CN87203939U

CN87203939U - Double-action rotation type power-driven toothbrush

Info

Publication number: CN87203939U
Application number: CN 87203939
Authority: CN
Inventors: 周显光
Original assignee: Individual
Current assignee: Individual
Priority date: 1987-02-25
Filing date: 1987-02-25
Publication date: 1988-04-20

Abstract

The utility model discloses a double-action rotation type power-driven toothbrush and belongs to a medical health care toothbrush, comprising a brush head and a brush handle. The front half part of the brush head is provided with bristles whose appearance is cylindrical; a double-action DC micromotor, a DC power supply and a switch which can carry out obverse, reverse and stopping rotation are arranged in the brush handle; a drive shaft is arranged on the most significant end of the brush handle. The utility model can make the brush head part with the bristles do the double-action rotation; the motional direction of the bristles is same with the direction of the slits between teeth; the residual food and the tartar in the slits between teeth can be effectively removed; each surface of the teeth can be cleaned.

Description

Double-action rotation type power-driven toothbrush

The utility model belongs to medical health toothbrush.

The cleaning of relevant tooth, medical literature point out that correct method for brushing teeth should be to make the direction of motion of toothbrush bristle identical with the direction of tooth slot.The toothbrush of selling on the domestic and international market all belongs to the reciprocating motion type toothbrush of manual driven (hand-drive) at present, interior slot, inner surface, inconvenience when going up slot, upper surface to molar under the interior slot, inner surface, following slot, lower surface and the cleaning that clean molar, be difficult to satisfy the hygienic requirements that medical circle proposes, the ineffective reviver of hand uses more inconvenient (having the handicapped person to be difficult for keeping cleaning of teeth as old man, hand).

Task of the present utility model is to make the direction of motion of toothbrush bristle identical with people's tooth slot direction, thereby reaches the purpose of teeth caring.

The utility model product structure sees accompanying drawing for details.

Accompanying drawing is the cutaway view of bidirectional rotary type electric toothbrush.

Double-action rotation type power-driven toothbrush is made up of movable brush 1 and brush holder 2. The stamen section of movable brush 1 is cylinder, and cylindrical bristle is equipped with in the left side, and right-hand member is joint, connects brush 1 and brush holder 2, and brush 1 can be driven forward or backwards and rotate, dismantled and assembled or replacing. Brush holder 2 left ends have power transmission shaft 3, support with a miniature bearing 12, and be the axle of bidirectional, dc micromotor 5, also be connector and driving member between brush holder 2 and the brush 1; Waterproof case is 4. Bidirectional, dc micromotor 5 is power sources of the present utility model, and by DC powered, according to the conversion of electric power polarity and the break-make of electric current, its action of can making and being rotated in the forward, counter-rotate and stop the rotation is made same action to drive brush 1. Waterproof sealing between 3 and 4 requires to satisfy with sealing ring 6. First, second and third shelves that are contained in the third gear switch 7 outside the waterproof case 4 at brush holder 2 middle parts are controlled respectively motor 5 and are done to stop the rotation, be rotated in the forward, counter-rotate action. Be the power supply of motor 5 at brush holder 2 right parts and the dry cell in waterproof case 48; Brush holder 2 right-hand members are end cap 9, are used for picking and placeing dry cell 8, can insert little with outer dc source with one on the end cap 9 Type socket 10, the dry cell 8 power supply circuits auto-cutouts in the time of can guaranteeing external dc power supply in the brush holder 2, external dc power supply can be used casing for dry batteries, battery, rectifier transformer. Has the link 11 in order to hang brush holder 2 on the end cap 9.

But the utility model brush bidirectional rotation, to adapt to the need of cleaning teeth different parts, be to replace the manually driven toothbrush with electric power, especially be convenient to the ineffective reviver of hand and use, the movable dismantled and assembled cleaning of brush and replacing can be used for many people (sharing such as a family) brush holder. Brush, brush holder are made simpler.

Claims

1, a kind of rotary electric toothbrush, it comprises movable brush and brush holder, it is characterized in that:

(a) under the movable brush first half bristle is housed.

(b) handle portion is arranged with water-tight device, comprises the bidirectional, dc micromotor in the brush holder, dc source and can do forward, oppositely, the switch of the action of stopping the rotation.

(c) brush holder has a power transmission shaft foremost, is the axle of bidirectional, dc micromotor, also is connector and driving member between brush holder and the movable brush.

2, rotary electric toothbrush according to claim 1 is characterized in that, the bristle profile profile of movable brush is columniform.

3, rotary electric toothbrush according to claim 1, movable brush can be by the dismounting from brush holder of brush axle.

4, rotary electric toothbrush according to claim 1 is characterized in that, the water-tight device of brush holder part is satisfied by waterproof case and waterproof grommet.