Modified atomizing machine piston cylinder structure

Disclosed is an improved piston cylinder structure of a sprayer, which comprises a cylinder body in which a piston chamber is arranged. A piston pillar is arranged in the piston chamber; at least a water inlet seat and a water drainage seat are arranged on the cylinder body; a water inlet chamber and a water drainage chamber are formed respectively in the water inlet seat and the water drainage seat; and a water inlet and water drainage port that are communicated with the water inlet chamber and the water drainage chamber are formed respectively on the water inlet seat and the water drainage seat; a check valve is arranged respectively between the water inlet chamber, the water drainage chamber and the piston chamber. Wherein, a top pressing rod is arranged on the water inlet seat; one end of the top pressing rod extends into the water inlet seat and is correspond to the valve plate of the check valve; the other end of the top pressing rod extends out of the water inlet seat. The utility model can clean and e