CN2271352Y

CN2271352Y - Alternating electric toothbrush

Info

Publication number: CN2271352Y
Application number: CN 96215670
Authority: CN
Inventors: 曾郑年妹
Original assignee: ATAN PLASTIC Co Ltd
Current assignee: ATAN PLASTIC Co Ltd
Priority date: 1996-07-31
Filing date: 1996-07-31
Publication date: 1997-12-31
Anticipated expiration: 2006-07-31

Abstract

The utility model relates to an alternating electric toothbrush. The inner of a brush head is provided with two swinging bodies with toothbrush bristles, the butt-joint surface of the two swinging bodies are correspondingly formed a concave hole, two concave holes are arranged in parallel with an operating bar to be butted to link, one end of one swinging body is provided with an elliptical sleeve hole to supply the insertion of an eccentric lug which is arranged at the end of a driving bar, one of the two swinging body is driven to deflect by the eccentric lug and the rotation of the driving bar, and the other swinging body is driven by the operation bar to make inverse swing with the deflecting of the one swing body to eliminated the swinging acting force of the other swinging body to realize the uneasily shaking. Secondly, blades arranged in a spiral ring range are formed on the bar surface of the driving bar, and throughly communicated slot holes are opened on the blades corresponding to the case bar of a toothbrush bar. By utilizing the rotation of the driving bar, water drops and powder particles are expelled from the slot holes by the spiral blades.

Description

The alternating expression electric toothbrush

This utility model is the new design about a kind of alternating expression electric toothbrush, the pendular body of You Zhiyi order band bristle can be coordinates staggered sideshake, shaking force when lowering swing, and make that the drive rod that drives pendular body is suitable when rotation can get rid of water droplet or dentifrice powder.

The design of electric toothbrush at present, the mode of complying with its bristle motion generally is divided into concentric rotation and two kinds of forms of reciprocally swinging; Wherein, the electric toothbrush of rotary bristle, the moving direction of its brush is rounded around, and the how circular design of the arrangement of bristle; General correct teeth brushing way is to be vertically for carrying over the tooth slot that brush is moving up and down, base this, the teeth brushing way that the electric toothbrush of revolving type motion is more correct is real discrepancy, it is as if the start form of grinding one's teeth in sleep and impracticable.

With regard to the electric toothbrush of reciprocally swinging formula, mainly be with one can before and after displacement tough bar with projection it on stretch place the band bristle turn to body bottom side skewed slot, utilize projection to promote to turn to again its side back and forth that becomes decide angle commentaries on classics swung along skewed slot; So, this design because of the swing form of its all bristles all with the single side that turns to body then be swinging synchronously and in the same way, it is the balance that is unfavorable for the brushhead of bristle itself, and the design based on toothbrush needs to cooperate the oral cavity conveniently to stretch into, the general shaft that connects brushhead is comparatively elongated, and the brushhead of uneven motion is through the easier vibrations that cause whole toothbrush of the flexibly-acting of elongate body, and it not only makes palm that vibratory sensation is easily arranged, and the also influence to some extent of comfort when brushing teeth.

Again, know clearly and grind present electric toothbrush design, it is greatly more than requirement to some extent on the water proofing property of circuit structure, but brush body itself is planned the structure of draining and removing foreign body very less; Therefore, commonly using electric toothbrush is residual water droplet in the common brush body, and the antibacterial that derives easily scales, and because of present part dentifrice contains the friction powder, and residuing in the brush body with the passing of time gradually accumulation jointly down when powder and water droplet, it is the running that easily hinders internal works, reduces service life.

And the purpose of this utility model promptly is to provide a kind of alternating expression electric toothbrush, and purport is to improve the harmony of bristle swing, reduces the shaking force when using, and makes toothbrush body have the function of a draining and removing infiltration foreign body.

Concrete structure is: brushhead inside is provided with the pendular body of two band bristles, one pendular body one end is established tool one oval trepanning, can for a drive rod with its end eccentric projection stretch to, and the abutted surface of two pendular bodies respectively forms a shrinkage pool, supports into two shrinkage pools and therebetween establish a drive link; In addition, coat on the brush holder support of drive rod and form permeable trench hole; Make the one pendular body be subjected to drive rod to drive beat with eccentric projection, it is difficult for vibrations through drive link and the staggered backswing negative function power of bristle, and the drive rod of utilization rotation can push water droplet with helical blade on it or powder is discharged by slotted eye.

Alternating expression electric toothbrush provided by the utility model, its structural design is special, is different from the past finding, and coordinates reasonably to construct to have practicality, and product come smoothly, facility far beyond commonly using in the use.

Below in conjunction with drawings and Examples this utility model is further described.

Fig. 1 is a three-dimensional exploded view of the present utility model;

Fig. 2 is an assembled sectional view of the present utility model;

Fig. 3 is illustrative view of the present utility model (overlooking section);

Fig. 4 is illustrative view of the present utility model (facing section).

At first consult Fig. 1, the brush holder support body construction that this utility model applies to brush teeth mainly is to include involutory two affixed shell bars 1,2, two up and down to be arranged at

pendular body

3,4, in shell bar 1,2 leading sections and to be located at members such as the drive link 5 of 3,4 of two pendular bodies and a drive rod 6, and the brush holder structure of associated drives electric source structure is to be same as generally to commonly use electric toothbrush, non-improvement emphasis of the present utility model, in hereinafter giving unnecessary details, also do not have in graphic and represented, below promptly illustrate one by one with regard to structure improved each member designs of this utility model; Wherein:

The inner face that is involutory of two shell bars, 1,2 bar portions forms

recessed tank

11,21, be installed with for a drive rod 6, in the

tank

11,21 and form flange 111,211 with the location drive rod 6, and offer logical slotted

eye

12,22 in bar portion place, form the

brushhead

13,23 of wide cut in addition in two shell bars, 1,2 front ends, upside brushhead 13 end faces have a suitable wide opening 131, supporting that periphery formation arc song protrudes out ends edge 132, downside brushhead 23 then respectively forms a concave arc groove 231,232 in interior bottom side front and back ends, and in the place establish a jack-post 233; Two

pendular bodies

3,4 be can connect and form corresponding to the block of shell bar 1,2

brushhead

13,23 inner spaces, end face arc song is established

tool bristle

31,41 altogether, and on the recess of two blocks butt joint end face, respectively form a

shrinkage pool

32,42, the rear end of one pendular body 3 also forms the oval trepanning 33 of an outside root edge boss, and front end place in bottom side establishes an

arc projection

34, and 4 of another pendular bodies are also established an arc projection 43 in the bottom; Drive link 5 is the bodies of rod for two ends dribbling piece 51, its central authorities and molding one trepanning 52; Drive rod 6 is solid elongated, the thick wide interior empty rod tube body of back segment of a leading portion, the end of its leading portion body of rod is to form an eccentric round bump 61, and projection 61 forms the annular blade 62 of spiral to the pole face between the back segment body of rod, and connects in blade 62 ends and to establish a convex ring body 63;

When being made up by above-mentioned member, as shown in Figure 2, make drive rod 6 be placed in 111,211 of the flanges of two shell bars, 1,2 bar portion

inner face tanks

11,21 with the back segment body of rod, the leading portion body of rod then extends to

brushhead

13,23 places; In addition, two

pendular bodies

3,4 give and joining and with shrinkage pool 32 therebetween, the two ends ball piece 51 that 42 covers are butted on drive link 5 places brushhead 13 again, in 23, make rear side pendular body 3 interlock eccentric projection 61 ends of drive rod 6 with oval trepanning 33, and two

pendular bodies

3,4 respectively with the arc projection 34 of bottom side, 43 embeddings are butted on two concave arc grooves 232 of bottom side in the downside brushhead 23,231, and make drive link 5 with central trepanning 52 pivot groups in jack-post 233, simultaneously, two

pendular bodies

4,3 end face periphery just supports with upside brushhead 13 openings 131 peripheries and ends edge 132 and connect, and limits two pendular bodies 4 and give, 3 unlikely bobs; Moreover two shell bars 1,2 involutory affixed adopts thermal welding or other modes are implemented, and can be nested with a retainer ring 7 banding in addition in the rear end body of rod.

And when start is implemented in this utility model running, as Fig. 3, shown in 4, this drive rod 6 can be subjected to motor and axostylus axostyle (not shown) driven rotary thereof, promptly stretch after its body of rod rotation and promote pendular body 3 reciprocal beats in the oval trepanning 33 that is butted on rear side pendular body 3 with the eccentric projection 61 of front end, and another pendular body 4 through drive link 5 interlock front sides moves from reverse beat, cause two

pendular bodies

3,4 and go up

bristle

31,41 staggered swings in the other direction, it is two pendular bodies 3 not only, 4 swing active force is cancelled out each other, reach and cause a balance, the effectiveness of not having violent amplitude, with the moving direction of the brush that also can meet proper teeth brushing way, not only made things convenient for and used but also the tool health requirements; In addition, during drive rod 6 rotations, helical blade 62 more can push the water droplet that infiltrates in the bar portion or the friction powder of dentifrice on its leading portion body of rod pole face, is subjected to centrifugal action by 12,22 discharges of the permeable trench hole in shell bar 1, the 2 bar portions and give guide to blade 62 terminal convex ring bodies 63 places.

Claims

1. alternating expression electric toothbrush, it is characterized in that: include members such as two shell bars, two pendular bodies, a drive link and a drive rod, wherein two shell bars can be up and down with close, the body of rod of interior holding groove, and the shaft front end forms the brushhead of ccontaining of band opening on the wide cut and interior tool; The brushhead inner space is provided with the pendular body of the bent band of two end face arcs bristle, what the open circumferential of brushhead and arc song protruded out supports edge to pasting pendular body to ending edge, the end face of butt joint in opposite directions of its two pendular body respectively is provided with two shrinkage pools, establishing a drive link between two shrinkage pools again supports into connection, and one pendular body rearward end forms an oval trepanning, reach in the bottom side of two pendular bodies each molding one arc projection, embedding is butted on the corresponding concave arc groove that is provided with in bottom side in the brushhead; Live in the inner tank of the shaft of this shell bar in addition and establish a drive rod, drive rod is extension rod end molding one eccentric projection of brushhead one end in opposite directions, stretch in the oval trepanning that is butted on above-mentioned pendular body, and the pole face that drives bar is provided with the annular blade of spiral, and on the shell bar relatively the blade place form permeable trench hole.