DE102011011816A1 - Energy absorption element for motor vehicle e.g. passenger car, has plastic portion that is arranged at radial distance of metal profile portion whose ends are supported by supporting elements - Google Patents
Energy absorption element for motor vehicle e.g. passenger car, has plastic portion that is arranged at radial distance of metal profile portion whose ends are supported by supporting elements Download PDFInfo
- Publication number
- DE102011011816A1 DE102011011816A1 DE201110011816 DE102011011816A DE102011011816A1 DE 102011011816 A1 DE102011011816 A1 DE 102011011816A1 DE 201110011816 DE201110011816 DE 201110011816 DE 102011011816 A DE102011011816 A DE 102011011816A DE 102011011816 A1 DE102011011816 A1 DE 102011011816A1
- Authority
- DE
- Germany
- Prior art keywords
- metal profile
- energy absorption
- absorption element
- plastic part
- plastic
- 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.)
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Classifications
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- 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
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/12—Vibration-dampers; Shock-absorbers using plastic deformation of members
- F16F7/123—Deformation involving a bending action, e.g. strap moving through multiple rollers, folding of members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
- B60R19/34—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means destroyed upon impact, e.g. one-shot type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
- B62D29/001—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material
- B62D29/005—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material preformed metal and synthetic material elements being joined together, e.g. by adhesives
Abstract
Description
Die Erfindung betrifft ein Energieabsorptionselement für einen Kraftwagen, gemäß Oberbegriff des Anspruchs 1. Des Weiteren betrifft die Erfindung eine Befestigungsanordnung eines solchen Energieabsorptionselements an einem Längsträger eines Kraftwagens.The invention relates to an energy absorbing element for a motor vehicle, according to the preamble of claim 1. Furthermore, the invention relates to a mounting arrangement of such an energy absorbing element on a longitudinal member of a motor vehicle.
Ein solches Energieabsorptionselement ist beispielsweise bereits aus der
Aufgabe der vorliegenden Erfindung ist es, ein Energieabsorptionselement sowie eine Befestigungsanordnung der eingangs genannten Art zu schaffen, welche ein noch verbessertes Deformationsverhalten aufweisen.Object of the present invention is to provide an energy absorption element and a fastening arrangement of the type mentioned, which have a still improved deformation behavior.
Diese Aufgabe wird erfindungsgemäß durch ein Energieabsorptionselement mit den Merkmalen des Anspruchs 1 sowie durch eine Befestigungsanordnung eines solchen Energieabsorptionselements mit den Merkmalen des Anspruchs 8 gelöst. Vorteilhafte Ausgestaltungen mit zweckmäßigen und nicht-trivialen Weiterbildungen der Erfindung sind in den jeweils abhängigen Patentansprüchen angegeben.This object is achieved by an energy absorbing element having the features of claim 1 and by a mounting arrangement of such an energy absorbing element with the features of claim 8. Advantageous embodiments with expedient and non-trivial developments of the invention are specified in the respective dependent claims.
Um ein Energieabsorptionselement mit einem verbesserten Deformationsverhalten zu schaffen, ist es gemäß Anspruch 1 vorgesehen, dass das Kunststoffteil in einem radialen Abstand zu dem Metallprofilteil angeordnet ist. Ein derartiger radialer Abstand gewährleistet, dass sowohl das Metallprofilteil als auch das Kunststoffteil bei einer unfallbedingten Kraftbeaufschlagung entsprechend – unter Energieabsorption – deformiert werden können, ohne dass eine jeweilige Deformation des einen Bauteils zu einer Beeinträchtigung des anderen Bauteils führen kann. Mit anderen Worten ist es ein besonderer Vorteil dieses radialen Abstandes des Kunststoffteils zu dem Metallprofilteil, dass beide Bauteile ohne gegenseitige Beeinträchtigung infolge der jeweiligen Deformation entsprechend deformiert werden können.In order to provide an energy absorption element with an improved deformation behavior, it is provided according to claim 1 that the plastic part is arranged at a radial distance from the metal profile part. Such a radial distance ensures that both the metal profile part and the plastic part can be deformed in an accidental force application accordingly - with energy absorption - without a respective deformation of one component can lead to impairment of the other component. In other words, it is a particular advantage of this radial distance of the plastic part to the metal profile part that both components can be deformed accordingly without mutual interference due to the respective deformation.
Da die beiden Bauteile – das Kunststoffteil und das Metallprofilteil – nicht direkt aneinander anliegen, können diese auch verschiedene Querschnitte beziehungsweise Querschnittsformen/-konturen aufweisen. Da somit die Querschnittprofile der beiden Bauteile nicht aneinander angepasst sein müssen, können diese in optimaler Weise auf das geforderte Deformationsvermögen bei einer unfallbedingten Kraftbeaufschlagung abgestimmt werden.Since the two components - the plastic part and the metal profile part - not directly abut each other, they can also have different cross-sections or cross-sectional shapes / contours. Thus, since the cross-sectional profiles of the two components do not have to be adapted to each other, they can be optimally matched to the required deformation capacity in an accidental force application.
Dabei sei angemerkt, dass die beiden Bauteile – das Kunststoffteil und das Metallprofilteil – in einer einfachen Ausführung beispielsweise rohrförmig gestaltet und im Querschnitt gesehen zumindest im Wesentlichen kreisrund sind. Gleichfalls sind jedoch auch mehreckige Querschnitte oder andere Querschnittsprofile denkbar.It should be noted that the two components - the plastic part and the metal profile part - in a simple embodiment, for example, tubular design and seen in cross section are at least substantially circular. Likewise, however, polygonal cross-sections or other cross-sectional profiles are also conceivable.
In weiterer Ausgestaltung der Erfindung hat es sich als vorteilhaft gezeigt, wenn der radiale Abstand des Kunststoffteils zu dem Metallprofilteil umlaufend zumindest etwa gleichbleibend ist. Das heißt, der Spalt beziehungsweise der Freiraum zwischen dem Kunststoffteil und dem Metallprofilteil weist eine konstante Höhe beziehungsweise Breite auf. Somit ergibt sich ein besonders symmetrisches und günstiges Deformationsvermögen des Energieabsorptionselements.In a further embodiment of the invention, it has proven to be advantageous if the radial distance of the plastic part to the metal profile part is circumferentially at least approximately constant. That is, the gap or the free space between the plastic part and the metal profile part has a constant height or width. This results in a particularly symmetrical and favorable deformation capacity of the energy absorption element.
Weiterhin vorteilhaft ist es, wenn das Kunststoffteil außenumfangseitig des Metallprofilteils angeordnet ist. Gleichfalls wäre es jedoch prinzipiell auch denkbar, das Kunststoffteil innenseitig des Metallprofilteils anzuordnen. Die vorliegend gewählte Anordnung hat jedoch insbesondere den Vorteil, dass das Kunststoffteil auf einfache Weise nach außen hin aufgestülpt werden kann, wohingegen das Metallprofilteil im Inneren des Kunststoffteils entsprechend durch Falten deformiert werden kann.It is also advantageous if the plastic part is arranged on the outer peripheral side of the metal profile part. Likewise, it would also be conceivable, in principle, to arrange the plastic part on the inside of the metal profile part. However, the presently selected arrangement has the particular advantage that the plastic part can be easily slipped outwards, whereas the metal profile part can be deformed correspondingly by folding in the interior of the plastic part.
Zwischen dem Kunststoffteil und dem Metallprofilteil ist in weiterer Ausgestaltung der Erfindung wenigstens ein Distanzelement vorgesehen. Somit kann beispielsweise ein Klappern oder dergleichen des Kunststoffteils im Bezug auf das Metallprofilteil verhindert werden.Between the plastic part and the metal profile part, at least one spacer element is provided in a further embodiment of the invention. Thus, for example, rattling or the like of the plastic part with respect to the metal profile part can be prevented.
Dabei ist es des Weiteren vorteilhaft, wenn das Distanzelement durch einen Kunststoff gebildet ist. Ein derartiger Kunststoff ist besonders kostengünstig und weist darüber hinaus die notwendigen Materialeigenschaften auf.It is also advantageous if the spacer element is formed by a plastic. Such a plastic is particularly inexpensive and also has the necessary material properties.
In weiterer Ausgestaltung der Erfindung weist ein Ende des Kunststoffteils eine Triggerung auf. Durch eine derartige Triggerung, welche beispielsweise durch gezielte Materialschwächungen oder Falten, Sicken oder dergleichen erzeugt werden kann, sind gezielt Kraftspitzen bei Deformationsbeginn des Kunststoffteils zu vermeiden.In a further embodiment of the invention, one end of the plastic part on a triggering. By such a triggering, which can be generated for example by targeted material weakening or wrinkles, beads or the like, targeted force peaks are to be avoided at the beginning of deformation of the plastic part.
Die vorstehend im Zusammenhang mit dem erfindungsgemäßen Energieabsorptionselement genannten Vorteile gelten in ebensolcher Weise für die Befestigungsanordnung gemäß Anspruch 8. Diese zeichnet sich insbesondere dadurch aus, dass das Kunststoffteil und das Metallprofilteil im Querschnitt kleiner ausgebildet sind als ein durch den Längsträger, an welchem das Energieabsorptionselement abgestützt ist, begrenzter, sich an das Energieabsorptionselement anschließender Längsträgerhohlraum. Durch diese kleinere Ausgestaltung der Querschnitte des Kunststoffteils und des Metallprofilteils im Bezug auf den Längsträgerhohlraum kann erreicht werden, dass beispielsweise nach Überschreiten entsprechender Kräfte die Crashbox in den Längsträger geschoben wird.The above in connection with the energy absorption element according to the invention These advantages are equally valid for the mounting arrangement according to claim 8. This is characterized in particular by the fact that the plastic part and the metal profile part are formed smaller in cross-section than a limited by the longitudinal beam on which the energy absorbing element is supported, to the energy absorption element subsequent longitudinal beam cavity. By means of this smaller configuration of the cross sections of the plastic part and of the metal profile part with respect to the side member cavity, it can be achieved that, for example, after corresponding forces have been exceeded, the crash box is pushed into the side member.
Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung von bevorzugten Ausführungsbeispielen sowie anhand der Zeichnungen. Dabei zeigen:Further advantages, features and details of the invention will become apparent from the following description of preferred embodiments and from the drawings. Showing:
In
Das Energieabsorptionselement
Zwischen den beiden Stützelementen
Außerdem umfasst das Energieabsorptionselement
Zwischen dem außen angeordneten Kunststoffteil
Das Kunststoffteil
Die in
Die Ausführungsform gemäß
Das Metallprofilteil
Insbesondere die Ausführungsform gemäß
Als im Rahmen der Erfindung mit umfasst ist es zu betrachten, dass das Metallprofilteil
Insgesamt ist somit ein Energieabsorptionselement
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 102006058604 B4 [0002] DE 102006058604 B4 [0002]
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110011816 DE102011011816A1 (en) | 2011-02-19 | 2011-02-19 | Energy absorption element for motor vehicle e.g. passenger car, has plastic portion that is arranged at radial distance of metal profile portion whose ends are supported by supporting elements |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110011816 DE102011011816A1 (en) | 2011-02-19 | 2011-02-19 | Energy absorption element for motor vehicle e.g. passenger car, has plastic portion that is arranged at radial distance of metal profile portion whose ends are supported by supporting elements |
Publications (1)
Publication Number | Publication Date |
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DE102011011816A1 true DE102011011816A1 (en) | 2012-08-23 |
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DE201110011816 Withdrawn DE102011011816A1 (en) | 2011-02-19 | 2011-02-19 | Energy absorption element for motor vehicle e.g. passenger car, has plastic portion that is arranged at radial distance of metal profile portion whose ends are supported by supporting elements |
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DE (1) | DE102011011816A1 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012217657A1 (en) * | 2012-09-27 | 2014-05-28 | Bayerische Motoren Werke Aktiengesellschaft | Longitudinal element, particularly high speed energy-absorber for crash structure of motor vehicle, has approximation trigger which has defect unit for producing local defects in longitudinal element and actuating unit |
DE102012217663A1 (en) * | 2012-09-27 | 2014-05-28 | Bayerische Motoren Werke Aktiengesellschaft | Motor vehicle e.g. passenger car, has bumper bracket mounted at longitudinal beams that comprise longitudinal portion, where bumper bracket is made of composite material and beams has shape, which allows lateral clearance |
DE102012217660A1 (en) * | 2012-09-27 | 2014-05-28 | Bayerische Motoren Werke Aktiengesellschaft | Longitudinal beam element of crash structure for motor vehicle e.g. passenger car, has tapering pin that is firmly connected with tapering hole which is formed in side surface |
DE102013209971A1 (en) * | 2013-05-28 | 2014-12-04 | Bayerische Motoren Werke Aktiengesellschaft | Body structure support for a motor vehicle |
FR3009358A1 (en) * | 2013-08-02 | 2015-02-06 | Alstom Transport Sa | SHOCK ENERGY ABSORPTION DEVICE |
DE102014007750A1 (en) * | 2014-05-23 | 2015-11-26 | Audi Ag | Impact beam for a motor vehicle |
DE102015205226A1 (en) * | 2015-03-23 | 2016-09-29 | Bayerische Motoren Werke Aktiengesellschaft | Structural component for a crash structure and crash structure |
CN109070821A (en) * | 2016-04-22 | 2018-12-21 | 日产自动车株式会社 | energy absorbing structure |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006058604B4 (en) | 2006-12-11 | 2008-11-27 | Benteler Automobiltechnik Gmbh | crash box |
-
2011
- 2011-02-19 DE DE201110011816 patent/DE102011011816A1/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006058604B4 (en) | 2006-12-11 | 2008-11-27 | Benteler Automobiltechnik Gmbh | crash box |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012217657A1 (en) * | 2012-09-27 | 2014-05-28 | Bayerische Motoren Werke Aktiengesellschaft | Longitudinal element, particularly high speed energy-absorber for crash structure of motor vehicle, has approximation trigger which has defect unit for producing local defects in longitudinal element and actuating unit |
DE102012217663A1 (en) * | 2012-09-27 | 2014-05-28 | Bayerische Motoren Werke Aktiengesellschaft | Motor vehicle e.g. passenger car, has bumper bracket mounted at longitudinal beams that comprise longitudinal portion, where bumper bracket is made of composite material and beams has shape, which allows lateral clearance |
DE102012217660A1 (en) * | 2012-09-27 | 2014-05-28 | Bayerische Motoren Werke Aktiengesellschaft | Longitudinal beam element of crash structure for motor vehicle e.g. passenger car, has tapering pin that is firmly connected with tapering hole which is formed in side surface |
DE102013209971A1 (en) * | 2013-05-28 | 2014-12-04 | Bayerische Motoren Werke Aktiengesellschaft | Body structure support for a motor vehicle |
FR3009358A1 (en) * | 2013-08-02 | 2015-02-06 | Alstom Transport Sa | SHOCK ENERGY ABSORPTION DEVICE |
DE102014007750A1 (en) * | 2014-05-23 | 2015-11-26 | Audi Ag | Impact beam for a motor vehicle |
DE102014007750B4 (en) * | 2014-05-23 | 2020-12-24 | Audi Ag | Impact beam for a motor vehicle |
DE102015205226A1 (en) * | 2015-03-23 | 2016-09-29 | Bayerische Motoren Werke Aktiengesellschaft | Structural component for a crash structure and crash structure |
DE102015205226B4 (en) | 2015-03-23 | 2023-02-02 | Bayerische Motoren Werke Aktiengesellschaft | Structural component for a crash structure and crash structure |
CN109070821A (en) * | 2016-04-22 | 2018-12-21 | 日产自动车株式会社 | energy absorbing structure |
EP3446929A4 (en) * | 2016-04-22 | 2019-02-27 | Nissan Motor Co., Ltd. | Energy absorbing structure |
JPWO2017183173A1 (en) * | 2016-04-22 | 2019-04-04 | 日産自動車株式会社 | Energy absorption structure |
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R005 | Application deemed withdrawn due to failure to request examination |