JPH10311463A - Connecting device of pipe and joint - Google Patents
Connecting device of pipe and jointInfo
- Publication number
- JPH10311463A JPH10311463A JP13577897A JP13577897A JPH10311463A JP H10311463 A JPH10311463 A JP H10311463A JP 13577897 A JP13577897 A JP 13577897A JP 13577897 A JP13577897 A JP 13577897A JP H10311463 A JPH10311463 A JP H10311463A
- Authority
- JP
- Japan
- Prior art keywords
- joint
- pipe
- mandrel
- connecting part
- hollow
- 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
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明はパイプと継手との
非分離型の接続装置に関し、特にパイプに対する継手の
取付をカシメ手段によって行ない、しかもこのカシメ手
段をマンドレルとこの杆を進退出させる油圧ポンプで行
うようにしたパイプと継手との接続装置に係る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a non-separable connection device between a pipe and a joint, and more particularly to a hydraulic pump for mounting a joint to a pipe by a caulking means and for moving the mandrel and the rod forward and backward by the caulking means. The present invention relates to a device for connecting a pipe and a joint, which is performed in the above.
【０００２】[0002]
【従来の技術】従来の非分離型のパイプと継手との接続
手段としては溶接とかあるいはパイプ表面に凸凹部を作
り、この凸凹部に継手の筒部の凹凸部を強制嵌着させる
とか、あるいは菊座型係止爪を介在させてパイプと継手
とを結合していた。2. Description of the Related Art Conventional means for connecting a non-separable type pipe and a joint include welding or forming a concave / convex portion on the pipe surface and forcibly fitting the concave / convex portion of the tubular portion of the joint to the concave / convex portion. The pipe and the joint were connected with a Kikuza-shaped locking claw interposed.
【０００３】[0003]
【発明が解決しようとする課題】この発明はパイプと継
手に対して材質の変化を生じさせることなく、しかもパ
イプの寸法と継手と口金の寸法を適正に選定することで
加工上の困難性を必要とせず均一な接続を行うことがで
きる反ぷく使用できるホースおよびパイプと継手との接
続装置を提供しようとするものである。またこの発明は
パイプと継手の接続手段については特願平８−２０４１
２８号で技術開示しているが、この開示技術で示されて
いる接続装置の改良に係るものである。SUMMARY OF THE INVENTION The present invention eliminates the difficulties in machining by making the pipe and the joint have the same material without changing the dimensions of the pipe and the joint and the base. An object of the present invention is to provide a hose and a connecting device for connecting a pipe and a joint which can be used uniformly and can be used without any need. Also, in the present invention, the connecting means of the pipe and the joint is disclosed in Japanese Patent Application No. 8-2041.
Although the technology is disclosed in Japanese Patent No. 28, the present invention relates to an improvement of the connection device shown in the disclosed technology.
【０００４】[0004]
【課題を解決するための手段】この発明に係るパイプと
継手との接続装置を図１により説明すれば次のとおりで
ある。接続装置は拡張用マンドレル１と昇降用機構２と
で構成されている。The connecting device for connecting a pipe and a joint according to the present invention will be described below with reference to FIG. The connecting device includes an extension mandrel 1 and a lifting mechanism 2.
【０００５】マンドレルは杆１１の一端にねじ部１２を
他端に拡張部１３を形成した構成とされており、ねじ１
２は油圧機構のピストン２１にマンドレル１を取付ける
ために機能するものであり、拡張部１３は杆径よりも大
径の所望径ｄを備えている。昇降用油圧機構２は自由端
にねじ部２２を備えたピストン２１とシリンダ部２３と
で形成されており、ピストン２１の進退出は油圧ポンプ
用ホース２４を介して行なわれる。またピストン２１は
所望長さｌのストロークを有している。The mandrel has a configuration in which a screw portion 12 is formed at one end of a rod 11 and an extension portion 13 is formed at the other end.
Reference numeral 2 functions to attach the mandrel 1 to the piston 21 of the hydraulic mechanism, and the extension portion 13 has a desired diameter d larger than the rod diameter. The lifting hydraulic mechanism 2 is formed by a piston 21 having a screw portion 22 at a free end and a cylinder portion 23, and the piston 21 advances and retreats through a hydraulic pump hose 24. The piston 21 has a stroke of a desired length l.
【０００６】[0006]
【発明の実施の形態】この発明に係る接続装置に適用す
るパイプと継手について図２を参照にして説明すれば次
のとおりである。図２に示すように継手３は中空の本体
部３１とソケット部３２とで形成されており、本体部３
１に対してソケット部３２は本体部のナット３８に先端
を当接させるようにしてそれぞれのねじ部３６によって
固定されている。また本体部３１のパイプ接続側には内
径と外径との大きさがそれぞれｄ１，Ｄ１であるような
接続部３３が形成されており、この接続部の外面にねじ
部（突部）３９が形成されている。また継手部３４の内
径はＤとして形成されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS A pipe and a joint applied to a connecting device according to the present invention will be described below with reference to FIG. As shown in FIG. 2, the joint 3 is formed of a hollow main body portion 31 and a socket portion 32.
The socket 32 is fixed to each of the nuts 38 by the respective threaded portions 36 such that the distal end thereof abuts against a nut 38 of the main body. On the pipe connecting side of the main body 31, a connecting portion 33 having an inner diameter and an outer diameter of d1 and D1, respectively, is formed, and a screw portion (projection) 39 is provided on an outer surface of the connecting portion. Is formed. The inner diameter of the joint 34 is formed as D.
【０００７】また本体部３１の自由端側にはねじ部３７
が形成されているが、このねじ部は他の接続体に対して
結合機能を生ずるものである。パイプＰは鎖線図で示す
ように、先端部をソケット部のスカート部３５と接続部
３３との間に形成される空隙部に遊嵌状に維持され、し
かもソケット部に対してはほぼ秘嵌状に、接続部３３の
外表面のねじ部に対しては小間隙Ｃがあるように嵌着さ
れている。また、前記した各部材の固有径は；Ｄ２＞Ｄ
１≒Ｄ＞ｄ１として形成されている。On the free end side of the main body 31, a screw 37 is provided.
Is formed, but this screw portion has a coupling function with respect to another connection body. As shown in the chain line diagram, the pipe P has its distal end loosely fitted in a gap formed between the skirt portion 35 and the connecting portion 33 of the socket portion, and is almost completely inserted into the socket portion. Similarly, the screw portion on the outer surface of the connection portion 33 is fitted so as to have a small gap C. In addition, the specific diameter of each member described above is: D2> D
1 ≒ D> d1.
【０００８】[0008]
【実施例】この発明の実施例を図３および図４により説
明すれば次のとおりである。図３は図２に示す継手３と
パイプＰとを接続するための加工工程の最初の段階を示
したもので、第１工程として継手３の本体部３１の中空
内に図１で示したピストン２１に端部を連結したマンド
レル１を挿通する。この場合、継手３はシリンダ２３に
端部を当接したスペーサー４の他の面に本体３１のナッ
ト３８を当接するように維持される。この段階ではマン
ドレルの先端の拡張部１３は本体部の大径部内に位置す
るように形成されている。第２工程として接続部３３と
スカート部３５間の空隙部にパイプＰの先端Ｐ’を嵌入
させる。前記した加工工程が終了した段階で油圧ポンプ
を介してピストン２１を矢印方向に進出させる。進出後
の工程が図４に示される。FIG. 3 and FIG. 4 show the embodiment of the present invention. FIG. 3 shows the first stage of a processing step for connecting the joint 3 and the pipe P shown in FIG. 2, and the piston shown in FIG. The mandrel 1 whose end is connected to 21 is inserted. In this case, the joint 3 is maintained such that the nut 38 of the main body 31 is in contact with the other surface of the spacer 4 whose end is in contact with the cylinder 23. At this stage, the extended portion 13 at the tip of the mandrel is formed so as to be located within the large diameter portion of the main body. As a second step, the tip P ′ of the pipe P is fitted into a gap between the connecting portion 33 and the skirt portion 35. At the stage where the above-described processing step is completed, the piston 21 is advanced in the direction of the arrow via the hydraulic pump. The step after the advance is shown in FIG.
【０００９】図４は加工工程の最終段階を示したもの
で、第３工程としてピストン２１が矢印方向に進出する
ことでマンドレル１の拡張部１３（径ｄ）は接続部３３
の中空部内（径ｄ1 ）を貫通し、パイプＰ内に位置する
ように形成されている。マンドレル１の拡張部１３が接
続部３３の中空部を貫通する際、前記中空部は拡張部１
３（ｄ＞ｄ1 ）によって強制的に拡開されこのため接続
部の外表面に形成したねじ部３４はパイプの先端Ｐ’の
内壁に圧入され、パイプ先端Ｐ’と継手３の接続部３３
とは接続部３３とスカート部３５間で一体的に固定され
る。図５はパイプＰと継手３との接続状態を示したもの
で、パイプ先端Ｐ’の内周面には接続部３３がねじ部３
９を介して一体的に固定されている。FIG. 4 shows the final stage of the processing step. As the third step, the expansion portion 13 (diameter d) of the mandrel 1 is connected to the connection portion 33 when the piston 21 advances in the direction of the arrow.
Is formed so as to penetrate the inside of the hollow portion (diameter d 1 ) and to be located in the pipe P. When the extension 13 of the mandrel 1 penetrates through the hollow of the connecting portion 33, the hollow
3 (d> d 1 ), the screw portion 34 formed on the outer surface of the connecting portion is pressed into the inner wall of the distal end P ′ of the pipe, and the connecting portion 33 between the pipe distal end P ′ and the joint 3 is formed.
Is fixed integrally between the connecting portion 33 and the skirt portion 35. FIG. 5 shows a connection state between the pipe P and the joint 3, and a connection portion 33 is provided on the inner peripheral surface of the pipe tip P ′ with a screw portion 3.
9 are integrally fixed.
【００１０】この発明は上記実施例に限定されるもので
なく、ピストンの進退出手段あるいはマンドレルの形状
等は任意に設計できるものであり、また継手の形状、例
えば継手部の形状大きさおよびソケット部の形状大きさ
特に接続部のねじ部の形状を突起状にするか平坦面にす
るとかの変更は任意に行なえるものである。The present invention is not limited to the above-described embodiment, and the piston advance / retreat means or the shape of the mandrel can be arbitrarily designed, and the shape of the joint, for example, the shape and size of the joint and the socket It is possible to arbitrarily change the shape and size of the portion, particularly, the shape of the screw portion of the connection portion to be a projection or a flat surface.
【００１１】[0011]
【発明の効果】この発明は拡張部を備えた着脱自在なマ
ンドレルとこのマンドレルの端部を結合して進退出する
昇降機構とでパイプと継手との接続装置を構成したの
で、規定のパイプとこれに対する規定の継手を接続する
場合に均一製品を簡単に製造することができる。According to the present invention, a connecting device for connecting a pipe to a joint is constituted by a detachable mandrel having an extension and an elevating mechanism for connecting and closing the end of the mandrel to move forward and backward. A uniform product can be easily manufactured when connecting a prescribed joint for this.
【図１】この発明の接続装置の説明図である。FIG. 1 is an explanatory diagram of a connection device of the present invention.
【図２】この発明の接続装置に適用する継手とパイプと
の説明図である。FIG. 2 is an explanatory diagram of a joint and a pipe applied to the connection device of the present invention.
【図３】接続装置の実施例図である。FIG. 3 is an embodiment diagram of a connection device.
【図４】接続装置の実施例の作用説明図である。FIG. 4 is a diagram illustrating the operation of the embodiment of the connection device.
【図５】パイプと継手との接続状態を示す説明図であ
る。FIG. 5 is an explanatory diagram showing a connection state between a pipe and a joint.
１ マンドレル ２ 油圧機構 ３ 継手 １３ 拡張部 ２１ ピストン ２３ シリンダ ３１ 本体部 ３２ ソケット部 ３３ 接続部 ３４ 継手部 ３５ スカート部 ３９ ねじ部 Ｄ 継手部の内径 Ｄ１ 接続部の外径 Ｄ２ パイプの内径 ｄ 拡張部の外径 ｄ１ 接続部の内径 Ｐ パイプ Ｐ’ パイプ先端部 DESCRIPTION OF SYMBOLS 1 Mandrel 2 Hydraulic mechanism 3 Joint 13 Expansion part 21 Piston 23 Cylinder 31 Body part 32 Socket part 33 Connection part 34 Joint part 35 Skirt part 39 Thread part D Inner diameter of joint part D1 Outer diameter of connection part D2 Inner diameter of pipe d Expansion part Outer diameter of d1 Inner diameter of connection part P Pipe P 'Pipe tip
Claims (3)
油圧機構と前記ピストンに着脱自在に連結するマンドレ
ルよりなり、しかも前記マンドレルの端部に継手の接続
部の内径よりも大きい外径をもつ拡張部を形成したこと
を特徴とするパイプと継手との接続装置。1. An elevating hydraulic mechanism for moving a piston forward and backward by a predetermined length, and a mandrel detachably connected to the piston, and an end of the mandrel having an outer diameter larger than the inner diameter of a joint of a joint. A connection device between a pipe and a joint, wherein an extension portion is formed.
ケット部で形成し、しかも本体部を継手部と接続部とで
形成し、その上接続部の内径をマンドレルの拡張部の外
径より小さく形成したことを特徴とする継手。2. The joint according to claim 1, wherein the joint is formed by a hollow main body and a socket, and the main body is formed by a joint and a connecting part, and the inner diameter of the upper connecting part is outside the extended part of the mandrel. A joint characterized by being formed smaller than the diameter.
カート部間にパイプ先端を位置させ、この中空部内を拡
張部を有するマンドレルを進出させることでパイプ先端
と継手とを固着するようにしたことを特徴とする接続装
置。3. A pipe tip is positioned between the skirt part of the connection part and the socket part according to claim 2, and a mandrel having an expansion part is advanced into the hollow part so that the pipe tip is fixed to the joint. A connection device, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13577897A JPH10311463A (en) | 1997-05-12 | 1997-05-12 | Connecting device of pipe and joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13577897A JPH10311463A (en) | 1997-05-12 | 1997-05-12 | Connecting device of pipe and joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10311463A true JPH10311463A (en) | 1998-11-24 |
Family
ID=15159645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13577897A Pending JPH10311463A (en) | 1997-05-12 | 1997-05-12 | Connecting device of pipe and joint |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10311463A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010035255A1 (en) * | 2010-08-24 | 2012-03-01 | Witzenmann Gmbh | Connecting part, connection and hose line and method for their preparation, in particular for gas installations |
| CN108443620A (en) * | 2018-03-15 | 2018-08-24 | 邯郸市康迈液压器材有限公司 | Hose collapses cold connection equipment with rubber hose assembly one-part form |
| JP2019078402A (en) * | 2017-10-23 | 2019-05-23 | 株式会社清水合金製作所 | Resin pipe flexible unit, joint structure, valve and flexible soft seal gate valve |
-
1997
- 1997-05-12 JP JP13577897A patent/JPH10311463A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010035255A1 (en) * | 2010-08-24 | 2012-03-01 | Witzenmann Gmbh | Connecting part, connection and hose line and method for their preparation, in particular for gas installations |
| JP2019078402A (en) * | 2017-10-23 | 2019-05-23 | 株式会社清水合金製作所 | Resin pipe flexible unit, joint structure, valve and flexible soft seal gate valve |
| CN108443620A (en) * | 2018-03-15 | 2018-08-24 | 邯郸市康迈液压器材有限公司 | Hose collapses cold connection equipment with rubber hose assembly one-part form |
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