CN114523787B

CN114523787B - Painting brush cleaner

Info

Publication number: CN114523787B
Application number: CN202210270163.6A
Authority: CN
Inventors: 刘娟
Original assignee: Changzhou Vocational Institute of Textile and Garment
Current assignee: Changzhou Vocational Institute of Textile and Garment
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2023-09-15
Anticipated expiration: 2042-03-18
Also published as: CN114523787A

Abstract

The invention discloses a brush cleaner, and belongs to the technical field of artistic auxiliary appliances. The automatic sealing device mainly comprises a shell, an upper sealing plate arranged on the shell, a gear set arranged on the shell, a bearing assembly arranged on the shell and a rotating assembly arranged on the shell and in running fit with the gear set, wherein the gear set comprises a driving gear and a plurality of driven gears, the driven gears are uniformly arranged on the circumference of the driving gear and meshed with the driving gear, the upper sealing plate is fixed at one end of the shell, the rotating assembly comprises an inner cylinder and an outer cylinder, the inner cylinder penetrates through the circle center of the end face of the driven gear and is fixedly connected with the driven gear, and one end of the outer cylinder is fixedly connected with the upper sealing plate. The brush cleaner can clean a plurality of brushes with different functions at the same time with high strength, and improves the brush cleaning efficiency.

Description

Painting brush cleaner

Technical Field

The invention relates to the technical field of artistic auxiliary appliances, in particular to a brush cleaner.

Background

The painting brush is an artistic auxiliary tool, and is mainly divided into an oil painting brush and a work pen.

The two paintbrushes are different in material and purpose. In general, pigment materials stained with the two materials are different when the brush is used, so that when the brush is cleaned, the pigments on the two brushes can be cleaned by using cleaning liquid with different components, and a plurality of brushes of different types are difficult to clean at the same time.

When different types of brushes need to be cleaned, the brush cleaning efficiency is low due to the manual cleaning mode, so that a brush cleaner is needed to solve the problems.

Disclosure of Invention

Based on the above-mentioned problems existing in the prior art, an object of an embodiment of the present invention is to: provided is a brush cleaner capable of improving the cleaning effect of a brush.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a painting brush purger, includes the casing, set up on the casing and with casing fixed connection's last closing plate, set up in gear train in the casing, set up in on the casing and with casing fixed connection accept the subassembly and set up in the casing and with gear train normal running fit's rotating assembly, the gear train includes driving gear and a plurality of driven gear, a plurality of driven gear evenly sets up in driving gear circumference and meshes with the driving gear mutually, go up the closing plate and be fixed in the one end of casing, rotating assembly includes inner cylinder and outer cylinder, inner cylinder runs through in the centre of a circle department of driven gear terminal surface and with driven gear fixed connection, the one end and the last closing plate of outer cylinder are fixed to be linked to each other, annular interior turn-in groove has been seted up to the one end of outer cylinder of driven gear face, the one end that outer cylinder kept away from the upper closing plate is equipped with annular outer turn-in detaining, outer cylinder and driven gear are through the mutual cooperation in turn-in detaining and the groove and the activity link to each other, the subassembly is including accepting the storehouse and opening on accepting the storehouse terminal surface, one end runs through the inside and one end of outer cylinder and one end on the outer cylinder and the inside of outer cylinder that is located one side of inner cylinder through the inner cylinder of keeping away from the inner cylinder and inserts the storehouse.

Further, the bearing assembly further comprises a lower baffle, an inner ring, an inner baffle and a bearing groove for containing cleaning liquid, wherein the lower baffle is fixedly connected with the bearing bin and the inner ring to form an annular bearing groove in the bearing bin, one end of the inner baffle is fixed on the inner side of the bearing bin, and the other end of the inner baffle is fixed on the outer side of the inner ring to divide the bearing groove into a plurality of different chambers in the bearing bin.

Further, the driving gear is close to the end face of the bearing assembly and is provided with a detachable bearing, the detachable bearing comprises an upper bearing, a lower bearing, a fixing bolt and a nut in threaded engagement with the fixing bolt, one end of the upper bearing is fixedly connected with the circle center of the end face of the driving gear, an inner groove is formed in the other end of the upper bearing, a first through hole penetrates through the side face of the upper bearing, which is located at the inner groove, a second through hole penetrates through the side face of one end of the lower bearing, the diameter of the lower bearing is slightly smaller than the inner diameter of the inner groove of the upper bearing, the diameters of the first through hole and the second through hole are equal, so that when the lower bearing is inserted into the inner groove, the fixing bolt penetrates through the first through hole and the second through hole and is in threaded engagement with the nut, and the upper bearing is in threaded connection with the lower bearing and is convenient to disassemble.

Further, the inside driving motor that is equipped with of casing, the one end that upper bearing was kept away from to the lower bearing links to each other with driving motor's rotor is fixed, the one end swing joint that upper seal plate was kept away from to the casing has the base, driving motor and base are fixed to link to each other.

Further, the inside drain pipe and the blowdown subassembly that is equipped with of casing, the blowdown subassembly includes blowdown storehouse and outlet pipe, link up through the drain pipe between the blowdown storehouse and the storehouse of accepting, the one end and the blowdown storehouse of outlet pipe link to each other, the other end of outlet pipe is located outside the blowdown storehouse.

Further, the blowdown assembly further comprises an upper end cover and a plurality of built-in plates, and the upper end cover is movably connected with one end of the blowdown bin, which is not closed, so that a cavity capable of storing liquid is formed.

Further, a section of the lower bearing between the upper bearing and the driving motor penetrates through the sewage draining bin, and one ends of the built-in plates are fixedly connected to the circumference of the section of the upper bearing in the sewage draining bin.

The end face of the built-in plate is provided with a plurality of small holes, and the width of the built-in plate is equal to the height of a cavity formed by the pollution discharge bin and the upper end cover.

Further, the number of teeth of the driven gear is smaller than that of the driving gear.

The beneficial effects of the invention are as follows: the invention provides a painting brush cleaner, which comprises a driving gear and a plurality of driven gears, wherein the driven gears are uniformly arranged on the circumference of the driving gear and meshed with the driving gear, an upper sealing plate is fixed at one end of a shell, a rotating assembly comprises an inner cylinder and an outer cylinder, the inner cylinder penetrates through the circle center of the end face of the driven gear and is fixedly connected with the driven gear, one end of the outer cylinder is fixedly connected with the upper sealing plate, one end of the driven gear facing the outer cylinder is provided with an annular inward turning groove, one end of the outer cylinder far away from the upper sealing plate is provided with an annular outward turning buckle, the outer cylinder and the driven gears are movably connected through the mutual matching of the outward turning buckle and the inward turning groove, the inner cylinder penetrates through the outer cylinder, one end of the inner cylinder is located at one side, far away from the outer cylinder, of the upper sealing plate, the other end of the inner cylinder is inserted into the inner cylinder through the through hole, when the driving gear rotates, the driven gear is driven to drive the inner cylinder to rotate relative to the outer cylinder through meshing transmission, the inner cylinder is utilized to drive the brushes to rotate in the inner cylinder, the plurality of brushes are simultaneously cleaned, the transmission ratio between the inner cylinder and the outer cylinder is larger, the rotation speed of the driven gear is higher, the brushes can rotate at a high speed, and the cleaning effect is better.

Drawings

The invention is further described below with reference to the drawings and examples.

In the figure:

FIG. 1 is a schematic perspective view of a brush cleaner of the present invention;

FIG. 2 is a bottom plan view of the gear set of the present invention;

FIG. 3 is a schematic view in partial cross-section of FIG. 1 in accordance with the present invention;

FIG. 4 is a schematic perspective view of a receiving assembly according to the present invention;

FIG. 5 is a schematic view of the same view of FIG. 4 with the lower baffle removed;

FIG. 6 is a schematic cross-sectional view of a removable bearing of the present invention;

FIG. 7 is a schematic cross-sectional view of a drain assembly of the present invention;

wherein, each reference sign in the figure:

1. a housing; 11. an upper sealing plate; 12. a base; 13. a driving motor;

2. a gear set; 21. a drive gear; 22. a driven gear; 221. an inversion groove;

3. a rotating assembly; 31. an inner cylinder; 32. an outer cylinder; 321. an everting button;

4. a detachable bearing; 41. an upper bearing; 411. perforating first; 412. an inner groove; 42. a lower bearing; 421. perforating the second hole; 43. a fixing bolt; 44. a nut;

5. a receiving assembly; 51. a receiving bin; 52. an inner ring; 53. a lower baffle; 531. a drain pipe; 54. a receiving groove; 541. a through port; 55. an inner baffle;

6. a blowdown assembly; 61. an upper end cap; 62. a pollution discharge bin; 63. a built-in plate; 64. and a water outlet pipe.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. The figure is a simplified schematic diagram illustrating the basic structure of the invention only by way of illustration, and therefore it shows only the constitution related to the invention.

As shown in fig. 1-3, the invention provides a brush cleaner, which comprises a housing 1, an upper sealing plate 11 arranged on the housing 1 and fixedly connected with the housing 1, a gear set 2 arranged in the housing 1, a bearing assembly 5 arranged on the housing 1 and fixedly connected with the housing 1, a plurality of rotating assemblies 3 arranged in the housing 1 and rotationally matched with the gear set 2, a detachable bearing 4 arranged in the housing 1 and fixedly connected with the gear set 2, and a drain assembly 6 arranged in the housing 1, wherein the rotating assemblies 3 and the bearing assembly 5 are movably connected, the bearing assembly 5 and the drain assembly 6 are communicated and connected, so that a plurality of brushes are respectively inserted into the plurality of rotating assemblies 3, a brush to be cleaned end is inserted into the bearing assembly 5 through the rotating assemblies 3, the bearing assembly 5 is filled with brush cleaning liquid, the detachable bearing 4 is rotated through external torque, the gear set 2 is driven by the detachable bearing 4 to rotate through the external torque, the plurality of rotating assemblies 3 are simultaneously rotated in the bearing assembly 5, residual paint on the brush is finally cleaned to the drain assembly 6, and the drain assembly 6 is discharged out of the housing 1.

The gear set 2 includes a driving gear 21 and a plurality of driven gears 22, the plurality of driven gears 22 are uniformly disposed around the driving gear 21 and meshed with the driving gear 21, and the upper sealing plate 11 is fixed at one end of the housing 1.

The rotating assembly 3 comprises an inner cylinder 31 and an outer cylinder 32, wherein the inner cylinder 31 penetrates through the circle center of the end face of the driven gear 22 and is fixedly connected with the driven gear 22, one end of the outer cylinder 32 is fixedly connected with the upper sealing plate 11, one end of the driven gear 22 facing the outer cylinder 32 is provided with an annular inward turning groove 221, one end of the outer cylinder 32 far away from the upper sealing plate 11 is provided with an annular outward turning button 321, the outer cylinder 32 and the driven gear 22 are movably connected through the mutual matching of the outward turning button 321 and the inward turning groove 221, so that when the driving gear 21 starts to rotate under the driving force, the outer cylinder 32 is relatively fixed through the upper sealing plate 11 and the shell 1, the driven gear 22 is movably connected with the outer cylinder 32, so that when the driving gear 21 rotates, the driven gear 22 can stably rotate under the meshing action of the driving gear 21, and the driven gear 22 drives the inner cylinder 31 fixedly connected with the driven gear, a painting brush to be cleaned is inserted into the cylinder 31, the painting brush can rotate along with the inner cylinder 31, the painting brush 5 comprises a supporting bin 51 and a through opening 541 arranged on the end face of the supporting bin 51, the inner cylinder 31 penetrates through the inside of the outer cylinder 32 and is positioned at one end face of the inner cylinder 32, and is far away from the inner cylinder 31, and the inner cylinder 31 is effectively cleaned, and the other end of the inner cylinder 51 is kept in the supporting bin 51 is filled with the inside the inner cylinder 51, and is completely cleaned, and the inside of the paint brush is filled into the inside the inner cylinder 51 through the supporting bin 31.

In some embodiments, driven gears 22 may be provided in plural, and the plural driven gears 22 are each fitted with an outer cylinder 32 and an inner cylinder 31, so that plural inner cylinders 31 can be inserted into plural painting brushes at the same time, and the plural painting brushes can be cleaned at the same time.

In some embodiments, the number of teeth of the driven gear 22 is less than that of the driving gear 21, specifically, the number of teeth of the driven gear 22 is one fourth, one eighth or other ratio less than one, so that when the driving gear 21 drives the driven gear 22 to rotate through the meshing transmission, the rotation speed of the driven gear 22 is far faster than that of the driving gear 21, that is, the driven gear 22 drives the painting brush to rotate faster than that of the driving gear 21 through the inner cylinder 31, the rotation speed obtained by the painting brush is greater, the centrifugal force is greater when the painting brush receives the cleaning liquid in the bin 51 to rotate, and the cleaning effect is better.

As shown in fig. 4-5, the receiving assembly 5 further includes a lower baffle 53, an inner ring 52, an inner baffle 55, and a receiving groove 54 for containing cleaning liquid, where the lower baffle 53 is fixedly connected with the receiving chamber 51 and the inner ring 52 to form a ring-shaped receiving groove 54 inside the receiving chamber 51, one end of the inner baffle 55 is fixed on the inner side of the receiving chamber 51, and the other end of the inner baffle 55 is fixed on the outer side of the inner ring 52 to divide the receiving groove 54 into a plurality of different chambers inside the receiving chamber 51, each chamber corresponds to one through hole 541, and each chamber is communicated with the inner cylinder 31 through the corresponding through holes 541, i.e. the number of driven gears 22 is the same as the number of the inner baffles 55, different kinds of cleaning liquids can be filled into different chambers of the receiving groove 54, and different kinds of brushes can be inserted into the corresponding chambers inside the receiving chamber 51 through the through holes 541, so that a plurality of brushes can be cleaned effectively in the similar and compatible cleaning liquids.

In some of these embodiments, the number of inner baffles 55 is provided in two but is not limited to this number.

As shown in fig. 1-6, the detachable bearing 4 includes an upper bearing 41, a lower bearing 42, a fixing bolt 43, and a nut 44 in threaded engagement with the fixing bolt 43, one end of the upper bearing 41 is fixedly connected with the center of the end face of the driving gear 21, an inner groove 412 is formed in the other end of the upper bearing 41, a first through hole 411 is formed in the side face of the upper bearing 41 located at the inner groove 412, a second through hole 421 is formed in the side face of one end of the lower bearing 42, the diameter of the lower bearing 42 is slightly smaller than the inner diameter of the inner groove 412 of the upper bearing 41, the diameters of the first through hole 411 and the second through hole 421 are equal, and when the lower bearing 42 is inserted into the inner groove 412, the fixing bolt 43 penetrates the first through hole 411 and the second through hole 421 and is in threaded engagement with the nut 44, so that the upper bearing 41 and the lower bearing 42 are in bolted connection and are convenient to disassemble.

As shown in fig. 1, the driving motor 13 is disposed inside the casing 1, one end of the lower bearing 42 away from the upper bearing 41 is fixedly connected with the rotor of the driving motor 13, one end of the casing 1 away from the upper sealing plate 11 is movably connected with the base 12, the driving motor 13 is fixedly connected with the base 12, it can be understood that when the detachable bearing 4 is not disassembled, the rotor of the driving motor can drive the whole detachable bearing 4 to rotate when the driving motor 13 is started, so that the gear set 2 can realize the above motion, and the cleaning of the brushes, including the simultaneous efficient cleaning of a plurality of brushes and the simultaneous cleaning of different types of brushes, can be realized.

As shown in fig. 1-7, the drain assembly 6 includes a drain chamber 62 and a water outlet pipe 64, and it is understood that one end of the water outlet pipe 531 is connected to a pump (not shown), and the drain chamber 62 is connected to the receiving chamber 51 through the water outlet pipe 531, so that the liquid after cleaning the painting brush is pumped into the drain chamber 62 from the receiving chamber 51 through the pump.

One end of the water outlet pipe 64 is connected with the sewage draining bin 62, and it is understood that one end of the water outlet pipe 64 is connected with a pump II (not shown), the other end of the water outlet pipe 64 is arranged outside the sewage draining bin 62, and sewage in the sewage draining bin 62 is drained from the water outlet pipe 64 through the pump II.

The sewage disposal assembly 6 further comprises an upper end cover 61 and a plurality of built-in plates 63, wherein the upper end cover 61 is movably connected with one end of the sewage disposal bin 62 which is not closed to form a cavity capable of storing liquid, a section of the lower bearing 42 between the upper bearing 41 and the driving motor 13 penetrates through the sewage disposal bin 62, one ends of the built-in plates 63 are fixedly connected with the circumference of a section of the lower bearing 42 positioned in the sewage disposal bin 62, it is understood that when the driving motor 13 is started, the rotor of the driving motor can drive the whole detachable bearing 4 to rotate, namely, the lower bearing 42 also drives the built-in plates 63 to rotate in the cavity of the sewage disposal bin 62, so that liquid pumped into the sewage disposal bin 62 is stirred by the rotated built-in plates 63, impurities such as pigment residues in the liquid are not easy to precipitate in the sewage disposal bin 62, and the impurities are prevented from being attached to the end face of the upper end cover 61 facing the sewage disposal bin 62 and the inner wall or the bottom end of the sewage disposal bin 62.

The end surface of the built-in plate 63 is provided with a plurality of small holes, so that when the built-in plate 63 rotates along with the lower bearing 42, impurities in sewage in the sewage draining bin 62 can be filtered, the liquid discharged from the water outlet pipe 64 has a small impurity content, and the recycling is convenient.

The width of the built-in plate 63 is equal to the height of the cavity formed by the pollution discharge bin 62 and the upper end cover 61, so that when the built-in plate 63 rotates, the end face of the upper end cover 61 facing the pollution discharge bin 62 and impurities attached to the bottom end of the pollution discharge bin 62 can be scraped and rubbed.

In some embodiments, the length of the built-in plate 63 may be set to be the radius of the blowdown chamber 62 minus the radius of the lower bearing 42, so that when the built-in plate 63 rotates in the blowdown chamber 62, the size of the built-in plate is just enough to simultaneously scratch the end surface of the upper end cover 61 facing the blowdown chamber 62, the inner wall of the blowdown chamber 62 and the bottom end of the blowdown chamber 62, so that impurities in the liquid discharged into the blowdown chamber 62 can be prevented from adhering to the end surface of the upper end cover 61 facing the blowdown chamber 62 and the inner wall or bottom end of the blowdown chamber 62.

As shown in fig. 6 to 7, it can be understood that when excessive impurities are attached to the built-in plate 63, the nuts 44 can be separated from the fixing bolts 43, the fixing bolts 43 can be pulled out from the first through holes 411 and the second through holes 421, at this time, the upper end cover 61 can be separated from the pollution discharge bin 62, the lower bearing 42 and the upper bearing 41 can be separated, the disassembled device comprises the built-in plate 63, at this time, the disassembled built-in plate 63 or other devices can be cleaned, and the built-in plate 63 can be cleaned conveniently, so that the service life of the device is prolonged.

In summary, the inner baffle 55 separates the receiving bin 51 into different chambers, different types of paint cleaning liquid are filled in the different chambers, a plurality of paints of the same type or different types are inserted into the corresponding chambers in the receiving bin 51 through the inner cylinder 31, the driving motor 13 is started to drive the detachable bearing 4, the driving gear 21 and the rotating built-in plate 63 in the sewage bin 62 are driven by the detachable bearing 4, the driving gear 21 drives the driven gear 22 to rotate due to the meshing effect, the paint in the inner cylinder 31 rotates at a high speed under the cooperation of the rotating assembly 3, so that the paint is cleaned in the chambers of the receiving bin 51, the cleaned liquid is discharged into the sewage bin 62 through the drain pipe 531, small holes are formed in the built-in plate 63, impurities in the liquid are filtered during rotation, the built-in plate 63 is scraped against the inner wall of the sewage bin 62 during rotation, the impurities are prevented from being attached to the inner wall of the sewage bin 62, finally, the sewage is discharged out of the housing 1, the discharged sewage bearing 4 is favorable for recovery, and the service life of the device can be prolonged by opening the detachable sewage bearing 4.

While the foregoing is directed to the preferred embodiment of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.

Claims

1. A brush cleaner, characterized in that: comprises a shell (1), an upper sealing plate (11) which is arranged on the shell (1) and is fixedly connected with the shell (1), a gear set (2) which is arranged in the shell (1), a bearing component (5) which is arranged on the shell (1) and is fixedly connected with the shell (1), and a rotating component (3) which is arranged in the shell (1) and is rotationally matched with the gear set (2), wherein the gear set (2) comprises a driving gear (21) and a plurality of driven gears (22), the driven gears (22) are uniformly arranged on the circumference of the driving gear (21) and are meshed with the driving gear (21), the upper sealing plate (11) is fixed at one end of the shell (1), the rotating component (3) comprises an inner cylinder (31) and an outer cylinder (32), the inner cylinder (31) penetrates through the circle center of the end face of the driven gear (22) and is fixedly connected with the driven gear (22), one end of the outer cylinder (32) is fixedly connected with the upper sealing plate (11), an annular groove (321) is formed in the end of the driven gear (22) facing the outer cylinder (32), the annular end (321) is far away from the annular inner cylinder (221), the outer cylinder (32) and the driven gear (22) are movably connected through the mutual matching of the eversion buckle (321) and the eversion groove (221), the bearing assembly (5) comprises a bearing bin (51) and a through hole (541) formed in the end face of the bearing bin (51), the inner cylinder (31) penetrates through the inside of the outer cylinder (32) and one end of the inner cylinder is positioned at one side, far away from the outer cylinder (32), of the upper sealing plate (11), the other end of the inner cylinder (31) is inserted into the inside of the bearing bin (51) through the through hole (541), the end face of the driving gear (21) close to the bearing assembly (5) is provided with a detachable bearing (4), the detachable bearing (4) comprises an upper bearing (41), a lower bearing (42), a fixing bolt (43) and a nut (44) in threaded engagement with the fixing bolt (43), one end of the upper bearing (41) is fixedly connected with the center of the end of the driving gear (21), the other end of the upper bearing (41) is internally provided with an inner groove (412), the other end of the upper bearing (41) is positioned at the inner side of the inner groove (412) and the inner diameter of the inner groove (412) is slightly smaller than the diameter of the inner diameter of the bearing (411) penetrating through the lower bearing (42), perforation one (411) and perforation two (421) bore equal, so that when lower bearing (42) inserts in recess (412), through with fixing bolt (43) run through perforation one (411) and perforation two (421) and with nut (44) screw thread engagement, cause upper bearing (41) with lower bearing (42) bolted connection just is convenient for dismouting, casing (1) inside is equipped with drain pipe (531) and blowdown subassembly (6), blowdown subassembly (6) include blowdown storehouse (62) and outlet pipe (64), link up through drain pipe (531) between blowdown storehouse (62) and the accepting storehouse (51), blowdown subassembly (6) still include upper end cover (61) and polylith built-in plate (63), upper end cover (61) link up through with blowdown storehouse (62) unblocked one end activity in order to form the cavity that can store liquid, one section between lower bearing (42) are located upper bearing (41) and driving motor (13) runs through in storehouse (62), one end of polylith built-in plate (62) is located in the blowdown section of a lower bearing (42) and is fixed in one and is located the blowdown section of a storehouse (42).

2. The brush cleaner of claim 1, wherein: the bearing assembly (5) further comprises a lower baffle (53), an inner side ring (52), an inner baffle (55) and a bearing groove (54) for containing cleaning liquid, the lower baffle (53) is fixedly connected with the bearing bin (51) and the inner side ring (52) to form an annular bearing groove (54) in the bearing bin (51), one end of the inner baffle (55) is fixed on the inner side of the bearing bin (51), and the other end of the inner baffle (55) is fixed on the outer side of the inner side ring (52) so as to divide the bearing groove (54) into a plurality of different chambers in the bearing bin (51).

3. The brush cleaner of claim 1, wherein: the novel motor is characterized in that a driving motor (13) is arranged inside the shell (1), one end, away from the upper bearing (41), of the lower bearing (42) is fixedly connected with a rotor of the driving motor (13), one end, away from the upper sealing plate (11), of the shell (1) is movably connected with a base (12), and the driving motor (13) is fixedly connected with the base (12).

4. A brush cleaner as defined in claim 3, wherein: one end of the water outlet pipe (64) is connected with the pollution discharge bin (62), and the other end of the water outlet pipe (64) is arranged outside the pollution discharge bin (62).

5. The brush cleaner of claim 4, wherein: the end face of the built-in plate (63) is provided with a plurality of small holes, and the width of the built-in plate (63) is equal to the height of a cavity formed by the pollution discharge bin (62) and the upper end cover (61).

6. The brush cleaner of claim 1, wherein: the number of teeth of the driven gear (22) is less than the number of teeth of the driving gear (21).