Dustproof ring

The utility model relates to a sealing element, in particular to a dustproof ring, which is composed of a framework and a rubber bodies, wherein inner ends of the rubber bodies are provided with a dustproof lip which is in interference fit with a shaft, and outer ends of the rubber bodies are covered on the framework. The rubber bodies are covered on both the ring-shaped external surface and the ring-shaped internal surface of the framework. The dustproof ring is good in sealing effect, the internal surface of the framework does not rust easily, protective effect is achieved on mechanical components inside a sealing mechanism, and the service life of the mechanical components is prolonged.