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WO2008131829A1 - Module avant pour véhicule, notamment pour automobile et procédé de montage d'un support transversal de protection pour piéton sur un module avant de ce type - Google Patents

Module avant pour véhicule, notamment pour automobile et procédé de montage d'un support transversal de protection pour piéton sur un module avant de ce type Download PDF

Info

Publication number
WO2008131829A1
WO2008131829A1 PCT/EP2008/002102 EP2008002102W WO2008131829A1 WO 2008131829 A1 WO2008131829 A1 WO 2008131829A1 EP 2008002102 W EP2008002102 W EP 2008002102W WO 2008131829 A1 WO2008131829 A1 WO 2008131829A1
Authority
WO
WIPO (PCT)
Prior art keywords
pedestrian protection
cross member
end module
protection cross
spoiler
Prior art date
Application number
PCT/EP2008/002102
Other languages
German (de)
English (en)
Inventor
Johannes Neft
Susann Mussehl
Matthias Tichter
Maik Rammoser
Original Assignee
Volkswagen Aktiengesellschaft
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 Volkswagen Aktiengesellschaft filed Critical Volkswagen Aktiengesellschaft
Publication of WO2008131829A1 publication Critical patent/WO2008131829A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/082—Engine compartments
    • B62D25/084—Radiator supports
    • 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
    • B60R19/04—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects formed from more than one section in a side-by-side arrangement
    • B60R19/12—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects formed from more than one section in a side-by-side arrangement vertically spaced
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D35/00—Vehicle bodies characterised by streamlining
    • B62D35/005—Front spoilers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R2021/0002—Type of accident
    • B60R2021/0004—Frontal collision
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R2021/003—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks characterised by occupant or pedestian
    • B60R2021/0039—Body parts of the occupant or pedestrian affected by the accident
    • B60R2021/0053—Legs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians

Definitions

  • the invention relates to a front end module for a vehicle, in particular for a motor vehicle according to the preamble of patent claim 1, and to a method for mounting a pedestrian protection cross member to a front end module according to claim 19.
  • a well-known generic front end module for a vehicle has a front end mounting bracket, which is arranged in the mounted state in a front end region of the motor vehicle.
  • a front end mounting bracket which is arranged in the mounted state in a front end region of the motor vehicle.
  • an extending in the vehicle transverse direction pedestrian protection cross member is provided in the front end.
  • such a front end module is known, to which a pedestrian protection cross member and a bumper cover, which forms a front spoiler, are assigned.
  • the front spoiler is arranged in the vehicle longitudinal direction in front of the pedestrian protection cross member.
  • the narrow in the vehicle longitudinal direction pedestrian protection cross member is provided on the back with retaining struts, via which it can be fastened to the front end mounting bracket of the front end module.
  • a further front-end mounting support with a pedestrian protection cross member is known.
  • a cross member preform component is inserted into a mounting support tool and encapsulated or molded to form a one-piece front end mounting support.
  • a bumper system for a motor vehicle is known, in which an outer skin of the bumper at the same time surrounds a spoiler arranged below. The spoiler is supported by a limited its deflection in the vehicle longitudinal direction. The support is arranged in normal operation over a distance behind the spoiler.
  • the object of the present invention is to provide a front-end module for a vehicle, in particular a motor vehicle, in which the pedestrian protection cross member is easy to assemble for assembly.
  • the pedestrian protection cross member is connected to both the front spoiler and the front-end mounting bracket. Additional support brackets for holding the free front end of the pedestrian protection cross member are therefore not required.
  • the pedestrian protection cross member can therefore be reliably and easily attached without additional components, such as the support brackets.
  • the pedestrian protection cross member may be free of connection to a cross member extending above the front spoiler.
  • the pedestrian protection cross member is a separate component relative to the front end mounting bracket and the front spoiler.
  • the pedestrian protection cross member can be full or large, d. H. extend with a closed over the vehicle width surface, between the mounting bracket and the front spoiler.
  • connection of the pedestrian protection crossmember can be done here montagetechnisch simply screw or clip on the front spoiler and / or mounting bracket.
  • the pedestrian protection cross member may have at its spoiler end a U-shaped raised side wall, with a free upper U-leg and a lower U-leg.
  • the pedestrian protection cross member can be made dimensionally stable and stiff in its front area.
  • the U-profile of the cross member may be adapted to the shape of the front spoiler so that the front spoiler together with the U-profile of the pedestrian protection cross member forms a double wall structure with only a slight gap between the spoiler and the pedestrian protection cross member.
  • a connection for attachment to the front spoiler can be provided here on the upper and / or lower U-leg of the pedestrian protection cross member. In this case, it is particularly preferable if in each case a connection to the front spoiler takes place both at the upper U-leg and at the lower U-leg.
  • the first front connection takes place via latching connection points whose latching elements can be brought into engagement in the vehicle longitudinal direction.
  • the assembly of the pedestrian protection cross member with the front spoiler is thus carried out by a latching operation in the vehicle longitudinal direction.
  • the second front connection takes place by merging the front spoiler and the pedestrian protection cross member in the vehicle longitudinal direction.
  • a positive connection between the lower front spoiler end and the bottom side of the pedestrian protection cross member of advantage is required.
  • the two U-legs of the pedestrian protection cross member may be interconnected via stiffening walls which extend approximately in the vehicle vertical axis direction.
  • the extended to the mounting bracket rear portion of the pedestrian protection cross member may be plate-shaped without additional stiffening elements or alternatively also with such stiffening elements to obtain a predetermined stiffness of the rear area.
  • the rear area is less dimensionally stable or "softer" than the front area of the pedestrian protection cross member, so the rear connection of the pedestrian protection cross member to the mounting bracket is correspondingly "soft".
  • the rear area therefore forms a deformation zone of the cross member in the event of a crash, which may be elastically and / or plastically deformable in order to avoid damage to the pedestrian protection cross member or the mounting bracket.
  • the front spoiler is not integrally extended at its lower end to the mounting bracket and fastened there.
  • the pedestrian protection cross member connects the lower end of the front spoiler to the mounting bracket.
  • the cover forming the front spoiler and the pedestrian protection cross member can provide a smooth transition.
  • Fig. 1 in a perspective partial view from behind roughly simplifies the left side of a front end module according to the first embodiment
  • Fig. 2 is a sectional view in the sectional plane l-l of Fig. 1;
  • FIG. 3 is an enlarged partial sectional view of the front portion of the pedestrian protection cross member, -
  • FIG. 5 in a view corresponding to FIG. 1, the second embodiment
  • FIG. 6 is an enlarged side sectional view of the front end module of FIG. 6.
  • a front end module for a motor vehicle with a dash-dotted lines indicated front-end mounting bracket 1 is shown roughly schematically.
  • a cross member 5 is mounted on longitudinal struts 3, which may have, for example, an energy absorbing structure. In a pedestrian impact, it absorbs part of the impact energy.
  • the cross member 5 is according to FIG. 1 in the vehicle longitudinal direction x at the front covered by a cover 7.
  • the cover 7 forms at the same time below the cross member 5, a front spoiler 9, which extends in the vehicle transverse direction y over the entire vehicle width and is designed in cross section with a counter to the direction of travel U-shaped profile, as shown in particular in FIG ,
  • the front spoiler 9 is formed of the same material and integrally with the cover 7. Ie. the bottom-side region of the cover 7 corresponds to the front spoiler 9.
  • the front spoiler 9 can also be a separate component from the cover 7.
  • a lower U-leg of the U-shaped spoiler profile does not extend directly to the lower portion of the front-end mounting bracket 1, but is the front spoiler 9 by means of a pedestrian protection cross member 11 to Frontend mounting bracket 1 extended.
  • the pedestrian protection cross member 11 is frontally formed with a U-shaped profile raised side wall 12 which protrudes positively to reinforce the front spoiler 9 in its U-shaped open profile.
  • the U-profile-shaped raised side wall 12 of the pedestrian protection crossmember 11 has a free upper U-leg 13, at the end of a series of first connection points 14 is provided for connection to the front spoiler 9.
  • the first attachment points 14 are latching connections, as shown in FIG. Accordingly, an elastic latching hook 15 is integrally formed on the rear side of a clip channel 16 open towards the front for a ventilation grille 36 indicated in FIG. 2. According to FIG. 3, the latching hook 15 of the clip channel 16 is guided through a passage opening 17 of a latching projection 18, which is integrally formed on the upper U-leg 13 of the pedestrian protection crossmember 11.
  • a second front connection 20 is provided opposite the first connection points 14 of the free upper U-leg 13.
  • the second front connection 20 is a Form gleich Inc. Plug connection between the front spoiler 9 and the lower U-leg 19 of the pedestrian protection cross member 11.
  • the front spoiler 9 according to FIG. 3 at its lower end in a vehicle transverse direction y over substantially the entire width of the vehicle extending narrow plug-in projection 21 which in the vehicle longitudinal direction x is positively inserted into a transverse groove 22 open at the front.
  • the transverse groove 22 of the pedestrian protection cross member 11 is formed with a transverse in the vehicle transverse direction, in cross-section Z-shaped gradation, as shown in Fig. 3.
  • the gradation has a vertical transition bar 29, in which the front open transverse groove 22 is incorporated.
  • the above-described raised side wall 12 forms part of a stiffening zone 23 of the pedestrian protection cross member 11 in FIG. These extend between the two U-legs 13, 19, while the wall height is continuously reduced to zero counter to the direction of travel.
  • the stiffening walls 24 are spaced apart in the transverse direction y distributed over the entire pedestrian protection cross member 11.
  • the material thickness a- ⁇ in the stiffening zone 23 of the pedestrian protection cross member 11 between the gradation 32 and the free upper U-leg 13 in comparison to the material thickness a 2 in a subsequent to the side wall 12 deformation zone 25 of Pedestrian protection cross member 11 increases.
  • the above-mentioned deformation zone 25 adjoins the stiffening zone 23 of the pedestrian protection cross member 11 counter to the direction of travel.
  • the soft-shaped deformation zone 25 is designed substantially plate-shaped with a constant material thickness a 2 .
  • a ringlasche 26 is integrally formed as shown in FIG. 1, which is bolted to the front-end mounting bracket 1 as a soft rear connection.
  • lateral ringlaschen 27 are provided in the region of the deformation zone 25 of the pedestrian protection cross member 11, which are screwed together with the cover 7 at an indicated double attachment point 28 on the mounting bracket 1.
  • an assembly step for connecting the pedestrian protection cross member 11 is indicated on the front spoiler 9. Accordingly, in a mounting direction M of the pedestrian protection cross member 11 is inserted with its front side wall 12 in the U-shaped front spoiler 9 until the plug 21 of the front spoiler 9 is inserted in the corresponding transverse groove 22. As a result, the lower free leg of the front spoiler is automatically aligned flush with the bottom side of the pedestrian protection cross member 11. At the same time the elastic latching hook 15 comes into engagement with the corresponding latching shoulder 18 of the pedestrian protection cross member 11, whereby a total reliable connection between the cross member 11 and the front spoiler 9 is given.
  • FIG. 5 shows a front-end module according to the second exemplary embodiment.
  • the front end module has substantially identical components as the front end module shown in FIGS. 1 to 4.
  • additional stiffening ribs 35 are formed in the rear deformation zone 25 of the pedestrian protection cross member.
  • the stiffening ribs extend between the side walls 24 in the vehicle longitudinal direction x starting from the step 32 in the direction of the mounting bracket 1.
  • the stiffening ribs 35 By means of the stiffening ribs 35, the dimensional stability of the deformation zone 25 can be adjusted with respect to an accidental introduction of force.
  • the front-end mounting carrier is screwed on the back with a middle fastening strap 26 and side straps 27 on the mounting bracket 1.
  • FIG. 1 shows a front-end module according to the second exemplary embodiment.
  • the tabs 26, 27 are not formed freely releasing on the rear edge of the pedestrian protection crossmember 11. Rather extends - compared to Fig. 1 - the rear edge of the Pedestrian protection cross member 11 further to the rear and the tabs, in particular the middle tab 26 is fully integrated in the ground plane of the pedestrian protection cross member and set off from the ground level of the pedestrian protection cross member upwards for stability reasons.
  • the ventilation grille 36 is connected directly to the pedestrian protection cross member 11 via a lateral latching connection 37.
  • the dimensional stability of both the ventilation grille 36 and the pedestrian protection crossmember 11 in the vehicle transverse direction y and in the vehicle longitudinal direction x is further increased.
  • the detent connection 37 between the ventilation grille 36 and the pedestrian protection cross member 11 is shown in detail in the enlarged side sectional view of FIG. 6. Accordingly, an elastic, substantially L-shaped locking leg 39 is integrally formed on the lower region of the ventilation grille 36.
  • the locking leg 39 of the ventilation grille 36 is shown in FIG. 6 guided both by a bottom-side recess 41 of the clip channel 16 and by a detent opening 43 of the locking projection 18 of the pedestrian protection crossmember 11.
  • the locking leg 39 engages with its free end the upper edge 45 of the raised side wall 12 of the pedestrian protection crossmember 11.
  • a pressure tab 47 is formed, the securing the locking connection 37, the free end of the locking leg 39 against the pedestrian protection cross member 11 presses.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

L'invention concerne un module avant pour véhicule, notamment une automobile, comportant un support de montage avant (1)auquel est associé un support transversal de protection pour piéton (11), ainsi qu'une protection de pare-choc (7) qui constitue un becquet avant (9), qui est disposé dans le sens longitudinal du véhicule (x) devant le support transversal de protection pour piétons (11). Selon l'invention, le support transversal de protection pour piétons est monté aussi bien sur le becquet avant (9) que sur le support de montage (1).
PCT/EP2008/002102 2007-04-25 2008-03-17 Module avant pour véhicule, notamment pour automobile et procédé de montage d'un support transversal de protection pour piéton sur un module avant de ce type WO2008131829A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007019481.3 2007-04-25
DE102007019481.3A DE102007019481B4 (de) 2007-04-25 2007-04-25 Frontendmodul für ein Fahrzeug, insbesondere für ein Kraftfahrzeug

Publications (1)

Publication Number Publication Date
WO2008131829A1 true WO2008131829A1 (fr) 2008-11-06

Family

ID=39523351

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/002102 WO2008131829A1 (fr) 2007-04-25 2008-03-17 Module avant pour véhicule, notamment pour automobile et procédé de montage d'un support transversal de protection pour piéton sur un module avant de ce type

Country Status (2)

Country Link
DE (1) DE102007019481B4 (fr)
WO (1) WO2008131829A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106627322A (zh) * 2017-02-16 2017-05-10 浙江省永康市顶极进出口有限公司 游艇拖车的边部固定结构
DE102017124569B4 (de) 2017-10-20 2023-07-27 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Spoilervorrichtung für einen Frontabschnitt eines Fahrzeugs

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DE102004035435A1 (de) 2004-07-21 2006-03-16 GM Global Technology Operations, Inc., Detroit Verstärkungselement für einen unteren Bereich eines Frontstoßfängers, sowie damit augerüsteter Frontstoßfänger für ein Kraftfahrzeug
FR2952342B1 (fr) * 2009-11-12 2011-12-23 Faurecia Bloc Avant Poutre transversale avant de vehicule automobile comprenant un element de carenage arriere
DE102009058114A1 (de) 2009-12-12 2011-06-16 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verstärkungselement
DE202010011331U1 (de) * 2010-08-12 2011-11-14 Audi Ag Fußgängerschutzvorrichtung für einen unteren Stoßbereich einer Kraftfahrzeug-Frontstoßfängerverkleidung
JP5801122B2 (ja) * 2011-07-11 2015-10-28 小島プレス工業株式会社 車両用歩行者保護装置
DE102014100795B4 (de) 2013-11-19 2022-09-01 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Frontendmodul für ein Kraftfahrzeug
US10144386B2 (en) 2015-02-13 2018-12-04 Ford Global Technologies, Llc Belly pan and energy absorption system for a motor vehicle
DE102015211045B4 (de) 2015-06-16 2021-07-15 Volkswagen Aktiengesellschaft Frontendmodul für ein Kraftfahrzeug sowie Anordnung eines solchen Frontendmoduls an einem Montageträger eines Kraftfahrzeugs
DE102016214454B4 (de) * 2016-08-04 2024-06-20 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Karosseriestruktur eines Kraftfahrzeugs und Kraftfahrzeug
DE202017105235U1 (de) 2017-08-31 2017-10-26 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Vorderwagen eines Kraftfahrzeugs
FR3072925B1 (fr) * 2017-10-27 2019-09-27 Psa Automobiles Sa Dispositif d'amortissement de choc avant d'un vehicule automobile, comprenant un deflecteur d'air basculant et un amortisseur deformable fixes l'un a l''autre.
DE102017128151A1 (de) * 2017-11-28 2019-05-29 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Karosserieteilstruktur
FR3084874B1 (fr) * 2018-08-07 2020-09-18 Psa Automobiles Sa Jupe de pare-chocs avec patte a bords releves pour mise en place d’un deflecteur sous-plancher
DE102020001535A1 (de) * 2020-03-09 2021-03-25 Daimler Ag Clipsverbindung zum Verbinden eines ersten Bauteils mit einem zweiten Bauteil und eine Befestigungsanordnung
DE102023210452B4 (de) * 2023-10-24 2025-05-15 Volkswagen Aktiengesellschaft Befestigungsvorrichtung für ein Fahrzeugteil, Befestigungssystem mit einer solchen Befestigungsvorrichtung sowie Kraftfahrzeug und Verfahren zum Befestigen eines Fahrzeugteils

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DE19934141A1 (de) 1999-07-26 2001-02-01 Dynamit Nobel Kunststoff Gmbh Stoßfängerabstützung für verbesserten Fußgängerschutz bei Kraftfahrzeugen
EP1238862A2 (fr) * 2001-03-08 2002-09-11 Fuji Jukogyo Kabushiki Kaisha Structure de pare-chocs
EP1241080A2 (fr) * 2001-03-15 2002-09-18 Fuji Jukogyo Kabushiki Kaisha Structure avant de carrosserie d'un véhicule automobile
WO2002074570A1 (fr) * 2001-03-15 2002-09-26 Daimlerchrysler Ag Partie avant de vehicule comportant une unite d'absorption des chocs
DE102004007571A1 (de) 2003-12-24 2005-08-25 Volkswagen Ag Vorderwagen für ein Fahrzeug, insbesondere für ein Kraftfahrzeug
WO2006008137A1 (fr) * 2004-07-21 2006-01-26 Gm Global Technology Operations, Inc. Element de renfort pour une zone inferieure d'un pare-chocs avant et pare-chocs avant de vehicule automobile equipe d'un tel element
DE102004038893A1 (de) 2004-08-11 2006-02-23 Volkswagen Ag Frontendmodul für ein Fahrzeug, insbesondere für ein Kraftfahrzeug, und Verfahren zur Herstellung eines Frontendmoduls
US20070085356A1 (en) * 2005-10-19 2007-04-19 Kojima Press Industry Co., Ltd. Pedestrian protection apparatus, and method of tuning load characteristic of the apparatus
EP1813485A1 (fr) * 2006-01-31 2007-08-01 Mazda Motor Corporation Structure frontale d'un véhicule automobile

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106627322A (zh) * 2017-02-16 2017-05-10 浙江省永康市顶极进出口有限公司 游艇拖车的边部固定结构
DE102017124569B4 (de) 2017-10-20 2023-07-27 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Spoilervorrichtung für einen Frontabschnitt eines Fahrzeugs

Also Published As

Publication number Publication date
DE102007019481B4 (de) 2017-10-19
DE102007019481A1 (de) 2008-11-06

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