CN112245056A

CN112245056A - Electric brush head tail cover and electric toothbrush replacement head

Info

Publication number: CN112245056A
Application number: CN202011263350.9A
Authority: CN
Inventors: 黄喜禄; 蔡水平
Original assignee: Shenzhen Yabeikang Technology Co ltd
Current assignee: Shenzhen Yabeikang Technology Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-01-22

Abstract

The invention provides a tail cover of an electric toothbrush head and a replacement head of the electric toothbrush, comprising: the tail cover comprises a tail cover body, wherein step bumps and damping bumps are arranged on the wall of the tail cover body, and a cross bone structure is arranged at the head of the tail cover body. According to the tail cover of the electric toothbrush head and the electric toothbrush replacement head, the tail cover of the electric toothbrush head is in interference fit with the salient points, so that the electric toothbrush head can be subjected to up-and-down mold stripping without forcibly dragging the mold; meanwhile, the auxiliary control force of the metal elastic sheet is not needed, and the defects that the sizes of the salient points are not well controlled, the pulling and inserting hand feeling force is not well controlled, and the assembly auxiliary cost is high are overcome.

Description

Electric brush head tail cover and electric toothbrush replacement head

Technical Field

The invention relates to the technical field of electric toothbrushes, in particular to a tail cover of an electric toothbrush head and a replaceable head of the electric toothbrush.

Background

In daily life, the application of the automatic cleaning and nursing device is more and more extensive, and the electric toothbrush can more conveniently and effectively clean teeth. The electric toothbrush is generally divided into a replaceable brush head and a replaceable handle, so how to better control the force during the replacement process of installing and removing the handle on and from the brush head to ensure that the connection between the brush head and the handle is tighter, and better waterproof and anti-creeping performances are achieved, which is an important technical improvement and development direction in the field.

Disclosure of Invention

The invention provides a tail cover of an electric toothbrush head and a replacement head of the electric toothbrush, and solves the technical problems of difficult control of sizes of salient points, difficult control of pulling and inserting hand feeling strength and high assembly auxiliary cost.

In order to achieve the purpose, the invention provides the following technical scheme:

a power brush head tail cap comprising: the tail cover comprises a tail cover body, wherein step bumps 11 and damping bumps 12 are arranged on the wall of the tail cover body, and a cross bone structure 13 is arranged at the head of the tail cover body.

Preferably, the outer wall of the tail cover close to the bottom is provided with a convex ring 14 and anti-rotation flat positions 17 which are symmetrically distributed, and a guide bone position 171 is arranged in the middle of each anti-rotation flat position.

Preferably, be provided with the opening of two symmetries on the tail-hood body middle part jade, opening inside sets up a damping bump 12 respectively, damping bump 12 with the open-ended periphery all has the gap, 12 inner walls of damping bump are the loudspeaker form, 12 outer walls of damping bump are the inclined plane of going up thin thicknessly down.

Preferably, the step salient points 11 are arranged on the inner wall of the tail cover body and are strip-shaped salient points.

Preferably, the tail of the tail cover body is provided with a plane limiting part 15, and the plane limiting part is provided with an identification position 16.

Preferably, the lateral surfaces of the cross bone position are provided with clamping convex points 131.

A replaceable head of an electric toothbrush comprises the tail cover of the electric toothbrush head in any embodiment.

Through implementing above technical scheme, have following technological effect: according to the tail cover of the electric toothbrush head and the electric toothbrush replacement head, the tail cover of the electric toothbrush head is in interference fit with the salient points, so that the electric toothbrush head can be subjected to up-and-down mold stripping without forcibly dragging the mold; meanwhile, the auxiliary control force of the metal elastic sheet is not needed, and the defects that the sizes of the salient points are not well controlled, the pulling and inserting hand feeling force is not well controlled, and the assembly auxiliary cost is high are overcome.

Drawings

FIG. 1 is a schematic structural view of a tail cover of an electric toothbrush provided by the present invention;

FIG. 2 is a schematic structural view of a tail cover of an electric toothbrush provided by the present invention;

FIG. 3 is a schematic structural view of a tail cover of an electric toothbrush provided by the present invention;

FIG. 4 is a schematic sectional view of the electric brush head tail cover and the brush head housing after being assembled;

FIG. 5 is a cross-sectional view of the assembled powered brush head tail cap and brush head housing provided by the present invention;

figure 6 is an exploded view of the assembly of the powered brush head tail cap with the toothbrush head housing provided by the present invention.

Detailed Description

In order to better understand the technical scheme of the invention, the following detailed description is made on the embodiments provided by the invention in combination with the accompanying drawings.

A tail cap for a power brushhead, as shown in figures 1-3, comprising: the toothbrush tail cover comprises a tail cover body, wherein step bumps 11 and damping bumps 12 are arranged on the wall of the tail cover body, a cross bone structure 13 is arranged at the head of the tail cover body, and the cross bone structure 13 enables the tail cover body to be tightly assembled with the toothbrush head shell. In this embodiment, preferably, the lateral sides of the cross bone structure are provided with the fastening protrusions 131, so that the tail cover body and the toothbrush head shell are assembled more stably and tightly. The step salient points 11 correspond to concave-convex stripes on the rear side of the handle metal shaft, in this embodiment, the step salient points 11 are preferably strip-shaped protrusions, and in other embodiments, the step salient points 11 may also be two parallel strip-shaped protrusions. When the handle metal shaft is inserted, the concave-convex stripes pass through the step salient points of the tail cover to form step hand feeling. When the metal shaft of the handle is inserted, the damping salient points 12 of the tail cover clamp the metal shaft to form certain resistance to the insertion of the metal shaft, so that a damping hand feeling is formed. In this embodiment, preferably, the step protruding points 11 are disposed on the inner wall of the tail cover body and are strip-shaped protruding points. Through above step bump and damping bump synergism for the handle metal axle inserts during the tail-hood body, pull out and insert the dynamics and control more easily, and make electric toothbrush in the in-process of using through step bump and damping bump, electric toothbrush head does not go up for metal handle, and electric toothbrush head and metal handle's connection is inseparabler.

On the basis of the above example, in the present embodiment, further, as shown in fig. 4 and fig. 6, the outer wall of the tail cover near the bottom is provided with a convex ring 14 and symmetrically distributed anti-rotation flat positions 17, and a guide bone position 171 is arranged in the middle of the anti-rotation flat positions. As shown in figure 6, the convex ring enables the tail cover body to be tightly assembled with the toothbrush head shell, the tail cover body is assembled with the toothbrush head shell 2 through the guide rib position 171, and the anti-rotation flat position effectively prevents the tail cover body from rotating with the toothbrush head shell, so that the tail cover body is assembled with the toothbrush head shell more tightly.

On the basis of above-mentioned embodiment, further, be provided with the opening of two symmetries on the tail-hood body middle part jade, the inside damping bump 12 that sets up respectively of opening, damping bump 12 with the open-ended periphery all has the gap, through above gap for the damping bump has certain elasticity activity space when contacting with metal handle, so that metal handle easier and laborsaving with the toothbrush head assembly. 12 inner walls of damping bump are the loudspeaker form, 12 outer walls of damping bump are the inclined plane of thin under the thick, and the inclined plane of damping bump outer wall makes and forms an elastic space between tail-hood body and the toothbrush head shells inner wall to guarantee to insert when metal handle during the tail-hood body, the damping bump has an elastic space when expanding outward, makes metal handle and toothbrush head's assembly is more laborsaving and light.

On the basis of each embodiment, in this embodiment, furthermore, tail-hood body afterbody is provided with plane spacing 15, plane spacing 15 closely assembles with toothbrush head casing, and after the assembly was accomplished, as shown in fig. 5, the bottom surface of tail-hood body bottom is slightly less than toothbrush head bottom, be provided with the discernment position 16 that is used for discerning tail-hood body and toothbrush head assembly direction on the plane spacing, through discernment position 16 makes things convenient for the assembly of tail-hood body and toothbrush head casing more. The metal handle inserts when the tail-hood body, it is spacing to be different from the D word structure of other tail-hoods, in this embodiment through the top of metal handle axial region the blind hole of tail-hood body plays limiting displacement. The specific embodiment of the invention also provides a replaceable head of an electric toothbrush, which comprises the tail cover of the electric toothbrush head in any embodiment.

While the embodiment of the present invention has been described in detail with reference to the accompanying drawings, it is to be understood that the invention is not limited to the specific embodiments and applications illustrated and described herein.

Claims

1. An electric brush head tail cover, comprising: the tail cover comprises a tail cover body, wherein step bumps (11) and damping bumps (12) are arranged on the wall of the tail cover body, and a cross bone structure (13) is arranged at the head of the tail cover body.

2. The tail cover of the electric brush head according to claim 1, characterized in that the outer wall of the tail cover close to the bottom is provided with a convex ring (14) and symmetrically distributed anti-rotation flat positions (17), and a guide bone position (171) is arranged in the middle of the anti-rotation flat positions.

3. The electric brush head tail cover according to claim 1, wherein two symmetrical openings are arranged on the middle wall of the tail cover body, one damping convex point (12) is arranged inside each opening, gaps are arranged between the damping convex points (12) and the periphery of each opening, the inner wall of each damping convex point (12) is in a horn shape, and the outer wall of each damping convex point (12) is an inclined plane which is thin at the top and thick at the bottom.

4. The electric brush head tail cover according to claim 1, characterized in that the step convex points (11) are arranged on the inner wall of the tail cover body and are strip-shaped convex points.

5. The electric brush head tail cover according to claim 1, characterized in that a plane limit (15) is arranged at the tail of the tail cover body, and an identification position (16) is arranged on the plane limit (15).

6. The electric brush head tail cap according to claim 1, characterized in that the lateral sides of the cross bone structure are provided with clamping protrusions (131).

7. A powered toothbrush refill head comprising a powered brushhead tail cover according to any one of claims 1 to 6.