CN202920389U

CN202920389U - Electric toothbrush

Info

Publication number: CN202920389U
Application number: CN 201220539904
Authority: CN
Inventors: 李长鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-10-19
Filing date: 2012-10-19
Publication date: 2013-05-08
Anticipated expiration: 2022-10-19

Abstract

The utility model provides an electric toothbrush and belongs to the technical field of articles for daily use. The problems that the conventional electric toothbrush is poor in waterproof effect and the application is easily influenced are solved. The electric toothbrush comprises a toothbrush handle, a toothbrush rod and a toothbrush head with bristles, wherein a cavity is formed in the toothbrush handle; a motor and a battery compartment are arranged in the cavity; a switch capable of controlling on/off of the motor is arranged on the toothbrush handle; one end of the toothbrush rod is fixedly connected with the toothbrush head, and the other end of the toothbrush rod is inserted into the cavity at the end of the toothbrush handle and is hinged with the toothbrush handle; the motor can drive the toothbrush rod to swing up and down; and a waterproof piece which can keep the joint of the toothbrush rod and the toothbrush handle sealed is arranged between the toothbrush handle and the toothbrush rod. The electric toothbrush has the advantages of effectively cultivating an accurate tooth brushing habit, along with good waterproof effect, high application value and the like.

Description

A kind of electric toothbrush

Technical field

This utility model belongs to technical field of living goods, relates to a kind of electric toothbrush.

Background technology

In the last few years, toothbrush, toothpaste, method for brushing teeth reached and the relevant problem of brushing teeth, and had become the important topic of oral cavity preventive medicine research.People's brush teeth way of act and custom affect the popular tendency of some oral disease to a certain extent.Brush teeth and can remove to a certain extent bacterial plaque, the tooth of removing in the oral cavity is dirty, thereby takes care of one's teeth, the generation of pre-preventing tooth diseases, but to expect good toothbrushing effect, must the suitable toothbrush of handlebar.At present, the toothbrush that uses in our daily life is all that a side at brush holder is with bristle, the usage of custom is the horizontal brush in left and right, this custom of brushing teeth does not namely totally have again the danger of damage gingiva, the method for brushing teeth of science should be along the upper and lower perpendicular brush of tooth, yet utilize the existing toothbrush that uses, armrest is moving is difficult to the toothbrushing effect that reaches desirable.

For addressing the above problem, people have proposed various settling modes.A kind of electric health-care toothbrush [application number: 89212999.9] is disclosed as Chinese patent, it has motor, brush power transmission shaft, brush, housing, battery, eccentric cam, swing arm, arm shaft, gear are housed on motor successively, on the brush power transmission shaft, gear is housed, gear on gear on motor and brush power transmission shaft is intermeshing, by the driven by motor eccentric cam, the rotation of eccentric cam swings back and forth swing arm, thereby the gear on same axis is swung back and forth, and the swing of drive brush reach the purpose of brushing teeth.

Although arranging sealing ring on the brush power transmission shaft, above-mentioned electric health-care toothbrush reaches waterproof effect, but brush is in swing state in the process of brushing teeth, therefore the sealing ring between brush power transmission shaft and housing also is in swing state, cause existing all the time between brush power transmission shaft and housing the gap, can not effectively prevent flooded condition, impact thereby still have water to enter the interior use to motor of housing in the process of brushing teeth, and have influence on the normal use of toothbrush.

Summary of the invention

The purpose of this utility model is the problems referred to above that exist for prior art, has proposed a kind of electric toothbrush that can effectively improve people's tooth-brushing habit, good water-proof effect.

the purpose of this utility model can realize by following technical proposal: a kind of electric toothbrush, comprise toothbrush handle, brush rod and the head toothbrushes with bristle, have a cavity in described toothbrush handle and be provided with motor and battery compartment in described cavity, also be provided with on described toothbrush handle and can control the switch that motor opens and closes, it is characterized in that, one end of described brush rod is connected mutually with above-mentioned head toothbrushes, the described brush rod other end is plugged in the cavity of described toothbrush handle end and is hinged with toothbrush handle, described motor can drive described brush rod and swing up and down, be provided with the junction that can make described brush rod and toothbrush handle between described toothbrush handle and brush rod and keep the waterproof case of sealing.

Before use, battery is put into the battery compartment of toothbrush handle, by switch, battery and motor are connected, electric motor starting makes with the hinged brush rod of toothbrush handle and swings up and down.Swing up and down owing to driving brush rod by motor action, therefore need not manual brushes.When stretching into toothbrush in water in the process of brushing teeth simultaneously, waterproof case between toothbrush handle and brush rod can prevent that sealing is from bleeding toothbrush handle inside between toothbrush handle and brush rod, thereby guarantee to be in all the time sealing state between brush rod and toothbrush handle, toothbrush can normally use, and waterproof case can reset along with brush rod after brush rod stops swinging.

In above-mentioned electric toothbrush, the end end that described brush rod is plugged in the toothbrush handle end has cavity, described electric machine main shaft place is connected with an eccentric cam, described eccentric cam be positioned at cavity and when electric machine main shaft rotates eccentric cam can drive brush rod and swing up and down.When electric machine main shaft rotated, eccentric cam was along with spindle swing, and contacted with brush rod cavity medial wall in swing process, swung up and down thereby drive brush rod.

In above-mentioned electric toothbrush, the medial wall touching position with the cavity of brush rod on described eccentric cam is provided with bearing.Contact by bearing between eccentric cam and brush rod cavity medial wall, can reduce the wearing and tearing that both frictions cause, increase the service life.

In above-mentioned electric toothbrush, described waterproof case is tapered sealing shroud, the two ends of described sealing shroud are equipped with the annular seal of protrusion, be equipped with the annular groove corresponding with annular seal on described brush rod and toothbrush handle, the annular groove on described brush rod and toothbrush handle closely cooperates with the annular seal at sealing shroud two ends respectively.Annular groove on the annular seal at sealing shroud two ends and brush rod and toothbrush handle closely cooperates, when toothbrush stretches in water, can prevent that sealing enters toothbrush handle inside, prevents that also brush rod from producing the gap when swinging up and down and between sealing shroud and leaking simultaneously.

In above-mentioned electric toothbrush, described head toothbrushes and bristle adopt commaterial disposable injection molded.Enhance productivity by disposable injection moulding mode, but mass production is simultaneously also more durable.

In above-mentioned electric toothbrush, described head toothbrushes and brush rod are for removably connecting.

In above-mentioned electric toothbrush, described head toothbrushes inside is cavity, the inner chamber two side of described head toothbrushes is provided with elastic projection, the shape of the end end that described brush rod and head toothbrushes link and the head toothbrushes inner chamber is complementary and brush rod these both sides, end end are provided with the recess corresponding with the elastic projection position.In when assembling, brush rod is inserted in head toothbrushes, make brush rod firmly to be connected with head toothbrushes by elastic projection and the cooperation of recess, long between in use after also conveniently replaced head toothbrushes.

In above-mentioned electric toothbrush, described head toothbrushes inside is cavity, and its shape of end end and head toothbrushes inner chamber that described brush rod and head toothbrushes link are complementary, and described brush rod and head toothbrushes are connected by screw.

In above-mentioned electric toothbrush, described sealing shroud adopts elastomeric material to make.Adopt the sealing shroud that elastomeric material is made to reset after generation deformation.

In above-mentioned electric toothbrush, described toothbrush handle comprises fixed part and the rotating part that can rotate with respect to fixed part, described switch is in the fixed part of toothbrush handle and the junction between rotating part, and described switch can starter motor after rotating part rotates with respect to fixed part.Switch is arranged at the junction of toothbrush handle fixed part and rotating part, takes full advantage of the space, also make toothbrush integral body more attractive in appearance.

In above-mentioned electric toothbrush, described motor is variable speed electric motors, particularly, and described toothbrush handle is provided with the gear corresponding with each rotating speed of motor.By the exportable different rotating speed of variable speed electric motors, particularly, provide different brush speeds.

Compared with prior art, this electric toothbrush has the following advantages:

1, this electric toothbrush utilizes eccentric cam drive brush rod to swing up and down, can effectively help user to give up the mistake custom of the horizontal brush in left and right, and cultivate simultaneously the correct custom of brushing teeth up and down, safeguard the health of tooth, and the bearing on eccentric cam can be reduced friction, and increases the service life;

2, this electric toothbrush utilizes sealing shroud that rubber makes as waterproof case, guaranteed the sealing effectiveness between brush rod and toothbrush handle, effectively prevented the situation of leaking in toothbrush handle, guaranteed the service life of motor, also guaranteed the normal use of toothbrush, although adopted the parts such as motor and waterproof case, the profile of this electric toothbrush and ordinary toothbrush and indistinction simultaneously;

3, it is disposable injection molded that this electric toothbrush dens in dente brush and bristle adopt same material, and the bristle difficult drop-off is more durable, also convenient when producing simultaneously, but mass production, and economy is higher;

4, this electric toothbrush dens in dente brush and brush rod be for removably connecting, and the periodic replacement after having facilitated toothbrush service time long is changed required cost low, and practical value is high, brushes and to compare with changing whole rooted tooth simultaneously, only changes head toothbrushes environmental protection more;

5, this electric toothbrush adopts rotation mode to come starter motor, and a plurality of rotating speed gears are set, novel structure, and profile is comparatively attractive in appearance, can be fit to again different people to the custom of brush speed simultaneously, and the suitability is wider.

Description of drawings

Fig. 1 is the structural representation of this electric toothbrush toothbrush handle.

Fig. 2 is the schematic diagram of this electric toothbrush brush rod and motor connecting place.

Fig. 3 is the structural representation of this electric toothbrush sealing shroud.

Fig. 4 is the schematic diagram that this electric toothbrush brush rod and head toothbrushes removably connect.

Fig. 5 is the structural representation at this electric toothbrush toothbrush handle switch place.

Fig. 6 is brush rod in this electric toothbrush embodiment four and the schematic diagram of motor connecting place.

In figure, 1, toothbrush handle; 2, brush rod; 3, head toothbrushes; 4, bristle; 5, battery compartment; 6, motor; 7, switch; 8, cavity; 9, eccentric cam; 10, bearing; 11, sealing shroud; 12, annular seal; 13, recess; 14, fixed part; 15, rotating part; 16, battery cabin cap.

The specific embodiment

Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but this utility model be not limited to these embodiment.

Embodiment one

As Fig. 1 and shown in Figure 5, a kind of electric toothbrush, comprise toothbrush handle 1, brush rod 2, head toothbrushes 3, has bristle 4 on head toothbrushes 3, toothbrush handle 1 has cavity, is provided with motor 6 and battery compartment 5 in the cavity of toothbrush handle 1, also is provided with the switch 7 that starts and close for controlling motor 6 on toothbrush handle 1, one end of brush rod 2 is plugged in the end of toothbrush handle 1 and is hinged with toothbrush handle 1, and the other end of brush rod and head toothbrushes 3 are connected.In the present embodiment, toothbrush handle 1 surface also is provided with battery cabin cap, head toothbrushes 3 adopts commaterial disposable injection molded with bristle 4, toothbrush handle 1 comprises fixed part 14 and rotating part 15, rotating part 15 can rotate with respect to fixed part 14, the junction of switch 7 on toothbrush handle 1 between fixed part 14 and rotating part 15, motor 6 is variable speed electric motors, particularly 6, toothbrush handle 1 is provided with the gear corresponding with motor 6 every speeds.

As shown in Figure 4, between head toothbrushes 3 and brush rod 2 for removably connecting, head toothbrushes 3 inside are cavity, the inner chamber two side of head toothbrushes 3 is provided with elastic projection, shape and head toothbrushes 3 inner chambers of the end end that brush rod 2 and head toothbrushes 3 are connected mutually are complementary, and are provided with the recess 13 corresponding with the elastic projection position in these both sides, end end of brush rod 2.

As depicted in figs. 1 and 2, the end end that brush rod 2 is plugged in toothbrush handle 1 end has cavity 8, the main shaft of motor 6 is connected with eccentric cam 9 simultaneously, and cavity 8 and eccentric cam 9 that eccentric cam 9 is positioned at brush rod 2 are provided with bearing 10 with brush rod 2 cavity 8 medial wall touching positions.

As shown in figures 1 and 3, be provided with waterproof case between toothbrush handle 1 and brush rod 2, waterproof case can reset swing up and down generation deformation along with brush rod 2 after.Waterproof case is tapered sealing shroud 11, and sealing shroud 11 adopts elastomeric material to make.The two ends of sealing shroud 11 are equipped with the annular seal 12 of protrusion, are equipped with the annular groove corresponding with annular seal 12 positions and the annular groove on brush rod 2 and toothbrush handle 1 on brush rod 2 and toothbrush handle 1 and closely cooperate with the annular seal 12 at sealing shroud 11 two ends respectively.In the present embodiment, the end that sealing shroud 11 matches with brush rod 2 is small end, and the end that sealing shroud 11 matches with toothbrush handle 1 is large end.

When using this electric toothbrush to brush teeth, open battery cabin cap 16, battery is put into battery compartment 5, rotating part 15 on rotary tooth brush handle 1, switch 7 between toothbrush handle 1 rotating part 15 and fixed part 14 is connected battery 5 and motor 6, and motor 6 gets electric and motor 6 main shafts begin to drive eccentric cam 9 rotations.Eccentric cam 9 contacts with the medial wall of brush rod 2 cavitys 8 in rotation process, and brush rod 2 just stretches out toothbrush handle 1 place take it and swings up and down as fulcrum.

In addition, sealing shroud 11 together moves with brush rod 2 in brush rod 2 swing process, and after finishing to swing, brush rod 2 resets, thereby guarantee all the time the sealing effectiveness between brush rod 2 and toothbrush handle 1, prevent water on head toothbrushes 3 and brush rod 2 enter in toothbrush handle 1 or when stretching into this toothbrush in water the normal use to the interior motor 6 of toothbrush handle 1 impact.

This electric toothbrush utilizes motor 6 to realize automatically brushing teeth up and down, can effectively help user to cultivate correct good tooth-brushing habit, safeguards the health of tooth.Simultaneously, head toothbrushes 3 adopts to removably connect with brush rod 2 and has namely facilitated periodic replacement head toothbrushes 3, has also saved when both employings are connected mode and has changed the required cost of toothbrush, has practical value preferably.

Embodiment two

Structure and the principle of the present embodiment and embodiment one are basic identical, difference is: brush rod 2 and head toothbrushes 3 are also for removably connecting, be cavity in head toothbrushes 3, the end shape of brush rod 2 and head toothbrushes 3 inner chambers are complementary, insert in the inner chamber of head toothbrushes 3 end of brush rod 2, and both connect by screw.

Embodiment three

Structure and the principle of the present embodiment and embodiment one are basic identical, and difference is: waterproof case is the seal washer that is arranged at brush rod 2 and toothbrush handle 1 hinged place.

Embodiment four

Structure and the principle of the present embodiment and embodiment one are basic identical, and difference is: as shown in Figure 6, the eccentric cam 9 that uses in the present embodiment adopts integrated bearing.The eccentric cam 9 of integrated bearing structure make and easy to process, production cost is low, has the higher suitability.

Specific embodiment described herein is only to the explanation for example of this utility model spirit.This utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Claims

1. electric toothbrush, comprise toothbrush handle (1), brush rod (2) and have the head toothbrushes (3) of bristle (4), have a cavity in described toothbrush handle (1) and be provided with motor (6) and battery compartment (5) in described cavity, also be provided with on described toothbrush handle (1) and can control the switch (7) that motor (6) opens and closes, it is characterized in that, one end of described brush rod (2) is connected mutually with above-mentioned head toothbrushes (3), described brush rod (2) other end is plugged in the cavity of described toothbrush handle (1) end and is hinged with toothbrush handle (1), described motor (6) can drive described brush rod (2) and swing up and down, be provided with between described toothbrush handle (1) and brush rod (2) and can make described brush rod (2) and the junction of toothbrush handle (1) keep the waterproof case of sealing.

2. electric toothbrush according to claim 1, it is characterized in that, the end end that described brush rod (2) is plugged in toothbrush handle (1) end has cavity (8), described motor (6) main shaft place is connected with an eccentric cam (9), described eccentric cam (9) be positioned at cavity (8) and when motor (6) main shaft rotates eccentric cam (9) can drive brush rod (2) and swing up and down.

3. electric toothbrush according to claim 2, is characterized in that, the medial wall touching position of the cavity (8) of the upper and brush rod (2) of described eccentric cam (9) is provided with bearing (10).

4. according to claim 1 and 2 or 3 described electric toothbrushes, it is characterized in that, described waterproof case is tapered sealing shroud (11), the two ends of described sealing shroud (11) are equipped with the annular seal (12) of protrusion, be equipped with the annular groove corresponding with annular seal (12) on described brush rod (2) and toothbrush handle (1), the annular groove on described brush rod (2) and toothbrush handle (1) closely cooperates with the annular seal (12) at sealing shroud (11) two ends respectively.

5. according to claim 1 and 2 or 3 described electric toothbrushes, is characterized in that, described head toothbrushes (3) adopts commaterial disposable injection molded with bristle (4).

6. according to claim 1 and 2 or 3 described electric toothbrushes, is characterized in that, described head toothbrushes (3) and brush rod (2) are for removably connecting.

7. electric toothbrush according to claim 6, it is characterized in that, described head toothbrushes (3) inside is cavity, the inner chamber two side of described head toothbrushes (3) is provided with elastic projection, the shape of the end end that described brush rod (2) and head toothbrushes (3) link and head toothbrushes (3) inner chamber is complementary and brush rod (2) these both sides, end end are provided with the recess (13) corresponding with the elastic projection position.

8. electric toothbrush according to claim 4, is characterized in that, described sealing shroud (11) adopts elastomeric material to make.

9. according to claim 1 and 2 or 3 described electric toothbrushes, it is characterized in that, described toothbrush handle (1) comprises fixed part (14) and the rotating part (15) that can rotate with respect to fixed part (14), described switch (7) is positioned at the fixed part (14) of toothbrush handle (1) and the junction between rotating part (15), and described switch (7) can starter motor (6) after rotating part (15) rotates with respect to fixed part (14).

10. electric toothbrush according to claim 9, is characterized in that, described motor (6) is variable speed electric motors, particularly (6), and described toothbrush handle (1) is provided with the gear corresponding with each rotating speed of motor (6).