JP2588225Y2 - Aluminum oil cooler - Google Patents
Aluminum oil coolerInfo
- Publication number
- JP2588225Y2 JP2588225Y2 JP1993022829U JP2282993U JP2588225Y2 JP 2588225 Y2 JP2588225 Y2 JP 2588225Y2 JP 1993022829 U JP1993022829 U JP 1993022829U JP 2282993 U JP2282993 U JP 2282993U JP 2588225 Y2 JP2588225 Y2 JP 2588225Y2
- Authority
- JP
- Japan
- Prior art keywords
- oil cooler
- outer tube
- aluminum
- pipe
- tube
- 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.)
- Expired - Fee Related
Links
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Description
【考案の詳細な説明】[Detailed description of the invention]
【０００１】[0001]
【産業上の利用分野】本考案は、内管と外管とが同軸上
に配置され、両管の両端部間が閉塞されて内部にオイル
が流通すると共に、外周に冷却水が流通するアルミニュ
ーム製オイルクーラに係り、構造が簡単で炉内で一体的
にろう付け固定できるものに関する。The present invention relates to an aluminum pipe in which an inner pipe and an outer pipe are arranged coaxially, an oil is circulated inside the pipe by closing both ends of both pipes, and cooling water is circulated on the outer circumference. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an oil cooler made by Nyum, which has a simple structure and can be integrally brazed and fixed in a furnace.
【０００２】[0002]
【従来の技術】従来のアルミニューム製オイルクーラ
は、ろう材が予め被覆された内管と外管とを同軸上に配
置し、内管の両端部を均一に拡開して、その縁部を外管
の内面に接触固定する。そして、外管の両端部外周に穿
設された孔にボス部をろう材を介して配置し、適宜な治
具でボス部と外管とを一体的に固定する。そして、真空
炉内に挿入し、ろう材を溶融させると共にそれを固化
し、一体的にろう付け固定していた。又、実開平４−４
１９６８号公報記載のアルミニューム製オイルクーラ
は、オイル流出入用のボス部と外管の端部とを一体化し
た鋳物製の端部構造を有し、その端部材を外管及び内管
先端縁に接触させ、それを適宜な治具で保持した状態で
真空炉に挿入し、予め被覆したろう材を溶融させること
により、各部品間を液密にろう付け固定していた。2. Description of the Related Art In a conventional aluminum oil cooler, an inner tube and an outer tube pre-coated with a brazing material are coaxially arranged, and both ends of the inner tube are uniformly expanded to form an edge portion. To the inner surface of the outer tube. Then, the boss portion is arranged in a hole formed on the outer periphery of both ends of the outer tube via a brazing material, and the boss portion and the outer tube are integrally fixed with an appropriate jig. Then, the brazing material was inserted into a vacuum furnace to melt and solidify the brazing material, and was integrally brazed and fixed. In addition, 4-4
The aluminum oil cooler described in Japanese Patent No. 1968 has an end structure made of a casting in which a boss portion for oil inflow and outflow and an end portion of an outer tube are integrated. The parts were brought into contact with each other, inserted into a vacuum furnace while holding them with an appropriate jig, and the brazing material coated in advance was melted so that the parts were brazed and fixed in a liquid-tight manner.
【０００３】[0003]
【考案が解決しようとする課題】ところがこれらのオイ
ルクーラは、ろう付けの際、各部品間を特別な治具で締
結保持する必要があり面倒であった。さらに、後者のオ
イルクーラにおいては、鋳物製の端部構造を製作する必
要があるためコスト高とならざるを得なかった。そこで
本考案は、構造が簡単で組立て易く且つ、ろう付けの際
に治具を不要とする構造のアルミニューム製オイルクー
ラ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, these oil coolers are cumbersome because it is necessary to fasten and hold each component with a special jig during brazing. Further, in the latter oil cooler, it is necessary to manufacture an end structure made of a casting, so that the cost must be increased. Therefore, an object of the present invention is to provide an aluminum oil cooler having a structure that is simple and easy to assemble and does not require a jig during brazing, and has the following configuration to achieve the object. .
【０００４】[0004]
【課題を解決するための手段】本考案のアルミニューム
製オイルクーラは、内管１と外管２とがインナーフィン
３を介して同軸に配置されると共に、両管の軸方向両端
の両縁部間が閉塞され且つ、内管１の両端が開口し、外
管２の軸方向両端部外周面にオイル出入り口４が開口さ
れたものである。ここにおいて本考案の特徴とするとこ
ろは、両管の両端縁間に平面ドーナツ形のリングプレー
ト５が圧入され、外管２のオイル出入り口４の孔縁が外
側に突出したバーリング部６を構成し、そのバーリング
部６が配管接続用のボス部７の開口縁にカシメにより仮
固定される。そしてそれらの各部品の接触部間が、少な
くとも一方の部品に予め被覆又は両部品間に介装された
ろう材により、炉内で一体的に液密にろう付け固定され
たものである。In the aluminum oil cooler of the present invention, the inner tube 1 and the outer tube 2 are arranged coaxially via the inner fins 3 and both edges of both ends in the axial direction of both tubes. The inner tube 1 is open at both ends, and the oil inlet / outlet 4 is opened at the outer peripheral surfaces at both axial ends of the outer tube 2. Here, a feature of the present invention is that a flat donut-shaped ring plate 5 is press-fitted between both ends of both pipes, and a burring portion 6 in which a hole edge of an oil outlet 4 of the outer pipe 2 projects outward. The burring portion 6 is temporarily fixed to the opening edge of the boss portion 7 for pipe connection by caulking. The contact portions of these components are integrally and liquid-tight brazed and fixed in the furnace with a brazing material previously coated on at least one component or interposed between the two components.
【０００５】[0005]
【実施例】次に、図面に基づいて本考案の実施例につき
説明する。図１は本考案のアルミニューム製オイルクー
ラの要部縦断面図であり、図２は同側面図である。この
実施例では、同一長さのアルミニューム製（アルミニュ
ーム合金を含む、以下同じ）の内管１と外管２とを有
し、内管１の外面及び外管２の内面には夫々ろう材が被
覆されたものを用いる。そして、両者の間にマルチエン
トリー型のインナーフィン３が介装される。外管２の両
端部の外周面にはオイル出入り口４が形成され、その開
口縁が立ち上げられてバーリング部６を形成する。そし
て、内管１内に拡開治具が挿入され、内管１の直径を拡
大することにより、インナーフィン３を内管１と外管２
とに圧接する。それと共に、内管１と外管２の両端縁間
に断面Ｕ字状のリングプレート５が圧入される。そし
て、外管２の膨出部９上面にろう付け用リング８を介し
ボス部７が載置され、バーリング部６の孔縁部がカシメ
により拡開され、ボス部７の下端開口にそれが仮止め固
定される。このボス部７は、その根元部にフランジ状部
が形成され、その上面にＯリング嵌着用溝10が形成され
る。又、ボス部７外周には外ネジ部11が形成されてい
る。さらに、ボス部７の内面は段付状に形成され、その
開口に図示しないパイプが一体的に接合されるものであ
る。又、ろう付け用リング８はその両面にろう材が被覆
されたものを用いる。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a longitudinal sectional view of a main part of the aluminum oil cooler of the present invention, and FIG. 2 is a side view of the same. In this embodiment, an inner tube 1 and an outer tube 2 made of aluminum (including an aluminum alloy, the same applies hereinafter) of the same length are provided, and the outer surface of the inner tube 1 and the inner surface of the outer tube 2 are respectively provided. Use a material coated. Then, a multi-entry inner fin 3 is interposed between the two. An oil inlet / outlet 4 is formed on the outer peripheral surface of both ends of the outer tube 2, and an opening edge thereof is raised to form a burring portion 6. Then, an expanding jig is inserted into the inner tube 1 to increase the diameter of the inner tube 1 so that the inner fins 3 are connected to the inner tube 1 and the outer tube 2.
And press against. At the same time, a ring plate 5 having a U-shaped cross section is press-fitted between both end edges of the inner pipe 1 and the outer pipe 2. Then, the boss 7 is placed on the upper surface of the bulging portion 9 of the outer tube 2 via the brazing ring 8, the edge of the hole of the burring 6 is expanded by caulking, and the boss 7 is placed at the lower end opening of the boss 7. Temporarily fixed. The boss portion 7 has a flange-like portion formed at the root thereof, and an O-ring fitting groove 10 formed on the upper surface thereof. Further, an outer thread portion 11 is formed on the outer periphery of the boss portion 7. Further, the inner surface of the boss 7 is formed in a stepped shape, and a pipe (not shown) is integrally joined to the opening. The brazing ring 8 has a brazing material coated on both sides.
【０００６】なお、この実施例ではオイルクーラの左端
部のみを図示したが、右端部も対称形の同様の構造に形
成される。このような組立体を高温の真空炉に挿入し、
予め被覆され或いは介装されたろう材を溶融し、次いで
それを固化することより各部品の接触部を一体的にろう
付け固定し、本オイルクーラを完成する。そして、ボス
部７の開口に図示しないパイプが固定され、Ｏリング嵌
着用溝10に図示しないＯリングが嵌着され、図示しない
自動車用ラジエータの下部タンク内に内装される。この
下部タンクには、ボス部７貫通用の孔が穿設され、その
孔からオイルクーラのボス部７の一部を突出させる。そ
して図示しないナットを外ネジ部11に螺着締結し、オイ
ル配管をボス部７のパイプに接続し、一方のボス部７か
ら他方のボス部７に高温の被冷却用オイルを流通させ
る。そして、冷却水を内管１の内面及び外管２の外面に
流通させ、オイルとの間に熱交換を行うものである。In this embodiment, only the left end of the oil cooler is shown, but the right end is also formed to have a similar symmetrical structure. Insert such an assembly into a high-temperature vacuum furnace,
By melting the previously coated or interposed brazing material and then solidifying it, the contact portions of the components are integrally brazed and fixed to complete the present oil cooler. Then, a pipe (not shown) is fixed to the opening of the boss portion 7, an O-ring (not shown) is fitted into the O-ring fitting groove 10, and the pipe is housed in the lower tank of the radiator (not shown). A hole for penetrating the boss 7 is formed in the lower tank, and a part of the boss 7 of the oil cooler is projected from the hole. Then, a nut (not shown) is screwed and fastened to the outer thread portion 11, an oil pipe is connected to the pipe of the boss portion 7, and high-temperature oil to be cooled flows from one boss portion 7 to the other boss portion 7. Then, the cooling water flows through the inner surface of the inner tube 1 and the outer surface of the outer tube 2 to exchange heat with the oil.
【０００７】[0007]
【変形例】図２は本考案の第二実施例であり、この実施
例が前記第一実施例と異なる点はリングプレート５のみ
である。この実施例のリングプレート５は、断面コ字状
に形成され、その環状溝の二つの内壁の直径が、外管２
の外周と内管１の内周とに整合するように形成されてい
る。そして、図３に示す如く、内管１及び外管２の両端
縁間にリングプレート５が被嵌されるものである。な
お、上記第一実施例においては、ボス部７と外管２との
間にろう付け用リング８を介装したが、外管２自体の外
周面に予めろう材を被覆したものを用いれば、ろう付け
用リング８を省略することができる。又、インナーフィ
ン３を構成する金属板の両面にろう材が被覆されたもの
を用いると共に、リングプレート５の接触側表面にろう
材が被覆されたものを用いることにより、内管１及び外
管２の表面にはろう材の存在しないものを用いることが
可能となる。FIG. 2 shows a second embodiment of the present invention. This embodiment differs from the first embodiment only in the ring plate 5. The ring plate 5 of this embodiment is formed in a U-shaped cross section, and the diameter of two inner walls of the annular groove is equal to that of the outer tube 2.
And the inner circumference of the inner tube 1 are formed to match. Then, as shown in FIG. 3, a ring plate 5 is fitted between both end edges of the inner tube 1 and the outer tube 2. In the first embodiment, the brazing ring 8 is interposed between the boss 7 and the outer tube 2. However, if the brazing material is previously coated on the outer peripheral surface of the outer tube 2 itself, it may be used. The brazing ring 8 can be omitted. In addition, by using a metal plate having a brazing material coated on both sides of a metal plate constituting the inner fin 3 and using a metal plate with a brazing material coated on the contact side surface of the ring plate 5, the inner tube 1 and the outer tube are formed. It is possible to use a material having no brazing material on the surface of No. 2.
【０００８】[0008]
【考案の効果】本考案のアルミニューム製オイルクーラ
は以上のように構成したから、構造が簡単で炉内で一体
的にろう付けできる量産性の優れたオイルクーラとな
る。[Effect of the Invention] Since the aluminum oil cooler of the present invention is configured as described above, the oil cooler has a simple structure and excellent mass productivity that can be integrally brazed in the furnace.
【図１】本考案の第一実施例の要部縦断面図。FIG. 1 is a longitudinal sectional view of a main part of a first embodiment of the present invention.
【図２】同側面図。FIG. 2 is a side view of the same.
【図３】本考案の第二実施例の要部縦断面図。FIG. 3 is a longitudinal sectional view of a main part of a second embodiment of the present invention.
１ 内管 ２ 外管 ３ インナーフィン ４ オイル出入り口 ５ リングプレート ６ バーリング部 ７ ボス部 ８ ろう付け用リング ９ 膨出部 10 Ｏリング嵌着用溝 11 外ネジ部 DESCRIPTION OF SYMBOLS 1 Inner pipe 2 Outer pipe 3 Inner fin 4 Oil inlet / outlet 5 Ring plate 6 Burring part 7 Boss part 8 Brazing ring 9 Swelling part 10 O-ring fitting groove 11 External screw part
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) F28D 7/10 F28F 9/02 301──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 6 , DB name) F28D 7/10 F28F 9/02 301
Claims (1)
介して同軸に配置されると共に、両管の軸方向両端の両
縁部間が閉塞され且つ、前記内管１の両端が開口し、前
記外管２の軸方向両端部外周面にオイル出入り口４が開
口したアルミニューム製オイルクーラにおいて、前記両
管の前記両端縁間に平面ドーナツ形のリングプレート５
が圧入され、前記外管２の前記オイル出入り口４の孔縁
が外側に突出されたバーリング部６を形成し、該バーリ
ング部６が配管接続用のボス部７の開口縁にカシメによ
り仮固定され、それらの各部品の接触部間が少なくとも
一方に予め被覆又は介装されたろう材により炉内で一体
的に液密にろう付け固定されてなることを特徴とするア
ルミニューム製オイルクーラ。1. An inner tube 1 and an outer tube 2 are arranged coaxially via an inner fin 3, and both ends of both tubes in the axial direction are closed, and both ends of the inner tube 1 are closed. In an oil cooler made of aluminum having an opening and an oil inlet / outlet 4 opened at the outer peripheral surfaces of both ends in the axial direction of the outer tube 2, a flat donut-shaped ring plate 5 is provided between the both ends of the two tubes.
Is press-fitted to form a burring portion 6 in which the hole edge of the oil inlet / outlet 4 of the outer pipe 2 projects outward, and the burring portion 6 is temporarily fixed to the opening edge of the boss portion 7 for pipe connection by caulking. An oil cooler made of aluminum, characterized in that at least one of the contact portions of these parts is integrally and liquid-tightly brazed and fixed in a furnace by a brazing material previously coated or interposed on at least one of the parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993022829U JP2588225Y2 (en) | 1993-04-05 | 1993-04-05 | Aluminum oil cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993022829U JP2588225Y2 (en) | 1993-04-05 | 1993-04-05 | Aluminum oil cooler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0684169U JPH0684169U (en) | 1994-12-02 |
| JP2588225Y2 true JP2588225Y2 (en) | 1999-01-06 |
Family
ID=12093590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1993022829U Expired - Fee Related JP2588225Y2 (en) | 1993-04-05 | 1993-04-05 | Aluminum oil cooler |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2588225Y2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005249312A (en) * | 2004-03-04 | 2005-09-15 | Denso Corp | Assembling method for heat exchanger member |
| JP2006112759A (en) * | 2004-10-18 | 2006-04-27 | Calsonic Kansei Corp | Structure and method for connecting header tank of heat exchanger to connector |
| KR200484222Y1 (en) * | 2015-07-01 | 2017-08-17 | 주식회사 한국쿨러 | Oil cooler |
| CN108458474A (en) * | 2018-02-05 | 2018-08-28 | 佛山市海德精工电子科技有限公司 | A kind of liquid heating |
-
1993
- 1993-04-05 JP JP1993022829U patent/JP2588225Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0684169U (en) | 1994-12-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |