Mounting structure for building in-wall power distribution cabinet

The utility model belongs to the technical field of building construction, and particularly relates to a mounting structure for a building in-wall power distribution cabinet, which comprises a box body, a thread bushing and a housing, a box door is arranged on the front surface of the box body, a shielding layer is arranged on the side wall of an inner cavity of the box body, an armor layer is arranged on the inner side wall of the shielding layer, and a waterproof layer is arranged on the inner side wall of the armor layer; the threaded sleeves are arranged on the two sides of the top of the box body, threaded rods are arranged in inner cavities of the threaded sleeves, top pressing plates are arranged at the tops of the threaded rods, and the bottoms of the threaded rods extend into the inner cavity of the box body and are provided with locking rotary knobs; the cover shell is arranged at the bottom of an inner cavity of the box body, a grating cover plate is arranged at the top of the cover shell, and a mo