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JP5384432B2 - Car battery tray - Google Patents

Car battery tray Download PDF

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Publication number
JP5384432B2
JP5384432B2 JP2010129401A JP2010129401A JP5384432B2 JP 5384432 B2 JP5384432 B2 JP 5384432B2 JP 2010129401 A JP2010129401 A JP 2010129401A JP 2010129401 A JP2010129401 A JP 2010129401A JP 5384432 B2 JP5384432 B2 JP 5384432B2
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frame
outer frame
partition
bottom plate
shield
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JP2011255705A (en
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成一 橋本
恒武 津吉
竜秀 西岡
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Kobe Steel Ltd
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Kobe Steel 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

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  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Battery Mounting, Suspending (AREA)

Description

本発明は、自動車のバッテリーを収容固定するバッテリートレイに関する。   The present invention relates to a battery tray that accommodates and fixes an automobile battery.

特許文献１には、金属製の外枠フレームと、その内側に配置されるシールドフレームからなるバッテリートレイが記載されている。シールドフレームは周側壁とその内部を複数の領域に仕切る格子状の中間フレームからなり、全体が樹脂（繊維強化プラスチック）で一体成形されたもので、前記各領域にバッテリーを収容するようになっている。
このような２層構造のバッテリートレイは、内側のシールドフレームによりトレイ底部の防水性が確保されることから、次のような利点があるとされている。
金属製の外枠フレームに防水性を持たせる必要がないため、外枠フレームの底を塞ぐ底板が不要であり、仮に底板を設ける場合でも外枠フレームと底板の全周溶接が不要となり、溶接作業工数を削減できる。外枠フレーム自体の溶接も、防水性が不要であるため簡素で済む。また溶接作業工数が減るため、溶接時の熱歪みによる外枠フレームの変形を抑制できる。 Patent Document 1 describes a battery tray including a metal outer frame frame and a shield frame disposed inside the metal outer frame frame. The shield frame consists of a peripheral side wall and a grid-like intermediate frame that divides the inside into a plurality of regions, and the whole is integrally formed of resin (fiber reinforced plastic), and a battery is accommodated in each region. Yes.
The battery tray having such a two-layer structure has the following advantages since the waterproof property of the bottom of the tray is secured by the inner shield frame.
Since it is not necessary to make the metal outer frame frame waterproof, there is no need for a bottom plate that closes the bottom of the outer frame frame, and even if a bottom plate is provided, it is not necessary to weld the outer frame frame and the bottom plate all around. Work man-hours can be reduced. The welding of the outer frame itself is also simple because it does not require waterproofness. In addition, since the number of welding work steps is reduced, deformation of the outer frame due to thermal distortion during welding can be suppressed.

一方、この種のバッテリートレイにおいて、シールドフレーム内に収容するバッテリーは、シールドフレームに形成した取付穴を通して外枠フレームにボルト締結される。このため、取付穴を形成する工程が別途必要なだけでなく、樹脂の一体成形によって得られたシールドフレームの防水性が損なわれ、また、外枠フレームの前記取付穴に対応する箇所にボルト締結用の座を形成する工程も必要となる。
特許文献２，３のバッテリートレイでも、樹脂製のシールドフレームに取付穴を形成している。 On the other hand, in this type of battery tray, the battery housed in the shield frame is bolted to the outer frame frame through an attachment hole formed in the shield frame. For this reason, not only the process of forming the mounting hole is separately required, but also the waterproof property of the shield frame obtained by integral molding of resin is impaired, and bolts are fastened to the locations corresponding to the mounting holes of the outer frame frame. A process of forming a seat for the use is also required.
In the battery trays of Patent Documents 2 and 3, mounting holes are formed in the resin shield frame.

特開１０−６７８５号公報Japanese Patent Laid-Open No. 10-6785 特開５-１９３３６６号公報JP-A-5-193366 特開５-１９３３７６号公報JP-A-5-193376

本発明は、金属製の外枠フレームと、その内側に配置される樹脂製のシールドフレームからなる自動車のバッテリートレイにおいて、バッテリーの取り付けに支障のない形でシールドフレームの防水性を確保すること、同時にバッテリー取り付けのための工数を減らしてコスト低減を図ることを目的とする。   The present invention secures the waterproofness of the shield frame in a form that does not hinder battery installation in an automobile battery tray comprising a metal outer frame frame and a resin shield frame disposed inside the metal frame, At the same time, it aims at reducing the cost by reducing the man-hours for battery installation.

本発明に係る自動車のバッテリートレイは、矩形状に配置された外枠と、前記外枠の底を塞ぐ底板と、前記底板の上面に配置され前記外枠内を複数個の矩形状の領域に仕切る仕切枠を有する金属製の外枠フレーム、及び前記外枠フレームの内部に嵌入するシールドフレームからなり、前記シールドフレームはプラスチックの射出成形体で、前記外枠の内側面形状に沿って形成された周側壁と、前記底板及び仕切枠のなす凹凸に沿って形成され該底板及び仕切枠の上を被う底壁を有し、前記底壁の前記仕切枠を被う部分に、バッテリー固定用のボルト頭部又はナットが挿入固定される複数個のボス部が上方に突出して成形されていることを特徴とする。
前記外枠フレームの外枠と仕切枠がアルミニウム合金中空押出形材からなり、前記底板がアルミニウム合金板からなることが望ましい。 A battery tray of an automobile according to the present invention includes an outer frame arranged in a rectangular shape, a bottom plate that closes a bottom of the outer frame, and an upper frame that is disposed on an upper surface of the bottom plate and includes a plurality of rectangular regions in the outer frame. The metal outer frame frame having a partition frame for partitioning, and a shield frame fitted into the outer frame frame, the shield frame is a plastic injection-molded body and is formed along the inner side surface shape of the outer frame. And a bottom wall that covers the bottom plate and the partition frame and is formed along the unevenness formed by the bottom plate and the partition frame. A plurality of bosses into which the bolt heads or nuts are inserted and fixed are projected upward and formed.
It is desirable that the outer frame and the partition frame of the outer frame frame are made of an aluminum alloy hollow extruded shape, and the bottom plate is made of an aluminum alloy plate.

本発明に係るバッテリートレイは、シールドフレームにバッテリーの取付穴を開ける必要がないため防水性が損なわれることがなく、また、シールドフレームにボルト頭部又はナットが挿入固定されるボスが一体成形されているため、バッテリーの取り付けに支障は生じない。このボスは、シールドフレームの射出成形時に周側壁及び底壁と同時に成形することができるから、バッテリーの取り付けを可能とするために余分な工程が必要でなく、コストを低減することができる。   The battery tray according to the present invention does not need to have a battery mounting hole in the shield frame, so that the waterproof property is not impaired, and a boss into which the bolt head or nut is inserted and fixed is integrally formed in the shield frame. Therefore, there is no problem in battery installation. Since this boss can be molded at the same time as the peripheral side wall and the bottom wall during the injection molding of the shield frame, an extra step is not required to allow the battery to be attached, and the cost can be reduced.

本発明に係るバッテリートレイの斜視図である。It is a perspective view of the battery tray which concerns on this invention. 同バッテリートレイの外枠フレームの斜視図である。It is a perspective view of the outer frame frame of the battery tray. 同バッテリートレイの外枠フレームの底面側斜視図であるIt is a bottom side perspective view of the outer frame frame of the battery tray 同バッテリートレイのシールドフレームの斜視図である。It is a perspective view of the shield frame of the battery tray.

以下、図１〜図４を参照して、本発明に係るバッテリートレイについて説明する。
図１にバッテリートレイを示す。このバッテリートレイは、外枠フレーム１と、外枠フレーム１の内部に密着状態で嵌入するシールドフレーム２からなる。外枠フレーム１とシールドフレーム２は、いずれもいわゆるトレイ形状を有する。
外枠フレーム１は、図２，３に示すように、矩形状に配置された外枠３と、外枠３の底を塞ぐ底板４と、底板４の上面側に配置され外枠３内を均等な複数個（この例では４個）の矩形状の領域に仕切る仕切枠５と、外枠３の底面側に形成した切り欠きに嵌められ、外枠３外に突出する取付部材６と、取付部材６及び底板４の下面側に配置された補強部材７からなる。これらの部材はアーク溶接やスポット溶接等の接合手段により組み付けられている。 Hereinafter, the battery tray according to the present invention will be described with reference to FIGS.
FIG. 1 shows a battery tray. The battery tray includes an outer frame frame 1 and a shield frame 2 that fits inside the outer frame frame 1 in a close contact state. Both the outer frame 1 and the shield frame 2 have a so-called tray shape.
As shown in FIGS. 2 and 3, the outer frame 1 includes an outer frame 3 arranged in a rectangular shape, a bottom plate 4 that closes the bottom of the outer frame 3, an upper surface of the bottom plate 4, and the inside of the outer frame 3. A partition frame 5 that partitions into a plurality of equal (four in this example) rectangular regions, a mounting member 6 that fits into a notch formed on the bottom side of the outer frame 3 and protrudes outside the outer frame 3; The mounting member 6 and the reinforcing member 7 are arranged on the lower surface side of the bottom plate 4. These members are assembled by joining means such as arc welding or spot welding.

外枠３は、自動車の車体幅方向に向く前後フレーム３ａ，３ｂと車体前後方向に向く左右フレーム３ｃ，３ｄからなる。各フレームはいずれもアルミニウム合金中空押出材からなり、コーナーにおいて互いに接合されている。
仕切枠５は全体として格子状をなし、左右フレーム３ｃ，３ｄに沿って配置された端部仕切枠５ａ，５ｂ（左右フレーム３ｃに沿って配置された端部仕切枠５ａは図示されず）と、十字形に組み付けられた中間仕切枠５ｃ〜５ｅからなり、各仕切枠はいずれもアルミニウム合金中空押出材からなる。端部仕切枠５ａ，５ｂは、側面が左右フレーム３ｃ，３ｄに、両端が前後フレーム３ａ，３ｂにそれぞれ接合されている。中間仕切枠５ｃは両端が端部仕切壁５ａ，５ｂに、中間仕切枠５ｄ，５ｅは両端が前後フレーム３ａ，３ｂと中間仕切枠５ｃにそれぞれ接合されている。 The outer frame 3 includes front and rear frames 3a and 3b facing in the vehicle body width direction and left and right frames 3c and 3d facing in the vehicle body longitudinal direction. Each frame is made of an aluminum alloy hollow extruded material and joined to each other at the corner.
The partition frame 5 has a lattice shape as a whole, and end partition frames 5a and 5b arranged along the left and right frames 3c and 3d (the end partition frame 5a arranged along the left and right frames 3c is not shown). The intermediate partition frames 5c to 5e assembled in a cross shape, and each partition frame is made of an aluminum alloy hollow extruded material. The end partition frames 5a and 5b have side surfaces joined to the left and right frames 3c and 3d and both ends joined to the front and rear frames 3a and 3b, respectively. Both ends of the intermediate partition frame 5c are joined to the end partition walls 5a and 5b, and both ends of the intermediate partition frames 5d and 5e are joined to the front and rear frames 3a and 3b and the intermediate partition frame 5c, respectively.

取付部材６は、アルミニウム合金中空押出材からなり、左右フレーム３ｃ，３ｄの底面側に形成した切り欠きに底面が面一になるように嵌められ、左右フレーム３ｃ，３ｄに接合されている。
補強部材７は、アルミニウム合金中空押出材からなり、両端が左右の取付部材６の底面に接合されている。
底板４は、アルミニウム合金板からなり、外枠３及び補強部材７に、必要に応じて仕切枠５にも接合されている。 The mounting member 6 is made of an aluminum alloy hollow extruded material, and is fitted into notches formed on the bottom surfaces of the left and right frames 3c and 3d so that the bottom surfaces are flush with each other and joined to the left and right frames 3c and 3d.
The reinforcing member 7 is made of an aluminum alloy hollow extruded material, and both ends are joined to the bottom surfaces of the left and right mounting members 6.
The bottom plate 4 is made of an aluminum alloy plate, and is joined to the outer frame 3 and the reinforcing member 7 to the partition frame 5 as necessary.

外枠フレーム１には防水性が必要とされないから、各部材の溶接は全周溶接でなく、強度的に必要な箇所のみの溶接で済ませることができる。
外枠フレーム１において、前後フレーム３ａ，３ｂ、中間仕切枠５ｃ、取付部材６及び補強部材７が車体幅方向に平行に配置され、左右フレーム３ｃ，３ｄ、端部仕切枠５ａ，５ｂ及び中間仕切壁５ｄ，５ｅが車体前後方向に平行に配置され、これらはいずれもアルミニウム合金中空押出材からなるから、この外枠フレーム１は剛性、強度が高く、車体前後方向及び車体幅方向の衝突に対する耐圧壊性も高い。 Since the outer frame 1 is not required to be waterproof, welding of each member can be performed not only on the entire circumference but only on a portion necessary in terms of strength.
In the outer frame 1, the front and rear frames 3 a and 3 b, the intermediate partition frame 5 c, the attachment member 6 and the reinforcing member 7 are arranged in parallel to the vehicle body width direction, and the left and right frames 3 c and 3 d, the end partition frames 5 a and 5 b, and the intermediate partition Since the walls 5d and 5e are arranged in parallel with the longitudinal direction of the vehicle body, and these are both made of an aluminum alloy hollow extruded material, the outer frame 1 has high rigidity and strength and is resistant to collisions in the longitudinal direction of the vehicle body and in the vehicle body width direction. It is also highly destructive.

シールドフレーム２（図４参照）はプラスチック製で、外枠３の内側面形状に沿って形成された矩形状の周側壁８と、周側壁８の底を塞ぐ底壁９、及び底壁９の上面に突出して成形された複数個のボス部１１からなり、全体が射出成形体で一体成形されたものである。
底壁９は、外枠フレーム１の底板４と仕切枠５のなす凹凸に沿って形成され、全体としてほぼ均一の肉厚を有するシート状の部材であり、底壁９の上下面側とも底板４と仕切枠５のなす凹凸を反映した形状に成形されている。底壁９は、底板４を被う底板部１２と仕切枠５を被う仕切部１３からなり、上面側から見れば底板部１２が凹部、仕切部１３が凸部となっていて、仕切部１３は底板部１２より上方に膨出し、そこに外枠フレーム１の仕切枠５が嵌入する。仕切部１３は、外枠フレーム１の仕切枠５の形状を反映した形状とされ、全体として格子状をなし、周側壁８内を複数個の矩形状の領域に仕切っている。 The shield frame 2 (see FIG. 4) is made of plastic and has a rectangular peripheral side wall 8 formed along the inner side surface shape of the outer frame 3, a bottom wall 9 that closes the bottom of the peripheral side wall 8, and the bottom wall 9. It consists of a plurality of boss portions 11 that protrude from the upper surface and is integrally formed of an injection molded body.
The bottom wall 9 is a sheet-like member that is formed along the unevenness formed by the bottom plate 4 and the partition frame 5 of the outer frame frame 1 and has a substantially uniform thickness as a whole. 4 and a shape reflecting the irregularities formed by the partition frame 5. The bottom wall 9 includes a bottom plate portion 12 that covers the bottom plate 4 and a partition portion 13 that covers the partition frame 5. The bottom plate portion 12 is a concave portion and the partition portion 13 is a convex portion when viewed from the upper surface side. 13 bulges upward from the bottom plate portion 12, and the partition frame 5 of the outer frame 1 is fitted therein. The partition portion 13 has a shape reflecting the shape of the partition frame 5 of the outer frame 1, has a lattice shape as a whole, and partitions the inside of the peripheral side wall 8 into a plurality of rectangular regions.

底壁９の仕切部１３に、複数個のボス部１１が上方に突出して一体成形されている。ボス部１１は、バッテリー固定用のボルトの頭部又はナットが挿入保持される部材で、この例では、両側壁１１ａ，１４ｂと、上壁１１ｃ、及び中壁１１ｄからなり、これら４壁に囲まれるボス１１ｅに前記ボルトの頭部又はナットが嵌め入れられ、プラスチックの弾性によりその位置に保持される。１１ｆはボルトの軸部が入る穴である。   A plurality of boss portions 11 protrude upward and are integrally formed with the partition portion 13 of the bottom wall 9. The boss portion 11 is a member into which the head or nut of a battery fixing bolt is inserted and held. In this example, the boss portion 11 includes both side walls 11a and 14b, an upper wall 11c, and an inner wall 11d, and is surrounded by these four walls. The bolt head or nut is fitted into the boss 11e to be held and held in that position by the elasticity of plastic. 11f is a hole into which the shaft portion of the bolt enters.

本発明に係るバッテリートレイは、強度及び剛性は主として外枠フレーム１が担い、シールドフレーム２は主として防水性を担う。そして外枠フレーム１が底板４を有することもあり、シールドフレーム２自体に高い強度及び剛性は特に必要とされない。従って、シールドフレーム２のプラスチック材料は、通常運転時の防水性と衝突時の変形による耐割れ性（衝突時の防水性）を中心に考慮して選択すればよく、射出成形に用いられる汎用プラスチック、エンジニアリングプラスチック材料を適宜用いることができる。具体的には例えばポリプロピレン等を用いることができる。なお、特許文献１のバッテリートレイでは、シールドフレーム自体が高い強度及び剛性を担っており、そのためシールドフレームを繊維強化プラスチックで成形している。   In the battery tray according to the present invention, the outer frame 1 is mainly responsible for strength and rigidity, and the shield frame 2 is mainly waterproof. The outer frame 1 may have the bottom plate 4, and the shield frame 2 itself is not required to have high strength and rigidity. Therefore, the plastic material for the shield frame 2 may be selected mainly considering the waterproof property during normal operation and the crack resistance due to deformation at the time of collision (water resistance at the time of collision), and is a general-purpose plastic used for injection molding. Engineering plastic materials can be used as appropriate. Specifically, for example, polypropylene can be used. In the battery tray of Patent Document 1, the shield frame itself has high strength and rigidity. Therefore, the shield frame is formed of fiber-reinforced plastic.

シールドフレーム２は、外枠フレーム１内に挿入され、必要に応じて接着剤等により外枠フレーム１に対し固定される。
バッテリーは、シールドフレーム２の格子状の仕切部１３内に載置され、シールドフレーム２に対しボルト締結される。ボルト締結に際し、ボス部１４に保持されたボルト又はナットが利用できるため、締結作業を容易に進めることができる。ボス部１４はシールドフレーム２の射出成形時に同時に成形でき、また、シールドフレーム２にボルト締結のための取付穴等を形成する必要がないため、工程数を削減でき、かつシールドフレーム２の防水性が損なわれることがない。 The shield frame 2 is inserted into the outer frame frame 1 and is fixed to the outer frame frame 1 with an adhesive or the like as necessary.
The battery is placed in a grid-like partition portion 13 of the shield frame 2 and is bolted to the shield frame 2. At the time of bolt fastening, since the bolt or nut held by the boss portion 14 can be used, the fastening work can be easily advanced. The boss portion 14 can be formed at the same time as the injection molding of the shield frame 2, and since it is not necessary to form a mounting hole for fastening the bolt in the shield frame 2, the number of processes can be reduced and the waterproof property of the shield frame 2 can be reduced. Will not be damaged.

なお、上記の例では、仕切枠５により外枠３内を４個の領域に分割したが、必要に応じて、より少数の領域（特許文献１では３個の領域）に分割し、あるいは特許文献２，３のように、より多数の領域に分割することもできる。   In the above example, the inside of the outer frame 3 is divided into four regions by the partition frame 5, but if necessary, it is divided into a smaller number of regions (three regions in Patent Document 1) or patented. It can be divided into a larger number of regions as in References 2 and 3.

１ 外枠フレーム
２ シールドフレーム
３ 外枠
４ 底板
５ 仕切枠
６ 取付部材
７ 補強部材
８ 周側壁
９ 底壁
１１ ボス部
１２ 底板部
１３ 仕切部 DESCRIPTION OF SYMBOLS 1 Outer frame frame 2 Shield frame 3 Outer frame 4 Bottom plate 5 Partition frame 6 Mounting member 7 Reinforcement member 8 Peripheral side wall 9 Bottom wall 11 Boss part 12 Bottom plate part 13 Partition part

Claims (2)

矩形状に配置された外枠と、前記外枠の底を塞ぐ底板と、前記底板の上面に配置され前記外枠内を複数個の矩形状の領域に仕切る仕切枠を有する金属製の外枠フレーム、及び前記外枠フレームの内部に嵌入するシールドフレームからなり、前記シールドフレームはプラスチックの射出成形体であり、前記外枠の内側面形状に沿って形成された周側壁と、前記底板及び仕切枠のなす凹凸に沿って形成され該底板及び仕切枠の上を被う底壁を有し、前記底壁の前記仕切枠を被う部分に、バッテリー固定用のボルトの頭部又はナットが挿入固定される複数個のボス部が上方に突出して一体成形されていることを特徴とする自動車のバッテリートレイ。 A metal outer frame having an outer frame arranged in a rectangular shape, a bottom plate for closing the bottom of the outer frame, and a partition frame arranged on the upper surface of the bottom plate and partitioning the inside of the outer frame into a plurality of rectangular regions And a shield frame that fits inside the outer frame frame, and the shield frame is a plastic injection-molded body, a peripheral side wall formed along the inner side surface shape of the outer frame, the bottom plate, and the partition A bottom wall formed on the bottom plate and the partition frame is formed along the irregularities formed by the frame, and a head or nut of a battery fixing bolt is inserted into the portion of the bottom wall that covers the partition frame A battery tray for an automobile, wherein a plurality of fixed bosses protrude upward and are integrally formed. 前記外枠フレームの外枠と仕切枠がアルミニウム合金中空押出形材からなり、前記底板がアルミニウム合金板からなることを特徴とする請求項１に記載された自動車のバッテリートレイ。 2. The battery tray for an automobile according to claim 1, wherein an outer frame and a partition frame of the outer frame frame are made of an aluminum alloy hollow extruded shape, and the bottom plate is made of an aluminum alloy plate.
JP2010129401A 2010-06-04 2010-06-04 Car battery tray Expired - Fee Related JP5384432B2 (en)

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