EP3065615B1 - Dishwasher - Google Patents

Description

The present invention relates to a dishwasher with a receiving area for receiving the loading level, with a guide device for guiding the loading level, wherein the guide means a first guide rail, which is associated with the receiving area, a second guide rail, which is associated with the loading level, and one between the first Guide rail and the second guide rail provided and displaceable relative to the first guide rail and the second guide rail middle guide rail and wherein the loading plane along the guide device either in the receiving area into or out of this herausverlagerbar, and with an attached to the guide device retraction arrangement for automatic Hineinverlagern the loading level in the receiving area, wherein the feed arrangement of an attached to the first guide rail activator element, the guide means and an a n the second guide rail fastened catchment device is formed, wherein the activating element attached to the first guide rail of the guide device is adapted to engage positively in an engaging portion of the retraction device, wherein the attached to the second guide rail retraction device comprises a spring element, which when dislocating the loading level of the Receiving area is prestressed, and wherein the activator element attached to the first guide rail of the guide device engages in displacing the loading level in a feed direction of the same in the engaging portion, whereby the retraction assembly is activated such that it automatically displaced the loading level along the first guide rail in the receiving area.

A dishwasher has a rinsing container and at least one loading level which can be displaced into or out of the rinsing container. The loading level can be, for example, a washware receptacle such as an upper basket, a lower basket or a cutlery drawer. The at least one loading level can be displaceable along a guide device provided in the washing container. The guide device may for example be a guide rail. The dishwasher may have a plurality of such loading levels.

The publication DE 10 2011 005 257 A1 discloses a dishwasher with a collection device for automatically pulling a Spülgutaufnahme in the washing. The collection device has a spring element and a damping element. The collection device is fixed or detachably mounted on a rear wall of the washing container. With the help of a snap hook, the feeder is operatively connected to the Spülgutaufnahme.

The publication DE 20 2004 005 322 U1 discloses an automatic retraction for drawer pull-out guides with a guide rail to be fastened to a cabinet wall of a piece of furniture and a sliding rail mounted relative to the guide rail, optionally with the intermediary of a middle rail, to be fastened to the drawer, being arranged in one of the two aforementioned outer rails Pawl housing is provided by a spring arrangement with an elongated coil spring bistable in two spaced in the drawer movement direction end positions movable pawl member having a receptacle for a provided on the other rail driver, which in the relative displacement of the rails when approaching the closed position in the recording retracts and unlocks the preloaded movable pawl member from the associated end position, causing it to move under the action of the spring tension in the other end position t is and takes over the driver held in the receptacle associated with this rail in the drawer-feed direction. The fixed at one end in the pawl housing elongated coil spring is initially arranged to extend substantially parallel to the direction of displacement of the running rail in the pawl housing and then guided around a deflecting device. The not fixed in the pawl housing end of the spring is then returned to the movable latch member and secured thereto.

The publication EP 2 538 144 A1 discloses a cooking appliance with at least one heatable cooking chamber, with at least one door closes the cooking chamber and at least one extract on which at least one carrier between at least one retracted and at least one extended position is movable, the extract at least one attached to the cooking space first rail and at least one second rail movably arranged relative to the first rail and at least having a self-closing device. The self-closing device comprises at least a first spring and at least one second spring whose force effects are aligned substantially opposite.

The publication DE 20 2006 006 188 U1 discloses a piece of furniture with at least one drawer movably held in a furniture body and / or a movable flap. It is a pneumatic or hydraulic drive provided and at least one ejection movement of the drawer or the flap can be reached with the pneumatic or hydraulic drive.

The publication DE 20 2008 008 541 U1 discloses a coupling device between two relatively movable rails of a furniture drawer slide with a self-closing device which is fixed to a first, fixed rail and having any power storage and connected to a second rail activator, which coupled over a certain displacement away with the self-closing device and after tensioning the force accumulator is separated from this, wherein in the disconnected state of the energy storage is fixed in the tensioned state until re-coupling with the activator relative to the first rail. The coupling device consists of a in a guide sleeve, which is fixed relative to the fixed rail, longitudinally displaceable and acted upon by the energy storage of Selbsteinzugseinrichtung clutch pot with a, against the action of an energy store, slidably mounted control piston and the activator, wherein the activator at least in its region opposite the control piston is cylindrical and adjacent to its free end has a circumferential groove into which engage at least two radial bores of the clutch pot latching balls when the spool so far by the activator and against the action of lying in the clutch pot force accumulator is shifted, that the detent balls, which are supported at nichtbetätigtem control piston on the lateral surface and bear against a support flank of the guide sleeve, are outside the support region of the control piston. The coupling device is also suitable for use in household appliances such as dishwashers, ovens, refrigerators or the like.

Against this background, an object of the present invention is to provide an improved dishwasher of the type mentioned.

Accordingly, a dishwasher of the aforementioned type is provided, in which the activator element attached to the first guide rail of the guide device can be snapped or clipped into the first guide rail of the guide device, wherein the activator element attached to the first guide rail of the guide device has a triangular geometry with a fastening section and with a perpendicular to the mounting portion arranged and pin-shaped activator portion and wherein the mounting portion of the activator has a snap hook, which is adapted to positively engage in a corresponding recess of the first guide rail of the guide device.

The retraction device is attached only to the guide device. The receiving area is in particular a washing container of a dishwasher. The loading level is preferably a Spülgutaufnahme such as an upper basket, a lower basket or a cutlery drawer of the dishwasher. Due to the fact that the draw-in device is fastened only to the guide device, assembly of the draw-in device directly on the washing container itself can be dispensed with. As a result, the intake device with the guide device can be used flexibly and easily mounted or replaced.

The spring element may for example be a helical or cylindrical spring. Furthermore, the spring element may be an elastomeric element. In particular, the spring element is biased against a feed direction of the loading level during manual shifting out. The loading plane is thus displaced out of the receiving area counter to a spring force of the spring element.

The engagement section preferably has two gripper arms that engage around the activator element in a form-fitting manner. The engagement portion is in particular coupled to the spring element and / or the damping element.

The activator element is, as already stated, on the first guide rail of the guide device and the retraction device is attached to the second guide rail of the guide device. As a result, a fastening of the intake device to the receiving area is dispensed with. This allows a flexible modular use of the intake device, which increases their field of application. In particular, the intake device is pre-mounted on the guide device.

The feeder assembly is preferably provided as a preassembled component and can be mounted so fast in or on the receiving area.

In particular, when moving the loading level in the intake device characterized in that the activator engages in the engaging portion, the spring element unlocked, and the loading level by means of a spring force of the spring device automatically hineinverlagert into the receiving area. In this case, the damping device preferably dampens the movement of the loading plane, as a result of which it is in particular drawn in uniformly and without jerking into the receiving area.

Preferably, the activator has an elastically deformable snap hook, which is adapted to engage positively in a corresponding recess of the guide rail. As a result, the activator can be mounted quickly and easily.

The attachment portion preferably has a snap hook and can be fastened to the guide rail. The activator section is arranged in particular at a tip of the triangular geometry. The activator section is adapted to engage positively in the engagement section of the retraction device.

According to one embodiment, the draw-in device has a damping element, which is set up to damp a movement of the loading plane when automatically shifting the loading plane into the receiving region.

As a result, a noise during retraction of the loading level is prevented in the receiving area. Furthermore, the loading level becomes uniform Speed moves. As a result, a uniform and smooth retraction of the loading level is always ensured in the receiving area.

According to a further embodiment, the activator element is a plastic injection-molded component.

As a result, the activator element can be inexpensively manufactured in large quantities.

According to a further embodiment, the receiving area is a rinsing container.

The washing container can be sealed watertight in particular by means of a door. Preferably, the receiving area is a washing container of the dishwasher.

According to a further embodiment, the loading level is a Spülgutaufnahme.

According to a further embodiment, the dishwasher has a plurality of items to be washed, wherein in each case one of the plurality of items to be washed is a lower rack, an upper rack or a cutlery drawer.

On each longitudinal side of each Spülgutaufnahme may preferably be provided on both sides of a feed arrangement. Alternatively, each loading level can be assigned only one intake arrangement. In this case, a feed arrangement is preferably provided on one longitudinal side of the respective loading plane and a guide device is provided on the other longitudinal side of the loading plane.

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 described below Invention. Furthermore, the invention will be explained in more detail by means of preferred embodiments with reference to the attached figures.

Fig. 1

eine schematische perspektivische Ansicht einer Ausführungsform einer Geschirrspülmaschine;

Fig. 2

eine schematische perspektivische Teilansicht gemäß der Fig. 1;

Fig. 3

eine schematische Schnittansicht einer Ausführungsform einer Einzugsanordnung für eine Geschirrspülmaschine gemäß der Fig. 1;

Fig. 4

eine schematische Schnittansicht der Geschirrspülmaschine gemäß der Fig. 1;

Fig. 5

eine schematische perspektivische Ansicht der Einzugsanordnung gemäß der Fig. 3;

Fig. 6

eine weitere schematische perspektivische Ansicht der Einzugsanordnung gemäß der Fig. 3;

Fig. 7

eine schematische Seitenansicht der Einzugsanordnung gemäß der Fig. 3;

Fig. 8

eine weitere schematische Seitenansicht der Einzugsanordnung gemäß der Fig. 3; und

Fig. 9

eine weitere schematische Seitenansicht der Einzugsanordnung gemäß der Fig. 3.

Show it

Fig. 1

a schematic perspective view of an embodiment of a dishwasher;

Fig. 2

a schematic perspective partial view according to the Fig. 1 ;

Fig. 3

a schematic sectional view of an embodiment of a feed arrangement for a dishwasher according to the Fig. 1 ;

Fig. 4

a schematic sectional view of the dishwasher according to the Fig. 1 ;

Fig. 5

a schematic perspective view of the intake assembly according to the Fig. 3 ;

Fig. 6

a further schematic perspective view of the intake assembly according to the Fig. 3 ;

Fig. 7

a schematic side view of the intake assembly according to the Fig. 3 ;

Fig. 8

a further schematic side view of the intake assembly according to the Fig. 3 ; and

Fig. 9

a further schematic side view of the intake assembly according to the Fig. 3 ,

In the figures, the same or functionally identical elements have been given the same reference numerals, unless stated otherwise.

The Fig. 1 shows a schematic perspective view of a dishwasher 1. The dishwasher 1 has a receiving area 2, which is closed by a door 3, in particular waterproof. The receiving area 2 is preferably a rinsing container of the dishwasher 1. The receiving area 2 and the door 3 can form a rinsing chamber 4 for rinsing items to be washed. The receiving area 2 can be arranged in the interior of a housing of the dishwasher 1. The door 3 is in the Fig. 1 shown in their open position. By pivoting about a provided at the lower end of the door 3 pivot axis, the door 3 can be closed or opened.

The receiving area 2 has a bottom 5, a ceiling 6, a rear wall 7 and two mutually opposite side walls 8, 9. The dishwasher 1 also has at least one loading level 10. The loading level 10 is selectively displaceable into or out of the receiving area 2. 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 plurality of loading levels 10 is a lower basket, an upper basket or a cutlery drawer of the dishwasher 1. The plurality of loading planes 10 are preferably arranged one above the other in the receiving area 2. The loading plane 10 is preferably displaceable into or out of the receiving area 2 with the aid of a guide device 11.

The Fig. 2 shows a schematic perspective view of a detailed view of the dishwasher 1 according to the Fig. 1 , The dishwashing machine 1 further comprises a retraction device 12 for automatically shifting the loading plane 10 into the receiving region 2. The retraction device 12 is set up to displace the loading plane 10 automatically in a feed direction E (arrow) into the receiving region 2 ( Fig. 1 ). The guide device 11 has in particular a first guide rail 13, which is assigned to the receiving area 2. In particular, the first guide rail 13 is fixedly connected to one of the side walls 8, 9 of the receiving region 2, in particular welded, riveted or screwed. Preferably, guide devices 11 arranged opposite one another are provided on both side walls 8, 9. Each loading level 10 are preferably associated with two guide devices 11.

The guide device 11 further has a second guide rail 14 which is associated with the loading level 10. The second guide rail 14 may be connected to the loading plane 10, for example. In particular, the loading level 10 can be screwed or clipped to the second guide rail 14. The retraction device 12 is configured to displace the second guide rail 14 automatically along the first guide rail 13.

The Fig. 3 shows in a schematic sectional view of the guide device 11 with the guide rails 13, 14 and the retraction device 12. The guide device 11th also has a middle guide rail 15 arranged between the first and second guide rails 13, 14. The middle guide rail 15 is displaceable relative to the guide rails 13, 14.

As the Fig. 4 shows, the retraction device 12, a spring element 16 which is biased against the feed direction E (arrow) from the receiving area 2 when shifting out of the loading level 10. Further, the retraction device 12 has a damping element 17 which is adapted to damp a movement of the loading level 2 in the automatic insertion of the loading level 10 in the feed direction E (arrow) in the receiving area 2 into it.

As the Fig. 5 and 6 show in perspective schematic views, a retraction assembly 18, the guide device 11, the retraction device 12 and an activator element 19. The retraction device 12 may further comprise the activator element 19. Each loading plane 10 is preferably assigned two intake arrangements 18. Alternatively, each loading level 10 may be associated with only one intake assembly 18. In this case, a feed arrangement 18 is provided on one longitudinal side of the respective loading plane 10 and a guide device 11 is provided on the other longitudinal side of the loading plane 10.

The intake device 12 is connected by means of a fastening portion 20 with the second guide rail 14 of the guide device 11. The attachment portion 20 is preferably plate-shaped and can be screwed, riveted or clipped to the guide rail 14. The attachment portion 20 may have snap hooks which engage positively in corresponding recesses 21 of the guide rail 14. The guide rail 14 may have a plurality of recesses 21, of which in the Fig. 6 however, only one is provided with a reference numeral.

The activator element 19 is connected to the first guide rail 13. The activator element 19 is in particular a plastic injection-molded part. Preferably, the activator element 19 is snapped or clipped into the first guide rail 13. For this purpose, the activator element has a triangular geometry with a fastening section 22. The attachment portion 22 may be a snap hook 23, which is adapted to positively engage in a corresponding recess 24 of the first guide rail 13. The guide rail 13 may have a plurality of recesses 24, of which in the Fig. 5 however, only one is provided with a reference numeral. Furthermore, the activator element 19 has a pin-shaped activator section 25. The activator section 25 is located at a tip of the triangular geometry of the activator element 19. With a support section 26, the activator element 19 rests on an upper side 27 of the first guide rail 13. In an alternative embodiment of the draw-in arrangement 18, the draw-in device 12 may be fastened to the first guide rail 13 and the activator element 19 to the second guide rail 14. The collection device 12 is thus not directly attached to the receiving area 2.

The guide device 12 has an engagement portion 28 which is operatively connected to the spring element 16 and the damping element 17. The activator element 19, in particular the activator section 25, is designed to engage positively in the engagement section 28.

The operation of the intake assembly 18 is based on the Fig. 7 to 9 explained. The Fig. 7 to 9 each show schematic side views of the retractable assembly 18. Die Fig. 7 shows the intake assembly 18 in a state in which the loading level 10 is moved out of the receiving area 2 of the dishwasher 1. The engagement portion 28 of the retraction device 12 is located in an end position of a provided on a housing 29 of the retractor 12 groove 30. The engagement portion 28 is movable along the groove 30. The groove 30 has an arcuate geometry at an end portion 31. In the in the Fig. 7 shown end position of the engaging portion 28 is disposed in the curved end portion 31 of the groove 30 and out of engagement with the Aktivatorabschnitt 25. When moving the loading level 10 in the feed direction E (arrow) in the receiving area 2 of the dishwasher into the activator section 25 of Aktivatorelements 19 to the engaging portion 28 of the intake device 12 at.

The Fig. 8 shows the collection assembly 18 in a state in which the activator portion 25 just engages the engagement portion 28. The engaging portion 28 has for this purpose two opposing gripping arms 32, 33, the laterally on both sides of the Encompass activator section 25. Like in the Fig. 8 shown, moves in a displacement of the loading level 10 in the receiving area 2 in the feed direction E (arrow), the activator element 25 against the first gripping arm 32 of the engagement portion 28. As a result, the prestressed spring element 16, the 10 opposite to the feed direction E (Fig. Arrow) is unlocked, unlocked. The engagement portion 28 moves automatically along the groove 30 in the feed direction E (arrow) and takes the activator 19, which is fixedly connected to the guide rail 13, with. Here, the loading level 10 moves automatically in the feed direction E (arrow) in the receiving area 2 of the dishwasher 1 into it.

The Fig. 9 shows the collection assembly 18 in an end position. Here, the engagement portion 28 in the feed direction E (arrow) to a second end portion 34 of the groove 30 is moved. When moving the loading level 10 in the in the Fig. 9 shown end position attenuates the damping element 17, the movement of the loading level 10. This ensures a smooth and smooth retraction of the loading level 10 in the receiving area 2.

Although the present invention has been described with reference to embodiments, it is variously modifiable.

Used reference signs

1

dishwasher

2

Reception area; rinse tank

3

door

4

rinsing chamber

5

ground

6

ceiling

7

rear wall

8th

Side wall

9

Side wall

10

Load level; Spülgutaufnahme

11

guide means

12

Retractable device

13

guide rail

14

guide rail

15

guide rail

16

spring element

17

damping element

18

feeder arrangement

19

activator

20

attachment section

21

recess

22

attachment section

23

snap hooks

24

recess

25

Aktivatorabschnitt

26

bearing section

27

top

28

engaging portion

29

casing

30

groove

31

end

32

claw arm

33

claw arm

34

end

e

Feed direction (arrow)

Claims (6)

1. Dishwasher (1) with a loading level (10), a receiving area (2) for receiving the loading level (10), a guide device (11) for guiding the loading level (10), wherein the guide device (11) comprises a first guide rail (13), which is assigned to the receiving area (2), a second guide rail (14), which is assigned to the loading level (10), and a middle guide rail (15) provided between the first guide rail (13) and the second guide rail (14) and displaceable relative to the first guide rail (13) and the second guide rail (14), and wherein the loading level (10) can be selectively displaced along the guide device (11) either into or out of the receiving area (2) and with a retraction arrangement (18) secured to the guide device (11) for automatically displacing the loading level (10) into the receiving area (2),

   - wherein the retraction device (18) is formed of an activator element (19) secured to the first guide rail (13), the guide device (11) and a retraction device (12) secured to the second guide rail (14),

   - wherein the activator element (19) secured to the first guide rail (13) of the guide device (11) is designed to engage in a form-fit manner in an engagement section (28) of the retraction device (12),

   - wherein the retraction device (12) secured to the second guide rail (14) has a spring element (16) which can be prestressed when the loading level (10) is displaced out of the receiving area (2) and

   - wherein the activator element (19) secured to the first guide rail (13) of the guide device (11) engages into an engagement section (28) of the retraction device (12) when the loading level (10) is displaced in a retraction direction (E) of the same, as a result of which the retraction arrangement (18) can be activated such that this automatically displaces the loading level (10) along the guide rail (13) into the receiving area (2),
   characterised in that

   - the activator element (19) secured to the first guide rail (13) of the guide device (11) can be snapped or clipped into the first guide rail (13) of the guide device (11),

   - the activator element (19) secured to the first guide rail (13) of the guide device (11) has a triangular geometry with a securing section (22) and a pin-type activator section (25), which is designed to engage in a form-fit manner into the engagement section (28) and

   - the securing section (22) of the activator element (19) has a snap-fit hook (23), which is designed to engage in a form-fit manner into a corresponding recess of the first guide rail (13) of the guide device (11).
2. Dishwasher (1) according to claim 1, characterised in that the retraction device (12) has a damping element (17), which is configured to dampen a movement of the loading level (10) while automatically displacing the loading level (10) into the receiving area (2).
3. Dishwasher (1) according to one of claims 1 or 2, characterised in that the activator element (19) is a plastic injection moulded part.
4. Dishwasher (1) according to claim 1, 2, or 3, characterised in that the receiving area (2) is a dishwasher cavity.
5. Dishwasher (1) according to one of the preceding claims, characterised in that the loading level (10) is a receptacle for items to be washed.
6. Dishwasher (1) according to claim 5, characterised by a number of receptacles for items to be washed, wherein each one of the number of receptacles for items to be washed is a bottom basket, a top basket or a cutlery drawer.

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