Connecting structure of concrete filled steel tubular column, reinforced concrete column and concrete beam

The invention provides a connecting structure for a concrete-filled steel tubular column, a reinforced concrete column and a concrete beam, and belongs to the technical field of building structures. The structure comprises a steel pipe, a reinforced concrete column and a concrete beam in the steel pipe concrete column, the steel pipe, the reinforced concrete column and the concrete beam are connected in a crossed mode, an expanded end is arranged above the reinforced concrete column, a connecting end is arranged below the steel pipe and inserted into the expanded end, and a cross-shaped steel rib reinforcing section is arranged below the connecting end. The cross-shaped steel rib reinforcing section extends into the reinforced concrete column, the concrete beam is connected with the side face of the expanded end, a steel corbel is arranged in the connecting position of the concrete beam and the expanded end, one end of the steel corbel is connected with the steel pipe, and a plurality of reinforcing hoops are