JP5061941B2 - Vehicle battery mounting structure - Google Patents

Vehicle battery mounting structure Download PDF

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Publication number
JP5061941B2
JP5061941B2 JP2008036564A JP2008036564A JP5061941B2 JP 5061941 B2 JP5061941 B2 JP 5061941B2 JP 2008036564 A JP2008036564 A JP 2008036564A JP 2008036564 A JP2008036564 A JP 2008036564A JP 5061941 B2 JP5061941 B2 JP 5061941B2
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vehicle
battery
width direction
vehicle width
mounting structure
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JP2009193942A (en
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眞一 又野
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Nissan Motor Co Ltd
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Nissan Motor Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
    • B60K2001/0422—Arrangement under the front seats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
    • B60K2001/0433—Arrangement under the rear seats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
    • B60K2001/0438—Arrangement under the floor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2306/00—Other features of vehicle sub-units
    • B60Y2306/01—Reducing damages in case of crash, e.g. by improving battery protection

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Battery Mounting, Suspending (AREA)

Description

本発明は、車両のバッテリ搭載構造に関する。   The present invention relates to a battery mounting structure for a vehicle.

従来、複数のバッテリをバッテリフレームを用いて搭載するようにした車両のバッテリ搭載構造が知られている（特許文献１）。   Conventionally, a vehicle battery mounting structure in which a plurality of batteries are mounted using a battery frame is known (Patent Document 1).

特許文献１では、グリッド状に縦横に延びる部材によって９個の小室が形成され、この小室の各々に小型のバッテリを収容して搭載してある。
特開平９−２７２４００号公報 In Patent Document 1, nine small chambers are formed by members extending vertically and horizontally in a grid shape, and a small battery is accommodated and mounted in each of the small chambers.
Japanese Patent Laid-Open No. 9-272400

しかしながら、上記従来の構造では、縦横に延びる部材の数が多い分、バッテリフレームが重くなる上、バッテリを収容するスペースが小さくなってバッテリ容量を確保し難くなるという問題があった。   However, the conventional structure has a problem that the battery frame becomes heavier due to the large number of members extending vertically and horizontally, and the space for housing the battery is reduced, making it difficult to secure the battery capacity.

そこで、本発明は、より軽量でありかつバッテリ容量を確保しやすい車両のバッテリ搭載構造を得ることを目的とする。   Therefore, an object of the present invention is to obtain a vehicle battery mounting structure that is lighter and easily secures battery capacity.

本発明にあっては、バッテリフレームの外枠部材によって囲まれる矩形領域を、Ｔ字部材によって三つの分割矩形領域に区分し、分割矩形領域のそれぞれにバッテリを搭載したことを最も主要な特徴とする。   In the present invention, the most important feature is that the rectangular area surrounded by the outer frame member of the battery frame is divided into three divided rectangular areas by a T-shaped member, and a battery is mounted in each of the divided rectangular areas. To do.

本発明によれば、従来構造に比べてバッテリフレームをより軽量に構成できる上、個々の分割矩形領域をより大きく確保できて、バッテリ容量を増大することができる。   According to the present invention, the battery frame can be configured to be lighter than that of the conventional structure, and the individual divided rectangular areas can be secured larger, and the battery capacity can be increased.

以下、本発明の実施形態について図面を参照しながら詳細に説明する。図１は、本発明の一実施形態にかかる車両のバッテリ搭載構造の側面図、図２は、車両のバッテリ搭載構造を上方から見た平面図、図３は、バッテリフレームおよびバッテリの分解斜視図、図４は、図２のIV−IV断面図である。なお、各図中、ＦＲは車両前後方向前方、ＵＰは車両上方、ＷＤは車幅方向を示すものとする。   Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. 1 is a side view of a vehicle battery mounting structure according to an embodiment of the present invention, FIG. 2 is a plan view of the vehicle battery mounting structure as viewed from above, and FIG. 3 is an exploded perspective view of the battery frame and the battery. 4 is a cross-sectional view taken along the line IV-IV in FIG. In each figure, FR represents the vehicle front-rear direction front, UP represents the vehicle upper direction, and WD represents the vehicle width direction.

図１に示すように、本実施形態にかかる車両１では、車室２の床下に複数（本実施形態では三つ）のバッテリ３を搭載してある。なお、車両１は、複数のバッテリ３を搭載するものであればよく、車輪駆動用のモータを有する電気自動車や、車輪駆動用のモータとエンジンとを有するハイブリッド自動車、燃料電池を有する電気自動車等として構成することができる。   As shown in FIG. 1, in the vehicle 1 according to the present embodiment, a plurality of (three in the present embodiment) batteries 3 are mounted under the floor of the passenger compartment 2. The vehicle 1 only needs to be equipped with a plurality of batteries 3, such as an electric vehicle having a wheel driving motor, a hybrid vehicle having a wheel driving motor and an engine, and an electric vehicle having a fuel cell. Can be configured.

図１，図２に示すように、車両１の前後方向中央部で車室２の下方となる部分には、車体骨格部材として、車幅方向両側で車両前後方向に沿って延設される一対のサイドメンバ４，４と、これら一対のサイドメンバ４，４の前端部とフロアトンネル部３０との間で車幅方向に沿って架設されるクロスメンバ５Ｒ，５Ｒと、を設けてある。また、サイドメンバ４とサイドシル６（図２，図４にはサイドシルインナのみ図示）との間には、車両前後方向に沿って複数箇所（本実施形態では三箇所）にアウトリガー７が配置されている。本実施形態では、サイドメンバ４、クロスメンバ５Ｒ、およびサイドシル６は、いずれも閉断面を有する中空部材として構成してある。   As shown in FIGS. 1 and 2, a pair of vehicle body skeleton members that extend along the vehicle front-rear direction on both sides in the vehicle width direction are provided at the lower part of the vehicle compartment 2 at the center in the front-rear direction of the vehicle 1. Side members 4, 4, and cross members 5 </ b> R, 5 </ b> R installed along the vehicle width direction between the front end portions of the pair of side members 4, 4 and the floor tunnel portion 30. Outriggers 7 are arranged between the side member 4 and the side sill 6 (only the side sill inner is shown in FIGS. 2 and 4) at a plurality of locations (three locations in the present embodiment) along the vehicle longitudinal direction. Yes. In this embodiment, the side member 4, the cross member 5R, and the side sill 6 are all configured as hollow members having a closed cross section.

サイドメンバ４，４の後端部には、それぞれ車両１の後部の車幅方向両側で車両前後方向に沿って延在するリヤサイドメンバ８，８が接続されている。本実施形態では、リヤサイドメンバ８は、略矩形の閉断面を有する部材として構成してある。   Rear side members 8 and 8 extending along the vehicle front-rear direction on both sides in the vehicle width direction of the rear portion of the vehicle 1 are connected to the rear end portions of the side members 4 and 4, respectively. In the present embodiment, the rear side member 8 is configured as a member having a substantially rectangular closed cross section.

一対のリヤサイドメンバ８，８間には、二つのリヤクロスメンバ９Ｆ，９Ｒが車幅方向に沿って架設してある。本実施形態では、前側のリヤクロスメンバ９Ｆは、略矩形の閉断面を有する部材として構成してある一方、後側のリヤクロスメンバ９Ｒは、略円形断面の二本のパイプ状部材９Ｒａ，９Ｒｂを接合して構成してある。   Between the pair of rear side members 8, 8, two rear cross members 9F, 9R are installed along the vehicle width direction. In the present embodiment, the front rear cross member 9F is configured as a member having a substantially rectangular closed cross section, while the rear rear cross member 9R is formed of two pipe-shaped members 9Ra and 9Rb having a substantially circular cross section. Are joined together.

リヤサイドメンバ８，８は、それぞれ後輪３２を覆うホイールハウス１０，１０の車幅方向内側部分に接続されている。そして、左右一対のホイールハウス１０，１０（図２，図４にはホイールハウスインナのみ図示）の上部同士の間にはクロスバー１１を架設してある。本実施形態では、クロスバー１１は、略円形断面のパイプ状部材によって構成してある。   The rear side members 8 and 8 are connected to inner portions in the vehicle width direction of the wheel houses 10 and 10 covering the rear wheels 32, respectively. A cross bar 11 is installed between the upper portions of the pair of left and right wheel houses 10 and 10 (only the wheel house inner is shown in FIGS. 2 and 4). In the present embodiment, the cross bar 11 is configured by a pipe-shaped member having a substantially circular cross section.

後側のリヤクロスメンバ９Ｒとクロスバー１１との間には、パネル１２を架設してある。図２に示すように、本実施形態では、クロスバー１１および後側のリヤクロスメンバ９Ｒをなす一方のパイプ状部材９Ｒａは、車幅方向中央部で当該車幅方向に沿って延びる中間部１１ｍ，９ｍと、当該区間の両側で車幅方向に向かうにつれて車両前後方向後方に向けて延びる斜行部１１ｃ，９ｃとを有しており、上下に対向する斜行部１１ｃ，９ｃ間にパネル１２，１２が架設されている。また、後側のリヤクロスメンバ９Ｒを成すもう一方のパイプ状部材９Ｒｂは車幅方向に沿って直線状に形成されており、車幅方向中間部では、このパイプ状部材９Ｒｂとクロスバー１１との間にパネル１２が架設されている。   A panel 12 is installed between the rear rear cross member 9R and the cross bar 11. As shown in FIG. 2, in this embodiment, one pipe-like member 9Ra constituting the cross bar 11 and the rear rear cross member 9R is an intermediate portion 11m extending along the vehicle width direction at the center in the vehicle width direction. , 9m, and slant portions 11c, 9c extending toward the rear in the vehicle front-rear direction toward the vehicle width direction on both sides of the section, and a panel 12 between the slant portions 11c, 9c facing vertically. , 12 are installed. The other pipe member 9Rb constituting the rear rear cross member 9R is formed in a straight line along the vehicle width direction. At the intermediate portion in the vehicle width direction, the pipe member 9Rb and the crossbar 11 A panel 12 is installed between the panels.

車両１の前部にはフロントコンパートメント１３が形成されている。フロントコンパートメント１３内には、電気機器としての駆動モータ４０、チャージャ４１、インバータ４２等が配置されている。   A front compartment 13 is formed at the front of the vehicle 1. In the front compartment 13, a drive motor 40, a charger 41, an inverter 42, etc. are arranged as electrical equipment.

フロントコンパートメント１３の車幅方向両側には、車両前後方向に沿って延びる一対のフロントサイドメンバ１４，１４が設けられている。フロントサイドメンバ１４は、左右とも、図１に示すように、フロントコンパートメント１３の後端部近傍で下方かつ後方に向けて屈曲している。そしてフロントサイドメンバ１４の屈曲点より後側の部分としての斜行部１４ｉとサイドメンバ４との間に、フロアパネル２６の上にハット型断面の部材を伏せた状態で接合して形成された閉断面を有するエクステンションサイドメンバ１５が設けられている。   A pair of front side members 14, 14 extending along the vehicle front-rear direction are provided on both sides of the front compartment 13 in the vehicle width direction. As shown in FIG. 1, the front side member 14 is bent downward and rearward in the vicinity of the rear end portion of the front compartment 13, as shown in FIG. 1. Then, a hat-shaped cross-section member is formed on the floor panel 26 in a face-down manner on the floor member 26 between the skewed portion 14i as a portion behind the bending point of the front side member 14 and the side member 4. An extension side member 15 having a closed cross section is provided.

このエクステンションサイドメンバ１５は、左右のそれぞれについて、平面視で略Ｖ字状を呈して二股に分岐されており、フロントサイドメンバ１４の後端部からフロントクロスメンバ５の車幅方向中央位置に向けて延びる内側部材１５ｉと、当該内側部材１５ｉより車幅方向外側でフロントサイドメンバ１４の後端部からサイドメンバ４の前端位置に向けて延びる外側部材１５ｏとを含んでいる。なお、エクステンションサイドメンバ１５の後端部に設けられるクロスメンバ５Ｒには、左右の前輪３４用のサスペンションメンバ１６，１６が取り付けられている。   The extension side member 15 has a substantially V shape in plan view and is bifurcated into a bifurcated shape on each of the left and right sides. And an outer member 15o extending from the rear end portion of the front side member 14 toward the front end position of the side member 4 outside the inner member 15i in the vehicle width direction. Note that suspension members 16, 16 for the left and right front wheels 34 are attached to the cross member 5 </ b> R provided at the rear end portion of the extension side member 15.

バッテリフレーム１７は、矩形枠状の外枠部材１８と、外枠部材１８内に取り付けられたＴ字部材１９とを含んでいる。   The battery frame 17 includes a rectangular frame-shaped outer frame member 18 and a T-shaped member 19 attached in the outer frame member 18.

このうち、外枠部材１８は、車両前後方向前端部で車幅方向に沿って延びる前端部材１８ｆ、車両前後方向後端部で車幅方向に沿って延びる後端部材１８ｒ、および車幅方向両端部で車両前後方向に沿って延びる一対の側端部材１８ｓ，１８ｓを含んでいる。   Among these, the outer frame member 18 includes a front end member 18f extending along the vehicle width direction at the front end in the vehicle front-rear direction, a rear end member 18r extending along the vehicle width direction at the rear end in the vehicle front-rear direction, and both ends in the vehicle width direction. It includes a pair of side end members 18s, 18s extending along the vehicle front-rear direction.

また、Ｔ字部材１９は、前端部材１８ｆと後端部材１８ｒとの間で車幅方向に沿って延びる中間横部材１９ｗと、中間横部材１９ｗの車幅方向中央位置と前端部材１８ｆの車幅方向中央位置との間で車両前後方向に沿って延びる中間縦部材１９ｌとを含んでいる。   Further, the T-shaped member 19 includes an intermediate horizontal member 19w extending in the vehicle width direction between the front end member 18f and the rear end member 18r, a vehicle width direction center position of the intermediate horizontal member 19w, and a vehicle width of the front end member 18f. And an intermediate longitudinal member 19l extending in the vehicle longitudinal direction between the center position in the direction.

このバッテリフレーム１７では、外枠部材１８によって形成される矩形領域２０が、Ｔ字部材１９によって、三つの分割矩形領域２１に区分されている。本実施形態では、三つの分割矩形領域２１は、全て略同一形状で、平面視で長辺が短辺の２倍となる長方形状に形成されている。そして、車両前後方向に長くなる姿勢で二つの分割矩形領域２１を車幅方向に沿って並べて配置し、それら二つの分割矩形領域２１の後方に車幅方向に長くなる姿勢で一つの分割矩形領域２１を配置してある。   In the battery frame 17, the rectangular region 20 formed by the outer frame member 18 is divided into three divided rectangular regions 21 by the T-shaped member 19. In the present embodiment, the three divided rectangular regions 21 are all substantially the same shape, and are formed in a rectangular shape whose long side is twice the short side in plan view. Then, the two divided rectangular areas 21 are arranged side by side along the vehicle width direction in a posture that becomes longer in the longitudinal direction of the vehicle, and one divided rectangular area in a posture that becomes longer in the vehicle width direction behind the two divided rectangular regions 21. 21 is arranged.

また、三つの分割矩形領域２１のそれぞれについて、車両下方に開口する開口部２２が形成してある。この開口部２２は、略正方形状に形成されているが、長方形状や円形状等の他の形状とすることができる。   In addition, an opening 22 that opens to the lower side of the vehicle is formed for each of the three divided rectangular regions 21. The opening 22 is formed in a substantially square shape, but may have other shapes such as a rectangular shape or a circular shape.

そして、図３，図４に示すように、本実施形態では、外枠部材１８およびＴ字部材１９を構成する骨格部材（前端部材１８ｆ、後端部材１８ｒ、側端部材１８ｓ、中間横部材１９ｗ、中間縦部材１９ｌ）は、いずれも、閉断面構造を有しており、上下方向に伸びる縦壁部２３と、縦壁部２３の下部から枠内側（すなわち分割矩形領域２１の中心側）に向けて張り出す内向きフランジ部２４とを備えている。   As shown in FIGS. 3 and 4, in this embodiment, the skeleton members (front end member 18f, rear end member 18r, side end member 18s, intermediate lateral member 19w) constituting the outer frame member 18 and the T-shaped member 19 are used. The intermediate vertical member 19l) has a closed cross-sectional structure, and extends vertically from the vertical wall portion 23 extending in the vertical direction to the frame inner side (that is, the center side of the divided rectangular region 21). And an inward-facing flange portion 24 that projects outward.

また、このバッテリフレーム１７は、車体骨格部材に固定される。本実施形態では、側端部材１８ｓ，１８ｓがサイドメンバ４に沿って配置されてこのサイドメンバ４に固定され、前端部材１８ｆがクロスメンバ５Ｒに沿って配置されてこのクロスメンバ５Ｒに固定され、後端部材１８ｒが前側のリヤクロスメンバ９Ｆに沿って配置されてこのリヤクロスメンバ９Ｆに固定される。この場合、車体骨格部材とバッテリフレーム１７の各部とは、ボルトおよびナットによって締結してもよいし、スポット溶接してもよい。   The battery frame 17 is fixed to the vehicle body skeleton member. In the present embodiment, the side end members 18s and 18s are arranged along the side member 4 and fixed to the side member 4, and the front end member 18f is arranged along the cross member 5R and fixed to the cross member 5R. The rear end member 18r is disposed along the front rear cross member 9F and fixed to the rear cross member 9F. In this case, the vehicle body frame member and each part of the battery frame 17 may be fastened with bolts and nuts, or may be spot welded.

バッテリフレーム１７を用いて車両１に搭載されるバッテリ３は、ケーシング３ａ内に単位バッテリ（図示せず）を複数収容するバッテリパックであり、上下方向に薄い扁平な直方体状に構成されている。ケーシング３ａは、内部に収容される単位バッテリの被水や小石等の衝突を防ぐ防護壁として機能する。   The battery 3 mounted on the vehicle 1 using the battery frame 17 is a battery pack that houses a plurality of unit batteries (not shown) in a casing 3a, and has a flat rectangular parallelepiped shape that is thin in the vertical direction. The casing 3a functions as a protective wall that prevents the unit battery accommodated therein from getting wet with water or pebbles.

本実施形態では、三つのバッテリ３をいずれも同一形状としてある。具体的には、バッテリ３の水平断面における長辺の寸法を短辺の寸法の約２倍に設定するとともに、バッテリ３の底部ではそれぞれ分割矩形領域２１の縦横寸法よりわずかに小さくし、バッテリフレーム１７の三つの分割矩形領域２１内にバッテリ３を一つずつ収容してある。   In the present embodiment, all three batteries 3 have the same shape. Specifically, the size of the long side in the horizontal cross section of the battery 3 is set to about twice the size of the short side, and at the bottom of the battery 3, the size is slightly smaller than the vertical and horizontal dimensions of the divided rectangular regions 21, respectively. One battery 3 is accommodated in each of the seven divided rectangular areas 21.

また、図４に示すように、バッテリ３は、周囲（前後左右）四方の縦壁部２３との間に微小な隙間２５を有する状態で、それら縦壁部２３から張り出す内向きフランジ部２４上に載置され、上方のフロアパネル２６との間に発泡ウレタン等の緩衝部材２７を介在させた状態で、当該フロアパネル２６と内向きフランジ部２４との間に挟装される。   As shown in FIG. 4, the battery 3 has an inward flange portion 24 that protrudes from the vertical wall portions 23 in a state where there are minute gaps 25 between the vertical wall portions 23 in the surrounding (front and rear, left and right) four sides. It is placed between the floor panel 26 and the inward flange portion 24 with a cushioning member 27 such as foamed urethane interposed between the floor panel 26 and the upper floor panel 26.

このとき、上述したように、各分割矩形領域２１には開口部２２を形成してある。このため、バッテリ３のケーシング３ａの底部は、この開口部２２から下方に露出することになる。   At this time, as described above, the opening 22 is formed in each divided rectangular region 21. For this reason, the bottom of the casing 3 a of the battery 3 is exposed downward from the opening 22.

また、バッテリ３は、バッテリフレーム１７に対して、少なくとも車両前後方向および車幅方向について位置決めしてある。この位置決めは、ピンと穴、長穴、切欠等（いずれも図示せず）とで行うようにしてもよいし、適宜ボルトやナット（図示せず）によって締結してもよい。また、位置決め部や締結部には適宜に合成ゴム等の緩衝部材（図示せず）を介在させてもよい。   The battery 3 is positioned with respect to the battery frame 17 at least in the vehicle front-rear direction and the vehicle width direction. This positioning may be performed by a pin and a hole, a long hole, a notch (not shown) or the like, or may be fastened by a bolt or a nut (not shown) as appropriate. Moreover, you may interpose buffer members (not shown), such as a synthetic rubber, suitably in a positioning part or a fastening part.

そして、本実施形態では、各バッテリ３に繋がるハーネス２８を、バッテリフレーム１７のＴ字部材１９に沿って、当該Ｔ字部材１９上で配索してある。そして、本実施形態では、三つのバッテリ３とハーネス２８を介して接続される電気機器としてのジャンクションボックス２９を、後方のバッテリ３上で、Ｔ字部材１９の中間縦部材１９ｌと中間横部材１９ｗとの交差点に臨むように配置し、ジャンクションボックス２９と各バッテリ３との間のハーネス２８の長さを短くできるようにしてある。また、本実施形態のバッテリフレーム１７のレイアウトによれば、各バッテリ３若しくはジャンクションボックス２９と車両１の前部のフロントコンパートメント１３内の電気機器（例えばモータやコントロールボックス等）とを繋ぐハーネス２８を、フロントコンパートメント１３の後部で車幅方向中央位置に形成されるフロアトンネル部３０とこのフロアトンネル部３０の後方に位置する中間縦部材１９ｌに沿って配索することができる。よって、このハーネス２８を、車両前後方向に沿って略直線状に、比較的短い距離でかつ容易に配索することができる。   In this embodiment, the harness 28 connected to each battery 3 is routed on the T-shaped member 19 along the T-shaped member 19 of the battery frame 17. And in this embodiment, the junction box 29 as an electric equipment connected to the three batteries 3 via the harness 28 is arranged on the rear battery 3 with an intermediate vertical member 19l and an intermediate horizontal member 19w of the T-shaped member 19. And the length of the harness 28 between the junction box 29 and each battery 3 can be shortened. In addition, according to the layout of the battery frame 17 of the present embodiment, the harness 28 that connects each battery 3 or the junction box 29 and the electrical equipment (for example, a motor, a control box, etc.) in the front compartment 13 at the front of the vehicle 1 is provided. Further, it can be routed along the floor tunnel portion 30 formed at the center position in the vehicle width direction at the rear portion of the front compartment 13 and the intermediate vertical member 19l located behind the floor tunnel portion 30. Therefore, the harness 28 can be easily routed in a substantially straight line along the vehicle longitudinal direction at a relatively short distance.

このハーネス２８は、図２〜図４に示すブラケット３１によって、Ｔ字部材１９上に固定してある。本実施形態では、ハーネス２８は、ブラケット３１とＴ字部材１９との間に挟持されている。   The harness 28 is fixed on the T-shaped member 19 by a bracket 31 shown in FIGS. In the present embodiment, the harness 28 is sandwiched between the bracket 31 and the T-shaped member 19.

また、図４を参照すれば、本実施形態では、ジャンクションボックス２９の後方を、クロスバー１１、後側のリヤクロスメンバ９Ｒ、ならびにパネル１２によって覆った状態となっていることが理解できるであろう。   Referring to FIG. 4, in this embodiment, it can be understood that the rear of the junction box 29 is covered with the cross bar 11, the rear rear cross member 9 </ b> R, and the panel 12. Let's go.

以上のように、本実施形態では、車体骨格部材にバッテリフレーム１７を取り付けたことで、車両衝突時に車体骨格部材に印加される荷重をより効率良く分散して、エネルギ吸収性を高めることができる。図５は、後面衝突時における荷重の伝達経路を示す図、図６は、側面衝突時における荷重の伝達経路を示す図である。なお、これら各図中、入力をＦｉ、抗力をＦｒで示している。   As described above, in the present embodiment, by attaching the battery frame 17 to the vehicle body skeleton member, it is possible to more efficiently disperse the load applied to the vehicle body skeleton member at the time of a vehicle collision, and to improve energy absorption. . FIG. 5 is a diagram illustrating a load transmission path at the time of a rear collision, and FIG. 6 is a diagram illustrating a load transmission path at the time of a side collision. In these drawings, the input is indicated by Fi and the drag force is indicated by Fr.

後面衝突時には、図５中に黒い太線矢印で示すように、車体骨格部材としてのリヤサイドメンバ８や、リヤクロスメンバ９Ｆ，９Ｒ、サイドメンバ４、左右のクロスメンバ５Ｒ，５Ｒ、エクステンションサイドメンバ１５、フロントサイドメンバ１４等が荷重伝達経路になるとともに、バッテリフレーム１７の外枠部材１８およびＴ字部材１９も荷重伝達経路となる。本実施形態では、エクステンションサイドメンバ１５の内側部材１５ｉがフロントサイドメンバ１４（の斜行部１４ｉ）の後部からＴ字部材１９の中間縦部材１９ｌの前端部に向けて延設されている分、Ｔ字部材１９における荷重伝達の効率が高められている。   At the time of a rear collision, as shown by a thick black arrow in FIG. 5, a rear side member 8 as a vehicle body frame member, rear cross members 9F and 9R, side members 4, left and right cross members 5R and 5R, extension side members 15, The front side member 14 and the like serve as a load transmission path, and the outer frame member 18 and the T-shaped member 19 of the battery frame 17 also serve as a load transmission path. In the present embodiment, the inner member 15i of the extension side member 15 extends from the rear portion of the front side member 14 (the skew portion 14i) toward the front end portion of the intermediate vertical member 19l of the T-shaped member 19, The efficiency of load transmission in the T-shaped member 19 is increased.

また、側面衝突時には、図６中に黒い太線矢印で示すように、車体骨格部材としてのサイドメンバ４、クロスメンバ５Ｒ、リヤクロスメンバ９Ｆ，９Ｒ、アウトリガー７等が荷重伝達経路になるとともに、バッテリフレーム１７の外枠部材１８およびＴ字部材１９も荷重伝達経路となる。本実施形態では、Ｔ字部材１９のうち特に中間横部材１９ｗによって荷重伝達の効率が高められている。   Further, at the time of a side collision, as shown by black thick arrows in FIG. 6, the side member 4, the cross member 5R, the rear cross members 9F and 9R, the outrigger 7 and the like as the vehicle body skeleton members serve as a load transmission path, and the battery The outer frame member 18 and the T-shaped member 19 of the frame 17 also serve as a load transmission path. In this embodiment, the efficiency of load transmission is enhanced by the intermediate transverse member 19w among the T-shaped member 19 in particular.

以上説明したように、本実施形態では、一対の車幅方向に沿って延びる部分（前端部材１８ｆおよび後端部材１８ｒ）と一対の車両前後方向に沿って延びる部分（側端部材１８ｓ，１８ｓ）とで矩形状を成す外枠部材１８と、当該外枠部材１８の枠内で車幅方向に沿って延びる部分（中間横部材１９ｗ）と車両前後方向に沿って延びる部分（中間縦部材１９ｌ）とでＴ字状を成すＴ字部材１９と、を含むバッテリフレーム１７を設け、外枠部材１８によって囲まれる矩形領域２０を、Ｔ字部材１９によって三つの分割矩形領域２１に区分し、三つの分割矩形領域２１のそれぞれにバッテリを搭載した。すなわち、外枠部材１８内で縦横に配置する桟部材（本実施形態ではＴ字部材１９）の数をより少なくできる分、バッテリフレーム１７をより軽量に構成することができるとともに、バッテリ３を配置するスペースとしての分割矩形領域２１を桟部材が多い場合に比べてより広く確保することができて、バッテリ３の容量をより大きく確保しやすくなる。また、Ｔ字部材１９は、縦横に延びる部材（すなわち中間縦部材１９ｌおよび中間横部材１９ｗ）をそれぞれ一つずつ含む構成となるため、車両前後方向ならびに車幅方向に入力された衝突荷重（前突、後突、側突時に入力される衝突荷重）の双方に対する剛性を効果的に高めることができる。   As described above, in the present embodiment, a portion extending along the pair of vehicle width directions (front end member 18f and rear end member 18r) and a portion extending along the pair of vehicle longitudinal directions (side end members 18s, 18s). And a portion extending along the vehicle width direction (intermediate horizontal member 19w) and a portion extending along the vehicle front-rear direction (intermediate vertical member 19l) within the frame of the outer frame member 18 And a T-shaped member 19 having a T-shape, and a rectangular region 20 surrounded by the outer frame member 18 is divided into three divided rectangular regions 21 by the T-shaped member 19. A battery was mounted on each of the divided rectangular areas 21. That is, the battery frame 17 can be configured to be lighter and the battery 3 can be disposed as much as the number of crosspiece members (T-shaped members 19 in this embodiment) arranged vertically and horizontally in the outer frame member 18 can be reduced. As compared with the case where there are many crosspiece members, the divided rectangular area 21 as a space to be secured can be secured more widely, and the capacity of the battery 3 can be easily secured. Further, since the T-shaped member 19 includes one member extending in the vertical and horizontal directions (that is, the intermediate vertical member 19l and the intermediate horizontal member 19w), the collision load (front) is input in the vehicle longitudinal direction and the vehicle width direction. It is possible to effectively increase the rigidity against both of the collision, the rear collision, and the collision load input during the side collision.

また、本実施形態では、車両前後方向に長い二つの分割矩形領域２１を車幅方向に沿って並べて配置し、当該二つの分割矩形領域２１の後方に車幅方向に長い分割矩形領域２１を配置した。かかるレイアウトでは、Ｔ字部材１９の中間縦部材１９ｌを、フロアトンネル部３０の後方に延在させることができるため、バッテリ３あるいはバッテリ３付近（すなわち車両１の前後方向中間部）に配置される電気機器（本実施形態ではジャンクションボックス２９等）とフロントコンパートメント１３内の電気機器（駆動モータ４０、チャージャ４１、インバータ４２等）とを繋ぐハーネス２８を、フロアトンネル部３０および中間縦部材１９ｌに沿って、略直線状により短く配索することができる。   In the present embodiment, the two divided rectangular areas 21 that are long in the vehicle longitudinal direction are arranged side by side along the vehicle width direction, and the divided rectangular areas 21 that are long in the vehicle width direction are arranged behind the two divided rectangular areas 21. did. In such a layout, since the intermediate vertical member 19l of the T-shaped member 19 can be extended to the rear of the floor tunnel portion 30, it is disposed in the vicinity of the battery 3 or the battery 3 (that is, the front-rear direction intermediate portion of the vehicle 1). A harness 28 that connects an electrical device (junction box 29 or the like in the present embodiment) and an electrical device (drive motor 40, charger 41, inverter 42, or the like) in the front compartment 13 is provided along the floor tunnel portion 30 and the intermediate vertical member 19l. Thus, it can be routed shorter in a substantially straight line.

また、本実施形態では、三つの分割矩形領域２１を略同一形状（同じ大きさおよび形の長方形）とした。このため、分割矩形領域２１に搭載するバッテリ３を同一形状（同一仕様）とすることができ、バッテリ３の仕様数を減らして当該バッテリ３の製造コストを低減することができる上、車両１への組み付けの手間を省くことができ、ひいては車両１の製造コストを低減することができる。   In the present embodiment, the three divided rectangular regions 21 have substantially the same shape (rectangular shape having the same size and shape). For this reason, the battery 3 mounted in the divided rectangular area 21 can have the same shape (same specification), the number of specifications of the battery 3 can be reduced, and the manufacturing cost of the battery 3 can be reduced. Can be saved, and the manufacturing cost of the vehicle 1 can be reduced.

また、本実施形態では、分割矩形領域２１に、車両下方に開口する開口部２２を設けた。このため、分割矩形領域２１に配置したバッテリ３の底面を当該開口部２２から車体下方に露出させることができ、バッテリ３の放熱性を高めて、過熱を抑制することができる。   In the present embodiment, the divided rectangular region 21 is provided with an opening 22 that opens downward in the vehicle. For this reason, the bottom surface of the battery 3 arranged in the divided rectangular region 21 can be exposed to the lower side of the vehicle body from the opening 22, and the heat dissipation of the battery 3 can be enhanced to suppress overheating.

また、本実施形態では、外枠部材１８およびＴ字部材１９に、それぞれ、上下方向に伸びる縦壁部２３と、当該縦壁部２３から枠内側に向けて水平方向に張り出す内向きフランジ部２４と、を設け、バッテリ３を縦壁部２３との間に隙間２５を有する状態で内向きフランジ部２４上に載置した。このため、バッテリフレーム１７の外枠部材１８あるいはＴ字部材１９にねじれが生じた場合にも、このねじれを隙間２５で吸収してバッテリ３に伝わりにくくして、バッテリ３の保護性を高めることができる。   In the present embodiment, the outer frame member 18 and the T-shaped member 19 are each provided with a vertical wall portion 23 extending in the vertical direction and an inward flange portion projecting horizontally from the vertical wall portion 23 toward the inside of the frame. 24, and the battery 3 was placed on the inward flange portion 24 with a gap 25 between the vertical wall portion 23 and the battery 3. For this reason, even when the outer frame member 18 or the T-shaped member 19 of the battery frame 17 is twisted, the twist is absorbed by the gap 25 and is not easily transmitted to the battery 3, thereby improving the protection of the battery 3. Can do.

また、本実施形態では、バッテリ３を、バッテリフレーム１７と当該バッテリフレーム１７上方のフロアパネル２６との間に挟装した。このため、バッテリ３を上下方向に容易に固定することができる。   In the present embodiment, the battery 3 is sandwiched between the battery frame 17 and the floor panel 26 above the battery frame 17. For this reason, the battery 3 can be easily fixed in the vertical direction.

また、本実施形態では、バッテリ３とフロアパネル２６との間に緩衝部材２７を配置した。このため、バッテリ３のがたつきや振動を抑制することができるとともに、バッテリ３に対する荷重入力を軽減して、バッテリ３の保護性を高めることができる。なお、緩衝部材２７は、バッテリ３とバッテリフレーム１７との間に介在させることもできる。   In the present embodiment, the buffer member 27 is disposed between the battery 3 and the floor panel 26. For this reason, while being able to suppress rattling and vibration of the battery 3, it is possible to reduce the load input to the battery 3 and improve the protection of the battery 3. The buffer member 27 can be interposed between the battery 3 and the battery frame 17.

また、本実施形態では、フロントサイドメンバ１４とサイドメンバ４との間にエクステンションサイドメンバ１５を設け、このエクステンションサイドメンバ１５を、フロントサイドメンバ１４（の斜行部１４ｉ）の後部からバッテリフレーム１７の前端部材１８ｆの車幅方向中央位置に向けて延びる内側部材１５ｉと、当該内側部材１５ｉより車幅方向外側でフロントサイドメンバ１４（の斜行部１４ｉ）の後部からバッテリフレーム１７の側端部材１８ｓの前端位置に向けて延びる外側部材１５ｏとを、含むように構成した。このため、エクステンションサイドメンバ１５により、フロントサイドメンバ１４とバッテリフレーム１７との間で、車両前後方向の荷重を効率良く伝達することができる。特に、本実施形態のレイアウトでは、エクステンションサイドメンバ１５の後端部とバッテリフレーム１７の中間縦部材１９ｌの前端部とが近接して配置されるため、この中間縦部材１９ｌを利用してより効率の高い荷重の伝達や衝撃吸収が可能となる。   In the present embodiment, an extension side member 15 is provided between the front side member 14 and the side member 4, and the extension side member 15 is connected to the battery frame 17 from the rear portion of the front side member 14 (the skew portion 14 i thereof). An inner member 15i extending toward the vehicle width direction center position of the front end member 18f, and a side end member of the battery frame 17 from the rear side of the front side member 14 (the skew portion 14i) outside the inner member 15i in the vehicle width direction. And an outer member 15o extending toward the front end position of 18s. For this reason, the extension side member 15 can efficiently transmit the load in the vehicle front-rear direction between the front side member 14 and the battery frame 17. In particular, in the layout of the present embodiment, the rear end portion of the extension side member 15 and the front end portion of the intermediate vertical member 19l of the battery frame 17 are disposed close to each other. High load transmission and shock absorption are possible.

また、本実施形態では、一対のリヤサイドメンバ８間で車幅方向に沿って架設される後側のリヤクロスメンバ９Ｒと、車幅方向両側の後輪３２をそれぞれ覆うホイールハウス１０の上部間で架設されるクロスバー１１と、後側のリヤクロスメンバ９Ｒとクロスバー１１との間に架設されるパネル１２と、を設けた。本実施形態の場合、バッテリフレーム１７を設けた分、車両前後方向中央部で車体剛性が向上するため、車両後面衝突時等に車両後方からリヤサイドメンバ８，８に衝突荷重が入力された場合には、これらリヤサイドメンバ８，８同士が外開きしやすくなる（前端部に比べて後端部の間隔が拡がりやすくなる）虞がある。この点、本実施形態では、一対のリヤサイドメンバ８，８間に、後側のリヤクロスメンバ９Ｒとクロスバー１１とを架設し、さらにこれらの間にパネル１２を架設したため、リヤサイドメンバ８，８のこうした外開きを抑制することができる。また、これら後側のリヤクロスメンバ９Ｒ、クロスバー１１、およびパネル１２により、車両後面衝突時等に、それより前方に配置される電気機器（本実施形態ではジャンクションボックス２９）の保護性を高めることができるという利点もある。   Further, in the present embodiment, between the rear rear cross member 9R installed along the vehicle width direction between the pair of rear side members 8 and the upper portion of the wheel house 10 covering the rear wheels 32 on both sides in the vehicle width direction. An erected cross bar 11 and a panel 12 erected between the rear rear cross member 9R and the cross bar 11 were provided. In the case of the present embodiment, since the vehicle body rigidity is improved at the center in the vehicle longitudinal direction by the amount of the battery frame 17 provided, when a collision load is input to the rear side members 8 and 8 from the rear of the vehicle at the time of a vehicle rear collision or the like. There is a risk that these rear side members 8, 8 are likely to open outward (the interval between the rear end portions is likely to be wider than the front end portion). In this respect, in the present embodiment, the rear side rear member 9R and the cross bar 11 are installed between the pair of rear side members 8 and 8, and the panel 12 is installed between them. Such an outward opening can be suppressed. Further, the rear rear member 9R, the cross bar 11, and the panel 12 on the rear side enhance the protection of an electric device (the junction box 29 in the present embodiment) disposed in front of the rear surface of the vehicle in the event of a vehicle rear surface collision or the like. There is also an advantage of being able to.

また、本実施形態では、クロスバー１１の車幅方向端部を、車幅方向外側に向かうにつれて車両前後方向後方に向かうように形成した。かかる構成によれば、クロスバー１１に前方に向かう荷重が入力された場合に、当該荷重を、ホイールハウス１０の上部を内側に向かわせる方向に作用させることができるため、上記外開きをより一層確実に抑制することができる。   Moreover, in this embodiment, the vehicle width direction edge part of the cross bar 11 was formed so that it might go to the vehicle front-back direction back as it went to the vehicle width direction outer side. According to such a configuration, when a forward load is input to the cross bar 11, the load can be applied in a direction in which the upper portion of the wheel house 10 is directed inward. It can be surely suppressed.

また、本実施形態では、Ｔ字部材１９に沿ってバッテリ３に繋がるハーネス２８を配索した。このため、複数のバッテリ３間、あるいはバッテリ３とジャンクションボックス２９等の電気機器とを繋ぐハーネス２８をより短くすることが可能となる上、特定の配索経路を確保できる分、ハーネス２８の配索作業をより容易に行うことが可能となる。   In the present embodiment, the harness 28 connected to the battery 3 is routed along the T-shaped member 19. For this reason, it is possible to shorten the harness 28 that connects between the plurality of batteries 3 or between the battery 3 and the electrical equipment such as the junction box 29, and in addition, the harness 28 can be arranged as much as a specific routing route can be secured. The search work can be performed more easily.

また、本実施形態では、Ｔ字部材１９の上にハーネス２８を配索した。これにより、バッテリ３を収容する分割矩形領域２１内にハーネス２８を配索する空間を確保する必要が無くなり、その分、より大きなバッテリ３を搭載して、バッテリ３の容量を増大することが可能となる。なお、Ｔ字部材１９の下（あるいはＴ字部材が中空の場合にはその内部等）にハーネス２８を配索した場合にも同様の効果が得られる。   In the present embodiment, the harness 28 is routed on the T-shaped member 19. As a result, it is not necessary to secure a space for routing the harness 28 in the divided rectangular area 21 that accommodates the battery 3, and it is possible to increase the capacity of the battery 3 by installing a larger battery 3. It becomes. The same effect can be obtained when the harness 28 is routed under the T-shaped member 19 (or the inside of the T-shaped member when the T-shaped member is hollow).

以上、本発明の好適な実施形態について説明したが、本発明は上記実施形態には限定されず、種々の変形が可能である。   The preferred embodiments of the present invention have been described above. However, the present invention is not limited to the above embodiments, and various modifications can be made.

例えば、Ｔ字部材１９および分割矩形領域２１のレイアウトを前後逆にして、車幅方向に沿って長い（横長の）分割矩形領域２１の後方に、車両前後方向に沿って長い（縦長の）二つの分割矩形領域２１を設けることができる。   For example, the layout of the T-shaped member 19 and the divided rectangular area 21 is reversed in the front-rear direction, and the long (longitudinal) length along the vehicle front-rear direction is behind the long (horizontal) divided rectangular area 21 along the vehicle width direction. Two divided rectangular areas 21 can be provided.

また、図７に示すように、後側のリヤクロスメンバ９ＲＡ、クロスバー１１Ａ、およびパネル１２Ａを車幅方向に沿って略直線状に設けることができる。こうすれば、これらリヤクロスメンバ９ＲＡ、クロスバー１１Ａおよびパネル１２Ａをより軽量に構成することができる。   Further, as shown in FIG. 7, the rear rear cross member 9RA, the cross bar 11A, and the panel 12A can be provided in a substantially linear shape along the vehicle width direction. In this way, the rear cross member 9RA, the cross bar 11A, and the panel 12A can be configured to be lighter.

また、パネル１２，１２Ａには、図８に示すように、上下に伸びる折れ線４３で前後方向に屈曲する屈曲部を設けたり、上下に伸びるビード（凹溝）を設けたりすることで、衝突時等に屈曲させるようにして、衝撃吸収性を高めることができる。   Further, as shown in FIG. 8, the panels 12 and 12A are provided with a bent portion that bends in the front-rear direction along a bent line 43 that extends vertically, or a bead (concave groove) that extends vertically, so that at the time of a collision It is possible to increase the shock absorption by bending the same.

また、パネル１２，１２Ａには、図９に示すように、適宜に貫通孔４４を形成して軽量化を図ることができる。   Further, as shown in FIG. 9, the panel 12, 12 </ b> A can be appropriately formed with a through hole 44 to reduce the weight.

また、図１０や図１１に示すように、バッテリフレーム１７Ａ，１７Ｂの分割矩形領域２１の長手方向中間部に、短手方向に沿って伸びて外枠部材１８およびＴ字部材１９より低背で扁平なサブメンバ３３，３３ｒを設けることができる。かかるサブメンバ３３，３３ｒを設けることで、バッテリフレーム１７Ａ，１７Ｂの剛性ひいては車体剛性を高めて、衝突時における荷重の伝達効率をより一層高めることが可能となる。また、図１１に示すように、各分割矩形領域２１のそれぞれにサブメンバ３３を設けた場合には、全ての分割矩形領域２１のそれぞれに、平面視で正方形状の二個のバッテリ（図示せず）を、このサブメンバ３３，３３ｒに底部の周縁部の一部を載置させた状態で収容することができる。   Further, as shown in FIG. 10 and FIG. 11, it extends in the longitudinal direction middle portion of the divided rectangular region 21 of the battery frames 17 </ b> A and 17 </ b> B along the short direction and has a lower height than the outer frame member 18 and the T-shaped member 19. Flat submembers 33 and 33r can be provided. By providing such submembers 33 and 33r, it is possible to increase the rigidity of the battery frames 17A and 17B and thus the rigidity of the vehicle body, and further increase the load transmission efficiency at the time of a collision. As shown in FIG. 11, when the sub member 33 is provided in each divided rectangular area 21, two batteries (not shown) having a square shape in plan view are provided in each of the divided rectangular areas 21. ) Can be accommodated in a state in which a part of the peripheral edge of the bottom is placed on the sub-members 33 and 33r.

本発明の一実施形態にかかる車両のバッテリ搭載構造の側面図である。It is a side view of the battery mounting structure of the vehicle concerning one Embodiment of this invention. 本発明の一実施形態にかかる車両のバッテリ搭載構造を上方から見た平面図である。It is the top view which looked at the battery mounting structure of the vehicle concerning one Embodiment of this invention from upper direction. 本発明の一実施形態にかかる車両のバッテリ搭載構造に含まれるバッテリフレームおよびバッテリの分解斜視図である。1 is an exploded perspective view of a battery frame and a battery included in a vehicle battery mounting structure according to an embodiment of the present invention. 図２のIV−IV断面図である。It is IV-IV sectional drawing of FIG. 本発明の一実施形態にかかる車両のバッテリ搭載構造における後面衝突時における荷重伝達経路を示す平面図である。It is a top view which shows the load transmission path | route at the time of the rear collision in the battery mounting structure of the vehicle concerning one Embodiment of this invention. 本発明の一実施形態にかかる車両のバッテリ搭載構造における側面衝突時における荷重伝達経路を示す平面図である。It is a top view which shows the load transmission path | route at the time of the side collision in the battery mounting structure of the vehicle concerning one Embodiment of this invention. 本発明の別の実施形態にかかる車両のバッテリ搭載構造を上方から見た平面図である。It is the top view which looked at the battery mounting structure of the vehicle concerning another embodiment of this invention from upper direction. 本発明の実施形態にかかる車両のバッテリ搭載構造に含まれるパネルの変形例を示す図である。It is a figure which shows the modification of the panel contained in the battery mounting structure of the vehicle concerning embodiment of this invention. 本発明の実施形態にかかる車両のバッテリ搭載構造に含まれるパネルの別の変形例を示す図である。It is a figure which shows another modification of the panel contained in the battery mounting structure of the vehicle concerning embodiment of this invention. 本発明の実施形態にかかる車両のバッテリ搭載構造に含まれるバッテリフレームの変形例を示す斜視図である。It is a perspective view which shows the modification of the battery frame contained in the battery mounting structure of the vehicle concerning embodiment of this invention. 本発明の実施形態にかかる車両のバッテリ搭載構造に含まれるバッテリフレームの別の変形例を示す斜視図である。It is a perspective view which shows another modification of the battery frame contained in the battery mounting structure of the vehicle concerning embodiment of this invention.

符号の説明Explanation of symbols

１ 車両
３ バッテリ
４ サイドメンバ
８ リヤサイドメンバ
９Ｒ，９ＲＡ リヤクロスメンバ
１０ ホイールハウス
１１，１１Ａ クロスバー
１２，１２Ａ パネル
１４ フロントサイドメンバ
１５ エクステンションサイドメンバ
１５ｉ 内側部材
１５ｏ 外側部材
１７，１７Ａ，１７Ｂ バッテリフレーム
１８ 外枠部材
１８ｆ 前端部材
１８ｒ 後端部材
１８ｓ 側端部材
１９ Ｔ字部材
１９ｌ 中間縦部材
１９ｗ 中間横部材
２０ 矩形領域
２１ 分割矩形領域
２２ 開口部
２３ 縦壁部
２４ 内向きフランジ部
２５ 隙間
２６ フロアパネル
２７ 緩衝部材
２８ ハーネス
２９ ジャンクションボックス
３２ 後輪 DESCRIPTION OF SYMBOLS 1 Vehicle 3 Battery 4 Side member 8 Rear side member 9R, 9RA Rear cross member 10 Wheel house 11, 11A Cross bar 12, 12A Panel 14 Front side member 15 Extension side member 15i Inner member 15o Outer member 17, 17A, 17B Battery frame 18 Outer frame member 18f Front end member 18r Rear end member 18s Side end member 19 T-shaped member 19l Intermediate longitudinal member 19w Intermediate lateral member 20 Rectangular region 21 Divided rectangular region 22 Opening portion 23 Vertical wall portion 24 Inward flange portion 25 Gap 26 Floor panel 27 Buffer member 28 Harness 29 Junction box 32 Rear wheel

Claims (14)

複数のバッテリを車体下部に取り付けるためのバッテリフレームを備えた車両のバッテリ搭載構造において、
前記バッテリフレームは、一対の車幅方向に沿って延びる部分と一対の車両前後方向に沿って延びる部分とで矩形状を成す外枠部材と、当該外枠部材の枠内で車幅方向に沿って延びる部分と車両前後方向に沿って延びる部分とでＴ字状を成すＴ字部材と、を含み、
前記外枠部材によって囲まれる矩形領域を、前記Ｔ字部材によって三つの分割矩形領域に区分し、
前記三つの分割矩形領域のそれぞれにバッテリを搭載したことを特徴とする車両のバッテリ搭載構造。 In a vehicle battery mounting structure having a battery frame for attaching a plurality of batteries to the lower part of the vehicle body,
The battery frame includes an outer frame member that has a rectangular shape with a portion extending along a pair of vehicle width directions and a portion extending along a pair of vehicle front-rear directions, and along the vehicle width direction within the frame of the outer frame members. And a T-shaped member having a T-shape with a portion extending along the vehicle longitudinal direction,
The rectangular region surrounded by the outer frame member is divided into three divided rectangular regions by the T-shaped member,
A battery mounting structure for a vehicle, wherein a battery is mounted in each of the three divided rectangular areas. 車両前後方向に長い二つの分割矩形領域を車幅方向に沿って並べて配置し、当該二つの分割矩形領域の後方に車幅方向に長い分割矩形領域を配置したことを特徴とする請求項１に記載の車両のバッテリ搭載構造。   The two divided rectangular areas that are long in the vehicle front-rear direction are arranged side by side along the vehicle width direction, and a long divided rectangular area is arranged behind the two divided rectangular areas in the vehicle width direction. The battery mounting structure of the described vehicle. 前記三つの分割矩形領域を略同一形状としたことを特徴とする請求項１または２に記載の車両のバッテリ搭載構造。   The battery mounting structure for a vehicle according to claim 1, wherein the three divided rectangular regions have substantially the same shape. 前記分割矩形領域に、車両下方に開口する開口部を設けたことを特徴とする請求項１〜３のうちいずれか一つに記載の車両のバッテリ搭載構造。   The battery mounting structure for a vehicle according to any one of claims 1 to 3, wherein an opening that opens downward in the vehicle is provided in the divided rectangular region. 前記外枠部材およびＴ字部材に、それぞれ、上下方向に伸びる縦壁部と、当該縦壁部から枠内側に向けて水平方向に張り出す内向きフランジ部と、を設け、
前記バッテリを、前記縦壁部と隙間を有する状態で前記内向きフランジ部上に載置したことを特徴とする請求項１〜４のうちいずれか一つに記載の車両のバッテリ搭載構造。 The outer frame member and the T-shaped member are each provided with a vertical wall portion extending in the vertical direction and an inward flange portion projecting in the horizontal direction from the vertical wall portion toward the inside of the frame,
The battery mounting structure for a vehicle according to any one of claims 1 to 4, wherein the battery is placed on the inward flange portion in a state having a gap with the vertical wall portion. 前記バッテリを、前記バッテリフレームを構成する外枠部材から張り出す内向きフランジ部と当該バッテリフレーム上方のフロアパネルとの間に挟装したことを特徴とする請求項５に記載の車両のバッテリ搭載構造。 The battery mounting for a vehicle according to claim 5, wherein the battery is sandwiched between an inward flange portion projecting from an outer frame member constituting the battery frame and a floor panel above the battery frame. Construction. 前記バッテリとフロアパネルまたはバッテリフレームとの間に緩衝部材を配置したことを特徴とする請求項６に記載の車両のバッテリ搭載構造。   The vehicle battery mounting structure according to claim 6, wherein a buffer member is disposed between the battery and a floor panel or a battery frame. 車両の前後方向中央部の車幅方向両側で前後方向に沿って延設される一対のサイドメンバと、
車両前部の車幅方向両側で前後方向に沿って延設される一対のフロントサイドメンバと、
前記フロントサイドメンバと前記サイドメンバとの間に設けられるエクステンションサイドメンバと、
を備え、
前記外枠部材は、車両前後方向前端部で車幅方向に沿って延びる前端部材と、車幅方向両端部で車両前後方向に沿って延びてそれぞれ前記サイドメンバに取り付けられる一対の側端部材と、を含み、
前記エクステンションサイドメンバは、前記フロントサイドメンバの後部から前記前端部材の車幅方向中央位置に向けて延びる内側部材と、当該内側部材より車幅方向外側で前記フロントサイドメンバの後部から前記側端部材の前端位置に向けて延びる外側部材と、を含むことを特徴とする請求項１〜７のうちいずれか一つに記載の車両のバッテリ搭載構造。 A pair of side members extending along the front-rear direction on both sides in the vehicle width direction of the vehicle center in the front-rear direction;
A pair of front side members extending along the front-rear direction on both sides in the vehicle width direction of the front of the vehicle;
An extension side member provided between the front side member and the side member;
With
The outer frame member includes a front end member extending along the vehicle width direction at a vehicle front-rear direction front end portion, and a pair of side end members extending along the vehicle front-rear direction at both end portions in the vehicle width direction and attached to the side members, respectively. Including,
The extension side member includes an inner member extending from a rear portion of the front side member toward a center position in the vehicle width direction of the front end member, and the side end member from the rear portion of the front side member outside the inner member in the vehicle width direction. The vehicle battery mounting structure according to claim 1, further comprising an outer member extending toward a front end position of the vehicle. 車両の前後方向中央部の車幅方向両側で前後方向に沿って延設される一対のサイドメンバと、
前記サイドメンバの後端部に接続され車両後部の車幅方向両側で車両前後方向に沿って延設される一対のリヤサイドメンバと、
前記一対のリヤサイドメンバ間で車幅方向に沿って架設されるリヤクロスメンバと、
車幅方向両側の後輪をそれぞれ覆うホイールハウスの上部間で架設されるクロスバーと、
前記リヤクロスメンバと前記クロスバーとの間に架設されるパネルと、
を備え、
前記外枠部材は、車両前後方向の後端部で車幅方向に沿って延設されて前記リヤクロスメンバに取り付けられる後端部材と、車幅方向両側で車両前後方向に沿って延設されると共にそれぞれ前記サイドメンバに取り付けられる一対の側端部材と、を含むことを特徴とする請求項１〜８のいずれか一つに記載の車両のバッテリ搭載構造。 A pair of side members extending along the front-rear direction on both sides in the vehicle width direction of the vehicle center in the front-rear direction;
A pair of rear side members connected to the rear end of the side member and extending along the vehicle longitudinal direction on both sides in the vehicle width direction of the vehicle rear;
A rear cross member constructed along the vehicle width direction between the pair of rear side members;
A cross bar constructed between the upper parts of the wheel house covering the rear wheels on both sides in the vehicle width direction,
A panel constructed between the rear cross member and the cross bar;
Equipped with a,
The outer frame member extends along the vehicle width direction at the rear end portion in the vehicle longitudinal direction and is attached to the rear cross member, and extends along the vehicle longitudinal direction on both sides in the vehicle width direction. The vehicle battery mounting structure according to claim 1 , further comprising a pair of side end members each attached to the side member . 前記クロスバーの車幅方向端部を、車幅方向外側に向かうにつれて車両前後方向後方に向かうように形成したことを特徴とする請求項９に記載の車両のバッテリ搭載構造。   The vehicle battery mounting structure according to claim 9, wherein an end portion of the cross bar in the vehicle width direction is formed so as to go rearward in the vehicle front-rear direction as going outward in the vehicle width direction. 前記バッテリに繋がるハーネスを前記Ｔ字部材に沿って配索したことを特徴とする請求項１〜１０のうちいずれか一つに記載の車両のバッテリ搭載構造。   The battery mounting structure for a vehicle according to any one of claims 1 to 10, wherein a harness connected to the battery is routed along the T-shaped member. 前記ハーネスを前記Ｔ字部材の上または下に配索したことを特徴とする請求項１１に記載の車両のバッテリ搭載構造。   The vehicle battery mounting structure according to claim 11, wherein the harness is routed above or below the T-shaped member. 請求項１〜１２のうちいずれか一つに記載の車両のバッテリ搭載構造で用いられるバッテリフレームであって、一対の車幅方向に伸びる部分と一対の車両前後方向に伸びる部分とで矩形状を成す外枠部材と、当該外枠部材の枠内で車幅方向に延びる部分と車両前後方向とに延びる部分とでＴ字状を成すＴ字部材と、を含むバッテリフレーム。   It is a battery frame used with the battery mounting structure of the vehicle as described in any one of Claims 1-12, Comprising: A rectangular shape is comprised by the part extended in a pair of vehicle width direction, and the part extended in a pair of vehicle front-back direction. A battery frame comprising: an outer frame member formed; and a T-shaped member formed in a T shape by a portion extending in a vehicle width direction and a portion extending in a vehicle front-rear direction within the frame of the outer frame member. バッテリフレームを用いて複数のバッテリを車両に搭載する車両のバッテリ搭載方法において、
前記バッテリフレームを、一対の車幅方向に伸びる部分と一対の車両前後方向に伸びる部分とで矩形状を成す外枠部材と、当該外枠部材内に取り付けられ車幅方向に延びる部分と車両前後方向とに延びる部分とでＴ字状を成すＴ字部材と、を含むものとして構成し、
前記外枠部材によって囲まれる矩形領域を、前記Ｔ字部材によって三つの分割矩形領域に区分し、
前記分割矩形領域のそれぞれにバッテリを搭載したことを特徴とする車両のバッテリ搭載方法。 In a vehicle battery mounting method for mounting a plurality of batteries on a vehicle using a battery frame,
The battery frame has a rectangular outer frame member made up of a pair of parts extending in the vehicle width direction and a pair of parts extending in the vehicle front-rear direction, a part attached in the outer frame member and extending in the vehicle width direction, and the vehicle front-rear A T-shaped member that forms a T shape with a portion extending in a direction,
The rectangular region surrounded by the outer frame member is divided into three divided rectangular regions by the T-shaped member,
A battery mounting method for a vehicle, wherein a battery is mounted in each of the divided rectangular areas.
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