Air fryer

Abstract

The utility model relates to an air fryer. The air fryer comprises a machine shell, a reflecting cover, a motor assembly and a cooling fan. A cooking cavity is formed in the machine shell, the reflecting cover is arranged in the machine shell, a heat dissipation cavity is defined by the reflecting cover and the machine shell, the cooking cavity is formed in the lower side of the heat dissipation cavity, the motor assembly is arranged in the heat dissipation cavity, and the motor assembly comprises a driving motor and a support component which are connected. The driving motor and the support component are both spaced from the reflecting cover in the height direction of the machine shell, the driving motor comprises a motor body and an outer rotor, the outer rotor is arranged on the outer side of the motor body in a sleeving mode, the cooling fan is arranged on the outer side of the outer rotor in a sleeving mode, and the cooling fan is arranged on the outer side of the motor body in a sleeving mode. And the light guide plate is arranged between the bracket component and the reflecting cover. The air fryer is compact in structure, high in space utilization rate and favorable for improving the heat dissipation effect of the motor.

Description

Technical Field

[0001] The utility model relates to the technical field of cooking utensils, and in particular to an air fryer. Background Art

[0002] An air fryer is a cooking appliance that uses hot air for "frying". The air fryer replaces hot oil with hot air, and the hot air forms a circulating heat flow in a closed pot to cook the food. At the same time, the hot air can also blow away the moisture on the surface of the food, making the ingredients achieve an effect similar to frying.

[0003] The top of the air fryer is usually provided with a motor heat dissipation structure, in which the driving motor drives the heat dissipation fan to rotate to dissipate the heat of the driving motor. However, the axial dimension of the motor heat dissipation structure is large, which occupies a large space in the air fryer, resulting in a small actual cooking space in the air fryer.

[0004] In the related art, in order to compress the axial dimension of the motor heat dissipation structure, the manufacturer installs the motor and the motor mounting seat on a reflective cover. However, in the above design scheme, the heat of the reflective cover will be transferred to the motor through the motor mounting seat, thereby affecting the heat dissipation of the motor and reducing the service life of the motor. Utility Model Content

[0005] The utility model aims to solve one of the technical problems in the related art at least to a certain extent.

[0006] To this end, the utility model proposes an air fryer, which has a compact structure, high space utilization, and is beneficial to improving the heat dissipation effect of the motor.

[0007] The air fryer of the utility model comprises: a casing, wherein the casing has a cooking cavity; a reflector, wherein the reflector is arranged in the casing and defines a heat dissipation cavity with the casing, wherein the cooking cavity is arranged at the lower side of the heat dissipation cavity; a motor assembly, wherein the motor assembly is arranged in the heat dissipation cavity, wherein the motor assembly comprises a connected driving motor and a bracket component, wherein the driving motor and the bracket component are spaced apart from the reflecting cover along the height direction of the casing, wherein the driving motor comprises a motor body and an outer rotor, wherein the outer rotor is sleeved on the outer side of the motor body; and a cooling fan, wherein the cooling fan is sleeved on the outer side of the outer rotor and is arranged between the bracket component and the reflecting cover.

[0008] According to the air fryer of the utility model, since the outer rotor of the driving motor is sleeved on the outside of the motor body and the cooling fan is sleeved on the outside of the outer rotor, the axial dimension of the motor assembly can be shortened, so that the structure of the air fryer is compact, which is conducive to improving the space utilization of the air fryer. In addition, since the driving motor and the bracket component are spaced apart from the reflective cover along the height direction of the casing, the problem of heat transfer from the reflective cover to the bracket component and the driving motor can be reduced, so that the heat dissipation effect of the driving motor is better.

[0009] Therefore, the air fryer of the utility model has a compact structure, high space utilization, and is beneficial to improving the heat dissipation effect of the motor.

[0010] Optionally, the support component includes a motor support and a mounting seat, the motor support is connected to the housing, the motor body is connected to the motor support via the mounting seat, and the mounting seat is arranged on a side of the motor support away from the reflector. The air fryer of the utility model can increase the distance between the mounting seat and the reflector by arranging the mounting seat on the side of the motor support away from the reflector, so as to reduce the heating temperature of the mounting seat, which is conducive to extending the service life of the mounting seat.

[0011] Optionally, the driving motor further comprises a control panel, and the control panel is arranged between the mounting seat and the motor body. The air fryer of the utility model mounts the control panel between the mounting seat and the motor body so that the control panel is as far away from the reflector as possible, and the mounting seat can insulate the upper end surface of the control panel to reduce the temperature of the control panel, which is conducive to prolonging the service life of the driving motor.

[0012] Optionally, the motor assembly further comprises a heat insulation board, the heat insulation board is arranged between the heat dissipation fan and the reflector cover, and the heat insulation board and the reflector cover are spaced apart along the height direction of the housing. The air fryer of the utility model can reduce the heat transferred from the reflector cover to the drive motor by arranging the heat insulation board, and due to the blocking effect of the heat insulation board, the heat dissipation space of the heat dissipation fan can be reduced, thereby accelerating the flow efficiency of the air and improving the heat dissipation effect of the drive motor.

[0013] Optionally, the side wall of the casing is provided with a heat dissipation hole, and the heat insulation board has a first side extending in the horizontal direction, the first side extending in the direction of the heat dissipation hole and spaced apart from the side wall of the casing. Since the first side extends in the direction of the heat dissipation hole, the heat discharge of the drive motor can be guided, and by spacing the first side from the side wall of the casing, the heat in the heat dissipation cavity and the heat overflowing from the cooking cavity can be discharged through the heat dissipation hole, so as to improve the heat dissipation effect of the air fryer.

[0014] Optionally, the distance between the first side and the side wall of the housing is L, 15mm≤L≤25mm. The air fryer of the utility model is advantageous in improving the heat dissipation rate of the drive motor and the overall heat dissipation effect of the air fryer by designing the distance between the first side and the side wall of the housing using the above parameters.

[0015] Optionally, the motor bracket and the heat insulation board form a heat dissipation duct, the heat dissipation fan is arranged in the heat dissipation duct, the heat dissipation duct has an air outlet, and the air outlet is opposite to the heat dissipation hole. The air fryer of the utility model can further improve the heat dissipation efficiency of the drive motor by enclosing the motor bracket and the heat insulation board to form a heat dissipation duct, and the air outlet of the heat dissipation duct is opposite to the heat dissipation hole.

[0016] Optionally, the heat insulation board has a second side extending in the horizontal direction, the motor bracket is provided with an overlap portion, and the second side overlaps the overlap portion. The air fryer of the utility model is advantageous for improving the stability of the heat insulation board installation by overlapping the heat insulation board with the motor bracket, and is easy to assemble and has a low processing cost.

[0017] Optionally, a heat insulating layer is provided on one side of the reflector adjacent to the heat dissipation cavity, thereby further reducing the amount of heat transferred from the reflector to the drive motor, which is beneficial to extending the service life of the drive motor.

[0018] Optionally, the motor assembly further includes a rotating shaft, the rotating shaft is fixedly connected to the outer rotor, the rotating shaft is passed through the reflector, and the air fryer further includes a convection fan, the convection fan is connected to the lower end of the rotating shaft, and the convection fan is arranged in the cooking cavity. The air fryer of the utility model is provided with a convection fan, which is conducive to accelerating the circulation rate of hot air in the cooking cavity and improving the uniformity of food cooking in the air fryer. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a cross-sectional view of an air fryer according to a new embodiment of the present utility model.

[0020] Figure 2 yes Figure 1 A is an enlarged view of the middle image.

[0021] Figure 3 yes Figure 1 Enlarged view of B.

[0022] Figure 4 It is an exploded view of some parts of the air fryer according to an embodiment of the utility model.

[0023] Figure 5 It is an exploded view of the cooling fan, mounting base and driving motor of the air fryer according to the embodiment of the utility model.

[0024] Reference numerals:

[0025] 1. Casing; 11. Cooking cavity; 12. Heat dissipation cavity; 13. Heat dissipation holes;

[0026] 2. Reflector;

[0027] 3. Motor assembly; 31. Drive motor; 311. Motor body; 312. Outer rotor; 313. Control board; 314. Rotating shaft; 32. Bracket component; 321. Motor bracket; 3211. Overlapping part; 322. Mounting seat; 33. Heat insulation board; 331. First side; 332. Second side; 34. Cooling duct; 341. Air outlet;

[0028] 41. Cooling fan; 42. Convection fan;

[0029] 5. Heating tube;

[0030] 6. Inner pot assembly; 61. Inner pot; 62. Frying basket. DETAILED DESCRIPTION

[0031] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but cannot be understood as limiting the present invention.

[0032] Please refer to the following Figures 1 to 5 An air fryer according to an embodiment of the utility model is described.

[0033] like Figures 1 to 5 As shown, the air fryer according to the embodiment of the utility model comprises: a housing 1, a reflector 2, a motor assembly 3 and a heat dissipation fan 41. The housing 1 has a cooking cavity 11, the reflector 2 is arranged in the housing 1 and defines a heat dissipation cavity 12 with the housing 1, the cooking cavity 11 is arranged at the lower side of the heat dissipation cavity 12, the motor assembly 3 is arranged in the heat dissipation cavity 12, and the motor assembly 3 comprises a connected driving motor 31 and a bracket component 32, and the driving motor 31 and the bracket component 32 are arranged along the height direction of the housing 1 (such as Figure 1 The driving motor 31 includes a motor body 311 and an outer rotor 312. The outer rotor 312 is sleeved on the outside of the motor body 311. The cooling fan 41 is sleeved on the outside of the outer rotor 312 and is arranged between the bracket component 32 and the reflector 2.

[0034] According to the air fryer of the embodiment of the utility model, since the outer rotor 312 of the driving motor 31 is sleeved on the outside of the motor body 311, and the cooling fan 41 is sleeved on the outside of the outer rotor 312, the axial dimension of the motor assembly 3 can be shortened, so that the structure of the air fryer is compact, which is conducive to improving the space utilization of the air fryer. In addition, since the driving motor 31 (motor body 311+outer rotor 312) and the bracket component 32 are spaced apart from the reflector 2 along the height direction of the housing 1, the problem of heat transfer from the reflector 2 to the bracket component 32 and the driving motor 31 can be reduced, so that the heat dissipation effect of the driving motor 31 is better. Therefore, the air fryer of the embodiment of the utility model has a compact structure, a high space utilization rate, and is conducive to improving the heat dissipation effect of the motor.

[0035] It is understandable that the rotor of the driving motor 31 in the related art is located inside the driving motor 31 and is connected to the cooling fan 41 through the output shaft extending downward, but the above arrangement structure occupies a large space in the cooling chamber 12, resulting in a small actual cooking space. The air fryer of the embodiment of the utility model can greatly shorten the axial dimension of the motor assembly 3 by sleeve-arranging the rotor on the outside of the positioning (that is, the outer rotor 312 is sleeved in the motor body 311), and the cooling fan 41 is sleeved on the outside of the outer rotor 312, which is conducive to reducing the height of the cooling chamber 12, thereby increasing the cooking space of the air fryer and improving the space utilization of the air fryer.

[0036] On the other hand, the driving motor 31 in the related art is installed on the reflective cover 2 through the bracket structure. When the air fryer is working, the heat on the reflective cover 2 is easily transferred to the driving motor 31 through the bracket structure, thereby affecting the heat dissipation of the driving motor 31. The air fryer of the embodiment of the utility model can reduce the heat transferred from the reflective cover 2 to the driving motor 31 by separating the motor body 311, the outer rotor 312 and the bracket component 32 from the reflective cover 2 along the height direction of the casing 1, thereby improving the heat dissipation effect of the driving motor 31.

[0037] In some embodiments, Figure 2 , Figure 4 and Figure 5 As shown, the bracket component 32 includes a motor bracket 321 and a mounting seat 322, the motor bracket 321 is connected to the casing 1, and the motor body 311 is connected to the motor bracket 321 through the mounting seat 322. For example, the motor bracket 321 is detachably connected to the casing 1 through a threaded member, the motor body 311 is detachably connected to the mounting seat 322 through a threaded member, and the mounting seat 322 is detachably connected to the motor bracket 321 through a threaded member, thereby facilitating the assembly and disassembly of the bracket component 32 and simplifying the processing and manufacturing.

[0038] In order to reduce the heating temperature of the mounting seat 322 during operation, the mounting seat 322 is arranged on the side of the motor bracket 321 away from the reflector 2, that is, the mounting seat 322 is located on the upper side of the motor bracket 321, thereby increasing the distance between the mounting seat 322 and the reflector 2 to reduce the heating temperature of the mounting seat 322, which is conducive to extending the service life of the mounting seat 322. On the other hand, since the heating temperature of the mounting seat 322 is relatively low, the mounting seat 322 does not need to use a metal bracket, that is, a plastic bracket can meet the demand, thereby reducing the production cost of the air fryer.

[0039] Alternatively, if Figure 2 and Figure 5 As shown, the driving motor 31 further includes a control panel 313, and the control panel 313 is arranged between the mounting seat 322 and the motor body 311. It can be understood that the control panel 313 is used to control the start and speed of the driving motor 31. The air fryer of the embodiment of the utility model installs the control panel 313 between the mounting seat 322 and the motor body 311, so that the control panel 313 is as far away from the reflector 2 as possible, and the mounting seat 322 can insulate the upper end surface of the control panel 313 to reduce the temperature of the control panel 313, which is conducive to extending the service life of the driving motor 31.

[0040] In some embodiments, Figure 2 and Figure 4 As shown, the motor assembly 3 further includes a heat insulation board 33, which is disposed between the heat dissipation fan 41 and the reflector 2, and the heat insulation board 33 and the reflector 2 are spaced apart along the height direction of the housing 1. It can be understood that the lower side of the heat insulation board 33 is spaced apart from the reflector 2, and the upper side of the heat insulation board 33 is spaced apart from the heat dissipation fan 41. Since the heat insulation board 33 is disposed between the heat dissipation fan 41 and the reflector 2, and the heat insulation board 33 and the reflector 2 are not in contact, the heating temperature of the heat insulation board 33 can be reduced, and the heat transferred from the reflector 2 to the drive motor 31 can be reduced. On the other hand, due to the blocking effect of the heat insulation board 33, the heat dissipation space of the heat dissipation fan 41 can be reduced, thereby accelerating the flow efficiency of the air and improving the heat dissipation effect of the drive motor 31.

[0041] Alternatively, if Figure 1 As shown, the side wall of the housing 1 is provided with a heat dissipation hole 13, and the heat insulation board 33 has a first side 331 extending in the horizontal direction, and the first side 331 extends toward the heat dissipation hole 13 and is spaced apart from the side wall of the housing 1. Figure 1As shown, the left side of the heat insulation board 33, i.e., the first side 331 of the heat insulation board 33, is spaced apart from the left side wall of the housing 1. Since the first side 331 extends toward the heat dissipation hole 13, the heat insulation board 33 can guide the heat discharge of the driving motor 31, and by spacing the first side 331 from the side wall of the housing 1, the heat of the heat dissipation cavity 12 and the heat overflowing from the cooking cavity 11 can be discharged through the heat dissipation hole 13, thereby improving the heat dissipation effect of the air fryer.

[0042] For example, Figure 1 As shown, the distance between the first side 331 and the side wall of the housing 1 is L, 15mm≤L≤25mm. L can be 15mm, 18mm, 20mm, 22mm, 25mm. The inventor of the present application found through experimental research that when the distance between the first side 331 and the side wall of the housing 1 is designed with the above parameters, it is beneficial to improve the heat dissipation rate of the drive motor 31 and ensure the overall heat dissipation effect of the air fryer.

[0043] Alternatively, if Figure 1 and Figure 2 As shown, the motor bracket 321 and the heat insulation board 33 form a heat dissipation duct 34, the heat dissipation fan 41 is arranged in the heat dissipation duct 34, and the heat dissipation duct 34 has an air outlet 341, and the air outlet 341 is opposite to the heat dissipation hole 13. It can be understood that the motor bracket 321 and the heat insulation board 33 are respectively arranged on both sides of the heat dissipation fan 41, and form a relatively closed heat dissipation duct 34, that is, most of the hot air in the heat dissipation duct 34 is discharged through the air outlet 341. Since the air outlet 341 is opposite to the heat dissipation hole 13, the heat dissipation efficiency of the drive motor 31 can be further improved.

[0044] In one example, if Figure 3 As shown, the heat insulation board 33 has a second side 332 (the right side of the heat insulation board 33) extending in the horizontal direction, and the motor bracket 321 is provided with a lap joint 3211, and the second side 332 overlaps the lap joint 3211. For example, the lap joint 3211 is a boss, and the right side of the heat insulation board 33 overlaps the boss. The air fryer of the embodiment of the utility model is conducive to improving the stability of the installation of the heat insulation board 33 by overlapping the heat insulation board 33 and the motor bracket 321, and is easy to assemble and has a low processing cost.

[0045] In another example, the heat insulating plate 33 is snap-fitted to the motor bracket 321 or connected via screws, thereby ensuring the reliability of the connection between the heat insulating plate 33 and the motor bracket 321 .

[0046] Optionally, a heat insulating layer (not shown) is provided on one side of the reflector 2 adjacent to the heat dissipation cavity 12. For example, the heat insulating layer may be a mica sheet. Thus, the heat insulating layer and the heat insulating plate 33 may jointly block the heat radiated by the reflector 2, further reducing the heat transferred from the reflector 2 to the drive motor 31, which is beneficial to prolonging the service life of the drive motor 31.

[0047] In some embodiments, Figure 2 and Figure 5 As shown, the motor assembly 3 further includes a rotating shaft 314, which is fixedly connected to the outer rotor 312, that is, when the outer rotor 312 rotates, it can drive the rotating shaft 314 to rotate synchronously, and the rotating shaft 314 is arranged through the reflector 2. The air fryer further includes a convection fan 42, which is connected to the lower end of the rotating shaft 314 and is arranged in the cooking cavity 11. The air fryer of the embodiment of the utility model is provided with the convection fan 42, which is conducive to accelerating the circulation rate of the hot air in the cooking cavity 11, and improving the uniformity of the air fryer when cooking food.

[0048] Specifically, Figure 1 As shown, the air fryer further includes a heating tube 5 and an inner pot assembly 6. The heating tube 5 is installed in the cooking cavity 11 and is disposed at the lower side of the convection fan 42, so that the convection fan 42 can circulate the heat generated by the heating tube 5 to improve the uniformity of heating of the food in the cooking cavity 11. The inner pot assembly 6 includes an inner pot 61 and a frying basket 62. The inner pot 61 can be pulled out and installed in the cooking cavity 11, and the frying basket 62 is placed in the inner pot 61 and can be separated from the inner pot 61, so that the user can take and put the inner pot 61 and the frying basket 62, which is conducive to improving the convenience of use for the user.

[0049] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0050] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0051] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0052] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0053] In the present utility model, the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0054] Although the above embodiments have been shown and described, it is to be understood that the above embodiments are illustrative and cannot be construed as limitations on the present invention. Changes, modifications, substitutions and variations of the above embodiments by those of ordinary skill in the art are all within the scope of protection of the present invention.

Claims

1. An air fryer, characterized in that: include: A casing (1), wherein a cooking cavity (11) is provided in the casing (1); A reflector (2), the reflector (2) being arranged in the housing (1) and defining a heat dissipation cavity (12) with the housing (1), the cooking cavity (11) being arranged at the lower side of the heat dissipation cavity (12); A motor assembly (3), the motor assembly (3) being arranged in the heat dissipation cavity (12), the motor assembly (3) comprising a connected drive motor (31) and a bracket component (32), the drive motor (31) and the bracket component (32) being spaced apart from the reflector (2) along a height direction of the housing (1), the drive motor (31) comprising a motor body (311) and an outer rotor (312), the outer rotor (312) being sleeved on the outside of the motor body (311); A heat dissipation fan (41), wherein the heat dissipation fan (41) is sleeved on the outside of the outer rotor (312) and is arranged between the bracket component (32) and the reflector (2).

2. The air fryer according to claim 1, characterized in that: The support component (32) comprises a motor support (321) and a mounting seat (322); the motor support (321) is connected to the housing (1); the motor body (311) is connected to the motor support (321) via the mounting seat (322); and the mounting seat (322) is arranged on a side of the motor support (321) away from the reflector (2).

3. The air fryer according to claim 2, characterized in that: The driving motor (31) further comprises a control board (313), wherein the control board (313) is arranged between the mounting seat (322) and the motor body (311).

4. The air fryer according to claim 2, characterized in that: The motor assembly (3) further comprises a heat insulation board (33), wherein the heat insulation board (33) is arranged between the heat dissipation fan (41) and the reflective cover (2), and the heat insulation board (33) and the reflective cover (2) are spaced apart in a height direction of the housing (1).

5. The air fryer according to claim 4, characterized in that: The side wall of the casing (1) is provided with a heat dissipation hole (13), and the heat insulation board (33) has a first side (331) extending in a horizontal direction, wherein the first side (331) extends in the direction of the heat dissipation hole (13) and is spaced apart from the side wall of the casing (1).

6. The air fryer according to claim 5, characterized in that: The distance between the first side (331) and the side wall of the housing (1) is L, 15 mm ≤ L ≤ 25 mm.

7. The air fryer according to claim 5, characterized in that: The motor bracket (321) and the heat insulation board (33) form a heat dissipation duct (34), the heat dissipation fan (41) is arranged in the heat dissipation duct (34), and the heat dissipation duct (34) has an air outlet (341), and the air outlet (341) is opposite to the heat dissipation hole (13).

8. The air fryer according to claim 5, characterized in that: The heat insulation board (33) has a second side (332) extending in a horizontal direction, and the motor bracket (321) is provided with an overlapping portion (3211), and the second side (332) overlaps the overlapping portion (3211).

9. The air fryer according to any one of claims 1 to 8, characterized in that: A heat insulation layer is provided on one side of the reflector (2) adjacent to the heat dissipation cavity (12).

10. The air fryer according to any one of claims 1 to 8, characterized in that: The motor assembly (3) further comprises a rotating shaft (314), wherein the rotating shaft (314) is fixedly connected to the outer rotor (312), and the rotating shaft (314) is passed through the reflector (2). The air fryer further comprises a convection fan (42), wherein the convection fan (42) is connected to the lower end of the rotating shaft (314), and the convection fan (42) is arranged in the cooking cavity (11).

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