CN212755965U

CN212755965U - Brush head support and electric toothbrush

Info

Publication number: CN212755965U
Application number: CN202020532287.3U
Authority: CN
Inventors: 潘刘云
Original assignee: Shenzhen Zhenwei Technology Co ltd
Current assignee: Shenzhen Zhenwei Technology Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2021-03-23
Anticipated expiration: 2030-04-10

Abstract

The utility model relates to a tooth tool technical field provides a brush head support and electric toothbrush, and wherein brush head support includes: the connecting pipe is sleeved on the vibration output shaft of the electric toothbrush and provided with a pipe orifice; the at least two supporting arms are respectively connected to two sides of the connecting pipe and extend along the direction far away from the connecting pipe, and fixing holes are formed in the supporting arms; the electric toothbrush comprises the brush head bracket and a brush head arranged on the brush head bracket; the utility model provides a brush head holder and electric toothbrush have following advantage: firstly, the connecting pipe is provided with at least two supporting arms, so that the brush head can be more stably fixed on the brush head bracket; secondly, the extending directions of the two supporting arms are opposite, the length of a supporting structure formed by the two supporting arms is longer, and the supporting force is improved; finally, the supporting arm is provided with a fixing hole, so that the stability of the brush head fixed on the brush head bracket is improved, and the possibility that the brush head is separated from the brush head bracket in the using process is reduced.

Description

Brush head support and electric toothbrush

Technical Field

The utility model relates to an electric toothbrush technical field, more specifically say, relate to a brush head support and electric toothbrush.

Background

At present, an electric toothbrush for children is available in the market, and most of a brush head bracket of the electric toothbrush is fork-shaped; the connection between the brush head bracket and the brush head is unstable, and the brush head is easy to fall off from the brush head bracket by the vibration force generated in the process of brushing teeth, so that the use is inconvenient; moreover, the loose connection between the brush head bracket and the brush head can lead to the vibration force generated by the vibration component in the handle not to be easily transmitted to the brush head, thus leading to the low tooth brushing efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a brush head support and electric toothbrush to solve the unstable technical problem of brush head support and brush head connection that exists among the prior art.

In order to achieve the above object, the utility model discloses a technical scheme is a brush head support, include:

the connecting pipe is sleeved on a vibration output shaft of the electric toothbrush and provided with a pipe orifice for inserting the vibration output shaft; and

the at least two supporting arms are respectively connected to two sides of the connecting pipe and extend along the direction far away from the connecting pipe, and fixing holes are formed in the supporting arms.

In one embodiment, the support arm extends in a direction perpendicular to the axial direction of the connection tube.

In one embodiment, the support arms are arcuate members that extend arcuately along the length of the head.

In one embodiment, one end of the connecting pipe, which is far away from the pipe orifice, is provided with a limit baffle.

In one embodiment, a fitting hole for exposing the vibration output shaft is formed in one end of the connecting pipe, which is away from the pipe orifice, and the depth direction of the fitting hole is perpendicular to the axial direction of the connecting pipe.

In one embodiment, one end of the connecting pipe close to the pipe orifice is provided with a supporting ring platform.

In one embodiment, the inner wall of the connecting pipe is provided with a limit strip extending along the axial direction.

In one embodiment, the inner wall of the connecting tube is provided with a clamping boss extending along the radial direction.

Another object of the present invention is to provide an electric toothbrush comprising the above-mentioned brush head holder and a brush head connected to the brush head holder.

The utility model provides a brush head holder and electric toothbrush's beneficial effect lies in:

firstly, the brush head is formed on the brush head bracket in one step by adopting an injection molding mode, and the connecting pipe is provided with at least two supporting arms, so that the brush head can be more stably fixed on the brush head bracket; secondly, the extending directions of the two supporting arms are opposite, the length of a supporting structure formed by the two supporting arms is longer, and the supporting force is improved; finally, the supporting arm is provided with a fixing hole, when the brush head is subjected to injection molding, the fixing hole can be filled with rubber materials for forming the brush head, and the rubber materials are stably combined with the brush head support after molding, so that the stability of the brush head fixed on the brush head support is improved, and the possibility that the brush head is separated from the brush head support in the using process is reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a perspective view of a brushhead holder according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a bristle holder provided in accordance with an embodiment of the present invention;

fig. 3 is a three-dimensional structure view of a brush head mounted on a brush head bracket provided by the embodiment of the utility model.

The figures are numbered:

1-connecting pipe; 2-a support arm; 3-fixing holes; 4-a brush head; 5-limiting baffle plates; 6-a matching hole; 11-a support ring table; 12-a limit bar; 13-clamping the boss; 14-nozzle.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected or indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention, and are not intended to indicate that a device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or as indicating a number of technical features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. The following describes the specific implementation of the present invention in more detail with reference to specific embodiments:

as shown in fig. 1 to fig. 3, an embodiment of the present invention provides a brush head support, including: a connecting pipe 1 and a supporting arm 2; the connecting pipe 1 is used for being sleeved on a vibration output shaft of the electric toothbrush, and the connecting pipe 1 is provided with a pipe orifice 14 for inserting the vibration output shaft; the quantity of support arm 2 is at least two, and support arm 2 connects respectively in the both sides of connecting pipe 1, and at least two support arms 2 extend along the direction of keeping away from connecting pipe 1, have seted up fixed orifices 3 on the support arm 2.

The assembly principle of the brush head bracket provided by the embodiment is as follows:

the brush head 4 of the embodiment is formed on the brush head support in one step by adopting an injection molding mode, the brush head support is placed in a mold to be subjected to injection molding, molten rubber is injected into the mold, the rubber avoids the inside of the connecting pipe 1, and the rubber wraps the brush head support and is filled with the fixing holes 3. After the sizing material is formed, the brush head 4 which is well combined with the brush head bracket is formed. It should be further explained that the connecting tube and the supporting arm can be integrally formed or two components can be assembled.

The beneficial effects of the brush head bracket that this embodiment provided lie in:

firstly, the brush head 4 is formed on the brush head bracket in one step by adopting an injection molding mode, and the connecting pipe 1 is provided with at least two supporting arms 2, so that the brush head 4 can be more stably fixed on the brush head bracket; secondly, the extending directions of the two supporting arms 2 are opposite, the length of a supporting structure formed by the supporting arms is longer, and the supporting force is improved; finally, the supporting arm 2 is provided with the fixing hole 3, when the brush head 4 is subjected to injection molding, the rubber material forming the brush head 4 can be filled in the fixing hole 3, and is stably combined with the brush head bracket after molding, so that the stability of the brush head 4 fixed on the brush head bracket is improved, and the possibility of the brush head 4 being separated from the brush head bracket in the using process is reduced.

In one embodiment, the support arm 2 extends in a direction perpendicular to the axial direction of the connection tube 1. In the present embodiment, the length direction of the supporting arms 2 is perpendicular to the axial direction of the connecting tube 1, so that the two supporting arms 2 are opened to provide sufficient supporting force for the brush head 4.

In one embodiment, the support arm 2 is an arcuate member that extends arcuately along the length of the head 4. In this embodiment, the shape of the head 4 is similar to the shape of the array of human teeth, and is "U" shaped, so that the arc can better conform to the shape of the head 4 to provide sufficient support.

In one embodiment, at least two fixing holes 3 are formed in the supporting arm 2, and the hole diameter between two adjacent fixing holes 3 is different. It will be appreciated that by providing at least two fixing holes 3, more fixing holes 3 can be filled with glue when the brush head 4 is formed, so as to improve the bonding force between the brush head 4 and the brush head holder.

In one embodiment, the end of the connecting tube 1 away from the nozzle 14 is provided with a limit baffle 5. In this embodiment, the limiting baffle 5 is used to limit the movement of the vibration output shaft, so as to avoid that the vibration output shaft is inserted into the connecting pipe 1 to an excessive depth, which causes the vibration output shaft to protrude out of the connecting pipe 1 to damage the brush head 4. Specifically, the limit baffle 5 is located in the axial direction of the connecting pipe 1, and is overlapped with the axial direction of the vibration output shaft, so as to limit the vibration output shaft from moving continuously in the axial direction towards the brush head 4.

In one embodiment, the end of the connecting pipe 1 away from the pipe orifice 14 is opened with a matching hole 6 for exposing the vibration output shaft, and the depth direction of the matching hole 6 is perpendicular to the axial direction of the connecting pipe 1. In this embodiment, the vibration output shaft is provided with a clamping structure matched with the brush head 4, and the clamping structure of the vibration output shaft is matched with the brush head 4 through the matching hole 6, so that the firmness of the combination of the vibration output shaft and the brush head is further increased.

In one embodiment, the two side walls of the fitting hole 6 of the connection pipe 1 are provided with fixing protrusions 15, and the fixing protrusions 15 extend away from the fitting hole 6. It will be appreciated that the fixing protrusion 15 can further improve the bonding strength between the connection tube 1 and the head 5.

In one embodiment, the end of the connection tube 1 near the orifice 14 is provided with a support ring table 11. It will be appreciated that the vibration output shaft is inserted into the connection pipe 1 through the orifice 14, the orifice 14 being located close to the connection between the connection pipe 1 and the vibration output shaft, which connection is directly subjected to the vibration forces. Thus, the thickness of the joint can be increased by providing the support ring platform 11 to increase the useful life of the bristle holder.

In one embodiment, the inner wall of the connection tube 1 is provided with a stopper strip 12 extending in the axial direction. In this embodiment, the vibration output shaft is provided with a limit structure corresponding to the limit strip 12, and the connection pipe 1 and the vibration output shaft are limited to move along the radial direction by the cooperation of the limit structure and the limit structure, so that the stability between the connection pipe 1 and the vibration output shaft is improved. Specifically, the number of the limiting strips 12 is at least two, and the limiting strips are oppositely arranged on the inner wall of the connecting pipe 1.

In one embodiment, the inner wall of the connection tube 1 is provided with a radially extending snap projection 13. Similarly, in the present embodiment, the vibration output shaft is provided with a stopper structure corresponding to the engagement boss 13, and the axial movement between the connection pipe 1 and the vibration output shaft is restricted by the engagement of the stopper structure and the vibration output shaft, thereby improving the stability between the connection pipe 1 and the vibration output shaft. Specifically, the number of the engaging bosses 13 is at least two, and the engaging bosses are oppositely disposed on the inner wall of the connecting pipe 1.

This embodiment also provides a powered toothbrush comprising the bristle holder described above and a bristle 4 attached to the bristle holder.

The electric toothbrush has the advantages of high stability and long service life.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A brush head holder, comprising:

2. The bristle holder of claim 1, wherein the support arms extend in a direction perpendicular to the axial direction of the connecting tube.

3. The bristle holder of claim 1, wherein the support arms are arcuate members that extend arcuately along the length of the head.

4. The brushhead holder of claim 1, wherein at least two of the securing apertures are provided in the support arm, the apertures between adjacent securing apertures being different.

5. The bristle holder of any one of claims 1 to 4, wherein the end of the connecting tube remote from the orifice is provided with a limit stop.

6. The brush head support according to any one of claims 1 to 4, wherein a fitting hole for exposing the vibration output shaft is opened at an end of the connecting pipe away from the nozzle, and a depth direction of the fitting hole is perpendicular to an axial direction of the connecting pipe.

7. The bristle holder of any one of claims 1 to 4, wherein the end of the connecting tube adjacent the spout is provided with a support ring stand.

8. The bristle holder of any one of claims 1 to 4, wherein the inner wall of the connecting tube is provided with a stopper strip extending in the axial direction.

9. A bristle holder according to any one of claims 1 to 4, wherein the inner wall of the connecting tube is provided with radially extending snap projections.

10. An electric toothbrush comprising a bristle holder according to any one of claims 1 to 9 and a bristle attached to the bristle holder.