▎ 摘　　要

NOVELTY - The utility model claims a high temperature resistant insulating silica gel foam, comprising a foam core, the foam core is a cylindrical structure, and the central axis direction of the foam core is provided with a sleeve ring hole, the inner part of the foam core is provided with a hollow embedding cavity whose section is annular, and the hollow embedding cavity is rotatably provided with a movable ring layer, the moving coil layer is a cylindrical structure, the hollow embedding cavity divides the foam core into an inner layer structure and an outer layer structure. The high temperature resistant heat insulation silica gel foam, foam core is mainly composed of an inner layer structure, a movable ring layer, a heat insulation patch and an outer layer structure, under the performance of the silica gel foam itself, the silica gel foam has good heat-removing and heat-insulating effect, the heat-insulating patch is integrally formed by graphene patch and an aluminium alloy plate, so that the radiating heat insulation effect is better, so as to avoid large amount of heat rush to the silica gel foam main body to cause deformation, making it have excellent high temperature resistance, prolonging the service life, providing a good heat-removing environment for the mechanical component.