Novel explosion-proof safety switch

The utility model discloses a novel explosion-proof safety switch, which comprises a shell, a key assembly, an electromagnetic valve assembly and a machine core are sequentially arranged in the shell from front to back, and the key assembly comprises a rotating shaft pressing rod capable of moving back and forth, a copper sleeve sleeved on the rotating shaft pressing rod and a key perpendicular to the moving direction of the rotating shaft pressing rod. The electromagnetic valve assembly comprises an electromagnet, a movable iron core and a push-pull rod fixedly connected with the movable iron core, the machine core comprises a machine core push rod capable of moving front and back, and a rotary button is further installed on the shell. The rear end of the push-pull rod is connected with the front end of the machine core push rod through a plastic connecting sleeve, the rear end of the rotating shaft pressing rod is further sleeved with a sealing sleeve sealing the outer side wall of the rear end of the coppe