DE102009001600A1 - Household dishwasher for rinsing goods e.g. tableware, has retaining element provided in pump jar for positioning of filter unit and/or intake ducts, where filter unit and/or respective duct are attached to element in inserting condition - Google Patents

Abstract

The dishwasher (1) has a pump jar provided at a rinsing container base (25). The pump jar comprises a pump jar outlet for a circulation pump and/or a lye pump. A filter unit is accommodated in the pump jar and/or intake ducts that are provided at the respective pump jar outlet. An additional attachable retaining element is provided in the pump jar for positioning of the filter unit and/or intake ducts, where the filter unit and/or the respective intake duct are attached to the retaining element in an inserting condition.

Description

The The present invention relates to a dishwasher, in particular a domestic dishwasher, with one at her sink bottom provided sump, wherein the sump at least one pump sump outlet for a circulating pump and / or drain pump, and wherein at least in the sump housed a screen unit and / or at the respective sump outlet at least one suction cap is provided.

Common household dishwashers point each with a washing container a dishwasher on, in which in one or more dish racks items such. B. dishes and Cutlery, can be accommodated. In the washing room one or more spray arms are provided, the items to be cleaned with a rinsing fluid wet. The washing container points at the bottom of a floor pan. Usually is about in the center of the bottom pan provided a pump pot arranged in such a way and in conjunction with the dishwasher stands that from the wash ware to be cleaned running rinse accumulate in the sump. Below the floor pan are, in particular in a base assembly or a base support unit, a drain pump and a circulation pump arranged. The rinsing liquor collected in the sump becomes the suds pump and the circulation pump fed.

Of the respective pump suction inlet of the drain pump and / or the circulation pump is in each case by a suction cap projecting into the sump, In particular suction hood, partially or completely covered, in front of the Pumpenansaugeinlass as a loose or separate component by a detachable plug or clamp connection attached, in particular angeklippst.

The Intake cap of the circulation pump serves in particular to avoid that during operation of the circulating pump a suction or flow funnel which forms an undesirably strong Sucking in air, thus leading to unwanted "snorkeling" and thereby the throughput and the efficiency of the circulation pump would degrade. The suction cap or hood in front of the pump sump outlet to the circulation pump, d. H. before the Pumpenansaugeinlass the circulation pump, thus ensuring defined inflow conditions for the rinsing, sucked by the circulation pump and circulated becomes.

A same function and mode of action also has the suction cap, in particular Suction hood, in front of the pump sump outlet to the suds pump. Furthermore The respective suction caps of the circulation pump and the drain pump function in an advantageous manner also, the sucking inadmissible large particles or other contaminants into the inside of the pump to avoid what otherwise to malfunction, such. B. for clogging the fluid passage of the respective pump would. The suction caps thus provide suitable inlet geometries in the intake area the respective pumps ready to a perfect hydraulic Performance, d. H. a sufficient performance, the caustic and circulation pump ensure as well as a high operational safety of the lye and circulating pump guarantee to be able to.

Before contaminated rinse liquor to the circulation pump and / or drain pump passes, flows through a subset or Total amount of rinsing water System of filters and sieves and is thereby cleaned. In the sump, in particular on Pumpenentopfauslassbereich are for this purpose z. B. a coarse screen and a fine screen, especially microsieve, directly or directly by means of a molded into the sump bayonet closure or Thread redetachable in a desired working position held or fixed.

Of the Invention is based on the object, a dishwasher, especially a household dishwasher, to provide the possible is easy to produce.

These The object is in a dishwasher, in particular household dishwasher, of the type mentioned solved in that for positional positioning the at least one screening unit and / or the one or more Suction caps in the sump at least one additional insertable retaining element is provided, on which the at least one screen unit and / or the respective intake cap are mounted in the final installation state.

The Dishwasher, especially household dishwasher, has one at her Spülbehälterboden provided on the pump pot, wherein the sump at least one Pump pot outlet for a circulation pump and / or drain pump, and wherein at least in the sump housed a screen unit and / or at the respective sump outlet at least one suction cap is provided.

In addition, can be introduced in particular means that the at least one holding element is a separate or separate component, which is subsequently fixed in the sump of a dishwasher. Because the at least one additional holding element is not formed in one piece, in particular integrally, with the sump, the at least one sieve unit and / or In particular, the at least one suction cap easily prefixed in the non-introduced state of the holding element to this or in particular be formed in advance.

By the additional einbringbare holding element is the dishwasher in a simpler manner produced. Because there the screen unit and / or the respective suction cap from the additional einbringbaren, common holding element in the installed state as built-in parts are not required, on or in the inner wall the pump pot consuming or complicated shaped holding means specifically, d. H. specific for the screen unit and / or the respective suction cap to provide in particular to mold or mold. So they can omitted in an advantageous manner. An expensive search for single locking devices for the Screening unit and / or each suction cap is omitted for their installation. It is enough now only a holding or locking means alone for the common, additional retaining element provided in the sump. In this way, the inner contour or the inner wall of the sump with a simpler geometry basic shape across from form a construction, in particular forms, in which at the Inner contour of the sump separate holding means specific to each individual Built-in component molded or molded. This facilitates the production of the pump pot and thus the production of the dishwasher. In particular, suffice simpler molds for the production of the pump pot. In an advantageous manner In this way, it is in particular easier possible at the bottom of the washing container dishwasher the pump pot in the same manufacturing process in one piece, preferably one-material, to form, d. h., The Spülbehälterboden and the sump form, for example, by a monolithic production, from the outset preferably a whole.

simultaneously allows that in addition einbringbare holding element for easier and faster installation the at least one screening unit and / or the one or more Suction caps individually or together in the sump. Especially can the respective fixture in a simple manner a unique Position in the sump by attaching to the additional insertable holding element be assigned. This facilitates the installation of the respective mounting parts at the pump pot. In particular, it is by means of the additional Holding element preferably possible by hand, the at least one Sieve unit and the one or more suction caps relative to each other in desired end positions, preferably with respect to one or more sump outlets for Circulation pump and / or Lye pump, for to bring the final installation state. Conversely, it falls through the additionally einbringbare Retaining element, in particular by hand, also lighter, the coupled thereto at least one sieving unit and / or the one attached thereto or more suction caps during disassembly from the sump individually or together. In summary, is So the handling during assembly and disassembly of the screen unit and / or the respective suction cap by the common holding element improved, as it is larger unit better than loose items seized by the hand of an operator can be. This applies in particular to the installation and removal in the Pump pot, which in its bottom or basic area for complex Movements of one hand too little or no sufficient freedom of movement allows, which makes the installation and fixation of loose individual components smaller Affect dimensions can.

The at least one additional insertable holding element has at least one fastening device for fastening the at least one screening unit and / or the one or more suction on. The at least one fastening device can be designed in various ways. Thus, the fastening device or can the fastening devices for non-positive and / or positive, but also to cohesive Recording the at least one screening unit and / or the one or be formed a plurality of intake valves. Preferably, the one or more sieve units non-positively and / or positively the at least one additional insertable holding element, in particular releasably held. This can the at least one sieve unit slightly from the at least one additionally dissolved releasable retaining element to purify or against one or more others Replace sieve units. For non-positive, in particular releasable frictional, Attachment can or can preferably one or more plug or clamp connections, a or more screw connections and / or one or more latching and / or snap connections may be provided. The one or more Intake valves can also non-positively and / or positively the at least one additional be mounted insertable retaining element. Preferably, the one or more suction flaps cohesively on the at least one additionally be mounted insertable retaining element. This may be the substance preferably by an adhesive, solder or welded connection be prepared. The fastening device for fastening the One or more intake valves can therefore, for example, as a smooth or roughened surface be formed on the holding element. To such a trained smooth or roughened surface of at least one additional insertable holding element are in particular cohesive connections produced.

Thereby, that the at least one screening unit and / or the one or more Suction caps on the at least one additionally insertable holding element, in particular by means of at least one fastening device or a fastener, they can be used together with the at least one additional einbringbaren retaining element disassembled from the sump and / or together with the at least one additional insertable retaining element mounted in the interior of the pump pot become.

Especially preferred are at the at least one additionally insertable retaining element the one or more fastening devices and / or the one one or more intake valves, in particular monolithic, formed. As a result, the one or more fastening devices and / or intake valves particularly simple and secure to the at least an additional einbringbaren Holding element arranged. The one or more fasteners and / or the one or more intake valves can in particular by a cohesive Connection in one piece be integrally formed on the insertable retaining element. Preferably the one or more fastening devices and / or the one or more intake valves but integral part of at least an additional insertable retaining element. In particular, the one or more Fastening devices and / or the one or more intake valves and that at least one additional insertable holding element monolithic by a casting process, in particular by an injection molding process, of a plastic material, in particular a composite material. For the production such a holding element with one or more fasteners and / or with one or more intake valves is only a single Manufacturing tool shape required. As a result, manufacturing costs be saved, since it is no longer necessary, each Component, d. H. the retaining element, the one or more fasteners as well as each intake flap, especially by separate production tool shapes to create. Possibly. It may be an alternative embodiment be expedient for the Retaining element with the one or more fasteners first plastic material and for the one or more suction caps to use a second plastic material. For this, preferably a 2K (Two-component) -Kunststoffspritzverfahren be used.

The Assembly of at least one additional einbringbaren holding element and thus at the same time the assembly the one or more suction caps on the sump are simpler perform, as the separate attachment of each individual suction cap. The A or more suction caps are in such an advantageous manner the at least one additional attachable retaining element attached, in particular integrally formed that these are automatically guided into the correct position on the sump, if that at least one additional einbringbare Holding element is mounted on the pump pot. By doing that at least one additional insertable holding element including the one or more suction caps designed significantly larger As a single suction cap, this can be done during assembly be handled much easier. In particular, a fitter can both during assembly, as well as during disassembly of at least an additional einbringbaren holding element, the one or more suction caps use as a handle. In other words, through this one-piece Construction for a haptic improvement when handling with the holding element through the pre-attached, one or more suction caps and / or fastening devices, in particular fastening elements for a or several attachments, taken care of. This facilitates in particular the Installation or removal of the respective intake caps in front of their assigned Pumpentopfauslass.

At the sump it is now sufficient, only a single Holding or locking means for fixing the at least one additionally insertable Provide retaining element, whereby the sump simpler and cost-effective may be formed as a sump, the separate fasteners, in particular fasteners for individual suction caps as well for at least a sieve unit. The inner contour of the sump can thus in particular have a simpler geometry basic shape; because only a single holding or locking means for attachment the at least one additionally insertable retaining element enough. Especially for the suction caps and / or the respective sieve unit provided fastening means in the inner wall of the pump pot can therefore be omitted. To this Way, the wall of the sump with a simpler, in particular more uniform, preferably uniformly contoured inner geometry shape become.

The one-piece unit which, in addition to the at least one additionally insertable holding element, also comprises the one or more fastening devices and / or the one or more suction caps, can advantageously be mounted and dismounted much faster on the sump than one or more individual suction caps. It is particularly advantageous if the one or more intake flaps are integrally formed, in particular integrally, on which at least one additionally insertable holding element is formed. This eliminates the need for one or more Suction flaps before mounting the at least one additionally insertable retaining element to the sump to the at least one additionally insertable retaining element to install. This saves significantly installation effort or assembly time. Characterized in that, for example, the suction cap for the circulation pump and / or the suction for the drain pump mounted prior to assembly of the at least one holding element on the at least one holding element, in particular integrally formed, they can be mounted together with the at least one holding element on the pump pot and be removed from the sump together with the at least one retaining element. The one or more suction cups are preferably attached to the at least one holding member such that they are automatically located at the proper positions in front of the respective sump outlets and, accordingly, in front of the respective sump inlets of the pumps on the sump when the at least one retainer is mounted in the sump is.

Especially a mechanic can do both during assembly and disassembly of at least one additional einbringbaren holding element, the one or more suction caps use as mounting handles.

The at least one additional insertable holding element, as already stated above, various types Fastening means for attaching the at least one screening unit, in particular a coarse sieve and / or a fine sieve, and / or having one or more intake valves. At least that's the way it works an additional einbringbare Holding element optionally have a thread on the at least one Sieve unit can be screwed. Furthermore, plug connections can be provided be to at least one screen unit to the holding element to Fasten. Particularly preferred points in a dishwasher the at least one additional einbringbare holding element a bayonet or more bayonet to the detachable Attach the at least one screen unit and / or the one or more Intake valves on. The at least one screening unit has an or several corresponding counter-contours that engage in the bayonet or the, so that the at least one screening unit securely on the at least one additionally insertable To fix retaining element. Advantageously, two bayonet locks are provided. hereby is guaranteed that the at least one screening unit securely on the at least one additionally can be held insertable retaining element. On the other Side can such a fixed at least one screening unit relative easily again from the at least one additional insertable retaining element solved become. This is advantageous to the at least one screening unit, but also other components, within the sump, or the sump to clean itself.

The at least one additional insertable holding element can be varied in an advantageous manner be educated. The at least one additionally insertable retaining element is preferably attachable to the sump so that it is the inflow of the from the dishwasher of the rinse tank coming rinsing not inadmissible hinders and also the flow through the rinsing liquor not inadmissible due to the sump impaired. The at least one additional insertable holding element therefore preferably has a hollow profile-like shape on. In this case, the hollow profile-like shape round, circular, oval, but also be designed angular. Particularly preferred is in a dishwasher the at least one additional insertable retaining element annular, in particular circular ring-shaped, educated. The inlet of the pump pot preferably has one round, in particular a circular, cross section, so that the rinsing liquor evenly in all of them Pump pot can be initiated. The reason of the sump shows preferably also a round, in particular circular cross-sectional geometry shape. The ring-shaped, in particular circular ring-shaped, trained, at least one additionally insertable retaining element is on the inner contour of the pump pot, especially in the area the bottom of the pump well arranged. generalized expressed corresponds to the outer contour the holding element substantially the inner contour of the pump pot at the respective intended installation location. It is particularly preferred if that's at least one extra insertable holding element in plan view, d. H. along the longitudinal axis of the holding element viewed, has a circular cross-section. annular more particularly means that the at least one additional einbringbare Holding element closed in itself or substantially self-contained is. The outer surface of the annular trained, at least one additional insertable retaining element can further inclined to the longitudinal axis be formed of the pump pot, so that the at least one additional einbringbare Holding element on a correspondingly inclined receiving surface or Counter contour pushed onto the pump pot and due to the frictional force can be safely arranged there. In particular, the retaining element be designed and inserted into the sump that it is surrounded concentrically by the inner wall of the pump pot and its center axis substantially along the center axis of the Pump pot runs.

In an alternative, advantageous Ausfüh variant of the dishwasher, the ring-shaped, at least one additionally insertable retaining element have at least one gap, ie be interrupted at least one Ringabschnittsstelle. In particular, it may be formed simply or twice slotted. As a result, the at least one additionally insertable retaining element is advantageously resilient and can be clamped in or on a corresponding receptacle, in particular in a ring-shaped insert edge on the pump well bottom or in a receiving groove on the pump pot bottom. In particular, it may be advantageous if the gap extends perpendicular to the longitudinal axis of the annular holding element. A gap is understood in particular to be a separation of the ring-shaped, at least one additionally insertable holding element. If two or more gaps are provided, the holding element is divided into two or more holding element parts, in particular into two or more ring section parts. In the final installation state in the sump, the two or more holding element parts, in particular the two or more ring section parts, are joined together and preferably form a closed or essentially closed holding element, in particular a closed or substantially closed annular holding element. In other words, during assembly of the two or more holding element parts in the pump pot, these preferably center on one another, so that they occupy a defined position or position in the final installation state on the pump pot.

In Advantageously, in a dishwasher, the at least one additionally insertable Retaining element be formed in two parts or more parts, wherein at least a first and at least a second suction on one of the at least two holding element parts are arranged, or at least one first suction cap on at least one first holding element part and at least one second suction cap on at least a second one Holding element part are arranged. This allows the at least two holding element parts while the assembly to the sump easily be joined together whereby the respective suction caps can serve as handles. By the geometry of the two or more holding element parts, preferably in the joined together Condition together a self-contained ring, in particular one circular ring, represent, as well as by the geometry of the Inner contour of the pump pot, the holding element parts, in particular the ring section parts, when mounted on the pump pot such joined together that they are automatically centered to each other and automatically Insert into the intended final installation position in the sump. The two or more parts formed retaining element may alternatively be formed such that the two or more holding element parts already attached to the pump pot before assembly to each other. Advantageously, the two or more holding element parts by means of force-locking Connections, in particular by releasable non-positive connections, to each other attached. This has the advantage that when changing Pumpenansaugeinlässen or at a changed Geometry shape of the inner contour of the pump pot it is not necessary is to recreate all retaining element parts, but only the retaining element parts with the requisite new component (s), in particular a correspondingly required, amended Suction cap. This allows in particular production costs are saved, since one or more Retaining element parts unchanged can be used further.

there It is irrelevant whether the two or more holding element parts are the same are big or whether the holding element parts are formed differently large. joined the two or more holding element parts of the at least one additionally einbringbaren holding element preferably an annular, in particular a circular ring-shaped, closed form. Advantageously, the at least one first suction cap on the at least one first holding element parts and the at least one second suction cap on the at least one second holding element parts, in particular in one piece, preferably integrally, attached to the respective holding element part. This is the respective holding element parts of a multi-part holding element not too small and can be lighter during assembly and / or disassembly of the holding element parts together and / or be handled on the sump, since each holding element part can be held on the respective molded suction caps.

The at least one screening unit is preferably on the at least one first holding element part and / or the at least one second holding element part appropriate. Particularly preferred is the at least one screening unit, z. As a coarse screen and a fine screen, especially microsieve, so on the at least one additional einbringbaren holding element arranged that it in the final installation state both on the at least one first holding element part as well is attached to the at least one second holding element part. As a result, the at least one screening unit is particularly secure on the at least one additional fixed retractable retaining element.

The at least one fastening device, in particular the bayonet closure or the bayonet locks, of the ring-shaped, at least one additionally insertable Halteele Mentes is / are preferably provided on the inner circumferential surface and / or on the at least one pump pot outlet facing away from the outer surface of the ring-shaped, at least one additionally insertable retaining element. In this way, the at least one screening unit can be easily attached to the at least one fastening device, in particular releasably secured. One or more bayonet locks are particularly advantageous since the at least one screening unit can be fixed particularly easily to the one or more bayonet locks via one or more correspondingly formed counter-structures. At the same time, one or more bayonet locks ensure that the at least one screening unit can again be easily detached from the at least one retaining element. Preferably, at least two bayonet locks in the final installation state of the at least one annular holding element on the pump pot are arranged opposite one another or approximately opposite one another on the at least one annular holding element. In particular, it is preferred if two or more bayonet locks offset from each other, preferably at the same or approximately equal intervals, are arranged on the at least one annular retaining element. Such an arrangement of the two or more bayonet locks ensures a particularly secure hold of the at least one screening unit on the at least one retaining element.

The Arrangement of the one or more fastening devices, in particular of bayonet lock or bayonet locks, on the inner circumferential surface of the annular trained, at least one holding element, allows the Arrangement of one or more suction caps on the outside, d. H. on the side facing away from the at least one pump pot outlet Front side, of the ring-shaped trained, at least one holding element. One or more bayonet enable a simple screwing the at least one screening unit, in particular Grobsiebes, on the at least one retaining element. In doing so, reach behind correspondingly designed counter contours or projections on the at least one screen unit forms the bayonet catch or the bayonet and / or non-positively.

Preferably is the sieve unit by an internally arranged Grobsieb with in first approximation, for example cylindrical, in particular circular cylindrical Geometry shape and a fine sieve concentrically arranged around it on the outside, in particular microsieve, formed. The outside diameter of this sieve unit is expediently substantially equal to the inner diameter of the fastening device, in particular its molded recording with Bayonettverschluss for inserting and fixing the sieve unit, selected in the sump.

Appropriately if necessary, with a dishwasher be that at least one additional insertable retaining element one or more snap, latch, and / or one or more plug-in elements for fastening the at least one additionally insertable holding element in the sump. In this case, the at least one additional einbringbare Retaining element insoluble at one or more corresponding locking means in the sump, in particular the inner contour of the sump, be attached. Particularly preferred is the at least one additionally insertable retaining element however, by the one or more snap catch, and / or the one or several plug-in elements solvable at the pump pot, in particular the inner contour of the pump pot, attached. By loosening of at least one additional insertable holding element from the sump, are the sump and the pump suction inlets more accessible and can be cleaned accordingly easier. The one or more snap and / or locking elements can For example, be designed as locking lugs, which in corresponding Recordings on the pump pot, in particular on the inner contour of the Pump pot, intervene. Alternatively, the one or more snap and / or locking elements as a receiving element, in particular recesses and / or undercuts, for receiving corresponding locking elements at the pump pot, in particular at the inner contour of the pump pot, be educated. The one or more plug-in elements for attachment of at least one additional insertable holding element on the sump are in particular then advantageous if they are in paraxial alignment with the longitudinal axis the pump pot can be inserted at this. The one or more Plug-in elements can also be designed as one or more plug-in receptacles. In this variant will that be at least one additional insertable holding element by means of one or more plug-in receptacles attached to corresponding plug-in elements of the pump pot. there are the one or more plug-in receptacles of at least one additional einbringbaren Holding element in the final installation state axially parallel to the longitudinal axis arranged the pump pot.

Advantageously, the one or more snap-action and / or latching elements and / or the one or more plug-in elements on the outer lateral surface and / or on the side facing the at least one Pumpenentopfauslass side, ie outer lateral surface of the at least one additionally insertable holding element, in particular of the ring-shaped, at least one additional insertable retaining element provided. Such an arrangement of one or more Snap and / or latching elements and / or the one or more plug-in elements on the at least one additionally insertable holding element ensures a simple, in particular detachable attachment of the at least one holding element to the pump pot.

alternative indicates in another embodiment the dishwasher Advantageously, the at least one additionally insertable retaining element a thread for screwing on a thread of the pump pot. The at least one additional insertable retaining element is as long as the thread of the sump, which in particular at the bottom of the sump, d. H. in the area the bottom of the sump, is arranged, screwed, until the final installation state or the final installation position of the at least one retaining element is reached. In the Endeinbauzustand or the final installation position the at least one retaining element sit one or more Suction caps in front of the respective pump suction inlets of the pumps provided. If the at least one additional insertable retaining element at the end of screwing on the thread the pump pot in its final position, so are the at least an additional insertable holding element arranged one or more suction caps automatically correctly in front of the intake manifold of the respective pump, in particular the drain pump and the circulation pump, centered.

to Disassembly of the at least one additional insertable retaining element This can be done, for example, on the or the suction by hand be easily grasped and thereby easily dismantled from the sump, especially by hand or unscrewed be.

Possibly. can in a further embodiment the dishwasher the at least one additional insertable retaining element or the one or more suction caps at least one recess or bore for insertion at least having an assembly tool. The assembly tool can as a kind of lever can be used to at least one additional einbringbare Easier to remove holding element of the sump. So can For example, identify the at least one bore an internal thread, in which a corresponding mounting tool is screwed to so at least one additional insertable retaining element easier to solve from the sump. Preferably is the at least one recess or at least the bore in an easily accessible Area arranged on the one or more suction caps.

The at least one additional insertable holding element of the dishwasher is preferably made of plastic or metal. Complicated shapes of at least one additional insertable holding element are preferably made of a plastic material produced. The at least one additional insertable retaining element is including the one or more attachment means and / or the one or more suction caps preferably made monolithic, d. H. through a single casting or injection process.

Farther in a dishwasher, it is preferred that the sump is at the bottom of the washing machine of the washing container in one piece, in particular one-material, is formed. Particularly advantageous is the pump well monolithic with the rinse tank bottom of the washing container. As a result, the sump is absolutely or hermetically sealed to the Spülbehälterboden arranged. Furthermore, the production of a unit from pump pot and rinse tank bottom easier to realize than a separate production of both elements. In particular, it is omitted such a solution the installation of the sump at the Spülbehälterboden of the washing. The monolithic production of the pump pot and the Spülbehälterbodens the washing is in particular Therefore, relatively easy to realize because the inner contour of the sump formed with a simpler geometry basic shape over a construction is, in the on the inner contour of the pump pot separate holding means or locking means especially for any built-in component, for example, a retaining element for attachment a sieve unit and for one or more suction caps are molded or formed. The simpler geometry basic form of the sump facilitates the production the pump pot and thus the one-piece design of the pump pot and the Spülbehälterbodens of the washing container. Especially suffice simpler molds. The bottom of the washing container of the dishwasher can integral with the sump in the same manufacturing process, preferably einstoffig or integrally molded, so that the Spülbehälterboden and the sump from the outset a unit or a single Form module.

Of the Spülbehälterboden including the integrally molded pump pot is advantageously off made of at least one plastic material. That is, the unit from rinse tank bottom and sump can be made of a single plastic material, though also from a mixture of two or more different plastic materials be prepared. Preferably, the unit may be from rinse tank bottom and pump well also have a fiber composite material. hereby let yourself make the unit particularly stable.

Preference is also given to a dishwasher machine in the sump only a locking means for securing the at least one additional insertable holding element provided. There are no holding or locking means for securing one or more suction caps required because they are arranged on the additionally insertable holding element. The additionally insertable holding element or the special design of the additionally insertable holding element, the dishwasher can be produced in a simpler manner. Both the at least one screening unit and the one or more suction caps are held by the at least one additionally insertable holding element in the installed state as built-in parts. Therefore, it is not necessary to provide on or in the inner wall or inner contour of the pump well consuming or complicated shaped holding means or locking specifically, ie specifically for the screen unit and / or the respective suction cap, in particular to mold or einzuformen. These can thus be omitted in an advantageous manner.

The Invention and its developments and their advantages will be below closer by means of drawings explained. Each show schematically:

1 a perspective view of an advantageous embodiment of a dishwasher with a provided at its Spülbehälterboden pump sump to which according to the inventive design principle at least one additional holding element for attaching at least one screen unit and / or one or more intake valves is provided

2 a perspective view of a first embodiment of the additional holding element, which has two suction flaps and fastening means for fixing the screen unit, and in the sump of the dishwasher of 1 is provided,

3 a perspective view of a further embodiment of the additional holding element, with two suction flaps and fastening means for fixing the screen unit, wherein the holding element is formed of two parts, and

4 a perspective view of a pump pot of a dishwasher with arranged on the pump pot embodiment of the additional holding element of 2 comprising two suction flaps and fastening means for fastening at least one screening unit.

Elements with the same function and mode of action are in the 1 4 each provided with the same reference numerals.

1 shows schematically in a perspective view an advantageous embodiment of a household dishwasher 1 , which is designed according to the construction principle according to the invention. The household dishwasher 1 has a rinse tank 20 and a floor assembly 10 on. The washing container 20 has a Spülbehälterrückwandung 23 , two the rinse tank rear wall 23 connecting Spülbehälterseitenwandungen 22 and a Spülbehälterdeckwandung 24 and a sink tray 25 on. The washing container 20 is on the floor assembly 10 placed, ie considered in the height direction or in the z-direction of the illustrated x, y, z-coordinate system, the bottom assembly 10 below the washing container 20 arranged. The floor assembly 10 establishes contact with a substrate, in particular a floor, at the respective place of installation of the dishwasher. The front loading opening 21 of the washing container 20 gets through the door 30 educated. This is the door 30 pivotable on the washing container 20 stored.

In the lower swivel range 32 the door 30 , ie in the area of the lower edge can above the floor assembly 10 Water, so-called leak water, leak. This is collected and via a discharge line, not shown, to a collection reservoir in the bottom assembly 10 dissipated. The floor assembly 10 points below the door 30 of the washing container 20 a front wall 11 and adjacent to these side walls 12 on, each extending in the depth direction y. The front wall 11 and the side walls 12 and a rear wall, not shown, form the frame of the floor assembly 10 , The washing container 30 has a bottom tray at the bottom 25 on. Approximately in the middle of the floor pan 25 is an in 1 Not shown pump pot provided, which is arranged in such a way and in connection with the washing compartment 30 is that the rinsing liquor running from the items to be cleaned collects in the sump. The sump 26 is in perspective in FIG 4 shown. Below the floor pan 25 are in the bottom module or the base carrier unit 10 arranged a drain pump, not shown, and a circulation pump, not shown. The rinsing liquor collected in the sump is fed to the suds pump and the circulation pump.

Generally speaking, the sump as a whole can be integrally formed, in particular one-substance, with the bottom trough. In this case, the floor pan including the pump pot can be part of the washing compartment or part of the floor module. Preferably, the sump and the bottom tray of a dishwasher, in particular of a household dishwasher, made monolithic. As a result, the sump is already an integral part of the floor pan when the floor sump is produced. Furthermore, the floor pan is particularly preferably an integral part of the washing container or the floor assembly, ie the floor pan and the washing container of the dishwasher, in particular the domestic dishwasher, or the floor pan and the bottom assembly of the dishwasher, in particular the domestic dishwasher are also advantageously monolithic, ie by a single casting process or common spraying process. In addition to manufacturing costs, this saves installation costs in particular, since it is neither necessary to subsequently attach the sump to the bottom pan, nor to the bottom pan to the rinsing container or the bottom subassembly. To produce the floor pan and / or the floor assembly, a plastic material is preferably selected, from which the floor assembly and / or the floor pan, in particular by plastic injection molding or thermoforming, can be formed in a particularly simple and cost-effective manner.

2 schematically shows a perspective view of an advantageous embodiment of the at least one additional insertable, common retaining element 40 For fixing in the sump of the household dishwasher 1 from 1 is trained. The at least one additionally insertable retaining element 40 has several functions. This is the retaining element 40 for receiving at least one sieve unit, in particular a coarse sieve and / or fine sieve, in particular a micro sieve. The at least one sieve unit is arranged in particular in the bottom region of the sump (see also 4 ) and is used to filter out impurities, particles and other particles from the rinsing liquor collecting there such that by these impairments or even disturbances such. As blockages of the downstream of the pump pot arranged pumps, ie in particular the drain pump and the circulation pump, are largely avoided.

At the common holding element 40 are a first suction cap, in particular suction hood 50 covering at least a portion of a first sump outlet and thus a first suction inlet of a suds pump, not shown, and a second siphon, in particular siphoning 60 , which covers at least a portion of a second sump outlet and thus a second suction inlet of a circulation pump, not shown, behind it, in one piece, in particular one-material, molded. In this illustrated preferred embodiment of the holding element 40 are the first and the second suction cap 50 . 60 integral part of the retaining element 40 ie the retaining element 40 as well as the first and the second suction cap 50 . 60 are made monolithic. The one-piece or integral design of the first and the second suction cap 50 . 60 with the holding element 40 has the particular advantage that the first and the second intake cap 50 . 60 automatically when mounting the retaining element 40 are arranged on the sump of a household dishwasher properly in front of the respective suction inlets of the pump, when the Einbauendzustand of the holding element 40 is reached. These are the two suction caps 50 . 60 expediently so on the holding element 40 formed so that they are located exactly in front of the respective intake inlets of the two pumps, when the holding element 40 has reached its end position, ie its attachment end position, in the sump. The shape of the two suction caps 50 . 60 can be arbitrary. Advantageously, the suction caps 50 . 60 Einströmleitstrukturen 52 . 62 , in particular Einströmleitbleche and / or Einströmleitflügel, through which the flow of the inflowing rinsing liquor can be influenced. The particular monolithic design of the retaining element 40 and the two molded on suction caps 50 . 60 has the particular advantage that manufacturing costs and assembly costs can be saved. It is sufficient only a single tool mold for producing the unitary element, ie the holding element 40 and the two intake caps 50 . 60 ,

The holding element 40 is advantageously formed circular annular in this embodiment. At the inner lateral surface 42 the annular retaining element 40 are one or more fasteners 41 in the form of bayonet locks for receiving at least one screening unit 71 schematically in the 4 dash-dotted lines indicated arranged. Instead of bayonet locks 41 For example, as a fastening device, a thread on the inner circumferential surface 42 the annular retaining element 40 be provided on the at least one appropriately trained sieve unit can be screwed.

On the outer surface 44 the ring-shaped holding element 40 are one or more locking elements 43 , here in the form of radially inwardly projecting locking lugs, integrally formed. These serve to the holding element 40 at corresponding counter contours on the pump pot, in particular on the inner contour or inner wall of the pump pot, preferably releasably secure. Again, other mounting options are conceivable. So instead of the locking elements 43 an external thread on the outer circumferential surface 44 the ring-shaped holding element 40 be provided, by the annular-shaped retaining element 40 can be screwed into the sump.

Generally considered, the at least one additionally einbringbare in the sump Holding element have various basic shapes. That's how it works Holding element next to an annular, in particular circular ring shape, other hollow profile-shaped basic shapes exhibit. Thus, it is conceivable that the holding element is an oval or square Has basic geometry shape. On a holding element can only one or more attachment means for attachment at least be provided a sieve unit. Alternatively or additionally, a or a plurality of suction caps may be provided on the holding element. These can force, positive and / or material fit be attached to the support member. Preferably, the one or However, several suction caps in one piece, in particular monolithic, attached to the holding element and / or molded. The Einströmleitstrukturen the One or more suction caps are preferably on the sides of the one or more suction caps arranged in the inflow direction into the sump outlets lie and the inner surface the pump pot facing.

The Holding element is not an integral part of the sump of the Domestic dishwasher, but will be retrospective placed in the sump of the household dishwasher and there fixed in position. The sump, in particular the inner contour of the sump, let yourself by the specially designed holding element with a simpler Form a basic geometry, as a pump pot, the separate Holding means or locking means for each screening unit and each Has suction. By the specially trained, at least an additional insertable holding element, it is now only necessary to arrange only a single locking device on the sump, that for attachment, in particular for releasable attachment of the at least an additional einbringbaren holding element is used.

In the 3 schematically is a perspective view of a further advantageous embodiment of the additionally insertable retaining element 40 shown. The holding element 40 has two intake flaps 50 . 60 and fastening devices 41 for fastening at least one screening unit. Unlike the in 2 shown embodiment of the retaining element 40 , Has this modified embodiment of the retaining element 40 two separable holding element parts 40a . 40b on. The two retaining element parts 40a . 40b are in the expanded state by two columns 70 separated from each other, which are here in the embodiment on a common edge of the circle. In this embodiment of the retaining element 40 are the first and the second suction cap 50 . 60 each in one piece, in particular integrally, on an associated ring portion 40a . 40b of the holding element 40 formed. The circular, ring-shaped, additionally insertable into the sump holding element 40 So it is formed in two parts. The at least one first suction cap 50 is on the first holding element part 40a of the holding element 40 and the at least one second suction cap 60 is on the second holding element part 40b of the holding element 40 arranged. During installation or when inserting the two holding element parts 40a . 40b in a ring pad or ring insert in the region of the chamber bottom of the sump these automatically center each other, so that the correct installation is easily possible. In particular, the two ring-segment-shaped holding elements can be dimensioned and designed such that their free ends abut one another in their final installation position and are supported against each other in the circumferential direction. In the installed end position or the final installation state, the two holding element parts form 40a . 40b preferably a closed, circular ring, as in 2 shown. The two suction caps 50 . 60 can during disassembly or during assembly of the retaining element 40 serve as handles on the sump.

alternative it may be appropriate for this two-slot retaining ring the retaining ring in such a way that this in the disassembled state only provided at a single circumferential location with a slot or gap is. He forms in this embodiment So a kind of snap ring. This has this catchy retaining ring for the Installation in an annular, in particular annular Ring support or ring insert, in particular insertion in the area the bottom of the pump pot such a spring elasticity on that he can be used there under spring tension or inserted. It can the two facing each other ends of the slotted retaining ring support each other in the finished installation state, so that a total of closed retaining ring is formed.

By the single or multiple slits of the retaining ring can its Installation are facilitated because now tolerances in terms of installation dimensions inside the pump pot and / or the retaining ring itself better can be compensated.

Generally speaking, the at least one additionally insertable holding element may comprise two or more holding element parts. These two or more holding element parts preferably form a closed unit in the joined state. The respective holding element parts can be fixed to one another in a force, form, and / or material fit become. In the final installation state in the sump, the two or more holding element parts preferably form an annular, in particular circular annular, basic body to which one or more fastening devices and / or one or more suction caps attached, preferably releasably secured. It is not necessary, but advantageous that one or more suction caps are attached to each holding element part.

Possibly. can if necessary, the fastening means for the sieve unit are omitted on the retaining ring be formed and only the one or more suction caps be. For the sieve unit are then their own fastening means in and / or provided on the inner casing of the pump pot.

In the 4 is a schematic perspective view of an embodiment of the pump pot 26 a household dishwasher 1 with one on the sump 26 arranged modified embodiment of the at least one additional insertable retaining element 40 shown. The holding element 40 includes two intake flaps 50 . 60 and fastening devices 41 , here in the form of bayonet locks, for attachment of a schematically indicated, shown in phantom screen unit 27 serve. The sieve unit 27 is shown in phantom because of the clarity of the drawing.

The additionally insertable holding element 40 is on the inside wall surface of the washing container 20 fastened detachably. The at least one first and the at least one second suction cap 50 . 60 cover at least a portion of the respective Pumpenansaugeinlässe 71 . 72 the drain pump or circulating pump, not shown. That is, the at least one first suction cap 50 is in the outflow direction of the washing liquor or downstream of the pump sump outlet 71 and thus in front of the pump suction inlet for the drain pump arranged behind, and the at least one second suction cap 60 is in the outflow direction of the washing liquor or downstream of the pump sump outlet 72 and thus arranged in front of the pump suction inlet arranged behind the circulation pump.

The special geometry of the suction caps 50 . 60 , In particular, the Einströmleitstrukturen 52 . 62 the respective intake caps 50 . 60 , allows no major contaminants or objects to be fed to the pumps, ensuring proper hydraulic performance of the pumps. In particular, an inadmissible suction of air into the respective pump inlet and thus an undesired "snorkeling" of the respective pump is largely avoided by the respective suction cap. The sump 26 is at the sink bottom pan 25 , in particular in one piece or integrally formed. The from the washing compartment of the washing container 20 The next wash liquor flows along the washbasin tray 25 in the sump 26 into it. The dot-dash line indicated sieve unit 27 filters contaminants out of the rinsing fluid so that they do not get into the sump 26 and to those at the pump pot outlets 71 . 72 pass downstream located pumps. The sieve unit 27 is at the on the inner surface 42 of the holding element 40 arranged fastening devices 41 , here in the form of bayonet locks, releasably attached.

The holding element 40 points to the first intake cap 50 at least one hole 51 , in particular a threaded bore, on which an assembly tool can engage. The assembly tool facilitates in particular the disassembly of the holding element 40 because it can be used as a lever. The depression or the bore 51 is preferably in an easily accessible area of the first suction cap 50 arranged.

Generally considered possible the easy disassembly of at least one additional einbringbaren Holding element and thus the suction caps the simple and fast Access to the sump outlets, if they are clogged by contaminants. simultaneously ensures a configured holding element that the one or more suction caps easy and fast to the appropriate positions in the inflow of the rinsing or before the Pumpenansaugeinlässen can be attached to the sump.

The inventive design of the retaining element, the complexity of the inner contour or the inner wall of the pump sump can be reduced. Ie. There are less holding or locking means in and / or on the sump required, since only at least one retaining element to the sump, in particular on the inner contour or the inner wall of the sump, is attached. By means of the holding element according to the invention, the one or more attachment devices for attaching at least one screening unit and / or the one or more suction caps can be attached, in particular integrally formed, on the holding element. As a result, in particular, the one or more suction caps can be easily positioned in desired positions in front of the one or more pump pot outlets. In particular, the one or more suction caps and / or the sieve element can be brought into predefined installation positions in a simple manner, in particular by hand, by means of the common holding element. Each attachment on the holding element can be centered in the sump preferably so that it can be brought into coincidence with its Einbauendposition as soon as the common holding element has taken its Einbauendposition. The one-piece or integral design of the at least one additionally insertable holding element, the one or more fastening devices and the one or more suction caps in a single unit, the number of required components is significantly reduced, whereby the manufacture of the components simplified, but also the assembly times and accordingly the assembly costs can be reduced.

By the additional einbringbare holding element is the dishwasher in a simpler manner produced. Characterized in that the screen unit and / or the respective Intake cap from the additional insertable Holding element are held in the final installation state as built-in parts, it is not necessary on or in the inner wall of the sump elaborate or complicated shaped holding means specifically, d. H. specific for the to provide at least one screening unit and / or the respective suction cap, in particular to mold or to mold.

The additionally einbringbare holding element allows a simpler and faster installation of the screen unit and / or the one or more suction caps individually or together in the Pump well. In particular, the respective installation part, d. H. of the at least one screening unit and / or the one or more suction caps, in a simple manner a unique position position in the sump Attaching to the additional be assigned einbringbare retaining element. In particular it is by means of the additional insertable holding element possible, the at least one screening unit and the one or more suction caps relative to each other in desired End positions for to bring the final installation state. Conversely, it falls through the additionally einbringbare Holding element also lighter, the screen unit coupled thereto and / or the attached one or more suction caps from the sump to be removed during disassembly.

Possibly. it may also be appropriate if according to another embodiment the dishwasher, in particular the household dishwasher, preferably two or more in addition insertable retaining elements in the pump well subsequently introduced are. Each of the two or more retaining elements may be special Elements to be mounted in the sump, in particular in one piece, comprise. So can one or more fastening devices on each retaining element for receiving at least one screening unit and / or one or more Be provided suction.

1

dishwasher

10

bottom assembly

11

front wall the floor assembly

12

sidewall the floor assembly

20

rinse tank

21

front loading port

22

washing compartment

23

washing compartment

24

washing compartment

25

Spülbehälterbodenwandung

26

sump

27

screening unit

30

door

32

swivel range the door

40

retaining element

40a

first Holding element part of the holding element

40b

second Holding element part of the holding element

41

Fastening device, in particular bayonet lock

42

Inner surface area

43

latching or snap element

44

Outer casing surface

50

first suction cap

51

deepening or bore

52

Einströmleitstruktur the first intake cap

60

second suction cap

62

Einströmleitstruktur the second intake cap

70

column in the holding element

71

Pumpentopfauslass for circulation pump

72

Pumpentopfauslass for lye pump

Claims (18)

Dishwasher, in particular a household dishwasher, with one at its bottom ( 25 ) provided 26 ), whereby the sump ( 26 ) at least one sump outlet ( 71 . 72 ) for a circulation pump and / or drain pump, and wherein in the sump ( 26 ) at least one screening unit ( 27 ) and / or at the respective sump outlet ( 71 . 72 ) at least one suction cap ( 50 . 60 ), characterized in that for positioning the at least one screening unit ( 27 ) and / or the one or more suction caps ( 50 . 60 ) in the sump ( 26 ) at least one additionally insertable retaining element ( 40 ) is provided, on which the at least one screening unit ( 27 ) and / or the respective suction cap ( 50 . 60 ) are mounted in the final installation state. Dishwasher according to claim 1, characterized in that the at least one additionally insertable holding element ( 40 ) at least one fastening device for fastening the at least one screening unit ( 27 ) and / or the egg one or more intake valves (s) ( 50 . 60 ) having. Dishwasher according to at least one of the preceding claims, characterized in that on the at least one additionally insertable holding element ( 40 ) the one or more intake flap (s) ( 50 . 60 ) in one piece, in particular monolithic, are formed. Dishwasher according to at least one of the preceding claims, characterized in that the one or more intake flap (s) ( 50 . 60 ) cohesively on the at least one additionally insertable retaining element ( 40 ) are arranged. Dishwasher according to at least one of the preceding claims, characterized in that the at least one additionally insertable holding element ( 40 ) at least one fastening device, in particular a bayonet closure ( 41 ) or several bayonet locks ( 41 ) for releasably securing the screening unit ( 27 ) and / or the one or more intake valves (s) ( 50 . 60 ) having. Dishwasher according to at least one of the preceding claims, characterized in that the at least one additionally insertable holding element ( 40 ) is annular, in particular annular, is formed. Dishwasher according to claim 6, characterized in that the ring-shaped, at least one additionally insertable holding element ( 40 ) at least one gap ( 70 ) having. Dishwasher according to at least one of the preceding claims, characterized in that the at least one additionally insertable holding element ( 40 ) is formed in two parts or in several parts, wherein at least one first ( 50 ) and at least one second suction cap ( 60 ) on one of the at least two retaining element parts ( 40a . 40b ), or at least a first suction cap ( 50 ) on at least one first holding element part ( 40a ) and at least one second suction cap ( 60 ) on at least one second holding element part ( 40b ) are arranged. Dishwasher according to claim 8, characterized in that the at least one sieve element on the at least one first holding element part ( 40a ) and / or the at least one second holding element part ( 40b ) is attached. Dishwasher according to one of the preceding claims 5 to 9, characterized in that the at least one fastening device, in particular the bayonet closure ( 41 ) or the bayonet locks ( 41 ), on the inner circumferential surface ( 42 ) and / or at the to the at least one sump outlet ( 71 . 72 ) facing away from the outer circumferential surface of the ring-shaped, at least one additionally insertable retaining element ( 40 ) is / are provided. Dishwasher according to at least one of the preceding claims, characterized in that the at least one additionally insertable holding element ( 40 ) one or more fasteners, in particular snap, clamp, plug, and / or latching elements ( 43 ) to its attachment in the sump ( 26 ) having. Dishwasher according to claim 11, characterized in that the one or more fastening elements ( 43 ) on the outer circumferential surface ( 44 ) of the additionally insertable retaining element ( 40 ) and / or one or more corresponding fastening elements on the inner lateral surface of the pump pot ( 26 ) are provided. Dishwasher according to at least one of the preceding claims, characterized in that the at least one additionally insertable holding element ( 40 ) a thread for screwing on a thread of the pump pot ( 26 ) having. Dishwasher according to at least one of the preceding claims, characterized in that the at least one additionally insertable holding element ( 40 ) or the one or more suction caps ( 50 . 60 ) at least one depression or bore ( 51 ) for introducing at least one fastening tool. Dishwasher according to at least one of the preceding claims, characterized in that the at least one additionally insertable holding element ( 40 ) is made of plastic or metal. Dishwasher according to at least one of the preceding claims, characterized in that the sump ( 26 ) at the Spülbehälterboden ( 25 ) of the washing container ( 30 ) in one piece, in particular one-material, is formed. Dishwasher according to claim 16, characterized in that the Spülbehälterboden ( 25 ) with the molded sump ( 26 ) is made of at least one plastic material. Dishwasher according to at least one of the preceding claims, characterized in that in the sump ( 26 ) only we at least one fastening device, in particular at least one locking means for fastening the at least one additionally insertable retaining element ( 40 ) is provided.