▎ 摘　　要

NOVELTY - The utility model model claims an engine exhaust device convenient to disassemble and assemble, comprising an exhaust pipe, NBR nitrile rubber sealing ring and graphene sponge, one end of the periphery of the exhaust pipe is sleeved with a flange, the flange is provided with a first threaded hole, the other end of the exhaust pipe periphery is welded with a connecting plate, the connecting plate is provided with a second threaded hole. The new engine exhaust device is convenient for dismounting structure, it is convenient to use, at the same time, it has the function oil in the waste gas after combustion for absorbing, the effect of purifying the waste gas is good, and it is suitable for wide popularization and use.