CN215080077U

CN215080077U - Electric toothbrush autorotation telescopic brush head structure

Info

Publication number: CN215080077U
Application number: CN202120745458.5U
Authority: CN
Inventors: 曹朕阁
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-12-10
Anticipated expiration: 2031-04-13

Abstract

The utility model discloses an electric toothbrush autorotation telescopic brush head structure, which comprises an electric toothbrush shell and a brush head, wherein a telescopic rod is slidably arranged at one end of the electric toothbrush shell, a clamping rotating shaft is rotatably arranged at one end of the telescopic rod far away from the electric toothbrush shell, and the brush head is tightly clamped and connected with the clamping rotating shaft; a telescopic rotating part is sleeved in the telescopic rod in a rotating mode, a rotating cylinder is coaxially and fixedly installed at one end of the telescopic rotating part, the rotating cylinder is rotatably installed in the electric toothbrush shell, the telescopic rod is coaxially and rotatably installed in the rotating cylinder, a waterproof motor is coaxially and rotatably installed at one end of the rotating cylinder, the waterproof motor is fixedly installed in the electric toothbrush shell, the brush head can be conveniently dismounted through a clamping groove in the clamping rotating shaft, and the brush head can be more conveniently and quickly replaced; the motor drives the rotating cylinder to rotate, so that the telescopic rod is driven to do reciprocating telescopic motion, and a user can brush teeth in a reciprocating mode.

Description

Electric toothbrush autorotation telescopic brush head structure

Technical Field

The utility model relates to an electric toothbrush technical field specifically is a telescopic brush head structure of electric toothbrush rotation.

Background

Electric toothbrushes are new products that have emerged in recent years, and have revolutionized the oral care field abroad. The electric toothbrush enables the brush head to generate high-frequency vibration through the rapid rotation or vibration of the electric motor core, instantaneously decomposes the toothpaste into fine foam, and deeply cleans teeth gaps; meanwhile, the vibration of the brush hair can promote the blood circulation of the oral cavity and has a massage effect on the gum tissue.

The electric toothbrush assembly on the market is comparatively complicated, and it leads to rotating unstably and produces the unnecessary noise to be difficult to control the assembly precision, and the high-speed rotation of brush head can lead to producing resonance between toothbrush main part and the accessory, and the user can feel tremble and noise, leads to producing the uncomfortable sensation of health, and this publication number is CN 212575003U's the china utility model of authorizing discloses a brush head structure of rotation type electric toothbrush, including the big body, big body right side internally mounted has interior axle, big body front end internally mounted button head, installs a plurality of brush hairs on the button head, the tailcap is installed to big body right side tip. The utility model discloses, rotation type assembly buckle structure, the lock volume is big, need not atress deformation, the steady structure of transmission is more firm. The noise generated by high-speed vibration is effectively reduced, and the hearing health of a user is protected; the environment-friendly disposable injection molding machine component does not contain heavy metal substances and is safe and harmless to users; no redundant hole sites exist in the appearance, bacteria residue is reduced, and internal structural components fall out to endanger the safety of the oral cavity; unnecessary parts are reduced, and the assembly is more convenient.

The utility model discloses an assembly is more convenient, but people often can be reciprocal when brushing teeth clear up the tooth, and this utility model does not have flexible function, and the scope of being suitable for is less, and we provide a telescopic brush head structure of electric toothbrush rotation for this and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a telescopic brush head structure of electric toothbrush rotation to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an electric toothbrush autorotation telescopic brush head structure comprises an electric toothbrush shell and a brush head, wherein a telescopic rod is slidably mounted at one end of the electric toothbrush shell, a clamping rotating shaft is rotatably mounted at one end, away from the electric toothbrush shell, of the telescopic rod, and the brush head is fixedly clamped with the clamping rotating shaft;

the telescopic link internal rotation has cup jointed flexible portion of rotating, the coaxial fixed mounting in one end of flexible portion of rotating has a section of thick bamboo that rotates, it rotates to install in the electric toothbrush shell to rotate a section of thick bamboo, coaxial rotation installation in the section of thick bamboo that rotates the telescopic link, the coaxial rotation of one end of a section of thick bamboo that rotates installs waterproof motor, waterproof motor fixed mounting is in the electric toothbrush shell.

Preferably, the inner wall of the rotating cylinder is concavely provided with an annular chute, and the annular chute is an annular groove connected end to end.

Preferably, the one end outer wall evagination fixed mounting of telescopic link has the slider, slider slip joint is in the annular chute, one side indent of telescopic link is equipped with the spout, it has the joint slider to slide the joint in the spout, joint slider fixed mounting is on the electric toothbrush shell, the tip fixed mounting that the electric toothbrush shell was kept away from to the telescopic link has the installation department, the installation department internal rotation installation the joint pivot.

Preferably, a clamping groove is formed in the shaft body on one side of the clamping rotating shaft in a concave mode, the clamping groove is used for fastening the clamping head, a cone worm wheel is fixedly mounted on the clamping rotating shaft in a coaxial mode, and the cone worm wheel is connected with one end of the telescopic rotating portion in a meshed mode.

Preferably, flexible portion of rotating includes the activity pivot, the coaxial fixed mounting in one end of activity pivot has the awl worm, the meshing of awl worm is connected the awl worm wheel, the coaxial sliding clamping of the other end of activity pivot has fixed pivot, the coaxial fixed mounting in a rotation section of thick bamboo of one end of fixed pivot.

Preferably, the outer wall of one side of the fixed rotating shaft is concavely provided with a limiting groove, and the limiting groove is internally slidably clamped with a limiting block which is fixedly arranged in the movable rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that: the brush head can be conveniently disassembled and assembled by clamping the clamping groove on the rotating shaft, so that the brush head is more conveniently and quickly replaced; the motor drives the rotating cylinder to rotate, so as to drive the telescopic rod to do reciprocating telescopic motion, and a user can brush teeth in a reciprocating manner; simultaneously, the rotation of the rotating cylinder drives the telescopic rotating part to rotate, so that the conical turbine and the conical worm are meshed to be connected to drive the clamping rotating shaft to rotate, the brush head is driven to rotate, and the brush head can rotate and stretch out and draw back while rotating.

Drawings

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

FIG. 2 is a sectional view of the housing of the electric toothbrush of the present invention;

fig. 3 is a schematic structural view of the middle telescopic rotating part of the present invention.

In the figure: the electric toothbrush comprises an electric toothbrush shell 1, a clamping slide block 11, an expansion link 2, a mounting part 21, a sliding chute 22, a slide block 23, a brush head 3, a clamping rotating shaft 4, a bevel worm wheel 41, a clamping groove 42, a waterproof motor 5, a rotating cylinder 6, an annular sliding chute 61, a telescopic rotating part 7, a fixed rotating shaft 71, a limiting groove 72, a movable rotating shaft 73 and a bevel worm 74.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an electric toothbrush autorotation telescopic brush head structure comprises an electric toothbrush shell 1 and a brush head 3, wherein a telescopic rod 2 is slidably mounted at one end of the electric toothbrush shell 1, a clamping rotating shaft 4 is rotatably mounted at one end, away from the electric toothbrush shell 1, of the telescopic rod 2, a clamping groove 42 is concavely arranged in a shaft body at one side of the clamping rotating shaft 4, the clamping groove 42 is used for fastening and clamping the brush head 3, and the clamping structure of the clamping groove 42 and the brush head 3 facilitates the disassembly and assembly of the brush head 3 and the replacement of the brush head 3 at the later stage;

as shown in fig. 2, flexible rotation portion 7 has been cup jointed to 2 internal rotations of telescopic link, the coaxial fixed mounting of one end of flexible rotation portion 7 has a section of thick bamboo 6 of rotating, the inner wall indent of a section of thick bamboo 6 is equipped with annular chute 61, annular chute 61 is end to end's annular type recess, a section of thick bamboo 6 rotates and installs in electric toothbrush shell 1, coaxial rotation installation telescopic link 2 in a section of thick bamboo 6 of rotating, the one end outer wall evagination fixed mounting of telescopic link 2 has slider 23, slider 23 slip joint is in annular chute 61, one side indent of telescopic link 2 is equipped with spout 22, it has joint slider 11 to slide in the spout 22, joint slider 11 fixed mounting is on electric toothbrush shell 1, the tip fixed mounting that electric toothbrush shell 1 was kept away from to telescopic link 2 has installation department 21, installation joint pivot 4 in installation department 21 internal rotation. When the rotary cylinder 6 rotates, the sliding block 23 which is in sliding clamping connection with the annular sliding groove 61 in the rotary cylinder 6 can reciprocate in the annular sliding groove 61, and the sliding groove 22 is limited by the clamping sliding block 11 to further drive the telescopic rod 2 to stretch and retract,

as shown in fig. 2, a waterproof motor 5 is coaxially and rotatably installed at one end of the rotary cylinder 6, and the waterproof motor 5 is fixedly installed in the electric toothbrush housing 1. The waterproof motor 5 provides power to the entire electric toothbrush.

As shown in fig. 2 and 3, the clamping rotating shaft 4 is coaxially and fixedly provided with a bevel worm wheel 41, the bevel worm wheel 41 is meshed and connected with one end of the telescopic rotating part 7, the telescopic rotating part 7 comprises a movable rotating shaft 73, one end of the movable rotating shaft 73 is coaxially and fixedly provided with a bevel worm 74, the bevel worm 74 is meshed and connected with the bevel worm wheel 41, the other end of the movable rotating shaft 73 is coaxially and slidably clamped with a fixed rotating shaft 71, and one end of the fixed rotating shaft 71 is coaxially and fixedly arranged in the rotating cylinder 6. The outer wall of one side of the fixed rotating shaft 71 is concavely provided with a limiting groove 72, and the limiting groove 72 is slidably clamped with a limiting block and the limiting block is fixedly arranged in the movable rotating shaft 73. The telescopic rotating part 7 can provide rotating power for the clamping rotating shaft 4 when the telescopic rod 2 performs telescopic motion, the conical worm wheel 41 connected through the conical worm 74 in a meshed mode drives the clamping rotating shaft 4 to rotate, and then the brush head 3 is driven to rotate, so that the brush head 3 can stretch while the rotation is guaranteed.

The working principle is as follows: when the utility model is used, a user can insert the brush head 3 through the clamping rotating shaft 4, the clamping inserting structure is convenient for dismounting the brush head 3, the brush head 3 is convenient to replace in the later period, the waterproof motor 5 is started to work through a switch on the electric toothbrush shell 1, the waterproof motor 5 rotates to drive the rotating cylinder 6 to rotate, the sliding block 23 of the sliding clamping in the rotating cylinder 6 slides and moves in the annular sliding groove 61, the clamping sliding block 11 and the sliding groove 22 are matched, so as to drive the telescopic rod 2 to reciprocate and stretch, meanwhile, when the rotating cylinder 6 rotates, the fixed rotating shaft 71 of the telescopic rotating part 7 is driven to rotate, the fixed rotating shaft 71 drives the movable rotating shaft 73 to rotate, the fixed rotating shaft 71 and the movable rotating shaft 73 are in sliding clamping connection, the movable rotating shaft 73 can be ensured to always rotate when the telescopic rod 2 reciprocates and stretches, the movable rotating shaft 73 is driven to rotate by the cone worm 74 at the end part of the movable rotating shaft 73, the cone worm wheel 41 further drives the clamping rotating shaft 4 to rotate, thereby joint pivot 4 can drive the rotation of brush head 3, and then makes the utility model discloses work is more diversified.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a telescopic brush head structure of electric toothbrush rotation, includes electric toothbrush shell (1), brush head (3), its characterized in that: one end of the electric toothbrush shell (1) is slidably provided with a telescopic rod (2), one end of the telescopic rod (2) far away from the electric toothbrush shell (1) is rotatably provided with a clamping rotating shaft (4), and the clamping rotating shaft (4) is fixedly clamped with the toothbrush head (3);

the utility model discloses a toothbrush, including telescopic link (2), telescopic rotation portion (7) has been cup jointed to the internal rotation of telescopic link (2), the coaxial fixed mounting in one end of telescopic rotation portion (7) has a rotation section of thick bamboo (6), a rotation section of thick bamboo (6) rotate and install in electric toothbrush shell (1), the coaxial rotation installation in a rotation section of thick bamboo (6) telescopic link (2), the coaxial rotation of one end of a rotation section of thick bamboo (6) installs waterproof motor (5), waterproof motor (5) fixed mounting is in electric toothbrush shell (1).

2. The electric toothbrush autorotation telescopic brush head structure as claimed in claim 1, characterized in that: the inner wall of the rotating cylinder (6) is provided with an annular sliding groove (61) in a concave mode, and the annular sliding groove (61) is an annular groove which is connected end to end.

3. The electric toothbrush autorotation telescopic brush head structure as claimed in claim 2, characterized in that: one end outer wall evagination fixed mounting of telescopic link (2) has slider (23), slider (23) slip joint is in annular chute (61), one side indent of telescopic link (2) is equipped with spout (22), the slip joint has joint slider (11) in spout (22), joint slider (11) fixed mounting is on electric toothbrush shell (1), the tip fixed mounting that electric toothbrush shell (1) was kept away from in telescopic link (2) has installation department (21), installation department (21) internal rotation installation joint pivot (4).

4. The electric toothbrush autorotation telescopic brush head structure as claimed in claim 1, characterized in that: one side shaft body indent of joint pivot (4) is equipped with joint groove (42), joint groove (42) fastening joint brush head (3), the coaxial fixed mounting of joint pivot (4) has awl worm wheel (41), awl worm wheel (41) meshing is connected the one end of flexible rotating part (7).

5. The electric toothbrush autorotation telescopic brush head structure as claimed in claim 4, wherein: flexible portion of rotating (7) is including activity pivot (73), the coaxial fixed mounting of one end of activity pivot (73) has awl worm (74), awl worm (74) meshing is connected awl worm wheel (41), the coaxial slip joint of the other end of activity pivot (73) has fixed pivot (71), the coaxial fixed mounting of one end of fixed pivot (71) is in rotating a section of thick bamboo (6).

6. The electric toothbrush autorotation telescopic brush head structure as claimed in claim 5, wherein: the outer wall of one side of the fixed rotating shaft (71) is concavely provided with a limiting groove (72), and the limiting groove (72) is internally provided with a sliding clamping limiting block which is fixedly installed in the movable rotating shaft (73).