CN221489735U - Air fryer - Google Patents

Abstract

The utility model discloses an air fryer, belonging to the technical field of household appliances, solving the problems of lower efficiency of exhausting hot air by an exhaust pipeline and easy user scalding caused by higher temperature, the technical proposal for solving the problems is mainly that a cooking cavity and an installation cavity are separated by a reflecting cover, a hot air component comprises a first fan positioned in the cooking cavity, the installation cavity is provided with a driving motor for driving the first fan, the reflecting cover is provided with a ventilation through hole, the organism is equipped with the passageway of airing exhaust with cooking cavity and external space intercommunication, and the passageway of airing exhaust is including locating the exhaust pipe of installing the intracavity, exhaust pipe and ventilative through-hole intercommunication, and the pipe wall of exhaust pipe is equipped with the ventilation hole with installing the chamber and airing exhaust passageway intercommunication, and the inside wall of exhaust pipe is equipped with the protruding muscle of water conservancy diversion, and the bottom of the protruding muscle of water conservancy diversion is located the lower edge in ventilation hole, and the protruding muscle of water conservancy diversion extends to the central slope of exhaust pipe along the direction of airing exhaust. The utility model is mainly used for rapidly discharging hot air and improving the use safety.

Description

Air fryer

Technical Field

The utility model relates to the technical field of household appliances, in particular to an air fryer.

Background

The air fryer is a novel household appliance for frying food by utilizing a high-speed and high-temperature air circulation technology, and compared with the traditional electric fryer, the food made of the novel household appliance can reduce 80% of grease, is easy to clean in daily use, is safe and economical, and is favored by people.

The existing air fryer generally comprises a machine body, wherein a cooking cavity is formed in the machine body, a hot air component capable of feeding high-temperature air into the cooking cavity is arranged in the machine body, a pot body for containing food is arranged in the cooking cavity, high-temperature hot air generated during working of the hot air component is utilized to heat food materials in the pot body, the hot air is fully contacted with the food, moisture is instantly and rapidly lost on the surface of the food, or grease generated by the food is added, so that crisp taste is formed on the surface of the food, and the fried effect is achieved.

For example, the patent of prior art CN218419490U discloses an air outlet structure of an air fryer, which comprises an organic cover (1), a wind scooper (2) arranged in the cover (1), a heat shield (3) arranged in the wind scooper (2) and a heating tube (4) arranged in the heat shield (3), wherein the cover (1) is provided with an air outlet (12), the wind scooper (2) is provided with an air outlet (22), an air exhaust pipeline (5) is connected between the air outlet (22) and the air outlet (12), and the air exhaust pipeline (5) extends from the air outlet (22) to the air outlet (12) in an upward inclined manner. The exhaust pipeline is arranged to extend upwards in an inclined mode from the air outlet of the air guide cover to the direction of the air outlet of the cover in the prior art, so that finally discharged hot air is blown upwards in an inclined mode, and is not directly blown against the wall surface, and the wall surface temperature can be prevented from being too high. However, the discharge speed of the hot air is slower, and the temperature rise of the shell and the wall surface is too high, so that scalding accidents are easy to occur.

Disclosure of utility model

The utility model aims to provide an air fryer, which solves the problems that the efficiency of exhausting hot air through an exhaust pipeline is low and the user is easy to scald due to high temperature, can quickly exhaust the hot air and improves the use safety.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an air fryer, includes the organism and locates the culinary art chamber of organism, installation cavity, bowl, hot-blast subassembly, and culinary art chamber, installation cavity separate through the bowl, and hot-blast subassembly is including being located the first fan of culinary art intracavity, and the installation cavity is equipped with the driving motor of drive first fan, and the bowl is equipped with ventilative through-hole, and the organism is equipped with the passageway of airing exhaust with cooking chamber and outside space intercommunication, and the passageway of airing exhaust is including locating the exhaust pipe in the installation cavity, exhaust pipe and ventilative through-hole intercommunication, the pipe wall of exhaust pipe is equipped with the ventilation hole with the installation cavity with the passageway of airing exhaust intercommunication, and the inside wall of exhaust pipe is equipped with the water conservancy diversion protruding muscle, and the bottom of water conservancy diversion protruding muscle is located the lower edge in ventilation hole, and the water conservancy diversion protruding muscle extends to the central slope of exhaust pipe along the direction of airing exhaust.

After the technical scheme is adopted, the utility model has the following advantages: one end of the exhaust pipe is communicated with the ventilation through hole, the other end of the exhaust pipe is communicated with the external space, hot air in the cooking cavity is exhausted to the external space, and the diversion convex rib is designed to accelerate the hot air exhaust. When the air fryer works, the pressure in the cooking cavity rises, meanwhile, the density of hot air is smaller, the hot air can be promoted to flow to the external space through the exhaust channel, when the hot air flows upwards in the exhaust pipe, a negative pressure area is formed through the vent hole, the pressure difference formed at the negative pressure area can promote cold air in the installation cavity to flow into the exhaust pipe from the vent hole, and the cold air can be mixed with the hot air to reduce the temperature of the hot air, so that the risk of scalding a user is reduced; the air guide convex ribs extend to the center of the exhaust pipe in an inclined mode along the exhaust direction, the cross section area of the exhaust pipe can be gradually reduced along with the flow of hot air, and therefore the effect of accelerating the hot air is achieved, the hot air is enabled to be discharged more quickly, and the phenomenon that the temperature of a machine body is too high due to the fact that the hot air stays in the exhaust pipe for a long time is prevented.

Further, a second fan driven by the driving motor is arranged in the mounting cavity, and at least part of the ventilation holes face the second fan. By adopting the technical scheme, the second fan rotates to drive cold air to flow into the exhaust pipe more rapidly, so that the cold air with high density is promoted to be mixed with low-density hot air, the temperature of the hot air can be reduced better, the hot air discharging efficiency is improved, meanwhile, the second fan rotates to introduce external space cold air to cool and dissipate heat of all parts in the installation cavity, and the use safety is ensured.

Further, the distribution density of the ventilation holes on the exhaust pipe on the side facing the second fan is higher than that on the exhaust pipe on the side facing away from the second fan; and/or the distribution density of the ventilation holes on the exhaust pipe in the height range of the second fan is higher than the distribution density on the exhaust pipe outside the height range of the second fan. By adopting the technical scheme, the distribution density of the vent holes on the exhaust pipe facing the side of the second fan is higher, and/or the distribution density of the vent holes on the exhaust pipe located in the height range of the second fan is higher, so that the air quantity of cold air entering the exhaust pipe can be increased, the cold air can be more quickly mixed with hot air, and the temperature of the hot air can be reduced and the hot air can be more quickly discharged.

Further, the flow guiding convex ribs are provided with a plurality of layers and are distributed at intervals along the exhaust direction, and two adjacent layers of flow guiding convex ribs are staggered with each other in the circumferential direction of the exhaust pipe; and/or the projection of the flow guide convex rib on the inner side wall of the exhaust pipe covers the vent hole. By adopting the technical scheme, the adjacent two layers of the flow guiding convex ribs are staggered in the circumferential direction of the exhaust pipe, so that cold air can flow into the exhaust pipe uniformly as much as possible and is fully mixed with hot air, the temperature of the hot air is reduced better, meanwhile, the hot air can be guided to spirally rotate and rise along the flow guiding convex ribs, the flow speed of the hot air is accelerated, the hot air is promoted to be discharged rapidly, and the discharge efficiency of the hot air can be improved. The projection of the flow guide convex ribs on the inner side wall of the exhaust pipe covers the vent holes, so that hot air can not flow into the installation cavity.

Further, the included angle between the flow guide convex rib and the inner wall of the exhaust pipe is 30-60 degrees. By adopting the technical scheme, cold air can smoothly flow into the exhaust pipe along the upper inclined plane of the flow guiding convex rib, and hot air can also rapidly flow along the lower inclined plane of the flow guiding convex rib; if the included angle between the flow guiding convex ribs and the inner wall of the exhaust pipe is smaller than 30 degrees, the flow guiding convex ribs can obstruct the inflow of cold air, so that the amount of the cold air entering the exhaust pipe is reduced, and the cooling effect on the hot air is affected; if the included angle between the flow guiding convex rib and the inner wall of the exhaust pipe is larger than 60 degrees, hot air possibly flows into the mounting cavity from the vent hole, and the hot air is not discharged easily.

Further, the machine body is provided with an air inlet for communicating the installation cavity with the external space, and at least part of the ventilation holes face the air inlet. By adopting the technical scheme, the air inlet is used for sucking cold air in the external space, at least part of the ventilation holes face the air inlet, so that the cold air can enter the exhaust pipe more quickly after entering the installation cavity, and the effect of reducing the temperature of the hot air is improved.

Further, the top surface of organism is equipped with the air outlet of exhaust passageway, and the top and the air outlet intercommunication of exhaust pipe. By adopting the technical scheme, the top surface of the machine body is provided with the air outlet, and the hot air can be discharged from the top surface of the machine body through the exhaust pipe, so that the temperature of the machine body is prevented from being too high, the wall surface can be prevented from being directly blown, and the wall surface temperature is prevented from being too high.

Further, the diameter of the top end of the exhaust pipe is smaller than that of the bottom end. By adopting the technical scheme, the cross-sectional area at the top end of the exhaust pipe is smaller, the flow speed of hot air at the top end of the exhaust pipe is faster, the hot air is favorably and rapidly discharged, and the backflow of the hot air can be avoided.

Further, a mounting bracket for mounting the driving motor is arranged in the mounting cavity, a mounting through hole for the exhaust pipe to pass through is formed in the mounting bracket, and a positioning convex rib positioned at the mounting through hole is arranged on the outer side surface of the exhaust pipe. By adopting the technical scheme, the mounting bracket is used for fixedly supporting the driving motor, the driving motor is guaranteed to stably run, the mounting through hole can be used for the exhaust pipe to pass through, the exhaust pipe is convenient to mount, the exhaust pipe is limited and prevented from shaking, and the positioning convex rib can further improve the stability of the exhaust pipe.

Further, the side wall of the installation cavity is provided with an air outlet of the air exhaust channel, and the top end of the air exhaust pipe is communicated with the air outlet.

Further, the side wall of the installation cavity is provided with an air outlet cover, the air outlet is arranged on the air outlet cover, the air outlet cover is provided with a connecting part extending inwards, and the top end of the exhaust pipe is spliced with the connecting part. By adopting the technical scheme, the exhaust pipe is arranged to be inclined upwards from the ventilation through hole of the cooking cavity to the direction of the air outlet of the side wall of the installation cavity, so that finally exhausted hot air is inclined upwards to be blown out, and the exhaust pipe is not directly blown against the wall surface, and the wall surface temperature can be prevented from being too high. The air outlet cover is provided with a plurality of air outlet holes which are arranged at intervals, hot air is divided into a plurality of strands, a large amount of hot air is prevented from being intensively discharged to scald users, the air outlet cover can also prevent sundries from blocking the air outlet pipe, the top end of the air outlet pipe is spliced with the connecting part, the air outlet pipe is prevented from being separated from the air outlet cover, and the stability of the installed air outlet pipe is ensured.

Drawings

The utility model is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic illustration of an air fryer in accordance with the present utility model;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic diagram of the exhaust duct;

FIG. 4 is a cross-sectional view of an exhaust duct;

FIG. 5 is a schematic illustration of an air fryer of the utility model (II);

Fig. 6 is an enlarged view at B in fig. 5.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments.

The terms "first," "second," and the like in the description and in the claims, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order, and do not necessarily indicate a "first" even if a "second" is used before a certain feature. It should be understood that in the present utility model, "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. It should be understood that in the present utility model, "plurality" means two or more. "and/or" is merely an association relationship describing an association object, meaning that three relationships may exist, for example, X and/or Y may represent: x alone, X and Y together, and Y alone. The character "/" generally indicates that the context-dependent object is an "or" relationship. "comprising X, Y and Z", "comprising X, Y, Z" means that all three of X, Y, Z comprise, "comprising X, Y or Z" means that one of X, Y, Z comprises, "comprising X, Y and/or Z" means that any one or any two or three of X, Y, Z comprise.

The technical scheme of the utility model is described in detail below by specific examples. The following specific embodiments may be combined with or replaced with each other according to actual situations, and the same or similar concepts or processes may not be described in detail in some embodiments.

As shown in fig. 1 to 4, the utility model provides an air fryer, which comprises a machine body 1, a cooking cavity 2, a mounting cavity 3, a reflecting cover 4 and a hot air component, wherein the cooking cavity 2 and the mounting cavity 3 are arranged in the machine body 1, the cooking cavity 2 and the mounting cavity 3 are separated by the reflecting cover 4, the hot air component comprises a first fan 36 positioned in the cooking cavity 2, the mounting cavity 3 is provided with a driving motor 31 for driving the first fan 36, the reflecting cover 4 is provided with an air ventilation through hole 41, the machine body 1 is provided with an air exhaust channel for communicating the cooking cavity 2 with an external space, the air exhaust channel comprises an air exhaust pipe 32 arranged in the mounting cavity 3, the air exhaust pipe 32 is communicated with the air ventilation through hole 41, the pipe wall of the air exhaust pipe 32 is provided with a ventilation hole 321 for communicating the mounting cavity 3 with the air exhaust channel, the inner side wall of the air exhaust pipe 32 is provided with a flow guide convex rib 322, the bottom end of the flow guide convex rib 322 is positioned at the lower edge of the ventilation hole 321, and the flow guide convex rib 322 extends obliquely towards the center of the air exhaust pipe 32 along the air exhaust direction.

In this embodiment, the reflecting cover 4 separates the cooking cavity 2 and the installation cavity 3, the cooking cavity 2 is used for placing food, hot air generated by the hot air component enters the cooking cavity 2 to heat the food, in order to enable the hot air in the cooking cavity 2 to be discharged quickly, one end of the exhaust pipe 32 is communicated with the ventilation through hole 41, the other end is communicated with the external space, the hot air in the cooking cavity 2 is discharged to the external space, the pressure in the cooking cavity 2 is prevented from being too high, and the diversion ribs 322 are designed to accelerate the hot air discharge. When the air fryer works, the pressure in the cooking cavity 2 rises, meanwhile, the density of hot air is smaller, the hot air can be promoted to flow to the external space through the exhaust channel, when the hot air flows upwards in the exhaust pipe 32, a negative pressure area is formed through the vent hole 321, the pressure difference formed at the negative pressure area can promote cold air in the mounting cavity 3 to flow into the exhaust pipe 32 from the vent hole 321, the cold air can be mixed with the hot air to reduce the temperature of the hot air, and therefore the risk of scalding a user is reduced; the flow guiding ribs 322 extend to the center of the exhaust pipe 32 along the exhaust direction in an inclined manner, and gradually reduce the cross-sectional area of the exhaust pipe 32 along with the flow of hot air, so that the effect of accelerating the hot air is achieved, the hot air is promoted to be exhausted more quickly, and the phenomenon that the temperature of the machine body 1 is too high due to the fact that the hot air stays in the exhaust pipe 32 for a long time is prevented.

The hot air assembly further comprises a heating tube 5, the heating tube 5 can be arranged at the periphery of the first fan 36, the first fan 36 which rotates can extract air in the cooking cavity 2 and form air flow flowing through the heating tube 5, the air flow absorbs heat and forms hot air flowing back to the cooking cavity 2 through the heating tube 5, and the hot air can be contacted with food materials after flowing into the cooking cavity 2 and realize heat transfer, so that the food materials are gradually cooked from outside to inside. The temperature of the hot air is reduced due to contact with the food materials and the hot air is diffused into the cooking cavity 2, so that an air source is provided for the hot air component to extract and heat again, and the air is circularly extracted and heated to improve the heat utilization efficiency.

In order to accelerate the hot air discharge, in one embodiment, a second fan 35 driven by the driving motor 31 is provided in the installation cavity 3, and at least part of the ventilation holes 321 face the second fan 35. The second fan 35 drives cold air to flow into the exhaust pipe more quickly, so that high-density cold air is promoted to be mixed with low-density hot air, the temperature of the hot air can be reduced better, the hot air discharging efficiency is improved, meanwhile, the second fan 35 rotates and introduces external space cold air to cool and dissipate heat of all parts in the installation cavity 3, and the use safety is ensured.

In order to allow more cool air to enter the exhaust duct rapidly, in one embodiment, the distribution density of the ventilation holes 321 on the side of the exhaust duct 32 facing the second fan 35 is higher than the distribution density on the side of the exhaust duct 32 facing away from the second fan 35; in another embodiment, the distribution density of the ventilation holes 321 on the exhaust duct 32 within the height range of the second fan 35 is higher than the distribution density on the exhaust duct 32 outside the height range of the second fan 35. The distribution density of the ventilation holes 321 on the exhaust pipe 32 facing the side of the second fan 35 is higher, and/or the distribution density of the ventilation holes 321 on the exhaust pipe 32 within the height range of the second fan 35 is higher, so that the air quantity of the cold air entering the exhaust pipe can be increased, the cold air is promoted to be mixed with the hot air more quickly, and the temperature of the hot air is reduced and the hot air is discharged more quickly.

As shown in fig. 3 to 4, in order to allow the hot air to be discharged more rapidly, in one embodiment, the guide ribs 322 are provided with multiple layers and are spaced apart in the exhaust direction, and adjacent two layers of guide ribs 322 are staggered from each other in the circumferential direction of the exhaust duct 32; in another embodiment, the projection of the deflector ribs 322 onto the inside wall of the exhaust duct 32 covers the vent 321. Adjacent two-layer water conservancy diversion protruding muscle 322 stagger each other in the circumference of exhaust pipe 32, can make cold wind flow into the blast pipe as far as possible evenly, with hot-blast intensive mixing, reduce hot-blast temperature better, can guide hot-blast along water conservancy diversion protruding muscle 322 to be spiral rotatory rising simultaneously for the flow rate of hot-blast, promote hot-blast quick discharge, can improve hot-blast discharge efficiency. The projection of the flow guiding convex ribs 322 on the inner side wall of the exhaust pipe 32 covers the vent holes 321, so that hot air cannot flow into the installation cavity 3.

In order to achieve a better cold air inflow effect, in one embodiment, the included angle α between the flow guiding convex rib 322 and the inner wall of the exhaust pipe 32 is 30 ° to 60 °, cold air can smoothly flow into the exhaust pipe along the upper inclined plane of the flow guiding convex rib 322, and hot air can also rapidly flow along the lower inclined plane of the flow guiding convex rib 322; if the included angle α between the flow guiding rib 322 and the inner wall of the exhaust duct 32 is smaller than 30 °, the flow guiding rib 322 will obstruct the inflow of cold air, resulting in reduced amount of cold air entering the exhaust duct 32 and affecting the cooling effect on hot air; if the included angle α between the flow guiding rib 322 and the inner wall of the exhaust duct 32 is greater than 60 °, hot air may flow into the installation cavity 3 from the vent 321, which is not beneficial to the discharge of hot air.

In order to facilitate the introduction of external cold air, in one embodiment, the body 1 is provided with an air inlet 11 that communicates the installation cavity 3 with the external space, and at least part of the ventilation holes 321 face the air inlet 11. The air inlet 11 is used for sucking cold air in the external space, so that the cold air can enter the exhaust pipe 32 more quickly after entering the installation cavity 3, and the effect of reducing the temperature of hot air is improved.

In order to prevent the temperature of the machine body 1 and the wall surface from being too high, in one embodiment, the top surface of the machine body 1 is provided with an air outlet 12 of an air exhaust channel, and the top end of the air exhaust pipe 32 is communicated with the air outlet 12. The top surface of organism 1 is equipped with air outlet 12, and hot-blast accessible exhaust duct 32 discharges from the top surface of organism 1, prevents that the temperature of organism 1 from being too high, can avoid directly blowing the wall again, avoids the wall too high temperature.

As shown in fig. 5 to 6, in another embodiment, an air outlet 12 of an air exhaust channel is provided on a side wall of the installation cavity 3, a top end of an air exhaust pipe 32 is communicated with the air outlet 12, an air outlet cover 33 is provided on the side wall of the installation cavity 3, the air outlet 12 is provided on the air outlet cover 33, the air outlet cover 33 is provided with a connecting portion 331 extending inwards, and the top end of the air exhaust pipe 32 is spliced with the connecting portion 331. By arranging the exhaust duct 32 to be inclined upward from the ventilation through hole 41 of the cooking cavity 2 toward the direction of the air outlet 12 of the side wall of the installation cavity 3, the finally discharged hot air is blown out obliquely upward, and is not blown directly against the wall surface, so that the wall surface temperature can be prevented from being too high. The air outlet cover 33 is provided with a plurality of air outlet holes which are arranged at intervals, hot air is divided into a plurality of strands, a large amount of hot air is prevented from being intensively discharged to scald users, the air outlet cover 33 can also prevent sundries from blocking the air outlet pipe 32, the top end of the air outlet pipe 32 is spliced with the connecting part 331, the air outlet pipe 32 is prevented from being separated from the air outlet cover 33, and the stability of the air outlet pipe 32 after being installed is ensured.

In one embodiment, the diameter of the top end of the exhaust pipe 32 is smaller than that of the bottom end, so that the cross-sectional area of the top end of the exhaust pipe 32 is smaller, the flow speed of hot air at the top end of the exhaust pipe 32 is faster, the hot air can be discharged quickly, and the backflow of the hot air can be avoided.

For installing and fixing the exhaust duct 32, in one embodiment, an installation bracket 34 for installing the driving motor 31 is arranged in the installation cavity 3, the installation bracket 34 is provided with an installation through hole 341 for the exhaust duct 32 to pass through, and the outer side surface of the exhaust duct 32 is provided with a positioning convex rib 323 positioned at the installation through hole 341. The mounting bracket 34 is used for fixedly supporting the driving motor 31, and guaranteeing the stable operation of the driving motor 31. The installation through hole 341 can be used for the exhaust pipe 32 to pass through, is convenient for install the exhaust pipe 32 to spacing preventing it rocks with the exhaust pipe 32, the location protruding muscle 323 can further improve the stability of exhaust pipe 32.

Wherein, the edge of the ventilation through hole 41 can be provided with a flange 411 protruding along the exhaust direction, the outer edge of the flange 411 is clamped with the inner wall of the exhaust pipe 32, and the stability of the exhaust pipe is enhanced. The outer side of the exhaust pipe 32 may also be provided with a buckle 324, and the buckle 324 is used for fixedly installing the exhaust pipe.

In addition to the preferred embodiments described above, other embodiments of the present utility model are also contemplated as falling within the scope of the claimed utility model, as well as all other embodiments that may be made by one of ordinary skill in the art without making any inventive effort based on the embodiments of the present utility model.

Claims (10)

1. The utility model provides an air fryer, includes the organism and locates the culinary art chamber of organism, installation cavity, bowl, hot-blast subassembly, and culinary art chamber, installation cavity separate through the bowl, and hot-blast subassembly is including being located the first fan of culinary art intracavity, and the installation cavity is equipped with the driving motor of drive first fan, and the bowl is equipped with ventilative through-hole, and the organism is equipped with the passageway of airing exhaust with the culinary art chamber and outside space intercommunication, and the passageway of airing exhaust is including locating the exhaust pipe in the installation cavity, exhaust pipe and ventilative through-hole intercommunication, its characterized in that, the pipe wall of exhaust pipe is equipped with the ventilation hole with installation cavity and passageway intercommunication of airing exhaust, and the inside wall of exhaust pipe is equipped with the protruding muscle of water conservancy diversion, and the bottom of the protruding muscle of water conservancy diversion is located the lower edge of ventilation hole, and the protruding muscle of water conservancy diversion extends to the central slope of exhaust pipe along the direction of airing exhaust.

2. The air fryer according to claim 1, wherein said mounting cavity has a second fan driven by a drive motor, at least a portion of the vent opening facing the second fan.

3. The air fryer according to claim 2, wherein said vent holes are distributed at a higher density on the side of the exhaust duct facing the second fan than on the side of the exhaust duct facing away from the second fan; and/or the distribution density of the ventilation holes on the exhaust pipe in the height range of the second fan is higher than the distribution density on the exhaust pipe outside the height range of the second fan.

4. The air fryer of claim 1, wherein said deflector ribs are provided in a plurality of layers and are spaced apart in the exhaust direction, adjacent deflector ribs of two layers being offset from each other in the circumferential direction of the exhaust duct; and/or the projection of the flow guide convex rib on the inner side wall of the exhaust pipe covers the vent hole.

5. The air fryer of claim 1, wherein said deflector ribs are at an angle of 30 ° to 60 ° to the inner wall of the exhaust duct.

6. The air fryer of claim 1, wherein said body is provided with an air inlet opening communicating said mounting cavity with an external space, at least a portion of said vent opening facing said air inlet opening.

7. The air fryer of claim 1, wherein said top surface of said body is provided with an air outlet of an air exhaust channel, and wherein the top end of the air exhaust tube is in communication with the air outlet.

8. The air fryer according to claim 7, wherein said exhaust duct top end has a smaller diameter than said bottom end; and/or a mounting bracket for mounting the driving motor is arranged in the mounting cavity, a mounting through hole for the exhaust pipe to pass through is formed in the mounting bracket, and a positioning convex rib positioned at the mounting through hole is arranged on the outer side surface of the exhaust pipe.

9. The air fryer of claim 1, wherein the side wall of said mounting cavity is provided with an air outlet of an air exhaust channel, and the top end of the air exhaust tube is communicated with the air outlet.

10. The air fryer of claim 9, wherein the side wall of said mounting cavity is provided with an air outlet cover, the air outlet is provided with an inwardly extending connecting portion, and the top end of the exhaust duct is inserted into the connecting portion.