JPH09139157A - Switch - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a switch which greatly reducing the number of component parts and becomes simple in structure by rotating or pressing a movable member of a switch by an operating shaft to bring the contact part of of a coil spring provided in the movable member into contact with a fixed contact. SOLUTION: An operating shaft 2 is inserted into the movable member 4 of a switch 1 and supported by a casing 3, and a coil spring 5 is provided in the movable member 4 to a base board 6 in which a plurality of fixed contacts are formed. With this constitution, when the operating shaft 2 is moved straight in its axial direction to press the movable member 4 by its step part, the contact part 5a of the coil spring 5 is brought into contact with the fixed contact of the base board 6 to make electrical connection. Also, when the operating shaft 2 is rotated with respect to its axis, the cam surface of the casing 3 is engaged with the longitudinally moving part of the movable member 4 and the contact part 5a of the coil spring 5 is rotated and at the same time is moved toward the fixed contact of line base board 6 and is brought into contact with it to make electrical connection. Therefore, a switch 1 in which the number of constituent part items is greatly reduced and its structure is simplified and which has high reliability is obtained.

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、複数接点の選択的
な電気的接続を行うのに好適なスイッチに関するもので
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a switch suitable for making selective electrical connection of a plurality of contacts.

【０００２】[0002]

【従来の技術】従来の複数接点の選択的な電気的接続を
行うスイッチとしては、例えば、図６に示すようなもの
がある。図６（ａ）において、スイッチ１０１は、基板
Ｂ上に設けられている場合を示したものであって、操作
軸１０２は、回転可能でかつ軸方向に移動可能にケース
１０３によって支持されているとともに、操作軸１０２
の段付き部１０２ａには、図６（ｂ）に示すように、銅
板から一体成形された接点１０５ａ〜１０５ｄを有する
接点部材１０５が固定されている。なお、図６（ｂ）
は、図６（ａ）の断面Ｙ−Ｙを矢印方向から見た図であ
る。2. Description of the Related Art As a conventional switch for selectively electrically connecting a plurality of contacts, there is, for example, one shown in FIG. In FIG. 6A, the switch 101 is provided on the substrate B, and the operation shaft 102 is supported by the case 103 so as to be rotatable and axially movable. Together with the operation shaft 102
As shown in FIG. 6B, a contact member 105 having contacts 105a to 105d integrally formed from a copper plate is fixed to the stepped portion 102a. FIG. 6 (b)
[Fig. 6] is a view of a cross section Y-Y of Fig. 6 (a) viewed from an arrow direction.

【０００３】そして、この接点部材１０５とケース１０
３の一方の壁面との間には、操作軸１０２が挿入された
かたちでコイルバネ１０４が圧縮された状態で設けられ
ており、操作軸１０２に外力が働いていない状態では、
操作軸１０２の段付き部１０２ａがケース１０３の他方
の壁面に押し付けられた状態となっている。Then, the contact member 105 and the case 10
3, the coil spring 104 is provided in a compressed state in a state where the operation shaft 102 is inserted, and in a state where no external force acts on the operation shaft 102,
The stepped portion 102a of the operation shaft 102 is pressed against the other wall surface of the case 103.

【０００４】一方、ケース１０３の内周面には、図６
（ｂ）に示すように、４か所に接点１０７ａ，１０７
ｂ，１０７ｃおよび１０７ｄが設けられており、図示し
ない基板Ｂ上の配線とそれぞれ接続されている。On the other hand, as shown in FIG.
As shown in (b), the contacts 107a, 107 are provided at four locations.
b, 107c and 107d are provided and are respectively connected to the wiring on the substrate B (not shown).

【０００５】また、ケース１０３の外側に操作軸１０２
が挿入されるかたちで設けられた部材１０６は、その内
部に操作軸１０２の回転方向の中立位置を保持するため
の回転方向用バネが内蔵されており、操作軸１０２に回
転方向の外力が働いていない場合には、図６（ｂ）に示
す中立位置に保持されている。The operation shaft 102 is provided outside the case 103.
The member 106 provided in such a manner that the insertion is made has a built-in rotation direction spring for holding the neutral position of the operation shaft 102 in the rotation direction, and an external force in the rotation direction acts on the operation shaft 102. If not, it is held at the neutral position shown in FIG.

【０００６】このように構成されるスイッチ１０１にお
いて、図６（ｂ）に示すように、操作軸１０２に軸方向
および回転方向のいずれにも力が作用していない場合の
中立状態においては、ケース１０３側の接点１０７ａお
よび１０７ｃと操作軸１０２側の接点１０５ａおよび１
０５ｃとがそれぞれ接触し、接点１０７ａと１０７ｃと
が導通した状態になっている。In the switch 101 thus constructed, as shown in FIG. 6B, in the neutral state when no force acts on the operation shaft 102 in either the axial direction or the rotation direction, the case is Contact points 107a and 107c on the 103 side and contact points 105a and 1 on the operating shaft 102 side
05c are in contact with each other, and the contacts 107a and 107c are in a conductive state.

【０００７】なお、接点部材１０５は、銅板から接点１
０５ａ〜１０５ｄの形状を打ち抜きかつ当該接点１０５
ａ〜１０５ｄを曲折することにより成形したものであ
り、接点１０５ａ〜１０５ｄと接点１０７ａ〜１０７ｄ
との接触の際の接触圧は弾性を利用したものである。The contact member 105 is made of a copper plate and contacts 1
05a to 105d are punched out and the contact 105
a to 105d are formed by bending, and contact points 105a to 105d and contact points 107a to 107d are formed.
The contact pressure at the time of contacting with is based on elasticity.

【０００８】ここで、操作軸１０２を矢印Ａ3 の方向に
回転させると、ケース１０３側の接点１０７ｂおよび１
０７ｃと操作軸１０２側の接点１０５ｂおよび１０５ｄ
とがそれぞれ接触し、接点１０７ｂと１０７ｃとが導通
する。When the operating shaft 102 is rotated in the direction of arrow A3, the contacts 107b and 1 on the side of the case 103 are rotated.
07c and the contact points 105b and 105d on the operating shaft 102 side
And 107 contact each other, and the contacts 107b and 107c are conducted.

【０００９】逆に、操作軸１０２を矢印Ａ4 の方向に回
転させると、ケース１０３側の接点１０７ｄおよび１０
７ｃと操作軸１０２側の接点１０５ｄおよび１０５ｂと
がそれぞれ接触し、接点１０７ｄと１０７ｃとが導通す
る。On the contrary, when the operating shaft 102 is rotated in the direction of arrow A4, the contacts 107d and 10 on the case 103 side are rotated.
7c and the contact points 105d and 105b on the side of the operating shaft 102 come into contact with each other, and the contact points 107d and 107c are brought into conduction.

【００１０】一方、図６（ａ）に示す矢印Ａ2 の方向に
操作軸１０２を移動させると、接点１０７ａおよび１０
７ｃと接点１０５ａおよび１０５ｃとは非接触状態とな
って、何れの接点１０７ａ〜１０７ｄも導通していない
状態となる。On the other hand, when the operating shaft 102 is moved in the direction of arrow A2 shown in FIG.
7c and the contacts 105a and 105c are in a non-contact state, and none of the contacts 107a to 107d are in conduction.

【００１１】このように、スイッチ１０１によれば、接
点１０７ａと１０７ｃとが導通した状態、接点１０７ｂ
と１０７ｃとが導通した状態、接点１０７ｄと１０７ｃ
とが導通した状態および非導通状態の４つの状態を選択
的に実現することができる。As described above, according to the switch 101, the contact 107a and the contact 107c are in the conductive state, and the contact 107b.
And 107c are electrically connected, contacts 107d and 107c
It is possible to selectively realize the four states of conduction and non-conduction.

【００１２】[0012]

【発明が解決しようとする課題】しかしながら、このよ
うなスイッチ１０１においては、コイルバネ１０４およ
び部材１０６に内蔵された回転方向用バネの２種類のバ
ネ、接点１０５ａ〜１０５ｄが一体成形された接点部材
１０５、接点１０７ａ〜１０７ｄ、等の比較的多数の部
品が必要であり、構造が比較的複雑なものであるため、
製造コストがかかり、信頼性に欠けるという問題があっ
た。However, in such a switch 101, a contact member 105 in which two types of springs, a coil spring 104 and a rotation direction spring built in the member 106, and contacts 105a to 105d are integrally formed. , Contacts 107a to 107d, and the like require a relatively large number of parts, and the structure is relatively complicated.
There is a problem that the manufacturing cost is high and the reliability is low.

【００１３】本発明は、かかる従来の問題に鑑みてなさ
れたもので、構成部品数が大幅に削減されて構造が単純
化され、信頼性が向上するとともに、製造コストの削減
が可能なスイッチを提供することを目的とする。The present invention has been made in view of the above-mentioned conventional problems. A switch capable of significantly reducing the number of constituent parts, simplifying the structure, improving reliability, and reducing the manufacturing cost is provided. The purpose is to provide.

【００１４】[0014]

【課題を解決するための手段】本発明に係るスイッチ
は、回転可能でかつ軸方向に移動可能な操作軸と、複数
の固定接点と、前記操作軸の回転または軸方向への移動
に伴い前記複数の固定接点と選択的に接触する接点部を
有し、回転力および軸方向への移動に伴う圧縮力に対し
て復元力を有し、操作軸の非操作時には当該接点部を前
記固定接点と離間した所定位置に保持する弾性体と、前
記操作軸に前記弾性体の弾性力に抗した回転力が加わっ
た場合に、当該回転力に対する復元力に抗して前記接点
部を所定の固定接点に向けて移動させて接触させる接点
移動手段とを有する構成としている。SUMMARY OF THE INVENTION A switch according to the present invention includes an operating shaft which is rotatable and movable in the axial direction, a plurality of fixed contacts, and which rotates with the operating shaft or moves in the axial direction. It has a contact part that selectively contacts a plurality of fixed contacts, and has a restoring force to the compression force that accompanies the rotational force and the movement in the axial direction. When a rotational force that resists the elastic force of the elastic body is applied to the operation shaft and an elastic body that is held at a predetermined position apart from the elastic body, the contact portion is fixed in a predetermined manner against the restoring force against the rotational force. It is configured to have a contact moving means for moving the contact toward the contact.

【００１５】本発明に係るスイッチは、弾性体は、操作
軸の操作に応じて直線運動または回転運動される可動部
に取り付けられ、前記操作軸の直線運動に伴って接点部
の運動を直線運動のみに規制する規制手段を備え、接点
移動手段は、前記操作軸の回転運動に応じて前記可動部
に形成された従動部と係合して前記接点部を前記所定の
固定接点に向けて移動させるカム面を有する構成とする
ことができる。In the switch according to the present invention, the elastic body is attached to the movable portion which is linearly or rotationally moved according to the operation of the operation shaft, and the movement of the contact portion is linearly moved along with the linear motion of the operation shaft. The contact moving means engages with the driven portion formed on the movable portion in response to the rotational movement of the operating shaft to move the contact portion toward the predetermined fixed contact. It may be configured to have a cam surface that allows the cam surface to move.

【００１６】さらに、本発明に係るスイッチは、操作軸
と可動部とが一体に形成されている構成とすることがで
きる。Further, the switch according to the present invention may be configured such that the operating shaft and the movable portion are integrally formed.

【００１７】本発明に係るスイッチによれば、接点移動
手段を備えたことによって、操作軸の回転操作により、
所定の固定接点と弾性体の接点部との接触が行われるこ
とになるとともに、操作軸の軸方向の直線運動操作によ
り、弾性体の接点部と所定の固定接点との接触が行われ
ることになり、さらに、操作軸の非操作時には、弾性体
の作用によって接点部が固定接点と非接触状態となり、
この結果、複数の選択的な導通状態および非導通状態が
実現されるとともに、信頼性の高いスイッチになる。According to the switch of the present invention, by providing the contact moving means, it is possible to rotate the operating shaft,
The predetermined fixed contact and the contact portion of the elastic body are brought into contact with each other, and the contact portion of the elastic body is brought into contact with the predetermined fixed contact by the linear movement operation of the operation shaft in the axial direction. Furthermore, when the operating shaft is not operated, the contact portion is brought into non-contact with the fixed contact due to the action of the elastic body,
As a result, a plurality of selective conducting states and non-conducting states are realized, and the switch becomes highly reliable.

【００１８】また、弾性体の一部を接点部とするととも
に、弾性体が圧縮力および回転力に対する復元力を有す
るため、従来のように、２つのバネは必要なく、また、
複数接点が一体成形された接点部材のような複雑な部品
は必要なくなり、構造が簡素化されることになる。Further, since a part of the elastic body serves as a contact portion and the elastic body has a restoring force against the compressive force and the rotating force, two springs are not required unlike the conventional case, and
A complicated part such as a contact member integrally formed with a plurality of contacts is not required, and the structure is simplified.

【００１９】さらに、固定接点と弾性体の接点部との接
触の際の接触圧は、操作軸に加えた直進力または回転力
によって決まるため、接触不良が少なくなる。Further, since the contact pressure at the time of contact between the fixed contact and the contact portion of the elastic body is determined by the rectilinear force or the rotational force applied to the operation shaft, contact failure is reduced.

【００２０】本発明に係るスイッチによれば、規制手段
を備えたことによって、操作軸の直線運動操作により、
弾性体の接点部と所定の固定接点との接触が確実に行わ
れることになり、弾性体が操作軸の操作に応じて直線運
動または回転運動される可動部に取り付けられたことに
より、弾性体の接点部が可動のものとなり、また、接点
移動手段が前記操作軸の回転運動に応じて前記可動部に
形成された従動部と係合して当該可動部を前記所定の固
定接点に向けて移動させるカム面を有するものとするこ
とにより、接点部が回転力に対する復元力に抗して所定
の固定接点に向けて回転しつつ前進して接触するものと
なる。According to the switch of the present invention, by providing the regulating means, the linear movement operation of the operation shaft can be performed.
The contact between the contact portion of the elastic body and the predetermined fixed contact is surely performed, and the elastic body is attached to the movable portion that is linearly or rotationally moved according to the operation of the operation shaft. The contact part of the movable part is movable, and the contact moving means engages with the driven part formed on the movable part in response to the rotational movement of the operating shaft to direct the movable part to the predetermined fixed contact. By having the cam surface to be moved, the contact portion moves forward while making contact with the fixed contact against the restoring force against the rotational force while rotating.

【００２１】また、本発明に係るスイッチによれば、操
作軸と可動部とが一体に形成されている構成とすること
により、操作軸および可動部の一体成形が可能となり、
製造コストが低減されることになる。Further, according to the switch of the present invention, since the operating shaft and the movable portion are integrally formed, the operating shaft and the movable portion can be integrally molded,
Manufacturing costs will be reduced.

【００２２】[0022]

【発明の実施の形態】以下、本発明に係る電気的スイッ
チの実施形態を図面に基づいて説明する。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of an electric switch according to the present invention will be described below with reference to the drawings.

【００２３】図１（ａ）〜（ｃ）は、本発明に係るスイ
ッチの一実施形態を示す断面説明図であって、図１
（ａ）は操作軸の非動作時の状態を示しており、図１
（ｂ）は操作軸を矢印方向に直進動作させた状態を示し
ており、さらに、図１（ｃ）は、操作軸を回転させた状
態を示している。FIGS. 1A to 1C are cross-sectional explanatory views showing an embodiment of a switch according to the present invention.
FIG. 1 (a) shows a state in which the operating shaft is not operating, and FIG.
1B shows a state in which the operating shaft is moved straight in the direction of the arrow, and FIG. 1C shows a state in which the operating shaft is rotated.

【００２４】まず、図１（ａ）に示すスイッチ１は、操
作軸２によって直線運動または回転運動される可動部材
４が操作軸２に挿入されるとともに、この操作軸２は、
ケーシング３により回転可能でかつ軸方向に移動可能に
支持されており、また、ケーシング３内に可動部材４は
収容されている。First, in the switch 1 shown in FIG. 1A, a movable member 4 which is linearly or rotationally moved by an operating shaft 2 is inserted into the operating shaft 2, and the operating shaft 2 is
It is rotatably and axially movably supported by the casing 3, and the movable member 4 is housed in the casing 3.

【００２５】そして、ケーシング３は複数の固定接点が
形成された基板６に、ケーシング３の固定部３ｃが基板
６に形成されたケーシング固定用孔６ｂに挿入されるこ
とにより固定されている。The casing 3 is fixed to the substrate 6 on which a plurality of fixed contacts are formed by inserting the fixing portion 3c of the casing 3 into the casing fixing hole 6b formed on the substrate 6.

【００２６】この基板６と可動部材４との間には、導電
体からなるコイルバネ５が操作軸２および可動部材４と
同心状に配置されており、コイルバネ５は圧縮された状
態にあり、可動部材４をケーシング３の内壁面に押し付
けた状態となっている。Between the substrate 6 and the movable member 4, a coil spring 5 made of a conductor is arranged concentrically with the operating shaft 2 and the movable member 4, and the coil spring 5 is in a compressed state and is movable. The member 4 is pressed against the inner wall surface of the casing 3.

【００２７】また、コイルバネ５の一端部は、接点部５
ａを形成しており、他端部５ｂはケーシング３の固定部
３ｃと基板６とによって固定されている。Further, one end of the coil spring 5 has a contact portion 5
a is formed, and the other end 5b is fixed by the fixing portion 3c of the casing 3 and the substrate 6.

【００２８】さらに、操作軸２の一方端部は、基板に形
成された孔６ａに挿入され、かつ、Ｅリング７により抜
け止めされている。Further, one end of the operating shaft 2 is inserted into a hole 6a formed in the substrate and is prevented from coming off by an E ring 7.

【００２９】一方、基板６には、図３に示すように、複
数の固定接点８ａ〜８ｄが形成され、固定接点８ａは操
作軸挿入用孔６ａの外周に環状に形成されており、ま
た、固定接点８ｂ〜８ｄは、環状の固定接点８ａの外周
に等間隔で同形状に形成されているが、上記のコイルバ
ネ５の端部５ｂは、固定接点８ａと常に接触している。On the other hand, as shown in FIG. 3, a plurality of fixed contacts 8a to 8d are formed on the substrate 6, and the fixed contacts 8a are formed in an annular shape on the outer periphery of the operation shaft inserting hole 6a. The fixed contacts 8b to 8d are formed on the outer periphery of the annular fixed contact 8a in the same shape at equal intervals, but the end 5b of the coil spring 5 is always in contact with the fixed contact 8a.

【００３０】ところで、図２は、ケーシング３内の透視
図であって、図２（ａ），（ｂ）は図１（ａ）、図２
（ｃ），（ｄ）は図１（ｂ）、図２（ｅ），（ｆ）は図
１（ｃ）の各状態にそれぞれ対応した図である。By the way, FIG. 2 is a perspective view of the inside of the casing 3, and FIGS. 2A and 2B are FIGS.
1C is a diagram corresponding to each state of FIG. 1B, and FIGS. 2E and 2F are diagrams corresponding to each state of FIG. 1C.

【００３１】まず、図２（ａ）に示すように、ケーシン
グ３の内周の一部には、カム面３ａが操作軸２の正転、
逆転にそれぞれ対応して形成されており、また、可動部
材４には従動部４ｂが形成されている。First, as shown in FIG. 2 (a), a cam surface 3a is provided on a part of the inner circumference of the casing 3 in the normal rotation of the operating shaft 2.
The movable member 4 is formed to correspond to the reverse rotation, and the driven member 4b is formed on the movable member 4.

【００３２】一方、図２（ｂ）に示すように、ケーシン
グ３の内周のカム面３ａが形成された部分以外の部分に
は、案内溝３ｂが形成されるとともに、可動部材４に
は、回転方向に関して案内溝３ｂの形成位置に対応する
位置に突起部４ａが形成されている。On the other hand, as shown in FIG. 2B, a guide groove 3b is formed in a portion of the casing 3 other than the portion where the cam surface 3a is formed, and the movable member 4 is The protrusion 4a is formed at a position corresponding to the position where the guide groove 3b is formed in the rotational direction.

【００３３】ここで、図１（ｂ）に示すように、矢印方
向に操作軸２を直線的に移動させると、操作軸２の段付
部２ａによって可動部材４の一方端部が押圧されて、可
動部材４が基板６に向かって前進する。Here, as shown in FIG. 1B, when the operating shaft 2 is linearly moved in the direction of the arrow, one end of the movable member 4 is pressed by the stepped portion 2a of the operating shaft 2. , The movable member 4 advances toward the substrate 6.

【００３４】そして、可動部材４に設けられたコイルバ
ネ５の接点部５ａは、図３に示した固定接点８ｃと接触
する。The contact portion 5a of the coil spring 5 provided on the movable member 4 comes into contact with the fixed contact 8c shown in FIG.

【００３５】このため、固定接点８ａと８ｃとは、コイ
ルバネ５を介して導通することになる。Therefore, the fixed contacts 8a and 8c are electrically connected via the coil spring 5.

【００３６】このとき、図２（ｄ）に示すように、可動
部材４に形成された突起部４ａはケーシング３の案内溝
３ｂと係合するため、操作軸２に回転方向の力が働いて
も、操作軸２は回転しない。At this time, as shown in FIG. 2D, the protrusion 4a formed on the movable member 4 engages with the guide groove 3b of the casing 3, so that a force in the rotational direction acts on the operating shaft 2. However, the operation shaft 2 does not rotate.

【００３７】即ち、操作軸２の直線運動に伴って接点部
５ａの運動を直線運動のみに規制する規制手段が構成さ
れている。That is, the regulating means for regulating the movement of the contact portion 5a to only the linear movement along with the linear movement of the operating shaft 2 is constituted.

【００３８】このため、同時に２つの接点に接点部５ａ
が接触することがなくなり、スイッチの信頼性が向上
し、また、固定接点８ｃと接点部５ａとが接触状態にあ
るとき、接点部５ａは規制手段により回転が規制されて
いるため、固定接点８ｃは接点部５ａの回転により損傷
するということがない。Therefore, the contact portion 5a is connected to two contact points at the same time.
Does not come into contact with each other, the reliability of the switch is improved, and when the fixed contact 8c and the contact portion 5a are in contact with each other, the rotation of the contact portion 5a is restricted by the restricting means. Is not damaged by the rotation of the contact portion 5a.

【００３９】次に、スイッチ１の操作軸２を回転させて
図１（ｃ）に示すような状態にする際には、図２（ｅ）
に示すように、対応するカム面３ａが操作軸２の回転運
動に応じて可動部材４に形成された従動部４ｂと係合し
て可動部材４に設けられたコイルバネ５の接点５ａが回
転しつつ固定接点８ｂまたは８ｄに向かって移動し接触
する。Next, when the operation shaft 2 of the switch 1 is rotated into the state shown in FIG. 1C, the state shown in FIG.
As shown in, the corresponding cam surface 3a engages with the driven portion 4b formed on the movable member 4 in response to the rotational movement of the operating shaft 2 to rotate the contact 5a of the coil spring 5 provided on the movable member 4. While moving toward the fixed contacts 8b or 8d, they come into contact with each other.

【００４０】なお、可動部材４に形成された突起部４ａ
も操作軸２の回転に伴って回転しかつ基板６に向かって
移動するため、ケーシング４の内周に形成された案内溝
３ｂの両側には、突起部４ａが接触しないように逃げ部
３ｄが形成されている。The protrusion 4a formed on the movable member 4
Since it also rotates with the rotation of the operation shaft 2 and moves toward the substrate 6, the relief portions 3d are provided on both sides of the guide groove 3b formed on the inner circumference of the casing 4 so that the protrusions 4a do not come into contact with each other. Has been formed.

【００４１】また、固定接点８ｂ，８ｄのいずれかと接
触するかは、操作軸２の回転方向によって決まる。The contact with either of the fixed contacts 8b or 8d depends on the rotation direction of the operating shaft 2.

【００４２】このようにして、固定接点８ａと８ｂまた
は８ｄとは、コイルバネ５を介して導通することにな
る。In this way, the fixed contacts 8a and 8b or 8d are electrically connected via the coil spring 5.

【００４３】以上のように、本実施形態によれば、ケー
シング３にカム面３ａを備えたことによって、操作軸２
の回転操作により、所定の固定接点８ｂまたは８ｃとコ
イルバネ５の接点部５ａとの接触を行なうことができる
とともに、ケーシング３に案内溝３ｂを形成し、可動部
材４に突起部４ａを形成したことにより、操作軸２の直
線運動操作により、コイルバネ５の接点部５ａと所定の
固定接点８ｃとの接触を確実に行なうことができ、さら
に、操作軸２の非操作時には、コイルバネ５の作用によ
って接点部５ａが固定接点８ｂ〜８ｄと非接触状態とな
る。As described above, according to this embodiment, since the casing 3 is provided with the cam surface 3a, the operation shaft 2
The predetermined fixed contact 8b or 8c can be brought into contact with the contact portion 5a of the coil spring 5, and the guide groove 3b is formed in the casing 3 and the protrusion 4a is formed in the movable member 4 by the rotating operation. Thus, the linear movement operation of the operating shaft 2 can surely bring the contact portion 5a of the coil spring 5 into contact with the predetermined fixed contact 8c. Further, when the operating shaft 2 is not operated, the contact of the coil spring 5 causes the contact. The portion 5a is brought into non-contact with the fixed contacts 8b to 8d.

【００４４】この結果、接点部５ａと複数の固定接点８
ｂ〜８ｄとの選択的な導通状態および非導通状態を実現
することができるとともに、信頼性の高いスイッチとす
ることができる。As a result, the contact portion 5a and the plurality of fixed contacts 8
It is possible to realize a selective conduction state and non-conduction state with b to 8d, and it is possible to provide a highly reliable switch.

【００４５】また、コイルバネ５の一部を接点部５ａと
したこと、および、コイルバネ５が圧縮力および回転力
に対する復元力を同時に有するため、従来のように、２
つのバネは必要なく、また、複数接点が一体成形された
接点部材のような複雑な部品は必要なくなり、構造を簡
素化することが可能になる。Further, since a part of the coil spring 5 is used as the contact portion 5a, and the coil spring 5 simultaneously has a restoring force against the compressive force and the rotating force, it is possible to reduce the contact force to 2 as in the conventional case.
Two springs are not required, and a complicated part such as a contact member integrally formed with a plurality of contacts is not required, and the structure can be simplified.

【００４６】図４は、本発明に係るスイッチの他の実施
形態を示す断面説明図であって、図４（ａ）は、スイッ
チ１の組み立て前の構成を示す説明図であって、図４
（ｂ）は、スイッチ１を組み立てた状態を示す説明図で
ある。FIG. 4 is a cross-sectional explanatory view showing another embodiment of the switch according to the present invention, and FIG. 4 (a) is an explanatory view showing the constitution of the switch 1 before assembly.
(B) is an explanatory view showing a state where the switch 1 is assembled.

【００４７】本実施形態におけるスイッチ１は、図１に
示した可動部材４を操作軸２と一体に形成したものであ
る。The switch 1 in this embodiment is one in which the movable member 4 shown in FIG. 1 is formed integrally with the operation shaft 2.

【００４８】図４（ｂ）からわかるように、本実施形態
によれば、図１に示したＥリング７が必要なくなるとと
もに、可動部材４を操作軸２と一体に形成できるので、
製造コストの低減が可能となり、スイッチ１の組み立て
に必要な工数を削減することが可能となる。As can be seen from FIG. 4 (b), according to this embodiment, the E-ring 7 shown in FIG. 1 is not necessary and the movable member 4 can be formed integrally with the operation shaft 2.
The manufacturing cost can be reduced, and the number of steps required for assembling the switch 1 can be reduced.

【００４９】また、図５は、本発明に係るスイッチのさ
らに他の実施形態を示す断面説明図であって、図４の場
合と同じく、図５（ａ）は、スイッチ１の組み立て前の
構成を示す説明図であって、図５（ｂ）は、スイッチ１
を組み立てた状態を示す説明図である。FIG. 5 is a cross-sectional explanatory view showing still another embodiment of the switch according to the present invention, and FIG. 5 (a) is a configuration before assembly of the switch 1, as in the case of FIG. FIG. 5B is an explanatory view showing the switch 1
It is explanatory drawing which shows the state which assembled.

【００５０】本実施形態におけるスイッチ１は、操作軸
２を可動部材４に挿入する際に、操作軸２に形成した溝
部２ｈと可動部材４の内周に形成したツメ部４ｈとが係
合して可動部材４と操作軸２との固定がなされるように
したものである。In the switch 1 of this embodiment, when the operating shaft 2 is inserted into the movable member 4, the groove portion 2h formed on the operating shaft 2 and the claw portion 4h formed on the inner periphery of the movable member 4 are engaged with each other. Thus, the movable member 4 and the operation shaft 2 are fixed to each other.

【００５１】図５（ｂ）からわかるように、本実施形態
によれば、図１に示したようなＥリング７のような操作
軸２の抜け止めに必要な部品が不要となり、また、スイ
ッチ１の組み立てが容易になる。As can be seen from FIG. 5 (b), according to the present embodiment, there is no need for a component such as the E-ring 7 shown in FIG. 1. Assembling of 1 becomes easy.

【００５２】[0052]

【発明の効果】本発明に係るスイッチによれば、接点移
動手段を備えたことによって、操作軸の回転操作によ
り、所定の固定接点と弾性体の接点部との接触を行なう
ことができるとともに、操作軸の直線運動操作により、
弾性体の接点部と所定の固定接点との接触を行なうこと
ができ、さらに、操作軸の非操作時には、弾性体の作用
によって接点部が固定接点と非接触状態となり、この結
果、複数の選択的な導通状態および非導通状態を実現す
ることができるとともに、信頼性の高いスイッチとする
ことができる。According to the switch of the present invention, by providing the contact moving means, the predetermined fixed contact and the contact portion of the elastic body can be brought into contact with each other by rotating the operating shaft. By the linear motion operation of the operation axis,
It is possible to make contact between the contact portion of the elastic body and a predetermined fixed contact. Furthermore, when the operating shaft is not operated, the contact portion is brought into a non-contact state with the fixed contact due to the action of the elastic body. It is possible to realize a conductive state and a non-conductive state as well as a highly reliable switch.

【００５３】また、弾性体の一部を接点部とするととも
に、弾性体が圧縮力および回転力に対する復元力を有す
るため、従来のように、２つのバネは必要なく、また、
複数接点が一体成形された接点部材のような複雑な部品
は必要なくなり、構造を簡素化することが可能になる。Further, since a part of the elastic body serves as a contact portion and the elastic body has a restoring force against the compressive force and the rotating force, two springs are not required unlike the conventional case, and
A complicated part such as a contact member integrally formed with a plurality of contacts is not required, and the structure can be simplified.

【００５４】さらに、固定接点と弾性体の接点部との接
触の際の接触圧は、操作軸に加えた直進力または回転力
によって決まるため、接触不良を減少させることが可能
になる。Further, since the contact pressure at the time of contact between the fixed contact and the contact portion of the elastic body is determined by the linear force or the rotational force applied to the operation shaft, contact failure can be reduced.

【００５５】また、本発明に係るスイッチによれば、規
制手段を備えたことによって、操作軸の直線運動操作に
より、弾性体の接点部と所定の固定接点との接触を確実
に行なうことができ、かつ、接点部が固定接点に接触し
た状態で回転しないため固定接点の損傷を防止すること
ができる。Further, according to the switch of the present invention, since the regulating means is provided, the contact portion of the elastic body and the predetermined fixed contact can be reliably brought into contact with each other by the linear movement operation of the operating shaft. In addition, since the contact portion does not rotate while being in contact with the fixed contact, damage to the fixed contact can be prevented.

【００５６】また、弾性体が操作軸の操作に応じて直線
運動または回転運動される可動部に取り付けられたこと
により、弾性体の接点部を可動のものとすることがで
き、接点移動手段が前記操作軸の回転運動に応じて前記
可動部に形成された従動部と係合して当該可動部を前記
所定の固定接点に向けて移動させるカム面を有するもの
とすることにより、接点部を回転力に対する復元力に抗
して所定の固定接点に向けて回転しつつ前進して接触す
るものとすることができる。Further, since the elastic body is attached to the movable portion that is linearly or rotationally moved according to the operation of the operation shaft, the contact portion of the elastic body can be made movable, and the contact moving means can be used. By having a cam surface that engages with a driven portion formed on the movable portion according to the rotational movement of the operation shaft to move the movable portion toward the predetermined fixed contact, the contact portion is formed. It is possible to make a forward contact while rotating toward a predetermined fixed contact against the restoring force against the rotational force.

【００５７】また、本発明に係るスイッチによれば、操
作軸と可動部とが一体に形成されている構成とすること
により、操作軸および可動部の一体成形が可能となり、
製造コストを低減することができる。Further, according to the switch of the present invention, since the operating shaft and the movable portion are integrally formed, the operating shaft and the movable portion can be integrally molded,
Manufacturing costs can be reduced.

【図面の簡単な説明】[Brief description of the drawings]

【図１】本発明に係るスイッチの一実施形態を示す断面
説明図である。FIG. 1 is a cross-sectional explanatory view showing an embodiment of a switch according to the present invention.

【図２】本発明に係るスイッチの一実施形態を示す説明
図である。FIG. 2 is an explanatory diagram showing an embodiment of a switch according to the present invention.

【図３】本発明に係るスイッチの固定接点の配置状態の
一例を示す説明図である。FIG. 3 is an explanatory diagram showing an example of an arrangement state of fixed contacts of the switch according to the present invention.

【図４】本発明に係るスイッチの他の実施形態を示す断
面説明図である。FIG. 4 is a sectional explanatory view showing another embodiment of the switch according to the present invention.

【図５】本発明に係るスイッチのさらに他の実施形態を
示す断面説明図である。FIG. 5 is a sectional explanatory view showing still another embodiment of the switch according to the present invention.

【図６】従来のスイッチの一例を示す説明図である。FIG. 6 is an explanatory diagram showing an example of a conventional switch.

【符号の説明】[Explanation of symbols]

１ スイッチ ２ 操作軸 ２ａ 段付部 ２ｈ 溝部 ３ ケーシング ３ａ カム面（接点移動手段） ３ｂ 案内溝（規制手段） ３ｃ 固定部 ３ｄ 逃げ部 ４ 可動部材（可動部） ４ａ 突起部（規制手段） ４ｂ 従動部（接点移動手段） ４ｈ ツメ部 ５ コイルバネ（弾性体） ５ａ 接点部 ６ 基板 ６ａ 操作軸挿入用孔 ６ｂ ケーシング固定用孔 ７ Ｅリング ８ａ〜８ｄ 固定接点 DESCRIPTION OF SYMBOLS 1 switch 2 operation shaft 2a stepped portion 2h groove portion 3 casing 3a cam surface (contact moving means) 3b guide groove (regulating means) 3c fixed portion 3d escape portion 4 movable member (movable portion) 4a protruding portion (regulating means) 4b driven Part (contact moving means) 4h Claw part 5 Coil spring (elastic body) 5a Contact part 6 Substrate 6a Operating shaft insertion hole 6b Casing fixing hole 7 E-ring 8a-8d Fixed contact

Claims (3)

【特許請求の範囲】[Claims] 【請求項１】 回転可能でかつ軸方向に移動可能な操作
軸と、 複数の固定接点と、 前記操作軸の回転または軸方向への移動に伴い前記複数
の固定接点と選択的に接触する接点部を有し、回転力お
よび軸方向への移動に伴う圧縮力に対して復元力を有
し、操作軸の非操作時には当該接点部を前記固定接点と
離間した所定位置に保持する弾性体と、 前記操作軸に前記弾性体の弾性力に抗した回転力が加わ
った場合に、当該回転力および前記圧縮力に対する復元
力に抗して前記接点部を所定の固定接点に向けて移動さ
せ接触させる接点移動手段とを有するスイッチ。1. An operating shaft which is rotatable and movable in the axial direction, a plurality of fixed contacts, and contacts which selectively come into contact with the plurality of fixed contacts as the operating shaft rotates or moves in the axial direction. An elastic body that has a portion, has a restoring force against a compressive force caused by a rotational force and an axial movement, and holds the contact portion at a predetermined position separated from the fixed contact when the operating shaft is not operated; When a rotational force against the elastic force of the elastic body is applied to the operation shaft, the contact portion is moved toward a predetermined fixed contact against the restoring force against the rotational force and the compression force to make contact. A switch having contact moving means for causing the contact to move. 【請求項２】 前記弾性体は、操作軸の操作に応じて直
線運動または回転運動される可動部に取り付けられ、 前記操作軸の直線運動に伴って接点部の運動を直線運動
のみに規制する規制手段を備え、 前記接点移動手段は、前記操作軸の回転運動に応じて前
記可動部に形成された従動部と係合して前記接点部を前
記所定の固定接点に向けて移動させるカム面を有する請
求項１に記載のスイッチ。2. The elastic body is attached to a movable portion that is linearly or rotationally moved according to an operation of an operation shaft, and restricts the movement of the contact portion to only the linear motion along with the linear motion of the operation shaft. A cam surface for engaging the driven portion formed on the movable portion in response to the rotational movement of the operation shaft to move the contact portion toward the predetermined fixed contact. The switch according to claim 1, further comprising: 【請求項３】 前記操作軸と前記可動部とが一体に形成
されている請求項２に記載のスイッチ。3. The switch according to claim 2, wherein the operation shaft and the movable portion are integrally formed.