DE102010060157A1 - Deformation element for bumper system of motor vehicle, has elongated hollow body that is made of metal sheet, where metal sheet has multiple longitudinal beads - Google Patents
Deformation element for bumper system of motor vehicle, has elongated hollow body that is made of metal sheet, where metal sheet has multiple longitudinal beads Download PDFInfo
- Publication number
- DE102010060157A1 DE102010060157A1 DE201010060157 DE102010060157A DE102010060157A1 DE 102010060157 A1 DE102010060157 A1 DE 102010060157A1 DE 201010060157 DE201010060157 DE 201010060157 DE 102010060157 A DE102010060157 A DE 102010060157A DE 102010060157 A1 DE102010060157 A1 DE 102010060157A1
- Authority
- DE
- Germany
- Prior art keywords
- hollow body
- metal sheet
- deformation element
- longitudinal
- motor vehicle
- 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.)
- Ceased
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Classifications
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Vibration Dampers (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft ein zwischen einem Längsträger und einem Querträger eines Stoßfängersystems eines Kraftfahrzeuges angeordnetes Deformationselement gemäß dem Oberbegriff des Anspruches 1.The present invention relates to a deformation element arranged between a side member and a cross member of a bumper system of a motor vehicle according to the preamble of claim 1.
Es ist aus dem Stand der Technik bekannt, zur Absorption von Energie, die beim Zusammenprall zweier Kraftfahrzeuge von einem Fahrzeug auf das andere Fahrzeug übertragen wird, sogenannte Deformationselemente, auch Crash-Boxen genannt, einzusetzen, die die beim Aufprall übertragene kinetische Energie in Verformungsenergie umwandeln. Solche Deformationselemente werden regelmäßig in Stoßfängern eingesetzt, die an einer Front- bzw. Heckpartie der Karosserie eines Kraftfahrzeuges angebracht sind, üblicherweise zwischen dem Längsträger und dem Querträger des Stoßfängers. Die durch die Deformationselemente absorbierte Aufprallenergie verhindert somit auch die Deformation weiterer Kraftfahrzeugteile, um damit die Schadenshöhe am Kraftfahrzeug signifikant zu verringern.It is known from the prior art to use so-called deformation elements, also referred to as crash boxes, for absorbing energy which is transferred from one vehicle to another vehicle in the collision of two motor vehicles, which convert the kinetic energy transmitted during the impact into deformation energy , Such deformation elements are regularly used in bumpers, which are attached to a front or rear part of the body of a motor vehicle, usually between the longitudinal member and the cross member of the bumper. The impact energy absorbed by the deformation elements thus also prevents the deformation of other motor vehicle parts in order to significantly reduce the damage level on the motor vehicle.
Um die von dem Deformationselement aufzunehmende Energiemenge zu erhöhen, wird üblicherweise bei den oft als hexaederförmige Blechhohlkörper ausgebildeten Deformationselementen die Dicke des Bleches erhöht, was jedoch auch mit einer Gewichtserhöhung der Deformationselemente einhergeht.In order to increase the amount of energy to be absorbed by the deformation element, the thickness of the sheet is usually increased in the case of the deformation elements, which are often designed as hexahedral sheet metal hollow bodies, but this is also accompanied by an increase in the weight of the deformation elements.
Aufgabe der vorliegenden Erfindung ist es, ein Deformationselement bereit zu stellen, das gegenüber zu den herkömmlichen Bauteilen im Vergleich zum Gewicht eine bessere Energieabsorption aufweist kann bzw. ein Deformationselement mit geringerem Gewicht bereits zu stellen, das die gleiche Menge an Energie absorbieren kann wie ein herkömmliches Deformationselement mit gleichen Abmaßen.The object of the present invention is to provide a deformation element which, compared with the conventional components, can have better energy absorption compared to the conventional components or already provide a deformation element of lesser weight which can absorb the same amount of energy as a conventional one Deformation element with the same dimensions.
Diese Aufgabe wird durch ein Deformationselement mit den Merkmalen des Anspruches 1 gelöst.This object is achieved by a deformation element with the features of claim 1.
Erfindungsgemäß weist das Metallblech des Hohlkörpers mehrere parallel zu einer Längsachse verlaufende Längssicken auf. Mit Hilfe solcher Längssicken lässt sich die zur Deformation des Deformationselementes aufzuwendende Deformationskraft in einfacherer und kostengünstiger Weise erhöhen, zum einen durch die Kaltverfestigung des Bleches beim Formen der Längssicken in das Metallblech und zum anderen durch die Geometrie der Deformationselemente selbst. Da die Umformung durch Kaltverfestigung der Deformationselemente ohne Beigabe weiteren Materials erfolgt, kann das so entstandene Bauteil bei gleichbleibendem Gewicht des Deformationselementes mehr Energie absorbieren.According to the invention, the metal sheet of the hollow body has a plurality of longitudinal beads extending parallel to a longitudinal axis. With the help of such longitudinal beads can be used to increase the deformation of the deformation element deformation force in a simpler and more cost-effective manner, on the one hand by the work hardening of the sheet in forming the longitudinal beads in the metal sheet and on the other by the geometry of the deformation elements themselves. Since the deformation by strain hardening of Deformation without addition of additional material, the resulting component can absorb more energy with the same weight of the deformation element.
Vorteilhafte Ausführungsvarianten der Verbindung sind Gegenstand der Unteransprüche.Advantageous embodiments of the connection are the subject of the dependent claims.
Im Sinne der vorteilhaften Ausführungsvariante stehen die Längssicken in dem Innenraum und/oder in dem Außenraum des Deformationselementes hinein. Dadurch lässt sich je nach Anforderung der Umfang des Deformationselementes anpassen.In the meaning of the advantageous embodiment, the longitudinal beads are in the interior and / or in the outer space of the deformation element. As a result, depending on the requirement, the circumference of the deformation element can be adapted.
Nachfolgend wird die Erfindung anhand eines Ausbildungsbeispieles unter zu Hilfenahme der beigefügten Zeichnungen näher erläutert. Es zeigen:The invention will be explained in more detail with reference to a training example with the aid of the accompanying drawings. Show it:
In der nachfolgenden Figurenbeschreibung beziehen sich Begriffe oben, unten, links, rechts, vorne, hinten usw. ausschließlich auf die in den jeweiligen Figuren gewählte beispielhafte Darstellung und Position des Deformationselementes und anderer Bauteile. Diese Begriffe sind nicht einschränkend zu verstehen, d. h. durch verschiedene Arbeitsstellungen oder dergleichen können sich diese Bezüge verändern.In the following description of the figures, terms top, bottom, left, right, front, back, etc. refer exclusively to the exemplary representation and position of the deformation element and other components selected in the respective figures. These terms are not meant to be limiting, i. H. through different working positions or the like, these references may change.
In der
Zur weiteren Versteifung der Seitenwände des Hohlkörpers
Die Längssicken
Ein derart verformter Hohlkörpers
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 11
- Deformationselementdeformation element
- 22
- Hohlkörpershollow body
- 33
- Längssickelongitudinal bead
- 44
- Längssickelongitudinal bead
- 55
- Ausstülpungenprotuberances
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201010060157 DE102010060157A1 (en) | 2010-10-26 | 2010-10-26 | Deformation element for bumper system of motor vehicle, has elongated hollow body that is made of metal sheet, where metal sheet has multiple longitudinal beads |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201010060157 DE102010060157A1 (en) | 2010-10-26 | 2010-10-26 | Deformation element for bumper system of motor vehicle, has elongated hollow body that is made of metal sheet, where metal sheet has multiple longitudinal beads |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102010060157A1 true DE102010060157A1 (en) | 2012-04-26 |
Family
ID=45923276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE201010060157 Ceased DE102010060157A1 (en) | 2010-10-26 | 2010-10-26 | Deformation element for bumper system of motor vehicle, has elongated hollow body that is made of metal sheet, where metal sheet has multiple longitudinal beads |
Country Status (1)
Country | Link |
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DE (1) | DE102010060157A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015105625A1 (en) * | 2015-04-13 | 2016-10-13 | Benteler Automobiltechnik Gmbh | Bumper arrangement for a motor vehicle |
US9522644B2 (en) | 2015-04-13 | 2016-12-20 | Benteler Automobiltechnik Gmbh | Bumper arrangement for a motor vehicle |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4401865A1 (en) * | 1993-02-05 | 1994-08-11 | Volkswagen Ag | Bumper with a bumper bar and hollow deformation elements holding this |
DE10128114A1 (en) * | 2001-03-28 | 2002-10-10 | Wagon Automotive Gmbh | Shock absorber comprises metal tube with peripheral grooves and closed, sloping upper surface, line of weakness below surface allowing compression without affecting rest of shock absorber |
DE102006048429A1 (en) * | 2006-10-12 | 2008-04-17 | Magna Automotive Services Gmbh | Energy absorption device, in particular for non-axial load |
-
2010
- 2010-10-26 DE DE201010060157 patent/DE102010060157A1/en not_active Ceased
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4401865A1 (en) * | 1993-02-05 | 1994-08-11 | Volkswagen Ag | Bumper with a bumper bar and hollow deformation elements holding this |
DE10128114A1 (en) * | 2001-03-28 | 2002-10-10 | Wagon Automotive Gmbh | Shock absorber comprises metal tube with peripheral grooves and closed, sloping upper surface, line of weakness below surface allowing compression without affecting rest of shock absorber |
DE102006048429A1 (en) * | 2006-10-12 | 2008-04-17 | Magna Automotive Services Gmbh | Energy absorption device, in particular for non-axial load |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015105625A1 (en) * | 2015-04-13 | 2016-10-13 | Benteler Automobiltechnik Gmbh | Bumper arrangement for a motor vehicle |
US9522644B2 (en) | 2015-04-13 | 2016-12-20 | Benteler Automobiltechnik Gmbh | Bumper arrangement for a motor vehicle |
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R016 | Response to examination communication | ||
R016 | Response to examination communication | ||
R016 | Response to examination communication | ||
R016 | Response to examination communication | ||
R016 | Response to examination communication | ||
R002 | Refusal decision in examination/registration proceedings | ||
R003 | Refusal decision now final |