Diesel engine seal assembly

The utility model discloses a diesel engine seal assembly. The diesel engine seal assembly comprises packing boxes arranged inside a scavenging box. Sealing rings and oil scraping rings are sequentially arranged in the packing boxes. The oil scraping rings comprise flexible oil scraping blades, oil return holes are formed in the flexible oil scraping blades, U-type grooves are formed in the inner sides of the flexible oil scraping blades, wherein the two ends of the U-type grooves are blade lips, metal fixed supporting frames are arranged on the outer sides of the flexible oil scraping blades, and support oil return through holes are formed in the metal fixed supporting frames. Through reasonable structure modification, and particularly the design of matching of the metal fixed supporting frames and the flexible oil scraping blades is adopted, the design of originally directly adopting the metal oil scraping rings is changed, the flexibility of the flexible oil scraping blades is utilized, and therefore abras