JP4228877B2 - Chassis reinforcement structure - Google Patents

Chassis reinforcement structure Download PDF

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Publication number
JP4228877B2
JP4228877B2 JP2003366934A JP2003366934A JP4228877B2 JP 4228877 B2 JP4228877 B2 JP 4228877B2 JP 2003366934 A JP2003366934 A JP 2003366934A JP 2003366934 A JP2003366934 A JP 2003366934A JP 4228877 B2 JP4228877 B2 JP 4228877B2
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Prior art keywords
side member
cross member
wall surface
fixed
flange
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JP2005132125A (en
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博幸 黒川
義則 横田
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Mitsubishi Motors Corp
Mitsubishi Automotive Engineering Co Ltd
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Mitsubishi Motors Corp
Mitsubishi Automotive Engineering Co Ltd
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Description

本発明は、略車両前後方向に延びる左右のサイドメンバを略車幅方向に延びるクロスメンバが連結する車台において、サイドメンバとクロスメンバとの結合部分付近における補強構造に関する。   The present invention relates to a reinforcing structure in the vicinity of a connecting portion between a side member and a cross member in a chassis in which left and right side members extending in a substantially vehicle longitudinal direction are connected to a cross member extending in a substantially vehicle width direction.

車両のサイドメンバとクロスメンバとの結合部分を示すものとして、例えば、下記特許文献１に記載されたものが従来から知られている。   As what shows the coupling | bond part of the side member and cross member of a vehicle, what was described in the following patent document 1, for example was conventionally known.

実公平７−１２２２３号公報No. 7-12223

この場合には、サイドメンバの側壁とクロスメンバのフランジとが車幅方向にのみ結合されているため、その結合部分における剛性を高めるにはおのずから制約があり、また、クロスメンバに固定されたラテラルロッド支持ブラケットがサイドメンバから車幅方向内方へ離れて配置されているため、サイドメンバと上記ブラケットとの間にブレースを設置する等の必要があった。   In this case, since the side member side wall and the cross member flange are coupled only in the vehicle width direction, there is a natural limitation in increasing the rigidity of the coupled portion, and the lateral member fixed to the cross member is also present. Since the rod support bracket is disposed away from the side member inward in the vehicle width direction, it is necessary to install a brace between the side member and the bracket.

本発明は、車台のサイドメンバとクロスメンバとの結合部分における剛性を容易に高めようとするものである。   The present invention is intended to easily increase the rigidity of the joint portion between the side member and the cross member of the chassis.

このため、本発明にかかる車台補強構造は、略車両前後方向に延びるサイドメンバに略車幅方向に延びるクロスメンバの端部が嵌め込まれ、上記端部に形成されたフランジが上記サイドメンバの内壁面に対して略車幅方向に固着されると共に、上記サイドメンバに形成されたフランジが上記クロスメンバの外壁面に対して略車両前後方向に固着され、ショックアブソーバの一端が取り付けられるショックアブソーバピンに固着のリンホースが上記クロスメンバに近接した位置で略車両前後方向に延びて、上記サイドメンバの壁面に対し略車幅方向に固着され、かつ、上記リンホースの端部が屈曲して略車幅方向に延び、上記屈曲端部が上記サイドメンバに形成されたフランジに重ねられて同フランジと共に上記クロスメンバの外壁面に対して略車両前後方向に固着されている。
For this reason, in the chassis reinforcing structure according to the present invention, the end portion of the cross member extending in the substantially vehicle width direction is fitted into the side member extending substantially in the vehicle front-rear direction, and the flange formed in the end portion includes the inner side of the side member. A shock absorber pin fixed to the wall surface in a substantially vehicle width direction, and a flange formed on the side member fixed to the outer wall surface of the cross member in a substantially vehicle front-rear direction, to which one end of the shock absorber is attached The fixed hose extends in the vehicle front-rear direction at a position close to the cross member and is fixed in the vehicle width direction with respect to the wall surface of the side member, and the end of the phosphorus hose bends to approximately vehicle width. Extending in the direction, and the bent end portion is overlapped with the flange formed on the side member, together with the flange and the outer wall surface of the cross member. It is secured to the vehicle longitudinal direction.

上記車台補強構造においては、サイドメンバに嵌め込まれたクロスメンバ端部のフランジがサイドメンバの内壁面に対して略車幅方向に固着されると共に、サイドメンバのフランジがクロスメンバの外壁面に対して略車両前後方向に固着されていて、両者の固着方向がサイドメンバの内壁面に対するものとクロスメンバの外壁面に対するものとで大きく異なっているため、サイドメンバ及びクロスメンバの結合剛性を容易に高めることができると同時に、ショックアブソーバピンに固着のリンホースがクロスメンバに近接した位置で略車両前後方向に延びて、サイドメンバの壁面に対し略車幅方向に固着され、かつ、上記リンホースの略車幅方向に延びた屈曲端部がサイドメンバに形成されたフランジに重ねられて同フランジと共にクロスメンバの外壁面に対し略車両前後方向に固着されていて、この部分においても両固着方向が大きく異なっているため、サイドメンバ及びクロスメンバの結合剛性を一層高めることができる。
In the chassis reinforcing structure, the flange at the end of the cross member fitted into the side member is fixed to the inner wall surface of the side member substantially in the vehicle width direction, and the flange of the side member is fixed to the outer wall surface of the cross member. Are fixed substantially in the vehicle front-rear direction, and the fixing directions of the two are greatly different between the side member with respect to the inner wall surface and the cross member with respect to the outer wall surface. At the same time, the phosphorus hose fixed to the shock absorber pin extends in the vehicle front-rear direction at a position close to the cross member and is fixed to the wall surface of the side member in the vehicle width direction. The bent end extending in the vehicle width direction is overlapped with the flange formed on the side member, and the cross mem To the outer wall surface of the bar have been secured to the substantially vehicle longitudinal direction, since, also differ both fixed direction is large at this portion, the coupling rigidity of the side members and the cross member can be further enhanced.

以下、図面に示す本発明の実施例について説明する。   Embodiments of the present invention shown in the drawings will be described below.

車台１は、略車両前後方向に延びる左右の縦断面略ハット状サイドメンバ２が、それぞれ略車幅方向に延びるいくつかのクロスメンバ３により連結されているが、クロスメンバ３のうち車両後端の縦断面略ハット状エンドクロスメンバ４は、サイドメンバ２の内側壁５に形成された切欠き６内へ端部が嵌め込まれている。   In the chassis 1, left and right vertical cross-section side members 2 extending substantially in the vehicle front-rear direction are connected by several cross members 3 extending in the vehicle width direction. An end portion of the substantially cross-shaped hat-shaped end cross member 4 is fitted into a notch 6 formed in the inner wall 5 of the side member 2.

上記端部には略車両前後方向に延びるフランジ１０が形成されていて、図４及び図５に×印で示されているように、サイドメンバ２の外側壁５´における内壁面１１に対して略車幅方向に溶着されている一方、切欠き６の端縁に形成された略車幅方向に延びるサイドメンバ２のフランジ１２が、エンドクロスメンバ４の外壁面１３に対して略車両前後方向に溶着され、さらに、サイドメンバ２のフランジ１２´がエンドクロスメンバ４の端部底面に溶着されている。   A flange 10 extending substantially in the vehicle front-rear direction is formed at the end, and as shown by x in FIGS. 4 and 5, the inner wall 11 on the outer wall 5 ′ of the side member 2. The flange 12 of the side member 2 extending in the substantially vehicle width direction formed on the edge of the notch 6 while being welded in the substantially vehicle width direction is substantially in the vehicle front-rear direction with respect to the outer wall surface 13 of the end cross member 4. Further, the flange 12 ′ of the side member 2 is welded to the bottom surface of the end portion of the end cross member 4.

また、図示しないショックアブソーバの一端が取り付けられるショックアブソーバピン１５は、エンドクロスメンバ４に近接した位置で、サイドメンバ２の内側壁５及び外側壁５´を略車幅方向に貫通して、端部が外側壁５´に溶着されていると共に、板状の補強ブラケット１６が固着されており、図４及び図５に×印で示されているように、ブラケット１６の略車両前後方向に延びる平坦面１７がサイドメンバ内側壁５の外面１８に対して略車幅方向に溶着されている一方、ブラケット１６の屈曲した端部１９がサイドメンバ２のフランジ１２に重ねられて、フランジ１２と共にエンドクロスメンバ４の外壁面１３に対して略車両前後方向に溶着されている。   A shock absorber pin 15 to which one end of a shock absorber (not shown) is attached passes through the inner wall 5 and the outer wall 5 ′ of the side member 2 in the vehicle width direction at a position close to the end cross member 4, The portion is welded to the outer wall 5 ′, and a plate-like reinforcing bracket 16 is fixed, and extends substantially in the vehicle front-rear direction of the bracket 16 as indicated by the crosses in FIGS. 4 and 5. The flat surface 17 is welded to the outer surface 18 of the side member inner side wall 5 in the substantially vehicle width direction, while the bent end portion 19 of the bracket 16 is overlapped with the flange 12 of the side member 2 and is end together with the flange 12. It is welded to the outer wall surface 13 of the cross member 4 in the vehicle longitudinal direction.

さらに、横断面略コ字状で略上下に延びるラテラルブラケット２０は、図示しないリヤサスペンションにおけるラテラルロッドの一端が下部に取り付けられるが、その上部切欠き２１が下方からサイドメンバ２に嵌められ、図４及び図５に×印で示されているように、外側フランジ２２がエンドクロスメンバ４のフランジ１０と共にサイドメンバ２の外側壁５´における外面２３に対して略車幅方向に溶着され、かつ、内側フランジ２４がエンドクロスメンバ４の外壁面１３に対して略車両前後方向に溶着され、さらに、フランジ２５がサイドメンバ２の底面に溶着されている。 Furthermore, the lateral bracket 20 having a substantially U-shaped cross section and extending substantially vertically has one end of a lateral rod in a rear suspension (not shown) attached to the lower part, but its upper notch 21 is fitted to the side member 2 from below, 4 and 5, the outer flange 22 is welded together with the flange 10 of the end cross member 4 to the outer surface 23 of the outer wall 5 ′ of the side member 2 in the vehicle width direction, and The inner flange 24 is welded to the outer wall surface 13 of the end cross member 4 substantially in the vehicle front-rear direction, and the flange 25 is welded to the bottom surface of the side member 2 .

上記車台構造においては、車台１のエンドクロスメンバ４がサイドメンバ２の切欠き６内へ端部が嵌め込まれて、その端部に形成されたフランジ１０がサイドメンバ２の内壁面１１に対して略車幅方向に溶着されていると共に、切欠き６の端縁に形成されたサイドメンバ２のフランジ１２がエンドクロスメンバ４の外壁面１３に対して略車両前後方向に溶着されていて、サイドメンバ２とエンドクロスメンバ４の端部とが交叉した状態で組み合わされていると同時に、エンドクロスメンバ４端部のフランジ１０及びサイドメンバ内壁面１１の固着方向と、サイドメンバ２のフランジ１２及びエンドクロスメンバ４の外壁面１３の固着方向とがほぼ直交していて、両固着方向が大きく異なっているため、サイドメンバ２及びエンドクロスメンバ４の結合剛性を格段に高めることができる。   In the chassis structure, the end cross member 4 of the chassis 1 is fitted into the notch 6 of the side member 2, and the flange 10 formed at the end of the end cross member 4 is connected to the inner wall surface 11 of the side member 2. The flange 12 of the side member 2 formed at the edge of the notch 6 is welded to the outer wall surface 13 of the end cross member 4 in the vehicle front-rear direction. The member 2 and the end of the end cross member 4 are combined in a crossed state, and at the same time, the fixing direction of the flange 10 and the side wall 11 of the end cross member 4 and the flange 12 of the side member 2 and Since the fixing direction of the outer wall surface 13 of the end cross member 4 is substantially orthogonal and the fixing directions of the end cross member 4 are greatly different, the side member 2 and the end cross member It is possible to increase the coupling rigidity remarkably.

従って、サイドメンバ２及びエンドクロスメンバ４の結合部分付近に図示しないサスペンションからの大きな負荷が色々な方向に作用しても、サイドメンバ２及びエンドクロスメンバ４はそれらを容易に、かつ、効率良く支持することができ、ひいては、車両の重量を軽減させることができるようになる。   Therefore, even if a large load from a suspension (not shown) is applied in various directions near the connecting portion of the side member 2 and the end cross member 4, the side member 2 and the end cross member 4 can easily and efficiently perform them. Thus, the weight of the vehicle can be reduced.

また、ショックアブソーバピン１５に固着されたブラケット１６の平坦面１７が、エンドクロスメンバ４に近接した位置で、サイドメンバ内側壁５の外面１８に対して略車幅方向に溶着され、しかも、ブラケット１６の屈曲端部１９がサイドメンバ２のフランジ１２と共にエンドクロスメンバ４の外壁面１３に対して略車両前後方向に溶着されていて、ブラケット平坦面１７及びサイドメンバ外面１８の固着方向と、ブラケット屈曲端部１９、サイドメンバ２のフランジ１２及びエンドクロスメンバ４の外壁面１３の固着方向とがほぼ直交していて、やはり両固着方向が大きく異なっているため、この面からもサイドメンバ２及びエンドクロスメンバ４の結合剛性を容易に高めて、サスペンションの支持剛性を向上させることができる。   Further, the flat surface 17 of the bracket 16 fixed to the shock absorber pin 15 is welded to the outer surface 18 of the side wall 5 of the side member at a position close to the end cross member 4 in the vehicle width direction. 16 bent end portions 19 are welded to the outer wall surface 13 of the end cross member 4 together with the flange 12 of the side member 2 in the vehicle front-rear direction, and the fixing direction of the bracket flat surface 17 and the side member outer surface 18 and the bracket Since the fixing direction of the bent end portion 19, the flange 12 of the side member 2 and the outer wall surface 13 of the end cross member 4 is substantially orthogonal to each other, the fixing directions of the both are also greatly different. The coupling rigidity of the end cross member 4 can be easily increased to improve the suspension supporting rigidity.

さらに、ラテラルブラケット２０の外側フランジ２２がエンドクロスメンバ４のフランジ１０と共にサイドメンバ側壁外面２３に対して略車幅方向に溶着され、かつ、内側フランジ２４がエンドクロスメンバ外壁面１３に対して略車両前後方向に溶着されていて、ラテラルブラケット２０の上部がサイドメンバ２及びエンドクロスメンバ４の双方に固着されていると共に、その固着方向が大きく異なっているため、車台１に対するラテラルブラケット２０の結合剛性を容易に高め、従って、車台１及びラテラルブラケット２０によるラテラルロッドの支持剛性を確実に向上させることができる。   Further, the outer flange 22 of the lateral bracket 20 is welded to the side member side wall outer surface 23 together with the flange 10 of the end cross member 4 in the vehicle width direction, and the inner flange 24 is substantially set to the end cross member outer wall surface 13. The lateral bracket 20 is welded in the longitudinal direction of the vehicle, and the upper portion of the lateral bracket 20 is fixed to both the side member 2 and the end cross member 4, and the fixing directions thereof are greatly different. Rigidity can be easily increased, and accordingly, the support rigidity of the lateral rod by the chassis 1 and the lateral bracket 20 can be reliably improved.

なお、上記実施例では、ショックアブソーバピン１５に固着されたブラケット１６が、サイドメンバ内側壁５の外面１８及びエンドクロスメンバ４の外壁面１３に対してそれぞれ溶着されているが、ショックアブソーバピン１５に固着されたブラケットをサイドメンバ２の外側壁５´における内壁面１１に沿わせて配置し、その内壁面１１に溶着すると共に、縦断面略ハット状サイドメンバ２の内部において、ブラケットの屈曲端部をエンドクロスメンバ４の外壁面１３に溶着するようにしても、上記実施例と同等の作用効果を奏することができ、また、上記各実施例における溶着をボルト等による固着に適宜変更できることはいうまでもない。   In the above embodiment, the bracket 16 fixed to the shock absorber pin 15 is welded to the outer surface 18 of the side member inner wall 5 and the outer wall surface 13 of the end cross member 4, respectively. The bracket fixed to the inner wall surface 11 of the outer wall 5 ′ of the side member 2 is disposed along the inner wall surface 11 and welded to the inner wall surface 11, and the bent end of the bracket is disposed inside the side member 2 having a substantially vertical cross section. Even if the portion is welded to the outer wall surface 13 of the end cross member 4, it is possible to achieve the same operational effects as in the above embodiments, and that the welding in each of the above embodiments can be appropriately changed to fixing with bolts or the like. Needless to say.

本発明の実施例における概略斜視図。The schematic perspective view in the Example of this invention. 上記実施例の要部拡大斜視図。The principal part expansion perspective view of the said Example. 上記実施例の要部分解斜視図。The principal part disassembled perspective view of the said Example. 図２のIV−IV概略横断面拡大図。IV-IV schematic cross-sectional enlarged view of FIG. 図２のＶ−Ｖ概略横断面拡大図。VV schematic cross-sectional enlarged view of FIG.

符号の説明Explanation of symbols

１ 車台
２ サイドメンバ
４ エンドクロスメンバ
１０ フランジ
１１ 内壁面
１２ フランジ
１３ 外壁面
１５ ショックアブソーバピン
１６ ブラケット
１７ 平坦面
１８ 外面
１９ 屈曲端部
２０ ラテラルブラケット
２２ 外側フランジ
２３ 側壁外面
２４ 内側フランジ 1 chassis 2 side member 4 end cross member 10 flange 11 inner wall surface 12 flange 13 outer wall surface 15 shock absorber pin 16 bracket 17 flat surface 18 outer surface 19 bent end 20 lateral bracket 22 outer flange
23 Side wall outer surface 24 Inner flange

Claims (2)


略車両前後方向に延びるサイドメンバに略車幅方向に延びるクロスメンバの端部が嵌め込まれ、上記端部に形成されたフランジが上記サイドメンバの内壁面に対して略車幅方向に固着されると共に、上記サイドメンバに形成されたフランジが上記クロスメンバの外壁面に対して略車両前後方向に固着され、ショックアブソーバの一端が取り付けられるショックアブソーバピンに固着のリンホースが上記クロスメンバに近接した位置で略車両前後方向に延びて、上記サイドメンバの壁面に対し略車幅方向に固着され、かつ、上記リンホースの端部が屈曲して略車幅方向に延び、上記屈曲端部が上記サイドメンバに形成されたフランジに重ねられて同フランジと共に上記クロスメンバの外壁面に対して略車両前後方向に固着された車台補強構造。
An end portion of a cross member extending in a substantially vehicle width direction is fitted into a side member extending in a substantially vehicle longitudinal direction, and a flange formed at the end portion is fixed to the inner wall surface of the side member in a substantially vehicle width direction. In addition, a flange formed on the side member is fixed to the outer wall surface of the cross member substantially in the vehicle front-rear direction, and a phosphorus hose fixed to a shock absorber pin to which one end of the shock absorber is attached is close to the cross member. Extending substantially in the vehicle front-rear direction, fixed to the wall surface of the side member in the vehicle width direction, the end of the phosphorus hose being bent and extending in the vehicle width direction, and the bent end being the side member A chassis reinforcing structure which is overlapped with the flange formed on the vehicle body and fixed together with the flange to the outer wall surface of the cross member in the vehicle longitudinal direction . 請求項１において、ラテラルロッドの端部が取り付けられるラテラルブラケットが、上記サイドメンバの外壁面に対して略車幅方向に固着されると共に、上記クロスメンバの外壁面に対して略車両前後方向に固着された車台補強構造。
The lateral bracket to which the end portion of the lateral rod is attached is fixed to the outer wall surface of the side member in a substantially vehicle width direction, and is substantially in the vehicle front-rear direction with respect to the outer wall surface of the cross member. Fixed chassis reinforcement structure.
JP2003366934A 2003-10-28 2003-10-28 Chassis reinforcement structure Expired - Fee Related JP4228877B2 (en)

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JP2003366934A JP4228877B2 (en) 2003-10-28 2003-10-28 Chassis reinforcement structure

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JP2003366934A JP4228877B2 (en) 2003-10-28 2003-10-28 Chassis reinforcement structure

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JP2005132125A JP2005132125A (en) 2005-05-26
JP4228877B2 true JP4228877B2 (en) 2009-02-25

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KR101490923B1 (en) 2013-08-09 2015-02-06 현대자동차 주식회사 Vehicle body having rear side member

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