CN215078006U - Floor brush assembly of dust collector and dust collector - Google Patents

Abstract

The utility model discloses a scrubbing brush assembly and dust catcher for dust catcher, scrubbing brush assembly includes: the rolling brush component comprises a sleeve and a rolling brush body, the rolling brush body is rotatably arranged in the sleeve, and the rolling brush body is provided with brush bristles; the driving mechanism comprises a power source and a transmission assembly, the transmission assembly comprises a driving shell, a driving wheel, a first driving piece and a second driving piece, the driving wheel is arranged on the driving shell, the driving wheel is connected with the power source, the driving wheel is suitable for driving the rolling brush body to rotate through the first driving piece and driving 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; the transmission assembly further comprises a heat dissipation support piece, and the heat dissipation support piece is provided with a heat dissipation hole communicated with the inner cavity of the sleeve and the inner cavity of the driving shell. The utility model discloses a scrubbing brush assembly for dust catcher can pass through the negative pressure air current in the round brush subassembly during heat dissipation support piece introduces drive assembly, realizes the heat dissipation to drive assembly.

Description

Floor brush assembly of dust collector and dust collector

Technical Field

The utility model belongs to the technical field of domestic appliance makes the technique and specifically relates to a dust catcher that is used for scrubbing brush assembly of dust catcher and has this scrubbing 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. When the rolling brush of the dust collector is driven by the motor in the floor brush, the transmission system can generate larger heat, even more heat than the motor generates. In the related art, an effective measure for dissipating heat of a transmission system is lacked, so that the temperature of the transmission system is too high, the mechanical structure is easily damaged, the service life is influenced, adverse effects are generated, and an improved space exists.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide a floor brush assembly for a vacuum cleaner, which can dissipate heat of a transmission assembly by introducing a negative pressure airflow in a roller brush assembly into the transmission assembly.

According to the utility model discloses a scrubbing brush assembly for dust catcher of some embodiments, include: 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 driving shell, a driving wheel, a first driving piece and a second driving piece, the driving wheel is mounted on the driving shell and connected with the power source, the driving wheel is suitable for driving the rolling brush body to rotate through the first driving piece and driving 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 can be selectively extended or retracted from the sleeve; the transmission assembly further comprises a heat dissipation support, and the heat dissipation support is provided with a heat dissipation hole for communicating the inner cavity of the sleeve with the inner cavity of the driving shell.

According to the utility model discloses 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, and through set up the louvre between the inner chamber at telescopic inner chamber and drive shell for the interior negative pressure gas of sleeve can flow in the inner chamber of drive shell, thereby effectively dispels the heat to the drive assembly, has reduced the temperature in the drive assembly working process, has improved the part life-span.

According to some embodiments of the present invention, the driving assembly further comprises a driving shaft, and the driving wheel and the first driving member are respectively installed at an inner side and an outer side of the driving shell; the heat dissipation support piece is rotatably installed on the side wall, facing the sleeve, of the driving shell, is provided with a mounting hole spaced apart from the heat dissipation hole, and the transmission shaft penetrates through the mounting hole to connect the driving wheel and the first driving piece in a power mode.

According to some embodiments of the present invention, the second driving member is rotatably supported at a side wall of the driving housing facing the sleeve, and the heat dissipation supporting member is rotatably mounted at the second driving member; the rotating axis of the heat dissipation support piece is overlapped with the rotating axis of the second driving piece, and the mounting hole is eccentrically arranged in the heat dissipation support piece so that the rotating axis of the transmission shaft and the rotating axis of the heat dissipation support piece are distributed in a staggered mode.

According to the utility model discloses a scrubbing brush assembly for dust catcher of some embodiments, the louvre sets up to the multiunit, multiunit the louvre is towards keeping away from the direction of mounting hole interval distribution in proper order in heat dissipation support piece.

According to the utility model discloses a scrubbing brush assembly for dust catcher, every group the louvre all includes a plurality of sub-louvres, and is adjacent two sets of the louvre a plurality of sub-louvre is keeping away from one-to-one is just to setting up in the direction of mounting hole.

According to the utility model discloses a scrubbing brush assembly for dust catcher, every group the louvre includes two sub-louvres, two sub-louvre symmetric distribution in heat dissipation support piece.

According to the utility model discloses a scrubbing brush assembly for dust catcher of some embodiments, the louvre is a plurality of, and is a plurality of the louvre interval distributes around the mounting hole.

According to some embodiments of the present invention, the driving shell comprises 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 one end of the transmission shaft, which is far away from the rolling brush body, is rotatably 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 invention, the floor brush assembly for a vacuum cleaner, the first driving member is provided with a first driving tooth on a side facing the roller brush body, the roller brush body is provided with a first driven tooth on a side facing the first driving member, 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 utility model also provides a dust catcher.

According to the embodiment of the utility model, the dust collector is provided with the floor brush assembly for the dust collector in any one of the above 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 invention 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 invention.

Drawings

The above and/or additional aspects and advantages of the present invention 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 vacuum cleaner according to an embodiment of the present invention;

figure 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 invention;

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

fig. 6 is an exploded view of a drive mechanism of a floor brush assembly according to an embodiment of the present disclosure;

fig. 7 is a schematic structural view of a roller brush assembly of a driving mechanism of a 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 first driven teeth 111, the brush bristles 112, the brush body structure 113, the driven shaft 114, the sleeve 12, the second driven teeth 121, the avoiding opening 122,

the driving mechanism 2, the transmission assembly 21, the driving wheel 22, the first transmission hole 221, the second transmission hole 222, the first driving piece 23, the first driving tooth 231, the second driving piece 24, the transmission part 241, the support connection part 242, the second driving tooth 243, the avoiding hole 244, the third transmission hole 245, the transmission shaft 25, the link structure 26, the heat dissipation support 27, the installation hole 271, the heat dissipation hole 272, the sub heat dissipation hole 273, the driving shell 28, the motor bracket 281, the driving side end cover 282, the power source 29, the driving wheel 291, the belt 3, the bearing 4, the driven side end cover 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 invention, examples of which are illustrated in the accompanying drawings, wherein like 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 invention, and should not be construed as limiting the present invention.

The following describes a floor brush assembly 100 according to an embodiment of the present invention with reference to fig. 1-7, the floor brush assembly 100 is suitable for a vacuum cleaner, and part of the driving force output from the driving wheel 22 by the power source 29 of the floor brush assembly 100 drives the first driving member 23 through the transmission shaft 25 to drive the rolling brush body 11 to rotate, and the other part of the driving force drives the second driving member 24 through the connecting rod structure 26 to drive the sleeve 12 to rotate, so as to realize the respective driving of the rolling brush body 11 and the sleeve 12, and in this transmission process, it is not necessary to perform power transmission through a gear matching structure with two belt pulleys as in the conventional technology, so as to reduce the requirement of matching precision between each component, and it will not cause the problem of excessive wear of the gear transmission structure, especially it is not easy to have the problem of assembling dislocation, and it improves the practicability 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 dust collector 1000, as shown in fig. 1, the overall structure of the dust collector 1000 is schematically illustrated, the floor brush assembly 100 is installed at the bottom of the dust collector 1000, and as shown in fig. 2, the floor brush assembly 100 is located at the front bottom of the dust collector 1000, and as shown in fig. 2, the front bottom of the housing 1001 of the dust collector 1000 is open, so as to form a cleaning opening in the front bottom region of the housing 1001, the bristles 112 of the rolling brush assembly 1 of the floor brush assembly 100 can extend out from the cleaning opening, and the bristles 112 can clean the surface to be cleaned, and as the surface to be cleaned can be the ground, in this way, the bristles 112 can sweep up the impurities, hair, etc. on the ground, and the raised impurities and hair can be absorbed and collected by matching with the dust collection component of the dust collector 1000, thereby realizing 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.

As shown in fig. 3 and 4, a floor brush assembly 100 according to an embodiment of the present invention includes: round brush subassembly 1, actuating mechanism 2, wherein, actuating mechanism 2 and round brush subassembly 1 are all installed in casing 1001 and actuating mechanism 2 links to each other with casing 1001 is fixed, round brush subassembly 1 rotationally supports in casing 1001 in order to link to each other with actuating mechanism 2's output, so that the drive power of actuating mechanism 2 department can be exported for round brush subassembly 1, thereby make actuating mechanism 2 can drive round brush subassembly 1 and rotate for casing 1001, like this, at round brush subassembly 1 pivoted in-process, the brush hair 112 of round brush subassembly 1 stretches out from the clean mouthful in order to treat the cleaning surface and carry out cleaning process.

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. 2, 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, a left end of the driven shaft 114 is rotatably supported at a left end position of the sleeve 12 through a bearing 4, as shown in fig. 7, a driven side end cap 5 is provided at a left end of the sleeve 12, a left end of the driven shaft 114 is supported at the driven side end cap 5 through the bearing 4, and a right end of the brush body structure 113 is power-connected 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 and 7, the roller brush body 11 is provided with bristles 112, the bristles 112 are disposed on the outer peripheral wall of the roller brush body 11, the bristles 112 protrude and extend from the outer peripheral wall of the roller brush body 11 in a radial direction, the outer peripheral wall of the sleeve 12 is provided with an escape opening 122, and the escape 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 driving wheel 22, a first driving piece 23 and a second driving piece 24, and the driving wheel 22 is connected with the power source 29. Wherein, power supply 29 can set up to driving motor, drive wheel 22 can set up to the belt pulley, and can set up action wheel 291 on driving motor's motor shaft, the axis of rotation of belt pulley is parallel with action wheel 291's axis of rotation, and the belt pulley just directly sets up with action wheel 291 in footpath, and like this, action wheel 291 and belt pulley pass through belt 3 transmission cooperation, so that the drive power of driving motor output can transmit to the belt pulley through belt 3 in action wheel 291 department, and then distribute through the belt pulley towards first driving piece 23 and second driving piece 24.

Wherein the driving wheel 22 is connected to the first driving member 23 through a transmission shaft 25 for driving the rolling brush body 11 to rotate, and as shown in fig. 5, the first driving member 23 is configured as a circular block, such that the first driving member 23 has its own rotation axis and can rotate around its own rotation axis, and the driving wheel 22 is connected to the second driving member 24 through a link structure 26 for driving the sleeve 12 to rotate, as shown in fig. 5, the second driving member 24 is configured as a circular block, such that the second driving member 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 rotate the sleeve 12. That is, a part of the driving force from the driving motor can be output to the first driving member 23 through the transmission shaft 25 at the pulley to rotate the roll brush body 11 in the sleeve 12, and another part of the driving force can be output to the second driving member 24 through the link structure 26 to rotate the sleeve 12 relative to the housing 1001.

Therefore, the utility model provides a belt pulley and two driving pieces are respectively with transmission shaft 25, link structure 26's form carries out the transmission cooperation, not only can reduce the assembly required precision between belt pulley and two driving pieces, reduce the assembly degree of difficulty, there is not the too big problem of wearing and tearing that gear drive exists, do benefit to extension actuating mechanism 2's life, and simultaneously, install the cooperation through transmission shaft 25 and link structure 26, drive wheel 22 of accessible drives, there is not too big problem of two belt pulley installation space demands, the difficult problem that belt 3 rotated the jamming when beating that appears, thereby prevent that the problem that round brush and sleeve 12 assembly relation take place the dislocation, the reliability and the security of scrubbing brush assembly 100 have greatly been improved.

Wherein the first driving member 23 and the second driving member 24 are eccentrically disposed to selectively extend or retract the brush bristles 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 driven to rotate by the first driving member 23 and the socket 12 is driven 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 into 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 sundries wound around the brush bristles 112 influence the normal rotation of the rolling brush body 11 is avoided, therefore, 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 hair and thin lines are wound around the rolling brush body 11 is solved.

The transmission assembly 21 further includes a heat dissipation support 27, the heat dissipation support 27 may be configured as a circular block structure, the heat dissipation support 27 has a heat dissipation hole 272 communicating the inner cavity of the sleeve 12 and the inner cavity of the driving housing 28, and the heat dissipation hole 272 penetrates the heat dissipation support 27 along a thickness direction of the heat dissipation support 27. Wherein the pulley and link structure 26 is mounted within the drive housing 28, as shown in fig. 4, such that the drive housing 28 protects the mating structure between the pulley and link structure 26 and other components.

It will be understood that the driving wheel 22 and the transmission structure of the driving wheel 22 between the first driving member 23 and the second driving member 24 are installed in the driving shell 28, and the driving motor is used for driving the driving wheel 22 and the transmission structure of the driving wheel 22 between the first driving member 23 and the second driving member 24 to rotate, so that the transmission structure of the driving wheel 22 and the driving wheel 22 between the first driving member 23 and the second driving member 24 generates a large amount of heat during the operation of the floor brush assembly 100, and the temperature in the driving shell 28 gradually rises. Meanwhile, it should be noted that the sleeve 12 of the roller brush assembly 1 is provided with an avoiding opening 122, and the avoiding opening 122 communicates the inner cavity of the sleeve 12 with the external space, and at the same time, the roller brush body 11 rotates in the sleeve 12, so that the bristles 112 continuously extend out and retract from the avoiding opening 122, and particularly, the dust suction assembly of the floor brush assembly 100 is prone to generate negative pressure in the internal space of the sleeve 12 during the extending and retracting process.

In the present application, the heat dissipation holes 272 are formed through the heat dissipation support 27, and the heat dissipation holes 272 communicate with the inner cavity of the sleeve 12 and the inner cavity of the driving case 28, so that the negative pressure gas in the sleeve 12 can enter the inner cavity of the driving case 28 through the heat dissipation holes 272, and when the driving case 21 generates a large amount of heat to cause the temperature in the driving case 28 to rise, the negative pressure gas dissipates heat of the driving case 21 of the driving case 28, so as to effectively reduce the temperature of the driving case 21. Like this, the internal structure of transmission assembly 21 is dispelled the heat directly through the inside negative pressure gas of sleeve 12, do not need to set up extra radiating channel alone, reduce the setting in heat transfer water route, the internal structure of scrubbing brush assembly 100 is simplified in the utmost point, moreover, the steam generator is simple in structure and installation are compact, do benefit to the current model of adaptation, negative pressure air current in sleeve 12 passes through the internal structure that can concentrate on transmission assembly 21 behind louvre 272 simultaneously, airflow loss is little, the radiating effect is good, do benefit to the internal structure who guarantees transmission assembly 21 and be in lower temperature state, thereby do benefit to transmission assembly 21 and move under lower temperature environment, it is serious to avoid the too high wearing and tearing that leads to of operating temperature, prolong actuating mechanism 2's life, promote scrubbing brush assembly 100's security.

According to the utility model discloses scrubbing brush assembly 100 can solve the problem of the long and thin thing winding round brush body 11 such as hair, fine rule, and through set up louvre 272 between the inner chamber of sleeve 12 and the inner chamber of drive shell 28 for the negative pressure gas in the sleeve 12 can flow in the inner chamber of drive shell 28, thereby effectively dispels the heat to transmission assembly 21, has reduced the temperature in the transmission assembly 21 course of operation, has improved the part life-span.

In some embodiments, the transmission assembly 21 further includes a transmission shaft 25, the driving wheel 22 is installed inside the driving shell 28, and the first driving member 23 is installed outside the driving shell 28, wherein, as shown in fig. 2, a first transmission hole 221 is provided at a central position of the driving wheel 22, the first transmission hole 221 penetrates in an axial direction of the driving wheel 22, and the transmission shaft 25 penetrates through the first transmission hole 221 and is fixedly engaged with the driving wheel 22 in a circumferential direction inside the first transmission hole 221, so that the driving wheel 22 can drive the transmission shaft 25 to rotate.

It should be noted that the heat dissipation supporting member 27 is rotatably installed on the side wall of the driving housing 28 facing the sleeve 12, as shown in fig. 5, the heat dissipation supporting member 27 is supported on the left side wall of the driving housing 28, wherein the heat dissipation supporting member 27 is provided with an installation hole 271 and a heat dissipation hole 272 penetrating along the axial direction, that is, the installation hole 271 and the heat dissipation hole 272 both penetrate through the left side wall of the driving housing 28, and the heat dissipation hole 272 and the installation hole 271 on the heat dissipation supporting member 27 are arranged at intervals. As shown in fig. 3, the transmission shaft 25 may extend through the mounting hole 271 from the inside of the driving housing 28 to the outside of the driving housing 28 to connect with the first driving member 23, and the bearing 4 may be disposed in the mounting hole 271 to allow the transmission shaft 25 to rotatably engage with the heat dissipating support 27, and the transmission shaft 25 connects the driving wheel 22 and the first driving member 23. In this way, the driving force on the driving wheel 22 can be transmitted to the first driving member 23 through the transmission shaft 25 for driving the rolling brush body 11 to rotate.

That is to say, the heat dissipation support 27 in this application can not only play a role in conducting heat between the inner cavity of the driving shell 28 and the inner cavity of the sleeve 12, so that the airflow in the sleeve 12 can dissipate heat of the structure in the driving shell 28, and at the same time, the heat dissipation support 27 can also play a role in rotatably supporting the transmission shaft 25 on the driving shell 28, so as to ensure that the transmission shaft 25 can realize the transmission function between the driving wheel 22 and the first driving part 23 through the rotation supporting function of the heat dissipation support 27 at the driving shell 28, thereby realizing the design of two functions of the same structural component, and improving the structural integration degree of the floor brush assembly 100.

Wherein, mounting hole 271 and louvre 272 interval set up, are about to mounting hole 271 and louvre 272 fall by mistake and set up in heat dissipation support 27 to make the rotation effect of transmission shaft 25 in mounting hole 271 and the radiating effect of louvre 272 not influence each other, both do benefit to the air current that realizes louvre 272 department and switch on, realize high-efficient heat dissipation, and can guarantee that transmission shaft 25 rotates steadily in mounting hole 271 department, realize power transmission.

In some embodiments, the second driving member 24 is rotatably supported on the side wall of the driving shell 28 facing the sleeve 12, that is, as shown in fig. 3, the side wall of the driving shell 28 facing the sleeve 12 is provided with a mounting through hole, the second driving member 24 is rotatably supported on the side wall of the motor holder 281 through the bearing 4, as shown in fig. 6, the bearing 4 is sleeved outside the second driving member 24, that is, the inner ring of the bearing 4 is fixedly connected with the outer circumferential wall of the supporting connection portion 242, and the outer circumferential wall of the bearing 4 is fixedly supported on the inner circumferential wall of the mounting through hole.

As shown in fig. 6, the second driving member 24 is provided with an avoiding hole 244, the avoiding hole 244 is located at a central position of the second driving member 24, the avoiding hole 244 penetrates through the second driving member 24 in the axial direction, an axis of the avoiding hole 244 coincides with an axis of the second driving member 24, and the heat dissipation supporting member 27 is installed in the avoiding hole 244, so that the heat dissipation supporting member 27 is rotatably installed on the second driving member 24.

Wherein the axis of the heat dissipating support 27 coincides with the axis of the second driving member 24 such that the rotational axis of the heat dissipating support 27 coincides with the rotational axis of the second driving member 24. By eccentrically disposing the mounting hole 271 to the heat dissipating support 27 such that the axis of the mounting hole 271 is offset from the rotational axis of the heat dissipating support 27 such that the rotational axis of the transmission shaft 25 is not coincident with the axis of the second driving member 24 and thus the rotational axis of the transmission shaft 25 is offset from the rotational axis of the second driving member 24, the bristles 112 can be selectively extended or retracted from the inside of the sleeve 12 when the roll brush body 11 and the sleeve 12 are rotated together.

In some embodiments, the heat dissipation holes 272 are provided in multiple sets, that is, two or more sets of heat dissipation holes 272 may be provided, and the multiple sets of heat dissipation holes 272 are sequentially arranged in a direction away from the mounting hole 271, so as to be disposed at the heat dissipation support 27 at intervals, so that the negative pressure gas in the sleeve 12 may enter the inner cavity of the driving housing 28 through the heat dissipation holes 272, and after sufficient heat exchange with the driving assembly 21, the negative pressure gas is suitable for flowing out of the inner cavity of the driving housing 28, so as to cool the driving assembly 21.

In a specific arrangement, the plurality of sets of heat dissipation holes 272 may be spaced apart in a radial direction of the heat dissipation support 27, may also be spaced apart in a circumferential direction of the heat dissipation support 27, or may be distributed in the radial direction and the circumferential direction at a spacing simultaneously, so as to implement the functions of guiding and dissipating heat at a plurality of different positions of the heat dissipation support 27. That is to say, by providing a plurality of sets of heat dissipation holes 272, the communication area between the inner cavity of the sleeve 12 and the inner cavity of the driving shell 28 is increased, the flow passage of the negative pressure gas is enlarged, the flow rate of the negative pressure gas flowing into the driving shell 28 in unit time is increased, and the heat dissipation efficiency of the inner cavity of the driving shell 28 is improved.

In some embodiments, each set of heat dissipation holes 272 includes a plurality of sub-heat dissipation holes 273, the plurality of sub-heat dissipation holes 273 are arranged around the mounting hole 271, and the plurality of sub-heat dissipation holes 273 of two adjacent sets of heat dissipation holes 272 are arranged opposite to each other in a direction away from the mounting hole 271. Through the above arrangement, the multiple groups of heat dissipation holes 272 are uniformly distributed on the part of the heat dissipation support 27 away from the mounting hole 271, so that negative pressure gas can flow into the inner cavity of the driving shell 28 from the multiple heat dissipation holes 273, the whole transmission assembly 21 is cooled, the local temperature of the transmission assembly 21 is prevented from being too high, and the service life of the transmission assembly 21 is further prolonged. That is to say, the sub-heat dissipation holes 273 of different numbers are arranged in the supporting heat dissipation member 27 in a regular manner, and especially, the sub-heat dissipation holes 273 of the two adjacent sets of heat dissipation holes 272 are correspondingly arranged, so that the sub-heat dissipation holes 273 of the supporting heat dissipation member 27 can realize balanced heat conduction.

In some embodiments, each group of heat dissipation holes 272 includes two sub-heat dissipation holes 273, wherein, as shown in fig. 5, the two sub-heat dissipation holes 273 are all configured as arc-shaped triangular holes, and the two sub-heat dissipation holes 273 are symmetrically arranged along the line connecting the axis of the heat dissipation support 27 and the axis of the mounting hole 271, the inner side arc line of the sub-heat dissipation hole 273 is coaxially arranged with the mounting hole 271, and the outer side arc line of the sub-heat dissipation hole 273 is coaxially arranged with the heat dissipation support 27, so as to symmetrically distribute the two sub-heat dissipation holes 273 in the heat dissipation support 27, thereby ensuring that both sides of the heat dissipation support 27 have sufficient structural strength, and enabling the heat dissipation holes 272 to have as large a sectional area as possible, so as to improve the flow rate of negative pressure gas flowing into the inner cavity of the driving housing 28, improve the heat dissipation efficiency of the driving component 21, and further ensure the safety of the driving component 21.

That is, the plurality of sub-heat dissipation holes 273 are symmetrically distributed on both sides of a connecting line between the axis of the heat dissipation support 27 and the axis of the mounting hole 271, so that the airflow conduction amount on both sides is the same, and uniform heat dissipation is achieved. It can be understood that the mounting hole 271 in this application is located in the lower region of the heat dissipation support 27, and the line connecting the axis of the heat dissipation support 27 and the axis of the mounting hole 271 extends vertically, so that the sub-heat dissipation holes 273 on the front and rear sides of the heat dissipation support 27 are distributed more evenly, and the uniform heat dissipation of each structure inside the transmission assembly 21 is ensured.

In some embodiments, the heat dissipation holes 272 are multiple, and the multiple heat dissipation holes 272 are spaced around the mounting hole 271. That is to say, can encircle the mounting hole 271 and be equipped with a plurality of louvres 272, a plurality of louvres 272 intervals set up, make the louvre 272 that negative pressure gas can follow a plurality of different positions get into the inner chamber of drive shell 28, dispel the heat with surrounding whole transmission shaft 25, thereby realize the whole heat dissipation of drive assembly 21, avoid drive assembly 21 local high temperature, simultaneously through establishing louvre 272 into a plurality ofly, the circulation passageway of the gaseous inflow drive shell 28 inner chamber of negative pressure has been increased, the radiating efficiency of drive assembly 21 has been improved greatly.

It can be understood that, the many structures of part in the transmission assembly 21 are circular, consequently, construct a plurality of louvres 272 in this application for encircle the setting around mounting hole 272 to make the distribution mode of a plurality of louvres 272 and the structural style of the part in the transmission assembly 21 comparatively match, thereby make the air current after carrying out the water conservancy diversion through a plurality of louvres 272 can flow to the different positions department of part, realize the multi-angle heat dissipation to internal part, thereby promote the radiating effect.

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. 6, 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 fig. 4, the motor holder 281 and the driving side end cap 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 a single structure. The motor holder 281 is connected to the driving side and defines an installation space in which the pulley and link structure 26 is installed, so that the motor holder 281 and the driving side cap 282 protect the fitting structure between the pulley and link structure 26 and other components. As shown in fig. 4, one end of the belt 3 is sleeved outside the belt pulley, and the other end of the belt 3 extends to the driving wheel 291 through the guide cavity to be sleeved outside the driving wheel 291, so that the belt 3 can perform a transmission function between the belt pulley and the driving wheel 291.

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 fig. 3, the right end of the transmission shaft 25 is rotatably supported on the drive side cap 282 through a bearing 4 so that the transmission shaft 25 can rotate relative to the motor holder 281 and the drive side cap 282, and a mounting through hole is provided on a side wall of the motor holder 281 facing the sleeve 12, and the second driver 24 is rotatably supported on the side wall of the motor holder 281 through the bearing 4.

Therefore, the internal structure installation of the transmission assembly 21 can be realized, the structure is simple, and the installation is convenient. Wherein, as shown in fig. 6, the periphery wall of the belt pulley is provided with the external convex teeth, and the internal periphery wall of the belt 3 is provided with the internal convex teeth, so that the internal convex teeth and the external convex teeth are engaged for transmission, thereby being beneficial to enhancing the cooperation between the belt 3 and the belt pulley, avoiding the slipping problem between the belt pulley transmission process and the belt 3, and improving the transmission reliability of the belt 3.

In some embodiments, a side of the first driving member 23 facing the brush body 11 is provided with a first driving tooth 231, a side of the brush body 11 facing the first driving member 23 is provided with a first driven tooth 111, the first driving tooth 231 is engaged with the first driven tooth 111, as shown in fig. 5 and 6, the first driving tooth 231 is formed at an outer circumferential wall of the first driving member 23 and protrudes radially outward at the outer circumferential wall of the first driving member 23, the first driving tooth 231 extends to a side of the first driving member 23 facing the brush body 11, and as shown in fig. 7, the first driven tooth 111 is formed at an inner circumferential wall of a right end of the brush body 11, and the first driven tooth 111 protrudes radially inward at the inner circumferential wall of the brush body 11, the first driven tooth 111 extends to a side of the brush body 11 facing the first driving member 23, so that the first driven tooth 111 and the first driving tooth 231 are fitted in an axial direction by insertion, and the first driven tooth 111 and the first driving tooth 231 are fitted in a circumferential direction upper limit, so that the first driving member 23 can drive the first driven teeth 111 and the rolling brush body 11 to rotate through the first driving teeth 231.

A side of the second driving member 24 facing the sleeve 12 is provided with a second driving tooth 243, a side of the sleeve 12 facing the second driving member 24 is provided with a second driven tooth 121, the second driving tooth 243 is engaged with the second driven tooth 121, as shown in fig. 5 and 6, the second driving tooth 243 is formed on the outer peripheral wall of the second driving member 24 and projects radially outwardly on the outer peripheral wall of the second driving member 24, the second driving tooth 243 extends to a side of the second driving member 24 facing the sleeve 12, and as shown in fig. 7, the second driven tooth 121 is formed on the inner peripheral wall of the right end of the sleeve 12, and the second driven tooth 121 projects radially inwardly on the inner peripheral wall of the sleeve 12, and the second driven tooth 121 extends to a side of the sleeve 12 facing the second driving member 24, so that the second driven tooth 121 and the second driving tooth 243 are axially inserted and engaged, and the second driven tooth 121 and the second driving tooth 243 are engaged at the upper limit in the circumferential direction, so that the second driving member 24 can drive the second driven tooth 121 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 utility model also provides a dust catcher 1000.

According to the utility model discloses dust catcher 1000 is provided with the scrubbing brush assembly 100 of any kind of above-mentioned embodiment, through set up louvre 272 between the inner chamber at sleeve 12 and the inner chamber of drive shell 28 for the negative pressure gas in the sleeve 12 can flow in the inner chamber of drive shell 28, thereby effectively dispels the heat to drive assembly 21, has reduced the temperature in the drive assembly 21 working process, has improved the part life-span, improves scrubbing brush assembly 100's wholeness ability.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

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

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

In the description of the present invention, the first feature "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 with each other not directly but through another feature therebetween.

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

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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 present invention. 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 invention 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 invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

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 driving shell, a driving wheel, a first driving piece and a second driving piece, the driving wheel is mounted on the driving shell and connected with the power source, the driving wheel is suitable for driving the rolling brush body to rotate through the first driving piece and driving 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 can be selectively extended or retracted from the sleeve;

the transmission assembly further comprises a heat dissipation support, and the heat dissipation support is provided with a heat dissipation hole for communicating the inner cavity of the sleeve with the inner cavity of the driving shell.

2. A floor brush assembly for a vacuum cleaner according to claim 1, wherein the transmission assembly further comprises a transmission shaft, the drive wheel and the first drive member being mounted to the inside and outside of the drive housing, respectively;

the heat dissipation support piece is rotatably installed on the side wall, facing the sleeve, of the driving shell, is provided with a mounting hole spaced apart from the heat dissipation hole, and the transmission shaft penetrates through the mounting hole to connect the driving wheel and the first driving piece in a power mode.

3. A floor brush assembly for a vacuum cleaner according to claim 2, wherein said second drive member is rotatably supported on a side wall of said drive housing facing said sleeve, said heat dissipating support member being rotatably mounted to said second drive member; wherein

The rotating axis of the heat dissipation support piece is coincided with the rotating axis of the second driving piece, and the mounting hole is eccentrically arranged in the heat dissipation support piece so that the rotating axis of the transmission shaft and the rotating axis of the heat dissipation support piece are distributed in a staggered mode.

4. The floor brush assembly of claim 3, wherein the heat dissipation holes are arranged in multiple groups, and the multiple groups of heat dissipation holes are sequentially distributed on the heat dissipation support at intervals in a direction away from the mounting hole.

5. The floor brush assembly of claim 4, wherein each set of heat dissipation holes comprises a plurality of sub-heat dissipation holes, and the sub-heat dissipation holes of two adjacent sets of heat dissipation holes are arranged opposite to each other in a direction away from the mounting hole.

6. The floor brush assembly of claim 4, wherein each set of heat dissipation holes comprises two sub-heat dissipation holes, and the two sub-heat dissipation holes are symmetrically distributed on the heat dissipation support.

7. The floor brush assembly for a vacuum cleaner according to claim 2, wherein the heat radiating hole is plural, and the plural heat radiating holes are spaced around the mounting hole.

8. The floor brush assembly for a vacuum cleaner of claim 3, 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

One end of the transmission shaft, which is far away from the rolling brush body, can be rotatably supported on the driving side end cover, and the second driving piece can be 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.

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