HDPE double-wall corrugated pipe with water leakage detection function

The utility model relates to the technical field of double-wall corrugated pipes, and discloses an HDPE double-wall corrugated pipe with a water leakage detection function, the HDPE double-wall corrugated pipe comprises a first double-wall corrugated pipe, one end of the first double-wall corrugated pipe is communicated with a second double-wall corrugated pipe, and the outer surface of the first double-wall corrugated pipe and the outer surface of the second double-wall corrugated pipe are in lap joint with an upper fixing sleeve and a lower fixing sleeve; a detection mechanism and a collection mechanism are arranged at the bottom of the lower fixing sleeve, the detection mechanism comprises a connecting block welded to the bottom of the lower fixing sleeve, a first connecting pipe is welded to the bottom of the connecting block, a first rubber block is slidably connected to the inner surface of the first connecting pipe, and a spring adheres to the bottom of the first rubber block. According to the HDPE dou