Over pressure safety dynamic and static sealed directional discharge valve

The utility model relates to an over pressure safety dynamic and static sealed directional air deflating valve, which is composed of an air deflating valve, a restoring spring, a top rod, an elastic shim, a silica gel valve seat body and a valve core. The utility model is characterized in that the silica gel valve seat body is provided with a bayonet and is arranged on a sealed container through the bayonet, the valve seat body is provided with a sealed upper mouth and a sealed lower mouth, and air discharging holes are arranged between the sealed upper mouth and the sealed lower mouth; the sealed upper mouth of the silica gel valve seat body is provided with an air deflating button assembly which is composed of the air deflating button, the restoring spring, the top rod and the elastic shim. The sealed lower mouth of the silica gel valve seat body is assembled with the valve core which is packaged with an air outlet hole of the valve core which blocks a working table of an air valve and an air overpressure step.