JP2002151172A - Terminal device - Google Patents
Terminal deviceInfo
- Publication number
- JP2002151172A JP2002151172A JP2000348768A JP2000348768A JP2002151172A JP 2002151172 A JP2002151172 A JP 2002151172A JP 2000348768 A JP2000348768 A JP 2000348768A JP 2000348768 A JP2000348768 A JP 2000348768A JP 2002151172 A JP2002151172 A JP 2002151172A
- Authority
- JP
- Japan
- Prior art keywords
- piece
- core wire
- terminal
- terminal plate
- contact
- 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.)
- Granted
Links
Landscapes
- Tumbler Switches (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、端子装置に関する
ものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal device.
【０００２】[0002]
【従来の技術】従来より、スイッチやコンセント等の配
線器具への電線の結線を容易にしたり、接続の均一化を
行って接続信頼性を確保する等の目的で、ねじによらず
に結線可能な所謂速結構造の端子装置が提供されてい
る。2. Description of the Related Art Conventionally, it is possible to connect wires without using screws for the purpose of facilitating connection of wires to wiring devices such as switches and outlets, and ensuring uniform connection to ensure connection reliability. Such a quick-connecting terminal device is provided.
【０００３】図１４は従来の端子装置を用いた配線器具
の側面断面図を示している。前面が開口した略箱状の合
成樹脂製のボディ１と、ボディ１の前面に被着される合
成樹脂製のカバー２とで配線器具の器体が構成されてい
る。ボディ１の内部は隔壁によって複数の区画に区切ら
れており、端子装置６’を収納する端子収納室９が両側
に設けられている。端子収納室９にはそれぞれ導電材料
から形成された端子板１１が収納されている。端子板１
１は略コ字状に形成されたコ字状部１３を有しており、
コ字状部１３にはそれぞれ一対の錠ばね１５’が収納さ
れて端子装置６’が構成してある。また、ボディ１の底
面には各端子収納室９に連通する電線挿入孔１６が設け
られている。FIG. 14 is a side sectional view of a wiring device using a conventional terminal device. A substantially box-shaped synthetic resin body 1 having an open front surface, and a synthetic resin cover 2 attached to the front surface of the body 1 constitute a wiring device body. The inside of the body 1 is divided into a plurality of sections by partition walls, and terminal storage chambers 9 for storing the terminal devices 6 'are provided on both sides. Each of the terminal storage chambers 9 stores a terminal plate 11 formed of a conductive material. Terminal board 1
1 has a U-shaped portion 13 formed in a substantially U-shape,
A pair of lock springs 15 'are housed in the U-shaped portions 13, respectively, to constitute a terminal device 6'. An electric wire insertion hole 16 communicating with each terminal storage chamber 9 is provided on the bottom surface of the body 1.
【０００４】錠ばね１５’の鎖錠片１５ｂ’および押圧
片１５ｃ’は、弾性を有する導電材料の帯板の両端部を
曲成して中央片１５ａ’の両端部に形成される。また、
端子板１１のコ字状部１３は、それぞれ、中央片１３ａ
と、中央片１３ａの両端縁から中央片１３ａと略直交す
る方向にそれぞれ突出する当接片１３ｂおよび接触片１
３ｃから構成される。錠ばね１５’の中央片１５ａ’
は、端子板１１の当接片１３ｂに当接し、鎖錠片１５
ｂ’は中央片１５ａ’との連結部位から先端縁に向かっ
てコ字状部１３の接触片１３ｃに近付く向きに傾斜し、
押圧片１５ｃ’は略Ｓ字状に曲成されており、錠ばね１
５’に設けた鎖錠片１５ｂ’および押圧片１５ｃ’がコ
字状部１３の接触片１３ｃと対向する。The locking piece 15b 'and the pressing piece 15c' of the lock spring 15 'are formed at both ends of a central piece 15a' by bending both ends of a strip of a conductive material having elasticity. Also,
Each of the U-shaped portions 13 of the terminal plate 11 has a central piece 13a.
And a contact piece 13b and a contact piece 1 protruding from both end edges of the central piece 13a in directions substantially orthogonal to the central piece 13a.
3c. Central piece 15a 'of lock spring 15'
Abuts against the contact piece 13b of the terminal plate 11, and
b ′ is inclined in a direction approaching the contact piece 13c of the U-shaped portion 13 from the connection portion with the central piece 15a ′ toward the tip edge,
The pressing piece 15c 'is bent in a substantially S-shape,
The lock piece 15b 'and the pressing piece 15c' provided on the 5 'face the contact piece 13c of the U-shaped portion 13.
【０００５】端子装置６’に電線を接続する場合には、
図１４に示すように電線１００の被覆が剥かれた芯線１
０１を電線挿入孔１６から挿入すると、錠ばね１５’の
ばね力により錠ばね１５’の鎖錠片１５ｂ’及び押圧片
１５ｃ’と、端子板１１の接触片１３ｃとの間に芯線１
０１が挟持され、鎖錠片１５ｂ’の先端縁が芯線１０１
に食い込むことによって、芯線１０１が反挿入方向に抜
け止めされるようになっている。したがって、電線挿入
孔１６に電線１００の芯線１０１を挿入するだけで、電
線１００の芯線１０１が保持されるとともに、端子板１
１への電気的接続がなされるのである。また各端子収納
室９内には、一対の錠ばね１５’の鎖錠片１５ｂ’と対
向させて解除釦１７’が収納されている。端子装置６’
に接続された電線１００の芯線１０１を外す場合は、ボ
ディ１の底面に穿設された工具挿入孔からマイナスドラ
イバなどの工具を挿入して、解除釦１７’を押圧するこ
とにより、解除釦１７’の突起１７ａ’が鎖錠片１５
ｂ’を押圧して、鎖錠片１５ｂ’を端子板１１の接触片
１３ｃから離れる向きに撓ませるので、鎖錠片１５ｂ’
が芯線１０１から離れ、芯線１０１を容易に引き抜くこ
とができる。When connecting an electric wire to the terminal device 6 ',
As shown in FIG. 14, the core wire 1 with the coating of the electric wire 100 removed
01 is inserted from the wire insertion hole 16, the core wire 1 is inserted between the lock piece 15 b ′ and the pressing piece 15 c ′ of the lock spring 15 ′ and the contact piece 13 c of the terminal plate 11 by the spring force of the lock spring 15 ′.
01 is pinched, and the leading edge of the lock piece 15b '
The core wire 101 is prevented from coming off in the direction opposite to the insertion direction. Therefore, by merely inserting the core wire 101 of the electric wire 100 into the electric wire insertion hole 16, the core wire 101 of the electric wire 100 is held and the terminal plate 1
An electrical connection to 1 is made. In each terminal storage chamber 9, a release button 17 'is stored so as to face the lock piece 15b' of the pair of lock springs 15 '. Terminal device 6 '
In order to remove the core wire 101 of the electric wire 100 connected to the main body 1, a tool such as a flathead screwdriver is inserted through a tool insertion hole formed in the bottom surface of the body 1, and the release button 17 'is pressed. 'Protrusion 17a' is lock piece 15
b 'is pressed to deflect the locking piece 15b' away from the contact piece 13c of the terminal plate 11, so that the locking piece 15b '
Is separated from the core wire 101, and the core wire 101 can be easily pulled out.
【０００６】[0006]
【発明が解決しようとする課題】ところが、上記従来の
端子装置６’においては、錠ばね１５’の押圧片１５
ｃ’が中央片１５ａ’との連結部位よりも先端部側へ行
くほど中央片１５ａ’との間隔が広くなるように曲成さ
れていた。すなわち、図２（ａ）に示すように押圧片１
５ｃ’の中央片１５ａ’に対向する方向への曲げ部Ｘ、
および中央片１５ａ’から離れる方向への曲げ部Ｙと中
央片１５ａ’との各間隔Ａ，ＢがＡ＜Ｂの関係となって
いたため、押圧片１５ｃ’を撓ませるのに大きな力が必
要となり、錠ばね１５’を形成する導電材料の強度の関
係から適用電線の範囲（接続可能な芯線１０１の直径の
範囲）が狭くなっていた。また、押圧片１５ｃ’を撓ま
せるのに必要な力が大きいために撚り線からなる芯線を
挿入しても押圧片１５ｃ’が撓まずに芯線がばらけてし
まい、撚り線を結線することができなかった。However, in the above-mentioned conventional terminal device 6 ', the pressing piece 15 of the lock spring 15' is used.
The distance between the central piece 15a 'and the central piece 15a' is increased as the distance between the central piece 15a 'and the central piece 15a' increases. That is, as shown in FIG.
A bent portion X in a direction facing the central piece 15a 'of 5c',
Since the distances A and B between the bent portion Y in the direction away from the central piece 15a 'and the central piece 15a' have a relationship of A <B, a large force is required to bend the pressing piece 15c '. The range of the applicable electric wire (the range of the diameter of the connectable core wire 101) has been narrowed due to the strength of the conductive material forming the lock spring 15 '. Also, since the force required to bend the pressing piece 15c 'is large, even if a core wire made of a stranded wire is inserted, the pressing wire 15c' does not bend and the core wire is separated and the stranded wire may be connected. could not.
【０００７】本発明は上記事情に鑑みて為されたもので
あり、その目的とするところは、適用電線の範囲を拡大
できるとともに撚り線の結線も可能な端子装置を提供す
ることにある。The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a terminal device capable of expanding a range of applicable electric wires and connecting a stranded wire.
【０００８】[0008]
【課題を解決するための手段】請求項１の発明は、上記
目的を達成するために、端子板と、端子板の側方より挿
入される電線の芯線を端子板に接触させるとともに芯線
を反挿入方向に抜け止めする錠ばねとを備え、この錠ば
ねは、弾性を有する導電性の板材を曲成することによ
り、端子板に対向配置される中央片、中央片との連結部
位から先端縁に向かって端子板に近づく向きに傾斜し先
端縁が芯線に食い込んで抜け止めする鎖錠片、中央片と
の連結部位から端子板に向けて延出され且つ先端部が芯
線を端子板の方へ押圧することにより端子板との間に芯
線を弾性狭持する押圧片が形成されてなり、この押圧片
が、中央片との連結部位よりも先端部側で中央片との間
隔が最も狭くなるように曲成されたことを特徴とし、従
来に比較して錠ばね全体の寸法増大を抑えながら押圧片
の中央片との連結部位から先端部までの寸法を長くする
ことができる。このため、押圧片を撓ませるのに必要な
力が低下するから適用電線の範囲を拡大できるとともに
撚り線の結線も可能となる。According to a first aspect of the present invention, in order to achieve the above object, a terminal plate and a core wire of an electric wire inserted from a side of the terminal plate are brought into contact with the terminal plate and the core wire is inverted. A lock spring for preventing the insertion in the insertion direction, wherein the lock spring is formed by bending an elastic conductive plate so that the center piece is disposed opposite to the terminal plate, and a leading edge is formed from a connection portion with the center piece. A lock piece that is inclined toward the terminal plate toward the terminal plate and whose leading edge bites into the core wire to prevent it from falling off, extends from the connection portion with the central piece toward the terminal plate, and the tip end is connected to the terminal plate toward the terminal plate. A pressing piece that elastically holds the core wire between the pressing piece and the terminal plate is formed, and the pressing piece has the narrowest space between the pressing piece and the center piece on the distal end side than the connection portion with the center piece. It is characterized by being bent to become a lock spring compared to the conventional It is possible to lengthen the size of to the tip while suppressing the size increase of the body from the connecting portion of the central piece of the pressing piece. For this reason, the force required to deflect the pressing piece is reduced, so that the range of applicable electric wires can be expanded and stranded wires can be connected.
【０００９】請求項２の発明は、請求項１の発明におい
て、芯線に接触する押圧片の先端部を鎖錠片の先端縁近
傍に配置したことを特徴とし、鎖錠片と端子板との間に
芯線を挿入すると端子板から離れる向きに撓んだ鎖錠片
の先端部分が押圧片の先端部に当接して押圧片を撓ませ
ることになる。その結果、結線時における芯線の挿入感
触が良好となり、芯線の挿入不良を防ぐことができる。According to a second aspect of the present invention, in the first aspect of the present invention, the distal end of the pressing piece that contacts the core wire is disposed near the distal end edge of the locking piece. When a core wire is inserted therebetween, the distal end portion of the locking piece bent in a direction away from the terminal plate comes into contact with the distal end portion of the pressing piece to bend the pressing piece. As a result, the feeling of insertion of the core wire at the time of connection is improved, and poor insertion of the core wire can be prevented.
【００１０】請求項３の発明は、請求項１又は２の発明
において、操作時に鎖錠片を芯線から離す向きに撓ませ
る解除釦を備え、押圧片の鎖錠片と対向する部位を鎖錠
片から離れる向きに湾曲させてなることを特徴とし、解
除釦で鎖錠片を撓ませたときに鎖錠片が押圧片と干渉す
るのを防ぐことができ、解除釦による解除操作がし易く
なる。A third aspect of the present invention is the invention according to the first or second aspect, further comprising a release button for deflecting the locking piece away from the core wire during operation, and locking the portion of the pressing piece facing the locking piece with the locking piece. It is characterized by being bent away from the piece, preventing the lock piece from interfering with the pressing piece when bending the lock piece with the release button, making it easy to perform the release operation with the release button. Become.
【００１１】請求項４の発明は、請求項１又は２又は３
の発明において、芯線を挿入しない状態で鎖錠片の先端
縁と端子板との間に隙間が空くように錠ばねが形成され
たことを特徴とし、鎖錠片の先端縁と端子板との間に隙
間を空けたことで撚り線が挿入し易くなる。[0011] The invention of claim 4 is the invention of claim 1 or 2 or 3.
In the invention of the above, the lock spring is formed so that there is a gap between the leading edge of the locking piece and the terminal plate in a state where the core wire is not inserted. With a gap between them, the stranded wire can be easily inserted.
【００１２】請求項５の発明は、請求項１〜４の何れか
の発明において、芯線に接触する押圧片の先端部は、芯
線に接触する向きに突出する複数のアールが付けられて
なることを特徴とし、芯線の径に応じて芯線と押圧片と
の接触位置が変わるから、錠ばねの回転を防止して芯線
の保持を安定させることができる。According to a fifth aspect of the present invention, in any one of the first to fourth aspects of the present invention, the tip of the pressing piece that comes into contact with the core wire is provided with a plurality of rounds that project in the direction that comes into contact with the core wire. Since the contact position between the core wire and the pressing piece changes according to the diameter of the core wire, the lock spring can be prevented from rotating and the holding of the core wire can be stabilized.
【００１３】[0013]
【発明の実施の形態】以下、本発明をスイッチに適用し
た実施形態について、図面を参照して詳細に説明する。
但し、本発明が適用される配線器具はスイッチに限定さ
れるものではなく、例えばコンセント等の配線器具全般
に適用可能である。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments in which the present invention is applied to a switch will be described below in detail with reference to the drawings.
However, the wiring device to which the present invention is applied is not limited to a switch, but can be applied to all wiring devices such as outlets.
【００１４】（実施形態１）本実施形態におけるスイッ
チは所謂タンブラスイッチであって、図８〜図１０に示
すように前面が開口した略箱状の合成樹脂製のボディ１
と、前面が略矩形状に形成されるとともに、ボディ１の
前面に被着される合成樹脂製のカバー２とで構成される
器体１０を備えている。ボディ１の長手方向の両側面に
はそれぞれ一対の係止凸部３が突設されるとともに、カ
バー２の後端縁からは係止凸部３と係止離脱自在に係止
する係止孔４がそれぞれ穿設された舌片５が突設されて
おり、係止凸部３と係止孔４とを凹凸係止させることに
よってボディ１とカバー２とが組み立てられる。(Embodiment 1) The switch in the present embodiment is a so-called tumbler switch, and as shown in FIGS. 8 to 10, a substantially box-shaped synthetic resin body 1 having an open front surface.
And a body 10 having a front surface formed in a substantially rectangular shape, and a cover 2 made of a synthetic resin attached to the front surface of the body 1. A pair of locking projections 3 are provided on both sides in the longitudinal direction of the body 1, and a locking hole for locking and releasing the locking projection 3 from the rear edge of the cover 2. The body 1 and the cover 2 are assembled by engaging the engaging projections 3 and the engaging holes 4 with projections and depressions, respectively.
【００１５】ボディ１の内部は隔壁によって複数の区画
に仕切られており、本発明の端子装置６を収納する端子
収納室９，９が両側に設けられ、後述する片切タイプ
（Ｂ接点タイプ）の接点部８を収納する接点収納室７が
略中央に設けられている。The inside of the body 1 is partitioned into a plurality of sections by partition walls, and terminal storage chambers 9, 9 for storing the terminal device 6 of the present invention are provided on both sides, and a single-cut type (B contact type) described later. The contact storage chamber 7 for storing the contact portion 8 is provided substantially at the center.
【００１６】端子収納室９，９にはそれぞれ導電材料か
ら形成された端子板１１，１２が収納されている。端子
板１１，１２はそれぞれ略コ字状に形成されたコ字状部
１３，１４を有しており、コ字状部１３，１４にはそれ
ぞれ一対の錠ばね１５が収納されて、端子装置６が構成
してある。また、ボディ１の底面には各端子収納室９に
連通する電線挿入孔１６が２個づつ穿設されている。In the terminal storage chambers 9 and 9, terminal plates 11 and 12 made of a conductive material are stored, respectively. The terminal plates 11 and 12 have U-shaped portions 13 and 14 formed in a substantially U-shape, respectively. A pair of lock springs 15 are housed in the U-shaped portions 13 and 14, respectively. 6 are constituted. Also, two electric wire insertion holes 16 communicating with the respective terminal storage chambers 9 are formed in the bottom surface of the body 1.
【００１７】接点部８は端子板１１，１２と可動接点板
１９とで構成される。一方の端子板１１の中央片１３ａ
と当接片１３ｂとの連結部位には、端部に固定接点２１
が設けられた略Ｌ字状の端子片２０が突設されており、
他方の端子板１２の当接片１４ｂの端部からは、先端に
可動接点板１９の揺動支点となる支点凹部２２が形成さ
れた支持片２３が突設されている。可動接点板１９は導
電材料よりなる帯板で形成され、端子板１１と対向する
側の面には固定接点２１と接離自在に接触する可動接点
２４が設けられている。ボディ１の両側面の略中央には
内方に突出するリブ３３，３３が突設されており、ボデ
ィ１の接点収納室７内に端子板１１，１２を収納した状
態で可動接点板１９を接点収納室７内に納めると、可動
接点板１９の下端縁が端子板１２の支点凹部２２に挿入
され、可動接点板１９が支点凹部２２を中心として揺動
自在に配置される。この時、可動接点板１９の両側にリ
ブ３３，３３が配置され、ボディ１の短幅方向への可動
接点板１９の移動がリブ３３，３３によって規制され
る。また、可動接点板１９には側方に突出する突起３７
が突設されており、この突起３７がリブ３３と係止する
ことにより、可動接点板１９の揺動範囲が規制される。The contact portion 8 is composed of terminal plates 11 and 12 and a movable contact plate 19. Central piece 13a of one terminal plate 11
A fixed contact 21 is provided at the end of the connecting portion between the
Are provided, and a substantially L-shaped terminal piece 20 provided with is provided.
From the end of the contact piece 14 b of the other terminal plate 12, a support piece 23 having a fulcrum recess 22 formed at the tip as a swing fulcrum of the movable contact plate 19 is protruded. The movable contact plate 19 is formed of a strip made of a conductive material, and a movable contact 24 that comes into contact with and separates from the fixed contact 21 is provided on a surface facing the terminal plate 11. Inwardly protruding ribs 33, 33 are provided at substantially the centers of both side surfaces of the body 1 to move the movable contact plate 19 in a state where the terminal plates 11, 12 are stored in the contact storage chamber 7 of the body 1. When the movable contact plate 19 is accommodated in the contact accommodating chamber 7, the lower end edge of the movable contact plate 19 is inserted into the fulcrum recess 22 of the terminal plate 12, and the movable contact plate 19 is arranged to be swingable about the fulcrum recess 22. At this time, the ribs 33, 33 are arranged on both sides of the movable contact plate 19, and the movement of the movable contact plate 19 in the short width direction of the body 1 is regulated by the ribs 33, 33. The movable contact plate 19 has a protrusion 37 protruding laterally.
The projection 37 is engaged with the rib 33 to restrict the swing range of the movable contact plate 19.
【００１８】一方、カバー２は前面に略矩形状の開口２
５が形成され、開口２５の長手方向略中央の開口縁には
前方に突出する軸受け台２６が突設されており、各軸受
け台２６の互いに対向する面には溝２７が形成されてい
る。また、カバー２の短幅方向の両側面には、カバー２
の前面よりも一段高くなった段部２８，２８が形成さ
れ、各段部２８にはそれぞれ側方に突出する一対の係止
爪２９が突設されている。なお、この係止爪２９を図示
しない取付枠又はプレート枠の係止部に係止することで
器体１０が取付枠又はプレート枠に取り付けられ、壁面
などの施工面にスイッチが配設されるものである。On the other hand, the cover 2 has a substantially rectangular opening 2
5 are formed, and bearing bases 26 protruding forward are protruded from an opening edge substantially at the center of the opening 25 in the longitudinal direction, and grooves 27 are formed on the surfaces of the bearing bases 26 facing each other. The cover 2 is provided on both sides in the short width direction of the cover 2.
Steps 28, 28 which are one step higher than the front surface of the pair are formed, and each step 28 is provided with a pair of locking claws 29 projecting sideways. The body 10 is attached to the mounting frame or the plate frame by locking the locking claw 29 to a locking portion of the mounting frame or the plate frame (not shown), and the switch is disposed on a construction surface such as a wall surface. Things.
【００１９】接点部８の開閉操作を行うための合成樹脂
製の反転ハンドル３０は背面が開口した略箱状であっ
て、前面が略矩形状に形成されており、長手方向の両側
面にはカバー２の溝２７に入り込む突起３１がそれぞれ
突設されている。また、反転ハンドル３０前面の長手方
向における一端側には開口３４が穿設され、開口３４の
両側には側方に突出する爪３５，３５が突設され、反転
ハンドル３０前面の長手方向における他端側略中央には
側方に突出する爪３６が突設されている。また、カバー
２前面の裏側にはコイルばね３２が納められる棒状突起
（図示せず）が設けられている。The reversing handle 30 made of synthetic resin for opening and closing the contact portion 8 has a substantially box shape with an open back surface, and a substantially rectangular front surface. Protrusions 31 that enter the grooves 27 of the cover 2 are provided in a protruding manner. An opening 34 is formed in one end of the front surface of the reversing handle 30 in the longitudinal direction, and claws 35, 35 protruding laterally are formed on both sides of the opening 34. At the approximate center of the end, a claw 36 protruding laterally is provided. A bar-shaped projection (not shown) for receiving the coil spring 32 is provided on the back side of the front surface of the cover 2.
【００２０】反転ハンドル３０の前面側には合成樹脂製
の操作ハンドル３８が着脱自在に取り付けられる。操作
ハンドル３８は、反転ハンドル３０の前面を覆う矩形状
の主部と主部の周縁から全周にわたって背方に突出する
側壁とを連続一体に形成した略箱型のもので、主部裏面
の長手方向略中央には弾性を有する係止爪片３９，４０
が突設されている。係止爪片３９，４０の先端には内方
に突出する爪３９ａ，４０ａが突設され、係止爪片３
９，４０の爪３９ａ，４０ａと反転ハンドル３０の爪３
５，３６とを係止させることにより、操作ハンドル３８
の短幅方向における中心と器体１０の短幅方向における
中心とを略一致するようにして、操作ハンドル３８が反
転ハンドル３０に取り付けられる。An operation handle 38 made of synthetic resin is detachably attached to the front side of the reversing handle 30. The operation handle 38 has a substantially box shape in which a rectangular main portion that covers the front surface of the reversing handle 30 and a side wall that protrudes rearward from the periphery of the main portion over the entire circumference are formed continuously and integrally. At approximately the center in the longitudinal direction, locking claw pieces 39 and 40 having elasticity are provided.
Is protruding. Protruding inwardly protruding claws 39a, 40a are provided at the tips of the locking claw pieces 39, 40, respectively.
9, 40 claws 39a, 40a and reversing handle 30 claws 3
5 and 36, the operation handle 38
The operation handle 38 is attached to the reversing handle 30 such that the center of the body 10 in the short width direction substantially coincides with the center of the body 10 in the short width direction.
【００２１】ところで、本実施形態のスイッチでは、片
切タイプの接点部８のオフ時に点灯してスイッチの設置
位置を表示するためのネオンランプ５３を有する点灯表
示部５２を反転ハンドル３０内に組み込み、反転ハンド
ル３０の前面に穿設された開口３４にネオンランプ５３
を臨ませている。また、操作ハンドル３８の開口３４に
対応する部位には、操作ハンドル３８を貫通する長孔状
の孔５４が穿設されている。導光部材からなるプリズム
５５は孔５４に挿通され先端が操作ハンドル３８前面か
ら突出する先端に丸みを持たせた細長の凸部５６を有し
ており、操作ハンドル３８の裏面側から孔５４内に凸部
５６を挿入した状態で操作ハンドル３８にかしめ固定さ
れる。而して、操作ハンドル３８を反転ハンドル３０に
取り付けると、プリズム５５の入射面５７がネオンラン
プ５３に対向して配置される。また、プリズム５５の凸
部５６の先端が操作ハンドル３８の前面から突出してい
るので、凸部５６により接点部８をオン操作する際に押
し操作する操作ハンドル３８の位置を容易に判別するこ
とができる。By the way, in the switch of the present embodiment, a lighting display section 52 having a neon lamp 53 for lighting up when the one-side contact type contact section 8 is turned off to indicate the installation position of the switch is incorporated in the reversing handle 30. A neon lamp 53 is inserted into an opening 34 formed in the front of the reversing handle 30.
Is facing. An elongated hole 54 that penetrates the operation handle 38 is formed in a portion corresponding to the opening 34 of the operation handle 38. The prism 55 made of a light guide member has an elongated convex portion 56 having a rounded end which is inserted into the hole 54 and whose tip projects from the front surface of the operation handle 38. Is fixed to the operation handle 38 with the projection 56 inserted therein. Thus, when the operation handle 38 is attached to the reversing handle 30, the incident surface 57 of the prism 55 is arranged to face the neon lamp 53. Further, since the tip of the convex portion 56 of the prism 55 protrudes from the front surface of the operation handle 38, the position of the operation handle 38 pressed when the contact portion 8 is turned on by the convex portion 56 can be easily determined. it can.
【００２２】一方、点灯表示部５２は、合成樹脂製の回
路基板５２ａにインサート成形されている端子板（図示
せず）にネオンランプ５３及び抵抗Ｒの一端を電気的に
接続して成り、回路基板５２ａの略中央には圧入孔５２
ｂが形成されている。そして、反転ハンドル３０内に設
けられてコイルばね３２の一端部が挿入固定される棒状
突起を上記圧入孔５２ｂに圧入することで回路基板５２
ａが棒状突起に固定され反転ハンドル３０内に納装され
る。このとき、ネオンランプ５３及び抵抗Ｒは反転ハン
ドル３０内の棒状突起周囲のスペースに収納される。On the other hand, the lighting display section 52 is formed by electrically connecting a neon lamp 53 and one end of a resistor R to a terminal plate (not shown) insert-molded on a circuit board 52a made of synthetic resin. A press-fit hole 52 is provided substantially at the center of the substrate 52a.
b is formed. Then, a bar-like projection provided in the reversing handle 30 and into which one end of the coil spring 32 is inserted and fixed is press-fitted into the press-fitting hole 52b, thereby making the circuit board 52
a is fixed to the bar-shaped projection and is housed in the reversing handle 30. At this time, the neon lamp 53 and the resistor R are housed in the space around the bar-shaped projection in the reversing handle 30.
【００２３】回路基板５２ａの長手方向一端側（端子板
１１に対向する側）からは、回路基板５２ａにインサー
ト成形される端子板と一体に形成され、端子板１１の上
面部と接離自在に接触導通する端子片５２ｃが突出させ
てある。この端子片５２ｃの下面には接点（図示せず）
が形成してある。また、抵抗Ｒの一方の端子Ｒａが棒状
突起の側面に設けた縦溝を通して棒状突起内に挿入さ
れ、棒状突起の内部において抵抗Ｒの端子Ｒａとコイル
ばね３２とを接触導通させている。From one longitudinal end of the circuit board 52a (the side facing the terminal board 11), it is formed integrally with a terminal board insert-molded on the circuit board 52a, and can be freely connected to and separated from the upper surface of the terminal board 11. A terminal piece 52c for contact and conduction is projected. A contact (not shown) is provided on the lower surface of the terminal strip 52c.
Is formed. One terminal Ra of the resistor R is inserted into the rod-shaped protrusion through a vertical groove provided on the side surface of the rod-shaped protrusion, and the terminal Ra of the resistor R and the coil spring 32 are brought into contact with each other inside the rod-shaped protrusion.
【００２４】而して、可動接点板１９の可動接点２４が
端子板１１の固定接点２１と開離（すなわち、接点部８
がオフ）するように操作ハンドル３８を操作した場合に
は、回路基板５２ａの端部から突出する端子片５２ｃの
下面に形成された接点が端子板１１の上面部に接触導通
し、可動接点板１９と接触導通しているコイルばね３２
を介してネオンランプ５３並びに抵抗Ｒに電源が供給さ
れてネオンランプ５３が点灯し、ネオンランプ５３の発
光がプリズム５５の入射面５７に入射し、プリズム５５
内で屈折されて凸部５６から外部に出射され、接点部８
のオフ時にスイッチの位置を表示することができる。The movable contact 24 of the movable contact plate 19 is separated from the fixed contact 21 of the terminal plate 11 (that is, the contact portion 8
Is turned off), the contact formed on the lower surface of the terminal piece 52c protruding from the end of the circuit board 52a is brought into contact with the upper surface of the terminal plate 11, and the movable contact plate is turned on. Coil spring 32 in contact with and conduction with 19
The power is supplied to the neon lamp 53 and the resistor R through the lamp, the neon lamp 53 is turned on, the light emitted from the neon lamp 53 is incident on the incident surface 57 of the prism 55, and
The light is refracted inside and is emitted to the outside from the convex portion 56, and the contact portion 8
When the switch is off, the position of the switch can be displayed.
【００２５】一方、可動接点板１９の可動接点２４が端
子板１１の固定接点２１と接触（すなわち、接点部８が
オン）するように操作ハンドル３８を操作した場合に
は、図９に示すように回路基板５２ａの端子片５２ｃが
端子板１１の上面部から開離するので、ネオンランプ５
３が消灯する。On the other hand, when the operating handle 38 is operated so that the movable contact 24 of the movable contact plate 19 contacts the fixed contact 21 of the terminal plate 11 (that is, the contact portion 8 is turned on), as shown in FIG. Since the terminal strip 52c of the circuit board 52a is separated from the upper surface of the terminal plate 11, the neon lamp 5
3 goes out.
【００２６】次に、端子板１１，１２のコ字状部１３，
１４、錠ばね１５及び解除釦１７から構成される端子装
置６について説明する。錠ばね１５の鎖錠片１５ｂおよ
び押圧片１５ｃは、図２（ｂ）に示すように弾性を有す
る導電材料の帯板の両端部を曲成して中央片１５ａの両
端部に形成される。また、図１に示すように端子板１
１，１２のコ字状部１３，１４は、それぞれ、中央片１
３ａ，１４ａと、中央片１３ａ，１４ａの両端縁から中
央片１３ａ，１４ａと略直交する方向にそれぞれ突出す
る当接片１３ｂ，１４ｂおよび接触片１３ｃ，１４ｃか
ら構成される。錠ばね１５の中央片１５ａは、端子板１
１，１２の当接片１３ｂ，１４ｂに当接し、鎖錠片１５
ｂは中央片１５ａとの連結部位から先端縁に向かってコ
字状部１３，１４の接触片１３ｃ，１４ｃに近付く向き
に傾斜している。また、押圧片１５ｃは略Ｓ字状に曲成
されており、錠ばね１５に設けた鎖錠片１５ｂおよび押
圧片１５ｃがコ字状部１３，１４の接触片１３ｃ，１４
ｃと対向する。Next, the U-shaped portions 13 of the terminal plates 11, 12
The terminal device 6 including the lock spring 14, the lock spring 15, and the release button 17 will be described. As shown in FIG. 2B, the locking piece 15b and the pressing piece 15c of the lock spring 15 are formed at both ends of the central piece 15a by bending both ends of the elastic conductive material strip. Also, as shown in FIG.
The U-shaped portions 13 and 14 of the central pieces 1 and 12 respectively correspond to the central piece 1
3a, 14a, and abutment pieces 13b, 14b and contact pieces 13c, 14c protruding from both end edges of the center pieces 13a, 14a in directions substantially orthogonal to the center pieces 13a, 14a, respectively. The central piece 15a of the lock spring 15 is
Abut on the contact pieces 13b and 14b of the
b is inclined so as to approach the contact pieces 13c and 14c of the U-shaped portions 13 and 14 from the connection portion with the central piece 15a toward the distal end edge. The pressing piece 15c is bent in a substantially S-shape, and the locking piece 15b and the pressing piece 15c provided on the lock spring 15 are used as the contact pieces 13c, 14 of the U-shaped portions 13, 14.
It faces c.
【００２７】ここで、本実施形態においては、錠ばね１
５の押圧片１５ｃが、中央片１５ａとの連結部位よりも
先端部側で中央片１５ａとの間隔が最も狭くなるように
曲成されている。すなわち、図２（ｂ）に示すように押
圧片１５ｃの中央片１５ａに対向する方向への曲げ部
Ｘ、および中央片１５ａから離れる方向への曲げ部Ｙと
中央片１５ａとの各間隔Ａ，ＢをＡ＞Ｂの関係としてい
るため、従来に比較して錠ばね１５全体の寸法増大を抑
えながら、押圧片１５ｃの中央片１５ａとの連結部位か
ら先端部までの寸法を長くすることができ、押圧片１５
ｃを撓ませるのに必要な力を低下させ、且つ押圧片１５
ｃへの応力集中を分散させることができる。その結果、
図２（ａ）に示す従来例に比較して適用電線の範囲を拡
大できるとともに撚り線の結線も可能になる。なお、押
圧片１５ｃの寸法が長くなったことに伴って鎖錠片１５
ｂの寸法も長くなっており、従来例に比較して鎖錠片１
５ｂも撓み易くなっている。Here, in the present embodiment, the lock spring 1
The fifth pressing piece 15c is bent so that the interval between the pressing piece 15c and the center piece 15a is the narrowest on the distal end side of the connection portion with the center piece 15a. That is, as shown in FIG. 2B, the bent portion X of the pressing piece 15c in the direction facing the center piece 15a, and the distance A between the bent portion Y in the direction away from the center piece 15a and the center piece 15a, Since B is in the relationship of A> B, the dimension from the connecting portion of the pressing piece 15c to the central piece 15a to the tip can be increased while suppressing the increase in the size of the entire lock spring 15 as compared with the related art. , Pressing piece 15
c to reduce the force required to deflect
The stress concentration on c can be dispersed. as a result,
Compared with the conventional example shown in FIG. 2 (a), the range of applicable electric wires can be expanded, and connection of stranded wires becomes possible. In addition, with the increase in the size of the pressing piece 15c, the lock piece 15
The size of b is longer, and the lock piece 1 is
5b is also easily bent.
【００２８】而して、端子装置６に電線１００を接続す
る場合には、図１に示すように電線１００の被覆が剥か
れた芯線１０１を電線挿入孔１６から挿入すると、錠ば
ね１５のばね力により錠ばね１５の鎖錠片１５ｂ及び押
圧片１５ｃと、端子板１１，１２の接触片１３ｃ，１４
ｃとの間に芯線１０１が挟持され、鎖錠片１５ｂの先端
縁が芯線１０１に食い込むことによって、芯線１０１が
反挿入方向に抜け止めされる。なお、電線挿入孔１６は
奥方ほど細くなるように形成されており、電線挿入孔１
６からボディ１内に挿入された電線１００の芯線１０１
が端子板１１，１２と錠ばね１５との間に確実に挿入さ
れるようになっている。When the electric wire 100 is connected to the terminal device 6, as shown in FIG. The locking pieces 15b and the pressing pieces 15c of the lock spring 15 and the contact pieces 13c and 14 of the terminal plates 11 and 12 are applied by force.
c, the core wire 101 is sandwiched between them, and the leading edge of the locking piece 15b bites into the core wire 101, so that the core wire 101 is prevented from coming off in the anti-insertion direction. The wire insertion hole 16 is formed so as to become thinner toward the back, and
6 to the core wire 101 of the electric wire 100 inserted into the body 1
Are securely inserted between the terminal plates 11 and 12 and the lock spring 15.
【００２９】また各端子収納室９内には、一対の錠ばね
１５の鎖錠片１５ｂと対向させて解除釦１７が収納され
ている。端子装置６に接続された電線１００の芯線１０
１を外す場合は、ボディ１の底面に穿設された工具挿入
孔１８からマイナスドライバなどの工具を挿入して、解
除釦１７を押圧することにより、解除釦１７の突起１７
ａが鎖錠片１５ｂを押圧して、鎖錠片１５ｂを端子板１
１，１２の接触片１３ｃ，１４ｃから離れる向きに撓ま
せるので、鎖錠片１５ｂが芯線１０１から離れ、電線１
００を容易に引き抜くことができる。なお、解除釦１７
は両側に突起１７ａを有しているので、解除釦１７を操
作することによって一対の錠ばね１５の鎖錠片１５ｂを
同時に撓ませて、一対の錠ばね１５と芯線１０１との係
止状態を同時に解除して、芯線１０１を一度に外すこと
ができる。A release button 17 is accommodated in each terminal accommodating chamber 9 so as to face the lock piece 15b of the pair of lock springs 15. Core wire 10 of electric wire 100 connected to terminal device 6
When the release button 17 is removed, a tool such as a flathead screwdriver is inserted through a tool insertion hole 18 formed in the bottom of the body 1 and the release button 17 is pressed.
a presses the lock piece 15b, and the lock piece 15b is
1 and 12 are bent away from the contact pieces 13c and 14c.
00 can be easily pulled out. The release button 17
Has projections 17a on both sides. By operating the release button 17, the lock pieces 15b of the pair of lock springs 15 are simultaneously bent, and the locked state between the pair of lock springs 15 and the core wire 101 is changed. At the same time, the core wire 101 can be released at a time by releasing.
【００３０】ところで、従来例においては、図３（ａ）
に示すように錠ばね１５’の鎖錠片１５ｂ’の先端縁と
押圧片１５ｃ’の先端部との間隔が大きいために、芯線
１０１の挿入時に最初に鎖錠片１５ｂ’の先端縁を乗り
越える際の抵抗があり、その後に押圧片１５ｃ’の先端
部に接触して押圧片１５ｃ’を撓ませる際の抵抗があっ
た。このため、図４（ａ）に示すように芯線１０１の挿
入力に２つのピークが生じ、電線１００の結線時におけ
る芯線１０１の挿入感触が良くないものであった。これ
に対して本実施形態では、芯線１０１に接触する押圧片
１５ｃの先端部を鎖錠片１５ｂの先端縁近傍に配置して
いるので、鎖錠片１５ｂと端子板１１，１２の接触片１
３ｃ，１４ｃとの間に芯線１０１を挿入すると、図３
（ｂ）に示すように接触片１３ｃ，１４ｃから離れる向
きに撓んだ鎖錠片１５ｂの先端部分が押圧片１５ｃの先
端部に当接して押圧片１５ｃを撓ませることとなる。こ
のため、図４（ｂ）に示すように芯線１０１の挿入力に
１つのピークしか生じず、電線１００の結線時における
芯線１０１の挿入感触が良好となり、芯線１０１の挿入
不良を防ぐことができる。By the way, in the conventional example, FIG.
As shown in FIG. 7, since the distance between the leading edge of the locking piece 15b 'of the lock spring 15' and the leading end of the pressing piece 15c 'is large, the leading edge of the locking piece 15b' first passes when the core wire 101 is inserted. Then, there is a resistance when the pressing piece 15c 'is bent by contacting the tip of the pressing piece 15c'. For this reason, as shown in FIG. 4A, two peaks occur in the insertion force of the core wire 101, and the insertion feeling of the core wire 101 when the electric wire 100 is connected is not good. On the other hand, in the present embodiment, since the distal end of the pressing piece 15c that comes into contact with the core wire 101 is arranged near the distal end edge of the locking piece 15b, the contact piece 1 between the locking piece 15b and the terminal plates 11, 12 is provided.
3c and 14c, the core wire 101 is inserted,
As shown in (b), the distal end portion of the lock piece 15b bent away from the contact pieces 13c and 14c comes into contact with the distal end portion of the pressing piece 15c to bend the pressing piece 15c. For this reason, as shown in FIG. 4B, only one peak occurs in the insertion force of the core wire 101, and the insertion feeling of the core wire 101 at the time of connection of the electric wire 100 is improved, so that the insertion failure of the core wire 101 can be prevented. .
【００３１】また、上述のように芯線１０１に接触する
押圧片１５ｃの先端部を鎖錠片１５ｂの先端縁近傍に配
置した場合、解除釦１８を操作して鎖錠片１５ｂを撓ま
せる際に鎖錠片１５ｂと押圧片１５ｃとが干渉すると解
除作業がし難くなってしまう。そこで本実施形態におい
ては、図５に示すように押圧片１５ｃの鎖錠片１５ｂと
対向する部位Ｚを鎖錠片１５ｂから離れる向きに湾曲さ
せており、これにより、解除釦１７で鎖錠片１５ｂを撓
ませたときに鎖錠片１５ｂが押圧片１５ｃと干渉するの
を防ぐことができ、解除釦１７による解除操作がし易く
なるという利点がある。When the distal end of the pressing piece 15c that comes into contact with the core wire 101 is disposed near the distal end edge of the lock piece 15b as described above, when the release button 18 is operated to bend the lock piece 15b. If the locking piece 15b and the pressing piece 15c interfere with each other, the release operation becomes difficult. Therefore, in the present embodiment, as shown in FIG. 5, the portion Z of the pressing piece 15c facing the locking piece 15b is curved in a direction away from the locking piece 15b. There is an advantage that the locking piece 15b can be prevented from interfering with the pressing piece 15c when the 15b is bent, and the release button 17 can be easily released.
【００３２】さらに、本実施形態においては、図６に示
すように芯線１０１を挿入しない状態で鎖錠片１５ｂの
先端縁と端子板１１，１２の接触片１３ｃ，１４ｃとの
間に隙間が空くように錠ばね１５が形成されている。す
なわち、端子板１１，１２のコ字状部１３，１４におけ
る当接片１３ｃ，１４ｃと接触片１３ｃ，１４ｃとの間
隔Ｌ１に対して、錠ばね１５における中央片１５ａと鎖
錠片１５ｂの先端縁との間隔Ｌ２が狭くしてある（Ｌ１
＞Ｌ２）。このように鎖錠片１５ｂの先端縁と端子板１
１，１２の接触片１３ｃ，１４ｃとの間に隙間を空けた
ことで撚り線からなる芯線が挿入し易くなるという利点
がある。Further, in the present embodiment, as shown in FIG. 6, a gap is left between the leading edge of the locking piece 15b and the contact pieces 13c, 14c of the terminal plates 11, 12 without inserting the core wire 101. Thus, the lock spring 15 is formed. That is, for the distance L1 between the contact pieces 13c, 14c and the contact pieces 13c, 14c in the U-shaped portions 13, 14 of the terminal plates 11, 12, the tip of the central piece 15a and the tip of the lock piece 15b in the lock spring 15 is provided. The distance L2 from the edge is narrowed (L1
> L2). In this manner, the end edge of the lock piece 15b and the terminal plate 1
By providing a gap between the first and second contact pieces 13c and 14c, there is an advantage that a core wire made of a stranded wire can be easily inserted.
【００３３】ところで、芯線１０１の径によっては鎖錠
片１５ｂと端子板１１，１２の接触片１３ｃ，１４ｃと
の間に芯線１０１を挿入する際に錠ばね１５が回転して
芯線１０１の保持を安定させることができない虞があ
る。そこで、本実施形態においては、図７に示すように
芯線１０１に接触する押圧片１５ｃの先端部に芯線１０
１に接触する向きに突出する複数のアールＲが付けられ
ている。このため、芯線１０１の径に応じて芯線１０１
と押圧片１５ｃとの接触位置が変わるから、錠ばね１５
の回転を防止して芯線１０１の保持を安定させることが
できる。By the way, depending on the diameter of the core wire 101, when the core wire 101 is inserted between the locking piece 15b and the contact pieces 13c and 14c of the terminal plates 11 and 12, the lock spring 15 rotates to hold the core wire 101. There is a possibility that it cannot be stabilized. Therefore, in the present embodiment, as shown in FIG.
A plurality of Rs protruding in a direction to contact with 1 are provided. For this reason, according to the diameter of the core wire 101,
The contact position between the lock spring 15 and the pressing piece 15c changes.
Can be prevented and the holding of the core wire 101 can be stabilized.
【００３４】（実施形態２）実施形態１では片切タイプ
の接点部８を備えたスイッチに本発明を適用している
が、本実施形態では３路タイプ（Ｃ接点タイプ）の接点
部８を備えたスイッチに本発明を適用している。このス
イッチの分解斜視図を図１１に、正面図を図１２（ａ）
に、側面図を図１２（ｂ）に、下面図を図１２（ｃ）
に、断面図を図１３にそれぞれ示す。なお、実施形態１
のスイッチと同一の構成要素には同一の符号を付して、
その説明を省略する。(Embodiment 2) In Embodiment 1, the present invention is applied to a switch having a single-cut type contact portion 8, but in this embodiment, a three-way type (C contact type) contact portion 8 is used. The present invention is applied to a provided switch. FIG. 11 is an exploded perspective view of this switch, and FIG.
FIG. 12B is a side view, and FIG.
FIG. 13 is a cross-sectional view. Embodiment 1
The same components as those of the switch are denoted by the same reference numerals,
The description is omitted.
【００３５】接点部８は実施形態１と同じ構造の端子板
１２（以下、「第１の端子板」と呼ぶ）と可動接点板１
９と一対の第２の端子板５８，６０とで構成される。な
お、可動接点板１９には表裏両面に後述する固定接点５
９，６１とそれぞれ接離自在に接触する可動接点２４
ａ，２４ｂが設けられている。The contact portion 8 includes a terminal plate 12 (hereinafter, referred to as a "first terminal plate") having the same structure as that of the first embodiment and the movable contact plate 1.
9 and a pair of second terminal plates 58 and 60. The movable contact plate 19 has fixed contacts 5 to be described later on both sides.
Movable contacts 24 which come into contact with and can be freely separated from and to 9, 61, respectively.
a, 24b are provided.
【００３６】第２の端子板５８，６０は導電性材料から
なる板材を曲成することにより、第１の端子板１２と同
様に略コ字状に形成されたコ字状部を有しており、この
コ字状部に一対の錠ばね１５が配置されて、端子装置６
を構成する。第２の端子板５８，６０のコ字状部は中央
片５８ａ，６０ａと、中央片５８ａ，６０ａの両端縁か
ら中央片５８ａ，６０ａと略直交する方向にそれぞれ突
出する接触片５８ｂ，６０ｂおよび当接片５８ｃ，６０
ｃから構成される。また、第２の端子板５８，６０と一
対の錠ばね１５とで端子装置６が構成される。ここで、
一方の第２の端子板５８の中央片５８ａからは可動接点
板１９の一方の可動接点２４ａと接離自在に接触する固
定接点５９が先端に設けられた略Ｌ字状の端子片５８ｃ
が延設されている。さらに、他方の第２の端子板６０の
中央片６０ａからは可動接点板１９の他方の可動接点２
４ｂと接離自在に接触する固定接点６１が先端に設けら
れた略Ｌ字状の端子片６０ｄが延設されている。そし
て、第２の端子板５８，６０の中央片５８ａ，６０ａの
各上面部には、それぞれ弾性を有する接触子６３，６４
が取着される。The second terminal plates 58 and 60 have a substantially U-shaped portion formed by bending a plate material made of a conductive material, similarly to the first terminal plate 12. A pair of lock springs 15 are arranged on the U-shaped portion, and the terminal device 6
Is configured. The U-shaped portions of the second terminal plates 58, 60 have central pieces 58a, 60a, and contact pieces 58b, 60b projecting from both end edges of the central pieces 58a, 60a in directions substantially orthogonal to the central pieces 58a, 60a, respectively. Contact piece 58c, 60
c. The terminal device 6 is composed of the second terminal plates 58 and 60 and the pair of lock springs 15. here,
A substantially L-shaped terminal piece 58c having a fixed contact 59 provided at the end thereof from the central piece 58a of the second terminal plate 58 so as to freely contact and separate from the one movable contact 24a of the movable contact plate 19 is provided.
Is extended. Further, from the central piece 60a of the other second terminal plate 60, the other movable contact 2 of the movable contact plate 19
A substantially L-shaped terminal piece 60d having a fixed contact 61, which comes into contact with and detachable from the terminal 4b, is provided at an end thereof. On the upper surfaces of the central pieces 58a, 60a of the second terminal plates 58, 60, the contacts 63, 64 having elasticity are respectively provided.
Is attached.
【００３７】接触子６３，６４は互いに鏡像の関係にあ
り、第２の端子板５８，６０の中央片５８ａ、６０ａに
接触導通する平板状の主片６３ａ，６４ａと、主片６３
ａ，６４ａの一端部から延出して回路基板５２ｄの接触
部（図示せず）に接触導通する略へ字状の接触片６３
ｂ，６４ｂと、主片６３ａ，６４ａにおける接触片６３
ｂ，６４ｂと隣り合う両端縁に折曲形成された一対の側
片６３ｃ，６３ｄ、６４ｃ，６４ｄとが導電性を有する
板材によって一体に形成されている。一方の側片６３
ｃ，６４ｃの先端縁からは第２の端子板５８，６０の中
央片５８ａ，６０ａに係止する係止片が内側に折曲形成
され、他方の側片６３ｄ，６４ｄには内側に向けて突出
する係止爪が切り起こし形成されている。The contacts 63 and 64 are in a mirror image relationship with each other, and are plate-shaped main pieces 63a and 64a which are in contact with the central pieces 58a and 60a of the second terminal plates 58 and 60;
a, 64a extending substantially from one end and contacting with a contact portion (not shown) of the circuit board 52d to form a substantially rectangular contact piece 63.
b, 64b and contact pieces 63 in the main pieces 63a, 64a
A pair of side pieces 63c, 63d, 64c, 64d bent at both end edges adjacent to b, 64b are integrally formed of a conductive plate material. One side piece 63
Locking pieces for locking to the central pieces 58a, 60a of the second terminal plates 58, 60 are bent inward from the leading edges of the c, 64c, and the other side pieces 63d, 64d are directed inward. The protruding locking claw is cut and raised.
【００３８】而して、接触子６３，６４の側片６３ｃ，
６４ｃに設けた係止片を第２の端子板５８，６０の中央
片５８ａ、６０ａの端部に係止した後、他方の側片６３
ｄ，６４ｄを中央片５８ａ，６０ａの方へ押し付けるよ
うにすれば、側片６３ｄ，６４ｄに設けた係止爪が中央
片５８ａ、６０ａの端縁に当接して撓められ、やがて係
止爪の先端が中央片５８ａ，６０ａの端縁を乗り越える
と、係止爪が中央片５８ａ，６０ａの端部に係止し、接
触子６３，６４が第２の端子板５８，６０に取着され且
つ係止固定される。Thus, the side pieces 63c, 63c of the contacts 63, 64
64c is locked to the end of the center pieces 58a, 60a of the second terminal plates 58, 60, and then the other side piece 63 is locked.
If the d and 64d are pressed toward the center pieces 58a and 60a, the locking claws provided on the side pieces 63d and 64d abut against the edges of the center pieces 58a and 60a and are bent. When the front end of the armature gets over the edge of the central pieces 58a, 60a, the locking claws are engaged with the ends of the central pieces 58a, 60a, and the contacts 63, 64 are attached to the second terminal plates 58, 60. And it is locked and fixed.
【００３９】ここで、カバー２の内周面に複数の押さえ
リブ（図示せず）が突設してあり、ボディ１とカバー２
を組み立てて器体１０を構成した場合に、上記押さえリ
ブが回路基板５２ｄの周縁部に当接して回路基板５２ｄ
をボディ１側へ押さえつけるようになっている。その結
果、回路基板５２ｄの接触部と各接触子６３，６４の接
触片６３ｂ，６４ｂとが弾接して、第２の端子板５８，
６０と回路基板５２ｄとが電気的に接続されており、負
荷のオフ時に接触子６３，６４を介して点灯表示部５２
に給電されて、ネオンランプ５３が点灯することにな
る。Here, a plurality of pressing ribs (not shown) are provided on the inner peripheral surface of the cover 2 so as to protrude.
When the container 10 is constructed by assembling the circuit board 52d, the pressing ribs come into contact with the peripheral portion of the circuit board 52d and
To the body 1 side. As a result, the contact portion of the circuit board 52d and the contact pieces 63b, 64b of the contacts 63, 64 elastically contact each other, and the second terminal plate 58,
60 and the circuit board 52d are electrically connected to each other, and when the load is turned off, the lighting display section 52 via the contacts 63 and 64.
, And the neon lamp 53 is turned on.
【００４０】而して、本実施形態のスイッチでは、操作
ハンドル３８を操作する毎に可動接点２４ａと固定接点
５９、可動接点２４ｂと固定接点６１が択一的に接触・
開離し、負荷（例えば、照明負荷）に通電されていない
ときにネオンランプ５３が点灯し、負荷に通電されてい
るときにはネオンランプ５３が消灯する。In the switch of this embodiment, the movable contact 24a and the fixed contact 59, and the movable contact 24b and the fixed contact 61 are selectively contacted each time the operating handle 38 is operated.
The neon lamp 53 is turned on when the power is not supplied to the load (for example, a lighting load), and the neon lamp 53 is turned off when the load is supplied with power.
【００４１】なお、本発明の端子装置が適用されるスイ
ッチは、接点部８が上述の片切タイプや３路タイプのも
のに限定されるものではなく、両切タイプ（Ｄ接点タイ
プ）や４路タイプ（Ｅ接点タイプ）のものであっても良
い。また、位置表示用のネオンランプ５３を備えていて
もいなくても何れでも良い。The switch to which the terminal device of the present invention is applied is not limited to the single-cut type or the three-way type as described above, and the double-cut type (D-contact type) or 4 Road type (E contact type) may be used. Further, the neon lamp 53 for displaying the position may or may not be provided.
【００４２】[0042]
【発明の効果】請求項１の発明は、端子板と、端子板の
側方より挿入される電線の芯線を端子板に接触させると
ともに芯線を反挿入方向に抜け止めする錠ばねとを備
え、この錠ばねは、弾性を有する導電性の板材を曲成す
ることにより、端子板に対向配置される中央片、中央片
との連結部位から先端縁に向かって端子板に近づく向き
に傾斜し先端縁が芯線に食い込んで抜け止めする鎖錠
片、中央片との連結部位から端子板に向けて延出され且
つ先端部が芯線を端子板の方へ押圧することにより端子
板との間に芯線を弾性狭持する押圧片が形成されてな
り、この押圧片が、中央片との連結部位よりも先端部側
で中央片との間隔が最も狭くなるように曲成されたの
で、従来に比較して錠ばね全体の寸法増大を抑えながら
押圧片の中央片との連結部位から先端部までの寸法を長
くすることができ、押圧片を撓ませるのに必要な力が低
下するから適用電線の範囲を拡大できるとともに撚り線
の結線も可能になるという効果がある。According to the first aspect of the present invention, there is provided a terminal board, and a lock spring for contacting a core wire of an electric wire inserted from a side of the terminal board with the terminal board and preventing the core wire from coming off in a direction opposite to the insertion direction, The lock spring is formed by bending a conductive plate material having elasticity, so that the center piece is disposed opposite to the terminal plate, and is inclined in a direction approaching the terminal plate from a connection portion with the center piece toward the terminal edge. A lock piece whose edge bites into the core wire to prevent it from slipping out, a part extending from the connection part with the central piece toward the terminal plate, and a front end part pressing the core wire toward the terminal plate, thereby forming a core wire between the terminal plate and the terminal plate. Is formed so that the distance between the pressing piece and the center piece becomes smaller at the tip end side than the connection part with the center piece, so that the pressing piece is compared with the conventional one. Connecting part with the central piece of the pressing piece while suppressing the increase in size of the entire lock spring From it is possible to increase the size of to the tip, there is an effect that the force required to deflect the pressing piece is possible connection of twisted together can expand the range of applicable wire lowered.
【００４３】請求項２の発明は、請求項１の発明におい
て、芯線に接触する押圧片の先端部を鎖錠片の先端縁近
傍に配置したので、鎖錠片と端子板との間に芯線を挿入
すると端子板から離れる向きに撓んだ鎖錠片の先端部分
が押圧片の先端部に当接して押圧片を撓ませ、結線時に
おける芯線の挿入感触が良好となり、芯線の挿入不良を
防ぐことができるという効果がある。According to a second aspect of the present invention, in the first aspect of the present invention, the distal end portion of the pressing piece that comes into contact with the core wire is disposed near the distal end edge of the lock piece, so that the core wire is located between the lock piece and the terminal plate. When inserted, the distal end of the locking piece that has bent away from the terminal plate abuts against the distal end of the pressing piece and bends the pressing piece, improving the feel of inserting the core wire at the time of connection, and preventing poor insertion of the core wire. The effect is that it can be prevented.
【００４４】請求項３の発明は、請求項１又は２の発明
において、操作時に鎖錠片を芯線から離す向きに撓ませ
る解除釦を備え、押圧片の鎖錠片と対向する部位を鎖錠
片から離れる向きに湾曲させてなるので、解除釦で鎖錠
片を撓ませたときに鎖錠片が押圧片と干渉するのを防ぐ
ことができ、解除釦による解除操作がし易くなるという
効果がある。According to a third aspect of the present invention, in the first or second aspect of the present invention, a release button is provided to bend the lock piece in a direction away from the core wire during operation, and a portion of the pressing piece facing the lock piece is locked. Since it is bent away from the piece, the lock piece can be prevented from interfering with the pressing piece when the lock piece is bent by the release button, and the release button can be easily released. There is.
【００４５】請求項４の発明は、請求項１又は２又は３
の発明において、芯線を挿入しない状態で鎖錠片の先端
縁と端子板との間に隙間が空くように錠ばねが形成され
たので、鎖錠片の先端縁と端子板との間に隙間を空けた
ことで撚り線が挿入し易くなるという効果がある。The invention of claim 4 is the invention of claim 1 or 2 or 3
In the invention of the above, since the lock spring is formed so as to leave a gap between the leading edge of the lock piece and the terminal plate in a state where the core wire is not inserted, the gap is formed between the leading edge of the lock piece and the terminal plate. There is an effect that the stranded wire can be easily inserted by opening.
【００４６】請求項５の発明は、請求項１〜４の何れか
の発明において、芯線に接触する押圧片の先端部は、芯
線に接触する向きに突出する複数のアールが付けられて
なるので、芯線の径に応じて芯線と押圧片との接触位置
が変わるから、錠ばねの回転を防止して芯線の保持を安
定させることができるという効果がある。According to a fifth aspect of the present invention, in any one of the first to fourth aspects of the present invention, the tip of the pressing piece in contact with the core wire is provided with a plurality of rounds projecting in the direction of contact with the core wire. Since the contact position between the core wire and the pressing piece changes according to the diameter of the core wire, there is an effect that rotation of the lock spring can be prevented and the holding of the core wire can be stabilized.
【図１】実施形態１を示すスイッチの要部断面図であ
る。FIG. 1 is a sectional view of a main part of a switch according to a first embodiment.
【図２】（ａ）は従来の錠ばねを示す平面図、（ｂ）は
実施形態１の錠ばねを示す平面図である。FIG. 2A is a plan view illustrating a conventional lock spring, and FIG. 2B is a plan view illustrating a lock spring according to the first embodiment.
【図３】（ａ）は従来の端子装置を示す側面図、（ｂ）
は実施形態１の端子装置を示す側断面図である。FIG. 3A is a side view showing a conventional terminal device, and FIG.
1 is a side sectional view showing a terminal device according to a first embodiment.
【図４】（ａ）は従来例の動作説明図、（ｂ）は実施形
態１の動作説明図である。4A is an operation explanatory diagram of a conventional example, and FIG. 4B is an operation explanatory diagram of the first embodiment.
【図５】同上の説明図である。FIG. 5 is an explanatory diagram of the above.
【図６】同上の説明図である。FIG. 6 is an explanatory diagram of the above.
【図７】（ａ）は同上における錠ばねの平面図、（ｂ）
は錠ばねの押圧片の先端部を示す平面図である。FIG. 7A is a plan view of the lock spring in the same as above, and FIG.
FIG. 4 is a plan view showing the tip of the pressing piece of the lock spring.
【図８】同上におけるスイッチの分解斜視図である。FIG. 8 is an exploded perspective view of the switch in the above.
【図９】同上におけるスイッチの断面図である。FIG. 9 is a sectional view of the switch in the above.
【図１０】（ａ）は同上におけるスイッチの正面図、
（ｂ）は同上におけるスイッチの側面図、（ｃ）は同上
におけるスイッチの下面図である。FIG. 10A is a front view of the switch in the above embodiment,
(B) is a side view of the switch in the above, and (c) is a bottom view of the switch in the above.
【図１１】実施形態２におけるスイッチの分解斜視図で
ある。FIG. 11 is an exploded perspective view of the switch according to the second embodiment.
【図１２】同上におけるスイッチの断面図である。FIG. 12 is a sectional view of the switch in the above.
【図１３】（ａ）は同上におけるスイッチの正面図、
（ｂ）は同上におけるスイッチの側面図、（ｃ）は同上
におけるスイッチの下面図である。FIG. 13A is a front view of the switch in the above embodiment,
(B) is a side view of the switch in the above, and (c) is a bottom view of the switch in the above.
【図１４】従来例を示す配線器具の要部断面図である。FIG. 14 is a sectional view of a main part of a wiring device showing a conventional example.
１１，１２ 端子板 １３，１４ コ字状部 １３ｃ，１４ｃ 接触片 １５ 錠ばね １５ａ 中央片 １５ｂ 鎖錠片 １５ｃ 押圧片 １００ 電線 １０１ 芯線 11, 12 Terminal plate 13, 14 U-shaped portion 13c, 14c Contact piece 15 Lock spring 15a Central piece 15b Lock piece 15c Pressing piece 100 Electric wire 101 Core wire
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） (72)発明者 忽那 正浩 大阪府門真市大字門真1048番地 松下電工 株式会社内 (72)発明者 住野 安弘 大阪府門真市大字門真1048番地 松下電工 株式会社内 (72)発明者 立石 博之 大阪府門真市大字門真1048番地 松下電工 株式会社内 (72)発明者 相星 広明 大阪府門真市大字門真1048番地 松下電工 株式会社内 (72)発明者 稲垣 弘 大阪府門真市大字門真1048番地 松下電工 株式会社内 (72)発明者 伊藤 篤司 大阪府門真市大字門真1048番地 松下電工 株式会社内 (72)発明者 高木 辰也 三重県安芸郡美里村字五百野1285番地 株 式会社葉山電器製作所内 (72)発明者 鈴木 健 三重県安芸郡美里村字五百野1285番地 株 式会社葉山電器製作所内──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) (72) Inventor Masahiro Kutsuna 1048, Oojidoma, Kadoma City, Osaka Matsushita Electric Works, Ltd. (72) Inventor Yasuhiro Sumino 1048 Okadoma Kadoma, Kadoma-shi, Osaka Matsushita Electric Works, Ltd. (72) Inventor Hiroyuki Tateishi 1048 Okadoma, Kadoma-shi, Osaka Pref.Matsushita Electric Works, Ltd. Electric Works Co., Ltd. (72) Inventor Hiroshi Inagaki 1048 Kadoma Kadoma, Osaka Prefecture Matsushita Electric Works Co., Ltd. (72) Inventor Atsushi Ito 1048 Okadoma Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works Co., Ltd. Tatsuya 1285 Gomono, Misato-mura, Aki-gun, Mie Prefecture Inside Hayama Electric Works (72) Inventor Ken Suzuki Aki-gun, Mie Prefecture 1285 Misomo-mura Gomono Hayama Electric Works Co., Ltd.
Claims (5)
電線の芯線を端子板に接触させるとともに芯線を反挿入
方向に抜け止めする錠ばねとを備え、この錠ばねは、弾
性を有する導電性の板材を曲成することにより、端子板
に対向配置される中央片、中央片との連結部位から先端
縁に向かって端子板に近づく向きに傾斜し先端縁が芯線
に食い込んで抜け止めする鎖錠片、中央片との連結部位
から端子板に向けて延出され且つ先端部が芯線を端子板
の方へ押圧することにより端子板との間に芯線を弾性狭
持する押圧片が形成されてなり、この押圧片が、中央片
との連結部位よりも先端部側で中央片との間隔が最も狭
くなるように曲成されたことを特徴とする端子装置。1. A terminal plate, and a lock spring for contacting a core wire of an electric wire inserted from a side of the terminal plate with the terminal plate and preventing the core wire from coming off in a direction opposite to the insertion direction. By bending the conductive plate material having, the central piece arranged opposite to the terminal plate, the connecting portion with the central piece is inclined toward the terminal plate toward the distal end edge, and the distal edge cuts into the core wire and comes off Locking piece to be locked, pressing piece extending toward the terminal plate from a connection portion with the central piece and having a distal end portion pressing the core wire toward the terminal plate to elastically hold the core wire between the terminal plate and the terminal plate. The terminal device is characterized in that the pressing piece is bent such that the interval between the pressing piece and the center piece becomes smaller at the tip end side than the connection portion with the center piece.
の先端縁近傍に配置したことを特徴とする請求項１記載
の端子装置。2. The terminal device according to claim 1, wherein the distal end of the pressing piece that contacts the core wire is disposed near the distal end edge of the lock piece.
ませる解除釦を備え、押圧片の鎖錠片と対向する部位を
鎖錠片から離れる向きに湾曲させてなることを特徴とす
る請求項１又は２記載の端子装置。3. A release button for bending a lock piece away from the core wire during operation, wherein a portion of the pressing piece facing the lock piece is curved in a direction away from the lock piece. The terminal device according to claim 1.
と端子板との間に隙間が空くように錠ばねが形成された
ことを特徴とする請求項１又は２又は３記載の端子装
置。4. The terminal according to claim 1, wherein a lock spring is formed such that a gap is formed between the distal end edge of the lock piece and the terminal plate without inserting the core wire. apparatus.
に接触する向きに突出する複数のアールが付けられてな
ることを特徴とする請求項１〜４の何れかに記載の端子
装置。5. The terminal device according to claim 1, wherein the tip of the pressing piece that contacts the core wire is provided with a plurality of rounds that protrude in a direction that contacts the core wire. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000348768A JP4303413B2 (en) | 2000-11-15 | 2000-11-15 | Terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000348768A JP4303413B2 (en) | 2000-11-15 | 2000-11-15 | Terminal equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002151172A true JP2002151172A (en) | 2002-05-24 |
| JP4303413B2 JP4303413B2 (en) | 2009-07-29 |
Family
ID=18822290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000348768A Expired - Fee Related JP4303413B2 (en) | 2000-11-15 | 2000-11-15 | Terminal equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4303413B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI403033B (en) * | 2010-01-15 | 2013-07-21 | Omron Tateisi Electronics Co | Electrical connector, electrical machine and conductive contact method |
| EP3226352A1 (en) | 2016-03-29 | 2017-10-04 | Panasonic Intellectual Property Management Co., Ltd. | Terminal device and wiring apparatus with same |
| EP3226351A1 (en) | 2016-03-29 | 2017-10-04 | Panasonic Intellectual Property Management Co., Ltd. | Terminal device and wiring apparatus with same |
| JP2017204415A (en) * | 2016-05-12 | 2017-11-16 | パナソニックＩｐマネジメント株式会社 | Terminal device and wiring accessory including the same |
| CN108882128A (en) * | 2018-09-12 | 2018-11-23 | 歌尔股份有限公司 | Loudspeaker and intelligent terminal |
| EP3506432A2 (en) | 2017-12-27 | 2019-07-03 | Panasonic Intellectual Property Management Co., Ltd. | Terminal device and power converter including the same |
-
2000
- 2000-11-15 JP JP2000348768A patent/JP4303413B2/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI403033B (en) * | 2010-01-15 | 2013-07-21 | Omron Tateisi Electronics Co | Electrical connector, electrical machine and conductive contact method |
| EP3226352A1 (en) | 2016-03-29 | 2017-10-04 | Panasonic Intellectual Property Management Co., Ltd. | Terminal device and wiring apparatus with same |
| EP3226351A1 (en) | 2016-03-29 | 2017-10-04 | Panasonic Intellectual Property Management Co., Ltd. | Terminal device and wiring apparatus with same |
| CN107240785A (en) * | 2016-03-29 | 2017-10-10 | 松下知识产权经营株式会社 | Arrangements of terminal and the wiring unit with the arrangements of terminal |
| JP2017204415A (en) * | 2016-05-12 | 2017-11-16 | パナソニックＩｐマネジメント株式会社 | Terminal device and wiring accessory including the same |
| WO2017195750A1 (en) * | 2016-05-12 | 2017-11-16 | パナソニックＩｐマネジメント株式会社 | Terminal device and wiring device with same |
| EP3506432A2 (en) | 2017-12-27 | 2019-07-03 | Panasonic Intellectual Property Management Co., Ltd. | Terminal device and power converter including the same |
| CN108882128A (en) * | 2018-09-12 | 2018-11-23 | 歌尔股份有限公司 | Loudspeaker and intelligent terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4303413B2 (en) | 2009-07-29 |
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