Water sampling tube

The utility model discloses a water sample sampling tube, which comprises a drawing sampling tube body, a placing device is arranged on the drawing sampling tube body, the placing device comprises connecting rods and placing frames, the connecting rods and the placing frames are symmetrically distributed on the outer side of the drawing sampling tube body left and right, and each placing frame comprises a hollow tube, a compression spring, a connecting assembly and a placing assembly. The hollow pipe is arranged on the outer side of the drawing sampling pipe body in a sleeving manner, the connecting assembly comprises a first connecting ring, a first connecting rod and a second connecting ring, the first connecting rod is mounted between the first connecting ring and the second connecting ring, a fixing block is arranged on the inner surface of the first connecting ring, and the second connecting ring is connected with the hollow pipe; the first connecting ring is fixed by one hand, the bottom plate is moved