Automobile windscreen wiper

The utility model discloses an automobile windscreen wiper relates to the automobile parts field, include that it scrapes the strip to rotate cavity bracing piece and the windshield wiper be connected with the automobile body, vertically be provided with a plurality of air jets on the cavity bracing piece, the air jet communicates with the inner chamber of cavity bracing piece, the inner chamber of cavity bracing piece is connected with the hot blast apparatus of car, the cavity bracing piece includes upper boom and lower beam, and the windshield wiper is scraped the strip and is connected with the upper boom, be connected with scalable pole between upper boom and lower beam, the upper boom bottom is equipped with the screw thread platform, and the lower beam top is equipped with the thread groove, screw thread platform and thread groove size phase -match, the windshield wiper scrape the strip include by interior and set gradually outward scrape strip layer, sponge layer and brush layer, the windshield wiper