EP1138249A2 - Dishwasher rack with dripping device - Google Patents

Abstract

An element (4a-4e) with a capillary action fits in a support element (2) and/or a retaining element (3a,3b) for holding part of a dish brought in contact with the support element and/or retaining element. Alternatively, a draining ledge has an element with a capillary action below the part of the dish that is tilted, in order to draw off water remaining on the deepest place on the dish.

Description

The invention relates to a crockery basket for a dishwasher and a drainer for this.

In a conventional dishwasher, the holder of the crockery parts Wire basket baskets with a Plastic coating used. Doing so for the different Dishes specific brackets provided, so that achieves the best possible cleaning and drying effect becomes. For the drying effect it is advantageous if the water after the last rinse cycle as completely as possible of the dishes drains away. With the dishes, however, especially at their deepest points and at the points of contact water drops stick to the wire mesh of the crockery basket.

9 shows an example of one in a plate holder 1a Dish basket standing plate 12. Between one Support rod 2 of the crockery basket and the plate 12 and between Holding rods 3a and 3b of the crockery basket and the plate 12 water drops stick (in Fig. 9 as dotted areas shown), which are evaporated during the dry phase have to.

To reduce the adhesion of the drops during the last Added a rinse aid to the rinse water, to lower the surface tension of the water, causing the drop size is reduced. This can cause droplet formation but cannot be completely prevented. During the Drying phase, which follows the rinse cycle, must these adhering water drops e.g. removed by evaporation to completely dry the dishes. The water vapor can also be in other ways than through Condensation are removed, e.g. by blowing out, adsorbing, etc. doing so extends at a particular Drying performance the time required for drying with the Amount of water adhering to the dishes.

The dishes are used to evaporate the water drops during the last rinse cycle is heated by hot rinsing liquid, so that the evaporation is increased. However, this requires an additional energy expenditure and also here is the Energy required for evaporation and duration of the dry phase the amount of water adhering to the dishes dependent.

It is therefore an object of the invention to determine the amount of water that adheres to dishes stored in a crockery basket, reduce even further to improve the drying process.

This object is achieved with the features of claims 1, 2 and 16 respectively solved.

According to claim 1, the support elements and / or holding elements a crockery basket for storing the crockery parts at least in the support area of the crockery parts on the support elements and / or holding elements with a capillary-like element educated. The capillary-like element guides this normally in the support area between the crockery part and the crockery basket sticking water along the support element or the Holding element away from the dishes. This will decrease the drop size or water in the support area is completely derived from this area, so that the for Drying of the dishes or the necessary time Reduced thermal energy and the drying phase quickly and can be carried out in an energy-saving manner.

The property is created by the capillary-like element exploited the water that the water in materials, that are wetted by the water, on edges or cavities preferably crawls along. The lower the wetting surface of the water created by the material when it spreads along the edge or cavity, the farther the water can spread on the surface of the material and instead of droplet formation, there is a distribution or derivation of water along the surface of the material. The capillary action leads e.g. that the wetting water in a capillary tube or on an edge of a material gravity lifts up. In the present case by the capillary effect the derivation of one on the contact surface dripping stick between the dish and the basket supported down.

Support elements and holding elements as such are in themselves known elements of a conventional crockery basket. For plates are e.g. the support elements two parallel bars at the bottom of the crockery basket and the holding elements two parallel and inclined rods. For cups serve generally grid-shaped elements on the bottom of the crockery basket as a support and holding element.

The support element or holding element according to the invention can be formed in several parts, the capillary action by parallel, slightly spaced parts or by Butt edges of the individual parts of the respective support element causes can be.

According to claim 2, a drainer is for a crockery basket provided, which is preferably tilted in the middle below Dishware runs. The drainer is advantageously in the area of the formation of "drip noses" at the bottom of the Parts of crockery, especially when standing in a plate holder stored plates, provided. The drainer must be there are not necessarily in contact with the dishes. For the derivation is also sufficient if it is spaced from the crockery part is arranged so that between the dishes and a water bridge through the on the crockery sticking water is formed. To favor the derivation of the water, the drainer has a capillary effect Element to derive from.

In an advantageous embodiment of the drainer, this is sectionally sloping, i.e. e.g. in Shape of a sawtooth line. This ensures that the drainer with differently stored plates in a plate holder Size that varies between the support bars sag deeply to the bottom of the plate is adjusted. It is avoided that the plate on rests on the drainer and is therefore asymmetrical in the plate holder comes to rest.

In a particularly advantageous embodiment, this is capillary acting element a capillary-like recess, the in the support element, the holding element or the drainer is trained. The recess can be a triangular, have a rectangular or circular section-shaped cross section. The capillary action is particularly great when the Cross-sectional dimension of the capillary-like recess in comparison to the cross section of the support element, the holding element or the drainer is small.

The capillary-like recess can e.g. in a horizontal Direction or vertical direction from the contact area of the Guide away the dishes. However, it is particularly favorable if at least the end of the capillary-like recess, that of the dish part leads away, leading downward, so that the water both through the capillary action and through the Gravity is diverted away from the crockery, where on form a drop at the bottom and from the capillary Can drain the recess.

In a further advantageous embodiment, this ends on Dish part leading away end of the capillary-like recess in or next to a pointed or wedge-shaped projection, which is formed on the underside of the crockery basket is. This causes the drop formation to protrude downward Advancement favored and the water from the capillary Recess collects on the exit side of the capillary Recess in a drop that drips from the crockery basket. This also promotes drying of the crockery basket, because all of the dishes and the basket the amount of water to be evaporated is reduced. By draining of the water at the end of the capillary, the water can also by the capillary action of the capillary-like recess not sucked up again and directed towards the dishes become.

The drainage of water from the interface between the Support element, the holding element or the drainer and the Crockery part is favored if the support surface or neighboring surface (if, as in the case of the drainer, the dishes not directly resting) is kept as small as possible. this will achieved particularly advantageously in that the bearing surface or adjacent surface of the support element, the holding element or the drainer is tapered and the capillary-like recess adjacent to the tip or in the The tip is integrated.

Due to the acute angle of the contact surface or neighboring surface the surface becomes the air between the dishes and the support element, the holding element or the drainer adhering drop increases, so that the capillary action of capillary-like recess against the adhesion of the drop between the crockery part and the support element, the holding element or the drainer is favored.

In addition to the capillary-like recesses or alternatively these can be the support element, the holding element or the Drainer at least in the area of the contact surface or Neighboring area between the support element, the holding element or the drainer and the dishes a porous structure exhibit. Due to the small dimensions of the porous structures the capillary action is also achieved here and the water derived from the dishes.

The drainage of water in the capillary-like recesses or in the porous structure is also favored by the fact that at least as the material of the support elements or holding elements a material is used in the area of the contact surface, which is particularly well wetted by water. Alternatively the contact areas can also be made with such a material be coated.

The crockery basket can be drawer-like in a conventional manner Extract stored in the dishwasher or can be provided as an insert for a crockery basket. In the latter case, the crockery basket insert and the drawer-like Extract made from different materials be, the one optimized for the water drainage properties is, while the drawer-like pull-out for the mechanical Stability is optimized.

The crockery basket insert can then be removed as a whole from the drawer Extract and e.g. for storing the Serving dishes so that the dishes are not individually from the basket insert removed and stacked separately.

According to claim 16, a drainer for a dish rack provided that a capillary-like shape for deriving of water adhering to a piece of crockery. The capillary effect resulting from the capillary-like formation corresponds to that above in relation to the support element, the holding element or the drainage described capillary action.

The draining element is used in a conventional crockery basket Provided places where usually no immediate Touch between a set piece of crockery and the crockery basket is available. As explained above, forms at the lowest point in the basket Tellers a "drip nose" that runs incompletely and sticks to the plate after the rinse cycle. Because of the large distance from the support elements on which the plate the water cannot be drained up to these. On the other hand, if such a draining element is e.g. on one Cross bar that connects the two support elements for the plates connects, provided, the drainer touches the Plate near the bottom point or only from it little apart.

During the rinse cycle, a water bridge forms between the plate and the draining element. After the rinse cycle, during the drying phase, due to the on the drainer trained, capillary-like formation the water from the plate derived away to the draining element. The derivation takes place here despite a distance between the plate and the draining element. Even if the next position of the draining element to the plate is located above the lowest edge of the plate the surface tension and capillary force of the drops Draining element derived.

In an advantageous embodiment, the capillary is Forming an edge between the draining element and e.g. one Rack of the crockery basket. The drainer can also a depression can be provided in the direction of the lattice bar, so that there is a gap between the lattice bar and the draining element, along which the water is drained.

In a further, particularly advantageous embodiment the capillary-like formation a recess in the draining element or a head start that is conveniently top to bottom run on the draining element. With the projections arises the capillary action between the side walls of the projection and the side surface of the drainer which forms an edge.

The draining element tapers to its lower end, so that the water drained down becomes a Teardrop shape that due to the low adhesion to the draining element drains from this.

In a particularly advantageous embodiment, the draining element is formed as a single part, which to a conventional Dish rack is attachable. As a result, it is not necessary to redesign the conventional crockery basket and the crockery basket can be done easily and inexpensively with the Drip element can be retrofitted.

The remaining amount of water adhering to the dishes can be achieved by a combination of the elements described above a basket can be reduced very much. You can the elements a) support element b) holding element, c) drainer and d) draining element can be used in any combination.

Exemplary embodiments of the invention are illustrated in the drawings explained in more detail.

Fig. 1 einen schematisch dargestellten Ausschnitt einer, Telleraufnahme eines Geschirrkorbs,

Fig. 2A bis 2D verschiedene Ausführungsformen von Auflagestäben oder Haltestäben im Querschnitt,

Fig. 3 einen schematisch dargestellten Ausschnitt einer Telleraufnahme gemäß einer zweiten Ausführungsform,

Fig. 4 eine Draufsicht auf eine Abtropfleiste, die unterhalb von Telleraufnahmen angeordnet ist,

Fig. 5 eine perspektivische Ansicht der Abtropfleiste von Fig. 4,

Fig. 6A bis 6C einen Abtropfclipp zum Aufrasten auf einen Geschirrkorb in einer ersten Ausführungsform,

Fig. 7 den Abtropfclipp von Fig. 6A, der auf einen Drahtbügel des Geschirrkorbs aufgerastet ist,

Fig. 8A und 8B zwei weitere Ausführungsformen eines Abtropfclipps und

Fig. 9 einen schematisch dargestellten Ausschnitt einer herkömmlichen Telleraufnahme eines Geschirrkorbs mit Tropfenbildung zwischen einem Teller und der Telleraufnahme.

Show it:

1 shows a schematically illustrated section of a plate holder of a crockery basket,

2A to 2D different embodiments of support rods or holding rods in cross section,

3 shows a schematically illustrated section of a plate holder according to a second embodiment,

4 is a plan view of a drip tray, which is arranged below plate holders,

5 is a perspective view of the drainer of FIG. 4,

6A to 6C a drip clip for snapping onto a crockery basket in a first embodiment,

7 shows the draining clip from FIG. 6A, which is snapped onto a wire bracket of the crockery basket,

8A and 8B, two further embodiments of a drip clip and

Fig. 9 shows a schematically illustrated section of a conventional plate holder of a crockery basket with drop formation between a plate and the plate holder.

The following are those designed for a crockery basket Capillary-like elements based on a plate holder of the crockery basket described in detail. The capillary corresponding elements are also corresponding to that described below Drip tray or e.g. applicable to a cup support.

Fig. 1 shows schematically a section of plate recordings 1a, 1b, 1c of a crockery basket. One in the plate holder 1 The set plate is on the bottom of a horizontal one Edition 2 on. Spaced on the support rod 2 holding rods 3a, 3b which are inclined slightly upwards that keep the plate in an inclined position.

Both in the support bar 2 and in the holding bars 3a, 3b are drainage channels 4 embedded, along which the Contact surface between the support bar 2 or the support bars 3a, 3b and the plate set in the plate holder 1 adhering water drained down from the contact area becomes.

In the support bar 2 runs an approximately in the upper area horizontal discharge duct 4a. The horizontal one Drainage channel 4a is in its middle area a discharge channel 4b connected to the drop water vertically derives downwards.

Tips 5 are formed on the underside of the support rod 2, in which the lower ends of the vertical drainage channels 4b, 4c, 4d, 4e ends. Favor the top 5 the draining of the drained water at the end of the drains 4b, 4c, 4d, 4e.

In the area of the contact surface between the holding rod 3a, 3b and the plate further vertical discharge channels run approximately vertically 4c to 4e. The discharge channel 4c in the first holding bar 3a derives this from the one between the lower edge of the plate and the first Hold rod 3a from accumulated water to tip 5. The second Derivation channel 4d in the first holding rod 3a conducts this in the contact area between the underside of the plate one in the plate holder 1b set plate and the first support bar 3a accumulated water also from tip 5.

In front of the tip 5 are the first and second discharge channels 4c, 4d of the first holding rod 3a brought together. On the second Holding rod 3b shows a modification of the discharge channel, in which the discharge channel 4e from the rear Contact surface of the plate placed in the plate holder 1a to the front contact surface of the in the plate holder 1c set plate is guided.

2A to 2D show schematic cross-sectional views a support rod 2 or corresponding to a holding rod 3. Die The basic shape of the bars 2, 3 is round with a sharp ridge 6. The ridge 6 stands in the direction of the support of the plate on rod 2, 3. FIG. 2A shows an embodiment of rod 2, 3, in which the discharge channel 4 in the ridge 6, immediately in Contact area of the plate. The drainage channel In this case, 4 has a rectangular cross section. Figure 2A shows a cross section of the rod 2, 3, in which the discharge channel 4 has a triangular cross section.

2C and 2D show embodiments in which the drain channel 4 arranged offset to the contact surface of the ridge 6 is. The cross section of the channel 4 in FIG. 2C is here triangular and the cross section of the discharge channel 4 in Fig. 2D has the shape of a circular section.

Fig. 3 shows a section of a second embodiment of a Dish holder of the crockery basket. For same or elements with the same effect have the same reference numerals as used in Fig. 1.

In this embodiment, the support bar 2 on which the The rim of the plate rests, partially sloping. As a result, the outlet channels 4a in the support bar 2 are inclined, thereby promoting the drainage of the water. The The base line of the support rod 2 is sawtooth-shaped. The respective sections of the support rod 2 are sawtooth-shaped Course tapered downwards, so that these downward-pointing formations as tip 5 to Draining the water can be used.

Fig. 4 shows a plan view of a section side by side horizontal plate holders 1a, 1b, 1c. Between a rear and front support bar 2a, 2b (with reference to FIG. 5) a drip tray in the middle 7. At the top of the drip tray 7 a tapered ridge 6 is formed, the upper edge the ridge 6 below the level between the tops of the front and rear support rod 2a, 2b. I.e. the Drainer runs below the lower edge of one in the Plate support 1a, 1b or 1c set plate, the lowest point between the support rods 2a, 2b below the top of the support rods 2a, 2b.

The support bar 7 is sawtooth-like in the direction of the support bars 2a, 2b trained (sloping in sections), where, as can be seen from Fig. 5, the highest point of the upper edge the ridge 6 in the vicinity of two opposite holding rods 3 lies and in the direction of the support rods 2a, 2b up to the next opposite holding rods 3 drops where the next section starts with an increasing level. By this sawtooth pattern is adapted to the drip tray 7 to different sized plates, which are in the plate holders 1a, 1b, 1c can be set so that the distance between the deepest edge of the plate and the drip tray 7 approximately constant is. In addition, the inclined section favors Shape of the drip tray 7 the drainage of the water.

The upper edge of the ridge 6 can, but does not have to be outside the box be sure to touch that at the lowest point of the standing to remove stuck water from the stored plates, because during the rinse aid is formed between the rim of the plate and the drip tray a "water bridge" that during the dry phase only tears off when the water is almost complete has run off the plate. This prevents larger amounts of water stay behind and lead to dry spots.

In the drainer 7 are to promote the derivation of the Drainage channels 4 let in water from the set plates. The shape of the drainage channels 4 can correspond to the above in With reference to the support rods 2 and support rods 3 described drain channels 4, 4a to 4e. Furthermore, that Cross-sectional profile of the drip tray 7 the cross-sectional profile a support or holding rod 2, 3, as shown in FIGS. 2A to 2D, correspond or have a rectangular basic shape, on which the ridge 6 is formed on the top.

6A to 6C show different views of a drip clip 8. FIG. 6A shows a side surface of the draining clip 8, facing a plate set in a plate holder 1a is. From the drip clip 8 are in on the side surface 6A projections 9 with a square cross section.

FIG. 6B shows a top view of the draining clip 8 in which the cross-sectional profile of the projections 9 can be seen. To the Snap the drip clip 8 onto a wire bracket 11 (FIG. 7) of the crockery basket is a round groove 10 in the top Draining clip 8 inserted. 6A shows a side view of the drip-off clip 8, from which the profile of the circular groove 10 can be snapped on on the wire bracket 11 can be seen.

FIG. 7 shows the draining clip 8 from FIGS. 6A to 6C in one schematic representation after snapping onto the wire bracket 11. The wire bracket 11 runs perpendicular to the plane of the drawing and parallel to the drawing level are shown (dashed lines, because in front and running behind the plane of the drawing) a support bar 2 and a first and second holding rod 3a, 3b of a plate holder 1a shown. The wire bracket 11 is used for connection and stabilization the support rods running parallel to the plane of the drawing 2. Furthermore, a plate 12 is shown in a sectional view, which is set in the plate holder la.

The plate 12 is on the side of the first and second holding bar 3a, 3b and lies on the lower edge of the two in a vertical Direction to the drawing plane arranged one behind the other Support rods 2. Hangs between the two support rods 2 the plate 12 downwards, so that the lowest point of the Plates 12 in the plate holder 1a below the support surface of the plate 12 on the support rods 2. In the middle between the support rods 2 is the drip clip 8 on the wire bracket 11 snapped on and is therefore in the immediate vicinity of the lowest point of the plate. The draining clip 8 Depending on the plate size, lie directly on the plate 12 or from it be slightly spaced.

Regardless of whether the drip clip 8 is spaced from the plate 12 is or is in direct contact with it, forms during of the last rinse cycle, a water bridge between the plates 12 and the drip clip 8 as indicated by the dotted area 13 is shown. Due to the capillary action the angle between the projections 9 and the side surface of the draining clip 8, the water from the interface between plates 12 and Draining clip 8 removed and towards the pointed lower part of the draining clip 8 derived. Due to the wetting property the formation of the "drip nose" avoided at the bottom of the plate and the water to the draining clip 8 slides out.

FIGS. 8A and 8B show further configurations of the draining clip 8. In Fig. 8A, the protrusions 9 have a triangular cross-sectional area and stand out from the side of the drip clip 8 forth. In the embodiment of the draining clip 8 in FIG. 8B are instead of the projections in the side part of the drip clip 8 Recessed recesses 14 with a square cross section. The draining clips 8 of FIGS. 6A, 8A and Figure 8B capillary action through the edge between the protrusion 9 or the recess 14 and the side surface of the draining clip 8 and additionally in the draining clip 8 from FIG. 8B through the closely opposing side walls of the recess 14 causes.

Reference list

1a, 1b, 1c:

: Plate holder

2, 2a, 2b:

Support rod

3, 3a, 3b:

Holding rod

4, 4a, 4b, 4c, 4d, 4e:

Discharge channel

5:

top

6:

ridge

7:

Drainer

8th:

Drainer clip

9:

head Start

10:

Round groove

11:

Wire bracket

12:

Plate

13:

Waterdrop

14:

deepening

Claims (16)

Dish basket for a dishwasher, in which a Support element (2) and / or a holding element (3) for storing one Tableware part (12) at least in the support area of the tableware part (12) on the support element (2) and / or the holding element (3) a capillary-like element for deriving has water adhering to the crockery part (12). Dish basket for a dishwasher, in which a Drainer (7) underneath one standing in the crockery basket Dishware part (12) is arranged running, the drainer (7) a capillary-like element for discharging of water adhering to the crockery part (12). Dish rack according to claim 1 or 2, wherein the capillary acting element at least one capillary-like recess (4), which in particular a triangular, rectangular or has a circular cross-section. Dish rack according to claim 3, wherein the capillary Recess (4) on the support element and / or the holding element and / or the drainer (7) at least on their part of the dishes (12) leading end formed downward is. Dish rack according to claim 3 or 4, wherein the capillary Recess (4) next to or in a pointed or wedge-shaped trained projection (5) on the underside of the Dish rack is formed, ends. Dish rack according to one of claims 3 to 5, in which a or several capillary-like recesses (4a, 4d) with one downward, further capillary-like recess (4b, 4e) are connected. Dish rack according to one of claims 3 to 6, wherein the with the crockery part (12) in contact with the area Support element and / or holding element and / or the part of the dishes (12) closest area of the drainer (7) in Direction of the tableware part (12) tapered is. Dish rack according to claim 7, wherein the capillary Recess adjacent to the tapered area or immediately in the tapered area, which is preferably is designed as a ridge (6). Dish rack according to one of the preceding claims, which the support element (2) and / or the drip tray (7) in Longitudinal direction is divided into sections in which the support element and / or the drip tray (7) is inclined in each case. Dish rack according to one of the preceding claims, which the surface of the support element and / or the holding element and / or the drainer at least partially a porous one Has structure. Dish rack according to one of the preceding claims, which the material on the surface of the crockery basket by water is well wettable or in which the crockery basket at least in the area of the contact surface of the crockery parts (12) or immediately adjacent to this with a well wettable with water Layer is coated. Drainer, especially with one on its lower one End pointed training, for a crockery basket one Dishwasher with at least one capillary shape for deriving from adhering to a piece of tableware (12) Water. Drainer according to claim 12, in which at least one the capillary-like formations a gap between the drip element (8) and the crockery basket or one between the drainer (8) and the crockery basket is formed edge. Drainer according to claim 12 or 13, wherein the capillary Forming a depression (14) in the draining element (8) or a projection (8) on the draining element (8), a triangular, rectangular or circular section Have cross-section. Draining element according to one of claims 12 to 14, in which the end of the capillary-like part leading away from the crockery part (12) Formation next to or in the lower end of the draining element (8) ends. Draining element according to one of claims 12 to 15, the Crockery basket, in particular on a wire (11) of the crockery basket, attachable, preferably snapped onto the crockery basket, is.

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