Roller brush assembly, cleaning device, and cleaning system

Abstract

A roller brush assembly, a cleaning device, and a cleaning system, which relate to the technical field of cleaning devices. The roller brush assembly (100) comprises a brush body (10) and a driving wheel set (20). The brush body (10) comprises a tubular body (11) and blades (12), wherein the blades (12) extend on the outer wall of the tubular body (11) from one axial end of the tubular body (11) to the other axial end thereof, a plurality of blades (12) are arranged at intervals in the circumferential direction of the outer wall of the tubular body (11), and the blades (12) are flexible blades; and the tubular body (11) is sleeved on the driving wheel set (20), and the driving wheel set (20) is capable of driving the tubular body (11) to rotate. Under the driving of the driving wheel set (20), the blades (12) are capable of deforming in response to the movement of the tubular body (11), thereby creating a tendency towards oscillation. After the deformation of the flat blades, the contact area with a surface to be cleaned is increased, thereby enhancing a frictional effect on debris, and improving the cleaning effect.

Description

Rolling brush assembly, cleaning device and cleaning system

[0001] Cross-reference to Related Applications

[0002] This application claims priority to Chinese Patent Application No. 202421906220.6, filed on August 7, 2024, the disclosure of which is incorporated herein in its entirety as part of the present application. TECHNICAL FIELD

[0003] The present application relates to the technical field of cleaning devices, and in particular to a rolling brush assembly, a cleaning device and a cleaning system. BACKGROUND

[0004] In related technologies, during cleaning, hair can be entangled on the surface of the brush body, which can cause device failure and stop running, or the hair stays on the surface of the brush body and affects the cleaning effect. SUMMARY

[0005] Therefore, the present application provides a rolling brush assembly, a cleaning device and a cleaning system, which can improve the cleaning effect.

[0006] A first aspect of the present application provides a rolling brush assembly, which comprises a brush body and a driving wheel set. The brush body comprises a cylinder and blades, the blades extend from one end to the other end of the cylinder along the axial direction of the cylinder, a plurality of blades are arranged at intervals along the circumferential direction of the outer wall of the cylinder, and the blades are soft blades. The cylinder is sleeved on the driving wheel set, and the driving wheel set can drive the cylinder to rotate.

[0007] In some embodiments, the brush body further comprises a limiting piece arranged on the inner wall of the cylinder, and the limiting piece is arranged along the circumferential direction of the inner wall of the cylinder to limit the axial direction of the brush body.

[0008] In some embodiments, the limiting piece is arranged on the inner wall of the cylinder at both ends of the axial direction of the cylinder, or the limiting piece is located between both ends of the axial direction of the cylinder.

[0009] In some embodiments, the limiting piece is formed in a rack shape along the circumferential direction of the inner wall of the cylinder.

[0010] In some embodiments, the limiting piece comprises limiting teeth arranged at intervals along the circumferential direction of the inner wall of the cylinder.

[0011] In some embodiments, the blades comprise first blades and second blades, the height of the first blades is greater than the height of the second blades, and the first blades and the second blades are alternately arranged according to a preset number.

[0012] In some embodiments, the first leaf and the second leaf are each one in number, and the distance between adjacent first leaves is 5-10 mm.

[0013] In some embodiments, the first leaf has a thickness of 0.4-1.0 mm, and the ratio of the height dimension to the thickness dimension of the first leaf is greater than or equal to 10.

[0014] In some embodiments, the first leaf and the second leaf are each one in number, and the distance between adjacent first leaves is 5-10 mm; the first leaf has a thickness of 0.4-1.0 mm, and the ratio of the height dimension to the thickness dimension of the first leaf is greater than or equal to 10.

[0015] In some embodiments, a plurality of the leaves are arranged in parallel, and each of the leaves is formed in a straight line, a wavy line, a spiral line, or a V-shaped line.

[0016] In some embodiments, the drive wheel set comprises a seat body, a coupling shaft, and at least one drive wheel. The drive wheel comprises a supporting shaft, the cylinder body is sleeved on the supporting shaft, and the supporting shaft can drive the cylinder body to rotate; the two ends of the supporting shaft are respectively provided with the seat body, and the supporting shaft is rotatably connected with the seat body; the coupling shaft is drivingly connected with one end of the supporting shaft.

[0017] In some embodiments, the drive wheel further comprises a flexible cylinder, the flexible cylinder is sleeved on the supporting shaft, the cylinder body is sleeved on the flexible cylinder, and the flexible cylinder can drive the cylinder body to rotate.

[0018] In some embodiments, the supporting shaft comprises a first step, a second step, a supporting section, and a limiting section, the first step and the second step respectively protrude from the supporting section and the limiting section in the radial direction of the supporting shaft; the two first steps are respectively located at the two ends of the supporting shaft, the two second steps are respectively located between the two first steps, the limiting section is located between the two second steps, the two supporting sections are respectively located between adjacent first steps and second steps, the two flexible cylinders are respectively sleeved on the corresponding supporting sections, the first step and the second step limit the flexible cylinder, and the two second steps limit the brush body in the axial direction of the supporting shaft.

[0019] In some embodiments, the driving wheel set further comprises a bearing, both ends of the supporting shaft have accommodating cavities, the seat body comprises a seat plate and at least one supporting column, the supporting column is connected with the seat plate, the supporting column protrudes from both sides of the seat plate, one end of the supporting column is provided in the accommodating cavity, and the bearing is sleeved on one end of the supporting column in the accommodating cavity and connected with the supporting shaft; at least one supporting column has a hollow cavity penetrating in the axial direction of the supporting column, and the connecting shaft is provided in the hollow cavity and the accommodating cavity and drivingly connected with the supporting shaft.

[0020] In some embodiments, the driving wheel set further comprises a bracket, the bracket is located between the two driving wheels, the cylinder is sleeved on the two driving wheels and the bracket, the cylinder is spaced apart from the bracket, both ends of the bracket are respectively connected with the corresponding seat body, and the connecting shaft is drivingly connected with one end of the supporting shaft of one of the driving wheels.

[0021] In some embodiments, the driving wheel set further comprises a fastener, the seat body has a first mounting hole, both ends of the bracket have a second mounting hole, and the fastener is provided in the first mounting hole and the second mounting hole to connect the seat body and the bracket.

[0022] In some embodiments, the seat body has a first limiting part, both ends of the bracket have a second limiting part, and the first limiting part and the second limiting part are limitingly connected; one of the first limiting part and the second limiting part is a limiting gap, and the other of the first limiting part and the second limiting part is a limiting column.

[0023] In some embodiments, the driving wheel set further comprises a fastener, the seat body has a first mounting hole, both ends of the bracket have a second mounting hole, and the fastener is provided in the first mounting hole and the second mounting hole to connect the seat body and the bracket; the seat body has a first limiting part, both ends of the bracket have a second limiting part, and the first limiting part and the second limiting part are limitingly connected; one of the first limiting part and the second limiting part is a limiting gap, and the other of the first limiting part and the second limiting part is a limiting column.

[0024] According to the rolling brush assembly provided by the embodiment of the present application, the driving wheel set can drive the cylinder to rotate and drive the blades to rotate to clean. Under the driving of the driving wheel set, the brush body rolls relative to the surface to be cleaned to collect dust, debris, hair and other garbage on the surface to be cleaned. During cleaning, the blades can deform following the movement of the cylinder to form a swinging trend. After the flat blades deform, the contact area with the surface to be cleaned is increased, the friction with the garbage is increased, and the cleaning effect is improved. The plurality of blades are arranged at intervals in the circumferential direction. Under the deformation of the blades, the garbage with large particles can be clamped between adjacent blades to improve the cleaning effect of the garbage with large particles. A dust collection space can be formed between the two adjacent blades to collect dust, debris, hair and other garbage on the surface to be cleaned. Meanwhile, the plurality of blades swing together, and the front and rear blades continuously clean to enhance the cleaning effect of stubborn stains. The deformation of the blades and the interval arrangement of the plurality of blades increase the length required for the hair to wind around the brush body, so that the hair is not easy to wind around the brush body.

[0025] The second aspect of the embodiment of the present application provides a cleaning device, which comprises a shell, a driving assembly and the rolling brush assembly described in any of the above. The shell has an opening and a containing space which are in communication with each other. The rolling brush assembly is installed on the shell and located in the containing space. At least part of the blades protrude from the shell along the opening. The driving assembly is arranged on the shell and drivingly connected with the driving wheel set.

[0026] According to the cleaning device provided by the embodiment of the present application, the blades protrude from the shell. During cleaning, the blades deform after abutting against the surface to be cleaned, clean the surface to be cleaned, can improve the cleaning coverage of dust, hair, debris and other garbage, increase the cleaning area, and improve the cleaning effect.

[0027] The third aspect of the embodiment of the present application provides a cleaning device, which comprises a shell, a driving assembly and the rolling brush assembly described in any of the above. The shell comprises a cover body and a bottom shell. The cover body has a mounting groove and a first opening and a containing space which are in communication with each other. The rolling brush assembly is installed on the cover body and located in the containing space. At least part of the seat body is clamped in the mounting groove. The bottom shell has a second opening which is in communication with the first opening. The bottom shell is connected with the cover body and covers the mounting groove. At least part of the blades protrude from the bottom shell along the second opening. The driving assembly is arranged on the cover body and drivingly connected with the connecting shaft.

[0028] According to the cleaning device provided by the embodiment of the present application, at least part of the seat body is clamped in the mounting groove, and the cover body and the bottom shell are detachably connected. When disassembled, the bottom shell is first disassembled, and then the seat body is taken out of the mounting groove, so that the entire rolling brush assembly can be disassembled. The disassembly steps can be simplified, and the disassembly efficiency can be improved.

[0029] In some embodiments, the shell further comprises a barrier, a plurality of the barriers being arranged on the bottom shell and located at the front side of the cleaning device in the advancing direction.

[0030] The fourth aspect of the embodiments of the present application provides a cleaning system, which comprises the cleaning device according to any one of the above.

[0031] The cleaning system provided by the embodiments of the present application has the same beneficial effects as the cleaning device described above. BRIEF DESCRIPTION OF DRAWINGS

[0032] Fig. 1 is a structural schematic diagram of a rolling brush assembly according to an embodiment of the present application;

[0033] Fig. 2 is a front view of the rolling brush assembly shown in Fig. 1;

[0034] Fig. 3 is a structural schematic diagram of a brush body according to an embodiment of the present application;

[0035] Fig. 4 is a structural schematic diagram of a brush body according to another embodiment of the present application;

[0036] Fig. 5 is a front view of the brush body shown in Fig. 4;

[0037] Fig. 6 is a structural schematic diagram of a driving wheel set according to an embodiment of the present application;

[0038] Fig. 7 is a structural schematic diagram of the driving wheel set shown in Fig. 6 from another perspective, wherein the flexible cylinder is not shown;

[0039] Fig. 8 is a structural schematic diagram of a coupling shaft according to an embodiment of the present application;

[0040] Fig. 9 is a structural schematic diagram of a supporting shaft according to an embodiment of the present application;

[0041] Fig. 10 is an exploded structural schematic diagram of Fig. 6 at A;

[0042] Fig. 11 is a structural schematic diagram of a bracket according to an embodiment of the present application;

[0043] Fig. 12 is a structural schematic diagram of a seat body according to an embodiment of the present application;

[0044] Fig. 13 is a front view of the seat body shown in Fig. 12;

[0045] Fig. 14 is a rear view of the seat body shown in Fig. 12;

[0046] Fig. 15 is a partial structural schematic diagram of a cleaning device according to an embodiment of the present application;

[0047] Fig. 16 is a partial structural schematic diagram of the cleaning device shown in Fig. 15 from another perspective;

[0048] Fig. 17 is a front view of the cleaning device shown in Fig. 15;

[0049] Fig. 18 is a structural schematic view of a cover according to an embodiment of the present application;

[0050] Fig. 19 is a structural schematic view of a bottom shell and a barrier according to an embodiment of the present application.

[0051] The reference signs are explained as follows: roller brush assembly 100; brush body 10; barrel 11; inner wall 111; outer wall 112; blade 12; first blade 121; second blade 122; limiting piece 13; limiting tooth 131; drive wheel set 20; fastener 21; drive wheel 22; support shaft 221; accommodating cavity 221a; first step 2211; second step 2212; support section 2213; limiting section 2214; flexible barrel 222; seat body 23; seat plate 231; support column 232; hollow cavity 232a; first mounting hole 23a; first limiting part 233; coupling shaft 24; spline shaft 241; bearing 25; bracket 26; second mounting hole 26a; second limiting part 261; groove 262; groove wall 2621; cleaning device 200; shell 210; cover 211; mounting groove 211a; first opening 211b; accommodating space 211c; air inlet 211d; bottom shell 212; second opening 212a; barrier 213; drive assembly 220. DETAILED DESCRIPTION

[0052] The embodiments of the present application will be further described in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0053] It should be noted that in the embodiments of the present application, the orientation or position relationship of "upper", "front" and the like is based on the orientation or position relationship shown in the drawings. It should be understood that these orientation terms are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The present application will be further described in detail below in conjunction with the drawings and specific embodiments. In addition, the terms "first", "second", and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0054] In the description of the embodiments of the present application, it should be noted that unless otherwise explicitly specified and limited, the term "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above-mentioned terms in the embodiments of the present application can be understood according to the specific circumstances.

[0055] In the embodiments of the present application, unless specifically defined and limited otherwise, the first feature is "on" the second feature can mean that the first feature and the second feature are in direct contact, or the first feature and the second feature are in indirect contact through an intermediate medium.

[0056] In the description of the specification, the description of the terms "some embodiments", "exemplarily", "specifically" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiments or examples are contained in at least one embodiment or example of the embodiments of the present application. In the specification, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine different embodiments or examples described in the present application and the features of different embodiments or examples without contradiction.

[0057] In the related art, during cleaning, hair can be entangled on the surface of the brush body in the cleaning device, which can cause device failure to stop running or the hair remaining on the surface of the brush body to affect the cleaning effect.

[0058] Therefore, referring to FIGS. 1-2, the embodiments of the present application provide a roller brush assembly 100 which can be used in a cleaning device such as a sweeping robot to clean garbage including but not limited to hair, dust, debris and the like. The roller brush assembly 100 includes a brush body 10 and a driving wheel set 20. The brush body 10 is used to clean dust, debris, hair and other garbage on the surface to be cleaned. Under the driving action of the driving wheel set 20, the brush body 10 rolls relative to the surface to be cleaned, and collects the dust, debris, hair and other garbage on the surface to be cleaned. The brush body 10 drives the garbage to be sucked into the dust collection box of the cleaning device under the action of suction.

[0059] The brush body 10 includes a cylinder 11 and a blade 12, which can be integrally formed or manufactured separately and then installed together. The blade 12 is a soft blade, and the blade 12 extends from the outer wall 112 of the cylinder 11 along the axial direction of the cylinder 11 from one end to the other end. The extension trends of the plurality of blades 12 are the same. The plurality of blades 12 are arranged at intervals along the circumference of the outer wall 112 of the cylinder 11. The cylinder 11 is sleeved on the driving wheel set 20, and the cross section of the cylinder 11 can form a circle or a racetrack according to the contact surface with the driving wheel set 20. The driving wheel set 20 can drive the cylinder 11 to rotate, and drive the blade 12 to rotate for cleaning. For example, the driving wheel set 20 and the cylinder 11 can be driven through gear engagement, or through the friction between the contact surfaces of the driving wheel set 20 and the cylinder 11.

[0060] The blade 12 is generally flat, and the thickness of the blade 12 is thin, which can be 0.4-1.0 mm, for example, 0.4 mm, 0.6 mm, 0.8 mm or 1.0 mm. The thickness of the blade 12 refers to the size of the blade 12 along the rotation direction. The blade 12 is made of soft material, for example, TPU (Thermoplastic polyurethanes), PVC (Polyvinyl chloride) or PU (Poly Urethane), etc. The soft material has strong flexibility and elasticity, and can be deformed under external force and restored to the original state after the external force disappears. For example, the material of the blade 12 can be TPU. TPU has excellent wear resistance and elasticity. It has excellent wear resistance, low wear and good elasticity, and can quickly restore to the original state after the external force disappears. For example, the hardness of the blade 12 can be 60-90 HA, and HA refers to the unit of Shore A hardness. The material of the cylinder 11 can be the same as or different from that of the blade 12. When the cylinder 11 and the blade 12 are integrally formed, the same soft material can be used, for example, both are TPU.

[0061] In this way, the blade 12 can be deformed to follow the movement of the cylinder 11 during cleaning, forming a swinging trend. After the deformation of the flat blade 12, the contact area with the surface to be cleaned is increased, the friction effect on the garbage is increased, and the cleaning effect is improved. At the same time, the plurality of blades 12 swing together, and the front and rear blades 12 continuously clean, which can enhance the cleaning effect of stubborn stains. The plurality of blades 12 are arranged at intervals in the circumferential direction of the outer wall 112 of the cylinder 11. The circumferential direction of the outer wall 112 refers to the annular direction formed by the outer wall 112 along the cross section perpendicular to the axial direction of the cylinder 11. In this way, a dust collecting space can be formed between the adjacent two blades 12 to collect the garbage such as dust, debris and hair on the contact surface.

[0062] The plurality of blades 12 are arranged at intervals in the circumferential direction of the outer wall 112 of the cylinder 11. The circumferential direction of the outer wall 112 refers to the annular direction formed by the outer wall 112 along the cross section perpendicular to the axial direction of the cylinder 11. In this way, a dust collecting space can be formed between the adjacent two blades 12 to collect the garbage such as dust, debris and hair on the contact surface.

[0063] For example, referring to FIGS. 3-5, the plurality of blades 12 are arranged in parallel, and each blade 12 can be formed in a straight line to push the garbage in parallel. In this way, the manufacturing difficulty can be reduced, and the production cost can be reduced.

[0064] In some embodiments not shown, the blades are arranged in parallel, and each blade can also be formed in a wavy line, a spiral line or a V-shaped line arrangement. The wavy line blade can improve the clamping effect of the blade on large-particle debris and other garbage, reducing the possibility of falling during movement after the blade clamps the garbage. The spiral line blade can push the garbage to one side. The V-shaped line blade can move the garbage from both sides to the sharp angle in the middle.

[0065] The height of the blade 12 can be consistent or different. The height of the blade 12 refers to the length between the end of the blade 12 connected to the cylinder 11 and the end away from the cylinder 11. In some embodiments, referring to FIGS. 4 and 5, the heights of all the blades 12 on the brush body 10 are consistent. When the surface to be cleaned is relatively hard or the garbage is mostly large-particle, the consistent length of the blade 12 can increase the cleaning intensity and improve the cleaning effect.

[0066] In some embodiments, referring to FIG. 3, the heights of the blades 12 on the brush body 10 are inconsistent. The blades 12 include first blades 121 and second blades 122. The height of the first blade 121 is greater than that of the second blade 122, and the first blades 121 and the second blades 122 are arranged alternately according to a preset number. The cooperation of the first blades 121 and the second blades 122 can clean different sizes of garbage and dust more effectively. The first blades 121 can penetrate into gaps and corners, facilitating the capture of larger garbage and debris. The second blades 122 located between adjacent first blades 121 can serve as a support. The first blades 121 can form a dust collection space. The garbage enters the dust collection space and then moves with the cylinder 11 to the dust suction place of the cleaning equipment. Under the support of the second blades 122, the garbage can be easily swept into the first blades 121, thereby improving the cleaning effect. Moreover, the possibility of winding of hair and other garbage around the outer periphery of the brush body 10 can be reduced.

[0067] The preset number of the alternation of the first blades 121 and the second blades 122 is not limited. For example, referring to FIG. 3, a single first blade 121 and a single second blade 122 can be arranged alternately repeatedly. In some embodiments not shown, a single first blade 121 and multiple second blades 122 can be arranged alternately repeatedly; or multiple first blades 121 and a single second blade 122 can be arranged alternately repeatedly; or multiple first blades 121 and multiple second blades 122 can be arranged alternately repeatedly.

[0068] In some embodiments, the plurality of blades 12 are arranged in parallel, and a height dimension to thickness dimension ratio of at least some of the blades 12 is greater than or equal to 10, for example 10, 11 or 12. When all of the blades 12 have a uniform height, the height dimension to thickness dimension ratio of all of the blades 12 can be greater than or equal to 10, for example 10, 11 or 12. When the blades 12 include a first blade 121 having a higher height and a second blade 122 having a lower height, the height dimension to thickness dimension ratio of the first blade 121 is greater than or equal to 10, for example 10, 11 or 12. By adjusting the height to thickness ratio of the blades 12, different models of the brush body 10 can be produced to meet the cleaning requirements of different sites and improve the cleaning effect in different sites.

[0069] In some embodiments, the plurality of blades 12 are arranged in parallel, and a first blade 121 and a second blade 122 are arranged alternately in a repeating manner. The distance between two adjacent first blades 121 is 5-10 mm, for example 5 mm, 6 mm, 7 mm, 8 mm, 9 mm or 10 mm. The second blade 122 is located between the two adjacent first blades 121. For example, the distance between the second blade 122 and the two adjacent first blades 121 is equal. In this way, the deformation of the first blade 121 can be well controlled, which can improve the cleaning effect and make the support force of the second blade 122 more uniform, thereby improving the user experience.

[0070] In some embodiments, referring to FIGS. 3-5, the brush body 10 further includes a limiting member 13 arranged on the inner wall 111 of the barrel 11. The limiting member 13 is arranged along the circumference of the inner wall 111 of the barrel 11 to limit the axial movement of the brush body 10 along the barrel 11.

[0071] The limiting member 13 is arranged along the circumference of the inner wall 111 of the barrel 11, which can improve the limiting effect of the barrel 11 and reduce the possibility of displacement of the barrel 11 relative to the driving wheel set 20 along the axial direction.

[0072] The position of the limiting member 13 is not limited as long as it can limit the axial movement of the brush body 10 along the barrel 11. In some embodiments, the limiting member 13 is arranged on the inner wall 111 of the barrel 11 at both ends of the barrel 11 along the axial direction. In other embodiments, the limiting member 13 is arranged on the inner wall 111 of the barrel 11 between the two ends of the barrel 11 along the axial direction. For example, referring to FIG. 3, the limiting member 13 is arranged on the inner wall 111 of the barrel 11 at a position between the two ends of the barrel 11 along the axial direction.

[0073] The limiting member 13 can be integrally formed with the barrel 11 and the blade 12, which can facilitate production and increase the structural strength of the brush body 10. The limiting member 13 can also be separately manufactured from the barrel 11 and the blade 12. The limiting member 13, the barrel 11 and the blade 12 can be made of the same or different materials according to performance requirements. The limiting member 13 can have various structural forms, such as a continuous annular limiting rib or limiting protrusions arranged at intervals along the annulus.

[0074] In some embodiments, referring to FIG. 3, the limiting member 13 includes limiting teeth 131 arranged at intervals along the circumference of the inner wall 111 of the barrel 11. The limiting teeth 131 can have various cross-sectional shapes, such as trapezoidal, square or triangular shapes, etc. Adjacent two limiting teeth 131 have a gap, which can provide a certain deformation space when the limiting teeth 131 function as a limiting member, thereby reducing the possibility of jamming when the barrel 11 rotates.

[0075] In some embodiments not shown, the limiting member 13 is formed in the form of a rack along the circumference of the inner wall 111 of the barrel 11. The rack-shaped limiting member 13 has a rack base and limiting teeth arranged at intervals on the rack base, which can have various cross-sectional shapes, such as trapezoidal, square or triangular shapes, etc. The rack base can increase the overall strength of the brush body 10 and further reduce the possibility of axial movement of the brush body 10. Adjacent two limiting teeth have a gap, which can provide a certain deformation space when the limiting teeth function as a limiting member, thereby reducing the possibility of jamming when the barrel 11 rotates.

[0076] In some embodiments, referring to FIGS. 6-7, the driving wheel set 20 is configured to provide power for the rotation of the brush body 10. The driving wheel set 20 includes a seat body 23, a coupling shaft 24 and at least one driving wheel 22, such as one, two or more. The driving wheel 22 includes a support shaft 221, on which the barrel 11 is sleeved, and the support shaft 221 can drive the barrel 11 to rotate. The seat body 23 is arranged at both ends of the support shaft 221, and the support shaft 221 is rotatably connected to the seat body 23. The coupling shaft 24 is drivingly connected to one end of the support shaft 221. The coupling shaft 24 is powered by a driving assembly of the cleaning equipment, and the driving connection between the coupling shaft 24 and the support shaft 221 drives the support shaft 221 to rotate the barrel 11, and the blade 12 rotates with the barrel 11 to achieve cleaning. When there are two or more driving wheels 22, the driving wheel 22 connected to the coupling shaft 24 is the driving wheel, and the driving wheel 22 not connected to the coupling shaft 24 is the driven wheel.

[0077] Exemplarily, the driving wheel set 20 comprises two driving wheels 22. The barrel 11 is sleeved on the two driving wheels 22, for example, through tooth engagement connection, that is, the inner wall of the barrel 11 and the outer wall of the driving wheel 22 are provided with teeth capable of engaging. The two driving wheels 22 are provided, which can increase the outer circumferential area of the brush body 10, increase the contact area of the brush body 10 with the contact surface, increase the number of the blades 12, and can reduce the possibility of garbage such as hair winding on the brush body 10.

[0078] The axial center distance between the two adjacent driving wheels 22 is 20-50 mm, for example, 20 mm, 30 mm, 40 mm or 50 mm. By reasonably setting the axial center distance of the two driving wheels 22, the number of blades 12 in contact with the surface to be cleaned can be controlled, and different models of the roller brush assembly 100 are formed to meet different market demands.

[0079] Exemplarily, the seat body 23 is used to install and fix the driving wheel 22 and the connecting shaft 24, forming an integral small assembly component. When the seat body 23, the driving wheel 22 and the connecting shaft 24 and other components are worn or damaged and need to be replaced, the integral disassembly can simplify the maintenance process and improve the maintenance efficiency.

[0080] In some embodiments, referring to FIG. 6, the driving wheel 22 further comprises a flexible cylinder 222, the flexible cylinder 222 is sleeved on the supporting shaft 221, the barrel 11 is sleeved on the flexible cylinder 222, and the flexible cylinder 222 can drive the barrel 11 to rotate, for example, the flexible cylinder 222 drives the barrel 11 to rotate through friction. The supporting shaft 221 is generally made of a material with high structural strength, for example, the supporting shaft 221 is made of metal. The flexible cylinder 222 is generally made of soft material and can deform under external force. During assembly, the flexible cylinder 222 can be sleeved on the supporting shaft 221 through deformation and tightly fit with the supporting shaft 221, so that the inner wall of the flexible cylinder 222 is attached to the outer wall of the supporting shaft 221. The barrel 11 can also be made of soft material and be sleeved on the flexible cylinder 222 through deformation and tightly fit with the flexible cylinder 222.

[0081] Exemplarily, the barrel 11 and the flexible cylinder 222 can be made of the same soft material. For example, the barrel 11 can be made of TPU, and the flexible cylinder 222 can also be made of TPU.

[0082] In some embodiments, referring to FIG. 6, the driving wheel 22 is two, the driving wheel set 20 further comprises a bracket 26, the bracket 26 is located between the two driving wheels 22, the barrel 11 is sleeved on the two driving wheels 22 and the bracket 26, the barrel 11 is spaced apart from the bracket 26, the two ends of the bracket 26 are connected with the corresponding seat bodies 23 respectively, and the connecting shaft 24 is drivingly connected with one end of the supporting shaft 221 of one of the driving wheels 22.

[0083] In this embodiment, the seat body 23 can provide a mounting position for the support 26, and the barrel 11 is arranged at a distance from the support 26, so that the support 26 does not affect the normal operation of the barrel 11. When the barrel 11 is deformed, the support 26 can support the barrel 11, increase the contact area of all the blades 12 with the surface to be cleaned, and improve the cleaning effect.

[0084] In some embodiments, referring to FIGS. 6 and 7, the support shaft 221 includes a first step 2211, a second step 2212, a support segment 2213, and a limiting segment 2214. The first step 2211 and the second step 2212 protrude from the support segment 2213 and the limiting segment 2214 along the radial direction of the support shaft 221. Two first steps 2211 are respectively located at two ends of the support shaft 221, two second steps 2212 are respectively located between the two first steps 2211, the limiting segment 2214 is located between the two second steps 2212, and two support segments 2213 are respectively located between adjacent first steps 2211 and second steps 2212. Two flexible barrels 222 are respectively sleeved on the corresponding support segments 2213, and the first steps 2211 and the second steps 2212 limit the flexible barrels 222. The two second steps 2212 are used to limit the axial movement of the brush body 10 along the support shaft 221.

[0085] In this embodiment, the two second steps 2212 protrude from the limiting segment 2214, and a recessed limiting space is formed at the limiting segment 2214. The limiting member 13 is located in the limiting space, and the two second steps 2212 limit the axial movement of the limiting member 13, thereby limiting the axial movement of the barrel 11. This prevents the barrel 11 from moving axially and causing a large displacement, which affects the cleaning effect.

[0086] The adjacent first steps 2211 and second steps 2212 protrude from the support segment 2213, and a recessed limiting space is formed at the support segment 2213. The flexible barrel 222 is located in the limiting space, and the first steps 2211 and the second steps 2212 limit the axial movement of the flexible barrel 222, thereby limiting the axial movement of the flexible barrel 222. This prevents the flexible barrel 222 from moving axially and causing a large displacement, which drives the barrel 11 to move axially and cause a large displacement, thereby affecting the cleaning effect.

[0087] In some embodiments, referring to Figs. 7-10, the driving wheel set 20 further comprises a bearing 25, the bearing 25 having a receiving cavity 221a at both ends of the supporting shaft 221; referring to Figs. 12-14, the seat body 23 comprises a seat plate 231 and at least one supporting column 232, the supporting column 232 being connected with the seat plate 231, the supporting column 232 protruding from both sides of the seat plate 231, one end of the supporting column 232 penetrating the receiving cavity 221a, the bearing 25 being sleeved on one end of the supporting column 232 and located in the receiving cavity 221a and connected with the supporting shaft 221; the at least one supporting column 232 has a hollow cavity 232a penetrating along the axial direction of the supporting column 232, the coupling shaft 24 penetrating the hollow cavity 232a and the receiving cavity 221a and being drivingly connected with the supporting shaft 221.

[0088] In this embodiment, the bearing 25 is used to reduce the friction between the supporting shaft 221 and the seat body 23, to make the rotation of the supporting shaft 221 more smooth, and to support the supporting shaft 221 and improve the structural strength of the driving wheel set 20. The bearing 25 is located in the receiving cavity 221a, so that the supporting shaft 221 can maintain a stable axial position during rotation, preventing transmission failure and affecting the cleaning effect due to axial movement of the supporting shaft 221.

[0089] In some embodiments not shown, the bearing 25 can also not be used, and the part of the supporting column 232 of the seat body 23 that cooperates with the supporting shaft 221 is made of self-lubricating material, such as copper.

[0090] For example, referring to Fig. 8, the coupling shaft 24 comprises a spline shaft 241, the spline shaft 241 having a key groove on the surface, the inner wall of the supporting shaft 221 having a key groove adapted to the spline shaft 241, the spline shaft 241 being cooperated with the supporting shaft 221 to rotate, so as to improve the driving stability. The supporting column 232 has the hollow cavity 232a, the coupling shaft 24 being powered by a driving assembly of the cleaning equipment, the coupling shaft 24 penetrating the hollow cavity 232a and the receiving cavity 221a and being drivingly connected with the supporting shaft 221, so as to drive the supporting shaft 221 to rotate the cylinder body 11, and the blade 12 moving with the cylinder body 11 to achieve cleaning.

[0091] For example, referring to Fig. 11, the bracket 26 has a groove 262 corresponding to the position of the limiting section 2214, the groove 262 having two groove walls 2621, the two groove walls 2621 being used to limit the axial direction of the brush body 10 along the supporting shaft 221. In this way, the two groove walls 2621 and the two second steps 2212 together limit the axial direction of the brush body 10 along the supporting shaft 221, so as to improve the limiting effect.

[0092] In some embodiments, referring to FIGS. 11-14, the driving wheel set 20 further comprises a fastener 21 (see FIG. 6), the seat body 23 has a first mounting hole 23a and a first limiting portion 233, and the bracket 26 has a second mounting hole 26a and a second limiting portion 261 at two ends thereof; the fastener 21 is arranged through the first mounting hole 23a and the second mounting hole 26a to connect the seat body 23 and the bracket 26; and the first limiting portion 233 and the second limiting portion 261 limit the connection, wherein one of the first limiting portion 233 and the second limiting portion 261 is a limiting gap, and the other of the first limiting portion 233 and the second limiting portion 261 is a limiting column.

[0093] In this embodiment, the seat body 23 and the bracket 26 are fastened and connected by arranging the fastener 21 through the first mounting hole 23a and the second mounting hole 26a. The stability of the connection between the seat body 23 and the bracket 26 can be further improved by inserting the limiting column into the limiting gap. In addition, the alignment is facilitated by the cooperation between the limiting column and the limiting gap during installation, and the installation speed can be improved. It can be understood that the connection between the bracket 26 and the seat body 23 can be installed only by arranging the fastener 21 through the first mounting hole 23a and the second mounting hole 26a, or only by inserting the limiting column into the limiting gap.

[0094] For example, the fastener 21 is a bolt, the second mounting hole 26a is a threaded hole, and the fastener 21 is screwed to connect the seat body 23 and the bracket 26.

[0095] For example, the bracket 26 has a limiting gap at two sides thereof, the seat body 23 has a limiting column opposite to the limiting gap, the limiting column is inserted into the limiting gap to align the seat body 23 and the bracket 26, and then the fastener 21 is installed to fasten and connect the seat body 23 and the bracket 26.

[0096] The application further provides a cleaning device 200, referring to FIGS. 15-19, which comprises a shell 210, a driving assembly 220, and the roller brush assembly 100 of any one of the embodiments of the application; the shell 210 has an opening and a containing space 211c which are in communication with each other, the roller brush assembly 100 is installed on the shell 210 and located in the containing space 211c, and at least part of the blades 12 protrude out of the shell 210 along the opening; the driving assembly 220 is arranged on the shell 210 and drivingly connected with the driving wheel set 20.

[0097] The cleaning device 200 can be a sweeping machine or a sweeping and washing integrated machine, which can be used for cleaning the ground in a factory, a shopping mall, an office, or a home, and has a good cleaning effect on dust, hair, and debris.

[0098] In this embodiment, the blade 12 protrudes from the shell 210, and is deformed after abutting against the contact surface during cleaning, so that the end portion adheres to the contact surface to clean. Thus, the cleaning coverage of dust, hair, debris and other garbage can be improved, the cleaning area is increased, and the cleaning effect is improved.

[0099] In some embodiments, referring to FIGS. 18-19, the shell 210 includes a cover 211 and a bottom shell 212. The cover 211 has a mounting groove 211a, a first opening 211b, a containing space 211c and a suction port 211d which are in communication with each other. The roller brush assembly 100 is mounted on the cover 211 and located in the containing space 211c. At least part of the seat body 23 is clamped in the mounting groove 211a. The bottom shell 212 has a second opening 212a which is in communication with the first opening 211b, and together forms an opening of the shell 210. The bottom shell 212 is connected with the cover 211 and covers the mounting groove 211a. At least part of the blade 12 protrudes from the bottom shell 212 along the second opening 212a. The driving assembly 220 is arranged on the cover 211 and is drivingly connected with the connecting shaft 24.

[0100] In this embodiment, the seat body 23 is partially clamped in the mounting groove 211a. When disassembling, the cover 211 and the bottom shell 212 are detachably connected. First, the bottom shell 212 is removed, and then the seat body 23 is pulled out of the mounting groove 211a. Thus, the entire roller brush assembly 100 can be removed.

[0101] Specifically, the support column 232 of the seat body 23 at one end of the roller brush assembly 100 is released from the fixing of the corresponding mounting groove 211a, so that the support column 232 at one end is pulled out of the mounting groove 211a. Then, the support column 232 of the seat body 23 at the other end is pulled out of the corresponding mounting groove 211a. Thus, the entire roller brush assembly 100 can be disassembled. When assembling, the support column 232 of the seat body 23 at one end is first placed into the corresponding mounting groove 211a, and then the support column 232 of the seat body 23 at the other end is placed into the corresponding mounting groove 211a. Thus, the entire roller brush assembly 100 is assembled. Finally, the cover 211 and the bottom shell 212 are fixedly connected. In this way, the disassembly and assembly steps can be simplified, and the disassembly and assembly efficiency can be improved.

[0102] In some embodiments, the shell 210 further includes a plurality of blocking pieces 213 which are arranged on the bottom shell 212 and located on the front side in the forward direction of the cleaning device 200. Under the support of the blocking pieces 213, the bottom shell 212 forms a certain angle with the surface to be cleaned. The closer the blade 12 is to the blocking piece 213, the more part of the blade 12 protrudes from the bottom shell 212.

[0103] In this embodiment, the barrier 213 can isolate some elongated objects, such as electric wires, from being involved in the rolling brush assembly 100, so as to reduce the influence on the normal operation of the cleaning device 200. By supporting the bottom shell 212 to a certain height by the barrier 213, the deformation of the blades 12 increases during the movement from the front to the back, which is beneficial to the rolling of garbage between adjacent blades 12, and the garbage is continuously pushed to the air inlet 211d by the deformation of the blades 12, so as to further improve the cleaning effect.

[0104] It can be understood that, in order to improve the cleaning effect, the first blade 121 can protrude from the shell 210 for a longer length, and the second blade 122 can protrude from the shell 210 for a shorter length. For example, the second blade 122 is in contact with the surface to be cleaned at least at some positions during the rotation, so as to provide a supporting effect.

[0105] Exemplarily, the cleaning device 200 further comprises a control program, and after being powered on, the cleaning device 200 can be automatically operated according to the planned route for cleaning by the program, without manual operation of the cleaning device 200, so as to be convenient and fast to use.

[0106] The embodiments of the present application also provide a cleaning system comprising the cleaning device 200 of any of the embodiments of the present application. Exemplarily, the cleaning system further comprises a high-pressure cleaning machine, a polishing machine or a dehumidifier, or other devices. The cleaning machine can clean the surface of the object by the high-pressure cleaning machine, so as to wash away the dirt. The polishing machine can be used for polishing the ground or the wall, so as to make the ground or the wall bright and clean. The dehumidifier can dry the ground by blowing or drying. The cleaning device can be operated alone or in combination with other devices.

[0107] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A rolling brush assembly, comprising: a brush body comprising a barrel and blades, the blades extending from an outer wall of the barrel along an axial direction of the barrel from one end to another end, a plurality of the blades being arranged along a circumferential direction of the outer wall of the barrel, the blades being soft blades; a driving wheel set, the barrel being sleeved on the driving wheel set, the driving wheel set being capable of driving the barrel to rotate.

2. The roll brush assembly of claim 1, wherein, The brush body further comprises a limiting member arranged on an inner wall of the barrel, the limiting member being arranged along a circumferential direction of the inner wall of the barrel to limit the brush body along an axial direction of the barrel.

3. The roll brush assembly of claim 2, wherein, The limiting member is arranged on the inner wall of the barrel at both ends along the axial direction of the barrel, or the limiting member is located between the two ends of the inner wall of the barrel along the axial direction of the barrel.

4. The roll brush assembly of claim 2 or 3, wherein, The limiting member is formed in a rack shape along the circumferential direction of the inner wall of the barrel, or the limiting member comprises limiting teeth arranged along the circumferential direction of the inner wall of the barrel.

5. The roll brush assembly of any one of claims 1-3, wherein, The blades comprise first blades and second blades, the first blades having a height greater than that of the second blades, the first blades and the second blades being alternately arranged according to a preset number.

6. The roll brush assembly of claim 5, wherein, The preset number of the first blades and the second blades is one, and the distance between adjacent first blades is 5-10 mm; and / or, The thickness of the first blades is 0.4-1.0 mm, and the ratio of the height dimension to the thickness dimension of the first blades is greater than or equal to 10.

7. The roll brush assembly of any one of claims 1-6, wherein, A plurality of the blades are arranged in parallel, and each of the blades is formed in a straight line, a wavy line, a spiral line or a V-shaped line.

8. The roll brush assembly of any of claims 1-7, wherein, The driving wheel set comprises: at least one driving wheel, the driving wheel comprising a supporting shaft, the barrel being sleeved on the supporting shaft, the supporting shaft being capable of driving the barrel to rotate; a seat body, the seat body being arranged at both ends of the supporting shaft, the supporting shaft being rotatably connected with the seat body; a coupling shaft, one end of the supporting shaft being drivingly connected with the coupling shaft.

9. The roll brush assembly of claim 8, wherein, The driving wheel further comprises a flexible barrel, the flexible barrel being sleeved on the supporting shaft, the barrel being sleeved on the flexible barrel, the flexible barrel being capable of driving the barrel to rotate.

10. The roll brush assembly of claim 9, wherein, The supporting shaft comprises a first step, a second step, a supporting segment and a limiting segment, the first step and the second step being respectively protruded from the supporting segment and the limiting segment along a radial direction of the supporting shaft; two first steps are respectively located at both ends of the supporting shaft, two second steps are respectively located between the two first steps, the limiting segment is located between the two second steps, two supporting segments are respectively located between adjacent first steps and second steps, two flexible barrels are respectively sleeved on corresponding supporting segments, the first step and the second step limit the flexible barrel, and the two second steps limit the brush body along an axial direction of the supporting shaft.

11. The roll brush assembly of any one of claims 8-10, wherein, The driving wheel set further comprises a bearing, both ends of the supporting shaft having accommodating cavities, and the seat body comprises: a seat plate; At least one supporting column is connected with the seat plate, the supporting column protrudes from both sides of the seat plate, one end of the supporting column penetrates the accommodating cavity, the bearing sleeve is arranged on one end of the supporting column and located in the accommodating cavity and connected with the supporting shaft; at least one of the supporting columns has a hollow cavity penetrating along the axial direction of the supporting column, the connecting shaft penetrates the hollow cavity and the accommodating cavity and is drivingly connected with the supporting shaft.

12. The roll brush assembly of any of claims 8-11, wherein, The driving wheel set further comprises a support, the support is located between the two driving wheels, the cylinder is sleeved on the two driving wheels and the support, the cylinder is arranged in a spaced manner with the support, both ends of the support are respectively connected with the corresponding seat body, and one end of the supporting shaft of one of the driving wheels is drivingly connected with the connecting shaft.

13. The roll brush assembly of claim 12, wherein, The driving wheel set further comprises a fastener, the seat body is provided with a first mounting hole, both ends of the support are respectively provided with a second mounting hole, and the fastener penetrates the first mounting hole and the second mounting hole to connect the seat body and the support. And / or, The seat body is provided with a first limiting part, both ends of the support are respectively provided with a second limiting part, and the first limiting part and the second limiting part are limitedly connected; one of the first limiting part and the second limiting part is a limiting gap, and the other of the first limiting part and the second limiting part is a limiting column.

14. A cleaning device, comprising: the roller brush assembly according to any one of claims 1-13; a housing having an opening and an accommodating space in communication with each other, the roller brush assembly is installed in the housing and located in the accommodating space, and at least part of the blades protrude from the housing along the opening; a driving assembly arranged on the housing and drivingly connected with the driving wheel set.

15. A cleaning device, comprising: the roller brush assembly according to any one of claims 8-13; a housing comprising a cover and a bottom shell, the cover is provided with a mounting groove and a first opening and an accommodating space in communication with each other, the roller brush assembly is installed in the cover and located in the accommodating space, and at least part of the seat body is clamped in the mounting groove; the bottom shell is provided with a second opening in communication with the first opening, the bottom shell is connected with the cover and covers the mounting groove, and at least part of the blades protrude from the bottom shell along the second opening; a driving assembly arranged on the cover and drivingly connected with the connecting shaft.

16. The cleaning apparatus of claim 15, wherein, The housing further comprises a barrier, a plurality of barriers are arranged in a spaced manner on the bottom shell and located on the front side in the forward direction of the cleaning device.

17. A cleaning system wherein, The cleaning device comprises any one of claims 14-16. The cleaning device comprises any one of claims 14-16.

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