CN219323518U

CN219323518U - Rotary electric toothbrush head structure

Info

Publication number: CN219323518U
Application number: CN202223550382.4U
Authority: CN
Inventors: 张锋; 李冬保
Original assignee: Ruishengte Technology Shenzhen Co ltd
Current assignee: Ruishengte Technology Shenzhen Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-07-11
Anticipated expiration: 2032-12-26

Abstract

The utility model relates to the technical field of electric toothbrushes, and discloses a rotary electric toothbrush head structure, which comprises: the brush comprises a brush head shell, a brush disc and a brush head connecting rod, wherein the brush disc is rotationally connected with the brush head shell, the brush head connecting rod is installed in the brush head shell, the brush head connecting rod is provided with a driving end embedded in the brush disc, the driving end is used for stirring the brush disc to rotate, a first limiting block used for limiting the rotating stroke of the brush disc is arranged on the inner wall of the brush head shell, and a first limiting groove matched with the first limiting block is formed in the brush disc. The brush head connecting rod is provided with the driving end embedded in the brush disc, the driving end drives the brush disc to rotate, and the brush disc is rotationally connected with the brush head shell, so that the rotary electric toothbrush brush head structure is provided, a hardware shaft is not required to be installed, the structure is simplified, and the manufacturing cost is reduced.

Description

Rotary electric toothbrush head structure

Technical Field

The utility model relates to the technical field of electric toothbrushes, in particular to a brush head structure of a rotary electric toothbrush.

Background

In the prior art, a traditional rotary electric toothbrush head is inserted into an eccentric wheel through a motor shaft to drive a brush disc to rotate. However, by adopting the above installation mode, the hardware shaft and the shaft sleeve are required to be arranged, so that the structure of the electric toothbrush head is complex, and the manufacturing cost is high.

Therefore, how to provide a structure of a rotary electric toothbrush head to simplify the structure and reduce the manufacturing cost is a technical problem to be solved.

Disclosure of Invention

The utility model aims to provide a rotary electric toothbrush head structure which is capable of simplifying the structure and reducing the manufacturing cost.

To this end, according to a first aspect, an embodiment of the present utility model discloses a rotary electric toothbrush head structure comprising: the brush comprises a brush head shell, a brush disc and a brush head connecting rod, wherein the brush disc is rotationally connected with the brush head shell, the brush head connecting rod is installed in the brush head shell, the brush head connecting rod is provided with a driving end embedded in the brush disc, the driving end is used for stirring the brush disc to rotate, a first limiting block used for limiting the rotating stroke of the brush disc is arranged on the inner wall of the brush head shell, and a first limiting groove matched with the first limiting block is formed in the brush disc.

The utility model is further arranged that the first limiting block is provided with an installation inclined plane for conveniently installing the brush disc on the brush head shell.

The utility model is further provided that the number of the first limiting blocks and the number of the first limiting grooves are two, and the two first limiting blocks are relatively distributed in the brush head shell.

The utility model further provides that the first limiting block and the brush head shell are of an integrated structure.

The utility model is further characterized in that a mounting circular table is arranged in the brush head shell, one end of the brush disc is provided with a rotating groove matched with the mounting circular table, and the rotating groove is communicated with the side wall of the brush disc.

The utility model further provides that the installation round table and the brush head shell are of an integrated structure.

The utility model is further arranged that the driving end is provided with a convex column, and the brush head shell is internally provided with a mounting groove matched with the convex column.

The utility model is further arranged that a decorative ring is arranged at one end of the brush head shell relative to the brush disc.

The brush head connecting rod is further provided with a second limiting block at one end close to the decorative ring, and the decorative ring is provided with a second limiting boss in limiting fit with the second limiting block.

The utility model further provides that the decorative ring is clamped with the brush head shell.

The utility model has the following beneficial effects: the brush head connecting rod is provided with the driving end embedded in the brush disc, the driving end drives the brush disc to rotate, and the brush disc is rotationally connected with the brush head shell, so that the rotary electric toothbrush brush head structure is provided, a hardware shaft is not required to be installed, the structure is simplified, and the manufacturing cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a brush head structure of a rotary electric toothbrush according to the present embodiment;

FIG. 2 is one of the schematic exploded views of a rotary electric toothbrush head structure according to the present disclosure;

FIG. 3 is a schematic diagram showing an exploded view of a brush head structure of a rotary electric toothbrush according to the second embodiment;

FIG. 4 is a schematic front view of a rotary electric toothbrush head structure according to the present disclosure;

FIG. 5 is a schematic view of the cross-sectional structure A-A of FIG. 4;

FIG. 6 is a schematic view of the cross-sectional B-B structure of FIG. 4;

fig. 7 is a schematic perspective view of a brush head housing in a rotary electric toothbrush brush head structure according to the present embodiment.

Reference numerals: 10. a brush head housing; 11. a first limiting block; 111. a mounting inclined plane; 12. installing a round table; 13. a mounting groove; 20. brushing a disc; 21. a first limit groove; 22. a rotating groove; 30. a brush head connecting rod; 31. a driving end; 32. a convex column; 33. a second limiting block; 40. a decorative ring; 41. and the second limiting boss.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, or can be communicated inside the two components, or can be connected wirelessly or in a wired way. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

The embodiment of the utility model discloses a rotary electric toothbrush head structure, as shown in figures 1-7, comprising: the brush head comprises a brush head shell 10, a brush disc 20 and a brush head connecting rod 30, wherein the brush disc 20 is rotationally connected with the brush head shell 10, the brush head connecting rod 30 is installed in the brush head shell 10, the brush head connecting rod 30 is provided with a driving end 31 embedded in the brush disc 20, the driving end 31 is used for stirring the brush disc 20 to rotate, the inner wall of the brush head shell 10 is provided with a first limiting block 11 used for limiting the rotating stroke of the brush disc 20, and the brush disc 20 is provided with a first limiting groove 21 matched with the first limiting block 11. In the specific implementation, the brush disc 20 is provided with a plurality of bristles, and the brush head connecting rod 30 is connected with a motor shaft of the electric toothbrush to provide driving power for the driving end 31 through rotation of the motor shaft.

It should be noted that, the brush head connecting rod 30 is provided with the driving end 31 embedded in the brush disc 20, the driving end 31 drives the brush disc 20 to rotate, and the brush disc 20 is rotationally connected with the brush head shell 10, so that a rotary electric toothbrush brush head structure is provided, a hardware shaft is not required to be installed, the structure is simplified, and the manufacturing cost is reduced.

As shown in fig. 2 and 5, the first stopper 11 is provided with a mounting slope 111 for facilitating the mounting of the brush plate 20 to the brush head housing 10.

As shown in fig. 2 and 5, the number of the first limiting blocks 11 and the first limiting grooves 21 is two, and the two first limiting blocks 11 are relatively distributed in the brush head casing 10. It should be noted that, by rotating the driving end 31, the brush disc 20 is stirred to rotate, and the first limiting block 11 is matched with the first limiting groove 21 in a limiting manner, and then the brush disc 20 is driven to rotate back and forth left and right by the forward and reverse rotation of the motor shaft.

As shown in fig. 3 and 7, the first limiting block 11 and the brush head housing 10 are integrally formed.

As shown in fig. 2, 3 and 7, a mounting circular table 12 is arranged in the brush head housing 10, one end of the brush disk 20 is provided with a rotating groove 22 matched with the mounting circular table 12, and the rotating groove 22 is communicated with the side wall of the brush disk 20. The brush plate 20 is rotated in the brush head housing 10 by the rotary fit of the circular table 12 and the rotary groove 22.

As shown in fig. 2, 3 and 7, the mounting boss 12 and the brush head housing 10 are integrally formed.

As shown in fig. 2, 3 and 7, the driving end 31 is provided with a protrusion 32, and the brush head housing 10 is provided with a mounting groove 13 adapted to the protrusion 32. It should be noted that, through the adaptation of projection 32 and mounting groove 13, the connection spacing is conveniently carried out to brush head connecting rod 30.

As shown in fig. 1-3, the end of the brush head housing 10 opposite the brush plate 20 is fitted with a decorative ring 40.

As shown in fig. 2 and 3, a second limiting block 33 is disposed at one end of the brush head connecting rod 30 near the decorative ring 40, and a second limiting boss 41 in limiting fit with the second limiting block 33 is disposed on the decorative ring 40. It should be noted that, through the limit cooperation of the second limit block 33 and the second limit boss 41, the rotation stroke of the brush head connecting rod 30 is conveniently limited.

As shown in fig. 1-3, the decorative ring 40 is snapped into engagement with the brushhead housing 10.

Working principle: the brush head connecting rod 30 is provided with the driving end 31 embedded in the brush disc 20, the driving end 31 drives the brush disc 20 to rotate, and the brush disc 20 is rotationally connected with the brush head shell 10, so that the rotary electric toothbrush brush head structure is provided, a hardware shaft is not required to be installed, the structure is simplified, and the manufacturing cost is reduced.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. A rotary electric toothbrush head structure, comprising: brush first shell (10), brush dish (20) and brush first connecting rod (30), brush dish (20) with brush first shell (10) rotates to be connected, brush first connecting rod (30) install in brush first shell (10), brush first connecting rod (30) are equipped with the embedding drive end (31) in brush dish (20), drive end (31) are used for stirring brush dish (20) are rotatory, the inner wall of brush first shell (10) is equipped with and is used for right the rotatory stroke of brush dish (20) carries out spacing first stopper (11), brush dish (20) seted up with first spacing groove (21) of first stopper (11) adaptation.

2. The brush head structure of a rotary electric toothbrush according to claim 1, characterized in that the first stopper (11) is provided with a mounting slope (111) for facilitating the mounting of the brush plate (20) to the brush head housing (10).

3. The brush head structure of a rotary electric toothbrush according to claim 1, wherein the number of the first limiting blocks (11) and the number of the first limiting grooves (21) are two, and the two first limiting blocks (11) are relatively distributed in the brush head housing (10).

4. A rotary electric toothbrush head structure as recited in any one of claims 1-3, characterized in that the first stopper (11) is of unitary construction with the head housing (10).

5. The rotary electric toothbrush head structure according to claim 1, characterized in that a mounting circular table (12) is arranged in the brush head shell (10), one end of the brush disc (20) is provided with a rotary groove (22) matched with the mounting circular table (12), and the rotary groove (22) is communicated with the side wall of the brush disc (20).

6. The rotary electric toothbrush head structure of claim 5, wherein the mounting boss (12) is integrally formed with the head housing (10).

7. A rotary electric toothbrush head structure according to any one of claims 1-3 or 5 or 6, characterized in that the driving end (31) is provided with a protruding column (32), and the brush head housing (10) is internally provided with a mounting groove (13) adapted to the protruding column (32).

8. The rotary electric toothbrush head structure of claim 1, wherein the head housing (10) is mounted with a decorative ring (40) with respect to one end of the brush plate (20).

9. The rotary electric toothbrush head structure according to claim 8, wherein a second limiting block (33) is arranged at one end of the brush head connecting rod (30) close to the decorative ring (40), and a second limiting boss (41) in limiting fit with the second limiting block (33) is arranged on the decorative ring (40).

10. The rotary electric toothbrush head structure of claim 8 or 9, wherein the decorative ring (40) is snapped into engagement with the head housing (10).