Compressor pump body structure and compressor

The utility model discloses a compressor pump body structure belongs to the compressor field, and it is equipped with the cylinder jacket between last flange and lower flange, be equipped with the cylinder in the cylinder jacket, and it is provided with the piston to slide in the cylinder, forms the long -pending chamber of a varactor between cylinder jacket, cylinder and the piston, wear to be equipped with the pivot on the piston, the axle center of pivot and the axle center eccentric settings of cylinder and eccentric apart from fixed, the pivot drives the piston and the cylinder rotates, and the piston pivoted slides in the cylinder simultaneously to change the volume in the long -pending chamber of varactor. The utility model discloses a setting up and forming the long -pending chamber of a varactor between cylinder jacket and cylinder jacket, cylinder and the piston, replaced the structure of piston bush, no longer have the problem that the passageway was leaked to circumference, fundamentally has reduc