CN210990853U - Sound wave toothbrush - Google Patents

Abstract

The utility model relates to a sound wave toothbrush, which consists of a lithium battery, a magnetic suspension motor, a battery box, a toothbrush head, a PCB (printed circuit board), a shell, a connecting component and an elastic casing; through setting up the elasticity cover shell, install elasticity cover shell and coupling assembling together, adopt interference fit to be connected between elasticity cover shell and the automatically controlled subassembly, extrude the elasticity cover shell when the equipment, can reduce the noise that shell resonance arouses effectively to and prevent that the sound wave toothbrush from leading to the insecure because of material wearing and tearing after long-term the use, promoted holistic stability of sound wave toothbrush product and water-proof effects.

Description

Sound wave toothbrush

Technical Field

The utility model relates to an electric toothbrush field, more specifically says, relates to a sound wave toothbrush.

Background

The sound wave toothbrush is a tool for cleaning teeth when the vibration frequency and the sound wave frequency are consistent or close to each other, and the interior of the sound wave toothbrush has a waterproof protection function. It comprises lithium cell, magnetic suspension motor, battery case, toothbrush head, PCBA board, main body cover shell and plastic cover shell. Install in the battery case together through the lithium cell of magnetic suspension motor power and magnetic suspension motor, plastic cover shell, have the manual switch of control magnetic suspension motor power break-make on the battery case, outside the main part was stretched out to the magnetic suspension motor pivot, toothbrush head suit reached the effect of clean tooth through magnetic suspension motor vibrations toothbrush head in the magnetic suspension motor pivot.

The existing sound wave toothbrush is easy to wear due to materials after being used for a long time, the vibration effect of a product is poor, the sound wave toothbrush is prone to generating large noise in the using process, the water resistance of the sound wave toothbrush is poor due to the fact that the materials are worn, water enters the sound wave toothbrush, and the service life of the sound wave toothbrush is affected.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a can fall and to fall and guarantee sound wave toothbrush of structural soundness and waterproof stability.

The utility model provides a technical scheme that its technical problem adopted is:

a sonic toothbrush is provided comprising a housing; the shell is internally provided with a connecting assembly, a motor, an elastic casing and an electric control assembly; the motor is installed in the connecting assembly; the elastic casing is positioned between the connecting assembly and the electric control assembly and is connected with the electric control assembly in an interference fit manner, so that noise is reduced, and structural firmness and waterproof stability are ensured; the electric control assembly is electrically connected with the motor.

Further, the connection assembly includes:

the first casing is provided with a first lug at one side far away from the motor, and a second lug at one side close to the motor;

the second sleeve shell is internally provided with a first through hole; the second bump penetrates into the first through hole;

the third sleeve is installed on one side, far away from the second sleeve, of the motor;

a rotating shaft of the motor penetrates through the first through hole and the first casing; and a third bump is arranged on one side of the motor, which is close to the third casing, and the third bump penetrates through the third casing and is embedded in the elastic casing.

Furthermore, a second through hole is formed in the elastic sleeve shell; the third bump is embedded in the second through hole; a fourth bump is arranged on one side, close to the electric control assembly, of the elastic casing; the electric control assembly comprises a battery box; a cavity is arranged in the battery box; the fourth lug is arranged in the cavity and is connected with the cavity in an interference fit manner.

Furthermore, the electric control assembly also comprises a battery and a PCB; a mounting position is arranged in the battery box and is positioned on one side of the cavity, which is far away from the first casing; the battery is mounted in the mounting location; the PCB is mounted on the battery box; the PCB is electrically connected with the battery.

Furthermore, a third through hole is formed in the PCB; and a convex column is arranged at the contact position of the battery box and the PCB and is embedded in the third through hole.

Further, a bottom cover is arranged on one side, away from the first sleeve shell, of the outer shell; the side wall of the bottom cover is provided with a buckle; a clamping position is arranged on the inner side wall of the shell close to the clamping buckle; the buckle is clamped in the clamping position; the end face of the bottom cover is provided with a charging interface electrically connected with the battery.

Furthermore, a key position is arranged on the side wall of the shell; the PCB is provided with a button corresponding to the key position; the button is contacted with the key position.

Further, the connection assembly includes:

the first casing is provided with a first lug at one side far away from the motor, and a second lug at one side close to the motor;

the second sleeve shell is internally provided with a first through hole; the second bump penetrates into the first through hole;

a rotating shaft of the motor penetrates through the first through hole and the first casing; and a third bump is arranged on one side of the motor, which is close to the third casing, and the third bump is embedded in the elastic casing.

The beneficial effects of the utility model reside in that: through setting up the elasticity cover shell, install elasticity cover shell and coupling assembling together, adopt interference fit to be connected between elasticity cover shell and the automatically controlled subassembly, extrude the elasticity cover shell when the equipment, can reduce the noise that shell resonance arouses effectively to and prevent that the sound wave toothbrush from leading to the insecure because of material wearing and tearing after long-term the use, promoted holistic stability of sound wave toothbrush product and water-proof effects.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to the drawings:

FIG. 1 is an exploded view of a sonic toothbrush of this embodiment;

FIG. 2 is an enlarged view of the point A in FIG. 1 in the present embodiment;

FIG. 3 is a schematic view showing the internal structure of a sonic toothbrush of this embodiment;

fig. 4 is a schematic view of the internal structure of the housing in this embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 3, a sound wave toothbrush according to a preferred embodiment of the present invention is constructed, including a housing 1; the shell 1 is internally provided with a connecting assembly, a motor 4, an elastic casing 31 and an electric control assembly; the motor 4 is arranged in the connecting assembly; the elastic sleeve 31 is positioned between the connecting assembly and the electric control assembly, and the elastic sleeve 31 is connected with the electric control assembly in an interference fit manner, so that noise is reduced, and structural firmness and waterproof stability are ensured; the electric control component is electrically connected with the motor 4;

during toothbrush structure equipment, third cover 23 increases an elasticity cover shell 31 with battery case 51's hookup location, and what this elasticity cover shell 31 used is high elasticity silica gel, and interference fit has been done to the hookup location between elasticity cover shell 31 and the battery case 51, extrudees elasticity cover shell 31 during the equipment, and the noise that can effectual reduction motor 4 result in shell 1 resonance to arouse and toothbrush also can kick-back through the flexible glue when using for a long time guarantees structural firmness and waterproof stability.

In the above embodiment, the motor 4 is a magnetic suspension motor, the first casing 21 is a soft rubber casing, the second casing 22 and the third casing 23 are plastic casings, and the elastic casing 31 is a high-elasticity silica gel casing.

In a further embodiment, as may be taken in conjunction with fig. 1 and 3, a connection assembly includes:

the first sleeve shell 21 is provided with a first lug 211 at one side of the first sleeve shell 21 far away from the motor 4, and a second lug 212 at one side of the first sleeve shell 21 close to the motor 4;

a second casing 22, wherein a first through hole 221 is arranged in the second casing 22; the second bump 212 penetrates into the first through hole 221;

a third jacket 23, the third jacket 23 being mounted on the side of the motor 4 remote from the second jacket 22;

the rotating shaft of the motor 4 passes through the first through hole 221 and the first sleeve 21; a third lug 41 is arranged on one side of the motor 4 close to the third casing 23, and the third lug 41 passes through the third casing 23 and is embedded in the elastic casing 31; first cover shell 21 is the flexible glue cover shell, and second cover shell 22 and third cover shell 23 are the plastic cover shell, and first shell 21 is installed at the opening part of shell 1, and second cover shell 22 separates motor 4 and shell 1 with third cover shell 23, prevents that the toothbrush when using, and motor 4 and shell 1 direct contact arouse the resonance, produce the noise, guarantee the stability of structure.

In another embodiment, a connection assembly includes:

the first sleeve shell 21 is provided with a first lug 211 at one side of the first sleeve shell 21 far away from the motor 4, and a second lug 212 at one side of the first sleeve shell 21 close to the motor 4;

a second casing 22, wherein a first through hole 221 is arranged in the second casing 22; the second bump 212 penetrates into the first through hole 221;

the rotating shaft of the motor 4 passes through the first through hole 221 and the first sleeve 21; a third bump 41 is arranged on one side of the motor 4 close to the third sleeve 23, and the third bump 41 is embedded in the elastic sleeve 31; get rid of third cover shell 23, modify elasticity cover shell 31 thickness and with the battery case 51 between the interference thickness, also can reduce the noise that shell 1 resonance arouses effectively to and the toothbrush material wearing and tearing also can be through the flexible glue resilience assurance structural firmness and waterproof stability when long-term the use.

In a further embodiment, as can be taken from fig. 3, the elastic sleeve 31 is provided with a second through hole 312; the third bump 41 is embedded in the second through hole 312; a fourth bump 311 is arranged on one side of the elastic sleeve 31 close to the electric control component; the electronic control assembly comprises a battery box 51; a cavity 511 is arranged in the battery box 51; the fourth bump 311 is disposed in the cavity 511 and connected with the cavity 511 by interference fit; elasticity cover shell 31 material is high elasticity silica gel, and during the equipment, elasticity cover shell 31 adopts interference fit to be connected with battery case 51's hookup location, extrudes elasticity cover shell 31, reduces the noise that shell 1 resonance arouses effectively to and the toothbrush material wearing and tearing also can be through flexible glue resilience assurance structural firmness and waterproof stability when long-term the use.

In a further embodiment, as can be taken from fig. 1 and 3, the electronic control assembly further comprises a battery 52 and a PCB board 53; a mounting position 512 is arranged in the battery box 51, and the mounting position 512 is positioned at one side of the cavity 511 far away from the first sleeve 21; the battery 52 is mounted in the mounting location 512; the PCB board 53 is mounted on the battery case 51; the PCB 53 is electrically connected with the battery 52; and the starting or stopping of the magnetic suspension motor is controlled through the matching between the lithium battery and the PCB.

In a further embodiment, as can be taken from fig. 1 and 2, the PCB 53 is provided with a third through hole 532; a convex column 513 is arranged at the contact position of the battery box 51 and the PCB 53, and the convex column 513 is embedded in the third through hole 532; guarantee firm the installing on battery case 51 of PCB board 53, guarantee the stability of sound wave toothbrush overall structure.

In a further embodiment, as can be taken from fig. 1 and 4, the side of the outer shell 1 remote from the first sleeve 21 is provided with a bottom cover 13; the side wall of the bottom cover 13 is provided with a buckle 131; a clamping position 12 is arranged on the inner side wall of the shell 1 close to the buckle 131; the buckle 131 is clamped in the clamping position 12; the end face of the bottom cover 13 is provided with a charging interface 132 electrically connected with the battery 52; for lithium battery charging through the interface 132 that charges, bottom 13 adopts the cooperation of buckle 131 with screens 12 for bottom 13 is more convenient when installation or dismantlement.

In a further embodiment, as can be taken from fig. 3, the side wall of the casing 1 is provided with a key 11; the PCB 53 is provided with a button 531 corresponding to the key position 11; the button 531 contacts the key 11; when the PCB 53 is mounted on the battery box 51, a part of the PCB 53 crosses the elastic sleeve 31 to reach the motor 4, and the start or stop of the magnetic suspension motor is controlled by pressing the key 11.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims (8)

1. A sonic toothbrush characterized by: comprises a shell; the shell is internally provided with a connecting assembly, a motor, an elastic casing and an electric control assembly; the motor is installed in the connecting assembly; the elastic casing is positioned between the connecting assembly and the electric control assembly and is connected with the electric control assembly in an interference fit manner, so that noise is reduced, and structural firmness and waterproof stability are ensured; the electric control assembly is electrically connected with the motor.

2. The sonic toothbrush of claim 1, wherein the coupling assembly comprises:

the first casing is provided with a first lug at one side far away from the motor, and a second lug at one side close to the motor;

the second sleeve shell is internally provided with a first through hole; the second bump penetrates into the first through hole;

the third sleeve is installed on one side, far away from the second sleeve, of the motor;

a rotating shaft of the motor penetrates through the first through hole and the first casing; and a third bump is arranged on one side of the motor, which is close to the third casing, and the third bump penetrates through the third casing and is embedded in the elastic casing.

3. The sonic toothbrush of claim 2 wherein the resilient casing has a second through-hole therein; the third bump is embedded in the second through hole; a fourth bump is arranged on one side, close to the electric control assembly, of the elastic casing; the electric control assembly comprises a battery box; a cavity is arranged in the battery box; the fourth lug is arranged in the cavity and is connected with the cavity in an interference fit manner.

4. The sonic toothbrush of claim 3 wherein the electronic control assembly further comprises a battery and a PCB board; a mounting position is arranged in the battery box and is positioned on one side of the cavity, which is far away from the first casing; the battery is mounted in the mounting location; the PCB is mounted on the battery box; the PCB is electrically connected with the battery.

5. The sonic toothbrush of claim 4 wherein the PCB has a third through hole; and a convex column is arranged at the contact position of the battery box and the PCB and is embedded in the third through hole.

6. The sonic toothbrush of claim 3 wherein the side of the outer housing remote from the first casing has a bottom cover; the side wall of the bottom cover is provided with a buckle; a clamping position is arranged on the inner side wall of the shell close to the clamping buckle; the buckle is clamped in the clamping position; the end face of the bottom cover is provided with a charging interface electrically connected with the battery.

7. The sonic toothbrush of claim 4 wherein the housing sidewall has a keying location thereon; the PCB is provided with a button corresponding to the key position; the button is contacted with the key position.

8. The sonic toothbrush of claim 1, wherein the coupling assembly comprises:

the first casing is provided with a first lug at one side far away from the motor, and a second lug at one side close to the motor;

the second sleeve shell is internally provided with a first through hole; the second bump penetrates into the first through hole;

a rotating shaft of the motor penetrates through the first through hole and the first casing; and a third bump is arranged on one side of the motor close to the third casing and embedded in the elastic casing.

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