US Patent 11339043 Wine fresh-keeping device

A wine fresh-keeping device may be shown and described. The wine fresh-keeping device includes: a housing, and an exchange port for exchanging items inside and outside the housing, and a sealing cover is provided at the exchange port, a containing chamber is formed inside the housing, a fresh-keeping gas storage tank, and one end of the fresh-keeping gas storage tank is matched with the exchange port, a wine bottle installation chamber, the wine bottle installation chamber is arranged in the containing chamber, and one end of the wine bottle installation chamber is matched with the exchange port, a wine taking device, the wine taking device is arranged in the housing and connected to the fresh-keeping gas storage tank, and a refrigeration device, the refrigeration device is arranged on the housing, and cools the wine installation chamber.