DE102015218602A1 - Domestic dishwasher - Google Patents

Abstract

The invention relates to a domestic dishwasher (1), comprising a body (2), at least one Spülgutaufnahme (10), wherein the at least one Spülgutaufnahme (10) in a first position below and within the body (2) and in a second position below and at least partially disposed outside the body (2), and a lifting device (14) for moving the Spülgutaufnahme (10) between the second and a third position thereof, wherein the at least one Spülgutaufnahme (10) in the third position above and at least partially is arranged outside the body (2), wherein the lifting device (14) moves the Spülgutaufnahme (10) between the second and the third position thereof along an elliptical guide track (39).

Description

The present invention relates to a domestic dishwasher.

The loading and unloading of a lower basket of a dishwasher is often found by users to be uncomfortable, as this requires working in a diffracted mount. 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.

For example, the publications describe DE 20 2009 004 771 U1 and DE 10 2012 017 993 A1 in each case a sliding / pivot mechanism set up for this purpose. This comprises a tray, 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.

In general, in such sliding / pivoting mechanisms, the problem is that the center of gravity of the lower basket is pivoted so far in front of the body that the entire dishwasher tilts forward. Some attempts are made to work around this problem by not providing a full extract to the subcage. However, this again results in ergonomic disadvantages when loading and unloading the lower basket.

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

Accordingly, a domestic dishwasher with a body, at least one Spülgutaufnahme, wherein the at least one Spülgutaufnahme in a first position below and within the body and in a second position below and at least partially outside of the body is arranged, and a lifting device for moving the Spülgutaufnahme between the second and a third position of the same, wherein the at least one Spülgutaufnahme in the third position above and at least partially disposed outside of the body and the lifting device moves the Spülgutaufnahme between the second and the third position thereof along an elliptical guide track.

The elliptical guideway allows the Spülgutaufnahme can be raised from the second to the third position, with a collision with a possibly above the Spülgutaufnahme arranged further Spülgutaufnahme can be avoided. Furthermore, the Spülgutaufnahme can be performed so close enough to the body that tilting of the dishwasher is prevented.

The body may in particular comprise a rinsing chamber. The lifting device may be attached to the washing chamber, in particular to a fitting thereof.

The Spülgutaufnahme may generally be a filing or recording especially for crockery or cutlery. The Spülgutaufnahme is preferably a dish rack or a cutlery drawer. Particularly preferably, the at least one Spülgutaufnahme a lower dish rack.

"Bottom" and "top" is to be understood in the present case that the third position of the Spülgutaufnahme is provided above the first and second positions of the Spülgutaufnahme. Preferably, the Spülgutaufnahme can be completely pulled out of the body in the second position ("full extension").

According to one embodiment, the lifting device has a lifting mechanism with a first and a second lifting wheel.

As a result, the lifting device can be made compact. The first and / or the second lifting wheel preferably has a ring shape.

According to a further embodiment, the first and the second lifting wheel are arranged in parallel planes.

In particular, the first and the second lifting wheel can be arranged one behind the other in parallel planes so that their surfaces are superimposed. In the plan view, that is seen in the direction of the respective axes of rotation of the lifting wheels, in particular the first lifting wheel can be located entirely within the second lifting wheel. This allows a compact design of the lifting device.

According to a further embodiment, the first and / or the second lifter wheel by means of a lifting arm on at least one guide rail, along which the at least one Spülgutaufnahme between the first and the second position thereof is linearly displaceable, in a first articulation point.

In particular, the guide rail can enable a simple removal and relocation of the at least one washware receptacle. Furthermore, the first point of articulation may be at an in Depth direction front end of the guide rail lie. In particular, the first articulation point can be arranged in the first position on a door-side end of the guide rail.

According to a further embodiment, the radius of the first lifting wheel is smaller than the radius of the second lifting wheel.

As a result, the lifting device can be made even more compact.

According to a further embodiment, a connecting line between a pivot point of the first lifting wheel and a pivot point of the second lifting wheel extends parallel to the at least one guide rail.

According to a further embodiment, the at least one guide rail is articulated in a second articulation point directly on the second lifting wheel.

Preferably, the second articulation point can be arranged centrally in the depth direction on the guide rail. Due to the second articulation point, a stable guidance of the at least one washware receptacle can be ensured when moving into the third position.

According to a further embodiment, the second articulation point is connected via a web to the pivot point of the second lifting wheel, wherein the web is coupled by means of a coupling device with the lifting arm.

For example, the coupling device can be coupled by means of a coupling element, which is arranged on the web, and a link guide, which is arranged on the lifting arm. In particular, a connection between the two lifting wheels can be achieved via the coupling.

According to a further embodiment, the domestic dishwasher has a circular segment-shaped bearing element which guides the second lifting wheel, wherein the bearing element forms a stop surface for the web.

In particular, the circular segment-shaped bearing element can serve as a support for the second lifter and be adapted to receive a force which is exerted by the movement of the at least one Spülgutaufnahme from the second position to the third position on the second lifter.

According to a further embodiment, the domestic dishwasher has a drive unit which drives the first and / or second lift wheel.

The drive unit may be, for example, an electric motor. Preferably, the smaller of the two lifting wheels is driven. As a result, in particular a better translation of a force of the drive unit can be made possible on the lifting device.

According to a further embodiment, the drive unit is arranged within the first and / or second lift wheel.

As a result, in particular a more compact design of the lifting device can be made possible. Preferably, the drive unit is arranged within the lift wheel, which drives it.

According to a further embodiment, the domestic dishwasher has a sensor which is set up to detect a position of the at least one washware receptacle, and a control device which is set up to control the drive unit as a function of the position detected by the sensor.

In particular, the sensor can detect whether the at least one washware receptacle is completely pulled out of the body of the dishwasher. This makes it possible that the user of the household dishwasher can convey that an increase in at least one Spülgutaufnahme is desired. In particular, a request to lift the user by pulling on the at least one Spülgutaufnahme be transmitted. The sensor may then detect, for example, the force gain caused by the pulling. Additionally and / or alternatively, a switch can be provided on the domestic dishwasher, which, when actuated by the user, causes the control device to control the drive unit.

According to another embodiment, a rinsing chamber is disposed in the body, wherein the rinsing chamber is formed in a width direction of the household dishwasher by a first and a second side wall, wherein the first and / or the second side wall is formed of an inner and an outer wall, wherein the inner and outer walls are spaced apart in the width direction, and the lifting device is at least partially disposed between the inner and outer walls.

This has the particular advantage that the lifting device can be arranged protected behind the inner wall.

According to a further embodiment, the inner wall of the first and / or second side wall has a slot in which engages an element mounted on the lifting device.

In particular, can be made possible by the attached to the side wall slot a smoother guiding the at least one Spülgutaufnahme.

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.

1 shows a schematic perspective view of an embodiment of a household dishwasher;

2 shows schematic perspective view of the household dishwasher;

3 shows an exploded view of an embodiment of a lifting device;

4 to 8th show a side view of the lifting device and a movement of a Spülgutaufnahme.

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

The 1 shows a schematic perspective view of a household dishwasher 1 , The household dishwasher 1 has a body 2 up, through a door 3 is watertight closable.

The body 2 is preferably cuboid. In particular, the body is 2 made of a sheet steel. Alternatively, the body can 2 be at least partially made of a plastic material. The body 2 and the door 3 can a rinsing chamber 4 form for rinsing dishes. The body 2 Can inside a housing of the household dishwasher 1 be arranged. The door 3 is in 1 shown in their open position. By pivoting around one at a lower end of the door 3 provided pivot axis can the door 3 closed or opened.

The body 2 has a floor 5 one to the ground 5 opposite arranged ceiling 6 , one of the door 3 opposite rear wall 7 and two side walls arranged opposite each other 8th . 9 on. The floor 5 , the ceiling 6 , the back wall 7 and the side walls 8th . 9 can be made for example of a stainless steel sheet.

The household dishwasher 1 also has at least one Spülgutaufnahme 10 on. In particular, several Spülgutaufnahmen 10 be provided, in each case one of the several Spülgutaufnahmen 10 a lower basket or upper basket of the household dishwasher 1 is. The several Spülgutaufnahmen 10 are preferably one above the other in the body 2 arranged. In particular, each Spülgutaufnahme 10 a leadership facility 11 assigned. With the help of the guide device 11 is the respective Spülgutaufnahme 10 in the body 2 in (insertion direction E) or out of this displaced. In particular, the Spülgutaufnahme 10 between a first position ( 4 ), in which they are below and inside the body 2 is placed in a second position ( 5 ), in which they are at the bottom and at least partially outside the body 2 is arranged, relocatable.

2 shows an interior perspective view of the household dishwasher 1 , The side walls 8th . 9 in particular have an inner wall 12 and an outer wall 13 on, the side walls 8th . 9 the rinsing chamber 4 form. Between the inner wall 12 and the outer wall 13 is a lifting device 14 arranged, which is a Spülgutaufnahme 10 of the household dishwasher 1 emotional. The lifting device 14 in particular, the Spülgutaufnahme 10 from the second position to a third position ( 7 ), in which they are above and at least partially outside the body 2 is arranged.

The washware holder 10 is in particular in a leadership device 11 arranged a frame 15 which is attached to a guide rail 19 ( 3 ) is attached. The guide rail 19 is on a lift arm 16 the lifting device 14 hinged. Further, in the inner wall 12 a slot 17 provided in the one at the lifting device 14 engaged element engages.

Furthermore, the household dishwasher includes 1 a control device 38 that is a drive unit 34 ( 3 ) depending on the sensor 21 detected position of the Spülgutaufnahme 10 controls.

The 3 shows an exploded view of the lifting device 14 and with the lifting device 14 associated management device 11 , The lifting mechanism 14 is via a lift arm 16 with the guide device 11 the Spülgutaufnahme 10 connected. The management device 11 has a first guide rail 19 and a second guide rail 20 on. At the second guide rail 20 is the frame 15 fixed in which the Spülgutaufnahme 10 can be included. The first guide rail 19 and the second guide rail 20 are interconnected so that the second guide rail 20 at the first guide rail 19 can slide along, leaving the washware receptacle 10 completely out of the body 2 can be relocated out.

Preferred is a sensor 21 at the management facility 11 attached, in particular a position of the Spülgutaufnahme 10 or a position of the guide rail 19 . 20 Alternatively, the sensor can 21 also be set up, a power boost to the Spülgutaufnahme 10 to detect. The power boost can be, for example, by a user pulling on the Spülgutaufnahme 10 respectively. Additionally and / or alternatively, a switch on the household dishwasher 1 be provided, which, when actuated by the user, the control device 38 causes a drive unit 34 ( 3 ) to control.

At a front end 22 the first guide rail 19 is a first point of articulation 23 where the lifting arm 16 with a first end 18 at the first guide rail 19 is articulated. The connection between the lifting arm 16 and the first guide rail 19 can for example via an axis element 24 at the first guide rail 19 is arranged, and a warehouse 25 on the lifting arm 16 is arranged to be formed.

The lifting device 14 includes a first lifter 27 and a second lift bike 28 , The lifting arm 16 is at its second end 18 ' with the lifter 27 connected. Furthermore, the first guide rail 19 at a second point of articulation 26 with the second lifter 28 connected.

The second lifter 28 has a footbridge 29 on, the second pivot point 26 with a pivot 30 of the second lifter 28 combines. The jetty 29 is also via a coupling element 31 with a long hole 32 on the lifting arm 16 is arranged, coupled. About the coupling of the lifting arm 16 with the jetty 29 In particular, a coupling between the first lifting wheel 27 and the second lifter 28 reached.

Furthermore, a circular segment-shaped bearing element 33 in the second lifter 28 arranged. The bearing element 33 forms a warehouse for the lifter 28 around which the lift wheel 28 can be turned. Furthermore, it serves to receive a force on the lifting device 14 acting force.

Furthermore, the lifting device comprises 14 a drive unit 34 in the first lifter 27 is arranged. The drive device can, for example via a clutch, the first lifting wheel 27 drive. The drive unit is preferred 34 an electric motor.

In an alternative embodiment, the lifting arm 16 also on the outside of the second lifter 28 that is the rinsing chamber 4 turned away, be arranged with appropriate design adjustments. The two guide rails 19 . 20 are still inside of the second lifter 28 that is the rinsing chamber 4 facing, arranged and, as already described, the first guide rail 19 continue at a second point of articulation 26 with the second lifter 28 connected. The lifting arm 16 and the two guide rails 19 . 20 are thus mutually the second lifter 28 arranged.

The 4 to 7 show schematically a movement of the Spülgutaufnahme 10 from a first position to a third position.

In the 4 is the Spülgutaufnahme 10 in a first position in the household dishwasher 1 , In the first position is the Spülgutaufnahme 10 completely in the rinsing chamber 4 of the household dishwasher 1 added. For loading, the Spülgutaufnahme 10 be pulled out.

This is in 5 shown. If the user only requires a simple loading, the Spülgutaufnahme 10 in the in the 5 are shown loaded position and then back in the insertion direction E in the washing chamber 4 be relocated back. This is a lifting device 14 not activated.

Is the Spülgutaufnahme 10 further displaced out until a second position of the Spülgutaufnahme 10 is achieved, the drive unit 34 the lifting device 14 activated. The drive unit 34 drives the first lifter 27 , thereby making the lifter 27 around his fulcrum 35 along the arrow 36 rotates. In particular, the pivot point 30 of the second lifter 28 and the fulcrum 35 of the first lifter 27 on a connecting line 40 parallel to the first and second guide rails 19 . 20 runs.

About the coupling between the lifting arm 16 and the jetty 29 becomes the rotation of the first lifter 27 on the second lifter 28 transfer. This is by means of the arrow 37 shown. By the movement of the first and second lifter 27 . 28 is the Spülgutaufnahme 10 raised. The drive unit 34 moves the first lifter 27 until the washware intake 10 has reached a third position. This is in 7 shown.

8th shows a side view of the lifting device 14 , A collision with a possibly above the Spülgutaufnahme 10 arranged further Spülgutaufnahme 10 to avoid and the Spülgutaufnahme 10 close to the corpus 2 to lead, is the Spülgutaufnahme 10 on an elliptical guideway 39 guided.

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

LIST OF REFERENCE NUMBERS

1

 Domestic dishwasher

2

 corpus

3

 door

4

 rinsing chamber

5

 ground

6

 blanket

7

 rear wall

8th

 page

9

 page

10

 Spülgutaufnahme

11

 guide means

12

 wall

13

 wall

14

 lifter

15

 frame

16

 lifting arm

17

 slot

18

 The End

18 '

 The End

19

 guide rail

20

 guide rail

21

 sensor

22

 Front end

23

 First articulation point

24

 axis element

25

 camp

26

 Second articulation point

27

 First lifter

28

 Second lifter

29

 web

30

 pivot point

31

 coupling element

32

 Long hole

33

 bearing element

34

 drive unit

35

 pivot point

36

 arrow

37

 arrow

38

 control device

39

 guideway

40

 connecting line

e

 insertion direction

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 202009004771 U1 [0003]
• DE 102012017933 A1 [0003]

Claims (14)

Household dishwasher ( 1 ), with a body ( 2 ), at least one Spülgutaufnahme ( 10 ), wherein the at least one Spülgutaufnahme ( 10 ) in a first position below and within the body ( 2 ) and in a second position below and at least partially outside the body ( 2 ) is arranged, and a lifting device ( 14 ) for moving the Spülgutaufnahme ( 10 ) between the second and a third position thereof, wherein the at least one Spülgutaufnahme ( 10 ) in the third position above and at least partially outside the body ( 2 ), wherein the lifting device ( 14 ) the Spülgutaufnahme ( 10 ) between the second and the third position thereof along an elliptical guideway ( 39 ) emotional. Household dishwasher ( 1 ) according to claim 1, characterized in that the lifting device ( 14 ) a lifting mechanism with a first and a second lifting wheel ( 27 . 28 ) having. Household dishwasher ( 1 ) according to claim 2, characterized in that the first and the second lifting wheel ( 27 . 28 ) are arranged in parallel planes. Household dishwasher ( 1 ) according to claim 2 or 3, characterized in that the first and / or the second lifting wheel ( 27 . 28 ) by means of a lifting arm ( 16 ) on at least one guide rail ( 19 . 20 ), along which the at least one Spülgutaufnahme ( 10 ) is linearly displaceable between the first and the second position thereof, in a first point of articulation ( 23 ) is articulated. Household dishwasher ( 1 ) according to one of claims 2 to 4, characterized in that the radius of the first lifting wheel ( 27 ) smaller than the radius of the second lifter wheel ( 28 ). Household dishwasher ( 1 ) according to claim 4 or 5, characterized in that a connecting line ( 40 ) between a pivot point ( 35 ) of the first lift wheel ( 27 ) and a pivot point ( 30 ) of the second lift wheel ( 28 ) parallel to the at least one guide rail ( 19 . 20 ) runs. Household dishwasher ( 1 ) according to one of claims 4 to 6, characterized in that the at least one guide rail ( 19 . 20 ) in a second articulation point ( 26 ) directly on the second lifting wheel ( 28 ) is articulated. Household dishwasher ( 1 ) according to claim 7, characterized in that the second pivot point ( 26 ) over a bridge ( 29 ) with the fulcrum ( 30 ) of the second lift wheel ( 28 ), the web ( 29 ) by means of a coupling device ( 31 . 32 ) with the lifting arm ( 16 ) is coupled. Household dishwasher ( 1 ) according to claim 7 or 8, characterized by a circular segment-shaped bearing element ( 33 ), which is the second lift wheel ( 28 ), wherein the bearing element ( 33 ) a stop surface for the web ( 29 ). Household dishwasher ( 1 ) according to one of claims 1 to 9, characterized by a drive unit ( 34 ), which the first and / or second lift wheel ( 27 . 28 ) drives. Domestic dishwashing machine according to claim 10, characterized in that the drive unit ( 34 ) within the first and / or second lifting wheel ( 27 . 28 ) is arranged. Household dishwasher ( 1 ) according to one of claims 1 to 11, characterized by a sensor ( 21 ), which is adapted to a position of at least one Spülgutaufnahme ( 10 ) and by a control device ( 38 ), which is adapted to the drive unit ( 34 ) as a function of the sensor ( 21 ) to control the detected position. Household dishwasher ( 1 ) according to one of claims 1 to 12, characterized in that a rinsing chamber ( 4 ) in the body ( 2 ), wherein the rinsing chamber ( 4 ) in a width direction of the household dishwasher ( 1 ) by a first and a second side wall ( 8th . 9 ) is formed, wherein the first and / or the second side wall ( 8th . 9 ) from an inner ( 12 ) and an outer wall ( 13 ), wherein the inner ( 12 ) and the outer wall ( 13 ) are spaced apart in the width direction, and the lifting device ( 14 ) at least partially between the inner ( 12 ) and the outer wall ( 13 ) is arranged. Household dishwasher ( 1 ) according to claim 13, characterized in that the inner wall ( 12 ) of the first and / or second side wall ( 8th . 9 ) a slot ( 17 ), in which a on the lifting device ( 14 ) engages attached link element.

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