Vacuum pump valve

A vacuum pump valve of a container having a receiving cavity subject to an interior pressure and an opening communicating with said receiving cavity, wherein said vacuum pump valve comprises:

• a valve body having a suction channel and comprising a sealing platform sealedly attached on said container at said opening thereof, wherein said sealing platform has at least a through ventilating groove formed thereon within said suction channel for communicating said receiving cavity of said container with an exterior thereof, so as to allow suction of air from said receiving cavity through pressure differential between said interior pressure and an atmosphere pressure;
• and
• a suction element, which is disposed within said valve body, comprising an enlarged sealing head movably sealing on said sealing platform to enclose said ventilating groove thereof, wherein said sealing head is moved between a releasing position and a sealing position, wherein at said releasing position, said sealing head is upwardly moved apart from said sealing platform for allow air in said receiving cavity to be withdrawn through said ventilating groove, and at said sealing position, said sealing head is downwardly moved to seal said ventilating groove on said sealing platform in condition that said atmosphere pressure is greater than said interior pressure, so as to retain said container in a vacuum manner.