CN2190974Y

CN2190974Y - Electric toothbrush

Info

Publication number: CN2190974Y
Application number: CN 94210864
Authority: CN
Inventors: 李瑞龙
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-04-28
Filing date: 1994-04-28
Publication date: 1995-03-08
Anticipated expiration: 2004-04-28

Abstract

The utility model relates to an electric toothbrush with rotary brush bristle, and the brush bristle can be dismounted, cleaned or replaced. A base of the toothbrush is provided with two groups of rotatable brush bristles, and the brush bristles is driven by two rotary shafts linking with a motor. The base is provided with an external cover which can be lifted, and the brush bristles are dismounted, cleaned or replaced.

Description

Electric toothbrush

This utility model relates to a kind of electric toothbrush, refers to that especially bristle detachably cleans, changes, and available motor drives bristle rotation, the electric toothbrush that can thoroughly clean tooth.

Tooth has masticatory function, food can be bitten into pieces to be beneficial to digestion, has food debris to accumulate between slot often but chew, if do not clean, can eat into the erosion tooth after residue decomposes, and influences the masticatory function of tooth.

Be cleaning teeth, just have toothbrush to come out, traditional toothbrush as shown in Figure 1, mainly comprise brush and brush holder two parts, be implanted with bristle on the brush, with the bottom on the hand-motion toothbrush, bristle is safeguarded cleaning of teeth with dental surface and teeth space tooth dirt and food debris flush away, reduces the odontopathy incidence rate.

Above-mentioned toothbrush because be up and down with the hand control toothbrush, has inconvenience or awkward in the action, the modern stresses comfortable, armrest is moving brush teeth just unsatisfactory.So there is electric toothbrush (Fig. 2) to occur.The brush up and down that the motor transmission of electric toothbrush makes the brush bristle make similar manual mode moves, and power supply provides motor power to replace the swing of hands to brush teeth, and user effortlessly just can be brushed teeth.

Electric toothbrush is convenient, comfortable, but the electric toothbrush of prior art is to drive bristle with motor to brush up and down, motor is controlled the bristle action with fixed speed and mode, can't resemble when manual can appropriate adjustment dynamics, excessively cleaning can cause tooth enamel effect of attrition tooth life, after the wearing and tearing of the bristle of electric toothbrush simultaneously, must change whole brush, the consumable material cost increases.

The purpose of this utility model is to provide a kind of electric toothbrush, the electric toothbrush that You Zhineng changes, cleans bristle.

The purpose of this utility model is to realize like this, a kind of electric toothbrush promptly is provided, it comprises brush holder and brushhead portion, one motor is arranged in the brush holder, axle center of motor transmission simultaneously two rotating shafts, rotating shaft extends to the brush holder front end and is connected with the bristle of brushhead portion and drives bristle, and two bristles are rotated to different directions respectively; Brush is one to have and can lift the pedestal that closes enclosing cover, respectively extends semicircle before and after the pedestal and holds sheet and make its rotation to take up two groups of bristles, and two to hold between sheet pedestal middle body thread empty, and bristle partly exposes.

The advantage of this utility model electric toothbrush is can clean, change bristle, and easily assembled, it is thorough to wash tooth, practicality, and cost is low.

Below in conjunction with accompanying drawing, toothbrush of the present utility model is described, wherein:

Fig. 1 is the axonometric chart of prior art toothbrush;

Fig. 2 is the axonometric chart of electric toothbrush in the prior art;

Fig. 3 is the axonometric chart of this utility model toothbrush;

Fig. 4 is the STRUCTURE DECOMPOSITION figure of this utility model toothbrush;

Fig. 5 concerns sketch map for this utility model brush component;

Fig. 6 is this utility model toothbrush bristle and pedestal assembling relationship figure;

Fig. 7 is this utility model toothbrush bristle and rotating shaft assembling relationship figure;

Fig. 8 is this utility model toothbrush bristle and motor operated graph of a relation.

At first see also Fig. 3～shown in Figure 5, electric toothbrush of the present utility model mainly comprises brush holder 10 and brush 20 two parts, one motor 11 is arranged in the brush holder 10, two rotating shafts 13 of transmission simultaneously of its axle center, 14, the power of motor 11 provides (also can design on demand provides alternating current) by battery 19, this two rotating

shaft

13,14 extend to the bristle 31 of brush holder 10 front ends and brush 20 parts, 32 are connected, brush 20 has can lift the pedestal 21 that closes enclosing cover 22, pedestal 21 front and back are respectively extended semicircle and are held

sheet

23,24 to take up two groups of

bristles

31,32, and make it to be rotatable state, two hold sheet 23, the central part hollow out of 24 pedestal 21, can make bristle 31, outside 32 parts are exposed to, connect a U type enclosing cover 22 in pedestal 21 1 sides in addition, side is provided with caulking groove 211 in addition, pedestal 21 and enclosing cover 22 connecting portion thinner thicknesses, and being had, enclosing cover 22 can lift the amplitude of closing arbitrarily, enclosing cover 22 side in addition is provided with plug tenon 221, the caulking groove 211 that cooperates pedestal 21, can be with enclosing cover 22 sealings, also can the application of force make plug tenon 221 break away from caulking groove 211, enclosing cover 22 can be lifted and open, battery 19 provides the power start motor 11 runnings, two rotating shafts 13 of motor 11 interlocks, 14 transmissions, two

bristles

31,32 rotations up or down respectively, cooperate the tooth kenel, utilize two groups of

bristles

31,32 from top to bottom scrub last tooth row respectively, following tooth row is scrubbed from the bottom to top, cleaning teeth is more thorough, cause bristle 31 for after avoiding brushing teeth, 32 shelter evil people and countenance evil practices, can lift and open enclosing cover 22 and pull down

bristle

31,32 clean, the back is installed and is covered enclosing cover 22, bristle 31, the new bristle that can change the outfit after 32 wearing and tearing, practical.

Consult Fig. 6 again, bristle 31 of the present utility model, 32 mainly is to hold sheet 23 at pedestal 21 with the assembling of

pedestal

21,24 are provided with suitable caulking groove, for

bristle

31,32

axle center

33,34 are provided with, wherein before hold the caulking groove 27 of sheet 23 and establish two bonding pads 25 by its inner rim, 26, bonding pad 25, respectively offer breach on 26 and have a slotted eye of narrower cervical region down, the caulking groove of consequence sheet 24 directly connects the slotted eye (not shown) of holding sheet 24, sheet 23 is held in front and back, 24 caulking groove is designed so that

bristle

31,32 can assemble with pedestal 21, before hold the caulking groove 27 narrower cervical regions of sheet 23 can be to

bristle

31,32

axle center

33,34 is spacing, its breach can make bristle 31 down when brushing teeth, 32 borrow teeth patterning pressured in caulking groove 27, avoid

bristle

31,32 break away from.

See Fig. 7 again, bristle 31 of the present utility model, 32 with rotating

shaft

13,14 combinations, should

bristle

31,32 dismounting are simple and easy, make rotating shaft 13 again, 14

drive bristle

31,32 rotations, promptly at

bristle

31,32

axle center

33,34 ends are established a slotted eye 35, and establish a filler rod 36 in its inwall, rotating

shaft

13,14 matching design, open a caulking groove 15 in periphery, rotating

shaft

13,14 caulking groove 15 and

bristle

31,32

axle center

33,34 filler rod 36 is corresponding and with rotating

shaft

13,14

insert bristle

31,32 axle center 33, in 34 the slotted eye 35, utilize caulking groove 15 and filler rod 36 to constitute continuous action relation, make

rotating shaft

13,14

drive bristle

31,32 rotations, bristle 31 simultaneously, 32 dismounting are simple and easy.

See Fig. 8 again, toothbrush of the present utility model respectively meshes the

gear

17,18 of two

rotating shafts

13,14 in the both sides of the axle center of motor 11 gear 12, when 12 rotations of motor 11 axle center gears, the

gear

17,18 of two

rotating shafts

13,14 is just along biphase counter-rotation, two groups of bristles of

transmission

31,32 rotation up or down respectively, cooperate up and down the tooth row demand of brushing teeth, last tooth row is brushed from top to bottom, following tooth row is brushed from lower to upper, tooth is thoroughly cleaned, because of

bristle

31,32 rotates for drum-type, can avoid injuring tooth enamel again.

Claims

1, a kind of electric toothbrush comprises brush holder and brush two parts, it is characterized in that, one motor is arranged in the brush holder, axle center of motor transmission two rotating shafts simultaneously, rotating shaft extend to the brush holder front end and are connected with the bristle of brushhead portion and drive bristle, and two bristles are rotated to different directions respectively; Brush is one to have and can lift the pedestal that closes enclosing cover, respectively extends semicircle before and after the pedestal and holds sheet and make its rotation to take up two groups of bristles, and two to hold between sheet pedestal middle body thread empty, and bristle partly exposes.

2, electric toothbrush as claimed in claim 1, it is characterized in that the assembling of two groups of bristles and pedestal, be to hold at pedestal to establish suitable caulking groove on the sheet, so that the bristle axle center to be set, the preceding sheet inner edge that holds is established two bonding pads, respectively has breach on the bonding pad and have a slotted eye of narrower cervical region down, the consequence sheet is then offered the slotted eye that sheet is held in direct perforation, the ccontaining bristle of caulking groove axle center, and spacing with its narrower cervical region to the bristle axle center, avoid bristle to break away from.

3, electric toothbrush as claimed in claim 1, it is characterized in that, two groups of bristles combine with rotating shaft, be to establish a slotted eye in bristle axle center end, and form a filler rod in its inwall, the rotating shaft periphery is offered corresponding caulking groove, when rotating shaft is socketed in the slotted eye in bristle axle center, utilizes the continuous action relation of caulking groove and filler rod to drive the bristle rotation with rotating shaft.

4, electric toothbrush as claimed in claim 1, it is characterized in that, enclosing cover one side is connected with pedestal, have and to lift the amplitude of closing arbitrarily, its other side is provided with a plug tenon, the pedestal respective side is established caulking groove, and plug tenon cooperates fixedly with caulking groove that enclosing cover seals it, but also the application of force makes plug tenon break away from caulking groove enclosing cover is lifted to open.