A vacuum cleaner roller brush system

Abstract

The utility model relates to a vacuum cleaner roller brush system, including a motor, a motor bracket, a transmission assembly, a bearing bracket and a roller brush rod, wherein the motor is fixedly connected to the motor bracket, and the motor drives the roller brush rod to rotate through the transmission assembly; stoppers are respectively arranged at both ends of the roller brush rod, wherein the stopper at one end of the roller brush rod is rotationally connected to the motor bracket, and the stopper at the other end of the roller brush rod is rotationally connected to the bearing bracket; anti-winding structures are respectively arranged between the stoppers at both ends of the roller brush rod and the motor bracket and the bearing bracket. The purpose of the utility model is to provide a vacuum cleaner roller brush system to prevent hair from entangled in the connection between the roller brush body and the motor.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum cleaners, in particular to a roller brush system of a vacuum cleaner. Background Art

[0002] A vacuum cleaner is a common cleaning tool in daily life. During operation, a negative pressure is generated inside the casing, thereby sucking in foreign objects on the surface being cleaned. The floor brush cleaning head is an important component of the vacuum cleaner, and its working efficiency directly affects the cleaning efficiency of the vacuum cleaner.

[0003] The cleaning head of a vacuum cleaner usually has a shell and a roller brush disposed in the shell, and the roller brush usually includes a roller brush body and bristles disposed on the roller brush body, and the bristles are usually made of flexible material. When the vacuum cleaner is working, the roller brush rotates around its axis driven by a motor, and the bristles on the roller brush clean the surface to be cleaned through the suction port of the vacuum cleaner, rolling up dust, paper scraps, foreign matter, hair, etc., and sucking them in.

[0004] After long-term use, a lot of hair will be entangled on the roller brush of the existing vacuum cleaner. If the hair is entangled with the connection between the motor and the roller brush body, the roller brush will directly fail to rotate, causing the vacuum cleaner to malfunction. Utility Model Content

[0005] The utility model aims to provide a vacuum cleaner roller brush system to prevent hair from getting entangled in the connection between the roller brush body and the motor.

[0006] In order to achieve the above object, the basic scheme of the utility model is as follows:

[0007] A vacuum cleaner roller brush system comprises a motor, a motor bracket, a transmission assembly, a bearing bracket and a roller brush rod, wherein the motor is fixedly connected to the motor bracket, and the motor drives the roller brush rod to rotate through the transmission assembly; stoppers are respectively provided at both ends of the roller brush rod, wherein the stopper at one end of the roller brush rod is rotationally connected to the motor bracket, and the stopper at the other end of the roller brush rod is rotationally connected to the bearing bracket; anti-winding structures are respectively provided between the stoppers at both ends of the roller brush rod and the motor bracket and the bearing bracket.

[0008] Compared with the prior art, the vacuum cleaner roller brush system of the present application has the following beneficial effects:

[0009] The roller brush system of the vacuum cleaner of the present application prevents hair from being entangled in the connection between the roller brush rod and the motor and the roller brush rod and the bearing by providing an anti-entanglement structure between the stoppers at both ends of the roller brush rod and the motor bracket and the bearing bracket, thereby avoiding the situation where the above-mentioned connection of the roller brush rod cannot roll due to the entanglement of hair.

[0010] Preferably, the anti-winding structure includes a first annular strip and a second annular strip respectively arranged on the motor bracket and the bearing bracket, the first annular strip and the second annular strip form a first annular groove, and the stoppers at both ends of the roller brush rod are provided with a third annular strip and a fourth annular strip, the third annular strip and the fourth annular strip form a second annular groove, and after the stoppers at both ends of the roller brush rod are respectively assembled with the motor bracket and the bearing bracket, the third annular strip is located in the first annular groove, and the second annular strip is located in the second annular groove.

[0011] Beneficial effect: Through the above technical solution, a multi-layer annular wrapping structure is formed at the connection between the roller brush rod and the motor and between the roller brush rod and the bearing, which prevents hair from getting entangled and jamming the roller brush, causing it to stop rotating.

[0012] Preferably, the stopper includes an insert cylinder, the third annular strip and the fourth annular strip are arranged on the insert cylinder, the roller brush rod is a hollow structure, and the insert cylinder is plugged into the roller brush rod; a protrusion is arranged in the fourth annular strip; the third annular strip extends toward the insert cylinder with a clamping block, the roller brush rod is provided with a strip groove, and the clamping block is clamped into the strip groove.

[0013] Beneficial effect: The above technical solution realizes the synchronous rotation of the stopper and the roller brush rod.

[0014] Preferably, a ratchet is provided between the stopper close to the motor bracket and the transmission assembly, one end of the ratchet is engaged with the transmission assembly, and the other end of the ratchet is provided with a slot, which cooperates with the protrusion.

[0015] Beneficial effect: The connection between the transmission assembly and the stopper is achieved through the above technical solution.

[0016] Preferably, the motor bracket is arranged between the transmission assembly and the roller brush rod, and the ratchet is arranged through the motor bracket; and a first bearing is arranged between the ratchet and the motor bracket.

[0017] Preferably, the transmission assembly includes a first synchronous pulley, a second synchronous pulley and a synchronous belt, the first synchronous pulley is connected to the motor, the second synchronous pulley is engaged with the ratchet, and the synchronous belt connects the first synchronous pulley and the second synchronous pulley.

[0018] Beneficial effect: The above technical solution enables the motor to drive the roller brush rod to rotate.

[0019] Preferably, the bearing bracket is provided with a buckle portion.

[0020] Beneficial effect: The buckle handle facilitates the disassembly of the roller brush rod.

[0021] Preferably, the vacuum cleaner comprises a casing, the motor, the motor bracket and the transmission assembly are arranged in the casing, a roller brush chamber is arranged at the front end of the casing, and the roller brush rod and the bearing bracket are arranged in the roller brush chamber.

[0022] Preferably, a brush rod cover is provided at the bottom of the housing, a dust suction port is provided on the brush rod cover, and the dust suction port is communicated with the roller brush chamber.

[0023] Preferably, one side of the brush rod cover is snap-connected with the casing, a buckle is provided on the other side of the brush rod cover, a slide groove is correspondingly provided at the bottom of the casing, and the buckle is slidably snap-connected with the slide groove; the brush rod cover is located between the buckle and the slide groove.

[0024] Beneficial effect: The above technical solution facilitates the disassembly or installation of the brush rod cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A schematic diagram of the structure of a roller brush system provided by an embodiment of the utility model;

[0026] Figure 2 An exploded schematic diagram of a roller brush system provided in an embodiment of the utility model;

[0027] Figure 3 A schematic top view of a roller brush system provided in an embodiment of the utility model;

[0028] Figure 4 for Figure 3 Schematic diagram of the cross section at AA;

[0029] Figure 5 for Figure 4 Enlarged view of point B in the middle;

[0030] Figure 6 for Figure 4 Enlarged view of point C in the middle;

[0031] Figure 7 A schematic diagram of the structure of the stopper provided in an embodiment of the utility model;

[0032] Figure 8 A schematic diagram of the structure of a ratchet provided in an embodiment of the utility model;

[0033] Fig. 9 A schematic diagram of the structure of a bearing bracket provided in an embodiment of the utility model;

[0034] Fig.10 An explosion diagram of a vacuum cleaner provided in an embodiment of the utility model;

[0035] Fig.11 A schematic diagram of an explosion of the bottom surface of a vacuum cleaner provided by an embodiment of the utility model;

[0036] Fig.12 for Fig.11 Enlarged schematic diagram at point D in the middle. DETAILED DESCRIPTION

[0037] The following is further described in detail through specific implementation methods:

[0038] The figure marks in the drawings of the specification include: motor 1, motor bracket 2, transmission assembly 3, bearing bracket 4, roller brush rod 5, stopper 6, first annular strip 7, second annular strip 8, first annular groove 9, third annular strip 10, fourth annular strip 11, second annular groove 12, insert tube 13, protrusion 14, block 15, strip groove 16, ratchet 17, groove 18, first bearing 19, first synchronous pulley 20, second synchronous pulley 21, synchronous belt 22, buckle hand part 23, housing 24, roller brush chamber 25, brush rod cover 26, dust suction port 27, buckle 28, slide groove 29.

[0039] As attached Figure 1-9 As shown, this embodiment shows a vacuum cleaner roller brush system, including a motor 1, a motor bracket 2, a transmission assembly 3, a bearing bracket 4 and a roller brush rod 5, wherein the motor 1 is fixedly connected to the motor bracket 2, and the motor 1 drives the roller brush rod 5 to rotate through the transmission assembly 3. Stoppers 6 are respectively provided at both ends of the roller brush rod 5, wherein the stopper 6 at one end of the roller brush rod 5 is rotationally connected to the motor bracket 2, and the stopper 6 at the other end of the roller brush rod 5 is rotationally connected to the bearing bracket 4. Anti-winding structures are respectively provided between the stoppers 6 at both ends of the roller brush rod 5 and the motor bracket 2 and the bearing bracket 4.

[0040] The roller brush system of the vacuum cleaner of this embodiment prevents hair from being entangled in the connection between the roller brush rod 5 and the motor 1 and the roller brush rod 5 and the bearing by providing an anti-entanglement structure between the stoppers 6 at both ends of the roller brush rod 5 and the motor bracket 2 and the bearing bracket 4, thereby avoiding the situation where the above-mentioned connection of the roller brush rod 5 cannot roll due to the entanglement of hair.

[0041] Among them, the anti-winding structure includes a first annular strip 7 and a second annular strip 8 respectively arranged on the motor bracket 2 and the bearing bracket 4, the first annular strip 7 and the second annular strip 8 form a first annular groove 9, and the stoppers 6 at both ends of the roller brush rod 5 are provided with a third annular strip 10 and a fourth annular strip 11, the third annular strip 10 and the fourth annular strip 11 form a second annular groove 12. After the stoppers 6 at both ends of the roller brush rod 5 are respectively assembled with the motor bracket 2 and the bearing bracket 4, the third annular strip 10 is located in the first annular groove 9, and the second annular strip 8 is located in the second annular groove 12.

[0042] Through the above-mentioned arrangement, this embodiment forms a multi-layer annular wrapping structure at the connection between the roller brush rod 5 and the motor 1 and between the roller brush rod 5 and the bearing, which increases the difficulty of hair being rolled in and prevents the hair from being rolled in and jamming the rotational connections of the stoppers 6 at both ends with the motor bracket 2 and the bearing bracket 4 respectively.

[0043] The stopper 6 includes an inserting tube 13, a third annular strip 10 and a fourth annular strip 11 are arranged on the inserting tube 13, the roller brush rod 5 is a hollow structure, and the inserting tube 13 is plugged into the roller brush rod 5. A protrusion 14 is arranged in the fourth annular strip 11; a clamping block 15 is extended from the third annular strip 10 toward the inserting tube 13, and a strip groove 16 is arranged on the roller brush rod 5, and the clamping block 15 is clamped into the strip groove 16.

[0044] In the above structure, the stopper 6 is plugged into the roller brush rod 5 through the inserting tube 13, and the clamping block 15 is clamped into the strip groove 16, so that the rotation of the stopper 6 can drive the roller brush rod 5 to rotate.

[0045] A ratchet 17 is provided between the stopper 6 near the motor bracket 2 and the transmission assembly 3, one end of the ratchet 17 is engaged with the transmission assembly 3, and a slot 18 is provided at the other end of the ratchet 17, the slot 18 cooperates with the protrusion 14, and the ratchet 17 is connected to the stopper 6 through the cooperation of the slot 18 and the protrusion 14. The transmission assembly 3 of this embodiment drives the stopper 6 near the motor bracket 2 to rotate through the ratchet 17. The stopper 6 further drives the roller brush rod 5 to rotate.

[0046] Specifically, the motor bracket 2 is arranged between the transmission assembly 3 and the roller brush rod 5, and the ratchet 17 is arranged through the motor bracket 2. A first bearing 19 is arranged between the ratchet 17 and the motor bracket 2.

[0047] Among them, the transmission assembly 3 includes a first synchronous pulley 20, a second synchronous pulley 21 and a synchronous belt 22, the first synchronous pulley 20 is connected to the motor 1, the second synchronous pulley 21 is engaged with the ratchet 17, and the synchronous belt 22 connects the first synchronous pulley 20 and the second synchronous pulley 21.

[0048] In some embodiments, in order to facilitate the disassembly of the roller brush rod 5 , a buckle portion 23 is provided on the bearing bracket 4 .

[0049] like Figure 10-12 As shown, in another embodiment, a vacuum cleaner is shown, which includes the above-mentioned housing 24, the motor 1, the motor bracket 2 and the transmission assembly 3 are arranged in the housing 24, the front end of the housing 24 is provided with a roller brush chamber 25, and the roller brush rod 5 and the bearing bracket 4 are arranged in the roller brush chamber 25. A brush rod cover 26 is provided at the bottom of the housing 24, and a dust suction port 27 is provided on the brush rod cover 26, and the dust suction port 27 is communicated with the roller brush chamber 25.

[0050] The motor 1 drives the roller brush rod 5 to rotate in the roller brush chamber 25 through the transmission assembly 3, and dust enters the roller brush chamber 25 from the dust suction port 27 at the bottom of the housing 24.

[0051] One side of the brush rod cover 26 is engaged with the housing 24, and a buckle 28 is provided on the other side of the brush rod cover 26. A slide groove 29 is correspondingly provided at the bottom of the housing 24, and the buckle 28 is slidably engaged with the slide groove 29; the brush rod cover 26 is located between the buckle 28 and the slide groove 29. If the brush rod cover 26 is to be removed, the buckle 28 can be removed by simply pushing the buckle 28 to disengage the buckle 28 from the slide groove 29. This arrangement facilitates the disassembly and assembly of the brush rod cover 26.

[0052] The above is only an embodiment of the utility model, and the common knowledge such as the known specific structure and characteristics in the scheme is not described in detail here. It should be pointed out that for those skilled in the art, several deformations and improvements can be made without departing from the structure of the utility model, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A vacuum cleaner roller brush system, characterized in that: The invention comprises a motor (1), a motor bracket (2), a transmission assembly (3), a bearing bracket (4) and a roller brush rod (5), wherein the motor (1) is fixedly connected to the motor bracket (2), and the motor (1) drives the roller brush rod (5) to rotate through the transmission assembly (3); stoppers (6) are respectively arranged at both ends of the roller brush rod (5), wherein the stopper (6) at one end of the roller brush rod (5) is rotationally connected to the motor bracket (2), and the stopper (6) at the other end of the roller brush rod (5) is rotationally connected to the bearing bracket (4); and anti-winding structures are respectively arranged between the stoppers (6) at both ends of the roller brush rod (5) and the motor bracket (2) and the bearing bracket (4).

2. A vacuum cleaner roller brush system according to claim 1, characterized in that: The anti-winding structure comprises a first annular strip (7) and a second annular strip (8) respectively arranged on the motor bracket (2) and the bearing bracket (4), wherein the first annular strip (7) and the second annular strip (8) form a first annular groove (9), and the stoppers (6) at both ends of the roller brush rod (5) are provided with a third annular strip (10) and a fourth annular strip (11), wherein the third annular strip (10) and the fourth annular strip (11) form a second annular groove (12), and after the stoppers (6) at both ends of the roller brush rod (5) are respectively assembled with the motor bracket (2) and the bearing bracket (4), the third annular strip (10) is located in the first annular groove (9), and the second annular strip (8) is located in the second annular groove (12).

3. A vacuum cleaner roller brush system according to claim 2, characterized in that: The stopper (6) comprises an insert cylinder (13), the third annular strip (10) and the fourth annular strip (11) are arranged on the insert cylinder (13), the roller brush rod (5) is a hollow structure, and the insert cylinder (13) is plugged into the roller brush rod (5); a protrusion (14) is arranged in the fourth annular strip (11); the third annular strip (10) is provided with a clamping block (15) extending in the direction of the insert cylinder (13), the roller brush rod (5) is provided with a strip groove (16), and the clamping block (15) is clamped into the strip groove (16).

4. A vacuum cleaner roller brush system according to claim 3, characterized in that: A ratchet (17) is provided between the stopper (6) close to the motor bracket (2) and the transmission assembly (3); one end of the ratchet (17) is engaged with the transmission assembly (3); and a slot (18) is provided at the other end of the ratchet (17); the slot (18) cooperates with the protrusion (14).

5. A vacuum cleaner roller brush system according to claim 4, characterized in that: The motor bracket (2) is arranged between the transmission assembly (3) and the roller brush rod (5), and the ratchet (17) is arranged through the motor bracket (2); a first bearing (19) is arranged between the ratchet (17) and the motor bracket (2).

6. A vacuum cleaner roller brush system according to claim 4 or 5, characterized in that: The transmission assembly (3) comprises a first synchronous pulley (20), a second synchronous pulley (21) and a synchronous belt (22); the first synchronous pulley (20) is connected to the motor (1); the second synchronous pulley (21) is engaged with the ratchet (17); and the synchronous belt (22) connects the first synchronous pulley (20) and the second synchronous pulley (21).

7. The roller brush system for a vacuum cleaner according to claim 1, characterized in that: The bearing support (4) is provided with a grip portion (23).

8. The roller brush system for a vacuum cleaner according to claim 1, characterized in that: The vacuum cleaner comprises a casing (24), the motor (1), the motor bracket (2) and the transmission assembly (3) being arranged in the casing (24), a roller brush chamber (25) being arranged at the front end of the casing (24), and the roller brush rod (5) and the bearing bracket (4) being arranged in the roller brush chamber (25).

9. A vacuum cleaner roller brush system according to claim 8, characterized in that: A brush rod cover (26) is arranged at the bottom of the housing (24), a dust suction port (27) is provided on the brush rod cover (26), and the dust suction port (27) is communicated with the roller brush chamber (25).

10. A vacuum cleaner roller brush system according to claim 9, characterized in that: One side of the brush rod cover (26) is snap-connected with the housing (24); a buckle (28) is provided on the other side of the brush rod cover (26); a slide groove (29) is correspondingly provided at the bottom of the housing (24); the buckle (28) is slidably snap-connected with the slide groove (29); and the brush rod cover (26) is located between the buckle (28) and the slide groove (29).

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