JPS6348046Y2 - - Google Patents

Description

【考案の詳細な説明】 本考案は小型電磁継電器に関する。[Detailed explanation of the idea] The present invention relates to a small electromagnetic relay.

電磁継電器は、コイルへの通電を外部から制御
することによつて電磁石の励磁、非励磁を制御し
て、接点の切換えを行うようになつている。この
ためコイルを導電部材で形成された板状のコイル
接続端子に電気的に接続し、このコイル接続端子
から延設された端子を電磁継電器のケースから外
部へ突出させている。 An electromagnetic relay is designed to switch contacts by controlling energization and de-excitation of an electromagnet by externally controlling energization of a coil. For this purpose, the coil is electrically connected to a plate-shaped coil connection terminal made of a conductive member, and a terminal extending from the coil connection terminal is made to protrude outside from the case of the electromagnetic relay.

第１図は従来のこのようなコイル接続端子を用
いた小型電磁継電器の一例を示している。即ち、
一面が開口した箱型ケース１には、電磁石２が収
納されている。電磁石２の下部には、コイルをそ
れぞれ電気的に接続するコイル接続端子５と固定
接点、可動接点バネなどの接点組６とをそれぞれ
有する２つの接点ブロツク７，７が、電磁石２と
底蓋８との間に位置するように、ケース１内に収
納されている。コイル接続端子５，５は、底蓋８
を貫通した端子９，９から延設された導電部材か
らなる板材の端部を相対向するように折曲して形
成されている。このコイル接続端子５，に電磁石
２のリード線ｌが底蓋８近傍まで引き出されて巻
付けハンダ付けによつて接続されている。 FIG. 1 shows an example of a conventional compact electromagnetic relay using such a coil connection terminal. That is,
An electromagnet 2 is housed in a box-shaped case 1 with one side open. At the bottom of the electromagnet 2, there are two contact blocks 7, 7 each having a coil connection terminal 5 for electrically connecting the coils, and a contact group 6 such as a fixed contact and a movable contact spring. It is housed in the case 1 so as to be located between. The coil connection terminals 5, 5 are connected to the bottom cover 8.
It is formed by bending the ends of a plate made of a conductive member extending from the terminals 9 passing through the terminals 9 so as to face each other. A lead wire 1 of the electromagnet 2 is drawn out to the coil connecting terminal 5 to the vicinity of the bottom cover 8 and connected by winding and soldering.

しかし上記の電磁継電器では、コイル接続端子
５，５が短く、電磁石２のコイルからの距離が大
となつているためコイル接続端子５，５にリード
線ｌを接続する際に他の部分にリード線ｌをひつ
かけて断線したりすることが多く作業性が悪く、
また余長をもたせて取り付けるとリード線ｌが他
の導電部分に接触して不都合を生じる恐れがあ
り、また直線状に緊張させた状態でコイル接続端
子５，５に取り付けると、電磁継電器が外部から
の振動を受けた場合にリード線ｌにも振動が加わ
つて断線したりすることがしばしば生じていた。 However, in the above electromagnetic relay, the coil connecting terminals 5, 5 are short and the distance from the electromagnet 2 is large, so when connecting the lead wire l to the coil connecting terminals 5, 5, the lead wire is connected to other parts. The workability is poor, as the wires often get bent and disconnected.
In addition, if the lead wire l is attached with an extra length, there is a risk that the lead wire l will come into contact with other conductive parts, causing problems. Also, if the lead wire l is attached to the coil connection terminals 5, 5 with tension in a straight line, the electromagnetic relay When vibrations are applied to the lead wire l, the vibration is often applied to the lead wire l, causing the wire to break.

本考案は上記の欠点を改めた小型電磁継電器を
提供することを目的としている。 The object of the present invention is to provide a compact electromagnetic relay that overcomes the above-mentioned drawbacks.

この目的のために、本考案ではコイル接続端子
を接点ブロツクから電磁石の両側近傍まで延設さ
れた板バネで構成してコイルから取り付け位置ま
での距離を短くするとともに、先端部近傍に電磁
石とは反対側に延びる突片を設け、この突片をケ
ース内壁に圧接係止させるようにしたことを特徴
としている。 For this purpose, in the present invention, the coil connecting terminal is constructed of leaf springs extending from the contact block to near both sides of the electromagnet to shorten the distance from the coil to the mounting position, and the electromagnet is placed near the tip. The device is characterized in that a protruding piece extending to the opposite side is provided, and this protruding piece is pressed into contact with the inner wall of the case.

以下、図面に基いて本考案の一実施例を説明す
る。 Hereinafter, one embodiment of the present invention will be described based on the drawings.

第２図は本考案による電磁継電器の一実施例を
示す分解斜視図である。 FIG. 2 is an exploded perspective view showing an embodiment of the electromagnetic relay according to the present invention.

同図において、２０は電磁石ブロツク、２２は
継鉄で、継鉄２２の両側端面には、一対の接点ブ
ロツク２４，２４の嵌込み穴２５，２５にそれぞ
れ嵌め込むための凸部２３，２３が形成れてい
る。 In the figure, 20 is an electromagnetic block, 22 is a yoke, and on both end faces of the yoke 22, protrusions 23, 23 are provided for fitting into the fitting holes 25, 25 of a pair of contact blocks 24, 24, respectively. It is formed.

接点ブロツク２４は、合成樹脂などから成るほ
ぼ長方体状の絶縁部材２６に一端に端子２７〜３
０が形成された導電部材がモールドされて成る。
これらの導電部材は第３図に示すように端子２
７，２８，２９，３０の他端側にそれぞれ延設さ
れたコイル接続端子３１、台座片３２、固定接点
用板片３３，３４を有している。 The contact block 24 has a substantially rectangular insulating member 26 made of synthetic resin or the like, and has terminals 27 to 3 at one end.
It is formed by molding a conductive member on which 0 is formed.
These conductive members are connected to terminal 2 as shown in FIG.
It has a coil connection terminal 31, a pedestal piece 32, and fixed contact plate pieces 33 and 34 extending from the other end sides of the terminals 7, 28, 29, and 30, respectively.

端子２７の一端に絶縁部材２６を貫通して形成
されたコイル接続端子３１は、第３図、第４図に
示すように絶縁部材２６の、端子２７，２８，２
９，３０が突出した面２６ａとは反対側の面２６
ｂに突出し、電磁石２１の両側近傍まで延設され
た板バネによつて構成されている。このコイル接
続端子３１の上側端部には、電磁石のコイル２１
ｂを電気的に接続するための切欠き３５が設けら
れている。さらにコイル接続端子３１の切欠き３
５と反対側側方に斜め下方に電磁石と反対側に延
びる突片３６が設けられている。突片３６はその
先端が絶縁部材２６の電磁石と反対側側面２６ｃ
より突出するように折曲されていて、ケース４５
内へ収納した際コイル接続端子３１のバネ性によ
つて先端がケース４５の内壁に圧接係止されるよ
うになつている。 The coil connection terminal 31 formed at one end of the terminal 27 by penetrating the insulating member 26 is connected to the terminals 27, 28, 2 of the insulating member 26 as shown in FIGS. 3 and 4.
The surface 26 opposite to the surface 26a from which 9 and 30 protrude
The electromagnet 21 is constructed of a plate spring that protrudes in the direction b and extends to the vicinity of both sides of the electromagnet 21. An electromagnetic coil 21 is connected to the upper end of this coil connection terminal 31.
A notch 35 is provided for electrically connecting b. Furthermore, the notch 3 of the coil connection terminal 31
A projecting piece 36 is provided on the side opposite to 5 and extends diagonally downward to the side opposite to the electromagnet. The tip of the protruding piece 36 is connected to the side surface 26c of the insulating member 26 opposite to the electromagnet.
Case 45 is bent to protrude more.
When the coil connecting terminal 31 is stored inside, the spring property of the coil connecting terminal 31 causes the tip end to be pressed against the inner wall of the case 45.

絶縁部材２６は、第３図に示すように、端子が
突出した面２６ａにおいて切欠き３７，３８を、
この面２６ａとは反対側の面２６ｂにおいて切欠
き３９を有し、台座片３２、固定接点用板片３
３，３４が各切欠き３７，３８，３９の底面に沿
つて直角に折曲されている。従つて２つの固定接
点用板片３３，３４は絶縁部材２６を上下両面か
ら挾むように面２６ａ，２６ｂとに隣り合う面２
６ｄの側方において向かいあつている。 As shown in FIG. 3, the insulating member 26 has cutouts 37 and 38 on the surface 26a from which the terminals protrude.
A notch 39 is provided on the surface 26b opposite to this surface 26a, and the pedestal piece 32 and the fixed contact plate piece 3 are provided.
3 and 34 are bent at right angles along the bottom surface of each notch 37, 38, and 39. Therefore, the two fixed contact plate pieces 33 and 34 sandwich the insulating member 26 from both the upper and lower surfaces, and the surface 2 adjacent to the surfaces 26a and 26b.
They face each other on the sides of 6d.

台座片３２の上面には第５図に示すように可動
接点バネ４０の一端が固着されている。このため
可動接点バネ４０の他端は２つの固定接点用板片
３３，３４間に位置するが、そのバネ性によつて
常時は上側の固定接点用板片３３側に当接してい
る。固定接点用板片３３，３４の互いに向かい合
う面には、それぞれ接点部材３３ａ，３４ａが固
着されている。さらに可動接点バネ４０の上下両
面には、それぞれ接点部材３３ａ，３４ａに対応
した位置において、接点部材４０ａ，４０ｂが固
着されている。 One end of a movable contact spring 40 is fixed to the upper surface of the pedestal piece 32, as shown in FIG. Therefore, the other end of the movable contact spring 40 is located between the two fixed contact plate pieces 33 and 34, but due to its spring properties, it is always in contact with the upper fixed contact plate piece 33 side. Contact members 33a and 34a are fixed to mutually opposing surfaces of the fixed contact plate pieces 33 and 34, respectively. Furthermore, contact members 40a and 40b are fixed to the upper and lower surfaces of the movable contact spring 40 at positions corresponding to the contact members 33a and 34a, respectively.

絶縁部材２６の前記嵌込み穴２５は、端子突出
側とは反対側の面２６ｂのほぼ中央に突設された
突出部４１の基部に形成されていて、この嵌込み
穴２５，２５に継鉄２２の凸部２３，２３が嵌め
込まれている。 The fitting hole 25 of the insulating member 26 is formed at the base of a protrusion 41 that protrudes from approximately the center of the surface 26b on the opposite side from the terminal protruding side. 22 convex portions 23, 23 are fitted.

継鉄２２の角部には、先端がＨ字状に形成され
たほぼＬ字状の接極子４２及びＬ字状のヒンジバ
ネ４３とが重ね合わされている。ヒンジバネ４３
の先端には、両側端面に嵌合溝を有するカード４
４がモールドされていて、嵌合溝に接極子先端を
嵌め込むことによつて、接極子４２とヒンジバネ
４３とが離脱しないようになつている。 At the corner of the yoke 22, a substantially L-shaped armature 42 with an H-shaped tip and an L-shaped hinge spring 43 are superimposed. Hinge spring 43
At the tip of the card 4, the card 4 has fitting grooves on both end faces.
4 is molded, and by fitting the tip of the armature into the fitting groove, the armature 42 and hinge spring 43 are prevented from coming apart.

底蓋４６は矩形平板状をなし、端子２７〜３０
が貫通する端子穴４７〜５０を有していて、ケー
ス４５の下側で各端子２７〜３０を通して絶縁部
材２６の端子突出面２６ａまで押し込められてケ
ース４５の開口部は閉塞されている。 The bottom cover 46 has a rectangular flat plate shape, and has terminals 27 to 30.
The opening of the case 45 is closed by pushing the terminals 27 to 30 through the terminal holes 47 to 50 on the lower side of the case 45 to the terminal protruding surface 26a of the insulating member 26.

上記の構造の電磁継電器では、電磁石ブロツク
２０に接極子４２及びヒンジバネ４３を組込み、
電磁石ブロツク２０の下方において両側から一対
の接点ブロツク２４，２４を継鉄２２の凸部２
３，２３に嵌め込む。すると電磁石２１の端部近
傍にコイル接続端子３１の先端が位置しているの
で、このコイル接続端子３１にコイル２１ｂのリ
ード線ｌを巻きつけハンダ付けし、ケース４５内
に挿入する。２つの突片３６，３６の先端間の距
離はケース４５の内径よりも大なので、第６図に
示すように、コイル接続端子３１，３１の突片３
６，３６がケース４５の内壁４５ａに当接し、コ
イル接続端子３１，３１は電磁石２１側へ撓む。
従つて板バネから成るコイル接続端子３１，３１
の元に戻ろうとするバネ性によつて、コイル接続
端子３１，３１はケース４５の内壁４５ａに圧接
係止された状態となる。また、コイル２１ｂのリ
ード線ｌを緊張状態でコイル接続端子３１，３１
に取り付けても、ケース４５に挿入すると、コイ
ル接続端子３１，３１は電磁石２１側へ僅かに撓
んだ状態となるので、第６図に示すように緊張状
態から解放され、ややたるんで状態、即ち余長の
ある接続状態となつている。 In the electromagnetic relay having the above structure, the armature 42 and the hinge spring 43 are incorporated into the electromagnetic block 20,
A pair of contact blocks 24, 24 are connected to the convex portion 2 of the yoke 22 from both sides below the electromagnetic block 20.
Insert into 3 and 23. Then, since the tip of the coil connecting terminal 31 is located near the end of the electromagnet 21, the lead wire l of the coil 21b is wound around the coil connecting terminal 31, soldered, and inserted into the case 45. Since the distance between the tips of the two protruding pieces 36, 36 is larger than the inner diameter of the case 45, as shown in FIG.
6 and 36 come into contact with the inner wall 45a of the case 45, and the coil connection terminals 31 and 31 are bent toward the electromagnet 21 side.
Therefore, the coil connection terminals 31, 31 made of leaf springs
The coil connecting terminals 31, 31 are pressed against the inner wall 45a of the case 45 due to their springiness to return to their original positions. In addition, the coil connecting terminals 31, 31 are connected to each other while the lead wire l of the coil 21b is in a tensioned state.
Even if the coil connecting terminals 31, 31 are inserted into the case 45, they will be slightly bent toward the electromagnet 21, so as shown in FIG. In other words, the connection state is such that there is some extra length.

第７図は本考案の他の実施例を示すもので、突
片３６はコイル接続端子３１の先端近傍を電磁石
２１と反対側へ斜め下方に折曲することによつて
構成されている。 FIG. 7 shows another embodiment of the present invention, in which the projecting piece 36 is constructed by bending the vicinity of the tip of the coil connecting terminal 31 diagonally downward toward the side opposite to the electromagnet 21.

以上本考案の実施例を説明したが、本考案は上
記の実施例に限定されるものではなく、その各部
の構成において本考案の主旨を逸脱しない範囲で
種々の変形が可能なことは勿論であり、例えば突
片を電磁石と反対側に直角にあるいは斜め上方に
突出させてもよい。 Although the embodiments of the present invention have been described above, the present invention is not limited to the above embodiments, and it goes without saying that various modifications can be made to the configuration of each part without departing from the gist of the present invention. For example, the protruding piece may protrude at right angles or diagonally upward on the side opposite to the electromagnet.

本考案は上記のような構成であるので、 (イ) コイルを緊張状態でコイル接続端子に接続し
てもケースに収納後はコイル接続端子がケース
内壁で押圧されてコイルに遊びが生ずるため、
電磁継電器が外部からの振動を受けてもコイル
に断線を生じることがない。またコイル接続端
子は突片がケース内壁に強く圧接係止している
ので、電磁継電器が外部から振動を受けてもコ
イル接続端子に共振現象などが生じず断線や取
付け部が痛んだりする不都合がない。 Since the present invention has the above-mentioned configuration, (a) Even if the coil is connected to the coil connection terminal in a tensioned state, after being stored in the case, the coil connection terminal will be pressed against the inner wall of the case, causing play in the coil.
Even if the electromagnetic relay receives vibration from the outside, the coil will not break. In addition, the protruding piece of the coil connecting terminal is firmly press-fitted to the inner wall of the case, so even if the electromagnetic relay is subjected to external vibrations, the coil connecting terminal does not resonate, and there is no inconvenience such as wire breakage or damage to the mounting part. do not have.

(ロ) コイルを接続するコイル接続端子の先端部が
電磁石のコイルの近傍に位置しているのでコイ
ル接続の際にコイルを他の部分にひつかけたり
するおそれがなく作業性が格段によくなる。(b) Since the tip of the coil connecting terminal for connecting the coil is located near the coil of the electromagnet, there is no risk of the coil getting caught in other parts when connecting the coil, and work efficiency is greatly improved.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の電磁継電器を示す図、第２図は
本考案の電磁継電器の一実施例を示す分解斜視
図、第３図は第２図の電磁継電器における接点ブ
ロツクを示す側面図、第４図は同じく正面図、第
５図は可動接点バネを固着した接点ブロツクを示
す側面図、第６図はコイル取付け端子の作用を説
明するための正面説明図、第７図は本考案による
電磁継電器におけるコイル取付け端子の他の実施
例を示す図である。 ２０……電磁石ブロツク、２１……電磁石、２
１ａ……鉄心、２１ｂ……コイル、２２……継
鉄、２６……絶縁部材、２７，２８，２９，３０
……端子、３１……コイル接続端子、３５……切
欠き、３６……突片、４５……ケース、４６……
底蓋。 FIG. 1 is a diagram showing a conventional electromagnetic relay, FIG. 2 is an exploded perspective view showing an embodiment of the electromagnetic relay of the present invention, FIG. 3 is a side view showing a contact block in the electromagnetic relay of FIG. Fig. 4 is a front view, Fig. 5 is a side view showing a contact block to which a movable contact spring is fixed, Fig. 6 is a front explanatory view for explaining the action of the coil mounting terminal, and Fig. 7 is an electromagnetic device according to the present invention. It is a figure which shows the other Example of the coil attachment terminal in a relay. 20... Electromagnet block, 21... Electromagnet, 2
1a... Iron core, 21b... Coil, 22... Yoke, 26... Insulating member, 27, 28, 29, 30
... terminal, 31 ... coil connection terminal, 35 ... notch, 36 ... protrusion, 45 ... case, 46 ...
Bottom lid.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一面が開口した箱型のケースと、前記ケース内
に収納される電磁石と、前記ケースの開口部に取
り付けられる底蓋と、前記ケース内に、前記電磁
石と前記底蓋との間に位置するように収納され、
前記電磁石のコイルが電気的に接続されるコイル
接続端子及び接点組みとを有する接点ブロツクと
を備えた小型電磁継電器において；前記コイル接
続端子を前記電磁石の両側近傍まで延設された板
バネで構成すると共に、先端部近傍に電磁石とは
反対側に延びる突片を設け、前記電磁石のコイル
を電磁石の側方において前記コイル接続端子の先
端部に電気的に接続すると共に前記コイル接続端
子を電磁石方向へ圧した状態で前記ケース内に前
記接点ブロツクを挿入することによつて、前記ケ
ース内壁に前記コイル接続端子の突片が圧接係止
されるようにしたことを特徴とする小型電磁継電
器。 a box-shaped case with one side open; an electromagnet housed in the case; a bottom cover attached to the opening of the case; is stored in
In a small electromagnetic relay comprising a contact block having a coil connecting terminal to which the coil of the electromagnet is electrically connected and a contact assembly; At the same time, a protrusion extending toward the opposite side of the electromagnet is provided near the tip, and the coil of the electromagnet is electrically connected to the tip of the coil connecting terminal on the side of the electromagnet, and the coil connecting terminal is connected in the direction of the electromagnet. 1. A small electromagnetic relay, characterized in that by inserting the contact block into the case in a pressed state, the projecting piece of the coil connection terminal is press-fitted to the inner wall of the case.