JPS59118235U

JPS59118235U - Fixed contact for breaker

Info

Publication number: JPS59118235U
Application number: JP1230583U
Authority: JP
Inventors: 牛島　清; 新井　正一; 中山　積
Original assignee: 日新電機株式会社
Priority date: 1983-01-31
Filing date: 1983-01-31
Publication date: 1984-08-09

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

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

第１図は従来の固定接触子を用いたしゃ断器の一例を示
す要部断面図、第２図は接触子片集合体の一例を示す断
面図、第３図は従来の固定接触子において電磁力により
接触子片が倒れ込んだ状態を示す断面図、第４図は本考
案の固定接触子を用いたしゃ断器の一例を示した断面図
、第５図は第４図の固定接触子部分の拡大断面図、第６
図Ａは固定接触子カバーの上面図、第６図Ｂは同カバー
の内鍔部付近の縦断面図、第７図Ａ及びＢはそれぞれ第
４図のしゃ断器の閉路時及び開路時における接触子片と
固定接触子カバーとの間の位置関係を示す説明図、第８
図は固定接触子カバーの他の例を示す上面図である。１・・・・・・容器、４・・・・・・可動接触子、６・
・曲面定接触子、７・・・・・・固定接触子カバー、７
０１・・・・・・内鍔部、７０２・・・・・・第２のス
トッパ係合部、８・・・・・・接触子片集合体、８ａ〜
８ｈ・・・・・・接触子片、８０２・・・・・・接点部
、８０４・・・・・・第１のストッパ係合部、９・・・
・・・支持用バネ、１０・・・・・・接圧バネ。Figure 1 is a cross-sectional view of the main parts of an example of a breaker using a conventional fixed contact, Figure 2 is a cross-sectional view of an example of a contact piece assembly, and Figure 3 is a cross-sectional view of an example of a breaker using a conventional fixed contact. 4 is a cross-sectional view showing an example of a breaker using the fixed contact of the present invention, and FIG. 5 is a cross-sectional view of the fixed contact portion of FIG. Enlarged sectional view, No. 6
Figure A is a top view of the fixed contactor cover, Figure 6B is a vertical cross-sectional view of the vicinity of the inner flange of the same cover, and Figures 7A and B are the contact of the breaker shown in Figure 4 when the circuit is closed and opened, respectively. Explanatory diagram showing the positional relationship between the child piece and the fixed contact piece cover, No. 8
The figure is a top view showing another example of the fixed contact cover. 1...Container, 4...Movable contact, 6.
・Curved surface constant contact, 7...Fixed contact cover, 7
01...Inner flange portion, 702...Second stopper engaging portion, 8...Contact piece assembly, 8a~
8h... Contact piece, 802... Contact portion, 804... First stopper engaging portion, 9...
...Support spring, 10...Contact pressure spring.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

（１）環状に配列された複数の接触子片からなる接触子
片集合体と、前記接触子片集合体の外周に嵌合されて前
記各接触子片を径方向とするしゃ断器る／、＜ネと、前
記接触子片集合体を外側から囲むように設けられた固定
接触子カバーとを備えてなるしゃ断器用固定接触子にお
いて、前記゛　　各接触子片の外側の部分に第１のスト
ッパ係合部が設けられ、前記固定接触子カバーには前記
各接触子片の前記第１のストッパ係合部と係合して前記
各接触子片の内側への変位を規制する第２のストッパ保
合部が設けられていることを特徴とするしゃ断器用固定
接触子。(1) a contact piece assembly consisting of a plurality of contact pieces arranged in an annular shape, and a breaker fitted to the outer periphery of the contact piece assembly so that each of the contact pieces forms a radial direction; In the fixed contact for a circuit breaker, the fixed contact includes a fixed contact cover provided to surround the contact piece assembly from the outside; An engaging portion is provided on the fixed contact cover, and a second stopper that engages with the first stopper engaging portion of each contact piece to restrict inward displacement of each contact piece. A fixed contact for a circuit breaker, characterized by being provided with a retaining part.

（２）前記固定接触子カバーは前記接触子片集合体の先
端部外周に所定のギャップを介して対向する内鍔部を有
し、前記第２のストッパ係合部は前記内鍔部の内周に形
成された突起からなっている実用新案登録請求の範囲第
１項に記載のしゃ断器用固定接触子。(2) The fixed contact cover has an inner flange that faces the outer periphery of the tip of the contact piece assembly with a predetermined gap therebetween, and the second stopper engagement part is located inside the inner flange. A fixed contact for a circuit breaker according to claim 1, which comprises a protrusion formed on the periphery.

（３）前記固定接触子カバーは前記内鍔部の内周にちり
落し部を有している実用新案登録請求の範囲第２項に記
載のしゃ断器用固定接触子。(3) The fixed contact for a circuit breaker according to claim 2, wherein the fixed contact cover has a dust-off part on the inner periphery of the inner flange.