Trigger assembly of sleeve type flame-proof device

The utility model relates to a sleeve type explosion-proof device trigger assembly, which is connected with a sliding sleeve of an explosion-proof device and comprises an axially sliding push rod, a front receiving plate fixedly connected at the front end of the push rod and a sleeve sleeved on the push rod, a rear receiving plate is fixedly connected on the sleeve, an insertion shaft is fixedly connected at the rear end of the push rod, and the insertion shaft is fixedly connected with the push rod. The front receiving plate and the rear receiving plate are used for receiving explosive shock waves, the front receiving plate drives the sliding sleeve to slide from front to back through the push rod to achieve triggering, the rear receiving plate drives the sliding sleeve to slide from front to back, and the front receiving plate is used for receiving the explosive shock waves. Under the condition that the push rod cannot work normally due to clamping and the like, the rear receiving plate can slide backwards