High-strength durable PVC water supply pipe

The utility model relates to the technical field of PVC water pipes, and discloses a high-strength durable PVC water supply pipe which comprises a fixing device, and the fixing device comprises a first water pipe, a second water pipe, a sealing ring, a fixing ring, a rotating shaft, a buckle, a limiting ring, a screw, a limiting plate, a bolt and a clamping block. When the high-strength durable PVC water supply pipe is used, the fixing ring is detachably mounted at the joint of the middle sections of the first water pipe and the second water pipe through the buckle and the limiting ring, so that the effect of fixing the joint according to the thickness of the water pipes is achieved, and the rotating shaft achieves the rotating effect of the buckle; the multiple limiting rings play a role in limiting and fixing according to the needed width, then the buckles are manually rotated to be buckled in the corresponding limiting rings after the fixing rings are adjusted, fixed connection of the first water pipe and