US 12,391,314 B2
Off-road vehicle
An He, Hangzhou (CN); Lihua Rao, Hangzhou (CN); Jianyong Wang, Hangzhou (CN); and Xiayang Hu, Hangzhou (CN)
Assigned to Zhejiang CFMoto Power Co. Ltd., Zhejiang (CN)
Filed by Zhejiang CFMOTO Power Co., Ltd., Zhejiang (CN)
Filed on Nov. 15, 2022, as Appl. No. 17/986,926.
Application 17/986,926 is a continuation of application No. PCT/CN2021/121822, filed on Sep. 29, 2021.
Prior Publication US 2023/0148013 A1, May 11, 2023
Int. Cl. B62D 21/18 (2006.01); B60G 3/26 (2006.01); B60G 7/02 (2006.01); B60G 21/055 (2006.01); B62D 33/06 (2006.01)
CPC B62D 21/183 (2013.01) [B60G 3/26 (2013.01); B60G 7/02 (2013.01); B60G 21/0551 (2013.01); B62D 33/0625 (2013.01); B60G 2200/44 (2013.01); B60G 2200/462 (2013.01)] 21 Claims
OG exemplary drawing
 
1. An off-road vehicle comprising:
a frame comprising a front frame portion and a rear frame portion, the front frame portion being located toward a front end of the off-road vehicle, and the rear frame portion being located toward a rear end of the off-road vehicle;
a left-front wheel and a right-front wheel;
a left-rear wheel and a right-rear wheel;
a front suspension assembly at least partially mounted on the front frame portion, the front suspension assembly comprising a front lower rocker arm, a front upper rocker arm, and a front wheel shaft support assembly disposed between the front lower rocker arm and the front upper rocker arm, the front lower rocker arm and the front upper rocker arm being mounted on the frame respectively and the front upper rocker arm being located above the front lower rocker arm along a vertical direction of the off-road vehicle; and
a rear suspension assembly at least partially mounted on the rear frame portion, the rear suspension assembly comprising a rear lower rocker arm, a rear upper rocker arm, a rear shock absorber assembly, and a rear wheel shaft support assembly disposed between the rear lower rocker arm and the rear upper rocker arm, the rear lower rocker arm and the rear upper rocker arm being mounted on the rear frame portion, respectively;
wherein the front suspension assembly further comprises a front torsion bar assembly with a front torsion bar rotatably mounted on the front frame portion, the front torsion bar being at least partially located above the front upper rocker arm along the vertical direction of the off-road vehicle, and being movably connected to the front upper rocker arm;
wherein the rear suspension assembly further comprises a control arm positioned between the rear lower rocker arm and the rear upper rocker arm along the vertical direction, one end of the control arm being rotatably connected to the rear wheel shaft support assembly, and the other end of the control arm being rotatably connected to the rear frame portion;
wherein the rear suspension assembly further comprises a rear torsion bar assembly with a rear torsion bar positioned between the rear lower rocker arm and the rear upper rocker arm, the rear torsion bar assembly further comprising a rear mounting seat, the rear mounting seat being fixed on the rear frame portion and the rear torsion bar being rotatably mounted on the rear mounting seat, and an end of the rear torsion bar being movably connected to the rear upper rocker arm; and
wherein the control arm is located toward a rear of the rear frame portion and the rear torsion bar assembly is located toward a front of the rear frame portion opposite the control arm.