Cup stand driving device

The utility model discloses a cup stand driving device which comprises a cup stand seat and a cup stand, a movable cavity is arranged in the cup stand seat, the cup stand is vertically arranged in the movable cavity in a lifting mode, and a driving spring used for jacking the cup stand is further arranged in the movable cavity. The driving spring is connected with the buffer layer through a connecting point; the deformable buffer layer can effectively reduce shaking of the driving spring, especially transverse shaking of the middle section of the driving spring, so that collision between the driving spring and the cup holder caused by shaking of the driving spring is reduced, and collision noise is lowered. The arranged buffer layer can absorb energy and buffer after the driving spring collides with the cup holder, the collision strength is reduced, noise or abnormal sound is further reduced, and the comfort of a driver and passengers in the automobile is improved; and the reliability of connection between th