CN216453867U - Brush head with positive and negative rotation structure and cleaning brush thereof - Google Patents

Abstract

The utility model relates to the technical field of household appliances, in particular to a brush head with a positive and negative rotation structure and a cleaning brush thereof, which comprises a body, an inner brush head, a transmission gear and an outer brush head, wherein the body is provided with a power head and an installation surface, the inner brush head is fixed on the power head, the bottom surface of the inner brush head is abutted to the installation surface, the excircle of the inner brush head is provided with inner brush teeth, the outer brush head is annular and is rotatably arranged on the inner brush head, the inner circle of the outer brush head is provided with outer brush teeth, the installation surface is fixedly provided with a positioning pin, the transmission gear is rotatably arranged on the positioning pin, the outer teeth of the transmission gear are simultaneously meshed with the inner brush teeth and the outer brush teeth, the working surface of the brush head rotates in two directions by arranging the inner brush head and the outer brush head, the balance of friction force can be generated during the use, the brush head is prevented from being thrown away from a cleaning surface by the unbalanced friction force, and the cleaning brush is convenient to hold the cleaning brush, the use comfort and the cleaning effect are improved.

Description

Brush head with positive and negative rotation structure and cleaning brush thereof

Technical Field

The utility model relates to the technical field of household appliances, in particular to a brush head with a forward and reverse rotating structure and a cleaning brush thereof.

Background

The brush head of a common electric cleaning brush rotates in a single direction, when the electric cleaning brush is used, friction force is generated between the brush head of the cleaning brush and a cleaning surface, the holding force of a handle of the cleaning brush is large, and fatigue is easy to occur. And when the brush head part of the cleaning brush is contacted with the cleaning surface, the brush head of the cleaning brush is easy to separate from the cleaning surface due to the eccentric force, so that the common cleaning brush is laborious to use, and the brush head is not easy to keep attached to the cleaning surface, which is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior problems, the utility model provides a brush head with a forward and reverse rotating structure and a cleaning brush thereof.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a brush head of structure is just reversing, includes body, interior brush head, drive gear and outer brush head, be equipped with unit head and installation face on the body, interior brush head is fixed on the power head, the bottom surface butt installation face of interior brush head, be equipped with interior brush tooth on the excircle of interior brush head, outer brush head is cyclic annular, and rotates and install in interior brush overhead, is equipped with outer brush tooth on its interior circle, the fixed locating pin that is equipped with on the installation face, drive gear is installed in rotating on the locating pin, drive gear's external tooth simultaneously with interior brush tooth and outer brush tooth meshing.

Specifically, through setting up interior brush head and outer brush head, brush head is rotatory in the drive through the unit head to drive gear reversal, drive gear drives outer brush head reversal, and interior brush head and outer brush head do the rotation of opposite direction simultaneously.

According to another embodiment of the utility model, the lower end of the inner brush head is provided with a mounting hole matched with the power head, the power head is provided with a clamping block, a clamping groove matched with the clamping block is arranged in the mounting hole, and the clamping block is fixed in the clamping groove. Through setting up fixture block and draw-in groove, make things convenient for the dismouting of brush head, be convenient for assembly and washing.

According to another embodiment of the utility model, the power head is a hexagonal head, the mounting hole is a hexagonal hole, the clamping block is a circular convex point, and the clamping groove is a ball groove.

According to another embodiment of the utility model, the mounting surface is symmetrically provided with two positioning pins, and two transmission gears are correspondingly arranged on the mounting surface. Through the arrangement of the two transmission gears, the outer brush head can be stressed evenly, meshing gaps among the inner brush head, the outer brush head and teeth of the transmission gears are kept, and the brush head is ensured to work stably.

According to another embodiment of the utility model, the outer circle of the inner brush head is provided with a ring groove, the inner circle of the outer brush teeth is provided with at least three convex blocks matched with the ring groove, and the convex blocks are sleeved in the ring groove. Through setting up lug and annular, make things convenient for the dismouting of brush head, be convenient for assembly and washing.

According to another embodiment of the present invention, it is further included that the inner brush head includes an inner base plate and an inner brush, the inner brush being fixed to the inner base plate, and the outer brush head includes an outer base plate and an outer brush, the outer brush being fixed to the outer base plate. The inner brush head and the outer brush head are designed to be of split structures, so that different materials can be conveniently used for the base body and the bristles, the outer chassis and the inner chassis can be made of plastic materials, and the inner brush and the outer brush can be made of silica gel materials, so that the adaptability of brushing work is improved.

According to another embodiment of the utility model, the power head further comprises a motor and a speed reducer which are arranged in the body, and the output end of the speed reducer is connected with the power head.

A cleaning brush comprises the brush head with the positive and negative rotation structure, and a handle is further fixed on the body.

The utility model has the advantages that the working surface of the brush head rotates in two directions by arranging the inner brush head and the outer brush head, so that the balance of friction force can be generated when the brush head is used, the brush head is prevented from being thrown away from a cleaning surface by the unbalanced friction force, the holding of the cleaning brush is convenient, and the use comfort and the cleaning effect are improved.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is an exploded elevational view of a brush head;

FIG. 2 is an exploded view of the brushhead portion assembly;

FIG. 3 is a cross-sectional view of the brushhead portion assembly;

FIG. 4 is an enlarged view at X in FIG. 3;

fig. 5 is a schematic view of the structure of the cleaning brush.

In the figure, a body 1, a power head 101, a positioning pin 102, a fixture block 103, a mounting surface 104, an inner brush head 2, inner brush teeth 201, an inner brush 202, a mounting hole 203, a ring groove 204, an inner bottom disc 205, a clamping groove 206, a transmission gear 3, an outer brush head 4, outer brush teeth 401, an outer brush 402, a lug 403, an outer bottom disc 404 and a handle 5.

Detailed Description

As shown in fig. 1-5, which are schematic structural diagrams of the present invention, a brush head with a forward and reverse rotation structure comprises a body 1, an inner brush head 2, a transmission gear 3 and an outer brush head 4, wherein the body 1 is provided with a power head 101 and an installation surface 104, the inner brush head 2 is fixed on the power head 101, the bottom surface of the inner brush head 2 is abutted to the installation surface 104, an inner brush tooth 201 is arranged on the outer circle of the inner brush head 2, the outer brush head 4 is annular and is rotatably installed on the inner brush head 2, an outer brush tooth 401 is arranged on the inner circle of the outer brush head 2, a positioning pin 102 is fixedly arranged on the installation surface 104, the transmission gear 3 is rotatably installed on the positioning pin 102, and the outer tooth of the transmission gear 3 is simultaneously engaged with the inner brush tooth 201 and the outer brush tooth 401.

The inner brush head 2 may be secured to the power head 101 by screws. The inner brush head 2, the transmission gear 3 and the outer brush head 4 can be made of plastic materials.

Preferably, the lower end of the inner brush head 2 is provided with a mounting hole 203 matched with the power head 101, the power head 101 is provided with a clamping block 103, a clamping groove 206 matched with the clamping block 103 is arranged in the mounting hole 203, and the clamping block 103 is fixed in the clamping groove 206. The power head 101 may be a cylinder with a flat surface, or a triangular head or a square head.

Preferably, the power head 101 is a hexagonal head, the mounting hole 203 is a hexagonal hole, the fixture block 103 is a circular convex point, and the clamping groove 206 is a ball groove.

Preferably, two positioning pins 102 are symmetrically arranged on the mounting surface 104, and two transmission gears 3 are correspondingly arranged.

Preferably, an annular groove 204 is formed in the outer circle of the inner brush head 2, a protruding block 403 is arranged on the inner circle of the outer brush teeth 401 and matched with the annular groove 204, and the number of the protruding blocks 403 is at least three and the protruding blocks are sleeved in the annular groove 204.

Preferably, the inner brush head 2 includes an inner chassis 205 and an inner brush 202, the inner brush 202 is fixed to the inner chassis 205, the outer brush head 4 includes an outer chassis 404 and an outer brush 402, and the outer brush 402 is fixed to the outer chassis 404. The inner chassis 205 and the outer chassis 404 may be made of plastic, the inner brush 202 and the outer brush 402 may be made of silica gel, and the inner brush 202 and the outer brush 402 are respectively fixed on the inner chassis 205 and the outer chassis 404 by two-step molding.

Preferably, a motor and a speed reducer are arranged in the body 1, and the output end of the speed reducer is connected with the power head 101.

A cleaning brush comprising the brush head with the forward and reverse rotation structure is characterized in that a handle 5 is further fixed on the body 1. The handle 5 may be a straight shank.

The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims (8)

1. The utility model provides a brush head of structure just reversing, characterized by, includes body (1), interior brush head (2), drive gear (3) and outer brush head (4), be equipped with unit head (101) and installation face (104) on body (1), interior brush head (2) are fixed on unit head (101), the bottom surface butt installation face (104) of interior brush head (2), be equipped with interior brush tooth (201) on the excircle of interior brush head (2), outer brush head (4) are cyclic annular, and rotate and install including on brush head (2), are equipped with outer brush tooth (401) on its interior circle, fixed locating pin (102) that are equipped with on installation face (104), rotate on locating pin (102) and install drive gear (3), the external tooth of drive gear (3) simultaneously with interior brush tooth (201) and outer brush tooth (401) meshing.

2. The brush head with the positive and negative rotation structure according to claim 1, wherein the lower end of the inner brush head (2) is provided with a mounting hole (203) matched with the power head (101), the power head (101) is provided with a clamping block (103), a clamping groove (206) matched with the clamping block (103) is arranged in the mounting hole (203), and the clamping block (103) is fixed in the clamping groove (206).

3. The brush head with the positive and negative rotation structure according to claim 2, wherein the power head (101) is a hexagonal head, the mounting hole (203) is a hexagonal hole, the clamping block (103) is a circular convex point, and the clamping groove (206) is a spherical groove.

4. The brush head with the positive and negative rotation structure as claimed in claim 1, wherein the mounting surface (104) is symmetrically provided with two positioning pins (102) and correspondingly provided with two transmission gears (3).

5. The brush head of the positive and negative rotation structure of claim 1, wherein the outer circle of the inner brush head (2) is provided with a ring groove (204), the inner circle of the outer brush teeth (401) is provided with at least three protrusions (403) matching with the ring groove (204), and the protrusions (403) are sleeved in the ring groove (204).

6. The brush head with the positive and negative rotation structure as claimed in claim 1, wherein the inner brush head (2) comprises an inner chassis (205) and an inner brush (202), the inner brush (202) is fixed on the inner chassis (205), the outer brush head (4) comprises an outer chassis (404) and an outer brush (402), and the outer brush (402) is fixed on the outer chassis (404).

7. The brush head with the positive and negative rotation structure as claimed in claim 1, wherein a motor and a speed reducer are arranged in the body (1), and the output end of the speed reducer is connected with the power head (101).

8. A cleaning brush comprising a brush head with a forward and backward rotation structure as claimed in claim 1, wherein a handle (5) is further fixed on the body (1).

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