Off-road vehicle

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 font 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 rear shock absorber assembly is mounted on the rear lower rocker arm and extends upwardly from the rear lower rocker arm with a top end of the rear shock absorber assembly connected to the rear frame portion;
• 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;
• and
• 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;
• wherein an avoidance space is formed by a bend in the rear upper rocker arm, with the rear shock absorber assembly extending through the avoidance space, wherein a connection between a rear shock absorber assembly and the rear lower rocker arm defines a point M, the connection between the rear lower rocker arm and the rear wheel shaft support is a point F, and wherein a connection between the rear upper rocker arm and the rear wheel shaft support assembly defines a point N, wherein the point F and the point N do not coincide along the vertical direction of the side-by-side utility vehicle;
• the point M and the point F do not coincide along the front-rear direction of the side-by-side utility vehicle;
• wherein a straight line is defined by connecting the point N and a center point of the rear wheel shaft support assembly, and wherein a distance from the point F to the straight line is in the range from 20 mm to 40 mm.

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;
• wherein the rear shock absorber assembly is mounted on the rear lower rocker arm and extends upwardly from the rear lower rocker arm with a top end of the rear shock absorber assembly connected to the rear frame portion;
• wherein the rear suspension assembly further comprises an adjustment assembly arranged between the rear wheel shaft support assembly and one of the rear upper rocker arm and the rear lower rocker arm, the adjustment assembly being used for adjusting camber angle of the rear wheel shaft support assembly, wherein the adjustment assembly comprises:
• a first seat body rotatably connected to the rear wheel shaft support assembly;
• a second seat body connected to the rear upper rocker arm or the rear lower rocker arm;
• an adjustment piece arranged between the first seat body and the second seat body for adjusting a gap between the first seat body and the second seat body;
• and
• a fastener for locking the adjusted first seat body and the adjusted second seat body;
• and
• wherein an arc-shaped slot is formed on the second seat body, wherein the connected rocker arm comprises first and second rockers and a connecting pipe, and wherein a portion of the connecting pipe is embedded in the arc-shaped slot and welded to the second seat body.

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;
• a rear suspension assembly at least partially mounted on the rear frame portion;
• and
• a mode switch, the mode switch for selecting between two-wheeled drive, four-wheeled drive and front-wheeled drive lock, with a position for four-wheeled drive being located between positions for two-wheeled drive and front-wheeled drive lock, wherein the mode switch comprises:
• a housing comprising a cavity, a first gear slot, a second gear slot and a third gear slot being disposed in the cavity, the second gear slot being located between the first gear slot and the third gear slot, all of the first gear slot, the second gear slot and the third gear slot being arc-shaped slots;
• a pressing plate pivotally connected to the housing;
• and
• a gear lever assembly, one end of the gear lever assembly being connected to the pressing plate, and the other end being located in the cavity, and being capable of swinging along with the pressing plate and switching among the first gear slot, the second gear slot and the third gear slot;
• the first and second gear slots defining a first intersection point P and a first angle β1;
• the second and third gear slot defining a second intersection point Q and a second angle β2;
• wherein the first angle β1 and the second angle β2 differ by a difference in the range from 5° to 30°.

An off-road vehicle comprising:

• a frame comprising:
• a front frame portion located toward a front end of the off-road vehicle;
• a rear frame portion located toward a rear end of the off-road vehicle;
• and
• a middle frame portion arranged between the front frame portion and the rear frame portion, wherein the middle frame portion comprises:
• horizontal beams comprising at least a first cross beam and a second cross beam, the first cross beam and the second cross beam defining a plane S;
• and
• at least one sloping longitudinal beam running between the horizontal beams, the at least one sloping longitudinal beam comprising a first rod and a second rod, one end of the first rod being connected to the first cross beam, and the other end of the first rod extending upward and toward the second cross beam;
• one end of the second rod being connected to the second cross beam, and the other end of the second rod extending upward toward the first cross beam and being connected to the first rod;
• wherein an angle A1 between the first rod and the plane S is in the range from 5° to 15°;
• and wherein an angle A2 between the second rod and the plane S is in the range from 5° to 15°, and wherein the angle A1 is greater than the angle A2;
• 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;
• and
• wherein the rear suspension assembly further comprises a rear torsion bar assembly with arear 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.