CONNECTING STRUCTURE OF CAMSHAFT AND OUTPUT-GEAR IN AIR CIRCUIT BREAKER

摘要

A connecting structure of camshaft and output-gear in air circuit breaker is provided to supplement and to nullify the vulnerability of strength due to the repeated usage of the protrusion prepared in the camshaft connection part. The connecting structure of camshaft(30) and output gear(110) in air circuit breaker includes the groove(31) formed in approximately V type according to the longitudinal direction. The camshaft compresses the closing spring of the air circuit breaker by the rotation. The output gear is connected to camshaft through the camshaft connection part(120) and delivers the rotation power of the driving motor delivered through the deceleration gear assembly. The camshaft connection part includes a camshaft insertion hole(121), A recess(122) and a camshaft turning force delivery pin(130). The camshaft is inserted into the camshaft insertion hole. The recess is formed in the one side of the camshaft insertion hole. The camshaft turning force delivery pin gears with the groove of camshaft.