Air pressure window breaking hammer

The utility model relates to emergent escape equipment, in particular to a window breaking hammer used for breaking windows and the like in emergency. The utility model provides an air pressure window breaking hammer. The technical scheme is that the air pressure window breaking hammer comprises a shell and a window breaking cone, the improvement is that the air pressure window breaking hammer also comprises a gas cylinder, a gas outlet valve, a switch and a piston, wherein the gas bottle is arranged inside the shell, high pressure gas is charged in the gas cylinder, a gas outlet is formed in the gas cylinder, the gas outlet valve is arranged on the gas outlet and is connected with the switch, the piston is hermetically arranged inside the shell at the front end of the gas outlet valve, and the window breaking cone is connected with the piston. The air pressure window breaking hammer has the advantages that through release of the high pressure gas, the piston and the window breaking cone are driven to instantaneously generate strong pressure on the surface of glass, so that the glass is broken, the use method is simple and convenient, and the air pressure window breaking hammer can not only be used by strong people.