CN215651701U - Electric toothbrush - Google Patents

Abstract

The utility model discloses an electric toothbrush comprising: toothbrush head, toothbrush handle and miniature direct current gear motor are equipped with first accommodation space in the toothbrush handle, and miniature direct current gear motor sets firmly in first accommodation space, and miniature direct current gear motor's output shaft can be dismantled with the toothbrush head and be connected, and the concertina movement can be to miniature direct current gear motor's output shaft in the axial. Because the motion direction of the toothbrush head is consistent with the traditional tooth brushing direction, the problem that the existing electric toothbrush has small vibration distance, cannot realize the telescopic motion of the toothbrush head at a larger distance and cannot realize the large-area tooth cleaning under the condition that a user does not move the toothbrush by hand is solved.

Description

Electric toothbrush

Technical Field

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

Background

The electric toothbrush is gradually popularized in life, the existing electric toothbrush adopts a motor to drive a toothbrush head to vibrate, the toothbrush head vibrates in a very small distance, and a user needs to drive the vibrating toothbrush to move back and forth by hands.

However, in the process of implementing the embodiment of the present application, the inventor of the present application finds that the above-mentioned technology has at least the following technical problems that the vibration distance of some electric toothbrushes is very small, the telescopic motion of the toothbrush head with a large distance cannot be realized, and the cleaning of teeth with a large area cannot be realized under the condition that a user does not move the toothbrush by hand.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric toothbrush, wherein a toothbrush head can perform telescopic motion at a larger distance, and large-area cleaning of teeth is realized under the condition that a user does not operate the toothbrush by hand.

According to one aspect of the present invention, there is provided an electric toothbrush comprising: toothbrush head, toothbrush handle and miniature direct current gear motor are equipped with first accommodation space in the toothbrush handle, and miniature direct current gear motor sets firmly in first accommodation space, and fixed connection can be dismantled with the toothbrush head to miniature direct current gear motor's output shaft, and telescopic motion can be to miniature direct current gear motor's output shaft in the axial.

Further, still include first waterproof, the first end and the toothbrush head fixed connection of first waterproof, the second end of first waterproof and the first end detachable connection of toothbrush handle, first waterproof is made by flexible material.

Further, the toothbrush handle further comprises a fixing cover, and the fixing cover is used for detachably fixing the second end of the first waterproof piece on the first end of the toothbrush handle.

Further, the flexible member material has elasticity.

Further, the first waterproof member is provided with a folded portion, and the folded portion can be opened or folded.

Further, an electric toothbrush includes second accommodation space, slider and second waterproof, and the second accommodation space sets up the first end at the toothbrush handle, and the slider setting is equipped with slide mechanism between slider and the second accommodation space in the second accommodation space, and slide mechanism's slip direction is unanimous with the flexible direction of miniature DC gear motor's output shaft, the first end and the toothbrush head fixed connection of second waterproof, the second end and the slider fixed connection of second waterproof.

Furthermore, a buffer piece is arranged outside the miniature direct current speed reduction motor and fixedly arranged in the first accommodating space.

Further, the bottom of toothbrush handle is equipped with the bottom, and the bottom is equipped with third prevention water spare.

Furthermore, the waterproof device also comprises a switch key, and a fourth waterproof piece is arranged at the bottom of the switch key.

Furthermore, a connecting piece is arranged between the shaft of the miniature direct current speed reducing motor and the toothbrush head, one end of the connecting piece is fixedly connected with the shaft of the miniature direct current speed reducing motor, and the other end of the connecting piece is fixedly connected with the toothbrush head.

The utility model has the following beneficial effects:

according to the electric toothbrush provided by the utility model, the toothbrush head has large-distance telescopic motion, and large-area cleaning of teeth is realized under the condition that a user does not move the toothbrush by hand.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic perspective view of a first embodiment and a second embodiment of the present invention;

FIG. 2 is an exploded view of a second embodiment of the product of the present invention;

fig. 3 is a schematic perspective view of a first waterproof member according to a second embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a product according to a third embodiment of the present invention

Fig. 5 is a schematic perspective view of a second waterproof member and a sliding member according to a third embodiment of the present invention;

in the figure: 10-toothbrush head; 20-a toothbrush handle; 30-a first waterproof; 31-a fold; 40-fixing a cover; 50-micro dc geared motor; 60-switch keys; 70-bottom cover; 80-a slide; 90-a guide groove; 100-second flashing.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless specified to the contrary, use of the terms of orientation such as "upper, lower, top, bottom" or the like, generally refer to the orientation as shown in the drawings, or to the component itself in a vertical, perpendicular, or gravitational orientation; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the utility model.

In order to solve the problems in the prior art, the present invention provides the following embodiments.

First embodiment

Referring to fig. 1, 2 and 3, a first embodiment of the electric toothbrush of the present invention is shown.

The utility model provides an electric toothbrush, includes toothbrush head 10, toothbrush handle 20 and miniature direct current gear motor 50, is equipped with first accommodation space in the toothbrush handle 20, and miniature direct current gear motor 50 sets firmly in first accommodation space, and fixed connection can be dismantled with toothbrush head 10 to miniature direct current gear motor 50's output shaft, and the concertina movement can be done to miniature direct current gear motor 50 driven output shaft in the axial, and the output shaft drives toothbrush head 10 and is concertina movement along the length direction of toothbrush.

When the output shaft of motor is short, can set up the connecting piece between miniature DC gear motor 50's output shaft and toothbrush head 10, the one end of connecting piece and miniature DC gear motor 50's output shaft fixed connection, the other end and toothbrush head 10 fixed connection of connecting piece, the problem that the output shaft of solution motor that just so can be fine is short.

Further, a buffer member is arranged outside the micro direct current speed reducing motor 50 and fixedly arranged in the first accommodating space, the buffer member can wholly or partially wrap the micro direct current speed reducing motor 50, but at least wraps the front surface and the rear surface of the motor, the buffer member is made of elastic material, the elastic material can absorb the energy of front and rear vibration generated in the work process of the motor, the vibration of the toothbrush handle 20 is reduced, and the comfort level of a user in the use process is improved.

When the toothbrush starts to work, the output shaft of the motor makes telescopic motion, and the output shaft of the motor drives the toothbrush head 10 to make telescopic motion, so that the motion direction of the toothbrush head 10 is consistent with the traditional tooth brushing direction.

The moving distance of the vibrating motor of the traditional electric toothbrush is relatively small, generally about 0.2 mm, and the moving distance of the shaft of the miniature direct current speed reducing motor 50 of the electric toothbrush in the embodiment is relatively large, generally more than 10 mm, so that the traditional electric toothbrush can only clean teeth at a small position under the condition that a user does not move the hand, and the electric toothbrush in the embodiment can clean teeth of a large area.

The electric toothbrush in the embodiment has the advantages that the toothbrush head can do telescopic motion with a large distance, and large-area cleaning of teeth is achieved under the condition that a user does not move the toothbrush by hand.

Second embodiment

Referring to fig. 1, 2 and 3, a second embodiment of the electric toothbrush of the present invention is further optimized based on the first embodiment except that:

the toothbrush further comprises a first waterproof part 30 and a fixing cover 40, one end of the first waterproof part 30 is fixedly connected with the toothbrush head 10 in a sealing mode, the other end of the first waterproof part 30 is connected with the toothbrush handle 20 in a sealing mode, the fixing cover 40 is used for fixing the other end of the first waterproof part 30 on the toothbrush handle 20, and the fixing cover 40 is detachably connected with the toothbrush handle 20, preferably in threaded connection.

The first waterproof member 30 is made of a flexible material, which may be selected from a flexible material having elasticity, or a flexible material having no elasticity, and when the flexible material having no elasticity is selected, the length of the first waterproof member 30 should be slightly long, and when the toothbrush head 10 is moved to the most distal end, the first waterproof member 30 is not in a completely tensed state. When a resiliently flexible material is selected, even if the flexible material is elastically deformed when the brush head 10 is moved to the most distal end, the movement of the brush head 10 is not affected.

Further, the first waterproof member 30 is provided with a folding portion 31, the folding portion 31 is in an opened state when the toothbrush head 10 is moved to the most distal end, the folding portion 31 may be in a fully opened state or a partially opened state, and the folding portion 31 is in a folded state when the toothbrush head 10 is moved to the most proximal end. The first waterproof member 30 having the folded portion 31 is beautiful in structure, inexpensive, economical and practical.

Since the first waterproof member 30 is fixed to the toothbrush handle 20 with the fixing cover 40, water is prevented from entering the inside of the toothbrush handle 20, damaging the motor, the circuit board, and other electronic components inside the toothbrush handle 20.

Further, a bottom cover 70 is provided at the bottom of the toothbrush handle 20, and the bottom cover 70 is provided with a third waterproof member.

Further, the waterproof device also comprises a switch key 60, the switch key 60 can be of a touch type or a press type, and the bottom of the switch key 60 is provided with a fourth waterproof piece.

The waterproof parts are arranged at the switch button 60 and the bottom cover 70, so that the all-around waterproof effect can be realized, the safety of a motor, a circuit board and other electronic components in the toothbrush handle 20 is further ensured, and the toothbrush is prevented from being eroded by water.

Third embodiment

A third embodiment of the electric toothbrush according to the present invention is further optimized based on the first and second embodiments.

Referring to fig. 4 and 5, an electric toothbrush includes a toothbrush head 10, a toothbrush handle 20, a sliding member 80, a second waterproof member 100, and a micro dc deceleration motor 50, wherein a first end of the toothbrush handle 20 is close to the toothbrush head 10, a first receiving space is provided in the toothbrush handle 20, the micro dc deceleration motor 50 is fixedly disposed in the first receiving space, an output shaft of the micro dc deceleration motor 50 is detachably and fixedly connected to the toothbrush head 10, and an output shaft of the micro dc deceleration motor 50 can perform a telescopic motion in an axial direction.

The first end of the toothbrush handle 20 is provided with a second accommodating space, the sliding member 80 is disposed in the second accommodating space, and a sliding mechanism, preferably a sliding rail, is disposed between the second accommodating space and the sliding member 80, and the sliding direction of the sliding rail is consistent with the extending and retracting direction of the output shaft of the micro dc deceleration motor 50.

The slide rail may be a guide rail and guide groove mechanism, for example, the slide member 80 is provided with a guide groove 90, and the second accommodating space is provided with guide rails which are matched to slide, or the guide rails may be provided on the slide member 80 and the guide groove 90 is provided in the second accommodating space.

The first end of the second waterproof member 100 is fixedly connected with the toothbrush head 10 in a sealing manner, the second end of the second waterproof member 100 is fixedly connected with the sliding member 80 in a sealing manner, the second waterproof member 100 can be made of flexible material or hard material, for example, hard plastic can be selected, and metal can be selected as long as the waterproof purpose can be achieved.

When the micro dc deceleration motor 50 starts to perform a telescopic motion, the shaft of the motor pushes the toothbrush head 10 to perform a telescopic motion, the toothbrush head 10 drives the second waterproof member 100, and the second waterproof member 100 drives the sliding member 80 to perform a telescopic motion in the second accommodating space.

This embodiment has all the advantages of the first two embodiments, and the material of the further second flashing 100 can be used in a wider range.

It is to be understood that the above-described embodiments are only a few, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An electric toothbrush, comprising:

a toothbrush head;

the toothbrush comprises a toothbrush handle, a first accommodating space is arranged in the toothbrush handle, and a first end of the toothbrush handle is close to the toothbrush head;

miniature direct current gear motor, miniature direct current gear motor sets firmly in the first accommodation space, miniature direct current gear motor's output shaft with fixed connection can be dismantled to the toothbrush head, the output shaft of miniature direct current gear motor can be at the axial and be concertina movement.

2. An electric toothbrush according to claim 1, wherein: still include first waterproof, first end of first waterproof with toothbrush head fixed connection, the second end of first waterproof with the connection can be dismantled to the first end of toothbrush handle, first waterproof is made by flexible material.

3. An electric toothbrush according to claim 2, wherein: the toothbrush handle further comprises a fixing cover, and the fixing cover is used for detachably fixing the second end of the first waterproof piece on the first end of the toothbrush handle.

4. An electric toothbrush according to claim 3, wherein: the flexible member material has elasticity.

5. An electric toothbrush according to claim 4, wherein: the first waterproof member is provided with a folded portion that can be opened or folded.

6. The electric toothbrush of claim 1, further comprising:

a second receiving space provided at a first end of the toothbrush handle;

the sliding part is arranged in the second accommodating space, a sliding mechanism is arranged between the sliding part and the second accommodating space, and the sliding direction of the sliding mechanism is consistent with the telescopic direction of the output shaft of the miniature direct-current speed reduction motor;

and the first end of the second waterproof piece is fixedly connected with the toothbrush head, and the second end of the second waterproof piece is fixedly connected with the sliding piece.

7. An electric toothbrush according to any one of claims 1 to 6, wherein: and a buffer piece is arranged outside the miniature direct current speed reduction motor and fixedly arranged in the first accommodating space.

8. An electric toothbrush according to any one of claims 1 to 6, wherein: the bottom of toothbrush handle is equipped with the bottom, the bottom is equipped with third prevention water spare.

9. An electric toothbrush according to any one of claims 1 to 6, wherein: the waterproof device further comprises a switch key, and a fourth waterproof piece is arranged at the bottom of the switch key.

10. An electric toothbrush according to any one of claims 1 to 6, wherein: the miniature DC speed-reducing motor is characterized in that a connecting piece is arranged between the shaft of the miniature DC speed-reducing motor and the toothbrush head, one end of the connecting piece is fixedly connected with the shaft of the miniature DC speed-reducing motor, and the other end of the connecting piece is fixedly connected with the toothbrush head.

Images