Multipiece spring link

Patent metadata

Field	Value
Publication number	US-2016167472-A1
Application number	US-201514962743-A
Country	US
Kind code	A1
Filing date	Dec 8, 2015
Priority date	Dec 12, 2014
Publication date	Jun 16, 2016
Grant date	—

Abstract

The invention concerns a multipiece spring link ( 100 ) for a wheel suspension of a vehicle, with: a first profiled side piece ( 101 ), forming a first side leg of the multipiece spring link ( 100 ), wherein the first profiled side piece ( 101 ) has a first bulge ( 105 ); a second profiled side piece ( 103 ), forming a second side leg of the multipiece spring link ( 100 ), wherein the second profiled side piece ( 103 ) has a second bulge ( 107 ); and wherein the first bulge ( 105 ) and the second bulge ( 107 ) are arranged one opposite the other and together form a spring receiving region ( 108 ) for the receiving of a spring.

First claim

1 . Multipiece spring link for a wheel suspension of a vehicle, with:
a first profiled side piece forming a first side leg of the multipiece spring link, wherein the first profiled side piece has a first bulge; a second profiled side piece, forming a second side leg of the multipiece spring link, wherein the second profiled side piece has a second bulge; wherein the first bulge and the second bulge are arranged one opposite the other and together form a spring receiving region for the receiving of a spring.

2 . Multipiece spring link according to claim 1 , wherein the first profiled side piece and the second profiled side piece are each single-piece profiled side pieces, especially extruded profiled side pieces.

3 . Multipiece spring link according to claim 1 , wherein the first profiled side piece and the second profiled side piece are spaced apart from each other at least for a section and arranged opposite each other.

4 . Multipiece spring link according to claim 1 , wherein the first profiled side piece and the second profiled side piece each have at least one of a Z shaped cross section and an S shaped cross section.

5 . Multipiece spring link according to claim 1 , wherein the first profiled side piece and the second profiled side piece each have an outer flange and an inner flange, wherein in each case one outer flange and one inner flange of the respective profiled side piece is joined by a wall, wherein the outer flanges of the profiled side pieces are oriented outward facing away from each other and wherein the inner flanges of the profiled side pieces are oriented inward facing each other.

6 . Multipiece spring link according to claim 5 , wherein the profile thicknesses of the outer flanges differ from the profile thicknesses of the inner flanges and/or from the profile thicknesses of the walls.

7 . Multipiece spring link according to claim 1 , wherein the first profiled side piece and the second profiled side piece each have an inner flange, wherein the inner flanges of the profiled side pieces are directed inward and facing each other, while in the spring receiving region a spring support part is arranged on the inner flanges for supporting the spring.

8 . Multipiece spring link according to claim 7 , wherein the spring support part is formed by a molded part, especially by a light metal pressed part.

9 . Multipiece spring link according to claim 7 , wherein the spring support part is joined to the respective inner flange by at least one of a cold joining technique and a warm joining technique.

10 . Multipiece spring link according to claim 1 , further comprises a reinforcing web that is arranged on the outer flanges, which joins the first profiled side piece and the second profiled side piece, wherein the first profiled side piece and the second profiled side piece each have an outer flange, wherein the outer flanges are outwardly directed and facing away from each other.

11 . Multipiece spring link according to claim 10 , wherein the reinforcing web is joined to the respective outer flange by at least one of a cold joining technique and a warm joining technique.

12 . Multipiece spring link according to claim 1 further comprising a reinforcing web, which passes through a wall of the first profiled side piece and a wall of the second profiled side piece and joins the first profiled side piece and the second profiled side piece.

13 . Multipiece spring link according to claim 10 , wherein the respective reinforcing web is arranged at, at least one of the wheel suspension side, immediate to the spring receiving region and at the vehicle chassis side.

14 . Multipiece spring link according to claim 1 , wherein the multipiece spring link has a first bearing end for mounting at the wheel side and a second bearing end for mounting at the vehicle chassis side, wherein at least one of (i) the first profiled side piece and the second profiled side piece have aligned opposing bearing openings at the first bearing end for the damper connection, and (ii) the first profiled side piece and in the second profiled side piece aligned opposing bearing openings are formed at the second bearing end for the joint mounting of an elastomer bearing.

15 . Method for making a multipiece spring link comprising the steps of:
extruding of two light metal extruded profiles; bending of the light metal extruded profiles in a middle region of the light metal extruded profiles in order to obtain a profiled side piece with a bulge, wherein opposing bulges of profiled side pieces form a spring receiving region for the supporting of a spring.

16 . Multipiece spring link according to claim 4 , wherein the Z-shaped cross section is an elongated Z-shaped cross section and the S-shaped cross section is an elongated S-shaped cross section.

17 . Multipiece spring link according to claim 9 , wherein the cold joining technique is at least one of a clinch connection, a punch rivet connection, and an adhesive connection, and wherein the warm joining technique is a friction stir welding.

18 . Multipiece spring link according to claim 11 , wherein the cold joining technique is at least one of a clinch connection, a punch rivet connection, and an adhesive connection, and wherein the warm joining technique is a friction stir welding.

19 . Method for making a multipiece spring link according to claim 15 , wherein bending of the light metal extruded profiles comprises press bending.

Assignees

• Benteler Automobiltechnik Gmbh

Inventors

• Meyer Stephan
• Mielke Oliver

Classifications

• B60G7/001 Primary

  Suspension arms, e.g. constructional features (B60G7/006 takes precedence) · CPC title

• B60G2204/422

  Links for mounting suspension elements · CPC title

• B60G2206/10

  Constructional features of arms · CPC title

• B60G2206/8103

  by folding or bending · CPC title

• B60G2206/8105

  by extrusion · CPC title