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WO2009083228A1 - Élément de raccordement destiné à un système de conduits - Google Patents

Élément de raccordement destiné à un système de conduits Download PDF

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Publication number
WO2009083228A1
WO2009083228A1 PCT/EP2008/011054 EP2008011054W WO2009083228A1 WO 2009083228 A1 WO2009083228 A1 WO 2009083228A1 EP 2008011054 W EP2008011054 W EP 2008011054W WO 2009083228 A1 WO2009083228 A1 WO 2009083228A1
Authority
WO
WIPO (PCT)
Prior art keywords
sleeve
connecting element
support sleeve
element according
profiling
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.)
Ceased
Application number
PCT/EP2008/011054
Other languages
German (de)
English (en)
Inventor
Gabriele Werner
Wolfgang Stöcker
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.)
Individual
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40618650&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2009083228(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to DE112008003390.0T priority Critical patent/DE112008003390C5/de
Publication of WO2009083228A1 publication Critical patent/WO2009083228A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose-connectors, i.e. single members engaging both hoses
    • F16L33/20—Undivided rings, sleeves, or like members contracted on the hose or expanded inside the hose by means of tools; Arrangements using such members
    • F16L33/207—Undivided rings, sleeves, or like members contracted on the hose or expanded inside the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose
    • F16L33/2071—Undivided rings, sleeves, or like members contracted on the hose or expanded inside the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose the sleeve being a separate connecting member
    • F16L33/2078—Undivided rings, sleeves, or like members contracted on the hose or expanded inside the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose the sleeve being a separate connecting member connected to the rigid member via an intermediate element
    • 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
    • F16L13/00—Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints
    • F16L13/14—Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling
    • F16L13/141—Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling by crimping or rolling from the outside
    • F16L13/143—Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling by crimping or rolling from the outside with a sealing element placed around the male part before crimping or rolling
    • 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
    • F16L2201/00—Special arrangements for pipe couplings
    • F16L2201/10—Indicators for correct coupling

Definitions

  • the invention relates to a support sleeve and a connection element for a
  • connection element which can be coupled to at least one pipe of the conduit system, wherein the connection element has an inner sleeve and a compression sleeve.
  • Support sleeves and connection elements for line systems which can be coupled with at least one pipe of the conduit system, have become known from a variety of writings.
  • EP 1 288 554 shows a connection element in which a support sleeve and a compression sleeve are provided. By pressing, for example, a radial compression of the outer compression sleeve on the
  • Pipe end is caused a deadlock.
  • this is possible using a pressing tongs.
  • By pressing holding forces are generated due to plastic deformation.
  • a disadvantage of the embodiment according to EP 1 288 554 is that the tube, which is introduced into the connection element, bears directly against the support sleeve. There is thus a contact between the support sleeve and the tube. This has the disadvantage that due to the contact between the metal in the pipe to be connected and the metal of the support sleeve contact corrosion can occur. Furthermore, it is necessary in such systems to carry out an equipotential bonding.
  • EP 1 267 113 likewise shows a connection element for a line system with a support sleeve and a compression sleeve.
  • EP 1 267 113 proposes to prevent the ingress of dirt with a protective element in the region of the connection element in order to avoid leaks in the region of the connection element caused by such dirt particles. This is also the case with the system according to EP 1 267 113 to be connected pipe directly to the support sleeve, so that even in this system contact corrosion can not be prevented and also an equipotential bonding is necessary.
  • the support sleeves known from the prior art such as EP 1 267 113 or EP 1 288 554, have the disadvantage that the tubes pressed with these support sleeves do not have a sufficient longitudinal force fit and slide the tubes out of the support sleeve. On the other hand, have support sleeves that have a sufficient longitudinally strong on insufficient tightness.
  • the object of the invention is to overcome the disadvantages of the prior art.
  • the object is achieved by a support sleeve for a connection element for a piping system comprising at least one circumferential groove for receiving a sealing ring and an outer surface with a profiling, wherein the profiling has a depth and a length and the ratio of Total length of the profiling to the depth of a profiling in the range in the range 20 to 2, preferably in the range 6 to 3.
  • the profile has a first rising region in the direction of the sealing ring in the longitudinal section and a second region extending substantially flat therealong.
  • a contour has the advantage that a tube pressed with this contour can perfectly conform to the support sleeve or the fitting in the flat, expiring region. In this way, a high and reliable tightness is achieved.
  • the ascending areas provide longitudinally cut tips that can dig into the tube. As a result, the required axial force is shown. It is particularly advantageous if the Support sleeve more than one, for example, has two sealing rings and at least two profiles according to the invention.
  • connection element for a line system which can be coupled to at least one pipe of the line system, wherein the connection element has a support sleeve and a compression sleeve and the compression sleeve at least partially encloses the support sleeve in the mounted state.
  • the connecting element according to the invention is characterized in that a retaining ring is provided on the outside of the support sleeve, wherein the retaining ring is at the same time stop ring for the male pipe.
  • the retaining ring is a potential barrier.
  • the retaining ring is made of a non-conductive material, in particular a plastic, for example polyethylene, polypropylene or polybutylene.
  • a stop ring may additionally be provided on the outside of the compression sleeve.
  • a stop ring may additionally be provided on the outside of the compression sleeve.
  • the stop ring is designed as a guide element for a pressing tool, which serves to press the compression sleeve onto the support sleeve and thus to achieve a jamming of the tube in the connection element.
  • the support sleeve has a contour.
  • the contour of the support sleeve may have at least one circumferential groove for receiving a sealing element. Preferably, however, two circumferential grooves for receiving two sealing elements are provided.
  • the contour can have a profiling on the outer surface of the support sleeve, in particular in the form of grooves, for example with a triangular cross-section with a steeply rising region and a flat tapering region in longitudinal section.
  • the profiling engages punctiform in the form of triangular grooves in the inner wall of the pipe to be fastened with the connection element and thus secures the longitudinal force fit. Due to the long expiring flat section, the tube can conform to the contour and seal after compression, i. in the assembled state is ensured.
  • Both the support sleeve and the compression sleeve can be designed either as a metal element or as a plastic element. In the support sleeve come as materials in particular brass or plastic into consideration, in the compression sleeve, a stainless steel, steel or plastic.
  • connection element in a variety of pipes, especially plastic pipes or composite pipes made of plastic and a metal, such as plastic-metal-plastic composite pipes.
  • the connection element can be used in particular in pipes for liquid media, such as water in the area of the radiator connection, the water supply, in the entire sanitary area, in the area of underfloor heating.
  • a use for gaseous media such as gas supply lines or compressed air lines is possible.
  • the invention that there is no contact corrosion at the pipe ends.
  • Figure 1 shows a longitudinal section through an inventive connecting element without inserted tube; in which the retaining ring rests against the compression sleeve,
  • Figure 2 shows a longitudinal section through an inventive connecting element with inserted tube, but not yet compressed compression sleeve
  • FIG. 3 shows a longitudinal section of a plan view through a compression sleeve.
  • FIG. 1 shows a connection piece according to the invention in a first embodiment.
  • the connecting element 1 according to the invention comprises a compression sleeve 3 and a support sleeve 5.
  • the support sleeve 5 is formed substantially Vietnamesezylindermantelelförmig.
  • the support sleeve 5 comprises two axially spaced from each other, the cylinder axis circumferential grooves 7.1, 7.2, in the
  • the depth T D of the groove 7.1, 7.2 is in one embodiment, for example, 1 mm.
  • the region of the outer surface of the support sleeve 5 is further provided with a contour, that is, a profiling in the form of grooves 11.
  • L 1 is 3 mm and L 2 is 2 mm, so that a total length LG of 5 mm results.
  • the ratio of the length of the first region to that of the second region is between 0.5 and 2.
  • the depth of the entire profiling is T P.
  • the depth T p is 0.65 mm.
  • an axial displacement of an inserted between the compression sleeve and the support sleeve composite tube in reliably prevents a direction of insertion indicated by the arrow 13 direction, on the other hand, the tube fits snugly against the support sleeve.
  • a preferably annular retaining element 30 is provided on the outer surface of the support sleeve. The retaining ring 30 also serves as a stop for the tube to be inserted. In the case shown in FIG.
  • the holding ring 30 designed as a plastic element serves as a potential barrier, since a direct abutment of the compression sleeve 3 on the support sleeve 5 and in particular of a tube end with a metal core on the compression sleeve 3 or the support sleeve 5 is reliably avoided, also in FIG compressed state in which the plastic tube rests against the seals 9.1, 9.2 and partially at the teeth of the triangular portion 12.1, 12.2, which ensure a longitudinally strong. Furthermore, the insertion depth of the tube with the help of the viewing window 20, which are introduced into a circumferential guide ring 40, be securely controlled.
  • the tube (not shown) does not rest against the support and / or compression sleeve, but a potential barrier is interposed between the metal in the plastic tube, for example aluminum, for the press, which is preferably in the form of a metal part - or support sleeve made. Since there is no conductive connection between the compression sleeve on the one hand, the support sleeve and the pipe to be pressed with the support sleeve, on the other hand, it is certainly possible to avoid contact corrosion. Furthermore, the retaining ring acts as potential separation. A separate one Equipotential bonding is therefore not necessary.
  • the retaining ring 30 receives the compression sleeve 3 in a groove 32.
  • a guide ring 40 for example for a pressing tool, is arranged on the outside of the compression sleeve 3.
  • the guide ring 40 includes for visual inspection, introduced openings 20th
  • FIG. 2 shows a connecting element according to the invention according to FIG. 1 with inserted tube still before being pressed.
  • the pipe 50 which is connected by means of the connecting element 1, may be a plastic pipe or a plastic composite pipe.
  • composite plastic pipes composite pipes are possible, which include as a soul, for example, a copper pipe or aluminum pipes and which are surrounded by a plastic, such as polyethylene.
  • Particularly preferred are multilayer composite pipes, which can easily be bent by hand and remain in the desired shape without springback.
  • Multilayer composite pipes, which are made with aluminum pipes, are butt-welded or overlap welded aluminum multilayer composite pipes.
  • the internal aluminum tube significantly reduces the thermal expansion compared to conventional plastic pipes and corresponds approximately to that of metal pipes.
  • the preferred multilayer composite pipes used are also coated with polyethylene.
  • the inner tube is preferably made of polyethylene. Due to the inner tube of polyethylene, there is no material removal or deposition due to the low roughness of the plastic, which prevent the pipe cross-section.
  • the support sleeves are preferably made of a stress-free annealed brass and therefore particularly resistant to corrosion. The smooth hard surfaces of the brass support sleeves prevent erosion, noise and deposition.
  • FIG. 2 shows the beginning of a mounting of a pipe with a connection element 1 according to the invention.
  • the same components as in the preceding figures are identified by the same reference numerals.
  • the tube to be connected to the intended location that is inserted to the intended location shortly before the stop ring in the compression sleeve can be optically controlled by means of the openings 20 which are introduced into the stop and guide ring. After the tubes have been inserted into the position shown in FIG.
  • the pressing tool (not shown) is placed over the entire course of the compression sleeve on the guide ring 40 arranged on the outside of the compression sleeve and the compression sleeve is pressed in the area marked P, so that the in the intermediate space between the support sleeve and compression sleeve introduced tube 50 is clamped to the support sleeve, so that on the one hand, a tight connection between the tube 50 and the support sleeve 5 is formed, on the other hand, a longitudinal displacement of the tube 50 is avoided due to the contour after the pressing process.
  • FIG. 3 once again shows a longitudinal view of a compression sleeve 3. It can also be seen the retaining ring 30, which ensures a precise fit of the compression sleeve 3 on the support sleeve 5. It is also possible to see the guide ring 40 arranged on the outside of the compression sleeve, which has openings 20 in the area shown, for example round openings, which ensure a visual inspection of the inserted tube. The retaining ring 30 ensures a potential barrier and thus a corrosion inhibition. Furthermore, the tube end 150 of an inserted tube and the intermediate space 200, which is formed between tube end 150 and retaining ring 30, can be seen.
  • the system according to the invention can be used in any type of pipe connections both metal and plastic pipes or plastic composite pipes.
  • Plastic and plastic composite pipes are preferably used in the field of water pipes, radiator connections, floor heating but also of non-liquid media such as compressed air or gas.
  • the invention for the first time specifies a system in which a potential barrier is reliably provided, so that corrosion due to different potentials of the materials used can be avoided.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)

Abstract

L'invention concerne un manchon de support (5), ainsi qu'un élément de raccordement (1) destiné à un système de conduits, l'élément de raccordement pouvant s'accoupler avec au moins un conduit (50) du système de conduits et comprenant un manchon intérieur et un manchon de serrage (3). Le manchon de support (5) conçu pour un élément de raccordement destiné à un système de conduits comprend au moins une rainure périphérique (7.1, 7.2) permettant de recevoir une bague d'étanchéité (9.1, 9.2), ainsi qu'une surface extérieure présentant une partie profilée ayant une profondeur TP et une longueur LG et le rapport entre la longueur totale LG de la partie profilée et la profondeur TP d'une partie profilée étant compris entre 20 et 2, de préférence entre 6 et 3.
PCT/EP2008/011054 2007-12-28 2008-12-23 Élément de raccordement destiné à un système de conduits Ceased WO2009083228A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112008003390.0T DE112008003390C5 (de) 2007-12-28 2008-12-23 Anschlusselement für ein Leitungssystem

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202007018209.0 2007-12-28
DE202007018209U DE202007018209U1 (de) 2007-12-28 2007-12-28 Anschlusselement für ein Leitungssystem

Publications (1)

Publication Number Publication Date
WO2009083228A1 true WO2009083228A1 (fr) 2009-07-09

Family

ID=40618650

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/011054 Ceased WO2009083228A1 (fr) 2007-12-28 2008-12-23 Élément de raccordement destiné à un système de conduits

Country Status (2)

Country Link
DE (2) DE202007018209U1 (fr)
WO (1) WO2009083228A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115199829A (zh) * 2022-07-14 2022-10-18 日丰企业（佛山）有限公司 一种带有安装和漏水指示的管件接头和管路系统

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202011107346U1 (de) * 2011-06-06 2012-09-07 Wavin B.V. Anschlussfitting
DE102023113780A1 (de) 2023-05-25 2024-11-28 Gabriele Werner Anschlusselement für Rohre

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1174653A2 (fr) * 2000-07-19 2002-01-23 VALSIR S.p.A. Dispositif de raccordement de tuyaux, en particulier pour tuyaux multi-couches en matériaux composites
DE202006010323U1 (de) * 2006-06-30 2007-11-08 Rehau Ag + Co. Anschlussfitting

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NZ200846A (en) 1981-06-10 1985-11-08 Unilever Plc Hose end fitting:collar swages into body recess
US4522435A (en) 1982-12-27 1985-06-11 Parker Hannifin Corporation Hose coupling joint
DE4304680C1 (de) 1993-02-16 1994-04-28 Kirchner Fraenk Rohr Abdichtende Verbindung von Kunststoff-Metall-Kunststoff-Verbundrohren
AT402095B (de) 1995-09-27 1997-01-27 Verbex Produktions Und Vertrie Verbindungsstück, insbesondere mit gewindeanschluss, zum aufpressen auf das ende eines rohres
AT1686U1 (de) 1996-11-22 1997-09-25 Verbex Produktions Und Vertrie Verbindungsstück, insbesondere mit gewindeanschluss, zum aufpressen auf das ende eines rohres
DE29703551U1 (de) 1997-02-07 1997-05-22 Mair, Gottfried, 94474 Vilshofen Vorrichtung zur Klemmverbindung von Rohrleitungselementen
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Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1174653A2 (fr) * 2000-07-19 2002-01-23 VALSIR S.p.A. Dispositif de raccordement de tuyaux, en particulier pour tuyaux multi-couches en matériaux composites
DE202006010323U1 (de) * 2006-06-30 2007-11-08 Rehau Ag + Co. Anschlussfitting

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115199829A (zh) * 2022-07-14 2022-10-18 日丰企业（佛山）有限公司 一种带有安装和漏水指示的管件接头和管路系统
CN115199829B (zh) * 2022-07-14 2024-04-05 日丰企业（佛山）有限公司 一种带有安装和漏水指示的管件接头和管路系统

Also Published As

Publication number Publication date
DE112008003390B4 (de) 2018-09-20
DE112008003390C5 (de) 2023-10-26
DE112008003390A5 (de) 2010-10-21
DE202007018209U1 (de) 2009-05-07

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