CN214180676U - Electric toothbrush and brush head connecting structure thereof - Google Patents

Abstract

The utility model discloses an electric toothbrush and first connection structure of brush thereof, wherein, first connection structure of brush includes connector and rigid connecting strip, and connector one end is used for the stopper to connect in the brush head, and its other end is connected in shock dynamo's output shaft, and the middle part that shock dynamo one end was kept away from to the connector has seted up the draw-in groove along its axial, and the one end of connecting strip is used for the stopper to connect and is fixed in first inner wall of brush, and its another end connects and is fixed in the draw-in groove. In the utility model, on one hand, the connecting strip is plugged in the brush head, so that the tensile strength of the brush head can be enhanced, and the diameter of the brush head can be reduced on the basis of ensuring that the brush head has certain tensile strength, thereby facilitating the comfort of users; on the other hand, connecting strip one end is fixed in the brush head, and its other end is fixed in the draw-in groove to the realization is fixed in the brush head with the connector, is favorable to simplifying brush head structure, and then simplifies brush head production technology of moulding plastics, and reduces the assembly degree of difficulty. The utility model also relates to an electric toothbrush.

Description

Electric toothbrush and brush head connecting structure thereof

Technical Field

The utility model relates to an electric toothbrush technical field especially relates to an electric toothbrush and first connection structure of brush thereof.

Background

With the continuous development of economy and science and technology, the living standard of people is also continuously improved, and the requirements of people on toothbrushes are higher and higher; currently, electric toothbrushes are gaining increasing consumer popularity as a convenient and efficient brushing tool.

The brush head of most of the existing electric toothbrushes is connected with a vibration motor through a conical connector so as to transmit vibration to the brush head through the vibration motor, thereby realizing the cleaning of the brush head on teeth; generally, when the brush head is connected with the connector, the side wall of the connector is circumferentially provided with a convex block, and the inner wall of the brush head is provided with a groove for embedding the convex block so as to realize the fixed connection of the brush head and the connector.

In order to ensure the tensile strength of the brush head of most electric toothbrushes, the tensile strength is generally improved by increasing the diameter of the brush head, but when the electric toothbrush is used, the brush head needs to extend into the oral cavity of a user, and if the diameter of the brush head is too large, the use of the user is easily affected.

SUMMERY OF THE UTILITY MODEL

Based on this, the first and second objectives of the present invention are to provide a brush head connection structure that is beneficial to improving the comfort of the user in brushing teeth.

Another object of the present invention is to provide an electric toothbrush using the above brush head connection structure.

The utility model provides a brush head connection structure, includes the connecting strip of connector and rigidity, connector one end is used for the stopper to connect in the brush head, and its other end is connected in shock dynamo's output shaft, the middle part that shock dynamo one end was kept away from to the connector has seted up the draw-in groove along its axial, the one end of connecting strip is used for the stopper to connect and is fixed in brush first inner wall, and its another end connects and is fixed in the draw-in groove.

In the utility model, one end of the connecting strip is plugged and fixed in the clamping groove of the connecting head, the other end of the connecting strip is plugged and fixed on the inner wall of the brush head, and the connecting head is plugged and connected in the brush head, on one hand, the tensile strength of the brush head can be enhanced through plugging and connecting the connecting strip in the brush head, and then the diameter of the brush head can be reduced on the basis of ensuring that the brush head has certain tensile strength, so that the use comfort of a user is facilitated; on the other hand, connecting strip one end is fixed in the brush head, and its other end is fixed in the draw-in groove, in order to realize will the connector is fixed in the brush head, for prior art, through setting up the lug in the connector periphery, and brush first inner wall is equipped with the recess that supplies the lug embedding, will in this application the mode that the connector is fixed in the brush head is more convenient, and the assembly degree of difficulty is lower.

Preferably, the side wall of one end of the connecting strip extending into the brush head is provided with a first barb.

Preferably, the first barb is provided with a plurality of barbs along the axial direction of the connecting strip.

Preferably, the first barb extends circumferentially along the web to surround the web periphery.

Preferably, the first barb and the connecting strip are integrally formed.

Preferably, the connecting strip stretches into be equipped with the second barb on the lateral wall of the one end in the draw-in groove.

Preferably, the connecting bar is cylindrical.

Preferably, the connection strip is made of a metal material.

Preferably, the outer edge of the end of the connecting strip is provided with an inclined guide surface.

As a second aspect, the utility model also relates to an electric toothbrush, which comprises the brush head connecting structure.

Now to prior art, among the electric toothbrush, through adopting first connection structure of brush, and then can realize reducing the diameter size of brush head to improve convenience and the travelling comfort that the user brushed teeth, and enable electric toothbrush is when assembling production, and the first extraction test of brush is more stable, improves production efficiency.

For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

100. A brush head; 1. a connecting strip; 2. a connector; 3. a card slot; 4. a first barb; 5. a second barb; 6. a guide surface.

Detailed Description

The terms of orientation of up, down, left, right, front, back, top, bottom, and the like, referred to or may be referred to in this specification, are defined relative to their configuration, and are relative concepts. Therefore, it may be changed according to different positions and different use states. Therefore, these and other directional terms should not be construed as limiting terms.

The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

As shown in fig. 1 and 2, the utility model relates to a brush head connection structure, connecting strip 1 including connector 2 and rigidity, 2 one ends of connector are used for the stopper to connect in brush head 100, and its other end is connected in shock dynamo's output shaft, 2 middle parts that keep away from shock dynamo one end of connector have seted up draw-in groove 3 along its axial, the one end of connecting strip 1 is used for the stopper to connect and is fixed in brush head 100 inner wall, and its another end connects and is fixed in the draw-in groove 3, just connecting strip 1 with brush head 100 inner wall with draw-in groove 3 is interference fit.

In the utility model, one end of the connecting strip 1 is fixedly plugged in the slot 3 of the connecting head 2, the other end of the connecting strip is fixedly plugged in the inner wall of the brush head 100, and the connecting head 2 is plugged in the brush head 100, on one hand, the tensile strength of the brush head 100 can be enhanced by plugging the connecting strip 1 in the brush head 100, and then the diameter of the brush head 100 can be reduced on the basis of ensuring that the brush head 100 has a certain tensile strength, so as to facilitate the comfort of users; on the other hand, in 1 one end of connecting strip is fixed in brush head 100, its other end is fixed in draw-in groove 3, in order to realize will in connector 2 is fixed in brush head 100, for among the prior art, through setting up the lug in 2 peripheries of connector, and brush head 100 inner wall is equipped with the recess that supplies the lug embedding, will in this application connector 2 is fixed in more convenient and reliable of the mode in brush head 100, can simplify the technology of brush head 100 production of moulding plastics to the assembly degree of difficulty is lower.

The side wall of one end of the connecting strip 1 extending into the brush head 100 is provided with a first barb 4. Through the setting of first barb 4, and then make first barb 4 butt in brush head 100's inner wall, in order to strengthen connecting strip 1 and brush head 100's the steadiness of being connected, and the mode that the assembly of connecting strip 1 was fixed in brush head 100 is also comparatively simple, has improved the efficiency of equipment greatly.

Preferably, the first barbs 4 are provided in plurality along the axial direction of the connecting strip 1, so as to further improve the stability of the connection between the connecting strip 1 and the brush head 100.

Further, the first barbs 4 extend along the circumferential direction of the connecting strip 1 so as to surround the periphery of the connecting strip 1; furthermore, on the one hand, the stability of the connection of the connecting strip 1 to the brush head 100 is enhanced by increasing the area of the connection of the connecting strip 1 to the brush head 100, and on the other hand, the strength between the connecting strip 1 and the brush head 100 is enhanced to be more uniform, so that the stability of the connection between the connecting strip 1 and the brush head 100 is finally ensured.

First barb 4 with connecting strip 1 integrated into one piece to guarantee first barb 4 with steadiness between connecting strip 1, in order to guarantee the steadiness that connecting strip 1 is connected with brush head 100.

The connecting strip 1 stretches into be equipped with the second on the lateral wall of the one end in the draw-in groove 3 and fall thorn 5, in order to strengthen the connecting strip 1 with the steadiness of connecting between the connector 2.

First barb 4 with the structure of second barb 5 is the same, and both are back to the setting each other to correspond the inlay card in brush head 100 and draw-in groove 3, realize stabilizing in brush head 100 with connector 2. In this embodiment, first barb 4 with second barb 5 can be the ring shape or be the screw thread form and locate connecting strip 1 periphery, in other embodiments, first barb 4 with the mode of arranging of second barb 5 also can be pineapple line form or annular knurl line form.

In this embodiment, the connecting strip 1 is cylindrical so that the connecting strip 1 is plugged into the brush head 100, and the clamping groove 3 is a cylindrical groove so as to correspondingly supply the connecting strip 1 to be plugged into the brush head.

In this embodiment, the connecting strip 1 is made of a metal material, preferably, the connecting strip 1 is made of a steel material, and in other embodiments, the connecting strip 1 may also be made of an aluminum alloy, iron, copper, or the like, so as to improve the tensile strength of the brush head 100.

The outer edge of the end part of the connecting strip 1 is provided with an inclined guide surface 6, so that the connecting strip 1 is plugged in the brush head 100 and the clamping groove 3 conveniently, the electric toothbrush is greatly convenient to assemble, and the production efficiency is improved.

The utility model also relates to an electric toothbrush, which comprises the brush head connecting structure.

Among the electric toothbrush, through adopting first connection structure of brush, and then can realize reducing the diameter size of brush head 100 to improve convenience and the travelling comfort that the user brushed teeth, and enable electric toothbrush is when assembling production, and the test of drawing out of brush head 100 is more stable, improves production efficiency.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims (10)

1. A brush head connection structure is characterized in that: including connector and rigid connecting strip, connector one end is used for the stopper to connect in the brush head, and its other end is connected in shock dynamo's output shaft, the middle part that shock dynamo one end was kept away from to the connector has seted up the draw-in groove along its axial, the one end of connecting strip is used for the stopper to connect and is fixed in the first inner wall of brush, and its another end connects and is fixed in the draw-in groove.

2. The brush head attachment structure of claim 1, wherein: the lateral wall of one end of the connecting strip extending into the brush head is provided with a first barb.

3. The brush head attachment structure of claim 2, wherein: the first barb is followed the connecting strip axial is equipped with a plurality ofly.

4. The brush head attachment structure of claim 2, wherein: the first barb is followed connecting strip circumference extends to encircle in the connecting strip periphery.

5. The brush head attachment structure of claim 2, wherein: the first barb and connecting strip integrated into one piece.

6. The brush head connection structure according to any one of claims 1 to 5, wherein: the connecting strip stretches into be equipped with the second barb on the lateral wall of the one end in the draw-in groove.

7. The brush head connection structure according to any one of claims 1 to 5, wherein: the connecting strip is cylindrical.

8. The brush head connection structure according to any one of claims 1 to 5, wherein: the connecting strip is made of a metal material.

9. The brush head connection structure according to any one of claims 1 to 5, wherein: the outer edge of the end part of the connecting strip is provided with an inclined guide surface.

10. An electric toothbrush characterized by: comprising the brush head attachment structure of any one of claims 1 to 9.

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