JPH09178074A - Connection element - Google Patents

Connection element

Info

Publication number
JPH09178074A
JPH09178074A JP8324098A JP32409896A JPH09178074A JP H09178074 A JPH09178074 A JP H09178074A JP 8324098 A JP8324098 A JP 8324098A JP 32409896 A JP32409896 A JP 32409896A JP H09178074 A JPH09178074 A JP H09178074A
Authority
JP
Japan
Prior art keywords
overlay
tubular
connection element
annular groove
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.)
Pending
Application number
JP8324098A
Other languages
Japanese (ja)
Inventor
Friedhelm Keller
ケラー フリードヘルム
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GEORG FISCHER ROORURAITSUNGUSUSHISUTEME AG
Georg Fischer Rohrleitungssysteme AG
Original Assignee
GEORG FISCHER ROORURAITSUNGUSUSHISUTEME AG
Georg Fischer Rohrleitungssysteme AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by GEORG FISCHER ROORURAITSUNGUSUSHISUTEME AG, Georg Fischer Rohrleitungssysteme AG filed Critical GEORG FISCHER ROORURAITSUNGUSUSHISUTEME AG
Publication of JPH09178074A publication Critical patent/JPH09178074A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/20—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics based principally on specific properties of plastics
    • F16L47/24—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics based principally on specific properties of plastics for joints between metal and plastics pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L27/00—Adjustable joints, Joints allowing movement
    • F16L27/08—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Valve Housings (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a connection element which can be manufactured at low cost and insures the sealing property of a connection part even after electric welding. SOLUTION: This element is provided with a closing part 16 and a connecting part 18 constituted of metal, and it is constituted so that a tubular mat 26 formed out of thermoplastic synthetic material is inserted into a connecting part 18, and the mat 26 is clamped with the connecting part 18, so that the mat 26 is inserted into the connecting part corresponding to a piping part formed out of thermoplastic synthetic material. By forming an annular groove 24 on the closing part 16, a side 22 with a flange is provided, the one end part of the tubular mat 26 is inserted in the annular groove 24 so as to hold it by clamping.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【発明の属する技術分野】本発明は、金属で構成した閉
鎖部分及び接合部分を有し、熱可塑性合成材料で形成し
た管状の上敷きを前記接合部分に挿入し、この上敷きを
熱可塑性合成材料で形成した配管部分の対応の接合部分
に差し込むようにし、前記上敷きを前記接合部分にクラ
ンプした接続素子に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tubular overlay which is made of a thermoplastic synthetic material and which has a closing portion and a joining portion made of metal and which is inserted into the joining portion, and which is made of a thermoplastic synthetic material. The present invention relates to a connecting element in which the overlay is clamped at the joint portion so as to be inserted into the corresponding joint portion of the formed pipe portion.

【０００２】[0002]

【従来の技術】配管は、分岐管を設置したり、遮断空気
バッグに取り付けたり、又は測定ゾンデに取り付けたり
するためタップを形成する。作業を完了した後、管路の
開口を閉鎖しなければならない。例えば、分岐管の設置
に使用するタップ端子には閉鎖キャップを装備する。2. Description of the Prior Art Piping forms taps for installing branch pipes, for mounting on a shut-off air bag, or for mounting on a measuring probe. After the work is completed, the pipeline opening must be closed. For example, a tap terminal used to install a branch pipe is equipped with a closing cap.

【０００３】[0003]

【発明が解決しようとする課題】上述の技術の接続素子
例えば、管継手はヨーロッパ特許第５６１７３３号に記
載されている。この既知の管継手の構成は、接合部分に
管状の上敷きを固定リングによってクランプ固定する。
しかし、この３部分構成の管継手の製造方法は費用がか
かる欠点がある。固定リングの領域のシール部分は電気
溶接によって高温になり、従って、固定部分の完全密封
性を保証することができなくなる。A connecting element of the above-mentioned art, for example a pipe joint, is described in EP 561733. This known pipe joint arrangement clamps a tubular overlay on the joint with a retaining ring.
However, this method of manufacturing a three-part pipe joint has the drawback of being expensive. Due to the electric welding, the sealing part in the region of the fixing ring is heated to a high temperature, so that it is not possible to guarantee a perfect seal of the fixing part.

【０００４】従って発明の目的は、低コストで製造する
ことができ、電気溶接の後でも接合部の密封性を保証す
ることができる上述のタイプの接続素子を得るにある。The object of the invention is therefore to obtain a connecting element of the above-mentioned type which can be manufactured at low cost and ensures a tightness of the joint even after electric welding.

【０００５】この目的を達成するため、本発明接続素子
は、前記閉鎖部分に環状溝を形成することによってフラ
ンジ付き側面を設け、管状の上敷きの一方の端部をを前
記環状溝に差し込んでクランプ保持したことを特徴とす
る。In order to achieve this object, the connection element of the present invention is provided with a flanged side surface by forming an annular groove in the closed portion, and one end of a tubular overlay is inserted into the annular groove to be clamped. Characterized by holding.

【０００６】本発明のこの構成によれば、上敷きに圧着
したフランジ付き側面は、液状媒体又はガス状媒体又は
場合によっては圧力の下で静止している媒体に対して接
合部の完全密封を生ずる。In accordance with this aspect of the invention, the flanged sides crimped to the overlay provide a complete seal of the joint against liquid or gaseous media or media that may be stationary under pressure. .

【０００７】好適な実施例においては、接合部分の凹所
に管状の上敷きを配置し、この上敷きの環状溝側とは反
対側の止め面に密着させる。In the preferred embodiment, a tubular overlay is placed in the recess of the joint and is brought into close contact with the stop surface of the overlay opposite the annular groove side.

【０００８】前記接続素子は、真鍮、鋼、又は特殊鋼に
より形成する。管状上敷きの材料は配管部分例えば、収
容部分の材料に適合させる。材料としてはポリオレフィ
ン例えば、ポリエチレンとするとよい。The connecting element is made of brass, steel or special steel. The material of the tubular overlay is adapted to the material of the piping section, for example the receiving section. The material may be polyolefin such as polyethylene.

【０００９】好適な製造方法によって、例えば、旋盤加
工により接続素子を作成し、管状部分としての管状上敷
きを接合部分及び溝内に差し込む。接続素子のシリンダ
状部分の先端の周囲に合成材料を設けることもできる。
その後、フランジ付き側面を既知のように上敷きに対し
て圧着させる。A connecting element is produced by a suitable manufacturing method, for example, by lathing, and a tubular overlay as a tubular portion is inserted into the joint portion and the groove. It is also possible to provide a synthetic material around the tip of the cylindrical part of the connecting element.
The flanged side is then crimped against the overlay as is known.

【００１０】前記管状の上敷きを前記フランジ付き側面
の圧縮の後に所要の外径になるよう回転切削することが
でき、又は管状の上敷きをダイカストにより精密な寸法
に形成することができる。The tubular overlay may be rotationally cut to the required outside diameter after compression of the flanged sides, or the tubular overlay may be formed to precise dimensions by die casting.

【００１１】接続素子は、種々の配管部分に差し込むこ
とができる。例えばタップの出口、又は遮断空気バッグ
の固定金具、又はＴ継手、又はスリーブ開口に直接差し
込むことができる。接続素子の配管部分との確実な結合
は、接着又は溶接スリーブによる溶接によって行うこと
ができる。The connecting element can be plugged into various pipe parts. For example, it can be plugged directly into the outlet of the tap, or the fastener of the barrier air bag, or the T-joint, or sleeve opening. The positive connection of the connecting element with the pipe section can be achieved by gluing or welding with a welding sleeve.

【００１２】[0012]

【発明の実施の形態】次に、図面につき本発明の好適な
実施の形態を説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a preferred embodiment of the present invention will be described with reference to the drawings.

【００１３】配管部分の管状収容部分に差し込むため熱
可塑性合成材料により構成した接続素子又は管継手１０
に、雄ねじ部１２又は雌ねじ部１４又はその双方を有す
る閉鎖部分１６を設ける。雄ねじ部１２には、例えば、
閉鎖キャップ又はボール状コックのような他の遮断器具
をねじ付けることができるようにする。雌ねじ部１４は
閉鎖容器を収容するのに使用し、又は他の配管部分をね
じ連結することができる。閉鎖部分１６には本来の接続
部分１８を接続し、この接続部分１８により配管部分の
管状収容部分にはめ込むことができる。接続部分１８は
凹所２０を有し、この凹所２０に熱可塑性合成材料で形
成した管状部分２６を挿入する。A connecting element or fitting 10 made of a thermoplastic synthetic material for plugging into the tubular receiving part of the pipe part.
Is provided with a closure 16 having a male thread 12 or a female thread 14 or both. In the male screw part 12, for example,
Allow the closure cap or other blocking device such as a ball cock to be screwed on. The internal thread 14 can be used to house a closed container or can be threaded to other tubing sections. An actual connecting part 18 is connected to the closing part 16 and can be fitted into the tubular receiving part of the pipe part. The connecting part 18 has a recess 20 into which a tubular part 26 made of thermoplastic synthetic material is inserted.

【００１４】閉鎖部分１６から、環状溝２４を形成する
ことにより周方向にフランジ付き側面２２を突出させ
る。管状の上敷き又は管状部分２６を溝２４の一方の端
部側から差し込み、他方の端部を凹所２０により生ずる
の止め面２１に密着させる。溝２４の開口部の寸法
「ａ」は挿入する管状部分２６の壁厚にほぼ等しくす
る。A flanged side surface 22 is circumferentially projected from the closed portion 16 by forming an annular groove 24. A tubular overlay or tubular section 26 is inserted from one end side of the groove 24 and the other end is brought into close contact with the stop surface 21 created by the recess 20. The dimension "a" of the opening of the groove 24 is approximately equal to the wall thickness of the tubular portion 26 to be inserted.

【００１５】図２は、管状部分２６にかしめたフランジ
付き側面２２を有する使用状態にある接続素子１０を示
す。接続部分１８の外径「ｄ」は管状部分２６を回転切
削することによって形成することができる。FIG. 2 shows the connecting element 10 in use with the flanged side 22 crimped to the tubular portion 26. The outer diameter “d” of the connecting portion 18 can be formed by rotary cutting the tubular portion 26.

【００１６】実際の差し込みにおいては、接続素子を例
えば、電気溶接スリーブ内に挿入し、この電気溶接スリ
ーブによって他の配管部分に接続する。接続部分１８は
電気溶接スリーブ内にフランジ付き側面２２が突き当た
るまで挿入したとき、緊密な接合を生ずるクランプ領域
は溶接によっては高温にはならず、緊密な接合が保持さ
れる。In the actual insertion, the connecting element is, for example, inserted in an electric welding sleeve and is connected to another pipe section by this electric welding sleeve. When the connecting portion 18 is inserted into the electric welding sleeve until the flanged side 22 abuts, the clamping area which produces a tight bond is not heated by the welding and the tight bond is retained.

【００１７】図３（ａ）は、管状部分２６を挿入した閉
鎖部分１６を示す。閉鎖部分１６と管状部分例えば、管
状の上敷きと間の接合及び位置決めにより一層保持が確
実になる。案内部分１６ａには輪郭形成した溝２７を設
ける。異なる断面とすることができる（図３(b) 〜(f)
参照）これらの輪郭形成した溝２７には、この溝２７に
対応する輪郭に形成した突起２８を掛合させる。FIG. 3 (a) shows the closed portion 16 with the tubular portion 26 inserted. The joint and positioning between the closure part 16 and the tubular part, for example a tubular overlay, provides a better retention. The guiding portion 16a is provided with a contoured groove 27. Can have different cross-sections (Fig. 3 (b)-(f)
(See reference) The projections 28 having a contour corresponding to the grooves 27 are engaged with the contoured grooves 27.

【図面の簡単な説明】[Brief description of the drawings]

【図１】上敷きを挿入した接続素子の一部断面とする側
面図である。FIG. 1 is a side view showing a partial cross section of a connection element with an overlay inserted.

【図２】図１の接続素子の上敷きを強固にクランプした
状態の一部断面とする側面図である。FIG. 2 is a side view showing a partial cross section of a state in which the overlay of the connection element of FIG. 1 is firmly clamped.

【図３】（ａ）は接続素子の他の実施例の一部断面とす
る側面であり、（ｂ）〜（ｆ）はは案内部分に輪郭形成
した溝の種々の断面図である。3 (a) is a partial cross-sectional side view of another embodiment of a connecting element, and FIGS. 3 (b)-(f) are various cross-sectional views of a groove contoured in a guide portion.

【符号の説明】[Explanation of symbols]

10 接続素子又は管継手 12 雄ねじ部 14 雌ねじ部 16 閉鎖部分 18 接続部分 20 凹所 21 止め面 22 フランジ付き側面 24 環状溝 26 管状部分 10 Connection element or pipe fitting 12 Male thread 14 Female thread 16 Closing part 18 Connection part 20 Recess 21 Stop face 22 Flange side 24 Annular groove 26 Tubular part

Claims (7)

【特許請求の範囲】[Claims] 【請求項１】 金属で構成した閉鎖部分（１６）及び接
合部分（１８）を有し、熱可塑性合成材料で形成した管
状の上敷き（２６）を前記接合部分（１８）に挿入し、
この上敷き（２６）を熱可塑性合成材料で形成した配管
部分の対応の接合部分に差し込むようにし、前記上敷き
（２６）を前記接合部分（１８）にクランプした接続素
子において、前記閉鎖部分（１６）に環状溝（２４）を
形成することによってフランジ付き側面（２２）を設
け、管状の上敷き（２６）の一方の端部を前記環状溝
（２４）に差し込んでクランプ保持したことを特徴とす
る接続素子。1. A tubular overlay (26) having a closure part (16) and a joint part (18) made of metal and formed of a thermoplastic synthetic material is inserted into the joint part (18),
In the connection element in which the overlay (26) is inserted into a corresponding joint portion of a pipe portion formed of a thermoplastic synthetic material, and the overlay (26) is clamped to the joint portion (18), the closing portion (16) A connection characterized in that a flanged side surface (22) is provided by forming an annular groove (24) in the annular groove (24), and one end of a tubular overlay (26) is inserted into the annular groove (24) and clamped. element. 【請求項２】 接合部分（１８）の凹所（２０）に管状
の上敷き（２６）を配置し、この上敷き（２６）の環状
溝（２４）側とは反対側の止め面（２１）に密着させた
請求項１記載の接続素子。2. A tubular overlay (26) is arranged in the recess (20) of the joint part (18), and on the stop surface (21) of the overlay (26) opposite to the annular groove (24) side. The connection element according to claim 1, which is closely attached. 【請求項３】 前記接続素子を、真鍮、鋼、又は特殊鋼
により形成した請求項１又は２記載の接続素子。3. The connection element according to claim 1, wherein the connection element is made of brass, steel, or special steel. 【請求項４】 閉鎖部分（１６）の案内側面（１６ａ）
に輪郭形成した溝を設け、これら輪郭形成した溝に管状
上敷き（２６）の対応の輪郭形成した突起に掛合可能に
した請求項１乃至３のうちのいずれか一項に記載の接続
素子。4. Guide side (16a) of the closing part (16).
4. A connection element according to claim 1, wherein the connecting groove is provided with contoured grooves, into which the corresponding contoured projections of the tubular overlay (26) can engage. 【請求項５】 請求項１乃至４のうちのいずれか一項に
記載の接続素子の製造方法において、前記接続素子を旋
盤加工、プレス加工、又は鋳造加工によって形成し、管
状の上敷き（２６）を前記接合部分（１８）上にかつ前
記溝内に挿入し、この後フランジ付き側面（２２）を前
記上敷き（２６）上に圧縮してシール接合を形成するこ
とを特徴とする接続素子製造方法。5. The method for manufacturing a connection element according to claim 1, wherein the connection element is formed by lathing, pressing, or casting to form a tubular overlay (26). Is inserted onto the joint portion (18) and into the groove, and then the flanged side surface (22) is compressed onto the overlay (26) to form a seal joint. . 【請求項６】 前記管状の上敷き（２６）を前記フラン
ジ付き側面（２２）の圧縮の後に所要の外径（ｄ）にな
るよう回転切削する請求項５記載の接続素子製造方法。6. The method according to claim 5, wherein the tubular overlay (26) is rotationally cut to a required outer diameter (d) after compression of the flanged side surface (22). 【請求項７】 前記管状の上敷き（２６）を例えば、ダ
イカストにより高い寸法精度で形成した請求項６記載の
接続素子製造方法。7. The method for manufacturing a connecting element according to claim 6, wherein the tubular overlay (26) is formed with high dimensional accuracy, for example, by die casting.
JP8324098A 1995-12-05 1996-12-04 Connection element Pending JPH09178074A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH03437/95A CH692227A5 (en) 1995-12-05 1995-12-05 Connecting element of a pipe part.
CH03437/95 1995-12-05

Publications (1)

Publication Number Publication Date
JPH09178074A true JPH09178074A (en) 1997-07-11

Family

ID=4255955

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8324098A Pending JPH09178074A (en) 1995-12-05 1996-12-04 Connection element

Country Status (8)

Country Link
JP (1) JPH09178074A (en)
KR (1) KR100227402B1 (en)
CN (1) CN1080399C (en)
AR (1) AR003878A1 (en)
BR (1) BR9603639A (en)
CH (1) CH692227A5 (en)
DE (1) DE19629622C2 (en)
NL (1) NL1004267C2 (en)

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IL101297A (en) * 1992-03-19 1993-07-31 Plasson Maagan Michael Ind Ltd Adaptor for use with electrofusion fittings
FR2712660B1 (en) * 1993-09-21 1996-02-16 Innoge Sam Intermediate connection piece.
JP2676494B2 (en) * 1994-11-02 1997-11-17 東亜高級継手バルブ製造株式会社 Electrofusion joint joint fitting retaining method

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DE19629622A1 (en) 1997-06-12
BR9603639A (en) 1998-05-19
KR100227402B1 (en) 1999-11-01
NL1004267A1 (en) 1997-06-06
CN1156230A (en) 1997-08-06
NL1004267C2 (en) 1997-12-10
AR003878A1 (en) 1998-09-09
DE19629622C2 (en) 1999-02-25
CH692227A5 (en) 2002-03-28
CN1080399C (en) 2002-03-06
KR970046796A (en) 1997-07-26

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