Supporting device, display system comprising supporting device and lining element

The utility model discloses a supporting device, a display system comprising the supporting device and a lining element. The supporting device is used for a motor vehicle and used for supporting a functional element. The supporting device (4) comprises at least two side walls (10) and a supporting element (44). The supporting element moves along the side walls (10) in the horizontal movement direction and moves between the retraction position and the stretching position in the rotating direction through at least one shaft body (54). The shaft bodies move in at least one first guide rail (16), and the first guide rails stretch on one side wall (10). The first guide rails (16) comprise first section parts (28) and second section parts (32), the first section parts (28) basically stretch between upstream ends (18) and transition points (30) in the stretching direction of the supporting element (44), and the second section parts (32) incline relative to the first section parts (28) and stretch between the transit