WO2011042201A1 - Boulon de raccordement pour un accouplement enfichable - Google Patents

Boulon de raccordement pour un accouplement enfichable Download PDF

Info

Publication number
WO2011042201A1
WO2011042201A1 PCT/EP2010/006173 EP2010006173W WO2011042201A1 WO 2011042201 A1 WO2011042201 A1 WO 2011042201A1 EP 2010006173 W EP2010006173 W EP 2010006173W WO 2011042201 A1 WO2011042201 A1 WO 2011042201A1
Authority
WO
WIPO (PCT)
Prior art keywords
connecting bolt
bore
bolt according
pressure
ring seals
Prior art date
Application number
PCT/EP2010/006173
Other languages
German (de)
English (en)
Inventor
Erwin Weh
Wolfgang Weh
Original Assignee
Erwin Weh
Wolfgang Weh
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 Erwin Weh, Wolfgang Weh filed Critical Erwin Weh
Priority to EP10776294A priority Critical patent/EP2486318A1/fr
Priority to CN201080056004.1A priority patent/CN102648372B/zh
Priority to BR112012008259A priority patent/BR112012008259A2/pt
Publication of WO2011042201A1 publication Critical patent/WO2011042201A1/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
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/02—Couplings of the quick-acting type in which the connection is maintained only by friction of the parts being joined
    • F16L37/025—Couplings of the quick-acting type in which the connection is maintained only by friction of the parts being joined with an inner elastic part pressed against an outer part by reason of its elasticity
    • 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
    • F16L17/00—Joints with packing adapted to sealing by fluid pressure
    • F16L17/02—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket

Definitions

  • the invention relates to a connecting bolt for a plug-in coupling, in particular for the refueling of natural gas vehicles, for the pressure-tight connection to a bore, in particular to a tank or cylinder valve of a vehicle.
  • a natural gas tank coupling of this type is known from the applicant WO 00/52378.
  • a quick-connect or plug-in coupling wherein a sealing piston is displaced inwardly at the front end of the clutch on contact with the connecting bolt, then engage collets with a corresponding engagement profile in the correspondingly formed connection profile of the connecting bolt.
  • the connecting bolt is standardized in this case according to standards for natural gas refueling (NGV), so that a large number of natural gas vehicles can be refueled at the corresponding natural gas filling stations with the plug-in coupling.
  • NSV natural gas refueling
  • connection bolt with two O-ring seals which are mounted at a distance from each other, is inserted into a suitable bore of a cylinder valve in the vehicle for refueling with 200 bar of natural gas.
  • the connecting bolt has a medium connection with an internal thread, which ends in a further bore. Between the two O-ring seals at least one flow bore is mounted transversely to the central axis, which then the flow of the medium over the
  • Sealing change (often such is required after about 50 refueling) can also create a dangerous situation, namely that in extreme cases, the connecting bolt is ejected.
  • the invention has for its object to provide a connecting bolt, in particular, a safe refueling is feasible, the wear on the O-rings of the connecting bolt and at the same time the insertion of the plug-in coupling should be minimized.
  • the two O-ring seals are not present when inserting the connecting bolt in the bore in diameter, but are approximately flush with the lateral surface.
  • the gas is then supplied from the pressure source (eg, a natural gas filling station) and pushes the outer housing, which flows via a transverse bore in the piston-like inner housing in a pressure chamber, axially forward toward the bore.
  • the seals are compressed (axially compressed) and enlarged in effective diameter to seal in the slightly larger selected hole of the plug-in coupling.
  • the seals are held not only on the upcoming pressure in the bore, but also on the axial force of the pressure chamber in the outer housing in addition to the bore.
  • the seals are for increased safety ever a support ring to a
  • the filling line is vented and thereby released the pressure load in the axial direction through the piston-like pressure chamber again, so that the O-ring seals reset due to their elasticity.
  • the axially movable sleeve is guided exactly between the O-ring seals on the bearing journal, in particular on a ground or polished lateral surface, so that the actuating forces are particularly low. In the middle region of the diameter and / or its wall thickness is reduced, so that there is a small contact area, which further increases the ease.
  • Fig. 1 is an overview of a plug-in coupling according to the invention.
  • FIG. 2 shows a half-section A-A through a connecting bolt according to FIG. 1.
  • the illustrated connecting bolt 1 is used for pressure-tight connection to a hole 2 shown here on the left, which opens in particular in a vehicle gas tank.
  • This right End of the plug-in coupling leads to a pressure source, in particular a gas station, so that medium, in particular natural gas can be supplied at high pressure.
  • the medium flows through an inner housing 7 and a central passage (axial flow bore 3) in a bearing journal 5 screwed in, in order to pass over one or more
  • two support rings 4 ' are provided in addition to the two O-ring seals 4. These are arranged on the side each of the sleeve 6 and the flow holes 6 'incorporated therein, more distant side, ie of
  • the bearing pin 5 and the inner housing 7 is surrounded to form a pressure chamber 8 by an outer housing 9 with a handle groove 9 ', which is helpful for inserting the connecting bolt 1.
  • the pressure chamber 8 is pressurized during the filling process via a transverse bore 5 ', so that the multiply sealed inner housing 7 with the outer housing 9 forms a piston-cylinder unit.
  • the outer housing 9 is displaced relative to the inserted bearing pin 5 and thus the inner housing 7 here to the left, so that the two O-ring seals 4 are compressed in conjunction with the likewise axially movable sleeve 6 to produce the desired increase in diameter.
  • third and fourth O-ring seals 4 may be provided in the manner of a double seal. Also, the pressure chamber 8 in
  • Diameter so chosen to be larger with its effective ring piston area than the embodiment shown here with about twice the diameter as the O-ring diameter. Due to the bolted construction of the connecting bolt 1, in particular with the

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

Pour fournir un boulon de raccordement manoeuvrable pour un accouplement enfichable (1), notamment pour le remplissage fiable du réservoir de véhicules au gaz naturel, destiné à être raccordé de manière étanche à la pression à un orifice (2), notamment à une soupape de réservoir ou de bouteille d'un véhicule, deux joints d'étanchéité toriques (4) axialement espacés l'un de l'autre étant disposés sur le tourillon (5) à proximité d'au moins un orifice de passage (3, 6), il est proposé que les joints toriques d'étanchéité (4) soient soumis à une pression par un boîtier extérieur (9) axialement mobile pour leur compression axiale et l'agrandissement de leur diamètre, une douille (6) axialement mobile étant prévue entre les joints d'étanchéité toriques (4).
PCT/EP2010/006173 2009-10-09 2010-10-09 Boulon de raccordement pour un accouplement enfichable WO2011042201A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP10776294A EP2486318A1 (fr) 2009-10-09 2010-10-09 Boulon de raccordement pour un accouplement enfichable
CN201080056004.1A CN102648372B (zh) 2009-10-09 2010-10-09 用于插塞连接的连接销
BR112012008259A BR112012008259A2 (pt) 2009-10-09 2010-10-09 pino de ligação para um acoplamento de encaixe

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200920013784 DE202009013784U1 (de) 2009-10-09 2009-10-09 Anschlussbolzen für eine Steckkupplung
DE202009013784.8 2009-10-09

Publications (1)

Publication Number Publication Date
WO2011042201A1 true WO2011042201A1 (fr) 2011-04-14

Family

ID=43123216

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/006173 WO2011042201A1 (fr) 2009-10-09 2010-10-09 Boulon de raccordement pour un accouplement enfichable

Country Status (6)

Country Link
EP (1) EP2486318A1 (fr)
CN (1) CN102648372B (fr)
AR (1) AR080277A1 (fr)
BR (1) BR112012008259A2 (fr)
DE (1) DE202009013784U1 (fr)
WO (1) WO2011042201A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2694367A1 (fr) * 1992-07-29 1994-02-04 Renault Dispositif de raccordement pour circuit hydraulique.
US5556139A (en) * 1993-10-29 1996-09-17 Snap-Tite, Inc. Hydraulic coupling
WO1999006751A1 (fr) * 1997-08-02 1999-02-11 Erwin Weh Couplage de raccord rapide, en particulier pour tubes lisses
WO2000052378A1 (fr) 1999-03-01 2000-09-08 Erwin Weh Dispositif de commande notamment d'un dispositif d'accouplement a action rapide
DE102007020344A1 (de) * 2007-04-30 2008-11-06 Zf Friedrichshafen Ag Schnellanschlussanordnung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2802237Y (zh) * 2005-06-15 2006-08-02 闻长庆 可调内涨式快夹头

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2694367A1 (fr) * 1992-07-29 1994-02-04 Renault Dispositif de raccordement pour circuit hydraulique.
US5556139A (en) * 1993-10-29 1996-09-17 Snap-Tite, Inc. Hydraulic coupling
WO1999006751A1 (fr) * 1997-08-02 1999-02-11 Erwin Weh Couplage de raccord rapide, en particulier pour tubes lisses
WO2000052378A1 (fr) 1999-03-01 2000-09-08 Erwin Weh Dispositif de commande notamment d'un dispositif d'accouplement a action rapide
DE102007020344A1 (de) * 2007-04-30 2008-11-06 Zf Friedrichshafen Ag Schnellanschlussanordnung

Also Published As

Publication number Publication date
AR080277A1 (es) 2012-03-28
CN102648372A (zh) 2012-08-22
CN102648372B (zh) 2014-10-22
BR112012008259A2 (pt) 2016-03-15
EP2486318A1 (fr) 2012-08-15
DE202009013784U1 (de) 2010-11-18

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