CN219557628U

CN219557628U - Toothbrush head end connection structure and electric toothbrush

Info

Publication number: CN219557628U
Application number: CN202320627444.2U
Authority: CN
Inventors: 袁文举
Original assignee: Yangzhou Baogelan Oral Care Products Technology Co ltd
Current assignee: Yangzhou Baogelan Oral Care Products Technology Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-08-22
Anticipated expiration: 2033-03-27

Abstract

The utility model discloses a toothbrush head end connecting structure and an electric toothbrush, comprising a connecting rod and a toothbrush head; the tail end of the connecting rod is provided with a connecting rod base, the center of the connecting rod base is provided with a fixing hole, and the periphery of the connecting rod base is symmetrically provided with fixing seats along the axial direction of the connecting rod; two groups of elastic bulges are arranged on the connecting rod base, which is opposite to the lower part, of the fixing seat; the brush head comprises a brush hair base and brush hair, wherein the back surface of the brush hair base is provided with an annular convex wall, the brush hair base in the center of the annular convex wall is provided with a fixed rod, and the outer side of the annular convex wall is symmetrically provided with a butt joint part along the axial direction of the connecting rod; the butt joint part rotates to the lower part of the fixed seat to form extrusion fit; two groups of grooves are arranged at the bottom of the butt joint part, and the grooves are embedded and matched with the elastic protrusions. The utility model adopts the butt joint mode of the brush head base and the connecting base to replace the traditional mode of replacing the whole toothbrush head, thereby greatly reducing the use cost of users and improving the resource utilization.

Description

Toothbrush head end connection structure and electric toothbrush

Technical Field

The utility model relates to the field of oral cavity cleaning, in particular to a toothbrush head end connecting structure and an electric toothbrush.

Background

The electric toothbrush can make the brush head generate high-frequency vibration through the rapid rotation or vibration of the motor core, instantly decompose toothpaste into fine foam, deeply clean the teeth gaps, and can be widely applied to daily life.

The current electric toothbrush needs to change the toothbrush head after being used for a period of time, and the current change modes are to change the whole toothbrush head, so that the cost of the user is higher when buying, and the burden of the consumer is increased.

Disclosure of Invention

The utility model aims to provide a toothbrush head end connecting structure and an electric toothbrush, wherein the toothbrush head end connecting structure is convenient to replace.

The purpose of the utility model is realized in the following way: a toothbrush head end connection structure comprises a connecting rod and a toothbrush head;

the tail end of the connecting rod is provided with a connecting rod base, the center of the connecting rod base is provided with a fixing hole, and the periphery of the connecting rod base is symmetrically provided with fixing seats along the axial direction of the connecting rod; two groups of elastic bulges are arranged on the connecting rod base, which is right opposite to the lower part of the fixed seat;

the brush head comprises a brush hair base and brush hair, wherein an annular protruding wall is arranged on the back surface of the brush hair base, a fixing rod is arranged on the brush hair base in the center of the annular protruding wall, and butt joint parts are symmetrically arranged on the outer side of the annular protruding wall along the axial direction of the connecting rod; the butt joint part rotates to the lower part of the fixed seat to form extrusion fit; two groups of grooves are formed in the bottom of the butt joint part, and the grooves are in embedded fit with the elastic protrusions.

Preferably, the section of the fixing seat is of an inverted L shape, an abutting part is arranged on one side of the fixing seat in the anticlockwise direction, and a fixing channel is formed by the abutting part on one side of the fixing seat in the clockwise direction.

Preferably, the counter-clockwise end of the abutting portion is pointed.

Preferably, the butt joint part is made of thermoplastic polyester elastomer TPEE material, the arc-shaped size of the butt joint part is consistent with the size of the fixing seat, and the height of the butt joint part is larger than the height between the fixing seat and the connecting rod base.

Preferably, the height of the annular protruding wall is consistent with the height of the fixing seat.

Preferably, the middle part of the connecting rod is provided with an arc-shaped connecting part, and the top initial part of the arc-shaped connecting part is not in contact with the brush head base.

The electric toothbrush comprises the toothbrush head end connecting structure and is characterized by further comprising a toothbrush handle fixedly assembled with the connecting rod.

Compared with the prior art, the utility model has the following advantages:

1. the bristle base and the brush head section are designed to be detachably connected, and when the bristles are replaced, the bristle base is only required to be replaced, the whole brush head is not required to be replaced, so that the use cost of a user is reduced, and the marketization is facilitated;

2. adopt extrusion and elastic bulge's dual cooperation when the butt joint, can effectively guarantee the stability between brush head base and the brush-holder stud, avoid appearing rocking the scheduling phenomenon.

Drawings

Fig. 1 is a schematic diagram of the front structure of the present utility model.

Fig. 2 is a schematic side view of the present utility model.

FIG. 3 is a schematic view of the cross-sectional structure A-A in FIG. 1.

Fig. 4 is a schematic diagram of the front structure of the brush head of the present utility model.

Fig. 5 is a schematic side view of a brush head according to the present utility model.

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

The brush comprises a connecting rod 1, an arc-shaped connecting part 11, a brush head 2, a connecting rod base 3, a fixing hole 31, a fixing seat 32, a 3201 abutting part 4, an elastic bulge 5, a brush hair base 51, an annular bulge wall 52, a fixing rod 53 abutting part and a 5301 groove.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

It should be noted that, in the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. The terms "horizontal," "vertical," "overhang," and the like do not denote that the component is required to be absolutely horizontal or overhang, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or communicating between two elements. 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.

As shown in fig. 1-6, a toothbrush head end connecting structure comprises a connecting rod 1 and a toothbrush head 2; the tail end of the connecting rod 1 is provided with a connecting rod base 3, the center of the connecting rod base 3 is provided with a fixing hole 31, and the periphery of the connecting rod base 3 is symmetrically provided with fixing seats 32 along the axial direction of the connecting rod; two groups of elastic bulges 4 are arranged on the connecting rod base 3, which is opposite to the lower part, of the fixing seat 32, and the elastic bulges can deform after being extruded;

the brush head 2 comprises a brush hair base 5 and brush hair (not shown in the figure), the back of the brush hair base 5 is provided with an annular bulge wall 51, the brush hair base 5 in the center of the annular bulge wall 51 is provided with a fixed rod 52, the fixed rod and the fixed rod are inserted to form a limit, and the outer side of the annular bulge wall 51 is symmetrically provided with a butt joint part 53 along the axial direction of the connecting rod; the abutting part 53 rotates to the lower part of the fixed seat 32 to form extrusion fit; the bottom of butt joint portion 53 is equipped with two sets of recesses 5301, and recess 5301 and elastic bulge 4 embedding cooperation, promptly in tip form butt joint portion and conflict portion conflict back, the elastic bulge embedding recess, simultaneously to recess both ends chamfer design for circular-arc, conveniently guide the elastic bulge precession or unscrew the recess.

As shown in fig. 2-3, the cross section of the fixing base 32 is inverted L, an abutting portion 3201 is provided on one side of the fixing base 32 in the counterclockwise direction, no abutting portion forms a fixing channel on one side in the clockwise direction, and the tip end of the abutting portion abuts against the abutting portion to complete rotation locking.

As shown in fig. 6, the counter-clockwise end of the abutting portion 53 is provided with a pointed shape 6, and the pointed shape guides the abutting portion to enter the channel of the fixing base, so as to facilitate the rotary extrusion with the fixing base and the elastic protrusion.

As shown in fig. 4 to 6, the abutting portion 53 is made of thermoplastic polyester elastomer TPEE material, and has an arc-shaped size consistent with that of the fixing base and a height slightly greater than that between the fixing base and the base of the connecting rod, so that after rotation, the abutting portion can be pressed with the fixing base.

As shown in fig. 5-6, the height of the annular raised wall 51 is consistent with the height of the anchor block.

As shown in fig. 1-2, the middle part of the connecting rod 1 is provided with an arc-shaped connecting part 11, and the top initial part of the arc-shaped connecting part is not in contact with the brush head base, so that the brush head base can conveniently rotate on the connecting rod base.

An electric toothbrush comprises the toothbrush head end connecting structure, a toothbrush handle and a connecting rod fixedly assembled with the toothbrush handle.

Therefore, the utility model has the following beneficial effects:

the bristle base and the brush head section are designed to be detachably connected, and when the bristles are replaced, the bristle base is only required to be replaced, the whole brush head is not required to be replaced, so that the use cost of a user is reduced, and the marketization is facilitated;

adopt extrusion and elastic bulge's dual cooperation when the butt joint, can effectively guarantee the stability between brush head base and the brush-holder stud, avoid appearing rocking the scheduling phenomenon.

The above examples are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the spirit and scope of the present utility model. Various modifications and improvements of the technical scheme of the present utility model will fall within the protection scope of the present utility model without departing from the design concept of the present utility model, and the technical content of the present utility model is fully described in the claims.

Claims

1. The toothbrush head end connecting structure is characterized by comprising a connecting rod and a toothbrush head;

2. The structure according to claim 1, wherein the cross section of the fixing base is in an inverted L shape, an abutting portion is provided on one side of the fixing base in a counterclockwise direction, and a fixing channel is formed by the abutting portion on one side of the fixing base in a clockwise direction.

3. A toothbrush head end connecting structure as claimed in claim 1, wherein the abutting portion is provided with a pointed shape at a counterclockwise end.

4. The head end connection structure of claim 1, wherein the butt joint is made of thermoplastic polyester elastomer TPEE material, and the arc-shaped dimension is consistent with the dimension of the fixing seat and is greater than the height between the fixing seat and the connecting rod base.

5. A toothbrush head end attachment structure according to claim 1 wherein the height of the annular raised wall is maintained in line with the height of the anchor block.

6. The toothbrush head end connecting structure according to claim 1, wherein an arc-shaped connecting portion is arranged in the middle of the connecting rod, and the top initial portion of the arc-shaped connecting portion does not collide with the brush head base.

7. An electric toothbrush comprising a toothbrush head end connecting structure according to any one of claims 1 to 6, further comprising a toothbrush handle fixedly mounted to the connecting rod.