JPH09126683A - Heat exchanger - Google Patents

Heat exchanger

Info

Publication number
JPH09126683A
JPH09126683A JP30357795A JP30357795A JPH09126683A JP H09126683 A JPH09126683 A JP H09126683A JP 30357795 A JP30357795 A JP 30357795A JP 30357795 A JP30357795 A JP 30357795A JP H09126683 A JPH09126683 A JP H09126683A
Authority
JP
Japan
Prior art keywords
pair
main bodies
tank main
fixed
tank
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP30357795A
Other languages
Japanese (ja)
Inventor
Yoichi Nakamura
洋一 中村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyo Radiator Co Ltd
Original Assignee
Toyo Radiator Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyo Radiator Co Ltd filed Critical Toyo Radiator Co Ltd
Priority to JP30357795A priority Critical patent/JPH09126683A/en
Publication of JPH09126683A publication Critical patent/JPH09126683A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • F28F9/02—Header boxes; End plates
    • F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
    • F28F9/0224—Header boxes formed by sealing end plates into covers
    • F28F9/0226—Header boxes formed by sealing end plates into covers with resilient gaskets
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

PROBLEM TO BE SOLVED: To prevent the generation of cracks at the root of a flat tube by a method wherein a pair of boss units are provided integrally on the front surface and the rear surface at the intermediate part of lengthwise direction of main bodies of a pair of tanks while both of the pair of tank main bodies are connected and fixed by a reinforcing bar through the both units. SOLUTION: The peripheral rims of a pair of slender tube plates 2, fixing the ends of a multitude of parallel flat tubes 1 so as to be liquid tight or air tight, are bent toward the center of lengthwise direction of the flat tubes 1 so as to form annular grooves 3 while the opening ends of a pair of slender tank main bodies, made of aluminum or a synthetic resin, are fitted to the annular grooves 3 through an O-ring and the annular grooves 3 are fixed to the small flange units 5a of the tank main bodies 5 through caulking. Respective pair of boss units 6 are projected on the front surface and rear surface of the tank main bodies 5 at the intermediate part of lengthwise direction while screw holes are formed at the center of the boss units 6. A reinforcing bar 8 is closslinked between said boss units 6 and both ends of the bar 8 are clamped and fixed to the boss units 6 of respective tank main bodies 5 through bolts 9.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【発明の属する技術分野】本発明は、アルミニューム製
または合成樹脂製のタンクを有する自動車用熱交換器に
係り、特に内圧によりアルミニューム製または合成樹脂
製のタンクの開口部に周縁をカシメたチューブプレート
が変形することを防ぐものに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat exchanger for an automobile having a tank made of aluminum or synthetic resin, and in particular, a peripheral edge is caulked to an opening of the tank made of aluminum or synthetic resin by internal pressure. The present invention relates to a tube plate that is prevented from being deformed.

【０００２】[0002]

【従来の技術】インタークーラ等の熱交換器のアルミニ
ューム製または合成樹脂製のタンク本体５は、図３に示
す如く一端が開口した細長い箱状に形成され、その開口
縁部に小フランジ部５ａが設けられている。そして、多
数の並列した偏平チューブ１の両端部が（下端部省略）
チューブプレート２に挿通され、その挿通部が液密にろ
う付け固定されている。そのチューブプレート２の周縁
には、環状溝３が偏平チューブ１の中心側に突出して形
成され、その環状溝３にＯリング４を介してタンク本体
５の小フランジ部５ａが嵌着する。そして環状溝３の外
側壁３ａの縁部を折り曲げて、カシメ部３ｂを形成する
ものである。なお、並列した多数の偏平チューブ１の間
に同図においては示されていないコルゲートフィンが介
装される。そして一方のタンク本体５の内部に高温のチ
ャージエア等の熱交換媒体が流入し、夫々の偏平チュー
ブ１の内部を通って他方のタンクに導かれ、それが偏平
チューブ１内を通る間に、その偏平チューブ１外周側に
流通する冷却用送風により冷却されるものである。2. Description of the Related Art As shown in FIG. 3, a tank body 5 made of aluminum or synthetic resin for a heat exchanger such as an intercooler is formed in an elongated box shape with one end open, and a small flange portion is formed at the opening edge. 5a is provided. And, both ends of a large number of parallel flat tubes 1 (the lower end is omitted)
It is inserted into the tube plate 2, and the insertion portion is fixed by brazing in a liquid-tight manner. An annular groove 3 is formed on the peripheral edge of the tube plate 2 so as to protrude toward the center of the flat tube 1, and a small flange portion 5a of the tank body 5 is fitted into the annular groove 3 via an O-ring 4. Then, the edge portion of the outer side wall 3a of the annular groove 3 is bent to form the caulked portion 3b. A corrugated fin (not shown in the figure) is interposed between a large number of flat tubes 1 arranged in parallel. Then, a heat exchange medium such as high-temperature charge air flows into the inside of one tank body 5, is guided to the other tank through the inside of each flat tube 1, and while it passes through the inside of the flat tube 1, The flat tube 1 is cooled by the cooling air flowing to the outer peripheral side.

【０００３】[0003]

【発明が解決しようとする課題】ところがこのようなア
ルミニューム製または合成樹脂製のタンク本体５を有す
る熱交換器は、それに内圧が加わると、タンク本体５に
カシメられたチューブプレート２が外側に膨らむように
押し広げられ、そのチューブプレート２の環状溝３内周
壁が図４及び図５の如く変形する。即ち、チューブプレ
ート２の環状溝３が押し広げられるように変形し、その
結果、チューブプレート２とタンク本体５とのシール性
を損なうと共に、チューブプレート２と偏平チューブ１
との付根部に亀裂１ａが生じる場合がある。その場合に
は、そこから熱交換媒体が漏れ出る虞も考えられる。そ
こで本発明は、このようなチューブプレート２の変形を
防止して、シール性及び偏平チューブ１の付根部に亀裂
が生じない熱交換器を提供することを目的とし、その目
的達成のために次の構成をとる。However, in the heat exchanger having the tank body 5 made of aluminum or synthetic resin, when the internal pressure is applied to the heat exchanger, the tube plate 2 caulked on the tank body 5 is exposed to the outside. The inner peripheral wall of the annular groove 3 of the tube plate 2 is deformed as shown in FIGS. That is, the annular groove 3 of the tube plate 2 is deformed so as to be expanded, and as a result, the sealing property between the tube plate 2 and the tank body 5 is impaired, and the tube plate 2 and the flat tube 1 are
The crack 1a may occur in the root part of. In that case, the heat exchange medium may leak from there. Then, this invention aims at providing the heat exchanger which prevents such deformation | transformation of the tube plate 2, and does not produce a crack in the root part of the flat tube 1 with sealing property, and in order to achieve the objective, Take the configuration of.

【０００４】[0004]

【課題を解決するための手段】本発明の熱交換器は、並
列する多数の偏平チューブ１の端部が夫々液密または気
密に貫通固定された一対の細長いチューブプレート２を
有し、夫々のチューブプレート２の周縁が前記偏平チュ
ーブ１の長手方向中心側に環状溝３として曲折形成さ
れ、その環状溝３内にＯリング４を介して一対の細長い
アルミニューム製または合成樹脂製のタンク本体５の開
口端が夫々嵌着し、その環状溝３がタンク本体５の小フ
ランジ部５ａにカシメにより固定されたものにおいて、
一対の前記タンク本体５の長手方向の中間部で、夫々の
タンク本体５の前面と後面とに夫々一対のボス部６を一
体的に設け、前記ボス部６を介して一対の前記タンク本
体５間を補強バー８により連結固定したものである。The heat exchanger according to the present invention has a pair of elongated tube plates 2 in which the ends of a number of parallel flat tubes 1 are fixed in a liquid-tight or air-tight manner, respectively. A peripheral edge of the tube plate 2 is bent and formed as an annular groove 3 on the center side in the longitudinal direction of the flat tube 1, and a pair of elongated aluminum or synthetic resin tank bodies 5 are formed in the annular groove 3 via an O-ring 4. Of which the respective open ends are fitted and the annular groove 3 is fixed to the small flange portion 5a of the tank body 5 by caulking,
A pair of boss portions 6 are integrally provided on the front surface and the rear surface of each tank main body 5 at an intermediate portion in the longitudinal direction of the pair of tank main bodies 5, and the pair of tank main body 5 is provided via the boss portions 6. The space is connected and fixed by a reinforcing bar 8.

【０００５】[0005]

【発明の実施の形態】次に、図面に基づいて本発明の実
施の形態につき説明する。図１は図２のＩ−Ｉ線におけ
るインタークーラとしての本発明の要部縦断面図であ
り、図２はその正面図である。なお、従来の熱交換器と
共通部品は同一符号で示してある。この実施の形態が従
来のそれと特に異なる点は、タンク本体５の長手方向中
間部においてその前面及び後面に夫々一対のボス部６が
突設されたことである。そして、その中心にネジ孔が形
成されている。このネジ孔は、埋込ナットにより構成す
ることが好ましい。このようなボス部６及びネジ孔は、
一対の対向するタンク本体５の夫々の前面及び後面にお
いて同一位置に配置されている。そしてそれらのボス部
６に補強バー８が橋架され、その両端部が夫々のタンク
本体５のボス部６にボルト９により締結固定される。こ
のようにしてなる熱交換器は、一対のタンク本体５，５
の間隔を補強バー８により一定に保つことができる。そ
のためタンク本体５に内圧が加わっても、そのチューブ
プレート２が偏平チューブ１側に移動して変形すること
を防止できる。Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a longitudinal sectional view of an essential part of the present invention as an intercooler taken along the line II of FIG. 2, and FIG. 2 is a front view thereof. The same parts as those of the conventional heat exchanger are designated by the same reference numerals. This embodiment is different from the conventional one in that a pair of boss portions 6 are provided on the front surface and the rear surface of the tank main body 5 at an intermediate portion in the longitudinal direction, respectively. Then, a screw hole is formed at the center thereof. This screw hole is preferably composed of an embedded nut. Such a boss portion 6 and a screw hole are
It is arranged at the same position on the front surface and the rear surface of each of the pair of opposed tank bodies 5. Then, the reinforcing bars 8 are bridged to these boss portions 6, and both ends thereof are fastened and fixed to the boss portions 6 of the respective tank bodies 5 with bolts 9. The heat exchanger thus configured is composed of a pair of tank bodies 5, 5
The spacing can be kept constant by the reinforcing bar 8. Therefore, even if internal pressure is applied to the tank body 5, the tube plate 2 can be prevented from moving toward the flat tube 1 side and deforming.

【０００６】[0006]

【発明の作用・効果】本発明の熱交換器は、一対のタン
ク本体５の長手方向中間部で夫々のタンク本体５の前面
と後面とに夫々一対のボス部６を一体的に設け、そのボ
ス部６を介して一対のタンク本体５間を補強バー８によ
り連結固定したものである。そのためタンク内の圧力が
高まっても、チューブプレート２が偏平チューブ１側に
移動して変形することを防止できる。それにより、チュ
ーブプレート２とタンク本体５とのシール性を確保する
と共に、チューブプレート２と偏平チューブ１との付根
部に亀裂が生じることを防止し、信頼性の高い熱交換器
を提供できる。In the heat exchanger of the present invention, a pair of boss portions 6 are integrally provided on the front surface and the rear surface of each tank body 5 at the longitudinal middle portion of the pair of tank bodies 5. A pair of tank bodies 5 are connected and fixed by a reinforcing bar 8 via a boss portion 6. Therefore, even if the pressure in the tank increases, the tube plate 2 can be prevented from moving toward the flat tube 1 and deforming. As a result, the sealability between the tube plate 2 and the tank body 5 is ensured, cracks are prevented from being generated at the root portions of the tube plate 2 and the flat tube 1, and a highly reliable heat exchanger can be provided.

【図面の簡単な説明】[Brief description of the drawings]

【図１】本発明の実施の形態の要部縦断面図であって、
図２のＩ−Ｉ線におけるもの。FIG. 1 is a longitudinal sectional view of an essential part of an embodiment of the present invention,
The line II in FIG.

【図２】同正面図。FIG. 2 is a front view of the same.

【図３】従来型熱交換器の縦断面図。FIG. 3 is a vertical sectional view of a conventional heat exchanger.

【図４】同タンク内に内圧が加わった状態の説明図。FIG. 4 is an explanatory view of a state where internal pressure is applied to the tank.

【図５】図４のＣ部拡大図。5 is an enlarged view of part C in FIG.

【符号の説明】[Explanation of symbols]

１ 偏平チューブ １ａ 亀裂 ２ チューブプレート ２ａ 変形部 ３ 環状溝 ３ａ 外側壁 ３ｂ カシメ部 ４ Ｏリング ５ タンク本体 ５ａ 小フランジ部 ６ ボス部 ７ フィン ８ 補強バー ９ ボルト DESCRIPTION OF SYMBOLS 1 Flat tube 1a Crack 2 Tube plate 2a Deformation part 3 Annular groove 3a Outer side wall 3b Caulking part 4 O-ring 5 Tank body 5a Small flange part 6 Boss part 7 Fins 8 Reinforcing bar 9 Bolt

Claims (1)

【特許請求の範囲】[Claims] 【請求項１】 並列する多数の偏平チューブ１の端部が
夫々液密または気密に貫通固定された一対の細長いチュ
ーブプレート２を有し、夫々のチューブプレート２の周
縁が前記偏平チューブ１の長手方向中心側に環状溝３と
して曲折形成され、その環状溝３内にＯリング４を介し
て一対の細長いアルミニューム製または合成樹脂製のタ
ンク本体５の開口端が夫々嵌着し、その環状溝３がタン
ク本体５の前記開口端縁部に突設された小フランジ部５
ａにカシメにより固定された熱交換器において、 一対の前記タンク本体５の長手方向の中間部で、夫々の
タンク本体５の前面と後面とに夫々一対のボス部６を一
体的に設け、 前記ボス部６を介して一対の前記タンク本体５間を補強
バー８により連結固定した熱交換器。1. A pair of elongated tube plates 2 each of which has end portions of a plurality of parallel flat tubes 1 fixed in a liquid-tight or air-tight manner, respectively, and a peripheral edge of each tube plate 2 is a longitudinal direction of the flat tube 1. An annular groove 3 is formed in a bent shape on the center side in the direction, and the open ends of a pair of elongated aluminum or synthetic resin tank bodies 5 are fitted into the annular groove 3 via an O-ring 4, respectively, and the annular groove is formed. 3 is a small flange portion 5 projecting from the opening edge portion of the tank body 5.
In the heat exchanger fixed to a by caulking, a pair of boss portions 6 are integrally provided on the front surface and the rear surface of each tank main body 5 at an intermediate portion in the longitudinal direction of the pair of tank main bodies 5, A heat exchanger in which a pair of tank bodies 5 are connected and fixed by a reinforcing bar 8 via a boss portion 6.
JP30357795A 1995-10-27 1995-10-27 Heat exchanger Pending JPH09126683A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP30357795A JPH09126683A (en) 1995-10-27 1995-10-27 Heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30357795A JPH09126683A (en) 1995-10-27 1995-10-27 Heat exchanger

Publications (1)

Publication Number Publication Date
JPH09126683A true JPH09126683A (en) 1997-05-16

Family

ID=17922683

Family Applications (1)

Application Number Title Priority Date Filing Date
JP30357795A Pending JPH09126683A (en) 1995-10-27 1995-10-27 Heat exchanger

Country Status (1)

Country Link
JP (1) JPH09126683A (en)

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