Lightweight tubular beam assembly member

The utility model discloses a light-weight tubular beam assembly component which comprises a beam tube assembly, the beam tube assembly comprises a first beam tube support, a beam tube main tube, a second beam tube support, an installation support and a beam tube supporting rod, and the first beam tube support and the second beam tube support are integrally formed with the beam tube main tube through insert injection molding. The installation support is fixedly connected to the middle of the beam pipe main pipe, and the beam pipe supporting rod is fixedly connected with the second beam pipe support. The first beam pipe support and the second beam pipe support are both formed in the mode of plastic framework insert injection molding and partial steel matching injection molding, and an instrument board upper body, an instrument board lower body, an air conditioner box body, a multimedia display screen, an instrument board wire harness and the like can be installed on the first beam pipe support and the second b