CN2324988Y

CN2324988Y - Electric tooth-brush

Info

Publication number: CN2324988Y
Application number: CN 98204523
Authority: CN
Inventors: 白宗仁
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-05-12
Filing date: 1998-05-12
Publication date: 1999-06-23
Anticipated expiration: 2008-05-12

Abstract

The utility model relates to an electric tooth-brush, which is composed of a handle, the inside of which is provided with a power device and a transmission device, and an upper output axle rod of the handle which is embedded perpendicularly with a locating rod is connected with bristles, which is composed of a brush casing, a brush cover which wraps and holds a handle and two brush heads. The brush casing top and two slanting sides above the brush casing are provided with a tenon, a groove or fasteners to seal the brush cover. A cover tenon bulges horizontally in the middle of the brush casing. Both sides of the brush rod bottom are provided with rod hooks. A brush groove is arranged near the middle part of the brush casing. The upper part of the brush rod is provided with a hollow rod groove. The brush head is provided with an inlay hole and the brush head outside is provided with a plurality of slots and a brush axle for insertion of a fixed inlay hole. The brush axle is embedded with the brush head. The rod hook combines with a locating rod. The cover tenon causes the brush cover to be embedded with the brush casing. The brush part is connected with the handle. The brush rod which is driven by the output axle rod of the handle makes straight reciprocating movements. The brush heads make inside and outside displacements corresponding to the brush surface because the brush axle makes displacements along the rod groove.

Description

A kind of electric toothbrush

This utility model relates to a kind of electric toothbrush.

Electric toothbrush is the main development trend of present toothbrush, and it has the high speed start that brushes by what, so the doctor also advises replacing traditional toothbrush with electric toothbrush, brushes effect with enhancing.

In fact, present electric toothbrush by direct current motor output, then is transformed into rotation shuttle moving, and then drives the brush of intercalation bristle, makes brush change into rotation via this reciprocating type displacement action, to do to brush operation.The applicant once proposed the 97200225.1st utility application to Patent Office of the People's Republic of China, and " electric toothbrush with sterilization cradle and toothbrush thereof " is an example.

Stomatologic specialty discovers, the action of brushing teeth should be so that brush be moving for good up and down, traditional move left and right to brush action incorrect, and the rotation of brush is not suitable to the action that brushes of upper and lower displacement, should further improve to adapt to the demand of oral hygiene.

For this reason, this utility model purpose is to overcome above-mentioned defective and designs a kind of required electric toothbrush that moves up and down of oral hygiene that meets.

This utility model embodiment is as follows:

The electric toothbrush that this utility model provides, comprise: a handle, inside has power and is the actuating device of linear movement output, and on the output axostylus axostyle that give prominence to the top, vertically sets a positioning rod, locating rod connects brush portion, it is characterized in that also comprising a brush portion, cover double team one brush holder support and two brush header combination form by a brush shell, a brush, wherein brushing the shell below is the pipe body, the corresponding what handle of size upper limb, top and top both side edges are provided with tenon, groove or fastener for chimeric with the brush lid; In the brush finish of top, have the face of two horizontal strips; The corresponding what brush of the size and shape of brush lid shell, and have corresponding hookup mechanisms such as groove, tenon or fastener, the outstanding lid tenon of its stage casing horizontal direction; Brush holder support is a strip, and two bottom sides has hook-shaped pike pole, nearly middle section, then have one vertical to rectangular brush groove, the bigger what lid of its size tenon, corresponding what brush finish place in top has two oblique and hollow out bar grooves that trend is different; And the nearly brush shell face of brush is established an embedding hole, and its outside has some slotted eyes sets for bristles, but and the fixedly brush axle in what embedding hole of an intercalation arranged;

Brush axle passes through bar groove and face and the outer chimeric brush of outstanding what brush shell, and pike pole hooks together the what locating rod, and what brush groove is worn in the embedding of lid tenon, and the brush lid is chimeric with the brush shell, and brush portion links the what handle; The output axostylus axostyle of handle is that linear movement drives brush holder support and moves as linear reciprocation, and brush is with brush axle outer displacement along the displacement of bar groove and in brush finish is done relatively;

The brush shell outside adds puts a face shield, and corresponding face is offered the cover hole; Its inboard then adds cover in, and corresponding face place offers trepanning; Described brush axle sleeve unification wear ring; The unification coupling collar can be reduced and overlap to the length at the top of described brush shell bottom or handle;

It is oblique that described pike pole slightly is, to improve the fastness that hooks together with locating rod.

Further describe this utility model below in conjunction with accompanying drawing, embodiment.

Brief Description Of Drawings:

Fig. 1: the three-dimensional exploded view of this utility model electric toothbrush.

Fig. 2: this utility model case combination rear side viewing profile.

Fig. 3: elevation cross-sectional view during the what peak of this utility model brush holder support position.

Fig. 4: the elevation cross-sectional view that brush was opened outward when brush holder support moved down.

The figure number explanation:

Handle 1 brush portion 2 output axostylus axostyles 11 locating rods 12

Brush shell 21 brushes cover 22 brush holder supports, 23 brushes 24

Coupling collar 25 brush finish 211 faces 212 face shields 213

Cover 215 trepannings 216 lid tenons 221 in the cover hole 214

Pike pole 231 brush grooves 232 bar grooves 233 brush axles 241

Hole 243 bristles, 244 wear rings 245 are planted in embedding hole 242

As shown in the figure, basically, the electric toothbrush that this utility model provides is combined by a handle 1, one brush portion 2.

Wherein, handle 1 is a prior art, inner set battery, motor and actuating device, so that its final output shaft bar is collinear moving up and down, except that aforesaid No. 97200225.1 application case, other label is mode for this reason also, so will not give unnecessary details.

And this utility model feature on the outstanding output axostylus axostyle 11 of what handle 1 the top, is vertically set a positioning rod 12, in order to the brush portion of chatting after linking 2.

As shown in the figure, brush portion 2 is covered 22 double team one brush holder support, 23, two brushes 24 by brush shell 21, a brush and a coupling collar 25 combines.

Wherein, brush shell 21 belows are the pipe body, the corresponding what coupling collar 25 of its size, and its root edge is for depression or outstanding, with chimeric usefulness; And its top and top both side edges, be provided with tenon, groove etc. for covering 42 chimeric with brush, and in the brush finish up 211, have the face 212 of two horizontal strips, supply the embedding of the brush axle 241 of brush 24 to wear, simultaneously, for the wearing and tearing that make 44 of itself and brushes are cushioned, if a face shield 213 embeddings are worn face 212 and covered, and this face shield 213 also has two cover hole 214 corresponding what faces 212 and is connected state, in addition, opposite side also overlaps cover 215 in the unification, and have the rectangular trepanning of two levels 216, and be communicated with what face 212 and cover hole 214, to reach attrition resistant purpose.

Brush cover the corresponding what brush of 22 size and shape shell 21, and chimeric, and its stage casing, the outstanding lid tenon 221 of horizontal direction, the pivot when moving up and down as brush holder support 43, its periphery setting can with brush shell 21 chimeric banded tenons, groove etc.

Brush holder support 23 is the prolate strip, inserts and puts what brush shell 21 and brush cover within 22, and its two bottom sides has hook-shaped pike pole 231, and its purpose hooks together locating rod 12 in the what confession, and this pike pole is reverse setting, and it is preferable to have an oblique angle, hooks together fastness with enhancement.Its top is centre closely, then has the rectangular brush groove 232 of a vertical direction, the bigger what lid of its size tenon 221; And its corresponding what brush finish 211 places, top then have two oblique and hollow out bar grooves 233 that trend is different, pass through for the brush axle 241 of brush 24.

Brush 24 is square, and its outer end is a half-circle-arc shape, and it goes up the embedding hole 242 of setting brush axle 241 chimeric fixedly whats, and in addition, its lateral surface then has some nonpenerative holes 243 of planting, and plants the location for bristle 244 (the showing what Fig. 2) embedding of bunchy.Simultaneously, have attrition resistant effect for making it, brush axle 241 can overlap unification wear ring 245, to increase its life-span.

The bottom of the upper limb of the corresponding what handle 1 of the size of coupling collar 25 and brush shell 21 can chimericly link, and has impermeable characteristic for making it, in conjunction with the time with ultrasound wave mode involution; Coupling collar 25 can not established yet, and a direct extension length by handle 1 and brush shell 21, directly with the ultrasound wave involution.

Please consult Fig. 2 again, during this utility model combination, brush holder support 23 is covered in 22 by double team what brush shell 21 and brush, and brush axle 241 passes through bar groove 233 and chimeric what brush 24,231 of pike poles hook together on the locating rod 12 on the what output axostylus axostyle 11, and brush 24 and bristle 244 are for exposing state.

See also Fig. 3 and Fig. 4, at first that brush portion and handle is chimeric, if during output axostylus axostyle 11 place what low spots, 12 of its locating rods do not link with brush holder support 23 as yet, at this moment, the power supply that starts handle 1 makes output axostylus axostyle 11 be upper and lower displacement because of the transmission of handle 1 inside, and last moving past locating rod 12 is fastened with pike pole 231 along the inclined-plane of pike pole 231, and drives brush holder support 23 synchronously and move up and down.Like this, when as shown in Figure 3 brush holder support 23 is high point, the low spot of 241 what bar grooves 233 of two brush axles, and this moment, omited in brush finish 211 two brushes, 24 its positions, when brush holder support 23 moves down, brush axle 241 upwards reaches the outside along tongue-and-groove 233 and slides, and make brush 24 related capable toward outside slip, so the result that moves of repetitiousness makes when brushing teeth, whole toothbrush brushing teeth during action in horizontal direction, 24 of brushes are respectively upwards and downward high-speed motion, like this, promptly meet the moving requirement of brush up and down of oral hygiene, can do to brush action effectively.

So, to implement via this utility model, its bristle 244 can be made fast moving up and down, and the bristle rotation of this existing toothbrush has significant enhancement effect.

What this utility model disclosed, a kind of for preferred embodiment, all partial changes or modification and source what technological thought of the present utility model and be know this skill those skilled in the art easily what know by inference, all do not break away from this utility model rights protection scope.

Claims

1. an electric toothbrush comprises: a handle, inside have power and are the actuating device of linear movement output, and on the output axostylus axostyle that give prominence to the top, vertically set a positioning rod, and locating rod connects brush portion; It is characterized in that also comprising a brush portion, cover double team one brush holder support and two brush header combination form, wherein brush the shell below and be the pipe body by a brush shell, a brush, the corresponding what handle of size upper limb, top and top both side edges be provided with for and brush cover chimeric tenon, groove or fastener; In the brush finish of top, have the face of two horizontal strips; The corresponding what brush of the size and shape of brush lid shell, and have corresponding hookup mechanisms such as groove, tenon or fastener, the outstanding lid tenon of its stage casing horizontal direction; Brush holder support is a strip, and two bottom sides has hook-shaped pike pole, nearly middle section, then have one vertical to rectangular brush groove, the bigger what lid of its size tenon, corresponding what brush finish place in top has two oblique and hollow out bar grooves that trend is different; And the nearly brush shell face of brush is established an embedding hole, and its outside has some slotted eyes of setting for bristles, but and the fixedly brush axle in what embedding hole of an intercalation arranged;

Brush axle passes through bar groove and face and the outer chimeric brush of outstanding what brush shell, and pike pole hooks together the what locating rod, and what brush groove is worn in the embedding of lid tenon, and the brush lid is chimeric with the brush shell, and brush portion links the what handle; The output axostylus axostyle of handle is that linear movement drives brush holder support and moves as linear reciprocation, and brush is with brush axle outer displacement along the displacement of bar groove and in brush finish is done relatively.

2. by the described electric toothbrush of claim 1, it is characterized in that the described brush shell outside adds to put a face shield, and corresponding face is offered the cover hole; Its inboard then adds cover in, and corresponding face place offers trepanning.

3. by the described electric toothbrush of claim 1, it is characterized in that described brush axle sleeve unification wear ring.

4. by the described electric toothbrush of claim 1, it is characterized in that the unification coupling collar can be reduced and overlap to the length at the top of described brush shell bottom or handle.

5. by the described electric toothbrush of claim 1, it is characterized in that described pike pole slightly is can improve with locating rod to hook together the oblique of fastness.