Single-opening sliding plug and locking mechanism and sliding plug door applying same

The utility model discloses a single opening sliding plug and locking mechanism and a sliding plug door applying the same, which comprise a rack, a lead screw assembly, a transverse and longitudinal translation assembly, a connecting rod and a door carrying frame, the rack comprises a connecting plate, a left longitudinal rail seat, a right longitudinal rail seat and a sliding plug slideway, and the left longitudinal rail seat and the right longitudinal rail seat are respectively fixed on two sides of the same plane of the connecting plate; the plug-pull slideway is fixed on the connecting plate close to the bottom; the lead screw assembly is installed between the left longitudinal rail base and the right longitudinal rail base. The transverse and longitudinal translation assembly is installed between the left longitudinal rail base and the right longitudinal rail base and located on one side of the lead screw assembly. One end of the connecting rod is rotationally connected with the lead screw assembly, and