The invention discloses an automobile rear crossbeam, which comprises a crossbeam and two longitudinal beams, wherein the crossbeam comprises three layers, which are an outer layer, a middle layer and an inner layer, the outer layer, the middle layer and the inner layer are arc-shaped, the arc lengths of the outer layer, the middle layer and the inner layer are equal, the curvatures of the outer layer, the middle layer and the inner layer are sequentially increased from the outside to the inside, both ends of the outer layer, the middle layer and the inner layer are respectively welded on the two longitudinal beams, and the middles of the outer layer, the middle layer and the inner layer are connected through two bolts. The crossbeam of the automobile rear crossbeam described by the invention comprises a three-layered structure, the ends of the three-layered structure are separated, moreover, the three-layered structure is hollow, so the capability of energy absorption is better, and injuries caused by accidents are reduced.
Automobile rear crossbeam
2015-07-15
Patent
Elektronische Ressource
Englisch
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
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