JP3743843B2

JP3743843B2 - Relay connection structure

Info

Publication number: JP3743843B2
Application number: JP2002053352A
Authority: JP
Inventors: 勝久森; 久蔵山方
Original assignee: Nichifu Terminal Industries Co Ltd
Current assignee: Nichifu Terminal Industries Co Ltd
Priority date: 2002-02-28
Filing date: 2002-02-28
Publication date: 2006-02-08
Anticipated expiration: 2022-02-28
Also published as: JP2003257528A

Description

【０００１】
【発明が属する技術分野】
本発明は、電線若しくは電気機器につながる棒端子と、この棒端子を着脱自在に受け入れる端子挿入孔を備えたコネクタ等の電気機器（以下単にコネクタという）との接続部の構造に関する。
【０００２】
【従来の技術】
従来、棒端子とコネクタとの接続部の構造としては、コネクタの端子挿入孔に棒端子を挿入した後、セットビスをコネクタ外部から螺進させて棒端子の周面を圧着することによって固定する方法がよく知られている。
【０００３】
【発明が解決しようとする課題】
しかし、上記の接続部の構造は、取り付け又は取り外し時に作業者がセットビスを操作しなければならず、殊に多極コネクタ等のような多数の接続部を有する場合には操作が大変煩雑で時間を必要とした。加えてセットビス先端によるポイント接触で圧着するものであるから、使用電力の多寡による熱膨張や熱収縮の影響や、使用中におけるビスの緩み等によって接触部分の状態が変化し、安定した電気接続ができないといった欠点があった。
【０００４】
そこで本発明は、上記従来欠点を解消し、ワンタッチで簡単に接続でき、しかも、熱膨張や熱収縮の影響を受けることなく長期にわたって安定して電気接続ができる中継用接続部の構造を提供することを主たる目的とするものである。
【０００５】
【課題を解決するための手段】
上記の目的を達成するために本発明では次のような手段を講じた。即ち、本発明の中継用接続部の構造にあっては、電線若しくは電気機器Ｂに接続された棒端子１と、この棒端子１を着脱自在に受け入れる端子挿入孔２を備えたコネクタＡとを含み、前記棒端子１が、その周側面に軸方向に沿った平らな接触面１ａとその先端部に係合突起１ｂを備え、前記コネクタＡの端子挿入孔２に、前記棒端子１の平らな接触面１ａに弾力的に面接触する部分と反り上げた先端部分３ａを有する導体板バネ製の接触子３が設けられ、棒端子１を端子挿入孔２に挿入したときに係合突起１ｂが接触子３の先端部分３ａに弾力的に係合するように形成され、前記接触子３がコネクタ外部から操作できるビス４によって止着されており、このビス４の先端が挿入された棒端子１の周面に圧着できるように螺進可能に形成されている構造とした。このような構成とすることにより、棒端子１を端子挿入孔２に挿入することにより接触子３が平らな接触面に弾力的に面接触で圧接し、簡単にかつ確実に接続することができる。
【０００６】
【発明の実施の形態】
以下本発明の詳細を図１〜図３で示した実施例に基づいて説明する。図において符号１は円柱状の棒端子であって、電気機器Ｂ若しくは被覆電線に接続された棒端子１と、この棒端子１を着脱自在に受け入れる複数の端子挿入孔２を備えたコネクタＡとからなる。前記棒端子１の周側面に軸方向に沿った平らな接触面１ａが設けられている。
【０００７】
前記コネクタＡは、端子挿入孔２を備えた導体ボデイ５を内装し、前記端子挿入孔２に棒端子１が挿入されたときに棒端子１の平らな接触面１ａに弾力的に面接触する導体板バネ製の接触子３が設けられている。該接触子３はコネクタ外部から操作できるビス４によって止着されている。
【０００８】
前記コネクタＡは、単なる中継コネクタであってもよく、或いは内部に各種機能を備えた電気機器であっても良い。また端子挿入孔２の数は内装する電気機能によって増減される。
【０００９】
上記の如く構成された中継用接続部の構造では、棒端子１を端子挿入孔２に挿入することにより接触子３が平らな接触面１ａに圧接し、簡単に接続することができる。また接触子３が接触面１ａに面接触で弾力的に圧接するので使用電力の多寡による接続部分の熱膨張や熱収縮の影響を受けることなく長期にわたって確実に安定した接続状態を維持することができる。
【００１０】
尚、上記棒端子１の平らな接触面１ａの先端部に小さな係合突起１ｂを設けて、棒端子１を図２に示すように端子挿入孔２に挿入したときに、係合突起１ｂが接触子３の先端部分３ａに弾力的に係合するように形成するのがよい。これにより棒端子１を所定の力で保持することができると共に、棒端子を奥まで押し込んだときにカチッとした感触があって安心感が得られる。
【００１１】
また、図４並びに図５に示すように、ビス４の先端が挿入された棒状端子１の周面に圧着できるように、ビス座面にスプリングワッシャ４ａを介在させて螺進可能に形成してある。これにより一部のビス４を螺進させることにより強く棒端子１を固定することができる。
【００１２】
以上本発明の代表的と思われる実施例について説明したが、本発明は必ずしもこれらの実施例、変形例のみに限定されるものではなく、その構成要件を備え、本発明の目的を達成し、以下にいう効果を有する範囲内において適宜改変して実施することができるものである。
【００１３】
【発明の効果】
本発明は上記の如く構成されたものであるから、棒端子を端子挿入孔に挿入するだけで簡単に接続できるとともに、接触子が棒端子の接触面に面接触で弾力的に圧接するので使用電力の多寡による接続部分の熱膨張や熱収縮の影響を受けることなく長期にわたって確実に安定した接続状態を維持することができるといった効果がある。また棒端子を端子挿入孔に挿入したときに棒端子の係合突起が接触子の先端部分に係合して棒端子を弾性保持する構成とすることにより、棒端子を所定の力で保持することができると共に、棒端子を奥まで押し込んだときにカチッとした感触があって安心感が得られる。またビスの先端が挿入された棒端子の周面に圧着できるように螺進可能に形成されている構成とすることにより、必要なときにビスを螺進させることにより強く棒端子を固定することができるといった効果がある。
【図面の簡単な説明】
【図１】本発明に係る中継用接続部の構造の一実施例を示す透視図。
【図２】本発明に係る中継用接続部の構造の接続前の断面図。
【図３】本発明に係る中継用接続部の構造の接続時の断面図。
【図４】本発明の他の実施例を示す接続前の断面図。
【図５】上記実施例における接続時の断面図。
【符号の説明】
１棒端子
１ａ平らな接触面
１ｂ係合突起
２端子挿入孔
３接触子
３ａ接触子の先端部
４ビス
Ａコネクタ
Ｂ電気機器[0001]
[Technical field to which the invention belongs]
The present invention relates to a structure of a connecting portion between a bar terminal connected to an electric wire or an electric device and an electric device (hereinafter simply referred to as a connector) such as a connector having a terminal insertion hole for detachably receiving the bar terminal.
[0002]
[Prior art]
Conventionally, the structure of the connecting portion between the bar terminal and the connector is fixed by inserting the bar terminal into the terminal insertion hole of the connector and then screwing the set screw from the outside of the connector to crimp the peripheral surface of the bar terminal. The method is well known.
[0003]
[Problems to be solved by the invention]
However, the structure of the connecting portion described above requires the operator to operate the set screw during attachment or removal, and the operation is very complicated especially when a large number of connecting portions such as a multipolar connector are provided. Took time. In addition, since it is crimped by point contact with the tip of the set screw, the state of the contact part changes due to the effects of thermal expansion and contraction due to the large amount of power used, and loosening of the screw during use, and stable electrical connection There was a drawback that could not.
[0004]
Therefore, the present invention eliminates the above-mentioned conventional drawbacks, and provides a structure of a connecting part for a relay that can be easily connected with one touch and can be stably electrically connected for a long time without being affected by thermal expansion or contraction. This is the main purpose.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the present invention takes the following measures. That is, in the structure of the connecting portion for relay according to the present invention, the bar terminal 1 connected to the electric wire or the electric device B and the connector A having the terminal insertion hole 2 for removably receiving the bar terminal 1 are provided. The bar terminal 1 includes a flat contact surface 1a along the axial direction on the peripheral side surface thereof, and an engagement protrusion 1b at the tip thereof, and the flat end of the bar terminal 1 is inserted into the terminal insertion hole 2 of the connector A. A contact 3 made of a conductive leaf spring having a portion that is elastically in surface contact with the contact surface 1a and a warped tip portion 3a is provided, and when the bar terminal 1 is inserted into the terminal insertion hole 2, the engagement protrusion 1b Is formed so as to be elastically engaged with the tip portion 3a of the contact 3, and the contact 3 is fixed by a screw 4 that can be operated from the outside of the connector, and a bar terminal into which the tip of the screw 4 is inserted It is formed so that it can be screwed so that it can be crimped to the peripheral surface of 1. Was that structure. With such a configuration, it is possible that the contact 3 by inserting the ferrules 1 into the terminal insertion hole 2 is pressed against the resiliently interview touch the flat contact surface, simply and securely connected .
[000 6 ]
DETAILED DESCRIPTION OF THE INVENTION
The details of the present invention will be described below based on the embodiments shown in FIGS. In the figure, reference numeral 1 denotes a cylindrical bar terminal, which is a bar terminal 1 connected to an electric device B or a covered electric wire, and a connector A having a plurality of terminal insertion holes 2 for removably receiving the bar terminal 1; Consists of. A flat contact surface 1 a along the axial direction is provided on the peripheral side surface of the bar terminal 1.
[000 7 ]
The connector A includes a conductor body 5 provided with a terminal insertion hole 2 is furnished to resiliently interview touch the flat contact surface 1a of the ferrule 1 when ferrule 1 into the terminal insertion hole 2 is inserted The contactor 3 made of a conductive leaf spring is provided. The contact 3 is fixed by a screw 4 that can be operated from the outside of the connector.
[00 08 ]
The connector A may be a simple relay connector or may be an electric device having various functions inside. In addition, the number of terminal insertion holes 2 is increased or decreased depending on the electrical function provided.
[00 09 ]
In the structure of the connecting portion for relay configured as described above, the contact 3 is pressed against the flat contact surface 1a by inserting the bar terminal 1 into the terminal insertion hole 2, and can be easily connected. Also it contact 3 is to maintain a reliably stable connection state for a long time without being affected by thermal expansion or thermal contraction of the connecting portion due to amount of power used so resiliently pressed against the touch interview contact surface 1a it can.
[001 0 ]
Incidentally, when a small engaging projection 1b is provided at the tip of the flat contact surface 1a of the bar terminal 1, and the rod terminal 1 is inserted into the terminal insertion hole 2 as shown in FIG. It is good to form so that the front-end | tip part 3a of the contactor 3 may be elastically engaged. As a result, the bar terminal 1 can be held with a predetermined force, and a sense of security can be obtained when the bar terminal is pushed all the way into place.
[001 1 ]
Further, as shown in FIG. 4 and FIG. 5, so that it can be crimped to the peripheral surface of the rod-like terminal 1 the tip of the screw 4 is inserted, screwed can be formed to be interposed spring washer 4a bis seat surface There is . Thereby, the rod terminal 1 can be firmly fixed by screwing a part of the screws 4.
[001 2 ]
Although the embodiments considered to be representative of the present invention have been described above, the present invention is not necessarily limited only to these embodiments and modifications, and includes the structural requirements to achieve the object of the present invention. The present invention can be implemented with appropriate modifications within the scope of the following effects.
[001 3 ]
【The invention's effect】
Since the present invention has the composition described above, use is possible simply by connecting to insert the ferrule into the terminal insertion hole, since the contact is resiliently pressed against the touch interview contact surface of ferrule There is an effect that a stable connection state can be reliably maintained over a long period of time without being affected by thermal expansion and contraction of the connection portion due to the amount of electric power. In addition, when the bar terminal is inserted into the terminal insertion hole, the bar terminal is held with a predetermined force by engaging the bar terminal engagement protrusion with the tip of the contact and elastically holding the bar terminal. In addition to being able to feel it when you push the rod terminal all the way in, you can feel secure. In addition, the rod terminal is strongly fixed by screwing the screw when necessary by adopting a structure that can be screwed so that the tip of the screw can be crimped to the peripheral surface of the inserted rod terminal. There is an effect that can be.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an embodiment of a structure of a relay connection portion according to the present invention.
FIG. 2 is a cross-sectional view before connection of the structure of the connecting portion for relay according to the present invention.
FIG. 3 is a cross-sectional view at the time of connection of the structure of the connecting portion for relay according to the present invention.
FIG. 4 is a cross-sectional view before connection showing another embodiment of the present invention.
FIG. 5 is a cross-sectional view at the time of connection in the embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Bar terminal 1a Flat contact surface 1b Engagement protrusion 2 Terminal insertion hole 3 Contact 3a Contact tip 4 Screw A Connector B Electrical equipment

Claims

A bar terminal (1) connected to an electric wire or an electrical device (B), and a connector (A) having a terminal insertion hole (2) for removably receiving the bar terminal (1), the bar terminal ( 1) is provided with a flat contact surface (1a) along the axial direction on its peripheral side surface and an engagement protrusion (1b) at its tip , and the rod is inserted into the terminal insertion hole (2) of the connector (A). A contact (3) made of a conductive leaf spring having a portion that elastically contacts the flat contact surface (1a) of the terminal (1) and a tip portion (3a) that is warped is provided, and the bar terminal (1) the engaging projection when inserted into the terminal insertion hole (2) (1b) is formed so as to resiliently engage the tip portion (3a) of the contacts (3), said contacts (3) connector A relay connection that is fastened by a screw (4) that can be operated from the outside, and that can be screwed so that the tip of this screw (4) can be crimped to the peripheral surface of the inserted rod terminal (1) Part structure.