Protective cleaning structure for outside of extractor hood air inlet cover

The invention discloses a protective cleaning structure for the outside of an extractor hood air inlet cover. The protective cleaning structure comprises a cooking fume sucking pipeline, a fixing rack, a side face plate and a top face plate, wherein the bottom of the cooking fume sucking pipeline is connected with the fixing rack, the horizontally arranged iron top face plate is connected under the top of the fixing rack through a plurality of fastening bolts, and one side of the bottom is connected with the iron side face plate through a plurality of fastening bolts. Two sides of the outsideof the other side of each of the top face plate and the side face plate are both provided with limiting grooves in the length direction and are clamped and connected with compressing plates through the limiting grooves, protective films are attached to the outside of the top face plate and the outside of the side face plate, the external bottoms of the protective films are tightly in contact withsuction plates, the two si