EP2187799B1 - Hydraulic coupling of a vertically adjustable dish basket of a dishwasher - Google Patents

Hydraulic coupling of a vertically adjustable dish basket of a dishwasher Download PDF

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Publication number
EP2187799B1
EP2187799B1 EP08803199.2A EP08803199A EP2187799B1 EP 2187799 B1 EP2187799 B1 EP 2187799B1 EP 08803199 A EP08803199 A EP 08803199A EP 2187799 B1 EP2187799 B1 EP 2187799B1
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EP
European Patent Office
Prior art keywords
coupling
opening
openings
dishwasher
dishwasher according
Prior art date
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EP08803199.2A
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German (de)
French (fr)
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EP2187799A1 (en
Inventor
Anton Oblinger
Karlheinz Rehm
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BSH Hausgeraete GmbH
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BSH Bosch und Siemens Hausgeraete GmbH
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Priority to PL08803199T priority Critical patent/PL2187799T3/en
Publication of EP2187799A1 publication Critical patent/EP2187799A1/en
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    • 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
    • A47L15/504—Arrangements for changing the height of racks
    • 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
    • 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
    • A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
    • A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
    • A47L15/22—Rotary spraying devices
    • A47L15/23—Rotary spraying devices moved by means of the sprays

Definitions

  • the invention relates to a dishwasher with a height-adjustable crockery basket, on which an inlet pipe for a spray arm is arranged.
  • Such a dishwasher is eg in the EP 0 796 587 A2 disclosed.
  • a supply line is fixed, with which the horizontally attached to a height-adjustable dish rack of the dishwasher inlet pipe for a spray arm can be connected by means of a coupling.
  • the supply line has an open in the direction of the inlet pipe open connection piece and two in the direction of the inlet pipe projecting closed blind nozzle.
  • One of the closed blind stubs is above and the other blind stub is located below the connecting piece.
  • the coupling comprises two superimposed openings, in each of which the connecting piece and one of the blind stub protrudes.
  • the connecting piece either projects into one or the other opening of the coupling.
  • a washing liquor pressurized by the supply line can either flow directly into the inlet pipe or is guided into the inlet pipe via the housing of the coupling.
  • the rerouting of the rinsing liquor via the housing of the coupling is hydraulically unfavorable.
  • the object of the present invention is therefore to provide a dishwasher with a height-adjustable crockery basket, on which an inlet pipe for a spray arm is arranged, which provides a prerequisite for improved hydraulic guidance of the feed line originating rinse water into the inlet pipe.
  • a dishwasher comprising a rinsing container with at least one side wall, a crockery basket which can be pulled out of the rinsing container and height-adjustable, a spray arm, an inlet pipe arranged on the crockery basket for the spray arm, and a coupling device with a first part coupling and a second sub-coupling, wherein the first sub-coupling is arranged on the side wall and a number N of superimposed first openings, from which during operation of the dishwasher a below Pressure standing wash liquor can emerge, the second sub-coupling is connected to the inlet pipe and having a second opening, which cooperates with one of the first openings of the first sub-coupling depending on the height adjustment of the dish rack, so that the wash liquor through the cooperating with the second opening and the first opening the second opening passes during operation of the dishwasher and flows via the inlet pipe to the spray arm, and the second partial coupling is designed such that it closes the remaining, not cooperating with the second opening first opening
  • the dishwasher according to the invention has the coupling device, via which the height-adjustable dish rack, in particular horizontally arranged inlet pipe for the spray arm in the operation of the dishwasher is supplied with the rinsing liquor.
  • the coupling device has the first partial coupling arranged on the side wall of the washing container, which in turn is provided with the first openings. The pressurized flushing solution can potentially escape through the first openings.
  • the side wall may in particular be the rear wall of the washing compartment.
  • the second sub-coupling of the coupling device is connected to the inlet pipe and has the second opening.
  • the second opening cooperates with one of the first opening, so that the washing liquor can pass through this first opening and through the second opening into the inlet pipe.
  • the rinsing fluid always flows through the second opening of the second part of the coupling into the inlet pipe.
  • the dishwasher according to the invention carried out such that the second sub-coupling is connected to the inlet pipe so that the rinsing water can flow directly through the second opening in the inlet pipe, without being deflected for example by a wall of the second sub-coupling, so conditions are created that in Operation of the dishwasher according to the invention regardless of the height adjustment of the dish rack always the rinsing liquor flows directly into the inlet pipe via the coupling device, whereby a relatively favorable hydraulic guidance of the rinsing liquor is possible.
  • the second partial clutch is designed such that in operation it closes the remaining first openings, which do not interact with the second opening, so that only through the first opening cooperating with the second opening, the rinsing liquor flows.
  • the first sub-coupling substantially similar first nozzle, each comprising one of the first openings, and the second opening of the second sub-coupling is designed such that the first nozzle can be inserted into the second opening.
  • This embodiment makes it possible, for example, that the desired first opening cooperates reliably with the second opening.
  • the relevant first opening and the second opening partially overlap, whereby the cross section for the supply of the rinsing liquor to the inlet pipe is reduced, which could possibly lead to a deterioration of the rinsing process.
  • a nozzle is understood to mean a relatively short nozzle tube, in which connection the cross-section of the nozzle does not necessarily have to be circular.
  • the second sub-coupling may have at least (N-1) recesses above and below the second opening into which the remaining first sockets not cooperating with the second opening may be inserted in order to close their first openings.
  • the depressions can be provided in particular with seals.
  • the second opening may have a conical shape narrowing towards the interior of the second part-coupling, and / or the first connecting pieces may have a conical shape constricting to the exterior of the first part-coupling. This can assist a reliable introduction of the relevant first nozzle into the second opening and, if appropriate, an insertion of the remaining first nozzle into the recesses of the second partial coupling.
  • the first sockets may have seals that at least partially surround the exterior of the first sockets.
  • the seals can assist in reliably closing the remaining first openings, in particular in combination with the depressions of the second part coupling.
  • the second part of the coupling has a second nozzle, which comprises the second opening, and their first openings of the first coupling are designed such that the second nozzle can be inserted into the first openings.
  • This embodiment makes it possible, for example, that the desired first opening cooperates reliably with the second opening.
  • the relevant first opening and the second opening partially overlap, whereby the cross section for the supply of the rinsing liquor to the inlet pipe is reduced, which could possibly lead to a deterioration of the rinsing process.
  • the first openings may have a conical shape narrowing towards the interior of the first part coupling and / or the second neck may have a conical shape narrowing towards the exterior of the second part coupling. This may assist in reliably introducing the second nozzle into the relevant first aperture
  • the second nozzle may have a seal which at least partially surrounds the exterior of the second nozzle.
  • the second sub-coupling above and below the second nozzle (N-1) on pins which can be inserted into the remaining, not cooperating with the second opening of the second nozzle first openings to close them.
  • the pins can assist in reliably closing the remaining first openings.
  • the pins may have a tapered to the exterior of the second sub-coupling conical shape, whereby a reliable insertion of the pins can be supported in the remaining first openings.
  • the pins may have seals which at least partially surround the exterior of the pins.
  • the second sub-coupling above and below the second nozzle (N-1) third sockets which correspond substantially to the second nozzle and the second opening corresponding third openings, each with a detachable or non-detachable closure device are closed, wherein the third port can be plugged into the remaining, not cooperating with the second opening of the second nozzle first openings to close them.
  • the sealed with the closure devices third nozzle act similar to the pin of the above-mentioned variant of the dishwasher according to the invention. Since the third sockets essentially correspond to the second sockets, it may be possible to produce the second part coupling more cheaply.
  • the closure devices may e.g. in particular conically shaped lids, e.g. detachably mounted on the third openings of the third socket, clamped or screwed.
  • the third openings may also be non-releasably connected to the third sockets to close the third openings.
  • the third sockets and / or the closure means of the third sockets may have a conical shape narrowing towards the exterior of the second sub-coupling, e.g. to assist reliable insertion of the third ports into the remaining first ports.
  • the third connection piece may have, for example, seals which at least partially surround the exterior of the third connection piece.
  • the second part of the coupling and the inlet pipe may be integrally formed. If the dishwasher according to the invention has a feed tube for the wash liquor arranged on the side wall, then the feed tube can be connected to the first part coupling and, in particular, can be made in one piece with the first part coupling.
  • the Fig. 1 shows a section of a portion of a dishwasher 1 with a rinse tank 2 shown only partially, from which a non-illustrated, but generally known height-adjustable dish rack can be at least partially pulled out.
  • a spray arm 3 and its inlet pipe 4 is attached on the crockery basket.
  • the Spray arm 3 is supported by means of a non-illustrated storage on the horizontally extending in the case of the present embodiment inlet pipe 4 and the inlet pipe 4 is by means of a receptacle 5, which is integrally formed in the case of the present embodiment of the inlet pipe 4, not shown longitudinal wires of Dish rack attached to this.
  • the dishwasher 1 On a side wall of the washing compartment 2, in the case of the present embodiment on the rear wall 6 of the washing compartment 2, a supply pipe 7 is fixed, through which a washing liquor can be conducted under pressure via the inlet pipe 4 to the spray arm 3 during operation of the dishwasher 1.
  • the dishwasher 1 comprises a in the FIG. 2 closer coupling 8 shown with a first part of the clutch 9 and a second part clutch 10. Next views of the clutch 8 are in the FIGS. 3 to 7 shown.
  • the first part of the clutch 9 is connected to the feed tube 7 and is integrally formed therewith and has three superimposed, open and substantially identically shaped cylindrical nozzle 11 - 13, which constricting to the interior of the first part clutch 9 may have conical shape.
  • the nozzles 11-13 each have an opening 14 through which pressurized spittoon liquor, which is brought into operation during operation of the dishwasher 1 by means of the feed tube 7 to the first partial coupling 9, can emerge. Furthermore, the above and below the central nozzle 12 arranged Stutzten 11, 13 are each equidistant from the central port 12.
  • the second partial coupling 10 comprises five cylindrical stubs 15-19, which are arranged one above the other and have substantially the same shape, each having an opening 20.
  • the sockets 15-19 may have a conical shape narrowing toward the exterior of the second sub-coupling 10, and the distances between each two adjacent sockets 15-19 are substantially identical.
  • the outer diameters of the individual connecting pieces 15-19 of the second partial coupling 10 are designed such that they can be inserted into the openings 14 of the connecting pieces 11-13 of the first partial coupling 9.
  • the above and below the central nozzle 17 of the second sub-coupling 10 arranged nozzle 15, 16, 18, 19 each provided with a lid 21, which close the openings 20 of the nozzle 15, 16, 18, 19.
  • the cover 21 may be permanently or detachably connected to the nozzle 15, 16, 18, 19 and have a conical shape.
  • the two partial clutches 9, 10 are intended to be inserted into one another during operation of the dishwasher 1.
  • the middle connecting piece 17 of the second partial coupling 10 is inserted into the opening 14 of one of the three connecting pieces 11-13 of the first partial coupling 9.
  • FIG. 5 illustrates a scenario in which the crockery basket is in an upper position and therefore when inserting the crockery basket in the washing compartment 2, the middle port 17 of the second part of the clutch 10 is guided into the opening 14 of the upper nozzle 13.
  • the other two stubs 11, 12 of the first sub-coupling 9 are spaced apart from each other and the remaining with the lids 21 closed nozzle 15, 16, 18, 19 of the second sub-coupling 10 are spaced apart such that the lower and closed with lids 21 nozzle. 15 , 16 are pushed into the openings 14 of the nozzle 11, 12 and thereby close the openings 14 of the nozzle 11, 12.
  • FIG. 6 illustrates a scenario in which the crockery basket is in a middle position and thus when inserting the crockery basket in the washing compartment 2, the middle port 17 of the second part of the clutch 10 is guided in the opening 14 of the middle nozzle 12.
  • the lid 21 nozzle 16 which is located directly below the middle and unsealed neck 17 of the second part of the coupling 10, pushed to close the opening 14 of the nozzle 11.
  • FIG. 7 illustrates a scenario in which the crockery basket is in a lower position and therefore when inserting the crockery basket in the washing container 2, the middle and unsealed neck 17 of the second part of the clutch 10 in the Opening 14 of the lower nozzle 11 is guided.
  • the two above the middle and unclosed nozzle 17 arranged sealed connection 18, 19 are pushed to close the nozzle 12, 13.
  • the second part of the clutch 10 and the inlet pipe 4 are also integrally formed such that the middle port 17 of the second part of the coupling 10 is a part of the inlet pipe 4.
  • the pressurized rinsing liquor passes through that opening 14 of the nozzle 11, 12, 13 of the first sub-coupling 9, in which the unsealed nozzle 17 of the second sub-coupling 10 is inserted directly into the inlet pipe 4, without diverted via a wall of the second sub-coupling 10 to become.
  • the connecting pieces 15-19 of the second partial coupling 10 are provided with seals 22.
  • a rinsing liquor to be sprayed into the feed tube 7 is conveyed by the spray arm 3 from a circulating pump (not shown) via the feed tube 7 and via the inlet tube 4.
  • the second part of coupling 10 may also have pins which optionally close the openings 14 of the stub 11 - 13 of the first part of the coupling 9.

Landscapes

  • Washing And Drying Of Tableware (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Description

Die Erfindung betrifft eine Geschirrspülmaschine mit einem höhenverstellbaren Geschirrkorb, an dem ein Einlaufrohr für einen Sprüharm angeordnet ist.The invention relates to a dishwasher with a height-adjustable crockery basket, on which an inlet pipe for a spray arm is arranged.

Eine derartige Geschirrspülmaschine ist z.B. in der EP 0 796 587 A2 offenbart. An der Rückwand des Spülbehälters dieser Geschirrspülmaschine ist eine Zuführungsleitung befestigt, mit der das an einem höhenverstellbaren Geschirrkorb der Geschirrspülmaschine horizontal befestigte Einlaufrohr für einen Sprüharm mittels einer Kupplung verbunden werden kann. Die Zuführungsleitung weist einen in Richtung zum Einlaufrohr vorstehenden offenen Anschlussstutzen und zwei in Richtung zum Einlaufrohr vorstehende geschlossene Blindstutzen auf. Einer der geschlossenen Blindstutzen ist oberhalb und der andere Blindstutzen ist unterhalb des Anschlussstutzens angeordnet. Die Kupplung umfasst zwei übereinander angeordnete Öffnungen, in die jeweils der Anschlussstutzen und einer der Blindstutzen einragt. Je nach Höhenverstellung des Geschirrkorbes ragt der Anschlussstutzen entweder in die eine oder in die andere Öffnung der Kupplung. Je nach verwendeter Öffnung kann eine von der Zuführungsleitung unter Druck stehende Spülflotte entweder direkt in das Einlaufrohr strömen oder wird über das Gehäuse der Kupplung in das Einlaufrohr geleitet. Das Umleiten der Spülflotte über das Gehäuse der Kupplung ist jedoch hydraulisch ungünstig.Such a dishwasher is eg in the EP 0 796 587 A2 disclosed. On the rear wall of the washing container of this dishwasher, a supply line is fixed, with which the horizontally attached to a height-adjustable dish rack of the dishwasher inlet pipe for a spray arm can be connected by means of a coupling. The supply line has an open in the direction of the inlet pipe open connection piece and two in the direction of the inlet pipe projecting closed blind nozzle. One of the closed blind stubs is above and the other blind stub is located below the connecting piece. The coupling comprises two superimposed openings, in each of which the connecting piece and one of the blind stub protrudes. Depending on the height adjustment of the crockery basket, the connecting piece either projects into one or the other opening of the coupling. Depending on the opening used, a washing liquor pressurized by the supply line can either flow directly into the inlet pipe or is guided into the inlet pipe via the housing of the coupling. However, the rerouting of the rinsing liquor via the housing of the coupling is hydraulically unfavorable.

Eine ähnliche Geschirrspülmaschine ist ench auch EP-A-1935 322 (Stand der Technik gemäß Art. 54(3) EPÜ) bekannt.A similar dishwasher is also EP-A-1935322 (Prior art according to Art. 54 (3) EPC).

Die Aufgabe der vorliegenden Erfindung ist es daher, eine Geschirrspülmaschine mit einem höhenverstellbaren Geschirrkorb, an dem ein Einlaufrohr für einen Sprüharm angeordnet ist, zu schaffen, die eine Vorraussetzung für eine verbesserte hydraulische Führung der von der Zuführungsleitung stammenden Spülflotte in das Einlaufrohr bietet.The object of the present invention is therefore to provide a dishwasher with a height-adjustable crockery basket, on which an inlet pipe for a spray arm is arranged, which provides a prerequisite for improved hydraulic guidance of the feed line originating rinse water into the inlet pipe.

Die Aufgabe der Erfindung wird gelöst durch eine Geschirrspülmaschine, aufweisend einen Spülbehälter mit wenigstens einer Seitenwand, einen zumindest teilweise aus dem Spülbehälter herausziehbaren und höhenverstellbaren Geschirrkorb, einen Sprüharm, ein am Geschirrkorb angeordnetes Einlaufrohr für den Sprüharm, und eine Kupplungsvorrichtung mit einer ersten Teilkupplung und einer zweiten Teilkupplung, wobei die erste Teilkupplung an der Seitenwand angeordnet ist und eine Anzahl N übereinander angeordneter erster Öffnungen aufweist, aus denen im Betrieb der Geschirrspülmaschine eine unter Druck stehende Spülflotte heraustreten kann, die zweite Teilkupplung mit dem Einlaufrohr verbunden ist und eine zweite Öffnung aufweist, die je nach Höhenverstellung des Geschirrkorbes mit einer der ersten Öffnungen der ersten Teilkupplung zusammenwirkt, sodass die Spülflotte durch die mit der zweiten Öffnung zusammenwirkenden ersten Öffnung und durch die zweite Öffnung im Betrieb der Geschirrspülmaschine durchtritt und über das Einlaufrohr zum Sprüharm strömt, und die zweite Teilkupplung derart ausgeführt ist, dass sie die restlichen, nicht mit der zweiten Öffnung zusammenwirkenden ersten Öffnungen verschließt.The object of the invention is achieved by a dishwasher comprising a rinsing container with at least one side wall, a crockery basket which can be pulled out of the rinsing container and height-adjustable, a spray arm, an inlet pipe arranged on the crockery basket for the spray arm, and a coupling device with a first part coupling and a second sub-coupling, wherein the first sub-coupling is arranged on the side wall and a number N of superimposed first openings, from which during operation of the dishwasher a below Pressure standing wash liquor can emerge, the second sub-coupling is connected to the inlet pipe and having a second opening, which cooperates with one of the first openings of the first sub-coupling depending on the height adjustment of the dish rack, so that the wash liquor through the cooperating with the second opening and the first opening the second opening passes during operation of the dishwasher and flows via the inlet pipe to the spray arm, and the second partial coupling is designed such that it closes the remaining, not cooperating with the second opening first openings.

Die erfindungsgemäße Geschirrspülmaschine weist die Kupplungsvorrichtung auf, über die das am höhenverstellbaren Geschirrkorb, insbesondere horizontal angeordnete Einlaufrohr für den Sprüharm im Betreib der Geschirrspülmaschine mit der Spülflotte versorgt wird. Die Kupplungsvorrichtung weist die an der Seitenwand des Spülbehälters angeordnete erste Teilkupplung auf, die wiederum mit den ersten Öffnungen versehen ist. Durch die ersten Öffnungen kann potenziell die unter Druck stehende Spülflotte herausströmen. Die Seitenwand kann insbesondere die Rückwand des Spülbehälters sein.The dishwasher according to the invention has the coupling device, via which the height-adjustable dish rack, in particular horizontally arranged inlet pipe for the spray arm in the operation of the dishwasher is supplied with the rinsing liquor. The coupling device has the first partial coupling arranged on the side wall of the washing container, which in turn is provided with the first openings. The pressurized flushing solution can potentially escape through the first openings. The side wall may in particular be the rear wall of the washing compartment.

Die zweite Teilkupplung der Kupplungsvorrichtung ist mit dem Einlaufrohr verbunden und weist die zweite Öffnung auf. Je nach Höhenverstellung des Geschirrkorbes wirkt die zweite Öffnung mit einer der ersten Öffnung zusammen, sodass die Spülflotte durch diese erste Öffnung und durch die zweite Öffnung in das Einlaufrohr gelangen kann. Somit strömt die Spülflotte stets durch die zweite Öffnung der zweiten Teilkupplung in das Einlaufrohr. Wird z.B. die erfindungsgemäße Geschirrspülmaschine derart ausgeführt, dass die zweite Teilkupplung derart mit dem Einlaufrohr verbunden ist, dass die Spülflotte direkt über die zweite Öffnung in das Einlaufrohr strömen kann, ohne beispielsweise durch eine Wandung der zweiten Teilkupplung umgelenkt zu werden, so sind Vorraussetzungen geschaffen, dass im Betrieb der erfindungsgemäßen Geschirrspülmaschine unabhängig von der Höhenverstellung des Geschirrkorbes stets die Spülflotte über die Kupplungsvorrichtung direkt in das Einlaufrohr strömt, wodurch eine relativ günstige hydraulische Führung der Spülflotte möglich ist.The second sub-coupling of the coupling device is connected to the inlet pipe and has the second opening. Depending on the height adjustment of the dish rack, the second opening cooperates with one of the first opening, so that the washing liquor can pass through this first opening and through the second opening into the inlet pipe. Thus, the rinsing fluid always flows through the second opening of the second part of the coupling into the inlet pipe. If e.g. the dishwasher according to the invention carried out such that the second sub-coupling is connected to the inlet pipe so that the rinsing water can flow directly through the second opening in the inlet pipe, without being deflected for example by a wall of the second sub-coupling, so conditions are created that in Operation of the dishwasher according to the invention regardless of the height adjustment of the dish rack always the rinsing liquor flows directly into the inlet pipe via the coupling device, whereby a relatively favorable hydraulic guidance of the rinsing liquor is possible.

Ferner ist die zweite Teilkupplung derart ausgeführt, dass sie im Betrieb die restlichen, nicht mit der zweiten Öffnung zusammenwirkenden ersten Öffnungen verschließt, sodass lediglich durch die mit der zweiten Öffnung zusammenwirkenden ersten Öffnung die Spülflotte strömt.Furthermore, the second partial clutch is designed such that in operation it closes the remaining first openings, which do not interact with the second opening, so that only through the first opening cooperating with the second opening, the rinsing liquor flows.

Nach einer Variante der erfindungsgemäßen Geschirrspülmaschine weist die erste Teilkupplung im Wesentlichen gleichartige erste Stutzen auf, die jeweils eine der ersten Öffnungen umfassen, und ist die zweite Öffnung der zweiten Teilkupplung derart ausgeführt, dass die ersten Stutzen in die zweite Öffnung gesteckt werden können. Diese Ausführungsform ermöglicht es beispielsweise, dass die gewünschte erste Öffnung zuverlässig mit der zweiten Öffnung zusammenwirkt. So kann z.B. vermieden werden, dass die relevante erste Öffnung und die zweite Öffnung sich teilweise überlappen, wodurch der Querschnitt für die Zuführung der Spülflotte zum Einlaufrohr verkleinert wird, was unter Umständen eine Verschlechterung des Spülvorgangs zur Folge haben könnte.According to a variant of the dishwasher according to the invention, the first sub-coupling substantially similar first nozzle, each comprising one of the first openings, and the second opening of the second sub-coupling is designed such that the first nozzle can be inserted into the second opening. This embodiment makes it possible, for example, that the desired first opening cooperates reliably with the second opening. Thus, e.g. it is avoided that the relevant first opening and the second opening partially overlap, whereby the cross section for the supply of the rinsing liquor to the inlet pipe is reduced, which could possibly lead to a deterioration of the rinsing process.

Unter einem Stutzen versteht man insbesondere ein relativ kurzes Ansatzrohr, wobei in diesem Zusammenhang die den Querschnitt der Stutzen nicht notwendigerweise kreisförmig ausgebildet sein müssen.In particular, a nozzle is understood to mean a relatively short nozzle tube, in which connection the cross-section of the nozzle does not necessarily have to be circular.

Die zweite Teilkupplung kann oberhalb und unterhalb der zweiten Öffnung wenigstens (N-1) Vertiefungen aufweist, in die die restlichen, nicht mit der zweiten Öffnung zusammenwirkenden ersten Stutzen gesteckt werden können, um deren erste Öffnungen zu verschließen. Dadurch können die restlichen ersten Öffnungen, durch die im Betrieb der erfindungsgemäßen Geschirrspülmaschine keine Spülflotte strömen soll, besser verschlossen werden. Die Vertiefungen können insbesondere mit Dichtungen versehen sein.The second sub-coupling may have at least (N-1) recesses above and below the second opening into which the remaining first sockets not cooperating with the second opening may be inserted in order to close their first openings. As a result, the remaining first openings, through which no rinsing liquor should flow during operation of the dishwasher according to the invention, can be better closed. The depressions can be provided in particular with seals.

Die zweite Öffnung kann eine sich zum Inneren der zweiten Teilkupplung verengende konische Form und/oder die ersten Stutzen können eine sich zum Äußeren der ersten Teilkupplung verengende konische Form aufweisen. Dies kann ein zuverlässiges Einführen des relevanten ersten Stutzens in die zweite Öffnung und gegebenenfalls ein Einführen der restlichen ersten Stutzen in die Vertiefungen der zweiten Teilkupplung unterstützen.The second opening may have a conical shape narrowing towards the interior of the second part-coupling, and / or the first connecting pieces may have a conical shape constricting to the exterior of the first part-coupling. This can assist a reliable introduction of the relevant first nozzle into the second opening and, if appropriate, an insertion of the remaining first nozzle into the recesses of the second partial coupling.

Die ersten Stutzen können Dichtungen aufweisen, die zumindest teilweise das Äußere der ersten Stutzen umgeben. Die Dichtungen können insbesondere in Kombination mit den Vertiefungen der zweiten Teilkupplung eine zuverlässiges Verschließen der restlichen ersten Öffnungen unterstützen.The first sockets may have seals that at least partially surround the exterior of the first sockets. The seals can assist in reliably closing the remaining first openings, in particular in combination with the depressions of the second part coupling.

Nach einer Variante der erfindungsgemäßen Geschirrspülmaschine weist deren zweite Teilkupplung einen zweiten Stutzen auf, der die zweite Öffnung umfasst, und sind deren erste Öffnungen der ersten Kupplung derart ausgeführt, dass der zweite Stutzen in die ersten Öffnungen gesteckt werden kann. Diese Ausführungsform ermöglicht es beispielsweise, dass die gewünschte erste Öffnung zuverlässig mit der zweiten Öffnung zusammenwirkt. So kann z.B. vermieden werden, dass sich die relevante erste Öffnung und die zweite Öffnung teilweise überlappen, wodurch der Querschnitt für die Zuführung der Spülflotte zum Einlaufrohr verkleinert wird, was unter Umständen eine Verschlechterung des Spülvorgangs zur Folge haben könnte.According to a variant of the dishwasher according to the invention, the second part of the coupling has a second nozzle, which comprises the second opening, and their first openings of the first coupling are designed such that the second nozzle can be inserted into the first openings. This embodiment makes it possible, for example, that the desired first opening cooperates reliably with the second opening. Thus, e.g. It is avoided that the relevant first opening and the second opening partially overlap, whereby the cross section for the supply of the rinsing liquor to the inlet pipe is reduced, which could possibly lead to a deterioration of the rinsing process.

Die ersten Öffnungen können eine sich zum Inneren der ersten Teilkupplung verengende konische Form und/oder der zweite Stutzen kann eine sich zum Äußeren der zweiten Teilkupplung verengende konische Form aufweisen. Dies kann ein zuverlässiges Einführen des zweiten Stutzens in die relevante erste Öffnung unterstützenThe first openings may have a conical shape narrowing towards the interior of the first part coupling and / or the second neck may have a conical shape narrowing towards the exterior of the second part coupling. This may assist in reliably introducing the second nozzle into the relevant first aperture

Der zweite Stutzen kann eine Dichtung aufweisen, die zumindest teilweise das Äußere des zweiten Stutzens umgibt.The second nozzle may have a seal which at least partially surrounds the exterior of the second nozzle.

Gemäß einer weiteren Ausführungsform der erfindungsgemäßen Geschirrspülmaschine weist deren zweite Teilkupplung oberhalb und unterhalb des zweiten Stutzens (N-1) Zapfen auf, die in die restlichen, nicht mit der zweiten Öffnung des zweiten Stutzens zusammenwirkenden ersten Öffnungen gesteckt werden können, um diese zu verschließen. Die Zapfen können ein zuverlässiges Verschließen der restlichen ersten Öffnungen unterstützen.According to a further embodiment of the dishwasher according to the invention, the second sub-coupling above and below the second nozzle (N-1) on pins which can be inserted into the remaining, not cooperating with the second opening of the second nozzle first openings to close them. The pins can assist in reliably closing the remaining first openings.

Die Zapfen können eine sich zum Äußeren der zweiten Teilkupplung verengende konische Form aufweisen, wodurch ein zuverlässiges Einführen der Zapfen in die restlichen ersten Öffnungen unterstützt werden kann.The pins may have a tapered to the exterior of the second sub-coupling conical shape, whereby a reliable insertion of the pins can be supported in the remaining first openings.

Um gegebenenfalls ein zuverlässiges Verschließen der restlichen ersten Öffnungen zu unterstützen, können die Zapfen Dichtungen aufweisen, die zumindest teilweise das Äußere der Zapfen umgeben.In order to optionally support a reliable closing of the remaining first openings, the pins may have seals which at least partially surround the exterior of the pins.

Nach einer weiteren Variante der erfindungsgemäßen Geschirrspülmaschine weist die zweite Teilkupplung oberhalb und unterhalb des zweiten Stutzens (N-1) dritte Stutzen auf, die im Wesentlichen dem zweiten Stutzen entsprechen und der zweiten Öffnung entsprechende dritte Öffnungen aufweisen, die jeweils mit einer lösbaren oder unlösbaren Verschlussvorrichtung verschlossen sind, wobei die dritten Stutzen in die restlichen, nicht mit der zweiten Öffnung des zweiten Stutzens zusammenwirkenden ersten Öffnungen gesteckt werden können, um diese zu verschließen. Die mit den Verschlussvorrichtungen verschlossenen dritten Stutzen wirken ähnlich den Zapfen der weiter oben angesprochenen Variante der erfindungsgemäßen Geschirrspülmaschine. Da die dritten Stutzen im Wesentlichen dem zweiten Stutzen entsprechen, kann es möglich sein, die zweite Teilkupplung kostengünstiger herzustellen. Die Verschlussvorrichtungen können z.B. insbesondere konisch ausgeführte Deckel sein, die z.B. lösbar auf die dritten Öffnungen der dritten Stutzen gesteckt, geklemmt oder geschraubt werden. Die dritten Öffnungen können auch mit den dritten Stutzen unlösbar verbunden sein, um die dritten Öffnungen zu verschließen.According to a further variant of the dishwasher according to the invention, the second sub-coupling above and below the second nozzle (N-1) third sockets which correspond substantially to the second nozzle and the second opening corresponding third openings, each with a detachable or non-detachable closure device are closed, wherein the third port can be plugged into the remaining, not cooperating with the second opening of the second nozzle first openings to close them. The sealed with the closure devices third nozzle act similar to the pin of the above-mentioned variant of the dishwasher according to the invention. Since the third sockets essentially correspond to the second sockets, it may be possible to produce the second part coupling more cheaply. The closure devices may e.g. in particular conically shaped lids, e.g. detachably mounted on the third openings of the third socket, clamped or screwed. The third openings may also be non-releasably connected to the third sockets to close the third openings.

Die dritten Stutzen und/oder die Verschlussvorrichtungen der dritten Stutzen können eine sich zum Äußeren der zweiten Teilkupplung verengende konische Form aufweisen, um z.B. ein zuverlässiges Einführen der dritten Stutzen in die restlichen ersten Öffnungen zu unterstützen.The third sockets and / or the closure means of the third sockets may have a conical shape narrowing towards the exterior of the second sub-coupling, e.g. to assist reliable insertion of the third ports into the remaining first ports.

Um die restlichen ersten Öffnungen zuverlässig zu verschließen, können die dritten Stutzen beispielsweise Dichtungen aufweisen, die zumindest teilweise das Äußere der dritten Stutzen umgeben.In order to reliably close the remaining first openings, the third connection piece may have, for example, seals which at least partially surround the exterior of the third connection piece.

Gemäß einer Ausführungsform der erfindungsgemäßen Geschirrspülmaschine weist die erste Teilkupplung im Wesentlichen gleichartige erste Stutzen, die jeweils eine der ersten Öffnungen umfassen, und die zweite Teilkupplung den zweiten Stutzen und gegebenenfalls die Zapfen bzw. die mit den Verschlussvorrichtungen verschlossenen dritten Stutzen auf, wobei der zweite Stutzen in den relevanten ersten Stutzen im Betrieb der Geschirrspülmaschine steckt und gegebenenfalls die Zapfen bzw. die dritten Stutzen in den restlichen ersten Stutzen stecken. Diese Ausführungsform kann folgende Vorteile aufweisen:

  • Hydraulisch günstig, da die Querschnitte der ersten Öffnung im Wesentlichen gleich ausgeführt werden können;
  • relativ geringer Platzbedarf für den Geschirrkorb, der insbesondere ein Oberkorb ist, da die Kupplungsvorrichtung relativ klein ausgeführt werden kann;
  • Gewichtsausgleich des Geschirrkorbes kann ermöglicht werden;
  • durch die Zapfen bzw. Stutzen kann eine zuverlässiges Verschließen der restlichen ersten Öffnungen erreicht werden;
  • die Kupplungsvorrichtung kann derart ausgeführt werden, dass sie keine bewegten Dichtungen aufweist, und
  • es können alle nötigen Dichtungen an der zweiten Teilkupplung angeordnet werden.
According to one embodiment of the dishwasher according to the invention, the first sub-coupling substantially similar first nozzle, each comprising one of the first openings, and the second sub-coupling the second nozzle and optionally the pin or sealed with the closure devices third nozzle, wherein the second nozzle in the relevant first socket in the operation of the dishwasher inserted and, if necessary, put the pin or the third nozzle in the remaining first nozzle. This embodiment can have the following advantages:
  • Hydraulically favorable, since the cross sections of the first opening can be made substantially the same;
  • relatively small space requirement for the dish rack, which is in particular an upper basket, since the coupling device can be made relatively small;
  • Weight compensation of the crockery basket can be made possible;
  • a reliable closing of the remaining first openings can be achieved by the pins or nozzles;
  • the coupling device can be designed such that it has no moving seals, and
  • All the necessary seals can be arranged on the second part coupling.

Für eine relativ kostengünstige Ausführung kann die zweite Teilkupplung und das Einlaufrohr einstückig ausgebildet sein. Weist die erfindungsgemäße Geschirrspülmaschine ein an der Seitenwand angeordnetes Zuführrohr für die Spülflotte auf, dann kann das Zuführrohr mit der ersten Teilkupplung verbunden und insbesondere mit der ersten Teilkupplung einstückig ausgeführt sein.For a relatively inexpensive design, the second part of the coupling and the inlet pipe may be integrally formed. If the dishwasher according to the invention has a feed tube for the wash liquor arranged on the side wall, then the feed tube can be connected to the first part coupling and, in particular, can be made in one piece with the first part coupling.

Ein Ausführungsbeispiel der Erfindung ist exemplarisch in den beigefügten schematischen Zeichnungen dargestellt. Es zeigen:

Figur 1
einen Schnitt durch einen Teil einer Geschirrspülmaschine mit einer Kupplung zum Ankoppeln eines mit einem Einlaufrohr eines Sprüharms und
Figur 2 - 7
verschiedene Ansichten der Kupplung zum Ankoppeln des Einlaufrohrs.
An embodiment of the invention is illustrated by way of example in the accompanying schematic drawings. Show it:
FIG. 1
a section through a portion of a dishwasher with a coupling for coupling one with an inlet pipe of a spray arm and
Figure 2-7
different views of the coupling for coupling the inlet pipe.

Die Fig. 1 zeigt einen Schnitt eines Teils einer Geschirrspülmaschine 1 mit einem nur teilweise dargestellten Spülbehälter 2, aus dem ein nicht näher dargestellter, jedoch allgemein bekannter höhenverstellbarer Geschirrkorb zumindest teilweisweise herausgezogen werden kann. Am Geschirrkorb ist ein Sprüharm 3 und dessen Einlaufrohr 4 befestigt. Der Sprüharm 3 ist mittels einer nicht näher erläuterten Lagerung an dem im Falle des vorliegenden Ausführungsbeispiels horizontal verlaufenden Einlaufohr 4 gelagert und das Einlaufrohr 4 ist mittels einer Aufnahme 5, die im Falle des vorliegenden Ausführungsbeispiels einstückig an dem Einlaufrohr 4 angeformt ist, über nicht gezeigten Längsdrähten des Geschirrkorbes an diesem befestigt.The Fig. 1 shows a section of a portion of a dishwasher 1 with a rinse tank 2 shown only partially, from which a non-illustrated, but generally known height-adjustable dish rack can be at least partially pulled out. On the crockery basket, a spray arm 3 and its inlet pipe 4 is attached. Of the Spray arm 3 is supported by means of a non-illustrated storage on the horizontally extending in the case of the present embodiment inlet pipe 4 and the inlet pipe 4 is by means of a receptacle 5, which is integrally formed in the case of the present embodiment of the inlet pipe 4, not shown longitudinal wires of Dish rack attached to this.

An einer Seitenwand des Spülbehälters 2, im Falle des vorliegenden Ausführungsbeispiels an der Rückwand 6 des Spülbehälters 2, ist ein Zuführrohr 7 befestigt, durch das im Betrieb der Geschirrspülmaschine 1 eine Spülflotte unter Druck über das Einlaufrohr 4 zum Sprüharm 3 geführt werden kann. Um das Einlaufrohr 4 mit dem Zuführrohr 7 zu koppeln, umfasst im Falle des vorliegenden Ausführungsbeispiels die Geschirrspülmaschine 1 eine in der Figur 2 näher dargestellte Kupplung 8 mit einer ersten Teilkupplung 9 und einer zweiten Teilkupplung 10. Weiter Ansichten der Kupplung 8 sind in den Figuren 3 - 7 gezeigt.On a side wall of the washing compartment 2, in the case of the present embodiment on the rear wall 6 of the washing compartment 2, a supply pipe 7 is fixed, through which a washing liquor can be conducted under pressure via the inlet pipe 4 to the spray arm 3 during operation of the dishwasher 1. In order to couple the inlet pipe 4 with the feed pipe 7, in the case of the present embodiment, the dishwasher 1 comprises a in the FIG. 2 closer coupling 8 shown with a first part of the clutch 9 and a second part clutch 10. Next views of the clutch 8 are in the FIGS. 3 to 7 shown.

Im Falle des vorliegenden Ausführungsbeispiels ist die erste Teilkupplung 9 mit dem Zuführrohr 7 verbunden bzw. ist mit diesem einstückig ausgebildet und weist drei übereinander angeordnete, offene und im Wesentlichen gleich ausgebildete zylinderförmige Stutzen 11 - 13 auf, die eine zum Inneren der ersten Teilkupplung 9 verengende konische Form aufweisen können. Die Stutzen 11 - 13 weisen jeweils eine Öffnung 14 auf, durch die unter Druck stehende und im Betrieb der Geschirrspülmaschine 1 mittels des Zuführrohrs 7 an die erste Teilkupplung 9 herangeführte Spüfflotte heraustreten kann. Ferner sind die oberhalb und unterhalb des mittleren Stutzens 12 angeordneten Stutzten 11, 13 jeweils gleich weit vom mittleren Stutzen 12 entfernt.In the case of the present embodiment, the first part of the clutch 9 is connected to the feed tube 7 and is integrally formed therewith and has three superimposed, open and substantially identically shaped cylindrical nozzle 11 - 13, which constricting to the interior of the first part clutch 9 may have conical shape. The nozzles 11-13 each have an opening 14 through which pressurized spittoon liquor, which is brought into operation during operation of the dishwasher 1 by means of the feed tube 7 to the first partial coupling 9, can emerge. Furthermore, the above and below the central nozzle 12 arranged Stutzten 11, 13 are each equidistant from the central port 12.

Im Falle des vorliegenden Ausführungsbeispiels umfasst die zweite Teilkupplung 10 fünf übereinander angeordnet und im Wesentlichen gleich ausgebildete zylinderförmige Stutzen 15 - 19, die jeweils eine Öffnung 20 aufweisen. Die Stutzen 15 - 19 können eine sich zum Äußeren der zweiten Teilkupplung 10 verengende konische Form aufweisen und die Abstände zwischen jeweils zwei benachbarte Stutzen 15 - 19 sind im Wesentlichen identisch. Ferner sind die Außendurchmesser der einzelnen Stutzen 15 - 19 der zweiten Teilkupplung 10 derart ausgeführt, dass diese in die Öffnungen 14 der Stutzen 11 - 13 der ersten Teilkupplung 9 gesteckt werden können. Außerdem sind die oberhalb und unterhalb des mittleren Stutzens 17 der zweiten Teilkupplung 10 angeordneten Stutzen 15, 16, 18, 19 mit jeweils einem Deckel 21 versehen, die die Öffnungen 20 dieser Stutzen 15, 16, 18, 19 verschließen. Die Deckel 21 können mit den Stutzen 15, 16, 18, 19 unlösbar oder lösbar verbunden sein und ein konische Form aufweisen.In the case of the present exemplary embodiment, the second partial coupling 10 comprises five cylindrical stubs 15-19, which are arranged one above the other and have substantially the same shape, each having an opening 20. The sockets 15-19 may have a conical shape narrowing toward the exterior of the second sub-coupling 10, and the distances between each two adjacent sockets 15-19 are substantially identical. Furthermore, the outer diameters of the individual connecting pieces 15-19 of the second partial coupling 10 are designed such that they can be inserted into the openings 14 of the connecting pieces 11-13 of the first partial coupling 9. In addition, the above and below the central nozzle 17 of the second sub-coupling 10 arranged nozzle 15, 16, 18, 19 each provided with a lid 21, which close the openings 20 of the nozzle 15, 16, 18, 19. The cover 21 may be permanently or detachably connected to the nozzle 15, 16, 18, 19 and have a conical shape.

Die beiden Teilkupplungen 9, 10 sind dafür vorgesehen, im Betrieb der Geschirrspülmaschine 1 ineinander gesteckt zu werden. Je nach Höhenverstellung des Geschirrkorbes wird, wenn der Geschirrkorb in den Spülbehälter 2 geschoben wird, der mittlere Stutzen 17 der zweiten Teilkupplung 10 in die Öffnung 14 einer der drei Stutzen 11 - 13 der ersten Teilkupplung 9 gesteckt.The two partial clutches 9, 10 are intended to be inserted into one another during operation of the dishwasher 1. Depending on the height adjustment of the crockery basket, when the crockery basket is pushed into the washing compartment 2, the middle connecting piece 17 of the second partial coupling 10 is inserted into the opening 14 of one of the three connecting pieces 11-13 of the first partial coupling 9.

Die Figur 5 veranschaulicht ein Szenario, bei dem sich der Geschirrkorb in einer oberen Position befindet und demnach beim Hineinschieben des Geschirrkorbes in den Spülbehälter 2 der mittlere Stutzen 17 der zweiten Teilkupplung 10 in die Öffnung 14 des oberen Stutzens 13 geführt wird. Die beiden übrigen Stutzen 11, 12 der ersten Teilkupplung 9 sind derart voneinander beabstandet und die übrigen mit den Deckeln 21 verschlossenen Stutzen 15, 16, 18, 19 der zweiten Teilkupplung 10 sind derart voneinander beabstandet, dass die unteren und mit Deckeln 21 verschlossenen Stutzen 15, 16 in die Öffnungen 14 der Stutzen 11, 12 geschoben werden und dabei die Öffnungen 14 der Stutzen 11, 12 verschließen.The FIG. 5 illustrates a scenario in which the crockery basket is in an upper position and therefore when inserting the crockery basket in the washing compartment 2, the middle port 17 of the second part of the clutch 10 is guided into the opening 14 of the upper nozzle 13. The other two stubs 11, 12 of the first sub-coupling 9 are spaced apart from each other and the remaining with the lids 21 closed nozzle 15, 16, 18, 19 of the second sub-coupling 10 are spaced apart such that the lower and closed with lids 21 nozzle. 15 , 16 are pushed into the openings 14 of the nozzle 11, 12 and thereby close the openings 14 of the nozzle 11, 12.

Die Figur 6 veranschaulicht ein Szenario, bei dem sich der Geschirrkorb in einer mittleren Position befindet und demnach beim Hineinschieben des Geschirrkorbes in den Spülbehälter 2 der mittlere Stutzen 17 der zweiten Teilkupplung 10 in die Öffnung 14 des mittleren Stutzens 12 geführt wird. In den unteren Stutzen 11 der ersten Teilkupplung 9 wird der mit dem Deckel 21 verschlossene Stutzen 16, der sich direkt unterhalb des mittleren und unverschlossenen Stutzens 17 der zweiten Teilkupplung 10 befindet, hineingeschoben, um die Öffnung 14 diese Stutzens 11 zu verschließen. In den oberen Stutzen 13 der ersten Teilkupplung 9 wird der mit dem Deckel 21 verschlossene Stutzen 18, der sich direkt oberhalb des mittlern und unverschlossenen Stutzens 17 der zweiten Teilkupplung 10 befindet, hineingeschoben, um die Öffnung 14 diese Stutzens 13 zu verschließen.The FIG. 6 illustrates a scenario in which the crockery basket is in a middle position and thus when inserting the crockery basket in the washing compartment 2, the middle port 17 of the second part of the clutch 10 is guided in the opening 14 of the middle nozzle 12. In the lower socket 11 of the first part of the coupling 9 closed with the lid 21 nozzle 16, which is located directly below the middle and unsealed neck 17 of the second part of the coupling 10, pushed to close the opening 14 of the nozzle 11. In the upper nozzle 13 of the first part of the coupling 9 closed with the lid 21 Stutzen 18, which is located directly above the middle and unsealed neck 17 of the second part of the coupling 10, pushed to close the opening 14 of the nozzle 13.

Die Figur 7 veranschaulicht ein Szenario, bei dem sich der Geschirrkorb in einer unteren Position befindet und demnach beim Hineinschieben des Geschirrkorbes in den Spülbehälter 2 der mittlere und unverschlossene Stutzen 17 der zweiten Teilkupplung 10 in die Öffnung 14 des unteren Stutzens 11 geführt wird. In die beiden übrigen Stutzen 12, 13 der ersten Teilkupplung 9 werden die beiden oberhalb des mittleren und unverschlossenen Stutzens 17 angeordneten verschlossenen Stutzen 18, 19 hineingeschoben, um die Stutzen 12, 13 zu verschließen.The FIG. 7 illustrates a scenario in which the crockery basket is in a lower position and therefore when inserting the crockery basket in the washing container 2, the middle and unsealed neck 17 of the second part of the clutch 10 in the Opening 14 of the lower nozzle 11 is guided. In the other two nozzles 12, 13 of the first part of the coupling 9, the two above the middle and unclosed nozzle 17 arranged sealed connection 18, 19 are pushed to close the nozzle 12, 13.

Im Falle des vorliegenden Ausführungsbeispiels sind die zweite Teilkupplung 10 und das Einlaufrohr 4 außerdem derart einstückig ausgebildet, dass der mittlere Stutzen 17 der zweiten Teilkupplung 10 einen Teil des Einlaufrohrs 4 darstellt. Somit gelangt die unter Druck stehende Spülflotte über diejenige Öffnung 14 des Stutzens 11, 12, 13 der ersten Teilkupplung 9, in dem der unverschlossene Stutzen 17 der zweiten Teilkupplung 10 steckt, direkt in das Einlaufrohr 4, ohne über eine Wandung der zweiten Teilkupplung 10 umgeleitet zu werden.In the case of the present embodiment, the second part of the clutch 10 and the inlet pipe 4 are also integrally formed such that the middle port 17 of the second part of the coupling 10 is a part of the inlet pipe 4. Thus, the pressurized rinsing liquor passes through that opening 14 of the nozzle 11, 12, 13 of the first sub-coupling 9, in which the unsealed nozzle 17 of the second sub-coupling 10 is inserted directly into the inlet pipe 4, without diverted via a wall of the second sub-coupling 10 to become.

Im Falle des vorliegenden Ausführungsbeispiels sind die Stutzen 15-19 der zweiten Teilkupplung 10 mit Dichtungen 22 versehen.In the case of the present embodiment, the connecting pieces 15-19 of the second partial coupling 10 are provided with seals 22.

Im Betrieb der Geschirrspülmaschine 1 wird von einer nicht gezeigten Umwälzpumpe über das Zuführrohr 7 und über das Einlaufrohr 4 von dem Sprüharm 3 zu versprühende Spülflotte in das Zuführrohr 7 gefördert.During operation of the dishwasher 1, a rinsing liquor to be sprayed into the feed tube 7 is conveyed by the spray arm 3 from a circulating pump (not shown) via the feed tube 7 and via the inlet tube 4.

Anstelle der mit den Deckeln 21 versehenen Stutzen 15, 16, 18, 19 der zweiten Teilkupplung 10 kann die zweite Teilkupplung 10 auch Zapfen aufweisen, die gegebenenfalls die Öffnungen 14 der Stutzen 11 - 13 der ersten Teilkupplung 9 verschließen.Instead of the lugs provided with the lids 21, 18, 19 of the second part of the coupling 10, the second part of coupling 10 may also have pins which optionally close the openings 14 of the stub 11 - 13 of the first part of the coupling 9.

Claims (14)

  1. Dishwasher comprising at least one washing compartment (2) having at least one sidewall (6), a height-adjustable basket which can be at least partially withdrawn from the washing compartment (2), a spray arm (3), a feed pipe (4) for the spray arm (3), said feed pipe (4) being disposed on the basket, and a coupling device (8) comprising a first part-coupling (9) disposed on the sidewall (6) and having first openings (14), and a second part-coupling (10) which can be connected to the feed pipe (4) and has a second opening (20) which, depending on the height adjustment of the basket, cooperates with one of the first openings (14) of the first part-coupling (9) such that during operation of the dishwasher (1) the washing liquor passes through the first opening (14) cooperating with the second opening (20) and through the second opening (20) and flows via the feed pipe (4) to the spray arm (3), characterised in that the first part-coupling (9) has a number N of first openings (14) arranged vertically one above the other from which a washing liquor under pressure can be discharged during operation of the dishwasher (1), and the second part-coupling (10) is embodied in such a way that it closes the remaining first openings (14) that are not cooperating with the second opening (20).
  2. Dishwasher according to claim 1, characterised in that the feed pipe (4) is disposed at least approximately horizontally on the dishwasher basket and/or the second part-coupling (10) is embodied in such a way that the washing liquor flows directly into the feed pipe (4) through the second opening (20).
  3. Dishwasher according to claim 1 or 2, characterised in that the first part-coupling (9) has substantially uniform first connection pieces (11-13), each of which encompasses one of the first openings (14), and the second opening (20) of the second part-coupling (10) is embodied in such a way that the first connection pieces (11-13) can be inserted into the second opening (20).
  4. Dishwasher according to claim 3, characterised in that the second opening (20) has a conical shape narrowing towards the interior of the second part-coupling (10), the first connection pieces (11-13) have a conical shape narrowing towards the exterior of the first part-coupling (9), the first connection pieces (11-13) have seals which at least partially surround the exterior of the first connection pieces (11-13) and/or above and below the second opening (20) the second part-coupling (10) has (N-1) recesses into which the remaining first connection pieces (11-13) that are not cooperating with the second opening (20) can be inserted in order to close their first openings (14).
  5. Dishwasher according to claim 1 or 2, characterised in that the second part-coupling (10) has a second connection piece (17) which encompasses the second opening (20), and the first openings (14) of the first part-coupling (9) are embodied in such a way that the second connection piece 17 can be inserted into the first openings (14).
  6. Dishwasher according to claim 5, characterised in that the first openings (14) have a conical shape narrowing towards the interior of the first part-coupling (9), the second connection piece (17) has a conical shape narrowing towards the exterior of the second part-coupling (10) and/or the second connection piece (17) has a seal (22) which at least partially surrounds the exterior of the second connection piece (17).
  7. Dishwasher according to claim 5 or 6, characterised in that above and below the second connection piece (17) the second part-coupling (10) has (N-1) plugs which can be inserted into the remaining first openings (14) that are not cooperating with the second opening (20) of the second connection piece (17) in order to close said openings.
  8. Dishwasher according to claim 7, characterised in that the plugs have a conical shape narrowing towards the exterior of the second part-coupling (10) and/or in which the plugs have seals which at least partially surround the exterior of the plugs.
  9. Dishwasher according to claim 5 or 6, characterised in that above and below the second connection piece (17) the second part-coupling (10) has (N-1) third connection pieces (15, 16, 18, 19) which substantially correspond to the second connection piece (17) and third openings (20) corresponding to the second opening (20), each of which is closed by means of a removable or non-removable closing device (21), and the third connection pieces (15, 16, 18, 19) can be inserted into the remaining first openings (14) that are not cooperating with the second opening (20) of the second connection piece (17) in order to close said openings.
  10. Dishwasher according to claim 9, characterised in that the third connection pieces (15, 16, 18, 19) have a conical shape narrowing towards the exterior of the second part-coupling (10), the third connection pieces (15, 16, 18, 19) have seals (22) which at least partially surround the exterior of the third connection pieces (15, 16, 18, 19), and/or the closing devices (21) of the third connection pieces (15, 16, 18, 19) have a conical shape narrowing towards the exterior of the second part-coupling (10).
  11. Dishwasher according to one of claims 5 to 10, characterised in that the first part-coupling (9) has substantially uniform first connection pieces (11-13), each of which encompasses one of the first openings (14).
  12. Dishwasher according to claim 11, characterised in that the first part-coupling (9) has three first connection pieces (11-13) and the second part-coupling (10) has two plugs in each case arranged above and below the second connection piece (17) or third connection pieces (15, 16, 18, 19).
  13. Dishwasher according to one of claims 1 to 12, characterised in that the second part-coupling (10) and the feed pipe (4) are embodied as a single piece.
  14. Dishwasher according to one of claims 1 to 13, characterised in that a supply pipe (7) disposed on the sidewall (6) is provided for the washing liquor, to which supply pipe (7) the first part-coupling (9) is connected or which is embodied as a single piece with the first part-coupling (9).
EP08803199.2A 2007-08-31 2008-08-25 Hydraulic coupling of a vertically adjustable dish basket of a dishwasher Active EP2187799B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08803199T PL2187799T3 (en) 2007-08-31 2008-08-25 Hydraulic coupling of a vertically adjustable dish basket of a dishwasher

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007041307A DE102007041307A1 (en) 2007-08-31 2007-08-31 dishwasher
PCT/EP2008/061083 WO2009027370A1 (en) 2007-08-31 2008-08-25 Hydraulic coupling of a vertically adjustable dish basket of a dishwasher

Publications (2)

Publication Number Publication Date
EP2187799A1 EP2187799A1 (en) 2010-05-26
EP2187799B1 true EP2187799B1 (en) 2013-08-07

Family

ID=39940578

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08803199.2A Active EP2187799B1 (en) 2007-08-31 2008-08-25 Hydraulic coupling of a vertically adjustable dish basket of a dishwasher

Country Status (7)

Country Link
US (1) US8561624B2 (en)
EP (1) EP2187799B1 (en)
CN (1) CN101790342B (en)
DE (1) DE102007041307A1 (en)
ES (1) ES2425878T3 (en)
PL (1) PL2187799T3 (en)
WO (1) WO2009027370A1 (en)

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DE102008016485A1 (en) 2008-03-31 2009-10-01 BSH Bosch und Siemens Hausgeräte GmbH dishwasher
KR101634173B1 (en) * 2009-04-14 2016-06-28 엘지전자 주식회사 Dish washer
US8778094B2 (en) 2011-05-11 2014-07-15 Whirlpool Corporation Dishwasher with multi-feed washing system
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CN107137039B (en) * 2017-05-15 2020-01-31 珠海格力电器股份有限公司 Dish washing machine
CN110269562A (en) * 2018-03-16 2019-09-24 青岛海尔洗碗机有限公司 A kind of spray structure of dish-washing machine
CN111920357B (en) * 2020-09-02 2024-02-27 珠海格力电器股份有限公司 Dish-washing machine
US12016509B2 (en) 2021-04-01 2024-06-25 Whirlpool Corporation Water feed tube for dishwasher with integrated retainer

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104887162A (en) * 2015-06-25 2015-09-09 佛山市顺德区美的洗涤电器制造有限公司 Spraying arm assembly for dish washing machine
CN104887162B (en) * 2015-06-25 2018-07-13 佛山市顺德区美的洗涤电器制造有限公司 Gushing arm component for dish-washing machine

Also Published As

Publication number Publication date
US20110155190A1 (en) 2011-06-30
DE102007041307A1 (en) 2009-03-05
CN101790342A (en) 2010-07-28
PL2187799T3 (en) 2013-12-31
US8561624B2 (en) 2013-10-22
EP2187799A1 (en) 2010-05-26
CN101790342B (en) 2012-04-11
ES2425878T3 (en) 2013-10-17
WO2009027370A1 (en) 2009-03-05

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