Electronic lock with clutch

摘要

An electronic lock received in a casing, comprising a body 10, a driving unit 30 including a motor 31 and a circuit board having an induction circuit 33, where the motor is disposed in the body, a cam 32 is connected to a driving shaft 312 of the motor, an L-shaped link 34 is disposed beside and associated with the cam resulting in the link being moved up and down when the cam rotates; and a clutch unit activated by the movement of the link. The body may have fixing elements 111 112 to house the motor and there maybe a sensor 321, such as a Hall Sensor, connected to the cam such that a sensing portion 331 of the induction portion senses the position of the cam. Preferably the clutch comprises a rotatable part and two clutch elements, where the rotatable part has an insertion hole in which a spring and the first clutch element are received.