Cable joint assembly with firm contact

The utility model relates to a firm-contact cable joint assembly, which belongs to the technical field of cable fixing joints and comprises a substrate for mounting a connecting plug and a wire harness, the front end and the rear end of the substrate are respectively provided with a first welding position and a second welding position, the connecting plug is fixedly mounted at the front end of the first welding position, and the second welding position is fixedly mounted at the rear end of the second welding position. The front end of the wire harness is welded to the first welding position and the second welding position respectively, the wire harness is connected with the connecting plug, a notch is formed in the middle of the second welding position and penetrates through the substrate, the wire harness is clamped into the notch, the wire harness is fixed through the two welding positions, namely the first welding position and the second welding position, and therefore the wire harness is firmly connected