Collecting tube

The utility model belongs to the technical field of collecting tubes, and particularly relates to a collecting tube which comprises a tube body, a tube cap is in threaded connection with the top of the tube body, a turning cover is movably arranged on the surface of the top of the tube cap, a breaking opening is formed in the top of the cavity wall of the tube body and is of a U-shaped structure, and a fixing seat is integrally formed on the inner wall of the tube body. An inner arc-shaped limiting seat is integrally formed on the surface of the fixing seat and located on the symmetrical face of the breaking opening, the opening angle of the inner arc-shaped limiting seat faces downwards, a protrusion used for opening the turning cover is integrally formed at the end of the surface of the turning cover, the protrusion and the turning cover are integrally formed, and an outer edge is integrally formed on the surface of the pipe body. By changing the structure of the collection tube, the tube body and the tube