JPS59170357U

JPS59170357U - circuit break

Info

Publication number: JPS59170357U
Application number: JP6522183U
Authority: JP
Inventors: 伸示山県; 田丸　繁見; 洋藤井; 日出夫諏原; 久常　文之; 細貝　節夫; 清美山本
Original assignee: 三菱電機株式会社
Priority date: 1983-04-28
Filing date: 1983-04-28
Publication date: 1984-11-14

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

[Brief explanation of drawings]

第１図はこの考案の回路しゃ断器の第１の実施例を示す
正面図、第２図は同一部破断乎面図、第３図は狗分解斜
視図、第４図はこの考案の第２の実施例を示す斜視図、
第５図はこの考案の第３の実施例を示す斜視図、第６図
はこの考案の第４の実施例を示す斜視図、第７図ａｚｄ
はアーク排出口の変形例を示す断面図である。１・・・・・・カバー、２チ・・・・・ベース、２ａ、
２ｂ・・・・・・側壁、３ａ・・・・・・固定接点、４
ａ・・・・・・可動接点、１３ａ。１３ｂ・・・・・・アーク排出口、１００・・・・・・
しゃ断機構、Ａ・・・・・・筐体。なお、図中、同一符
号は同一または相当部分をす。９′ｄ３ムゴ第２図　− 第３図Fig. 1 is a front view showing the first embodiment of the circuit breaker of this invention, Fig. 2 is a partially cutaway view of the same, Fig. 3 is an exploded perspective view of the circuit breaker, and Fig. 4 is a second embodiment of the circuit breaker of this invention. A perspective view showing an example of
Fig. 5 is a perspective view showing the third embodiment of this invention, Fig. 6 is a perspective view showing the fourth embodiment of this invention, and Fig. 7 azd.
FIG. 3 is a sectional view showing a modification of the arc discharge port. 1...Cover, 2chi...Base, 2a,
2b...Side wall, 3a...Fixed contact, 4
a...Movable contact, 13a. 13b...Arc exhaust port, 100...
Shutoff mechanism, A... Housing. In addition, in the figures, the same reference numerals indicate the same or corresponding parts. 9'd3 Mugo Figure 2 - Figure 3

Claims

[Scope of utility model registration request]

(1) A circuit breaker 2 in which a breaker mechanism is housed in a housing is characterized in that an arc exhaust port is formed in the side wall of the casing, and the arc exhaust port is located near a contact point in the breaker mechanism. circuit breaker.

(2) The circuit breaker according to claim 1, which is a registered utility model, wherein an exhaust passage extending from the arc discharge port along the side wall of the casing is formed in the side wall.

(3) The circuit breaker according to claim 2, wherein the casing includes a cover and a base joined to the cover, and an exhaust passage is formed at the joint surface of the cover and the base. .

(4) The circuit breaker according to claim 2, wherein the exhaust passage is formed in either the cover or the base in the form of a tunnel.

(5) The circuit breaker according to claim 1, wherein an exhaust passage extending from the arc discharge port along the side wall of the casing is formed in an attachment attached to the side wall.

(6) A circuit breaker according to claim 2, 3, 4, or 5 of the utility model registration claim, in which the exhaust passage is opened on the side where the load side terminal is arranged.