JP2004338672A - Front end structure for vehicle - Google Patents

Front end structure for vehicle Download PDF

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Publication number
JP2004338672A
JP2004338672A JP2003140502A JP2003140502A JP2004338672A JP 2004338672 A JP2004338672 A JP 2004338672A JP 2003140502 A JP2003140502 A JP 2003140502A JP 2003140502 A JP2003140502 A JP 2003140502A JP 2004338672 A JP2004338672 A JP 2004338672A
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Japan
Prior art keywords
vehicle
heat exchanger
insertion hole
radiator
mounting
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JP2003140502A
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JP2004338672A5 (en
JP4100251B2 (en
Inventor
Norihisa Sasano
教久 笹野
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Denso Corp
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Denso Corp
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Priority to JP2003140502A priority Critical patent/JP4100251B2/en
Priority to DE102004024151.1A priority patent/DE102004024151B4/en
Publication of JP2004338672A publication Critical patent/JP2004338672A/en
Publication of JP2004338672A5 publication Critical patent/JP2004338672A5/ja
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Publication of JP4100251B2 publication Critical patent/JP4100251B2/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
    • F28F9/002—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core with fastening means for other structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/082—Engine compartments
    • B62D25/084—Radiator supports

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Body Structure For Vehicles (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To enhance assembling workability of a heat exchanger mounted at a front end side of a vehicle while suppressing increase of the number of parts and man-hours for assembling. <P>SOLUTION: An insertion hole 4f opened with a front side of the vehicle and an insertion hole 4h are vertically deviated in viewing from a front side of the vehicle. Thereby, although the insertion hole 4f attached with a mounting pin 1c of a radiator is not closed by a stopper 5 but is opened, a mounting pin 2c of a capacitor 2 arranged at a front surface side of the radiator 1, i.e., the opened side of the insertion hole 4f is inserted into the insertion hole 4j, i.e., the closed hole. Therefore, the maximum displacement amount of the lower side of the radiator 1 to the front side of the vehicle is restricted by the capacitor 2. Accordingly, since the radiator 1 can be assembled to the front end panel 4 without providing the stopper on the insertion hole 4f, the assembling workability of the heat exchanger mounted at the front end side of the vehicle can be enhanced while suppressing increase of the number of parts and the man-hours for assembling. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【０００１】
【発明の属する技術分野】
本発明は車両の前端構造に関するもので、ラジエータ及びコンデンサのフロントエンドパネルへの取付構造に適用して有効である。
【０００２】
【従来の技術】
ラジエータは、通常、フロントエンドパネル等の車両ボディに設けられた挿入穴に、ラジエータに設けられた取付ピンを挿入することにより車両ボディに組み付けられている（例えば、特許文献１参照）。
【０００３】
このとき、特許文献１に記載の発明では、挿入穴を車両後方側が開放されたＵ字状とすることにより、衝突事故時に取付ピンが車両後方側に脱落し易くして、ラジエータフロントエンドパネルが破損してしまうことを防止している。
【０００４】
【特許文献１】
特開２００１−１８７５８８号公報
【０００５】
【発明が解決しようとする課題】
しかし、特許文献１に記載の発明では、挿入穴を一端側が開放されたＵ字状としているので、取付ピンを挿入穴に装着した後、挿入穴の開放側をストッパ等の閉塞手段にて閉塞する必要がある。
【０００６】
したがって、部品点数及び組み付け工数の増大を招くので、車両前端構造、つまり車両の製造原価上昇を招く。
【０００７】
本発明は、上記点に鑑み、第１には、従来と異なる新規な車両の前端構造を提供し、第２には、部品点数及び組み付け工数の増大を抑制しつつ、ラジエータ等の車両前端側に搭載される熱交換器の組み付け作業性を向上させることを目的とする。
【０００８】
【課題を解決するための手段】
本発明は、上記目的を達成するために、請求項１に記載の発明では、第１熱交換器（１）と、第１熱交換器（１）より車両前方側に搭載された第２熱交換器（２）と、第１、２熱交換器（１、２）が組み付けられたフロントエンドパネル（４）とを備え、第１熱交換器（１）の端部には、第１熱交換器（１）をフロントエンドパネル（４）に組み付けるための取付用突起部（１ｃ）が設けられ、フロントエンドパネル（４）には、取付用突起部（１ｃ）が挿入される第１挿入穴（４ｆ）が設けられ、第１挿入穴（４ｆ）は、車両前方側が開放され、かつ、車両後方側が閉じた略Ｕ字状の穴であり、さらに、第１熱交換器（１）の車両前方側への最大変位量は、第２熱交換器（２）により規制されていることを特徴とする。
【０００９】
これにより、第１熱交換器（１）の取付用突起部（１ｃ）が第１挿入穴（４ｆ）から脱落してしまうことを防止できる。したがって、第１挿入穴（４ｆ）にストッパ等を設けることなく、第１熱交換器（１）をフロントエンドパネル（４）に組み付けることができるので、部品点数及び組み付け工数の増大を抑制しつつ、車両前端側に搭載される熱交換器の組み付け作業性を向上させることができる。
【００１０】
請求項２に記載の発明では、第１熱交換器（１）と、第１熱交換器（１）より車両前方側に搭載された第２熱交換器（２）とを備え、第１熱交換器（１）の端部には、第１熱交換器（１）を車両ボディ（４）に組み付けるための取付用突起部（１ｃ）が設けられ、車両ボディ（４）には、取付用突起部（１ｃ）が挿入される第１挿入穴（４ｆ）が設けられ、第１挿入穴（４ｆ）は、車両前方側が開放され、かつ、車両後方側が閉じた略Ｕ字状の穴であり、さらに、第１熱交換器（１）の車両前方側への最大変位量は、第２熱交換器（２）により規制されていることを特徴とする。
【００１１】
これにより、第１熱交換器（１）の取付用突起部（１ｃ）が第１挿入穴（４ｆ）から脱落してしまうことを防止できる。したがって、第１挿入穴（４ｆ）にストッパ等を設けることなく、第１熱交換器（１）を車両ボディ（４）に組み付けることができるので、部品点数及び組み付け工数の増大を抑制しつつ、車両前端側に搭載される熱交換器の組み付け作業性を向上させることができる。
【００１２】
請求項３に記載の発明では、第１熱交換器（１）を挟んで第１挿入穴（４ｆ）と反対側には、取付用突起部（１ｃ）が挿入される開放部が無い閉じた第２挿入穴（４ｇ）が設けられていることを特徴とするものである。
【００１３】
請求項４に記載の発明では、第２熱交換器（２）に設けられた取付用突起部（２ｃ）が挿入される挿入穴のうち、車両前方側が開放され、かつ、車両後方側が閉じた略Ｕ字状の第３挿入穴（４ｈ）は、車両前方側から見て、第１熱交換器（１）を挟んで第１挿入穴（４ｆ）と反対側に設けられていることを特徴とする。
【００１４】
これにより、車両前方側が開放された第１挿入穴（４ｆ）及び第３挿入穴（４ｆ）が車両前方側から見て同一側に設けられものに比べて、フロントエンドパネル（４）や車両ボディ（４）の強度低下を小さくすることができる。
【００１５】
請求項５に記載の発明では、第２熱交換器（２）を挟んで第３挿入穴（４ｈ）と反対側には、第２熱交換器（２）の取付用突起部（１ｃ）が挿入される開放部が無い閉じた第４挿入穴（４ｊ）が設けられていることを特徴とするものである。
【００１６】
請求項６に記載の発明では、第３挿入穴（４ｈ）の開放側を閉塞するストッパ部材（５）が装着されていることを特徴とするものである。
【００１７】
請求項７に記載の発明では、第２熱交換器（２）に空気を導く導風ダクト部材（７）にストッパ部材（５）が設けられていることを特徴とするものである。
【００１８】
請求項８に記載の発明では、第１挿入穴（４ｆ）の開放側には、取付用突起部（１ｃ）が第１挿入穴（４ｆ）から抜けることを抑制する抜け抑制手段（６）が設けられていることを特徴とするものである。
【００１９】
因みに、上記各手段の括弧内の符号は、後述する実施形態に記載の具体的手段との対応関係を示す一例である。
【００２０】
【発明の実施の形態】
（第１実施形態）
図１は本実施形態に係る車両の前端構造を示す分解斜視図であり、図２は図１のＡ−Ａ断面図であり、図３は図１のＢ−Ｂ断面図である。
【００２１】
図１中、ラジエータ１はエンジン冷却水と外気とを熱交換してエンジン冷却水を冷却する第１熱交換器であり、コンデンサ２は蒸気圧縮式冷凍機（車両用空調装置）内を循環する冷媒と外気とを熱交換して冷媒を冷却する第２熱交換器であり、送風機３はラジエータ１及びコンデンサ２に冷却風を送風する送風手段である。
【００２２】
因みに、ラジエータ１は、冷却水が流通する複数本のラジエータチューブからなるラジエータコア１ａ、及びラジエータチューブの長手方向両端側に配設されて各ラジエータチューブに連通するラジエータタンク１ｂ等から構成された周知のマルチフロー型の熱交換器である。
【００２３】
また、コンデンサ２もラジエータ１と同様に、冷媒が流通する複数本のコンデンサチューブからなるコンデンサコア２ａ、及びコンデンサチューブの長手方向両端側に配設されて各コンデンサチューブに連通するコンデンサタンク２ｂ等から構成された周知のマルチフロー型の熱交換器である。
【００２４】
そして、本実施形態では、コンデンサ２がラジエータ１より車両前方側、つまりコンデンサ２がラジエータ１より冷却風流れ上流側に位置し、かつ、チューブの長手方向が水平方向に一致するように配置され、タンク１ｂ、２ｂの長手方向が上下方向（鉛直方向）に一致するように車両に搭載されている。
【００２５】
フロントエンドパネル４はラジエータ１及びコンデンサ２等の車両前端部品が組み付け固定されるもので、文献によってはキャリア又はラジエータサポートとも呼ばれる。
【００２６】
また、フロントエンドパネル４は、上方側に位置して水平方向に延びる上方側梁部材４ａ、下方側に位置して水平方向に延びる下方側梁部材４ｂ、及び上下方向に延びて両梁部材４ａ、４ｂを連結する支柱部４ｃ等からなる矩形枠状のパネル本体部、並びに前照灯（ヘッドライト）が組み付けられるライトステー部４ｄ等からなるものである。
【００２７】
なお、本実施形態では、上方側梁部材４ａ、下方側梁部材４ｂ、支柱部４ｃ及びライトステー部４ｄ、並びにファンシュラウド４ｅ等を炭素繊維やガラス繊維等にて引張り強度が強化された強化樹脂にて一体成形されている。
【００２８】
因みに、ファンシュラウド４ｅとは、送風機３と熱交換器（この場合は、ラジエータ１）との隙間を閉塞して送風機３にて誘起された空気流が熱交換器を迂回して流れることを防止するもので、本実施形態では、送風機３を支持するファンステーも兼ねている。
【００２９】
ところで、ラジエータ１の端部のうちラジエータタンク１ｂの長手方向両端側には、図２に示すように、ラジエータ１をフロントエンドパネル４に組み付けるための取付用突起部をなす取付ピン１ｃが設けられており、この取付ピン１ｃには、ゴム等の弾性材料からなる防振材１ｄが装着されている。
【００３０】
また、フロントエンドパネル４のうち取付ピン１ｃに対応する部位には、図１に示すように、取付ピン１ｃが挿入される挿入穴４ｆ、４ｇが設けられており、本実施形態では、下方側に設けられた挿入穴４ｆを車両前方側が開放され、かつ、車両後方側が閉じた略Ｕ字状の穴とし、上方側、つまりラジエータ１を挟んで挿入穴４ｆと反対側に設けられた挿入穴４ｇを開放部が無い閉じた穴としている。
【００３１】
一方、コンデンサ２の上下端部にもラジエータ１と同様に、コンデンサ２をフロントエンドパネル４に組み付けるための取付用突起部をなす取付ピン２ｃが設けられており、図３に示すように、この取付ピン２ｃにも取付ピン１ｃと同様にゴム等の弾性材料からなる防振材２ｄが装着されている。
【００３２】
また、フロントエンドパネル４のうち取付ピン２ｃに対応する部位には、図１に示すように、取付ピン２ｃが挿入される挿入穴４ｈ、４ｊが設けられており、本実施形態では、上方側に設けられた挿入穴４ｈを車両前方側が開放され、かつ、車両後方側が閉じた略Ｕ字状の穴とし、下方側、つまりコンデンサ２を挟んで挿入穴４ｈと反対側に設けられた挿入穴４ｊを開放部が無い閉じた穴としている。
【００３３】
つまり、車両前方側が開放された挿入穴４ｆ及び挿入穴４ｈは、互いに熱交換器１、２を挟んで対向する反対の位置に設けることにより、車両前方側から見て、挿入穴４ｆと挿入穴４ｈとが上下方向にずれるようにしている。
【００３４】
また、ストッパ５は、取付ピン２ｃを挿入穴４ｈに装着した後、挿入穴４ｈの開放側を閉塞するストッパ部材であり、このストッパ５は、フロントエンドパネル４に係止固定される。
【００３５】
具体的には、図４（ａ）に示すように、車両前方側からフロントエンドパネル４（上方側梁部材４ａ）に組み付け固定された樹脂製のストッパ５とフロントエンドパネル４とにより、防振材２ｄが装着された取付ピン２ｃを挟み込んでコンデンサ２をフロントエンドパネル４に固定している。
【００３６】
また、ストッパ５は、図４（ｂ）に示すように、上方側梁部材４ａを上下方向から挟み込む断面が略コの字状のクリップ部５ａ、及び上方側梁部材４ａに設けられた係止用穴部４ｋに勘合する係止用突起部５ｂからなるものである。
【００３７】
また、車両前方側が開放された挿入穴４ｆ及び挿入穴４ｈの開放側には、図４（ａ）に示すように、開放側を狭めるようにして取付ピン１ｃ、２ｄが挿入穴４ｆ、４ｈから抜けることを抑制する突起部６が設けられており、本実施形態では、この突起部６が特許請求の範囲に記載された抜け抑制手段を構成する。
【００３８】
次に、ラジエータ１及びコンデンサ２のフロントエンドパネル４への組み付け手順を述べる（図１参照）。
【００３９】
ラジエータ１の上方側に設けられた取付ピン１ｃを下側から挿入穴４ｈに挿入した後、上方側の取付ピン１ｃを支点とするようにしてラジエータ１を揺動させて下側の取付ピン１ｃを挿入穴４ｆの開放側から挿入装着する。
【００４０】
このとき、下側の取付ピン１ｃに装着された防振材１ｄが突起部６にて縮められ、その外径寸法が自由状態に比べて小さくなって取付ピン１ｃが挿入穴４ｆに係止固定される。
【００４１】
次に、コンデンサ２の下方側に設けられた取付ピン２ｃを上側から挿入穴４ｊに挿入した後、下方側の取付ピン２ｃを支点とするようにしてコンデンサ２を揺動させて上側の取付ピン２ｃを挿入穴４ｈの開放側から挿入装着する。
【００４２】
このとき、上側の取付ピン２ｃに装着された防振材２ｄが突起部６にて縮められ、その外径寸法が自由状態に比べて小さくなって取付ピン２ｃが挿入穴４ｈに係止固定される。
【００４３】
そして、ストッパ５をフロントエンドパネル４に装着して取付ピン２ｃが挿入穴４ｈから脱落することを確実に防止する。
【００４４】
次に、本実施形態の作用効果を述べる。
【００４５】
本実施形態では、ラジエータ１の取付ピン１ｃが装着される挿入穴４ｆはストッパ５に閉塞されることなく開放されたままであるものの、ラジエータ１の前面側、つまり挿入穴４ｆの開放側に配置されるコンデンサ２の取付ピン２ｃは、閉じた穴である挿入穴４ｊに挿入されるので、ラジエータ１の下方側、つまり挿入穴４ｆに挿入された取付ピン１ｃの車両前方側への最大変位量は、コンデンサ２により規制されることとなる。
【００４６】
このため、ラジエータ１とコンデンサ２との距離が、挿入穴４ｆの長径寸法、つまり開放部から底部までの寸法Ｌ（図４（ａ）参照）以下となっていれば、ラジエータ１の取付ピン１ｃが挿入穴４ｆから脱落することはない。
【００４７】
したがって、挿入穴４ｆにストッパを設けることなく、ラジエータ１をフロントエンドパネル４（車両ボディ）に組み付けることができるので、部品点数及び組み付け工数の増大を抑制しつつ、ラジエータ１等の車両前端側に搭載される熱交換器の組み付け作業性を向上させることができる。
【００４８】
また、車両前方側が開放された挿入穴４ｆ及び挿入穴４ｈが、互いに熱交換器１、２挟んで対向する反対の位置に設けられているので、挿入穴４ｆ及び挿入穴４ｈが車両前方側から見て同一側に設けられものに比べて、フロントエンドパネル４の強度低下を小さくすることができる。
【００４９】
また、挿入穴４ｆに取付ピン１ｃが脱落することを抑制する突起部６を設けているので、ラジエータ１がコンデンサ２に衝突する程度まで取付ピン１ｃが挿入穴４ｆ内で変位してしまうことを抑制できる。
【００５０】
（第２実施形態）
本実施形態は、図５に示すように、コンデンサ２及びラジエータ１に冷却風を導く樹脂製の導風ダクト部材７にストッパ５を一体的に設けたものである。
【００５１】
これにより、車両前端構造を構成する部品の点数を低減することができるので、組み立て工数及び製造原価を低減することができる。
【００５２】
（その他の実施形態）
上述の実施形態では、取付ピン１ｃ、２ｃは防振材１ｄ、２ｄを介して挿入穴４ｆ〜４ｊに挿入装着していたが、本発明はこれに限定されるものではない。
【００５３】
また、上述の実施形態では、車両前方側から見て、挿入穴４ｆと挿入穴４ｈとが上下方向にずれるようにしたが、本発明はこれに限定されるものではなく、例えば左右方向で挿入穴４ｆと挿入穴４ｆとがずれるようにしてもよい。
【００５４】
また、上述の第２実施形態では、導風ダクト部材７にストッパ５を一体化したが、本発明はこれに限定されるものではなく、バンパーカバーやラジエータグリル（フロングリル）にストッパ５を一体化してもよい。
【００５５】
なお、上述の実施形態では、挿入穴４ｆ及び挿入穴４ｈは、車両前方側が開放されたものであったが、これは、ラジエータ１及びコンデンサ２を車両前方側からフロントエンドパネル４に組み付けるためである。したがって、車両前方側からラジエータ１及びコンデンサ２をフロントエンドパネル４に組み付ける場合には、挿入穴４ｆ及び挿入穴４ｈを車両後方側を開放することが望ましい。
【００５６】
因みに、車両後方側からラジエータ１等の熱交換器をフロントエンドパネル２に組み付ける際には、「第１熱交換器（１）と、前記第１熱交換器（１）より車両前方側に搭載された第２熱交換器（２）と、前記第１、２熱交換器（１、２）が組み付けられたフロントエンドパネル（４）とを備え、前記第１熱交換器（１）の端部には、前記第１熱交換器（１）を前記フロントエンドパネル（４）に組み付けるための取付用突起部（１ｃ）が設けられ、前記フロントエンドパネル（４）には、前記取付用突起部（１ｃ）が挿入される第１挿入穴（４ｆ）が設けられ、前記第１挿入穴（４ｆ）は、車両後方側が開放され、かつ、車両前方側が閉じた略Ｕ字状の穴であり、さらに、前記第１熱交換器（１）の車両後方側への最大変位量は、前記第２熱交換器（２）により規制されることを特徴とする」ようにしてもよい。
【図面の簡単な説明】
【図１】本発明の第１実施形態に係る車両の前端構造を示す分解斜視図である。
【図２】図１のＡ−Ａ断面図である。
【図３】図１のＢ−Ｂ断面図である。
【図４】（ａ）は本発明の挿入穴部分の分解斜視図であり、（ｂ）は（ａ）のＡ−Ａ断面図である。
【図５】本発明の第２実施形態に係る車両の前端構造を示す分解斜視図である。
【符号の説明】
１…ラジエータ、１ｃ…取付ピン、２…コンデンサ、２ｃ…取付ピン、
３…送風機、４…フロントエンドパネル、４ｆ〜４ｊ…挿入穴。[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a front end structure of a vehicle, and is effective when applied to a structure for attaching a radiator and a condenser to a front end panel.
[0002]
[Prior art]
The radiator is usually mounted on the vehicle body by inserting a mounting pin provided on the radiator into an insertion hole provided on the vehicle body such as a front end panel (for example, see Patent Document 1).
[0003]
At this time, in the invention described in Patent Document 1, the insertion pin is formed in a U-shape in which the vehicle rear side is opened, so that the mounting pin is easily dropped to the vehicle rear side in the event of a collision, and the radiator front end panel is This prevents damage.
[0004]
[Patent Document 1]
JP 2001-187588 A
[Problems to be solved by the invention]
However, in the invention described in Patent Document 1, since the insertion hole is formed in a U-shape with one end open, after the mounting pin is attached to the insertion hole, the open side of the insertion hole is closed by a closing means such as a stopper. There is a need to.
[0006]
Therefore, the number of parts and the number of assembling steps are increased, so that the vehicle front end structure, that is, the manufacturing cost of the vehicle is increased.
[0007]
In view of the above points, the present invention firstly provides a new vehicle front end structure different from the conventional one, and secondly, a vehicle front end side of a radiator or the like while suppressing increases in the number of parts and assembly steps. An object of the present invention is to improve the workability of assembling a heat exchanger mounted on a vehicle.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, according to the first aspect of the present invention, a first heat exchanger (1) and a second heat exchanger mounted on a vehicle front side of the first heat exchanger (1) are provided. The heat exchanger includes a heat exchanger (2) and a front end panel (4) in which first and second heat exchangers (1, 2) are assembled. A mounting projection (1c) for assembling the exchanger (1) to the front end panel (4) is provided, and a first insertion in which the mounting projection (1c) is inserted into the front end panel (4). A hole (4f) is provided, and the first insertion hole (4f) is a substantially U-shaped hole that is open on the vehicle front side and closed on the vehicle rear side, and is further provided with a first heat exchanger (1). The maximum displacement amount to the front side of the vehicle is regulated by the second heat exchanger (2).
[0009]
Thus, it is possible to prevent the mounting projection (1c) of the first heat exchanger (1) from dropping out of the first insertion hole (4f). Therefore, the first heat exchanger (1) can be assembled to the front end panel (4) without providing a stopper or the like in the first insertion hole (4f), thereby suppressing increases in the number of parts and the number of assembling steps. Thus, the workability of assembling the heat exchanger mounted on the front end side of the vehicle can be improved.
[0010]
In the invention according to claim 2, the first heat exchanger (1) and the second heat exchanger (2) mounted on the vehicle front side with respect to the first heat exchanger (1) are provided, and the first heat exchanger (1) is provided. At the end of the exchanger (1), a mounting projection (1c) for mounting the first heat exchanger (1) to the vehicle body (4) is provided. A first insertion hole (4f) into which the protrusion (1c) is inserted is provided, and the first insertion hole (4f) is a substantially U-shaped hole that is open at the vehicle front side and closed at the vehicle rear side. Further, the maximum displacement of the first heat exchanger (1) toward the front of the vehicle is regulated by the second heat exchanger (2).
[0011]
Thus, it is possible to prevent the mounting projection (1c) of the first heat exchanger (1) from dropping out of the first insertion hole (4f). Therefore, the first heat exchanger (1) can be assembled to the vehicle body (4) without providing a stopper or the like in the first insertion hole (4f), thereby suppressing increases in the number of parts and the number of assembling steps. The workability of assembling the heat exchanger mounted on the front end side of the vehicle can be improved.
[0012]
According to the third aspect of the invention, the first heat exchanger (1) is closed and has no opening on the side opposite to the first insertion hole (4f) into which the mounting projection (1c) is inserted. A second insertion hole (4g) is provided.
[0013]
According to the fourth aspect of the present invention, of the insertion holes into which the mounting projections (2c) provided in the second heat exchanger (2) are inserted, the front side of the vehicle is open and the rear side of the vehicle is closed. The substantially U-shaped third insertion hole (4h) is provided on the opposite side of the first heat exchanger (1) from the first insertion hole (4f) when viewed from the front side of the vehicle. And
[0014]
Thereby, the first end hole (4f) and the third insertion hole (4f) whose front side is open are provided on the same side as viewed from the front side of the vehicle. (4) The decrease in strength can be reduced.
[0015]
According to the fifth aspect of the invention, the mounting projection (1c) of the second heat exchanger (2) is provided on the opposite side of the second heat exchanger (2) from the third insertion hole (4h). A closed fourth insertion hole (4j) having no opening to be inserted is provided.
[0016]
The invention according to claim 6 is characterized in that a stopper member (5) for closing the open side of the third insertion hole (4h) is mounted.
[0017]
The invention according to claim 7 is characterized in that a stopper member (5) is provided in the air guide duct member (7) for guiding air to the second heat exchanger (2).
[0018]
In the invention as set forth in claim 8, on the open side of the first insertion hole (4f), a disengagement suppressing means (6) for suppressing the attachment projection (1c) from falling out of the first insertion hole (4f). It is characterized by being provided.
[0019]
Incidentally, reference numerals in parentheses of the above-mentioned units are examples showing the correspondence with specific units described in the embodiments described later.
[0020]
BEST MODE FOR CARRYING OUT THE INVENTION
(1st Embodiment)
FIG. 1 is an exploded perspective view showing a front end structure of the vehicle according to the present embodiment, FIG. 2 is a sectional view taken along line AA of FIG. 1, and FIG. 3 is a sectional view taken along line BB of FIG.
[0021]
In FIG. 1, a radiator 1 is a first heat exchanger that exchanges heat between engine coolant and outside air to cool the engine coolant, and a condenser 2 circulates in a vapor compression refrigerator (vehicle air conditioner). This is a second heat exchanger that cools the refrigerant by exchanging heat between the refrigerant and the outside air, and the blower 3 is a blower that blows cooling air to the radiator 1 and the condenser 2.
[0022]
Incidentally, the radiator 1 includes a radiator core 1a composed of a plurality of radiator tubes through which cooling water flows, and a well-known radiator tank 1b arranged at both ends in the longitudinal direction of the radiator tube and communicating with each radiator tube. Is a multi-flow type heat exchanger.
[0023]
Similarly to the radiator 1, the condenser 2 also includes a condenser core 2a composed of a plurality of condenser tubes through which a refrigerant flows, and a condenser tank 2b disposed at both ends in the longitudinal direction of the condenser tubes and communicating with the condenser tubes. It is a well-known multi-flow type heat exchanger configured.
[0024]
In the present embodiment, the condenser 2 is located on the vehicle front side of the radiator 1, that is, the condenser 2 is located on the upstream side of the cooling air flow from the radiator 1, and the longitudinal direction of the tube is aligned with the horizontal direction, The tanks 1b and 2b are mounted on the vehicle such that the longitudinal direction of the tanks 1b and 2b coincides with the vertical direction (vertical direction).
[0025]
The front end panel 4 is a part to which vehicle front end parts such as the radiator 1 and the condenser 2 are assembled and fixed.
[0026]
The front end panel 4 includes an upper beam member 4a located on the upper side and extending in the horizontal direction, a lower beam member 4b located on the lower side and extending in the horizontal direction, and both beam members 4a extending in the vertical direction. , A rectangular frame-shaped panel main body composed of a support 4c connecting the 4b, and a light stay 4d to which a headlight (headlight) is attached.
[0027]
In the present embodiment, the upper beam member 4a, the lower beam member 4b, the support portion 4c, the light stay portion 4d, and the fan shroud 4e are made of a reinforced resin in which the tensile strength is enhanced by carbon fiber, glass fiber, or the like. It is integrally molded.
[0028]
Incidentally, the fan shroud 4e closes a gap between the blower 3 and the heat exchanger (in this case, the radiator 1) to prevent the air flow induced by the blower 3 from flowing around the heat exchanger. In this embodiment, the fan also serves as a fan stay for supporting the blower 3.
[0029]
By the way, as shown in FIG. 2, mounting pins 1 c forming mounting projections for mounting the radiator 1 to the front end panel 4 are provided on both ends in the longitudinal direction of the radiator tank 1 b among the ends of the radiator 1. A vibration isolator 1d made of an elastic material such as rubber is mounted on the mounting pin 1c.
[0030]
In addition, as shown in FIG. 1, insertion holes 4f and 4g into which the mounting pins 1c are inserted are provided in portions of the front end panel 4 corresponding to the mounting pins 1c. Is an approximately U-shaped hole with the vehicle front side opened and the vehicle rear side closed, and the insertion hole provided on the upper side, that is, the side opposite to the insertion hole 4f with the radiator 1 interposed therebetween. 4 g is a closed hole having no opening.
[0031]
On the other hand, similarly to the radiator 1, mounting pins 2c serving as mounting projections for mounting the capacitor 2 to the front end panel 4 are provided at the upper and lower ends of the capacitor 2, as shown in FIG. Similarly to the mounting pin 1c, a vibration isolator 2d made of an elastic material such as rubber is mounted on the mounting pin 2c.
[0032]
In addition, as shown in FIG. 1, insertion holes 4h and 4j into which the mounting pins 2c are inserted are provided in portions of the front end panel 4 corresponding to the mounting pins 2c. Is an approximately U-shaped hole with the front side of the vehicle open and the rear side of the vehicle closed, and an insertion hole provided on the lower side, that is, on the side opposite to the insertion hole 4h with the capacitor 2 interposed therebetween. 4j is a closed hole having no open portion.
[0033]
In other words, the insertion hole 4f and the insertion hole 4h whose front sides are open are provided at opposite positions opposite to each other with the heat exchangers 1 and 2 therebetween, so that the insertion hole 4f and the insertion hole when viewed from the front side of the vehicle. 4h is shifted in the vertical direction.
[0034]
The stopper 5 is a stopper member that closes the open side of the insertion hole 4h after the mounting pin 2c is mounted in the insertion hole 4h, and the stopper 5 is locked and fixed to the front end panel 4.
[0035]
More specifically, as shown in FIG. 4A, vibration is prevented by a resin stopper 5 and a front end panel 4 that are assembled and fixed to the front end panel 4 (upper beam member 4a) from the front side of the vehicle. The capacitor 2 is fixed to the front end panel 4 with the mounting pin 2c to which the material 2d is mounted being sandwiched.
[0036]
As shown in FIG. 4B, the stopper 5 has a substantially U-shaped clip portion 5a sandwiching the upper beam member 4a from above and below, and a locking member provided on the upper beam member 4a. It consists of a locking projection 5b that fits into the hole 4k.
[0037]
Also, as shown in FIG. 4 (a), the mounting pins 1c and 2d are moved from the insertion holes 4f and 4h to the opening sides of the insertion holes 4f and 4h whose opening sides are narrowed. A protrusion 6 is provided to suppress the detachment. In the present embodiment, the protrusion 6 constitutes a detachment suppressing unit described in the claims.
[0038]
Next, a procedure for assembling the radiator 1 and the condenser 2 to the front end panel 4 will be described (see FIG. 1).
[0039]
After the mounting pin 1c provided on the upper side of the radiator 1 is inserted from below into the insertion hole 4h, the radiator 1 is swung so that the upper mounting pin 1c is used as a fulcrum, thereby lowering the mounting pin 1c. From the open side of the insertion hole 4f.
[0040]
At this time, the vibration isolator 1d mounted on the lower mounting pin 1c is contracted by the projection 6, and its outer diameter is reduced as compared with the free state, so that the mounting pin 1c is locked and fixed in the insertion hole 4f. Is done.
[0041]
Next, after the mounting pin 2c provided on the lower side of the capacitor 2 is inserted into the insertion hole 4j from the upper side, the capacitor 2 is swung by using the lower mounting pin 2c as a fulcrum, and the upper mounting pin 2c is inserted and mounted from the open side of the insertion hole 4h.
[0042]
At this time, the vibration isolator 2d mounted on the upper mounting pin 2c is contracted by the projection 6, the outer diameter thereof is reduced as compared with the free state, and the mounting pin 2c is locked and fixed in the insertion hole 4h. You.
[0043]
Then, the stopper 5 is mounted on the front end panel 4 to reliably prevent the mounting pin 2c from dropping out of the insertion hole 4h.
[0044]
Next, the operation and effect of the present embodiment will be described.
[0045]
In the present embodiment, the insertion hole 4f in which the mounting pin 1c of the radiator 1 is mounted remains open without being closed by the stopper 5, but is arranged on the front side of the radiator 1, that is, on the open side of the insertion hole 4f. Since the mounting pin 2c of the condenser 2 is inserted into the insertion hole 4j, which is a closed hole, the maximum displacement of the mounting pin 1c below the radiator 1, that is, the mounting pin 1c inserted into the insertion hole 4f toward the front of the vehicle is: Is regulated by the capacitor 2.
[0046]
For this reason, if the distance between the radiator 1 and the capacitor 2 is smaller than the major dimension of the insertion hole 4f, that is, the dimension L from the opening to the bottom (see FIG. 4A), the mounting pin 1c of the radiator 1 Does not fall out of the insertion hole 4f.
[0047]
Therefore, the radiator 1 can be assembled to the front end panel 4 (vehicle body) without providing a stopper in the insertion hole 4f. Therefore, the increase in the number of parts and the number of assembling steps can be suppressed, and the radiator 1 can be mounted on the front end side of the vehicle such as the radiator 1. The workability of assembling the mounted heat exchanger can be improved.
[0048]
Further, since the insertion hole 4f and the insertion hole 4h whose front side is open are provided at opposite positions opposite to each other with the heat exchangers 1 and 2 interposed therebetween, the insertion hole 4f and the insertion hole 4h are located from the front side of the vehicle. It is possible to reduce a decrease in the strength of the front end panel 4 as compared with the one provided on the same side as viewed.
[0049]
Further, since the projection 6 is provided in the insertion hole 4f to prevent the attachment pin 1c from dropping, the attachment pin 1c is displaced in the insertion hole 4f until the radiator 1 collides with the capacitor 2. Can be suppressed.
[0050]
(2nd Embodiment)
In this embodiment, as shown in FIG. 5, a stopper 5 is provided integrally with a resin-made air guide duct member 7 for guiding cooling air to the condenser 2 and the radiator 1.
[0051]
As a result, the number of parts constituting the vehicle front end structure can be reduced, so that the number of assembly steps and the manufacturing cost can be reduced.
[0052]
(Other embodiments)
In the above-described embodiment, the mounting pins 1c and 2c are inserted and mounted in the insertion holes 4f to 4j via the vibration-proof materials 1d and 2d, but the present invention is not limited to this.
[0053]
In the above-described embodiment, the insertion hole 4f and the insertion hole 4h are vertically displaced when viewed from the front side of the vehicle. However, the present invention is not limited to this. The hole 4f and the insertion hole 4f may be shifted.
[0054]
Further, in the above-described second embodiment, the stopper 5 is integrated with the air guide duct member 7, but the present invention is not limited to this, and the stopper 5 is integrated with the bumper cover or the radiator grill (Fron grill). It may be.
[0055]
In the above-described embodiment, the insertion holes 4f and 4h are open at the front side of the vehicle, but this is for assembling the radiator 1 and the condenser 2 to the front end panel 4 from the front side of the vehicle. is there. Therefore, when assembling the radiator 1 and the condenser 2 to the front end panel 4 from the front side of the vehicle, it is desirable to open the insertion holes 4f and 4h on the rear side of the vehicle.
[0056]
Incidentally, when assembling the heat exchanger such as the radiator 1 from the rear side of the vehicle to the front end panel 2, "the first heat exchanger (1) and the heat exchanger mounted on the vehicle front side with respect to the first heat exchanger (1)" are used. And a front end panel (4) on which the first and second heat exchangers (1 and 2) are assembled, and an end of the first heat exchanger (1). The part is provided with a mounting projection (1c) for mounting the first heat exchanger (1) to the front end panel (4), and the mounting projection is provided on the front end panel (4). A first insertion hole (4f) into which the portion (1c) is inserted is provided, and the first insertion hole (4f) is a substantially U-shaped hole that is open on the vehicle rear side and closed on the vehicle front side. Further, the maximum displacement amount of the first heat exchanger (1) toward the rear side of the vehicle is the second displacement amount. Be regulated by exchanger (2) it may be characterized "a.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view showing a front end structure of a vehicle according to a first embodiment of the present invention.
FIG. 2 is a sectional view taken along line AA of FIG.
FIG. 3 is a sectional view taken along line BB of FIG. 1;
4A is an exploded perspective view of an insertion hole portion of the present invention, and FIG. 4B is a cross-sectional view taken along line AA of FIG.
FIG. 5 is an exploded perspective view showing a front end structure of a vehicle according to a second embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Radiator, 1c ... Mounting pin, 2 ... Capacitor, 2c ... Mounting pin,
3 ... Blower, 4 ... Front end panel, 4f-4j ... Insertion hole.

Claims (8)

第１熱交換器（１）と、
前記第１熱交換器（１）より車両前方側に搭載された第２熱交換器（２）と、
前記第１、２熱交換器（１、２）が組み付けられたフロントエンドパネル（４）とを備え、
前記第１熱交換器（１）の端部には、前記第１熱交換器（１）を前記フロントエンドパネル（４）に組み付けるための取付用突起部（１ｃ）が設けられ、
前記フロントエンドパネル（４）には、前記取付用突起部（１ｃ）が挿入される第１挿入穴（４ｆ）が設けられ、
前記第１挿入穴（４ｆ）は、車両前方側が開放され、かつ、車両後方側が閉じた略Ｕ字状の穴であり、
さらに、前記第１熱交換器（１）の車両前方側への最大変位量は、前記第２熱交換器（２）により規制されていることを特徴とする車両の前端構造。A first heat exchanger (1);
A second heat exchanger (2) mounted on the vehicle front side of the first heat exchanger (1);
A front end panel (4) on which the first and second heat exchangers (1, 2) are assembled;
At an end of the first heat exchanger (1), a mounting projection (1c) for assembling the first heat exchanger (1) to the front end panel (4) is provided,
The front end panel (4) is provided with a first insertion hole (4f) into which the mounting projection (1c) is inserted,
The first insertion hole (4f) is a substantially U-shaped hole that is open at the front of the vehicle and closed at the rear of the vehicle.
Further, the maximum displacement of the first heat exchanger (1) toward the front of the vehicle is regulated by the second heat exchanger (2). 第１熱交換器（１）と、
前記第１熱交換器（１）より車両前方側に搭載された第２熱交換器（２）とを備え、
前記第１熱交換器（１）の端部には、前記第１熱交換器（１）を車両ボディ（４）に組み付けるための取付用突起部（１ｃ）が設けられ、
前記車両ボディ（４）には、前記取付用突起部（１ｃ）が挿入される第１挿入穴（４ｆ）が設けられ、
前記第１挿入穴（４ｆ）は、車両前方側が開放され、かつ、車両後方側が閉じた略Ｕ字状の穴であり、
さらに、前記第１熱交換器（１）の車両前方側への最大変位量は、前記第２熱交換器（２）により規制されていることを特徴とする車両の前端構造。A first heat exchanger (1);
A second heat exchanger (2) mounted on the vehicle front side of the first heat exchanger (1),
At the end of the first heat exchanger (1), a mounting projection (1c) for assembling the first heat exchanger (1) to a vehicle body (4) is provided,
The vehicle body (4) is provided with a first insertion hole (4f) into which the mounting projection (1c) is inserted,
The first insertion hole (4f) is a substantially U-shaped hole that is open at the front of the vehicle and closed at the rear of the vehicle.
Further, the maximum displacement of the first heat exchanger (1) toward the front of the vehicle is regulated by the second heat exchanger (2). 前記第１熱交換器（１）を挟んで前記第１挿入穴（４ｆ）と反対側には、前記取付用突起部（１ｃ）が挿入される開放部が無い閉じた第２挿入穴（４ｇ）が設けられていることを特徴とする請求項１又は２に記載の車両の前端構造。On the opposite side of the first heat exchanger (1) from the first insertion hole (4f), a closed second insertion hole (4g) having no opening into which the mounting projection (1c) is inserted. 3. A front end structure for a vehicle according to claim 1, wherein the front end structure is provided. 前記第２熱交換器（２）に設けられた取付用突起部（２ｃ）が挿入される挿入穴のうち、車両前方側が開放され、かつ、車両後方側が閉じた略Ｕ字状の第３挿入穴（４ｈ）は、車両前方側から見て、前記第１熱交換器（１）を挟んで前記第１挿入穴（４ｆ）と反対側に設けられていることを特徴とする請求項３に記載の車両の前端構造。Of the insertion holes into which the mounting protrusions (2c) provided in the second heat exchanger (2) are inserted, a substantially U-shaped third insertion opening at the front of the vehicle and closing at the rear of the vehicle. The hole (4h) is provided on the side opposite to the first insertion hole (4f) across the first heat exchanger (1) when viewed from the front side of the vehicle. The front end structure of the vehicle as described. 前記第２熱交換器（２）を挟んで前記第３挿入穴（４ｈ）と反対側には、前記第２熱交換器（２）の前記取付用突起部（１ｃ）が挿入される開放部が無い閉じた第４挿入穴（４ｊ）が設けられていることを特徴とする請求項４に記載の車両の前端構造。An opening into which the mounting projection (1c) of the second heat exchanger (2) is inserted, on the opposite side of the second heat exchanger (2) from the third insertion hole (4h). 5. The front end structure for a vehicle according to claim 4, wherein a closed fourth insertion hole (4j) is provided. 前記第３挿入穴（４ｈ）の開放側を閉塞するストッパ部材（５）が装着されていることを特徴とする請求項４又は５に記載の車両の前端構造。The vehicle front end structure according to claim 4 or 5, wherein a stopper member (5) for closing an open side of the third insertion hole (4h) is mounted. 前記第２熱交換器（２）に空気を導く導風ダクト部材（７）に前記ストッパ部材（５）が設けられていることを特徴とする請求項６に記載の車両の前端構造。The front end structure of the vehicle according to claim 6, wherein the stopper member (5) is provided on a baffle duct member (7) that guides air to the second heat exchanger (2). 前記第１挿入穴（４ｆ）の開放側には、前記取付用突起部（１ｃ）が前記第１挿入穴（４ｆ）から抜けることを抑制する抜け抑制手段（６）が設けられていることを特徴とする請求項１ないし７のいずれか１つに記載の車両の前端構造。On the open side of the first insertion hole (4f), a detachment suppressing means (6) for preventing the attachment projection (1c) from falling out of the first insertion hole (4f) is provided. The front end structure of a vehicle according to any one of claims 1 to 7, wherein:
JP2003140502A 2003-05-19 2003-05-19 Vehicle front end structure Expired - Lifetime JP4100251B2 (en)

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