JPS6320346U - - 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を示す概要図、第
２図は従来装置を示す縦断側面図、第３図はオン
状態を示す第２図の要部拡大図、第４図はオフ状
態を示す第３図と同じ図、第５図はトリツプ状態
を示す第３図と同じ図、第６図は反発状態を示す
第３図と同じ図、第７図は接点反発開離前の状態
を示す概要図である。 図において、２は固定導体、３は固定接点、４
は自動引きはずし装置、６は可動接点、７は可動
子、７ａは可撓導体接続側、７Ａは延長部、８は
可撓導体、１０はコンタクトアーム、１０ｂは第
２のコンタクトアーム、１１Ａはピンである。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 schematic diagram showing an embodiment of this invention, Fig. 2 is a longitudinal side view showing a conventional device, Fig. 3 is an enlarged view of the main part of Fig. 2 showing the on state, and Fig. 4 is the off state. Figure 5 is the same diagram as Figure 3 showing the trip state, Figure 6 is the same diagram as Figure 3 showing the repulsion state, and Figure 7 is the state before the contact repulsion opens. FIG. In the figure, 2 is a fixed conductor, 3 is a fixed contact, and 4 is a fixed conductor.
is an automatic tripping device, 6 is a movable contact, 7 is a mover, 7a is a flexible conductor connection side, 7A is an extension part, 8 is a flexible conductor, 10 is a contact arm, 10b is a second contact arm, 11A is It's a pin. 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】[Scope of utility model registration request] 自動引きはずし装置によるしや断動作とは無関
係に、大電流通電による電磁反発力により可動子
を離反させて限流を行なうようにした回路しや断
器であつて、前記可動子の可動接点と接離する固
定接点を有する固定導体と、前記可動子を保持す
るコンタクトアームと、このコンタクトアームに
前記可動子を回転可能に枢着するピンと、前記可
動子に接続される可撓導体とを有する回路しや断
器において、前記可動子の可撓導体接続側に前記
固定導体の方向に曲げて延長して形成される延長
部を設けると共に、前記ピンを前記可動接点より
も前記延長部側に位置させたことを特徴とする回
路しや断器。 The circuit breaker is designed to perform current limiting by separating the movable element by electromagnetic repulsion due to the application of a large current, regardless of the breaker operation by an automatic tripping device, and the movable contact of the movable element a fixed conductor having a fixed contact that comes into contact with and separates from the movable element; a contact arm that holds the movable element; a pin that rotatably pivots the movable element to the contact arm; and a flexible conductor that is connected to the movable element. In the circuit breaker and disconnector, an extension part formed by bending and extending in the direction of the fixed conductor is provided on the flexible conductor connection side of the movable element, and the pin is arranged closer to the extension part than the movable contact. A circuit breaker characterized by being located at.