JPH08159688A - Port pipe mount structure to heat exchanger tank - Google Patents
Port pipe mount structure to heat exchanger tankInfo
- Publication number
- JPH08159688A JPH08159688A JP32350194A JP32350194A JPH08159688A JP H08159688 A JPH08159688 A JP H08159688A JP 32350194 A JP32350194 A JP 32350194A JP 32350194 A JP32350194 A JP 32350194A JP H08159688 A JPH08159688 A JP H08159688A
- Authority
- JP
- Japan
- Prior art keywords
- inlet
- tank
- outlet pipe
- pipe
- heat exchanger
- 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
- F28F9/0246—Arrangements for connecting header boxes with flow lines
- F28F9/0248—Arrangements for sealing connectors to header boxes
-
- 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
- F28F9/0246—Arrangements for connecting header boxes with flow lines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2275/00—Fastening; Joining
- F28F2275/12—Fastening; Joining by methods involving deformation of the elements
- F28F2275/122—Fastening; Joining by methods involving deformation of the elements by crimping, caulking or clinching
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、例えば車両用空調装
置において、ヒータコアのタンクに出入口パイプを取り
付けるための構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for attaching an inlet / outlet pipe to a tank of a heater core in a vehicle air conditioner, for example.
【０００２】[0002]
【従来の技術】ヒータコアのタンクに形成された出入口
孔にパイプを取付ける構造としては、実開平１−１６７
９０８号公報の第２図に示されるものが公知となってい
る。2. Description of the Related Art As a structure for attaching a pipe to an inlet / outlet hole formed in a tank of a heater core, an actual Kaihei 1-167 is used.
The one shown in FIG. 2 of Japanese Patent No. 908 is known.
【０００３】かかる公報に示されたヒータコアパイプ５
をヒータコア１のタンク２に開設した温水循環口３に取
付ける構造を概説する。まず、温水循環口３の周縁をバ
ーリング加工すると共に、螺子孔１５ａが形成されたフ
ランジ部１５を温水循環口３の周囲に形成する。そし
て、リング状のシール部材４を前記フランジ部１５から
突出した温水循環口に外嵌する。また、ヒータコアパイ
プ５の先端部に圧接凹部５ａを形成すると共にその座板
１８に螺子孔１７を形成し、かかるヒータコアパイプ５
を前記圧接凹部５ａがシール部材４の圧接凸部４ｂに当
接すると共に螺子孔１７がフランジ部１５の螺子孔１５
ａと連通するようにタンク２に取り付ける。更に、前記
ヒータコアパイプ５の螺子孔１７とフランジ部１５の螺
子孔１５ａとを螺子１６で螺合することにより、その取
付けが完了する。The heater core pipe 5 disclosed in such publication.
The outline of the structure for attaching the to the hot water circulation port 3 opened in the tank 2 of the heater core 1 will be described. First, the periphery of the hot water circulation port 3 is burred, and the flange portion 15 in which the screw hole 15a is formed is formed around the hot water circulation port 3. Then, the ring-shaped seal member 4 is externally fitted to the hot water circulation port protruding from the flange portion 15. The heater core pipe 5 has a press-contact recess 5a formed at the tip thereof and a screw hole 17 formed in the seat plate 18 thereof.
The pressure contact concave portion 5a abuts the pressure contact convex portion 4b of the seal member 4, and the screw hole 17 forms the screw hole 15 of the flange portion 15.
It is attached to the tank 2 so as to communicate with a. Further, the screw hole 17 of the heater core pipe 5 and the screw hole 15a of the flange portion 15 are screwed together by the screw 16 to complete the attachment.
【０００４】また、アルミニウム製の出入口パイプを予
めアルミニウム製の熱交換器のコアに組付けてた後、か
かる熱交換器のコアと炉中ろう付けすることにより出入
口パイプをコアに一体ろう付する取付け手順も一般に知
られている。Also, after the inlet / outlet pipe made of aluminum is assembled in advance to the core of the heat exchanger made of aluminum, the inlet / outlet pipe is integrally brazed to the core by brazing with the core of the heat exchanger in the furnace. The mounting procedure is also generally known.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、上記し
た従来例のうち前者では、出入口パイプが形成された座
板の四隅を螺子により固定しなければならないので、出
入口パイプの取付け作業が煩雑であるという不都合を有
していた。However, in the former one of the above-mentioned conventional examples, the four corners of the seat plate on which the inlet / outlet pipe is formed must be fixed by screws, so that the work of mounting the inlet / outlet pipe is complicated. Had inconvenience.
【０００６】これに対し、上記した従来例のうち後者で
は、出入口パイプの取付けに螺子を不要とできるが、炉
中ろう付けするためには、出入口パイプがアルミニウム
製である必要がある。このため、かかる出入口パイプの
折曲自由度が小さくなるので、出入口パイプを複雑な形
状に折曲加工し難いという不都合を有していた。また、
出入口パイプの材質にアルミニウムを用いることによ
り、製造コストが高くつくという不都合も有していた。On the other hand, in the latter of the above-mentioned conventional examples, a screw can be unnecessary for attaching the inlet / outlet pipe, but the inlet / outlet pipe needs to be made of aluminum for brazing in the furnace. For this reason, the degree of freedom of bending the inlet / outlet pipe is reduced, so that it is difficult to bend the inlet / outlet pipe into a complicated shape. Also,
The use of aluminum for the material of the inlet / outlet pipe also has the disadvantage of high manufacturing cost.
【０００７】そこで、この発明は、上記問題点に鑑み、
出入口パイプを簡易にタンクに取付けられると共に、そ
の出入口パイプを自由に折曲加工することが可能で、且
つその製造コストも削減できる熱交換器のタンクへの出
入口パイプ取付構造を提供することを目的とする。In view of the above problems, the present invention has been made in view of the above problems.
An object is to provide a structure for mounting an inlet / outlet pipe to a tank of a heat exchanger, in which the inlet / outlet pipe can be easily attached to the tank, the inlet / outlet pipe can be freely bent, and the manufacturing cost can be reduced. And
【０００８】[0008]
【課題を解決するための手段】しかして、請求項１に係
る発明では、熱交換器のタンクの出入口孔に、底部に形
成された孔を整合させてかしめ筒体を熱交換器のタンク
に配すると共に、前記かしめ筒体の底部にて係止される
まで中継パイプを前記タンクの出入口孔とかしめ筒体の
孔とに挿入し、かかる中継パイプとかしめ筒体を熱交換
器にろう付した後、Ｏ−リングを介在して出入口パイプ
を前記中継パイプに外嵌しながらかしめ筒体で該出入口
パイプを係止することにより出入口パイプを熱交換器の
タンクに取付けたことを特徴とする。In the invention according to claim 1, the hole formed in the bottom is aligned with the inlet / outlet hole of the tank of the heat exchanger, and the caulking cylinder is attached to the tank of the heat exchanger. While arranging, insert the relay pipe into the inlet / outlet hole of the tank and the hole of the caulking cylinder until it is locked at the bottom of the caulking cylinder, and braze the relay pipe and the caulking cylinder to the heat exchanger. After that, the inlet / outlet pipe is attached to the tank of the heat exchanger by locking the inlet / outlet pipe with a caulking cylinder while externally fitting the inlet / outlet pipe to the relay pipe with an O-ring interposed. .
【０００９】また、請求項２に係る発明では、かしめ筒
体の底部側に孔が形成された挿入部を設け、この挿入部
を熱交換器のタンクの出入口孔に挿入し、かかるかしめ
筒体を熱交換器にろう付した後、Ｏ−リングを介在して
出入口パイプを前記かしめ筒体内に挿入し、該かしめ筒
体で出入口パイプを係止することにより出入口パイプを
熱交換器のタンクに取付けたことを特徴とする。Further, in the invention according to claim 2, an insertion portion having a hole is provided on the bottom side of the caulking cylinder body, and the insertion portion is inserted into the inlet / outlet hole of the tank of the heat exchanger, and the caulking cylinder body is inserted. After being brazed to the heat exchanger, the inlet / outlet pipe is inserted into the caulking cylinder through an O-ring, and the inlet / outlet pipe is locked to the tank of the heat exchanger by the caulking cylinder. It is characterized by being installed.
【００１０】そして、請求項３に係る発明では、出入口
パイプは、樹脂性であっても良い。In the invention according to claim 3, the inlet / outlet pipe may be made of resin.
【００１１】[0011]
【作用】従って、請求項１に記載の熱交換器のタンクへ
の出入口パイプ取付構造によれば、熱交換器のタンクに
ろう付けされた中継パイプと出入口パイプとをＯ−リン
グでシールすると共に、かしめ筒体で係止するので、出
入口パイプを確実に熱交換器のタンクに取付けることが
できる。Therefore, according to the inlet / outlet pipe mounting structure for the heat exchanger tank according to the first aspect, the relay pipe brazed to the tank of the heat exchanger and the inlet / outlet pipe are sealed with the O-ring. Since it is locked by the caulking cylinder, the inlet / outlet pipe can be securely attached to the tank of the heat exchanger.
【００１２】また、請求項２に記載の熱交換器のタンク
への出入口パイプ取付構造によれば、かしめ筒体が中継
パイプの代用もするため、中継パイプも不要なので、部
品点数を削減できると共に、その取付工数も減少するの
で作業が簡易になる。Further, according to the inlet / outlet pipe mounting structure for the tank of the heat exchanger according to the second aspect, since the caulking cylinder body also substitutes the relay pipe, the relay pipe is not necessary, and the number of parts can be reduced. Since the number of installation steps is reduced, the work becomes easier.
【００１３】また、請求項３に記載の熱交換器のタンク
への出入口パイプ取付構造によれば、出入口パイプを樹
脂製とすることにより、出入口パイプの曲折加工を容易
にでき、またその製造コストを低減できる。Further, according to the inlet / outlet pipe mounting structure for the tank of the heat exchanger according to the third aspect, since the inlet / outlet pipe is made of resin, the bending of the inlet / outlet pipe can be facilitated and the manufacturing cost thereof can be improved. Can be reduced.
【００１４】[0014]
【実施例】以下、この発明の実施例を図面により説明す
る。Embodiments of the present invention will be described below with reference to the drawings.
【００１５】図１及び図２において、この発明に係る車
両用空調装置のヒータコアのタンクに出入口パイプを取
付ける構造について、その一例が示されている。FIGS. 1 and 2 show an example of a structure for attaching an inlet / outlet pipe to the tank of the heater core of the vehicle air conditioner according to the present invention.
【００１６】このうちヒータコア１は、その全体構成を
図示しないが例えば熱交換媒体の通路を形成するチュー
ブエレメントとコルゲートフィンとを交互に積層すると
共に、積層されたチューブエレメントの一端側にタンク
２を接続し、かかるタンク２に形成の出入口孔３に出入
口パイプ２０を取付けて成る公知のものである。また、
タンク２は、ろう材がクラッドされたアルミニウムを主
原料とするアルミニウム合金により形成されているがこ
れも公知のものである。The heater core 1 of which the overall structure is not shown, for example, tube elements and corrugated fins forming passages for the heat exchange medium are alternately laminated, and the tank 2 is provided on one end side of the laminated tube elements. It is a publicly known one which is connected and an inlet / outlet pipe 20 is attached to an inlet / outlet hole 3 formed in the tank 2. Also,
The tank 2 is formed of an aluminum alloy whose main raw material is aluminum clad with a brazing material, which is also known.
【００１７】従って、ヒータコア１の説明は省略して、
この発明の要旨であるタンク２への出入口パイプ２０の
取付構造に絞って以下説明していく。かかるタンク２へ
の出入口パイプ２０の取付構造は、かしめ筒体４と、中
継パイプ１０と、出入口パイプ２０と、出入口パイプ２
０と中継パイプ１０との間をシールするためのＯ−リン
グ１５とで基本的に構成されている。Therefore, the description of the heater core 1 is omitted,
The following description will focus on the mounting structure of the inlet / outlet pipe 20 to the tank 2, which is the gist of the present invention. The attachment structure of the inlet / outlet pipe 20 to the tank 2 is as follows: the caulking cylinder 4, the relay pipe 10, the inlet / outlet pipe 20, and the inlet / outlet pipe 2
Basically, it is composed of an O-ring 15 for sealing between 0 and the relay pipe 10.
【００１８】このうち、かしめ筒体４は、全部又は少な
くともタンク２と当接する底部５がろう材のクラッドさ
れたアルミニウムを主原料とするアルミニウム合金によ
り形成されたものである。そして、このかしめ筒体４の
底部５には、タンク２の出入口孔３と略同径の孔６が穿
たれていると共に、非取付時においては図１に示される
様に複数の係止片７が軸方向に所定の間隔で開口端周囲
から延出した状態になっている。また、かしめ筒体４の
底部５から係止片７までの寸法は、下記する出入口パイ
プ２０の嵌合部２０ａの軸方向寸法よりも若干大きくな
っている。尚、前記係止片７の形状は、図１では四角形
の板状となっているがその形状は限定されず、例えば三
角形状のものであってもまた、切り溝がなくても良いも
のである。Among them, the caulking tubular body 4 is made of an aluminum alloy whose main material is aluminum whose clad brazing material is clad with the bottom portion 5 which comes into contact with the tank 2 or at least. A hole 6 having substantially the same diameter as the inlet / outlet hole 3 of the tank 2 is bored in the bottom portion 5 of the caulking cylinder 4, and a plurality of locking pieces as shown in FIG. 7 are in a state of extending from the periphery of the opening end at a predetermined interval in the axial direction. Further, the dimension from the bottom portion 5 of the caulking cylinder 4 to the locking piece 7 is slightly larger than the axial dimension of the fitting portion 20a of the inlet / outlet pipe 20 described below. The shape of the locking piece 7 is a quadrangular plate shape in FIG. 1, but the shape is not limited. For example, the locking piece 7 may have a triangular shape or may not have a kerf. is there.
【００１９】中継パイプ１０は、ろう材がクラッドされ
たアルミニウムを主原料とするアルミニウム合金により
形成され、その円筒のパイプ本体１０ａと、その軸方向
中央に外方へ突出するフランジ１１を有している。この
中継パイプ１０は、前記かしめ筒体４内に収納されなが
ら、その下方が前記かしめ筒体４の孔６に、上方が下記
する出入口パイプ２０にそれぞれ挿入される。The relay pipe 10 is made of an aluminum alloy whose main raw material is aluminum clad with a brazing material, and has a cylindrical pipe body 10a and a flange 11 projecting outward at the axial center thereof. There is. While the relay pipe 10 is housed in the caulking cylinder 4, the lower part thereof is inserted into the hole 6 of the caulking cylinder 4 and the upper part thereof is inserted into the inlet / outlet pipe 20 described below.
【００２０】Ｏ−リング１５は、ゴム等の弾性体で形成
された環状のもので、前記中継パイプ１０にフランジ１
１で係止される共に下記する出入口パイプ２０の環状段
部２２内に収納されることにより、中継パイプ１０と出
入口パイプ２０とをシールするものである。The O-ring 15 is an annular member made of an elastic material such as rubber, and is formed on the relay pipe 10 by the flange 1
The relay pipe 10 and the inlet / outlet pipe 20 are sealed by being locked in 1 and housed in the annular step portion 22 of the inlet / outlet pipe 20 described below.
【００２１】出入口パイプ２０は、タンク２への取付側
において前記かしめ筒体４内に挿嵌される略円筒状の嵌
合部２０ａが設けられている。嵌合部２０ａは、パイプ
本体２０ｂよりも外径が大きいため、パイプ本体２０ｂ
との境界部で段部２０ｃが形成されている。また、パイ
プ２０ａから嵌合部２０ａの反開口側までの開口周縁に
おいて前記Ｏ−リング１５を装着するためにパイプ本体
２０の通路２１の内径よりも大きな内径の環状段部２２
が形成されている。The inlet / outlet pipe 20 is provided with a substantially cylindrical fitting portion 20a which is inserted into the caulking cylinder 4 on the side where it is attached to the tank 2. Since the fitting portion 20a has a larger outer diameter than the pipe body 20b, the pipe body 20b
A stepped portion 20c is formed at the boundary portion between and. Further, in order to mount the O-ring 15 on the opening peripheral edge from the pipe 20a to the opposite opening side of the fitting portion 20a, the annular step portion 22 having an inner diameter larger than the inner diameter of the passage 21 of the pipe body 20.
Are formed.
【００２２】次に、上記構成により成るかしめ筒体４、
中継パイプ１０、Ｏ−リング１５及び出入口パイプ２０
のタンク２への取付手順について、図１に基づいて説明
する。Next, the caulking cylindrical body 4 having the above structure,
Relay pipe 10, O-ring 15, and entrance / exit pipe 20
The procedure for attaching the above to the tank 2 will be described with reference to FIG.
【００２３】まず、かしめ筒体４をタンク２の出入口孔
３と該かしめ筒体４の孔６とが連通する様にタンク２に
配した後、中継パイプ１０をフランジ１１がかしめ筒体
４の底部に当接するまで出入口孔３と孔６に挿入する。
そして、これらかしめ筒体４と中継パイプ１０を取付け
たまま炉に入れる。これにより、かしめ筒体４と中継パ
イプ１０とは、タンク２に炉中ろう付けされる。First, the caulking cylindrical body 4 is arranged in the tank 2 so that the inlet / outlet hole 3 of the tank 2 and the hole 6 of the caulking cylindrical body 4 communicate with each other, and then the relay pipe 10 has the flange 11 of the caulking cylindrical body 4. Insert into the inlet / outlet hole 3 and the hole 6 until it abuts on the bottom.
Then, the caulking cylinder body 4 and the relay pipe 10 are put in the furnace with them attached. As a result, the caulking cylinder 4 and the relay pipe 10 are brazed to the tank 2 in the furnace.
【００２４】次に、炉からヒータコア１を出して、当然
ながら冷却した後に、中継パイプ１０にＯ−リング１５
をフランジ１１と当接するまで外挿する。そして、出入
口パイプ２０を中継パイプ１０に被挿する。これによ
り、Ｏ−リング１５は、出入口パイプ２０の環状段部２
２に当接されるようになる。最後にかしめ筒体４の係止
片７を内側に曲げるようにかしめて出入口パイプ２０を
保持することにより、その取付けが完了し、図２に示さ
れる状態になる。Next, after the heater core 1 is taken out of the furnace and naturally cooled, the O-ring 15 is attached to the relay pipe 10.
Is extrapolated until it contacts the flange 11. Then, the inlet / outlet pipe 20 is inserted into the relay pipe 10. As a result, the O-ring 15 becomes the annular step portion 2 of the inlet / outlet pipe 20.
It comes into contact with 2. Finally, the locking piece 7 of the caulking cylinder 4 is caulked so as to be bent inward, and the inlet / outlet pipe 20 is held, whereby the attachment is completed, and the state shown in FIG. 2 is obtained.
【００２５】しかるに、以上の出入口パイプのタンクへ
の取付け手順によれば、ボルト、ビス等の連結具を用い
ず取付けることができると共に、ヒータコア１の炉中ろ
う付け後において出入口パイプ２０をタンクに取り付け
ることができるので、かかる出入口パイプ２０は、例え
ばナイロンとガラス繊維とを主原料とした樹脂製のもの
とすることが可能となる。However, according to the above procedure for attaching the inlet / outlet pipe to the tank, the inlet / outlet pipe 20 can be attached to the tank after the heater core 1 is brazed in the furnace without using a connecting tool such as a bolt or a screw. Since it can be attached, the inlet / outlet pipe 20 can be made of, for example, a resin whose main raw material is nylon and glass fiber.
【００２６】尚、前記実施例において、中継パイプ１０
を介在して出入口パイプ２０をタンク２に取り付けると
して説明してきたが必ずしもこれに限定されず、中継パ
イプを用いなくても良い。かかる中継パイプを不要とし
た実施例について図３及び図４に基づいて説明する。但
し、前記実施例と同様の構成のヒータコア１のタンク
２、かしめ筒体４の寸法及び係止片７については同一の
符号を付してその説明を省略する。また、タンク２、か
しめ筒体４、Ｏ−リング１５及び出入口パイプ２０の材
質についても、先の実施例と同様なので省略する。In the above embodiment, the relay pipe 10 is used.
Although it has been described that the inlet / outlet pipe 20 is attached to the tank 2 with the interposition of, the present invention is not necessarily limited to this, and the relay pipe may not be used. An embodiment in which such a relay pipe is unnecessary will be described with reference to FIGS. 3 and 4. However, the tank 2 of the heater core 1 and the dimensions of the caulking cylinder 4 and the locking piece 7 having the same configurations as those in the above-described embodiment are designated by the same reference numerals, and the description thereof will be omitted. Further, the materials of the tank 2, the caulking cylinder 4, the O-ring 15, and the inlet / outlet pipe 20 are also the same as those in the above-described embodiment, and therefore will be omitted.
【００２７】図３に示される実施例は、かしめ筒体４の
底部５に孔６の周縁から外方に延設された挿入部８が形
成されたものとなっている。かかる挿入部８は、タンク
２の出入口孔３に挿入できる様になっている。出入口パ
イプ２０は、嵌合部２０ａがかしめ部材４の底部５に当
接する面において、Ｏ−リング１５を収納する環状溝部
２３が形成されている。In the embodiment shown in FIG. 3, the caulking cylinder 4 has a bottom portion 5 formed with an insertion portion 8 extending outward from the periphery of the hole 6. The insertion portion 8 can be inserted into the inlet / outlet hole 3 of the tank 2. The inlet / outlet pipe 20 is formed with an annular groove portion 23 for accommodating the O-ring 15 on the surface where the fitting portion 20a contacts the bottom portion 5 of the caulking member 4.
【００２８】図４に示される実施例は、かしめ筒体４の
底部５が外側に傾斜した斜面となっていると共に、孔６
の周縁から外方に延設された挿入部８が形成されたもの
となっている。かかる挿入部８も、タンク２の出入口孔
３に挿入できる様になっている。出入口パイプ２０は、
嵌合部２０ａの先端側が円周に沿って切り欠かれた切欠
き２４が形成されている。In the embodiment shown in FIG. 4, the bottom portion 5 of the caulking cylinder 4 has an inclined surface which is inclined outward and the hole 6 is formed.
The insertion portion 8 is formed so as to extend outward from the peripheral edge of the. The insertion portion 8 can also be inserted into the inlet / outlet hole 3 of the tank 2. The entrance pipe 20 is
A notch 24 is formed by cutting out the front end side of the fitting portion 20a along the circumference.
【００２９】上記２つの実施例に係るかしめ筒体４、Ｏ
−リング１５及び出入口パイプ１５のタンク２への取付
手順をまとめて説明すると、かしめ筒体４の挿入部８を
タンク２の出入口３に挿入した後、かしめ筒体４をヒー
タコア１と一緒に炉中ろう付けする。次に、炉からヒー
タコア１を出して冷却した後、Ｏ−リング１５が出入口
パイプ２０の環状溝２３又は切欠き２４に収納して出入
口パイプ２０をかしめ筒体４内に挿入する。しかる後に
かしめ筒体４の係止片７を内側に曲げるようにかしめて
出入口パイプ２０を保持することにより、その取付けが
完了する。The crimping cylinders 4, O according to the above two embodiments.
The procedure for attaching the ring 15 and the inlet / outlet pipe 15 to the tank 2 will be described collectively. After the insertion portion 8 of the caulking cylinder 4 is inserted into the inlet / outlet 3 of the tank 2, the caulking cylinder 4 is placed together with the heater core 1 in the furnace. Brazing inside. Next, after the heater core 1 is taken out of the furnace and cooled, the O-ring 15 is housed in the annular groove 23 or the notch 24 of the inlet / outlet pipe 20 and the inlet / outlet pipe 20 is inserted into the caulking cylinder 4. Thereafter, the locking piece 7 of the caulking cylinder 4 is caulked so as to be bent inward, and the inlet / outlet pipe 20 is held, whereby the attachment is completed.
【００３０】以上の出入口パイプのタンクへの取付け手
順によっても、先の実施例と同様にボルト、ビス等の連
結具を用いずに取付けることができると共に、ヒータコ
アの炉中ろう付け後において出入口パイプ２０をタンク
２に取り付けることができるので、かかる出入口パイプ
２０は、例えばナイロンとガラス繊維とを主原料とした
合成樹脂製のものとすることが可能となる。また、中継
パイプを不要とすることができるので、部品点数を削減
できる。According to the above procedure for attaching the inlet / outlet pipe to the tank, the inlet / outlet pipe can be attached without using a connecting tool such as a bolt or a screw as in the previous embodiment, and the inlet / outlet pipe after brazing the heater core in the furnace. Since 20 can be attached to the tank 2, the inlet / outlet pipe 20 can be made of, for example, a synthetic resin mainly made of nylon and glass fiber. Moreover, since the relay pipe can be eliminated, the number of parts can be reduced.
【００３１】[0031]
【発明の効果】以上の様に、請求項１に記載の熱交換器
のタンクへの出入口パイプ取付構造によれば、熱交換器
のタンクにろう付けされた中継パイプと出入口パイプと
をＯ−リングでシールすると共に、かしめ筒体で係止す
るので、出入口パイプを確実に熱交換器のタンクに取付
けることができる。また、出入口パイプは、ヒータコア
を炉中ろう付けした後に取付けるので、その材質を自由
に選択できる。As described above, according to the inlet / outlet pipe mounting structure for the heat exchanger tank according to the first aspect, the relay pipe and the inlet / outlet pipe brazed to the tank of the heat exchanger are Since the ring seals and the caulking cylinder engages, the inlet / outlet pipe can be securely attached to the tank of the heat exchanger. Further, since the inlet / outlet pipe is attached after the heater core is brazed in the furnace, the material can be freely selected.
【００３２】また、請求項２に記載の熱交換器のタンク
への出入口パイプ取付構造によれば、かしめ筒体が中継
パイプの代用もするため、中継パイプも不要なので、部
品点数を削減できると共に、その取付工数も減少してよ
り作業を簡易にできる。Further, according to the inlet / outlet pipe mounting structure for the tank of the heat exchanger according to the second aspect, since the caulking cylinder body also substitutes for the relay pipe, the relay pipe is not necessary, and the number of parts can be reduced. Also, the number of installation steps can be reduced, and the work can be simplified.
【００３３】また、請求項３に記載の熱交換器のタンク
への出入口パイプ取付構造によれば、出入口パイプを樹
脂製とすることにより、出入口パイプの複雑な形状の加
工を容易にでき、またその製造コストを低減できる。According to the inlet / outlet pipe mounting structure for the heat exchanger tank according to the third aspect, the inlet / outlet pipe is made of resin, so that the inlet / outlet pipe can be easily processed into a complicated shape. The manufacturing cost can be reduced.
【図１】図１は、この発明の第１の実施例に係る熱交換
器のタンクへの出入口パイプの取付手順を示した説明図
である。FIG. 1 is an explanatory view showing a procedure for attaching an inlet / outlet pipe to a tank of a heat exchanger according to a first embodiment of the present invention.
【図２】図２は、同上の熱交換器のタンクに出入口パイ
プを取付けた状態を示した断面図である。FIG. 2 is a sectional view showing a state in which an inlet / outlet pipe is attached to a tank of the heat exchanger of the above.
【図３】及びFIG. 3 and
【図４】図３及び図４は、第１の実施例と異なる実施例
に係る熱交換器のタンクに出入口パイプを取付けた状態
を示した断面図である。FIG. 3 and FIG. 4 are cross-sectional views showing a state in which an inlet / outlet pipe is attached to a tank of a heat exchanger according to an embodiment different from the first embodiment.
１ ヒータコア ２ タンク ３ 出入口孔 ４ かしめ筒体 ５ 底部 ６ 孔 ７ 係止片 １０ 中継パイプ １１ フランジ １５ Ｏ−リング ２０ 出入口パイプ 1 Heater Core 2 Tank 3 Entry / Exit Hole 4 Caulking Cylinder 5 Bottom 6 Hole 7 Locking Piece 10 Relay Pipe 11 Flange 15 O-Ring 20 Entry / Exit Pipe
Claims (3)
形成された孔を整合させてかしめ筒体を熱交換器のタン
クに配すると共に、前記かしめ筒体の底部にて係止され
るまで中継パイプを前記タンクの出入口孔とかしめ筒体
の孔とに挿入し、かかる中継パイプとかしめ筒体を熱交
換器にろう付した後、Ｏ−リングを介在して出入口パイ
プを前記中継パイプに外嵌しながらかしめ筒体で該出入
口パイプを係止することにより出入口パイプを熱交換器
のタンクに取付けたことを特徴とする熱交換器のタンク
への出入口パイプ取付構造。1. A caulking cylinder is arranged in a tank of a heat exchanger by aligning a hole formed in a bottom with an inlet / outlet hole of a tank of the heat exchanger, and the caulking cylinder is locked at the bottom of the caulking cylinder. Until the relay pipe is inserted into the inlet / outlet hole of the tank and the hole of the caulking cylinder, and the relay pipe and the caulking cylinder are brazed to the heat exchanger, the inlet / outlet pipe is relayed through the O-ring. A structure for mounting an inlet / outlet pipe to a tank of a heat exchanger, wherein the inlet / outlet pipe is attached to a tank of a heat exchanger by locking the inlet / outlet pipe with a caulking cylinder while fitting the pipe on the outside.
入部を設け、この挿入部を熱交換器のタンクの出入口孔
に挿入し、かかるかしめ筒体を熱交換器にろう付した
後、Ｏ−リングを介在して出入口パイプを前記かしめ筒
体内に挿入し、該かしめ筒体で出入口パイプを係止する
ことにより出入口パイプを熱交換器のタンクに取付けた
ことを特徴とする熱交換器のタンクへの出入口パイプ取
付構造。2. An insertion portion having a hole formed on the bottom side of the caulking cylinder is inserted into the inlet / outlet hole of the tank of the heat exchanger, and the caulking cylinder is brazed to the heat exchanger. After that, the inlet / outlet pipe is inserted into the caulking cylinder through an O-ring, and the inlet / outlet pipe is locked by the caulking cylinder to attach the inlet / outlet pipe to the tank of the heat exchanger. Inlet / outlet pipe mounting structure for the tank of the exchanger.
を特徴とする請求項１又は２記載の熱交換器のタンクへ
の出入口パイプ取付構造。3. The inlet / outlet pipe mounting structure for a tank of a heat exchanger according to claim 1, wherein the inlet / outlet pipe is made of synthetic resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32350194A JP3368448B2 (en) | 1994-12-01 | 1994-12-01 | Inlet / outlet pipe mounting structure to heat exchanger tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32350194A JP3368448B2 (en) | 1994-12-01 | 1994-12-01 | Inlet / outlet pipe mounting structure to heat exchanger tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08159688A true JPH08159688A (en) | 1996-06-21 |
| JP3368448B2 JP3368448B2 (en) | 2003-01-20 |
Family
ID=18155402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32350194A Expired - Lifetime JP3368448B2 (en) | 1994-12-01 | 1994-12-01 | Inlet / outlet pipe mounting structure to heat exchanger tank |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3368448B2 (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1004841A3 (en) * | 1998-11-27 | 2000-09-13 | Calsonic Corporation | Heat exchanger tank |
| JP2002206892A (en) * | 2000-12-28 | 2002-07-26 | Toyo Radiator Co Ltd | Entrance pipe connection structure of heat exchanger |
| US6450253B1 (en) | 1998-11-27 | 2002-09-17 | Calsonic Kansei Corporation | Tank of heat exchanger |
| JP2003021290A (en) * | 2001-07-10 | 2003-01-24 | Toyo Radiator Co Ltd | Connection structure of resin pipe and tank |
| JP2003021291A (en) * | 2001-07-10 | 2003-01-24 | Toyo Radiator Co Ltd | Connection structure of resin pipe and tank |
| JP2003042376A (en) * | 2001-07-31 | 2003-02-13 | Toyo Radiator Co Ltd | Connection structure for resin pipe and tank |
| JP2004020111A (en) * | 2002-06-18 | 2004-01-22 | Toyo Radiator Co Ltd | Connecting structure of resin pipe to tank |
| JP2012219990A (en) * | 2011-04-13 | 2012-11-12 | Togawa Rubber Co Ltd | Hose coupling |
| JP2014109409A (en) * | 2012-12-03 | 2014-06-12 | Hino Motors Ltd | Intercooler |
| US20150021904A1 (en) * | 2012-03-19 | 2015-01-22 | Dana Canada Corporation | Brazed fitting assembly |
| KR20170064836A (en) * | 2015-12-02 | 2017-06-12 | 이래오토모티브시스템 주식회사 | Counter-flow type heat exchanger |
| KR20180007933A (en) * | 2016-07-15 | 2018-01-24 | 주식회사 경동나비엔 | Structure for preventing damage of heat exchanger components by combustion heat |
-
1994
- 1994-12-01 JP JP32350194A patent/JP3368448B2/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1004841A3 (en) * | 1998-11-27 | 2000-09-13 | Calsonic Corporation | Heat exchanger tank |
| US6450253B1 (en) | 1998-11-27 | 2002-09-17 | Calsonic Kansei Corporation | Tank of heat exchanger |
| JP2002206892A (en) * | 2000-12-28 | 2002-07-26 | Toyo Radiator Co Ltd | Entrance pipe connection structure of heat exchanger |
| JP4588932B2 (en) * | 2001-07-10 | 2010-12-01 | 株式会社ティラド | Connection structure between resin pipe and tank |
| JP2003021291A (en) * | 2001-07-10 | 2003-01-24 | Toyo Radiator Co Ltd | Connection structure of resin pipe and tank |
| JP4588933B2 (en) * | 2001-07-10 | 2010-12-01 | 株式会社ティラド | Connection structure between resin pipe and tank |
| JP2003021290A (en) * | 2001-07-10 | 2003-01-24 | Toyo Radiator Co Ltd | Connection structure of resin pipe and tank |
| JP2003042376A (en) * | 2001-07-31 | 2003-02-13 | Toyo Radiator Co Ltd | Connection structure for resin pipe and tank |
| JP4713025B2 (en) * | 2001-07-31 | 2011-06-29 | 株式会社ティラド | Connection structure between resin pipe and tank |
| JP2004020111A (en) * | 2002-06-18 | 2004-01-22 | Toyo Radiator Co Ltd | Connecting structure of resin pipe to tank |
| JP2012219990A (en) * | 2011-04-13 | 2012-11-12 | Togawa Rubber Co Ltd | Hose coupling |
| US20150021904A1 (en) * | 2012-03-19 | 2015-01-22 | Dana Canada Corporation | Brazed fitting assembly |
| US10386125B2 (en) * | 2012-03-19 | 2019-08-20 | Dana Canada Corporation | Heat exchanger having fitting assembly |
| JP2014109409A (en) * | 2012-12-03 | 2014-06-12 | Hino Motors Ltd | Intercooler |
| KR20170064836A (en) * | 2015-12-02 | 2017-06-12 | 이래오토모티브시스템 주식회사 | Counter-flow type heat exchanger |
| KR20180007933A (en) * | 2016-07-15 | 2018-01-24 | 주식회사 경동나비엔 | Structure for preventing damage of heat exchanger components by combustion heat |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3368448B2 (en) | 2003-01-20 |
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