Backpack with sun-shading device

The utility model discloses a backpack with a sun-shading device, which comprises a backpack body, straps are arranged on the back of the backpack body, electric telescopic mechanisms are symmetrically arranged on two sides of the backpack body, and the top ends of the electric telescopic mechanisms are connected with a sun-shading structure capable of automatically rotating, closing and unfoldingthrough a gear set. The electric telescopic mechanism comprises a micro stepping motor and a battery pack connected with the micro stepping motor, and the micro stepping motor is connected with the screw rod shaft-screw sleeve assembly; the sun-shading structure comprises a rotating shaft, a sun-shading plate laid on the front portion of the backpack body is fixedly connected to the rotating shaft, and the two ends of the rotating shaft are rotationally connected with the threaded sleeves through bevel gear sets. The backpack is simple in structure, ingenious in conception, capable of improving the utilization rate o