Sampling device

The utility model relates to the technical field of water sampling, in particular to a sampling device which comprises a filter cup and a liquid extraction bottle, the bottom surface and the top surface of the filter cup are sealing plates, and a filter screen is arranged on the side surface of the filter cup; a liquid suction pipe is arranged on the top surface of the filter cup in a penetrating manner; the liquid suction pipe comprises a liquid suction pipe first part penetrating into the inner cavity of the filter cup and a liquid suction pipe second part distributed on the outer side of the filter cup; a liquid suction bottle connecting assembly is arranged on the second part of the liquid suction pipe; a connecting pipe protruding towards an inner cavity of the liquid pumping bottle is arranged on the bottom face of the liquid pumping bottle. A connecting groove is formed in the lower part of the connecting pipe; the filter cup is connected with the connecting groove through the liquid extraction bottle