CN2239243Y - Electric toothbrush - Google Patents

Abstract

The utility model relates to an electric toothbrush, comprising a brush holder 4, two pairs of speed reducing gears 3, a motor 2, a battery 9, a transmission shaft 4, a rotary brush 5 and transmission gears 10, 6 and 7 of the rotary brush 5. The utility model changes the traditional habit of transverse tooth brushing and has good protective action to the teeth. Because the gear 10 of the rotary brush has small diameter, the mounting dimension of the gear is small and the bulge and the exposed part of the rotary brush are more. The utility model is very convenient to brush the teeth, and the tooth brush cleans the inner and the outer of the teeth conveniently.

Description

Electric toothbrush

This utility model relates to the daily living article technical field, specifically a kind of electric toothbrush.

Present most toothbrushing person all adopts the method for laterally brushing teeth, and shows according to medical research, and it is unscientific laterally brushing teeth, and brings a lot of harms to tooth.The doctor warns people vertically to brush teeth, and protects the tooth of oneself.Electric toothbrush is to protect own tooth best method.Patent 93213313.4 electric double-way toothbrushes, its a pair of rotor brush is that two pitch wheels make its rotation, the protruded length of hairbrush is kept within bounds like this, if it is big that hairbrush exposes the spool gear diameter, the local height of toothbrush cogged, bristle also only exposes finite part, and the tooth inside but the local influence of cogged is brushed teeth also can almost be difficult to clean tooth inside.

The purpose of this utility model is that the gear of a kind of transmission rotating brushes of design is very little, does not mesh mutually, and hairbrush exposes longer, can the inside and outside electric toothbrush for cleaning freely of tooth.

This utility model electric toothbrush comprises brush holder, two pairs of under drive gears, power transmission shaft, rotating brushes travelling gear, rotating brushes, motor, battery.

Brush holder comprises handle body and bonnet, and the handle body can be one, also can be two joints and assembles.

The utility model has the advantages that to change laterally tooth-brushing habit of tradition, tooth is played a very good protection.Because the gear of driven rotary bristle is little, so the gear installation dimension is little, rotation bristle protrusion exposes many, and it is very convenient to brush teeth, and tooth is inside and outside to be cleaned freely.

Below in conjunction with accompanying drawing embodiment is elaborated:

Fig. 1 is the electric toothbrush structure chart.

Fig. 2 is the rotating brushes diagram of gears.

According to Fig. 1, shown in Figure 2, two pairs of under drive gears 3, motor 2, batteries 9 are contained in the brush holder 1, and cover bonnet, rotating brushes 5 is contained in brush holder, and in addition end and each rotating brushes 5 are equipped with travelling gear 10, travelling gear 6 and a driving cog 10, travelling gear 7 engagements, travelling gear 7 and 10 engagements of another travelling gear.Power transmission shaft 4 and travelling gear 6, a gear in the reduction gearing links to each other.Close the lid.

Battery can be aneroid battery or other power supply.

Claims (1)

1. A kind of electric toothbrush comprises brush holder 4, two pairs of reduction gearing 3, motor 2, battery 9, power transmission shaft 4, rotating brushes 5, it is characterized in that travelling gear 10 links to each other with rotating brushes 5, travelling gear 6 and a travelling gear 10, driving cog change 7 and are meshing with each other, and travelling gear 7 and another travelling gear 10 are meshing with each other.

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