Can improve electric snap action switch of durable reliability of machinery

The utility model discloses a can improve electric snap action switch of durable reliability of machinery, including moving spring subassembly and base, it includes moving contact, contact support, shell fragment and catch bar to move the spring subassembly, the catch bar is installed in the base through a reset spring, the moving contact dress is in contact support is last, the shell fragment is connected between catch bar and contact support, the shell fragment is omega type shape, and the top of this shell fragment is the kink, and the bottom includes the both wings piece, in the kink of shell fragment, be equipped with the outside convex first protruding portion of stretching respectively on the both sides of width to make the width size of the kink of shell fragment widen. The utility model discloses an improve spring sheet structure, can mainly concentrate the position easily produce cracked drawback by stress relieving to can improve electric snap action switch's the durable reliability of machinery. 本