Triggering device of elevator speed governor

The utility model discloses a trigger device of an elevator speed governor, which belongs to the field of elevator accessories and comprises an extension portion integrally formed with a shifting fork, a connecting rod mechanism hinged onto a frame body and used for contacting with the extension portion to push the shifting fork and trigger a pawl, and an electromagnet fixedly mounted on the framebody and used for driving the connecting rod mechanism. The connecting rod mechanism comprises a power rod and a trigger rod; a rotating shaft used for hinging the power rod to the frame body is arranged in the middle of the power rod; one end of the trigger rod is arranged on the rotating shaft in a sleeving mode, the other end of the trigger rod is fixedly connected with one end of the power rod through a connecting column, and the other end of the power rod is located at the output end of the electromagnet. The trigger device of the elevator speed governor is simple in structure, can effectively trigger the pawl,