JPS6347559U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案の一実施例としての回路しや
断器の要部を示す側面図、第２図Ａは第１図の回
路しや断器に用いたアークランナ付近の詳細を示
す平面図、第２図Ｂは第２図Ａの側断面図、第３
図Ａは他の実施例におけるアークランナ付近の詳
細を示す平面図、第３図Ｂは第３図Ａの側断面図
、第４図は従来の回路しや断器の要部を示す側面
図である。 １は可動子、２は可動接点、３は固定子、４は
固定接点、５はアークランナ、８は絶縁部材、１
０は消弧板である。なお、各図中同一符号は同一
又は相当部分を示す。 Fig. 1 is a side view showing the main parts of a circuit breaker as an embodiment of this invention, and Fig. 2A is a plan view showing details of the vicinity of the arc runner used in the circuit breaker of Fig. 1. , Figure 2B is a side sectional view of Figure 2A, Figure 3
Figure A is a plan view showing details around the arc runner in another embodiment, Figure 3B is a side sectional view of Figure 3A, and Figure 4 is a side view showing the main parts of a conventional circuit breaker. be. 1 is a mover, 2 is a movable contact, 3 is a stator, 4 is a fixed contact, 5 is an arc runner, 8 is an insulating member, 1
0 is an arc extinguishing plate. Note that the same reference numerals in each figure indicate the same or equivalent parts.

Claims (1)

【実用新案登録請求の範囲】 (1) 固定子、 固定子上に設けられた固定接点、 引き外し装置によつて駆動させられる可動子、 可動子上に設けられており、可動子によつて固
定接点と離接する可動接点、 固定子に固定されたアーク誘導部材、 固定接点からアーク消弧手段へ向かう方向に設
けられた絶縁部材、 を備えたことを特徴とする回路しや断器。 (2) 絶縁部材は、固定子上に一端が固定された
アーク誘導部材と固定接点との間に設けられてい
ること、 を特徴とする実用新案登録請求の範囲第１項記載
の回路しや断器。 (3) 絶縁部材は、固定子の先端部に固定された
ものであること、 を特徴とする実用新案登録請求の範囲第１項記載
の回路しや断器。[Scope of Claim for Utility Model Registration] (1) A stator, a fixed contact provided on the stator, a movable element driven by a tripping device, and a movable element provided on the movable element and driven by the movable element. A circuit breaker characterized by comprising: a movable contact that comes into contact with and separates from a fixed contact; an arc induction member fixed to a stator; and an insulating member provided in a direction from the fixed contact toward an arc extinguishing means. (2) The circuit module according to claim 1 of the utility model registration claim, characterized in that the insulating member is provided between the arc induction member whose one end is fixed on the stator and the fixed contact. Disconnector. (3) The circuit breaker according to claim 1 of the utility model registration, characterized in that the insulating member is fixed to the tip of the stator.