JP2005162016A - Car body side part structure - Google Patents

Car body side part structure Download PDF

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JP2005162016A
JP2005162016A JP2003404097A JP2003404097A JP2005162016A JP 2005162016 A JP2005162016 A JP 2005162016A JP 2003404097 A JP2003404097 A JP 2003404097A JP 2003404097 A JP2003404097 A JP 2003404097A JP 2005162016 A JP2005162016 A JP 2005162016A
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vehicle body
impact beam
door
end portion
rear end
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JP4305149B2 (en
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Toshiaki Miki
俊明 三木
Takeshi Yasuki
剛 安木
Shigeki Kojima
茂樹 小島
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Toyota Motor Corp
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Toyota Motor Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To increase shock transmitting force from a door to a car body side at the time of side face collision and force for restraining the door from intruding into the inside of a cabin. <P>SOLUTION: An impact beam 26 is arranged inside the front side door 16 along the longitudinal direction of the car body. A rear end part 26B of the impact beam 26 is bent to the lower side of the car body. The rear end part 26B of the impact beam 26 is fixed to a step part 34A of a door inner panel 34 through a bracket 32. The rear end part 26B of the impact beam 26 and a closed cross section part 44 of a center pillar 38 are overlapping in a car body side view. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は車体側部構造に関し、特に、自動車等の車体においてドアの車室内側方向への移動を防止して乗員を保護するインパクトビームをドア内部に有する車体側部構造に関する。   The present invention relates to a vehicle body side structure, and more particularly, to a vehicle body side structure having an impact beam inside a door for protecting a passenger by preventing a door from moving in a vehicle interior direction in a vehicle body such as an automobile.

従来、自動車の側面に車幅方向外側から荷重が作用した場合に、ドアの車室内側方向への移動を防止して乗員を保護するインパクトビームをドア内部に有する車体側部構造においては、インパクトビームの端部を車幅方向内側へ曲げて荷重伝達部材とすることで、インパクトビームからの荷重を、荷重伝達部材を介して車体のドア開口部の縁部に当接させ、衝突早期に衝撃吸収を開始する構成が知られている（例えば、特許文献１参照）。
特許第３３４８４８１号公報 Conventionally, when a load is applied to the side of an automobile from the outside in the vehicle width direction, the impact on the side structure of the vehicle body that has an impact beam inside the door that prevents the door from moving in the vehicle interior direction and protects the passenger By bending the end of the beam inward in the vehicle width direction to make a load transmission member, the load from the impact beam is brought into contact with the edge of the door opening of the vehicle body via the load transmission member, and impact is made early in the collision. The structure which starts absorption is known (for example, refer patent document 1).
Japanese Patent No. 3348481

しかしながら、特許文献１では、車体側面視におけるインパクトビームの端部と車体のドア開口部の縁部とのオーバラップ量が少ない。この結果、側面衝突時のドアから車体側への衝撃伝達力が低くなると共に、ドアの車室内部への浸入抑制力が小さくなる。   However, in Patent Document 1, the amount of overlap between the end portion of the impact beam and the edge portion of the door opening of the vehicle body in a side view of the vehicle body is small. As a result, the impact transmission force from the door to the vehicle body side at the time of a side collision is reduced, and the invasion suppression force of the door into the vehicle interior is reduced.

本発明は上記事実を考慮し、側面衝突時のドアから車体側への衝撃伝達力及びドアの車室内部への浸入抑制力を大きくできる車体側部構造を提供することが目的である。   In view of the above facts, an object of the present invention is to provide a vehicle body side structure that can increase the impact transmission force from the door to the vehicle body side and the intrusion suppression force of the door into the vehicle interior during a side collision.

請求項１記載の本発明は、ドア内部に車体前後方向に沿って配設されたインパクトビームの端部が車体側面視において車体のドア開口部の縁部と重なった車体側部構造において、
前記インパクトビームの端部が車体上方と車体下方との何れか一方に屈曲していることを特徴とする。 The present invention according to claim 1 is a vehicle body side structure in which an end of an impact beam disposed along a vehicle body longitudinal direction inside a door overlaps with an edge of a door opening of the vehicle body in a side view of the vehicle body.
An end portion of the impact beam is bent to one of the upper side and the lower side of the vehicle body.

従って、側面衝突時に自動車の側面に車幅方向外側から荷重が作用した場合には、この荷重はインパクトビームの長手方向の端部を介して、車体側面視においてインパクトビームの長手方向の端部と重なる車体のドア開口部の縁部に伝達される。この際、インパクトビームの端部が車体上方と車体下方との何れか一方に屈曲しているため、車体側面視においてインパクトビームの端部とドア開口部の縁部との重なり量が大きくなる。この結果、側面衝突時のドアから車体側への衝撃伝達力及びドアの車室内部への浸入抑制力を大きくできる。   Therefore, when a load is applied to the side surface of the vehicle from the outside in the vehicle width direction at the time of a side collision, the load is passed through the end portion in the longitudinal direction of the impact beam through the end portion in the longitudinal direction of the impact beam. It is transmitted to the edge of the door opening of the overlapping car body. At this time, since the end portion of the impact beam is bent to one of the upper side and the lower side of the vehicle body, the amount of overlap between the end portion of the impact beam and the edge portion of the door opening is large in a side view of the vehicle body. As a result, it is possible to increase the impact transmission force from the door to the vehicle body side and the intrusion suppression force of the door into the vehicle interior during a side collision.

請求項１記載の本発明は、ドア内部に車体前後方向に沿って配設されたインパクトビームの端部が車体側面視において車体のドア開口部の縁部と重なった車体側部構造において、インパクトビームの端部が車体上方と車体下方との何れか一方に屈曲しているため、側面衝突時のドアから車体側への衝撃伝達力及びドアの車室内部への浸入抑制力を大きくできるという優れた効果を有する。   According to the first aspect of the present invention, in the vehicle body side structure in which the end portion of the impact beam disposed along the longitudinal direction of the vehicle body overlaps with the edge of the door opening of the vehicle body in a side view of the vehicle body, Because the end of the beam is bent to either the upper side or the lower side of the vehicle body, it is possible to increase the impact transmission force from the door to the vehicle side and the intrusion suppression force of the door into the vehicle interior during a side collision. Has an excellent effect.

本発明における車体側部構造の一実施形態を図１〜図３に従って説明する。   An embodiment of a vehicle body side part structure according to the present invention will be described with reference to FIGS.

なお、図中矢印ＦＲは車体前方方向を、矢印ＩＮは車幅内側方向を、矢印ＵＰは車体上方方向を示す。   In the figure, the arrow FR indicates the vehicle body front direction, the arrow IN indicates the vehicle width inside direction, and the arrow UP indicates the vehicle body upward direction.

図１に示される如く、自動車の車体１０の側部には、フロントドア開口部１２とリアドア開口部１４とが形成されている。フロントドア開口部１２にはフロントサイドドア１６が、ヒンジ１８によって開閉可能に取付けられており、リアドア開口部１４にはリアサイドドア２０が、ヒンジ２２によって開閉可能に取付けられている。また、フロントサイドドア１６の内部には、車体前後方向に沿ってインパクトビーム２６が配設されている。   As shown in FIG. 1, a front door opening 12 and a rear door opening 14 are formed on the side of a vehicle body 10 of an automobile. A front side door 16 is attached to the front door opening 12 so as to be opened and closed by a hinge 18, and a rear side door 20 is attached to the rear door opening 14 so as to be opened and closed by a hinge 22. Further, an impact beam 26 is disposed in the front side door 16 along the longitudinal direction of the vehicle body.

図２に示される如く、インパクトビーム２６はパイプ材で構成されている。また、インパクトビーム２６の前端部２６Ａは車体前方へ直線状に延設されており、取付けブラケット３０にアーク溶接等によって固定されている。一方、インパクトビーム２６の後端部２６Ｂは、車体下方側に向かって直角に１回屈曲されており、ブラケット３２にアーク溶接等によって固定されている。   As shown in FIG. 2, the impact beam 26 is made of a pipe material. Further, the front end portion 26A of the impact beam 26 is linearly extended forward of the vehicle body, and is fixed to the mounting bracket 30 by arc welding or the like. On the other hand, the rear end portion 26B of the impact beam 26 is bent once at a right angle toward the vehicle body lower side, and is fixed to the bracket 32 by arc welding or the like.

図３に示される如く、フロントサイドドア１６は、フロントサイドドア１６の車幅方向外側部を構成するドアアウタパネル３３と、フロントサイドドア１６の車幅方向内側部を構成するドアインナパネル３４とで構成されており、ドアインナパネル３４の後部には車幅方向外側へ凹んだ段部３４Ａが形成されている。   As shown in FIG. 3, the front side door 16 includes a door outer panel 33 that forms an outer portion in the vehicle width direction of the front side door 16, and a door inner panel 34 that forms an inner portion in the vehicle width direction of the front side door 16. The rear portion of the door inner panel 34 is formed with a step 34A that is recessed outward in the vehicle width direction.

ドアインナパネル３４の段部３４Ａの車幅方向内側には、センタピラー３８が配設されており、センタピラー３８は、センタピラーアウタパネル４０とセンタピラーインナパネル４２とによって、車体上下方向に延びる閉断面部４４を形成している。なお、センタピラー３８の閉断面部４４はフロントドア開口部１２の後側の縁部を構成している。   A center pillar 38 is disposed on the inner side in the vehicle width direction of the step 34A of the door inner panel 34. The center pillar 38 is closed by the center pillar outer panel 40 and the center pillar inner panel 42 so as to extend in the vertical direction of the vehicle body. A cross section 44 is formed. The closed cross section 44 of the center pillar 38 constitutes the rear edge of the front door opening 12.

ドアインナパネル３４の段部３４Ａの車幅方向外側面には、ブラケット３２の後部に形成されたフランジ３２Ａが溶接等によって固定されている。   A flange 32A formed at the rear portion of the bracket 32 is fixed to the outer surface in the vehicle width direction of the step portion 34A of the door inner panel 34 by welding or the like.

従って、図１に示される如く、インパクトビーム２６の後端部２６Ｂとセンタピラー３８の閉断面部４４は、車体側面視において重なっている。   Therefore, as shown in FIG. 1, the rear end portion 26 </ b> B of the impact beam 26 and the closed cross-sectional portion 44 of the center pillar 38 overlap with each other in a side view of the vehicle body.

インパクトビーム２６の前端部２６Ａが固定されたブラケット３０は、ドアインナパネル３４の前部３４Ｂに溶着等によって固定されており、インパクトビーム２６の前端部２６Ａは、フロントドア開口部１２の前側の縁部を構成しているフロントピラー４６の後部４６Ａに車体側面視において重なっている。   The bracket 30 to which the front end portion 26A of the impact beam 26 is fixed is fixed to the front portion 34B of the door inner panel 34 by welding or the like, and the front end portion 26A of the impact beam 26 is a front edge of the front door opening 12. It overlaps with the rear part 46A of the front pillar 46 constituting the part in a side view of the vehicle body.

次に、本実施形態の作用を説明する。   Next, the operation of this embodiment will be described.

本実施形態では、側面衝突時に自動車の車体１０の側面に車幅方向外側方向（図３の矢印Ｆ方向）から荷重が作用した場合には、この荷重は車体下方に屈曲したインパクトビーム２６の後端部２６Ｂを介して、車体側面視においてインパクトビーム２６の後端部２６Ｂと重なるセンタピラー３８の閉断面部４４に伝達される。   In the present embodiment, when a load is applied to the side surface of the vehicle body 10 from the vehicle width direction outward direction (the direction of arrow F in FIG. 3) during a side collision, this load is applied to the rear of the impact beam 26 bent downward in the vehicle body. The light is transmitted to the closed cross-sectional portion 44 of the center pillar 38 that overlaps the rear end portion 26B of the impact beam 26 in the side view of the vehicle body via the end portion 26B.

この際、本実施形態では、インパクトビーム２６の後端部２６Ｂが車体下方に屈曲しているため、インパクトビーム２６の後端部２６Ｂをフロントサイドドア１６の車体後方側の部位と共に車体後方へ延設すること無く、長くすることができる。   At this time, in this embodiment, since the rear end portion 26B of the impact beam 26 is bent downward in the vehicle body, the rear end portion 26B of the impact beam 26 is extended to the rear of the vehicle body together with the rear side portion of the front side door 16 in the vehicle body. It can be made longer without installation.

この結果、車体側面視においてインパクトビーム２６の後端部２６Ｂとドア開口部の縁部としてのセンタピラー３８の閉断面部４４との重なり量が大きくなる。このため、側面衝突時のフロントサイドドア１６から車体１０側への衝撃伝達力及びフロントサイドドア１６の車室内部への浸入抑制力を大きくできる。   As a result, the amount of overlap between the rear end portion 26B of the impact beam 26 and the closed cross-section portion 44 of the center pillar 38 as the edge portion of the door opening portion increases in a side view of the vehicle body. For this reason, the impact transmission force from the front side door 16 to the vehicle body 10 side at the time of a side collision and the invasion suppression force of the front side door 16 into the vehicle interior can be increased.

また、本実施形態は、インパクトビーム２６の後端部２６Ｂに１回の曲げ加工を行えば良い。この結果、製造が容易で且つ他部材の追加もないため、コストダウンが可能である。   In the present embodiment, the impact beam 26 may be bent once at the rear end portion 26B. As a result, it is easy to manufacture and there is no addition of other members, so the cost can be reduced.

また、本実施形態では、インパクトビーム２６の後端部２６Ｂを、車体下方側に向かって屈曲したため、インパクトビーム２６の後端部２６Ｂの車体下方側に衝突検知センサを配設した場合には、インパクトビーム２６の後端部２６Ｂと衝突検知センサとの距離が近づき、衝突検知時間を短くできる。   In the present embodiment, since the rear end portion 26B of the impact beam 26 is bent toward the vehicle body lower side, when the collision detection sensor is disposed on the vehicle body lower side of the rear end portion 26B of the impact beam 26, The distance between the rear end portion 26B of the impact beam 26 and the collision detection sensor is reduced, and the collision detection time can be shortened.

以上に於いては、本発明を特定の実施形態について詳細に説明したが、本発明は上記実施形態に限定されるものではなく、本発明の範囲内にて他の種々の実施形態が可能であることは当業者にとって明らかである。例えば、図４に示される如く、インパクトビーム２６の後端部２６Ｂを、車体上方側に向かって屈曲させた構成としても良い。また、図５に示される如く、インパクトビーム２６の前端部２６Ａと後端部２６Ｂの双方を車体下方側に向かって屈曲させた構成としても良い。また、図６に示される如く、インパクトビーム２６の前端部２６Ａと後端部２６Ｂの双方を車体上方側に向かって屈曲させた構成としても良い。更に、図７に示される如く、インパクトビーム２６の前端部２６Ａと後端部２６Ｂとを互いに車体上下方向の逆方向に向かって屈曲させた構成としても良い。   Although the present invention has been described in detail with respect to specific embodiments, the present invention is not limited to the above-described embodiments, and various other embodiments are possible within the scope of the present invention. It will be apparent to those skilled in the art. For example, as shown in FIG. 4, the rear end portion 26B of the impact beam 26 may be bent toward the upper side of the vehicle body. Further, as shown in FIG. 5, both the front end portion 26A and the rear end portion 26B of the impact beam 26 may be bent toward the vehicle body lower side. Further, as shown in FIG. 6, both the front end portion 26A and the rear end portion 26B of the impact beam 26 may be bent toward the vehicle body upper side. Furthermore, as shown in FIG. 7, the front end portion 26A and the rear end portion 26B of the impact beam 26 may be bent toward the opposite directions of the vehicle body vertical direction.

また、上記実施形態では、インパクトビーム２６の後端部２６Ｂを直角に屈曲したが、インパクトビーム２６の後端部２６Ｂの屈曲角度は直角に限定されず、他の屈曲角度としても良い。   In the above embodiment, the rear end portion 26B of the impact beam 26 is bent at a right angle. However, the bending angle of the rear end portion 26B of the impact beam 26 is not limited to a right angle, and may be another bending angle.

また、上記実施形態では、インパクトビーム２６の後端部２６Ｂを１回のみ屈曲したが、インパクトビーム２６の後端部２６Ｂにおけるセンタピラー３８の閉断面部４４と重なる部位を長くするため、インパクトビーム２６の後端部２６Ｂを２回以上屈曲した構成としても良い。   In the above embodiment, the rear end portion 26B of the impact beam 26 is bent only once. However, in order to lengthen the portion of the rear end portion 26B of the impact beam 26 that overlaps the closed cross section 44 of the center pillar 38, the impact beam 26 It is good also as a structure which bent the rear-end part 26B of 26 twice or more.

また、上記実施形態では、インパクトビーム２６をパイプ材で構成したが、パイプ材に代えて他の部材でインパクトビーム２６を構成しても良い。   Moreover, in the said embodiment, although the impact beam 26 was comprised with the pipe material, it may replace with a pipe material and may comprise the impact beam 26 with another member.

また、本発明の車体側部構造は、リアサイドドア２０やバックドア４７等の全てのドアに適用可能である。   The vehicle body side structure of the present invention is applicable to all doors such as the rear side door 20 and the back door 47.

本発明の一実施形態に係る車体側部構造が適用された車体を示す概略側面図である。1 is a schematic side view showing a vehicle body to which a vehicle body side part structure according to an embodiment of the present invention is applied. 本発明の一実施形態に係る車体側部構造のインパクトビームを示す車体斜め前方内側から見た斜視図である。It is the perspective view seen from the vehicle body diagonally forward inner side which shows the impact beam of the vehicle body side part structure which concerns on one Embodiment of this invention. 図１の３−３線に沿った拡大断面図である。FIG. 3 is an enlarged cross-sectional view taken along line 3-3 in FIG. 1. 本発明の他の実施形態に係る車体側部構造のインパクトビームを示す車体斜め前方内側から見た斜視図である。It is the perspective view seen from the vehicle body diagonally forward inner side which shows the impact beam of the vehicle body side part structure which concerns on other embodiment of this invention. 本発明の他の実施形態に係る車体側部構造のインパクトビームを示す車体斜め前方内側から見た斜視図である。It is the perspective view seen from the vehicle body diagonally forward inner side which shows the impact beam of the vehicle body side part structure which concerns on other embodiment of this invention. 本発明の他の実施形態に係る車体側部構造のインパクトビームを示す車体斜め前方内側から見た斜視図である。It is the perspective view seen from the vehicle body diagonally forward inner side which shows the impact beam of the vehicle body side part structure which concerns on other embodiment of this invention. 本発明の他の実施形態に係る車体側部構造のインパクトビームを示す車体斜め前方内側から見た斜視図である。It is the perspective view seen from the vehicle body diagonally forward inner side which shows the impact beam of the vehicle body side part structure which concerns on other embodiment of this invention.

符号の説明Explanation of symbols

１０ 車体
１２ フロントドア開口部
１６ フロントサイドドア
２６ インパクトビーム
２６Ａ インパクトビームの前端部
２６Ｂ インパクトビームの後端部
３２ ブラケット
３４ ドアインナパネル
３８ センタピラー
４４ センタピラーの閉断面部 DESCRIPTION OF SYMBOLS 10 Car body 12 Front door opening 16 Front side door 26 Impact beam 26A Front end part of impact beam 26B Rear end part of impact beam 32 Bracket 34 Door inner panel 38 Center pillar 44 Center pillar closed section

Claims (1)

ドア内部に車体前後方向に沿って配設されたインパクトビームの端部が車体側面視において車体のドア開口部の縁部と重なった車両側部構造において、
前記インパクトビームの端部が車体上方と車体下方との何れか一方に屈曲していることを特徴とする車体側部構造。 In the vehicle side part structure in which the end of the impact beam arranged along the longitudinal direction of the vehicle body inside the door overlaps with the edge of the door opening of the vehicle body in a side view of the vehicle body,
The side part structure of a vehicle body characterized in that an end of the impact beam is bent to one of an upper side and a lower side of the vehicle body.
JP2003404097A 2003-12-03 2003-12-03 Body side structure Expired - Fee Related JP4305149B2 (en)

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JP2003404097A JP4305149B2 (en) 2003-12-03 2003-12-03 Body side structure

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JP2005162016A true JP2005162016A (en) 2005-06-23
JP4305149B2 JP4305149B2 (en) 2009-07-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7614685B2 (en) 2007-06-22 2009-11-10 Toyota Jidosha Kabushiki Kaisha Vehicle side door structure
US8226154B2 (en) 2007-02-01 2012-07-24 Toyota Jidosha Kabushiki Kaisha Vehicle door structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8226154B2 (en) 2007-02-01 2012-07-24 Toyota Jidosha Kabushiki Kaisha Vehicle door structure
US7614685B2 (en) 2007-06-22 2009-11-10 Toyota Jidosha Kabushiki Kaisha Vehicle side door structure

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