Modified vapour vehicle air conditioner compressor piston structure

The utility model discloses a modified vapour vehicle air conditioner compressor piston structure, including piston body and connecting rod, the interior end face centre of this piston body is concave to be equipped with the throat, concave two annular grooves that are equipped with of lateral surface of piston body, and two annular grooves are arranged along the axial interval of piston body, all inlay in each annular groove and are equipped with a piston ring, this connecting rod includes body of rod portion and two bulb portions, and two bulb portions and the body of rod integrated into one piece of portion are connected, and one of them bulb portion rotationally imbeds in the throat. The interior end face centre at the piston body is equipped with the throat through being concave to the bulb portion and the throat cooperation installation of cooperation connecting rod make the overall structure design of piston more reasonable, and be provided with two piston rings on the lateral surfaces of piston body,