▎ 摘　　要

NOVELTY - The bumper has a bumper portion (5) whose top on both sides of the concave rubber seat portion (8) is provided with a buffer structure (9). A port (7) is provided at the center of the top of the bumper portion. The top end of the port extends to the outside of the bumper portion. A barrier screen (6) is installed inside the port. An annular sealing ring (4) is provided on the inner wall of the bumper portion. The bottom end of the annular sealing ring extends to the outside of the bumper portion and is fixedly connected with the top end of the base plate (1). USE - Vehicle bumper of graphene-based SMC composite materials. ADVANTAGE - The bumper improves the protection effect when the bumper is used, reduces the phenomenon that the external dust and other substances are invaded bumper the main portion when the bumper is used, and prolongs the service life of the automobile bumper. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of a vehicle bumper. Base plate (1) Annular sealing ring (4) Bumper portion (5) Barrier screen (6) Port (7) Concave rubber seat portion (8) Buffer structure (9)