A cleaning device

Abstract

The invention provides cleaning equipment. The cleaning equipment comprises a rack, a first connecting piece, a second connecting piece, a cleaning mechanism and a driving mechanism; the first connecting piece is fixedly connected to the rack; the second connecting piece is slidably mounted on the first connecting piece; the cleaning mechanism comprises a cleaning piece and is linked with the second connecting piece; the cleaning piece is provided with an inward contraction position relative to the rack, and the cleaning piece is provided with a lifting position and a falling position at the inward contraction position; at the lifting position, the cleaning piece is lifted away from the to-be-cleaned surface, and at the falling position, the cleaning piece is in contact with the to-be-cleaned surface; the driving mechanism is used for driving the cleaning piece to operate between a lifting position and a falling position in the process that the second connecting piece slides relative to the first connecting piece; the multiple falling positions are sequentially arranged in the height direction of the cleaning mechanism so that the cleaning piece can generate different deformation amounts under extrusion of the to-be-cleaned surface. The technical problems that the pressure of the cleaning piece to the ground is single, and different cleaning scene requirements cannot be met can be solved.

Description

(19) State Intellectual Property Office (12) Invention Patent Application (10) Application Publication Number (43) Application Publication Date (21) Application Number 202511616975.1 (22) Application Date 2025.11.06 (71) Applicant: Chase Innovation Technology (Suzhou) Co., Ltd. Address: Units 1, 2, and 3, Building 8, No. 1688, Songwei Road, Guoxiang Street, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province, 215000 Applicant: Chase Technology (Shenzhen) Co., Ltd. (72) Inventors: Yao Yonglian, Yang Yongzhan, Sun Zeguang, Lin Zecai (74) Patent Agency: Shanghai Hanzhi Law Firm, 31378 Patent Attorney: Wang Haisheng (51) Int.Cl. A47L 11 / 40 (2006.01) A47L 11 / 24 (2006.01) A47L 11 / 282 (2006.01) (54) Invention Title: A Cleaning Device (57) Abstract: This invention provides a cleaning device comprising: a frame, a first connecting member, a second connecting member, a cleaning mechanism, and a driving mechanism; the first connecting member is fixedly connected to the frame; the second connecting member is slidably installed on the first connecting member; the cleaning mechanism includes a cleaning component, which is linked with the second connecting member; the cleaning component has an inwardly recessed position relative to the frame, and in the inwardly recessed position, the cleaning component has a raised position and a lowered position; in the raised position, the cleaning component is lifted away from the surface to be cleaned, and in the lowered position, the cleaning component contacts the surface to be cleaned; the driving mechanism is used to drive the cleaning component to run between the raised position and the lowered position during the sliding process of the second connecting member relative to the first connecting member; multiple lowered positions are provided, and the multiple lowered positions are arranged sequentially along the height direction of the cleaning mechanism, so that the cleaning component generates different deformations under the pressure of the surface to be cleaned. This invention can improve the technical problem that the cleaning component has a single ground pressure and cannot adapt to the requirements of different cleaning scenarios. Claims 2 pages, Description 50 pages, Drawings 31 pages, CN 121570088 A 2026.02.27 CN 1 21 57 00 88 A 1. A cleaning device, characterized in that it comprises: a frame; a first connecting member fixedly connected to the frame; a second connecting member slidably mounted on the first connecting member; a cleaning mechanism including an elastically deformable cleaning component, the cleaning mechanism being mounted on the second connecting member and moving in conjunction with the second connecting member; the cleaning component having an inwardly retracted position relative to the frame, and in the inwardly retracted position, the cleaning component having a raised position and a lowered position; in the raised position, the cleaning component is lifted away from the surface to be cleaned, and in the lowered position, the cleaning component contacts the surface to be cleaned; a driving mechanism for driving the cleaning component to move between the raised position and the lowered position during the sliding of the second connecting member relative to the first connecting member;The cleaning device according to claim 1 has multiple drop positions arranged sequentially along the height direction of the cleaning mechanism, so that the cleaning component undergoes different deformations under the pressure of the surface to be cleaned. 2. The cleaning device according to claim 1, wherein the second connecting member has a lifting surface, and the lifting surface has multiple platform positions corresponding one-to-one with the drop positions; a supporting part is installed on the side of the cleaning mechanism away from the surface to be cleaned; when the second connecting member slides, the supporting part moves along the lifting surface and can selectively stop at any of the platform positions, thereby enabling the cleaning component to switch between multiple drop positions. 3. The cleaning device according to claim 2, wherein the lifting surface includes an inclined section and a flat section connected to each other, the flat section being connected to the end of the inclined section near the cleaning component and forming a first platform position; a step is formed at the connection between the inclined section and the flat section, the step forming a second platform position, and the second platform position is positioned above the first platform position. 4. The cleaning device according to claim 3, characterized in that, when the cleaning component needs to move from the lifting position to the falling position, the second connecting member slides along the first direction, and the supporting part moves downward along the lifting surface under the gravity of the cleaning mechanism and can sequentially stop at the second platform position and the first platform position. 5. The cleaning device according to claim 3, characterized in that, when the cleaning component needs to move from the falling position to the lifting position, the second connecting member slides along a second direction opposite to the first direction; the frame forms a stop for the cleaning mechanism in the second direction, causing the supporting part to move upward along the lifting surface under the action of the stop force, so as to move from the first platform position to the second platform position, and can continue to rise until the cleaning component is at the lifting position. 6. The cleaning device according to claim 2, wherein the second connecting member includes a recessed cavity facing the cleaning member, a thickened portion is provided on the inner wall of the recessed cavity, and the lifting surface is formed on the thickened portion; the bottom wall of the recessed cavity is provided with a first sliding groove, the cleaning mechanism is fixedly connected with an extension portion, the extension portion is slidably installed in the first sliding groove, and is connected to the abutment portion located inside the recessed cavity. 7. The cleaning device according to claim 6, wherein the length direction of the recessed cavity is consistent with the sliding direction of the second connecting member, the thickened portion is provided on both opposite side walls of the recessed cavity in the width direction, and the lifting surface is provided on each thickened portion; the extension portion is correspondingly installed with two abutment portions, each abutment portion cooperating with one lifting surface. 8. The cleaning device according to claim 6, wherein the abutment portion is rotatably connected to the extension portion.9. The cleaning device according to claim 6, wherein the thickened portion is provided with an inclined groove, the inclined groove comprising a first groove wall and a second groove wall connected to each other, the first groove wall forming the lifting surface, and the second groove wall being disposed above the first groove wall for limiting the movement trajectory of the abutment portion on the lifting surface. 10. The cleaning device according to claim 9, wherein the side wall of the cavity is provided with a hollow area, the hollow area being configured to laterally expose the mating area of ​​the abutment portion and the lifting surface in the width direction of the cavity. 11. The cleaning device according to claim 6, wherein the second connecting member is provided with a first stop portion and a second stop portion, the first stop portion being used to abut against the extension portion or the abutment portion to limit the extreme position of the lifting of the cleaning member; the second stop portion being used to abut against the extension portion or the abutment portion to limit the extreme position of the falling of the cleaning member. 12. The cleaning device according to claim 2, characterized in that the first connecting member is provided with a sliding cavity, the second connecting member is slidably installed in the sliding cavity, and the second connecting member is provided with a first protrusion structure on both sides of the width direction of the sliding cavity, the first protrusion structure abutting against the inner surface of the corresponding side wall of the sliding cavity. 13. The cleaning device according to claim 1, characterized in that the driving mechanism includes a first driving member and a first translation component; the input end of the first translation component is connected to the first driving member, and the output end of the first translation component is connected to the second connecting member; the first driving member drives the first translation component to drive the second connecting member to slide relative to the first connecting member, thereby driving the cleaning member to switch between the lifting position and the falling position. Claims 2 / 2 Page 3 CN 121570088 A Cleaning Device Technical Field

[0001] The present invention relates to the field of cleaning technology, and in particular to a cleaning device. Background Art

[0002] With the widespread application of intelligent cleaning devices in the home environment, users' expectations for their cleaning effect are increasing. Home floors present a complex environment with diverse types of dirt, ranging from surface dust and hair to deep-seated particles in carpets and even adhesive stains. The adhesion and cleaning difficulty vary depending on the type of dirt. Different types of dirt require different cleaning pressures: light dirt like dust and hair can be effectively removed with less pressure; while deep-seated dirt in carpets or adhesive stains require greater pressure to ensure cleaning effectiveness. Currently, most cleaning equipment on the market has a single pressure setting. Therefore, if the equipment is set to high pressure for heavy dirt situations, it may not be suitable for everyday light dirt situations.Cleaning will cause unnecessary power consumption of the drive motor, significantly shorten the equipment's battery life, and may accelerate the wear of the cleaning parts or even damage the hard floor surface; conversely, if a smaller downward pressure is set, although it is beneficial for energy saving and extending battery life, the cleaning effect is poor when facing heavy dirt, and it cannot meet the user's deep cleaning needs. Summary of the Invention

[0003] The present invention provides a cleaning device to improve the technical problem that the cleaning parts have a single pressure on the ground and cannot adapt to the requirements of different cleaning scenarios.

[0004] The present invention provides a cleaning device, which includes: a frame, a first connecting member, a second connecting member, a cleaning mechanism, and a driving mechanism; the first connecting member is fixedly connected to the frame; the second connecting member is slidably installed on the first connecting member; the cleaning mechanism includes an elastically deformable cleaning component, which is installed on the second connecting member and moves in conjunction with the second connecting member; the cleaning component has an inward position relative to the frame, and in the inward position, the cleaning component has a raised position and a lowering position; in the raised position, the cleaning component is lifted away from the surface to be cleaned, and in the lowering position, the cleaning component contacts the surface to be cleaned; the driving mechanism is used to drive the cleaning component to run between the raised position and the lowering position during the sliding process of the second connecting member relative to the first connecting member; wherein, multiple lowering positions are provided, and the multiple lowering positions are arranged sequentially along the height direction of the cleaning mechanism, so that the cleaning component produces different deformations under the pressure of the surface to be cleaned.

[0005] The beneficial effect of this setting: The present invention, by setting multiple lowering positions arranged sequentially along the height direction of the cleaning mechanism, enables the cleaning component to select different working heights according to the dirtiness of the ground. When the cleaning mechanism is at different heights, the amount of elastic deformation generated when the cleaning component contacts the surface to be cleaned varies, allowing the cleaning component to provide a variety of cleaning pressures. Specifically, when dealing with light dirt such as floor dust or hair, the cleaning mechanism can be positioned higher. At this position, the deformation of the cleaning component is smaller, resulting in lower cleaning pressure on the floor. This ensures cleaning effectiveness while reducing energy consumption, thus extending the cleaning equipment's runtime. Conversely, when dealing with deep dirt or sticky stains on carpets, the cleaning mechanism can be switched to a lower position. At this position, the deformation of the cleaning component increases, and the cleaning pressure on the floor also increases accordingly, ensuring a deep cleaning effect. Through this method, the cleaning equipment provided by this invention can improve the problem that a single cleaning pressure cannot meet the cleaning needs of multiple scenarios. It also avoids energy waste and component wear caused by excessive pressure in lightly soiled scenarios, while ensuring cleaning effectiveness in heavily soiled scenarios. Therefore, it can better achieve a balance between cleaning effectiveness, energy consumption, and equipment and floor protection. Instruction manual, page 1 / 50, CN 121570088 A

[0006] In one embodiment of the present invention, the second connecting member is provided with a lifting surface, and the lifting surface is provided with multiple positions corresponding to the falling position.One-to-one corresponding platform positions; a supporting part is installed on the side of the cleaning mechanism away from the surface to be cleaned; when the second connecting member slides, the supporting part moves along the lifting surface and can selectively stop at any platform position to realize the switching of the cleaning part between the falling positions.

[0007] The beneficial effect of this setting: In this embodiment, the cleaning pressure of the cleaning part on the ground is adjusted by the cooperation of the lifting surface and the supporting part. Specifically, when it is necessary to adjust the cleaning pressure, the drive mechanism will drive the second connecting member to slide relative to the first connecting member, drive the supporting part to move along the lifting surface, so that the supporting part transitions from the current platform position to the next target platform position and achieves stable stopping. During this process, the cleaning mechanism is always linked with the second connecting member, without the need to set its own lifting drive mechanism. The switching of different cleaning parts between different falling positions can be completed automatically and reliably by the sliding of the second connecting member, thereby realizing the adjustment of the cleaning pressure of the cleaning part on the ground.

[0008] In one embodiment of the present invention, the lifting surface includes an inclined section and a flat section connected to each other. The flat section is connected to the end of the inclined section near the cleaning component and forms a first platform position. A step is formed at the connection between the inclined section and the flat section, forming a second platform position, and the second platform position is located above the first platform position.

[0009] The beneficial effects of this configuration are: In this embodiment, by setting a step at the connection between the inclined section and the flat section, a second platform position at an intermediate height can be formed. This design structure is simple and does not require any additional parts. It can be achieved by making local modifications to the junction of the inclined and flat sections on the original structure. Therefore, it will not cause significant changes to the original production process and design structure, which is beneficial to the control of production costs.

[0010] In one embodiment of the present invention, when the cleaning component needs to move from the lifting position to the falling position, the second connecting member slides along the first direction, and the supporting part moves downward along the lifting surface under the gravity of the cleaning mechanism and can stop sequentially at the second platform position and the first platform position.

[0011] The beneficial effects of this configuration are as follows: In this embodiment, during the complete process of the cleaning component switching from the raised position to the lowered position, it is only necessary to control the second connecting member to slide continuously along the first direction, and the supporting part can automatically move down along the lifting surface under the action of gravity, and accurately position itself at the second platform position and the first platform position in sequence. This process relies entirely on the self-weight of the mechanical structure and the lifting surface with a specific contour to achieve position switching, without the need for additional lifting drive mechanism or human intervention. Therefore, the overall structure can be simplified, and the complexity of the lifting control of the cleaning mechanism can be reduced.

[0012] In one embodiment of the present invention, when the cleaning component needs to move from the lowered position to the raised position, the second connecting member slides along the second direction opposite to the first direction; the frame forms a stop for the cleaning mechanism in the second direction, so that the supporting part moves upward along the lifting surface under the action of the stop force, so as to move from the first platform position to the second platform position, and can continue to rise until the cleaning component is in the raised position.

[0013] The beneficial effects of this configuration are as follows: In this embodiment, during the entire lifting process of the cleaning component, only the second connecting member needs to be driven to slide along the second direction, without the need to set up a separate lifting drive device for the cleaning mechanism. Therefore, this solution can achieve the complex lifting function of the cleaning component through a simple mechanical cooperation between the supporting part and the lifting surface, thereby reducing the complexity of the mechanism and manufacturing cost. At the same time, since the frame can form a stop in the second direction for the cleaning mechanism, the output of the drive mechanism can be effectively converted into a lifting force in the height direction of the cleaning mechanism through the stop force, thereby achieving the lifting of the cleaning component.

[0014] In one embodiment of the present invention, the second connecting member includes a recessed cavity facing the cleaning component, a thickened part is provided on the inner wall of the cavity, and the lifting surface is formed on the thickened part; the bottom wall of the cavity is provided with a first sliding groove, the cleaning mechanism is fixedly connected to an extension part, the extension part is slidably installed in the first sliding groove, and connected to the supporting part located inside the cavity.

[0015] The beneficial effects of this configuration are as follows: by providing a thickened portion inside the cavity, not only can the local mechanical strength of the second connector in the main stress area be improved, but a stable and reliable forming foundation can also be provided for the lifting surface, which in turn helps to ensure the support strength of the lifting surface. At the same time, by integrating the lifting surface into the thickened portion inside the cavity, the internal space of the cavity can be fully utilized without occupying additional external installation space of the second connector, thereby improving the compactness of the structural design.

[0016] In one embodiment of the present invention, the length direction of the cavity is consistent with the sliding direction of the second connector, and a thickened portion is provided on both opposite sidewalls of the cavity in the width direction. A lifting surface is provided on each thickened portion; two abutment portions are correspondingly installed on the extension portion, and each abutment portion cooperates with a lifting surface.

[0017] The beneficial effects of this configuration: By providing thickened portions and lifting surfaces on both opposite sidewalls in the width direction of the cavity, and cooperating with two corresponding abutment portions, the lifting force on the cleaning mechanism during the lifting process can be evenly distributed on both sides of the cavity width direction. This structure can improve the uneven wear, jamming, or unstable movement that may be caused by unilateral force, and ensure the smooth operation of the cleaning mechanism during lifting.

[0018] In one embodiment of the present invention, the abutment portion is rotatably connected to the extension portion so as to form a rolling contact with the lifting surface when moving along the lifting surface.

[0019] The beneficial effects of this configuration: By forming a rolling contact between the abutment portion and the lifting surface, the frictional resistance generated when the two move relative to each other can be significantly reduced. This improvement effectively reduces the operating load of the drive mechanism, improves the mechanical efficiency of the entire transmission system, and helps to reduce equipment energy consumption, thereby extending the runtime of the cleaning equipment.

[0020] In one embodiment of the present invention, the thickened portion is provided with an inclined groove, the inclined groove including a first groove wall and a second groove wall connected to each other.The first groove wall forms a lifting surface, and the second groove wall is located above the first groove wall to restrict the movement trajectory of the supporting part on the lifting surface.

[0021] The beneficial effect of this configuration is that, in this embodiment, the restricted movement channel formed by the first groove wall and the second groove wall can effectively restrict the abnormal jumping of the supporting part in the height direction during the movement, ensuring that it always moves stably along the preset trajectory, thereby significantly improving the positioning accuracy and repeatability of the lifting movement of the cleaning mechanism. At the same time, the second groove wall, as a physical barrier above, can effectively prevent the supporting part from accidentally detaching from the lifting surface when the cleaning equipment moves or is vibrated, further enhancing the operational reliability of the cleaning equipment in complex usage environments.

[0022] In one embodiment of the present invention, a hollow area is provided on the side wall of the cavity, and the hollow area is configured to laterally expose the mating area between the supporting part and the lifting surface in the width direction of the cavity.

[0023] The beneficial effect of this configuration is that, by providing a hollow area on the side wall of the cavity, the mating area between the supporting part and the lifting surface is laterally exposed in the width direction, which brings important convenience to the debugging and maintenance of the equipment. Specifically, the hollowed-out area can serve as a direct observation window during the debugging process, allowing operators to intuitively monitor the actual operating status of the supporting part on the lifting surface, including its movement trajectory, contact status, and positioning accuracy. This visual debugging mechanism not only improves debugging efficiency but also quickly identifies and eliminates potential problems such as assembly deviations and motion interference, ensuring that the lifting mechanism reaches its optimal working state.

[0024] In one embodiment of the present invention, the second connecting member is provided with a first stop and a second stop. The first stop is used to abut against the extension or supporting part to limit the extreme position of the lifting of the cleaning part; the second stop is used to abut against the extension or supporting part to limit the extreme position of the falling of the cleaning part.

[0025] The beneficial effects of this configuration are: by setting the first stop and the second stop, the highest and lowest working positions of the cleaning part can be limited respectively, thereby ensuring that the cleaning mechanism always operates within the designed safe range, reducing overtravel accidents caused by program control errors or sensor failures, and thus ensuring the safety of equipment operation.

[0026] In one embodiment of the present invention, the first connector is provided with a sliding cavity, and the second connector is slidably installed in the sliding cavity. The second connector is provided with a first protrusion structure on both sides of the sliding cavity in the width direction. The first protrusion structure abuts against the inner surface of the corresponding side wall of the sliding cavity.

[0027] The beneficial effect of this arrangement is that by providing the first protrusion structure between the second connector and the sliding cavity, the large-area contact that may have occurred between the outer wall of the second connector and the inner wall of the sliding cavity can be transformed into a local surface contact (including multiple spaced local surface contacts or point contacts), thereby optimizing the stress distribution and friction at the contact interface.State. Under the same load conditions, this structure can reduce the frictional resistance generated during the sliding of the second connector, thereby reducing the driving load of the drive mechanism and reducing the operating energy consumption of the drive mechanism. At the same time, the reduction of frictional resistance can also suppress the vibration and noise problems caused by large friction, and improve the quiet performance and user experience of the cleaning equipment. In addition, the first protrusion structure, through reasonable layout, can reduce friction and enhance the running stability of the second connector relative to the sliding cavity, which is conducive to ensuring the smooth operation of the cleaning part between the inward and outward positions and reducing the phenomenon of sliding jamming.

[0028] In one embodiment of the present invention, the drive mechanism includes a first drive member and a first translation component; the input end of the first translation component is connected to the first drive member, and the output end of the first translation component is connected to the second connector; the first drive member drives the first translation component to drive the second connector to slide relative to the first connector, thereby driving the cleaning part to switch between the lifting position and the falling position.

[0029] The beneficial effects of this configuration are as follows: When the first driving member is running, the power of the first driving member can be transmitted to the second connecting member through the first translation component, driving the second connecting member to slide relative to the first connecting member, thereby enabling the cleaning component mounted on the second connecting member to switch between the lifting and lowering positions. This driving and transmission method can achieve precise control of the operating position of the cleaning component, ensuring that the cleaning component can switch stably and reliably between the lifting and lowering positions. Brief Description of the Drawings

[0030] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application. Obviously, the drawings described below are merely some embodiments of this application, and those skilled in the art can obtain other drawings based on these drawings without creative effort.

[0031] In the accompanying drawings:

[0032] FIG1 is a schematic diagram of the overall structure of a cleaning device provided in an embodiment of the present invention;

[0033] FIG2 is a schematic diagram of the structure of a cleaning device provided in an embodiment of the present invention, wherein the frame is provided with a receiving cavity;

[0034] FIG3 is a schematic diagram of the embodiment shown in FIG1 from another angle;

[0035] FIG4 is a partial exploded view of the cleaning device provided in an embodiment of the present invention;

[0036] FIG5 is a schematic diagram of the installation structure of the first connector, the second connector, the cleaning mechanism and the driving mechanism in an embodiment of the present invention;

[0037] FIG6 is a schematic diagram of the installation structure of the first connector, the second connector and the cleaning mechanism in an embodiment of the present invention;

[0038] FIG7 is an exploded view of the parts in the embodiment shown in FIG6;

[0039] FIG8 is a schematic diagram of the structure of the cleaning mechanism provided with a connecting component in an embodiment of the present invention;

[0040] FIG9 is a partial enlarged view of area A in FIG8;

[0041] Figure 10 is a bottom view of the cleaning mechanism in the retracted position in an embodiment of the present invention;

[0042] Figure 11 is a bottom view of the cleaning mechanism in the first outward expansion position in an embodiment of the present invention;

[0043] Figure 12 is a bottom view of the cleaning mechanism in the second outward expansion position in an embodiment of the present invention;

[0044] Figure 13 is a schematic diagram of the driving mechanism being a lead screw and lead screw nut structure in an embodiment of the present invention; Specification 4 / 50 pages 7 CN 121570088 A

[0045] Figure 14 is a schematic diagram of the overall structure of the second connecting member in an embodiment of the present invention;

[0046] Figure 15 is a schematic diagram of the installation structure between the lead screw nut, elastic element and second connecting member in an embodiment of the present invention;

[0047] Figure 16 is a partial exploded view of the parts between the cover plate and the first connecting member, the second connecting member and the cleaning mechanism in an embodiment of the present invention;

[0048] Figure 17 is a partial enlarged view of area C in Figure 13 in an embodiment of the present invention;

[0049] Figure 18 is a schematic diagram of the falling position of the cleaning member in the retracted position in an embodiment of the present invention;

[0050] Figure 19 is a schematic diagram of the raised position of the cleaning component in the retracted position in an embodiment of the present invention;

[0051] Figure 20 is a bottom view of the cleaning mechanism in the third outward expansion position in an embodiment of the present invention;

[0052] Figure 21 is a schematic diagram of the setting position of the gear adjustment mechanism in an embodiment of the present invention;

[0053] Figure 22 is a partial enlarged view of area F in Figure 21;

[0054] Figure 23 is a partial enlarged view of area E in Figure 21;

[0055] Figure 24 is a top view of the installation structure between the driving mechanism and the first connecting member, the second connecting member and the cleaning mechanism in an embodiment of the present invention;

[0056] Figure 25 is a schematic diagram of the structure of the cover plate covering the sliding cavity in an embodiment of the present invention;

[0057] Figure 26 is a schematic diagram of the installation structure between the elastic member and the nut and the second connecting member in an embodiment of the present invention;

[0058] Figure 27 is a partial enlarged view of area G in Figure 26;

[0059] Figure 28 is a schematic diagram of the structure of the second connecting member provided with the first sliding groove in an embodiment of the present invention;

[0060] Figure 29 is a top view of the embodiment shown in Figure 25;

[0061] Figure 30 is a cross-sectional view along the H-H direction in Figure 29;

[0062] Figure 31 is a schematic diagram of the overall structure of the nut in an embodiment of the present invention;

[0063] Figure 32 is a schematic diagram of the structure of the mounting groove without the elastic element in an embodiment of the present invention;

[0064] Figure 33 is a schematic diagram of the structure of the second guide structure in an embodiment of the present invention;

[0065] Figure 34 is an exploded view of the first connector and the second connector in an embodiment of the present invention;

[0066] Figure 35 is a schematic diagram of the first protrusion structure provided on the second connector in an embodiment of the present invention;

[0067] Figure 36 is a schematic diagram of the installation structure of the first protrusion structure on the first side wall in an embodiment of the present invention;

[0068] Figure 37 is a partial enlarged view of region I in Figure 36;

[0069] Figure 38 is a schematic diagram of the structure of the cleaning component when the first connecting member is removed in the raised position in an embodiment of the present invention;

[0070] Figure 39 is a partial enlarged view of region J in Figure 38;

[0071] Figure 40 is a schematic diagram of the structure of the cleaning component when the first connecting member is removed in the second falling position in an embodiment of the present invention;

[0072] Figure 41 is a partial enlarged view of region K in Figure 40;

[0073] Figure 42 is a schematic diagram of the structure of the cleaning component when the first connecting member is removed in the first falling position in an embodiment of the present invention;

[0074] Figure 43 is a partial enlarged view of region L in Figure 42;

[0075] Figure 44 is a partial enlarged view of region B in Figure 10;

[0076] Figure 45 is a schematic diagram of the structure of the supporting part when it is in the first platform position at another angle in an embodiment of the present invention;

[0077] Figure 46 is a partial enlarged view of region M in Figure 45;

[0078] Figure 47 is a partial structural schematic diagram of the cleaning component in the first outward expansion position in an embodiment of the present invention;

[0079] Figure 48 is a partial structural schematic diagram of the cleaning component in the second outward expansion position in an embodiment of the present invention; Specification 5 / 50 pages 8 CN 121570088 A

[0080] Figure 49 is a partial structural schematic diagram of the cleaning component in the third outward expansion position in an embodiment of the present invention.

[0081] The reference numerals in the drawings are as follows:

[0082] 100, cleaning equipment; 10, frame; 101, receiving cavity; 1011, inner sidewall; 102, tangent; 11, first connecting member; 111, sliding cavity; 1111, opening; 1112, second sliding groove; 1113, second sidewall; 1114, second bottom wall; 112, cover plate; 113, mounting platform; 12, second connecting member; 121, first end; 122, second end; 123, mounting groove; 1231, first end wall; 1232, second end wall; 125, lifting surface; 1251, first platform position; 1252, second platform position; 1253, inclined section; 1254, flat section; 1255. Stepped section; 1256, Transition surface; 126, Cavity; 1261, First sidewall; 1262, First bottom wall; 1263, Thickened section; 1264, First groove; 1265, Hollowed-out area; 1271, First stop; 1272, Second stop; 128, Inclined groove; 1281, First groove wall; 1282, Second groove wall; 13, Cleaning mechanism; 131, Cleaning component; 132, Supporting part; 133, Extension; 1331, Clearance groove; 1332, Extending shaft; 134, Mounting base; 1341, End wall; 135, Connecting assembly; 136, Second driving component; 14, Driving mechanism; 141, First driving componentComponents; 1411, Rotary axis; 142, First translation assembly; 1421, Lead screw; 1422, Lead nut; 14221, Lead hole; 1423, Worm gear; 1424, Worm; 15, Gear adjustment mechanism; 151, Position detection assembly; 1511, Position detection element; 1512, Stop; 15121, Light-shielding part; 161, Elastic element; 162, First guide structure; 1621, Guide groove; 1622, Guide block; 163, Second guide structure; 1631, First slot; 1632, Second slot; 1633, First protrusion; 1634, Second protrusion; 171, First protrusion structure; 1711, First rolling element; 1712, First mounting shaft; 17121, Ribbed structure; 1713, First groove; 1714, Mounting hole; 1715, First protruding unit; 1716, Second protruding unit; 172, Second protruding structure; 1721, Second rolling element; 1722, Second mounting shaft; 173, Second groove; 20, Side brush; 30, Roller brush. Detailed Embodiments

[0083] The following specific examples illustrate the embodiments of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments. Various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0084] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention. The drawings only show components related to the present invention and are not drawn according to the actual number, shape, and size of the components. In actual implementation, the type, quantity, and proportion of each component can be arbitrarily changed, and the component layout may also be more complex.

[0085] In the following description, numerous details are explored to provide a more thorough explanation of embodiments of the invention. However, it will be apparent to those skilled in the art that embodiments of the invention can be practiced without these specific details. In other embodiments, well-known structures and devices are shown in block diagram form rather than in detail to avoid obscuring embodiments of the invention.

[0086] Referring to Figures 1 to 49, the present invention provides a cleaning device 100. This cleaning device 100 can switch the second connecting member 12 between multiple preset positions through the cooperation of the drive mechanism 14 and the gear adjustment mechanism 15, thereby enabling selective adjustment of the cleaning member 131 between an inward position and multiple different outward expansion positions. This structure can improve the problem that traditional cleaning devices 100 are difficult to fit different furniture layouts and edge shapes due to the single outward expansion mode of the cleaning member 131, making cleaning easier.Component 131 can flexibly select different outward expansion positions according to the needs of complex scenarios such as the bottom of the sofa, the edge of concave furniture, or the corner gaps of the wall, thereby reducing cleaning blind spots during the cleaning process, improving adaptability to different home environments, and improving the overall cleaning effect of the cleaning device 100. Instruction manual 6 / 50 pages 9 CN 121570088 A

[0087] The cleaning device 100 provided in the embodiments of the present invention can be a self-moving cleaning robot or a handheld floor scrubber. The self-moving cleaning robot can be a mopping robot or a sweeping and mopping robot, etc. In the following embodiments, the cleaning device 100 is a self-moving cleaning robot, and some of its components are described as an example.

[0088] Please refer to Figure 1. The cleaning device 100 has a frame 10, and the interior of the frame 10 can accommodate various components of the cleaning device 100. The shape of the frame 10 can be arbitrary, such as cylindrical, elliptical, or D-shaped, etc. The cleaning device 100 also includes a walking system conventionally provided on existing cleaning devices 100, used to drive the frame 10 to move independently, so as to achieve a self-moving walking function on the surface to be cleaned. The walking system includes at least a driver and drive wheels, and the drive wheels rotate under the action of the driver. There are generally two drive wheels, and the two drive wheels are symmetrically arranged at the bottom of the frame 10. The specific structure of the walking system and the connection structure between the walking system and the frame 10 can be referred to the relevant structural description in the existing cleaning device 100, and will not be repeated here.

[0089] In order to perform the cleaning function of the cleaning device 100, the cleaning device 100 includes at least a cleaning mechanism 13. The cleaning mechanism 13 is detachably connected to the frame 10, and the detachable connection method can be a snap-fit ​​detachable connection, a bolt detachable connection, etc. The cleaning component 131 on the cleaning mechanism 13 can be configured for dry mopping or wet mopping. Optionally, in this embodiment, the cleaning component 131 on the cleaning mechanism 13 is configured for wet mopping.

[0090] Referring to Figures 2 and 3, optionally, in one embodiment, the cleaning device 100 may further include a side brush 20 and a roller brush 30, which are disposed at the bottom of the frame 10. Along the traveling direction of the frame 10, both the side brush 20 and the roller brush 30 are located in front of the cleaning component 131. The side brush 20 may be disposed at the edge of the frame 10, and the side brush 20 can rotate via a rotating mechanism, which may be a combination of a motor and a reducer, etc. When the side brush 20 rotates, it can gather debris at the edge of the frame 10 towards the inside of the frame 10, thereby increasing the cleaning range of the cleaning device 100.

[0091] The side brush 20 may be a rubber strip or a bristle brush, etc., as long as it can clean the ground; there are no restrictions here. The roller brush 30 is rotatably disposed in the roller brush cavity at the bottom of the frame 10. During the rolling process, the roller brush 30 can remove debris from the ground.The number of the cleaning roller brush 30 can be set according to specific requirements, and is not limited in this embodiment. Along the traveling direction of the frame 10, the side brush 20 and roller brush 30 are positioned in front of the cleaning component 131. This facilitates the cleaning operation of the cleaning device 100, which involves dry sweeping followed by wet mopping, and also facilitates the layout of the internal space of the frame 10.

[0092] In addition, the cleaning device 100 may also include a sensing system and a control system. The sensing system and the control system are electrically connected. The sensing system includes an LDS (Light Detection and Ranging) located above the frame 10, a buffer and vision sensor located at the front of the frame 10, and an edge sensor located on the front side wall of the frame 10. The LDS, buffer, and edge sensor can all measure or sense distance to obtain the distance between the edge of the frame 10 and obstacles. The control system controls the cleaning device 100 to perform corresponding actions based on this distance. For example, it controls the cleaning device 100 to perform obstacle avoidance, edge cleaning, and return to the base station.

[0093] Please refer to Figures 4 and 5. In this embodiment, the cleaning device 100 includes: a frame 10, a first connector 11, a second connector 12, a cleaning mechanism 13, a driving mechanism 14, and a gear adjustment mechanism 15.

[0094] The first connector 11 is fixedly installed on the frame 10. The fixed connection method can be to fix it to the frame 10 with fasteners such as bolts, or it can be to fix it to the frame 10 with a snap-fit ​​structure, etc.

[0095] The second connector 12 is slidably installed on the first connector 11 and has multiple preset positions distributed along the sliding direction. There can be various sliding installation methods. For example, one of the first connector 11 and the second connector 12 can be provided with a sliding groove, and the other can be provided with a slider. The sliding connection between the second connector 12 and the first connector 11 is achieved by the cooperation of the sliding groove and the slider. Alternatively, one of the first connecting member 11 and the second connecting member 12 can be provided with a guide rod, and the other with a guide sleeve. The guide rod and the guide sleeve cooperate with each other to achieve a sliding connection between the second connecting member 12 and the first connecting member 11. (See Figure 4 for specification 7 / 50, page 10, CN 121570088 A)

[0096] The cleaning mechanism 13 includes a mounting base 134 and a cleaning component 131, which is mounted on the mounting base 134. The mounting base 134 is connected to the second connecting member 12 and can move in conjunction with the second connecting member 12 to drive the cleaning component 131 to have an inward position and multiple outward positions relative to the frame 10. The multiple outward positions correspond one-to-one with multiple preset positions of the second connecting member 12. The specific number of outward positions can be configured according to cleaning needs, including but not limited to two, three, or more, as long as the cleaning component 131 can have a multi-level adjustable cleaning range relative to the frame 10. (Note: The last sentence appears to be a separate, unrelated statement.)Yes, in this embodiment, the retracted position can correspond to one of the preset positions, or it can be set to another specific position independent of all preset positions. Of course, provided that the installation requirements of the cleaning component 131 are met, the cleaning mechanism 13 may not be provided with a mounting base 134, and the cleaning component 131 can be directly connected to the second connecting component 12.

[0097] The cleaning component 131 is a mop assembly, which can be a tracked mop assembly, a roller mop assembly, etc. For example, in this embodiment, the cleaning component 131 adopts a roller mop assembly.

[0098] In addition, it should be noted that, as shown in FIG10, when the cleaning component 131 is in the retracted position, the cleaning component 131 is retracted within the internal space of the frame 10, that is, the edge of the cleaning component 131 is located inside the edge of the frame 10. As shown in FIG11 and FIG12, when the cleaning component 131 is in the outward expansion position, at least a portion of the edge of the cleaning component 131 extends to the outside of the edge of the frame 10, or is flush with the edge of the frame 10.

[0099] In this embodiment, the cleaning mechanism 13 is mounted on the second connecting member 12 and moves in conjunction with the second connecting member 12. Specifically, when the second connecting member 12 slides along the first connecting member 11, the mounting base 134 can move synchronously with the second connecting member 12 to drive the cleaning member 131 to move between the inward and outward positions relative to the frame 10.

[0100] Referring to Figures 5 and 10, the driving mechanism 14 is used to drive the second connecting member 12 to slide horizontally relative to the first connecting member 11, so as to drive the cleaning member 131 to move to the inward position or any outward position through the second connecting member 12. The horizontal direction here can refer to the width direction of the frame 10, which is perpendicular or approximately perpendicular to the travel direction of the cleaning equipment 100. The driving mechanism 14 can be any mechanism capable of driving the second connecting member 12 to slide horizontally relative to the first connecting member 11, such as a combination of a motor and a lead screw and nut, or a combination of a motor and a gear rack. This embodiment does not limit this.

[0101] Referring to Figure 5, the gear adjustment mechanism 15 is used to control the operation of the drive mechanism 14, so that the second connecting member 12 can selectively stop at any preset position, thereby causing the cleaning member 131 to stop at the corresponding outward expansion position or inward retraction position. The specific structure of the gear adjustment mechanism 15 is not limited. In one embodiment, the gear adjustment mechanism 15 may include a position detection unit and a controller. The position detection unit may be any electrical device that can be used to detect the real-time movement position of the second connecting member 12, such as a photoelectric switch, an optocoupler sensor, or a limit switch. The controller is signal-connected to the position detection unit and the drive mechanism 14. The controller can receive the feedback electrical signal from the position detection unit and control the start and stop of the drive mechanism 14 according to the feedback electrical signal, so that the second connecting member 12 can be positioned at different preset positions.

[0102] In another embodiment, the gear adjustment mechanism 15 may further include a controller and an encoder electrically connected to the controller. The encoder can detect the rotation angle or displacement of the output end of the drive mechanism 14. The controller can indirectly determine the operating position of the second connector 12 based on the detection signal of the encoder, and thus the second connector 12 can be positioned at different preset positions by controlling the operation of the drive mechanism 14.

[0103] It should be noted that the above embodiments can be implemented individually or combined according to actual needs. Any structure or control scheme that can achieve the function of selectively stopping the second connector 12 at a preset position is within the protection scope of this invention.

[0104] In this embodiment, the cleaning device 100 can control the operation of the drive mechanism 14 through the gear adjustment mechanism 15 according to the needs of different cleaning scenarios, so that the second connector 12 can selectively move and be positioned between multiple preset positions. When the cleaning component 131 needs to clean narrow areas such as walls and corners, it can select a matching outward expansion position according to the edge shape. This allows the cleaning component 131 to move from the retracted position to the corresponding outward expansion position, thereby extending at least a portion of the edge of the cleaning component 131 to the outside of the edge of the frame 10, achieving effective cleaning of corner areas of different depths. When the cleaning component 131 performs routine cleaning tasks in an open area, it can be controlled to return to the retracted position, so that the entire edge of the cleaning component 131 is located inside the edge of the frame 10, avoiding interference with furniture or other obstacles.

[0105] Therefore, in this embodiment, the cleaning device 100 can achieve the switching of the second connecting component 12 between multiple preset positions through the cooperation of the drive mechanism 14 and the gear adjustment mechanism 15, thereby achieving selective adjustment of the cleaning component 131 between the retracted position and multiple different outward expansion positions. This structure can improve the problem that traditional cleaning equipment 100 is difficult to fit different furniture layouts and edge shapes due to the single outward expansion mode of the cleaning component 131. It allows the cleaning component 131 to flexibly select different outward expansion positions according to the needs of complex scenarios such as the bottom of sofas, the edges of concave furniture, or the gaps in wall corners. This can reduce cleaning blind spots during the cleaning process, improve adaptability to different home environments, and improve the overall cleaning effect of the cleaning equipment 100.

[0106] Please refer to Figures 11 and 12. In one embodiment of the present invention, the outward expansion position includes at least a first outward expansion position and a second outward expansion position. In the first outward expansion position, as shown in Figure 11, the edge of the cleaning component 131 is flush with the edge of the frame 10. The edge of the cleaning component 131 being flush with the edge of the frame 10 specifically means that: in the projection view along the height direction of the frame 10, a tangent line 102 is drawn on the side of the body 10 near the edge of the cleaning component in the width direction. The tangent line 102 is flush with the edge of the cleaning component 131 near the tangent line 102.The tangent 102 coincides with the edge of the cleaning component 131 within the allowable installation error range.

[0107] It should be noted that, in one embodiment, when the edge of the cleaning component 131 is flush with the edge of the frame 10, the mounting base 134 for mounting the cleaning component 131 may partially extend to the outside of the edge of the frame 10, as shown in FIG11. Of course, in other embodiments, when the edge of the cleaning component 131 is flush with the edge of the frame 10, the mounting base 134 for mounting the cleaning component 131 may also be flush with the edge of the frame 10.

[0108] In the second outward extension position, as shown in FIG12, the edge of the cleaning component 131 at least partially extends to the outside of the edge of the frame 10. Specifically, one side of the edge of the cleaning component 131 extends at least partially along the width direction of the frame 10 to the side of the tangent 102 away from the edge of the frame 10, and forms a distance L1. It should be noted that, in the retracted position, in the projection view along the height direction of the rack 10, the overall outline of the cleaning component 131 is located inside the outline of the rack 10.

[0109] In this embodiment, the cleaning component 131 has three working states: retracted position, first outward expansion position, and second outward expansion position. When in the retracted position, the entire edge of the cleaning component 131 is located inside the edge of the rack 10. At this time, the cleaning component 131 is mainly suitable for regular cleaning of open areas, but cannot reach edge areas such as walls and corners, as well as irregular or narrow angle areas. When switched to the first outward expansion position, the edge of the cleaning component 131 is flush with the edge of the rack 10, allowing it to fit seamlessly against vertical interfaces such as walls and baseboards, achieving basic coverage of edge areas. When further switched to the second outward expansion position, at least part of the edge of the cleaning component 131 extends to the outside of the edge of the rack 10, thus getting closer to complex areas such as corners and irregular edges, thereby improving the cleaning effect on irregular or narrow angle areas.

[0110] Please refer to Figure 13. In one embodiment of the present invention, the driving mechanism 14 includes a first driving member 141 and a first translation component 142. The first driving member 141 is mounted on the first connecting member 11, and the mounting method includes, but is not limited to, fasteners such as bolts for fixed connection. The first driving member 141 being mounted on the first connecting member 11 specifically means that the fixed end of the first driving member 141 is mounted on the first connecting member 11. The first driving member 141 has a rotating output end that rotates relative to the fixed end. The first driving member 141 is a drive motor, and the rotating output end is the output shaft of the drive motor. The first translation component 142 includes a power input end and a power output end. The power input end is connected to the rotating output end, and the power output end is connected to the second connecting member 12 to drive the second connecting member 12 to move between multiple preset positions.

[0111] The structure of the first translation component 142 can be selected in various ways. For example, in one embodiment, the first translation component 142 is described on page 9 / 50 of the specification.Component 142 (121570088 A) can adopt a lead screw and nut structure. Its power input end is a lead screw, which is rotatably connected to the first connecting member 11. The lead screw and the rotary output end are coaxially connected via a coupling. The power output end is a nut, which forms a transmission pair with the second connecting member 12 through a threaded engagement. When the drive motor operates, the lead screw rotates, driving the nut to move horizontally. The nut then drives the second connecting member 12 to slide horizontally relative to the first connecting member 11. In another embodiment, the first translation component 142 is a gear and rack mechanism. Its power input end is a gear fixedly connected to the rotary output end, and its power output end is a rack fixedly installed with the second connecting member 12. The gear and rack maintain a meshing state, and the rotation of the gear drives the rack and the second connecting member 12 to move horizontally in the sliding direction.

[0112] The gear adjustment mechanism 15 includes an encoder and a controller. The encoder is electrically connected to the first drive member 141. The controller can control the operation of the first drive member 141 according to the electrical signal fed back by the encoder, so as to control the sliding distance of the second connecting member 12, so that the second connecting member 12 can be selectively stopped at any preset position.

[0113] Specifically, the encoder maintains an electrical signal connection with the first drive member 141 (drive motor), and can detect and record the rotation parameters of the drive motor (such as rotation angle, number of revolutions or angular displacement) in real time. Since the rotational motion of the drive motor is converted into the linear displacement of the second connecting member 12 through the first translation component 142, there is a definite linear conversion relationship between the rotation parameters of the drive motor and the sliding distance of the second connecting member 12. The controller has pre-stored the rotation parameter thresholds of the drive motor corresponding to each preset position of the second connecting member 12 (for example, the number of pulses or angle values ​​corresponding to the first expansion position and the second expansion position, respectively). The controller continuously receives real-time electrical signals from the encoder and compares them with multiple preset parameter thresholds to determine whether the second connector 12 has reached the target preset position. When the controller identifies that the second connector 12 has moved to the target preset position through calculation, it immediately issues a braking or stopping command to the first drive component 141 to stop its operation in time. Through this closed-loop control mechanism, the second connector 12 can be selectively stopped at any preset position, thereby keeping the cleaning component 131 stably in the corresponding outward or inward position.

[0114] It should be noted that the controller controlling the operation of the drive motor according to the encoder is a conventional control method in the prior art, and will not be described in detail in this embodiment.

[0115] By setting the encoder to monitor the rotation parameters of the drive motor in real time, the controller can accurately control the operation of the first drive component 141 according to the electrical signals fed back by the encoder, thereby achieving precise adjustment of the sliding distance of the second connector 12, so that it can be selectively stopped at any preset position. This control method not only ensures that the cleaning component 131 is in the outward or inward position, but also ensures that the second connector 12 can be selectively stopped at any preset position.The positioning accuracy ensures the stability of the cleaning effect under different cleaning conditions. Meanwhile, this non-contact detection mechanism effectively avoids the wear and jamming problems common in mechanical positioning mechanisms, significantly improving the overall service life and environmental adaptability of the motion mechanism, especially suitable for operation scenarios requiring frequent adjustments to the cleaning range.

[0116] Although the structure of the first translation component 142 can be varied, optionally, as shown in Figure 13, in one embodiment of the present invention, the first translation component 142 includes a lead screw 1421 and a lead screw nut 1422. The lead screw 1421 is rotatably mounted on the first connecting member 11 via bearing seats at both ends, and the length direction of the lead screw 1421 is consistent with the sliding direction of the second connecting member 12. Of course, in other embodiments, the lead screw 1421 can also be rotatably mounted on the first connecting member 11 via a method other than bearing seats, such as shaft hole fitting. One end of the lead screw 1421 can be directly connected to the rotary output end, or it can be indirectly connected to the rotary output end through other transmission components. The nut 1422 is threadedly engaged with the lead screw 1421 and connected to the second connecting member 12. The nut 1422 can be fixed to the second connecting member 12 by clamping, fixed to the second connecting member 12 by bolts, or elastically abutted to the second connecting member 12 by an elastic element, as long as it can drive the second connecting member 12 to slide during the operation of the nut 1422.

[0117] When the cleaning equipment 100 needs to switch between different outward expansion positions and inward contraction positions, the first driving member 141 runs and drives the lead screw 1421 to rotate. The nut 1422 moves horizontally under the drive of the lead screw 1421, thereby pushing the second connecting member 12 to slide relative to the first connecting member 11, so that the cleaning member 131 can be accurately moved to the target position, realizing flexible switching between multiple outward expansion positions and inward contraction positions.

[0118] In this embodiment, the first translation component 142 adopts a lead screw and nut transmission structure. On the one hand, the lead screw 1421 transmission has excellent repeatability and positioning accuracy, and can effectively avoid the elastic deformation or slippage that is easy to occur in traditional belt drives during forward and reverse operation. At the same time, it can also overcome the shortcomings of large backlash in gear and rack transmission, thereby ensuring that the cleaning component 131 can achieve accurate and stable positioning control when switching between different outward expansion positions.

[0119] Please refer to Figures 14 and 15. In one embodiment of the present invention, along the sliding direction of the second connector 12, the second connector 12 has a first end 121 and a second end 122 that are arranged opposite to each other. The second connector 12 includes a mounting groove 123, which is located between the first end 121 and the second end 122. The nut 1422 is accommodated in the mounting groove 123. The nut 1422 can be fixed by snap-fit.The nut 1422 can be fixed in the mounting groove 123 by fasteners such as bolts, or it can be elastically engaged in the mounting groove 123 by elastic elements. Furthermore, the specific shape of the mounting groove 123 is not limited; for example, it can be a rectangular groove, a U-shaped groove, etc., as long as it can accommodate the nut 1422.

[0120] In this embodiment, by setting the mounting groove 123 between the first end 121 and the second end 122 of the second connector 12, and accommodating the nut 1422 in the mounting groove 123, this structural design allows the nut 1422 to be stably installed with the second connector 12 without the need for additional connecting bosses or extension structures at both ends of the second connector 12 in the length direction. This layout saves axial space occupied by the second connector 12 in the length direction, thereby providing a larger effective sliding stroke for the second connector 12 within the same overall size. Finally, when the cleaning component 131 is switched to the outward expansion position, a larger outward expansion dimension can be achieved, which is beneficial to increasing the maximum distance that the cleaning component 131 extends to the outside of the edge of the frame 10 in the outward expansion position.

[0121] Referring to Figures 6 and 7, in one embodiment of the present invention, the first connecting component 11 is provided with a sliding cavity 111, and the extension direction of the sliding cavity 111 is consistent with the sliding direction of the second connecting component 12. The second connecting component 12 is slidably installed in the sliding cavity 111. Specifically, along the height direction of the frame 10, the sliding cavity 111 has an opening 1111 on the side opposite to the cleaning component 131, and the second connecting component 12 is installed into the sliding cavity 111 from the opening 1111 and slides along the sliding cavity 111. Along the width direction of the sliding cavity 111, the two outer sidewalls of the second connecting component 12 are in sliding contact with the two inner sidewalls of the sliding cavity 111 respectively. The width direction of the sliding cavity 111 is perpendicular to the sliding direction of the second connecting component 12. The sliding contact method is not limited. For example, in one embodiment, the outer wall of the second connector 12 can be in direct contact with the inner wall of the sliding cavity 111 to form a sliding contact when the second connector 12 slides. In another embodiment, the outer wall of the second connector 12 or the inner wall of the sliding cavity 111 can be provided with a protruding structure, which includes, but is not limited to, rollers, ridges, or dots. When the second connector 12 moves in the sliding cavity 111, the point contact, line contact, or partial surface contact formed between these protruding structures and the corresponding wall surface can ensure the sliding accuracy of the second connector 12, reduce frictional resistance, and thus improve the smoothness of sliding and the stability of operation.

[0122] Specifically, please refer to Figures 6 and 7. The mounting base 134 of the cleaning mechanism 13 is provided with a connecting component 135, the bottom of the sliding cavity 111 is provided with a second sliding groove 1112, and the second connector 12 is provided with a first sliding groove 1264. One end of the connecting component 135 is connected to the mounting base 134 of the cleaning mechanism 13.The mounting base 134 is fixedly connected, and the other end passes through the second slide groove 1112 and the first slide groove 1264 in sequence to connect with the second connecting member 12. When the second connecting member 12 moves along the sliding cavity 111, the second connecting member 12 drives the connecting assembly 135 to slide in the second slide groove 1112, so as to drive the cleaning mechanism 13 to run between the inward position and the outward position.

[0123] In this embodiment, by setting the sliding cavity 111 on the first connecting member 11 and making the two inner sidewalls of the sliding cavity 111 slide in contact with the outer sidewall of the second connecting member 12 respectively, the sliding process of the second connecting member 12 relative to the first connecting member 11 can be guided, limiting the second connecting member 12 from lateral displacement or torsion during the sliding process, so as to ensure that it always moves smoothly along the preset straight trajectory, providing a reliable guiding basis for the accurate positioning of the cleaning member 131. Meanwhile, by housing the second connector 12 entirely within the sliding cavity 111, this structure allows for a nested layout of the first connector 11 and the second connector 12 in the height direction of the frame 10. This helps reduce the superposition thickness of the two in the height space, making the structure of the cleaning equipment 100 more compact in the height direction, which is beneficial for optimizing the space utilization and installation layout of the whole machine.

[0124] Since the sliding cavity 111 is located near the bottom of the frame 10, i.e., close to the surface to be cleaned, dust such as particulate impurities generated during the cleaning operation can easily enter the meshing area of ​​the lead screw 1421 and the lead nut 1422, or invade the sliding contact area between the second connector 12 and the sliding cavity 111, thereby causing problems such as sliding jamming or abnormal wear of the second connector 12. To improve the above problems, please refer to FIG16. In one embodiment of the present invention, the second connector 12, the lead screw 1421, and the lead nut 1422 are all housed in the sliding cavity 111. The two ends of the lead screw 1421 are respectively rotatably connected to two opposite side walls of the sliding cavity 111 in the extending direction. The sliding cavity 111 has an opening 1111 facing the side of the frame 10. The cleaning device 100 also includes a cover plate 112, which covers the opening 1111.

[0125] Specifically, please refer to FIG4. The frame 10 has a receiving cavity 101 on the side facing the surface to be cleaned. The first connector 11, the second connector 12, and the cleaning mechanism 13 are all housed in the receiving cavity 101. The cover plate 112 is fixedly connected to the wall of the receiving cavity 101 and covers the opening 1111 of the sliding cavity 111. Meanwhile, the cover plate 112 is fixedly connected to the first connecting member 11, thereby fixing the first connecting member 11 to the frame 10, and finally realizing the connection between the cleaning mechanism 13 and the frame 10.

[0126] In this embodiment, the second connecting member 12, the lead screw 1421 and the lead nut 1422 are accommodated in the sliding cavity 111, and the second connecting member 12, the lead screw 1421 and the lead nut 1422 are utilized.The opening 1111 of the sliding cavity 111 is covered by the cover plate 112, thus creating a relatively sealed space. This space can reduce the probability of dust, particles and other impurities entering the transmission meshing area and sliding contact parts from a physical perspective, thereby forming a relatively clean internal environment in the sliding cavity 111. This setting is beneficial to ensuring the meshing transmission accuracy of the lead screw 1421 and the lead nut 1422 during long-term operation, reducing abnormal wear or jamming caused by dust contamination, and thus helping to ensure that the second connecting member 12 maintains stable and accurate sliding performance.

[0127] Based on the first translation assembly 142 including the lead screw 1421 and the lead nut 1422, further, referring to FIG17, in one embodiment of the present invention, the first translation assembly 142 also includes a worm gear 1423 and a worm 1424. The worm 1424 is connected to the rotation output end of the first driving member 141. Specifically, the worm 1424 is coaxially and fixedly connected to the rotating output end of the first driving member 141. The fixed connection method includes, but is not limited to, shaft hole interference fit or set screw connection. The worm wheel 1423 is connected to the lead screw 1421. Specifically, the worm wheel 1423 is coaxially and fixedly connected to one end of the lead screw 1421. The fixed connection method includes, but is not limited to, coupling connection or shaft hole interference fit connection. The worm wheel 1423 and the worm 1424 are arranged in a perpendicular spatial arrangement and maintain meshing. When the first driving member 141 runs, it drives the worm 1424 to rotate synchronously. The worm 1424 drives the worm wheel 1423 to rotate synchronously, and finally drives the lead screw 1421 to rotate synchronously through the worm wheel 1423.

[0128] In this embodiment, by adding a worm wheel and worm gear transmission mechanism, a higher total transmission ratio is achieved in a limited space, making the speed of the lead screw 1421 more stable and controllable, thereby effectively improving the position adjustment accuracy of the second connecting member 12. Meanwhile, since this transmission method adopts a vertically staggered shaft arrangement, it can make full use of the installation space inside the frame 10, which is especially suitable for the power transmission needs of the cleaning equipment 100 in a height-restricted environment. In addition, the smooth and continuous meshing transmission between the worm gear 1424 and the worm wheel 1423 has lower operating noise compared with the gear transmission structure, which helps to further improve the user's comfort.

[0129] In one embodiment of the present invention, the preset position includes a first preset position and a second preset position. In the retracted position, the cleaning component 131 has a raised position and a lowered position. In the raised position, as shown in FIG19, the cleaning component 131 is disengaged from the surface to be cleaned. In the lowered position, as shown in FIG18, the cleaning component 131 is in contact with the surface to be cleaned. When the second connecting member 12 is located in the first preset position, the cleaning component 131 is in the raised position, and when the second connecting member 12 is located in the second preset position, the cleaning component 131 is in the lowered position.

[0130] In this embodiment, the lifting and lowering states of the cleaning component 131 are linked to the sliding position of the second connecting component 12: when the second connecting component 12 is in a first preset position, the cleaning component 131 is in a raised state; when the second connecting component 12 moves to a second preset position, the cleaning component 131 automatically switches to a lowered state. This structure can utilize the horizontal sliding of the second connecting component 12 to achieve lifting and lowering control of the cleaning component 131, eliminating the need for an additional independent lifting actuator, thereby effectively simplifying the overall structure and reducing manufacturing costs. Simultaneously, the cleaning component 131 has two switchable positions—raised and lowered—in its retracted position, allowing it to flexibly adjust its working mode according to actual cleaning needs, further expanding the functional diversity and scenario adaptability of the cleaning equipment 100.

[0131] Referring to Figures 6 to 9, in one embodiment of the present invention, the second connecting member 12 is provided with a lifting surface 125, and the cleaning mechanism 13 is provided with a supporting part 132 on the side away from the surface to be cleaned. Specifically, the supporting part 132 is provided on the side of the mounting base 134 of the cleaning mechanism 13 away from the cleaning component 131. Along the height direction of the frame 10, the lifting surface 125 is supported below the supporting part 132, and the supporting part 132 is pressed against the lifting surface 125 by the gravity of the cleaning mechanism 13. When the second connecting member 12 runs between the first preset position and the second preset position, the supporting part 132 can move along the lifting surface 125 to drive the cleaning component 131 to switch between the raised position and the lowered position.

[0132] The lifting surface 125 can be an inclined surface, an arc surface, or a combination of an inclined surface and an arc surface, etc. The supporting part 132 can be a structure such as an inclined block, an arc block, or a pin connected to the cleaning mechanism 13. When the supporting part 132 moves along the lifting surface 125, the supporting part 132 and the lifting surface 125 can be in rolling contact or sliding contact, and this embodiment is not limited to this.

[0133] It should be noted that as long as the cleaning mechanism 13 can achieve stable lifting and lowering movement relative to the frame 10 by sliding the supporting part 132 along the lifting surface 125, this embodiment does not limit the specific number and position of the lifting surface 125 on the second connecting member 12. For example, in the width direction of the second connecting member 12, lifting surfaces 125 can be provided on both side walls, or a single lifting surface 125 can be provided only in its central area. Correspondingly, the number and position of the supporting part 132 on the mounting base 134 are not fixed, and only need to be configured according to the actual layout of the lifting surface 125 to ensure that the two form an effective cooperation.

[0134] In this embodiment, by providing a mutually cooperating lifting surface 125 and a supporting part 132, when the second connecting member 12 slides between the first preset position and the second preset position, the supporting part 132 can move along the lifting surface 125, thereby driving the cleaning member 131 to switch between the raised position and the lowered position. This structure only requires the abutting cooperation of the lifting surface 125 and the supporting part 132.The cleaning component 131 can be lifted and lowered, and has the advantages of simple structure and convenient processing.

[0135] Existing cleaning equipment still generally has the problem of insufficient adaptability to complex scenarios in actual use. Specifically, due to the structural design of the cleaning components (such as roller mops, track mops, etc.), their outward expansion mode is relatively simple and it is difficult to effectively adapt to different furniture layouts and edge shapes. For example, when cleaning the bottom of the sofa, the edge of concave furniture or the corner gap, the cleaning component often cannot fully fit or penetrate into the narrow area, resulting in the generation of cleaning blind spots. At the same time, due to the lack of a flexible and adjustable cleaning mechanism, existing equipment is also difficult to achieve targeted cleaning operations when facing diverse home environments, thus restricting the further improvement of the overall cleaning effect.

[0136] Please refer to Figures 1, 4 and 5. The present invention also provides a cleaning device 100, which includes: a frame 10, a first connecting member 11, a second connecting member 12, a cleaning mechanism 13, a drive mechanism 14 and a gear adjustment mechanism 15. The first connecting member 11 is fixedly connected to the frame 10; the second connecting member 12 is slidably installed on the first connecting member 11. The cleaning mechanism 13 includes a cleaning member 131, which is installed on the second connecting member 12 and moves in conjunction with the second connecting member 12, so that the cleaning member 131 has an inward position and multiple outward positions relative to the frame 10. The driving mechanism 14 is installed on the first connecting member 11 and is used to drive the second connecting member 12 to slide, so as to move the cleaning member 131 to the inward position or any outward position. Specification 13 / 50 pages 16 CN 121570088 A

[0137] It should be noted that the specific structure and interconnection relationship of the first connecting member 11, the second connecting member 12, the cleaning mechanism 13 and the driving mechanism 14 in this embodiment can be referred to the relevant descriptions in the embodiments shown in Figures 5 and 6, which will not be repeated here.

[0138] The main difference between this embodiment and the previous embodiment is that the specific implementation method of the gear adjustment mechanism 15 is different. The gear adjustment mechanism 15 in this embodiment includes a controller and a positioning detection component 151. The positioning detection component 151 is disposed on the first connector 11 and / or the second connector 12 and is electrically connected to the controller. When the cleaning component 131 moves to the retracted position and / or at least one outward expansion position, the controller can control the drive mechanism 14 to stop operating based on the positioning electrical signal emitted by the positioning detection component 151.

[0139] In one embodiment, when the cleaning component 131 moves to the retracted position, the positioning detection component 151 can generate a positioning electrical signal, and the controller controls the drive mechanism 14 to stop operating based on this positioning electrical signal, so that the cleaning component 131 is accurately positioned in the retracted position. In another embodiment, when the cleaning component 131 moves to any of the multiple outward expansion positions, the positioning detection component...Each of the 151 components can generate a corresponding positioning electrical signal. The controller controls the drive mechanism 14 to stop running according to the received positioning electrical signal, thereby stopping the cleaning component 131 at any target expansion position. In other embodiments, multiple positioning detection components 151 are provided, and multiple positioning detection components 151 can correspond to multiple working positions of the cleaning component 131 respectively. Specifically, when the cleaning component 131 moves to the inward position or any expansion position, a corresponding positioning detection component 151 will generate a positioning electrical signal; the controller controls the drive mechanism 14 to stop running at the corresponding position according to these positioning electrical signals, so as to realize the positioning of the cleaning component 131 at all working positions.

[0140] It should be noted that this embodiment does not strictly limit the specific structure and setting position of the positioning detection component 151. Any structure that can generate a positioning electrical signal when the cleaning component 131 reaches the preset position is within the protection scope of this solution. The following are several common implementation methods:

[0141] In one embodiment, the positioning detection component 151 includes a limit switch set on the first connecting member 11 and a stop block correspondingly set on the second connecting member 12. When the second connector 12 slides to a preset position, the stop block contacts the limit switch and triggers it to generate an arrival electrical signal.

[0142] In another embodiment, the arrival detection component 151 includes an optocoupler sensor disposed on the first connector 11 and a stop block correspondingly mounted on the second connector 12. When the stop block moves with the second connector 12 into the optical path of the optocoupler sensor, the optocoupler sensor detects the change in the optical path state and generates an arrival electrical signal.

[0143] In yet another embodiment, the arrival detection component 151 includes a Hall sensor disposed on the first connector 11 and a magnet correspondingly mounted on the second connector 12. When the magnet moves with the second connector 12 into the sensing range of the Hall sensor, the Hall sensor generates a level change and forms an arrival electrical signal.

[0144] In other embodiments, the arrival detection component 151 can also be a laser displacement sensor, which integrates a laser emitter and a signal receiver. A laser displacement sensor is installed at one end of the first connector 11 along its length, and the laser beam emitted by the laser emitting end can be directed towards the end of the second connector 12 along its length (i.e., the surface being measured). During the sliding process of the second connector 12 relative to the first connector 11, the sliding distance of the second connector 12 relative to the first connector 11 is detected by detecting the change in the relative distance between the measured surface and the laser emitting end. When the laser displacement sensor detects that the sliding distance of the second connector 12 is consistent with the sliding distance of a preset inward position and / or at least one outward position within the controller, the laser displacement sensor generates a positioning electrical signal, and the controller can control the drive mechanism 14 to stop operating based on the positioning electrical signal emitted by the laser displacement sensor.

[0145] Of course, in other embodiments, the laser displacement sensor can also be mounted on the second connector 12, and the laser beam emitted by the laser emitting end can be directly facing the end (i.e. the measured surface) of the first connector 11 along its length. With this configuration, the laser displacement sensor can also detect the sliding distance of the second connector 12 relative to the first connector 11, thereby achieving the effect described in the above embodiments.

[0146] In this invention, a gear adjustment scheme combining the position detection component 151 and the controller is adopted. Compared with the encoder-based control method, this scheme can directly trigger the generation of a position electrical signal when the cleaning component 131 reaches the preset position. The controller controls the drive mechanism 14 to stop running accordingly, thereby eliminating the complex process of continuously monitoring motor parameters, calculating displacement, and repeatedly comparing in the encoder scheme. This not only makes the entire system respond more quickly but also simplifies the control logic. Meanwhile, the positioning detection component 151 (such as a limit switch, optocoupler sensor, etc.) can be flexibly arranged on the first connector 11 or the second connector 12 according to the mechanical structure, without being limited by the motor installation position or transmission form, and has stronger adaptability in space-constrained scenarios. In addition, the one-time trigger control mechanism based on the position endpoint can avoid positioning deviations caused by signal accumulation errors, electromagnetic interference or data drift during continuous operation of the encoder, thereby improving the reliability and control consistency of the system operation.

[0147] In one embodiment of the present invention, in the retracted position, the cleaning component 131 has a raised position and a lowered position. In the raised position, as shown in FIG19, the cleaning component 131 is lifted away from the surface to be cleaned. In the lowered position, as shown in FIG18, the cleaning component 131 is in contact with the surface to be cleaned. As shown in FIG21 and FIG22, when the cleaning component 131 is in the raised position, the positioning detection component 151 generates a first positioning electrical signal, and the controller controls the drive mechanism 14 to stop running according to the first positioning electrical signal.

[0148] In this embodiment, by setting a position detection and control function at the lifting position of the cleaning component 131, the lifting position becomes a unified initial reference point for the outward expansion operation of the cleaning component 131. When the cleaning component 131 reaches the lifting position, the position detection component 151 triggers a first position electrical signal, and the controller controls the drive mechanism 14 to stop accordingly, thereby ensuring that the cleaning component 131 can return to the same position each time it is started and reset. This setting can provide a reliable positioning starting point for subsequent outward expansion movements, which is beneficial to improving the problem of cumulative errors that may be caused by repeated operation. At the same time, this initial position detection and control mechanism can also establish a verifiable physical reference for the control system, that is, it can provide a clear reference position, which can improve the maintainability of the operating state of the cleaning component 131 and its fault diagnosis and recovery capabilities.

[0149] Please refer to Figure 22. In one embodiment of the present invention, the first connector 11 is provided with a first limiting part, and the second connector 12 is provided with a second limiting part. When the controller fails to stop the drive mechanism 14 according to the first positioning electrical signal, the first limiting part and the second limiting part can abut against each other during the continued operation of the drive mechanism 14 to prevent the second connector 12 from continuing to operate. The first limiting part and the second limiting part can be additional structural components provided on the first connector 11 and the second connector 12, or they can be the wall of the first connector 11 itself or the wall of the second connector 12 itself.

[0150] Specifically, in this embodiment, please refer to Figures 22 and 21. The first connector 11 is provided with a sliding cavity 111 as shown in the embodiments of Figures 5 and 6, and the second connector 12 is slidably installed in the sliding cavity 111. Along the sliding direction of the second connector 12, the sliding cavity 111 is provided with a first end wall 1231 at one end in the length direction, and the second connector 12 is provided with a second end wall 1232 on the side facing the first end wall 1231. The first end wall 1231 forms the first limiting part described above, and the second end wall 1232 forms the second limiting part described above. When the controller fails to stop the drive mechanism 14 according to the first positioning electrical signal, the first end wall 1231 and the second end wall 1232 can abut against each other in the sliding direction of the second connector 12 during the continued operation of the drive mechanism 14, so as to prevent the second connector 12 from continuing to run in the sliding cavity 111.

[0151] In this embodiment, by setting the first limiting part and the second limiting part, a dual protection mechanism combining mechanical and electrical control can be formed. When the positioning detection component 151 or the controller fails and cannot stop the drive mechanism 14 normally according to the positioning electrical signal, the first limiting part and the second limiting part will abut against each other when the second connector 12 runs to the limit position, forming a mechanical block, thereby effectively preventing the second connector 12 from impacting the end of the sliding cavity 111 due to excessive operation, and avoiding component damage or equipment failure. Meanwhile, in the event of an abnormality in the electrical control system or failure of the positioning detection component 151, the mechanical limiting structure can still function independently, providing the final safety guarantee for the operation of the equipment, thereby improving the fault tolerance and long-term operational reliability of the whole machine.

[0152] Please refer to Figures 11 and 21. In one embodiment of the present invention, the multiple expansion positions include at least a first expansion position. In the first expansion position, along the width direction of the frame 10, the edge of the cleaning component 131 is flush with the edge of the frame 10. When the cleaning component 131 moves to the first expansion position, the positioning detection component 151 generates a second positioning electrical signal, and the controller controls the drive mechanism 14 to stop operating according to the second positioning electrical signal.

[0153] In this embodiment, by setting the positioning detection component 151 at the first expansion position, the cleaning component 131 is able to move in the same direction as the frame 10.When the edges are aligned, a second positioning electrical signal is triggered, and the controller controls the drive mechanism 14 to stop operating accordingly. This design not only achieves precise positioning of the cleaning component 131, but also utilizes the visual reference provided by the aligned state to bring other beneficial effects to the installation and commissioning of the cleaning equipment 100: on the one hand, installers can quickly complete the positioning and installation of the positioning detection component 151 with the help of this visible reference, effectively reducing assembly difficulty and ensuring consistency. On the other hand, during routine maintenance, staff can intuitively judge whether there is an operating error in the equipment by observing the alignment state, thus improving the maintainability of the equipment.

[0154] Please refer to Figures 22 and 21. In one embodiment of the present invention, the positioning detection component 151 includes a position detection element 1511 and a stop 1512. One of the position detection element 1511 and the stop 1512 is disposed on the first connecting member 11, and the other is disposed on the second connecting member 12. When the cleaning component 131 is in the raised position or the first outward expansion position, the stop 1512 triggers the position detection element 1511, causing the position detection element 1511 to generate a first or second positioning electrical signal. The position detection element 1511 can be a limit switch, an optocoupler sensor, etc.

[0155] Specifically, in one embodiment, the position detection element 1511 is disposed on the second connector 12, the stop 1512 is disposed on the first connector 11, and there are two stop 1512s. When the second connector 12 slides and drives the position detection element 1511 to align with one of the stop 1512s, the first positioning electrical signal is triggered; when it aligns with the other stop 1512, the second positioning electrical signal is triggered.

[0156] In another embodiment, there are two position detection elements 1511s, both of which are disposed on the first connector 11, while the stop 1512 is disposed on the second connector 12. When the second connector 12 slides and drives the stop 1512 to align with one of the position detection elements 1511, a first positioning electrical signal is triggered; when it aligns with another position detection element 1511, a second positioning electrical signal is triggered.

[0157] It should be noted that the specific number and arrangement of the stop 1512 and the position detection element 1511 in the above embodiment can be adjusted according to the actual number of detection positions. Any technical solution that uses the cooperation of the stop 1512 and the position detection element 1511 to trigger positioning electrical signals at different positions is within the protection scope of this invention.

[0158] In this embodiment, by adopting a trigger-type detection scheme that uses the stop 1512 and the position detection element 1511 in cooperation, accurate detection of the cleaning component 131 at key positions such as the lifting position and the first outward expansion position is achieved. When the cleaning component 131 moves to the above positions, the stop 1512 interacts with the corresponding position detection element 1511 and triggers the corresponding positioning electrical signal.The position is provided to the controller to provide clear position feedback, thereby achieving reliable identification and precise control in multiple position states. The scheme has a simple structure, consisting only of a stop 1512 and a position detection element 1511, and has the advantages of low cost and small space occupation, making it particularly suitable for use in installation environments where the internal space of the cleaning equipment 100 is limited.

[0159] Although there are various specific arrangements for the stop 1512 and the position detection element 1511, optionally, in one embodiment of the present invention, please refer to Figures 22 and 21, the stop 1512 is set on the second connector 12, and the number is one. The position detection element 1511 is set on the first connector 11, and the number is two. When the cleaning component 131 moves to the raised position, the stop 1512 triggers one of the position detection elements 1511 to generate a first position signal. When the cleaning component 131 moves to the first outward expansion position, the stop 1512 triggers the other position detection element 1511 to generate a second position signal. Instruction manual, pages 16 / 50, 19, CN 121570088 A

[0160] Specifically, the stop 1512 is disposed on one outer side wall of the second connector 12 in the width direction, and it has an approximately L-shaped structure. The stop 1512 can be integrally formed with the second connector 12, or it can be fixed to the outer side wall of the second connector 12 by fasteners such as bolts. The first connector 11 has a mounting platform 113 on one side wall of the sliding cavity 111 in the width direction. Along the width direction of the sliding cavity 111, the mounting platform 113 extends toward the outside of the sliding cavity 111, and two position detection elements 1511 are mounted on the mounting platform 113 at intervals. By setting the mounting platform 113, the installation of the position detection elements 1511 does not occupy the internal space of the sliding cavity 111, reducing the probability of motion interference with the second connector 12. For ease of description, the two position detection elements 1511 are respectively labeled as the first position detection element 1511 and the second position detection element 1511. During the sliding process of the second connector 12 along the sliding cavity 111, the stop block 1512 moves with the second connector 12, and can trigger the first position detection element 1511 when it moves to the raised position to generate a first position signal; and trigger the second position detection element 1511 when it moves to the first outward expansion position to generate a second position signal.

[0161] In this embodiment, the position detection element 1511 is centrally set on the fixed first connector 11, which can realize the unified routing management of power lines and signal lines, effectively avoid repeated bending of cables caused by the reciprocating motion of the second connector 12, thereby preventing line wear or poor contact, which is conducive to improving the reliability of long-term system operation.

[0162] Based on the above embodiment, further, please refer to FIG22, in one embodiment of the present invention, position detectionComponent 1511 is an optocoupler sensor. Specifically, two optocouplers are set on the mounting platform 113, and their optical path direction is perpendicular to the sliding direction of the second connector 12. Correspondingly, a light-shielding part 15121 that can cooperate with the optical path of the optocoupler sensor is provided on the stop 1512 of the second connector 12. When the cleaning component 131 moves to the inward position or the first outward position, the light-shielding part 15121 on the stop 1512 just cuts into the optical path of the corresponding optocoupler sensor, so that it outputs the corresponding position electrical signal.

[0163] Since the optocoupler sensor realizes position detection through optical signal, it completely electrically isolates the mechanical action from the electrical control system. This can effectively prevent false triggering caused by line crosstalk, ground loop or voltage fluctuation, improve the anti-interference ability of the system, and because of its sealing characteristics and non-contact working principle, it is not affected by common pollutants such as dust and oil, and can stably resist the corrosion of water vapor, detergent spray and other substances in cleaning operations, ensuring long-term reliable operation in the humid environment of cleaning operations.

[0164] Based on the use of a controller and a positioning detection component 151 to adjust the moving position of the cleaning component 131, please refer to FIG13. In one embodiment of the present invention, the drive mechanism 14 includes a first drive component 141 and a first translation component 142. The first drive component 141 is mounted on the first connector 11 and has a rotation output end. The first drive component 141 is a drive motor. The first translation component 142 includes a power input end and a power output end. The power input end is connected to the rotation output end, and the power output end is connected to the second connector 12 to drive the second connector 12 to slide horizontally relative to the first connector 11. The gear adjustment mechanism 15 also includes an encoder. The encoder is electrically connected to the first drive component 141, and the controller can control the running distance of the first drive component 141 according to the electrical signal fed back by the encoder. Specifically, by setting an encoder, the controller can control the running distance of the first drive component 141 according to the electrical signal fed back by the encoder, thereby realizing the positioning control of the cleaning component 131 at various running positions.

[0165] In this embodiment, based on the existing controller and the position detection component 151, an encoder is further introduced to form a composite control system. This control system continuously monitors the operating parameters of the drive motor through the encoder, enabling the controller to track the dynamic displacement of the cleaning component 131 at any position in real time. This effectively compensates for the limitation that the position detection component 151 can only trigger electrical signals at preset points, facilitating the addition of other outward expansion positions according to the outward expansion distance requirements of the cleaning component 131. Simultaneously, when the position detection component 151 fails due to mechanical offset or malfunction, the system can automatically switch to encoder control mode to continue performing the positioning operation, thereby enhancing the equipment's continuous operation capability and the reliability of task completion under abnormal operating conditions.

[0166] Based on the first outward expansion position of the cleaning component 131 in the embodiment shown in FIG11, further, in this invention…In one embodiment, the extended position also includes a second extended position as shown in the embodiment of FIG12. In the second extended position, the edge of the cleaning component 131 extends at least partially to the outside of the edge of the frame 10. When the cleaning component 131 moves to the second extended position, the controller can control the first drive component 141 to stop operating according to the electrical signal fed back by the encoder; and / or, the position detection component 151 generates a third position electrical signal, and the controller controls the first drive component 141 to stop operating according to the third position electrical signal.

[0167] Specifically, in one embodiment, the controller controls the first drive component 141 to stop operating when the cleaning component 131 reaches the second extended position according to the electrical signal fed back by the encoder. In another embodiment, the position detection component 151 generates a third position electrical signal when the cleaning component 131 moves to the second extended position, and the controller controls the first drive component 141 to stop operating accordingly. In other embodiments, the system supports two control methods simultaneously: the controller can implement stop control based on the electrical signal fed back by the encoder, or it can perform a stop operation when the position detection component 151 generates a third position electrical signal. The two methods can be selected according to actual needs or used as backups for each other.

[0168] In this embodiment, since the cleaning component 131 is provided with a second outward expansion position, when the cleaning component 131 moves to the second outward expansion position, at least part of its edge can extend beyond the edge of the frame 10, thereby allowing the cleaning component 131 to be closer to corners, irregular areas, or narrow angles and other complex structures, effectively improving the cleaning effect on these difficult-to-clean areas. At the same time, the control method of the second outward expansion position has multiple options and can be flexibly configured according to actual application needs: encoder control can be used in situations requiring high-precision positioning, while the control method of the position detection component 151 can be selected in scenarios where cost optimization is emphasized. This design can take into account both cleaning efficiency and system implementation flexibility, and can better meet the diverse needs of different users.

[0169] Based on the second outward expansion position shown in FIG12, referring to FIG20, in one embodiment of the present invention, the outward expansion position further includes a third outward expansion position. In the third outward expansion position, the distance L2 from the edge of the cleaning component 131 to the outside edge of the frame 10 is greater than the distance L1 from the edge of the cleaning component 131 to the outside edge of the frame 10 when the cleaning component 131 is in the second outward expansion position. When the cleaning component 131 moves to the third outward expansion position, the controller can control the first drive component 141 to stop running according to the electrical signal fed back by the encoder; and / or, the positioning detection component 151 generates a fourth positioning electrical signal, and the controller controls the first drive component 141 to stop running according to the fourth positioning electrical signal.

[0170] Specifically, in one embodiment, the controller controls the first drive component 141 to stop running according to the electrical signal fed back by the encoder.The cleaning component 131 stops operating when it reaches the third outward expansion position. In another embodiment, the position detection component 151 generates a fourth position electrical signal when the cleaning component 131 moves to the third outward expansion position, and the controller controls the first drive component 141 to stop operating accordingly. In other embodiments, the system supports two control methods simultaneously: the controller can implement stop control based on the electrical signal fed back by the encoder, or it can perform a stop operation when the position detection component 151 generates the fourth position electrical signal. The two methods can be selected according to actual needs or used as backups for each other.

[0171] In this embodiment, since the cleaning component 131 is provided with a third outward expansion position, and when it is in the third outward expansion position, the edge of the cleaning component 131 can extend a greater distance L2 beyond the edge of the frame 10, thereby enabling the cleaning component 131 to deeply clean deep dead corners that are difficult for traditional cleaning equipment 100 to reach, such as the deep bottom of wide furniture, the back of narrow crevices, and other special areas, thereby improving the coverage of dead corners at the edges of the whole house. Meanwhile, the control method of the third expansion position has multiple options and can be flexibly configured according to actual application needs: encoder closed-loop control can be used in situations requiring high-precision positioning, while the control method of the position detection component 151 can be selected in scenarios where cost optimization is emphasized. This design can take into account both cleaning efficiency and system implementation flexibility, and can adapt to the diverse needs of different users.

[0172] In the prior art, cleaning devices with expansion functions usually only have a single expansion position for their cleaning components. This structure is significantly less adaptable to diverse actual cleaning scenarios. Specifically, when cleaning shallow gaps or the bottom of low furniture, a fixed expansion amount may cause the cleaning component to overextend, causing the mechanism to jam or aggravating wear; conversely, when cleaning deep corners or narrow gaps, the same expansion amount may not be able to effectively reach and clean the target area due to insufficient extension, ultimately forming a cleaning blind spot.

[0173] To solve the above problems, the present invention provides a cleaning device 100, which includes: a frame 10, a first connector 11, a second connector 12, a cleaning mechanism 13, and a driving mechanism 14.

[0174] The first connector 11 is fixedly installed on the frame 10, and the second connector 12 is slidably connected to the first connector 11. The cleaning mechanism 13 includes a cleaning component 131, which is installed on the second connector 12 and moves in conjunction with the second connector 12, so that the cleaning component 131 has an inward position and multiple outward positions relative to the frame 10. The driving mechanism 14 is used to drive the second connector 12 to slide relative to the first connector 11, so that the cleaning component 131 moves between the inward position and the outward position through the operation of the second connector 12.

[0175] It should be noted that, in this embodiment, the first connector 11, the second connector 12, the cleaning mechanism 13, and the driving mechanism are all connected in a circular motion.The specific structure of component 14 can be referred to the structures shown in the embodiments of Figures 5 and 6, and will not be repeated here.

[0176] The cleaning component 131 is a mop assembly, which can be a tracked mop assembly, a roller mop assembly, etc. For example, in this embodiment, the cleaning component 131 adopts a roller mop assembly.

[0177] Among them, the multiple outward expansion positions include at least a first outward expansion position, a second outward expansion position, and a third outward expansion position. In the first outward expansion position, as shown in Figure 11, the edge of the cleaning component 131 is flush with the edge of the frame 10. In the second and third outward expansion positions, as shown in Figures 12 and 20, the edge of the cleaning component 131 extends to the outside of the edge of the frame 10. In the third outward expansion position, the distance L2 of the edge of the cleaning component 131 extending to the outside of the edge of the frame 10 is greater than the distance L1 of the edge of the cleaning component 131 extending to the outside of the edge of the frame 10 in the second outward expansion position.

[0178] Specifically, taking the direction in which the cleaning component 131 moves from the inward position to the outward position as the first direction, the inward position, the first outward position, the second outward position, and the third outward position are sequentially set along the first direction. At the second and third outward positions, the specific dimensions of the edge of the cleaning component 131 extending beyond the edge of the frame 10 are not limited; in actual design, they need to be determined according to the cleaning performance requirements of the cleaning equipment 100.

[0179] In this embodiment, the cleaning component 131 has three working states: the first outward position, the second outward position, and the third outward position, each corresponding to different cleaning coverage ranges and scene adaptability: When the cleaning component 131 is in the first outward position, its edge remains flush with the edge of the frame 10, enabling seamless cleaning of vertical surfaces such as walls and baseboards without colliding with furniture, thus completing basic coverage of the edge area. Simultaneously, since the cleaning component 131 does not exceed the outline of the frame 10, it will not interfere with the normal movement of the cleaning equipment 100, ensuring smooth movement during the cleaning process. When the cleaning component 131 is switched to the second extended position, its edge extends beyond the edge of the frame 10, allowing the cleaning component 131 to at least partially penetrate into common corners and irregular gaps, expanding its cleaning capabilities for common complex structures. This is suitable for cleaning typical scenarios such as gaps between cabinets and walls, and the bottom of regular furniture. When the cleaning component 131 is further switched to the third extended position, the edge of the cleaning component 131 extends beyond the edge of the frame 10 by a greater distance, forming a larger extended state. This allows the cleaning component 131 to penetrate deep into hard-to-reach areas that are difficult for traditional cleaning equipment 100 to reach, such as the deep bottom of wide furniture and the back of narrow crevices, thereby improving its coverage of edge dead corners throughout the house. Through the above-mentioned three-level adjustable extended position design, the cleaning equipment 100 can gradually expand its cleaning range while maintaining mobility, thereby improving its comprehensive adaptability to different home layouts and edge shapes.

[0180] Referring to Figure 12, in one embodiment of the present invention, along the width direction of the frame 10, at the second outward expansion position, the distance L1 from the edge of the cleaning component 131 extending to the outside edge of the frame 10 is 20mm. The width direction of the frame 10 is perpendicular to the traveling direction of the cleaning device 100. It should be noted that in this embodiment, "the width direction of the frame 10 is perpendicular to the traveling direction of the cleaning device 100" means that the two are orthogonal or approximately orthogonal in the horizontal plane. This perpendicular relationship allows for angular deviations within the range of conventional manufacturing and assembly tolerances, as long as it ensures that the outward expansion movement of the cleaning component 131 in the width direction effectively intersects with the traveling direction of the cleaning device 100, the technical effect of this solution can be achieved.

[0181] Traditional cleaning devices 100 often have problems with insufficient outward expansion or non-adjustable extension of the cleaning component 131, making it difficult to adapt to the standard gaps (e.g., 15-25mm) between common furniture (such as cabinets and coffee tables) and walls, as described on pages 19 / 50 of the manual (CN 121570088 A). This leads to blind spots during cleaning. In product design, if the outward expansion distance of the cleaning component 131 is too small, it cannot effectively penetrate the edge areas; while if the distance is too large, it is easy for the cleaning component 131 to collide and interfere with the furniture. In this embodiment, the outward expansion distance of the second outward expansion position is set to 20mm. This outward expansion distance can match the standard gaps between furniture and walls in most home scenarios, allowing the cleaning component 131 to fully penetrate into such gaps and effectively cover common edge dead corners. At the same time, with this outward expansion distance, the risk of collision with furniture legs, wall corners, and other protrusions due to the excessive extension distance of the cleaning component 131 can also be reduced, thus achieving a good balance between cleaning effect and equipment protection.

[0182] Please refer to Figure 20. In one embodiment of the present invention, along the width direction of the frame 10, at the third outward expansion position, the distance L2 from the edge of the cleaning component 131 extending to the outside of the edge of the frame 10 is 40mm; the width direction of the frame 10 is perpendicular to the walking direction of the cleaning device 100.

[0183] When facing wider edge areas (such as the bottom of large furniture, the back of pipes, and other structural gaps), traditional cleaning devices 100 often have difficulty reaching deep areas due to insufficient extension distance, forming stubborn dead corners that are difficult to clean; at the same time, a single outward expansion distance cannot adapt to diverse home structures, especially when dealing with gaps or spaces larger than 30mm, the cleaning effect is significantly limited; in addition, due to the lack of graded outward expansion cleaning schemes for different scenarios, the cleaning device 100 often has difficulty achieving deep cleaning of special areas while ensuring operational safety.

[0184] In this embodiment, by setting the outward expansion distance of the third outward expansion position to 40mm, the cleaning component 131 can fully penetrate areas that traditional cleaning equipment 100 cannot effectively cover, such as the bottom of most large furniture and the gap between pipes and walls.This can expand the cleaning range of the cleaning device 100. The 40mm outward expansion distance, together with the aforementioned 20mm second outward expansion position, can form a gradient cleaning mode from "basic coverage" to "deep cleaning". Users can flexibly choose the appropriate outward expansion distance according to the actual scenario, thereby improving cleaning efficiency while better adapting to the diverse needs of home environments.

[0185] In one embodiment of the present invention, along the sliding direction of the second connector 12, the second connector 12 has multiple preset positions, and the multiple preset positions correspond one-to-one with the multiple outward expansion positions; the cleaning device also includes a gear adjustment mechanism 15, which is used to control the operation of the drive mechanism 14, so that the second connector 12 can selectively stop at any preset position, thereby causing the cleaning component 131 to stop at the corresponding outward expansion position. In this embodiment, the setting position and specific structure of the gear adjustment mechanism 15 can be referred to the description of the embodiment shown in FIG22 above, and will not be repeated here.

[0186] In this embodiment, the cleaning device 100 can switch the second connecting member 12 between multiple preset positions through the cooperation of the drive mechanism 14 and the gear adjustment mechanism 15, thereby enabling the cleaning member 131 to selectively adjust between the inward position and multiple different outward expansion positions. This structure can improve the problem that the traditional cleaning device 100 is difficult to fit different furniture layouts and edge shapes due to the single outward expansion mode of the cleaning member 131. It allows the cleaning member 131 to flexibly select different outward expansion positions according to the needs of complex scenarios such as the bottom of the sofa, the edge of concave furniture, or the corner gap, thereby reducing cleaning blind spots in the cleaning process, improving adaptability to different home environments, and improving the overall cleaning effect of the cleaning device.

[0187] In one embodiment of the present invention, the gear adjustment mechanism 15 includes an encoder and a controller. The encoder is electrically connected to the first drive member 141. The controller can control the operation of the first drive member 141 according to the electrical signal fed back by the encoder, so as to control the sliding distance of the second connecting member 12, so that the second connecting member 12 can be selectively stopped at any preset position. It should be noted that, in this embodiment, the specific control logic of the controller controlling the operation of the first drive component 141 according to the electrical signal fed back by the encoder can be referred to the relevant description in the foregoing embodiment. It will not be repeated here.

[0188] By setting the encoder to monitor the rotation parameters of the drive motor in real time, the controller can accurately control the operation of the first drive component 141 according to the electrical signal fed back by the encoder, thereby realizing the precise adjustment of the sliding distance of the second connecting component 12, so that it can selectively stop at any preset position. This control method not only ensures the positioning accuracy of the cleaning component 131 in the outward or inward position, but also ensures the stability of the cleaning effect under different cleaning conditions. At the same time, this non-contact detectionThe mechanism effectively avoids the common problems of component wear and jamming in mechanical positioning mechanisms, significantly improving the overall service life and environmental adaptability of the motion mechanism, and is especially suitable for operation scenarios that require frequent adjustment of the cleaning range.

[0189] Although there are various structural options for the first translation component 142, in one embodiment of the present invention, the first translation component 142 includes a lead screw 1421 and a lead screw nut 1422. The lead screw 1421 is rotatably disposed on the first connecting member 11 and connected to the rotary output end. The lead screw nut 1422 is threadedly engaged with the lead screw 1421 and connected to the second connecting member 12. The first driving member 141 drives the lead screw 1421 to rotate, thereby driving the lead screw nut 1422 to move horizontally, and then driving the second connecting member 12 to slide horizontally. The specific installation structure of the lead screw 1421 and the lead screw nut 1422 between the first connecting member 11 and the second connecting member 12 can be described with reference to the structure of the embodiment shown in FIG13, and will not be repeated here.

[0190] In this embodiment, the first translation component 142 adopts a lead screw and nut transmission structure. On the one hand, the lead screw 1421 transmission has excellent repeatability and positioning accuracy, and can effectively avoid the elastic deformation or slippage that is easy to occur in traditional belt drives during forward and reverse operation. At the same time, it can also overcome the shortcomings of large backlash in gear and rack transmission, thereby ensuring that the cleaning component 131 can achieve accurate and stable positioning control when switching between different outward expansion positions.

[0191] Based on the scheme of the gear adjustment mechanism 15 including an encoder and a controller, in one embodiment of the present invention, the gear adjustment mechanism 15 further includes a positioning detection component 151. The positioning detection component 151 is disposed on the first connecting member 11 and / or the second connecting member 12 and is electrically connected to the controller. When the cleaning component 131 moves to the inward position and / or at least one outward expansion position, the controller can control the drive mechanism 14 to stop running according to the positioning electrical signal issued by the positioning detection component 151. In the inward position, the cleaning component 131 has a raised position and a lowered position. In the raised position, the cleaning component 131 is lifted away from the surface to be cleaned. At the falling position, the cleaning component 131 contacts the surface to be cleaned. When the cleaning component 131 is in the raised position, the positioning detection component 151 generates a first positioning electrical signal, and the controller controls the drive mechanism 14 to stop operating according to the first positioning electrical signal. The specific structure of the positioning detection component 151 in this embodiment can be referred to the relevant description in the previous embodiment, and will not be repeated here.

[0192] In this embodiment, a positioning detection component 151 is added to the encoder and controller, and the positioning electrical signal emitted by it controls the drive mechanism 14 to stop, so as to achieve precise positioning of the cleaning component 131 at the target position. This design can effectively calibrate and compensate for the control accuracy of the encoder. Specifically, although the encoder can achieve precise displacement control, the mechanical transmission system may accumulate errors due to wear, deformation or signal loss during long-term use, resulting in the actual control position of the cleaning component 131 being affected.The position gradually deviates from the preset value. In this case, the position detection component 151 can be used as a physical reference point. When the cleaning component 131 moves to its trigger position, the controller can respond to the position signal and execute the stop command, unaffected by the current accumulated error of the encoder. This control mechanism can not only correct the stop position and eliminate errors in real time during each outward movement of the cleaning component 131, ensuring the long-term positioning consistency of key points, but also be used as a system self-testing method. If there is a continuous deviation between the encoder feedback and the position signal, the system can judge the transmission abnormality and issue a maintenance reminder in time, thereby improving the overall reliability and intelligence level of operation.

[0193] In one embodiment of the present invention, in the retracted position, the cleaning component 131 has a raised position and a lowered position. In the raised position, as shown in FIG19, the cleaning component 131 is lifted away from the surface to be cleaned. In the lowered position, as shown in FIG18, the cleaning component 131 is in contact with the surface to be cleaned. As shown in FIG22 and FIG23, when the cleaning component 131 is in the raised position, the position detection component 151 generates a first position electrical signal, and the controller controls the drive mechanism 14 to stop running according to the first position electrical signal.

[0194] In this embodiment, by setting a positioning detection and control function at the lifting position of the cleaning component 131, the lifting position becomes a unified initial reference point for the outward expansion operation of the cleaning component 131. When the cleaning component 131 reaches the lifting position, the positioning detection component 151 triggers a first positioning electrical signal, and the controller controls the drive mechanism 14 to stop accordingly, thereby ensuring that the cleaning component 131 can return to the same position each time it is started and reset. This setting can provide a reliable positioning starting point for subsequent outward expansion movements, which is beneficial to improving the cumulative error problem that may be caused by repeated operation. At the same time, the initial position detection and control mechanism can also establish a verifiable physical reference for the control system, that is, it can provide a clear reference position, which can improve the maintainability of the operating state of the cleaning component 131 and the fault diagnosis and recovery capability.

[0195] In one embodiment of the present invention, when the cleaning component 131 moves to the first outward expansion position, the positioning detection component 151 generates a second positioning electrical signal, and the controller controls the drive mechanism 14 to stop operating according to the second positioning electrical signal.

[0196] In this embodiment, by setting a positioning detection component 151 at the first outward expansion position, the cleaning component 131 triggers a second positioning electrical signal when it is flush with the edge of the frame 10, and the controller controls the drive mechanism 14 to stop operating accordingly. This design not only achieves precise positioning of the cleaning component 131, but also utilizes the visual reference provided by the flush state to bring other beneficial effects to the installation and commissioning of the cleaning equipment 100: On the one hand, installers can quickly complete the positioning and installation of the positioning detection component 151 with the help of this visible reference, effectively reducing assembly difficulty and ensuring consistency. On the other hand, during routine maintenance, staff can...By observing the alignment status, it is possible to intuitively determine whether there is an operational error in the equipment, thus improving the maintainability of the equipment.

[0197] Please refer to Figures 22 and 21. In one embodiment of the present invention, the positioning detection component 151 includes a position detection element 1511 and a stop 1512. One of the position detection element 1511 and the stop 1512 is disposed on the first connector 11, and the other is disposed on the second connector 12. When the cleaning component 131 is in the raised position or the first outward expansion position, the stop 1512 triggers the position detection element 1511, and causes the position detection element 1511 to generate a first positioning electrical signal or a second positioning electrical signal. The position detection element 1511 may be a limit switch, an optocoupler sensor, etc. In this embodiment, the specific setting position and setting method between the position detection element 1511 and the stop 1512 can be referred to the relevant description in the foregoing embodiments, and will not be repeated here.

[0198] In this embodiment, a trigger-type detection scheme using a stop block 1512 and a position detection element 1511 is adopted to achieve accurate detection of the cleaning component 131 at key positions such as the raised position and the first outward expansion position. When the cleaning component 131 moves to the above-mentioned positions, the stop block 1512 interacts with the corresponding position detection element 1511 and triggers the corresponding position electrical signal to provide clear position feedback to the controller, thereby achieving reliable identification and accurate control in multiple position states. This scheme has a simple structure, consisting only of the stop block 1512 and the position detection element 1511, and has the advantages of low cost and small space occupation, making it particularly suitable for use in installation environments where the internal space of the cleaning equipment 100 is limited.

[0199] Currently, in order to improve the cleaning effect on complex areas such as edges and corners, cleaning equipment generally introduces cleaning components with outward expansion functions, and relies on a built-in drive mechanism to realize its telescopic movement. This design allows the cleaning component to expand outward during operation, thereby effectively reaching and cleaning the outer side of the machine body and hard-to-reach corner areas. However, in existing technical solutions, such drive mechanisms are usually arranged along the height of the equipment and occupy a large vertical installation space on the frame. This structural feature directly limits the compression potential of the whole machine in terms of height, which is not conducive to achieving a thinner and more compact design of the equipment. Therefore, how to reasonably arrange the drive mechanism in a limited space to achieve a thinner and more compact design of the equipment is an urgent technical problem to be solved.

[0200] In order to solve the above technical problem, the present invention provides a cleaning device 100, which includes: a frame 10, a first connecting member 11, a second connecting member 12, a cleaning mechanism 13 and a drive mechanism 14.

[0201] Please refer to Figures 21 and 24. The first connecting member 11 is fixedly connected to the frame 10 and has the sliding cavity 111 in the aforementioned embodiment. The second connecting member 12 is installed in the sliding cavity 111 and slides along the length direction of the sliding cavity 111. Cleaning mechanism 13The cleaning mechanism 13 is mounted on the second connector 12 and moves in conjunction with the second connector 12, so that the cleaning component 131 has an inward position and an outward position relative to the frame 10. In this embodiment, the specific structure of the first connector 11, the second connector 12 and the cleaning mechanism 13 and their mutual installation structure can be referred to the relevant descriptions in the embodiments of Figures 5 and 6, and will not be repeated here.

[0202] The drive mechanism 14 includes a first drive component 141 and a first translation component 142. The first drive component 141 is mounted on the first connector 11 and has a rotary output end. The first drive component 141 can be any power source that can have a rotary output end, such as a motor, a combination of a motor and a reducer, or a hydraulic motor. The first translation component 142 includes a power input end and a power output end. The power input end is connected to the rotation output end, and the power output end is connected to the second connector 12 to drive the second connector 12 to slide when the first drive component 141 is running, thereby driving the cleaning component 131 to move between the inward position and the outward position. The structural description of the first translation component 142 can be referred to the relevant description in the foregoing embodiments, and will not be repeated here.

[0203] Please refer to FIG24. The first drive component 141 is installed horizontally at one end of the length direction of the sliding cavity 111 and is located outside the sliding cavity 111. The rotation axis 1411 of the rotation output end is perpendicular to the sliding direction of the second connector 12 (as shown by the X1 axis in FIG24). The horizontal direction is perpendicular to the height direction of the frame 10.

[0204] It should be noted that in this embodiment, "the rotation axis 1411 of the rotation output end is perpendicular to the sliding direction of the second connector 12" means that the two are in a vertical or approximately vertical positional relationship in a horizontal plane perpendicular to the height direction of the frame 10. This vertical relationship allows for angular deviations within the range of conventional manufacturing and assembly tolerances, as long as it ensures that the rotation axis 1411 of the rotating output end is approximately perpendicular to the sliding direction of the second connecting member 12.

[0205] In this embodiment, the first driving member 141 is arranged horizontally, and the rotation axis 1411 of the first driving member 141 is perpendicular to the sliding direction of the second connecting member 12. This design allows the first driving member 141 to be installed laterally in the horizontal direction of the frame 10, which helps to make full use of the space of the frame 10 in the horizontal direction, thereby reducing the internal space occupied by the drive mechanism 14 in the height direction of the frame 10. This improvement can support the cleaning equipment 100 to achieve a thinner overall thickness, enabling it to easily enter low areas such as under beds and sofas, effectively expanding the application scenarios and cleaning coverage of the product. In addition, since the first driving member 141 is installed at one end of the length direction of the sliding cavity 111 and is located in the sliding cavity 111On the outside, this layout can avoid the first driving component 141 occupying the space of the first connecting component 12 in the width direction, which is conducive to reducing the risk of interference between the first connecting component 12 and adjacent components such as the cleaning water tank and the dust suction port in the width direction of the frame 10, and provides more layout possibilities for the compactness of the internal structure and functional integration of the whole machine.

[0206] Please refer to FIG24. In one embodiment of the present invention, the first translation component 142 further includes a worm gear 1423, a worm 1424, a lead screw 1421 and a nut 1422. The worm 1424 is connected to the rotation output end of the first driving component 141. The connection method can be a shaft hole interference fit or a key and keyway connection, etc. The worm gear 1423 is coaxially connected to the lead screw 1421. The connection method can be a shaft hole interference fit connection or a coupling connection, etc. Specifically, the worm gear 1423 is coaxially connected to one end of the lead screw 1421 in the length direction. The lead screw 1421 is rotatably connected to the first connecting member 11. The rotatable connection method includes, but is not limited to, bearing rotatable connection, bushing rotatable connection, etc. The extension direction of the lead screw 1421 is consistent with the sliding direction of the second connecting member 12. The nut 1422 is threadedly engaged with the lead screw 1421 and connected to the second connecting member 12. The nut 1422 can be clamped and fixed to the second connecting member 12, or it can be fixed to the second connecting member 12 by bolts, or it can be elastically abutted to the second connecting member 12 by an elastic element, as long as it can drive the second connecting member 12 to slide during the operation of the nut 1422.

[0207] When the first driving member 141 is running, the rotation output end of the first driving member 141 drives the worm gear 1424 to rotate, the worm gear 1424 drives the worm wheel 1423 to rotate, and then transmits the motion to the lead screw 1421, driving the lead screw 1421 to rotate. The rotation of the lead screw 1421 is converted into linear motion through the nut 1422, and finally drives the second connecting member 12 to slide relative to the frame 10.

[0208] In this embodiment, a worm gear transmission mechanism is adopted, and its axial reversing function is utilized to allow the first driving member 141 to be arranged laterally in the horizontal direction of the frame 10. This layout effectively utilizes the installation space in the horizontal direction of the frame 10, thereby reducing the space occupied by the transmission mechanism in the height direction. Furthermore, by combining the transmission structure of the lead screw and nut, the rotational motion of the first driving member 141 can be converted into linear motion. The installation dimension of the lead screw and nut structure in the height direction of the frame 10 is small, which is conducive to realizing a more compact linear transmission layout, thereby further reducing the space occupied by the driving mechanism 14 in the height direction, and further improving the structural compactness of the whole machine in the height direction. Specification 23 / 50 pages 26 CN 121570088 A

[0209] Please refer to Figures 16 and 26. In one embodiment of the present invention, the lead screw 1421 and the nut 1422 are both disposed in the sliding cavity 111Inside, the sliding cavity 111 has an opening 1111 facing the frame 10. The cleaning device 100 also includes a cover plate 112, which covers the opening 1111. Both the worm gear 1423 and the worm 1424 are disposed outside the sliding cavity 111. Specifically, the worm gear 1423 and the worm 1424 can be disposed at different positions, such as above, below, or along the extension direction of the sliding cavity 111. In this embodiment, both the worm 1424 and the worm gear 1423 are disposed outside the sliding cavity 111 along its length direction and close to the first driving member 141.

[0210] To further enhance the protective performance of the worm gear 1423 and worm 1424, the cover plate 112 extends outward to the outer area of ​​the sliding cavity 111 and covers the worm gear 1423 and worm 1424, effectively shielding the meshing area of ​​the worm gear 1423 and worm 1424.

[0211] It should be noted that the specific structural arrangement of the sliding cavity 111, the second connecting member 12, the lead screw 1421 and the lead nut 1422 involved in this embodiment can be referred to the relevant description in the foregoing embodiments, and will not be repeated here.

[0212] In this embodiment, by arranging the worm gear 1423 and the worm 1424 outside the sliding cavity 111, the space outside the sliding cavity 111 can be effectively utilized, avoiding the worm 1424 and the worm 1424 occupying the internal movement space of the sliding cavity 111, leaving more sufficient stroke space for the sliding of the second connecting member 12, and also helping to control the overall size of the sliding cavity 111, thereby contributing to the compact design of the whole machine structure.

[0213] Referring to Figures 16 and 21, in one embodiment of the present invention, along the height direction of the frame 10, the second connecting member 12 slides against the bottom wall of the sliding cavity 111, and the lead screw 1421 and the lead nut 1422 are both disposed on the side of the second connecting member 12 away from the bottom wall of the sliding cavity 111. Along the sliding direction of the second connecting member 12, the projected contours of the lead screw 1421 and the lead nut 1422 at least partially overlap with the projected contours of the second connecting member 12. Specifically, along the sliding direction of the second connector 12, the projected outlines of the lead screw 1421 and the lead nut 1422 can completely overlap with the projected outline of the second connector 12, that is, the projected outlines of the lead screw 1421 and the lead nut 1422 do not exceed the projected outline of the second connector 12 in the height direction of the frame 10. Alternatively, the projected outlines of the lead screw 1421 and the lead nut 1422 can partially overlap with the projected outline of the second connector 12, that is, the projected outlines of the lead screw 1421 and the lead nut 1422 partially exceed the projected outline of the second connector 12 in the height direction of the frame 10.

[0214] In this embodiment, by making the projected outlines of the lead screw 1421 and the lead nut 1422 at least partially overlap with the projected outline of the second connector 12 in the sliding direction of the second connector 12, the structural layout is optimized. This design makes the lead screw 1421,The nut 1422 and the second connector 12 share a portion of the space in the height direction, thereby reducing the overall height of the sliding cavity 111 and thus reducing the space occupied by the sliding cavity 111 in the height direction of the whole machine. This space optimization can further improve the compactness and thinness of the overall structure.

[0215] Referring to FIG21, in one embodiment of the present invention, the cleaning mechanism 13 further includes a second driving member 136, which is used to drive the cleaning member 131 to perform cleaning operations. The second driving member 136 can directly drive the cleaning member 131 to run, for example, the second driving member 136 can be a motor. It can also indirectly drive the cleaning member 131 to run through other transmission components, for example, it can be a combination of a motor and a gear assembly, a combination of a motor and a worm gear, etc. The first driving member 141 and the second driving member 136 are respectively disposed at both ends of the sliding cavity 111 in the length direction. The length direction of the sliding cavity 111 is consistent with the sliding direction of the second connector 12.

[0216] Specifically, the cleaning mechanism 13 includes a mounting base 134 and a cleaning component 131, which is rotatably mounted on the mounting base 134. The second driving component 136 is mounted on the side of the mounting base 134 away from the surface to be cleaned. That is, both the second driving component 136 and the first driving component 141 are located above the mounting base 134.

[0217] In this embodiment, by setting the first driving component 141 and the second driving component 136 at both ends of the sliding cavity 111 along its length, on the one hand, this arrangement allows the first driving component 141 and the second driving component 136 to be physically isolated from their respective operating areas, thereby effectively avoiding motion interference or structural collision between the first driving component 141 and the second driving component 136 during the sliding process, and thus improving the reliability and safety of the system operation. On the other hand, this layout also helps to achieve mass balance of the entire mechanism in the direction of movement, reducing additional torque or vibration that may be caused by the shift of the center of gravity, thereby helping the cleaning component 131 to maintain stability when reciprocating between the inward and outward positions.

[0218] In one embodiment of the present invention, along the walking direction of the frame 10 (as shown by the N axis in Figure 10), the frame 10 includes a front end and a rear end, and the first driving component 141 is disposed on the side of the first connecting component 11 facing the front end.

[0219] Considering that the rear end of the frame 10 usually needs to accommodate large functional modules such as clean water tanks and wastewater tanks, this area is often space-constrained and the structural layout is limited. In this embodiment, by disposing the first driving component 141 on the side of the first connecting component 11 facing the front end, the relatively spacious installation space near the front end of the frame 10 can be fully utilized, avoiding interference with the dense component layout at the rear end. This layout not only alleviates the problem of water tanks and other components occupying a large area at the rear end of the frame 10, but also helps to maintain stability.The local structural constraints formed by the measurement space can also optimize the internal space allocation of the whole machine, thereby improving the rationality of the overall structural layout.

[0220] In one embodiment of the present invention, in the recessed position, the cleaning component 131 has a raised position that is detached from the surface to be cleaned and a lowered position that is in contact with the surface to be cleaned. The second connecting component 12 is provided with a lifting surface 125, and the cleaning mechanism 13 is provided with a supporting part 132 on the side away from the surface to be cleaned. During the sliding process of the second connecting component 12 relative to the first connecting component 11, the supporting part 132 can move along the lifting surface 125 to realize the switching of the cleaning component 131 between the raised position and the lowered position. The relevant structural descriptions of the lifting surface 125 and the supporting part 132 can be found in the relevant descriptions of the embodiments shown in Figures 6 to 8, and will not be repeated here.

[0221] In this embodiment, since the supporting part 132 can move along the lifting surface 125 during the sliding process of the second connecting member 12 relative to the first connecting member 11, the cleaning member 131 can switch between the raised position and the lowered position. Therefore, this structure can realize the lifting control of the cleaning member 131 by utilizing the horizontal sliding of the second connecting member 12, without the need for an additional independent lifting actuator, thereby effectively simplifying the overall structure and reducing manufacturing costs. At the same time, the cleaning member 131 has two switchable states, raised and lowered, in the retracted position, which allows it to flexibly adjust the working mode according to actual cleaning needs, further expanding the functional diversity and scene adaptability of the cleaning equipment 100. In addition, by setting the mutually cooperating lifting surface 125 and supporting part 132, this structure can realize the lifting function of the cleaning member 131 simply by the abutting cooperation of the lifting surface 125 and the supporting part 132, which has the significant advantages of simple structure and convenient processing.

[0222] Please refer to Figures 14, 26, 27 and 28. In one embodiment of the present invention, the second connecting member 12 is provided with a cavity 126, which is recessed toward the side near the cleaning member 131. The mounting base 134 of the cleaning mechanism 13 is fixedly connected to an extension 133 on the side away from the cleaning member 131. The extension 133 extends upward through the bottom wall of the cavity 126 and is connected to the abutment 132 located inside the cavity 126. Specifically, the bottom wall of the cavity 126 is provided with a first sliding groove 1264, and the extension 133 passes through the first sliding groove 1264. The lead screw 1421 is provided through the cavity 126 along the length direction of the second connecting member 12. The extension 133 is provided on the side of the lead screw 1421 toward the bottom wall of the cavity 126, and the extension 133 is provided with a clearance groove 1331 for the lead screw 1421 to pass through. Since the extension portion 133 moves upward relative to the second connector 12 when the cleaning mechanism 13 is in the raised position, the clearance groove 1331 allows the extension portion 133 to avoid the lead screw 1421 in the height direction when the cleaning mechanism 13 is raised.

[0223] Specifically, along the height direction of the frame 10, the extension 133 is disposed below the lead screw 1421, and the side of the extension 133 facing the lead screw 1421 is provided with a clearance groove 1331. The clearance groove 1331 is an approximately arc-shaped cavity structure that matches the contour of the lead screw 1421. Of course, in other embodiments, the clearance groove 1331 can also be any groove structure that allows the lead screw 1421 to pass smoothly, such as a rectangular groove or a V-shaped groove.

[0224] In this embodiment, the extension 133 connected to the cleaning mechanism 13 penetrates the bottom wall of the cavity 126 and is connected to the abutment 132 disposed inside the cavity 126. This design extends the mounting and fixing point between the cleaning mechanism 13 and the second connecting member 12 into the cavity 126, thereby making full use of the spatial depth of the cavity 126 in the height direction. Meanwhile, the lead screw 1421 is disposed in the cavity 126 along the length direction of the second connector 12, and the extension 133 is located below the lead screw 1421 and is provided with a clearance groove 1331 for the lead screw 1421 to pass through. This structure can realize the spatial overlap of the lead screw 1421 and the extension 133 in the height direction, effectively reducing the stacking thickness of the two in the height direction. Therefore, this layout can reduce the overall height space occupied at the connection position of the lead screw 1421 and the extension 133, thereby providing favorable support for the thinner thickness design of the whole machine.

[0225] The cleaning component 131 moves between the inward position and the outward position by sliding the second connector 12 relative to the first connector 11. During this process, if the cleaning component 131 collides with an obstacle (such as a furniture leg or a wall protrusion), the second connector 12 may be subjected to abnormal external force, causing its installation position to shift or even completely stop sliding. When the second connector 12 has stopped sliding relative to the first connector 11, if the first drive member 141 continues to run, the transmission system will bear a continuously accumulating reverse load. This will not only cause the motor to stall and abnormal wear of the transmission components, but may also cause permanent damage to the drive mechanism 14, seriously affecting the reliability and service life of the product.

[0226] Based on this, please refer to Figures 24 and 26. The present invention provides a cleaning device 100, which includes: a frame 10, a first connector 11, a second connector 12, a cleaning mechanism 13, a drive mechanism 14, and an elastic member 161.

[0227] The first connector 11 is fixedly connected to the frame 10, and the second connector 12 is slidably installed on the first connector 11. The cleaning mechanism 13 includes a cleaning member 131, which is installed on the second connector 12 and moves in conjunction with the second connector 12 so that the cleaning member 131 has an inward position and an outward position relative to the frame 10. It should be noted that in this embodiment, the first connector 11,The specific structure and interconnection relationship of the second connecting member 12 and the cleaning mechanism 13 can be referred to the relevant descriptions of the embodiments shown in Figures 5 and 6, and will not be repeated here.

[0228] The driving mechanism 14 includes a first driving member 141 and a first translation component 142. The first driving member 141 is disposed on the first connecting member 11, and the first translation component 142 has a linear moving end. The first driving member 141 is used to drive the first translation component 142 to move, so as to drive the linear moving end to move along the sliding direction of the second connecting member 12.

[0229] The first driving member 141 is installed on the first connecting member 11, and the installation method includes, but is not limited to, fasteners such as bolts for fixed connection. The first driving member 141 is installed on the first connecting member 11 specifically means that the fixed end of the first driving member 141 is installed on the first connecting member 11. The first driving member 141 has a rotating output end that rotates relative to the fixed end. The first driving member 141 can be a drive motor, a hydraulic motor, a combination of a motor and a reducer, etc. Optionally, in this embodiment, the first driving member 141 is a drive motor, and the rotating output end is the output shaft of the drive motor.

[0230] The first translation component 142 includes a power input end and a power output end. The power input end is connected to the rotary output end, and the power output end is the linear moving end mentioned above. The structure of the first translation component 142 can be varied. For example, in one embodiment, the first translation component 142 can adopt a lead screw and nut structure. Its power input end is the lead screw 1421, which is rotatably connected to the first connecting member 11. The lead screw 1421 and the rotary output end are coaxially connected via a coupling. The linear moving end is the nut 1422, which forms a transmission pair with the second connecting member 12 through a threaded engagement. When the drive motor operates, the lead screw 1421 rotates, driving the nut 1422 to slide horizontally relative to the first connecting member 11. In another embodiment, the first translation component 142 is a gear and rack mechanism, where its power input end is a gear fixedly connected to the rotary output end, and the linear moving end is a rack fixedly installed with the second connecting member 12. The gear and rack remain meshed, and the rotation of the gear drives the rack and the second connecting member 12 to move horizontally along the sliding direction.

[0231] Please refer to Figures 15 and 26. The elastic element 161 is disposed between the linear moving end and the second connecting member 12. Specifically, the linear moving end is connected to the second connecting member 12 through the elastic element 161. The elastic element 161 can be a compression spring, a compression sheet, or a structural component made of other elastic materials, etc. This embodiment does not limit the specific type of the elastic element 161. In the first driving member 141 during operation, when the second connecting member 12 slides relative to the first connecting member 11, the linear moving end drives the second connecting member 12 to slide along the first direction through the elastic element 161. When the second connecting member 12 is blocked and stops sliding, the elastic element161 is capable of elastic deformation to allow the linear moving end to move relative to the second connecting member 12 along a first direction. It should be noted that the first direction can be the direction in which the cleaning member 131 moves from the inward position to the outward position, or the direction in which the cleaning member 131 moves from the outward position to the inward position.

[0232] Specifically, when the second connecting member 12 slides normally relative to the first connecting member 11, the elastic member 161 remains in a pre-compressed state, and its rigidity is sufficient to transmit the driving force, so that the system is in an approximately hard-connected state, thereby ensuring that the second connecting member 12 slides along the first direction. When the second connecting member 12 is obstructed and stops sliding, the elastic member 161 undergoes further elastic deformation, so that the linear moving end can continue to move relative to the second connecting member 12 along the first direction.

[0233] In this embodiment, by setting an elastic element 161 between the linear moving end and the second connecting member 12, the automatic adaptation of the transmission system between normal driving and overload protection states is realized: during normal sliding, the pre-compressed elastic element 161 forms an approximately rigid connection, ensuring that the power is efficiently and accurately transmitted to the second connecting member 12; when the second connecting member 12 is obstructed, the elastic element 161 provides a buffer stroke through further deformation, converting the driving kinetic energy into elastic potential energy, which not only avoids the overcurrent damage to the first driving member 141 caused by the sudden increase in load torque, but also delays the time for the system to reach the load limit, thus providing sufficient response time for the control system to identify overload and safely stop the machine, thereby significantly improving the reliability and service life of the entire transmission mechanism while ensuring the accuracy of motion control.

[0234] Simultaneously, when the cleaning component 131 is impacted in the Y1 direction as shown in Figure 26, due to the elastic element 161, the cleaning mechanism 13 can drive the second connecting member 12 to move in the Y1 direction. At this time, the elastic element 161 deforms and stores elastic potential energy, thereby buffering the impact force on the cleaning mechanism 13 in the Y1 direction. This helps reduce the risk of damage to the cleaning mechanism 13 and prevents the impact force from being transmitted to the drive mechanism 14, thus avoiding its damage. When the impact force in the Y1 direction on the cleaning component 131 disappears, the elastic element 161 can release the stored elastic potential energy, pushing the second connecting member 12 to drive the cleaning mechanism 13 to move in the opposite direction to the Y1 direction, so that the cleaning component 131 returns to the outward expansion position before the impact, thereby ensuring that the cleaning operation can proceed normally. It should be noted that the Y1 direction is the direction opposite to the first direction.

[0235] In one embodiment of the present invention, referring to FIG15, when the linear moving end moves along a second direction opposite to the first direction, the linear moving end abuts against the second connecting member 12 and pushes the second connecting member 12 to slide along the second direction. Specifically, along the sliding direction of the second connecting member 12, one side of the linear moving end abuts against the second connecting member 12 through the elastic member 161. When the linear moving end moves along the first direction, the driving force on the linear moving end is transmitted to the second connecting member 12 through the elastic member 161.The connecting piece 12 drives the second connecting piece 12 to move with the linear moving end. The other side of the linear moving end abuts against the end of the second connecting piece 12 without the elastic element 161. When the linear moving end moves along the second direction, the driving force of the linear moving end can be directly transmitted to the second connecting piece 12, realizing the synchronous operation of the second connecting piece 12 with the linear moving end along the second direction.

[0236] In this embodiment, when the linear moving end runs along the second direction, that is, when it returns in the direction opposite to the first direction, the linear moving end can directly push the second connecting piece 12 through rigid abutment. This structure can avoid problems such as return gap, elastic lag or transmission delay that may be caused by the compression deformation of the elastic element 161 during the return process. This rigid transmission mechanism can realize the power transmission from the linear moving end to the second connecting piece 12 without delay, thereby ensuring that the second connecting piece 12 and the cleaning piece 131 it drives can return to the predetermined position quickly and accurately, improving the reset accuracy of the cleaning piece 131 and the real-time response of the return action.

[0237] In one embodiment of the present invention, the first direction is the direction in which the cleaning component 131 moves from the inward position to the outward position, and the second direction is the direction in which the cleaning component 131 moves from the outward position to the inward position. Specification 27 / 50 pages 30 CN 121570088 A

[0238] By setting an elastic transmission in the outward direction (first direction) and a rigid transmission in the inward direction (second direction), the cleaning component 131 is prone to collision with obstacles during the process of the cleaning component 131 moving from the inward position to the outward position. The setting of the elastic component 161 enables it to absorb the impact energy through deformation, effectively protecting the first driving component 141 from rigid impact, thereby improving the operational reliability and service life of the first driving component 141 in complex environments. During the process of the cleaning component 131 moving from the outward expansion position to the inward retraction position, the cleaning component 131 has usually moved away from the obstacle area. At this time, the rigid transmission structure can completely eliminate the problems such as return gap, transmission lag or inaccurate reset that may be caused by the compression deformation of the elastic component 161, ensuring that the cleaning component 131 can quickly and accurately return to the inward retraction position, so as to provide a stable starting point for the next outward expansion movement, thereby ensuring the repeatability accuracy of the cleaning component 131.

[0239] Please refer to Figures 15 and 24. In one embodiment of the present invention, the first translation component 142 includes a lead screw 1421 and a lead screw nut 1422. The lead screw 1421 is rotatably connected to the first connecting member 11 and connected to the rotation output end of the first driving member 141. The lead screw nut 1422 is threadedly engaged with the lead screw 1421 and forms a linear moving end. The nut 1422 abuts against the second connector 12 via the elastic element 161. When the nut 1422 moves along the first direction, the nut 1422 can push the second connector 12 to slide under the pre-pressure of the elastic element 161.

[0240] The lead screw and nut transmission structure has high motion conversion accuracy, which can accurately convert the rotational motion of the first driving member 141 into a stable displacement of the linear moving end, ensuring the accuracy of position control of the second connecting member 12 and the cleaning member 131 during expansion or contraction, and avoiding large sliding errors. At the same time, compared with the conventional gear and rack structure, the lead screw and nut transmission structure can also output a large thrust with a small driving torque, thereby better meeting the resistance requirements that the cleaning member 131 may encounter during extension and retraction.

[0241] Under the requirement of meeting the buffering performance of the elastic member 161, the specific number and position of the elastic member 161 are not limited in the embodiments of the present invention. However, optionally, referring to Figure 15, in one embodiment of the present invention, two elastic members 161 are provided, and along the width direction of the second connecting member 12, the two elastic members 161 are respectively provided on both sides of the lead screw 1421. The width direction of the second connecting member 12 is perpendicular to the sliding direction of the second connecting member 12. The two elastic elements 161 can be symmetrically arranged on both sides of the lead screw 1421, or they can be arranged approximately symmetrically on both sides of the lead screw 1421.

[0242] Elastic elements 161 are arranged on both sides of the lead screw 1421 along the width direction of the second connecting member 12, which enables the second connecting member 12 to be simultaneously subjected to a balanced elastic thrust on both sides in the width direction. This arrangement can effectively improve the motion jamming or component wear problem caused by the off-center load between the linear moving end and the second connecting member 12, thereby improving the smoothness and reliability of the movement of the nut 1422 relative to the second connecting member 12, and at the same time enhancing the timeliness and response speed of the buffering effect of the elastic element 161.

[0243] Although the specific structural type of the elastic element 161 is not limited under the requirement of meeting the buffering performance of the elastic element 161, it is optional, as shown in Figure 15, in one embodiment of the present invention, the elastic element 161 is a compression spring. The compression direction of the compression spring is consistent with the sliding direction of the second connecting member 12. The two ends of the compression spring are respectively connected to the nut 1422 and the second connecting member 12. Because compression springs have small axial dimensions and strong radial adaptability, the limited space on both sides of the lead screw 1421 can be fully utilized for arrangement, which is beneficial to saving installation space. At the same time, as a standard part, compression springs have stable mechanical properties, high fatigue strength, and are easy to purchase and replace, which is beneficial to ensuring product quality consistency and controlling production costs.

[0244] Please refer to Figure 15. In one embodiment of the present invention, the second connecting member 12 is provided with a mounting groove 123. The lead screw nut 1422 and the elastic member 161 are both accommodated in the mounting groove 123. Along the moving direction of the lead screw nut 1422, the mounting groove 123 has a first end wall 1231 and a second end wall 1232 that are arranged opposite to each other. Specifically, along the sliding direction of the second connecting member 12, the second connecting member 12 has a first end wall 1231 and a second end wall 1232 that are arranged opposite to each other.The first end 121 and the second end 122 are provided. The second connecting member 12 includes a mounting groove 123, which is located between the first end 121 and the second end 122.

[0245] The elastic member 161 is disposed between the first end wall 1231 and the nut 1422, and the two ends of the elastic member 161 respectively abut against the first end wall 1231 and the nut 1422. The end of the nut 1422 away from the elastic member 161 abuts against the second end wall 1232. Specifically, when the second connecting member 12 slides along the first direction, the end of the nut 1422 facing the elastic member 161 presses against the elastic member 161 and presses the elastic member 161 tightly against the first end wall 1231. When the second connecting member 12 slides along the second direction, the end of the nut 1422 away from the elastic member 161 abuts against the second end wall 1232.

[0246] In this embodiment, by setting the elastic element 161 between the first end wall 1231 and the nut 1422, and forming an abutment relationship between the other end of the nut 1422 and the second end wall 1232, a stable installation of the elastic element 161, the nut 1422 and the second connector 12 is achieved. When the second connector 12 slides along the first direction, the nut 1422 presses the elastic element 161 to keep the elastic element 161 in abutment with the first end wall 1231. When sliding along the second direction, the nut 1422 directly forms a rigid contact with the second end wall 1232. This built-in installation method has a compact structure and can avoid occupying additional installation space outside the second connector 12, thereby improving the space utilization efficiency of the overall structure and the installation integration between components.

[0247] Please refer to FIG30. In one embodiment of the present invention, the nut 1422 and / or the second connector 12 are provided with a first guide structure 162. The first guide structure 162 is used to guide the nut 1422 to move relative to the second connector 12. The specific type of the first guide structure 162 is not limited. For example, in one embodiment, the first guide structure 162 includes a guide groove or guide rib disposed on the inner wall of the mounting groove 123 of the second connector 12; the corresponding position of the nut 1422 is provided with a guide protrusion or guide groove, the guide protrusion cooperating with the guide groove, or the guide groove cooperating with the guide rib, to limit the large lateral or vertical displacement of the nut 1422 during movement, thereby guiding it to move smoothly relative to the second connector 12 along a preset path. In another embodiment, the first guide structure 162 includes a slider disposed on the outer periphery of the nut 1422 and a guide rail disposed on the inner wall of the mounting groove 123 of the second connector 12. The slider and the guide rail slide in cooperation to limit the large lateral or vertical displacement of the nut 1422 during movement, thereby guiding it to move smoothly relative to the second connector 12 along a preset path.

[0248] In this embodiment, by providing a first guide structure 162 on the nut 1422 and / or the second connector 12, the deflection phenomenon that may occur during the movement of the nut 1422 is effectively limited, thereby reducing the risk of sliding and jamming during the movement of the nut 1422. This design not only improves the smoothness of the sliding of the nut 1422 relative to the second connector 12, but also provides a reliable structural basis for the timely triggering and stable performance of the buffering effect of the elastic element 161.

[0249] Optionally, referring to Figures 29 and 30, in one embodiment of the present invention, the first guide structure includes a guide groove 1621 and a guide block 1622. One of the guide groove 1621 and the guide block 1622 is provided on the second connector 12, and the other is provided on the nut 1422. The guide block 1622 is fitted and installed in the guide groove 1621 so that when the nut 1422 moves relative to the second connector 12, it slides along the guide groove 1621.

[0250] In one embodiment, referring to Figures 30 and 31, the guide groove 1621 is disposed on two opposite sidewalls in the width direction of the mounting groove 123. The guide groove 1621 can be a rectangular groove, a trapezoidal groove, a V-shaped groove, etc. The guide block 1622 is correspondingly disposed on two sidewalls in the width direction of the nut 1422. The guide block 1622 on each side corresponds to the guide groove 1621 on the same side, and the guide block 1622 is slidably engaged in the guide groove 1621. When the nut 1422 moves relative to the second connector 12, the guide block 1622 slides along the guide groove 1621.

[0251] In another embodiment, the guide block 1622 is disposed on two opposite sidewalls in the width direction of the mounting groove 123, and the guide groove 1621 is correspondingly disposed on two sidewalls in the width direction of the nut 1422. This arrangement can also achieve the beneficial effects of the above embodiments.

[0252] In other embodiments, guide grooves 1621 and guide blocks 1622 are respectively provided on two opposite sidewalls in the width direction of the mounting groove 123, and guide blocks 1622 and guide grooves 1621 are respectively provided on two sidewalls in the width direction of the nut 1422. The guide grooves 1621 on the nut 1422 are slidably engaged with the guide blocks 1622 on the mounting groove 123, and the guide blocks 1622 on the nut 1422 are slidably engaged with the guide grooves 1621 on the mounting groove 123. This arrangement can also achieve the beneficial effect of the above embodiments. (Pages 29 / 50, CN 121570088 A)

[0253] The first guide structure 162 adopts a combination of guide groove 1621 and guide block 1622. The guide groove 1621 provides a movement trajectory for the guide block 1622, which can effectively limit the deflection or vertical movement of the nut 1422 during movement, ensuring that the nut 1422 always slides smoothly relative to the second connector 12 along the preset path. At the same time, the guide groove 1621 and guide block 1622...The combined structure of block 1622 also features simple structure, convenient processing, and efficient assembly, which helps to control manufacturing costs and ensure product assembly efficiency.

[0254] Please refer to Figures 15, 32, and 33. In one embodiment of the present invention, the nut 1422 and / or the second connector 12 are provided with a second guide structure 163. The second guide structure 163 is used to guide the elastic member 161 to undergo elastic deformation along the moving direction of the nut 1422 when the nut 1422 moves. In this embodiment, the specific type of the second guide structure 163 is not limited. For example, in one embodiment, the second guide structure 163 includes a guide post disposed at the end of the nut 1422 facing the elastic member 161, and the elastic member 161 is sleeved on the outside of the guide post. The mounting groove 123 of the second connector 12 is provided with a guide hole corresponding to the first end wall 1231. When the guide post moves with the nut 1422, it partially extends into the guide hole. This structure ensures that the elastic element 161 always deforms along the moving direction of the nut 1422 during compression, preventing it from bending or becoming unstable. In another embodiment, the second guide structure 163 includes a guide portion disposed on the nut 1422, which passes through the inner hole of the elastic element 161 and can slide within the guide hole disposed on the end wall of the mounting groove 123.

[0255] By providing the second guide structure 163, the second guide structure 163 can constrain the deformation path of the elastic element 161, reducing the probability of the elastic element 161 bending, deflecting or becoming unstable when subjected to force. This ensures that the elastic element 161 can produce a reliable and consistent buffering action each time it is overloaded, thereby improving the accuracy and controllability of the overload protection function. At the same time, the second guide structure 163 can guide the elastic element 161 to deform uniformly along a preset direction, thereby reducing local stress concentration caused by uneven loading or bending, effectively reducing fatigue damage to the elastic element 161, and helping to extend the service life of the elastic element 161.

[0256] Referring to Figures 31 to 33, in one embodiment of the present invention, the second guide structure 163 includes a first slot 1631 and a second slot 1632. The first slot 1631 is disposed on the side of the nut 1422 facing the first end wall 1231, and the second slot 1632 is disposed on the side of the first end wall 1231 facing the nut 1422. The two ends of the elastic member 161 are respectively accommodated in the first slot 1631 and the second slot 1632. When the elastic member 161 undergoes elastic deformation, the two ends of the elastic member 161 slide along the first slot 1631 and the second slot 1632, respectively. The first slot 1631 and the second slot 1632 can be a cylindrical groove structure, a rectangular groove structure, or a U-shaped groove structure, etc. This embodiment is not limited to this.

[0257] By providing a first slot 1631 and a second slot 1632, the first slot 1631 and the second slot 1632 can together form a guide channel, and the two ends of the elastic member 161 are respectively constrained in the two slots. (The last sentence appears to be incomplete and unrelated to the preceding text. It likely refers to a connection between a nut 1422 and a second connector.)When component 12 moves and compresses elastic component 161, both ends of elastic component 161 can slide along the first slot 1631 and the second slot 1632 respectively. Therefore, the first slot 1631 and the second slot 1632 can limit the deformation path of elastic component 161 to be along the moving direction of nut 1422, thereby improving the radial displacement, bending or instability of elastic component 161 during the force process, and ensuring that elastic component 161 plays a stable and controllable buffering role.

[0258] Please refer to Figures 31 to 33. In one embodiment of the present invention, the second guide structure 163 includes a first protrusion 1633 disposed on nut 1422 and a second protrusion 1634 disposed on the first end wall 1231. The first protrusion 1633 and the second protrusion 1634 are disposed opposite to each other, and both ends of elastic component 161 are respectively inserted and connected to the first protrusion 1633 and the second protrusion 1634. The specific structure of the first protrusion 1633 and the second protrusion 1634 is not limited, and can be prismatic, cylindrical, etc. Further, when the nut 1422 is provided with the first slot 1631, the first protrusion 1633 is disposed in the first slot 1631. When the first end wall 1231 is provided with the second slot 1632, the second protrusion 1634 is disposed in the second slot 1632. Specification 30 / 50 pages 33 CN 121570088 A

[0259] By providing the opposite first protrusion 1633 and second protrusion 1634, and inserting the two ends of the elastic member 161 into the first protrusion 1633 and the second protrusion 1634 respectively, an effective radial constraint can be formed on the elastic member 161. This structure can limit the elastic member 161 from large radial movement or large positional displacement during operation, and can also prevent the elastic member 161 from accidentally coming out of the installation position during vibration or reset.

[0260] It should be noted that, in the embodiments of the present invention, the guide structure formed by the first slot 1631 and the second slot 1632, and the insertion limiting structure formed by the first protrusion 1633 and the second protrusion 1634, can be implemented independently or used in combination. When the two are used in combination, they can simultaneously provide axial sliding guidance and radial displacement constraint for the elastic member 161, thereby improving the stability and reliability of the elastic member 161 in multiple directions and enhancing the uniformity and controllability of the buffering effect. Those skilled in the art can flexibly select or combine the above-mentioned guiding and limiting methods according to the specific structural layout and functional requirements to adapt to the guiding effect of the deformation of the elastic member 161 under different working conditions.

[0261] Since the movement of the cleaning member 131 between the inward position and the outward position depends on the sliding of the second connecting member 12 on the first connecting member 11, frictional resistance will inevitably be generated between the two connecting members during this sliding process. If this frictional resistanceExcessive size will directly lead to increased drive load, not only increasing energy consumption but also easily causing significant noise during operation, thereby affecting the overall user experience of the equipment.

[0262] To improve the above problems, the present invention provides a cleaning device 100, which includes a frame 10, a first connector 11, a second connector 12, a cleaning mechanism 13, a drive mechanism 14, and a first protrusion structure 171.

[0263] The first connector 11 is fixedly installed on the frame 10 and is provided with a sliding cavity 111. The second connector 12 is installed in the sliding cavity 111 and slides along the sliding cavity 111. The cleaning mechanism 13 includes a cleaning component 131, which is installed on the second connector 12 and moves in conjunction with the second connector 12, so that the cleaning component 131 has an inward position and an outward position relative to the frame 10.

[0264] The driving mechanism 14 is used to drive the second connecting member 12 to slide within the sliding cavity 111, so that the cleaning member 131 can move between the inward position and the outward position through the sliding of the second connecting member 12.

[0265] It should be noted that the specific structure and interconnection relationship of the first connecting member 11, the second connecting member 12, the cleaning mechanism 13 and the driving mechanism 14 in this embodiment can be referred to the relevant descriptions in the embodiments shown in Figures 5 and 6, and will not be repeated here.

[0266] Referring to Figures 32 and 34, the first protrusion structure 171 is disposed on at least one inner wall of the sliding cavity 111 and / or at least one outer wall of the second connecting member 12. During the sliding of the second connecting member 12 along the sliding cavity 111, at least one inner wall of the sliding cavity 111 can abut against at least one outer wall of the second connecting member 12 through the first protrusion structure 171. The first protrusion structure 171 can be a part of the inner wall of the sliding cavity 111 or the outer wall of the second connecting member 12, for example, it can be a protruding point structure, a protruding strip structure, etc. The first protrusion structure 171 may also be a rolling element structure rotatably mounted on the inner wall of the sliding cavity 111 or the outer wall of the second connector 12.

[0267] In one embodiment, the first protrusion structure 171 is only provided on at least one inner wall of the sliding cavity 111. For example, it may be provided on the bottom wall and / or a pair of opposing side walls of the sliding cavity 111, and the outer wall of the second connector 12 abuts against the first protrusion structure 171.

[0268] In another embodiment, the first protrusion structure 171 is only provided on at least one outer wall of the second connector 12. Specifically, the first protrusion structure 171 may be provided on the outer surface of the second connector 12 that slides relative to the inner wall of the sliding cavity 111 (e.g., the bottom wall and / or side wall of the sliding cavity 111). When the second connector 12 slides in the sliding cavity 111, the first protrusion structure 171 provided on the outer wall of the second connector 12 abuts against the corresponding inner wall of the sliding cavity 111.

[0269] In some other embodiments, multiple first protrusion structures 171 are provided, some of which are located in the sliding cavity 111.The inner wall is partially disposed on the outer wall of the second connector 12. When the second connector 12 slides in the sliding cavity 111, the first protrusion structure 171 disposed on the outer wall of the second connector 12 (page 31 / 50 of the specification, CN 121570088 A) abuts against the corresponding inner wall of the sliding cavity 111, and the first protrusion structure 171 disposed on the inner wall of the sliding cavity 111 abuts against the corresponding outer wall of the second connector 12.

[0270] By providing the first protrusion structure 171 between the sliding cavity 111 on the second connector 12 and the first connector 11, the large-area contact that may have occurred between the outer wall of the second connector 12 and the inner wall of the sliding cavity 111 can be transformed into a local surface contact (including multiple spaced local surface contacts or point contacts), thereby optimizing the stress distribution and friction state at the contact interface. Under the same load conditions, this structure can reduce the frictional resistance generated during the sliding of the second connector 12, thereby reducing the driving load of the drive mechanism 14 and reducing the operating energy consumption of the drive mechanism 14. Meanwhile, the reduction in frictional resistance can also suppress vibration and noise problems caused by high frictional resistance, improving the quietness of the cleaning device 100 and the user experience. In addition, the first protrusion structure 171, through reasonable layout, can reduce friction and enhance the operational stability of the second connector 12 relative to the sliding cavity 111, thereby helping to ensure the smooth operation of the cleaning component 131 between the inward and outward positions and reducing the phenomenon of sliding jamming.

[0271] Please refer to Figures 32, 34 and 35. In one embodiment of the present invention, the second connector 12 includes a first bottom wall 1262 and two first side walls 1261, which are respectively connected to both sides of the width direction of the first bottom wall 1262. The extension direction of the two first side walls 1261 is consistent with the sliding direction of the second connector 12. Multiple first protrusion structures 171 are provided, some of which are provided on the two first side walls 1261 and others are provided on the first bottom wall 1262. The sliding cavity 111 includes a second bottom wall 1114 and two second side walls 1113, which are respectively connected to both sides of the second bottom wall 1114 in the width direction. The extending direction of the two second side walls 1113 is consistent with the sliding direction of the second connector 12.

[0272] During the sliding process of the second connector 12 along the sliding cavity 111, the second bottom wall 1114 abuts against the first protrusion structure 171 located on the first bottom wall 1262, and the second side walls 1113 abut against the first protrusion structure 171 located on the first side wall 1261.

[0273] Of course, in another embodiment, the first protrusion structure 171 may only be provided on the outer walls of the two first side walls 1261. During the sliding process of the second connector 12 along the sliding cavity 111, the second side walls 1113 abut against the first protrusion structure 171 located on the first side wall 1261.The first protruding structure 171 abuts against the first. In other embodiments, the first protruding structure 171 may only be provided on the outer wall of the first bottom wall 1262. During the sliding process of the second connector 12 along the sliding cavity 111, the second bottom wall 1114 abuts against the first protruding structure 171 located on the first bottom wall 1262.

[0274] In this embodiment, by providing the first protruding structure 171 on the first bottom wall 1262 and / or the first side wall 1261 of the second connector 12, this arrangement facilitates the maintenance and assembly of the first protruding structure 171. Specifically, in terms of maintenance, when the first protruding structure 171 needs to be replaced or repaired due to long-term wear, the independent second connector 12 can be operated directly without disassembling the fixed sliding cavity 111, thus reducing the later maintenance cost and time of the first protruding structure 171. In terms of assembly, this structure allows operators to visually observe the position and status of the first protrusion 171, facilitating rapid alignment and installation in an open space and avoiding delicate operations within the narrow sliding cavity 111, thereby improving assembly efficiency.

[0275] Referring to Figure 35, in one embodiment of the present invention, the first protrusion 171 is rotatably connected to the outer wall of the second connector 12. When the second connector 12 slides along the sliding cavity 111, the first protrusion 171 can roll along the inner wall of the sliding cavity 111. Since the first protrusion 171 is rotatably connected to the outer wall of the second connector 12, when the second connector 12 slides within the sliding cavity 111, the first protrusion 171 can roll along the inner wall of the sliding cavity 111, thereby converting the sliding friction between the sliding interfaces into rolling friction. This change in friction type can significantly reduce the frictional resistance during the sliding process of the second connector 12, thereby reducing the operating noise and driving energy consumption of the cleaning equipment 100.

[0276] It should be noted that in different embodiments of the present invention, the first protrusion structure 171 may have different implementation forms, and its installation method on the second connector 12 will also vary accordingly. In one embodiment, the first protrusion structure 171 is a roller. Specifically, an installation shaft is provided on the outer wall of the second connector 12, and the roller is rotatably mounted on the installation shaft through a bearing or bushing. When the second connector 12 slides in the sliding cavity 111, the roller can roll along the inner wall of the sliding cavity 111. In another embodiment, the first protrusion structure 171 is a ball. Specifically, a bowl-shaped seat is provided on the outer wall of the second connector 12, and the ball is partially housed in the bowl-shaped seat and can rotate freely, with its spherical portion protruding from the outer wall surface of the second connector 12. During the sliding process, the ball can roll along the inner wall of the sliding cavity 111.

[0277] Referring to Figures 36 and 37, in one embodiment of the present invention, the first protrusion structure 171 includes a first rolling element 1711.The first rolling element 1711 is rotatably mounted on the first mounting shaft 1712, and the first mounting shaft 1712 is fixedly mounted on the second connecting member 12.

[0278] The first rolling element 1711 can be a roller, a roller, or a bearing ring, etc. The outer surface of the first rolling element 1711 can be designed as a cylindrical surface, a spherical surface, or an arc surface as needed to adapt to different inner wall contours and force requirements of the sliding cavity 111. The fixing method between the first mounting shaft 1712 and the second connecting member 12 includes, but is not limited to, press-fit fixing, thread fastening, or snap-fit ​​installation. In actual products, the method can be flexibly selected according to the specific structure and production process of the second connecting member 12. In order to further optimize the friction performance, in some embodiments, a rolling bearing or a sliding bearing can also be provided between the first rolling element 1711 and the first mounting shaft 1712, or a wear-resistant coating or a low-friction material layer can be added to the outer surface of the first rolling element 1711.

[0279] This embodiment, by setting a combined structure of the first mounting shaft 1712 and the first rolling element 1711, provides a clear mounting reference and positioning support for the first rolling element 1711. During assembly, simply fitting the first rolling element 1711 onto the first mounting shaft 1712 quickly completes the positioning, effectively avoiding alignment deviations that may occur when multiple independent rolling elements are installed separately, thus improving assembly efficiency and accuracy. On the other hand, when the first rolling element 1711 needs to be replaced due to long-term wear, only the worn first rolling element 1711 needs to be replaced individually, without replacing the entire second connecting piece 12 or the first mounting shaft 1712. Therefore, this reduces the maintenance cost of the first protruding structure 171 during long-term use.

[0280] Referring to Figures 36 and 37, in one embodiment of the present invention, a first groove 1713 is provided on the outer wall of the first sidewall 1261 and / or the first bottom wall 1262. A first mounting shaft 1712 is fixedly mounted on the wall of the first groove 1713. A first rolling element 1711 is accommodated in the first groove 1713 and at least partially protrudes to the outside of the first groove 1713 to roll along the inner wall of the sliding cavity 111. Specifically, when the first protrusion structure 171 is provided on the first sidewall 1261, the first sidewall 1261 is correspondingly provided with the first groove 1713 to accommodate the first rolling element 1711 provided on the first sidewall 1261. When the first protrusion structure 171 is provided on the first bottom wall 1262, the first sidewall 1261 is correspondingly provided with the first groove 1713 to accommodate the first rolling element 1711 provided on the first bottom wall 1262. The specific structure of the first groove 1713 is not limited. For example, it can be a rectangular groove, a U-shaped groove, etc., as long as it can accommodate the first rolling element 1711 and enable the first rolling element 1711 to rotate normally within the first groove 1713.

[0281] In this embodiment, by providing the first groove 1713, an effective installation and accommodating space can be provided for the first mounting shaft 1712 and the first rolling element 1711, allowing the first rolling element 1711 to be embedded inside the wall of the second connector 12. This layout can reduce the installation size occupied by the first protrusion structure 171 in the width direction of the sliding cavity 111, thereby facilitating the compact design of the structure.

[0282] In one embodiment of the present invention, the first side wall 1261 and / or the first bottom wall 1262 are provided with mounting holes 1714, and the first mounting shaft 1712 is fixedly installed in the mounting holes 1714. The first mounting shaft 1712 has a ribbed structure 17121 on its outer peripheral surface at a position corresponding to the mounting hole 1714, or the mounting hole 1714 has a ribbed structure 17121 on its hole wall. Specifically, when the first protrusion structure 171 is provided on the first side wall 1261, the mounting hole 1714 is provided on the first side wall 1261. When the first protruding structure 171 is disposed on the first bottom wall 1262, the mounting hole 1714 is disposed on the first bottom wall 1262.

[0283] The specific forming method and specific shape of the prism structure 17121 can be selected in various ways. For example, the prism structure specification 33 / 50 pages 36 CN 121570088 A 17121 can be a straight knurled knurling extending along the axial direction, forming uniformly distributed axial stripes on the shaft surface or hole wall by a rolling process. The prism structure 17121 can also be a mesh knurling composed of intersecting oblique lines, forming a uniformly distributed diamond-shaped protrusion pattern. The prism structure 17121 can also be a randomly distributed concave and convex texture formed by sandblasting, etching or sintering.

[0284] In one embodiment, the first mounting shaft 1712 is provided with a prism structure 17121 on the outer peripheral surface that mates with the mounting hole 1714, and the hole wall of the mounting hole 1714 is a smooth surface. The prism structure 17121 increases the surface roughness and friction coefficient of the shaft, enabling the first mounting shaft 1712 to form an interference fit after being pressed into the mounting hole 1714, thereby achieving a reliable fixed connection. In another embodiment, the prism structure 17121 is provided on the wall of the mounting hole 1714, and the outer peripheral surface of the first mounting shaft 1712 is a smooth surface. This design achieves a squeezing and interlocking effect between the prism structure 17121 on the hole wall and the shaft surface, which also enables the first mounting shaft 1712 to be firmly fixed in the mounting hole 1714.

[0285] By providing the prism structure 17121 on the outer peripheral surface of the first mounting shaft 1712 at the position corresponding to the mounting hole 1714 or on the wall of the mounting hole 1714, the bonding strength between the first mounting shaft 1712 and the mounting hole 1714 can be enhanced, effectively resisting the rotational torque and axial force generated during use, thereby improving the stability of the fixed connection between the first mounting shaft 1712 and the mounting hole 1714.

[0286] Provided that the second connecting member 12 slides smoothly relative to the sliding cavity 111, the present invention does not limit the specific outer contour surface shape of the first rolling element 1711. For example, the first rolling element 1711 may adopt a cylindrical outer contour surface with a uniform diameter or an approximately drum-shaped outer contour surface with inconsistent diameters.

[0287] Optionally, referring to FIG37, in one embodiment of the present invention, the outer contour surface of the first rolling element 1711 is a convex, continuous, smooth curved surface. Along the axial direction of the first rolling element 1711, the outer diameter of the middle part of the first rolling element 1711 is larger than the outer diameter of both ends of the first rolling element 1711. Specifically, along the axial direction of the first rolling element 1711, the outer diameter of the middle part of the first rolling element 1711 is larger than the outer diameter of both ends of the first rolling element 1711, forming a drum-shaped contour structure. The drum-shaped profile design allows the first rolling element 1711 to form a central contact or near-point contact with the inner wall of the sliding cavity 111. This not only helps to further reduce rolling friction resistance, but also allows for adaptive adjustment of the contact position when the second connecting member 12 is slightly misaligned, thereby effectively improving the smoothness and stability of the sliding process and further reducing the risk of jamming.

[0288] Referring to Figures 14 and 36, in one embodiment of the present invention, the second connecting member 12 is provided with a cavity 126, and two first sidewalls 1261 form two sidewalls of the cavity 126 in the width direction. The width direction of the cavity 126 is perpendicular to the sliding direction of the second connecting member 12. A thickened portion 1263 is provided on the inner wall of each of the two first sidewalls 1261. The thickened portion 1263 can be used to enhance the structural strength of the first sidewall 1261. The thickened portion 1263 can be a protrusion structure partially provided along the inner wall surface of the first sidewall 1261, or a wall structure that is thickened along the first sidewall 1261 as a whole. Both first sidewalls 1261 are provided with first grooves 1713 to accommodate the first rolling element 1711. Along the width direction of the cavity 126, from the outer side to the inner side of the first sidewall 1261, the first groove 1713 penetrates the first sidewall 1261 and extends into the interior of the thickened portion 1263.

[0289] In this embodiment, the thickened portion 1263 increases the local wall thickness of the first sidewall 1261, making the first groove 1713 have a greater depth, thereby accommodating the first rolling element 1711 with a larger diameter. This reduces the limitation of the thickness of the first sidewall 1261 on the size of the rolling element, and also provides a more stable mounting support for the first mounting shaft 1712. In addition, since the thickened portion 1263 located on the inner wall of the cavity 126 can effectively enhance the local strength of the first sidewall 1261 without increasing the external contour size, this structure can also function as a built-in reinforcing rib, thereby improving the overall stiffness and load-bearing capacity of the second connector 12 in the width direction.

[0290] Referring to Figures 35 and 36, in one embodiment of the present invention, the first protrusion structure 171 includes a first protrusion unit.The first protruding unit 1715 and the second protruding unit 1716 are provided on both first sidewalls 1261, and the positions of the first protruding units 1715 on the two first sidewalls 1261 are symmetrical. The number of first protruding units 1715 on the first sidewalls 1261 is not limited, for example, there can be two or more. Optionally, in this embodiment, each first sidewall 1261 is provided with two first protruding units 1715, and the two first protruding units 1715 are respectively provided at both ends of the length direction of the first sidewall 1261. The first bottom wall 1262 is provided with multiple sets of second protruding units 1716, which are symmetrically arranged on the first bottom wall 1262 along the width direction of the second connector 12. The number of second protruding units 1716 on the first bottom wall 1262 is also not limited, for example, there can be two, four or more. Optionally, in this embodiment, four second protruding units 1716 are provided on the first bottom wall 1262, and the four second protruding units 1716 are symmetrically arranged along the width direction of the second connector 12.

[0291] By symmetrically arranging the first protruding units 1715 on the two first side walls 1261, the lateral force borne by the second connector 12 in the width direction can be effectively balanced, avoiding unilateral wear or sliding jamming caused by uneven force. At the same time, symmetrically arranging multiple sets of second protruding units 1716 on the first bottom wall 1262 can make the load in the vertical direction evenly distributed and prevent local stress concentration. This symmetrical layout structure adopted in multiple directions is beneficial to improving the overall stability of the second connector 12 during the sliding process.

[0292] In order to meet the needs of aesthetics, dust prevention and internal protection, a cover plate 112 is usually provided on the first connector 11 to cover the opening 1111 of its sliding cavity 111. However, due to space limitations, the gap between the second connecting member 12 moving within the sliding cavity 111 and the inner surface of the cover plate 112 is usually small. During the operation of the cleaning equipment 100, the second connecting member 12 and its connected components (such as the linear moving end of the drive mechanism) are prone to unexpected shaking due to factors such as vibration of the whole machine or collisions during the operation of the cleaning component 131, causing the component to come into contact with or even rub against the upper cover plate 112 during the telescopic movement. Long-term interference and friction will cause a series of problems: not only will it increase the operating load of the drive mechanism 14, leading to increased motor energy consumption or premature wear of components, but it will also cause wear on the surface of the second connecting member 12 and / or the cover plate 112, forming scratches or even generating abrasive debris. The above problems not only affect the smoothness of movement and cleaning effect, but also reduce the structural reliability and service life of the whole machine.

[0293] In order to solve the above problems, the present invention provides a cleaning equipment 100, which includes a frame 10,The components are: a first connecting member 11, a cover plate 112, a second connecting member 12, a cleaning mechanism 13, a driving mechanism 14, and a second protruding structure 172.

[0294] The first connecting member 11 is fixedly connected to the frame 10 and has a sliding cavity 111. The sliding cavity 111 has an opening 1111 on the side opposite to the cleaning mechanism 13. The cover plate 112 is fixedly connected to the first connecting member 11 and the frame 10 and covers the opening 1111 of the sliding cavity 111. The cover plate 112 is fixed to the first connecting member 11 by fasteners such as bolts. The first connecting member 11 can be directly fixedly connected to the frame 10 or indirectly fixedly connected to the frame 10 through the cover plate 112.

[0295] The second connecting member 12 is disposed in the sliding cavity 111 and slides along the sliding cavity 111. The cleaning mechanism 13 includes a cleaning component 131, which is mounted on the second connector 12 and moves in conjunction with the second connector 12, so that the cleaning component 131 has an inward position and an outward position relative to the frame 10. It should be noted that the specific structural descriptions of the first connector 11, the second connector 12 and the cleaning mechanism 13 can be found in the relevant descriptions of the embodiments shown in Figures 5 and 6, and will not be repeated here.

[0296] The driving mechanism 14 includes a first driving component 141 and a first translation component 142. The first driving component 141 is disposed on the first connector 11, and the first translation component 142 has a linear moving end, which is connected to the second connector 12. The first driving component 141 may be a motor, a combination of a motor and a reducer, etc., and the first translation component 142 may be a combination structure of a lead screw and nut, a combination structure of a gear and rack, etc. The first driving component 141 has a rotary output end, and the power output end of the first translation component 142 is connected to the rotary output end, forming a linear moving end. The first driving member 141 is used to drive the linear moving end to move, thereby moving the second connecting member 12 and realizing the operation of the cleaning member 131 between the inward position and the outward position. In this embodiment, the outward position may include only one outward position or multiple outward positions, such as the first outward position, the second outward position or the third outward position in the aforementioned embodiment. Specification 35 / 50 pages 38 CN 121570088 A

[0297] Please refer to Figures 29, 30 and 31. The second protruding structure 172 is disposed on the surface of the second connecting member 12 facing the cover plate 112 and / or on the surface of the linear moving end facing the cover plate 112. The second connecting member 12 and / or the linear moving end can abut against the cover plate 112 through the second protruding structure 172.

[0298] Specifically, in one embodiment, the second protrusion structure 172 is disposed on the surface of the second connector 12 facing the cover plate 112, and the second connector 12 can be connected to the surface of the cover plate 112 facing the sliding cavity 111 through the second protrusion structure 172.In another embodiment, the second protrusion structure 172 is disposed on the surface of the linear moving end facing the cover plate 112, and the linear moving end can abut against the surface of the cover plate 112 facing the sliding cavity 111 through the second protrusion structure 172. In other embodiments, there may be multiple second protrusion structures 172, some of which are disposed on the surface of the second connecting member 12 facing the cover plate 112, and other parts are disposed on the surface of the linear moving end facing the cover plate 112.

[0299] The second protrusion structure 172 may be a protrusion point structure, protrusion strip structure, etc., fixedly connected to the second connecting member 12 or the linear moving end. The first protrusion structure 171 may also be a rolling element structure, etc., rotatably mounted on the second connecting member 12 or the linear moving end.

[0300] It should be noted that when the second connecting member 12 and the linear moving end are running normally along the sliding cavity 111, the second protrusion structure 172 and the cover plate 112 are usually in a non-contact state, that is, the second protrusion structure 172 does not abut against the cover plate 112. The second protruding structure 172 may only abut against the cover plate 112 when the second connecting member 12 or the linear moving end experiences abnormal fluctuations in height due to shaking, thereby limiting further movement of the second connecting member 12 or the linear moving end in the height direction.

[0301] In this embodiment, by setting the second protruding structure 172 and arranging it on the surface of the second connecting member 12 and / or the linear moving end facing the cover plate 112, the large-area surface contact friction that is prone to occur during shaking is transformed into local point contact or line contact. When unexpected shaking occurs, the top of the second protruding structure 172 abuts against the inner surface of the cover plate 112, thereby significantly reducing the frictional resistance between the cover plate 112 and the second connecting member 12 or the linear moving end, and reducing the wear degree of each component surface. The decrease in frictional resistance also correspondingly reduces the operating load of the drive mechanism 14, avoiding the increase in motor energy consumption and early wear of components caused by friction, and ensuring the long-term stable operation of the drive system. Meanwhile, the second protrusion structure 172 also serves as a limiting reference, effectively restricting abnormal movement and swaying of the second connector 12 and / or the linear moving end in the sliding cavity 111 along the height direction (i.e., perpendicular to the sliding direction). This limiting effect makes the movement trajectory of the second connector 12 more stable during the sliding process, reducing the probability of jamming due to swaying or jumping, and further improving the reliability of the equipment operation.

[0302] Please refer to Figures 26 and 35. In one embodiment of the present invention, an elastic element 161 is also provided between the linear moving end and the second connector 12. During the operation of the first driving member 141, when the second connector 12 slides relative to the first connector 11, the linear moving end drives the second connector 12 to slide along the first direction through the elastic element 161. When the second connector 12 is blocked and stops sliding, the elastic element 161 can undergo elastic deformation to allow the linear moving end to slide along the first direction relative to the second connector 12.The second protruding structure 172 is disposed on the surface of the linear moving end facing the cover plate 112.

[0303] The elastic element 161 may be a compression spring, a compression sheet, or a structural component made of other elastic materials, etc. In this embodiment, the specific type of the elastic element 161 is not limited. During the operation of the first driving member 141, when the second connecting member 12 slides relative to the first connecting member 11, the linear moving end drives the second connecting member 12 to slide along the first direction through the elastic element 161. When the second connecting member 12 is blocked and stops sliding, the elastic element 161 can undergo elastic deformation to allow the linear moving end to move relative to the second connecting member 12 along the first direction. It should be noted that the first direction may be the direction in which the cleaning member 131 moves from the inward position to the outward position, or it may be the direction in which the cleaning member 131 moves from the outward position to the inward position.

[0304] Specifically, when the second connector 12 slides normally relative to the first connector 11, the elastic element 161 remains in a pre-compressed state, and its rigidity is sufficient to transmit the driving force, so that the system is in an approximately hard-connected state, thereby ensuring that the second connector 12 slides along the first direction. When the second connector 12 is blocked and stops sliding, the elastic element 161 undergoes further elastic deformation, so that the linear moving end can continue to move relative to the second connector 12 along the first direction.

[0305] In this embodiment, the second protrusion structure 172 is only provided on the surface of the linear moving end facing the cover plate 112. In other embodiments, the second protrusion structure 172 may also be provided on the surface of the linear moving end facing the cover plate 112, while the second connector 12 also has a second protrusion structure 172 on the surface of the second connector 12 facing the cover plate 112.

[0306] In this embodiment, a second protruding structure 172 is provided on the side of the linear moving end facing the cover plate 112. This configuration has two advantages: First, when the second connecting member 12 slides in the sliding cavity 111 and experiences significant shaking, the top of the second protruding structure 172 will form a partial abutment with the inner surface of the cover plate 112, thereby transforming the potential large-area friction into a controllable local contact, significantly reducing frictional resistance and alleviating wear on the surfaces of each component. Second, during the movement of the linear moving end relative to the second connecting member 12, this structure not only reduces the frictional resistance generated during their relative movement but also effectively limits the displacement of the linear moving end in the height direction. By maintaining the stability of the relative motion trajectory, it provides reliable spatial constraints for the normal compression and rebound of the elastic member 161, ultimately ensuring the stable performance of the elastic buffer function.

[0307] Referring to FIG26, in one embodiment of the present invention, the first translation component 142 includes a lead screw 1421 and a lead screw nut 1422. The lead screw 1421 is rotatably connected to the first connecting member 11 and connected to the rotation output end of the first driving member 141. The lead screw nut 1422 is connected to the lead screw nut 1422.The rod 1421 is threaded and forms a linear moving end. The elastic element 161 is disposed between the screw nut 1422 and the second connecting member 12. The specific arrangement structure of the screw 1421 and the screw nut 1422 on the first connecting member 11 and the connection structure between them and the first driving member 141 can be referred to the relevant description in the foregoing embodiments, and will not be repeated here.

[0308] Since the transmission structure of the screw and screw nut itself has the characteristics of smooth movement and high transmission accuracy, it can effectively reduce the equipment vibration caused by unstable transmission or thrust fluctuation compared with the gear and rack transmission structure, thereby helping to reduce the probability of abnormal shaking of the linear moving end during sliding. Furthermore, it can effectively reduce the possibility of unexpected contact between the linear moving end and the cover plate 112, reduce wear, noise and running resistance caused by contact friction from the root, and ultimately help to improve the transmission efficiency of the first translation component 142 and extend the service life of related operating components.

[0309] Please refer to FIG32. In one embodiment of the present invention, the nut 1422 is provided with a thread hole 14221 for the lead screw 1421 to pass through and form a threaded engagement. A second protrusion structure 172 is provided on both sides of the thread hole 14221. Specifically, the second protrusion structure 172 is provided on the wall of the nut 1422 facing the cover plate 112. There may be two or more second protrusion structures 172. Optionally, in this embodiment, there are two second protrusion structures 172. Along the width direction of the sliding cavity 111, the two second protrusion structures 172 are symmetrically arranged on both sides of the extension direction of the thread hole 14221.

[0310] Since the second protrusion structure 172 is provided on both sides of the thread hole 14221, the second protrusion structure 172 provided on both sides can form a stable double-sided support during the operation of the nut 1422. When the lead screw 1421 generates radial backlash or uneven force, this structure can effectively suppress the wobble tendency of the lead nut 1422 and prevent the transmission accuracy from decreasing due to unilateral tilting, thereby ensuring that the lead screw 1421 and the lead nut 1422 can maintain a better meshing state.

[0311] Please refer to Figures 30 and 32. In one embodiment of the present invention, the second protrusion structure 172 is rotatably mounted on the lead nut 1422. During the operation of the lead nut 1422, the second protrusion structure 172 can roll along the surface of the cover plate 112 facing the sliding cavity 111. Specifically, when the lead nut 1422 shakes and comes into contact with the upper cover plate 112 during operation, the second protrusion structure 172 will roll into contact with the surface of the cover plate 112 facing the sliding cavity 111.

[0312] Since the second protrusion structure 172 is provided on the nut 1422 by a rotatable connection, when the nut 1422 contacts the cover plate 112, the second protrusion structure 172 can roll along the surface of the cover plate 112 toward the sliding cavity 111, thereby moving the sliding cavity 111.The sliding friction between the moving interfaces is transformed into rolling friction. This change in friction form can effectively reduce the frictional resistance generated during the contact between the nut 1422 and the cover plate 112.

[0313] It should be noted that in different embodiments of the present invention, the second protrusion structure 172 may have different implementation forms, and its installation method on the nut 1422 will also change accordingly. In one embodiment, the second protrusion structure 172 is a roller. Specifically, the nut 1422 is provided with a mounting shaft, and the roller is rotatably mounted on the mounting shaft through a bearing or bushing. When the nut 1422 contacts and moves relative to the cover plate 112, the roller can roll along the surface of the cover plate 112 toward the sliding cavity 111, thereby transforming the sliding friction into rolling friction. In another embodiment, the second protrusion structure 172 is a ball. Specifically, a bowl-shaped seat is provided on the nut 1422, and the ball portion is housed in the bowl-shaped seat and can rotate freely, with its spherical portion protruding from the outer wall surface of the nut 1422. During the contact and relative movement between the nut 1422 and the cover plate 112, the ball can roll along the surface of the cover plate 112 toward the sliding cavity 111.

[0314] Referring to FIG30, in one embodiment of the present invention, the second protrusion structure 172 includes a second rolling element 1721 and a second mounting shaft 1722. The second rolling element 1721 is rotatably mounted on the second mounting shaft 1722, and the second mounting shaft 1722 is fixedly mounted on the nut 1422.

[0315] The second rolling element 1721 can be a roller, a roller, or a bearing, etc. The outer surface of the second rolling element 1721 can be designed as a cylindrical surface, a spherical surface, or an arc surface as needed to adapt to different inner surface shapes and force requirements of the cover plate 112. Optionally, in this embodiment, the second rolling element 1721 is a rotary bearing. Slewing bearings are standard parts with a wide range of models and specifications, making them convenient for design selection and procurement. The fixing methods between the second mounting shaft 1722 and the nut 1422 include, but are not limited to, press-fit fixing, thread fastening, or snap-fit ​​installation. In actual products, the choice can be made flexibly according to the specific structure and production process of the nut 1422. To further optimize friction performance, in some embodiments, a rolling bearing or a sliding bearing can be provided between the second rolling element 1721 and the second mounting shaft 1722, or a wear-resistant coating or a low-friction material layer can be added to the outer surface of the second rolling element 1721.

[0316] In this embodiment, by setting a combined structure of the second mounting shaft 1722 and the second rolling element 1721, on the one hand, the second mounting shaft 1722 can provide a clear installation benchmark and positioning support for the second rolling element 1721. During assembly, the second rolling element 1721 can be quickly positioned by simply fitting it onto the second mounting shaft 1722, effectively avoiding the separation of multiple independent rolling elements.The misalignment that may occur during installation is beneficial to improving assembly efficiency and accuracy. On the other hand, when the second rolling element 1721 needs to be replaced due to long-term wear, only the worn second rolling element 1721 needs to be replaced, without replacing the entire nut 1422 or the second mounting shaft 1722. Therefore, this can reduce the maintenance cost of the second protrusion structure 172 during long-term use.

[0317] Please refer to Figures 30 and 31. In one embodiment of the present invention, the nut 1422 is provided with a second groove 173, the second mounting shaft 1722 is fixedly installed on the wall of the second groove 173, the second rolling element 1721 is accommodated in the second groove 173 and at least partially protrudes to the outside of the second groove 173 to contact the surface of the cover plate 112 facing the sliding cavity 111. The specific structure of the second groove 173 is not limited. For example, it can be a rectangular groove, a U-shaped groove, etc., as long as it can accommodate the second rolling element 1721 and enable the second rolling element 1721 to rotate normally in the second groove 173.

[0318] In this embodiment, by providing the second groove 173, an effective installation and accommodating space can be provided for the second mounting shaft 1722 and the second rolling element 1721, allowing the second rolling element 1721 to be embedded in the wall of the nut 1422 in the height direction. This layout can reduce the installation size occupied by the second protrusion structure 172 in the height direction of the nut 1422, thereby facilitating a compact design of the installation structure between the nut 1422 and the second connector 12.

[0319] Based on the provision of a second protruding structure 172 on the surface of the second connector 12 facing the cover plate 112 or on the surface of the nut 1422 facing the cover plate 112, further, referring to Figures 32 and 34, in one embodiment of the present invention, the cleaning device 100 further includes a first protruding structure 171. The first protruding structure 171 is disposed on at least one inner wall of the sliding cavity 111 and / or at least one outer wall of the second connector 12. At least one inner wall of the sliding cavity 111 can abut against at least one outer wall of the second connector 12 through the first protruding structure 171.

[0320] The specific placement position of the first protruding structure 171 on the inner wall of the sliding cavity 111 or the outer wall of the second connector 12 can be found in the description on pages 38 / 50 of CN 121570088 A and the placement structure, which will not be repeated here.

[0321] By providing a first protrusion structure 171 between the sliding cavity 111 on the second connector 12 and the first connector 11, the large-area contact that might have occurred between the outer wall of the second connector 12 and the inner wall of the sliding cavity 111 can be transformed into a local surface contact (including multiple spaced local surface contacts or point contacts), thereby optimizing the stress distribution at the contact interface.The structure reduces the frictional resistance generated during the sliding of the second connector 12 under the same load conditions, thereby reducing the driving load of the drive mechanism 14 and reducing the operating energy consumption of the drive mechanism 14. At the same time, the reduction of frictional resistance can also suppress the vibration and noise problems caused by large friction, and improve the quiet performance and user experience of the cleaning device 100. In addition, the first protrusion structure 171, through reasonable layout, can reduce friction and enhance the running stability of the second connector 12 relative to the sliding cavity 111, which is conducive to ensuring the smooth operation of the cleaning component 131 between the inward and outward positions and reducing the phenomenon of sliding jamming.

[0322] Please refer to Figures 34 to 36. In one embodiment of the present invention, the second connector 12 includes a first bottom wall 1262 and two first side walls 1261, which are respectively connected to both sides of the width direction of the first bottom wall 1262. The extension direction of the two first side walls 1261 is consistent with the sliding direction of the second connector 12. Multiple first protrusion structures 171 are provided, some of which are provided on the two first sidewalls 1261 and others are provided on the first bottom wall 1262. The sliding cavity 111 includes a second bottom wall 1114 and two second sidewalls 1113, which are respectively connected to both sides of the second bottom wall 1114 in the width direction. The extending direction of the two second sidewalls 1113 is consistent with the sliding direction of the second connector 12.

[0323] During the sliding process of the second connector 12 along the sliding cavity 111, the second bottom wall 1114 abuts against the first protrusion structure 171 located on the first bottom wall 1262, and the second sidewalls 1113 abut against the first protrusion structure 171 located on the first sidewall 1261.

[0324] Of course, in another embodiment, the first protrusion structure 171 may only be provided on the outer walls of the two first sidewalls 1261. During the sliding of the second connector 12 along the sliding cavity 111, the second sidewall 1113 abuts against the first protrusion 171 located on the first sidewall 1261. In other embodiments, the first protrusion 171 may only be provided on the outer wall of the first bottom wall 1262. During the sliding of the second connector 12 along the sliding cavity 111, the second bottom wall 1114 abuts against the first protrusion 171 located on the first bottom wall 1262.

[0325] In this embodiment, by providing the first protrusion 171 on the first bottom wall 1262 and / or the first sidewall 1261 of the second connector 12, this arrangement facilitates the maintenance and assembly of the first protrusion 171. Specifically, in terms of maintenance, when the first protrusion 171 needs to be replaced or repaired due to long-term wear, the independent second connector 12 can be operated directly without disassembling the fixed sliding cavity 111, thus reducing the later maintenance cost and time of the first protrusion 171.In terms of assembly, this structure allows operators to visually observe the position and status of the protruding structure, facilitating rapid alignment and installation in an open space, avoiding delicate operations inside the narrow sliding cavity 111, thereby improving assembly efficiency.

[0326] Referring to Figures 36 and 37, in one embodiment of the present invention, the first protruding structure 171 is rotatably connected to the outer wall of the second connector 12. When the second connector 12 slides along the sliding cavity 111, the first protruding structure 171 can roll along the inner wall of the sliding cavity 111. Since the first protruding structure 171 is rotatably connected to the outer wall of the second connector 12, when the second connector 12 slides in the sliding cavity 111, the first protruding structure 171 can roll along the inner wall of the sliding cavity 111, thereby converting the sliding friction between the sliding interfaces into rolling friction. This change in friction form can significantly reduce the frictional resistance during the sliding process of the second connector 12, thereby reducing the operating noise and driving energy consumption of the cleaning equipment 100. The specific rotation method of the first protruding structure 171 on the outer wall of the second connector 12 can be referred to the relevant description in the foregoing embodiment, and will not be repeated here.

[0327] With the widespread application of intelligent cleaning equipment 100 in the home environment, users' expectations for its cleaning effect are increasing. The home floor environment is complex and the types of dirt are diverse, from floating dust and hair on the floor surface to particles deep in the carpet, and even adhesive stains on the floor, their adhesion and cleaning difficulty are different. Different dirt conditions put forward different requirements for cleaning force: for light dirt such as floating dust and hair, only a small downward pressure is needed to effectively remove it; while for deep dirt in the carpet or adhesive stains on the floor, a greater downward pressure is needed to ensure the cleaning effect. At present, the downward pressure of the cleaning mechanism 13 of most cleaning equipment 100 on the market is often a single pressure. If the cleaning component 131 uses a large downward pressure to deal with heavy dirt scenarios, it will cause unnecessary power consumption of the drive motor during daily light dirt cleaning, significantly shortening the device's battery life, and may also accelerate the wear of the cleaning component 131 or even damage the hard floor surface; conversely, if a smaller downward pressure is used, although it is beneficial for energy saving and extending battery life, the cleaning effect is poor when facing heavy dirt, and it cannot meet the user's deep cleaning needs.

[0328] Based on this, the present invention provides a cleaning device 100 to solve the technical problem in the prior art that the cleaning component 131 has a single ground pressure, which cannot adapt to different cleaning scenario requirements, thus making it difficult to balance cleaning effect, energy efficiency and ground protection.

[0329] The cleaning device 100 provided by the present invention includes: a frame 10, a first connecting member 11, a second connecting member 12, a cleaning mechanism 13 and a drive mechanism 14.

[0330] The first connecting member 11 is fixedly connected to the frame 10. The second connecting member 12 is slidably installed on the first connecting member 11. The cleaning mechanism 13 includes a cleaning member 131 that can be elastically deformed. The cleaning member 131 is a mop assembly, which can be a roller mop assembly, a roller mop assembly, etc. Exemplarily, in this embodiment, the cleaning member 131 is a roller mop assembly. The material of the cleaning member 131 can be rubber, sponge, fiber composite material (such as non-woven fabric), etc. The cleaning mechanism 13 is installed on the second connecting member 12 and moves in conjunction with the second connecting member 12.

[0331] It should be noted that the specific structure and mutual connection relationship of the first connecting member 11, the second connecting member 12 and the cleaning mechanism 13 in this embodiment can be referred to the relevant descriptions in the embodiments shown in Figures 5 and 6, and will not be repeated here.

[0332] The cleaning member 131 has an inward position relative to the frame 10. In the inward position, the cleaning member 131 has a raised position and a lowered position. In the raised position, as shown in FIG19, the cleaning component 131 is lifted away from the surface to be cleaned; in the lowered position, as shown in FIG18, the cleaning component 131 contacts the surface to be cleaned. The drive mechanism 14 is used to drive the cleaning component 131 to move between the raised position and the lowered position during the sliding of the second connecting member 12 relative to the first connecting member 11.

[0333] Referring to FIG24, the drive mechanism 14 includes a first drive component 141 and a first translation component 142. The first drive component 141 is mounted on the first connecting member 11 and has a rotary output end. The first drive component 141 can be any power source that can have a rotary output end, such as a motor, a combination of a motor and a reducer, or a hydraulic motor. The first translation component 142 includes a power input end and a power output end. The power input end is connected to the rotary output end, and the power output end is connected to the second connecting member 12 to drive the second connecting member 12 to slide during the operation of the first drive component 141, thereby driving the cleaning component 131 to move between the retracted position and the outward expansion position. The structural description of the first translation component 142 can be referred to the relevant content in the above embodiments, and will not be repeated here.

[0334] Optionally, please refer to Figures 24 and 26. In this embodiment, the first translation component 142 includes a lead screw 1421 and a lead screw nut 1422. The lead screw 1421 is rotatably connected to the first connecting member 11 and connected to the rotation output end of the first driving member 141. The lead screw nut 1422 is threadedly engaged with the lead screw 1421 and connected to the second connecting member 12. When the first driving member 141 is running, it drives the lead screw 1421 to rotate. The lead screw 1421 drives the lead screw nut 1422 to move horizontally. The lead screw nut 1422 drives the second connecting member 12 to slide relative to the first connecting member 11, so as to drive the cleaning member 131 to switch between the lifting position and the falling position.

[0335] Among them, multiple falling positions are provided. The multiple falling positions are arranged sequentially along the height direction of the cleaning mechanism 13, so as toThe cleaning component 131 deforms differently under pressure from the surface to be cleaned. It should be noted that the deformation of the cleaning component 131 refers to its elastic deformation. The elastic deformation of the cleaning component 131 is related to the cleaning pressure applied to the surface to be cleaned, and the greater the deformation of the cleaning component 131, the greater the cleaning pressure applied to the surface to be cleaned.

[0336] This invention, by setting multiple falling positions sequentially along the height direction in the cleaning mechanism 13, allows the cleaning component 131 to select different working heights according to the degree of dirt on the ground. When the cleaning mechanism 13 is at different height positions, the elastic deformation generated by the cleaning component 131 in contact with the surface to be cleaned also varies, thereby allowing the cleaning component 131 to provide a variety of different cleaning pressures. Specifically, when dealing with light dirt such as floor dust or hair, the cleaning mechanism 13 can be positioned higher. In this position, the deformation of the cleaning component 131 is smaller, resulting in lower cleaning pressure on the floor. This ensures cleaning effectiveness while reducing energy consumption, thus extending the runtime of the cleaning device 100. Conversely, when dealing with deep dirt or stubborn stains on carpets, the cleaning mechanism 13 can be lowered. In this position, the deformation of the cleaning component 131 increases, and the cleaning pressure on the floor also rises accordingly, ensuring a deep cleaning effect. Through these methods, the cleaning device 100 provided by this invention can address the limitations of single-pressure cleaning methods in meeting the needs of multiple cleaning scenarios. It also avoids energy waste and component wear caused by excessive pressure in lightly soiled scenarios, while ensuring cleaning effectiveness in heavily soiled scenarios. Therefore, it achieves a better balance between cleaning effectiveness, energy consumption, and equipment and floor protection.

[0337] Referring to Figures 14 and 39, and Figures 41 and 43, in one embodiment of the present invention, the second connecting member 12 is provided with a lifting surface 125, and the lifting surface 125 is provided with a plurality of platform positions corresponding one-to-one with the falling position. The cleaning mechanism 13 is equipped with a supporting part 132 on the side away from the surface to be cleaned. When the second connecting member 12 slides, the supporting part 132 moves along the lifting surface 125 and can selectively stop at any platform position, so as to realize the switching between the lifting position and the falling position of the cleaning member 131.

[0338] Specifically, referring to Figures 26 and 27, the supporting part 132 is provided on the side of the mounting base 134 of the cleaning mechanism 13 away from the cleaning member 131. Along the height direction of the frame 10, the lifting surface 125 is supported below the supporting part 132, and the supporting part 132 is pressed against the lifting surface 125 by the gravity of the cleaning mechanism 13. When the second connector 12 slides relative to the first connector 11, the supporting part 132 can move along the lifting surface 125 to drive the cleaning part 131 to switch between the raised position and the lowered position.

[0339] The lifting surface 125 can be an inclined surface, an arc surface, or a combination of inclined and arc surfaces. The supporting part 132 can be a structure such as an inclined block, an arc block, or a pin connected to the cleaning mechanism 13. When the supporting part 132 moves along the lifting surface 125, the supporting part 132 and the lifting surface 125 can be in rolling contact or in sliding contact, which is not limited in this embodiment.

[0340] The way the platform position is formed on the lifting surface 125 is not limited. For example, multiple stepped surfaces can be provided on the lifting surface 125, and each stepped surface forms a platform position. Alternatively, multiple recessed areas can be formed on the lifting surface 125, such as arc grooves, V-shaped grooves, or rectangular grooves. Each recessed area forms a platform position.

[0341] In this embodiment, the adjustment of the cleaning pressure of the cleaning component 131 on the ground is realized through the cooperation of the lifting surface 125 and the supporting part 132. Specifically, when the cleaning pressure needs to be adjusted, the drive mechanism 14 will drive the second connecting member 12 to slide relative to the first connecting member 11, causing the supporting part 132 to move along the lifting surface 125, so that the supporting part 132 transitions from the current platform position to the next target platform position and achieves stable stopping. During this process, the cleaning mechanism 13 is always linked with the second connecting member 12. There is no need to set up a separate lifting drive mechanism. The switching of the cleaning part 131 between different falling positions can be completed automatically and reliably by the sliding of the second connecting member 12, thereby realizing the adjustment of the cleaning pressure of the cleaning part 131 on the ground.

[0342] Please refer to Figures 39 to 43. In one embodiment of the present invention, the lifting surface 125 includes an inclined section 1253 and a flat section 1254 connected to each other. Along the height direction of the cleaning mechanism 13, the flat section 1254 is disposed on the side of the inclined section 1253 close to the cleaning part 131 and forms the first platform position 1251. A step portion 1255 is formed at the connection between the inclined section 1253 and the flat section 1254. The step portion 1255 forms a second platform position 1252, which is located above the first platform position 1251. The step portion 1255 can be a beveled surface structure, a right-angled surface structure, or other structural shapes, as long as it can provide stable support for the supporting part 132 when it stops.

[0343] In this embodiment, by setting a step portion 1255 at the connection between the inclined section 1253 and the flat section 1254, a second platform position 1252 located at an intermediate height can be formed. This design structure is simple and does not require any additional parts. It can be achieved by making local modifications to the intersection of the inclined surface and the flat surface on the original structure on pages 41 / 50 of the specification, CN 121570088 A. Therefore, it will not cause significant changes to the original production process and design structure, which is beneficial to the control of production costs.

[0344] In one embodiment of the present invention, when the cleaning component 131 needs to move from the raised position to the lowered position, the second connection...The component 12 slides along the first direction (as shown by the X2 axis in Figure 38), and the supporting part 132 moves downward along the lifting surface 125 under the gravity of the cleaning mechanism 13 and can stop sequentially at the second platform position 1252 and the first platform position 1251.

[0345] It should be noted that during the entire process of the second connecting component 12 sliding along the first direction, the position of the cleaning mechanism 13 relative to the frame 10 in the horizontal direction remains basically unchanged. This characteristic ensures that when the cleaning component 131 is adjusted in the vertical direction, its horizontal working position will not shift, thereby ensuring the stability of the cleaning operation and the consistency of the coverage area.

[0346] Specifically, when the cleaning component 131 requires a smaller ground cleaning pressure, the drive mechanism 14 is activated, and the drive mechanism 14 drives the second connecting component 12 to slide along the first direction. The supporting part 132 slides downward along the lifting surface 125 to the second platform position 1252 under the gravity of the cleaning mechanism 13, as shown in Figure 40, and the drive mechanism 14 is stopped to perform the operation under a smaller cleaning pressure. When the cleaning component 131 requires a larger ground cleaning pressure, the drive mechanism 14 is activated again, and the drive mechanism 14 continues to drive the second connecting member 12 to slide along the first direction. Under the gravity of the cleaning mechanism 13, the supporting part 132 moves from the second platform position 1252 to the first platform position 1251, as shown in Figure 42. At this time, the drive mechanism 14 stops running to perform operations under a larger cleaning pressure.

[0347] In this embodiment, during the complete process of the cleaning component 131 switching from the raised position to the lowered position, it is only necessary to control the second connecting member 12 to continue sliding along the first direction. The supporting part 132 can then automatically move down along the lifting surface 125 under the action of gravity and accurately position itself in the second platform position 1252 and the first platform position 1251 in sequence. This process relies entirely on the weight of the mechanical structure and the lifting surface 125 with a specific contour to achieve position switching, without the need for additional lifting drive mechanism 14 or human intervention. Therefore, the overall structure can be simplified, and the complexity of the lifting control of the cleaning mechanism 13 can be reduced.

[0348] In one embodiment of the present invention, when the cleaning component 131 needs to be moved from the falling position to the lifting position, the second connecting member 12 slides along a second direction opposite to the first direction (as shown in X3 in FIG10). The frame 10 forms a stop on the cleaning mechanism 13 in the second direction, so that the supporting part 132 moves upward along the lifting surface 125 under the action of the stopping force, so as to move from the first platform position 1251 to the second platform position 1252, and can continue to rise until the cleaning component 131 is in the lifting position.

[0349] It should be noted that during the entire process of the cleaning component 131 moving from the falling position to the lifting position, only the second connecting member 12 slides along the second direction to drive the cleaning mechanism 13 to be lifted in the height direction. And because the frame 10 supports the cleaning mechanism 13 in the second direction, the second connecting member 12 slides along the second direction to drive the cleaning mechanism 13 to be lifted in the height direction.A stop is formed in the second direction, as shown in Figure 10. The cleaning mechanism 13 remains fixed relative to the frame 10 in the horizontal direction, and its height changes only through the relative movement of the supporting part 132 and the lifting surface 125. This design ensures that the horizontal position of the cleaning component 131 remains basically stable during lifting, thus ensuring the consistency of the cleaning coverage.

[0350] Specifically, when the supporting part 132 needs to switch from the first platform position 1251 (higher cleaning pressure position) to the second platform position 1252 (lower cleaning pressure position), the drive mechanism 14 drives the second connecting member 12 to slide in the second direction. During the sliding process, the frame 10 forms a stop on the cleaning mechanism 13 in the second direction, causing the supporting part 132 to move upward along the lifting surface 125 under the action of the stop force until it accurately reaches the second platform position 1252. At this time, the drive mechanism 14 is stopped, and the cleaning component 131 enters the working state of lower cleaning pressure. When the cleaning component 131 needs to be fully lifted, the drive mechanism 14 continues to drive the second connecting component 12 to slide along the second direction, and the frame 10 continues to provide a stopping effect. Under the cooperation of the stopping force, the holding part 132 continues to move upward from the second platform position 1252 along the lifting surface 125, and finally makes the cleaning component 131 return to the lifted position and disengage from the surface to be cleaned.

[0351] It should be noted that in this embodiment, the method by which the frame 10 forms a stop for the cleaning mechanism 13 in the second direction is not limited. For example, a protruding structure may be provided on the side of the frame 10 facing the cleaning mechanism 13, and the protruding structure can form an abutment in the second direction with the mounting seat 134 of the cleaning mechanism 13 to generate a stopping effect when the cleaning mechanism 13 moves in the second direction. Alternatively, at least a portion of the side wall of the frame 10 facing the cleaning mechanism 13 can abut against the mounting base 134 of the cleaning mechanism 13 to provide a stop when the cleaning mechanism 13 moves in the second direction.

[0352] Optionally, in this embodiment, referring to Figures 3, 10 and 44, a receiving cavity 101 is provided on the side of the frame 10 facing the surface to be cleaned, and the first connector 11, the second connector 12 and the cleaning mechanism 13 are all accommodated in the receiving cavity 101. Along the sliding direction of the second connector 12, the receiving cavity 101 includes an inner sidewall 1011, and the end of the mounting base 134 of the cleaning mechanism 13 facing the inner sidewall 1011 includes an end wall 1341. When the cleaning component 131 is in the retracted position, when the second connector 12 slides in the second direction, the inner sidewall 1011 can abut against the end wall 1341 of the mounting base 134, thereby forming a mechanical stop on the cleaning mechanism 13 in the second direction. This design achieves the blocking function of the cleaning mechanism 13 through the structure of the frame 10 itself, without the need for additional parts. This not only simplifies the overall structure but also ensures the reliability and stability of the blocking effect.

[0353] In this embodiment, during the entire lifting process of the cleaning component 131, it is only necessary to drive the second connecting component 12 to slide along the second direction, without the need to set up a separate lifting drive device for the cleaning mechanism 13. Therefore, this solution can achieve the complex lifting function of the cleaning component 131 through a simple mechanical cooperation between the supporting part 132 and the lifting surface 125, thereby reducing the complexity of the mechanism and manufacturing cost. At the same time, since the frame 10 can form a stop in the second direction for the cleaning mechanism 13, the output of the drive mechanism 14 can be effectively converted into a lifting force in the height direction of the cleaning mechanism 13 through the stopping force, thereby realizing the lifting of the cleaning component 131.

[0354] Referring to FIG14, in one embodiment of the present invention, the second connecting component 12 includes a recessed cavity 126 facing the cleaning component 131, and a thickened part 1263 is provided on the inner wall of the cavity 126, and the lifting surface 125 is formed on the thickened part 1263. Specifically, the thickened part 1263 is provided on the inner wall of the cavity 126 in the width direction. In one embodiment, the thickened portion 1263 may be provided only on one inner wall of the cavity 126 in the width direction, that is, the lifting surface 125 may be provided only on one inner wall of the cavity 126. In another embodiment, the thickened portion 1263 may be provided on both inner walls of the cavity 126 in the width direction, that is, the lifting surface 125 may be provided on both sides of the cavity 126 in the width direction. The thickened portion 1263 may be a protrusion structure partially provided along the inner wall of the cavity 126, or a wall structure that is thickened along the inner wall of the cavity 126 as a whole.

[0355] Referring to FIG7, the bottom wall of the cavity 126 is provided with a first sliding groove 1264, and the cleaning mechanism 13 is fixedly connected to an extension portion 133. Specifically, the mounting base 134 is fixedly connected to the extension portion 133 on the side opposite to the cleaning component 131. The extension portion 133 is slidably installed in the first sliding groove 1264 and connected to the abutment portion 132 located inside the cavity 126.

[0356] In this embodiment, by providing a thickened portion 1263 inside the cavity 126, the local mechanical strength of the second connector 12 in the main stress area can be improved, and a stable and reliable forming base can be provided for the lifting surface 125, thereby helping to ensure the support strength of the lifting surface 125. At the same time, by integrating the lifting surface 125 into the thickened portion 1263 inside the cavity 126, the internal space of the cavity 126 can be fully utilized, without occupying additional external installation space of the second connector 12, thereby improving the structural compactness design.

[0357] Please refer to FIG14. In one embodiment of the present invention, the length direction of the cavity 126 is consistent with the sliding direction of the second connector 12. A thickened portion 1263 is provided on both opposite sidewalls of the cavity 126 in the width direction, and a lifting surface 125 is provided on each thickened portion 1263. For ease of description, the two opposite sidewalls of the cavity 126 in the width direction are labeled as the first...One side wall 1261. That is, each first side wall 1261 is provided with a corresponding lifting surface 125. The extension 133 is equipped with two abutment parts 132, which are respectively provided on both sides of the width direction of the extension 133, and each abutment part 132 cooperates with a lifting surface 125.

[0358] By providing thickened parts 1263 and lifting surfaces 125 on both opposite side walls in the width direction of the cavity 126, and combining them with two corresponding abutment parts 132, the lifting force of the cleaning mechanism 13 during the lifting process can be evenly distributed on both sides of the width direction of the cavity 126. This structure can improve the phenomenon of uneven wear, jamming or unstable movement that may be caused by unilateral force, and ensure the smooth operation of the lifting mechanism 13.

[0359] To further improve the stability of the cleaning mechanism 13 relative to the frame 10, as further described in Figures 6 to 8, in one embodiment of the present invention, two extensions 133 are provided at intervals along the length direction of the cleaning mechanism 13 on the mounting base 134. Each extension 133 is provided with two abutment portions 132. Correspondingly, two lifting surfaces 125 are provided on each of the first sidewalls 1261 of the second connector 12, and the two lifting surfaces 125 are respectively located at both ends of the length direction of the first sidewall 1261. One lifting surface 125 corresponds to one abutment portion 132. With this arrangement, two lifting positions can be formed in the length direction of the cleaning mechanism 13, and each lifting position is supported on both sides in the width direction by the cooperation of the two lifting surfaces 125 and the two abutment portions 132. With the above structure, the stability of the cleaning mechanism 13 relative to the frame 10 can be ensured, the probability of shaking or deviation of the cleaning component 131 during operation can be reduced, and the cleaning component 131 can be ensured to accurately reach each working position.

[0360] Referring to FIG9, in one embodiment of the present invention, the abutment 132 is rotatably connected to the extension 133 so as to form a rolling contact with the lifting surface 125 when moving along the lifting surface 125. Specifically, in this embodiment, the abutment 132 is a bushing. The extension 133 is fixedly mounted with an extension shaft 1332, sleeved on the extension shaft 1332, and is rotatable relative to the extension shaft 1332. Thus, when the abutment 132 moves along the lifting surface 125, a rolling contact is formed with the lifting surface 125. Of course, in other embodiments, the abutment 132 can also be a bearing, and the extension 133 is provided with a mounting shaft, and the bearing is rotatably mounted on the mounting shaft. This can also achieve a rolling contact between the abutment 132 and the lifting surface 125.

[0361] By making the abutment 132 and the lifting surface 125 form a rolling contact, the generation of gas during relative movement can be significantly reduced.The frictional resistance generated. This improvement effectively reduces the operating load of the drive mechanism 14, improves the mechanical efficiency of the entire transmission system, and helps to reduce equipment energy consumption, thereby extending the runtime of the cleaning equipment 100.

[0362] Please refer to Figures 14 and 39. In one embodiment of the present invention, the thickened portion 1263 is provided with a sloping groove 128. The sloping groove 128 includes a first groove wall 1281 and a second groove wall 1282 connected to each other. The first groove wall 1281 forms a lifting surface 125. The second groove wall 1282 is disposed above the first groove wall 1281 to limit the movement trajectory of the supporting portion 132 on the lifting surface 125. It should be noted that when the supporting portion 132 moves normally along the lifting surface 125, the side of the supporting portion 132 facing the second groove wall 1282 will not contact the second groove wall 1282. Only when the supporting portion 132 has a displacement fluctuation in the height direction relative to the lifting surface 125 can it contact the second groove wall 1282.

[0363] In this embodiment, the restricted movement channel formed by the first groove wall 1281 and the second groove wall 1282 can effectively limit the abnormal jumping of the supporting part 132 in the height direction during the movement, ensuring that it always moves stably along the preset trajectory, thereby improving the positioning accuracy and repeatability of the lifting movement of the cleaning mechanism 13. At the same time, the second groove wall 1282, as the upper physical barrier, can effectively prevent the supporting part 132 from accidentally detaching from the lifting surface 125 when the cleaning device 100 moves or is vibrated, further enhancing the operational reliability of the cleaning device 100 in complex usage environments.

[0364] Referring to Figures 14 and 39, in one embodiment of the present invention, a hollow area 1265 is provided on the side wall of the cavity 126. The hollow area 1265 is configured to laterally expose the mating area of ​​the supporting part 132 and the lifting surface 125 in the width direction of the cavity 126.

[0365] By providing a hollow area 1265 on the side wall of the cavity 126, the mating area between the supporting part 132 and the lifting surface 125 is laterally exposed in the width direction. This design brings significant convenience to the debugging and maintenance of the equipment. Specifically, the hollow area 1265 can serve as a direct observation window during the debugging process, allowing operators to intuitively monitor the actual operating status of the supporting part 132 on the lifting surface 125, including its movement trajectory, contact status, and positioning accuracy. This visual debugging mechanism can not only improve debugging efficiency, but also quickly identify and eliminate potential problems such as assembly deviation and motion interference, ensuring that the lifting mechanism reaches the optimal working state.

[0366] Please refer to Figures 14, 15, and 46. In one embodiment of the present invention, the second connecting member 12 is provided with a first stop 1271 and a second stop 1272. The first stop 1271 and the second stop 1272 are aligned along the length direction of the second connecting member 12.The first stop 1271 is used to abut against the extension 133 or the supporting part 132 to limit the extreme position of the cleaning member 131 when it is raised. The second stop 1272 is used to abut against the extension 133 or the supporting part 132 to limit the extreme position of the cleaning member 131 when it is lowered. The first stop 1271 and the second stop 1272 can be a groove or protrusion structure integrally formed with the second connector 12, or a stop block structure installed on the second connector 12 by fasteners such as bolts.

[0367] By setting the first stop 1271 and the second stop 1272, the highest and lowest working positions of the cleaning member 131 can be limited respectively, thereby ensuring that the cleaning mechanism 13 always operates within the designed safe range, reducing overtravel accidents caused by program control errors or sensor failures, and thus ensuring the safety of equipment operation.

[0368] Optionally, in this embodiment, the first stop 1271 is formed by the wall inside the cavity 126, which is located on the running trajectory of the extension 133. When the holding part 132 moves upward along the lifting surface 125 to the limit position, the extension 133 abuts against the wall, thereby limiting the maximum lifting height of the cleaning part 131. The second stop 1272 is formed by the end wall of the cavity 126 on one side in the length direction, which is also located on the running trajectory of the extension 133. When the holding part 132 moves downward along the lifting surface 125 to the limit position, the extension 133 abuts against the end wall, thereby limiting the maximum falling depth of the cleaning part 131. This double stop structure realizes the motion limiting function through the structural features of the cavity 126 itself, without the need for additional parts, which not only ensures the reliable operation of the cleaning mechanism 13 within a safe range, but also reflects the integration of the structural design.

[0369] Please refer to Figures 34 and 35. In one embodiment of the present invention, the first connecting member 11 is provided with a sliding cavity 111, and the second connecting member 12 is slidably installed in the sliding cavity 111. The second connecting member 12 is provided with a first protruding structure 171 on both sides of the sliding cavity 111 in the width direction. The first protruding structure 171 abuts against the inner surface of the corresponding side wall of the sliding cavity 111.

[0370] The specific form of the first protruding structure 171 and its arrangement on the second connecting member 12 have various implementation forms. In one embodiment, the first protruding structure 171 can be directly fixed to the outer wall of the second connecting member 12. The specific form of the first protruding structure 171 includes, but is not limited to, protruding points or protruding strips. In another embodiment, the first protruding structure 171 can also be rotatably installed on the outer wall of the second connecting member 12, for example, by using a roller, bearing or other rolling element structure. Optionally, in this embodiment, the first protrusion structure 171 directly adopts the technical solution described in detail in the foregoing embodiments, namely, a rolling structure formed by the cooperation of the first rolling element 1711 and the first mounting shaft 1712. Its installation position, quantity, and connection method can be referred to Figure 35.The description of the illustrated embodiment will not be repeated here.

[0371] By providing a first protrusion structure 171 between the second connector 12 and the sliding cavity 111, the large-area contact that might have occurred between the outer wall of the second connector 12 and the inner wall of the sliding cavity 111 can be transformed into a local surface contact (including multiple spaced local surface contacts or point contacts), thereby optimizing the stress distribution and friction state at the contact interface. Under the same load conditions, this structure can reduce the frictional resistance generated during the sliding of the second connector 12, thereby reducing the driving load of the drive mechanism 14 and reducing the operating energy consumption of the drive mechanism 14. At the same time, the reduction of frictional resistance can also suppress vibration and noise problems caused by large friction, improving the quiet performance and user experience of the cleaning device 100. In addition, the first protrusion structure 171, through reasonable layout, can reduce friction and enhance the operational stability of the second connector 12 relative to the sliding cavity 111, thereby helping to ensure the smooth operation of the cleaning component 131 between the inward and outward positions and reducing the phenomenon of sliding jamming.

[0372] Of course, in another embodiment, please refer to Figures 34 and 35, a first protrusion structure 171 can also be provided between the bottom wall of the sliding cavity 111 and the second connector 12, which can further reduce the frictional resistance generated during the movement of the second connector 12 along the sliding cavity 111.

[0373] In existing cleaning equipment 100, in order to adapt to different cleaning scenarios, there are designs that adjust the extension distance of the cleaning component 131 by setting multiple outward expansion positions to change its cleaning coverage. However, these different outward expansion positions usually correspond to a single cleaning pressure, resulting in the cleaning intensity not being effectively matched according to the actual degree of pollution. If a larger pressure is set to adapt to heavy pollution scenarios, problems such as excessive energy consumption, shortened battery life, and increased component wear will occur when dealing with daily light pollution (such as hair and dust), and may even damage the floor material. Conversely, if a smaller pressure is set for cleaning, although it is beneficial for energy saving and component protection, it cannot meet the deep cleaning needs of stubborn stains.

[0374] Based on this, the present invention provides a cleaning device 100, which includes: a frame 10, a first connecting member 11, a second connecting member 12, a cleaning mechanism 13, and a driving mechanism 14.

[0375] The first connecting member 11 is fixedly installed on the frame 10, and the second connecting member 12 is slidably installed on the first connecting member 11. The cleaning mechanism 13 includes a cleaning member 131 that can be elastically deformed. The cleaning member 131 is a mop assembly, which can be a roller mop assembly, a roller mop assembly, etc. For example, in this embodiment, the cleaning member 131 is a roller mop assembly. The material of the cleaning member 131 can be rubber, sponge, fiber composite material (such as non-woven fabric), etc. The cleaning mechanism 13 is installed on the frame 10, a first connecting member 11, a second connecting member 12, a cleaning mechanism 13, and a driving mechanism 14.The second connecting member 12 is linked with the second connecting member 12 to make the cleaning member 131 have an inward position and an outward position relative to the frame 10.

[0376] It should be noted that the specific structure and interconnection relationship of the first connecting member 11, the second connecting member 12 and the cleaning mechanism 13 in this embodiment can be referred to the relevant descriptions in the embodiments shown in Figures 5 and 6, and will not be repeated here.

[0377] In the inward position, the cleaning member 131 contacts or detaches from the surface to be cleaned, and in the outward position, the cleaning member 131 contacts the surface to be cleaned. Specifically, as shown in Figures 18 and 19, in the inward position, the cleaning member 131 includes a raised position and a lowered position. In the raised position, the cleaning member 131 detaches from the surface to be cleaned. In the lowered position, the cleaning member 131 contacts the surface to be cleaned.

[0378] The driving mechanism 14 is used to drive the second connecting member 12 to slide relative to the first connecting member 11, so as to drive the cleaning member 131 to run between the outward position and the inward position.

[0379] Referring to Figures 21 and 24, the drive mechanism 14 includes a first drive member 141 and a first translation component 142. The first drive member 141 is mounted on the first connector 11 and has a rotary output end. The first drive member 141 can be any power source capable of having a rotary output end, such as a motor, a combination of a motor and a reducer, or a hydraulic motor. The first translation component 142 includes a power input end and a power output end. The power input end is connected to the rotary output end, and the power output end is connected to the second connector 12 to drive the second connector 12 to slide when the first drive member 141 is running, thereby causing the cleaning component 131 to move between an inward position and an outward position. The structural description of the first translation component 142 can be found in the relevant descriptions in the above embodiments, and will not be repeated here.

[0380] Optionally, in this embodiment, the first translation component 142 includes a lead screw 1421 and a nut 1422. The lead screw 1421 is rotatably connected to the first connector 11 and connected to the rotational output end of the first drive component 141. The nut 1422 is threadedly engaged with the lead screw 1421 and connected to the second connector 12. When the first drive component 141 is running, it drives the lead screw 1421 to rotate. The lead screw 1421 drives the nut 1422 to move horizontally. The nut 1422 drives the second connector 12 to slide relative to the first connector 11, thereby driving the cleaning component 131 to move between the inward and outward positions.

[0381] The outward expansion position includes at least a first outward expansion position (as shown in Figures 11 and 47) and a second outward expansion position (as shown in Figures 12 and 48). Along the sliding direction of the second connector 12, the first outward expansion position is located between the inward expansion position (as shown in Figures 10, 18, and 19) and the second outward expansion position. The installation height of the cleaning mechanism 13 relative to the frame 10 at the first outward expansion position is different from the installation height relative to the frame 10 at the second outward expansion position.

[0382] In this embodiment, the first outward expansion position and the second outward expansion position can be consistent with the first outward expansion position and the second outward expansion position in the aforementioned embodiment, or they can be different. It is sufficient to ensure that the second outward expansion position is located between the inward expansion position and the first outward expansion position.

[0383] For example, in this embodiment, the first outward expansion position and the second outward expansion position are consistent with the first outward expansion position and the second outward expansion position in the aforementioned embodiment. That is, in the first outward expansion position, the edge of the cleaning component 131 is flush with the edge of the frame 10. In the second outward expansion position, the edge of the cleaning component 131 at least partially extends beyond the edge of the frame 10. Specifically, the distance L1 by which the edge of the cleaning component 131 extends beyond the edge of the frame 10 is 20mm. Of course, in other embodiments, the distance L1 by which the edge of the cleaning component 131 extends beyond the edge of the frame 10 can also be other values.

[0384] In this embodiment, the installation height of the cleaning mechanism 13 relative to the frame 10 at the first outward expansion position is different from the installation height of the cleaning mechanism 13 relative to the frame 10 at the second outward expansion position. Specifically, the installation height of the cleaning mechanism 13 at the first outward expansion position can be greater than or less than the installation height at the second outward expansion position.

[0385] Because the installation height of the cleaning mechanism 13 relative to the frame 10 is different, when the cleaning component 131 contacts the surface to be cleaned, the amount of extrusion deformation generated at different installation heights is also different, thereby causing the cleaning pressure applied by the cleaning component 131 to the surface to be cleaned to change.

[0386] When the installation height of the cleaning mechanism 13 at the first outward expansion position is greater than that at the second outward expansion position, it indicates that the amount of extrusion deformation generated by the cleaning component 131 when it contacts the surface to be cleaned at the first outward expansion position is smaller, and the corresponding cleaning pressure is lower; while at the second outward expansion position, due to the reduced installation height, the amount of extrusion deformation of the cleaning component 131 will be relatively larger, thereby generating a greater cleaning pressure than at the first outward expansion position.

[0387] When the installation height of the cleaning mechanism 13 at the first expansion position is less than that at the second expansion position, it indicates that the cleaning component 131 experiences a larger amount of compression deformation at the first expansion position due to the lower installation height, resulting in a higher corresponding cleaning pressure. At the second expansion position, the increased installation height reduces the amount of compression deformation of the cleaning component 131, and consequently, the cleaning pressure also decreases.

[0388] In this embodiment, by allowing the cleaning mechanism 13 to have different installation heights at different expansion positions, the technical problem of multiple expansion positions corresponding to a single cleaning pressure in the prior art can be solved. Specifically, by setting differentiated installation heights at different expansion positions, the cleaning component 131 can generate different amounts of compression deformation when it contacts the surface to be cleaned at different expansion positions, thereby forming a corresponding cleaning pressure. This design can also achieve a balance between the expansion position and the cleaning...Pressure Coordination: When the cleaning component 131 is in different extended positions, its cleaning pressure can be automatically adjusted according to the change of installation height. In this way, a smaller cleaning pressure can be matched when dealing with daily light dirt, avoiding excessive energy consumption, component wear and damage to the ground. When dealing with stubborn stains, a larger cleaning pressure can be selected to ensure a deep cleaning effect.

[0389] In one embodiment of the present invention, as shown in FIG11, in the first extended position, the edge of the cleaning component 131 is flush with the edge of the frame 10. In the second extended position, the edge of the cleaning component 131 extends at least partially beyond the edge of the frame 10. The installation height of the cleaning mechanism 13 relative to the frame 10 in the first extended position is greater than the installation height relative to the frame 10 in the second extended position.

[0390] Since the cleaning mechanism 13 is prone to warping deformation due to impact or its own weight when the cleaning component 131 extends outside the frame 10 at the second outward expansion position, in this embodiment, by reducing the installation height of the cleaning mechanism 13 relative to the frame 10 at the second outward expansion position, the cleaning component 131 can obtain greater downward pressure. This downward pressure can offset part of the warping tendency of the cleaning mechanism 13, so as to maintain stable contact between the cleaning component 131 and the ground, and ensure the uniformity and reliability of the cleaning effect of the cleaning component 131 at the second outward expansion position.

[0391] In one embodiment of the present invention, in the inward retraction position, the cleaning component 131 has a raised position and a lowered position. In the raised position, the cleaning component 131 is lifted away from the surface to be cleaned, and in the lowered position, the cleaning component 131 is in contact with the surface to be cleaned. The drop position is specified on pages 47 / 50 of the manual (CN 121570088 A). As shown in Figures 40 and 42, the installation height of the cleaning mechanism 13 relative to the frame 10 is unequal at each drop position. There can be two or more drop positions. At each drop position, the cleaning component 131 can maintain contact with the surface to be cleaned, meaning normal cleaning operations can be performed at each position.

[0392] In this embodiment, by setting multiple drop positions with different installation heights at the retracted position, the cleaning component 131 can generate different elastic deformations when it contacts the surface to be cleaned at each drop position, thereby creating differentiated cleaning pressures. This design allows for adjustable cleaning pressure at the retracted position. When dealing with light dirt, a higher installation position can be selected for energy-saving cleaning with less deformation and lower cleaning pressure. When dealing with heavy dirt, a lower installation position can be selected to increase the cleaning pressure by increasing the deformation, ensuring a deep cleaning effect. This solves the technical problem that the cleaning device 100 has a single pressure when cleaning in the retracted position and cannot adapt to the needs of multiple scenarios.

[0393] Please refer to Figures 40 to 42. In one embodiment of the present invention, the falling position includes a first falling position (as shown in Figures 42 and 43) and a second falling position (as shown in Figures 40 and 41). The cleaning mechanism 13 is positioned at the first falling position relative to the machine.The installation height of the frame 10 is lower than the installation height of the frame 10 at the second falling position and equal to the installation height of the frame 10 at the first expanding position. During the process of the cleaning component 131 moving from the inward position to the first expanding position, it passes through the second falling position, the first falling position, and the first expanding position in sequence.

[0394] In this embodiment, by setting the installation height of the cleaning mechanism 13 at the first falling position and the first expanding position to be consistent, the cleaning component 131 maintains a constant installation height from the first falling position during the process of switching from the inward state to the first expanding position. With this setting, when the cleaning mechanism 13 expands horizontally, there is no need to adjust the height synchronously, which effectively reduces the vibration and shaking that may be caused by the compound motion, thereby making the expansion action more stable and reliable.

[0395] Please refer to Figures 39 and 43. In one embodiment of the present invention, the second connecting component 12 is provided with a lifting surface 125, and the lifting surface 125 is provided with multiple platform positions. The cleaning mechanism 13 is provided with a supporting part 132 on the side away from the surface to be cleaned. When the cleaning component 131 operates between the first outward expansion position and the second outward expansion position, the supporting part 132 can move along the lifting surface 125 and selectively stop at any platform position to achieve adjustment of the installation height of the cleaning mechanism 13 relative to the frame 10.

[0396] It should be noted that, in this embodiment, the specific structural description between the lifting surface 125 and the supporting part 132 can be referred to the relevant description in the foregoing embodiment, and will not be repeated here.

[0397] The way the platform position is formed on the lifting surface 125 is not limited. For example, multiple stepped surfaces can be provided on the lifting surface 125, and each stepped surface forms a platform position. Alternatively, multiple recessed areas can be formed on the lifting surface 125, such as arc grooves, V-shaped grooves or rectangular grooves. Each recessed area forms a platform position.

[0398] In this embodiment, the adjustment of the cleaning pressure of the cleaning component 131 on the ground is achieved through the cooperation of the lifting surface 125 and the supporting part 132. Specifically, when the cleaning pressure needs to be adjusted, the drive mechanism 14 will drive the second connecting member 12 to slide relative to the first connecting member 11, causing the supporting part 132 to move along the lifting surface 125, so that the supporting part 132 transitions from the current platform position to the next target platform position and achieves stable stopping. During this process, the cleaning mechanism 13 is always linked with the second connecting member 12, without the need to set its own lifting drive mechanism 14. It can automatically and reliably complete the switching between different cleaning parts 131 at different falling positions by simply sliding the second connecting member 12, thereby realizing the adjustment of the cleaning pressure of the cleaning part 131 on the ground.

[0399] Please refer to Figures 39 and 43. In one embodiment of the present invention, the lifting surface 125 includes an inclined section 1253 and a flat section 1254 connected to each other. Along the height direction of the cleaning mechanism 13, the flat section 1254 is connected to the inclined section 1253 near the cleaning part 131.One end forms a first platform position 1251. A step portion 1255 is formed at the connection between the inclined section 1253 and the flat section 1254, forming a second platform position 1252, which is located above the first platform position 1251. The step portion 1255 can be of various structural shapes such as an inclined surface structure or a right-angled surface structure, as long as it can provide stable support for the supporting part 132 when it stops. In the first outward expansion position, the supporting part 132 rests on one of the first platform position 1251 and the second platform position 1252, and in the second outward expansion position, the supporting part 132 rests on the other one.

[0400] In one embodiment, as shown in FIG43, in the first outward expansion position, the abutment portion 132 rests on the first platform position 1251, and in the second outward expansion position, as shown in FIG41, the abutment portion 132 rests on the second platform position 1252. At this time, the cleaning pressure of the cleaning member 131 in the first outward expansion position is greater than the cleaning pressure in the second outward expansion position.

[0401] In another embodiment, in the first outward expansion position, the abutment portion 132 rests on the second platform position 1252, and in the second outward expansion position, the abutment portion 132 rests on the first platform position 1251. At this time, the cleaning pressure of the cleaning member 131 in the first outward expansion position is less than the cleaning pressure in the second outward expansion position.

[0402] Specifically, in this embodiment, the second connecting member 12 is provided with the cavity 126 in the aforementioned embodiment, and a first stop portion 1271 is provided at one end of the cavity 126. Lifting surfaces 125 are respectively provided on the two side walls in the width direction of the recess. The cleaning mechanism 13 includes a mounting base 134 and a cleaning component 131, which is mounted on the mounting base 134. An extension 133 is provided on the side of the mounting base 134 opposite to the cleaning component 131. A first groove 1264 is provided on the bottom wall of the cavity 126. A second groove 1112 is provided at the bottom of the sliding cavity 111. One end of the extension 133 is fixedly connected to the mounting base 134, and the other end passes through the second groove 1112 and the first groove 1264 in sequence, connecting to a supporting portion 132 located within the cavity 126. When the cleaning component moves between multiple outward expansion positions, the second connecting member 12 drives the extension 133 to slide in the second groove 1112.

[0403] The process of the cleaning component 131 moving from the inward position to the outward position is as follows:

[0404] From the raised position to the lowered position: Please refer to Figures 38 to 43. When the cleaning component 131 needs to move from the raised position to the lowered position, the drive mechanism 14 is activated, driving the second connecting component 12 to slide along the first direction. The supporting part 132 moves downward along the lifting surface 125 under the gravity of the cleaning mechanism 13, and stops sequentially at the second platform position 1252 and the first platform position 1251, corresponding to the cleaning...The cleaning component 131 sequentially reaches the second falling position and the first falling position. Please refer to Figures 45 and 46. At the first falling position, the extension 133 and the second stop 1272 in the cavity 126 form a stop along the first direction. At this time, the second connector 12 continues to move along the first direction, which can drive the extension 133 and the cleaning mechanism 13 to move from the inward position to the outward position.

[0405] From the first falling position to the outward position:

[0406] When it is necessary to stop the holding part 132 at the first platform position 1251 at the first outward position, the drive mechanism 14 drives the second connector 12 to run along the first direction. The second connector 12 drives the cleaning mechanism 13 to move as a whole until the cleaning component 131 reaches the first outward position.

[0407] When it is necessary for the supporting part 132 to stop at the second platform position 1252 in the first outward expansion position, after the cleaning part 131 reaches the first outward expansion position, the drive mechanism 14 runs in the opposite direction, driving the second connecting part 12 to retract in a second direction opposite to the first direction. During the retraction process, the friction between the cleaning part 131 and the ground prevents the supporting part 132 from moving horizontally, forcing it to move up from the first platform position 1251 to the second platform position 1252 along the lifting surface 125 and stay stably.

[0408] Switching between the first expansion position and the second expansion position:

[0409] Switching from the first expansion position (second platform position 1252) to the second expansion position (first platform position 1251):

[0410] The driving mechanism 14 drives the second connecting member 12 to run along the first direction. In the initial stage, the supporting part 132 moves down from the second platform position 1252 to the first platform position 1251 under the gravity of the cleaning mechanism 13. After the extension part 133 abuts against the second stop part 1272 (as shown in FIG46), the second connecting member 12 drives the cleaning mechanism 13 to move along the first direction as a whole until the cleaning member 131 reaches the second expansion position.

[0411] Switching from the first outward expansion position (first platform position 1251) to the second outward expansion position (second platform position 1252):

[0412] The drive mechanism 14 drives the second connecting member 12 to continue running along the first direction until the cleaning member 131 reaches the second outward expansion position. Then, the drive mechanism 14 drives the second connecting member 12 to retract along the second direction. During the retraction process, the friction between the cleaning member 131 and the ground prevents the holding part 132 from moving horizontally, forcing it to move up from the first platform position 1251 to the second platform position 1252 along the lifting surface 125 and stay stably there.

[0413] The process of the cleaning component 131 moving from the outward expansion position to the inward retraction position is as follows:

[0414] When the second outward expansion position (first platform position 1251) moves towards the first outward expansion position:

[0415] The drive mechanism 14 drives the second connecting member 12 to run along the second direction until the cleaning component 131 reaches the first outward expansion position.Specifically, please refer to Figure 43. When the supporting part 132 is located at the first platform position 1251, a transition surface 1256 is formed between the step part 1255 and the plane segment 1254. This transition surface 1256 can form a stop in the second direction with the supporting part 132. When the second connecting member 12 runs in the second direction, under the action of the stop force, the second connecting member 12 can drive the supporting part 132 and the entire cleaning mechanism 13 to move together in the second direction until it retracts to the first outward expansion position.

[0416] When the second outward expansion position (second platform position 1252) moves to the first outward expansion position:

[0417] As shown in Figure 41, the driving mechanism 14 drives the second connecting member 12 to run a certain distance in the first direction. During this process, the supporting part 132 moves down from the second platform position 1252 to the first platform position 1251 under the action of gravity. As shown in Figure 43, when the supporting part 132 moves to the first platform position 1251, the supporting part 132 abuts against the transition surface 1256. Then, the driving mechanism 14 drives the second connecting member 12 to run along the second direction (as shown by X3 in Figure 43). At this time, the second connecting member 12 drives the cleaning mechanism 13 to move together along the second direction until the cleaning member 131 reaches the first outward expansion position.

[0418] When the cleaning member 131 moves from the first outward expansion position to the first falling position of the inward retraction position:

[0419] The driving mechanism 14 drives the second connecting member 12 to continue running along the second direction until the cleaning member 131 reaches the first falling position of the inward retraction position, as shown in Figure 43. At this time, the supporting part 132 remains at the first platform position 1251. At this time, the cleaning mechanism 13 and the frame 10 stop each other along the second direction, as shown in Figure 44. It should be noted that the specific description of the stopping structure between the cleaning mechanism 13 and the frame 10 can be referred to the relevant description in the foregoing embodiments, and will not be repeated here.

[0420] The cleaning component 131 moves from the first falling position at the retracted position to the raised position:

[0421] The drive mechanism 14 drives the second connecting component 12 to continue running in the second direction. During the sliding process, the frame 10 forms a stop on the cleaning mechanism 13 in the second direction, so that the supporting part 132 moves upward along the lifting surface 125 under the action of the stop force until it accurately reaches the second platform position 1252, as shown in FIG41. At this time, the drive mechanism 14 drives the second connecting component 12 to continue running in the second direction, and the frame 10 continues to provide the stop action until the cleaning component 131 runs to the raised position, as shown in FIG38 and FIG39.

[0422] Referring to FIG14, in one embodiment of the present invention, the second connecting component 12 includes a recessed cavity 126 facing the cleaning component 131. A thickened part 1263 is provided on the inner wall of the cavity 126, and the lifting surface 125 is formed on the thickened part 1263. The bottom wall of the cavity 126 is provided with a first sliding groove 1264, and the cleaning mechanism 13 is fixedly connected with an extension 133, which is slidably installed in the first sliding groove.The groove 1264 is connected to the abutment portion 132 located inside the cavity 126. In this embodiment, the specific structure of the thickened portion 1263 provided on the cavity 126 can be referred to the relevant description in the previous embodiment, and will not be repeated here.

[0423] In this embodiment, by providing the thickened portion 1263 inside the cavity 126, not only can the local mechanical strength of the second connector 12 in the main stress area be improved, but also a stable and reliable forming base can be provided for the lifting surface 125, which is conducive to ensuring the support strength of the lifting surface 125. At the same time, by integrating the lifting surface 125 into the thickened portion 1263 inside the cavity 126, the internal space of the cavity 126 can be fully utilized, and the external installation space of the second connector 12 will not be occupied additionally, which is conducive to improving the structural compactness design.

[0424] The above embodiments are only illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this invention shall still be covered by the claims of this invention. Instruction manual page 50 / 50 53 CN 121570088 A Figure 1 Instruction manual figure 1 / 31 page 54 CN 121570088 A Figure 2 Instruction manual figure 2 / 31 page 55 CN 121570088 A Figure 3 Instruction manual figure 3 / 31 page 56 CN 121570088 A Figure 4 Instruction manual figure 4 / 31 page 57 CN 121570088 A Figure 5 Figure 6 Instruction manual figure 5 / 31 page 58 CN 121570088 A Figure 7 Figure 8 Instruction manual figure 6 / 31 page 59 CN 121570088 A Figure 9 Instruction manual figure 7 / 31 page 60 CN 121570088 A Figure 10 Instruction manual figure 8 / 31 page 61 CN 121570088 A Figure 11 Instruction manual figure 9 / 31 page 62 CN 121570088 A Figure 12 Appendix to the Instruction Manual, Page 10 / 31, No. 63, CN 121570088 A Figure 13 Figure 14 Appendix to the Instruction Manual, Page 11 / 31, No. 64, CN 121570088 A Figure 15 Figure 16 Appendix to the Instruction Manual, Page 12 / 31, No. 65, CN 121570088 A Figure 17 Figure 18 Appendix to the Instruction Manual, Page 13 / 31, No. 66, CN 121570088 A Figure 19 Figure 20 Appendix to the Instruction ManualPage 14 / 31, 67 CN 121570088 A, Figure 21, Figure 22, Instruction Manual Drawings; Page 15 / 31, 68 CN 121570088 A, Figure 23, Figure 24, Instruction Manual Drawings; Page 16 / 31, 69 CN 121570088 A, Figure 25, Figure 26, Instruction Manual Drawings; Page 17 / 31, 70 CN 121570088 A, Figure 27, Figure 28, Instruction Manual Drawings; Page 18 / 31, 71 CN 121570088 A, Figure 29, Figure 30, Instruction Manual Drawings; Page 19 / 31, 72 CN 121570088 A, Figure 31, Instruction Manual Drawings; Page 20 / 31, 73 CN 121570088 A, Figure 32, Instruction Manual Drawings; Page 21 / 31, 74 CN 121570088 A, Figure 33, Figure 34, Instruction Manual Drawings; Page 22 / 31, 75 CN 121570088 Figure 35 Figure 36 Appendix to the Instruction Manual, Page 23 / 31, 76 CN 121570088 Figure 37 Figure 38 Appendix to the Instruction Manual, Page 24 / 31, 77 CN 121570088 Figure 39 Figure 40 Appendix to the Instruction Manual, Page 25 / 31, 78 CN 121570088 Figure 41 Figure 42 Appendix to the Instruction Manual, Page 26 / 31, 79 CN 121570088...

Claims

1. A cleaning device, characterized in that, include: frame; The first connector is fixedly connected to the frame; The second connector is slidably mounted on the first connector; A cleaning mechanism, including a flexible and deformable cleaning component, is mounted on the second connector and moves in conjunction with the second connector; The cleaning component has an inward position relative to the frame. In the inward position, the cleaning component has a raised position and a lowered position. In the raised position, the cleaning component is lifted away from the surface to be cleaned. In the lowered position, the cleaning component is in contact with the surface to be cleaned. A drive mechanism is provided for driving the cleaning component to move between the raised position and the lowered position during the sliding of the second connector relative to the first connector. The falling position is provided in multiple ways, and the multiple falling positions are arranged sequentially along the height direction of the cleaning mechanism so that the cleaning component will produce different deformations under the pressure of the surface to be cleaned.

2. The cleaning equipment according to claim 1, characterized in that, The second connector is provided with a lifting surface, and the lifting surface is provided with a plurality of platform positions corresponding one-to-one with the falling position; the cleaning mechanism is provided with a supporting part on the side away from the surface to be cleaned; when the second connector slides, the supporting part moves along the lifting surface and can selectively stop at any of the platform positions, so as to realize the switching of the cleaning part between the plurality of falling positions.

3. The cleaning equipment according to claim 2, characterized in that, The lifting surface includes an inclined section and a flat section connected to each other. The flat section is connected to one end of the inclined section near the cleaning component and forms a first platform position. A step is formed at the connection between the inclined section and the flat section, and the step forms a second platform position, which is located above the first platform position.

4. The cleaning equipment according to claim 3, characterized in that, When the cleaning component needs to move from the lifting position to the falling position, the second connecting member slides along the first direction, and the supporting part moves downward along the lifting surface under the gravity of the cleaning mechanism and can stop sequentially at the second platform position and the first platform position.

5. The cleaning equipment according to claim 3, characterized in that, When the cleaning component needs to be moved from the falling position to the lifting position, the second connecting member slides along a second direction opposite to the first direction; the frame forms a stop on the cleaning mechanism in the second direction, so that the supporting part moves upward along the lifting surface under the action of the stopping force, so as to move from the first platform position to the second platform position, and can continue to rise until the cleaning component is in the lifting position.

6. The cleaning equipment according to claim 2, characterized in that, The second connector includes a recessed cavity facing the cleaning component, a thickened portion is provided on the inner wall of the cavity, and the lifting surface is formed on the thickened portion; the bottom wall of the cavity is provided with a first sliding groove, the cleaning mechanism is fixedly connected with an extension portion, the extension portion is slidably installed in the first sliding groove, and connected to the abutment portion located inside the cavity.

7. The cleaning equipment according to claim 6, characterized in that, The length direction of the cavity is consistent with the sliding direction of the second connector. The cavity has thickened portions on two opposite sidewalls in the width direction, and each thickened portion has a lifting surface. The extension is equipped with two abutting portions, and each abutting portion cooperates with a lifting surface.

8. The cleaning equipment according to claim 6, characterized in that, The supporting part is rotatably connected to the extension so as to form a rolling contact with the lifting surface when moving along the lifting surface.

9. The cleaning equipment according to claim 6, characterized in that, The thickened portion is provided with an inclined groove, which includes a first groove wall and a second groove wall connected to each other. The first groove wall forms the lifting surface, and the second groove wall is disposed above the first groove wall to limit the movement trajectory of the supporting portion on the lifting surface.

10. The cleaning equipment according to claim 9, characterized in that, A hollow area is provided on the side wall of the cavity, and the hollow area is configured to laterally expose the mating area of ​​the supporting part and the lifting surface in the width direction of the cavity.

11. The cleaning equipment according to claim 6, characterized in that, The second connector is provided with a first stop and a second stop. The first stop is used to abut against the extension or the supporting part to limit the extreme position of the cleaning part's lifting. The second stop is used to abut against the extension or the supporting part to limit the extreme position of the cleaning part's falling.

12. The cleaning equipment according to claim 2, characterized in that, The first connector is provided with a sliding cavity, and the second connector is slidably installed in the sliding cavity. The second connector is provided with a first protrusion structure on both sides of the sliding cavity in the width direction, and the first protrusion structure abuts against the inner surface of the corresponding side wall of the sliding cavity.

13. The cleaning equipment according to claim 1, characterized in that, The driving mechanism includes a first driving member and a first translation component; the input end of the first translation component is connected to the first driving member, and the output end of the first translation component is connected to the second connecting member; the first driving member drives the first translation component to move the second connecting member relative to the first connecting member, thereby driving the cleaning component to switch between the raised position and the lowered position.

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