Stream gravity mobile rack bar

The present invention relates to a motor vehicle with a center part of dispensing device, specifically a gravity stream moving rack bar, the rack bar comprising a frame bar, a separator slide chassis, drawbar, traveling casters, according to a framework bar cubic frame structure, which is arranged above the chassis, provided with a draw bar at one side of the chassis, running castors provided on the bottom surface of the chassis, on the sub-frame bar a separator layer is provided multiple rows of rails. It has a simple structure and reasonable, save floor space, can reduce labor intensity and waste workers, improve the efficiency of logistics and distribution, transportation and flexible, fast, lightweight, and safety.