JPS6099757U

JPS6099757U - switch

Info

Publication number: JPS6099757U
Application number: JP19306483U
Authority: JP
Inventors: 村田　士郎
Original assignee: 三菱電機株式会社
Priority date: 1983-12-14
Filing date: 1983-12-14
Publication date: 1985-07-08

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図ないし第３図は従来の回路しゃ断器のそれぞれ異
なった動作状態を示す断面図、第４図は従来の回路しゃ
断器において消弧板の背後にアークが発生している状態
を示す断面図、第５図はこの考案の実施例における消弧
室の斜視図、第６図ａ、ｂは突出片のない場合のアーク
の動きを説明する図、第７図ａ、　ｂは突出片を設けた
場合のアークの動きを説明する図である。４・・・固定接触子、７・・・可動接触子、１４・・・
消弧板、３０・・・最下方部の消弧板、３１・・・突出
片。なお、図中、同一符号は同一または相当部分を示す
。第２図第３図Figures 1 to 3 are cross-sectional views showing different operating states of a conventional circuit breaker, and Figure 4 is a cross-sectional view showing a conventional circuit breaker in which an arc is generated behind the arc-extinguishing plate. Figure 5 is a perspective view of the arc extinguishing chamber in the embodiment of this invention, Figures 6a and b are diagrams explaining the movement of the arc without the protruding piece, and Figures 7a and b are diagrams with the protruding piece. It is a figure explaining the movement of an arc when provided. 4... Fixed contact, 7... Movable contact, 14...
Arc-extinguishing plate, 30... Arc-extinguishing plate at the lowermost part, 31... Projecting piece. In addition, in the figures, the same reference numerals indicate the same or corresponding parts. Figure 2 Figure 3

Claims

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

容器内で開閉動作をする少なくとも一対の電気接触子と
、上記電気接触子の開極時に発生するアークを消弧する
ために上記容器内に配設された複数枚の消弧板とを有し
、上記消弧板のうち最下方部に配置された消弧板に、固
定接触子側に延出しかつ電流路に対して垂直方向の面を
有する突出片を設けたことを特徴とする開閉器。It has at least one pair of electrical contacts that open and close within the container, and a plurality of arc extinguishing plates disposed within the container to extinguish arcs generated when the electrical contacts open. , a switch characterized in that the arc-extinguishing plate disposed at the lowest part of the arc-extinguishing plates is provided with a protruding piece extending toward the fixed contact and having a surface perpendicular to the current path. .