CN104203148B

CN104203148B - Electric toothbrush

Info

Publication number: CN104203148B
Application number: CN201380015240.2A
Authority: CN
Inventors: 渡边爱; 森口纯
Original assignee: Lion Corp
Current assignee: Lion Corp
Priority date: 2012-03-23
Filing date: 2013-03-22
Publication date: 2016-05-04
Anticipated expiration: 2033-03-22
Also published as: KR102070083B1; WO2013141359A1; CN104203148A; JPWO2013141359A1; KR20140147078A; JP6122839B2

Abstract

A kind of electric toothbrush, formed by head (13), neck (12), operating portion (10), there is monetary apparatus vibrating motor (17) at head bottom surface side, head upper surface side have mounting or dismounting freely plant hair plates (22), operating portion (11) is accommodated with battery and switch portion, toothbrush utilizes described vibrating motor and vibrates, and described vibrating motor moves by the power supply from described battery. The invention provides a kind of electric toothbrush, can guarantee that the intraoral operability of brushing teeth also makes head vibration reliably, and can realize miniaturization and lightweight, can improve Portability, and good economy performance.

Description

Electric toothbrush

Technical field

The present invention relates to a kind of electric toothbrush of Portability excellence.

The application requires preferential in No. 2012-068043, the patent Patent of Japanese publication based on March 23rd, 2012Power, and quote its content at this.

Background technology

In recent years, not only within the family, and the situation of brushing teeth in work unit or this place of going out of travelling is a lot.Therefore, toothbrush is required to Portability, but the in the situation that of electric toothbrush, because entirety maximizes, carry therefore producedThe problem that property is poor.

As electric toothbrush, known have plant rotary that the head of multiple brushes is rotated, and planted multiple brushesThe oscillatory type vibrated of head. Oscillatory type is to utilize to be located at core shift on motor output shaft hammer and to make to brush entirety and shakeMoving structure, because constitutional detail is few, therefore than the rotary electric toothbrush integral miniaturization that makes.

As the electric toothbrush of oscillatory type, for example, there is the electric toothbrush 1 shown in Fig. 6.

Electric toothbrush 1 has: user carries out the operating portion 2 of holding operation; Be arranged on the neck 3 on operating portion 2;And be located at the head 4 on the top of neck 3.

In the inside of operating portion 2, for example, have: the power supply 5 of No. 7 batteries etc.; Power supply by power supply 5 is supplied withThe motor 6 that row drives; Be arranged on the core shift hammer 7 on motor 6 output shaft 6a; And by the driving of motor 6Give the switch 8 of on/off etc. Motor 6 and core shift hammer 7 form vibration generating mechanism, this vibration generating mechanismGiving head 4 by neck 3 vibrates.

Neck 3 is integrated with head 4, and neck 3 is detachable with respect to operating portion 2.

So, for electric toothbrush, owing to must equip at least motor and the battery etc. of motor etc. on operating portionPower supplys etc., therefore miniaturization aspect can't meet, can produce the inconvenient problem of carrying.

Therefore,, for a kind of small-sized and electric toothbrush that Portability is good is provided, various schemes have been proposed. For example, allusion quotationHaving of type: plant the head of brush and the two rooted teeth brushes that neck is integrated taking off from the operating portion with drive division etc.Under the state of body, this two rooted teeth brush body is accommodated in to an electric toothbrush (patent documentation 1) in box together with operating portion;Be arranged on the electric toothbrush (patent documentation 2) of the brush body on operating portion with the toothbrush case covering of tubular; And by electronicMachine is configured in neck root side to realize electric toothbrush (patent documentation 3,4) of miniaturization etc.

Or, propose to be embedded with at head the electric toothbrush (patent documentation 5,6) of so-called linear motor, or moreThe electric toothbrush (patent documentation 7) that drive division and brush portion are contained in the portion of changing.

Patent documentation 1: Japanese patent laid-open 8-80220 communique

Patent documentation 2: No. 4681079 communique of Japanese Patent Laid

Patent documentation 3: Japanese Patent Laid-Open 2003-93415 communique

Patent documentation 4: No. 4748267 communique of Japanese Patent Laid

Patent documentation 5: Japanese Patent Laid-Open 2009-106355 communique

Patent documentation 6: Japanese Patent Laid-Open 2009-45202 communique

Patent documentation 7: Japanese Patent Laid-Open 2011-143057 communique

Invent problem to be solved

But, for example, for two rooted tooth brush bodies being accommodated in together with operating portion described in a patent documentation 1 in boxElectric toothbrush, must use time, brush body is arranged on the driving shaft of operating portion, while use, get from driving shaftLower brush body, can produce the loaded down with trivial details problem of mounting or dismounting operation. And, in the lavatory of the limited like that small space of work unitInstitutes etc., during the operation of brushing teeth, also produce such problem: the box of worrying to be accommodated with an other rooted tooth brush bodyPlace to place.

For the patent documentation 2 brush body being arranged on operating portion being covered with toothbrush case, due to concrete chiVery little relation is not expressed, and the size on historical facts or anecdotes border estimates, at least overall dimensions is and does not consider the home-use of PortabilitySize is roughly the same, does not make the structure of having strengthened Portability.

For the patent documentation 3,4 of motor configurations being realized to miniaturization in neck root side, the root side pole of neckIt is thick, if the length of the tip side of neck do not guarantee to a certain degree, will produce the asking of operability that hinders toothbrush operationTopic. And, technology as disclosed in patent documentation 3, motor is fixed in the neck with brush body oneIn the situation of portion, in the time of replacing period of having may wear to because of brush body, comprise motor at interior neck owing to changingPortion's entirety, therefore produce the surging problem of cost.

In addition, for the patent documentation 5 that is embedded with so-called drive division (linear motor) at head, linear motorBe difficult to miniaturization, weigh so head can become greatly, become, usability is impaired. In addition, by linear motor, just make,The vibration of the Mao Xiangqi bearing of trend of brush, is difficult to obtain good cleaning effect. In addition, due to the consumption of linear motorTV university, thus must frequently change power supply, or add large power supply. If add large power supply, just can not realize the miniaturization of operating portion.

In addition, be equipped with the patent documentation 6 of drive division (linear motor) for head, in the time replacing brush, must connectThe head with linear motor is changed together, is uneconomic.

In addition, be equipped with the patent documentation 7 of drive division (linear motor) for head, make such specification:The supporting mass that contains linear motor can be inserted in the head of hollow, be that one can freely customize head and motor ruleThe electric toothbrush of lattice. But, owing to containing the brush that inserts hollow with the motor of eccentric hammer at interior supporting massPortion, therefore brush portion attenuation is unstable in intensity. In order to ensure intensity, also can make its thickening, but neck chap, mouthfulTransluminal operation is poor.

As other, by the means of oscillating electric tooth-brush miniaturization, if any shortening neck, reducing battery (buttonBattery etc.) method. But, if only neck is shortened, to make neck arrive the inside tooth, will put into mouthUntil thick operating portion, operability is impaired. In addition, in order to shorten operating portion, if battery is made to button cell equivalenceBattery, can produce motor torque deficiency, frequently change battery, or the problem such as frequently charge.

Summary of the invention

Therefore, the object of the invention is to, a kind of electric toothbrush is provided, by drive division, (monetary apparatus shakes in this electric toothbrushMoving motor) be mounted on head, and adopt the boxlike that can only change mao portion of planting (planting hair plates, bristle), thusNeedn't abandon drive division, and can guarantee the intensity of neck, make operability excellence in oral cavity simultaneously. In addition, of the present inventionObject is, provides and can not damage usability, small-sized and Portability is excellent, can give reliably the electronic of head vibrationToothbrush.

For solving the means of problem

To achieve these goals, the 1st form of electric toothbrush of the present invention is,

[1] electric toothbrush, is made up of head, neck and operating portion, and the feature of this electric toothbrush is, at described headThe bottom surface side of portion has monetary apparatus vibrating motor, the upper surface side of described head have mounting or dismounting freely plant hair plates,Described operating portion is accommodated with battery and switch portion, and toothbrush utilizes described monetary apparatus vibrating motor and vibrates described coinFormula vibrating motor moves by the power supply from described battery, at the upper surface tool of described monetary apparatus vibrating motorHave vibration transfer part, described vibration transfer part can make vibration number expand and can control the directionality of vibration.

Adopt the electric toothbrush of this structure, can guarantee the intraoral operability of brushing teeth, and can make reliably head vibration,And, can realize miniaturization and lightweight, can improve Portability, and good economy performance.

And, adopt the electric toothbrush of this structure, can make vibration number expand, can set the directionality of vibration for spyThe opposite sex, can make again amplification change, and can improve intraoral spatter property. As the member that vibration number is expanded, for example, haveBy the member of the direction of vibration combination of the fiber alignment of fiber-reinforced plastic etc. and monetary apparatus motor. In addition, asTo the member controlled of directionality of vibration, have the fiber alignment of fiber-reinforced plastic etc. is combined in a certain directionAnd make to the vibration of the direction parallel with this machine direction to expand, make to the member of the vibration attenuation of vertical direction. In addition,Can also give weight and amplification is changed.

In addition, the 2nd form of electric toothbrush of the present invention is,

[2] electric toothbrush as described in [1] clamps the parts that cut off vibration on neck.

Adopt the electric toothbrush of this structure, can relax the vibration that is delivered to operating portion, can alleviate vibration and be delivered to grippingThe user of operating portion sense of discomfort on hand.

In addition, the 3rd form of electric toothbrush of the present invention is,

[3] electric toothbrush as described in [1], have in the time of the use of described electric toothbrush with slidingtype/advancement-type/collapsible/The method of lid universal type extends the mechanism of handle.

Adopt the electric toothbrush of this structure, the operability can guarantee to use time, and can further improve while useDensification.

The effect of invention

Electric toothbrush of the present invention, by drive division (monetary apparatus vibrating motor) is mounted on head, and adoptsCan only change the boxlike of mao portion of planting (planting hair plates, bristle), thereby needn't abandon drive division, and can guarantee neckIntensity makes operability excellence in oral cavity simultaneously. In addition, can not damage usability, small-sized and Portability is excellent, canGive head vibration by ground.

Brief description of the drawings

Figure 1A represents the electric toothbrush of one embodiment of the present invention, is the cutaway view of electric toothbrush.

Figure 1B represents the electric toothbrush of one embodiment of the present invention, is the rearview of electric toothbrush major part.

Fig. 1 C represents the electric toothbrush of one embodiment of the present invention, is the putting of variation of electric toothbrush head cutaway viewLarge figure.

Fig. 1 D represents the electric toothbrush of one embodiment of the present invention, is the putting of variation of electric toothbrush head cutaway viewLarge figure.

Fig. 1 E represents the electric toothbrush of one embodiment of the present invention, is the putting of variation of electric toothbrush head cutaway viewLarge figure.

Fig. 1 F represents the electric toothbrush of one embodiment of the present invention, is the putting of variation of electric toothbrush head cutaway viewLarge figure.

Fig. 1 G represents the electric toothbrush of one embodiment of the present invention, is the putting of variation of electric toothbrush head cutaway viewLarge figure.

Fig. 2 A represents the variation 1 of the electric toothbrush of one embodiment of the present invention, the electric toothbrush while being non-useCutaway view.

Fig. 2 B represents the variation 1 of the electric toothbrush of one embodiment of the present invention, is the cuing open of electric toothbrush while usingView.

Fig. 3 A represents the variation 2 of the electric toothbrush of one embodiment of the present invention, the electric toothbrush while being non-useSide view.

Fig. 3 B represents the variation 2 of the electric toothbrush of one embodiment of the present invention, the side of the electric toothbrush while being useView.

Fig. 4 A represents the variation 3 of the electric toothbrush of one embodiment of the present invention, the electric toothbrush while being non-useSide view.

Fig. 4 B represents the variation 3 of the electric toothbrush of one embodiment of the present invention, the side of the electric toothbrush while being useView.

Fig. 5 A represents the variation 4 of the electric toothbrush of one embodiment of the present invention, the electric toothbrush while being non-useSide view.

Fig. 5 B represents the variation 4 of the electric toothbrush of one embodiment of the present invention, the side of the electric toothbrush while being useView.

Fig. 6 is the key diagram of electric toothbrush in the past.

Symbol description

10 electric toothbrushes

11 operating portions

12 necks

12a neck (root side)

12b neck (tip side)

13 heads

The base portion of 13a head 13

The protuberance of 13b head 13d

The recess of 13c head 13e

13d head (upper surface side)

13e head (bottom surface side)

14 handles

15 power supplys

16 switch portion

17 vibrating motors

18 distributions

19 distributions

20 vibration-absorbing body (absorption of vibrations portion)

21 brushes

22 plant hair plates

23 liners

24 lids

90 vibration transfer part

Detailed description of the invention

Below, with reference to Figure of description, the electric toothbrush of one embodiment of the present invention is described. In addition,Embodiment is below object lesson preferably in electric toothbrush of the present invention, also sometimes with better technicallyVarious restrictions, technical scope of the present invention, as long as no being particularly limited record of the present invention, is not limited to that these are realExecute mode. In addition, below shown in embodiment in structural element, can carry out suitably and existing structure key element etc.Displacement, and can comprise with being combined in of other existing structure key element in various variations. Therefore, not with institute belowThe record of the embodiment showing limits the summary of the invention that claims are recorded.

Figure 1A～G represents the electric toothbrush of one embodiment of the present invention, and Figure 1A is the cutaway view of electric toothbrush, figure1B is the rearview of major part, and Fig. 1 C～G is the enlarged drawing of the variation of head cutaway view.

Fig. 1 C is to utilize for example known insertion forming process and direct and vibrating motor 17 with vibration transfer part 90Contact, and by plant hair plates 22 to brush 21 thrusters press mode by vibration transfer part 90 convexs be arranged on head 13d.Then, bonding head 13e. Because vibration transfer part 90 contacts with motor 17, therefore transmitting vibrations expeditiouslyThe vibration of motor. In addition, can guarantee reliably head 13d and the chimeric intensity of planting hair plates 22.

Fig. 1 D is, directly contacts with vibrating motor 17 to vibrate that transfer part 90 is utilized for example known insertionIt is upper that vibration transfer part 90 is arranged on head 13d by mode, and vibration transfer part 90 is arranged to not from the head 13d to brush 21Side-prominent. Because vibration transfer part 90 contacts with motor 17, therefore shaking of transmitting vibrations motor expeditiouslyMoving.

The in the situation that of Fig. 1 C and Fig. 1 D, utilize known insertion forming process and arrange except vibrating transfer part 90Outside becoming to contact with vibrating motor 17, also can be shaped utilizing known insertion forming process and there is vibration transfer part 90Head 13d after, vibrating motor 17 is housed in each recess of shape head 13d and head 13e and type bonding.In addition, in this case, also can be utilizing known insertion forming process the head that comprises vibrating motor 17 that is shapedAfter 13e, and comprise that to vibrate the head 13d of transfer part 90 bonding.

Fig. 1 E is, with head 13d and head 13e clamp vibrating motor 17 and bonding become the moisture shape that can not enterState. Also can on head 13d, utilize for example known insertion forming process and set in advance vibration transfer part 90. Now,By to protrude convex and arrange vibration transfer part 90 by planting the mode that hair plates 22 presses to brush 21 thrusters, thus can be highThe vibration of efficiency ground transmitting vibrations motor, makes head 13d reliable with the chimeric intensity of planting hair plates 22.

Fig. 1 F is, with head 13d and head 13e clamp vibrating motor 17 and bonding become the moisture shape that can not enterState. Also can on head 13d, utilize for example known insertion forming process and set in advance vibration transfer part 90, vibration passesPassing portion 90, to be arranged to not from the head 13d side-prominent to brush 21. Because vibration transfer part 90 and motor 17 approach,Therefore the vibration of transmitting vibrations motor expeditiously.

Fig. 1 G is, with head 13d and head 13e clamp vibrating motor 17 and bonding become the moisture shape that can not enterState. Now, in the head 13d of vibrating motor 17 side, by the convex shaped part of standing shape is set, (being equivalent to vibration passesPass portion) press to brush 21 thrusters will plant hair plates 22, thus the vibration of transmitting vibrations motor expeditiously makes headThe 13d of portion is reliable with the chimeric intensity of planting hair plates 22.

As shown in Figure 1A～G, electric toothbrush 10 has: user carries out the operating portion 11 of holding operation; Be arranged on behaviourMake the neck 12 in portion 11; And be located at the head 13 on neck 12 tops.

Operating portion 11 has: resinous cylindric handle 14; Be located at the battery of these handle 14 inside, for example, changeThe electricity of No. 7 batteries of formula (also No. 5 batteries, No. 8 batteries (the list 5 type batteries of Japan)) or TunePowerSource 15; And the switch portion that drives into line operate 16 to power supply 15. In addition, adopt TunePower at power supply 15Situation under, known charging part is located at rear end. Therefore, as illustrated in conventional art, owing to making operationThe structure of motor and core shift hammer (comprising transmission mechanism) is not set in portion 11, therefore can be conducive to operating portion 11Miniaturization (minor axis of diameter and the shortening of length), can improve Portability. Now, although operating portion 11 is detailedDiagram, but for example handle 14 can be made can relative sliding displacement along axis direction inside and outside double-layer structural, by its outsideMake its rear end to operating portion 11 carry out slide displacement as extension, just can make the variable-length of operating portion 11.In addition, also can make switch portion 16 and this extension interlock, in the variable operation of the length of handle 14/short, can makeSwitch connection/disconnection. The material of operating portion 11, the material that electric toothbrush is used generally adopts such as ABS resin etc.,But be not limited thereto.

Neck 12 and handle 14 are identical materials, and are formed as reducing to head 13 to tip side. Now, willReducing is made and coaxially still made its displacement with the diameter center of handle 14 is arbitrarily. In addition, also can make its material and lookTune is different from handle 14.

On the top of neck 12, be formed with head 13, the bottom surface side of this head be provided with monetary apparatus vibrating motor (underFace, is only called vibrating motor sometimes) 17. In addition, in the inside of neck 12, be equipped with power supply 15 and vibration,The distribution 18,19 that motor 17 is electrically connected. Both distribution electric wires of this distribution 18,19, are also penetratingWhen shaping neck 12, insert the tabular distribution being shaped, or also can use in the lump them. , as long as can guarantee from electricitySource 15 is to the power supply of vibrating motor 17, its structure without particular limitation of. Therefore, neck 12 for example both connected and joinedThe cylindrical, hollow of line electric wire, also can make solid (non-ducted body) to the reducing part of major general's head 13. In addition,Also it is own that useful elastomers forms neck 12, thereby be absorption of vibrations portion by overall neck 12 dual-purpose. In this enforcement sideIn formula, clamped vibration-absorbing body 20 at the middle part of neck 12, neck 12 is cut apart formation thus. Therefore, this shakesThe neck 12a of handle 14 sides (root side) of moving absorber 20 is made up of ducted body, and distribution 18,19 adopts electric wire,The neck 12b of head 13 sides (tip side) of vibration-absorbing body 20 is made up of solid, and distribution the 18, the 19th insertsBe shaped.

Vibration-absorbing body 20, is at least difficult to vibrating motor 17 as long as have between neck 12 and operating portion 11Vibration be delivered to the absorption of vibrations of operating portion 11, be not particularly limited. Guarantee the water proofing property of neck 12,So that salivas etc. can not enter from vibration-absorbing body 20 the neck 12a of root side. In addition, from power supply 15 via neck12 distributions 18,19 inner and that be connected with vibrating motor 17 connect this vibration-absorbing body 20, but are applicable to adopting contactStructure is guaranteed electrical connection. In the present embodiment, vibration-absorbing body 20 can be used elastomer (for example alkeneClass, phenylethylene) or silicone (comprising silica gel) etc.

Head 13 is made up of two parts, and the part that is formed with the head upper surface side of planting hair plates that forms a side is made as to headThe 13d of portion, is made as head 13e by the part of the head bottom surface side that forms the opposing party. So-called upper surface side, refers to and has plantedThe direction of one side of the brush of head, so-called bottom surface side, refers to the direction of base portion (13a) side of head.

In the upper surface side of head 13d, head 13d in the face of planting a side of hair plates 22, be formed with and plant hair plates22 chimeric protuberance 13b. Plant hair plates 22 thickness relative with protuberance 13b are more than 1.5mm, below 3.0mm,Preferably 2.0mm above, below 2.5mm.

On head 13e, be formed with the recess 13c of configuration vibrating motor 17, with corresponding position on head 13dPut and be also formed with recess, storage, fixing vibrating motor 17, utilize the modes such as such as ultrasonic bonding and watertightness groundEach head 13d and 13e are given bonding integrated. The protuberance 13b that the head 13d of hair plates 22 is planted in embedding is formed as enclosingAround configuration vibrating motor around. In addition, it is upper that vibration transfer part 90 is located at head 13d, and be configured in head 13dProtuberance 13b on.

Vibration transfer part 90 as shown in Fig. 1 C and Fig. 1 D, also can utilize for example known insertion forming process and with vibrationMotor 17 contacts. In addition, as shown in Fig. 1 E and Fig. 1 F, also can utilize for example known insertion forming process and will shakeIt is upper that moving transfer part 90 is located at head 13d, and be configured to the state that vibrating motor 17 does not contact with vibration transfer part 90.In addition, as shown in Figure 1 G, sometimes also by using plant hair plates 22 to brush 21 thrusters press mode convex shaped part is set and asVibration transfer part.

The in the situation that of Fig. 1 C and Fig. 1 D, the head 13d that comprises vibration transfer part 90 and vibrating motor 17 in shapingAfter, bonding head 13e. Because vibration transfer part 90 contacts with motor 17, therefore transmitting vibrations electricity expeditiouslyThe vibration of motivation.

Or, also can be shaped utilizing known insertion forming process have vibration transfer part 90 head 13d after,Vibrating motor 17 be housed in each recess of head 13d and head 13e and carry out bonding.

In addition, in this case, also can be utilizing known insertion forming process the head that comprises vibrating motor 17 that is shapedAfter the 13e of portion, and comprise that to vibrate the head 13d of transfer part 90 bonding.

The in the situation that of Fig. 1 E and Fig. 1 F, clamp vibration with comprising the head 13d and the head 13e that vibrate transfer part 90The state that motor 17 bonding one-tenth moisture can not enter.

The in the situation that of Fig. 1 G, with head 13d and head 13e clamp vibrating motor and bonding become moisture can not enterState.

In Fig. 1 C, Fig. 1 E, can also be will vibrate transfer part 90 and establish planting the mode that hair plates 22 presses to brush 21 thrustersBecome convex, in this case, can make head 13d reliable with the chimeric intensity of planting hair plates 22.

On hair plates 22, plant hair and have a brush for toothbrushing 21 for suitable hardness and rugosity planting. The material of planting hair plates 22 is betterBe POM, PBT and the PTT etc. that working strength is high, can guarantee to plant a mao intensity. In addition, will plant hair plates 22 HesBrush 21 is called mao portion of planting.

Plant hair plates 22 and both can fix by slidingtype, also can fix with groove.

The material of head 13 adopts the general material used of electric toothbrush, such as POM resin etc., but be not limited to these.

Plant plant bristle on hair plates without particular limitation of, but can use for example polyamide (for example: 6-12 nylon, 6-10Nylon), polyester is (for example: PETG, polybutylene terephthalate (PBT), poly terephthalic acidPropylene glycol ester), polyolefin (for example: polypropylene), elastomer (for example: olefines, phenylethylene) etc. syntheticResin material.

In addition, for the high-quality green tea shape of bristle, can make following various shape: high-quality green tea is circular; External diameter is along with courtTo high-quality green tea and tapered cone-shaped; In addition be flat (Japanese: ヘラ shape), spherical, open the shapes such as shape of tail.

The staple length of bristle is preferably, adult's use be 8mm above, below 13mm, what children used is 6mm withUpper, below 9mm, if the diameter of selected bristle is little, from the angle of intraoral usability and use sense,The staple length of bristle is short better. In addition, also can consider use sense, sweeping sense, cleaning effect and durability etc., arbitrarilyMany not identical bristles of combination rugosity. In addition, do not impose any restrictions for the profile of high-quality green tea.

Switch portion 16, except being provided in a side of known rotary on operating portion 11 rear ends, also can be provided in a side of operating portion 11The known slidingtype of side. In addition, in the situation that making slidingtype, locking mechanism also can be set sometimes, noCan become on-state because of unexpected slide displacement.

Vibrating motor 17 is so-called core shift motor, can enumerate following core shift motor: at the container of Coin shapeInside there is drive division and be located at the semicircular rotor on the rotating shaft of drive division, in the time making rotating shaft rotation, because of vibrationThe centre-of gravity shift of motor 17 and entirety produce vibration. Vibrating motor 17 for example uses the size of following degree: thickDegree is for 1.5mm is above, below 3.0mm, preferably 2.0mm above, below 2.5mm, diameter be φ 8.0mm withUpper, below 12.0mm, preferably φ 10mm above, below 12mm.

By using this vibrating motor 17, can make electric toothbrush 10 compactnesses and light weight, and can improve usability.In addition, vibrating motor 17 upwards vibrates in its footpath owing to can making to brush 21, and therefore, the movable area of brush 21 increases,Can further improve toothbrushing effect.

In addition, because the power consumption of vibrating motor 17 is less than linear motor etc., therefore, with one joint No. 7～No. 8 littleBattery just can fully drive, and needn't frequently change battery. Therefore, be suitable for operating portion densification.

In addition, for vibrating motor 17, if can for example its vibration number be guaranteed more than 7500rpm/min,Below 20000rpm/min, its size is also comparable above-mentioned little.

It is upper that vibration transfer part 90 is located at head 13d, and be configured on the protuberance 13b of head 13d.

Vibration transfer part 90 as shown in Fig. 1 C and Fig. 1 D, both can utilize for example known insertion forming process and with vibrationMotor 17 contacts, and also can as shown in Fig. 1 E and Fig. 1 F, utilize for example known insertion forming process and be located at head13d is upper, does not contact with vibrating motor 17. In addition, as shown in Figure 1 G, sometimes also by being set, convex shaped part doesFor vibration transfer part, press to brush 21 thrusters will plant hair plates 2.

In vibration transfer part 90, both can make vibration number is expanded, set the directionality of vibration for specificity, againThe structure that can make amplification change, also can be in order to reduce the vibration loss of planting hair plates 22 and the telescoping part of head, and makeThe protuberance that is projected into the top of the vibrating motor 17 configuration section positions of head 13d to brush 21 directions is arranged to and headThe structure of the 13d of portion one, makes chimerism reliable, reduces vibration loss. Maybe can control and shake as long as vibration number expandsMoving directionality, also can make amplitude variations, and the material of vibration transfer part 90 is not particularly limited.

In addition, vibrating motor 17 as shown in Figure 1B, use than the width of head 13 (for example 8.5mm is above,13.0mm is following) vibrating motor of minor diameter, and preferably 13 do not expose from the head.

As commercially available vibrating motor 17, can enumerate: LE10EOH (φ 10mm, thickness 2.0mm, quality=Approximately 1g, rotating speed 9000rpm, this (Japanese: レキシ Application ジャパ Application) Co., Ltd.'s system of neck Britain and Japan) etc.

Vibrating motor 17, by embedding or be embedded in head 13, thereby not by transmitting vibrations such as transmission mechanismsThe vibration of motor 17 and can directly make head 13 vibrate. Therefore, while brushing teeth operation in to oral cavity, due toThis vibration is directly passed, and therefore can guarantee the toothbrushing effect that vibration produces reliably. In addition, by direct transmissionVibration, thus applicable vibrating motor 17 can adopt miniaturization or the few cheap member of rotating speed. In addition, owing to shakingMoving motor 17 in oral cavity, is therefore preferably and uses the bonding airtight construction of ultrasonic wave, by liner in useDeng guaranteeing water proofing property, insertion shaping and the welding etc. of the outer surface of vibrating motor 17 being implemented to waterproof coating processing are knownMeans, guarantee water proofing property or seal.

Head 13d and head 13e are fit together with built-in vibrating motor 17, can prevent vibrating motor 17Expose. On this head 13e, be formed with the recess 13c of configuration vibrating motor 17, corresponding at head 13dOn position, be also formed with recess, thereby receive, fix vibrating motor 17. Each head 13d and head 13e, utilizeModes such as such as ultrasonic bonding and watertightness is closely bonding and integrated. The material of head 13d and head 13eAdopt well POM, PBT and PP etc. that intensity is high, with resistance in vibration.

As the fixing means of vibrating motor 17, can use the elastomeric material for landfill gap, to eliminate motorLoosening. In addition, also can protuberance be set to fix vibrating motor 17 at several positions.

As described elastomeric material, in silica gel, epoxy resin, allyl resin, be preferably silica gel.

But, in the above-described embodiment, by the bottom surface side configuration vibrating motor 17 at head 13, thus canRealize the densification of operating portion 11 and neck 12, not only make operating portion 11 paths, also can shorten its length. But,During due to use, user shortens for the length of controlling operation, therefore makes the specification shown in following embodiment.

(embodiment 1)

Adopt head to be provided with the electric toothbrush of the above-mentioned form of monetary apparatus vibrating motor.

Fig. 2 A and Fig. 2 B represent operability for improving electric toothbrush and the variation 1 of densification, Fig. 2 A right and wrongThe cutaway view of electric toothbrush when use, the cutaway view of electric toothbrush when Fig. 2 B is use. In addition, at Fig. 2 A andIn Fig. 2 B, for the structure identical with above-mentioned embodiment, omit a part of diagram, put on identical symbol simultaneously andThe description thereof will be omitted.

As shown in Figure 2 A and 2 B, in the rear end of operating portion 11, arrange with recess mode detachable have a round-ended cylinderThe lid 24 of shape, as extension, in the time not using, just can cover head by the tip side of lid 24 embedding operation portions 11Portion 13 and neck 12, in use, just can extend operating portion 11 by the rear end side of lid 24 embedding operation portions 11Length. That is, the extension of present embodiment is lid 24, this lid 24 in the time not using to cover neck 12 and headThe state of portion 13 engages with the tip side of operating portion 11, is made in use with the rear end side of operating portion 11 and engages.Adopt the electric toothbrush so forming, in the time not using, can guarantee the health of the brush of head, do not consider in use to putPut place and can be used as the part of operating portion.

In addition, consider embedding and the cover cap function of lid 24 on operating portion 11, the reducing of neck 12 and operating portion11 compares at center, is displaced to a side (rear side of head).

Here, extension is as the total length of electric toothbrush 10, and in the time not using, the form of Fig. 2 A, makes 110mmLength above, below 150mm, can easily put into cosmetic case of carrying when such as women goes out etc. In addition,Extension can make the total length as electric toothbrush 10, is the form of Fig. 2 B in use, for 170mm is above, 180mmBelow, thus guarantee operability. Now, the overlap joint surplus D4 of lid 24 and operating portion 11 is that 5mm is above, 50mmBelow.

Therefore, in the situation that lid 24 is used as to extension, if the tip side of operating portion 11 and rear end side withMore than the overlap joint surplus D1 of lid 24 makes 5mm, below 10mm, the total length D2 of lid 24 makes 65mm, below 80mm, considering on the length D2 of lid 24 and the basis of overlap joint surplus D1 neck 12 Hes above,The length D3 that head 13 is combined make 60mm above, below 70mm, can guarantee the length of operating portion 11For 50mm is above, below 70mm, can easily guarantee power supply 15 (No. 8 battery: length 30.02mm, No. 7 electricityPond: length 44.5mm, No. 5 battery: length 50.5mm) and the accommodation space of switch portion 16.

(embodiment 2)

Fig. 3 A and Fig. 3 B represent the variation 2 for improving this densification, electric tooth when Fig. 3 A is non-useThe side view of brush, the side view of electric toothbrush when Fig. 3 B is use. In addition, in Fig. 3 A and Fig. 3 B, forThe structure identical with above-mentioned embodiment, omits a part of diagram, puts on identical symbol and the description thereof will be omitted simultaneously.

As shown in Fig. 3 A and Fig. 3 B, operating portion 31 does longlyer than above-mentioned operating portion 11, Fig. 3 A in the time not usingForm in, the length that neck 12 and head 13 are hidden be 120mm above, below 155mm. In addition, behaviourDo portion 31 and can receive neck 12 and head 13 in the tip side of power supply 15, be formed with and can receive at the neck 12a of root sideReceive the spatial portion 12c of tip side of power supply 15. In addition, what on operating portion 31, be provided with that slide uses handles knob 32,So that neck 12 can pass in and out operating portion 31 integratedly with head 13. Be the form of Fig. 3 B in use, if operationMore than 170mm can make in portion 31, below 180mm, the length of the operation of easily brushing teeth can guarantee its use time,And while use, can receive neck 12 and head 13 and be conducive to densification. Now, operating portion 31 and neck 12Overlap joint surplus D5 be 5mm above, below 50mm.

(embodiment 3)

Fig. 4 A and Fig. 4 B represent the variation 3 for improving this densification, and Fig. 4 A is the electric tooth while not usingThe side view of brush, the side view of electric toothbrush when Fig. 4 B uses. In addition, in Fig. 4 A and Fig. 4 B, forThe structure that above-mentioned embodiment is identical, omits a part of diagram, puts on identical symbol and the description thereof will be omitted simultaneously.

As shown in Fig. 4 A and Fig. 4 B, operating portion 41 does longlyer than above-mentioned operating portion 11, Fig. 4 A in the time not usingForm, the length that neck 12 and head 13 are hidden be 65mm above, below 80mm. In addition, operating portion41 tip side at power supply 15 can be received neck 12 and head 13, are formed with and can receive electricity at the neck 12a of root sideThe spatial portion 12c of the tip side in source 15. In addition, at operating portion 41 so that neck 12 can with head 13 integratedly fromThe outstanding mode of operating portion 41 is split into base end side operating portion 43 and tip side operating portion 42, and operates at base end sideWhat between portion 43 and tip side operating portion 42, be provided with rotation operation use handles knob 44 so that neck 12 can with head 13One turnover operating portion 41. As the inlet/outlet mechanism in this situation, for example, neck 12 is supported to relative base end sideOperating portion 43 is rotation relatively not, and by helicla flute, spiral ridge, neck 12 is engaged with tip side operating portion 42,Base end side operating portion 43 is controlled fixing after by making tip side operating portion 42 and 44 rotations of handling knob just can be carried outAbove-mentioned turnover. Be in the form of Fig. 4 B in use, as long as operating portion 41 can be made, 170mm is above, 180mmBelow, the length of the operation of easily brushing teeth can guarantee its use time can be received neck 12 Hes simultaneously in the time not usingHead 13 and be conducive to densification. Now, the overlap joint surplus D6 of operating portion 41 and neck 12 be 5mm above,Below 50mm.

(embodiment 4)

Fig. 5 A and Fig. 5 B represent the variation 4 for improving this densification, and Fig. 5 A is the electric tooth while not usingThe side view of brush, the side view of electric toothbrush when Fig. 5 B uses. In addition, in Fig. 5 A and Fig. 5 B, forThe structure that above-mentioned embodiment is identical, omits a part of diagram, puts on identical symbol and the description thereof will be omitted simultaneously.

As shown in Fig. 5 A and Fig. 5 B, operating portion 51 does longlyer than above-mentioned operating portion 11, Fig. 5 A in the time not usingForm in make by centered by pin 52 by folding neck 12 and head 13, thereby make neck 12 and head 13The length being hidden is more than 100mm, below 120mm. In addition, the cross section of operating portion 51 is formed as roughly U wordShape, to configure power supply 15 and switch 16 and can receive neck 12 and head 13. In addition, be Fig. 5's in useIn form, if operating portion 51 can make 170mm above, below 180mm, can guarantee when it uses easily to enterThe brush teeth length of operation of row can be received neck 12 and head 13 simultaneously and is conducive to densification in the time not using.

So, for electric toothbrush 10 of the present invention, be a kind of electric toothbrush being formed by head, neck and operating portion,Be characterized in thering is monetary apparatus vibrating motor at the bottom surface side of described head, have in the upper surface side of described headInstall and remove the hair plates of planting freely, described operating portion storage battery and switch portion, toothbrush utilizes described monetary apparatus vibrating motorAnd vibrate, described monetary apparatus vibrating motor moves by the power supply from described battery. Adopt the electricity of this structureMoving toothbrush, can guarantee that the intraoral operation of brushing teeth also can make head vibration reliably, and, can realize miniaturization and lightQuantize, can improve Portability, and good economy performance.

Further, owing to adopting the vibrating motor of monetary apparatus, therefore, can make to brush 21 at described monetary apparatus vibrating motorFootpath upwards vibrate, can improve toothbrushing effect.

In addition, because the power consumption of monetary apparatus vibrating motor is little, therefore, with abundant once No. 5～No. 8 baby batteries energy of jointDrive, needn't frequently change battery.

In addition, for electric toothbrush 10 of the present invention, owing to thering is vibration-absorbing body between head 13 and operating portion20, this vibration-absorbing body 20 is delivered to the phenomenon of operating portion 11 to the vibration producing with the driving of vibrating motor 17Relaxed, therefore can be relaxed the vibration that is delivered to operating portion 11, can alleviate and vibrate the use that is delivered to holding operation portionPerson's sense of discomfort on hand.

In addition,, for electric toothbrush 10 of the present invention, for example, owing to having extension (lid 24), this extension makesThe total length of operating portion 11 shortens and elongated in use in the time not using, and therefore, the operability can guarantee to use time also canDensification when further raising is not used. Now, if make in the time not using extension to cover neck 12 and headThe state of portion 13 engages with the tip side of operating portion 11, the lid engaging with the rear end side of operating portion 11 in use,In the time not using, can guarantee the health of the brush 21 of head 13, can not consider place to place in use and be used as behaviourMake a part for portion 11.

In addition, for electric toothbrush 10 of the present invention, because the diameter of vibrating motor 17 is to be less than head 13 widthPath, therefore can be conducive to the densification of head 13, also can improve the intraoral operability of brushing teeth.

In addition, in electric toothbrush 10 of the present invention, vibration transfer part 90 is located on head 13d.

Vibration transfer part 90 as shown in Fig. 1 C and Fig. 1 D, both can utilize for example known insertion forming process and with vibrationMotor 17 connects, and also can as shown in Fig. 1 E and Fig. 1 F, utilize for example known insertion forming process and be located at headOn 13d. In addition, as shown in Figure 1 G, also by convex shaped part is set, transfer part is vibrated in conduct sometimes, will plant hair plates22 press to brush 21 thrusters.

In vibration transfer part 90, as long as making vibration number expand, can set the directionality of vibration for specificity,Can make again amplification change, and be the member of the directionality of the expansion that can control vibration number, vibration, can make again amplitude variationsMember, its material is not particularly limited.

In addition, vibration transfer part 90, in order to reduce the vibration loss of the inserted structure of planting hair plates 22 and head, also canMake on the top of the vibrating motor 17 configuration section positions of head 13d by be set as to the outstanding protuberance of brush 21 directions withThe structure of head 13d one, thus make chimerism reliable, reduce vibration loss.

In addition for electric toothbrush 10 of the present invention, be that monetary apparatus motor is mounted in head by making drive division,Upper, can only change the boxlike of planting a mao portion (planting hair plates), thereby can provide one needn't abandon drive division, can guarantee neckThe electric toothbrush of operability excellence in the intensity of portion and oral cavity.

In the above-described embodiment, vibration-absorbing body is arranged to the neck near root side, but the present invention is not limited toThis, any position between the position that vibration-absorbing body can be located at and user controls.

In addition, vibration-absorbing body, also covers the coating body of a part for neck with elastomer by secondary forming.

In the above-described embodiment, head 13d and 13e are fitted to configure vibrating motor, but the present invention is notBe limited to this, also can make such structure: form the recess of opening at the back side of the base portion of head, will vibrate electronicMachine is inserted in this recess from the dorsal part of base portion, the opening surface of recess is given to watertightness sealing with lid. As by recessedThe opening surface of portion gives the structure of watertightness sealing, can adopt the periphery of lid that the known knot in the past such as rubber packing is setStructure.

(comparative example 1)

Use following electric toothbrush (red special system sound wave pilot bruss, Lion Corporation, Japanese: デンターシステマ sound wave アシスト Block ラシ, ライオ Application Co., Ltd.): the installation site of motor is positioned at operating portion, completeLong is 180mm left and right.

(comparative example 2)

Use following electric toothbrush (pocket De Luci, Co., Ltd. of Panasonic, Japanese: Port ケット De Le Star, パ Naソニッ Network Co., Ltd.): the installation site of motor is positioned at the brush installation shaft of operating portion, and total length is 160mm left and right.

(evaluation method)

16 women that brush teeth while going out have carried the electric toothbrush of embodiment 1 and comparative example 1～2, to its useProperty and use sense are evaluated.

[table 1]

A: the people who has answered is 12～16

B: the people who has answered is 7～11

C: the people who has answered is 0～6

As shown in table 1, apply embodiments of the invention 1, the good degree of size when it carries, size when useGood spending, is delivered to the good degree of the vibration of head, is all " A " without transmitting operability in sense of discomfort in one's hands and oral cavity.

On the other hand, the electric toothbrush of comparative example 1, because neck formation obtains carefully, therefore operability and use in oral cavityTime size good degree excellent. But the size of electric toothbrush is not little, so carry inconvenience.

The electric toothbrush of comparative example 2, although be the size in the inadequate women's of the being accommodated in cosmetic case of energy, suggestionIf many is just tiltedly not put and can not put into, more wish densification. In addition, neck is thick, and in oral cavity, operability is poor.

Practicality in industry

Electric toothbrush of the present invention is carried drive division (monetary apparatus motor) owing to making on head, can only change and plantThe boxlike of hair portion (planting hair plates, bristle), therefore, can provide one needn't abandon drive division, and can guarantee neckThe electric toothbrush of operability excellence in intensity, oral cavity. In addition, can not damage usability, small-sized and Portability is excellent,Can give head by vibration reliably.

Claims

1. an electric toothbrush, is made up of head, neck and operating portion, and this electric toothbrush is characterised in that,

There is monetary apparatus vibrating motor at the bottom surface side of described head, there are mounting or dismounting certainly in the upper surface side of described headAs plant hair plates,

Described operating portion is accommodated with battery and switch portion, and toothbrush utilizes described monetary apparatus vibrating motor and vibrates, described inMonetary apparatus vibrating motor moves by the power supply from described battery,

Have vibration transfer part at the upper surface of described monetary apparatus vibrating motor, described vibration transfer part can make vibration numberExpand and can control the directionality of vibration.

2. electric toothbrush as claimed in claim 1, is characterized in that, clamps the parts that cut off vibration on neck.

3. electric toothbrush as claimed in claim 1, is characterized in that, have in the time of the use of described electric toothbrush withThe method of slidingtype/advancement-type/collapsible/lid universal type extends the mechanism of handle.