[go: up one dir, main page]

WO2008126730A1 - Caisson d'impact de porte de voiture - Google Patents

Caisson d'impact de porte de voiture Download PDF

Info

Publication number
WO2008126730A1
WO2008126730A1 PCT/JP2008/056507 JP2008056507W WO2008126730A1 WO 2008126730 A1 WO2008126730 A1 WO 2008126730A1 JP 2008056507 W JP2008056507 W JP 2008056507W WO 2008126730 A1 WO2008126730 A1 WO 2008126730A1
Authority
WO
WIPO (PCT)
Prior art keywords
door impact
bead
impact beam
deformation
opening
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.)
Ceased
Application number
PCT/JP2008/056507
Other languages
English (en)
Japanese (ja)
Inventor
Takeo Mori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Publication of WO2008126730A1 publication Critical patent/WO2008126730A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/042—Reinforcement elements
    • B60J5/0422—Elongated type elements, e.g. beams, cables, belts or wires
    • B60J5/0438—Elongated type elements, e.g. beams, cables, belts or wires characterised by the type of elongated elements
    • B60J5/0443—Beams
    • B60J5/0444—Beams characterised by a special cross section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/042—Reinforcement elements
    • B60J5/0422—Elongated type elements, e.g. beams, cables, belts or wires
    • B60J5/0438—Elongated type elements, e.g. beams, cables, belts or wires characterised by the type of elongated elements
    • B60J5/0443—Beams
    • B60J5/0445—Beams formed of several elements arranged in series
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/042—Reinforcement elements
    • B60J5/0422—Elongated type elements, e.g. beams, cables, belts or wires
    • B60J5/0438—Elongated type elements, e.g. beams, cables, belts or wires characterised by the type of elongated elements
    • B60J5/0443—Beams
    • B60J5/0447—Beams formed of several elements arranged in parallel

Definitions

  • the present invention is related to a door impact beam provided inside a vehicle door.
  • Patent Document 1 Patent Document 1, Patent Document 20. 0 3— 9 4 9 4 3).
  • the door impact beam is formed in a corrugated shape with flat portions and protrusions alternately arranged in parallel at a predetermined pitch, so that a collision load is input from the side of the vehicle and the door impact beam is deformed by bending.
  • the cross-sectional shape is easily deformed. Therefore, in the above-mentioned door impact beam, the buckling strength (rigidity) may be reduced due to the deformation of the cross-sectional shape at the time of a side collision or the like. This tendency is particularly strong near the center in the longitudinal direction of the door impact beam.
  • the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a door impact beam that can increase the buckling strength against an input load.
  • a door impact beam according to the present invention is a door impact beam extending in a vehicle front-rear direction inside a vehicle door, the beam member having a bead formed in an open cross-sectional shape, and the longitudinal direction of the beam member It is provided at the approximate center of the direction and a load is applied from the outside. And a deformation suppressing member that suppresses deformation of the open cross-sectional shape of the bead when pressed.
  • the deformation suppressing member that suppresses the deformation of the bead with respect to the load input from the outside is provided near the central portion in the longitudinal direction of the beam member, for example, the side collision When a collision load is input from the side surface, the deformation of the cross-sectional shape of the bead having an open cross-sectional shape can be effectively suppressed. Therefore, the buckling strength of the door impact beam can be increased.
  • the deformation suppressing member is preferably provided so as to close the opening of the bead. In this case, it is possible to suppress deformation of the cross-sectional shape of the bead by closing the opening of the bead having an open cross-sectional shape.
  • the deformation suppressing member is provided between the flanges formed at both ends of the bead opening.
  • the deformation suppressing member since the flanges formed at the end portions of the beads are coupled by the deformation suppressing member, it is possible to suppress deformation of the bead in the opening direction when a load is input.
  • the weakening portion is formed in the deformation suppressing member. In this way, the buckling strength of the door impact beam can be easily adjusted by changing the size and shape of the fragile portion.
  • the beam member has a plurality of beads formed in parallel to each other, and the deformation suppressing member is provided between adjacent beads. In this case, since the deformation suppressing member is provided between the adjacent beads, it is possible to suppress the deformation between the beads when the load is input.
  • the deformation suppressing member is preferably an elastic member. In this way, the buckling strength of the door impact beam can be easily adjusted by adjusting the elasticity of the deformation suppressing member. Further, the deformation suppressing member is preferably made of a highly rigid resin. In this way, for example, the shape and size of the deformation suppressing member can be set appropriately and easily by injection molding the deformation suppressing member.
  • the deformation suppressing member that suppresses the deformation of the open cross-sectional shape of the bead when a load is input from the outside is provided, the buckling strength of the door impact beam against the input load can be increased. It becomes possible.
  • FIG. 1 is a perspective view showing a door impact beam according to the first embodiment.
  • FIG. 2 is a sectional view taken along line I I-I I in FIG.
  • FIG. 3 is a perspective view showing an anti-opening reinforcement.
  • Fig. 4 is a cross-sectional view showing the shape change of the door impact beam before and after the load is input.
  • FIG. 5 is a perspective view showing a door impact beam according to the second embodiment.
  • FIG. 6 is a cross-sectional view taken along the line V I—V I of FIG.
  • FIG. 1 is a perspective view showing the door impact beam 1.
  • FIG. 2 is a sectional view taken along line II-II in FIG. Figure 3 shows the opening prevention phosphorus It is a perspective view which shows a force.
  • the forward direction when the vehicle is moving forward is defined as “front”, and terms such as front and rear, left and right, and up and down are used.
  • the door impact beam 1 is a catching member that extends in the vehicle front-rear direction between an outer panel and an inner panel constituting a vehicle door, and disperses and absorbs a load input at the time of a side collision or the like. Therefore, the door impact beam 1 has a beam member 10 having two beads 1 1 and 1 2 formed in the longitudinal direction of the door impact beam 1 and prevents the opening of the beads 1 1 and 1 2 from being deformed in the opening direction.
  • the reinforcement 20 is configured to include a closing spacer 30 that suppresses deformation between the bead 11 and the bead 12 in the closing direction.
  • the door impact beam 1 is attached to the vehicle door by welding or the like at both ends in the longitudinal direction.
  • the beam member 10 is a reinforcing member formed by, for example, pressing a steel plate, and has a substantially U-shaped (open sectional shape) bead 1 1, 1 2, bead 1 1, and bead 1 2 Are formed in a so-called corrugated plate shape.
  • the bead 11 and the bead 12 are formed to extend in the longitudinal direction of the beam member 10 in parallel with each other.
  • a flange 1 1 a is formed at the upper end of the beam member 10, that is, the upper end of the bead 1 1, and a flange 1 2 a is formed at the lower end of the beam member 10, that is, the lower end of the bead 1 2.
  • the opening prevention reinforcement 20 includes a flange 1 1 a formed at the upper end of the bead 1 1 and a flange 1 2 a formed at the lower end of the bead 1 2 at the longitudinal center of the door impact beam 1. This is a reinforcing member that suppresses deformation of the beads 1 1 and 1 2 in the opening direction when a load is input by connecting the beads 1 1 and 1 1 2. .
  • the opening prevention reinforcement 20 is, for example, a plate-like member formed by pressing a steel plate. As shown in FIG. 2, elliptical reduction holes 20 a are arranged at predetermined intervals in the longitudinal direction. Three are formed across.
  • the mitigating hole 20 0 a is formed in the weak part described in the claims. Equivalent to.
  • the shape, size, number, etc. of the mitigating holes 20a are appropriately set in consideration of the strength, weight, etc. required for the anti-opening reinforcement 20. Needless to say, the form is not limited.
  • the opening prevention reinforcement 20 has a caulking portion 20 b on each of the upper end and the lower end thereof, and the upper and lower caulking portions 20 b are caulked to the flange 1 1 a and the flange 1 2 a. Opening reinforcement 20 is coupled to beam member 10 (bead 1 1, bead 1 2). Adhesive 22 is applied between the caulking portions 1 1 a, 1 2 a and the flat portion 1 3 of the beam member 10 and the flattening prevention reinforcement 20 so that, in addition to caulking, adhesion The opening prevention reinforcement 20 is coupled to the beam member 10 by the agent 22.
  • the anti-closing spacer 30 is inserted between the bead 1 1 and the bead 1 2 in the longitudinal center of the door impact beam 1 so that the bead 1 1 and the bead 1 2 are closed. It is a reinforcing member that suppresses deformation.
  • the closing prevention spacer 30 is a member having a substantially U-shaped cross section formed by, for example, pressing a steel plate (see FIG. 2). Each of the opening prevention reinforcement 20 and the closing prevention spacer 30 functions as a deformation suppressing member described in the claims.
  • the right direction of the drawing (the direction of the white arrow)
  • the opening of the beads 1 1 and 1 2 is deformed in the opening direction and the bead 1 1 and the bead 1 2 are deformed in the closing direction.
  • the solid line indicates the cross-sectional shape of the door impact beam before the collision load is input
  • the alternate long and short dash line indicates the cross-sectional shape after the collision load is input.
  • the opening prevention reinforcement 20 and the closing prevention spacer 30 that suppress deformation of the beads 11 and 12 with respect to a load input from the outside are provided with the beam member 1.
  • the magnitude of the bending load generated in the door impact beam 1 when a collision load is input is the center in the longitudinal direction of the door impact beam 1.
  • the opening prevention reinforcement 20 and the closing prevention spacer 30 are provided at the center in the longitudinal direction of the beam member 10, and the deformation of the beads 11, 12 is prevented. Since it can be effectively suppressed, the opening prevention reinforcement 20 and the closing prevention spacer 30 can be made smaller and lighter.
  • the buckling strength of the door impact beam 1 can be easily adjusted by changing the size, shape, number, etc. of the reduction holes 20a.
  • FIG. 5 is a perspective view showing the door impact beam 2.
  • FIG. 6 is a cross-sectional view taken along the line V I—V I of FIG.
  • the door impact beam 2 according to the second embodiment has a plate-like opening prevention reinforcement 20 formed by pressing a steel plate as described above, and is formed by pressing a steel plate in the same manner.
  • a deformation prevention member 40 having a substantially trapezoidal cross section formed of a highly rigid foamed resin is used.
  • the deformation preventing member 40 corresponds to the deformation suppressing member described in the claims.
  • the deformation preventing member 40 includes a flange 1 1 a formed at the upper end of the bead 1 1 and a flange 1 2 a formed at the lower end of the bead 1 2 in the longitudinal center of the door impact beam 1. Cover (ie, bead 1 1 and bead 1 2 open side) and fill between bead 1 1 and bead 1 2 so that when a load is applied, bead 1 1, 1 2 This is a reinforcing member that suppresses deformation in the direction in which the opening of the bead opens, and also prevents deformation in the direction in which the bead 11 and bead 12 are closed.
  • the deformation preventing member 40 is formed by, for example, induction molding of a highly rigid foamed resin.
  • the deformation preventing member 40 can prevent the opening of the beads 11 and 12 from being deformed in the opening direction.
  • the deformation between the bead 1 1 and the bead 1 2 is suppressed in the closing direction.
  • a bead 1 1, 1 2 is provided because the deformation preventing member 40 that suppresses the deformation of 1, 1 2 is provided at the center in the longitudinal direction of the beam member 10. It is possible to effectively suppress deformation of the cross-sectional shape (opening deformation and closing deformation). Therefore, the buckling strength of the door impact beam 1 can be increased.
  • the buckling strength of the door impact beam 2 can be easily adjusted by adjusting the elasticity of the deformation preventing member 40.
  • the shape and size of the deformation preventing member 40 can be set appropriately and easily.
  • the number of beads formed on the beam member 10 is 2, but the number of beads is not limited to this.
  • the shape, size, arrangement, and the like of the opening prevention reinforcement 20, the closing prevention spacer 30, and the deformation prevention member 40 are not limited to the above embodiment.
  • the present invention relates to a door impact beam that extends in the vehicle longitudinal direction inside a vehicle door, and includes a beam member having a bead formed in an open cross-sectional shape, and a substantially central portion in the longitudinal direction of the beam member. And a deformation suppressing member that suppresses deformation of the cut surface shape of the bead when an external load is input, so that the buckling strength against the input load of the door integral beam can be increased. Become.

Landscapes

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

Abstract

L'invention concerne un caisson d'impact de porte de voiture capable d'augmenter la résistance au gauchissement sur impact. Le caisson d'impact de porte de voiture (1) comporte un élément de poutre (10) muni de deux nervures (11 et 12) formées dans sa direction longitudinale ; d'un renforcement anti-ouverture (20) destiné à supprimer la déformation de l'ouverture des nervures dans la direction d'ouverture ; et d'un écarteur anti-fermeture (30) pour supprimer la déformation des deux nervures (11 et 12) dans la direction de fermeture.
PCT/JP2008/056507 2007-04-06 2008-03-26 Caisson d'impact de porte de voiture Ceased WO2008126730A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-100829 2007-04-06
JP2007100829A JP2008254660A (ja) 2007-04-06 2007-04-06 ドアインパクトビーム

Publications (1)

Publication Number Publication Date
WO2008126730A1 true WO2008126730A1 (fr) 2008-10-23

Family

ID=39863834

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/056507 Ceased WO2008126730A1 (fr) 2007-04-06 2008-03-26 Caisson d'impact de porte de voiture

Country Status (2)

Country Link
JP (1) JP2008254660A (fr)
WO (1) WO2008126730A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5428797B2 (ja) * 2008-12-08 2014-02-26 トヨタ自動車株式会社 車体下部構造
AU2012365311A1 (en) * 2012-01-11 2014-07-24 Toyota Jidosha Kabushiki Kaisha Structure for vehicle side door
JP2023179132A (ja) 2022-06-07 2023-12-19 株式会社Subaru ドアインパクトビーム

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56163013U (fr) * 1980-05-07 1981-12-03
US4796946A (en) * 1987-09-04 1989-01-10 Inland Steel Company Automotive vehicle door and bar reinforcement
JPH06171441A (ja) * 1992-10-09 1994-06-21 Nkk Corp バンパービームおよびバンパー
DE4340033A1 (de) * 1993-11-24 1995-06-01 Benteler Werke Ag Seitenaufprallträger
EP1527923A2 (fr) * 2003-10-30 2005-05-04 Bayerische Motoren Werke Aktiengesellschaft Porte de véhicule

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4768174B2 (ja) * 2001-09-27 2011-09-07 株式会社ジーテクト 車両用ドアの補強ビーム及びその製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56163013U (fr) * 1980-05-07 1981-12-03
US4796946A (en) * 1987-09-04 1989-01-10 Inland Steel Company Automotive vehicle door and bar reinforcement
JPH06171441A (ja) * 1992-10-09 1994-06-21 Nkk Corp バンパービームおよびバンパー
DE4340033A1 (de) * 1993-11-24 1995-06-01 Benteler Werke Ag Seitenaufprallträger
EP1527923A2 (fr) * 2003-10-30 2005-05-04 Bayerische Motoren Werke Aktiengesellschaft Porte de véhicule

Also Published As

Publication number Publication date
JP2008254660A (ja) 2008-10-23

Similar Documents

Publication Publication Date Title
KR100639811B1 (ko) 차량용 후드 구조체
JP5407372B2 (ja) 車両の側部車体構造
CN105189259B (zh) 车身结构
CN107792184B (zh) 车辆的后部车体构造
JP5506551B2 (ja) 自動車車体のピラー構造
EP2990246B1 (fr) Structure de porte de véhicule
US9688226B2 (en) Bumper reinforcement
WO2009098939A1 (fr) Structure de capot pour véhicule
CN111108036A (zh) 车辆侧部结构
WO2012157100A1 (fr) Structure de capot pour véhicule
CN107792183B (zh) 车辆的后部车体构造
CN102985297B (zh) 车辆用发动机盖结构
WO2006040732A1 (fr) Structure de chassis de corps pour vehicule automobile
KR102699017B1 (ko) 차량의 전방 바디
JP2018149844A (ja) 衝撃吸収部材
CN110228534A (zh) 车辆中柱
WO2008126730A1 (fr) Caisson d'impact de porte de voiture
JP5448709B2 (ja) 自動車の外装樹脂パネル
JP2007326376A (ja) 車両のピラー構造
WO2008066041A1 (fr) Structure avant pour véhicule
JP6094764B2 (ja) 車両の側部車体構造
KR100996589B1 (ko) 차량용 도어 임팩트 빔
WO2013105439A1 (fr) Véhicule
JP2009012703A (ja) 自動車の車体構造
JP7187116B2 (ja) 自動車のバンパー補強材

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08739620

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 08739620

Country of ref document: EP

Kind code of ref document: A1