JP4286796B2 - Car body floor panel - Google Patents

Car body floor panel Download PDF

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Publication number
JP4286796B2
JP4286796B2 JP2005057080A JP2005057080A JP4286796B2 JP 4286796 B2 JP4286796 B2 JP 4286796B2 JP 2005057080 A JP2005057080 A JP 2005057080A JP 2005057080 A JP2005057080 A JP 2005057080A JP 4286796 B2 JP4286796 B2 JP 4286796B2
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floor
floor panel
reinforcing member
floor tunnel
vehicle body
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JP2006240415A (en
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秀明 伊藤
泰之 芝田
義徳 田口
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Honda Motor Co Ltd
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Honda Motor Co Ltd
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Priority to US11/364,161 priority patent/US7380874B2/en
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Description

本発明は、車体のフロアパネルに関するものである。   The present invention relates to a vehicle floor panel.

車幅方向中央部にて前後方向に延在するフロアトンネルを設けると共に、前部座席の下方にてフロアトンネルと交差して車幅方向に延在する膨出部を設け、フロアトンネルと膨出部とで十文字をなす凸部を形成した車体フロアパネルを本出願人は既に提案している（特許文献１を参照されたい）。   A floor tunnel extending in the front-rear direction is provided at the center in the vehicle width direction, and a bulging portion extending in the vehicle width direction is provided below the front seat and extends in the vehicle width direction. The present applicant has already proposed a vehicle body floor panel in which a convex part that forms a cross with the part is formed (see Patent Document 1).

このフロアパネルの構成は、一枚の鋼板に十文字の凸部をプレス成形することによってフロアパネルの剛性を確保しようというものであるが、フロアトンネル上にシフトレバーを設ける場合、フロアトンネル自体の肉厚だけではシフトレバー操作の剛性感を十分に高めることができないので、フロアトンネルのシフトレバー支持ベースの固定部を補強する必要があった。
特開２００２−３０２０７１号 This floor panel is designed to ensure the rigidity of the floor panel by pressing a cross-shaped protrusion on a sheet of steel, but when a shift lever is provided on the floor tunnel, The thickness alone cannot sufficiently enhance the rigidity of the shift lever operation, so it was necessary to reinforce the fixed part of the shift lever support base of the floor tunnel.
JP 2002-302071 A

フロアトンネルに対するシフトレバー支持ベースの取り付け剛性を高めるには、シフトレバー支持ベースの固定部に適宜な板厚の補強板をスポット溶接するだけで十分ではあるが、単にフロアトンネルにおけるシフトレバー支持ベースの固定部を高剛性化するだけのために製造工数を増大させることは、極めて不経済である。   In order to increase the mounting rigidity of the shift lever support base to the floor tunnel, it is sufficient to spot weld a reinforcing plate of an appropriate thickness to the fixed part of the shift lever support base. It is extremely uneconomical to increase the number of manufacturing steps only to increase the rigidity of the fixed part.

本発明は、このような不都合に鑑み案出されたものであり、その主な目的は、製造効率を低下させずにシフトレバー支持ベースの固定部の剛性を高めることができるように構成された車体のフロアパネルを提供することにある。   The present invention has been devised in view of such inconveniences, and its main object is to increase the rigidity of the fixing portion of the shift lever support base without reducing the production efficiency. The object is to provide a floor panel for the car body.

このような目的を果たすために、本発明による車体のフロアパネルは、車幅方向中央部にて車体の前後方向に延在するフロアトンネル２と、該フロアトンネルと交差して車幅方向に延在する膨出部３とで略十文字をなす凸部が形成されると共に、前記フロアトンネル上にシフトレバー支持ベース１３が固設される車体のフロアパネル１において、前記膨出部における前記フロアトンネルで分断された左右の各前壁３ｆｗに沿う左側部分７ｌ及び右側部分７ｒと、これら左側部分及び右側部分を前記フロアトンネルと重なる位置で連結する中間部分７ｃとを有する補強部材７が車幅方向に延設し、前記シフトレバー支持ベースの前端部は前記第１補強部材の前記中間部分と共通のボルトＢ１を用いて前記フロアトンネルに共締めで結合され、当該シフトレバー支持ベースの後端部は前記フロアトンネルの剛性を高めるために一段高くされた突出部２ｈの頂面にボルトＢ２を用いて結合されている。 In order to achieve such an object, the floor panel of the vehicle body according to the present invention has a floor tunnel 2 extending in the front-rear direction of the vehicle body at the center in the vehicle width direction, and extends in the vehicle width direction across the floor tunnel. In the floor panel 1 of the vehicle body in which a convex portion that is substantially cross-shaped with the existing bulging portion 3 is formed and a shift lever support base 13 is fixed on the floor tunnel, the floor tunnel in the bulging portion A reinforcing member 7 having a left side portion 7l and a right side portion 7r along the left and right front walls 3fw separated by a right and a middle portion 7c connecting the left side portion and the right side portion at a position overlapping the floor tunnel is a vehicle width direction. by extending the front end portion of the shift lever supporting base are combined in a co-fastening to the floor tunnel using the intermediate portion and the common bolt B1 of the first reinforcing member, those The rear end portion of the shift lever support base is coupled with the bolt B2 to the top surface of the stage the raised projecting portion 2h in order to increase the rigidity of the floor tunnel.

このような本発明による車体のフロアパネルの構成によれば、補強部材における中間部分は、シフトレバー支持ベースと共にフロアトンネルに結合されるので、フロアパネルに補強部材をスポット溶接する際の溶接打点を増大することなく、シフトレバー支持ベースの結合剛性を高めるための中間部分のフロアトンネルに対する接合強度を高めることができる。また、補強部材の左右端をサイドシルに接続すれば、膨出部の前壁との間に閉断面部が形成されてクロスメンバとしての機能を発揮し、フロア剛性の増強を高効率に達成することができる。 According to the configuration of the floor panel of the vehicle body according to the present invention, since the intermediate portion of the reinforcing member is coupled to the floor tunnel together with the shift lever support base, the welding spot when spot welding the reinforcing member to the floor panel is provided. Without increasing, it is possible to increase the bonding strength of the intermediate portion to the floor tunnel for increasing the coupling rigidity of the shift lever support base. In addition, if the left and right ends of the reinforcing member are connected to the side sill, a closed cross-section is formed between the front wall of the bulging portion and the function as a cross member is exhibited, and the floor rigidity is enhanced with high efficiency. be able to.

以下に添付の図面を参照して本発明について詳細に説明する。   Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

図１及び図２は、本発明に基づき構成されたフロアパネルを示している。このフロアパネル１は、図１における左手前側の端縁１Ｆにフロントダッシュボード（図示せず）が結合され、図１における右奥側の端縁１Ｒに荷室の床と一体をなすミッドクロスメンバ（図示せず）が結合され、右手前側および左奥側の側端縁１Ｓｒ・１Ｓｌにサイドシル（図示せず）が結合され、車室の前後方向中間部の床を塞ぐものである。   1 and 2 show a floor panel constructed according to the present invention. This floor panel 1 has a front dashboard (not shown) coupled to an edge 1F on the left front side in FIG. 1, and a mid-cross member integrated with the floor of the cargo compartment on an edge 1R on the right back side in FIG. (Not shown) are connected, and side sills (not shown) are connected to the side edge 1Sr and 1Sl on the right front side and the left back side to block the floor in the middle part in the front-rear direction of the passenger compartment.

フロアパネル１は、比較的薄い鋼板をプレス成形してなり、ビードや凹凸を形成することにより、鋼板を薄肉化したことによる平面部の剛性低下を補っている。   The floor panel 1 is formed by press-forming a relatively thin steel plate, and compensates for a reduction in the rigidity of the flat surface due to the thin steel plate by forming beads and irregularities.

フロアパネル１における車幅方向の中央部には、前後方向についての曲げ剛性を高めるために、断面形状が略台形をなし、室内側に突出したフロアトンネル２が前後方向に延設されている。そしてフロアトンネル２の前寄りの位置には、左右方向についての曲げ剛性を高めるために、フロアトンネル２と直交して車幅方向に延在する膨出部３が、室内側に突出して形成されている。なお、膨出部３には、その下方に配設される燃料タンクのメインテナンスのために、通常はボルト締めされたリッドＬで塞がれるアクセス孔Ｈが開設されている。   In the center portion of the floor panel 1 in the vehicle width direction, in order to increase the bending rigidity in the front-rear direction, the cross-sectional shape is substantially trapezoidal, and a floor tunnel 2 that protrudes indoors extends in the front-rear direction. In addition, a bulging portion 3 extending in the vehicle width direction perpendicular to the floor tunnel 2 is formed at the front side of the floor tunnel 2 so as to protrude in the room in order to increase the bending rigidity in the left-right direction. ing. The bulging portion 3 is provided with an access hole H that is normally closed by a bolted lid L for maintenance of a fuel tank disposed below the bulging portion 3.

膨出部３は、図３に併せて示すように、フロントシート４側の床面の一部をなす前部水平部１ｆｈから前壁３ｆｗが立ち上げられ、前壁３ｆｗの上端から後方へ延出された後に傾斜面３ｉｃでリアシート５側の床面をなす後部水平部１ｒｈに接続されている。   As shown in FIG. 3, the bulging portion 3 has a front wall 3 fw that rises from a front horizontal portion 1 fh that forms part of the floor surface on the front seat 4 side, and extends rearward from the upper end of the front wall 3 fw. After being taken out, the inclined surface 3ic is connected to the rear horizontal portion 1rh forming the floor surface on the rear seat 5 side.

傾斜面３ｉｃの下面における後端側には、断面形状が溝形をなす後部補強部材６が、その前後縁のフランジをスポット溶接にて結合されている。これにより、車幅方向に延在する閉断面部が、傾斜面３ｉｃの後端側の下面に形成されている。   On the rear end side of the lower surface of the inclined surface 3ic, a rear reinforcing member 6 whose cross-sectional shape forms a groove shape is joined to the front and rear edge flanges by spot welding. Thereby, the closed cross-sectional part extended in the vehicle width direction is formed in the lower surface of the rear end side of the inclined surface 3ic.

フロアトンネル２で分断された膨出部３の左右各前壁３ｆｗの前面（室内側の面）には、断面形状が階段状をなす左側部分７ｌ及び右側部分７ｒと、これら左側部分７ｌ及び右側部分７ｒをフロアトンネル２の上面（室内側の面）と重なる位置で連結する中間部分７ｃとからなる第１補強部材７が、フロアパネル１、膨出部３の左右各前壁３ｆｗ及び頂壁３ｔに重ねて要所をスポット溶接された上で、車幅方向に延設されている。この第１補強部材７は、その左右各端をフロアパネル１の側端縁１Ｓｒ・１Ｓｌ（サイドシルの結合部）に接続させており、これにより、膨出部３の左右各前壁３ｆｗの前面と左側部分７ｌ及び右側部分７ｒとの間に車幅方向に延在する閉断面部が形成されると同時に、中間部分７ｃを始めとした板の重なり合う部分によって厚肉化されている。このようにして、特に膨出部３の前壁３ｆｗの剛性が高められることにより、膨出部３の頂壁３ｔに燃料タンクのメインテナンス用アクセス孔Ｈを開けたことによる膨出部３の剛性低下が好適に補強される。   On the front surfaces (interior surfaces) of the left and right front walls 3fw of the bulging portion 3 divided by the floor tunnel 2, a left side portion 7l and a right side portion 7r having a stepped cross section, and a left side portion 7l and a right side The first reinforcing member 7 including the intermediate portion 7c that connects the portion 7r at a position overlapping the upper surface (inner side surface) of the floor tunnel 2 is the floor panel 1, the left and right front walls 3fw and the top wall of the bulging portion 3. It is extended in the vehicle width direction after spot-welding the important points in 3t. The first reinforcing member 7 has its left and right ends connected to the side edges 1Sr and 1Sl (side sill joints) of the floor panel 1, whereby the front surface of the left and right front walls 3 fw of the bulging portion 3. A closed cross section extending in the vehicle width direction is formed between the left portion 7l and the right portion 7r, and at the same time, it is thickened by overlapping portions of the plate including the intermediate portion 7c. In this way, particularly the rigidity of the front wall 3 fw of the bulging portion 3 is enhanced, so that the rigidity of the bulging portion 3 due to the opening of the maintenance access hole H of the fuel tank in the top wall 3 t of the bulging portion 3 is increased. The drop is suitably reinforced.

フロアトンネル２で分断された左右の各前壁３ｆｗ同士間は、フロアトンネル２の内側を車幅方向に沿って仕切る第２補強部材８によって連結されている。この第２補強部材８には、フロアパネル１における第１補強部材７の接合部の下面に重なる左右への延伸部８ｌ・８ｒが設けられており、第２補強部材８、フロアパネル１、及び第１補強部材７の互いに重なり合う部分がスポット溶接で結合されている（図５中の×印がスポット溶接の打点を示す）。この第２補強部材８を結合することにより、フロアトンネル２が開くことが抑えられ、特に、左右への延伸部８ｌ・８ｒが重なり合う部分によって厚肉化され、左右のサイドシル間が強固に連結されてフロアパネル１の剛性が高効率に増強される。   The left and right front walls 3fw divided by the floor tunnel 2 are connected by a second reinforcing member 8 that partitions the inside of the floor tunnel 2 along the vehicle width direction. The second reinforcing member 8 is provided with left and right extending portions 8l and 8r that overlap the lower surface of the joint portion of the first reinforcing member 7 in the floor panel 1, and the second reinforcing member 8, the floor panel 1, and The overlapping portions of the first reinforcing member 7 are joined by spot welding (the x mark in FIG. 5 indicates the spot welding spot). By connecting the second reinforcing member 8, the floor tunnel 2 is prevented from opening. In particular, the left and right side sills are firmly connected to each other by being thickened by the overlapping portions of the left and right extending portions 8 l and 8 r. Thus, the rigidity of the floor panel 1 is enhanced with high efficiency.

膨出部５によってフロアパネル１の下面に画成された下向きに凹となる空間は、燃料タンク１０の設置場所として利用される。そしてフロアパネル１の下面における燃料タンク１０の左右両側部には、前後方向に沿って側部補強部材１１ｌ・１１ｒが延設されており、フロアパネル１の下面における燃料タンク１０の後方に車幅方向に延設された後部補強部材６と、フロアトンネル２内に車幅方向に延設された第２補強部材８と、フロアパネル１の上面におけるフロントシート４の下方に車幅方向に延設された第１補強部材７とが、燃料タンク１０の周囲を取り囲むように配置されている。   A downwardly concave space defined on the lower surface of the floor panel 1 by the bulging portion 5 is used as an installation place of the fuel tank 10. Side reinforcement members 11l and 11r are extended along the front-rear direction on the left and right sides of the fuel tank 10 on the lower surface of the floor panel 1, and the vehicle width is located behind the fuel tank 10 on the lower surface of the floor panel 1. A rear reinforcing member 6 extending in the direction, a second reinforcing member 8 extending in the vehicle width direction in the floor tunnel 2, and extending in the vehicle width direction below the front seat 4 on the upper surface of the floor panel 1. The first reinforcing member 7 is disposed so as to surround the fuel tank 10.

これらにより、燃料タンク１０の搭載部は勿論のこと、フロントシート４の搭載部の剛性を、燃料タンク１０の設置空間に影響を及ぼさないことはもとより、前席および後席に着座した乗員の足下を狭くすることなく十分に高めることができるので、前面衝突時におけるフロントシート４の位置の変化が抑制され、シートベルト及びエアバッグの効果を乗員が最大に受けられるようになる。即ち、本発明によれば、フロア剛性の増強を高効率に達成し、乗員損害値の低減を企図することができる。   As a result, the rigidity of the mounting portion of the front seat 4 as well as the mounting portion of the fuel tank 10 does not affect the installation space of the fuel tank 10, and the feet of passengers seated in the front seat and the rear seat Therefore, the change in the position of the front seat 4 at the time of a frontal collision is suppressed, and the occupant can receive the maximum effect of the seat belt and the airbag. That is, according to the present invention, it is possible to increase the floor rigidity with high efficiency and to reduce the passenger damage value.

フロアトンネル２における左右のフロントシート４で挟まれる位置には、図５・６に示すように、例えばアルミニウム合金のダイキャスト成形から成るシフトレバー支持ベース１３が結合される。シフトレバー支持ベース１３の前端部は、第１補強部材７の中間部分７ｃと共通のボルトＢ１を用いてフロアトンネル２に共締めで結合され、また後端部は、フロアトンネル２の剛性をより一層高めるために一段高くされた突出部２ｈの頂面にボルトＢ２を用いて結合される。   As shown in FIGS. 5 and 6, a shift lever support base 13 made of, for example, an aluminum alloy die-cast is coupled to the floor tunnel 2 between the left and right front seats 4. The front end portion of the shift lever support base 13 is coupled to the floor tunnel 2 by using a common bolt B1 with the intermediate portion 7c of the first reinforcing member 7, and the rear end portion further increases the rigidity of the floor tunnel 2. In order to make it higher, it is connected to the top surface of the protruding portion 2h which is raised by one step using a bolt B2.

このようにして、第１補強部材７における中間部分７ｃは、シフトレバー支持ベース１３と共締めでフロアトンネル２に結合されるので、フロアパネル１に第１補強部材７をスポット溶接する際の溶接打点を増大することなく、シフトレバー支持ベース１３の結合剛性を高めるための中間部分７ｃのフロアトンネル１に対する接合強度を高めることができる。   In this way, the intermediate portion 7c of the first reinforcing member 7 is coupled to the floor tunnel 2 together with the shift lever support base 13, so that welding when spot welding the first reinforcing member 7 to the floor panel 1 is performed. Without increasing the hitting point, it is possible to increase the bonding strength of the intermediate portion 7c for increasing the coupling rigidity of the shift lever support base 13 to the floor tunnel 1.

本発明によるフロアパネルの上面の全体斜視図である。It is a whole perspective view of the upper surface of the floor panel by this invention. 本発明によるフロアパネルの下面の全体斜視図である。It is a whole perspective view of the lower surface of the floor panel by this invention. フロアパネルを左座席の搭載部で車体前後方向に沿って切断した概略側断面図である。It is the schematic sectional side view which cut | disconnected the floor panel along the vehicle body front-back direction in the mounting part of the left seat. フロアパネルを車体前後方向中心線に沿って切断した概略側断面図である。It is a schematic sectional side view which cut | disconnected the floor panel along the vehicle body front-back direction centerline. フロアトンネルのシフトレバー支持ベースの結合部を示す要部斜視図である。It is a principal part perspective view which shows the coupling | bond part of the shift lever support base of a floor tunnel. シフトレバー支持ベースの結合部を車体前後方向中心線に沿って切断した概略側断面図である。It is the schematic sectional side view which cut | disconnected the connection part of the shift lever support base along the vehicle body front-back direction centerline.

符号の説明Explanation of symbols

１ フロアパネル
２ フロアトンネル
３ 膨出部
７ 第１補強部材
７ｌ 左側部分
７ｒ 右側部分
７ｃ 中間部分
１３ シフトレバー支持ベース DESCRIPTION OF SYMBOLS 1 Floor panel 2 Floor tunnel 3 The bulging part 7 1st reinforcement member 7l Left side part 7r Right side part 7c Middle part 13 Shift lever support base

Claims (4)

車幅方向中央部にて車体の前後方向に延在するフロアトンネルと、該フロアトンネルと交差して車幅方向に延在する膨出部とで略十文字をなす凸部が形成されると共に、前記フロアトンネル上にシフトレバー支持ベースが固設される車体のフロアパネルであって、
前記膨出部における前記フロアトンネルで分断された左右の各前壁に沿う左側部分及び右側部分と、これら左側部分と右側部分とを前記フロアトンネルと重なる位置で連結する中間部分とを有する第１補強部材が車幅方向に延設し、
前記シフトレバー支持ベースの前端部は前記第１補強部材の前記中間部分と共通のボルトを用いて前記フロアトンネルに共締めで結合され、当該シフトレバー支持ベースの後端部は前記フロアトンネルの剛性を高めるために一段高くされた突出部の頂面にボルトを用いて結合されていることを特徴とする車体のフロアパネル。 A convex portion is formed which is formed by a floor tunnel extending in the front-rear direction of the vehicle body at the center in the vehicle width direction and a bulging portion that intersects the floor tunnel and extends in the vehicle width direction. A floor panel of a vehicle body on which a shift lever support base is fixed on the floor tunnel,
A first portion having a left side portion and a right side portion along left and right front walls separated by the floor tunnel in the bulging portion, and an intermediate portion connecting the left side portion and the right side portion at a position overlapping the floor tunnel . the reinforcing member is extended in the vehicle width direction,
A front end portion of the shift lever support base is coupled to the floor tunnel by fastening using a bolt common to the intermediate portion of the first reinforcing member, and a rear end portion of the shift lever support base is rigid of the floor tunnel. The floor panel of the vehicle body is characterized in that it is joined to the top surface of the projecting portion raised to a higher level using bolts . 前記シフトレバー支持ベースはアルミニウム合金のダイキャスト成形品により構成されていることを特徴とする請求項１に記載の車体のフロアパネル。The floor panel of a vehicle body according to claim 1, wherein the shift lever support base is made of an aluminum alloy die cast product. 前記フロアトンネルによって分断された前記膨出部の左右の前壁同士が前記フロアトンネルの内側を車幅方向に延在する第２補強部材によって連結されていることを特徴とする請求項１または２に記載の車体のフロアパネル。 The left and right front walls of the bulging portion divided by the floor tunnel are connected by a second reinforcing member extending in the vehicle width direction inside the floor tunnel. The vehicle body floor panel described in 1. 前記第２補強部材には前記フロアパネルにおける前記第１補強部材の接合部の下面に重なる左右への延伸部が設けられており、前記第２補強部材と前記フロアパネルと前記第１補強部材が互いに重なり合う部分がスポット溶接によって結合されていることを特徴とする請求項３に記載の車体のフロアパネル。  The second reinforcing member is provided with a left and right extending portion that overlaps a lower surface of a joint portion of the first reinforcing member in the floor panel, and the second reinforcing member, the floor panel, and the first reinforcing member are provided. The floor panel of a vehicle body according to claim 3, wherein the overlapping portions are joined by spot welding.
JP2005057080A 2005-03-02 2005-03-02 Car body floor panel Expired - Fee Related JP4286796B2 (en)

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JP2005057080A JP4286796B2 (en) 2005-03-02 2005-03-02 Car body floor panel
CN200610057758A CN100577493C (en) 2005-03-02 2006-02-27 Automobile floor component
US11/364,161 US7380874B2 (en) 2005-03-02 2006-02-28 Automotive floor panel assembly

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JP6016075B2 (en) * 2012-06-06 2016-10-26 スズキ株式会社 Floor structure at the center of the car body
CN103895508A (en) * 2012-12-27 2014-07-02 重庆长安汽车股份有限公司 Gearshift mounting plate and gearshift mounting structure
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JP6922625B2 (en) * 2017-09-29 2021-08-18 スズキ株式会社 Support structure of shift device
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CN111591355A (en) * 2020-06-12 2020-08-28 合肥长安汽车有限公司 Laser tailor-welded automobile front floor structure

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