CN218419657U - Brush clearance subassembly and robot of sweeping floor - Google Patents

Abstract

The utility model belongs to the technical field of cleaning device, a brush clearance subassembly and robot of sweeping floor are related to, the brush clearance subassembly includes: the novel electric hair brush comprises a roller, a hair brush, a transmission rolling shaft, a first mounting seat, a first gear and a second gear, wherein the roller is in contact with the transmission rolling shaft, the first gear and the second gear are both rotatably arranged on the first mounting seat, the hair brush is rotatably and circumferentially fixedly connected with the first gear, and the transmission rolling shaft is rotatably and circumferentially fixedly connected with the second gear. The diameter of the roller is larger than that of the brush, and the diameter of the brush is larger than that of the transmission roller. The transmission roller shaft follows the cylinder and rotates according to frictional force when the cylinder rotates to rotate through first gear and second gear drive brush, need not to set up the motor that is used for driving the brush, can reduce the shared structural space of brush clearance subassembly, thereby can reduce the volume of robot of sweeping the floor, and then can improve the convenience of accomodating.

Description

Brush clearance subassembly and robot of sweeping floor

Technical Field

The utility model relates to a cleaning device technical field, concretely relates to brush clearance subassembly and robot of sweeping floor.

Background

Along with the development of society, the pace of life is accelerated, and intelligent house receives people's favor more and more, and the robot of sweeping the floor is a daily domestic appliance, can accomplish the cleaning work in the room automatically.

In the related art, the sweeping robot may include a drum for cleaning dust on a bottom surface, and a brush for sweeping hair or dust adhered to the drum into a garbage box, which may be driven by a built-in motor, during the sweeping process.

However, the motor for driving the brush in the sweeping robot needs to occupy more structural space, so that the size of the sweeping robot can be increased, and the problem of inconvenience in storage is caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's defect, provide a brush clearance subassembly and robot of sweeping floor, solve the current motor that the robot of sweeping floor set up the drive brush and need occupy more structural space, lead to sweeping the floor that the robot is bulky, accomodate inconvenient problem.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

in a first aspect, there is provided a brush cleaning assembly comprising: the device comprises a roller, a brush, a transmission rolling shaft, a first mounting seat, a first gear and a second gear, wherein the first gear is meshed with the second gear, the diameter of the roller is larger than that of the brush, and the diameter of the brush is larger than that of the transmission rolling shaft;

the roller is in contact with the transmission rolling shaft, and the transmission rolling shaft rotates along with the roller;

the first gear and the second gear are both rotatably arranged on the first mounting seat, the hairbrush is rotatably and circumferentially fixedly connected with the first gear, and the transmission rolling shaft is rotatably and circumferentially fixedly connected with the second gear;

the transmission rolling shaft drives the hairbrush to rotate through the first gear and the second gear, the rotating direction of the hairbrush is the same as that of the roller, and the hairbrush is used for cleaning the roller.

Through setting up first gear, second gear and transmission roller bearing, the transmission roller bearing that contacts with the cylinder can rely on frictional force to follow the cylinder when the cylinder rotates and rotate to rotate through first gear and second gear drive brush, need not to set up the motor that is used for driving the brush, can reduce the shared structure space of brush clearance subassembly, thereby can reduce the volume of robot of sweeping the floor, and then can improve the convenience of accomodating.

In a first possible implementation manner of the first aspect, the first gear is provided with a first hole, and the driving roller is circumferentially and fixedly connected with the first gear through a first connecting portion preset at an end portion of the driving roller in combination with the first hole;

the second gear is provided with a second hole, and the brush is combined with the second hole to be fixedly connected with the second gear in the circumferential direction through a second connecting part which is preset at the end part;

the patterns corresponding to the first holes are different from the patterns corresponding to the second holes, so that the mounting efficiency of the brush and the transmission roller can be improved.

In a second possible implementation manner of the first aspect, the driven roller includes: first pivot and two gum covers, two the gum cover is established respectively the cover is established the both ends of first pivot, and two the gum cover all with the surface of cylinder is laminated mutually, is guaranteeing under the prerequisite of enough frictional force, reduces the installation degree of difficulty of gum cover.

Based on any one of the foregoing possible implementation manners of the first aspect, in a third possible implementation manner of the first aspect, the size of the second gear is larger than that of the first gear, so that the rotation speed of the brush can be increased, and the cleaning efficiency can be improved.

Based on the third possible implementation manner of the first aspect, in a fourth possible implementation manner of the first aspect, the gear ratio between the first gear and the second gear may range from 1.5 to 1.

Based on any one of the foregoing possible implementation manners of the first aspect, in a fifth possible implementation manner of the first aspect, the brush cleaning assembly further includes: the first mounting seat and the second mounting seat are respectively flush with two ends of the roller;

the end of the brush far away from the first mounting seat and the end of the transmission rolling shaft far away from the first mounting seat are both connected with the second mounting seat in a rotating mode.

Based on the fourth possible implementation manner of the first aspect, in a sixth possible implementation manner of the first aspect, the first mounting seat includes: a gear cavity and a gear cover plate;

the gear cavity is used for accommodating the first gear and the second gear, and the gear cover plate is used for enclosing the first gear and the second gear in the gear cavity.

Based on the fourth possible implementation manner of the first aspect, in a seventh possible implementation manner of the first aspect, the second mounting seat includes: a mounting unit and a mounting body;

the bottom of the mounting unit is provided with an elastic bulge, the mounting main body is provided with a clamping groove, and the mounting unit is clamped in the clamping groove of the mounting unit through the elastic bulge;

the brush is characterized in that a through hole is formed in the first mounting seat, the first gear is rotatably arranged on the through hole, one end of the brush is connected with the first gear in a clamped mode, and one end of the brush, far away from the first mounting seat, is rotatably connected with the mounting unit.

Based on the seventh possible implementation manner of the first aspect, in an eighth possible implementation manner of the first aspect, the card slot includes: a first via and a second via;

the second through hole is located below the first through hole, the aperture of the second through hole is larger than that of the first through hole, and the elastic bulge of the mounting unit penetrates through the first through hole and is clamped on a step surface between the first through hole and the second through hole.

In a second aspect, there is provided a sweeping robot comprising: a waste bin and a brush cleaning assembly as described in any one of the above possible implementations based on the first aspect;

the garbage box is used for containing dust cleaned by the roller through the brush.

It is understood that the beneficial effects of the second aspect can be referred to the related description of the first aspect, and are not described herein again.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1A is a scene schematic diagram of a cleaning scene related to a sweeping robot according to an embodiment of the present disclosure;

fig. 1B is a schematic structural diagram of a sweeping robot provided in the embodiment of the present application;

FIG. 2 is an exploded view of the overall structure of a brush cleaning assembly provided in accordance with an embodiment of the present application;

FIG. 3 is an exploded view of a partial structure of a brush cleaning assembly provided in accordance with an embodiment of the present application;

FIG. 4 is a cross-sectional view of the connection of a brush cleaning assembly according to an embodiment of the present disclosure;

FIG. 5A is an enlarged view of a second shaft according to an embodiment of the present disclosure;

FIG. 5B is an enlarged view of a portion of a brush according to an embodiment of the present disclosure;

FIG. 5C is an enlarged, partial view of a second gear according to embodiments of the present application;

FIG. 6A is an enlarged partial view of a first gear according to an embodiment of the present disclosure;

FIG. 6B is an enlarged view of a portion of a first shaft according to an embodiment of the present disclosure;

FIG. 7 is an enlarged view of a portion of a second mounting socket provided in accordance with an embodiment of the present application;

fig. 8 is a partially enlarged view of a second rotating shaft end fixing provided in the embodiment of the present application.

Reference numbers in the drawings:

010-roller, 020-brush, 021-brush, 0211-locating protrusion, 022-second rotating shaft, 0221-locating groove, 0222-second connecting part, 023-third bearing, 024-fourth bearing, 025-transmission roller bearing pressing plate, 026-screw, 030-transmission roller, 031-first rotating shaft, 031-first connecting part, 032-rubber sleeve, 032 a-first rubber sleeve, 032 b-second rubber sleeve, 033-first bearing, 034-second bearing, 041-first mounting seat, 0411-first bearing hole, 0412-third bearing hole, 0413-gear cavity, 0414-gear cover plate, 042-second mounting seat, 0421-mounting body, 0422-first through hole, 0423-second through hole, 0424-hollowed-out groove, 0425-second bearing hole, 0426-mounting unit, 0426 a-fourth bearing hole, 051-first gear, 051-first through hole, 051-second through hole, 052-second through hole, and 052-second bearing hole.

Detailed Description

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 herein in the description is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention, for example, the terms "length," "width," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or position illustrated in the drawings, which are for convenience of description only and are not to be construed as limiting of the present disclosure.

The terms "including" and "having," and any variations thereof, in the description and claims of this invention and the description of the above figures are intended to cover non-exclusive inclusions; the terms "first," "second," and the like in the description and in the claims, or in the drawings, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order. The meaning of "plurality" is two or more unless explicitly defined otherwise.

In the description and claims of the present invention and in the description of the above figures, when an element is referred to as being "fixed" or "mounted" or "disposed" or "connected" to another element, it can be directly or indirectly located on the other element. For example, when an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

Furthermore, reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The robot of sweeping the floor is a daily domestic appliance, and wherein, round brush and brush are the important component part of the robot of sweeping the floor, and brush and round brush are driven by different motors usually, and these motors can occupy more structural space in arranging of the robot of sweeping the floor, have increased the volume of the robot of sweeping the floor, have brought very big puzzlement for accomodating of the robot of sweeping the floor.

The utility model provides a brush clearance subassembly through set up cylinder, brush, transmission roller bearing, first mount pad, first gear and second gear in sweeping the floor the robot, makes the brush and contact with the cylinder, makes the cylinder contact with the transmission roller bearing simultaneously, and the transmission roller bearing is followed the cylinder and is rotated when the cylinder rotates to make the brush follow the transmission roller bearing and rotate, realize the clearance to the cylinder.

First, a brush cleaning assembly and a related cleaning scene provided by the embodiment of the application are introduced.

Referring to fig. 1A, fig. 1A is a scene schematic diagram of a cleaning scene related to a sweeping robot provided in an embodiment of the present application, where the cleaning scene may include: a sweeping robot A and dust and sundries B.

Referring to fig. 1B, fig. 1B is a schematic structural diagram of a sweeping robot provided in an embodiment of the present application, where the sweeping robot may include: a roller 010, a brush 020, a transmission roller 030 and a garbage box.

Wherein the drum 010 may be composed of a motor, plastic, and sponge. Moreover, the cleaning scene may be an indoor environment, an outdoor environment, or an environment in which the cleaning robot can travel, and the cleaning scene is not limited in the embodiments of the present application.

In the running process of the sweeping robot, the sweeping robot a can move in a sweeping environment according to a pre-planned route, and in the moving process, dust and impurities on the ground are cleaned through the roller 010, so that the dust and impurities are adhered to the surface of the roller 010, and the ground is cleaned.

Further, in order to improve the adhesion of the roller 010 to dust and impurities, the roller 010 can be cleaned by the brush 020, so that the cleaned garbage is added into the garbage box. Specifically, in the traveling process of the sweeping robot a, the driving roller 030 drives the brush 020 to rotate based on the rotating roller 010, and the rotating direction of the brush 020 is the same as the rotating direction of the roller 010, so that the garbage adhered to the surface of the roller 010 is cleaned through the brush 020.

Referring to fig. 2, 3 and 4, fig. 2 is an exploded view of an overall structure of a brush cleaning assembly according to an embodiment of the present disclosure, fig. 3 is an exploded view of a partial structure of a brush cleaning assembly according to an embodiment of the present disclosure, and fig. 4 is a cross-sectional view of a connection relationship of a brush cleaning assembly according to an embodiment of the present disclosure. The brush cleaning assembly may include: the roller 010, the brush 020, the transmission roller 030, the first mounting seat 041, the first gear 051 and the second gear 052.

Wherein, the cylinder 010 contacts with the drive roller 030, and the drive roller 030 rotates along with the cylinder 010. Moreover, the first gear 051 is engaged with the second gear 052, and the driving roller 030 drives the brush 020 to rotate through the engagement of the first gear 051 and the second gear 052.

Moreover, the diameter of cylinder 010 is greater than the diameter of brush 020, the diameter of brush 020 is greater than the diameter of drive roller 030, in the embodiment, the diameter that sets up cylinder 010 is great can guarantee the clean area of cylinder 010, then guarantee the clean effect of cylinder 010, the diameter of same brush 020 sets up to medium, when guaranteeing brush 020 to the clean effect of cylinder 010, can not lead to the robot volume of sweeping the floor to increase because the brush is too big, and drive roller 030 is only used for the transmission, and set up between cylinder 010 and brush 020, for not influencing the clean cylinder 010 of brush 020, make the structure compacter simultaneously, so set up the size with drive roller 030 to the minimum.

In addition, the first gear 051 and the second gear 052 can be rotatably arranged on the first mounting seat 041, the brush 020 and the second gear 052 are rotatably and circumferentially fixedly connected, and the transmission roller 030 and the first gear 051 are rotatably and circumferentially fixedly connected.

Specifically, the brush 020, the roller 010 and the transmission roller 030 are arranged in an inverted triangle shape when viewed from any one mounting seat direction, the roller 010 is in contact with the transmission roller 030, and the brush 020 is in contact with the roller 010.

When the robot of sweeping the floor is started, the cylinder 010 begins to rotate under the drive of the built-in motor, because the cylinder 010 contacts with the transmission roller 030, under the effect of friction force, the transmission roller 030 rotates along with the cylinder 010, the transmission roller 030 drives the brush 020 through the first gear 051 and the second gear 052, the rotation direction of the brush 020 is the same as the rotation direction of the cylinder 010, and the cleaning of the brush 020 to the cylinder 010 is realized.

In an alternative embodiment, the drive roller 030 may comprise: a first rotating shaft 031, a rubber sleeve 032, a first bearing 033 and a second bearing 034.

Referring to fig. 4, the first rotating shaft 031 is rotatably disposed on the first mounting seat 041 through a first bearing 033.

Furthermore, referring to fig. 2, the rubber sleeve 032 can be formed in two ways, the first way is an integral forming, and the second way is to form two sections for the rubber sleeve 032, i.e. a first rubber sleeve 032a and a second rubber sleeve 032b.

Based on the first molding manner, the rubber sleeve 032 can be sleeved on the middle section of the first rotating shaft 031 and is attached to the outer surface of the roller 010. For example, the length of the rubber sleeve 032 can be 5 cm, and the length of the rubber sleeve 032 is not limited in the embodiment of the present application.

Based on the second molding manner, the first and second plastic sheaths 032a and 032b can be respectively sleeved on the outer surface of the first rotating shaft 031, and the first and second plastic sheaths 032a and 032b are attached to the outer surface of the roller 010.

In order to reduce the installation difficulty of the rubber sleeve 032, the first rubber sleeve 032a and the second rubber sleeve 032b can be respectively sleeved on two ends of the first rotating shaft 031. For example, the lengths of the first and second plastic sheaths 032a and 032b are 2 cm, and the lengths of the first and second plastic sheaths 032a and 032b are not limited in this embodiment.

Further, one end of the first rotating shaft 031 extends out of a section of the first rubber sleeve 032a, and can be rotatably disposed on the first mounting seat 041 through the first bearing 033. Similarly, the other end of the first rotating shaft 031 extends out of the section of the second rubber sleeve 032b, and can be rotatably disposed on the second mounting seat 042 through the second bearing 034.

Wherein, the first and second plastic sheaths 032a and 032b can be sleeved on the positioning grooves pre-arranged on the first rotating shaft 031, so as to improve the efficiency of installing the first and second plastic sheaths 032a and 032b for alignment and prevent the first and second plastic sheaths 032a and 032b from sliding along the first rotating shaft 031.

It should be noted that, in practical applications, the rubber sleeve 032 may be made of a flexible material, and the surface of the rubber sleeve 032 is arranged in a cylindrical shape with anti-slip patterns.

In another alternative embodiment, referring to fig. 2, the brush 020 may comprise: a brush 021, and a second rotating shaft 022.

Wherein, brush 021 can be the magic of cylinder colludes the brush, and the cover is established at the surface of second pivot 022, and this application embodiment does not do the restriction to brush 021.

Also, one end of the second rotating shaft 022 may be circumferentially and fixedly connected with a second gear 052, and the second gear 052 is rotatably disposed on the first mounting seat 041 through a third bearing 023.

In addition, referring to fig. 5A, a strip-shaped positioning groove 0221 parallel to the axis may be disposed on the second rotating shaft 022. Referring to fig. 5B, the surface of the inner hole of the brush 021 may be provided with a long positioning protrusion 0211 parallel to the axis, and the long positioning protrusion 0211 matches with the long positioning groove 0221 in shape.

Specifically, the elongated positioning protrusion 0211 and the elongated positioning groove 0221 are used to circumferentially fix the brush 021 on the second rotating shaft 022, and the brush 021 and the second rotating shaft 022 are detachably connected, so that the brush 020 can be used as a replaceable structure.

For example, when the brush 020 is replaced, the mounting unit 0426 may be pulled out from the catching groove, the second rotating shaft 022 may be separated from the second connecting portion 0222 of the second gear 052, and the brush 021 may be removed.

It should be noted that the effective adsorption length of the brush 020 can be greater than or equal to the effective cleaning length of the roller 010, and the effective adsorption length of the brush 020 is not limited in the embodiment of the application.

In yet another alternative embodiment, referring to fig. 6A, a first hole 051a may be opened at the center of the first gear 051, and the first hole 051a may be in a regular pattern; referring to fig. 5C, a second hole 052a may be opened at the center of the second gear 052, and the second hole 052a may also be in a regular pattern.

Correspondingly, referring to fig. 5A, the end of the second rotating shaft 022 is provided with a second connecting portion 0222 in advance; referring to fig. 6B, the end of the first rotating shaft 031 may be provided with a first coupling portion 0311 in advance. Wherein, referring to fig. 5A and 5C, the second connecting portion 0222 is matched with the second hole 052a in shape and size; referring to fig. 6A and 6B, the first coupling portion 0311 is matched in shape and size to the first hole 051 a.

Specifically, the first rotating shaft 031 may be circumferentially and fixedly connected with the first hole 051a of the first gear 051 through the first connecting portion 0311, and rotate through the first bearing 033 located in the first mounting seat 041, so that energy loss may be reduced, and transmission efficiency may be improved.

Similarly, the second rotating shaft 022 can be circumferentially and fixedly connected to the second hole 052a of the second gear 052 through the second connecting portion 0222, and can rotate through the third bearing 023 located in the first mounting seat 041, so that energy loss can be reduced, and transmission efficiency can be improved.

It should be noted that, in practical application, the figure that first hole 051a corresponds is different with the figure that second hole 052a corresponds, and is corresponding, and first pivot 031 and second pivot 022 can correspond the connecting portion that set up different shapes to when satisfying axial fixity, can conveniently distinguish first pivot 031 and second pivot 022 fast, improve brush 020 and transmission roller 030's installation effectiveness.

It should be noted that the size of the second gear 052 is larger than the size of the first gear 051, so that the rotating speed of the brush 020 is larger than that of the transmission roller 030 and the cleaning effect is ensured through the first gear 051 and the second gear 052 with different sizes in the process of driving the brush 020 to rotate by the transmission roller 030.

Specifically, the gear ratio between the first gear 051 and the second gear 052 may range from 1.5 to 1.5, and preferably, the gear ratio between the first gear 051 and the second gear 052 may be 1:2.1, the embodiment of the present application does not limit the gear ratio between the first gear 051 and the second gear 052.

In addition, the material of the first gear 051 and the second gear 052 may be Polyoxymethylene Oxide (POM), and of course, other materials may be selected to produce the first gear 051 and the second gear 052, and the material of the first gear 051 and the second gear 052 is not limited in the embodiment of the present application.

In yet another alternative embodiment, referring to fig. 3, the first mounting seat 041 may be provided with two bearing holes, a first bearing hole 0411 and a third bearing hole 0412, respectively, the first gear 051 is rotatably disposed in the first bearing hole 0411, and the second gear 052 is rotatably disposed in the third bearing hole 0412, referring to fig. 4, one end of the second rotating shaft 022 is engaged with the second gear 052, so as to achieve synchronous rotation of the brush 020 and the second gear 052.

Further, referring to fig. 3, the first mounting seat 041 may further include: a gear cavity 0413 and a gear cover plate 0414.

The gear cavity 0413 is used for accommodating the first gear 051 and the second gear 052, and the gear cover 0414 covers the gear cavity 0413 and is fixed on the gear cavity 0413 by a screw assembly. Moreover, the gear cover plate 0414 is used for enclosing the first gear 051 and the second gear 052 in the gear cavity 0413, so as to prevent the gears from colliding with the outside and improve the stability of the structure.

In yet another alternative embodiment, referring to fig. 7, the brush cleaning assembly may further comprise: second mount 042.

Wherein the first and second mounting seats 041 and 042 may be flush with both ends of the drum 010, respectively. Moreover, one end of the brush 020, which is far away from the first mounting seat 041, and one end of the transmission roller 030, which is far away from the first mounting seat 041, are rotatably connected to the second mounting seat 042.

Correspondingly, a first rotating shaft 031 of the driving roller 030 can be rotatably disposed on the second mounting seat 042 through a second bearing 034 of the driving roller 030. The brush 020 can be rotatably disposed on the second mount 042 through a fourth bearing 024. Referring to fig. 8, the end of the second shaft 022 and the fourth bearing 024 may be fixed by a screw 026. A screw 026 is positioned at an end of the second shaft 022 for fixing the fourth bearing 024 to prevent the second shaft 022 from sliding in an axial direction.

The screw 026 can be a stainless steel mechanical tooth screw, and the material of the screw 026 is not limited in the embodiment of the application.

Further, referring to fig. 7, the second mounting seat 042 may further include: a mounting body 0421 and a mounting unit 0426 snapped on the mounting body 0421.

The mounting unit 0426 is composed of a disc-shaped base body and elastic protrusions, two elastic protrusions are arranged at any position in the circumferential direction of the base body, and bosses for positioning and clamping are arranged at the end parts of the two elastic protrusions.

Correspondingly, a clamping groove can be formed in the mounting main body 0421, the clamping groove comprises two coaxially-arranged through holes which are respectively a first through hole 0422 and a second through hole 0423, the aperture of the second through hole 0423 is larger than that of the first through hole 0422, and a step surface is arranged between the first through hole 0422 and the second through hole 0423.

Referring to fig. 7, the end surface profile of the clamping groove may be a half arc shape, so that when the mounting unit 0426 is clamped with the mounting body 0421, the half arc-shaped end surface profile of the clamping groove may match with the disc-shaped substrate of the mounting unit 0426, thereby realizing the clamping of the mounting unit 0426 with the mounting body 0421.

Specifically, in the installation process, the two elastic protrusions on the installation unit 0426 can be pressed first, and then the two elastic protrusions pass through the first through hole 0422 until the bosses at the ends of the two elastic protrusions are clamped into the second through hole 0423, and the bosses and the step surface are arranged in an attaching manner, at this time, the installation unit 0426 is completely clamped in the second installation seat 042.

It should be noted that the mounting main body 0421 may be provided with a second bearing hole 0425 for fixing the second bearing 034; similarly, a fourth bearing hole 0426a may be provided on the mounting unit 0426 to fix the fourth bearing 024.

Further, referring to fig. 7, a hollow groove 0424 may be formed in one side of the mounting main body 0421 located in the second bearing hole 0425, and a plurality of reinforcing ribs are uniformly distributed in the hollow groove 0424, so that structural strength is met, deformation in a generating process can be reduced, and production yield of the mounting main body 0421 can be guaranteed.

Further, referring to fig. 3, the second mount 042 may further include: the transmission roller bearing pressing plate 025 is embedded in the hollow groove 0424 of the second mounting seat 042 through a screw, and is used for fixing a bearing in the second mounting seat 042 so as to improve the stability of the second mounting seat 042.

In yet another alternative embodiment, the brush cleaning assembly may further comprise: a base 060 is attached.

Wherein, the connecting base 060 can be connected with the first installation seat 041 and the second installation seat 042 in various ways.

The first connection mode is as follows: the connection base 060 is used for connecting the first installation seat 041 and the second installation seat 042 by several screws for installation.

The second connection mode is as follows: the connecting base 060, the first mounting seat 041 and the second mounting seat 042 can be processed by adopting an integral injection molding process, so that the connection among the connecting base 060, the first mounting seat 041 and the second mounting seat 042 can be reduced, and the matching precision is improved.

Of course, the connection base 060 may also be connected to the first mounting seat 041 and the second mounting seat 042 by other methods, and the connection manner of the connection base 060 to the first mounting seat 041 and the second mounting seat 042 is not limited in the present invention.

To sum up, the application provides a brush clearance subassembly, this brush clearance subassembly includes: the novel electric hair brush comprises a roller, a hair brush, a transmission rolling shaft, a first mounting seat, a first gear and a second gear, wherein the roller is in contact with the transmission rolling shaft, the first gear and the second gear are both rotatably arranged on the first mounting seat, the hair brush is rotatably and circumferentially fixedly connected with the first gear, and the transmission rolling shaft is rotatably and circumferentially fixedly connected with the second gear. The application provides a brush clearance subassembly, through setting up first gear, second gear and transmission roller bearing, with the transmission roller bearing that the cylinder contacted, can follow the cylinder rotation by frictional force when the cylinder rotates, and rotate through first gear and second gear drive brush, need not to set up the motor that is used for driving the brush, can reduce the shared structure space of brush clearance subassembly, thereby can reduce the volume of the robot of sweeping the floor, and then can improve the convenience of accomodating.

And the diameter of the roller is larger than that of the hairbrush, the diameter of the hairbrush is larger than that of the transmission rolling shaft, so that the cleaning area of the roller in the cleaning process is ensured, the space occupied by the transmission rolling shaft is reduced, and the roller is effectively cleaned through the hairbrush.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, which is intended to cover all equivalent changes and modifications made within the scope of the present invention.

Claims (10)

1. A brush cleaning assembly, comprising: the device comprises a roller, a brush, a transmission rolling shaft, a first mounting seat, a first gear and a second gear, wherein the first gear is meshed with the second gear, the diameter of the roller is larger than that of the brush, and the diameter of the brush is larger than that of the transmission rolling shaft;

the roller is in contact with the transmission rolling shaft, and the transmission rolling shaft rotates along with the roller;

the first gear and the second gear are both rotatably arranged on the first mounting seat, the hairbrush is rotatably and circumferentially fixedly connected with the first gear, and the transmission rolling shaft is rotatably and circumferentially fixedly connected with the second gear;

the transmission rolling shaft drives the hairbrush to rotate through the first gear and the second gear, the rotating direction of the hairbrush is the same as that of the roller, and the hairbrush is used for cleaning the roller.

2. The brush cleaning assembly according to claim 1, wherein the first gear has a first hole, and the driving roller is circumferentially and fixedly connected to the first gear through a first connecting portion pre-formed at an end thereof in combination with the first hole;

the second gear is provided with a second hole, and the brush is combined with the second hole to be fixedly connected with the second gear in the circumferential direction through a second connecting part which is preset at the end part;

the pattern corresponding to the first hole is different from the pattern corresponding to the second hole.

3. The brush cleaning assembly of claim 1, wherein the driven roller comprises: the rubber sleeve is respectively sleeved at two ends of the first rotating shaft, and the rubber sleeve is attached to the outer surface of the roller.

4. A brush cleaning assembly according to any one of claims 1 to 3, wherein the second gear is of a larger size than the first gear.

5. A brush cleaning assembly according to claim 4, wherein the gear ratio between the first gear and the second gear may range from 1.5 to 1.5.

6. A brush cleaning assembly as claimed in any one of claims 1 to 3, further comprising: the first mounting seat and the second mounting seat are respectively flush with two ends of the roller;

the end of the brush far away from the first mounting seat and the end of the transmission rolling shaft far away from the first mounting seat are both connected with the second mounting seat in a rotating mode.

7. The brush cleaning assembly of claim 6, wherein the first mounting block comprises: a gear cavity and a gear cover plate;

the gear cavity is used for accommodating the first gear and the second gear, and the gear cover plate is used for enclosing the first gear and the second gear in the gear cavity.

8. The brush cleaning assembly of claim 6, wherein the second mount comprises: a mounting unit and a mounting body;

the bottom of the mounting unit is provided with an elastic bulge, the mounting main body is provided with a clamping groove, and the mounting unit is clamped in the clamping groove of the mounting unit through the elastic bulge;

the brush is characterized in that a through hole is formed in the first mounting seat, the first gear is rotatably arranged on the through hole, one end of the brush is connected with the first gear in a clamped mode, and one end of the brush, far away from the first mounting seat, is rotatably connected with the mounting unit.

9. The brush cleaning assembly of claim 8, wherein the catch slot comprises: a first via and a second via;

the second through hole is located below the first through hole, the aperture of the second through hole is larger than that of the first through hole, and the elastic bulge of the mounting unit penetrates through the first through hole and is clamped on a step surface between the first through hole and the second through hole.

10. A robot of sweeping floor, characterized in that, the robot of sweeping floor includes: a waste bin and a brush cleaning assembly according to any one of claims 1 to 9;

the garbage box is used for containing dust cleaned by the roller through the brush.

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