EP3272704B1 - Robinet ayant un joint de dilatation amélioré - Google Patents
Robinet ayant un joint de dilatation amélioré Download PDFInfo
- Publication number
- EP3272704B1 EP3272704B1 EP17182165.5A EP17182165A EP3272704B1 EP 3272704 B1 EP3272704 B1 EP 3272704B1 EP 17182165 A EP17182165 A EP 17182165A EP 3272704 B1 EP3272704 B1 EP 3272704B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- compensator
- tap
- groove
- adjusting unit
- longitudinal axis
- 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.)
- Not-in-force
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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
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/08—Details
- B67D1/12—Flow or pressure control devices or systems, e.g. valves, gas pressure control, level control in storage containers
- B67D1/14—Reducing valves or control taps
- B67D1/1405—Control taps
- B67D1/1411—Means for controlling the build-up of foam in the container to be filled
- B67D1/1422—Means for controlling the build-up of foam in the container to be filled comprising foam avoiding means
Definitions
- the invention relates to a tap for dispensing beverages, in particular for dispensing carbonated beverages such as beers, with a valve body and a spout having nozzle body, a releasably connectable to the tap body mounting sleeve which defines a flow chamber for flow of the beverage in the direction of the spout, wherein the flow chamber has a portion that tapers counter to the direction of flow of the beverage, a compensator inserted into the flow chamber that has a portion that tapers counter to the direction of flow of the beverage, and an adjusting unit mounted on the nozzle body for axial displacement of the compensator.
- Taps with compensators are known in various designs from the prior art and allow adaptation of the tap to the beer to be tapped, in particular to a beer to be tapped.
- the compensator is mounted axially displaceable in the flow chamber of the tap.
- the flow cross-section of the nozzle can be adapted to the beverage to be tapped, whereby a controlled pressure drop of the beverage can be guaranteed to ambient pressure. Because a sudden drop in pressure to ambient pressure would release too much carbon dioxide, causing the drink to foam very strong and taste stale.
- the compensator regularly has a conical end located in a conical portion of the flow chamber to reduce the flow area of a flow chamber.
- the flow cross-section in the tap can be changed by means of the axially displaceable compensator. For example, if too low a pressure at the tap, which may not be less than the saturation pressure of the beer keg, then by a displacement of the compensator from the inlet of the flow chamber towards the outlet spout and thus causing an enlargement of the flow cross-section of the flow of the outlet spout Increase flowing drink.
- Another important aspect is the disassembly and assembly of a beverage tap for cleaning purposes.
- the regular, especially daily cleaning of parts of drinks dispensers in alternation with beverage and air is prescribed in various national regulations. Because, especially during breaks, beverage dispensing systems can provide an ideal breeding ground for bacteria. Therefore, a regular cleaning, especially the inner surfaces of the tap is necessary to prevent the deposition of beer sludge and other contaminants.
- the tap should be as easy to disassemble and dismantle and also be as easy to assemble and assemble.
- From the DE 34 26 026 A1 is a tap known whose in a connecting piece partially protruding compensator is axially adjustable by means of an adjusting lever.
- the adjusting lever is for this purpose provided with a pinion which engages in a formed on a slot of the compensator rack and thus allows its axial displacement.
- the in the DE 34 26 026 A1 The disclosed construction of the compensator is relatively expensive to manufacture and due to the numerous Edges of the rack and pinion mechanism difficult to clean.
- the connection of the pinion with the rack requires a certain amount of skill, since for this purpose the rack must be aligned very precisely with respect to the pinion or its axis of rotation.
- the EP 1 238 941 A1 discloses a tap with a compensator, which also partially in a connecting piece (also called mounting sleeve) protrudes and is axially displaceable by means of an adjusting unit.
- the adjusting unit has a rotary lever with a projecting, eccentrically arranged to the axis of rotation pin, wherein the pin is coupled to a formed in the compensator radial bore.
- the present invention seeks to provide a nozzle of the type mentioned above, which is very easy to clean and after its disassembly and disassembly for cleaning easy and quick to assemble and assemble.
- a conical compensator or a compensator having a conical portion can be understood.
- the compensator can form a cone or have a conical section, while the flow chamber for accommodating the compensator forms a flow channel which is substantially conical or has a conically shaped section.
- the taper of the compensator as well the taper of the flow chamber are preferably formed substantially rotationally symmetrical.
- the tap according to the invention is characterized in that its compensator and the adjusting unit for axial displacement of the compensator are designed such that the compensator can be coupled via an axial movement and a subsequent rotation form-fitting with the already mounted on the tap body adjusting unit.
- the compensator can thus be easily dismantled and then also very easily re-assembled. To disassemble the compensator this must be rotated by loosening the tap body of the mounting sleeve only to a certain position and can then be pulled axially out of the tap body.
- the adjusting unit is attached, for example by means of a union nut, preferably a knurled union nut to a threaded neck of the nozzle body and can subsequently be dismantled or unscrewed.
- the adjusting unit is attached to the tap body. Subsequently, the compensator is pushed axially into the tap body and then by an angular or radian measure, which in a certain range, e.g. in the range of about 45 ° to about 270 °, preferably in the range of about 90 ° to about 180 °, rotated, whereby the compensator is positively connected to the adjusting unit.
- the adjusting unit has a rotary body with a pin which can be positively coupled to the compensator, wherein the axis of rotation of the rotary body extends transversely to the longitudinal axis of the flow chamber, and wherein the pin is arranged radially offset from the axis of rotation of the rotary body.
- the compensator in its lateral surface on a transverse to its longitudinal axis groove into which engages the pin of the rotating body in the coupled state of compensator and adjusting, wherein in the lateral surface of the compensator, a recess or axial groove is formed, which extends from the transverse to the longitudinal axis extending groove up to the valve body facing the end face of the compensator. Due to the transverse to the longitudinal axis of the compensator groove defining a driving surface, the compensator can be moved axially by means of the adjusting unit.
- the recess or axial groove which extends from the transverse to the longitudinal axis groove up to the valve body facing the end face, allows a particularly simple assembly and disassembly of the compensator.
- the compensator can be pushed axially into the tap body when the adjusting unit is already mounted. If the recess or axial groove during insertion of the compensator is not immediately aligned with the pin of the rotary body of the adjusting unit, the compensator must only be rotated until the recess or axial groove engages the pin. When or as soon as the pin is in register with the recess or axial groove, the compensator can be further axially inserted into the nozzle body until the transverse to the longitudinal axis groove limits the axial movement. Now, the compensator only needs to be an angular or radian measure, e.g. in the range of 45 ° to 270 °, are rotated, whereby the compensator is positively connected to the adjusting unit.
- the groove extending transversely to the longitudinal axis of the compensator extends from the recess or axial groove in only one circumferential direction or in both circumferential directions of the compensator.
- the direction of rotation of the compensator plays no role in its assembly, since the compensator can be rotated in both directions after the axial insertion into the nozzle body to positively connect it with the already mounted adjustment.
- the extension of the groove in only one circumferential direction of the Compensator may be easier to dismantle the compensator, as it can be perceived faster if the recess (axial groove) is aligned with the pin and the compensator is releasable by an axial movement of the adjusting element.
- the groove extending transversely to the longitudinal axis of the compensator extends over at least 90 °, preferably over at least 180 °, particularly preferably over 360 °, of the circumference of the compensator.
- the groove can be made relatively inexpensive.
- the groove can be cleaned quickly and easily as an annular groove.
- a particularly reliable positive locking can be achieved by rotation of the compensator by about 180 °, so that the compensator does not detach from the pin of the adjusting unit even at high beverage pressure.
- the compensator has a plastic coating. Chlorinated plastics, in particular polytetrafluoroethylene (PTFE), have proved to be particularly suitable in this context. Since appropriate deposits should also be avoided at the flow chamber, alternatively or additionally, the flow chamber can be internally coated with a plastic, preferably of the aforementioned type. In addition, if the sealing surfaces of the compensator and / or the flow chamber are formed by a plastic, by a certain elasticity of the plastic, the reliability of the seal can be increased.
- PTFE polytetrafluoroethylene
- the compensator can basically be made completely from a plastic.
- the compensator of the tap according to the invention but also, for reasons of dimensional stability, at least in its core of a metal such as stainless steel may be formed.
- a metal such as stainless steel
- stainless steel is particularly preferred, because the compensator in this case very quickly the temperature of the drink and less prone to heat the drink when tapping.
- the housing of the tap is at least partially made of metal.
- a further preferred embodiment of the dispensing tap according to the invention provides that the portion of the compensator facing the valve body, in which portion the groove extending transversely to the longitudinal axis of the compensator is arranged and which has an axial extent of at least 4 mm, is made of metal, preferably stainless steel , And that the opposite to the flow direction of the beverage tapered portion of the compensator made of plastic, preferably made of a chlorinated plastic, in particular polytetrafluoroethylene (PTFE).
- PTFE polytetrafluoroethylene
- valve body facing portion of the compensator in particular the transverse to the longitudinal axis of the compensator groove and the recess (axial groove) are mechanically stressed during adjustment of the compensator and during disassembly and assembly of the compensator. Therefore, for this section of the compensator, a fabrication of metal, e.g. Stainless steel preferred.
- the compensator has a plurality of spacers distributed over its circumference, via which it is held in the assembled state in the flow chamber, that it is secured against rotation.
- the spacers are arranged distributed uniformly over the circumference of the compensator.
- the spacers are particularly preferably arranged on at least two axially spaced locations of the compensator on the lateral surface thereof.
- the adjusting unit has a lever by means of which the adjusting unit can be actuated. With the lever, the compensator can be moved axially in the assembled state in an easy way and with fine adjustment, so that the tap can be optimally adapted to the beverage to be tapped.
- Fig. 1 is a tap for tapping drinks, in particular for taping carbonated beverages such as beer represented.
- the tap is made up of several separately manufactured parts. It comprises a tap body 2, which has a valve body (not shown) and a discharge spout 6, a compensator 10, an adjusting unit 12 for axially displacing the compensator 10, a mounting sleeve 8 releasably connected to the spigot body 2 and an operating element 22 for actuating the valve body ,
- the mounting sleeve 8 defines a flow chamber for the flow of the beverage in the direction of the spout 6.
- the flow chamber has a counter to the direction of flow of the beverage tapered portion.
- the compensator 10 inserted into the flow chamber has a section 10.1 tapering counter to the flow direction of the beverage. At the tapered portion of the flow chamber and the compensator 10 is followed by a substantially cylindrical portion in the flow direction. On the substantially cylindrical portion 10.2 of the compensator 10 a plurality of spaced around its circumference arranged spacers 24 are provided.
- the adjusting unit 12 has a rotary body 14, which is rotatably mounted in a threaded neck 3 formed on the tap body 2.
- a pin 16 which can be positively coupled with the compensator 10 and which is arranged radially offset from the axis of rotation of the rotary body 14 and extends transversely to the longitudinal axis of the compensator 10 in the mounted state of the tap (cf. FIGS. 2 to 4 ).
- the pin 16 may also be referred to as eccentric pin.
- the compensator 10 has in its lateral surface a transverse to its longitudinal axis groove 18, in which engages the pin 16 of the rotary body 14 in the coupled state, so that upon rotation of the rotary body 14 of the compensator 10 is axially displaced.
- the groove 18 is preferably formed as an annular groove.
- the positive coupling of the compensator 10 with the pin 16 of the adjusting unit 12 can be made particularly simple, an axial groove or recess 20 is formed in the lateral surface of the compensator 10, extending from the transverse to the longitudinal axis groove 18 up to the Valve body 4 facing end face of the compensator 10 extends.
- the axial groove or recess 20 allows a positive coupling of the compensator 10 with the pin 16 of the adjusting unit 12, even if the adjusting unit 12 is already mounted on the nozzle body 2. Because of the recess 20, the pin 16 of the already mounted adjustment unit 12 in the transverse to the longitudinal axis groove 18 of the compensator 10 can pass.
- the compensator 10 By a subsequent rotation of the compensator 10, preferably a rotation in the range of 90 ° to 270 °, particularly preferably a rotation of approximately 180 °, the compensator 10 can be secured axially.
- An unintentional decoupling of the compensator 10 from the adjusting unit 12 can be practically ruled out, since the compensator 10 is preferably arranged in the assembled state of the nozzle, without radial clearance in the mounting sleeve 8.
- the spacers 24 distributed over the circumference of the compensator 10 are preferably dimensioned for this purpose so that they cause a slight or small interference fit between the compensator 10 and the mounting sleeve 8.
- FIGS. 2 to 4 show a further embodiment of a tap according to the invention, but without mounting sleeve 8. This embodiment distinguishes away from the in Fig. 1 illustrated embodiment substantially only in terms of the shape of the spacer 24 of the compensator 10th
- the adjusting unit 12 is shown more clearly with the rotary body 14.
- the pin 16 of the rotary body 14, which can be positively coupled with the compensator 10 can be seen, which is arranged radially offset from the axis of rotation of the rotary body 14.
- the adjusting unit 12 is mounted by means of a union nut (knurled nut) 7 on the threaded connector 3 of the tap body 2.
- the pin 16 then projects radially into the flow chamber.
- the groove 18 of the compensator 10 extending transversely to the longitudinal axis is brought into engagement with the pin 16 of the adjusting unit 12 via the axial groove or recess 20.
- the compensator 10 can then be further inserted into the nozzle body 2 until the pin 16 strikes the trailing edge of the groove 18. Then, the compensator 10 can be coupled to the adjusting unit 12 by a rotation in which the pin 16 is guided by the groove 18 of the compensator 10.
- the compensator 10 is already in engagement with the adjusting unit 12, wherein the compensator 10 has not yet been rotated.
- the pin 16 is already behind the axial groove or recess 20 and in engagement with the groove 18. After rotation of the compensator 10 can be axially displaced over a rotation of the adjusting unit 12 of the compensator 10. This is achieved by rotation of the rotary body 14 and the associated movement of the eccentrically arranged pin 16.
- FIG. 5 another embodiment of a compensator 10 according to the invention is shown.
- This compensator 10 has arranged distributed over its circumference Spacer 24, wherein the spacers 24 lie on two axially spaced apart pitch circles.
- Fig. 6 are three different embodiments of the in Fig. 5 shown compensator 10, namely its transverse to its longitudinal axis groove 18, along the illustrated section line AA, BB and CC shown.
- the Fig. 6 extends the groove 18a, starting from the axial groove or recess 20 in both circumferential directions of the compensator 10. It extends over 360 ° of the circumference of the compensator 10.
- the groove 18a is thus formed in this example as an annular groove.
- the Fig. 6 extends the groove 18b, starting from the axial groove or recess 20 in turn in both circumferential directions of the compensator 10; However, it is not designed here as an annular groove, but extends over approximately 180 ° of the circumference of the compensator 10.
- the axial groove or recess 20 is approximately at the center of the radian measure of the groove 18b.
- the average CC of the Fig. 6 illustrated embodiment differs from the example shown in section BB only in that the groove 18c extends over approximately 90 ° of the circumference of the compensator 10.
Landscapes
- Devices For Dispensing Beverages (AREA)
Claims (10)
- Robinet distributeur pour la distribution de boissons, en particulier pour la distribution de boissons gazeuses comme des bières, ledit robinet distributeur comprenant un corps de robinet distributeur (2) présentant un corps de soupape (4) et un bec de sortie de liquide (6), comprenant une douille de montage (8) pouvant être assemblée de façon amovible avec le corps (2) du robinet distributeur, douille de montage qui définit une chambre d'écoulement servant à l'écoulement de la boisson en direction du bec de sortie de liquide (6), où la chambre d'écoulement présente une partie allant en diminuant dans le sens opposé à la direction d'écoulement de la boisson, comprenant un compensateur (10) inséré dans la chambre d'écoulement, compensateur qui présente une partie allant en diminuant dans le sens opposé à la direction d'écoulement de la boisson, et comprenant une unité de réglage (12) montée sur le corps (2) du robinet distributeur et servant au déplacement axial du compensateur (10),
caractérisé en ce que l'unité de réglage (12) et le compensateur (10) sont conçus de manière telle, que le compensateur (10), par un mouvement axial et par une rotation du comparateur (10) se produisant ensuite, puisse être couplé, par complémentarité de forme, à l'unité de réglage (12) déjà montée sur le corps (2) du robinet distributeur. - Robinet distributeur selon la revendication 1, caractérisé en ce que l'unité de réglage (12) présente un corps rotatif (14) comprenant une goupille (16) pouvant être couplée au compensateur (10), par complémentarité de forme, où l'axe de rotation du corps rotatif (14) s'étend de façon transversale par rapport à l'axe longitudinal de la chambre d'écoulement, et où la goupille (16) est disposée en étant décalée dans le sens radial, par rapport à l'axe de rotation du corps rotatif (14).
- Robinet distributeur selon la revendication 2, caractérisé en ce que le compensateur (10) présente, dans sa surface latérale, une rainure (18) s'étendant de façon transversale par rapport à l'axe longitudinal dudit compensateur, rainure dans laquelle s'engage la goupille (16) du corps rotatif (14) quand le compensateur (10) et l'unité de réglage (12) sont à l'état couplé, où un évidement (20) ou rainure axiale est configuré(e) dans la surface latérale du compensateur (10), évidement ou rainure axiale qui s'étend depuis la rainure (18) s'étendant de façon transversale par rapport à l'axe longitudinal, jusqu'au côté frontal du compensateur (10), tourné vers le corps de soupape (4).
- Robinet distributeur selon la revendication 3, caractérisé en ce que la rainure (18) s'étendant de façon transversale par rapport à l'axe longitudinal du compensateur (10) s'étend, à partir de l'évidement (20) ou rainure axiale, seulement dans une direction circonférentielle ou bien dans les deux directions circonférentielles du compensateur (10).
- Robinet distributeur selon la revendication 3 ou 4, caractérisé en ce que la rainure (18) s'étendant de façon transversale par rapport à l'axe longitudinal du compensateur (10) s'étend sur au moins 90°, de préférence sur au moins 180°, de façon particulièrement préférable sur 360° de la circonférence du compensateur (10).
- Robinet distributeur selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le compensateur (10) présente au moins partiellement un revêtement en matière plastique, ledit revêtement se composant de préférence d'une matière plastique chlorée, en particulier de polytétrafluoroéthylène (PTFE).
- Robinet distributeur selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'au moins une partie centrale du compensateur (10) est fabriquée en acier spécial ou en matière plastique.
- Robinet distributeur selon l'une quelconque des revendications 1 à 7, caractérisé en ce que la partie du compensateur (10), tournée vers le corps de soupape (4), est fabriquée en métal, de préférence en acier spécial, partie du compensateur dans laquelle est disposée la rainure (18) s'étendant de façon transversale par rapport à l'axe longitudinal du compensateur (10) et qui présente une étendue axiale au moins de 4 mm, et en ce que la partie du compensateur (10), qui va en diminuant dans le sens opposé à la direction d'écoulement de la boisson, est fabriquée en matière plastique, de préférence en se composant d'une matière plastique chlorée, en particulier de polytétrafluoroéthylène (PTFE).
- Robinet distributeur selon l'une quelconque des revendications 1 à 8, caractérisé en ce que le compensateur (10) présente plusieurs pièces d'écartement (24) disposées en étant réparties sur la circonférence dudit compensateur, pièces d'écartement grâce auxquelles ledit compensateur, quand il est monté, est maintenu dans la chambre d'écoulement, de manière telle qu'il soit protégé contre toute torsion.
- Robinet distributeur selon l'une quelconque des revendications 1 à 9, caractérisé en ce que l'unité de réglage (12) présente un levier au moyen duquel l'unité de réglage (12) peut être actionnée.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016113535.6A DE102016113535A1 (de) | 2016-07-22 | 2016-07-22 | Zapfhahn mit verbessertem Kompensator |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3272704A1 EP3272704A1 (fr) | 2018-01-24 |
EP3272704B1 true EP3272704B1 (fr) | 2018-08-29 |
Family
ID=59381198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17182165.5A Not-in-force EP3272704B1 (fr) | 2016-07-22 | 2017-07-19 | Robinet ayant un joint de dilatation amélioré |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3272704B1 (fr) |
DE (1) | DE102016113535A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2932202A1 (es) * | 2021-06-30 | 2023-01-16 | Mahou S A | Grifo dispensador de bebidas |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2924238A (en) * | 1960-02-09 | Foam control device in liquid dispensing apparatus | ||
DE3426026A1 (de) | 1984-07-14 | 1986-01-16 | H.L. Fuge, Kohlensäure-Automaten-Fabrik GmbH, 3203 Sarstedt | Zapfhahn |
DE4207390C1 (de) * | 1992-03-09 | 1993-09-09 | Cmb Kunststoff Praezisionsteile Gmbh | Zapfhahn zum Zapfen von Getränken |
ITRN20010019A1 (it) | 2001-03-05 | 2002-09-05 | Celli Spa | Compensatore perfezionato per regolare il flusso di bevande in rubinetti di erogazione. |
DE102014105554A1 (de) * | 2014-04-17 | 2015-10-22 | Cmb Schankanlagen Gmbh | Kompensatorzapfhahn |
-
2016
- 2016-07-22 DE DE102016113535.6A patent/DE102016113535A1/de not_active Withdrawn
-
2017
- 2017-07-19 EP EP17182165.5A patent/EP3272704B1/fr not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
EP3272704A1 (fr) | 2018-01-24 |
DE102016113535A1 (de) | 2018-01-25 |
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