Connecting device for connecting a vehicle sub-frame and a vehicle body and vehicle comprising the same

1. A connecting device for connecting a vehicle sub-frame and a vehicle body, comprising:

a first end adapted to be fastened onto the vehicle sub-frame, and

a second end adapted to be fastened onto the vehicle body, and having at least one first branch adapted to be fastened onto a side member of the vehicle body and at least one second branch adapted to be fastened onto a bottom floor of the vehicle body,

wherein the connecting device comprises upper and lower shells fastened onto each other.

2. The connecting device according to claim 1 , wherein the upper shell comprises first and second upper ends, and the lower shell comprises first and second lower ends,

wherein the first upper end and the first lower end are fastened onto each other so as to form the first end, and the second upper end and the lower ends are fastened onto each other so as to form the second end.

3. The connecting device according to claim 2 , wherein the second upper end comprises at least one first upper branch and at least one second upper branch,

wherein the second lower end comprises at least one first lower branch and at least one second lower branch,

wherein the first upper branch and the first lower branch are fastened onto each other so as to form the first branch, and

wherein the second upper branch and the second lower branch are fastened onto each other so as to form the second branch.

4. The connecting device according to claim 1 , wherein each of the upper and lower shells is formed by a metal sheet via a stamping process.

5. The connecting device according to claim 1 , wherein each of the upper and lower shells has a U-shaped cross section, and a side wall of the upper shell is welded to a corresponding side wall of the lower shell.

6. The connecting device according to claim 1 , further comprising a reinforcing element disposed between the upper and lower shells.

7. The connecting device according to claim 6 , wherein the reinforcing element is fixed onto the upper shell.

8. The connecting device according to claim 1 , wherein the connecting device has a configuration substantially similar to a head of a fork.

9. The connecting device according to claim 8 , wherein the second end has two second branches and one first branch which are merged into the first end.

10. The connecting device according to claim 9 , wherein the first branch is perpendicular to a first plane and the two second branches are perpendicular to a second plane different from the first plane.

11. The connecting device according to claim 10 , wherein the first plane intersects the second plane.

12. The connecting device according to claim 9 , wherein the first branch is longer than the two second branches.

13. A vehicle comprising:

a vehicle body;

a vehicle sub-frame; and

a connecting device including:

a first end fastened onto the vehicle sub-frame, and

a second end fastened onto the vehicle body, and having at least one first branch fastened onto a side member of the vehicle body and at least one second branch fastened onto a bottom floor of the vehicle body,

wherein the connecting device comprises upper and lower shells fastened onto each other.

14. The vehicle according claim 13 , wherein the first end of the connecting device is fastened onto the vehicle sub-frame via a first connecting assembly, and the second end of the connecting device is fastened onto the vehicle body via a second connecting assembly.

15. The vehicle according claim 14 , wherein the first connecting assembly comprises:

a first hole formed in the first end of the connecting device;

a first sleeve fixed on the first end of the connecting device and coaxial with the first hole;

a first mounting hole formed in the vehicle sub-frame; and

a first bolt passing through the first hole, the first sleeve and the first mounting hole so as to fix the vehicle sub-frame with the connecting device,

wherein the second connecting assembly comprises:

a second hole formed in each of the first and second branches of the connecting device;

a second sleeve fixed on each of the first and second branches and coaxial with the second hole;

a second mounting hole formed in the vehicle body; and

a second bolt passing through the second hole, the second sleeve and the second mounting hole so as to fix the vehicle body with the connecting device.