CN209933035U - Electric toothbrush - Google Patents

Abstract

The utility model provides an electric toothbrush, comprising: a toothbrush head, a rotation control device, a micro motor, a fixing plate, a power supply, a power switch, and a mounting shell, the toothbrush head is cylindrical, and one side of the cylindrical surface is provided with bristles, The bristles are arranged in columns, and the other side is a smooth cylindrical surface. When brushing your teeth, the bristles reciprocate along the gap between the teeth. The bristles only reciprocate on one side of the teeth, and the included angle of rotation is between 0 degrees and 200 degrees, which can avoid the situation that the bristles brush to the oral skin on the back side of the toothbrush and cause skin damage.

Description

an electric toothbrush

technical field

The utility model relates to the field of toothbrushes, in particular to an electric toothbrush.

Background technique

With the continuous improvement of people's living standards and the increasing demand for materials, the application of automatic cleaning and nursing devices is becoming more and more extensive. Electric toothbrushes are gradually accepted by the public because of their simple operation, convenience and efficiency, and high cleaning efficiency.

The electric toothbrush is mainly composed of a power supply, a micro motor, a toothbrush head and a handle. The electric toothbrush is driven by electricity, and the brush head moves at a speed of thousands or even tens of thousands of times per minute, and the efficiency is much higher than that of a manual toothbrush.

In the existing electric toothbrush, the bristles are arranged in a circular ring and rotate radially relative to the handle. Sweeping at high speed, the bristles cannot penetrate deep between the teeth, and the problem between the teeth cannot be better cleaned.

Utility model content

The utility model provides an electric toothbrush, which is simple in structure and convenient in operation, and the bristles can penetrate deep into the interdental space to clean the interdental space more comprehensively, which overcomes the problem that the existing electric toothbrush cannot better clean the interdental space.

In order to solve the above problems, the technical scheme adopted by the present invention is to provide an electric toothbrush, which includes a toothbrush head and a handle. The toothbrush head includes a bristle handle and a connecting rod, the bristle handle is arranged at one end of the connecting rod, the bristle handle is cylindrical, and one side of the cylindrical surface is inlaid with bristles, and the bristles are cylindrical; the handle is arranged on the other side of the connecting rod. One end is a hollow structure, and a rotation control device, a micro motor, a fixed plate, a power supply, and a control switch are arranged inside.

Further, the rotation control device includes: a main shaft, a bracket, a swing rod, a main gear, and a cam, one end of the main shaft is provided with a secondary gear, the other end is connected with the connecting rod shaft, and the bracket is mounted on the fixing plate, The main shaft is installed on the bracket, the swing rod is installed on the fixed plate through the swing rotation shaft, the main gear is installed on the swing rotation shaft, rotates simultaneously with the swing rotation shaft, meshes with the auxiliary gear, and the cam It is installed on the main shaft of the micro motor. When the micro motor rotates, it drives the cam to rotate, forcing the pendulum rod to swing back and forth, driving the swing rotation shaft to rotate, and driving the main gear, auxiliary gear and main shaft. The reciprocating rotation drives the bristle handle and the bristles to reciprocate axially relative to the handle, so as to achieve the purpose of cleaning teeth.

The utility model provides the beneficial effects of the electric toothbrush: because the bristle handle reciprocates axially relative to the handle, the bristles reciprocate along the gap between the teeth, the bristles can penetrate deep into the gap for cleaning, and can more thoroughly clean the gap between the teeth. Residues, and the bristles only clean on the tooth side, which can avoid the situation that the bristles brush to the oral skin on the back side of the toothbrush and cause skin damage.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the utility model more clearly, the accompanying drawings required in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort, wherein:

Fig. 1 is the structural representation of the electric toothbrush provided by the utility model;

2 is a schematic structural diagram of a toothbrush head of an electric toothbrush provided by the utility model;

3 is a schematic perspective view of the bristle handle structure of the electric toothbrush provided by the utility model;

4 is a schematic structural diagram of a rotation control device for an electric toothbrush provided in Embodiment 1 of the present invention;

FIG. 5 is a schematic structural diagram of a rotation control device for an electric toothbrush according to a second embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example 1

1 to 3, a novel electric toothbrush includes a toothbrush head 100 and a handle 200. The toothbrush head 100 includes a bristle handle 101 and a connecting rod 102. The bristle handle 101 is arranged at one end of the connecting rod 102, and the bristle handle 101 is formed Cylindrical, any side of the cylindrical surface is inlaid with bristles 103, and the bristles 103 are fan-shaped.

1-2, the handle 200 is disposed at the other end of the connecting rod 102, and is a hollow structure, with a rotation control device 300, a micro motor 400, a fixing plate 500, a power supply 600, and a control switch 700 inside.

As shown in FIG. 4 , the rotation control device 300 includes a main shaft 301 , a bracket 303 , a swing rod 304 , a main gear 307 and a cam 308 . One end of the main shaft 301 is provided with a secondary gear 302 , and the other end is connected to the connecting rod shaft 102 , the bracket 303 is installed on the fixing plate 500 , the main shaft 301 is installed on the bracket 303 , and the pendulum rod 304 is installed on the fixed plate 305 by swinging the rotating shaft 305 . On the plate 500, a chute 306 is provided on the body of the pendulum rod 304,

The main gear 307 is installed on the swing rotating shaft 305, rotates at the same time with the swing rotating shaft 305, and meshes with the auxiliary gear 302. The cam 308 is installed on the main shaft of the micro motor 400, and a slider 309 is arranged on its surface, and is connected with the sliding groove 306. Slip fit.

During operation, the micro motor 400 rotates to drive the cam 308 to rotate, and the slider 309 slides in the chute 306, forcing the pendulum rod 304 to swing back and forth. Each time the cam 308 rotates once, the pendulum rod 304 swings back and forth once, and the pendulum rod 304 swings back and forth. The reciprocating rotation of the oscillating rotating shaft 305 drives the main gear 307 to reciprocate, the reciprocating rotation of the main gear 307 drives the auxiliary gear 302 to reciprocate, and the reciprocating rotation of the auxiliary gear 302 drives the main shaft 301 to reciprocate, so that the bristle handle 101 and The bristles 103 reciprocate axially relative to the handle 200, and the included angle of the reciprocating rotation is between 0 degrees and 200 degrees.

Repeating the above actions, the bristles 103 reciprocate between 0 degrees and 200 degrees along the interdental space, thereby completing the cleaning action.

Example 2

1 to 3, a novel electric toothbrush includes a toothbrush head 100 and a handle 200. The toothbrush head 100 includes a bristle handle 101 and a connecting rod 102. The bristle handle 101 is arranged at one end of the connecting rod 102, and the bristle handle 101 is formed Cylindrical, any side of the cylindrical surface is inlaid with bristles 103, and the bristles 103 are fan-shaped.

1-2, the handle 200 is disposed at the other end of the connecting rod 102, and is a hollow structure, with a rotation control device 300, a micro motor 400, a fixing plate 500, a power supply 600, and a control switch 700 inside.

Referring to FIG. 5 , the rotation control device 300 includes a main shaft 301 , a bracket 303 , a swing rod 304 , a main gear 307 , a cam 308 and a return spring 310 .

One end of the main shaft 301 is provided with a secondary gear 302 , and the other end is connected to the connecting rod shaft 102 , the bracket 303 is installed on the fixing plate 500 , the main shaft 301 is installed on the bracket 303 , and the pendulum rod 304 is installed on the fixed plate 305 by swinging the rotating shaft 305 . On the plate 500 , the main gear 307 is installed on the swinging rotating shaft 305 , rotates simultaneously with the swinging rotating shaft 305 , and meshes with the auxiliary gear 302 , and the cam 308 is installed on the main shaft of the micromotor 400 .

During operation, the micro motor 400 rotates, which drives the cam 308 to rotate, forcing the swing rod 304 to swing back and forth. When the swing rod 304 swings to the maximum angle, the return spring 310 stretches out. When the highest point of the cam 308 is far away from the swing rod 304, it resets. The retraction of the spring 310 drives the swing rod 304 to return. Every time the cam 308 rotates, the swing rod 304 swings back and forth once, the swing rod 304 swings back and forth to drive the swing rotation shaft 305 to reciprocate, the swing rotation shaft 305 reciprocates to drive the main gear 307 to reciprocate, and the main gear 307 reciprocates to drive the auxiliary gear 302 to reciprocate. Rotation, the reciprocating rotation of the secondary gear 302 drives the main shaft 301 to reciprocate, thereby driving the bristle handle 101 and the bristles 103 to reciprocate axially relative to the handle 200, and the reciprocating rotation angle is between 0 degrees and 200 degrees.

Repeating the above actions, the bristle handle 101 drives the bristles 103 to reciprocate between 0 degrees and 200 degrees along the interdental gap, thereby completing the teeth cleaning action.

The above are only the embodiments of the present invention, and are not intended to limit the scope of the patent of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied to other related The technical fields are similarly included in the scope of patent protection of the present invention.

Claims (4)

1. An electric toothbrush, wherein the electric toothbrush comprises: The toothbrush head (100) includes a bristle handle (101) and a connecting rod (102), the bristle handle (101) is arranged at one end of the connecting rod (102), and the bristle handle (101) is cylindrical, and any one of its cylindrical surfaces The sides are inlaid with bristles (103), and the brush surfaces of the bristles (103) are fan-shaped; The handle (200) is arranged at the other end of the connecting rod (102) and is a hollow structure, and is provided with a rotation control device (300), a micro motor (400), a fixing plate (500), a power supply (600), a control switch ( 700). 2. The electric toothbrush according to claim 1, wherein the rotation control device (300) comprises: a main shaft (301), one end is provided with a secondary gear (302), and the other end is connected with the connecting rod (102) shaft; a bracket (303) mounted on the fixing plate (500), and the spindle (301) mounted on the bracket (303); The swing rod (304) is mounted on the fixed plate (500) through the swinging rotating shaft (305), and the rod body of the swing rod (304) is provided with a chute (306); The main gear (307) is mounted on the swinging rotating shaft (305), rotates simultaneously with the swinging rotating shaft (305), and meshes with the auxiliary gear (302); A cam (308) is installed on the main shaft of the micro motor (400), and a sliding block (309) is provided on the surface of the cam (308), which is slidably matched with the chute (306). 3 . The electric toothbrush according to claim 2 , wherein the bristle handle ( 101 ) reciprocates axially relative to the handle ( 200 ). 4 . The electric toothbrush according to claim 3, characterized in that, the included angle of the reciprocating rotation of the bristle handle (101) is between 0 degrees and 200 degrees.

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