EP2995237B1 - Domestic appliance - Google Patents

Description

The present invention relates to a domestic appliance, in particular a dishwasher, with an automatic door opening function.

In order to improve the drying performance of dishwashers, automatic door opening may be initiated at the end of a wash program to allow steam to escape from inside the dishwasher.

The DE 10 2012 211 254 A1 describes this purpose an actuator that extends a working element that presses against the locking hook of the door lock. As a result, the door lock is unlocked and the door takes a partial opening position due to its own weight.

In the EP 2 568 864 B1 extends an actuator via a mechanical device from a working element that presses against the door and this opens a little way. Furthermore, the automatic door opening function is continuously being developed.

As actuators so-called thermal actuators are of particular interest for such applications from a cost point of view. A thermoactuator is an actuator in which there is a movement in response to a change in temperature. The movement includes, for example, the movement of a work item. Such a thermo-actuator is used for example in the DE 10 2012 203 484 A1 used in a household appliance to open or unlock the door. The heating of a thermoactuator takes place actively by Joule heat, while cooling by passive cooling by cooling. Accordingly, a thermal actuator can expand virtually instantaneously, but contract only gradually. The return movement of the working element to its starting position can take several seconds to a few minutes. As a result, when operating an automatic door opener operated by means of a thermo-actuator, the working element remains temporarily extended and impedes closing of the door. However, if, for example, a child safety lock the door, threatens at the point where the working element transmits its force to the door, ie on an inner surface of the door or on the door lock, a mechanical overload.

In the above mentioned DE 10 2012 203 484 A1 a multi-piece mechanical device ensures that manual closing or locking of the door is possible regardless of whether or not the work element is extended. Against this background, an object of the present invention is to provide an improved household appliance, which in particular has a more easily implemented automatic door opening function.

Accordingly, a domestic appliance, in particular a dishwasher, proposed with a door and an actuator, which has a working element which is adapted to be adjusted in a working direction between a retracted and an extended position for opening or unlocking the door, wherein the Actuator for a deflection of the working element from the working direction in its extended position in a closing or locking the door or for a deflection of the working element from the working direction at an adjustment of the same from its retracted in its extended position with the door closed or locked transversely to the working direction a pivot axis is pivotable.

For automatic opening and unlocking of the door, a cost-effective thermoactuator is preferably used.

The actuator can be pivoted between a working position, in which the working element is aligned along the working direction, and a deflecting position, in which the working element is pivoted out of the working direction.

A simple pivoting mechanism ensures that the thermal actuator and its working element, when the working element encounters an excessive mechanical resistance during extension or in its extended position, can escape the resistance and be pivoted.

Furthermore, the said pivot mechanism allows a manual closing of the door even during an automatic opening operation or when an extended working element. Manual, the automatic opening process or the extended working element counteracting operations are thus possible, which increases the user acceptance, avoids mechanical overloads and possibly occurring Damage to the household appliance prevented. In particular, the door remains in the closed position after a manual closing.

Even with non-openable door, e.g. When a child safety device is actuated, an extending or extended working element can escape the mechanical resistance which occurs and pivot it sideways transversely to the working direction. As a result, mechanical overloads are avoided and possible damage to the household appliance is prevented.

Actuators or actuators convert electrical signals into physical quantities. For example, these may be forces that cause mechanical movements. Working elements are used for power transmission machine elements. Swivel axes limit the freedom of movement of the elements to be pivoted on a solder plane of the pivot axis.

In the present case, a distinction is made between opening / closing and unlocking / locking as follows: opening / closing means a movement of the door to release (open) or close (close) access to a room behind the door. Unlocking / locking the door means an operation of a locking element which releases an opening of the door (unlocking - also referred to as unlocking here) or such an opening locks (locking). The opening and unlocking can also take place simultaneously, just as the closing and locking can take place simultaneously. This is the case, for example, with a door lock in which the unlocking of the door with an opening thereof and / or the locking of the door associated with a closing thereof.

The body of the household appliance is its supporting housing, which provides in the case of a dishwasher the space for receiving a washing container.

According to one embodiment, the actuator is pivoted directly or indirectly on a body of the household appliance about the pivot axis. "Direct" is understood to mean the direct articulation of the actuator without interposed element on the body. Accordingly, the "indirect" linkage comprises the interposition of at least one element between the actuator and the body.

The pivotable linkage results primarily in a simple and maintenance-free swivel mechanism.

According to a further embodiment, the actuator has a holder, which is articulated pivotably about the pivot axis.

The bracket can provide the actuator with protection against contamination, mechanical impact and injury. Above all, it also serves to absorb forces acting on the actuator. Depending on the starting point and direction of the forces acting on these are transferred to the body of the household appliance and / or translated into moments that can lead to the pivoting of the actuator and its holder from its working position in the evasive position. The holder can be designed to be open and be constructed, for example, of a plurality of webs. Alternatively, a closed housing can serve as a holder.

According to a further embodiment, the holder has a guide for the working element which is adapted to transmit forces acting transversely on the working element to the holder.

The provided in the holder of the actuator guide for the working element in particular ensures that the forces released by the actuator are transmitted via the working element along the direction defined by the pivot axis and guide. Forces acting on the working element transversely to this direction are transmitted to the holder of the actuator, in particular with the aid of the guide, and act as a torque with respect to the pivot axis as a result of the articulation, as a result of which the holder moves with its actuator about the pivot axis. Preferably, the linkage is realized as part of the holder.

According to a further embodiment, a stop is adapted to determine the working direction of the working element.

The stopper is in particular so attached to the body of the household appliance, that he the freedom of movement of the holder of the actuator - and thus that of the actuator - in limited a first direction of rotation of the actuator. The position at which the stop is mounted on the body of the household appliance, together with the pivot axis defines the working direction of the working element - and thus of the actuator - in a solder plane of the pivot axis. The stop may be a separate component, or possibly also be provided by a projection on the body of the household appliance.

According to a further embodiment, the actuator is to pivot between a working position, in which the working element is aligned along the working direction, and a deflecting position, in which the working element is pivoted out of the working direction. A return spring is adapted to pivot the actuator back into the working position.

The return spring is preferably mounted on the body of the household appliance that it restricts the freedom of movement of the holder of the actuator in a second direction of rotation of the actuator. The position at which the return spring is mounted on the body of the household appliance, together with the pivot axis defines the maximum deflection of the working element - and thus of the actuator - in a solder plane with respect to the pivot axis. How strong the pivoting of the actuator fails in the alternate position at a given, acting transversely to the direction of force determines the spring stiffness of the return spring.

According to a further embodiment, the working element is adapted to act for opening or unlocking the door against a first contour.

Given the orientation of the working element in the working direction, any force released by the actuator is transmitted to the first contour via the working element. If the door is indirectly, i. via a door lock, or directly yields the force transmitted by the working element, the working element preferably remains on the first contour and causes an opening or unlocking the door.

According to a further embodiment, the first contour is formed as a straight or concave surface transversely to the working direction.

If the first contour is formed as a flat surface transversely to the working direction, the working element is perpendicular to it when touching the first contour in order to effect a frictional connection. The angle between the working element and the first contour is preferably between 45 ° and 90 °, more preferably between 65 ° and 90 °, and most preferably between 85 ° and 90 °. This intermediate angle defines, for a given force in the working direction (longitudinal force), which portion of it is deflected perpendicular to the working direction (transverse force). In order to prevent that transverse forces already arise during the transmission of low longitudinal forces on the first contour, which would pivot the working element from its working position into the evasive position, the first contour and the working element can also be embodied in a form-fitting manner. A positive fit would arise, for example, if a convex, i. rounded shape of the coming into contact with the first contour end of the working element meets a correspondingly concave shape of the first contour. The cancellation of the positive engagement and pivoting of the actuator may then require a slight elastic deformation of the first contour. Depending on the spring hardness but also the return spring already when the actuator is in its working position, exert a defined restoring force on the actuator and prevent premature pivoting of the actuator. Of course, these two mechanisms can also be used together.

According to a further embodiment, an obliquely shaped to the working direction, second contour is provided, which adjoins the first contour and is adapted to act on the working element for pivoting the actuator with a force across the working direction.

The power transmission from the working element takes place at the boundary between the first and second contour. If the door of the household appliance does not yield the force transmitted by the working element, for example because it is locked for child safety, the working element can break laterally over the slope of the second contour in the escape position due to the lateral force and thus causes the door remains closed and despite extended working element to no mechanical damage. If the door is opened by the working element, but closed again by the user while the working element is still extended, then the working element also preferably breaks laterally over the second contour into the evading position because of the transverse force In this case, the door remains closed and there is no mechanical damage due to overload.

In a further embodiment, an obliquely shaped to the working direction contour is provided, which is adapted to be actuated by the working element for the opening or unlocking of the door, and further applied to the working element for pivoting the actuator with a force transverse to the working direction.

In this embodiment, therefore, only one contour (and not two contours as in the preceding embodiment) is provided. The one contour here are both functions, namely opening or unlocking the door and pivoting of the actuator when the force across the working direction exceeds a predetermined threshold assigned.

According to a further embodiment, the first and / or second contour is formed on a slide, which is adapted to actuate a striker of a door lock of the door.

The first and / or second contour can be realized in a slide, which accomplishes a power transmission between the working element and the door lock and allows actuation of the door lock from the inside of the household appliance. A power transmission from the working element to a first contour formed in a slide preferably causes unlocking of the door, and optionally a subsequent opening of the same. The slider and the striker can be formed in one piece or as separate components.

According to a further embodiment, the first and / or second contour is formed on an inner panel of the door.

The first and / or second contour can already be taken into account in the design of the inner panel of the door, which reduces the number of components to be purchased and assembled. In this case too, an angle between the working direction of the working element and the surface of the inner panel can be formed by suitable positioning and alignment of the actuator. From the point of view of the working element, this one arises Intermediate angle as a slope in the working direction, which optionally exerts a transverse force on the working element and causes the pivoting of the actuator in the evasive position. For example, the slope can be provided by the fact that the working direction of the actuator is slightly obliquely directed to a flat inner panel of the door. A power transmission from the working element to a formed as an inner plate of the door first contour preferably causes opening of the door.

According to a further embodiment, the working element is designed as a ram.

To transfer the occurring longitudinal and transverse forces on the holder of the actuator is a working element that can be designed in the form of a plunger or piston.

According to a further embodiment, the working element is rounded at its door-side end or formed with a roller.

A convex rounding of the working element, or an equipment of the working element with a roller in particular reduces the frictional connection between the working element on the one hand and the first and / or second contour on the other hand, which reduces the transverse force required for pivoting the actuator from its working direction.

According to a further embodiment, the actuator is designed as a thermoactuator, in particular as a wax engine.

Thermo-actuators usually comprise a wax (for example, oil, wax, hard paraffin or metal), which undergoes a phase change by a change in temperature and thus a significant change in volume, which can be implemented in a proportional change in length. Examples of such thermoactuators are wax motors, bimetals or shape memory alloys (memory metals). Thermoactuators, in particular the mentioned wax engines, are characterized by the fact that they are particularly cost-effective.

According to a further embodiment, the striker of the door lock, which by means of the actuator from a locking position in which it engages positively in the door, against an acting in the closing direction of the door spring in an unlocked position adjustable, in which it releases the door for opening the same and secures positively against return by a spring, and has a lever which reverses the positive locking when closing the door, whereby the spring actuates the striker in the locked position and the door in the Closing direction pulls.

The door of the household appliance preferably has on its upper side a recess which is provided for a positive engagement of the striker or closing hook of the door lock. To unlock the door, the striker or locking hook is lifted out of the recess. This is done in particular by manually opening the door or by the fact that the automatic door opener pushes the striker or locking hook in the direction of the front of the device via the slide. In both cases, the striker or locking hook is pressed against a spring and secured against resetting. Subsequently, the door can be opened. To close the door, this return protection is released by a hook provided for this, and the spring pushes the striker or locking hook back into its locking position.

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.

• Fig. 1 zeigt eine schematische Seitenansicht einer Ausführungsform des Haushaltsgeräts;
• Fig. 2A zeigt eine schematische Detailansicht von oben auf eine Ausführungsform des Haushaltsgeräts mit eingefahrenem Aktuator, der zum Betätigen des Türschlosses eingerichtet ist;
• Fig. 2B zeigt eine schematische Detailansicht von der Seite auf die Ausführungsform des Haushaltsgeräts nach Fig. 2A;
• Fig. 3A zeigt eine schematische Detailansicht von oben auf die Ausführungsform des Haushaltsgeräts nach Fig. 2A mit ausgefahrenem Aktuator bei verriegelter Tür;
• Fig. 3B zeigt eine schematische Detailansicht von der Seite auf die Ausführungsform des Haushaltsgeräts gemäß Fig. 2B mit ausgefahrenem Aktuator bei unverriegelter Tür;
• Fig. 4A zeigt eine schematische Detailansicht von oben auf eine Ausführungsform des Haushaltsgeräts mit ausgefahrenem Aktuator, der direkt auf die verriegelte Tür einwirkt;
• Fig. 4B zeigt eine schematische Detailansicht von oben auf die in Fig. 4A dargestellte Ausführungsform des Haushaltsgeräts mit ausgefahrenem Aktuator, der direkt auf die unverriegelte Tür einwirkt;
• Fig. 5A zeigt eine schematische Detailansicht von oben auf eine weitere Ausführungsform des Haushaltsgeräts mit ausgefahrenem Aktuator, der direkt auf die verriegelte Tür einwirkt; und
• Fig. 5B zeigt eine schematische Detailansicht von oben auf die in Fig. 5A gezeigte Ausführungsform des Haushaltsgeräts mit ausgefahrenem Aktuator, der direkt auf die unverriegelte Tür einwirkt;

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.

• Fig. 1 shows a schematic side view of an embodiment of the household appliance;
• Fig. 2A shows a schematic detail view from above of an embodiment of the household appliance with retracted actuator, which is adapted to operate the door lock;
• Fig. 2B shows a schematic detail view from the side of the embodiment of the household appliance according to Fig. 2A ;
• Fig. 3A shows a schematic detail view from above of the embodiment of the household appliance according to Fig. 2A with extended actuator with locked door;
• Fig. 3B shows a schematic detail view from the side of the embodiment of the household appliance according to Fig. 2B with extended actuator with unlocked door;
• Fig. 4A shows a schematic detail view from above of an embodiment of the household appliance with the actuator extended, which acts directly on the locked door;
• Fig. 4B shows a schematic detail view from above on in Fig. 4A illustrated embodiment of the household appliance with the actuator extended, which acts directly on the unlocked door;
• Fig. 5A shows a schematic detail view from above of a further embodiment of the household appliance with the actuator extended, which acts directly on the locked door; and
• Fig. 5B shows a schematic detail view from above on in Fig. 5A shown embodiment of the household appliance with the actuator extended, which acts directly on the unlocked door;

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

Fig. 1 shows a schematic side view of a household appliance 1 with a closed door 2, which hinged at its lower end to a body 3 of the household appliance 1 pivotally and thereby between a vertical closed position and a in Fig. 1 indicated horizontal opening position is pivotable. The household appliance 1 further comprises an actuator 4 and a door lock 5, which together realize an automatic door opening function. While the door lock 5 is directly above the door 2 in is arranged in its closed position in a ceiling region of the body 3, the actuator 4 is provided adjacent to the door lock 5.

Although the household appliance 1 is in particular a dishwasher, in principle, however, it is conceivable for each household appliance 1 with a pivotably hinged door 2 that it is unlocked by automatic door opening function and / or opened. Examples of such household appliances are washing machines, ovens, steamer and the like.

The following figures show, in particular, the area in which the actuator 4 and the door lock 5 are located, as schematic detail views taken from above or from the side.

Accordingly, schematic detail views of the household appliance 1 with retracted actuator 4 are shown, which is set up for actuating the door lock 5. Fig. 2A and Fig. 2B represent the relevant plan view and side view.

Shown is the actuator 4, which is designed as a thermal actuator, in particular as a wax engine.

The actuator 4 is surrounded by a holder 6, which is hinged to a body 3 of the household appliance 1 pivotable about a pivot axis S, which is why the holder 6 - and thus the actuator 4 - only in a solder plane of the pivot axis S is movable.

The pivoting of the actuator 4 in this solder plane is further limited by a stop 7 and a return spring 8, which are also mounted on the body 3 of the household appliance 1. The stop 7 sets together with the pivot axis S a working direction A of the actuator 4 fixed (working position), and prevents beyond this working direction A beyond pivoting of the actuator 4. The working position is in Fig. 2A in a solid line and in Fig. 3A shown in dotted line. The stop 7 may be a separate component, or optionally also formed by a projection on the body 3 of the household appliance.

A pivoting of the actuator 4 from this working direction A out into an in Fig. 3A Dodge position shown in a solid line is possible in principle. However, the return spring 8 is mounted on the body 3 of the household appliance 1, that in this case it tries to reset the actuator 4 with its spring force in the working position. For pivoting the actuator 4 from its working direction A so acting transversely to the direction A force (shear force) on the actuator 4 is required, which exceeds the restoring spring force.

Such a transverse force is due to the fact that the holder 6 has a guide 9 for the working element 10, the forces acting transversely on the working element 10 forces on the holder 6 of the actuator 4 transmits. A force exerted laterally on the working element 10 can thus lead to pivoting of the actuator 4 from its working direction A into its escape position. The working element 10 may be designed as a plunger or piston and for easier pivoting at the end facing the door 2 or the door lock 5, rounded or formed with a roller 11. In Fig. 2A the variant with the rounded end of the working element 10 is shown.

In contrast, a longitudinal force exerted by the actuator 4 on the working element 10 leads to an adjustment of the working element 10 between a retracted and an extended position. If the working element 10 in the working direction A on the door 2 (see. Fig. 3A, 3B . 4A and 4B below) or on the door lock 5 (see. FIGS. 2A and 2B ), its extension causes an opening or unlocking of the door 2.

For passing on the longitudinal force exerted on the working element 10, a first contour 12 is provided, which lies in the working direction A of the working element 10 and is formed as a straight or concave surface transversely to the working direction A. In the case of a straight surface, the working element 10 is perpendicular to the first contour 12, while a concave surface provides additional positive engagement with the working element 10. In Fig. 2A the variant of the first contour 12 is shown with the straight surface. In this embodiment, adjoining the straight surface of the first contour 12 is a concave surface 12a, which is pulled out against the working direction A from the plane of the first contour 12. The concave surface 12a, together with the stop 7, ensures that pivoting of the actuator 4 always takes place in the evasion position provided for this purpose.

Optionally, the side of the first contour 12 is followed by a second contour 13 formed at an angle to the working direction A. It provides the working element 10, which starts at the boundary between the first contour 12 and the second contour 13, a slope, which converts a portion of the longitudinal force in a transverse force. This can, as shown above, pivot the actuator 4 from its working direction A, provided that it exceeds the spring force of the return spring 8. The actuator 4 is thus pivoted out of its working direction A as soon as the force exerted on it and transmitted through it longitudinal force is too large. This limit depends on the design of the working element 10, the first contour 12, the optional second contour 13 and the spring stiffness of the return spring 8.

In FIGS. 2A and 2B is the first and second contour 12, 13 formed on a slider 14 which actuates a striker 15 of the door lock 5 of the door 2. The side view in Fig. 2B shows that the striker 15 of the door lock 5 is in retracted actuator 4 in a locking position in which it engages positively in the door 2 and in the indicated recess. The door 2 is in its closed position. A spring 16, which serves to reset an optionally unlocked striker 15, is therefore relaxed.

The in the FIGS. 2A and 2B shown embodiment with an actuator 4, which is adapted to operate the door lock 5 is in the FIGS. 3A and 3B shown with the actuator 4 extended. In this embodiment, the working element 10 is exemplified with a roller 11, also the first contour 12 is shown in a concave configuration.

Fig. 3A shows the top view Fig. 2A with the actuator 4 and the locked door 2. When the working element 10 strikes a non-openable, in particular secured by a child safety door 2, the transmitted longitudinal force soon exceeds a limit, which leads to a transverse force, the actuator 4 to the Swivel axis S can pivot around out of its working direction A. This panning is in Fig. 3A shown. Since the door 2 can not escape the longitudinal force transmitted by the working element 10, the actuator 4 breaks out of its working direction A via the first and / or second contour 12, 13. In this way, overloads avoided if the automatic door opening function hits a door that can not be opened.

The same applies when the door 2 hits the working element 10 in its extended position during a manual closing operation. This is the case with a thermo-actuator when it has been heated and has not cooled down yet. Fig. 3A shows in this case the state at the end of the closing process. Here, the actuator 4 is pivoted in the same manner about the pivot axis S around out of its working direction A, thus avoiding overload.

Fig. 3B shows in solid line the side view Fig. 2B with the actuator 4 extended and the door 2 unlocked and opened. The door lock 5 can be set up in such a way that the unlocking and opening on the one hand and the closing and locking on the other hand occur simultaneously. When the working element 10 strikes an openable door 2, in particular not secured by a child safety device, the entire longitudinal force exerted by the actuator 4 is transmitted in working direction A via the working element 10 to the first and / or second contour 12, 13. A pivoting of the actuator 4 does not take place. The striker 15 of the door lock 5 is accordingly adjusted from the locking position (dotted line) in an unlocked position (solid line), pressed against a force acting in the closing direction of the door 2 spring 16, and positively secured against return by the spring 16, whereby he Door 2 releases for opening same as Fig. 3A shows.

The striker 15 has a lever 17, which when unlocking the door 2 extends so that it must be operated mandatory when closing the door 2 manually. In this case, the lever 17 lifts the positive connection of the striker 15 with a locking this in the unlocked position locking 19 (see Fig. 3B ), whereupon the spring 16 actuates the striker 15 in the locking position and pulls the door 2 in the closing direction.

FIGS. 4A and 4B show schematic detail views from above of an embodiment of the household appliance 1, in which an extended actuator 10 does not act on a door lock 5 but directly on the door 2. In Fig. 4A will be the case of a non-openable, in particular Door 2 secured by a child safety lock, while Fig. 4B an unlocked door 2 is based.

Unlike before, the first and / or second contour 12, 13 formed on an inner panel 18 of the door 2, to be able to act directly on the door 2 for the purpose of automatic door opening.

Otherwise, what has been said above - with the exception of the action on the door lock 5 - also applies in this case. The bevel, which converts a part of the longitudinal force into a transverse force and the actuator 4 can pivot out of its working direction A, if it exceeds the spring force of the return spring 8, results from the angle between the working direction A of the actuator 4 and the formed contour 13. According to this embodiment, therefore, only one contour is provided (and not two contours 12, 13 as in the other embodiments). Fig. 4A shows in dotted line the working position, in solid line the alternate position of the actuator. 4

In the case of an openable door 2, this will, as in Fig. 4B shown, directly pressed, wherein in dotted line whose closed position and in a solid line whose open position is shown. A pivoting of the actuator 4 does not take place in this case, because the door 2 gives way to the longitudinal force exerted on it and thus a lateral force required for pivoting the actuator can not arise. The actuator 4 thus remains in its working position.

Figs. 5A and 5B show schematic detail views from above of a further embodiment of the household appliance 1, in which an extended actuator 10 acts directly on the door 2. Unlike in FIGS. 4A and 4B illustrated embodiment, the first and second contour 12, 13 are made Fig. 2A an inner plate 18 of the door 2 is formed. This design also fulfills the purpose of being able to act directly on the door 2 for automatic door opening. In Fig. 5A the case of a non-openable door 2 is treated, wherein the working position is shown in dotted line and the evasive position of the actuator 4 in a solid line. Fig. 5B shows how the door 2 is opened, wherein in its dashed line the closed position and in a solid line, the open position is shown. In both cases, however, this is true FIGS. 4A and 4B Said.

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

Used reference signs:

1

household appliance

2

door

3

corpus

4

actuator

5

Locks

6

bracket

7

attack

8th

Return spring

9

guide

10

work item

11

role

12

first contour

12a

concave surface

13

second contour

14

pusher

15

striker

16

feather

17

lever

18

inner panel

19

rest

A

working direction

S

swivel axis

Claims (15)

1. Domestic appliance (1), in particular a dishwasher, having a door (2) and an actuator (4) which has a working element (10) which is configured to be displaced in a working direction (A) between a retracted and an extended position for opening or unlocking the door (2), characterised in that the actuator (4) can be pivoted transversely to the working direction (A) about a pivot axis (S) for a deflection of the working element (10) from the working direction (A) in its extended position upon closing or locking the door (2) or for a deflection of the working element from the working direction (A) upon a displacement of the same from its retracted to its extended position in the case of a closed or locked door (2).
2. Domestic appliance according to claim 1, characterised in that the actuator (4) is articulated so as to pivot about the pivot axis (S) on a body (3) of the domestic appliance (1).
3. Domestic appliance according to claim 1 or 2, characterised in that the actuator (4) has a bracket (6) which is articulated so as to pivot about the pivot axis (S).
4. Domestic appliance according to claim 3, characterised in that the bracket (6) has a guide (9) for the working element (10) which is configured to transfer forces acting transversely on the working element (10) to the bracket (6).
5. Domestic appliance according to one of claims 1 to 4, characterised by a stop (7) which is configured to define the working direction (A) of the working element (10).
6. Domestic appliance according to one of claims 1 to 5, characterised in that the actuator (4) can be pivoted between a working position in which the working element (10) is aligned along the working direction (A), and a deflection position in which the working element (10) is pivoted out from the working position, wherein a return spring (8) is provided which is configured to pivot the actuator (4) back into the working position.
7. Domestic appliance according to one of claims 1 to 6, characterised by a first contour (12), wherein the working element (10) is configured to act against the first contour (12) for opening or unlocking the door (2).
8. Domestic appliance according to claim 7, characterised in that the first contour (12) is formed as a straight or concave surface transversely to the working direction (A).
9. Domestic appliance according to claim 7 or 8, characterised by a second contour (13) which is formed obliquely to the working direction (A) and adjoins the first contour (12) and is configured to apply a force transversely to the working direction (A) onto the working element (10) for pivoting the actuator (4).
10. Domestic appliance according to claim 7 to 9, characterised in that the first and/or second contour (12, 13) is formed on a slide (14) which is configured to actuate a striker (15) of a door lock (5) of the door (2).
11. Domestic appliance according to claim 7 to 9, characterised in that the first and/or second contour (12, 13) is formed on an inner panel (18) of the door (2).
12. Domestic appliance according to claims 1 to 11, characterised in that the working element (10) is embodied as a plunger.
13. Domestic appliance according to claims 1 to 12, characterised in that the working element (10) is formed to be rounded at its door-side end or with a roller (11).
14. Domestic appliance according to one of claims 1 to 13, characterised in that the actuator (4) is embodied as a thermal actuator, in particular as a wax motor.
15. Domestic appliance according to one of claims 10 to 14, characterised in that the striker (15) of the door lock (5), which by means of the actuator (4) can be displaced from a locking position, in which it engages into the door (2) in a form-fit manner, against a spring (16) acting in the closing direction of the door (2) into an unlocking position, in which it releases the door (2) for opening of the same and is secured in a form-fit manner against a reset by the spring (16), and has a lever (17) which cancels the form fit when the door (2) is closed, whereby the spring (16) actuates the striker (15) into the locking position and pulls the door (2) in the closing direction.

Images