JPH0425145U

JPH0425145U -

Info

Publication number: JPH0425145U
Application number: JP6648290U
Authority: JP
Priority date: 1990-06-22
Filing date: 1990-06-22
Publication date: 1992-02-28

Description

[Brief explanation of drawings]

第１図はこの考案の一実施例を示す要部の縦断
側面図、第２図は第１図の線−の断面図、第
３図は第１図の線−からみた図、第４図は第
１図と可撓性絶縁バリヤの斜視図、第５図は従来
のものを示す要部の縦断側面図、第６図は第５図
の線−の断面図、第７図は第５図の線−
からみた図、第８図は第５図の可撓性絶縁バリヤ
の斜視図、第９図は第５図の消弧室の斜視図であ
る。図において、１は筐体、２は固定子、３は固定
接点、４は端子ねじ、５は接続導体、６は可動子
、７は可動接点、８は消弧室、９は排気バリヤ、
１０は両側溝、１１Ａは可撓性絶縁バリヤ、１１
１は固定バリヤ部両端部である。なお、各図中同
一符号は同一または相当部分を示す。 Fig. 1 is a longitudinal sectional side view of the main parts showing an embodiment of this invention, Fig. 2 is a sectional view along the line - of Fig. 1, Fig. 3 is a view taken from the line - of Fig. 1, and Fig. 4. 1 is a perspective view of the flexible insulating barrier, FIG. 5 is a vertical sectional side view of the main part showing the conventional one, FIG. 6 is a sectional view taken along the line - of FIG. 5, and FIG. Figure line -
8 is a perspective view of the flexible insulating barrier of FIG. 5, and FIG. 9 is a perspective view of the arcing chamber of FIG. 5. In the figure, 1 is a housing, 2 is a stator, 3 is a fixed contact, 4 is a terminal screw, 5 is a connecting conductor, 6 is a movable element, 7 is a movable contact, 8 is an arc extinguishing chamber, 9 is an exhaust barrier,
10 is a groove on both sides, 11A is a flexible insulation barrier, 11
1 are both ends of the fixed barrier part. Note that the same reference numerals in each figure indicate the same or corresponding parts.

Claims

[Claims for Utility Model Registration] A stator fixed to a casing, a movable element that opens and closes with respect to the stator, an arc extinguishing chamber formed within the casing, and a movable element connected to the stator. a terminal, an exhaust barrier provided in the housing so as to isolate the terminal and the arc extinguishing chamber and having an exhaust hole for discharging high temperature and high pressure gas in the arc extinguishing chamber; and an exhaust barrier provided on the outer surface of the exhaust barrier. a flexible insulating barrier consisting of a movable barrier part along the side and covering the exhaust hole and a fixed barrier part supporting the movable barrier part; and grooves on both sides provided in the casing; In the circuit breaker, the stator side end of the fixed barrier part is folded back to the inner surface of the exhaust barrier, and both ends of the fixed barrier part are inserted and held in the grooves on both sides together with the exhaust barrier, 1. A circuit breaker comprising: arc extinguishing chamber insertion barrier portions formed by folding back in a direction surrounding the arc extinguishing chamber from a side surface, at both ends of the stator side end of the electrically insulating barrier.