Portable fire extinguishing rod

The utility model relates to the technical field of fire fighting instruments, in particular to a portable fire extinguishing rod which comprises a cylindrical bottle body, a percussion gas production part connected to one end of the bottle body, a spraying part connected to the other end of the bottle body and a walking piston arranged in the bottle body. And the fire extinguishing material layer is filled in the bottle body and is positioned between the walking piston and the spraying component. The spraying component comprises a spraying base coaxially connected to the end of the bottle body and a spraying nozzle penetrating through the end of the bottle body, and a spraying hole penetrating through the spraying base is formed in the position, corresponding to the spraying nozzle, of the spraying base. A crushing cone is fixedly connected to the peripheral side wall of the spraying base, and a telescopic protection piece surrounding the crushing cone and shielding the crushing cone is arranged on the perip