Patent ID: 6307459
Filing Date: 2001-10-23
Classification: H01H

Abstract:
A switch structure, comprising a switch body, a switch cover body, an elastic contact reed, a swing contact device, an alloy piece, an elastic contact piece, herein said switch body is installed with a convex pillar, and said switch cover body joints with said elastic contact reed and said swing contact device, and is installed with said alloy piece and said elastic contact piece, which are constructed and assembled in said switch body, wherein said swing contact device has a head part and an end part, said head part comprising a slot hole to joint with said convex pillar in the switch body to swing, said swing contact device further having a through hole to connect to said switch cover body by a supporting rod;said alloy piece is installed with an integrally formed actuating part having a convex part, said actuating part and said alloy piece forming an appropriate angle;said alloy piece being overheated and bent towards said swing contact device under overload current, wile said actuating part ejects in opposite direction so that the end part falls down without supporting of the convex part of the actuating part, the head part moves upwards and the end part downwards, the elastic contact reed is not pressed by the swing contact device and smoothly ejects upwards, and meanwhile, two contact terminals which construct an electric loop become separated to cut off a power source.