JP2022020170A - Front structure of vehicle - Google Patents

Front structure of vehicle Download PDF

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JP2022020170A
JP2022020170A JP2020123524A JP2020123524A JP2022020170A JP 2022020170 A JP2022020170 A JP 2022020170A JP 2020123524 A JP2020123524 A JP 2020123524A JP 2020123524 A JP2020123524 A JP 2020123524A JP 2022020170 A JP2022020170 A JP 2022020170A
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vehicle
load
transmission member
front pillar
load transmission
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JP7327309B2 (en
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稔 長谷川
Minoru Hasegawa
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Toyota Auto Body Co Ltd
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Toyota Auto Body Co Ltd
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Abstract

To make it possible to efficiently transmit a load, which is imposed on a root of a front pillar, to upper parts of suspension towers using compact load transmission members.SOLUTION: A front structure of a vehicle includes: a front pillar 145 that forms a window frame of a windshield of a vehicle compartment and supports a roof panel on both sides in a vehicle width direction; and left and right suspension towers 24 that receive a suspension load. A root 145k of the front pillar 145 is located at the same position as the suspension towers 24 in a vehicular fore-and-aft direction. Load transmission members 60 and 50 capable of transmitting the load are provided between the root 145k of the front pillar 145 and each of upper parts 24t of the suspension towers 24.SELECTED DRAWING: Figure 3

Description

本発明は、車室のフロントガラスの窓枠を構成しており、ルーフパネルを車幅方向両側で支持するフロントピラーと、サスペンション荷重を受ける左右のサスタワーとを備える車両の前部構造に関する。 The present invention relates to a front structure of a vehicle including a window frame of a windshield of a vehicle interior, front pillars that support roof panels on both sides in the vehicle width direction, and left and right suspension towers that receive suspension loads.

車両の前部構造に関する技術が特許文献１に記載されている。特許文献１に記載の車両はセダン型の車両である。前記車両のボディ１００は、図９に示すように、車室ＲとエンジンルームＥＲとが縦壁状のダッシュパネル１０１によって仕切られている。ダッシュパネル１０１の前側のエンジンルームＥＲには、左右両側にサスペンション荷重を受けるサスタワー１０３が設けられている。また、ダッシュパネル１０１の後側には、車室Ｒのフロントガラス１０４の窓枠を構成し、ルーフパネル（図示省略）を車幅方向両側で支持するフロントピラー１０６が設けられている。 Patent Document 1 describes a technique relating to the front structure of a vehicle. The vehicle described in Patent Document 1 is a sedan type vehicle. As shown in FIG. 9, in the body 100 of the vehicle, the vehicle interior R and the engine room ER are partitioned by a vertical wall-shaped dash panel 101. The engine room ER on the front side of the dash panel 101 is provided with suspension towers 103 that receive suspension loads on both the left and right sides. Further, on the rear side of the dash panel 101, front pillars 106 are provided which form a window frame of the windshield 104 of the vehicle interior R and support roof panels (not shown) on both sides in the vehicle width direction.

特許文献１に記載の車両の前部構造では、サスペンション荷重を受けるサスタワー１０３の上部の変形を抑えるために、サスタワー１０３の上部とフロントピラー１０６の根元部１０６ｋとを補強部材１０７で連結している。ここで、前記車両では、サスタワー１０３の上部とフロントピラー１０６の根元部１０６ｋとが車両前後方向に離れている。このため、補強部材１０７は、フロントピラー１０６の根元部１０６ｋから斜め直線的に延びる棒状に形成されている。これにより、前記補強部材１０７を介してサスタワー１０３の上部に加わるサスペンション荷重をフロントピラー１０６の根元部１０６ｋで受けられるようになる。同様に、フロントピラー１０６の根元部１０６ｋに加わる荷重をサスタワー１０３の上部で受けることも可能になる。 In the front structure of the vehicle described in Patent Document 1, the upper portion of the suspension tower 103 and the base portion 106k of the front pillar 106 are connected by a reinforcing member 107 in order to suppress deformation of the upper portion of the suspension tower 103 that receives the suspension load. .. Here, in the vehicle, the upper portion of the suspension tower 103 and the base portion 106k of the front pillar 106 are separated from each other in the front-rear direction of the vehicle. Therefore, the reinforcing member 107 is formed in a rod shape extending diagonally linearly from the root portion 106k of the front pillar 106. As a result, the suspension load applied to the upper part of the suspension tower 103 via the reinforcing member 107 can be received by the base portion 106k of the front pillar 106. Similarly, the load applied to the root portion 106k of the front pillar 106 can be received at the upper part of the suspension tower 103.

特許第２７６５２４９号公報Japanese Patent No. 2765249

特許文献１に記載の車両はセダン型の車両であるため、図９に示すように、フロントピラー１０６の根元部１０６ｋとサスタワー１０３の上部間の車両前後方向における距離が大きい。このため、フロントピラー１０６の根元部１０６ｋに加わる荷重を効率的にサスタワー１０３の上部に伝達するのが難しい。したがって、補強部材１０７の荷重伝達能力を向上させるためには、その補強部材１０７を大型化する必要がある。 Since the vehicle described in Patent Document 1 is a sedan type vehicle, as shown in FIG. 9, the distance between the base portion 106k of the front pillar 106 and the upper portion of the suspension tower 103 in the vehicle front-rear direction is large. Therefore, it is difficult to efficiently transmit the load applied to the base portion 106k of the front pillar 106 to the upper part of the suspension tower 103. Therefore, in order to improve the load transmission capacity of the reinforcing member 107, it is necessary to increase the size of the reinforcing member 107.

本発明は、上記問題点を解決するためになされたものであり、本発明が解決しようとする課題は、コンパクトな荷重伝達部材により、フロントピラーの根元部に加わる荷重をサスタワーの上部に効率的に伝達できるようにすることである。 The present invention has been made to solve the above problems, and the problem to be solved by the present invention is to efficiently apply the load applied to the base of the front pillar to the upper part of the suspension tower by the compact load transmission member. To be able to communicate to.

上記した課題は、各発明によって解決される。第１の発明は、車室のフロントガラスの窓枠を構成しており、ルーフパネルを車幅方向両側で支持するフロントピラーと、サスペンション荷重を受ける左右のサスタワーとを備える車両の前部構造であって、前記フロントピラーの根元部は、前記サスタワーと車両前後方向において同位置に配置されており、前記フロントピラーの根元部と前記サスタワーの上部間には、荷重の伝達が可能な荷重伝達部材が設けられている。 The above-mentioned problems are solved by each invention. The first invention constitutes a window frame of a windshield of a vehicle interior, and is a front structure of a vehicle including front pillars that support roof panels on both sides in the vehicle width direction and left and right suspension towers that receive suspension loads. The root of the front pillar is arranged at the same position as the suspension tower in the front-rear direction of the vehicle, and a load transmission member capable of transmitting a load between the base of the front pillar and the upper part of the suspension tower. Is provided.

本発明によると、フロントピラーの根元部とサスタワーの上部間には、荷重の伝達が可能な荷重伝達部材が設けられている。また、フロントピラーの根元部は、サスタワーと車両前後方向において同位置に配置されている。このため、フロントピラーの根元部とサスタワーの上部間の距離を従来と比較して小さくでき、荷重伝達部材をコンパクトにできるとともに、フロントピラーの根元部に加わる荷重をサスタワーの上部で効率的に受けられるようになる。 According to the present invention, a load transmission member capable of transmitting a load is provided between the base of the front pillar and the upper part of the suspension tower. In addition, the base of the front pillar is arranged at the same position as the suspension tower in the front-rear direction of the vehicle. For this reason, the distance between the base of the front pillar and the upper part of the suspension tower can be made smaller than before, the load transmission member can be made compact, and the load applied to the base of the front pillar can be efficiently received at the upper part of the suspension tower. Will be able to.

第２の発明によると、車両のエンジンルームの側壁を構成しており、サスタワーの車幅方向に外側に配置された側壁部材を有しており、荷重伝達部材は、前記サスタワーの上部に連結された下側荷重伝達部材と、前記側壁部材に収納されており、前記下側荷重伝達部材と前記フロントピラーの根元部間で荷重の伝達が可能な上側荷重伝達部材とから構成されている。このように、荷重伝達部材を構成する上側荷重伝達部材がエンジンルームの側壁を構成する側壁部材に収納されているため、荷重伝達部材の設置スペースをコンパクトにできる。 According to the second invention, the side wall of the engine room of the vehicle is formed, and the side wall member is arranged outside in the vehicle width direction of the suspension tower, and the load transmission member is connected to the upper part of the suspension tower. It is composed of a lower load transmitting member and an upper load transmitting member housed in the side wall member and capable of transmitting a load between the lower load transmitting member and the root portion of the front pillar. As described above, since the upper load transmission member constituting the load transmission member is housed in the side wall member constituting the side wall of the engine room, the installation space of the load transmission member can be made compact.

第３の発明によると、下側荷重伝達部材と上側荷重伝達部材とは、軸心が縦方向に延びる筒状に形成されている。このため、荷重伝達部材の上下方向における荷重伝達能力が向上する。 According to the third invention, the lower load transmission member and the upper load transmission member are formed in a cylindrical shape whose axial center extends in the vertical direction. Therefore, the load transmission capacity of the load transmission member in the vertical direction is improved.

第４の発明によると、フロントピラーの後側に配置されて、上端部がフロントピラーの上端部に接続されており、フロントドア開口部の上側前縁部を構成するとともに、前記フロントピラーと共に車両ボディの側面窓枠を構成している後側フロントピラーと、前記後側フロントピラーの根元部を支えた状態で、前記フロントドア開口部の下側前縁部を構成している下側支柱部と、前記車両の前方衝突荷重を前記後側フロントピラーの根元部と前記下側支柱部との接続位置まで伝達するホイールハウス上側フレームとを有している。即ち、後側フロントピラーと下側支柱部とにより車両の前方衝突荷重を受ける構成のため、フロントピラーに対して前方衝突荷重が直接的に加わらなくなり、フロントピラーを従来よりも軽量化できる。 According to the fourth invention, it is arranged behind the front pillar, the upper end portion is connected to the upper end portion of the front pillar, constitutes the upper front edge portion of the front door opening, and is a vehicle together with the front pillar. The lower front pillars that make up the side window frame of the body and the lower strut that make up the lower front edge of the front door opening while supporting the roots of the rear front pillars. And a wheel house upper frame that transmits the front collision load of the vehicle to the connection position between the base portion of the rear front pillar and the lower strut portion. That is, since the rear front pillar and the lower strut portion receive the front collision load of the vehicle, the front collision load is not directly applied to the front pillar, and the front pillar can be made lighter than before.

本発明によると、荷重伝達部材をコンパクトにできるとともに、フロントピラーの根元部に加わる荷重をサスタワーの上部で効率的に受けられるようになる。 According to the present invention, the load transmitting member can be made compact, and the load applied to the base of the front pillar can be efficiently received at the upper part of the suspension tower.

本発明の実施形態１に係る前部構造を備える車両を右前方から見た斜視図である。It is a perspective view which looked at the vehicle which provided the front structure which concerns on Embodiment 1 of this invention from the right front. 車両の前部構造（フロントドア、フェンダパネル等を取り除いた状態）を右外側から見た側面図である。It is a side view of the front structure of the vehicle (with the front door, fender panel, etc. removed) seen from the right outside. 車両の前部構造をエンジンルーム側（左側）から見た側面図である。It is a side view which looked at the front structure of a vehicle from the engine room side (left side). 車両の前部構造を車両前方から見た縦断面図（図３のIV-IV矢視断面図）である。It is a vertical cross-sectional view (IV-IV arrow cross-sectional view of FIG. 3) which looked at the front structure of a vehicle from the front of a vehicle. 車両の前部構造を車両前方から見た縦断面図（図３のV-V矢視断面図）である。It is a vertical cross-sectional view (VV arrow cross-sectional view of FIG. 3) which looked at the front structure of a vehicle from the front of a vehicle. 図３のVI矢視拡大図である。It is a VI arrow view enlarged view of FIG. 車両の前部構造を構成する上側荷重伝達部材の平断面図（図６のVII-VII矢視断面図）である。It is a plan sectional view (VII-VII arrow sectional view of FIG. 6) of the upper load transmission member constituting the front structure of a vehicle. 車両の前部構造を構成する下側荷重伝達部材の平断面図（図６のVIII-VIII矢視断面図）である。It is a plan sectional view (VIII-VIII arrow sectional view of FIG. 6) of the lower load transmission member constituting the front structure of a vehicle. 従来の車両の前部構造を表す斜視図である。It is a perspective view which shows the front structure of the conventional vehicle.

［実施形態１］
以下、図１から図８に基づいて本発明の実施形態１に係る車両の前部構造の説明を行なう。本実施形態に係る車両の前部構造は、フロントピラー１４５と後側フロントピラー１４３とが側面窓枠を構成している車両におけるフロントピラー１４５の根元部１４５ｋの補強構造に関するものである。ここで、図中に示す前後左右、及び上下は、前記車両の前後左右、及び上下に対応している。 [Embodiment 1]
Hereinafter, the front structure of the vehicle according to the first embodiment of the present invention will be described with reference to FIGS. 1 to 8. The front structure of the vehicle according to the present embodiment relates to a reinforcing structure of a base portion 145k of the front pillar 145 in a vehicle in which the front pillar 145 and the rear front pillar 143 form a side window frame. Here, the front-rear, left-right, and up-down shown in the figure correspond to the front-back, left-right, and up-down of the vehicle.

＜車両ボディ１０の前部の概要について＞
車両ボディ１０の車室Ｒの左右両側には、図１、図２に示すように、フロントドア１２により開閉されるフロントドア開口部１３が設けられている。ここで、車両ボディ１０は左右対称であり、図１～図６には、車両ボディ１０の右側のみを記載し、左側は省略されている。車室Ｒの床部の左右両端には、図２に示すように、車両前後方向に延びるロッカーレール１１が設けられており、それらのロッカーレール１１がフロントドア開口部１３の下辺部を構成している。ロッカーレール１１の前端部には、フロントドア開口部１３の下側前縁部を構成するフロント下側支柱部１４０が立設されている。そして、フロント下側支柱部１４０の上端の後部にフロントドア開口部１３の上側前縁部を構成する後側フロントピラー１４３の根元部１４３ｋが接続されている。また、フロント下側支柱部１４０の上端の前部には、フロントガラス１８の窓枠を構成するフロントピラー１４５の根元部１４５ｋが接続されている。 <Overview of the front part of the vehicle body 10>
As shown in FIGS. 1 and 2, front door openings 13 opened and closed by the front door 12 are provided on both left and right sides of the vehicle interior R of the vehicle body 10. Here, the vehicle body 10 is symmetrical, and in FIGS. 1 to 6, only the right side of the vehicle body 10 is shown, and the left side is omitted. As shown in FIG. 2, rocker rails 11 extending in the front-rear direction of the vehicle are provided at both left and right ends of the floor portion of the vehicle interior R, and these rocker rails 11 form the lower side portion of the front door opening 13. ing. At the front end of the rocker rail 11, a front lower support column 140 constituting a lower front edge of the front door opening 13 is erected. Then, the root portion 143k of the rear front pillar 143 forming the upper front edge portion of the front door opening 13 is connected to the rear portion of the upper end of the front lower support column portion 140. Further, a root portion 145k of the front pillar 145 constituting the window frame of the windshield 18 is connected to the front portion of the upper end of the front lower support column portion 140.

フロントピラー１４５の上端部と後側フロントピラー１４３の上端部とは、図１、図２に示すように、互いに接続されており、そのフロントピラー１４５と後側フロントピラー１４３とが車室Ｒの前部側面に固定される固定ガラス１４７の窓枠を構成している。また、左右のフロントピラー１４５、後側フロントピラー１４３によってルーフパネル１６の前部が支持されている。フロントピラー１４５、及び後側フロントピラー１４３を支えるフロント下側支柱部１４０の車両前側には、図２に示すように、前輪２０ｆ（図４参照）を車幅方向に収納するホイールハウス２０が形成されている。そして、ホイールハウス２０の上側にエンジンルームＥＲの側壁を構成するフレームであるアッパメンバ２７が設けられている。アッパメンバ２７は、図２に示すように、車両前後方向に延びるように設けられており、そのアッパメンバ２７の後端部が後側フロントピラー１４３の根元部とフロント下側支柱部１４０との接続位置に連結されている。 As shown in FIGS. 1 and 2, the upper end of the front pillar 145 and the upper end of the rear front pillar 143 are connected to each other, and the front pillar 145 and the rear front pillar 143 are connected to each other in the passenger compartment R. It constitutes a window frame of fixed glass 147 fixed to the front side surface. Further, the front portion of the roof panel 16 is supported by the left and right front pillars 145 and the rear front pillars 143. As shown in FIG. 2, a wheel house 20 for accommodating the front wheels 20f (see FIG. 4) in the vehicle width direction is formed on the vehicle front side of the front lower column portion 140 supporting the front pillar 145 and the rear front pillar 143. Has been done. An upper member 27, which is a frame constituting the side wall of the engine room ER, is provided on the upper side of the wheel house 20. As shown in FIG. 2, the upper member 27 is provided so as to extend in the front-rear direction of the vehicle, and the rear end portion of the upper member 27 is a connection position between the base portion of the rear front pillar 143 and the front lower support column portion 140. Is linked to.

フロントピラー１４５、後側フロントピラー１４３の根元部１４５ｋ，１４３ｋと、フロント下側支柱部１４０と、アッパメンバ２７とは、図１に示すように、フェンダパネル１５によって覆われている。そして、左右のフェンダパネル１５の間には、車両のエンジンルームＥＲを開閉可能に構成されたエンジンフード１７が設けられている。また、エンジンフード１７の後側でフロントピラー１４５とルーフパネル１６とによって囲まれた位置には、フロントガラス１８が設けられている。 As shown in FIG. 1, the front pillar 145, the root portions 145k and 143k of the rear front pillar 143, the front lower support column portion 140, and the upper member 27 are covered by the fender panel 15. An engine hood 17 configured to open and close the engine room ER of the vehicle is provided between the left and right fender panels 15. Further, a windshield 18 is provided at a position surrounded by the front pillar 145 and the roof panel 16 on the rear side of the engine hood 17.

車両のエンジンルームＥＲ内には、図４に示すように、左右両側位置に車両前後方向に延びるフロントサイドメンバ２１が設けられている。そして、左右のフロントサイドメンバ２１の車幅方向外側位置には、前輪２０ｆを収納する上記したホイールハウス２０が設けられている。ホイールハウス２０は、図２、図３（図２の反対側から見た側面図）、及び図４に示すように、前側のエプロンパネル２２と、そのエプロンパネル２２の後側のサスタワー２４とから構成されている。サスタワー２４は、上端位置にショックアブソーバ２４ｓの上端部が連結される天井部２４ｔを備えており、ショックアブソーバ２４ｓを介してサスペンション荷重を受けられるように構成されている。 As shown in FIG. 4, in the engine room ER of the vehicle, front side members 21 extending in the front-rear direction of the vehicle are provided at both left and right positions. The wheel house 20 for accommodating the front wheels 20f is provided at the outer positions of the left and right front side members 21 in the vehicle width direction. The wheel house 20 is formed from the apron panel 22 on the front side and the suspension tower 24 on the rear side of the apron panel 22 as shown in FIGS. 2, 3 (side view seen from the opposite side of FIG. 2), and FIG. It is configured. The suspension tower 24 is provided with a ceiling portion 24t to which the upper end portion of the shock absorber 24s is connected at the upper end position, and is configured to receive a suspension load via the shock absorber 24s.

そして、サスタワー２４の後端縁が、図３等に示すように、エンジンルームＥＲと車室Ｒとを仕切るダッシュパネル２５に接続されている。図３に示すように、サスタワー２４の天井部２４ｔとフロントピラー１４５の根元部１４５ｋとは、車両前後方向において同位置となるように位置決めされている。また、ホイールハウス２０（エプロンパネル２２、サスタワー２４）の車幅方向外側には、図４、図５に示すように、エンジンルームＥＲ内の上部縦壁部を構成するアッパメンバ２７が設けられている。そして、アッパメンバ２７が上記したようにフェンダパネル１５に覆われている。 Then, as shown in FIG. 3 and the like, the rear end edge of the suspension tower 24 is connected to the dash panel 25 that separates the engine room ER and the vehicle interior R. As shown in FIG. 3, the ceiling portion 24t of the suspension tower 24 and the root portion 145k of the front pillar 145 are positioned so as to be in the same position in the front-rear direction of the vehicle. Further, as shown in FIGS. 4 and 5, an upper member 27 constituting an upper vertical wall portion in the engine room ER is provided on the outer side of the wheel house 20 (apron panel 22, suspension tower 24) in the vehicle width direction. .. Then, the upper member 27 is covered with the fender panel 15 as described above.

＜アッパメンバ２７について＞
アッパメンバ２７は、図４に示すように、車幅方向外側のアウタパネル２７１と、車幅方向内側の上部インナパネル２７２、及び下部インナパネル２７３とから車両前後方向に延びる筒状に形成されている。即ち、アッパメンバ２７には、アウタパネル２７１の上端フランジ部２７１ｕと上部インナパネル２７２の上端フランジ部２７２ｕが接続され、アウタパネル２７１の中央部と上部インナパネル２７２の下端フランジ部２７２ｄとが接続されることで、上部空間Ｓ１が形成される。また、アッパメンバ２７には、アウタパネル２７１の下端フランジ部２７１ｄと下部インナパネル２７３の下端フランジ部２７３ｄが接続され、下部インナパネル２７３の上端フランジ部２７３ｕが上部インナパネル２７２の下部側面に接続されることで、下部空間Ｓ２が形成される。そして、前記下部空間Ｓ２が断面Ｚ字形の補強パネル２７４によって上下に仕切られることで、アッパメンバ２７の下部が補強されている。 <About upper member 27>
As shown in FIG. 4, the upper member 27 is formed in a cylindrical shape extending in the vehicle front-rear direction from the outer panel 271 on the outer side in the vehicle width direction, the upper inner panel 272 on the inner side in the vehicle width direction, and the lower inner panel 273. That is, the upper end flange portion 271u of the outer panel 271 and the upper end flange portion 272u of the upper inner panel 272 are connected to the upper member 27, and the central portion of the outer panel 271 and the lower end flange portion 272d of the upper inner panel 272 are connected. , The upper space S1 is formed. Further, the lower end flange portion 271d of the outer panel 271 and the lower end flange portion 273d of the lower inner panel 273 are connected to the upper member 27, and the upper end flange portion 273u of the lower inner panel 273 is connected to the lower side surface of the upper inner panel 272. Then, the lower space S2 is formed. The lower part of the upper member 27 is reinforced by partitioning the lower space S2 into upper and lower parts by a reinforcing panel 274 having a Z-shaped cross section.

アッパメンバ２７には、図２、図３に示すように、フロントピラー１４５の根元部１４５ｋの前下方で、サスタワー２４の天井部２４ｔの前上方に排水穴２７１ｈが形成されている。排水穴２７１ｈは、車幅方向に延びる溝状のカウルフロントパネル２８（図３等二点鎖線参照）に接続されている。これにより、フロントガラス１８の表面に沿って流下する雨水がカウルフロントパネル２８に受けられ、カウルフロントパネル２８によって車両右側と車両左側とに導かれる。そして、カウルフロントパネル２８によって車両両端部に導かれた雨水が前記排水穴２７１ｈによってアッパメンバ２７の外側に排出される。 As shown in FIGS. 2 and 3, the upper member 27 has a drainage hole 271h formed in the front lower part of the base portion 145k of the front pillar 145 and in the front upper part of the ceiling portion 24t of the suspension tower 24. The drainage hole 271h is connected to a groove-shaped cowl front panel 28 (see a two-dot chain line such as FIG. 3) extending in the vehicle width direction. As a result, rainwater flowing down along the surface of the windshield 18 is received by the cowl front panel 28, and is guided to the right side of the vehicle and the left side of the vehicle by the cowl front panel 28. Then, the rainwater guided to both ends of the vehicle by the cowl front panel 28 is discharged to the outside of the upper member 27 by the drain holes 271h.

＜フロントピラー１４５の根元部１４５ｋの補強構造（車両の前部構造）について＞
フロントピラー１４５の根元部１４５ｋとサスタワー２４の天井部２４ｔとは、上記したように、車両前後方向において同位置となるように配置されている。そして、フロントピラー１４５の根元部１４５ｋとサスタワー２４の天井部２４ｔとの間には、図３～図６に示すように、アッパメンバ２７の排水穴２７１ｈの後側位置に上側荷重伝達部材６０と下側荷重伝達部材５０とが設置されている。上側荷重伝達部材６０と下側荷重伝達部材５０とは、車両の前方衝突時にフロントピラー１４５の根元部１４５ｋに加わる荷重Ｆｆ（後記する）をサスタワー２４の天井部２４ｔに伝達するための部材である。ここで、図３、図６では、アッパメンバ２７を構成する上部インナパネル２７２と下部インナパネル２７３等は省略されている。 <Regarding the reinforcement structure (front structure of the vehicle) at the base of the front pillar 145>
As described above, the base portion 145k of the front pillar 145 and the ceiling portion 24t of the suspension tower 24 are arranged so as to be in the same position in the front-rear direction of the vehicle. Then, between the base portion 145k of the front pillar 145 and the ceiling portion 24t of the suspension tower 24, as shown in FIGS. A side load transmission member 50 is installed. The upper load transmission member 60 and the lower load transmission member 50 are members for transmitting the load Ff (described later) applied to the base portion 145k of the front pillar 145 to the ceiling portion 24t of the suspension tower 24 at the time of a frontal collision of the vehicle. .. Here, in FIGS. 3 and 6, the upper inner panel 272 and the lower inner panel 273 and the like constituting the upper member 27 are omitted.

＜上側荷重伝達部材６０について＞
上側荷重伝達部材６０は、フロントピラー１４５の根元部１４５ｋから受けた荷重Ｆｆをアッパメンバ２７に伝達し、アッパメンバ２７を介して下側荷重伝達部材５０に伝える部材である。上側荷重伝達部材６０は、図４、図５に示すように、アッパメンバ２７の上部空間Ｓ１内に収納されている。上側荷重伝達部材６０は、図６等に示すように、上下方向に延びる突条状に形成されており、その上側荷重伝達部材６０の上部がフロントピラー１４５の根元部１４５ｋに固定されている。上側荷重伝達部材６０は、図５に示すように、略山形に形成された前縦壁部６３、及び後縦壁部６４と、図６、及び図７（図６の平断面図）に示すように、前後の縦壁部６３，６４をつなぐ傾斜壁部６２とにより、平断面形状が略Ｕ字形に形成されている。 <About the upper load transmission member 60>
The upper load transmission member 60 is a member that transmits the load Ff received from the root portion 145k of the front pillar 145 to the upper member 27 and transmits it to the lower load transmission member 50 via the upper member 27. As shown in FIGS. 4 and 5, the upper load transmitting member 60 is housed in the upper space S1 of the upper member 27. As shown in FIG. 6 and the like, the upper load transmission member 60 is formed in a ridge shape extending in the vertical direction, and the upper portion of the upper load transmission member 60 is fixed to the root portion 145k of the front pillar 145. As shown in FIG. 5, the upper load transmitting member 60 has a front vertical wall portion 63 and a rear vertical wall portion 64 formed in a substantially chevron shape, and is shown in FIGS. 6 and 7 (planar cross-sectional view of FIG. 6). As described above, the flat cross-sectional shape is formed into a substantially U-shape by the inclined wall portions 62 connecting the front and rear vertical wall portions 63 and 64.

上側荷重伝達部材６０には、図５、図６に示すように、前後の縦壁部５３，５４の左端縁にそれぞれ縦フランジ部６０ｆが折り曲げ形成されている。そして、上側荷重伝達部材６０の縦フランジ部６０ｆが、図５に示すように、アッパメンバ２７のアウタパネル２７１の内壁面に固定されている。また、上側荷重伝達部材６０の傾斜壁部６２は、図４に示すように、前縦壁部６３の形状に合わせて略山形に形成されており、その傾斜壁部６２における山の頂部分（下部）がアッパメンバ２７の上部インナパネル２７２の内壁面に固定されている。そして、上側荷重伝達部材６０がアッパメンバ２７のアウタパネル２７１の内壁面に固定された状態で、上側荷重伝達部材６０は軸心が上下方向に延びる筒状に形成される。 As shown in FIGS. 5 and 6, the upper load transmitting member 60 is formed by bending a vertical flange portion 60f at the left end edges of the front and rear vertical wall portions 53 and 54, respectively. Then, as shown in FIG. 5, the vertical flange portion 60f of the upper load transmission member 60 is fixed to the inner wall surface of the outer panel 271 of the upper member 27. Further, as shown in FIG. 4, the inclined wall portion 62 of the upper load transmitting member 60 is formed in a substantially chevron shape in accordance with the shape of the front vertical wall portion 63, and the mountain top portion (mountain top portion) in the inclined wall portion 62. The lower part) is fixed to the inner wall surface of the upper inner panel 272 of the upper member 27. Then, in a state where the upper load transmission member 60 is fixed to the inner wall surface of the outer panel 271 of the upper member 27, the upper load transmission member 60 is formed in a cylindrical shape in which the axis extends in the vertical direction.

＜下側荷重伝達部材５０について＞
下側荷重伝達部材５０は、アッパメンバ２７を介して上側荷重伝達部材６０から受けた荷重をサスタワー２４の天井部２４ｔに伝達する部材である。下側荷重伝達部材５０は、図４、図５に示すように、アッパメンバ２７の上部インナパネル２７２、及び下部インナパネル２７３の縦壁面とサスタワー２４の天井部２４ｔとのコーナー部に設置されている。下側荷重伝達部材５０は、図５に示すように、台形状の前縦壁部５３、及び後縦壁部５４と、図６、及び図８に示すように、前後の縦壁部５３，５４をつなぐ傾斜壁部５２とにより、平断面形状が略Ｕ字形に形成されている。そして、前後の縦壁部５３，５４と傾斜壁部５２との上端に形成された上部開口が天井壁部５５によって塞がれている。即ち、下側荷重伝達部材５０は、前後の縦壁部５３，５４、傾斜壁部５２、及び天井壁部５５により略角錐台形に成形されている。 <About the lower load transmission member 50>
The lower load transmission member 50 is a member that transmits the load received from the upper load transmission member 60 via the upper member 27 to the ceiling portion 24t of the suspension tower 24. As shown in FIGS. 4 and 5, the lower load transmitting member 50 is installed at the corner of the upper inner panel 272 of the upper member 27 and the vertical wall surface of the lower inner panel 273 and the ceiling portion 24t of the suspension tower 24. .. As shown in FIG. 5, the lower load transmitting member 50 has a trapezoidal front vertical wall portion 53 and a rear vertical wall portion 54, and as shown in FIGS. 6 and 8, the front and rear vertical wall portions 53, The plank cross-sectional shape is formed into a substantially U shape by the inclined wall portion 52 connecting the 54. The upper opening formed at the upper ends of the front and rear vertical wall portions 53 and 54 and the inclined wall portion 52 is closed by the ceiling wall portion 55. That is, the lower load transmitting member 50 is formed into a substantially pyramidal trapezoidal shape by the front and rear vertical wall portions 53, 54, the inclined wall portion 52, and the ceiling wall portion 55.

下側荷重伝達部材５０には、図５、及び図６に示すように、前後の縦壁部５３，５４の左端縁と天井壁部５５の左端縁とに連続した周縁縦フランジ部５０ｆが折り曲げ形成されている。そして、下側荷重伝達部材５０の周縁縦フランジ部５０ｆが、図４、図５に示すように、アッパメンバ２７の上部インナパネル２７２、及び下部インナパネル２７３の縦壁面に固定される。下側荷重伝達部材５０の周縁縦フランジ部５０ｆがアッパメンバ２７の上部インナパネル２７２、及び下部インナパネル２７３の縦壁面に固定された状態で、下側荷重伝達部材５０は軸心が上下方向に延びる筒状に形成される。ここで、図４、及び図６に示すように、下側荷重伝達部材５０の周縁縦フランジ部５０ｆの上端部は、アッパメンバ２７の上部インナパネル２７２を介して上側荷重伝達部材６０の傾斜壁部６２における山の頂部分と連結される。 As shown in FIGS. 5 and 6, the lower load transmitting member 50 is bent by a peripheral vertical flange portion 50f continuous with the left end edge of the front and rear vertical wall portions 53, 54 and the left end edge of the ceiling wall portion 55. It is formed. Then, as shown in FIGS. 4 and 5, the peripheral vertical flange portion 50f of the lower load transmission member 50 is fixed to the vertical wall surface of the upper inner panel 272 and the lower inner panel 273 of the upper member 27. In a state where the peripheral vertical flange portion 50f of the lower load transmission member 50 is fixed to the vertical wall surface of the upper inner panel 272 of the upper member 27 and the lower inner panel 273, the axis of the lower load transmission member 50 extends in the vertical direction. It is formed in a tubular shape. Here, as shown in FIGS. 4 and 6, the upper end portion of the peripheral vertical flange portion 50f of the lower load transmission member 50 is the inclined wall portion of the upper load transmission member 60 via the upper inner panel 272 of the upper member 27. It is connected to the top of the mountain at 62.

下側荷重伝達部材５０には、図５、及び図６に示すように、前後の縦壁部５３，５４の下端縁に縦フランジ部５３ｄが形成されており、傾斜壁部５２の下端縁に水平フランジ部５２ｆが形成されている。そして、下側荷重伝達部材５０の縦フランジ部５３ｄが、図５に示すように、サスタワー２４の天井部２４ｔの側面に固定され、水平フランジ部５２ｆがサスタワー２４の天井部２４ｔの上面に固定される。これにより、車両の前方衝突時にフロントピラー１４５の根元部１４５ｋに加わった荷重Ｆｆを上側荷重伝達部材６０、アッパメンバ２７、及び下側荷重伝達部材５０を介してサスタワー２４の天井部２４ｔで受けられるようになる。 As shown in FIGS. 5 and 6, the lower load transmitting member 50 has a vertical flange portion 53d formed on the lower end edge of the front and rear vertical wall portions 53, 54, and is formed on the lower end edge of the inclined wall portion 52. The horizontal flange portion 52f is formed. Then, as shown in FIG. 5, the vertical flange portion 53d of the lower load transmission member 50 is fixed to the side surface of the ceiling portion 24t of the suspension tower 24, and the horizontal flange portion 52f is fixed to the upper surface of the ceiling portion 24t of the suspension tower 24. To. As a result, the load Ff applied to the base portion 145k of the front pillar 145 at the time of a frontal collision of the vehicle can be received by the ceiling portion 24t of the suspension tower 24 via the upper load transmission member 60, the upper member 27, and the lower load transmission member 50. become.

＜フロントピラー１４５の根元部１４５ｋの補強構造の働きについて＞
車両が前方衝突すると、図２に示すように、衝突荷重Ｆｂ（黒矢印参照）は、フロントサイドメンバ２１、及びロッカーレール１１等で受けられて後方に伝達される。また、衝突荷重Ｆｂは、アッパメンバ２７等で受けられてフロント下側支柱部１４０と後側フロントピラー１４３の根元部１４３ｋとの接続部分から後側フロントピラー１４３によって後方に伝達される。また、車両が前方衝突することによる慣性力で車両後部が持ち上がり、前記慣性力に起因する荷重Ｆｆ（白矢印参照）がルーフパネル１６等を介して前方のフロントピラー１４５に伝わる。これにより、フロントピラー１４５の根元部１４５ｋには、前記慣性力に起因する荷重Ｆｆが集中的に加わるようになる。 <About the function of the reinforcement structure at the base of the front pillar 145>
When the vehicle collides forward, as shown in FIG. 2, the collision load Fb (see the black arrow) is received by the front side member 21, the rocker rail 11, and the like and transmitted to the rear. Further, the collision load Fb is received by the upper member 27 or the like and transmitted rearward by the rear front pillar 143 from the connection portion between the front lower support column 140 and the root portion 143k of the rear front pillar 143. Further, the rear part of the vehicle is lifted by the inertial force caused by the front collision of the vehicle, and the load Ff (see the white arrow) caused by the inertial force is transmitted to the front front pillar 145 via the roof panel 16 and the like. As a result, the load Ff caused by the inertial force is intensively applied to the root portion 145k of the front pillar 145.

前述のように、フロントピラー１４５の根元部１４５ｋとサスタワー２４の天井部２４ｔとは、車両前後方向において同位置となるように配置されている。そして、フロントピラー１４５の根元部１４５ｋとサスタワー２４の天井部２４ｔとの間には、図３～図６に示すように、アッパメンバ２７の排水穴２７１ｈの後側位置に上側荷重伝達部材６０と下側荷重伝達部材５０とが設置されている。上側荷重伝達部材６０と下側荷重伝達部材５０とは、車両の前方衝突時にフロントピラー１４５の根元部１４５ｋに加わる荷重Ｆｆをサスタワー２４の天井部２４ｔに伝達できるように構成されている。即ち、フロントピラー１４５の根元部１４５ｋは、上側荷重伝達部材６０と下側荷重伝達部材５０を介してサスタワー２４の天井部２４ｔによって支えられている。これにより、フロントピラー１４５の根元部１４５ｋに対して荷重Ｆｆが加わっても、フロントピラー１４５が変形し難くなる。この結果、後側フロントピラー１４３の根元部１４３ｋが前方に曲がるような変形を抑制できる。 As described above, the base portion 145k of the front pillar 145 and the ceiling portion 24t of the suspension tower 24 are arranged so as to be in the same position in the front-rear direction of the vehicle. Then, between the base portion 145k of the front pillar 145 and the ceiling portion 24t of the suspension tower 24, as shown in FIGS. A side load transmission member 50 is installed. The upper load transmission member 60 and the lower load transmission member 50 are configured to be able to transmit the load Ff applied to the base portion 145k of the front pillar 145 to the ceiling portion 24t of the suspension tower 24 at the time of a frontal collision of the vehicle. That is, the root portion 145k of the front pillar 145 is supported by the ceiling portion 24t of the suspension tower 24 via the upper load transmission member 60 and the lower load transmission member 50. As a result, even if a load Ff is applied to the root portion 145k of the front pillar 145, the front pillar 145 is less likely to be deformed. As a result, it is possible to suppress deformation such that the root portion 143k of the rear front pillar 143 bends forward.

さらに、後側フロントピラー１４３とフロント下側支柱部１４０とにより車両の前方衝突荷重Ｆｂを受ける構成のため、フロントピラー１４５に対して前方衝突荷重Ｆｂが直接的に加わらなくなる。このため、フロントピラー１４５の軽量化が可能になる。 Further, since the rear front pillar 143 and the front lower support column 140 receive the front collision load Fb of the vehicle, the front collision load Fb is not directly applied to the front pillar 145. Therefore, the weight of the front pillar 145 can be reduced.

＜本実施形態で使用した用語と本発明の用語との対応＞
本実施形態におけるサスタワー２４の天井部２４ｔが本発明のサスタワーの上部に相当する。また、アッパメンバ２７が本発明の側壁部材、及びホイールハウス上側フレームに相当する。さらに、フロント下側支柱部１４０が本発明の下側支柱部に相当する。 <Correspondence between the terms used in the present embodiment and the terms of the present invention>
The ceiling portion 24t of the suspension tower 24 in the present embodiment corresponds to the upper part of the suspension tower of the present invention. Further, the upper member 27 corresponds to the side wall member of the present invention and the upper frame of the wheel house. Further, the front lower strut portion 140 corresponds to the lower strut portion of the present invention.

＜本実施形態に係る車両の前部構造の長所について＞
本実施形態に係る車両の前部構造によると、フロントピラー１４５の根元部１４５ｋとサスタワー２４の天井部２４ｔ（上部）間には、荷重の伝達が可能な上側荷重伝達部材６０、下側荷重伝達部材５０が設けられている。また、フロントピラー１４５の根元部１４５ｋは、サスタワー２４と車両前後方向において同位置に配置されている。このため、フロントピラー１４５の根元部１４５ｋとサスタワー２４の天井部２４ｔ間の距離を従来と比較して小さくでき、上側荷重伝達部材６０、下側荷重伝達部材５０をコンパクトにできるとともに、フロントピラー１４５の根元部１４５ｋに加わる荷重Ｆｆをサスタワー２４の天井部２４ｔで効率的に受けられるようになる。 <Advantages of the front structure of the vehicle according to this embodiment>
According to the front structure of the vehicle according to the present embodiment, between the root portion 145k of the front pillar 145 and the ceiling portion 24t (upper part) of the suspension tower 24, an upper load transmission member 60 capable of transmitting a load and a lower load transmission A member 50 is provided. Further, the base portion 145k of the front pillar 145 is arranged at the same position as the suspension tower 24 in the front-rear direction of the vehicle. Therefore, the distance between the base portion 145k of the front pillar 145 and the ceiling portion 24t of the suspension tower 24 can be reduced as compared with the conventional case, the upper load transmission member 60 and the lower load transmission member 50 can be made compact, and the front pillar 145 can be made compact. The load Ff applied to the base portion 145k of the suspension tower 24 can be efficiently received by the ceiling portion 24t of the suspension tower 24.

また、上側荷重伝達部材６０がエンジンルームＥＲの側壁を構成するアッパメンバ２７（側壁部材）に収納されているため、上側荷重伝達部材６０、下側荷重伝達部材５０の設置スペースをコンパクト化できる。また、下側荷重伝達部材５０と上側荷重伝達部材６０とは、軸心が縦方向に延びる筒状に形成されているため、荷重伝達部材の上下方向における荷重伝達能力が向上する。また、後側フロントピラー１４３とフロント下側支柱部１４０（下側支柱部）とにより車両の前方衝突荷重Ｆｂを受ける構成のため、フロントピラー１４５に対して前方衝突荷重Ｆｂが直接的に加わらなくなり、フロントピラー１４５を従来よりも軽量化できる。 Further, since the upper load transmission member 60 is housed in the upper member 27 (side wall member) constituting the side wall of the engine room ER, the installation space of the upper load transmission member 60 and the lower load transmission member 50 can be made compact. Further, since the lower load transmission member 50 and the upper load transmission member 60 are formed in a cylindrical shape whose axial center extends in the vertical direction, the load transmission capacity of the load transmission member in the vertical direction is improved. Further, since the rear front pillar 143 and the front lower strut portion 140 (lower strut portion) receive the front collision load Fb of the vehicle, the front collision load Fb is not directly applied to the front pillar 145. , The front pillar 145 can be made lighter than before.

＜変更例＞
なお、本発明は上記実施形態に限定されるものではなく、本発明の要旨を逸脱しない範囲における変更が可能である。例えば、本実施形態では、フロントピラー１４５の根元部１４５ｋとサスタワー２４の天井部２４ｔ（上部）間に上側荷重伝達部材６０と下側荷重伝達部材５０とを設ける例を示した。しかし、上側荷重伝達部材６０と下側荷重伝達部材５０とを一体化することも可能である。また、本実施形態では、上側荷重伝達部材６０と下側荷重伝達部材５０とを平断面形状略Ｕ字形に形成し、アッパメンバ２７に固定することで角筒状にする例を示した。しかし、上側荷重伝達部材６０と下側荷重伝達部材５０とを角筒状、あるいは箱形に成形することも可能である。 <Change example>
The present invention is not limited to the above embodiment, and changes can be made without departing from the gist of the present invention. For example, in the present embodiment, an example is shown in which an upper load transmission member 60 and a lower load transmission member 50 are provided between the root portion 145k of the front pillar 145 and the ceiling portion 24t (upper part) of the suspension tower 24. However, it is also possible to integrate the upper load transmission member 60 and the lower load transmission member 50. Further, in the present embodiment, an example is shown in which the upper load transmitting member 60 and the lower load transmitting member 50 are formed into a substantially U-shaped plank cross section and fixed to the upper member 27 to form a square cylinder. However, it is also possible to form the upper load transmission member 60 and the lower load transmission member 50 into a square cylinder or a box shape.

１８・・・・フロントガラス
２４・・・・サスタワー
２４ｔ・・・天井部（上部）
２７・・・・アッパメンバ（側壁部材、ホイールハウス上側フレーム）
５０・・・・下側荷重伝達部材
６０・・・・上側荷重伝達部材
１４０・・・フロント下側支柱部（下側支柱部）
１４３・・・後側フロントピラー
１４３ｋ・・根元部
１４５・・・フロントピラー
１４５ｋ・・根元部
ＥＲ・・・・エンジンルーム
18 ... Windshield 24 ... Suspension tower 24t ... Ceiling (upper)
27 ... Upper member (side wall member, upper frame of wheel house)
50 ... Lower load transmission member 60 ... Upper load transmission member 140 ... Front lower strut (lower strut)
143 ... Rear front pillar 143k ... Root 145 ... Front pillar 145k ... Root ER ... Engine room

Claims (4)

車室のフロントガラスの窓枠を構成しており、ルーフパネルを車幅方向両側で支持するフロントピラーと、サスペンション荷重を受ける左右のサスタワーとを備える車両の前部構造であって、
前記フロントピラーの根元部は、前記サスタワーと車両前後方向において同位置に配置されており、
前記フロントピラーの根元部と前記サスタワーの上部間には、荷重の伝達が可能な荷重伝達部材が設けられている車両の前部構造。 It is the front structure of the vehicle that constitutes the window frame of the windshield of the vehicle interior and has front pillars that support the roof panel on both sides in the vehicle width direction and left and right suspension towers that receive suspension load.
The base of the front pillar is arranged at the same position as the suspension tower in the front-rear direction of the vehicle.
A front structure of a vehicle in which a load transmission member capable of transmitting a load is provided between the base of the front pillar and the upper part of the suspension tower. 請求項１に記載された車両の前部構造であって、
前記車両のエンジンルームの側壁を構成しており、前記サスタワーの車幅方向に外側に配置された側壁部材を有しており、
前記荷重伝達部材は、前記サスタワーの上部に連結された下側荷重伝達部材と、前記側壁部材に収納されており、前記下側荷重伝達部材と前記フロントピラーの根元部間で荷重の伝達が可能な上側荷重伝達部材とから構成されている車両の前部構造。 The front structure of the vehicle according to claim 1.
It constitutes a side wall of the engine room of the vehicle, and has a side wall member arranged outside in the vehicle width direction of the suspension tower.
The load transmission member is housed in the lower load transmission member connected to the upper part of the suspension tower and the side wall member, and the load can be transmitted between the lower load transmission member and the root portion of the front pillar. The front structure of the vehicle, which is composed of the upper load transmission member. 請求項２に記載された車両の前部構造であって、
前記下側荷重伝達部材と前記上側荷重伝達部材とは、軸心が縦方向に延びる筒状に形成されている車両の前部構造。 The front structure of the vehicle according to claim 2.
The lower load transmission member and the upper load transmission member are front structures of a vehicle formed in a cylindrical shape having an axial center extending in the vertical direction. 請求項１から請求項３のいずれかに記載された車両の前部構造であって、
前記フロントピラーの後側に配置されて、上端部が前記フロントピラーの上端部に接続されており、フロントドア開口部の上側前縁部を構成するとともに、前記フロントピラーと共に車両ボディの側面窓枠を構成している後側フロントピラーと、
前記後側フロントピラーの根元部を支えた状態で、前記フロントドア開口部の下側前縁部を構成している下側支柱部と、
前記車両の前方衝突荷重を前記後側フロントピラーの根元部と前記下側支柱部との接続位置まで伝達するホイールハウス上側フレームとを有している車両の前部構造。
The front structure of the vehicle according to any one of claims 1 to 3.
Arranged on the rear side of the front pillar, the upper end portion is connected to the upper end portion of the front pillar, constitutes the upper front edge portion of the front door opening, and together with the front pillar, the side window frame of the vehicle body. The rear front pillars that make up the
With the base of the rear front pillar supported, the lower strut portion constituting the lower front edge of the front door opening and the lower strut portion.
A front structure of a vehicle having a wheel house upper frame that transmits the front collision load of the vehicle to a connection position between the base portion of the rear front pillar and the lower strut portion.
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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