JP2000118443A - Car body stiffening structure - Google Patents
Car body stiffening structureInfo
- Publication number
- JP2000118443A JP2000118443A JP10292180A JP29218098A JP2000118443A JP 2000118443 A JP2000118443 A JP 2000118443A JP 10292180 A JP10292180 A JP 10292180A JP 29218098 A JP29218098 A JP 29218098A JP 2000118443 A JP2000118443 A JP 2000118443A
- Authority
- JP
- Japan
- Prior art keywords
- vehicle body
- bar member
- car body
- rigidity
- mount structure
- 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
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、車体の剛性を補う
車体補剛構造に関し、特に車体前方部又は後方部への捩
れ入力に対する剛性を高めるのに好適なものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle body stiffening structure for supplementing the rigidity of a vehicle body, and is particularly suitable for increasing the rigidity against a torsional input to a front portion or a rear portion of the vehicle body.
【０００２】[0002]
【従来の技術】車体の剛性を、車体本来の部材とは異な
る個別の部材で補う構造としては、例えばストラットタ
ワーバーと称するものがある。このストラットタワーバ
ーは、搭載時の適合のための若干の変形を除き、凡そ直
線状のバー部材の両端部を、ストラットアッパマウント
部に連結することにより、ストラットタワーの倒れ剛性
を増加するものである。なお、ストラットとは、サスペ
ンション装置のうち、ショックアブソーバやコイルスプ
リング等から構成されるストラット部材，即ち柱状部材
を示し、従ってストラットアッパマウント部とは、当該
サスペンション装置の柱状部材と車体との上部連結点或
いはその搭載構造部を示し、ストラットタワーとは、当
該サスペンション装置の柱状部材を収納するために車体
に形成されたトンネル状部を示す。2. Description of the Related Art As a structure in which rigidity of a vehicle body is supplemented by individual members different from members inherent in the vehicle body, there is a structure called, for example, a strut tower bar. This strut tower bar increases the fall rigidity of the strut tower by connecting both ends of the approximately linear bar member to the strut upper mount part, except for a slight deformation for fitting at the time of mounting. is there. In addition, the strut means a strut member, that is, a columnar member including a shock absorber, a coil spring, or the like, of the suspension device. A point or a mounting structure thereof is shown, and a strut tower is a tunnel-like portion formed on a vehicle body to accommodate a columnar member of the suspension device.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、前記ス
トラットタワーバーを用いた車体補剛構造は、単にスト
ラットタワーの倒れ剛性を増加させるのみであって、左
右輪からの逆相上下方向入力，つまり捩れ入力に対する
剛性を高めることはできない。However, the vehicle body stiffening structure using the strut tower bar merely increases the fall stiffness of the strut tower. Rigidity to input cannot be increased.
【０００４】本発明は、これらの諸問題を解決すべく開
発されたものであり、車体への捩れ入力に対する剛性を
高めて車体剛性を補うことができる車体補剛構造を提供
することを目的とするものである。[0004] The present invention has been developed to solve these problems, and an object of the present invention is to provide a vehicle body stiffening structure capable of increasing the rigidity against torsional input to the vehicle body and supplementing the vehicle body rigidity. Is what you do.
【０００５】[0005]
【課題を解決するための手段】上記諸問題を解決するた
め、本発明のうち請求項１に係る車体補剛構造は、中央
部が車両後方又は前方に曲げられているバー部材の両端
部を車体のストラットアッパマウント部に連結し且つ当
該バー部材の中央部を車体の幅方向中央部にソフトマウ
ント構造で連結したことを特徴とするものである。In order to solve the above-mentioned problems, a stiffening structure for a vehicle body according to a first aspect of the present invention comprises a bar member having a center portion bent rearward or forward of the vehicle. The bar member is connected to a strut upper mount portion of the vehicle body, and a center portion of the bar member is connected to a center portion of the vehicle body in a width direction by a soft mount structure.
【０００６】なお、本発明中のストラットアッパマウン
ト部とは、前述の如く、サスペンション装置の柱状部材
と車体との上部連結点或いはその搭載構造部を示し、ソ
フトマウント構造とは、機械的に剛でなく連結する構造
を示す。The strut upper mount in the present invention refers to the upper connection point between the columnar member of the suspension device and the vehicle body or the mounting structure thereof, as described above. The soft mount structure is a mechanically rigid structure. The structure is not shown but connected.
【０００７】また、本発明のうち請求項２に係る車体補
剛構造は、前記請求項１の発明において、前記バー部材
を車体に連結するソフトマウント構造は、バー部材と車
体との間に弾性部材を介装したことを特徴とするもので
ある。According to a second aspect of the present invention, there is provided a vehicle body stiffening structure according to the first aspect, wherein the soft mount structure for connecting the bar member to the vehicle body has an elasticity between the bar member and the vehicle body. It is characterized in that a member is interposed.
【０００８】また、本発明のうち請求項３に係る車体補
剛構造は、前記請求項１の発明において、前記バー部材
を車体に連結するソフトマウント構造は、車体の剛性の
低い部分にバー部材を直接連結するものであることを特
徴とするものである。According to a third aspect of the present invention, there is provided a vehicle body stiffening structure according to the first aspect, wherein the soft mount structure for connecting the bar member to the vehicle body includes a bar member provided at a low rigidity portion of the vehicle body. Are directly connected.
【０００９】[0009]
【発明の効果】而して、本発明のうち請求項１に係る車
体補剛構造によれば、中央部が車両後方又は前方に曲げ
られているバー部材の両端部を車体のストラットアッパ
マウント部に連結し且つ当該バー部材の中央部を車体の
幅方向中央部にソフトマウント構造で連結したことによ
り、車体に捩れ入力があると、バー部材がスタビライザ
効果を発揮して、当該捩れ入力をソフトマウント構造で
連結した車体側に逃がしてしまうので、捩れ入力のある
車体部位の変形を抑制防止することができ、結果的に捩
れ入力に対する剛性が高まる。According to the vehicle body stiffening structure according to the first aspect of the present invention, both ends of the bar member whose center portion is bent rearward or forward are connected to the strut upper mount portion of the vehicle body. And the center part of the bar member is connected to the center part in the width direction of the vehicle body by a soft mount structure, so that when there is a torsion input to the vehicle body, the bar member exerts a stabilizer effect and the torsion input is softened. Since the vehicle body escapes to the vehicle body connected by the mount structure, deformation of the vehicle body part having a torsion input can be suppressed and, as a result, rigidity against the torsion input increases.
【００１０】また、本発明のうち請求項２に係る車体補
剛構造によれば、バー部材と車体との間に弾性部材を介
装して当該バー部材を車体に連結するソフトマウント構
造としたため、実施化が容易となる。According to the vehicle body stiffening structure of the present invention, a soft mount structure is provided in which an elastic member is interposed between the bar member and the vehicle body to connect the bar member to the vehicle body. , Implementation becomes easy.
【００１１】また、本発明のうち請求項３に係る車体補
剛構造によれば、車体の剛性の低い部分にバー部材を直
接連結することにより当該バー部材を車体に連結するソ
フトマウント構造としたため、実施化が容易となる。According to the vehicle body stiffening structure according to the third aspect of the present invention, the bar member is directly connected to a low rigidity portion of the vehicle body to thereby connect the bar member to the vehicle body. , Implementation becomes easy.
【００１２】[0012]
【発明の実施の形態】次に本発明に係るサスペンション
装置の一実施形態を図１〜図３に基づいて詳細に説明す
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of a suspension device according to the present invention will be described in detail with reference to FIGS.
【００１３】この実施形態は、車体前方部の補剛に展開
されたものであり、丸パイプを台形に曲げてバー部材１
を構成し、その両端部２を前輪用ストラットタワー３に
おけるストラットアッパマウント部４に連結し、その中
央部５，つまり車両後方に曲げられている部分を、車室
とエンジンルームとの間の仕切り，所謂ダッシュ６の車
幅方向中央部にソフトマウント構造１３で連結して、前
左右輪からの捩れ入力に対する剛性を高めている。In this embodiment, a bar member 1 is formed by bending a round pipe into a trapezoid to stiffen a front portion of a vehicle body.
And both end portions 2 are connected to a strut upper mount portion 4 of the front wheel strut tower 3, and a central portion 5, that is, a portion bent rearward of the vehicle is partitioned between the vehicle room and the engine room. A soft mount structure 13 is connected to the so-called dash 6 at the center in the vehicle width direction to increase rigidity against torsional input from the front left and right wheels.
【００１４】前記バー部材１の両端部２には、前記前輪
用ストラットタワー３におけるストラットアッパマウン
ト部４への連結を容易化するように、車両前後方向に軸
線を向けて偏平管７が取付けられている。また、台形に
曲げられた中央部２のうち、ソフトマウント構造１３に
よって車体に連結される連結部（断面Ａ−Ａ部）８は、
丸パイプを完全に潰して偏平にしてあり、その中央部に
貫通孔９が形成されている。また、それ以外の部分（断
面Ｂ−Ｂ部）は、丸パイプが完全に潰れないまでも偏平
にしている。A flat tube 7 is attached to both ends 2 of the bar member 1 so that the flat tube 7 is oriented in the vehicle longitudinal direction so as to be easily connected to the strut upper mount portion 4 of the strut tower 3 for front wheels. ing. In the central portion 2 bent into a trapezoid, the connecting portion (section AA) 8 connected to the vehicle body by the soft mount structure 13 is:
The round pipe is completely crushed and flattened, and a through hole 9 is formed at the center thereof. The other parts (section BB) are flattened even if the round pipe is not completely crushed.
【００１５】一方、車体ダッシュ６のうち、前記バー部
材１の連結部８がソフトマウント構造１３によって連結
される部位は、剛性の低い部分であり、そこに連結用ブ
ラケット１０が溶接固定されている。従って、本実施形
態のソフトマウント構造１３は、単にブラケット１０か
ら連結部８の貫通孔９にボルト１１を挿通し、そのネジ
部１１ａにナット１２を螺合し締付けただけであるが、
車体ダッシュ６側の連結部位の剛性が低いために、全体
でソフトマウント構造，つまり機械的に剛でない連結構
造となっている。On the other hand, the portion of the vehicle dash 6 where the connecting portion 8 of the bar member 1 is connected by the soft mount structure 13 is a portion having low rigidity, and the connecting bracket 10 is fixed thereto by welding. . Therefore, in the soft mount structure 13 of the present embodiment, the bolt 11 is simply inserted into the through hole 9 of the connecting portion 8 from the bracket 10 and the nut 12 is screwed into the screw portion 11a and tightened.
Since the rigidity of the connecting portion on the vehicle body dash 6 side is low, the entire structure has a soft mount structure, that is, a mechanically rigid connecting structure.
【００１６】従って、前左右輪からの捩れ入力は、バー
部材１からソフトマウント構造１３を介して車体に逃が
すスタビライザ効果が発揮され、捩れ入力による変形が
抑制防止されるので、結果的に剛性が高まる。Therefore, the torsional input from the front left and right wheels exerts a stabilizer effect of escaping from the bar member 1 to the vehicle body via the soft mount structure 13, and the deformation due to the torsional input is suppressed and prevented. Increase.
【００１７】なお、前記ソフトマウント構造としては、
例えば図４に示すように、所謂ゴムブッシュ等の弾性部
材１４を介装してバー部材１と車体とを連結する構造で
もよい。図示のものでは、丸パイプのままのバー部材１
を弾性部材１４内に挿通し、それをカバー１５で押付け
るようにして車体ダッシュ６に連結している。この場合
も、前左右輪からの捩れ入力は、バー部材１からソフト
マウント構造１３を介して車体に逃がされるので、同様
のスタビライザ効果が得られ、車体剛性が高まる。Incidentally, the soft mount structure includes:
For example, as shown in FIG. 4, a structure may be used in which the bar member 1 and the vehicle body are connected by interposing an elastic member 14 such as a so-called rubber bush. In the illustrated example, the bar member 1 remains as a round pipe.
Is inserted into the elastic member 14, and is connected to the vehicle dash 6 by pressing it with the cover 15. Also in this case, the torsional input from the front left and right wheels is released from the bar member 1 to the vehicle body via the soft mount structure 13, so that a similar stabilizer effect is obtained, and the vehicle body rigidity is increased.
【００１８】また、前記実施形態では、前輪用ストラッ
トアッパマウント部と車体前方部とをバー部材で連結し
て補剛する構成についてのみ詳述したが、後輪用ストラ
ットアッパマウント部と車体後方部とを同様のバー部材
で連結して補剛してもよい。このときには、バー部材の
中央部を車両前方に曲げ、それを車室後端中央部にソフ
トマウントするようにすればよい。Further, in the above-described embodiment, only the structure in which the front wheel strut upper mount portion and the front portion of the vehicle body are stiffened by connecting them with a bar member has been described in detail. May be connected by a similar bar member and stiffened. At this time, the center of the bar member may be bent forward of the vehicle, and the bar may be soft-mounted at the center of the rear end of the passenger compartment.
【図１】本発明の車体補剛構造の一実施形態を示す斜視
図である。FIG. 1 is a perspective view showing one embodiment of a vehicle body stiffening structure of the present invention.
【図２】図１に示す車体補剛構造に用いられたバー部材
の説明図であり、（ａ）は平面図、（ｂ）はそのＡ−Ａ
断面図、（ｃ）はそのＢ−Ｂ断面図、（ｄ）は側面図で
ある。FIGS. 2A and 2B are explanatory views of a bar member used in the vehicle body stiffening structure shown in FIG. 1, wherein FIG. 2A is a plan view and FIG.
FIG. 4C is a sectional view, FIG. 4C is a sectional view taken along line BB, and FIG.
【図３】図１に示す車体補剛構造に用いられたソフトマ
ウント構造を示す縦断面図である。FIG. 3 is a longitudinal sectional view showing a soft mount structure used in the vehicle body stiffening structure shown in FIG.
【図４】本発明の車体補剛構造に用いられるソフトマウ
ント構造の他の例を示す縦断面図である。FIG. 4 is a longitudinal sectional view showing another example of the soft mount structure used for the vehicle body stiffening structure of the present invention.
１はバー部材 ２は両端部 ３はストラットタワー ４はストラットアッパマウント部 ５は中央部 ６はダッシュ（車体幅方向中央部） ８は連結部 １３はソフトマウント構造 １４は弾性部材 1 is a bar member 2 is both end portions 3 is a strut tower 4 is a strut upper mount portion 5 is a center portion 6 is a dash (center portion in the vehicle width direction) 8 is a connecting portion 13 is a soft mount structure 14 is an elastic member
Claims (3)
いるバー部材の両端部を車体のストラットアッパマウン
ト部に連結し且つ当該バー部材の中央部を車体の幅方向
中央部にソフトマウント構造で連結したことを特徴とす
る車体補剛構造。1. A soft mount structure in which both ends of a bar member whose center portion is bent rearward or forward of a vehicle are connected to a strut upper mount portion of a vehicle body, and the center portion of the bar member is mounted at a widthwise central portion of the vehicle body. The vehicle body stiffening structure characterized by being connected by.
ウント構造は、バー部材と車体との間に弾性部材を介装
したことを特徴とする請求項１に記載の車体補剛構造。2. The vehicle body stiffening structure according to claim 1, wherein the soft mount structure for connecting the bar member to the vehicle body has an elastic member interposed between the bar member and the vehicle body.
ウント構造は、車体の剛性の低い部分にバー部材を直接
連結するものであることを特徴とする請求項１に記載の
車体補剛構造。3. The vehicle body stiffening structure according to claim 1, wherein the soft mount structure for connecting the bar member to the vehicle body directly connects the bar member to a low rigidity portion of the vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10292180A JP2000118443A (en) | 1998-10-14 | 1998-10-14 | Car body stiffening structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10292180A JP2000118443A (en) | 1998-10-14 | 1998-10-14 | Car body stiffening structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000118443A true JP2000118443A (en) | 2000-04-25 |
Family
ID=17778607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10292180A Pending JP2000118443A (en) | 1998-10-14 | 1998-10-14 | Car body stiffening structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000118443A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006213208A (en) * | 2005-02-04 | 2006-08-17 | Nissan Motor Co Ltd | Vehicle body front structure |
| JP2010120402A (en) * | 2008-11-17 | 2010-06-03 | Honda Motor Co Ltd | Front body structure of automobile |
| CN101992807A (en) * | 2010-10-22 | 2011-03-30 | 奇瑞汽车股份有限公司 | Support frame of automobile forecabin and automobile forecabin applying same |
| CN103043111A (en) * | 2011-10-11 | 2013-04-17 | 铃木株式会社 | Vehicle front peripheral structure |
| WO2014086597A1 (en) * | 2012-12-07 | 2014-06-12 | Bayerische Motoren Werke Aktiengesellschaft | Reinforcing strut |
-
1998
- 1998-10-14 JP JP10292180A patent/JP2000118443A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006213208A (en) * | 2005-02-04 | 2006-08-17 | Nissan Motor Co Ltd | Vehicle body front structure |
| US7404596B2 (en) | 2005-02-04 | 2008-07-29 | Nissan Motor Co., Ltd. | Vehicle front body structure |
| CN100436231C (en) * | 2005-02-04 | 2008-11-26 | 日产自动车株式会社 | Vehicle front body structure |
| JP2010120402A (en) * | 2008-11-17 | 2010-06-03 | Honda Motor Co Ltd | Front body structure of automobile |
| CN101992807A (en) * | 2010-10-22 | 2011-03-30 | 奇瑞汽车股份有限公司 | Support frame of automobile forecabin and automobile forecabin applying same |
| CN103043111A (en) * | 2011-10-11 | 2013-04-17 | 铃木株式会社 | Vehicle front peripheral structure |
| CN103043111B (en) * | 2011-10-11 | 2015-04-01 | 铃木株式会社 | Vehicle front peripheral structure |
| WO2014086597A1 (en) * | 2012-12-07 | 2014-06-12 | Bayerische Motoren Werke Aktiengesellschaft | Reinforcing strut |
| CN104853978A (en) * | 2012-12-07 | 2015-08-19 | 宝马股份公司 | Reinforcing strut |
| US9586624B2 (en) | 2012-12-07 | 2017-03-07 | Bayerische Motoren Werke Aktiengesellschaft | Reinforcing strut |
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