Depthkeeping original state water sample sampling locator

The utility model relates to a depthkeeping original state water sample sampling locator, its structure includes interior inserted bar, cup joint including sliding sleeve and a plurality of extension bar on the inserted bar, interior inserted bar is the stainless steel round pipe including, and a termination of inserted bar has the rifle of bundle head, the external diameter of inserted bar in the root size of pricking the rifle head is greater than including, the other end sealing -in of inserted bar have the end stifled, it has the screw to open at end stifled center, the extension bar be with interior inserted bar isometric, etc. Thick stainless steel round pipe, have the end stifled in two equal sealing -ins of tip of extension bar, it has the screw to open at end stifled center, the abutting end between abutting end between interior inserted bar and the extension bar or two extension bars is all through lead screw threaded connection, the sliding sleeve include sleeve pipe and rigid coupling at the baffl