Sampling device

The utility model relates to a sampling device, in particular to a sampling device which comprises a sampling bottle, a sealing cover and a stretching rod, the sealing cover is movably arranged above the sampling bottle, the stretching rod is arranged on the sealing cover, the stretching rod is composed of two sections of rod bodies, and the two sections of rod bodies are arranged on the sealing cover. The two sections of rod bodies push the sealing cover to move downwards in the rotating process in a threaded connection mode. According to the sampling device provided by the utility model, the sampling rod is arranged above the sampling bottle, the sampling bottle can conveniently extend into the reaction tank, the movable sealing cover is further arranged above the sampling bottle, the stretching rod is driven to rotate by rotating the handle after the sampling bottle completes sampling, so that the sealing cover is pushed to move downwards, the operation is simple, and a sample is well stored; meanwhile, a