WO2006068008A1 - Pare-chocs et structure anti-choc de vehicule - Google Patents

Pare-chocs et structure anti-choc de vehicule Download PDF

Info

Publication number
WO2006068008A1
WO2006068008A1 PCT/JP2005/022855 JP2005022855W WO2006068008A1 WO 2006068008 A1 WO2006068008 A1 WO 2006068008A1 JP 2005022855 W JP2005022855 W JP 2005022855W WO 2006068008 A1 WO2006068008 A1 WO 2006068008A1
Authority
WO
WIPO (PCT)
Prior art keywords
bumper
wall portion
vehicle
hose
pair
Prior art date
Application number
PCT/JP2005/022855
Other languages
English (en)
Japanese (ja)
Inventor
Masakazu Iketo
Masao Terazawa
Shunji Mashio
Mitsutoshi Kanoh
Katsutoshi Takagi
Original Assignee
Aisin Seiki Kabushiki Kaisha
Toyota Jidosha Kabushiki Kaisha
Aisin Takaoka Co., Ltd.
Toyoda Iron Works Co., Ltd.
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 Aisin Seiki Kabushiki Kaisha, Toyota Jidosha Kabushiki Kaisha, Aisin Takaoka Co., Ltd., Toyoda Iron Works Co., Ltd. filed Critical Aisin Seiki Kabushiki Kaisha
Publication of WO2006068008A1 publication Critical patent/WO2006068008A1/fr

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/24Arrangements for mounting bumpers on vehicles
    • B60R19/26Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
    • B60R19/34Arrangements for mounting bumpers on vehicles comprising yieldable mounting means destroyed upon impact, e.g. one-shot type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
    • B60R2019/1806Structural beams therefor, e.g. shock-absorbing
    • B60R2019/1813Structural beams therefor, e.g. shock-absorbing made of metal

Definitions

  • the present invention relates to a shock absorber for a bumper and a vehicle.
  • the bumper includes a bumper inhose extending in the width direction of the vehicle, and a pair of crash boxes that are fixed to both ends of the bumper inn hose by bolts and extend in the vehicle front-rear direction.
  • These bumper-in hoses and crash boxes have a hollow structure.
  • a rearward load impact
  • the load is transmitted to the crash box as an axial compression load after the bumper hose is bent and buckled.
  • the crash box is plastically deformed in the axial direction by the transmitted load, thereby absorbing the impact energy associated with the vehicle collision. Therefore, the impact due to the vehicle collision is transmitted to the vehicle body and the occupant after being reduced by the bumper.
  • an axial compressive load acting on the crash box is basically generated after the bumper-in hose is bent and buckled during a vehicle collision. As a result, the rise of the axial compression load acting on the crash box is delayed, and the impact energy absorption efficiency is reduced.
  • Fig. 6 (a) shows the relationship between the load acting on the bumper rein hose (cross-section buckling load) and the stroke (deformation amount) of the bumper rein hose. ) Shows the relationship between the load acting on the crash box (axial compression load) and the stroke (deformation amount) of the crash box.
  • Fig. 6 (a) shows the characteristics of the vannori hose alone
  • Fig. 6 (b) shows the characteristics of the crash box alone.
  • Fig. 6 (c) shows the relationship between the load acting on the bumper including these bumper-in hoses and crush boxes and the striker (deformation amount) of the bumper.
  • the cylindrical bumper inhose having a closed cross-sectional structure is Bending deformation until buckling start load Fl, and then buckling.
  • the crash box starts buckling deformation when the axial compression load acting on the crash box reaches the buckling start load F2, and then continuously in a bellows shape. Repeat buckling deformation.
  • the axial compression load when the crash box repeats buckling deformation changes at a relatively large value with respect to the load F1 when the pan-palliin hose starts buckling deformation.
  • the above-described bumper is configured by attaching a cylindrical bumper line hose having a closed cross-sectional structure to the ends of a pair of crash boxes. Therefore, the bumper inhose projects forward from the tip of the crash box by the width in the longitudinal direction of the vehicle. This also leads to an increase in the mounting space of the pump against the vehicle.
  • Patent Document 1 JP 2002-188673 A
  • An object of the present invention is to provide a bumper and a vehicle shock absorbing structure that can suppress an increase in mounting space and can efficiently absorb a shock caused by a vehicle collision.
  • the present invention provides a bumper inhose extending in the vehicle width direction, and a pair of hollow shapes extending in the front-rear direction of the vehicle fixed to both ends of the bumper inhose.
  • Bamba with a crash box.
  • the bumper-in hose has a plate shape, and is bent with respect to the main wall portion so as to extend from the upper and lower ends of the main wall portion toward the front or rear of the vehicle, respectively.
  • the tip of each crash box is covered with the main wall and fixed to the bumper inn hose while being sandwiched between the pair of opposing walls. It is.
  • the impact when an impact along the vehicle longitudinal direction is applied to the bumper hose due to a vehicle collision, the impact immediately follows the front and rear of the vehicle after the plate-like bumper in hose is slightly bent. It is transmitted to the crash box as a load in the direction (axial compression load). In other words, the axial compression load acting on the crash box rises immediately after the bumper inn hose is bent. As a result, the crash box is quickly plastically deformed in the axial direction (the longitudinal direction of the vehicle) by the transmitted load, and absorbs the impact energy accompanying the vehicle collision.
  • the crash box to the bumper inn hose while being sandwiched between a pair of opposing walls, the length of the crash box in the longitudinal direction of the vehicle is secured as much as possible, It is possible to suppress an increase in the mounting space of the pump against the vehicle.
  • the bumper inhose has a pair of opposing wall portions bent with respect to the main wall portion.
  • the cross-sectional second moment is increased.
  • a load axial compression load
  • the crash box on the anti-collision side fixed to the other end of the bumper inhose is pulled through the vannoin hose.
  • the moment of inertia of the bumper rein hose is increased, the force S acting on the crash box on the side of the collision is acting on the crash box.
  • the crash box on the collision side is pulled in the axial direction.
  • the bumper-in hose is bent with respect to the corresponding opposing wall portion so as to extend in directions opposite to each other from the tips of the pair of opposing wall portions. It has a flange wall. [0014]
  • the flange wall portion further increases the cross-sectional second moment of the vanno-hose. Therefore, at the time of the offset collision described above, it is more preferable to prevent the joint between the crash box on the anti-collision side and the bumper hose and the joint between the crash box on the anti-collision side and the vehicle body (side member, etc.). can do.
  • Each of the crash boxes has an upper wall portion and a lower wall portion facing each other, and a corner portion between the pair of opposed wall portions and the flange wall portion corresponding thereto corresponds to the upper wall portion and the lower wall portion, respectively. It may be welded to the lower wall portion.
  • the bumper inhose is directly fixed to the crash box without using a separate part such as a fixture, so the number of parts can be reduced.
  • each of the crash boxes has an opening at the tip thereof, and a lid is fixed to each of the crash boxes so as to close the opening.
  • the main wall portion is fastened to the lid using bolts and nuts, whereby the bumper hose is fixed to the crash boxes.
  • each of the crash boxes has an upper wall portion and a lower wall portion facing each other, and the pair of opposed wall portions are bolts and nuts on the upper wall portion and the lower wall portion, respectively. It is concluded using.
  • the present invention also provides a vehicle in which a pair of hollow crush boxes are disposed between both ends of a bumper inhose extending in the width direction of the vehicle and a pair of side members extending in the front-rear direction of the vehicle.
  • a bumper-in hose has a plate shape and is bent with respect to the main wall portion so as to extend in the vertical direction from the upper and lower ends of the main wall portion toward the front or rear of the vehicle.
  • a pair of opposing wall portions The tip of each crash box is fixed to the bumper inn hose while being covered by the main wall and sandwiched between the pair of opposing walls.
  • FIG. 1 is a perspective view showing an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view taken along line 2-2 in FIG.
  • FIG. 3 (a), (b), and (c) are graphs showing the relationship between load and stroke, respectively.
  • FIG. 4 is a cross-sectional view showing a modified example of the present invention.
  • FIG. 5 is a cross-sectional view showing a modified example of the present invention.
  • FIG. 6 (a), (b), and (c) are graphs showing the relationship between the load and the stroke in the conventional example, respectively.
  • FIG. 1 is a perspective view schematically showing a left side portion of a front portion of a vehicle or the like to which the present invention is applied, such as an automobile, and FIG. 2 is a line 2-2 in FIG. FIG.
  • the front part of the vehicle is symmetrical, and the right part of the front part has the same shape as the left part shown in FIG.
  • the front portion includes a bumper frame 11 that forms a skeleton of a bumper, and a pair of side members 12 that extend in the front-rear direction of the vehicle and constitute a part of the vehicle body (left side) Only the side member 12 is shown).
  • the bumper frame 11 includes a bumper inhose 16 extending in the vehicle width direction and a pair of crash boxes 17 (only the left crash box 17 is shown).
  • the bumper-in hose 16 is formed by bending a plate material made of, for example, a metal material (iron or the like). (In the width direction) has a substantially constant cross-sectional shape.
  • the vanno-in hose 16 has an open cross-sectional structure. That is, the bumper hose 16 includes a main wall portion 16a extending in the vertical direction, a pair of substantially horizontal opposing wall portions 16b and 16c extending continuously from the upper end and the lower end of the main wall portion 16a, and the opposing wall portions. It has flange walls 16d and 16e which are almost vertical extending continuously from the tips of 16b and 16c.
  • the opposing wall portions 16b and 16c are bent with respect to the main wall portion 16a so as to extend from the upper end and lower end of the main wall portion 16a toward the rear of the vehicle.
  • the flange wall portions 16d and 16e are bent with respect to the corresponding opposing wall portions 16b and 16c so as to extend in directions opposite to each other from the front ends of the corresponding opposing wall portions 16b and 16c.
  • the pair of crash boxes 17 are arranged between both longitudinal ends of the bumper-in hose 16 and the corresponding side members 12. Specifically, as shown in FIG. 2, each of the crash boxes 17 extends in the front-rear direction of the vehicle and has a rectangular cross section. It has a hollow structure.
  • the opening at the tip of the crash box 17 is closed by a lid 21.
  • the lid 21 is formed into a channel shape in cross section by bending a plate made of, for example, a metal material (iron or the like).
  • the lid 21 is substantially closed from the closed wall 21a and the upper and lower ends of the closed wall 21a.
  • the lid body 21 is provided with a plurality of weld nuts 22 welded to the rear surface (inner side surface) of the blocking wall portion 21a.
  • Each of the crash boxes 17 is configured such that the front surface (outer surface) of the lid body 21, more specifically, the front surface (outer surface) of the blocking wall portion 2la abuts the rear surface (inner surface) of the main wall portion 16a. And sandwiched between the pair of opposing wall portions 16b and 16c. Therefore, the front end of the crash box 17 is covered with the lid body 21 and the main wall portion 16a. Fastening bolts 23 that pass through the main wall portion 16a and the blocking wall portion 21a from the front of the vehicle are screwed into the weld nuts 22 and tightened to fix the bumper-in hose 16 to the crash box 17. ing.
  • a bracket 18 is fixed to the rear end of each crash box 17 by welding.
  • each of the side members 12 has a rectangular tube shape and extends so that its axis substantially coincides with the axis of the corresponding crash bot 17.
  • a bracket 19 facing the bracket 18 of the crash box 17 is provided at the front end of each side member 12.
  • a plurality of weld nuts 24 are welded to the rear surface of the bracket 19.
  • Fastening bolts 25 penetrating the brackets 18 and 19 from the front of the vehicle are screwed into the weld nuts 24 and tightened, whereby each crash box 17 is fixed to the corresponding side member 12.
  • the bumper frame 11 is fixed to the vehicle body by fastening the bracket 18 of the crash box 17 and the bracket 19 of the side member 12 to each other.
  • FIG. 3 (a) shows the relationship between the load (bending load) acting on the bumper rein hose 16 and the stroke (deformation amount) of the bumper rein hose 16
  • FIG. 3 (b) Indicates the relationship between the load acting on the crash box 17 (axial compression load) and the stroke of the crash box 17 (deformation amount).
  • Fig. 3 (a) shows the characteristics of the bumper inn hose 16 alone
  • Fig. 3 (b) shows the characteristics of the crash box 17 alone.
  • FIG. 3 (c) shows the relationship between the load acting on the bumper including the bumper rein hose 16 and the crash box 17 and the stroke (deformation amount) of the bumper.
  • the plate-like bumper rein hose 16 has a crush box 17 force S compared to the load required to start buckling deformation (buckling start load) F2. It bends and buckles with a sufficiently small load F1.
  • the crash bot 17 starts buckling deformation when the axial compressive load acting on the crash box 17 reaches the buckling start load F2, and then the bellows-like shape. Repeated buckling deformation continuously.
  • the axial compressive load when the crash box 17 repeats buckling deformation changes at a sufficiently large value as compared with the load F1 required for plastic deformation of the bumper inhose 16.
  • the entire bumper including the bumper rein hose 16 and the crash bots 17 has a load acting on the pampa so that the plastic force in the bumper rein hose 16 is reduced.
  • the deformation (see the two-dot chain line in FIG. 3 (c)) can be substantially ignored, and quickly rises up to the buckling start load F2. Therefore, the crash box 17 starts buckling deformation immediately after the vehicle collision. This becomes clearer by comparing the characteristics of the present embodiment shown by the solid line in Fig. 3 (c) with the characteristics of the conventional example shown by the broken line (see Fig. 6 (c)). .
  • the crash box 17 repeats the buckling deformation in the axial direction, thereby quickly absorbing the impact energy accompanying the vehicle collision. Therefore, the impact due to the vehicle collision is transmitted to the vehicle body and the occupant after being reduced by the bumper.
  • this embodiment has the following advantages.
  • the axial compression load acting on the crash box 17 rises immediately after the bumper-in hose 16 is bent. This allows you to The shbox 17 can quickly plastically deform in the axial direction (front-rear direction of the vehicle) by the transmitted load, and can efficiently absorb the impact energy accompanying the vehicle collision.
  • the crash box 17 In order to increase the impact energy absorption capability of the crash box 17, it is desirable that the crash box 17 is longer.
  • the increase in the length of the crash box 17 increases the mounting space of the pump for the vehicle.
  • the crash box 17 in the present embodiment, the crash box 17 is fixed to the bumper hose 16 while being sandwiched between the pair of opposed wall portions 16b and 16c. Therefore, the length of the crash box 17 in the front-rear direction of the vehicle can be increased by the amount that the crash box 17 is inserted into the vannori hose 16 without increasing the mounting space of the bamba with respect to the vehicle.
  • the bumper reinhose 16 has a second moment of inertia increased by a pair of opposing wall portions 16b and 16c bent with respect to the main wall portion 16a.
  • the sectional moment of the bumper inhose 16 is further increased by the flange wall portions 16d and 16e bent with respect to the opposing wall portions 16b and 16c.
  • only one crash box 17 fixed to one end of the bumper inhose 16 can exert a force (axial compressive load) in the longitudinal direction of the vehicle. Assume that significant plastic deformation occurs.
  • the crash box 17 on the anti-collision side fixed to the other end of the bumper-in hose 16 is pulled through the bumper-in hose 16.
  • the increased moment of inertia of the bumper reinhose 16 prevents the load that tries to collapse the crash box 17 on the anti-collision side from acting on the crash box 17.
  • the crash box 17 on the anti-collision side is pulled in the axial direction. Therefore, it is possible to suppress breakage of the joint between the crash box 17 on the anti-collision side and the bumper in-hose 16 and the joint between the crash box 17 on the anti-collision side and the side member 12 described above. That is, it is possible to prevent the crash box 17 on the anti-collision side from coming off the bumper inhose 16 or the vehicle body force due to the offset collision.
  • the lid 21 may be omitted, and weld nuts 31 may be welded to the inner side surfaces of the tip end portions of the upper wall portion 17a and the lower wall portion 17b of the crash box 17, respectively.
  • the fastening bolt 32 penetrating the upper opposing wall portion 16b and the upper wall portion 17a from above is screwed and tightened to the corresponding wall nut 31, and the lower opposing wall portion 16c and lower wall are tightened.
  • the fastening bolt 33 that penetrates the portion 17b from below is screwed into the corresponding weld nut 31 and tightened, so that the bumper-in hose 16 and the crash box 17 can be fixed to each other.
  • the bumper-in hose 16 is directly fixed to the crash box 17 without any other parts such as the lid 21 (mounting tool), so that the number of parts can be reduced by lj.
  • the corner portion between the upper facing wall portion 16b and the flange wall portion 16d is welded to the upper wall portion 17a, and the lower facing wall portion 16c and the flange are welded.
  • the corner portion between the wall portion 16e and the lower wall portion 17b may be welded so that the bumper inhose 16 and the crash box 17 are fixed to each other.
  • the symbol W shown in FIG. Even in this case, the bumper inhose 16 is directly fixed to the crash box 17 without using another part such as the lid 21 (mounting tool), so that the number of parts can be reduced.
  • the cross-sectional shape of the illustrated bumper-in hose 16 is an example, and may be changed as appropriate.
  • the flange wall portions 16d and 16e may be omitted if a sufficient moment of inertia of the cross section is secured.
  • ribs extending along the longitudinal direction of the main wall portion 16a that increases the moment of inertia of the cross section. (Concave or convex) may be formed.
  • the cross-sectional shape of the illustrated crash box 17 is an example, and may be changed as appropriate.
  • a crush box having a cross-shaped partition wall inside a hollow cylinder having a square cross section, a flat plate partition wall, or two or more flat partition walls parallel to each other may be adopted. Good.
  • the bumper-in hose 16 or the crash box 17 may be formed of an aluminum alloy material.
  • the bumper-in hose 16 or the crush box 17 may be manufactured by extrusion molding.
  • the bumper-in hose 16 or the crash box 17 may be formed of other materials such as a magnesium alloy material.
  • the coupling mode of the crash box 17 and the side member 12 shown in the figure is an example, and can be changed as appropriate.
  • the present invention may be applied not only to a pumper at a front portion of a vehicle but also to a pumper at a rear portion of a vehicle.
  • the pair of opposing wall portions 16b and 16c are bent with respect to the main wall portion 16a so as to extend from the upper end and the lower end of the main wall portion 16a toward the front of the vehicle.

Landscapes

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

Abstract

La présente invention décrit un pare-chocs et une structure anti-choc de véhicule. Le pare-chocs comprend un cadre de pare-chocs (11) comportant un tuyau de renforcement de pare-chocs (16) s’étendant dans la direction latérale du véhicule et une paire de boîtes déformables creuses (17) fixées aux deux extrémités du tuyau de renforcement de pare-chocs et s’étendant dans la direction longitudinale du véhicule. Le tuyau de renforcement de pare-chocs a la forme d’une plaque et comprend une partie de paroi principale (16a) s’étendant dans la direction verticale et une paire de parties de paroi opposées (16b, 16c) cintrées par rapport à la partie de paroi principale afin de s’étendre des extrémités supérieure et inférieure de la partie de paroi principale à l’arrière du véhicule. L’extrémité de chaque boîte déformable est recouverte par la partie de paroi principale et fixée au tuyau de renforcement de pare-chocs dans l’état dans lequel elle est maintenue entre la paire de parties de paroi opposées.
PCT/JP2005/022855 2004-12-24 2005-12-13 Pare-chocs et structure anti-choc de vehicule WO2006068008A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004-374359 2004-12-24
JP2004374359A JP2006176093A (ja) 2004-12-24 2004-12-24 バンパ及び車両の衝撃吸収構造

Publications (1)

Publication Number Publication Date
WO2006068008A1 true WO2006068008A1 (fr) 2006-06-29

Family

ID=36601609

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2005/022855 WO2006068008A1 (fr) 2004-12-24 2005-12-13 Pare-chocs et structure anti-choc de vehicule

Country Status (2)

Country Link
JP (1) JP2006176093A (fr)
WO (1) WO2006068008A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2909948A1 (fr) * 2006-12-14 2008-06-20 Peugeot Citroen Automobiles Sa Dispositif d'absorption d'energie pour vehicule automobile
WO2010058467A1 (fr) * 2008-11-20 2010-05-27 トヨタ自動車株式会社 Structure de carrosserie de véhicule et pare-chocs de véhicule
WO2014030592A1 (fr) * 2012-08-21 2014-02-27 新日鐵住金株式会社 Boîte de collision et caisse d'automobile
WO2014097398A1 (fr) * 2012-12-18 2014-06-26 トヨタ自動車株式会社 Structure pour partie terminale de véhicule
EP3686065A1 (fr) * 2019-01-25 2020-07-29 Toyota Jidosha Kabushiki Kaisha Structure de véhicule

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1871065A1 (fr) 2006-06-19 2007-12-26 Nederlandse Organisatie voor Toegepast-Natuuurwetenschappelijk Onderzoek TNO Procédés, dispositif et système pour le contrôle d'accès à un réseau
JP5852403B2 (ja) 2011-10-21 2016-02-03 アイシン精機株式会社 車両用バンパ装置及び該車両用バンパ装置に適用されるクラッシュボックス
JP5864217B2 (ja) 2011-11-04 2016-02-17 アイシン精機株式会社 バンパ補強材

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6158146U (fr) * 1984-09-25 1986-04-18
JPH0455441U (fr) * 1990-09-19 1992-05-12
JPH0580976U (ja) * 1992-03-31 1993-11-02 日産自動車株式会社 車両のメンバ結合構造
JPH0995189A (ja) * 1995-09-29 1997-04-08 Toyota Auto Body Co Ltd バンパーリインフォースメント構造
JP2000344029A (ja) * 1999-06-08 2000-12-12 Tokai Rubber Ind Ltd バンパー取付け構造
JP2001047952A (ja) * 1999-08-06 2001-02-20 Katayama Kogyo Co Ltd 衝撃エネルギー吸収装置及び当該衝撃エネルギー吸収装置を用いた車両用バンパ装置
JP2002356134A (ja) * 2001-05-31 2002-12-10 Mitsubishi Motors Corp 車両のバンパ取付構造
WO2003080398A1 (fr) * 2002-03-26 2003-10-02 Valeo Thermique Moteur Poutre pare-chocs avec absorbeur d'energie pour vehicule automobile

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6158146U (fr) * 1984-09-25 1986-04-18
JPH0455441U (fr) * 1990-09-19 1992-05-12
JPH0580976U (ja) * 1992-03-31 1993-11-02 日産自動車株式会社 車両のメンバ結合構造
JPH0995189A (ja) * 1995-09-29 1997-04-08 Toyota Auto Body Co Ltd バンパーリインフォースメント構造
JP2000344029A (ja) * 1999-06-08 2000-12-12 Tokai Rubber Ind Ltd バンパー取付け構造
JP2001047952A (ja) * 1999-08-06 2001-02-20 Katayama Kogyo Co Ltd 衝撃エネルギー吸収装置及び当該衝撃エネルギー吸収装置を用いた車両用バンパ装置
JP2002356134A (ja) * 2001-05-31 2002-12-10 Mitsubishi Motors Corp 車両のバンパ取付構造
WO2003080398A1 (fr) * 2002-03-26 2003-10-02 Valeo Thermique Moteur Poutre pare-chocs avec absorbeur d'energie pour vehicule automobile

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2909948A1 (fr) * 2006-12-14 2008-06-20 Peugeot Citroen Automobiles Sa Dispositif d'absorption d'energie pour vehicule automobile
WO2010058467A1 (fr) * 2008-11-20 2010-05-27 トヨタ自動車株式会社 Structure de carrosserie de véhicule et pare-chocs de véhicule
WO2014030592A1 (fr) * 2012-08-21 2014-02-27 新日鐵住金株式会社 Boîte de collision et caisse d'automobile
JPWO2014030592A1 (ja) * 2012-08-21 2016-07-28 新日鐵住金株式会社 クラッシュボックス及び自動車車体
WO2014097398A1 (fr) * 2012-12-18 2014-06-26 トヨタ自動車株式会社 Structure pour partie terminale de véhicule
EP2937249A4 (fr) * 2012-12-18 2016-01-20 Toyota Motor Co Ltd Structure pour partie terminale de véhicule
US9290140B2 (en) 2012-12-18 2016-03-22 Toyota Jidosha Kabushiki Kaisha Vehicle end section structure
JP5920486B2 (ja) * 2012-12-18 2016-05-25 トヨタ自動車株式会社 車両端部構造
EP3686065A1 (fr) * 2019-01-25 2020-07-29 Toyota Jidosha Kabushiki Kaisha Structure de véhicule
CN111483420A (zh) * 2019-01-25 2020-08-04 丰田自动车株式会社 车辆的结构
US11040679B2 (en) 2019-01-25 2021-06-22 Toyota Jidosha Kabushiki Kaisha Structure of vehicle
CN111483420B (zh) * 2019-01-25 2023-06-06 丰田自动车株式会社 车辆的结构

Also Published As

Publication number Publication date
JP2006176093A (ja) 2006-07-06

Similar Documents

Publication Publication Date Title
US6502874B2 (en) Coupling structure of shock transmitting member and shock absorbing member, and bumper
WO2006068008A1 (fr) Pare-chocs et structure anti-choc de vehicule
JP4818655B2 (ja) 衝撃吸収部材
JP5078597B2 (ja) 衝撃吸収構造
JP4483826B2 (ja) バンパ取付部構造
JP2001253370A (ja) 自動車の車体後部構造
JP5177397B2 (ja) バンパー構造体
JP2006015859A (ja) 車両の前部車体構造
WO2012140809A1 (fr) Structure de fixation de support de pare-chocs et élément de transmission de charge
JP5236916B2 (ja) 車両用バンパ装置
JP6988347B2 (ja) 車体下部構造
JP4856740B2 (ja) 車体前部構造
JP5195657B2 (ja) バンパカバー支持構造
KR100775806B1 (ko) 차량용 크래쉬 박스
JP4687138B2 (ja) 車両前部構造
JP4087636B2 (ja) バンパ装置
JP4413650B2 (ja) 自動車用フレーム材の結合構造
JP6575317B2 (ja) 車両前部構造
JP4174637B2 (ja) 自動車のエネルギー吸収構造
JP2018154305A (ja) 車両前部構造
JP5151495B2 (ja) 自動車のフードストッパ構造
JP2005067527A (ja) 自動車用バンパ装置
JP2007008346A (ja) 車両後部構造
JP3577431B2 (ja) 車両用バンパ装置
JP4297810B2 (ja) バンパーステイ及びバンパー構造体

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KM KN KP KR KZ LC LK LR LS LT LU LV LY MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU LV MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 05816734

Country of ref document: EP

Kind code of ref document: A1

WWW Wipo information: withdrawn in national office

Ref document number: 5816734

Country of ref document: EP