Mounting bracket with precise butt joint structure

The utility model relates to the technical field of elevator accessories, in particular to a mounting support with an accurate butt joint structure, which comprises a wall connecting plate, an adjusting cavity is arranged on one side of the wall connecting plate, through holes communicated with the adjusting cavity are respectively arranged at the upper end and the lower end of the wall connecting plate, and bearings are arranged in the through holes. And a headless concave end screw is fixedly connected to the inner side of the bearing, an adjusting block is in threaded connection with the outer wall of the headless concave end screw, a supporting block is fixedly connected to one side of the adjusting block, and the supporting block is slidably connected to the outer wall of the wall connecting plate. According to the utility model, when the headless concave end screw is manually driven to rotate, the headless concave end screw rotates so that the adjusting block in threaded connection can be adjusted up an