Automotive sun visor

The utility model relates to the technical field of auto parts, especially relate to an automotive sun visor, including the transparent plate, the both ends and two supporters of transparent plate link firmly, is the inside of two supporters the cavity cavity, is equipped with lead screw slider mechanism in the cavity cavity, for matched with pole with it in another cavity slider mechanism, the inboard of two supporters is equipped with the fluting, first supporter rear side is equipped with control module and step motor, and the front side is equipped with the photosensitive element, step motor passes through gear and links to each other with the lead screw, the transparent plate rear is equipped with the polarizer, and a connecting rod is connected at the left and right both ends of polarizer, and the connecting rod links to each other with the slider respectively, two supporters link with a bracing piece respectively, and the bracing piece other end links to each other with telescopic link one end, and the