PTFE engine oil seal of PPS material framework

The invention discloses a PTFE engine oil seal of a PPS material framework. The PTFE engine oil seal is characterized by comprising an annular PPS oil seal framework, a plastic inner ring connected with the PPS oil seal framework and a PTFE seal lip; the PTFE seal lip is connected to the position between the PPS oil seal framework and the plastic inner ring, an embedding groove is formed in the inner wall of a center hole of the annular PPS oil seal framework in the circumferential direction of the framework, and the outer side end of the PTFE seal lip is inserted into the embedding groove; the PTFE seal lip and the embedding groove are bonded into a whole through a tackiness agent; and the PTFE engine oil seal is simple in structure, simple in processing technology, reliable in seal, convenient to mount, small in weight and more excellent in performance compared with a product of the same type.