Quick-change type double-lip sealing ring and sealing assembly

The utility model provides a quick-change type double-lip sealing ring and a sealing assembly, and relates to the field of metallurgical steel rolling finishing mill groups. A quick-change type double-lip sealing ring comprises a sealing ring body, the sealing ring body is provided with a lip edge facing the outer side wall of the sealing ring body, and the lip edge is provided with a check ring used for blocking oxide scales. A supporting ring is arranged in the sealing ring body. The sealing ring body and the supporting ring are integrated, so that the sealing ring is convenient to mount and dismount; the lips abut against the external upper slip ring and the external lower slip ring, and when the lips are damaged, the check ring can prevent cooling water and oxide scales from entering the roller box from the seam of the upper slip ring and the lower slip ring. And the sealing effect of the sealing ring body is good. The sealing assembly comprises the quick-change type double-lip sealing ring. The sealing r