CN210697504U

CN210697504U - Cleaning assembly and cleaning robot

Info

Publication number: CN210697504U
Application number: CN201921282857.1U
Authority: CN
Inventors: 杨强; 林伟劲
Original assignee: Narwel Intelligent Technology Dongguan Co ltd
Current assignee: Yunjing Intelligent Innovation Shenzhen Co ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-06-09
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses a clean subassembly and cleaning machines people, wherein, a clean subassembly includes fixed plate, limit brush connecting piece and an adaptor, the adaptor is fixed install in on the fixed plate, the adaptor cover is located outside limit brush connecting piece or the limit brush, just the limit brush connecting piece can for the fixed plate rotates, the limit brush is fixed install in on the limit brush connecting piece, so that the limit brush connecting piece drives the limit brush and rotates. The utility model discloses technical scheme avoids the limit brush collision to produce the noise on the fixed plate.

Description

Cleaning assembly and cleaning robot

Technical Field

The utility model relates to a cleaning machines people technical field, in particular to clean subassembly and cleaning machines people.

Background

The bottom of the cleaning robot is provided with a side brush and a scraping blade, and the side brush is used for collecting and cleaning garbage so as to enlarge the cleaning range of the cleaning robot on the ground. The side brush is fixed on the fixing plate through a side brush connecting piece, and the side brush connecting piece is driven by the rotating shaft to rotate, so that the side brush is driven to rotate. However, a gap exists between the side brush and the fixing plate of the existing cleaning robot, and when the side brush rotates for cleaning, the side brush receives resistance from the step or the scraping blade, so that the side brush jumps, and the side brush jumps and the fixing plate collides to generate noise.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a clean subassembly and cleaning machines people aims at avoiding the limit brush collision to produce the noise on the fixed plate.

In order to achieve the above object, the utility model provides a cleaning assembly includes fixed plate, limit brush connecting piece and a switching piece, the switching piece is fixed install in on the fixed plate, the switching piece cover is located outside limit brush connecting piece or the limit brush, just the limit brush connecting piece can for the fixed plate rotates, the limit brush is fixed install in on the limit brush connecting piece, so that the limit brush connecting piece drives the limit brush and rotates.

Preferably, the adaptor includes a fixing portion, the fixing portion is fixed to the fixing plate, and the side brush connecting member is sleeved in the fixing portion and rotates relative to the fixing portion.

Preferably, the side brush connecting piece comprises a first fixing part, and the first fixing part is accommodated in the fixing part.

Preferably, the adaptor further comprises a rotating part, the rotating part is sleeved in the fixing part and rotates relative to the fixing part, and the side brush connecting piece is fixedly sleeved in the rotating part so as to drive the side brush to rotate.

Preferably, the side brush connecting piece comprises a first fixing part, and the first fixing part is accommodated in the rotating part.

Preferably, the first fixing portion is formed with a second fixing portion in a protruding manner, the edge brush is provided with an edge brush fixing groove, and the second fixing portion is fixed in the edge brush fixing groove.

Preferably, the cleaning assembly further comprises a transmission element, a buffer portion is convexly arranged at one end, back to the side brush, of the first fixing portion, the buffer portion is connected with the transmission element, and the transmission element is used for driving the buffer portion to rotate so as to drive the side brush connecting piece to rotate.

Preferably, one end of the transmission element facing the buffer part is provided with a butt joint groove, the buffer part is accommodated in the butt joint groove, and the buffer part is in transition fit with a groove wall of the butt joint groove.

Preferably, the buffer part is a soft rubber piece.

Preferably, the fixing plate is provided with a mounting hole, and the fixing portion is fixed in the mounting hole.

Preferably, the upper end surface or the lower end surface of the fixing plate is convexly provided with limiting steps distributed around the mounting hole, the limiting steps are provided with limiting grooves with the same diameter as that of the mounting hole, and the mounting hole is communicated with the limiting grooves; the fixing part is convexly provided with a limit boss which is matched and fixed in the limit groove along the side wall.

Preferably, the fixing plate is provided with a mounting hole, and the fixing part is fixedly held in the mounting hole; the cleaning assembly further comprises a first damping element arranged between the side brush and the fixing plate; or the first damping element is arranged between the side brush connecting piece and the fixing plate.

Preferably, the fixing plate is provided with a mounting hole, a containing groove is formed in one surface of the fixing plate facing the side brush, the containing groove is communicated with the mounting hole, and the first damping element abuts against between the groove wall of the containing groove and the side brush.

Preferably, the first damping element is an elastic element, and the elastic element abuts between a groove wall of the accommodating groove and the side brush.

The utility model also provides a cleaning robot, include as above clean subassembly, driving motor and shell, driving motor fixes the inner wall of shell, transmission element's one end with the driving motor transmission is connected, transmission element's the other end with the limit brush connecting piece dorsad the one end of limit brush is connected.

Preferably, the cleaning assembly further comprises a second damping element abutting between the drive motor and the transmission element.

The technical proposal of the utility model is that the fixed plate is provided with the adapter, and the side brush connecting piece passes through the adapter and is connected with the side brush; so set up, the limit brush connecting piece is driven by the rotation axis and is rotated the back, and the limit brush connecting piece also drives the limit brush and rotate, and the limit brush is at the pivoted in-process, and the limit brush connecting piece is under the connection of adaptor is spacing, and limit brush connecting piece and limit brush all rotate stably for limit brush connecting piece and limit brush can not beat, and then can not collide the noise production on the fixed plate, directly avoid limit brush connecting piece and limit brush and fixed plate noise production.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is an exploded view of one embodiment of the cleaning assembly of the present invention;

FIG. 2 is a schematic structural view of an embodiment of the cleaning assembly of the present invention;

FIG. 3 is a schematic cross-sectional view A-A of FIG. 2;

fig. 4 is a partially enlarged view of fig. 3 at B.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Fixing plate	20	Side brush
30	Side brush connecting piece	11	Mounting hole
				40	Adapter	41	Fixing part
31	A first holding part	42	Rotating part
				32	Second fixing part	20a	Side brush holding groove
33	Buffer part	12	Limiting step
				12a	Limiting groove	410	Spacing boss
13	Containing groove	50	First damping element

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a clean subassembly.

In the embodiment of the present invention, referring to fig. 1 to 4, a cleaning assembly includes a fixing plate 10, a side brush 20, a side brush connecting member 30 and an adapter 40, the adapter 40 is fixed on the fixing plate 10, the adapter 40 is sleeved on the side brush connecting member 30, and the side brush connecting member 30 can rotate relative to the fixing plate 10, the side brush 20 is fixed on the side brush connecting member 30, so that the side brush connecting member 30 drives the side brush 20 to rotate.

In this embodiment, a mounting hole 11 is formed on the fixing plate 10, one end of the side brush 20 is connected to one end of the side brush connecting member 30, the other end of the side brush 20 is used for sweeping garbage, and the end of the side brush 20 connected to the side brush connecting member 30 is installed in the mounting hole 11; since the side brush 20 and the side brush attachment 30 are easily different in size during the manufacturing process, the side brush 20 and the side brush attachment 30 are easily provided with a gap when they are mounted in the mounting hole 11. In order to fill the gaps between the side brushes 20 and the side brush connectors 30 and the wall of the mounting hole 11 and reduce the friction between the side brushes 20 and the side brush connectors 30 and the mounting hole 11, a connector 40 is arranged between the side brush connectors 30 and the fixing plate 10, and then the side brushes 20 and the side brush connectors 30 are arranged at the central positions of the connectors 40; so set up, limit brush connecting piece 30 is driven by transmission element 50 and rotates the back, limit brush connecting piece 30 also drives limit brush 20 and rotates, and limit brush 20 is at the pivoted in-process, limit brush connecting piece 30 is under bearing 40's connection is spacing, limit brush connecting piece 30 and limit brush 20 all rotate stably, make limit brush connecting piece 30 and limit brush 20 can not the vertical runout and can not control and rock, and then can not collide the noise that produces on fixed plate 10, directly avoid limit brush connecting piece 30 and limit brush 20 and fixed plate 10 noise production. In this embodiment, the adaptor 40 may employ a bearing or a washer for filling a gap between the side brush attachment 30 and the fixed plate 10 and reducing friction between the side brush attachment 30 and the fixed plate 10.

The technical proposal of the utility model is that the adapter 40 is arranged on the fixed plate 10, and the side brush connecting piece 30 is connected with the side brush 20 through the adapter 40; so set up, limit brush connecting piece 30 is driven by rotation axis 2 and rotates the back, limit brush connecting piece 30 also drives limit brush 20 and rotates, and limit brush 20 is at the pivoted in-process, limit brush connecting piece 30 is under adapter 40's connection is spacing, limit brush connecting piece 30 and limit brush 20 all rotate stably, make limit brush connecting piece 30 and limit brush 20 can not the vertical runout and can not control and rock, and then can not collide the noise production on fixed plate 10, directly avoid limit brush connecting piece 30 and limit brush 20 and fixed plate 10 noise production.

In this embodiment, referring to fig. 1 to 3, the adaptor 40 includes a fixing portion 41, the fixing portion 41 is fixed on the fixing plate 10, and the side brush connector 30 is sleeved in the fixing portion 41 and rotates relative to the fixing portion 41.

In this embodiment, the fixing portion 41 is a washer, and the washer is provided with a through hole for the side brush connecting member 30 to pass through, and the wall of the through hole is in contact with the fixing portion 41; when the side brush attachment 30 is rotated by the driving motor of the cleaning robot, the side brush attachment 30 is in direct contact with the fixing portion 41, but the side brush attachment 30 is rotated relative to the adaptor 40 under the strong power of the driving motor of the side brush attachment 30.

Further, referring to fig. 1 to 3, the hole wall of the through hole of the fixing portion 41 may be a smooth surface, so as to reduce the frictional resistance between the side brush connecting member 30 and the fixing portion 41, and increase the speed at which the side brush connecting member 30 drives the side brush 20 to rotate. In other embodiments, the side brush 20 may be sleeved in the fixing portion 41 and rotate relative to the fixing portion 41, and the side brush connecting member 30 is disposed in the side brush 20 and does not directly contact with the fixing portion 41.

Preferably, the side brush connecting member 30 includes a first holding portion 31, and the first holding portion 31 is received in the fixing portion 41. In the embodiment, the first holding portion 31 is fixed in the fixing portion 41 and does not protrude from the fixing portion 41, and the first holding portion 31 can rotate relative to the fixing portion 41.

Further, referring to fig. 1 to 4, the adaptor 40 further includes a rotating portion 42, the rotating portion 42 is sleeved in the fixing portion 41, the rotating portion 42 rotates relative to the fixing portion 41, and the side brush connecting member 30 is fixedly sleeved in the rotating portion, so that the side brush connecting member drives the side brush to rotate.

In this embodiment, the fixed portion 41 is provided with the rotating portion 42, and the rotating portion 42 can rotate relative to the fixed portion 41, that is, the fixed portion 41 and the rotating portion 42 form a bearing structure, and the side brush attachment 30 is inserted into an inner ring of the bearing; when the side brush connecting piece 30 is driven by the transmission element to rotate, the side brush connecting piece 30 also drives the side brush 20 to rotate, the side brush 20 rotates in the rotating process, the side brush connecting piece 30 can drive the rotating part 42 to rotate, the rotating part 42 rotates relative to the fixing part 41 fixedly connected with the fixing part 10, the side brush connecting piece 30 can be changed from sliding friction to rolling friction by utilizing the rotating part 42, the friction force between the side brush connecting piece 30 and the adapter 40 is reduced, meanwhile, the side brush connecting piece 30 and the side brush 20 can rotate stably, the side brush connecting piece 30 and the side brush 20 cannot jump up and down and cannot swing left and right, further, the side brush connecting piece 30 and the side brush 20 cannot collide with the fixing plate 10 to generate noise, and the side brush connecting piece 30 and the side brush 20 and the fixing plate 10 are directly prevented from.

Preferably, the side brush connecting member 30 includes a first holding portion 31, and the first holding portion 31 is received in the rotating portion 42. In the embodiment, the first holding portion 31 is fixed in the rotating portion 42 and does not protrude from the rotating portion 42, and the first holding portion 31 can rotate relative to the rotating portion 42 to ensure that the side brush connecting member 30 can stably rotate in the rotating portion 42.

Further, referring to fig. 1 to 3, the first holding portion 31 is formed with a second holding portion 32 in a protruding manner, the edge brush 20 is provided with an edge brush holding groove, and the second holding portion 32 is held in the edge brush holding groove.

In the embodiment, the second fixing portion 32 is protruded from one end of the first fixing portion 31, and the second fixing portion 32 is connected to the side brush fixing groove of the side brush 20 in a fitting manner, so that the second fixing portion 32 can be used to realize a tight connection with the side brush 20 while the connection tightness between the side brush connecting member 30 and the rotating portion 42 is ensured, thereby improving the cleaning effect of the cleaning robot.

Further, referring to fig. 1 to 3, the cleaning assembly further includes a transmission element (not shown), a buffer portion 33 is convexly disposed at an end of the first holding portion 31 facing away from the edge brush 20, the buffer portion 33 is connected to the transmission element, and the transmission element is configured to drive the buffer portion 33 to rotate, so as to drive the edge brush connector 30 to rotate.

In this embodiment, the transmission element is a rotation shaft, and one end of the rotation shaft is connected to the buffer portion on the first holding portion 31, so that the rotation shaft can drive the first holding portion 31 connected to the buffer portion 33 to rotate. The buffer portion 33 buffers the pressure between the first holding portion 31 and the transmission element by its own deformation during the rotation process, thereby further reducing the noise generated during the movement of the first holding portion 31 and the transmission element.

Further, referring to fig. 1 to 3, an end of the transmission element facing the buffer portion 33 is provided with a butt-joint groove (not shown), the buffer portion 33 is accommodated in the butt-joint groove, and the buffer portion 33 is in transition fit with a groove wall of the butt-joint groove.

In this embodiment, since the adaptor 40 is fixed on the fixing plate 10, the left and right side brushes 20 of the cleaning robot cannot be mounted due to errors when they are butted with the transmission element, so that the groove wall of the butting groove is in transition fit with the buffer portion 33, that is, when the size of the transmission element is large, the buffer portion 33 and the groove wall of the butting groove are in interference fit, but when the size of the transmission element is small, although there is a gap between the buffer portion 33 and the groove wall of the butting groove, the buffer portion 33 is still limited in the butting groove and can be driven by the transmission element to rotate. Through above setting, avoid installation error to lead to the installation not last.

Preferably, referring to fig. 1 to 3, the buffer portion 33 is a soft rubber member. The soft rubber part can be made of silica gel or plastic. In this embodiment, the soft material of the soft rubber of the buffer portion 33 is used, so that when the buffer portion 33 abuts against the rotating shaft of the cleaning robot for movement, the buffer portion 33 deforms correspondingly after being squeezed, so as to absorb the noise from the rotating shaft 2, thereby achieving the purpose of reducing the noise. Specifically, the buffer part 33 includes a first buffer ring and a second buffer column, one end of the second buffer column is connected with one end of the first buffer ring, and the first buffer ring and the second buffer column enclose to form the limiting groove; the first buffer ring is arranged around the circumferential side wall of the side brush connecting piece 30, and one surface of the first buffer ring, which is back to the side brush connecting piece 30, is connected with the central hole wall of the adapter 40; one end of the second buffer column is connected with one end of the connection protrusion 32, which faces away from the side brush connector 30, and one end of the second buffer column 331, which is far away from the side brush 20, is connected with a transmission element of the cleaning robot. In the case where the buffer 33 is not provided, the buffer 33 may be formed by directly extending the side brush attachment 30; in the case of the buffer 33, the second buffer strut is mainly plugged into the mating groove of the transmission element. In the present embodiment, the buffer portion 33 is provided with the first buffer ring and the second buffer column, and the first buffer ring is used to buffer the torque of the side brush attachment 30 in the circumferential direction, so as to reduce the noise of the side brush attachment 30 colliding with the hole wall of the central hole of the adaptor 40; meanwhile, the second buffer column is used for buffering the axial torque from the rotating shaft, so that the friction noise generated when the side brush connecting piece 30 is driven by the transmission element to rotate is reduced, and through the arrangement, the collision noise caused by the rotation of the side brush connecting piece 30 is further reduced.

Preferably, referring to fig. 1 to 3, the fixing plate 10 is provided with a mounting hole 11, and the fixing portion 41 is held in the mounting hole 11.

Furthermore, the upper end surface or the lower end surface of the fixing plate 10 is convexly provided with limiting steps 12 distributed around the mounting hole 11, the limiting steps 12 are provided with limiting grooves 12a with the same diameter as the mounting hole 11, and the mounting hole 11 is communicated with the limiting grooves 12 a; the fixing portion 41 is provided with a limiting boss 410 protruding along the sidewall thereof and adapted to be fixed in the limiting groove 12 a.

In this embodiment, the adaptor 40 is clamped with the limiting groove 12a of the limiting step 12 on the fixing plate 10 through the limiting boss 410, so that the adaptor 40 is limited in the vertical direction of the fixing plate 10, the adaptor 40 is not easy to separate from the fixing plate 10, the side brush 20 and the side brush connecting piece 30 can be stably rotated at the central hole of the adaptor 40, and the noise generated when the side brush 20 and the side brush connecting piece 30 collide on the fixing plate 10 is further reduced.

Further, referring to fig. 1 to 3, a mounting hole 11 is opened on the fixing plate 10, and the fixing portion 41 is held in the mounting hole 11. The cleaning assembly further comprises a first damping element 50, wherein the first damping element 50 is arranged between the side brush 20 and the fixing plate 10; alternatively, the first damping member 50 is disposed between the side brush attachment 30 and the fixing plate 10.

In this embodiment, by disposing the first damping element 50 between the side brush 20 and the fixing plate 10, the elastic force of the first damping element 50 can be used to offset the pressure generated when the side brush 20 rotates on the fixing plate 10, thereby reducing the noise between the side brush 20 and the fixing plate 10;

or by providing the first damping member 50 between the side brush attachment 30 and the fixed plate 10, the pressure generated when the side brush attachment 30 rotates on the fixed plate 10 can be offset by the elastic force of the first damping member 50, thereby reducing the noise between the side brush attachment 30 and the fixed plate 10.

Further, referring to fig. 1 to 3, a mounting hole 11 is formed in the fixing plate 10, a receiving groove 13 is formed in a surface of the fixing plate 10 facing the side brush 20, the receiving groove 13 is communicated with the mounting hole 11, and the first damping element 50 abuts between a wall of the receiving groove 13 and the side brush 20.

In the present embodiment, the first damping element 50 is disposed between the accommodating cavity 13 and the side brush 20 by disposing the accommodating groove 13 on the surface of the fixing plate 10 facing the side brush, that is, disposing the accommodating groove 13 on the lower end surface of the fixing plate 10, so that the first damping element 50 can be limited in the accommodating cavity 13; when the first damping member 50 rotates along with the side brush connector 30 and the side brush 20, the first damping member 50 can be stably confined in the accommodating cavity 13 and stably offset noise between the side brush connector 30 or the side brush 20 and the fixing plate 10.

Preferably, in this embodiment, the first damping element 50 is an elastic member, and the elastic member abuts between a groove wall of the accommodating groove 13 and the side brush 20. That is, the first damping element 50 may be a compression spring or a compression spring plate, specifically, the first damping element includes a spring plate ring and a plurality of spring plate legs disposed at the periphery of the spring plate ring, and the plurality of spring plate legs are disposed at intervals; the elastic sheet ring is abutted against the fixed plate, and the elastic sheet feet arranged around the elastic sheet ring are abutted against the side brush or the side brush connecting piece. In other embodiments, the first damping element 50 may also be a spring plate made of elastic material.

The utility model discloses still provide a cleaning machines people, refer to fig. 1 to 3, include as above clean subassembly, driving motor and shell, driving motor fixes the inner wall of shell, transmission element's one end with the driving motor transmission is connected, transmission element's the other end with limit brush connecting piece 30 dorsad the one end of limit brush 20 is connected.

In this embodiment, the driving motor is powered on to drive the transmission element to rotate, the transmission element drives the side brush connecting member 30 to rotate, and the side brush connecting member 30 uses the adaptor 40 to reduce the friction between the side brush connecting member 30 and the fixing plate 10 during the rotation process, so as to reduce the noise generated when the side brush connecting member 30 and the side brush 20 rotate on the fixing plate 10. In the present embodiment, the cleaning robot is of a type of a cleaning robot, a mopping robot, a sweeping and mopping integrated robot, or the like. The cleaning robot is provided with a cleaning member and a traveling unit. The cleaning robot performs self-movement along a set cleaning path under the driving of the traveling unit, and cleans the floor by the cleaning member. For the cleaning robot, the cleaning piece is an edge brush, and the cleaning robot further comprises a dust suction opening arranged at the bottom of the cleaning robot, a scraping blade and a dust box arranged in the cleaning robot. In the cleaning process, the side brush sweeps dust, garbage and the like to the side of the scraping blade of the dust collection device, and the scraping blade collects the dust, the garbage and the like below the dust collection port, so that the dust collection device absorbs the dust, the garbage and the like and temporarily stores the dust, the garbage and the like in the dust box. The utility model discloses the scheme is used on cleaning machines people limit brush.

Further, the cleaning assembly further comprises a second damping element (not shown) abutting between the driving motor and the transmission element.

In this embodiment, the second damping element is the elastic component, and driving motor and transmission element utilize the second damping element to produce corresponding deformation after bearing driving motor and transmission element's pressure when rotary motion, and then the noise that reducible driving motor and transmission element sent promotes the noise reduction effect of clean subassembly.

Further, referring to fig. 1 to 3, a hole wall of the mounting hole 11 is in interference fit with an outer peripheral wall of the adaptor 40. In this embodiment, the fixing plate 10 is a rigid plastic part, and the adaptor 40 is a metal part, and the fixing plate 10 is directly installed on the fixing plate 10 when still being subjected to thermoplastic molding with the adaptor 40 in the thermoplastic molding process, and after the fixing plate 10 is subjected to thermoplastic molding and cooled, the adaptor 40 can be melted and integrated by the material of the fixing plate 10, so as to improve the tightness of the connection between the hole wall of the mounting hole 11 of the fixing plate 10 and the peripheral wall of the adaptor 40. The fixing plate 10 is provided with the mounting hole 11 with a diameter smaller than the diameter of the outer periphery of the adaptor 40, that is, the hole wall of the mounting hole 11 is in interference fit with the outer periphery wall of the adaptor 40, so that the effect of tight connection between the hole wall of the mounting hole 11 and the outer periphery wall of the adaptor 40 is further improved.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. The utility model provides a cleaning assembly, its characterized in that includes fixed plate, limit brush connecting piece and an adaptor, the adaptor is fixed install in on the fixed plate, the adaptor cover is located outside limit brush connecting piece or the limit brush, just limit brush connecting piece rotates for the fixed plate, limit brush is fixed install in on the limit brush connecting piece, so that limit brush connecting piece drives the limit brush and rotates.

2. The cleaning assembly of claim 1, wherein the adapter includes a fixing portion fixed to the fixing plate, and the edge brush attachment member is disposed in the fixing portion and rotates relative to the fixing portion.

3. The cleaning assembly of claim 2, wherein the side brush attachment member includes a first retaining portion, the first retaining portion being received in the retaining portion.

4. The cleaning assembly of claim 2, wherein the adapter further comprises a rotating portion, the rotating portion is sleeved in the fixing portion and rotates relative to the fixing portion, and the edge brush connecting member is fixedly sleeved in the rotating portion, so that the edge brush connecting member drives the edge brush to rotate.

5. The cleaning assembly of claim 4, wherein the side brush attachment member includes a first retaining portion, the first retaining portion being received within the rotating portion.

6. The cleaning assembly as claimed in claim 3 or 4, wherein the first holding portion is formed with a second holding portion protruding therefrom, the edge brush is provided with an edge brush holding groove, and the second holding portion is held in the edge brush holding groove.

7. The cleaning assembly of claim 6, further comprising a transmission element, wherein a buffer portion is protruded from an end of the first holding portion opposite to the edge brush, the buffer portion is connected to the transmission element, and the transmission element is configured to drive the buffer portion to rotate so as to drive the edge brush connecting member to rotate.

8. The cleaning assembly of claim 7, wherein the end of the transmission element facing the bumper portion is provided with an abutment slot, the bumper portion is received in the abutment slot, and the bumper portion is in transition fit with a slot wall of the abutment slot.

9. The cleaning assembly of claim 8, wherein the bumper is a soft rubber member.

10. The cleaning assembly of any one of claims 2 to 4, wherein the fixing plate defines a mounting hole therein, and the fixing portion is retained in the mounting hole.

11. The cleaning assembly as claimed in claim 10, wherein the fixing plate is provided with a limiting step protruding from the upper or lower end surface thereof and distributed around the mounting hole, and the limiting step is provided with a limiting groove having a diameter corresponding to that of the mounting hole, and the mounting hole is communicated with the limiting groove; the fixing part is convexly provided with a limit boss which is matched and fixed in the limit groove along the side wall.

12. The cleaning assembly of any one of claims 2 to 5, wherein the fixing plate has a mounting hole therein, and the fixing portion is held in the mounting hole; the cleaning assembly further comprises a first damping element arranged between the side brush and the fixing plate; or the first damping element is arranged between the side brush connecting piece and the fixing plate.

13. The cleaning assembly of claim 12, wherein the fixing plate has a mounting hole, the fixing plate has a receiving groove on a surface facing the side brush, the receiving groove is in communication with the mounting hole, and the first damping member abuts between a wall of the receiving groove and the side brush.

14. The cleaning assembly of claim 13, wherein the first damping element is a resilient member, and the resilient member abuts between a wall of the receiving channel and the side brush.

15. A cleaning robot comprising a cleaning assembly as claimed in any one of claims 1 to 14, a driving motor fixed to an inner wall of the housing, a housing, and a transmission member having one end drivingly connected to the driving motor and the other end connected to an end of the side brush attachment member facing away from the side brush.

16. The cleaning robot of claim 15, wherein the cleaning assembly further comprises a second damping element abutting between the drive motor and the transmission element.