Dust-proof structure of folder of rearview mirror

The utility model relates to a dust-proof structure of a folder of a rearview mirror. The device comprises an inserting piece, a gasket, a spring, a support, a dustproof pad, a base plate and a folder, the support penetrates through the folder and the base plate, the dustproof pad is arranged between the base plate and the support, the dustproof pad is pressed by the spring, and dust cannot enterthe folder through a gap between the support and the base plate. The inserting pieces, the gaskets, the springs, the dustproof pads and the supports form a whole and rotate relative to the base plate.The folder is fixed on the base plate to form an assembly; the utility model provides a dust-proof structure of a folder of a rearview mirror. The dustproof pad is matched with the support through aclamping groove; the dustproof pad is arranged on the base plate, so that the dustproof pad and the support can only move axially and cannot rotate mutually, the base plate and the dustproof pad movemutually when the base plate