Virus sampling tube with high sealing performance

The utility model discloses a high leakproofness virus sampling tube, including sampling tube and sealing structure, the sealing structure is installed on the sampling tube, the sealing structure includes the sealing shell, the upper surface of the sealing shell is provided with the rotation hole, the inner wall of the rotation hole is rotatingly connected with the rotation tube, and the rotation tube is rotatably connected with the sampling tube. And the inner wall of the rotating pipe is in threaded connection with a sealing threaded rod, the bottom end of the sealing threaded rod is rotationally connected with a sealing cover, and the top end of the sealing threaded rod is fixedly connected with a sealing knob. By rotating the sealing knob, the sealing knob drives the sealing threaded rod to rotate, and the sealing threaded rod drives the sealing cover to move downwards along the inner wall of the sealing pipe, so that the upper surface of the sampling pipe is sealed, and the sealing knob stops rotating wh