JPS60185379A - Plug-in type terminal - Google Patents
Plug-in type terminalInfo
- Publication number
- JPS60185379A JPS60185379A JP3850184A JP3850184A JPS60185379A JP S60185379 A JPS60185379 A JP S60185379A JP 3850184 A JP3850184 A JP 3850184A JP 3850184 A JP3850184 A JP 3850184A JP S60185379 A JPS60185379 A JP S60185379A
- Authority
- JP
- Japan
- Prior art keywords
- plug
- terminal
- contact
- input terminal
- opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔発明の利用分野〕
本発明は、冷蔵庫等の電動圧縮機の外殻に設けた円柱状
の入力端子に直結して用いる差込式端子の改良に係り、
特に接触信頼性の高い差込式端子に関する。[Detailed Description of the Invention] [Field of Application of the Invention] The present invention relates to an improvement of a plug-in terminal that is directly connected to a cylindrical input terminal provided on the outer shell of an electric compressor such as a refrigerator.
In particular, it relates to a plug-in terminal with high contact reliability.
従来の差込式端子を第１図〜第７図により説明する。１
は電動圧縮機であり、２は該電動圧縮機１の外殻１ａに
設けた円柱状の入力端子である。A conventional plug-in terminal will be explained with reference to FIGS. 1 to 7. 1
is an electric compressor, and 2 is a cylindrical input terminal provided on the outer shell 1a of the electric compressor 1.
３は前記入力端子２と結合するための差込式端子である
。前記差込式端子３には、両端部を八字形に折曲した略
三角形状の開口部３ａが設けられ、かつ、この開口部３
ａの内面には入力端子２の外形寸法より広い間隔の漏斗
状の案内部３ ａｌと、入力端子２の外形寸法より狭い
間隔の直線状の接触部３ａｔが形成されている。また、
接触部３ａｔの一端部には、前記開口部３ａと直角方向
に折曲した電線４を接続する電線接続部３ｂが設けられ
ている。５は前記差込式端子３の漏斗状の案内部３ａ＋
側に開口部５ａを有する絶縁ケースである。3 is a plug-in terminal for coupling with the input terminal 2. The plug-in terminal 3 is provided with a substantially triangular opening 3a with both ends bent into a figure eight shape, and this opening 3
On the inner surface of the input terminal 2, a funnel-shaped guide portion 3al with an interval wider than the external dimension of the input terminal 2 and a linear contact portion 3at with a narrower interval than the external dimension of the input terminal 2 are formed. Also,
A wire connection portion 3b is provided at one end of the contact portion 3at to connect the wire 4 bent at right angles to the opening 3a. 5 is a funnel-shaped guide portion 3a+ of the plug-in terminal 3;
It is an insulating case with an opening 5a on the side.
かかる構成の差込式端子３を入力端子２に結合するには
、絶縁ケース５の開口穴５ａ側から入力端子２を挿入し
、入力端子２の先端２ａが差込式端子３の漏斗状の案内
部３ａ＋を押し広げた後、絶縁ケース５の上面５ｂに当
接するまで差し込めば良い。In order to connect the plug-in terminal 3 with such a configuration to the input terminal 2, insert the input terminal 2 from the opening hole 5a side of the insulating case 5 so that the tip 2a of the input terminal 2 is connected to the funnel-shaped plug-in terminal 3. After pushing out the guide portion 3a+, it is sufficient to insert it until it comes into contact with the upper surface 5b of the insulating case 5.
」二連の差込式端子３に於いて、接触開始点では入力端
子２の先端２ａか第４図に示す如（漏斗状の案内部３ａ
＋ と直線状の接触部３ａ２を結ぶ曲面３ａｓと接触し
、接触終止点では入力端子２の側面２ｈが第５図に示す
如く直線状の接触部３ａ！と接触する。一般に開［」部
３ａ全長りに占める有効接触長ＴＪ １ は、開口部３
ａ全長りの１／３程度に設定された漏斗状の案内部３ａ
＋ と、プレス加工技術」二の制限からＡ−造式端子３
の机厚以下とすることが不可能である曲面３ａｓ とに
より、１／２程度が限界であった。” In the two sets of plug-in terminals 3, the contact start point is either the tip 2a of the input terminal 2 or the funnel-shaped guide portion 3a as shown in FIG.
+ comes into contact with the curved surface 3as connecting the linear contact portion 3a2, and at the contact end point, the side surface 2h of the input terminal 2 contacts the linear contact portion 3a! as shown in FIG. come into contact with. In general, the effective contact length TJ 1 that occupies the entire length of the opening 3a is
a Funnel-shaped guide part 3a set to about 1/3 of the total length
+ and press processing technology” 2 restrictions A- type terminal 3
The limit was about 1/2 of the curved surface 3as, which is impossible to reduce the desk thickness below.
２・ その上、入力端子２と差込式端子３の接触箇所は
、円柱状と略三角形状の接触であるため第６図に示す如
（ｘ、ｙ、ｚの３箇所以上の接触とすることが不可能で
あった。2. Furthermore, since the contact points between the input terminal 2 and the plug-in terminal 3 are cylindrical and approximately triangular, as shown in Fig. That was impossible.
この様に接触面積の小さな部分に電動圧縮機１の大きな
起動電流や運転電流を通電すると、電流密度が大きく温
度上昇が高くなる欠点があった。When a large starting current or operating current of the electric compressor 1 is applied to a portion with a small contact area in this manner, there is a drawback that the current density is large and the temperature rise becomes high.
特に、電動圧縮機１の運転、停止時の振動、衝撃等によ
る差込式端子３の接触圧力の減少分を見込まず使用する
と、接触圧力の減少→接触抵抗の増加→温度」二昇の増
加→熱なまけ発生→接触Ｌ１−力の減少の繰り返しによ
って異常発熱から焼損に至る致、命的欠陥があった。In particular, if the electric compressor 1 is used without taking into account the decrease in contact pressure of the plug-in terminal 3 due to vibrations, shocks, etc. when it is running or stopped, the contact pressure will decrease → contact resistance will increase → temperature will increase. → Occurrence of heat sluggishness → Contact L1 - Due to repeated decreases in force, there was a fatal defect that resulted in abnormal heat generation and burnout.
これらの対策として、初期接触圧力を大きくする方法や
、銀めっきを施すなどによって接触信頼性を高める方法
が案出さ第１ていたが、荊者では挿入作業性が著しく低
下し、後者では高価になる欠点があった。As a countermeasure to these problems, the first methods devised were methods to increase the initial contact pressure and methods to improve contact reliability by applying silver plating. There was a drawback.
また、第７図の一点鎖線で示す如く入力端子２が傾斜等
して挿入された場合、略三角形状の開口部３ａの底面３
ｃが平担で入力端子２が移動しやすく移動側に当る一辺
が過大な応力を受けて永久変形し、最悪の場合には接触
不良を多発させる欠点があった。この対策は作業注意し
かな（管理上 ′数増加に伴う綜価上昇を招いていた。In addition, when the input terminal 2 is inserted at an angle as shown by the dashed line in FIG.
Since the input terminal 2 is flat, the input terminal 2 is easily moved, and one side facing the moving side receives excessive stress and is permanently deformed, resulting in frequent contact failures in the worst case. The only countermeasure for this is to be careful when working (for management purposes, this resulted in an increase in the total price due to an increase in the number of plants).
本発明の目的は、接触面積が大きく接触信頼性の高い差
込式端子をｈＩＪ単、かつ、安価に提供することにある
。An object of the present invention is to provide a plug-in terminal that has a large contact area and high contact reliability, and is inexpensive.
即ち、両端部をハ字状に折曲した略三角形状の開１１部
を有する差込式端子に於いて、入力端子の側面と接する
略三角形状の開口部底面中央部にＶ字形溝を設け、かつ
、このＶ字形溝の２つノ陵部に入力端子の側面を接触さ
せることにより上記欠点を除去せんとしたものである。That is, in a plug-in terminal having a substantially triangular opening 11 with both ends bent in a V-shape, a V-shaped groove is provided at the center of the bottom of the substantially triangular opening that contacts the side surface of the input terminal. , and by bringing the side surfaces of the input terminal into contact with the two ridges of this V-shaped groove, the above-mentioned drawbacks are attempted to be eliminated.
以下、本発明の一実施例を第８図〜第１１図により説明
する。図に於いて従来と同一符号は同一物を示す。従来
と異なる点は、差込式端子３の略三角形状の開１１部３
ａの底面３ｃ中央部に７字形溝３ａａを設け、かつ、こ
の７字形溝３ａｓ の２つの陵部３ａｉ、３ａｇに入力
端子２の側面２ｂを接触させたことである。An embodiment of the present invention will be described below with reference to FIGS. 8 to 11. In the figures, the same reference numerals as in the prior art indicate the same parts. The difference from the conventional one is the approximately triangular opening 11 3 of the plug-in terminal 3.
A 7-shaped groove 3aa is provided in the center of the bottom surface 3c of the 7-shaped groove 3as, and the side surface 2b of the input terminal 2 is brought into contact with the two ridges 3ai and 3ag of this 7-shaped groove 3as.
かかる構成の差込式端子３を入力端子２に結合するには
、絶縁ケース５の開口穴５ａ側から入力端子２を挿入し
、入力端子２の先端２ａが差込式端子３のナイフェツジ
部３ｄを押し広げた後、絶縁ケース５の」二面５ｂに当
接するまで差し込めば良い。To connect the plug-in terminal 3 having such a configuration to the input terminal 2, insert the input terminal 2 from the opening hole 5a side of the insulating case 5 so that the tip 2a of the input terminal 2 is connected to the knife portion 3d of the plug-in terminal 3. After pushing it out, insert it until it comes into contact with the second surface 5b of the insulating case 5.
上述の差込式端子３に於いて、入力端子２と差込式端子
３の接触箇所は、７字形溝３ ａ４の作用効果によって
第１１図に示す如（Ｘｌ、Ｘｔ 、Ｙ、Ｚの４＠所接触
となる。その結果、従来品と比較し接触面積が約１．３
倍と増加し、その分だけ電流密度が減少し温度上昇を低
くすることができる。In the above-mentioned plug-in terminal 3, the contact points between the input terminal 2 and the plug-in terminal 3 are as shown in FIG. As a result, the contact area is approximately 1.3 compared to conventional products.
The current density decreases by that amount, and the temperature rise can be lowered.
従って、接触圧力が多少低下しても安定した接触状態が
細長できるので接触信頼性を大幅に向上できる効果があ
る。Therefore, even if the contact pressure decreases to some extent, a stable contact state can be maintained and the contact reliability can be greatly improved.
また、差込式端子３と入力端子２が傾斜して挿入された
場合、７字形溝３ａｎの陵部３ａｓ、３ａ−の摩擦抵抗
による作用効果により入力端子２と差込式端子３の挿入
位置が常時補正され、入力端子２が略三角形状の開口部
３ａの底面３ｃを移動せず一辺が過大な応力を受けて永
久変形することがなく、接触不良を発生させることもな
い。In addition, when the plug-in terminal 3 and the input terminal 2 are inserted at an angle, the insertion position of the input terminal 2 and the plug-in terminal 3 is changed due to the effect of the frictional resistance of the ridges 3as and 3a- of the 7-shaped groove 3an. is constantly corrected, the input terminal 2 does not move on the bottom surface 3c of the substantially triangular opening 3a, one side is not permanently deformed due to excessive stress, and contact failure does not occur.
その結果長期に渡り接触信頼性の高い差込式端子３が得
られる特徴がある。As a result, a plug-in terminal 3 having high contact reliability over a long period of time can be obtained.
尚、本発明品と従来品の材質、板厚か同一条件で比較し
た温度上昇試験結果を示すと表１の通りである。Table 1 shows the results of a temperature rise test comparing the products of the present invention and the conventional products under the same conditions in terms of material and thickness.
表 １
〔発明の効果〕
本発明によれば、接触箇所を増加させることができるの
で接触信頼性が向上し、かつ、挿入作業性の改善により
安価な差込式端子を提供できる効果がある。Table 1 [Effects of the Invention] According to the present invention, contact reliability can be improved because the number of contact points can be increased, and an inexpensive plug-in terminal can be provided by improving insertion workability.
その」二、従来の基本構造を変えることなく得られるの
でその実用的効果に大なるものがある。Second, it can be obtained without changing the conventional basic structure, so it has great practical effects.
第１図は従来および本発明の差込式端子の取付構造を示
す分解斜視図、第２図は第１図の側断面図、第３図は従
来の差込式端子の拡大斜視図、第４図、第５図は第２図
の挿入状態を示す裏部説明断面図、第６図は第５図の接
触状態を示すＡ−Ａ断面図、第７図は第６図の不具合発
生時のＡ−Ａｈ面図、第８図は本発明の差込式端子の要
部拡大斜視図、第９図、第１０図は第８図の挿入状態を
示す要部説明図、第１１図は第１０図の接触状態を示す
Ｂ−Ｂ断面図である。
１・・・電動圧縮機、１ａ・・・外殻、２・・・入力端
子、２ｂ・・・側面、３・・・差込式端子、３ａ・・・
開口部、３ ａ ＊ ・”接触部、３ａｌ＝・Ｖ字状溝
、３ａｉ、３ａｓ・・・陵部、３ｃ・・・底面。
代理人弁理士 高 橋 明 夫
茅 １ 回
菓 ２ 回
０
茎 ３ 図
茅 ４ 図
５ム
ｆ ６ 図
ＹＩＴ 図FIG. 1 is an exploded perspective view showing the mounting structure of the conventional plug-in terminal and the present invention, FIG. 2 is a side sectional view of FIG. 1, and FIG. 3 is an enlarged perspective view of the conventional plug-in terminal. Figures 4 and 5 are explanatory cross-sectional views of the back side showing the inserted state in Figure 2, Figure 6 is a cross-sectional view taken along line A-A showing the contact state in Figure 5, and Figure 7 is when the problem in Figure 6 occurs. FIG. 8 is an enlarged perspective view of the main parts of the plug-in terminal of the present invention, FIGS. 9 and 10 are explanatory views of the main parts showing the insertion state of FIG. 8, and FIG. 10 is a sectional view taken along line BB showing the contact state in FIG. 10. FIG. DESCRIPTION OF SYMBOLS 1... Electric compressor, 1a... Outer shell, 2... Input terminal, 2b... Side surface, 3... Plug-in terminal, 3a...
Opening, 3a*・”Contact portion, 3al=・V-shaped groove, 3ai, 3as...crest, 3c...bottom.Representative Patent Attorney Akio Takahashi 1st time 2nd time 0 stem 3 Fig. 4 Fig. 5 Mf 6 Fig. YIT Fig.
Claims (1)
を形成し、この開口部（３ａ）の内面に設けた直線状の
接触部（３ａ、 ）と電動圧縮機（１）の外殻（１ａ）
に設けた円柱状の入力端子（２）の側面（２ｂ）を嵌合
接触させた差込式端子において、前記開口部（３ａ）の
底面（３ｃ）の中央部に７字形溝（３ａｓ）を設け、か
つ、このＶ字形溝（３ａ４）の２つの陵部（３ａ８．３
ａ・）と入力端子（２）の側面（２ｂ）を接触させたこ
とを特徴とする差込式端子。Bend both ends into a figure eight shape to create a roughly triangular opening (3a)
The linear contact portion (3a, ) provided on the inner surface of this opening (3a) and the outer shell (1a) of the electric compressor (1)
In a plug-in terminal in which the side surface (2b) of a cylindrical input terminal (2) provided in and two ridges (3a8.3) of this V-shaped groove (3a4).
A plug-in terminal characterized in that the side surface (2b) of the input terminal (2) is brought into contact with the side surface (2b) of the input terminal (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3850184A JPS60185379A (en) | 1984-03-02 | 1984-03-02 | Plug-in type terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3850184A JPS60185379A (en) | 1984-03-02 | 1984-03-02 | Plug-in type terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60185379A true JPS60185379A (en) | 1985-09-20 |
Family
ID=12527010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3850184A Pending JPS60185379A (en) | 1984-03-02 | 1984-03-02 | Plug-in type terminal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60185379A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007149442A (en) * | 2005-11-25 | 2007-06-14 | Hitachi Cable Ltd | Electric connection terminal |
-
1984
- 1984-03-02 JP JP3850184A patent/JPS60185379A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007149442A (en) * | 2005-11-25 | 2007-06-14 | Hitachi Cable Ltd | Electric connection terminal |
| JP4577194B2 (en) * | 2005-11-25 | 2010-11-10 | 日立電線株式会社 | Electrical connection terminal |
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