Fire extinguisher easy to fold and unfold

The utility model relates to the technical field of fire-fighting equipment, and discloses a fire extinguisher easy to fold and unfold, which comprises a mounting seat and a fire extinguisher body, sleeves are embedded in two sides in the mounting seat, pistons are movably mounted in the sleeves, inner rods are fixedly mounted at the bottoms of the pistons, and bases are fixedly mounted at the bottoms of the inner rods; a one-way valve is fixedly mounted at the top of the sleeve, penetrates through the top of the mounting seat and then is arranged on the outer side, a penetrating hole is formed in the circle center of the piston and communicates with the inner rods, a three-way pipe is fixedly mounted at the bottoms of the two inner rods, and a manual valve is fixedly mounted at the bottom of the three-way pipe and located below the base. According to the technical scheme, the fire extinguisher can be taken out from top to bottom, compared with a traditional extraction and disassembly mode, the fire extinguis