WO2015185631A1

WO2015185631A1 - Dishwasher, in particular domestic dishwasher

Info

Publication number: WO2015185631A1
Application number: PCT/EP2015/062383
Authority: WO
Inventors: Norbert Gerstner; Thomas Steck
Original assignee: BSH Hausgeräte GmbH
Priority date: 2014-06-05
Filing date: 2015-06-03
Publication date: 2015-12-10
Also published as: DE102014210721A1; PL3151718T3; EP3151718A1; EP3151718B1

Abstract

The invention relates to a dishwasher (1), in particular a domestic dishwasher, having a basic structure (2), having at least one loading-level element (10), having at least one guide rail (12), along which the at least one loading-level element (10) can be displaced in a linear manner, having at least one control arm (14), which retains the at least one guide rail (12) in a pivotable manner on the basic structure (2), the control arm (14) being articulated on the guide rail (12) such that it can be pivoted about a pivot axis (22), having a blocking part (26), which is arranged on the at least one loading-level element (10), and having a blocking counterpart (27), which is arranged on the control arm (14), wherein the blocking part (26) and the blocking counterpart (27), when in an enabling state, enable linear displacement of the at least one loading-level element (10) along the at least one guide rail (12) and, when in a blocking state, block linear displacement of the at least one loading-level element (10) along the at least one guide rail (12), wherein the blocking part (26) or the blocking counterpart (27), in order to be adjusted between the blocking state and the enabling state, can be rotated about an axis of rotation (30) in the blocking counterpart (27) or the blocking part (26), respectively, the axis of rotation (30) being equiaxial with the pivot axis (22) of the at least one control arm (14).

Description

Dishwasher, in particular

Domestic dishwasher

The present invention relates to a dishwasher, in particular a domestic dishwasher.

The loading and unloading of a lower basket of a dishwasher is often perceived by users as being uncomfortable because it requires working in a stooped posture. Therefore, various mechanisms have been known from the prior art for raising the lower basket from a lower position thereof within the washing compartment of the dishwasher to an upper position outside the washing compartment.

The document DE 10 2012 107 993 A1 discloses, for example, a sliding swivel mechanism set up for this purpose. This includes a shelf, for example, a lower basket, which is held linearly displaceable on a guide rail. The guide rail is articulated via two pivot arms on a body of the dishwasher pivotally. On the guide rail and on one of the pivot arms, a locking mechanism is arranged. The locking mechanism is adapted to prevent a simultaneous pivoting and sliding movement.

Against this background, an object of the present invention is to provide an improved dishwasher, in particular domestic dishwasher. Accordingly, a dishwasher, in particular household dishwashing machine, with a body, at least one loading level, at least one guide rail, at least one link arm, a locking piece and a locking counterpart is provided. The at least one loading plane is linearly displaceable along the at least one guide rail. The at least one link arm holds the at least one guide rail pivotally mounted on the body. The link arm is pivotally connected to the guide rail about a pivot axis. The locking piece is arranged on the at least one loading level. The locking counterpart is on the Handlebar arm arranged. The locking piece and the locking counterpart in a release state thereof release a linear displacement of the at least one loading plane along the at least one guide rail. In a locked state, the locking piece and the locking counterpart block a linear displacement of the at least one loading plane along the at least one guide rail. The locking piece or the locking counterpart is rotatable for an adjustment of this between the blocking state and the release state about an axis of rotation in the other of the locking piece or the locking counterpart. The axis of rotation coincides with the pivot axis of the at least one link arm. The fact that the axis of rotation is the same axis with the pivot axis, there is a simple mechanism to prevent simultaneous pivoting and linear displacement of the loading level. In particular, it can thus be prevented that the loading plane, after it has been linearly displaced in the extension direction into its local end position and has begun pivoting from its lower position into its upper position, is displaced back against the extension direction, ie into the washing compartment. Accordingly, such a relocation is preferably also excluded until the at least one loading level has been pivoted back from its upper position to its lower position. Only then is the linear relocation of the at least one loading level released into the washing container.

The simplified mechanism results in particular from the fact that the rotation of the locking piece in the locking counterpart (or vice versa) requires fewer components and / or less complex components than, for example, a link with an associated slotted guide. The rotational movement of locking piece and locking counterpart to each other in the present solution is a result of the pivotal movement of the at least one loading plane about the pivot axis. That is, the rotational movement and the pivotal movement take place simultaneously, wherein the pivoting movement is the cause of the rotational movement. In the locked state, the locking piece and the locking counterpart engage with each other in such a way that the linear displacement of the loading plane is blocked. In particular, the locking counterpart can engage behind the locking piece (or vice versa) in the locked direction. For example, the locking counterpart can be outside of this Extend locking piece at least in sections (or vice versa). In the release state, on the other hand, disengagement of the locking piece and locking counterpart in the direction of linear displacement is released. The release state can thus relate to a state in which, for example, the locking piece is still arranged in the locking counterpart, but is movable out of this. Or the release state may refer to a state in which the locking piece and the locking counterpart are spaced from each other.

The body may in particular comprise a rinsing container. The at least one link arm can be articulated on the washing container, in particular on a fitting thereof.

The loading level can generally be a storage or receptacle, in particular for crockery and / or cutlery. The loading level is preferably a crockery basket or a cutlery drawer. Particularly preferably, the at least one loading level is formed as a lower dish rack.

According to one embodiment, the locking piece and the locking counterpart are adapted to be rotatable by means of linear displacement of the at least one loading plane along the at least one guide rail.

In particular, the displacement of the at least one loading level takes place in the extension direction, wherein an end position of the loading level in the extension direction corresponds to a state in which the locking piece and the locking counterpart are arranged rotatable into each other. In particular, a stop of the locking piece on the locking counterpart define the end position in the extension direction.

According to a further embodiment, the release state corresponds to a non-pivoted, lower position of the at least one loading plane and the blocking state of an at least partially pivoted out of the lower position, the upper position of the at least one loading level. It is preferably provided that the pivoting and linear displacement never take place at the same time, but only in succession. For example, the at least one loading plane is first moved out of the body at least partially linearly, in particular pulled out. From this at least partially herausverlagerten, lower position, the at least one loading level is pivoted into its upper, also at least partially herausverlagerten position. This is followed by a back pivoting of the loading level from their at least partially herausverlagerter, upper position in their at least partially herausverlagerte, lower position follows. From the at least partially herausverlagerten, lower position, the at least one loading level is linearly moved back into the body, in particular pushed back. In particular, the three following positions thus result for the at least one loading level: a lower position pushed into the carcass, a lower position, at least partially pulled out of the carcass, and an upwardly pivoted, at least partially pulled out position. Preferably, only the gravitational force between the lower, retracted and lower, extended positions can cause no pivoting of the loading plane simultaneously with the linear displacement of the same during the extraction (and the pushing back with a displacement in the reverse direction). Preferably, the locking piece and the locking counterpart ensure only when pivoting between the lower, at least partially extended position and the upwardly pivoted, at least partially extended position, that there is no linear displacement, in particular rearrangement, the at least one loading level in the body comes into it.

According to a further embodiment, the locking counterpart is adapted to engage behind the blocking piece by turning the locking counterpart about the axis of rotation counter to an extension direction in which the at least one loading level is displaceable out of the body for the blocking state. Accordingly, in the locked state, the locking piece abuts against the locking counterpart in a direction opposite to the extension direction, so that a return movement of the at least one loading plane into the body is prevented. In particular, the at least one loading level is thus at least partially secured in its end position outside the body. According to one embodiment, the locking piece or the locking counterpart has an egg-shaped element with a radial opening. In this embodiment, the other of the locking piece or locking counterpart can have a pin-shaped element which can be introduced radially into the C-shaped element by means of the radial opening. By linear displacement, the peg-shaped element passes through the radial opening in the space enclosed by the C-shaped element. By relative rotation of the locking piece and the locking counterpart, the C-shaped element engages behind the pin-shaped element against the extension direction, so that a movement of the peg-shaped element against the extension direction is then locked.

According to a further embodiment, the peg-shaped element is formed with at least one insertion bevel for insertion thereof into the radial opening of the C-shaped element. As a result, the peg-shaped element passes safely into the C-shaped element, even if the opening of the C-shaped element is not exactly opposite to the extension direction, but deviates from it, for example, by several degrees.

According to a further embodiment, the peg-shaped element is rounded on one side and flattened on its other side or rounded.

By rounding two opposite chamfers are created in a simple manner, which bring the advantages already mentioned with it. The flattened side is well suited to serve as a stop on the C-shaped element in the locked state.

According to a further embodiment, the C-shaped element is arranged on the at least one link arm.

Accordingly, the C-shaped member rotates about the axis of rotation when the link arm is pivoted about the pivot axis on the guide rail. According to a further alternative embodiment, the C-shaped element is arranged on at least one control lever. In this case, the control lever is rotatably arranged in its region facing away from the C-shaped element on the body and guided by means of the C-shaped element preferably touching or with the guide rail.

Accordingly, the C-shaped member rotates about the axis of rotation when the control lever is pivoted about the pivot axis on the body.

According to a further embodiment, the pin-shaped element is arranged on the at least one loading plane.

Accordingly, the C-shaped element rotates upon pivoting of the at least one loading plane about the spigot-shaped element. According to a further embodiment, the at least one loading plane has at least one further guide rail or rollers, by means of which it is linearly displaceable along the guide rail.

A running rail can form a telescopic rail together with the guide rail and the further guide rail. Furthermore, the running rail can be supported on the guide rails via balls or other roller bearings. Or else the rollers can roll directly on the guide rail, wherein the rollers are rotatably mounted on a basket portion of the loading plane. According to a further embodiment, the locking piece or the locking counterpart is arranged on the running rail or on a basket portion of the at least one loading level.

Thereby, the locking piece or the counterpart counterpart can be easily provided at the loading level. In particular, the locking piece or the locking counterpart can be formed integrally or in one piece with the running rail or the basket portion. According to a further embodiment, the at least one guide rail has a horizontal guide section for guiding the at least one loading plane and at least one upwardly directed tab on which the at least one link arm is articulated. According to a further embodiment, the at least one link arm is a parallel link of a parallel link arrangement, which supports the at least one guide rail in a horizontal position pivotably on the body.

The at least one loading level is therefore always oriented horizontally, in particular in the upper and lower position, that is, its main extension plane is aligned horizontally. This prevents falling out of particular crockery or cutlery when pivoting the at least one loading level. The parallel-link arrangement may in particular comprise two or more parallel links. In the present case, "horizontal" also encompasses deviations of less than +/- 20 degrees, preferably less +/- 10 degrees and more preferably less than +/- 5 degrees. "Vertical" here also includes deviations of less than +/- 20 degrees, preferably less + / - 10 degrees and more preferably less +/- 5 degrees. Further possible implementations of the invention also include not explicitly mentioned combinations of features or embodiments described above or below with regard to the exemplary embodiments. The skilled person will also add individual aspects as improvements or additions to the respective basic form of the invention.

Further advantageous embodiments and aspects of the invention are the subject of the dependent claims and the embodiments of the invention described below. Furthermore, the invention will be explained in more detail by means of preferred embodiments with reference to the attached figures.

Show it

Fig. 1 is a schematic perspective view of a first preferred

Embodiment of a dishwasher; Fig. 2 is a detail of a view II of FIG. 1, wherein a lower

Dish rack is shown in a first position;

Fig. 3 is the view II of Figure 1, wherein the lower dish rack is in a second position.

Fig. 4 is the view II of Figure 1, wherein the lower dish rack is in a third position.

Fig. 5 is the view II of Figure 1, wherein the lower dish rack is in a fourth position.

Fig. 6 is a section Vl-Vl of Fig. 2;

7 to 9 first preferred embodiments of a locking piece and a

Counterpart counter of the dishwasher in different

states;

10 is a schematic perspective view of a second

Embodiment of a dishwasher;

Fig. 1 1 a detail of a view III of Fig. 10, wherein a lower

Dish rack is shown in a first position;

FIG. 12 is a view III of FIG. 10 with the lower dish rack in a second position; FIG.

Fig. 13 is the view III of Fig. 10 with the lower dish rack in a third position;

FIG. 14 shows a section XI-XI from FIG. 11; FIG. and

Fig. 15 to Fig. 18 second preferred embodiments of a locking piece and a

Sperrgegenstücks the dishwasher in different states. In the figures, the same or functionally identical elements have been given the same reference numerals, unless stated otherwise.

1 shows a schematic perspective view of a first preferred embodiment of a dishwasher 1. The dishwasher 1 has a washing container 2 comprehensive body, which is closed by a door 3 watertight. The rinsing container 2 and the door 3 form a rinsing chamber 4 for rinsing dishes. The door is shown in Fig. 1 in its open position. By pivoting about a provided at a lower end of the door 3 pivot axis, the door can be closed or opened. The rinsing container 2 is, for example cuboidal and comprises a bottom 5, a floor 5 opposite ceiling 6, a door 3 opposite rear wall 7 and two opposing side walls 8, 9. The rinsing container can be made of stainless steel, plastic or a combination of stainless steel Be made of plastic.

The dishwasher 1 also has at least one loading level 10. The loading level 10 is preferably a Spülgutaufnahme the dishwasher 1. In particular, a plurality of loading levels 10 may be provided, each one of the multiple loading levels 10 may be a lower dish rack (lower basket), an upper dish basket (upper basket) or a cutlery drawer of the dishwasher 1. The plurality of loading levels 10 are preferably arranged one above the other in the washing container 2. Each loading level 10 is selectively displaceable in an insertion direction E (arrow) into the rinsing container or in an extension direction A (arrow) out of it. For this purpose, a guide device 1 1 is preferably provided on both sides of a respective loading level 10.

2 shows a view II from FIG. 1, wherein the side wall 9 is not shown, so that a view of the side wall 8 and the rinsing chamber 4 located in front of it is released. Further, in Fig. 2, a loading level 10 in the form of a lower dish rack is shown. The lower dish rack 10 is linearly displaceable relative to a guide rail 12 of the already mentioned in connection with FIG. 1 guide means 1 1.

In order to facilitate loading and unloading of the lower dish rack 10 for an operator, the latter is pivotably provided upwardly out of the dishwashing chamber 4 by means of a parallelogram linkage arrangement 13, as shown in FIGS. 2 to 5. FIG. 2 shows a first position of the lower dish rack 10, in which it is inserted in the insertion direction E (arrow) in the washing chamber 4 and is arranged close to or in abutment against the rear wall 7. Furthermore, the lower one Dish rack 10 in the first position in a lower portion of the washing chamber 4 near the bottom 5 is arranged.

In contrast, FIG. 3 shows a second position of the lower dish rack 10 in which it is linearly partially displaced out of the washing chamber 4 in the extension direction A (arrow). This movement corresponds to an exclusively horizontal displacement of the lower dish rack 10. At the second position shown in FIG. 3, a third position shown in FIG. 4 now follows. In the third position, which corresponds to an intermediate position, the lower dish rack 10 is partially pivoted upwards and is thus arranged vertically above the first and second positions. The lower dish rack 10 can still only partially, as shown, outside the washing chamber 4 may be arranged. If the lower dish rack 10 is now pivoted further upwards, it enters a fourth position shown in FIG. 5. In the fourth position, the lower rack 10 has arrived in its highest position and may be located completely outside the washing chamber 4.

Returning now to FIG. 2, it is shown that the parallelogram linkage arrangement 13 comprises, for example, two link arms 14, 15. The link arms 14, 15 are each - in the following, however, explained in more detail for the sake of simplicity only for the link arm 14 - hinged to the side wall 8 at one end in a pivot point 16. At its other end, the link arms 14, 15 hinged to the guide rail 12 in a pivot point 17.

In order to shift the lower dish rack from the second position to the fourth position via the third position, the handlebar arms 14, 15 may be pivoted 90 degrees, for example, as shown. However, a corresponding maximum swivel angle may also be less, for example only at least 80 degrees, 70 degrees or 60 degrees. In the first position, the link arms 14, 15, as shown in FIG. 2, be vertically aligned. This position take the link arms 14, 15 due to the effect of gravity. The movement of the lower dish rack 10 in the extension direction A (arrow) (and in the feed direction E (arrow)) and the pivoting of the lower dish rack 10 in the third and fourth position is done according to the embodiment by applying a manual force, but also a (Partial) automation could be provided by means of an electric motor or the like.

The articulation of the link arms 14, 15 on the guide rail 12 and further details of the dishwasher 1 are explained in more detail below with reference to FIG. 6, which shows a section Vl-Vl of FIG. The guide rail 12 includes a guide portion 18 and two tabs 19 (the second tab is shown in FIG. 2). The guide section 18 always extends horizontally, ie in all four positions (see FIGS. 2 to 5). From the guide portion 18, the tabs 19 protrude upwards. The link arm 14 is pivotally mounted in the pivot point 17 by means of a pin 20 which engages in a corresponding opening 21 in the tab 19, about a pivot axis 22.

In addition to the guide rail 12, the guide device 1 1 comprises a further guide rail 23 and a track rail 24. The guide rail 23 is part of the lower dish rack 10 and attached to a basket portion 25 of the same fixed. The running rail 24 is supported on both sides by balls, not shown, on the guide rails 12, 23, whereby a telescopic rail is formed. Accordingly, the guide rail 23 relative to the guide rail 12 exclusively linearly displaceable, which is done by pulling or pushing the lower rack 10.

The lower dish rack 10 further includes a locking piece 26, which is rotatably provided, for example, on the basket portion 25. The locking piece 26 has a pin-shaped element 28. On the link arm 14, a corresponding locking counterpart 27 is firmly attached. The locking counterpart 27 has, according to the embodiment, a C-shaped element 29 (see also Fig. 7). The locking counterpart 27 may be rotatably connected, for example via pins not shown in detail with the link arm 14. A respective pin passes through a curved slot (not shown) in the tab 19, so that the required mobility or pivotability between the tab 19 and the link arm 14 is given. The interaction of the locking piece 26 with the locking counterpart 27 will be explained in more detail with reference to FIGS. 7 to 9.

FIG. 7 illustrates that the C-shaped element 29 has an opening 34 radial with respect to a rotation axis 30. As further shown in FIG. 7, the peg-shaped element 28 comprises a rounded side 31 and a flattened side 32. The side 32 may also be rounded in another embodiment, not shown. This results in the rounded side 31 opposite insertion bevels 33, which facilitate insertion into the opening 34. In Fig. 7, the C-shaped member 29 and the pin-shaped member 28 are shown spaced from each other, which corresponds to a release state thereof and, for example, in the first position, as shown in Fig. 2, the case. Consequently, the pin-shaped element 28 can move linearly, ie in the extension direction A (arrow) or the insertion direction E (arrow). When the lower dish rack 10 is now pulled out and moved from its first position (see Fig. 2) to its second position (see Fig. 3), the pin-shaped element becomes

28 is moved through the radial opening 34 into an inner space 35 enclosed by the C-shaped element 29, as shown in FIGS. 8 and 9. In particular, the pin-shaped element 35 can abut on its rounded side 31 on an inner side 36 of the C-shaped element 29, whereby an end position of the lower dish rack 10 in the extension direction A (arrow) and thus the second position (see FIG. 3) defined becomes. Thereafter, further pulling the operator person on the lower dish rack 10 in the extension direction A (arrow) leads to a pivoting of the handlebar arms 14, 15. Until then, ie between the first and second position of the lower dish rack 10, only the gravity ensures that the link arms 14, 15 remain in their vertical orientation.

The pivoting of the link arm 14 now causes the C-shaped element

29 about the axis of rotation 30 and thus rotates about the pin-shaped element 28. The axis of rotation 30 is coaxially with the pivot axis 22, so that the pivoting of the pivot arm 14 also leads directly to a rotation of the C-shaped member 29 about the zapfenformige element 28. Due to the rotation, the C-shaped element 29 engages behind the pin-shaped element 28 in the insertion direction E (arrow), that is, an end 37 of the C-shaped member 29 slides behind the flattened side 32 of the pin-shaped element 28. Thus, a linear displacement of the pin-shaped element 28 with respect to the C-shaped element 29 both in the insertion direction E (arrow) and in the extension direction A (arrow) locked. The corresponding blocking state of the pin-shaped element 28 and the C-shaped element 29 is shown in FIG. 9. This corresponds to the third position (see FIG. 4) or fourth position (see FIG. 5). Thus, a simultaneous displacement or displacement of the lower dish rack 10 is prevented during a pivoting between the second, third and fourth position. In particular, such an undesirable displacement of the lower dish rack 10 in the insertion direction E (arrow) is avoided during pivoting.

Preferably, on the side wall 9 of the body 2, an arrangement is provided in mirror image to that described above, to guide the sliding pivotal movement of the lower dish rack 10 also on its opposite side.

FIG. 10 shows a schematic perspective view of a second preferred embodiment of a dishwasher 1. The dishwasher 1 has a washing container 2 comprehensive body, which is waterproof sealed by a door 3 only indicated.

The rinsing container 2 and the door 3 form a rinsing chamber 4 for rinsing dishes. The merely indicated door is shown in Fig. 10 in its open position. By pivoting about a provided at a lower end of the door 3 pivot axis, the door can be closed or opened.

The rinsing container 2 is, for example cuboidal and comprises a bottom 5, a floor 5 opposite ceiling 6, a door 3 opposite rear wall 7 and two opposing side walls 8, 9. The rinse tank can be made of stainless steel, plastic or a combination of stainless steel Be made of plastic.

The dishwasher 1 also has at least one loading level 10. The loading level 10 is preferably a Spülgutaufnahme the dishwasher 1. In particular, a plurality of loading levels 10 may be provided, wherein one of the plurality of loading levels 10 may be a lower rack (lower rack), an upper rack (upper rack) or a cutlery drawer of the dishwasher 1. The plurality of loading levels 10 are preferably arranged one above the other in the washing container 2. Each loading level 10 is selectively displaceable in an insertion direction E (arrow) into the rinsing container or in an extension direction A (arrow) out of it. For this purpose, a guide device 1 1 is preferably provided on both sides of a respective loading level 10.

Fig. 1 1 shows a view III of FIG. 10, wherein the side wall 9 is not shown, so that a view of the side wall 8 and the rinsing chamber 4 lying in front of it is released. In addition, a schematically illustrated loading level 10 in the form of a lower dish rack is shown in FIG. 11. The lower dish rack 10 is linearly displaceable relative to a guide rail 12 of the already mentioned in connection with FIG. 10 guide means 1 1.

In order to facilitate loading and unloading of the lower dish rack 10 for an operator, the latter is pivotably provided upwardly out of the dishwashing chamber 4 by means of a parallelogram linkage arrangement 13, as shown in FIGS. 12 and 13. 1 1 shows a first position of the lower dish rack 10, in which it is inserted in the insertion direction E (arrow) in the washing chamber 4 and is arranged close to or in abutment against the rear wall 7. Further, the lower rack 10 is disposed in the first position in a lower portion of the washing chamber 4 near the bottom 5. In contrast, FIG. 12 shows a second position of the lower dish rack 10 in which it is linearly partially displaced from the dishwashing chamber 4 in the extension direction A (arrow). This movement corresponds to an exclusively horizontal displacement of the lower dish rack 10. The second position shown in FIG. 12 now follows a third position shown in FIG. In the third position, the lower rack 10 has arrived in its highest position and may be located completely outside the washing chamber 4. Returning now to FIG. 11, it is shown that the parallelogram linkage arrangement 13 comprises, for example, two link arms 14, 15. The link arms 14, 15 are each - in the following, however, explained in more detail for the sake of simplicity only for the link arm 14 - hinged to the side wall 8 at one end in a pivot point 16. At its other end, the link arms 14, 15 hinged to the guide rail 12 in a pivot point 17.

In order to move the lower crockery basket from the second position to the fourth position via the third position, the handlebar arms 14, 15 can be pivoted by 90 degrees, for example, as shown. However, a corresponding maximum swivel angle may also be less, for example only at least 80 degrees, 70 degrees or 60 degrees. In the first position, the link arms 14, 15, as shown in FIG. 2, be vertically aligned. This position take the link arms 14, 15 due to the effect of gravity. The movement of the lower dish rack 10 in the extension direction A (arrow) (and in the feed direction E (arrow)) and the pivoting of the lower dish rack 10 in the third and fourth position is done according to the embodiment by applying a manual force, but also a (Partial) automation could be provided by means of an electric motor or the like. As an extension to the first preferred embodiment of the dishwasher 1, the illustrated second preferred embodiment of the dishwasher 1 has at least one control lever 38. The control lever 38 is rotatably disposed on the body 2 between the body 2 and the guide rail 12 and the link arm 14, respectively.

The articulation of the link arms 14, 15 on the guide rail 12 and further details of the dishwasher 1 are explained in more detail below with reference to FIG. 14, which shows a section Xl-Xl of FIG. 1 1. The guide rail 12 comprises a guide section 18 and two tabs 19 (the second tab can be seen in FIG. 11). The guide section 18 always extends horizontally, ie in all four positions (see FIGS. 11 to 13). From the guide portion 18, the tabs 19 protrude upwards. The link arm 14 is in the pivot point 17 by means of a pin 20, which engages in a corresponding opening 21 in the tab 19, pivotally mounted about a pivot axis 22 (see Fig. 6).

In addition to the guide rail 12, the guide device 1 1 comprises a further guide rail 23 and a running rail 24 (see FIG. 6). The guide rail 23 is part of the lower dish rack 10 and attached to a basket portion 25 of the same fixed. The running rail 24 is supported on both sides by balls, not shown, on the guide rails 12, 23, whereby a telescopic rail is formed. Accordingly, the guide rail 23 relative to the guide rail 12 is exclusively linearly displaceable, which takes place by pulling or pushing the lower rack 10 (see Fig. 6).

The lower dish rack 10 further includes a locking piece 26, which is rotatably provided, for example, on the basket portion 25. The locking piece 26 has a pin-shaped element 28 (see FIG. 15).

On the control lever 38, a corresponding locking counterpart 27 is fixedly mounted in the region remote from its rotation range. The locking counterpart 27 has, according to the embodiment, a C-shaped element 29 (see also Fig. 15). The locking counterpart 27 can be rotatably connected, for example via a pin not shown in detail with the control lever 38 and acted upon by a spring element 39 with a spring force in a rotational direction D (arrow) (see Fig. 17).

The interaction of the locking piece 26 with the locking counterpart 27 will be explained in more detail below with reference to FIGS. 15 to 18.

FIG. 15 shows that the C-shaped element 29 has an opening 34, which is radial with respect to a rotation axis 30. As further shown in Fig. 15, the peg-shaped element 28 comprises a rounded side 31 and a likewise rounded side 32. The side 32 may be flattened in a further, but not shown embodiment also. This results in the rounded side 31 opposite insertion bevels 33, which facilitate insertion into the opening 34. In Fig. 15, the C-shaped member 29 and the peg-shaped element 28 are shown spaced from each other, which corresponds to a release state thereof and, for example, in the first position, as shown in Fig. 1 1, the case. Consequently, the pin-shaped element 28 can move linearly, ie in the extension direction A (arrow) or the insertion direction E (arrow).

If the lower dish rack 10 is now pulled out and moved from its first position (see Fig. 1 1) to its second position (see Fig. 12) (extension direction A (arrow)), the pin-shaped element 28 through the radial opening 34 in an inner space 35 enclosed by the C-shaped element 29 moves as shown in FIG. In particular, the pin-shaped element 35 can abut on its rounded side 31 on an inner side 36 of the C-shaped element 29, whereby an end position of the lower dish rack 10 in the extension direction A (arrow) and thus the second position (see FIG. 12) defined becomes. Thereafter, further pulling the operator person on the lower dish rack 10 in the extension direction A (arrow) leads to a pivoting of the handlebar arms 14, 15. Until then, ie between the first and second position of the lower dish rack 10, only the gravity ensures that the link arms 14, 15 remain in their vertical orientation. In the second position (see FIG. 12), the guide rail 12 is brought into contact with the C-shaped element 29 arranged on the control lever 38.

Further displacement of the guide rail 12 now leads, as shown in Fig. 18, on the one hand to a pivoting of the link arm 14 and on the other hand to a rotation of the control lever 38 and thus to a rotation of the C-shaped member 29 about the rotation axis 30 and thus the pin-shaped element 28. The axis of rotation 30 is coaxially with the pivot axis 22, so that the pivoting of the pivot arm 14 leads directly to a rotation of the C-shaped member 29 about the zapfenformige element 28.

Due to the rotation, the C-shaped element 29 engages behind the peg-shaped element 28 in the insertion direction E (arrow), that is, an end 37 of the C-shaped element 29 slides behind the rounded side 32 of the peg-shaped element 28. Thus, a linear displacement the pin-shaped element 28 with respect to the C-shaped member 29 in both the insertion direction E (arrow) and in the extension direction A (arrow) locked. The corresponding locking state of the peg-shaped element 28 and the C-shaped element 29 is shown in FIG. 18. This corresponds to the third position (see Fig. 13). Thus, a simultaneous displacement or displacement of the lower dish rack 10 is prevented during a pivoting between the second and third position. In particular, such an undesirable displacement of the lower dish rack 10 in the insertion direction E (arrow) is avoided during pivoting.

If the crockery basket 10 is displaced by means of the guide rail 12 from the second position (see FIG. 12) into the first position (see FIG. 11), then the C-shaped element 29 will move due to the spring force acting on it (direction of rotation D (arrow see Fig. 17) of the spring member 39 and the further displacement of the guide rail 12 unlocked. That is, the peg-shaped element 28, the guide rail 12 and the crockery basket 10 are released into the body 2 for further displacement (insertion direction E (arrow)).

Although the present invention has been described with reference to embodiments, it is variously modifiable. Thus, for example, it can also be realized in another type of household appliance, in particular in an oven or the like.

LIST OF REFERENCE NUMBERS

1 dishwasher; Domestic dishwasher

2 corpus; rinse tank

3 door

4 rinsing chamber

5 floor

6 ceiling

7 rear wall

8 side wall

9 side wall

10 loading level; lower crockery basket

1 1 guide device

12 guide rail

13 parallelogram linkage assembly

14 handlebar arm

15 handlebar arm

16 articulation point

17 articulation point

18 leadership section

19 tab

20 cones

21 opening

22 pivot axis

23 guide rail

24 track rail

25 basket section

26 locking piece

27 locking counterpart

28 peg-shaped element

29 C-shaped element

30 axis of rotation

31 Rounded page

32 flattened page; rounded page 33 insertion bevel

34 opening

35 interior

36 inside

37 end

38 control lever

39 spring element

A Drawing direction (arrow) D Rotation direction (arrow) E Insertion direction (arrow)

II view

III view

Vl-Vl section

Xl-Xl section

Claims

claims

Dishwasher (1), in particular domestic dishwasher, with a body (2), at least one loading level (10), at least one guide rail (12), along which the at least one loading plane (10) is linearly displaceable, at least one link arm (14) the at least one guide rail (12) pivotably on the body (2) holds, wherein the link arm (14) on the guide rail (12) about a pivot axis (22) is pivotally connected to a at the at least one loading level (10) arranged locking piece ( 26) and one on the link arm (14) arranged locking counterpart (27), wherein the locking piece (26) and the locking counterpart (27) in a release state thereof a linear displacement of the at least one loading level (10) along the at least one guide rail (12) release and in a blocking state of the same a linear displacement of the at least one loading level (10) along the at least one guide rail (12) lock, wherein d the locking piece (26) or the locking counterpart (27) for an adjustment thereof between the blocking state and the release state about an axis of rotation (30) in the other of the locking piece (26) or the locking counterpart (27) is rotatable, wherein the axis of rotation ( 30) is co-axial with the pivot axis (22) of the at least one link arm (14).

Dishwasher (1) according to claim 1, characterized in that the locking piece (26) and the locking counterpart (27) are adapted to be rotatable by means of linear displacement of the at least one loading level (10) along the at least one guide rail (12) arranged one inside the other ,

Dishwasher (1) according to claim 1 or 2, characterized in that the release state of an untwisted, lower position of the at least one loading level (10) and the locked state of an at least partially pivoted out of the lower position, the upper position of the at least one loading level (10). equivalent.

4. Dishwasher (1) according to one of claims 1 to 3, characterized in that the locking counterpart (27) is adapted for the blocking state, the locking piece (26) by rotating the locking counterpart (27) about the rotation axis (30) against a Pulling out direction (A), in which the at least one loading level (10) from the body (2) is displaced out behind, behind.

5. Dishwasher (1) according to one of claims 1 to 4, characterized in that the locking piece (26) or the locking counterpart (27) has an egg-shaped element (29) with a radial opening (34) and the other of the locking piece (26) or the locking object (27) by means of the radial opening (34) in the C-shaped member (29) radially insertable, pin-shaped element (28).

6. Dishwasher (1) according to claim 5, characterized in that the pin-shaped element (28) with at least one insertion bevel (33) for insertion thereof into the radial opening (34) of the C-shaped element (29) is formed.

7. Dishwasher (1) according to claim 6, characterized in that the peg-shaped element (28) is rounded on one side (31) and flattened on its other side (32) or rounded.

8. Dishwasher (1) according to one of claims 5 to 7, characterized in that the C-shaped element (29) on the at least one link arm (14) is arranged.

9. Dishwasher (1) according to one of claims 5 to 7, characterized in that the C-shaped element (29) is arranged on at least one control lever (XX).

10. Dishwasher (1) according to claim 9, characterized in that the control lever (38) in its region remote from the C-shaped element on the body (2) is rotatably arranged and by means of the C-shaped element (29) preferably guided touching or with the guide rail (12).

1 1. Dishwasher (1) according to one of claims 5 to 10, characterized in that the pin-shaped element (28) on the at least one loading level (10) is arranged.

12. Dishwasher (1) according to one of claims 1 to 1 1, characterized in that the at least one loading level (10) has at least one further guide rail (23) or rollers, by means of which they along the at least one guide rail (18) linearly displaceable is.

13. Dishwasher (1) according to one of claims 1 to 12, characterized in that the locking piece (26) or the locking counterpart (27) on the at least one further guide rail (23) or on a basket portion (25) of the at least one loading level ( 10) is arranged.

14. Dishwasher (1) according to one of claims 1 to 13, characterized in that the at least one guide rail (12) has a horizontal guide portion (18) for guiding the at least one loading level (10) and at least one upwardly directed tab (19). has, at which the at least one link arm (14) is articulated.

15. Dishwasher (1) according to one of claims 1 to 14, characterized in that the at least one link arm (14) is a parallel link on a parallel link arrangement (13), which at least one guide rail

(12) pivotally mounted in a horizontal position on the body (2).

16. Dishwasher (1) according to one of claims 1 to 15, characterized in that the at least one loading level (10) is a lower dish rack.