CN214484403U - Round brush subassembly and robot of sweeping floor - Google Patents

Abstract

The utility model relates to a rolling brush component, which comprises a rolling brush; the end cover comprises a cover body and an elastic buckle, a mounting hole is formed in the cover body, the end cover is sleeved at one axial end of the rolling brush through the mounting hole, the elastic buckle is arranged on the inner wall of the mounting hole, and the elastic buckle is elastically abutted to the rolling brush along the radial direction of the rolling brush. The lid is established on the round brush through the bullet knot cover, and the muscle that blocks on the lid can be used to block the hair and make the hair that is blockked collect on twining the end cover, prevents that the hair from getting into other places of round brush mechanism and influencing the normal rotation of round brush. And the cover body is provided with a mounting hole, the inner wall of the mounting hole is provided with an elastic buckle, and the elastic buckle is elastically abutted between the cover body and the rolling brush so as to clamp the end cover on the rolling brush. When the end cover needs to be detached, the end cover only needs to be moved to be separated from the rolling brush along the axial direction of the rolling brush, so that the end cover can be detached conveniently, and winding hairs are cleaned conveniently.

Description

Round brush subassembly and robot of sweeping floor

Technical Field

The utility model relates to an intelligence electrical apparatus technical field especially relates to round brush subassembly and robot of sweeping floor.

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 collection system includes a rolling brush mechanism, the rolling brush mechanism includes a housing, a rolling brush assembly and a rolling brush cover, the rolling brush assembly is disposed in the housing, the rolling brush cover is disposed on the housing, and a dust collection opening allowing the rolling brush assembly to contact with the ground is disposed on the rolling brush cover, and when the rolling brush assembly rotates, the dust collection opening drives dust to adsorb and clean. However, after the conventional rolling brush assembly is used for a period of time, the rolling brush is easy to be stuck due to the winding of too much hair, and the rolling brush is inconvenient to clean, so that the normal work of the rolling brush can be influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem of the easy winding hair of round brush and inconvenient clearance, provided a round brush subassembly, round brush mechanism and robot of sweeping the floor, this round brush subassembly, round brush mechanism and the robot of sweeping the floor can reach and prevent the technical effect that the round brush subassembly twined hair and convenient clearance.

A round brush assembly, comprising:

rolling and brushing;

the end cover comprises a cover body and an elastic buckle, the cover body is provided with a mounting hole, the end cover is sleeved at one axial end of the rolling brush through the mounting hole, the elastic buckle is arranged on the inner wall of the mounting hole, and the elastic buckle is elastically abutted against the rolling brush along the radial direction of the rolling brush;

and, the end cover still includes and blocks the muscle, block the muscle along the circumference of lid is the annular set up in on the outer peripheral face of lid.

In the rolling brush assembly, the cover body of the end cover is sleeved on the rolling brush through the elastic buckle, and the blocking ribs on the cover body can be used for blocking hairs and enabling the blocked hairs to be collected and wound on the end cover so as to prevent the hairs from entering other places of the rolling brush mechanism to influence the normal rotation of the rolling brush. And the cover body is provided with a mounting hole, the inner wall of the mounting hole is provided with an elastic buckle, and the elastic buckle is elastically abutted between the cover body and the rolling brush so as to clamp the end cover on the rolling brush. When the end cover needs to be installed, the end cover is inserted into the rolling brush along the axial direction of the rolling brush, and the elastic buckle is extruded and deformed and is abutted against the rolling brush, so that the end cover can be detachably assembled on the rolling brush; when the end cover needs to be disassembled, the end cover only needs to be moved to be separated from the rolling brush along the axial direction of the rolling brush; so can conveniently dismantle the end cover, be convenient for clear up winding hair.

In one embodiment, the rolling brush comprises a roller body and a mounting part, wherein the mounting part is connected with the axial end part of the roller body;

the installation department is the polygon post, the end cover is located outside the polygon post, the bullet detain with the lateral surface elasticity butt of polygon post.

In one embodiment, the elastic buckles comprise a first elastic buckle and a second elastic buckle, the first elastic buckle and the second elastic buckle are arranged at intervals along a direction perpendicular to the axial direction of the rolling brush, an elastic installation cavity is formed by the first elastic buckle and the second elastic buckle in a surrounding mode, and the polygonal column is sleeved in the elastic installation cavity.

In one embodiment, the polygonal column has a plurality of outer side surfaces which are connected with each other in an intersecting manner, and the first elastic buckle and the second elastic buckle are respectively and elastically abutted against two outer side surfaces which are spaced from each other in the plurality of outer side surfaces.

In one embodiment, the polygonal column is a quadrangular column, the quadrangular column has four outer side faces opposite to each other in pairs, and the first elastic buckle and the second elastic buckle are elastically abutted to two opposite outer side faces of the four outer side faces respectively.

In one embodiment, the end cover further includes a first limiting portion and a second limiting portion, the first limiting portion and the second limiting portion are disposed on the hole wall of the mounting hole, and the first limiting portion and the second limiting portion are respectively abutted to two opposite side edges of the quadrangular column.

In one embodiment, the first limiting portion and the second limiting portion are arranged at intervals along the circumferential direction of the mounting hole, a first accommodating cavity is formed at an interval between one end of the first limiting portion along the circumferential direction of the mounting hole and one end of the second limiting portion along the circumferential direction of the mounting hole, and a second accommodating cavity is formed at an interval between the other end of the first limiting portion along the circumferential direction of the mounting hole and the other end of the second limiting portion along the circumferential direction of the mounting hole;

the first elastic buckle is connected with the first limiting part and located in the first accommodating cavity, and the second elastic buckle is connected with the second limiting part and located in the second accommodating cavity.

In one embodiment, the first elastic buckle comprises a first elastic arm, the second elastic buckle comprises a second elastic arm, and the first elastic arm and the second elastic arm are oppositely arranged and are respectively connected with the first limiting part and the second limiting part;

the first elastic arm and the second elastic arm surround a group of two opposite lateral edges of the four lateral edges of the quadrangular column, and the first limiting part and the second limiting part are abutted against the other group of two opposite lateral edges of the four lateral edges of the quadrangular column.

In one embodiment, the first elastic buckle further comprises a first boss, the second elastic buckle further comprises a second boss, the first boss and the second boss are respectively arranged on two faces, facing to each other, of the first elastic arm and the second elastic arm, the first boss is located at one end, far away from the first limiting portion, of the first elastic arm and abutted against one outer side face, and the second boss is located at one end, far away from the second limiting portion, of the second elastic arm and abutted against the other outer side face.

A sweeping robot comprises the rolling brush component.

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 perspective view of a rolling brush assembly in the sweeping robot shown in fig. 1;

FIG. 3 is a schematic view of the roller brush assembly shown in FIG. 2 from another perspective;

FIG. 4 is an exploded view of the roller brush assembly of FIG. 2;

fig. 5 is a schematic view of the end cap of the roll brush assembly shown in fig. 2.

200. A sweeping robot; 210. a rolling brush cover; 211. a dust suction port; 100. a roll brush assembly; 10. rolling and brushing; 12. a brush roll; 14. an installation part; 141. an outer side surface; 143. a lateral edge; 30. an end cap; 31. blocking ribs; 32. a cover body; 33. mounting holes; 34. snapping; 341. a first snap; 342. a first resilient arm; 343. a first boss; 344. a second snap; 345. a second resilient arm; 346. a second boss; 36. a first limiting part; 37. a first accommodating cavity; 38. a second limiting part; 39. a second accommodating cavity.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "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, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present 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," and "fixed" are to be construed broadly and may, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. 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.

Referring to fig. 1, in an embodiment of the present invention, a robot for sweeping floor is provided, which includes a dust collecting system, a traveling system and a power supply system, wherein the dust collecting system is used for collecting dust on the ground, the traveling system is used for driving the robot for sweeping floor to move, and the power supply system is used for providing working energy for the dust collecting 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.

The rolling brush mechanism includes a housing (not shown), a rolling brush assembly 100 and a rolling brush cover 210, wherein the rolling brush cover 210 is connected to the housing and encloses to form a rolling brush cavity, and the rolling brush assembly 100 is disposed in the rolling brush cavity to assemble and protect the rolling brush assembly 100 through the rolling brush cavity. Specifically, the housing has an opening through which the roll brush assembly 100 is disposed in the housing, and the roll brush cover 210 covers the opening and is coupled to the housing. Thus, a roll brush chamber is defined between the housing and the roll brush cover 210 to assemble the roll brush assembly 100 in the roll brush chamber. Moreover, the rolling brush cover 210 is provided with a dust suction port 211 communicated with the rolling brush cavity, the rolling brush assembly 100 can contact with the ground through the dust suction port 211 to take 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. 2 to 5, in some embodiments, the roller brush assembly 100 includes a roller brush 10 and an end cap 30, the roller brush 10 can rotate around its axis to clean up garbage on the ground, the end cap 30 is mounted at an axial end of the roller brush 10, and the end cap 30 is provided with a blocking rib 31, hair wound around the roller brush 10 can gradually move to the end of the roller brush 10 along with the rotation of the roller brush 10 and is blocked by the blocking rib 31 to be wound around the end cap 30, so that the end cap 30 blocks the hair from entering a rotating shaft connected to the roller brush 10 and a motor, and the roller brush 10 is prevented from being stuck by the wound hair. Moreover, the end cover 30 is detachably arranged relative to the rolling brush 10, so that a user can detach the end cover 30 and then clean hair wound on the end cover 30, and cleaning is facilitated.

Further, the end cap 30 includes a cap body 32 and an elastic buckle 34, a mounting hole 33 is opened on the cap body 32, the end cap 30 is sleeved on one axial end of the rolling brush 10 through the mounting hole 33, the elastic buckle 34 is disposed on the inner wall of the mounting hole 33, and the elastic buckle 34 is elastically abutted to the rolling brush 10 along the radial direction of the rolling brush 10. Meanwhile, the end cap 30 further includes a blocking rib 31, and the blocking rib 31 is annularly disposed on the outer circumferential surface of the cover 32 along the circumferential direction of the cover 32. Thus, the cover 32 is sleeved on the roller brush 10 by the elastic buckle 34, and the blocking rib 31 on the cover 32 can be used for blocking hairs and enabling the blocked hairs to be collected and wound on the cover 32. In addition, a mounting hole 33 is opened on the cover 32, and a snap 34 is provided on an inner wall of the mounting hole 33, the snap 34 elastically abuts between the cover 32 and the roller brush 10 to hold the cap 30 on the roller brush 10. When the end cover 30 needs to be installed, the end cover 30 is inserted into the rolling brush 10 along the axial direction of the rolling brush 10, and the elastic buckle 34 is extruded and deformed and is abutted against the rolling brush 10, so that the end cover 30 can be detachably assembled on the rolling brush 10; when the end cover 30 needs to be disassembled, the end cover 30 only needs to be moved to be separated from the roller brush 10 along the axial direction of the roller brush 10; this facilitates cleaning of the hair on the end cap 30.

Further, the round brush 10 includes the roll body and the installation department 14, and the installation department 14 is connected with the axial end of roll body, and the installation department 14 is the polygon post, and outside the polygon post was located to the end cover 30 cover, the lateral surface 141 elasticity butt of hasp 34 and polygon post. A mounting portion 14 is provided on the roller brush 10, and a mounting base is provided for the end cap 30 through the mounting portion 14. Furthermore, the mounting portion 14 is a polygonal column having a plurality of outward side surfaces 141, and the elastic latch 34 abuts against the outward side surfaces 141, so that the elastic latch 34 can apply elastic abutting force to the mounting portion 14, and the elastic latch 34 can be prevented from rotating relative to the mounting portion 14, thereby limiting the end cap 30 in the circumferential direction.

Specifically, the elastic buckle 34 includes a first elastic buckle 341 and a second elastic buckle 344, the first elastic buckle 341 and the second elastic buckle 344 are disposed at an interval in a direction perpendicular to the axial direction of the rolling brush 10, an elastic mounting cavity is defined between the first elastic buckle 341 and the second elastic buckle 344, and a polygonal column is sleeved in the elastic mounting cavity, so that elastic extrusion force is applied to the mounting portion 14 from opposite directions through the first elastic buckle 341 and the second elastic buckle 344 which are disposed oppositely, so as to more reliably sleeve the end cover 30 on the mounting portion 14, and prevent the end cover 30 from falling off from the mounting portion 14.

More specifically, the polygonal column has a plurality of intersecting outer side surfaces 141, and the first snap 341 and the second snap 344 elastically abut against two outer side surfaces 141 spaced apart from each other among the plurality of outer side surfaces 141, respectively. That is to say, the polygonal column has a plurality of outer side surfaces 141, the first snap 341 elastically abuts against one of the outer side surfaces 141, the second snap 344 elastically abuts against the other of the outer side surfaces 141, and the two outer side surfaces 141 abutting against the first snap 341 and the second snap 344 are not adjacent to each other at intervals, so that the first snap 341 and the second snap 344 can apply two elastic abutting forces with a large included angle to the mounting portion 14, and further the first snap 341 and the second snap 344 can clamp the mounting column from different directions to provide elastic abutting forces in different directions, so that the end cap 30 can be more reliably sleeved on the mounting portion 14.

Specifically, in the present embodiment, the polygonal column is a quadrangular column, the quadrangular column has four outer side surfaces 141 opposite to each other in pairs, and the first elastic buckle 341 and the second elastic buckle 344 elastically abut against the two opposite outer side surfaces 141 of the four outer side surfaces 141 respectively. In this embodiment, the polytropic post is the quadrangle post, convenient manufacturing. Moreover, the two outer side surfaces 141 of the first elastic buckle 341 and the second elastic buckle 344 abut against each other respectively are opposite, so that the first elastic buckle 341 and the second elastic buckle 344 can apply abutting forces in opposite directions to the quadrangular column, and the end cover 30 can be reliably sleeved outside the quadrangular column.

Further, the end cover 30 further includes a first limiting portion 36 and a second limiting portion 38, the first limiting portion 36 and the second limiting portion 38 are disposed on the hole wall of the mounting hole 33, and the first limiting portion 36 and the second limiting portion 38 are respectively abutted to two side edges 143 of the quadrangular column. The hole wall of the mounting hole 33 is further provided with a first limiting part 36 and a second limiting part 38, and the position of the end cover 30 relative to the mounting part 14 can be pre-positioned through the first limiting part 36 and the second limiting part 38, so that the end cover 30 can be conveniently assembled.

Specifically, the first limiting portion 36 and the second limiting portion 38 are arranged at intervals along the circumferential direction of the mounting hole 33, a first accommodating cavity 37 is formed between one end of the first limiting portion 36 along the circumferential direction of the mounting hole 33 and one end of the second limiting portion 38 along the circumferential direction of the mounting hole 33 at intervals, a second accommodating cavity 39 is formed between the other end of the first limiting portion 36 along the circumferential direction of the mounting hole 33 and the other end of the second limiting portion 38 along the circumferential direction of the mounting hole 33 at intervals, the first elastic buckle 341 is connected with the first limiting portion 36 and is located in the first accommodating cavity 37, and the second elastic buckle 344 is connected with the second limiting portion 38 and is located in the second accommodating cavity 39. Equivalently, the first limiting part 36 and the second limiting part 38 are used for pre-positioning the relative position of the mounting part 14 and the end cover 30, and the first limiting part 36 and the second limiting part 38 are further used for providing a mounting basis for the first elastic buckle 341 and the second elastic buckle 344 respectively. Thus, the first position-limiting portion 36, the first elastic buckle 341, the second position-limiting portion 38 and the second elastic buckle 344 are arranged along the circumferential direction of the mounting hole 33, and the mounting portion 14 is sleeved among the first position-limiting portion 36, the first elastic buckle 341, the second position-limiting portion 38 and the second elastic buckle 344, so as to position-limit and sleeve the end cover 30 on the mounting portion 14.

More specifically, the first elastic buckle 341 includes a first elastic arm 342, the second elastic buckle 344 includes a second elastic arm 345, and the first elastic arm 342 and the second elastic arm 345 are disposed opposite to each other and connected to the first position-limiting portion 36 and the second position-limiting portion 38, respectively; the first elastic arm 342 and the second elastic arm 345 surround one set of two opposite side edges 143 of the four side edges 143 of the quadrangular column, and the first limiting portion 36 and the second limiting portion 38 abut against the other set of two opposite side edges 143 of the four side edges 143 of the quadrangular column. In this way, it is equivalent to disposing the first elastic buckle 341, the first limit portion 36, the second elastic buckle 344 and the second limit portion 38 respectively corresponding to the four side edges 143 of the quadrangular column, so that the first elastic buckle 341 and the second elastic buckle 344 can apply elastic abutting force, and at the same time, the quadrangular column can be effectively pre-positioned, and the end cover 30 is prevented from rotating relative to the mounting portion 14.

The first elastic buckle 341 further includes a first boss 343, the second elastic buckle 344 further includes a second boss 346, the first boss 343 and the second boss 346 are respectively disposed on two mutually facing surfaces of the first elastic arm 342 and the second elastic arm 345, the first boss 343 is located at one end of the first elastic arm 342 away from the first limiting portion 36 and abuts against one outer side surface 141, the second boss 346 is located at one end of the second elastic arm 345 away from the second limiting portion 38 and abuts against the other outer side surface 141, so that the first boss 343 and the second boss 346 abut against two opposite outer side surfaces 141 of the quadrangular column, respectively, and the elastic abutting force is applied to the quadrangular column from opposite directions, thereby reliably assembling the end cover 30 on the quadrangular column.

Based on the same conception, in an embodiment of the present invention, the rolling brush assembly 100 includes the rolling brush 10 and the end cover 30, the rolling brush 10 can rotate around its axis to clean up the above-ground garbage, the end cover 30 is assembled at the axial end of the rolling brush 10, and the end cover 30 is provided with the blocking rib 31, the hair wound on the rolling brush 10 can gradually move to the end of the rolling brush 10 and be blocked by the blocking rib 31 to be wound on the end cover 30 along with the rotation of the rolling brush 10, so the hair is blocked by the end cover 30 to enter the rotating shaft connected with the rolling brush 10 and the motor, and the rolling brush 10 is prevented from being stuck by the wound hair. Moreover, the end cover 30 is detachably arranged relative to the rolling brush 10, so that a user can detach the end cover 30 and then clean hair wound on the end cover 30, and cleaning is facilitated.

Further, the end cap 30 includes a cap body 32 and an elastic buckle 34, a mounting hole 33 is opened on the cap body 32, the end cap 30 is sleeved on one axial end of the rolling brush 10 through the mounting hole 33, the elastic buckle 34 is disposed on the inner wall of the mounting hole 33, and the elastic buckle 34 is elastically abutted to the rolling brush 10 along the radial direction of the rolling brush 10. Meanwhile, the end cap 30 further includes a blocking rib 31, and the blocking rib 31 is annularly disposed on the outer circumferential surface of the cover 32 along the circumferential direction of the cover 32. Thus, the cover 32 is sleeved on the roller brush 10 by the elastic buckle 34, and the blocking rib 31 on the cover 32 can be used for blocking hairs and collecting and winding the blocked hairs into the space between the cover 32 and the blocking rib 31. In addition, a mounting hole 33 is opened on the cover 32, and a snap 34 is provided on an inner wall of the mounting hole 33, the snap 34 elastically abuts between the cover 32 and the roller brush 10 to hold the cap 30 on the roller brush 10. When the end cover 30 needs to be installed, the end cover 30 is inserted into the rolling brush 10 along the axial direction of the rolling brush 10, and the elastic buckle 34 is extruded and deformed and is abutted against the rolling brush 10, so that the end cover 30 can be detachably assembled on the rolling brush 10; when the end cover 30 needs to be disassembled, the end cover 30 only needs to be moved to be separated from the roller brush 10 along the axial direction of the roller brush 10; this facilitates cleaning of the hair on the end cap 30.

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 represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A round brush assembly, characterized in that, round brush assembly includes:

a roll brush (10);

the end cover (30), the end cover (30) includes a cover body (32) and an elastic buckle (34), a mounting hole (33) is formed in the cover body (32), the end cover (30) is sleeved at one axial end of the rolling brush (10) through the mounting hole (33), the elastic buckle (34) is arranged on the inner wall of the mounting hole (33), and the elastic buckle (34) is elastically abutted to the rolling brush (10) along the radial direction of the rolling brush (10);

the end cover (30) further comprises a blocking rib (31), and the blocking rib (31) is annularly arranged on the outer peripheral surface of the cover body (32) along the circumferential direction of the cover body (32).

2. A roller brush assembly according to claim 1, characterized in that the roller brush (10) comprises a roller body and a mounting portion (14), the mounting portion (14) being connected with an axial end of the roller body;

installation department (14) are the polygon post, end cover (30) cover is located outside the polygon post, bullet knot (34) with lateral surface (141) elastic abutment of polygon post.

3. The round brush assembly of claim 2, wherein the snap fastener (34) comprises a first snap fastener (341) and a second snap fastener (344), the first snap fastener (341) and the second snap fastener (344) are oppositely arranged at intervals along a direction perpendicular to the axial direction of the round brush (10), an elastic mounting cavity is defined between the first snap fastener (341) and the second snap fastener (344), and the polygonal column is sleeved in the elastic mounting cavity.

4. The brush roll assembly of claim 3, wherein the polygonal column has a plurality of outer sides (141) intersecting each other, and the first snap (341) and the second snap (344) elastically abut two of the outer sides (141) spaced apart from each other among the plurality of outer sides (141), respectively.

5. The round brush assembly according to claim 4, characterized in that the polygonal column is a quadrangular column having four outer sides (141) opposite each other two by two, and the first snap catch (341) and the second snap catch (344) are elastically abutted with two of the four outer sides (141) opposite each other, respectively.

6. The rolling brush assembly according to claim 5, wherein the end cap (30) further comprises a first limiting portion (36) and a second limiting portion (38), the first limiting portion (36) and the second limiting portion (38) are arranged on the hole wall of the mounting hole (33), and the first limiting portion (36) and the second limiting portion (38) are respectively abutted with two opposite side edges (143) of the quadrangular column.

7. The round brush assembly according to claim 6, wherein the first limiting portion (36) and the second limiting portion (38) are arranged at intervals along the circumferential direction of the mounting hole (33), a first accommodating cavity (37) is formed at an interval between one end of the first limiting portion (36) along the circumferential direction of the mounting hole (33) and one end of the second limiting portion (38) along the circumferential direction of the mounting hole (33), and a second accommodating cavity (39) is formed at an interval between the other end of the first limiting portion (36) along the circumferential direction of the mounting hole (33) and the other end of the second limiting portion (38) along the circumferential direction of the mounting hole (33);

the first elastic buckle (341) is connected with the first limiting part (36) and is positioned in the first accommodating cavity (37), and the second elastic buckle (344) is connected with the second limiting part (38) and is positioned in the second accommodating cavity (39).

8. The round brush assembly according to claim 7, characterized in that the first snap (341) comprises a first elastic arm (342), the second snap (344) comprises a second elastic arm (345), the first elastic arm (342) and the second elastic arm (345) are oppositely arranged and are respectively connected with the first stopper portion (36) and the second stopper portion (38);

the first elastic arm (342) and the second elastic arm (345) surround one set of two opposite side edges (143) of the four side edges (143) of the quadrangular column, and the first limiting part (36) and the second limiting part (38) are abutted against the other set of two opposite side edges (143) of the four side edges (143) of the quadrangular column.

9. The round brush assembly according to claim 8, wherein the first snap (341) further comprises a first boss (343), the second snap (344) further comprises a second boss (346), the first boss (343) and the second boss (346) are respectively disposed on two mutually facing surfaces of the first elastic arm (342) and the second elastic arm (345), the first boss (343) is located at one end of the first elastic arm (342) away from the first limiting portion (36) and abuts against one of the outer side surfaces (141), and the second boss (346) is located at one end of the second elastic arm (345) away from the second limiting portion (38) and abuts against the other outer side surface (141).

10. A sweeping robot comprising a roller brush assembly according to any one of claims 1 to 9.

Images