JPH10160386A - Mounting structure of oil cooler with built in tank - Google Patents
Mounting structure of oil cooler with built in tankInfo
- Publication number
- JPH10160386A JPH10160386A JP33496296A JP33496296A JPH10160386A JP H10160386 A JPH10160386 A JP H10160386A JP 33496296 A JP33496296 A JP 33496296A JP 33496296 A JP33496296 A JP 33496296A JP H10160386 A JPH10160386 A JP H10160386A
- Authority
- JP
- Japan
- Prior art keywords
- oil cooler
- short tubular
- tubular portion
- inverted
- 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.)
- Granted
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
- F28F9/0234—Header boxes; End plates having a second heat exchanger disposed there within, e.g. oil cooler
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は主として自動車用ラ
ジエータのタンクに内蔵されると共に、そのタンク壁面
に取付けられる自動車用オイルクーラの取付け構造に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure of an oil cooler for a vehicle, which is mainly built in a tank of a radiator for a vehicle and mounted on a wall of the tank.
【０００２】[0002]
【従来の技術】この種のオイルクーラは一例として図４
の如く、図示しない自動車用ラジエータの下部側の樹脂
製タンク本体４に内装されると共に、その樹脂製タンク
本体４の壁面にそれが取付け固定されるものである。こ
の例におけるオイルクーラ本体２は二重筒体からなり、
その二重の筒体間の両端面が閉塞され、それらの間に被
冷却用オイルを流通させると共に、その内外周面に冷却
水を流通させるものである。即ち、このオイルクーラ本
体２の二重筒体間の一端から他端にオイルが流通し、そ
れと冷却水との間に熱交換が行われるものである。な
お、その冷却水は図示しない上部タンクからチューブ10
を通り下部側の樹脂製タンク本体４に流入し、図示しな
い出口管よりエンジンに還流するものである。また、こ
の樹脂製タンク本体４は軽量化その他のため、合成樹脂
材料で成形される。2. Description of the Related Art An oil cooler of this kind is shown in FIG.
As shown in the figure, the resin radiator (not shown) is provided inside the resin tank body 4 below the radiator and is fixed to the wall surface of the resin tank body 4. The oil cooler body 2 in this example is formed of a double cylinder,
Both end surfaces between the double cylinders are closed, and the oil to be cooled is circulated between them, and the cooling water is circulated on the inner and outer peripheral surfaces thereof. That is, oil flows from one end to the other end between the double cylinders of the oil cooler main body 2, and heat exchange is performed between the oil and the cooling water. The cooling water is supplied from an upper tank (not shown) to the tube 10.
Flows into the resin tank main body 4 on the lower side, and returns to the engine from an outlet pipe (not shown). The resin tank body 4 is formed of a synthetic resin material for weight reduction and the like.
【０００３】そして、オイルクーラ本体２は図６に示す
如くオイルの出入り口に突設されたボス部１を介して樹
脂製タンク本体４に締結固定される。このボス部１は、
短管状部１ａとその基部に設けられたフランジ部１ｂと
を有し、フランジ部１ｂの短管状部１ａ側端面に環状溝
を有し、そこにシール用のＯリング５が嵌着される。そ
して、オイルクーラ本体２を樹脂製タンク本体４に挿入
し、その内面側からボス部１の短管状部１ａを樹脂製タ
ンク本体４の取付け孔内に挿入する。そして、ワッシャ
６およびナット８を介してオイルクーラ本体２を樹脂製
タンク本体４に締結固定するものである。このとき、Ｏ
リング５が樹脂製タンク本体４の開口とボス部１との間
を液密に形成する。次に、図５はナット８のかわりに図
６に示す皿バネ７を用いてオイルクーラ本体２を樹脂製
タンク本体４に締結固定したものであり、実公昭６３ー
４１５３７号として本出願人自身が既に提案している。
このオイルクーラの取付け構造は、皿バネ７を短管状部
１ａの軸方向先端から挿入し、その端面をワッシャ６に
押圧するものである。The oil cooler main body 2 is fastened and fixed to a resin tank main body 4 through a boss 1 protruding from an oil inlet / outlet as shown in FIG. This boss 1
It has a short tubular portion 1a and a flange portion 1b provided at the base thereof, and has an annular groove in an end surface of the flange portion 1b on the side of the short tubular portion 1a, into which an O-ring 5 for sealing is fitted. Then, the oil cooler body 2 is inserted into the resin tank body 4, and the short tubular portion 1 a of the boss 1 is inserted into the mounting hole of the resin tank body 4 from the inner surface side. The oil cooler main body 2 is fastened and fixed to the resin tank main body 4 via the washer 6 and the nut 8. At this time,
The ring 5 forms a liquid-tight space between the opening of the resin tank body 4 and the boss 1. Next, FIG. 5 shows the oil cooler main body 2 fastened and fixed to the resin tank main body 4 by using the disc spring 7 shown in FIG. 6 instead of the nut 8. Has already proposed.
In this oil cooler mounting structure, the disc spring 7 is inserted from the axial end of the short tubular portion 1a, and the end face is pressed against the washer 6.
【０００４】[0004]
【発明が解決しようとする課題】図４に示す締結構造
は、ナット８を短管状部１ａの先端から螺着回転するた
め、取付けが面倒である欠点があった。これに対して、
図５に示す締結構造は皿バネ７を短管状部１ａの先端か
ら挿入して、その先端が突き当たるまで圧入すれば足り
る。したがって、その取付け自体は比較的容易である
が、皿バネ７のバネ圧を常に一定にすることが難しい欠
点がある。すなわち、皿バネ７の基端面がワッシャ６に
接触したとき、皿バネ７の爪部が短管状部１ａの外ネジ
に係止されるものであるが、その係止の仕方が必ずしも
一様でない。そのため、皿バネ７による締結力にばらつ
きが生じる虞がある。そこで、本発明は取付けが容易で
且つ、その締結力を常に一定とし得る安定性の高いオイ
ルクーラの取付け構造を提供することを課題とし、その
課題解決のため次の構成をとる。The fastening structure shown in FIG. 4 has a drawback that the installation is troublesome because the nut 8 is screwed and rotated from the tip of the short tubular portion 1a. On the contrary,
The fastening structure shown in FIG. 5 suffices if the disc spring 7 is inserted from the distal end of the short tubular portion 1a and press-fitted until the distal end abuts. Therefore, although the attachment itself is relatively easy, there is a disadvantage that it is difficult to always keep the spring pressure of the disc spring 7 constant. That is, when the base end surface of the disc spring 7 comes into contact with the washer 6, the claw portion of the disc spring 7 is locked to the external thread of the short tubular portion 1a, but the locking method is not always uniform. . Therefore, there is a possibility that the fastening force of the disc spring 7 varies. Therefore, an object of the present invention is to provide a highly stable oil cooler mounting structure that can be easily mounted and can always keep its fastening force constant. To solve the problem, the following configuration is adopted.
【０００５】[0005]
【課題を解決するための手段】本発明のタンク内蔵型オ
イルクーラの取付け構造は、外周にコネクタ接続用の外
ネジが形成された短管状部１ａを有し、その短管状部１
ａの軸方向一端外周にフランジ部１ｂが一体に突設さ
れ、そのフランジ部１ｂの一端面がオイルクーラ本体２
のオイル出入口の孔縁部に液密に接合されたボス部１
と、前記短管状部１ａの軸方向中間部外周にわずかに突
設された板バネ係止用の鍔部１ｃと、縦断面が逆Ｕ字状
に曲折された弾性金属板よりなり、その逆Ｕ字状の頂部
から中央部に前記短管状部１ａの直径より大なる開口か
らなる逆Ｕ字状欠切部３ａが形成された板バネ３と、を
具備し、前記短管状部１ａが樹脂製タンク本体４のボス
部挿通孔４ａに挿通されると共に、前記フランジ部１ｂ
の他端面がその挿通孔４ａの孔縁部にシール用のＯリン
グ５を介して圧接され、前記短管状部１ａにその半径方
向から前記板バネ３の前記逆Ｕ字状欠切部３ａが嵌入さ
れて、その板バネ３の両脚部外面が前記タンク本体４の
外面と前記鍔部１ｃとに圧接挟持されたものである。ま
た、本発明の好ましい実施の形態は、前記板バネ３の逆
Ｕ字状曲折部の根本部に抜け止め用の段差部３ｂが形成
されたものである。The mounting structure of the oil cooler with a built-in tank according to the present invention has a short tubular portion 1a on the outer periphery of which an external thread for connecting a connector is formed.
A flange 1b is integrally formed on the outer periphery of one end in the axial direction of FIG.
Boss 1 liquid-tightly joined to the hole edge of the oil inlet / outlet
A flange portion 1c for locking a leaf spring slightly protruding from an outer periphery of an intermediate portion in the axial direction of the short tubular portion 1a, and an elastic metal plate whose longitudinal section is bent in an inverted U-shape. A leaf spring 3 having an inverted U-shaped notch 3a formed from the top of the U-shape to the center and having an opening larger than the diameter of the short tubular portion 1a, wherein the short tubular portion 1a is made of resin. The boss insertion hole 4a of the tank body 4 and the flange 1b
Is pressed into contact with the hole edge of the insertion hole 4a via an O-ring 5 for sealing, and the inverted U-shaped notch 3a of the leaf spring 3 is fitted to the short tubular portion 1a from its radial direction. The outer surface of both legs of the leaf spring 3 is pressed and held between the outer surface of the tank body 4 and the flange 1c. In a preferred embodiment of the present invention, a stepped portion 3b for retaining is formed at the root of the inverted U-shaped bent portion of the leaf spring 3.
【０００６】[0006]
【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は本オイルクーラの取付
け構造の分解斜視図であり、図２はその板バネ３の斜視
図、図３は同取付け構造の縦断面図である。この例のオ
イルクーラ本体２は、前記従来型のそれと同様に二重管
型のものであり、その長手方向両端部外面に図示しない
オイルクーラの出入口が設けられ、その出入口の開口に
一対のボス部１が液密にろう付けまたはハンダ付け固定
されたものである。このボス部１は、短管状部１ａとそ
の基部に設けたフランジ部１ｂとからなり、フランジ部
１ｂの短管状部１ａ側端面にはＯリング嵌着用の環状溝
が形成されている。そして、短管状部１ａは図１および
図３に示す如くそのフランジ部１ｂ寄りの中間部にわず
かに鍔部１ｃが突設されている。そして、鍔部１ｃより
先端側の短管状部１ａ外周に外ネジが形成されたもので
ある。Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is an exploded perspective view of a mounting structure of the present oil cooler, FIG. 2 is a perspective view of the leaf spring 3, and FIG. 3 is a longitudinal sectional view of the mounting structure. The oil cooler main body 2 of this example is of a double pipe type similarly to that of the conventional type, and has an oil cooler entrance (not shown) provided on the outer surfaces of both ends in the longitudinal direction, and a pair of bosses is provided at the opening of the entrance. The part 1 is liquid-tight brazed or soldered and fixed. The boss 1 is composed of a short tubular portion 1a and a flange portion 1b provided at the base thereof. An annular groove for fitting an O-ring is formed on the end surface of the flange portion 1b on the short tubular portion 1a side. As shown in FIGS. 1 and 3, the short tubular portion 1a has a flange 1c slightly projecting from an intermediate portion near the flange 1b. An outer thread is formed on the outer periphery of the short tubular portion 1a on the distal end side from the flange portion 1c.
【０００７】次に、板バネ３はバネ鋼を逆Ｕ字状に曲折
すると共に、その曲折部の頂部から中間部にかけて、逆
Ｕ字状欠切部３ａが形成され且つ、折り曲げ部の根元に
受け止め用の段差部３ｂが設けられたものである。そし
て、図１および図３に示す如く、オイルクーラ本体２が
樹脂製タンク本体４内に挿入され、そのボス部１が樹脂
製タンク本体４のボス部挿通孔４ａに貫通される。この
とき、フランジ部１ｂの環状溝にはＯリング５が嵌入さ
れる。そして、短管状部１ａの先端側からワッシャ６が
挿通され、次いで板バネ３の両脚部を閉じた状態で、そ
の逆Ｕ字状欠切部３ａが鍔部１ｃとワッシャ６との間に
嵌入される。次いで、図３の如く板バネ３を自由状態に
開放すると、板バネ３の両脚部外面が樹脂製タンク本体
４の外面と鍔部１ｃとに圧接挟持され、その弾発力によ
りオイルクーラ本体２は樹脂製タンク本体４の外面側に
押圧される。すると、Ｏリング５の存在により、ボス部
１と樹脂製タンク本体４のボス部挿通孔４ａとの間が液
密に形成される。なお、ボス部１の短管状部１ａには図
示しないオイルパイプ先端がコネクタを介して螺着締結
される。Next, the leaf spring 3 bends the spring steel in an inverted U-shape, and has an inverted U-shaped notch 3a extending from the top to the middle of the bent portion, and is formed at the base of the bent portion. A step 3b for receiving is provided. As shown in FIGS. 1 and 3, the oil cooler main body 2 is inserted into the resin tank main body 4, and the boss 1 is penetrated through the boss insertion hole 4 a of the resin tank main body 4. At this time, the O-ring 5 is fitted into the annular groove of the flange portion 1b. Then, the washer 6 is inserted from the distal end side of the short tubular portion 1a, and then, with both legs of the leaf spring 3 closed, the inverted U-shaped notch 3a fits between the flange 1c and the washer 6. Is done. Then, as shown in FIG. 3, when the leaf spring 3 is released in a free state, the outer surfaces of both legs of the leaf spring 3 are pressed and held between the outer surface of the resin tank body 4 and the flange 1c, and the elasticity of the oil cooler body 2 Is pressed against the outer surface of the resin tank body 4. Then, the presence of the O-ring 5 forms a liquid-tight space between the boss 1 and the boss insertion hole 4 a of the resin tank body 4. An oil pipe tip (not shown) is screwed to the short tubular portion 1a of the boss portion 1 via a connector.
【０００８】[0008]
【発明の作用・効果】本発明のタンク内蔵型オイルクー
ラの取付け構造は、ボス部１の短管状部１ａにその半径
方向から板バネ３の逆Ｕ字状欠切部３ａが嵌入されて、
板バネ３の両脚部外面が樹脂製タンク本体４の外面と鍔
部１ｃとに圧接挟持される。それにより、オイルクーラ
本体２と樹脂製タンク本体４とをいわゆるワンタッチで
締結し得る。しかも、ボス部１の鍔部１ｃと樹脂製タン
ク本体４外表面との間隔は一定であるから、板バネ３の
締結力を一定に保持し、その締結の信頼性を高める。そ
して、板バネ３の弾発力によりオイルクーラ本体２と樹
脂製タンク本体４との液密性を保持する。そして、取付
け易く構造の簡単なオイルクーラの取付け構造を構成で
きる。According to the mounting structure of the oil cooler with a built-in tank of the present invention, the inverted U-shaped notch 3a of the leaf spring 3 is fitted into the short tubular portion 1a of the boss 1 from its radial direction.
The outer surfaces of both leg portions of the leaf spring 3 are pressed and held between the outer surface of the resin tank body 4 and the flange portion 1c. Thereby, the oil cooler main body 2 and the resin tank main body 4 can be fastened with one-touch operation. Moreover, since the distance between the flange 1c of the boss 1 and the outer surface of the resin tank body 4 is constant, the fastening force of the leaf spring 3 is kept constant, and the reliability of the fastening is enhanced. The resilient force of the leaf spring 3 maintains the liquid tightness between the oil cooler main body 2 and the resin tank main body 4. Further, an oil cooler mounting structure that is easy to mount and has a simple structure can be configured.
【図１】本発明のタンク内蔵型オイルクーラの取付け構
造の分解斜視図。FIG. 1 is an exploded perspective view of a mounting structure of an oil cooler with a built-in tank according to the present invention.
【図２】図１における板バネ３の斜視図。FIG. 2 is a perspective view of a leaf spring 3 in FIG.
【図３】同取付け構造の縦断面図。FIG. 3 is a longitudinal sectional view of the mounting structure.
【図４】従来型オイルクーラの取付け構造の縦断面図。FIG. 4 is a longitudinal sectional view of a mounting structure of a conventional oil cooler.
【図５】従来型オイルクーラの取付け構造の他の例を示
す縦断面図。FIG. 5 is a longitudinal sectional view showing another example of a conventional oil cooler mounting structure.
【図６】同取付け構造に用いられる皿バネ７の斜視図。FIG. 6 is a perspective view of a disc spring 7 used in the mounting structure.
１ ボス部 １ａ 短管状部 １ｂ フランジ部 １ｃ 鍔部 ２ オイルクーラ本体 ３ 板バネ ３ａ 逆Ｕ字状欠切部 ３ｂ 段差部 ４ 樹脂製タンク本体 ４ａ ボス部挿通孔 ５ Ｏリング ６ ワッシャ ７ 皿バネ ８ ナット ９ チューブプレート 10 チューブ DESCRIPTION OF SYMBOLS 1 Boss part 1a Short tubular part 1b Flange part 1c Flange part 2 Oil cooler main body 3 Leaf spring 3a Inverted U-shaped cutout part 3b Stepped part 4 Resin tank main body 4a Boss insertion hole 5 O ring 6 Washer 7 Disc spring 8 Nut 9 Tube plate 10 Tube
Claims (2)
れた短管状部１ａを有し、その短管状部１ａの軸方向一
端外周にフランジ部１ｂが一体に突設され、そのフラン
ジ部１ｂの一端面がオイルクーラ本体２のオイル出入口
の孔縁部に液密に接合されたボス部１と、 前記短管状部１ａの軸方向中間部外周にわずかに突設さ
れた板バネ係止用の鍔部１ｃと、 縦断面が逆Ｕ字状に曲折された弾性金属板よりなり、そ
の逆Ｕ字状の頂部から中央部に前記短管状部１ａの直径
より大なる開口からなる逆Ｕ字状欠切部３ａが形成され
た板バネ３と、 を具備し、前記短管状部１ａが樹脂製タンク本体４のボ
ス部挿通孔４ａに挿通されると共に、前記フランジ部１
ｂの他端面がその挿通孔４ａの孔縁部にシール用のＯリ
ング５を介して圧接され、前記短管状部１ａにその半径
方向から前記板バネ３の前記逆Ｕ字状欠切部３ａが嵌入
されて、その板バネ３の両脚部外面が前記タンク本体４
の外面と前記鍔部１ｃとに圧接挟持されたタンク内蔵型
オイルクーラの取付け構造。1. A short tubular portion 1a having an outer thread for connector connection formed on an outer periphery thereof, and a flange portion 1b is integrally protruded from an outer periphery of one end in the axial direction of the short tubular portion 1a. A boss portion 1 whose one end face is liquid-tightly joined to an edge of a hole of an oil inlet / outlet of an oil cooler main body 2, and a plate spring locking portion slightly protrudingly provided on an outer periphery of an intermediate portion in the axial direction of the short tubular portion 1a. A reverse U-shape formed of an elastic metal plate whose longitudinal section is bent in an inverted U-shape, and an opening larger than the diameter of the short tubular portion 1a from the top of the inverted U-shape to the center. A plate spring 3 having a notch 3a formed therein. The short tubular portion 1a is inserted into a boss insertion hole 4a of a resin tank body 4, and the flange 1
b is pressed against the edge of the insertion hole 4a via an O-ring 5 for sealing, and the inverted U-shaped notch 3a of the leaf spring 3 is contacted to the short tubular portion 1a from its radial direction. The outer surfaces of both legs of the leaf spring 3 are fitted to the tank body 4.
Mounting structure of an oil cooler with a built-in tank, which is pressed and held between an outer surface of the tank and the flange 1c.
字状曲折部の根本部に抜け止め用の段差部３ｂが形成さ
れたタンク内蔵型オイルクーラの取付け構造。2. The reverse U of the leaf spring 3 according to claim 1,
A mounting structure for an oil cooler with a built-in tank, in which a stepped portion 3b for retaining is formed at the base of the bent portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33496296A JP3806824B2 (en) | 1996-11-29 | 1996-11-29 | Installation structure of oil cooler with built-in tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33496296A JP3806824B2 (en) | 1996-11-29 | 1996-11-29 | Installation structure of oil cooler with built-in tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10160386A true JPH10160386A (en) | 1998-06-19 |
| JP3806824B2 JP3806824B2 (en) | 2006-08-09 |
Family
ID=18283185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33496296A Expired - Fee Related JP3806824B2 (en) | 1996-11-29 | 1996-11-29 | Installation structure of oil cooler with built-in tank |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3806824B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040075213A (en) * | 2003-02-20 | 2004-08-27 | 한라공조주식회사 | Radiator with built-in oil cooler |
| JP2014023953A (en) * | 2013-10-24 | 2014-02-06 | Fujifilm Corp | Operation part of endoscope |
| JP2020051031A (en) * | 2018-09-21 | 2020-04-02 | 日立建機株式会社 | Working machine |
-
1996
- 1996-11-29 JP JP33496296A patent/JP3806824B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040075213A (en) * | 2003-02-20 | 2004-08-27 | 한라공조주식회사 | Radiator with built-in oil cooler |
| JP2014023953A (en) * | 2013-10-24 | 2014-02-06 | Fujifilm Corp | Operation part of endoscope |
| JP2020051031A (en) * | 2018-09-21 | 2020-04-02 | 日立建機株式会社 | Working machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3806824B2 (en) | 2006-08-09 |
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