JPH11325340A - Device for connecting flare joint with flareless joint - Google Patents
Device for connecting flare joint with flareless jointInfo
- Publication number
- JPH11325340A JPH11325340A JP12901198A JP12901198A JPH11325340A JP H11325340 A JPH11325340 A JP H11325340A JP 12901198 A JP12901198 A JP 12901198A JP 12901198 A JP12901198 A JP 12901198A JP H11325340 A JPH11325340 A JP H11325340A
- Authority
- JP
- Japan
- Prior art keywords
- joint
- flareless
- flare
- nut
- male
- 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
- Joints With Pressure Members (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、例えば、液体や
気体の高圧流体を流通する高圧配管用のフレア継手とフ
レアレス継手の接続装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flare joint and a flareless joint connecting device for a high-pressure pipe through which a high-pressure fluid such as liquid or gas flows.
【０００２】[0002]
【従来の技術】航空機用、工作機械用あるいは冷凍機用
の高圧配管の接続には、簡単な構造で、シール性の信頼
性の高いフレア形継手金具が使用されている。この継手
金具は、ナットを有する継手金具本体にフレア管と接合
するシート部を有する継手管部が一体に設けられ、この
継手管部にはおねじ部が形成されている。2. Description of the Related Art Flare type fittings having a simple structure and high sealing performance are used for connecting high-pressure pipes for aircraft, machine tools or refrigerators. In this joint fitting, a joint pipe portion having a sheet portion to be joined to a flare pipe is integrally provided on a joint fitting body having a nut, and a male thread portion is formed in the joint pipe portion.
【０００３】そして、フレア管のフレア部に直接または
スリーブを介して嵌合されたフレアナットを継手管部の
おねじ部に螺合して締め付けることにより、フレア部を
シート部に接合し、継手金具とフレア配管とを接続して
いる。[0003] A flare nut fitted to the flare portion of the flare tube directly or via a sleeve is screwed into the external thread portion of the joint tube portion and tightened, so that the flare portion is joined to the seat portion, and the joint portion is joined. The fitting and the flare piping are connected.
【０００４】また、フレアレス継手金具は、端部にテー
パ凹部を有する継手金具本体の外周面におねじ部が設け
られている。前記継手金具本体に接続する管体の端部に
はスリーブを介してナットが嵌合され、管体の端面を継
手金具本体のテーパ凹部に突き当て、ナットを継手金具
本体のおねじ部に螺合して締め付けることにより、スリ
ーブが管体に密着して継手金具本体と管体とが接続され
るようになっている。[0004] Further, the flareless joint fitting has a threaded portion on the outer peripheral surface of a joint fitting main body having a tapered recess at an end. A nut is fitted through a sleeve to the end of the pipe connected to the fitting metal body, the end face of the pipe is abutted against the tapered recess of the fitting metal body, and the nut is screwed into the external thread of the fitting metal body. By tightening together, the sleeve comes into close contact with the tubular body so that the joint fitting main body and the tubular body are connected.
【０００５】ところで、従来、図２に示すように、フレ
ア雌側継手１とフレアレス雄側継手２とを接続する必要
が生じたときは変換アダプタ３を用い、フレア雌側継手
１とフレアレス雄側継手２とを接続している。この変換
アダプタ３は、管状のアダプタ本体４の一端部にフレア
雌側継手１のテーパ凹部５に接合するテーパ凸部６及び
フレア雌側継手１のナット７と螺合するおねじ部８が設
けられている。Conventionally, as shown in FIG. 2, when it becomes necessary to connect the flared female joint 1 and the flaredless male joint 2, a conversion adapter 3 is used to connect the flared female joint 1 and the flaredless male joint. The joint 2 is connected. This conversion adapter 3 is provided at one end of a tubular adapter body 4 with a tapered projection 6 joined to the tapered recess 5 of the female female joint 1 and a male thread 8 screwed with a nut 7 of the female female joint 1. Have been.
【０００６】また、前記アダプタ本体４の他端部にはフ
レアレス雄側継手２のテーパ凹部９に接合する球面凸部
１０及びフレアレス雄側継手２のおねじ部１１に螺合す
るナット１２が設けられている。On the other end of the adapter body 4, a spherical convex portion 10 joined to the tapered concave portion 9 of the flareless male joint 2 and a nut 12 screwed to the external thread portion 11 of the flareless male joint 2 are provided. Have been.
【０００７】そして、変換アダプタ３のテーパ凸部６と
フレア雌側継手１のテーパ凹部５とを接合してナット７
を締め付け、球面凸部１０とフレアレス雄側継手２のテ
ーパ凹部９とを接合してナット１２を締め付けることに
より、変換アダプタ３を介してフレア雌側継手１とフレ
アレス雄側継手２とを接続している。Then, the tapered convex portion 6 of the conversion adapter 3 and the tapered concave portion 5 of the flare female side joint 1 are joined to form a nut 7
By connecting the spherical convex portion 10 and the tapered concave portion 9 of the flareless male joint 2 and tightening the nut 12, the flare female joint 1 and the flareless male joint 2 are connected via the conversion adapter 3. ing.
【０００８】[0008]
【発明が解決しようとする課題】しかしながら、従来の
変換アダプタ３は、大型、重量であり、その軸方向の長
さも長いことからスペースの狭い場所では接続できない
とともに、構造的に複雑で高価であるという問題があ
る。However, the conventional conversion adapter 3 is large and heavy, and cannot be connected in a narrow space because of its long axial length, and is structurally complicated and expensive. There is a problem.
【０００９】この発明は、前記事情に着目してなされた
もので、その目的とするところは、変換アダプタとして
の接続金具が小型、軽量であり、スペースの狭い場所で
も接続できる安価なフレア継手とフレアレス継手の接続
装置を提供することにある。SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances. It is an object of the present invention to provide an inexpensive flare joint in which a connection fitting as a conversion adapter is small and lightweight, and can be connected even in a narrow space. A connection device for a flareless joint.
【００１０】[0010]
【課題を解決するための手段】この発明は、前記目的を
達成するために、端部にテーパ凹部を有するフレア雌側
継手と、前記フレア雌側継手に回転自在に嵌合されたナ
ットと、端部にテーパ凹部を有するとともに、外周面に
前記ナットに螺合されるおねじ部を有するフレアレス雄
側継手と、一端部に前記フレア雌側継手のテーパ凹部に
接合されるテーパ凸部からなる第１のシート部を有し、
他端部に前記フレアレス雄側継手のテーパ凹部に接合さ
れる球面凸部からなる第２のシート部を有し、前記ナッ
トの内部に収納される接続金具とを具備したことを特徴
とするフレア継手とフレアレス継手の接続装置にある。According to the present invention, there is provided a flare female joint having a tapered recess at an end thereof, a nut rotatably fitted to the flare female joint, and A flareless male joint having a tapered recess at the end and having a male threaded portion screwed to the nut on the outer peripheral surface, and a tapered protrusion joined at one end to the tapered recess of the flare female joint. A first sheet portion,
A flare-less male joint having a second seat portion formed of a spherical convex portion joined to the tapered concave portion of the male joint at the other end, and a fitting fitting housed inside the nut. In the connection device between the joint and the flareless joint.
【００１１】前記構成によれば、接続金具の全体がフレ
ア雌側継手のナットの内部に収納されてシールされ、フ
レア雌側継手とフレアレス雄側継手とをナットによって
直接接続できる。According to the above configuration, the entire connection fitting is housed and sealed in the nut of the flare female side joint, and the flare female side joint and the flareless male side joint can be directly connected by the nut.
【００１２】[0012]
【発明の実施の形態】以下、この発明の実施の形態を図
面に基づいて説明する。図１はフレア継手とフレアレス
継手の接続装置の全体構成を示し、従来と同一構成部分
は同一番号を付して説明を省略する。図中２１は接続金
具であり、金属材料、例えば鉄、ステンレス、アルミニ
ウム、真鍮あるいは銅によって形成されている。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows the entire configuration of a connection device for a flare joint and a flareless joint. In the figure, reference numeral 21 denotes a connection fitting, which is formed of a metal material, for example, iron, stainless steel, aluminum, brass or copper.
【００１３】接続金具２１の一端部にはフレア雌側継手
１のテーパ凹部５に接合されるテーパ凸部からなる第１
のシート部２２が設けられている。また、他端部にはフ
レアレス雄側継手２のテーパ凹部９に接合される球面凸
部からなる第２のシート部２３が設けられている。さら
に、接続金具２１は全長が短く設定され、フレア雌側継
手１のナット７の内部に収納可能である。A first end of the connecting fitting 21 is formed of a first tapered convex portion joined to the tapered concave portion 5 of the flare female side joint 1.
Sheet portion 22 is provided. In addition, a second seat portion 23 including a spherical convex portion joined to the tapered concave portion 9 of the flareless male joint 2 is provided at the other end. Furthermore, the connection fitting 21 is set to have a short overall length, and can be housed inside the nut 7 of the flare female side joint 1.
【００１４】したがって、フレア雌側継手１とフレアレ
ス雄側継手２とを接続する際には、接続金具２１の第１
のシート部２２をフレア雌側継手１のテーパ凹部５に接
合する。次に、フレアレス雄側継手２のテーパ凹部９を
接続金具２１の第２のシート部２３に接合する。この状
態で、ナット７をフレアレス雄側継手２のおねじ部１１
に螺合してナット７を締め付けると、接続金具２１の第
１のシート部２２とフレア雌側継手１のテーパ凹部５と
が圧接し、フレアレス雄側継手２のテーパ凹部９と第２
のシート部２３とが圧接する。Therefore, when connecting the flare female joint 1 and the flareless male joint 2, the first fitting 21
Is joined to the tapered recess 5 of the female-flared joint 1. Next, the tapered recess 9 of the flareless male joint 2 is joined to the second seat portion 23 of the connection fitting 21. In this state, the nut 7 is connected to the male thread 11 of the flareless male joint 2.
And the nut 7 is tightened, the first sheet portion 22 of the connection fitting 21 and the tapered recess 5 of the female female joint 1 are pressed against each other, and the tapered recess 9 of the male female joint 2 without flare and the second
Is in pressure contact with the sheet portion 23.
【００１５】したがって、接続金具２１がナット７の内
部に全体が収納された状態で、接続金具２１が外部に露
出することはなく、フレア雌側継手１とフレアレス雄側
継手２とが接続された状態となる。Accordingly, in a state where the connecting fitting 21 is entirely housed in the nut 7, the connecting fitting 21 is not exposed to the outside, and the flared female joint 1 and the flaredless male joint 2 are connected. State.
【００１６】[0016]
【発明の効果】以上説明したように、この発明によれ
ば、変換アダプタとしての接続金具が小型、軽量であ
り、接続金具が外部に露出することはなく、フレア雌側
継手とフレアレス雄側継手とが接続された状態となり、
スペースの狭い場所でも接続できる安価なフレア継手と
フレアレス継手の接続装置を提供できる。As described above, according to the present invention, the connecting fitting as a conversion adapter is small and lightweight, the connecting fitting is not exposed to the outside, and the flared female joint and the flaredless male joint are not exposed. And are connected,
An inexpensive flare joint and flareless joint connection device that can be connected even in a small space can be provided.
【図１】この発明の第１の実施形態を示すフレア継手と
フレアレス継手の接続装置の縦断側面図。FIG. 1 is a longitudinal sectional side view of a connection device for a flare joint and a flareless joint according to a first embodiment of the present invention.
【図２】従来のフレア継手とフレアレス継手の接続装置
の縦断側面図。FIG. 2 is a longitudinal side view of a conventional flare joint and flareless joint connection device.
１…フレア雌側継手 ２…フレアレス雄側継手 ５、９…テーパ凹部 ７…ナット ２１…接続金具 ２２…第１のシート部 ２３…第２のシート部 DESCRIPTION OF SYMBOLS 1 ... Flare female side joint 2 ... Flareless male side joint 5, 9 ... Tapered recess 7 ... Nut 21 ... Connection fitting 22 ... 1st sheet part 23 ... 2nd sheet part
Claims (1)
手と、 前記フレア雌側継手に回転自在に嵌合されたナットと、 端部にテーパ凹部を有するとともに、外周面に前記ナッ
トに螺合されるおねじ部を有するフレアレス雄側継手
と、 一端部に前記フレア雌側継手のテーパ凹部に接合される
テーパ凸部からなる第１のシート部を有し、他端部に前
記フレアレス雄側継手のテーパ凹部に接合される球面凸
部からなる第２のシート部を有し、前記ナットの内部に
収納される接続金具と、 を具備したことを特徴とするフレア継手とフレアレス継
手の接続装置。A flared female joint having a tapered recess at an end; a nut rotatably fitted to the flared female joint; a tapered recess at an end; A flareless male joint having a male thread portion to be fitted, a first seat portion having a tapered convex portion joined to a tapered concave portion of the flare female joint at one end, and the flareless male at the other end. A connection fitting housed inside the nut, having a second sheet portion formed of a spherical projection joined to the tapered recess of the side joint, and a connection between the flare joint and the flareless joint. apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12901198A JPH11325340A (en) | 1998-05-12 | 1998-05-12 | Device for connecting flare joint with flareless joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12901198A JPH11325340A (en) | 1998-05-12 | 1998-05-12 | Device for connecting flare joint with flareless joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11325340A true JPH11325340A (en) | 1999-11-26 |
Family
ID=14998966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12901198A Pending JPH11325340A (en) | 1998-05-12 | 1998-05-12 | Device for connecting flare joint with flareless joint |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11325340A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7465018B2 (en) | 2003-01-13 | 2008-12-16 | Only The First Limited Technium Digital | Printing system |
| KR200472707Y1 (en) * | 2010-06-28 | 2014-05-15 | 현대중공업 주식회사 | Connection Jig for test Pump Pipe and Burner Boom Pipe, Connection Structure Using The Same |
| JP2018150973A (en) * | 2017-03-10 | 2018-09-27 | トヨタ自動車株式会社 | Pipe joint |
| CN110939806A (en) * | 2019-12-11 | 2020-03-31 | 徐州徐工液压件有限公司 | Low-temperature-resistant rubber combined joint |
-
1998
- 1998-05-12 JP JP12901198A patent/JPH11325340A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7465018B2 (en) | 2003-01-13 | 2008-12-16 | Only The First Limited Technium Digital | Printing system |
| KR200472707Y1 (en) * | 2010-06-28 | 2014-05-15 | 현대중공업 주식회사 | Connection Jig for test Pump Pipe and Burner Boom Pipe, Connection Structure Using The Same |
| JP2018150973A (en) * | 2017-03-10 | 2018-09-27 | トヨタ自動車株式会社 | Pipe joint |
| CN110939806A (en) * | 2019-12-11 | 2020-03-31 | 徐州徐工液压件有限公司 | Low-temperature-resistant rubber combined joint |
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