JPS59113946U - switch - Google Patents

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〜第３図は従来の回路しゃ断器を示す正面断面図
、第４図は消弧板の斜視図、第５図は側板の斜視図、第
６図はこの考案の実施例である回路しゃ断器の要部を示
す平面断面図、第７図は第６図におけるＡ−Ａでの正面
断面図である。 ３・・・・・・容器、３ａ・・・・・・側壁、６・・・
・・・固定接点、９・・・・・・可動接点、１４・・・
・・・消弧板、１４Ｃ・・・・・・貫通孔、３０・・・
・・・排気口、３２・・・・・・アーク。なお、図中同
一符号は同一または相当部分を示す。 第６図 １５ ム０　　　　、。Figures 1 to 3 are front sectional views showing a conventional circuit breaker, Figure 4 is a perspective view of the arc extinguishing plate, Figure 5 is a perspective view of the side plate, and Figure 6 is an embodiment of this invention. FIG. 7 is a plan sectional view showing essential parts of the circuit breaker, and FIG. 7 is a front sectional view taken along line A-A in FIG. 3...Container, 3a...Side wall, 6...
...Fixed contact, 9...Movable contact, 14...
...Arc-extinguishing plate, 14C...Through hole, 30...
...exhaust port, 32...arc. Note that the same reference numerals in the figures indicate the same or corresponding parts. Figure 6 15 Mu0.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 少くとも一対の固定接点および可動接点と、こ□　　れ
ら接点間に発生するアークを消弧するための磁性体から
なる複数の消弧板と、上記各接点と消弧板とを収納する
容器とを備え、上記固定接点を上記容器の下部に配設す
るとともに、上記容器の側壁にアークによる熱風を放散
する排気口を形成した開閉器において、上記複数の消弧
板のうち上記排気口よりも固定接点側に位置する消弧板
に複数の貫通孔を設け、かつこの貫通孔を設けた消弧板
の排気口側端部を上記側壁に当接させたことを特徴とす
る開閉器。At least one pair of fixed contacts and a movable contact, a plurality of arc extinguishing plates made of magnetic material for extinguishing the arc generated between these contacts, and a container for storing each of the above contacts and the arc extinguishing plates. In the switch, the fixed contact is disposed at the lower part of the container, and an exhaust port is formed in the side wall of the container to dissipate hot air caused by the arc, and one of the plurality of arc extinguishing plates is connected to the switch from the exhaust port to the other. A switch characterized in that an arc extinguishing plate located on the fixed contact side is provided with a plurality of through holes, and an end of the arc extinguishing plate provided with the through holes on the exhaust port side is brought into contact with the side wall.