WO2012149950A1 - Élément d'appui d'un œillet de remorquage d'un véhicule automobile ainsi qu'élément absorbeur d'énergie pour un véhicule automobile - Google Patents

Élément d'appui d'un œillet de remorquage d'un véhicule automobile ainsi qu'élément absorbeur d'énergie pour un véhicule automobile Download PDF

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Publication number
WO2012149950A1
WO2012149950A1 PCT/EP2011/006301 EP2011006301W WO2012149950A1 WO 2012149950 A1 WO2012149950 A1 WO 2012149950A1 EP 2011006301 W EP2011006301 W EP 2011006301W WO 2012149950 A1 WO2012149950 A1 WO 2012149950A1
Authority
WO
WIPO (PCT)
Prior art keywords
holding element
holding
energy absorption
motor vehicle
fastening parts
Prior art date
Application number
PCT/EP2011/006301
Other languages
German (de)
English (en)
Inventor
Dieter Lange
Ralf Mehrholz
Roland Wendler
Original Assignee
Daimler Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daimler Ag filed Critical Daimler Ag
Publication of WO2012149950A1 publication Critical patent/WO2012149950A1/fr

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
    • B60D1/14—Draw-gear or towing devices characterised by their type
    • B60D1/143—Draw-gear or towing devices characterised by their type characterised by the mounting of the draw-gear on the towed vehicle
    • 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

Definitions

  • the invention relates to a holding element according to the preamble of claim 1 for a towing eye of a motor vehicle and an energy absorption element according to
  • Motor vehicle which is at least partially deformed under energy consumption due to an accidental force application and which has at least partially a hollow cross-section.
  • a holding device is arranged, by means of which a towing eye of the motor vehicle can be fastened to the energy absorption element.
  • the holding device comprises at least one holding part, which is designed as a profile component.
  • the holder comprises two spaced apart holders. Each holder has a thread for receiving a threaded rod connected to the towing eye.
  • the first aspect of the invention relates to a holding element for a towing eye of a motor vehicle, via which the towing eye is to be fastened to an energy absorption element of the motor vehicle.
  • the holding element comprises two spaced apart in the longitudinal direction of the holding element or the energy absorbing element
  • the fastening parts are connected to one another via at least one connecting part and can be moved toward one another in the event of an accidental application of force to the holding element or energy-absorbing element in the longitudinal direction. This means that the holding element in the
  • Energy absorption element can also be in the area of the retaining element below
  • the energy-absorbing element which is also referred to as a crash box, also in the region of the holding element in the accident-related
  • the holding element according to the invention has a particularly advantageous accident behavior and thus also allows the representation of a particularly advantageous accident behavior of the energy absorption element.
  • the fastening parts are connected to one another, for example, via at least one, in particular, relatively narrow web as the connecting part of the retaining element.
  • the web can deform and / or fail, in particular break, so that the fasteners in the accident
  • At least the fastening parts is connected via a predetermined breaking point with the connecting part and via this with the second fastening part. If it comes to the accidental application of force, then the first fastening part can under dissolution of the connection of the first
  • connection of the fastening parts via the connecting part with each other has the advantage that the holding element can be moved and mounted as a whole during its assembly. This results in a time-consuming and cost-effective installation of the retaining element on the Energyabsorptionseiement.
  • By connecting the fasteners it is avoided to move the fasteners separately as separate items and to assemble, which would increase the assembly costs and thus the installation costs undesirably.
  • the second aspect of the invention relates to an energy absorption element for a person
  • Car in particular a passenger car, wherein the
  • the energy absorption element has, at least in regions, a hollow cross section in which at least in regions a holding element, in particular a holding element according to the invention, is arranged.
  • a holding element in particular a holding element according to the invention.
  • the holding element has two in the longitudinal direction of the energy absorbing element and thus of the holding element from each other
  • the holding element is designed in particular with regard to the connecting part and / or in terms of the distance between the fastening parts such that the fastening parts in the at least substantially in the longitudinal direction of
  • Energy absorption element extending accidental force application to each other are movable, a blocking of the energy absorbing element is avoided in particular in the region of the retaining element.
  • Fastening parts can also shorten the energy absorption element in the accidental application of force in the region of the support member and deform so as to consume energy, in particular fold. This can do that
  • Energy absorption element also in the region of the holding element impact energy particularly efficiently and effectively convert into deformation energy.
  • Energy absorption element can thus reduce accelerations and protect occupants of a passenger compartment of the passenger car from serious injury.
  • the energy absorption element according to the invention thus has a very good
  • the fastening parts each have at least one passage opening, via which the retaining element for fastening this to the
  • Energy absorption element to be screwed to the energy absorption element or screwed by means of a screw.
  • the holding element via the fastening parts with the
  • Energy absorption element is welded.
  • the retaining element is integrally formed, ideally as a metal extruded or as an etallgussteil. This means that the fastening parts and the connecting part are formed integrally with each other. This shows that
  • Holding element a small number of parts, which is associated with low costs. Also in the second aspect of the invention, the connection of the fastening parts via the connecting part has the advantage that the retaining element can be fixed and mounted on the energy absorbing element in a time-consuming and cost-effective manner.
  • Energy absorption element at least substantially remain, so at least substantially not relative to connecting areas in which they on the
  • Energy absorption element particularly efficiently deform under energy consumption.
  • Fig. 1 is a schematic perspective view of a holding element for a
  • An energy absorption element of a motor vehicle via which a towing eye can be fastened to the energy absorption element;
  • Fig. 2 is a schematic longitudinal section of a fastening body of
  • FIG. 3 is a schematic longitudinal sectional view of the holding element according to FIG. 1;
  • FIG. 4 shows a schematic longitudinal sectional view of an energy absorption element for a passenger car with the holding element according to FIG. 1 in an undeformed state;
  • FIG. 5 is a schematic longitudinal sectional view of the energy absorbing element of FIG. 4 in a deformed state
  • FIG. 6 shows a schematic perspective view of the holding element according to FIG. 1;
  • FIG. 8 shows a schematic longitudinal sectional view of the holding element according to FIG. 3;
  • FIG. 10 shows a schematic side view of the holding element according to FIG. 6 in an undeformed state
  • FIG. 11 shows a schematic side view of the holding element according to FIG. 10 in a deformed state
  • FIG. 12 is a schematic longitudinal sectional view of the energy absorbing element of FIG. 4 in an undeformed state
  • FIG. 13 shows a schematic longitudinal sectional view of a further embodiment of the fastening body of the retaining element according to FIG. 2;
  • FIG. 14 shows a schematic longitudinal sectional view of a further embodiment of the holding element according to FIG. 8 in an undeformed state
  • Fig. 15 is a schematic longitudinal sectional view of the holding member of FIG. 14 in a deformed state.
  • Fig. 1 shows a holding element 10 for a towing eye of a passenger car. Via the holding element 10, the towing eye is to be attached to an energy absorption element 12 (FIGS. 4, 5 and 12). As can be seen in FIGS. 4, 5 and 12, the retaining element 10 is at least partially in a hollow cross-section of the
  • the holding element 10 thus constitutes an insert part, a so-called inlay, which is to be inserted and arranged at least in regions into the energy absorption element 12.
  • the holding element 10 in this case comprises an integrally formed fastening body 14 which has a first fastening part 16 and a second fastening part 18.
  • the fastening parts 16 and 18 are spaced apart in the longitudinal direction of the holding element 10 and thus of the energy absorbing element 12 according to a directional arrow 20 and connected to each other via webs 22.
  • the fastening parts 16 and 18 and the webs 22 are integrally formed with each other.
  • the connection of the fastening parts 16 and 18 via the webs 22 has the advantage that as a result the retaining element 10 can be moved and mounted as a whole during assembly of the retaining element 10 on the energy absorbing element 12.
  • the holding element 10 also comprises a holding part in the form of a sleeve 24 which is fastened to the fastening body 14 and is supported on the fastening body 14 in the longitudinal direction and in the radial direction or transverse direction.
  • the towing eye can in this case via the sleeve 24 on the holding element 10 and over this on the
  • the sleeve 24 has an internal thread, via which the towing eye is to be screwed to the sleeve 24.
  • the towing eye is connected, for example, with a threaded rod having an external thread, which can be screwed into the internal thread of the sleeve 24.
  • the energy absorption element 12 with the holding element 10 is to be arranged, for example, on a longitudinal carrier of the passenger vehicle, which extends at least substantially in the vehicle longitudinal direction. That's how it works
  • Energy absorption element 12 absorb the accidental force application particularly well and convert impact energy into deformation energy.
  • the first fastening part 16 is a
  • main forces in particular the longitudinal forces referred to as main forces are picked up during towing and during accident-induced application of force.
  • the transverse forces are primarily absorbed, which act on a schematically represented point of application 26 and can result from the lashing as well as from the towing.
  • the areas of action A and B are, for example, with a continuous
  • the sleeve 24 has a corresponding to the internal thread 28 external thread.
  • the area of action B has a step 30, which as
  • Length stop for the sleeve 24 acts. This is shown in particular in FIG. 3.
  • the area of action B is provided with only a small number of threads of the internal thread 28, so that the threads in the accident
  • the sleeve 24 receives at least part of the accidental application of force and punches the threads of the internal thread 28 in the area B out, so that the sleeve 24 can move relative to the mounting member 18. This also makes it possible that the fastening parts 16 and 18 in the accidental application of force at least substantially in
  • the holding element 10 in particular the webs 22, deformed and shortened in his or her length. Due to the deformation of the holding element 10, an advantageous deformability, in particular foldability, of the energy absorption element 12 in the case of accidental application of force is enabled and a blocking of the
  • Energy absorption element 12 in the region of the holding member 10 avoided.
  • the energy absorbing element 12 may be at the accident
  • Energy absorption element 12 efficiently convert impact energy into deformation energy. This can be seen in particular in FIGS. 4 and 5.
  • Passage surface 32 are supported.
  • the fastening parts 16 and 18 have respective passage openings 34, via which the retaining element 10 is to be screwed to the energy absorption element 12.
  • first Einschraubline L1 shown.
  • second Einschraubline L2 is shown.
  • the Einschraublinien L1 and L2 are spaced apart in the longitudinal direction according to the directional arrow 20.
  • Holding element is on the Einschraubline L1 and L2 at the
  • the threads of possibly provided internal thread 28 are punched out in the area of action transverse forces B, pushed out or the like removed.
  • Energy absorption element 12 in particular in the region of the holding element 10.
  • the holding element 10 plays no further role. This means that the deformation behavior and the efficient conversion of impact energy into deformation energy by the energy absorption element 12 is not adversely affected by the holding element 10.
  • FIG. 9 shows an alternative embodiment of the attachment part 18 with an alternative arrangement 38 of the passage openings 34 of the attachment part 18. This is also shown in FIG.
  • FIGS. 14 and 15 show a further alternative embodiment of the invention
  • the through-openings 34, via which the fastening part 18 is fastened to the energy-absorbing element 12, are in each case via respective ones
  • Predetermined breaking points 40 with the webs 22 and connected via this with the first fastening part 16. As can be seen from FIG. 15, the accident occurs
  • Fasteners 16 and 18 to move toward each other in the longitudinal direction and the Blocking of the energy absorbing element 12 is avoided. In addition, this may lead to a deformation of the holding element 10, in particular of the webs 22.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Dampers (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

L'invention concerne un élément d'appui (10) pour un œillet de remorquage d'un véhicule automobile, au moyen duquel l'œillet de remorquage peut être fixé sur un élément absorbeur d'énergie (12) du véhicule automobile, comportant deux pièces de fixation (16, 18) écartées l'une de l'autre dans la direction longitudinale (20), au moyen desquelles l'élément d'appui (10) peut être fixé sur l'élément absorbeur d'énergie (12). Les pièces de fixation (16, 18) sont reliées entre elles par au moins une pièce de liaison (22) et, en cas de sollicitation de l'élément d'appui (10) dans la direction longitudinale (20) en raison d'un accident, peuvent se déplacer l'une vers l'autre. L'invention concerne en outre un élément absorbeur d'énergie (12) comportant un tel élément d'appui (10) pour un véhicule automobile.
PCT/EP2011/006301 2011-05-05 2011-12-14 Élément d'appui d'un œillet de remorquage d'un véhicule automobile ainsi qu'élément absorbeur d'énergie pour un véhicule automobile WO2012149950A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110100573 DE102011100573A1 (de) 2011-05-05 2011-05-05 Halteelement für eine Abschleppöse eines Kraftwagens sowie Energieabsorptionselement für einen Kraftwagen mit einem solchen Halteelement
DE102011100573.4 2011-05-05

Publications (1)

Publication Number Publication Date
WO2012149950A1 true WO2012149950A1 (fr) 2012-11-08

Family

ID=45350747

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/006301 WO2012149950A1 (fr) 2011-05-05 2011-12-14 Élément d'appui d'un œillet de remorquage d'un véhicule automobile ainsi qu'élément absorbeur d'énergie pour un véhicule automobile

Country Status (2)

Country Link
DE (1) DE102011100573A1 (fr)
WO (1) WO2012149950A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014004950A1 (de) 2014-04-04 2014-11-06 Daimler Ag Energieabsorptionselement für einen Kraftwagen, insbesondere einen Personenkraftwagen
DE102015013708A1 (de) 2015-10-22 2016-11-24 Daimler Ag Querträger für einen Stoßfänger eines Kraftwagens, Stoßfänger und Kraftwagen

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10153032A1 (de) * 2001-10-26 2002-07-18 Audi Ag Abschleppvorrichtung für ein Kraftfahrzeug
DE10110332A1 (de) * 2001-03-03 2002-09-12 Bayerische Motoren Werke Ag Fahrzeug
JP2004338666A (ja) * 2003-05-19 2004-12-02 Aisin Seiki Co Ltd 車両用牽引装置
FR2909948A1 (fr) * 2006-12-14 2008-06-20 Peugeot Citroen Automobiles Sa Dispositif d'absorption d'energie pour vehicule automobile
DE102007024882A1 (de) * 2007-05-29 2008-12-04 GM Global Technology Operations, Inc., Detroit Halter für die Abschleppöse eines Kraftfahrzeugs
DE102007029860A1 (de) 2007-06-28 2009-01-02 GM Global Technology Operations, Inc., Detroit Halterung für die Abschleppöse eines Kraftfahrzeugs
DE102010019551A1 (de) 2010-05-05 2010-12-16 Daimler Ag Energieabsorptionselement für einen Kraftwagen sowie Anordnung zweier solcher Energieabsorptionselemente

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10110332A1 (de) * 2001-03-03 2002-09-12 Bayerische Motoren Werke Ag Fahrzeug
DE10153032A1 (de) * 2001-10-26 2002-07-18 Audi Ag Abschleppvorrichtung für ein Kraftfahrzeug
JP2004338666A (ja) * 2003-05-19 2004-12-02 Aisin Seiki Co Ltd 車両用牽引装置
FR2909948A1 (fr) * 2006-12-14 2008-06-20 Peugeot Citroen Automobiles Sa Dispositif d'absorption d'energie pour vehicule automobile
DE102007024882A1 (de) * 2007-05-29 2008-12-04 GM Global Technology Operations, Inc., Detroit Halter für die Abschleppöse eines Kraftfahrzeugs
DE102007029860A1 (de) 2007-06-28 2009-01-02 GM Global Technology Operations, Inc., Detroit Halterung für die Abschleppöse eines Kraftfahrzeugs
DE102010019551A1 (de) 2010-05-05 2010-12-16 Daimler Ag Energieabsorptionselement für einen Kraftwagen sowie Anordnung zweier solcher Energieabsorptionselemente

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Publication number Publication date
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