JPH07117725A - Front body structure of electric vehicle - Google Patents
Front body structure of electric vehicleInfo
- Publication number
- JPH07117725A JPH07117725A JP26446493A JP26446493A JPH07117725A JP H07117725 A JPH07117725 A JP H07117725A JP 26446493 A JP26446493 A JP 26446493A JP 26446493 A JP26446493 A JP 26446493A JP H07117725 A JPH07117725 A JP H07117725A
- Authority
- JP
- Japan
- Prior art keywords
- frame
- side member
- vehicle
- subframe
- sub
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Body Structure For Vehicles (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、電気自動車の車体前
部構造に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle body front structure of an electric vehicle.
【０００２】[0002]
【従来の技術】自動車の車体前部構造としては、例えば
図５，６に示すものである。同図において１は車体側部
に前後方向に沿って設けられたサイドメンバであって、
このサイドメンバ１は車室の下側からエンジンルーム側
にかけて段差部２を有し、エンジンルーム側が高く形成
されている。2. Description of the Related Art A vehicle body front structure is shown, for example, in FIGS. In the figure, 1 is a side member provided along the front-rear direction on the side of the vehicle body,
The side member 1 has a step portion 2 from the lower side of the vehicle compartment to the engine room side, and the engine room side is formed high.
【０００３】３は車幅方向に配置されたサブフレームで
あり、このサブフレーム３は各端部が二股状に形成さ
れ、二股部分の一方はサイドメンバ１の段差部２の後方
に、他方は段差部２の前方に取り付けられるようになっ
ている。尚、４はストラットタワーを示す。Reference numeral 3 denotes a sub-frame arranged in the vehicle width direction. The sub-frame 3 is formed in a bifurcated shape at each end. One of the bifurcated portions is behind the stepped portion 2 of the side member 1 and the other is It is adapted to be attached to the front of the step portion 2. In addition, 4 shows a strut tower.
【０００４】ところで、電気自動車においては、駆動源
として多数のバッテリが必要とされるが、このバッテリ
は、例えば特開昭５２−１６７３３号公報に開示されて
いるように、車体フロアの下側のフレームに複数のバッ
テリをパック化して（ここでは、モータ等も一体化され
ている）取り付けられているものがある。By the way, in an electric vehicle, a large number of batteries are required as a drive source, and these batteries are installed on the lower side of the vehicle body floor as disclosed in, for example, Japanese Patent Laid-Open No. 52-16733. There is a frame in which a plurality of batteries are packed and attached (here, a motor and the like are also integrated).
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、前者に
示す自動車の車体前部構造を電気自動車に適用して、後
者に示すようにバッテリを車体フロアの下側に取り付け
るようにすると、車両前面衝突時にサイドメンバが潰れ
変形し、後方に移動するため、サブフレーム３も後方へ
移動し、その結果サブフレーム３はバッテリパックの前
端に当接してしまう。However, when the vehicle body front structure shown in the former case is applied to an electric vehicle and the battery is attached to the lower side of the vehicle body floor as shown in the latter case, the vehicle front collision occurs. Since the side member is crushed and deformed and moves rearward, the subframe 3 also moves rearward, and as a result, the subframe 3 comes into contact with the front end of the battery pack.
【０００６】このようにバッテリパックの前端がサブフ
レームに当接すると、サブフレームの後方変位が阻害さ
れるため、衝突時に前端側から潰れ変形してきたサイド
メンバの衝突終期の潰れストロークが確保できなくなっ
てしまうという問題が生ずる。When the front end of the battery pack comes into contact with the sub-frame in this way, the rearward displacement of the sub-frame is impeded, so that the crush stroke at the end of collision of the side member, which has been crushed and deformed from the front end side at the time of collision, cannot be secured. The problem arises that it will end up.
【０００７】したがって、車両前面衝突時にサイドメン
バの前端のみで十分に衝突吸収ができるような対策を施
さなくてはならず、コストアップにつながるという問題
がある。Therefore, in the case of a frontal collision of the vehicle, it is necessary to take measures to sufficiently absorb the collision only at the front end of the side member, which causes a problem of cost increase.
【０００８】そこで、この発明は、サイドメンバの潰れ
ストロークを十分確保できる電気自動車の車体前部構造
を提供するものである。[0008] Therefore, the present invention provides a vehicle body front structure of an electric vehicle in which a crush stroke of a side member can be sufficiently ensured.
【０００９】[0009]
【課題を解決するための手段】車体フロアの下位に、複
数のバッテリが載置されたバッテリフレームが取り付け
られている電気自動車の車体前部構造において、車体フ
ロアの両側部には車体前後方向に沿ってサイドメンバが
設けられ、両サイドメンバ間にはバッテリフレームの前
部に隣接して車幅方向に沿うサブフレームが取り付けら
れ、サブフレームの後部上面には後方で下方に向かって
傾斜したガイド面が設けられ、バッテリフレームの前部
下面には、サブフレーム後方移動した際に上記ガイド面
に摺接するスラント部が後方で下方に傾斜して設けられ
ている。In a vehicle body front structure of an electric vehicle in which a battery frame on which a plurality of batteries are mounted is attached below a vehicle body floor, a vehicle body front and rear direction is provided on both sides of the vehicle body floor. A side member is provided along the side frame, and a sub-frame that is adjacent to the front part of the battery frame and extends in the vehicle width direction is attached between both side members. A surface is provided, and a slant portion that slidably contacts the guide surface when the sub frame is moved rearward is provided on the lower lower surface of the front portion of the battery frame so as to be inclined rearward and downward.
【００１０】[0010]
【作用】車両前面衝突時に潰れ変形するサイドメンバが
後方に移動すると、サブフレームが後方移動し、サブフ
レームの後部上面のガイド面がバッテリフレームの前部
下面のスラント部によりもぐりこみ、サブフレームの後
方移動が許容されサイドメンバの後方への移動を可能と
して、衝突終期におけるサイドメンバの潰れストローク
を確保する。When the side member that is crushed and deformed during a frontal collision of the vehicle moves rearward, the subframe moves rearward, and the guide surface on the upper rear portion of the subframe digs into the slant portion on the lower lower portion of the front portion of the battery frame. The movement is allowed and the rearward movement of the side member is possible, and the collapse stroke of the side member at the end of the collision is secured.
【００１１】[0011]
【実施例】以下、この発明の一実施例を図面と共に前記
従来の構成と同一部分を付して説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings and the same parts as those of the conventional structure.
【００１２】図１〜３において、車体フロア５は、フロ
アパネル６と、フロアパネル６の両側下面に前後方向に
沿って設けられたサイドメンバ１及び図外のクロスメン
バ等を有している。サイドメンバ１は前記従来と同様
に、ダッシュパネル７の配置部位付近に段差部２が形成
され、車室の下側においては低く、電動機ルーム側では
高い位置に配置されている。1 to 3, a vehicle body floor 5 has a floor panel 6, side members 1 provided on both lower surfaces of the floor panel 6 along the front-rear direction, a cross member (not shown), and the like. As in the conventional case, the side member 1 has a step portion 2 formed in the vicinity of the position where the dash panel 7 is arranged, and is arranged at a low position on the lower side of the vehicle compartment and a high position on the electric motor room side.
【００１３】両サイドメンバ１の段差部２間にはサブフ
レーム３の両端部が取り付けられている。サブフレーム
３は端部が二股状に形成された部材であって二股部分の
一方は電動機ルーム側のサイドメンバ１の下面に、ま
た、二股部分の他方は車室下側のサイドメンバ１の下面
に取り付けられている。Both end portions of the sub-frame 3 are attached between the step portions 2 of both side members 1. The sub-frame 3 is a member whose end portion is formed into a bifurcated shape. One of the bifurcated portions is on the lower surface of the side member 1 on the electric motor room side, and the other of the bifurcated portions is the lower surface of the side member 1 on the lower side of the vehicle compartment. Is attached to.
【００１４】上記電動機ルーム内のサイドメンバ１には
パワーヘッド８が載置され、このパワーヘッド８の下側
にモータ９と、これに連係されたトランスミッション１
０が配置されている。尚、４はストラットタワーを示
し、１１はサイドメンバ１の前端に取り付けられたクロ
スメンバを示す。A power head 8 is mounted on the side member 1 in the electric motor room, a motor 9 is provided below the power head 8 and a transmission 1 associated with the motor 9.
0 is placed. Reference numeral 4 denotes a strut tower, and 11 denotes a cross member attached to the front end of the side member 1.
【００１５】上記サイドメンバ１の車室の下側には複数
のバッテリＢが載置されたバッテリフレーム１２が着脱
可能に取り付けられている。A battery frame 12 having a plurality of batteries B mounted thereon is detachably attached to the lower side of the passenger compartment of the side member 1.
【００１６】ここで、上記サブフレーム３の後部上面に
は、後方に向かって下側に傾斜したガイド面３Ａが設け
られている。また、このサブフレーム３の後部に対向し
ているバッテリフレーム１２の前部下面には、図４に示
すように、サブフレーム３が後方移動した際にサブフレ
ーム３のガイド面３Ａに摺接するスラント部１２Ａが後
方に向かって下側に傾斜して設けられている。Here, on the upper surface of the rear portion of the sub-frame 3, there is provided a guide surface 3A which is inclined downward toward the rear. Further, as shown in FIG. 4, a slant that slidably contacts the guide surface 3A of the subframe 3 when the subframe 3 moves rearward is provided on the lower surface of the front portion of the battery frame 12 which faces the rear portion of the subframe 3. The portion 12A is provided so as to be inclined rearward and downward.
【００１７】上記実施例構造によれば、車両前面衝突時
にサイドメンバ１の前端に荷重が作用すると図３に示す
ようにこの荷重によってサイドメンバ１は後方に変位し
つつ潰れ変形してゆく。ここで、上記サイドメンバ１が
後方へ変位すると、このサイドメンバ１に取り付けられ
たサブフレーム３も後方に変位するが、サブフレーム３
のガイド面３Ａがバッテリフレーム１２のスラント部１
２Ａにもぐり込むため、サブフレーム３の後方への移
動、即ちサイドメンバ１の後方への移動は許容される。According to the structure of the above embodiment, when a load acts on the front end of the side member 1 during a frontal collision of the vehicle, the side member 1 is displaced rearward and crushed and deformed by this load as shown in FIG. Here, when the side member 1 is displaced rearward, the subframe 3 attached to the side member 1 is also displaced rearward.
Guide surface 3A of the slant portion 1 of the battery frame 12
Since it goes into 2A, the rearward movement of the subframe 3, that is, the rearward movement of the side member 1 is allowed.
【００１８】したがって、サブフレーム３の後部がバッ
テリフレーム１２の前部に衝接し、サブフレーム３が突
っ張り材として機能し、サイドメンバ１の潰れ後期の反
力が大きくなって潰れストロークを十分確保することが
できない従来に比較してサイドメンバ１の潰れストロー
クを衝突の初期から後期まで十分に確保することができ
る。Therefore, the rear portion of the sub-frame 3 abuts against the front portion of the battery frame 12, the sub-frame 3 functions as a tension member, and the reaction force of the side member 1 in the latter half of the crushing is increased to secure a sufficient crushing stroke. It is possible to secure a sufficient crushing stroke of the side member 1 from the initial stage to the latter stage of the collision, as compared with the conventional case where it is not possible.
【００１９】よって、車両前面衝突時における衝撃力を
サイドメンバ１によって十分に吸収することができ、衝
突時の安全性を高めることができる。Therefore, the impact force at the time of a vehicle frontal collision can be sufficiently absorbed by the side member 1, and the safety at the time of a collision can be improved.
【００２０】また、前記モータ９のマウントをサブフレ
ーム３に設定した場合には、車両前面衝突時にサブフレ
ーム３がバッテリフレーム１２によって下方に押し下げ
られることにより、モータ９のマウントも下方に変位す
る。したがって、モータ９が右側（図１において）に回
動し、サイドメンバ１の配設位置から下側に外れること
となるため、サイドメンバ１が潰れる際に、サイドメン
バ１の潰れを阻止しようとする力が小さくなる点で有利
である。When the mount of the motor 9 is set to the sub-frame 3, the sub-frame 3 is pushed downward by the battery frame 12 at the time of a frontal collision of the vehicle, so that the mount of the motor 9 is also displaced downward. Therefore, the motor 9 rotates to the right (in FIG. 1) and comes off from the position where the side member 1 is arranged. Therefore, when the side member 1 is crushed, the crush of the side member 1 is prevented. It is advantageous in that the force to perform is small.
【００２１】[0021]
【発明の効果】以上説明してきたようにこの発明によれ
ば車両前面衝突時に潰れ変形するサイドメンバが後方に
移動すると、このサイドメンバに取り付けられたサブフ
レームのガイド面がバッテリフレームのスラント部によ
ってもぐりこむため、サブフレームの後方移動が許容さ
れ、サイドメンバの潰れストロークを十分に確保するこ
とができ、安全性を高めることができる。As described above, according to the present invention, when the side member which is crushed and deformed at the time of a frontal collision of the vehicle moves rearward, the guide surface of the sub-frame attached to the side member is moved by the slant portion of the battery frame. Since it crawls in, the rearward movement of the sub-frame is allowed, a sufficient crush stroke of the side member can be secured, and safety can be improved.
【図１】この発明の一実施例の側面説明図。FIG. 1 is a side view for explaining an embodiment of the present invention.
【図２】同平面説明図。FIG. 2 is an explanatory view of the same plane.
【図３】車両前面衝突時の側面説明図。FIG. 3 is a side view illustrating a vehicle front collision.
【図４】バッテリフレームの前部を下側から見た斜視
図。FIG. 4 is a perspective view of the front portion of the battery frame as viewed from below.
【図５】従来技術の側面説明図。FIG. 5 is a side view illustrating a conventional technique.
【図６】図５の平面説明図。6 is an explanatory plan view of FIG.
１…サイドメンバ ３…サブフレーム ３Ａ…ガイド面 ５…車体フロア １２…バッテリフレーム １２Ａ…スラント部 1 ... Side member 3 ... Subframe 3A ... Guide surface 5 ... Vehicle body floor 12 ... Battery frame 12A ... Slant part
Claims (1)
載置されたバッテリフレームが取り付けられている電気
自動車の車体前部構造において、車体フロアの両側部に
は車体前後方向に沿ってサイドメンバが設けられ、両サ
イドメンバ間にはバッテリフレームの前部に隣接して車
幅方向に沿うサブフレームが取り付けられ、サブフレー
ムの後部上面には後方で下方に向かって傾斜したガイド
面が設けられ、バッテリフレームの前部下面には、サブ
フレーム後方移動した際に上記ガイド面に摺接するスラ
ント部が後方で下方に傾斜して設けられていることを特
徴とする電気自動車の前部車体構造。1. In a vehicle body front structure of an electric vehicle in which a battery frame on which a plurality of batteries are mounted is attached below a vehicle body floor, side members are provided on both sides of the vehicle body floor along a vehicle front-rear direction. Is provided between the side members, a sub-frame that is adjacent to the front part of the battery frame and extends in the vehicle width direction, and a rear upper surface of the sub-frame is provided with a guide surface inclined rearward and downward. A front vehicle body structure of the electric vehicle, wherein a slant portion which is in sliding contact with the guide surface when the sub frame is moved rearward is provided on a lower surface of a front portion of the battery frame so as to be inclined rearward and downward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26446493A JPH07117725A (en) | 1993-10-22 | 1993-10-22 | Front body structure of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26446493A JPH07117725A (en) | 1993-10-22 | 1993-10-22 | Front body structure of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07117725A true JPH07117725A (en) | 1995-05-09 |
Family
ID=17403583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26446493A Pending JPH07117725A (en) | 1993-10-22 | 1993-10-22 | Front body structure of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07117725A (en) |
Cited By (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09272459A (en) * | 1996-04-05 | 1997-10-21 | Toyota Motor Corp | Front structure of car body of electric vehicle |
| JP2002053076A (en) * | 2000-08-11 | 2002-02-19 | Toyota Auto Body Co Ltd | Front side member structure of vehicle |
| JP2002370544A (en) * | 2001-06-15 | 2002-12-24 | Toyota Motor Corp | On-vehicle structure of fuel battery system |
| JP2006219020A (en) * | 2005-02-10 | 2006-08-24 | Nissan Motor Co Ltd | In-motor compartment component mounting structure, and in-motor compartment impact absorbing structure |
| JP2006240325A (en) * | 2005-02-28 | 2006-09-14 | Toyota Motor Corp | Suspension member fastening structure |
| JP2006281805A (en) * | 2005-03-31 | 2006-10-19 | Mazda Motor Corp | Arrangement structure of vehicular engine auxiliary machine |
| JP2007245954A (en) * | 2006-03-16 | 2007-09-27 | Honda Motor Co Ltd | Front part structure for fuel cell automobile |
| JP2008126796A (en) * | 2006-11-20 | 2008-06-05 | Honda Motor Co Ltd | Vehicle sub-frame structure |
| JP2009061913A (en) * | 2007-09-06 | 2009-03-26 | Mitsubishi Motors Corp | Electric powered vehicle |
| JP2009274666A (en) * | 2008-05-16 | 2009-11-26 | Toyota Motor Corp | Support structure for electric storage device |
| JP2010254110A (en) * | 2009-04-24 | 2010-11-11 | Nissan Motor Co Ltd | Battery mounting structure |
| KR101295087B1 (en) * | 2011-09-26 | 2013-08-09 | 현대자동차주식회사 | Sub Frame Mounting Structure of Hybrid-Electric Vehicle |
| US8511416B2 (en) | 2009-02-27 | 2013-08-20 | Nissan Motor Co., Ltd. | Motor supporting structure |
| JP2016002795A (en) * | 2014-06-13 | 2016-01-12 | 三菱自動車工業株式会社 | Battery protection structure of vehicle |
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| JP2017171000A (en) * | 2016-03-22 | 2017-09-28 | 株式会社Ｓｕｂａｒｕ | Shock cushioning mechanism for vehicle |
| CN108791497A (en) * | 2017-04-28 | 2018-11-13 | 丰田自动车株式会社 | Vehicle front body structure |
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| CN109808772A (en) * | 2019-03-13 | 2019-05-28 | 贵州长江汽车有限公司 | A kind of electric car fore sub frame and front suspension apparatus |
| EP3556591A1 (en) | 2018-04-20 | 2019-10-23 | Honda Motor Co., Ltd. | Vehicle body front structure for electric vehicle |
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| CN110861711A (en) * | 2018-08-07 | 2020-03-06 | 丰田自动车株式会社 | Vehicle front structure |
| US20200180697A1 (en) * | 2018-12-10 | 2020-06-11 | Hyundai Motor Company | Vehicle frame |
| JP2021030889A (en) * | 2019-08-23 | 2021-03-01 | マツダ株式会社 | Protection structure of power storage device |
| US10988036B2 (en) | 2019-02-12 | 2021-04-27 | Hyundai Motor Company | Protective apparatus for high voltage battery of vehicle |
| CN113386704A (en) * | 2020-03-11 | 2021-09-14 | 安波福技术有限公司 | Detection device |
| WO2022089914A1 (en) * | 2020-10-30 | 2022-05-05 | Bayerische Motoren Werke Aktiengesellschaft | Energy storage floor assembly for an electrically drivable motor vehicle |
-
1993
- 1993-10-22 JP JP26446493A patent/JPH07117725A/en active Pending
Cited By (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09272459A (en) * | 1996-04-05 | 1997-10-21 | Toyota Motor Corp | Front structure of car body of electric vehicle |
| JP2002053076A (en) * | 2000-08-11 | 2002-02-19 | Toyota Auto Body Co Ltd | Front side member structure of vehicle |
| JP2002370544A (en) * | 2001-06-15 | 2002-12-24 | Toyota Motor Corp | On-vehicle structure of fuel battery system |
| JP4736245B2 (en) * | 2001-06-15 | 2011-07-27 | トヨタ自動車株式会社 | Electric vehicle and its assembly method |
| JP4736455B2 (en) * | 2005-02-10 | 2011-07-27 | 日産自動車株式会社 | Motor room component mounting structure and motor room shock absorption structure |
| JP2006219020A (en) * | 2005-02-10 | 2006-08-24 | Nissan Motor Co Ltd | In-motor compartment component mounting structure, and in-motor compartment impact absorbing structure |
| JP2006240325A (en) * | 2005-02-28 | 2006-09-14 | Toyota Motor Corp | Suspension member fastening structure |
| JP2006281805A (en) * | 2005-03-31 | 2006-10-19 | Mazda Motor Corp | Arrangement structure of vehicular engine auxiliary machine |
| JP2007245954A (en) * | 2006-03-16 | 2007-09-27 | Honda Motor Co Ltd | Front part structure for fuel cell automobile |
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