Support rack

The utility model relates to a support rack, comprising a rack rail, a frame foundation and a roll spring. Rail bars are arranged on both sides of the rack rail whose one end is provided a roll spring coupling device. Orbits which are sleeved with the rail bars are arranged on both sides of the seat board of the frame foundation, and the back face of the frame foundation is provided with a frame block; the both side ends of a frame plate are provided with an angle slice which is connected with a coupling slice by a hinge pivoting and positioning. The roll spring is arranged on a track plate, one end of the roll spring is provided with a coupling device connected with the rail bars, and the other end of the roll spring is arranged on the seat board by using the frame block as the block; the frame track can be connected with outside articles, and the coupling slice can be connected with the connected objects.