WO2016058791A1 - Dispositif d'assemblage de tuyaux - Google Patents

Dispositif d'assemblage de tuyaux Download PDF

Info

Publication number
WO2016058791A1
WO2016058791A1 PCT/EP2015/071664 EP2015071664W WO2016058791A1 WO 2016058791 A1 WO2016058791 A1 WO 2016058791A1 EP 2015071664 W EP2015071664 W EP 2015071664W WO 2016058791 A1 WO2016058791 A1 WO 2016058791A1
Authority
WO
WIPO (PCT)
Prior art keywords
clamping
sealing ring
engagement
connection device
clamping segments
Prior art date
Application number
PCT/EP2015/071664
Other languages
German (de)
English (en)
Inventor
Ivo Hauner
Antonín SMIEŠKO
Original Assignee
Vag-Armaturen Gmbh
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 Vag-Armaturen Gmbh filed Critical Vag-Armaturen Gmbh
Publication of WO2016058791A1 publication Critical patent/WO2016058791A1/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
    • F16L21/04—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 in which sealing rings are compressed by axially-movable members
    • 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
    • F16L21/08—Joints with sleeve or socket with additional locking means

Definitions

  • the invention relates to a pipe connecting device according to the preamble of claim 1.
  • Such a pipe connection device is known from EP 1 292 792 B1.
  • This has a coupling sleeve for receiving a pipe end, a pressure member and a sealing and holding device arranged therebetween.
  • the pressure member serves to press the sealing and holding device against the tube to ensure both a seal and a support of the tube.
  • the sealing and holding device comprises a sealing member in the form of a sealing ring and arranged in the sealing ring clamping ring having a plurality of clamping segments with wedge-shaped clamping elements.
  • the existing of individual clamping segments clamping ring must first be assembled to assemble the sealing and holding device.
  • the clamping segments have a tongue and groove connection.
  • the so-assembled clamping segments form the clamping ring on which the wedge-shaped clamping elements then still have to be plugged.
  • the assembly of the sealing and holding device is associated with a considerable installation effort.
  • the production of the clamping segments due to the geometric configuration is complicated and costly.
  • the object of the invention is to provide a pipe connection device of the type mentioned, which is easier to manufacture and easier to install.
  • the pipe connecting device comprises a sleeve-shaped receiving part for receiving a pipe end, one with the receiving part in the axial direction adjustable connected pressure member and arranged between the receiving part and the pressure member sealing and holding means for the sealed mounting of the pipe end within the receiving part.
  • the sealing and holding device comprises a sealing ring and a clamping ring of a plurality of radially movable clamping segments, wherein the sealing ring on its inside spaced-apart spacers for engagement in recesses on the clamping segments. Due to the design of the spacers, the clamping segments are held by the sealing ring at a distance from each other and no longer need to be positively connected to each other via separate holding elements. As a result, the production of the clamping segments can be considerably simplified. A complicated mating of the clamping segments is eliminated.
  • the spacers may be in the form of webs which are integrally formed on the inside of an outer cylindrical part of the sealing ring and formed to engage in the recesses of the clamping segments.
  • the spacers could, however, also be arranged in a corresponding manner on another part of the sealing ring.
  • the clamping segments may contain at least one guide groove for engagement with an associated guide web on the sealing ring.
  • a positive guidance of the clamping segments can be achieved on the sealing ring.
  • a particularly advantageous guidance of the clamping segments on the sealing element can be achieved in that the clamping segments on its radial outer side an outer guide groove for engagement in a circumferential outer guide web of the sealing ring and / or on its radially inner side a second guide groove for engagement in a circumferential inner guide web of the sealing ring exhibit.
  • a further advantageous embodiment is characterized in that on the side facing the sealing ring side of the clamping segments on the radial inner side in the circumferential direction of the clamping ring projecting wedge-shaped projection and on the opposite side of the projection a recess for the positive engagement of the wedge-shaped projection of an adjacent clamping segment are arranged , By engaging in the corresponding recesses projections can be avoided that during assembly of the pipe connection device and in particular when tightening the Clamping ring parts of the surface of the sealing ring are pressed into the resulting spaces of the individual clamping segments.
  • the clamping segments are preferably wedge-shaped and have a protruding in the circumferential direction of the clamping ring first shoulder for engagement with a conical central portion of the sealing ring and a second shoulder for engagement with a conical bearing surface of the pressure component.
  • clamping segments On the radial inner side of the clamping segments may also be provided a stepped recess for receiving a holding element.
  • the holding elements can be connected via a latching connection with the clamping segments.
  • the clamping segments and the holding elements can be made of plastic in a simple and inexpensive design.
  • Figure 1 is a perspective of a pipe connection device according to the invention in one
  • Figure 3 is a clamping segment of a clamping ring of the pipe connecting device of
  • FIG. 4 shows the clamping segment of Figure 1 with a holding element in a perspective.
  • Figure 5 shows a part of a clamping ring of the pipe connecting device of Figure 1 in a perspective
  • Figure 6 shows a part of the sealing ring of Figure 2 with inserted clamping segment
  • FIG. 7 is a sectional view of a pipe connection device in the assembled state.
  • a pipe connecting device 1 according to the invention, which comprises a sleeve-shaped receiving part 2 for receiving a pipe end, an adjustable with the receiving part 2 via screws 3 in the axial direction connected pressure member 4 and arranged between the receiving part 2 and the pressure member 4 sealing and holding device 5 for sealed support of the pipe end within the receiving part 2 contains.
  • the sealing and holding device 5 comprises a preferably made of an elastomeric material sealing ring 6 and a clamping ring 7, which is formed by a plurality of radially movable clamping segments 8.
  • the sealing ring 6 has a reaching to the outside of the tube inner hollow cylindrical member 9 with an inwardly projecting inner annular guide bar 10, a bearing on the receiving part 2 reaching conical center part 11 and a cylindrical outer part 12 with an inwardly angled outward annular guide bar 13.
  • the receiving part 2 contains at the end facing the pressure component 4 a conical Grafiansch 14 with a recognizable in Figure 7 inner conical creafiambae 15 for conditioning the conical center portion 11 of the sealing ring 6.
  • a conical pawfiansch 14 At the abutment flange 14 opposite end of the receiving part 2 is a with holes provided
  • Racfiansch 16 is provided.
  • the sleeve-shaped receiving part 2 at least two radially projecting flanges 17 with through holes 18 for the screws 3.
  • the pressure component 4 consists of an annular pressure body 19 with a peripheral edge 20. At the receiving part 2 facing the inside of the annular pressure body 19, a conical Aufiagefikiee 21 is provided for the clamping ring 7.
  • the pressure component 4 also has radially projecting flanges 22 with passage openings 23 for the screws 3.
  • the sealing ring 6 contains web-shaped spacers 24 spaced apart from one another on its inside. The web-shaped spacers 24 are formed on the inside of the outer cylindrical part 12 inwards and extend between the conical center part 11 and the outer guide web 13 , In Figures 3 and 4, a wedge-shaped clamping segment 8 of the clamping ring 7 is shown.
  • the clamping segment 8 includes on its radial outer side in the axial direction of the clamping ring 7, ie transversely to the circumferential direction of the clamping ring 7 extending recess 25 which is formed such that in each case a spacer 24 of the sealing ring 6 can engage in this recess 25.
  • Perpendicular to the recess 25, ie in the circumferential direction of the clamping ring 7 extends an outer guide groove 26, wherein the recess 25 in the illustrated embodiment extends to the guide groove 26.
  • a second guide groove 27 is formed which extends in the same direction as the first guide groove 26, ie also in the circumferential direction of the clamping ring 7.
  • the two guide grooves 26 and 27 have on the groove base a widening for receiving a correspondingly shaped thickening at the ends of the two guide webs 10 and 13 of the sealing ring 6. As a result, better retention of the clamping segments 8 within the sealing ring 6 is achieved.
  • a wedge-shaped projection 28 projecting in the circumferential direction is formed on its radial inner side, and a recess 29, recognizable in FIG. 4, is formed on the side opposite the projection 28.
  • the sealing ring 6 facing side of the clamping segment 8 further comprises a projecting in the circumferential direction of the clamping ring 7 profiled first shoulder 30 for engagement with the conical central portion 11 of the sealing ring 6 and an adjoining first recess 31 for receiving a shoulder of an adjacent clamping segment 8.
  • a protruding second shoulder 32 for engagement with the conical bearing surface 21 of the pressure member 4 and an adjoining second recess 33 are integrally formed.
  • a step-shaped recess 34 for receiving a retaining element 35 shown in FIG. 4 is also provided.
  • the retaining element 35 shown in FIG. 4 is inserted into the recess 34 on the radial inner side of the clamping segment 8 pointing toward the tube via a step-shaped upper part and is fixed to the clamping segment 8 via a latching connection.
  • resilient locking lugs 36 are integrally formed on the holding element 35, which engage in corresponding latching recesses 37 of the clamping segment 8.
  • the holding element 35 has a plurality of rectangular recesses 38 for receiving preferably from carborundum existing holding means. As a result, the clamping properties and in particular the grip can be increased.
  • the holding member 35 may on its inside but also a profiling in the form of depressions, elevations, gears or the like. Have.
  • the holding elements 35 may be made of a plastic and provided with a carborundum powder coating.
  • the clamping ring 7 formed from a plurality of clamping segments 8 is shown in FIG.
  • the individual clamping segments 8 are not firmly connected. Only the projection 28 of each clamping segment 8 projects into the recess 29 of an adjacent clamping segment 8. The same applies to the shoulders 30 and 32, which engage in the recesses 31 and 33 of the adjacent clamping segments 8 and cover the adjacent clamping segments 8.
  • a substantially continuous conical contact surface for the conical central part 11 of the sealing ring 6 and an oppositely conical contact surface for the conical bearing surface 21 of the pressure member 4 is formed.
  • FIG. 6 shows the arrangement of a clamping segment 8 on the sealing ring 6.
  • the clamping segment 8 is inserted into the sealing ring 6, that the not visible here shoulder 30 to the conical center portion 11 of the sealing ring 6 has.
  • the clamping segment 8 engages with its outer guide groove 26 in the circumferential outer guide web 13 of the sealing ring 6, while the second guide groove 27 is in engagement with the circumferential inner guide web 10 of the sealing ring 6.
  • the clamping segment 8 is thus securely guided in the sealing ring 6 and is held or positioned via the spacer 24 in the sealing ring 6 in the circumferential direction.
  • the not visible here recess 25 engages in the also not visible here spacers 24 of the sealing ring 6 a.
  • FIG. 7 shows a longitudinal section of the pipe connection device 1 according to the invention in an assembled state.
  • the sealing and holding device 5 is clamped with the sealing ring mounted on the 6 clamping ring 7 between the Aumahmeteil 2 and the pressure member 4.
  • the sealing ring 6 rests with the outside of its conical center part 11 on the conical contact surface 15 of the abutment flange 14 on the receiving part 2.
  • On the inside of the conical middle part 11 of the sealing ring 6 are the clamping segments 8 with their first shoulders 30 at. With the oppositely inclined second shoulders 32, the clamping segments 8 are supported on the conical inner bearing surface 21 of the pressure component.
  • the encircling edge 20 of the pressure component 4 essentially encloses the sealing and holding device 5.
  • the clamping segments 8 are held by the spacers 24 not visible here in the circumferential direction at a fixed distance from each other and guided by the engaging in the corresponding guide grooves 26 and 27 guide webs 10 and 13 in the sealing ring 6 safely. If the pressure member 4 is tightened by means of the screws 3 and associated nuts 39 shown in Figure 1 in the axial direction against the receiving part 2, the wedge-shaped clamping segments 8 are moved radially inward and under pressure to bear on the outside of the annular pressure member 4 in the Aumahmeteil 2 inserted pipe end brought. Thereby, the pipe end can be sealed and held firmly in the receiving part 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Flanged Joints, Insulating Joints, And Other Joints (AREA)

Abstract

L'invention concerne un dispositif d'assemblage de tuyaux (1) comprenant une partie logement (2) en forme de manchon destinée à loger une extrémité de tuyaux, un élément de pression (4) relié, de manière à pouvoir être déplacé en direction axiale, à la partie logement (2), et un système d''étanchéité et de fixation (5) permettant la fixation étanche de l'extrémité de tuyau dans la partie logement (2), le dispositif d'étanchéité et de fixation (5) étant disposé entre la partie logement (2) et l'élément de pression (4) et comprenant une bague d'étanchéité (6) et une bague de serrage (7) composée de plusieurs segments de serrage mobiles radialement. Selon l'invention, la bague d'étanchéité (6) comporte, sur sa face intérieure, des écarteurs espacés les uns des autres s'engageant dans des évidements présents sur les segments de serrage (8).
PCT/EP2015/071664 2014-10-15 2015-09-22 Dispositif d'assemblage de tuyaux WO2016058791A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014114959.9 2014-10-15
DE102014114959.9A DE102014114959A1 (de) 2014-10-15 2014-10-15 Rohrverbindungsvorrichtung

Publications (1)

Publication Number Publication Date
WO2016058791A1 true WO2016058791A1 (fr) 2016-04-21

Family

ID=54151279

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/071664 WO2016058791A1 (fr) 2014-10-15 2015-09-22 Dispositif d'assemblage de tuyaux

Country Status (2)

Country Link
DE (1) DE102014114959A1 (fr)
WO (1) WO2016058791A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT524050B1 (de) * 2020-12-15 2022-02-15 E Hawle Armaturenwerke Gmbh Rohrverbindungsvorrichtung mit einem Sicherungskeil und einem Bremselement

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1292792B1 (fr) * 2000-06-13 2008-04-02 Crane Limited Dispositif servant a accoupler une canalisation
WO2010114366A2 (fr) * 2009-03-30 2010-10-07 Georg Fischer Waga N.V. Dispositif de couplage
WO2013041491A1 (fr) * 2011-09-19 2013-03-28 E. Hawle Armaturenwerke Gmbh Dispositif de raccordement tubulaire et procédé de fabrication correspondant
WO2014090667A1 (fr) * 2012-12-10 2014-06-19 Georg Fischer Waga N.V. Dispositif d'accouplement pour un tube
WO2014102045A1 (fr) * 2012-12-24 2014-07-03 Georg Fischer Waga N.V. Dispositif de couplage pour s'accoupler à un tube

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7410174B2 (en) * 2004-03-04 2008-08-12 S & B Technical Products, Inc. Restraining mechanical joint gasket for ductile iron pipe
US7354073B2 (en) * 2004-03-30 2008-04-08 Waterworks Technology Development Organization, Co., Ltd. Pipe joint

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1292792B1 (fr) * 2000-06-13 2008-04-02 Crane Limited Dispositif servant a accoupler une canalisation
WO2010114366A2 (fr) * 2009-03-30 2010-10-07 Georg Fischer Waga N.V. Dispositif de couplage
WO2013041491A1 (fr) * 2011-09-19 2013-03-28 E. Hawle Armaturenwerke Gmbh Dispositif de raccordement tubulaire et procédé de fabrication correspondant
WO2014090667A1 (fr) * 2012-12-10 2014-06-19 Georg Fischer Waga N.V. Dispositif d'accouplement pour un tube
WO2014102045A1 (fr) * 2012-12-24 2014-07-03 Georg Fischer Waga N.V. Dispositif de couplage pour s'accoupler à un tube

Also Published As

Publication number Publication date
DE102014114959A1 (de) 2016-04-21

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