EP2422682B1 - Dishwasher with a damping device and method for producing a damping device - Google Patents

Dishwasher with a damping device and method for producing a damping device Download PDF

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Publication number
EP2422682B1
EP2422682B1 EP11167213.5A EP11167213A EP2422682B1 EP 2422682 B1 EP2422682 B1 EP 2422682B1 EP 11167213 A EP11167213 A EP 11167213A EP 2422682 B1 EP2422682 B1 EP 2422682B1
Authority
EP
European Patent Office
Prior art keywords
damping device
housing
dishwasher
piston
washing compartment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP11167213.5A
Other languages
German (de)
French (fr)
Other versions
EP2422682A3 (en
EP2422682A2 (en
Inventor
Franz Kiechle
Karlheinz Rehm
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP2422682A2 publication Critical patent/EP2422682A2/en
Publication of EP2422682A3 publication Critical patent/EP2422682A3/en
Application granted granted Critical
Publication of EP2422682B1 publication Critical patent/EP2422682B1/en
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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
    • A47L15/507—Arrangements for extracting racks, e.g. roller supports
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material

Definitions

  • the invention relates to a dishwasher, in particular domestic dishwasher, comprising a rinsing container, at least one by means of guides out of the washing out and into the washing compartment movable dish container and at least one damping device for damping a movement of the dishware, wherein the damping device is disposed within the washing compartment. Furthermore, the invention relates to a method for producing a damping device for a dishwasher according to the invention.
  • Such a dishwasher with a dish container and a damping device is for example from the US 2010/0051067 A1 known.
  • the disclosed dishwashing machine comprises a washing tub having a bottom pan, a plurality of walls, and a front appliance door.
  • the utensil container is movable out of the washing container and into the washing container by means of guides arranged on both sides and in the washing container.
  • a damping device is arranged in the embodiment of a biasing device, which serves to damp a movement of the dishware.
  • the pretensioner includes a strut assembly and is operated with either a gas or a fluid.
  • the disclosure DE 10 2005 010 616 A1 a dishwasher with a rinsing container in which two baskets for receiving dishes to be cleaned are arranged.
  • the baskets can be moved out of the washing and moved into the washing in it.
  • the drive may comprise an electric motor or be designed as a force storage. If an energy storage device is used as the drive, then the movement initiated by the energy storage device can be damped by a damping means, at least in the movement end phase.
  • the object of the invention is achieved in that two arranged on the dish container and / or on its guides stops are provided, between which the damping device is arranged on the washing so that the stops cooperate with their piston rod such that when moving out of the dish container one of the limits pushes the piston rod in a first direction from the rinsing container and in the washing compartment in a direction opposite to the first direction when moving the dishware in.
  • the piston automatically displaced by means of the relevant stop and the piston rod so inside the housing so that when moving in, especially when manually pushing the dish container in the washing the piston rod abuts against the relevant stop and thereby displaces the piston within the housing.
  • the damping device can develop its damping effect each time the dish container is moved in, and in particular dampens the movement of the dish container each time it is moved in anew.
  • the damping device arranged inside the dishwashing container can be mounted relatively easily.
  • the rinsing container also offers more space than, for example, the cramped conditions behind the rear wall of the rinsing container, for example. Due to the arrangement of the damping device within the washing container, it is also possible that the damping device can be better coupled to the dish container to dampen its movement.
  • the damping device is arranged or attached to the washing container, in particular on a side wall of the washing compartment.
  • the damping device of the dishwasher according to the invention is preferably attached with its housing to the washing compartment, in particular to a side wall of the washing compartment.
  • a fastening device formed on the housing can be provided by means of which the damping device is fastened to the rinsing container.
  • the fastening device is designed, for example, as a tab.
  • the damping device preferably has a piston rod on which the at least one piston is arranged, wherein the at least one piston is displaceably mounted within the housing by means of the piston rod.
  • the piston rod may be coupled to the crockery container to dampen its movement.
  • the damping device of the dishwasher according to the invention preferably has a piston and a cylindrical housing which encloses a compression space, wherein the at least one piston is displaceably mounted within the housing and separates the compression space into partial compression chambers. Due to the fluid in the compression space, which is preferably air, but at least partially water or a provided for cleaning the dishes to be cleaned by means of the dishwasher SpĆ¼lstoff may be damped when moving the piston whose movement, whereby the damping effect of the damping device arises.
  • the piston may preferably have at least one opening through which when displacing the piston, the fluid located within the housing of a Operaverdichtungsraum flows to another partial compression space.
  • the opening is designed for example as a bore, in particular as a throttle bore. It can also be slit-shaped. It is also possible that the opening, in particular if it is slit-shaped, is designed open-edged.
  • the housing may preferably have the shape of a circular cylinder and / or the shape of a straight cylinder. These shapes are relatively easy to produce.
  • a spring may be arranged at least in one of the partial compression chambers.
  • the piston can preferably be arranged in a form-fitting manner displaceable within the housing. This also increases the damping effect of the damping device.
  • the housing, the piston and optionally the piston rod are made of plastic.
  • the housing of the damping device is provided at its end faces, each with an opening through which the piston rod protrudes.
  • the piston can be moved in two opposite directions within the housing.
  • a movement of the utensil container can be damped in both directions.
  • the housing may have two sub-housings which in particular each have the shape of a half-cylinder.
  • the two sub-housings are preferably glued together and / or locked. As a result, the connection of the two sub-housings can be realized in a relatively simple manner.
  • an aspect of the invention provides an advantageous method for producing a damping device for the dishwasher according to the invention, according to which the piston rod is placed in one of the two semi-cylindrical part housings, so that the piston is arranged in this sub-housing. Subsequently, the two sub-housings are connected so that the housing is created.
  • the two sub-housings are preferably locked together and / or glued together. As a result, the connection of the two sub-housings can be realized in a relatively simple manner.
  • the invention accordingly advantageously provides, in particular, an end stop damper for dishware containers of a dishwasher, which are designed, for example, as dish racks.
  • the damping device may in particular comprise a damper housing, which may be composed of two halves, which in particular form a fitting bore at both ends, by means of which a piston rod can be moved on both sides.
  • a damper housing which may be composed of two halves, which in particular form a fitting bore at both ends, by means of which a piston rod can be moved on both sides.
  • In the middle of the piston rod may preferably be one or more baffle plates, generally piston, for example with a throttle bore, which is preferably inserted positively into the compression space of the damper housing.
  • the piston rod is moved, for example, by means of a plate on the basket guide or on the dish rack in one direction.
  • the air located on one side in the compression space optionally flows through the throttle bore of the baffle plate in the opposite storage space of the damper housing.
  • the resulting damper effect can optionally be reinforced by additionally introduced into the storage space springs.
  • the damper housing is optionally closed after insertion of the piston rod, for example by gluing and / or locking and fixed, for example by a molded tab on the container.
  • An advantage of the dishwasher according to the invention may in particular be that, for example, there is no jerky stop of the dishware container at the end stop of the dishware guide. A risk of falling over pieces of crockery can thus at least prevented, if not avoided. A feel for an operator of the dishwasher according to the invention can also be improved.
  • FIGS. 1 to 3 each provided with the same reference numerals.
  • the Fig. 1 shows a sectional view of a household dishwasher as an example of a dishwasher.
  • the dishwasher 1 has a washing container 2 for receiving items to be washed, which can be arranged, for example, in one above the other, designed as a crockery baskets 3 dish container.
  • the washing container 2 has two side walls 4a and a rear wall 4 and can be closed by means of a not shown in detail, with respect to a horizontal axis pivotable door, as is usual.
  • the two baskets 3 can be pulled by means of guides 3a from the washing container 2, to facilitate loading and unloading of the baskets 3, at least.
  • the crockery baskets 3 can also be inserted into the washing container 2.
  • the spraying devices are arranged for charging the items to be washed with a liquid, which is usually referred to as washing liquor.
  • the spraying devices are formed as upper spray arms 5 and lower spray arms 6.
  • the liquid can be conveyed from a circulating pump 7 via a first liquid supply line 8 to the upper spray arm 5 and via a second liquid feed line 9 to the lower spray arm 6.
  • the circulation pump 7, for example, by means of an electric drive, not shown, in particular by means of its electric motor driven.
  • the liquid is heated, at least in a partial program step of a washing program of the dishwasher 1 by a water heater 10, which is connected to an inlet nozzle 11 to the circulation pump 7 and with outlet ports 12, 13 to the liquid supply lines 8, 9.
  • the number of outlet ports 12, 13 corresponds to the number of spray arms 5, 6 or simultaneously operated groups of spray arms 5, 6.
  • the funded by the circulation pump 7 liquid is therefore in the case of the present embodiment to the inlet port 11 of the water heater 10 and of the Output nozzle 12, 13 via the liquid supply lines 8, 9 to the spray arms 5, 6 passed.
  • the dishwasher 1 further comprises a water switch 14, which is arranged for example in the water heater 10 or molded onto this.
  • the water diverter 14 can also be arranged in the dishwasher 1 by itself or be connected directly to the circulating pump 7.
  • the spray arms 5, 6 can be alternately and / or constantly charged with the liquid, which is achieved by opening a liquid outlet and by closing another liquid outlet of the water switch 14.
  • the baskets 3 are each provided with one in the Fig. 2 and the Fig. 3 shown damping device 15 is provided.
  • the Fig. 2 shows the damping device 15 in a perspective view and the Fig. 3 shows components of the damping device 15th
  • the damping device 15 has a hollow-cylindrical damper housing 16.
  • the damper housing 16 has in particular the shape of a straight cylinder and preferably has the shape of a Circular cylinder.
  • the two end faces of the damper housing 16 are bounded by walls 17, each provided with an opening 18, which is designed in particular as a fitting bore.
  • the damper housing 16 includes a compression space 19.
  • the damper housing 16 is made of plastic or metal, for example.
  • the damping device 15 has in the case of the present embodiment, a piston rod 20 which is passed through the openings 18 of the walls 17 of the damper housing 16 and thus projects from both sides of the damper housing 16.
  • the size of the openings 18 is adapted to the extent of the piston rod 20.
  • the piston rod 20 is for example made of plastic.
  • the damping device 15 comprises at least one piston, which is designed for example as a baffle plate or plate 24 which is attached to the piston rod 20, in particular integrally formed on this, preferably einstoffig.
  • the plate 24 is designed such that it divides the compression chamber 19 into two partial compression chambers whose size depends on the position of the piston rod 20 and thus on the position of the plate 24 relative to the damper housing 16.
  • the plate 24 is inserted in a form-fitting manner in the compression space 19.
  • the plate 24 In order for an axial movement of the piston rod 20 and thus the plate 24, that is, with a longitudinal movement of the piston rod 20 and the plate 24 air or a fluid, for example, water from one partial compression chamber can reach the other, the plate 24 with at least one opening 25 or provided with at least one throttle bore.
  • the opening 25 may be round or slot-shaped or open to the edge.
  • the damper housing 16 may be constructed in two parts and comprise two semi-cylindrical part housings 16a, 16b.
  • the piston rod 20 is attached thereto plate 24 in one of the two sub-housing 16a, 16b and then the two sub-housing 16a, 16b are connected together, for example by gluing or by locking.
  • the damping device 15 is fixed with its damper housing 16 on one of the side walls 4a of the washing compartment 2, for example by means of a tab 26, which is molded on the damper housing 16, for example.
  • the damping device 15 is in particular attached to the washing container 2, so that the longitudinal axis 21 of the damper housing 16 is aligned horizontally, that is parallel to the insertion direction of the respective dish rack or generally expressed utensil container and thus parallel in the depth direction of the washing compartment 2.
  • the relevant crockery basket 3, to which the damping device 15 is assigned is pulled out of the washing container 2, then, for example, one of the ends 20a of the piston rod 20 abuts against a first stop, which is designed, for example, as a first plate 27, which is attached, for example, to the relevant crockery basket 3 or to its guide 3a. As a result, the piston rod 20 is displaced relative to the damper housing 16 in the direction of the arrow 23.
  • a second stop which is designed, for example, as a second plate 28, for example on the relevant crockery basket 3 or on its guide 3 a is attached.
  • the piston rod 20 and thus the plate 24 is displaced in the direction of the arrow 22 relative to the damper housing 16. Due to the displacement of the plate 24 passes through the opening 25 of the plate 24 air or possibly water from one of the partial compression chambers to the other, whereby a damping effect of the damping device 15 is formed.
  • the end 20b of the piston rod 20 with the second plate 28 the movement of the crockery basket 3 is slowed down when pushed into the washing container 2.
  • the damping effect of the damping device 15 can be further enhanced if at least one of the two partial compression chambers is provided with a spring, not shown. It is thus possible, for example, to provide a compression spring in the partial compression space which faces away from the rear wall 4 of the washing compartment 2 through the plate 24 of the piston rod 20 and the wall 17.

Landscapes

  • Drawers Of Furniture (AREA)
  • Vibration Dampers (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Vibration Prevention Devices (AREA)

Description

Die Erfindung betrifft eine GeschirrspĆ¼lmaschine, insbesondere HaushaltgeschirrspĆ¼lmaschine, aufweisend einen SpĆ¼lbehƤlter, wenigstens einen mittels FĆ¼hrungen aus dem SpĆ¼lbehƤlter heraus und in den SpĆ¼lbehƤlter hinein bewegbaren GeschirrbehƤlter und wenigstens eine DƤmpfungsvorrichtung zum DƤmpfen einer Bewegung des GeschirrbehƤlter, wobei die DƤmpfungsvorrichtung innerhalb des SpĆ¼lbehƤlters angeordnet ist. Weiterhin betrifft die Erfindung ein Verfahren zum Herstellen einer DƤmpfungsvorrichtung fĆ¼r eine erfindungsgemƤƟe GeschirrspĆ¼lmaschine.The invention relates to a dishwasher, in particular domestic dishwasher, comprising a rinsing container, at least one by means of guides out of the washing out and into the washing compartment movable dish container and at least one damping device for damping a movement of the dishware, wherein the damping device is disposed within the washing compartment. Furthermore, the invention relates to a method for producing a damping device for a dishwasher according to the invention.

Eine derartige GeschirrspĆ¼lmaschine mit einem GeschirrbehƤlter und einer DƤmpfungsvorrichtung ist beispielsweise aus der US 2010/0051067 A1 bekannt. Die offenbarte GeschirrspĆ¼lmaschine umfasst einen eine Bodenwanne, eine Mehrzahl von WƤnden und eine vordere GerƤtetĆ¼r aufweisenden SpĆ¼lbehƤlter. Der GeschirrbehƤlter ist mittels beidseitig und in dem SpĆ¼lbehƤlter angeordneten FĆ¼hrungen aus dem SpĆ¼lbehƤlter heraus und in den SpĆ¼lbehƤlter hinein bewegbar. An der jeweiligen FĆ¼hrung ist eine DƤmpfungsvorrichtung in Ausgestaltung einer Vorspannvorrichtung angeordnet, die zum DƤmpfen einer Bewegung des GeschirrbehƤlters dient. Die Vorspannvorrichtung umfasst eine Federbeinanordnung und ist entweder mit einem Gas oder einem Fluid betrieben.Such a dishwasher with a dish container and a damping device is for example from the US 2010/0051067 A1 known. The disclosed dishwashing machine comprises a washing tub having a bottom pan, a plurality of walls, and a front appliance door. The utensil container is movable out of the washing container and into the washing container by means of guides arranged on both sides and in the washing container. At the respective guide a damping device is arranged in the embodiment of a biasing device, which serves to damp a movement of the dishware. The pretensioner includes a strut assembly and is operated with either a gas or a fluid.

Weiterhin offenbart die DE 10 2005 010 616 A1 eine GeschirrspĆ¼lmaschine mit einem SpĆ¼lbehƤlter, in dem zwei Geschirrkƶrbe zur Aufnahme von zu reinigendem SpĆ¼lgut angeordnet sind. Mittels geeigneter FĆ¼hrungen und eines Antriebs kƶnnen die Geschirrkƶrbe aus dem SpĆ¼lbehƤlter herausbewegt und in den SpĆ¼lbehƤlter hinein bewegt werden. Der Antrieb kann einen Elektromotor umfassen oder als ein Kraftspeicher ausgebildet sein. Wird ein Kraftspeicher als Antrieb verwendet, dann kann die durch den Kraftspeicher eingeleitete Bewegung zumindest in der Bewegungsendphase durch ein DƤmpfungsmittel gedƤmpft werden.Furthermore, the disclosure DE 10 2005 010 616 A1 a dishwasher with a rinsing container in which two baskets for receiving dishes to be cleaned are arranged. By means of suitable guides and a drive, the baskets can be moved out of the washing and moved into the washing in it. The drive may comprise an electric motor or be designed as a force storage. If an energy storage device is used as the drive, then the movement initiated by the energy storage device can be damped by a damping means, at least in the movement end phase.

Es ist also Aufgabe der Erfindung, eine gemƤƟ dem Oberbegriff des unabhƤngigen Anspruchs bekannte GeschirrspĆ¼lmaschine, insbesondere HaushaltsgeschirrspĆ¼lmaschine, mit einem GeschirrbehƤlter, dem eine DƤmpfungsvorrichtung zugeordnet ist, zu verbessern.It is therefore an object of the invention to improve a known according to the preamble of the independent claim dishwasher, in particular domestic dishwasher, with a dish container, which is associated with a damping device.

Die Aufgabe der Erfindung wird erfindungsgemƤƟ dadurch gelƶst, dass zwei an dem GeschirrbehƤlter und/oder an dessen FĆ¼hrungen angeordnete AnschlƤge vorgesehen sind, zwischen denen die DƤmpfungsvorrichtung derart an dem SpĆ¼lbehƤlter angeordnet ist, dass die AnschlƤge mit ihrer Kolbenstange derart zusammenwirken, dass beim Herausbewegen des GeschirrbehƤlters aus dem SpĆ¼lbehƤlter eine der Begrenzungen die Kolbenstange in eine erste Richtung und beim Hineinbewegen des GeschirrbehƤlters in den SpĆ¼lraum in einer zur ersten Richtung entgegen gesetzten Richtung schiebt.The object of the invention is achieved in that two arranged on the dish container and / or on its guides stops are provided, between which the damping device is arranged on the washing so that the stops cooperate with their piston rod such that when moving out of the dish container one of the limits pushes the piston rod in a first direction from the rinsing container and in the washing compartment in a direction opposite to the first direction when moving the dishware in.

Somit wird jedes Mal beim Herausbewegen, zum Beispiel beim manuellen Herausziehen des GeschirrbehƤlters aus dem SpĆ¼lbehƤlter, der Kolben mittels des relevanten Anschlags und der Kolbenstange automatisch derart innerhalb des GehƤuses verschoben, so dass beim Hineinbewegen, insbesondere beim manuellen Hineinschieben des GeschirrbehƤlters in den SpĆ¼lbehƤlter die Kolbenstange gegen den relevanten Anschlag stĆ¶ĆŸt und dadurch den Kolben innerhalb des GehƤuses verschiebt. Dadurch kann die DƤmpfungsvorrichtung ihre dƤmpfende Wirkung bei jedem Hineinbewegen des GeschirrbehƤlters entfalten und insbesondere die Bewegung des GeschirrbehƤlters bei jedem Hineinbewegen von Neuem dƤmpfen.Thus, each time when moving out, for example, when manually pulling the dish from the rinsing container, the piston automatically displaced by means of the relevant stop and the piston rod so inside the housing so that when moving in, especially when manually pushing the dish container in the washing the piston rod abuts against the relevant stop and thereby displaces the piston within the housing. As a result, the damping device can develop its damping effect each time the dish container is moved in, and in particular dampens the movement of the dish container each time it is moved in anew.

Weiterhin kann die innerhalb des GeschirrspĆ¼lbehƤlters angeordnete DƤmpfungsvorrichtung relativ einfach montiert werden. Auch bietet der SpĆ¼lbehƤlter mehr Platz als beispielsweise die beengten VerhƤltnisse zum Beispiel hinter der RĆ¼ckwand des SpĆ¼lbehƤlters. Aufgrund der Anordnung der DƤmpfungsvorrichtung innerhalb des SpĆ¼lbehƤlters ist es auch mƶglich, dass die DƤmpfungsvorrichtung besser mit dem GeschirrbehƤlter gekoppelt werden kann, um dessen Bewegung zu dƤmpfen.Furthermore, the damping device arranged inside the dishwashing container can be mounted relatively easily. The rinsing container also offers more space than, for example, the cramped conditions behind the rear wall of the rinsing container, for example. Due to the arrangement of the damping device within the washing container, it is also possible that the damping device can be better coupled to the dish container to dampen its movement.

Vorzugsweise ist die DƤmpfungsvorrichtung an dem SpĆ¼lbehƤlter, insbesondere an einer Seitenwand des SpĆ¼lbehƤlters angeordnet beziehungsweise befestigt.Preferably, the damping device is arranged or attached to the washing container, in particular on a side wall of the washing compartment.

Die DƤmpfungsvorrichtung der erfindungsgemƤƟen GeschirrspĆ¼lmaschine ist mit ihrem GehƤuse bevorzugt an dem SpĆ¼lbehƤlter, insbesondere an einer Seitenwand des SpĆ¼lbehƤlters befestigt. Um eine Befestigung zu erleichtern, kann eine an dem GehƤuse angeformte Befestigungsvorrichtung vorgesehen sein, mittels derer die DƤmpfungsvorrichtung an dem SpĆ¼lbehƤlter befestigt ist. Die Befestigungsvorrichtung ist zum Beispiel als eine Lasche ausgefĆ¼hrt.The damping device of the dishwasher according to the invention is preferably attached with its housing to the washing compartment, in particular to a side wall of the washing compartment. In order to facilitate an attachment, a fastening device formed on the housing can be provided by means of which the damping device is fastened to the rinsing container. The fastening device is designed, for example, as a tab.

Die DƤmpfungsvorrichtung weist bevorzugt eine Kolbenstange auf, an der der wenigstens eine Kolben angeordnet ist, wobei der wenigstens eine Kolben innerhalb des GehƤuses mittels der Kolbenstange verschiebbar gelagert ist. Die Kolbenstange kann zum Beispiel mit dem GeschirrbehƤlter gekoppelt sein, um dessen Bewegung zu dƤmpfen.The damping device preferably has a piston rod on which the at least one piston is arranged, wherein the at least one piston is displaceably mounted within the housing by means of the piston rod. For example, the piston rod may be coupled to the crockery container to dampen its movement.

Die DƤmpfungsvorrichtung der erfindungsgemƤƟen GeschirrspĆ¼lmaschine weist bevorzugt einen Kolben und ein zylinderfƶrmiges GehƤuse auf, das einen Verdichtungsraum umschlieƟt, wobei der wenigstens eine Kolben innerhalb des GehƤuses verschiebbar gelagert ist und den Verdichtungsraum in TeilverdichtungsrƤume trennt. Aufgrund des in dem Verdichtungsraum befindlichen Fluids, das bevorzugt Luft ist, aber zumindest teilweise auch Wasser oder eine fĆ¼r die Reinigung des mittels der GeschirrspĆ¼lmaschine zu reinigenden SpĆ¼lguts vorgesehenes SpĆ¼lmittel aufweisen kann, wird beim Verschieben des Kolbens dessen Bewegung gedƤmpft, wodurch die dƤmpfende Wirkung der DƤmpfungsvorrichtung entsteht.The damping device of the dishwasher according to the invention preferably has a piston and a cylindrical housing which encloses a compression space, wherein the at least one piston is displaceably mounted within the housing and separates the compression space into partial compression chambers. Due to the fluid in the compression space, which is preferably air, but at least partially water or a provided for cleaning the dishes to be cleaned by means of the dishwasher SpĆ¼lmittel may be damped when moving the piston whose movement, whereby the damping effect of the damping device arises.

Um wƤhrend des Verschiebens des Kolbens innerhalb des GehƤuses ein Strƶmen des innerhalb des GehƤuses befindlichen Fluids von einem Teilverdichtungsraum zu einem anderen zu ermƶglichen, kann der Kolben vorzugsweise wenigstens eine Ɩffnung aufweisen, durch die beim Verschieben des Kolbens das innerhalb des GehƤuses befindliches Fluid von einem Teilverdichtungsraum zu einem anderen Teilverdichtungsraum strƶmt. Die Ɩffnung ist beispielsweise als Bohrung, insbesondere als Drosselbohrung ausgefĆ¼hrt. Sie kann auch schlitzfƶrmig ausgefĆ¼hrt sein. Es ist auch mƶglich, dass die Ɩffnung, insbesondere wenn sie schlitzfƶrmig ausgefĆ¼hrt ist, randoffen ausgefĆ¼hrt ist.In order to allow during the displacement of the piston within the housing, a flow of the fluid located within the housing from one part of the compression chamber to another, the piston may preferably have at least one opening through which when displacing the piston, the fluid located within the housing of a Teilverdichtungsraum flows to another partial compression space. The opening is designed for example as a bore, in particular as a throttle bore. It can also be slit-shaped. It is also possible that the opening, in particular if it is slit-shaped, is designed open-edged.

Das GehƤuse kann vorzugsweise die Form eines Kreiszylinders und/oder die Form eines geraden Zylinders aufweisen. Diese Formen lassen sich relativ einfach herstellen.The housing may preferably have the shape of a circular cylinder and / or the shape of a straight cylinder. These shapes are relatively easy to produce.

Um die dƤmpfende Wirkung der DƤmpfungsvorrichtung zu erhƶhen, kann wenigstens in einem der TeilverdichtungsrƤume eine Feder angeordnet sein.In order to increase the damping effect of the damping device, a spring may be arranged at least in one of the partial compression chambers.

Der Kolben kann vorzugsweise formschlĆ¼ssig innerhalb des GehƤuses verschiebbar angeordnet sein. Dadurch erhƶht sich ebenfalls die DƤmpfungswirkung der DƤmpfungsvorrichtung.The piston can preferably be arranged in a form-fitting manner displaceable within the housing. This also increases the damping effect of the damping device.

Um die Gefahr einer Korrosion der DƤmpfungsvorrichtung zumindest vorzubeugen, ist diese nach einer vorteilhaften AusfĆ¼hrungsvariante zumindest teilweise, vorzugsweise komplett aus Kunststoff gefertigt. Insbesondere sind das GehƤuse, der Kolben und gegebenenfalls die Kolbenstange aus Kunststoff gefertigt.In order at least to prevent the risk of corrosion of the damping device, this is according to an advantageous embodiment, at least partially, preferably made entirely of plastic. In particular, the housing, the piston and optionally the piston rod are made of plastic.

Nach einer bevorzugten AusfĆ¼hrungsform der erfindungsgemƤƟen GeschirrspĆ¼lmaschine ist das GehƤuse der DƤmpfungsvorrichtung an seinen Stirnseiten mit jeweils einer Ɩffnung versehen, durch die die Kolbenstange ragt. Somit ist es mƶglich, dass zum Beispiel lediglich durch DrĆ¼cken auf die Kolbenstange der Kolben in zwei entgegengesetzte Richtungen innerhalb des GehƤuses verschoben werden kann. Dadurch kann zum Beispiel eine Bewegung des GeschirrbehƤlters in beide Richtungen gedƤmpft werden.According to a preferred embodiment of the dishwasher according to the invention, the housing of the damping device is provided at its end faces, each with an opening through which the piston rod protrudes. Thus, it is possible that, for example, only by pressing on the piston rod, the piston can be moved in two opposite directions within the housing. As a result, for example, a movement of the utensil container can be damped in both directions.

FĆ¼r eine relativ leichte Montage der DƤmpfungsvorrichtung kann nach einer zweckmƤƟigen Variante der erfindungsgemƤƟen GeschirrspĆ¼lmaschine das GehƤuse zwei TeilgehƤuse aufweisen, die insbesondere jeweils die Form eines Halbzylinders aufweisen.For a relatively easy mounting of the damping device, according to an expedient variant of the dishwasher according to the invention, the housing may have two sub-housings which in particular each have the shape of a half-cylinder.

Die beiden TeilgehƤuse sind vorzugsweise miteinander verklebt und/oder verrastet. Dadurch lƤsst sich die Verbindung der beiden TeilgehƤuse in relativ einfacher Weise realisieren.The two sub-housings are preferably glued together and / or locked. As a result, the connection of the two sub-housings can be realized in a relatively simple manner.

Somit stellt ein Aspekt der Erfindung ein vorteilhaftes Verfahren zum Herstellen einer DƤmpfungsvorrichtung fĆ¼r die erfindungsgemƤƟe GeschirrspĆ¼lmaschine bereit, gemƤƟ dem die Kolbenstange in eine der beiden halbzylinderfƶrmigen TeilgehƤuse gelegt wird, sodass der Kolben in diesem TeilgehƤuse angeordnet ist. AnschlieƟend werden die beiden TeilgehƤuse verbunden, sodass das GehƤuse entsteht.Thus, an aspect of the invention provides an advantageous method for producing a damping device for the dishwasher according to the invention, according to which the piston rod is placed in one of the two semi-cylindrical part housings, so that the piston is arranged in this sub-housing. Subsequently, the two sub-housings are connected so that the housing is created.

Die beiden TeilgehƤuse werden vorzugsweise miteinander verrastet und/oder verklebt. Dadurch lƤsst sich die Verbindung der beiden TeilgehƤuse in relativ einfacher Weise realisieren.The two sub-housings are preferably locked together and / or glued together. As a result, the connection of the two sub-housings can be realized in a relatively simple manner.

Die Erfindung stellt demnach in vorteilhafter Weise insbesondere einen EndlagendƤmpfer fĆ¼r GeschirrbehƤlter einer GeschirrspĆ¼lmaschine, die zum Beispiel als Geschirrkƶrbe ausgefĆ¼hrt sind, bereit. Die DƤmpfungsvorrichtung kann insbesondere ein DƤmpfergehƤuse umfassen, das sich aus zwei HƤlften zusammensetzen kann, die insbesondere an beiden Enden eine Passbohrung ausbilden, durch die beidseitig eine Kolbenstange bewegbar ist. In der Mitte der Kolbenstange kƶnnen sich vorzugsweise eine oder mehrere Stauscheiben, allgemein Kolben zum Beispiel mit einer Drosselbohrung befinden, die vorzugsweise formschlĆ¼ssig in den Verdichtungsraum des DƤmpfergehƤuses eingesetzt ist. Die Kolbenstange wird zum Beispiel mittels einer Platte an der KorbfĆ¼hrung oder an dem Geschirrkorb in eine Richtung verschoben. Die einseitig in dem Verdichtungsraum befindliche Luft strƶmt gegebenenfalls durch die Drosselbohrung der Stauscheibe in den gegenĆ¼berliegenden Stauraum des DƤmpfergehƤuses. Die dadurch entstehende DƤmpferwirkung kann gegebenenfalls durch zusƤtzlich in den Stauraum eingebrachte Federn verstƤrkt werden. Das DƤmpfergehƤuse wird gegebenenfalls nach dem Einlegen der Kolbenstange zum Beispiel durch Kleben und/oder Rasten verschlossen und beispielsweise durch eine angespritzte Lasche an dem BehƤlter befestigt.The invention accordingly advantageously provides, in particular, an end stop damper for dishware containers of a dishwasher, which are designed, for example, as dish racks. The damping device may in particular comprise a damper housing, which may be composed of two halves, which in particular form a fitting bore at both ends, by means of which a piston rod can be moved on both sides. In the middle of the piston rod may preferably be one or more baffle plates, generally piston, for example with a throttle bore, which is preferably inserted positively into the compression space of the damper housing. The piston rod is moved, for example, by means of a plate on the basket guide or on the dish rack in one direction. The air located on one side in the compression space optionally flows through the throttle bore of the baffle plate in the opposite storage space of the damper housing. The resulting damper effect can optionally be reinforced by additionally introduced into the storage space springs. The damper housing is optionally closed after insertion of the piston rod, for example by gluing and / or locking and fixed, for example by a molded tab on the container.

Ein Vorteil der erfindungsgemƤƟen GeschirrspĆ¼lmaschine kann insbesondere sein, dass zum Beispiel kein ruckartiger Stopp des GeschirrbehƤlters an dem Endanschlag der GeschirrbehƤlterfĆ¼hrung entsteht. Eine Gefahr eines Herumfallen von Geschirrteile kann somit zumindest verhindert, wenn nicht gar vermieden werden. Eine Haptik fĆ¼r eine Bedienperson der erfindungsgemƤƟen GeschirrspĆ¼lmaschine kann ebenfalls verbessert werden.An advantage of the dishwasher according to the invention may in particular be that, for example, there is no jerky stop of the dishware container at the end stop of the dishware guide. A risk of falling over pieces of crockery can thus at least prevented, if not avoided. A feel for an operator of the dishwasher according to the invention can also be improved.

Sonstige Weiterbildungen der Erfindung sind in den abhƤngigen AnsprĆ¼chen wiedergegeben. Die Erfindung und ihre Weiterbildung sowie deren Vorteile werden nachfolgend anhand von Zeichnungen erlƤutert.Other developments of the invention are given in the dependent claims. The invention and its development and advantages thereof are explained below with reference to drawings.

Es zeigen jeweils schematisch:

Fig. 1
eine HaushaltsgeschirrspĆ¼lmaschine;
Fig. 2
eine vorteilhaftes AusfĆ¼hrungsbeispiel einer erfindungsgemƤƟ konstruierten DƤmpfungsvorrichtung fĆ¼r einen Geschirrkorb der HaushaltsgeschirrspĆ¼lmaschine; und
Fig. 3
Bestandteile der DƤmpfungsvorrichtung.
Each show schematically:
Fig. 1
a household dishwasher;
Fig. 2
an advantageous embodiment of an inventively designed damping device for a dish rack of the household dishwasher; and
Fig. 3
Components of the damping device.

Elemente mit gleicher Funktion und Wirkungsweise sind in den Figuren 1 bis 3 jeweils mit denselben Bezugszeichen versehen.Elements with the same function and mode of action are in the FIGS. 1 to 3 each provided with the same reference numerals.

Die Fig. 1 zeigt in geschnittener Darstellung eine HaushaltsgeschirrspĆ¼lmaschine als Beispiel einer GeschirrspĆ¼lmaschine 1.The Fig. 1 shows a sectional view of a household dishwasher as an example of a dishwasher. 1

Die GeschirrspĆ¼lmaschine 1 weist einen SpĆ¼lbehƤlter 2 zur Aufnahme von SpĆ¼lgut auf, welches beispielsweise in Ć¼bereinander angeordnete, als Geschirrkƶrbe 3 ausgebildete GeschirrbehƤlter eingeordnet werden kann. Der SpĆ¼lbehƤlter 2 weist zwei SeitenwƤnde 4a und eine RĆ¼ckwand 4 auf und kann mittels einer nicht nƤher gezeigten, bezĆ¼glich einer horizontalen Achse verschwenkbaren TĆ¼r verschlossen werden, wie dies Ć¼blich ist. Bei geƶffneter TĆ¼r kƶnnen die beiden Geschirrkƶrbe 3 mittels FĆ¼hrungen 3a aus dem SpĆ¼lbehƤlter 2 gezogen werden, um ein Be- und Entladen der Geschirrkƶrbe 3 zumindest zu erleichtern. Mittels der FĆ¼hrungen 3a kƶnnen die Geschirrkƶrbe 3 auch in den SpĆ¼lbehƤlter 2 eingeschoben werden.The dishwasher 1 has a washing container 2 for receiving items to be washed, which can be arranged, for example, in one above the other, designed as a crockery baskets 3 dish container. The washing container 2 has two side walls 4a and a rear wall 4 and can be closed by means of a not shown in detail, with respect to a horizontal axis pivotable door, as is usual. When the door is open, the two baskets 3 can be pulled by means of guides 3a from the washing container 2, to facilitate loading and unloading of the baskets 3, at least. By means of the guides 3a, the crockery baskets 3 can also be inserted into the washing container 2.

In dem SpĆ¼lbehƤlter 2 der GeschirrspĆ¼lmaschine 1 sind beispielsweise zumindest zwei SprĆ¼hvorrichtungen zum Beaufschlagen des SpĆ¼lguts mit einer FlĆ¼ssigkeit angeordnet, die Ć¼blicherweise als SpĆ¼lflotte bezeichnet wird. In dem Falle des vorliegenden AusfĆ¼hrungsbeispiels sind die SprĆ¼hvorrichtungen als obere SprĆ¼harme 5 und untere SprĆ¼harme 6 ausgebildet. Die FlĆ¼ssigkeit kann von einer UmwƤlzpumpe 7 Ć¼ber eine erste FlĆ¼ssigkeitszuleitung 8 zu dem oberen SprĆ¼harm 5 und Ć¼ber eine zweite FlĆ¼ssigkeitszuleitung 9 zu dem unteren SprĆ¼harm 6 gefƶrdert werden. Die UmwƤlzpumpe 7 wird zum Beispiel mittels eines nicht nƤher dargestellten elektrischen Antriebs, insbesondere mittels dessen elektrischen Motors, angetrieben.In the washing container 2 of the dishwasher 1, for example, at least two spraying devices are arranged for charging the items to be washed with a liquid, which is usually referred to as washing liquor. In the case of the present embodiment, the spraying devices are formed as upper spray arms 5 and lower spray arms 6. The liquid can be conveyed from a circulating pump 7 via a first liquid supply line 8 to the upper spray arm 5 and via a second liquid feed line 9 to the lower spray arm 6. The circulation pump 7, for example, by means of an electric drive, not shown, in particular by means of its electric motor driven.

In dem Falle des vorliegenden AusfĆ¼hrungsbeispiels wird die FlĆ¼ssigkeit zumindest in einem Teilprogrammschritt eines SpĆ¼lprogramms der GeschirrspĆ¼lmaschine 1 durch einen Durchlauferhitzer 10 erwƤrmt, der mit einem Eingangsstutzen 11 an die UmwƤlzpumpe 7 und mit Ausgangsstutzen 12, 13 an die FlĆ¼ssigkeitszuleitungen 8, 9 angeschlossen ist. Die Anzahl der Ausgangsstutzen 12, 13 entspricht der Anzahl der SprĆ¼harme 5, 6 oder gleichzeitig betriebener Gruppen von SprĆ¼harmen 5, 6. Die von der UmwƤlzpumpe 7 gefƶrderte FlĆ¼ssigkeit wird demnach in dem Falle des vorliegenden AusfĆ¼hrungsbeispiels zu dem Eingangsstutzen 11 des Durchlauferhitzers 10 und von dessen Ausgangsstutzen 12, 13 Ć¼ber die FlĆ¼ssigkeitszuleitungen 8, 9 zu den SprĆ¼harmen 5, 6 geleitet.In the case of the present embodiment, the liquid is heated, at least in a partial program step of a washing program of the dishwasher 1 by a water heater 10, which is connected to an inlet nozzle 11 to the circulation pump 7 and with outlet ports 12, 13 to the liquid supply lines 8, 9. The number of outlet ports 12, 13 corresponds to the number of spray arms 5, 6 or simultaneously operated groups of spray arms 5, 6. The funded by the circulation pump 7 liquid is therefore in the case of the present embodiment to the inlet port 11 of the water heater 10 and of the Output nozzle 12, 13 via the liquid supply lines 8, 9 to the spray arms 5, 6 passed.

Die GeschirrspĆ¼lmaschine 1 weist ferner eine Wasserweiche 14 auf, die zum Beispiel in dem Durchlauferhitzer 10 angeordnet oder an diesem angeformt ist. Die Wasserweiche 14 kann zum Beispiel aber auch in der GeschirrspĆ¼lmaschine 1 fĆ¼r sich allein angeordnet oder unmittelbar an die UmwƤlzpumpe 7 angeschlossen sein.The dishwasher 1 further comprises a water switch 14, which is arranged for example in the water heater 10 or molded onto this. However, for example, the water diverter 14 can also be arranged in the dishwasher 1 by itself or be connected directly to the circulating pump 7.

Mittels der Wasserweiche 14 kƶnnen die SprĆ¼harme 5, 6 jeweils abwechselnd und/oder stƤndig mit der FlĆ¼ssigkeit beschickt werden, was durch Ɩffnen eines FlĆ¼ssigkeitsauslasses und durch VerschlieƟen eines anderen FlĆ¼ssigkeitsauslasses der Wasserweiche 14 erzielt wird.By means of the water switch 14, the spray arms 5, 6 can be alternately and / or constantly charged with the liquid, which is achieved by opening a liquid outlet and by closing another liquid outlet of the water switch 14.

Um bei einem Hineinschieben der Geschirrkƶrbe 3 in den SpĆ¼lbehƤlter 2 einen Aufprall der Geschirrkƶrbe 3 auf die RĆ¼ckwand 4 des SpĆ¼lbehƤlters 2 zu dƤmpfen, sind die Geschirrkƶrbe 3 jeweils mit einer in der Fig. 2 und der Fig. 3 gezeigten DƤmpfungsvorrichtung 15 versehen. Die Fig. 2 zeigt die DƤmpfungsvorrichtung 15 in einer perspektivischen Darstellung und die Fig. 3 zeigt Bestandteile der DƤmpfungsvorrichtung 15.In order to dampen an impact of the baskets 3 on the rear wall 4 of the washing compartment 2 when the baskets 3 are pushed into the washing compartment 2, the baskets 3 are each provided with one in the Fig. 2 and the Fig. 3 shown damping device 15 is provided. The Fig. 2 shows the damping device 15 in a perspective view and the Fig. 3 shows components of the damping device 15th

In dem Falle des vorliegenden AusfĆ¼hrungsbeispiels weist die DƤmpfungsvorrichtung 15 ein hohlzylinderfƶrmiges DƤmpfergehƤuse 16 auf. Das DƤmpfergehƤuse 16 hat insbesondere die Form eines geraden Zylinders und hat vorzugsweise die Form eines Kreiszylinders. Die beiden Stirnseiten des DƤmpfergehƤuses 16 sind durch Wandungen 17 begrenzt, die jeweils mit einer Ɩffnung 18, die insbesondere als Passbohrung ausgefĆ¼hrt ist, versehen. Somit schlieƟt das DƤmpfergehƤuse 16 einen Verdichtungsraum 19 ein. Das DƤmpfergehƤuse 16 ist zum Beispiel aus Kunststoff oder aus Metall.In the case of the present embodiment, the damping device 15 has a hollow-cylindrical damper housing 16. The damper housing 16 has in particular the shape of a straight cylinder and preferably has the shape of a Circular cylinder. The two end faces of the damper housing 16 are bounded by walls 17, each provided with an opening 18, which is designed in particular as a fitting bore. Thus, the damper housing 16 includes a compression space 19. The damper housing 16 is made of plastic or metal, for example.

Die DƤmpfungsvorrichtung 15 weist in dem Falle des vorliegenden AusfĆ¼hrungsbeispiels eine Kolbenstange 20 auf, die durch die Ɩffnungen 18 der Wandungen 17 des DƤmpfergehƤuses 16 hindurchgefĆ¼hrt ist und somit beidseitig aus dem DƤmpfergehƤuse 16 ragt. Die GrĆ¶ĆŸe der Ɩffnungen 18 ist an die Ausdehnung der Kolbenstange 20 angepasst. Somit kann die Kolbenstange 20 lƤngs der LƤngsachse 21 des DƤmpfergehƤuses 16 in Richtung von Pfeilen 22, 23 verschoben werden. Die Kolbenstange 20 ist zum Beispiel aus Kunststoff.The damping device 15 has in the case of the present embodiment, a piston rod 20 which is passed through the openings 18 of the walls 17 of the damper housing 16 and thus projects from both sides of the damper housing 16. The size of the openings 18 is adapted to the extent of the piston rod 20. Thus, the piston rod 20 along the longitudinal axis 21 of the damper housing 16 in the direction of arrows 22, 23 are moved. The piston rod 20 is for example made of plastic.

In dem Falle des vorliegenden AusfĆ¼hrungsbeispiels umfasst die DƤmpfungsvorrichtung 15 wenigstens einen Kolben, der zum Beispiel als Stauscheibe oder Platte 24 ausgefĆ¼hrt ist, die an der Kolbenstange 20 befestigt, insbesondere an dieser einstĆ¼ckig, bevorzugt einstoffig angeformt ist. Die Platte 24 ist derart ausgefĆ¼hrt, dass sie den Verdichtungsraum 19 in zwei TeilverdichtungsrƤume teilt, deren GrĆ¶ĆŸe von der Position der Kolbenstange 20 und somit von der Position der Platte 24 relativ zu dem DƤmpfergehƤuse 16 abhƤngt. Die Platte 24 ist formschlĆ¼ssig in dem Verdichtungsraum 19 eingesetzt. Damit bei einer axialen Bewegung der Kolbenstange 20 und somit der Platte 24, das heiƟt bei einer longitudinalen Bewegung der Kolbenstange 20 beziehungsweise der Platte 24 Luft oder eine Fluid, zum Beispiel Wasser von dem einen Teilverdichtungsraum zu dem anderen gelangen kann, ist die Platte 24 mit wenigstens einer Ɩffnung 25 beziehungsweise mit wenigstens einer Drosselbohrung versehen. Die Ɩffnung 25 kann rund oder auch schlitzfƶrmig ausgebildet sein oder auch randoffen sein.In the case of the present embodiment, the damping device 15 comprises at least one piston, which is designed for example as a baffle plate or plate 24 which is attached to the piston rod 20, in particular integrally formed on this, preferably einstoffig. The plate 24 is designed such that it divides the compression chamber 19 into two partial compression chambers whose size depends on the position of the piston rod 20 and thus on the position of the plate 24 relative to the damper housing 16. The plate 24 is inserted in a form-fitting manner in the compression space 19. In order for an axial movement of the piston rod 20 and thus the plate 24, that is, with a longitudinal movement of the piston rod 20 and the plate 24 air or a fluid, for example, water from one partial compression chamber can reach the other, the plate 24 with at least one opening 25 or provided with at least one throttle bore. The opening 25 may be round or slot-shaped or open to the edge.

Um die DƤmpfungsvorrichtung 15 zu montieren, kann, wie dies in dem vorliegenden AusfĆ¼hrungsbeispiel vorgesehen ist, das DƤmpfergehƤuse 16 zweiteilig aufgebaut sein und zwei halbzylinderfƶrmige TeilgehƤuse 16a, 16b umfassen. FĆ¼r die Montage wird die Kolbenstange 20 mit daran befestigter Platte 24 in eines der beiden TeilgehƤuse 16a, 16b gelegt und anschlieƟend werden die beiden TeilgehƤuse 16a, 16b miteinander verbunden, zum Beispiel durch Verkleben oder durch Verrasten.To assemble the damping device 15, as is provided in the present embodiment, the damper housing 16 may be constructed in two parts and comprise two semi-cylindrical part housings 16a, 16b. For assembly, the piston rod 20 is attached thereto plate 24 in one of the two sub-housing 16a, 16b and then the two sub-housing 16a, 16b are connected together, for example by gluing or by locking.

In dem Falle des vorliegenden AusfĆ¼hrungsbeispiels ist die DƤmpfungsvorrichtung 15 mit ihrem DƤmpfergehƤuse 16 an einer der SeitenwƤnde 4a des SpĆ¼lbehƤlters 2 befestigt, zum Beispiel mittels einer Lasche 26, die zum Beispiel an dem DƤmpfergehƤuse 16 angespritzt ist. Die DƤmpfungsvorrichtung 15 ist insbesondere derart an dem SpĆ¼lbehƤlter 2 befestigt, so dass die LƤngsachse 21 des DƤmpfergehƤuses 16 horizontal ausgerichtet ist, das heiƟt parallel zur Einschieberichtung des jeweiligen Geschirrkorbs beziehungsweise allgemein ausgedrĆ¼ckt GeschirrbehƤlters und damit parallel in Tiefenrichtung des SpĆ¼lbehƤlters 2 verlƤuft.In the case of the present embodiment, the damping device 15 is fixed with its damper housing 16 on one of the side walls 4a of the washing compartment 2, for example by means of a tab 26, which is molded on the damper housing 16, for example. The damping device 15 is in particular attached to the washing container 2, so that the longitudinal axis 21 of the damper housing 16 is aligned horizontally, that is parallel to the insertion direction of the respective dish rack or generally expressed utensil container and thus parallel in the depth direction of the washing compartment 2.

Wird nun zum Beispiel der relevante Geschirrkorb 3, dem die DƤmpfungsvorrichtung 15 zugeordnet ist, aus dem SpĆ¼lbehƤlter 2 gezogen, dann stĆ¶ĆŸt zum Beispiel eines der Enden 20a der Kolbenstange 20 an einem ersten Anschlag an, der zum Beispiel als eine ersten Platte 27 ausgebildete ist, die zum Beispiel an dem relevanten Geschirrkorb 3 oder an dessen FĆ¼hrung 3a befestigt ist. Dadurch wird die Kolbenstange 20 relativ zu dem DƤmpfergehƤuse 16 in Richtung des Pfeils 23 verschoben.If, for example, the relevant crockery basket 3, to which the damping device 15 is assigned, is pulled out of the washing container 2, then, for example, one of the ends 20a of the piston rod 20 abuts against a first stop, which is designed, for example, as a first plate 27, which is attached, for example, to the relevant crockery basket 3 or to its guide 3a. As a result, the piston rod 20 is displaced relative to the damper housing 16 in the direction of the arrow 23.

Wird der jeweilige beziehungsweise relevante Geschirrkorb 3 in den SpĆ¼lbehƤlter 2 hineingeschoben, dann stĆ¶ĆŸt das andere Ende 20b zum Beispiel an einen zweiten Anschlag an, der beispielsweise als eine zweite Platte 28 ausgebildet ist, die zum Beispiel an dem relevanten Geschirrkorb 3 oder an dessen FĆ¼hrung 3a befestigt ist. Dadurch wird die Kolbenstange 20 und somit die Platte 24 in Richtung des Pfeils 22 relativ zu dem DƤmpfergehƤuse 16 verschoben. Aufgrund des Verschiebens der Platte 24 gelangt durch die Ɩffnung 25 der Platte 24 Luft oder gegebenenfalls Wasser von einem der TeilverdichtungsrƤume zu dem anderen, wodurch eine dƤmpfende Wirkung der DƤmpfungsvorrichtung 15 entsteht. Dadurch wird bei einem Kontakt des Endes 20b der Kolbenstange 20 mit der zweiten Platte 28 die Bewegung des Geschirrkorbes 3 bei einem Hineinschieben in den SpĆ¼lbehƤlter 2 abgebremst.If the relevant or relevant crockery basket 3 is pushed into the washing container 2, then the other end 20 b abuts, for example, a second stop, which is designed, for example, as a second plate 28, for example on the relevant crockery basket 3 or on its guide 3 a is attached. Thereby, the piston rod 20 and thus the plate 24 is displaced in the direction of the arrow 22 relative to the damper housing 16. Due to the displacement of the plate 24 passes through the opening 25 of the plate 24 air or possibly water from one of the partial compression chambers to the other, whereby a damping effect of the damping device 15 is formed. As a result, upon contact of the end 20b of the piston rod 20 with the second plate 28, the movement of the crockery basket 3 is slowed down when pushed into the washing container 2.

Die dƤmpfende Wirkung der DƤmpfungsvorrichtung 15 kann noch verstƤrkt werden, wenn wenigstens einer der beiden TeilverdichtungsrƤume mit einer nicht nƤher dargestellten Feder versehen ist. So ist es zum Beispiel mƶglich, in dem Teilverdichtungsraum, der durch die Platte 24 der Kolbenstange 20 und der Wandung 17, die der RĆ¼ckwand 4 des SpĆ¼lbehƤlters 2 abgewandt ist, eine Druckfeder vorzusehen.The damping effect of the damping device 15 can be further enhanced if at least one of the two partial compression chambers is provided with a spring, not shown. It is thus possible, for example, to provide a compression spring in the partial compression space which faces away from the rear wall 4 of the washing compartment 2 through the plate 24 of the piston rod 20 and the wall 17.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
GeschirrspĆ¼lmaschine; HaushaltsgeschirrspĆ¼lmaschineDishwasher; Domestic dishwasher
22
SpĆ¼lbehƤlterrinse tank
33
Geschirrkorbdish rack
3a3a
FĆ¼hrungguide
44
RĆ¼ckwandrear wall
4a4a
SeitenwandSide wall
55
Oberer SprĆ¼harmUpper spray arm
66
Unteren SprĆ¼harmLower spray arm
77
UmwƤlzpumpecirculating pump
88th
FlĆ¼ssigkeitszuleitungliquid supply
99
FlĆ¼ssigkeitszuleitungliquid supply
1010
DurchlauferhitzerHeater
1111
Eingangsstutzeninlet connection
1212
Ausgangsstutzenoutlet connection
1313
Ausgangsstutzenoutlet connection
1414
Wasserweichewater points
1515
DƤmpfungsvorrichtungdamping device
1616
DƤmpfergehƤusedamper housing
16a16a
TeilgehƤuseEnclosures
16b16b
TeilgehƤuseEnclosures
1717
Wandungwall
1818
Ɩffnungopening
1919
Verdichtungsraumcompression chamber
2020
Kolbenstangepiston rod
20a20a
EndeThe End
20b20b
EndeThe End
2121
LƤngsachselongitudinal axis
2222
Pfeilarrow
2323
Pfeilarrow
2424
Platteplate
2525
Ɩffnungopening
2626
Lascheflap
2727
Platteplate
2828
Platteplate

Claims (11)

  1. Dishwasher (1), in particular domestic dishwasher, having a washing compartment (2), at least one dishware container (3) which can be moved out of the washing compartment (2) and into the washing compartment (2) by means of guides (3a), and at least one damping device (15) for cushioning a movement of the dishware container (3), wherein the damping device (15) is arranged inside the washing compartment (2),
    characterised in that
    two stops (27, 28) arranged on the dishware container (3) and/or on its guides (3a) are provided, between which the damping device (15) is arranged on the washing compartment (2) such that the stops (27, 28) operatively interact with its piston rod (20) in such a way that one of the delimiters (27) pushes the piston rod (20) in a first direction when the dishware container (3) is moved out of the washing compartment (2) and in a direction opposite to the first direction when the dishware container (3) is moved into the washing chamber (2).
  2. Dishwasher (1) according to claim 1,
    characterised in that
    the damping device (15) is arranged on the washing compartment (2), in particular on a side wall (4a) of the washing compartment (2).
  3. Dishwasher (1) according to claim 2,
    characterised in that
    the damping device 15 is fixed with its housing (16) to the washing compartment (2), in particular to a side wall (4a) of the washing compartment (2), and/or is secured by means of a fastening device (26) integrally formed on the housing (16).
  4. Dishwasher (1) according to claim 1, 2 or 3,
    characterised in that
    the damping device (15) has a piston (24) and a cylindrical housing (16) which encloses a compression chamber (19), and the at least one piston (24) is movably mounted inside the housing (16) and divides the compression chamber (19) into compression sub-chambers.
  5. Dishwasher (1) according to claim 4,
    characterised in that
    the damping device (15) has a piston rod (20) on which the at least one piston (24) is arranged, and the at least one piston (24) is mounted inside its housing (16) so as to be movable by means of the piston rod (20).
  6. Dishwasher (1) according to claim 4 or 5,
    characterised in that
    - the piston (24) has at least one aperture (25) through which a fluid contained within the housing (16) flows from one compression sub-chamber to another compression sub-chamber when the piston (24) is displaced,
    - the housing (16) has the shape of a circular cylinder and/or the shape of a straight cylinder,
    - a spring is arranged in at least one of the compression sub-chambers,
    - the piston (24) is movably arranged inside the housing (16) in a positive-fitting manner, and/or
    - the damping device (15) is made at least partly, preferably completely, of plastic.
  7. Dishwasher (1) according to one of the preceding claims,
    characterised in that
    on each of its end faces (17) the housing (16) of the damping device (15) is provided with an opening (18) through which the piston rod (20) projects.
  8. Dishwasher (1) according to one of the preceding claims,
    characterised in that
    the housing (16) of the damping device (15) has two part-housings (16a, 16b), each of which has in particular the shape of a semi-cylinder.
  9. Dishwasher (1) according to claim 8,
    characterised in that
    the two part-housings (16a, 16b) are adhesively bonded to each other and/or are mechanically locked together in order to form the housing (16).
  10. Method for producing a damping device for a dishwasher (1) according to claim 8, comprising placing the piston rod (20) into one of the two semi-cylindrical part-housings (16a, 16b) such that the piston (24) is arranged in said part-housing (16a, 16b), and joining the two part-housings (16a, 16b) together so as to create the housing (16).
  11. Method according to claim 10, wherein the joining-together of the two part-housings (16a, 16b) constitutes a mechanical interlocking and/or adhesive bonding of the two part-housings (16a, 16b).
EP11167213.5A 2010-06-07 2011-05-24 Dishwasher with a damping device and method for producing a damping device Not-in-force EP2422682B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010029731A DE102010029731A1 (en) 2010-06-07 2010-06-07 Dishwasher with a damping device and method for producing a damping device

Publications (3)

Publication Number Publication Date
EP2422682A2 EP2422682A2 (en) 2012-02-29
EP2422682A3 EP2422682A3 (en) 2012-08-08
EP2422682B1 true EP2422682B1 (en) 2013-10-23

Family

ID=44973897

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11167213.5A Not-in-force EP2422682B1 (en) 2010-06-07 2011-05-24 Dishwasher with a damping device and method for producing a damping device

Country Status (3)

Country Link
US (1) US9032978B2 (en)
EP (1) EP2422682B1 (en)
DE (1) DE102010029731A1 (en)

Cited By (1)

* Cited by examiner, ā€  Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016105231A1 (en) 2016-03-21 2017-09-21 Paul Hettich Gmbh & Co. Kg Pull-out guide and household appliance

Families Citing this family (2)

* Cited by examiner, ā€  Cited by third party
Publication number Priority date Publication date Assignee Title
US20130328463A1 (en) * 2012-06-07 2013-12-12 Bsh Home Appliances Corporation Rack with protrusion device for kitchen appliance
US20150157185A1 (en) * 2013-12-09 2015-06-11 Whirlpool Corporation Methods and apparatus to heat liquids in dishwashers

Family Cites Families (8)

* Cited by examiner, ā€  Cited by third party
Publication number Priority date Publication date Assignee Title
US5535514A (en) * 1994-08-11 1996-07-16 Schlage Lock Company Method for making a hydraulic door closer having a one-piece molded housing body
DE29902915U1 (en) 1999-02-19 2000-07-13 AEG HausgerƤte GmbH, 90429 NĆ¼rnberg Dishwasher that can be loaded from the front
DE10049490A1 (en) 2000-10-06 2002-04-11 Aeg Hausgeraete Gmbh Dishwasher with a pull-out basket
KR20040076668A (en) * 2003-02-26 2004-09-03 ģ‚¼ģ„±ģ „ģžģ£¼ģ‹ķšŒģ‚¬ Dishwasher
KR101122791B1 (en) 2004-11-10 2012-03-21 ģ—˜ģ§€ģ „ģž ģ£¼ģ‹ķšŒģ‚¬ A rack protecting apparatus of a dish washer
DE102005010616A1 (en) 2005-03-08 2006-09-14 BSH Bosch und Siemens HausgerƤte GmbH Dishwasher with a storage container
DE102007025966A1 (en) * 2007-06-04 2008-12-11 Robert Bosch Gmbh damper
US8387634B2 (en) * 2008-08-27 2013-03-05 Electrolux Home Products, Inc. Assisted-movement system for one of a rack and a door of an appliance

Cited By (2)

* Cited by examiner, ā€  Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016105231A1 (en) 2016-03-21 2017-09-21 Paul Hettich Gmbh & Co. Kg Pull-out guide and household appliance
WO2017162426A1 (en) 2016-03-21 2017-09-28 Paul Hettich Gmbh & Co. Kg Pull-out guide and domestic appliance

Also Published As

Publication number Publication date
US20110297193A1 (en) 2011-12-08
US9032978B2 (en) 2015-05-19
EP2422682A3 (en) 2012-08-08
DE102010029731A1 (en) 2011-12-08
EP2422682A2 (en) 2012-02-29

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