JP2003048568A - Rear body structure for automobile - Google Patents
Rear body structure for automobileInfo
- Publication number
- JP2003048568A JP2003048568A JP2001240180A JP2001240180A JP2003048568A JP 2003048568 A JP2003048568 A JP 2003048568A JP 2001240180 A JP2001240180 A JP 2001240180A JP 2001240180 A JP2001240180 A JP 2001240180A JP 2003048568 A JP2003048568 A JP 2003048568A
- Authority
- JP
- Japan
- Prior art keywords
- gusset
- rear side
- damper
- cross member
- supported
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/60—Subframe construction
Landscapes
- Body Structure For Vehicles (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、車両の前後方向
に延びる左右のリヤサイドフレームと、リヤサスペンシ
ョンとを備えたような自動車の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 body structure of an automobile including left and right rear side frames extending in a front-rear direction of a vehicle and a rear suspension.
【０００２】[0002]
【従来の技術】従来、上述例の自動車の後部車体構造と
しては、例えば、特開平５−１３９３４２号公報に記載
のものがある。すなわち、リヤサスペンションのダンパ
部材を回避するように、リヤサイドフレームにおけるダ
ンパ部材と対応する部分を車幅方向内方へ湾曲させたも
のである。2. Description of the Related Art Conventionally, as a rear body structure of an automobile of the above-mentioned example, there is one disclosed in, for example, JP-A-5-139342. That is, a portion of the rear side frame corresponding to the damper member is curved inward in the vehicle width direction so as to avoid the damper member of the rear suspension.
【０００３】このように車両の前後方向に延びる左右の
リヤサイドフレームの一部を車幅方向内方へ湾曲させる
と、これら湾曲部相互間の間隔が狭くなり、左右のタイ
ヤハウス間の間隔が狭小となって、荷室スペースが小さ
くなる問題点があった。When a part of the left and right rear side frames extending in the front-rear direction of the vehicle is curved inward in the vehicle width direction, the interval between the curved parts is narrowed and the interval between the left and right tire houses is narrowed. Therefore, there is a problem that the luggage space becomes small.
【０００４】このような問題点を解決するために、特開
平８−１３３１３３号公報に記載の自動車の後部車体構
造においては、リヤフロアに凹状のＶ溝部を形成し、こ
のＶ溝部とアクスルハブとの間にリヤサスペンションの
ダンパ部材を取付けている。In order to solve such a problem, in the rear body structure of an automobile disclosed in Japanese Patent Laid-Open No. 8-133133, a concave V groove portion is formed on the rear floor, and a V groove portion is formed between the V groove portion and the axle hub. The damper member of the rear suspension is attached to.
【０００５】このように構成すると、荷室スペースの拡
大を図ることができる利点がある反面、外低内高状にス
ラント配置させたダンパ部材の上端部をリヤフロアパネ
ルに取付ける関係上、シール性などで極めて不利となる
問題点があった。With this construction, the cargo space can be expanded, but on the other hand, the upper end portion of the damper member slanted in the outer low inner height is attached to the rear floor panel, so that the sealing performance is improved. There was a problem that was extremely disadvantageous.
【０００６】[0006]
【発明が解決しようとする課題】この発明は、車両の前
後方向に沿ってほぼ直線状に延びる左右のリヤサイドフ
レームを設け、これらリヤサイドフレーム間にクロスメ
ンバを接続し、このクロスメンバとリヤサイドフレーム
とをガセット部材で連結して、該ガセット部材にダンパ
部材を支持させることで、ダンパ部材をフロア下側にレ
イアウトすることができて、左右のタイヤハウス間のス
ペースを広く設定することができて、荷室スペースの拡
大を図ることができ、またダンパ部材はリヤフロアに取
付けることなく、ガセット部材に支持させることによ
り、フロアのシール性などの問題が生じないことは勿
論、クロスメンバとリヤサイドフレームとの結合部分の
剛性を上記ガセット部材にて向上させることができるう
え、ダンパ部材の支持剛性向上を図ることができる自動
車の後部車体構造の提供を目的とする。SUMMARY OF THE INVENTION According to the present invention, left and right rear side frames extending substantially linearly in the longitudinal direction of a vehicle are provided, cross members are connected between these rear side frames, and the cross members and the rear side frames are connected to each other. By connecting the gusset member with the gusset member and supporting the damper member on the gusset member, the damper member can be laid out below the floor, and the space between the left and right tire houses can be set wide, It is possible to expand the luggage space, and by supporting the damper member on the gusset member without attaching it to the rear floor, problems such as floor sealability do not occur, and, of course, the cross member and rear side frame The rigidity of the joint part can be improved by the gusset member, and the damper member is supported. And an object thereof is to provide a rear vehicle body structure capable of reducing the sexual improvement.
【０００７】[0007]
【課題を解決するための手段】この発明による自動車の
後部車体構造は、車両の前後方向に沿ってほぼ直線状に
配置された左右のリヤサイドフレームを設け、上記左右
のリヤサイドフレーム間にクロスメンバを接続すると共
に、上記クロスメンバと上記リヤサイドフレームとをガ
セット部材で連結し、上記ガセット部材にリヤサスペン
ションのダンパ部材を支持させたものである。上記構成
のリヤサスペンションは、マルチリンクサスペンション
で構成してもよい。A rear body structure of an automobile according to the present invention is provided with left and right rear side frames arranged substantially linearly in the front-rear direction of the vehicle, and a cross member is provided between the left and right rear side frames. In addition to being connected, the cross member and the rear side frame are connected by a gusset member, and the damper member of the rear suspension is supported by the gusset member. The rear suspension configured as described above may be a multi-link suspension.
【０００８】上記構成によれば、上述のガセット部材に
ダンパ部材を支持させたので、このダンパ部材をフロア
下側にレイアウトすることができて、左右のタイヤハウ
ス間のスペースを広く設定することができ、この結果、
荷室スペースの拡大を図ることができる。According to the above structure, since the damper member is supported by the gusset member, the damper member can be laid out on the lower side of the floor, and the space between the left and right tire houses can be set wide. And as a result,
It is possible to expand the luggage space.
【０００９】また、上述のダンパ部材はリヤフロアに取
付けることなく、上記ガセット部材に支持させるので、
フロアのシール性などの問題は発生しない。しかも、ク
ロスメンバとリヤサイドフレームとをガセット部材で連
結したので、クロスメンバとリヤサイドフレームとの結
合部分の剛性を上述のガセット部材にて向上させること
ができるうえ、ダンパ部材の支持剛性向上を図ることが
できる。Since the damper member is supported on the gusset member without being attached to the rear floor,
Problems such as floor sealability do not occur. Moreover, since the cross member and the rear side frame are connected by the gusset member, the rigidity of the connecting portion between the cross member and the rear side frame can be improved by the above gusset member, and the support rigidity of the damper member can be improved. You can
【００１０】この発明の一実施態様においては、上記ガ
セット部材とクロスメンバとに架設されたブラケットを
設け、上記ダンパ部材を該ブラケットに支持させたもの
である。上記構成によれば、上記ブラケットを設けたこ
とにより、ダンパ部材の支持剛性がさらに向上する。According to one embodiment of the present invention, a bracket is provided on the gusset member and the cross member, and the damper member is supported by the bracket. According to the above configuration, the support rigidity of the damper member is further improved by providing the bracket.
【００１１】この発明の一実施態様においては、上記ブ
ラケットはクロスメンバに１点で支持されると共に、ガ
セット部材に２点で支持されたものである。上記構成に
よれば、必要最小限の支持点数でもって、ブラケットを
クロスメンバおよびガセット部材に強固に支持すること
ができる。In one embodiment of the present invention, the bracket is supported by the cross member at one point and by the gusset member at two points. According to the above configuration, the bracket can be firmly supported by the cross member and the gusset member with the minimum number of supporting points.
【００１２】この発明の一実施態様においては、上記ダ
ンパ部材はフロアの下側に配置されたものである。上記
構成によれば、ダンパ部材がフロアの上側に突出しない
ので、荷室スペースを何等阻害することなく、加えて、
ダンパ部材がフロアを貫通する構造でもないので、シー
ル性についても何等問題は発生しない。In one embodiment of the present invention, the damper member is arranged below the floor. According to the above configuration, since the damper member does not project to the upper side of the floor, it does not hinder the luggage space at all, and in addition,
Since the damper member does not have a structure that penetrates the floor, no problem occurs in the sealing property.
【００１３】この発明の一実施態様においては、上記ダ
ンパ部材はその上部が車幅方向内方で、かつ車両前方と
なるよう傾斜配設されたものである。上記構成によれ
ば、ダンパ部材を上述のように傾斜配設したので、該ダ
ンパ部材の配設高さを小さくしつつ、ダンパ部材のスト
ロークを確保することができる。In one embodiment of the present invention, the damper member is arranged so that its upper portion is inward in the vehicle width direction and is in front of the vehicle. According to the above configuration, since the damper member is inclinedly arranged as described above, it is possible to secure the stroke of the damper member while reducing the height of the damper member.
【００１４】この発明の一実施態様においては、上記ク
ロスメンバの一部と上記ガセット部材との両者で平面視
で略Ｕ字状部が形成され、上記ブラケットは略Ｕ字状部
に沿設するよう上記両者間に支持されたものである。In one embodiment of the present invention, a portion of the cross member and the gusset member both form a substantially U-shaped portion in plan view, and the bracket is provided along the substantially U-shaped portion. As described above, it is supported between the two.
【００１５】上記構成によれば、ダンパ部材の上部を略
Ｕ字状部による空間部分に位置させることができるの
で、ダンパ部材の配設スペースを充分に確保しつつ、該
ダンパ部材の支持剛性をより一層向上させることができ
る。According to the above structure, since the upper portion of the damper member can be located in the space formed by the substantially U-shaped portion, the supporting rigidity of the damper member can be increased while ensuring a sufficient space for disposing the damper member. It can be further improved.
【００１６】[0016]
【実施例】この発明の一実施例を以下図面に基づいて詳
述する。図面は自動車の後部車体構造を示し、図１、図
２において、リヤフロアパネル１の下面には車両の前後
方向に延び平面から見てほぼ直線状に配置された左右の
リヤサイドフレーム２，２(但し、図面においては図示
の便宜上、右側のリヤサイドフレームのみを示す)を設
けている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings. The drawings show the rear body structure of an automobile. In FIGS. 1 and 2, on the lower surface of the rear floor panel 1, left and right rear side frames 2, 2 (extended in the front-rear direction of the vehicle and arranged substantially linearly when viewed from a plane) In the drawings, for convenience of illustration, only the right rear side frame is shown).
【００１７】上述のリヤサイドフレーム２はその上部に
接合フランジ部２ａ，２ａを有し、これらの接合フラン
ジ部２ａ，２ａをリヤフロアパネル１の下面に接合する
ことで、車両の前後方向に延びる閉断面３を形成してい
る。The above-mentioned rear side frame 2 has joint flange portions 2a, 2a at its upper portion, and by joining these joint flange portions 2a, 2a to the lower surface of the rear floor panel 1, a closed cross section extending in the front-rear direction of the vehicle. 3 is formed.
【００１８】上述の左右のリヤサイドフレーム２，２間
には車幅方向に延びるクロスメンバ４を接続し、このク
ロスメンバ４とリヤフロアパネル１との間には、車幅方
向に延びる閉断面５を形成している。A cross member 4 extending in the vehicle width direction is connected between the left and right rear side frames 2 and 2, and a closed cross section 5 extending in the vehicle width direction is provided between the cross member 4 and the rear floor panel 1. Is forming.
【００１９】上述のクロスメンバ４は図３に示す如く、
その上部前後に該クロスメンバ４の長手方向(車幅方向)
に沿った接合フランジ部４ａ，４ａを有すると共に、左
右両端部には上記リヤサイドフレーム２の縦壁部と底部
とに接合する接合片４ｂ，４ｂ，４ｃが一体または一体
的に成されている。The above-mentioned cross member 4 is, as shown in FIG.
In the longitudinal direction of the cross member 4 (vehicle width direction) in front of and behind the upper part
The joint flanges 4a, 4a are provided along with, and joint pieces 4b, 4b, 4c for joining the vertical wall portion and the bottom portion of the rear side frame 2 are integrally or integrally formed at both left and right ends.
【００２０】上述のクロスメンバ４の接合フランジ部４
ａ，４ａをリヤフロアパネル１の下面に、接合片４ｂ，
４ｂをリヤサイドフレーム２の縦壁部に、接合片４ｃを
リヤサイドフレーム２の底部にそれぞれ接合することに
より、該クロスメンバ４を左右のリヤサイドフレーム
２，２間に張架している。The joint flange portion 4 of the above-mentioned cross member 4
a, 4a on the lower surface of the rear floor panel 1, joining pieces 4b,
The cross member 4 is stretched between the left and right rear side frames 2 and 2 by joining 4b to the vertical wall portion of the rear side frame 2 and joining piece 4c to the bottom portion of the rear side frame 2, respectively.
【００２１】一方、図１、図２に示すようなマルチリン
クタイプのリヤサスペンション６を設けている。このリ
ヤサスペンション６は、トレーリングアーム７、アッパ
アーム８、ロアアーム９、ラテラルリンク１０、ダンパ
部材１１およびサスペンションクロスメンバ１２(いわ
ゆるサスクロス)を備え、左右の後輪を独立懸架する。On the other hand, a multi-link type rear suspension 6 as shown in FIGS. 1 and 2 is provided. The rear suspension 6 includes a trailing arm 7, an upper arm 8, a lower arm 9, a lateral link 10, a damper member 11 and a suspension cross member 12 (so-called suspension cross), and independently suspends left and right rear wheels.
【００２２】上述のトレーリングアーム７は車体への取
付け部７ａ、ラテラルリンク貫通部７ｂ、ダンパ部材取
付け部７ｃ、アッパアーム取付け部７ｄ、ロアアーム取
付け部７ｅを有し、車体への取付け部７ａがリヤサイド
フレーム２の所定部に取付けられている。The above-mentioned trailing arm 7 has a vehicle body mounting portion 7a, a lateral link penetrating portion 7b, a damper member mounting portion 7c, an upper arm mounting portion 7d, and a lower arm mounting portion 7e, and the vehicle body mounting portion 7a is a rear side. It is attached to a predetermined part of the frame 2.
【００２３】サスペンションクロスメンバ１２は図４に
示すように複数の部材１３〜１６を組合わせて一体化し
たもので、このサスペンションクロスメンバ１２の左右
両端部は車両の前後方向に離反する二股状に形成されて
いる。As shown in FIG. 4, the suspension cross member 12 is formed by combining a plurality of members 13 to 16 into one body. The left and right ends of the suspension cross member 12 are bifurcated in the longitudinal direction of the vehicle. Has been formed.
【００２４】そして、上述の二股状部の端部に設けられ
た合計４つのマウント部ｍ１，ｍ２，ｍ３，ｍ４はラバ
ーマウントを介してリヤサイドフレーム２，２の所定箇
所にマウントされる。A total of four mount parts m1, m2, m3, m4 provided at the ends of the above-mentioned bifurcated parts are mounted at predetermined positions on the rear side frames 2, 2 via rubber mounts.
【００２５】また上述の複数の部材１３〜１６のうち部
材１６はアッパアームブラケットに設定され、このアッ
パアームブラケット１６にはアッパアーム８の車体内方
側端部が揺動自在に支持される。The member 16 among the above-mentioned plurality of members 13 to 16 is set to the upper arm bracket, and the inner end of the upper arm 8 on the vehicle body side is swingably supported by the upper arm bracket 16.
【００２６】ところで、図１、図３に示すように、上述
の車幅方向に延びるクロスメンバ４と、車両の前後方向
に延びるリヤサイドフレーム２とをガセット部材１７で
連結し、図１、図３に示す如くクロスメンバ４の端部側
一部とガセット部材１７との両者で平面視で略Ｕ字状部
１８を形成している。By the way, as shown in FIGS. 1 and 3, the cross member 4 extending in the vehicle width direction and the rear side frame 2 extending in the front-rear direction of the vehicle are connected by a gusset member 17, and FIGS. As shown in FIG. 3, a part of the cross member 4 on the end side and the gusset member 17 form a substantially U-shaped portion 18 in a plan view.
【００２７】上述のガセット部材１７は図５に示すよう
にその上部前後にはリヤフロアパネル１に接合する接合
フランジ部１７ａ，１７ａを有すると共に、車外側端部
にはリヤサイドフレーム２の縦壁部と底部とに接合する
接合片１７ｂ，１７ｃが一体形成され、車内側端部には
クロスメンバ４の縦壁部と側部とに接合する接合片１７
ｄ，１７ｅが一体形成された補強手段である。As shown in FIG. 5, the above-mentioned gusset member 17 has joint flange portions 17a, 17a joined to the rear floor panel 1 at the front and rear of its upper portion, and a vertical wall portion of the rear side frame 2 at the vehicle outer end portion. Joint pieces 17b and 17c that are joined to the bottom portion are integrally formed, and a joint piece 17 that is joined to the vertical wall portion and the side portion of the cross member 4 is formed at the vehicle inner end portion.
d and 17e are reinforcing means integrally formed.
【００２８】そして、ガセット部材１７の接合フランジ
部１７ａ，１７ａをリヤフロアパネル１およびクロスメ
ンバ４における接合フランジ部４ａの下面に接合して、
閉断面１９(図２参照)を形成し、またガセット部材１７
の接合片１７ｂをリヤサイドフレーム２の縦壁部に、接
合片１７ｃをリヤサイドフレーム２の底部に、接合片１
７ｄをクロスメンバ４の縦壁部に、接合片１７ｅをクロ
スメンバ４の底部にそれぞれ接合することにより、この
ガセット部材１７をクロスメンバ４とリヤサイドフレー
ム２との間に取付けている。しかも、図１、図２に示す
ように上述のガセット部材１７とクロスメンバ４との間
に架設されたブラケット２０を設けている。The joining flange portions 17a, 17a of the gusset member 17 are joined to the lower surface of the joining flange portion 4a of the rear floor panel 1 and the cross member 4,
A closed cross section 19 (see FIG. 2) is formed and the gusset member 17
The joint piece 17b is attached to the vertical wall portion of the rear side frame 2, the joint piece 17c is attached to the bottom portion of the rear side frame 2, and the joint piece 1
The gusset member 17 is attached between the cross member 4 and the rear side frame 2 by joining 7d to the vertical wall portion of the cross member 4 and joining piece 17e to the bottom portion of the cross member 4, respectively. Moreover, as shown in FIGS. 1 and 2, the bracket 20 is provided between the gusset member 17 and the cross member 4 described above.
【００２９】上述のブラケット２０は図６に示すよう
に、ガセット部材１７の底部に取付けられる断面門形の
リヤ側の取付け部２１と、クロスメンバ４の底部に取付
けられる断面門形のフロント側の取付け部２２と、上述
の取付け部２１から上方に立ち上がる略コの字の立設片
２３とを一体または一体形成した補強部材であって、こ
の実施例ではリヤ側の取付け部２１に対してフロント側
の取付け部２２が所定量低くなるように構成されてい
る。As shown in FIG. 6, the above-mentioned bracket 20 has a rear-side mounting portion 21 having a cross-sectional portal shape which is mounted on the bottom of the gusset member 17, and a front-side mounting portion having a cross-sectional portal shape which is mounted on the bottom of the cross member 4. It is a reinforcing member that integrally or integrally forms a mounting portion 22 and a substantially U-shaped standing piece 23 that rises upward from the above-mentioned mounting portion 21, and in this embodiment, it is a front member with respect to the mounting portion 21 on the rear side. The side mounting portion 22 is configured to be lowered by a predetermined amount.
【００３０】上述のリヤ側の取付け部２１には合計２個
の取付け孔２４，２４が形成され、フロント側の取付け
側２２には１個の取付け孔２５が形成されると共に、立
設片２３の対向部位にはダンパ部材１１の上部を取付け
る取付け孔２６，２６が形成されている。A total of two mounting holes 24, 24 are formed in the above-mentioned rear side mounting portion 21, one mounting hole 25 is formed in the front side mounting side 22, and a standing piece 23 is provided. Mounting holes 26, 26 for mounting the upper portion of the damper member 11 are formed in the opposing portions of the above.
【００３１】上述のブラケット２０は図１に平面図で示
すように略Ｕ字状部１８に沿設するようにクロスメンバ
４の底部とガセット部材１７の底部とに支持されてい
る。すなわち、図１、図５、図７に示すようにクロスメ
ンバ４の閉断面５内には取付け孔２５に対応して、予め
ナット２７を接合固定する一方、ガセット部材１７の閉
断面１９内には取付け孔２４，２４に対応して予めナッ
ト２８，２８を接合固定し、略Ｕ字状部１８に沿設すべ
くクロスメンバ４およびガセット部材１７の底部に配置
したブラケット２０の下方からボルト２９，３０，３０
を上述のナット２７，２８，２９に締付けることで、該
ブラケット２０をクロスメンバ４に１点で支持し、ガセ
ット部材１７に２点で支持させている。The bracket 20 described above is supported by the bottom of the cross member 4 and the bottom of the gusset member 17 so as to be provided along the substantially U-shaped portion 18 as shown in the plan view of FIG. That is, as shown in FIGS. 1, 5, and 7, the nut 27 is previously joined and fixed in the closed cross section 5 of the cross member 4 corresponding to the mounting hole 25, while the nut 27 is closed in the closed cross section 19 of the gusset member 17. Bolts 29 from below the bracket 20 arranged at the bottom of the cross member 4 and the gusset member 17 so that the nuts 28, 28 are joined and fixed in advance in correspondence with the mounting holes 24, 24. , 30, 30
The bracket 20 is supported by the cross member 4 at one point and by the gusset member 17 at two points by tightening the above-mentioned nuts 27, 28, 29.
【００３２】上述のダンパ部材１１(いわゆるショック
アブソーバ)は図７に示すように、内部に衝撃緩衝機能
を有すると共に、外筒３１、内筒３２、アッパアイ３
３、ロアアイ３４および上下のダンパ支持ピン(ダンパ
支持軸)３５，３６を備えている。As shown in FIG. 7, the above-mentioned damper member 11 (so-called shock absorber) has a shock absorbing function inside, and also has an outer cylinder 31, an inner cylinder 32 and an upper eye 3.
3, a lower eye 34 and upper and lower damper support pins (damper support shafts) 35 and 36.
【００３３】上述のダンパ部材１１はリヤフロアパネル
１の下側において、図１、図７に示す如く、その上部が
車幅方向内方で、かつ車両前方となるように傾斜配設さ
れている。As shown in FIGS. 1 and 7, the damper member 11 is inclined below the rear floor panel 1 so that its upper portion is inward in the vehicle width direction and is in front of the vehicle.
【００３４】つまり、上側のダンパ支持ピン３５はブラ
ケット２０の立設片２３における取付け孔２６に支持さ
れ、下側のダンパ支持ピン３６はリヤサスペンション６
を構成するトレーリングアーム７のダンパ部材取付け部
７ｃに支持されている。なお、図中符号Ｆは車両の前方
向を示す。That is, the upper damper support pin 35 is supported by the mounting hole 26 in the upright piece 23 of the bracket 20, and the lower damper support pin 36 is the rear suspension 6.
Is supported by the damper member mounting portion 7c of the trailing arm 7 constituting the above. In addition, the code | symbol F in a figure shows the front direction of a vehicle.
【００３５】このように上記実施例の自動車の後部車体
構造は、車両の前後方向に沿ってほぼ直線状に配置され
た左右のリヤサイドフレーム２，２を設け、上記左右の
リヤサイドフレーム２，２間に車幅方向に延びるクロス
メンバ４を接続すると共に、上記クロスメンバ４と上記
リヤサイドフレーム２とをガセット部材１７で連結し、
上記ガセット部材１７にリヤサスペンション６のダンパ
部材１１を支持させたものである。この構成によれば、
上述のガセット部材１７にダンパ部材１１を支持させた
ので、このダンパ部材１１をリヤフロア下側にレイアウ
トすることができて、左右のタイヤハウス間のスペース
を広く設定することができ、この結果、荷室スペースの
拡大を図ることができる。As described above, the rear body structure of the automobile of the above embodiment is provided with the left and right rear side frames 2 and 2 which are arranged substantially linearly in the front-rear direction of the vehicle, and between the left and right rear side frames 2 and 2. Is connected to a cross member 4 extending in the vehicle width direction, and the cross member 4 and the rear side frame 2 are connected by a gusset member 17,
The gusset member 17 supports the damper member 11 of the rear suspension 6. According to this configuration,
Since the damper member 11 is supported by the gusset member 17 described above, the damper member 11 can be laid out on the lower side of the rear floor, and the space between the left and right tire houses can be set wide. The room space can be expanded.
【００３６】また、上述のダンパ部材１１はリヤリヤフ
ロアパネル１に取付けることなく、上記ガセット部材１
７に支持させるので、リヤフロアのシール性などの問題
は発生しない。しかも、クロスメンバ４とリヤサイドフ
レーム２とをガセット部材１７で連結したので、クロス
メンバ４とリヤサイドフレーム２との結合部分の剛性を
上述のガセット部材１７にて向上させることができるう
え、ダンパ部材１１の支持剛性向上を図ることができ
る。The damper member 11 is not attached to the rear rear floor panel 1, but the gusset member 1 is not attached.
Since it is supported by No. 7, there is no problem with the sealability of the rear floor. Moreover, since the cross member 4 and the rear side frame 2 are connected by the gusset member 17, the rigidity of the connecting portion between the cross member 4 and the rear side frame 2 can be improved by the above gusset member 17, and the damper member 11 is also provided. It is possible to improve the support rigidity of the.
【００３７】さらに、上記ガセット部材１７とクロスメ
ンバ４とに架設されたブラケット２０を設け、上記ダン
パ部材１１を該ブラケット２０に支持させたものであ
る。この構成によれば、上記ブラケット２０を設けたこ
とにより、ダンパ部材１１の支持剛性がさらに向上す
る。Further, a bracket 20 is provided so as to bridge the gusset member 17 and the cross member 4, and the damper member 11 is supported by the bracket 20. According to this structure, the support rigidity of the damper member 11 is further improved by providing the bracket 20.
【００３８】加えて、上記ブラケット２０はクロスメン
バ４に１点(ボルト２９，ナット２７参照)で支持される
と共に、ガセット部材１７に２点(ボルト３０，３０，
ナット２８，２８参照)で支持されたものである。この
構成によれば、必要最小限の支持点数でもって、ブラケ
ット２０をクロスメンバ４およびガセット部材１７に強
固に支持することができる。In addition, the bracket 20 is supported by the cross member 4 at one point (see bolts 29 and nuts 27) and at the gusset member 17 at two points (bolts 30, 30,
It is supported by nuts 28, 28). With this configuration, the bracket 20 can be firmly supported by the cross member 4 and the gusset member 17 with the minimum number of supporting points.
【００３９】また、上記ダンパ部材１１はリヤフロアパ
ネル１の下側に配置されたものである。この構成によれ
ば、ダンパ部材１１がリヤフロアパネル１の上側に突出
しないので、荷室スペースを何等阻害することなく、加
えて、ダンパ部材１１がリヤフロアパネル１を貫通する
構造でもないので、シール性についても何等問題は発生
しない。The damper member 11 is arranged below the rear floor panel 1. According to this configuration, since the damper member 11 does not project to the upper side of the rear floor panel 1, it does not hinder the luggage space at all, and in addition, the damper member 11 does not have a structure that penetrates the rear floor panel 1, so that the sealing performance is improved. As for, no problem occurs.
【００４０】さらに、上記ダンパ部材１１は図１、図２
で示したように、その上部が車幅方向内方で、かつ車両
前方となるよう傾斜配設されたものである。この構成に
よれば、ダンパ部材１１を上述のように傾斜配設したの
で、該ダンパ部材１１の配設高さを小さくしつつ、ダン
パ部材１１のストロークを確保することができる。Further, the damper member 11 is shown in FIGS.
As shown in, the upper portion is arranged so as to be inclined inward in the vehicle width direction and in front of the vehicle. According to this configuration, since the damper member 11 is inclinedly arranged as described above, it is possible to secure the stroke of the damper member 11 while reducing the arrangement height of the damper member 11.
【００４１】そのうえ、上記クロスメンバ４の一部と上
記ガセット部材１７との両者で平面視で略Ｕ字状部１８
が形成され、上記ブラケット２０は略Ｕ字状部１８に沿
設するよう上記両者４，７間に支持されたものである。In addition, a part of the cross member 4 and the gusset member 17 both have a substantially U-shaped portion 18 in a plan view.
And the bracket 20 is supported between the both 4 and 7 so as to be provided along the substantially U-shaped portion 18.
【００４２】この構成によれば、ダンパ部材１１の上部
を図７に示すように略Ｕ字状部１８による空間部分に位
置させることができるので、ダンパ部材１１の配設スペ
ースを充分に確保しつつ、該ダンパ部材１１の支持剛性
をより一層向上させることができる。According to this structure, the upper portion of the damper member 11 can be positioned in the space formed by the substantially U-shaped portion 18 as shown in FIG. 7, so that a sufficient installation space for the damper member 11 can be secured. At the same time, the support rigidity of the damper member 11 can be further improved.
【００４３】図８は自動車の後部車体構造の他の実施例
を示し、先の実施例ではブラケット２０をクロスメンバ
４に対して１点で支持し、ガセット部材１７に対して２
点で支持すべく構成したが、図８に示すこの実施例では
ブラケット２０におけるフロント側の取付け部２２を先
の実施例のそれに対して大きく形成し、このブラケット
２０をクロスメンバ４とガセット部材１７とにそれぞれ
２点で、すなわち合計４点で支持すべく構成したもので
ある。FIG. 8 shows another embodiment of the rear body structure of an automobile. In the previous embodiment, the bracket 20 is supported at one point with respect to the cross member 4 and two with respect to the gusset member 17.
Although it is configured to be supported at points, in this embodiment shown in FIG. 8, the mounting portion 22 on the front side of the bracket 20 is formed larger than that of the previous embodiment, and this bracket 20 is attached to the cross member 4 and the gusset member 17. It is configured to support two points each, that is, a total of four points.
【００４４】このように構成すると、ブラケット２０そ
れ自体の剛性および取付け強度の向上を図ることができ
る。なお、図８に示すこの実施例においても、その他の
構成、作用、効果については先の実施例とほぼ同様であ
るから、図８において前図と同一の部分には同一符号を
付して、その詳しい説明を省略する。With this construction, the rigidity and mounting strength of the bracket 20 itself can be improved. In addition, also in this embodiment shown in FIG. 8, other configurations, operations, and effects are almost the same as those of the previous embodiment. Therefore, in FIG. The detailed description is omitted.
【００４５】この発明の構成と、上述の実施例との対応
において、この発明のリヤサスペンションは、実施例の
マルチリンクタイプのリヤサスペンション６に対応し、
以下同様に、フロアは、リヤフロアパネル１に対応する
も、この発明は、上述の実施例の構成のみに限定される
ものではない。In the correspondence between the configuration of the present invention and the above-described embodiment, the rear suspension of the present invention corresponds to the multi-link type rear suspension 6 of the embodiment,
Similarly, the floor corresponds to the rear floor panel 1, but the present invention is not limited to the configuration of the above-described embodiment.
【００４６】[0046]
【発明の効果】この発明によれば、車両の前後方向に沿
ってほぼ直線状に延びる左右のリヤサイドフレームを設
け、これらリヤサイドフレーム間にクロスメンバを接続
し、このクロスメンバとリヤサイドフレームとをガセッ
ト部材で連結して、該ガセット部材にダンパ部材を支持
させることで、ダンパ部材をフロア下側にレイアウトす
ることができて、左右のタイヤハウス間のスペースを広
く設定することができて、荷室スペースの拡大を図るこ
とができ、またダンパ部材はリヤフロアに取付けること
なく、ガセット部材に支持させることにより、フロアの
シール性などの問題が生じないことは勿論、クロスメン
バとリヤサイドフレームとの結合部分の剛性を上記ガセ
ット部材にて向上させることができるうえ、ダンパ部材
の支持剛性向上を図ることができる自動車の後部車体構
造の提供を目的とする。According to the present invention, left and right rear side frames extending substantially linearly in the longitudinal direction of the vehicle are provided, a cross member is connected between the rear side frames, and the cross member and the rear side frame are gusseted. The damper member can be laid out under the floor by connecting with the member and supporting the damper member on the gusset member, and the space between the left and right tire houses can be set wide, and the luggage compartment can be set. The space can be expanded, and since the damper member is supported on the gusset member without being attached to the rear floor, problems such as floor sealability do not occur, and of course, the connecting portion between the cross member and the rear side frame. The gusset member can improve the rigidity of the And an object thereof is to provide a rear body structure for an automobile that can Rukoto.
【図１】 本発明の自動車の後部車体構造を示す平面
図。FIG. 1 is a plan view showing a rear body structure of an automobile of the present invention.
【図２】 図１のＡ−Ａ線矢視断面図。FIG. 2 is a sectional view taken along the line AA of FIG.
【図３】 クロスメンバおよびガセット部材の斜視図。FIG. 3 is a perspective view of a cross member and a gusset member.
【図４】 サスペンションクロスメンバの平面図。FIG. 4 is a plan view of a suspension cross member.
【図５】 ガセット部材の斜視図。FIG. 5 is a perspective view of a gusset member.
【図６】 ブラケットの斜視図。FIG. 6 is a perspective view of a bracket.
【図７】 図２の要部拡大図。FIG. 7 is an enlarged view of a main part of FIG.
【図８】 本発明の自動車の後部車体構造の他の実施例
を示す平面図。FIG. 8 is a plan view showing another embodiment of the rear body structure of the automobile of the present invention.
１…リヤフロアパネル(フロア) ２…リヤサイドフレーム ４…クロスメンバ ６…リヤサスペンション １１…ダンパ部材 １７…ガセット部材 １８…略Ｕ字状部 ２０…ブラケット 1 ... Rear floor panel (floor) 2 ... Rear side frame 4 ... Cross member 6 ... Rear suspension 11 ... Damper member 17 ... Gusset member 18 ... Almost U-shaped portion 20 ... Bracket
───────────────────────────────────────────────────── フロントページの続き (72)発明者 江島 勝美 広島県安芸郡府中町新地３番１号 マツダ 株式会社内 (72)発明者 佐野 晋 広島県安芸郡府中町新地３番１号 マツダ 株式会社内 Ｆターム(参考） 3D001 AA17 DA09 3D003 AA01 AA14 BB01 CA48 CA54 CA59 DA29 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Katsumi Ejima 3-1, Shinchi, Fuchu-cho, Aki-gun, Hiroshima Prefecture Mazda Within the corporation (72) Inventor Shin Sano 3-1, Shinchi, Fuchu-cho, Aki-gun, Hiroshima Prefecture Mazda Within the corporation F-term (reference) 3D001 AA17 DA09 3D003 AA01 AA14 BB01 CA48 CA54 CA59 DA29
Claims (6)
された左右のリヤサイドフレームを設け、上記左右のリ
ヤサイドフレーム間にクロスメンバを接続すると共に、
上記クロスメンバと上記リヤサイドフレームとをガセッ
ト部材で連結し、上記ガセット部材にリヤサスペンショ
ンのダンパ部材を支持させた自動車の後部車体構造。1. A left and right rear side frame arranged substantially linearly in a front-rear direction of a vehicle, and connecting a cross member between the left and right rear side frames,
A rear vehicle body structure of an automobile, wherein the cross member and the rear side frame are connected by a gusset member, and a damper member of a rear suspension is supported by the gusset member.
されたブラケットを設け、上記ダンパ部材を該ブラケッ
トに支持させた請求項１記載の自動車の後部車体構造。2. A rear vehicle body structure for an automobile according to claim 1, wherein a bracket is provided on the gusset member and the cross member, and the damper member is supported by the bracket.
持されると共に、ガセット部材に２点で支持された請求
項２記載の自動車の後部車体構造。3. The rear vehicle body structure according to claim 2, wherein the bracket is supported by the cross member at one point and is supported by the gusset member at two points.
た請求項１，２または３記載の自動車の後部車体構造。4. The rear vehicle body structure according to claim 1, wherein the damper member is arranged below the floor.
で、かつ車両前方となるよう傾斜配設された請求項１，
２，３または４記載の自動車の後部車体構造。5. The damper member is arranged so as to be inclined such that an upper portion thereof is located inward in the vehicle width direction and is in front of the vehicle.
The rear body structure of the automobile according to 2, 3, or 4.
材との両者で平面視で略Ｕ字状部が形成され、上記ブラ
ケットは略Ｕ字状部に沿設するよう上記両者間に支持さ
れた請求項２記載の自動車の後部車体構造。6. A part of the cross member and the gusset member both form a substantially U-shaped portion in a plan view, and the bracket is supported between the two so as to be along the substantially U-shaped portion. The rear body structure of the automobile according to claim 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001240180A JP4734797B2 (en) | 2001-08-08 | 2001-08-08 | Rear body structure of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001240180A JP4734797B2 (en) | 2001-08-08 | 2001-08-08 | Rear body structure of automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003048568A true JP2003048568A (en) | 2003-02-18 |
| JP4734797B2 JP4734797B2 (en) | 2011-07-27 |
Family
ID=19070833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001240180A Expired - Fee Related JP4734797B2 (en) | 2001-08-08 | 2001-08-08 | Rear body structure of automobile |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4734797B2 (en) |
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| JP2006062442A (en) * | 2004-08-25 | 2006-03-09 | Mazda Motor Corp | Rear body structure of automobile |
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| JP2006062442A (en) * | 2004-08-25 | 2006-03-09 | Mazda Motor Corp | Rear body structure of automobile |
| JP4525245B2 (en) * | 2004-08-25 | 2010-08-18 | マツダ株式会社 | Rear body structure of automobile |
| JP4670280B2 (en) * | 2004-08-25 | 2011-04-13 | マツダ株式会社 | Rear body structure of automobile |
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| JP4734797B2 (en) | 2011-07-27 |
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