Wing is folded to span telescopic

The utility model discloses a wing is folded to span telescopic, including the front wing, the rear wing, base and the system of actuating, left front inner wing and right front inner wing that the front wing set up including the symmetry, the left back wing and the right back wing that the rear wing set up including the symmetry, the tip of left front inner wing and right front inner wing passes through articulated the installation in base one end of front wing installation axle, the other end device system of actuating at the base, set up respectively on left front inner wing and the right front inner wing along gliding left front outer wing of its length direction and right front outer wing, the articulated installation on the slider of one end of the left back wing and the right back wing, the other end of the left back wing and the right back wing articulates with left front outer wing and right front outer wing to be connected, the slider is driven along the vertical back -and -forth movement of base by