Refrigeration house door sealing structure

The utility model discloses a refrigeration house door sealing structure which comprises a strip-shaped plate and a rectangular box body, a first circular through hole is formed in the rectangular box body, a supporting frame is installed in the first circular through hole, a stepping motor is installed on the supporting frame, a circular groove corresponding to the first circular through hole is formed in the rectangular box body, and a second circular through hole is formed in the rectangular box body. A bearing is inserted in the circular groove, a supporting column inserted in the bearing is installed at the driving end of the stepping motor, the supporting column is sleeved with a first gear, a rack is installed on the strip-shaped plate, and strip-shaped through holes are formed in the left side wall face and the right side wall face of the rectangular box body. The rack penetrates through the rectangular box body through the strip-shaped through hole and is meshed with the first gear, and a first guide