【０００１】
【発明の属する技術分野】
本発明は、スイッチやコンセントのような配線器具の器体に収納されて電線を接続する速結端子装置並びに配線器具に関するものである。
【０００２】
【従来の技術】
従来から、スイッチやコンセントのような配線器具において、器体に設けた電線挿入孔を通して器体に導入された電線を接続するために速結端子が広く用いられている。この種の速結端子としては、図６９に示すように、器体３００に収納され電線挿入孔３０１を通して器体３００に導入された電線１０１に接触する端子板３０２と、端子板３０２との間で電線を挟持する鎖錠ばね３０３とを備えるものが知られている（例えば、特許文献１参照）。鎖錠ばね３０３は板ばねであって、鎖錠ばね３０３に設けた接触片３０３ａおよび鎖錠片３０３ｂと端子板３０２との間に電線１０１を挟持することによって電線１０１を保持するように形成されている。つまり、器体３００に設けた電線挿入孔３０１を通して電線１０１を器体３００に導入すると、電線１０１が接触片３０３ａおよび鎖錠片３０３ｂを端子板３０２から引き離す向きに撓ませ、接触片３０３ａおよび鎖錠片３０３ｂに生じるばね力によって電線１０１が端子板３０２と鎖錠片３０３ｂとの間に挟持されるように構成されている。ここに、電線１０１が端子板３０２と接触片３０３ａおよび鎖錠片３０３ｂとの間に挟持された状態では、接触片３０３ａおよび鎖錠片３０３ｂの端縁が電線１０１に弾接し、電線１０１の一部に鎖錠片３０３ｂが食い込むことによって電線１０１の抜け止めがなされる。このように、電線１０１を電線挿入孔３０１に挿入するだけで端子板３０２に電線１０１が接触した状態で保持されるから、端子ねじを用いて電線１０１を接続する構造に比較すると電線１０１の結線作業が容易になる。
【０００３】
ところで、図７０に示すように器体３００の後壁には操作孔３０４が貫設され、この操作孔３０４の奥側における器体３００の内部に解除釦３０５が収納配置される。図７１に示すように、解除釦３０５は鎖錠ばね３０３の横に配置され、鎖錠ばね３０３の鎖錠片３０３ｂの後面側に当接する押し片３０５ａが側面から突出する形状を有する。操作孔３０４はマイナスドライバの先端部のような工具３１０が挿入可能となる形状を有し、工具２１０を操作孔３０４に挿入して解除釦３０５を前方に押圧すると、鎖錠片３０３ｂが押し片３０５ａから押圧力を受けることにより電線１０１から離れる向きに撓むようにしてある。したがって、電線１０１を接続した状態で操作孔３０４に工具を挿入して解除釦３０５を押圧すれば、鎖錠片３０３ｂが電線１０１から離れるように撓んで電線１０１の機械的保持が解除され、電線１０１を器体３００から引き抜くことが可能になる。
【０００４】
【特許文献１】
特開２００１−２１０３９３号公報（第４−６頁、第３図）
【０００５】
【発明が解決しようとする課題】
ところで、上記従来例では、鎖錠ばね３０３の鎖錠片３０３ｂが解除釦３０５の押し片３０５ａから押圧力を受ける位置が先端よりも接触片３０３ａ寄りにずれており、鎖錠片３０３ｂを撓ませるのに相対的に大きな押圧力が必要になるとともにその押圧力により鎖錠片３０３ｂが変形してしまう虞があった。
【０００６】
本発明は上記事情に鑑みて為されたものであり、その目的は、電線の接続状態を解除する際に鎖錠部が変形するのを防ぐことができる速結端子装置並びに配線器具を提供することにある。
【０００７】
【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、配線器具の器体に貫設した電線挿入孔を通して器体に導入される電線を結線する速結端子装置であって、ばね性を有する金属板を両端部が重なり合うように対向して折り曲げてなる端子板を備え、前記端子板の一方の端部に電線と接触する接触片が一体に設けられ、且つ他方の端部に接触片側へ突出する鎖錠片を設け、前記端子板の電線の挿入方向に沿った接触片部分の両側において電線を押圧する一対の押圧部が設けられ、前記鎖錠片には、電線を接触部側へ押圧するとともに電線の一部に食い込んで抜け止めする鎖錠部が先端に設けられてなり、前記接触部が設けられた端子板の一方の端部と鎖錠片が設けられた端子板の他方の端部とが、器体内に導入される電線から離れる向きに撓み可能であり且つ接触片の電線挿入孔から遠い側の先端部よりも電線挿入孔に近い側の後端部が電線に近付く向きに傾斜するように前記端子板が器体内に収納されてなり、鎖錠片の鎖錠を解除する解除手段を備え、解除手段は、器体の表面に露出して手動操作される操作部並びに操作部が操作されたときに鎖錠部の先端を押動して電線から引き離す押動突部を有し、電線が結線されている接続位置と電線が結線されていない非接続位置との間で移動自在であり且つ直方体状の器体における電線挿入孔が設けられた面に隣り合う面から進退自在に突出するように器体に配設される解除釦と、解除釦を接続位置から非接続位置に弾性付勢する付勢部材とを具備し、少なくとも電線挿入孔が設けられた器体の面を電線の挿入方向から見たときに非接続位置の解除釦を視認可とし接続位置の解除釦を視認不可とする段差が器体に設けられたことを特徴とする。
【０００９】
請求項２の発明は、請求項１の発明において、解除釦は、一端側に押動突部が設けられ、他端側が支持されて揺動自在に器体に配設されたことを特徴とする。
【００１０】
請求項３の発明は、請求項１又は２の発明において、解除釦の付勢部材が当接する部位を付勢部材による付勢向きにくぼませたことを特徴とする。
【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、押動突部が設けられた解除釦の一端側に操作部が設けられたことを特徴とする。
【００１２】
請求項５の発明は、請求項１又は２又は３の発明において、解除釦の操作部以外の部位であって器体の外に露出する部位に、配線器具が取り付けられる取付部材に対する逃げが設けられたことを特徴とする。
【００１３】
請求項６の発明は、請求項１〜５の何れかの発明において、押動突部と係合して解除釦を仮止めする係合部が端子板に設けられたことを特徴とする。
【００１４】
請求項７の発明は、請求項６の発明において、押動突部を係合部へ係合する向き並びに係合部との係合が外れる向きに案内するガイド面が押動突部に設けられたことを特徴とする。
【００１６】
請求項８の発明は、請求項２の発明において、解除釦を複数の方向で移動自在としたことを特徴とする。
【００１７】
請求項９の発明は、請求項８の発明において、解除釦の反操作方向への倒れを防ぐ倒れ防止手段を備えたことを特徴とする。
【００１８】
請求項１０の発明は、請求項８又は９の発明において、器体に収納される配線部材を逃がす逃がし部が解除釦に設けられたことを特徴とする。
【００１９】
請求項１１の発明は、請求項１の発明において、解除釦は、鎖錠部の押動方向と直交する方向の両端部近傍をそれぞれ押動する複数の押動突部が設けられてなることを特徴とする。
【００２０】
請求項１２の発明は、請求項１の発明において、端子板を挟み込んで端子板に固定される固定部が付勢部材に設けられたことを特徴とする。
【００２１】
請求項１３の発明は、請求項１２の発明において、それぞれに電線が接続される２つの端子板が一体に形成され、個々の端子板に対応する２つの解除釦を弾性付勢する２つの付勢部材を有し、個別に形成された付勢部材の固定部が固定される被固定部と、２つが一体に形成された付勢部材の固定部が固定される被固定部とが端子板に設けられたことを特徴とする。
【００２２】
請求項１４の発明は、上記目的を達成するために、施工面に設けられる埋込孔に後部を埋め込む形で配設される器体と、器体に収納される請求項１〜１３の何れかに記載された速結端子装置と、器体の側面に設けられ埋込孔の周りに設置される取付枠又は取付枠一体型のプレートに器体を取り付ける取付手段とを備えたことを特徴とする。
【００２３】
請求項１５の発明は、請求項１４の発明において、施工されるまでの間だけ器体の電線挿入孔に挿入されて解除釦を接続位置に固定する固定ピンを備えたことを特徴とする。
【００２４】
【発明の実施の形態】
以下、本発明をコンセント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、配線器具はコンセントに限定されるものではなく、例えばスイッチなどのコンセント以外の配線器具にも本発明の技術思想が適用可能であることは言うまでもない。
【００２５】
（実施形態１）
図１〜図３に示すように、器体１は耐トラッキング性に優れた熱硬化性合成樹脂（例えば、ユリア樹脂）を用いて前面が開放された直方体状に形成されたボディ１０と、同じく耐トラッキング性に優れた熱硬化性合成樹脂（例えば、ユリア樹脂）を用いて後面が開放された直方体状に形成されたカバー２０とを結合することにより形成される。器体１は後述する規定の単位寸法を有している。
【００２６】
ボディ１０は長手方向の中間部に設けた仕切壁１２により内部空間が２分されている。また、後述するようにカバー２０内に収納される中枠１８０に仕切壁１８０ａが形成されており（図１１参照）、ボディ１０とカバー２０とを結合するとボディ１０の仕切壁１２とカバー２０内に収納された中枠１８０の仕切壁１８０ａとが突き合わされることによって器体１の内部空間が独立した２室に分割される。
【００２７】
ボディ１０内において仕切壁１２を介して形成された各収納室１３には、プラグの栓刃を受ける刃受３１がそれぞれ収納される。各刃受３１は、図７に示すように互いに対向する先端部にて栓刃を挟持する一対の刃受ばね３２と、両刃受ばね３２の一方の側面同士を連続一体に結合するコ字状の連結片３４と、連結片３４より突出し両刃受ばね３２の前記側面に対向する刃受ばね３３とを備える。また、連結片３４には円筒形の４つの突起３４ａが列設されており、各一対の突起３４ａにそれぞれ後述する端子板４１がかしめ固定される。
【００２８】
端子部４０は、端子板４１並びに解除釦６０で構成される。端子板４１は、図８（ａ）に示すように略Ｌ字形の主片４２と、主片４２の幅細の一端側から後方（図８（ｂ）における下方、以下同じ）へ垂下された接触片４３と、主片４２の幅太の他端側から後方へ垂下された略Ｊ字形の鎖錠片４４と、鎖錠片４４の側端縁から側方へ突出する固定片４５とを有し、弾性を有する帯状の金属板を加工して接触片４３の先端部と鎖錠片４４の先端部が交差するように折り曲げて一体に形成される。接触片４３にはほぼ平坦な面を有して電線に弾接する接触部４３ａと、電線の挿入方向に沿った接触部４３ａの両側において電線を押圧する一対の押圧部４３ｂ，４３ｃが設けられている。また、接触片４３に対して内側に位置する鎖錠片４４には、電線を接触部４３ａの方へ押圧するとともに電線の一部に食い込んで抜け止めする鎖錠部４４ａが先端に設けられ、鎖錠部４４ａよりも後方の部位に電線（接触片４２）から離れる向きに凸となる曲げ部４４ｂが設けられている。なお、図８（ｃ）に示すように接触片４３の幅寸歩は鎖錠片４４の幅寸法のおよそ半分に設定されている。さらに、固定片４５には刃受３１の連結片３４に列設されている一対の突起３４ａが挿通される挿通孔４５ａが貫設されており、これら一対の挿通孔４５ａに挿通した突起３４ａをかしめることで刃受３１の連結片３４に固定片４５が固定される。そして、一対の刃受ばね３２とそれぞれ隣り合うように連結片３４に固定された一対の端子板４１と刃受３１からなる刃受ブロック３０がボディ１０の各収納室１３に収納される。
【００２９】
ボディ１０の底壁には接触片４３と鎖錠片４４の間に電線を導入することができるように電線挿入孔１１が貫設されている。図１３に示すように、この電線挿入孔１１を通して接触片４３と鎖錠片４４の間に電線１０１を挿入すると、鎖錠片４４の鎖錠部４４ａが電線１０１に食い込むことによって電線１０１が引き抜けなくなるとともに鎖錠片４４のばね力によって電線１０１が接触片４３の接触部４３ａに弾接し、さらに電線１０１は一対の押圧部４３ｂ，４３ｃによって鎖錠片４４の方へ押圧され、鎖錠部４４ａと一対の押圧部４３ｂ，４３ｃの押圧力が均衡して電線１０１が狭持される。但し、主片４２に近い方の押圧部４３ｃは電線１０１と当接する面を面取りして接触面積を増やしてある。
【００３０】
ところで、従来例における端子部は端子板と鎖錠ばねからなる速結端子装置で構成されており、端子板がばね性を有しない金属材料で形成されていた。このため、図６９（ａ）に示すように電線１０１が端子板３０２ａ及び鎖錠ばね３０３に対して真っ直ぐに正規の状態で挿入された場合には端子板３０２ａと電線１０１の接触面積が十分に確保されるが、同図（ｂ）に示すように電線３０１が端子板３０２ａ及び鎖錠ばね３０３に対して傾いて挿入された場合には端子板３０２ａと電線１０１の接触面積が減少してしまう虞があった。これに対して本実施形態の端子部４０では、上述のように接触片４３の２つの押圧部４３ｂ，４３ｃ及び鎖錠片４４の鎖錠部４４ａで電線１０１を両側（互いに反対方向）から押圧しているため、例え電線１０１が傾いて挿入されたとしても接触片４３及び鎖錠片４４のばね力で電線１０１の傾きに追従して２つの押圧部４３ｂ，４３ｃによる押圧力と鎖錠部４４ａによる押圧力とを均衡させることができ、電線１０１の挿入状態に関わらず端子板４１と電線１０１の接続状態を安定させることができる。また、押圧部４３ｂ，４３ｃと鎖錠部４４ａで反対方向から電線１０１に押圧力を与えることにより、押圧力を接触片４３と鎖錠片４４でバランスよく分担することができ、接触片４３や鎖錠片４４のへたり等を抑えることができる。しかも本実施形態では、電線１０１を接続する接続手段たる接触部４３ａ、押圧部４３ｂ、４３ｃ並びに鎖錠部４４ａを弾性を有する金属板によって端子板４１と一体に形成しているから、従来のように端子板と鎖錠ばねの２つの部品を要するものに比較して部品点数並びに組立工数の削減によるコストダウンが図れるという利点もある。
【００３１】
ここで、本実施形態では端子板４１の鎖錠片４４に曲げ部４４ｂを設けているが、例えば、図１４（ａ）に示すように鎖錠片４４の長さを同じとして曲げ部４４ｂを設けずに鎖錠部４４ａの位置を同一にしようとすると鎖錠部４４ａの食い込み角度が小さくなってしまい電線への食い込みが弱くなってしまう。一方、鎖錠部４４ａの同一位置及び同一角度に配置しようとすれば、図１４（ｂ）に示すように鎖錠片４４の長さが短くなってばね性が低下しへたりが発生しやすくなってしまう。したがって、鎖錠片４４に曲げ部４４ｂを設けることでこのような不具合の発生が防止できることになり、鎖錠片４４のばね性を十分に確保すると同時に鎖錠部４４ａの電線に食い込む角度を大きくして電線を確実に抜け止めすることができる。
【００３２】
また、鎖錠片４４の鎖錠部４４ａが形成された先端部位をプレス等によりたたき加工すれば、図１５に示すように鎖錠部４４ａの厚みが若干薄くなるものの表面硬度が高くなって電線挿入に伴う削れを減少させて抜け止め性能の劣化を防ぐことができる。さらに、図１６に示すように鎖錠部４４ａの電線１０１に食い込む側の面をたたき加工すれば、鎖錠部４４ａに生じる段差によって電線１０１に接触する部位が増えて接続信頼性の向上が図れるという利点がある。また、本実施形態では主片４２に近い方の押圧部４３ｃが電線１０１と接触する面を面取りしているが、図１７に示すように電線１０１との接触面を面取りせずに押圧部４３ｃを電線１０１に食い込ませて抜け止めする構造とすれば、電線１０１をさらに確実に抜け止めすることができる。
【００３３】
ところで、図１８に示すようにボディ１０底面における電線挿入孔１１の近傍にストッパリブ１４を突設し、電線１０１が挿入された際に接触片４３の先端をストッパリブ１４に当てて接触片４３の撓み量を規制するようにすれば、接触片４３が過度に撓んで塑性変形するのを防ぐことができる。また、ストッパリブ１４の位置を、接触部４３ａの接触面が電線１０１の挿入方向と略平行となる位置で接触片４３の撓みを規制できる位置に設定すれば、図１８に示すようにストッパリブ１４で規制された状態で接触部４３ａと電線１０１の接触面積を最も大きく、すなわち、面接触させることができて接続信頼性の向上が図れるという利点がある。
【００３４】
また、本実施形態では接触片４３及び鎖錠片４４を端子板４１と一体に形成しているが、相対的に通電性が重視される接触片４３と、相対的にばね性が重視される鎖錠片４４とを別部材で構成してもよい。例えば、図１９に示すように主片４２及び接触片４３が一体に形成された第１の部材４１Ａと、鎖錠片４４が形成された第２の部材４１Ｂとを備え、主片４２に設けた突起４２ａを鎖錠片４４に設けた貫通孔４４ｃに貫通してかしめることにより第１及び第２の部材４１Ａ，４１Ｂを結合して端子板４１を構成すればよい。而して、接触片４３が形成される第１の部材４１Ａには通電性に優れる金属材料を使用し、鎖錠片４４が形成される第２の部材４１Ｂにはばね性に優れる金属材料を使用することができるから、両方の性能を満足する特殊で比較的に高価な材料を使用せずに一般的な材料が使用できてコストダウンが図れるという利点がある。
【００３５】
ところで、端子板４１とともに端子部４０を構成する解除釦６０が各収納室１３に配設される。この解除釦６０は合成樹脂成型品からなり、図１及び図９に示すように略Ｐ字形の操作部６１と、操作部６１の一側面における一端から側方へ突出する駆動部６２と、前記側面における他端から側方へ突出する腕部６３と、腕部６３の先端から駆動部６２の方へ突出する押動突部６４とが一体に形成されている。腕部６３は操作部６１の幅寸法よりも狭い幅寸法に形成されている（図９（ｃ）参照）。また駆動部６２は、腕部６３に比較して操作部６１からの突出量が大きくなっており、腕部６３と対向する内側面（図９（ｂ）における下面）には下方及び一側方に開放する凹所６２ａが形成されている。腕部６３と対向する凹所６２ａの底面には、先端から操作部６１に向かって徐々に腕部６３から遠ざかる向きに傾斜する傾斜面６２ｂが形成されている。なお、駆動部６２の先端部分の外側面（図９（ｂ）における上側面）には断面形状が略台形の突起６５が突設されている。
【００３６】
一方、ボディ１０の長手方向の両側面には、各収納室１３と通じる縦溝１５が各一対ずつ並設されており、この縦溝１５に操作部６１を挿通するようにして解除釦６０がボディ１０内の各収納室１３に配設される。ここで解除釦６０は、腕部６３が端子板４１の鎖錠片４４における接触片４３と対向しない部位に対向し、ボディ１０の電線挿入孔１１と駆動部６２の凹所６２ａとが対向し、且つ操作部６１が縦溝１５から進退自在に突出するように収納室１３内に移動自在に配置されている。なお、既に説明したように接触片４３の幅寸法を鎖錠片４４の幅寸法よりも狭くしているから、腕部６３と鎖錠片４４の対向面積を広くとることができるようになっている。また、操作部６１を縦溝１５から突出する向きに弾性付勢して解除釦６０を電線が接続されていないときの位置（非接続位置）に復帰させる復帰ばね７０が各収納室１３に収納されている。
【００３７】
復帰ばね７０は、図１０に示すように先端が略直角に折り曲げられ、後端部が略へ字形に折り曲げられたばね片７１と、ばね片７１の後端部の両側縁よりばね片７１の先端側へ突出する一対の固定部７２とが一体に形成されてなる。固定部７２は先端部が略Ｕ字形に湾曲し、図２０に示すように端子板４１の鎖錠片４４における主片４２近傍の部位に設けられた切り欠きからなる被固定部４６を挟み込んで復帰ばね７０を端子板４１に固定（仮固定）するものである。そして、端子板４１に復帰ばね７０を仮固定した刃受ブロック３０を収納室１３内に収納すると、ボディ１０内壁に端子板４１が当接してばね片７１の後端部が狭持され、復帰ばね７０が端子板４１に本固定される。さらに解除釦６０を収納室１３内に配設すれば、復帰ばね７０のばね片７１の先端部が解除釦６０の駆動部６２の先端にそれぞれ当接し、ばね片７１のばね力により、非接続位置（ボディ１０の縦溝１５から操作部６１が突出した位置）に復帰する向きに解除釦６０が弾性付勢される。なお、解除釦６０の器体１に対する抜け止めは、カバー２０の内壁面に駆動部６２を当接させることで行われる。
【００３８】
而して、電線挿入孔１１を通して端子板４１の接触片４３と鎖錠片４４の間に電線を挿入して端子部４０（端子板４１）に電線を接続すると、電線の先端が解除釦６０の駆動部６２の凹所６２ａに形成された傾斜面６２ｂに当接し、電線の挿入力（電線の挿入向きにはたらく力）によって、駆動部６２がカバー２０に近付く向き及び操作部６１が器体１内に進入する向きに解除釦６０が押駆動される。その結果、端子部４０に電線が接続された状態では、操作部６１の一部が器体１内部に引き込まれた位置（接続位置）まで移動することになる。つまり、解除釦６０の操作部６１が非接続位置と接続位置の間で移動自在となっており、操作部６１の位置（非接続位置又は接続位置）によって電線が端子板４１と接続されているか否かを確認することができるのである。また電線を接続する際、上述のように電線の挿入力によって解除釦６０がカバー２０に近付く向きに押し上げられるのであるが、解除釦６０の駆動部６２と対向するカバー２０の内底面には段差（図示せず）が形成されており、駆動部６２に設けた突起６５が当該段差を乗り越えるときに音（例えば、「カチッ」というような衝撃音）を発するので、その音によっても電線が端子板４１に接続されたことを確認することができるようになっている。
【００３９】
一方、端子部４０に接続されている電線を引き抜くには、縦溝１５を通して器体１の側面に露出している操作部６１を指で押操作すればよい。操作部６１を押操作して接続位置からさらに器体１内部に解除釦６０を移動させると、解除釦６０の腕部６３先端に突設されている押動突部６４で端子板４１の鎖錠部４４ａの先端を押圧することにより、電線に食い込んでいる鎖錠部４４を電線から離すように鎖錠片４４を撓ませて電線の引き抜きが可能となる。ここで、本実施形態では解除釦６０の腕部６３先端に突設した押動突部６４で鎖錠部４４ａの先端を押圧するようにしているから、鎖錠片４４を鎖錠部４４ａから離れた位置で押圧する場合に比較して、電線の接続状態を解除する際に鎖錠部４４ａ（鎖錠片４４）が変形（塑性変形）するのを防ぐことができる。
【００４０】
従来の速結端子装置では工具を使って解除釦を操作しながら電線を引き抜かなければならないため、一方の手で配線器具の器体を持ち、他方の手に持った工具を操作孔に挿入して解除釦を操作した状態では両手が塞がれてしまうために電線を電線挿入孔から引き抜くことが困難であった。これに対して本実施形態では、器体１を持った手の指（例えば、親指）で器体１の側面に露出する解除釦６０の操作部６１を押操作して電線に食い込んでいる鎖錠部４４ａを電線から離すことができ、一方の手で器体１の保持と解除釦６０の操作を同時に行い、他方の手で電線を引き抜くことができるため、従来の速結端子装置に比較して電線の取り外し作業が容易に行える。そして、電線を引き抜いた後に操作部６１の押操作を止めれば、復帰ばね７０のばね力によって解除釦６０が移動し、操作部６１が非接続位置に自動的に復帰するため、操作部６１を非接続位置に復帰させる手間が要らず何度でも電線を抜き差しすることができる。
【００４１】
ここで、解除釦６０は駆動部６２において器体１の縦溝１５から抜け止めされ、腕部６３の側ではフリーの状態であるから、抜け止め位置にある駆動部６２を支点として解除釦６０が揺動自在となっており、腕部６３の側でも抜け止めを行って平行移動のみ可能とした場合に比較して、非接続位置における解除釦６０の突出量を増やして視認性並びに操作性を高めることができる。また、図９に示すように解除釦６０の駆動部６２における復帰ばね７０のばね片７１先端が当接する面６２ｃを復帰ばね７０の付勢向きにくぼんだ形状としているので、図２１（ａ）に示すように前記当接面６２ｃが平坦な場合に比較して解除釦６０の移動量が同じでも復帰ばね７０の変位量を低減することができ、復帰ばね７０のへたりを軽減することができる（図２１（ｂ）参照）。
【００４２】
なお、本実施形態では復帰ばね７０に設けた固定部７２を端子板４１の被固定部４６に仮固定するようにしているが、図２２に示すように端子板４１に突設した突起４７を復帰ばね７０に設けた係止孔７３に挿入係止して仮固定する場合に比較して、刃受ブロック３０をボディ１０へ組み込む際に少々の衝撃が加わっても復帰ばね７０が端子板４１から脱落し難くなって作業性の向上が図れるという利点がある。
【００４３】
ところで、ボディ１０の長手方向両側面における縦溝１５の後端近傍の部位にボディ１０の長手方向に突出する一対の突部１６が突設されてボディ１０の側面との間に段差が形成されている。すなわち、接続位置において解除釦６０の操作部６１は器体１（ボディ１０）の側面から僅かに突出することになるが、上述のように突部１６を設けてボディ１０の側面との間に段差を形成しているため、電線挿入孔１１が開口する器体１（ボディ１０）の底面側から見たときに、図２３に示すように非接続位置にある解除釦６０の操作部６１が突部１６よりも外側に飛び出して見えるのに対し、接続位置にある解除釦６０の操作部６１は突部１６の陰に隠れて見えなくなり、器体１の底面から見たときの解除釦６０の視認可否によって電線の接続状態が容易に判別できるようになる。
【００４４】
ところで、カバー２０の前壁には一つのプラグに設けた一対の栓刃を挿入することができる差込部２４が１口分形成されている。差込部２４は各刃受３１の刃受ばね３２，３３に対応する部位にそれぞれ開口する挿入口２５よりなり、各挿入口２５は平板状の平型栓刃が差し込まれる平型栓刃挿入口２５ａと、丸ピン状のピン型栓刃が差し込まれるピン型栓刃挿入口２５ｂとを連通させた形状に形成されている。つまり、平型栓刃挿入口２５ａは矩形状であって、長手方向の中間部の一側縁に円状のピン型栓刃挿入口２５ｂが連通した形状になっている。また、平型栓刃挿入口２５ａの中心間の距離よりも、ピン型栓刃挿入口２５ｂの中心間の距離の方が広くなっている。平型栓刃挿入口２５ａに挿入される平型栓刃は刃受ばね３２の側面と刃受ばね３３との間で挟持され、ピン型栓刃挿入口２５ｂに挿入されるピン型栓刃は一対の刃受ばね３２の間で挟持される。
【００４５】
次に、ボディ１０とカバー２０を結合して器体１を組み立てる構造について説明する。すなわち、本実施形態においては、ボディ１０とカバー２０との双方に設けた嵌合部６，７に組立部材５０を凹凸嵌合することでボディ１０とカバー２０とを結合して器体１を組み立てるようになっている。
【００４６】
ボディ１０の長手方向に対向する両側面には、図４に示すように一対の縦溝１５に挟まれた中央部に矩形の嵌合部６が突設され、さらに嵌合部６の前方（図４（ｄ）における上方）には凹溝８が形成されている。一方、カバー２０の長手方向の両側面には、図５に示すようボディ１０の縦溝１５と連通する一対の挿通溝２１が設けられるとともに挿通溝２１に挟まれた中央部からボディ１０の嵌合部６と同形状且つ同寸法の嵌合部７が突設されている。そして、ボディ１０の開口面にカバー２０を突き合わせた状態では、それぞれの嵌合部６，７が凹溝８を挟んで一列に配置されることになる。
【００４７】
組立部材５０は弾性を有する合成樹脂成型品からなり、図６に示すように嵌合部６，７と各々嵌合する嵌合孔５１，５１が器体１の前後方向（図１における上下方向）に並設された短冊状の縦片５２と、縦片５２の先端に中央部が連結された短冊状の横片５３とを有する略Ｔ字形に形成され、器体１と対向する縦片５２の背面側において嵌合孔５１に挟まれた略中央部からは先端に係止爪５４ａを有する係止突片５４が背方へ突設されている。また、横片５３の側面には、埋込型の配線器具を造営面に埋込配設するための取付枠、又は配線器具の取付構造を有したフラッシプレート（以下、単に「プレート」という）が具備する係合孔と係合して器体１を取付枠に取り付ける一対の取付部（取付爪）５５が突設されている。
【００４８】
一方、カバー２０には、ボディ１０の凹溝８から挿入される組立部材５０の係止突片５４先端部に設けた係止爪５４ａが係止する被係止部２６が長手方向両端部近傍の背面側に形成されている（図５（ｄ）参照）。なお、カバー２０の背面側における嵌合部７近傍には後方に向かうにつれて内側に傾斜して係止爪５４ａを被係止部２６に案内するガイド面２７が形成されている。
【００４９】
而して、ボディ１０とカバー２０とを結合して器体１を組み立てるには、図２４（ａ）に示すようにボディ１０とカバー２０を開口面側で突き合わせた状態で係止突片５４を凹溝８に挿入するように組立部材５０を器体１の長手方向に対向する両側面の方へ押しつければ、図２４（ｂ）に示すように組立部材５０の各嵌合孔５１にボディ１０及びカバー２０の嵌合部６，７がそれぞれ嵌合してボディ１０とカバー２０とが結合されると同時に、係止突片５４の先端に設けた係止爪５４ａがカバー２０のガイド面２７に沿うように係止突片５４が後方（ボディ１０側）に撓み、やがて係止爪５４ａがカバー２０の被係止部２６に係止することによって、組立部材５０の嵌合部６，７からの脱落が防止できる。なお、係止突片５４をスムーズに後方に撓ませるために、図２４に示すようにボディ１０のガイド面２７と対向する位置にガイド面２７と略平行に傾斜する傾斜面１０ａを設けることが望ましい。
【００５０】
このように合成樹脂製の組立部材５０を用いてボディ１０とカバー２０とを結合しているから、金属製の組立枠を用いる場合のように組立枠と充電部（刃受ブロック３０）との絶縁距離による設計上の制約が減少し、器体１を形成する材料の選択や器体１の厚み寸法等の設計の自由度が高くなるという利点がある。また、本実施形態ではボディ１０の嵌合部６とカバー２０の嵌合部７をそれぞれ組立部材５０の一対の嵌合孔５１に個別に嵌合しているから、ボディ１０及びカバー２０の嵌合部を同じ嵌合孔に嵌合させる場合に比較してそれぞれの嵌合部６，７の寸法誤差による組立部材５０のがたつきを抑えてボディ１０とカバー２０を強固に結合することができる。また、係止突片５４を組立部材５０の縦片５２における嵌合孔５１に挟まれた部位に設けることで組立部材５０を小型化している。なお、図２５に示すように被係止部２６やガイド面２７をボディ１０に設け、組立部材５０の係止突片５４に設ける係止爪５４ａの向きを逆としても構わない。
【００５１】
ところで、カバー２０の内部には一対の扉１６０，１６０と一対の板ばね１７０，１７０、そして中枠１８０が納められる。中枠１８０は、図１１に示すように一対の貫通孔１８１，１８１と、この貫通孔１８１，１８１の間に位置する溝１８２とを備えたもので、カバー２０内壁に設けられた突起（図示せず）との係合でカバー２０に仮止めすることができるものとなっている。そして、一対の扉１６０，１６０と一対の板ばね１７０，１７０とは中枠１８０とカバー２０の内面との間に配設される。
【００５２】
同形のものとして形成されている一対の扉１６０は、図１２に示すように両側に張り出す翼片１６１，１６１を備え、各翼片１６１，１６１にはそれぞれ傾斜角度が異なる一対の傾斜面１６２，１６３が並設されている。この扉１６０，１６０は、翼片１６１，１６１に挟まれた中央部１６４が中枠１８０の溝１８２に納められるとともに、その外面側とカバー２０の内壁との間に板ばね１７０，１７０が配された状態でカバー２０内に納められ、板ばね１７０，１７０による付勢で両扉１６０，１６０は相互に接する状態となる。
【００５３】
中枠１８０及び扉１６０，１６０を納めたカバー２０を組立部材５０を用いてボディ１０と結合するのであるが、ボディ１０とカバー２０とを組立部材５０で結合して器体１を組み立てた時、中枠１８０の貫通孔１８１内に刃受ブロック３０の刃受３１が位置するとともに、中枠１８０の仕切壁１８０ａがボディ１０の仕切壁１２と係合して、両刃受３１間を分離している。そして、扉１６０，１６０はカバー２０の挿入口２５と刃受３１との間に位置する。
【００５４】
すなわち、一方の扉１６０の翼片１６１は他方の扉１６０の翼片１６１に少し被さることで隙間が両扉１６０，１６０間に生ずることがない状態で両扉１６０，１６０が板ばね１７０，１７０による付勢で接触しているのであるが、このように閉じた扉１６０，１６０が挿入口２５と刃受３１との間に位置して、挿入口２５の奥に位置する刃受３１を隠すことになる。
【００５５】
この状態で、プラグの栓刃を両挿入口２５に差し込めば、各栓刃は扉１６０，１６０の翼片１６１，１６１の傾斜面１６２（又は１６３）を押すことで、扉１６０を板ばね１７０に抗して動かして、両扉１６０，１６０の間を広げるものであり、このために栓刃が刃受３１に差し込まれる。プラグを抜けば、両扉１６０，１６０は板ばね１７０，１７０による付勢で復帰して再度挿入口２５を閉じる状態となる。
【００５６】
上述のように構成される本実施形態のコンセントを壁面などの造営面に施工するには、図２６及び図２７に示すプレート１００を用いる。プレート１００は、器体１を保持するプレート枠１１０と、プレート枠１１０を覆って見栄えよく施工する化粧プレート１２０とからなる。合成樹脂製のプレート枠１１０は絶縁性を有し、一対の枠片１１３ａ，１１３ｂの左端部同士および右端部同士をそれぞれ横片１１２で連続一体に結合することによって、器体１の前面を露出させる長方形状の開口窓１１１を中央部に備えた縦長の矩形枠状に形成されている。開口窓１１１の長手方向に沿った両側縁の後面側にはそれぞれ帯板状の固定梁部１１４と可動梁部１１５とが互いに対向する形で設けてある。
【００５７】
可動梁部１１５は、長手方向の両端部で可動梁部１１５の長手方向に延長された連結部１１６を介して枠片１１３ｂに連続一体に連結され、中間部の２箇所が可動梁部１１５に直交する方向のブリッジ部１１７を介して枠片１１３ｂに連続一体に連結されている。また、各連結部１１６と各ブリッジ部１１７との間および両ブリッジ部１１７の間の部位は表裏に貫通するスリット１１８ａ〜１１８ｃとなっている。プレート枠１１０を形成する合成樹脂は可撓性を有し、可動梁部１１５および連結部１１６が可撓になっている。両側のスリット１１８ａ，１１８ｃはＬ字形に形成され、中間部のスリット１１８ｂは一直線上に形成されている。枠片１１３ｂにおいて各ブリッジ部１１７の近傍には、ブリッジ部１１７に対応する部位でも可動梁部１１５が可撓となるように、表裏に貫通する長孔状の溝１１９をそれぞれ設けてある。
【００５８】
一方、固定梁部１１４および可動梁部１１５において開口窓１１１に臨む一面には、組立部材５０に各一対ずつ突設された取付爪５５と凹凸係合する保持部としての６個の保持溝１１４ａ，１１５ａ（図２６参照）が等ピッチで設けられる。したがって、取付部材５０に設けた取付爪５５を各保持溝１１４ａ，１１５ａに凹凸係合させると、器体１の前面を開口窓１１１から露出させた形でプレート枠１１０に器体１を取着することができる。また、器体１がプレート枠１１０から前方に抜け落ちないように、固定梁部１１４及び可動梁部１１５の基部には組立部材５０の横片５３前面に当接する当接部１１４ｄ，１１５ｄが形成されている。つまり、組立部材５０の横片５３前面が当接部１１４ｄ，１１５ｄ（図２８参照）に当接し、取付爪５５の後面が保持溝１１４ａ，１１５ａに係止されることによって、器体１がプレート枠１１０に取着される。
【００５９】
ここで、固定梁部１１４と可動梁部１１５との開口窓１１１に臨む一面における各先端部分には、器体１の取付爪５５をプレート枠１１０の後面側から保持溝１１４ａ，１１５ａに導入する際に、各取付爪５５を保持溝１１４ａ，１１５ａに誘導するために、先端側ほど互いの距離を広げるように傾斜した傾斜面となった誘導部１１４ｂ，１１５ｂが設けてある。すなわち、図２８（ａ）〜（ｃ）に示すようにプレート枠１１０に器体１を取り付けるには、器体１の一側面に嵌合した組立部材５０の取付爪５５を固定梁部１１４の保持溝１１４ａに係合させておき、器体１の前端部を開口窓１１１にほぼ一致させて器体１をプレート枠１１０に対して前方に押し込むと、器体１の他側面に嵌合した組立部材５０の取付爪５５が可動梁部１１５を撓ませながら傾斜面５４ａと誘導部１１５ｂとによって保持溝１１５ａに追い込まれ、取付爪５５を保持溝１１５ａに容易に係合させることができる。
【００６０】
一方、固定梁部１１４の基部には隣接する各一対の保持溝１１４ａの間でプレート枠１１０の表裏に貫通する器具外し孔１１４ｃが穿設してあって、器体１をプレート枠１１０に取着した状態で、ドライバや取外し専用の治具等の先端部分を器具外し孔１１４ｃに挿入し、治具の先端部分で器体１を可動梁部１１５側へ押すと梃子の原理によってわずかな力で可動梁部１１５を撓ませることができ、固定梁部１１４側の保持溝１１４ａと器体１の取付爪５５との係合状態を解除してプレート枠１１０から器体１を取り外すことができるようになっている。
【００６１】
ところで、上述したように、プレート枠１１０は固定梁部１１４と可動梁部１１５とにそれぞれ３対の保持溝１１４ａ，１１５ａを有し、器体１の上下両側面に嵌合した組立部材５０に一対ずつの取付爪５５が形成されているから、上述の器体１をプレート枠１１０に３個まで取り付けることが可能である。つまり、プレート枠１１０は３個用であって、３個用のプレート枠１１０に最大３個まで取り付けることができるように取付寸法を設定した器体１を単位寸法（以下、「１個モジュール」と呼ぶ）の器体１と呼ぶことにする。このように、器体１とプレート枠１１０との相対的な取付寸法を規定しておくことによって、プレート枠１１０には１〜３個の範囲の任意個数の器体１を取り付けることが可能になる。固定梁部１１４および可動梁部１１５に設けた各保持溝１１４ａ，１１５ａのピッチは１個モジュールの器体１の側面に突設されている取付爪５５のピッチと等しく、かつ上述のように各保持溝１１４ａ，１１５ａは等間隔であるから、１個モジュールの器体１であれば固定梁部１１４および可動梁部１１５の隣接する任意の２個の保持溝１１４ａ，１１５ａを用いてプレート枠１１０に取着することができる。
【００６２】
ところで、プレート枠１１０の各横片１１２の中間部前面にはそれぞれ凹所１３１が形成してある。各凹所１３１には、プレート枠１１０を埋込ボックスに取り付けるためのボックスねじを挿通する長孔状のボックス用孔１３２と、プレート枠１１０を壁面等の施工面に直付けするためのねじが挿通されるねじ挿通孔１３３と、施工面を形成する壁パネル等に取り付ける際に使用するはさみ金具（図示せず）を係止するはさみ金具係止孔１３４とが設けてある。
【００６３】
また、プレート枠１１０の４隅には、化粧プレート１２０の後面から突設した係止突起１２３を係止する化粧プレート係止孔１３５が設けてあり、化粧プレート係止孔１３５に係止突起１２３を挿入係止することでプレート枠１１０の前面を覆う形で化粧プレート１２０を着脱自在に取り付けることができるようになっている。
【００６４】
化粧プレート１２０は、絶縁性を有する合成樹脂を用いて形成されたものであって、プレート枠１１０の前面を覆う矩形状の主部１２１と、主部１２１の周縁から全周に亙って後方に突出する側壁１２２とを連続一体に形成した略箱形に形成される。係止突起１２３は主部１２１の後面側の４隅に突設してある。また、主部１２１の中央部には、プレート枠１１０に取り付けた器体１の前面を露出させる開口窓１２１ａが設けてある。
【００６５】
化粧プレート１２０の側壁１２２のうちの各対向面間の距離は、それぞれプレート枠１１０の対応する部位の幅寸法よりも大きくしてある。すなわち、施工面に配設したプレート枠１１０の前面側に化粧プレート１２０を取着したとき、プレート枠１１０が化粧プレート１２０の内側に収まり、化粧プレート１２０の側壁１２２の先端縁が施工面にほぼ当接する。その結果、プレート枠１１０と化粧プレート１２０との突き合わせ面が施工面よりも前方へ出ることがなく、両者の突き合わせの線が側面からはほとんど見えなくなり外観が向上する。また、化粧プレート１２０の側壁１２２の内側面には、プレート枠１１０の側面に当接してプレート枠１１０に対する化粧プレート１２０の位置ずれを防止する規制リブ１２４を複数列設している。
【００６６】
ところで、プレート枠１１０の両枠片１１３ａ，１１３ｂの外側面には、後方ほど外側に突出するように傾斜する傾斜面１１３ｃと、傾斜面１１３ｃに連続して外側に張り出した張出部１１３ｄとが形成されている。さらに、化粧プレート１２０の上下の側壁１２２の内側面には後端面が張出部１１３ｄの前面に当接するリブ１２５が突設され、このリブ１２５によって化粧プレート１２０のがたつきが防止される。プレート枠１１０に化粧プレート１２０を取り付けるときには、化粧プレート１２０の規制リブ１２４がプレート枠１１０の枠片１１３ａ，１１３ｂに形成した傾斜面１１３ｃに案内されるから、取り付けが容易である。
【００６７】
化粧プレート１２０の上下の一方の側壁１２２には一対の切欠部１２６が設けてあり、この切欠部１２６に治具（マイナスドライバの先端部など）を差し込んで化粧プレート１２０をプレート枠１１０から離す向き（前向き）の力を作用させると、化粧プレート１２０の係止突起１２３とプレート枠１１０の化粧プレート係止孔１３５との係合状態が解除され、化粧プレート１２０をプレート枠１１０から取り外すことができる。プレート枠１１０の枠片１１３ｂにおいて切欠部１２６に対応する位置には傾斜面１１３ｃよりも内側へ窪んだ逃がし部１３６が設けてあり、切欠部１２６に差し込まれた治具を逃がして奥まで挿入できるようにしてあり、化粧プレート１２０を取り外す際に力を作用させやすくしてある。さらに、逃がし部１３６の後面側端部からは張出部１１３ｄよりも薄肉のリブ１３７が、化粧プレート１２０の切欠部１２６から突出しない程度まで延設してある。すなわち、切欠部１２６に差し込んだ治具に施工面に当接する部分を支点として力を加えることで施工面に傷が付くおそれがあるが、リブ１３７を設けていることで切欠部１２６に差し込んだ治具がリブ１３７に当接し、化粧プレート１２０をプレート枠１１０から取り外す際に治具によって施工面に傷が付くのを防ぐことができる。
【００６８】
化粧プレート１２０の後面側には、プレート枠１１０に取着したときにプレート枠１１０に設けた３つのスリット１１８ａ〜１１８ｃにそれぞれ嵌入される突条片１２８ａ〜１２８ｃが列設してある。ここで、各突条片１２８ａ〜１２８ｃの寸法は、プレート枠１１０の各スリット１１８ａ〜１１８ｃに嵌入された状態で、スリット１１８ａ〜１１８ｃの内周面と各突条片１２８ａ〜１２８ｃとの間にわずかな隙間しか生じないような寸法に設定してある。すなわち、器体１を取り付けたプレート枠１１０に化粧プレート１２０を取着した状態では、３つの突条片１２８ａ〜１２８ｃがプレート枠１１０の各スリット１１８ａ〜１１８ｃに嵌入され、スリット１１８ａ〜１１８ｃの内周面と各突条片１２８ａ〜１２８ｃとの間にはわずかな隙間しか生じないことから、プレート枠１１０の可動梁部１１５の動き（撓み）が規制されることになる。その結果、コンセントに差し込まれたプラグを異常に大きな力で引き抜く等の衝撃が加えられた場合でも、上述のように可動梁部１１５の動きが規制されているために器体１の取付爪２と可動梁部１１５および固定梁部１１４の保持溝１１５ａ，１１４ａとの係止が外れにくいのである。
【００６９】
（実施形態２）
実施形態１は、平行平型栓刃を有する所謂Ａタイプのプラグと平行ピン型栓刃を有する所謂ＢＳタイプのプラグの双方が接続可能なタイプ（所謂ユニバーサルタイプ）の差込部２４を１個モジュールの器体１に備えるものであったが、本実施形態は、図２９〜図３１に示すように実施形態１と同じユニバーサルタイプの差込部２４と、所謂Ｏ（オウ）タイプの接地極付きプラグが接続される差込部２４’とを３個モジュール（つまり、１個モジュールの３倍の取付寸法）の器体１に備えている。Ｏタイプの差込部２４’は接地極を含む３つの平型栓刃が挿入される３個の平型栓刃挿入口２５ａ’，２５ａ’，２５ｂ’を有し、接地極の平型栓刃が挿入される平型栓刃挿入口２５ｂ’の両側に残り（電圧極）の平型栓刃挿入口２５ａ’，２５ａ’が逆ハ字形に配置されている。
【００７０】
図３２に示すように、ボディ１０の内部は長手方向に沿って設けられた複数の仕切壁１２により内部空間が３分されており、後述するようにカバー２０内に収納される中枠２６０でボディ１０の前面が覆われることによって器体１の内部空間が独立した３室（収納室１３ａ，１３ｂ，１３ｃ）に分割される。また、両端の収納室１３ａ，１３ｂはスリット１２ａを有した一対の仕切壁１２ｂによりさらにボディ１０の長手方向に沿って３室に分割されている。
【００７１】
ボディ１０内において両端の収納室１３ａ，１３ｂには電圧極用の栓刃ブロック３０Ａ，３０Ｂがそれぞれ収納される。栓刃ブロック３０Ａ，３０Ｂは、ユニバーサルタイプの差込部２４に対応する刃受３１Ａと、Ｏタイプの差込部２４’の電圧極に対応する刃受３１Ｂとが端子板４１の両側に結合されて構成される。但し、一方の収納室１３ａに収納される栓刃ブロック３０Ａと、他方の収納室１３ｂに収納される栓刃ブロック３０Ｂとは鏡像の関係にあるので栓刃ブロック３０Ａについてのみ説明する。
【００７２】
ユニバーサルタイプの刃受３１Ａは実施形態１における刃受３１とほぼ共通の構造を有しており、図３５に示すように互いに対向する先端部にて栓刃を挟持する一対の刃受ばね３２と、両刃受ばね３２の一方の側面同士を連続一体に結合するコ字状の連結片３４と、連結片３４より突出し両刃受ばね３２の前記側面に対向する刃受ばね３３とを備える。また、一方の刃受ばね３２の基端側の側縁からは略鈎形の脚片３５が延設され、脚片３５の先端には一対のかしめ用突起３６ａが列設された結合片３６が設けてある。
【００７３】
Ｏタイプの電圧極用の刃受３１Ｂは、図３６に示すように互いに対向する先端部にて栓刃を挟持する一対の刃受ばね３２と、両刃受ばね３２の一方の側面同士を連続一体に結合するコ字状の連結片３４と、一方の刃受ばね３２の基端側の側縁から延設される帯状の脚片３５と、一対のかしめ用突起３６ａが列設されて脚片３５の先端に設けられる結合片３６とを備える。
【００７４】
端子板４１は、図３７に示すように略Ｔ字形の主片４２と、主片４２の幅細の一端側における両側縁から後方へ垂下された一対の接触片４３と、主片４２の幅太の他端側における両側縁から後方へ垂下された略Ｊ字形の一対の鎖錠片４４と、両鎖錠片４４の側端縁からそれぞれ側方へ突出する固定片（結合部）４５とを有し、弾性を有する帯状の金属板を加工して接触片４３の先端部と鎖錠片４４の先端部がそれぞれ交差するように折り曲げて一体に形成される。すなわち、本実施形態における端子板４１は、実施形態１における２つの端子板４１（各端子板４１は鏡像の関係にある）を互いの主片４２で連結した形状となっており、接触片４３には接触部４３ａと一対の押圧部４３ｂ，４３ｃが設けられ、鎖錠片４４には鎖錠部４４ａと曲げ部４４ｂが設けられている。なお、本実施形態における端子板４１も実施形態１のものと同様に接触片４３の幅寸法を鎖錠片４４の幅寸法よりも狭く（およそ半分）に設定することで解除釦６０による解除操作のスペースを確保している。さらに、固定片４５には刃受３１Ａ，３１Ｂの結合片３６に列設されている一対のかしめ用突起３６ａが挿通される挿通孔４５ａが貫設されており、これら一対の挿通孔４５ａに挿通したかしめ用突起３６ａをかしめることで一方の固定片４５に刃受３１Ａの結合片３６が固定されるとともに他方の固定片４５に刃受３１Ｂの結合片３６が固定されて刃受ブロック３０Ａが構成される。このように本実施形態では、端子板４１を介して電線と導通する部品であり且つ配線器具の種類に応じた固有の部品（本実施形態では刃受３１Ａ，３１Ｂ）を結合するための結合部（固定片４５）を端子板４１に設けているので、上記固有部品がコンセント以外の配線器具の部品であっても端子板４１を共通に使用することができてコストダウンが図れる。なお、固定片４５と結合片３６との結合方法は上述のかしめに限定されるものではなく、接着や溶接等の種々の結合方法に対応可能である。
【００７５】
而して、上述のように構成される電圧極用の刃受ブロック３０Ａ，３０Ｂは、図３４に示すように各刃受３１Ａ，３１Ｂを長手方向両端の区画にそれぞれ収納し、端子板４１を長手方向中央の区画に収納するようにしてボディ１０両端の収納室１３ａ，１３ｂに納められる。
【００７６】
一方、ボディ１０内において中央の収納室１３ｃにはＯタイプの接地極用の栓刃ブロック３０Ｃが収納される。接地極用の栓刃ブロック３０Ｃは、Ｏタイプの差込部２４’に対応する接地極の刃受３１Ｃが端子板４１’に結合されて構成される。
【００７７】
Ｏタイプの接地極用の刃受３１Ｃは、図３８に示すように互いに対向する先端部にて栓刃を挟持する一対の刃受ばね３２と、両刃受ばね３２の後端縁を連続一体に結合する連結片３４と、連結片３４の側縁から延設され略鈎形に折曲された帯状の脚片３５と、かしめ用突起３６ａ並びに位置決め用孔３６ｂが列設されて脚片３５の先端に設けられる結合片３６とを備える。
【００７８】
端子板４１’は電圧極用の端子板４１から固定片４５を除いた形状にほぼ等しく、図３９に示すように主片４２と、一対の接触片４３並びに鎖錠片４４とを備え、接触片４３には接触部４３ａと一対の押圧部４３ｂ，４３ｃが設けられるとともに、鎖錠片４４には鎖錠部４４ａと曲げ部４４ｂが設けられている。また、主片４２には刃受３１Ｃの結合片３６に設けられたかしめ用突起３６ａが挿通されるかしめ用孔４２ａが貫設されるとともに、位置決め用孔３６ｂに嵌合する位置決め突起４２ｂが突設されている。
【００７９】
したがって、刃受３１Ｃの結合片３６に貫設されている位置決め用孔３６ｂに端子板４１’の主片４２に突設されている位置決め突起４２ｂを嵌合して端子板４１’と刃受３１Ｃを位置決めするとともに、結合片３６に突設されているかしめ用突起３６ａを主片４２に貫設されているかしめ用孔４２ａに挿通してかしめることで端子板４１’の主片４２と刃受３１Ｃの結合片３６が結合されて刃受ブロック３０Ｃが構成される。
【００８０】
而して、上述のように構成される接地極用の刃受ブロック３０Ｃは、図３４で示すように刃受３１Ｃを図中下側にしてボディ１０中央の収納室１３ｃに納められる。ここで、図４０（ｂ）に示すように端子板４１の主片４２にかしめ用及び位置決め用の２つの孔４２ｂを列設する構造では、孔４２ｂを設けるための加工用の凹部同士の間隔が非常に狭くなって主片４２の強度が低下してしまう虞があり、強度を確保するためには主片４２の寸法を大きくしなければならない。これに対して本実施形態では、かしめ用突起３６ａと位置決め用孔３６ｂを刃受３１Ｃの結合片３６に設け、かしめ用孔４２ａ及び位置決め用突起４２ｂを端子板４１の主片４２に設けているので、かしめ用孔４２ａと位置決め用突起４２ｂの間隔が広くとれて主片４２を大型化することなく強度低下を防ぐことができる（図４０（ａ）参照）。
【００８１】
なお、本実施形態では別体に形成された端子板４１と刃受３１Ａ，３１Ｂを結合して刃受ブロック３０Ａ，３０Ｂを構成しているが、図４１に示すように刃受３１Ａ，３１Ｂと端子板４１を金属部材を加工して一体に形成すれば、かしめ等の結合作業が不要となる利点がある。ここで、刃受３１Ａ，３１Ｂの構造として、例えば、図４１に示すように一対の刃受ばね３２をその後端縁、すなわち栓刃の差込方向において栓刃の先端に連結片３４が対向するように連結する構造や、図４２（ｂ）及び（ｃ）に示すように一対の刃受ばね３２をその側端縁、すなわち連結片３４が栓刃の差込方向に沿うように連結する構造が考えられるが、前者の構造では後者の構造に比較して刃受ばね３２のばね性において優れ、後者の構造では前者の構造に比較して金属部材から打ち抜き加工する際の所謂板取りにおいて優れており、必要な性能に鑑みて何れかの構造を適宜選択して組み合わせればよい。また、図４２（ａ）に示すように前者の構造においてユニバーサルタイプの刃受３１Ａの刃受ばね３３を片方の刃受ばね３２の側端縁に連結する構造としてもよい。
【００８２】
図３２に示すように、ボディ１０の底壁の長手方向略中央にはそれぞれ３つの収納室１３ａ，１３ｂ，１３ｃに連通する各一対の電線挿入孔１１が貫設されており、電線挿入孔１１を通して接触片４３と鎖錠片４４の間に電線を挿入すれば、実施形態１で説明したように鎖錠片４４の鎖錠部４４ａが電線に食い込んで抜け止めされるとともに鎖錠片４４のばね力によって電線が接触片４３の接触部４３ａに弾接し、さらに一対の押圧部４３ｂ，４３ｃによって鎖錠片４４の方へ電線が押圧され、鎖錠部４４ａと一対の押圧部４３ｂ，４３ｃの押圧力が均衡して電線が狭持される。
【００８３】
ここで、端子板４１，４１’においては各一対の接触片４３及び鎖錠片４４が主片４２の両端に離間して設けられており、これに対応して各一対の電線挿入孔１１も所定の距離だけ離して設けられている。したがって、送り配線のために各端子板４１，４１’に２本の電線を接続する際、隣り合う２つの電線挿入孔１１が離れているから電線を１本ずつ確実に接続することができるものである。これに対して、図４３に示すように２つの接触片４３を端子板４１，４１’の中央部に近接して配置し、図４４に示すように２つの接触片４３に対応する２つの電線挿入孔１１を部分的に連通させてボディ１０に設けるようにすれば、端子板４１，４１’に２本の電線を一緒に各電線挿通孔１１に挿入して同時に接続することができるという利点がある。
【００８４】
ところで、本実施形態においては、端子板４１とともに電圧極用の端子部４０を構成する解除釦８０と、端子板４１’とともに接地極用の端子部４０を構成する解除釦２００とは異なる形状に形成されている。但し、後述するように隣り合って配置される解除釦８０又は２００同士は鏡像の関係にあり、以下では一方の形状についてだけ説明する。
【００８５】
電圧極用の解除釦８０は合成樹脂成型品からなり、図４５に示すように角柱状の操作部８１と、操作部８１の一端側から操作部８１の長手方向に延長され且つ操作部８１の短手方向に突出する駆動部８２と、操作部８１の他端部近傍から駆動部８２と同一方向に突出する腕部８３とが一体に形成されている。腕部８３は操作部８１の幅寸法よりも小さい幅寸法に形成されており、その先端には駆動部８２の方へ突出する押動突部８４が一体に形成されている。また、駆動部８２は腕部８３に比較して操作部８１からの突出量が大きくなっており、腕部８３と対向する内側面には下方及び一側面に開放する凹所８２ａが形成されている。腕部８３と対向する凹所８２ａの底面には、先端から操作部８１に向かって徐々に腕部８３から遠ざかる向きに傾斜する傾斜面８２ｂが形成されている。なお、駆動部８２の先端部分の外側面には腕部８３と反対側に突出する位置決め部８５が突設されている。
【００８６】
一方、ボディ１０の短手方向の両側面には、各収納室１３ａ，１３ｂと通じる縦溝１５が各一対ずつ並設されており、この縦溝１５に操作部８１を挿通するようにして解除釦８０がボディ１０内の各収納室１３ａ，１３ｂにおいて端子板４１に対向して配設される（図３４参照）。ここで解除釦８０は、腕部８３が端子板４１の鎖錠片４４における接触片４３と対向しない部位に対向し、ボディ１０の電線挿入孔１１と駆動部８２の凹所８２ａとが対向し、且つ操作部８１が縦溝１５から進退自在に突出するように収納室１３ａ，１３ｂ内に移動自在に配置されている。なお、既に説明したように接触片４３の幅寸法を鎖錠片４４の幅寸法よりも狭くしているから、腕部８３と鎖錠片４４の対向面積を広くとることができるようになっている。また、操作部８１を縦溝１５から突出する向きに弾性付勢して解除釦８０を電線が接続されていないときの位置（非接続位置）に復帰させる復帰ばね９０が各収納室１３ａ，１３ｂに収納されている。
【００８７】
復帰ばね９０は、図４６に示すように先端が略直角に折り曲げられ、後端部が略へ字形に折り曲げられた一対のばね片９１と、ばね片９１の後端部の片側側縁より先端側へ突出する固定部９２と、ばね片９１を後端部の側縁で連結する連結片９２とが一体に形成されてなる。固定部９２は先端部が略Ｕ字形に湾曲し、図４７に示すように端子板４１の鎖錠片４４における主片４２近傍の部位に設けられた切り欠きからなる被固定部４６を挟み込んで復帰ばね９０を端子板４１に固定（仮固定）するものである。そして、端子板４１に復帰ばね９０を仮固定した刃受ブロック３０Ａ，３０Ｂを収納室１３ａ，１３ｂ内に収納すると、ボディ１０内壁に端子板４１が当接してばね片９１の後端部が狭持され、復帰ばね９０が端子板４１に本固定される（図３４参照）。さらに解除釦８０を収納室１３ａ，１３ｂ内に配設すれば、復帰ばね９０のばね片９１の先端部が解除釦８０の駆動部８２の先端にそれぞれ当接し、ばね片９１のばね力により、非接続位置（ボディ１０の縦溝１５から操作部８１が突出した位置）に復帰する向きに解除釦８０が弾性付勢される。なお、解除釦８０の器体１に対する抜け止めは、カバー２０の内壁面に駆動部８２に設けた位置決め部８５を当接させることで行われる。ここで、端子板４１には矩形の貫通孔からなり、被固定部４６と対になる被固定部４６’が設けてあり、図４８に示すようにばね片９１を１つだけ備える復帰ばね９０’を用いる場合に、復帰ばね９０’の固定部９２で対となる被固定部４６，４６’を挟み込んで仮固定するようにしているから、２つのばね片９１，９１を一体とした復帰ばね９０とばね片９１を一つだけ具備する復帰ばね９０’の両方が同じ端子板４１に取り付けることが可能となり、部品の共通化によるコストダウンが図れるとともに配線器具の構成の幅を広げることができる。
【００８８】
而して、電線挿入孔１１を通して端子板４１の接触片４３と鎖錠片４４の間に電線を挿入して端子部４０（端子板４１）に電線を接続すると、電線の先端が解除釦８０の駆動部８２の凹所８２ａに形成された傾斜面８２ｂに当接し、電線の挿入力（電線の挿入向きにはたらく力）によって、駆動部８２がカバー２０に近付く向き及び操作部８１が器体１内に進入する向きに解除釦８０が押駆動される。その結果、端子部４０に電線が接続された状態では、操作部８１の一部が器体１内部に引き込まれた位置（接続位置）まで移動することになる。つまり、解除釦８０の操作部８１が非接続位置と接続位置の間で移動自在となっており、操作部８１の位置（非接続位置又は接続位置）によって電線が端子板４１と接続されているか否かを確認することができるのである。
【００８９】
なお、ボディ１０の短手方向両側面における縦溝１５の後端近傍の部位にはボディ１０の短手方向に突出する突部１６が突設されてボディ１０の側面との間に段差が形成されている。すなわち、接続位置において解除釦８０の操作部８１は器体１（ボディ１０）の側面から僅かに突出することになるが、突部１６を設けてボディ１０の側面との間に段差を形成しているため、電線挿入孔１１が開口する器体１（ボディ１０）の底面側から見たときに非接続位置にある解除釦８０の操作部８１が突部１６よりも外側に飛び出して見えるのに対し、接続位置にある解除釦８０の操作部８１は突部１６の陰に隠れて見えなくなり、器体１の底面から見たときの解除釦８０の視認可否によって電線の接続状態が容易に判別できるようになる。また、解除釦８０の操作部８１をボディ１０と異なる色に着色すれば、解除釦８０の位置が視認し易くなるという利点がある。
【００９０】
一方、端子部４０に接続されている電線を引き抜くには、縦溝１５を通して器体１の側面に露出している操作部８１を指で押操作し、接続位置からさらに器体１内部に解除釦８０を移動させると、解除釦８０の腕部８３先端に突設されている押動突部８４で端子板４１の鎖錠部４４ａの先端を押圧することにより、電線に食い込んでいる鎖錠部４４を電線から離すように鎖錠片４４を撓ませて電線の引き抜きが可能となる。また、電線を引き抜いた後に操作部８１の押操作を止めれば、復帰ばね９０のばね力によって解除釦８０が移動し、操作部８１が非接続位置に自動的に復帰する。なお、本実施形態においては、押動突部８４が設けられた解除釦８０の一端側に操作部８１が設けてあるので、解除釦８０の操作位置（操作部８１）と腕部８３との距離が近くなって鎖錠部４４ａを押圧するのに必要な操作量を低減して解除釦８０の操作性が向上するものである。
【００９１】
ところで本実施形態においては、解除釦８０をボディ１０の収納室１３ａ，１３ｂに組み込む際、図４９に示すように押動突部８４を端子板４１における２つの接触片４３の基端間に設けられた係合部４８に係合させて端子板４１に仮止めしている。このとき、係合部４８に対向する鎖錠片４４の鎖錠部４４ａが押動突部８４に当接し、蛍光部４８と鎖錠部４４ａで押動突部８４を狭持して解除釦８０を確実に仮止めするようにしている。つまり、解除釦８０は端子板４１に取り付けられた復帰ばね９０によって付勢されるため、このように仮止めしないと姿勢が安定せずに組み込み作業性が低下することになるからであり、仮止めすることで解除釦８０の組み込み作業性が向上できるものである。なお、押動突部８４の先端部における操作部８１との対向面には先端に向かって操作部８１から離れる向きに傾斜するガイド面８４ａが形成されており（図４５参照）、押動突部８４を係合部４８に係合する際にガイド面８４ａと係合部４８が摺接して押動突部８４が鎖錠部４４ａの方へ案内されるから仮止め作業が容易に行えるものである。そして、解除釦８０をボディ１０に組み込んだ後に端子板４１を解除釦８０の駆動部８２に近づく向き（図４９（ｂ）における上向き）に押すと、係合部４８がガイド面８４ａに摺接しながら反係合向きに移動して押動突部８４との係合が外れ、端子板４１に対する解除釦８０の仮止め状態が解除されることになる。
【００９２】
一方、接地極用の解除釦２００も合成樹脂成型品からなり、図５０に示すように略矩形の操作部２０１と、操作部２０１の一側面における一端から側方へ突出する駆動部２０２と、前記側面における他端から側方へ突出する腕部２０３と、腕部２０３の先端から駆動部２０２の方へ突出する押動突部２０４とが一体に形成されている。腕部２０３は操作部２０１の幅寸法よりも狭い幅寸法に形成されている（図５０（ｂ）参照）。また駆動部２０２は、腕部２０３に比較して操作部２０１からの突出量が大きくなっており、腕部２０３と対向する内側面（図５０（ａ）における下面）には下方及び一側方に開放する凹所２０２ａが形成されている。腕部２０３と対向する凹所２０２ａの底面には、先端から操作部２０１に向かって徐々に腕部２０３から遠ざかる向きに傾斜する傾斜面２０２ｂが形成されている。また、駆動部２０２における復帰ばね９０のばね片９１先端が当接する面２０２ｃを復帰ばね９０の付勢向きにくぼんだ形状としてある。さらに、操作部２０１の駆動部２０２が突出する一端の外側面には、収納室１３ｃに収納されたときに刃受ブロック３０Ｃの刃受３１Ｃを逃がす逃がし部２０５が凹設されており、解除釦２００が刃受３１Ｃと干渉するのを防ぐと同時に解除釦２００と刃受３１Ｃとの距離を近づけて器体１の小型化が図れる（図３４参照）。
【００９３】
ところで、図３２に示すようにボディ１０底面においては、長手方向両端中央の電線挿入孔１１が設けられた部位には後方へ突出する突台部２が設けられ、さらにこれら突台部２の間、すなわちボディ１０底面の略中央にも突台部２よりも僅かに後方へ突出した突台部３が設けられており、この中央の突台部３にボディ１０内の収納室１３ｃに貫通する電線挿入孔１１が設けられている。なお、両端の突台部２はボディ１０の短手方向両側面の中央に突設されている突部１６と一体に形成されている。また、ボディ１０底面中央における突台部２，３に囲まれた部位にはボディ１０の内側にくぼんだ凹所４が設けられ、突台部３の凹所４に臨む側面から凹所４の底面に渡って収納室１３ｃに通じる一対の挿通溝５が形成されている。そして、これらの挿通溝５に操作部２０１を挿通するようにして解除釦２００がボディ１０内の収納室１３ｃにおいて端子板４１’に対向して配設され、端子板４１’に取り付けられた復帰ばね９０により操作部２０１が挿通溝５から突出する向きに弾性付勢されて収納室１３ｃに収納されている。（図５１参照）。なお、解除釦２００をボディ１０に組み込む際に駆動部２０２が端子板４１’から離れる向きに解除釦２００が倒れるのを防止するため、図５１（ａ）に示すようにボディ１０の収納室１３ｃには解除釦２００に当接して支持する倒れ防止手段たるリブ１７が設けられており、解除釦２００の倒れを防いで組立作業性の向上が図られている。
【００９４】
而して、電線挿入孔１１を通して端子板４１’の接触片４３と鎖錠片４４の間に電線を挿入して端子板４１’に電線を接続すると、電線の先端が解除釦２００の駆動部２０２の凹所２０２ａに形成された傾斜面２０２ｂに当接し、電線の挿入力によって、駆動部２０２がカバー２０に近付く向き及び操作部２０１が器体１内に進入する向きに解除釦２００が押駆動される。その結果、端子板４１’に電線が接続された状態では、操作部２０１の一部が器体１内部に引き込まれた位置（接続位置）まで移動することになる（図５１（ｂ）参照）。つまり、解除釦２００の操作部２０１が非接続位置と接続位置の間で移動自在となっており、操作部２０１の位置（非接続位置又は接続位置）によって電線が端子板４１’と接続されているか否かを確認することができる。また、解除釦２００が器体１の前後方向及び長手方向の２つの方向に移動自在としてあるから、１つの方向のみで移動する場合に比較して視認性が向上するものである。なお、解除釦２００の操作部２０１をボディ１０と異なる色に着色すれば、解除釦２００の位置が視認し易くなる。
【００９５】
一方、端子板４１’に接続されている電線を引き抜くには、挿通溝５を通して器体１底面の凹所４に露出している操作部２０１を指で押操作し、接続位置からさらに器体１内部に解除釦２００を移動させると、解除釦２００の腕部２０３先端に突設されている押動突部２０４で端子板４１’の鎖錠部４４ａの先端を押圧することにより、電線に食い込んでいる鎖錠部４４ａを電線から離すように鎖錠片４４を撓ませて電線の引き抜きが可能となる。また、電線を引き抜いた後に操作部２０１の押操作を止めれば、復帰ばね９０のばね力によって解除釦２００が移動し、操作部２０１が非接続位置に自動的に復帰する。なお、凹所４によって操作部２０１を操作するスペースが確保でき、その結果、接地極用の端子部４０が器体１の底面から突出する量、つまり突台部３の器体１底面からの突出量を抑えて器体１の小型化が図れるものである。また本実施形態では、凹所４の周面（突台部２，３の凹所４に臨む側面）を凹所４の底面に向けて凹所４側に傾斜する傾斜面２ａ，３ａとし、凹所４の開口面積を広げて指を入れ易くし解除釦２００の操作性を向上させている。
【００９６】
既に説明したようにカバー２０の前壁にはユニバーサルタイプの差込部２４とＯタイプの差込部２４’が形成されている。そして、ボディ１０とカバー２０との双方に設けた嵌合部６，７に組立部材２１０を凹凸嵌合することでボディ１０とカバー２０とを結合して器体１が組み立てられる。
【００９７】
ボディ１０の短手方向に対向する両側面には、図３２に示すように一対の縦溝１５が設けられた中央部を挟んだ両側に矩形の嵌合部６がそれぞれ突設され、さらに各嵌合部６の前方（図３２（ｂ）における左方）には凹溝８がそれぞれ形成されている。一方、カバー２０の短手方向の両側面には、図３３に示すようボディ１０の縦溝１５と連通する一対の挿通溝２１が長手方向の中央部に設けられるとともに挿通溝２１を挟んだ両側にボディ１０の嵌合部６と同形状且つ同寸法の嵌合部７がそれぞれ突設されている。そして、ボディ１０の開口面にカバー２０を突き合わせた状態では、それぞれの嵌合部６，７が凹溝８を挟んで一列に配置されることになる。
【００９８】
組立部材２１０は弾性を有する合成樹脂成型品からなり、図２９及び図３０に示すように嵌合部６，７と各々嵌合する一対の嵌合孔２１１が器体１の前後方向（図２９における上下方向）に並設された短冊状の一対の結合片２１２と、両結合片２１２の先端にそれぞれ端部が連結された帯状の横片２１３とを有する略コ字形に形成され、器体１と対向する結合片２１２の背面側において嵌合孔２１１に挟まれた略中央部からは先端に係止爪２１４ａを有する係止突片２１４が背方へ突設されている。また、各嵌合片２１１には取付枠やプレートの係合孔と係合する取付爪２１５が嵌合孔２１１と一列に並ぶように外向きに突設されている。
【００９９】
一方、カバー２０には、ボディ１０の凹溝８から挿入される組立部材２１０の係止突片２１４先端部に設けた係止爪２１４ａが係止する被係止部２６が短手方向に対向する両側壁に形成されている（図３３参照）。なお、カバー２０の両側壁の内側における嵌合部７近傍には内側に向かうにつれて後方へ傾斜して係止爪２１４ａを被係止部２６に案内するガイド面２７が形成されている。
【０１００】
而して、ボディ１０とカバー２０とを結合して器体１を組み立てるには、ボディ１０とカバー２０を開口面側で突き合わせた状態で係止突片２１４を凹溝８に挿入するように組立部材２１０を器体１の短手方向両側面の方へ押しつければ、組立部材２１０の各嵌合孔２１１にボディ１０及びカバー２０の嵌合部６，７がそれぞれ嵌合してボディ１０とカバー２０とが結合されると同時に、係止突片２１４の先端に設けた係止爪２１４ａがカバー２０のガイド面２７に沿うように係止突片２１４が後方（ボディ１０側）に撓み、やがて係止爪２１４ａがカバー２０の被係止部２６に係止することによって、組立部材２１０の嵌合部６，７からの脱落が防止できる。なお、横片２１３の中央部は器体１の側面に露出する解除釦８０を逃げるために屈曲させてある。
【０１０１】
ところで、カバー２０の内部にはユニバーサルタイプの差込部２４を開閉自在に閉塞する第１の扉２４０と、Ｏタイプの差込部２４’を開閉自在に閉塞する第２の扉２５０と、ボディ１０前面とカバー２０の前壁との間に配設され、第１及び第２の扉２４０，２５０をカバー２０の内側に収納するようにしてスライド移動自在に支持する中枠２６０とが納められる。すなわち、差込部２４，２４’に差し込まれた栓刃の先端に押されて第１及び第２の扉２４０，２５０が中枠２６０に支持された状態でスライド移動することで差込部２４，２４’を開き、中枠２６０に貫設されている栓刃挿通孔２６１等を通して栓刃が刃受３１Ａ，３１Ｂに接続可能となる。また、栓刃を差込部２４，２４’から引き抜くとコイルばねからなる復帰ばね２５４によって第１及び第２の扉２４０，２５０がスライド移動して元の位置、すなわち差込部２４，２４’を閉じる位置に復帰し、プラグの栓刃以外の異物が差込部２４，２４’に差し込まれるのを防ぐことができる。
【０１０２】
また、本実施形態も実施形態１と同様にプレート１００を用いて壁面などの造営面に埋込配設される。このとき、器体１背面の突台部３が凹所４に対して鉛直上方に位置する向き、すなわち、ユニバーサルタイプの差込部２４がＯタイプの差込部２４’の上に位置する向きに埋込配設された場合、凹所４の鉛直上方が突台部３（端子部）によって遮られるため、埃などが凹所４に溜まるのを抑えることができる。また、施工現場においてはプレート枠１１０に器体１を取り付けた状態で電線を接続する場合があるが、この場合に器体１から突出している解除釦８０の操作部８１がプレート枠１１０に干渉して正規の非接続位置まで移動できないと電線の接続作業が困難になる虞がある。そこで本実施形態では、解除釦８０の駆動部８２の背面（縦溝１５から器体１の外に露出する面）を傾斜させることでプレート枠１１０を逃げるようにしている（図５２参照）。
【０１０３】
ところで、電圧極用の解除釦８０は非接続位置において器体１の外へ突出しているため、実際に施工されるまでの間に解除釦８０と器体１とのすきまから埃が進入する虞がある。そこで、実際に施工されるまでの間だけ、図５３（ａ）に示すように円筒形の軸部２８１の後端に軸部２８１よりも径の大きい円盤状の頭部２８２が設けられた固定ピン２８０を電線挿入孔１１に挿入して解除釦８０を接続位置に固定すれば、解除釦８０と器体１のすきまが狭められるから埃の進入を抑えることができる（図５３（ｂ）参照）。そして、実際の施工時には固定ピン２８０を抜いて電線を接続すればよい。
【０１０４】
（実施形態３）
実施形態２はユニバーサルタイプの差込部２４とＯタイプの接地極付きの差込部２４’を３個モジュールの器体１に備えるものであったが、本実施形態は、図５４〜図５６に示すようにＯタイプの接地極付きの差込部２４’を３個モジュールの器体１に２つ備えたものである。
【０１０５】
図５７に示すように、ボディ１０の内部は仕切壁１２により内部空間が３分されており、カバー２０内に収納される中枠２６０’でボディ１０の前面が覆われることによって器体１の内部空間が独立した３つの収納室１３ａ，１３ｂ，１３ｃに分割される。また、両端の収納室１３ａ，１３ｂはスリット１２ａを有した一対の仕切壁１２ｂによりさらにボディ１０の長手方向に沿って３室に分割されている。
【０１０６】
ボディ１０内において両端の収納室１３ａ，１３ｂには電圧極用の刃受ブロック３０Ａ，３０Ｂがそれぞれ収納される。刃受ブロック３０Ａ，３０Ｂは、端子板４１の固定片４５にそれぞれＯタイプの刃受３１Ｂがそれぞれ固定されて構成され、各刃受３１Ｂを長手方向両端の区画にそれぞれ収納し、端子板４１を長手方向中央の区画に収納するようにしてボディ１０両端の収納室１３ａ，１３ｂに納められる。
【０１０７】
一方、ボディ１０内において中央の収納室１３ｃには接地極用の刃受ブロック３０Ｃが収納される。この刃受ブロック３０Ｃは、Ｏタイプの２つの刃受３１Ｂが脚片３５によって連結され、この脚片３５に設けられた結合片３６で端子板４１’に固定される。すなわち、結合片３６に貫設されている位置決め用孔３６ｂに端子板４１’の主片４２に突設されている位置決め突起４２ｂを嵌合して端子板４１’と刃受３１Ｃを位置決めするとともに、結合片３６に突設されているかしめ用突起３６ａを主片４２に貫設されているかしめ用孔４２ａに挿通してかしめることで端子板４１’の主片４２と刃受３１Ｃの結合片３６が結合されて刃受ブロック３０Ｃが構成される。
【０１０８】
なお、図５９（ａ）に示すように刃受３１Ｂと端子板４１を金属部材を加工して一体に形成すれば、かしめ等の結合作業が不要となる利点がある。ここで、刃受３１Ｂの構造として、例えば、図５９（ａ）に示すように一対の刃受ばね３２をその後端縁、すなわち栓刃の差込方向において栓刃の先端に連結片３４が対向するように連結する構造や、図５９（ｂ）に示すように一対の刃受ばね３２をその側端縁、すなわち連結片３４が栓刃の差込方向に沿うように連結する構造が考えられるが、前者の構造では後者の構造に比較して刃受ばね３２のばね性において優れ、後者の構造では前者の構造に比較して金属部材から打ち抜き加工する際の所謂板取りにおいて優れており、必要な性能に鑑みて何れかの構造を適宜選択して組み合わせればよい。
【０１０９】
各収納室１３ａ〜１３ｃには端子板４１，４１’とともに解除釦８０，２００が収納されて端子部４０が構成されるが、これら端子部４０の構成は実施形態２と共通であるから説明を省略する。
【０１１０】
本実施形態における組立部材２２０は弾性を有する合成樹脂成型品からなり、図６０に示すように嵌合部６，７と嵌合する一対の嵌合孔２２１が器体１の前後方向（図６０における上下方向）に並設された短冊状に形成され、器体１と対向する背面側において嵌合孔２２１に挟まれた略中央部からは先端に係止爪２２４ａを有する係止突片２２４が背方へ突設されるとともに、取付枠やプレートの係合孔と係合する取付爪２２５が嵌合孔２２１と一列に並ぶように外向きに突設されている。
【０１１１】
而して、ボディ１０とカバー２０を開口面側で突き合わせた状態で係止突片２１４を凹溝８に挿入するように組立部材２２０を器体１の短手方向両側面の方へ押しつければ、組立部材２２０の各嵌合孔２２１にボディ１０及びカバー２０の嵌合部６，７がそれぞれ嵌合してボディ１０とカバー２０とが結合されると同時に、係止突片２２４の先端に設けた係止爪２２４ａがカバー２０のガイド面２７に沿うように係止突片２２４が後方（ボディ１０側）に撓み、やがて係止爪２２４ａがカバー２０の被係止部２６に係止することによって、組立部材２２０の嵌合部６，７からの脱落が防止できる。
【０１１２】
また、カバー２０の内部にはＯタイプの差込部２４’を開閉自在に閉塞する２つの扉２５０と、ボディ１０前面とカバー２０の前壁との間に配設され、扉２５０をカバー２０の内側に収納するようにしてスライド移動自在に支持する中枠２６０’とが納められる。すなわち、差込部２４’に差し込まれた栓刃の先端に押されて扉２５０が中枠２６０’に支持された状態でスライド移動することで差込部２４’を開き、中枠２６０’に貫設されている栓刃挿通孔２６１’を通して栓刃が刃受３１Ｂに接続可能となる。また、栓刃を差込部２４’から引き抜くとコイルばねからなる復帰ばね２５４によって扉２５０がスライド移動して元の位置、すなわち差込部２４’を閉じる位置に復帰し、プラグの栓刃以外の異物が差込部２４’に差し込まれるのを防ぐことができる。
【０１１３】
なお、図６１に示すように組立部材２２０の取付爪２２５が設けられている側の端部の幅寸法を他の部位の幅寸法よりも狭くすれば、ボディ１０及びカバー２０に対する組立部材２２０の嵌合向きが分かり易くなり作業性が向上するという利点がある。
【０１１４】
（実施形態４）
実施形態３はＯタイプの接地極付きの差込部２４’を３個モジュールの器体１に２つ備えるものであったが、本実施形態は、図６２〜図６４に示すようにＯタイプの接地極付きの差込部２４’を２個モジュールの器体１に１つだけ備えたものである。
【０１１５】
図６５に示すように、ボディ１０の内部は仕切壁１２により内部空間が３分されており、カバー２０内に収納される中枠２６０”でボディ１０の前面が覆われることによって器体１の内部空間が独立した３つの収納室１３ａ，１３ｂ，１３ｃに分割される。また、両端の収納室１３ａ，１３ｂはスリット１２ａを有した一対の仕切壁１２ｂによりさらにボディ１０の長手方向に沿って２室に分割されている。
【０１１６】
ボディ１０内において両端の収納室１３ａ，１３ｂには電圧極用の刃受ブロック３０Ａ，３０Ｂがそれぞれ収納される。刃受ブロック３０Ａ，３０Ｂは、端子板４１の片方の固定片４５にＯタイプの刃受３１Ｂが固定されて構成され、各刃受３１Ｂを長手方向両端の区画にそれぞれ収納し、端子板４１を長手方向中央の区画に収納するようにしてボディ１０両端の収納室１３ａ，１３ｂに納められる。
【０１１７】
一方、ボディ１０内において中央の収納室１３ｃには接地極用の刃受ブロック３０Ｃが収納される。但し、この刃受ブロック３０Ｃは実施形態２における刃受ブロック３０Ｃと同一構成のものである。なお、図６７（ａ）に示すように刃受３１Ｂと端子板４１を金属部材を加工して一体に形成すれば、かしめ等の結合作業が不要となる利点がある。ここで、刃受３１Ｂの構造として、例えば、図６７（ａ）に示すように一対の刃受ばね３２をその後端縁、すなわち栓刃の差込方向において栓刃の先端に連結片３４が対向するように連結する構造や、図６７（ｂ）に示すように一対の刃受ばね３２をその側端縁、すなわち連結片３４が栓刃の差込方向に沿うように連結する構造が考えられるが、前者の構造では後者の構造に比較して刃受ばね３２のばね性において優れ、後者の構造では前者の構造に比較して金属部材から打ち抜き加工する際の所謂板取りにおいて優れており、必要な性能に鑑みて何れかの構造を適宜選択して組み合わせればよい。
【０１１８】
各収納室１３ａ〜１３ｃには端子板４１，４１’とともに解除釦８０，２００が収納されて端子部４０が構成されるが、これら端子部４０の構成は実施形態２と共通であるから説明を省略する。
【０１１９】
ここで、本実施形態における組立部材２２０は実施形態３と同一のものが使用できる。すなわち、組立部材２２０は取付枠やプレートの係合孔と係合する取付爪２２５が嵌合孔２２１と一列に並ぶように外向きに突設されて構成されるものであるから、器体１の短手方向両側面においてプレート枠１１０の保持溝１１４ａ，１１５ａに応じた位置に嵌合部６，７及び凹溝８を設けることで３個モジュールの器体１と２個モジュールの器体１とで組立部材２２０を共用することができ、それぞれに専用の組立部材を使用する場合に比較して部品種の削減によるコストダウンが図れるものである。
【０１２０】
また、カバー２０の内部にはＯタイプの差込部２４’を開閉自在に閉塞する扉２５０と、ボディ１０前面とカバー２０の前壁との間に配設され、扉２５０をカバー２０の内側に収納するようにしてスライド移動自在に支持する中枠２６０”とが納められる。すなわち、差込部２４’に差し込まれた栓刃の先端に押されて扉２５０が中枠２６０”に支持された状態でスライド移動することで差込部２４’を開き、中枠２６０”に貫設されている栓刃挿通孔２６１”を通して栓刃が刃受３１Ｂに接続可能となる。また、栓刃を差込部２４’から引き抜くと復帰ばね２５４によって扉２５０がスライド移動して元の位置、すなわち差込部２４’を閉じる位置に復帰し、プラグの栓刃以外の異物が差込部２４’に差し込まれるのを防ぐことができる。
【０１２１】
ところで、実施形態１〜４の端子部４０において、例えば解除釦６０の操作時に押圧突部６４から端子板４１の鎖錠片４４に加えられる押圧力は鎖錠片４４の幅方向における片側に偏っているから、鎖錠片４４は押圧方向に歪みながら撓むことになり、鎖錠部４４ａを電線から引き離すために余計に押圧力が必要になっている。そこで、図６８（ａ）に示すように接触片４３を鎖錠片４４の幅方向における略中央に対向する位置に設けるとともに、同図（ｂ）に示すように解除釦６０の操作部６１から先端部に押動突部６４が突設された２つの腕部６３を略平行に突設し、接触片４３の両側にできるスペースに各腕部６３を配置して２つの押動突部６４により鎖錠片４４の両端を同時に押圧する構成とすればよい。このような構成を採用すれば、鎖錠片４４にバランスよく押圧力を加えることができるから、片側を押圧する場合に比較して鎖錠片４４の歪みが抑えられて解除釦６０の操作性が向上するものである。
【０１２２】
【発明の効果】
請求項１の発明は、配線器具の器体に貫設した電線挿入孔を通して器体に導入される電線を結線する速結端子装置であって、ばね性を有する金属板を両端部が重なり合うように対向して折り曲げてなる端子板を備え、前記端子板の一方の端部に電線と接触する接触片が一体に設けられ、且つ他方の端部に接触片側へ突出する鎖錠片を設け、前記端子板の電線の挿入方向に沿った接触片部分の両側において電線を押圧する一対の押圧部が設けられ、前記鎖錠片には、電線を接触部側へ押圧するとともに電線の一部に食い込んで抜け止めする鎖錠部が先端に設けられてなり、前記接触部が設けられた端子板の一方の端部と鎖錠片が設けられた端子板の他方の端部とが、器体内に導入される電線から離れる向きに撓み可能であり且つ接触片の電線挿入孔から遠い側の先端部よりも電線挿入孔に近い側の後端部が電線に近付く向きに傾斜するように前記端子板が器体内に収納されてなり、鎖錠片の鎖錠を解除する解除手段を備え、解除手段は、器体の表面に露出して手動操作される操作部並びに操作部が操作されたときに鎖錠部の先端を押動して電線から引き離す押動突部を有し、電線が結線されている接続位置と電線が結線されていない非接続位置との間で移動自在であり且つ直方体状の器体における電線挿入孔が設けられた面に隣り合う面から進退自在に突出するように器体に配設される解除釦と、解除釦を接続位置から非接続位置に弾性付勢する付勢部材とを具備し、少なくとも電線挿入孔が設けられた器体の面を電線の挿入方向から見たときに非接続位置の解除釦を視認可とし接続位置の解除釦を視認不可とする段差が器体に設けられたことを特徴とし、鎖錠部を電線から引き離す際に鎖錠部の先端に押動突部からの押圧力がかかるため、電線の接続状態を解除する際に鎖錠部が変形するのを防ぐことができる。また、電線が端子板に接続されると解除釦が非接続位置から接続位置に移動するため、解除釦の位置によって電線が端子板と接続されたか否かを確認することができ、しかも、電線を取り外すと付勢部材によって弾性付勢されている解除釦が接続位置から非接続位置に復帰するため、解除釦を非接続位置に復帰させる手間が要らず何度でも電線を抜き差しすることができる。しかも、解除釦の視認可否によって電線が接続されているか否かが簡単に判別できる。
【０１２４】
請求項２の発明は、請求項１の発明において、解除釦は、一端側に押動突部が設けられ、他端側が支持されて揺動自在に器体に配設されたことを特徴とし、解除釦の揺動範囲が大きくとれるから操作性並びに視認性が向上する。
【０１２５】
請求項３の発明は、請求項１又は２の発明において、解除釦の付勢部材が当接する部位を付勢部材による付勢向きにくぼませたことを特徴とし、解除釦の移動量が同じであっても付勢部材の変位量を減らすことができ、付勢部材のへたりを軽減することができる。
【０１２６】
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、押動突部が設けられた解除釦の一端側に操作部が設けられたことを特徴とし、鎖錠部を押動するのに必要な操作量を低減して操作性が向上する。
【０１２７】
請求項５の発明は、請求項１又は２又は３の発明において、解除釦の操作部以外の部位であって器体の外に露出する部位に、配線器具が取り付けられる取付部材に対する逃げが設けられたことを特徴とし、取付部材との干渉を防いで解除釦の視認性が低下するのと防ぐことができる。。
【０１２８】
請求項６の発明は、請求項１〜５の何れかの発明において、押動突部と係合して解除釦を仮止めする係合部が端子板に設けられたことを特徴とし、端子板に解除釦を仮止めすることで器体への解除釦の組み込み作業が容易に行える。
【０１２９】
請求項７の発明は、請求項６の発明において、押動突部を係合部へ係合する向き並びに係合部との係合が外れる向きに案内するガイド面が押動突部に設けられたことを特徴とし、解除釦を端子板に仮止めする際に及び器体への組み込み後に仮止めを解除する際の作業性が向上する。
【０１３１】
請求項８の発明は、請求項２の発明において、解除釦を複数の方向で移動自在としたことを特徴とし、解除釦の視認性がさらに向上する。
【０１３２】
請求項９の発明は、請求項８の発明において、解除釦の反操作方向への倒れを防ぐ倒れ防止手段を備えたことを特徴とし、解除釦の倒れを防いで組立の作業性が向上する。
【０１３３】
請求項１０の発明は、請求項８又は９の発明において、器体に収納される配線部材を逃がす逃がし部が解除釦に設けられたことを特徴とし、器体の小型化が図れる。
【０１３４】
請求項１１の発明は、請求項１の発明において、解除釦は、鎖錠部の押動方向と直交する方向の両端部近傍をそれぞれ押動する複数の押動突部が設けられてなることを特徴とし、鎖錠部に対して押圧力を均等にはたらかせることができて解除釦の操作性が向上する。
【０１３５】
請求項１２の発明は、請求項１の発明において、端子板を挟み込んで端子板に固定される固定部が付勢部材に設けられたことを特徴とし、付勢部材の組み込み作業が容易に行える。
【０１３６】
請求項１３の発明は、請求項１２の発明において、それぞれに電線が接続される２つの端子板が一体に形成され、個々の端子板に対応する２つの解除釦を弾性付勢する２つの付勢部材を有し、個別に形成された付勢部材の固定部が固定される被固定部と、２つが一体に形成された付勢部材の固定部が固定される被固定部とが端子板に設けられたことを特徴とし、付勢部材が個別に形成されている場合あるいは一体に形成されている場合の何れにも対応可能となり、部品の共通化によるコストダウンが図れるとともに配線器具の構成の幅を広げることができる。
【０１３７】
請求項１４の発明は、上記目的を達成するために、施工面に設けられる埋込孔に後部を埋め込む形で配設される器体と、器体に収納される請求項１〜１３の何れかに記載された速結端子装置と、器体の側面に設けられ埋込孔の周りに設置される取付枠又は取付枠一体型のプレートに器体を取り付ける取付手段とを備えたことを特徴とし、請求項１〜１３の何れかに記載された発明の効果を奏する配線器具が実現できる。
【０１３８】
請求項１５の発明は、請求項１４の発明において、施工されるまでの間だけ器体の電線挿入孔に挿入されて解除釦を接続位置に固定する固定ピンを備えたことを特徴とし、固定ピンにより解除釦を接続位置に固定することで解除釦と器体のすきまから埃が進入するといった不具合の発生を抑えることができる。
【図面の簡単な説明】
【図１】実施形態１の分解斜視図である。
【図２】同上を示し、（ａ）は正面図、（ｂ）は右側面図、（ｃ）は下面図、（ｄ）は背面図である。
【図３】同上の斜視図である。
【図４】同上におけるボディを示し、（ａ）は正面図、（ｂ）は下面図、（ｃ）は背面図、（ｄ）は右側面図である。
【図５】同上におけるカバーを示し、（ａ）は正面図、（ｂ）は下面図、（ｃ）は右側面図、（ｄ）は背面図である。
【図６】同上における組立部材を示し、（ａ）は正面図、（ｂ）は右側面図、（ｃ）は上面図である。
【図７】同上における刃受を示し、（ａ）は正面図、（ｂ）は下面図、（ｃ）は右側面図である。
【図８】同上における端子板を示し、（ａ）は正面図、（ｂ）は下面図、（ｃ）は右側面図である。
【図９】同上における解除釦を示し、（ａ）は正面図、（ｂ）は下面図、（ｃ）は右側面図である。
【図１０】同上における復帰ばねを示し、（ａ）は正面図、（ｂ）は右側面図、（ｃ）は上面図である。
【図１１】同上における中枠を示し、（ａ）は正面図、（ｂ）は上面図、（ｃ）は右側面図である。
【図１２】同上における扉を示し、（ａ）は正面図、（ｂ）は上面図、（ｃ）は右側面図である。
【図１３】同上の端子板に電線が接続された状態を示す要部断面図である。
【図１４】同上における端子板の説明図である。
【図１５】同上における他の構成の端子板を示す斜視図である。
【図１６】同上におけるさらに他の構成の端子板を示し、（ａ）は斜視図、（ｂ）は電線を接続した状態の側面図である。
【図１７】同上における別の構成の端子板を示す側面図である。
【図１８】同上の端子板に電線が接続された状態を示す要部断面図である。
【図１９】同上におけるさらに別の構成の端子板を示し、（ａ）は分解斜視図、（ｂ）は斜視図である。
【図２０】同上における端子板と復帰ばねの固定方法を説明する図である。
【図２１】同上における解除釦の要部側面図である。
【図２２】同上における端子板と復帰ばねの他の固定方法を説明する図である。
【図２３】同上の背面図である。
【図２４】同上におけるボディとカバーの結合方法を説明する図である。
【図２５】同上におけるボディとカバーの他の結合方法を説明する図である。
【図２６】同上が取り付けられるプレートの正面から見た分解斜視図である。
【図２７】同上が取り付けられるプレートの背面から見た分解斜視図である。
【図２８】同上の器体をプレート枠に取り付ける手順を説明する説明図である。
【図２９】実施形態２の分解斜視図である。
【図３０】同上を示し、（ａ）は正面図、（ｂ）は右側面図、（ｃ）は下面図、（ｄ）は背面図である。
【図３１】同上の斜視図である。
【図３２】同上におけるボディを示し、（ａ）は正面図、（ｂ）は右側面図、（ｃ）は背面図、（ｄ）は下断面図、（ｅ）は下面図である。
【図３３】同上におけるカバーを示し、（ａ）は正面図、（ｂ）は左側面図、（ｃ）は背面図、（ｄ）は上面図、（ｅ）は上断面図である。
【図３４】同上のカバーを外した状態の正面図である。
【図３５】同上におけるユニバーサルタイプの刃受を示し、（ａ）は正面図、（ｂ）は上面図、（ｃ）は左側面図、（ｄ）は下面図、（ｅ）は右側面図、（ｆ）は背面図である。
【図３６】同上におけるＯタイプの電圧極用の刃受を示し、（ａ）は正面図、（ｂ）は上面図、（ｃ）は左側面図、（ｄ）は下面図、（ｅ）は右側面図である。
【図３７】同上における電圧極用の端子板を示し、（ａ）は正面図、（ｂ）は左側面図、（ｃ）は右側面図、（ｄ）は上面図である。
【図３８】同上におけるＯタイプの接地極用の刃受を示し、（ａ）は正面図、（ｂ）は上面図、（ｃ）は右側面図である。
【図３９】同上における接地極用の端子板を示し、（ａ）は正面図、（ｂ）は左側面図、（ｃ）は上面図、（ｄ）は右側面図である。
【図４０】同上における接地極用の端子板を説明する説明図である。
【図４１】同上における電圧極用の刃受ブロックを一体型とした斜視図である。
【図４２】（ａ）〜（ｃ）は同上の一体型の刃受ブロックにおける刃受の構造を示す斜視図である。
【図４３】同上における他の構成の端子板を示す斜視図である。
【図４４】同上における他の構成のボディを示す一部省略した背面図である。
【図４５】同上における電圧極用の解除釦を示し、（ａ）は正面図、（ｂ）は上面図、（ｃ）は右側面図である。
【図４６】同上における復帰ばねを示し、（ａ）は正面図、（ｂ）は上面図、（ｃ）は右側面図である。
【図４７】同上における端子板と復帰ばねの固定方法を説明する図である。
【図４８】同上における端子板と他の構成の復帰ばねの固定方法を説明する図である。
【図４９】同上における解除釦の組み込み作業を説明する説明図である。
【図５０】同上における接地極用の解除釦を示し、（ａ）は正面図、（ｂ）は上面図、（ｃ）は右側面図である。
【図５１】同上における接地極用の端子部を示し、（ａ）は非接続位置の要部断面図、（ｂ）は接続位置の要部断面図である。
【図５２】同上の器体をプレート枠に取り付けた状態の要部断面図である。
【図５３】同上における固定ピンの説明図である。
【図５４】実施形態３の分解斜視図である。
【図５５】同上を示し、（ａ）は正面図、（ｂ）は右側面図、（ｃ）は下面図、（ｄ）は背面図である。
【図５６】同上の斜視図である。
【図５７】同上におけるボディを示し、（ａ）は正面図、（ｂ）は下面図、（ｃ）は右側面図、（ｄ）は背面図である。
【図５８】同上におけるカバーを示し、（ａ）は正面図、（ｂ）は左側面図、（ｃ）は背面図、（ｄ）は下面図である。
【図５９】（ａ）は同上における電圧極用の刃受ブロックを一体型とした斜視図、（ｂ）は一体型の刃受ブロックにおける刃受の構造を示す斜視図である。
【図６０】同上における組立部材を示す斜視図である。
【図６１】同上における他の構成の組立部材を示し、（ａ）は正面図、（ｂ）は右側面図、（ｃ）は上面図である。
【図６２】実施形態４の分解斜視図である。
【図６３】同上を示し、（ａ）は正面図、（ｂ）は右側面図、（ｃ）は下面図、（ｄ）は背面図である。
【図６４】同上の斜視図である。
【図６５】同上におけるボディを示し、（ａ）は正面図、（ｂ）は下面図、（ｃ）は右側面図、（ｄ）は背面図である。
【図６６】同上におけるカバーを示し、（ａ）は正面図、（ｂ）は下面図、（ｃ）は右側面図、（ｄ）は背面図である。
【図６７】（ａ）は同上における電圧極用の刃受ブロックを一体型とした斜視図、（ｂ）は一体型の刃受ブロックにおける刃受の構造を示す斜視図である。
【図６８】（ａ）は別の構成の端子板を示す斜視図、（ｂ）は別の構成の解除釦を示す斜視図である。
【図６９】従来例の要部を示す断面図である。
【図７０】同上における電線の取り外し作業を説明するための説明図である。
【図７１】同上における電線と端子板との接続構成を説明する説明図である。
【符号の説明】
１ 器体
４０ 端子部
４１ 端子板
４３ 接触片
４３ａ 接触部
４３ｂ 押圧部
４３ｃ 押圧部
４４ 鎖錠片
４４ａ 鎖錠部
６０ 解除釦
６１ 操作部
６４ 押動突部[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a quick connection terminal device that is housed in a body of a wiring device such as a switch or an outlet and connects an electric wire, and a wiring device.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, in wiring devices such as switches and outlets, quick connection terminals have been widely used to connect electric wires introduced into a container through an electric wire insertion hole provided in the container. As this type of quick connection terminal, as shown in FIG. 69, a terminal plate 302 that is accommodated in the container 300 and is brought into contact with the electric wire 101 introduced into the container 300 through the electric wire insertion hole 301, And a lock spring 303 that clamps the electric wire is known (for example, see Patent Document 1). The lock spring 303 is a leaf spring, and is formed so as to hold the electric wire 101 by sandwiching the electric wire 101 between the contact piece 303 a and the lock piece 303 b provided on the lock spring 303 and the terminal plate 302. ing. That is, when the electric wire 101 is introduced into the main body 300 through the electric wire insertion hole 301 provided in the main body 300, the electric wire 101 bends in a direction to separate the contact piece 303a and the locking piece 303b from the terminal plate 302, and the contact piece 303a and the chain The electric wire 101 is sandwiched between the terminal plate 302 and the lock piece 303b by the spring force generated in the lock piece 303b. Here, in a state where the electric wire 101 is sandwiched between the terminal plate 302 and the contact piece 303a and the locking piece 303b, the edges of the contact piece 303a and the locking piece 303b elastically contact the electric wire 101, and As the locking piece 303b bites into the part, the electric wire 101 is prevented from coming off. Thus, since the electric wire 101 is held in a state where it is in contact with the terminal plate 302 simply by inserting the electric wire 101 into the electric wire insertion hole 301, the connection of the electric wire 101 is compared with a structure in which the electric wire 101 is connected using a terminal screw. Work becomes easy.
[0003]
By the way, as shown in FIG. 70, an operation hole 304 is provided through the rear wall of the container 300, and a release button 305 is accommodated in the interior of the container 300 on the back side of the operation hole 304. As shown in FIG. 71, the release button 305 is disposed beside the locking spring 303, and has a shape in which a pushing piece 305a that abuts on the rear side of the locking piece 303b of the locking spring 303 protrudes from the side surface. The operation hole 304 has a shape that allows insertion of a tool 310 such as the tip of a minus driver. When the tool 210 is inserted into the operation hole 304 and the release button 305 is pressed forward, the locking piece 303b is pushed. By receiving a pressing force from 305a, it is bent in a direction away from the electric wire 101. Therefore, if a tool is inserted into the operation hole 304 and the release button 305 is pressed while the electric wire 101 is connected, the locking piece 303b bends away from the electric wire 101 and the mechanical holding of the electric wire 101 is released. 101 can be pulled out from the container 300.
[0004]
[Patent Document 1]
Japanese Patent Laid-Open No. 2001-210393 (page 4-6, FIG. 3)
[0005]
[Problems to be solved by the invention]
By the way, in the above conventional example, the position where the locking piece 303b of the locking spring 303 receives the pressing force from the pressing piece 305a of the release button 305 is shifted closer to the contact piece 303a than the tip, and the locking piece 303b is bent. However, a relatively large pressing force is required, and the locking piece 303b may be deformed by the pressing force.
[0006]
The present invention has been made in view of the above circumstances, and an object thereof is to provide a quick connection terminal device and a wiring device that can prevent the locking portion from being deformed when the connection state of the electric wire is released. There is.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, the first aspect of the present invention provides an electric wire introduced into the container through an electric wire insertion hole provided in the container body of the wiring device.A contact piece that comprises a terminal plate formed by bending a metal plate having a spring property so that both end portions thereof are overlapped with each other, and one end of the terminal plate is in contact with an electric wire Are provided integrally, and a locking piece protruding toward the contact piece side is provided at the other end, and a pair of pressing portions for pressing the electric wire is provided on both sides of the contact piece portion along the insertion direction of the electric wire of the terminal plate. The locking piece is provided with a locking portion at the tip thereof that presses the electric wire toward the contact portion side and bites into a part of the electric wire to prevent it from coming off, and one of the terminal plates provided with the contact portion. And the other end of the terminal plate provided with the locking piece can be bent away from the electric wire introduced into the body and from the distal end of the contact piece far from the electric wire insertion hole. Also, the rear end on the side close to the wire insertion hole is inclined to approach the wire. The terminal plate is housed in the container body, and includes a release means for releasing the lock of the lock piece, and the release means is exposed to the surface of the container body and manually operated. It has a push projection that pushes the tip of the locking part and pulls it away from the wire when it is operated, and it can move between the connection position where the wire is connected and the non-connection position where the wire is not connected And a release button disposed on the container so as to protrude freely from a surface adjacent to the surface provided with the wire insertion hole in the rectangular parallelepiped container, and the release button from the connection position to the non-connection position. A biasing member that elastically biases, and when the surface of the container body provided with at least the wire insertion hole is viewed from the insertion direction of the wire, the release button at the non-connection position is approved for viewing, and A step that is not visible is provided on the body.It is characterized by that.
[0009]
Claim2The invention of claim1In this invention, the release button is characterized in that a pushing projection is provided on one end side and the other end side is supported and is swingably disposed on the container body.
[0010]
Claim3The invention of claim1 or 2The invention is characterized in that the portion of the release button with which the urging member abuts is recessed in the urging direction of the urging member.
[0011]
Claim4The invention of claim1 or 2 or 3The invention is characterized in that an operation portion is provided on one end side of the release button provided with the push projection.
[0012]
Claim5The invention of claim1 or 2 or 3The invention is characterized in that a relief with respect to an attachment member to which the wiring device is attached is provided in a portion other than the operation portion of the release button and exposed to the outside of the body.
[0013]
Claim6The invention of claim 1 to claim 15In any one of the inventions, the terminal plate is provided with an engaging portion that engages with the pushing protrusion to temporarily fix the release button.
[0014]
Claim7The invention of claim6The invention is characterized in that a guide surface for guiding the push protrusion in a direction in which the push protrusion is engaged with the engaging portion and a direction in which the push protrusion is disengaged is provided in the push protrusion.
[0016]
Claim8The invention of claim2The invention is characterized in that the release button is movable in a plurality of directions.
[0017]
Claim9The invention of claim8According to the invention, there is provided a fall prevention means for preventing the release button from falling in the counter-operation direction.
[0018]
Claim10The invention of claim8 or 9The invention is characterized in that the release button is provided with an escape portion for escaping the wiring member accommodated in the container.
[0019]
Claim11The invention according to claim 1 is characterized in that, in the invention of claim 1, the release button is provided with a plurality of pushing projections each pushing in the vicinity of both end portions in a direction orthogonal to the pushing direction of the locking portion. To do.
[0020]
Claim12The invention of claim1In the invention, the urging member is provided with a fixing portion that is fixed to the terminal plate with the terminal plate interposed therebetween.
[0021]
Claim13The invention of claim12In this invention, the two terminal plates to which the electric wires are connected are integrally formed, and have two urging members for elastically urging the two release buttons corresponding to the individual terminal plates. A fixed portion to which the fixing portion of the biasing member is fixed and a fixed portion to which the fixing portion of the two biasing members formed integrally are fixed to the terminal board.
[0022]
Claim14In order to achieve the above object, the invention of claim 1 is a container that is arranged in such a manner that a rear portion is embedded in an embedding hole provided in a construction surface, and is stored in the container13And a mounting means for attaching the body to a mounting frame or a mounting frame integrated plate provided on the side surface of the body and installed around the embedded hole. It is characterized by.
[0023]
Claim15The invention of claim14According to the invention, a fixing pin is provided which is inserted into the electric wire insertion hole of the container only until construction is performed and fixes the release button at the connection position.
[0024]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments in which the present invention is applied to an outlet will be described in detail with reference to the drawings. However, the wiring device is not limited to an outlet, and it goes without saying that the technical idea of the present invention can be applied to a wiring device other than an outlet such as a switch.
[0025]
(Embodiment 1)
As shown in FIGS. 1 to 3, the container 1 is the same as the body 10 formed in a rectangular parallelepiped shape whose front surface is opened using a thermosetting synthetic resin (for example, urea resin) having excellent tracking resistance. It is formed by bonding a cover 20 formed in a rectangular parallelepiped shape with a rear surface opened using a thermosetting synthetic resin (for example, urea resin) having excellent tracking resistance. The container 1 has a prescribed unit dimension to be described later.
[0026]
The internal space of the body 10 is divided into two by a partition wall 12 provided at an intermediate portion in the longitudinal direction. Further, as will be described later, a partition wall 180a is formed on the middle frame 180 housed in the cover 20 (see FIG. 11), and when the body 10 and the cover 20 are joined, the partition wall 12 of the body 10 and the cover 20 The inner space of the container 1 is divided into two independent chambers by abutting against the partition wall 180a of the middle frame 180 housed in the container.
[0027]
In each storage chamber 13 formed through the partition wall 12 in the body 10, blade receptacles 31 for receiving plug blades of plugs are respectively stored. As shown in FIG. 7, each blade receiver 31 has a pair of blade receiving springs 32 that sandwich the plug blades at the tip portions facing each other, and a U-shape that continuously couples one side surfaces of the both blade receiving springs 32. And a blade receiving spring 33 that protrudes from the connecting piece 34 and faces the side surface of the double blade receiving spring 32. In addition, four cylindrical protrusions 34a are arranged in the connecting piece 34, and a terminal plate 41 (described later) is caulked and fixed to each pair of protrusions 34a.
[0028]
The terminal unit 40 includes a terminal plate 41 and a release button 60. As shown in FIG. 8A, the terminal plate 41 is hung from the substantially L-shaped main piece 42 and the narrow end of the main piece 42 to the rear (downward in FIG. 8B, the same applies hereinafter). A contact piece 43, a substantially J-shaped locking piece 44 that hangs backward from the other wide end of the main piece 42, and a fixing piece 45 that protrudes laterally from the side edge of the locking piece 44. It is formed integrally by processing a belt-shaped metal plate having elasticity and bending the tip of the contact piece 43 and the tip of the locking piece 44 so as to intersect. The contact piece 43 is provided with a contact portion 43a having a substantially flat surface and elastically contacting the electric wire, and a pair of pressing portions 43b and 43c for pressing the electric wire on both sides of the contact portion 43a along the insertion direction of the electric wire. Yes. In addition, the locking piece 44 located on the inner side with respect to the contact piece 43 is provided with a locking portion 44a that presses the electric wire toward the contact portion 43a and bites into a part of the electric wire to prevent it from coming off, A bent portion 44b that is convex in a direction away from the electric wire (contact piece 42) is provided at a position behind the locking portion 44a. As shown in FIG. 8C, the width dimension of the contact piece 43 is set to about half of the width dimension of the locking piece 44. Further, the fixed piece 45 is provided with an insertion hole 45a through which a pair of projections 34a arranged in the connection piece 34 of the blade receiver 31 are inserted, and the projection 34a inserted through the pair of insertion holes 45a is provided. The fixing piece 45 is fixed to the connecting piece 34 of the blade receiver 31 by caulking. A blade receiving block 30 including a pair of terminal plates 41 and a blade receiver 31 fixed to the connecting piece 34 so as to be adjacent to the pair of blade receiving springs 32 is stored in each storage chamber 13 of the body 10.
[0029]
An electric wire insertion hole 11 is provided in the bottom wall of the body 10 so that an electric wire can be introduced between the contact piece 43 and the locking piece 44. As shown in FIG. 13, when the electric wire 101 is inserted between the contact piece 43 and the locking piece 44 through the electric wire insertion hole 11, the locking portion 44 a of the locking piece 44 bites into the electric wire 101, thereby pulling the electric wire 101. The electric wire 101 is elastically brought into contact with the contact portion 43a of the contact piece 43 by the spring force of the locking piece 44, and the electric wire 101 is pressed toward the locking piece 44 by the pair of pressing portions 43b and 43c. The pressing force of 44a and a pair of pressing parts 43b and 43c balances, and the electric wire 101 is pinched. However, the pressing portion 43c closer to the main piece 42 is chamfered on the surface in contact with the electric wire 101 to increase the contact area.
[0030]
By the way, the terminal part in a prior art example is comprised with the quick-connection terminal apparatus which consists of a terminal board and a lock spring, and the terminal board was formed with the metal material which does not have a spring property. For this reason, as shown in FIG. 69A, when the electric wire 101 is inserted in a regular state with respect to the terminal plate 302a and the lock spring 303, the contact area between the terminal plate 302a and the electric wire 101 is sufficiently large. However, when the electric wire 301 is inserted with an inclination with respect to the terminal plate 302a and the lock spring 303 as shown in FIG. 5B, the contact area between the terminal plate 302a and the electric wire 101 decreases. There was a fear. On the other hand, in the terminal part 40 of this embodiment, the electric wire 101 is pressed from both sides (opposite directions) by the two pressing parts 43b and 43c of the contact piece 43 and the locking part 44a of the locking piece 44 as described above. Therefore, even if the electric wire 101 is inclined and inserted, the pressing force and the locking portion by the two pressing portions 43b and 43c follow the inclination of the electric wire 101 by the spring force of the contact piece 43 and the locking piece 44. The pressing force by 44a can be balanced, and the connection state of the terminal plate 41 and the electric wire 101 can be stabilized regardless of the insertion state of the electric wire 101. Further, by applying a pressing force to the electric wire 101 from the opposite direction by the pressing portions 43b and 43c and the locking portion 44a, the pressing force can be shared in a balanced manner between the contact piece 43 and the locking piece 44. The settling of the locking piece 44 can be suppressed. Moreover, in the present embodiment, the contact portion 43a, the pressing portions 43b and 43c, and the locking portion 44a, which are connection means for connecting the electric wire 101, are integrally formed with the terminal plate 41 by a metal plate having elasticity, so that it is conventional. In addition, there is an advantage that the cost can be reduced by reducing the number of parts and the number of assembling steps as compared with those requiring two parts of the terminal plate and the lock spring.
[0031]
Here, in the present embodiment, the bent portion 44b is provided in the locking piece 44 of the terminal plate 41. For example, as shown in FIG. If an attempt is made to make the position of the locking portion 44a the same without providing it, the biting angle of the locking portion 44a becomes small and the biting into the electric wire becomes weak. On the other hand, if an attempt is made to place the locking portion 44a at the same position and the same angle, the length of the locking piece 44 is shortened as shown in FIG. turn into. Therefore, the occurrence of such a problem can be prevented by providing the bent portion 44b in the lock piece 44, and the spring property of the lock piece 44 is sufficiently secured, and at the same time, the angle of biting into the electric wire of the lock portion 44a is increased. Thus, the electric wire can be reliably prevented from coming off.
[0032]
Further, if the tip portion where the locking portion 44a of the locking piece 44 is formed is tapped by a press or the like, the surface hardness increases although the thickness of the locking portion 44a is slightly reduced as shown in FIG. Deterioration of the retaining performance can be prevented by reducing the abrasion caused by the insertion. Furthermore, as shown in FIG. 16, if the surface of the locking portion 44a that bites into the electric wire 101 is struck, the number of parts that come into contact with the electric wire 101 increases due to the level difference that occurs in the locking portion 44a, and connection reliability can be improved. There is an advantage. In the present embodiment, the pressing portion 43c closer to the main piece 42 chamfers the surface in contact with the electric wire 101. However, the pressing portion 43c does not chamfer the contact surface with the electric wire 101 as shown in FIG. The wire 101 can be more reliably prevented from coming off if the wire 101 is cut into the wire 101 to prevent it from coming off.
[0033]
By the way, as shown in FIG. 18, a stopper rib 14 is provided in the vicinity of the wire insertion hole 11 on the bottom surface of the body 10, and when the wire 101 is inserted, the tip of the contact piece 43 is applied to the stopper rib 14 and the contact piece 43 is bent. If the amount is regulated, the contact piece 43 can be prevented from being excessively bent and plastically deformed. Moreover, if the position of the stopper rib 14 is set to a position at which the deflection of the contact piece 43 can be restricted at a position where the contact surface of the contact portion 43a is substantially parallel to the insertion direction of the electric wire 101, the stopper rib 14 is formed as shown in FIG. In the regulated state, the contact area between the contact portion 43a and the electric wire 101 is the largest, that is, there is an advantage that the contact reliability can be improved because the surface contact can be achieved.
[0034]
Further, in the present embodiment, the contact piece 43 and the locking piece 44 are formed integrally with the terminal plate 41, but the contact piece 43 in which the electrical conductivity is relatively important and the spring property is relatively important. You may comprise the locking piece 44 with another member. For example, as shown in FIG. 19, a first member 41A in which a main piece 42 and a contact piece 43 are integrally formed and a second member 41B in which a locking piece 44 is formed are provided on the main piece 42. The terminal plate 41 may be configured by coupling the first and second members 41A and 41B by penetrating the protrusion 42a through a through-hole 44c provided in the locking piece 44. Thus, the first member 41A on which the contact piece 43 is formed uses a metal material having excellent electrical conductivity, and the second member 41B on which the locking piece 44 is formed is made of metal material having excellent springiness. Since it can be used, there is an advantage that a general material can be used without using a special and relatively expensive material that satisfies both performances, and the cost can be reduced.
[0035]
By the way, the release button 60 which comprises the terminal part 40 with the terminal board 41 is arrange | positioned in each storage chamber 13. As shown in FIG. The release button 60 is made of a synthetic resin molded product. As shown in FIGS. 1 and 9, as shown in FIGS. 1 and 9, a substantially P-shaped operation unit 61, a drive unit 62 protruding from one end on one side of the operation unit 61, An arm portion 63 projecting sideways from the other end on the side surface and a pushing projection 64 projecting from the tip of the arm portion 63 toward the drive unit 62 are integrally formed. The arm part 63 is formed in a width dimension narrower than the width dimension of the operation part 61 (see FIG. 9C). In addition, the drive unit 62 has a larger amount of protrusion from the operation unit 61 than the arm unit 63, and the inner side surface (the lower surface in FIG. 9B) facing the arm unit 63 has a lower side and one side. A recess 62a is formed to be open. On the bottom surface of the recess 62a facing the arm portion 63, an inclined surface 62b is formed that inclines in a direction gradually moving away from the arm portion 63 from the tip toward the operation portion 61. A protrusion 65 having a substantially trapezoidal cross section is provided on the outer side surface (the upper side surface in FIG. 9B) of the distal end portion of the drive unit 62.
[0036]
On the other hand, a pair of longitudinal grooves 15 communicating with the respective storage chambers 13 are juxtaposed on both side surfaces of the body 10 in the longitudinal direction, and a release button 60 is provided so that the operating portion 61 is inserted into the longitudinal grooves 15. Arranged in each storage chamber 13 in the body 10. Here, the release button 60 faces the portion where the arm portion 63 does not face the contact piece 43 in the locking piece 44 of the terminal plate 41, and the wire insertion hole 11 of the body 10 faces the recess 62 a of the drive portion 62. In addition, the operation unit 61 is movably disposed in the storage chamber 13 so as to protrude from the vertical groove 15 so as to be able to advance and retreat. In addition, since the width dimension of the contact piece 43 is made narrower than the width dimension of the locking piece 44 as already demonstrated, the opposing area of the arm part 63 and the locking piece 44 can be taken widely. Yes. Also, return springs 70 that return the release button 60 to the position when the electric wire is not connected (non-connected position) by elastically urging the operation portion 61 in a direction protruding from the vertical groove 15 are stored in each storage chamber 13. Has been.
[0037]
As shown in FIG. 10, the return spring 70 has a spring piece 71 whose front end is bent at a substantially right angle and its rear end is bent in a substantially square shape, and the front end of the spring piece 71 from both side edges of the rear end of the spring piece 71. A pair of fixing portions 72 protruding to the side are integrally formed. As shown in FIG. 20, the fixing portion 72 is bent in a substantially U shape, and sandwiches the fixed portion 46 formed of a notch provided in the vicinity of the main piece 42 in the locking piece 44 of the terminal plate 41 as shown in FIG. The return spring 70 is fixed (temporarily fixed) to the terminal plate 41. When the blade receiving block 30 in which the return spring 70 is temporarily fixed to the terminal plate 41 is stored in the storage chamber 13, the terminal plate 41 comes into contact with the inner wall of the body 10, and the rear end portion of the spring piece 71 is held and returned. The spring 70 is permanently fixed to the terminal board 41. Further, if the release button 60 is disposed in the storage chamber 13, the tip of the spring piece 71 of the return spring 70 abuts on the tip of the drive part 62 of the release button 60, and the spring force of the spring piece 71 does not connect. The release button 60 is elastically biased in a direction to return to a position (a position where the operation unit 61 protrudes from the longitudinal groove 15 of the body 10). Note that the release button 60 is prevented from being detached from the body 1 by bringing the drive unit 62 into contact with the inner wall surface of the cover 20.
[0038]
Thus, when an electric wire is inserted between the contact piece 43 and the locking piece 44 of the terminal plate 41 through the electric wire insertion hole 11 and connected to the terminal portion 40 (terminal plate 41), the tip of the electric wire is moved to the release button 60. The driving unit 62 comes into contact with the inclined surface 62b formed in the recess 62a of the driving unit 62, the direction in which the driving unit 62 approaches the cover 20 by the insertion force of the electric wire (the force acting in the insertion direction of the electric wire), and the operation unit 61 is the body. The release button 60 is pushed and driven in the direction of entering 1. As a result, in a state where the electric wire is connected to the terminal portion 40, a part of the operation portion 61 moves to a position (connection position) where the operation portion 61 is drawn into the inside of the container body 1. That is, whether the operation unit 61 of the release button 60 is movable between the non-connection position and the connection position, and whether the electric wire is connected to the terminal plate 41 depending on the position of the operation unit 61 (non-connection position or connection position). It is possible to confirm whether or not. Further, when the electric wire is connected, the release button 60 is pushed up toward the cover 20 by the insertion force of the electric wire as described above, but there is a step on the inner bottom surface of the cover 20 facing the drive unit 62 of the release button 60. (Not shown) is formed, and when the protrusion 65 provided on the driving unit 62 gets over the step, a sound (for example, an impact sound such as “click”) is generated, so that the wire is also connected to the terminal by the sound. It can be confirmed that it is connected to the plate 41.
[0039]
On the other hand, in order to pull out the electric wire connected to the terminal portion 40, the operation portion 61 exposed on the side surface of the container body 1 through the longitudinal groove 15 may be pushed with a finger. When the release button 60 is further moved from the connection position into the body 1 by pushing the operation portion 61, the chain of the terminal plate 41 is pushed by the push projection 64 projecting from the tip of the arm 63 of the release button 60. By pressing the tip of the lock portion 44a, the lock piece 44 is bent so that the lock portion 44 biting into the electric wire is separated from the electric wire, and the electric wire can be pulled out. Here, in this embodiment, the distal end of the locking portion 44a is pressed by the pushing projection 64 that protrudes from the distal end of the arm portion 63 of the release button 60. Therefore, the locking piece 44 is removed from the locking portion 44a. Compared with the case of pressing at a distant position, it is possible to prevent the locking portion 44a (locking piece 44) from being deformed (plastically deformed) when releasing the connection state of the electric wire.
[0040]
In the conventional quick-connect terminal device, the wire must be pulled out while operating the release button using a tool, so hold the wiring fixture with one hand and insert the tool held in the other hand into the operation hole. When the release button is operated, both hands are blocked, and it is difficult to pull out the wire from the wire insertion hole. On the other hand, in the present embodiment, the chain that is biting into the electric wire by pressing the operation portion 61 of the release button 60 exposed on the side surface of the body 1 with the finger (for example, thumb) of the hand holding the body 1. The lock 44a can be separated from the electric wire, the holding of the container 1 and the operation of the release button 60 can be performed simultaneously with one hand, and the electric wire can be pulled out with the other hand, so compared with the conventional quick connection terminal device Thus, the wire can be easily removed. If the pushing operation of the operation unit 61 is stopped after the electric wire is pulled out, the release button 60 is moved by the spring force of the return spring 70 and the operation unit 61 automatically returns to the non-connection position. There is no need to return to the non-connection position, and the wire can be inserted and removed as many times as necessary.
[0041]
Here, the release button 60 is prevented from being detached from the longitudinal groove 15 of the container 1 in the drive unit 62 and is in a free state on the arm 63 side, and therefore, the release button 60 is used with the drive unit 62 in the retaining position as a fulcrum. Compared to the case where the arm 63 is prevented from coming off and only parallel movement is possible, the amount of protrusion of the release button 60 in the non-connection position is increased and visibility and operability are increased. Can be increased. Further, as shown in FIG. 9, the surface 62 c with which the tip of the spring piece 71 of the return spring 70 in the drive portion 62 of the release button 60 abuts is shaped to be recessed in the biasing direction of the return spring 70. As shown in FIG. 6, even when the movement amount of the release button 60 is the same as in the case where the contact surface 62c is flat, the displacement amount of the return spring 70 can be reduced, and the sag of the return spring 70 can be reduced. (See FIG. 21 (b)).
[0042]
In this embodiment, the fixing portion 72 provided on the return spring 70 is temporarily fixed to the fixed portion 46 of the terminal plate 41. However, as shown in FIG. Compared with the case where the blade receiving block 30 is temporarily fixed by being inserted and locked in the locking hole 73 provided in the return spring 70, the return spring 70 remains connected to the terminal plate 41 even if a slight impact is applied when the blade receiving block 30 is assembled into the body 10. There is an advantage that workability can be improved because it is difficult to drop off.
[0043]
By the way, a pair of protrusions 16 projecting in the longitudinal direction of the body 10 are provided in the vicinity of the rear end of the longitudinal groove 15 on both side surfaces of the body 10 in the longitudinal direction, and a step is formed between the side surfaces of the body 10. ing. In other words, the operation portion 61 of the release button 60 slightly protrudes from the side surface of the container 1 (body 10) at the connection position, but the protrusion 16 is provided between the side surface of the body 10 as described above. Since the step is formed, the operation portion 61 of the release button 60 in the non-connection position as shown in FIG. 23 when viewed from the bottom surface side of the body 1 (body 10) where the wire insertion hole 11 is opened. The operation portion 61 of the release button 60 at the connection position is hidden behind the projection 16 and can not be seen, whereas the release button 60 when viewed from the bottom surface of the container 1 is visible. It becomes possible to easily determine the connection state of the electric wire depending on whether or not the visual approval is given.
[0044]
By the way, an insertion portion 24 into which a pair of plug blades provided in one plug can be inserted is formed on the front wall of the cover 20 for one port. The insertion portion 24 includes insertion openings 25 that open at portions corresponding to the blade receiving springs 32 and 33 of each blade receiver 31, and each insertion opening 25 is a flat plug blade insertion into which a flat flat plug blade is inserted. The opening 25a and the pin-type plug blade insertion port 25b into which a round pin-shaped pin-type plug blade is inserted are formed into a shape communicating with each other. That is, the flat type plug blade insertion port 25a has a rectangular shape, and has a shape in which the circular pin type blade insertion port 25b communicates with one side edge of the middle portion in the longitudinal direction. Further, the distance between the centers of the pin-type plug blade insertion openings 25b is larger than the distance between the centers of the flat-type plug blade insertion openings 25a. The flat type plug blade inserted into the flat type plug blade insertion port 25a is sandwiched between the side surface of the blade receiving spring 32 and the blade receiving spring 33, and the pin type plug blade inserted into the pin type plug blade insertion port 25b is It is clamped between the pair of blade receiving springs 32.
[0045]
Next, a structure for assembling the container 1 by combining the body 10 and the cover 20 will be described. That is, in this embodiment, the body 10 and the cover 20 are coupled by fitting the assembly member 50 to the fitting portions 6 and 7 provided on both the body 10 and the cover 20 to thereby connect the body 10 and the cover 20. It is designed to be assembled.
[0046]
On both side surfaces facing the longitudinal direction of the body 10, a rectangular fitting portion 6 projects from the center portion sandwiched between a pair of longitudinal grooves 15 as shown in FIG. A concave groove 8 is formed in the upper part of FIG. On the other hand, a pair of insertion grooves 21 communicating with the longitudinal grooves 15 of the body 10 are provided on both side surfaces in the longitudinal direction of the cover 20, and the body 10 is fitted from the center portion sandwiched between the insertion grooves 21. A fitting part 7 having the same shape and the same dimensions as the joint part 6 is provided in a protruding manner. In the state where the cover 20 is abutted against the opening surface of the body 10, the fitting portions 6 and 7 are arranged in a row with the concave groove 8 interposed therebetween.
[0047]
The assembly member 50 is made of a synthetic resin molded product having elasticity. As shown in FIG. 6, the fitting holes 51 and 51 for fitting with the fitting portions 6 and 7 are provided in the front-rear direction of the container 1 (the vertical direction in FIG. 1). ) And a strip-shaped vertical piece 52 having a strip-shaped horizontal piece 53 having a central portion connected to the tip of the vertical piece 52, and a vertical piece facing the container 1. A locking protrusion 54 having a locking claw 54a at the tip is projected from the substantially central portion sandwiched between the fitting holes 51 on the back side of 52. Further, on the side surface of the horizontal piece 53, a mounting plate for embedding and installing the embedded wiring device in the construction surface, or a flash plate having a wiring device mounting structure (hereinafter simply referred to as “plate”). A pair of attachment portions (attachment claws) 55 are provided in a projecting manner so as to engage with the engagement holes provided in FIG.
[0048]
On the other hand, the cover 20 has a locked portion 26 that is locked by a locking claw 54 a provided at the distal end portion of the locking projection piece 54 of the assembly member 50 that is inserted from the concave groove 8 of the body 10, in the vicinity of both ends in the longitudinal direction. (See FIG. 5 (d)). A guide surface 27 is formed in the vicinity of the fitting portion 7 on the back side of the cover 20 so as to be inclined inward toward the rear and guide the locking claw 54 a to the locked portion 26.
[0049]
Thus, in order to assemble the body 1 by joining the body 10 and the cover 20, as shown in FIG. 24 (a), the locking protrusions 54 in a state where the body 10 and the cover 20 are abutted on the opening surface side. When the assembly member 50 is pressed toward the opposite side surfaces facing the longitudinal direction of the container body 1 so as to be inserted into the concave groove 8, as shown in FIG. The fitting portions 6 and 7 of the body 10 and the cover 20 are fitted to each other so that the body 10 and the cover 20 are coupled, and at the same time, a locking claw 54 a provided at the tip of the locking protrusion 54 is a guide for the cover 20. The engaging protrusion 54 bends backward (toward the body 10) along the surface 27, and the engaging claw 54a eventually engages with the engaged portion 26 of the cover 20, whereby the fitting portion 6 of the assembly member 50 is engaged. , 7 can be prevented from falling off. In addition, in order to bend the locking protrusion 54 smoothly rearward, as shown in FIG. 24, an inclined surface 10a inclined substantially parallel to the guide surface 27 is provided at a position facing the guide surface 27 of the body 10. desirable.
[0050]
Since the body 10 and the cover 20 are coupled using the synthetic resin assembly member 50 as described above, the assembly frame and the charging unit (the blade receiving block 30) are connected as in the case of using a metal assembly frame. There is an advantage that design restrictions due to the insulation distance are reduced, and that the degree of freedom in design such as selection of the material forming the container 1 and the thickness dimension of the container 1 is increased. In the present embodiment, the fitting portion 6 of the body 10 and the fitting portion 7 of the cover 20 are individually fitted into the pair of fitting holes 51 of the assembly member 50, respectively. Compared with the case where the joint portion is fitted in the same fitting hole, rattling of the assembly member 50 due to the dimensional error of the fitting portions 6 and 7 can be suppressed, and the body 10 and the cover 20 can be firmly coupled. it can. Further, the assembly member 50 is reduced in size by providing the locking protrusion 54 at a portion of the vertical piece 52 of the assembly member 50 sandwiched between the fitting holes 51. In addition, as shown in FIG. 25, the to-be-latched part 26 and the guide surface 27 may be provided in the body 10, and the direction of the latching claw 54a provided in the latching protrusion 54 of the assembly member 50 may be reversed.
[0051]
By the way, a pair of doors 160, 160, a pair of leaf springs 170, 170, and an inner frame 180 are housed inside the cover 20. As shown in FIG. 11, the middle frame 180 includes a pair of through holes 181 and 181 and a groove 182 positioned between the through holes 181 and 181, and a projection (see FIG. (Not shown) and can be temporarily fixed to the cover 20. The pair of doors 160 and 160 and the pair of leaf springs 170 and 170 are disposed between the middle frame 180 and the inner surface of the cover 20.
[0052]
A pair of doors 160 formed in the same shape includes wing pieces 161 and 161 projecting on both sides as shown in FIG. 12, and each wing piece 161 and 161 has a pair of inclined surfaces 162 having different inclination angles. , 163 are juxtaposed. In the doors 160 and 160, a central portion 164 sandwiched between the blade pieces 161 and 161 is accommodated in the groove 182 of the middle frame 180, and leaf springs 170 and 170 are arranged between the outer surface side and the inner wall of the cover 20. In this state, the doors 160 and 160 are accommodated in the cover 20, and the doors 160 and 160 come into contact with each other by urging by the leaf springs 170 and 170.
[0053]
The cover 20 containing the inner frame 180 and the doors 160, 160 is coupled to the body 10 using the assembly member 50. When the body 10 is assembled by coupling the body 10 and the cover 20 with the assembly member 50, The blade receiver 31 of the blade receiver block 30 is positioned in the through hole 181 of the intermediate frame 180, and the partition wall 180a of the intermediate frame 180 is engaged with the partition wall 12 of the body 10 to separate the two blade receivers 31 from each other. ing. The doors 160 and 160 are located between the insertion opening 25 of the cover 20 and the blade holder 31.
[0054]
That is, the wing pieces 161 of one door 160 are slightly covered with the wing pieces 161 of the other door 160 so that no gap is generated between the doors 160 and 160. The closed doors 160 and 160 are positioned between the insertion opening 25 and the blade receiver 31 to hide the blade receiver 31 located at the back of the insertion opening 25. It will be.
[0055]
In this state, if the plug blades of the plugs are inserted into both the insertion ports 25, the plug blades press the inclined surfaces 162 (or 163) of the blades 161 and 161 of the doors 160 and 160, thereby making the door 160 the leaf spring 170. The blade is inserted into the blade holder 31 for this purpose. When the plug is removed, the doors 160 and 160 are restored by the urging force of the leaf springs 170 and 170 to close the insertion port 25 again.
[0056]
In order to construct the outlet of the present embodiment configured as described above on a construction surface such as a wall surface, a plate 100 shown in FIGS. 26 and 27 is used. The plate 100 includes a plate frame 110 that holds the container body 1 and a decorative plate 120 that covers the plate frame 110 and is applied with a good appearance. The synthetic resin plate frame 110 has an insulating property, and the left end portions and the right end portions of the pair of frame pieces 113a and 113b are continuously and integrally joined by the horizontal pieces 112, thereby exposing the front surface of the body 1. The rectangular opening window 111 to be formed is formed in a vertically long rectangular frame shape having a central portion. On the rear surface side of both side edges along the longitudinal direction of the opening window 111, a strip-like fixed beam portion 114 and a movable beam portion 115 are provided so as to face each other.
[0057]
The movable beam portion 115 is continuously and integrally connected to the frame piece 113b via a connecting portion 116 extending in the longitudinal direction of the movable beam portion 115 at both ends in the longitudinal direction, and two intermediate portions are connected to the movable beam portion 115. It is continuously and integrally connected to the frame piece 113b via a bridge portion 117 in the orthogonal direction. Moreover, the part between each connection part 116 and each bridge | bridging part 117 and between both the bridge | bridging parts 117 becomes the slit 118a-118c penetrated in the front and back. The synthetic resin forming the plate frame 110 is flexible, and the movable beam portion 115 and the connecting portion 116 are flexible. The slits 118a and 118c on both sides are formed in an L shape, and the slit 118b in the middle is formed in a straight line. In the frame piece 113b, in the vicinity of each bridge portion 117, long hole-like grooves 119 penetrating the front and back are provided so that the movable beam portion 115 is flexible even at a portion corresponding to the bridge portion 117.
[0058]
On the other hand, on one surface facing the opening window 111 in the fixed beam portion 114 and the movable beam portion 115, there are six holding grooves 114a as holding portions that engage with the mounting claws 55 projecting in pairs from the assembly member 50. 115a (see FIG. 26) are provided at equal pitches. Therefore, when the mounting claws 55 provided on the mounting member 50 are engaged with the holding grooves 114a and 115a, the body 1 is attached to the plate frame 110 with the front surface of the body 1 exposed from the opening window 111. can do. Also, contact portions 114d and 115d that contact the front surface of the horizontal piece 53 of the assembly member 50 are formed at the bases of the fixed beam portion 114 and the movable beam portion 115 so that the container body 1 does not fall forward from the plate frame 110. ing. That is, the front surface of the horizontal piece 53 of the assembly member 50 contacts the contact portions 114d and 115d (see FIG. 28), and the rear surface of the mounting claw 55 is locked to the holding grooves 114a and 115a. Attached to the frame 110.
[0059]
Here, the mounting claws 55 of the container 1 are introduced into the holding grooves 114a and 115a from the rear surface side of the plate frame 110 at the respective front end portions of the surface facing the opening window 111 of the fixed beam portion 114 and the movable beam portion 115. At this time, in order to guide each mounting claw 55 to the holding grooves 114a and 115a, guide portions 114b and 115b having inclined surfaces that are inclined so as to increase the distance from each other toward the distal end side are provided. That is, in order to attach the container body 1 to the plate frame 110 as shown in FIGS. 28A to 28C, the attachment claws 55 of the assembly member 50 fitted to one side surface of the container body 1 are attached to the fixed beam portion 114. Engage with the holding groove 114a, and when the body 1 is pushed forward with respect to the plate frame 110 with the front end of the body 1 substantially aligned with the opening window 111, it is fitted to the other side of the body 1 The mounting claw 55 of the assembly member 50 is driven into the holding groove 115a by the inclined surface 54a and the guide portion 115b while bending the movable beam portion 115, and the mounting claw 55 can be easily engaged with the holding groove 115a.
[0060]
On the other hand, an instrument removal hole 114c that penetrates the front and back of the plate frame 110 is formed between each pair of adjacent holding grooves 114a at the base of the fixed beam portion 114 so that the body 1 is attached to the plate frame 110. While wearing, insert the tip of a screwdriver or removal tool into the instrument removal hole 114c and push the body 1 toward the movable beam 115 with the tip of the jig. Thus, the movable beam 115 can be bent, and the engagement state between the holding groove 114a on the fixed beam 114 side and the attachment claw 55 of the container 1 can be released, and the container 1 can be removed from the plate frame 110. It is like that.
[0061]
By the way, as described above, the plate frame 110 has three pairs of holding grooves 114a and 115a in the fixed beam portion 114 and the movable beam portion 115, respectively. Since a pair of attachment claws 55 are formed, it is possible to attach up to three of the above-mentioned container 1 to the plate frame 110. In other words, the plate frame 110 is for three pieces, and the container body 1 whose attachment dimensions are set so that a maximum of three plate frames 110 can be attached to the three plate frame 110 is referred to as a unit dimension (hereinafter referred to as “one module”). It will be referred to as the container 1 of the above. In this way, by defining the relative mounting dimensions of the container 1 and the plate frame 110, it is possible to attach an arbitrary number of containers 1 in the range of 1 to 3 to the plate frame 110. Become. The pitch of the holding grooves 114a, 115a provided in the fixed beam portion 114 and the movable beam portion 115 is equal to the pitch of the mounting claws 55 projecting from the side surface of the module body 1 of one module, and as described above, Since the holding grooves 114a and 115a are equidistant, the plate frame 110 is formed using any two holding grooves 114a and 115a adjacent to the fixed beam portion 114 and the movable beam portion 115 in the case of the one-module body 1. Can be attached to.
[0062]
Incidentally, a recess 131 is formed in the front surface of the intermediate portion of each horizontal piece 112 of the plate frame 110. In each of the recesses 131, there are a long hole-like box hole 132 through which a box screw for attaching the plate frame 110 to the embedding box is inserted, and a screw for directly attaching the plate frame 110 to a construction surface such as a wall surface. A screw insertion hole 133 to be inserted and a scissor metal fitting hole 134 for engaging a scissor metal fitting (not shown) used when attaching to a wall panel or the like forming the construction surface are provided.
[0063]
Further, at the four corners of the plate frame 110, decorative plate locking holes 135 for locking the locking protrusions 123 protruding from the rear surface of the decorative plate 120 are provided. The decorative plate 120 can be detachably attached so as to cover the front surface of the plate frame 110 by inserting and locking.
[0064]
The decorative plate 120 is formed using an insulating synthetic resin, and has a rectangular main portion 121 that covers the front surface of the plate frame 110, and the rear of the main portion 121 from the periphery to the entire periphery. It is formed in a substantially box shape in which the side wall 122 projecting in a continuous manner is formed. The locking projections 123 are projected from the four corners on the rear surface side of the main portion 121. In addition, an opening window 121 a that exposes the front surface of the container 1 attached to the plate frame 110 is provided at the center of the main part 121.
[0065]
The distance between the opposing surfaces of the side wall 122 of the decorative plate 120 is larger than the width dimension of the corresponding portion of the plate frame 110. That is, when the decorative plate 120 is attached to the front surface side of the plate frame 110 disposed on the construction surface, the plate frame 110 fits inside the decorative plate 120, and the leading edge of the side wall 122 of the decorative plate 120 is substantially on the construction surface. Abut. As a result, the abutment surface between the plate frame 110 and the decorative plate 120 does not protrude forward from the construction surface, and the abutment line between the two is hardly visible from the side surface, improving the appearance. In addition, a plurality of regulating ribs 124 are provided on the inner side surface of the side wall 122 of the decorative plate 120 to contact the side surface of the plate frame 110 and prevent the decorative plate 120 from being displaced relative to the plate frame 110.
[0066]
By the way, on the outer surface of both the frame pieces 113a and 113b of the plate frame 110, there are an inclined surface 113c that inclines so as to protrude outward toward the rear, and an overhang portion 113d that protrudes outward continuously from the inclined surface 113c. Is formed. Further, a rib 125 whose rear end surface comes into contact with the front surface of the overhanging portion 113d protrudes from the inner surface of the upper and lower side walls 122 of the decorative plate 120, and the rib 125 prevents the decorative plate 120 from rattling. When attaching the decorative plate 120 to the plate frame 110, the regulation ribs 124 of the decorative plate 120 are guided by the inclined surfaces 113c formed on the frame pieces 113a and 113b of the plate frame 110, so that the attachment is easy.
[0067]
A pair of cutout portions 126 are provided on one of the upper and lower side walls 122 of the decorative plate 120. A direction in which a jig (such as a tip of a minus driver) is inserted into the cutout portion 126 to separate the decorative plate 120 from the plate frame 110. When a (forward-facing) force is applied, the engagement state between the locking projection 123 of the decorative plate 120 and the decorative plate locking hole 135 of the plate frame 110 is released, and the decorative plate 120 can be removed from the plate frame 110. . In the frame piece 113b of the plate frame 110, a relief portion 136 that is recessed inward from the inclined surface 113c is provided at a position corresponding to the notch portion 126, and the jig inserted into the notch portion 126 can be escaped and inserted to the back. Thus, it is easy to apply a force when removing the decorative plate 120. Further, a rib 137 thinner than the protruding portion 113 d is extended from the rear surface side end portion of the relief portion 136 to the extent that it does not protrude from the cutout portion 126 of the decorative plate 120. That is, there is a risk of scratching the construction surface by applying a force to the jig that is inserted into the notch 126 with the portion that abuts the construction surface as a fulcrum, but it is inserted into the notch 126 by providing the rib 137. When the jig comes into contact with the rib 137 and the decorative plate 120 is removed from the plate frame 110, the work surface can be prevented from being damaged by the jig.
[0068]
On the rear surface side of the decorative plate 120, protruding strips 128 a to 128 c that are respectively inserted into three slits 118 a to 118 c provided in the plate frame 110 when attached to the plate frame 110 are arranged in a row. Here, the dimension of each protrusion piece 128a-128c is the state inserted in each slit 118a-118c of the plate frame 110, and between the internal peripheral surface of slit 118a-118c, and each protrusion piece 128a-128c. The dimensions are set so that only a slight gap is generated. That is, in a state where the decorative plate 120 is attached to the plate frame 110 to which the container body 1 is attached, the three protrusion pieces 128a to 128c are fitted into the slits 118a to 118c of the plate frame 110, and the slits 118a to 118c Since only a slight gap is generated between the peripheral surface and each of the protrusion pieces 128a to 128c, the movement (flexure) of the movable beam portion 115 of the plate frame 110 is restricted. As a result, even when an impact such as pulling out the plug inserted into the outlet with an abnormally large force is applied, the movement of the movable beam portion 115 is restricted as described above, so that the mounting claws 2 of the body 1 are restricted. And the retaining beams 115a and 114a of the movable beam portion 115 and the fixed beam portion 114 are not easily released.
[0069]
(Embodiment 2)
The first embodiment has one plug portion 24 of a type (so-called universal type) in which both a so-called A type plug having a parallel flat type plug blade and a so-called BS type plug having a parallel pin type plug blade can be connected. Although the module body 1 is provided, in the present embodiment, as shown in FIGS. 29 to 31, the same universal type insertion portion 24 as that of the first embodiment, and a so-called O type ground electrode. The plug part 24 'to which the attached plug is connected is provided in the vessel body 1 of three modules (that is, three times the mounting dimensions of one module). The O-type insertion portion 24 'has three flat plug blade insertion holes 25a', 25a ', 25b' into which three flat plug blades including a ground electrode are inserted. The remaining (voltage electrode) flat plug blade insertion ports 25a 'and 25a' are arranged in an inverted C shape on both sides of the flat plug blade insertion port 25b 'into which the blade is inserted.
[0070]
As shown in FIG. 32, the interior of the body 10 is divided into three interior spaces by a plurality of partition walls 12 provided along the longitudinal direction, and an inner frame 260 accommodated in the cover 20 as will be described later. By covering the front surface of the body 10, the internal space of the container 1 is divided into three independent chambers (storage chambers 13a, 13b, 13c). The storage chambers 13a and 13b at both ends are further divided into three chambers along the longitudinal direction of the body 10 by a pair of partition walls 12b having slits 12a.
[0071]
In the body 10, plug blade blocks 30 </ b> A and 30 </ b> B for voltage electrodes are respectively stored in the storage chambers 13 a and 13 b at both ends. The plug blade blocks 30A and 30B are configured such that a blade receiver 31A corresponding to the universal type insertion portion 24 and a blade receiver 31B corresponding to the voltage electrode of the O type insertion portion 24 ′ are coupled to both sides of the terminal plate 41. Configured. However, since the plug blade block 30A stored in one storage chamber 13a and the plug blade block 30B stored in the other storage chamber 13b are in a mirror image relationship, only the plug blade block 30A will be described.
[0072]
The universal type blade receiver 31A has a structure that is substantially the same as that of the blade receiver 31 in the first embodiment. As shown in FIG. 35, a pair of blade receiver springs 32 that sandwich the plug blade at the tip portions facing each other. The U-shaped connecting piece 34 that continuously and integrally connects one side surfaces of the double blade receiving spring 32 and the blade receiving spring 33 that protrudes from the connecting piece 34 and faces the side surface of the double blade receiving spring 32 are provided. In addition, a substantially bowl-shaped leg piece 35 extends from the side edge of the base end side of one blade receiving spring 32, and a pair of caulking projections 36 a are arranged at the tip of the leg piece 35. Is provided.
[0073]
As shown in FIG. 36, the O-type blade holder 31B for the voltage electrode has a pair of blade receiving springs 32 that sandwich the plug blades at the tip portions facing each other and one side surface of the both blade receiving springs 32 continuously integrated. A U-shaped connecting piece 34 coupled to the belt, a belt-like leg piece 35 extending from the side edge on the base end side of one blade receiving spring 32, and a pair of caulking projections 36a arranged in a row. And a coupling piece 36 provided at the tip of 35.
[0074]
As shown in FIG. 37, the terminal plate 41 includes a substantially T-shaped main piece 42, a pair of contact pieces 43 that hang downward from both side edges on one narrow side of the main piece 42, and the width of the main piece 42. A pair of substantially J-shaped locking pieces 44 that hangs backward from both side edges on the other end side of the thick, and a fixing piece (joining part) 45 that protrudes laterally from the side end edges of both chain locking pieces 44, It is formed integrally by processing a belt-shaped metal plate having elasticity and bending the tip of the contact piece 43 and the tip of the locking piece 44 so as to intersect each other. That is, the terminal plate 41 in the present embodiment has a shape in which the two terminal plates 41 in the first embodiment (each terminal plate 41 is in a mirror image relationship) are connected by the main pieces 42, and the contact piece 43. Is provided with a contact portion 43a and a pair of pressing portions 43b and 43c, and the locking piece 44 is provided with a locking portion 44a and a bending portion 44b. The terminal board 41 in the present embodiment is also operated by the release button 60 by setting the width dimension of the contact piece 43 to be narrower (approximately half) than the width dimension of the locking piece 44 as in the first embodiment. Space is secured. Further, the fixed piece 45 is provided with an insertion hole 45a through which a pair of caulking projections 36a arranged in a row on the coupling piece 36 of the blade receivers 31A and 31B is inserted, and is inserted into the pair of insertion holes 45a. By caulking the caulking projection 36a, the coupling piece 36 of the blade receiver 31A is fixed to one fixed piece 45, and the coupling piece 36 of the blade receiver 31B is fixed to the other fixed piece 45, whereby the blade receiving block 30A is fixed. Composed. Thus, in this embodiment, it is a coupling part for coupling a specific part (blade holder 31A, 31B in this embodiment) that is a part that is electrically connected to the electric wire via the terminal plate 41 and that corresponds to the type of wiring device. Since the (fixed piece 45) is provided on the terminal board 41, the terminal board 41 can be used in common even if the specific part is a part of a wiring device other than the outlet, and the cost can be reduced. In addition, the joining method of the fixing piece 45 and the joining piece 36 is not limited to the above-mentioned caulking, and can cope with various joining methods such as adhesion and welding.
[0075]
Thus, the voltage electrode blade receiving blocks 30A and 30B configured as described above store the blade receiving portions 31A and 31B in the sections at both ends in the longitudinal direction as shown in FIG. It is stored in the storage chambers 13a and 13b at both ends of the body 10 so as to be stored in the central section in the longitudinal direction.
[0076]
On the other hand, a plug blade block 30C for an O-type ground electrode is housed in the central storage chamber 13c in the body 10. The grounding electrode plug blade block 30C is configured by connecting a grounding electrode blade holder 31C corresponding to the O-type insertion portion 24 'to the terminal plate 41'.
[0077]
As shown in FIG. 38, the O-type ground electrode blade receiver 31C has a pair of blade springs 32 sandwiching the plug blades at the tip portions opposed to each other and the rear edge of the double-blade blade spring 32 continuously integrated. A connecting piece 34 to be coupled, a belt-like leg piece 35 extending from the side edge of the connecting piece 34 and bent in a substantially bowl shape, a caulking projection 36a, and a positioning hole 36b are arranged in a row to form the leg piece 35. And a coupling piece 36 provided at the tip.
[0078]
The terminal plate 41 ′ is substantially the same as the shape obtained by removing the fixed piece 45 from the voltage electrode terminal plate 41, and includes a main piece 42, a pair of contact pieces 43 and a locking piece 44 as shown in FIG. The piece 43 is provided with a contact portion 43a and a pair of pressing portions 43b and 43c, and the locking piece 44 is provided with a locking portion 44a and a bending portion 44b. The main piece 42 has a caulking hole 42a through which a caulking protrusion 36a provided in the coupling piece 36 of the blade receiver 31C is inserted, and a positioning protrusion 42b fitted into the positioning hole 36b. It is installed.
[0079]
Accordingly, the positioning projections 42b projecting from the main piece 42 of the terminal plate 41 'are fitted into the positioning holes 36b penetrating the coupling piece 36 of the blade receptacle 31C, and the terminal plate 41' and the blade receptacle 31C are fitted. , And the caulking protrusion 36a projecting from the coupling piece 36 is inserted into the caulking hole 42a penetrating the main piece 42 and caulked to thereby fix the main piece 42 and the blade of the terminal plate 41 '. The blade receiving block 30C is configured by combining the coupling pieces 36 of the receiving 31C.
[0080]
Therefore, the blade receiving block 30C for the ground electrode configured as described above is housed in the storage chamber 13c in the center of the body 10 with the blade receiving 31C on the lower side in the drawing as shown in FIG. Here, in the structure in which two holes 42b for caulking and positioning are arranged in the main piece 42 of the terminal plate 41 as shown in FIG. 40 (b), the interval between the recesses for processing for providing the holes 42b. May become so narrow that the strength of the main piece 42 may decrease, and the size of the main piece 42 must be increased in order to ensure the strength. On the other hand, in the present embodiment, the caulking projection 36a and the positioning hole 36b are provided in the coupling piece 36 of the blade receiver 31C, and the caulking hole 42a and the positioning projection 42b are provided in the main piece 42 of the terminal plate 41. Therefore, the gap between the caulking hole 42a and the positioning projection 42b can be widened to prevent the strength reduction without increasing the size of the main piece 42 (see FIG. 40A).
[0081]
In this embodiment, the terminal block 41 and the blade receivers 31A, 31B formed separately are combined to form the blade receiver blocks 30A, 30B. However, as shown in FIG. 41, the blade receivers 31A, 31B If the terminal plate 41 is integrally formed by processing a metal member, there is an advantage that a connecting operation such as caulking is not required. Here, as a structure of the blade receivers 31A and 31B, for example, as shown in FIG. 41, a pair of blade receiving springs 32 are connected to the rear edge, that is, the connecting piece 34 faces the tip of the plug blade in the plug blade insertion direction. 42B and FIG. 42C, the pair of blade receiving springs 32 are connected so that the side edges thereof, that is, the connecting pieces 34 are along the insertion direction of the plug blades. However, in the former structure, the spring performance of the blade receiving spring 32 is excellent compared to the latter structure, and in the latter structure, compared to the former structure, so-called plate cutting when punching from a metal member is excellent. In view of necessary performance, any structure may be selected and combined as appropriate. Further, as shown in FIG. 42A, the blade receiving spring 33 of the universal type blade receiver 31A may be connected to the side edge of the one blade receiving spring 32 in the former structure.
[0082]
As shown in FIG. 32, a pair of electric wire insertion holes 11 communicating with the three storage chambers 13 a, 13 b, and 13 c are respectively penetrated at substantially the center in the longitudinal direction of the bottom wall of the body 10. If the electric wire is inserted between the contact piece 43 and the lock piece 44 through the lock piece 44a of the lock piece 44, the lock portion 44a of the lock piece 44 bites into the electric wire and is prevented from coming off as described in the first embodiment. The electric wire elastically contacts the contact portion 43a of the contact piece 43 by the spring force, and further, the electric wire is pressed toward the locking piece 44 by the pair of pressing portions 43b and 43c, and the locking portion 44a and the pair of pressing portions 43b and 43c The pressing force is balanced and the electric wire is pinched.
[0083]
Here, in the terminal plates 41 and 41 ′, each pair of contact pieces 43 and locking pieces 44 are provided separately at both ends of the main piece 42, and each pair of the wire insertion holes 11 also corresponds to this. They are separated by a predetermined distance. Therefore, when two electric wires are connected to each of the terminal plates 41 and 41 ′ for the feed wiring, the adjacent two electric wire insertion holes 11 are separated, so that the electric wires can be reliably connected one by one. It is. On the other hand, as shown in FIG. 43, the two contact pieces 43 are arranged close to the center of the terminal plates 41 and 41 ′, and two electric wires corresponding to the two contact pieces 43 as shown in FIG. If the insertion hole 11 is partially communicated and provided in the body 10, the advantage is that two electric wires can be inserted together into the electric wire insertion holes 11 and connected simultaneously to the terminal plates 41 and 41 ′. There is.
[0084]
By the way, in this embodiment, the release button 80 that constitutes the terminal portion 40 for the voltage electrode together with the terminal plate 41 and the release button 200 that constitutes the terminal portion 40 for the ground electrode together with the terminal plate 41 ′ have different shapes. Is formed. However, as will be described later, the release buttons 80 or 200 arranged adjacent to each other have a mirror image relationship, and only one shape will be described below.
[0085]
The release button 80 for the voltage electrode is made of a synthetic resin molded product, and is extended in the longitudinal direction of the operation portion 81 from one end side of the operation portion 81 and the operation portion 81 as shown in FIG. A drive part 82 protruding in the short direction and an arm part 83 protruding in the same direction as the drive part 82 from the vicinity of the other end of the operation part 81 are integrally formed. The arm portion 83 is formed to have a width dimension smaller than the width dimension of the operation portion 81, and a push projection 84 that projects toward the drive portion 82 is integrally formed at the tip thereof. In addition, the drive unit 82 has a larger amount of protrusion from the operation unit 81 than the arm unit 83, and a recess 82 a that opens downward and on one side surface is formed on the inner surface facing the arm unit 83. Yes. On the bottom surface of the recess 82a facing the arm portion 83, an inclined surface 82b is formed that inclines in a direction gradually moving away from the arm portion 83 from the tip toward the operation portion 81. A positioning portion 85 that protrudes on the opposite side of the arm portion 83 is provided on the outer surface of the tip portion of the driving portion 82.
[0086]
On the other hand, a pair of longitudinal grooves 15 communicating with the respective storage chambers 13a and 13b are arranged in parallel on both side surfaces of the body 10 in the short direction, and the operation portion 81 is inserted into the longitudinal grooves 15 to be released. A button 80 is disposed opposite to the terminal plate 41 in each of the storage chambers 13a and 13b in the body 10 (see FIG. 34). Here, the release button 80 is opposed to a portion where the arm portion 83 does not face the contact piece 43 in the locking piece 44 of the terminal plate 41, and the wire insertion hole 11 of the body 10 and the recess 82 a of the drive portion 82 face each other. In addition, the operation portion 81 is movably disposed in the storage chambers 13a and 13b so as to protrude from the vertical groove 15 so as to be able to advance and retract. In addition, since the width dimension of the contact piece 43 is made narrower than the width dimension of the locking piece 44 as already demonstrated, the opposing area of the arm part 83 and the locking piece 44 can be taken widely. Yes. A return spring 90 that elastically biases the operating portion 81 in a direction protruding from the longitudinal groove 15 and returns the release button 80 to a position (non-connected position) when no electric wire is connected is provided in each of the storage chambers 13a and 13b. It is stored in.
[0087]
As shown in FIG. 46, the return spring 90 has a pair of spring pieces 91 whose front ends are bent at a substantially right angle and whose rear end portions are bent into a substantially square shape, and the front ends from one side edge of the rear end portion of the spring pieces 91. A fixing portion 92 protruding to the side and a connecting piece 92 for connecting the spring piece 91 at the side edge of the rear end portion are integrally formed. As shown in FIG. 47, the fixing portion 92 has a substantially U-shaped tip, and sandwiches a fixed portion 46 formed of a notch provided in the vicinity of the main piece 42 in the locking piece 44 of the terminal plate 41. The return spring 90 is fixed (temporarily fixed) to the terminal plate 41. When the blade receiving blocks 30A and 30B with the return spring 90 temporarily fixed to the terminal plate 41 are stored in the storage chambers 13a and 13b, the terminal plate 41 comes into contact with the inner wall of the body 10 and the rear end portion of the spring piece 91 is narrow. The return spring 90 is permanently fixed to the terminal board 41 (see FIG. 34). Further, if the release button 80 is disposed in the storage chambers 13a and 13b, the tip of the spring piece 91 of the return spring 90 comes into contact with the tip of the drive part 82 of the release button 80, and the spring force of the spring piece 91 The release button 80 is elastically biased in a direction to return to a non-connection position (a position where the operation unit 81 protrudes from the vertical groove 15 of the body 10). Note that the release button 80 is prevented from being detached from the body 1 by bringing the positioning portion 85 provided in the drive portion 82 into contact with the inner wall surface of the cover 20. Here, the terminal plate 41 is provided with a fixed portion 46 ′ which is a rectangular through hole and is paired with the fixed portion 46, and as shown in FIG. 48, a return spring 90 having only one spring piece 91. In the case of using ', the fixed portions 46 and 46' that are paired by the fixing portion 92 of the return spring 90 'are sandwiched and temporarily fixed, so that the two spring pieces 91 and 91 are integrated as a return spring. 90 and the return spring 90 ′ having only one spring piece 91 can be attached to the same terminal plate 41, and the cost can be reduced by sharing parts and the width of the configuration of the wiring device can be widened. .
[0088]
Thus, when an electric wire is inserted between the contact piece 43 and the locking piece 44 of the terminal plate 41 through the electric wire insertion hole 11 and connected to the terminal portion 40 (terminal plate 41), the tip of the electric wire is moved to the release button 80. The drive unit 82 comes into contact with the inclined surface 82b formed in the recess 82a of the drive unit 82, and the direction in which the drive unit 82 approaches the cover 20 and the operation unit 81 are the body by the insertion force of the electric wire (the force acting in the insertion direction of the electric wire). The release button 80 is pushed and driven in the direction of entering 1. As a result, in a state where the electric wire is connected to the terminal portion 40, a part of the operation portion 81 moves to a position (connection position) where the operation portion 81 is drawn into the body 1. That is, whether the operation part 81 of the release button 80 is movable between the non-connection position and the connection position, and whether the electric wire is connected to the terminal plate 41 depending on the position of the operation part 81 (non-connection position or connection position). It is possible to confirm whether or not.
[0089]
It should be noted that protrusions 16 projecting in the short direction of the body 10 are provided in the vicinity of the rear end of the longitudinal groove 15 on both lateral sides of the body 10 to form a step between the side surfaces of the body 10. Has been. In other words, the operation portion 81 of the release button 80 slightly protrudes from the side surface of the container 1 (body 10) at the connection position, but a step is formed between the side surface of the body 10 by providing the protrusion 16. Therefore, when viewed from the bottom surface side of the container body 1 (body 10) where the wire insertion hole 11 is opened, the operation portion 81 of the release button 80 in the non-connection position appears to protrude outward from the protrusion 16. On the other hand, the operation part 81 of the release button 80 in the connection position is hidden behind the protrusion 16 and cannot be seen, and the connection state of the electric wire is easily determined depending on whether the release button 80 is approved for viewing when viewed from the bottom of the container 1. It becomes possible to distinguish. Further, if the operation unit 81 of the release button 80 is colored in a color different from that of the body 10, there is an advantage that the position of the release button 80 can be easily recognized.
[0090]
On the other hand, in order to pull out the electric wire connected to the terminal portion 40, the operation portion 81 exposed on the side surface of the body 1 is pushed through the vertical groove 15 with a finger, and further released from the connection position to the inside of the body 1 When the button 80 is moved, the locking protrusion biting into the electric wire is pressed by pressing the distal end of the locking portion 44a of the terminal plate 41 with the pushing projection 84 protruding from the distal end of the arm portion 83 of the release button 80. The wire 44 can be pulled out by bending the locking piece 44 so that the portion 44 is separated from the wire. If the pressing operation of the operation portion 81 is stopped after the electric wire is pulled out, the release button 80 is moved by the spring force of the return spring 90, and the operation portion 81 automatically returns to the non-connection position. In the present embodiment, since the operation unit 81 is provided on one end side of the release button 80 provided with the pushing projection 84, the operation position (operation unit 81) of the release button 80 and the arm unit 83 are The operability of the release button 80 is improved by reducing the amount of operation required to press the locking portion 44a as the distance becomes shorter.
[0091]
By the way, in the present embodiment, when the release button 80 is incorporated into the storage chambers 13a and 13b of the body 10, a pushing projection 84 is provided between the base ends of the two contact pieces 43 on the terminal plate 41 as shown in FIG. The terminal plate 41 is temporarily fixed by being engaged with the engaging portion 48 formed. At this time, the locking portion 44a of the locking piece 44 facing the engaging portion 48 abuts on the pushing projection 84, and the release projection button 84 is held between the fluorescent portion 48 and the locking portion 44a. 80 is surely temporarily fixed. That is, since the release button 80 is urged by the return spring 90 attached to the terminal board 41, if it is not temporarily fixed in this way, the posture is not stabilized and the assembling workability is reduced. The workability of assembling the release button 80 can be improved by stopping. In addition, a guide surface 84a that is inclined toward the tip away from the operation unit 81 is formed on the surface of the tip of the push projection 84 that faces the operation unit 81 (see FIG. 45). When the portion 84 is engaged with the engaging portion 48, the guide surface 84a and the engaging portion 48 are in sliding contact with each other, and the pushing projection 84 is guided toward the locking portion 44a. It is. Then, after the release button 80 is incorporated into the body 10, when the terminal plate 41 is pushed in a direction approaching the drive portion 82 of the release button 80 (upward in FIG. 49B), the engaging portion 48 comes into sliding contact with the guide surface 84a. However, it moves in the anti-engagement direction to disengage from the pushing projection 84, and the temporarily fixed state of the release button 80 with respect to the terminal board 41 is released.
[0092]
On the other hand, the release button 200 for the ground electrode is also made of a synthetic resin molded product, as shown in FIG. 50, a substantially rectangular operation unit 201, and a drive unit 202 that protrudes from one end on one side of the operation unit 201, An arm portion 203 projecting sideways from the other end of the side surface and a pushing projection 204 projecting from the tip of the arm portion 203 toward the drive unit 202 are integrally formed. The arm portion 203 is formed to have a width that is narrower than the width of the operation portion 201 (see FIG. 50B). Further, the drive unit 202 has a larger amount of protrusion from the operation unit 201 than the arm unit 203, and the inner surface (the lower surface in FIG. 50A) facing the arm unit 203 has a lower side and one side. A recess 202a that is open to the bottom is formed. On the bottom surface of the recess 202a facing the arm portion 203, an inclined surface 202b is formed that inclines in a direction gradually moving away from the arm portion 203 from the tip toward the operation portion 201. In addition, the surface 202 c with which the tip of the spring piece 91 of the return spring 90 in the drive unit 202 abuts is formed in a shape that is recessed in the biasing direction of the return spring 90. Further, a relief portion 205 that allows the blade receiver 31C of the blade receiving block 30C to escape when it is stored in the storage chamber 13c is recessed on the outer side surface of one end from which the drive unit 202 of the operation unit 201 protrudes. 200 can be prevented from interfering with the blade receiver 31C, and at the same time, the distance between the release button 200 and the blade receiver 31C can be reduced to reduce the size of the container 1 (see FIG. 34).
[0093]
Incidentally, as shown in FIG. 32, on the bottom surface of the body 10, a projecting portion 2 that protrudes rearward is provided at a portion where the wire insertion hole 11 at the center in the longitudinal direction is provided. In other words, a projecting part 3 that protrudes slightly rearward from the projecting part 2 is provided at substantially the center of the bottom surface of the body 10, and the central projecting part 3 penetrates into the storage chamber 13 c in the body 10. An electric wire insertion hole 11 is provided. The protrusions 2 at both ends are formed integrally with the protrusions 16 that protrude from the center of both lateral sides of the body 10. Further, a recessed portion 4 that is recessed inside the body 10 is provided in a portion surrounded by the protruding portions 2 and 3 at the center of the bottom surface of the body 10, and the recessed portion 4 extends from the side facing the recessed portion 4 of the protruding portion 3. A pair of insertion grooves 5 communicating with the storage chamber 13c is formed over the bottom surface. Then, the release button 200 is disposed so as to face the terminal plate 41 ′ in the storage chamber 13 c in the body 10 so that the operation portion 201 is inserted into these insertion grooves 5, and the return button attached to the terminal plate 41 ′. The operating portion 201 is elastically biased in a direction protruding from the insertion groove 5 by the spring 90 and stored in the storage chamber 13c. (See FIG. 51). In order to prevent the release button 200 from falling in the direction in which the drive unit 202 moves away from the terminal board 41 ′ when the release button 200 is incorporated into the body 10, as shown in FIG. 51 (a), the storage chamber 13 c of the body 10. Is provided with a rib 17 as a fall prevention means that abuts on and supports the release button 200, thereby preventing the release button 200 from falling and improving the assembly workability.
[0094]
Thus, when an electric wire is inserted between the contact piece 43 and the locking piece 44 of the terminal plate 41 ′ through the electric wire insertion hole 11 and connected to the terminal plate 41 ′, the tip of the electric wire is connected to the drive portion of the release button 200. The release button 200 is pressed against the inclined surface 202b formed in the recess 202a of the 202 in such a direction that the drive unit 202 approaches the cover 20 and the operation unit 201 enters the body 1 by the insertion force of the electric wire. Driven. As a result, in a state where the electric wire is connected to the terminal plate 41 ′, a part of the operation unit 201 moves to a position (connection position) where the operation unit 201 is drawn into the inside of the container body 1 (see FIG. 51B). . That is, the operation unit 201 of the release button 200 is movable between the non-connection position and the connection position, and the electric wire is connected to the terminal plate 41 ′ by the position of the operation unit 201 (non-connection position or connection position). It can be confirmed whether or not. In addition, since the release button 200 is movable in two directions, the front-rear direction and the longitudinal direction, the visibility is improved as compared with a case where the release button 200 moves only in one direction. If the operation unit 201 of the release button 200 is colored in a color different from that of the body 10, the position of the release button 200 can be easily recognized.
[0095]
On the other hand, in order to pull out the electric wire connected to the terminal plate 41 ′, the operation part 201 exposed in the recess 4 on the bottom surface of the container body 1 is pushed by the finger through the insertion groove 5, and further the container body from the connection position. 1 When the release button 200 is moved to the inside, the end of the lock portion 44a of the terminal plate 41 ′ is pressed by the pushing projection 204 projecting from the tip of the arm portion 203 of the release button 200. It is possible to pull out the electric wire by bending the lock piece 44 so that the locked lock portion 44a is separated from the electric wire. If the pressing operation of the operation unit 201 is stopped after the electric wire is pulled out, the release button 200 is moved by the spring force of the return spring 90, and the operation unit 201 automatically returns to the non-connection position. The space for operating the operation unit 201 can be secured by the recess 4, and as a result, the amount by which the terminal portion 40 for the ground electrode protrudes from the bottom surface of the device body 1, that is, from the bottom surface of the device body 1 of the projecting table portion 3. The size of the container 1 can be reduced while suppressing the protrusion amount. Moreover, in this embodiment, it is set as the inclined surfaces 2a and 3a which incline in the recessed part 4 side toward the bottom face of the recessed part 4, and the surrounding surface (side surface which faces the recessed part 4 of the protrusion parts 2 and 3) of the recessed part 4, The opening area of the recess 4 is widened to make it easier to put a finger and the operability of the release button 200 is improved.
[0096]
As already described, the universal type insertion portion 24 and the O type insertion portion 24 ′ are formed on the front wall of the cover 20. The body 10 is assembled by coupling the body 10 and the cover 20 by fitting the assembly member 210 to the fitting portions 6 and 7 provided on both the body 10 and the cover 20.
[0097]
As shown in FIG. 32, rectangular fitting portions 6 are provided on both side surfaces of the body 10 facing in the short direction, with both sides sandwiching a central portion provided with a pair of longitudinal grooves 15, respectively. A concave groove 8 is formed in front of the fitting portion 6 (left side in FIG. 32B). On the other hand, as shown in FIG. 33, a pair of insertion grooves 21 communicating with the longitudinal grooves 15 of the body 10 are provided in the center portion in the longitudinal direction on both side surfaces of the cover 20 in the short direction, and both sides sandwiching the insertion grooves 21 A fitting portion 7 having the same shape and the same size as the fitting portion 6 of the body 10 is provided in a protruding manner. In the state where the cover 20 is abutted against the opening surface of the body 10, the fitting portions 6 and 7 are arranged in a row with the concave groove 8 interposed therebetween.
[0098]
The assembly member 210 is made of a synthetic resin molded product having elasticity, and as shown in FIGS. 29 and 30, a pair of fitting holes 211 for fitting with the fitting portions 6, 7 are formed in the front-rear direction of the container 1 (FIG. 29). A pair of strip-like coupling pieces 212 arranged in parallel in the vertical direction in FIG. 5 and strip-like horizontal pieces 213 each having an end connected to the tip of each of the coupling pieces 212. A locking projection piece 214 having a locking claw 214a at the tip is projected from the substantially central portion sandwiched between the fitting holes 211 on the back side of the coupling piece 212 facing 1. Each fitting piece 211 is provided with an attachment claw 215 that engages with the attachment hole of the attachment frame or the plate, and protrudes outward so as to be aligned with the fitting hole 211.
[0099]
On the other hand, on the cover 20, a locked portion 26, which is locked by a locking claw 214 a provided at the distal end portion of the locking projection piece 214 of the assembly member 210 inserted from the concave groove 8 of the body 10, faces in the short direction. (See FIG. 33). A guide surface 27 is formed in the vicinity of the fitting portion 7 on the inside of both side walls of the cover 20 so as to incline backward toward the inside and guide the locking claw 214a to the locked portion 26.
[0100]
Thus, in order to assemble the body 1 by joining the body 10 and the cover 20, the locking projection piece 214 is inserted into the concave groove 8 with the body 10 and the cover 20 butted on the opening surface side. When the assembly member 210 is pressed toward both lateral sides of the container body 1, the body 10 and the fitting portions 6 and 7 of the cover 20 are fitted in the fitting holes 211 of the assembly member 210, respectively. And the cover 20 are combined, and at the same time, the latching projection piece 214 bends backward (to the body 10 side) so that the latching claw 214a provided at the tip of the latching projection piece 214 follows the guide surface 27 of the cover 20. Eventually, the locking claw 214a is locked to the locked portion 26 of the cover 20, so that the assembly member 210 can be prevented from falling off from the fitting portions 6 and 7. The central portion of the horizontal piece 213 is bent to escape the release button 80 exposed on the side surface of the vessel 1.
[0101]
By the way, inside the cover 20, a first door 240 for closing the universal-type insertion part 24 so that it can be opened and closed, a second door 250 for closing the O-type insertion part 24 ′ so that it can be opened and closed, and a body 10 is disposed between the front surface of the cover 20 and the front wall of the cover 20 and accommodates a first frame 240 and a middle frame 260 that are slidably supported so as to be housed inside the cover 20. . That is, the plug 24 is pushed by the tip of the plug blade inserted into the plugs 24, 24 ′ and slides in a state where the first and second doors 240, 250 are supported by the inner frame 260. , 24 ′ and the plug blades can be connected to the blade receivers 31 </ b> A and 31 </ b> B through the plug blade insertion holes 261 provided in the middle frame 260. Further, when the plug blade is pulled out from the insertion portions 24, 24 ', the first and second doors 240, 250 are slid by the return spring 254 made of a coil spring, that is, the original positions, that is, the insertion portions 24, 24'. It is possible to prevent foreign matter other than the plug blade of the plug from being inserted into the insertion portions 24 and 24 ′.
[0102]
Also, in the present embodiment, similarly to the first embodiment, the plate 100 is used to be embedded in a construction surface such as a wall surface. At this time, the direction in which the protruding portion 3 on the back of the container 1 is positioned vertically upward with respect to the recess 4, that is, the direction in which the universal type insertion portion 24 is positioned on the O type insertion portion 24 ′. Since the upper part of the recess 4 is blocked by the protrusion 3 (terminal part), dust and the like can be prevented from accumulating in the recess 4. Further, in the construction site, there is a case where the electric wire is connected with the container body 1 attached to the plate frame 110. In this case, the operation portion 81 of the release button 80 protruding from the container body 1 interferes with the plate frame 110. If the wire cannot be moved to the normal non-connection position, it may be difficult to connect the wires. Therefore, in the present embodiment, the plate frame 110 is escaped by inclining the back surface of the drive unit 82 of the release button 80 (the surface exposed to the outside of the container 1 from the vertical groove 15) (see FIG. 52).
[0103]
By the way, since the release button 80 for the voltage electrode protrudes out of the container 1 at the non-connection position, there is a possibility that dust may enter from the clearance between the release button 80 and the container 1 until it is actually constructed. There is. Therefore, only until it is actually constructed, as shown in FIG. 53 (a), a fixed disk-shaped head 282 having a larger diameter than the shaft 281 is provided at the rear end of the cylindrical shaft 281. When the pin 280 is inserted into the electric wire insertion hole 11 and the release button 80 is fixed at the connection position, the clearance between the release button 80 and the container 1 is narrowed, so that dust can be prevented from entering (see FIG. 53 (b)). ). And at the time of actual construction, the fixing pin 280 may be removed and the electric wire connected.
[0104]
(Embodiment 3)
In the second embodiment, the universal type insertion portion 24 and the O-type insertion portion 24 'with a grounding pole are provided in the three-module unit 1; As shown in FIG. 4, two plugs 24 ′ with an O-type ground electrode are provided in the three-module body 1.
[0105]
As shown in FIG. 57, the interior of the body 10 is divided into three internal spaces by the partition wall 12, and the front surface of the body 10 is covered by the middle frame 260 ′ housed in the cover 20. The internal space is divided into three independent storage chambers 13a, 13b, and 13c. The storage chambers 13a and 13b at both ends are further divided into three chambers along the longitudinal direction of the body 10 by a pair of partition walls 12b having slits 12a.
[0106]
In the body 10, blade receiving blocks 30A and 30B for voltage electrodes are respectively stored in the storage chambers 13a and 13b at both ends. Each of the blade receiving blocks 30A and 30B is configured by fixing the O-type blade receiving 31B to the fixed piece 45 of the terminal plate 41, respectively. Each blade receiving 31B is accommodated in a partition at both ends in the longitudinal direction, and the terminal plate 41 is accommodated. It is stored in the storage chambers 13a and 13b at both ends of the body 10 so as to be stored in the central section in the longitudinal direction.
[0107]
On the other hand, a blade receiving block 30C for the ground electrode is stored in the central storage chamber 13c in the body 10. In the blade receiving block 30C, two O-type blade receiving portions 31B are connected by a leg piece 35, and are fixed to the terminal plate 41 'by a coupling piece 36 provided on the leg piece 35. That is, the positioning projections 42b projecting from the main piece 42 of the terminal plate 41 ′ are fitted into the positioning holes 36b penetrating the coupling piece 36 to position the terminal plate 41 ′ and the blade receiver 31C. The caulking protrusion 36a projecting from the coupling piece 36 is inserted into the caulking hole 42a penetrating the main piece 42 and caulked, thereby coupling the main piece 42 of the terminal plate 41 'and the blade receiver 31C. The blade receiving block 30C is configured by joining the pieces 36 together.
[0108]
As shown in FIG. 59A, if the blade holder 31B and the terminal plate 41 are integrally formed by processing a metal member, there is an advantage that a connecting operation such as caulking is not required. Here, as a structure of the blade receiver 31B, for example, as shown in FIG. 59 (a), a pair of blade receiving springs 32 are arranged at the rear edges, that is, the connecting piece 34 faces the tip of the plug blade in the plug blade insertion direction. The structure which connects so that it may do, and the structure which connects a pair of blade receiving spring 32 as shown in FIG.59 (b) so that the side edge, ie, the connection piece 34, follows the insertion direction of a plug blade can be considered. However, in the former structure, the spring performance of the blade receiving spring 32 is excellent compared to the latter structure, and in the latter structure, compared to the former structure, so-called plate cutting when punching from a metal member is excellent. Any structure may be appropriately selected and combined in view of required performance.
[0109]
In each of the storage chambers 13a to 13c, the release buttons 80 and 200 are stored together with the terminal plates 41 and 41 'to form the terminal portion 40. The configuration of the terminal portion 40 is the same as that of the second embodiment, and the description will be given. Omitted.
[0110]
The assembly member 220 in this embodiment is made of a synthetic resin molded product having elasticity, and as shown in FIG. 60, a pair of fitting holes 221 for fitting with the fitting portions 6 and 7 are formed in the front-rear direction of the container body 1 (FIG. 60). A locking protrusion 224 having a locking claw 224a at the tip from a substantially central portion sandwiched between the fitting holes 221 on the back side facing the container body 1 is formed in a strip shape arranged in parallel in the vertical direction in FIG. Are projecting outward, and mounting claws 225 that engage with the mounting holes of the mounting frame and the plate are projected outward so as to be aligned with the fitting holes 221.
[0111]
Thus, the assembly member 220 can be pressed toward both lateral sides of the container body 1 so that the locking protrusions 214 are inserted into the concave grooves 8 with the body 10 and the cover 20 abutted on the opening surface side. For example, the fitting portions 6 and 7 of the body 10 and the cover 20 are fitted in the respective fitting holes 221 of the assembly member 220 so that the body 10 and the cover 20 are coupled to each other, and at the same time, the tip of the locking protrusion 224. The locking protrusion 224 bends backward (to the body 10 side) so that the locking claw 224a provided on the cover 20 follows the guide surface 27 of the cover 20, and the locking claw 224a eventually locks to the locked portion 26 of the cover 20 By doing so, it is possible to prevent the assembly member 220 from falling off the fitting portions 6 and 7.
[0112]
In addition, the cover 20 is disposed between the two doors 250 for opening and closing the O-type insertion portion 24 ′ so as to be freely opened and closed, and between the front surface of the body 10 and the front wall of the cover 20. An inner frame 260 ′ that is slidably supported so as to be housed inside is housed. That is, the insertion portion 24 ′ is opened by being slid in a state where the door 250 is supported by the middle frame 260 ′ by being pushed by the tip of the plug blade inserted into the insertion portion 24 ′, and the middle frame 260 ′ is opened. The plug blade can be connected to the blade receiver 31B through the plug blade insertion hole 261 ′ provided therethrough. Further, when the plug blade is pulled out from the insertion portion 24 ', the door 250 is slid by the return spring 254 made of a coil spring to return to the original position, that is, the position where the insertion portion 24' is closed. Can be prevented from being inserted into the insertion portion 24 '.
[0113]
As shown in FIG. 61, if the width dimension of the end portion of the assembly member 220 where the mounting claws 225 are provided is made narrower than the width dimension of other parts, the assembly member 220 with respect to the body 10 and the cover 20 There is an advantage that the fitting direction is easy to understand and the workability is improved.
[0114]
(Embodiment 4)
The third embodiment is provided with two plugs 24 ′ with O-type grounding poles in the three-module body 1, but this embodiment is an O-type as shown in FIGS. 62 to 64. In this case, only one plug-in portion 24 ′ with a grounding electrode is provided in the two-module body 1.
[0115]
As shown in FIG. 65, the interior of the body 10 is divided into three interior spaces by the partition wall 12, and the front surface of the body 10 is covered with an inner frame 260 ″ housed in the cover 20. The internal space is divided into three independent storage chambers 13a, 13b, 13c, and the storage chambers 13a, 13b at both ends are further separated along the longitudinal direction of the body 10 by a pair of partition walls 12b having slits 12a. It is divided into rooms.
[0116]
In the body 10, blade receiving blocks 30A and 30B for voltage electrodes are respectively stored in the storage chambers 13a and 13b at both ends. The blade receiving blocks 30A and 30B are configured by fixing an O-type blade receiving 31B to one fixed piece 45 of the terminal plate 41. Each blade receiving 31B is housed in a section at both ends in the longitudinal direction, and the terminal plate 41 is stored. It is stored in the storage chambers 13a and 13b at both ends of the body 10 so as to be stored in the central section in the longitudinal direction.
[0117]
On the other hand, a blade receiving block 30C for the ground electrode is stored in the central storage chamber 13c in the body 10. However, the blade receiving block 30C has the same configuration as the blade receiving block 30C in the second embodiment. As shown in FIG. 67 (a), if the blade holder 31B and the terminal plate 41 are integrally formed by processing a metal member, there is an advantage that a connecting operation such as caulking is unnecessary. Here, as a structure of the blade receiver 31B, for example, as shown in FIG. 67 (a), a pair of blade receiving springs 32 are arranged at their rear edges, that is, the connecting piece 34 faces the distal end of the plug blade in the plug blade insertion direction. As shown in FIG. 67 (b), a structure in which the pair of blade receiving springs 32 are connected so that the side edges thereof, that is, the connecting pieces 34 are in the plug blade insertion direction, is conceivable. However, in the former structure, the spring performance of the blade receiving spring 32 is excellent compared to the latter structure, and in the latter structure, compared to the former structure, so-called plate cutting when punching from a metal member is excellent. Any structure may be appropriately selected and combined in view of required performance.
[0118]
In each of the storage chambers 13a to 13c, the release buttons 80 and 200 are stored together with the terminal plates 41 and 41 'to form the terminal portion 40. The configuration of the terminal portion 40 is the same as that of the second embodiment, and the description will be given. Omitted.
[0119]
Here, the same assembly member 220 as in the third embodiment can be used in this embodiment. That is, the assembly member 220 is configured such that the mounting claws 225 that engage with the mounting holes of the mounting frame and the plate are projected outward so as to be aligned with the fitting holes 221. By providing the fitting portions 6 and 7 and the concave groove 8 at positions corresponding to the holding grooves 114a and 115a of the plate frame 110 on both side surfaces in the short direction, the three-module body 1 and the two-module body 1 Thus, the assembly member 220 can be shared, and the cost can be reduced by reducing the number of parts compared to the case where a dedicated assembly member is used for each.
[0120]
In addition, the cover 20 is disposed between the door 250 that can open and close the O-type insertion portion 24 ′ and the front surface of the body 10 and the front wall of the cover 20. And an inner frame 260 ″ that is slidably supported so as to be housed in the housing. That is, the door 250 is supported by the inner frame 260 ″ by being pushed by the tip of the plug blade inserted into the insertion portion 24 ′. The plug 24 'is opened by sliding and moving, and the plug blade can be connected to the blade holder 31B through the plug blade insertion hole 261 "penetrating the middle frame 260". When the plug blade is pulled out from the insertion portion 24 ', the door 250 is slid by the return spring 254 to return to the original position, that is, the position where the insertion portion 24' is closed, and foreign matter other than the plug blade of the plug is inserted. It can prevent being inserted into the insertion portion 24 ′.
[0121]
By the way, in the terminal portion 40 of the first to fourth embodiments, for example, the pressing force applied from the pressing protrusion 64 to the locking piece 44 of the terminal plate 41 when the release button 60 is operated is biased to one side in the width direction of the locking piece 44. Therefore, the locking piece 44 is bent while being distorted in the pressing direction, and an extra pressing force is required to separate the locking portion 44a from the electric wire. Therefore, as shown in FIG. 68 (a), the contact piece 43 is provided at a position opposite to the approximate center in the width direction of the locking piece 44, and from the operation portion 61 of the release button 60 as shown in FIG. 68 (b). Two arm portions 63 each having a pushing projection 64 projecting from the tip are projected substantially in parallel, and each arm portion 63 is disposed in a space formed on both sides of the contact piece 43 to provide two pushing projections 64. Therefore, the both ends of the locking piece 44 may be pressed simultaneously. By adopting such a configuration, it is possible to apply a pressing force to the locking piece 44 in a balanced manner, so that the distortion of the locking piece 44 is suppressed as compared with the case where one side is pressed, and the operability of the release button 60 is improved. Is improved.
[0122]
【The invention's effect】
According to the first aspect of the present invention, there is provided an electric wire introduced into the container through an electric wire insertion hole provided in the container body of the wiring device.A contact piece that comprises a terminal plate formed by bending a metal plate having a spring property so that both end portions thereof are overlapped with each other, and one end of the terminal plate is in contact with an electric wire Are provided integrally, and a locking piece protruding toward the contact piece side is provided at the other end, and a pair of pressing portions for pressing the electric wire is provided on both sides of the contact piece portion along the insertion direction of the electric wire of the terminal plate. The locking piece is provided with a locking portion at the tip thereof that presses the electric wire toward the contact portion side and bites into a part of the electric wire to prevent it from coming off, and one of the terminal plates provided with the contact portion. And the other end of the terminal plate provided with the locking piece can be bent away from the electric wire introduced into the body and from the distal end of the contact piece far from the electric wire insertion hole. Also, the rear end on the side close to the wire insertion hole is inclined to approach the wire. The terminal plate is housed in the container body, and includes a release means for releasing the lock of the lock piece, and the release means is exposed to the surface of the container body and manually operated. It has a push projection that pushes the tip of the locking part and pulls it away from the wire when it is operated, and it can move between the connection position where the wire is connected and the non-connection position where the wire is not connected And a release button disposed on the container so as to protrude freely from a surface adjacent to the surface provided with the wire insertion hole in the rectangular parallelepiped container, and the release button from the connection position to the non-connection position. A biasing member that elastically biases, and when the surface of the container body provided with at least the wire insertion hole is viewed from the insertion direction of the wire, the release button at the non-connection position is approved for viewing, and A step that is not visible is provided on the body.When the lock part is pulled away from the electric wire, a pressing force is applied to the tip of the lock part from the pushing protrusion, so that the lock part is prevented from being deformed when the connection state of the electric wire is released. be able to.Moreover, since the release button moves from the non-connection position to the connection position when the electric wire is connected to the terminal plate, it is possible to confirm whether or not the electric wire is connected to the terminal plate according to the position of the release button. When the release button is removed, the release button elastically biased by the biasing member returns from the connection position to the non-connection position, so that it is not necessary to return the release button to the non-connection position, and the electric wire can be inserted and removed many times. . Moreover, it can be easily determined whether or not the electric wire is connected depending on whether the release button is approved for viewing.
[0124]
Claim2The invention of claim1In this invention, the release button is provided with a pushing projection on one end side, and supported on the other end side so that the release button is swingably disposed. Therefore, operability and visibility are improved.
[0125]
Claim3The invention of claim1 or 2In the invention, the portion of the release button that is in contact with the urging member is recessed in the direction of urging by the urging member, and the amount of displacement of the urging member is reduced even if the amount of movement of the release button is the same. It is possible to reduce the sag of the biasing member.
[0126]
Claim4The invention of claim1 or 2 or 3In this invention, the operation part is provided on one end side of the release button provided with the pushing projection, and the operability is improved by reducing the amount of operation required to push the locking part. To do.
[0127]
Claim5The invention of claim1 or 2 or 3According to the invention, the part other than the operation part of the release button, which is exposed to the outside of the body, is provided with a relief with respect to the mounting member to which the wiring device is attached, and prevents interference with the mounting member. Thus, the visibility of the release button can be prevented from being lowered. .
[0128]
Claim6The invention of claim 1 to claim 15In any one of the inventions, the terminal plate is provided with an engaging portion that engages with the push projection and temporarily fixes the release button, and by temporarily fixing the release button to the terminal plate, the body The release button can be easily assembled.
[0129]
Claim7The invention of claim6In the invention, a guide surface that guides the pushing projection to the engaging portion and the direction to disengage the engaging portion from the engaging portion is provided on the pushing projection. The workability when temporarily fastening to the terminal board and when releasing the temporary fastening after incorporation into the body is improved.
[0131]
Claim8The invention of claim2In this invention, the release button is movable in a plurality of directions, and the visibility of the release button is further improved.
[0132]
Claim9The invention of claim8The invention is characterized in that a fall prevention means for preventing the release button from falling in the counter-operation direction is provided, and the assembly workability is improved by preventing the release button from falling down.
[0133]
Claim10The invention of claim8 or 9In the present invention, the release portion for escaping the wiring member accommodated in the container is provided on the release button, and the size of the container can be reduced.
[0134]
Claim11The invention of claim 1 is characterized in that, in the invention of claim 1, the release button is provided with a plurality of pushing projections each pushing in the vicinity of both end portions in a direction orthogonal to the pushing direction of the locking portion. The pressing force can be evenly applied to the lock portion, and the operability of the release button is improved.
[0135]
Claim12The invention of claim1In this invention, the urging member is provided with a fixing portion that is fixed to the terminal plate with the terminal plate interposed therebetween, and the urging member can be easily assembled.
[0136]
Claim13The invention of claim12In this invention, the two terminal plates to which the electric wires are connected are integrally formed, and have two urging members for elastically urging the two release buttons corresponding to the individual terminal plates. A fixed portion to which the fixed portion of the biasing member is fixed, and a fixed portion to which the fixed portion of the two biasing members formed integrally are fixed to the terminal plate. It is possible to cope with cases where the biasing members are individually formed or integrally formed, so that the cost can be reduced by sharing parts and the configuration range of the wiring apparatus can be widened.
[0137]
Claim14In order to achieve the above object, the invention of claim 1 is a container that is arranged in such a manner that a rear portion is embedded in an embedding hole provided in a construction surface, and is stored in the container13And a mounting means for attaching the body to a mounting frame or a mounting frame integrated plate provided on the side surface of the body and installed around the embedded hole. Characterized in that13A wiring device having the effects of the invention described in any of the above can be realized.
[0138]
Claim15The invention of claim14According to the invention, a fixing pin is provided for fixing the release button to the connection position by being inserted into the wire insertion hole of the container only until construction is performed, and the release button is fixed to the connection position by the fixing pin. Thus, it is possible to suppress the occurrence of problems such as dust entering from the clearance between the release button and the container.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of a first embodiment.
2A is a front view, FIG. 2B is a right side view, FIG. 2C is a bottom view, and FIG. 2D is a rear view.
FIG. 3 is a perspective view of the same.
4A is a front view, FIG. 4B is a bottom view, FIG. 4C is a rear view, and FIG. 4D is a right side view.
5A is a front view, FIG. 5B is a bottom view, FIG. 5C is a right side view, and FIG. 5D is a rear view.
6A and 6B show the assembly member of the above, wherein FIG. 6A is a front view, FIG. 6B is a right side view, and FIG. 6C is a top view.
7A and 7B show a blade support according to the above, wherein FIG. 7A is a front view, FIG. 7B is a bottom view, and FIG. 7C is a right side view.
8A and 8B show the terminal plate of the above, wherein FIG. 8A is a front view, FIG. 8B is a bottom view, and FIG. 8C is a right side view.
9A and 9B show a release button in the same manner, FIG. 9A is a front view, FIG. 9B is a bottom view, and FIG. 9C is a right side view.
10A and 10B show the return spring of the above, wherein FIG. 10A is a front view, FIG. 10B is a right side view, and FIG. 10C is a top view.
11A and 11B show the middle frame of the above, where FIG. 11A is a front view, FIG. 11B is a top view, and FIG. 11C is a right side view.
FIGS. 12A and 12B show the door of the above, wherein FIG. 12A is a front view, FIG. 12B is a top view, and FIG. 12C is a right side view.
FIG. 13 is a cross-sectional view of a principal part showing a state in which an electric wire is connected to the terminal plate.
FIG. 14 is an explanatory diagram of the terminal board in the same as above.
FIG. 15 is a perspective view showing a terminal board having another configuration according to the first embodiment.
16A and 16B show still another configuration of the terminal plate, wherein FIG. 16A is a perspective view and FIG. 16B is a side view of a state in which an electric wire is connected.
FIG. 17 is a side view showing a terminal plate of another configuration according to the above.
FIG. 18 is a cross-sectional view of a principal part showing a state in which an electric wire is connected to the terminal plate.
FIGS. 19A and 19B show a terminal board having still another configuration, wherein FIG. 19A is an exploded perspective view and FIG. 19B is a perspective view.
FIG. 20 is a view for explaining a method of fixing the terminal plate and the return spring in the same as above.
FIG. 21 is a side view of the main part of the release button in the same as above.
FIG. 22 is a view for explaining another fixing method of the terminal plate and the return spring in the same as above.
FIG. 23 is a rear view of the above.
FIG. 24 is a view for explaining a method of joining the body and cover in the same as above.
FIG. 25 is a diagram for explaining another method of joining the body and the cover in the same as above.
FIG. 26 is an exploded perspective view seen from the front of the plate to which the same is attached.
FIG. 27 is an exploded perspective view seen from the back of the plate to which the same is attached.
FIG. 28 is an explanatory view for explaining a procedure for attaching the container to the plate frame.
FIG. 29 is an exploded perspective view of the second embodiment.
30A is a front view, FIG. 30B is a right side view, FIG. 30C is a bottom view, and FIG. 30D is a rear view.
FIG. 31 is a perspective view of the same.
32A and 32B show the body, wherein FIG. 32A is a front view, FIG. 32B is a right side view, FIG. 32C is a rear view, FIG.
FIG. 33 shows the cover of the above, (a) is a front view, (b) is a left side view, (c) is a rear view, (d) is a top view, and (e) is a top sectional view.
FIG. 34 is a front view showing a state in which the cover is removed.
FIG. 35 shows a universal type blade holder according to the above, (a) is a front view, (b) is a top view, (c) is a left side view, (d) is a bottom view, and (e) is a right side view. (F) is a rear view.
FIG. 36 shows a blade holder for an O-type voltage electrode as in the above, (a) is a front view, (b) is a top view, (c) is a left side view, (d) is a bottom view, and (e). Is a right side view.
FIG. 37 shows the voltage electrode terminal plate of the same, (a) is a front view, (b) is a left side view, (c) is a right side view, and (d) is a top view.
FIG. 38 shows a blade holder for an O-type grounding electrode, wherein (a) is a front view, (b) is a top view, and (c) is a right side view.
FIG. 39 shows the terminal plate for the ground electrode in the same as above, (a) is a front view, (b) is a left side view, (c) is a top view, and (d) is a right side view.
FIG. 40 is an explanatory diagram for explaining a terminal plate for a ground electrode in the same as above.
FIG. 41 is a perspective view in which the blade receiving block for the voltage electrode is integrated.
42 (a) to 42 (c) are perspective views showing a structure of a blade receiver in the integrated blade receiver block of the same.
FIG. 43 is a perspective view showing a terminal plate of another configuration in the same as above.
FIG. 44 is a partially omitted rear view showing the body of another configuration of the above.
45 shows a release button for a voltage electrode in the same as above, (a) is a front view, (b) is a top view, and (c) is a right side view. FIG.
46A and 46B show the return spring, wherein FIG. 46A is a front view, FIG. 46B is a top view, and FIG. 46C is a right side view.
47 is a view for explaining a method of fixing the terminal plate and the return spring in the same as above. FIG.
FIG. 48 is a view for explaining a fixing method of the terminal plate and the return spring of another configuration in the same as above.
FIG. 49 is an explanatory diagram for explaining the work of incorporating the release button in the same as above.
FIG. 50 shows a release button for the ground electrode in the same as above, (a) is a front view, (b) is a top view, and (c) is a right side view.
FIG. 51 shows the terminal portion for the ground electrode in the same as above, (a) is a cross-sectional view of a main part at a non-connection position, and (b) is a cross-sectional view of a main part at a connection position.
FIG. 52 is a cross-sectional view of the relevant part in a state in which the container is attached to the plate frame.
FIG. 53 is an explanatory diagram of the fixing pin in the same as above.
FIG. 54 is an exploded perspective view of the third embodiment.
FIG. 55 shows the same as above, (a) is a front view, (b) is a right side view, (c) is a bottom view, and (d) is a rear view.
FIG. 56 is a perspective view of the same.
FIG. 57 shows the body of the same, (a) is a front view, (b) is a bottom view, (c) is a right side view, and (d) is a rear view.
FIG. 58 shows the cover of the above, (a) is a front view, (b) is a left side view, (c) is a rear view, and (d) is a bottom view.
FIG. 59A is a perspective view in which the voltage electrode blade support block is integrated, and FIG. 59B is a perspective view showing the structure of the blade support in the integrated blade support block.
FIG. 60 is a perspective view showing the assembly member of the above.
FIG. 61 shows assembly members of other configurations in the above, (a) is a front view, (b) is a right side view, and (c) is a top view.
FIG. 62 is an exploded perspective view of the fourth embodiment.
63A is a front view, FIG. 63B is a right side view, FIG. 63C is a bottom view, and FIG. 63D is a rear view.
FIG. 64 is a perspective view of the same.
FIG. 65 shows the body of the above, (a) is a front view, (b) is a bottom view, (c) is a right side view, and (d) is a rear view.
66A and 66B show the cover of the above, where FIG. 66A is a front view, FIG. 66B is a bottom view, FIG. 66C is a right side view, and FIG.
FIG. 67 (a) is a perspective view in which the voltage electrode blade support block is integrated, and FIG. 67 (b) is a perspective view showing the structure of the blade support in the integrated blade support block.
68 (a) is a perspective view showing a terminal board having another configuration, and FIG. 68 (b) is a perspective view showing a release button having another configuration.
FIG. 69 is a cross-sectional view showing a main part of a conventional example.
FIG. 70 is an explanatory diagram for explaining an electric wire removing operation according to the embodiment;
FIG. 71 is an explanatory diagram for explaining a connection configuration between the electric wire and the terminal plate in the same as above.
[Explanation of symbols]
1 body
40 Terminal section
41 Terminal board
43 Contact piece
43a Contact part
43b Pressing part
43c Pressing part
44 Chain lock
44a Locking part
60 Cancel button
61 Operation section
64 Pushing protrusion
