MOTOR VEHICLE WITH AN INDEPENDENT SUSPENSION

Abstract

The disclosure relates to a motor vehicle, in particular an electric vehicle or a hybrid electric vehicle. The motor vehicle has a longitudinal link rear axle with independent suspensions. Each independent suspension has a wheel carrier, a longitudinal link rigidly connected to the wheel carrier, articulated to a vehicle body of the motor vehicle, and three lateral links connected firstly to the wheel carrier and secondly to the vehicle body, or to an auxiliary frame connected to the vehicle body. A wheel axle oriented in a lateral direction of the vehicle runs through the wheel carrier. To create additional installation space for an arrangement of a traction battery of the motor vehicle, the lateral links are arranged completely offset from the wheel axle at the rear end in relation to a longitudinal axis of the vehicle of the motor vehicle.

Claims

1. An electric vehicle comprising: a longitudinal link rear axle with independent suspensions, wherein each independent suspension has a wheel carrier, a longitudinal link rigidly connected to the wheel carrier and articulated to a vehicle body, and three lateral links connected to the wheel carrier and the vehicle body; and a wheel axle, oriented in a lateral direction of the vehicle body, runs through the wheel carrier, wherein the lateral links are arranged completely offset from the wheel axle at a rear end in relation to a longitudinal axis of the vehicle body.

2. The electric vehicle as claimed in claim 1 further comprising an articulation point at which a respective lateral link of the three lateral links, articulated to the vehicle body, is arranged at the rear end offset from the articulation point with respect to the longitudinal axis, at which articulation point the respective lateral link is articulated to the wheel carrier.

3. The electric vehicle as claimed in claim 1 further comprising at least one spring arranged on each independent suspension, wherein the at least one spring is supported on a lower lateral link of the three lateral links and on the vehicle body.

4. The electric vehicle as claimed in claim 1 further comprising at least one lateral leaf spring running in the lateral direction of the vehicle, secured in a middle region of the vehicle body and connected at each end, directly or indirectly, to the wheel carrier and to a respective longitudinal link or one of the three lateral links.

5. The electric vehicle as claimed in claim 4, wherein the at least one lateral leaf spring is connected at each end indirectly via at least one coupling member to the wheel carrier, to the respective longitudinal link or to one of the three lateral links.

6. The electric vehicle as claimed in claim 1 further comprising at least one traction battery partially arranged between the wheel carriers.

7. A rear axle comprising: independent suspensions, each having a wheel carrier, a longitudinal link rigidly connected to the wheel carrier and articulated to a vehicle body, and three lateral links connected to the wheel carrier and the vehicle body; and a wheel axle that runs through the wheel carrier, wherein the three lateral links are arranged completely offset from the wheel axle at a rear end, related to a longitudinal axis of the vehicle body.

8. The rear axle as claimed in claim 7 further comprising an articulation point at which a respective lateral link of the three lateral links, articulated to the vehicle body, is arranged at the rear end offset from the articulation point with respect to the longitudinal axis, wherein, at the articulation point, the respective lateral link is articulated to the wheel carrier.

9. The rear axle as claimed in claim 7 further comprising at least one spring arranged on each independent suspension, wherein the at least one spring is supported on a lower lateral link of the three lateral links and on the vehicle body.

10. The rear axle as claimed in claim 7 further comprising at least one lateral leaf spring running in a lateral direction, secured in a middle region of the vehicle body and connected at each end, directly or indirectly, to the wheel carrier and to a respective longitudinal link or one of the three lateral links.

11. The rear axle as claimed in claim 10, wherein the at least one lateral leaf spring is connected at each end indirectly via at least one coupling member to the wheel carrier, to the respective longitudinal link or to one of the three lateral links.

12. The rear axle as claimed in claim 7 further comprising at least one traction battery partially arranged between the wheel carriers.

13. A vehicle comprising: a longitudinal link rear axle with independent suspensions, each having a wheel carrier, a longitudinal link rigidly connected to the wheel carrier and articulated to a body, and lateral links connected to the wheel carrier and the body; and a wheel axle, oriented in a body lateral direction, that runs through the wheel carrier, wherein the lateral links are arranged offset, relative to a longitudinal axis, from the wheel axle.

14. The vehicle as claimed in claim 13 further comprising an articulation point at which a respective lateral link of the lateral links, articulated to the vehicle body, is arranged at a rear end offset from the articulation point relative to the longitudinal axis, wherein, at the articulation point, the respective lateral link is articulated to the wheel carrier.

15. The vehicle as claimed in claim 13 further comprising a spring arranged on the independent suspensions, wherein the spring is supported on a lower lateral link of the lateral links and the body.

16. The vehicle as claimed in claim 13 further comprising a leaf spring running in a lateral direction, secured in a middle region of the body being connected at each end, directly or indirectly, to the wheel carrier, the longitudinal link or one of the lateral links.

17. The vehicle as claimed in claim 16, wherein the leaf spring is connected at each end, indirectly via a coupling member, to the wheel carrier, the longitudinal link or one of the lateral links.

18. The vehicle as claimed in claim 13 further comprising a traction battery partially arranged between the wheel carriers.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0026] FIG. 1 shows a schematic, bottom view of an exemplary embodiment for a motor vehicle according to the disclosure; and

[0027] FIG. 2 shows a schematic, bottom view of a further exemplary embodiment for a motor vehicle according to the disclosure.

DETAILED DESCRIPTION

[0028] As required, detailed embodiments of the present disclosure are disclosed herein; however, it is to be understood that the disclosed embodiments are merely exemplary of the disclosure that may be embodied in various and alternative forms. The figures are not necessarily to scale; some features may be exaggerated or minimized to show details of particular components. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present disclosure.

[0029] In the different Figures, identical parts are always provided with the same reference numbers, and only described once.

[0030] FIG. 1 shows a schematic, bottom view of an exemplary embodiment for a motor vehicle 1 according to the disclosure in the form of an electric vehicle or hybrid electric vehicle. Only a rear portion of the motor vehicle 1 is depicted.

[0031] The motor vehicle 1 has a vehicle body 2 with lateral longitudinal supports 3. Furthermore, the motor vehicle 1 has a longitudinal-link rear axle 4 with independent suspensions 5 and a traction battery 6.

[0032] Each independent suspension 5 has a wheel carrier 7 on which a wheel bearing 8 is arranged, via which a rear wheel 9 is rotatably arranged on the wheel carrier 7. Furthermore, each independent suspension 5 has a longitudinal link 10 rigidly connected to the wheel carrier 7 articulated to the vehicle body 2 of the motor vehicle 1, which is produced integrally with the wheel carrier 7. In addition, each independent suspension 5 has three lateral links 12, 13 and 14 articulated, firstly, to the wheel carrier 7 and, secondly, to an auxiliary frame 11 connected to the vehicle body 2, wherein lateral link 12 is a lower lateral link 12, lateral link 13 is a camber link 13 and lateral link 14 is a toe link 14. A wheel axle 15, oriented in a lateral direction of the vehicle 1, runs through the wheel carrier 7 of the longitudinal link rear axle 4.

[0033] The lateral links 12, 13 and 14 are arranged completely offset from the wheel axle 15 at the rear end with regard to a longitudinal axis 16 of the vehicle 1. In this case, an articulation point at which the respective lateral link 12, 13 or 14 is articulated to the auxiliary frame 11 is arranged at the rear end, offset from an articulation point with respect to the longitudinal axis 16 of the vehicle 1, at which articulation point the lateral links 12, 13 or 14 are articulated to the respective wheel carrier 7, as shown in FIG. 1. The articulation point of the lateral links 12, 13 and 14 to the respective wheel carrier 7 is, likewise, offset from the wheel axle 15 at the rear end, as can likewise be recognized. The traction battery 6 is partially arranged between the wheel carriers 7.

[0034] On each independent suspension 5 is arranged a spring 17 that is supported, firstly, on the lower lateral link 12 of the lateral links 12, 13 and 14 and, secondly, on the vehicle body 2.

[0035] FIG. 2 shows a schematic, bottom view of a further exemplary embodiment for a motor vehicle 18 according to the disclosure being an electric vehicle or hybrid electric vehicle. Only a rear portion of the motor vehicle 18 is depicted.

[0036] The motor vehicle 18 differs from the exemplary embodiment shown in FIG. 1 only in that there are no springs present, and, instead of springs, the motor vehicle 18 has a lateral leaf spring 19 running in a lateral direction of the vehicle 18, which lateral leaf spring 19 is secured to the auxiliary frame 11 in a middle region and is connected at each end, directly or indirectly, to the respective wheel carrier 7, the respective longitudinal link 10 or one of the respective lateral links 12, 13 and 14. In this case, the lateral leaf spring 19 may be indirectly connected at each end via at least one coupling element to the respective wheel carrier 7, the respective longitudinal link 10 or one of the respective lateral links 12, 13 and 14. The lateral leaf spring 19 has tapered end portions. The lateral links 12 and 14 are arranged at a floor side of the lateral leaf spring 19, while the lateral link 13 runs above the lateral leaf spring 19.

[0037] While exemplary embodiments are described above, it is not intended that these embodiments describe all possible forms of the disclosure. Rather, the words used in the specification are words of description rather than limitation, and it is understood that various changes may be made without departing from the spirit and scope of the disclosure. Additionally, the features of various implementing embodiments may be combined to form further embodiments of the disclosure.