A sampling device for water quality testing

The utility model discloses a sampling device for water quality testing, including the flexible pipeline section of first flexible pipeline section, second, primary filter device, the pump body, secondary filter equipment and storage water tank, first flexible pipeline section one end and primary filter device intercommunication, the other end and secondary filter equipment intercommunication, storage water tank pass through the flexible pipeline section of second and secondary filter equipment intercommunication, the first flexible pipeline section pile warp pump body, the pump body includesU -shaped groove and driving motor, and the middle part of driving motor's output shaft connecting rod, the both ends of connecting rod all are equipped with a pulley, and the pulley lies in the U -shaped inslot, and the inner wall in U -shaped groove is covered in first flexible pipeline section subsides, at least one pulley first flexible pipeline section of conflicting. The utility model discloses have the two -stage f