Communicating pipe for circulating water pool

The utility model relates to the technical field of petrochemical engineering, and discloses a communicating pipe for a circulating water pool, which comprises a metal hose body, a flange body and a flange hole, the flange hole is arranged on the surface of the flange body in a penetrating manner, the communicating pipe further comprises a fixing ring fixed on the metal hose body, and a compression spring is fixed on one side of the fixing ring; the ring body is arranged on one side of the fixing ring, and a rubber ring is adhered to the surface of the ring body; the pull rod is bolted on one side of the ring body; the ring body is far away from the flange hole by pulling the grip and the pull rod, the ring body is positioned by the positioning component so as to mount a bolt or a nut on the flange hole, the positioning of the ring body is relieved after mounting, the ring body is close to the nut or the bolt due to the reaction force of the compression spring, and the rubber ring is tightly attached to the s