Sampling device

The utility model discloses a sampling device, which comprises a sampling barrel, a sampling tube, a sampling tube, a sampling tube, a sampling tube, a sampling tube and a sampling tube body, and the sampling tube body is provided with a sampling chamber with an opening at the top end; the outer sleeve fitting comprises a sleeve and a sealing column, the top end of the sleeve is provided with a sleeve handle, the bottom end of the sleeve is connected with the sealing column, the sealing column can be inserted into the sampling chamber from the opening and block the opening, and the sleeve and the sealing column are provided with pipelines in the axial direction of the sleeve; the center rod is movably inserted into the pipeline in a penetrating manner, a center rod handle is arranged at the top end of the center rod, and the bottom end of the center rod can penetrate through the pipeline to extend into the sampling chamber and is detachably mounted in the sampling chamber. When the sampling device disclosed b