EP3282047A1 - Household device with a door hinge - Google Patents

Abstract

The present invention relates to a household appliance (100) with a base body (103), wherein the base body (103) has a base opening (105), and a door (107) for closing the base opening (105), wherein the appliance door (107) Plastic window ring (109) for holding a window (111) and a door hinge (113) for holding the appliance door (107) on the base body (103). The window ring (109) has a first receiving element (123) and a second receiving element (125) for receiving the door hinge (113). The door hinge (113) has a first insertion element (119), which is insertable into the first receiving element (123), and a second insertion element (131), which is insertable into the second receiving element (125), to the door hinge (113 ) to be attached to the window ring (109).

Description

The present invention relates to a household appliance with a door hinge.

Conventional household appliances have a device interior, which is limited by a base body. The main body of the household appliance has a main body opening, through which the device interior is accessible from outside the household appliance. Here, the base opening is closed by a door. So that the appliance door is fastened to the basic body, conventional appliance doors have a door hinge which allows the user to open and close the appliance door.

In the GB 2 294 698 A discloses a washing machine with an opening, wherein the opening is closed by a door.

In the GB 2 237 293 A a window of a washing machine is disclosed, wherein the window has a frame element.

It is the object of the present invention to provide a household appliance with a door that can be produced advantageously.

This object is achieved by articles having the features according to the independent claims. Advantageous embodiments are the subject of the dependent claims, the description and the drawings.

According to one aspect, the object according to the invention is achieved by a domestic appliance having a base body, the base body having a base body opening, and a device door for closing the base body opening, wherein the appliance door has a window ring made of plastic for holding a window and a door hinge for holding the appliance door on the Basic body, wherein the window ring has a first receiving element and a second receiving element for receiving the door hinge, and wherein the door hinge, a first insertion element, which is insertable into the first receiving element, and a second insertion element, which in the second Receiving element is insertable, has to attach the door hinge to the window ring.

As a result, the technical advantage is achieved that can be ensured by the insertion of the first and second insertion of the door hinge each in the first and second receiving element of the window ring, a particularly effective and easy to install during assembly connection between the door hinge and the window ring.

In conventional household appliances, the window ring and the door hinge are manufactured as separate components, which are then connected to each other by a screw or plug connection. In this case, an attachment of the door hinge to the window ring in conventional appliance doors with an increased installation effort and thus higher installation costs.

The present invention discloses attaching the door hinge to the window ring by inserting the first and second insertion members of the door hinge respectively into the first and second receiving openings of the window ring. Thereby, an easy-to-reach attachment of the door hinge to the window ring without the use of additional components or fasteners can be achieved. In addition, no interruption of the visible surface of the window ring is caused by the door hinge. Furthermore, there is a significantly improved rigidity of the hinge connection in the assembly, and thus an increased stability of the door hinge on the window ring.

A household appliance is a device that is used for household management. This may be a large household appliance, such as a washing machine, a tumble dryer, a dishwasher. But this can also be a small household appliance, such as a water heater, a coffee machine, a food processor or a carpet cleaning machine.

In an advantageous embodiment of the household appliance, the first receiving element and the second receiving element each have at least one recess which are formed in the window ring to receive the respective insertion element.

Thereby, the technical advantage is achieved that by forming the receiving elements as recesses, which are formed within the window ring, no additional components are necessary to attach the door hinge to the window ring. For example, sockets can be omitted for attaching the door hinge to the window ring, whereby material can be saved. In addition, can be dispensed with an assembly step, whereby the assembly time is reduced.

In an advantageous embodiment of the household appliance, the first receiving element and the second receiving element each have at least one socket, in particular round and / or square bushes, which are fastened to the window ring in order to receive the respective insertion element.

As a result, the technical advantage is achieved that an effective attachment of the door hinge to the window ring can be ensured by arranging sockets on the window ring. Here, in particular round and / or square bushings can be used, wherein the round bushings have an oval cross section, and wherein the square bushings have a polygonal cross section. The respective insertion element can in this case be inserted into the respective round and / or square socket.

In an advantageous embodiment of the household appliance, the door hinge can be fastened to the window ring by a non-positive or positive connection or clamping connection, in particular by a latching connection or clamping connection.

Thereby, the technical advantage is achieved that a particularly stable connection between the two components of the door is achieved by the non-positive or positive connection or clamping connection, in particular latching connection or clamping connection, between the door hinge and the window ring.

In a further advantageous embodiment of the household appliance, the first receiving element has a first receiving opening, and the second receiving element has a second receiving opening, wherein the first insertion element in the first receiving opening is insertable, and wherein the second insertion element is insertable into the second receiving opening to position the door hinge on the window ring.

As a result, the technical advantage is achieved that an effective insertion of the respective insertion elements of the door hinge is made possible by the respective receiving openings of the receiving element. Here, the respective insertion of the door hinge can be inserted from one of the device opening facing inside of the window ring through the respective receiving openings in the respective receiving elements, whereby an effective positioning of the respective insertion can be ensured on the window ring.

In a further advantageous embodiment of the household appliance, the first insertion element of the door hinge has a first centering pin, and the second insertion element of the door hinge has a second centering pin.

As a result, the technical advantage is achieved that an effective attachment of the door hinge can be ensured on the window ring by the respective centering pins of the respective insertion of the door hinge.

In a further advantageous embodiment of the household appliance, the first centering pin is insertable into a first centering opening of the first receiving element, and the second centering pin is insertable into a second centering opening of the second receiving element to position the door hinge on the window ring in a centering position.

As a result, the technical advantage is achieved that an advantageous positioning of the door hinge on the window ring in a centering position is made possible by the insertion of the respective centering pins in the respective centering. When inserting the respective insertion elements of the door hinge in the respective receiving elements of the window ring is first ensured by the pre-positioning an effective alignment of the door hinge with respect to the window ring before the door hinge is attached to the window ring in a further step.

In a further advantageous embodiment of the household appliance, the first insertion element of the door hinge has a first centering pin, the second insertion element of the door hinge has a second centering pin, the first insertion element of the door hinge has a third centering pin, and the second insertion element of the door hinge has a fourth centering pin on.

As a result, the technical advantage is achieved that an effective attachment of the door hinge can be ensured on the window ring by the respective centering pins of the respective insertion of the door hinge.

In a further advantageous embodiment of the household appliance, the first centering pin and the third centering pin arranged on the first insertion element extend in opposite directions, and the second centering pin and fourth centering pin arranged on the second insertion element extend in opposite directions.

This achieves the technical advantage that the first centering pin and third centering pin arranged on the first insertion element and the second centering pin and fourth centering pin arranged on the second insertion element ensure effective fastening of the door hinge to the window ring. The centering pins can be advantageously inserted into corresponding sockets or recesses on the window ring.

In a further advantageous embodiment of the household appliance, the first centering pin is insertable into a first centering opening of the first receiving element, the second centering pin is insertable into a second centering opening of the second receiving element, the third centering pin is insertable into a third centering opening of the first receiving element, and is the fourth Centering inserted into a fourth centering opening of the second receiving element to position the door hinge on the window ring in a centering position.

As a result, the technical advantage is achieved that an advantageous positioning of the door hinge on the window ring in a centering position is made possible by the insertion of the respective centering pins in the respective centering. At the Inserting the respective insertion elements of the door hinge in the respective receiving elements of the window ring is first ensured by the appropriate Vorpositionierung, or centering, an effective alignment of the door hinge with respect to the window ring before the door hinge is attached to the window ring in a further step.

In a further advantageous embodiment of the household appliance, the first and second insertion element of the centering position by a movement of the door hinge in a fixing direction can be converted into a fixing position to secure the door hinge to the window ring in the fixing position.

As a result, the technical advantage is achieved that in the fixing position a particularly effective and stable fastening of the door hinge is ensured on the window ring. In the centering position, the respective insertion elements or the respective centering pins are not yet finally fastened to the window ring. In the centering rather a pre-positioning of the door hinge is secured to the window ring to ensure a connection-technical arrangement of the door hinge to the window ring. Subsequently, the door hinge is moved by a movement in the fixing direction, which is e.g. extends from the center of the appliance door radially to the edge of the appliance door, transferred from the centering position to the fixing position. In the fixing position, the respective insertion elements are in the respective end positions of the receiving elements of the window ring, to ensure a stable attachment of the door hinge to the window ring.

In a further advantageous embodiment of the household appliance, the first receiving element has a first rib element, the second receiving element has a second rib element, the first centering pin being connectable to the first rib element, and the second centering pin being connectable to the second rib element To attach the door hinge to the window ring.

As a result, the technical advantage is achieved that the respective centering pins connected to the respective rib elements ensure a particularly effective attachment of the door hinge to the window ring. Here, the connection between the respective centering pins and the respective rib elements be ensured by a latching connection in order to achieve a stable connection between the door hinge and the window ring in the fixing position. If in particular four centering pins are present, the first and second receiving elements each have two rib elements in order to connect the respective centering pins to the corresponding rib element.

In a further advantageous embodiment of the household appliance, the first receiving element has a first sliding element, the second receiving element has a second sliding element, wherein the respective sliding element is designed to support a movement of the respective centering pin received in the respective receiving element from the centering position into the fixing position ,

Thereby, the technical advantage is achieved that the respective sliding ensure that the respective centering pin can be effectively transferred from the centering position to the fixing position, in particular in the context of a sliding movement. The sliding element may in this case in particular have a plurality of ribs which extend transversely to the respective centering pin, wherein the ribs in this case reduce a contact surface between the respective receiving element and the respective centering pin in order to ensure an effective transfer from the centering position to the fixing position.

In a further advantageous embodiment of the household appliance, the first receiving element has a first sliding element, the second receiving element has a second sliding element, the first receiving element has a third sliding element, and the second receiving element has a fourth sliding element, wherein the respective sliding element is formed to assist a movement of the respective centering pin received in the respective receiving element from the centering position into the fixing position.

Thereby, the technical advantage is achieved that the respective sliding ensure that the respective centering pin can be effectively transferred from the centering position to the fixing position, in particular in the context of a sliding movement. The sliding element may in this case in particular have a plurality of ribs which extend transversely to the respective centering pin, wherein the ribs in this case a Reduce contact surface between the respective receiving element and the respective centering pin to ensure an effective transfer from the centering position to the fixing position.

In a further advantageous embodiment of the household appliance, the first insertion element and the second insertion element are arranged on an outer side of the window ring facing away from the main body opening.

As a result, the technical advantage is achieved that a particularly effective assembly of the door is made possible by the arrangement of the respective insertion elements on the outside of the window ring. During assembly of the appliance door can be ensured from the outside of the window ring, that the respective insertion element has been effectively introduced into the respective receiving elements.

In a further advantageous embodiment of the household appliance, the appliance door has a window frame, which is connected to the window ring, wherein the window frame is arranged circumferentially on an outside of the main body opening outside of the window ring, and wherein the first and second insertion especially between the window ring and the window frame are arranged.

As a result, the technical advantage is achieved that a particularly effective and stable cladding of the window ring is achieved by the use of the window frame, which is connected to the window ring. By means of the window frame connected to the window frame, an effective holding of the window on the window ring can be ensured. The fact that the window frame is arranged circumferentially on the outside of the window ring, the advantage is achieved that the window frame at the location of the window ring on which the door hinge is arranged, is not interrupted. Since the respective insertion elements are arranged in particular between the window ring and the window frame, the respective insertion elements are covered by the window frame.

In a further advantageous embodiment of the household appliance, the window ring on the outside of the main body opening facing away from the first connecting elements, and has the window frame at one of the main body opening facing inner side further connecting elements, wherein the further connecting elements with the first connecting elements are connectable to connect the window frame with the window ring.

As a result, the technical advantage is achieved that the first and further connecting elements allow an effective connection between the window ring and the window frame, which ensures sufficient stability of the window frame on the window ring.

In a further advantageous embodiment of the household appliance, the door hinge on a mounting plate which is adapted to attach the door hinge to the base body, wherein the mounting plate is arranged on one of the main body opening facing inside of the window ring.

As a result, the technical advantage is achieved that the door hinge can be particularly effectively connected by the arranged on the inside of the window ring mounting plate with the main body of the household appliance.

In a further advantageous embodiment of the household appliance, the fastening plate has a positioning pin, which is designed to position the door hinge on the base body, and / or the fastening plate has a fixing element, which is designed to fix the door hinge to the base body, wherein the Fixing in particular comprises a fixing hook.

As a result, the technical advantage is achieved that an effective pre-positioning of the mounting plate is secured to the base body by the positioning, whereby the mounting plate can be effectively arranged on the base body during assembly. The fixing element, in particular the fixing hook, can be inserted into a corresponding opening on the base body, and fixes the fastening plate and thus the door hinge effectively on the base body.

In a further advantageous embodiment of the domestic appliance, the window ring and the window frame comprise a plastic, the plastic in particular comprising polypropylene, acrylonitrile-butadiene-styrene or mixtures thereof.

As a result, the technical advantage is achieved that an advantageous and cost-effective production of the window ring is ensured by the use of polypropylene for the window ring. Acrylonitrile-butadiene-styrene has greater resistance than polypropylene, which can increase the mechanical stability of the door to allow the user to effectively open or close the door.

In a further advantageous embodiment of the household appliance, the door hinge comprises a further plastic, metal or mixtures thereof, the metal in particular comprising a zinc-iron alloy.

As a result, the technical advantage is achieved that a particularly stable door hinge can be provided by the use of said materials, in particular the zinc-iron alloy.

According to a second aspect of the invention, the object is achieved by a method for producing a device door of a household appliance, wherein the main body has a base body, wherein the appliance door is designed to close the base body opening, wherein the appliance door a window ring plastic housing for holding a window and a door hinge for holding the appliance door on the base body, wherein the window ring has a first receiving element and a second receiving element for receiving the door hinge, wherein the door hinge has a first insertion element, which is insertable into the first receiving element, and wherein the door hinge has a second insertion element, which is insertable into the second receiving element, wherein the method comprises the following steps, molding the window ring made of plastic, curing the window ring, inserting the ers th insertion element in the first receiving element of the window ring and the second insertion element in the second receiving element of the window ring, and attaching the door hinge to the window ring.

As a result, the technical advantage is achieved by the inventive method by the molding and curing of the window ring from the plastic, through the insertion of the respective insertion elements into the respective receiving elements an effective and advantageous production of the door with a door hinge is ensured.

In an advantageous embodiment of the method, the step of molding the plastic window ring comprises forming at least one recess in the first receptacle and forming at least one recess in the second receptacle.

In an advantageous embodiment of the method, the step forming the plastic window ring comprises forming at least one bushing on the first receiving element and forming at least one bushing on the second receiving element, wherein the bushings, in particular round and / or square bushes, on the Window ring are attached.

Fig. 1

eine schematische Ansicht eines Haushaltsgeräts;

Fig. 2

eine schematische Ansicht einer Gerätetür mit einem Fensterring und einem Türscharnier;

Fig. 3

eine schematische Ansicht eines Türscharniers;

Fig. 4

eine schematische Ansicht einer Gerätetür mit einem Türscharnier;

Fig. 5

eine schematische Ansicht einer Gerätetür mit einem Türscharnier in Schnittdarstellung;

Fig. 6

eine schematische Ansicht einer Gerätetür mit einem Türscharnier in Schnittdarstellung gemäß einer zweiten Ausführungsform;

Fig. 7

eine schematische Ansicht einer Gerätetür mit einem Türscharnier in Schnittdarstellung gemäß einer dritten Ausführungsform; und

Fig. 8

ein Verfahren zum Herstellen einer Gerätetür eines Haushaltsgeräts.

Further embodiments will be explained with reference to the accompanying drawings. Show it:

Fig. 1

a schematic view of a household appliance;

Fig. 2

a schematic view of a door with a window ring and a door hinge;

Fig. 3

a schematic view of a door hinge;

Fig. 4

a schematic view of a door with a door hinge;

Fig. 5

a schematic view of a door with a door hinge in a sectional view;

Fig. 6

a schematic view of a door with a door hinge in a sectional view according to a second embodiment;

Fig. 7

a schematic view of a door with a door hinge in a sectional view according to a third embodiment; and

Fig. 8

a method for manufacturing a door of a household appliance.

Fig. 1 shows a schematic view of a general household appliance 100, such as a washing machine as an example of a household appliance 100. The household appliance 100 includes a dispenser 101, in the wash care substance, such as detergent, can be filled. The household appliance 100 comprises a main body 103 with a main body opening 105 and a device door 107 for closing the main body opening 105 of the main body 103. The household appliance 100 can be loaded with laundry through the appliance door 107.

Fig. 2 shows a schematic view of a door with a window ring and a door hinge. The appliance door 107 has a window ring 109 which is adapted to receive and hold a window 111. The window 111 may be made of at least partially transparent or non-translucent glass or plastic to allow the user to see through the window 111. An arranged on the door 107 recessed grip for opening the door 107 is in Fig. 2 not shown.

The appliance door 107 further includes a door hinge 113 for holding the appliance door 107, wherein the door hinge 113 with the window ring 109 by a in Fig. 2 not shown locking connection is connected. By the door hinge 113, the appliance door 107 can be movably attached to the main body 103 of the household appliance 100 to close a main body opening 105 of the main body 103 of the household appliance 100.

The door hinge 113 comprises a further plastic, metal or mixtures thereof, the metal in particular comprising a zinc-iron alloy, whereby particularly stable material properties of the door hinge 113 can be achieved.

The appliance door 107 further comprises a window frame 115, wherein the window frame 115 is connected to the window ring 109. The window frame 115 is in particular positive or non-positive with the appliance door 107, in particular with the Window ring 109 connected. The window frame 115 is in particular arranged circumferentially on the outside of the window ring 109, wherein the window frame 115 is arranged on the window ring 109 without interruption completely encircling. In the in Fig. 2 illustrated embodiment, only the edge of the window frame 109 disposed in the illustration behind the window frame 115 is visible. Here, the door hinge 113 is disposed between the window ring 109 and the window frame 115 and in the in Fig. 2 view not directly visible.

The window ring 109 and the window frame 115 are made of plastic, whereby a particularly stable attachment of the window 111 can be achieved. The plastic of the window ring 109 and the window frame 115 may include polypropylene, acrylonitrile-butadiene-styrene or mixtures thereof.

Fig. 3 shows a schematic view of a door hinge outside of the household appliance. This in Fig. 3 only partially shown door hinge 113 has a mounting plate 117, which is designed to secure the door hinge 113 to a base 103 of the household appliance 100. The door hinge 113 further includes a first insertion member 119, which in a in Fig. 3 unillustrated first receiving element of a door 107 of the household appliance 100 is inserted to attach the door hinge 113 by means of a latching connection to the window ring 109. The first insertion element 119 has a first centering pin 121 for fastening the door hinge 113 to the window ring 109.

Fig. 4 shows a schematic view of a door with a door hinge. The in the Fig. 4a and Fig. 4b shown appliance door 107 has a window ring 109, which is formed in the Fig. 4a and 4b not shown window 111 record and hold. In the in the Fig. 4a and 4b A view of a basic body opening 105 of the main body 103 facing away from the outside of the window ring 109 is shown, wherein on the window ring 109 no window frame 115 is attached. The window ring 109 has a first receiving element 123 and a second receiving element 125, wherein the first receiving element 123 has a first receiving opening 127, and wherein the second receiving element 125 has a second receiving opening 129.

In Fig. 4a a door hinge 113 is shown with a first insertion 119 and a second insertion 131 in a centering position, wherein the first insertion 119 a first centering pin 121 and wherein the second insertion 131 has a second centering pin 133. The first insertion member 119 has been inserted into the first receiving opening 127 of the first receiving member 123 and the second insertion member 131 has been inserted into the second receiving opening 129 of the second receiving member 125. Here, in particular, the first centering pin 121 of the first insertion member 119 is inserted into a first centering opening 135 of the first receiving element 123, and in particular the second centering pin 133 of the second insertion element 131 is inserted in a second centering opening 137 of the second receiving element 125 to the door hinge 113 on the Position window ring 109 in the centering position.

In Fig. 4b a door hinge 113 is shown with the first and second insertion member 119, 131 in a fixing position. Here, the door hinge 113 from the in Fig. 4a shown centering position by moving the first and second insertion member 119, 131 within the first and second receiving element 123, 125 moves in the fixing direction 139, and thus in the in Fig. 4b transferred shown fixing position.

In this case, the first receiving element 123 has a first rib element 141 in order to fix the first centering pin 121 of the first insertion element 119 in the fixing position. The second receiving element 125 in this case has a second rib element 143 in order to fix the second centering pin 133 of the second insertion element 131 in the fixing position. In the fixing position of the first centering pin 121 with the first rib member 141 and the second centering pin 133 is operatively connected to the second rib member 143 in particular by a latching connection. Thus, an effective attachment of the door hinge 113 is ensured on the window ring 109 in the fixing position.

Thus, a two-stage fixation of the door hinge 113 is ensured on the window ring 109. In the first step, the first and second insertion members 119, 131 of the door hinge 113 are inserted into the respective first and second receiving openings 127, 129 to transfer the door hinge 113 to the centering position. In the second step, the first and second insertion member 119, 131 is moved in the fixing direction 139 to the To move door hinge 113 from the centering position to the fixing position. In the fixing position, the first and second centering pins 121, 133 of the door hinge 113 are connected to the first and second rib members 141, 143. This ensures that the insertion elements 119, 131 of the door hinge 113 do not detach from the respective receiving elements 123, 125 during a rotation of the window ring 109 during the further assembly steps.

Characterized in that the first and second insertion element 119, 131 of the door hinge 113 between the window ring 109 and a in Fig. 4a and Fig. 4b window frame 115 are not shown, it can be ensured that the window ring 109 is no longer interrupted at the decorative edge, and thus a continuous edge of the window ring 109 is ensured. The window rings 109 can be formed in different colors.

Thus, no additional components are needed to attach the door hinge 113 to the window ring 109. There is no interruption of the visible surface on the window ring 109. In the fixing position, the door hinge 113 is particularly effectively attached to the window ring 109 and there is an effective power transmission from the door hinge 113 to the window ring 109. The first and second rib members 141, 143 surround the first and second centering pin 121, 133 comb-like, resulting in a significantly improved rigidity of the door hinge assembly on the door 107.

Fig. 5 shows a schematic view of a door with a door hinge in a sectional view. The in the Fig. 5 illustrated appliance door 107 has a window ring 109 for receiving a window 111. At a side facing away from the base body opening 105 of the base body 103 outside of the window ring 109, a window frame 115 is attached. On the outer side of the window ring 109 first connecting elements 145 are arranged, and on the base body opening 105 of the base body 103 facing inside of the window frame 115 further connecting elements 147 are arranged. The first and further connecting members 145, 147 are connected to each other to effectively fix the window frame 115 to the window ring 109.

The door hinge 113 connected to the window ring 109 has a first insertion element 119, which is inserted into a first receiving opening 127 of a first receiving element 123 of the window ring 109. The door hinge 113 has a second insertion element 131, which is inserted into a second receiving opening 129 of a second receiving element 125 of the window ring 109.

In the in Fig. 5 1, a first centering pin 121 of the first insertion element 119 is connected to a first rib element 141 of the window ring 109, and a second centering pin 133 of the second insertion element 131 is connected to a second rib element 143 of the window ring 109. In the in Fig. 5 1 and 2, the first and second centering pins 121, 133 are respectively arranged behind the first connecting elements 145 and the further connecting elements 147, and the first and second rib elements 141, 143 are not shown.

The door hinge 113 further has a mounting plate 117, which allows attachment of the door hinge 113 to a base 103 of the household appliance 100. For this purpose, the fastening plate 117 is arranged on one of the main body opening 105 of the main body 103 facing the inside of the window ring 109. Here, the mounting plate 117 has a positioning pin 149 to position the door hinge 113 on the base body 103, and has a fixing member 151, in particular a fixing hook, to fix the door hinge 113 to the main body 103.

Fig. 6 shows a schematic view of a door with a door hinge in a sectional view according to a second embodiment. The appliance door 107 has a window ring 109 which receives and holds a window 111. On the window ring 109 is an in Fig. 6 not shown window frame 115 attached.

The window ring 109 has a first receiving element 123 and a second receiving element 125, wherein the first receiving element 123 has a first upper socket 153-1 and a first lower socket 153-2, and wherein the second receiving element 125 has a second upper socket 153-3 and a second lower sleeve 153-4.

In Fig. 6 a door hinge 113 is shown in a fixing position.

A first insertion member 119 of the door hinge 113 has a first centering pin 121 and a third centering pin 121-2, wherein the first centering pin 121 and the third centering pin 121-2 extend in opposite directions and in Fig. 6 are shown only schematically. A second insertion element 131 of the door hinge 113 has a second centering pin 133 and a fourth centering pin 133-2, wherein the second centering pin 133 and the fourth centering pin 133-2 extend in opposite directions and in Fig. 6 are shown only schematically.

In the fixing position of the door hinge 113, the first centering pin 121 is received in the first upper sleeve 153-1, the third centering pin 121-2 is received in the first lower sleeve 153-2, the second centering pin 133 is in the second, lower Socket 153-4 received, and the fourth centering pin 133-2 is received in the second, upper socket 153-3. In this case, the sockets 153-1, 153-2, 153-3, 153-4 may be formed as round and / or angular sockets 153-1, 153-2, 153-3, 153-4.

By the inclusion of a total of four centering pins 121, 121-2, 133, 133-2 in the corresponding sockets 153-1, 153-2, 153-3, 153-4, a particularly effective attachment of the door hinge 113 on the door 107 can be ensured become.

The movement, in particular the opening and closing of the appliance door 107, takes place by the rotation of the centering pins 121, 121-2, 133, 133-2 in the sockets 153-1, 153-2, 153-3, 153-4.

Fig. 7 shows a schematic view of a door with a door hinge in a sectional view according to a third embodiment. The appliance door 107 has a window ring 109, which is a in Fig. 7 not shown window 111 receives and holds. On the window ring 109 is an in Fig. 7 not shown window frame 115 attached.

The window ring 109 has a first receiving element 123 and a second receiving element 125, wherein the first receiving element 123 has a first recess 155, and wherein the second receiving element 125 has a second recess 155-2.

In Fig. 7 a door hinge 113 is shown in a centering position.

A first insertion element 119 of the door hinge 113 has a first centering pin 121 and a second insertion element 131 of the door hinge 113 has a second centering pin 133.

In the centering position of the door hinge 113, the first centering pin 121 is received in a first centering opening 135 of the first receiving element 123, the second centering pin 133 is received in a second centering opening 137 of the second receiving element 125.

The first receiving element 123 has a first sliding element 157-1 and the second receiving element 125 has a second sliding element 157-2, wherein the sliding elements 157-1, 157-2 are in this case designed in particular as ribs which extend transversely to the respective centering pin 121, 133 extend, wherein the ribs in this case reduce a contact surface between the respective receiving element 123, 125 and the respective centering pin 121, 133 in order to effectively transfer from the centering position in the in Fig. 7 Ensure not shown fixing position. By appropriate design of the rib structure, the abrasion can be reduced.

In the in Fig. 7 illustrated embodiment, the door hinge 113 is mounted without sockets. The movement of the door hinge 113 takes place directly in the respective recess 155, 155-2 of the window ring 109. Here, a corresponding design and selection of the respective materials of the window ring 109 and the centering pins 121, 133 is advantageous.

In order to ensure an effective transfer from the centering position to the fixing position, it is advantageous if the centering pins 121, 133 have no quirks, unevennesses and / or burrs. In order to avoid a tool split on the centering pins 121, 133, it is advantageous if the centering pins 121, 133 are produced with a slider.

In addition, in the fixing position, the door hinge 113 may be fastened to the window ring 109 by a clamping connection to ensure that the door hinge 113 does not fall out of the window ring 109 during assembly. The clamping connection can in particular be designed such that in the last insertion step of the door hinge 113 into the window ring 109, the respective centering pin 121, 133 pressed by an insertion rib in the window ring 109 and is held on the end faces of the centering pin 121, 133 by centering pins, so that the door hinge 113 does not slide out of the respective recesses 155, 155-2 when turning the window ring 109 for the further assembly steps.

That in the Fig. 7 shown door hinge 113 according to the third embodiment may further comprise a total of four centering pins 121, 121-2, 133, 133-2 according to the in Fig. 6 illustrated second embodiment, which can be inserted into corresponding centering openings 135, 135-2, 137, 137-2, to attach the door hinge 113 to the window ring 109.

Fig. 8 shows a schematic representation of a method for manufacturing a door of a household appliance. The appliance door 107 closes a main body opening 105 of a device housing 103 of the household appliance 100. The appliance door 107 consists of a window ring 109 and a door hinge 113. The window ring 109 comprises a plastic and the door hinge 113 comprises a further plastic, metal or mixtures thereof.

The method 200 for manufacturing a device door 107 comprises the following steps, forms 201 of the window ring 109 made of plastic, curing 203 of the window ring 109, insertion 205 of the first insertion element 119 into the first receiving element 123 and the second insertion element 131 into the second receiving element 125, and attaching 207 the door hinge 113 to the window ring 109th

All of the features explained and shown in connection with individual embodiments of the invention may be provided in different combinations in the article according to the invention in order to simultaneously realize their advantageous effects. The scope of the present invention is given by the claims and is not limited by the features illustrated in the specification or shown in the figures.

LIST OF REFERENCE NUMBERS

100

household appliance

101

dispenser tray

103

body

105

Body opening

107

door

109

window ring

111

window

113

door hinge

115

window frame

117

mounting plate

119

First insertion element

121

First centering pin

121-2

Third centering pin

123

First receiving element

125

Second receiving element

127

First receiving opening

129

Second receiving opening

131

Second insertion element

133

Second centering pin

133-2

Fourth centering pin

135

First centering opening

135-2

Third centering opening

137

Second centering hole

137-2

Fourth centering opening

139

fixing direction

141

First rib element

143

Second rib element

145

First fasteners

147

Other fasteners

149

positioning

151

fixing

153-1

First socket

153-2

Second socket

153-3

Third socket

153-4

Fourth socket

155

First deepening

155-2

Second deepening

157-1

First sliding element

157-2

Second sliding element

157-3

Third sliding element

157-4

Fourth sliding element

200

Method for producing a door of a household appliance

201

First step: forming the window ring

203

Second process step: curing of the window ring

205

Third method step: inserting the first insertion element into the first receiving element and the second insertion element into the second receiving element

207

Fourth step: Attaching the door hinge to the window ring

Claims (22)

Domestic appliance (100) having a base body (103), wherein the base body (103) has a base opening (105), and a device door (107) for closing the base opening (105), wherein the appliance door (107) comprises a window ring (109) Plastic for holding a window (111) and a door hinge (113) for holding the appliance door (107) on the base body (103), characterized in that
the window ring (109) has a first receiving element (123) and a second receiving element (125) for receiving the door hinge (113), and in that
the door hinge (113) has a first insertion element (119), which is insertable into the first receiving element (123), and a second insertion element (131), which is insertable into the second receiving element (125), in order to fix the door hinge (113) to attach to the window ring (109). Domestic appliance (100) according to claim 1, characterized in that the first receiving element (123) and the second receiving element (125) each have at least one recess (155, 155-2) which are formed in the window ring (109) to the to receive respective insertion element (119, 131). Domestic appliance (100) according to claim 1, characterized in that the first receiving element (123) and the second receiving element (125) each have at least one bushing (153-1, 153-2, 153-3, 153-4), in particular round and / or rectangular bushes (153-1, 153-2, 153-3, 153-4), which are fixed to the window ring (109) to receive the respective insertion element (119, 131). Domestic appliance (100) according to any one of the preceding claims, characterized in that the door hinge (113) by a non-positive or positive connection or clamping connection, in particular by a latching connection or clamping connection, on the window ring (109) can be fastened. Domestic appliance (100) according to one of the preceding claims, characterized in that the first receiving element (123) has a first receiving opening (127), and that the second receiving element (125) has a second receiving opening (129), wherein the first insertion element (119) is insertable into the first receiving opening (127), and wherein the second insertion element (131) in the second receiving opening (129) is insertable to position the door hinge (113) on the window ring (109). Domestic appliance (100) according to one of the preceding claims, characterized in that the first insertion element (119) of the door hinge (113) has a first centering pin (121), and that the second insertion element (131) of the door hinge (113) has a second centering pin (113). 133). Domestic appliance (100) according to claim 6, characterized in that the first centering pin (121) in a first centering opening (135) of the first receiving element (123) is insertable, and that the second centering pin (133) in a second centering opening (137) of the second receiving member (125) is insertable to position the door hinge (113) on the window ring (109) in a centering position. Domestic appliance (100) according to one of the preceding claims 1 to 5, characterized in that the first insertion element (119) of the door hinge (113) has a first centering pin (121) that the second insertion element (131) of the door hinge (113) has a second Centering pin (133), that the first insertion element (119) of the door hinge (113) has a third centering pin (121-2), and that the second insertion element (131) of the door hinge (113) has a fourth centering pin (133-2) , Domestic appliance (100) according to claim 8, characterized in that on the first insertion element (119) arranged first centering pin (121) and third centering pin (121-2) extend in opposite directions, and that on the second insertion element (131 ) second centering pin (133) and fourth centering pin (133-2) extend in opposite directions. Domestic appliance (100) according to claim 8 or 9, characterized in that the first centering pin (121) in a first centering opening (135) of the first receiving element (123) is insertable, that the second centering pin (133) in a second Centering opening (137) of the second receiving element (125) is insertable, that the third centering pin (121-2) in a third centering opening (135-2) of the first receiving element (123) is insertable, and that the fourth centering pin (133-2) in a fourth centering opening (137-2) of the second receiving element (125) is insertable to position the door hinge (113) on the window ring (109) in a centering position. Domestic appliance (100) according to claim 7 or 10, characterized in that the first and second insertion element (119, 131) from the centering position by a movement of the door hinge (113) in a fixing direction (139) are transferred to a fixing position to the door hinge (113) to be fixed to the window ring (109) in the fixing position. Domestic appliance (100) according to one of claims 6 to 11, characterized in that the first receiving element (123) has a first rib element (141), that the second receiving element (125) has a second rib element (143), wherein the first centering pin ( 121) is connectable to the first rib member (141), and wherein the second centering pin (133) is connectable to the second rib member (143) to secure the door hinge (113) to the window ring (109). Domestic appliance (100) according to claim 11 or 12, characterized in that the first receiving element (123) has a first sliding element (157-1) that the second receiving element (125) has a second sliding element (157-2), wherein the respective Sliding element (157-1, 157-2) is adapted to support a movement of the respective centering pin (121, 133) received in the respective receiving element (123, 125) from the centering position to the fixing position. Domestic appliance (100) according to claim 11 or 12, characterized in that the first receiving element (123) has a first sliding element (157-1) that the second receiving element (125) has a second sliding element (157-2) that the first Receiving element (123) has a third sliding element (157-3), and in that the second receiving element (125) has a fourth sliding element (157-4), wherein the respective sliding element (157-1, 157-2, 157-3, 157 -4) is formed, a movement of in the respective receiving element (123, 123-2, 125, 125-2) received respective Centering pin (121, 121-2, 133, 133-2) from the centering position to the fixing position. Domestic appliance (100) according to one of the preceding claims, characterized in that the first insertion element (119) and the second insertion element (131) on one of the base body opening (105) facing away from the outside of the window ring (109) are arranged. Domestic appliance (100) according to any one of the preceding claims, characterized in that the appliance door (107) has a window frame (115) which is connected to the window ring (109), wherein the window frame (115) facing away from the base opening (105) Outside of the window ring (109) is arranged circumferentially, and wherein the first and second insertion element (119, 131) in particular between the window ring (109) and the window frame (115) are arranged. Domestic appliance (100) according to claim 16, characterized in that the window ring (109) on the main body opening (105) facing away from the first connecting elements (145), and that the window frame (115) on one of the main body opening (105) facing the inside another Connecting elements (147), wherein the further connecting elements (147) with the first connecting elements (145) are connectable to connect the window frame (115) with the window ring (109). Domestic appliance (100) according to one of the preceding claims, characterized in that the door hinge (113) has a fastening plate (117) which is designed to fasten the door hinge (113) to the main body (103), wherein the fastening plate (117) is arranged on one of the main body opening (105) facing inside of the window ring (109). Domestic appliance (100) according to claim 18, characterized in that the mounting plate (117) has a positioning pin (149) which is adapted to position the door hinge (113) on the base body (103), or that the mounting plate (117) a Fixing element (151) which is formed, the Door hinge (113) to be fixed to the base body (103), wherein the fixing element (151) in particular comprises a fixing hook. Domestic appliance (100) according to one of the preceding claims, characterized in that the window ring (109) and the window frame (115) comprise a plastic, wherein the plastic in particular polypropylene, acrylonitrile-butadiene-styrene or mixtures thereof. Domestic appliance (100) according to any one of the preceding claims, characterized in that the door hinge (113) comprises a further plastic, metal or mixtures thereof, wherein the metal in particular comprises a zinc-iron alloy. A method of manufacturing a device door (107) of a domestic appliance (100), wherein the domestic appliance (100) has a base body (103), wherein the base body (103) has a base opening (105), wherein the appliance door (107) is formed The device door (107) has a window ring (109) made of plastic for holding a window (111) and a door hinge (113) for holding the appliance door (107) on the base body (103), wherein the Window ring (109) has a first receiving element (123) and a second receiving element (125) for receiving the door hinge (113), wherein the door hinge (113) has a first insertion element (119) which is insertable into the first receiving element (123) and wherein the door hinge (113) has a second insertion element (131) which can be inserted into the second receiving element (125), characterized in that the method (200) comprises the following steps au fweist,
Molds (201) of the window ring (109) made of plastic,
Curing (203) the window ring (109),
Inserting (205) the first insertion element (119) into the first receiving element (123) of the window ring (109) and the second insertion element (131) into the second receiving element (125) of the window ring (109), and
Attaching (207) the door hinge (113) to the window ring (109).

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