Building curtain wall with sunshade structure

The utility model discloses a building curtain wall with a sunshade structure, which comprises a steel structure frame, an expansion screw, a glass curtain wall, a regular cleaning component and a selectable sunshade component, the regular cleaning component comprises a rack, a chute, a driving rotating shaft, a pinion, a shell, a driving gear, a driving motor, a motor gear and a cleaning brush, the selectable sunshade assembly comprises a front lifting motor, a rear lifting motor, a front rotating shaft, a rear rotating shaft, a supporting plate, a winding reel, a lifting rope, a guide rail, a base, a solar louver board, a connecting rope, a limiting rope, a sunshade curtain, a photosensitive sensor, an electromagnetic buckle and a control power source. The utility model relates to the technical field of high-rise building curtain walls, in particular to a building curtain wall with a sun-shading structure, which can selectively use the sun-shading structure according to illumination brightness at different