1results about How to "Closely attached" patented technology

The utility model provides a kind of oil pipe sealing ring with spiral drainage groove, it is related to oil pipe sealing ring technical field, including primary oil pipe, secondary oil pipe and primary flange ring, connecting mechanism is equipped between primary flange ring and secondary flange ring, sealing ring is equipped between primary oil pipe and secondary oil pipe, the inside of sealing ring is equipped with spiral groove, the inside of secondary flange ring is equipped with tensioning mechanism;The utility model is compressed after primary flange ring and secondary flange ring clamp primary oil pipe and secondary oil pipe, drive spring to be in compression state, spring generates the elastic force to drive sealing ring and secondary oil pipe to be close to primary oil pipe, so that primary oil pipe, secondary oil pipe and sealing ring are closely attached between, so that sealing effect is better, and primary flange ring and secondary flange ring are wrapped sealing ring, to solve the problem that outer ring of sealing ring in the prior art is easily damaged by scratching, and the sealing ring is broken in serious cases.