JPH1078177A - Connecting structure between joint and piping end part and connecting method thereof - Google Patents
Connecting structure between joint and piping end part and connecting method thereofInfo
- Publication number
- JPH1078177A JPH1078177A JP8248841A JP24884196A JPH1078177A JP H1078177 A JPH1078177 A JP H1078177A JP 8248841 A JP8248841 A JP 8248841A JP 24884196 A JP24884196 A JP 24884196A JP H1078177 A JPH1078177 A JP H1078177A
- Authority
- JP
- Japan
- Prior art keywords
- wall
- piping
- pipe
- guide chamber
- joint
- 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
Landscapes
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
- Branch Pipes, Bends, And The Like (AREA)
- Joints Allowing Movement (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、一般に自動車或い
は各種の機械、装置等に給油、給気の供給路として配設
される管径２０ｍ／ｍ程度以下の比較的細径からなる金
属配管の継手と該配管端部との接続構造およびその接続
方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a metal pipe having a relatively small diameter of about 20 m / m or less, which is generally provided as an oil supply / supply path for automobiles or various machines and devices. The present invention relates to a connection structure between a joint and an end of the pipe and a connection method thereof.
【０００２】[0002]
【従来の技術】従来、この種の接続構造およびその接続
方法としては、例えば図５に示すように、予め継手本体
（１１）のなす接続孔（１２）部を切削加工による単に
通常の貫通孔となして成形せめて該接続孔部とに配管
（Ｐ′）の端部を挿着した状態をもって、バーナー等に
よる手焙りによる加熱作業によりロー熔着（Ｗ）して接
続構成されていた。2. Description of the Related Art Conventionally, as a connection structure of this type and a connection method thereof, as shown in FIG. 5, for example, a connection hole (12) formed in a joint body (11) is simply cut through a normal through-hole by cutting. In a state in which the end of the pipe (P ') was inserted into the connection hole and the end was connected to the connection hole, the connection was made by low-welding (W) by a heating operation by hand-rolling using a burner or the like.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、このよ
うな従来の技術においては、前記加熱作業によるロー熔
着（Ｗ）により著しく生産性の低下を招くばかりでな
く、該熔着時の作業者の不慣れによる局部過熱によって
ロー熔着（Ｗ）附近に機械的強度の劣化を生ぜしめ、配
設状態での加振下等にあってしばしば配管（Ｐ′）側に
脆性による亀裂、折損を生ぜしめる問題を有し、また予
め鍍金等の防錆処理を施した継手および配管のそれぞれ
の使用を不可能となすため、ロー熔着（Ｗ）後の該処理
を余儀なくされることとなり、従ってすでに接続しかも
曲げ形状を有する配管（Ｐ′）の状態でのこれら製品の
取扱いによって、その処理を複雑となすと共に、概して
鍍金膜厚を不均一となす等の問題を有するものであっ
た。However, in such a conventional technique, the low welding (W) caused by the heating operation not only causes a remarkable reduction in productivity, but also causes the worker to have difficulty in welding. Local overheating due to unfamiliarity causes deterioration of mechanical strength in the vicinity of low welding (W), and often causes cracks and breakage due to brittleness on the pipe (P ') side under vibration and the like in the installed state. Since it has a problem and makes it impossible to use each of the joints and pipes which have been subjected to rust-prevention treatment such as plating, the treatment after low welding (W) must be performed, and therefore, the connection has already been made. Moreover, handling of these products in the state of a pipe (P ') having a bent shape complicates the processing and has a problem that the plating film thickness is generally non-uniform.
【０００４】本発明は従来技術の有する前記問題に鑑み
てなされたものであり、従来のような接続部での加熱ロ
ー熔着を一切不要となして単に押圧による配管側での前
記塑性変形によって簡易に接続することにより著しく生
産性を向上し、同時に接続部附近の機械的強度の影響を
なくして配管側での亀裂、折損の生ずる憂いをなくし、
また予め鍍金等の防錆処理を施したそれぞれの継手本体
および配管の使用を可能となして接続後の該処理を不要
となすことのできる継手と配管端部との接続構造および
その接続方法を提供することを目的とするものである。[0004] The present invention has been made in view of the above-mentioned problems of the prior art, and eliminates the need for the conventional heating low welding at the connection portion as in the prior art, and merely by the plastic deformation on the pipe side by pressing. Simple connection greatly improves productivity, and at the same time eliminates the influence of mechanical strength near the connection, eliminating concerns about cracks and breakage on the piping side,
In addition, a connection structure and a connection method between a joint and a pipe end which enable use of each joint body and piping which have been subjected to rust-prevention treatment such as plating so that the treatment after connection can be made unnecessary. It is intended to provide.
【０００５】[0005]
【課題を解決するための手段】本発明は上記目的を達成
するため、継手本体のなす接続孔部に配管端部を挿着、
固定してなる構造において、前記接続孔の内部を底部の
段付き環状ストッパー壁に連って後方に傾斜開口する誘
導室と、該誘導室の端部に内方への掛支壁とを形成した
該接続孔部にあって、前記ストッパー壁部に配管の先端
部を係圧した挿着状態をもって、該配管端部附近に形成
した塑性変形による前記誘導室に合致した外方への膨出
部をその首下部分を前記掛支壁部に係合して構成した継
手と配管端部との接続構造、および予め継手本体の接続
孔部に、底部に段付き環状ストッパー壁と、該ストッパ
ー壁に連って後方に傾斜開口する誘導室および該誘導室
の端部に内方への掛支壁とを形成せしめ、次いで少なく
とも継手本体もしくは配管側の一方を外部より軸方向に
相対的に押圧して該配管の先端部を前記誘導室のなす途
中の傾斜壁面に当接させ、しかる後に前記ストッパー壁
部と係圧せしめると共に、更に一層の押圧に伴って配管
端部附近での前記誘導室部に位置する部分を、塑性変形
による該誘導室に合致した外方への膨出部を形成してそ
の首下部分を前記掛支壁部に係合せしめてなる継手と配
管端部との接続方法をいずれも要旨とするものであり、
更に前記掛支壁の内周面にシールリング部材を設け、或
いは／及び前記誘導室と膨出部とのなす対接面間にシー
ル剤を塗布して設けて形成するものである。According to the present invention, in order to achieve the above object, a pipe end is inserted into a connection hole formed in a joint body.
In the fixed structure, an inside of the connection hole is connected to a stepped annular stopper wall at the bottom to form a guide chamber that is inclined and opened rearward, and an inward hanging wall is formed at an end of the guide chamber. In the connection hole portion, in the inserted state in which the distal end of the pipe is pressed against the stopper wall portion, bulging outward in conformity with the guide chamber due to plastic deformation formed near the pipe end. A connection structure between a joint and a pipe end formed by engaging a lower portion of the portion with the hanging wall portion, an annular stopper wall having a step at the bottom in a connection hole portion of the joint body in advance, and the stopper An inductive chamber that opens obliquely backward to the wall and an inward hanging wall at an end of the inductive chamber are formed, and then at least one of the joint body or the pipe side is axially relatively moved from the outside. And press the tip of the pipe against the inclined wall in the middle of the induction chamber. After that, the stopper wall is pressed against the stopper wall, and the portion located in the guide chamber near the pipe end with further pressing is moved outward by plastic deformation in accordance with the guide chamber. The gist is a connection method between a joint and a pipe end formed by forming a bulging portion and engaging a lower part of the neck with the hanging wall portion,
Further, a seal ring member is provided on the inner peripheral surface of the hanging wall, and / or a sealant is applied between contact surfaces formed by the guide chamber and the bulging portion.
【０００６】本発明は以上のような接続構造およびその
接続方法によって構成されているため、前記押圧に伴う
配管端部附近に形成される塑性変形による前記膨出部
と、該膨出部のなす首下部分での掛支壁部との係合によ
る接続により、接続部での加熱ロー熔着を一切不要とな
し、単に押圧によって簡易に接続せしめることができて
著しく生産性を向上すると共に、接続部附近の配管側の
機械的強度の影響をなくして加振下の配設状態にあって
も亀裂、折損の憂いがなく、またロー熔着の不要によっ
て予め鍍金等の防錆処理を施したそれぞれの継手本体お
よび配管の使用を可能となして接続後の該処理を不要と
なすことができることとなる。Since the present invention is constituted by the connection structure and the connection method as described above, the bulge formed by plastic deformation near the end of the pipe due to the pressing and the bulge formed by the plastic deformation The connection by engagement with the hanging wall portion at the lower part of the neck eliminates the need for any heating low welding at the connection part, it can be simply connected simply by pressing, and significantly improves productivity, Eliminates the effect of mechanical strength on the piping side near the connection and eliminates the possibility of cracks or breakage even in the installation state under vibration. The use of the respective joint bodies and pipes thus made possible makes the processing after connection unnecessary.
【０００７】[0007]
【発明の実施の形態】以下、本発明の実施例を図面に基
づいて説明すれば、図１は本発明の接続方法によって構
成された接続構造の一部切欠きによる縦断面図、図２は
他の実施例に係る同上図１相当図、図３は本発明の接続
方法の要部の一実施例に係る一部切欠きによる半截断面
の説明図、図４は本発明の接続方法の要部の他の実施例
に係る一部切欠きによる半截断面の説明図で、（ａ）は
誘導室に配管端部をセットした状態を示す図、（ｂ）は
図３又は図４（ａ）の外部からの押圧による初期状態を
示す図であって、（１）は継手本体であり、図１のよう
なアイジョイント或いは図２のようなフランジ・ジョイ
ント等からなるものであって、その接続孔（１′）の内
部を切削加工により底部に段付き環状ストッパー壁
（２）と、該ストッパー壁に連って後方に傾斜開口する
誘導室（３）並びに該誘導室の端部に内方への掛支壁
（４）とを形成してなるものである。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a longitudinal sectional view of a connection structure formed by the connection method of the present invention, which is partially cut away, and FIG. FIG. 3 is a view corresponding to FIG. 1 according to another embodiment, FIG. 3 is an explanatory view of a half cut section with a partial cutout according to an embodiment of a main part of the connection method of the present invention, and FIG. FIG. 4A is an explanatory view of a partially cut-away half-cross section according to another embodiment of the present invention, wherein FIG. 3A shows a state in which a pipe end is set in an induction chamber, and FIG. 3B or FIG. 3A and 3B are diagrams showing an initial state by pressing from the outside, wherein (1) is a joint body, which comprises an eye joint as shown in FIG. 1 or a flange joint as shown in FIG. An annular stopper wall (2) having a step at the bottom by cutting the inside of the hole (1 '); Induction chamber which is inclined rearwardly opening I with the wall (3) and those obtained by forming a hanging support wall (4) inwards on the end of the induction chamber.
【０００８】そして接続する配管（Ｐ）の接続端部附近
を予めチャック（Ｃ）によりセット（図３）して、継手
本体（１）側もしくは配管（Ｐ）側の少なくとも一方を
外部より矢印で示す通り軸方向に相対的に押圧して前記
配管（Ｐ）の接続端部を前記接続孔（１′）の誘導室
（３）のなす途中の傾斜壁面に当接させる状態をもっ
て、或いは前記配管（Ｐ）の接続端部を前記接続孔
（１′）の誘導室（３）のなす途中の傾斜壁面に当接さ
せて接続端部附近をチャック（Ｃ）によりセット（図４
（ａ）参照）した状態をもって、継手本体（１）側もし
くは配管（Ｐ）側の少なくとも一方を外部より矢印で示
す通り軸方向に相対的に押圧して該配管の先端部を前記
ストッパー壁（２）部に係圧（図４（ｂ）参照）せしめ
ると共に、更に一層の押圧に伴って配管（Ｐ）端部附近
の前記誘導室（３）に位置する部分に塑性変形による該
誘導室に合致する外方への膨出部（Ｐ′）を形成してそ
の首下部分を前記掛支壁（４）部に係合せしめて接続構
成するものである。The vicinity of the connection end of the pipe (P) to be connected is set in advance by a chuck (C) (FIG. 3), and at least one of the joint body (1) side and the pipe (P) side is indicated by an arrow from the outside. As shown, the pipe (P) is relatively pressed in the axial direction so that the connection end of the pipe (P) is brought into contact with the inclined wall surface of the connection hole (1 ') formed by the guide chamber (3), or The connection end of (P) is brought into contact with the inclined wall surface of the connection hole (1 ') formed by the guide chamber (3), and the vicinity of the connection end is set by the chuck (C) (FIG. 4).
(A), at least one of the joint body (1) side and the pipe (P) side is relatively pressed in the axial direction as indicated by an arrow from the outside, and the front end of the pipe is brought into contact with the stopper wall ( The portion 2) is pressed (see FIG. 4 (b)) and the portion located in the guide chamber (3) near the end of the pipe (P) is further deformed by the plastic deformation. A matching outwardly bulging portion (P ') is formed, and the lower part of the neck is engaged with the hanging wall (4) to form a connection.
【０００９】尚、所望に応じてシール機能を一層効果的
に発揮させるために前記掛支壁（４）の内周面に図２の
ようにシールリング部材（５）を設けたり、また前記誘
導室（３）と膨出部（Ｐ′）とのなす対接面間にシール
剤（５′）を塗布することができ、さらに両者を設ける
ことも可能である。In order to more effectively exert a sealing function as desired, a sealing ring member (5) is provided on the inner peripheral surface of the hanging wall (4) as shown in FIG. The sealant (5 ') can be applied between the contact surfaces between the chamber (3) and the bulging portion (P'), and both can be provided.
【００１０】[0010]
【発明の効果】以上説明したように本発明による継手と
配管端部との接続構造およびその接続方法は、前記接続
孔（１′）部をストッパー壁（２）と誘導室（３）並び
に掛支壁（４）とを形成して挿着した配管（Ｐ）をその
軸方向に相対的に押圧せしめて該配管の端部附近を塑性
変形による前記膨出壁（Ｐ′）をもって接続構成せしめ
てなるため、接続部でのロー熔着を一切不要となして単
に押圧によって簡易に接続することができ、従って生産
性を著しく向上すると共に同時に、接続部附近の配管
（Ｐ）側での機械的強度の影響をなくして加振下の配設
状態にあっても亀裂、折損の憂いがなく、また予め鍍金
等の防錆被膜処理を施したそれぞれの継手本体（１）お
よび配管（Ｐ）の使用を可能となして接続後の該処理を
不要となすことができる等、極めて有用な継手と配管端
部との接続構造およびその接続方法である。As described above, according to the connection structure and the connection method of the joint and the pipe end according to the present invention, the connection hole (1 ') is formed by the stopper wall (2), the guide chamber (3) and the hook. The pipe (P) formed and attached to the support wall (4) is pressed relatively in the axial direction thereof, and the vicinity of the end of the pipe is connected with the bulging wall (P ') by plastic deformation. Therefore, it is possible to simply connect by simply pressing without any need for low welding at the connection part, thus significantly improving the productivity and at the same time, the machine at the pipe (P) side near the connection part. The joint body (1) and the pipe (P), which are not subjected to cracks or breakage even in the arrangement state under vibration without any influence of the mechanical strength, and have been subjected to a rust-preventive coating treatment such as plating in advance. Can be used to eliminate the need for this processing after connection. That such a connection structure and connection method extremely useful fittings and piping end.
【図１】本発明の実施例に係る継手と配管端部との接続
方法によって構成された接続構造の一部切欠きによる縦
断面図である。FIG. 1 is a longitudinal sectional view of a connection structure formed by a method for connecting a joint and a pipe end according to an embodiment of the present invention, which is partially cut away.
【図２】他の実施例に係る同上図１相当図である。FIG. 2 is a diagram corresponding to FIG. 1 according to another embodiment.
【図３】本発明の接続方法の要部の一実施例に係る一部
切欠きによる半截断面の説明図である。FIG. 3 is an explanatory view of a partially cut-out half-cut section according to an embodiment of a main part of the connection method of the present invention.
【図４】本発明の接続方法の要部の他の実施例に係る一
部切欠きによる半截断面の説明図で、（ａ）は誘導室に
配管端部をセットした状態を示す図、（ｂ）は図３又は
図４（ａ）の外部からの押圧による初期状態を示す図で
ある。FIGS. 4A and 4B are explanatory views of a partially cut-out half-cut section according to another embodiment of a main part of the connection method of the present invention, and FIG. 4A is a diagram showing a state where a pipe end is set in an induction chamber; FIG. 4B is a diagram showing an initial state of FIG. 3 or FIG.
【図５】従来例を示す接続方法によって構成された接続
構造の一部切欠きによる縦断面図である。FIG. 5 is a longitudinal sectional view of a connection structure formed by a connection method showing a conventional example, which is partially cut away.
１ 継手本体 １′ 接続孔 ２ ストッパー壁 ３ 誘導室 ４ 掛支壁 ５ シールリング部材 ５′ シール剤 Ｐ 配管 Ｐ′ 膨出部 Ｃ チャック DESCRIPTION OF SYMBOLS 1 Joint main body 1 'Connection hole 2 Stopper wall 3 Guide room 4 Hanging wall 5 Seal ring member 5' Sealant P Piping P 'Swelling part C chuck
Claims (3)
着、固定してなる構造において、前記接続孔（１′）の
内部を底部の段付き環状ストッパー壁（２）に連って後
方に傾斜開口する誘導室（３）と、該誘導室の端部に内
方への掛支壁（４）とを形成した該接続孔部にあって、
前記ストッパー壁（２）部に配管（Ｐ）の先端部を係圧
した挿着状態をもって、該配管端部附近に形成した塑性
変形による前記誘導室（３）に合致した外方への膨出部
（Ｐ′）をその首下部分を前記掛支壁（４）部に係合し
て構成したことを特徴とする継手と配管端部との接続構
造。In a structure in which a pipe end is inserted into and fixed to a connection hole formed by a joint body, the inside of the connection hole (1 ') is connected to a stepped annular stopper wall (2) at the bottom. A guide chamber (3) that is inclined and opened rearward, and an inward hanging wall (4) formed at an end of the guide chamber.
When the distal end of the pipe (P) is pressed against the stopper wall (2), an outward swell corresponding to the guide chamber (3) due to plastic deformation formed near the end of the pipe. A connection structure between a joint and a pipe end, characterized in that a portion (P ') is constituted by engaging a lower portion of the neck thereof with the hanging wall (4).
グ部材（５）を設け、或いは／及び前記誘導室（３）と
膨出部（Ｐ′）とのなす対接面間にシール剤（５′）を
塗布して設けて形成したことを特徴とする請求項１記載
の継手と配管端部との接続構造。2. A seal ring member (5) is provided on the inner peripheral surface of the hanging wall (4), and / or between a contact surface formed between the guide chamber (3) and the bulging portion (P '). 2. A connection structure between a joint and a pipe end according to claim 1, wherein the joint is formed by applying a sealant (5 ') to the joint.
段付き環状ストッパー壁と、該ストッパー壁に連って後
方に傾斜開口する誘導室および該誘導室の端部に内方へ
の掛支壁とを成形せしめ、次いで少なくとも継手本体側
もしくは配管側の一方を外部より軸方向に相対的に押圧
して該配管の先端部を前記誘導室のなす途中の傾斜壁面
に当接させ、しかる後に前記ストッパー壁部に係圧せし
めると共に、更に一層の押圧に伴って配管端部附近での
前記誘導室部に位置する部分を、塑性変形による該誘導
室に合致した外方への膨出部を成形してその首下部分を
前記掛支壁部に係合せしめてなることを特徴とする継手
と配管端部との接続方法。3. A connecting hole formed in the joint body in advance, an annular stopper wall with a step at the bottom, an induction chamber which is inclined and opened rearwardly in connection with the stopper wall, and an inward end formed at an end of the induction chamber. The support wall is formed, and then at least one of the joint body side and the pipe side is relatively pressed in the axial direction from the outside so that the front end of the pipe is brought into contact with the inclined wall in the middle of the guide chamber, Thereafter, the stopper wall portion is pressed against the stopper wall portion, and the portion located in the guide chamber portion near the pipe end is further bulged outward in accordance with the guide chamber due to plastic deformation with further pressing. A method of connecting a joint and a pipe end, wherein a part is formed and a lower part of the neck is engaged with the hanging wall part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24884196A JP3767950B2 (en) | 1996-08-30 | 1996-08-30 | Connection structure between joint and pipe end and its connection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24884196A JP3767950B2 (en) | 1996-08-30 | 1996-08-30 | Connection structure between joint and pipe end and its connection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1078177A true JPH1078177A (en) | 1998-03-24 |
| JP3767950B2 JP3767950B2 (en) | 2006-04-19 |
Family
ID=17184223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24884196A Expired - Fee Related JP3767950B2 (en) | 1996-08-30 | 1996-08-30 | Connection structure between joint and pipe end and its connection method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3767950B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101647929B1 (en) * | 2015-11-27 | 2016-08-11 | 김윤수 | Apparatus for manufacturing pipe connector |
| CN106286510A (en) * | 2016-08-26 | 2017-01-04 | 宁波东电电力设备制造有限公司 | A kind of union joint |
-
1996
- 1996-08-30 JP JP24884196A patent/JP3767950B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101647929B1 (en) * | 2015-11-27 | 2016-08-11 | 김윤수 | Apparatus for manufacturing pipe connector |
| CN106286510A (en) * | 2016-08-26 | 2017-01-04 | 宁波东电电力设备制造有限公司 | A kind of union joint |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3767950B2 (en) | 2006-04-19 |
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