Adjustable steel structure connecting piece for building construction

The utility model relates to the technical field of building engineering, in particular to an adjustable steel structure connecting piece for building construction, which comprises a plurality of mounting plates, assembling rods and connecting seats. The utility model has the advantages that every two mounting plates form a group, the mounting plates are U-shaped, one side is long, the other side is short, the assembling rods are arranged between the mounting plates in each group, the mounting plates, the assembling rods and the mounting plates form a U shape, the distance between the mounting plates in each group is adjustable, the connecting seats are rotatably connected outside the assembling rods, and the connecting seats are locked and positioned through the nuts. The two mounting plates, one assembling rod and one connecting seat form a connecting component, during use, a steel beam is fixedly mounted between one group of mounting plates, the connecting seats on each group of connecting components are s