Four-jaw positioning sealing ring

The utility model discloses a four-jaw positioning sealing ring. A framework is of an annular structure, and a plurality of first positioning bosses and a plurality of second positioning bosses are arranged on the two end faces of the annular structure respectively. The sealing body is vulcanized on the end face of the side, close to the first positioning boss, of the framework, the sealing body forms a circumferential main sealing lip and an end face sealing lip along the framework, and the end face sealing lip is located between the first positioning boss and the circumferential main sealinglip. According to the optimally-designed four-claw positioning sealing ring, the first positioning boss and the second positioning boss are arranged on the two sides of the framework respectively, mounting positions on the two sides are positioned during assembly, assembly is facilitated, deviation of the sealing ring during assembly is avoided, meanwhile, deviation of the sealing ring due to shaking is prevented during