Sampling device

The utility model provides a sampling device. The sampling device is used for sampling sediments, the sampling device comprises: a sample storage assembly, which comprises a housing and a sample storage cylinder arranged in the housing, and the sample storage cylinder is internally provided with a rotating rod; the sampling assembly is connected with the sample storage assembly and comprises a drill bit structure connected with the lower end of the shell; the sample cutting structure is arranged on the rotating rod in a sleeving mode and located at the lower end of the sample storage barrel, the sample cutting structure comprises a cutter, the cutter has an unfolded sample cutting state and an overlapped avoiding state, the rotating rod rotates to drive the cutter to be switched between the sample cutting state and the avoiding state, and the cutter can block the lower end of the sample storage barrel when cutting samples in the sample cutting state. According to the technical scheme, the problem that in the