W type compressor does not have oily structure

The utility model belongs to the technical field of the compressor, especially relate to a W type compressor does not have oily structure. Including fuselage and one -level cylinder, secondary air cylinder and the three level four cylinders be connected through middle joint chair and fuselage respectively, the one end of the piston rod of one -level cylinder, secondary air cylinder and three levelfour cylinders with the fuselage is connected, the other end of the piston rod of one -level cylinder, secondary air cylinder and three level four cylinders passes middle joint chair respectively andcorresponds the hinge joint in the cylinder, one side that middle joint chair is close to the fuselage is equipped with the oil wiper. The beneficial effects of the utility model are that: in the middle of setting up through the junction at cylinders at different levels and fuselage the joint chair effectual prevented the lubricating oil in the fuselage splash get into the compresser cylinder inside, avoid lubricating oil