JP2004243953A

JP2004243953A - Condenser unit and its assembling method

Info

Publication number: JP2004243953A
Application number: JP2003037243A
Authority: JP
Inventors: Norio Yoshida; 典生吉田; Junji Kato; 淳司加藤
Original assignee: Denso Corp
Current assignee: Denso Corp
Priority date: 2003-02-14
Filing date: 2003-02-14
Publication date: 2004-09-02
Anticipated expiration: 2023-02-14
Also published as: JP4206774B2

Abstract

<P>PROBLEM TO BE SOLVED: To provide a condenser unit or the like which facilitates a temporary attachment of a bracket to a side plate connected to an evaporator, without deteriorating the appearance of the side plate. <P>SOLUTION: The condenser unit comprises a condenser 10 produced by laminating a plurality of corrugated fins and a heat exchanger tube, a channel-shaped side plate 30 including a bottom wall 31 and side walls 32, 33 with the bottom wall 31 connected to the top-most corrugated fin 12, a base part 51 fixed to a car body, and a bracket 50 which includes a pair of one direction pressing parts 61L, 62L formed on one side bottom end of the base part and are pressed to the first side wall and the second side wall of one end 41L and a pair of the other direction pressing parts 61R, 62R formed on the other side bottom end and are pressed to the first side wall and the second side wall of the other end 41R. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

【０００１】
【発明の属する技術分野】
本発明は、車両用空調装置において使用される蒸発器ユニット及び該凝縮器ユニットの組付方法に関する。
【０００２】
【従来の技術】
車両用空調装置の凝縮器（コンデンサ）は圧縮機から送り込まれる高温高圧のガス冷媒を冷却し液化凝縮させ、放熱する熱交換器である。一般にラジエタの前方に配置され、外気や冷却ファンで冷却される。
【０００３】
コンデンサの一種に、複数のコルゲートフィンと熱交換管とを交互に積層したタイプのものがある。積層体の一側及び他側において一方ヘッダ及び他方ヘッダが各チューブの他端に結合されている。また積層体の最上位又は最下位のコルゲートフィンの上側又は下側にサイドプレートが結合されている。
【０００４】
コンデンサは、サイドプレートにブラケットを結合し、このブラケットを車体に固定することによりラジエタの前方に取り付けられる。その場合、サイドプレートとブラケットとの最終的な接合（ろう付け）の前に、両者の位置ずれを防止する等の目的で、サイドプレートにブラケットを仮止めすることが多い。
【０００５】
従来例（特許文献１参照）は、図８に示すように、複数の熱交換管２０１とコルゲートフィン２０３とを積層して成る熱交換器において、コルゲートフィン２０３の上端に、上方に向かって開口するチャネル状のサイドプレート２０５が接合（ろう付け）されている。また、サイドプレート２０５の開口部にブラケット２１０がかしめ及び接合（ろう付け）されている。
【０００６】
尚、熱交換器管２０１がヘッダ２１５に連通されるとともに、サイドプレート２０５の延長部２０６がヘッダ２１５に結合されている。
【０００７】
【特許文献１】
特開平１１−３４７６６６号
【０００８】
【発明が解決しようとする課題】
従来の熱交換器では、サイドプレート２０５の両側壁２０７を内方にかしめてブラケット２１０の張出部２１１に結合する作業が必要となり、サイドプレートへ２０５のブラケット２１０の結合に時間及び手間がかかる。また、サイドプレート２０５の両側壁の上縁に折曲部２０８が形成され、外観を損ねる。
【０００９】
本発明は上記事情に鑑みてなされたもので、蒸発器に接合されたサイドプレートへのブラケットの仮止めが容易で、しかもサイドプレートの外観を損ねることがない凝縮器ユニット及びその組立方法を提供することを目的とする。
【００１０】
【課題を解決するための手段】
本願の発明者は、ブラケットの一部をサイドプレートに押圧させ、摩擦を利用して仮止めすることを思い付いて本発明を完成した。
▲１▼本願の第１発明による凝縮器ユニットは、請求項１に記載したように、複数のコルゲートフィンと複数の熱交換チューブとが交互に積層されて成る凝縮器と；底壁、第１側壁及び第２側壁を含み、底壁が凝縮器の最上位のコルゲートフィンに接合されたチャネル状のサイドプレートと；車体に固定される基部と、基部の一側下端に形成されサイドプレートの一端の第１側壁及び第２側壁に押圧された一対の一方押圧部と、他側下端に形成されサイドプレートの他端の第１側壁及び第２側壁に押圧された一対の他方押圧部と、を含むブラケットと；から成ることを特徴とする。
【００１１】
この凝縮器ユニットにおいて、ブラケットの一対の一方押圧部がサイドプレートの一端の第１側壁及び第２側壁に押圧され、一対の他方押圧部が他端の第１側壁及び第２側壁に押圧され、両者間の摩擦によりブラケットがサイドプレートに仮止めされている。
【００１２】
請求項２の凝縮器ユニットは請求項１において、ブラケットの基部は上下方向に延び、一対の一方押圧部は横方向一方に延びた一方脚部の幅方向両側に形成され、一対の他方押圧部は横方向他方に延びた他方脚部の幅方向両側に形成されている。
【００１３】
請求項３の凝縮器ユニットは、請求項２において、一対の一方押圧部間に一方切欠きが形成され、一対の他方押圧部間に他方切欠きが形成されている。請求項４の凝縮器ユニットは、請求項２において、一対の一方押圧部は一方脚部よりも上方に位置し、一対の他方押圧部は他方脚部よりも上方に位置している。
▲２▼第２発明による凝縮器ユニットの組立方法は、請求項５に記載したように、底壁、第１側壁及び第２側壁を含み複数のコルゲートフィンと複数の熱交換チューブとが交互に積層されて成る凝縮器の最上位のコルゲートフィンに底壁が接合されたチャネル状のサイドプレートに、車体の一部に固定される基部と基部の一側下端に形成された一対の一方押圧部と他側下端に形成された一対の他方押圧部とを含むブラケットを組み付ける方法であって、
一対の一方押圧部をサイドプレートの一端のくぼみに挿入し一端の第１側壁及び第２側壁により互いに接近する方向に変形させるとともに、一対の他方押圧部を他端のくぼみに挿入し他端の第１側壁及び第２側壁により互いに接近する方向に変形させることを特徴とする。
【００１４】
この組立方法において、サイドプレートをブラケットに挿入すると、一端の第１側壁及び第２側壁が一方の一対の押圧部を近づく方向に変形させるとともに、他端の第１側壁及び第２側壁が他方の一対の押圧部を近づく方向に変形させ、両者間の摩擦によりブラケットがサイドプレートに仮止めされる。
【００１５】
請求項６の組立方法は、請求項５においてブラケットの基部は上下方向に延び、一対の一方押圧部は横方向一方に延びた一方脚部の幅方向両側に形成され、一対の他方押圧部は横方向他方に延びた他方脚部の幅方向両側に形成されている。請求項７の組立方法は、請求項６において、一対の一方押圧部間に一方切欠きが形成され、一対の他方押圧部間に他方切欠きが形成されている。
【００１６】
請求項８の組立方法は、請求項６において、一対の一方押圧部は一方脚部よりも上方に位置し、一対の他方押圧部は他方脚部よりも上方に位置している。請求項９の組立方法は、請求項６において、サイドプレートへの組付け前、ブラケットの一対の一方押圧部は一方脚部の一側面及び他側面から突出し、一対の他方押圧部は他方脚部の一側面及び他側面から突出している。
▲３▼第３発明による凝縮器ユニットの組立方法は、請求項１０に記載したように、底壁、第１側壁及び第２側壁を含み複数のコルゲートフィンと複数の熱交換チューブとが交互に積層されて成る凝縮器の最上位のコルゲートフィンに底壁が接合されたチャネル状のサイドプレートに、車体の一部に固定される基部と、基部の一側下端に形成された一対の一方押圧部と、両一方押圧部間の間の一方工具穴と、他側下端に形成された一対の他方押圧部と、両他方押圧部間の間の他方工具穴とを含むブラケットを組み付ける方法であって、
一対の一方押圧部をサイドプレートの一端のくぼみに挿入するとともに、一対の他方押圧部をサイドプレートの他端のくぼみに挿入し；一方工具穴に挿入した工具により一対の一方押圧部を互いに遠ざかる方向に変形させて一端の第１側壁及び第２側壁に押圧させるとともに、他方工具穴に挿入した工具により一対の他方係止爪を互いに遠ざかる方向に変形させて他端の第１側壁及び第２側壁に押圧させることを特徴とする。
【００１７】
この組付方法において、拡開工具により一対の一方押圧部を遠ざかる方向に変形させると該一方押圧部が一端の第１側壁及び第２側壁に押圧され。また、一対の他方押圧部を遠ざかる方向に変形させると該他方押圧部が他端の第１側壁及び第２側壁に押圧され、両者間の摩擦によりブラケットがサイドプレートに仮止めされる。
【００１８】
請求項１１の組付方法は、請求項１０において、ブラケットの基部は上下方向に延び、一対の一方押圧部及び一方工具穴は横方向一方に延びた一方脚部に形成され、一対の他方押圧部及び他方工具穴は横方向他方に延びた他方脚部に形成されている。請求項１２の組付方法は、請求項１０において、一対の一方押圧部は一方脚部よりも上方に位置し、一対の他方押圧部は他方脚部よりも上方に位置している。
【００１９】
【発明の実施の形態】
＜蒸発器ユニット＞
本発明の蒸発器ユニットは少なくとも蒸発器、サイドプレート及びブラケットを含む。蒸発器ユニットはさらに積層体の一側及び他側にヘッダ（パイプ）を持つことができる。
▲１▼蒸発器は複数のコルゲートフィンと熱交換チューブとが交互に積層された積層体からなる。
▲２▼サイドプレートは最上位のコルゲートフィンに接合され、底壁、第１（前方）側壁及び第２（後方）側壁を備える。上方に開口したくぼみを持つチャネル形状で、熱交換チューブと同程度の長さを持つ。尚、一端及び他端の前方側壁及び後方側壁の内面に、前方押圧部及び後方押圧部の先端が係止される係止溝を形成することもできる。
▲３▼ブラケットは、上下方向に延びた基部、その一側下端に形成され横方向一方に延びた一方脚部、及び他側下端に形成され横方向他方に延びた他方脚部とからなる。一方脚部及び他方脚部は幅方向両側に一対の一方押圧部及び一対の他方押圧部が形成されている。一対の一方押圧部は一側（前側）押圧部と他側（後側）押圧部とを含み、一対の他方押圧部は一側（前側）押圧部と他側（後側）押圧部とを含む。
【００２０】
こうして、一方脚部の前側押圧部及び後側押圧具がサイドプレートの一端の前方側壁及び後方側壁に押圧され、他方脚部の前側押圧部及び後側押圧部が他端の前方側壁及び後方側壁に押圧されている。換言すれば、一端及び他端の前方側壁及び後方側壁が一方脚部及び他方脚部の前側押圧部及び後側押圧部を押圧している。その結果、前側押圧部と前方側壁との間の摩擦及び後側押圧部と後方側壁との間の摩擦により、ブラケットがサイドプレートに仮止めされている。
【００２１】
一方脚部でも他方脚部でも、前側押圧部及び後側押圧部は一方脚部及び他方脚部よりも上方（高い位置）に形成することが望ましい。前側及び後側押圧部の変形能を高めるために、両押圧部間に切欠きを形成することができる。また、前側及び後側押圧部間に、拡開工具を挿入するための工具挿入孔を備えることができる。
【００２２】
尚、発明の実施の形態の凝縮器ユニットは後述する第１，第２及び第３実施例を含む。
＜組付方法＞
本発明の組付方向は二つのタイプに分類される。
▲１▼第１タイプでは、ブラケットの一方脚部の前側押圧部及び後側押圧部と、他方脚部の前側押圧部及び後側押圧部とを、サイドプレートの一端及び他端の前方側壁及び後方側壁により内向きに変形させる。そのために、サイドプレートへの組付前は、ブラケットの前側押圧部及び後側押圧部の先端は一方脚部の前面及び後面から少し突出している。ブラケットの一方脚部及び他方脚部をサイドプレートの一端及び他端のくぼみに挿入するにつれて、一端及び他端の前方側壁及び後方側壁が前側押圧部及び後側押圧部を内向きに変形させる。完全に挿入された状態では、前側押圧部及び後側押圧部と前方側壁及び後方側壁との間の摩擦により、ブラケットがサイドプレートに仮止めされる。
【００２３】
なお、第１タイプは更に、ブラケットの前側押圧部及び後側押圧部の一方脚部及び他方脚部の前面及び後面からの突出量の大小等に応じて、第１型と第２型とに分類される。第１型では前側押圧部及び後側押圧部の突出量が大きく、両押圧部間に大きな変形を可能にするための切欠きが形成されている。また、ブラケットの組付時におけるサイドプレートの変形を防止するために、その後面をバックアップする保持部材を使用する。後述する第１実施例がこの第１型に対応する。
【００２４】
第２型では、前側押圧部及び後側押圧部の突出量が小さく、両押圧部間に切欠きは形成されていない。保持部材も使用しない。後述する第２実施例がこの第２型に対応する。
▲２▼第２タイプでは、ブラケットの一方脚部の前側押圧部及び後側押圧部と、他方脚部の前側押圧部及び後側押圧部とを拡開工具により外向きに変形させる。そのために、サイドプレートへの組付前はブラケットの前側押圧部及び後側押圧部は一方脚部及び他方脚部の前面及び後面と面一である。また、一方脚部及び他方脚部には前側押圧部と後側押圧部との間に一方工具孔及び他方工具孔が形成されている。
【００２５】
前側押圧部及び後側押圧部を拡開すると前方側壁及び後方側壁に押圧され、側押圧部及び後側押圧部と前方側壁及び後方側壁との間の摩擦により、ブラケットがサイドプレートに仮止めされる。後述する第３実施例がこの第２タイプに対応する。
【００２６】
なお、第１タイプの組付方法でも第２タイプの組付方法でも、一方脚部の前側押圧部及び後側押圧部、並びに他方脚部の前側押圧部及び後側押圧部の具体的構成として、上記凝縮器ユニットの欄で記載したのと同様の構成を採用することができる。
【００２７】
【実施例】
以下、本発明の実施例を添付図面を参照しつつ説明する。
＜第１実施例＞
（凝縮器ユニット）
第１実施例の凝縮器ユニットは、図１（上半分のみ図示、下半分は上半分と概ね対称）に示すように、凝縮器（コンデンサ）１０と、左右一対のヘッダ２１及び２３と、サイドプレート３０と、ブラケット５０とを含む。このうち、凝縮器１０は複数のコルゲートフィン１２と複数の熱交換管（チューブ）１３とが交互に積層されて成る。積層体１５の一側（図１において左側）には左方ヘッダ２１が、他側（右側）には右方ヘッダ２３がそれぞれ配置されている。左方ヘッダ２１及び右方ヘッダ２３は熱交換チューブ１３の左端及び右端に接合され、左端開口及び右端開口が左方ヘッダ２１及び右方ヘッダ２３に連通されている。右方ヘッダ２３の周囲には受液器２５が配置されている。
【００２８】
積層体１５の最上位のコルゲートフィン１２にサイドプレート３０が接合されている。図３及び図５（ａ）に示すように、サイドプレート３０は底壁３１と、平行な前方側壁（第１側壁）３２及び後方側壁（第２側壁）３３とから成ってチャネル形状を持ち、熱交換チューブ１３ａの全長にわたって左右方向に延びている。
【００２９】
図１に戻って、サイドプレート３０にはブラケット５０が仮止めされている。ブラケット５０は図２、図３及び図４に示すように、上下方向に延びる基部５１と、その下端の左側及び右側に形成された左方脚部５７Ｌ及び右方脚部５７Ｒとを含み、左右対称である。基部５１は矩形板状の本体５２と、その下端寄りの屈曲部５３を有し、本体５２にボルト貫通用の貫通孔５４が形成されている。また、幅方向（図２及び図３において左右方向）の両側に板厚方向に突出した一対の補強リブ５５が形成されている。
【００３０】
左方脚部５７Ｌは矩形状を持ち、基部５１が位置する空間と直交する平面内において左方向に延び、基部５１の下端縁よりも少し下方に位置している（図２参照）。左方脚部５７Ｌの幅（図３において上下方向寸法）はサイドプレート３０の前方側壁３２及び後方側壁３３の間隔とほぼ等しく、先端縁に上方に屈曲した屈曲部５８Ｌが形成されている。図３，図４及び図５（ａ）から明らかなように、屈曲部５８Ｌは幅方向の中間部に切欠き５９Ｌが形成され、その結果屈曲部５８Ｌの両側に一対の押圧部６１Ｌ及び６２Ｌが形成されている。
【００３１】
図５（ａ）から明らかなように、前側押圧部６１Ｌは少し前方（図３において下方）に屈曲し、左方脚部５７Ｌの前面５７Ｌａから少し突出している。後側押圧部６３Ｌは少し後方（図３において上方）に屈曲し、左方脚部５７Ｌの後面５７Ｌｂから少し突出している。前側押圧部６１Ｌの突出端と後側押圧部６３Ｌの突出端との距離はサイドプレート３０の前方側壁３２及び後方側壁３３間の間隔よりも少し大きい。また、前側押圧部６１Ｌ及び後側押圧部６３Ｌは左方脚部５７Ｌよりも上方に位置している。
【００３２】
ブラケット５０の右方脚部５７Ｒは左方脚部５７Ｌと対称な構成を持つ。よって、以下右方脚部５７Ｒ及びその構成部分は参照番号の後のＬをＲに変えて言及する。尚、ブラケット５０は所定形状の金属板を所定のプレス加工等することにより作製されたものである。
（組付方法）
本実施例の凝縮器ユニットの組付け、即ち凝縮器１０、ヘッダ２１，２３及びサイドプレート３０の結合体へのブラケット５０の仮止めは以下のように行う。図５（ａ）に示すように、サイドプレート３０の外側に細長い四角枠状の保持部材６０をあてがう。これは、仮止時における前側押圧部６１Ｌ、６１Ｒ及び後側押圧部６２Ｌ、６２Ｒの変形量が比較的大きく、サイドプレート３０の前方側壁３２及び後方側壁３３に大きな押圧力が加わるので、その変形を防止するためである。保持部材６０はサイドプレート３０の前方側壁３２及び後方側壁３３の後面をバックアップする一対の保持部６１及び６２と、両方の保持部６１，６２を連結する一対の連結部（不図示）とを含む。
【００３３】
次いで、ブラケット５０の基部５１から下方に突出した左方脚部５７Ｌ及び右方脚部５７Ｒをサイドプレート３０の一端４１Ｌの底壁３１と２つの側壁３２及び３３とで区画されるくぼみ３４、及び他端４１Ｒの底壁３１と２つの側壁３２及び３３とで区画されるくぼみ３４内に向かって下方に押し込む。図５（ｂ）に示すように、左方脚部５７Ｌの前面５７Ｌａ及び後面５７Ｌｂから少し突出した前側押圧部６１Ｌ及び後側押圧部６３Ｌは、ブラケット５０の押込みにつれて、一端４１Ｌの前方側壁３２及び後方側壁３３により内向きに変形される。この変形は切欠き５９Ｌにより許容される。この事情は、右方脚部５７Ｒの前側押圧部６１Ｌ及び後側押圧部６３Ｌに付いても同様である。
【００３４】
ブラケット５０は、左方脚部５７Ｌ及び右方脚部５７Ｒがサイドプレート３０の底壁３１に当接するまで押し込まれる。この状態では、図５（ｂ）に示すように、左方脚部５７Ｌの全体がくぼみ３４内に完全に容され、前側押圧部６１Ｌ及び後側押圧部６３Ｌが一対の側壁３２及び３３を押圧している。これにより、両者間の摩擦によりブラケット５０がサイドプレート３０に仮止めされる。この事情は他端４１Ｒ及び右方脚部５７Ｒについても同様である。
【００３５】
ブラケット５０がサイドプレート３０に組み付けられたら、サイドプレート３０から保持部材６０を外す。この状態がブラケット５０がサイドプレート３０に仮固定された状態であり、その後のろう付け工程によりブラケット５０はサイドプレート３０にしっかりと接合される。
（効果）
本実施例の凝縮器ユニットでは、第１に、ブラケット５０がサイドプレート３０にしっかりと仮固定され、ろう付け前やろう付け時等の取扱時に両者が位置ずれしたり、分離することがない。加えて、サイドプレート３０にかしめ部や折曲部が存在せず、凝縮器ユニットの外観がきれいである。
【００３６】
これが達成された第１の理由、第１に、ブラケット５０の左方脚部５７Ｌの前側押圧部６１Ｌ及び後側押圧部６２Ｌと右方脚部５７Ｒの前側押圧部６１Ｒ及び後側押圧部６２Ｒとを、それぞれサイドプレート３０の一端４１Ｌ及び他端４１Ｒの前方側壁３２及び後方側壁３３により内向きに変形させたからである。
【００３７】
第２の理由は、前側押圧部６１Ｌ及び後側押圧部６２Ｌを左方脚部５７Ｌよりも高い位置に形成し前側押圧部６１Ｒ及び後側押圧部６２Ｒを右方脚部５７Ｒよりも高い位置に形成したからである。即ち、ブラケット５０の左方脚部５７Ｌの前側押圧部６１Ｌ及び後側押圧部６２Ｌと、右方脚部５７Ｒの前側押圧部６１Ｒ及び後側押圧部６２Ｒとに変形があっても、左方脚部５７Ｌ及び右方脚部５７Ｒはサイドプレート３０の底壁３１に密着させることができるため、ブラケットの浮上りによるろう付け不良が防止される。
【００３８】
また、ブラケット５０は金属板の曲げ加工等により作製することができ、材料の使用量が少なく、加工が簡単でしかも安価である。
【００３９】
一方、組立方法によれば、第１に、ブラケット５０のサイドプレート３０への組付けを簡単に行うことができる。ブラケット５０の左方脚部５７Ｌ及び右方脚部５７Ｒをサイドプレート３０の一端４１Ｌ及び他端４１Ｒのくぼみ３４内に押し込むのみで良く、押込み後のかしめ等は一切不要である。これは、前側押圧部６１Ｌ及び後側押圧部６２Ｌの突出量を大きくするとともに両押圧部間に切欠き５９Ｌを形成し、前側押圧部６１Ｒ及び後側押圧部６２Ｒの突出量を大きくするとともに両押圧部間に切欠き５９Ｒを形成したことによる。
【００４０】
その結果、前側押圧部６１Ｌ及び後側押圧部６２Ｌ、並びに前側押圧部６１Ｒ及び後側押圧部６２Ｒの変形能が向上し、一端４１Ｌ及び他端４１Ｒの前方側壁３２及び後方側壁３３への押圧力が大きくなった。こうして、凝縮器ユニットの組付けに要する時間及び手間が少なくなり、組付コストが低減される。
【００４１】
第２に、保持部材６０を使用したので、サイドプレート３０は最低限の厚さでありながら、ブラケット５０組付け時の変形が防止される。
＜第２実施例＞
図６（ａ）及び（ｂ）に第２実施例を示す。この実施例は、上記第１実施例と比べて、ブラケット１００の左方脚部１０１Ｌの前側押圧部１０２Ｌ及び後側押圧部１０４Ｌの構成が異なる。詳述すると、前側押圧部１０２Ｌ及び後側押圧部１０４Ｌの突出量が比較的小さく、両方の押圧部１０２，１０４間に切欠きは形成されていない。よって、前側押圧部１０２Ｌ及び後側押圧部１０４Ｌの変形能は比較的小さい。
【００４２】
これはブラケット１００の簡素化を考慮したものである。サイドプレート１１０の横断面形状の製造誤差が少なくブラケット１００側で寸法のばらつきを吸収する必要がないときや、サイドプレート１１０の剛性が高くブラケット１００を圧入後のサイドプレート１１０の変形がない又は非常に小さいときは、上記ブラケット５０のような複雑な形状は必要ない。尚、図示はしないが、右方脚部の前側押圧部及び後側押圧部に付いても事情は同じである。
【００４３】
ブラケット１００のサイドプレート１１０への組付け時、左方脚部１０１Ｌ等をくぼみ１０８に挿入すると、前側押圧部１０２Ｌ及び後側押圧部１０４Ｌが前方側壁１１４及び後方側壁１１６により内方に変形される。
【００４４】
この実施例によれば、第１実施例の効果に加えて、左方脚部１０１Ｌ及び右方脚部は切欠きが不要な分、形成が簡単になる。
＜第３実施例＞
図７（ａ）及び（ｂ）に第３実施例を示す。この実施例は、上記第１実施例と比べて、ブラケット１５０の左方脚部１５１Ｌの前側押圧部１５２Ｌ及び後側押圧部１５３Ｌのサイドプレート１６０の前方側壁１６２及び後方側壁１６４への押圧のさせ方が異なる。
【００４５】
詳述すると、左方脚部１５１Ｌには前側押圧部１５２Ｌ及び後側押圧部１５３Ｌと、両押圧部間の工具挿入穴１５４Ｌとが形成されている。前側押圧部１５２Ｌ及び後側押圧部１５３Ｌは左方脚部１５１Ｌの前面１５６Ｌ及び後面１５７Ｌから突出しておらず、これらと面一となっている（図７（ａ）参照）。
【００４６】
組付時は図７（ｂ）に示すように、サイドプレート１６０の外側に保持部材６０をあてがう。この状態で工具挿入穴１５４Ｌに一対の拡開工具１６５Ｌを挿入し、前側押圧部１５１Ｌの内面及び後側押圧部１５２Ｌの内面に当接させる。その後、一対の拡開工具１６５Ｌに拡開力を加え、前側押圧部１５２Ｌ及び後側押圧部１５３Ｌを互いに遠ざかる方向（図７（ｂ）において左右方向）に変形させる。すると、前側押圧部１５２Ｌの外面及び後側押圧部１５３Ｌの外面がそれぞれ前方側壁１６２及び後方側壁１６４に押圧される。なお、この事情は右方脚部についても同様である。
【００４７】
この実施例によれば、第１実施例の効果に加えて、前側押圧部１５２Ｌ及び後側押圧部１５３Ｌを前面及び後面から突出させることが不要であり、その分形成が容易になる。
【００４８】
また、前側押圧部１５２Ｌ及び後側押圧部１５３Ｌを前方側壁１６２及び後方側壁１６４に合わせて外向きに変形させるので、たとえ両側壁１６２，１６４間の間隔に製造誤差があるような場合でも、前側押圧部１５１Ｌ及び後側押圧部１５２Ｌは前方側壁１６２及び後方側壁１６４に確実に押圧されることになる。
【００４９】
【発明の効果】
以上述べてきたように、第１発明の凝縮器ユニットによれば、ブラケットの一対の一方押圧部が及び一対の大砲押圧部が、それぞれサイドプレートの一端及び他端の第１側壁及び第２側壁に押圧され、両者間の摩擦によりブラケットがサイドプレートに仮止めされている。よって、サイドプレートの仮止めのためのかしめ部等が不要で、製造コストが低減されるとともに、外観が向上する。
【００５０】
請求項２の凝縮器ユニットによれば、一対の一方押圧部及び一対の他方押圧部が容易に形成できる。請求項３の凝縮器ユニットによれば、一対の一方押圧部及び一対の他方押圧部の変形能が向上する。請求項４の凝縮器ユニットによれば、仮止め時におけるブラケットのサイドプレートから浮上りが防止できる。
【００５１】
また、第２発明の凝縮器ユニットの組立方法によれば、サイドプレートをブラケットに挿入すると、一端及び他端の第１側壁及び第２側壁が一方及び他方の一対の押圧部を近づく方向に変形させ、両者間の摩擦によりブラケットがサイドプレートに仮止めされる。よって、ブラケットをサイドプレートに挿入するのみで、かしめ作業等を要することなく、簡単かつ迅速に仮止めが行える。
【００５２】
請求項６の組立方法によれば、一対の一方押圧部及び一対の他方押圧部が容易に形成できる。請求項７の組付方法によれば、一対の一方押圧部及び一対の他方押圧部の変形能が向上する。請求項８の組付方法によれば、仮止め時におけるブラケットのサイドプレートから浮上りが防止できる。請求項９の組付方法によれば、一対の一方押圧部及び一対の他方押圧部が一端及び他端の第１側壁及び第２側壁に確実に押圧される。
【００５３】
更に、第３発明の凝縮器ユニットの組立方法によれば、拡開工具により一対の一方押圧部及び一対の他方押圧部を遠ざかる方向に変形させると、一端及び他端の第１側壁及び第２側壁に押圧され、両者間の摩擦によりブラケットがサイドプレートに仮止めされる。よって、拡開工具で一対の一方押圧部及び一つの他方押圧部を拡開するのみで、簡単かつ迅速に仮止めが行える。
【００５４】
請求項１１の組立方法によれば、一対の一方押圧部及び一対の他方押圧部が容易に形成できる。請求項１２の組付方法によれば、仮止め時におけるブラケットのサイドプレートから浮上りが防止である。
【図面の簡単な説明】
【図１】本発明の第１実施例による蒸発器ユニットを示す正面図（一部省略）である。
【図２】上記実施例のブラケットの上面である。
【図３】同じく平面図である。
【図４】図２に４方向視図である。
【図５】第１実施例による組付方法を示し、（ａ）は組付前の状態を、（ｂ）は組付後の状態を示す。
【図６】第２実施例による組付方法を示し、（ａ）は組付前の状態を、（ｂ）は組付後の状態を示す。
【図７】第３実施例による組付方法を示し、（ａ）は組付前の状態を、（ｂ）は組付後の状態を示す。
【図８】従来例を示す要部斜視図である。
【符号の説明】
１０：凝縮器１５：積層体
２１，２３：ヘッダ３０：サイドプレート
３１：底壁３２：前方壁部
３３：後方壁部４１Ｌ：一端
４１Ｒ：他端５０：ブラケット
５１：基部５７Ｌ：一方脚部
５７Ｒ：他方脚部５９Ｌ、５９Ｒ：切欠き
６１Ｌ、６１Ｒ：前側押圧部６２Ｌ、６２Ｒ：後側押圧部[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an evaporator unit used in a vehicle air conditioner and a method for assembling the condenser unit.
[0002]
[Prior art]
A condenser (condenser) of a vehicle air conditioner is a heat exchanger that cools, liquefies and condenses high-temperature and high-pressure gas refrigerant sent from a compressor, and dissipates heat. Generally, it is arranged in front of the radiator and cooled by outside air or a cooling fan.
[0003]
One type of capacitor is a type in which a plurality of corrugated fins and heat exchange tubes are alternately stacked. One header and the other header are coupled to the other end of each tube on one side and the other side of the laminate. A side plate is coupled to the upper side or the lower side of the uppermost or lowermost corrugated fin of the laminate.
[0004]
The capacitor is attached to the front of the radiator by coupling a bracket to the side plate and fixing the bracket to the vehicle body. In that case, before the final joining (brazing) of the side plate and the bracket, the bracket is often temporarily fixed to the side plate for the purpose of preventing the positional deviation between the two.
[0005]
As shown in FIG. 8, the conventional example (see Patent Document 1) is a heat exchanger in which a plurality of heat exchange tubes 201 and corrugated fins 203 are stacked, and opens upward at the upper end of the corrugated fins 203. A channel-shaped side plate 205 is joined (brazed). A bracket 210 is caulked and joined (brazed) to the opening of the side plate 205.
[0006]
The heat exchanger tube 201 communicates with the header 215 and the extension 206 of the side plate 205 is coupled to the header 215.
[0007]
[Patent Document 1]
JP-A-11-347666
[0008]
[Problems to be solved by the invention]
In the conventional heat exchanger, it is necessary to squeeze both side walls 207 of the side plate 205 inward to join the protruding portion 211 of the bracket 210, and it takes time and effort to join the bracket 210 of the side plate 205 to the side plate. . Further, a bent portion 208 is formed at the upper edge of both side walls of the side plate 205, and the appearance is impaired.
[0009]
The present invention has been made in view of the above circumstances, and provides a condenser unit and a method for assembling the same that can be used to temporarily fix the bracket to the side plate joined to the evaporator and that does not impair the appearance of the side plate. The purpose is to do.
[0010]
[Means for Solving the Problems]
The inventor of the present application has come up with the idea that a part of the bracket is pressed against the side plate and temporarily fixed using friction.
(1) The condenser unit according to the first invention of the present application is the condenser comprising a plurality of corrugated fins and a plurality of heat exchange tubes alternately stacked, as defined in claim 1, and a bottom wall, first A channel-shaped side plate including a side wall and a second side wall, the bottom wall being joined to the uppermost corrugated fin of the condenser; a base fixed to the vehicle body; and one end of the side plate formed at one lower end of the base A pair of one pressing parts pressed against the first side wall and the second side wall, and a pair of other pressing parts formed at the lower end of the other side and pressed against the first side wall and the second side wall at the other end of the side plate, And a bracket including;
[0011]
In this condenser unit, the pair of one pressing portions of the bracket are pressed against the first side wall and the second side wall at one end of the side plate, the pair of other pressing portions are pressed against the first side wall and the second side wall at the other end, The bracket is temporarily fixed to the side plate by friction between the two.
[0012]
According to a second aspect of the present invention, there is provided the condenser unit according to the first aspect, wherein the base portion of the bracket extends in the vertical direction, and the pair of one pressing portions are formed on both sides in the width direction of the one leg portion extending in the lateral direction. Are formed on both sides in the width direction of the other leg portion extending in the other side in the lateral direction.
[0013]
According to a third aspect of the present invention, in the condenser unit according to the second aspect, one notch is formed between the pair of one pressing portions, and the other notch is formed between the pair of other pressing portions. According to a fourth aspect of the present invention, there is provided the condenser unit according to the second aspect, wherein the pair of one pressing portions are positioned above the one leg portion, and the pair of other pressing portions are positioned above the other leg portion.
(2) The method for assembling the condenser unit according to the second invention is as described in claim 5, wherein a plurality of corrugated fins and a plurality of heat exchange tubes are alternately formed including a bottom wall, a first side wall and a second side wall. A channel-shaped side plate whose bottom wall is joined to the uppermost corrugated fin of the laminated condenser, a base portion fixed to a part of the vehicle body, and a pair of one pressing portions formed at one lower end of the base portion And a method of assembling a bracket including a pair of other pressing portions formed on the lower end of the other side,
A pair of one pressing portions are inserted into a recess at one end of the side plate and deformed in a direction approaching each other by the first side wall and the second side wall at one end, and the pair of other pressing portions are inserted into the recess at the other end. The first side wall and the second side wall are deformed in directions approaching each other.
[0014]
In this assembling method, when the side plate is inserted into the bracket, the first side wall and the second side wall at one end are deformed in a direction to approach one pair of pressing portions, and the first side wall and the second side wall at the other end are deformed in the other side. The pair of pressing portions are deformed in the approaching direction, and the bracket is temporarily fixed to the side plate by friction between the two.
[0015]
In the assembling method of claim 6, the base portion of the bracket in claim 5 extends in the vertical direction, the pair of one pressing portions are formed on both sides in the width direction of the one leg portion extending in the lateral direction, and the pair of other pressing portions are It is formed on both sides in the width direction of the other leg portion extending in the other in the horizontal direction. The assembling method according to claim 7 is the assembly method according to claim 6, wherein one notch is formed between the pair of one pressing portions, and the other notch is formed between the pair of other pressing portions.
[0016]
The assembling method according to claim 8 is the assembly method according to claim 6, wherein the pair of one pressing portions is positioned above the one leg portion, and the pair of other pressing portions is positioned above the other leg portion. The assembly method according to claim 9 is the assembly method according to claim 6, wherein the pair of one pressing portions of the bracket protrudes from one side surface and the other side surface of the one leg portion, and the pair of other pressing portions are the other leg portion before assembly to the side plate. Protrudes from one side and the other side.
(3) The method for assembling the condenser unit according to the third aspect of the present invention is the assembly method of claim 10, wherein a plurality of corrugated fins and a plurality of heat exchange tubes are alternately formed including a bottom wall, a first side wall and a second side wall. A channel-shaped side plate whose bottom wall is joined to the uppermost corrugated fin of the laminated condenser, a base fixed to a part of the vehicle body, and a pair of one-side presses formed at one lower end of the base And a bracket including the one tool hole between the two pressing parts, the pair of other pressing parts formed at the lower end of the other side, and the other tool hole between the other pressing parts. And
A pair of one pressing portions are inserted into a recess at one end of the side plate, and a pair of other pressing portions are inserted into a recess at the other end of the side plate; one pair of one pressing portions are moved away from each other by a tool inserted into the tool hole. The first side wall and the second side wall at one end are deformed in the direction and are pressed against the first side wall and the second side wall at one end, and the pair of other locking claws are deformed away from each other by a tool inserted into the other tool hole. The side wall is pressed.
[0017]
In this assembling method, when the pair of one pressing portions are deformed away by the spreading tool, the one pressing portion is pressed against the first side wall and the second side wall at one end. Further, when the pair of other pressing portions are deformed away from each other, the other pressing portion is pressed against the first side wall and the second side wall at the other end, and the bracket is temporarily fixed to the side plate by friction between the two.
[0018]
An assembly method according to an eleventh aspect is the method according to the tenth aspect, wherein the base portion of the bracket extends in the vertical direction, the pair of one pressing portions and the one tool hole are formed on one leg portion extending in the lateral direction, and the pair of the other pressing portions. The part and the other tool hole are formed in the other leg part extending in the other side in the lateral direction. The assembling method of claim 12 is the assembly method according to claim 10, wherein the pair of one pressing portions are positioned above the one leg portion, and the pair of other pressing portions are positioned above the other leg portion.
[0019]
DETAILED DESCRIPTION OF THE INVENTION
<Evaporator unit>
The evaporator unit of the present invention includes at least an evaporator, a side plate, and a bracket. The evaporator unit can further have headers (pipes) on one side and the other side of the stack.
(1) The evaporator is composed of a laminate in which a plurality of corrugated fins and heat exchange tubes are alternately laminated.
(2) The side plate is joined to the uppermost corrugated fin and includes a bottom wall, a first (front) side wall, and a second (rear) side wall. A channel shape with an indentation opened upward, and has the same length as a heat exchange tube. In addition, the latching groove | channel which the front-end | tip press part and the front-end | tip of a back press part are latched can also be formed in the inner surface of the front side wall and back side wall of one end and the other end.
(3) The bracket is composed of a base portion extending in the vertical direction, one leg portion formed at the lower end on one side and extending in one lateral direction, and the other leg portion formed at the lower end on the other side and extending in the other lateral direction. The one leg portion and the other leg portion are formed with a pair of one pressing portion and a pair of other pressing portions on both sides in the width direction. The pair of one pressing parts includes one side (front side) pressing part and the other side (rear side) pressing part, and the pair of other pressing parts includes one side (front side) pressing part and the other side (rear side) pressing part. Including.
[0020]
Thus, the front pressing part and the rear pressing tool of the one leg are pressed against the front side wall and the rear side wall of one end of the side plate, and the front pressing part and the rear pressing part of the other leg part are the front side wall and the rear side wall of the other end. Is pressed. In other words, the front side wall and the rear side wall at one end and the other end press the front pressing portion and the rear pressing portion of the one leg portion and the other leg portion. As a result, the bracket is temporarily fixed to the side plate by the friction between the front pressing portion and the front side wall and the friction between the rear pressing portion and the rear side wall.
[0021]
In both the one leg and the other leg, it is desirable that the front pressing part and the rear pressing part be formed above (higher position) than the one leg part and the other leg part. In order to enhance the deformability of the front and rear pressing portions, a notch can be formed between the pressing portions. Moreover, the tool insertion hole for inserting an expansion tool can be provided between a front side and a rear side press part.
[0022]
The condenser unit according to the embodiment of the invention includes first, second and third examples which will be described later.
<Assembly method>
The assembly direction of the present invention is classified into two types.
(1) In the first type, the front pressing portion and the rear pressing portion of the one leg portion of the bracket and the front pressing portion and the rear pressing portion of the other leg portion are connected to the front side wall at one end and the other end of the side plate, It is deformed inward by the rear side wall. Therefore, before assembling to the side plate, the tips of the front pressing portion and the rear pressing portion of the bracket slightly protrude from the front and rear surfaces of the one leg portion. As the one leg portion and the other leg portion of the bracket are inserted into the recesses at one end and the other end of the side plate, the front side wall and the rear side wall at the one end and the other end deform the front pressing portion and the rear pressing portion inward. In the fully inserted state, the bracket is temporarily fixed to the side plate by friction between the front and rear pressing portions and the front and rear side walls.
[0023]
The first type is further divided into a first type and a second type according to the amount of protrusion from the front and rear surfaces of the one leg part and the other leg part of the front and rear pressing parts of the bracket. being classified. In the first mold, the amount of protrusion of the front pressing portion and the rear pressing portion is large, and a notch is formed between the pressing portions to enable large deformation. Further, in order to prevent the side plate from being deformed when the bracket is assembled, a holding member that backs up the rear surface is used. A first embodiment to be described later corresponds to this first type.
[0024]
In 2nd type | mold, the protrusion amount of a front side press part and a rear side press part is small, and the notch is not formed between both press parts. A holding member is not used. A second embodiment to be described later corresponds to this second type.
(2) In the second type, the front pressing portion and the rear pressing portion of the one leg portion of the bracket and the front pressing portion and the rear pressing portion of the other leg portion are deformed outward by the spreading tool. Therefore, before assembling to the side plate, the front pressing portion and the rear pressing portion of the bracket are flush with the front surface and the rear surface of the one leg portion and the other leg portion. Moreover, one tool hole and the other tool hole are formed in the one leg part and the other leg part between the front pressing part and the rear pressing part.
[0025]
When the front pressing part and the rear pressing part are expanded, the front side wall and the rear side wall are pressed, and the bracket is temporarily fixed to the side plate by the friction between the side pressing part and the rear side pressing part and the front side wall and the rear side wall. The A third embodiment to be described later corresponds to this second type.
[0026]
In addition, as for the first type assembly method and the second type assembly method, as a specific configuration of the front side pressing portion and the rear side pressing portion of the one leg portion, and the front side pressing portion and the rear side pressing portion of the other leg portion. A configuration similar to that described in the column of the condenser unit can be adopted.
[0027]
【Example】
Embodiments of the present invention will be described below with reference to the accompanying drawings.
<First embodiment>
(Condenser unit)
As shown in FIG. 1 (only the upper half is shown, and the lower half is almost symmetrical with the upper half), the condenser unit of the first embodiment includes a condenser (condenser) 10, a pair of left and right headers 21 and 23, a side A plate 30 and a bracket 50 are included. Among these, the condenser 10 is formed by alternately laminating a plurality of corrugated fins 12 and a plurality of heat exchange tubes (tubes) 13. A left header 21 is disposed on one side (left side in FIG. 1) of the laminate 15 and a right header 23 is disposed on the other side (right side). The left header 21 and the right header 23 are joined to the left end and the right end of the heat exchange tube 13, and the left end opening and the right end opening communicate with the left header 21 and the right header 23. A liquid receiver 25 is disposed around the right header 23.
[0028]
A side plate 30 is joined to the uppermost corrugated fin 12 of the laminate 15. As shown in FIGS. 3 and 5A, the side plate 30 is composed of a bottom wall 31, a parallel front side wall (first side wall) 32, and a rear side wall (second side wall) 33, and has a channel shape. It extends in the left-right direction over the entire length of the heat exchange tube 13a.
[0029]
Returning to FIG. 1, the bracket 50 is temporarily fixed to the side plate 30. As shown in FIGS. 2, 3 and 4, the bracket 50 includes a base 51 extending in the vertical direction and left and right leg portions 57L and 57R formed on the left and right sides of the lower end thereof. Symmetric. The base 51 has a rectangular plate-shaped main body 52 and a bent portion 53 near the lower end thereof, and a through-hole 54 for bolt penetration is formed in the main body 52. A pair of reinforcing ribs 55 projecting in the thickness direction are formed on both sides in the width direction (left and right direction in FIGS. 2 and 3).
[0030]
The left leg 57L has a rectangular shape, extends leftward in a plane orthogonal to the space in which the base 51 is located, and is positioned slightly below the lower edge of the base 51 (see FIG. 2). The width of the left leg portion 57L (the vertical dimension in FIG. 3) is substantially equal to the distance between the front side wall 32 and the rear side wall 33 of the side plate 30, and a bent portion 58L bent upward is formed at the tip edge. As apparent from FIGS. 3, 4 and 5A, the bent portion 58L is formed with a notch 59L at the intermediate portion in the width direction. As a result, a pair of pressing portions 61L and 62L are formed on both sides of the bent portion 58L. Is formed.
[0031]
As is clear from FIG. 5A, the front pressing portion 61L is bent slightly forward (downward in FIG. 3) and slightly protrudes from the front surface 57La of the left leg portion 57L. The rear pressing portion 63L is bent slightly rearward (upward in FIG. 3) and slightly protrudes from the rear surface 57Lb of the left leg portion 57L. The distance between the protruding end of the front pressing portion 61L and the protruding end of the rear pressing portion 63L is slightly larger than the distance between the front side wall 32 and the rear side wall 33 of the side plate 30. Further, the front pressing portion 61L and the rear pressing portion 63L are located above the left leg portion 57L.
[0032]
The right leg 57R of the bracket 50 has a symmetric configuration with the left leg 57L. Therefore, the right leg 57R and its constituent parts will be referred to below by changing L after the reference number to R. The bracket 50 is produced by subjecting a metal plate having a predetermined shape to a predetermined press work or the like.
(Assembly method)
The assembly of the condenser unit of this embodiment, that is, the temporary fixing of the bracket 50 to the combined body of the condenser 10, the headers 21, 23 and the side plate 30 is performed as follows. As shown in FIG. 5A, an elongated rectangular frame-shaped holding member 60 is applied to the outside of the side plate 30. This is because the amount of deformation of the front pressing portions 61L and 61R and the rear pressing portions 62L and 62R at the time of temporary fixing is relatively large, and a large pressing force is applied to the front side wall 32 and the rear side wall 33 of the side plate 30. It is for preventing. The holding member 60 includes a pair of holding portions 61 and 62 that back up the rear surfaces of the front side wall 32 and the rear side wall 33 of the side plate 30, and a pair of connecting portions (not shown) that connect both the holding portions 61 and 62. .
[0033]
Next, the left leg 57L and the right leg 57R protruding downward from the base 51 of the bracket 50 are divided into a recess 34 defined by the bottom wall 31 of the one end 41L of the side plate 30 and the two side walls 32 and 33, and The other end 41 </ b> R is pushed downward into the recess 34 defined by the bottom wall 31 and the two side walls 32 and 33. As shown in FIG. 5 (b), the front pressing portion 61L and the rear pressing portion 63L that slightly protrude from the front surface 57La and the rear surface 57Lb of the left leg portion 57L are, as the bracket 50 is pushed in, the front side wall 32 of the one end 41L and The rear side wall 33 is deformed inward. This deformation is allowed by the notch 59L. This situation is the same for the front pressing portion 61L and the rear pressing portion 63L of the right leg 57R.
[0034]
The bracket 50 is pushed in until the left leg portion 57L and the right leg portion 57R abut against the bottom wall 31 of the side plate 30. In this state, as shown in FIG. 5B, the entire left leg 57L is completely contained in the recess 34, and the front pressing portion 61L and the rear pressing portion 63L press the pair of side walls 32 and 33. is doing. Thereby, the bracket 50 is temporarily fixed to the side plate 30 by friction between the two. The same applies to the other end 41R and the right leg 57R.
[0035]
When the bracket 50 is assembled to the side plate 30, the holding member 60 is removed from the side plate 30. This state is a state in which the bracket 50 is temporarily fixed to the side plate 30, and the bracket 50 is firmly joined to the side plate 30 by a subsequent brazing process.
(effect)
In the condenser unit of the present embodiment, first, the bracket 50 is firmly fixed to the side plate 30 so that they are not displaced or separated during handling before brazing or during brazing. In addition, the side plate 30 has no caulking portion or bent portion, and the appearance of the condenser unit is clean.
[0036]
The first reason why this is achieved is, firstly, the front side pressing part 61L and the rear side pressing part 62L of the left leg part 57L of the bracket 50 and the front side pressing part 61R and the rear side pressing part 62R of the right leg part 57R. This is because these are deformed inward by the front side wall 32 and the rear side wall 33 of the one end 41L and the other end 41R of the side plate 30, respectively.
[0037]
The second reason is that the front pressing portion 61L and the rear pressing portion 62L are formed at positions higher than the left leg portion 57L, and the front pressing portion 61R and the rear pressing portion 62R are positioned higher than the right leg portion 57R. It is because it formed. That is, even if the front side pressing part 61L and the rear side pressing part 62L of the left leg 57L of the bracket 50 and the front side pressing part 61R and the rear side pressing part 62R of the right leg part 57R are deformed, the left leg Since the portion 57L and the right leg portion 57R can be brought into close contact with the bottom wall 31 of the side plate 30, a brazing failure due to the lifting of the bracket is prevented.
[0038]
In addition, the bracket 50 can be manufactured by bending a metal plate or the like, and the amount of material used is small, and the processing is simple and inexpensive.
[0039]
On the other hand, according to the assembly method, first, the bracket 50 can be easily assembled to the side plate 30. It is only necessary to push the left leg portion 57L and the right leg portion 57R of the bracket 50 into the recesses 34 of the one end 41L and the other end 41R of the side plate 30, and there is no need for caulking after the pushing. This increases the protruding amount of the front pressing portion 61L and the rear pressing portion 62L and forms a notch 59L between the pressing portions to increase the protruding amounts of the front pressing portion 61R and the rear pressing portion 62R. This is because the notch 59R is formed between the pressing portions.
[0040]
As a result, the deformability of the front pressing portion 61L and the rear pressing portion 62L, and the front pressing portion 61R and the rear pressing portion 62R is improved, and the pressing force to the front side wall 32 and the rear side wall 33 at the one end 41L and the other end 41R is improved. Became larger. Thus, the time and labor required for assembling the condenser unit are reduced, and the assembling cost is reduced.
[0041]
Secondly, since the holding member 60 is used, the side plate 30 is prevented from being deformed when the bracket 50 is assembled while having the minimum thickness.
<Second embodiment>
6 (a) and 6 (b) show a second embodiment. This embodiment differs from the first embodiment in the configuration of the front pressing portion 102L and the rear pressing portion 104L of the left leg 101L of the bracket 100. More specifically, the protrusion amount of the front pressing portion 102L and the rear pressing portion 104L is relatively small, and no notch is formed between both the pressing portions 102 and 104. Therefore, the deformability of the front pressing portion 102L and the rear pressing portion 104L is relatively small.
[0042]
This is because the simplification of the bracket 100 is taken into consideration. When there is little manufacturing error of the cross-sectional shape of the side plate 110 and it is not necessary to absorb the dimensional variation on the bracket 100 side, the side plate 110 has high rigidity and the side plate 110 is not deformed after the bracket 100 is press-fitted. When it is small, a complicated shape like the bracket 50 is not necessary. Although not shown, the situation is the same even if the front leg pressing portion and the rear pressing portion of the right leg are attached.
[0043]
When the left leg portion 101L and the like are inserted into the recess 108 when the bracket 100 is assembled to the side plate 110, the front pressing portion 102L and the rear pressing portion 104L are deformed inward by the front side wall 114 and the rear side wall 116. .
[0044]
According to this embodiment, in addition to the effects of the first embodiment, the left leg portion 101L and the right leg portion can be easily formed because the notch is not required.
<Third embodiment>
7A and 7B show a third embodiment. In this embodiment, compared to the first embodiment, the front pressing portion 152L of the left leg 151L and the rear pressing portion 153L of the bracket 150 are pressed against the front side wall 162 and the rear side wall 164 of the side plate 160. Is different.
[0045]
More specifically, the left leg portion 151L is formed with a front pressing portion 152L, a rear pressing portion 153L, and a tool insertion hole 154L between the pressing portions. The front pressing portion 152L and the rear pressing portion 153L do not protrude from the front surface 156L and the rear surface 157L of the left leg portion 151L, and are flush with these (see FIG. 7A).
[0046]
At the time of assembly, the holding member 60 is applied to the outside of the side plate 160 as shown in FIG. In this state, the pair of expanding tools 165L are inserted into the tool insertion hole 154L and brought into contact with the inner surface of the front pressing portion 151L and the inner surface of the rear pressing portion 152L. Thereafter, an expansion force is applied to the pair of expansion tools 165L, and the front pressing portion 152L and the rear pressing portion 153L are deformed in a direction away from each other (left and right in FIG. 7B). Then, the outer surface of the front side pressing portion 152L and the outer surface of the rear side pressing portion 153L are pressed against the front side wall 162 and the rear side wall 164, respectively. This situation also applies to the right leg.
[0047]
According to this embodiment, in addition to the effects of the first embodiment, it is not necessary to cause the front pressing portion 152L and the rear pressing portion 153L to protrude from the front surface and the rear surface, and the formation thereof is facilitated accordingly.
[0048]
Further, since the front pressing portion 152L and the rear pressing portion 153L are deformed outward in accordance with the front side wall 162 and the rear side wall 164, even if there is a manufacturing error in the interval between the side walls 162, 164, the front side The pressing portion 151L and the rear pressing portion 152L are surely pressed against the front side wall 162 and the rear side wall 164.
[0049]
【The invention's effect】
As described above, according to the condenser unit of the first invention, the pair of one pressing portions and the pair of cannon pressing portions of the bracket are the first side wall and the second side wall at one end and the other end of the side plate, respectively. The bracket is temporarily fixed to the side plate by friction between the two. Therefore, a caulking portion or the like for temporarily fixing the side plate is not required, the manufacturing cost is reduced, and the appearance is improved.
[0050]
According to the condenser unit of the second aspect, the pair of one pressing portions and the pair of other pressing portions can be easily formed. According to the condenser unit of the third aspect, the deformability of the pair of one pressing portions and the pair of the other pressing portions is improved. According to the condenser unit of the fourth aspect, lifting from the side plate of the bracket at the time of temporary fixing can be prevented.
[0051]
Further, according to the condenser unit assembling method of the second invention, when the side plate is inserted into the bracket, the first side wall and the second side wall at one end and the other end are deformed in a direction approaching the one and the other pair of pressing portions. The bracket is temporarily fixed to the side plate by friction between the two. Therefore, the temporary fixing can be easily and quickly performed by simply inserting the bracket into the side plate without requiring caulking work.
[0052]
According to the assembling method of the sixth aspect, the pair of one pressing portions and the pair of other pressing portions can be easily formed. According to the assembling method of claim 7, the deformability of the pair of one pressing portions and the pair of other pressing portions is improved. According to the assembling method of the eighth aspect, the lifting from the side plate of the bracket at the time of temporary fixing can be prevented. According to the assembling method of the ninth aspect, the pair of one pressing portions and the pair of the other pressing portions are reliably pressed to the first side wall and the second side wall at the one end and the other end.
[0053]
Furthermore, according to the method for assembling the condenser unit of the third invention, when the pair of one pressing portion and the pair of the other pressing portions are deformed away from each other by the spreading tool, the first side wall and the second end at the one end and the other end are deformed. Pressed by the side wall, the bracket is temporarily fixed to the side plate by friction between the two. Therefore, the temporary fixing can be performed easily and quickly only by expanding the pair of one pressing portion and one other pressing portion with the expanding tool.
[0054]
According to the assembling method of the eleventh aspect, the pair of one pressing portions and the pair of the other pressing portions can be easily formed. According to the assembling method of the twelfth aspect, the floating from the side plate of the bracket at the time of temporary fixing is prevented.
[Brief description of the drawings]
FIG. 1 is a front view (partially omitted) showing an evaporator unit according to a first embodiment of the present invention.
FIG. 2 is an upper surface of the bracket of the embodiment.
FIG. 3 is a plan view of the same.
4 is a view in four directions in FIG. 2. FIG.
5A and 5B show an assembling method according to the first embodiment, where FIG. 5A shows a state before assembling, and FIG. 5B shows a state after assembling.
6A and 6B show an assembling method according to the second embodiment, wherein FIG. 6A shows a state before assembling, and FIG. 6B shows a state after assembling.
7A and 7B show an assembling method according to the third embodiment, wherein FIG. 7A shows a state before assembling, and FIG. 7B shows a state after assembling.
FIG. 8 is a perspective view of a main part showing a conventional example.
[Explanation of symbols]
10: Condenser 15: Laminate
21, 23: Header 30: Side plate
31: Bottom wall 32: Front wall
33: Rear wall portion 41L: One end
41R: the other end 50: bracket
51: Base 57L: One leg
57R: The other leg 59L, 59R: Notch
61L, 61R: Front pressing part 62L, 62R: Rear pressing part

Claims

A condenser in which a plurality of corrugated fins and a plurality of heat exchange tubes are alternately stacked;
A channel-shaped side plate comprising a bottom wall, a first side wall and a second side wall, the bottom wall being joined to the uppermost corrugated fin of the condenser;
A base fixed to the vehicle body, a pair of one pressing portions formed at one lower end of the base and pressed against the first side wall and the second side wall at one end of the side plate, and formed at the lower end on the other side; A bracket including a pair of other pressing portions pressed against the first side wall and the second side wall at the other end of the side plate;
Condenser unit characterized by comprising

The base portion of the bracket extends in the vertical direction, the pair of one pressing portions are formed on both sides in the width direction of the one leg portion extending in the lateral direction, and the pair of other pressing portions are the other leg portions extending in the other lateral direction. The condenser unit according to claim 1, wherein the condenser unit is formed on both sides in the width direction.

The condenser unit according to claim 2, wherein one notch is formed between the pair of one pressing parts, and the other notch is formed between the pair of other pressing parts.

3. The condenser unit according to claim 2, wherein the pair of one pressing portions are positioned above the one leg portion, and the pair of other pressing portions are positioned above the other leg portion.

A channel-like structure including a bottom wall, a first side wall, and a second side wall, wherein the bottom wall is joined to the uppermost corrugated fin of a condenser in which a plurality of corrugated fins and a plurality of heat exchange tubes are alternately stacked. On the side plate,
A method of assembling a bracket including a base fixed to a part of a vehicle body, a pair of one pressing parts formed at one lower end of the base, and a pair of other pressing parts formed at the other lower end. ,
The pair of one pressing portions are inserted into a recess at one end of the side plate and deformed in a direction approaching each other by the first side wall and the second side wall at the one end, and the pair of other pressing portions are recessed at the other end. A condenser unit assembling method, wherein the condenser unit is deformed in a direction approaching each other by the first side wall and the second side wall at the other end.

The base portion of the bracket extends in the vertical direction, the pair of one pressing portions are formed on both sides in the width direction of the one leg portion extending in the lateral direction, and the pair of other pressing portions are the other leg portions extending in the other lateral direction. The assembling method according to claim 5, wherein the assembling method is formed on both sides in the width direction.

The assembling method according to claim 6, wherein one notch is formed between the pair of one pressing portions, and the other notch is formed between the pair of other pressing portions.

The assembly method according to claim 6, wherein the pair of one pressing portions are positioned above the one leg portion, and the pair of other pressing portions are positioned above the other leg portion.

Before assembling to the side plate, the pair of one pressing portions of the bracket protrude from one side surface and the other side surface of the one leg portion, and the pair of other pressing portions from one side surface and the other side surface of the other leg portion. The assembling method according to claim 6 which protrudes.

A channel-like structure including a bottom wall, a first side wall, and a second side wall, wherein the bottom wall is joined to the uppermost corrugated fin of a condenser in which a plurality of corrugated fins and a plurality of heat exchange tubes are alternately stacked. On the side plate,
A base fixed to a part of the vehicle body, a pair of one pressing portions formed at one lower end of the base, one tool hole between the one pressing portions, and a pair formed at the other lower end A bracket including the other pressing portion and the other tool hole between the other pressing portions,
While inserting the pair of one pressing portion into a recess at one end of the side plate, inserting the pair of the other pressing portion into a recess at the other end of the side plate,
The expansion tool inserted into the one tool hole deforms the pair of one pressing portions away from each other and presses them against the first side wall and the second side wall at the one end, and the expansion tool inserted into the other tool hole. A method of assembling a condenser unit, wherein the pair of other locking claws are deformed in a direction away from each other by a tool and pressed against the first side wall and the second side wall at the other end.

The base portion of the bracket extends in the vertical direction, the pair of one pressing portion and the one tool hole are formed in one leg portion extending in one lateral direction, and the pair of the other pressing portion and the other tool hole are in the other lateral direction. The assembling method according to claim 10, wherein the assembling method is formed on the extended other leg portion.

The assembly method according to claim 10, wherein the pair of one pressing portions are positioned above the one leg portion, and the pair of other pressing portions are positioned above the other leg portion.