Gasket assembly screws

The utility model provides a gasket assembly screws, includes outer gasket, inner washer and elasticity jump ring, its characterized in that: the vertical setting of outer gasket equidistantly on outer gasket's outer wall is provided with a plurality of tooth or personally experiences sth. Part of the body in many ways, has offered the step hole on outer gasket's right -hand member face, and the left end in step hole is first hole, and the right -hand member in step hole is the second hole, and the diameter in first hole is lighter than the diameter in second hole, has offered the outer snap spring groove on the inner wall in second hole, be provided with the ratchet on outer gasket's left end face, be located the corresponding position in outer snap spring groove, seted up the inner snapspring groove on inner washer's outer wall, inner washer installs at the second downtheholely, the elasticity jump ring is installed at outer snap spring groove and inner snap spring inslot, inner washer and outer gasket pass