JP5512993B2 - Strut bar mounting structure - Google Patents

Strut bar mounting structure Download PDF

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JP5512993B2
JP5512993B2 JP2009083223A JP2009083223A JP5512993B2 JP 5512993 B2 JP5512993 B2 JP 5512993B2 JP 2009083223 A JP2009083223 A JP 2009083223A JP 2009083223 A JP2009083223 A JP 2009083223A JP 5512993 B2 JP5512993 B2 JP 5512993B2
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strut bar
mounting
strut
vehicle body
structures
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JP2010234889A (en
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拓生 中村
速水 中川
建志 篠田
智士 竹内
裕介 木村
哲史 柳本
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Mitsubishi Aluminum Co Ltd
Ahresty Corp
Mitsubishi Motors Corp
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Mitsubishi Aluminum Co Ltd
Ahresty Corp
Mitsubishi Motors Corp
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Description

本発明は、車幅方向に延在し、その両端が車体側に固定されるストラットバーの取付構造に関する。   The present invention relates to a strut bar mounting structure that extends in the vehicle width direction and has both ends fixed to a vehicle body.

車両には、車体の剛性を高める目的から、車幅方向に延在して、その両端を車体側に固定されるストラットバーが車体の前部や後部に配置されているものがある。ストラットバーは、その両端には取付けブラケットが設けられている。ストラットバーは、このブラケットを介して車両幅方向に配置されているサスペンション取付部となるストラット部の間に横架され、ボルトとナットでストラット部の上部に、その両端が締結されることで車体に取り付けられている。このようなストラットバーの取付構造としては、例えば特許文献1が挙げられる   Some vehicles have strut bars that extend in the vehicle width direction and are fixed to the vehicle body side at the front and rear portions of the vehicle body in order to increase the rigidity of the vehicle body. The strut bar is provided with mounting brackets at both ends thereof. The strut bar is placed between the struts that are suspension mounting parts arranged in the vehicle width direction via this bracket, and the bolts and nuts are fastened to the upper part of the struts, and the both ends are fastened to the vehicle body. It is attached. An example of such a strut bar mounting structure is Patent Document 1.

特開平5−319307号公報JP-A-5-319307

従来のストラットバーの取付構造では、取付けブラケットを介してストラットバーの両端をストラット部に取り付けている。ストラットバーと車体側との取付部には、高剛性が要求されるため、取付け剛性を高めるには板厚を厚くする、あるいは補強板を設けるなどして剛性を高める必要があり、組付け作業が煩雑になってしまう。
本発明は、取付け剛性を確保しながら組付け作業の簡素化を図れるストラットバーの取付構造を提供することを、その目的とする。
In the conventional strut bar mounting structure, both ends of the strut bar are mounted to the strut portion via mounting brackets. Since the mounting portion between the strut bar and the vehicle body side is required to have high rigidity, it is necessary to increase the rigidity by increasing the plate thickness or providing a reinforcing plate to increase the mounting rigidity. It becomes complicated.
An object of the present invention is to provide a strut bar mounting structure capable of simplifying the assembling work while ensuring mounting rigidity.

上記課題を解決するため、本発明は、車幅方向に延在する棒状であり、その両端を車体のストラット部に固定するストラットバーの取付構造において、ストラットバーの両端をストラット部に取り付ける取付部とストラット部とで車体を構成する骨格部材を一体成型して車幅方向に位置する左右の構造体を構成し、ストラットバーの両端を、取付部に締結して左右の構造体に固定するとともに、左右の構造体を車体のキャビン部に結合するものであり、左右の構造体がキャビン部よりも車両前方に位置する車体前部の一部を構成し、左右の構造体に形成された取付部は、左右の構造体にそれぞれ互いに対向して成型された補強リブを兼ねていて、補強リブ間にストラットバーの端部を配置し、当該端部の内部に配置したナットにボルトを、補強リブに形成した取付孔と、ストラットバーの端部に形成した取付穴から挿入して締め込むことで締結することを特徴としている。 In order to solve the above-mentioned problems, the present invention is a strut bar mounting structure in which a rod shape extending in the vehicle width direction and both ends thereof are fixed to a strut portion of a vehicle body. constitute the left and right structure located in the vehicle width direction by integrally molding a frame member constituting the vehicle body in a section, the ends of the strut bar, is fixed to the left and right structures fastened to the mounting portion, the left and right The structure is coupled to the cabin part of the vehicle body , the left and right structures constitute a part of the vehicle body front located in front of the cabin, and the mounting parts formed on the left and right structures are serve as the left and right reinforcing ribs each structure molded to face each other, placing the end of the strut bar between the reinforcing ribs, the bolt into the nut disposed in the interior of the end portion, the auxiliary A mounting hole formed in the rib, and the fastening to said Rukoto by tightening inserted from the mounting hole formed in an end portion of the strut bar.

本発明によれば、ストラット部に取り付ける取付部とストラット部とで車体を構成する骨格部材を一体成型して構造体を構成し、幅方向に延在する棒状のストラットバーの両端を、取付部に締結して構造体に固定したので、従来の取付けブラケットが不要になるとともに、従来のプレス成型のストラット部に固定する場合よりも接合箇所が少なく、高剛性を確保しながら組付け作業の簡素化を図ることができる。また、構造体を車体のキャビン部に結合したので、その剛性はより高くなり、ストラットバーの取付け剛性も高められる。 According to the present invention, a skeleton member constituting a vehicle body is integrally formed with a mounting portion attached to a strut portion and a strut portion to form a structure, and both ends of a rod-like strut bar extending in the width direction are attached to the mounting portion. Fastened and fixed to the structure eliminates the need for conventional mounting brackets and simplifies assembly work while ensuring high rigidity with fewer joints than when fixed to a conventional press-molded strut Can be achieved. Further, since the structure is coupled to the cabin portion of the vehicle body, the rigidity thereof is further increased, and the mounting rigidity of the strut bar is also increased.

本発明の一実施形態であるとストラットバーの取付構造が適用されたと車体の概略構成を示す斜視図である。1 is a perspective view showing a schematic configuration of a vehicle body when a strut bar mounting structure is applied according to an embodiment of the present invention. FIG. ストラットバーの取付構造を示す拡大斜視図である。It is an expansion perspective view which shows the attachment structure of a strut bar. ストラットバーの取付部の構造と取付け状態を示す拡大断面図である。It is an expanded sectional view which shows the structure and attachment state of the attaching part of a strut bar. ストラットバーの取付部の構造の変形例と取付け状態を示す拡大断面図である。It is an expanded sectional view which shows the modification of the structure of the attaching part of a strut bar, and an attachment state. ストラットバーの取付部の構造の別な変形例と取付け状態を示す拡大断面図である。It is an expanded sectional view which shows another modification of the structure of the attaching part of a strut bar, and an attachment state.

以下、本発明のストラットバーの取付構造に関する実施の形態について図面を用いて説明する。図1において、車体1は、キャビン部2と、キャビン部2よりも車両前方に位置する前部構造部3とを備えている。   DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of a strut bar mounting structure according to the present invention will be described with reference to the drawings. In FIG. 1, the vehicle body 1 includes a cabin part 2 and a front structure part 3 positioned in front of the vehicle with respect to the cabin part 2.

前部構造部3は、車幅方向Wに位置する左右の構造体7,8と、構造体7,8よりも車両前方に位置して、構造体7,8にアッパメンバ34A及びロアメンバ34Bとが接合されたフロントメンバ34と、フロントメンバ34に連結されたバンパ取付けビーム35とを備えている。構造体7は、図示しない右フンロトサスペンションを支持するサスペンション支持部材となるストラット部30とストラット部30の下方に位置して骨格部材となるサイドメンバ32とで構成されたものである。構造体8は、図示しない左フロントサスペンションを支持するサスペンション支持部材となるストラット部31とストラット部31の下方に位置して骨格部材となるサイドメンバ33とで構成されたものである。本形態ではストラット部30とサイドメンバ32及びストラット部31とサイドメンバ33をダイカスト製法でそれぞれ一体成型しているが、このような製法に限定されるものではなく、別な製法で一体化を図る形態であってもよい The front structure portion 3 includes left and right structures 7 and 8 positioned in the vehicle width direction W, and is positioned in front of the structures 7 and 8 so that an upper member 34A and a lower member 34B are provided on the structures 7 and 8. A front member 34 joined and a bumper mounting beam 35 connected to the front member 34 are provided. The structure 7 includes a strut portion 30 that serves as a suspension support member that supports a right funnel suspension (not shown), and a side member 32 that is positioned below the strut portion 30 and serves as a skeleton member. The structure 8 includes a strut portion 31 that is a suspension support member that supports a left front suspension (not shown) and a side member 33 that is positioned below the strut portion 31 and is a skeleton member. In this embodiment, the strut portion 30 and the side member 32, and the strut portion 31 and the side member 33 are integrally formed by a die casting method, but are not limited to such a manufacturing method, and are integrated by another manufacturing method. Form may be sufficient .

構造体7と構造体8の間には、車幅方向Wに延びるストラットバー60が、その両端60a,60bを構造体7,8の上面7A,8Aに固定することで横架される。上面7A,8Aにはサスペンション取付部9A,9Bがそれぞれ形成され、サスペンション取付部9A,9Bよりも車両前方側にはフロントメンバ34の取付部36A,36Bが形成され、サスペンション取付部9A,9Bよりも車両後方側にはキャビン部2との接合部37,38が形成されている。これら構造体7,8の上面7A,8Aには、ストラットバー60の両端60a,60bを取り付けるための取付部301,302が一体成型されている。   A strut bar 60 extending in the vehicle width direction W is placed between the structures 7 and 8 by fixing both ends 60a and 60b to the upper surfaces 7A and 8A of the structures 7 and 8. Suspension attachment portions 9A and 9B are formed on the upper surfaces 7A and 8A, respectively, attachment portions 36A and 36B of the front member 34 are formed on the vehicle front side of the suspension attachment portions 9A and 9B, and suspension attachment portions 9A and 9B. Also, joints 37 and 38 with the cabin 2 are formed on the vehicle rear side. Attachment portions 301 and 302 for attaching both ends 60a and 60b of the strut bar 60 are integrally formed on the upper surfaces 7A and 8A of the structures 7 and 8, respectively.

取付部301は、図2,図3に示すように、構造体7の上面7Aに、互いに対向して成型された補強リブ301aと補強リブ301bで構成され、取付部302は、構造体8の上面8Aに、互いに対向して成型された補強リブ302aと補強リブ302bで構成されている。補強リブ301aと補強リブ301bには、取付孔303,305が、補強リブ302aと補強リブ302bには、取付孔304,306がそれぞれ形成されている。   As shown in FIGS. 2 and 3, the attachment portion 301 includes a reinforcing rib 301 a and a reinforcing rib 301 b that are molded to face each other on the upper surface 7 </ b> A of the structure body 7. The upper surface 8A includes a reinforcing rib 302a and a reinforcing rib 302b that are molded to face each other. Mounting holes 303 and 305 are formed in the reinforcing rib 301a and the reinforcing rib 301b, and mounting holes 304 and 306 are formed in the reinforcing rib 302a and the reinforcing rib 302b, respectively.

ストラットバー60は、押出成形されて断面角型の部材であって、その両端60a,60bには、従来のような取付けブラケットは装着されていない。ストラットバー60の両端60a,60bの側面60c,側面60dには、取付穴307,307がそれぞれ貫通して形成されている。各取付穴307は、ストラットバー60の端部60aを補強リブ301a,301bの間に挿入し上面7Aに置かれ、ストラットバー60の端部60bを補強リブ302a,302bの間に挿入して上面8Aに置かれたときに、取付孔303〜306と対向する位置に形成されている。   The strut bar 60 is an extruded member having a square cross section, and conventional mounting brackets are not attached to both ends 60a, 60b. Mounting holes 307 and 307 are formed through the side surfaces 60c and 60d of both ends 60a and 60b of the strut bar 60, respectively. Each mounting hole 307 is placed on the upper surface 7A by inserting the end portion 60a of the strut bar 60 between the reinforcing ribs 301a and 301b, and inserted into the upper surface 8A by inserting the end portion 60b of the strut bar 60 between the reinforcing ribs 302a and 302b. It is formed at a position facing the mounting holes 303 to 306 when placed.

このような構成のストラットバー60の取付構造においては、ストラットバー60の両端60a,60bを、図3に示すように、構造体7,8の上面7A,8Aに配置されている取付部301,302にそれぞれ装着する。具体的には、ストラットバー60の端部60aを補強リブ301a,301bの間に挿入し、ストラットバー60の端部60bを補強リブ302a,302bの間に挿入する。この状態でボルト59,59を各取付孔303から307に挿通し、端部60a,60bの内部に配置したナット61,61にそれぞれ締め込むことで、ストラットバー60の両端60a,60bが構造体7,8に締結固定される。   In the mounting structure of the strut bar 60 having such a structure, both ends 60a and 60b of the strut bar 60 are attached to the mounting portions 301 and 302 disposed on the upper surfaces 7A and 8A of the structures 7 and 8, as shown in FIG. Wear each one. Specifically, the end 60a of the strut bar 60 is inserted between the reinforcing ribs 301a and 301b, and the end 60b of the strut bar 60 is inserted between the reinforcing ribs 302a and 302b. In this state, the bolts 59 and 59 are inserted into the mounting holes 303 to 307 and tightened into the nuts 61 and 61 disposed inside the end portions 60a and 60b, respectively, so that both ends 60a and 60b of the strut bar 60 are structured. , 8 are fastened and fixed.

このように、ストラット部30,31と取付部301,302とを車体1を構成するサイドメンバ32,33とダイカスト製法で一体成型して構造体7,8を構成し、ストラットバー60の両端60a,60bを、構造体7,8に一体成型した取付部301,302に締結して固定することで、従来の取付けブラケットが不要になるとともに、従来のプレス成型のストラット部に固定する場合よりも接合箇所が少なく、取付け剛性を確保しながら組付け作業の簡素化を図ることができる。また、構造体7,8はキャビン部2に対して結合されるので、その剛性はより高くなり、ストラットバー60の取付け剛性も高められる。   As described above, the strut portions 30 and 31 and the attachment portions 301 and 302 are integrally formed with the side members 32 and 33 constituting the vehicle body 1 by the die casting method to form the structures 7 and 8, and the strut bar 60 has both ends 60a and 60a. By fastening 60b to the mounting portions 301 and 302 integrally molded with the structures 7 and 8, the conventional mounting bracket is not required, and it is more bonded than when fixing to the conventional press-molded strut portion. The number of locations is small, and the assembly work can be simplified while securing the mounting rigidity. Further, since the structures 7 and 8 are coupled to the cabin portion 2, the rigidity thereof is further increased, and the attachment rigidity of the strut bar 60 is also increased.

ストラットバー60の両端60a,60bと取付部301,302の締結構造は、図3に示す形態に限定されるものではなく、例えば図4に示すように、ストラットバー60の両端60a,60bの上面60eと下面60fに取付穴307,307をそれぞれ貫通して形成し、各取付穴307にパイプ材70を挿入する。取付部301,302には、補強リブ301a,301bの間と、補強リブ302a,302bの間に位置する取付面7B,8Bに取付孔303,304をそれぞれ形成する。そして、ストラットバー60の両端60a,60bを各補強リブ間に挿入し、各取付孔303,304からパイプ材70の内部にボルト59をそれぞれ下面60f側から挿通して上面60e側に配置したナット61に締め込んで、構造体7,8に締結固定してもよい。   The fastening structure of the both ends 60a, 60b of the strut bar 60 and the attachment portions 301, 302 is not limited to the form shown in FIG. 3, and for example, as shown in FIG. 4, the upper surfaces 60e of the both ends 60a, 60b of the strut bar 60 The attachment holes 307 and 307 are formed through the lower surface 60f, and the pipe member 70 is inserted into each attachment hole 307. In the attachment portions 301 and 302, attachment holes 303 and 304 are formed in attachment surfaces 7B and 8B located between the reinforcement ribs 301a and 301b and between the reinforcement ribs 302a and 302b, respectively. Then, both ends 60a and 60b of the strut bar 60 are inserted between the reinforcing ribs, and the bolts 59 are respectively inserted into the pipe member 70 from the mounting holes 303 and 304 from the lower surface 60f side and arranged on the upper surface 60e side. And fastened to the structures 7 and 8.

あるいは、図5に示すように、補強リブ301a,301bの間と、補強リブ302a,302bの間に位置する取付面7B,8Bに、補強リブ301a,301bと同一方向に延設するボス部71をそれぞれ形成する。各ボス部71には、ねじ穴72をそれぞれ形成し、ストラットバー60の両端60a,60bの上面60eと下面60fには取付穴307,307をそれぞれ貫通して形成する。そして各上面60eに形成した取付穴307からボルト59をそれぞれ挿入して各ボス部71のねじ穴72に締め込んで、ストラットバー60の両端60a,60bを構造体7,8と締結固定してもよい。   Alternatively, as shown in FIG. 5, a boss portion 71 extending in the same direction as the reinforcing ribs 301a and 301b on the mounting surfaces 7B and 8B located between the reinforcing ribs 301a and 301b and between the reinforcing ribs 302a and 302b. Respectively. Each boss portion 71 is formed with a screw hole 72, and mounting holes 307 and 307 are formed through the upper surface 60 e and the lower surface 60 f of both ends 60 a and 60 b of the strut bar 60, respectively. Then, the bolts 59 are respectively inserted from the mounting holes 307 formed in the upper surfaces 60 e and tightened into the screw holes 72 of the boss portions 71, so that both ends 60 a and 60 b of the strut bar 60 are fastened and fixed to the structures 7 and 8. Good.

本形態ではストラットバー60に段面角型の中空部材を用いたが、断面略円形状のパイプ部材を用いてもよい。
キャビン部2と前部構造部3とが異なる材質で構成されている場合、図1に仮想線で示すように、キャビン部2と前部構造部3との間にブラケット5を介在してキャビン部2と前部構造部3とを結合するようにしても良い。
In this embodiment, the stepped square hollow member is used for the strut bar 60, but a pipe member having a substantially circular cross section may be used.
When the cabin part 2 and the front structure part 3 are made of different materials, the cabin 5 is interposed between the cabin part 2 and the front structure part 3 as shown by phantom lines in FIG. The part 2 and the front structure part 3 may be coupled.

1 車体
2 キャビン部
7,8 構造体
30,31 ストラット部
32,33 骨格部材
60 ストラットバー
60a,60b ストラットバーの両端
301,302 取付部
301a,301b 補強リブ
302a,302b 補強リブ
W 車幅方向
DESCRIPTION OF SYMBOLS 1 Car body 2 Cabin part 7, 8 Structure 30, 31 Strut part 32, 33 Frame member 60 Strut bar 60a, 60b Strut bar both ends 301, 302 Attachment part 301a, 301b Reinforcement rib 302a, 302b Reinforcement rib W Vehicle width direction

Claims (1)

車幅方向に延在する棒状であり、その両端を車体のストラット部に固定するストラットバーの取付構造において、
前記ストラットバーの両端を前記ストラット部に取り付ける取付部と前記ストラット部とで車体を構成する骨格部材を一体成型して前記車幅方向に位置する左右の構造体を構成し、前記ストラットバーの両端を、前記取付部に締結して前記左右の構造体に固定するとともに、前記左右の構造体を前記車体のキャビン部に結合するものであり、
前記左右の構造体は、前記キャビン部よりも車両前方に位置する車体前部の一部を構成し、
前記車体前部は、前記左右の構造体よりも車両前方に位置し、同構造体にアッパメンバ及びロアメンバが接合されたフロントメンバと、前記フロントメンバに連結されたバンパ取付けビームとを備え
前記左右の構造体に形成された取付部は、当該左右の構造体にそれぞれ互いに対向して成型された補強リブを兼ねていて、
前記補強リブ間に前記ストラットバーの端部を配置し、当該端部の内部に配置したナットにボルトを、前記補強リブに形成した取付孔と、前記ストラットバーの端部に形成した取付穴から挿入して締め込むことで締結することを特徴とするストラットバーの取付構造。
In the mounting structure of the strut bar which is a rod shape extending in the vehicle width direction and which fixes both ends to the strut portion of the vehicle body,
A skeleton member constituting a vehicle body is integrally formed with a mounting portion that attaches both ends of the strut bar to the strut portion and the strut portion to form left and right structures positioned in the vehicle width direction, and both ends of the strut bar are It is fixed to the left and right structures fastened to the mounting portion, which couples the right and left structures in the cabin portion of the vehicle body,
The left and right structures constitute a part of a front part of a vehicle body that is located in front of the vehicle with respect to the cabin part
The front portion of the vehicle body is located in front of the left and right structures, and includes a front member in which an upper member and a lower member are joined to the structure, and a bumper mounting beam connected to the front member ,
The mounting portions formed on the left and right structures also serve as reinforcing ribs molded to face each other on the left and right structures,
The end portion of the strut bar is disposed between the reinforcing ribs, and bolts are inserted into the nuts disposed inside the end portions from the mounting holes formed in the reinforcing ribs and the mounting holes formed in the end portions of the strut bar. Strut bar mounting structure characterized by fastening by tightening .
JP2009083223A 2009-03-30 2009-03-30 Strut bar mounting structure Expired - Fee Related JP5512993B2 (en)

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JP5512993B2 true JP5512993B2 (en) 2014-06-04

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JP2016106055A (en) * 2013-02-18 2016-06-16 本田技研工業株式会社 Dumper housing structure for vehicle
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