JPS6347557U - - 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の側面図、第３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、６は筐体、１０は
消弧板、１２はボルト、１４はボルトである。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. , FIG. 2B is a side view of FIG. 2A, and FIG. 3 is a side view showing the main parts of a conventional circuit and disconnector. 1 is a movable element, 2 is a movable contact, 3 is a stator, 4 is a fixed contact, 5 is an arc runner, 6 is a housing, 10 is an arc extinguishing plate, 12 is a bolt, and 14 is a bolt. Note that the same reference numerals in each figure indicate the same or corresponding parts.

Claims (1)

【実用新案登録請求の範囲】 (1) 固着手段によつて筐体に固定された固定子
、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、 前記固着手段と干渉しない位置に設けられた螺
着手段により固定子に螺着されており、固定接点
と可動接点間に生じたアークを消弧手段へ導くた
めの磁性体アーク誘導部材、 を備えたことを特徴とする回路しや断器。 (2) 固定子は、アークの発弧方向にほぼ垂直に
折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返し内寸が形成されるよう
に折返されており、 固定接点は、固定子の折返し外面上に設けられ
ており、 アーク誘導部材は、固定子の折返し外面側から
螺入されたボルトによつて固定子の折返し内面に
固定されていること、 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。[Scope of Claim for Utility Model Registration] (1) A stator fixed to a housing by a fixing means, a fixed contact provided on the stator, a movable element driven by a tripping device, and a movable element on the movable element. a movable contact that is connected to and separated from the fixed contact by a movable element; and a movable contact that is screwed to the stator by a screwing means provided at a position that does not interfere with the fixing means, and that there is a gap between the fixed contact and the movable contact. A circuit breaker characterized by comprising: a magnetic arc guiding member for guiding a generated arc to an arc extinguishing means. (2) The stator is folded so that the folded outer surface is formed almost perpendicular to the arc firing direction, and the folded inner dimension is wider than the thickness of the arc guiding member. , the arc induction member is provided on the folded outer surface of the stator, and the arc induction member is fixed to the folded inner surface of the stator by a bolt screwed into the folded outer surface of the stator. A circuit breaker according to claim 1 of the patent registration claim.