EP0512284A2 - Dispositif de connexion d'une soupape de distribution, en particulier de l'eau chaude à un récipient - Google Patents

Dispositif de connexion d'une soupape de distribution, en particulier de l'eau chaude à un récipient Download PDF

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Publication number
EP0512284A2
EP0512284A2 EP92106409A EP92106409A EP0512284A2 EP 0512284 A2 EP0512284 A2 EP 0512284A2 EP 92106409 A EP92106409 A EP 92106409A EP 92106409 A EP92106409 A EP 92106409A EP 0512284 A2 EP0512284 A2 EP 0512284A2
Authority
EP
European Patent Office
Prior art keywords
adapter tube
opening
valve
inlet
end section
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.)
Withdrawn
Application number
EP92106409A
Other languages
German (de)
English (en)
Other versions
EP0512284A3 (en
Inventor
Heinz-Dieter Riedel
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.)
A&K Mueller GmbH and Co KG
Original Assignee
A&K Mueller GmbH and Co KG
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&K Mueller GmbH and Co KG filed Critical A&K Mueller GmbH and Co KG
Publication of EP0512284A2 publication Critical patent/EP0512284A2/fr
Publication of EP0512284A3 publication Critical patent/EP0512284A3/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B67D3/00—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • B67D3/04—Liquid-dispensing taps or cocks adapted to seal and open tapping holes of casks, e.g. for beer
    • B67D3/043—Liquid-dispensing taps or cocks adapted to seal and open tapping holes of casks, e.g. for beer with a closing element having a linear movement, in a direction perpendicular to the seat

Definitions

  • the invention relates to a device for connecting a dispensing valve to a liquid container, in particular for hot water, with an inlet nozzle arranged on the dispensing valve and sealingly guided through an opening in the wall of the liquid container.
  • Hot beverage vending machines of a known type generally have a hot water boiler for the generation and storage of the brewing water.
  • One or more dispensing valves are arranged on this hot water boiler, which are connected to the hot water boiler with their inlet connection.
  • a pipe socket is generally welded to the opening in the wall of the hot water boiler, into which by means of an elastic fitting, the inlet connection of the dispensing valve is inserted in a sealing manner and, if appropriate, is screwed to it.
  • the hot water of the hot water boiler when changing one or more dispensing valves, the hot water of the hot water boiler must be drained off at least to the level of the inlet connection. After the dispensing valves have been changed, the hot water boiler is refilled and the boiler heating-up phase must be waited for the necessary test run and, if necessary, the adjustment of the valve flow rate, so that the adjustment can be carried out at the optimal operating temperature. This process takes more or less time depending on the size of the hot water boiler and the heating output.
  • the invention has for its object to provide a device for connecting a dispensing valve to a liquid container, in particular for hot water, with the features specified above, in which a replacement of a dispensing valve is possible without the hot water needing to be drained. This is intended to achieve considerable savings in repair time and in water and energy consumption.
  • the basic idea of the invention is to insert an adapter tube piece into the opening in the wall of the liquid container, at the end portion of which protrudes into the interior of the container, a closure device is arranged which is actuated by the inlet pipe of the dispensing valve to be inserted into the adapter tube in such a way that it opens when plugged in and closes when pulled out. In this way it is possible, when changing the dispensing valve, to pull the inlet connection out of the container opening without having to drain the hot water beforehand.
  • the closure device can be designed as a check valve (claim 2).
  • the closure device is designed as a pivotable closure flap which, under the action of an elastic element, which can be designed as an elastic band which is guided around the outside of the closure flap and the inner end section of the adapter tube piece, seals from the outside onto the inlet opening on End section of the adapter tube piece rests so that it is closed in a liquid-tight manner.
  • an elastic element which can be designed as an elastic band which is guided around the outside of the closure flap and the inner end section of the adapter tube piece, seals from the outside onto the inlet opening on End section of the adapter tube piece rests so that it is closed in a liquid-tight manner.
  • the adapter tube piece designed in accordance with the further invention can consist of plastic and be subsequently inserted into a roughly tolerated opening in the wall of the liquid container and fastened in a sealing manner.
  • a very good seal is achieved due to the sealing bead which crosses the opening and which adapts to the wall thickness and all unevenness, such as stamped burrs and the like, which arises in the interior of the container with this type of fastening.
  • the adapter tube can be inserted into the opening in the wall of the liquid container in a simple manner without using tools, and the dispensing valve can also be inserted into the adapter tube together with a radial seal without using a tool. In this way, the dispensing valve can be replaced without tools.
  • Fig. 1 only part of the wall W of the hot water boiler of an automatic hot beverage machine is shown, which has an opening W1 to which an output valve is connected, which has a valve part V, a controlling magnet system M, an inlet connection Z and an outlet connection A.
  • An adapter tube piece 2 is used to connect this dispensing valve to the opening W1 in the wall W of the container.
  • This adapter tube piece has a flange 2.1 on the side with which it is inserted into the interior of the container and in the section which is to lie outside the container, an external thread 2.2 and an internal hexagon 10 for assembly.
  • a tube-like sealing sleeve 3 made of plastic is pushed onto the adapter tube piece 2 before insertion.
  • the outer diameter of the adapter tube 2, the flange 2.1 and the sealing sleeve 3 are chosen so that the adapter tube 2 with the sealing sleeve 3 pushed on can be inserted from the outside through the opening W1 in the wall W.
  • the inlet connection Z is only inserted together with a radial seal 5, without any further screwing being necessary. So that after filling the container it is possible to pull out the dispensing valve V without hot water flowing out, a closure device is arranged at the inner end of the adapter tube piece 2, which is designed as a check valve 6 in the embodiment according to FIGS. 1 and 2.
  • This check valve 6 has a valve cone 6.1 arranged in front of the inlet opening of the adapter tube piece 2 provided with a valve seat 6.2.
  • a valve tappet 6.3 connected to the valve cone 6.1 is guided coaxially into the adapter tube piece 2.
  • a second spring abutment 6.6 is arranged on the inner wall of the adapter tube 2 directly behind the valve seat 6.2.
  • a helical compression spring 6.4 which surrounds the valve tappet 6.3 and acts on the valve tappet 6.3 and thus the valve disk 6.1 with a force acting in the closing direction.
  • the spring abutment 6.5 arranged at the inner end of the valve tappet 6.3 lies opposite the end Z1 of the inlet connection Z of the dispensing valve V.
  • the valve cone 6.1 moves against the force of the helical compression spring 6.4 in the opening direction, so that in the state shown in FIG. 2 with the dispensing valve V inserted, the check valve 6 is open and the liquid can enter the dispensing valve from the container.
  • the check valve 6 closes instantaneously under the action of the spring 6.4, so that there is no significant leakage of liquid.
  • FIG. 3 to 5 another embodiment of a device for connecting the dispensing valve to the opening W1 in the wall W of the container is shown.
  • This embodiment is very simple and therefore less susceptible to malfunction and, due to its special design, guarantees that liquid discharge is almost completely avoided when the dispensing valve is pulled out.
  • the aspect ratios at the inlet nozzle Z of the discharge valve V and at the adapter tube piece 7 are selected such that when the inlet nozzle Z is inserted, its front end Z2 completely protrudes from the inlet opening of the adapter tube piece 7.
  • the closure device at the inner end 7.2 of the adapter tube 7 is designed as a closure flap 8.
  • the closure flap 8 is designed as an obliquely cut pipe socket which has a closure plate 8.1 on the side which faces the inlet opening 7.3 of the adapter tube piece 7, which is located in a correspondingly obliquely arranged plane.
  • the inlet opening 7.3 is surrounded by a ring seal 8.5.
  • the pipe socket 8.2 of the closure flap 8 is connected via pivot arms 8.3, which are guided along the side of the adapter tube piece 7, to hinge pins 8.4, which are arranged radially on the outside of the adapter tube piece 7.
  • the closure plate 8.1 can be pivoted about the pivot pin 8.4 in such a way that in the closed state shown in FIG.
  • the closing force for the closure flap 8 is generated by a closed band 9 made of rubber-elastic material, which is guided on the one hand around the top of the pipe socket 8.2 of the closure flap 8 and on the other hand around the underside of the end section 7.2 of the adapter tube piece 7, so that, as in FIG. 4, the closure flap 8 presses firmly onto the inlet opening 7.3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Cookers (AREA)
EP19920106409 1991-05-02 1992-04-14 Device for connecting a dispensing valve to a container, especially for hot water Withdrawn EP0512284A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9105421U DE9105421U1 (de) 1991-05-02 1991-05-02 Vorrichtung zum Anschluß eines Ausgabeventils an einem Flüssigkeitsbehälter, insbesondere für Heißwasser
DE9105421U 1991-05-02

Publications (2)

Publication Number Publication Date
EP0512284A2 true EP0512284A2 (fr) 1992-11-11
EP0512284A3 EP0512284A3 (en) 1993-01-20

Family

ID=6866927

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920106409 Withdrawn EP0512284A3 (en) 1991-05-02 1992-04-14 Device for connecting a dispensing valve to a container, especially for hot water

Country Status (3)

Country Link
EP (1) EP0512284A3 (fr)
DE (1) DE9105421U1 (fr)
NO (1) NO921308L (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101297143B (zh) * 2005-10-26 2011-09-07 舍伍德阀门有限责任公司 气缸阀上的可替换出口
US9988258B2 (en) 2012-04-30 2018-06-05 Liqui-Box Corporation Tube fitment for use with a valve fitment for dispensing fluids

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3592219A (en) * 1969-05-05 1971-07-13 Tomlinson Ind Inc Cam-operated valve with scraping vanes
WO1990014014A1 (fr) * 1989-05-16 1990-11-29 Food Equipment Technologies Company, Inc. Procede et dispositif de preparation semi-automatique de boissons

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3592219A (en) * 1969-05-05 1971-07-13 Tomlinson Ind Inc Cam-operated valve with scraping vanes
WO1990014014A1 (fr) * 1989-05-16 1990-11-29 Food Equipment Technologies Company, Inc. Procede et dispositif de preparation semi-automatique de boissons

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101297143B (zh) * 2005-10-26 2011-09-07 舍伍德阀门有限责任公司 气缸阀上的可替换出口
US9988258B2 (en) 2012-04-30 2018-06-05 Liqui-Box Corporation Tube fitment for use with a valve fitment for dispensing fluids

Also Published As

Publication number Publication date
NO921308D0 (no) 1992-04-03
EP0512284A3 (en) 1993-01-20
NO921308L (no) 1992-11-03
DE9105421U1 (de) 1991-08-22

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