High-temperature-resistant efficient heat dissipation silicone rubber sealing ring

The utility model discloses a high-temperature-resistant efficient heat dissipation silicone rubber sealing ring, and aims to solve the problems of low heat dissipation efficiency and short service life of an existing sealing ring in a high-temperature environment. According to the technical scheme, the sealing ring is characterized by comprising a sealing ring body, the sealing ring body comprises an outer ring, an inner ring and a heat dissipation ring, the heat dissipation ring is arranged on the inner side of the outer ring, and the inner ring is arranged on the inner side of the heat dissipation ring; a wear-resistant layer is arranged on the outer ring, and a reinforcing piece is arranged in the outer ring; a heat-resistant layer is arranged on the surface of the inner ring; heat dissipation holes are formed in the heat dissipation ring, an annular heat dissipation cavity is formed in the heat dissipation ring, and the annular heat dissipation cavity is communicated with the heat dissipation holes. The