Pipeline connecting device for building construction

The utility model relates to a pipeline connecting device for building construction in the field of pipeline connecting devices, which is characterized in that a clamping block is arranged inside a pipe body, a clamping groove for placing a pipeline is arranged on the surface of the clamping block, a sealing ring is arranged on the inner wall of the clamping groove, and two fixing semi-rings for fixing the pipe body and the pipeline are arranged on the periphery of the pipe body. The two fixing semi-rings are connected through a bolt, a fixing rod used for fixing the two fixing semi-rings is arranged on the surface of the pipe body, a groove used for containing the two fixing semi-rings is formed between the fixing rod and the pipe body, and an opening used for allowing the two fixing semi-rings to penetrate through is formed in the side face of the fixing rod. A clamping block is arranged in the pipe body, a clamping groove used for containing a pipeline is formed in the surface of the clamping block, a seal