JP2002029457A - Body rear part structure of automobile - Google Patents
Body rear part structure of automobileInfo
- Publication number
- JP2002029457A JP2002029457A JP2000215799A JP2000215799A JP2002029457A JP 2002029457 A JP2002029457 A JP 2002029457A JP 2000215799 A JP2000215799 A JP 2000215799A JP 2000215799 A JP2000215799 A JP 2000215799A JP 2002029457 A JP2002029457 A JP 2002029457A
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- rear side
- shock absorbing
- side member
- cross member
- 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.)
- Granted
Links
Landscapes
- Body Structure For Vehicles (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、自動車の後部車体
構造に関し、とりわけ、ワゴン車等車両後方にラゲッジ
ルームを有する車両のリヤバンパーのコーナー周りの衝
撃吸収構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rear body structure of a motor vehicle, and more particularly to a shock absorbing structure around a corner of a rear bumper of a vehicle such as a wagon having a luggage room behind the vehicle.
【０００２】[0002]
【従来の技術】従来の自動車の後部車体構造としては、
特開平８−１７５４３０号公報に示すようなものが知ら
れている。2. Description of the Related Art A conventional rear body structure of an automobile includes:
Japanese Patent Application Laid-Open No. 8-175430 is known.
【０００３】しかし、最近では、車両後方にラゲッジル
ームを有するワゴン車等の車両には、ラゲッジルームの
一般面の下部にスペアタイヤを収容したり、小物等を収
容するためのサブトランク等のアンダーフロアボックス
を設定するようにしたものが増えている。However, recently, vehicles such as wagons having a luggage room behind the vehicle are equipped with an under tire such as a sub-trunk for accommodating spare tires or small articles in a lower portion of a general surface of the luggage room. Increasingly, floor boxes are set.
【０００４】また一方では、車両の製造コストを下げる
ためにワゴン車専用のアンダーフロアボディを設計する
のではなく、アンダーフロアボディをセダン等の車両の
ものと共用したいという要求もある。On the other hand, there is also a demand that the underfloor body be shared with a vehicle such as a sedan instead of designing an underfloor body dedicated to a wagon vehicle in order to reduce the manufacturing cost of the vehicle.
【０００５】これらの要求を成立させたものとして、車
両後部にラゲッジルームを有し、該ラゲッジルームのフ
ロア一般面が前後方向骨格部材であるリヤサイドメンバ
の上面よりも所定高さ上方に離間したものでは、図３，
図４に示すような自動車の車体後部構造が知られてい
る。In order to satisfy these requirements, a vehicle having a luggage room at a rear portion of a vehicle, wherein a general floor surface of the luggage room is separated from the upper surface of a rear side member, which is a frame member in the front-rear direction, by a predetermined height. Now, Figure 3,
2. Description of the Related Art A vehicle body rear structure as shown in FIG. 4 is known.
【０００６】１は車両前後方向に配設される車両骨格部
材としてのリヤサイドメンバを示しており、その上面に
はリヤフロアパネル２が接続されている。Reference numeral 1 denotes a rear side member as a vehicle frame member disposed in the vehicle front-rear direction, and a rear floor panel 2 is connected to an upper surface thereof.
【０００７】リヤフロアパネル２の上方にはラゲッジル
ーム３が設定されている。４はフロア一般面を構成する
フロアボードを示しており、ここでは、このフロアボー
ド（フロア一般面）４を前記リヤサイドメンバ１の上面
であるリヤフロアパネル２よりも所定高さ上方に離間し
て、前記ラゲッジルーム３を、メインラゲッジルーム３
Ａと、スペアタイヤ収容部やサブトランクとして利用す
るアンダーフロアボックス３Ｂとに分割している。A luggage room 3 is set above the rear floor panel 2. Reference numeral 4 denotes a floor board constituting a floor general surface. Here, the floor board (floor general surface) 4 is separated from the rear floor panel 2 which is the upper surface of the rear side member 1 by a predetermined height, and The luggage room 3 is replaced with the main luggage room 3
A and an underfloor box 3B used as a spare tire storage section and a sub-trunk.
【０００８】５は、車幅方向に配設されるリヤエンドク
ロスパネル６とリヤパネル７とから成る車両骨格部材と
してのクロスメンバで、該クロスメンバ５はその上面を
荷物の搭載作業性等を考慮してフロア一般面４と同じ高
さにするため、クロスメンバ５を前記リヤサイドメンバ
１の後方で、かつ、上方にオフセット配置して、その前
部下端５ａで前記リヤサイドメンバ１の後端部に接続し
てある。Reference numeral 5 denotes a cross member as a vehicle frame member including a rear end cross panel 6 and a rear panel 7 arranged in the vehicle width direction. In order to make the same height as the floor general surface 4, the cross member 5 is offset behind and above the rear side member 1 and connected to the rear end of the rear side member 1 at its front lower end 5 a. I have.
【０００９】該クロスメンバ５の閉断面内部には、該ク
ロスメンバ５の前部下端５ａと後部上面とを繋ぐブレー
ス８を車幅方向全体に設けて該クロスメンバ５の剛性向
上を図っている。Inside the cross section of the cross member 5, a brace 8 connecting the front lower end 5a and the rear upper surface of the cross member 5 is provided in the entire vehicle width direction to improve the rigidity of the cross member 5. .
【００１０】９，１０は、接着剤やクリップ等の取付部
材１１を介して前記リヤクロスメンバ１の上面に設けら
れ、前記フロアボード４の後端部を構成するリテーナを
示している。Reference numerals 9 and 10 denote retainers provided on the upper surface of the rear cross member 1 via mounting members 11 such as adhesives and clips, and constituting the rear end of the floorboard 4.
【００１１】また、１２はリヤゲート、１３は前記クロ
スメンバ５の後部上端のフランジ部５ｂに設けられたシ
ール部材を示している。Reference numeral 12 denotes a rear gate, and reference numeral 13 denotes a seal member provided on a flange 5b at the rear upper end of the cross member 5.
【００１２】１４は車幅方向に配設されたバンパーステ
ー１５に取り付けたバンパーを示している。Reference numeral 14 denotes a bumper attached to a bumper stay 15 disposed in the vehicle width direction.
【００１３】なお、１６は車内の水密性確保のために接
続部に施したペイントシール等のシール処理部である。Reference numeral 16 denotes a seal processing section such as a paint seal applied to a connection section for ensuring watertightness in the vehicle.
【００１４】一方、図４はリヤクロスメンバ５を、図３
のようにリヤサイドメンバ１の後方の上方にオフセット
配置するのでなく、フロア一般面であるフロアボード４
の高さからリヤサイドメンバ１の下面より下方まで伸ば
した構造である。FIG. 4 shows the rear cross member 5 and FIG.
Instead of being offset above the rear side member 1 as shown in FIG.
From the height of the rear side member 1 to the lower side.
【００１５】この構造では、リヤクロスメンバ５の閉断
面拡大による剛性低下を防ぐために、リヤサイドメンバ
１の後端部対応位置にブレース１７，１８を設けてい
る。In this structure, braces 17 and 18 are provided at positions corresponding to the rear end of the rear side member 1 in order to prevent a decrease in rigidity due to an enlarged closed cross section of the rear cross member 5.
【００１６】２０は、図外の車幅方向位置でバンパ１４
を支持するバンパーステーを示しており、２１，２２，
２３，２４の各部分は、車内の水密性確保のために接続
部に施したペイントシールやメタルシール等のシール処
理部を示している。Reference numeral 20 denotes a bumper 14 at a position in the vehicle width direction (not shown).
And bumper stays that support
Reference numerals 23 and 24 denote seal processing sections such as paint seals and metal seals applied to the connection sections to ensure watertightness in the vehicle.
【００１７】なお、２５はキャンピングカー等の牽引用
の牽引フックを設ける際に取り付けられる補助メンバー
２６取り付け用の開口部で、該補助メンバー２６は、前
記開口部２５からリヤサイドメンバ１内部に挿通され、
該リヤサイドメンバ１に接続される。Reference numeral 25 denotes an opening for attaching an auxiliary member 26 to which a towing hook for towing such as a camper is provided. The auxiliary member 26 is inserted through the opening 25 into the inside of the rear side member 1.
It is connected to the rear side member 1.
【００１８】[0018]
【発明が解決しようとする課題】前述の図３に示す従来
の構造では、リヤクロスメンバ５がリヤサイドメンバ１
の後部で、かつ、上方にオフセット配置されており、単
にその前部下端５ａを車両前後方向骨格部材であるリヤ
サイドメンバ１の後部上端に局部的に接続しているのみ
なので、十分に剛性を確保することができず、後面衝突
や、走行入力に対しての剛性確保が難しいという問題が
あった。In the conventional structure shown in FIG. 3, the rear cross member 5 is connected to the rear side member 1.
The rear end of the rear side member 1 which is a vehicle front-rear direction frame member is only locally connected to the rear lower end 5a of the rear side member 1, so that sufficient rigidity is secured. Therefore, there is a problem that it is difficult to secure rigidity against a rear collision or a traveling input.
【００１９】もちろんこの対策としてリヤエンドクロス
メンバ５，リヤパネル及びブレース８等の板厚を厚くす
るなどして剛性向上を図っているが、重量・コストの両
面において不利となってしまうことは否めなかった。Of course, as a countermeasure, the rigidity is improved by increasing the thickness of the rear end cross member 5, the rear panel, the brace 8, and the like. However, it is undeniable that both the weight and the cost are disadvantageous. .
【００２０】また、車両の後面衝突時等には、衝撃吸収
代が少ないために、バンパー１４で吸収しきれなかった
衝撃が、該バンパー１４を介してリヤクロスメンバ５に
入力してしまうので、車両の後面衝突時における補修部
分が該リヤクロスメンバ５を構成する最後部のリヤパネ
ル７など、大型の外板パネルまで達してしまう恐れがあ
った。Further, in the event of a rear collision of the vehicle, the impact that could not be absorbed by the bumper 14 is input to the rear cross member 5 via the bumper 14 because the impact absorption margin is small. There is a risk that the repaired portion at the time of a rear collision of the vehicle may reach a large outer panel such as the rear panel 7 at the rear end of the rear cross member 5.
【００２１】また、図４に示す構造では、リヤクロスメ
ンバ５をフロア一般面であるフロアボード４の高さから
リヤサイドメンバ１の下面より下方まで伸ばした閉断面
拡大による剛性低下を防ぐために、ブレース１７，１８
を設けているので、閉断面拡大による剛性低下を防止す
ることができるものの、組付作業性やコスト及び重量の
面で不利になってしまうことは否めない。In the structure shown in FIG. 4, the rear cross member 5 extends from the height of the floor board 4 which is a general floor to below the lower surface of the rear side member 1 to prevent a decrease in rigidity due to an enlargement of a closed section. 17,18
Is provided, it is possible to prevent a decrease in rigidity due to the enlargement of the closed section, but it cannot be denied that it is disadvantageous in terms of assembly workability, cost and weight.
【００２２】また、図中２１，２２，２３，２４に示す
ように、車内の水密性確保のためのペイントシールやメ
タルシール等のシール処理を多用しているため、この点
からも組付作業性が不利となってしまう。Further, as shown by 21, 22, 23, and 24 in the figure, since a sealing process such as a paint seal or a metal seal for ensuring watertightness in the vehicle is frequently used, the assembling work is also performed from this point. Sex is disadvantaged.
【００２３】そこで、本発明は荷物積載性及び車体剛性
を確保すると共に、重量及びコストの増大を避けつつ水
密性，補修性を高めることのできる自動車の車体後部構
造を提供するものである。SUMMARY OF THE INVENTION Accordingly, the present invention provides a rear body structure of an automobile which can secure loadability and rigidity of the vehicle body, and can improve watertightness and repairability while avoiding an increase in weight and cost.
【００２４】[0024]
【課題を解決するための手段】請求項１の発明にあって
は、車両後部にラゲッジルームを有し、該ラゲッジルー
ムのフロア一般面が前後方向骨格部材であるリヤサイド
メンバの上面よりも所定高さ上方に離間した構造であっ
て、前記ラゲッジルームのフロア一般面の後端部を構成
する車幅方向骨格部材であるリヤクロスメンバを前部下
端で前記リヤサイドメンバの後端部に接続し、該リヤク
ロスメンバを前記リヤサイドメンバの後方で、かつ、上
方にオフセット配置すると共に、前記リヤサイドメンバ
の後端部に、該後端部と車両前後方向に隣接して、その
後方に延在する衝撃吸収部材を接続し、かつ、該衝撃吸
収部材とその上方に配置された前記リヤクロスメンバの
後面とを接続したことを特徴としている。According to the present invention, a luggage room is provided at a rear portion of a vehicle, and a general surface of the luggage room has a predetermined height higher than an upper surface of a rear side member which is a frame member in the front-rear direction. A rear cross member, which is a vehicle width direction frame member constituting a rear end of the floor general surface of the luggage room, is connected to a rear end of the rear side member at a front lower end, The rear cross member is arranged offset behind and above the rear side member, and the rear cross member is arranged adjacent to the rear end of the rear side member in the vehicle front-rear direction and extends rearward. An absorbing member is connected, and the shock absorbing member is connected to a rear surface of the rear cross member disposed above the shock absorbing member.
【００２５】請求項２の発明にあっては、請求項１に記
載の自動車の後部車体構造であって、前記衝撃吸収部材
は、前端部を前記リヤサイドメンバの後端部に接続する
と共に、後端部を前記リヤクロスメンバの後面に接続す
るステー部と、該ステー部の後端部に接続され、車両の
後面衝突時にその衝撃を吸収する衝撃吸収部とから構成
したことを特徴としている。According to a second aspect of the present invention, in the vehicle rear body structure according to the first aspect, the shock absorbing member has a front end connected to a rear end of the rear side member and a rear end. A stay portion is connected to the rear surface of the rear cross member, and a shock absorbing portion is connected to the rear end portion of the stay portion and absorbs a shock at the time of a rear collision of the vehicle.
【００２６】請求項３の発明にあっては、請求項１また
は請求項２に記載の自動車の後部車体構造であって、前
記衝撃吸収部材を、リヤサイドメンバ後端部に締結固定
したことを特徴としている。According to a third aspect of the present invention, there is provided the rear body structure of an automobile according to the first or second aspect, wherein the shock absorbing member is fastened and fixed to a rear end of a rear side member. And
【００２７】請求項４の発明にあっては、請求項１〜３
の何れか一項に記載の自動車の後部車体構造であって、
前記リヤクロスメンバ後面の前記衝撃吸収部材との接続
部と、リヤサイドメンバ後端部とを結ぶブレースを、前
記リヤクロスメンバの閉断面内部に設けたことを特徴と
している。In the invention of claim 4, claims 1 to 3 are provided.
The rear body structure of an automobile according to any one of the above,
A brace for connecting a connection portion of the rear surface of the rear cross member with the shock absorbing member and a rear end of the rear side member is provided inside a closed cross section of the rear cross member.
【００２８】[0028]
【発明の効果】請求項１に記載の発明によれば、ラゲッ
ジルームのフロア一般面の後端部を構成する車幅方向骨
格部材であるリヤクロスメンバを前部下端で前記リヤサ
イドメンバの後端部に接続して、該リヤクロスメンバを
前記リヤサイドメンバの後方で、かつ、上方にオフセッ
ト配置すると共に、前記リヤサイドメンバの後端部に、
該後端部と車両前後方向に隣接して、その後方に延在す
る衝撃吸収部材を接続し、かつ、該衝撃吸収部材とその
上方に配置された前記リヤクロスメンバの後面とを接続
してあるため、衝撃吸収部材によって、リヤサイドメン
バとリヤクロスメンバーとが結合されるので、走行入力
や車両の後面衝突時に対する剛性を充分に確保すること
ができる。According to the first aspect of the present invention, the rear cross member, which is a frame member in the vehicle width direction, constituting the rear end of the general floor of the luggage room is provided at the front lower end at the rear end of the rear side member. And the rear cross member is offset behind the rear side member and upward, and at the rear end of the rear side member,
The rear end portion is connected to a shock absorbing member extending rearward adjacent to the vehicle front and rear direction, and the shock absorbing member is connected to a rear surface of the rear cross member disposed above the shock absorbing member. Therefore, since the rear side member and the rear cross member are connected by the shock absorbing member, it is possible to sufficiently secure rigidity against a traveling input or a rear collision of the vehicle.
【００２９】しかも、衝撃吸収部材によって、車両の後
面衝突時における衝撃入力を前記リヤサイドメンバに伝
えることができると共に、該衝撃吸収部材によって該衝
撃入力を吸収することができるので、リヤクロスメンバ
を構成するリヤパネル等の大型の外板パネルへの衝撃入
力の影響を軽減することができる。Moreover, the shock absorbing member can transmit a shock input at the time of a rear collision of the vehicle to the rear side member, and can absorb the shock input by the shock absorbing member. The effect of shock input to a large outer panel such as a rear panel can be reduced.
【００３０】請求項２に記載の発明によれば、請求項１
の効果に加えて、前記衝撃吸収部材は、前端部を前記リ
ヤサイドメンバの後端部に接続すると共に、後端部を前
記リヤクロスメンバの後面に接続するステー部と、該ス
テー部の後端部に接続され、車両の後面衝突時にその衝
撃を吸収する衝撃吸収部とから構成してあるため、車両
の後面衝突時にリヤクロスメンバ後方に位置する衝撃吸
収部により、後面衝突による衝撃入力を充分に吸収する
と共に、リヤクロスメンバ配設相当位置では、前記ステ
ー部によって前記衝撃入力をリヤサイドメンバに伝達
し、リヤサイドメンバで衝撃入力を受ける構造とするこ
とができる。According to the invention described in claim 2, according to claim 1
In addition to the above effects, the shock absorbing member has a stay portion connecting a front end portion to a rear end portion of the rear side member, and connecting a rear end portion to a rear surface of the rear cross member, and a rear end of the stay portion. And a shock absorbing portion that is connected to the rear portion of the vehicle and absorbs the shock at the time of a rear collision of the vehicle. The shock input is transmitted to the rear side member by the stay portion and the rear side member receives the shock input at a position corresponding to the arrangement of the rear cross member.
【００３１】従って、車両の後面衝突時の衝撃入力を該
衝撃吸収部材で効果的に吸収，伝達することにより、リ
ヤクロスメンバを構成するリヤパネル等の大型の外板パ
ネルへの衝撃入力による影響をさらに軽減，回避するこ
とができ、ひいては、車両の後面衝突時における補修作
業を衝撃吸収部材にとどめ、補修作業性を向上し、補修
コストを低減することができる。Therefore, the impact input at the time of the rear collision of the vehicle is effectively absorbed and transmitted by the impact absorbing member, so that the impact due to the impact input to the large outer panel such as the rear panel constituting the rear cross member is reduced. Further, it is possible to reduce or avoid the repair, and furthermore, the repair work at the time of the rear collision of the vehicle is limited to the shock absorbing member, so that the repair workability can be improved and the repair cost can be reduced.
【００３２】請求項３に記載の発明によれば、請求項１
または請求項２の効果に加えて、前記衝撃吸収部材を、
リヤサイドメンバ後端部に締結固定してあるため、該衝
撃吸収部材の組付・交換作業を容易にし、組付作業性の
向上はもちろんのこと、車両の後面衝突時における補修
作業の作業性を格段に向上することができる。According to the invention described in claim 3, according to claim 1
Or in addition to the effect of claim 2, the shock absorbing member,
Fastened and fixed to the rear end of the rear side member, it facilitates the assembly and replacement work of the shock absorbing member, and not only improves the workability of the work but also improves the workability of repair work in the event of a rear collision of the vehicle. It can be significantly improved.
【００３３】請求項４に記載の発明によれば、請求項１
〜３の効果に加えて、前記リヤクロスメンバ後面の前記
衝撃吸収部材との接続部と、リヤサイドメンバ後端部と
を結ぶブレースを、前記リヤクロスメンバの閉断面内部
に設けてあるため、前記リヤクロスメンバの剛性向上を
図ることができ、走行入力や車両の後面衝突時に対する
剛性をさらに確保することができる。According to the fourth aspect of the present invention, the first aspect is provided.
In addition to the effects of the first to third aspects, a brace connecting a connection portion of the rear surface of the rear cross member with the shock absorbing member and a rear end of the rear side member is provided inside the closed cross section of the rear cross member. The rigidity of the rear cross member can be improved, and the rigidity against a traveling input and a rear collision of the vehicle can be further secured.
【００３４】[0034]
【発明の実施の形態】以下、本発明の一実施形態を図面
と共に前記従来の構成と同一部分に同一符号を付して詳
述する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the accompanying drawings, in which the same reference numerals are assigned to the same parts as in the above-mentioned conventional configuration.
【００３５】図１及び図２は、本発明を適用した自動車
の後部車体構造を示しており、以下の本実施形態では車
両後部にラゲッジルームを有するワゴンタイプの車両を
例にとって説明する。FIGS. 1 and 2 show a rear body structure of an automobile to which the present invention is applied. In the following embodiment, a wagon type vehicle having a luggage room at the rear of the vehicle will be described as an example.
【００３６】１は車両前後方向に配設される車両骨格部
材としてのリヤサイドメンバを示しており、その上面に
はリヤフロアパネル２が接続されている。Reference numeral 1 denotes a rear side member as a vehicle frame member disposed in the vehicle front-rear direction, and a rear floor panel 2 is connected to an upper surface thereof.
【００３７】リヤフロアパネル２の上方にはラゲッジル
ーム３が設定されている。４はフロア一般面を構成する
フロアボードを示しており、ここでは、このフロアボー
ド（フロア一般面）４を前記リヤサイドメンバ１の上面
であるリヤフロアパネル２よりも所定高さ上方に離間し
て、前記ラゲッジルーム３を、メインラゲッジルーム３
Ａと、スペアタイヤ収容部やサブトランクとして利用す
るアンダーフロアボックス３Ｂとに分割している。A luggage room 3 is set above the rear floor panel 2. Reference numeral 4 denotes a floor board constituting a floor general surface. Here, the floor board (floor general surface) 4 is separated from the rear floor panel 2 which is the upper surface of the rear side member 1 by a predetermined height, and The luggage room 3 is replaced with the main luggage room 3
A and an underfloor box 3B used as a spare tire storage section and a sub-trunk.
【００３８】５は、車幅方向に配設されるリヤエンドク
ロスパネル６とリヤパネル７とをその前部下端のフラン
ジ部６ａ，７ａと後部上端の６ｂ，７ｂとを接合して成
る車両骨格部材としてのクロスメンバで、該クロスメン
バ５はその上面を荷物の搭載作業性等を考慮してフロア
一般面４と同じ高さにするため、クロスメンバ５を前記
リヤサイドメンバ１の後方で、かつ、上方にオフセット
配置して、その前部下端５ａで前記リヤサイドメンバ１
の後端部のフランジ部１ａに接続してある。Reference numeral 5 denotes a vehicle frame member formed by joining a rear end cross panel 6 and a rear panel 7 disposed in the vehicle width direction to flange portions 6a, 7a at the front lower end and 6b, 7b at the rear upper end. In order to make the upper surface of the cross member 5 the same height as the floor general surface 4 in consideration of the workability of loading luggage and the like, the cross member 5 is placed behind and above the rear side member 1. At the front lower end 5a of the rear side member 1
Is connected to the flange 1a at the rear end.
【００３９】２７は、前記リヤサイドメンバ１の後端部
のフランジ部１ａに、該後端部１ａと車両前後方向に隣
接して、その後方に延在する衝撃吸収部材を示してい
る。Numeral 27 denotes a shock absorbing member extending rearward of the flange 1a at the rear end of the rear side member 1, adjacent to the rear end 1a in the vehicle longitudinal direction.
【００４０】前記衝撃吸収部材２７は、前端部２８ａを
前記リヤサイドメンバ１の後端部のフランジ部１ａに接
続すると共に、後端部２８ｂを前記リヤクロスメンバ５
の後面に接続するステー部２８と、該ステー部２８の後
端部２８ｂに接続され、車両の後面衝突時にその衝撃を
吸収する衝撃吸収部２９とから構成されている。The shock absorbing member 27 has a front end 28a connected to a flange 1a at a rear end of the rear side member 1, and a rear end 28b connected to the rear cross member 5a.
And a shock absorbing portion 29 connected to the rear end 28b of the stay portion 28 and absorbing the shock at the time of a rear collision of the vehicle.
【００４１】該衝撃吸収部２９は、その前端部に、前記
ステー部の後端部２８ｂに接続するフランジ部２９ａを
備え、続く後部には衝撃を吸収するように車両後方に向
かって階段状に断面が縮小するように形成された段差部
２９ｃとを備えている。The shock absorbing portion 29 has a flange portion 29a connected to a rear end portion 28b of the stay portion at a front end thereof, and a stepped rearward rearward portion of the vehicle so as to absorb a shock. And a step portion 29c formed so as to reduce the cross section.
【００４２】前記クロスメンバ５の閉断面内部には、該
クロスメンバ５の前部下端５ａと後部上面とを繋ぐブレ
ース８をリヤサイドメンバ１の後端部及び衝撃吸収部材
２７に対応する部分に設けて該クロスメンバ５の剛性向
上を図っている。Inside the closed cross section of the cross member 5, a brace 8 connecting the front lower end 5a of the cross member 5 and the rear upper surface is provided at the rear end of the rear side member 1 and at a portion corresponding to the shock absorbing member 27. Thus, the rigidity of the cross member 5 is improved.
【００４３】また、この実施形態では、これらの上方の
図外に配設されるバックピラーを支持するレインフォー
ス３０も、前記クロスメンバ５の閉断面内部で、かつ、
リヤサイドメンバ１の後端部及び衝撃吸収部材２７に対
応する部分に設けてあるので、該クロスメンバ５の剛性
がさらに向上されている。Further, in this embodiment, the reinforcement 30 supporting the back pillars disposed above and outside the drawing is also provided inside the closed cross section of the cross member 5 and
Since it is provided at the rear end of the rear side member 1 and at the portion corresponding to the shock absorbing member 27, the rigidity of the cross member 5 is further improved.
【００４４】に対応する部分に設けて該クロスメンバ５
の剛性向上を図っている。The cross member 5 is provided at a portion corresponding to
To improve rigidity.
【００４５】また、前記衝撃吸収部材２７は、リヤサイ
ドメンバ１の後端部のフランジ部１ａ及びリヤクロスメ
ンバ５の後面に接続する際、本実施形態ではボルト・ナ
ット３１，３２により締結固定してある。In the present embodiment, when the impact absorbing member 27 is connected to the flange 1a at the rear end of the rear side member 1 and the rear surface of the rear cross member 5, it is fastened and fixed by bolts and nuts 31, 32 in this embodiment. is there.
【００４６】しかも、このボルトナット３１，３２によ
り、該衝撃吸収部材２７と共に、前述のリヤクロスエン
ドパネル６，リヤパネル７，リヤクロスメンバ５の閉断
面内部に設けられるブレース８，バックピラーレインフ
ォース３０を、リヤサイドメンバ１の後端部のフランジ
部１ａ及びリヤクロスメンバ５の後面に締結固定してあ
るので、結合部の剛性を高められると共に、該締結固定
部を衝撃入力の伝達系路として確実に衝撃入力をリヤサ
イドメンバに伝えることができる。In addition, the bolt nuts 31 and 32 together with the shock absorbing member 27, the brace 8 provided inside the closed cross section of the rear cross end panel 6, the rear panel 7, and the rear cross member 5, and the back pillar reinforce 30 Is fixedly fastened to the flange 1a at the rear end of the rear side member 1 and to the rear surface of the rear cross member 5, so that the rigidity of the coupling portion can be increased and the fastening portion can be reliably used as a transmission path for impact input. The shock input can be transmitted to the rear side member.
【００４７】９，１０は、クリップ（取付部材）１１を
介して前記リヤクロスメンバ１の上面に設けられ、前記
フロアボード４の後端部を構成するリテーナを示してい
る。Reference numerals 9 and 10 denote retainers provided on the upper surface of the rear cross member 1 via clips (mounting members) 11 and constituting the rear end of the floor board 4.
【００４８】また、１２はアウタパネル１２Ａとインナ
パネル１２Ｂとから成るリヤゲート、１３は前記クロス
メンバ５の後部上端のフランジ部５ｂに設けられたシー
ル部材を示している。Reference numeral 12 denotes a rear gate composed of an outer panel 12A and an inner panel 12B, and reference numeral 13 denotes a seal member provided on a flange 5b at a rear upper end of the cross member 5.
【００４９】１４は車幅方向に配設されたバンパーステ
ー１５に取り付けたバンパーを示している。Reference numeral 14 denotes a bumper attached to a bumper stay 15 arranged in the vehicle width direction.
【００５０】なお、１６は車内の水密性確保のために接
続部に施したペイントシール等のシール処理部である。Reference numeral 16 denotes a seal processing section such as a paint seal applied to a connection section for ensuring watertightness in the vehicle.
【００５１】以上の実施形態の構造によれば、ラゲッジ
ルーム３のフロアボード（フロア一般面）４の後端部を
構成する車幅方向骨格部材であるリヤクロスメンバ５を
前部下端５ａでリヤサイドメンバ１の後端部のフランジ
部１ａに接続し、該リヤクロスメンバ５を前記リヤサイ
ドメンバ１の後方で、かつ、上方にオフセット配置する
と共に、前記リヤサイドメンバ１の後端部に、該後端部
と車両前後方向に隣接して、その後方に延在する衝撃吸
収部材２７を接続し、かつ、該衝撃吸収部材２７とその
上方に配置された前記リヤクロスメンバ５の後面とを接
続してあるため、衝撃吸収部材２７によって、リヤサイ
ドメンバ１とリヤクロスメンバー５とが結合されるの
で、走行入力や車両の後面衝突時に対する剛性を充分に
確保することができる。According to the structure of the above embodiment, the rear cross member 5, which is a frame member in the vehicle width direction, that constitutes the rear end of the floorboard (general floor) 4 of the luggage room 3 is connected to the front lower end 5a by the rear side. The rear cross member 5 is connected to the flange 1a at the rear end of the member 1, and the rear cross member 5 is arranged offset behind and above the rear side member 1, and the rear end of the rear side member 1 is attached to the rear end. A shock absorbing member 27 extending rearward is connected adjacent to the portion in the vehicle front-rear direction, and the shock absorbing member 27 is connected to a rear surface of the rear cross member 5 disposed above the shock absorbing member 27. Therefore, the rear side member 1 and the rear cross member 5 are connected by the shock absorbing member 27, so that sufficient rigidity can be secured against a driving input or a rear collision of the vehicle. .
【００５２】しかも、衝撃吸収部材２７によって、車両
の後面衝突時における衝撃入力を前記リヤサイドメンバ
１に伝えられることができると共に、該衝撃吸収部材２
７によって該衝撃入力を吸収することができるので、リ
ヤクロスメンバ５を構成するリヤパネル６等の大型の外
板パネルへの衝撃入力の影響を軽減することができる。Further, the shock input at the time of a rear collision of the vehicle can be transmitted to the rear side member 1 by the shock absorbing member 27, and the shock absorbing member 2
7, the shock input can be absorbed, so that the influence of the shock input to a large outer panel such as the rear panel 6 constituting the rear cross member 5 can be reduced.
【００５３】特に本実施形態では、以上の効果に加え
て、前記衝撃吸収部材２７は、前端部２８ａを前記リヤ
サイドメンバ１の後端部のフランジ部１ａに接続すると
共に、後端部２８ｂを前記リヤクロスメンバ５の後面に
接続するステー部２８と、該ステー部２８の後端部２８
ｂに接続され、車両の後面衝突時にその衝撃を吸収する
衝撃吸収部２９とから構成してあるため、車両の後面衝
突時にリヤクロスメンバ５の後方に位置するこの衝撃吸
収部２９により、後面衝突による衝撃入力を充分に吸収
すると共に、リヤクロスメンバ５の配設相当位置では、
前記ステー部２８によって前記衝撃入力をリヤサイドメ
ンバ１に伝達し、リヤサイドメンバ１で衝撃入力を受け
る構造とすることができる。In particular, in this embodiment, in addition to the above effects, the shock absorbing member 27 connects the front end 28a to the flange 1a at the rear end of the rear side member 1, and connects the rear end 28b to the rear end 28b. A stay portion 28 connected to the rear surface of the rear cross member 5 and a rear end portion 28 of the stay portion 28
b, which is connected to the rear end of the rear cross member 5 at the time of a rear collision of the vehicle. In addition to absorbing the shock input by the rear cross member 5,
The impact input may be transmitted to the rear side member 1 by the stay portion 28, and the rear side member 1 may receive the impact input.
【００５４】従って、車両の後面衝突時の衝撃入力を該
衝撃吸収部材２７で効果的に吸収，伝達することによ
り、リヤクロスメンバ５を構成するリヤパネル６等の大
型の外板パネルへの衝撃入力による影響をさらに軽減，
回避することができ、ひいては、車両の後面衝突時にお
ける補修作業を衝撃吸収部材２７にとどめ、補修作業性
を向上し補修コストを低減することができる。Accordingly, the shock input to the large outer panel such as the rear panel 6 constituting the rear cross member 5 is effectively absorbed and transmitted by the shock absorbing member 27 in the event of a rear collision of the vehicle. Further reduce the impact of
Thus, the repair work at the time of a rear collision of the vehicle can be limited to the shock absorbing member 27, so that the repair workability can be improved and the repair cost can be reduced.
【００５５】また、前記衝撃吸収部材２７を、リヤサイ
ドメンバ１の後端部にボルト・ナット３１，３２により
締結固定してあるため、該衝撃吸収部材２７の組付・交
換作業を容易にし、組付作業性の向上はもちろんのこ
と、車両の後面衝突時における補修作業の作業性を格段
に向上することができる。Further, since the shock absorbing member 27 is fastened and fixed to the rear end of the rear side member 1 by bolts and nuts 31, 32, the work of assembling and replacing the shock absorbing member 27 is facilitated. Not only the workability can be improved, but also the workability of the repair work at the time of a rear collision of the vehicle can be remarkably improved.
【００５６】さらに、前記リヤクロスメンバ５の後面の
前記衝撃吸収部材２７との接続部と、リヤサイドメンバ
１の後端部とを結ぶブレース８を、前記リヤクロスメン
バ５の閉断面内部に設けてあるため、前記リヤクロスメ
ンバ５の剛性向上を図ることができ、走行入力や車両の
後面衝突時に対する剛性をさらに確保することができ
る。Further, a brace 8 connecting a connecting portion of the rear surface of the rear cross member 5 with the shock absorbing member 27 and a rear end of the rear side member 1 is provided inside the closed cross section of the rear cross member 5. Therefore, the rigidity of the rear cross member 5 can be improved, and the rigidity against a traveling input and a rear collision of the vehicle can be further secured.
【００５７】なお、以上の実施形態では、バックドアを
有するワゴンタイプの車両を例にとって説明したが、本
発明の自動車の後部車体構造の適用範囲はこれに限ら
ず、例えば、セダンやクーペ及びハッチバック等、車両
後方に備えたラゲッジルームのフロア一般面がリヤサイ
ドメンバ上面よりも所定高さ上方に離間した車両であれ
ば良い。In the above embodiment, a wagon-type vehicle having a back door has been described as an example. However, the application range of the rear body structure of the automobile of the present invention is not limited to this. For example, a sedan, a coupe, and a hatchback For example, any vehicle may be used as long as the floor general surface of the luggage room provided at the rear of the vehicle is separated from the upper surface of the rear side member by a predetermined height.
【００５８】特に、セダンタイプのトランクルーム（ラ
ゲッジルーム）を開閉するトランクリッドがフロア一般
面まで開口するものであれは、本実施形態とほとんど同
様である。In particular, the configuration is almost the same as that of the present embodiment as long as the trunk lid for opening and closing the sedan type luggage room (luggage room) opens to the general surface of the floor.
【００５９】もちろん、トランクリッド等のリヤゲート
がフロア一般面まで開口しないものでも上記構造を満た
していれば、適用可能なのは言うまでもない。Of course, it is needless to say that the present invention is applicable even if the rear gate such as a trunk lid does not open to the general floor surface as long as the above structure is satisfied.
【図１】本発明の実施形態を示す分解斜視図。FIG. 1 is an exploded perspective view showing an embodiment of the present invention.
【図２】同実施形態の要部を示す側方断面図。FIG. 2 is a side sectional view showing a main part of the embodiment.
【図３】従来の構造を示す図２相当の断面図。FIG. 3 is a cross-sectional view corresponding to FIG. 2, showing a conventional structure.
【図４】異なる従来の構造を示す図２相当の断面図。FIG. 4 is a sectional view corresponding to FIG. 2 showing a different conventional structure.
１ リヤサイドメンバ ３ ラゲッジルーム ４ フロアボード（フロア一般面） ５ クロスメンバ ８ ブレース ２７ 衝撃吸収部材 ２８ ステー部 ２９ 衝撃吸収部 DESCRIPTION OF SYMBOLS 1 Rear side member 3 Luggage room 4 Floor board (floor general surface) 5 Cross member 8 Brace 27 Shock absorbing member 28 Stay part 29 Shock absorbing part
Claims (4)
ゲッジルームのフロア一般面が前後方向骨格部材である
リヤサイドメンバの上面よりも所定高さ上方に離間した
構造であって、 前記ラゲッジルームのフロア一般面の後端部を構成する
車幅方向骨格部材であるリヤクロスメンバを前部下端で
前記リヤサイドメンバの後端部に接続し、該リヤクロス
メンバを前記リヤサイドメンバの後方で、かつ、上方に
オフセット配置すると共に、 前記リヤサイドメンバの後端部に、該後端部と車両前後
方向に隣接して、その後方に延在する衝撃吸収部材を接
続し、かつ、該衝撃吸収部材とその上方に配置された前
記リヤクロスメンバの後面とを接続したことを特徴とす
る自動車の後部車体構造。1. A structure having a luggage room at a rear portion of a vehicle, wherein a general floor surface of the luggage room is separated from the upper surface of a rear side member, which is a longitudinal frame member, by a predetermined height, and A rear cross member, which is a vehicle width direction frame member constituting a rear end of the floor general surface, is connected to a rear end of the rear side member at a front lower end, and the rear cross member is rearward of the rear side member, and At the same time, the shock absorbing member is connected to the rear end of the rear side member, and the rear end is adjacent to the rear end in the vehicle front-rear direction and extends rearward. A rear body structure of an automobile, wherein the rear body member is connected to a rear surface of the rear cross member disposed above.
サイドメンバの後端部に接続すると共に、後端部を前記
リヤクロスメンバの後面に接続するステー部と、 該ステー部の後端部に接続され、車両の後面衝突時にそ
の衝撃を吸収する衝撃吸収部とから構成したことを特徴
とする請求項１に記載の自動車の後部車体構造。2. A stay portion having a front end connected to a rear end of the rear side member and a rear end connected to a rear surface of the rear cross member, and a rear end of the stay. 2. A rear body structure of an automobile according to claim 1, further comprising: a shock absorbing portion connected to the rear surface of the vehicle and absorbing a shock at the time of a rear collision of the vehicle.
端部に締結固定したことを特徴とする請求項１または請
求項２に記載の自動車の後部車体構造。3. The rear body structure of an automobile according to claim 1, wherein said shock absorbing member is fastened and fixed to a rear end of a rear side member.
収部材との接続部と、リヤサイドメンバ後端部とを結ぶ
ブレースを、前記リヤクロスメンバの閉断面内部に設け
たことを特徴とする請求項１〜３の何れか一項に記載の
自動車の後部車体構造。4. A brace connecting a connecting portion of the rear cross member with the shock absorbing member on a rear surface thereof and a rear end of a rear side member is provided inside a closed cross section of the rear cross member. The rear body structure of an automobile according to any one of claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000215799A JP3807202B2 (en) | 2000-07-17 | 2000-07-17 | Rear body structure of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000215799A JP3807202B2 (en) | 2000-07-17 | 2000-07-17 | Rear body structure of automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002029457A true JP2002029457A (en) | 2002-01-29 |
| JP3807202B2 JP3807202B2 (en) | 2006-08-09 |
Family
ID=18711163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000215799A Expired - Lifetime JP3807202B2 (en) | 2000-07-17 | 2000-07-17 | Rear body structure of automobile |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3807202B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006273126A (en) * | 2005-03-29 | 2006-10-12 | Mazda Motor Corp | Rear body structure of vehicle |
| EP1657141A3 (en) * | 2004-11-12 | 2007-05-16 | Mazda Motor Corporation | Automobile rear body structure |
| JP2007269087A (en) * | 2006-03-30 | 2007-10-18 | Mazda Motor Corp | Rear structure of vehicle body |
| JP2012111307A (en) * | 2010-11-24 | 2012-06-14 | Honda Motor Co Ltd | Vehicle body rear part structure |
| FR2977222A3 (en) * | 2011-07-01 | 2013-01-04 | Renault Sa | Chassis for car, has reinforcement defining spacer and fixed at shock absorber that is placed in vicinity of crosspiece and rear skirt, where reinforcement extending in hollow body is defined in rear skirt unit |
| CN114728674A (en) * | 2019-10-08 | 2022-07-08 | 昂登坦汽车工程有限责任公司 | Vehicle side structure |
-
2000
- 2000-07-17 JP JP2000215799A patent/JP3807202B2/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1657141A3 (en) * | 2004-11-12 | 2007-05-16 | Mazda Motor Corporation | Automobile rear body structure |
| US7347475B2 (en) | 2004-11-12 | 2008-03-25 | Mazda Motor Corporation | Automobile rear body structure |
| JP2006273126A (en) * | 2005-03-29 | 2006-10-12 | Mazda Motor Corp | Rear body structure of vehicle |
| JP2007269087A (en) * | 2006-03-30 | 2007-10-18 | Mazda Motor Corp | Rear structure of vehicle body |
| JP2012111307A (en) * | 2010-11-24 | 2012-06-14 | Honda Motor Co Ltd | Vehicle body rear part structure |
| FR2977222A3 (en) * | 2011-07-01 | 2013-01-04 | Renault Sa | Chassis for car, has reinforcement defining spacer and fixed at shock absorber that is placed in vicinity of crosspiece and rear skirt, where reinforcement extending in hollow body is defined in rear skirt unit |
| CN114728674A (en) * | 2019-10-08 | 2022-07-08 | 昂登坦汽车工程有限责任公司 | Vehicle side structure |
| CN114728674B (en) * | 2019-10-08 | 2023-11-14 | 昂登坦汽车工程有限责任公司 | vehicle side structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3807202B2 (en) | 2006-08-09 |
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