CN216397247U - Roller brush connecting structure - Google Patents

Abstract

The utility model discloses a roller brush connecting structure, which relates to the technical field of cleaning devices and comprises a roller brush main body, wherein at least one end of the roller brush main body is provided with a locking piece, and the roller brush main body can rotate relative to the locking piece; and the support is provided with a roller brush cavity, the side wall of the support is provided with a mounting hole communicated to the roller brush cavity, the roller brush main body penetrates through the mounting hole from outside to inside so as to be mounted in the roller brush cavity, and the locking part is detachably connected to the mounting hole. The roller brush connecting structure provided by the utility model can enable the roller brush main body to be conveniently and quickly detached, and is convenient for maintaining the roller brush main body.

Description

Roller brush connecting structure

Technical Field

The utility model relates to the technical field of cleaning devices, in particular to a roller brush connecting structure.

Background

At present, a roller brush structure is often arranged on a cleaning device, such as a dust collector structure, dirt on a surface to be treated is scraped by the roller brush, the dirt is loosened and separated from the surface to be treated, and then the dirt is cleaned by negative pressure suction or other modes, so that the purpose of cleaning is achieved.

In the prior art, a roller brush is generally installed inside a cleaning device, for example, in a portable vacuum cleaner disclosed in chinese patent application No. 201210192212.5, first half-shaft grooves for accommodating both ends of the brush roller are correspondingly formed at both ends of a frame groove integrally formed at the bottom surface of a housing, and a spacer for accommodating the brush roller is formed inside a roller; in addition, a second half shaft groove is formed in a fixing frame combined with the bottom surface of the other end of the shell, and a shaft groove for the sliding fit of the end head of the brush roller is formed by the first plate shaft groove and the second plate shaft groove.

When the brush roller needs to be cleaned or maintained, the equipment needs to be disassembled and maintained, the maintenance process is troublesome, and the efficiency is not high.

Therefore, a new roller brush connecting structure needs to be provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome at least one of the defects in the prior art, the utility model provides a roller brush connecting structure, which is used for solving the problem that the existing roller brush connecting structure is inconvenient for disassembling and maintaining the roller brush.

The technical scheme adopted by the utility model for solving the problems is as follows:

according to an aspect of the present invention, there is provided a roller brush attachment structure including: the roller brush comprises a roller brush main body, a roller brush body and a roller brush, wherein at least one end of the roller brush main body is provided with a locking piece, and the roller brush main body can rotate relative to the locking piece; and the support is provided with a roller brush cavity, the side wall of the support is provided with a mounting hole communicated to the roller brush cavity, the roller brush main body penetrates through the mounting hole from outside to inside so as to be mounted in the roller brush cavity, and the locking part is detachably connected to the mounting hole.

Therefore, the roller brush main body can be arranged in the roller brush cavity from outside to inside from the mounting hole so as to be arranged on the support, and is fixedly arranged in the mounting hole through the locking piece so as to lock the roller brush main body on the support; when the roller brush is disassembled, the locking piece is disassembled from the mounting hole, the roller brush main body can be taken out from the mounting hole, the roller brush main body is also disassembled from the support, and then the roller brush main body can be cleaned and maintained or replaced, the disassembly and the assembly are simple and convenient, and the maintenance of the roller brush is convenient and quick.

Further, one end of the roller brush main body is provided with a locking piece, and the other end of the roller brush main body rotates relative to the support and can be separated from the support.

Therefore, as a possible implementation mode, one end of the roller brush main body can be separately and rotatably connected with the support, and the other end of the roller brush main body is detachably connected with the mounting hole through the locking piece, so that in the process of detaching the roller brush main body from the support, one end of the roller brush main body only needs to be separated from the support, and the locking piece and the roller brush main body can be detached from the support; when the roller brush is installed, only one end of the roller brush main body is connected with the support, and the other end of the roller brush main body is locked by the locking piece and the installation hole, so that the convenience of disassembly and assembly of the roller brush is improved.

The roller brush further comprises a first connecting assembly, wherein the first connecting assembly comprises a first pin and a first inserting groove matched with the first pin in an inserting mode, the first pin is rotatably arranged on any one of the roller brush main body and the support, and the first inserting groove is arranged on the other one of the roller brush main body and the support.

Therefore, the roller brush main body and the support can be separated through the matching of the first pin and the first inserting groove, and the first pin is rotatably connected to the roller brush main body or the support, so that the roller brush main body and the support are connected after the first pin is matched with the first inserting groove, the relative rotation of the roller brush main body and the support can be realized, and the mounting structure is simplified.

Furthermore, one of the locking member and the roller brush main body is provided with a first rotating groove, a first rotating member is rotatably arranged in the first rotating groove, and the other of the locking member and the roller brush main body is connected with the first rotating member.

Therefore, the locking piece and the roller brush main body can rotate relatively by arranging the first rotating piece and connecting the first rotating piece with the locking piece or the roller brush main body.

Further, the first rotating member is a ball, and the first rotating groove is a spherical groove for the ball to rotate.

From this, set up first rotating member into the ball, and correspondingly, set up first rotating groove into spherical groove to can improve the degree of freedom of motion of first rotating member, when making the butt joint of one end of roller brush main part and support, can make the roller brush main part can adjust in a certain angle self-adaptation, thereby the equipment of the roller brush main part of being convenient for reduces the manufacturing error of work piece and to the influence of equipment, improves the packaging efficiency.

Further, a connecting convex portion is provided on one of the retaining member and the roller brush main body, a connecting groove is provided on the other of the retaining member and the roller brush main body, the connecting convex portion is inserted into the connecting groove and a gap is maintained between the circumferential direction thereof and the connecting groove to be rotatable with respect to the connecting groove, and a seal structure is provided in the gap between the connecting convex portion and the connecting groove.

From this, connect convex part and coupling groove's setting, can further improve roller brush main part and retaining member relative pivoted stability and reliability, and set up seal structure, can reduce during dust or steam get into the joint gap between roller brush main part and the retaining member, reduce the maintenance degree of difficulty to be favorable to improving life between the two.

Further, the sealing structure comprises two sealing convex edges and two sealing strips, the two sealing convex edges are arranged at intervals around the circumferential direction of the connecting convex portion, and the sealing strips are arranged between the two adjacent sealing convex edges.

Therefore, the sealing strip is limited through the sealing convex edge, and the sealing structure is stable and reliable.

Further, the locking member is detachably connected with the roller brush main body.

From this, because retaining member and roller brush main part set up to separable to the retaining member is relieved the locking back, can be independent with the roller brush main part and follow the support and dismantle, from this, can be further convenient for maintain the roller brush main part, can also maintain or change the retaining member.

Further, the roller brush further comprises a second connecting assembly, wherein the second connecting assembly comprises a second pin and a second inserting groove matched with the second pin in an inserting mode, the second pin is rotatably arranged on any one of the roller brush main body and the locking piece, and the second inserting groove is arranged on the other one of the roller brush main body and the locking piece.

Therefore, the locking piece and the roller brush main body can be separated through the matching of the second pin and the second inserting groove.

Furthermore, the two ends of the roller brush main body are respectively provided with a locking piece, and the support is provided with a mounting hole corresponding to each locking piece.

Therefore, the roller brush main body can be detached from any one of the two ends of the roller brush main body, and the convenience of maintenance is further improved.

Furthermore, one of the locking piece and the mounting hole is provided with a locking part, and the other one is provided with a matching groove matched with the locking part.

From this, through the cooperation of locking portion with the cooperation groove, realize being connected of dismantling of retaining member and mounting hole, simplified structure, convenient to detach.

Furthermore, the first pin and the first inserting groove are arranged in a magnetic attraction mode.

From this, be convenient for first pin and the quick location of first inserting groove, can also strengthen the stability of connecting, reduce to have the clearance between the two and take place to rock.

According to the technical scheme, the embodiment of the utility model at least has the following advantages and positive effects:

1) the roller brush main body can be taken out from the mounting hole arranged on the support corresponding to the end part of the support, so that the roller brush main body is convenient and quick to assemble and disassemble and is convenient to maintain;

2) the roller brush main body can be detached from any one of the two ends thereof, further improving the convenience of maintenance.

Drawings

FIG. 1 is a schematic view of an overall structure of a roller brush main body mounted on a support according to an embodiment of the present invention;

FIG. 2 is a schematic view of the roller brush body and the support in FIG. 1, which is simply disassembled;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic view of the internal structure of the support in one embodiment of the present invention;

FIG. 5 is an exploded view of the first connecting member and the roller brush body according to one embodiment of the present invention;

FIG. 6 is a schematic view of the connection between the roller brush body and the support in another embodiment of the present invention.

Wherein the reference numerals have the following meanings:

1. a roller brush body; 101. a roller body; 102. a brush cover; 2. a support; 201. a roller brush cavity; 202. mounting holes; 3. a locking member; 4. a first connection assembly; 401. a first pin; 402. a first insertion groove; 5. a first rotating groove; 6. a first rotating member; 601. a first connection hole; 7. a first connecting shaft; 8. a second rotating groove; 9. a second rotating member; 10. a second connecting shaft; 11. a connecting projection; 12. a connecting groove; 1201. an intermediate connecting member; 13. a sealing structure; 1301. sealing the convex edge; 14. a second connection assembly; 1401. a second pin; 1402. a second insertion groove; 15. a locking part; 16. a mating groove; 1601. a plug-in part; 1602. a locking portion; 17. the transmission rib.

Detailed Description

For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Examples

Referring to fig. 1-6, the utility model discloses a roller brush connecting structure, which comprises a roller brush main body 1 and a support 2 for mounting the roller brush main body 1, wherein the roller brush main body 1 is rotatably mounted in the support 2 relative to the support 2; wherein, the at least one end of roller brush main part 1 is provided with retaining member 3, and roller brush main part 1 can rotate for retaining member 3, sets up the roller brush chamber 201 of holding roller brush main part 1 in the support 2, is provided with the mounting hole 202 that communicates to roller brush chamber 201 on the lateral wall of support 2, and roller brush main part 1 is by outer to interior mounting hole 202 of passing in order to install in roller brush chamber 201, and retaining member 3 detachably connects in mounting hole 202 department.

Thereby, be connected through the dismantlement of retaining member 3 with mounting hole 202, and realize being connected with dismantling of support 2 of retaining member 3, and then after retaining member 3 is dismantled with mounting hole 202, can follow mounting hole 202 and follow the roller brush main part 1 of taking out, convenient, swift, and compare with prior art, its simple structure, its dismantlement and the speed of assembly are fast.

Referring to fig. 4 to 5, the roller brush body 1 further includes a roller body 101 and a brush sleeve 102 sleeved on the roller body 101.

The brush sleeve 102 may be flexible or rigid.

The roller brush connecting structure of the utility model can be applied to a roller brush with power drive or a roller brush which does not have power drive and only does driven.

Referring to fig. 4, in some possible embodiments, the roller brush body 1 is provided with a locking member 3 at one end thereof and detachably and rotatably coupled to the holder 2 at the other end thereof.

In this embodiment, after the retaining member 3 is detached from the mounting hole 202, i.e. detached from the support 2, and the end of the roller brush body 1 away from the retaining member 3 is separated from the support 2, the roller brush body 1 can be separated from the support 2, so as to detach the roller brush body 1.

Referring to fig. 4 to 5, in order to realize the separable and relative rotation between the roller brush main body 1 and the support 2, in some possible embodiments, the roller brush connecting structure further includes a first connecting assembly 4, where the first connecting assembly 4 includes a first pin 401 and a first inserting groove 402 inserted and matched with the first pin 401, where the first pin 401 is rotatably disposed on any one of the roller brush main body 1 and the support 2, and the first inserting groove 402 is disposed on the other one of the roller brush main body 1 and the support 2.

For example, referring to fig. 4, a first pin 401 is rotatably connected to the holder 2, a first insertion groove 402 is provided at an end of the roller brush body 1, and the holder 2 is detachable from the roller brush body 1 by the insertion fit of the first pin 401 and the first insertion groove 402, and the holder 2 is rotatably connected to the holder 2 to allow relative rotation of the holder 2 and the roller brush body 1.

Of course, those skilled in the art can also use other detachable structures in the prior art to connect the roller brush body 1 and the support 2, for example, the roller brush body 1 and the support 2 are connected by magnetic attraction.

Referring to fig. 5, further, in some possible embodiments, a first rotating groove 5 is formed in one of the locker 3 and the roller brush body 1, a first rotating member 6 is rotatably formed in the first rotating groove 5, and the other of the locker 3 and the roller brush body 1 is connected to the first rotating member 6.

Further, the first rotating member 6 may be a ball or a roller, or the first rotating member 6 may be a bearing.

Referring to 4-5, the first rotating groove 5 is formed in the locking member 3, the first rotating member 6 is in rotating fit with the first rotating groove 5, and the first rotating member 6 is connected with the roller brush main body 1, so that the locking member 3 and the roller brush main body 1 can rotate relatively.

Referring to fig. 4 to 5, further, in some possible embodiments, the first rotating member 6 is a ball, and the first rotating groove 5 is a spherical groove for the ball to rotate.

Such setting can make first rotating member 6 degree of freedom that moves, it not only can rotate around the axis direction of roller brush main part 1 promptly, still become the rotation of certain angle for the axis of roller brush main part 1, thereby in the scheme that roller brush main part 1 one end is for can the separation and connection with support 2, for the butt joint of realization roller brush main part 1 and support 2, because the degree of freedom of first rotating member 6 improves, also improved the degree of freedom of roller brush main part 1, make roller brush main part 1 can have the adaptability in certain extent, be convenient for be connected of roller brush main part 1 and support 2, improve packaging efficiency, avoid appearing because the roller brush main part 1 warp or manufacturing error the inconvenient condition of roller brush main part 1 and support 2 connection.

In some possible embodiments, when the first rotating member 6 is rotatably disposed on the roller brush body 1, the locking member 3 is provided with a first connecting shaft 7, and the first rotating member 6 is provided with a first connecting hole 601 through which the first connecting shaft 7 is connected, thereby rotatably connecting the roller brush body 1 and the locking member 3.

Referring to fig. 4 to 5, of course, when the first rotating member 6 is disposed on the locking member 3, the first connecting shaft 7 is correspondingly disposed on the roller brush body 1.

In some possible embodiments, the first connection hole 601 may be a through hole or a blind hole.

Similarly, referring to fig. 4, in order to realize the rotatable connection between the support 2 and the first pin 401, in some possible embodiments, a second rotating groove 8 is provided on one of the support 2 and the first pin 401, a second rotating member 9 is rotatably provided in the second rotating groove 8, and the other of the support 2 and the first pin 401 is connected to the second rotating member 9.

For example, the second rotating groove 8 is provided in the holder 2, and the second connecting shaft 10 connected to the second rotating member 9 is fixedly provided in the first pin 401.

Referring to fig. 4, in order to further improve the stability of the rotation between the locker 3 and the roller brush body 1, in some possible embodiments, one of the locker 3 and the roller brush body 1 is provided with a coupling protrusion 11, the other of the locker 3 and the roller brush body 1 is provided with a coupling recess 12, the coupling protrusion 11 is inserted into the coupling recess 12 and maintains a gap in a circumferential direction from the coupling recess 12 to be rotatable with respect to the coupling recess 12, and a sealing structure 13 is provided in the gap between the coupling protrusion 11 and the coupling recess 12.

Referring to fig. 4, a coupling protrusion 11 is provided on a side of the locker 3 facing the roller brush body 1, which is integrally formed with the locker 3, a coupling recess 12 is provided on the roller brush body 1, and the coupling protrusion 11 is rotatably inserted into the coupling recess 12.

Referring to fig. 4 to 5, further, for convenience of processing, the connection groove 12 is disposed on an intermediate connection member 1201 connected to the roller brush body 1 in an inserting manner.

The middle connecting piece 1201 is fixedly connected with the roller brush main body 1 in a splicing matching mode, and the connecting groove 12 is formed in the middle connecting piece 1201, so that the processing difficulty is reduced.

In order to achieve reliability and stability of the sealing, in some possible embodiments, referring to fig. 4, the sealing structure 13 includes sealing ribs 1301 and sealing strips (not shown), the sealing ribs 1301 are arranged at intervals of at least two around the circumference of the connecting boss 11, and the sealing strips are arranged between two adjacent sealing ribs 1301.

In some possible embodiments, the sealing strip may be a silicone sealing ring or a rubber sealing ring.

Of course, in other possible embodiments, the sealing structure 13 may be replaced by other elastic waterproof and dustproof structures in the prior art.

Referring to fig. 6, in some possible embodiments, the locking member 3 is detachably connected to the roller brush body 1.

The arrangement is such that the locker 3 and the roller brush can be further separated from the roller brush body 1 after the locker 3 is removed from the mounting hole 202, and maintenance can be separately performed on both.

Referring to fig. 5, in order to realize the separation connection between the locking member 3 and the roller brush body 1, in some possible embodiments, a second connection assembly 14 is further included, wherein the second connection assembly 14 includes a second pin 1401 and a second insertion groove 1402 inserted and matched with the second pin 1401, wherein the second pin 1401 is rotatably disposed on any one of the roller brush body 1 and the locking member 3, and the second insertion groove 1402 is disposed on the other one of the roller brush body 1 and the locking member 3.

For example, referring to fig. 6, a second pin 1401 is rotatably provided on the locker 3, and a second insertion groove 1402 is provided at an end of the roller brush body 1, and the detachable connection of the locker 3 and the roller brush body 1 is achieved by the cooperation of the second pin 1401 and the second insertion groove 1402.

Of course, those skilled in the art will be able to use other detachable structures in the prior art to connect the roller brush body 1 to the retaining member 3, such as magnetic attraction, as taught by the present application.

Referring to fig. 6, in some possible embodiments, the roller brush body 1 is provided with a locking member 3 at each end thereof, and the holder 2 is provided with a mounting hole 202 corresponding to each locking member 3.

The locking pieces 3 at both ends are detachably connected with the support 2 and the roller brush main body 1, so that the roller brush main body 1 can be detached from the support 2 from any end of the roller brush main body 1 during maintenance, and further, the detachment and maintenance of the roller brush main body 1 are facilitated.

Referring to fig. 2 to 3, in order to detachably connect the locking member 3 to the mounting hole 202, in some possible embodiments, a locking portion 15 is disposed on one of the locking member 3 and the mounting hole 202, and a matching groove 16 matched with the locking portion 15 is disposed on the other.

Therefore, after the roller brush is mounted on the support 2, the roller brush body 1 is mounted on the support 2 by being locked and fixed with the matching groove 16 through the locking part 15, and only by releasing the locking of the locking part 15 and the matching groove 16, the locking piece 3 is separated from the support 2, and the roller brush body 1 can be detached from the support 2.

Furthermore, the roller brush body 1 is provided with a twist grip (not shown), and the twist grip is located on the side of the roller brush body 1 facing the outside of the support 2.

In some possible embodiments, the matching groove 16 is a clamping groove, and the locking part 15 is a clamping protrusion matched with the clamping groove.

Further, the matching groove 16 comprises an inserting part 1601 along the inserting direction of the roller brush and a locking part 1602 vertically communicated with the inserting part 1601; when the locking member 3 is locked, the clamping protrusion is inserted into the insertion part 1601 and is rotated to the locking part 1602 from the insertion part 1601, so that the locking member 3 is locked and fixed with the mounting hole 202, that is, the support 2; during the unblock, make the joint protruding by locking part 1602 rotation to grafting portion 1601, and then can extract the joint is protruding from grafting portion 1601, and then can subsequent dismantlement of roller brush main part 1.

In some possible embodiments, the mating groove 16 is a threaded groove, and the locking portion 15 is an external thread mating with the threaded groove.

Of course, in other possible embodiments, the locking member 3 can be detachably connected with the mounting member by a snap connection or a screw connection.

Referring to fig. 5, further, for convenience of connection and transmission, the surfaces of the first pin 401 and the second pin 1401 are provided with a plurality of transmission ribs 17, and rib grooves (not labeled in the figure) matching with the transmission ribs 17 are provided in the first inserting groove 402 and the second inserting groove 1402.

Further, the driving protrusion 17 is tapered to facilitate the insertion of the first pin 401 into the first insertion groove 402 or the insertion of the second pin 1401 into the second insertion groove 1402.

Referring to fig. 5, in order to reduce collision damage, an arc chamfer is provided inside the first pin 401 and/or the first insertion groove 402, and an arc chamfer (not labeled) is provided inside the second pin 1401 and/or the second insertion groove 1402.

Further, in order to facilitate quick connection and reduce shaking during connection, the first pin 401 and the first inserting groove 402 are magnetically attracted to each other. That is, one of the first pin 401 and the first inserting groove 402 may be provided with a first magnetic attraction surface (not shown), and the other may be provided with a second magnetic attraction surface (not shown) capable of attracting the first magnetic attraction surface.

The arrangement of the second stud 1401 and the second bayonet slot 1402 may be the same as the arrangement of the first stud 401 and the second bayonet slot 1402.

Further, the first pin 401 may be a first magnet, and the first inserting groove 402 may be a second magnet or a ferromagnetic body attracted to the first magnet, but of course, when the first inserting groove 402 is a second magnet, the first pin 401 may be configured as a ferromagnetic body attracted to the second magnet.

Implementation process and principle of the embodiment:

when the roller brush main body 1 is disassembled, the locking piece 3 is disassembled from the mounting hole 202, namely the locking piece 3 is disassembled from the support 2, and then the roller brush main body 1 can be taken out from the mounting hole 202, namely the roller brush main body 1 is disassembled from the roller brush cavity 201 of the support 2, so that the roller brush main body 1 can be cleaned, maintained or replaced, the disassembly and the assembly are simple and convenient, and the maintenance of the roller brush is convenient and quick;

when the roller brush main body 1 is installed, the roller brush main body 1 is installed in the roller brush cavity 201 from the inside to the outside of the installation hole 202, so that the roller brush main body 1 is installed on the support 2, and then is fixedly installed in the installation hole 202 through the locking piece 3, so that the roller brush main body 1 is locked on the support 2.

In conclusion, the roller brush connecting structure provided by the utility model can enable the roller brush main body 1 to be conveniently and quickly detached, and is convenient for maintaining the roller brush main body 1.

The technical means disclosed in the utility model scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.

Claims (12)

1. A roller brush attachment structure characterized by comprising:

the roller brush comprises a roller brush main body (1), wherein at least one end of the roller brush main body (1) is provided with a locking piece (3), and the roller brush main body (1) can rotate relative to the locking piece (3); and

the roller brush comprises a support (2) with a roller brush cavity (201), a mounting hole (202) communicated to the roller brush cavity (201) is formed in the side wall of the support (2), a roller brush body (1) penetrates through the mounting hole (202) from outside to inside to be mounted in the roller brush cavity (201), and a locking piece (3) is detachably connected to the mounting hole (202).

2. A roller brush attachment structure according to claim 1, characterized in that the roller brush body (1) is provided at one end with a locking member (3) and at the other end with respect to the holder (2) to be rotatable and separable from the holder (2).

3. A roller brush attachment structure according to claim 2, further comprising a first attachment member (4), wherein the first attachment member (4) comprises a first pin (401) and a first insertion groove (402) which is insertion-fitted to the first pin (401), wherein the first pin (401) is rotatably provided on either one of the roller brush main body (1) and the holder (2), and the first insertion groove (402) is provided on the other one of the roller brush main body (1) and the holder (2).

4. A roller brush attachment structure according to any one of claims 1-3, characterized in that a first rotation groove (5) is provided in one of the retaining member (3) and the roller brush body (1), a first rotation member (6) is rotatably provided in the first rotation groove (5), and the other of the retaining member (3) and the roller brush body (1) is attached to the first rotation member (6).

5. A roller brush attachment structure according to claim 4, wherein the first rotating member (6) is a ball, and the first rotating groove (5) is a spherical groove in which the ball rotates.

6. A roller brush attachment structure according to claim 1, wherein a coupling protrusion (11) is provided on one of the locker (3) and the roller brush body (1), a coupling groove (12) is provided on the other of the locker (3) and the roller brush body (1), the coupling protrusion (11) is inserted into the coupling groove (12) with a gap circumferentially maintained from the coupling groove (12) to be rotatable with respect to the coupling groove (12), and a seal structure (13) is provided in the gap between the coupling protrusion (11) and the coupling groove (12).

7. A roller brush attachment structure according to claim 6, wherein the sealing structure (13) comprises at least two sealing ribs (1301) and sealing strips, the sealing ribs (1301) being spaced circumferentially around the attachment boss (11), the sealing strips being disposed between adjacent sealing ribs (1301).

8. A roller brush attachment structure according to claim 1, characterized in that the retaining member (3) is detachably attached to the roller brush body (1).

9. A roller brush connecting structure according to claim 8, further comprising a second connecting member (14), wherein the second connecting member (14) comprises a second pin (1401) and a second inserting groove (1402) which is inserted and fitted to the second pin (1401), wherein the second pin (1401) is rotatably provided on either one of the roller brush body (1) and the locker (3), and the second inserting groove (1402) is provided on the other one of the roller brush body (1) and the locker (3).

10. A roller brush attachment structure according to claim 8 or 9, wherein said roller brush body (1) is provided at both ends thereof with one of said locking members (3), and said holder (2) is provided with one of said mounting holes (202) corresponding to each of said locking members (3).

11. A roller brush attachment structure according to claim 1, wherein one of the locking member (3) and the mounting hole (202) is provided with a locking portion (15), and the other is provided with a fitting groove (16) which is fitted to the locking portion (15).

12. A roller brush attachment arrangement according to claim 3, wherein the first pin (401) and the first socket (402) are arranged in a magnetically attractive manner with respect to each other.

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