US Patent 12012263 Wine stopper

Provided is a wine stopper capable of being vacuumized, the wine stopper comprising a base capable of covering an outer side of a wine bottle, and a shell enclosing a cavity with the base. A boss capable of being clamped in a bottle opening is arranged on one side, away from the shell, of the base. The wine stopper further comprises a power source arranged in the cavity and a vacuum pump capable of creating a vacuum in the wine bottle, a through hole capable of communicating the vacuum pump with the interior of the bottle is provided in the boss, a measurement assembly capable of measuring a vacuum degree of the interior of the wine bottle is arranged in the cavity, and the measurement assembly is electrically connected with the vacuum pump.