JP4063098B2 - Battery support device - Google Patents

Battery support device Download PDF

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Publication number
JP4063098B2
JP4063098B2 JP2003034505A JP2003034505A JP4063098B2 JP 4063098 B2 JP4063098 B2 JP 4063098B2 JP 2003034505 A JP2003034505 A JP 2003034505A JP 2003034505 A JP2003034505 A JP 2003034505A JP 4063098 B2 JP4063098 B2 JP 4063098B2
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Prior art keywords
battery
vehicle body
holding
load
bracket
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JP2004243847A (en
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政文 内田
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Nissan Motor Co Ltd
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Nissan Motor Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Description

本発明は、エンジンルーム内に配設されるバッテリ支持装置の改良に関するものである。
【０００１】
【発明の属する技術分野】
【０００２】
【従来の技術】
従来から、バッテリ支持装置には、エンジンルームを構成するフッドリッジパネルにバッテリを載置するバッテリ載置ブラケットを設け、バッテリを押さえ部材と押さえロッドとにより固定する構成のものが知られている（特許文献等１）。
【０００３】
また、そのバッテリ支持装置には、図６に示すように、エンジンルーム１を上方から覆うフード２内の下方でかつ車体前後方向に延びる車体骨格部材としてのサイドメンバー３にバッテリ４を載置するバッテリ載置ブラケット５を溶接により固定し、バッテリ載置ブラケット５に載置されたバッテリ４を、押さえ部材７と押さえ部材７の両端部に設けられた一対の押さえロッド８、８とにより協同して押さえ着ける構成のものもある。
【０００４】
この図６に示す従来のバッテリ支持装置では、押さえロッド８、８の屈曲基部８ａ、８ａをバッテリ載置ブラケット５の起立フランジ部５ａ、５ａに形成された係止穴５ｂ、５ｂに挿通し、押さえロッド８、８の先端部分を押さえ部材７の両端部に形成された挿通穴７ａ、７ａに挿通して、その押さえロッド８、８の先端部分に形成されたネジ部８ｂ、８ｂにナット９、９を螺合することにより、バッテリ４を下方に向けて押さえ着けてバッテリ載置ブラケット５に載置固定するようになっている。なお、その図６において、符号１０は、エンジンルーム１の一部を構成するフードリッジロワー部材である。
【０００５】
【特許文献１】
特開平０５−１８５８８６号公報（図８参照）
【０００６】
【発明が解決しようとする課題】
ところで、この図６に示す従来のバッテリ支持装置では、バッテリ４とフード２とのスペースＳが小さく、剛性の高いサイドメンバー３にバッテリ載置ブラケット５が載置固定される構成となっているため、被衝突物が上方からフード２に衝突したときにフード２の変形ストロークを確保できず、衝突によるエネルギー吸収が不十分であるという不都合がある。
【０００７】
フード２とバッテリ４とのスペースＳを十分に大きく確保できるように、フード２の高さを高くするようにすることは考えられるが、そのようにすると、造形の自由度がその分減少する。
【０００８】
本発明の目的は、上記に鑑み、バッテリの直下に剛性の高い車体骨格部材が存在する場合でも、バッテリとフードとのスペースをことさらに大きくすることなく、衝突によるエネルギー吸収を図ることのできるバッテリ支持装置を提供する。
【０００９】
【課題を解決するための手段】
請求項１に記載のバッテリ支持装置は、エンジンルームを上方から覆うフード内の下方でかつ車体前後方向に延びる車体骨格部材に固定されてバッテリを載置するバッテリ載置ブラケットと、前記車体骨格部材に設けられて前記バッテリに上方から所定値以上の荷重が加わったときに該バッテリをその下方への回動変位を許容しつつ保持するバッテリ保持手段とを有し、前記バッテリ載置ブラケットと前記車体骨格部材との間に、前記バッテリに上方から下方に向かう荷重が加わった際にその荷重が所定値以下のときにはそのバッテリの回動変位を阻止しかつ該荷重が所定値を超えるときにはその回動を許容するバネ力を有するバネ部材が設けられていることを特徴とする。
【００１０】
請求項１に記載の発明によれば、バッテリに所定値以上の荷重が上方から下方に向けて加わったとき、バッテリが下方に回動変位することとなるので、フードの変形ストロークを確保できることになって、衝突エネルギーの吸収をバッテリとフードとのスペースをことさらに大きくすることなく図ることができる。
また、バッテリに荷重が加わった際の回動変位荷重を容易に設定できる。加えて、バネ部材の付勢力、バネ力を調節することにより、バッテリの重量を車体振動に対するダイナミックダンパーとしても利用できる。
【００１３】
請求項２に記載のバッテリ支持装置は、エンジンルームを上方から覆うフード内の下方でかつ車体前後方向に延びる車体骨格部材に固定されてバッテリを載置するバッテリ載置ブラケットと、前記車体骨格部材に設けられて前記バッテリに上方から所定値以上の荷重が加わったときに該バッテリをその下方への回動変位を許容しつつ保持するバッテリ保持手段とを有し、該バッテリ保持手段は、車体前後方向に延びて前記バッテリ載置ブラケットに載置されたバッテリを押さえ着ける押さえ部材と、該押さえ部材の両端部に設けられた一対の押さえロッドと、前記車体骨格部材の延びる方向に間隔を開けて設けられかつ前記一対の押さえロッドの屈曲基部を回動支点にして前記バッテリを回動可能に保持する軸受け用ブラケットとを備え、前記バッテリ載置ブラケットと前記車体骨格部材との間に、前記バッテリに上方から下方に向かう荷重が加わった際にその荷重が所定値以下のときにはそのバッテリの回動変位を阻止しかつ該荷重が所定値を超えるときにはその回動を許容するバネ力を有するバネ部材が設けられていることを特徴とする。
【００１４】
請求項２に記載の発明によれば、請求項１に記載の発明の効果と同様の効果を奏すると共に、従来のバッテリ支持装置の構成を大幅に変更することなく回動保持手段を容易に形成できる。
【００１５】
請求項３に記載のバッテリ支持装置は、エンジンルームを上方から覆うフード内の下方でかつ車体前後方向に延びる車体骨格部材に固定されてバッテリを載置するバッテリ載置ブラケットと、前記車体骨格部材に設けられて前記バッテリに上方から所定値以上の荷重が加わったときに該バッテリをその下方への回動変位を許容しつつ保持するバッテリ保持手段とを有し、該バッテリ保持手段は、車体前後方向に延びて前記バッテリ載置ブラケットに載置されたバッテリを押さえ着ける押さえ部材と、該押さえ部材の両端部に設けられた一対の押さえロッドと、前記車体骨格部材の延びる方向に間隔を開けて設けられかつ前記一対の押さえロッドの屈曲基部を回動支点にして前記バッテリを回動可能に保持する軸受け用ブラケットとを備え、前記バッテリ載置ブラケットと前記車体骨格部材との間にバッテリ支持ブラケットが設けられ、該バッテリ支持ブラケットは前記バッテリ支持ブラケットに溶接固定される端面板部と前記車体骨格部材に締結固定される端面板部とを有し、前記バッテリ支持部材の前記車体骨格部材に固定される端面板部には前記車体骨格部材に該バッテリ支持ブラケットを締結部材により締結固定するための挿通穴が形成され、該挿通穴には前記バッテリに上方から所定値以上の荷重が加わったときに前記締結部材による固定を解除するために前記挿通穴の穴径よりも大きな穴径の解除穴が連接して形成されていることを特徴とする。
【００１６】
請求項３に記載の発明によれば、バッテリに所定値以上の荷重が上方から下方に向けて加わったとき、バッテリが下方に回動変位することとなるので、フードの変形ストロークを確保できることになって、衝突エネルギーの吸収をバッテリとフードとのスペースをことさらに大きくすることなく図ることができる。
また、従来のバッテリ支持装置の構成を大幅に変更することなく回動保持手段を容易に形成できる。
更に、バッテリ支持ブラケットと車体骨格部材との結合の解除構成の簡便化を図ることができる。
【００１７】
【発明の実施の形態】
図１は本発明に係わるバッテリ支持装置の断面図であって、この図１において、１１は車体前後方向に延びる車体骨格部材としての閉断面形状のサイドメンバー、１２はフードリッジ、１３はフードである。そのサイドメンバー１１には、フード１３の下方でエンジンルーム１４内側にバッテリ１５を載置するための箱形形状のバッテリ載置ブラケット１６が設けられている。このバッテリ載置ブラケット１６とサイドメンバー１１との間にはバッテリ支持ブラケット１７が設けられている。バッテリ支持ブラケット１７はここでは逆Ｌ字形状とされている。
【００１８】
このバッテリ支持ブラケット１７はその端面板部１７ａが結合解除手段としてのソフトマウント部材１９を介してサイドメンバー１１の側壁部１１ａに固定されている。ソフトマウント部材１９は上方から所定値以上の荷重が加えられた場合に例えば破損するように構成されている。
【００１９】
バッテリ載置ブラケット１６はサイドメンバー１１の上壁１１ｂとバッテリ支持ブラケット１７の端面板部１７ｂとに溶接固定されている。そのバッテリ載置ブラケット１６は図２に示すように車体前後方向に間隔を開けて設けられた一対の起立フランジ１６ａ、１６ａと車幅方向に間隔を開けて設けられた一対の起立フランジ１６ｂ、１６ｂとを有する。
【００２０】
バッテリ１５はバッテリ載置ブラケット１６に載置された状態で、車体前後方向に延びる押さえ部材２０、押さえロッド２１、２１、ナット２２、２２によりバッテリ載置ブラケット１６に載置固定されるもので、一対の起立フランジ１６ａ、１６ａには係止穴１６ｃ、１６ｃが形成されている。この係止穴１６ｃ、１６ｃには押さえロッド２１、２１の屈曲基部２１ａ、２１ａが挿通される。
【００２１】
押さえ部材２０の両端部には押さえロッド２１、２１の先端部分を挿通する挿通穴２０ａ、２０ａが形成され、その押さえロッド２１、２１の先端部分にはネジ部２１ｂ、２１ｂが形成されている。
【００２２】
そのネジ部２１ｂ、２１ｂにはナット２２、２２が螺合され、押さえ部材２０によりバッテリ１５を下方に向けて押さえ着けることにより、バッテリ１５はバッテリ載置ブラケット１６に締め付け固定される。
【００２３】
そのサイドメンバー１１の上壁１１ｂには、図２に示すように、車体前後方向に間隔を開けてかつバッテリ載置ブラケット１６を間に介在させてその両側に一対の軸受け用ブラケット２３、２３が設けられている。この軸受け用ブラケット２３、２３には押さえロッド２１、２１の屈曲基部２１ａ、２１ａが挿通されている。
【００２４】
その押さえ部材２０、押さえロッド２１、２１、軸受け用ブラケット２３、２３は、バッテリ１５に上方から所定値以上の荷重が下方に向けて加わってバッテリ支持ブラケット１７とサイドメンバー１１との結合が解除されたときに、バッテリ１５をその回動変位を許容しつつ保持するバッテリ保持手段１８としての役割を果たす。
【００２５】
この発明の実施の形態によれば、バッテリ１５に上方から所定値以上の荷重が矢印Ａ方向に加わってソフトマウント部材１９が破損すると、バッテリ１５が押さえロッド２１の屈曲基部２１ａを支点にして二点鎖線で示すように回動変位するので、フード１３の変形ストロークを大きくすることができ、バッテリ１５とフード１３とのスペースＳをことさらに大きくすることなく衝突エネルギーの吸収を図ることができる。
（変形例１）
この変形例１では、バッテリ支持ブラケット１７、ソフトマウント部材１９の代わりに、図３に示すように、バッテリ載置ブラケット１６とサイドメンバー１１との間にバネ部材２３を設ける構成としたものである。
【００２６】
そのバネ部材２３の一端部２３ａはサイドメンバー１１の側壁１１ａに溶接固定され、そのバネ部材２３の他端部２３ｂはバッテリ載置ブラケット１６に溶接固定されている。そのバネ部材２３にはバッテリ１５に上方から下方に向かう荷重が加わった際にその荷重が所定値以下のときにはそのバッテリ１５が回動変位するのを阻止しかつその荷重が所定値を超えるときにはその回動を許容するバネ力が与えられている。
【００２７】
これにより、バッテリ１５に荷重が加わった際の回動開始荷重値の設定が容易となる。
【００２８】
また、バネ部材２３のバネ力を調節設定することにより、バッテリ１５の重量を車体振動に対するダイナミックダンパーとしても利用できる。
（変形例２）
この変形例２では、図４、図５に示すように、バッテリ支持ブラケット１７の端面板部１７ａに挿通穴１７ｃを形成すると共に、サイドメンバー１１の側壁１１ａに挿通穴１１ｃを形成し、バッテリ支持ブラケット１７とサイドメンバー１１の側壁１１ａとを締結部材としてのボルト２４とナット２５とにより締結する構成とする一方、バッテリ１５に上方から下方に向けて所定値以上の荷重が加わったときにボルト２４、ナット２５による固定を解除するための解除手段として、図５に拡大して示すように、バッテリ支持ブラケット１７の挿通穴１７ｃに連接してこの挿通穴１７ｃの穴径よりも大きな穴径の解除穴１７ｄを形成することにしたものである。
【００２９】
この変形例２によれば、バッテリ１５に上方から下方に向かう荷重が所定値以上になると、挿通穴１７ｃと解除穴１７ｄとの間の連接するくびれ部分１７ｅが変形することにより、ボルト２４とナット２５とによる締結力が弱まり、サイドメンバー１１とバッテリ支持ブラケット１７との結合が解除されるようになっている。
【００３０】
この変形例２によれば、バッテリ支持ブラケット１７とサイドメンバー１１との結合を解除する解除手段の構成の容易化を図ることができる。
【００３１】
【発明の効果】
請求項１に記載の発明によれば、バッテリに所定値以上の荷重が上方から下方に向けて加わったとき、バッテリが下方に回動変位することとなるので、フードの変形ストロークを確保できることになって、衝突エネルギーの吸収をバッテリとフードとのスペースをことさらに大きくすることなく図ることができる。
また、バッテリに荷重が加わった際の回動変位荷重を容易に設定できる。加えて、バネ部材の付勢力、バネ力を調節することにより、バッテリの重量を車体振動に対するダイナミックダンパーとしても利用できる。
【００３３】
請求項２に記載の発明によれば、請求項１に記載の発明の効果と同様の効果を奏すると共に、従来のバッテリ支持装置の構成を大幅に変更することなく回動保持手段を容易に形成できる。
【００３４】
請求項３に記載の発明によれば、バッテリに所定値以上の荷重が上方から下方に向けて加わったとき、バッテリが下方に回動変位することとなるので、フードの変形ストロークを確保できることになって、衝突エネルギーの吸収をバッテリとフードとのスペースをことさらに大きくすることなく図ることができる。
また、従来のバッテリ支持装置の構成を大幅に変更することなく回動保持手段を容易に形成できる。
更に、バッテリ支持ブラケットと車体骨格部材との結合の解除構成の簡便化を図ることができる。
【図面の簡単な説明】
【図１】 本発明に係わるバッテリ支持装置の構成を示す要部断面図である。
【図２】 図１に示すバッテリ支持装置を矢印Ｘ方向から目視した図である。
【図３】 図１に示すバッテリ支持装置の第１変形例を示す図である。
【図４】 図１に示すバッテリ支持装置の第２変形例を示す図である。
【図５】 図４に示すバッテリ支持装置のバッテリ支持ブラケットとボルトとの結合関係を分解して拡大して示す分解斜視図である。
【図６】 従来のバッテリ支持装置の構成を示す要部断面図である。
【符号の説明】
１１…サイドメンバー（車体骨格部材）
１３…フード
１４…エンジンルーム
１５…バッテリ
１６…バッテリ載置ブラケット
１８…バッテリ保持手段The present invention relates to an improvement of a battery support device disposed in an engine room.
[0001]
BACKGROUND OF THE INVENTION
[0002]
[Prior art]
Conventionally, a battery support device having a battery mounting bracket for mounting a battery on a hood panel constituting an engine room and fixing the battery with a pressing member and a pressing rod has been known ( Patent literature 1).
[0003]
In addition, as shown in FIG. 6, in the battery support device, a battery 4 is placed on a side member 3 as a vehicle body skeleton member that extends in the front-rear direction of the vehicle body below the hood 2 that covers the engine room 1 from above. The battery mounting bracket 5 is fixed by welding, and the battery 4 mounted on the battery mounting bracket 5 is cooperated by a pressing member 7 and a pair of pressing rods 8, 8 provided at both ends of the pressing member 7. Some configurations can be held down.
[0004]
In the conventional battery support device shown in FIG. 6, the bent base portions 8a and 8a of the holding rods 8 and 8 are inserted into the locking holes 5b and 5b formed in the standing flange portions 5a and 5a of the battery mounting bracket 5, The distal ends of the holding rods 8 and 8 are inserted into the insertion holes 7a and 7a formed at both ends of the holding member 7, and the nuts 9 are connected to the screw portions 8b and 8b formed at the distal ends of the holding rods 8 and 8. , 9 are screwed together so that the battery 4 is pressed downward and fixed to the battery mounting bracket 5. In FIG. 6, reference numeral 10 denotes a hood ridge lower member constituting a part of the engine room 1.
[0005]
[Patent Document 1]
Japanese Patent Laid-Open No. 05-185886 (see FIG. 8)
[0006]
[Problems to be solved by the invention]
By the way, in the conventional battery support device shown in FIG. 6, the space S between the battery 4 and the hood 2 is small, and the battery mounting bracket 5 is mounted and fixed on the side member 3 having high rigidity. When the collision object collides with the hood 2 from above, there is a disadvantage that the deformation stroke of the hood 2 cannot be secured and the energy absorption due to the collision is insufficient.
[0007]
Although it is conceivable to increase the height of the hood 2 so that the space S between the hood 2 and the battery 4 can be secured sufficiently large, the degree of freedom of modeling decreases accordingly.
[0008]
In view of the above, an object of the present invention is to provide a battery capable of absorbing energy due to a collision without increasing the space between the battery and the hood even when a highly rigid vehicle body skeleton member exists directly under the battery. A support device is provided.
[0009]
[Means for Solving the Problems]
The battery support device according to claim 1 is a battery mounting bracket that mounts a battery by being fixed to a vehicle body skeleton member that extends in a longitudinal direction of the vehicle body in a lower part of a hood that covers the engine room from above, and the vehicle body skeleton member Battery holding means for holding the battery while allowing a downward displacement of the battery when a load of a predetermined value or more is applied to the battery from above, and the battery mounting bracket and the battery When a load from the upper side to the lower side is applied to the battery between the vehicle body frame member and the load is below a predetermined value, the rotational displacement of the battery is prevented, and when the load exceeds a predetermined value, the rotation is stopped. A spring member having a spring force allowing movement is provided.
[0010]
According to the first aspect of the present invention, when a load of a predetermined value or more is applied to the battery from the upper side to the lower side, the battery is rotationally displaced downward, so that the deformation stroke of the hood can be secured. Thus, the collision energy can be absorbed without further increasing the space between the battery and the hood.
In addition, the rotational displacement load when a load is applied to the battery can be easily set. In addition, by adjusting the biasing force and spring force of the spring member, the weight of the battery can be used as a dynamic damper against vehicle body vibration.
[0013]
The battery support device according to claim 2 is a battery mounting bracket that mounts a battery by being fixed to a vehicle body skeleton member that extends in a longitudinal direction of the vehicle body in a hood that covers the engine room from above, and the vehicle body skeleton member And a battery holding means for holding the battery while allowing a downward displacement of the battery when a load of a predetermined value or more is applied to the battery from above. A pressing member that extends in the front-rear direction and holds down the battery mounted on the battery mounting bracket, a pair of pressing rods provided at both ends of the pressing member, and an interval in the direction in which the vehicle body skeleton member extends. And a bearing bracket for rotatably holding the battery with the bent base portion of the pair of holding rods as a rotation fulcrum. When a load from the upper side to the lower side is applied to the battery between the battery mounting bracket and the vehicle body skeleton member, if the load is below a predetermined value, the rotational displacement of the battery is prevented and the load is predetermined. A spring member having a spring force that allows the rotation when the value is exceeded is provided.
[0014]
According to the invention described in claim 2, while having the same effect as that of the invention described in claim 1, the rotation holding means can be easily formed without significantly changing the configuration of the conventional battery support device. it can.
[0015]
The battery support device according to claim 3 is a battery mounting bracket that mounts a battery by being fixed to a vehicle body skeleton member that extends in the front-rear direction of the vehicle body under the hood that covers the engine room from above, and the vehicle body skeleton member And a battery holding means for holding the battery while allowing a downward displacement of the battery when a load of a predetermined value or more is applied to the battery from above. A pressing member that extends in the front-rear direction and holds down the battery mounted on the battery mounting bracket, a pair of pressing rods provided at both ends of the pressing member, and an interval in the direction in which the vehicle body skeleton member extends. bending the base of the provided and said pair of presser rods Te in the pivot point and a bearing bracket which holds the battery rotatably, before A battery support bracket is provided between the battery mounting bracket and the vehicle body skeleton member, and the battery support bracket is welded and fixed to the battery support bracket and an end surface plate portion fastened and fixed to the vehicle body skeleton member. And an insertion hole for fastening and fixing the battery support bracket to the vehicle body skeleton member with a fastening member is formed in the end plate portion fixed to the vehicle body skeleton member of the battery support member. In order to release the fixation by the fastening member when a load of a predetermined value or more is applied to the battery from above, a release hole having a larger hole diameter than the hole diameter of the insertion hole is connected to the battery. It is characterized by.
[0016]
According to the third aspect of the present invention, when a load of a predetermined value or more is applied to the battery from the upper side to the lower side, the battery is rotationally displaced downward, so that the deformation stroke of the hood can be secured. Thus, the collision energy can be absorbed without further increasing the space between the battery and the hood.
Moreover, the rotation holding means can be easily formed without significantly changing the configuration of the conventional battery support device.
Further, it is possible to simplify the structure for releasing the connection between the battery support bracket and the vehicle body skeleton member.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 is a cross-sectional view of a battery support device according to the present invention. In FIG. 1, 11 is a side member having a closed cross section as a vehicle body skeleton member extending in the longitudinal direction of the vehicle body, 12 is a hood ridge, and 13 is a hood. is there. The side member 11 is provided with a box-shaped battery mounting bracket 16 for mounting the battery 15 inside the engine room 14 below the hood 13. A battery support bracket 17 is provided between the battery mounting bracket 16 and the side member 11. Here, the battery support bracket 17 has an inverted L shape.
[0018]
The battery support bracket 17 has an end face plate portion 17a fixed to the side wall portion 11a of the side member 11 via a soft mount member 19 as a coupling release means. The soft mount member 19 is configured to be damaged, for example, when a load of a predetermined value or more is applied from above.
[0019]
The battery mounting bracket 16 is welded and fixed to the upper wall 11 b of the side member 11 and the end face plate portion 17 b of the battery support bracket 17. As shown in FIG. 2, the battery mounting bracket 16 includes a pair of upright flanges 16a and 16a provided at intervals in the longitudinal direction of the vehicle body and a pair of upright flanges 16b and 16b provided at intervals in the vehicle width direction. And have.
[0020]
The battery 15 is mounted on the battery mounting bracket 16 by a pressing member 20, pressing rods 21, 21, nuts 22, 22 that extend in the vehicle body front-rear direction while being mounted on the battery mounting bracket 16. Locking holes 16c and 16c are formed in the pair of standing flanges 16a and 16a. The bent bases 21a and 21a of the holding rods 21 and 21 are inserted into the locking holes 16c and 16c.
[0021]
Insertion holes 20a and 20a are formed at both ends of the pressing member 20 so as to pass through the tip portions of the pressing rods 21 and 21, and screw portions 21b and 21b are formed at the tip portions of the pressing rods 21 and 21, respectively.
[0022]
Nuts 22, 22 are screwed onto the screw portions 21 b, 21 b, and the battery 15 is clamped and fixed to the battery mounting bracket 16 by pressing the battery 15 downward by the pressing member 20.
[0023]
As shown in FIG. 2, a pair of bearing brackets 23, 23 are provided on both sides of the upper wall 11b of the side member 11 with a battery mounting bracket 16 interposed therebetween with a space in the longitudinal direction of the vehicle body. Is provided. The bent bases 21a and 21a of the holding rods 21 and 21 are inserted into the bearing brackets 23 and 23, respectively.
[0024]
The holding member 20, the holding rods 21 and 21, and the bearing brackets 23 and 23 are applied with a load of a predetermined value or more downward from the upper side to the battery 15, and the connection between the battery support bracket 17 and the side member 11 is released. The battery 15 holds the battery 15 while allowing its rotational displacement.
[0025]
According to the embodiment of the present invention, when a load of a predetermined value or more is applied to the battery 15 from above in the direction of the arrow A and the soft mount member 19 is damaged, the battery 15 can be Since it is rotationally displaced as shown by the chain line, the deformation stroke of the hood 13 can be increased, and the collision energy can be absorbed without further increasing the space S between the battery 15 and the hood 13.
(Modification 1)
In the first modification, instead of the battery support bracket 17 and the soft mount member 19, as shown in FIG. 3, a spring member 23 is provided between the battery mounting bracket 16 and the side member 11. .
[0026]
One end 23 a of the spring member 23 is welded and fixed to the side wall 11 a of the side member 11, and the other end 23 b of the spring member 23 is welded and fixed to the battery mounting bracket 16. When a load from the upper side to the lower side is applied to the battery member 15 when the load is below a predetermined value, the spring member 23 is prevented from rotating and displacing the battery 15 and when the load exceeds a predetermined value, A spring force allowing rotation is applied.
[0027]
Thereby, setting of the rotation start load value when a load is applied to the battery 15 is facilitated.
[0028]
Further, by adjusting and setting the spring force of the spring member 23, the weight of the battery 15 can be used as a dynamic damper against vehicle body vibration.
(Modification 2)
In the second modification, as shown in FIGS. 4 and 5, the insertion hole 17 c is formed in the end plate portion 17 a of the battery support bracket 17, and the insertion hole 11 c is formed in the side wall 11 a of the side member 11 to support the battery. While the bracket 17 and the side wall 11a of the side member 11 are fastened by bolts 24 and nuts 25 as fastening members, the bolts 24 are loaded when a load of a predetermined value or more is applied to the battery 15 from above to below. As a releasing means for releasing the fixing by the nut 25, as shown in an enlarged view in FIG. 5, the hole diameter larger than the hole diameter of the insertion hole 17c connected to the insertion hole 17c of the battery support bracket 17 is released. The hole 17d is to be formed.
[0029]
According to the second modification, when the load from the upper side to the lower side of the battery 15 exceeds a predetermined value, the constricted portion 17e between the insertion hole 17c and the release hole 17d is deformed, whereby the bolt 24 and the nut The fastening force by 25 is weakened, and the coupling between the side member 11 and the battery support bracket 17 is released.
[0030]
According to the second modification, it is possible to facilitate the configuration of the release means for releasing the connection between the battery support bracket 17 and the side member 11.
[0031]
【The invention's effect】
According to the first aspect of the present invention, when a load of a predetermined value or more is applied to the battery from the upper side to the lower side, the battery is rotationally displaced downward, so that the deformation stroke of the hood can be secured. Thus, the collision energy can be absorbed without further increasing the space between the battery and the hood.
In addition, the rotational displacement load when a load is applied to the battery can be easily set. In addition, by adjusting the biasing force and spring force of the spring member, the weight of the battery can be used as a dynamic damper against vehicle body vibration.
[0033]
According to the invention described in claim 2, while having the same effect as that of the invention described in claim 1, the rotation holding means can be easily formed without significantly changing the configuration of the conventional battery support device. it can.
[0034]
According to the third aspect of the present invention, when a load of a predetermined value or more is applied to the battery from the upper side to the lower side, the battery is rotationally displaced downward, so that the deformation stroke of the hood can be secured. Thus, the collision energy can be absorbed without further increasing the space between the battery and the hood.
Moreover, the rotation holding means can be easily formed without significantly changing the configuration of the conventional battery support device.
Further, it is possible to simplify the structure for releasing the connection between the battery support bracket and the vehicle body skeleton member.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of a main part showing a configuration of a battery support device according to the present invention.
2 is a view of the battery support device shown in FIG. 1 as viewed from the direction of an arrow X. FIG.
FIG. 3 is a view showing a first modification of the battery support device shown in FIG. 1;
FIG. 4 is a diagram showing a second modification of the battery support device shown in FIG. 1;
5 is an exploded perspective view showing an exploded and enlarged view of a connection relationship between a battery support bracket and a bolt of the battery support device shown in FIG. 4; FIG.
FIG. 6 is a cross-sectional view of a main part showing a configuration of a conventional battery support device.
[Explanation of symbols]
11 ... Side member (body frame member)
13 ... Hood 14 ... Engine room 15 ... Battery 16 ... Battery mounting bracket 18 ... Battery holding means

Claims (3)

エンジンルームを上方から覆うフード内の下方でかつ車体前後方向に延びる車体骨格部材に固定されてバッテリを載置するバッテリ載置ブラケットと、前記車体骨格部材に設けられて前記バッテリに上方から所定値以上の荷重が加わったときに該バッテリをその下方への回動変位を許容しつつ保持するバッテリ保持手段とを有し、前記バッテリ載置ブラケットと前記車体骨格部材との間に、前記バッテリに上方から下方に向かう荷重が加わった際にその荷重が所定値以下のときにはそのバッテリの回動変位を阻止しかつ該荷重が所定値を超えるときにはその回動を許容するバネ力を有するバネ部材が設けられていることを特徴とするバッテリ支持装置。A battery mounting bracket for mounting a battery, which is fixed to a vehicle body skeleton member extending in the longitudinal direction of the vehicle body under the hood that covers the engine room from above, and a predetermined value from above on the battery provided on the vehicle body skeleton member Battery holding means for holding the battery while allowing downward rotation displacement when the above load is applied , between the battery mounting bracket and the vehicle body frame member, A spring member having a spring force that prevents rotational displacement of the battery when a load from the upper side to the lower side is applied when the load is below a predetermined value and allows the rotation when the load exceeds a predetermined value. A battery support device provided. エンジンルームを上方から覆うフード内の下方でかつ車体前後方向に延びる車体骨格部材に固定されてバッテリを載置するバッテリ載置ブラケットと、前記車体骨格部材に設けられて前記バッテリに上方から所定値以上の荷重が加わったときに該バッテリをその下方への回動変位を許容しつつ保持するバッテリ保持手段とを有し、該バッテリ保持手段は、車体前後方向に延びて前記バッテリ載置ブラケットに載置されたバッテリを押さえ着ける押さえ部材と、該押さえ部材の両端部に設けられた一対の押さえロッドと、前記車体骨格部材の延びる方向に間隔を開けて設けられかつ前記一対の押さえロッドの屈曲基部を回動支点にして前記バッテリを回動可能に保持する軸受け用ブラケットとを備え、前記バッテリ載置ブラケットと前記車体骨格部材との間に、前記バッテリに上方から下方に向かう荷重が加わった際にその荷重が所定値以下のときにはそのバッテリの回動変位を阻止しかつ該荷重が所定値を超えるときにはその回動を許容するバネ力を有するバネ部材が設けられていることを特徴とするバッテリ支持装置。 A battery mounting bracket for mounting a battery, which is fixed to a vehicle body skeleton member extending in the longitudinal direction of the vehicle body under the hood that covers the engine room from above, and a predetermined value from above on the battery provided on the vehicle body skeleton member Battery holding means for holding the battery while allowing downward displacement when the load is applied, the battery holding means extending in the longitudinal direction of the vehicle body and extending to the battery mounting bracket. A holding member for holding and mounting the mounted battery; a pair of holding rods provided at both ends of the holding member; and a bending of the pair of holding rods provided at intervals in the extending direction of the vehicle body skeleton member A bearing bracket that rotatably supports the battery with a base as a pivot, and the battery mounting bracket and the vehicle body bone When a load from the upper side to the lower side is applied to the battery between the member and the load, the rotation of the battery is prevented when the load is below a predetermined value, and when the load exceeds the predetermined value, the rotation is stopped. A battery support device comprising a spring member having an allowable spring force . エンジンルームを上方から覆うフード内の下方でかつ車体前後方向に延びる車体骨格部材に固定されてバッテリを載置するバッテリ載置ブラケットと、前記車体骨格部材に設けられて前記バッテリに上方から所定値以上の荷重が加わったときに該バッテリをその下方への回動変位を許容しつつ保持するバッテリ保持手段とを有し、該バッテリ保持手段は、車体前後方向に延びて前記バッテリ載置ブラケットに載置されたバッテリを押さえ着ける押さえ部材と、該押さえ部材の両端部に設けられた一対の押さえロッドと、前記車体骨格部材の延びる方向に間隔を開けて設けられかつ前記一対の押さえロッドの屈曲基部を回動支点にして前記バッテリを回動可能に保持する軸受け用ブラケットとを備え、前記バッテリ載置ブラケットと前記車体骨格部材との間にバッテリ支持ブラケットが設けられ、該バッテリ支持ブラケットは前記バッテリ支持ブラケットに溶接固定される端面板部と前記車体骨格部材に締結固定される端面板部とを有し、前記バッテリ支持部材の前記車体骨格部材に固定される端面板部には前記車体骨格部材に該バッテリ支持ブラケットを締結部材により締結固定するための挿通穴が形成され、該挿通穴には前記バッテリに上方から所定値以上の荷重が加わったときに前記締結部材による固定を解除するために前記挿通穴の穴径よりも大きな穴径の解除穴が連接して形成されていることを特徴とするバッテリ支持装置。 A battery mounting bracket for mounting a battery, which is fixed to a vehicle body skeleton member extending in the longitudinal direction of the vehicle body under the hood that covers the engine room from above, and a predetermined value from above on the battery provided on the vehicle body skeleton member Battery holding means for holding the battery while allowing downward displacement when the load is applied, the battery holding means extending in the longitudinal direction of the vehicle body and extending to the battery mounting bracket. A holding member for holding and mounting the mounted battery; a pair of holding rods provided at both ends of the holding member; and a bending of the pair of holding rods provided at intervals in the extending direction of the vehicle body skeleton member and a base to pivot point and a bearing bracket which holds the battery rotatably, said body bone and the battery placed bracket A battery support bracket is provided between the battery support bracket, the battery support bracket having an end face plate portion welded and fixed to the battery support bracket and an end face plate portion fastened and fixed to the vehicle body skeleton member. An insertion hole for fastening and fixing the battery support bracket to the vehicle body skeleton member with a fastening member is formed in the end face plate portion fixed to the vehicle body skeleton member of the member. A battery support device, wherein a release hole having a hole diameter larger than the hole diameter of the insertion hole is formed to be connected to release the fixing by the fastening member when a load greater than the value is applied.
JP2003034505A 2003-02-13 2003-02-13 Battery support device Expired - Fee Related JP4063098B2 (en)

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JP4935112B2 (en) * 2006-02-28 2012-05-23 トヨタ自動車株式会社 In-vehicle structure of power storage pack
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