JPS6347562U

JPS6347562U -

Info

Publication number: JPS6347562U
Application number: JP14191586U
Authority: JP
Priority date: 1986-09-16
Filing date: 1986-09-16
Publication date: 1988-03-31

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図は第１図の回路
しや断器に用いた消弧板とアークランナの位置関
係を示すための平面図、第３図Ａは第１図の回路
しや断器に用いたアークランナの詳細を示す平面
図、第３図Ｂは第３図Ａの側面図、第４図Ａは他
の実施例におけるアークランナの詳細を示す平面
図、第４図Ｂは第４図Ａの側面図、第５図はさら
に他の実施例におけるアークランナの詳細を示す
平面図、第６図は従来の回路しや断器の要部を示
す側面図、第７図は第６図の回路しや断器に用い
られている消弧板の詳細を示す図である。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、５ｂは突出部、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. 2 shows the positional relationship between the arc extinguishing plate and arc runner used in the circuit breaker of Fig. 1. 3A is a plan view showing details of the arc runner used in the circuit breakers in FIG. 1, FIG. 3B is a side view of FIG. 3A, and FIG. FIG. 4B is a side view of FIG. 4A, FIG. 5 is a plan view showing details of the arc runner in another embodiment, and FIG. 6 is a conventional circuit. FIG. 7 is a side view showing the main parts of the circuit breaker, and FIG. 7 is a diagram showing details of the arc-extinguishing plate used in the circuit breaker of FIG. 1 is a mover, 2 is a movable contact, 3 is a stator, 4 is a fixed contact, 5 is an arc runner, 5b is a protrusion, 1
0 is an arc extinguishing plate. Note that the same reference numerals in each figure indicate the same or corresponding parts.

Claims

【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、アーク導入のための切欠きを有する消弧板、一端が固定子に固定されており、アーク走行面
の中央部に、接点側から消弧板の切欠き内端の直
下の手前まで突出部が設けられたアーク誘導部材
、を備えたことを特徴とする回路しや断器。 (2) アーク誘導部材は、固定子の折り返し外面
にロウ付けされたものであり、アーク誘導部材の突出部の上面は、固定接点の
接触面より低く形成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。 (3) 固定子は、アークの発弧方向にほぼ垂直に
折り返し外面が形成されるように、かつアーク誘
導部材の厚みより広い折り返し内寸が形成される
ように折り返されており、アーク誘導部材は、固定子の折り返し外面側か
ら螺入されたボルトによつて固定子の折り返し内
面に固定されており、アーク誘導部材の突出部の上面は、固定接点の
接触面より高く形成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。 (4) アーク誘導部材のアーク走行面のうち、突
出部を除いた部分は絶縁物で覆われていること、を特徴とする実用新案登録請求の範囲第１項ない
し３項のいずれか一つに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 movable contact that comes into contact with and separates from the fixed contact, an arc extinguishing plate with a notch for introducing the arc, one end of which is fixed to the stator, and the inner edge of the arc extinguishing plate from the contact side to the center of the arc running surface. A circuit breaker characterized by comprising: an arc guiding member having a protruding portion up to just below and in front of the circuit breaker. (2) The arc induction member is brazed to the folded outer surface of the stator, and the upper surface of the protrusion of the arc induction member is formed lower than the contact surface of the fixed contact. A circuit breaker according to claim 1 of the utility model registration claim. (3) The stator is folded so that the outer surface is folded almost perpendicular to the arc firing direction, and the inner folded dimension is wider than the thickness of the arc guiding member. is fixed to the folded inner surface of the stator by bolts screwed from the folded outer surface of the stator, and the upper surface of the protruding part of the arc induction member is formed higher than the contact surface of the fixed contact. A circuit breaker or circuit breaker according to claim 1 of the utility model registration claim, characterized in that: (4) Any one of claims 1 to 3 for registering a utility model, characterized in that the arc traveling surface of the arc guiding member, excluding the protruding portion, is covered with an insulating material. Circuit breakers and disconnectors as described in .