Extraction mechanism and beverage dispenser

The embodiment of the utility model relates to the technical field of beverage dispensers, and particularly discloses an extraction mechanism and a beverage dispenser, the extraction mechanism comprises a rack, a liquid outlet assembly, a puncturing assembly, an ejection assembly, a liquid injection assembly, a clamping structure and a driving assembly, the rack is provided with a containing cavity, a first opening, a second opening and a third opening, the first opening, the second opening and the third opening are all communicated with the containing cavity, the second opening and the third opening are oppositely arranged, the liquid outlet assembly is arranged at the first opening, the puncturing assembly is arranged on the liquid outlet assembly and provided with a first through hole, the ejection assembly comprises an ejection column and a first elastic piece, and the first elastic piece is arranged on the liquid outlet assembly. The top column is connected with the first elastic piece, the liquid inject