Automobile -used PTFE rotating oil seal with chute structure returns

The utility model relates to a PTFE is the automobile -used rotating oil seal of primary seal. Automobile -used rotating oil seal includes the primary seal that metal framework, the rubber body and PTFE made, the design has spiral time rhyotaxitic texture of a plurality of evenly distributed's turning formation in the primary seal, its characterized in that, spiral time rhyotaxitic texture's end be equipped with spiral counter -flow vat. The beneficial effects of the utility model are that: the spiral counter -flow vat has promoted the dump pump energy -absorbing power of product, and the spiral counter -flow vat has promoted the resistant carbonization oil of product, soiled ability, and the spiral counter -flow vat can be saved minimal quantity lubrication oil and prevent that the dry grinding of main sealing edge from promoting product life, and the spiral counter -flow vat has possessed sealing gas's ability behind storage minimal quantity lubrication oil, and the engine of being convenient for carries ou