CN219699311U

CN219699311U - Rotary cleaning brush

Info

Publication number: CN219699311U
Application number: CN202320761191.8U
Authority: CN
Inventors: 李秀玲
Original assignee: Shanghai Shuaiwei Technology Co ltd
Current assignee: Shanghai Shuaiwei Technology Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-09-19
Anticipated expiration: 2033-04-06

Abstract

The utility model provides a rotary cleaning brush, and belongs to the technical field of cleaning tools. The cleaning brush solves the technical problems that an existing rotary cleaning brush is easy to slip in the cleaning process, so that the cleaning effect is poor, the use experience is poor and the like. The rotary cleaning brush comprises a cleaning brush main body and a brush head, wherein the brush head comprises an inner ring brush head and an outer ring brush head, the inner ring brush head and the outer ring brush head reversely rotate, and a driving motor drives the inner ring brush head and the outer ring brush head to rotate respectively through a speed reduction assembly. According to the utility model, the inner ring brush head and the outer ring brush head which rotate in opposite directions are designed, so that the sliding problem of the rotary cleaning brush in working is reduced.

Description

Rotary cleaning brush

Technical Field

The utility model belongs to the technical field of cleaning tools, and particularly relates to a rotary cleaning brush.

Background

The traditional cleaning brush is basically of a fixed structure, needs to be manually cleaned by manpower, consumes more effort in the use process, and has the defects of insufficient cleaning, low cleaning speed and the like.

In order to solve the above problems, the utility model patent with application number 202010764090.7 discloses an electric cleaning brush, which is characterized in that an annular permanent magnet is fixedly arranged at the upper end of a rotating part provided with brush hair, the annular permanent magnet is matched with a silicon steel coil arranged on a fixed column in a hollow groove in the middle of a main brush, and after the silicon steel coil is electrified, a rotating brush head rotates, so that the brushing frequency is improved, the strength is saved, and the electric cleaning brush is cleaner.

However, the electric cleaning brush has a problem that the electric cleaning brush mainly cleans the surface of an object by rotating the brush head, and the electric cleaning brush is easy to slip on the surface of the object to be cleaned, so that the brush head shifts to a position to be cleaned, and the cleaning effect is poor, especially when objects such as ceramic tiles and bathtubs which are relatively smooth are cleaned; above-mentioned electronic cleaning brush in order to ensure cleaning effect, needs the user to firmly hold and control this electronic cleaning brush when using to avoid sliding or reduce the distance that slides as far as possible, the whole cleaning process is used for holding the arm of electronic cleaning brush can be tired, uses and experiences inadequately.

Therefore, how to provide a cleaning brush that does not slip and has better use experience is a technical problem to be solved.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a rotary cleaning brush which can not slip and has better use experience.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a rotation type cleaning brush, includes cleaning brush main part and brush head, be equipped with driving motor and speed reduction assembly in the cleaning brush main part, its characterized in that: the brush head comprises an inner ring brush head and an outer ring brush head, the inner ring brush head and the outer ring brush head reversely rotate, and the driving motor drives the inner ring brush head and the outer ring brush head to rotate respectively through the speed reduction assembly.

This rotation type cleaning brush is through the rotatory inner circle brush head of design opposite direction and outer lane brush head to reduce the slip problem of this rotation type cleaning brush during operation, be favorable to improving clean effect, make user's use experience better, the operation is more light and convenient. The front side surfaces of the inner ring brush head and the outer ring brush head are respectively fixed with brush hair.

In the above-mentioned rotary cleaning brush, a gap is provided between the inner ring brush head and the outer ring brush head.

The design of the gap can enable the brush head of the inner ring and the brush head of the outer ring to rotate in opposite directions more smoothly, friction is avoided between the brush head of the inner ring and the brush head of the outer ring, and therefore the contact surface between the brush head of the inner ring and the brush head of the outer ring is prevented from being worn due to friction, and the service life of the brush head of the inner ring and the brush head of the outer ring and the stability of the brush head of the outer ring during working are improved.

In the rotary cleaning brush, the rear end of the inner ring brush head is connected with the output sun gear, the rear end of the outer ring brush head is connected with the output inner gear, the output inner gear is sleeved on the outer side of the output sun gear, the output sun gear is connected with the output inner gear through more than one output planet gear, and the driving motor drives the output sun gear to rotate through the speed reduction assembly.

The rotary cleaning brush realizes the reverse rotation of the inner ring brush head and the outer ring brush head through the output sun wheel, the output inner gear and the output planet wheel, has a simple structure, is stable in power transmission, and can effectively reduce the slippage problem of the cleaning brush during working.

In the rotary cleaning brush, the front end of the speed reduction assembly is fixedly connected with the output planet carrier, the output planet wheel is rotatably arranged on the output planet carrier, and the rear part of the output internal gear is sleeved on the outer side of the output planet carrier.

The design of the output planet carrier can ensure that the position of the output planet wheel is fixed during working, the output planet wheel only plays a role in transmitting the rotation of the output sun wheel to the output internal gear, and the output sun wheel and the output internal gear rotate in opposite directions, so that the inner ring brush head and the outer ring brush head can rotate in opposite directions.

In the rotary cleaning brush, the diameter of the top circle of the output planet wheel is smaller than that of the output sun wheel, the number of the output planet wheels is more than four, the output planet wheel is arranged in an annular array with the central axis of the output sun wheel as the center, and the output planet carrier is provided with a containing hole for containing the output planet wheel.

The design of the output planet wheel in the rotary cleaning brush with smaller size can enable the pitch circle diameters and the tooth numbers of the output inner gear and the output sun gear to be close, so that the rotating speed of the output inner gear and the rotating speed of the output sun gear are ensured to be close, the rotating speed of the output sun gear is only slightly larger than that of the output inner gear, and the inner ring brush head and the outer ring brush head with the close rotating speeds can remarkably reduce the slippage problem of the cleaning brush during working in the rotating process.

In the rotary cleaning brush, the front side surface of the outer ring brush head is provided with the mounting groove, the groove bottom of the mounting groove is provided with the outer ring mounting hole, the inner ring brush head is arranged in the mounting groove, the rear end of the inner ring brush head is provided with the inner ring connecting part, the inner ring connecting part penetrates through the outer ring mounting hole and is circumferentially fixed with the output sun wheel, the front end of the output inner gear is provided with the outer ring connecting part, and the outer ring connecting part can be inserted into the outer ring mounting hole and is circumferentially fixed with the outer ring brush head.

The design of the mounting groove can enable the front side surfaces of the outer ring brush head and the inner ring brush head to be positioned on the same plane or be positioned on a plane relatively close to each other, so that bristles on the outer ring brush head and the inner ring brush head can be contacted with the surface of an object to be cleaned during working, and the sliding problem of the rotary cleaning brush during working is further reduced; the outer ring brush head, the mounting groove, the outer ring mounting hole, the inner ring brush head, the inner ring connecting part, the output sun wheel and the output inner gear are all coaxially arranged in the rotary cleaning brush, wherein the outer ring mounting hole is connected with the outer ring connecting part by keys, or the outer ring mounting hole and the outer ring connecting part are polygonal in shape fit, so long as the requirement that the outer ring brush head can synchronously rotate with the outer ring connecting part can be met; similarly, the inner ring connecting part and the output sun gear can be fixed by plugging or inserted pins, so long as the synchronous rotation between the inner ring connecting part and the output sun gear can be satisfied.

In the rotary cleaning brush, the inner ring connecting portion comprises a regular polygon limiting portion and a circular guiding portion, the connecting portion is arranged on the rear side of the limiting portion, the diameter of the connecting portion is smaller than or equal to that of the limiting portion inscribed circle, a limiting groove in plug-in fit with the connecting portion is formed in the front side face of the output sun gear, and a containing groove in plug-in fit with the guiding portion is formed in the groove bottom of the limiting groove.

The regular polygon limiting part and the corresponding limiting groove can realize the circumferential fixation of the inner ring brush head and the output sun gear, so that the inner ring brush head can synchronously rotate along with the output sun gear; the design of the guide part and the accommodating groove can enable the inner ring brush head to be more conveniently inserted and fixed with the output sun gear, so that the assembly is more convenient; the inner ring brush head and the outer ring brush head in the rotary cleaning brush are matched with the corresponding output sun gear and output inner gear in an inserting mode, so that the rotary cleaning brush is convenient to replace.

In the rotary cleaning brush, the speed reduction assembly comprises a shell, and a first-stage sun gear, a first-stage planet gear, a second-stage sun gear and a second-stage planet gear which are arranged in the shell, wherein a driving wheel is connected to a driving shaft of the driving motor, the driving wheel is meshed with the rear part of the first-stage sun gear, the front part of the first-stage sun gear is meshed with the first-stage planet gear, the rear end of the second-stage sun gear is fixedly provided with a first-stage planet carrier, the first-stage planet gear is rotatably arranged in the first-stage planet carrier, the rear end of the output sun gear is fixedly provided with a second-stage planet carrier, the second-stage planet gear is meshed with the second-stage sun gear and rotatably arranged in the second-stage planet carrier, and a transmission internal gear which is meshed with the first-stage planet gear and the second-stage planet gear respectively is arranged on the inner wall of the shell.

The design of the speed reduction assembly can enable the output torque of the rotary cleaning brush to be larger, so that a better cleaning effect is achieved; the above-mentioned one kind of implementation mode for the speed reduction assembly also can adopt the structure of planet wheel and sun gear of one or more series, can also adopt its reduction gear structure of common on the market, as long as can realize the purpose that reduces the rotational speed, increase output torque.

In the above-described rotary cleaning brush, a handle is mounted on the underside of the cleaning brush body.

The handle is convenient for a user to hold, so that the cleaning brush is more labor-saving and more convenient to control.

Compared with the prior art, the utility model has the technical effects that:

according to the utility model, the inner ring brush head and the outer ring brush head which rotate in opposite directions are designed, so that the sliding problem of the rotary cleaning brush in working is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present utility model.

Fig. 2 is an overall cross-sectional view of the present utility model.

Fig. 3 is a schematic exploded view of the brush head and cleaning brush body of the present utility model.

FIG. 4 is a schematic exploded view of the brush head, output sun gear, output annulus, etc. of the present utility model.

Fig. 5 is a schematic structural view of an inner ring brush head according to the present utility model.

Fig. 6 is a schematic view of the structure of the outer ring brush head of the present utility model.

Fig. 7 is a schematic structural view of an output sun gear of the present utility model.

Fig. 8 is a schematic structural view of an output internal gear of the present utility model.

Fig. 9 is a schematic diagram of the structure of the output planet and the housing of the present utility model.

In the figure, 1, a cleaning brush main body; 2. an inner ring brush head; 21. an inner ring connecting portion; 211. a limit part; 212. a guide part; 3. an outer ring brush head; 31. a mounting groove; 32. an outer ring mounting hole; 4. outputting a sun gear; 41. a limit groove; 42. a receiving groove; 5. an output internal gear; 51. an outer ring connecting part; 6. a driving motor; 61. a driving wheel; 7. a deceleration assembly; 71. an output planet carrier; 711. outputting a planet wheel; 712. an accommodation hole; 72. a first-stage sun gear; 73. a secondary sun gear; 731. a primary planet carrier; 732. a first-stage planet wheel; 74. a secondary planet carrier; 75. a second-stage planetary gear; 76. a housing; 761. a transmission internal gear; 8. a handle.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

The rotary cleaning brush comprises a cleaning brush main body 1 and a brush head, wherein a driving motor 6 and a speed reduction assembly 7 are arranged in the cleaning brush main body 1, the brush head comprises an inner ring brush head 2 and an outer ring brush head 3, the inner ring brush head 2 and the outer ring brush head 3 reversely rotate, and the driving motor 6 respectively drives the inner ring brush head 2 and the outer ring brush head 3 to rotate through the speed reduction assembly 7. The rotary cleaning brush is characterized in that the inner ring brush head 2 and the outer ring brush head 3 which rotate in opposite directions are designed, so that the sliding problem of the rotary cleaning brush in working is reduced. The front side surfaces of the inner ring brush head 2 and the outer ring brush head 3 are respectively fixed with brush hair.

Further, a gap is formed between the inner ring brush head 2 and the outer ring brush head 3. The design of the gap can enable the inner ring brush head 2 and the outer ring brush head 3 to rotate in different directions more smoothly, friction is avoided between the inner ring brush head 2 and the outer ring brush head 3, and therefore the contact surface between the inner ring brush head 2 and the outer ring brush head 3 is prevented from being worn due to friction, and the service life of the inner ring brush head 2 and the outer ring brush head 3 is prolonged, and stability in working is improved.

As shown in fig. 1 and 2, a handle 8 is installed at the lower side of the cleaning brush body 1. The handle 8 is convenient for a user to hold, so that the cleaning brush is more labor-saving and convenient to control.

As shown in fig. 2-9, the rear end of the inner ring brush head 2 is connected with an output sun gear 4, the rear end of the outer ring brush head 3 is connected with an output inner gear 5, the output inner gear 5 is sleeved outside the output sun gear 4, the output sun gear 4 is connected with the output inner gear 5 through more than one output planet gear 711, and a driving motor 6 drives the output sun gear 4 to rotate through a speed reduction assembly 7; the front end of the speed reduction assembly 7 is fixedly connected with an output planet carrier 71, an output planet wheel 711 is rotatably arranged on the output planet carrier 71, and the rear part of the output internal gear 5 is sleeved outside the output planet carrier 71; the diameter of the addendum circle of the output planet wheel 711 is smaller than that of the output sun wheel 4, the output planet wheel 711 is more than four, the output planet wheel 711 is arranged in an annular array with the central axis of the output sun wheel 4 as the center, and the output planet carrier 71 is provided with a containing hole 712 for containing the output planet wheel 711. The rotary cleaning brush realizes the reverse rotation of the inner ring brush head 2 and the outer ring brush head 3 through the output sun wheel 4, the output internal gear 5 and the output planet wheel 711, has a simple structure and stable power transmission, and can effectively reduce the slippage problem of the cleaning brush during working; the design of the output planet carrier 71 can ensure that the position of the output planet wheel 711 is fixed during working, the output planet wheel 711 only plays a role of transmitting the rotation of the output sun wheel 4 to the output internal gear 5, and realizes the opposite rotation of the output sun wheel 4 and the output internal gear 5, so that the inner ring brush head 2 and the outer ring brush head 3 can rotate in opposite directions; the design of the output planet wheel 711 in the rotary cleaning brush with smaller size can enable the pitch circle diameters and the tooth numbers of the output inner gear 5 and the output sun gear 4 to be close, so that the rotating speeds of the output inner gear 5 and the output sun gear 4 are ensured to be close, the rotating speed of the output sun gear 4 is only slightly larger than that of the output inner gear 5, and the inner ring brush head 2 and the outer ring brush head 3 with the close rotating speeds can remarkably reduce the slippage problem of the cleaning brush during working in the rotating process.

As shown in fig. 2 and fig. 5-8, a mounting groove 31 is formed in the front side surface of the outer ring brush head 3, an outer ring mounting hole 32 is formed in the bottom of the mounting groove 31, the inner ring brush head 2 is arranged in the mounting groove 31, an inner ring connecting portion 21 is arranged at the rear end of the inner ring brush head 2, the inner ring connecting portion 21 penetrates through the outer ring mounting hole 32 and is circumferentially fixed with the output sun gear 4, an outer ring connecting portion 51 is formed at the front end of the output inner gear 5, and the outer ring connecting portion 51 can be inserted into the outer ring mounting hole 32 and is circumferentially fixed with the outer ring brush head 3; the inner ring connecting portion 21 comprises a limiting portion 211 and a circular guiding portion 212, the limiting portion 211 is regular polygon-shaped, the connecting portion is arranged on the rear side of the limiting portion 211, the diameter of the connecting portion is smaller than or equal to that of an inscribed circle of the limiting portion 211, a limiting groove 41 in plug-in fit with the connecting portion is formed in the front side face of the output sun wheel 4, and a containing groove 42 in plug-in fit with the guiding portion 212 is formed in the groove bottom of the limiting groove 41.

The design of the mounting groove 31 can enable the front side surfaces of the outer ring brush head 3 and the inner ring brush head 2 to be positioned on the same plane or be positioned on a plane which is relatively close to the same plane, so that bristles on the outer ring brush head 3 and the inner ring brush head 2 can be contacted with the surface of an object to be cleaned during working, and the sliding problem of the rotary cleaning brush during working is further reduced; the outer ring brush head 3, the mounting groove 31, the outer ring mounting hole 32, the inner ring brush head 2, the inner ring connecting part 21, the output sun wheel 4 and the output inner gear 5 are all coaxially arranged in the rotary cleaning brush, wherein the outer ring mounting hole 32 and the outer ring connecting part 51 are connected in a key way, or the outer ring mounting hole 32 and the outer ring connecting part 51 are polygonal in shape fit, so long as the requirement that the outer ring brush head 3 and the outer ring connecting part 51 can synchronously rotate can be met; similarly, the inner ring connecting part 21 and the output sun gear 4 can be fixed by plugging or by bolts, so long as the synchronous rotation between the inner ring connecting part 21 and the output sun gear 4 can be satisfied; the regular polygon limiting part 211 and the corresponding limiting groove 41 can realize the circumferential fixation of the inner ring brush head 2 and the output sun gear 4, so that the inner ring brush head 2 can synchronously rotate along with the output sun gear 4; the design of the guide part 212 and the accommodating groove 42 can enable the inner ring brush head 2 to be more conveniently inserted and fixed with the output sun gear 4, so that the assembly is more convenient; the inner ring brush head 2 and the outer ring brush head 3 in the rotary cleaning brush are matched with the corresponding output sun wheel 4 and output inner gear 5 in an inserting mode, so that the rotary cleaning brush is convenient to replace.

As shown in fig. 2, 3 and 4, the speed reduction assembly 7 includes a housing 76, a primary sun gear 72, a primary planet gear 732, a secondary sun gear 73 and a secondary planet gear 75 which are installed in the housing 76, a driving wheel 61 is connected to a driving shaft of the driving motor 6, the driving wheel 61 is meshed with the rear portion of the primary sun gear 72, the front portion of the primary sun gear 72 is meshed with the primary planet gear 732, a primary planet carrier 731 is fixed at the rear end of the secondary sun gear 73, the primary planet gear 732 is rotatably installed in the primary planet carrier 731, a secondary planet carrier 74 is fixed at the rear end of the output sun gear 4, the secondary planet gear 75 is meshed with the secondary sun gear 73 and rotatably installed in the secondary planet carrier 74, and a transmission internal gear 761 meshed with the primary planet gear 732 and the secondary planet gear 75 respectively is arranged on the inner wall of the housing 76. The design of the speed reduction assembly 7 can enable the output torque of the rotary cleaning brush to be larger, so that a better cleaning effect is achieved; the above-mentioned one embodiment of the speed reducing assembly 7 may also adopt a structure of one or more stages of planetary gears and sun gears, or may adopt a structure of a common speed reducer thereof in the market, so long as the purposes of reducing the rotation speed and increasing the output torque can be achieved.

The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered by the protection scope defined by the claims.

Claims

1. The utility model provides a rotation type cleaning brush, includes cleaning brush main part (1) and brush head, be equipped with driving motor (6) and speed reduction assembly (7) in cleaning brush main part (1), its characterized in that: the brush head comprises an inner ring brush head (2) and an outer ring brush head (3), the inner ring brush head (2) and the outer ring brush head (3) reversely rotate, and the driving motor (6) respectively drives the inner ring brush head (2) and the outer ring brush head (3) to rotate through a speed reduction assembly (7).

2. A rotary cleaning brush according to claim 1, characterized in that: a gap is arranged between the inner ring brush head (2) and the outer ring brush head (3).

3. A rotary cleaning brush according to claim 1, characterized in that: the lower side of the cleaning brush main body (1) is provided with a handle (8).

4. A rotary cleaning brush according to claim 1, characterized in that: the novel brush is characterized in that the rear end of the inner ring brush head (2) is connected with an output sun gear (4), the rear end of the outer ring brush head (3) is connected with an output inner gear (5), the output inner gear (5) is sleeved on the outer side of the output sun gear (4), the output sun gear (4) is connected with the output inner gear (5) through more than one output planet gear (711), and the driving motor (6) drives the output sun gear (4) to rotate through a speed reduction assembly (7).

5. A rotary cleaning brush according to claim 4, characterized in that: the front end of the speed reduction assembly (7) is fixedly connected with an output planet carrier (71), the output planet wheel (711) is rotatably arranged on the output planet carrier (71), and the rear part of the output internal gear (5) is sleeved on the outer side of the output planet carrier (71).

6. A rotary cleaning brush according to claim 5, characterized in that: the diameter of the top circle of the output planet wheel (711) is smaller than that of the output sun wheel (4), the diameter of the output planet wheel (711) is more than four, the output planet wheel (711) is arranged in an annular array with the central axis of the output sun wheel (4) as the center, and the output planet carrier (71) is provided with a containing hole (712) for containing the output planet wheel (711).

7. A rotary cleaning brush according to claim 4, characterized in that: the novel electric brush is characterized in that a mounting groove (31) is formed in the front side face of the outer ring brush head (3), an outer ring mounting hole (32) is formed in the groove bottom of the mounting groove (31), the inner ring brush head (2) is arranged in the mounting groove (31), an inner ring connecting portion (21) is arranged at the rear end of the inner ring brush head (2), the inner ring connecting portion (21) penetrates through the outer ring mounting hole (32) and is circumferentially fixed with the output sun wheel (4), an outer ring connecting portion (51) is formed in the front end of the output inner gear (5), and the outer ring connecting portion (51) can be inserted into the outer ring mounting hole (32) and is circumferentially fixed with the outer ring brush head (3).

8. A rotary cleaning brush according to claim 7, characterized in that: the inner ring connecting portion (21) comprises a limiting portion (211) and a circular guiding portion (212), the limiting portion (211) is arranged on the rear side of the connecting portion, the diameter of the connecting portion is smaller than or equal to that of an inscribed circle of the limiting portion (211), a limiting groove (41) in plug-in fit with the connecting portion is formed in the front side face of the output sun wheel (4), and a containing groove (42) in plug-in fit with the guiding portion (212) is formed in the groove bottom of the limiting groove (41).

9. A rotary cleaning brush according to any of claims 4-8, characterized in that: the speed reduction assembly (7) comprises a shell (76) and a first-stage sun gear (72), a first-stage planet gear (732), a second-stage sun gear (73) and a second-stage planet gear (75) which are arranged in the shell (76), a driving wheel (61) is connected to a driving shaft of the driving motor (6), the driving wheel (61) is meshed with the rear part of the first-stage sun gear (72), the front part of the first-stage sun gear (72) is meshed with the first-stage planet gear (732), a first-stage planet carrier (731) is fixed at the rear end of the second-stage sun gear (73), the first-stage planet gear (732) is rotatably arranged in the first-stage planet carrier (731), a second-stage planet carrier (74) is fixed at the rear end of the output sun gear (4), the second-stage planet gear (75) is meshed with the second-stage sun gear (73) and rotatably arranged in the second-stage planet carrier (74), and a transmission inner gear (761) meshed with the first-stage planet gear (732) and the second-stage planet gear (75) respectively is arranged on the inner wall of the shell (76).