CHECK VALVE AND SCROLL COMPRESSOR

原文（中国語）

A check valve and a scroll compressor are provided. The check valve includes a valve plate, a washer, a valve stem, and a valve stopper. The valve stem is fixedly arranged between the valve plate and the valve stop, and the valve plate is provided with a valve hole for fluid to flow through. Annular outer, middle and inner stopper edges are provided on a bottom surface of the valve stopper from the edge to the center. A reverse flow hole is provided between the outer and middle stopper edges, and a ventilation port is provided on the middle stopper edge. The ventilation port is configured to connect a gap between the outer and middle stopper edges with the gap between the middle and inner stopper edges if the washer is in contact with the outer, middle and inner stopper edges.