EP1781565B1 - Dispositif de verrouillage destine a un couplage de connexion rapide - Google Patents

Dispositif de verrouillage destine a un couplage de connexion rapide Download PDF

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Publication number
EP1781565B1
EP1781565B1 EP05763244A EP05763244A EP1781565B1 EP 1781565 B1 EP1781565 B1 EP 1781565B1 EP 05763244 A EP05763244 A EP 05763244A EP 05763244 A EP05763244 A EP 05763244A EP 1781565 B1 EP1781565 B1 EP 1781565B1
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EP
European Patent Office
Prior art keywords
lever
locking
quick
locking device
hand
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.)
Active
Application number
EP05763244A
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German (de)
English (en)
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EP1781565A1 (fr
Inventor
Erwin Weh
Wolfgang Weh
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Individual
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Individual
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Publication of EP1781565B1 publication Critical patent/EP1781565B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/42—Filling nozzles
    • B67D7/44—Filling nozzles automatically closing
    • B67D7/50—Filling nozzles automatically closing and provided with an additional hand lever
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0376—Dispensing pistols

Definitions

  • the invention relates to a locking device for a quick-connect coupling according to the preamble features of claim 1 and as shown in DE 1185938 B known.
  • the applicant also shows a quick-connect coupling, wherein a plurality of valves are provided to ensure a secure connection until the complete production of the compound.
  • These valves are switched after applying the quick-connect coupling in a certain predetermined order, first the exhaust valve is opened, then upon further movement of a control lever as an actuator, the collets are closed and finally the inlet valve is opened.
  • the power requirement is still relatively high, which also applies to the locking and unlocking.
  • this creates a secure connection option the handling of this clutch is still getting used to, especially for gas station customers who expect a conventional fuel nozzle, since in addition to attaching the clutch, the actuation of the control lever is required, so that a one-handed operation is hardly possible.
  • the invention has for its object to provide a locking device for a quick-connect coupling of the type mentioned above, which allows a simple, safe and very simple and power-saving handling with a simple structure.
  • the proposed locking device is characterized by a particularly simple operation, which is also very safe.
  • the connection or the release of the quick-release coupling with a corresponding unlocking similar to a usual petrol refueling nozzle is performed, namely by simple manual one-handed operation.
  • This is particularly important for reasons of market acceptance of natural gas filling stations, because customers have virtually no need to change to unlock this coupling after the filling process and uncouple.
  • the proposed locking device is suitable for various connections or nipples. By integrated into the handrail release lever, which acts on the similarly designed locking lever at the end of the hand lever, a power-saving and secure release is achieved in a kind of one-handed operation.
  • the operator need not or hardly be implemented when one or preferably two pins abkragen laterally from the release lever.
  • the unlocking of the locking element for both right and left-handed is readily possible.
  • the hand lever of nozzles is known per se, so that in a simple manner, a safe and fast one-handed operation of the quick-connect coupling is made possible, the tanker of the operation is basically known.
  • Fig. 1 is an embodiment of a quick connector 10 for connection to a nipple 30 (see. Fig. 2 ).
  • the quick connector 10 has a tubular, cranked housing 11 or interconnected housing parts, in which case the right side serves as an inlet 12 and the left side as an outlet 13 for the forwarding of the fluid to be transferred to the connection nipple 30.
  • the inlet 12 to the housing 11 has a Connection adapter 14, which can be connected to a hose or a pipe for supplying the fluid to be transferred.
  • the connection adapter 14 can be designed in this case in adaptation to the fluid to be transferred, in particular to the respective desired feed angle, passage cross sections, etc.
  • connection adapter 14 On the opposite end of the connection adapter 14, namely the outlet 13, a plurality of tube-shaped, elongated collets 15 are preferably provided as locking elements (see. Fig. 2 ), which are spread radially outwards just before plugging onto the connecting nipple 30, as is shown for example in US Pat WO-A-93/20378 the applicant is shown.
  • the elongated collets 15, generally three or six, are hooked at their right end here to an annular groove 11a of the housing 11 and biased by an annular spring 16. At the here left end on the inwardly cranked surface, the collets 15 each adapted to the connection nipple 30 engagement profiles 17.
  • a sliding sleeve 18 which is mounted on the cylindrical outer surface of the housing 11 in the manner of a rotary feedthrough and can be axially advanced with an actuator 1 in the direction of the connecting nipple 30, as will be described below.
  • the sliding sleeve 18 in this case has an extension 20 which allows the actuator 1 in the central region of the quick connector 10 toward the axial displacement of the sliding sleeve 18, whereby the collets 15 are locked in the connection position.
  • a sealing piston 22 is guided on the inner surface of the housing 11 located towards the outlet 13. This is sealed with a plurality of sealing rings 24 used at the front end of the housing 11 so that the gaseous and / or liquid fluid flowing along the central axis of the quick-connect coupling 10 can not escape to the outside.
  • exhaust valve 25 Of importance is also a centrally mounted in the housing 11 exhaust valve 25.
  • the outlet valve 25 is in this case acted upon by a compression spring 28 which is guided in the housing 11.
  • the outlet valve 25 ensures that until shortly before the Connection of the quick connector 10 to the nipple 30 the fluid supplied through the connection adapter 14 can not escape even when the connection tap on the refueling system is open.
  • the outlet valve 25 is axially displaced when plugging the quick connector 10 on the connecting nipple 30 from the sealing piston 22 and in this case the exhaust valve 25 is opened. In this case, however, an inlet valve 35 of the quick-connect coupling 10 is still closed, which is then opened only in the further sequence by the actuating device 1 or an associated slide 41, as described below.
  • a sliding ring 40 is also guided, which is acted upon by a lever mechanism 42, which also controls the above-mentioned slider 41.
  • the lever mechanism 42 includes a hand lever 50 (within a hand strap 45) which engages after pulling up or pivoting about the axis 51 in the position shown here with a locking lever 44 at the end of the hand lever 50 on the hand strap 45.
  • a locking in the form of a locking bolt 44 ' is provided to lock the hand lever 50 in this locked refueling position.
  • the in 3 and 4 is shown enlarged.
  • Fig. 3 is the end portion of the hand lever 50 shown enlarged, on which the locking lever 44 is pivotally mounted and when pulling up under spring pressure on the locking bolt 44 'engages.
  • the angle-shaped unlocking lever 46 is renewably mounted, namely on the upper leg of a clamp 49 (cf. Fig. 4 ).
  • two pins 47 are provided, on which the release lever 46 (by grasping with two fingers or only by pressure with a finger / thumb) can be pivoted clockwise.
  • the release lever 46 by grasping with two fingers or only by pressure with a finger / thumb
  • the hand lever 50 can be pivoted within the hand bracket 45 down to finally remove the clutch 10.
  • the release lever 46 is mounted on the pins 47 and conveniently protected in the handrail 45 and space-saving integrated therein.
  • the above-mentioned bracket 49 fulfills a dual purpose, namely on the one hand, the storage of the unlocking lever 46 and on the other the formation of the locking bolt 44 ', on which the locking lever 44 engages when pulling the hand lever and thus locks the lever mechanism.
  • the laterally slightly projecting pins 47 are well protected in the transition region from the handrail 45 to the handle or its casing 80, but still reach well from the fingers on the casing 80, so that the release lever 46 can be pivoted in the manner of a one-hand operation, at the end of the refueling process to release the lock 44/44 '.
  • Fig. 2 serves the slide 41 is not only provided for the controlled opening of the inlet valve 35, but also for actuating a vent valve arranged therebetween 60.
  • This venting valve 60 which is likewise co-actuated by the slide 41, also facilitates the uncoupling, as a result of which a defined pressure reduction can take place.
  • this can not only be angled or bent as in this case, but also bent or straight, provided that with these dimensions of the release lever 46, the essential force translation of the manual force (at the pin 47) is achieved to the Lock lever 44 with the least possible effort to bring out of the locking engagement. So wedge surfaces or ramps can be beneficial to achieve a large power transmission.
  • This translation is also influenced by the lengths of the levers on the release lever 46 (distance between pivot point and tapping point) to release the quick release coupling 10 and thus returning to the connection position the locking lever 44 at the end of the hand lever 50 as effortlessly release from the locking engagement.
  • the hand lever 50 down towards
  • the sliding sleeve 18 is withdrawn.
  • the collets 15 can again radially outward spread open to let follow the sliding ring 40 axially to the right here.
  • the exhaust valve 25 is also closed in the manner of a sequential control.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Lock And Its Accessories (AREA)

Claims (5)

  1. Dispositif de verrouillage pour un couplage de connexion rapide destiné au transfert de fluides gazeux et/ou liquides, notamment au ravitaillement de véhicules en gaz, comportant un levier manuel d'actionnement de vanne et un élément de verrouillage qui est monté en position terminale sur ledit levier et qui est enclenché sur une anse de poignée en position de ravitaillement, sachant qu'un levier de déverrouillage (46), qui est monté à pivotement sur l'anse de poignée (45), est prévu au voisinage de la région terminale du levier manuel (50),
    caractérisé en ce que le levier de déverrouillage (46) comporte au moins un et de préférence deux pivots (47) faisant saillie latéralement, qui sont disposés à l'intérieur de l'anse de poignée (45).
  2. Dispositif de verrouillage selon la revendication 1, caractérisé en ce que l'élément de verrouillage terminal sur le levier manuel (50) présente un levier de verrouillage (44) qui peut être enclenché sur un boulon d'arrêt (44') sur l'anse de poignée (45).
  3. Dispositif de verrouillage selon la revendication 1 ou 2, caractérisé en ce que le levier de déverrouillage (46) est réalisé sous forme de levier angulaire coudé.
  4. Dispositif de verrouillage selon l'une des revendications 1 à 3, caractérisé en ce que les pivots (47) sont disposés dans la région de transition de l'anse de poignée (45) vers un enrobage (80), servant de poignée, du couplage de connexion rapide (10).
  5. Dispositif de verrouillage selon l'une des revendications 2 à 4, caractérisé en ce que le levier de déverrouillage (46) est monté à pivotement sur une branche d'une bride de fixation (49) dont l'autre branche forme le boulon d'arrêt (44') du levier de verrouillage (44).
EP05763244A 2004-07-14 2005-07-14 Dispositif de verrouillage destine a un couplage de connexion rapide Active EP1781565B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202004011088U DE202004011088U1 (de) 2004-07-14 2004-07-14 Verriegelungsvorrichtung für eine Schnellanschlusskupplung
PCT/EP2005/007670 WO2006005618A1 (fr) 2004-07-14 2005-07-14 Dispositif de verrouillage destine a un couplage de connexion rapide

Publications (2)

Publication Number Publication Date
EP1781565A1 EP1781565A1 (fr) 2007-05-09
EP1781565B1 true EP1781565B1 (fr) 2009-03-11

Family

ID=34895679

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05763244A Active EP1781565B1 (fr) 2004-07-14 2005-07-14 Dispositif de verrouillage destine a un couplage de connexion rapide

Country Status (8)

Country Link
US (1) US8061394B2 (fr)
EP (1) EP1781565B1 (fr)
JP (1) JP5135631B2 (fr)
CN (1) CN101044087B (fr)
BR (1) BRPI0513378B1 (fr)
DE (2) DE202004011088U1 (fr)
RU (1) RU2382733C2 (fr)
WO (1) WO2006005618A1 (fr)

Families Citing this family (16)

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DE202005011557U1 (de) * 2005-07-22 2005-09-29 Hammelmann Maschinenfabrik Gmbh Hochdruckspritzpistole
DE202007018142U1 (de) * 2007-12-22 2009-03-05 Weh, Erwin Kupplung, insbesondere für LNG
FR2962520B1 (fr) * 2010-07-09 2013-07-26 Air Liquide Prise de conditionnement, son utilisation et procede de remplissage
US9534735B2 (en) 2011-11-23 2017-01-03 Husky Corporation Pressure-locking nozzle for dispensing gaseous fluid
EP3110742B1 (fr) * 2014-02-26 2017-08-02 Identic AB Dispositif de distribution
CA2982830A1 (fr) 2015-04-24 2016-10-27 Cmd Corporation Procede et appareil servant a des fins de distribution de carburant gazeux a un vehicule
JP6034462B1 (ja) * 2015-09-28 2016-11-30 株式会社タカギ ノズルガンおよびレバーロック機構
CN109734040B (zh) * 2019-01-11 2024-06-11 苏州三米格科技有限公司 加油枪及加油设备
USD893676S1 (en) 2019-05-20 2020-08-18 Gilbarco Inc. Fuel dispenser nozzle
USD898869S1 (en) 2019-05-20 2020-10-13 Gilbarco Inc. Fuel dispenser nozzle
US11078068B2 (en) 2019-05-20 2021-08-03 Gilbarco Inc. Fuel dispensing nozzle having single-handed hold open mechanism
CN110294450B (zh) * 2019-07-09 2020-03-17 福清市茂顺包装有限公司 一种金属储油罐口卸料油管辅助固定装置
DK3767153T3 (da) * 2019-07-16 2021-12-06 Oasis Eng Ltd Påfyldningsmundstykke til gasformigt eller fortættet brændstof med forhaling mellem kobling og aktivering
CA3150528A1 (fr) * 2019-09-18 2021-03-25 Ulrich Meyer Pistolet distribueur dote d'un levier de commande blocable
CN110713162B (zh) * 2019-09-23 2021-03-16 南京信息工程大学 一种无人船自主加油装置
CN114852944A (zh) * 2022-05-24 2022-08-05 成都圭目机器人有限公司 一种用于无人车加油的油枪专用抓手

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US3273609A (en) * 1966-09-20 Dispensing nozzle hold-open catch
US2083078A (en) * 1935-04-20 1937-06-08 Frank V Mayo Automatic shut-off for gasoline dispensing nozzles
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US2686626A (en) * 1951-10-29 1954-08-17 Edward J Slattery Automatic filling nozzle
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Also Published As

Publication number Publication date
BRPI0513378A (pt) 2008-05-06
EP1781565A1 (fr) 2007-05-09
RU2007105504A (ru) 2008-08-20
RU2382733C2 (ru) 2010-02-27
CN101044087B (zh) 2011-08-03
BRPI0513378B1 (pt) 2018-02-14
DE502005006832D1 (de) 2009-04-23
US20080223486A1 (en) 2008-09-18
JP5135631B2 (ja) 2013-02-06
DE202004011088U1 (de) 2005-08-25
US8061394B2 (en) 2011-11-22
WO2006005618A1 (fr) 2006-01-19
JP2008506896A (ja) 2008-03-06
CN101044087A (zh) 2007-09-26

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