JPH0485551U - - Google Patents

Info

Publication number
JPH0485551U
JPH0485551U JP12832790U JP12832790U JPH0485551U JP H0485551 U JPH0485551 U JP H0485551U JP 12832790 U JP12832790 U JP 12832790U JP 12832790 U JP12832790 U JP 12832790U JP H0485551 U JPH0485551 U JP H0485551U
Authority
JP
Japan
Prior art keywords
exhaust
valve
plate
small
exhaust hole
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.)
Granted
Application number
JP12832790U
Other languages
English (en)
Other versions
JPH0754911Y2 (ja
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP12832790U priority Critical patent/JPH0754911Y2/ja
Publication of JPH0485551U publication Critical patent/JPH0485551U/ja
Application granted granted Critical
Publication of JPH0754911Y2 publication Critical patent/JPH0754911Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/342—Venting arrangements for arc chutes
    • H01H2009/343—Venting arrangements for arc chutes with variable venting aperture function of arc chute internal pressure, e.g. resilient flap-valve or check-valve

Landscapes

  • Breakers (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Description

【図面の簡単な説明】
第１図……本件考案の第１の実施例の分解図、
第２図、第３図……同上 組み立て断面図、第４
図、第５図、第６図……第１の実施例の変形例、
第７図……本件考案の第２の実施例の分解図、第
８図、第９図……同上 組み立て断面図、第１０
図……従来例の分解図、第１１図……同上 組み
立て断面図。 １……基台、２……カバー、５，６……接点、
７……排気孔、１１，１２……基台溝、１００，
１１０，１２０，１３０，１４０……排気弁、１
０１，１１１，１２１，１３１，１４１……固定
部、１０２，１１２，１２２，１３２，１４２…
…弾性弁部、１０３，１１３，１２３，１３３，
１４３……排気小孔、１０４，１２４，１４４…
…遮蔽壁、２００，２１０，２２０，２３０，２
４０……排気板、２０１，２１１，２２１，２３
１，２４１……排気小孔、２１２，２３２……遮
蔽壁。

Claims (1)

  1. 【実用新案登録請求の範囲】 基台とカバーからなる器体内部に接点及び接点
    開閉機構を有し、 接点開閉により発生するアークガスを器体外部
    に排出する排気孔を有する回路遮断器等において
    、 前記排気孔には、器体内部側に排気小孔Ａを有
    する排気板と、 器体外部側に固定部と弾性弁部より成り、固定
    部または弾性弁部に排気小孔Ｂを有する排気弁を
    前記排気板から隙間を介して配し、 前記排気板と排気弁の隙間に生じる空間の排気
    小孔ＡとＢの直線通路を遮蔽し、且つ迂回通路を
    残す遮蔽壁を、排気板もしくは排気弁に一体的に
    形成し、 固定部と排気板を器体に固定したことを特徴と
    する回路遮断器 等の防塵排気構造。
JP12832790U 1990-11-29 1990-11-29 回路遮断器等の防塵排気構造 Expired - Fee Related JPH0754911Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12832790U JPH0754911Y2 (ja) 1990-11-29 1990-11-29 回路遮断器等の防塵排気構造

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12832790U JPH0754911Y2 (ja) 1990-11-29 1990-11-29 回路遮断器等の防塵排気構造

Publications (2)

Publication Number Publication Date
JPH0485551U true JPH0485551U (ja) 1992-07-24
JPH0754911Y2 JPH0754911Y2 (ja) 1995-12-18

Family

ID=31875793

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12832790U Expired - Fee Related JPH0754911Y2 (ja) 1990-11-29 1990-11-29 回路遮断器等の防塵排気構造

Country Status (1)

Country Link
JP (1) JPH0754911Y2 (ja)

Also Published As

Publication number Publication date
JPH0754911Y2 (ja) 1995-12-18

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees