CN216554536U - Fan assembly for air-frying oven - Google Patents

Abstract

The utility model provides a fan assembly for an air-frying oven, which comprises a fan shell cover and a fan arranged on the fan shell cover, wherein the fan shell cover is arranged on the outer wall surface of a baking cavity of the air-frying oven; the drive shaft cover wall of fan, this cover wall is formed with the intercommunication mouth in the position of running through, and intercommunication mouth intercommunication suction cavity and air-out cavity, drive shaft are fixed with first impeller and second impeller, and first impeller can be through the intercommunication mouth with the air current suction air-out cavity of suction cavity. This fan subassembly can promote the function of circulated air, can also play the effect of carrying heat dissipation cooling air current to the refrigerated position that needs the heat dissipation on the oven, has effectively solved the relatively single problem of driving motor function of air-fried oven.

Description

Fan assembly for air-frying oven

Technical Field

The utility model relates to the technical field of ovens, in particular to a fan assembly for an air-fried oven.

Background

Air-frying ovens are, in principle, almost identical to ovens that use heat radiation to cook food. However, the air frying oven utilizes a high-speed air circulation technology, the temperature is quickly raised, the temperature is concentrated, heat can quickly penetrate through food, and the cooking is more efficient, so that the air frying oven is more and more popular with users.

The driving motor in the present desktop air-frying oven product generally only has the function of causing hot air in the cavity to convect, and the function is relatively single.

In summary, how to solve the problem that the function of the driving motor of the air-frying oven is relatively single has become a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a fan assembly for an air-fryer to solve the problem of relatively single function of a driving motor for an air-fryer.

In order to achieve the purpose, the utility model provides a fan assembly for an air-frying oven, which comprises a fan shell cover and a fan arranged on the fan shell cover, wherein the fan shell cover is arranged on the outer wall surface of a baking cavity of the air-frying oven, a cover wall is arranged between the fan shell cover and the baking cavity, the cover wall and the outer wall surface are enclosed to form a suction cavity, the cover wall and the fan shell cover form an air outlet cavity, and the suction cavity is provided with a cold air inlet communicated with the outside of the fan shell cover;

the air-frying oven is characterized in that a driving shaft of the fan is in transmission connection with a driving motor of the air-frying oven, the driving shaft penetrates through the fan housing, the housing wall and the baking cavity, a communicating port is formed in the penetrating position of the housing wall, the communicating port is communicated with the suction cavity and the air outlet cavity, a first impeller and a second impeller are respectively fixed in the fan housing and the baking cavity, and the first impeller can suck air flow of the suction cavity into the air outlet cavity through the communicating port.

Optionally, the driving shaft is an output shaft of the fan, a driving shaft sleeve is fixedly sleeved on the output shaft, and the first impeller and the second impeller are both fixed on the driving shaft sleeve.

Optionally, the drive shaft is provided with a third impeller at a position outside the blower housing and close to the drive motor.

Optionally, the drive shaft is provided with a third impeller at a position on top of the drive motor.

Optionally, the first impeller includes a fan blade fixed to the driving shaft and a bottom wind cowl arranged perpendicularly to the driving shaft, the bottom wind cowl is located on a side close to the communication port, and the fan blade is located on a side far from the communication port; the middle part of end fan housing be formed with the intercommunication mouth intercommunication induced draft through-hole, the drive shaft run through induced draft through-hole and with induced draft through-hole keeps presetting the clearance, end fan housing with flabellum fixed connection.

Optionally, the bottom fan cover is connected with the fan blades through buckles.

Optionally, the flabellum is the L template, the L template includes first plate and the second plate that mutually perpendicular linked up, first plate is relative end fan housing is arranged perpendicularly, the second plate is relative end fan housing parallel arrangement, first plate orientation end fan housing's one side with end fan housing fixed connection.

Optionally, the air suction through hole is arranged concentrically with the communication port.

Optionally, a diameter of the air suction through hole is smaller than a diameter of the communication port.

Optionally, the fan assembly is capable of cooling a door panel of the air-frying oven, the door panel including a main panel region and a circuit board mounting region that are isolated from each other;

the main door plate area comprises a first air inlet, a first air outlet and an interlayer which are mutually communicated, the first air inlet is communicated with the outside, and the first air outlet is communicated with the suction cavity;

the circuit board mounting area comprises a second air inlet and a second air outlet which are communicated with each other, the second air inlet is communicated with the air outlet cavity, and the second air outlet is communicated with the outside.

Compared with the introduction content of the background technology, the fan assembly for the air-frying oven comprises a fan shell cover and a fan arranged on the fan shell cover, wherein the fan shell cover is arranged on the outer wall surface of a baking cavity of the air-frying oven; the drive shaft of fan is connected with the drive motor transmission of air-fry oven, and the drive shaft runs through fan housing, cover wall and baking chamber, and the cover wall is formed with the intercommunication mouth on running through the position, and intercommunication mouth intercommunication suction cavity and air-out cavity, drive shaft are fixed with first impeller and second impeller respectively in fan housing and baking chamber, and first impeller can be through the intercommunication mouth with the air current suction air-out cavity of suction cavity. This fan subassembly, in the actual work process, when the fan functions, the drive shaft drives first impeller and second impeller rotation simultaneously, wherein, the main effect of second impeller is to stir the hot gas flow of baking intracavity portion, so that the hot gas flow circulates at the baking intracavity, the main effect of first impeller is through the intercommunication mouth with the air current suction air-out cavity of suction cavity, make then produce the negative pressure effect in the suction cavity, external air current can get into suction cavity through the cold wind air inlet, export by air-out cavity to the position that needs heat dissipation cooling on the oven again, therefore, this fan subassembly makes driving motor not only can promote the function of circulated air, can also play the effect of carrying heat dissipation cooling air current to the position that needs heat dissipation cooling on the oven, the problem that the driving motor function of air-frying oven is single relatively has effectively been solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of an air-fryer oven according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a wall of a par-fry oven removal enclosure provided by an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of FIG. 2;

FIG. 4 is a schematic perspective view of an oven door panel according to an embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of an oven door panel according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a fan provided in an embodiment of the present invention.

Labeled in fig. 1-6:

the baking oven comprises an interlayer 1, a first air inlet 11, a first air outlet 12, a blocking rib 13, a baking cavity 2, an outer wall surface 2a, a second air inlet 21, a second air outlet 22, a sealing ring 23, a fan assembly 3, a fan housing 3a, a fan 3b, a housing wall 3c, a communication port 3c1, a suction cavity 31, a cold air inlet 31a, an air outlet cavity 32, a driving shaft 33, an impeller 34, a first impeller 34a, fan blades 34a1, a bottom fan housing 34a2, a suction through hole 34a3, a second impeller 34b, a third impeller 34c, a driving motor 35, an oven door panel 4, a main door panel area 41, a circuit board safety area 42, a housing 5, a cold air cavity 6, an air inlet grille 61, a first air inlet grille 61a and a second air inlet grille 61 b.

Detailed Description

The core of the utility model is to provide a fan assembly for an air-frying oven, so as to solve the problem that the function of a driving motor for the air-frying oven is relatively single.

In order to make those skilled in the art better understand the technical solutions provided by the present invention, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

As shown in fig. 1-6, an embodiment of the present invention provides a fan assembly for an air-frying oven, including a fan housing 3a and a fan 3b disposed on the fan housing, where the fan housing 3a is disposed on an outer wall surface 2a of a baking cavity 2 of the air-frying oven, a housing wall 3c is disposed between the fan housing 3a and the baking cavity 2, the housing wall 3c and the outer wall surface 2a enclose a suction cavity 31, the housing wall 3c and the fan housing 3a form an air outlet cavity 32, and the suction cavity 31 is provided with a cold air inlet 31a communicated with an outside of the fan housing 3 a; a driving shaft 33 of the fan 3b is connected to a driving motor 35 of the air-frying oven in a transmission manner, the driving shaft 33 penetrates through the fan housing cover 3a, the cover wall 3c and the roasting cavity 2, a communication port 3c1 is formed at the penetrating position of the cover wall 3c, the communication port 3c1 communicates with the suction cavity 31 and the air-out cavity 32, a first impeller 34a and a second impeller 34b are respectively fixed to the driving shaft 33 in the fan housing cover 3a and the roasting cavity 2, and the first impeller 34a can suck the air flow in the suction cavity 31 into the air-out cavity 32 through the communication port.

In the actual operation process of the fan assembly, when the fan operates, the driving shaft 33 drives the first impeller 34a and the second impeller 34b to rotate simultaneously, wherein, the second impeller 34b mainly functions to stir the hot air flow in the baking cavity 2, so that the hot air current circulates in the roasting cavity 2, the first impeller 34a mainly functions to suck the air current of the suction cavity 31 into the air outlet cavity 32 through the communication opening 3c1, and then the negative pressure effect is generated in the suction cavity 31, the external air current can enter the suction cavity 31 through the cold air inlet 31a, and then is output to the part of the oven needing heat dissipation and cooling through the air outlet cavity 32, therefore, this fan subassembly makes driving motor 35 not only can promote the function of circulated air, can also play the effect of carrying heat dissipation cooling air current to the refrigerated position that needs the heat dissipation on the oven, has effectively solved the relatively single problem of driving motor 35 function of air-fried oven.

In some specific embodiments, the driving shaft 33 is specifically an output shaft of the fan 3b, and the output shaft is fixedly sleeved with a driving shaft sleeve 3b2, and the first impeller 34a and the second impeller 34b are both fixed on the driving shaft sleeve 3b 2. Through setting up drive shaft sleeve 3b2 for first impeller 34a and second impeller 34 b's fixed mounting is more convenient, can specifically penetrate baking cavity 2 with drive shaft sleeve 3b2 earlier, then with second impeller 34b from baking cavity 2's internally mounted to drive shaft sleeve 3b2, later with first impeller 34a installation fixed to drive shaft sleeve 3b2 on, then when installing fan 3b, with drive shaft sleeve 3b2 installation fixed to the output shaft.

It should be noted that the specific manner of mounting the first impeller 34a and the second impeller 34b to the driving sleeve 3b2 can be a key connection, or other fixed connection commonly used by those skilled in the art, and is not limited in more detail herein.

In some more specific embodiments, a third impeller 34c for heat dissipation cooling of the driving motor 35 may be further provided on the driving shaft 33. The third impeller 34c may be disposed at a position outside the blower housing 3a and near the drive motor 35; or may be disposed at a position on top of the driving motor 35, and actually, during the process, the position may be selected according to the actual space arrangement requirement, which is not limited in more detail herein.

In some specific embodiments, the first impeller 34a may specifically include a fan blade 34a1 fixed to the driving shaft 33 and a bottom wind shield 34a2 arranged perpendicularly to the driving shaft 33, the bottom wind shield 34a2 is located on a side close to the communication port 3c1, and the fan blade 34a1 is located on a side far from the communication port 3c 1; a suction through hole 34a3 communicated with the communication port 3c1 is formed in the middle of the bottom fan cover 34a2, the driving shaft 33 penetrates through the suction through hole 34a3 and maintains a preset gap with the suction through hole 34a3, and the bottom fan cover 34a2 is fixedly connected with the fan blades 34a 1. The size and number of the fan blades 34a1 can be selected according to actual requirements, and are not limited in any way. It is understood that the first impeller 34a is designed as the preferred example of the embodiment of the present invention, and other configurations known to those skilled in the art can be designed in practical application, and are not limited herein.

In a further embodiment, the bottom fan cover 34a2 and the fan blades 34a1 may be connected by a snap, for example, a slot corresponding to the arrangement position of the fan blades 34a1 is provided on the bottom fan cover 34a2, and a latch corresponding to the slot is formed on one side of the fan blades 34a1 facing the bottom fan cover 34a 2. The two blades are more convenient to disassemble and assemble in a clamping and matching mode, when one blade 34a1 is damaged, only the damaged blade needs to be replaced, and the maintenance cost is greatly reduced. It is understood that, in practical application, other detachable structures may be adopted, such as a fastening manner by a fastener; or a non-detachable connection mode is adopted, such as an integrally formed structure or a welded connection structure, and in the practical application process, selection can be performed according to specific requirements.

In some more specific embodiments, the fan blades 34a1 may specifically be an L-shaped plate, where the L-shaped plate includes a first plate and a second plate that are vertically connected to each other, the first plate is vertically arranged with respect to the bottom wind cover 34a2, the second plate is parallel arranged with respect to the bottom wind cover 34a2, and a side of the first plate facing the bottom wind cover 34a2 is fixedly connected to the bottom wind cover 34a 2. By designing blade 34a1 as an L-shaped plate, the blade can be more easily manufactured. Of course, the structure of the L-shaped plate is only a preferred example of the present invention, and other structural forms may also be adopted in the practical application process, which is not limited in more detail herein.

In some more specific embodiments, the air suction through hole 34a3 and the communication port 3c1 are preferably designed to be concentrically arranged; and the diameter of the suction through hole 34a3 is preferably designed to be smaller than that of the communication port 3c 1. By designing both to be a concentrically arranged structure and the diameter of the air suction through hole 34a3 to be preferably smaller than the diameter of the communication port 3c1, it is possible to contribute to the air suction effect of the communication port 3c 1.

The following description is made in conjunction with a specific embodiment of the fan assembly 3 when applied to an air-fry oven:

generally, the oven door panel 4 of the air-fryer includes a main door panel region 41 and a circuit board mounting region 42 that are isolated from each other; the main door panel area 41 comprises a first air inlet 11, a first air outlet 12 and an interlayer 1 which are communicated with each other, the first air inlet 11 is communicated with the outside, and the first air outlet 12 is communicated with the suction cavity 31; the circuit board mounting area 42 includes a second air inlet 21 and a second air outlet 22 that are communicated with each other, the second air inlet 21 is communicated with the air outlet cavity 32, and the second air outlet 22 is communicated with the outside.

In the actual working process of the oven, when the fan 3b is operated, the suction cavity 31 is communicated with the first air outlet 12, so that the outside atmosphere can enter the interlayer 1 through the first air inlet 11, and then the heat dissipation of the main door panel area 41 can be realized, in addition, as the suction cavity 31 is also provided with a cold air inlet 31a communicated with the outside of the fan shell cover 3a, the outside atmosphere can enter the suction cavity 31 through the cold air inlet 31a, at the moment, the air flow after the heat exchange of the interlayer 1 and the air flow introduced by the cold air inlet 31a are mixed in the suction cavity 31 and then enter the air outlet cavity 32 through the communication port 3c1, at the moment, the temperature of the mixed air flow can be obviously reduced to meet the heat dissipation requirement of electronic components, the air outlet cavity 32 is introduced into the circuit board mounting area 42 through the second air inlet 21, and the air flow in the circuit board mounting area 42 is discharged through the second air outlet 22, therefore, the electronic components in the circuit board mounting area 42 can be radiated, the oven can not only radiate the main door panel area 41 of the oven door panel 4 and prevent the oven from scalding users, but also radiate the circuit board mounting area 42 of the oven door panel 4 and effectively protect the electronic components; and no extra cooling fan is needed to be configured for the electronic components, so that the cost is effectively reduced.

It should be noted that, when the oven structure is particularly applied to the air-frying oven, the effects of improving the cooling effect, preventing scalding hands and reducing the cost are more obvious.

In some embodiments, to facilitate the observation of the cooking conditions inside the oven, main door panel region 41 is generally made of a transparent material, and partition 1 of main door panel region 41 may specifically include at least two transparent plates. The cavity between the transparent plates forms a heat dissipation cavity of the interlayer 1. Through designing into the structure of two-layer at least transparent plate, not only can conveniently observe the inside baking condition of oven to the heat dissipation chamber of first air intake 11, first air outlet 12 and interlayer 1 that the cooperation communicates each other, the user of preventing scalding that can be better.

It should be noted that the transparent plate may be a glass plate, or may be other transparent plates known to those skilled in the art, for example, a high temperature resistant transparent plastic plate, and during the practical application, the configuration may be selected according to the practical requirement, which is not limited herein.

In some more specific embodiments, the main door panel area 41 faces the toasting chamber 2, the circuit board mounting area 42 is located at the top of the main door panel area 41, i.e., the portion of the main door panel area 41 that faces above the toasting machine and that faces above the toasting chamber 2, the first air inlet 11 is formed at the bottom of the main door panel area 41, the first air outlet 12 is formed at the top of the main door panel area 41, and the opening of the first air outlet 12 faces the suction chamber 31. It is understood that the above-mentioned manner of disposing the circuit board mounting area 42 on the top of the main door panel area 41 and the manner of designing the first air inlet 11 on the bottom of the main door panel area 41 are merely preferred examples of the embodiment of the present invention, and during the practical application, the first air inlet 11 may also be designed at other positions, for example, may be designed at the left side, the right side or the lower side of the main door panel area 41, and the corresponding first air inlet 11 is designed at the side of the main door panel area 41 opposite to the position of the circuit board mounting area 42, and during the practical application, the configuration may be performed according to specific requirements.

It should be noted that, when the circuit board mounting region 42 is located at the top of the main door panel region 41, that is, at the upper position, the fan assembly 3 is preferably disposed at the top of the oven, so that the suction cavity 31 of the fan assembly 3 is communicated with the first air outlet 11, and the air outlet cavity 32 is communicated with the second air inlet 21, which is more convenient to arrange.

In a further embodiment, the second outlet 22 may be disposed on a wall surface of the second inlet 21; the second air outlet 22 may also be disposed on a wall surface of the top of the circuit board mounting area 42, and in an actual application process, the arrangement may be selected according to specific arrangement requirements, which is not limited herein.

In some specific embodiments, in order to ensure that the air flow from the air outlet cavity 32 to the second air inlet 21 is more stable, a sealing ring 23 is further disposed on the periphery of the second air inlet 21, and when the oven door panel 4 covers the oven, the second air inlet 21 is communicated with and sealed with the air outlet cavity 32.

It should be noted that, when the second outlet 22 is disposed on the wall surface of the second inlet 21, the sealing ring 23 can separate the second inlet 21 and the second outlet 22.

It should be noted that the sealing ring 23 also has a function of separating the second air inlet 21 and the first air outlet 12 when the oven door panel 4 covers the oven.

In the further embodiment, when oven door panel 4 lid closes the oven, in order to guarantee the leakproofness of first air outlet 12 and suction cavity 31 intercommunication, first air outlet 12 below still is equipped with fender muscle 13, and when oven door panel 4 lid closes the oven, fender muscle 13 can with the sealing strip extrusion fit on the door frame of oven, realize then that first air outlet 12 communicates and seals with suction cavity 31.

In some more specific embodiments, the oven may further include a housing cover 5 covering the outer wall surface 2a of the broiling cavity 2 and the outside of the fan housing cover 3a, a cool air cavity 6 is formed between the outer wall surface 2a of the broiling cavity 2 and the outside of the fan housing cover 3a and the housing cover 5, the cool air cavity 6 has an air inlet grille 61 communicated with the outside air, and the cool air inlet 31a is communicated with the cool air cavity 6. Through setting up cold wind chamber 6 and air-inlet grille 61, can make the air current that gets into in the suction cavity 31 more stable, can avoid debris to block up cold wind import simultaneously.

In a further embodiment, the air inlet grille 61 may specifically include a first air inlet grille 61a and a second air inlet grille 61b, the first air inlet grille 61a is formed on the housing cover 5, a U-shaped plate is disposed on the inner side of the housing cover 5 opposite to the first air inlet grille 61a, and the second air inlet grille 61b is formed on the U-shaped plate. Foreign materials can be more effectively prevented from entering and blocking the cold air inlet 31a by designing the U-shaped plate and the second air inlet grille 61b on the U-shaped plate.

It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.

In addition, in the description of the present application, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are referred to, the directions or positional relationships indicated are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific direction, be configured and operated in a specific direction, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third," if used in relation to each other, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

It is also noted that, in this document, if it is referred to terms such as "comprises", "comprising", or any other variation thereof, it is intended to cover a non-exclusive inclusion, such that an article or apparatus including a list of elements includes not only those elements but also other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in an article or device that comprises the element.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the core concepts of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (10)

1. A fan assembly for an air-frying oven is characterized by comprising a fan shell cover (3a) and a fan (3b) arranged on the fan shell cover, wherein the fan shell cover (3a) is arranged on the outer wall surface (2a) of a baking cavity (2) of the air-frying oven, a cover wall (3c) is arranged between the fan shell cover (3a) and the baking cavity (2), the cover wall (3c) and the outer wall surface (2a) are enclosed to form a suction cavity (31), the cover wall (3c) and the fan shell cover (3a) form an air outlet cavity (32), and the suction cavity (31) is provided with a cold air inlet (31a) communicated with the outside of the fan shell cover (3 a);

a driving shaft (33) of the fan (3b) is in transmission connection with a driving motor (35) of the air-frying oven, the driving shaft (33) penetrates through the fan housing cover (3a), the cover wall (3c) and the baking cavity (2), a communication port (3c1) is formed in the penetrating position of the cover wall (3c), the communication port (3c1) is communicated with the suction cavity (31) and the air outlet cavity (32), a first impeller (34a) and a second impeller (34b) are respectively fixed in the fan housing cover (3a) and the baking cavity (2) of the driving shaft (33), and the first impeller (34a) can suck the air flow of the suction cavity (31) into the air outlet cavity (32) through the communication port.

2. A fan assembly for an air-frying oven as claimed in claim 1, characterised in that the drive shaft (33) is an output shaft of the fan (3b) and a drive bush (3b2) is fixedly mounted on the output shaft, the first impeller (34a) and the second impeller (34b) being fixed to the drive bush (3b 2).

3. A fan assembly for a par-fry oven according to claim 1, characterized in that the drive shaft (33) is provided with a third impeller (34c) at a location outside the fan housing (3a) and close to the drive motor (35).

4. A fan assembly for an air-frying oven according to claim 1, characterized in that the drive shaft (33) is provided with a third impeller (34c) at a position on top of the drive motor (35).

5. The fan assembly for a par-fry oven according to claim 1, characterized in that said first impeller (34a) comprises a fan blade (34a1) fixed to said drive shaft (33) and a bottom hood (34a2) arranged perpendicularly with respect to said drive shaft (33), said bottom hood (34a2) being located at a side close to said communication opening (3c1), said fan blade (34a1) being located at a side far from said communication opening (3c 1); the middle part of end fan housing (34a2) is formed with induced draft through-hole (34a3) that intercommunication mouth (3c1) communicate, drive shaft (33) run through induced draft through-hole (34a3) and with induced draft through-hole (34a3) keep predetermineeing the clearance, end fan housing (34a2) with flabellum (34a1) fixed connection.

6. The fan assembly for an air-frying oven as claimed in claim 5, characterized in that the bottom hood (34a2) is snap-connected with the fan blades (34a 1).

7. The fan assembly for a par-frying oven as claimed in claim 5, characterized in that said fan blades (34a1) are L-shaped plates comprising a first plate and a second plate which are vertically engaged with each other, said first plate being arranged vertically with respect to said bottom hood (34a2), said second plate being arranged parallel with respect to said bottom hood (34a2), said first plate being fixedly connected to said bottom hood (34a2) on a side facing said bottom hood (34a 2).

8. The fan assembly for an air-frying oven according to claim 5, characterized in that the suction through hole (34a3) is arranged concentrically with the communication port (3c 1).

9. The fan assembly for an air-frying oven according to claim 5, characterized in that the diameter of the suction through hole (34a3) is smaller than the diameter of the communication port (3c 1).

10. A fan assembly for a par-frying oven according to any of claims 1-9, characterized in that the fan assembly (3) is capable of heat-sink cooling of an oven door panel (4) of the par-frying oven, the oven door panel (4) comprising a main door panel region (41) and a circuit board mounting region (42) that are isolated from each other;

the main door panel area (41) comprises a first air inlet (11), a first air outlet (12) and an interlayer (1), wherein the first air inlet (11) is communicated with the outside, and the first air outlet (12) is communicated with the suction cavity (31);

the circuit board mounting area (42) comprises a second air inlet (21) and a second air outlet (22) which are communicated with each other, the second air inlet (21) is communicated with the air outlet cavity (32), and the second air outlet (22) is communicated with the outside.

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