DE102010019551A1 - Energy absorption element for use in arrangement of motor car, particularly passenger car, has hollow cross section, in which holding unit is arranged in sectional manner - Google Patents
Energy absorption element for use in arrangement of motor car, particularly passenger car, has hollow cross section, in which holding unit is arranged in sectional manner Download PDFInfo
- Publication number
- DE102010019551A1 DE102010019551A1 DE201010019551 DE102010019551A DE102010019551A1 DE 102010019551 A1 DE102010019551 A1 DE 102010019551A1 DE 201010019551 DE201010019551 DE 201010019551 DE 102010019551 A DE102010019551 A DE 102010019551A DE 102010019551 A1 DE102010019551 A1 DE 102010019551A1
- Authority
- DE
- Germany
- Prior art keywords
- holding part
- energy absorption
- absorption element
- section
- holding
- 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- Withdrawn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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/48—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting
- B60D1/56—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting securing to the vehicle bumper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/24—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions
- B60D1/243—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions for protection in case of crash, collision, impact, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/48—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting
- B60D1/52—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting removably mounted
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/48—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting
- B60D1/56—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting securing to the vehicle bumper
- B60D1/565—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting securing to the vehicle bumper having an eyelet
Abstract
Description
Die Erfindung betrifft ein Energieabsorptionselement, gemäß Oberbegriff des Anspruchs 1 sowie eine Anordnung zweier solcher Energieabsorptionselemente.The The invention relates to an energy absorption element, according to the preamble of claim 1 and an arrangement of two such energy absorption elements.
Die
Es ist dabei Aufgabe der vorliegenden Erfindung, ein Energieabsorptionselement der eingangs genannten Art bereitzustellen, welches geringe Kosten aufweist.It It is the object of the present invention to provide an energy absorption element to provide the type mentioned, which low cost having.
Diese Aufgabe wird durch ein Energieabsorptionselement für einen Kraftwagen mit den Merkmalen des Patentanspruchs 1 sowie durch eine Anordnung zweier solcher Energieabsorptionselemente mit den Merkmalen des Patentanspruchs 8 gelöst.These Task is by an energy absorption element for a Motor vehicle with the features of claim 1 and by a Arrangement of two such energy absorption elements with the features of claim 8.
Ein solches Energieabsorptionselement für einen Kraftwagen, insbesondere einen Personenkraftwagen, welches bei einer unfallbedingten Kraftbeaufschlagung zumindest bereichsweise unter Energieverzehrung verformbar ist und welches zumindest bereichsweise einen Hohlquerschnitt aufweist, in welchem wenigstens bereichsweise eine Halteeinrichtung angeordnet ist, mittels welcher eine Abschleppöse des Kraftwagens an dem Energieabsorptionselement befestigbar ist, zeichnet sich dadurch aus, dass die Halteeinrichtung zumindest ein Halteteil umfasst, welches als Profilbauteil ausgebildet ist, wobei das Profilbauteil über seine Längserstreckung einen zumindest im Wesentlichen konstanten Querschnitt aufweist. Das bedeutet, dass das Halteteil aus einem als Profilbauteil ausgebildeten Halbzeug durch Ablängen geschaffen ist, wobei das Halteteil beispielsweise als Strangpressprofil oder als Gussteil, insbesondere Druckgussteil, ausgebildet ist. Dies ist zumindest bereichsweise innerhalb des Hohlquerschnitts anzuordnende Halteteil, welches auch als Inlay bezeichnet wird, ermöglicht eine besonders einfache Montage der Halteeinrichtung, was die Kosten für das Energieabsorptionselement gering hält.One such energy absorption element for a motor vehicle, in particular a passenger car, which in the event of an accident Applying force at least regionally while consuming energy is deformable and which at least partially a hollow cross-section has, in which at least partially a holding device is arranged, by means of which a towing eye of the motor vehicle is attachable to the energy absorbing element is characterized in that the holding device comprises at least one holding part, which is designed as a profile component, wherein the profile component via its longitudinal extent an at least substantially constant Cross section has. This means that the holding part of a formed as a profile component semi-finished by cutting to length is created, wherein the holding part, for example, as an extruded profile or as a casting, in particular die-cast part is formed. This is at least partially within the hollow cross-section to be arranged holding part, which is also referred to as inlay, allows a particularly simple installation of the holding device, what the cost of the energy absorbing element low holds.
In einer vorteilhaften Ausführungsform der Erfindung ist eine in Umfangsrichtung des Halteteils umlaufende Außenkontur des Halteteils im Wesentlichen als zu einer in Umfangsrichtung des Halteteils umlaufenden Innenkontur des Hohlquerschnitts korrespondierende Gegenkontur ausgebildet. Dies ermöglicht ebenso eine besonders einfache Montage des Halteteils sowie eine definierte und sehr gute Kraftübertragung von der Abschleppöse über das Halteteil auf das Energieabsorptionselement im Falle eines Abschleppens eines Fahrzeugs, was die Belastungen auf das Energieabsorptionselement gering hält.In an advantageous embodiment of the invention is a circumferential outer contour in the circumferential direction of the holding part of the holding part substantially as one in the circumferential direction of the Holding parts circumferential inner contour of the hollow cross-section corresponding Counter contour formed. This also makes a special one possible easy mounting of the holding part as well as a defined and very good power transmission from the towing eye on the holding part on the Energy absorption element in the case of a towing a vehicle, which keeps the loads on the energy absorbing element low.
In einer besonders vorteilhaften Ausführungsform der Erfindung ist es das Halteteil mit dem Energieabsorptionselement mittels zumindest einer Schraubverbindung verbunden. Dadurch kann das Halteteil besonders zeit- und damit kostengünstig mit dem Energieabsorptionselement verbunden werden, was die Gesamtkosten für das Energieabsorptionselement in einem geringen Rahmen hält. Des Weiteren ist es dadurch ermöglicht, über unterschiedliche Baureihen von Kraftwagen hinweg, bei welchem die entsprechenden Kraftwagen unterschiedliche Gewichte aufweisen, durch jeweilige Materialkonzepte der entsprechenden Energieabsorptionselemente der Kraftwagen Unfallverhalten der jeweiligen Energieabsorptionselemente darzustellen, welche auf das Gewicht des korrespondierenden Kraftwagens abgestimmt ist. Dadurch weisen alle Kraftwagen über die unterschiedlichen Baureihen hinweg sehr gute Unfallverhalten auf, ohne jedoch ein Abschleppkonzept ändern zu müssen. Dies hält die Kosten für das Energieabsorptionselement, insbesondere für die Kraftwagen über die Baureihen hinweg, gering.In a particularly advantageous embodiment of the invention it is the holding part with the energy absorbing element by means of at least connected to a screw connection. This makes the holding part special time and thus cost with the energy absorption element connected, which is the total cost of the energy absorption element keeps in a small frame. Furthermore, it is through allows, over different series of Car away, in which the corresponding cars different Having weights, by respective material concepts of the corresponding Energy absorption elements of motor vehicles accident behavior of the respective To represent energy absorption elements, which are based on the weight of the corresponding motor vehicle is tuned. Show this way all cars across the different series very good accident behavior, but without changing a towing concept to have to. This keeps the costs for that Energy absorption element, especially for the cars over the series, low.
Das Halteteil wird beispielsweise als Strangpressprofil ausgebildet, das an einen korrespondierenden Querschnitt des Energieabsorptionselement angepasst ist. Anschließend werden beispielsweise Bohrungen, beispielsweise in Fahrzeugquerrichtung, in das Halteteil eingebracht, wonach das Halteteil zumindest bereichsweise in das Energieabsorptionselement bzw. den Hohlquerschnitt eingeschoben wird. Über die Bohrungen kann dann das Halteteil beispielsweise unter Einsatz einer Schraube und einer Kontermutter mit dem Energieabsorptionselement verschraubt werden.The Holding part is formed for example as an extruded profile, adapted to a corresponding cross section of the energy absorbing element is. Subsequently, for example, holes, for example in vehicle transverse direction, introduced into the holding part, after which the Holding part at least partially in the energy absorption element or the hollow cross section is inserted. About the holes can then the holding part, for example, using a screw and a lock nut bolted to the energy absorbing element become.
Durch die einfache Verbindung des Halteteil mit dem Energieabsorptionselement mittels der zumindest einen Schraubverbindung kann das Energieabsorptionselement als Hybridbauteil dargestellt werden, bei welchem sich die Werkstoffe des Energieabsorptionselement und des Halteteils voneinander unterscheiden.By the simple connection of the holding part with the energy absorption element by means of the at least one screw connection, the energy absorption element be presented as a hybrid component, in which the materials of the energy absorbing element and the holding part differ from each other.
Das Halteteil ist vorteilhafterweise zumindest im Wesentlichen aus Aluminium bzw. einer Aluminiumlegierung, insbesondere als Aluminium-Druckgussteil, ausgebildet, um das Gewicht des Energieabsorptionselement und damit des Kraftwagens gering zu halten. Dies kommt einem niedrigen Kraftstoffverbrauch und damit geringen CO2-Emissionen des Kraftwagens zugute.The holding part is advantageously at least substantially made of aluminum or an aluminum alloy, in particular as an aluminum die-cast part, in order to keep the weight of the energy-absorbing element and thus of the motor vehicle low. This results in low fuel consumption and thus low CO 2 emissions benefit of the motor vehicle.
Das Energieabsorptionselement selbst kann als Profilbauteil, beispielsweise als Strangpressprofil, ausgebildet sein. Ebenso möglich ist, dass das Energieabsorptionselement in Schalenbauweise ausgebildet ist, wobei es zumindest zwei Schalen, insbesondere Blechschalen, umfasst, die über jeweilige Fügflansche miteinander verbunden, beispielsweise punktverschweißt, sind.The Energy absorption element itself can be used as a profile component, for example as an extruded profile, be formed. Likewise possible is that the energy absorbing element formed in shell construction where there are at least two shells, in particular sheet metal shells, includes, the respective Fügflansche with each other connected, for example punktverschweißt are.
Zur Erfindung gehört auch eine Anordnung zumindest zweier erfindungsgemäßer Absorptionselemente an einem Kraftwagen, insbesondere einem Personenkraftwagen, wobei die Energieabsorptionselemente in Fahrzeugquerrichtung voneinander beabstandet sind, und wobei sich die Halteteile der Energieabsorptionselemente in ihren Längserstreckungen voneinander unterscheiden. Mit anderen Worten weisen die Energieabsorptionselemente voneinander unterschiedliche, zumindest im Wesentlichen in Längsrichtung verlaufende Längserstreckungen auf. Dabei weist das Halteteil des Energieabsorptionselements auf der Seite, die zum Abschleppen und damit für die Abschleppöse vorgesehen ist, beispielsweise eine höhere Längserstreckung auf als das Halteteil des Energieabsorptionselement auf der anderen Seite. Dies bedeutet eine bedarfsgerechte Ausgestaltung der Halteteile, was den Materialbedarf und damit das Gewicht und die Kosten gering hält.to Invention also includes an arrangement of at least two inventive Absorption elements on a motor vehicle, in particular a passenger car, wherein the energy absorbing elements in the vehicle transverse direction from each other are spaced apart, and wherein the holding parts of the energy absorbing elements differ in their longitudinal extent. In other words, the energy absorbing elements are different from each other different, at least substantially in the longitudinal direction extending longitudinal extent. In this case, the holding part of the energy absorbing element on the side that is towing and thus intended for the towing eye, For example, a higher longitudinal extent as the holding part of the energy absorbing element on the other Page. This means a needs-based design of the holding parts, what the material requirements and thus the weight and costs low holds.
Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung mehrere bevorzugter Ausführungsbeispiele sowie anhand der Zeichnungen. Die vorstehend in der Beschreibung genannten Merkmale und Merkmalskombinationen sowie die nachfolgend in der Figurenbeschreibung genannten und/oder in den Figuren alleine gezeigten Merkmale und Merkmalskombinationen sind nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen oder in Alleinstellung verwendbar, ohne den Rahmen der Erfindung zu verlassen.Further Advantages, features and details of the invention will become apparent the following description of several preferred embodiments as well as from the drawings. The above in the description mentioned features and feature combinations and the following mentioned in the description of the figures and / or in the figures alone shown features and feature combinations are not only in the each specified combination, but also in other combinations or used alone, without the scope of the invention to leave.
Die Zeichnungen zeigen in:The Drawings show in:
Die
Die
Halteteile
Die
Die
Die
In
das Energieabsorptionselement
Der
Grund dafür ist anhand der
In
den Hohlquerschnitt des Energieabsorptionselement
Mit
anderen Worten bedeutet dies, dass bei einem Abschleppvorgang eine
mit einer Abschleppöse
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES 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 The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 2007029860 A1 [0002] - DE 2007029860 A1 [0002]
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201010019551 DE102010019551A1 (en) | 2010-05-05 | 2010-05-05 | Energy absorption element for use in arrangement of motor car, particularly passenger car, has hollow cross section, in which holding unit is arranged in sectional manner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201010019551 DE102010019551A1 (en) | 2010-05-05 | 2010-05-05 | Energy absorption element for use in arrangement of motor car, particularly passenger car, has hollow cross section, in which holding unit is arranged in sectional manner |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102010019551A1 true DE102010019551A1 (en) | 2010-12-16 |
Family
ID=43070006
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE201010019551 Withdrawn DE102010019551A1 (en) | 2010-05-05 | 2010-05-05 | Energy absorption element for use in arrangement of motor car, particularly passenger car, has hollow cross section, in which holding unit is arranged in sectional manner |
Country Status (1)
Country | Link |
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DE (1) | DE102010019551A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2487055A1 (en) * | 2011-02-09 | 2012-08-15 | Benteler Automobiltechnik GmbH | Bumper system with towing device |
WO2012149950A1 (en) | 2011-05-05 | 2012-11-08 | Daimler Ag | Holding element for a towing lug of a motor vehicle and energy absorption element for a motor vehicle |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007029860A1 (en) | 2007-06-28 | 2009-01-02 | GM Global Technology Operations, Inc., Detroit | Two-piece retention system for e.g. towing eye, of motor vehicle i.e. passenger car, has two retainers with threads for holding threaded rod that is connected with towing eye of vehicle, and spaced from each other |
-
2010
- 2010-05-05 DE DE201010019551 patent/DE102010019551A1/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007029860A1 (en) | 2007-06-28 | 2009-01-02 | GM Global Technology Operations, Inc., Detroit | Two-piece retention system for e.g. towing eye, of motor vehicle i.e. passenger car, has two retainers with threads for holding threaded rod that is connected with towing eye of vehicle, and spaced from each other |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2487055A1 (en) * | 2011-02-09 | 2012-08-15 | Benteler Automobiltechnik GmbH | Bumper system with towing device |
WO2012149950A1 (en) | 2011-05-05 | 2012-11-08 | Daimler Ag | Holding element for a towing lug of a motor vehicle and energy absorption element for a motor vehicle |
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Legal Events
Date | Code | Title | Description |
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OAV | Applicant agreed to the publication of the unexamined application as to paragraph 31 lit. 2 z1 | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |