Suspended adjustable screw jack

The utility model discloses a suspension adjustable screw jack which comprises a jack body, a storage mechanism is rotationally installed at the bottom of the outer end of the jack body, and the storage mechanism comprises a threaded cylinder, a screw, an elastic belt, a positioning rod, a positioning hole, a sliding groove, a fixing rod, an L-shaped plate, a rotating rod, a holding rod, an embedding rod and an embedding groove. A threaded cylinder is rotatably mounted at the bottom of the outer end of the jack body, a screw is connected into the threaded cylinder through threads, the threaded cylinder is convenient to mount the screw, an L-shaped plate is convenient to move through a sliding groove and a fixing rod, and therefore a holding rod and the screw can be separated while an embedded rod is separated from an embedded groove, and the jack is convenient to use. And meanwhile, the two elastic belts can be conveniently combined through the positioning rods and the positioning holes, so that the holding r