Door and domestic cooking device

Abstract

The invention relates to a door (3) for a domestic cooking device (1), comprising an outer pane (17), an inner pane (20), at least one intermediate pane (21, 22) arranged between the outer pane (17) and the inner pane (20), a pane checking device (24) which is rotatably mounted on the door (3) about a rotational axis (28), said pane checking device (24) pivoting about the rotational axis (28) from a starting position (AP) into a final position (EP) when the at least one intermediate pane (21, 22) is inserted in the direction of the outer pane (17), and a locking device (23) that is movably mounted on the door (3) and can be moved from an unlocked state (Z1), in which the locking device (23) is not in engagement with the inner pane (20), into a locked state (Z2), in which the locking device (23) at least partly surrounds the inner pane (20), wherein the locking device (23) can be moved from the unlocked state (Z1) into the locked state (Z2) only when the pane checking device (24) is in the final position (EP).

Description

[0001] The present invention relates to a door for a household cooking appliance and a household cooking appliance with such a door.

[0002] A household cooking appliance may have a cooking chamber with a door hinged to the cooking chamber. The door may have an inner pane facing the cooking chamber, an outer pane facing away from the cooking chamber, and an intermediate pane arranged between the inner and outer panes. In household cooking appliances with ventilated doors, it may be necessary to disassemble the door to clean the inner pane and the intermediate pane. Therefore, it is desirable for the door to be easy to disassemble.

[0003] EP 3 014 188 A2 describes a device for fastening a glass pane of a door for a household appliance, wherein the door comprises an outer pane, at least one intermediate pane and an inner pane.

[0004] Other relevant prior art doors are known from CN 104 106 983 A, EP 1 505 352 A2, CN 104 847 198 A, WO 2015 / 165499 A1 and EP 2 400 226 A1.

[0005] Against this background, it is an object of the present invention to provide an improved door for a household cooking appliance.

[0006] Accordingly, a door for a household cooking appliance is proposed. The door comprises an outer pane, an inner pane, at least one intermediate pane arranged between the outer pane and the inner pane, a pane inspection device mounted on the door for rotation about a rotation axis, wherein the pane inspection device is suitable for positioning and mounting the inner pane and the intermediate pane on the door, wherein the pane inspection device pivots about the rotation axis from an initial position to an end position upon insertion of the at least one intermediate pane toward the outer pane, a locking device mounted displaceably on the door, which is displaceable from an unlocked state, in which the locking device is disengaged from the inner pane, to a locked state, in which the locking device at least partially encompasses the inner pane,and at least one door support fixedly or detachably connected to the outer pane, wherein the locking device can only be moved from the unlocked state to the locked state when the pane inspection device is in the end position. The locking device is displaceably mounted on the at least one door support, wherein the locking device can be moved along the at least one door support from the unlocked state to the locked state, and wherein the locking device comprises a locking portion which, in the locked state, positively engages the pane inspection device. Because the locking device can only be moved from the unlocked state to the locked state when the pane inspection device is in the end position, it is possible to automatically check whether the intermediate pane is correctly installed. If multiple intermediate panes are provided,It can be checked whether one of the intermediate discs is missing. If the intermediate disc is not installed, or the intermediate discs are not installed, the disc checking device will not be pivoted from its initial position to its final position, so that the locking device cannot be moved from the unlocked state to the locked state. This enables an automated check to determine whether the intermediate disc is correctly installed.

[0007] In particular, all intermediate panes are required to reach the end position. This means that the pane testing device cannot be moved into the end position as long as one of the intermediate panes is missing. The household cooking appliance can be a stove, an oven, a microwave combination oven, a double oven or the like. Preferably, the household cooking appliance comprises a cooking chamber to which the door is hinged, for example, so as to be pivotable. Hinges can be provided for this purpose. The hinges can be coupled to a door support of the door. However, this is not absolutely necessary. Alternatively, the door can also be arranged on a baking trolley or the like that can be pulled out of the cooking chamber. In this case, the door is not hinged to the cooking chamber but can be moved linearly relative to it.

[0008] According to the invention, the door comprises at least one door support. The door support is arranged in particular between the inner pane and the outer pane. The door support is in particular firmly connected to the outer pane. Preferably, two door supports are provided, namely a first door support and a second door support, which are firmly connected to the outer pane. The door supports are attached laterally to the outer pane and, when the door is closed, run along a y-direction or vertical direction of the household cooking appliance or the door. The door supports are attached to the back of the outer pane, for example, glued to it. The pane inspection device can be rotatably mounted on one of the door supports. However, the pane inspection device can also be rotatably mounted on any other component of the door. Preferably, the axis of rotation is oriented parallel to the vertical direction. This means that the axis of rotation is positioned vertically.However, the rotation axis can also be oriented parallel to an x-direction or width direction of the household cooking appliance or the door. In this case, the rotation axis is positioned horizontally. Preferably, the locking device is also mounted on the door support. However, the locking device can also be mounted on any other component of the door.

[0009] The door is preferably removable from the cooking chamber so that the door can be disassembled and reassembled in its removed state from the cooking chamber. Furthermore, the door can also be disassembled and reassembled while mounted on the cooking chamber. The pane checking device is suitable for positioning the inner pane and the intermediate pane on the door and thus mounting them. The door can also be disassembled again using the pane checking device. The pane checking device can also be referred to as an assembly and disassembly device. The pane checking device can also be referred to as a pane holder or pane holder device. The locking device can also be referred to as a sliding cap or sliding cap device.

[0010] The outer pane, the inner pane and the intermediate pane are preferably transparent at least in sections. The number of intermediate panes is fundamentally arbitrary. For example, one intermediate pane can be provided. However, two intermediate panes or three intermediate panes can also be provided. The intermediate pane or panes can be made of glass, a sol-gel, a polycarbonate or the like. Alternatively, the intermediate pane or panes can be designed as a screen made of metal, non-ferrous metal or plastic. When the intermediate pane is inserted towards the outer pane, the intermediate pane is placed in particular on the pane testing device, causing it to rotate about the axis of rotation. This moves the pane testing device from its starting position to its end position.An intermediate position of the disc testing device can be provided between the starting position and the end position.

[0011] The fact that the locking device is "disengaged" from the inner pane in the unlocked state means, in this case, that the locking device does not hold the inner pane in the unlocked state and, in particular, does not contact it. The fact that the locking device "engages" the inner pane at least in part in the locked state means, in this case, that the locking device contacts the inner pane and, in particular, is in positive engagement with it. A positive connection is created by the interlocking or engaging of two connection partners, in this case the inner pane and the locking device. For this purpose, the locking device can have a pocket-shaped engaging portion that can engage around an upper edge of the inner pane.

[0012] The door further comprises at least one door support that is fixedly or detachably connected to the outer pane.

[0013] A "fixed" connection in this case can be understood as a positive connection, a force-fit connection, or a material connection. For example, the door carrier is glued, screwed, or suspended from the outer pane. However, "fixed" does not preclude the possibility of the connection being separable. For example, a positive connection can be released again without damaging the door carrier or the outer pane. As previously mentioned, two door carriers are preferably provided, arranged laterally on the outer pane.

[0014] According to a further embodiment, the window inspection device is mounted on the at least one door support so as to be rotatable about the axis of rotation.

[0015] However, as previously mentioned, the window inspection device can also be mounted on any other component of the door so that it can rotate about the axis of rotation.

[0016] The locking device is slidably mounted on at least one door support.

[0017] However, the locking device can also be mounted on any other component of the door.

[0018] The locking device is displaceable along the at least one door support from the unlocked state to the locked state.

[0019] The locking device performs a linear movement along the door carrier.

[0020] According to a further embodiment, the at least one door carrier is glued to the outer pane.

[0021] This ensures a reliable connection between the door support and the outer pane.

[0022] According to a further embodiment, the at least one door support is made of a plastic material.

[0023] Alternatively, the door carrier can also be made of metal. For example, the door carrier is made of acrylonitrile butadiene styrene (ABS), in particular fiber-reinforced ABS. Alternatively, any other plastic material can be used. By using a plastic material for the door carrier, it can be manufactured cost-effectively as an injection-molded plastic component. The window inspection device and the locking device can also be designed as plastic components. Preferably, the window inspection device and the locking device are also designed as injection-molded plastic components.

[0024] According to a further embodiment, the door comprises a first door carrier and a second door carrier, each door carrier comprising a window checking device and a locking device.

[0025] In particular, the two locking devices and the two window inspection devices are provided on an upper edge of the door. In particular, each window inspection device is assigned a locking device.

[0026] According to one embodiment, the disc testing device comprises a spring element which spring-loads the disc testing device in the direction of the starting position.

[0027] In the starting position, the spring element is, in particular, almost relaxed or force-free. However, the spring element is minimally preloaded, so that the window inspection device is held in the starting position. The window inspection device can be moved from the starting position to the end position via one or more intermediate positions. When the door is assembled, the window inspection device is in its end position. In this end position, the spring element is maximally preloaded. The fact that the spring element "spring-preloads" the window inspection device toward the starting position means that the window inspection device can be moved from the starting position to the end position by applying a force, namely by placing the intermediate window in place.As soon as the force is no longer applied, i.e., as soon as the intermediate disc no longer rests on the disc testing device, the disc automatically returns from its end position to its starting position. The spring element is typically a leg spring or torsion spring. The spring element can also be a leaf spring. The spring element is particularly suitable for applying a torque to the rotation axis.

[0028] The locking device comprises a locking portion which, in the locked state, positively engages the window testing device.

[0029] The locking section is particularly bar-shaped or web-shaped. As soon as the locking device is in the locked state, the locking section blocks the disc inspection device such that it can no longer be rotated about the rotation axis. This means that as soon as the locking device is in the locked state, the disc inspection device can no longer be moved from the end position back to the starting position.

[0030] According to a further embodiment, the disc testing device comprises a plurality of arms, wherein the at least one intermediate disc rests on one of the arms when it is inserted in the direction of the outer disc, so that the disc testing device pivots about the axis of rotation.

[0031] By placing the intermediate disc on the respective arm, the disc testing device pivots around the axis of rotation, tensioning the spring element.

[0032] According to a further embodiment, the locking portion engages around or behind one of the arms in the locked state.

[0033] In this case, "engaging around" or "engaging behind" means that the locking section, in the locked state, blocks the respective arm by means of a positive engagement, so that the rotational movement of the disc testing device about the rotation axis is blocked.

[0034] According to a further embodiment, the door comprises a first intermediate pane and a second intermediate pane, wherein the first intermediate pane is arranged between the outer pane and the second intermediate pane, wherein the second intermediate pane is arranged between the inner pane and the first intermediate pane, wherein the pane testing device pivots about the rotation axis from the starting position into an intermediate position when the first intermediate pane is inserted in the direction of the outer pane, and wherein the pane testing device pivots about the rotation axis from the intermediate position into the end position when the second intermediate pane is inserted in the direction of the outer pane.

[0035] The intermediate position is optional. If only one intermediate disc is provided, the disc testing device is moved from the starting position to the end position by placing the one intermediate disc.

[0036] According to a further embodiment, the axis of rotation is oriented parallel to a y-direction of the door or parallel to an x-direction of the door.

[0037] In the first case, the rotation axis is vertical. In the second case, the rotation axis is horizontal. As mentioned previously, the y-direction can also be referred to as the vertical direction, and the x-direction can also be referred to as the horizontal direction.

[0038] Furthermore, a household cooking appliance with a cooking chamber and a door hinged on the cooking chamber is proposed.

[0039] The household cooking appliance can, as previously mentioned, be a stove, an oven, a microwave combination oven, a double oven, or the like. "Hinged" in this context means that the door is connected to the cooking chamber, for example, so that it can pivot vertically or horizontally. Alternatively, the door can also be mounted on a baking trolley that can be moved out of the cooking chamber. In this case, the door is not pivotally mounted on the cooking chamber, but can be displaced or moved linearly relative to it. However, the door can perform any desired movement when opened.

[0040] Further advantageous configurations and aspects of the door and / or the household cooking appliance are the subject of the dependent claims and the exemplary embodiments of the door and / or the household cooking appliance described below. The door and / or the household cooking appliance are explained in more detail below using preferred embodiments with reference to the accompanying figures. Fig. 1 shows a schematic perspective view of an embodiment of a household cooking appliance; Fig. 2 shows a schematic perspective partial view of an embodiment of a door for the household cooking appliance according to Fig. 1 ; Fig. 3 shows view III according to Fig. 2 ; Fig. 4 shows a further schematic perspective partial view of the door according to Fig. 2 ; Fig. 5 shows view V according to Fig. 4 ; Fig. 6 shows a further schematic perspective partial view of the door according to Fig. 2 ; Fig. 7 shows view VII according to Fig. 6 ; Fig. 8 shows a further schematic perspective partial view of the door according to Fig. 2 ; and Fig. 9 shows view IX according to Fig. 8 .

[0041] In the figures, identical or functionally equivalent elements have been given the same reference numerals unless otherwise stated.

[0042] The Fig. 1 shows a schematic perspective view of an embodiment of a household cooking appliance 1. The household cooking appliance 1 can be a stove, an oven, a microwave combination oven, a double oven, or the like. The household cooking appliance 1 has a cooking chamber 2, which can be closed by means of a door 3. The cooking chamber 2 can also be referred to as a muffle or oven muffle. The cooking chamber 2 can be arranged inside a housing of the household cooking appliance 1. The door 3 is in the Fig. 1 shown in a closed position. The door 3 can be closed or opened by pivoting about a pivot axis provided at a lower end of the door 3 or a lower edge 4 of the door 3. Alternatively, the door 3 can be hinged laterally on the cooking chamber 2. Furthermore, the door 3 can be arranged on a baking carriage that can be pulled out of the cooking chamber 2. However, the type of movement of the door 3 when the door 3 is opened can be freely selected. This means that the door 3 can, in principle, perform any movement when it is opened.

[0043] A handle 6 can be provided on an upper section or on an upper edge 5 of the door 3. The cooking chamber 2 has a floor 7, a ceiling 8 arranged opposite the floor 7, a rear wall 9 arranged opposite the closed door 3, and two side walls 10, 11 arranged opposite one another. The cooking chamber 2 is preferably cuboid or cube-shaped. The cooking chamber 2 can be made of a metal material, in particular of sheet steel.

[0044] The household cooking appliance 1 further comprises control knobs 13, 14 provided on a switch panel or control panel 12. The control knobs 13, 14 can, for example, be rotatable. A control device 15, shown only schematically, for controlling the household cooking appliance 1 can be provided on the back of the control panel 12. The control device 15 can be a regulating and / or control device. A display 16 can also be provided on the control panel 12. The display 16 can be used to indicate an operating state of the household cooking appliance 1. For example, the display 16 can be used to display a temperature set using one of the control knobs 13, 14.

[0045] The household cooking appliance 1 can be pyrolytically capable. This means that the cooking chamber 2 can be burned out using a sufficiently high temperature. Any dirt adhering to the inside of the cooking chamber 2 and the door 3 is carbonized, so that it either falls off on its own or can be easily removed. However, this pyrolysis function is not mandatory. The door 3 is a ventilated door. This means that an air flow is directed through the door 3.

[0046] The household cooking appliance 1 or the door 3 is assigned a coordinate system with a width direction or x-direction x, a height direction or y-direction y and a depth direction or z-direction z. The directions x, y, z are oriented perpendicular to one another. The door 3 comprises an outer pane 17 which lies in a plane spanned by the x-direction x and the y-direction y. A first door support 18 and a second door support 19 are attached to the rear of the outer pane 17, i.e. facing the cooking chamber 2. The door supports 18, 19 run along the y-direction y when the door 3 is closed. The door supports 18, 19 are preferably glued to the rear of the outer pane 17. The door supports 18, 19 are made of a plastic material. Hinges not shown can be attached to the door supports 18, 19 so that the door 3 can be pivoted onto the cooking chamber 2.

[0047] The Fig. 2 shows a schematic perspective partial view of an embodiment of a door 3 as mentioned above. The Fig. 3 shows view III according to the Fig. 2 . The following refers to the Fig. 2 and 3 referred to at the same time.

[0048] The door 3 comprises, as previously mentioned, the outer pane 17, on the rear of which the door supports 18, 19, of which in the Fig. 2 and 3only the first door support 18 is shown. In addition to the outer pane 17, the door 3 comprises an inner pane 20 facing the cooking chamber 2. A first intermediate pane 21 and a second intermediate pane 22 are provided between the outer pane 17 and the inner pane 20. The number of intermediate panes 21, 22 is fundamentally arbitrary. The first intermediate pane 21 is arranged closer to the outer pane 17 than the second intermediate pane 22. Accordingly, the second intermediate pane 22 is arranged closer to the inner pane 20 than the first intermediate pane 21. The inner pane 20 is held by a locking device 23 which can be moved along the first door support 18. The locking device 23 can also be referred to as a sliding cap.

[0049] During operation of the household cooking appliance 1, particularly in pyrolysis mode, air circulates between the outer pane 17 and the first intermediate pane 21, as well as between the first intermediate pane 21 and the second intermediate pane 22. A stationary air cushion is provided between the second intermediate pane 22 and the inner pane 20. This serves as thermal insulation. However, this stationary air cushion is not absolutely necessary. Dirt can accumulate on the intermediate panes 21, 22, the inner pane 20, and / or on the outer pane 17. Therefore, as explained below, a user can remove the inner pane 20 and the intermediate panes 21, 22 from the door 3 for cleaning.

[0050] The Fig. 4 shows a further schematic perspective partial view of the door 3 according to the Fig. 2 . The Fig. 5 shows view V according to the Fig. 4 . The following refers to the Fig. 4 and 5 referred to at the same time.

[0051] For mounting and dismounting the inner pane 20 and the intermediate panes 21, 22, the door 3 comprises a pane inspection device 24. The pane inspection device 24 is suitable for positioning the inner pane 20 and the intermediate panes 21, 22 on the door 3 and thus mounting them or checking whether the intermediate panes 21, 22 are mounted or not. The door 3 can also be dismounted again using the pane inspection device 24. The pane inspection device 24 can also be referred to as an assembly and dismounting device. The pane inspection device 24 can also be referred to as a pane holder or pane holder device. The pane inspection device 24 is firmly connected to the door 3, in particular firmly connected to the first door support 18. Preferably, one such pane inspection device 24 is provided on each door support 18, 19. However, only one pane inspection device 24 will be discussed below.

[0052] The window inspection device 24 comprises a first arm 25, a second arm 26, and a third arm 27. The arms 25 to 27 are fixedly connected to one another. The window inspection device 24 further comprises a rotation axis 28, about which the window inspection device 24 is pivotably mounted on the first door support 18. However, the window inspection device 24 does not have to be rotatably mounted on the first door profile 18. The window inspection device 24 can also be rotatably mounted on any other component of the door 3 about the rotation axis 28. The arms 25 to 27 are fixedly connected to the rotation axis 28. In particular, the arms 25 to 27 and the rotation axis 28 form a single component. "Single-piece" or "one-piece" means in this case that the window inspection device 24 is not composed of several individual components, but rather that the arms 25 to 27 and the rotation axis 28 form a single component.The third arm 27 serves in particular for the fastening and attachment or positioning of a damping element or buffer, which will be explained below. The damping element or buffer can be integrated into a soft component. This means that the third arm 27 itself can be made of a soft component.

[0053] In particular, the arms 25 to 27 and the rotation axis 28 form a single-piece component. "Single-piece" in this case means that the arms 25 to 27 and the rotation axis 28 are made entirely of the same material. The third arm 27 can alternatively also be made of a different material, in particular of a silicone rubber or another soft component. For example, the window inspection device 24 is a plastic injection-molded component. The first arm 25 and the second arm 26 are attached to the rotation axis 28 in such a way that the arms 25, 26, in the view according to the Fig. 5 form a U-shaped or C-shaped geometry. The third arm 27 is positioned next to the arms 25, 26, viewed along the rotation axis 28.

[0054] The second arm 26 comprises a first damping element 29 facing the first arm 25 and a second damping element 30 facing away from the first arm 25. The damping elements 29, 30 are cuboid-shaped or block-shaped. The second arm 26 is arranged between the damping elements 29, 30. Instead of two damping elements 29, 30, a single continuous damping element can also be provided.

[0055] The damping elements 29, 30 can be made of a different material than the second arm 26. For example, the damping elements 29, 30 are made of a thermoplastic elastomer (TPE), in particular a thermoplastic polyurethane (TPU). For this purpose, the window inspection device 24 can be manufactured, for example, using a two-component plastic injection molding process. A third damping element 31, which faces the second arm 26, and a fourth damping element 32, which faces away from the second arm 26, are assigned to the third arm 27. The damping elements 31, 32 can be made of a different material than the third arm 27. For example, the damping elements 31, 32 are made of a TPE, in particular a TPU. Instead of two damping elements 31, 32, a single continuous damping element can also be provided. An insertion bevel 33 is provided on the third damping element 31.The damping elements 29 to 32 can also be made of a silicone rubber, for example, a so-called liquid silicone rubber (LSR), an HTV silicone, or an RTV silicone. The damping elements 29 to 32 function as spacers. Therefore, the damping elements 29 to 32 can also be referred to as spacers or spacer elements.

[0056] The window inspection device 24 is assigned a spring element 34, in which the rotational axis 28 is at least partially accommodated. The spring element 34 can be part of the window inspection device 24. The spring element 34 can be a helical spring or a leaf spring. In particular, the spring element 34 is a leg spring. The spring element 34 is a torsion spring. This means that the spring element 34 can generate a torque acting on the rotational axis 28. The spring element 34 preloads the window inspection device 24 relative to the first door carrier 18 in such a way that the window inspection device 24 is in a Fig. 4 and 5shown starting position AP. In the starting position AP, the spring element 34 is almost relaxed. However, in the starting position AP, the spring element 34 has a minimal preload, so that the window inspection device 24 remains in the starting position AP. A support section 35 is provided on the first door support 18, on which the first intermediate window 21 can rest.

[0057] Now returning to the locking device 23, this can be done by a Fig. 4 bis 9 shown unlocked state Z1, in which the locking device 23 does not engage around the inner pane 20 and is also not in contact with it, into a Fig. 2 and 3shown locked state Z2, in which the locking device 23 engages around the inner pane 20 and thus secures it to the door 3. For this purpose, the locking device 23 can be displaced along the first door support 18. In the locked state Z2, the locking device 23 is latched to the first door support 18, so that the locking device 23 cannot automatically move from the locked state Z2 to the unlocked state Z1. To move the locking device 23 from the locked state Z2 to the unlocked state Z1, a button (not shown) must first be actuated, which unlocks the locking device 23 so that it can be displaced along the first door support 18.

[0058] The locking device 23 is preferably a one-piece, in particular a single-material, plastic component, in particular an injection-molded plastic component. The locking device 23 comprises a pocket-shaped gripping section 36, which, in the locked state Z2, grips around an upper edge 37 of the inner pane 20. Furthermore, the locking device 23 comprises a rod-shaped or strip-shaped locking section 38, which, as will be explained below, interacts with the pane inspection device 24.

[0059] The Fig. 6 shows another schematic perspective partial view of the door 3. The Fig. 7 shows view VII according to the Fig. 6 . The Fig. 8 shows another schematic perspective partial view of the door 3. The Fig. 9 shows view IX according to the Fig. 8 . The following is based on the Fig. 2 bis 9 the functionality of the disc testing device 24 is explained.

[0060] First, the disc testing device 24 is located in the Fig. 4 and 5 shown starting position AP. The locking section 38 is blocked by the window inspection device 24 in such a way that the locking device 23 cannot be moved from the unlocked state Z1 to the locked state Z2. The locking device 23 can only be inserted into the first door carrier 18 until the locking section 38 abuts the window inspection device 24.

[0061] As in the Fig. 6 and 7 As shown, the first intermediate disc 21 is inserted in an insertion direction E in the direction of the outer disc 17. The first intermediate disc 21 rests against the first arm 25, whereby the disc testing device 24 is moved out of the Fig. 4 and 5 shown starting position AP into a position in the Fig. 6 and 7shown intermediate position ZP and thereby engages around the first intermediate disc 21. In doing so, the spring element 34 is tensioned. The disc testing device 24 is rotated counterclockwise until the first intermediate disc 21 rests on the support section 35. The disc testing device 24 continues to block the locking section 38, so that the locking device 23 cannot be inserted into the first door carrier 18.

[0062] Then, as in the Fig. 8 and 9shown, the second intermediate disk 22 is inserted in the insertion direction E in the direction of the outer disk 17. The insertion of the second intermediate disk 22 is facilitated by the insertion bevel 33. During the insertion of the second intermediate disk 22, the second intermediate disk 22 comes to rest on the second damping element 30 of the second arm 26 such that the disk testing device 24 moves from the intermediate position ZP to an end position EP in which the second arm 26 is arranged between the first intermediate disk 21 and the second intermediate disk 22. The second intermediate disk 22 is also encompassed by the disk testing device 24 when it is moved from the intermediate position ZP to the end position EP. The first damping element 29 rests against the first intermediate disk 21, and the second damping element 30 rests against the second intermediate disk 22. The damping elements 29, 30 can be compressed in the process.Furthermore, the third arm 27 is also pivoted such that the second intermediate disc 22 is arranged between the second arm 26 and the third arm 27.

[0063] In the end position EP, the pane checking device 24 no longer blocks the locking section 38 of the locking device 23, so that the user can move the locking device 23 from the unlocked state Z1 to the locked state Z2. However, since the inner pane 20 is obviously missing, it is clear to the user that the inner pane 20 must first be placed on the door 3 before the locking device 23 can be moved from the unlocked state Z1 to the locked state Z2. With the help of the interaction of the locking device 23 and the pane checking device 24, an automated check is thus possible to determine whether the intermediate panes 21, 22 are correctly installed.

[0064] Finally, as in the Fig. 2and 3 shown, the inner pane 20 is placed on the third arm 27, in particular on the fourth damping element 32. The third arm 27 can deform elastically in such a way that the third damping element 31 rests against the second intermediate pane 22 and the fourth damping element 32 rests against the inner pane 20. The damping elements 31, 32 can be compressed in the process. The third arm 27 is optional. The function of the third arm 27 is to receive and position the damping elements 31, 32 between the second intermediate pane 22 and the inner pane 20. During assembly of the inner pane 20, the damping elements 31, 32 are compressed. After assembly of the inner pane 20, the locking device 23 is pushed into the first door carrier 18 so that the locking device 23 fixes the inner pane 20 and presses it against the fourth damping element 32.

[0065] The locking device 23 partially encompasses the inner pane 20. The locking section 38 fixes the pane inspection device 24 in the end position EP. For this purpose, the locking section 38 engages behind the third arm 27. The locking section 38 thus engages positively with the pane inspection device 24. A positive connection is created by the interlocking or engaging of two connection partners, in this case the locking section 38 and the pane inspection device 24.

[0066] The advantages of door 3 are explained below. The interaction of the locking device 23 and the pane testing device 24 enables a simple and automated check to determine whether the intermediate panes 21, 22 are correctly installed. If only one intermediate pane 21, 22 is missing, it is not possible to move the locking device 23 from the unlocked state Z1 to the locked state Z2. The locking device 23 is advantageously captively connected to the first door support 18. The door 3 cannot be fully closed until the locking device 23 is in the locked state Z2. This indicates to the user that the door 3 is not fully installed. Since such a locking device 23 is provided on both door supports 18, 19, they can also be operated separately. This simplifies handling. Furthermore, double security is possible.The locking device 23 can be operated without tools. This means that door 3 can also be disassembled and assembled without tools.

[0067] The door 3 can be disassembled and assembled both when attached to the cooking chamber 2 and when removed from the cooking chamber 2. Increased operational reliability can be achieved with the aid of the locking device 23. The use of two intermediate panes 21, 22 provides better thermal insulation, preventing thermal overload of the adhesive used to bond the door supports 18, 19 to the outer pane 17, as well as the plastic parts of the door 3, in particular the door supports 18, 19, the locking device 23, and the pane checking device 24. The locking device 23 and the pane checking device 24 are captively connected to the door 3. Reference symbols used:

[0068] 1 Household cooking appliance 2 Cooking chamber 3 Door 4 Bottom edge 5 Top edge 6 Handle 7 Floor 8 Ceiling 9 Rear wall 10 Side wall 11 Side wall 12 Control panel 13 Control knob 14 Control knob 15 Control device 16 Display 17 Outer pane 18 Door support 19 Door support 20 Inner pane 21 Intermediate pane 22 Intermediate pane 23 Locking device 24 Pane checking device 25 Arm 26 Arm 27 Arm 28 Rotation axis 29 Damping element 30 Damping element 31 Damping element 32 Damping element 33 Insertion bevel 34 Spring element 35 Support section 36 Gripping section 37 Top edge 38 Locking section APStarting position EInsertion direction EPEnd position xx-direction yy-direction zz-direction ZPIntermediate position Z1unlocked state Z2locked state

Claims

1. Door (3) for a household cooking appliance (1) having an outer pane (17), an inner pane (20), at least one intermediate pane (21, 22) that is arranged between the outer pane (17) and the inner pane (20), at least one door beam (18, 19) that is fixedly or detachably connected to the outer pane (17), a pane checking facility (24) that is mounted on the door (3) so as to be rotatable about a pivot axis (28), wherein the pane checking facility (24) is suitable for positioning and thus mounting the inner pane (20) and the intermediate pane (21, 22) on the door (3), wherein as the at least one intermediate pane (21, 22) is being inserted in the direction of the outer pane (17) the pane checking facility (24) pivots about the pivot axis (28) from a starting position (AP) into an end position (EP), characterised by a locking facility (23) that is mounted so as to be displaceable on the door (3) and that can be displaced from an unlocked state (Z1), in which the locking facility (23) is out of engagement with the inner pane (20), into a locked state (Z2), in which the locking facility (23) engages around the inner pane (20) at least in sections, wherein the locking facility (23) can only be displaced from the unlocked state (Z1) into the locked state (Z2) if the pane checking facility (24) is located in the end position (EP), wherein the locking facility (23) is mounted so as to be displaceable on the at least one door beam (18, 19), wherein the locking facility (23) can be displaced along the at least one door beam (18, 19) from the unlocked state (Z1) into the locked state (Z2) and wherein the locking facility (23) comprises a locking section (38) that in the locked state (Z2) engages in a positive-locking manner into the pane checking facility (24).

2. Door according to claim 1, characterised in that the pane checking facility (24) is mounted on the at least one door beam (18, 19) so as to be rotatable about the pivot axis (28).

3. Door according to claim 1 or 2, characterised in that the at least one door beam (18, 19) is adhesively bonded to the outer pane (17).

4. Door according to one of claims 1 - 3, characterised in that the at least one door beam (18, 19) is produced from a plastic material.

5. Door according to one of claims 1 - 4, characterised by a first door beam (18) and a second door beam (19), wherein each door beam (18, 19) comprises a pane checking facility (24) and a locking facility (23).

6. Door according to one of claims 1 - 5, characterised in that the pane checking facility (24) comprises a spring element (34) that prestresses the pane checking facility (24) in the direction of the starting position (AP).

7. Door according to one of claims 1 - 6, characterised in that the pane checking facility (24) comprises multiple arms (25 - 27), wherein the at least one intermediate pane (21, 22) lies on one of the arms (25 - 27) as the intermediate pane is being inserted in the direction of the outer pane (17) with the result that the pane checking facility (24) pivots about the pivot axis (28).

8. Door according to claim 7, characterised in that in the locked state (Z2) the locking section (38) engages around or engages behind one of the arms (25 - 27).

9. Door according to one of claims 1 - 8, characterised by a first intermediate pane (21) and a second intermediate pane (22), wherein the first intermediate pane (21) is arranged between the outer pane (17) and the second intermediate pane (22), wherein the second intermediate pane (22) is arranged between the inner pane (20) and the first intermediate pane (21), wherein as the first intermediate pane (21) is being inserted in the direction of the outer pane (17) the pane checking facility (24) pivots about the pivot axis (28) from the starting position (AP) into an intermediate position (ZP), and wherein as the second intermediate pane (22) is being inserted in the direction of the outer pane (17) the pane checking facility (24) pivots about the pivot axis (28) from the intermediate position (ZP) into the end position (EP).

10. Door according to one of claims 1 - 9, characterised in that the pivot axis (28) is oriented parallel to a y-direction (y) of the door (3) or parallel to an x-direction (x) of the door (3).

11. Household cooking appliance (1) having a cooking compartment (2) and a door (3) that is fastened to the cooking compartment (2) according to one of claims 1 - 10.

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