JPH09252843A - Electric toothbrush - Google Patents

Electric toothbrush

Info

Publication number
JPH09252843A
JPH09252843A JP7070896A JP7070896A JPH09252843A JP H09252843 A JPH09252843 A JP H09252843A JP 7070896 A JP7070896 A JP 7070896A JP 7070896 A JP7070896 A JP 7070896A JP H09252843 A JPH09252843 A JP H09252843A
Authority
JP
Japan
Prior art keywords
stator
movable element
electric toothbrush
cylindrical
brush
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
JP7070896A
Other languages
Japanese (ja)
Inventor
Takafumi Hamabe
Shiyuuji Miyagawa
周士 宮川
隆文 浜辺
Original Assignee
Matsushita Electric Works Ltd
松下電工株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Works Ltd, 松下電工株式会社 filed Critical Matsushita Electric Works Ltd
Priority to JP7070896A priority Critical patent/JPH09252843A/en
Publication of JPH09252843A publication Critical patent/JPH09252843A/en
Application status is Withdrawn legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16Power-driven cleaning or polishing devices
    • A61C17/22Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/32Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
    • A61C17/34Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
    • A61C17/349Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor with multiple brush bodies
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16Power-driven cleaning or polishing devices
    • A61C17/22Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/32Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
    • A61C17/34Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
    • A61C17/3409Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body
    • A61C17/3445Translation along the axis of the toothbrush handle

Abstract

PROBLEM TO BE SOLVED: To provide an electric toothbrush having no mechanical loss on power, miniaturized, and finely finished easily in particular.
SOLUTION: A linear type reciprocating motor 2 provided with a stator 20 having a coil 22 and needles 21 made of a permanent magnet 25 or a magnetic substance and straightly reciprocating the needles 21 against the stator 20 is used as a drive source. A brush 6 connected to the needles 21 of the motor 2 and reciprocated is arranged in the extension line direction of the reciprocation axis of the needles 21 of the motor 2, aligned substantially on the same axis as the needles 21, and reciprocated substantially in the same direction. The drive source itself is straightly reciprocated, and no motion converting member is required. This toothbrush has a proper shape as a toothbrush provided with a brush at the tip of a handle.
COPYRIGHT: (C)1997,JPO

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【発明の属する技術分野】本発明は電動歯ブラシ、殊にブラシが往復直線運動を行うタイプ並びに回転ブラシタイプの電動歯ブラシに関するものである。 The present invention relates to relates to an electric toothbrush, the type and electric toothbrush of the rotary brush type particular brush makes a reciprocating linear motion.

【0002】 [0002]

【従来の技術】ブラシに往復直線運動を行わせる電動歯ブラシでは、電動機の回転運動を運動変換機構を用いて往復運動に変換してブラシに往復動を行わせている。 In the electric toothbrush to perform reciprocating linear motion of the Related Art brush, and to perform the reciprocating brush by converting the rotational motion of the motor into a reciprocating motion using a motion converting mechanism. また回転ブラシタイプの電動歯ブラシでは、電動機の回転軸方向とブラシの回転軸方向とが直交することから、電動機の回転運動を運動変換機構を用いて一旦往復直線運動に変換し、この往復直線運動を更に回転運動に変換してブラシを回転させており、この場合の運動変換機構として各種のものが用いられている。 In the electric toothbrush of the rotary brush type, converted from the the rotation axis direction of the rotation axis direction and the brush of the motor is orthogonal, the rotational motion of the electric motor once reciprocating linear motion by using a motion converting mechanism, the reciprocating linear motion and by further rotation of the is converted into a rotational motion brush, various ones have been used as the motion converting mechanism in this case.

【0003】 [0003]

【発明が解決しようとする課題】しかし運動変換機構を用いると、この機構部分における機械的ロスが常に問題となる。 [SUMMARY OF THE INVENTION] However, use of the motion converting mechanism, the mechanical loss in the mechanical portion is always a problem. また運動変換機構の設置スペースが必要となるために小型化の点で制約が多い。 The constraints in terms of size reduction for installation space of the motion converting mechanism is required in many cases. 特に歯ブラシの柄となる部分に電動機と電動機の回転運動を往復直線運動に変換する運動変換機構を納めることになるが、この場合、 In particular it would pay motion converting mechanism for converting the rotational motion of the electric motor and the electric motor portion to be a toothbrush handle into a reciprocating linear motion, in this case,
柄の部分は細身の方が使い勝手がよいのに対して、運動変換機構のために細く仕上げることができなくなっている。 Part of the handle for the people of slender is good usability, is no longer able to finish thin for the motion conversion mechanism.

【0004】本発明はこのような点に鑑み為されたものであり、その目的とするところは動力に関する機械的ロスがない上に小型化、特に細く仕上げることが容易である電動歯ブラシを提供するにある。 [0004] The present invention has been made in view of such problems, it is an object to provide an electric toothbrush which is easy to finish compact, especially thin on it no mechanical loss relates to a power It is in.

【0005】 [0005]

【課題を解決するための手段】しかして本発明は、コイルを備えた固定子と、永久磁石または磁性体からなる可動子とを備えて固定子に対して可動子を往復直線運動させるリニア型往復式電動機を駆動源とし、該電動機の可動子に連結されて往復駆動されるブラシは、電動機の可動子の往復動軸線の延長線方向に配設されて上記可動子と略同軸上に並ぶとともに可動子と略同方向に往復駆動されるものであることに特徴を有している。 Means for Solving the Problems] Thus the present invention, linear reciprocating linear movement mover relative to the stator having a coil and stator and a mover comprising a permanent magnet or magnetic substance the reciprocating motor as a driving source, a brush reciprocatingly driven is coupled to the movable element of the electric motor is arranged in the movable element and substantially coaxially disposed in the extension line direction of the reciprocation axis of the movable element of the electric motor it is characterized in that together with the one in which is reciprocally driven in the movable element and the substantially same direction.

【0006】駆動源そのものが往復直線運動を行うために運動変換部材を必要としないものであり、運動変換に伴う機械的ロスがない上に、運動変換部材の設置スペースを必要とせず、しかもブラシを可動子の往復動軸線の延長線方向に配して可動子と略同軸上に並ぶとともに可動子と略同方向に往復駆動されるものであることから、 [0006] are those driving source itself does not require a motion converting member in order to perform a reciprocating linear movement, on no mechanical loss caused by motion conversion, without the need for installation space of the motion converting member, moreover brush since the one in which is reciprocally driven in the movable element and the substantially the same direction together arranged by arranging an extension direction of the reciprocation axis of the movable element onto the movable element and substantially coaxial,
柄の先端にブラシを設けている歯ブラシとして好適な形態を有している。 And a suitable form as a toothbrush has a brush provided at the distal end of the handle.

【0007】また本発明は、コイルを備えた固定子と、 [0007] The present invention includes a stator having a coil,
永久磁石または磁性体からなる可動子とを備えて固定子に対して可動子を往復直線運動させるリニア型往復式電動機を駆動源とし、該電動機によって駆動されるブラシは、電動機の可動子の往復動軸線の延長線方向側に配設されて上記可動子に装着された駆動軸の往復直線運動を受けて回転するものであることに特徴を有している。 And a mover comprising a permanent magnet or magnetic material linear reciprocating motors for reciprocating linear movement mover as a driving source with respect to the stator, brush, reciprocating the mover of the motor driven by the electric motor it is arranged an extension direction of the movement axis and is characterized in that in which rotates by receiving a reciprocating linear motion of the drive shaft mounted on the movable element.

【0008】この場合においては、従来では二度の運動変換が必要であったのに対して一度の運動変換で求める回転運動をブラシに行わせることができる。 [0008] In this case, the conventional can perform a rotary movement for in a single motion converting whereas it was necessary to twice the motion conversion into the brush. いずれにしても、リニア型往復式電動機は円筒形固定子の内側空間に円筒形固定子の軸方向に往復動を行う可動子を配設した円筒状外形を有するものであることが好ましく、この時、固定子内に配設された可動子が一つであるとともに円柱状または円筒形であるもの、固定子内に配設された可動子が二つであるとともに両可動子は相互に逆位相で駆動されるものであるものを好適に用いることができる。 In any case, it is preferable that linear reciprocating motors are those having a cylindrical outer shape which is disposed a movable element which performs reciprocating in the axial direction of the cylindrical stator to the inside space of the cylindrical stator, the when, as the movable element disposed within the stator is cylindrical or cylindrical with a single, two movable elements together provided by the mover in the stator is two reverse to each other it can be suitably used and are driven by a phase. 後者のタイプにおいては、二つの可動子が円筒形とされた第1の可動子とこの第1の可動子の内側に同心で配設された円柱形乃至円筒形の第2の可動子であるものと、二つの可動子が共に断面が半円形で固定子の内側空間に平行並列に配されているものとを好適に用いることができる。 In the latter type, are two mover first mover and the second mover in the first cylindrical to cylindrical disposed concentrically inside the movable element is cylindrical things and two mover are both cross-section can be suitably used and those arranged in parallel parallel the inner space of the stator semicircular.

【0009】また可動子が相互に逆位相で駆動される2 [0009] 2 the mover is driven in phase opposition to each other
つである時、ブラシは一方の可動子に連結し、他方の可動子にカウンターウェィトを装着するとよい。 When it is One, the brush may be connected to one of the movable element, mounting a counter Weito the other of the movable element. 更に相互に逆位相で駆動される2つの可動子を相反連動手段で連結することも好ましく、この場合の相反連動手段には両可動子に夫々設けたラックと固定位置に配された回転軸で支持されて上記両ラックに噛合するピニオンとからなるものや、両端が各可動子に連結されるとともに中央が固定位置に配された軸で軸支されているリンクを好適に用いることができる。 It is also preferable to further connected by two movable elements reciprocal interlocking means which are driven in opposite phases to each other, the rotation axis arranged on the rack and the fixed position provided respectively on both the movable element in the reciprocal interlocking means in this case is supported by and made of a pinion which meshes with the both racks, both ends can be used with suitably links center is pivotally supported by a shaft arranged in a fixed position is connected to the movable element.

【0010】前記ブラシを回転させるタイプのものにおいては、相互に逆位相で駆動される2つの可動子に駆動軸を夫々設けて、両駆動軸間に位置するブラシに両駆動軸に設けられたラックと噛合するピニオンを設けてラックアンドピニオン機構で回転駆動させることが好ましい。 [0010] In a type of rotating the brush are mutually the drive shaft respectively provided on two movable elements which are driven in opposite phase, provided on both the drive shaft to the brush located between the drive shaft it is preferable to the pinion meshes with the rack provided rotationally driven rack-and-pinion mechanism. 可動子はその往復動方向にのみ撓み可能なばね部材を介して固定子側に連結されて、該ばね部材によって固定子と可動子とが非接触状態に保たれているものとするのも好ましい。 Armature is connected to the stator side via a spring member deflectable only to the reciprocating direction, also preferably assumed that the stator and the movable element by the spring member is held in a non-contact state . ばね部材には固定子の軸方向両端に夫々装着された板ばねを好適に用いることができる。 The spring member can be suitably used leaf springs respectively attached to the both axial ends of the stator.

【0011】またリニア型往復式電動機が円筒状外形を有するものである時には手持ち型の筒状ハウジング内にほぼ同軸で納めたものとするのが好ましい。 Further preferably those which dedicated almost coaxially within handheld cylindrical housing when linear reciprocating motor and has a cylindrical outer shape.

【0012】 [0012]

【発明の実施の形態】図2に示す電動歯ブラシは、そのブラシ6に往復直線運動を行わせるタイプのもので、細径の円筒状ハウジング1内に電源としての電池11と電動機2、そして電動機2の駆動回路を実装した回路基板12とを納めてあり、ハウジング1の一端から突出するシャフト31にブラシ6を装着してある。 DETAILED DESCRIPTION OF THE INVENTION The electric toothbrush shown in Figure 2, of a type to perform the reciprocating linear motion to the brush 6, the battery 11 and the electric motor 2 as a power source to the small diameter of the cylindrical housing 1, and the electric motor Yes pay a circuit board 12 mounted with the second driving circuit, are fitted with a brush 6 to the shaft 31 which projects from one end of the housing 1. 図中60はハウジング1に連結されたブラシカバーである。 Figure 60 is a brush cover coupled to the housing 1.

【0013】図1と図3及び図4に上記電動機2を示す。 [0013] Figure 1 and Figure 3 and Figure 4 show the electric motor 2. この電動機2は回転出力を得ることができるものではなく、2つの可動子21,21に逆位相の往復直線運動を行わせることができるもので、コイル22を備えた円筒状の固定子20と、この固定子20の内側に配した上記2つの可動子21,21と、両可動子21,21間に配した永久磁石25とを主たる構成部品としている。 The electric motor 2 is not capable of obtaining a rotational output, as it can be made to perform reciprocating linear motion of opposite phase to the two movable elements 21 and 21, a cylindrical stator 20 having a coil 22 , and with the two movable elements 21, 21 arranged inside the stator 20, and a permanent magnet 25 arranged between the two armature 21, 21 as main components.

【0014】上記固定子20はコイル枠23に巻かれた円筒状のコイル22の両端にリング状の磁性材24,2 [0014] The stator 20 at both ends in a ring-shaped magnetic material of the cylindrical coil 22 wound on the coil frame 23 24,2
4を固着したものとして形成されて、円筒状の外装ケース29内に納められている。 4 is formed as having fixed and are housed in a cylindrical outer case 29. 2つの可動子21,21は共に磁性体で形成されるとともに図3に示すように断面が半円形をなすもので固定子20の内側空間に平行並列に配されており、平板状の永久磁石25はその両側縁がコイル枠23の内周側に固着されることで両可動子2 Two movable elements 21, 21 are arranged in parallel parallel the inner space of the stator 20 in which both together are formed of a magnetic material is cross-section as shown in FIG. 3 forms a semi-circular, flat plate-like permanent magnet 25 both movable element 2 by its opposite side edges are fixed to the inner peripheral side of the coil frame 23
1,21の対向面間に配されている。 It is arranged between the facing surfaces of 1,21. この永久磁石25 The permanent magnet 25
は一方の可動子21との対向面側をN極、他方の可動子21との対向面側をS極として着磁されている。 It is magnetized to the opposite side of the one moving element 21 N pole, the surface facing the other of the mover 21 as S poles.

【0015】そして上記両可動子21,21はその両端が固定子20に固着された支持ばね32,32にフランジ26,26及びシャフト31,31を介して連結されており、該支持ばね32,32によって固定子20の内側空間に固定子20や永久磁石25とは非接触の状態で保持されるとともに、両支持ばね32,32を撓ませることによって円筒状固定子20(コイル22)の軸方向に移動自在となっている。 [0015] Then the both movable element 21, 21 is connected via a flange 26 and the shaft 31, 31 supporting the spring 32 with its both ends being fixed to the stator 20, the support spring 32, with the stator 20 and the permanent magnet 25 to the interior space of the stator 20 is held in a non-contact state by 32, the axis of the cylindrical stator 20 by deflecting the two support springs 32 and 32 (coil 22) It is movable in the direction.

【0016】ここにおいて、各可動子21の端面から夫々2つのシャフト31,31を突出させているが、これはシャフト31が板ばねである上記支持ばね32の可動子21への固着部材を兼ねているとともに、支持ばね3 [0016] In this case, although is protruded respectively two shafts 31, 31 from the end face of the moving element 21, which serves as a fixing member to the movable element 21 of the support spring 32 shaft 31 is a leaf spring together we are, support spring 3
2に所要のばね特性を発揮させるためのばね長さを確保する関係でこのようにしているに過ぎず、ばね特性を満足させることができるならば各可動子21に設けるシャフト31が1つであってもよい。 2 merely being such in relation to secure the spring length for exhibiting the required spring characteristics, the shaft 31 provided on the movable element 21 if it is possible to satisfy the spring characteristics one it may be.

【0017】そして電動機2の軸方向一端側においては、2つの可動子21,21のうちの一方から突出させたシャフト31,31を二股形状のものとして二股側を可動子21に固着し、他端側にブラシ6を装着している。 [0017] Then, in the axial direction one end side of the motor 2, the bifurcated end fixed to the movable element 21 of the shaft 31, 31 which projects from one of the two movable elements 21 and 21 as being bifurcated, the other wearing the brush 6 to the end side. シャフト31は可動子21の往復動軸線に沿って突出されていることから、ブラシ6は可動子21の往復動軸線の延長線方向に位置して可動子21と略同軸上に並ぶとともに可動子21と同方向に往復駆動されるものとなっている。 Mover together with the shaft 31 from that protrudes along the reciprocation axis of the armature 21, the brush 6 is arranged in the armature 21 and substantially coaxially located extension line direction of the reciprocation axis of the armature 21 21 that it becomes a reciprocatingly driven in the same direction.

【0018】前記電動機2は、固定子20のコイル22 [0018] The electric motor 2, the coil 22 of the stator 20
に直流電圧が印加された時に両可動子21,21を動かすのであるが、コイル22に加えられる電圧は図5に示すように前記駆動回路における方形波発生回路によって極性が周期的に反転するものとなっており、これに伴って図6(イは電流波形,ロは一方の可動子21の変位を示す)に示すように可動子21はその移動方向を反転させて往復動を行うものとなっているとともに、両可動子21,21は逆位相で往復動を行うものとなっている。 What DC voltage but is moving the two movable elements 21, 21 when they are applied, the voltage applied to the coil 22 which polarity is reversed periodically by a square wave generating circuit in the driving circuit as shown in FIG. 5 in and it is, FIG 6 along with this (a current waveform, b indicates the displacement of one of the armature 21) is the movable element 21 as shown in the performs reciprocating by reversing the direction of movement together are made with both armature 21 has a performs reciprocating in opposite phases.

【0019】すなわち、図7(a)に示すような極性で電流をコイル22に流したならば、両可動子21,21間に位置させている永久磁石25の磁気極性との関係で図示のような磁気回路が構成されるために、一方の可動子21が図中左方へ駆動される時に他方の可動子21が右方へ駆動され、電流の流れが逆になれば図7(b)に示すように一方の可動子21が右方へ、他方の可動子21が左方へ駆動されるものであり、この2状態が交互に生じることによって両可動子21,21は逆位相で往復直線運動を行うものである。 [0019] That is, if flowed to the coil 22 a current polarity as shown in FIG. 7 (a), illustrated in relation to the magnetic polarity of the permanent magnet 25 that is positioned between both the movable element 21, 21 for the magnetic circuit is configured as, driven to the other moving element 21 is right when one of the movable member 21 is driven to the left in the figure, if the current flow is reversed FIG 7 (b ) one to the mover 21 is the right as shown in, which other of the mover 21 is driven to the left, both the movable element 21, 21 by the two states occurs alternately in phase opposition and performs reciprocating linear motion. この往復動に際して支持ばね3 During this reciprocating support spring 3
2,32の共振周波数が可動子21の振動数にほぼ等しくなるようにしておけば、効率の良い駆動を行うことができる。 If the resonance frequency of 2,32 is it is devised approximately equal to frequency of the movable element 21, it is possible to perform efficient driving.

【0020】そしてこのように両可動子21,21が駆動されて往復動を行う時、ブラシ6は可動子21と同じ動きを行う。 [0020] Then when performing reciprocating Thus both the mover 21 is driven, the brush 6 performs the same motion as the moving element 21. また前記支持ばね32,32は可動子21 Also, the support spring 32 is moving element 21
の往復動方向にのみ撓み可能な板ばねで形成されているために、この支持ばね32を介して固定子20側に連結されている可動子21は、固定子20及び永久磁石25 To the formed only deflectable leaf spring to the reciprocating direction, the movable element 21 which is connected to the stator 20 side through the support spring 32, the stator 20 and the permanent magnet 25
との非接触状態が常時保たれるものであり、ブラシ6側に往復動方向と交叉する方向の力が加わった時にも可動子21は円滑な往復動を行う。 Non-contact state with is intended to be kept at all times, the movable element 21 even when the force is applied intersecting the reciprocating direction on brush 6 side performs a smooth reciprocating.

【0021】また、相互に逆位相で往復動する2つの可動子21,21のうちのブラシ6が装着されていない方の可動子21には、ブラシ6のカウンターバランスを取るためのカウンターウェィト4を装着して、動作上のバランスを取ることができるようにしている。 Further, the movable element 21 towards the brush 6 is not mounted within the two movable elements 21 and 21 reciprocate in opposite phases to each other, the counter Weito 4 to maintain a balance with the brush 6 the wearing, so that it is possible to balance the operation. 図8及び図9に示すものは、相互に逆位相で駆動される2つの可動子21,21を相反連動手段5で連結して、ブラシ6が装着されていない可動子21の駆動力をブラシ6が装着された可動子21に伝達することができるようにしたものを示している。 Those shown in FIGS. 8 and 9, the brush connects the two movable elements 21, 21 are driven each other in opposite phases in the reciprocal interlocking means 5, the driving force of the mover 21 which the brush 6 is not mounted 6 shows that to be able to transmit to the movable element 21 mounted. 図8に示すものでは相反連動手段5として両可動子21,21に夫々設けたラック50,50 Rack provided respectively on both the movable element 21 as a reciprocal interlocking means 5 as shown in figure 8 50,50
と固定子20側部材によって支持された回転軸で軸支されて両ラック50,50に噛合するピニオン51とからなるものを用いており、図9に示すものでは、両端が各可動子21,21に連結されるとともに中央が軸53によって軸支されているリンク52で構成している。 And is used one made of a pinion 51. that meshes are rotatably supported on both racks 50, 50 with the rotation shaft supported by the stator 20 side member, as shown in figure 9, both ends each movable element 21, central constitutes a link 52 which is pivotally supported by a shaft 53 while being connected to the 21. ブラシ6が装着された可動子21に他方の可動子21の駆動力も加わることになるために、歯磨き時のブラシ6の駆動抵抗に負けない駆動力を得ることが容易となっている。 To brush 6 is also applied driving force of the other of the mover 21 to the movable member 21 mounted, it is possible to obtain a driving force competitive drive resistance of the brush 6 during toothbrushing has become easier.

【0022】図10及び図11に示すように、相互に逆位相で往復動を行う両可動子21,21に夫々ブラシ6,6を装着してもよい。 As shown in FIGS. 10 and 11, respectively brush 6,6 may be mounted to both the mover 21 to perform reciprocating in opposite phases to each other. また図12に示すように可動子21一つについて平行並列な2つのブラシ6,6を装着してブラシ6を総計4個とするとともに、一方の可動子21に装着したブラシ6と他方に装着したブラシ6とが交互に並ぶようにしてもよい。 Also with the brush 6 and four total wearing the parallel two parallel brushes 6,6 for one moving element 21, as shown in FIG. 12, attached to the brush 6 and the other mounted on one of the movable element 21 a brush 6 that may be alternately arranged.

【0023】図13に回転ブラシタイプの電動歯ブラシを示す。 [0023] Figure 13 shows an electric toothbrush of the rotary brush type. 電動機2そのものは上記のものと同じであるが、相互に逆位相で往復動を行う2つの可動子21,2 Although the electric motor 2 itself are the same as those described above, two movable elements perform reciprocating in opposite phases to each other 21,2
1から夫々突出させているシャフト31,31の先端の相互対向面にラック37,37を設けて、ブラシ6のベース部分に設けたピニオン38を両ラック37,37に噛合させている。 The rack 37 is provided from 1 mutually facing surfaces of the distal end of the shaft 31, 31 that is respectively projected, and are meshed pinion 38 provided on the base portion of the brush 6 in both racks 37, 37. 電動機2の2つの可動子21,21が逆位相で往復動を行う時、ブラシ6はその場で往復回転を行う。 When two movable elements 21, 21 of the electric motor 2 to perform reciprocating in opposite phase, the brush 6 performs reciprocating rotational on the spot.

【0024】図14〜図17に他例を示す。 [0024] illustrates another example in FIGS. 14 17. ここにおける電動機2は、円筒状のコイル22を備えた円筒状の固定子20の内周側に絶縁部品27を介して周方向において複数個に分割している永久磁石25を配置するとともに、固定子20の軸方向に可動となっている磁性材からなる円柱状の可動子21を永久磁石25の内周側に配したもので、可動子21の中心を通っているシャフト31 Motor 2 in this case, along with arranging the permanent magnets 25 are divided into a plurality in the circumferential direction via the insulating part 27 to the inner circumferential side of the cylindrical stator 20 having a cylindrical coil 22, the fixed which was arranged a cylindrical moving element 21 made of a magnetic material which is movable in the axial direction of the child 20 on the inner peripheral side of the permanent magnet 25, shaft 31 passes through the center of the movable element 21
の両端を支持ばね32,32を介して固定子20に連結し、シャフト31の一端にブラシ6を装着してある。 Both ends of connecting the stator 20 via a support spring 32, are fitted with a brush 6 at one end of the shaft 31. 電動機2における永久磁石25はその内周側と外周側とが異なる磁極となるように着磁されており、コイル22に交番電流を流す時、図17に示すような磁気回路が電流方向に応じて形成されて可動子21を駆動する方向が電流方向によって反転するために、可動子21はその軸方向に往復動を行う。 Permanent magnet 25 of the electric motor 2 is magnetized such that the inner and outer circumferential sides are different magnetic poles thereof, when passing an alternating current through the coil 22, magnetic circuits as shown in FIG. 17 depending on the current direction direction is formed to drive the mover 21 Te in order to reverse the current direction, the movable element 21 performs a reciprocating in its axial direction.

【0025】図18〜図22に示すものではその電動機2として、円筒状のコイル22を備えた円筒状の固定子20の内周側に、円筒状の可動子21、この可動子21 [0025] As FIGS. 18 is shows in 22 the electric motor 2, on the inner peripheral side of the cylindrical stator 20 having a cylindrical coil 22, a cylindrical movable member 21, the armature 21
の内側に位置する円筒状の永久磁石25、永久磁石25 Cylindrical permanent magnet 25 located in the inside, the permanent magnet 25
の更に内側に位置する円筒状の可動子21の3つを配設したもので、同心となっているこれら可動子21,21 Further in which it is disposed a three cylindrical moving element 21 located inside of these movable elements 21, 21 which is concentric
及び永久磁石25は、その軸方向両端において支持ばね32,32や固定板33で固定子20に支持されている。 And the permanent magnet 25 is supported by the stator 20 in the support springs 32 and 32 and the fixing plate 33 at its axial ends.

【0026】また固定子20の両端には凸部34,34 [0026] At both ends of the stator 20 projecting portions 34, 34
を介して磁気回路構成用の磁性材プレート35,35が取り付けられており、各可動子21,21の端面にはシャフト31,31が夫々装着されている。 The magnetic material plate 35, 35 mounted in the magnetic circuit configuration through, the end faces of the armature 21, 21 shaft 31, 31 are respectively mounted. これらシャフト31,31は図19に示すようにいずれも一端側が二股となっており、二股となっている一端側を可動子2 These shafts 31, 31 has become both one end and the bifurcated as shown in FIG. 19, the movable element one end which is bifurcated 2
1,21に、電動機2の径方向において軸付近に位置している他端側をブラシ6,61に連結している。 To 1,21, and the other end which is located near the axis in the radial direction of the electric motor 2 connected to the brush 6 and 61.

【0027】この電動機2では、円筒状の永久磁石25 [0027] In the electric motor 2, a cylindrical permanent magnet 25
が内周側と外周側とで磁気極性が逆となるように着磁されており、円筒状のコイル22に交番電流を流すと図2 Figure 2 but are magnetized so that the magnetic polarity is reversed between the inner and outer circumferential sides, the flow alternating current in a cylindrical coil 22
2に示すような磁気回路が交互に形成され、この結果、 Magnetic circuits as shown in 2 are alternately formed, as a result,
同心に配されている両可動子21,21は互いに逆方向に移動して逆位相の往復動を行う。 Both movable element 21, 21 are arranged concentrically do reciprocating in opposite phase to move in opposite directions. そして各可動子2 And each mover 2
1,21に夫々装着された2つのブラシ6,6は逆位相で往復動を行う。 Two brushes 6,6 are respectively mounted on the 1 and 21 perform reciprocating in opposite phases. もちろんこのタイプのものにおいても前記ブラシ6を回転させるものを構成することができる。 Of course it is also possible to constitute what rotating the brush 6 in those of this type.

【0028】図23は可動子21が1つである場合の別の電動機2の例を示している。 [0028] Figure 23 shows another example of the electric motor 2 when armature 21 is one. ここで用いている電動機2は、円筒状で且つ軸方向中央部に内周側へと突出する複数の中央磁極歯20aを、両端部に側面磁極歯20 Here the electric motor 2 is used, a plurality of central magnetic pole teeth 20a projecting to the inner circumferential side and in the axial center portion of a cylindrical shape, a side magnetic pole teeth 20 at both ends
b,20bを備えた固定子20の各中央磁極歯20aにコイル22を巻回しており、固定子20の内側に配した可動子21には円筒状で且つ軸方向において異なる磁気極性を呈する永久磁石25が外周面に固着されたものとなっている。 b, and winding a coil 22 in each central magnetic pole teeth 20a of the stator 20 with 20b, permanently the mover 21 disposed inside the stator 20 that exhibits magnetic polarities different in and axially in a cylindrical magnet 25 has become what is fixed to the outer peripheral surface. 図中28はバックヨークであり、支持ばね32,32にはコイルばねを用いている。 Figure 28 is a back yoke, and using a coil spring to support the spring 32.

【0029】コイル22に流す電流の方向を切り換えて固定子20の中央磁極歯20aの磁気極性を変化させたならば、可動子21に設けられた永久磁石25は固定子20の磁極歯20a,20bとの間の吸引反発力によってその移動方向を反転させるために軸方向の直線往復動を行ってブラシ6に往復直線運動を行わせる。 [0029] Once switching the direction of current flowing through the coil 22 to change the magnetic polarity of the center magnetic pole teeth 20a of the stator 20, the permanent magnets 25 provided on the movable member 21 of the stator 20 magnetic pole teeth 20a, to perform a reciprocating linear motion to the brush 6 by performing a linear reciprocating motion in the axial direction in order to reverse the movement direction by attractive and repulsive forces between the 20b. 図24に示した電動機2は、形態こそ異なるものの、図23に示した形式のリニア型の電動機2と同じ原理で作動するもので、磁極歯20a,20bを備えた固定子20に対して2つの可動子21,21を並列に設けるとともに各可動子21,21からその往復動軸線方向にシャフト3 Motor 2 shown in FIG. 24, although the form what different, intended to operate on the same principle as a linear type motor 2 of the type shown in Figure 23, the magnetic pole teeth 20a, with respect to the stator 20 with a 20b 2 shaft 3 with its reciprocating axial direction from a respective movable element 21, 21 a One of the mover 21, 21 provided in parallel
1,31を突出させてこれらシャフト31,31に夫々ブラシ6,6を装着している。 1, 31 is protruded to wearing the respective brush 6,6 thereto shafts 31, 31. 2つの可動子21,21 Two movable elements 21 and 21
の永久磁石25の極性方向を逆としておくことで両可動子21,21を逆位相で作動させれば、両ブラシ6,6 If it caused to operate both the mover 21 and 21 in opposite phases polarity direction of the permanent magnet 25 in that you reversed, both brush 6,6
は逆位相で往復直線運動を行うものとなる。 It becomes to perform a reciprocating linear movement in opposite phases. 両可動子2 Both the mover 2
1,21が同位相で往復動を行うようにしておいてもよいが、逆位相とする方がブラシ6の駆動反力が相互に打ち消し合うことになって好ましい。 1,21 may be previously to perform the reciprocating movement in phase, but preferably the mutual opposite phases become the driving reaction force of the brush 6 are canceled each other.

【0030】以上の各例において、ブラシ6に往復直線運動を行わせる場合に可動子21の往復動軸線の延長線方向にブラシ6を配してこのブラシ6を可動子21と同一方向に駆動するものを示したが、ブラシ6の往復動方向と可動子21の往復動方向とが少しずれているものであってもよい。 [0030] In each example described above, drives the brush 6 by disposing the brush 6 in the extension direction of the reciprocation axis of the armature 21 in the same direction as the armature 21 when to perform a reciprocating linear motion to the brush 6 although the one that may be one in which the reciprocating direction of the reciprocating direction and the movable element 21 of the brush 6 is slightly shifted.

【0031】 [0031]

【発明の効果】以上のように本発明においては、リニア型往復式電動機を駆動源とするものであり、駆動源そのものが往復直線運動を行うために、ブラシに往復直線運動を行わせるものにおいては運動変換部材を全く必要とせず、運動変換に伴う動力ロスがない上に、可動子にブラシを直結することができることもあって高速駆動が可能で駆動騒音が少ない静かなものとすることができ、しかもブラシを可動子の往復動軸線の延長線方向に配して可動子と略同軸上に並べるとともに可動子と略同方向に往復駆動することから、柄の先端にブラシを設ける歯ブラシの形態に好適できわめてコンパクトにまとめることができる。 In the present invention as described above, according to the present invention is intended to a linear reciprocating motor as a driving source, to the drive source itself perform reciprocating linear motion, in which to perform reciprocating linear motion in the brush without the need of motion converting member at all, on the absence power loss due to the motion converting, that there may be able to directly connect the brush mover assumed quiet driving noise can operate at high speed is less can, moreover since by disposing the brush in the extension direction of the reciprocation axis of the movable element reciprocally driving the mover substantially the same direction together arranged on a movable element and substantially coaxial, the toothbrush is provided a brush at the tip of the handle it can be summarized very compactly suitable form.

【0032】またリニア型往復式電動機によって駆動されるブラシを、電動機の可動子の往復動軸線の延長線方向側に配設されて上記可動子に装着された駆動軸の往復直線運動を受けて回転するものとする時には、従来では二度の運動変換が必要であったのに対して一度の運動変換で求める回転運動をブラシに行わせることができ、これ故に運動変換に伴う動力ロスが少なくて駆動騒音も少ない静かなものとすることができる。 Further the brush driven by linear reciprocating motor is arranged in the extension line direction of the reciprocation axis of the movable element of the electric motor receives a reciprocating linear motion of the drive shaft mounted on the movable element when it is assumed that the rotating, conventionally can be made to brush the rotating movement for in a single motion converting whereas it was necessary motion converting twice, hence the power loss due to the motion converting less it can be made driving noise of even less quiet Te.

【0033】いずれにしても、リニア型往復式電動機は円筒形固定子の内側空間に円筒形固定子の軸方向に往復動を行う可動子を配設した円筒状外形を有するものであることが上記形態のものにとって好ましい。 [0033] In any case, it linear reciprocating motors are those having a cylindrical outer shape which is disposed a movable element which performs reciprocating in the axial direction of the cylindrical stator to the inside space of the cylindrical stator It preferred for those above described aspects. この時、固定子内に配設された可動子が一つであるとともに円柱状または円筒形であるものを用いる時には電動機として簡単な構成のものを用いることができてコストの点で有利であり、固定子内に配設された可動子が二つであるとともに両可動子は相互に逆位相で駆動されるものであるものを用いた時には、二つのブラシを逆位相で往復動させることができるものとすることができる。 In this case, it is advantageous in terms of cost to be able to use a simple structure as an electric motor when disposed a movable member in the stator is used as a cylindrical or cylindrical with a single , when both the movable element together with the movable member which is disposed within the stator is two with those intended to be driven in opposite phases to each other, it is reciprocated two brushes in opposite phases it can be made possible.

【0034】後者の2つの可動子が相互に逆位相で駆動されるタイプにおいては、二つの可動子が円筒形とされた第1の可動子とこの第1の可動子の内側に同心で配設された円柱形乃至円筒形の第2の可動子であるものと、 [0034] In the type latter two movable elements are driven in phase opposition to each other, distribution concentrically inside the first mover and the first mover in which two movable element is cylindrical as a second movable element of the set has been cylindrical or cylindrical,
二つの可動子が共に断面が半円形で固定子の内側空間に平行並列に配されているものとを好適に用いることができる。 Two movable element are both cross-section can be suitably used as those are disposed in parallel parallel the inner space of the stator semicircular.

【0035】また可動子が相互に逆位相で駆動される2 Further 2 the mover is driven in phase opposition to each other
つである時、ブラシは一方の可動子に連結し、他方の可動子にカウンターウェィトを装着すると動作上のバランスを取ることができるために良好な動作を得ることができる。 When it is One, the brush may be connected to one of the movable element, to obtain a good operation for the counter Weito the other of the mover can be balanced on the operation and mounting. 相互に逆位相で駆動される2つの可動子を相反連動手段で連結することも両可動子の直線往復運動が負荷状態にかかわらず常に逆位相となって安定した駆動を行うことができる上に、ブラシが装着された一方の可動子に他方の可動子の駆動力を伝達することができるために、ブラシの駆動力を増大させることができる。 On joining the two movable elements driven mutually in antiphase with reciprocal interlocking means is also capable of performing driving linear reciprocating motion of the two mover a stable become always opposite phase regardless of the load state , in order to brush can transmit the driving force of the other of the movable element in one of the mover mounted, it is possible to increase the driving force of the brush. この場合の相反連動手段には両可動子に夫々設けたラックと固定位置に配された回転軸で支持されて上記両ラックに噛合するピニオンとからなるものや、両端が各可動子に連結されるとともに中央が固定位置に配された軸で軸支されているリンクを好適に用いることができる。 This is the reciprocal interlocking means is supported by a rotating shaft arranged on the rack and the fixed position provided respectively on both the movable element and consist of a pinion which meshes with the both racks when both ends are connected to each movable element Rutotomoni center can be suitably used the link that is pivotally supported by a shaft arranged in a fixed position.

【0036】前記ブラシを回転させるタイプのものにおいては、相互に逆位相で駆動される2つの可動子に駆動軸を夫々設けて、両駆動軸間に位置するブラシに両駆動軸に設けられたラックと噛合するピニオンを設けてラックアンドピニオン機構で回転駆動させることが、ブラシの回転駆動力を高くすることができる上に運動変換のための機構に必要なスペースが少なくてすむ点で好ましい。 [0036] In a type of rotating the brush are mutually the drive shaft respectively provided on two movable elements which are driven in opposite phase, provided on both the drive shaft to the brush located between the drive shaft causing the pinion meshes with the rack provided rotationally driven rack-and-pinion mechanism is preferred in that fewer space necessary mechanism for the motion converting on can increase the rotational driving force of the brush.

【0037】可動子はその往復動方向にのみ撓み可能なばね部材を介して固定子側に連結されて、該ばね部材によって固定子と可動子とが非接触状態に保たれているものとすると、ブラシに加わる力の方向が往復動方向と交叉するものであっても、スムーズな動作を得ることができ、このばね部材には固定子の軸方向両端に夫々装着された板ばねを好適に用いることができる。 The armature is connected to the stator side via a spring member deflectable only to the reciprocating direction, assuming that the movable element and the stator by the spring member is held in a non-contact state , even if the direction of the force exerted on the brush intersects the reciprocating direction, it is possible to obtain a smooth operation, the leaf springs respectively attached to the both axial ends of the stator to the spring member suitably it can be used.

【0038】またリニア型往復式電動機が円筒状外形を有するものである時には手持ち型の筒状ハウジング内にほぼ同軸で納めたものとするのが好ましい。 Further preferably those which dedicated almost coaxially within handheld cylindrical housing when linear reciprocating motor and has a cylindrical outer shape. 使い勝手の上で好ましい細身のものとすることが容易である。 It is easy to those of the preferred slender on usability.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明の実施の形態の一例を示す破断斜視図である。 1 is a cutaway perspective view showing an example of the embodiment of the present invention.

【図2】同上の全体を示す縦断面図である。 2 is a longitudinal sectional view showing the whole of the same.

【図3】同上の電動機の水平断面図である。 3 is a horizontal sectional view of an electric motor; FIG.

【図4】(a)(b)は同上の電動機の平面図と底面図である。 [4] (a) (b) is a plan view and a bottom view of the motor of the same.

【図5】同上のブロック回路図である。 FIG. 5 is a block circuit diagram of the same.

【図6】同上の動作説明のチャートである。 FIG. 6 is a chart explaining the operation of the same.

【図7】(a)(b)は同上の電動機の動作説明図である。 7 (a) (b) is an explanatory view of the operation of the electric motor; FIG.

【図8】他例を示す部分縦断面図である。 8 is a partial vertical sectional view showing another example.

【図9】更に他例の部分縦断面図である。 9 is a partial longitudinal sectional view of a further example.

【図10】別の例の破断斜視図である。 It is a cutaway perspective view of FIG. 10 another example.

【図11】同上の破断正面図である。 FIG. 11 is a cutaway front view of the same.

【図12】更に別の例の破断正面図である。 12 is a cutaway front view of yet another example.

【図13】異なる例の破断正面図である。 13 is a cutaway front view of a different example.

【図14】他例の破断側面図である。 14 is a cutaway side view of another example.

【図15】同上の電動機の水平断面図である。 15 is a horizontal sectional view of an electric motor; FIG.

【図16】同上の電動機の平面図である。 16 is a plan view of an electric motor; FIG.

【図17】(a)(b)は同上の電動機の動作説明図である。 17] (a) (b) is an explanatory view of the operation of the electric motor; FIG.

【図18】別の例を示す破断正面図である。 18 is a cutaway front view showing an another example.

【図19】同上の電動機の水平断面図である。 19 is a horizontal sectional view of an electric motor; FIG.

【図20】同上の電動機の平面図である。 FIG. 20 is a plan view of the motor of the same.

【図21】(a)(b)は同上のシャフトの正面図である。 [Figure 21] (a) (b) is a front view of the same shaft.

【図22】同上の電動機の動作説明図である。 FIG. 22 is an explanatory view of the operation of the electric motor of the same.

【図23】更に他例の破断斜視図である。 23 is a cutaway perspective view of still another example.

【図24】別の実施の形態の一例の斜視図である。 It is a perspective view of an example Figure 24 another embodiment.

【符号の説明】 DESCRIPTION OF SYMBOLS

2 電動機 6 ブラシ 20 固定子 21 可動子 2 motor 6 brush 20 stator 21 mover

Claims (15)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 コイルを備えた固定子と、永久磁石または磁性体からなる可動子とを備えて固定子に対して可動子を往復直線運動させるリニア型往復式電動機を駆動源とし、該電動機の可動子に連結されて往復駆動されるブラシは、電動機の可動子の往復動軸線の延長線方向に配設されて上記可動子と略同軸上に並ぶとともに可動子と略同方向に往復駆動されるものであることを特徴とする電動歯ブラシ。 1. A and a stator having a coil, a driving source linear reciprocating electric motor to reciprocate the mover relative to the stator and a mover comprising a permanent magnet or magnetic body, the electric motor is connected to the movable element by the brush to be reciprocated, the reciprocating drive is arranged in the extension line direction of the reciprocation axis of the movable element of the electric motor to the movable element and substantially the same direction together aligned in the moving element and substantially coaxially electric toothbrush, characterized in that it is intended to be.
  2. 【請求項2】 コイルを備えた固定子と、永久磁石または磁性体からなる可動子とを備えて固定子に対して可動子を往復直線運動させるリニア型往復式電動機を駆動源とし、該電動機によって駆動されるブラシは、電動機の可動子の往復動軸線の延長線方向側に配設されて上記可動子に装着された駆動軸の往復直線運動を受けて回転するものであることを特徴とする電動歯ブラシ。 2. A stator having a coil, a driving source linear reciprocating electric motor to reciprocate the mover relative to the stator and a mover comprising a permanent magnet or magnetic body, the electric motor brushes, and wherein the disposed an extension direction of the reciprocation axis of the movable element of the electric motor is intended to rotate by receiving the reciprocating linear motion of the drive shaft mounted on the movable element driven by electric toothbrush.
  3. 【請求項3】 リニア型往復式電動機は円筒形固定子の内側空間に円筒形固定子の軸方向に往復動を行う可動子を配設した円筒状外形を有するものであることを特徴とする請求項1または2記載の電動歯ブラシ。 3. A linear reciprocating electric motor is characterized in that having a cylindrical outer shape which is disposed a movable element which performs reciprocating in the axial direction of the cylindrical stator to the inside space of the cylindrical stator according to claim 1 or 2, wherein the electric toothbrush.
  4. 【請求項4】 固定子内に配設された可動子は一つであるとともに円柱状または円筒形であることを特徴とする請求項3記載の電動歯ブラシ。 Claim 3 wherein the electric toothbrush, characterized in that disposed a movable member in the stator is cylindrical or cylindrical with a one.
  5. 【請求項5】 固定子内に配設された可動子が二つであるとともに両可動子は相互に逆位相で駆動されるものであることを特徴とする請求項3記載の電動歯ブラシ。 5. A method according to claim 3, wherein the electric toothbrush, characterized in that both armature with armature disposed within stator is two and are driven in phase opposition to each other.
  6. 【請求項6】 二つの可動子は円筒形とされた第1の可動子とこの第1の可動子の内側に同心で配設された円柱形乃至円筒形の第2の可動子であることを特徴とする請求項5記載の電動歯ブラシ。 It 6. Two armature is first mover and the first second movable cylindrical or cylindrical disposed concentrically inside the movable element is cylindrical claim 5, wherein the electric toothbrush according to claim.
  7. 【請求項7】 二つの可動子は共に断面が半円形で固定子の内側空間に平行並列に配されていることを特徴とする請求項5記載の電動歯ブラシ。 7. The two movable elements are both cross-section according to claim 5, wherein the electric toothbrush, characterized in that are arranged in parallel parallel the inner space of the stator semicircular.
  8. 【請求項8】 ブラシは一方の可動子に連結され、他方の可動子にカウンターウェィトが装着されていることを特徴とする請求項5記載の電動歯ブラシ。 8. The brush is connected to one of the movable element, according to claim 5, wherein the electric toothbrush counter Weito the other of the movable element is characterized in that it is fitted.
  9. 【請求項9】 相互に逆位相で駆動される2つの可動子は相反連動手段で連結されていることを特徴とする請求項5または8記載の電動歯ブラシ。 9. two movable elements according to claim 5 or 8, wherein the electric toothbrush, characterized in that it is connected with reciprocal interlocking means driven mutually in phase opposition.
  10. 【請求項10】 相反連動手段は両可動子に夫々設けたラックと固定位置に配された回転軸で支持されて上記両ラックに噛合するピニオンとからなることを特徴とする請求項9記載の電動歯ブラシ。 10. reciprocal interlocking means according to claim 9, wherein the comprising the pinion is supported by a rotating shaft arranged on the rack and the fixed position provided respectively on both the movable element meshing with the both racks electric toothbrush.
  11. 【請求項11】 相反連動手段は両端が各可動子に連結されるとともに中央が固定位置に配された軸で軸支されているリンクであることを特徴とする請求項9記載の電動歯ブラシ。 11. reciprocal interlocking means electric toothbrush according to claim 9, wherein the two ends are linked to the center is pivotally supported by a shaft arranged in a fixed position while being connected to each movable element.
  12. 【請求項12】 相互に逆位相で駆動される2つの可動子を備えるとともに各可動子に駆動軸が夫々設けられ、 12. The drive shaft each movable element provided with a two movable elements driven mutually in opposite phases each provided,
    両駆動軸間に位置するブラシは両駆動軸に設けられたラックと噛合するピニオンを備えてラックアンドピニオン機構で回転駆動されるものであることを特徴とする請求項2記載の電動歯ブラシ。 Electric toothbrush according to claim 2, wherein the brush located between the drive shaft of which are rotated by a rack-and-pinion mechanism includes a pinion meshes with the rack provided on both the drive shaft.
  13. 【請求項13】 可動子はその往復動方向にのみ撓み可能なばね部材を介して固定子側に連結されて、該ばね部材によって固定子と可動子とが非接触状態に保たれていることを特徴とする請求項1〜5のいずれかの項に記載の電動歯ブラシ。 13. armature is connected to the stator side via a spring member deflectable only to the reciprocating direction, the stator and the movable element by the spring member is held in a non-contact state the electric toothbrush according to any one of claims 1 to 5, wherein.
  14. 【請求項14】 ばね部材は固定子の軸方向両端に夫々装着された板ばねであることを特徴とする請求項13記載の電動歯ブラシ。 14. The spring member 13. The electric toothbrush, wherein the axial ends of the stator respectively is mounted a plate spring.
  15. 【請求項15】 手持ち型の筒状ハウジング内に円筒状のリニア型往復式電動機をほぼ同軸で納めていることを特徴とする請求項3記載の電動歯ブラシ。 15. The hand-held cylindrical claim 3, wherein the electric toothbrush, characterized in that pay in generally coaxial cylindrical linear reciprocating motor within the housing.
JP7070896A 1996-03-26 1996-03-26 Electric toothbrush Withdrawn JPH09252843A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7070896A JPH09252843A (en) 1996-03-26 1996-03-26 Electric toothbrush

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7070896A JPH09252843A (en) 1996-03-26 1996-03-26 Electric toothbrush

Publications (1)

Publication Number Publication Date
JPH09252843A true JPH09252843A (en) 1997-09-30

Family

ID=13439364

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7070896A Withdrawn JPH09252843A (en) 1996-03-26 1996-03-26 Electric toothbrush

Country Status (1)

Country Link
JP (1) JPH09252843A (en)

Cited By (12)

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EP1329203A1 (en) * 2002-01-18 2003-07-23 Matsushita Electric Works, Ltd. Electric toothbrush and linear oscillator for the same
US7315098B2 (en) * 2001-03-27 2008-01-01 Matsushita Electric Works, Ltd. Linear oscillator and electrically driven toothbrush
US7687944B2 (en) * 2005-09-08 2010-03-30 Koninklijke Philips Electronics N.V. Actuation system for personal care appliance using linear actuators
EP2410642A1 (en) * 2010-07-23 2012-01-25 Braun GmbH Handle section of a small electric device and small electric device
WO2013084438A1 (en) * 2011-12-05 2013-06-13 パナソニック 株式会社 Linear actuator and oral hygiene device
WO2014103226A1 (en) * 2012-12-27 2014-07-03 パナソニック 株式会社 Electric linear actuator and output shaft vibration-type electric device with said electric linear actuator
WO2014103225A1 (en) * 2012-12-27 2014-07-03 パナソニック 株式会社 Electric linear actuator and output shaft vibration-type electric device with said electric linear actuator
US9099939B2 (en) 2011-07-25 2015-08-04 Braun Gmbh Linear electro-polymer motors and devices having the same
CN105006942A (en) * 2015-07-24 2015-10-28 深圳市仓兴达科技有限公司 Miniature reciprocating type oscillator
US9226808B2 (en) 2011-07-25 2016-01-05 Braun Gmbh Attachment section for an oral hygiene device
CN105287037A (en) * 2015-10-15 2016-02-03 莫文油 Clockwork-driven energy storage toothbrush
US10327876B2 (en) 2011-07-25 2019-06-25 Braun Gmbh Oral cleaning tool for an oral hygiene device

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7315098B2 (en) * 2001-03-27 2008-01-01 Matsushita Electric Works, Ltd. Linear oscillator and electrically driven toothbrush
EP1329203A1 (en) * 2002-01-18 2003-07-23 Matsushita Electric Works, Ltd. Electric toothbrush and linear oscillator for the same
US7328474B2 (en) 2002-01-18 2008-02-12 Matsushita Electric Works, Ltd. Electric toothbrush with linear oscillator
US7687944B2 (en) * 2005-09-08 2010-03-30 Koninklijke Philips Electronics N.V. Actuation system for personal care appliance using linear actuators
EP2410642A1 (en) * 2010-07-23 2012-01-25 Braun GmbH Handle section of a small electric device and small electric device
WO2012011088A1 (en) * 2010-07-23 2012-01-26 Braun Gmbh Handle section of a small electric device and small electric device
JP2013530806A (en) * 2010-07-23 2013-08-01 ブラウン ゲーエムベーハー Handle part of small electric device and small electric device
US9003590B2 (en) 2010-07-23 2015-04-14 Braun Gmbh Handle section of a small electric device and small electric device
US9226808B2 (en) 2011-07-25 2016-01-05 Braun Gmbh Attachment section for an oral hygiene device
US9099939B2 (en) 2011-07-25 2015-08-04 Braun Gmbh Linear electro-polymer motors and devices having the same
US10327876B2 (en) 2011-07-25 2019-06-25 Braun Gmbh Oral cleaning tool for an oral hygiene device
EP2790309A4 (en) * 2011-12-05 2015-12-30 Panasonic Corp Linear actuator and oral hygiene device
CN103959619A (en) * 2011-12-05 2014-07-30 松下电器产业株式会社 Linear actuator and oral hygiene device
EP2790309A1 (en) * 2011-12-05 2014-10-15 Panasonic Corporation Linear actuator and oral hygiene device
JP2013118779A (en) * 2011-12-05 2013-06-13 Panasonic Corp Linear actuator and oral hygiene device comprising the same
WO2013084438A1 (en) * 2011-12-05 2013-06-13 パナソニック 株式会社 Linear actuator and oral hygiene device
WO2014103225A1 (en) * 2012-12-27 2014-07-03 パナソニック 株式会社 Electric linear actuator and output shaft vibration-type electric device with said electric linear actuator
WO2014103226A1 (en) * 2012-12-27 2014-07-03 パナソニック 株式会社 Electric linear actuator and output shaft vibration-type electric device with said electric linear actuator
JP2014128186A (en) * 2012-12-27 2014-07-07 Panasonic Corp Electric linear actuator and output shaft vibration electric drive device having the electric linear actuator
US9895210B2 (en) 2012-12-27 2018-02-20 Panasonic Intellectual Property Management Co., Ltd. Electric linear actuator and output shaft vibration-type electric device with said electric linear actuator
JP2014128189A (en) * 2012-12-27 2014-07-07 Panasonic Corp Electric linear actuator and output shaft vibration electric drive device having the electric linear actuator
CN105006942A (en) * 2015-07-24 2015-10-28 深圳市仓兴达科技有限公司 Miniature reciprocating type oscillator
CN105287037A (en) * 2015-10-15 2016-02-03 莫文油 Clockwork-driven energy storage toothbrush

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