Winding reinforcement piston accumulator

The utility model discloses a piston type energy accumulator manufacturing technology which overcomes the existing defects of the same kinds of products whose thickness of the body case makes the whole weight of accumulator products heavier. The utility model comprises a cylindrical shell and covers at both ends of the shell, wherein the centre of one end of cover is provided with an aerated port, while the centre of the other end of cover is provided with a liquid inlet or outlet port. The internal cavity of the cylindrical shell is provided with a piston that is matched with the inner wall. The cylindrical shell is made of thin walled aluminum alloy materials and the outer surface of the shell is covered with a carbon fiber winding layer. The outside surface of the circumference of the piston is provided with a plurality of sockets which are inserted with the sealing ring. The aluminum alloy shell of the utility model just plays a role of finalizing the outline design and being taken as the skeleton of the