River sediment sampling device

The utility model discloses a river sediment sampling device, including the threaded bush, be equipped with steel ball separation baffle in the threaded bush on the inner wall of bottom, the toper of screw thread bottom of sleeve sets up, it is equipped with solid steel ball to be located steel ball separation baffle bottom in the threaded bush, screw thread bottom of sleeve is equipped with extrusion formula plastics point mouth, be fixed with the sampling pipe positioning seat on the threaded bush outer wall, be equipped with the through -hole that runs through to the threaded bush in on the sampling pipe positioning seat. The utility model discloses in, the rotation of user's accessible pushes down operation cross torsion bar during the use for screw thread casing pipe drill goes into sediment layer and carries out the bed mud sample, and is convenient laborsaving. Use this sampling device to adorn when getting the bed mud operation as the user, the bed mud gets into the threaded bush through the external