EP3844005A1 - Feder-federteller-anordnung für ein fahrwerk und ein verfahren zum herstellen einer feder-federteller-anordnung für ein fahrzeugfahrwerk - Google Patents
Feder-federteller-anordnung für ein fahrwerk und ein verfahren zum herstellen einer feder-federteller-anordnung für ein fahrzeugfahrwerkInfo
- Publication number
- EP3844005A1 EP3844005A1 EP19762361.4A EP19762361A EP3844005A1 EP 3844005 A1 EP3844005 A1 EP 3844005A1 EP 19762361 A EP19762361 A EP 19762361A EP 3844005 A1 EP3844005 A1 EP 3844005A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spring
- compression
- plate arrangement
- pad
- compression spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 230000006835 compression Effects 0.000 claims abstract description 61
- 238000007906 compression Methods 0.000 claims abstract description 61
- 239000004033 plastic Substances 0.000 claims description 10
- 229920003023 plastic Polymers 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 7
- 239000005060 rubber Substances 0.000 claims description 7
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 2
- 229920002943 EPDM rubber Polymers 0.000 claims description 2
- 244000043261 Hevea brasiliensis Species 0.000 claims description 2
- 229920003052 natural elastomer Polymers 0.000 claims description 2
- 229920001194 natural rubber Polymers 0.000 claims description 2
- 229920003051 synthetic elastomer Polymers 0.000 claims description 2
- 239000005061 synthetic rubber Substances 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 239000004922 lacquer Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
- B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
- B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
- B60G15/062—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper the spring being arranged around the damper
- B60G15/063—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper the spring being arranged around the damper characterised by the mounting of the spring on the damper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/14—Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/04—Wound springs
- F16F1/12—Attachments or mountings
- F16F1/126—Attachments or mountings comprising an element between the end coil of the spring and the support proper, e.g. an elastomeric annulus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/12—Wound spring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/12—Mounting of springs or dampers
- B60G2204/124—Mounting of coil springs
- B60G2204/1242—Mounting of coil springs on a damper, e.g. MacPerson strut
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/12—Mounting of springs or dampers
- B60G2204/124—Mounting of coil springs
- B60G2204/1242—Mounting of coil springs on a damper, e.g. MacPerson strut
- B60G2204/12422—Mounting of coil springs on a damper, e.g. MacPerson strut anchoring the end coils on the spring support plate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/0023—Purpose; Design features protective
Definitions
- Spring-spring plate arrangement for a chassis and a method for producing a spring-spring plate arrangement for a vehicle chassis.
- the present invention relates to a spring-spring plate arrangement for a chassis and a method for producing a spring-spring plate arrangement for a vehicle chassis.
- Coil springs are usually used as springs, which are also referred to, for example, as twisted torsion springs, in particular compression springs, which are wound more or less cylindrically from spring wire. These coil springs are used for chassis as an elastic connection between the wheel axles and the vehicle body.
- Such coil springs together with other devices, usually contribute to improving driving comfort by protecting the vehicle body and vehicle occupants from bumps caused by uneven road surfaces and the vibrations resulting therefrom.
- such coil springs in particular at high driving speeds, contribute to optimized driving dynamics, that is to say that the grip of the wheels is as uniform as possible and thus in particular to driving safety.
- These coil springs are provided with a protective layer, in particular a lacquer, in particular for protection against environmental influences, which can cause corrosion, for example.
- the spring is arranged on a spring support for guiding the spring and for noise insulation.
- a spring plate is arranged, on which the spring is supported via the spring pad. It is problematic if dirt penetrates into the area between the spring and the spring base and in particular damages the lacquer of the spring by abrasion in such a way that the surface of the spring wire becomes accessible to environmental influences and is susceptible to corrosion. With long-term effects of environmental influences and severe corrosion, this can also lead to the breakage of the affected coil spring.
- the present invention is therefore based on the object of providing an improved spring-spring plate arrangement and an improved method for producing a spring-spring plate arrangement in which the aforementioned disadvantages are avoided.
- this improved spring-spring plate arrangement and the improved method for producing a spring-spring plate arrangement the susceptibility to corrosion susceptibility resulting from dirt in a spring-spring plate arrangement and, in particular, resulting breakage of the coil spring is to be reduced.
- paint damage caused by abrasion from the coil spring of a spring / spring plate arrangement should be at least partially reduced.
- the improved method for producing a spring-spring plate arrangement is intended to provide a stable manufacturing process.
- the improved method for producing a spring-spring plate arrangement should be able to be implemented simply and reliably in already existing methods.
- the spring-spring plate arrangement according to the invention has the advantage over conventional spring-spring plate arrangements that the spring-spring plate arrangement is better protected against environmental influences, in particular dirt, and that paint damage to the coil spring caused by abrasion is partially reduced or does not occur, which makes it susceptible against coil spring breakage and increased longevity.
- the method according to the invention for producing a spring-spring plate arrangement has the advantage over conventional methods that the overall process can be optimized, in particular faster, for example also by saving complex intermediate steps, and can be automated. Another advantage of the method according to the invention is that it can be easily and reliably integrated into existing methods.
- the invention therefore relates to a spring-spring plate arrangement for a chassis, in particular a vehicle chassis, comprising a compression spring with spring sections, a spring support and a spring support, the spring support at least at one end of the compression spring and on the one facing away from the compression spring in the longitudinal direction of the compression spring Side of the spring support of the spring plate is arranged such that the last spring section of the compression spring is at least partially supported on the spring support at the end of the compression spring in contact with the spring support and the spring support is supported at least partially on the spring support with the side facing away from the compression spring , wherein the spring-spring plate arrangement has at least one spring element with a spring force, the at least one spring element being arranged at least partially between the last spring section and the spring plate such that the at least one spring element is the spring supports at least partially with the spring force of the spring element in contact with the last spring section of the compression spring, the spring element (5) having an at least partially deviating from a flat geometric shape.
- Another object of the invention is a method for producing a spring-spring plate arrangement for a chassis, in particular a vehicle chassis, comprising the steps: a) providing a compression spring with spring sections;
- step e arranging the spring support provided in step b) at at least one end of the compression spring provided in step a);
- step f) arranging the at least one spring element provided in step c) on or in the longitudinal direction of the compression spring to the side of the spring pad arranged in step e) facing away from the compression spring;
- step g) arranging the spring plate provided in step d) on the longitudinal direction of the compression spring to the side of the spring support facing away from the compression spring in step e), wherein the at least one spring element arranged in step f) the spring support at least partially with the spring force of the spring element keeps in contact with the last spring section of the compression spring.
- Another object of the invention is the use of a spring element with a spring force for at least partially keeping the spring base in contact with the last spring section of the compression spring of a spring-spring plate arrangement.
- the invention can be implemented both in the spring-spring plate arrangement and in a method for producing a spring-spring plate arrangement and in the use of a spring element.
- a spring plate in the sense of the present invention means a device for receiving, in particular receiving the spring at the end, in particular a compression spring and / or spring base of the spring-spring plate arrangement.
- the dome on a handlebar or the recess for receiving a spring and / or spring base or a combination thereof is understood as a device for receiving.
- a suspension includes, in particular, elements of the wheel suspension, such as handlebars or axle control arms.
- a spring element in the sense of the present invention is understood to mean an element which has the property (s), in particular a spring force, with which the spring element contacts a spring support arranged in a spring-spring plate arrangement for a chassis in contact with the last spring section of the spring ,
- compression spring of the spring-spring plate arrangement holds.
- a spring element can be selected from a group of an annular spring, a leaf spring, a plate spring, a compression spring or a combination thereof.
- a compression spring is understood to be a spring which reacts at least to pressure stress.
- a compression spring is a spiral torsion spring, in particular a helical compression spring.
- a flat geometric shape in the context of the present invention is understood to mean a shape which extends uniformly in the normal vector direction of the plane in particular understood a flat shape, such as the shape of a (washer), a washer, a washer or a combination thereof.
- a shape deviating from a flat geometric shape is understood to mean a shape which has extensions and / or recesses in partial areas / sections in the normal vector direction of the plane.
- a spring element with a shape that at least partially deviates from a flat geometric shape has, at least in sections, an incline, a spiral, a helical shape, a spiral, in particular a partial spiral, a turn, in particular a partial turn.
- Examples of a spring element with a shape that at least partially deviates from a flat geometric shape are selected from a group of a resilient (spring) disk element, in particular, a curved disk element, a curved disk element, a corrugated disk element, a wave washer, a serrated washer, a toothed disk , a washer, a washer element in accordance with DIN 137, a spring washer, a closed spring washer, an open spring washer, a slotted spring washer, a spring washer in accordance with DIN 127, a spring washer in accordance with DIN 128, a spring washer in accordance with DIN 7980) or a combination thereof.
- the spring element has a rectangular cross section.
- the spring element is segment-like.
- the spring-spring plate arrangement is designed as a system deflection, in particular a parallel deflection.
- system deflection is understood to mean an arrangement in which spring supports of spring struts do not move in a straight line towards and away from one another.
- the spring supports of spring struts move in a curved, in particular circular, C-shaped, S-shaped, one-, two- or three-dimensional manner or a combination thereof towards and away from one another.
- Parallel deflection is understood to be a special case of system deflection.
- a parallel deflection is understood to mean an arrangement in which spring supports of spring struts move in a straight line, in particular one-dimensionally, towards and away from one another without changing the angle.
- McPherson struts have a parallel deflection.
- the spring force of the at least one spring element is greater than or equal to the weight of the spring base in the last one Spring section of the compression spring in contact area, wherein a gap is formed without the at least one spring element at least partially between the last spring section and the spring base.
- the at least one spring element has a restoring force which is greater than or equal to the restoring force of the spring base in the direction of the side facing the compression spring.
- the at least one spring element is selected from a group of an annular spring, a leaf spring, a plate spring, a compression spring, a gas spring, in particular an air spring, a cushion, a hydraulic spring, in particular a hydraulic cushion, or a combination thereof.
- the spring base comprises a composition which is selected from a group of rubber, in particular natural rubber, synthetic rubber, in particular ethylene-propylene-diene rubber, polyurethane, composite material, in particular fiber composite material, for example carbon-fiber plastic , Glass fiber plastic, metal, in particular steel or a combination thereof.
- the spring pad comprises a combination of rubber and plastic, the spring pad being formed in layers and being arranged between the rubber element between a rubber layer and a plastic layer.
- the spring base has a pocket, the at least one spring element being arranged in the pocket.
- the at least one spring element is designed as an integral part of the spring base.
- an integral component in the sense of the present invention is understood to mean that the component cannot be removed non-destructively from the element whose integral component it is.
- a spring element as an integral part of a spring pad cannot be removed from the spring pad without being destroyed.
- the at least one spring element comprises a composition which is selected from a group of rubber, polyurethane, composite material, in particular fiber composite material, for example carbon fiber plastic, glass fiber plastic, metal, in particular steel or a combination thereof.
- the compression spring has at least one region with an alternating cross section in the last spring section.
- the cross-section can change in dimension and / or geometric shape.
- the cross section of the spring wire can be selected from the group of a cylindrical, a conical cross section or a combination thereof.
- process steps e) to g) take place simultaneously.
- the spring-spring plate arrangement according to the invention is explained with reference to the drawing.
- the three-dimensional exploded views show the spring-spring plate arrangement in an unassembled state.
- FIG. 1 schematically shows a three-dimensional exploded view of a spring-spring plate arrangement according to the prior art
- FIG. 2 schematically shows a three-dimensional exploded view of a spring-spring plate arrangement according to an embodiment of the invention
- FIG. 3 schematically shows a three-dimensional view of a spring pad according to an embodiment of the invention
- FIG. 4 schematically shows a three-dimensional view of a spring pad according to an embodiment of the invention.
- 1 shows a spring-spring plate arrangement 1 according to the prior art, comprising a compression spring 2 with spring sections, a spring pad 3 and a spring plate
- FIG. 2 An embodiment of a spring-spring plate arrangement 1 according to FIG. 1 is additionally shown in FIG. 2 with a spring element 5 arranged in the area between the side of the compression spring 2 facing the spring plate 4 and the spring plate 4.
- FIG. 3 shows an embodiment of the spring base 3 with a pocket 6 and a spring element 5 arranged in the pocket 6.
- the spring base 3 shows an embodiment of the spring base 3 with a pocket 6 and a spring element 5 arranged in the pocket 6, the spring element 5 having a curvature and in particular being a curved disc element. Due to the curvature caused by the curved disc element arranged in the pocket 6, the surface of the spring base 3 facing the compression spring 2 is pressed, in particular curved, in the direction of the compression spring 2.
- Spring-spring plate arrangements of the type described above are used in the production of vehicles, in particular chassis of motor vehicles and / or rail vehicles.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Springs (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018214798.1A DE102018214798A1 (de) | 2018-08-31 | 2018-08-31 | Feder-Federteller-Anordnung für ein Fahrwerk und ein Verfahren zum Herstellen einer Feder-Federteller-Anordnung für ein Fahrzeugfahrwerk |
| PCT/EP2019/073237 WO2020043889A1 (de) | 2018-08-31 | 2019-08-30 | Feder-federteller-anordnung für ein fahrwerk und ein verfahren zum herstellen einer feder-federteller-anordnung für ein fahrzeugfahrwerk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3844005A1 true EP3844005A1 (de) | 2021-07-07 |
Family
ID=67841063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19762361.4A Withdrawn EP3844005A1 (de) | 2018-08-31 | 2019-08-30 | Feder-federteller-anordnung für ein fahrwerk und ein verfahren zum herstellen einer feder-federteller-anordnung für ein fahrzeugfahrwerk |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3844005A1 (de) |
| DE (1) | DE102018214798A1 (de) |
| WO (1) | WO2020043889A1 (de) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19723347C1 (de) * | 1997-06-04 | 1998-12-17 | Mannesmann Sachs Ag | Federbein für Fahrzeuge |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB527468A (en) * | 1939-04-13 | 1940-10-09 | Morris Motors Ltd | Improvements relating to spring mountings for motor vehicles |
| US2902274A (en) * | 1957-06-11 | 1959-09-01 | Monroe Auto Equipment Co | Vehicle suspension system |
| US4562997A (en) * | 1982-04-14 | 1986-01-07 | Nissan Motor Company, Limited | Shock absorber assembly for automotive vehicle suspension |
| JP2556925Y2 (ja) * | 1991-08-13 | 1997-12-08 | カヤバ工業株式会社 | 位置依存型緩衝器におけるクッション構造 |
| US5263694A (en) * | 1992-02-24 | 1993-11-23 | General Motors Corporation | Upper mount assembly for a suspension damper |
| FR2799693B1 (fr) * | 1999-10-14 | 2002-01-25 | Peugeot Citroen Automobiles Sa | Dispositif de support inferieur pour ressort de suspension, notamment automobile |
| DE102005002231B4 (de) * | 2005-01-18 | 2010-04-15 | Zf Friedrichshafen Ag | Federteller für einen Schwingungsdämpfer |
| DE102005011408B4 (de) * | 2005-03-11 | 2011-05-05 | Trelleborg Automotive Germany Gmbh | Federauflage für eine Spiralfeder |
| US7624973B2 (en) * | 2005-12-12 | 2009-12-01 | Arvinmeritor Technology, Llc | Dynamic pierce point centering spring seat |
| DE102007050084A1 (de) * | 2007-10-19 | 2009-04-23 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Abstützung für eine Schraubendruckfeder |
| DE102010054727A1 (de) * | 2010-09-25 | 2012-03-29 | Daimler Ag | Stützkörper für eine Tragfeder eines Federbeins |
| DE102015200181A1 (de) * | 2015-01-09 | 2016-07-14 | Ford Global Technologies, Llc | Federunterlage für eine Fahrzeugradaufhängung und Fahrzeugradaufhängung |
| JP6545505B2 (ja) * | 2015-03-31 | 2019-07-17 | Kyb株式会社 | サスペンション装置 |
-
2018
- 2018-08-31 DE DE102018214798.1A patent/DE102018214798A1/de not_active Ceased
-
2019
- 2019-08-30 WO PCT/EP2019/073237 patent/WO2020043889A1/de not_active Ceased
- 2019-08-30 EP EP19762361.4A patent/EP3844005A1/de not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19723347C1 (de) * | 1997-06-04 | 1998-12-17 | Mannesmann Sachs Ag | Federbein für Fahrzeuge |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020043889A1 (de) | 2020-03-05 |
| DE102018214798A1 (de) | 2020-03-05 |
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