Overpressure protection bottle cap

Overpressure protection bottle cap (CN2255411Y)

A bottle cap, in particular an overpressure protection cap for beer bottles or Other pressurized bottle containers. Includes a lid top, a lid edge, and a seal in the lid. In order to prevent explosion accidents when the internal pressure of the bottle container exceeds its withstand capacity, a pressure relief hole is provided on the top of the bottle, and a pressure relief plate with a lower compressive strength than the bottle body is sandwiched between the inside of the cover top and the gasket. . The technical scheme has the advantages of simple manufacture, easy promotion and the like.