Protective door heaven and earth shaft

• Main Authors: CHENG SHIYUAN, LI PENG, CHEN PAN
• Format: Patent
• Language: Chinese; English
• Published: 26.05.2023
• Subjects: FIXED CONSTRUCTIONS; HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS; KEYS; LOCKS; SAFES; WINDOW OR DOOR FITTINGS

The utility model discloses a protective door heaven and earth shaft which comprises a door frame, the top and the bottom of the door frame are respectively connected with a door body in a rotating mode through a connecting assembly, and the connecting assembly comprises a shaft base connected with the side wall of the door frame, a base plate connected with the side wall of the door body and a shaft structure arranged between the shaft base and the base plate. The shaft bases are welded to the upper side wall and the lower side wall of the door frame respectively, then the base plates are welded to the upper side wall and the lower side wall of the door body respectively, the movable holes and the threaded connection holes are coaxially aligned, the threaded rods are screwed into the threaded connection holes through a wrench, the movable rods are inserted into the movable holes, and the threaded rods located on the upper portion are screwed into the threaded holes from bottom to top. The upper threaded rod