EP0528414B1 - Device for automatically removing sponge balls from liquid conduits, especially draught beverage conduits - Google Patents
Device for automatically removing sponge balls from liquid conduits, especially draught beverage conduits Download PDFInfo
- Publication number
- EP0528414B1 EP0528414B1 EP92114139A EP92114139A EP0528414B1 EP 0528414 B1 EP0528414 B1 EP 0528414B1 EP 92114139 A EP92114139 A EP 92114139A EP 92114139 A EP92114139 A EP 92114139A EP 0528414 B1 EP0528414 B1 EP 0528414B1
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- EP
- European Patent Office
- Prior art keywords
- intermediate piece
- tap
- pipe length
- beverage
- sponge rubber
- 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.)
- Expired - Lifetime
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- 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
- B67D1/07—Cleaning beverage-dispensing apparatus
-
- 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
- B67D1/0829—Keg connection means
Definitions
- the invention relates to a device for the automatic removal of sponge rubber balls when cleaning and emptying liquid lines, in particular beverage lines from dispensing systems, an intermediate piece provided with a through-hole being arranged between the beverage line and a tap which does not fully open the passage , which has a lateral outlet opening for the sponge rubber balls and in which a piece of pipe provided with seals can be displaced in the longitudinal direction of the bore in such a way that a tight connection is formed between the tap and the beverage line in the operating state of the beverage extraction, while in the cleaning state after moving the pipe piece the front outlet opening of the pipe piece is above the outlet opening in the adapter for the removal of the sponge rubber balls is released.
- the purpose of the invention is to facilitate the operation of dispensing systems for the staff at the counter.
- DE-A-39 42 788 describes a device for cleaning and emptying liquid lines, in particular beverage lines in dispensing systems, with a slide or rotary slide valve, which consists in the fact that the cylindrical magazine for sponge rubber balls and the like is located directly on the top of a valve slide connection spigot leading to a flexible beverage line leading to the bar are arranged, the threaded connection for the cleaning water supply and the connection for the beverage supply in the lower part of the valve housing have the same distance as the two through holes in the valve slide.
- the main advantage of this device is that the sponge rubber balls separate the point of separation between the liquid, e.g. the beer, and the cleaning water, the cleaning water pushing the sponge rubber ball through the beverage line leading to the bar, where it can then be removed.
- the liquid e.g. the beer
- the cleaning water pushing the sponge rubber ball through the beverage line leading to the bar, where it can then be removed.
- This method can essentially only be carried out with those beverage taps that have a complete passage between the beverage line and the tap. But there are also taps that have a so-called “compensator” that does not completely clear the passage between the tap and the beverage line. In this case, it is not possible to remove the sponge rubber ball used for cleaning via the tap.
- the use or assignment of such a tap with compensator in beverage dispensing technology is for the purpose of reducing the strong foaming of carbonated drinks, in particular beers, for example when tapping starts again after long pauses in the morning, to prevent changes in the taste of the beverage and delays in the dispensing process.
- LU-A-66922 also describes devices for removing cleaning bodies which have been flushed into liquid lines, in particular beverage lines, and are shown in the associated figures.
- the tap is rotated about the axis of its connecting pipe in order to actuate an intermediate valve provided in the latter.
- the tap is connected to the downstream connecting pipe via a detachable bayonet mount, which enables the tap to be rotated and also pulled off its connecting pipe.
- DE-C-39 16 952 describes a "cleaning device for beverage dispensing systems" which also has at least one control valve for flushing in cleaning water and for introducing a sponge rubber ball into the beverage line and the electrical control devices required for this purpose.
- valve slide In this control device (control valve), the valve slide is designed as a cylindrical part, which is designed to be axially displaceable as well as polarly adjustable about its axis. In this way, cleaning and flushing of the beverage line to the tap as well as the beverage line leading to the beverage store (barrel) is possible.
- the dispensing tap is also assigned a device for automatically removing sponge rubber balls from beverage lines in dispensing systems.
- the invention shown here is based on this device cited at the beginning of the introduction to the description. This known device is explained in column 7 of the description, lines 25-59 and enclosed in claim 9 of this DE-C-39 16 952.
- the tap to which a manually adjustable compensator is assigned, is connected to the feeding beverage line at the rear via a continuous, tubular intermediate piece.
- An axially displaceable tube piece is arranged within this intermediate piece in the through bore of the latter.
- the axial adjustment of the pipe section takes place against the action of a coil spring which partially surrounds the latter, namely when a sponge rubber ball washed away from the beverage line lies against a tapering of the through-hole of the pipe section and thereby - under the pressure of the cleaning water supply - the sponge rubber ball together with the pipe piece against the action of the coil spring in the intermediate piece axially in the direction of the tap.
- an outlet opening is provided in its tube shell, which during the displacement movement is covered by a further outlet opening in the outer shell of the intermediate piece. This creates a connection path from the through-hole of the pipe section via the two outlet openings to the outside, so that the sponge rubber ball can be rinsed out by the flowing cleaning water to the outside of the intermediate piece.
- This removal device is pressure-dependent. Changing pressures on the beverage line when the cleaning water is supplied can therefore have an adverse effect on the functional reliability of the device.
- the adjustable compensator of the tap is also an influence here.
- the pipe section for the sponge rubber ball removal is on the one hand protected in the intermediate piece, but in the event of a malfunction - for example in the event of contamination - it is also difficult to handle or clean.
- the object of the invention is to further develop the previously cited previously known device for the automatic removal of sponge rubber balls in liquid lines, in particular beverage lines in dispensing systems according to DE-C-39 16 952, in such a way that actuation of the same is possible from outside the device due to a force external to the system.
- a device for automatically removing sponge rubber balls when cleaning and emptying liquid lines, such as beverage lines in dispensing systems or the like is proposed, in which the pipe section is longer than its guidance in the intermediate piece receiving the pipe section, and the pipe section on the side facing away from the tap protrudes from the intermediate piece and is provided there on its rear part with a detachable connection piece for a flexibly designed beverage line, and in the operating state of the device the pipe section with its front outlet opening facing the tap rests in a sealing manner in the intermediate piece on the tap, and in the cleaning state of the device, the front outlet opening of the pipe section facing the tap, after withdrawal of the latter relative to the intermediate piece in the direction of the beverage line, is released via the outlet opening in the intermediate piece for removing the sponge rubber ball.
- the connector of the flexible beverage line connected to it is connected by a union nut and a thread on the rear part of the pipe section.
- Another expedient embodiment of the invention can consist in that an O-ring seal is arranged on the tap-side end of the displaceable pipe piece, which sealingly rests in the operating state of the opening of the through-hole of the intermediate piece, and that at the connection-side end of the intermediate piece, a further O-ring seal is arranged in its through-hole, which lies sealingly against the outer jacket of the displaceable pipe piece, which has on its rear part an actuating flange and that the through-hole of the intermediate piece has an extension in the region of the outlet opening.
- the device according to the invention has the advantage that actuation by different types of power sources is possible. So manual operation of the device is initially conceivable. However, an electromotive, electromagnetic or pneumatic or hydraulic action on the device is also conceivable. The latter forms of actuation have the further advantage that controlled actuation of the device, for example in connection with a program control device which centrally controls the cleaning process, can be carried out. For example, the removal or ejection of the cleaning bodies (sponge rubber balls) can take place completely automatically by timing after the cleaning body has been automatically flushed in by the control valve. Due to the assignment of a detachable connector for the beverage line on the pipe section, a simpler assembly or disassembly of the device according to the invention is possible at the installation site.
- the device according to the invention essentially consists of an intermediate piece 1 with a through-hole 2 and an outlet opening 3 directed downwards.
- the intermediate piece 1 is inserted between the rear part 17 of the tap 4 provided with a compensator 5 and the beverage line 6.
- the beverage line 6 is pushed onto a connecting piece 7, which is fastened by means of a union nut 8 on a thread 19 to the rear part 9 of a pipe piece 10 which is displaceable within the through hole 2 of the intermediate piece 1.
- the displaceable pipe section 1o has an O-ring seal 11 in its groove on its tap-side end 18, which seals the pipe section 1o in the area mentioned.
- a further O-ring seal 12 is inserted at the connection-side end 21, which lies sealingly against the outer wall of the pipe section 1o.
- the pipe section 10 On the rear part 9, the pipe section 10 has a flange 13 for its actuation.
- the through hole 2 of the intermediate piece 1 has an extension 14 in the area of the outlet opening 3.
- the operating state shown in FIG. 1 enables the beverage to flow via the beverage line 6 through the pipe section 10 into the tap 4. If, as shown in FIG. 2, a sponge rubber ball 15 has reached the front end 20 of the intermediate piece 1 in the cleaning state, it cannot be ejected further through the tap 4, since the compensator 5 prevents this. In this case, as shown in Figure 3, the pipe section 1o is withdrawn from the front end 2o and the extension 14 of the intermediate piece 1, so that the sponge rubber ball 15 via the front outlet opening 16 of the pipe section 1o escape through the outlet opening 3 of the intermediate piece 1 and can be removed from there or fed to a magazine.
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zur automatischen Entnahme von Schwammgummikugeln beim Reinigen und Entleeren von Flüssigkeitsleitungen, insbesondere Getränkeleitungen von Zapfanlagen, wobei zwischen die Getränkeleitung und einen den Durchgang nicht vollständig freigebenden Zapfhahn ein mit dem Zapfhahn und der Getränkeleitung verbindbares, mit einer Durchbohrung versehenes Zwischenstück angeordnet ist, das eine seitliche Austrittsöffnung für die Schwammgummikugeln aufweist und in dem ein mit Abdichtungen versehenes Rohrstück derart in Bohrungslängsrichtung verschiebbar ist, daß im Betriebszustand der Getränkeentnahme eine dichte Verbindung zwischen Zapfhahn und Getränkeleitung entsteht, während im Reinigungszustand nach Verschieben des Rohrstückes die vordere Austrittsöffnung des Rohrstückes über die Austrittsöffnung im Zwischenstück zur Entnahme der Schwammgummikugeln freigegeben wird.The invention relates to a device for the automatic removal of sponge rubber balls when cleaning and emptying liquid lines, in particular beverage lines from dispensing systems, an intermediate piece provided with a through-hole being arranged between the beverage line and a tap which does not fully open the passage , which has a lateral outlet opening for the sponge rubber balls and in which a piece of pipe provided with seals can be displaced in the longitudinal direction of the bore in such a way that a tight connection is formed between the tap and the beverage line in the operating state of the beverage extraction, while in the cleaning state after moving the pipe piece the front outlet opening of the pipe piece is above the outlet opening in the adapter for the removal of the sponge rubber balls is released.
Zweck der Erfindung ist es, die Bedienung von Zapfanlagen für das Personal an der Theke zu erleichtern.The purpose of the invention is to facilitate the operation of dispensing systems for the staff at the counter.
In der DE-A-39 42 788 ist eine Vorrichtung zum Reinigen und Entleeren von Flüssigkeitsleitungen, insbesondere Getränkeleitungen in Zapfanlagen, mit einem Schieber- oder Drehschieberventil beschrieben, welche darin besteht, daß unmittelbar an der Oberseite eines Ventilschiebers das zylinderförmige Magazin für Schwammgummikugeln und der zu einer flexiblen Getränkeleitung zum Ausschank führende Anschlußstutzen angeordnet sind, wobei der Gewindeanschluß für die Reinigungswasserzufuhr und der Anschluß für die Getränkezufuhr im unteren Teil des Ventilgehäuses den gleichen Abstand wie die beiden Durchbohrungen im Ventilschieber aufweisen.DE-A-39 42 788 describes a device for cleaning and emptying liquid lines, in particular beverage lines in dispensing systems, with a slide or rotary slide valve, which consists in the fact that the cylindrical magazine for sponge rubber balls and the like is located directly on the top of a valve slide connection spigot leading to a flexible beverage line leading to the bar are arranged, the threaded connection for the cleaning water supply and the connection for the beverage supply in the lower part of the valve housing have the same distance as the two through holes in the valve slide.
Damit wird erreicht, daß in der einen Endstellung des Schiebers im Betriebszustand die beiden Durchbohrungen zur Deckung mit den beiden Anschlußstutzen im unteren Teil des Ventilgehäuses gebracht werden und im Reinigungs- bzw. Entleerungszustand der Anschluß für die Getränkezufuhr geschlossen und die zum Ausschank führende Getränkeleitung mit dem Gewindeanschluß für die Reinigungswasserzufuhr verbunden ist.This ensures that in the one end position of the slide in the operating state, the two through-holes are made to coincide with the two connecting pieces in the lower part of the valve housing and in the cleaning or emptying state, the connection for the beverage supply is closed and the beverage line leading to the dispenser is closed with the Thread connection for the cleaning water supply is connected.
Mit dieser Vorrichtung wird der wesentliche Vorteil erreicht, daß die Schwammgummikugeln die Trennstelle zwischen der Flüssigkeit, wie z.B. dem Bier, und dem Reinigungswasser bildet, wobei das Reinigungswasser die Schwammgummikugel durch die zum Ausschank führende Getränkeleitung drückt, wo sie dann entnommen werden kann.The main advantage of this device is that the sponge rubber balls separate the point of separation between the liquid, e.g. the beer, and the cleaning water, the cleaning water pushing the sponge rubber ball through the beverage line leading to the bar, where it can then be removed.
Dieses Verfahren läßt sich im wesentlichen nur bei solchen Getränkehähnen durchführen, die einen vollständigen Durchgang zwischen der Getränkeleitung und dem Zapfhahn aufweisen. Es gibt aber auch Zapfhähne, die einen sogenannten "Kompensator" aufweisen, der den Durchgang zwischen dem Zapfhahn und der Getränkeleitung nicht vollständig freigibt. In diesem Falle ist es nicht möglich, die zur Reinigung dienende Schwammgummikugel über den Zapfhahn zu entfernen.This method can essentially only be carried out with those beverage taps that have a complete passage between the beverage line and the tap. But there are also taps that have a so-called "compensator" that does not completely clear the passage between the tap and the beverage line. In this case, it is not possible to remove the sponge rubber ball used for cleaning via the tap.
Die Verwendung oder Zuordnung eines derartigen Zapfhahnes mit Kompensator in der Getränkeschanktechnik erfolgt zu dem Zweck, das starke Aufschäumen kohlensäurehaltiger Getränke, so insbesondere von Bieren, z.B. bei Zapfwiederbeginn nach langen Zapfpausen, so in den Morgenstunden, zu reduzieren, um Geschmacksveränderungen des Getränkes und Verzögerungen beim Zapfvorgang zu unterbinden.The use or assignment of such a tap with compensator in beverage dispensing technology is for the purpose of reducing the strong foaming of carbonated drinks, in particular beers, for example when tapping starts again after long pauses in the morning, to prevent changes in the taste of the beverage and delays in the dispensing process.
In der LU-A-66922 sind ebenfalls Vorrichtungen zur Entnahme von in Flüssigkeitsleitungen, insbesondere Getränkeleitungen eingespülten Reinigungskörpern beschrieben und in den zugehörigen Figuren dargestellt.LU-A-66922 also describes devices for removing cleaning bodies which have been flushed into liquid lines, in particular beverage lines, and are shown in the associated figures.
Hierbei sind (Figuren 2, 5 und 6) in den Zapfhähnen der Schankvorrichtungen Aufnahmekammern für die angespülten Reinigungskörper (Fig. 3, 4) vorgesehen, welche den Durchgang für letztere nicht vollständig freigeben und dadurch ein Ausschwemmen der Reinigungskörper in den Getränkebehälter beim Zapfen unterbinden.
Durch ein Verdrehen der Zapfhähne um die Achse ihrer Anschlußrohre wird der weitere Zufluß von unter Gasdruck stehendem Getränk nach der Aufnahmekammer für den Reinigungskörper durch eine Ventilanordnung gesperrt, so daß die Aufnahmekammer zugänglich wird und ein in diese gelangter Reinigungskörper nach Lösen einer Entnahmeschraube von Hand entnommen werden kann.
Nach Wiedereinsetzen der Entnahmeschraube und nach Rückstellung des Zapfhahnes um seine Drehachse in seine Normalposition, kann der Schankbetrieb fortgeführt werden.Here (Figures 2, 5 and 6) in the taps of the dispensing devices receiving chambers for the washed cleaning body (Fig. 3, 4) are provided, which do not completely open the passage for the latter and thereby prevent the cleaning body from washing out into the beverage container when tapping.
By turning the taps around the axis of their connecting pipes, the further inflow of beverage under gas pressure after the receiving chamber for the cleaning body is blocked by a valve arrangement, so that the receiving chamber is accessible and a cleaning body that has entered this can be removed by hand after loosening a removal screw can.
The bar operation can be continued after the removal screw has been replaced and the tap has been reset to its normal position about its axis of rotation.
Bei der Ausführungsform der Vorrichtung nach Figur 8 dieser Druckschrift ist vorgesehen, die Aufnahmekammer für den Reinigungskörper in das rückwärtige Anschlußrohr für den Zapfhahn zu verlegen und die Aufnahmekammer - nach Verdrehen des Zapfhahnes um die Achse seines Anschlußrohres - durch Abziehen des Zapfhahnes zur Entnahme des Reinigungskörpers zugänglich zu machen.In the embodiment of the device according to FIG. 8 of this document, provision is made to move the receiving chamber for the cleaning body into the rear connecting pipe for the tap and the receiving chamber - after turning the tap around the axis of its connecting pipe - is accessible by removing the tap to remove the cleaning body close.
Das Verdrehen des Zapfhahnes um die Achse seines Anschlußrohres erfolgt auch hier zur Betätigung eines in letzterem vorgesehenen Zwischenventiles.Here, too, the tap is rotated about the axis of its connecting pipe in order to actuate an intermediate valve provided in the latter.
Hierzu ist bei der Vorrichtung nach Fig. 8 der Zapfhahn mit dem nachgeordneten Anschlußrohr über eine lösbare Bajonettfassung verbunden, welche das Verdrehen und auch das Abziehen des Zapfhahnes von seinem Anschlußrohr ermöglicht.For this purpose, in the device according to FIG. 8, the tap is connected to the downstream connecting pipe via a detachable bayonet mount, which enables the tap to be rotated and also pulled off its connecting pipe.
Der Aufbau der Vorrichtungen zur Entnahme von Reinigungskörpern nach der LU-A-66922 ist verhältnismäßig kompliziert und somit auch teuer und die Entnahme des einzelnen Reinigungskörpers selbst ist zumindest bei einem Teil der hier offenbarten Vorrichtungen recht zeitraubend.
Eine automatische Entnahme bzw. Ausspülung des Reinigungskörpers ist bei den in dieser Druckschrift offenbarten Vorrichtungen nicht möglich.The construction of the devices for removing cleaning bodies according to LU-A-66922 is relatively complicated and therefore also expensive and the removal of the individual cleaning body itself is at least in some of the devices disclosed here quite time-consuming.
Automatic removal or rinsing of the cleaning body is not possible with the devices disclosed in this document.
In der DE-C-39 16 952 ist eine "Reinigungsvorrichtung für Getränke-Zapfanlagen" beschrieben, welche ebenfalls wenigstens ein Steuerventil zur Einspülung von Reinigungswasser und zur Einbringung einer Schwammgummikugel in die Getränkeleitung sowie die hierzu erforderlichen elektrischen Steuereinrichtungen zum Gegenstand hat.DE-C-39 16 952 describes a "cleaning device for beverage dispensing systems" which also has at least one control valve for flushing in cleaning water and for introducing a sponge rubber ball into the beverage line and the electrical control devices required for this purpose.
Bei diesem Steuergerät (Steuerventil) ist der Ventilschieber als zylindrisches Teil ausgebildet, das sowohl axial verschiebbar als auch polar um seine Achse verstellbar ausgebildet ist. Auf diese Weise ist sowohl eine Reinigung und Durchspülung der Getränkeleitung zum Zapfhahn als auch der zum Getränkespeicher (Faß) führenden Getränkeleitung möglich.In this control device (control valve), the valve slide is designed as a cylindrical part, which is designed to be axially displaceable as well as polarly adjustable about its axis. In this way, cleaning and flushing of the beverage line to the tap as well as the beverage line leading to the beverage store (barrel) is possible.
Wie die Figur 11 dieser DE-C-39 16 952 zeigt, ist dem Zapfhahn ebenfalls eine Vorrichtung zur automatischen Entnahme von Schwammgummikugeln aus Getränkeleitungen von Zapfanlagen zugeordnet. Von dieser oben am Anfang der Beschreibungseinleitung zitierten Vorrichtung geht die hier dargestellte Erfindung aus. Diese bekannte Vorrichtung ist in Spalte 7 der Beschreibung, Zeilen 25 - 59 erläutert und in dem Anspruch 9 dieser DE-C-39 16 952 umschlossen.As FIG. 11 of this DE-C-39 16 952 shows, the dispensing tap is also assigned a device for automatically removing sponge rubber balls from beverage lines in dispensing systems. The invention shown here is based on this device cited at the beginning of the introduction to the description. This known device is explained in
Wie diese Figur 11 zeigt, ist der Zapfhahn, dem ein manuell einstelltbarer Kompensator zugeordnet ist, über ein durchgehendes, rohrartiges Zwischenstück hinten mit der speisenden Getränkeleitung verbunden. Innerhalb dieses Zwischenstückes ist ein axial in der Durchbohrung des letzteren verschiebbares Rohrstück angeordnet. Die axiale Verstellung des Rohrstückes erfolgt entgegen der Wirkung einer letzteres teilweise umgebenden Schraubenfeder, und zwar dann, wenn in der Reinigungsposition eine aus der Getränkeleitung angeschwemmte Schammgummikugel sich an einer Verjüngung der Durchbohrung des Rohrstückes anlegt und dadurch - unter dem Druck der Reinigungswasserzuführung - die Schwammgummikugel zusammen mit dem Rohrstück entgegen der Wirkung der Schraubenfeder im Zwischenstück axial in Richtung auf den Zapfhahn verschoben wird.As FIG. 11 shows, the tap, to which a manually adjustable compensator is assigned, is connected to the feeding beverage line at the rear via a continuous, tubular intermediate piece. An axially displaceable tube piece is arranged within this intermediate piece in the through bore of the latter. The axial adjustment of the pipe section takes place against the action of a coil spring which partially surrounds the latter, namely when a sponge rubber ball washed away from the beverage line lies against a tapering of the through-hole of the pipe section and thereby - under the pressure of the cleaning water supply - the sponge rubber ball together with the pipe piece against the action of the coil spring in the intermediate piece axially in the direction of the tap.
Im Bereich der die Schwammgummikugel aufnehmenden Verjüngung des Rohrstückes ist in dessen Rohrmantel eine Austrittsöffnung vorgesehen, welche während der Verschiebungsbewegung mit einer weiteren Austrittsöffnung im Außenmantel des Zwischenstückes zur Deckung gelangt. Dadurch entsteht ein Verbindungsweg von der Durchbohrung des Rohrstückes über die beiden Austrittsöffnungen nach außen, so daß die Schwammgummikugel durch das nachströmende Reinigungswasser nach außerhalb des Zwischenstückes ausgespült werden kann.In the area of the taper of the tube piece receiving the sponge rubber ball, an outlet opening is provided in its tube shell, which during the displacement movement is covered by a further outlet opening in the outer shell of the intermediate piece. This creates a connection path from the through-hole of the pipe section via the two outlet openings to the outside, so that the sponge rubber ball can be rinsed out by the flowing cleaning water to the outside of the intermediate piece.
Der Staudruck des Reinigungswassers im Rohrstück fällt dadurch ab und das Rohrstück kehrt relativ zum Zwischenstück unter der Wirkung der Schraubenfeder wieder in die Ausgangsstellung innerhalb des Zwischenstückes zurück.The back pressure of the cleaning water in the pipe section drops as a result and the pipe section returns to the starting position within the intermediate piece relative to the intermediate piece under the action of the helical spring.
Die Entnahme der Schwammgummikugel erfolgt bei der bekannten Vorrichtung nach der DE-C-39 16 952 also selbsttätig stets dann, wenn im Reinigungszustand bei geöffnetem Zapfhahn eine Schwammgummikugel unter dem Druck des Reinigungswassers angeschwemmt wird. Diese wird dann über den durch die Austrittsöffnungen des Zwischenstücks und des - druckbedingt - axial verschobenen Rohrstückes gebildeten Bypass - am Kompensator des Zapfhahnes vorbei - nach außen geführt.The removal of the sponge rubber ball takes place automatically in the known device according to DE-C-39 16 952 whenever a sponge rubber ball is washed up under the pressure of the cleaning water in the cleaning state with the tap open. This is then led to the outside via the bypass formed by the outlet openings of the intermediate piece and the - due to pressure - axially displaced pipe section - past the compensator of the tap.
Die Betätigung dieser Entnahmevorrichtung erfolgt druckabhängig. Wechselnde Drücke auf der Getränkeleitung bei Zuführung des Reinigungswassers können sich deshalb auf die Funktionssicherheit der Vorrichtung nachteilig auswirken. Hierbei ist auch der einstellbare Kompensator des Zapfhahnes von Einfluß.
Das Rohrstück für die Schwammgummikugelentnahme ist zwar einerseits geschützt im Zwischenstück angeordnet, im Störungsfalle - z.B. bei Verschmutzung - jedoch andererseits schlecht der Handhabung bzw. Säuberung zugänglich.The operation of this removal device is pressure-dependent. Changing pressures on the beverage line when the cleaning water is supplied can therefore have an adverse effect on the functional reliability of the device. The adjustable compensator of the tap is also an influence here.
The pipe section for the sponge rubber ball removal is on the one hand protected in the intermediate piece, but in the event of a malfunction - for example in the event of contamination - it is also difficult to handle or clean.
Aufgabe der Erfindung ist es, die einleitend zitierte vorbekannte Vorrichtung zur automatischen Entnahme von Schwammgummikugeln in Flüssigkeitsleitungen, insbesondere Getränkeleitungen in Zapfanlagen nach der DE-C-39 16 952 derart fortzubilden, daß eine Betätigung derselben durch eine systemfremde Krafteinwirkung von außerhalb der Vorrichtung möglich ist.The object of the invention is to further develop the previously cited previously known device for the automatic removal of sponge rubber balls in liquid lines, in particular beverage lines in dispensing systems according to DE-C-39 16 952, in such a way that actuation of the same is possible from outside the device due to a force external to the system.
Zur Lösung der gestellten Aufgabe wird eine Vorrichtung zur automatischen Entnahme von Schwammgummikugeln beim Reinigen und Entleeren von Flüssigkeitsleitungen, wie Getränkeleitungen in Zapfanlagen oder dergleichen vorgeschlagen, bei der das Rohrstück länger ausgebildet ist als seine Führung in dem das Rohrstück innen aufnehmenden Zwischenstück,
und das Rohrstück auf der dem Zapfhahn abgewandten Seite aus dem Zwischenstück herausragt und dort an seinem rückseitigen Teil mit einem lösbaren Anschlußstück für eine flexibel ausgebildete Getränkeleitung versehen ist,
und im Betriebszustand der Vorrichtung das Rohrstück mit seiner dem Zapfhahn zugewandten vorderen Austrittsöffnung im Zwischenstück am Zapfhahn dichtend anliegt,
und im Reinigungszustand der Vorrichtung die dem Zapfhahn zugewandte vordere Austrittsöffnung des Rohrstücks,
nach Zurückziehen des letzteren relativ zum Zwischenstück in Richtung auf die Getränkeleitung, über die Austrittsöffnung im Zwischenstück zur Entnahme der Schwammgummikugel freigegeben ist.To achieve the object, a device for automatically removing sponge rubber balls when cleaning and emptying liquid lines, such as beverage lines in dispensing systems or the like, is proposed, in which the pipe section is longer than its guidance in the intermediate piece receiving the pipe section,
and the pipe section on the side facing away from the tap protrudes from the intermediate piece and is provided there on its rear part with a detachable connection piece for a flexibly designed beverage line,
and in the operating state of the device the pipe section with its front outlet opening facing the tap rests in a sealing manner in the intermediate piece on the tap,
and in the cleaning state of the device, the front outlet opening of the pipe section facing the tap,
after withdrawal of the latter relative to the intermediate piece in the direction of the beverage line, is released via the outlet opening in the intermediate piece for removing the sponge rubber ball.
Gemäß einer besonderen Ausführungsform der Erfindung ist das Anschlußstück der mit ihm verbundenen flexiblen Getränkeleitung durch eine Überwurfmutter und ein Gewinde auf dem rückseitigen Teil des Rohrstückes verbunden.According to a special embodiment of the invention, the connector of the flexible beverage line connected to it is connected by a union nut and a thread on the rear part of the pipe section.
Eine andere zweckmäßige Ausführungsform der Erfindung kann darin bestehen, daß am zapfhahnseitigen Ende des verschiebbaren Rohrstücks eine O-Ringdichtung angeordnet ist, die im Betriebszustand der Öffnung der Durchbohrung des Zwischenstückes dichtend anliegt,
und daß am anschlußseitigen Ende des Zwischenstückes in dessen Durchbohrung eine weitere O-Ringdichtung angeordnet ist, die am Außenmantel des verschiebbaren Rohrstückes dichtend anliegt,
das an seinem rückseitigen Teil einen der Betätigung dienenden Flansch aufweist und daß die Durchbohrung des Zwischenstückes im Bereich der Austrittsöffnung eine Erweiterung aufweist.Another expedient embodiment of the invention can consist in that an O-ring seal is arranged on the tap-side end of the displaceable pipe piece, which sealingly rests in the operating state of the opening of the through-hole of the intermediate piece,
and that at the connection-side end of the intermediate piece, a further O-ring seal is arranged in its through-hole, which lies sealingly against the outer jacket of the displaceable pipe piece,
which has on its rear part an actuating flange and that the through-hole of the intermediate piece has an extension in the region of the outlet opening.
Die Vorrichtung nach der Erfindung hat den Vorteil, daß eine Betätigung durch unterschiedliche Arten von Kraftquellen möglich ist.
So ist zunächst eine manuelle Betätigung der Vorrichtung vorstellbar. Aber auch eine elektromotorische, elektromagnetische oder eine pneumatische bzw. hydraulische Beaufschlagung der Vorrichtung ist denkbar. Die letzteren Betätigungsformen haben den weiteren Vorteil, daß eine gesteuerte Betätigung der Vorrichtung, z.B. in Verbindung mit einer den Reinigungsvorgang zentral steuernden Programmsteuereinrichtung durchführbar ist.
So kann z.B. die Entnahme bzw. der Ausstoß der Reinigungskörper (Schwammgummikugeln) völlig selbsttätig durch zeitliche Steuerung nach erfolgter selbsttätiger Einspülung der Reinigungskörper durch das Steuerventil stattfinden.
Auf Grund der Zuordnung eines lösbaren Anschlußstückes für die Getränkeleitung am Rohrstück ist eine einfachere Montage bzw. Demontage der Vorrichtung nach der Erfindung am Montageort möglich.The device according to the invention has the advantage that actuation by different types of power sources is possible.
So manual operation of the device is initially conceivable. However, an electromotive, electromagnetic or pneumatic or hydraulic action on the device is also conceivable. The latter forms of actuation have the further advantage that controlled actuation of the device, for example in connection with a program control device which centrally controls the cleaning process, can be carried out.
For example, the removal or ejection of the cleaning bodies (sponge rubber balls) can take place completely automatically by timing after the cleaning body has been automatically flushed in by the control valve.
Due to the assignment of a detachable connector for the beverage line on the pipe section, a simpler assembly or disassembly of the device according to the invention is possible at the installation site.
Die Erfindung ist nachfolgend an Hand eines bevorzugten Ausführungsbeispieles in einer Anzahl von Zeichnungen dargestellt und im einzelnen in der dazugehörenden Beschreibung erläutert.The invention is illustrated below with the aid of a preferred exemplary embodiment in a number of drawings and is explained in detail in the associated description.
In den Zeichnungen zeigen:
- Figur 1
- eine prinzipielle Schnittzeichnung der Vorrichtung gemäß der Erfindung;
Figur 2- die Vorrichtung nach der Erfindung gemäß der Ansicht nach Figur 1, jedoch mit nach vorne geführter Schwammgummikugel;
Figur 3- die Vorrichtung nach der Erfindung gemäß der Ansicht nach Figur 1 bzw.
Figur 2, jedoch in der Position zur Entnahme der Schwammgummikugel; Figur 4- die Vorrichtung nach der Erfindung gemäß der Ansicht nach Figur 1 bei der Durchspülung mit Reinigungswasser.
- Figure 1
- a schematic sectional drawing of the device according to the invention;
- Figure 2
- the device according to the invention according to the view of Figure 1, but with a sponge rubber ball directed forward;
- Figure 3
- the device according to the invention according to the view of Figure 1 or Figure 2, but in the position for removing the sponge rubber ball;
- Figure 4
- the device according to the invention according to the view of Figure 1 when flushing with cleaning water.
Wie sich aus den Figuren der Zeichnungen ergibt, besteht die Vorrichtung gemäß der Erfindung im wesentlichen aus einem Zwischenstück 1 mit einer Durchbohrung 2 und einer nach unten gerichteten Austrittsöffnung 3.As can be seen from the figures of the drawings, the device according to the invention essentially consists of an intermediate piece 1 with a through-
Das Zwischenstück 1 ist zwischen das rückseitige Teil 17 des mit einem Kompensator 5 versehenen Zapfhahnes 4 und die Getränkeleitung 6 eingesetzt. Die Getränkeleitung 6 ist auf ein Anschlußstück 7 aufgeschoben, das mittels einer Überwurfmutter 8 auf einem Gewinde 19 an dem rückseitigen Teil 9 eines innerhalb der Durchbohrung 2 des Zwischenstückes 1 verschiebbaren Rohrstückes 1o befestigt ist. Das verschiebbare Rohrstück 1o weist an seinem zapfhahnseitigen Ende 18 in einer Nut eine O-Ringdichtung 11 auf, die das Rohrstück 1o in dem genannten Bereich abdichtet. In der Innenwand der Durchbohrung 2 des Zwischen-Rohrstückes 1 ist am anschlußseitigen Ende 21 eine weitere O-Ringdichtung 12 eingesetzt, die an der Außenwand des Rohrstückes 1o dichtend anliegt. Am rückseitigen Teil 9 weist das Rohrstück 1o einen Flansch 13 zu seiner Betätigung auf.The intermediate piece 1 is inserted between the
Die Durchbohrung 2 des Zwischenstückes 1 besitzt im Bereich der Austrittsöffnung 3 eine Erweiterung 14.The through
Der in Figur 1 dargestellte Betriebszustand ermöglicht, daß das Getränk über die Getränkeleitung 6 durch das Rohrstück 1o in den Zapfhahn 4 fließt. Wenn, wie in Figur 2 dargestellt, beim Reinigungszustand eine Schwammgummikugel 15 am vorderen Ende 2o des Zwischenstückes 1 angelangt ist, kann sie nicht weiter durch den Zapfhahn 4 ausgeworfen werden, da der Kompensator 5 dies verhindert.
In diesem Fall wird, wie in Figur 3 gezeigt, das Rohrstück 1o aus dem vorderen Ende 2o und der Erweiterung 14 des Zwischenstückes 1 zurückgezogen, so daß die Schwammgummikugel 15 über die vordere Austrittsöffnung 16 des Rohrstückes 1o durch die Austrittsöffnung 3 des Zwischenstückes 1 entweichen und dort entnommen oder einem Magazin zugeführt werden kann.The operating state shown in FIG. 1 enables the beverage to flow via the
In this case, as shown in Figure 3, the pipe section 1o is withdrawn from the front end 2o and the
In Figur 4 ist die Stellung des verschiebbaren Rohrstückes 1o gezeigt, nachdem die Schwammgummikugel 15 entfernt ist und der Zapfhahn 4 von Wasser durchflossen wird.In Figure 4, the position of the displaceable pipe section 1o is shown after the
Es ist selbstverständlich möglich, die Verschiebebewegung des Rohrstückes 1o auch automatisch, beispielsweise pneumatisch, elektromotorisch, hydraulisch oder elektromagnetisch durchzuführen. Hierzu wird die Betätigungskraft der jeweiligen Antriebsvorrichtung auf den Flansch 13 des Rohrstückes 1o übertragen.It is of course also possible to carry out the displacement movement of the
- 11
- Zwischenstück (v. 4)Intermediate piece (v. 4)
- 22nd
- Durchbohrung (v. 1)Perforation (v. 1)
- 33rd
- Austrittsöffnung (v. 1, 2 für 15)Outlet opening (v. 1, 2 for 15)
- .4.4
- ZapfhahnTap
- 55
- Kompensator (v. 4)Compensator (v. 4)
- 66
- Getränkeleitung (an 7)Beverage line (at 7)
- 77
- Anschlußstück (v. 9, 10 für 6)Connector (v. 9, 10 for 6)
- 88th
- Oberwurfmutter (v. 7, 9, 1o)Head nut (v. 7, 9, 1o)
- 99
- Rückseitiges Teil (v. 1o)Back part (from 1o)
- 1o1o
- Rohrstück (in 2 von 1)Pipe piece (in 2 of 1)
- 1111
- O-Ring-Dichtung (v. 1o für 1,2)O-ring seal (v. 1o for 1.2)
- 1212th
- O-Ring-Dichtung (v. 1, 2 für 1o)O-ring seal (v. 1, 2 for 1o)
- 1313
- Flansch (v. 9, 1o)Flange (v. 9, 1o)
- 1414
- Erweiterung (v. 2, 1)Extension (v. 2, 1)
- 1515
- SchwammgummikugelSponge rubber ball
- 1616
- Vordere Austrittsöffnung (v. 1o für 15)Front outlet opening (v. 1o for 15)
- 1717th
- Rückseitiges Teil (v. 4)Back part (v. 4)
- 1818th
- Zapfhahnseitiges Ende (v. 1o)Tap-side end (from 1o)
- 1919th
- Gewinde ( v. 7)Thread (v. 7)
- 2o2o
- Vorderes Ende (v. 1)Front end (v. 1)
- 2121
- Anschlußseitiges Ende (v. 1)Connection end (v. 1)
Claims (4)
- A device for the automatic removal of sponge rubber balls (15) when cleaning and emptying fluid lines, in particular beverage lines (6) of dispensers, an intermediate piece (1) provided with a through-bore (2) and connectable to the tap (4) and to the beverage line (6) being arranged between the beverage line (6) and a tap (4) not allowing completely free passage, this intermediate piece (1) having a lateral outlet (3) for the sponge rubber balls (15) and a pipe length (10) provided with seals (11, 12) being displaceable in the intermediate piece (1, 2) in the longitudinal direction of the bore in such a manner that a leakproof connection results between tap (4) and beverage line (6) in the beverage removal operational state, whereas in the cleaning state, after displacement of the pipe length (10) opening of the outlet (16) of the pipe length (10) for removal of the sponge rubber balls (15) takes place via the outlet (3) in the intermediate piece (1), characterised in that the pipe length (10) is longer than its guide in the intermediate piece (1) receiving the pipe length (10) in its interior (2), in that the pipe length (10) projects from the intermediate piece (1) at the side facing away from the tap (4) and at this site its rear part (9) is provided with a detachable connecting piece (7) for the flexible beverage line (6), in that in the operational state of the device, the pipe length (10) adjoins the tap (4) in a leakproof manner in the intermediate piece (1) by means of its front outlet (16) facing the tap (4), and in that in the cleaning state of the device, the pipe-length front outlet (16) facing the tap (4) is, after retraction of the pipe length (10) relative to the intermediate piece (1) in the direction of the beverage line (6), opened via the outlet (3) in the intermediate piece (1) for the purpose of removal of the sponge rubber ball (15).
- A device in accordance with Claim 1, characterised in that the connecting piece (7), together with the flexible beverage line (6) connected thereto, is connected to the rear part (9) of the pipe length (10) through a clamping nut (8) and a thread (19).
- A device in accordance with Claim 1, characterised in that an O-ring seal (11) is arranged at the end (18) of the displaceable pipe length (10) nearest the tap, in the operational state this O-ring seal (11) making contact in a sealing manner in the through-bore (2) of the intermediate piece (1), and in that at the end (21) of the intermediate piece (1) nearest the connection, the intermediate piece (1) has arranged in its through-bore (2) another O-ring seal (12) which contacts with the outer surface of the displaceable pipe length (10) in a sealing manner, this pipe length (10) having a flange (13) for actuation formed on its rear part (9), and in that the through-bore (2) of the intermediate piece (1) has an enlargement (14) in the region of the outlet (3).
- A device in accordance with any one of Claims 1, 2 or 3, characterised in that the longitudinal displacement of the pipe length (10) takes place manually or automatically, e.g. pneumatically, electromotively, electromagnetically or hydraulically.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9110219U | 1991-08-19 | ||
| DE9110219U DE9110219U1 (en) | 1991-08-19 | 1991-08-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0528414A1 EP0528414A1 (en) | 1993-02-24 |
| EP0528414B1 true EP0528414B1 (en) | 1996-04-17 |
Family
ID=6870377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP92114139A Expired - Lifetime EP0528414B1 (en) | 1991-08-19 | 1992-08-19 | Device for automatically removing sponge balls from liquid conduits, especially draught beverage conduits |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0528414B1 (en) |
| AT (1) | ATE136819T1 (en) |
| DE (2) | DE9110219U1 (en) |
| ES (1) | ES2089313T3 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7311224B2 (en) | 2004-11-09 | 2007-12-25 | Ecolab Inc. | Chemical dispense system for cleaning components of a fluid dispensing system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2668825T3 (en) * | 2004-05-14 | 2018-05-22 | Koninklijke Philips N.V. | Tap unit for a beverage dispenser |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE794707A (en) * | 1972-01-31 | 1973-05-16 | Arthur Guinness Son & Cy Dubli | IMPROVEMENTS IN PROCESSES FOR CLEANING SUPPLY DUCTS FOR BEER FLOW SYSTEMS |
| JPS588912B2 (en) * | 1975-06-06 | 1983-02-18 | ダイセル化学工業株式会社 | Senjiyousouchiyougu |
| DE3322908A1 (en) * | 1983-06-25 | 1985-01-10 | Ewald 5403 Mülheim-Kärlich Wagner | Cleaning device for tapping apparatuses |
| DE3504636A1 (en) * | 1985-02-11 | 1986-08-14 | Ewald 5403 Mülheim-Kärlich Wagner | Cleaning apparatus for drink tapping systems |
| DE3916952C1 (en) * | 1989-05-24 | 1990-09-06 | Ewald 5403 Muelheim-Kaerlich De Wagner | |
| DE3942788A1 (en) * | 1989-12-23 | 1991-07-04 | Rudolf Till | DEVICE FOR CLEANING AND EMPTYING LIQUID LINES, IN PARTICULAR DRINKING LINES IN TAPPING PLANTS |
-
1991
- 1991-08-19 DE DE9110219U patent/DE9110219U1/de not_active Expired - Lifetime
-
1992
- 1992-08-19 AT AT92114139T patent/ATE136819T1/en not_active IP Right Cessation
- 1992-08-19 EP EP92114139A patent/EP0528414B1/en not_active Expired - Lifetime
- 1992-08-19 DE DE59206005T patent/DE59206005D1/en not_active Expired - Fee Related
- 1992-08-19 ES ES92114139T patent/ES2089313T3/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7311224B2 (en) | 2004-11-09 | 2007-12-25 | Ecolab Inc. | Chemical dispense system for cleaning components of a fluid dispensing system |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0528414A1 (en) | 1993-02-24 |
| DE9110219U1 (en) | 1991-10-24 |
| ES2089313T3 (en) | 1996-10-01 |
| DE59206005D1 (en) | 1996-05-23 |
| ATE136819T1 (en) | 1996-05-15 |
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