Automatic sampling device for mine pit gushing water

The utility model relates to the technical field of sampling devices, and discloses an automatic mine pit gushing water sampling device which comprises a machine body, an annular baffle is fixedly arranged on the inner wall of the machine body, two threaded holes are formed in the annular baffle, threaded plugs in spiral connection are arranged in the threaded holes, a connecting rope is fixedly arranged below the threaded plugs, and the connecting rope is connected with the annular baffle. A rubber ball is fixedly arranged below the connecting rope, an annular brush is fixedly arranged on the surface of the side face of the rubber ball, and when the rubber ball floats and falls down and the threaded plug is pulled out, the annular brush can clean dirt on the inner wall of the machine body. According to the utility model, the sampling barrel and the water inlet are separately arranged by mounting the annular baffle plate and the filtering opening, so that the aim of filtering soil and large-particle impuritie