CN213130047U

CN213130047U - Brush head structure of electric toothbrush suitable for vibration and reciprocating rotation

Info

Publication number: CN213130047U
Application number: CN202021391872.2U
Authority: CN
Inventors: 甄锁强
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-05-07
Anticipated expiration: 2030-07-15

Abstract

A brush head structure of an electric toothbrush suitable for vibration and reciprocating rotation comprises a brush head, brush bristles and an internal shaft, and is characterized in that the brush head comprises a brush head rear shell, a brush head neck and a shell; the brush head rear shell is fixedly connected with the brush head neck; the inner shaft is provided with a blind hole, and bristles are fixedly connected in the blind hole; the bristles are fixedly connected with the inner shaft and are vertical to the axis of the inner shaft; the brush head rear shell is arc-shaped, and an arc-shaped concave surface is arranged on the brush head rear shell; the brush head and neck are fixedly sleeved with the shell; the shell is fixedly connected with the handle; the device has simple structure and is easy to manufacture; by adopting the brush hair and the internal shaft structure, the discomfort caused by the movement of the back of the brush head and the neck is effectively solved, and the discomfort caused by the working of the brush hair to teeth and mucosal tissues is also avoided.

Description

Brush head structure of electric toothbrush suitable for vibration and reciprocating rotation

Technical Field

The utility model relates to a plastics field of making specifically is a brush first structure suitable for vibrations and reciprocating rotation's electric toothbrush.

Background

With the improvement of living standard, the requirements of people on life quality are gradually improved, and various snacks are extremely popular to eat. If the cleaning protection to the teeth is not enough, the teeth can be seriously damaged, the electric toothbrush which appears in recent years can effectively improve the cleanness to the teeth compared with the traditional toothbrush, but the structure of the existing bristles is not suitable for a reciprocating motion type toothbrush, and the bristles on the two sides of the brush head can impact the teeth and gum to cause discomfort or damage when working. The back of the brush head and the neck can generate knocking feeling to cause discomfort when contacting with teeth and mucous membrane tissues during movement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a brush head structure suitable for vibrations and reciprocating rotation's electric toothbrush, can effectively solve the problem of proposing among the above-mentioned background art.

In order to solve the problems, the technical scheme adopted by the utility model is a brush head structure of an electric toothbrush suitable for vibration and reciprocating rotation, which comprises a brush head, brush hairs and an internal shaft, wherein the brush head comprises a brush head rear shell, a brush head neck and a shell; the brush head rear shell is fixedly connected with the brush head neck; the bristles are fixedly connected with the inner shaft and are perpendicular to the axis of the inner shaft.

As a further preferable scheme of the utility model, the brush head rear shell is arc-shaped, and the brush head rear shell is provided with an arc-shaped concave surface; the brush head and neck are fixedly sleeved with the shell; the shell is fixedly connected with the handle.

As a further preferred scheme of the utility model, the brush neck is equipped with the through-hole, and the through-hole link up brush head backshell and shell.

As a further preferable scheme of the utility model, the inner shaft is provided with a clamping groove, and the clamping groove is matched with the clamping table of the handle; the clamping groove is fixedly connected with the clamping table; the inner shaft is arranged in the shell; the inner shaft is arranged in the through hole of the brush head neck.

As a further preferred scheme of the utility model, one end of the inner shaft is provided with a plurality of blind holes, and the blind holes are internally provided with metal sheets for fixed connection; the metal sheet is fixed in the middle of the bristles; a plurality of bristles are arranged in the blind holes; the blind holes are fixedly connected with the bristles; the end of the inner shaft provided with the blind hole is arranged in the arc-shaped concave surface of the rear shell of the brush head.

As a further preferable scheme of the utility model, the inner shaft is provided with a blind hole, and the brush hair is fixedly bonded with the blind hole; the bristles are in a fan shape and are fixedly connected with the inner shaft, and the bristles are perpendicular to the axis of the inner shaft.

As a further preferred embodiment of the present invention, the middle part of the brush is fixed in the blind hole, and the middle part of the brush is disposed between the metal plate and the blind hole.

As a further preferable scheme of the utility model, the handle comprises a clamping table, an on-off key and a handle shell; the clamping table is fixed in the clamping groove; the clamping table is rotationally connected with the handle shell shaft; the switch key is arranged on the outer surface of the handle shell; the handle shell is fixedly sleeved with the shell.

Compared with the prior art, the utility model provides a brush first structure suitable for vibrations and reciprocating rotation's electric toothbrush possesses following beneficial effect:

the device has simple structure and is easy to manufacture; by adopting the brush hair and the internal shaft structure, the discomfort caused by the movement of the back of the brush head and the neck is effectively solved, and the discomfort caused by the working of the brush hair to teeth and mucosal tissues is also avoided.

Drawings

FIG. 1 is a schematic view of the electric toothbrush of the present invention;

FIG. 2 is a schematic view of a portion of the handle structure of the present invention;

FIG. 3 is a schematic view of a portion of a connection structure between a brush head and a housing of the present invention;

FIG. 4 is a schematic view of a structural part of the housing of the present invention;

FIG. 5 is a schematic view of a brush head structure of the present invention;

FIG. 6 is a partial view of the overall structure of the brush head of the present invention;

FIG. 7 is a partial view of the connection structure of the inner shaft and the plurality of tufts of bristles;

FIG. 8 is a schematic view of a portion of the internal shaft and the entire tuft of bristles according to the present invention;

wherein: 1. brush head, 2, bristles, 3, inner shaft, 4, handle, 101, brush head back shell, 102, brush head neck, 103, shell, 104, arc concave surface, 105, through hole, 301, clamping groove, 401, clamping table, 402, on-off key, 403 and handle shell.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-8, the utility model provides a brush head structure of an electric toothbrush suitable for vibration and reciprocating rotation, comprising a brush head 1, brush bristles 2 and an inner shaft 3, wherein the brush head 1 comprises a brush head rear shell 101, a brush head neck 102 and a shell 103; the brush head rear shell 101 is fixedly connected with a brush head neck 102; the brush hair 2 is fixedly connected with the inner shaft 3, and the brush hair 2 is vertical to the axis of the inner shaft 3.

As a further preferable scheme of the present invention, the brush head rear shell 101 is arc-shaped, and the brush head rear shell 101 is provided with an arc-shaped concave surface 104; the brush head and neck 102 is fixedly sleeved with the shell 103; the housing 103 is fixedly connected with the handle 4.

As a further preferable aspect of the present invention, the brush head and neck 102 is provided with a through hole 105, and the through hole 105 penetrates the brush head rear shell 101 and the outer shell 103.

As a further preferable scheme of the present invention, the inner shaft 3 is provided with a slot 301, and the slot 301 is matched with the clamping platform 401 of the handle 4; the card slot 301 is fixedly connected with the card table 401; the inner shaft 3 is disposed within the housing 103; the inner shaft 3 is arranged in a through hole 105 of the brush neck 102.

As a further preferred scheme of the utility model, one end of the inner shaft 3 is provided with a plurality of blind holes, and the blind holes are internally provided with metal sheets for fixed connection; the metal sheet is fixed in the middle of the brush bristles 2; a plurality of bristles 2 are arranged in the blind holes; the blind holes are fixedly connected with the bristles 2; the end of the inner shaft 3 provided with the blind hole is arranged in the arc concave surface 104 of the brush head rear shell 101.

As a further preferable scheme of the utility model, the inner shaft 3 is provided with a blind hole, and the brush hair 2 is fixedly bonded with the blind hole; the brush hair 2 is fan-shaped and is fixedly connected with the inner shaft 3, and the brush hair 2 is vertical to the axis of the inner shaft 3.

As a further preferred embodiment of the present invention, the middle part of the brush bristles 2 is fixed in the blind hole, and the middle part of the brush bristles 2 is arranged between the metal sheet and the blind hole.

As a further preferable scheme of the present invention, the handle 4 includes a clamping platform 401, an on-off key 402, and a handle shell 403; the clamping table 401 is fixed in the clamping groove 301; the clamping table 401 is in shaft rotating connection with the handle shell 403; the switch key 402 is arranged on the outer surface of the handle shell 403; the handle case 403 is fixedly sleeved with the outer case 103.

As a specific embodiment of the present invention:

with the cooperation equipment of draw-in groove 301 and ka tai 401 of 3 bottoms of inner shaft, draw-in groove 301 cup joints together with ka tai 401, then cup joint shell 103 and handle shell 403 together, open on & off switch 402 on handle 4, the motor in the handle 4 starts, the motor drives ka tai 401 reciprocating rotation, ka tai 401 drives inner shaft 3 reciprocating rotation, brush hair 2 is along with inner shaft 3 reciprocating rotation, brush head 1 keeps unchangeable this moment, the discomfort that brings along with motor reciprocating motion because of brush head 1 when having solved the brush teeth.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A brush head structure of an electric toothbrush suitable for vibration and reciprocating rotation comprises a brush head (1), brush bristles (2) and an inner shaft (3), and is characterized in that the brush head (1) comprises a brush head rear shell (101), a brush head neck (102) and an outer shell (103); the brush head rear shell (101) is fixedly connected with a brush head neck (102); the inner shaft (3) is provided with a blind hole, and bristles (2) are fixedly connected in the blind hole; the bristles (2) are fixedly connected with the inner shaft (3), and the bristles (2) are perpendicular to the axis of the inner shaft (3).

2. The brush head structure of an electric toothbrush adapted for vibration and reciprocal rotation according to claim 1, wherein the brush head rear case (101) is arc-shaped, and the brush head rear case (101) is provided with an arc-shaped concave surface (104); the brush head and neck (102) is fixedly sleeved with the shell (103); the shell (103) is fixedly connected with the handle (4).

3. The brush head structure of claim 1, wherein the brush head neck (102) is provided with a through hole (105), and the through hole (105) penetrates the brush head rear shell (101) and the housing (103).

4. The brush head structure of an electric toothbrush adapted for vibration and reciprocal rotation according to claim 1, wherein the inner shaft (3) is provided with a catching groove (301), and the catching groove (301) is engaged with a catching seat (401) of the handle (4); the clamping groove (301) is fixedly connected with the clamping table (401); the inner shaft (3) is arranged in the shell (103); the inner shaft (3) is arranged in a through hole (105) of the brush head and neck (102).

5. The brush head structure of an electric toothbrush suitable for vibration and reciprocal rotation according to claim 1, wherein the inner shaft (3) is provided with a plurality of blind holes, and the blind holes are provided with metal sheets for fixed connection; the metal sheet is fixed in the middle of the brush bristles (2); a plurality of bristles (2) are arranged in the blind holes; the blind holes are fixedly connected with the bristles (2); one end of the inner shaft (3) provided with the blind hole is arranged in an arc concave surface (104) of the brush head rear shell (101).

6. The brush head structure of an electric toothbrush adapted for vibration and reciprocal rotation according to claim 1, wherein the inner shaft (3) is provided with a blind hole, and the bristles (2) are bonded and fixed to the blind hole; the bristles (2) are in a fan shape and are fixedly connected with the inner shaft (3), and the bristles (2) are perpendicular to the axis of the inner shaft (3).

7. The brush head structure of an electric toothbrush adapted for vibration and reciprocal rotation according to claim 1 or 5, wherein the middle portions of the bristles (2) are fixed in the blind holes, and the middle portions of the bristles (2) are disposed between the metal plate and the blind holes.

8. A brush head structure of an electric toothbrush adapted for vibration and reciprocal rotation according to claim 2 or 4, wherein the handle (4) comprises a chuck (401), a switch key (402), a handle case (403); the clamping table (401) is fixed in the clamping groove (301); the clamping table (401) is in shaft rotating connection with the handle shell (403); the switch key (402) is arranged on the outer surface of the handle shell (403); the handle shell (403) is fixedly sleeved with the outer shell (103).