Sealing gasket

The utility model provides a sealing gasket. The sealing gasket comprises an elastic piece and an annular gasket body capable of deforming. The annular gasket body comprises an annular top wall, an annular bottom wall and a peripheral wall. The annular top wall and the annular bottom wall are oppositely arranged up and down, the peripheral wall is connected between the outer edge of the annular top wall and the outer edge of the annular bottom wall, and an annular cavity capable of containing the elastic piece is defined by the annular top wall, the annular bottom wall and the peripheral walltogether. At least part of the outer edge of the elastic piece abuts against the peripheral wall, so that the annular gasket body deforms in the radial direction under the extrusion effect of the elastic piece so as to be attached to a component to be sealed in a sealed mode. The sealing gasket provided by the utility model can improve the sealing effect. 本实用新型提供一种密封垫片，包括弹性件以及可发生形变的环形垫片主体；所述环形垫片主体包括环形顶壁、环形底壁以及周壁，所述环形顶壁和所述