Opening and closing type fire extinguishing device

The opening and closing type fire extinguishing device comprises an outer shell, an inner shell, a fire extinguishing agent, a cooling agent and a starting device. The shell comprises a shell side wall, a shell top and a bottom plate; a nozzle is formed in the side wall of the shell; the inner shell comprises an inner shell side wall, an inner shell top and a bottom opening; the inner shell is rotatably arranged in the outer shell, and when the inner shell does not rotate, the bottom opening is closed by the bottom plate, so that a third accommodating space is formed by the bottom plate, the side wall of the inner shell and the top of the inner shell; when the inner shell rotates, the bottom plate opens the bottom opening; the fire extinguishing agent and the coolant are arranged in the third containing space, and the starting device is connected with the fire extinguishing agent. The open-close type fire extinguishing device can be advantageously used for fire extinguishing treatment on special occasions suc