JP2016097791A - Mounting structure of heat exchanger - Google Patents

Mounting structure of heat exchanger Download PDF

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Publication number
JP2016097791A
JP2016097791A JP2014236186A JP2014236186A JP2016097791A JP 2016097791 A JP2016097791 A JP 2016097791A JP 2014236186 A JP2014236186 A JP 2014236186A JP 2014236186 A JP2014236186 A JP 2014236186A JP 2016097791 A JP2016097791 A JP 2016097791A
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heat exchanger
sliding
support
bracket
stay
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誠 堰合
Makoto Sekiai
誠 堰合
小泉　浩
Hiroshi Koizumi
浩 小泉
佑介 大島
Yusuke Oshima
佑介 大島
直也 辻本
Naoya Tsujimoto
直也 辻本
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Marelli Corp
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Calsonic Kansei Corp
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  • Air-Conditioning For Vehicles (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a structure that can sufficiently secure strength for mounting heat exchangers that are mounted while being superposed on each other.SOLUTION: A heat exchange device 1 includes: a first heat exchanger 10 and a second heat exchanger 50 aligned in a direction where cooling air passes. The first heat exchanger 10 includes: a support 40 (sliding support part) for slidably supporting one end of the second heat exchanger 50 in a longitudinal direction of the second heat exchanger 50; and a bracket 20 (locking support part) for supporting the other end of the second heat exchanger 50 at a predetermined position in a longitudinal direction of the second heat exchanger 50.SELECTED DRAWING: Figure 1

Description

本発明は、車両に設けられる熱交換器の取り付け構造に関する。   The present invention relates to a mounting structure for a heat exchanger provided in a vehicle.

特許文献１には、車両に設けられるサブラジエータがコンデンサに重ね合わせて取り付けられる熱交換器の取り付け構造が開示されている。   Patent Document 1 discloses a heat exchanger mounting structure in which a sub-radiator provided in a vehicle is mounted on a condenser in an overlapping manner.

上記の取り付け構造では、サブラジエータの左右端部がコンデンサにボルト及びナットを介して締結される。   In the above mounting structure, the left and right ends of the sub-radiator are fastened to the capacitor via bolts and nuts.

特開２０１４−１１５０５９号公報JP 2014-115059 A

しかしながら、このような従来の熱交換器の取り付け構造にあっては、サブラジエータとコンデンサとの間に熱膨張差が生じると、サブラジエータをコンデンサに支持する部位に応力が生じるため、サブラジエータの取り付け強度を確保することが難しいという問題がある。   However, in such a conventional heat exchanger mounting structure, if a difference in thermal expansion occurs between the sub-radiator and the condenser, a stress is generated at a portion where the sub-radiator is supported by the condenser. There is a problem that it is difficult to secure the mounting strength.

本発明は、上記の問題点に鑑みてなされたものであり、重ね合わせて取り付けられる熱交換器の取り付け強度が十分に確保される構造を提供することを目的とする。   The present invention has been made in view of the above problems, and an object of the present invention is to provide a structure in which the mounting strength of a heat exchanger that is mounted in an overlapping manner is sufficiently secured.

本発明のある態様によれば、車両に設けられる熱交換器の取り付け構造であって、冷却空気が通過する方向に並ぶ第１熱交換器及び第２熱交換器を備え、第１熱交換器は、第２熱交換器の一方の端部を第２熱交換器の長手方向に摺動自在に支持する摺動支持部と、第２熱交換器の他方の端部を第２熱交換器の長手方向の所定位置に支持する係止支持部と、を備えたことを特徴とする熱交換器の取り付け構造が提供される。   According to an aspect of the present invention, a heat exchanger mounting structure provided in a vehicle includes a first heat exchanger and a second heat exchanger arranged in a direction in which cooling air passes, and the first heat exchanger Includes a sliding support portion that slidably supports one end of the second heat exchanger in the longitudinal direction of the second heat exchanger, and the other end of the second heat exchanger as the second heat exchanger. An attachment structure for a heat exchanger is provided, characterized in that it includes a locking support portion that supports a predetermined position in the longitudinal direction.

上記態様によれば、第１熱交換器と第２熱交換器との間に生じる熱膨張差は、摺動支持部に対して第２熱交換器の一方の端部が第２熱交換器の長手方向に摺動することで吸収される。これにより、熱交換装置は、係止支持部に生じる応力が低減され、第２熱交換器の取り付け強度が十分に確保される。   According to the above aspect, the difference in thermal expansion that occurs between the first heat exchanger and the second heat exchanger is such that one end of the second heat exchanger is in the second heat exchanger with respect to the sliding support portion. It is absorbed by sliding in the longitudinal direction. Thereby, as for a heat exchange apparatus, the stress which arises in a latching support part is reduced, and the attachment intensity | strength of a 2nd heat exchanger is fully ensured.

本発明の実施形態に係る熱交換器の取り付け構造を示す正面図である。It is a front view which shows the attachment structure of the heat exchanger which concerns on embodiment of this invention. 図１のII−II線に沿う断面図である。It is sectional drawing which follows the II-II line of FIG. 図１のIII−III線に沿う断面図である。It is sectional drawing which follows the III-III line of FIG. 熱交換器の取り付け動作を示す断面図である。It is sectional drawing which shows the attachment operation | movement of a heat exchanger. 熱交換器の取り付け動作を示す断面図である。It is sectional drawing which shows the attachment operation | movement of a heat exchanger. 熱交換器の取り付け動作を示す断面図である。It is sectional drawing which shows the attachment operation | movement of a heat exchanger.

以下、添付図面を参照しながら本発明の実施形態について説明する。なお、車両の前後方向を単に前後方向と称し、車幅方向を左右方向と称して説明する。   Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the following description, the vehicle front-rear direction is simply referred to as the front-rear direction, and the vehicle width direction is referred to as the left-right direction.

図１は、本実施形態に係る熱交換装置１を前方から見た正面図である。熱交換装置１は、車両のエンジンルームの前部に搭載される第１熱交換器１０と、第１熱交換器１０の前方に並んで配置される第２熱交換器５０と、を備える。   FIG. 1 is a front view of a heat exchange device 1 according to the present embodiment as viewed from the front. The heat exchange device 1 includes a first heat exchanger 10 mounted in the front part of the engine room of the vehicle, and a second heat exchanger 50 that is arranged side by side in front of the first heat exchanger 10.

車両には、第２熱交換器５０の前方に車両走行風を取り入れる開口部(図示省略)が設けられる。第１熱交換器１０の後方にエンジンのラジエータ(図示省略)が設けられる。ラジエータの後方にファン（図示省略）が設けられる。熱交換装置１では、車両走行風またはファンによって送られる強制風が第２熱交換器５０、第１熱交換器１０、ラジエータを順に通過する。つまり、第１熱交換器１０と第２熱交換器５０とは、冷却空気(外気)が通過する方向に並んで設けられている。   The vehicle is provided with an opening (not shown) for taking in the vehicle traveling wind in front of the second heat exchanger 50. An engine radiator (not shown) is provided behind the first heat exchanger 10. A fan (not shown) is provided behind the radiator. In the heat exchange device 1, vehicle traveling wind or forced wind sent by a fan passes through the second heat exchanger 50, the first heat exchanger 10, and the radiator in order. That is, the 1st heat exchanger 10 and the 2nd heat exchanger 50 are provided along with the direction through which cooling air (outside air) passes.

第１熱交換器１０は、車両の空調装置（図示省略）に設けられるコンデンサである。   The first heat exchanger 10 is a condenser provided in a vehicle air conditioner (not shown).

第１熱交換器１０は、中央部に設けられるコア部１２と、コア部１２の両端に設けられる対のタンク１１、１３と、を備える。第１熱交換器１０では、コンプレッサ（図示省略）から送られる冷媒が、配管が接続されるインレット（図示省略）から一方のタンク１１に流入し、コア部１２を循環した後に、他方のタンク１３からアウトレット（図示省略）に接続される配管を介して流出する。第１熱交換器１０では、コア部１２を循環する冷媒と、コア部１２を通過する冷却空気との間で熱交換が行われ、コンプレッサから送られる高温高圧のガス冷媒が凝縮液化する。   The first heat exchanger 10 includes a core portion 12 provided at the center portion and a pair of tanks 11 and 13 provided at both ends of the core portion 12. In the first heat exchanger 10, the refrigerant sent from the compressor (not shown) flows into one tank 11 from an inlet (not shown) to which a pipe is connected, circulates through the core portion 12, and then the other tank 13. Flows out through a pipe connected to an outlet (not shown). In the 1st heat exchanger 10, heat exchange is performed between the refrigerant | coolant which circulates through the core part 12, and the cooling air which passes the core part 12, and the high-temperature / high pressure gas refrigerant sent from a compressor condenses and liquefies.

第１熱交換器１０は、４個のブラケット１５〜１９を介して車体（図示省略）に支持される。上下方向に延びる一方のタンク１１は、その上下端部がブラケット１５、１６を介して車体に支持される。同様に、上下方向に延びる他方のタンク１３は、その上下端部がブラケット１７、１８を介して車体に支持される。   The first heat exchanger 10 is supported on the vehicle body (not shown) via the four brackets 15 to 19. The upper and lower ends of one tank 11 extending in the vertical direction are supported by the vehicle body via brackets 15 and 16. Similarly, the other tank 13 extending in the vertical direction has upper and lower ends supported by the vehicle body via brackets 17 and 18.

第２熱交換器５０は、インバータなどの電気部品や電動機を冷却する強電系冷却装置（図示省略）に設けられるサブラジエータである。   The second heat exchanger 50 is a sub-radiator provided in a high-power cooling device (not shown) that cools electric components such as an inverter and an electric motor.

第２熱交換器５０は、中央部に設けられるコア部５３と、コア部５３の両端に設けられる対の樹脂製のタンク５２、５４と、を備える。第２熱交換器５０では、強電系冷却装置の冷却部から送られる冷媒が、配管(図示省略)が接続されるインレット５１から一方のタンク５２に流入し、コア部５３を循環した後に、他方のタンク５４から配管(図示省略)が接続されるアウトレット５５を通じて流出し、電気部品などの冷却部に送られる。第２熱交換器５０では、コア部５３を循環する冷媒と、コア部５３を通過する冷却空気との間で熱交換が行われ、冷却部から送られる高温の冷媒が冷却される。   The second heat exchanger 50 includes a core portion 53 provided at the center portion, and a pair of resin tanks 52 and 54 provided at both ends of the core portion 53. In the second heat exchanger 50, the refrigerant sent from the cooling unit of the high-power system cooling device flows into the one tank 52 from the inlet 51 to which the pipe (not shown) is connected, circulates through the core unit 53, and then the other From the tank 54 through an outlet 55 to which piping (not shown) is connected, and sent to a cooling unit such as an electrical component. In the second heat exchanger 50, heat exchange is performed between the refrigerant circulating in the core portion 53 and the cooling air passing through the core portion 53, and the high-temperature refrigerant sent from the cooling portion is cooled.

タンク５２、５４は、樹脂製のタンク部材に金属製のプレート部材が結合される構成である。なお、これに限らず、タンク５２、５４は、全てを金属製の部材で形成する構成であってもよい。   The tanks 52 and 54 are configured such that a metal plate member is coupled to a resin tank member. In addition, the structure which forms not only this but the tanks 52 and 54 with metal members may be sufficient.

以下、第２熱交換器５０の取り付け構造について説明する。   Hereinafter, the mounting structure of the second heat exchanger 50 will be described.

第２熱交換器５０を車体に支持する支持側の部材として、サポート４０及びブラケット２０が第１熱交換器１０に設けられる。   The support 40 and the bracket 20 are provided in the first heat exchanger 10 as support-side members that support the second heat exchanger 50 on the vehicle body.

第２熱交換器５０は、その左端部から２本の摺動ステー８１、８２が左方向(図1において右方向)に延設される。摺動ステー８１、８２は、サポート４０に摺動自在に支持される。つまり、サポート４０は、第２熱交換器５０の左端部を第２熱交換器５０の長手方向に摺動自在に支持する摺動支持部を構成する。   In the second heat exchanger 50, two sliding stays 81 and 82 are extended from the left end portion in the left direction (right direction in FIG. 1). The sliding stays 81 and 82 are slidably supported by the support 40. That is, the support 40 constitutes a sliding support portion that supports the left end portion of the second heat exchanger 50 slidably in the longitudinal direction of the second heat exchanger 50.

摺動ステー８１、８２は、第２熱交換器５０の樹脂製のタンク５４の下部に一体形成される。摺動ステー８１、８２は、その段部８５(図３参照)から第１熱交換器１０の長手方向(左右方向)に延びる片持ち梁状に形成される。摺動ステー８１、８２は、互いに上下方向に並んで平行に延びる。   The sliding stays 81 and 82 are integrally formed at the lower part of the resin tank 54 of the second heat exchanger 50. The sliding stays 81 and 82 are formed in a cantilever shape extending from the stepped portion 85 (see FIG. 3) in the longitudinal direction (left-right direction) of the first heat exchanger 10. The sliding stays 81 and 82 extend in parallel in the vertical direction.

樹脂製のサポート４０は、第１熱交換器１０のタンク１３に沿って延び、その上下端部がボルト４１、４２を介してブラケット１５、１６にそれぞれ締結される。   The resin support 40 extends along the tank 13 of the first heat exchanger 10, and upper and lower ends thereof are fastened to the brackets 15 and 16 via bolts 41 and 42, respectively.

樹脂製のサポート４０には、摺動ステー８１、８２がそれぞれ摺動自在に差し込まれるサポート孔４３、４４が形成される。   Support holes 43 and 44 into which sliding stays 81 and 82 are slidably inserted are formed in the resin support 40.

図２に示すように、サポート孔４３は、摺動ステー８１を上下方向について挟むように延びる対のサポート壁部４７と、対のサポート壁部４７の間に梁状にわたされるサポート梁部４８と、サポート梁部４８との間に摺動ステー８１を前後方向について挟むように延びるサポート壁部４９Ａ、４９Ｂと、によって形成される。   As shown in FIG. 2, the support hole 43 includes a pair of support wall portions 47 extending so as to sandwich the sliding stay 81 in the up-down direction, and a support beam portion 48 that is extended in a beam shape between the pair of support wall portions 47. And support wall portions 49A and 49B extending so as to sandwich the sliding stay 81 between the support beam portion 48 in the front-rear direction.

サポート壁部４９Ａは、第１熱交換器１０の長手方向(左右方向)に延びる平面状に形成される。サポート壁部４９Ｂは、サポート壁部４９Ａに対して傾斜して延びるように形成される。これにより、第２熱交換器５０の取り付け時に、摺動ステー８１がサポート孔４３に差し込まれる際に、摺動ステー８１がサポート壁部４９Ａに沿って傾斜するようになっている(図４参照)。   The support wall portion 49 </ b> A is formed in a planar shape extending in the longitudinal direction (left-right direction) of the first heat exchanger 10. The support wall portion 49B is formed to be inclined and extend with respect to the support wall portion 49A. Accordingly, when the second heat exchanger 50 is attached, when the sliding stay 81 is inserted into the support hole 43, the sliding stay 81 is inclined along the support wall portion 49A (see FIG. 4). ).

サポート４０には、サポート壁部４９Ａから爪状に突出する弾性爪４６(押圧部)が形成される。サポート孔４３に摺動ステー８１が挿入された取り付け状態で、弾性爪４６は、摺動ステー８１に当接して撓み変形し、摺動ステー８１をサポート梁部４８(サポート孔４３の内壁)に押圧する。   The support 40 is formed with an elastic claw 46 (pressing portion) that protrudes in a claw shape from the support wall portion 49A. With the sliding stay 81 inserted into the support hole 43, the elastic claw 46 abuts on the sliding stay 81 and is bent and deformed, and the sliding stay 81 becomes a support beam portion 48 (inner wall of the support hole 43). Press.

また、サポート孔４４は、サポート孔４３と同様に形成される。   The support hole 44 is formed in the same manner as the support hole 43.

第２熱交換器５０は、その右端部から１本の固定ステー６０が右方向(図1において左方向)に延設される。固定ステー６０は、ブラケット２０にボルト９５を介して締結される。つまり、ブラケット２０は、第２熱交換器５０の右端部を第２熱交換器５０の長手方向の所定位置に支持する係止支持部を構成する。   In the second heat exchanger 50, one fixed stay 60 extends from the right end portion in the right direction (left direction in FIG. 1). The fixed stay 60 is fastened to the bracket 20 via a bolt 95. That is, the bracket 20 constitutes a locking support portion that supports the right end portion of the second heat exchanger 50 at a predetermined position in the longitudinal direction of the second heat exchanger 50.

図３に示すように、ブラケット２０は、第１熱交換器１０のタンク１１に固定される基端部２０Ａと、基端部２０Ａから前方に突出するアーム部２０Ｂと、アーム部２０Ｂから左方向(図３において右方向)に延びる先端部２０Ｃと、を有する。   As shown in FIG. 3, the bracket 20 includes a base end portion 20A fixed to the tank 11 of the first heat exchanger 10, an arm portion 20B protruding forward from the base end portion 20A, and a leftward direction from the arm portion 20B. And a tip portion 20C extending in the right direction in FIG.

ブラケット２０の基端部２０Ａは、タンク１１の取り付け孔１１Aに挿入される突起部２１と、タンク１１に接合される接合面２２と、を有する。金属製のブラケット２０は、その接合面２２が金属製のタンク１１にロウ付けなどによって結合される。   The base end portion 20 </ b> A of the bracket 20 includes a protrusion 21 that is inserted into the mounting hole 11 </ b> A of the tank 11 and a joint surface 22 that is joined to the tank 11. The joint surface 22 of the metal bracket 20 is coupled to the metal tank 11 by brazing or the like.

ブラケット２０の先端部２０Ｃは、左右方向に延びる平板状に形成され、その前後面に平面状に延びる第１座面２４及び第２座面２５を有する。先端部２０Ｃの中程には、ボルト９５を通す取り付け孔２３が形成される。   The front end portion 20C of the bracket 20 is formed in a flat plate shape extending in the left-right direction, and has a first seat surface 24 and a second seat surface 25 extending in a planar shape on the front and rear surfaces thereof. A mounting hole 23 through which the bolt 95 is passed is formed in the middle of the tip portion 20C.

固定ステー６０は、第２熱交換器５０の樹脂製のタンク５２に一体形成される。固定ステー６０は、ブラケット２０の先端部２０Ｃを挟むように延びる対のガイド壁部６４と、対のガイド壁部６４の間に梁状にわたされる締結板部６１及びガイド部６３と、を有する。ブラケット２０の先端部２０Ｃは、第２熱交換器５０の取り付け時に締結板部６１とガイド部６３との間に差し込まれるようになっている。   The fixed stay 60 is integrally formed with the resin tank 52 of the second heat exchanger 50. The fixed stay 60 includes a pair of guide wall portions 64 extending so as to sandwich the tip end portion 20 </ b> C of the bracket 20, and a fastening plate portion 61 and a guide portion 63 extending in a beam shape between the pair of guide wall portions 64. . The front end portion 20 </ b> C of the bracket 20 is inserted between the fastening plate portion 61 and the guide portion 63 when the second heat exchanger 50 is attached.

締結板部６１には、ボルト９５を螺合させる金属製のＪナット９０が取り付けられる。Ｊナット９０は、ブラケット２０に締結される固定ステー６０の締結部を構成する。   A metal J nut 90 to which the bolt 95 is screwed is attached to the fastening plate portion 61. The J nut 90 constitutes a fastening portion of the fixed stay 60 fastened to the bracket 20.

Ｊナット９０は、ボルト９５を貫通させる座部９１と、ボルト９５を螺合させる内周ネジ部を持つナット部９２と、座部９１とナット部９２とを結ぶ湾曲した連結部９３と、を有する。Ｊナット９０は、座部９１とナット部９２との間に締結板部６１を挟み込むようにして固定ステー６０に取り付けられる。Ｊナット９０の座部９１は、ブラケット２０の第２座面２５に当接する。   The J nut 90 includes a seat portion 91 through which the bolt 95 passes, a nut portion 92 having an inner peripheral screw portion into which the bolt 95 is screwed, and a curved connecting portion 93 that connects the seat portion 91 and the nut portion 92. Have. The J nut 90 is attached to the fixed stay 60 so that the fastening plate portion 61 is sandwiched between the seat portion 91 and the nut portion 92. The seat portion 91 of the J nut 90 abuts on the second seat surface 25 of the bracket 20.

なお、固定ステー６０の締結部は、固定ステー６０に取り付けられるＪナット９０に限らず、樹脂製の固定ステー６０にインサート成型されるネジ部材であってもよい。   The fastening portion of the fixed stay 60 is not limited to the J nut 90 attached to the fixed stay 60, and may be a screw member that is insert-molded into the resin fixed stay 60.

ボルト９５の頭部は、平ワッシャ９７を介してブラケット２０の第１座面２４に当接する。ボルト９５の頭部と平ワッシャ９７との間には、バネワッシャ９６が介装される。バネワッシャ９６は、ボルト９５の締結力によって圧縮され、その弾性復元力によってボルト９５の緩み止めをする。   The head of the bolt 95 abuts against the first seat surface 24 of the bracket 20 via the flat washer 97. A spring washer 96 is interposed between the head of the bolt 95 and the flat washer 97. The spring washer 96 is compressed by the fastening force of the bolt 95, and the bolt 95 is prevented from loosening by its elastic restoring force.

ガイド部６３は、Ｊナット９０の座部９１に対して前方及び右方向(図３にて左方向)に所定の距離だけ離して形成され、第２熱交換器５０の取り付け時にブラケット２０に係合する。   The guide portion 63 is formed at a predetermined distance from the seat portion 91 of the J nut 90 in the forward and right directions (left direction in FIG. 3), and is engaged with the bracket 20 when the second heat exchanger 50 is attached. Match.

ブラケット２０の第１座面２４には、ボルト９５の頭部を受ける基準面２４Ａに対して傾斜する傾斜部２６が形成される。傾斜部２６は、第１座面２４の中程から左方向(図３において右方向)にかけて前方に向かうように傾斜している。傾斜部２６は、ブラケット２０の先端部２０Ｃの差し込み方向(第２熱交換器５０の長手方向)に対して傾斜している。   The first seat surface 24 of the bracket 20 is formed with an inclined portion 26 that is inclined with respect to a reference surface 24A that receives the head of the bolt 95. The inclined portion 26 is inclined so as to be directed forward from the middle of the first seating surface 24 to the left direction (right direction in FIG. 3). The inclined portion 26 is inclined with respect to the insertion direction of the distal end portion 20C of the bracket 20 (the longitudinal direction of the second heat exchanger 50).

傾斜部２６が第１座面２４の基準面２４Ａに対して前方に突出する最大突出量Ｌは、第２熱交換器５０の取り付け時に差し込まれるブラケット２０の第２座面２５がＪナット９０の座部９１に十分に近づき、両者が密着するように設定される。   The maximum protrusion amount L that the inclined portion 26 protrudes forward with respect to the reference surface 24 </ b> A of the first seat surface 24 is such that the second seat surface 25 of the bracket 20 that is inserted when the second heat exchanger 50 is attached is It is set so as to be sufficiently close to the seat portion 91 and to be in close contact with each other.

次に、第２熱交換器５０を第１熱交換器１０に取り付ける作業時の動作について説明する。   Next, the operation | movement at the time of the operation | work which attaches the 2nd heat exchanger 50 to the 1st heat exchanger 10 is demonstrated.

まず、図４に示すように、摺動ステー８１をサポート孔４３に挿入して、固定ステー６０(第２熱交換器５０)を矢印Ａで示すように左方向(図４において右方向)に移動する。このときに、摺動ステー８１の段部８５がサポート梁部４８に当接することにより、第２熱交換器５０の移動範囲が規制される。   First, as shown in FIG. 4, the sliding stay 81 is inserted into the support hole 43, and the fixed stay 60 (second heat exchanger 50) is moved leftward (rightward in FIG. 4) as indicated by an arrow A. Moving. At this time, the moving range of the second heat exchanger 50 is restricted by the step 85 of the sliding stay 81 coming into contact with the support beam 48.

続いて、図５に示すように、サポート孔４３に挿入された摺動ステー８１を支点として、固定ステー６０(第２熱交換器５０)を矢印Ｂで示すように後方向に回動させる。   Subsequently, as shown in FIG. 5, the fixed stay 60 (second heat exchanger 50) is rotated backward as indicated by an arrow B with the sliding stay 81 inserted into the support hole 43 as a fulcrum.

このときに、第２熱交換器５０は、ガイド部６３がブラケット２０の第１座面２４に係合することにより、Ｊナット９０の座部９１がブラケット２０の第２座面２５より若干後方に来るように位置決めされる。こうして、ブラケット２０に対する固定ステー６０の回動範囲がガイド部６３によって規制されることにより、固定ステー６０がブラケット２０の先端部２０Ｃから離れることがなく、第２熱交換器５０が第１熱交換器１０に衝突することが防止される。   At this time, in the second heat exchanger 50, the guide portion 63 is engaged with the first seat surface 24 of the bracket 20, so that the seat portion 91 of the J nut 90 is slightly behind the second seat surface 25 of the bracket 20. Positioned to come in. In this way, the rotation range of the fixed stay 60 relative to the bracket 20 is restricted by the guide portion 63, so that the fixed stay 60 does not leave the distal end portion 20C of the bracket 20, and the second heat exchanger 50 performs the first heat exchange. Collision with the vessel 10 is prevented.

続いて、図６に示すように、サポート孔４３に挿入された摺動ステー８１を摺動させ、固定ステー６０(第２熱交換器５０)を矢印Ｃで示すように右方向(図６において左方向)にストロークＳだけ移動する。   Subsequently, as shown in FIG. 6, the sliding stay 81 inserted into the support hole 43 is slid, and the fixed stay 60 (second heat exchanger 50) is moved in the right direction (in FIG. 6). Move by stroke S in the left direction).

このときに、ガイド部６３及びガイド壁部６４がブラケット２０に摺接し、固定ステー６０が所定の取り付け位置に案内される。これにより、固定ステー６０に設けられるＪナット９０の座部９１をブラケット２０の取り付け孔２３に対峙させる位置合わせが速やかに行われる。   At this time, the guide part 63 and the guide wall part 64 are in sliding contact with the bracket 20, and the fixed stay 60 is guided to a predetermined mounting position. As a result, the positioning of the seat portion 91 of the J nut 90 provided on the fixed stay 60 against the mounting hole 23 of the bracket 20 is quickly performed.

そして、傾斜部２６がブラケット２０の第１座面２４に摺接することによって固定ステー６０が矢印Ｄで示すように前方向に移動する。こうして、固定ステー６０に設けられるＪナット９０の座部９１がブラケット２０の取り付け孔２３に近づけられて密着する。これにより、ボルト９５が矢印Ｅで示すように取り付け孔２３とナット部９２とにわたって円滑に挿入され、ボルト９５をナット部９２に螺合させる作業が確実に行われる。   Then, as the inclined portion 26 comes into sliding contact with the first seat surface 24 of the bracket 20, the fixed stay 60 moves in the forward direction as indicated by an arrow D. In this way, the seat portion 91 of the J nut 90 provided on the fixed stay 60 is brought close to and closely attached to the mounting hole 23 of the bracket 20. As a result, the bolt 95 is smoothly inserted between the mounting hole 23 and the nut portion 92 as indicated by the arrow E, and the operation of screwing the bolt 95 into the nut portion 92 is performed reliably.

このようにして、第２熱交換器５０を第１熱交換器１０に重ね合わせる位置合わせが的確に行われ、ボルト９５を介して第１熱交換器１０に取り付ける作業が速やかに行われる。   In this way, the positioning for superimposing the second heat exchanger 50 on the first heat exchanger 10 is accurately performed, and the operation of attaching the first heat exchanger 10 to the first heat exchanger 10 via the bolt 95 is quickly performed.

また、第２熱交換器５０を取り外す作業時には、上記取り付け作業時と逆の動作が行われることにより、第２熱交換器５０が第１熱交換器１０から取り外される。   In addition, when the second heat exchanger 50 is removed, the second heat exchanger 50 is removed from the first heat exchanger 10 by performing an operation reverse to that in the attachment operation.

次に、車両の運転時における熱交換装置１の作動について説明する。   Next, the operation of the heat exchange device 1 during vehicle operation will be described.

空調装置の作動時に、第１熱交換器１０では、コンプレッサから送られる冷媒が循環し、冷媒と冷却空気との間で熱交換が行われ、高温高圧のガス冷媒が凝縮液化する。   During the operation of the air conditioner, in the first heat exchanger 10, the refrigerant sent from the compressor circulates, heat exchange is performed between the refrigerant and the cooling air, and the high-temperature and high-pressure gas refrigerant is condensed and liquefied.

一方、第２熱交換器５０では、強電系冷却装置の冷却部から送られる冷媒が、循環し、冷媒と冷却空気との間で熱交換が行われ、高温の冷媒が冷却される。   On the other hand, in the 2nd heat exchanger 50, the refrigerant | coolant sent from the cooling part of a strong electric system cooling device circulates, heat exchange is performed between a refrigerant | coolant and cooling air, and a high temperature refrigerant | coolant is cooled.

空調装置及び強電系冷却装置の作動状態に応じて第１熱交換器１０と第２熱交換器５０を循環する冷媒の温度差が生じると、第１熱交換器１０と第２熱交換器５０との間に熱膨張差が生じる。このときに、サポート４０に対して摺動ステー８１、８２が図１に矢印Ｆで示すように第２熱交換器５０の長手方向に摺動することにより、第１熱交換器１０と第２熱交換器５０との熱膨張差が吸収される。これにより、熱交換装置１は、固定ステー６０とブラケット２０との締結部に生じる応力が低減され、十分な強度が確保される。   When a temperature difference between the refrigerant circulating in the first heat exchanger 10 and the second heat exchanger 50 occurs according to the operating state of the air conditioner and the strong electric system cooling device, the first heat exchanger 10 and the second heat exchanger 50 are generated. There is a difference in thermal expansion. At this time, the sliding stays 81 and 82 slide with respect to the support 40 in the longitudinal direction of the second heat exchanger 50 as indicated by an arrow F in FIG. The difference in thermal expansion from the heat exchanger 50 is absorbed. Thereby, as for the heat exchange apparatus 1, the stress which arises in the fastening part of the fixed stay 60 and the bracket 20 is reduced, and sufficient intensity | strength is ensured.

熱交換装置１では、固定ステー６０とブラケット２０とがボルト９５を介して固定されているため、第２熱交換器５０が第１熱交換器１０に対して熱膨張差によって変位する量が小さく抑えられ、エンジンルーム内の部品などと干渉することが防止される。   In the heat exchange device 1, since the fixed stay 60 and the bracket 20 are fixed via the bolts 95, the amount of displacement of the second heat exchanger 50 with respect to the first heat exchanger 10 due to the difference in thermal expansion is small. It is suppressed and interference with parts in the engine room is prevented.

車両の走行時には、車体から衝撃や振動が熱交換装置１に伝えられる。このときに、第２熱交換器５０では、弾性爪４６の弾性復元力によって摺動ステー８１がサポート梁部４８(サポート孔４３の内壁)に押圧されていることにより、摺動ステー８１にガタツキが生じることが抑えられる。   When the vehicle travels, impact and vibration are transmitted from the vehicle body to the heat exchange device 1. At this time, in the second heat exchanger 50, the sliding stay 81 is pressed against the support beam portion 48 (inner wall of the support hole 43) by the elastic restoring force of the elastic claw 46. Is suppressed.

次に、本実施形態の効果について説明する。   Next, the effect of this embodiment will be described.

本実施形態によれば、熱交換装置１は、冷却空気が通過する方向に並ぶ第１熱交換器１０及び第２熱交換器５０を備える。第１熱交換器１０は、第２熱交換器５０の一方の端部を第２熱交換器５０の長手方向に摺動自在に支持するサポート４０(摺動支持部)と、第２熱交換器５０の他方の端部を第２熱交換器５０の長手方向の所定位置に支持するブラケット２０(係止支持部)と、を備える。   According to the present embodiment, the heat exchange device 1 includes the first heat exchanger 10 and the second heat exchanger 50 arranged in the direction in which the cooling air passes. The first heat exchanger 10 includes a support 40 (sliding support portion) that slidably supports one end of the second heat exchanger 50 in the longitudinal direction of the second heat exchanger 50, and a second heat exchange. A bracket 20 (locking support portion) that supports the other end of the cooler 50 at a predetermined position in the longitudinal direction of the second heat exchanger 50.

上記構成に基づき、第１熱交換器１０と第２熱交換器５０との間に生じる熱膨張差は、サポート４０に対して第２熱交換器５０の一方の端部が第２熱交換器５０の長手方向に摺動することで吸収される。これにより、熱交換装置１は、ブラケット２０(係止支持部)に生じる応力が低減され、第２熱交換器５０の取り付け強度が十分な確保される。さらに、熱交換装置１は、第１熱交換器１０と第２熱交換器５０との間に熱膨張差を吸収するゴム製マウント部材などを介装する必要がなく、構造の簡素化がはかれる。   Based on the above configuration, the difference in thermal expansion that occurs between the first heat exchanger 10 and the second heat exchanger 50 is such that one end of the second heat exchanger 50 has a second heat exchanger with respect to the support 40. 50 is absorbed by sliding in the longitudinal direction. Thereby, as for the heat exchange apparatus 1, the stress which arises in the bracket 20 (locking support part) is reduced, and sufficient attachment strength of the 2nd heat exchanger 50 is ensured. Further, the heat exchange device 1 does not require a rubber mount member or the like that absorbs a difference in thermal expansion between the first heat exchanger 10 and the second heat exchanger 50, so that the structure can be simplified. .

また、ブラケット２０(係止支持部)には、第２熱交換器５０の固定ステー６０(端部)が固定される。このため、第１熱交換器１０に対する第２熱交換器５０の変位が小さく抑えられ、第２熱交換器５０がエンジンルーム内の部品（車両搭載機器）と干渉することが防止される。   Further, the fixing stay 60 (end portion) of the second heat exchanger 50 is fixed to the bracket 20 (locking support portion). For this reason, the displacement of the 2nd heat exchanger 50 with respect to the 1st heat exchanger 10 is suppressed small, and it is prevented that the 2nd heat exchanger 50 interferes with the components (vehicle mounting equipment) in an engine room.

また、第２熱交換器５０は、第２熱交換器５０の長手方向に延びる摺動ステー８１を備える。サポート４０(摺動支持部)は、摺動ステー８１が摺動自在に挿入されるサポート孔４３と、摺動ステー８１をサポート孔４３の内壁に押圧する弾性爪４６(押圧部)と、を有する。   The second heat exchanger 50 includes a sliding stay 81 that extends in the longitudinal direction of the second heat exchanger 50. The support 40 (sliding support portion) includes a support hole 43 into which the sliding stay 81 is slidably inserted, and an elastic claw 46 (pressing portion) that presses the sliding stay 81 against the inner wall of the support hole 43. Have.

上記構成に基づき、第２熱交換器５０は、弾性爪４６の弾性復元力によって摺動ステー８１がサポート孔４３の内壁に押圧されることにより、車体から第１熱交換器１０を介して伝えられる衝撃や振動によってガタツキが生じることが抑えられる。   Based on the above configuration, the second heat exchanger 50 is transmitted from the vehicle body via the first heat exchanger 10 by the sliding stay 81 being pressed against the inner wall of the support hole 43 by the elastic restoring force of the elastic claw 46. It is possible to suppress the occurrence of rattling due to applied shock and vibration.

以上、本発明の実施形態について説明したが、上記実施形態は本発明の適用例の一部を示したに過ぎず、本発明の技術的範囲を上記実施形態の具体的構成に限定する趣旨ではない。   The embodiment of the present invention has been described above. However, the above embodiment only shows a part of application examples of the present invention, and the technical scope of the present invention is limited to the specific configuration of the above embodiment. Absent.

本発明は、コンデンサ、サブラジエータを備えるものに限らず、エンジンのラジエータ、オイルクーラ、チャージエアクーラなどの熱交換器を備えるものにも適用できる。   The present invention is not limited to the one having a condenser and a sub-radiator, but can be applied to one having a heat exchanger such as an engine radiator, an oil cooler, and a charge air cooler.

１ 熱交換装置
１０ 第１熱交換器
２０ ブラケット(係止支持部)
４０ サポート(摺動支持部)
４３、４４ サポート孔
４６ 弾性爪(押圧部)
５０ 第２熱交換器
６０ 固定ステー
８１、８２ 摺動ステー 1 Heat Exchanger 10 First Heat Exchanger 20 Bracket (Locking Support)
40 Support (sliding support)
43, 44 Support hole 46 Elastic claw (pressing part)
50 Second heat exchanger 60 Fixed stay 81, 82 Sliding stay

Claims (3)

車両に設けられる熱交換器の取り付け構造であって、
冷却空気が通過する方向に並ぶ第１熱交換器及び第２熱交換器を備え、
前記第１熱交換器は、
前記第２熱交換器の一方の端部を前記第２熱交換器の長手方向に摺動自在に支持する摺動支持部と、
前記第２熱交換器の他方の端部を前記第２熱交換器の長手方向の所定位置に支持する係止支持部と、を備えることを特徴とする熱交換器の取り付け構造。 A heat exchanger mounting structure provided in a vehicle,
A first heat exchanger and a second heat exchanger arranged in a direction in which cooling air passes,
The first heat exchanger is
A sliding support portion that slidably supports one end of the second heat exchanger in the longitudinal direction of the second heat exchanger;
An attachment structure for a heat exchanger, comprising: a locking support portion for supporting the other end of the second heat exchanger at a predetermined position in a longitudinal direction of the second heat exchanger. 請求項１に記載の熱交換器の取り付け構造であって、
前記係止支持部には、前記第２熱交換器の端部が固定されることを特徴とする熱交換器の取り付け構造。 The heat exchanger mounting structure according to claim 1,
The heat exchanger mounting structure, wherein an end of the second heat exchanger is fixed to the locking support portion. 請求項１又は２に記載の熱交換器の取り付け構造であって、
前記第２熱交換器は、前記第２熱交換器の長手方向に延びる摺動ステーを備え、
前記摺動支持部は、
前記摺動ステーが摺動自在に挿入されるサポート孔と、
前記摺動ステーを前記サポート孔の内壁に押圧する押圧部と、を有することを特徴とする熱交換器の取り付け構造。 The heat exchanger mounting structure according to claim 1 or 2,
The second heat exchanger includes a sliding stay extending in a longitudinal direction of the second heat exchanger,
The sliding support part is
A support hole into which the sliding stay is slidably inserted;
A heat exchanger mounting structure comprising: a pressing portion that presses the sliding stay against an inner wall of the support hole.
JP2014236186A 2014-11-21 2014-11-21 Mounting structure of heat exchanger Pending JP2016097791A (en)

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