Sampling device for chemical detection

The utility model discloses a sampling device for chemical detection, which belongs to the technical field of sampling equipment and comprises a base for mounting a sampling device, a storage structure for holding chemical detection test tubes is mounted at the top end of the base, and an L-shaped mounting frame is mounted at the top end of the base. A liquid pump for assisting sampling is mounted at the transverse top end of the mounting frame, a lead screw is mounted between the transverse bottom end of the mounting frame and the base, the side face of the lead screw is in threaded connection with an adjusting plate for adjusting the height, a driving motor for providing adjusting power for the lead screw is mounted at the transverse top end of the mounting frame, and a limiting rod is welded to the bottom end of the adjusting plate; the side face of the limiting rod is connected with a sampling pipe through a hoop, the end, away from the limiting rod, of the sampling pipe communicates with a water pumping