JPH0699858A - Rear body structure - Google Patents
Rear body structureInfo
- Publication number
- JPH0699858A JPH0699858A JP25009792A JP25009792A JPH0699858A JP H0699858 A JPH0699858 A JP H0699858A JP 25009792 A JP25009792 A JP 25009792A JP 25009792 A JP25009792 A JP 25009792A JP H0699858 A JPH0699858 A JP H0699858A
- Authority
- JP
- Japan
- Prior art keywords
- side member
- floor side
- rear floor
- vehicle body
- reinforcement
- 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.)
- Pending
Links
Landscapes
- Body Structure For Vehicles (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、自動車の後部車体構造
に係り、特に前後に２分割されたリヤフロアサイドメン
バを備えた後部車体構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rear vehicle body structure of an automobile, and more particularly to a rear vehicle body structure including front and rear divided rear floor side members.
【０００２】[0002]
【従来の技術】自動車のリヤフロアサイドメンバでは、
修理の際の効率等を考慮して、前後に２分割構造とした
ものが知られており、その一例が実開昭６３−１４５７
７３号に示されている。2. Description of the Related Art In a rear floor side member of an automobile,
It is known that the front and rear parts are divided into two parts in consideration of efficiency at the time of repair.
No. 73.
【０００３】図７に示される如く、この後部車体構造で
は、リヤフロアサイドメンバ７０が前側リヤフロアサイ
ドメンバ７２と後側リヤフロアサイドメンバ７４とに２
分割されている。また、後側リヤフロアサイドメンバ７
４は開口部を車体上下方向上側に向けた断面コ字状とさ
れており、フランジ７４Ａ、７４Ｂがリヤフロアパン７
６（図８参照）に結合されている。一方、前側リヤフロ
アサイドメンバ７２は開口部を車幅方向外側に向けた断
面コ字状とされており、後端部７２Ａが、後側リヤフロ
アサイドメンバ７４の前端部７４Ｃに嵌入して結合され
るとともに、フランジ７２Ｂ、７２Ｃがそれぞれ図示を
省略したリヤホイルハウスに結合されている。As shown in FIG. 7, in this rear vehicle body structure, the rear floor side member 70 is divided into a front rear floor side member 72 and a rear rear floor side member 74.
It is divided. Also, the rear rear floor side member 7
4 has a U-shaped cross section with the opening facing upward in the vertical direction of the vehicle body, and the flanges 74A and 74B are the rear floor pan 7
6 (see FIG. 8). On the other hand, the front rear floor side member 72 has a U-shaped cross section with the opening facing outward in the vehicle width direction, and the rear end portion 72A is fitted and coupled to the front end portion 74C of the rear rear floor side member 74. At the same time, the flanges 72B and 72C are respectively coupled to a rear wheel house (not shown).
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、この後
部車体構造においては、前側リヤフロアサイドメンバ７
２が開口部を車幅方向外側に向けた断面コ字状とされて
おり、一方、後側リヤフロアサイドメンバ７４は、開口
部を車体上下方向上側に向けた断面コ字状とされてい
る。従って、図８に示される如く、前側リヤフロアサイ
ドメンバ７２と後側リヤフロアサイドメンバ７４との継
手部８０においては、フランジ７２Ｂ、７２Ｃを切欠く
とともに、溶接ガンを挿入するための作業孔７２Ｄを穿
設する必要がある。また、前側リヤフロアサイドメンバ
７２と後側リヤフロアサイドメンバ７４との接合面が車
幅方向内側面８０Ａと車体上下方向下側面８０Ｂとの２
面となるため、溶接打点が少なくなる。このため、継手
部の結合剛性を向上させることが困難であった。However, in this rear body structure, the front rear floor side member 7 is used.
2 has a U-shaped cross section with the opening facing outward in the vehicle width direction, while the rear rear floor side member 74 has a U-shaped cross section with the opening facing upward in the vehicle body vertical direction. Therefore, as shown in FIG. 8, in the joint portion 80 between the front rear floor side member 72 and the rear rear floor side member 74, the flanges 72B and 72C are cut out and a working hole 72D for inserting the welding gun is formed. Need to be installed. Further, the joint surface between the front rear floor side member 72 and the rear rear floor side member 74 is the inner side surface 80A in the vehicle width direction and the lower side surface 80B in the vehicle body vertical direction.
Since it is a surface, the number of welding spots is reduced. Therefore, it is difficult to improve the joint rigidity of the joint portion.
【０００５】本発明は上記事実を考慮し、車体前後方向
に２分割されたリヤフロアサイドメンバの継手部の結合
剛性を向上させることができる後部車体構造を得ること
が目的である。In view of the above facts, an object of the present invention is to obtain a rear vehicle body structure capable of improving the joint rigidity of a joint portion of a rear floor side member divided into two in the vehicle front-rear direction.
【０００６】[0006]
【課題を解決するための手段】請求項１に記載の発明の
後部車体構造は、車体後部に車体前後方向に沿って配設
され開口部を車幅方向外側へ向け断面コ字状とされたリ
ヤフロアサイドメンバと、このリヤフロアサイドメンバ
の車幅方向外側に配設されたリヤホイルハウスと、を有
する後部車体構造であって、前記リヤフロアサイドメン
バが前記リヤホイルハウスの後部で前側リヤフロアサイ
ドメンバと後側リヤフロアサイドメンバとに２分割さ
れ、且つこれらの前側リヤフロアサイドメンバと後側リ
ヤフロアサイドメンバとの継手部が前記リヤホイルハウ
スに結合されたことを特徴としている。In the rear vehicle body structure according to the invention described in claim 1, the rear vehicle body structure is provided in the rear portion of the vehicle body along the longitudinal direction of the vehicle body, and the opening has a U-shaped cross section toward the vehicle width direction outer side. A rear vehicle body structure having a rear floor side member and a rear wheel house disposed outside the rear floor side member in the vehicle width direction, wherein the rear floor side member is a rear rear floor side member and a rear side at the rear of the rear wheel house. A rear floor side member is divided into two parts, and a joint portion between the front rear floor side member and the rear rear floor side member is joined to the rear wheel house.
【０００７】また、請求項２に記載の発明の後部車体構
造は、請求項１に記載の発明において、前記後側リヤフ
ロアサイドメンバの開口部を閉塞し前記後側リヤフロア
サイドメンバとで閉断面構造を形成するリインフォース
を設けたことを特徴としている。The rear vehicle body structure according to a second aspect of the present invention is the rear vehicle body structure according to the first aspect of the present invention, in which the opening of the rear rear floor side member is closed and the rear rear floor side member is closed. It is characterized by the provision of a reinforcement that forms the.
【０００８】また、請求項３に記載の発明の後部車体構
造は、請求項２に記載の発明において、前記リヤホイル
ハウスの後方において前記後側リヤフロアサイドメンバ
と前記リインフォースとの結合面を略水平としたことを
特徴としている。Further, in the rear vehicle body structure according to a third aspect of the present invention, in the invention according to the second aspect, the connecting surface between the rear rear floor side member and the reinforcement is substantially horizontal behind the rear wheel house. It is characterized by having done.
【０００９】[0009]
【作用】請求項１に記載の発明の後部車体構造によれ
ば、前側リヤフロアサイドメンバと後側リヤフロアサイ
ドメンバとがともに、開口部を車幅方向外側へ向けた断
面コ字状とされており、且つ前側リヤフロアサイドメン
バと後側リヤフロアサイドメンバの継手部がリヤホイル
ハウスに結合されている。従って、継手部の接合面積及
び溶接打点を増やすことができるとともに、継手部がリ
ヤホイルハウスによって補強されるため、継手部の結合
剛性を向上させることができる。According to the rear vehicle body structure of the first aspect of the invention, both the front rear floor side member and the rear rear floor side member are U-shaped in cross section with their openings facing outward in the vehicle width direction. The joint portion of the front rear floor side member and the rear rear floor side member is connected to the rear wheel house. Therefore, it is possible to increase the joint area and the welding spot of the joint portion, and since the joint portion is reinforced by the rear wheel house, the joint rigidity of the joint portion can be improved.
【００１０】また、請求項２に記載の発明の後部車体構
造によれば、リインフォースによって、後側リヤフロア
サイドメンバの開口部を閉塞したため、リインフォース
と後側リヤフロアサイドメンバとで閉断面構造を形成す
ることができ、リヤフロアサイドメンバの全体剛性を向
上することができる。According to the rear vehicle body structure of the second aspect of the invention, since the opening of the rear rear floor side member is closed by the reinforcement, the reinforcement and the rear rear floor side member form a closed cross-section structure. Therefore, the overall rigidity of the rear floor side member can be improved.
【００１１】また、請求項３に記載の発明の後部車体構
造によれば、リヤホイルハウスの後方において後側リヤ
フロアサイドメンバとリインフォースとの結合面を略水
平としたため、リヤフロアをフラットにでき、車体の後
部空間を有効利用できる。According to the rear vehicle body structure of the third aspect of the present invention, the rear floor can be made flat because the connecting surface between the rear rear floor side member and the reinforcement is substantially horizontal behind the rear wheel house. The rear space can be effectively used.
【００１２】[0012]
【実施例】本発明の後部車体構造の第１実施例を図１〜
図３に従って説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the rear body structure of the present invention is shown in FIGS.
It will be described with reference to FIG.
【００１３】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, an arrow FR indicates the front direction of the vehicle body, an arrow IN indicates the inner side direction of the vehicle, and an arrow UP indicates the upper direction of the vehicle body.
【００１４】図１に示される如く、車体後部１０の車幅
方向外側には、リヤホイルハウスインナ１２が配設され
ている。このリヤホイルハウスインナ１２の車幅方向内
側には、車体前後方向へ延びるリヤサイドメンバ１４が
配設されている。このリヤサイドメンバ１４は、リヤホ
イルハウスインナ１２の後部１２Ａと対応する部位にお
いて、前側リヤフロアサイドメンバ１６と後側リヤフロ
アサイドメンバ１８とに２分割されている。As shown in FIG. 1, a rear wheel house inner 12 is disposed outside the vehicle body rear portion 10 in the vehicle width direction. A rear side member 14 extending in the vehicle body front-rear direction is arranged inside the rear wheel house inner 12 in the vehicle width direction. The rear side member 14 is divided into a front rear floor side member 16 and a rear rear floor side member 18 at a portion corresponding to the rear portion 12A of the rear wheel house inner 12.
【００１５】図２に示される如く、前側リヤフロアサイ
ドメンバ１６は、開口部を車幅方向外側へ向けた断面コ
字状とされている。また、前側リヤフロアサイドメンバ
１６の後部１６Ａの後端近傍を除く部位においては、上
壁部１６Ｂの車幅方向外側端部が車体上下方向上側へ屈
曲されフランジ１６Ｃとされており、下壁部１６Ｄの車
幅方向外側端部が車体上下方向下側へ屈曲されフランジ
１６Ｅとされている。As shown in FIG. 2, the front rear floor side member 16 has a U-shaped cross section with the opening facing outward in the vehicle width direction. In addition, in a portion other than the vicinity of the rear end of the rear portion 16A of the front rear floor side member 16, the outer end portion in the vehicle width direction of the upper wall portion 16B is bent upward in the vehicle body vertical direction to form a flange 16C, and the lower wall portion 16D. The outer end portion of the vehicle width direction is bent downward in the vehicle body vertical direction to form a flange 16E.
【００１６】図３（Ａ）に示される如く、前側リヤフロ
アサイドメンバ１６のフランジ１６Ｃ、１６Ｅは、リヤ
ホイルハウスインナ１２の側壁部１２Ｂに溶着されてお
り、リヤホイルハウスインナ１２とで、略車体前後方向
へ延びる閉断面構造１９を形成している。As shown in FIG. 3 (A), the flanges 16C and 16E of the front rear floor side member 16 are welded to the side wall portion 12B of the rear wheel house inner 12, and together with the rear wheel house inner 12, the front-rear direction of the vehicle body. Forming a closed cross-section structure 19 extending to.
【００１７】なお、図３（Ａ）の符号２１はリヤセンタ
フロアパンを示している。図２に示される如く、後側リ
ヤフロアサイドメンバ１８は、開口部を車幅方向外側へ
向けた断面コ字状とされている。この後側リヤフロアサ
イドメンバ１８の上壁部１８Ａの車幅方向外側端部は車
体上下方向上側へ屈曲されフランジ１８Ｂとされてお
り、下壁部１８Ｃの車幅方向外側端部は車体上下方向下
側へ屈曲されフランジ１６Ｄとされている。Reference numeral 21 in FIG. 3A indicates a rear center floor pan. As shown in FIG. 2, the rear rear floor side member 18 has a U-shaped cross section with the opening facing outward in the vehicle width direction. An outer end portion of the upper wall portion 18A of the rear rear floor side member 18 in the vehicle width direction is bent upward in the vehicle body vertical direction to form a flange 18B, and an outer end portion of the lower wall portion 18C in the vehicle width direction is lowered in the vehicle body up and down direction. It is bent to the side to form a flange 16D.
【００１８】図１に示される如く、後側リヤフロアサイ
ドメンバ１８の前端部１８Ｅの車幅方向外側部は、リヤ
ホイルハウスインナ１２の後部１２Ａに沿って車幅方向
内側へ凹陥されており、この前端部１８Ｅには、前側リ
ヤフロアサイドメンバ１６の後部１６Ａが嵌入され、継
手部２８とされている。As shown in FIG. 1, the outer portion in the vehicle width direction of the front end portion 18E of the rear rear floor side member 18 is recessed inward in the vehicle width direction along the rear portion 12A of the rear wheel house inner 12. The rear portion 16A of the front rear floor side member 16 is fitted into the portion 18E to form a joint portion 28.
【００１９】図２に示される如く、後側リヤフロアサイ
ドメンバ１８の車幅方向外側には、後側リヤフロアサイ
ドメンバ１８に沿って平板状のリインフォース２０が配
設されており、このリインフォース２０の前端部２０Ａ
は、リヤホイルハウスインナ１２の後部１２Ａに沿って
車幅方向内側へ若干湾曲している。As shown in FIG. 2, a flat plate-shaped reinforcement 20 is disposed outside the rear rear floor side member 18 in the vehicle width direction along the rear rear floor side member 18, and the front end of the reinforcement 20 is provided. Part 20A
Is slightly curved inward in the vehicle width direction along the rear portion 12A of the rear wheel house inner 12.
【００２０】図３（Ｃ）に示される如く、後側リヤフロ
アサイドメンバ１８のフランジ１８Ｂは、リインフォー
ス２０の上端縁部２０Ｂに溶着されており、後側リヤフ
ロアサイドメンバ１８のフランジ１８Ｄは、リインフォ
ース２０の下端縁部２０Ｃに溶着されている。従って、
後側リヤフロアサイドメンバ１８はリインフォース２０
とで、略車体前後方向へ延びる閉断面構造２２を形成し
ている。As shown in FIG. 3C, the flange 18B of the rear rear floor side member 18 is welded to the upper edge 20B of the reinforcement 20, and the flange 18D of the rear rear floor side member 18 is connected to the reinforcement 20. Is welded to the lower end edge portion 20C. Therefore,
The rear rear floor side member 18 is a reinforcement 20.
And form a closed cross-section structure 22 extending substantially in the front-rear direction of the vehicle body.
【００２１】なお、図３（Ｃ）の符号２４はリヤフロア
サイドパンを示している。図３（Ｂ）に示される如く、
後側リヤフロアサイドメンバ１８と前側リヤフロアサイ
ドメンバ１６との継手部２８では、後側リヤフロアサイ
ドメンバ１８の内周部に前側リヤフロアサイドメンバ１
６の外周部が溶着されており、閉断面構造１９と閉断面
構造２２とが連結されている。また、継手部２８の前部
では、リインフォース２０の前端部２０Ａが、リヤホイ
ルハウスインナ１２の後部１２Ａの側壁部１２Ｂに溶着
されており、後側リヤフロアサイドメンバ１８のフラン
ジ１８Ｂとリインフォース２０の上端縁部２０Ｂとの間
に、前側リヤフロアサイドメンバ１６のフランジ１６Ｃ
が溶着され、後側リヤフロアサイドメンバ１８のフラン
ジ１８Ｄとリインフォース２０の下端縁部２０Ｃとの間
に、前側リヤフロアサイドメンバ１６のフランジ１６Ｅ
が溶着されている。Reference numeral 24 in FIG. 3 (C) indicates a rear floor side pan. As shown in FIG. 3 (B),
At the joint portion 28 between the rear rear floor side member 18 and the front rear floor side member 16, the front rear floor side member 1 is attached to the inner peripheral portion of the rear rear floor side member 18.
The outer peripheral part of 6 is welded, and the closed cross-section structure 19 and the closed cross-section structure 22 are connected. In the front part of the joint part 28, the front end part 20A of the reinforcement 20 is welded to the side wall part 12B of the rear part 12A of the rear wheel house inner 12, and the flange 18B of the rear rear floor side member 18 and the upper end edge of the reinforcement 20. The flange 16C of the front rear floor side member 16 is provided between the flange 16C and the portion 20B.
Is welded, and the flange 16E of the front rear floor side member 16 is provided between the flange 18D of the rear rear floor side member 18 and the lower end edge portion 20C of the reinforcement 20.
Is welded.
【００２２】次に、本実施例の作用を説明する。本実施
例の後部車体構造は、前側リヤフロアサイドメンバ１６
と後側リヤフロアサイドメンバ１８とがともに、開口部
を車幅方向外側へ向けた断面コ字状とされており、且つ
前側リヤフロアサイドメンバ１６と後側リヤフロアサイ
ドメンバ１８の継手部２８がリヤホイルハウス１２の後
部１２Ａの側壁部１２Ｂに溶着されている。Next, the operation of this embodiment will be described. The rear vehicle body structure of this embodiment includes a front rear floor side member 16
Both the rear rear floor side member 18 and the rear rear floor side member 18 have a U-shaped cross section with the opening facing outward in the vehicle width direction, and the joint portion 28 of the front rear floor side member 16 and the rear rear floor side member 18 has a rear wheel house. It is welded to the side wall portion 12B of the rear portion 12A of the twelve.
【００２３】従って、継手部２８の接合面積及び溶接打
点を増やすことができるとともに、継手部２８がリヤホ
イルハウス１２によって補強されるため、継手部２８の
結合剛性を向上させることができる。このため、リヤフ
ロアサイドメンバ１４全体の剛性が向上しボデー剛性が
向上して、操縦安定性及び耐騒音性が向上する。Therefore, the joint area and the welding spot of the joint portion 28 can be increased and the joint rigidity of the joint portion 28 can be improved because the joint portion 28 is reinforced by the rear wheel house 12. Therefore, the rigidity of the entire rear floor side member 14 is improved, the body rigidity is improved, and the steering stability and noise resistance are improved.
【００２４】また、前側リヤフロアサイドメンバ１６と
後側リヤフロアサイドメンバ１８とのつなぎ構造が、同
一開口方向の断面コ字状であるため、面精度が出し易
く、生産性が良い。Further, since the connecting structure of the front rear floor side member 16 and the rear rear floor side member 18 has a U-shaped cross section in the same opening direction, the surface accuracy is easy to obtain and the productivity is good.
【００２５】さらに、本実施例の後部車体構造によれ
ば、リインフォース２０によって、後側リヤフロアサイ
ドメンバ１８の開口部を閉塞し、リインフォース２０と
後側リヤフロアサイドメンバ１８とで閉断面構造２２を
形成したため、リヤフロアサイドメンバ１４の全体剛性
をさらに向上することができる。Further, according to the rear vehicle body structure of this embodiment, the opening of the rear rear floor side member 18 is closed by the reinforcement 20, and the closed cross-section structure 22 is formed by the reinforcement 20 and the rear rear floor side member 18. Therefore, the overall rigidity of the rear floor side member 14 can be further improved.
【００２６】次に、本発明の後部車体構造の第２実施例
を図４〜図６に従って説明する。なお、第１実施例と同
一部材については同一符号を付してその説明を省略す
る。Next, a second embodiment of the rear vehicle body structure of the present invention will be described with reference to FIGS. The same members as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.
【００２７】図４に示される如く、本実施例では、リヤ
ホイルハウス１２の後方において後側リヤフロアサイド
メンバ１８とリインフォース２０との結合面３０が略水
平とされている。As shown in FIG. 4, in this embodiment, the connecting surface 30 between the rear rear floor side member 18 and the reinforcement 20 is substantially horizontal behind the rear wheel house 12.
【００２８】即ち、図５に示される如く、後側リヤフロ
アサイドメンバ１８の前端部１８Ｅの後部から後方の部
位では、後側リヤフロアサイドメンバ１８の上壁部１８
Ａの車幅方向外側端部は車幅方向外側へ向けて延設され
たフランジ１８Ｆとされており、下壁部１８Ｃの車幅方
向外側端部は車幅方向外側へ向けて延設されたフランジ
１８Ｇとされている。また、リインフォース２０の前端
部２０Ａの後部から後方の部位では、リインフォース２
０の上端縁部が車幅方向外側へ向けて屈曲されフランジ
２０Ｄとされており、リインフォース２０の下端縁部が
車幅方向外側へ向けて屈曲されフランジ２０Ｅとされて
いる。That is, as shown in FIG. 5, in the rear portion from the rear of the front end portion 18E of the rear rear floor side member 18, the upper wall portion 18 of the rear rear floor side member 18 is formed.
The vehicle width direction outer end portion of A is a flange 18F extending toward the vehicle width direction outer side, and the vehicle width direction outer end portion of the lower wall portion 18C is extended toward the vehicle width direction outer side. It is a flange 18G. In addition, at the portion rearward from the rear portion of the front end portion 20A of the reinforcement 20, the reinforcement 2
The upper end edge of 0 is bent outward in the vehicle width direction to form a flange 20D, and the lower end edge of the reinforcement 20 is bent outward in the vehicle width direction to form a flange 20E.
【００２９】図６に示される如く、後側リヤフロアサイ
ドメンバ１８のフランジ１８Ｇは、リインフォース２０
のフランジ２０Ｅの下面に溶着されており、後側リヤフ
ロアサイドメンバ１８のフランジ１８Ｆは、リヤフロア
サイドパン２４の車幅方向内側縁部２４Ａを挟んでリイ
ンフォース２０のフランジ２０Ｄの上面に溶着されてい
る。As shown in FIG. 6, the flange 18G of the rear rear floor side member 18 is provided with a reinforcement 20.
Is welded to the lower surface of the flange 20E, and the flange 18F of the rear rear floor side member 18 is welded to the upper surface of the flange 20D of the reinforcement 20 with the vehicle width direction inner edge 24A of the rear floor side pan 24 sandwiched therebetween.
【００３０】従って、本実施例の後部車体構造は、第１
実施例と同様な効果が得られるとともに、リヤホイルハ
ウス１２の後方において後側リヤフロアサイドメンバ１
８とリインフォース２０との結合面３０を略水平とした
ため、リヤフロアをフラットにでき、車体の後部空間を
有効利用することができる。Therefore, the rear vehicle body structure of this embodiment has the first structure.
The same effect as that of the embodiment is obtained, and the rear rear floor side member 1 is provided behind the rear wheel house 12.
Since the connecting surface 30 between the reinforcement 8 and the reinforcement 20 is substantially horizontal, the rear floor can be made flat and the rear space of the vehicle body can be effectively used.
【００３１】[0031]
【発明の効果】請求項１記載の本発明後の後部車体構造
は、リヤフロアサイドメンバがリヤホイルハウスの後部
で前側リヤフロアサイドメンバと後側リヤフロアサイド
メンバとに２分割され、且つこれらの前側リヤフロアサ
イドメンバと後側リヤフロアサイドメンバとの継手部が
リヤホイルハウスに結合された構成としたので、車体前
後方向に２分割されたリヤフロアサイドメンバの継手部
の結合剛性を向上させることができるという優れた効果
を有する。In the rear vehicle body structure according to the first aspect of the present invention, the rear floor side member is divided into a front rear floor side member and a rear rear floor side member at the rear portion of the rear wheel house, and these front rear floor side members are formed. Since the joint portion between the member and the rear rear floor side member is connected to the rear wheel house, it is possible to improve the joint rigidity of the joint portion of the rear floor side member which is divided into two in the vehicle front-rear direction. Have.
【００３２】また、請求項２記載の本発明後の部車体構
造は、後側リヤフロアサイドメンバの開口部を閉塞し後
側リヤフロアサイドメンバとで閉断面構造を形成するリ
インフォースを設けた構成としたので、リヤフロアサイ
ドメンバの全体剛性を向上することができるという優れ
た効果を有する。Further, the rear vehicle body structure according to the second aspect of the present invention is configured such that the reinforcement of the rear rear floor side member is closed to form a closed cross-sectional structure with the rear rear floor side member. Therefore, there is an excellent effect that the overall rigidity of the rear floor side member can be improved.
【００３３】また、請求項３記載の本発明後の部車体構
造は、リヤホイルハウスの後方において後側リヤフロア
サイドメンバとリインフォースとの結合面を略水平とし
た構成としたので、リヤフロアをフラットにでき、車体
の後部空間を有効利用できるという優れた効果を有す
る。In the rear vehicle body structure according to the third aspect of the present invention, the rear floor can be made flat because the connecting surface between the rear rear floor side member and the reinforcement is substantially horizontal behind the rear wheel house. It has an excellent effect that the rear space of the vehicle body can be effectively used.
【図１】本発明の第１実施例の後部車体構造を示す車体
前方内側から見た斜視図である。FIG. 1 is a perspective view showing a rear vehicle body structure of a first embodiment of the present invention as seen from the inside of a vehicle body front side.
【図２】本発明の第１実施例の後部車体構造のリヤフロ
アサイドメンバを示す車体前方内側から見た分解斜視図
である。FIG. 2 is an exploded perspective view of the rear floor side member of the rear vehicle body structure according to the first embodiment of the present invention as seen from the front inside of the vehicle body.
【図３】（Ａ）は図１のＡ−Ａ線断面図であり、（Ｂ）
は図１のＢ−Ｂ線断面図であり、（Ｃ）は図１のＣ−Ｃ
線断面図である。3A is a sectional view taken along the line AA of FIG. 1, and FIG.
1 is a sectional view taken along line BB of FIG. 1, and (C) is CC of FIG.
It is a line sectional view.
【図４】本発明の第２実施例の後部車体構造を示す車体
前方内側から見た斜視図である。FIG. 4 is a perspective view of a rear vehicle body structure according to a second embodiment of the present invention seen from the inside of the front of the vehicle body.
【図５】本発明の第２実施例の後部車体構造のリヤフロ
アサイドメンバを示す車体前方内側から見た分解斜視図
である。FIG. 5 is an exploded perspective view of a rear floor side member of a rear vehicle body structure according to a second embodiment of the present invention as viewed from the inside of the front of the vehicle body.
【図６】図４の６−６線断面図である。6 is a sectional view taken along line 6-6 of FIG.
【図７】従来例の後部車体構造のリヤフロアサイドメン
バを示す車体前方外側から見た斜視図である。FIG. 7 is a perspective view showing a rear floor side member of a rear vehicle body structure of a conventional example as seen from the outside of the vehicle body front.
【図８】図７の８−８線断面図である。8 is a sectional view taken along line 8-8 of FIG.
１０ 車体後部 １２ リヤホイルハウスインナ １４ リヤサイドメンバ １６ 前側リヤフロアサイドメンバ １８ 後側リヤフロアサイドメンバ １８Ｆ フランジ １８Ｇ フランジ ２０ リインフォース ２０Ｄ フランジ ２０Ｅ フランジ ２８ 継手部 ３０ 結合面 10 Rear Body 12 Rear Wheelhouse Inner 14 Rear Side Member 16 Front Rear Floor Side Member 18 Rear Rear Floor Side Member 18F Flange 18G Flange 20 Reinforce 20D Flange 20E Flange 28 Joint 30 Joint Surface
Claims (3)
れ開口部を車幅方向外側へ向け断面コ字状とされたリヤ
フロアサイドメンバと、このリヤフロアサイドメンバの
車幅方向外側に配設されたリヤホイルハウスと、を有す
る後部車体構造であって、前記リヤフロアサイドメンバ
が前記リヤホイルハウスの後部で前側リヤフロアサイド
メンバと後側リヤフロアサイドメンバとに２分割され、
且つこれらの前側リヤフロアサイドメンバと後側リヤフ
ロアサイドメンバとの継手部が前記リヤホイルハウスに
結合されたことを特徴とする後部車体構造。1. A rear floor side member having a U-shaped cross section, the rear floor side member being provided at a rear portion of the vehicle body along the longitudinal direction of the vehicle body, and having an opening facing outward in the vehicle width direction, and the rear floor side member being provided outside of the rear floor side member in the vehicle width direction. A rear vehicle body structure having a rear wheel house, wherein the rear floor side member is divided into a front rear floor side member and a rear rear floor side member at a rear portion of the rear wheel house,
A rear vehicle body structure characterized in that a joint portion between the front rear floor side member and the rear rear floor side member is connected to the rear wheel house.
部を閉塞し前記後側リヤフロアサイドメンバとで閉断面
構造を形成するリインフォースを設けたことを特徴とす
る請求項１記載の後部車体構造。2. The rear vehicle body structure according to claim 1, further comprising a reinforcement that closes an opening of the rear rear floor side member and forms a closed cross-section structure with the rear rear floor side member.
記後側リヤフロアサイドメンバと前記リインフォースと
の結合面を略水平としたことを特徴とする請求項２記載
の後部車体構造。3. The rear vehicle body structure according to claim 2, wherein a connecting surface between the rear rear floor side member and the reinforcement is substantially horizontal behind the rear wheel house.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25009792A JPH0699858A (en) | 1992-09-18 | 1992-09-18 | Rear body structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25009792A JPH0699858A (en) | 1992-09-18 | 1992-09-18 | Rear body structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0699858A true JPH0699858A (en) | 1994-04-12 |
Family
ID=17202773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25009792A Pending JPH0699858A (en) | 1992-09-18 | 1992-09-18 | Rear body structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0699858A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10129533A (en) * | 1996-11-06 | 1998-05-19 | Nissan Motor Co Ltd | Rear body structure of automobile |
-
1992
- 1992-09-18 JP JP25009792A patent/JPH0699858A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10129533A (en) * | 1996-11-06 | 1998-05-19 | Nissan Motor Co Ltd | Rear body structure of automobile |
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