JP4453601B2 - Heat exchanger mounting structure - Google Patents

Heat exchanger mounting structure Download PDF

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JP4453601B2
JP4453601B2 JP2005141542A JP2005141542A JP4453601B2 JP 4453601 B2 JP4453601 B2 JP 4453601B2 JP 2005141542 A JP2005141542 A JP 2005141542A JP 2005141542 A JP2005141542 A JP 2005141542A JP 4453601 B2 JP4453601 B2 JP 4453601B2
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heat exchanger
pin
hole
radiator
temporary fixing
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JP2006317101A (en
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貴光 真野
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Denso Corp
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Denso Corp
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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
    • F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
    • F28D1/0435—Combination of units extending one behind the other

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)

Description

本発明は、一方の熱交換器に他方の熱交換器を固定する際の熱交換器の取付け構造に関するものである。   The present invention relates to a heat exchanger mounting structure when fixing the other heat exchanger to one heat exchanger.

従来、例えばラジエータとインタークーラのような２つの熱交換器を有する車両において、一方の熱交換器（ラジエータ）に他方の熱交換器（インタークーラ）が固定されて、一方の熱交換器が車両の上下の取付けメンバーに固定されて搭載されるものがある。   Conventionally, in a vehicle having two heat exchangers such as a radiator and an intercooler, for example, the other heat exchanger (intercooler) is fixed to one heat exchanger (radiator), and the other heat exchanger is the vehicle. There are some that are fixedly mounted on the upper and lower mounting members.

両熱交換器には、互いの固定のための固定部が設けられると共に、一方の熱交換器に円柱状に突出するピンが立てられ、また他方の熱交換器に挿入穴部が設けられている。そして、上記２つの熱交換器同士の固定および車両への搭載に当っては、まず、一方の熱交換器の下側を車両の下側取付けメンバーに固定する。そして、ピンと挿入穴部とによって（挿入穴部にピンを通すことによって）一方の熱交換器に他方の熱交換器を仮止めし、その後に固定部で正式に固定する。最後に、一方の熱交換器の上側を車両の上側取付けメンバーに固定するようにしている。   Both heat exchangers are provided with a fixing portion for fixing each other, a pin protruding in a columnar shape is set up on one heat exchanger, and an insertion hole is provided on the other heat exchanger. Yes. In fixing the two heat exchangers and mounting them on the vehicle, first, the lower side of one of the heat exchangers is fixed to the lower mounting member of the vehicle. Then, the other heat exchanger is temporarily fixed to one heat exchanger by passing the pin through the insertion hole (by passing the pin through the insertion hole), and thereafter, the fixing unit is formally fixed. Finally, the upper side of one heat exchanger is fixed to the upper mounting member of the vehicle.

しかしながら、ピンを挿入穴部に挿入して仮止め状態とした時に、２つの熱交換器の重量バランスによって他の熱交換器側に向けて傾きが生じると、相対的にピンが挿入穴部から抜ける方向に移動して、仮止めすべき他方の熱交換器が落下してしまう場合がある。これを防止するために、ピンの長さを必要以上に長くしなければならなかった。   However, when the pin is inserted into the insertion hole and temporarily fixed, if the inclination occurs toward the other heat exchanger due to the weight balance of the two heat exchangers, the pin is relatively moved away from the insertion hole. There is a case where the other heat exchanger to be temporarily fixed is dropped by moving in the direction of removal. In order to prevent this, the length of the pin had to be longer than necessary.

本発明の目的は、上記問題に鑑み、仮止め用ピンの小型化を図りつつ、確実な仮止め機能を発揮できる熱交換器の取付け構造を提供することにある。   In view of the above problems, an object of the present invention is to provide a heat exchanger mounting structure capable of exhibiting a reliable temporary fixing function while reducing the size of a temporary fixing pin.

本発明は上記目的を達成するために、以下の技術的手段を採用する。   In order to achieve the above object, the present invention employs the following technical means.

請求項１に記載の発明では、第１熱交換器（１００）に、第２熱交換器（２００）が取付けされるものに適用され、第１、第２熱交換器（１００、２００）のうち、一方の熱交換器（１００）に設けられた仮止め用のピン（１２２）と、第１、第２熱交換器（１００、２００）のうち、他方の熱交換器（２００）に設けられた仮止め用の穴部（２２３）とを有し、ピン（１２２）が穴部（２２３）に挿入された後に、第２熱交換器（２００）が第１熱交換器（１００）に締結部材（３００）によって固定される熱交換器の取付け構造において、ピン（１２２）の先端部には、第２熱交換器（２００）の自重により相対的にピン（１２２）が穴部（２２３）から抜ける方向に対して、穴部（２２３）に係止される係止部（１２２ａ、１２２ｂ）が設けられたことを特徴としている。   In invention of Claim 1, it applies to what a 2nd heat exchanger (200) is attached to a 1st heat exchanger (100), and is a 1st, 2nd heat exchanger (100, 200). Among them, the temporary fixing pin (122) provided in one heat exchanger (100) and the first and second heat exchangers (100, 200) are provided in the other heat exchanger (200). And the second heat exchanger (200) to the first heat exchanger (100) after the pin (122) is inserted into the hole (223). In the heat exchanger mounting structure fixed by the fastening member (300), the pin (122) is relatively positioned at the tip of the pin (122) due to the weight of the second heat exchanger (200). ) Locking portions (122a, 122b) locked to the hole portion (223) with respect to the direction of exiting It is characterized in that provided.

これにより、ピン（１２２）が穴部（２２３）に挿入された後に、第２熱交換器（２００）の自重により、穴部（２２３）に対してピン（１２２）が相対的に抜ける方向に移動しようとしても、係止部（１２２ａ、１２２ｂ）によって係止されるので、第２熱交換器（２００）の落下が防止され、ピン（１２２）を必要以上に長くすること無く、両熱交換器（１００、２００）の確実な仮止めが可能となる。   Thus, after the pin (122) is inserted into the hole (223), the pin (122) is relatively removed from the hole (223) due to the weight of the second heat exchanger (200). Even if it tries to move, it is locked by the locking portions (122a, 122b), so that the second heat exchanger (200) is prevented from dropping, and both heat exchanges are performed without making the pin (122) longer than necessary. Reliable temporary fixing of the container (100, 200) becomes possible.

上記請求項１に記載の発明においては、請求項２に記載の発明のように、穴部（２２３）を板状部（２２２）に貫通するように形成し、係止部（１２２ａ、１２２ｂ）を穴部（２２３）の板厚部が入り込む凹部（１２２ａ）として形成することができる。   In the first aspect of the present invention, as in the second aspect of the present invention, the hole (223) is formed so as to penetrate the plate-shaped portion (222), and the locking portions (122a, 122b) are formed. Can be formed as a recess (122a) into which the plate thickness of the hole (223) enters.

また、請求項３に記載の発明のように、穴部（２２３）を板状部（２２２）に貫通するように形成し、係止部（１２２ａ、１２２ｂ）を穴部（２２３）周縁の壁部（２２２ａ）に係合する凸部（１２２ｂ）として形成しても良い。   Further, as in the third aspect of the present invention, the hole (223) is formed so as to penetrate the plate-like portion (222), and the locking portions (122a, 122b) are formed on the peripheral wall of the hole (223). You may form as a convex part (122b) engaged with a part (222a).

これにより、第２熱交換器（２００）を第１熱交換器（１００）側に引っかかり無くスムースに移動させることができ、締結部材（３００）による固定が容易となる。   Thereby, the 2nd heat exchanger (200) can be moved smoothly without being caught in the 1st heat exchanger (100) side, and fixation by a fastening member (300) becomes easy.

更に、請求項４に記載の発明のように、凸部（１２２ｂ）は、ピン（１２２）の中間部において、先端側に向けて徐々に肉厚が減少するように除肉されることで形成されるようにすると良い。   Further, as in the invention described in claim 4, the convex portion (122b) is formed by removing the thickness at the intermediate portion of the pin (122) so that the thickness gradually decreases toward the tip side. It is good to be done.

これにより、凸部（１２２ｂ）の外径をピン（１２２）の外径以下で設定することが可能となるので、穴部（２２３）を必要以上に大きく設定する必要が無く、第２熱交換器（２００）を第１熱交換器（１００）に固定する際の両者の位置ずれを小さくすることができる。   As a result, the outer diameter of the protrusion (122b) can be set to be equal to or smaller than the outer diameter of the pin (122), so that it is not necessary to set the hole (223) to be larger than necessary, and the second heat exchange. The positional deviation between the two when fixing the heat exchanger (200) to the first heat exchanger (100) can be reduced.

尚、上記各手段の括弧内の符号は、後述する実施形態記載の具体的手段との対応関係を示すものである。   In addition, the code | symbol in the bracket | parenthesis of each said means shows a corresponding relationship with the specific means of embodiment description mentioned later.

（第１実施形態）
本発明の第１実施形態を図１〜図４に示す。本実施形態は、２つの熱交換器の取付け構造として、自動車用のラジエータ１００とインタークーラ２００に適用したものとしている。尚、図１はラジエータ１００とインタークーラ２００とを示す外観斜視図、図２はラジエータ１００とインタークーラ２００の車両への取付け要領を示す側面図、図３はラジエータ１００とインタークーラ２００との仮止め状態を示す断面図、図４はラジエータ１００とインタークーラ２００との固定状態を示す断面図である。 (First embodiment)
A first embodiment of the present invention is shown in FIGS. The present embodiment is applied to a radiator 100 and an intercooler 200 for an automobile as a mounting structure for two heat exchangers. 1 is an external perspective view showing the radiator 100 and the intercooler 200, FIG. 2 is a side view showing how the radiator 100 and the intercooler 200 are attached to the vehicle, and FIG. 3 is a temporary view of the radiator 100 and the intercooler 200. FIG. 4 is a cross-sectional view showing a fixed state between the radiator 100 and the intercooler 200. FIG.

ラジエータ（本発明における第１熱交換器に対応）１００は、車両エンジンの冷却水を外部からの冷却空気との熱交換により冷却する熱交換器である。図１に示すように、ラジエータ１００は、コア部１１０のチューブ１１１内を流れる冷却水が図１中の右から左に向かういわゆるクロスフロータイプであり、基本構成としてコア部１１０、第１タンク１２０、第２タンク１３０を有している。   A radiator (corresponding to the first heat exchanger in the present invention) 100 is a heat exchanger that cools cooling water of a vehicle engine by heat exchange with cooling air from the outside. As shown in FIG. 1, the radiator 100 is a so-called cross-flow type in which the cooling water flowing in the tube 111 of the core portion 110 is directed from right to left in FIG. 1, and the core portion 110 and the first tank 120 are basic configurations. The second tank 130 is provided.

コア部１１０は、断面扁平状を成して複数積層されるチューブ１１１と、薄肉の帯板材から波形に成形され、チューブ１１１の各間および積層方向の外方に配設されるフィン１１２と、上下最外方のフィン１１２の更に外方に配設され、断面がコの字状に形成された補強部材としてのサイドプレート１１３と、各チューブ１１１の両長手方向端部が貫通して、各チューブ１１１に接続されるコアプレート１１４とから構成されている。   The core part 110 is formed in a plurality of laminated tubes 111 having a flat cross section, a corrugated shape from a thin strip material, and fins 112 disposed between the tubes 111 and outside in the laminating direction, A side plate 113 as a reinforcing member, which is disposed further outward of the upper and lower outermost fins 112 and has a U-shaped cross section, and both longitudinal ends of each tube 111 penetrate, The core plate 114 is connected to the tube 111.

上記コア部１１０においては、各部材１１１、１１２、１１３、１１４はすべてアルミニウムあるいはアルミニウム合金から成り、各部材１１１、１１２、１１３、１１４の当接部あるいは嵌合部において予め表面に設けられたろう材によって一体的にろう付けされている。   In the core part 110, the members 111, 112, 113, 114 are all made of aluminum or an aluminum alloy, and the brazing material previously provided on the surface at the contact part or fitting part of the members 111, 112, 113, 114. Are integrally brazed by.

第１タンク１２０は、コア部１１０側が開口して上下方向に延びる細長の容器体であり、樹脂材から形成されており、一方（図１中の右側）のコアプレート１１４との間にシール部材が介在されて、このコアプレート１１４に機械的に接合（かしめ）されている。第１タンク１２０の上端部には車両後方側に突出する入口パイプ１２１が形成されて内部と連通している。また、第１タンク１２０の上端側でインタークーラ２００に対向する側壁には細長円柱状の仮止めピン（本発明におけるピンに対応）１２２がインタークーラ２００側に突出するように一体成形されている。   The first tank 120 is an elongated container body that is open on the core part 110 side and extends in the vertical direction, is formed of a resin material, and is a seal member between the core plate 114 on one side (the right side in FIG. 1). Are interposed and mechanically joined (caulked) to the core plate 114. An inlet pipe 121 that protrudes toward the rear of the vehicle is formed at the upper end of the first tank 120 and communicates with the inside. Further, an elongated cylindrical temporary fixing pin (corresponding to a pin in the present invention) 122 is integrally formed on the side wall facing the intercooler 200 on the upper end side of the first tank 120 so as to protrude to the intercooler 200 side. .

仮止めピン１２２の先端側は後述するインタークーラ２００の仮止め穴２２３への挿入性向上のために円錐状に形成されており、中間部の上側面においては先端側に向けて徐々に肉厚が減少するように除肉されており、先端部は除肉部に対して上側に突出する凸部（本発明における係止部に対応）１２２ｂとして形成されている。よって、凸部１２２ｂの外径は、仮止めピン１２２の付根部の一般外径と同一寸法となっている（詳細は図３、図４）。   The front end side of the temporary fixing pin 122 is formed in a conical shape in order to improve the insertability into the temporary fixing hole 223 of the intercooler 200 described later, and the upper side surface of the intermediate portion is gradually thickened toward the front end side. The tip portion is formed as a convex portion (corresponding to the locking portion in the present invention) 122b that protrudes upward with respect to the thinned portion. Therefore, the outer diameter of the convex portion 122b is the same as the general outer diameter of the root portion of the temporary fixing pin 122 (details are FIGS. 3 and 4).

上記ピン１２２の形成された側壁において、ピン１２２の近傍および下端部には、雌ねじが形成された金属製のナット部１２３がインサート成形されている。更に、第１タンク１２０の上下端部面には、それぞれ車両への取付け用の取付けピン１２４が一体成形されている。   In the side wall where the pin 122 is formed, a metal nut portion 123 in which a female screw is formed is insert-molded in the vicinity of the pin 122 and the lower end portion. Furthermore, mounting pins 124 for mounting to the vehicle are integrally formed on the upper and lower end surfaces of the first tank 120, respectively.

第２タンク１３０は、上記第１タンク１２０と類似のものであり、他方（図１中の左側）のコアプレート１１４に機械的に接合（かしめ）されており、上下方向の略中央部には車両後方側に突出する出口パイプ１３１が形成されて内部と連通している。よって、エンジン冷却水は入口パイプ１２１から流入して、第１タンク１２０、コア部１１０、第２タンク１３０を経て、出口パイプ１３１から流出するようになっている。   The second tank 130 is similar to the first tank 120 and is mechanically joined (caulked) to the core plate 114 on the other side (left side in FIG. 1). An outlet pipe 131 that protrudes toward the rear of the vehicle is formed and communicates with the inside. Therefore, the engine coolant flows from the inlet pipe 121 and flows out from the outlet pipe 131 through the first tank 120, the core part 110, and the second tank 130.

第２タンク１３０においても、上記第１タンク１２０と同様に、仮止めピン１２２（凸部１２２ｂ）、ナット部１２３、取付けピン１２４が形成されている。   Also in the second tank 130, similarly to the first tank 120, a temporary fixing pin 122 (convex portion 122b), a nut portion 123, and a mounting pin 124 are formed.

一方、インタークーラ（本発明における第２熱交換器に対応）２００は、車両エンジンに吸入される燃焼用空気（吸気）を外部からの冷却空気との熱交換により冷却する熱交換器である。インタークーラ２００は、上記ラジエータ１００と同様のクロスフロータイプであり、ラジエータ１００と同等の体格を有している。インタークーラ２００は、チューブ２１１、フィン２１２、サイドプレート２１３から成るコア部２１０を有し、チューブ２１１の両長手方向端部に第１タンク２２０、第２タンク２３０が接合されて形成されている。ここでは、コア部２１０、両タンク２２０、２３０はすべてアルミニウム製としている。   On the other hand, an intercooler (corresponding to the second heat exchanger in the present invention) 200 is a heat exchanger that cools combustion air (intake air) sucked into a vehicle engine by heat exchange with cooling air from the outside. The intercooler 200 is a cross flow type similar to the radiator 100 and has a physique equivalent to the radiator 100. The intercooler 200 has a core part 210 including a tube 211, fins 212, and side plates 213, and a first tank 220 and a second tank 230 are joined to both longitudinal ends of the tube 211. Here, the core part 210 and the tanks 220 and 230 are all made of aluminum.

両タンク２２０、２３０にはラジエータ１００側に突出してそれぞれの内部に連通する入口パイプ２２１、出口パイプ２３１が設けられており、燃焼用空気は入口パイプ２２１から流入して、第１タンク２２０、コア部２１０、第２タンク２３０を経て、出口パイプ２３１から流出するようになっている。   Both tanks 220 and 230 are provided with an inlet pipe 221 and an outlet pipe 231 that protrude toward the radiator 100 and communicate with the inside thereof. Combustion air flows from the inlet pipe 221, and the first tank 220, core It flows out from the outlet pipe 231 through the section 210 and the second tank 230.

両タンク２２０、２３０の上端側、下端側には、それぞれ板状張出し部２２２、２２４が形成されている。尚、上端側となる板状張出し部２２２は、本発明における板状部に対応する。そして、上端側の板状張出し部２２２には、ラジエータ１００の仮止めピン１２２の位置に対応するように、この板状張出し部２２２を貫通して形成される仮止め穴２２３が設けられている。仮止め穴２２３の内径は、仮止めピン１２２の外径より所定量（仮止めピン１２２に対する必要隙間相当）大きく設定されて、仮止めピン１２２を挿入可能とする。   Plate-shaped projecting portions 222 and 224 are formed on the upper and lower ends of both tanks 220 and 230, respectively. Note that the plate-like overhanging portion 222 on the upper end side corresponds to the plate-like portion in the present invention. Further, the plate-like overhanging portion 222 on the upper end side is provided with a temporary fixing hole 223 formed through the plate-like overhanging portion 222 so as to correspond to the position of the temporary fixing pin 122 of the radiator 100. . The inner diameter of the temporary fixing hole 223 is set to be larger than the outer diameter of the temporary fixing pin 122 by a predetermined amount (corresponding to a necessary gap with respect to the temporary fixing pin 122), so that the temporary fixing pin 122 can be inserted.

また、上端側、下端側の板状張出し部２２２、２２４には、それぞれラジエータ１００のナット部１２３の位置に対応するように穴部が形成されており、この穴部にはカラー２２５ａが中心部に挿入された熱膨張吸収ゴム２２５が装着されている（詳細は図３、図４）。尚、熱膨張吸収ゴム２２５は、ラジエータ１００とインタークーラ２００とが固定されて、車両において冷却作動する際に、自身の弾性変形によって冷却水（例えば１００℃）と燃焼用空気（例えば２００℃）との温度差によって生ずる両者１００、２００間の熱歪みを吸収するものである。   Further, holes are formed in the plate-like projecting portions 222 and 224 on the upper end side and the lower end side so as to correspond to the position of the nut portion 123 of the radiator 100, respectively, and the collar 225a is a central portion in the hole portions. The thermal expansion absorbing rubber 225 inserted into the is attached (details are FIGS. 3 and 4). In addition, when the radiator 100 and the intercooler 200 are fixed and the cooling operation is performed in the vehicle, the thermal expansion absorbing rubber 225 has cooling water (for example, 100 ° C.) and combustion air (for example, 200 ° C.) due to its own elastic deformation. The thermal strain between the two 100 and 200 caused by the temperature difference between the two is absorbed.

次に、上記ラジエータ１００とインタークーラ２００の車両への取付け方法について図２〜図４を用いて説明する。まず、ラジエータ１００の上下の取付けピン１２４にブッシング４００を装着して、ラジエータ１００の下側を車両取付け用のロウアメンバ１２に取付ける。尚、ラジエータ１００は車両に正式に装着された状態で車両後方側に所定角度傾斜する姿勢となるように設定されているが、この段階ではほぼその後傾姿勢となるものの、ラジエータ１００の上側はまだフリーの状態である。   Next, a method of attaching the radiator 100 and the intercooler 200 to the vehicle will be described with reference to FIGS. First, the bushing 400 is attached to the upper and lower attachment pins 124 of the radiator 100, and the lower side of the radiator 100 is attached to the lower member 12 for vehicle attachment. The radiator 100 is set so as to be inclined at a predetermined angle toward the rear side of the vehicle when it is officially mounted on the vehicle, but at this stage, the posture is inclined after that, but the upper side of the radiator 100 is still It is in a free state.

そして、仮止めピン１２２（２箇所）が仮止め穴２２３（２箇所）に挿入されるようにして、インタークーラ２００をラジエータ１００に仮止めした後に、ボルト３００（４本）を熱膨張吸収ゴム２２５のカラー２２５ａに通して、ナット部１２３（４箇所）に締結する。   Then, the intercooler 200 is temporarily fixed to the radiator 100 so that the temporary fixing pins 122 (two places) are inserted into the temporary fixing holes 223 (two places), and then the bolts 300 (four pieces) are thermally expanded. It passes through the collar 225a of 225 and is fastened to the nut portion 123 (four places).

そして、車両取付け用のアッパメンバ１１を上から被せるようにして車両ボディに固定する際に、ラジエータ１００の上側をアッパメンバ１１に取付ける（以上で取付け作業完了）。   Then, when the upper member 11 for mounting the vehicle is fixed to the vehicle body so as to be covered from above, the upper side of the radiator 100 is mounted on the upper member 11 (the mounting operation is completed).

ここで、従来技術の項で説明したように、インタークーラ２００をラジエータ１００に仮止めした際に、まだラジエータ１００の上側がフリーであることから、ラジエータ１００とインタークーラ２００との重量バランスによってインタークーラ２００側に向けて傾きが生じると、相対的に仮止めピン１２２が仮止め穴２２３から抜ける方向に移動して、即ち、インタークーラ２００が車両前方下側に移動して、落下してしまう場合がある。   Here, as described in the section of the prior art, when the intercooler 200 is temporarily fixed to the radiator 100, the upper side of the radiator 100 is still free, so the weight balance between the radiator 100 and the intercooler 200 causes the intercooler 200 to be free. When the inclination is generated toward the cooler 200 side, the temporary fixing pin 122 is relatively moved in a direction in which it is removed from the temporary fixing hole 223, that is, the intercooler 200 is moved to the lower front side of the vehicle and falls. There is a case.

しかしながら、本発明においては仮止めピン１２２に係止部としての凸部１２２ｂを設けているので、図３に示すように、仮止め穴２２３周縁の板状張出し部２２２の壁部２２２ａが凸部１２２ｂに係止されることになり、インタークーラ２００の落下が防止され、仮止めピン１２２を必要以上に長くすること無く、ラジエータ１００とインタークーラ２００との確実な仮止めが可能となる。   However, in the present invention, the temporary fixing pin 122 is provided with a convex portion 122b as an engaging portion, so that the wall portion 222a of the plate-like protruding portion 222 around the temporary fixing hole 223 is a convex portion as shown in FIG. The intercooler 200 is prevented from falling, and the radiator 100 and the intercooler 200 can be securely fixed without making the temporary fixing pin 122 longer than necessary.

また、凸部１２２ｂは、仮止めピン１２２の中間部を徐々に除肉して形成されるようにしているので、図４に示すように、インタークーラ２００をラジエータ１００に固定する際に、インタークーラ２００をラジエータ１００側に引っかかり無くスムースに移動させることができ、ボルト３００による固定が容易となる。   Further, since the convex portion 122b is formed by gradually thinning the intermediate portion of the temporary fixing pin 122, the intercooler 200 is fixed to the radiator 100 as shown in FIG. The cooler 200 can be smoothly moved without being caught on the radiator 100 side, and fixing with the bolt 300 is facilitated.

更に、凸部１２２ｂは、仮止めピン１２２の中間部において、先端側に向けて徐々に肉厚が減少するように除肉されることで形成されるようにしているので、凸部１２２ｂの外径を仮止めピン１２２の外径以下で設定することが可能となり、仮止め穴２２３を必要以上に大きく設定する必要が無く、インタークーラ２００をラジエータ１００に固定する際の両者の位置ずれを小さくすることができる。   Further, the convex portion 122b is formed by removing the thickness so that the thickness gradually decreases toward the tip side at the intermediate portion of the temporary fixing pin 122. It is possible to set the diameter to be equal to or smaller than the outer diameter of the temporary fixing pin 122, it is not necessary to set the temporary fixing hole 223 larger than necessary, and the positional deviation between the two when the intercooler 200 is fixed to the radiator 100 is reduced. can do.

尚、仮止めピン１２２の凸部１２２ｂについては、上記のように先端側に向けて徐々に肉厚が減少するように除肉されて形成されるものに対して、仮止めピン１２２の円柱状表面から単純に突出する凸部としても良い。この場合は、仮止め穴２２３の内径を仮止めピン１２２の外径と凸部とを合わせた寸法に順ずるように設定する。   The convex portion 122b of the temporary fixing pin 122 is formed in a columnar shape of the temporary fixing pin 122, whereas the convex portion 122b of the temporary fixing pin 122 is formed by being thinned so that the thickness gradually decreases toward the tip side as described above. It is good also as a convex part which protrudes from the surface simply. In this case, the inner diameter of the temporary fixing hole 223 is set so as to conform to the dimension obtained by combining the outer diameter of the temporary fixing pin 122 and the convex portion.

（第２実施形態）
本発明の第２実施形態を図５に示す。第２実施形態は、上記第１実施形態に対して、仮止めピン１２２における係止部の形状を変更したものである。ここでは、仮止めピン１２２の中間部に凹部１２２ａを設けるものとしており、板状張出し部２２２の板厚部が凹部１２２ａに入り込むことで、板状張出し部２２２（仮止め穴２２３）が仮止めピン１２２に係止されるようにしている。 (Second Embodiment)
A second embodiment of the present invention is shown in FIG. 2nd Embodiment changes the shape of the latching | locking part in the temporary fixing pin 122 with respect to the said 1st Embodiment. Here, the concave portion 122a is provided in the intermediate portion of the temporary fixing pin 122, and the plate-like protruding portion 222 (temporary fixing hole 223) is temporarily fixed by the plate thickness portion of the plate-like protruding portion 222 entering the concave portion 122a. The pin 122 is locked.

これにより、インタークーラ２００をラジエータ１００に固定する際に（インタークーラ２００をラジエータ１００側に移動させる際に）、板状張出し部２２２を凹部１２２ａから外す必要が生ずるものの、ラジエータ１００とインタークーラ２００との確実な仮止めが可能である。   Accordingly, when the intercooler 200 is fixed to the radiator 100 (when the intercooler 200 is moved to the radiator 100 side), it is necessary to remove the plate-like projecting portion 222 from the recess 122a, but the radiator 100 and the intercooler 200 It is possible to secure a temporary stop.

（その他の実施形態）
上記第１、第２実施形態では、仮止めピン１２２をラジエータ１００側に設け、また、仮止め穴２２３をインタークーラ２００側に設けるようにしたが、それぞれの設定位置は逆となるようにしても良い。 (Other embodiments)
In the first and second embodiments, the temporary fixing pin 122 is provided on the radiator 100 side and the temporary fixing hole 223 is provided on the intercooler 200 side. However, the respective setting positions are reversed. Also good.

また、上記第１、第２実施形態では、ラジエータ１００の下側を車両に取付けた状態でインタークーラ２００をラジエータ１００に取付けるようにしたが、縦方向姿勢（タンク長手方向が上下方向姿勢）における単独状態でのラジエータ１００に対して、インタークーラ２００を仮止めして、固定する場合に適用しても良い。   In the first and second embodiments, the intercooler 200 is attached to the radiator 100 in a state where the lower side of the radiator 100 is attached to the vehicle. However, in the vertical posture (the tank longitudinal direction is the vertical posture). The present invention may be applied to the case where the intercooler 200 is temporarily fixed and fixed to the radiator 100 in a single state.

更に、２つの熱交換器として、ラジエータ１００とインタークーラ２００とを例にして説明したが、これに限らず、冷凍装置用のコンデンサー、エンジンオイルやＡＴＦ（オートマッチクトランスミッションフルード）冷却用のオイルクーラ等を対象としても良い。   In addition, the radiator 100 and the intercooler 200 have been described as examples of the two heat exchangers. However, the heat exchanger is not limited to this, and the condenser, engine oil, and oil for cooling the ATF (automatic match transmission fluid) are used. A cooler or the like may be targeted.

第１実施形態におけるラジエータとインタークーラとを示す外観斜視図である。It is an external appearance perspective view which shows the radiator and intercooler in 1st Embodiment. ラジエータとインタークーラの車両への取付け要領を示す側面図である。It is a side view which shows the attachment point to the vehicle of a radiator and an intercooler. 第１実施形態におけるラジエータとインタークーラとの仮止め状態を示す断面図である。It is sectional drawing which shows the temporary fix | stop state of the radiator and intercooler in 1st Embodiment. 第１実施形態におけるラジエータとインタークーラとの固定状態を示す断面図である。It is sectional drawing which shows the fixed state of the radiator and intercooler in 1st Embodiment. 第２実施形態におけるラジエータとインタークーラとの仮止め状態を示す断面図である。It is sectional drawing which shows the temporary fix | stop state of the radiator and intercooler in 2nd Embodiment.

符号の説明Explanation of symbols

１００ ラジエータ（第１熱交換器）
１２２ 仮止めピン（ピン）
１２２ａ 凹部（係止部）
１２２ｂ 凸部（係止部）
２００ インタークーラ（第２熱交換器）
２２２ 板状張出し部（板状部）
２２２ａ 壁部
２２３ 仮止め穴（穴部）
３００ ボルト（締結部材） 100 radiator (first heat exchanger)
122 Temporary pin (pin)
122a recess (locking part)
122b Convex part (locking part)
200 Intercooler (second heat exchanger)
222 Plate-like projecting part (plate-like part)
222a Wall part 223 Temporary fixing hole (hole part)
300 bolt (fastening member)

Claims (4)

第１熱交換器（１００）に、第２熱交換器（２００）が取付けされるものに適用され、
前記第１、第２熱交換器（１００、２００）のうち、一方の熱交換器（１００）に設けられた仮止め用のピン（１２２）と、
前記第１、第２熱交換器（１００、２００）のうち、他方の熱交換器（２００）に設けられた仮止め用の穴部（２２３）とを有し、
前記ピン（１２２）が前記穴部（２２３）に挿入された後に、前記第２熱交換器（２００）が前記第１熱交換器（１００）に締結部材（３００）によって固定される熱交換器の取付け構造において、
前記ピン（１２２）の先端部には、前記第２熱交換器（２００）の自重により相対的に前記ピン（１２２）が前記穴部（２２３）から抜ける方向に対して、前記穴部（２２３）に係止される係止部（１２２ａ、１２２ｂ）が設けられたことを特徴とする熱交換器の取付け構造。 Applied to the first heat exchanger (100) to which the second heat exchanger (200) is attached,
Of the first and second heat exchangers (100, 200), a temporary fixing pin (122) provided in one heat exchanger (100);
Of the first and second heat exchangers (100, 200), the other heat exchanger (200) has a temporary fixing hole (223),
After the pin (122) is inserted into the hole (223), the second heat exchanger (200) is fixed to the first heat exchanger (100) by a fastening member (300). In the mounting structure of
The tip of the pin (122) has the hole (223) relative to the direction in which the pin (122) comes out of the hole (223) by the weight of the second heat exchanger (200). The heat exchanger mounting structure is provided with a locking portion (122a, 122b) to be locked to. 前記穴部（２２３）は、板状部（２２２）に貫通するように形成され、
前記係止部（１２２ａ、１２２ｂ）は、前記穴部（２２３）の板厚部が入り込む凹部（１２２ａ）としたことを特徴とする請求項１に記載の熱交換器の取付け構造。 The hole (223) is formed to penetrate the plate-like part (222),
The mounting structure for a heat exchanger according to claim 1, wherein the engaging portions (122a, 122b) are concave portions (122a) into which the plate thickness portions of the hole portions (223) are inserted. 前記穴部（２２３）は、板状部（２２２）に貫通するように形成され、
前記係止部（１２２ａ、１２２ｂ）は、前記穴部（２２３）周縁の壁部（２２２ａ）に係合する凸部（１２２ｂ）としたことを特徴とする請求項１に記載の熱交換器の取付け構造。 The hole (223) is formed to penetrate the plate-like part (222),
The said latching | locking part (122a, 122b) was made into the convex part (122b) engaged with the wall part (222a) of the said hole part (223) peripheral edge, The heat exchanger of Claim 1 characterized by the above-mentioned. Mounting structure. 前記凸部（１２２ｂ）は、前記ピン（１２２）の中間部において、先端側に向けて徐々に肉厚が減少するように除肉されることで形成されたことを特徴とする請求項３に記載の熱交換器の取付け構造。   The said convex part (122b) is formed by removing in thickness so that thickness may decrease gradually toward the front end side in the intermediate part of the said pin (122). The mounting structure of the heat exchanger as described.
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