CN210582726U

CN210582726U - Rotary electric toothbrush head

Info

Publication number: CN210582726U
Application number: CN201921249810.5U
Authority: CN
Inventors: 刘亚飞
Original assignee: Individual
Current assignee: Guangdong Meihong Industrial Technology Co ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-05-22
Anticipated expiration: 2029-08-05

Abstract

The utility model discloses a rotary electric toothbrush head, which comprises a brush piece, a supporting shell, a transmission shaft and a tail plug, wherein the front side of the brush piece is provided with a honeycomb-shaped hair surface, the back side of the brush piece is integrally formed with an outer ring column, the outer ring column is provided with a pit groove along the axis direction, and the outer side wall of the outer ring column is provided with a spiral clamping groove; the supporting shell consists of a round-head shell and a hollow pipe body, wherein one side of the round-head shell is opened, the round-head shell is matched with the brush piece, a fixed column is integrally formed in the center of the inside of the round-head shell, the fixed column is matched with the outer ring column, and a buckle matched with the spiral clamping groove is arranged on the inner side wall of the round-head shell; the front end integrated into one piece of transmission shaft has location bolt and lever pearl post, and lever pearl post and pot head phase-match, parallel arrangement between location bolt and the lever pearl post, and the end of lever pearl post is towards the direction bending of keeping away from the location bolt. The utility model discloses only constitute by four components, and each component is the plastic part, greatly reduced production and assembly cost.

Description

Rotary electric toothbrush head

Technical Field

The utility model relates to a toothbrush technical field especially relates to an electronic toothbrush head of rotation type.

Background

Electric toothbrush utilizes the core of high-speed vibration to drive the rotatory or vibration of brush head in order to reach clean tooth's effect, because electric toothbrush's amplitude is higher, the brush hair is along with toothbrush rapid movement, can shake down the tartar of tooth face and slit department effectively, compares in traditional manual toothbrush, has better clean effect to labour saving and time saving receives modern's liking deeply.

The existing electric toothbrush can be continuously used only by replacing a new brush head after the bristles are worn, the existing electric toothbrush has more internal elements and a relatively complex structure, the manufacturing and assembling cost is high, the transmission among a plurality of elements is complex, the damage rate is high, and a great deal of inconvenience is brought to the daily use of people.

To this end, we propose a rotary powered toothbrush head to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of complex structure of the electric toothbrush head in the prior art, and providing the rotary electric toothbrush head with few components and low assembly difficulty.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a rotary electric toothbrush head comprises a brush piece, a supporting shell, a transmission shaft and a tail plug, wherein the front surface of the brush piece is provided with a honeycomb-shaped hair surface, the back surface of the brush piece is integrally formed with an outer ring column, the outer ring column is provided with a pit groove along the axis direction, and the outer side wall of the outer ring column is provided with a spiral clamping groove;

the support shell consists of a round-head shell with one open side and a hollow pipe body, the round-head shell is matched with the brush piece, a fixed column is integrally formed in the center of the inside of the round-head shell, the fixed column is matched with the outer ring column, and a buckle matched with the spiral clamping groove is arranged on the inner side wall of the round-head shell;

the front end of the transmission shaft is integrally formed with a positioning bolt and a lever bead column, the lever bead column is matched with the pit groove, the positioning bolt and the lever bead column are arranged in parallel, the tail end of the lever bead column is bent towards the direction far away from the positioning bolt, and a positioning sleeve ring used for limiting the positioning bolt is arranged inside the pipe body;

the front end of the tail plug is arranged corresponding to the rear end of the transmission shaft, the tail plug is matched with the pipe body, and the tail plug is clamped with the pipe body.

Preferably, the end of the lever ball column is integrally formed with a ball.

Preferably, an elastic clamping piece is integrally formed on the side wall of the tail plug, and a clamping groove matched with the elastic clamping piece is formed in the side wall of the pipe body.

Preferably, the pipe body is a tapered pipe with a small front part and a large rear part, and the pipe body is uniformly provided with convex ribs along the circumferential direction of the pipe body.

Preferably, the rear end of the tail plug is provided with a ring of annular protrusion, and the annular protrusion is flush with the rear end of the pipe body.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses only constitute by four components, and each component is the plastic part, greatly reduced production and assembly cost, also avoided the waste of manpower and materials and resource, simultaneously, because the utility model discloses a structure is comparatively simple, in the use, and does not have complicated transmission structure to the probability is lower for the internal element damage, can improve user's use and experience.

Drawings

FIG. 1 is an exploded view of a rotary electric toothbrush head according to the present invention;

FIG. 2 is a schematic side view of a brush piece of the rotary electric toothbrush head of the present invention;

FIG. 3 is a schematic front view of a brush piece of the rotary electric toothbrush head of the present invention;

FIG. 4 is a schematic view of a support housing of a rotary power toothbrush head according to the present invention;

FIG. 5 is a schematic view of a transmission shaft of a rotary electric toothbrush head according to the present invention;

fig. 6 is a schematic structural view of a tail plug in the rotary electric toothbrush head of the utility model.

In the figure:

1 brush piece, 11 brush surfaces, 12 outer ring columns, 121 pit grooves and 122 spiral clamping grooves;

2, a supporting shell, a 21 round head shell, 211 fixing columns, 212 buckles, a 22 pipe body and 221 positioning lantern rings;

3, a transmission shaft, 31 positioning bolts, 32 lever ball columns and 321 spherical parts;

4 tail plugs, 41 elastic clips and 42 annular bulges.

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. 1-6, a rotary electric toothbrush head comprises a brush piece 1, a supporting shell 2, a transmission shaft 3 and a tail plug 4, wherein the front surface of the brush piece 1 is provided with a honeycomb-shaped hair-carrying surface 11, the hair-carrying surface 11 is used for implanting bristles, the back surface of the brush piece 1 is integrally formed with an outer ring column 12, the outer ring column 12 is provided with a pit slot 121 along the axial direction, and the outer side wall of the outer ring column 12 is provided with a spiral clamping slot 122;

the supporting shell 2 is composed of a round-head shell 21 with an opening at one side and a hollow tube body 22, it is to be noted that the tube body 22 is a conical tube with a small front part and a large back part, the tube body 22 is uniformly provided with convex ribs along the circumferential direction, the friction force of the brush head can be improved by arranging the convex ribs, the brush head is convenient to take and not easy to slide off, the round-head shell 21 is matched with the brush piece 1, a fixed column 211 is integrally formed at the center position in the round-head shell 21, the fixed column 211 is matched with the outer ring column 12, and a buckle 212 matched with the spiral clamping groove 122 is arranged on the inner side wall of the round-head shell 21;

the front end of the transmission shaft 3 is integrally formed with a positioning bolt 31 and a lever bead column 32, the lever bead column 32 is matched with the pit 121, the positioning bolt 31 and the lever bead column 32 are arranged in parallel, and the tail end of the lever bead column 32 is bent towards the direction far away from the positioning bolt 31, so that the tail end of the lever bead column 32 can swing at a larger angle, the swing amplitude of the brush piece 1 is improved, and the cleaning effect on teeth is further improved;

the front end of tail stopper 4 corresponds the setting with the rear end of transmission shaft 3, tail stopper 4 and body 22 phase-match, tail stopper 4 and body 22 joint, it is concrete, integrated into one piece has elasticity fastener 41 on the lateral wall of tail stopper 4, be equipped with the draw-in groove that matches with elasticity fastener 41 on the lateral wall of body 22, it needs to notice, the rear end of tail stopper 4 is equipped with round annular arch 42, through setting up annular arch 42, can play spacing effect to tail stopper 4, and the protruding 42 of annular and body 22's rear end parallel and level, make whole toothbrush head surface level, avoid tail stopper 4 to take place to drop.

The utility model discloses well brush piece 1, support housing 2, transmission shaft 3 and tail stopper 4 are environmental protection plastic part, have reduced the pollution of environment, have also reduced the waste of resource.

Now, the operation principle of the present invention is described as follows:

the utility model discloses when assembling the toothbrush head, at first, aim at the position of fixed column 211 on the button head casing 21 with outer ring post 12 on the brush piece 1 and insert, rotatory brush piece 1 after that, utilize spiral draw-in groove 122 and buckle 212 to install brush piece 1 in button head casing 21, after that, insert transmission shaft 3 along body 22, make location bolt 31 insert the location lantern ring 221 in, accomplish spacing to transmission shaft 3, and finally, aim at body 22 with tail plug 4 and insert, utilize elasticity fastener 41 and draw-in groove, it is spacing to tail plug 4, accomplish the assembly.

The utility model discloses when using, drive transmission shaft 3 left and right sides reciprocal rotation by the drive shaft of electric toothbrush body for lever pearl post 32 uses the axis of location bolt 31 to rotate as the center is reciprocal, because the terminal block of lever pearl post 32 is in pot hole 121, so, lever pearl post 32 can stir brush piece 1 along the reciprocal rotation in axle center of fixed column 211, thereby drives the reciprocal rotation of brush hair, scrubs the tooth surface.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A rotary electric toothbrush head comprises a brush piece (1), a supporting shell (2), a transmission shaft (3) and a tail plug (4), and is characterized in that a honeycomb-shaped haired surface (11) is arranged on the front surface of the brush piece (1), an outer ring column (12) is integrally formed on the back surface of the brush piece (1), a pit groove (121) is formed in the outer ring column (12) along the axis direction of the outer ring column, and a spiral clamping groove (122) is formed in the outer side wall of the outer ring column (12);

the support shell (2) is composed of a round-head shell (21) with one side open and a hollow pipe body (22) inside, the round-head shell (21) is matched with the brush piece (1), a fixing column (211) is integrally formed in the center of the inside of the round-head shell (21), the fixing column (211) is matched with the outer ring column (12), and a buckle (212) matched with the spiral clamping groove (122) is arranged on the inner side wall of the round-head shell (21);

a positioning bolt (31) and a lever bead column (32) are integrally formed at the front end of the transmission shaft (3), the lever bead column (32) is matched with the pit groove (121), the positioning bolt (31) and the lever bead column (32) are arranged in parallel, the tail end of the lever bead column (32) is bent towards the direction far away from the positioning bolt (31), and a positioning sleeve ring (221) used for limiting the positioning bolt (31) is arranged inside the pipe body (22);

the front end of the tail plug (4) is arranged corresponding to the rear end of the transmission shaft (3), the tail plug (4) is matched with the pipe body (22), and the tail plug (4) is clamped with the pipe body (22).

2. The rotary power toothbrush head of claim 1, wherein the distal end of the lever bead post (32) is integrally formed with a ball member (321).

3. The rotary electric toothbrush head according to claim 1, characterized in that the side wall of the tail plug (4) is integrally formed with an elastic fastener (41), and the side wall of the tube body (22) is provided with a slot matching with the elastic fastener (41).

4. The rotary electric toothbrush head according to claim 1, characterized in that the tube (22) is a tapered tube with a small front and a large rear, and the tube (22) is uniformly provided with raised ribs along the circumference.

5. A rotary powered toothbrush head according to claim 1 characterised in that the rear end of the end plug (4) is provided with a ring of annular protrusions (42) and the annular protrusions (42) are flush with the rear end of the tubular body (22).