JPH01177849U

JPH01177849U -

Info

Publication number: JPH01177849U
Application number: JP7478688U
Authority: JP
Priority date: 1988-06-07
Filing date: 1988-06-07
Publication date: 1989-12-19

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す過電流継電器
の動作説明図、第２図は他の実施例を示す動作説
明図、第３図はその他の実施例を示す動作説明図
、第４図は従来の過電流継電器の動作説明図、第
５図は可動ｂ接点板の斜視図である。１……バイメタル板、２……操作板、３……釈
放レバー、４……ケース、４ａ……ケース係止部
、４ｂ……ケース孔、７……可動ｂ接点板、９…
…基台、１０……固定ｂ接点片、１２……可動ａ
接点板、１３……固定ａ接点片、１５……絶縁片
、１５ａ……突起。 1 is an explanatory diagram of the operation of an overcurrent relay showing one embodiment of the present invention, FIG. 2 is an explanatory diagram of the operation of another embodiment, FIG. 3 is an explanatory diagram of the operation of another embodiment, and FIG. This figure is an explanatory diagram of the operation of a conventional overcurrent relay, and FIG. 5 is a perspective view of a movable b contact plate. DESCRIPTION OF SYMBOLS 1... Bimetal plate, 2... Operation board, 3... Release lever, 4... Case, 4a... Case locking part, 4b... Case hole, 7... Movable b contact plate, 9...
... Base, 10 ... Fixed b contact piece, 12 ... Movable a
Contact plate, 13...Fixed a contact piece, 15...Insulating piece, 15a...Protrusion.

Claims

[Scope of utility model registration request]

A bimetal plate that is heated and curved by an overcurrent flowing through the circuit, an operation plate that is pushed out by the curvature of the bimetal plate, and a release lever that is pushed at one end by the operation plate and rotates around the other end. , a movable b-contact plate that is pushed and reversed by the rotation of the release lever, and the b-contact at the tip of the movable b-contact plate is opened by the reversal of this movable b-contact plate, and is fixed to the movable b-contact plate by the reversal force. a through the insulating piece
In an overcurrent relay that closes a contact, the insulating piece is separated from the movable B contact plate, one end of which is pivoted so that it can rotate, one surface of the rotating end is in contact with the A contact, and the other surface is in contact with the A contact. and a movable b-contact plate that is brought into contact with a locking part for maintaining a gap between the b-contact and the movable b-contact plate only when the b-contact is closed.