CN218074492U - A air blast structure and evaporate roast all-in-one for cooking device - Google Patents

Abstract

The utility model relates to a blast air structure and evaporate roast all-in-one for cooking device, including the air-blast casing and the fan of vertical setting, the side of this air-blast casing has been seted up the air-blast import and the air-blast export has been seted up to the lower extreme, and wherein, the air-blast import is fluid intercommunication with the air outlet phase of fan. The utility model discloses can realize the side air intake and the blast air effect of air-out down, on the basis that satisfies basic amount of wind requirement, realize that the control of fan and blast air casing sets up side by side for the compact structure of blast air structure is applicable to the fan of installation big specification, thereby can promote the whole amount of wind of blast air structure, realizes evaporating the strong effect hydrofuge of roast all-in-one, promotes the effect of toasting.

Description

A air blast structure and evaporate roast all-in-one for cooking device

Technical Field

The utility model relates to a cooking device field especially relates to a blast air structure and evaporate roast all-in-one for cooking device.

Background

The inner container of the steaming and baking integrated machine is generally only provided with one air outlet, and the air is exhausted through the air outlet during the baking function and the steaming function. When the steam function is performed, steam in the inner container needs to be slowly discharged, so that the caliber of the exhaust port is designed to be small, heat exchange between the steam in the inner container and food is fully performed, the heating efficiency is improved, and the cooking effect of the steam function is guaranteed. However, the exhaust port with a smaller diameter cannot discharge moisture in the inner container rapidly under the baking function, so that the baking effect of the steaming and baking integrated machine is affected, and the function diversification (such as air frying, fruit and vegetable drying and other functions) of the steaming and baking integrated machine cannot be realized.

Blowing is a means for accelerating the moisture removal speed of the liner, for example, a chinese invention patent of ZL201721490531.9 (publication No. CN 208404222U) entitled "a baking blowing device of a steam oven", a chinese utility model patent of ZL202121711819.0 (publication No. CN 215383380U) "an energy-saving oven with convection function", and the like. The specification of the air blowing device is in direct proportion to the air output of the air blowing device under the general condition, namely the air output is larger when the specification is larger, the air outlet is generally arranged on the top wall of the inner container, and the installation of the large-specification air blowing device cannot be realized due to the limited space above the inner container.

Disclosure of Invention

The utility model aims to solve the first technical problem that a compact structure's a blast air structure for cooking device is provided to prior art.

The utility model aims to solve the second technical problem that provide a compact structure and the good air blast structure that is used for cooking device of leakproofness to prior art.

The utility model aims to solve the third technical problem that a compact structure and blast air control convenient and reliable's a blast air structure for cooking device is provided to prior art.

The utility model aims to solve the fourth technical problem that provide a compact structure and air output are big be used for cooking device's blast air structure to prior art.

The fifth technical problem to be solved in the utility model is to provide a evaporate roast all-in-one of above-mentioned air blast structure to prior art.

The utility model provides a technical scheme that at least one above-mentioned technical problem adopted does: the air blowing structure for the cooking device is characterized by comprising an air blowing shell and a fan, wherein the air blowing shell and the fan are vertically arranged, an air blowing inlet is formed in the side face of the air blowing shell, an air blowing outlet is formed in the lower end of the air blowing shell, the fan is arranged on one side of the air blowing shell, and the air blowing inlet is in fluid communication with an air outlet of the fan.

Further, the blast air inlet is vertically arranged, and the blast air outlet is horizontally arranged. Thereby the structure that enables the blast air structure is further compact, the installation of this blast air structure above the inner bag of being more convenient for.

Further, the fan is horizontally arranged, an air inlet of the fan faces upwards horizontally, an air outlet of the fan extends vertically and is communicated with the air blowing inlet of the air blowing shell. Therefore, the air outlet of the fan can smoothly enter the air blowing shell, and the air blowing quantity is ensured.

Further, an inlet sealing ring is arranged at the joint of the air outlet of the fan and the air blowing inlet of the air blowing shell. And the gas is prevented from leaking at the joint of the fan and the air blowing shell.

Further, still include the control assembly that is used for controlling above-mentioned blast air outlet and opens and close. Thereby can realize opening and close control to the blast air export through control assembly.

Further, the control assembly comprises a shielding plate for shielding the air blowing outlet, a push rod and a driving device, the upper end of the air blowing shell is closed, the push rod vertically penetrates through the top wall of the air blowing shell, the shielding plate is fixed at the lower end of the push rod, the upper end of the push rod is fixed on an output shaft of the driving device, and the driving device is installed on the top surface of the air blowing shell and used for driving the push rod to move up and down. The driving device drives the shielding plate to move up and down, so that the opening and closing control of the blast outlet can be realized.

Further, the outer surface of the shielding plate is coated with an outlet sealing ring, the opening edge of the air blowing outlet vertically extends upwards along the circumferential direction to form a sealing convex ring, and the top edge of the sealing convex ring is downwards sunken along the circumferential direction to form a sealing groove. Thus, when the shielding plate shields the blast outlet, part of the outlet sealing ring is deformed and embedded into the sealing groove due to the pressure action, and the shielding and sealing effect of the shielding plate on the blast outlet is improved.

Further, the mouth edge of the blast air outlet extends downwards vertically along the circumferential direction to form an outlet joint. The air blowing outlet is convenient to be communicated with the air outlet on the inner container.

The fan is characterized by further comprising a microswitch and a trigger post, wherein the microswitch and the trigger post are used for opening and closing the fan, one end of the trigger post is fixed with the push rod, the other end of the trigger post is convexly provided with a trigger lug used for triggering the microswitch, in addition, under the state that the shielding plate rises to the highest position of the stroke of the shielding plate, the trigger lug on the trigger post is propped against a contact of the microswitch, and the fan is started. When the air blowing outlet is completely opened, the trigger column triggers the micro switch, the micro switch is closed to control the fan to be opened, and the fan rotates to start the air blowing function.

Further, micro-gap switch installs on the top surface of above-mentioned air-blast casing, and has seted up the mounting hole on the roof of this air-blast casing, and the aforesaid triggers the post and vertically wears to establish in this mounting hole and can reciprocate in this mounting hole to, the lower extreme that should trigger the post is located the air-blast casing all the time and through the fixed block with the fixed surface of above-mentioned push rod, the upper end that triggers the post is located the top surface of air-blast casing all the time, and the protruding surface of establishing in the post upper end that triggers of above-mentioned trigger lug. Therefore, the trigger column can better trigger the micro switch, and the action of the shielding plate is better linked with the closing action of the micro switch.

Further, the air blowing shell comprises an upper cover and a base, wherein the upper cover is vertically arranged, the base is horizontally arranged, the upper cover is cylindrical in shape, the top of the upper cover is closed, the base is plate-shaped, the upper cover and the base are vertically spliced to form the air blowing shell, the driving device and the microswitch are respectively installed on the top surface of the upper cover, the air blowing inlet is formed in the side surface of the upper cover, and the air blowing outlet is formed in the base. Therefore, the structure of the air blowing shell can be well realized, and the stable installation of the driving device and the microswitch can be realized.

Furthermore, the base is circular in shape, the air blowing outlet is formed in the center of the base, an installation groove for the opening edge of the upper cover to be inserted downwards along the circumferential direction is formed in the circumferential edge of the base, and an installation sealing ring is embedded in the installation groove along the circumferential direction. Thereby can guarantee the leakproofness of blast air casing, avoid the inside gas leakage of blast air casing.

Further, one end of the blower housing top surface is recessed downward to form a mounting step on the blower housing top surface, the mounting step having a first mounting plane and a second mounting plane, the first mounting plane having a height higher than the second mounting plane, the driving device being mounted on the first mounting plane, the micro switch being mounted on the second mounting plane, and the mounting hole being also opened on the second mounting plane. On the one hand, the driving device and the microswitch can be better and stably installed on the blower shell, and on the other hand, the trigger lug of the trigger column can better trigger the contact of the microswitch.

Furthermore, one end of the base extends outwards horizontally to form a mounting platform for mounting the fan. Thereby being convenient for the installation of the fan.

Further, the mounting platform is provided with a circular mounting opening, the mounting opening and the fan are arranged in a vertically opposite mode, the opening edge of the mounting opening extends upwards in a circumferential vertical mode to form a mounting annular wall, mounting convex ribs are arranged on the outer surface of the mounting annular wall at intervals in the circumferential direction, the mounting convex ribs are vertically arranged and extend in a radial mode respectively, and the top edge of each mounting convex rib can abut against the bottom surface of the fan respectively in the mounting state of the fan. On the one hand, the installation platform is firm in structure, and on the other hand, the fan can be stably installed on the installation platform.

Further, the fan is a large-specification centrifugal fan. Thereby can realize the utility model provides a big amount of wind blast air of air blast structure.

The technical solution adopted to further solve the fifth technical problem is as follows: the steaming and baking integrated machine is characterized by comprising the air blowing structure for the cooking device.

The air blower further comprises an inner container, an air outlet is formed in the top wall of the inner container, and the air blowing outlet of the air blowing shell is in fluid communication with the air outlet.

Compared with the prior art, the utility model has the advantages of: the installation space of inner bag top is limited, the utility model discloses well blast air import is seted up in the side of blast air casing, and the lower extreme at the blast air casing is seted up in the blast air export to realize the side air intake and the blast air effect of air-out down, on the basis that satisfies basic amount of wind requirement, realized that the control of fan and blast air casing sets up side by side, make the compact structure of blast air structure, be applicable to the fan of installation big specification, thereby can promote the whole amount of wind of blast air structure, realize evaporating the strong effect hydrofuge of roast all-in-one, promote and toast the effect.

Drawings

Fig. 1 is a schematic structural view of an air blowing structure in an embodiment of the present invention;

FIG. 2 is a sectional view of the blower structure according to the embodiment of the present invention;

fig. 3 is a schematic structural view of a base and a mounting platform in an embodiment of the present invention;

FIG. 4 is an exploded view of the blower structure according to the embodiment of the present invention;

fig. 5 is a schematic structural view in another direction of fig. 4.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, since the disclosed embodiments of the invention can be arranged in different orientations, these directional terms are for illustrative purposes only and should not be considered as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or consistent with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

A steaming and baking integrated machine comprises an inner container (not shown), wherein an air outlet is arranged on the top wall of the inner container, and an air blowing structure is arranged on the top surface of the inner container. As shown in fig. 1 to 5, the air blowing structure includes an air blowing housing 1 and a fan 7, which are vertically arranged, wherein a side surface of the air blowing housing 1 is opened with an air blowing inlet 101, and a lower end thereof is opened with an air blowing outlet 102, and the air blowing inlet 101 is in fluid communication with an air outlet 72 of the fan 7.

It is visible, the installation space of inner bag top is limited, the utility model discloses well blast air import 101 is seted up in the side of blast air casing 1, and blast air export 102 sets up at the lower extreme of blast air casing 1 to realize the side air intake 71 and the blast air effect of air-out down, on the basis that satisfies basic amount of wind requirement, realized that fan 7 and the left and right sides of blast air casing 1 set up side by side, make the compact structure of blast air structure, be applicable to the fan 7 of installation big specification, thereby can promote the whole amount of wind of blast air structure, realize evaporating and baking all-in-one's powerful hydrofuge. Preferably, the fan 7 in this embodiment is a large-sized centrifugal fan 7, the air volume of the air blowing structure is improved through the large-sized centrifugal fan 7, large air volume air blowing is achieved, rapid moisture removal of the steaming and baking all-in-one machine is finally achieved, the baking effect of the steaming and baking all-in-one machine is improved, and a performance foundation is laid for the steaming and baking all-in-one machine to achieve functions of air frying, fruit and vegetable drying and the like. In this embodiment, the fan 7 is specifically a 7530-standard brushless dc centrifugal fan.

Further, in this embodiment, the air blowing inlet 101 is vertically arranged, and the air blowing outlet 102 is horizontally arranged, so that the structure of the air blowing structure is further compact, and the installation of the air blowing structure above the liner is more convenient. Meanwhile, the fan 7 is horizontally arranged, the air inlet 71 of the fan 7 faces horizontally upwards, the air outlet 72 vertically extends and is communicated with the air blowing inlet 101 of the air blowing shell 1, so that the air outlet of the fan 7 can smoothly enter the air blowing shell 1, and the air blowing amount is ensured. Preferably, an inlet sealing ring 1011 is disposed at a joint between the air outlet 72 of the blower 7 and the blower inlet 101 of the blower housing 1, so as to prevent gas from leaking at the joint between the blower 7 and the blower housing 1.

For realizing the control of opening and close to the blast air outlet 102, the utility model discloses a blast air structure is still including the control assembly 3 that is used for controlling above-mentioned blast air outlet 102 to open and close. Specifically, the control module 3 includes a shielding plate 33 for shielding the blower outlet 102, a push rod 32 and a driving device 31, the upper end of the blower housing 1 is closed, the push rod 32 is vertically inserted through the top wall of the blower housing 1, the shielding plate 33 is fixed to the lower end of the push rod 32, the upper end of the push rod 32 is fixed to the output shaft of the driving device 31, and the driving device 31 is mounted on the top surface of the blower housing 1 and drives the push rod 32 to move up and down. Thus, the driving device 31 drives the shutter 33 to move up and down, thereby enabling open and close control of the air blowing outlet 102. Preferably, an outlet sealing ring 331 is wrapped around an outer surface of the shield plate 33, a rim of the blowing outlet 102 extends vertically upward in a circumferential direction to form a sealing convex ring 1021, and a top edge of the sealing convex ring 1021 is recessed downward in the circumferential direction to form a sealing groove 10211. Thus, when the shutter 33 is shielded at the air blowing outlet 102, a part of the outlet seal 331 is deformed by the pressure to be fitted into the seal groove 10211, thereby enhancing the shielding sealing effect of the shutter 33 with respect to the air blowing outlet 102. Meanwhile, in this embodiment, the opening edge of the air blowing outlet 102 extends downward vertically along the circumferential direction to form an outlet joint 1022, which facilitates the communication between the air blowing outlet 102 and the air outlet on the liner. Preferably, the caliber of the outlet joint 1022 is reduced from top to bottom, so as to ensure smooth air outlet and realize the blowing effect with large air volume and low noise. In this embodiment, the driving device 31 is a wax motor.

Further, the utility model provides a blast air structure is still including opening and close above-mentioned fan 7's micro-gap switch 4 and trigger post 5, and the one end that should trigger post 5 is fixed with above-mentioned push rod 32, and the other end is protruding to be equipped with the trigger convex block 51 that is used for triggering above-mentioned micro-gap switch 4 to, above-mentioned sunshade 33 rises to under the state of the highest position of its stroke, the above-mentioned trigger convex block 51 that triggers on the post 5 offsets with above-mentioned micro-gap switch 4's contact 41, and above-mentioned fan 7 is opened. Thus, when the blast outlet 102 is completely opened, the trigger post 5 triggers the microswitch 4, the microswitch 4 is closed to control the fan 7 to be opened, and the fan 7 rotates to start the blast function. Still further, the micro switch 4 is installed on the top surface of the blower housing 1, and the top wall of the blower housing 1 is provided with an installation hole 111, the triggering column 5 vertically penetrates through the installation hole 111 and can move up and down in the installation hole 111, moreover, the lower end of the triggering column 5 is always located in the blower housing 1 and is fixed with the surface of the push rod 32 through a fixing block 52, the upper end of the triggering column 5 is always located on the top surface of the blower housing 1, and the triggering projection 51 is convexly arranged on the outer surface of the upper end of the triggering column 5, so that the triggering column 5 can better trigger the micro switch 4, and the movement of the shielding plate 33 is better linked with the closing movement of the micro switch 4.

Specifically, the blower housing 1 includes an upper cover 11 vertically disposed and a base 12 horizontally disposed, wherein the upper cover 11 is cylindrical and closed at the top, the base 12 is plate-shaped, the upper cover 11 and the base 12 are vertically combined to form the blower housing 1, the driving device 31 and the microswitch 4 are respectively mounted on the top surface of the upper cover 11, the blower inlet 101 is opened on the side surface of the upper cover 11, and the blower outlet 102 is opened on the base 12. Thereby, the structure of the blower housing 1 can be well realized, and the stable mounting of the driving device 31 and the microswitch 4 can be realized. In this embodiment, the upper cover 11 and the base 12 are fastened up and down and then connected and fixed by a fastener (not shown).

Further, the outer shape of the base 12 is circular, the air outlet 102 is opened at the center of the base 12, and the circumferential edge of the base 12 is provided with a mounting groove 121 into which the opening edge of the upper cover 11 is inserted downward in the circumferential direction, and a mounting gasket 1211 is fitted into the mounting groove 121 in the circumferential direction, so that the sealing performance of the air blower case 1 can be ensured and the gas leakage inside the air blower case 1 can be prevented. Preferably, one end of the top surface of the blower housing 1 is recessed downward to form a mounting step 6 on the top surface of the blower housing 1, the mounting step 6 has a first mounting plane 61 and a second mounting plane 62, the first mounting plane 61 has a height higher than that of the second mounting plane 62, the driving unit 31 is mounted on the first mounting plane 61, the microswitch 4 is mounted on the second mounting plane 62, and the mounting hole 111 is also opened on the second mounting plane 62. On the one hand, a secure mounting of the drive 31 and the microswitch 4 on the blower housing 1 is better achieved, and on the other hand, the trigger cam 51 of the trigger stud 5 can better trigger the contact 41 of the microswitch 4.

In order to facilitate the installation of the fan 7, one end of the base 12 extends horizontally outwards to form a mounting platform 2 for installing the fan 7. Further, a circular mounting opening 21 is formed in the mounting platform 2, the mounting opening 21 is vertically opposite to the fan 7, the opening edge of the mounting opening 21 extends upwards in the circumferential direction vertically to form a mounting annular wall 22, mounting convex ribs 23 are arranged on the outer surface of the mounting annular wall 22 at intervals in the circumferential direction, the mounting convex ribs 23 are vertically arranged and extend radially, and the top edge of each mounting convex rib 23 can abut against the bottom surface of the fan 7 in the mounting state of the fan 7. On the one hand, the installation platform 2 can be structurally firm, and on the other hand, the fan 7 can be stably installed on the installation platform 2.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter, referred to as a first portion and a second portion) in a unified manner, i.e., a fluid (gas, liquid or a mixture thereof) can flow along a flow path from the first portion or/and be transported to the second portion, and may be directly communicated between the first portion and the second portion, or indirectly communicated between the first portion and the second portion via at least one third member, such as a fluid channel, e.g., a pipe, a channel, a duct, a flow guide member, a hole, a groove, or a chamber allowing the fluid to flow through, or a combination thereof.

Claims (18)

1. The air blowing structure for the cooking device is characterized by comprising an air blowing shell (1) and a fan (7) which are vertically arranged, wherein an air blowing inlet (101) is formed in the side surface of the air blowing shell (1), an air blowing outlet (102) is formed in the lower end of the air blowing shell, and the air blowing inlet (101) is in fluid communication with an air outlet (72) of the fan (7).

2. The blowing structure for a cooking apparatus according to claim 1, wherein the blowing inlets (101) are vertically disposed and the blowing outlets (102) are horizontally disposed.

3. The blowing structure for a cooking apparatus according to claim 2, wherein the blower (7) is horizontally disposed, and an air inlet (71) of the blower (7) is horizontally directed upward and an air outlet (72) is vertically extended and communicated with the blowing inlet (101) of the blower housing (1).

4. The blowing structure for a cooking apparatus according to claim 3, wherein an inlet seal ring (1011) is provided at a junction of the air outlet (72) of the blower (7) and the blowing inlet (101) of the blowing housing (1).

5. The blowing structure for cooking apparatuses according to any one of claims 1 to 4, further comprising a control assembly (3) for controlling opening and closing of the blowing outlet (102).

6. The blowing structure for a cooking apparatus according to claim 5, wherein the control assembly (3) includes a shield (33) for shielding the blowing outlet (102), a push rod (32), and a driving device (31), the upper end of the blowing housing (1) is closed, the push rod (32) is vertically penetrated through the top wall of the blowing housing (1), the shield (33) is fixed to the lower end of the push rod (32) and the upper end of the push rod (32) is fixed to an output shaft of the driving device (31), and the driving device (31) is installed on the top surface of the blowing housing (1) and drives the push rod (32) to move up and down.

7. The blowing structure for a cooking apparatus according to claim 6, wherein the outer surface of the shield plate (33) is covered with an outlet seal ring (331), and a rim of the blowing outlet (102) extends vertically upward in the circumferential direction to form a sealing convex ring (1021), and a top edge of the sealing convex ring (1021) is recessed downward in the circumferential direction to form a sealing groove (10211).

8. The blowing structure for a cooking apparatus according to claim 6, wherein a mouth edge of the blowing outlet (102) extends vertically downward in a circumferential direction to form an outlet joint (1022).

9. The blowing structure for a cooking apparatus according to claim 6, further comprising a micro switch (4) and a triggering post (5) for turning on and off the blower (7), wherein one end of the triggering post (5) is fixed to the push rod (32), and the other end is provided with a protruding triggering protrusion (51) for triggering the micro switch (4), and when the shielding plate (33) is lifted to the highest position of the stroke, the protruding triggering protrusion (51) on the triggering post (5) abuts against the contact (41) of the micro switch (4), and the blower (7) is turned on.

10. The blowing structure for a cooking device according to claim 9, wherein the micro switch (4) is installed on the top surface of the blowing casing (1), and a mounting hole (111) is opened on the top wall of the blowing casing (1), the triggering post (5) vertically penetrates through the mounting hole (111) and can move up and down in the mounting hole (111), and the lower end of the triggering post (5) is always located in the blowing casing (1) and fixed to the surface of the push rod (32) through a fixing block (52), the upper end of the triggering post (5) is always located above the top surface of the blowing casing (1), and the triggering protrusion (51) is protrudingly installed on the outer surface of the upper end of the triggering post (5).

11. The air blowing structure for a cooking apparatus according to claim 10, wherein the air blowing housing (1) comprises a vertically arranged upper cover (11) and a horizontally arranged base (12), wherein the upper cover (11) has a cylindrical shape and a closed top, the base (12) has a plate shape, the upper cover (11) and the base (12) are vertically combined to form the air blowing housing (1), the driving device (31) and the micro switch (4) are respectively installed on the top surface of the upper cover (11), the air blowing inlet (101) is opened on the side surface of the upper cover (11) and the air blowing outlet (102) is opened on the base (12).

12. The blowing structure for a cooking apparatus according to claim 11, wherein the base (12) has a circular outer shape, the blowing outlet (102) is opened at a center of the base (12), and a mounting groove (121) into which the rim of the upper cover (11) is downwardly inserted in a circumferential direction is formed on a circumferential edge of the base (12), and a mounting gasket (1211) is fitted in the mounting groove (121) in the circumferential direction.

13. The blowing structure for a cooking apparatus according to claim 11, wherein one end of the top surface of the blowing housing (1) is depressed downward to form a mounting step (6) on the top surface of the blowing housing (1), the mounting step (6) has a first mounting plane (61) and a second mounting plane (62), the first mounting plane (61) has a height higher than the second mounting plane (62), the driving means (31) is mounted on the first mounting plane (61), the micro switch (4) is mounted on the second mounting plane (62), and the mounting hole (111) is also opened on the second mounting plane (62).

14. The blowing structure for a cooking apparatus according to claim 11, wherein one end of the base (12) extends horizontally outward to form a mounting platform (2) for mounting the fan (7).

15. The air blowing structure for the cooking device according to claim 14, wherein the mounting platform (2) is provided with a circular mounting opening (21), the mounting opening (21) is vertically opposite to the fan (7), the opening edge of the mounting opening (21) extends upward vertically along the circumferential direction to form a mounting annular wall (22), the outer surface of the mounting annular wall (22) is provided with mounting ribs (23) at intervals along the circumferential direction, the mounting ribs (23) are respectively vertically arranged and radially extend, and the top edge of each mounting rib (23) can respectively abut against the bottom surface of the fan (7) in the mounting state of the fan (7).

16. The blowing structure for a cooking apparatus according to any one of claims 1 to 4, wherein the fan (7) is a large-sized centrifugal fan.

17. An all-in-one steaming and baking machine, which is characterized in that the all-in-one steaming and baking machine is provided with the air blowing structure for the cooking device according to any one of claims 1 to 16.

18. An all-in-one steaming and baking machine as claimed in claim 17, comprising an inner container, wherein an air outlet is arranged on the top wall of the inner container, and the air outlet (102) of the air blowing shell (1) is communicated with the air outlet in fluid.

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