JPS60107556U

JPS60107556U - Arc extinguishing device for hardwire circuit breakers

Info

Publication number: JPS60107556U
Application number: JP20204483U
Authority: JP
Inventors: 孝信田中
Original assignee: 松下電工株式会社
Priority date: 1983-12-23
Filing date: 1983-12-23
Publication date: 1985-07-22
Also published as: JPH0142926Y2

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 the drawing]

第１図は本考案−実施例の平面図、第２図は同上の右側
面図、第３図は同上の上蓋の除いた状態の破断平面図、
第４図は同上の縦断面図、第５図及び第６図は同上の横
断面図、第７図は同上のオン状態を示す縦断面図、第８
図は同上のオフ状態を示す縦断面図、第９図及び第１０
図は同上のトリラグ状態を示す縦断面図、第１１図及び
第１２図は同上の分解斜視図、第１３図は同上の動作機
構図であって、１は筐体、１０は端子金具、１９は連結
枠、２０は固定接点、２１は固定端子板、２２はアーク
走行板、１２２はグリッドブロック、１２３はグリッド
、１４１は遮蔽壁を示す。 υ″？°？１″Ｆ１　　　（−１−Ｊ　　　Ｉ暑Ｊ２１．島　　　　１↓鵡第５図Ｊｌ、Ｉ　　７、−１７７７１．６ｐｐ　、３７−ｒ耐第１２図 °”〜ベク′Fig. 1 is a plan view of the present invention-embodiment, Fig. 2 is a right side view of the same, Fig. 3 is a cutaway plan view of the same with the top cover removed,
FIG. 4 is a longitudinal cross-sectional view of the same as above, FIG. 5 and FIG. 6 are cross-sectional views of the same as above, FIG.
The figure is a vertical cross-sectional view showing the same off state as above, Figures 9 and 10.
11 and 12 are exploded perspective views of the same, and FIG. 13 is an operating mechanism diagram of the same, in which 1 is a housing, 10 is a terminal fitting, 19 20 is a connecting frame, 20 is a fixed contact, 21 is a fixed terminal plate, 22 is an arc traveling plate, 122 is a grid block, 123 is a grid, and 141 is a shielding wall. υ″?°?1″F 1 (-1-J I Heat J21. Island 1↓Parrot Fig. 5 Jl, I 7, -17771.6pp, 37-r Resistance Fig. 12 °”~Bek'

Claims

[Scope of utility model registration request]

A pair of arc traveling plates extending from the arc generating part is arranged inside the arc extinguishing chamber in the casing, and an arc extinguishing grid is arranged between both arc running plates, and the bottom of the casing is placed on the exhaust side of the arc extinguishing grid. A shielding wall that is integral with the casing that stands upright is positioned, and a vertical groove serving as an exhaust passage formed in this shielding wall is arranged on the exhaust side of the arc extinguishing grid, and a fixed contact is located at the arcing part. A connecting frame connecting the terminal board and the connection terminal board is arranged around the shielding wall, and an insulating stand is in contact with the edge of the arc extinguishing chamber of the casing and the shielding wall, as well as the back of the fixed contact and the back of one of the arc running plates. An arc extinguishing device for a molded circuit breaker consisting of an insulating stand holding and fixing a connecting frame.