Vehicle door damping nut

The utility model relates to an automobile door damping nut, and belongs to an automobile electric side sliding door connecting part. The top of the hollow cylinder part of the iron nut is fixedly connected with the inverted-U-shaped anti-disengaging barb, the two ends of the middle connecting body of the rubber connecting piece are connected with the upper clamping block and the lower clamping block respectively, anti-disengaging grooves are formed in the two ends of the upper clamping block respectively, and the hollow cylinder part of the iron nut is pressed into a round hole of the middle connecting body of the rubber connecting piece. And the anti-falling barbs of the iron nut are respectively hooked with the anti-falling grooves of the rubber connecting piece. The utility model has the advantages that the structure is novel, the quick-insertion connection mode of the iron nut and the rubber connecting piece is adopted, the working hours are saved, the fixing nut is additionally provided with an anti-fal