Auxiliary frame for a vehicle, in particular an electric vehicle
An auxiliary frame for a vehicle including a first shell element and a second shell element, rigidly connected to the first shell element, to define a cavity. The auxiliary frame includes a cross bridge for bearing a vehicle drive unit. The cross bridge is connected by a screwed connection to the first shell element and/or to the second shell element. The auxiliary frame includes a sleeve-like spacer element for the inserting of a screw for vehicle body connection. The spacer element is arranged at one of its ends at a through-hole of the first shell element and extends within the cavity in the direction of a through-hole of the second shell element. The spacer element has a sleeve-like portion for receiving a screw of the screwed connection of the cross bridge.
1. An auxiliary frame for a vehicle comprising:
a first shell element,
a second shell element rigidly connected to the first shell element to define a cavity,
a cross bridge for bearing a vehicle drive unit, wherein
the cross bridge is connected by a screwed connection to at least one of the first shell element and/or the second shell element, and
a sleeve-like spacer element for inserting of a screw for vehicle body connection, wherein
the spacer element is arranged at one of its ends at a through-hole of the first shell element and extends within the cavity in the direction of a through-hole of the second shell element, and
the spacer element has a sleeve-like portion for receiving a screw of the screwed connection of the cross bridge.
2. The auxiliary frame according to claim 1 , wherein the shell elements are made from sheet metal.
3. The auxiliary frame according to claim 1 , wherein
the spacer element has a web-shaped portion, which connects a sleeve-like portion of the spacer element for the inserting of a screw for vehicle body connection to the sleeve-like portion for the receiving of a screw of the screwed connection of the cross bridge, wherein
the web-shaped portion is arranged relative to the sleeve-like portions such that the respective sleeve-like portion projects on both sides with respect to the two side faces of the web-shaped portion which run parallel to a screw receiver axis of the respective sleeve-like portion.
4. The auxiliary frame according to claim 3 , wherein the web-shaped portion has a thickness, measured perpendicularly to the two side faces, in the range of 3 to 10 mm.
5. The auxiliary frame according to claim 1 , wherein the spacer element is configured at least partially in a loop shape.
6. The auxiliary frame according to claim 1 , wherein the spacer element is made from a single metal sheet.
7. The auxiliary frame according to claim 5 , wherein two loop ends of the spacer element are welded to one another in a butt joint.
8. The auxiliary frame according to claim 5 , wherein two loop ends of the spacer element are at a distance from one another and welded in a lap joint to the web-shaped portion.
9. The auxiliary frame according to claim 8 , wherein the welded connections at the two loop ends are embodied as fillet seam weld seams.
10. The auxiliary frame according to claim 1 , wherein the spacer element is embodied in one piece as at least one of a metallic casting or forging.
11. The auxiliary frame according to claim 1 , wherein the spacer element has at least two sleeve-like portions for the inserting of at least two screws for vehicle body connection.
12. The auxiliary frame according to claim 1 , wherein the spacer element has at least two sleeve-like portions for the receiving of at least two screws of the screwed connection of the cross bridge.
13. The auxiliary frame according to claim 11 , wherein the spacer element is configured so as to be star-shaped.
14. The auxiliary frame according to claim 1 , wherein the sleeve-like portion for receiving a screw of the screwed connection of the cross bridge has a receiving cross-sectional area which is smaller than the receiving cross-sectional area of the sleeve-like portion of the spacer element, which serves for the inserting of a screw for vehicle body connection.
15. The auxiliary frame according to claim 1 , wherein a shoulder for receiving the spacer element is formed into at least one of the first shell element and/or the second shell element.
16. The auxiliary frame according to claim 1 , wherein the shell elements are made from sheet steel.
17. The auxiliary frame according to claim 3 , wherein the web-shaped portion has a thickness, measured perpendicularly to the two side faces, in the range of 4 to 8 mm.
18. The auxiliary frame according to claim 1 , wherein the spacer element is made from a single steel sheet.