DE102017103392A1 - Cooking appliance - Google Patents

Abstract

The present invention relates to a cooking appliance (1) with a heated cooking chamber (11) and with a cooking chamber door (21) for closing a feed opening (31) of the cooking chamber (11) and with a ventilation opening (2) for ventilating the cooking chamber (11). For automated closing and / or opening of the ventilation opening (2), a closure element (3) can be moved by an actuating device (4). At least when the ventilation opening (2) is open, the closure element (3) extends with at least one partial section (6) above the ventilation opening (2). The partial section (6) is equipped with a toothed section (15), so that the closure element (3) can be moved by a toothed rack device (5) of the actuating device (4).

Description

The present invention relates to a cooking appliance with at least one heatable cooking chamber and at least one cooking chamber door for closing a feed opening of the cooking chamber and with at least one ventilation opening for ventilating the cooking chamber.

For an economical and energy-efficient operation of a cooking appliance and to achieve optimum cooking results, it is advantageous to flush the oven with different amounts of air. In addition, a regulation of the air flow rate is very advantageous if a catalyst device for reducing fatty and odorous substances of the exhaust air or Wrasens is provided.

The known in the art ventilation flaps usually either do not allow different Garraumdurchspülungen or are structurally designed very expensive and are therefore more expensive and usually prone to failure. In addition, the known solutions often require a lot of space.

It is therefore the object of the present invention to provide a cooking appliance with an improved possibility for ventilation of the cooking chamber. The possibility for ventilation of the cooking chamber should preferably take up very little installation space and, in particular, should also have fewer movement tolerances. Preferably, the possibility for ventilation of the cooking chamber should also be particularly inexpensive or economically feasible.

This object is achieved by a cooking appliance with the features of claim 1. Preferred features are the subject of the dependent claims. Further advantages and features will become apparent from the general description of the invention and the description of the embodiments.

The cooking appliance according to the invention comprises at least one heatable cooking chamber and at least one cooking chamber door for closing a feed opening of the cooking chamber. The cooking appliance comprises at least one ventilation opening for ventilating the cooking chamber. For automated closing and / or opening of the ventilation opening, at least one closure element can be moved by at least one actuating device. At least when the ventilation opening is open, the closure element extends with at least one section above the ventilation opening. The partial section is equipped with at least one toothed section, so that the closure element can be moved by a toothed rack device of the actuating device.

The cooking appliance according to the invention offers many advantages. The subsection and its toothed section, which can be positioned above the ventilation opening, offer a considerable advantage. As a result, the components provided for the ventilation of the cooking chamber can be accommodated in a manner that saves space in particular. At the same time the operation can be done with very low movement tolerances. With the cooking appliance according to the invention different positions of the closure element can be set structurally inexpensive and at the same time very reliable.

In particular, the closure element comprises at least one cover section, which is designed for at least partially closing the ventilation opening and which adjoins the section. In particular, the closure element is provided by the lid portion and the portion. The section but also provide the cover portion or include this. Particularly preferred lid portion and portion are formed integrally. For example, cover portion and portion are provided by a common sheet metal part and / or molded part. However, the closure element may also be formed in two parts or in several parts. Then the section is attached in particular to the cover section or vice versa. The subsection may also be an actuating element of the closure element, for example a lever or the like.

Particularly preferably, at least one recess is arranged in the subsection, so that the subsection can be flowed through. As a result, a particularly large opening cross-section of the ventilation opening is achieved in spite of resting over the ventilation opening portion. Preferably, the recess extends at least over half or at least three quarters or more of the subsection. The recess may also be smaller.

It is likewise particularly preferred that the toothed section extends at least in sections along the recess. As a result, the toothed section can be accommodated in a manner that saves space in particular. Preferably, the entire toothed section extends along the recess. A part of the toothed section can also run outside the recess. The toothing section runs in particular along at least one side of the recess. The toothing section can also be arranged along two or more sides or longitudinal edges of the recess. The toothed section can also run along the entire recess.

The recess is particularly preferably fully closed. Such Recess really auspicious on the stability of the subsection. In particular, the recess is formed as a slot. Preferably, the closure element, in particular the subsection, surrounds the recess completely. But it is also possible that the recess has at least one partially open circumference or is partially open.

Preferably, the toothed portion extends at least in sections on an inner side of the recess and particularly preferably on an inner side of the fully closed recess. By such a configuration, a particularly low movement tolerance is achieved. Thus, a guide of the closure element is possible by a gear engaging in the toothed portion, since the portion engages around the gear on at least two sides. In particular, the width of the recess is tuned to a dimension of an engaging in the toothed portion gear or vice versa. However, the toothed section can also run at least in sections on an outer side of the recess or outside the recess. For example, the toothed section can run on an edge of the recess.

It is possible that a bearing surface for the gear is provided on the inside of the recess opposite the toothed section. The contact surface can be provided for example by a fold and / or by a collar of a plastic insert. Thus, a removal of the toothed portion from the gear is effectively avoided.

In particular, the recess is formed as a slot with two opposite longitudinal sides. The toothed section extends in particular at least in sections along one of the two longitudinal sides. Thus, for a given length of the subsection, the largest possible travel of the closure element is achieved. However, the toothing section can also run at least in sections along both longitudinal sides and / or along at least one broad side.

It is preferred that the toothed portion is at least partially integrally formed in the subsection. For example, the toothed section can be punched, pushed, milled and / or produced by other suitable shaping methods or removal methods. The partial section and the toothed section are in particular formed in one piece and are provided, for example, by a common sheet metal part or molded part. Such a configuration provides a particularly inexpensive to produce and at the same time robust toothing section.

It is also preferred that the toothed section is provided at least partially by at least one plastic insert inserted into the recess. The plastic insert has in particular at least one toothing. By such a plastic insert a particularly smooth and quiet movement of the closure element is achieved. Preferably, a plastic material is used which offers at least partially self-lubricating properties. However, it is also possible for the toothing section to be provided by at least one insert inserted into the recess, which insert is manufactured from another suitable material and, for example, from a metal alloy.

In an advantageous embodiment, the closure element, in particular the partial section, has at least one sliding section. The sliding section lies in particular at least partially on a device section surrounding the ventilation opening. By such a sliding portion a particularly small contact surface between the closure element and the device section is achieved. As a result, a significant noise reduction is possible. This offers considerable advantages over the ventilation flaps known in the prior art, which often have annoying operating noise. The device section is provided in particular by an air guide lower part. In particular, at least two sliding sections are provided. Preferably, a sliding section is provided on at least one longitudinal side and on at least one broad side of the closure element or of the partial section.

The sliding section is designed in particular as at least one fold of the partial section. By such a fold, the support surface of the subsection on the device section is reduced particularly inexpensively and effectively. However, it is also possible for the sliding section to be provided by at least one plastic element attached to the part section. Such a plastic element offers particularly good sliding and noise properties.

The actuating device comprises in particular at least one guide device for the closure element. The guide device comprises at least one guide rail. In particular, at least two opposite guide rails are provided. The guide rail is arranged in particular on a device section surrounding the ventilation opening. In particular, a cover section is guided at least in sections in the guide rail. The guide rail is arranged in particular substantially parallel to the direction of movement of the closure element. Such a guide device allows easy to install and at the same time reliable guidance of the closure element.

Preferably, the at least one guide rail is latched to a device section surrounding the ventilation opening. In particular, at least one latching connection is provided. A part of the locking connection can be provided by at least one embossment and / or recess in the device section and another part by at least one projection and / or an undercut in the guide rail. Other suitable types of fastening of the guide rail to the device section are also possible. For example, the guide rail can be glued and / or screwed and / or riveted.

In particular, the guide rail surrounds the closure element at least in sections in an L-shaped and / or U-shaped manner. As a result, a particularly good sealing of the ventilation opening is possible.

It is possible for at least one passage opening to be provided in the closure element in addition to the recess. The passage opening is in particular arranged such that the passage opening can be positioned above the ventilation opening when the ventilation opening is completely covered by the closure element. Thus, a defined air flow can continue to be provided through the passage opening, even if the closure element is positioned completely above the ventilation opening. In particular, the passage opening is arranged outside the subsection and preferably in a cover section of the closure element. In particular, the passage opening is arranged at a front and / or rear end of the lid portion. In particular, the front and rear relate to the longitudinal direction or direction of movement of the closure element. It is also possible a central or central arrangement of the passage opening in the lid portion.

The passage opening is in particular arranged such that the passage opening can also be positioned outside the ventilation opening when the ventilation opening is completely covered by the closure element. Such a configuration allows, despite the passage opening, a complete closing of the ventilation opening, so that essentially no air flow is possible. If the ventilation opening is completely covered by the closure element and the passage opening is positioned above the ventilation opening, then the partial section, and thus preferably also the toothed section, is arranged outside the ventilation opening.

In an advantageous development, at least one further recess is arranged in the subsection. The further recess is in particular fully closed and, for example, completely surrounded by the subsection. For example, the further recess is formed as a slot. Due to the further recess, the section forms a particularly low resistance to the air flowing through the ventilation opening. It is also possible that two or three or more recesses are arranged in the subsection.

In particular, the toothed section extends at least in the region of the partial section which is arranged above the ventilation opening when the ventilation opening is open. The toothed section preferably also extends at least partially over the region of the partial section which is arranged outside the ventilation opening when the ventilation opening is open. The toothing section can also extend only over the region of the partial section which is arranged outside the ventilation opening when the ventilation opening is open. The partial area is characterized in particular in that it can be arranged essentially above the ventilation opening.

In particular, the closure element extends at the maximum open ventilation opening with the section above the ventilation opening. The closure element may extend with the partial section above the ventilation opening even if the ventilation opening is partially open. In particular, the partial section is arranged outside the ventilation opening when the ventilation opening is closed by the closure element or the closure element with a cover section extends completely over the ventilation opening. In particular, the partial section then extends, preferably only above the ventilation opening when the ventilation opening is at least partially open and / or a cover section of the closure element is not completely above the ventilation opening. When the ventilation opening is completely closed, the partial section is arranged in particular outside the ventilation opening. In particular, the ventilation opening is substantially complete and in particular completely closable by the closure element.

The ventilation opening is designed in particular for venting the cooking chamber. It is also possible that the ventilation opening is provided for ventilating the cooking chamber.

The Applicant reserves the right to claim a cooking appliance according to the preamble of claim 1, wherein the closure element has at least one recess and wherein in the recess at least one toothed portion is arranged and wherein the toothed portion extends at least in sections on an inner side of the recess, so that the closure element is movable by a toothed rack device of the actuating device.

Such a cooking appliance offers a closing or opening of the ventilation opening with particularly low movement tolerances. Thus, a significantly improved possibility for ventilation of the cooking chamber is provided.

Further advantages and features of the present invention will become apparent from the embodiments, which are explained below with reference to the accompanying figures.

• 1 eine rein schematische Darstellung eines erfindungsgemäßen Gargerätes in einer Vorderansicht;
• 2 das Gargerät in einer perspektivischen Ansicht von schräg oben mit einem Verschlusselement in einer zweiten Stellung;
• 3 das Gargerät mit dem Verschlusselement in einer ersten Stellung;
• 4 das Gargerät mit dem Verschlusselement in einer Zwischenstellung;
• 5 eine rein schematische Darstellung eines Verschlusselements in einer perspektivischen Ansicht von schräg oben; und
• 6 eine rein schematische Darstellung eines anderen eines anderen Verschlusselements in einer perspektivischen Ansicht von schräg oben.

In the figures show:

• 1 a purely schematic representation of a cooking appliance according to the invention in a front view;
• 2 the cooking appliance in a perspective view obliquely from above with a closure element in a second position;
• 3 the cooking appliance with the closure element in a first position;
• 4 the cooking appliance with the closure element in an intermediate position;
• 5 a purely schematic representation of a closure element in a perspective view obliquely from above; and
• 6 a purely schematic representation of another of another closure element in a perspective view obliquely from above.

The 1 shows an inventive cooking appliance 1 , which is designed here as an oven. The cooking appliance 1 is intended here as a built-in device. It is also possible that the cooking appliance 1 is designed as a stove or stand unit.

The cooking appliance 1 has a heated cooking space 11 who is here from a muffle 103 is surrounded. For loading and unloading the cooking chamber 11 indicates the cooking appliance 1 on a front side, a loading opening 31 on, which by a Garraumtür 21 is closable.

For heating the cooking chamber 11 Various heating facilities are available. Among other things, it is possible to heat with a top and / or bottom heat, with a circulating air function, with a hot air heating source and / or with a grill function. It is also possible that the cooking appliance 1 is designed as a combined device with a microwave function and / or a Dampfgarfunktion.

The cooking appliance 1 here comprises a control device 105 for controlling or regulating device functions and operating states. About the controller 105 In addition, different operating modes and preferably different program operating modes and automatic functions can be executed here.

To operate the cooking appliance 1 is an operating device 101 intended. For example, the operating mode, the operating temperature and / or a program operating mode or automatic function can be selected or set via this.

The cooking space 11 is with a not visible here arranged ventilation opening 2 equipped, over which the cooking space 11 In certain operating conditions can be vented targeted or vapors can be removed. The ventilation opening 2 includes z. B. a recess in the muffle 103, so that a flow connection between cooking chamber 11 and the environment of the cooking appliance 1 will be produced. Preferably, there is an active air duct, in which the air from the oven 11 using a suction fan through the ventilation opening 2 is sucked and / or blown.

The air flow may be before and / or after passing through the vent 2 by at least one catalyst device not shown here 102 be guided. Such is the air flow rate through the catalyst device 102 by means of the actuating device 4 or the closure element 3 adjustable. With the catalyst device 102 There is a reduction of odor-polluting substances in the air or the Wrasens. It is also possible that the ventilation opening 2 from a flow connection for the catalyst device 102 is disconnected. Then points the cooking space 11 in particular a separate opening for the removal of vapor.

To an automated closing or opening of the ventilation opening 2 to enable, here is a closure element 3 provided, which by an actuating device 4 is movable. The closure element 3 is z. B. formed as a flap or lid. The actuating device 4 represents the closure element 3 when not operating the cooking appliance 1 in a basic position, not shown here 43 ,

The 2 - 4 show an air duct lower part 51 a cooking appliance according to the invention 1 with the components arranged thereon. In the air duct lower part 51 here is the ventilation opening 2 of the cooking chamber 11 arranged. Below the air duct lower part 51 is the muffle not shown here 103 , On the air duct lower part 51 Here are the actuator 4 and the closure element 3 arranged.

The actuating device 4 here includes a rack device 5 , which by a drive device 14 is driven and a toothed section 15 and a gear 25 has. The toothing section 15 is at a section 6 the closure element 3 is arranged. The toothing section 15 has a fitting to the gear 25 configured tooth contour on. The gear 25 is through the drive device 14 rotatable. The drive device 14 includes, for example, an electric motor and in particular a synchronous motor. Will the gear 25 rotated, so the closure element shifts 3 in the longitudinal direction of the toothed section 15 forward or backward. For controlling the closure element 3 here is a limit switch 24 intended.

The actuating device 4 here has a guide device 7 on which two opposite guide rails 17 includes, in which the closure element 3 with the lid section 36 is guided. The guide rails 17 are here in imprints in the air duct lower part 51 attached and, for example, clipped. To allow improved guidance, the lid portion 36 be slightly flattened at the corresponding edge areas. But is also possible a circular configuration of the lid portion 36 ,

The guide rails 17 engage around the closure element L-shaped or U-shaped. Such is the closure element 3 stable and at the same time smoothly guided and it is achieved a good seal of the ventilation opening. In addition, a direct contact of the closure element 3 with the air duct lower part 51 avoided, which significantly reduces noise, especially in a metallic design.

In the 2 is the closure element 3 in a second position 23 positioned at the ventilation opening 2 partially closed. This is the ventilation opening 2 completely from the closure element 3 hidden so that it is not visible here. In the closure element 3 However, here is a through hole 53 , Thus remains in this position 23 one through the cross section of the through hole 53 defined flow opening.

In the 3 is the closure element 3 in a first position 13 positioned at the ventilation opening 2 as far as, as designed, opened. For clarity, here are some of the 2 not shown components shown.

The first position is here the basic position 43 into which the closure element 3 when not operating the cooking appliance 1 by the actuator 4 automatically driven.

In this position 13 is a lid section 36 the closure element 3 completely from the ventilation opening 2 hazards. Only a section 6 the closure element 3 is still above the ventilation opening 2 ,

In the position shown here 13 and also at other correspondingly open positions 13 , 33, 43 is the closure element 3 with the subsection 6 and also with the gearing section 15 above the ventilation opening 2 arranged. Such an embodiment of the closure element allows in combination with the operation by the rack device 5 a space-saving arrangement of these components. In addition, a structurally inexpensive control or movement of the closure element 3 achieved, so a long-lived and particularly unattractive operation of the cooking appliance 1 is possible.

Around the ventilation opening 2 in the position shown here 13 To be able to release as much as possible, is in the subsection 6 here a recess 16 intended. The recess 16 is here completely closed and as a slot 26 in the section 6 educated. Through the recess 16 the subsection offers 6 also in other positions 13 . 33 . 43 in which the ventilation opening 2 is partially open, the lowest possible flow resistance. For example, a sufficient draft through the catalyst device 102 be guaranteed. In addition, in the subsection 6 yet another recess 56 arranged to pass through the subsection 6 caused flow resistance to further reduce.

In the recess 16 is the gear section 15 for the rack device 5 arranged. In the embodiment shown here, the rack contour of the toothed section 15 introduced by a punching in the sheet material.

The arrangement of the toothing section shown here 15 on an inside of the recess 16 offers a particularly advantageous guide for the movement of the closure element 3 , So here is a guide through the gear 25 achieved, as this one the toothing section 15 and on the other hand, the opposite inner side of the recess 16 supported. Thus it can be prevented that the toothed section 15 during the movement of the gear 25 away. This embodiment is also particularly advantageous in addition to the two guide rails 17 so that the movement of the closure element 3 stable at several points. A particular advantage is also that the presented type of leadership structurally particularly inexpensive can be implemented, so that a cost-effective production of the cooking appliance 1 is possible.

The 4 shows the closure element 3 in an intermediate position 33 where the ventilation opening 2 is completely closed. This is the ventilation opening 2 completely from the closure element 3 hidden so that it is not visible here. In addition, the closure element 3 so above the vent 2 aligned so that the passage opening 53 is not above the ventilation opening 2 lies, but through the air duct lower part 51 is covered.

When the cooking appliance is switched off 1 or when not in operation is the closure element 3 always in the basic position 43 , The basic position is the first position 13 where the ventilation opening 2 as far as possible is open. In the basic position 43 is the only limit switch 24 , It is also possible that in the basic position 43 an end stop 34 is provided.

When the appliance is switched on 1 or at the start of a treatment program, the closure element moves 3 from the basic position 43 by a predetermined amount in the required position 13 . 23 . 33 , The basic position 43 thus serves as a reference for the other positions 13, 23, 33.

For example, a synchronous motor of the drive device 14 operated for a given time for the respective position. In particular, the control of the synchronous motor via a relay. The direction of rotation of the synchronous motor is defined here, since the motor from the basic position 43 , which is an end position here, can only turn in one direction. This is the closing element 3 from the basic position 43 For example, in an intermediate position 33 or in the second position 23 emotional.

When switching off the cooking appliance 1 or when not in operation and for example after the end of a treatment program, the closure element 3 back to the basic position 43 emotional. This has the advantage that a renewed movement of the closure element 3 time-controlled from a reference position can be done with high accuracy. On the other hand, the basic position 43 here the advantage that the closure element 3 with the lid portion 36 completely from the ventilation opening 2 pushed. This effectively prevents sticking due to fumes or greasy deposits. So even after a prolonged non-operation is a reliable function of the closure element 3 guaranteed. In addition, the cooking space 11 when not in operation due to the open ventilation opening 2 dry out very well and quickly.

Will the closure element 3 from another position 13 . 23 . 33 as the basic position 43 moved, it is always first in the basic position here 43 emotional. From the basic position of 43 then takes a particular time-controlled movement of the closure element 3 in the required position.

For example, there is the closure element 3 during a baking operation in an intermediate position 33 , From there you can, for example, in the first position 13 be driven to the ventilation opening 2 for a quick cooling of the cooking chamber 11 completely open. The closure element 3 can, for example, also from the intermediate position 33 in the second position 23 or another intermediate position 33 be driven to partially or completely close the cooking space and thereby reduce energy consumption during baking operation. From this intermediate position 33 Now she always drives first to the basic position 43 and from there timed to the desired position 13 . 23 . 33 ,

In the 5 is the closure element described above 3 shown in more detail. It is particularly good to see that the entire closure element 3 is designed as a one-piece component. The closure element 3 is also with two sliding sections 16 fitted. The sliding sections 46 serve here for the subsection 6 with the smallest possible area on the lower part of the air duct 51 rests. Thus, the noise during movement can be significantly minimized. The bearing surface of the sliding sections 46 on the air duct lower part 51 are illustrated here by dashed lines.

The sliding sections 16 are here by folds in the section 6 provided. Here is a sliding section 46 on one longitudinal side and the other sliding portion 46 on a broad side of the section 6 arranged.

The on the longitudinal side of the subsection 6 provided sliding section 46 also fulfills another function here. The sliding section 46 is at the gear section 15 opposite inside of the recess 16 arranged. This will be the gear 25 matching the tooth contour of the toothed section 15 positioned. It can be provided that the gear at least temporarily or at least partially contacting the sliding portion 46 is applied.

The 6 shows an embodiment of the closure element 3 in which a plastic insert 35 in the recess 16 is used. The plastic insert 35 here is down from the subsection 6 and thereby provides a sliding section 46 ready. The bearing surface of the sliding section 46 on the air duct lower part 51 is illustrated here by a dashed line.

The plastic insert 35 here represents the tooth contour of the toothing section 15 ready. On the gear section 15 opposite side has the plastic insert 35 here a collar 45 on. The collar 45 serves to the gear 25 align with the tooth contour and the section 6 along the gear 25 respectively.

Because the sliding sections 46 through the plastic insert 35 be provided, eliminating metal-metal contact points. This has in addition to the noise reduction and the advantage of better sliding property of plastic on metal and the consequent lower force. As a result, the load on the components is significantly reduced and the longevity of the cooking appliance 1 significantly improved.

The invention presented here offers a particularly quiet and space-saving operation of the closure element 3 for ventilation or ventilation of the cooking chamber 11 , Due to the small number of components for the actuator 4 a significant cost savings and also a reduction of error and tolerance sources are achieved. The actuation of the closure element 3 takes place here with a targeted leadership and a principle with a particularly low susceptibility to errors, since the system is not dirt, vibration or heat sensitive.

LIST OF REFERENCE NUMBERS

1

Cooking appliance

2

vent

3

closure element

4

actuator

5

Rack means

6

part Of

7

guide means

11

oven

13

position

14

driving means

15

toothed section

16

recess

17

guide rail

21

oven door

23

position

24

Limit switches

25

gear

26

Long hole

31

loading port

33

intermediate position

34

end stop

35

Plastic insert

36

cover section

43

initial position

45

collar

46

sliding

51

Device section, air duct lower part

53

Through opening

56

recess

100

oven

101

operating device

102

catalyst device

103

muffle

105

control device

Claims (14)

Cooking appliance (1) with at least one heatable cooking chamber (11) and with at least one cooking chamber door (21) for closing a feed opening (31) of the cooking chamber (11) and with at least one ventilation opening (2) for ventilating the cooking chamber (11), wherein at least one closure element (3) is movable by at least one actuating device (4), characterized in that the closure element (3) is provided with at least one partial section (6) at least when the ventilation opening (2) is open ) extends above the ventilation opening (2) and that the partial section (6) is equipped with at least one toothed section (15), so that the closure element (3) by a rack means (5) of the actuating device (4) is movable. Cooking appliance (1) according to the preceding claim, characterized in that in the partial section (6) at least one recess (16) is arranged, so that the partial section (6) can be flowed through. Cooking appliance (1) according to one of the preceding claims, characterized in that the toothed section (15) extends at least in sections along the recess (16). Cooking appliance (1) according to one of the preceding claims, characterized in that the recess (16) is fully closed. Cooking appliance (1) according to one of the preceding claims or according to the preamble of Claim 1 , characterized in that the toothed portion (15) extends at least in sections on an inner side of the recess (16). Cooking appliance (1) according to one of the preceding claims, characterized in that the recess (16) as a slot (26) is formed with two opposite longitudinal sides and that the toothed portion (15) at least in sections along one of the two longitudinal sides (161). Cooking appliance (1) according to any one of the preceding claims, characterized in that the toothed portion (15) is at least partially integrally formed in the partial section (6) and / or that the toothed section (15) at least partially by at least one in the recess (16). used plastic insert (35) is provided. Cooking appliance (1) according to one of the preceding claims, characterized in that the partial section (6) has at least one sliding section (46) which rests on at least one appliance section (51) surrounding the ventilation opening (2). Cooking appliance (1) according to one of the preceding claims, characterized in that the actuating device (4) comprises at least one guide device (7) for the closure element (3) and in that at least one guide rail (17), preferably at least two opposite guide rails (17). , on which the ventilation opening (2) surrounding device portion (51) is arranged, in which the closure element (3) is guided at least in sections. Cooking appliance (1) according to the preceding claim, characterized in that the at least one guide rail (17) is latched to the device section (51) surrounding the ventilation opening (2). Cooking appliance (1) according to one of the two preceding claims, characterized in that the guide rail (17) surrounds the closure element (3) at least in sections in an L-shaped and / or U-shaped manner. Cooking appliance (1) according to one of the preceding claims, characterized in that in the closure element (3) in addition to the recess (16) at least one passage opening (53) is provided and arranged such that the passage opening (53) above the ventilation opening (2 ) is positionable when the ventilation opening (2) is completely covered by the closure element (3). Cooking appliance (1) according to the preceding claim, characterized in that the passage opening (53) is arranged such that the passage opening (53) can also be positioned outside the ventilation opening (2) if the ventilation opening (2) is completely enclosed by the closure element (53 ) is covered. Cooking appliance (1) according to one of the preceding claims, characterized in that in the partial section (6) at least one further recess (56) is arranged.

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