JPH0569734A - Refrigerant piping joint of cooler for automobile - Google Patents
Refrigerant piping joint of cooler for automobileInfo
- Publication number
- JPH0569734A JPH0569734A JP3232962A JP23296291A JPH0569734A JP H0569734 A JPH0569734 A JP H0569734A JP 3232962 A JP3232962 A JP 3232962A JP 23296291 A JP23296291 A JP 23296291A JP H0569734 A JPH0569734 A JP H0569734A
- Authority
- JP
- Japan
- Prior art keywords
- connector
- tube
- hole
- automobile
- chamfering
- 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
Links
Landscapes
- Air-Conditioning For Vehicles (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Abstract
(57)【要約】
【目的】ロウ付を施さない自動車用冷房装置の冷媒配管
継手において、製作上の不具合を生じさせず、従来あっ
た水等の滞留による耐食性の低下を防止する。
【構成】図１において、コネクタ１１のチューブ１２挿
入口の面取加工を廃止し、コネクタ上面にチューブ１２
挿入時のガイドとなる突起２０を設け、コネクタの面取
加工を廃止した。
【効果】コネクタ上面の突起により製作時に不都合を生
じさせることなく、面取り加工を廃止，水等の滞留を防
止し、耐食性を向上させる。
(57) [Abstract] [Purpose] In a refrigerant pipe joint of an air conditioner for an automobile without brazing, it does not cause a manufacturing problem and prevents deterioration of corrosion resistance due to retention of water or the like that has been present conventionally. [Structure] In FIG. 1, the chamfering process of the tube 12 insertion port of the connector 11 is eliminated, and the tube 12 is provided on the upper surface of the connector.
The projection 20 that serves as a guide during insertion is provided, and chamfering of the connector is eliminated. [Effect] The protrusion on the top surface of the connector does not cause any inconvenience during manufacturing, chamfering is abolished, water and the like are prevented from accumulating, and corrosion resistance is improved.
Description
【０００１】[0001]
【産業上の利用分野】本発明は、自動車用冷房装置の冷
媒配管継手金具に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerant pipe fitting for an automobile air conditioner.
【０００２】[0002]
【従来の技術】従来のこの種の接続金具は、図２に示す
ような構造であり、アルミ製のコネクタ１にアルミチュ
ーブ２を、Ａ部にて全周ロウ付にて、接合している。2. Description of the Related Art A conventional connecting fitting of this type has a structure as shown in FIG. 2, in which an aluminum connector 1 and an aluminum tube 2 are joined together at the portion A by brazing. .
【０００３】コネクタ１は、Ｏリング３を介して、コン
プレッサ、或いはリキッドタンク等にボルトにより、締
付けられ、気密を保持するようになっている。The connector 1 is tightened with a bolt to a compressor, a liquid tank or the like via an O-ring 3 so as to maintain airtightness.
【０００４】しかし、上記のような、いわゆるロウ付構
造では、コネクタ１の形状が複雑になりがちであり、材
料費，加工費が高くつき、また、ロウ付によるコスト高
も、無視できない短所であった。However, in the so-called brazing structure as described above, the shape of the connector 1 tends to be complicated, material cost and processing cost are high, and the high cost of brazing is not negligible. there were.
【０００５】このような点を改善したものが、実開昭59
−185486号に記載される。コネクタとチューブの全周接
合を必要としない、接続金具である。このタイプの接続
金具は、図３に示されるように、１１は、アルミ製のコ
ネクタであり、アルミ材より所定厚さに切断され形成さ
れる。このコネクタ１１には、アルミチューブ１２を挿
通する第１の貫通穴１１ａとボルト５を通す第２の貫通
穴１１ｂがあけられている。チューブ１２は、コネクタ
１１より突出している部分に、バルジ加工による環状の
突条部１２ａが形成され、シール部材、例えばＯリング
３等の保持部となる。What has been improved on these points is the actual development of Sho 59.
-185486. It is a connection fitting that does not require the entire circumference of the connector and tube to be joined. As shown in FIG. 3, this type of connecting fitting 11 is an aluminum connector, which is formed by cutting an aluminum material to a predetermined thickness. The connector 11 is provided with a first through hole 11a through which the aluminum tube 12 is inserted and a second through hole 11b through which the bolt 5 is inserted. The tube 12 has an annular protrusion 12a formed by bulging at a portion protruding from the connector 11 and serves as a holding member for a sealing member such as the O-ring 3.
【０００６】１３は、接続相手であり、コンプレッサ、
又は、リキッドタンク等であり、Ｏリング３の受面が加
工されている。[0006] 13 is a connection partner, a compressor,
Alternatively, it is a liquid tank or the like, and the receiving surface of the O-ring 3 is processed.
【０００７】コネクタ１１と、チューブ１２は、通常、
回り止めのため、部分的に溶接または、チューブ１２
を、コネクタ貫通部分で、円周方向に拡管加工を施して
いる。また、製作上、チューブのコネクタへの挿入を容
易にするため、通常、コネクタ上面には、面取り１４が
施されている。The connector 11 and the tube 12 are usually
Partially welded or tube 12 to prevent rotation
Is subjected to pipe expansion processing in the circumferential direction at the connector penetration portion. In addition, in order to facilitate the insertion of the tube into the connector in manufacturing, a chamfer 14 is usually provided on the upper surface of the connector.
【０００８】ところが、前述のように、この種のコネク
タは、コンプレッサ、あるいはリキッドタンクに接続さ
れるが、通常、接続口は車両において上方向を向いてお
り、上記面取部に水がたまりやすい。特にリキッドタン
クは、コンデンサ前面、即ち車両フロントグリルの直
後、エンジンルーム最前部に配置されることが多く、水
滴を受けやすく、また、寒冷地等では、冬期、路上に散
布される塩分が、上記面取部に堆積し、チューブ部分を
腐食させ、ついには、貫通孔により冷媒漏れを起こすと
いう不具合があった。However, as described above, this type of connector is connected to the compressor or the liquid tank, but the connection port is usually facing upward in the vehicle, and water is likely to accumulate in the chamfered portion. . In particular, the liquid tank is often placed in front of the condenser, that is, immediately after the vehicle front grill, in the foremost part of the engine room, so that it is susceptible to water droplets.In cold regions such as winter, the salt content sprinkled on the road is There is a problem in that it accumulates on the chamfered portion, corrodes the tube portion, and finally causes refrigerant leakage due to the through hole.
【０００９】[0009]
【発明が解決しようとする課題】前述のように従来技術
では、製作を容易にするためのコネクタ上端部の面取り
加工により、水分の滞留等が起き、ついには、腐食によ
る冷媒漏れを起こすという不具合があった。As described above, in the prior art, due to chamfering of the upper end portion of the connector for facilitating the manufacture, retention of water or the like occurs, and finally refrigerant leakage due to corrosion occurs. was there.
【００１０】本発明は、このコネクタ，チューブ間に水
等が滞留するのを防止することを目的としている。An object of the present invention is to prevent water and the like from accumulating between the connector and the tube.
【００１１】[0011]
【課題を解決するための手段】上記目的を達成するた
め、コネクタ上面，チューブ貫通穴先端部の面取部を廃
止し、代りにコネクタ上面に、制作時、チューブ挿入の
ガイドとなる突起を設けた。In order to achieve the above object, the chamfered portion on the upper surface of the connector and the tip of the tube through hole is eliminated, and instead a projection is provided on the upper surface of the connector that serves as a guide for tube insertion during production. It was
【００１２】[0012]
【作用】コネクタ上面に設けた突起は、継手製作時のチ
ューブ挿入のガイドの役目をし、これにより、コネク
タ，チューブ貫通穴上端部の面取り加工が不要となり、
従来この部分に発生した水等の滞留を防止でき、耐食性
の向上を図ることができる。[Function] The protrusion provided on the upper surface of the connector serves as a guide for inserting the tube when manufacturing the joint, which eliminates the need for chamfering the upper end of the connector and the tube through hole.
It is possible to prevent water or the like from accumulating in this portion conventionally, and to improve the corrosion resistance.
【００１３】[0013]
【実施例】以下、本発明の実施例を図１により説明す
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIG.
【００１４】図１において１１はアルミコネクタであ
り、アルミチューブ１２を挿通する貫通穴１１ａ及びボ
ルト５を通す貫通穴１１ｂが設けられている。In FIG. 1, reference numeral 11 denotes an aluminum connector provided with a through hole 11a through which the aluminum tube 12 is inserted and a through hole 11b through which the bolt 5 is inserted.
【００１５】アルミチューブ１２は、コネクタより突出
した部分でバルジ加工による、環状の突条部１２ａが形
成され、Ｏリング３等の保持部となる。The aluminum tube 12 has a ring-shaped protrusion 12a formed by bulging at the portion protruding from the connector and serves as a holding portion for the O-ring 3 and the like.
【００１６】１３は接続相手であり、コンプレッサ、又
はリキッドタンク等であり、Ｏリング３の受面が加工さ
れている。Reference numeral 13 is a connection partner, which is a compressor, a liquid tank, or the like, and the receiving surface of the O-ring 3 is processed.
【００１７】コネクタ１１とチューブ１２は、通常回り
止めのため、部分的に溶接又はチューブ１２に拡管加工
を施してあり、図１ではこの拡管加工を施した接続継手
を表している。この接続継手はボルト５により接続相手
１３に取付けられる。The connector 11 and the tube 12 are usually welded or pipe-expanded on the tube 12 in order to prevent rotation, and FIG. 1 shows a connection joint subjected to the pipe-expansion process. This connection joint is attached to the connection partner 13 by bolts 5.
【００１８】コネクタの上面には、パイプ貫通穴１１ａ
の軸方向に対し、コネクタ上面から先端に向かい広がる
方向に角度を持つ突起２０が設けられている。A pipe through hole 11a is formed on the upper surface of the connector.
With respect to the axial direction of the connector, a projection 20 having an angle in a direction that spreads from the upper surface of the connector toward the tip is provided.
【００１９】この突起２０は、コネクタ制作時パイプ挿
入のガイドとなるため、チューブ貫通孔１１ａの円周方
向に複数個、設置するのが普通であるが、特にその個
数，位置、あるいは貫通穴１１ａ軸方向に対し、コネク
タ上面から先端に向け、広がる方向に角度を持つこと以
外の形状については、規定する必要はない。Since the protrusions 20 serve as guides for inserting the pipes when the connector is manufactured, it is usual to install a plurality of protrusions 20 in the circumferential direction of the tube through hole 11a. With respect to the axial direction, it is not necessary to specify a shape other than having an angle in the spreading direction from the upper surface of the connector to the tip.
【００２０】[0020]
【発明の効果】本発明によれば、コネクタ上端部，チュ
ーブ挿入口端部に面取り加工を施す必要がないため、水
等が滞留するのを防止でき、耐食性が向上、また、コネ
クタ上面に設けた突気が製作時、パイプ挿入のガイドと
なるため、チューブ貫通穴上端部に面取り加工がないこ
とによる製作上の困難を生ずることもない。According to the present invention, since it is not necessary to chamfer the upper end portion of the connector and the end portion of the tube insertion port, water and the like can be prevented from staying, corrosion resistance can be improved, and the connector can be provided on the upper surface of the connector. Since the gushing air serves as a guide for inserting the pipe at the time of manufacturing, there is no difficulty in manufacturing due to the absence of chamfering at the upper end of the tube through hole.
【図１】本発明の実施例の断面図である。FIG. 1 is a sectional view of an embodiment of the present invention.
【図２】従来の自動車用冷房装置の冷媒配管継手を示す
図である。FIG. 2 is a view showing a refrigerant pipe joint of a conventional automobile air conditioner.
【図３】同じく冷媒配管継手を示す図である。FIG. 3 is a view showing a refrigerant pipe joint of the same.
１，１１…コネクタ、２，１２…チューブ、３…Ｏリン
グ、１２ａ…バルジ加工部、１３…接続相手、２０…突
起。1, 11 ... Connector, 2, 12 ... Tube, 3 ... O-ring, 12a ... Bulge processing part, 13 ... Connection partner, 20 ... Projection.
Claims (2)
第２の貫通穴を有するコネクタと、前記第１の貫通穴に
挿通され、かつ前記コネクタに対し回転しないように固
定されたチューブと、このチューブ先端円周部に突条部
と、この突条部に支持されるシール部材を持つ自動車用
冷房装置の冷媒配管継手において、前記コネクタ上面の
前記チューブ貫通穴円周方向に突起を設けたことを特徴
とする自動車用冷房装置の冷媒配管継手。1. A connector having a first through hole for a tube and a second through hole for a bolt, and a tube inserted through the first through hole and fixed so as not to rotate with respect to the connector. In the refrigerant pipe joint of the air conditioner for an automobile, which has a ridge on the circumference of the tube tip and a seal member supported by the ridge, a projection is formed in the tube through hole circumferential direction on the upper surface of the connector. A refrigerant pipe joint for an air conditioner for an automobile, which is provided.
方向に対し、コネクタ上面より突起先端に向かい広がる
方向に角度を持つことを特徴とする請求項１記載の自動
車用冷房装置の冷媒配管継手。2. The refrigerant pipe joint for an automobile air conditioner according to claim 1, wherein the projection on the upper surface of the connector has an angle with respect to the axial direction of the tube through hole so as to spread from the upper surface of the connector toward the tip of the projection. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3232962A JPH0569734A (en) | 1991-09-12 | 1991-09-12 | Refrigerant piping joint of cooler for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3232962A JPH0569734A (en) | 1991-09-12 | 1991-09-12 | Refrigerant piping joint of cooler for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0569734A true JPH0569734A (en) | 1993-03-23 |
Family
ID=16947605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3232962A Pending JPH0569734A (en) | 1991-09-12 | 1991-09-12 | Refrigerant piping joint of cooler for automobile |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0569734A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015020685A (en) * | 2013-07-23 | 2015-02-02 | 株式会社ヴァレオジャパン | Seal member and storage battery temperature regulation apparatus using seal member |
-
1991
- 1991-09-12 JP JP3232962A patent/JPH0569734A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015020685A (en) * | 2013-07-23 | 2015-02-02 | 株式会社ヴァレオジャパン | Seal member and storage battery temperature regulation apparatus using seal member |
| CN104347828A (en) * | 2013-07-23 | 2015-02-11 | 法雷奥日本株式会社 | Sealing member and storage battery temperature adjusting apparatus using the same |
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