Explosion-proof buzzer

The utility model relates to the technical field of explosion-proof buzzers, in particular to an explosion-proof buzzer, which comprises an explosion-proof buzzer main body, an external thread is arranged on the outer surface of the explosion-proof buzzer main body, a rubber sealing sleeve is sleeved on the outer surface of the explosion-proof buzzer main body, two metal sheets are arranged on the lower end face of the explosion-proof buzzer main body, and the two metal sheets are connected with the explosion-proof buzzer main body. According to the utility model, the two telescopic bases are pulled downwards, so that an electric wire can be wound on the two telescopic bases, the two telescopic bases can fix the electric wire, and meanwhile, the rubber convex blocks at the two movable rotating plates can limit and fix the electric wire at the metal sheets; the rubber protective pad is arranged on the outer side of the explosion-proof buzzer, so that the stability during wiring is ensured, the wiring efficienc