Bumper car vacuum child

The utility model discloses a bumper car vacuum child aims at providing a simple structure, and the gas tightness is good, is difficult for gas leakage, breaks and fried child, installs easily and maintains, long service life just reaches the effectual bumper car vacuum child of shock attenuation well in upon impact stability. The utility model discloses a matrix, setting are in child hat (1), the setting on the top of matrix are in tyre bead (2), the transition of child hat (1) both sides child hat (1) and tire shoulder (3) between tyre bead (2), and set up tire bead (4) of the bottom of tyre bead (2), its characterized in that: two base (42) of tire bead (4) link to each other and form sealed face (43). The utility model discloses be applied to the technical field of bumper car.