Lifting assembly and cleaning equipment

By designing the lifting component, the problem of the distance sensing module affecting the overall height of the cleaning equipment was solved, enabling flexible lifting of the sensing module and improving the equipment's ability to enter low-lying areas and its sensing accuracy.

CN223529372UActive Publication Date: 2025-11-11BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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Patent Information

Application Number
CN202422440438.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-09
Publication Date
2025-11-11
Estimated Expiration
2034-10-09

AI Technical Summary

Technical Problem

The distance sensor module of the cleaning equipment is located at the top, which increases the overall height of the machine and prevents it from entering low-lying areas.

Method used

A lifting assembly was designed, including a liftable distance sensing module and a drive control module. The drive motor drives the adapter and the sensing body to move up and down. Combined with a protection switch and a guide structure, the sensing module can switch between a concealed state and a protruding state.

Benefits of technology

The thickness of the cleaning equipment has been reduced, the working scenarios have been expanded, the ability to access low-ceilinged spaces has been ensured, and the convenience of electrical connections and sensing accuracy have been improved.

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Abstract

The utility model provides a lifting assembly and cleaning equipment. The lifting assembly comprises a mounting base, a distance sensing module and a driving control module, and the distance sensing module is arranged on the mounting base in a liftable mode. The distance sensing module comprises a sensing main body and a movable main body movably connected with the sensing main body, the movable main body is provided with a first trigger structure, and the sensing main body is provided with a protection switch located on a motion path of the first trigger structure. The driving control module is assembled on the mounting base and comprises a control main board, a driving motor and an adapter in transmission connection with the driving motor. The sensing body is arranged on the adapter, and the driving motor and the protection switch are electrically connected with the control mainboard so as to drive the distance sensing module to ascend and descend. Wherein the induction main body is arranged on the adapter, and the protection switch is arranged on the induction main body, so that the electrical connection convenience of the lifting assembly is improved. The structure is applied to the cleaning equipment, so that the thickness of the cleaning equipment is reduced, and the working scene of the cleaning equipment is enriched.
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Description

Technical Field

[0001] This disclosure relates to the field of smart home technology, and in particular to lifting components and cleaning equipment. Background Technology

[0002] In related technologies, cleaning equipment requires a distance sensing module to acquire scene map data in order to complete intelligent cleaning for the current scene.

[0003] However, distance sensing modules typically need to be mounted on top of the cleaning equipment to obtain an accurate and complete scene map based on the equipment's height. This means that the distance sensing module affects the overall height of the cleaning equipment. In environments with low ceilings, the increased height due to the distance sensing module prevents the cleaning equipment from easily accessing low-ceilinged areas. Utility Model Content

[0004] This disclosure provides a lifting assembly and a cleaning device to solve related technical problems.

[0005] A first aspect of the embodiments of the present disclosure provides a lifting assembly for use in a cleaning device; the lifting assembly includes:

[0006] Mounting base;

[0007] A distance sensing module is vertically and flexibly mounted on the mounting base; the distance sensing module includes a sensing body and a movable body movably connected to the sensing body, the movable body is provided with a first trigger structure, and the sensing body is provided with a protection switch located on the movement path of the first trigger structure;

[0008] A drive control module is assembled on the mounting base; the drive control module includes a control motherboard, a drive motor, and an adapter connected to the drive motor; the sensing body is disposed on the adapter, and the drive motor and the protection switch are electrically connected to the control motherboard to drive the distance sensing module to move up and down.

[0009] Optionally, the distance sensing module includes an elastic reset member and a connector connected to the sensing body; the movable body is provided with a guide member, the guide member is provided with a first guide hole, the connector passes through the first guide hole and is clearance-fitted with the first guide hole; the elastic reset member abuts against the movable body and the sensing body respectively.

[0010] Optionally, the active body is provided with at least two of the guide members, and the distance sensing module includes the connectors that correspond to and cooperate with the guide members one by one;

[0011] And / or, the distance sensing module includes at least two of the elastic reset elements.

[0012] Optionally, the active body is positioned at the top of the sensing body in the lifting direction.

[0013] Optionally, the active body includes a shell, a cover, and a voice control module, wherein the cover is assembled to the shell to form an accommodating space; and the voice control module is assembled to the accommodating space.

[0014] Optionally, the protection switch is located at the top of the sensing body in the lifting direction.

[0015] Optionally, the adapter is provided with a threaded transmission hole, and the drive control module includes a transmission screw; the transmission screw is connected to the output shaft of the drive motor, and the transmission screw and the threaded transmission hole are connected in a transmission connection.

[0016] Optionally, the drive control module further includes a guide structure; the guide structure includes a fixed pressure plate and a guide post disposed on the fixed pressure plate; the drive motor is assembled with the fixed pressure plate, and the fixed pressure plate is fixedly connected to the sensing body; the adapter is provided with a second guide hole, and the guide post is movably inserted into the second guide hole.

[0017] Optionally, the threaded drive hole is disposed in the middle region of the adapter; the adapter includes a pair of second guide holes, which are symmetrically disposed on both sides of the threaded drive hole.

[0018] Optionally, the lifting assembly further includes a lifting detection module; the lifting detection module includes a second trigger structure and a circuit board electrically connected to the control motherboard;

[0019] The second trigger structure is assembled on the adapter, and the circuit board is provided with an upper detection switch and a lower detection switch arranged in the height direction of the main body of the device; when the distance sensing module reaches the descent limit position, the second trigger structure and the lower detection switch cooperate; when the distance sensing module reaches the ascending limit position, the second trigger structure and the upper detection switch cooperate.

[0020] Optionally, the upper-level detection switch and the lower-level detection switch include optocoupler switches, and the second trigger structure includes a light-shielding element.

[0021] Optionally, the sensing entity includes a base, a mounting cover, and a lidar body; the mounting cover is assembled to the base to form an installation space, and the lidar body is assembled to the installation space.

[0022] Optionally, the first triggering structure includes a protrusion structure disposed on the side of the active body facing the sensing body.

[0023] According to a second aspect of the present disclosure, a cleaning device is provided, the cleaning device comprising: a device body and any of the lifting components described in the first aspect; the device body has a receiving space therein, and the lifting component is assembled in the receiving space; the distance sensing module includes a first use state received in the receiving space and a second use state protruding from the top of the device body in the lifting direction.

[0024] The technical solution provided in this disclosure can achieve at least the following beneficial effects:

[0025] The distance sensing module of the lifting assembly disclosed herein includes a sensing body and a movable body. A first trigger structure on the movable body can generate a displacement that triggers a protective switch on the sensing body when subjected to an external force, causing the drive motor of the drive control module to drive a connecting piece, the sensing body mounted on the connecting piece, and the movable body movably connected to the sensing body to perform lifting movements. The placement of the sensing body on the connecting piece and the protective switch on the sensing body improves the convenience of electrical connections for the lifting assembly.

[0026] When the lifting assembly is installed in the cleaning equipment, the distance sensing module of the lifting assembly can be controlled by the drive control module to switch between a first usage state housed within the receiving space of the equipment body and a second usage state protruding from the equipment body. This allows the distance sensing module to descend when subjected to external impact or when the drive control module receives a descent command to enter low-ceilinged spaces, and to protrude from the equipment body when the drive control module receives an ascent command to achieve distance measurement. This structural design helps reduce the thickness of the cleaning equipment and expands its working scenarios.

[0027] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and are not intended to limit this specification. Attached Figure Description

[0028] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this specification and, together with the description, serve to explain the principles of this specification.

[0029] Figure 1 This is a schematic diagram of the structure of a distance sensing module of a cleaning device in a first use state according to an exemplary embodiment of the present disclosure;

[0030] Figure 2 This is a schematic diagram of the structure of a distance sensing module of a cleaning device in a second use state according to an exemplary embodiment of the present disclosure;

[0031] Figure 3 This is an exploded structural diagram of a lifting component according to an exemplary embodiment of the present disclosure;

[0032] Figure 4 This is another exploded structural diagram of a lifting assembly in an exemplary embodiment of the present disclosure;

[0033] Figure 5 This is another exploded structural diagram of a lifting component in an exemplary embodiment of the present disclosure;

[0034] Figure 6 This is a schematic cross-sectional view of a lifting component according to an exemplary embodiment of the present disclosure;

[0035] Figure 7 This is a further exploded structural diagram of a lifting component in an exemplary embodiment of the present disclosure. Detailed Implementation

[0036] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numerals in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this specification. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this specification as detailed in the appended claims.

[0037] The terminology used in this disclosure is for the purpose of describing particular embodiments only and is not intended to limit the disclosure. Unless otherwise defined, the technical or scientific terms used in this specification should be understood in their ordinary sense by one of ordinary skill in the art to which this disclosure pertains. The terms “first,” “second,” and similar terms used in this specification and claims do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, “a” or “one,” and similar terms do not indicate a quantity limitation, but rather indicate the presence of one. “A plurality” or “several” indicates two or more. Unless otherwise indicated, the terms “front,” “rear,” “lower,” and / or “upper,” and similar terms are for ease of description only and are not limited to a location or spatial orientation. The terms “comprising,” “including,” and similar terms mean that the elements or objects preceding “comprising,” encompass the elements or objects listed following “comprising,” and their equivalents, and do not exclude other elements or objects. The terms “connected,” “linked,” and similar terms are not limited to physical or mechanical connections and can include electrical connections, whether direct or indirect.

[0038] The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of this disclosure. The singular forms “a,” “the,” and “the” as used in this specification and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes any and all possible combinations of one or more of the associated listed items.

[0039] In related technologies, cleaning equipment requires a distance sensing module to acquire scene map data in order to perform intelligent cleaning tailored to the current scene. However, the distance sensing module is usually located on the top of the cleaning equipment, and obtaining an accurate and complete scene map based on the height of the cleaning equipment makes the distance sensing module affect the overall height of the cleaning equipment. In environments with low ceilings, the distance sensing module increases the overall height of the machine, making it difficult for the cleaning equipment to enter low-ceilinged areas.

[0040] This disclosure provides a lifting assembly. Figure 1 This is a schematic diagram of the structure of a distance sensing module of a cleaning device in a first use state according to an exemplary embodiment of this disclosure. Figure 2 This is a schematic diagram of the structure of a distance sensing module of a cleaning device in a second use state according to an exemplary embodiment of this disclosure. Figure 3 This is an exploded structural diagram of a lifting component according to an exemplary embodiment of this disclosure. Figure 4 This is another exploded structural diagram of a lifting assembly according to an exemplary embodiment of this disclosure. For example... Figures 1-4 As shown, the lifting assembly 1 includes a mounting base 135, a distance sensing module 12, and a drive control module 13. The distance sensing module is movably mounted on the mounting base 135. The distance sensing module 12 includes a sensing body 121 and a movable body 122 movably connected to the sensing body 121. The movable body 122 is provided with a first trigger structure 1221, and the sensing body 121 is provided with a protection switch 1222 located on the movement path of the first trigger structure 1221. The drive control module 13 is assembled on the mounting base 135 and includes a control main board, a drive motor 131, and a converter 133 that is driveably connected to the drive motor 131. The sensing body 121 is disposed on the converter 133, and the drive motor 131 and the protection switch 1222 are electrically connected to the control main board to drive the distance sensing module 12 to move up and down.

[0041] The distance sensing module 12 of the aforementioned lifting assembly 1 includes a sensing body 121 and a movable body 122. A first trigger structure 1221 on the movable body 122 can trigger the displacement of the protective switch 1222 on the sensing body 121 when subjected to external force, causing the drive motor 131 of the drive control module 13 to drive the adapter 133, the sensing body 121 mounted on the adapter 133, and the movable body 122 movably connected to the sensing body 121 to perform lifting movements. The placement of the sensing body 121 on the adapter 133 and the protective switch 1222 on the sensing body 121 improves the convenience of electrical connections for the lifting assembly 1.

[0042] In some embodiments, such as Figures 5-6 As shown, the distance sensing module 12 includes an elastic reset member 125 and a connector 124 connected to the sensing body 121. The movable body 122 is provided with a guide member 123, which has a first guide hole. The connector 124 passes through the first guide hole and is clearance-fitted with it. The elastic reset member 125 abuts against both the movable body 122 and the sensing body 121. The guide member 123 provides guidance and limitation for the movement of the movable body 122 under force, preventing excessive displacement of the movable body 122 relative to the sensing body 121. The elastic reset member 125 can deform when the movable body 122 is subjected to force to adapt to the displacement of the movable body 122, and uses its own elasticity to reset the movable body 122 when the external force acting on the movable body 122 disappears.

[0043] The guide member 123 can be a guide cap, and the movable body 122 has a mounting position for the guide cap, which is then assembled at the mounting position. The connector 124 can be a threaded connector 124 such as a screw or stud, for connection with the sensing body 121. When the connector 124 passes through the first guide hole of the guide cap, it can move relative to the first guide hole based on a clearance fit, and the inner wall of the first guide hole forms a limit on the connector 124. Furthermore, the elastic reset member 125 can be a spring.

[0044] In the above embodiments, the movable body 122 may be provided with at least two guide members 123, and the distance sensing module 12 includes connectors 124 that correspond one-to-one with the guide members 123, so as to improve the guiding reliability of the movable body 122 under force through the cooperation of multiple guide members 123 and connectors 124. And / or, the distance sensing module 12 includes at least two elastic reset members 125 to improve the stability of the movable body 122 under no force and the stability and reliability of the reset force after the force disappears.

[0045] In some embodiments, the movable body 122 can be disposed at the top of the sensing body 121 in the lifting direction. Distributing the movable body 122 at the top of the sensing body 121 avoids direct collisions between the sensing body 121 and external objects, preventing internal structural deformation and misalignment when the sensing body 121 is subjected to external force, thus improving the sensing accuracy of the sensing body 121. When the movable body 122 is subjected to external force, the first trigger structure on the movable body 122 can touch the protection switch 1222 on the sensing body 121, causing the distance module 12 to descend under the drive control module 13, ensuring the collision protection function of the entire device is realized.

[0046] In some embodiments, such as Figures 5-7 As shown, the active body 122 may include a housing 1221a, a cover 1221b, and a voice control module 14. The cover 1221b is assembled to the housing 1221a to form an accommodating space, and the voice control module 14 is assembled into the accommodating space. The cover 1221b, after being assembled with the housing 1221a, serves a decorative function to enhance the overall aesthetics of the cleaning device 2. Integrating the voice control module 14 into the active body 122 allows the active body 122 to be positioned close to the outside of the device body 21 in the first usage state and protruding from the device body 21 in the second usage state. This ensures the reliability of the voice control module 14's signal transmission and reception, and avoids interference from the device body 21. Furthermore, the structure of the active body 122 is effectively utilized, improving the integration of the cleaning device 2 and reducing its cost.

[0047] The voice control module 14 may include a voice control cover 141, a voice control circuit board 142, etc. The voice control circuit board 142 can be mounted on the housing 1221a, and the voice control cover 141 is fixed to the housing 1221a.

[0048] In some embodiments, the protective switch 1222 may be disposed at the top of the sensing body 121 in the lifting direction. When the moving body 122 is located at the top of the sensing body 121, disposing of the protective switch 1222 at the top of the sensing body 121 facilitates the contact of the moving body 122 with the protective switch 1222 when subjected to force.

[0049] In other embodiments, the protection switch 1222 may also be set at other positions of the sensing body 121, so as to enable the moving body 122 to come into contact with the protection switch 1222 after movement.

[0050] The aforementioned first triggering structure can be the bottom surface of the movable body 122 or a protrusion provided on the bottom surface of the movable body 122, so as to facilitate contact with the protective switch 1222. The aforementioned protective switch 1222 can be a micro switch.

[0051] In some embodiments, such as Figures 5-7 As shown, the drive control module 13 may include a drive motor 131, a transmission screw 132, and an adapter 133. The transmission screw 132 is connected to the output shaft of the drive motor 131. The adapter 133 has a threaded transmission hole 1332, and the transmission screw 132 is connected to the threaded transmission hole 1332. The sensing body 121 is fixedly assembled on the adapter 133. The drive motor 131 drives the transmission screw 132 to rotate. The transmission screw 132 passes through the fixed pressure plate 1341 and engages with the adapter 133. The transmission screw 132 has external threads, and the threaded transmission hole 1332 corresponding to the engagement between the adapter 133 and the transmission screw 132 has internal threads. By driving the transmission screw 132 and the adapter 133 through the drive motor 131, the rotation of the transmission screw 132 is converted into axial movement of the adapter 133. The sensing body 121, assembled on the adapter 133, can move axially with the adapter 133.

[0052] In the above embodiments, the drive control module 13 may further include a guide structure 134, which includes a fixed pressure plate 1341 and a guide post 1342 disposed on the fixed pressure plate 1341. The drive motor 131 is assembled and cooperated with the fixed pressure plate 1341. The fixed pressure plate 1341 is fixedly connected to the sensing body 121. The adapter 133 is provided with a second guide hole 1331, and the guide post 1342 is movably inserted into the second guide hole 1331 to provide guidance for the adapter 133 during its axial movement.

[0053] The threaded drive hole 1332 can be set in the middle area of ​​the adapter 133. The adapter 133 includes a pair of second guide holes 1331. The second guide holes 1331 can be symmetrically arranged on both sides of the threaded drive hole 1332 to improve the guiding stability of the paired and symmetrically arranged second guide holes 1331.

[0054] The fixed pressure plate 1341 may be provided with an assembly hole 1343 for limiting the drive motor 131 and a clearance hole 1344 for the transmission screw 132 to pass through. The drive motor 131 is limited and installed in the assembly hole 1343, and the transmission screw 132 passes through the clearance hole 1344 and is in transmission engagement with the adapter 133. The plate-like structure of the fixed pressure plate 1341 facilitates a stable and reliable fixed connection with the sensing body 121. The fixed pressure plate 1341 may be a plastic part or a metal part.

[0055] Furthermore, the fixed pressure plate 1341 can be used to fix the drive motor 131 to the mounting base 135 with screws. After the fixed pressure plate 1341 is assembled on the mounting base 135, it can be fixedly connected to the sensing body 121 to realize the installation and fixation of the drive component.

[0056] In some embodiments, the lifting assembly 1 may further include a lifting detection module 15. The lifting detection module 15 includes a second trigger structure 152 and a lifting detection circuit board 151 electrically connected to the control motherboard. The second trigger structure 152 is assembled on the adapter 133. The lifting detection circuit board 151 is provided with an upper detection switch 1511 and a lower detection switch 1512 arranged in the height direction of the device body 21. When the distance sensing module 12 reaches the lower limit position, the second trigger structure 152 and the lower detection switch 1512 cooperate. When the distance sensing module 12 reaches the upper limit position, the second trigger structure 152 and the upper detection switch 1511 cooperate. The upper detection switch 1511 and the lower detection switch 1512 can be used to monitor the position of the adapter 133 and the distance sensing module 12 assembled with the adapter 133, so that the distance sensing module 12 stops moving after reaching the first use state and the second use state.

[0057] The upper-level detection switch 1511 and the lower-level detection switch 1512 can be optocoupler switches, mechanical switches, Hall effect switches, etc. The second trigger structure 152 can be a light-shielding body, a magnet, etc. Figure 6 As shown, the upper detection switch 1511 and the lower detection switch 1512 are optocoupler switches, and the second trigger structure 152 is a light-shielding component. When the second trigger structure 152 moves to the limit position with the adapter 133, it can block the light of the optocoupler switch.

[0058] In some embodiments, the sensing body 121 includes a base, a mounting cover, and a lidar body. The mounting cover is assembled to the base to enclose an installation space, and the lidar body is assembled within the installation space. LiDAR ranging can improve the accuracy of distance detection and map building of the cleaning device 2. The installation space enclosed by the base and mounting cover provides protection for the lidar body. The base can be fixed to the adapter 133 with screws, and the mounting cover can be fixed to the base with screws.

[0059] This disclosure further provides a cleaning device 2, Figure 1 and Figure 2 The dashed arrows in the diagram represent the thickness direction of the device body 21. The cleaning device 2 includes the device body 21 and the aforementioned lifting assembly 1. The device body 21 has a receiving space, and the lifting assembly 1 is assembled into the receiving space. The distance sensing module 12 includes a first usage state where it is received in the receiving space and a second usage state where it protrudes from the top of the device body 21 in the lifting direction.

[0060] When the lifting assembly 1 is assembled into the cleaning equipment, the distance sensing module 12 of the lifting assembly 1 can be controlled by the drive control module 13 to switch between a first usage state housed within the receiving space of the equipment body 21 and a second usage state protruding from the equipment body 21. This allows the distance sensing module 12 to descend when subjected to an external impact or when the drive control module 13 receives a descent command, facilitating entry into low-ceilinged spaces, and to protrude from the equipment body to achieve distance measurement when the drive control module 13 receives an ascending command. This structural configuration helps reduce the thickness of the cleaning equipment 2 and enriches the working scenarios of the cleaning equipment 2.

[0061] In some embodiments, the cleaning device 2 can integrate the aforementioned collision protection function and lifting position detection function, which helps to extend the service life of the sensing body 121 with lifting function and prevent damage from accidental collisions. For example, when the cleaning device 2 enters a low space and the movable body 122 is subjected to external force, the movable body 122, based on its movable connection with the sensing body 121, undergoes displacement within a preset range to touch the protection switch 1222. The protection switch 1222 transmits a collision signal to the control motherboard, causing the control motherboard to control the drive motor 131 to rotate and drive the distance sensing module 12 to descend into the cleaning device 2 to the first operating state. After reaching the position, the second trigger structure 152 aligns and cooperates with the lower detection switch 1512 to send a signal to the control motherboard to stop the rotation of the drive motor 131.

[0062] In the first state of use, the top of the cleaning device 2 can be flat, making the structure neat and beautiful.

[0063] In other embodiments, the control motherboard can directly send user control commands to the drive motor 131. The drive motor 131 rotates and drives the distance sensing module 12 to descend into the cleaning device 2 to the first use state. After it reaches the position, the second trigger structure 152 and the lower detection switch 1512 are aligned and cooperate to send a signal to the control motherboard to stop the drive motor 131 from rotating.

[0064] When the control board needs to measure distance to generate a map or use the sensing body 121, it controls the drive motor 131 to rotate and drive the distance sensing module 12 to rise to the second use state located outside the cleaning equipment 2. After it is in position, the second trigger structure 152 and the upper detection switch 1511 are aligned and cooperate to send a signal to the control board to stop the drive motor 131 from rotating.

[0065] The height of the sensing body 121 of the distance sensing module 12 protruding above the top of the device body 21 when in the second use state can be set according to specific needs, and this disclosure does not impose any limitations on it. For example, the height of the sensing body 121 of the distance sensing module 12 protruding above the top of the device body 21 when in the second use state can be 4-8mm. Furthermore, the height of the sensing body 121 of the distance sensing module 12 protruding above the top of the device body when in the second use state can be 6mm.

[0066] It should be noted that the cleaning equipment 2 mentioned above can be a floor sweeper, a bed sweeper, a glass cleaner, etc., and this disclosure does not limit it.

[0067] The above description is merely a preferred embodiment of this disclosure and is not intended to limit this disclosure in any way. Although this disclosure has been disclosed above with reference to a preferred embodiment, it is not intended to limit this disclosure. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the technical solution of this disclosure. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this disclosure without departing from the content of the technical solution of this disclosure shall still fall within the scope of the technical solution of this disclosure.

Claims

1. A lifting assembly, characterized in that, Applied to cleaning equipment; the lifting assembly includes: Mounting base (135); A distance sensing module (12) is vertically and flexibly mounted on the mounting base (135); the distance sensing module (12) includes a sensing body (121) and a movable body (122) movably connected to the sensing body (121); the movable body (122) is provided with a first trigger structure (1221); the sensing body (121) is provided with a protection switch (1222) located on the movement path of the first trigger structure (1221); A drive control module (13) is assembled on the mounting base (135); the drive control module (13) includes a control motherboard, a drive motor (131) and a converter (133) that is connected to the drive motor (131) in a transmission manner; the sensing body (121) is disposed on the converter (133), and the drive motor (131) and the protection switch (1222) are electrically connected to the control motherboard respectively to drive the distance sensing module (12) to move up and down.

2. The lifting assembly according to claim 1, characterized in that, The distance sensing module (12) includes an elastic reset member (125) and a connector (124) connected to the sensing body (121); the movable body (122) is provided with a guide member (123), the guide member (123) is provided with a first guide hole, the connector (124) passes through the first guide hole and is clearance-fitted with the first guide hole; the elastic reset member (125) abuts against the movable body (122) and the sensing body (121) respectively.

3. The lifting assembly according to claim 2, characterized in that, The active body (122) is provided with at least two guide members (123), and the distance sensing module (12) includes a connector (124) that corresponds to and cooperates with the guide members (123); And / or, the distance sensing module (12) includes at least two of the resilient reset members (125).

4. The lifting assembly according to claim 1, characterized in that, The active body (122) is located at the top of the sensing body (121) in the lifting direction.

5. The lifting assembly according to claim 1, characterized in that, The active body (122) includes a shell (1221a), a cover (1221b) and a voice control module (14). The cover (1221b) is assembled to the shell (1221a) to form an accommodating space; the voice control module (14) is assembled to the accommodating space.

6. The lifting assembly according to claim 1, characterized in that, The protection switch (1222) is located at the top of the sensing body (121) in the lifting direction.

7. The lifting assembly according to claim 1, characterized in that, The adapter (133) is provided with a threaded transmission hole (1332), and the drive control module (13) includes a transmission screw (132); the transmission screw (132) is connected to the output shaft of the drive motor (131), and the transmission screw (132) and the threaded transmission hole (1332) are connected in a transmission manner.

8. The lifting assembly according to claim 7, characterized in that, The drive control module (13) further includes a guide structure (134); the guide structure (134) includes a fixed pressure plate (1341) and a guide post (1342) disposed on the fixed pressure plate (1341); the drive motor (131) is assembled with the fixed pressure plate (1341), and the fixed pressure plate (1341) is fixedly connected to the sensing body (121); the adapter (133) is provided with a second guide hole (1331), and the guide post (1342) is movably inserted into the second guide hole (1331).

9. The lifting assembly according to claim 8, characterized in that, The threaded drive hole (1332) is located in the middle region of the adapter (133); the adapter (133) includes a pair of second guide holes (1331), which are symmetrically arranged on both sides of the threaded drive hole (1332).

10. The lifting assembly according to claim 7, characterized in that, It also includes a lifting detection module (15); the lifting detection module (15) includes a second trigger structure (152) and a circuit board (151) electrically connected to the control motherboard; The second trigger structure (152) is assembled on the adapter (133). The circuit board (151) is provided with an upper detection switch (1511) and a lower detection switch (1512) arranged in the height direction of the main body (21) of the cleaning equipment (2). When the distance sensing module (12) reaches the descent limit position, the second trigger structure (152) and the lower detection switch (1512) cooperate. When the distance sensing module (12) reaches the ascending limit position, the second trigger structure (152) and the upper detection switch (1511) cooperate.

11. The lifting assembly according to claim 10, characterized in that, The upper detection switch (1511) and the lower detection switch (1512) include optocoupler switches, and the second trigger structure (152) includes a light-shielding element.

12. The lifting assembly according to claim 1, characterized in that, The sensing body (121) includes a base, a mounting cover, and a lidar body; the mounting cover is assembled on the base to form an installation space, and the lidar body is assembled in the installation space.

13. The lifting assembly according to claim 1, characterized in that, The first trigger structure (1221) includes a protrusion structure disposed on the side of the active body (122) facing the sensing body (121).

14. A cleaning device, characterized in that, include: The device body (21) and the lifting assembly as described in any one of claims 1-13; the device body (21) has a receiving space therein, and the lifting assembly is assembled in the receiving space; the distance sensing module (12) includes a first use state received in the receiving space and a second use state protruding from the top of the device body (21) in the lifting direction.