JP3546426B2

JP3546426B2 - Instrument terminal cover structure and instrument terminal cover

Info

Publication number: JP3546426B2
Application number: JP31583999A
Authority: JP
Inventors: 康彦関谷; 隆司後藤; 則夫広田
Original assignee: RKC INSTRUMENT Inc
Current assignee: RKC INSTRUMENT Inc
Priority date: 1999-11-05
Filing date: 1999-11-05
Publication date: 2004-07-28
Anticipated expiration: 2019-11-05
Also published as: JP2001133481A

Description

【０００１】
【発明の属する技術分野】
本発明は計器類の端子カバー構造に係り、調節計等の計器類においてそのケースに複数列配置された外部接続用の端子金具を保護するカバー構造およびこれに用いる端子カバーの改良に関する。
【０００２】
【従来の技術】
従来、計器類の端子構造としては、箱形ケースの底部に外側へ向けて複数の端子金具を配列するとともに、これらの一部を形成する接点ばねをケース内側へ突出させ、ケース内部に配置され計器の電子回路を形成する回路基板をケース内底においてそれら端子金具の接点ばねに電気的に接触するように当接させて構成する、例えばプラグイン構成が良く知られている。
【０００３】
そして、計器類の搭載機能の多様化又は豊富化に伴い、現在では、複数枚の回路基板をケース内に所定の間隔で重ねるように配置することが行われており、これに対応させてケース底部には複数の端子金具からなる端子列を複数列状態で配列することが行われている。
【０００４】
しかも、それらケース底部の端子金具に操作者が触れたりジグ等が接触して不測の事態が発生しないよう、合成樹脂等の絶縁製端子カバーでそれら端子列を覆うことがよく行われている。
【０００５】
【発明が解決しようとする課題】
しかしながら、実際に計器類を使用する場合には、ケース底部の端子金具にケーブルを接続して導出するので、例えば計器類の端子列を接近させるようにして計器類を積層配置する場合には、下側の計器類に被せたケースが、上側の計器類の下側端子列から導出したケーブルの邪魔になり、うまくケーブルを導出できなかったり、互いの計器類が斜めに配置される等の不具合が生じ易い。
【０００６】
本発明はそのような課題を解決するためになされたもので、上側計器類の端子列に対して絶縁カバー機能を発揮できるうえ、下側となった計器類に被せた同種の端子カバーが上側計器類の端子列から導出するケーブルの邪魔になり難い端子カバー構造の提供を目的とする。
【０００７】
【課題を解決するための手段】
このような課題を解決するために本発明に係る第１の端子構造は、計器類の端子板と、この端子板に外側へ向けて配列された複数の端子金具からなり上下又は縦横に複数列配列された端子金具と、これら各端子金具を覆ってその端子板に被せられた端子カバーとを具備しており、その端子板には端子金具間を仕切る外仕切片が突設されてなり、その端子カバーは、それら外仕切板の端がはまるスリットを有し、それら端子金具で形成された端の列におけるそれら端子金具に相当する領域毎に切り欠き可能になっている。
【０００８】
また、第１の構成において、上記端子カバーには、そのスリットによって分離されるとともに端子板本体に一体的に支持された切欠片を、個々の端子金具に相当する領域毎に設けることが好ましい。
【０００９】
そして、本発明に係る第２の構成は、計器類の端子板と、この端子板に外側へ向けて配列された複数の端子金具からなり上下又は縦横に複数列配列された端子金具と、その端子板に被せられた端子カバー片とを具備し、その端子板には上記端子金具間を仕切る外仕切片が突設されてなり、その端子カバー片は、それら外仕切片がはまる切込みを有し、それら端子金具で形成される端子列間に挿入するようにして両端をその端子板に回転可能に支持させた構成となっている。
【００１０】
また、本発明の第３の構成は、計器類の端子板に外側へ向けて配列された複数の端子金具からなり上下又は縦横に複数列配列された端子金具を覆い、その端子板に被せられる計器類の端子カバーであり、その端子金具間を仕切るよう端子板に突設された外仕切片の端がはまるスリットを有し、個々のそれら端子金具に相当する領域毎に切り欠き可能に形成されている。
この第３の構成では、それらスリットによって分離されるとともに端子板本体に一体的に支持された切欠片を、個々の端子金具に相当する領域毎に有して構成すると良い。
【００１１】
【発明の実施の形態】
以下、本発明の実施の形態を図面を参照して説明する。
【００１２】
図１は本発明に係る計器類の端子カバー構造について第１の構成例を示す概略分解斜視図である。
図１において、計器類のケース１は、合成樹脂から箱形に成形加工されてなり、合成樹脂から例えばブロック状に成形加工された端子板３が、その底部を塞ぐようにはめ込まれている。
【００１３】
ケース１と端子板３は一体的に形成可能であり、一体的又は別体に限らず端子板３は実質的にケース１の一部を構成している。
端子板３には、この外側から複数の導電性端子金具５がはめ込まれており、図２に示すように、例えば横６個上下（又は縦横）２列の端子金具列Ａが形成されている。これら各端子金具５には角座付きの端子ねじ７がねじ込まれている。
【００１４】
各端子金具５は、図３および図４に示すような構成を有し、全て同一の形状となっている。
すなわち、各端子金具５は、中間片９と、この中間片９の上端から鋭角に延びる第１の開放片１１と、これと対面するように中間片９の下端から鈍角で延びる第２の開放片１３を一体的に有し、その中間片９が第１および第２の開放片１１、１３に対して斜めになるよう、弾性に富む導電板から概略コ字状に屈曲形成されている。
【００１５】
これら中間片９、第１および第２の開放片１１、１３の内側には、これらより多少厚みの厚い導電材料からやはりコ状に屈曲形成された補助板１５が当接され、端子金具５を機械的に補強している。
【００１６】
補助板１５は必須ではなく、中間片９、第１および第２の開放片１１、１３を多少厚く形成すれば不要であるが、本発明では便宜上この補助板１５および又は端子ねじ７を含んで端子金具５とする。
なお、図中の符号１７ａ、１７ｂは第１、第２の開放片１１、１３から突き出るよう外側へ切り起こされた係止片である。
【００１７】
端子金具５の第１の開放片１１の先端側は、内側に折り返すよう屈曲された細長いばね部１９となっており、この先端が若干く字状に第１の開放片１１方向へ屈曲されて第２の開放片１３に対面するとともに、後述する回路基板２１上の図示しない電極に当接する。
【００１８】
端子板３には、縦方向に延びる縦仕切板２３によって横方向に例えば６個に分割されるとともに、これら縦仕切板２３を上下に分割する横仕切板２５によって上下２段に分かれており、これら縦横仕切板２３、２５によって上述した端子金具５の保持部２７が形成されている。ここで縦方向および横方向は便宜上のものであり、縦横逆の場合もある。
【００１９】
各保持部２７において、縦仕切板２３には上述した端子金具５の中間片９、第１および第２の開放片１１、１３によって形成されるコ字形状に合わせたガイド部２９が対向するように突設されており、端子板３の外側から端子金具５の挿入を容易にするとともに、安定的な保持を確保し、上述した端子金具列を形成させている。
【００２０】
端子板３の外側には、図１および図３に示すように、縦仕切板２３から延長するようにして外仕切片３１が突設されており、図中横方向の各端子金具５間が仕切られている。
【００２１】
端子板３の各保持部２７において、図３に示すように、端子板３内壁および横仕切板２５には、係止段部３３ａ、３３ｂが形成されており、収納された端子金具５の係止片１７ａ、１７ｂが係止されて外側への動きが規制されている。
【００２２】
そして、第１および第２の開放片１１、１３間を狭めるようにこれらを曲げれば、係止段部３３ａ、３３ｂと係止片１７ａ、１７ｂの係止状態が外れて、端子金具５を取外すことが可能である。
【００２３】
縦仕切板２３には、図３および図４に示すように、端子金具５の第１および第２の開放片１１、１３間に位置する部分において、回路基板２１が挿入されこれを受ける挿入溝３５が形成されている。
【００２４】
上述した角座付き端子ねじ７のねじ込まれた端子金具５は、図４および図５に示すように、端子板３の外側から各保持部２７に対してガイド部２９に沿って挿入されるとともに、係止片１７ａ、１７ｂを係止段部３３ａ、３３ｂに係止させるようにして端子板３に保持され、図３に示すように、ケーブル３７の芯線を角座付き端子ねじ７で締付固定して使用される。
【００２５】
図３中の符号３７ａはケーブル３７の絶縁被覆から突出する芯線部分を保護する保護部であり、必須ではない。
【００２６】
各端子金具５は、同じ位置状態で各保持部２７へ挿入されており、中間片９が斜め上方向を向くとともにこの中間片９が端子板３本体より突出するように、かつまた上下列で隣合う端子金具５間では第２の開放片１３と第１の開放片１１が対向するように上下２段に配列されている。
【００２７】
しかも、図中の下列に位置する端子金具５は、図１に示すように、上列の端子金具５に対し端子板３すなわちケース１内側へずらせて配置されている。
【００２８】
各端子板３において、各端子金具５の配列方向両端には、外仕切片３１とほぼ同形状の保持片３９が互いに対向するように突出しており、両保持片３９先端の上下部分には、図１に示すような端子カバー４１の係合する係合孔４３が互いに位置を揃えて貫通形成されている。
【００２９】
端子カバー４１は、図６〜図１１に示すように、例えば合成樹脂からなる長方形板状のカバー本体４５と、このカバー本体４５の対向する短辺から立設する側部４７と、一方の長辺から側部４７と同方向へ延びる複数の切欠片４９を有して形成されている。
【００３０】
端子カバー４１の切欠片４９は、各端子板３に配列された端子金具列Ａの各端子金具５毎に対応するとともにこれらと重なる領域に揃えて形成されており、後述する図１４に示すように、端子カバー４１が端子板３に被せられたとき、それら各端子金具５に対応した領域を覆うように長く突出している。
【００３１】
しかも、切欠片４９は、端子板３から突出する外仕切板３１がはまるスリット５１であって、カバー本体４５までＬ字形に延びるスリット５１によって各々分離されており、Ｌ字屈曲部近傍で連結部５３を介してカバー本体４５と一体的に連結されている。
【００３２】
端子カバー４１において、切欠片４９を挟んで両側に位置する側部４７は、端子板３に形成された両保持片３９の間にはめ込まれるよう、先端が段部を介して薄く形成されており、この薄肉部４７ａからは両保持片３９の係合孔４３にはまる係合突起５５が外側へ突設している。
【００３３】
カバー本体４５の裏面側には、端子板３の縦仕切板２３や横仕切板２５と揃う位置に縦横の補強片５７ａ、５７ｂが一体的に形成され、端子カバー４１の強度を確保している。
【００３４】
端子カバー４１は、図１２に示すように、切欠片４９の突出先端を持上げるようにしてカバー本体４５との連結部５３を破断させると、カバー本体４５から切欠片４９が分離除去され、図１３に示すように、切欠片４９のあった位置に切欠部５９が形成されるようになっている。切り欠きは、手作業又はタッター等のジグを用いることが可能である。
【００３５】
このような端子カバー４１は、側部４７の先端に形成した薄肉部４７ａを端子板３の両保持片３９間にはめるとともに、側部４７の係合突起５５を保持片３９の係合孔４３にはめると、スリット５１には外仕切片３１の端がはまり、端子金具５を覆った状態で端子板３に固定される一方、端子板３に固定する前後で、切欠片４９を切り欠けば、図中の上列に位置する端子金具５に相当する領域の覆いがなくなる（図３、図１５、図１６参照）。
【００３６】
なお、この端子カバー４１の側部４７を狭めたり、端子板３の両保持片３９間を広げれば、端子カバー４１を端子板３から外すことができる。
【００３７】
次に、本発明の第１の構成に係る端子カバー構造の使用例を説明する。
まず、図１５および図１６に示すように、２個の計器類のケース１を計器パネル６１の前面側から挿入し、ケース１の図示しないフランジ部をパネル６１の前面側に係止させた状態で、ケース１の両側面部にスライド自在に取付けた抑え部材６３をパネル６１の裏面側へ前進動させて圧接させるとともにケース１の係止溝６５に係止させ、２個のケース１を上下方向に密接した状態で計器パネル６１に挟持させる。
【００３８】
上述した図１および図１４は、１個のケース１を上下方向において抑え部材６３でパネル６１に挟持させる構成である。
【００３９】
上側のケース１の端子板３にはケーブル３７を接続して端子カバー４１をはめるととにも、下側のケース１ついてはケーブル３７を接続し、予め切欠片４９を切り欠いた端子カバー４１を端子板３にはめる。端子板３への端子カバー４１のはめ込みは、ケース１のパネル６１への挟持の前後で任意である。
【００４０】
すると、図１７に示すように、上側のケース１の端子板３において、下側の端子金具列の端子金具５に接続したケーブル３７が斜め下方へ導出されても、下側ケース１における上側の端子金具列の端子金具５に相当する領域の覆いがなくなり、上側のケース１の端子板３から延びるケーブル３７にとって下側ケース１の端子カバー４１が邪魔にならないうえ、上側ケース１の端子板３もこれにはめた端子カバー４１によって保護される。
【００４１】
下側のケース１における上側の端子金具列の端子金具５に相当する領域では、その覆いがなくなるが、上側のケース１やこれにはめた端子カバー４１、さらに下側ケースにはめられた端子カバー４１によって保護が図られる。
【００４２】
このような本発明の第１の構成に係る端子カバー構造は、計器類のケース１に固定した端子板３と、この端子板３に外側へ向けて複数列状態で配列された複数の端子金具と、これら各端子金具５を覆って端子板に着脱自在に被せられた端子カバー４１とを具備しており、この端子カバー４１には、端子板から端子金具間を仕切って突出する外仕切片の端がはまる複数のスリットを設け、それらスリット５１でＬ字形に形成されるとともに部分的に連結させた切欠片４９を設け、この切欠片４９を上側の端子金具列の各端子金具５領域毎に対応させたから、次のような効果が得られる。
【００４３】
すなわち、ケース１を単体でパネル６１に固定する構成では、図１４に示すように、切欠片４９を付けたままの端子カバー４１を被せて使用すれば、従来通り、端子金具５の保護を図ることが可能となり、作業者が端子金具５に不用意に触れたり、落下物が接触して動作が不安定になったり安全性に支障のある事態を回避できる。
【００４４】
そして、２個のケース１を上下方向に密接した状態で計器パネル６１に挟持させる構成においては、図１６および図１７に示すように、上側ケース１の端子板３が端子カバー４１によって保護される一方、下側のケース１については、これにはめる前後で端子カバー４１の切欠片４９を切り欠けば、下側のケース１における上列の端子金具５に相当する領域の覆いがなくなり、上側のケース１の端子板３から延びるケーブル３７にとって下側ケース１の端子板３の端子カバー４１が邪魔にならないうえ、下側ケース１の端子板３も端子カバー４１によって保護される。
【００４５】
しかも、端子カバー４１には個々の端子金具５に相当する領域に切欠片４９を形成したから、目的とする端子金具５毎に個別に正確に覆いを除去することが可能となるし、切り欠き易くなる。
【００４６】
さらに、端子カバー４１は、コ字状に切込まれるとともに端子カバー４１自体に部分的に支持された切欠片４９を有するから、目的とする端子金具５毎に簡単に覆いを正確に除去することが可能となる。
【００４７】
なお、端子カバー４１に部分的に連結した状態で形成する切欠片４９の連結構成は任意であり、例えば片持ち支持させるように形成可能である。
【００４８】
次に、本発明に係る第２の構成としての端子カバー構造を説明する。
この構成は、図１８に示すように、端子板３の対向する各保持片３９において、これに形成した係合孔４３の間でしかも上下の端子金具５の列間に寄った位置に係止孔６７を揃えて貫通形成する一方、保持片３９間に相当する長さを有し、外仕切片３１がはまる切込み６９を設け、先端部の両側には係止孔６７にはまる係止突起７１を突設した端子カバー片７３を組合せたものである。
【００４９】
そして、図１８〜図２０に示すように、切込み６９を外仕切片３１にはめるようにして端子カバー片７３の先端を保持片３９間に挿入し、係止突起７１を係止孔６７にはめると、端子カバー片７３が下列の端子金具５に乗った状態となって斜めに配置されるとともに、フラップ状に回転可能に支持される。
【００５０】
そのため、上列の端子金具５に接続されたケーブル３７の導出が簡単となるうえ、上列の端子金具５に接続されたケーブル３７が下列の端子金具５と接触し難くなり、上列の端子金具５に接続されたケーブル３７に保護部３７ａを被せなくとも絶縁を確保できる。
【００５１】
また、下列の端子金具５に複数のケーブル３７を接続した渡り配線をしても、それらが上列の端子金具５に接触したり干渉せず、使い勝手が良好となる。
しかも、端子カバー片７３がフラップ状に回転可能に支持されているから、ケーブル３７を接続するために、一々、端子カバー片７３を取外さなくとも接続可能となり、作業性が良好である。
【００５２】
なお、本発明においては、第１の構成と第２の構成を各々に別個に実施することも一緒に実施することも可能である。
本発明の実施に当っては、ケース１や端子板３の形状や構造は任意であり、上述した端子金具５を保持収納できる構成であれば良い。
【００５３】
【発明の効果】
以上説明したように本発明に係る第１の構成は、計器類の端子板に外側へ向けて取付けられた複数の端子金具からなる端子金具列を上下又は縦横に配列し、これら各端子金具列を覆ってその端子板に被せられた端子カバーとを有し、その端子板には端子金具間を仕切る外仕切片を突設させ、その端子カバーには、それら外仕切板の端がはまるスリットを設け、それら端子金具列のうち端の列における端子金具に相当する領域毎に切り欠き可能に形成したから、上側の計器類の端子列に対して絶縁カバー機能を発揮できるし、下側の計器類の端子列に対して同じ端子カバーに使用しても、上側の計器類の端子列から導出するケーブルの邪魔とならず、ケーブルの導出が簡単となる一方、絶縁保護も確実となる利点があり、端子カバーの共通化も達成してコスト低減を図ることができる。
しかも、個々の端子金具に相当する領域毎に欠き可能にその端子カバーが形成されているから、任意の端子金具に対応して切欠部を形成可能となり、上述した効果に加えて、より一層保護効果を期待できる。
さらに、第１の構成において、上記端子カバーには、それらスリットによって分離されるとともに端子板本体に一体的に支持された切欠片を、個々の端子金具に相当する領域毎に設ければ、切欠部の形成が一層簡単となる。
そして、本発明に係る第２の構成は、計器類の端子板に外側へ向けて取付けられた複数の端子金具からなり上下又は縦横に配列された端子金具列と、その端子板に被せられた端子カバー片とを具備し、その端子板には上記端子金具間を仕切る外仕切片を突設させ、その端子カバー片にはそれら外仕切片がはまる切込みを設け、それら端子金具列間に挿入するようにして端子カバー片の両端をその端子板に回転可能にその端子板に支持させたから、上列の端子金具に接続されたケーブルの導出が簡単となるうえ、上列の端子金具に接続されたケーブルが下列の端子金具５と接触し難い。
また、本発明に係る第３の構成は、計器類の端子板に外側へ向けて取付けられた複数の端子金具からなり上下又は縦横に配列された端子金具列を覆い、その端子板に被せられた計器類の端子カバーであり、その端子金具間を仕切るよう端子板に突設された外仕切片の端がはまるスリットを有し、個々のそれら端子金具に相当する領域毎に切り欠き可能に形成したから、端子金具に相当する領域を切り欠けば、端子カバーをした状態でケーブルの接続が可能なったり他の電子機器からのケーブルの邪魔にならない。
この第３の構成において、それらスリットによって分離されるとともに端子板本体に一体的に支持された切欠片を、個々の端子金具に相当する領域毎に有して端子カバーを構成すれば、切欠部の形成が一層簡単となる。
【図面の簡単な説明】
【図１】本発明に係る第１の構成である端子カバー構造の実施の形態を示す概略分解斜視図である。
【図２】図１中の端子板を示す図である。
【図３】図１の端子板を示す断面図（図２中のＩＩＩ−ＩＩＩ間断面）である。
【図４】図１中の端子板を示す要部分解斜視図（一部断面で示す。）である。
【図５】図１中の端子板を示す斜視図である。
【図６】図１中の端子カバーを示す斜視図である。
【図７】図１中の端子カバーを示す斜視図である。
【図８】図１中の端子カバーを示す上面図である。
【図９】図１中の端子カバーを示す断面図（図８中のＩＸ−ＩＸ間断面）である。
【図１０】図１中の端子カバーを示す正面図である。
【図１１】図１中の端子カバーを示す断面図（図１０中のＸＩ−ＸＩ間断面）である。
【図１２】図１中の端子カバーの切欠片を切り欠く状態を示す図である。
【図１３】図１中の端子カバーについて切欠片を切り欠いた状態を示す斜視図である。
【図１４】本発明に係る端子カバー構造の使用例を説明する斜視図である。
【図１５】本発明に係る端子カバー構造の使用例を説明する分解斜視図である。
【図１６】本発明に係る端子カバー構造の使用例を説明する斜視図である。
【図１７】図１６における端子カバー構造の断面図（図２中のＩＩＩ−ＩＩＩ間断面と同じ断面）である。
【図１８】本発明に係る第２の構成である端子カバー構造を説明する要部分解斜視図である。
【図１９】図１８に係る端子カバー構造の使用例を説明する斜視図である。
【図２０】図１９の端子カバー構造の断面図（図２中のＩＩＩ−ＩＩＩ間断面と同じ断面）である。
【符号の説明】
１ケース
３端子板
５端子金具
７ねじ
９中間片
１１第１の開放片
１３第２の開放片
１５補助板
１７ａ、１７ｂ係止片
１９ばね部
２１回路基板
２３縦仕切板
２５横仕切板
２７保持部
２９ガイド部
３１外仕切片
３３ａ、３３ｂ係止段部
３５挿入溝
３７ケーブル
３７ａ保護部
３９保持片
４１端子カバー
４３係合孔
４５カバー本体
４７側部
４７ａ薄肉部
４９切欠片
５１スリット
５３連結部
５５係合突起
５７ａ、５７ｂ補強片
５９切欠部
６１パネル
６３抑え部材
６５係止溝
６７係止孔
６９切込み
７１係止突起
７３端子カバー片
Ａ端子金具列[0001]
TECHNICAL FIELD OF THE INVENTION
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal cover structure for instruments, and more particularly to a cover structure for protecting external connection terminal fittings arranged in a plurality of rows in a case of instruments such as a controller, and an improvement of a terminal cover used for the same.
[0002]
[Prior art]
Conventionally, as a terminal structure of instruments, a plurality of terminal fittings are arranged outward on the bottom of a box-shaped case, and a contact spring forming a part of these is protruded inside the case, and is disposed inside the case. It is well known that a circuit board forming an electronic circuit of an instrument is brought into contact with the contact springs of the terminal fittings at the inner bottom of the case so as to make electrical contact, for example, a plug-in construction.
[0003]
Along with the diversification or abundance of functions mounted on instruments, a plurality of circuit boards are now arranged in a case so as to be overlapped at a predetermined interval in a case. At the bottom, a plurality of terminal rows composed of a plurality of terminal fittings are arranged in a plurality of rows.
[0004]
In addition, it is common practice to cover the terminal rows with an insulating terminal cover made of synthetic resin or the like so that an operator does not touch the terminal fittings at the bottom of the case or a jig or the like comes in contact with the terminal fittings, so that an unexpected situation does not occur.
[0005]
[Problems to be solved by the invention]
However, when the instruments are actually used, the cables are connected to the terminal fittings at the bottom of the case and lead out.For example, when the instruments are stacked and arranged so that the terminal rows of the instruments are close to each other, Cases where the lower instruments are placed on the lower instruments obstruct the cables led out from the lower terminal row of the upper instruments, preventing the cables from being drawn out properly or causing the instruments to be placed diagonally. Tends to occur.
[0006]
The present invention has been made to solve such a problem. In addition to being able to exert an insulating cover function on the terminal row of the upper instrument, the same type of terminal cover that covers the lower instrument is disposed on the upper instrument. It is an object of the present invention to provide a terminal cover structure that does not easily obstruct a cable derived from a terminal row of instruments.
[0007]
[Means for Solving the Problems]
In order to solve such a problem, a first terminal structure according to the present invention includes a terminal plate of instruments and a plurality of terminal fittings arranged outward on the terminal plate, and a plurality of rows vertically and horizontally. An array of terminal fittings, and a terminal cover that covers each of the terminal fittings and is covered with the terminal plate, and the terminal plate is provided with an external partition piece that partitions between the terminal fittings, its terminal cover has a slit in which the end thereof outside the partition plate fits, are enabled notch in each region corresponding to their terminal fitting in the column of the end formed at their terminal fitting.
[0008]
In the first configuration, it is preferable that the terminal cover be provided with notches separated by the slits and integrally supported by the terminal plate main body for each region corresponding to each terminal fitting .
[0009]
The second configuration according to the present invention includes a terminal plate for instruments, a plurality of terminal fittings arranged outward on the terminal plate, and a plurality of terminal fittings arranged vertically and horizontally in a plurality of rows. A terminal cover piece covered on the terminal plate, and the terminal plate is provided with an external partition piece projecting between the terminal fittings, and the terminal cover piece has a notch in which the external partition piece fits. Then, both ends are rotatably supported by the terminal plate so as to be inserted between terminal rows formed by the terminal fittings.
[0010]
Further, the third configuration of the present invention covers a plurality of terminal fittings which are composed of a plurality of terminal fittings arranged outward on a terminal board of instruments and are arranged vertically and horizontally in a plurality of rows, and are covered on the terminal board. It is a terminal cover for instruments, and has a slit into which the end of an external partition piece protruding from the terminal plate so as to separate between the terminal fittings is formed, and can be cut out in each area corresponding to each of these terminal fittings. Have been.
In the third configuration, notches separated by the slits and integrally supported by the terminal plate main body may be provided for each region corresponding to each terminal fitting .
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0012]
FIG. 1 is a schematic exploded perspective view showing a first configuration example of a terminal cover structure of instruments according to the present invention.
In FIG. 1, a case 1 of instruments is formed from a synthetic resin into a box shape, and a terminal plate 3 formed from a synthetic resin into, for example, a block shape is fitted so as to cover the bottom thereof.
[0013]
The case 1 and the terminal plate 3 can be formed integrally, and the terminal plate 3 substantially constitutes a part of the case 1 irrespective of whether it is integral or separate.
A plurality of conductive terminal fittings 5 are fitted into the terminal plate 3 from the outside. As shown in FIG. 2, for example, six horizontal and vertical (or vertical and horizontal) two terminal fitting rows A are formed. . A terminal screw 7 having a square seat is screwed into each of the terminal fittings 5.
[0014]
Each of the terminal fittings 5 has a configuration as shown in FIGS. 3 and 4 and all have the same shape.
That is, each terminal fitting 5 includes an intermediate piece 9, a first open piece 11 extending at an acute angle from the upper end of the intermediate piece 9, and a second open piece extending at an obtuse angle from the lower end of the intermediate piece 9 so as to face the intermediate piece 9. A piece 13 is integrally formed, and the intermediate piece 9 is formed in a substantially U-shape from a highly elastic conductive plate so that the intermediate piece 9 is oblique to the first and second open pieces 11 and 13.
[0015]
An auxiliary plate 15, which is also formed of a conductive material somewhat thicker than that of the intermediate piece 9, the first and second open pieces 11, 13, is also in contact with the inside of the intermediate piece 9 and the first and second open pieces 11, 13. Mechanically reinforced.
[0016]
The auxiliary plate 15 is not indispensable, and is unnecessary if the intermediate piece 9 and the first and second open pieces 11 and 13 are formed to be somewhat thicker. However, in the present invention, the auxiliary plate 15 and / or the terminal screw 7 are included for convenience. The terminal fitting 5 is used.
Reference numerals 17a and 17b in the figure are locking pieces cut and raised outward so as to protrude from the first and second opening pieces 11 and 13.
[0017]
The distal end side of the first open piece 11 of the terminal fitting 5 is an elongated spring portion 19 bent so as to be folded inward, and this distal end is bent slightly in the shape of a letter toward the first open piece 11. It faces the second opening piece 13 and contacts an electrode (not shown) on the circuit board 21 described later.
[0018]
The terminal plate 3 is divided into, for example, six pieces in the horizontal direction by a vertical partition plate 23 extending in the vertical direction, and is divided into two upper and lower stages by a horizontal partition plate 25 that divides the vertical partition plate 23 up and down. The holding portion 27 of the terminal fitting 5 described above is formed by the vertical and horizontal partition plates 23 and 25. Here, the vertical direction and the horizontal direction are for the sake of convenience, and the vertical and horizontal directions may be reversed.
[0019]
In each of the holding portions 27, the vertical partition plate 23 is opposed to the intermediate piece 9 of the terminal fitting 5, and the guide portion 29 conforming to the U-shape formed by the first and second open pieces 11 and 13. To facilitate the insertion of the terminal fittings 5 from the outside of the terminal plate 3, secure stable holding, and form the above-described row of terminal fittings.
[0020]
As shown in FIGS. 1 and 3, external partition pieces 31 are provided outside the terminal plate 3 so as to extend from the vertical partition plate 23, and a space between the terminal fittings 5 in the horizontal direction in the figure is provided. It is partitioned.
[0021]
In each holding portion 27 of the terminal plate 3, as shown in FIG. 3, locking step portions 33 a and 33 b are formed on the inner wall of the terminal plate 3 and the horizontal partition plate 25, and the engagement of the terminal fittings 5 stored therein is performed. The stop pieces 17a and 17b are locked to restrict the outward movement.
[0022]
When the first and second opening pieces 11 and 13 are bent so as to narrow them, the locking state of the locking step portions 33a and 33b and the locking pieces 17a and 17b is released, and the terminal fitting 5 is removed. It can be removed.
[0023]
As shown in FIGS. 3 and 4, the circuit board 21 is inserted into the vertical partition plate 23 at a portion between the first and second open pieces 11 and 13 of the terminal fitting 5, and an insertion groove for receiving the circuit board 21. 35 are formed.
[0024]
As shown in FIGS. 4 and 5, the terminal fitting 5 into which the terminal screw 7 with a square seat is screwed is inserted along the guide part 29 into each holding part 27 from outside the terminal plate 3, The retaining pieces 17a, 17b are retained on the terminal plate 3 so as to be retained by the retaining stepped portions 33a, 33b. As shown in FIG. 3, the core wire of the cable 37 is tightened and fixed with the terminal screw 7 having a square seat. Used.
[0025]
Reference numeral 37a in FIG. 3 denotes a protection portion that protects a core portion protruding from the insulating coating of the cable 37, and is not essential.
[0026]
Each terminal fitting 5 is inserted into each holding portion 27 at the same position, and the intermediate piece 9 faces obliquely upward and the intermediate piece 9 projects from the terminal plate 3 main body. Between the adjacent terminal fittings 5, the second open piece 13 and the first open piece 11 are arranged in two upper and lower stages so as to face each other.
[0027]
Moreover, the terminal fittings 5 located in the lower row in the figure are arranged so as to be shifted toward the terminal plate 3, that is, the inside of the case 1 with respect to the terminal fittings 5 in the upper row, as shown in FIG. 1.
[0028]
In each terminal plate 3, holding pieces 39 having substantially the same shape as the outer partition piece 31 protrude from both ends in the arrangement direction of the terminal fittings 5 so as to face each other. As shown in FIG. 1, engagement holes 43 with which the terminal covers 41 are engaged are formed so as to be aligned with each other and penetrate therethrough.
[0029]
As shown in FIGS. 6 to 11, the terminal cover 41 has a rectangular plate-shaped cover body 45 made of, for example, a synthetic resin, a side portion 47 erected from the opposite short side of the cover body 45, and one long side. It is formed having a plurality of notches 49 extending from the side in the same direction as the side portion 47.
[0030]
The notch pieces 49 of the terminal cover 41 correspond to the respective terminal fittings 5 of the terminal fitting row A arranged on each terminal plate 3 and are formed so as to be aligned with the areas overlapping with these, as shown in FIG. In addition, when the terminal cover 41 is put on the terminal plate 3, the terminal cover 41 protrudes long so as to cover a region corresponding to each of the terminal fittings 5.
[0031]
Moreover, the notch pieces 49 are slits 51 into which the outer partition plate 31 protruding from the terminal plate 3 fits, and are separated by the slits 51 extending in an L-shape to the cover main body 45, and are connected to each other in the vicinity of the L-shaped bent portion. It is integrally connected to the cover body 45 via 53.
[0032]
In the terminal cover 41, the side portions 47 located on both sides of the notch piece 49 are thinly formed at the front ends with a step so as to be fitted between both holding pieces 39 formed on the terminal plate 3. An engagement protrusion 55 that fits into the engagement hole 43 of each of the holding pieces 39 projects outward from the thin portion 47a.
[0033]
On the back side of the cover main body 45, vertical and horizontal reinforcing pieces 57a and 57b are integrally formed at positions aligned with the vertical partition plate 23 and the horizontal partition plate 25 of the terminal plate 3 to secure the strength of the terminal cover 41. .
[0034]
As shown in FIG. 12, when the connecting portion 53 of the terminal cover 41 and the cover body 45 is broken by lifting the protruding tip of the notch piece 49, the notch piece 49 is separated and removed from the cover body 45. As shown in FIG. 13, a notch 59 is formed at a position where the notch piece 49 is located. As the notch, a jig such as a manual operation or a tatter can be used.
[0035]
In such a terminal cover 41, the thin portion 47 a formed at the tip of the side portion 47 is fitted between the two holding pieces 39 of the terminal plate 3, and the engaging projection 55 of the side portion 47 is fitted to the engaging hole 43 of the holding piece 39. When it is fitted, the end of the outer partition piece 31 fits into the slit 51 and is fixed to the terminal plate 3 while covering the terminal fitting 5, while the notch 49 is cut out before and after fixing to the terminal plate 3. Accordingly, the area corresponding to the terminal fittings 5 located in the upper row in the figure is not covered (see FIGS. 3, 15, and 16).
[0036]
The terminal cover 41 can be removed from the terminal plate 3 by narrowing the side portion 47 of the terminal cover 41 or widening the space between the two holding pieces 39 of the terminal plate 3.
[0037]
Next, an example of use of the terminal cover structure according to the first configuration of the present invention will be described.
First, as shown in FIGS. 15 and 16, a state in which two instrument cases 1 are inserted from the front side of the instrument panel 61, and a flange (not shown) of the case 1 is locked on the front side of the panel 61. Then, the holding members 63 slidably attached to both side surfaces of the case 1 are moved forward to the back side of the panel 61 to be pressed against each other and are locked in the locking grooves 65 of the case 1 so that the two cases 1 are vertically moved. The instrument panel 61 is held in close contact with the instrument panel 61.
[0038]
FIGS. 1 and 14 described above show a configuration in which one case 1 is held by a panel 61 with a holding member 63 in the vertical direction.
[0039]
The cable 37 is connected to the terminal plate 3 of the upper case 1 and the terminal cover 41 is fitted, and the cable 37 is connected to the lower case 1 and the terminal cover 41 in which the notch 49 is cut out in advance. Fit on terminal board 3. The fitting of the terminal cover 41 to the terminal plate 3 is optional before and after the case 1 is sandwiched by the panel 61.
[0040]
Then, as shown in FIG. 17, even if the cable 37 connected to the terminal fittings 5 of the lower terminal fitting row is drawn obliquely downward on the terminal plate 3 of the upper case 1, The area corresponding to the terminal fittings 5 in the terminal fitting row is not covered, so that the cable 37 extending from the terminal plate 3 of the upper case 1 does not hinder the terminal cover 41 of the lower case 1 and the terminal plate 3 of the upper case 1 Is also protected by the terminal cover 41 fitted therein.
[0041]
In the area corresponding to the terminal fittings 5 of the upper terminal fitting row in the lower case 1, the cover is removed, but the terminal cover 41 fitted to the upper case 1 and the lower case, and the terminal cover fitted to the lower case. 41 provides protection.
[0042]
Such a terminal cover structure according to the first configuration of the present invention includes a terminal plate 3 fixed to a case 1 of instruments and a plurality of terminal fittings arranged on the terminal plate 3 in a plurality of rows outward. And a terminal cover 41 which is detachably mounted on the terminal plate so as to cover each of the terminal fittings 5. The terminal cover 41 has an external partition piece projecting from the terminal plate so as to partition between the terminal fittings. Are provided, a notch piece 49 formed in the L-shape and partially connected with the slit 51 is provided, and this notch piece 49 is provided for each terminal fitting 5 region of the upper terminal fitting row. Therefore, the following effects can be obtained.
[0043]
That is, in the configuration in which the case 1 is fixed to the panel 61 by itself, as shown in FIG. 14, if the terminal cover 41 is used with the notch piece 49 attached, the terminal fitting 5 is protected as in the related art. This makes it possible to avoid a situation in which the worker carelessly touches the terminal fitting 5 or the falling object comes into contact with the terminal fitting 5 to make the operation unstable or hinder the safety.
[0044]
In a configuration in which the two cases 1 are sandwiched between the instrument panels 61 in a vertically close state, the terminal plate 3 of the upper case 1 is protected by the terminal cover 41 as shown in FIGS. 16 and 17. On the other hand, in the lower case 1, if the notch piece 49 of the terminal cover 41 is cut out before and after the lower case 1, the area corresponding to the upper row of terminal fittings 5 in the lower case 1 is not covered, and the upper case 1 is not covered. The terminal cover 41 of the terminal plate 3 of the lower case 1 does not hinder the cable 37 extending from the terminal plate 3 of the case 1, and the terminal plate 3 of the lower case 1 is also protected by the terminal cover 41.
[0045]
Moreover, since the notch piece 49 is formed in the terminal cover 41 in a region corresponding to each of the terminal fittings 5, the cover can be individually and accurately removed for each of the target terminal fittings 5 and the notch is provided. It will be easier.
[0046]
Furthermore, since the terminal cover 41 is cut in a U-shape and has the notch piece 49 partially supported by the terminal cover 41 itself, it is possible to easily remove the cover easily for each target terminal fitting 5. Becomes possible.
[0047]
Note that the connection configuration of the notch piece 49 formed in a state of being partially connected to the terminal cover 41 is arbitrary, and can be formed, for example, to be cantilevered.
[0048]
Next, a terminal cover structure as a second configuration according to the present invention will be described.
In this configuration, as shown in FIG. 18, each of the opposite holding pieces 39 of the terminal plate 3 is locked at a position between the engaging holes 43 formed therein and between the rows of the upper and lower terminal fittings 5. While the holes 67 are formed so as to be aligned and penetrated, a notch 69 having a length corresponding to the space between the holding pieces 39 and in which the external partition piece 31 fits is provided. Are combined with the terminal cover piece 73 protruding therefrom.
[0049]
Then, as shown in FIGS. 18 to 20, the tip of the terminal cover piece 73 is inserted between the holding pieces 39 so that the cut 69 is fitted into the outer partition piece 31, and the locking projection 71 is fitted into the locking hole 67. The terminal cover pieces 73 are obliquely arranged on the terminal fittings 5 in the lower row and rotatably supported in a flap shape.
[0050]
Therefore, the cables 37 connected to the upper row of terminal fittings 5 are easily led out, and the cables 37 connected to the upper row of terminal fittings 5 are less likely to come into contact with the lower row of terminal fittings 5, and the upper row of terminals Insulation can be ensured without covering the cable 37 connected to the metal fitting 5 with the protective portion 37a.
[0051]
Further, even if a plurality of cables 37 are connected to the lower row of terminal fittings 5 for crossover wiring, they do not come into contact with or interfere with the upper row of terminal fittings 5, and the usability is improved.
Moreover, since the terminal cover piece 73 is rotatably supported in a flap shape, the cable 37 can be connected without removing the terminal cover piece 73 one by one, thereby improving workability.
[0052]
Note that, in the present invention, the first configuration and the second configuration can be implemented separately or together.
In the embodiment of the present invention, the shape and structure of the case 1 and the terminal plate 3 are arbitrary, and may be any configuration that can hold and store the terminal fitting 5 described above.
[0053]
【The invention's effect】
As described above, the first configuration according to the present invention arranges terminal fitting rows composed of a plurality of terminal fittings attached outward to a terminal board of instruments vertically or vertically and horizontally. A terminal cover that covers the terminal plate and covers the terminal plate, and the terminal plate has projecting external partitioning pieces for partitioning between terminal fittings, and the terminal cover has a slit into which an end of the external partitioning plate fits. Is provided so that it can be cut out for each region corresponding to the terminal fittings in the end row of the terminal fitting rows, so that the insulating cover function can be exerted on the terminal rows of the upper instruments, and the lower Even if the same terminal cover is used for the terminal row of instruments, it does not hinder the cable led out from the terminal row of the upper instruments, making it easier to take out the cable and ensuring insulation protection. There is also a common terminal cover Form the cost can be reduced by.
In addition, since the terminal cover is formed so as to be able to be cut out for each area corresponding to each terminal fitting, a notch can be formed corresponding to any terminal fitting, and in addition to the above-described effects, further protection is provided. The effect can be expected.
Furthermore, in the first configuration, the terminal cover is provided with notches separated by the slits and integrally supported by the terminal plate body for each region corresponding to the individual terminal fittings. The formation of the part is further simplified.
The second configuration according to the present invention is composed of a plurality of terminal fittings attached outward to a terminal board of instruments and arranged in a vertical or horizontal direction, and is covered with the terminal board. ; and a terminal cover piece, its terminal plate is projected outside partition piece for partitioning between the terminal fitting is provided with a notch that they outside partition piece fits at its terminal cover piece, inserted between them the metal terminal sequence In this way, both ends of the terminal cover piece are rotatably supported on the terminal plate, so that the cables connected to the upper row of terminal fittings can be easily derived and connected to the upper row of terminal fittings. It is difficult for the connected cable to contact the terminal fittings 5 in the lower row.
Further, the third configuration according to the present invention covers a plurality of terminal fittings which are attached to the terminal board of instruments outwardly and is arranged vertically and horizontally and vertically, and is covered with the terminal board. and a terminal cover of the instrument, its has a slit in which the edge of the outer partition piece projecting from the terminal plate fitted so as to partition between the terminal fittings, to be cut away in each region corresponding to each of these terminal fittings If the area corresponding to the terminal fitting is cut out, the cable can be connected with the terminal cover in place, and does not hinder the cable from another electronic device.
In the third configuration, if the terminal cover is configured to have cutout pieces separated by the slits and integrally supported by the terminal plate main body in each area corresponding to each terminal fitting , the cutout portion can be formed. Is further simplified.
[Brief description of the drawings]
FIG. 1 is a schematic exploded perspective view showing a first embodiment of a terminal cover structure according to the present invention.
FIG. 2 is a diagram showing a terminal plate in FIG. 1;
FIG. 3 is a cross-sectional view (a cross section taken along line III-III in FIG. 2) showing the terminal plate of FIG. 1;
FIG. 4 is an exploded perspective view (partly in section) of a main part showing the terminal plate in FIG. 1;
FIG. 5 is a perspective view showing a terminal plate in FIG. 1;
FIG. 6 is a perspective view showing a terminal cover in FIG. 1;
FIG. 7 is a perspective view showing a terminal cover in FIG. 1;
FIG. 8 is a top view showing the terminal cover in FIG. 1;
9 is a cross-sectional view showing a terminal cover in FIG. 1 (a cross section taken along line IX-IX in FIG. 8).
FIG. 10 is a front view showing a terminal cover in FIG. 1;
11 is a cross-sectional view (cross-section between XI and XI in FIG. 10) showing the terminal cover in FIG. 1;
12 is a view showing a state in which a notch piece of the terminal cover in FIG. 1 is cut out.
FIG. 13 is a perspective view showing a state in which a notch is cut out of the terminal cover in FIG. 1;
FIG. 14 is a perspective view illustrating an example of use of the terminal cover structure according to the present invention.
FIG. 15 is an exploded perspective view illustrating an example of use of the terminal cover structure according to the present invention.
FIG. 16 is a perspective view illustrating a usage example of the terminal cover structure according to the present invention.
17 is a cross-sectional view of the terminal cover structure in FIG. 16 (the same cross-section as the cross section taken along the line III-III in FIG. 2).
FIG. 18 is an exploded perspective view of a main part explaining a terminal cover structure which is a second configuration according to the present invention.
FIG. 19 is a perspective view illustrating an example of use of the terminal cover structure according to FIG. 18;
20 is a cross-sectional view of the terminal cover structure of FIG. 19 (the same cross-section as the cross section taken along the line III-III in FIG. 2).
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Case 3 Terminal plate 5 Terminal fitting 7 Screw 9 Intermediate piece 11 First open piece 13 Second open piece 15 Auxiliary plates 17a, 17b Lock piece 19 Spring part 21 Circuit board 23 Vertical partition 25 Horizontal partition 27 Holding Part 29 guide part 31 outer partitioning pieces 33a, 33b locking step 35 insertion groove 37 cable 37a protective part 39 holding piece 41 terminal cover 43 engaging hole 45 cover body 47 side part 47a thin part 49 cutout piece 51 slit 53 connecting part 55 Engagement projections 57a, 57b Reinforcement piece 59 Notch 61 Panel 63 Press member 65 Engagement groove 67 Engagement hole 69 Cutout 71 Engagement projection 73 Terminal cover piece A Terminal fitting row

Claims

Instrument terminal board,
This terminal plate comprises a plurality of terminal fittings arranged outward, and a plurality of terminal fittings arranged vertically or horizontally and vertically,
A terminal cover covering each of the terminal fittings and covering the terminal plate,
It is a terminal cover structure of instruments having:
The terminal plate has a protruding outer partition piece that partitions between the terminal fittings,
The terminal cover has a slit in which an end of the outer partition plate fits, and is formed so as to be cutout in each region corresponding to the terminal fitting in an end row formed by the terminal fitting. Terminal cover structure for instruments that do.

2. The instrument according to claim 1 , wherein the terminal cover has cutouts separated by the slit and integrally supported by the terminal plate body for each area corresponding to each of the terminal fittings. 3 . Terminal cover structure.

Instrument terminal board,
This terminal plate comprises a plurality of terminal fittings arranged outward, and a plurality of terminal fittings arranged vertically or horizontally and vertically,
A terminal cover piece covered on the terminal plate,
It is a terminal cover structure of instruments having:
The terminal plate has a protruding outer partition piece that partitions between the terminal fittings,
The terminal cover piece has a cut in which the external partition piece fits , and both ends of the instrument are rotatably supported by the terminal plate so as to be inserted between terminal rows formed by the terminal fittings. Terminal cover structure.

It is a terminal cover of instruments that is composed of a plurality of terminal fittings arranged outward on a terminal board of instruments and covers a plurality of terminal fittings arranged vertically or horizontally and horizontally, and is placed on the terminal board,
The terminal cover has a slit into which an end of an external partition piece protruding from the terminal plate to partition between the terminal fittings is formed, and is formed so as to be cutout in each area corresponding to each of the terminal fittings. A terminal cover for instruments.

5. The instrument according to claim 4 , wherein the terminal cover has notches separated by the slit and integrally supported by the terminal plate main body for each area corresponding to each of the terminal fittings . 6. Terminal cover.