Civil air defense door frame mounting rack

The utility model relates to the technical field of civil air defense doors, in particular to a civil air defense door frame mounting rack which comprises a frame body and an adjusting device, a support is arranged on the lower surface of the frame body, a threaded rod is in threaded connection with the surface of the support, and the adjusting device is arranged on one side of the support and comprises a sliding plate which is in sliding connection with the support. A sliding hole is formed in the side, close to the square block, of the support, the square block is slidably connected with the sliding hole in the surface of the support, a first groove is formed in the surface of the square block, a movable rod is slidably connected to the inner wall of the first groove in the surface of the square block, a pull block is fixedly connected to the surface of the movable rod, and an insertion rod is fixedly connected to one side of the pull block; according to the utility model, through the arrangement of the adj