The invention provides a rear axle beam for a vehicle torsion beam suspension rear axle assembly. The vehicle torsion beam suspension rear axle assembly comprises a left trailing arm, a right trailing arm, a left spring plate bracket and a right spring plate bracket. The rear axle beam is arranged between the left trailing arm and the right trailing arm. The left spring plate bracket and the right spring plate bracket are respectively welded and fixed to the rear axle beam. A first cross section at the middle point portion of the rear axle beam comprises a first section, a second section and a first connecting section connecting the first section and the second section, wherein the first connecting section is arc-shaped. A second cross section at each of both ends of the rear axle beam comprises a third section, a fourth section and a second connecting section connecting the third section and the fourth section, wherein the second connecting section is linear. The rear axle beam is in transition from the first cross section at the middle point portion to the second cross section at both ends. The rear axle beam for the vehicle torsion beam suspension rear axle assembly is good in torsion performance.
Rear axle beam for vehicle torsion beam suspension rear axle assembly
2015-05-27
Patent
Electronic Resource
English
IPC: | B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge |