Sealing structure of cylinder head gasket gear chamber hole

The utility model discloses a cylinder cover gasket gear chamber hole sealing structure which comprises a gasket body, the gasket body is composed of a plurality of layers of metal plates, a gear chamber hole is formed in the right side of the gasket body, a gear chamber hole sealing rubber ring is arranged in the gear chamber hole for sealing, and the gear chamber hole sealing rubber ring is integrally formed by rubber and a metal framework. The gasket body is connected with a metal framework, and the gear chamber hole sealing rubber ring gasket is characterized in that the gasket body and the gear chamber hole sealing rubber ring are of a split structure; the limiting pieces are attached to the surface of the metal framework, the metal framework and the limiting pieces are assembled together, the limiting pieces are multi-layer and located on the two sides of the metal framework, rubber is prevented from being over-compressed, on the basis that reliable sealing is guaranteed, the gasket cost is reduced, and