Crash box

摘要

A crash box for connecting a bumper of a vehicle to a frame member of the vehicle is disclosed. The crash box includes a first crash box component made of metal with one end attached to the bumper and a second end attached to the frame member and forming an inner region. The crash box includes a second crash box component made of reinforced polymer. The second crash box component extends within the inner region of the first crash box and defines a length. The second crash box component has a uniform cross section along the length.

主权项

1. A vehicle frame assembly comprising:
a bumper extending in a lateral direction; a frame member extending in a longitudinal direction; a first crash box component attached between the bumper and the frame member, the first crash box component enclosing an inner region along the longitudinal direction, the first crash box made of metal, the first crash box component having a first end and a second end, the first end configured to attach to the bumper and the second end configured to attach to the frame member, the first end being smaller than the second end; and a second crash box component extending within the inner region of the first crash box component, the second crash box component made of reinforced polymer and having a length aligned along the longitudinal direction and a substantially uniform cross-sectional shape along the length.