WO2007073790A1 - Raccord - Google Patents

Raccord Download PDF

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Publication number
WO2007073790A1
WO2007073790A1 PCT/EP2006/010075 EP2006010075W WO2007073790A1 WO 2007073790 A1 WO2007073790 A1 WO 2007073790A1 EP 2006010075 W EP2006010075 W EP 2006010075W WO 2007073790 A1 WO2007073790 A1 WO 2007073790A1
Authority
WO
WIPO (PCT)
Prior art keywords
wall
sealing
receiving part
sealing lip
coupling according
Prior art date
Application number
PCT/EP2006/010075
Other languages
German (de)
English (en)
Inventor
Axel Feger
Jean-Martin Henlin
Martin Kurth
Michael Trede
Original Assignee
A. Raymond Et Cie
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 A. Raymond Et Cie filed Critical A. Raymond Et Cie
Publication of WO2007073790A1 publication Critical patent/WO2007073790A1/fr

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
    • F16L21/00—Joints with sleeve or socket
    • F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
    • F16L21/03—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings placed in the socket before connection
    • 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
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/12—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
    • F16L37/16—Joints tightened by the action of a wedge-shaped hinged hooks

Definitions

  • the invention relates to a coupling according to the preamble of patent claim 1.
  • Such a coupling is known from DE 10 2004 062 887 B3.
  • the previously known coupling for connecting two line ends of a fluid conduit system has a receiving part and an insertion part which can be inserted into the receiving part.
  • the insertion part has a retaining ring, which is engaged behind for connecting the insertion part with the receiving part of locking means.
  • a sealing unit which is arranged in the receiving part and is formed from three loose parts, namely two sealing rings with a roundish cross-section and an intermediate ring arranged between the sealing rings.
  • the invention has for its object to provide a coupling of the type mentioned, which is characterized by a simple installation and a good tightness at a very cost-effective production.
  • the sealing unit has a molded in a receiving groove of the receiving part circumferential sealing lip, the sealing unit is mutual mutual intimate contour adjustments between the sealing lip and the receiving groove connected to the receiving part, and a time-consuming and error prone pre-assembly of the sealing unit for ready-to-use assembly of the coupling is eliminated.
  • a simple handling but also a very cost-effective production is achieved.
  • FIG. 1 is a perspective partially sectioned view of an embodiment of a coupling according to the invention with a receiving part and a male part, which are arranged at a distance from each other,
  • FIG. 1 in a perspective partially sectioned view of the embodiment according to FIG. 1 with the insertion part inserted into the receiving part in the region of a sealing unit with a sealing lip in an overpressure position
  • FIG. 3 is a perspective partially sectioned view of the embodiment according to FIG. 1 with the insertion part inserted in the receiving part in the region of a sealing unit with a sealing lip in a vacuum position, FIG.
  • FIG. 4 shows a perspective, partially sectioned view corresponding to the representations according to FIG. 2 and FIG. 3 shows a further exemplary embodiment of a coupling according to the invention with a sealing lip with an axially extended directed outside having sealing unit with a male in an insertion position,
  • FIG. 5 shows a perspective, partially sectioned view of the embodiment according to FIG. 4 with the insertion part in a final assembly position
  • FIGS. 2 to 5 shows in a perspective partially sectioned view corresponding to the illustrations according to FIGS. 2 to 5 a further exemplary embodiment of a coupling according to the invention with a sealing unit having an end-shaped sealing lip with an insertion part in an insertion position and
  • Fig. 7 in a perspective partially sectioned view of the embodiment of FIG. 6 with the male part in a final assembly position.
  • Fig. 1 shows in a partially sectioned perspective view of an embodiment of a coupling according to the invention, which has a male part 1 and a receiving part 2, in which the male part 1 can be inserted.
  • the plug-in part 1 has, for connection to a line end of a fluid line system, an elongate connecting piece 3, which is delimited in the axial direction by a radially projecting end collar 4 serving as a stop.
  • the insertion part 2 On the side of the end collar 4 opposite the connection piece 3, the insertion part 2 has a cylindrical end section 5 as a ring structure, on which a circumferential retaining ring 6 protruding radially beyond the end section 5 is formed at a distance from the end collar 4.
  • a circumferential, axially ü- protruding sealing collar 7 is formed, which is equipped with a radially inwardly facing flat sealing surface 8.
  • the receiving part 2 likewise has an end connection 9 for connection to a further line end of the fluid line system.
  • a center portion 10 is attached, which is formed on its side facing away from the connecting piece 9 with a circumferential receiving groove 11.
  • two half-shell-like, mutually opposite mouthpieces 12 are further attached to the side facing away from the connecting piece 9, each having a Deutschenrastnase 13 and an associated with the Schurastnase 13 articulation lever 14, with which the respective Schurastnase 13 is movable in the radial direction.
  • a sealing unit of the coupling according to the invention is formed by a molded circumferential sealing lip 15 made of a soft elastic material, which is arranged in the receiving groove 11 with a formed in the Anspritzvorgang An Kunststoffswulst 16 so that the sealing lip 15 and the receiving groove 11 at least partially contour-matched Have contact surfaces.
  • the sealing lip 15 is preferably fixedly and permanently connected to the receiving part 1.
  • the sealing lip 15 in accordance with the exemplary embodiment according to FIG. 1 has a radially inwardly extending flat inner wall 18 extending from the attachment bead 16 in the direction of a flattened end wall 17 and also radially extending from the attachment bead 16 in the direction of the end wall 17 outwardly facing flat outer wall 19.
  • the inner wall 18 and the outer wall 19 are each made with a magnitude approximately equal angle obliquely to the longitudinal direction of the clutch.
  • the outer wall 19 lies at a distance opposite a circumferential, parallel to the longitudinal axis of the coupling according to the invention aligned flat edge surface 20 which is formed on a stop ring 21 of the receiving part 2.
  • the insertion process of the male part 1 in the receiving part 2 proceeds as follows: after immersion of the end portion 5 of the male part 1 optionally taking advantage of a centering effect of the inclined inner wall 18 of the sealing lip 15 of the sealing collar 7 dives in between the trained on the stop ring 21 Deten Edge surface 20 and the inner wall 19 formed free space until the end face 17 of the sealing lip 15 abuts the end portion 5 facing side of the retaining ring 6 and the Schurastnasen 13 engage behind the retaining ring 6.
  • Fig. 2 shows in a partially sectioned perspective view of the embodiment of FIG. 1 with the insertion part 1 inserted into the receiving part 2 in the region of the sealing lip 15 with the sealing lip 15 in an overpressure position, which is present when the pressure in the fluid conduit system in the inventive coupling is greater than the ambient pressure.
  • the outer wall 19 is under radial expansion of the sealing lip 15 against the relaxed non-pressurized position on the inwardly facing sealing surface 8 of the sealing collar 7 at.
  • the end wall 17 is located on a formed between the end portion 5 and the sealing collar 7, also serving as a flat sealing surface 22 radial surface of the retaining ring 6 at.
  • FIG. 3 shows, corresponding to Fig. 2, the embodiment of FIG. 1 with the inserted in the receiving part 2 plug 1 with the sealing lip 15 in a negative pressure position, which is present when the pressure within the fluid conduit system in the region of the coupling according to the invention is less than the ambient pressure is.
  • the inner wall 18 of the sealing lip 15 now bears against the outer wall of the end section 5 of the insertion part 1 in an axial surface located upstream of the retaining ring 6 and serving as a further flat sealing surface 23.
  • FIG. 4 shows in a perspective partially sectioned view corresponding to the representations according to FIGS. 2 and 3 a further exemplary embodiment of a coupling according to the invention with an insertion part 1 in an insertion position, wherein in the embodiment of FIG. 1 and FIG. 3 and the embodiment according to FIG. 4 corresponding elements are provided with the same reference numerals and are not further explained in an identical embodiment in further detail.
  • the outer wall 19 of the sealing lip 15 in the Dar- position shown in FIG. 4, is substantially aligned axially, so that it is parallel to the outer wall of the end portion 5 of the male part 1.
  • the sealing surface 8 of the sealing collar 7 has an increasingly smaller radial distance from the longitudinal axis of the coupling from its side pointing away from the retaining ring 6 in the direction of the retaining ring 6, the radial distance being remote from the retaining ring 6 End greater than the radial distance of the outer wall 19 of the sealing lip 15, from a contact area, however, is smaller than that of the outer wall 19 of the sealing lip 15.
  • Fig. 5 shows in a perspective partially sectioned view of the embodiment of FIG. 4 with the male part 1 in a final assembly position in which the outer wall 19 of the sealing lip 15 due to the deflection of the end wall 17 during transfer of the male part 1 of the insertion position of FIG the final assembly position shown in FIG. 5 radially inward already in the pressure-free state with a certain, the sealing action increasing bias on the sealing surface 8 of the sealing collar 7 is applied.
  • the exemplary embodiment according to FIGS. 4 and 5 due to the oblique positioning of the outer wall 19 of the sealing lip 15 relative to the sealing surface 8 of the sealing collar 7, occurs particularly well for use with overpressure conditions in the fluid line system.
  • FIG. 6 shows, in a perspective, partially cutaway view corresponding to the representations according to FIGS. 2 to 5, a further exemplary embodiment of a coupling according to the invention with a sealing unit having a furrowed sealing lip 15 with one Plug 1 in an insertion position.
  • the sealing lip 15 is formed at its end pointing away from the connecting bead 16 with a circumferential end groove 24, so that the sealing lip 15 has a radially outer end wall 25 and a radially inner end wall 26.
  • the inner wall 18 and the outer wall 19 of the sealing lip 15 are axially aligned in the arrangement according to FIG. 6 so that they lie parallel to the end-side section of the outer wall of the end section 5.
  • the sealing surface 8 of the sealing collar 7 is formed according to the exemplary embodiment according to FIGS. 4 and 5, while the retaining surface 6 upstream sealing surface 23 on the outer wall of the end portion 5 of the male part 1 in the direction of the retaining ring 6 with increasing radial distance from the longitudinal axis Clutch is turned on.
  • the outer diameter of the sealing lip 15 on the outer end wall 25 is greater than the radial distance of the sealing surface 8 of the sealing collar 7 from the longitudinal axis of the coupling, while the inner diameter of the sealing lip 15 on the inner end wall 26 is smaller than the radial distance of the sealing surface 23 of the end portion 5 of the male part 1 from the longitudinal axis of the coupling.
  • FIG. 7 shows a perspective, partially sectioned view of the embodiment according to FIG. 6 with the insertion part 1 in a final assembly position.
  • both the inner wall 18 and the outer wall 19 of the sealing lip 15 with bias to the respective opposite sealing surfaces 8, 23 of the sealing collar 7 and the end portion 5 of the male part 1, so that the end groove 24 against - Is narrowed radially over the arrangement of FIG. 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

Raccord destiné à relier deux extrémités de conduite d'un système de conduites pour fluide, qui possède une partie réceptrice (2), une partie à emboîter (1) pouvant être emboîtée dans la partie réceptrice (2) et pouvant être reliée à ladite partie réceptrice (2) par des moyens d'encliquetage (6, 13) et une unité d'étanchéité située dans la partie réceptrice (2) pour établir une liaison étanche aux fluides entre la partie réceptrice (2) et la partie à emboîter (1). L'unité d'étanchéité possède une lèvre d'étanchéité (15) périphérique surmoulée par injection dans une rainure réceptrice (11) de la partie réceptrice (2). Cette configuration permet une fabrication très économique, un montage simple et une bonne étanchéité.
PCT/EP2006/010075 2005-12-16 2006-10-19 Raccord WO2007073790A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200510060136 DE102005060136B3 (de) 2005-12-16 2005-12-16 Kupplung
DE102005060136.7 2005-12-16

Publications (1)

Publication Number Publication Date
WO2007073790A1 true WO2007073790A1 (fr) 2007-07-05

Family

ID=37545335

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/010075 WO2007073790A1 (fr) 2005-12-16 2006-10-19 Raccord

Country Status (2)

Country Link
DE (1) DE102005060136B3 (fr)
WO (1) WO2007073790A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5607190A (en) * 1994-03-04 1997-03-04 Hutchinson Quick and leaktight joining device for tubular pipes
WO2005057072A1 (fr) * 2003-12-11 2005-06-23 A. Raymond & Cie Dispositif de connexion a l'extremite d'un tube ondule
DE102004062887B3 (de) 2004-12-27 2005-10-13 A. Raymond & Cie Kupplung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7575256B2 (en) * 2003-08-06 2009-08-18 National Coupling Company, Inc. Bore liner for undersea hydraulic coupling

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5607190A (en) * 1994-03-04 1997-03-04 Hutchinson Quick and leaktight joining device for tubular pipes
WO2005057072A1 (fr) * 2003-12-11 2005-06-23 A. Raymond & Cie Dispositif de connexion a l'extremite d'un tube ondule
DE102004062887B3 (de) 2004-12-27 2005-10-13 A. Raymond & Cie Kupplung

Also Published As

Publication number Publication date
DE102005060136B3 (de) 2007-01-04

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