Water-cooling connector with built-in pipeline

The utility model relates to a water-cooling connector with a built-in pipeline, which comprises a first connecting part, a second connecting part and a third connecting part, and is characterized in that the first connecting part comprises a first connecting seat and two first copper bars, and the two first copper bars are arranged in the first connecting seat in a penetrating manner; the second connecting part comprises a water inlet pipe, a water outlet pipe, a water cooling wire harness, a second connecting seat and two second copper bars, and the two second copper bars are arranged in the second connecting seat in a penetrating mode; a heat dissipation block is arranged between the two second copper bars, a liquid inlet channel and a liquid outlet channel are formed in the heat dissipation block, one end of the liquid inlet channel and one end of the liquid outlet channel are connected with a water inlet pipe and a water outlet pipe respectively, and the other end of the liquid inlet channel and the othe