CN112568799A

CN112568799A - Rolling brush cover assembly, rolling brush mechanism and sweeping robot

Info

Publication number: CN112568799A
Application number: CN202011554623.5A
Authority: CN
Inventors: 黄忠平; 余丛; 林海利; 黄现安; 唐兴潮; 武朝阳
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-03-30

Abstract

The present invention relates to a rolling brush cap assembly, comprising: the pressing plate comprises a plate body; the rolling brush cover comprises a cover body; a buckle is arranged on one of the plate body and the cover body, a buckling position is arranged on the other of the plate body and the cover body, and the buckle and the buckling position are buckled with each other; and the scraping strip is abutted between the rolling brush cover and the pressing plate. In the rolling brush cover component, the pressing plate is assembled on the rolling brush cover through the matching of the buckle and the buckling position, so that the scraping strip is fixed between the scraping strip and the rolling brush cover through the pressing plate. When the sweeping robot works, the garbage on the ground is gathered to the dust suction port through the scraping strip, so that the rolling brush assembly can conveniently sweep the garbage. In addition, in the process of assembling the rolling brush cover assembly, only the buckle and the buckle position need to be buckled, the assembling of a fastener is not needed, the assembling mode is simplified, and the working efficiency is improved.

Description

Rolling brush cover assembly, rolling brush mechanism and sweeping robot

Technical Field

The invention relates to the technical field of intelligent electric appliances, in particular to a rolling brush cover assembly, a rolling brush mechanism and a sweeping robot.

Background

Along with the development of economy and the progress of society, the quality requirement of people on life is higher and higher, so some intelligent electrical appliances capable of freeing hands are produced. The sweeping robot is used as one of intelligent household appliances and plays an increasingly important role in daily life of people.

The sweeping robot generally comprises a dust collection system, a traveling system and a power supply system, wherein the dust collection system is used for collecting dust on the ground, the traveling system is used for driving the sweeping robot to move, and the power supply system is used for providing working energy for the dust collection system and the traveling system. Generally, the dust collecting system includes a rolling brush mechanism, the rolling brush mechanism includes a housing, a rolling brush assembly and a rolling brush cover assembly, the rolling brush cover assembly is connected to the housing and encloses to form a rolling brush cavity, and the rolling brush assembly is disposed in the rolling brush cavity to be installed in the rolling brush cavity and protect the rolling brush assembly. The rolling brush cover assembly comprises a rolling brush cover, a scraping strip and a pressing plate, wherein the pressing plate is assembled on the rolling brush cover through screws so as to enable the scraping strip to be abutted between the rolling brush cover and the pressing plate. However, the pressing plate is assembled through the screws, so that the operation is complex, and the assembly efficiency is low.

Disclosure of Invention

The invention provides a rolling brush cover component, a rolling brush mechanism and a sweeping robot aiming at the problem of low assembly efficiency of the rolling brush cover component.

A rolling brush cap assembly, comprising:

the pressing plate comprises a plate body;

the rolling brush cover comprises a cover body; a buckle is arranged on one of the plate body and the cover body, a buckling position is arranged on the other of the plate body and the cover body, and the buckle and the buckling position are buckled with each other; and

the scraping strip is abutted between the rolling brush cover and the pressing plate.

In the rolling brush cover component, the pressing plate is assembled on the rolling brush cover through the matching of the buckle and the buckling position, so that the scraping strip is fixed between the scraping strip and the rolling brush cover through the pressing plate. When the sweeping robot works, the garbage on the ground is gathered to the dust suction port through the scraping strip, so that the rolling brush assembly can conveniently sweep the garbage. In addition, in the process of assembling the rolling brush cover assembly, only the buckle and the buckle position need to be buckled, the assembling of a fastener is not needed, the assembling mode is simplified, and the working efficiency is improved.

In one embodiment, the plate body has two opposite first sides in a first direction parallel to the direction in which the wiper strip extends; in a second direction perpendicular to the first direction, the plate body has two opposite second sides;

the quantity of buckle is a plurality of, first side reaches the second side all is provided with the buckle, it is a plurality of to correspond on the lid the buckle sets up a plurality ofly detain the position, every the buckle with correspond detain the position lock.

In one embodiment, the two first sides of the plate body are provided with the buckles.

In one embodiment, one of the plate body and the cover body is provided with a limiting piece, and the other of the plate body and the cover body is provided with a limiting groove; and the limiting part is assembled in the limiting groove in a limiting way along the direction vertical to the direction of the pressing plate pointing to the rolling brush cover.

In one embodiment, the limiting member includes a first limiting member disposed on the plate body, and the limiting groove includes a first limiting groove disposed on the cover body; the first limiting part limiting device is arranged in the first limiting groove along the direction vertical to the direction of the pressing plate pointing to the rolling brush cover.

In one embodiment, the buckle is disposed at one of the two second sides of the board body, and the first position-limiting member is disposed at the other of the two second sides.

In one embodiment, the limiting member includes a second limiting member disposed on the plate body, and the limiting groove includes a second limiting groove disposed on the cover body; the second limiting part limiting device is arranged in the second limiting groove along the direction vertical to the direction of the pressing plate pointing to the rolling brush cover;

the second limiting part is located between the two first sides, the second limiting part is located between the two second sides, and the second limiting groove is arranged corresponding to the second limiting part.

In one embodiment, the limiting member includes a third limiting member disposed on the cover body, and the limiting groove includes a third limiting groove disposed on the plate body; and the third limiting part limiting device is arranged in the third limiting groove along the direction vertical to the direction of the pressing plate pointing to the rolling brush cover.

In one embodiment, in a direction in which one of the two second sides of the plate body points to the other, the second limiting member is located between the first limiting member and the third limiting groove;

a plurality of first limiting pieces, a plurality of second limiting pieces and a plurality of third limiting grooves are arranged at intervals in the direction that one of the two first sides of the plate body points to the other one of the two first sides of the plate body;

the first limiting groove, the second limiting groove and the third limiting piece are correspondingly provided with a plurality of limiting grooves at intervals.

A rolling brush mechanism comprises a shell, a rolling brush assembly and the rolling brush cover assembly, wherein the rolling brush cover assembly is matched with the shell and encloses to form a rolling brush cavity, and the rolling brush assembly is arranged in the accommodating cavity.

A sweeping robot comprises a rolling brush mechanism.

Drawings

Fig. 1 is a schematic structural view of a sweeping robot according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a brush roll cover assembly according to an embodiment of the present disclosure;

FIG. 3 is an exploded view of the roll brush cover assembly of FIG. 2;

FIG. 4 is a schematic view of a platen of the roll brush cover assembly of FIG. 3 from a perspective;

FIG. 5 is a schematic view of a perspective view of a roller cover of the roller cover assembly of FIG. 3;

FIG. 6 is a schematic view of another perspective of a platen in the roll brush lid assembly shown in FIG. 3;

FIG. 7 is a schematic view of the alternative view of the roller cover assembly shown in FIG. 3.

200. A rolling brush mechanism; 210. a roll brush assembly; 100. a roller brush cap assembly; 10. pressing a plate; 12. a plate body; 121. a first side; 123. a second side; 14. buckling; 15. a first limit piece; 17. a second limiting member; 19. a third limiting groove; 30. a rolling brush cover; 32. a cover body; 33. a dust suction port; 34. buckling; 35. a first limit groove; 37. a second limit groove; 39. a third limiting member; 50. and (6) scraping the strips.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly 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 the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

In an embodiment of the present invention, a floor sweeping robot is provided, including a dust collection system, a traveling system and a power supply system, where the dust collection system is used to collect dust on the ground, the traveling system is used to drive the floor sweeping robot to move, and the power supply system is used to provide working energy for the dust collection system and the traveling system.

The dust collection system comprises a rolling brush mechanism, a dust collection box, an air duct and a fan, wherein the dust collection box is connected with an outlet of the rolling brush mechanism, and the air duct is connected between the dust collection box and the fan; the rolling brush mechanism during operation takes the subaerial dust up, then through the suction that the fan produced, will be mixed with the air suction of dust inside the robot of sweeping the floor, the air current that is mixed with the dust is filtered in the dust collecting box when the dust collecting box, and clean air is discharged after the fan from the wind channel, so realizes the dust absorption function.

Referring to fig. 1, the rolling brush mechanism 200 includes a housing, a rolling brush assembly 210, and a rolling brush cover assembly 100, wherein the rolling brush cover assembly 100 is coupled to the housing and encloses to form a rolling brush cavity, and the rolling brush assembly 210 is disposed in the rolling brush cavity to install and protect the rolling brush assembly 210 through the rolling brush cavity. Specifically, the housing has an opening, the rolling brush assembly 210 is disposed in the housing through the opening, and the rolling brush cover assembly 100 is disposed at the opening and coupled to the housing. In this way, a rolling brush chamber is defined between the housing and the rolling brush cover assembly 100 to assemble the rolling brush assembly 210 in the rolling brush chamber.

Referring to fig. 2-5, in some embodiments, the rolling brush cover assembly 100 includes a pressing plate 10, a rolling brush cover 30 and a scraping strip 50, the pressing plate 10 includes a plate body 12, the rolling brush cover 30 includes a cover body 32, a buckle 14 is disposed on one of the plate body 12 and the cover body 32, a buckle position 34 is disposed on the other of the plate body 12 and the cover body 32, the buckle 14 and the buckle position 34 are buckled with each other, so that the plate body 12 and the cover body 32 are coupled with each other, and the scraping strip 50 abuts between the rolling brush cover 30 and the pressing plate 10. In this way, the pressing plate 10 is assembled on the roll brush cover 30 by the engagement of the snaps 14 with the snap locations 34 to fix the bar 50 between the bar 50 and the roll brush cover 30 by the pressing plate 10. In this way, when the sweeping robot works, the garbage on the ground is gathered to the dust suction opening through the scraping strip 50, and the rolling brush assembly 210 is convenient to sweep the garbage. In addition, in the process of assembling the roller brush cover assembly 100, only the buckle 14 and the buckle position 34 need to be buckled, and a fastener does not need to be assembled, so that the assembling mode is simplified, and the working efficiency is improved.

The rolling brush cover 30 is provided with a dust suction port communicated with the rolling brush cavity, the rolling brush assembly 210 can contact with the ground through the dust suction port to bring dust and other garbage on the ground, and then the garbage is sucked into the sweeping robot through negative pressure to finish dust suction.

Referring to fig. 4-7, further, in a lengthwise direction opposite to the direction in which the wiper strip 50 extends, the plate body 12 has two opposite first sides 121; in a second direction perpendicular to the first direction, the plate body 12 has two opposite second sides 123; the number of the fasteners 14 is plural, the fasteners 14 are disposed on the first side 121 and the second side 123 of the board body 12, a plurality of fastening positions 34 are disposed on the cover body 32 corresponding to the fasteners 14, and each fastener 14 is fastened with the corresponding fastening position 34. Equivalently, set up multiunit buckle 14 and detain position 34, multiunit buckle 14 and detain position 34 and lay along the circumference interval of plate body 12, and all set up buckle 14 at first side 121 and the second side 123 of circumference, and then can form a plurality of lock points through a plurality of buckles 14 to plate body 12 and lid 32, improve the assembly reliability of plate body 12 and lid 32.

Furthermore, the two first sides 121 of the plate body 12 are provided with the fasteners 14, which is equivalent to the fasteners 14 provided on the left and right sides of the pressing plate 10 in the view shown in fig. 2, so as to improve the fastening effect between the pressing plate 10 and the rolling brush cover 30.

In some embodiments, one of the plate body 12 and the cover body 32 is provided with a limiting member, and the other of the plate body 12 and the cover body 32 is provided with a limiting groove; the limiting member is limitedly assembled in the limiting groove along a direction perpendicular to a direction in which the pressing plate 10 points to the roll brush cover 30. In this way, the relative positions of the plate body 12 and the cover body 32 are positioned by the matching of the limiting member and the limiting groove, so that the pressing plate 10 is assembled at the preset position of the rolling brush cover 30 to extrude and fix the scraping strip 50.

Further, the limiting member includes a first limiting member 15 disposed on the plate body 12, and the limiting groove includes a first limiting groove 35 disposed on the cover body 32; the first position-limiting member 15 is positioned in the first position-limiting groove 35 along a direction perpendicular to a direction in which the pressing plate 10 points to the rolling brush cover 30. Thus, the first limiting member 15 is disposed on the plate 12, the first limiting groove 35 is disposed on the cover 32, the first limiting member 15 on the plate 12 is aligned with the first limiting groove 35 during assembly, and then the plate 12 is pressed toward the cover 32, so that the buckle 14 is buckled with the buckle position 34, and the assembly of the roller brush cover assembly 100 can be completed.

Further, a buckle 14 is disposed on one of the two second sides 123 of the plate body 12, and a first limiting member 15 is disposed on the other of the two second sides 123, so that the buckle 14 and the first limiting member 15 are disposed on two sides of the plate body 12, and positioning and buckling are performed from different directions, thereby improving assembly efficiency.

In some embodiments, the limiting member includes a second limiting member 17 disposed on the plate body 12, and the limiting groove includes a second limiting groove 37 disposed on the cover body 32; the second limiting piece 17 is limited in the device and the second limiting groove 37 along the direction vertical to the direction of the pressing plate 10 pointing to the rolling brush cover 30; moreover, the second limiting member 17 is located between the two first sides 121, the second limiting member 17 is located between the two second sides 123, and the second limiting groove 37 is disposed corresponding to the second limiting member 17. In this way, the pressing plate 10 is accurately positioned on the brush roller cover 30 by the co-positioning of the first limiting member 15 located at the outer periphery and the second limiting member 17 located at the center, which corresponds to the second limiting member 17 provided at the central region of the plate body 12.

In some embodiments, the limiting member includes a third limiting member 39 disposed on the cover 32, and the limiting groove includes a third limiting groove 19 disposed on the plate 12; the third limiting member 39 is limitedly fitted in the third limiting groove 19 in a direction perpendicular to a direction in which the pressing plate 10 is directed to the roll brush cover 30. Thus, the first limiting member 15, the second limiting member 17 and the third limiting groove 19 are arranged on the plate body 12, the first limiting groove 35, the second limiting groove 37 and the third limiting member 39 are arranged on the cover body 32, that is, the limiting members are arranged on the plate body 12, and the limiting members are arranged on the cover body 32, so that the limiting members and the cover body are mutually limited, the positioning precision is further improved, and the installation reliability is ensured.

Further, in the direction in which one of the two second sides 123 of the plate body 12 points to the other, the second limiting member 17 is located between the first limiting member 15 and the third limiting groove 19; in a direction in which one of the two first sides 121 of the plate body 12 points to the other, a plurality of first limiting members 15, a plurality of second limiting members 17, and a plurality of third limiting grooves 19 are disposed at intervals, and a plurality of first limiting grooves 35, a plurality of second limiting grooves 37, and a plurality of third limiting members 39 are disposed at intervals correspondingly. Namely, the plate body 12 is provided with a row of first limiting parts 15, a row of second limiting parts 17 and a row of third limiting grooves 19, and a positioning structure is arranged in the region where the whole surface of the plate body 12 is located, so that the positioning precision is greatly improved, and the assembly reliability is improved.

It can be understood that the first limiting member 15, the second limiting member 17 and the third limiting member 39 can be disposed in different shapes, for example, the first limiting member 15 is disposed in a cube, and the second limiting member 17 and the third limiting member 39 are disposed in a cylinder, so as to facilitate identification and alignment of different limiting groups, and facilitate assembly.

Based on the same concept, in an embodiment of the present invention, there is also provided the rolling brush mechanism 200. The rolling brush mechanism 200 includes a housing, a rolling brush assembly 210 and a rolling brush cover assembly 100, the rolling brush cover assembly 100 is connected to the housing and encloses to form a rolling brush cavity, and the rolling brush assembly 210 is disposed in the rolling brush cavity to install and protect the rolling brush assembly 210 through the rolling brush cavity. Specifically, the housing has an opening, the rolling brush assembly 210 is disposed in the housing through the opening, and the rolling brush cover assembly 100 is disposed at the opening and coupled to the housing. In this way, a rolling brush chamber is defined between the housing and the rolling brush cover assembly 100 to assemble the rolling brush assembly 210 in the rolling brush chamber.

In some embodiments, the rolling brush cover assembly 100 includes a pressing plate 10, a rolling brush cover 30 and a scraping strip 50, the pressing plate 10 includes a plate body 12, the rolling brush cover 30 includes a cover body 32, a buckle 14 is disposed on one of the plate body 12 and the cover body 32, a buckle position 34 is disposed on the other of the plate body 12 and the cover body 32, the buckle 14 and the buckle position 34 are buckled with each other, so that the plate body 12 and the cover body 32 are coupled with each other, and the scraping strip 50 is abutted between the rolling brush cover 30 and the pressing plate 10. In this way, the pressing plate 10 is assembled on the roll brush cover 30 by the engagement of the snaps 14 with the snap locations 34 to fix the bar 50 between the bar 50 and the roll brush cover 30 by the pressing plate 10. When the sweeping robot works, the garbage on the ground is gathered to the dust suction port through the scraping strip 50, so that the rolling brush assembly 210 is convenient to sweep the garbage. In addition, in the process of assembling the roller brush cover assembly 100, only the buckle 14 and the buckle position 34 need to be buckled, and a fastener does not need to be assembled, so that the assembling mode is simplified, and the working efficiency is improved.

Based on the same concept, in an embodiment of the present invention, there is also provided the above rolling brush cover 30. The rolling brush cover assembly 100 includes a pressing plate 10, a rolling brush cover 30 and a scraping strip 50, the pressing plate 10 includes a plate body 12, the rolling brush cover 30 includes a cover body 32, one of the plate body 12 and the cover body 32 is provided with a buckle 14, the other of the plate body 12 and the cover body 32 is provided with a buckle position 34, the buckle 14 and the buckle position 34 are buckled with each other, so that the plate body 12 and the cover body 32 are connected with each other, and the scraping strip 50 is abutted between the rolling brush cover 30 and the pressing plate 10. In this way, the pressing plate 10 is assembled on the roll brush cover 30 by the engagement of the snaps 14 with the snap locations 34 to fix the bar 50 between the bar 50 and the roll brush cover 30 by the pressing plate 10. When the sweeping robot works, the garbage on the ground is gathered to the dust suction port through the scraping strip 50, so that the rolling brush assembly 210 is convenient to sweep the garbage. In addition, in the process of assembling the roller brush cover assembly 100, only the buckle 14 and the buckle position 34 need to be buckled, and a fastener does not need to be assembled, so that the assembling mode is simplified, and the working efficiency is improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A rolling brush cap assembly, comprising:

a platen (10), the platen (10) comprising a plate body (12);

a roller brush cover (30), the roller brush cover (30) comprising a cover body (32); a buckle (14) is arranged on one of the plate body (12) and the cover body (32), a buckling position (34) is arranged on the other one of the plate body (12) and the cover body (32), and the buckle (14) and the buckling position (34) are buckled with each other; and

the scraping strip (50) is abutted between the rolling brush cover (30) and the pressing plate (10).

2. A roller brush cover assembly according to claim 1, wherein the plate body (12) has two opposite first sides (121) in a first direction parallel to the direction in which the wiper strip (50) extends; -in a second direction perpendicular to the first direction, the plate body (12) has two opposite second sides (123);

the number of the buckles (14) is multiple, the buckles (14) are arranged on the first side (121) and the second side (123), the cover body (32) is provided with a plurality of buckling positions (34) corresponding to the plurality of buckles (14), and each buckle (14) is buckled with the corresponding buckling position (34).

3. Cover assembly according to claim 2, wherein both of the first sides (121) of the plate body (12) are provided with the catch (14).

4. The rolling brush lid assembly according to claim 2 or 3, wherein one of the plate body (12) and the lid body (32) is provided with a limiting member, and the other of the plate body (12) and the lid body (32) is provided with a limiting groove; and the limiting piece is assembled in the limiting groove in a limiting way along the direction vertical to the direction of the pressing plate (10) pointing to the rolling brush cover (30).

5. The roller brush cover assembly according to claim 4, wherein the retaining member comprises a first retaining member (15) provided on the plate body (12), and the retaining groove comprises a first retaining groove (35) provided on the cover body (32); the first limiting piece (15) is limited in the first limiting groove (35) along the direction perpendicular to the direction of the pressing plate (10) pointing to the rolling brush cover (30).

6. A roller brush cover assembly according to claim 5, characterized in that the catch (14) is provided at one of the two second sides (123) of the plate body (12) and the first stop (15) is provided at the other of the two second sides (123).

7. The roller brush cover assembly according to claim 4, wherein the retaining member comprises a second retaining member (17) provided on the plate body (12), and the retaining groove comprises a second retaining groove (37) provided on the cover body (32); the second limiting piece (17) is limited and arranged in the second limiting groove (37) along the direction vertical to the direction of the pressing plate (10) pointing to the rolling brush cover (30);

the second limiting piece (17) is located between the two first sides (121), the second limiting piece (17) is located between the two second sides (123), and the second limiting groove (37) is arranged corresponding to the second limiting piece (17).

8. The roller brush cover assembly according to claim 7, wherein the retaining member comprises a third retaining member (39) provided on the cover (32), and the retaining groove comprises a third retaining groove (19) provided on the plate body (12); and the third limiting part (39) is limited and arranged in the third limiting groove (19) along the direction vertical to the direction of the pressing plate (10) pointing to the rolling brush cover (30).

9. The roller brush cover assembly according to claim 8, characterized in that the second stop (17) is located between the first stop (15) and the third stop groove (19) in a direction in which one of the two second sides (123) of the plate body (12) points towards the other;

in a direction in which one of the two first sides (121) of the plate body (12) points to the other, a plurality of first limiting pieces (15), a plurality of second limiting pieces (17) and a plurality of third limiting grooves (19) are arranged at intervals;

the first limiting groove (35), the second limiting groove (37) and the third limiting piece (39) are correspondingly arranged at intervals.

10. A rolling brush mechanism, comprising a housing, a rolling brush assembly and the rolling brush cover assembly of any one of claims 1 to 9, wherein the rolling brush cover assembly is matched and connected with the housing and encloses to form a rolling brush cavity, and the rolling brush assembly is arranged in the accommodating cavity.

11. A sweeping robot comprising the rolling brush mechanism of claim 10.