DE10257262A1 - Beam for motor vehicle body with deformable member, has locking member which prevents free movement of deformation member in event of high-energy crash - Google Patents
Beam for motor vehicle body with deformable member, has locking member which prevents free movement of deformation member in event of high-energy crash Download PDFInfo
- Publication number
- DE10257262A1 DE10257262A1 DE2002157262 DE10257262A DE10257262A1 DE 10257262 A1 DE10257262 A1 DE 10257262A1 DE 2002157262 DE2002157262 DE 2002157262 DE 10257262 A DE10257262 A DE 10257262A DE 10257262 A1 DE10257262 A1 DE 10257262A1
- Authority
- DE
- Germany
- Prior art keywords
- deformation
- carrier element
- motor vehicle
- locking
- element according
- 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- Withdrawn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
Classifications
-
- 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
-
- 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
-
- 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
- B62D21/152—Front or rear frames
-
- 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
- B60R2019/262—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means with means to adjust or regulate the amount of energy to be absorbed
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Description
Die Erfindung betrifft ein Trägerelement an einer Kraftfahrzeugkarosserie nach dem Oberbegriff des Anspruchs 1.The invention relates to a carrier element on a motor vehicle body according to the preamble of the claim 1.
Aus der Praxis ist es bekannt, Trägerelemente, welches z. B. Längsträger sein können, mit Verformungselementen zu versehen, um im Crashfall einen definierten Insassenschutz zu gewährleisten, derart, dass kinetische Energie zunächst in den Verformungselementen und ggf. nachfolgend in den Trägerelementen in Verformungsenergie umgewandelt wird. Der zur Verfügung stehende Verformungsweg ist dabei ein Maßstab für die auf die Insassen wirkenden Belastungen. Die z. Z. eingesetzten Prinzipien benötigen zur Realisierung längerer Verformungswege eine Verlängerung des Vorderwagens, welches jedoch nur in Grenzen möglich und akzeptabel ist.In practice it is known to use carrier elements, which z. B. be longitudinal member can, to be provided with deformation elements in order to ensure a defined one in the event of a crash To ensure occupant protection such that kinetic energy is initially in the deformation elements and possibly subsequently in the carrier elements is converted into deformation energy. The one available Deformation path is a yardstick for the loads acting on the occupants. The z. Currently used principles need to Realization longer Deformation paths an extension of the front end, which however is only possible within limits is acceptable.
Physikalisch vorteilhaft für niedrige Belastungen der Insassen ist es des Weiteren, wenn zum Anfang der Verformung möglichst hohe Verzögerungen erfolgen. Herkömmliche, vor z. B. Längsträgern positionierte Verformungselemente, die zur Realisierung niedriger Reparaturkosten bei Unfällen mit niedrigen Geschwindigkeiten leicht demontierbar sind und ferner eine niedrigere Steifigkeit als der Längsträgerbereich für hohe Aufprallenergie aufweisen, erfüllen diese Bedingung nicht. An dieser Stelle setzt die nachfolgend beschriebene Erfindung an.Physically beneficial for low It is also a burden on the occupants when the beginning of the Deformation if possible high delays occur. conventional before z. B. positioned side members Deformation elements that help to realize low repair costs at accidents are easy to disassemble at low speeds and further lower rigidity than the side member area for high impact energy have, meet these Condition not. At this point the following describes Invention.
Aufgabe der Erfindung ist es, ein Trägerelement an einer Kraftfahrzeugkarosserie mit einem stirnseitig angeordneten Verformungselement zu schaffen, welches geeignet ist, ohne Verlängerung des Vorderwagens in Abhängigkeit von bestimmten Aufprallgeschwindigkeiten definierte Verzögerungen und damit physikalisch vorteilhaftere Belastungen im Crashfall auf die Insassen zu realisieren.The object of the invention is a support element on a motor vehicle body with an end face To create deformation element, which is suitable without extending the Front car depending delays defined by certain impact speeds and thus physically more advantageous loads in the event of a crash on the Realize inmates.
Erfindungsgemäß wird die Aufgabe in Verbindung mit den Merkmalen im Oberbegriff des Anspruchs 1 dadurch gelöst, dass innerhalb des Verformungselementes wenigstens ein weiteres, im Falle niedriger Aufprallenergien frei beweglich im oder am Trägerelement geführtes Verformungselement angeordnet ist, dem im Falle hoher Aufprallenergien zur Verhinderung der freien Beweglichkeit desselben ein sich am Trägerelement abstützendes Verriegelungselement zuordenbar ist.According to the invention, the task is related solved with the features in the preamble of claim 1 in that at least one further, in the case lower, within the deformation element Impact energies freely movable in or on the support element guided deformation element is arranged to prevent in the case of high impact energies the free movement of the same on the support element support end Locking element can be assigned.
In einer Ausgestaltung der Erfindung ist vorgesehen, dass die Summe der Steifigkeiten aller Verformungselemente kleiner der Steifigkeit des Trägerelements ist.In one embodiment of the invention it is provided that the sum of the stiffnesses of all deformation elements less the rigidity of the support element is.
Eine weitere Ausgestaltung der Erfindung sieht vor, dass die Verformungselemente aus Stahlblech, Leichtmetallblech und/oder Kunststoff bestehen.Another embodiment of the invention provides before that the deformation elements made of steel sheet, light metal sheet and / or plastic.
Des Weiteren wird vorgeschlagen, dass das Verriegelungselement mittels einer elektrisch, hydraulisch oder pneumatisch betriebenen Betätigungsvorrichtung und/oder pyrotechnisch in Ver- oder Entriegelungsstellung bringbar ist.It is also proposed that the locking element by means of an electrical, hydraulic or pneumatically operated actuator and / or pyrotechnically brought into locking or unlocking position is.
Fernerhin ist vorgesehen, dass die Betätigungsvorrichtung und/oder der pyrotechnische Antrieb manuell und/oder automatisch aktivierbar sind.Furthermore, it is provided that the actuator and / or the pyrotechnic drive manually and / or automatically can be activated.
Wie die Erfindung weiter vorsieht, ist das Verriegelungselement in Abhängigkeit von der aktuellen Fahrtgeschwindigkeit des Kraftfahrzeugs und/oder von einem etwaigen mittels eines Sensors erkannten festen oder beweglichem Hindernis ver- oder entriegelbar. Der Sensor kann dabei ein Sensor auf Basis einer Radar-, Infrarot- oder Lasermeßtechnik sein.As the invention further provides is the locking element depending on the current Travel speed of the motor vehicle and / or of any fixed or moving obstacle detected by a sensor lockable or unlockable. The sensor can be a sensor based a radar, infrared or laser measurement technology.
Wie die Erfindung schließlich noch vorsieht, kann das Trägerelement ein vorderer und/oder hinterer Längsträger, ein Querträger und/oder jedwedes anderes an Kraftfahrzeugkarosserien infolge von Crashsituationen belastetes Trägerelement sein.Finally, like the invention provides, the support member a front and / or rear side member, a crossbeam and / or anything else on motor vehicle bodies as a result of crash situations loaded support element his.
Das vorgeschlagene Trägerelement hat gegenüber herkömmlichen Lösungen zur Belastungsreduzierung der Insassen im Crashfall den wesentlichen Vorteil, dass die Steifigkeit der Trägerstruktur, bestehend aus dem Trägerelement, beispielsweise einem Längsträger, und einer Mehrzahl von besonders angeordneten Verformungselementen (wenigstens zwei Verformungselemente), ohne Vergrößerung des Bauraums bzw. auch ohne Verlängerung des Deformationsweges aktuell an die Fahrtgeschwindigkeit und/oder an erkannte feste oder bewegliche Hindernisse definiert anpassbar ist. D. h. insbesondere, der Bereich der Verformungselemente, der herkömmlich für Unfälle mit niedrigen Geschwindigkeiten vorgesehen ist, kann vorsorglich mit einfachen und kostengünstigen Maßnahmen in seiner Steifigkeit variabel, nämlich auch für Unfälle mit hohen Aufprallenergien ausgebildet werden.The proposed support element has opposite usual solutions the essential to reduce the load of the occupants in the event of a crash Advantage that the rigidity of the support structure consists of the support element, for example a side member, and a plurality of specially arranged deformation elements (at least two deformation elements), without increasing the installation space or without extending the Deformationsweges currently to the speed of travel and / or recognized fixed or movable obstacles can be adjusted in a defined manner. I.e. in particular, the area of the deformation elements, which is conventional for accidents with low speeds is provided, precautionary with simple and inexpensive activities variable in its rigidity, namely also for accidents with high Impact energies are trained.
Die Erfindung wird nachstehend anhand
eines in der Zeichnung schematisch dargestellten Ausführungsbeispieles
näher erläutert. Die
einzige Figur zeigt den Längsschnitt
durch ein Trägerelement
Vorliegend ist das Trägerelement
Gemäß einer bevorzugten Ausführungsform ist
innerhalb des Verformungselementes
Durch die Erfindung mit erfaßt werden
jedoch auch Lösungen,
bei denen das Verformungselement
Um das Verformungselement
Für
den Fachmann ist sicherlich leicht nachvollziehbar, dass durch die
Anordnung einer Mehrzahl von solchen zusätzlichen Verformungselementen
Gleichfalls leicht nachvollziehbar
ist jedoch auch, dass die Summe der Steifigkeiten aller eingebundenen
Verformungselemente
Die Verformungselemente
Vorstehendes Verriegelungselement
Das Verriegelungselement
Die Betätigungsvorrichtung
Schließlich ist darauf hinzuweisen,
dass als Trägerelement
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2002157262 DE10257262A1 (en) | 2002-12-07 | 2002-12-07 | Beam for motor vehicle body with deformable member, has locking member which prevents free movement of deformation member in event of high-energy crash |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2002157262 DE10257262A1 (en) | 2002-12-07 | 2002-12-07 | Beam for motor vehicle body with deformable member, has locking member which prevents free movement of deformation member in event of high-energy crash |
Publications (1)
Publication Number | Publication Date |
---|---|
DE10257262A1 true DE10257262A1 (en) | 2004-06-24 |
Family
ID=32336105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2002157262 Withdrawn DE10257262A1 (en) | 2002-12-07 | 2002-12-07 | Beam for motor vehicle body with deformable member, has locking member which prevents free movement of deformation member in event of high-energy crash |
Country Status (1)
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DE (1) | DE10257262A1 (en) |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004032545A1 (en) * | 2004-07-06 | 2006-02-16 | Edag Engineering + Design Ag | Compressible side member that retards vehicle in case of high speed collision and acts as crashbox to withstand the high kinetic energy impact by deformation of front section in the longitudinal direction |
DE102005021725A1 (en) * | 2005-05-11 | 2006-11-16 | Volkswagen Ag | Safety arrangement for front of vehicle, comprises individually reacting impact compensating elements |
EP1854676A2 (en) * | 2006-05-12 | 2007-11-14 | Peugeot Citroen Automobiles SA | Energy absorbing assembly and automobile vehicle comprising at least one such assembly. |
EP1864866A1 (en) * | 2006-06-06 | 2007-12-12 | Corus Staal BV | Device for absorbing energy |
DE102006036902A1 (en) * | 2006-08-04 | 2008-02-07 | Bayerische Motoren Werke Ag | Engine mount for e.g. body of motor vehicle, has outer structural part and chamber unit that form respective loading paths, where mount is arranged and adjusted such that it switches between paths on reaching threshold of control parameter |
GB2442879A (en) * | 2006-10-13 | 2008-04-16 | Ricardo Uk Ltd | Shock absorbing vehicle bumper |
WO2009063275A1 (en) * | 2007-11-13 | 2009-05-22 | Hydro Aluminium Alunord | Automotive vehicle body structure and vehicle having such body structure. |
DE102007057051A1 (en) * | 2007-11-27 | 2009-05-28 | Bayerische Motoren Werke Aktiengesellschaft | Deformation device, particularly for motor vehicle for initializing pedestrian protection and vehicle with deformation device, has plastic deformable deformation element |
DE102010018690A1 (en) | 2010-04-29 | 2011-11-03 | Volkswagen Ag | Device for use in malfunction device for improving protection of occupants in motor vehicle, comprises two longitudinal support structures, which are formed by primary and secondary longitudinal support structure sections |
FR2962377A1 (en) * | 2010-07-08 | 2012-01-13 | Peugeot Citroen Automobiles Sa | Vehicle i.e. motor vehicle, has maintaining unit co-operating with mechanical unit in deployed position to prevent movement of mechanical unit in predefined direction, and under bonnet space arranged with mechanical unit |
DE102010048861A1 (en) * | 2010-10-19 | 2012-04-19 | Gm Global Technology Operations Llc (N.D.Ges.D. Staates Delaware) | Device for absorbing impact energy in vehicle during crash, has adjusting portion that adjusts degree of plastic deformation of material section of impact energy-absorbing deformation element |
US20120228073A1 (en) * | 2011-03-10 | 2012-09-13 | Autotech Engineering, Aie | Shock absorbing system applicable to the bumper of a vehicle |
WO2014166800A1 (en) * | 2013-04-09 | 2014-10-16 | Bayerische Motoren Werke Aktiengesellschaft | Structural element in the front region of a motor vehicle |
WO2015001114A1 (en) | 2013-07-05 | 2015-01-08 | Autotech Engineering, A.I.E. | Metal part with controlled deformation orientation |
FR3011520A1 (en) * | 2013-10-09 | 2015-04-10 | Autotech Engineering Aie | SHOCK ABSORBER SYSTEM FOR MOTOR VEHICLE |
WO2015144629A1 (en) * | 2014-03-24 | 2015-10-01 | Bayerische Motoren Werke Aktiengesellschaft | Arrangement for absorbing kinetic energy |
DE102017208525A1 (en) | 2017-05-19 | 2018-11-22 | Volkswagen Aktiengesellschaft | Motor vehicle crash structure, crash box and motor vehicle with a motor vehicle crash structure and method for controlling a motor vehicle crash structure |
Citations (1)
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DE19745656A1 (en) * | 1997-10-16 | 1999-04-22 | Daimler Chrysler Ag | Impact absorber for a motor vehicle |
-
2002
- 2002-12-07 DE DE2002157262 patent/DE10257262A1/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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DE19745656A1 (en) * | 1997-10-16 | 1999-04-22 | Daimler Chrysler Ag | Impact absorber for a motor vehicle |
Cited By (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004032545A1 (en) * | 2004-07-06 | 2006-02-16 | Edag Engineering + Design Ag | Compressible side member that retards vehicle in case of high speed collision and acts as crashbox to withstand the high kinetic energy impact by deformation of front section in the longitudinal direction |
DE102005021725A1 (en) * | 2005-05-11 | 2006-11-16 | Volkswagen Ag | Safety arrangement for front of vehicle, comprises individually reacting impact compensating elements |
DE102005021725B4 (en) * | 2005-05-11 | 2017-03-02 | Volkswagen Ag | vehicle |
EP1854676A2 (en) * | 2006-05-12 | 2007-11-14 | Peugeot Citroen Automobiles SA | Energy absorbing assembly and automobile vehicle comprising at least one such assembly. |
FR2900887A1 (en) * | 2006-05-12 | 2007-11-16 | Peugeot Citroen Automobiles Sa | ENERGY ABSORPTION ASSEMBLY AND MOTOR VEHICLE COMPRISING AT LEAST ONE SUCH ASSEMBLY |
EP1854676A3 (en) * | 2006-05-12 | 2008-01-16 | Peugeot Citroen Automobiles SA | Energy absorbing assembly and automobile vehicle comprising at least one such assembly. |
EP1864866A1 (en) * | 2006-06-06 | 2007-12-12 | Corus Staal BV | Device for absorbing energy |
DE102006036902A1 (en) * | 2006-08-04 | 2008-02-07 | Bayerische Motoren Werke Ag | Engine mount for e.g. body of motor vehicle, has outer structural part and chamber unit that form respective loading paths, where mount is arranged and adjusted such that it switches between paths on reaching threshold of control parameter |
GB2442879A (en) * | 2006-10-13 | 2008-04-16 | Ricardo Uk Ltd | Shock absorbing vehicle bumper |
WO2009063275A1 (en) * | 2007-11-13 | 2009-05-22 | Hydro Aluminium Alunord | Automotive vehicle body structure and vehicle having such body structure. |
DE102007057051B4 (en) * | 2007-11-27 | 2020-06-18 | Bayerische Motoren Werke Aktiengesellschaft | Vehicle with the deformation device |
DE102007057051A1 (en) * | 2007-11-27 | 2009-05-28 | Bayerische Motoren Werke Aktiengesellschaft | Deformation device, particularly for motor vehicle for initializing pedestrian protection and vehicle with deformation device, has plastic deformable deformation element |
DE102010018690A1 (en) | 2010-04-29 | 2011-11-03 | Volkswagen Ag | Device for use in malfunction device for improving protection of occupants in motor vehicle, comprises two longitudinal support structures, which are formed by primary and secondary longitudinal support structure sections |
FR2962377A1 (en) * | 2010-07-08 | 2012-01-13 | Peugeot Citroen Automobiles Sa | Vehicle i.e. motor vehicle, has maintaining unit co-operating with mechanical unit in deployed position to prevent movement of mechanical unit in predefined direction, and under bonnet space arranged with mechanical unit |
DE102010048861A1 (en) * | 2010-10-19 | 2012-04-19 | Gm Global Technology Operations Llc (N.D.Ges.D. Staates Delaware) | Device for absorbing impact energy in vehicle during crash, has adjusting portion that adjusts degree of plastic deformation of material section of impact energy-absorbing deformation element |
US20120228073A1 (en) * | 2011-03-10 | 2012-09-13 | Autotech Engineering, Aie | Shock absorbing system applicable to the bumper of a vehicle |
US8857584B2 (en) * | 2011-03-10 | 2014-10-14 | Autotech Engineering, Aie | Shock absorbing system applicable to the bumper of a vehicle |
US9718495B2 (en) | 2013-04-09 | 2017-08-01 | Bayerische Motoren Werke Aktiengesellschaft | Structural element in the front region of a motor vehicle |
WO2014166800A1 (en) * | 2013-04-09 | 2014-10-16 | Bayerische Motoren Werke Aktiengesellschaft | Structural element in the front region of a motor vehicle |
US9908559B2 (en) | 2013-07-05 | 2018-03-06 | Autotech Engineering, A.I.E. | Metal part with controlled deformation orientation |
WO2015001114A1 (en) | 2013-07-05 | 2015-01-08 | Autotech Engineering, A.I.E. | Metal part with controlled deformation orientation |
US10994783B2 (en) | 2013-07-05 | 2021-05-04 | Autotech Engineering S.L. | Metal part with controlled deformation orientation |
CN105636833B (en) * | 2013-10-09 | 2017-12-22 | 自动工程公司 | Shock mitigation system for motor vehicles |
FR3011520A1 (en) * | 2013-10-09 | 2015-04-10 | Autotech Engineering Aie | SHOCK ABSORBER SYSTEM FOR MOTOR VEHICLE |
EP3055170B1 (en) * | 2013-10-09 | 2017-10-04 | Autotech Engineering, A.I.E. | Shock absorber system for a motor vehicle |
CN105636833A (en) * | 2013-10-09 | 2016-06-01 | 自动工程公司 | Shock absorber system for a motor vehicle |
WO2015052298A1 (en) * | 2013-10-09 | 2015-04-16 | Autotech Engineering, A.I.E. | Shock absorber system for a motor vehicle |
US9951836B2 (en) | 2013-10-09 | 2018-04-24 | Autotech Engineering A.I.E. | Shock absorber system for a vehicle |
EP3055170A1 (en) * | 2013-10-09 | 2016-08-17 | Autotech Engineering, A.I.E. | Shock absorber system for a motor vehicle |
CN106163883A (en) * | 2014-03-24 | 2016-11-23 | 宝马股份公司 | For absorbing the arrangement system of kinetic energy |
US10093258B2 (en) | 2014-03-24 | 2018-10-09 | Bayerische Motoren Werke Aktiengesellschaft | Arrangement for absorbing kinetic energy |
WO2015144629A1 (en) * | 2014-03-24 | 2015-10-01 | Bayerische Motoren Werke Aktiengesellschaft | Arrangement for absorbing kinetic energy |
DE102017208525A1 (en) | 2017-05-19 | 2018-11-22 | Volkswagen Aktiengesellschaft | Motor vehicle crash structure, crash box and motor vehicle with a motor vehicle crash structure and method for controlling a motor vehicle crash structure |
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