The invention discloses a connector device capable of meeting two-way transmission requirement of a digital television. A metal sheet wraps a cylindrical copper rod, two ends of the cylindrical copper rod are arranged into two slightly-divided parts, the positions of a center of circle corresponding to the two parts are provided with grooves which are matched with TV signal wires, the grooves areclamping grooves, the metal sheet beyond the cylindrical copper rod is divided into three pieces and are arranged into a fusiform grabhook; or one metal sheet is rolled into a cylinder shape, two ends of the cylindrical metal sheet are arranged into grabhooks with a dumbbell shape with the thin middle part and two thick ends, and the thin part of the dumbbell shape is the clamping groove and is matched with the TV signal wire. The connector device can meet the two-way transmission requirement of the digital television, and has convenient, fast and firm connection, makes pictures clearer and more stable, and has no noise interference.