JP4060253B2 - Vehicle body structure - Google Patents

Vehicle body structure Download PDF

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Publication number
JP4060253B2
JP4060253B2 JP2003302125A JP2003302125A JP4060253B2 JP 4060253 B2 JP4060253 B2 JP 4060253B2 JP 2003302125 A JP2003302125 A JP 2003302125A JP 2003302125 A JP2003302125 A JP 2003302125A JP 4060253 B2 JP4060253 B2 JP 4060253B2
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Prior art keywords
dashboard
damper housing
body structure
vehicle
side wall
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JP2005067490A (en
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友芳 吉沢
哲也 五味
裕之 山下
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Honda Motor Co Ltd
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Honda Motor Co Ltd
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Description

本発明は、乗員室の前にフロントボデーを形成し、フロントボデー内の左右にダンパハウジングを形成した車両のボデー構造に関するものである。   The present invention relates to a vehicle body structure in which a front body is formed in front of a passenger compartment, and damper housings are formed on the left and right sides of the front body.

フロントボデー内の左右に形成したダンパハウジングは、前輪の懸架装置を連結するもので、懸架装置からの負荷に耐えるだけの剛性が必要である。ダンパハウジングの剛性を高める構造として、左右のダンパハウジングの間にバー部材や板材を渡したものがある。   The damper housings formed on the left and right sides of the front body are for connecting the suspension device of the front wheel and need to be rigid enough to withstand the load from the suspension device. As a structure for increasing the rigidity of the damper housing, there is a structure in which a bar member or a plate material is passed between the left and right damper housings.

従来のフロントボデーとして、左右のダンパハウジングのエンジン側の側壁間に板材を
渡した構造が知られている(例えば、特許文献1参照。)。
特開平11−129938号公報
As a conventional front body, a structure in which a plate material is passed between engine-side side walls of left and right damper housings is known (see, for example, Patent Document 1).
Japanese Patent Laid-Open No. 11-129938

図8は、特許文献1の図1の再掲図である。
特許文献1のエンジンルーム内カウルトップ前部構造は、車両20のエンジンルーム2内にストラットタワーハウジング4,4を設け、エンジンルーム2に遮熱部材21を車幅方向に延設するとともに、遮熱部材21の両側縁部21a,21aをストラットタワーハウジング4,4のエンジンルーム側側壁4a,4aに接合した構成で、遮熱部材21によって、遮音性を良好にしつつ、ストラットタワーハウジング4,4の内倒れ方向に対して高剛性を有する形状となり、車体の剛性を向上させることができる。
FIG. 8 is a reprint of FIG.
The cowl top front structure in the engine room of Patent Document 1 is provided with the strut tower housings 4 and 4 in the engine room 2 of the vehicle 20, and the heat shield member 21 extends in the vehicle width direction in the engine room 2 and is also shielded. The side edges 21a, 21a of the heat member 21 are joined to the engine room side walls 4a, 4a of the strut tower housings 4, 4, and the strut tower housings 4, 4 are improved in sound insulation by the heat insulation members 21. Therefore, the vehicle body can be improved in rigidity.

しかし、特許文献1のエンジンルーム内カウルトップ前部構造では、エンジンルーム2内に、ダッシュパネル2bから離して遮熱部材21を新たに設ける必要があり、構造が複雑になる。
また、遮熱部材21を取り付けるための作業を追加設定する必要があり、生産効率は低下する。
However, in the cowl top front structure in the engine room of Patent Document 1, it is necessary to newly provide the heat shield member 21 in the engine room 2 apart from the dash panel 2b, and the structure becomes complicated.
In addition, it is necessary to additionally set an operation for attaching the heat shield member 21, and the production efficiency is lowered.

本発明は、簡単な構造でダンパハウジングの剛性を高め、所望の遮音性を確保することを課題とする。   An object of the present invention is to increase the rigidity of a damper housing with a simple structure and to secure a desired sound insulation.

請求項1に係る発明は、乗員室の前壁をなすダッシュボードと、ダッシュボードの上に配置した車幅方向に伸びるウインドシールドロアと、乗員室の前に形成し、ダンパハウジングを備えたフロントボデーと、を備えた車両のボデー構造において、ウインドシールドロアは、断面U字形状で、底面部と、底面部に連なる前側面部からなるダッシュボードアッパを有し、ダンパハウジングは、ダッシュボードとは別体で且つ、上部を前側面部に固定した後側壁を備えたことを特徴とする。 The invention according to claim 1 includes a dashboard that forms a front wall of the passenger compartment, a windshield lower that is disposed on the dashboard and extends in the vehicle width direction, and is formed in front of the passenger compartment and includes a damper housing. In the vehicle body structure including the body, the windshield lower has a U-shaped cross section, has a bottom surface portion, and a dashboard upper portion including a front side surface portion connected to the bottom surface portion. Is a separate body and includes a rear side wall with the upper part fixed to the front side surface part .

請求項1に係る発明では、乗員室の前壁をなすダッシュボードと、ダッシュボードの上に配置した車幅方向に伸びるウインドシールドロアと、乗員室の前に形成し、ダンパハウジングを備えたフロントボデーと、を備えた車両のボデー構造において、ウインドシールドロアは、断面U字形状で、底面部と、底面部に連なる前側面部からなるダッシュボードアッパを有し、ダンパハウジングは、ダッシュボードとは別体で且つ、上部を前側面部に固定した後側壁を備えたので、後側壁によってダンパハウジングに加わる負荷はダッシュボードに伝わり、ダンパハウジングの剛性は高まる。
また、ダンパハウジングの上壁にサスペンションから負荷がかかると、上部によってウインドシールドロアに負荷を伝えることができ、ダンパハウジングが支持する力(応力)は小さくなる。つまり、ダンパハウジングの剛性を高めることができる。上部は、後側壁を加工する工程内で、同時に形成される。その結果、簡単な構造でダンパハウジングの剛性を高めることができ、結果的にボデー構造の剛性を高めることができるという利点がある。
In the invention according to claim 1, a dashboard that forms a front wall of the passenger compartment, a windshield lower that extends in the vehicle width direction disposed on the dashboard, and a damper housing that is formed in front of the passenger compartment and includes a damper housing In the vehicle body structure including the body, the windshield lower has a U-shaped cross section, has a bottom surface portion, and a dashboard upper portion including a front side surface portion connected to the bottom surface portion. Since the rear side wall is provided as a separate body and the upper part is fixed to the front side surface portion , the load applied to the damper housing by the rear side wall is transmitted to the dashboard, and the rigidity of the damper housing is increased.
Further, when a load is applied to the upper wall of the damper housing from the suspension, the load can be transmitted to the windshield lower by the upper portion, and the force (stress) supported by the damper housing is reduced. That is, the rigidity of the damper housing can be increased. The upper part is formed simultaneously in the process of processing the rear side wall. As a result, there is an advantage that the rigidity of the damper housing can be increased with a simple structure, and as a result, the rigidity of the body structure can be increased.

また、ダンパハウジングは、ダッシュボードとは別体で且つ、上部を断面U字形状のダッシュボードアッパに固定してるものであるから、断面U字形状の空間で遮音され、ダッシュボードに音が伝わり難く、所望の遮音性を確保できるという利点がある。

The damper housing is separate from the dashboard, and the upper part is fixed to the dashboard upper with a U-shaped cross section , so that the sound is insulated in the U-shaped space and the sound is transmitted to the dashboard. There is an advantage that desired sound insulation can be secured.

本発明を実施するための最良の形態を添付図に基づいて以下に説明する。なお、図面は符号の向きに見るものとする。
図1は、本発明の車両のボデー構造を用いた車両の左側面図であり、車両11は、ボデー12を備え、ボデー12は、前を形成するフロントボデー13と、フロントボデー13の後で乗員室14の床に相当するアンダボデー15と、アンダボデー15に連ね乗員室14の側部を形成するサイドボデー16と、サイドボデー16に開閉可能に取り付けたドア17,17と、フロントボデー13に開閉可能に取り付けたフード18と、を備える。21はウインドガラス、22はインストルメントパネル、23は前照灯、24はバンパ、25は前輪を示す。
The best mode for carrying out the present invention will be described below with reference to the accompanying drawings. The drawings are viewed in the direction of the reference numerals.
FIG. 1 is a left side view of a vehicle using the vehicle body structure of the present invention. The vehicle 11 includes a body 12, and the body 12 includes a front body 13 that forms a front, and a rear of the front body 13. An underbody 15 corresponding to the floor of the passenger compartment 14, a side body 16 that forms a side portion of the passenger compartment 14 connected to the underbody 15, doors 17 and 17 that are attached to the side body 16 so as to be openable and closable, and an opening and closing of the front body 13 And a hood 18 attached thereto. 21 is a wind glass, 22 is an instrument panel, 23 is a headlamp, 24 is a bumper, and 25 is a front wheel.

フロントボデー13は、サイドフレーム31と、サイドフレーム31に取り付けたホイルハウス32、ダンパハウジング33と、サイドフレーム31並びにホイルハウス32の前に取り付けたバルクヘッド34と、サイドフレーム31をアンダボデー15のダッシュボード42及びサイドボデー16のサイドシル35に一体的に取り付けるサイドアウトリガー36と、からなる。37はフロントフェンダ、38はエンジンルームを示す。   The front body 13 includes a side frame 31, a wheel house 32 attached to the side frame 31, a damper housing 33, a bulkhead 34 attached to the front of the side frame 31 and the wheel house 32, and the side frame 31 to the dash of the underbody 15. And a side outrigger 36 integrally attached to the side sill 35 of the board 42 and the side body 16. Reference numeral 37 denotes a front fender, and 38 denotes an engine room.

アンダボデー15は、フロアパン41と、フロアパン41の前に取り付けて乗員室14の前壁をなすダッシュボード42と、ダッシュボード42の上に配置した車幅方向(矢印aの方向)に伸びるウインドシールドロア43と、を備える。   The underbody 15 includes a floor pan 41, a dashboard 42 that is attached to the front of the floor pan 41 and forms the front wall of the passenger compartment 14, and a wind that extends on the dashboard 42 and extends in the vehicle width direction (direction of arrow a). And a shield lower 43.

図2は、本発明のボデー構造の斜視図であり、ボデー12のフロントボデー13と、フロントボデー13のサイドフレーム31,31と、サイドフレーム31,31に取り付けたホイルハウス32,32、ダンパハウジング33,33と、サイドフレーム31,31並びにホイルハウス32,32の前に取り付けたバルクヘッド34と、エンジンルーム38と、乗員室14の前壁をなすダッシュボード42と、ダッシュボード42の上に配置した車幅方向(矢印aの方向)に伸びるウインドシールドロア43と、を示す。   2 is a perspective view of the body structure of the present invention. The front body 13 of the body 12, the side frames 31, 31 of the front body 13, the wheel houses 32, 32 attached to the side frames 31, 31, and the damper housing are shown. 33, 33, the side frames 31, 31 and the bulkhead 34 attached in front of the wheel houses 32, 32, the engine room 38, the dashboard 42 forming the front wall of the passenger compartment 14, and the dashboard 42 A windshield lower 43 extending in the vehicle width direction (direction of arrow a) is shown.

ウインドシールドロア43は、左右端をサイドボデー16,16のフロントピラー45,45に取り付けてフロントピラー45,45を連結する部材で、ダッシュボードアッパ46を有する。ダッシュボードアッパ46は、断面U字形状で、底面部47と、底面部47に連なる前側面部48からなる。   The windshield lower 43 is a member that attaches the left and right ends to the front pillars 45, 45 of the side bodies 16, 16 and connects the front pillars 45, 45, and has a dashboard upper 46. The dashboard upper 46 has a U-shaped cross section and includes a bottom surface portion 47 and a front side surface portion 48 connected to the bottom surface portion 47.

ダンパハウジング33は、サスペンションの上端を支持するもので、サイドフレーム31及びホイルハウス32に前側壁51を取り付け、前側壁51及びサイドフレーム31に中央側壁52を取り付け、中央側壁52及びホイルハウス32に後側壁53を取り付けるとともに、ウインドシールドロア43及びダッシュボード42に後側壁53を取り付け
、前・中央・後側壁51,52,53の上端及びホイルハウス32に上壁54を取り付けた構成である。後で詳しく説明する。
The damper housing 33 supports the upper end of the suspension. The front side wall 51 is attached to the side frame 31 and the wheel house 32, the central side wall 52 is attached to the front side wall 51 and the side frame 31, and the central side wall 52 and the wheel house 32 are attached. The rear side wall 53 is attached, the rear side wall 53 is attached to the windshield lower 43 and the dashboard 42, and the upper wall 54 is attached to the upper ends of the front, center and rear side walls 51, 52, 53 and the wheel house 32. This will be described in detail later.

図3は、本発明のボデー構造の平面図であり、ウインドシールドロア43(図2参照)を外した状態を示す。
ダンパハウジング33は上述したように、前・中央・後側壁51,52,53と上壁54を一体的に形成し、ダッシュボード42に後側壁53を取り付けた構成である。
FIG. 3 is a plan view of the body structure of the present invention, showing a state in which the windshield lower 43 (see FIG. 2) is removed.
As described above, the damper housing 33 is configured such that the front, center, and rear side walls 51, 52, 53 and the upper wall 54 are integrally formed, and the rear side wall 53 is attached to the dashboard 42.

図4は、図2の4−4線断面図であり、ダンパハウジング33の断面を示す。
ダンパハウジング33は具体的には、後側壁53の上部55をウインドシールドロア43のダッシュボードアッパ46に取り付け、後側壁53の下部56及び後部57をダッシュボード42に取り付けた。61…(…は複数を示す。以下同様。)はスポット溶接のナゲットを示す。
つまり、ダンパハウジング33は、ダッシュボード42とは別体で且つ、上部55をウインドシールドロア43に固定した後側壁53を備えたことを特徴とする。
4 is a cross-sectional view taken along line 4-4 of FIG. 2 and shows a cross section of the damper housing 33. As shown in FIG.
Specifically, the damper housing 33 has an upper portion 55 of the rear side wall 53 attached to the dashboard upper 46 of the windshield lower 43 and a lower portion 56 and a rear portion 57 of the rear side wall 53 attached to the dashboard 42. 61 (... indicates a plurality, the same applies hereinafter) indicates a spot welding nugget.
In other words, the damper housing 33 has a rear side wall 53 that is separate from the dashboard 42 and has an upper portion 55 fixed to the windshield lower 43.

図5は、図3の5矢視図であり、ダンパハウジングの斜視図である。
後側壁53は、詳しくは、本体部64を壁部65と延長部66とで略くの字状に成形し、本体部64の上端に、ホイル側支持部67を有する上部55を形成し、本体部64のホイルハウス32側の端に溶接代71,71をホイルハウス32に溶接可能に形成し、ホイルハウス32側の端に当接部72をホイルハウス32に当接可能に形成し、本体部64の後端に下部56及び後部57をダッシュボード42に溶接可能に形成したものである。
FIG. 5 is a perspective view of the damper housing, as seen from the direction of arrow 5 in FIG. 3.
Specifically, the rear side wall 53 is formed by forming the main body portion 64 into a substantially square shape with the wall portion 65 and the extension portion 66, and forming an upper portion 55 having a foil side support portion 67 at the upper end of the main body portion 64, Welding allowances 71, 71 are formed on the end of the main body 64 on the wheel house 32 side so as to be weldable to the wheel house 32, and a contact part 72 is formed on the end of the wheel house 32 so as to be able to contact the wheel house 32 A lower portion 56 and a rear portion 57 are formed at the rear end of the main body portion 64 so as to be weldable to the dashboard 42.

後側壁53の上部55は、ホイル側支持部67を形成した形状で、このホイル側支持部67をホイルハウス32に一体的に固定することで、上部55の強度を高めることができ、より確実にダンパハウジング33に加わる負荷をウインドシールドロア43に伝えることができる。   The upper portion 55 of the rear side wall 53 has a shape in which a foil-side support portion 67 is formed, and the strength of the upper portion 55 can be increased by fixing the foil-side support portion 67 to the wheel house 32 in an integrated manner. The load applied to the damper housing 33 can be transmitted to the windshield lower 43.

なお、後側壁53の形状は、一例であり、形状は任意である。例えば、本体部64に凹凸や溝形状など本体部64の機械的性質の向上を図る部位を成形してもよい。   The shape of the rear side wall 53 is an example, and the shape is arbitrary. For example, a portion intended to improve the mechanical properties of the main body 64 such as unevenness and groove shape may be formed in the main body 64.

次に本発明の車両のボデー構造の作用を説明する。
図6は、本発明のボデー構造の作用図である。
本発明の車両のボデー12では、ダンパハウジング33は、後側壁53の上部55をウインドシールドロア43に固定したので、ダンパハウジング33の上壁54にサスペンション75から負荷がかかると、上部55によってウインドシールドロア43に負荷を矢印bのように伝えることができ、ダンパハウジング33が支持する力(応力)は小さくなる。つまり、ダンパハウジング33の剛性を高めることができる。
Next, the operation of the vehicle body structure of the present invention will be described.
FIG. 6 is an operation diagram of the body structure of the present invention.
In the vehicle body 12 of the present invention, the damper housing 33 has the upper portion 55 of the rear side wall 53 fixed to the windshield lower 43, so that when the load is applied to the upper wall 54 of the damper housing 33 from the suspension 75, the upper portion 55 winds it. The load can be transmitted to the shield lower 43 as shown by the arrow b, and the force (stress) supported by the damper housing 33 is reduced. That is, the rigidity of the damper housing 33 can be increased.

また、車両のボデー12では、ダンパハウジング33は、ダッシュボード42とは別体で且つ、上部55をウインドシールドロア43に固定した後側壁53を備えたので、ダンパハウジング33からの音がダッシュボード42に直接伝わらず、乗員室14内の騒音を低減することができ、所望の遮音性を確保することができる。   Further, in the vehicle body 12, the damper housing 33 is provided separately from the dashboard 42 and includes the rear side wall 53 in which the upper portion 55 is fixed to the windshield lower 43, so that the sound from the damper housing 33 is generated from the dashboard. The noise in the passenger compartment 14 can be reduced without being directly transmitted to the vehicle 42, and the desired sound insulation can be ensured.

後側壁53は、ウインドシールドロア43に連結する上部55を一体に形成した形状なので、上部55の形成に手間がかからず、結果的にダンパハウジング33の上部を固定するための部材の形成に手間がかからない。   Since the rear side wall 53 has a shape in which an upper part 55 connected to the windshield lower 43 is integrally formed, it takes less time to form the upper part 55, and as a result, a member for fixing the upper part of the damper housing 33 is formed. It does not take time and effort.

図7(a),(b)は、車両のボデー構造の比較図である。
(a)は、図8の7部を写したもので、従来のボデー構造を示し、ストラットタワーハウジング4は、ストラットタワーハウジング4の上を支持していない構成である。
(b)は、図2を写したもので、本発明のボデー構造のダンパハウジング33を示し、ダンパハウジング33は、上部55をウインドシールドロア43に固定した構成である。
従って、ダンパハウジング33の剛性を高めることができるという利点がある。
FIGS. 7A and 7B are comparative views of vehicle body structures.
FIG. 8A is a copy of part 7 in FIG. 8, showing a conventional body structure, and the strut tower housing 4 does not support the top of the strut tower housing 4.
FIG. 2B is a copy of FIG. 2 and shows a damper housing 33 having a body structure according to the present invention. The damper housing 33 has a configuration in which an upper portion 55 is fixed to a windshield lower 43.
Therefore, there is an advantage that the rigidity of the damper housing 33 can be increased.

尚、本発明の車両のボデー構造は、実施の形態では四輪車に適用したが、三輪車にも適用可能であり、一般の車両に適用することは差し支えない。   Although the vehicle body structure of the present invention is applied to a four-wheeled vehicle in the embodiment, it can also be applied to a three-wheeled vehicle and can be applied to a general vehicle.

本発明の車両のボデー構造は、四輪車に好適である。   The vehicle body structure of the present invention is suitable for a four-wheeled vehicle.

本発明の車両のボデー構造を用いた車両の左側面図Left side view of a vehicle using the vehicle body structure of the present invention 本発明のボデー構造の斜視図The perspective view of the body structure of this invention 本発明のボデー構造の平面図Plan view of the body structure of the present invention 図2の4−4線断面図Sectional view along line 4-4 in FIG. 図3の5矢視図5 arrow view of FIG. 本発明のボデー構造の作用図Action diagram of body structure of the present invention 車両のボデー構造の比較図Comparison of vehicle body structures 特許文献1の図1の再掲図Fig. 1 reprint of Patent Document 1

符号の説明Explanation of symbols

12…ボデー、13…フロントボデー、14…乗員室、33…ダンパハウジング、42…ダッシュボード、43…ウインドシールドロア、53…後側壁、55…後側壁の上部。   DESCRIPTION OF SYMBOLS 12 ... Body, 13 ... Front body, 14 ... Passenger room, 33 ... Damper housing, 42 ... Dashboard, 43 ... Windshield lower, 53 ... Rear side wall, 55 ... Upper part of rear side wall.

Claims (1)

乗員室の前壁をなすダッシュボードと、ダッシュボードの上に配置した車幅方向に伸びるウインドシールドロアと、乗員室の前に形成し、ダンパハウジングを備えたフロントボデーと、を備えた車両のボデー構造において、
前記ウインドシールドロアは、断面U字形状で、底面部と、底面部に連なる前側面部からなるダッシュボードアッパを有し、
前記ダンパハウジングは、ダッシュボードとは別体で且つ、上部を前記前側面部に固定した後側壁を備えたことを特徴とする車両のボデー構造。
A vehicle equipped with a dashboard that forms the front wall of the passenger compartment, a windshield lower that extends in the vehicle width direction disposed on the dashboard, and a front body that is formed in front of the passenger compartment and includes a damper housing In the body structure,
The windshield lower has a U-shaped cross section, and includes a bottom surface portion and a dashboard upper composed of a front side surface portion connected to the bottom surface portion,
The vehicle body structure according to claim 1, wherein the damper housing includes a rear side wall that is separate from the dashboard and has an upper portion fixed to the front side surface portion .
JP2003302125A 2003-08-26 2003-08-26 Vehicle body structure Expired - Fee Related JP4060253B2 (en)

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JP2005067490A JP2005067490A (en) 2005-03-17
JP4060253B2 true JP4060253B2 (en) 2008-03-12

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112014029463A2 (en) * 2012-05-29 2017-06-27 Honda Motor Co Ltd shock absorber housing structure body and manufacturing method of shock absorber housing structure

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