CN113229745B

CN113229745B - A ground brush assembly and dust catcher for dust catcher

Info

Publication number: CN113229745B
Application number: CN202110507754.6A
Authority: CN
Inventors: 程福萍; 林淼鑫; 邱智泓; 王永波; 单洋阳
Original assignee: Midea Group Co Ltd; Jiangsu Midea Cleaning Appliances Co Ltd
Current assignee: Midea Group Co Ltd; Jiangsu Midea Cleaning Appliances Co Ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2022-03-25
Anticipated expiration: 2041-05-10
Also published as: WO2022237260A1; CN113229745A

Abstract

The application discloses a dust catcher that is used for scrubbing brush assembly of dust catcher and has it for scrubbing brush assembly of dust catcher includes: the brush assembly comprises a rolling brush assembly and a driving mechanism, wherein the driving mechanism comprises a power source and a transmission assembly, the transmission assembly comprises a first driving wheel, a second driving wheel, a first driving piece and a second driving piece, and the first driving piece and the second driving piece are eccentrically arranged so that the brush bristles can selectively extend out of or retract into the sleeve; wherein the second drive wheel is equipped with first joint portion, and the second driving piece is equipped with second joint portion, and first joint portion just makes second drive wheel and second driving piece relatively fixed along circumference with the cooperation of second joint portion joint. The utility model provides a scrubbing brush assembly for dust catcher can solve the problem of the long and thin thing winding round brush body such as hair, fine rule effectively, and second drive wheel and the cooperation of second driving piece joint do benefit to the overall structure size that reduces the scrubbing brush assembly, can avoid producing the noise, and the part wearing and tearing are little among the transmission process, can not have the problem that produces the vibration.

Description

A ground brush assembly and dust catcher for dust catcher

Technical Field

The application relates to the technical field of household appliance manufacturing, in particular to a floor brush assembly for a dust collector and the dust collector with the floor brush assembly.

Background

At present, the dust collector is gradually widely used, thereby greatly facilitating the family cleaning work and reducing the housework intensity of people. But its driving structure is liable to wear and noise at high-speed rotation. In the related art, a spline is used to connect two pulleys, which are easily worn and noisy at high-speed rotation, and a metal shaft of a pulley-connected rolling brush is a long cantilever structure, which is poor in stability and easy to vibrate in work.

Disclosure of Invention

The present application is directed to solving at least one of the problems in the prior art. Therefore, an object of the present application is to provide a floor brush assembly for a vacuum cleaner, which can effectively solve the problem that hair, thin lines and other slender objects are wound on a rolling brush body, and the two driving wheels and the two driving parts are in transmission fit, so as to improve the transmission efficiency.

According to the embodiment of the application, the floor brush assembly for the dust collector comprises: the rolling brush assembly comprises a sleeve and a rolling brush body, the rolling brush body is rotatably arranged in the sleeve, and brush bristles are arranged on the rolling brush body; the driving mechanism comprises a power source and a transmission assembly, the transmission assembly comprises a first driving wheel, a second driving wheel, a first driving piece and a second driving piece, the first driving wheel and the second driving wheel are connected with the power source, the power at the first driving wheel drives the rolling brush body to rotate through the first driving piece, the power at the second driving wheel drives the sleeve to rotate through the second driving piece, and the first driving piece and the second driving piece are eccentrically arranged so that the bristles selectively extend out of or retract into the sleeve; wherein the second drive wheel is equipped with first joint portion, the second driving piece is equipped with second joint portion, first joint portion with the cooperation of second joint portion joint and messenger the second drive wheel with the second driving piece is along circumference relatively fixed.

According to the scrubbing brush assembly for dust catcher of this application embodiment, through with first driving piece and second driving piece eccentric settings so that the brush hair selectively stretches out or retracts from the sleeve in, can solve the problem of hair, slender thing winding round brush body such as fine rule effectively, and two drive wheels and two driving piece transmission cooperations, can improve transmission efficiency, and simultaneously, second drive wheel and second driving piece joint cooperation, do benefit to the overall structure size who reduces the scrubbing brush assembly, can avoid producing the noise, and the part wearing and tearing are little among the transmission process, there can not be the problem that produces the vibration, thereby improve the wholeness ability of scrubbing brush assembly.

According to some embodiments of the present disclosure, the drive mechanism further comprises a drive housing and a drive shaft; the transmission shaft is rotatably arranged on the driving shell, and the first driving wheel is arranged on the transmission shaft and is circumferentially and relatively fixed with the transmission shaft; the second driving piece is rotatably sleeved outside the transmission shaft, the second driving wheel is rotatably supported on the second driving piece, and the transmission shaft penetrates through the second driving piece and extends to the outside of the driving shell so as to be fixedly connected with the first driving piece along the circumferential direction.

According to some embodiments of this application's scrubbing brush assembly for dust catcher, the second driving piece includes transmission portion and support connecting portion, the transmission shaft runs through in proper order support connecting portion with transmission portion, support connecting portion rotationally support in drive shell, transmission portion with the first end of support connecting portion link to each other just the transmission position is in drive shell outer in order with the sleeve links to each other, the second end of support connecting portion extends drive shell in and be equipped with second joint portion.

According to some embodiments of the application a scrubbing brush assembly for dust catcher, second joint portion is including locating support the joint cantilever of the second end of connecting portion, first joint portion is including locating the joint boss of the internal perisporium of second drive wheel, the second end of supporting connecting portion extends in the second drive wheel, just the free end of joint cantilever be equipped with joint boss joint complex buckle.

According to some embodiments of the application a scrubbing brush assembly for dust catcher, the joint cantilever is a plurality of, and is a plurality of the joint cantilever is followed the circumference of supporting connection portion is spaced apart to be set up, the joint boss is a plurality of, and is a plurality of the joint boss is with a plurality of the joint cantilever one-to-one.

According to some embodiments of the application, the ground brush assembly for the dust collector is provided with a weakening groove between any two adjacent clamping cantilevers in the circumferential direction of the supporting connection part.

A floor brush assembly for a vacuum cleaner according to some embodiments of the present application, further comprising: the bearing supporting block is rotatably supported in the second driving piece and provided with an eccentric hole, the first end of the transmission shaft is rotatably supported in the eccentric hole, and the part of the transmission shaft extending out of the eccentric hole is connected with the first driving piece.

According to some embodiments of the present disclosure, the driving case includes a motor bracket and a driving side end cap, the motor bracket is connected to the power source, and the driving side end cap is detachably mounted to the motor bracket; the second end of the transmission shaft is supported on the driving side end cover, and the second driving piece is rotatably supported on the motor bracket.

According to some embodiments of the present disclosure, the side of the first driving member facing the roller brush body is provided with a first driving tooth, the side of the roller brush body facing the first driving member is provided with a first driven tooth, and the first driving tooth is engaged with the first driven tooth; and a second driving tooth is arranged on one side, facing the sleeve, of the second driving piece, a second driven tooth is arranged on one side, facing the second driving piece, of the sleeve, and the second driving tooth is meshed with the second driven tooth.

The application also provides a dust collector.

According to the dust collector of the embodiment of the application, the floor brush assembly for the dust collector is arranged in any one of the embodiments.

Compared with the prior art, the dust collector and the floor brush assembly have the same advantages, and the description is omitted.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a structure of a vacuum cleaner according to an embodiment of the present invention;

FIG. 2 is a side view of a vacuum cleaner according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a vacuum cleaner at a floor brush assembly according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a floor brush assembly according to an embodiment of the present disclosure;

FIG. 5 is an exploded view of a drive mechanism of a floor brush assembly according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a second drive member of the floor brush assembly according to an embodiment of the present disclosure;

FIG. 7 is a schematic view of a second drive wheel of the floor brush assembly according to an embodiment of the present invention.

Reference numerals:

the vacuum cleaner 1000 is provided with a vacuum cleaner,

the floor brush assembly 100 is provided with a brush body,

the rolling brush component 1, the rolling brush body 11, the brush bristles 112, the brush body structure 113, the driven shaft 114, the sleeve 12, the avoiding opening 122,

the driving mechanism 2, the transmission assembly 21, the first driving wheel 22, the first belt 221, the first driving piece 23, the first driving tooth 231, the second driving piece 24, the transmission part 241, the support connecting part 242, the second driving tooth 243, the second clamping part 244, the clamping cantilever 244a, the buckle 244b, the transmission shaft 25, the second driving wheel 26, the second belt 261, the first clamping part 262, the bearing support block 27, the eccentric hole 271, the driving shell 28, the motor support 281, the driving side end cover 282, the power source 29, the driving wheel 291, the spacing assembly 291a, the bearing 3, the driven side end cover 4, the weakening groove 5,

a housing 1001, a roller brush upper cover 1002, and a bottom plate 1003.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

Referring to fig. 1-7, a floor brush assembly 100 for a vacuum cleaner according to an embodiment of the present disclosure is described, wherein the floor brush assembly 100 can effectively solve the problem that the hair, thin line, and other slender objects are wound around the rolling brush body 11 by disposing the first driving member 23 and the second driving member 24 eccentrically to allow the bristles 112 to selectively extend or retract from the sleeve 12, and the two driving wheels and the two driving members are in driving engagement, thereby improving the driving efficiency, and meanwhile, the second driving wheel 26 and the second driving member 24 are in snap engagement, thereby facilitating to reduce the overall structural size of the floor brush assembly 100, avoiding the generation of noise, and reducing the wear of the components during the driving process, avoiding the problem of vibration, thereby improving the overall performance of the floor brush assembly 100.

It should be noted that the floor brush assembly 100 of the present invention can be integrally installed in the housing 1001 of the vacuum cleaner 1000, as shown in fig. 1, the overall structure of the vacuum cleaner 1000 is schematically illustrated, the floor brush assembly 100 is installed at the bottom of the vacuum cleaner 1000, and as shown in fig. 2, the floor brush assembly 100 is located at the front bottom of the vacuum cleaner 1000, and as shown in fig. 2, the front bottom of the housing 1001 of the vacuum cleaner 1000 is open, so as to form a cleaning opening in the front bottom region of the housing 1001, the bristles 112 of the roller brush assembly 1 of the floor brush assembly 100 can extend from the cleaning opening, and the bristles 112 can perform cleaning treatment on a surface to be cleaned, for example, the surface to be cleaned can be the ground, so that the bristles 112 can sweep up sundries, hair and the like on the ground, and cooperate with the vacuum cleaner assembly of the vacuum cleaner 1000 to absorb and receive the lifted sundries and hair, thereby achieving the cleaning effect of the ground.

And when in specific installation, as shown in fig. 2, the top of the front part of the dust collector 1000 is provided with a rolling brush upper cover 1002, the bottom of the front part is provided with a bottom plate 1003, the rolling brush upper cover 1002 and the bottom plate 1003 are spaced apart in the up-down direction to define an installation space therebetween, a cleaning opening is formed on the bottom plate 1003, the floor brush assembly 100 is installed in the installation space, and the brush bristles 112 penetrate through the cleaning opening on the bottom plate 1003 to clean the floor.

The floor brush assembly 100 for a vacuum cleaner according to an embodiment of the present application includes: a rolling brush component 1 and a driving mechanism 2. The driving mechanism 2 and the rolling brush assembly 1 are both installed in the shell 1001, the driving mechanism 2 is fixedly connected with the shell 1001, the rolling brush assembly 1 is rotatably supported in the shell 1001 to be connected with an output end of the driving mechanism 2, so that the driving force at the driving mechanism 2 can be output to the rolling brush assembly 1, the driving mechanism 2 can drive the rolling brush assembly 1 to rotate relative to the shell 1001, and therefore in the rotating process of the rolling brush assembly 1, the bristles 112 of the rolling brush assembly 1 extend out of a cleaning opening to clean a surface to be cleaned.

As shown in fig. 3, the rolling brush assembly 1 includes a sleeve 12 and a rolling brush body 11, wherein a left end of the sleeve 12 is rotatably supported in a housing 1001 of the vacuum cleaner 1000, and a right end (the right end shown in fig. 3 is used for convenience of description only, and is not limited to actual installation) of the sleeve 12 is in installation fit with an output end of the driving mechanism 2, so that the driving mechanism 2 can drive the sleeve 12 to rotate relative to the housing 1001 from the right end of the sleeve 12. Wherein, the sleeve 12 is formed with an internal installation space, the rolling brush body 11 is rotatably installed in the sleeve 12, and as shown in fig. 3, the rolling brush body 11 includes an external brush body structure 113 and a driven shaft 114 integrated in the brush body structure 113, and the brush body structure 113 and the driven shaft 114 are integrated into a whole to rotate together relative to the sleeve 12, wherein, as shown in fig. 3, the left end of the driven shaft 114 is rotatably supported at the left end position of the sleeve 12 through a bearing 3, a driven side end cap 4 is provided at the left end of the sleeve 12, the left end of the driven shaft 114 is supported at the driven side end cap 4 through the bearing 3, and the right end of the brush body structure 113 is in power connection with the driving mechanism 2, so that the driving mechanism 2 can drive the rolling brush body 11 to rotate.

As shown in fig. 4, the rolling brush body 11 is provided with bristles 112, the bristles 112 are disposed on the outer peripheral wall of the rolling brush body 11, the bristles 112 protrude and extend from the outer peripheral wall of the rolling brush body 11 in a radial direction, the outer peripheral wall of the sleeve 12 is provided with an avoiding opening 122, and the avoiding opening 122 penetrates through the outer peripheral wall of the sleeve 12 in the radial direction of the sleeve 12. Wherein, during the rotation of the rolling brush body 11 in the sleeve 12, the bristles 112 can protrude from the avoiding opening 122 for cleaning the cleaning surface.

The driving mechanism 2 comprises a power source 29 and a transmission assembly 21, the transmission assembly 21 comprises a first driving wheel 22, a second driving wheel 26, a first driving member 23 and a second driving member 24, the first driving wheel 22 and the second driving wheel 26 are both connected with the power source 29, wherein the power source 29 can be set as driving motors, the first driving wheel 22 and the second driving wheel 26 can be set as belt pulleys, a driving wheel 291 can be set on a motor shaft of the driving motors, a rotation axis of the first driving wheel 22 and a rotation axis of the second driving wheel 26 are both parallel to a rotation axis of the driving wheel 291, and the first driving wheel 22 and the second driving wheel 26 are respectively opposite to the driving wheel 291 in radial direction, so that the driving wheel 291 is in transmission fit with the first driving wheel 22 and the second driving wheel 26 through belts, so that the driving force output by the driving motors can be transmitted to the first driving wheel 22 and the second driving wheel 26 through the belts at the driving wheel 291, and is dispensed through the first and

second drive wheels

22, 26 toward the first and

second drive members

23, 24.

The rolling brush body 11 is driven by the power at the first driving wheel 22 through the first driving piece 23, the sleeve 12 is driven by the power at the second driving wheel 26 through the second driving piece 24, that is, the first driving wheel 22 is connected with the first driving piece 23 for driving the rolling brush body 11 to rotate, and the second driving wheel 26 is connected with the second driving piece 24 for driving the sleeve 12 to rotate, wherein, as shown in fig. 5, the first driving piece 23 can be configured as a circular block, so that the first driving piece 23 has its own rotation axis and can rotate around its own rotation axis, and the second driving piece 24 can also be configured as a circular block, so that the second driving piece 24 has its own rotation axis and can also rotate around its own rotation axis. As shown in fig. 3, the first driving part 23 is directly contacted and matched with the right end of the rolling brush body 11, the first driving part 23 can drive the rolling brush body 11 to rotate, the second driving part 24 is directly contacted and matched with the right end of the sleeve 12, and the second driving part 24 can drive the sleeve 12 to rotate. That is, a portion of the driving force from the driving motor may be output to the first driving member 23 at the first driving wheel 22 to rotate the rolling brush body 11 in the sleeve 12, and another portion of the driving force from the driving motor may be output to the second driving member 24 through the second driving wheel 26 to rotate the sleeve 12 relative to the housing 1001.

The first driving member 23 is eccentrically disposed from the second driving member 24 to selectively extend or retract the brush staples 112 from the socket 12, that is, the axis of the roll brush body 11 is spaced apart from the axis of the socket 12 when the roll brush body 11 is rotated by the first driving member 23 and when the socket 12 is rotated by the second driving member 24. It should be noted that, as shown in fig. 3, the rotation axis of the roller brush body 11 is lower than the rotation axis of the sleeve 12, and the bristles 112 are disposed at a plurality of different positions on the outer peripheral wall of the roller brush body 11, and a plurality of different escape openings 122 are disposed on the outer peripheral wall of the sleeve 12, so that when the bristles 112 on the outer peripheral wall of the roller brush body 11 and the escape openings 122 of the sleeve 12 are both located in the lower region, the bristles 112 at the positions protrude downward from the escape openings 122 for cleaning the surface to be cleaned, and when the bristles 112 on the outer peripheral wall of the roller brush body 11 and the escape openings 122 of the sleeve 12 are both located in the upper region, the bristles 112 at the positions are retracted from the escape openings 122 into the sleeve 12.

Therefore, the matching number of the brush bristles 112 and the avoiding opening 122 can be increased, so that the brush bristles 112 always extend out of the avoiding opening 122 at the bottom of the floor brush assembly 100, the floor is continuously cleaned, and the cleanliness of the dust collector 1000 is ensured.

It can be understood that when the brush bristles 112 extend out of the sleeve 12, the ground can be cleaned, and when the brush bristles 112 retract from the sleeve 12, the sundries at the brush bristles 112 can be separated from the brush bristles 112 under the action of avoiding the hole wall of the hole 122, so that the situation that the normal rotation of the rolling brush body 11 is influenced by the sundries wound around the brush bristles 112 is avoided, the cleaning difficulty of the brush bristles 112 can be reduced, manual cleaning by a user is not needed, the practicability is improved, and the problem that long and thin objects such as hairs and thin lines are wound around the rolling brush body 11 is solved.

Wherein, be equipped with first joint portion 262 on second drive wheel 26's radial inner wall, be equipped with second joint portion 244 towards the one end that is close to second drive wheel 26 at second driving piece 24, when linking to each other second drive wheel 26 with second driving piece 24, second joint portion 244 on the second driving piece 24 can cooperate with the first joint portion 262 joint of second drive wheel 26, thereby realize through first joint portion 262 and the cooperation of second joint portion 244 joint so that second drive wheel 26 and second driving piece 24 are along circumference relatively fixed, be convenient for strengthen second drive wheel 26 and second driving piece 24's stability of being connected, and do not occupy extra installation space, be convenient for reduce drive structure's overall structure size.

Therefore, the two belt pulleys are respectively in transmission fit with the two driving parts, namely, the transmission structure between the two driving wheels and the two driving parts in the ground brush assembly 100 is not designed by adopting the traditional gear transmission structure, so that the assembly precision requirement between the two belt pulleys and the two driving parts can be reduced, the assembly difficulty is reduced, the problem of overlarge abrasion caused by gear transmission is solved, the service life of the driving mechanism 2 is prolonged favorably, and the reliability and the safety of the ground brush assembly 100 are greatly improved. And adopt the joint complex mode between second drive wheel 26 and the second driving piece 24, can solve the big, the unable problem of overcoming of easy wearing and tearing of noise that the sliding friction leads to between the customization gear profile, and the structure size is littleer for the structure of scrubbing brush assembly 100 is compacter.

According to the floor brush assembly 100 for the dust collector of the embodiment of the application, the first driving part 23 and the second driving part 24 are eccentrically arranged to enable the brush bristles 112 to selectively extend out or retract from the sleeve 12, the problem that the hair, thin lines and other slender objects are wound on the rolling brush body 11 can be effectively solved, the two driving wheels and the two driving parts are in transmission fit, the transmission efficiency can be improved, meanwhile, the second driving wheel 26 and the second driving part 24 are in clamping fit, the overall structural size of the floor brush assembly 100 can be favorably reduced, the noise can be avoided, the abrasion of parts in the transmission process is small, the problem of vibration generation can be avoided, and the overall performance of the floor brush assembly 100 can be improved.

In some embodiments, the driving mechanism 2 further includes a driving shell 28 and a transmission shaft 25, the transmission shaft 25 is rotatably installed in the driving shell 28, the first driving wheel 22 is installed in the transmission shaft 25 and is circumferentially fixed relative to the transmission shaft 25, that is, an installation space is formed inside the driving shell 28, so as to install the transmission shaft 25 in the driving shell 28, thereby protecting the transmission shaft 25 and other structures inside the driving shell 28 by the driving shell 28, wherein the first driving wheel 22 is connected to the transmission shaft 25, and the first driving wheel 22 is circumferentially fixed relative to the transmission shaft 25 in the transmission shaft 25, which is beneficial to enhance the connection stability between the first driving wheel 22 and the transmission shaft 25, prevent the first driving wheel 22 and the transmission shaft 25 from rotating, thereby facilitating the transmission shaft 25 to drive the first driving wheel 22 to drive the roller brush 11 to rotate.

The second driving piece 24 is rotatably supported on the driving shell 28, so that the second driving piece 24 is supported by the driving shell 28, and the second driving wheel 26 is rotatably sleeved on the transmission shaft 25, so that the second driving wheel 26 and the first driving wheel 22 are jointly installed on the transmission shaft 25 to realize coaxial arrangement, the integration level of the transmission assembly 21 is improved, and the second driving wheel 26 can better drive the second driving piece 24 to drive the sleeve 12 to rotate.

The transmission shaft 25 penetrates through the second driving member 24 and extends out of the driving shell 28 to be fixedly connected with the first driving member 23 along the circumferential direction. That is, the end of the transmission shaft 25 extending out of the driving shell 28 penetrates through the second driving member 24 and is connected with the first driving member 23, and the two are relatively fixed in the circumferential direction of the transmission shaft 25, it can be understood that the first belt 221 wheel, the transmission shaft 25, the first driving member 23 and the rolling brush body 11 are in power connection, and the second belt 261 wheel, the second driving member 24 and the sleeve 12 are in power connection, so that the rolling brush body 11 and the sleeve 12 are respectively rotated by the first driving member 23 and the second driving member 24, thereby realizing that the bristles 112 can effectively extend out and retract from the sleeve 12 in the operation process of the floor brush assembly 100, realizing the cleaning of the ground and the removal of slender objects on the bristles 112, improving the rationality of the structural design, and improving the practicability of the floor brush assembly 100.

In some embodiments, the second driving member 24 includes a supporting connection portion 242 and a transmission portion 241, wherein a radial dimension of the transmission portion 241 is greater than a radial dimension of the supporting connection portion 242, and a middle portion of the transmission portion 241 is open toward the roller brush body 11 and forms a middle installation space, so that the transmission shaft 25 sequentially penetrates through the supporting connection portion 242 and the transmission portion 241, the supporting connection portion 242 is rotatably supported on the driving shell 28, the transmission portion 241 is connected to a first end (a left end as shown in fig. 5) of the supporting connection portion 242, the transmission portion 241 is located outside the driving shell 28 to be connected to the sleeve 12, and a second end of the supporting connection portion 242 extends into the driving shell 28 and is provided with a second clamping portion 244. That is to say, when second driving piece 24 and sleeve 12 cooperation installation, transmission portion 241 just links to each other with sleeve 12 outside drive shell 28, locate second joint portion 244 of the second end (the right-hand member shown in fig. 5) of support connecting portion 242 and extend to drive shell 28 in order to cooperate with the joint of the first joint portion 262 of locating on second drive wheel 26, and the internal perisporium normal running fit of support connecting portion 242 and drive shell 28, thereby be convenient for second drive wheel 26 drive second driving piece 24 rotates in order to drive sleeve 12, and be convenient for drive shell 28 plays the effect of support connecting portion 242, strengthen second driving piece 24's stability.

In some embodiments, as shown in fig. 6, the second latch 244 includes a latch cantilever 244a and a latch 244b, the latch cantilever 244a and the latch 244b can be configured as an integral structure, so as to reduce the production difficulty, the latch cantilever 244a is disposed at the second end of the support connection portion 242, as shown in fig. 6, the latch cantilever 244a is disposed at the right end of the support connection portion 242 and extends in a direction away from the support connection portion 242, that is, the latch cantilever 244a extends axially in a direction toward the second driving wheel 26, and the latch 244b is disposed at the free end of the latch cantilever 244a and protrudes radially outward. It should be noted that, the radial inside of the second clamping portion 244 is formed with an installation space, so that the transmission shaft 25 penetrates through the second clamping portion 244, and the second clamping portion 244 can elastically deform toward the installation space when receiving a radial inward pressure.

As shown in fig. 7, the first clamping portion 262 includes a clamping boss, the clamping boss is disposed on the inner peripheral wall of the second driving wheel 26, and the clamping boss protrudes inward along the radial direction, so that an extra installation space is not occupied, and the overall structure size of the driving structure is convenient to reduce. Like this, when second driving piece 24 and second drive wheel 26 joint cooperation, transmission shaft 25 passes second driving piece 24 and second drive wheel 26, and locate second joint portion 244 of second driving piece 24 and extend to in the second drive wheel 26, at this moment, buckle 244b of locating the free end of second joint portion 244 offsets with the internal perisporium of second drive wheel 26, thereby make joint cantilever 244a along radial inward elastic deformation, after buckle 244b passes through, joint cantilever 244a reverts initial position, thereby buckle 244b of locating the free end of joint cantilever 244a realizes the joint cooperation with the joint boss, thereby do benefit to and reduce the overall structure size of scrubbing brush assembly 100, can avoid taking place wearing and tearing and producing the noise, and the part wearing and tearing are little in the transmission process, can not have the problem that produces the vibration, thereby improve the wholeness ability of scrubbing brush assembly 100.

As shown in fig. 6, the number of the clamping cantilevers 244a may be multiple, that is, the number of the clamping cantilevers 244a may be flexibly designed according to actual installation requirements, and the multiple clamping cantilevers 244a are arranged along the circumferential direction of the support connection portion 242 at intervals, so that the multiple clamping cantilevers 244a arranged at intervals in the circumferential direction may not affect each other, that is, when a certain clamping cantilever 244a fails, other clamping cantilevers 244a may still be matched with the clamping bosses.

As shown in fig. 7, the joint boss also can be a plurality of, that is to say, the quantity of joint boss can carry out the flexible design according to the installation demand of reality, and a plurality of joint cantilevers 244a and a plurality of joint boss one-to-one, the quantity of joint cantilever 244a is the same with the quantity of joint boss promptly, so that every joint boss all can realize the joint cooperation with a joint boss that corresponds, thereby strengthen the joint stability of second driving piece 24 and second drive wheel 26, in order to in transmission process, avoid taking place wearing and tearing and producing the noise, reduce the part wearing and tearing, and can not have the problem that produces the vibration, thereby improve the wholeness ability of scrubbing brush assembly 100.

In some embodiments, as shown in fig. 6, a weakening groove 5 is provided between any two adjacent clamping cantilevers 244a in the circumferential direction of the support connection portion 242, that is, a weakening groove 5 is provided between each two adjacent clamping cantilevers 244a, so as to separate the clamping cantilevers 244a from each other, and ensure that the two adjacent clamping cantilevers 244a do not interfere with each other. That is to say, through the setting of weakening groove 5, so that there is not the relation of connection between each joint cantilever 244a in the circumference of supporting connecting portion 242, do benefit to the structural strength who weakens the card machine cantilever, do benefit to the bending deformation of realizing joint cantilever 244a in radial ascending, joint cantilever 244a is under the squeezing action that receives the internal perisporium of second drive wheel 26, can warp towards the installation space in radial inside, so that joint cantilever 244a can stretch to the one side that second drive wheel 26 deviates from transmission portion 241 smoothly, thereby do benefit to the quick joint that realizes supporting connecting portion 242 and second drive wheel 26, improve assembly efficiency.

In some embodiments, as shown in fig. 3, the floor brush assembly 100 for a vacuum cleaner further includes: a bearing support block 27. It should be noted that the bearing 3 is installed in the second driver 24, and the bearing support block 27 is rotatably supported in the second driver 24 through the bearing 3, so that the bearing support block 27 is rotatable in the second driver 24.

Wherein, the bearing support block 27 is provided with an eccentric hole 271, the first end of the transmission shaft 25 is rotatably supported in the eccentric hole 271, and the portion of the transmission shaft 25 extending out of the eccentric hole 271 is connected with the first driving member 23. It should be noted that the axis of the eccentric hole 271 is offset from the axis of the second driving member 24, wherein the bearing support block 27 may be a circular block, and the eccentric hole 271 is disposed at the lower region of the bearing support block 27, that is, the axis of the eccentric hole 271 is lower than the axis of the bearing support block 27, so that the transmission shaft 25 is rotatably supported at the lower position of the bearing support block 27 through the bearing 3.

It will be appreciated that the bearing support block 27 is mounted at a lower position within the second driving member 24, and the bearing support block 27 is simultaneously rotatably engaged with the second driving member 24 and the transmission shaft 25 via the bearing 3, so that, during actual operation, the second driving wheel 26 can drive the second driving member 24 to rotate relative to the bearing support block 27 to rotate the sleeve 12, and the first driving wheel 22 can drive the first driving member 23 to rotate relative to the bearing support block 27 via the transmission shaft 25 to rotate the rolling brush body 11, thereby achieving eccentric rotation of the rolling brush body 11 relative to the sleeve 12.

That is, in the present invention, the design of the bearing support block 27 enables the first driving member 23 and the second driving member 24 to be reasonably eccentrically installed, and simultaneously enables the first driving member 23 and the second driving member 24 to be reasonably eccentrically rotated, thereby facilitating the two driving wheels to respectively rotatably drive the rolling brush body 11 and the sleeve 12 in two different paths, so that the bristles 112 can effectively extend out and retract from the sleeve 12 during the operation of the floor brush assembly 100, thereby achieving the cleaning of the ground and the removal of slender objects on the bristles 112, improving the rationality of the structural design, and improving the practicability of the floor brush assembly 100.

In some embodiments, the driving housing 28 includes a motor support 281 and a driving side end cap 282, the motor support 281 is connected to the power source 29, and the driving side end cap 282 is detachably mounted on the motor support 281, as shown in fig. 4, three connecting columns are respectively disposed on an outer peripheral wall of the motor support 281 and an outer peripheral wall of the driving side end cap 282, and the connecting columns are provided with connecting holes penetrating along an axial direction of the transmission shaft 25, so that the connecting holes of the connecting columns can be penetrated through by three bolts in a circumferential direction of the motor support 281 to achieve connection and fixation of the motor support 281 and the driving side end cap 282, and the two can be flexibly detached and mounted.

As shown in the figure, the motor holder 281 and the driving side end cover 282 are installed and matched to form the driving housing 28 of the transmission assembly 21, and the motor holder 281 is fixedly connected to the housing of the driving motor, so that the transmission assembly 21 and the power source 29 are connected into an integral structure. The motor holder 281 and the drive side cover 282 are coupled to each other and define an installation space in which the first and

second drive wheels

22 and 26 are installed, so that the motor holder 281 and the drive side cover 282 protect the coupling structure between the first and

second drive wheels

22 and 26 and other components.

As shown in fig. 5, the motor support 281 is provided with a guide cavity opening toward the driving wheel 291 of the driving motor, and it should be noted that, as shown in fig. 5, a spacer 291a may be further disposed at the driving wheel 291, and the spacer 291a is disposed at a middle position of the driving wheel 291 in the axial direction of the driving wheel 291 to divide the driving wheel 291 into a left portion and a right portion, so that when the driving wheel 291 is sleeved with the first belt 221 and the second belt 261, interference between the two belts is prevented, and the first driving wheel 22 and the second driving wheel 26 are respectively driven by the first belt 221 and the second belt 261.

Specifically, one end of the second belt 261 engaged with the second driving wheel 26 is sleeved outside the second driving wheel 26, and the other end of the second belt 261 extends to the left portion of the driving wheel 291 through the guiding cavity to be sleeved outside the driving wheel 291, so that the second belt 261 can play a role in transmission between the second driving wheel 26 and the driving wheel 291.

Further, one end of the first belt 221 engaged with the first driving wheel 22 is sleeved outside the first driving wheel 22, and the other end of the first belt 221 extends to the right portion of the driving wheel 291 through the guiding cavity to be sleeved outside the driving wheel 291, so that the first belt 221 can transmit between the first driving wheel 22 and the driving wheel 291.

Therefore, through the transmission fit of the first driving wheel 22 and the second driving wheel 26 with the first belt 221 and the second belt 261 respectively, the problem of excessive abrasion in gear transmission can be avoided, the noise generated in transmission can be reduced, the service life of the driving mechanism 2 can be prolonged, and the reliability and the safety of the floor brush assembly 100 are greatly improved.

Wherein, one end of the transmission shaft 25 far away from the rolling brush body 11 is rotatably supported on the driving side end cap 282, and the second driving member 24 is rotatably supported on the motor holder 281. As shown in the figure, the right end of the transmission shaft 25 is rotatably supported on the driving side end cap 282 through a bearing 3, so that the transmission shaft 25 can rotate relative to the motor holder 281 and the driving side end cap 282, and a mounting through hole is provided on a side wall of the motor holder 281, the second driving member 24 is rotatably supported on the side wall of the motor holder 281 through the bearing 3, the bearing 3 is sleeved outside the supporting connection portion 242 of the second driving member 24, that is, an inner ring of the bearing 3 is fixedly connected with an outer peripheral wall of the supporting connection portion 242, and the outer peripheral wall of the bearing 3 is fixedly supported on an inner peripheral wall of the mounting through hole.

Therefore, the internal structure installation of the transmission assembly 21 can be realized, the structure is simple, and the installation is convenient. Wherein, all can be equipped with outer dogtooth at the periphery wall of first drive wheel 22 and second drive wheel 26, and can be equipped with interior dogtooth at the internal perisporium of belt to make interior dogtooth and outer dogtooth meshing transmission, thereby do benefit to the synergism between reinforcing belt and two drive wheels, avoid two drive wheels to appear the problem of skidding at driven in-process and belt, improve belt drive's reliability.

In some embodiments, as shown in fig. 5, a side of the first driving member 23 facing the brush body 11 is provided with first driving teeth 231, a side of the brush body 11 facing the first driving member 23 is provided with first driven teeth, the first driving teeth 231 are engaged with the first driven teeth, the first driving teeth 231 are formed at an outer circumferential wall of the first driving member 23 and protrude radially outward at the outer circumferential wall of the first driving member 23, the first driving teeth 231 extend to a side of the first driving member 23 facing the brush body 11, and as shown in fig. 5, the first driven teeth are formed at an inner circumferential wall of a right end of the brush body 11, and the first driven teeth protrude radially inward at the inner circumferential wall of the brush body 11, the first driven teeth extend to a side of the brush body 11 facing the first driving member 23, so that the first driven teeth and the first driving teeth 231 are fitted in an axial direction by insertion, and the first driven teeth and the first driving teeth 231 are fitted in an upper limit circumferential direction, so that the first driving member 23 can drive the first driven teeth and the rolling brush body 11 to rotate through the first driving teeth 231.

As shown in fig. 5, the side of the second driver 24 facing the socket 12 is provided with a second driving tooth 243, the side of the socket 12 facing the second driver 24 is provided with a second driven tooth, the second driving tooth 243 is engaged with the second driven tooth, as shown in fig. 5 and 6, the second driving teeth 243 are formed on the outer peripheral wall of the second driver 24 and project radially outwardly from the outer peripheral wall of the second driver 24, the second driving teeth 243 extend to the side of the second driver 24 facing the sleeve 12, the second driven teeth are formed on the inner peripheral wall of the right end of the sleeve 12, and the second driven teeth project radially inwardly of the inner peripheral wall of the sleeve 12, the second driven teeth extending to the side of the sleeve 12 facing the second driver 24, such that, the second driven tooth and the second driving tooth 243 can be matched in an axial direction in an inserting manner, the second driven tooth and the second driving tooth 243 are matched in a limiting manner in the circumferential direction, so that the second driving member 24 can drive the second driven tooth and the sleeve 12 to rotate through the second driving tooth 243.

Therefore, the power source 29 can well drive the rolling brush body 11 and the sleeve 12 to rotate through the transmission assembly 21 by the meshing transmission between the first driving piece 23 and the rolling brush body 11 and the second driving piece 24 and the sleeve 12 through the tooth structure, so that the cleaning effect on the floor is realized.

The present application also provides a vacuum cleaner 1000.

According to the dust collector 1000 of the embodiment of the present application, the floor brush assembly 100 for a dust collector of any of the above embodiments is provided, the first driving member 23 and the second driving member 24 are eccentrically arranged to selectively extend or retract the brush bristles 112 from the sleeve 12, so that the problem that the slender objects such as hairs and thin lines are wound around the rolling brush body 11 can be effectively solved, and the two driving wheels and the two driving members are in transmission fit, so that the transmission efficiency can be improved, meanwhile, the second driving wheel 26 and the second driving member 24 are in snap fit, so that the overall structural size of the floor brush assembly 100 can be reduced, the generation of noise can be avoided, the abrasion of the components in the transmission process is small, the problem of vibration can not occur, and the overall performance of the dust collector 1000 can be improved.

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

In the description of the present application, "the first feature" and "the second feature" may include one or more of the features.

In the description of the present application, "a plurality" means two or more.

In the description of the present application, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact not directly but via another feature therebetween.

In the description of the present application, the first feature being "on," "above" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. A floor brush assembly for a vacuum cleaner, comprising:

the rolling brush assembly comprises a sleeve and a rolling brush body, the rolling brush body is rotatably arranged in the sleeve, and brush bristles are arranged on the rolling brush body;

the driving mechanism comprises a power source and a transmission assembly, the transmission assembly comprises a first driving wheel, a second driving wheel, a first driving piece and a second driving piece, the first driving wheel and the second driving wheel are connected with the power source, the power at the first driving wheel drives the rolling brush body to rotate through the first driving piece, the power at the second driving wheel drives the sleeve to rotate through the second driving piece, and the first driving piece and the second driving piece are eccentrically arranged so that the bristles selectively extend out of or retract into the sleeve; wherein

The second drive wheel is equipped with first joint portion, the second driving piece is equipped with second joint portion, first joint portion with the cooperation of second joint portion joint and messenger the second drive wheel with the second driving piece is along circumference relatively fixed.

2. A floor brush assembly for a vacuum cleaner according to claim 1, wherein said drive mechanism further comprises a drive housing and a drive shaft; wherein

The transmission shaft is rotatably arranged on the driving shell, and the first driving wheel is arranged on the transmission shaft and is circumferentially and relatively fixed with the transmission shaft;

the second driving piece is rotatably supported on the driving shell, the second driving wheel is rotatably sleeved outside the transmission shaft, and the transmission shaft penetrates through the second driving piece and extends to the outside of the driving shell so as to be fixedly connected with the first driving piece along the circumferential direction.

3. The floor brush assembly of claim 2, wherein the second driving member includes a transmission portion and a supporting connection portion, the transmission shaft sequentially penetrates through the supporting connection portion and the transmission portion, the supporting connection portion is rotatably supported by the driving housing, the transmission portion is connected to the first end of the supporting connection portion, the transmission portion is located outside the driving housing to be connected to the sleeve, and the second end of the supporting connection portion extends into the driving housing and is provided with the second clamping portion.

4. The floor brush assembly for the vacuum cleaner as claimed in claim 3, wherein the second clamping portion includes a clamping cantilever provided at a second end of the supporting connection portion, the first clamping portion includes a clamping boss provided at an inner peripheral wall of the second driving wheel, the second end of the supporting connection portion extends into the second driving wheel, and a free end of the clamping cantilever is provided with a buckle engaged with the clamping boss.

5. The floor brush assembly for the dust collector as claimed in claim 4, wherein the plurality of clamping cantilevers are arranged at intervals along the circumferential direction of the supporting connection portion, the plurality of clamping bosses are arranged, and the plurality of clamping bosses are in one-to-one correspondence with the plurality of clamping cantilevers.

6. The floor brush assembly for the vacuum cleaner according to claim 5, wherein a weakening groove is formed between any two adjacent clamping cantilevers in the circumferential direction of the supporting connection portion.

7. A floor brush assembly for a vacuum cleaner according to claim 2, further comprising: the bearing supporting block is rotatably supported in the second driving piece and provided with an eccentric hole, the first end of the transmission shaft is rotatably supported in the eccentric hole, and the part of the transmission shaft extending out of the eccentric hole is connected with the first driving piece.

8. The floor brush assembly for a vacuum cleaner of claim 2, wherein the driving case includes a motor bracket and a driving side end cap, the motor bracket is connected to the power source, and the driving side end cap is detachably mounted to the motor bracket; wherein

The second end of the transmission shaft is supported on the driving side end cover, and the second driving piece is rotatably supported on the motor bracket.

9. A floor brush assembly for a vacuum cleaner according to claim 1,

one side of the first driving piece, which faces the rolling brush body, is provided with first driving teeth, one side of the rolling brush body, which faces the first driving piece, is provided with first driven teeth, and the first driving teeth are meshed with the first driven teeth;

and a second driving tooth is arranged on one side, facing the sleeve, of the second driving piece, a second driven tooth is arranged on one side, facing the second driving piece, of the sleeve, and the second driving tooth is meshed with the second driven tooth.

10. A vacuum cleaner, characterized in that a floor brush assembly for a vacuum cleaner according to any one of claims 1-9 is provided.