The pump cover relates to the design and manufacture of the pump cover of the power steering vane pump, especially the pump cover of the steering pump in the power steering system of the marine casting. The existing domestic and foreign steering pump covers are made of cast iron or steel parts, with light weight and high cost. The utility model provides a pump cover with light weight and low cost. The pump cover is curved, and the radial section of the curved surface is M-shaped. The pump cover has reasonable curved surface design, light weight, uniform wall thickness, stamping forming, simple processing technology and low cost, and can be widely used in various steering pumps.

The pump cover is placed on the upper end of the reservoir of the brake pump or clutch pump. There is a rubber gasket on the pump cover to prevent the brake fluid from leaking and moisture from entering. The pump cover may be made of plastic or metal. The shape is round, square or rectangular, and it is positioned by threads, bolts or hoops.