CN201768041U - Electric toothbrush with forward and backward rotation - Google Patents

Abstract

The utility model discloses an electric toothbrush with forward and backward rotation, which belongs to a tool for cleaning teeth, and the technical key points are that three-key manual switch which controls a power supply is arranged on a battery box which is provided with a dry battery and a direct current motor, bristles of a toothbrush head are distributed on the radial direction along the circumference of a core shaft, the core shaft of the toothbrush head can be sleeved with a motor rotating shaft, and a protective sleeve of the toothbrush head is sleeved on the battery box. The core shaft on the two ends of the toothbrush is penetrated in sliding holes of the protective sleeve. The electric toothbrush with forward and backward rotation has the functions of forward and backward rotation, leads the bristles to downwardly move when brushing teeth on the upper portion, and leads the bristles to upwardly move when brushing the teeth on the lower portion, thereby according with the sanitary standard of brushing teeth, being simple and convenient through keying operation, and being capable of conveniently replacing the toothbrush head.

Description

The electric toothbrush of band rotating

1, technical field: this utility model belongs to the instrument of cleaning teeth, particularly a kind of electric toothbrush.

2, background technology: electric toothbrush is the new product that occurred in recent years, though electric toothbrush is not still popularized in the application of China, existing people foretells that it will become the important a member in the popular health product.Electric toothbrush is compared with ordinary toothbrush, can more thorough removing dental plaque, reduce gingivitis and gingival hemorrhage.Existing electric toothbrush is made up of aneroid battery, DC micromotor, battery case, head toothbrushes, metal casing and sleeve; Dc motor shaft stretches out outside the battery case, and head toothbrushes and metal casing are sleeved on the dc motor shaft, and motor can drive bristle along rotating with the vertical plane of bristle.Electric toothbrush is equipped with the head toothbrushes of various different models applicable to various user.Yet, according to the viewpoint of odontologist, to brush teeth and brush up and down, top tooth is brushed downwards, and following tooth is brush upwards.This toothbrush is not accomplished.

3, summary of the invention: the purpose of this utility model is a kind of electric toothbrush with rotating of design, its bristle distributes on the circumference of mandrel, available different direction of rotation realizes the suitable brush to last lower tooth, has both met the correct requirement of brushing teeth, and has kept the advantage of electric toothbrush again.Adopted following technical scheme for reaching this purpose: the triple bond hand switch of control power supply is arranged, comprise on ﹠ off switch, positive turn key, reverse key on the battery case that aneroid battery and direct current generator are installed.The bristle of head toothbrushes is radial distribution along the mandrel circumference, the mandrel of head toothbrushes can with the machine shaft socket, the sheath of head toothbrushes is socketed on the battery case.The mandrel at head toothbrushes two ends is through in the slide opening of sheath.

Its bristle of electric toothbrush of band rotating is in the circumference upper edge of mandrel radial distribution, and have the rotating function, when brushing the face tooth bristle is moved downward, bristle is moved upward during tooth below the brush, met the hygienic requirements of brushing teeth, it is convenient simply again to change rotation direction by button operation.And head toothbrushes can be changed easily.

4, description of drawings: Fig. 1 is the electric toothbrush structural representation of band rotating.Fig. 2 is the A-A sectional drawing of Fig. 1.

5, specific embodiments: be further described below in conjunction with accompanying drawing.

In the embodiment shown in fig. 1, adorning direct current generator and aneroid battery in the battery case 7, the triple bond hand switch 6 that the control on/off is arranged on the battery case, just changes, reverses, the key that press...withes one's finger when brushing teeth is very convenient.The bristle 3 of head toothbrushes is radial distribution along mandrel 1 circumference, the mandrel of head toothbrushes can with machine shaft 5 sockets, the driven by motor bristle rotates.Head toothbrushes is installed in the sheath 4, and sheath protection and isolation bristle only expose bristle at a direction opening and be used for brushing teeth.The sheath 4 of head toothbrushes is socketed on the battery case, guarantees the connection of head toothbrushes power.The mandrel at head toothbrushes two ends is through in the slide opening 2 of sheath 4, makes it fixed-site, rotates flexibly.

Claims (3)

1. the electric toothbrush of band rotating is made up of battery case that battery and direct current generator are housed and motor-driven head toothbrushes, it is characterized in that: at the battery case that aneroid battery and direct current generator are installed

The triple bond hand switch (6) that the control power supply is arranged (7); The mandrel of head toothbrushes (1) can with machine shaft (5) socket; The sheath of head toothbrushes (4) is socketed on the battery case (7); The mandrel at head toothbrushes two ends is through in the slide opening (2) of sheath.

2. the electric toothbrush of band rotating as claimed in claim 1 is characterized in that: the triple bond hand switch (6) on the battery case (7) comprises on ﹠ off switch, positive turn key, reverse key.

3. the electric toothbrush of band rotating as claimed in claim 1 is characterized in that: the bristle of head toothbrushes (3) is radial distribution along mandrel (1) circumference.

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