Connecting structure facilitating rapid splicing of steel structure house for building industry

The utility model discloses a connecting structure facilitating rapid splicing of a steel structure house in the building industry, belongs to the technical field of steel structure house splicing, and solves the problem that an existing steel structure installation method wastes time and labor. The first steel member and the second steel member are connected through the connecting piece, the through groove is formed in the middle of the connecting piece, the cavities are formed in the two sides of the connecting piece, the rotating rods are arranged in the cavities, the rotating rods are provided with at least two first bevel gears, the first bevel gears are connected with the second bevel gears in a meshed mode, and the side holes are formed in the side walls between the cavities and the through groove. A screw and a clamping block are arranged in the side hole, a threaded sleeve is arranged in the clamping block, the screw is connected with the threaded sleeve, the second bevel gear is connected with the s