▎ 摘　　要

NOVELTY - The utility model model claims a loose-proof corrosion-resistant screw hole sealing ring, comprising a screw hole sealing ring main body, the periphery of the inner wall of the screw hole sealing ring main body is provided with a groove, two sides of the inner wall of the groove are fixedly connected with a reset spring, the inner end of the reset spring is fixedly connected with a movable plate. The utility model model is provided with a groove, a reset spring, a moving plate, a semicircular clamping plate, a corrosion resistant layer, an epoxy glass flake plaster coating layer, graphene nano coating layer, a sliding groove, the sliding block and the non-slip mat are matched with each other, the screw hole sealing ring is used for a long time, the screw hole sealing ring can effectively improve the anti-loosening performance of the screw hole sealing ring, the sealing effect of the screw hole sealing ring is improved, at the same time, the screw hole sealing ring is used for a long time, The invention can effectively improve the corrosion resistance of the screw hole sealing ring, prevent the screw hole sealing ring from corrosion and damage, and prolong the service life of the screw hole sealing ring.