EP1742563A1 - Dishwasher with a height-adjustable upper basket - Google Patents

Dishwasher with a height-adjustable upper basket

Info

Publication number
EP1742563A1
EP1742563A1 EP05733894A EP05733894A EP1742563A1 EP 1742563 A1 EP1742563 A1 EP 1742563A1 EP 05733894 A EP05733894 A EP 05733894A EP 05733894 A EP05733894 A EP 05733894A EP 1742563 A1 EP1742563 A1 EP 1742563A1
Authority
EP
European Patent Office
Prior art keywords
height
dishwasher
adjustable upper
basket
upper basket
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.)
Granted
Application number
EP05733894A
Other languages
German (de)
French (fr)
Other versions
EP1742563B1 (en
Inventor
Stephan Koch
Stephan Lange
Ulrich Hettenhausen
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.)
Miele und Cie KG
Original Assignee
Miele und Cie 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 Miele und Cie KG filed Critical Miele und Cie KG
Priority to PL05733894T priority Critical patent/PL1742563T3/en
Publication of EP1742563A1 publication Critical patent/EP1742563A1/en
Application granted granted Critical
Publication of EP1742563B1 publication Critical patent/EP1742563B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/50—Racks ; Baskets
    • A47L15/508—Hydraulic connections for racks

Definitions

  • the invention relates to a dishwasher with a height-adjustable upper basket, on which a spray arm and an inflow pipe leading to the spray arm is arranged, the inflow pipe piece, in the inserted state of the basket into the rinsing container in the rear basket area via a funnel opening with a pivotable coupling element in combination, the in turn, for the supply of the spray arm with rinsing liquid with a stationary liquid line in the washing compartment is in operative connection.
  • a height-adjustable upper basket in which a running on the basket bottom Zu yourohr published is arranged, which cooperates with a arranged below the basket spray arm.
  • an S-shaped pipe connection piece is provided which is rotatably connected to the inflow pipe section.
  • this end has an integrally formed funnel region which comes into operative connection with the stationary liquid nozzle when the basket is inserted.
  • coupling element is carried out when changing the basket height no automatic height adjustment of the coupling element. The height of the coupling point must also be changed manually.
  • the basket is moved to a different level, it is necessary that the S-shaped pipe bend must be aligned accordingly, so that a flush coupling can be done.
  • DE 2732 665 C2 Another exemplary embodiment according to the prior art is described in DE 2732 665 C2, which basically overcomes the described disadvantages of DE 2732540 C2 in that a centering device in the form of a funnel is arranged on the inflow pipe piece at the end, which pivots with a the stationary liquid line arranged manifold cooperates. As a result, the manifold is aligned according to the adjusted height position of the basket, so that a flow transition in different level positions is created.
  • the offset between the nozzle and hopper tube in the horizontal direction, which results from the pivoting movement is kept very low.
  • even the smallest angular changes of the pivoting tube are sufficient due to the large distance between the pivot point and the coupling point in order to achieve a comparatively large adjustment.
  • the swivel tube is positioned so that it is horizontal in the middle position. As a result, the pivoting range is divided into an area above and an area below the middle position, which halves the maximum lateral deflection.
  • the invention provides that the pivot tube is fixed by means of a backdrop-like guide on the rear wall of the spray container. It is also advantageous if the frictional force between the pivot tube and its bearing in the region of the liquid line and in the region of the rear wall is greater than the weight of the pivot tube dimensioned. This ensures that the pivot tube remains in its position when no basket adjustment, which in turn reduces the friction between the coupling elements and thus the wear.
  • a ball joint is provided in the connection area between the end of the pivoting tube and the stationary fluid line, which next to the pivoting movement allows a certain translational movement of the pivot tube relative to the rear wall of the washing compartment. This can be achieved that in particular the coupling is not hindered by a pivoting arc movement.
  • a circumferential bead is formed, which cooperates sealingly with the plugged end portion of the pivot tube. It is therefore understood that when the pivot tube is pivoted, the ball joint formed as a joint compensates for the resulting arc in which takes place in the ball joint a certain compensatory translational movement.
  • the bead is expediently designed as a spherical section.
  • the funnel opening is formed on the inflow pipe piece with the chamfers asymmetrical to the center line of the pipe axis and at the pipe socket end an insertion is preferably formed by an extending at an angle of 50 ° to 60 ° outlet opening.
  • an insertion is preferably formed by an extending at an angle of 50 ° to 60 ° outlet opening.
  • Figure 1 a sectional front view of a dishwasher
  • Figure 2 a plan view of a height-adjustable upper basket
  • Figure 3 a single view of the Ankoppelstelle between funnel opening and pipe socket end
  • Figure 4 a single view of the pivot tube in operative connection with the stationary fluid line
  • Figure 5 a sectional view of the ball joint between pivot tube and liquid line.
  • FIG. 1 shows a diagrammatic view of a height-adjustable upper basket 1 in a dishwasher 2, wherein a rotatably arranged spray arm 3 and an inlet pipe piece 5 extending on the bottom basket 4 are arranged below the upper basket, better to be seen in FIG. 2.
  • the inflow pipe piece 5 occurs in FIG inserted state of the basket 1 in the washing container 6 with a level compensating coupling element 7 in Connection, which in turn is connected to the supply of the spray arm 3 with rinsing liquid with a stationary liquid line 8 in the washing compartment 6 in operative connection.
  • the coupling element 7, which can be seen more clearly in FIG. 4, comprises a pivot tube 10 which is fastened to the rear wall 9 of the washing container 6 and preferably extends over half the rear wall 9, with its one end 11 with that of the side wall 12 of FIG Rinse tank 6 leaking stationary liquid line 8 is connected.
  • a running at a right angle pipe socket end 14 is formed, which aligns the pivot tube 10 by means of corresponding insertion bevels 15, 16, 17 to the given level of the basket 1 for feeding the spray arm 3 with rinsing liquid.
  • the corresponding orientations can be seen better in FIG. 1 and in FIG. 4, where the corresponding height positions of the pipe socket end 14 are indicated in phantom.
  • FIG. 3 shows, in the detail view, how the individual insertion bevels 15, 16, 17 come into operative connection with one another when the basket 1 is pushed into the washing container 6.
  • an insertion bevel 15 is preferably provided by an outlet opening 18 extending at an angle of 50 to 60 degrees at the pipe socket end 14, which with a funnel opening 20 which is formed asymmetrically with respect to the center line 19 of the pipe axis and which form the corresponding insertion bevels 16 and 17 Coupling interact.
  • the insertion slope 16 arranged above the center line 19 preferably extends at an angle of 50 to 60 degrees
  • the insertion slope 17 arranged below the center line 19 preferably extends at an angle of 30 to 40 degrees.
  • the upper approach of the slope 15 cooperates with the insertion bevel 16. If the pipe socket end 14 is located below the center line 19, the running bevel 15 of the pipe socket end 14 cooperates with the insertion bevel 17 arranged below the center line 19. If the upper basket 1 is in the middle level position, an aligned docking of the pipe socket end 14 is provided. In this way it is ensured that in different positions of the pipe socket end 14 is always given a safe docking.
  • FIG. 4 shows the swivel tube 10 in an isolated representation, wherein the dashed representations represent the corresponding orientations of the swivel tube with its tube end 14 in the three possible positions with respect to the center line 19.
  • the pivot tube 10 is fixed by means of a backdrop-like guide 21 on the rear wall 9 of the washing compartment 6. This results in a stable position of the pivotally mounted tube, which also increases the Ankoppelview.
  • a ball joint 23 is provided, as it can be seen more clearly in an exposed representation in Figure 5.
  • This ball joint 23 also allows a certain translational movement of the pivot tube 10 on the rear wall 9 of the washing compartment 6.
  • a circumferential bead 24 in the form of a spherical section is formed, which cooperates sealingly with the plugged-on end region 11 of the pivoting tube 10.
  • the pivot tube 10 is pivoted above or below the center line 19, as a result of the retracting basket 1, the plugged end portion 25 of the pivot tube 10 moves on the circumferential bead 24 due to the positive guidance of the pivot tube 10.
  • the ball joint 23 is at least in the region of the bead 24th elastically designed to achieve a sufficient sealing effect.
  • a fixed coupling of the pivot tube 10 can be selected to the liquid line 8, in which case the elasticity of the tube is used for the pivoting action in the height adjustment of the upper basket.
  • this variant may possibly be dispensed with a guide on the rear wall 9 of the washing compartment 6.

Landscapes

  • Washing And Drying Of Tableware (AREA)
  • Centrifugal Separators (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)

Abstract

The invention relates to a dishwasher with a height-adjustable upper basket (1), on which a spray arm (3) and a supply tube piece (5), leading to the spray arm (3) are arranged, whereby the supply tube piece (5) engages at the rear of the basket, by means of a funneled opening (15), with a pivoting coupling element (7), in the retracted state for the basket (1) within the rinsing chamber (6), which cooperates with a fixed fluid line (8) in the rinsing chamber (6) for supplying the spray arm (3) with rinsing fluid. According to the invention, a long water flow path and loss of space in the basket may be avoided whilst guaranteeing an unlimited basket height adjustment range, whereby the coupling element (7) comprises a pivoting tube (10) extending preferably over half the backwall (9), which is connected at one end (11) thereof to the fixed fluid line (8), projecting from the side wall (12) of the rinsing container (6) and, at the other end (13) thereof, supports a nozzle end (14), running at least approximately perpendicular to the funneled opening (20).

Description

Beschreibungdescription
Geschirrspülmaschine mit einem höhenverstellbaren OberkorbDishwasher with a height-adjustable upper basket
Die Erfindung betrifft eine Geschirrspülmaschine mit einem höhenverstellbaren Oberkorb, an dem ein Sprüharm sowie ein zum Sprüharm führendes Zuflussrohrstück angeordnet ist, wobei das Zuflussrohrstück, im eingeschobenen Zustand des Korbes in den Spülbehälter im hinteren Korbbereich über eine Trichteröffnung mit einem schwenkbaren Kupplungselement in Verbindung tritt, das wiederum zur Speisung des Sprüharms mit Spülflüssigkeit mit einer ortsfesten Flüssigkeitsleitung im Spülbehälter in Wirkverbindung steht.The invention relates to a dishwasher with a height-adjustable upper basket, on which a spray arm and an inflow pipe leading to the spray arm is arranged, the inflow pipe piece, in the inserted state of the basket into the rinsing container in the rear basket area via a funnel opening with a pivotable coupling element in combination, the in turn, for the supply of the spray arm with rinsing liquid with a stationary liquid line in the washing compartment is in operative connection.
So ist beispielsweise aus der DE 2732540 C2 ein höhenverstellbarer Oberkorb bekannt, bei dem ein am Korbboden verlaufendes Zuflussrohrstück angeordnet ist, welches mit einem unterhalb des Korbes angeordneten Sprüharm zusammenwirkt. Zur Ankoppelung des Zuflussrohrstücks an die ortsfeste Flüssigkeitsleitung, die aus der Rückwand des Spülbehälters austritt, wird ein S-förmiges Rohranschlussstück vorgesehen, welches drehbar an dem Zuflussrohrstück angeschlossen ist. Zur Ankopplung des S-förmigen Kupplungselementes weist dieses endseitig einen angeformten Trichterbereich auf, der in Wirkverbindung mit dem ortsfesten Flüssigkeitsstutzen tritt, wenn der Korb eingeschoben wird. Bei diesem nach dem Stand der Technik bekannten Kupplungselement erfolgt bei Änderung der Korbhöhe keine automatische Höhenverstellung des Ankuppelelementes. Die Höhe der Ankoppelstelle muss zusätzlich manuell verändert werden. Wird also bei dieser Ausführung des Standes der Technik der Korb in ein anderes Niveau verbracht, so ist es erforderlich, dass der S-förmige Rohrbogen entsprechend ausgerichtet werden muss, damit eine bündige Kopplung erfolgen kann.Thus, for example, from DE 2732540 C2 a height-adjustable upper basket is known in which a running on the basket bottom Zuflussrohrstück is arranged, which cooperates with a arranged below the basket spray arm. For coupling the inflow pipe section to the stationary liquid line, which emerges from the rear wall of the washing compartment, an S-shaped pipe connection piece is provided which is rotatably connected to the inflow pipe section. For coupling the S-shaped coupling element, this end has an integrally formed funnel region which comes into operative connection with the stationary liquid nozzle when the basket is inserted. In this known according to the prior art coupling element is carried out when changing the basket height no automatic height adjustment of the coupling element. The height of the coupling point must also be changed manually. Thus, if in this embodiment of the prior art, the basket is moved to a different level, it is necessary that the S-shaped pipe bend must be aligned accordingly, so that a flush coupling can be done.
Ein anderes Ausführungsbeispiel gemäß dem Stand der Technik ist in der DE 2732 665 C2 beschrieben, welches dem Grunde nach die geschilderten Nachteile der DE 2732540 C2 dadurch überwindet, dass an dem Zuflussrohrstück endseitig eine Zentriereinrichtung in Form eines Trichters angeordnet ist, die mit einem schwenkbar an der ortsfesten Flüssigkeitsleitung angeordneten Krümmer zusammenwirkt. Hierdurch wird der Krümmer entsprechend der verstellten Höhenlage des Korbes ausgerichtet, so dass ein Strömungsübergang in unterschiedlichen Niveaustellungen geschaffen wird. Bei dieser Ausführungsform des Standes der Technik wird es als nachteilig angesehen, dass sich der Anstellwinkel des als Kupplungselement aus- gebildeten Krümmers sehr stark ändert, weil das Gelenk nahe an der Koppelstelle sitzt. Diese Art der Ankopplung bewirkt schon bei einer geringen Höhenverstellung des Korbes einen großen Winkelversatz zwischen dem Stutzen an der Rückwand und dem Trichterrohr im Korb. Hierdurch ist ein abgedichteter Übergang zwischen beiden Teilen problematisch. Der Erfindung stellt sich somit das Problem, bei einer Geschirrspülmaschine mit einem höhenverstellbaren Oberkorb der eingangs genannten Art einen Übergang zwischen der ortsfesten Flüssigkeitsleitung und dem Zuflussrohrstück für den Sprüharm zu schaffen, der die geschilderten Nachteile überwindet, wobei im besonderen lange Wasserwege, Stellplatzverluste im Korb, sowie ein eingeschränkter Korbhöhenverstellbereich, unterbunden werden sollen.Another exemplary embodiment according to the prior art is described in DE 2732 665 C2, which basically overcomes the described disadvantages of DE 2732540 C2 in that a centering device in the form of a funnel is arranged on the inflow pipe piece at the end, which pivots with a the stationary liquid line arranged manifold cooperates. As a result, the manifold is aligned according to the adjusted height position of the basket, so that a flow transition in different level positions is created. In this embodiment of the prior art, it is considered disadvantageous that the angle of attack of the formed as a coupling element bend changes very much, because the joint sits close to the coupling point. This type of coupling causes even at a low height adjustment of the basket a large angular offset between the nozzle on the rear wall and the funnel tube in the basket. As a result, a sealed transition between the two parts is problematic. The invention thus raises the problem of creating a transition between the stationary fluid line and the Zuflussrohrstück for the spray arm in a dishwasher with a height-adjustable upper basket of the type mentioned, which overcomes the disadvantages, in particular long waterways, parking space losses in the basket, and a limited Korbhöhenverstellbereich to be prevented.
Erfindungsgemäß wird dieses Problem mit dem Merkmal des Anspruchs 1 gelöst. Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung ergeben sich aus den nachfolgenden Unteransprüchen.According to the invention this problem is solved with the feature of claim 1. Advantageous embodiments and further developments of the invention will become apparent from the following subclaims.
Die mit der Erfindung erreichbaren Vorteile bestehen darin, dass durch die groß gehaltene Ent- fernung zwischen Drehpunkt und Ankoppelpunkt des Schwenkrohres sich kleine Winkeländerungen ergeben, so dass eine stufenlose Höhenverstellung über einen großen Bereich ermöglicht wird, wobei sich im Korbbereich keine beweglichen Teile mehr befinden, die die Stellfläche beeinträchtigen. Ebenfalls kann durch die Herausführung der Flüssigkeitsleitung aus der Seitenwand ein kurzer Spülflüssigkeitsweg realisiert werden. Das an der Spülbehälterwand positionierte Rohr ist dabei samt seines Stutzenendes schwenkbar. Durch die Verlagerung der Drehachse an die Seitenwand entsteht bei keiner Korbsituation ein Winkelversatz zwischen Stutzen und Trichterrohr, was das Ankoppeln erheblich vereinfacht. Damit ist das System für einen wesentlich größeren Höhenverstellbereich einsetzbar.The advantages that can be achieved with the invention are that the large distance between the pivot point and the coupling point of the swivel tube results in small angle changes, so that a stepless height adjustment over a large area is made possible, with no moving parts in the basket area, which affect the footprint. Also can be realized by the discharge of the liquid line from the side wall a short Spülflüssigkeitsweg. The tube positioned on the Spülbehälterwand is pivotally, together with its neck end. By shifting the axis of rotation to the side wall created in any basket situation, an angular misalignment between nozzle and funnel tube, which significantly simplifies the coupling. Thus, the system can be used for a much larger height adjustment.
Der Versatz zwischen Stutzen und Trichterrohr in horizontaler Richtung, der sich durch die Schwenkbewegung ergibt, wird sehr gering gehalten. Zum einen reichen durch den großen Abstand des Drehpunktes zur Koppelstelle schon kleinste Winkeländerungen des Schwenkrohres aus, um eine vergleichsweise große Verstellung zu erreichen. Zum anderen ist das Schwenkrohr so positioniert, dass es in Mittelstellung waagerecht steht. Dadurch teilt sich der Schwenkbereich in einen Bereich oberhalb und einen Bereich unterhalb der Mittelstellung auf, was die maximale seitliche Auslenkung halbiert.The offset between the nozzle and hopper tube in the horizontal direction, which results from the pivoting movement is kept very low. On the one hand, even the smallest angular changes of the pivoting tube are sufficient due to the large distance between the pivot point and the coupling point in order to achieve a comparatively large adjustment. On the other hand, the swivel tube is positioned so that it is horizontal in the middle position. As a result, the pivoting range is divided into an area above and an area below the middle position, which halves the maximum lateral deflection.
Zur sicheren und stabilen Halterung des Schwenkrohres wird erfindungsgemäß vorgesehen, dass das Schwenkrohr mittels einer kulissenartigen Führung an der Rückwand des Sprühbehälters befestigt ist. Es ist außerdem vorteilhaft, wenn die Reibkraft zwischen dem Schwenkrohr und seiner Lagerung im Bereich der Flüssigkeitsleitung und im Bereich der Rückwand größer als die Gewichtskraft des Schwenkrohrs bemessen ist. Hierdurch wird sichergestellt, dass das Schwenkrohr in seiner Position verbleibt, wenn keine Korbverstellung erfolgt, was wiederum die Reibung zwischen den Kupplungselementen und damit den Verschleiß verringert.For safe and stable mounting of the pivot tube, the invention provides that the pivot tube is fixed by means of a backdrop-like guide on the rear wall of the spray container. It is also advantageous if the frictional force between the pivot tube and its bearing in the region of the liquid line and in the region of the rear wall is greater than the weight of the pivot tube dimensioned. This ensures that the pivot tube remains in its position when no basket adjustment, which in turn reduces the friction between the coupling elements and thus the wear.
In vorteilhafter Weise ist im Verbindungsbereich zwischen dem Ende des Schwenkrohres und der ortsfesten Flüssigkeitsleitung ein Kugelgelenk vorgesehen, welches neben der Schwenk- bewegung eine gewisse translatorische Bewegung des Schwenkrohres gegenüber der Rückwand des Spülbehälters zulässt. Dadurch kann erreicht werden, dass insbesondere die Ankopplung nicht durch eine Schwenkbogenbewegung behindert wird. Durch die Verwendung eines Kugelgelenks können außerdem fertigungsbedingte Toleranzen der Spülbehälterwand in Auszugsrichtung des Korbs ausgeglichen werden.In an advantageous manner, a ball joint is provided in the connection area between the end of the pivoting tube and the stationary fluid line, which next to the pivoting movement allows a certain translational movement of the pivot tube relative to the rear wall of the washing compartment. This can be achieved that in particular the coupling is not hindered by a pivoting arc movement. By using a ball joint also manufacturing tolerances of the Spülbehälterwand can be compensated in the extension direction of the basket.
Auf dem Endbereich der Flüssigkeitsleitung ist eine umlaufende Wulst angeformt, die dichtend mit dem aufgesteckten Endbereich des Schwenkrohres zusammenwirkt. Es versteht sich daher, dass, wenn das Schwenkrohr verschwenkt wird, die als Verbindungsstelle ausgebildete Kugelgelenkverbindung den sich ergebenden Bogen ausgleicht, in dem im Kugelgelenk eine gewisse ausgleichende translatorische Bewegung stattfindet. Die Wulst ist in zweckmäßiger Weise als Kugelabschnitt ausgebildet.On the end region of the liquid line a circumferential bead is formed, which cooperates sealingly with the plugged end portion of the pivot tube. It is therefore understood that when the pivot tube is pivoted, the ball joint formed as a joint compensates for the resulting arc in which takes place in the ball joint a certain compensatory translational movement. The bead is expediently designed as a spherical section.
Es erweist es sich als besonders vorteilhaft, wenn die Trichteröffnung am Zuflussrohrstück mit den Einführschrägen asymmetrisch zur Mittellinie der Rohrachse ausgebildet ist und am Rohrstutzenende eine Einführschräge vorzugsweise durch eine unter einem Winkel von 50° bis 60° verlaufende Austrittsöffnung gebildet ist. Hierdurch kann unter Beibehaltung des Querschnitts der Trichteröffnung deren untere Einführschräge verkürzt werden, wodurch ein Kontakt mit dem unter dem Korb befestigten Sprüharm vermieden wird. Dies wiederum ermöglicht eine maximale Länge des Sprüharms. Außerdem kann der Höhenabstand zwischen dem Zuflussrohrstück und dem Sprüharm gering gehalten werden, was eine große Nutzhöhe für den Unterkorb sicherstellt.It proves to be particularly advantageous if the funnel opening is formed on the inflow pipe piece with the chamfers asymmetrical to the center line of the pipe axis and at the pipe socket end an insertion is preferably formed by an extending at an angle of 50 ° to 60 ° outlet opening. In this way, while maintaining the cross section of the funnel opening whose lower insertion be shortened, whereby a contact with the spray arm mounted under the basket is avoided. This in turn allows a maximum length of the spray arm. In addition, the height distance between the inflow pipe and the spray arm can be kept low, which ensures a large usable height for the lower basket.
Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen rein schematisch dargestellt und wird nachfolgend näher beschrieben. Es zeigen:An embodiment of the invention is shown purely schematically in the drawings and will be described in more detail below. Show it:
Figur 1 : eine geschnittene Frontansicht einer Geschirrspülmaschine;Figure 1: a sectional front view of a dishwasher;
Figur 2: eine Draufsicht auf einen höhenverstellbaren Oberkorb; Figur 3: eine Einzelansicht der Ankoppelstelle zwischen Trichteröffnung und Rohrstutzenende; Figur 4: eine Einzelansicht des Schwenkrohres in Wirkverbindung mit der ortsfesten Flüssigkeitsleitung und Figur 5: eine geschnittene Darstellung des Kugelgelenks zwischen Schwenkrohr und Flüssigkeitsleitung.Figure 2: a plan view of a height-adjustable upper basket; Figure 3: a single view of the Ankoppelstelle between funnel opening and pipe socket end; Figure 4: a single view of the pivot tube in operative connection with the stationary fluid line and Figure 5: a sectional view of the ball joint between pivot tube and liquid line.
Die Figur 1 zeigt in der schematischen Darstellung einen höhenverstellbaren Oberkorb 1 in einer Geschirrspülmaschine 2, wobei unterhalb des Oberkorbes ein drehbar angeordneter Sprüharm 3 sowie ein am Bodenkorb 4 verlaufendes Zuflussrohrstück 5 angeordnet ist, besser zu erkennen in der Figur 2. Das Zuflussrohrstück 5 tritt im eingeschobenen Zustand des Korbes 1 in den Spülbehälter 6 mit einem das Niveau ausgleichenden Kupplungselement 7 in Verbindung, das wiederum zur Speisung des Sprüharmes 3 mit Spülflüssigkeit mit einer ortsfesten Flüssigkeitsleitung 8 im Spülbehälter 6 in Wirkverbindung steht.FIG. 1 shows a diagrammatic view of a height-adjustable upper basket 1 in a dishwasher 2, wherein a rotatably arranged spray arm 3 and an inlet pipe piece 5 extending on the bottom basket 4 are arranged below the upper basket, better to be seen in FIG. 2. The inflow pipe piece 5 occurs in FIG inserted state of the basket 1 in the washing container 6 with a level compensating coupling element 7 in Connection, which in turn is connected to the supply of the spray arm 3 with rinsing liquid with a stationary liquid line 8 in the washing compartment 6 in operative connection.
Das Kupplungselement 7, besser zu erkennen in der Figur 4, umfasst ein an der Rückwand 9 des Spülbehälters 6 befestigtes, sowie sich vorzugsweise über die halbe Rückwand 9 erstreck- endes Schwenkrohr 10, welches mit seinem einen Ende 11 mit der aus der Seitenwand 12 des Spülbehälters 6 austretenden ortsfesten Flüssigkeitsleitung 8 verbunden ist. An seinem anderen Ende 13 ist ein unter einem rechten Winkel verlaufendes Rohrstutzenende 14 angeformt, welches das Schwenkrohr 10 mittels korrespondierender Einführschrägen 15, 16, 17 an das gegebene Niveau des Korbes 1 zur Speisung des Sprüharmes 3 mit Spülflüssigkeit ausrichtet. Die entsprechenden Ausrichtungen sind besser in der Figur 1 sowie in der Figur 4 zu erkennen, wo strichpunktiert die entsprechenden Höhenlagen des Rohrstutzenendes 14 angedeutet sind.The coupling element 7, which can be seen more clearly in FIG. 4, comprises a pivot tube 10 which is fastened to the rear wall 9 of the washing container 6 and preferably extends over half the rear wall 9, with its one end 11 with that of the side wall 12 of FIG Rinse tank 6 leaking stationary liquid line 8 is connected. At its other end 13 a running at a right angle pipe socket end 14 is formed, which aligns the pivot tube 10 by means of corresponding insertion bevels 15, 16, 17 to the given level of the basket 1 for feeding the spray arm 3 with rinsing liquid. The corresponding orientations can be seen better in FIG. 1 and in FIG. 4, where the corresponding height positions of the pipe socket end 14 are indicated in phantom.
Die Figur 3 verdeutlicht in der Detailansicht wie die einzelnen Einführschrägen 15, 16, 17 miteinander in Wirkverbindung treten, wenn der Korb 1 in den Spülbehälter 6 eingeschoben wird. So ist eine Einführschräge 15 vorzugsweise durch eine unter einem Winkel von 50 bis 60 Grad verlaufende Austrittsöffnung 18 am Rohrstutzenende 14 vorgesehen, die mit einer am Zuflussrohrstück 5 asymmetrisch zur Mittellinie 19 der Rohrachse geformten Trichteröffnung 20, die die korrespondierenden Einführschrägen 16 und 17 bilden, beim Ankoppeln zusammenwirken. Wie aus der Figur 3 zu erkennen ist, verläuft die oberhalb der Mittellinie 19 angeordnete Einführschräge 16 vorzugsweise unter einem Winkel von 50 bis 60 Grad, wobei hingegen die unterhalb der Mittellinie 19 angeordnete Einführschräge 17 vorzugsweise unter einem Winkel von 30 bis 40 Grad verläuft. Befindet sich beispielsweise nun das Rohrstutzenende 14 oberhalb der Mittellinie 19, so wirkt der obere Ansatz der Schräge 15 mit der Einführschräge 16 zusammen. Befindet sich das Rohrstutzenende 14 unterhalb der Mittellinie 19, so wirkt die verlaufende Schräge 15 des Rohrstutzenendes 14 mit der unterhalb der Mittellinie 19 angeordne- ten Einführschräge 17 zusammen. Befindet sich der Oberkorb 1 in der Mittelniveaustellung, so ist ein fluchtendes Andocken des Rohrstutzenendes 14 gegeben. Auf diese Weise wird sichergestellt, dass in unterschiedlichen Positionen des Rohrstutzenendes 14 immer ein sicheres Andocken gegeben ist.FIG. 3 shows, in the detail view, how the individual insertion bevels 15, 16, 17 come into operative connection with one another when the basket 1 is pushed into the washing container 6. Thus, an insertion bevel 15 is preferably provided by an outlet opening 18 extending at an angle of 50 to 60 degrees at the pipe socket end 14, which with a funnel opening 20 which is formed asymmetrically with respect to the center line 19 of the pipe axis and which form the corresponding insertion bevels 16 and 17 Coupling interact. As can be seen from FIG. 3, the insertion slope 16 arranged above the center line 19 preferably extends at an angle of 50 to 60 degrees, whereas the insertion slope 17 arranged below the center line 19 preferably extends at an angle of 30 to 40 degrees. For example, if now the pipe socket end 14 above the center line 19, the upper approach of the slope 15 cooperates with the insertion bevel 16. If the pipe socket end 14 is located below the center line 19, the running bevel 15 of the pipe socket end 14 cooperates with the insertion bevel 17 arranged below the center line 19. If the upper basket 1 is in the middle level position, an aligned docking of the pipe socket end 14 is provided. In this way it is ensured that in different positions of the pipe socket end 14 is always given a safe docking.
Die Figur 4 zeigt in isolierter Darstellung das Schwenkrohr 10, wobei die gestrichelten Darstel- lungen die entsprechenden Ausrichtungen des Schwenkrohres mit seinem Rohrstutzenende 14 in den hier möglichen drei Positionen in Bezug zur der Mittellinie 19 darstellt. Wie aus der isolierten Darstellung zu erkennen ist, ist das Schwenkrohr 10 mittels einer kulissenartigen Führung 21 an der Rückwand 9 des Spülbehälters 6 befestigt. Dadurch ergibt sich eine stabile Lage des schwenkbar angeordneten Rohres, was ebenfalls die Ankoppelsicherheit erhöht.FIG. 4 shows the swivel tube 10 in an isolated representation, wherein the dashed representations represent the corresponding orientations of the swivel tube with its tube end 14 in the three possible positions with respect to the center line 19. As can be seen from the isolated representation, the pivot tube 10 is fixed by means of a backdrop-like guide 21 on the rear wall 9 of the washing compartment 6. This results in a stable position of the pivotally mounted tube, which also increases the Ankoppelsicherheit.
Nach einer besonders vorteilhaften Weiterbildung des Kupplungselementes 7 ist im Verbindungsbereich 22 zwischen dem Ende 11 des Schwenkrohres 10 und der ortsfesten Flüssigkeitsleitung 8 ein Kugelgelenk 23 vorgesehen, wie es in exponierter Darstellung in der Figur 5 deutlicher zu erkennen ist. Dieses Kugelgelenk 23 lässt auch eine gewisse translatorische Bewegung des Schwenkrohres 10 an der Rückwand 9 des Spülbehälters 6 zu. Auf dem Endbereich der Flüssigkeitsleitung 8 ist eine umlaufende Wulst 24 in Form eines Kugelab- Schnitts angeformt, die dichtend mit dem aufgesteckten Endbereich 11 des Schwenkrohres 10 zusammenwirkt. Wird nun das Schwenkrohr 10 über oder unter die Mittellinie 19 verschwenkt, infolge des einfahrenden Korbes 1 , so wandert der aufgesteckte Endbereich 25 des Schwenkrohres 10 auf der umlaufenden Wulst 24 infolge der Zwangsführung des Schwenkrohres 10. Das Kugelgelenk 23 ist wenigstens im Bereich der Wulst 24 elastisch ausgebildet, um eine aus- reichende Dichtwirkung zu erzielen.According to a particularly advantageous embodiment of the coupling element 7 is in the connecting region 22 between the end 11 of the pivot tube 10 and the stationary Liquid line 8 a ball joint 23 is provided, as it can be seen more clearly in an exposed representation in Figure 5. This ball joint 23 also allows a certain translational movement of the pivot tube 10 on the rear wall 9 of the washing compartment 6. On the end region of the liquid line 8, a circumferential bead 24 in the form of a spherical section is formed, which cooperates sealingly with the plugged-on end region 11 of the pivoting tube 10. Now, if the pivot tube 10 is pivoted above or below the center line 19, as a result of the retracting basket 1, the plugged end portion 25 of the pivot tube 10 moves on the circumferential bead 24 due to the positive guidance of the pivot tube 10. The ball joint 23 is at least in the region of the bead 24th elastically designed to achieve a sufficient sealing effect.
Anstelle des Kugelgelenks 23 kann eine feste Ankopplung des Schwenkrohrs 10 an die Flüssigkeitsleitung 8 gewählt werden, wobei dann die Elastizität des Rohres für den Schwenkvorgang bei der Höhenverstellung des Oberkorbs genutzt wird. Bei dieser Variante kann evtl. auch auf eine Führung an der Rückwand 9 des Spülbehälters 6 verzichtet werden. Instead of the ball joint 23, a fixed coupling of the pivot tube 10 can be selected to the liquid line 8, in which case the elasticity of the tube is used for the pivoting action in the height adjustment of the upper basket. In this variant may possibly be dispensed with a guide on the rear wall 9 of the washing compartment 6.

Claims

Patentansprüche claims
1. Geschirrspülmaschine mit einem höhenverstellbaren Oberkorb, an dem ein Sprüharm sowie ein zum Sprüharm führendes Zuflussrohrstück angeordnet ist, wobei das Zuflussrohrstück, im eingeschobenen Zustand des Korbes in den Spülbehälter im hinteren Korbbereich über eine Trichteröffnung mit einem schwenkbaren Kupplungselement in Verbindung tritt, das wiederum zur Speisung des Sprüharms mit Spülflüssigkeit mit einer ortsfesten Flüssigkeitsleitung im Spülbehälter in Wirkverbindung steht, dadurch gekennzeichnet, dass das Kupplungselement (7) ein sich vorzugsweise über die halbe Rückwand (9) erstreckendes Schwenkrohr (10) umfasst, welches mit seinem einen Ende (11) mit der aus der Seitenwand (12) des Spülbehälters (6) austretenden ortsfesten Flüssigkeitsleitung (8) verbunden ist, und an seinem anderen Ende (13) ein wenigstens annähernd rechtwinkliges, zur Trichteröffnung (20) hin verlaufendes Rohrstutzenende (14) trägt.1. Dishwasher with a height-adjustable upper basket to which a spray arm and leading to the spray arm inflow pipe piece is arranged, the inflow pipe piece, in the inserted state of the basket in the washing container in the rear basket area via a funnel opening with a pivotable coupling element in combination, which in turn Supply of the spray arm with rinsing liquid with a stationary liquid line in the washing compartment is in operative connection, characterized in that the coupling element (7) preferably over half the rear wall (9) extending pivot tube (10), which with its one end (11) the stationary liquid line (8) emerging from the side wall (12) of the rinsing container (6) is connected, and at its other end (13) carries an at least approximately rectangular tube end (14) extending towards the funnel opening (20).
2. Geschirrspülmaschine mit einem höhenverstellbaren Oberkorb nach Anspruch , dadurch gekennzeichnet, dass das Schwenkrohr (10) mittels einer kulissenartigen Führung (21) an der Rückwand (9) des Spülbehälters (6) befestigt ist.2. Dishwasher with a height-adjustable upper basket according to claim, characterized in that the pivot tube (10) by means of a backdrop-like guide (21) on the rear wall (9) of the washing compartment (6) is fixed.
3. Geschirrspülmaschine mit einem höhenverstellbaren Oberkorb nach Anspruch 2, dadurch gekennzeichnet, dass die Reibkraft zwischen dem Schwenkrohr (10) und seiner Lagerung im Bereich der Flüssigkeitsleitung und im Bereich der Rückwand (9) größer als die Gewichtskraft des Schwenkrohrs (10) bemessen ist.3. Dishwasher with a height-adjustable upper basket according to claim 2, characterized in that the frictional force between the pivot tube (10) and its storage in the region of the liquid line and in the region of the rear wall (9) is greater than the weight of the pivot tube (10).
4. Geschirrspülmaschine mit einem höhenverstellbaren Oberkorb nach mindestens einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass im Verbindungsbereich (22) zwischen dem Ende (11) des Schwenkrohres (10) und der ortsfesten Flüssigkeitsleitung (8) ein Kugelgelenk (23) vorgesehen ist, welches eine gewisse translatorische Bewegung des Schwenkrohres (10) gegenüber der Rückwand (9) des Spülbehälters (6) zulässt.4. Dishwasher with a height-adjustable upper basket according to at least one of claims 1 to 3, characterized in that in the connection region (22) between the end (11) of the pivot tube (10) and the stationary liquid line (8) a ball joint (23) is provided , which allows a certain translational movement of the pivot tube (10) relative to the rear wall (9) of the washing compartment (6).
5. Geschirrspülmaschine mit einem höhenverstellbaren Oberkorb nach Anspruch 4, dadurch gekennzeichnet, dass auf dem Endbereich der Flüssigkeitsleitung (8) eine umlaufende Wulst (24) angeformt ist, die dichtend mit dem aufgesteckten Endbereich (25) des Schwenkrohres (10) zusammenwirkt. 5. Dishwasher with a height-adjustable upper basket according to claim 4, characterized in that on the end region of the liquid line (8) has a circumferential bead (24) is formed, which cooperates sealingly with the plugged end portion (25) of the pivot tube (10).
6. Geschirrspülmaschine mit einem höhenverstellbaren Oberkorb nach Anspruch 5, dadurch gekennzeichnet, dass die Wulst als Kugelabschnitt ausgebildet ist.6. Dishwasher with a height-adjustable upper basket according to claim 5, characterized in that the bead is formed as a spherical section.
7. Geschirrspülmaschine mit einem höhenverstellbaren Oberkorb nach mindestens einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Trichteröffnung (20) am Zuflussrohrstück (5) mit den Einführschrägen (16) und (17) asymmetrisch zur Mittellinie (19) der Rohrachse ausgebildet ist und dass am Rohrstutzenende (14) eine Einführschräge (15) vorzugsweise durch eine unter einem Winkel von 50° bis 60° verlaufende Austrittsöffnung (18) gebildet ist.7. Dishwasher with a height-adjustable upper basket according to at least one of claims 1 to 6, characterized in that the funnel opening (20) on the inflow pipe piece (5) with the chamfers (16) and (17) is formed asymmetrically to the center line (19) of the tube axis and that an insertion bevel (15) is preferably formed at the pipe socket end (14) by an outlet opening (18) running at an angle of 50 ° to 60 °.
8. Höhenverstellbarer Oberkorb nach Anspruch 7, dadurch gekennzeichnet, dass die oberhalb der Mittellinie (19) angeordnete Einführschräge (16) vorzugsweise unter einem Winkel von 50 bis 60 Grad verläuft, wobei die unterhalb der Mittellinie (19) ange- ordnete Einführschräge (17) vorzugsweise unter einem Winkel von 30 bis 40 Grad verläuft. 8. Height-adjustable upper basket according to claim 7, characterized in that the above the center line (19) arranged insertion bevel (16) preferably at an angle of 50 to 60 degrees, wherein the below the center line (19) arranged insertion bevel (17) preferably at an angle of 30 to 40 degrees.
EP05733894A 2004-05-03 2005-04-20 Dishwasher with a height-adjustable upper basket Not-in-force EP1742563B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05733894T PL1742563T3 (en) 2004-05-03 2005-04-20 Dishwasher with a height-adjustable upper basket

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004022025A DE102004022025B3 (en) 2004-05-03 2004-05-03 Dishwashing machine with height-adjustable top basket for cutlery has rotating spray arm under top and bottom baskets and has water feed pipe with swivel joint
PCT/EP2005/004203 WO2005107569A1 (en) 2004-05-03 2005-04-20 Dishwasher with a height-adjustable upper basket

Publications (2)

Publication Number Publication Date
EP1742563A1 true EP1742563A1 (en) 2007-01-17
EP1742563B1 EP1742563B1 (en) 2009-05-27

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EP05733894A Not-in-force EP1742563B1 (en) 2004-05-03 2005-04-20 Dishwasher with a height-adjustable upper basket

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US (1) US20070215187A1 (en)
EP (1) EP1742563B1 (en)
AT (1) ATE432036T1 (en)
DE (2) DE102004022025B3 (en)
ES (1) ES2324823T3 (en)
PL (1) PL1742563T3 (en)
WO (1) WO2005107569A1 (en)

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Also Published As

Publication number Publication date
ATE432036T1 (en) 2009-06-15
DE102004022025B3 (en) 2005-09-15
EP1742563B1 (en) 2009-05-27
PL1742563T3 (en) 2009-11-30
ES2324823T3 (en) 2009-08-17
DE502005007358D1 (en) 2009-07-09
WO2005107569A1 (en) 2005-11-17
US20070215187A1 (en) 2007-09-20

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