Sampling device for fermentation liquor

The utility model discloses a fermentation liquor sampling device which comprises a pipe body, a sealing ring arranged on the lower surface of the pipe body, a valve arranged on the surface of the pipe body, a positioning ring arranged on the upper surface of the pipe body, a positioning clamping groove formed in the surface of the positioning ring and matched with one end of a fixing clamping rod, and a fixing device arranged on the surface of the positioning ring. An adjusting device is arranged on the surface of the fixing device, an extracting device is arranged in the adjusting device and comprises an extracting pipe installed in the adjusting pipe, an extracting pull rod is arranged on the surface of the upper portion of the extracting pipe, an extracting sealing plate is fixedly arranged on the lower portion of the extracting pipe, and the extracting sealing plate is matched with the inner wall of the adjusting pipe. The purposes of improving the sampling efficiency and accuracy and ensuring the minimu