CN217365483U

CN217365483U - Air frying pan

Info

Publication number: CN217365483U
Application number: CN202221015879.3U
Authority: CN
Inventors: 朱泽春; 刘孝碧; 林小财; 郭红伟
Original assignee: Joyoung Co Ltd
Current assignee: Joyoung Co Ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-09-06
Anticipated expiration: 2032-04-28

Abstract

The utility model relates to an air fryer, establish the base in the culinary art chamber and establish hot air channel's aircraft nose in including, be equipped with hot-blast subassembly in the hot air channel, hot-blast subassembly includes the fan and generates heat the piece, the culinary art intracavity is equipped with the pot body, and hot-blast input culinary art chamber that hot-blast subassembly produced is with the internal edible material of the pot of system cooked, a serial communication port, the aircraft nose can turn over through the hinge and install in the base top, hot air channel is T shape, generate heat the piece for cyclic annular and open-ended heating pipe has, the open end orientation of heating pipe the fan, the heating pipe surrounds and is equipped with the guide block in the region, the guide block is in separate out in the hot air channel and holds the cyclic annular airflow channel of heating pipe for the air current flows along heating pipe extending direction. The area that can effectual increase air current contact heating pipe reduces the area of the leeward side of heating pipe to promote heating efficiency.

Description

Air frying pan

Technical Field

The utility model relates to a food processing field, concretely relates to air is fried pot.

Background

The existing air fryer comprises a base, a machine head, a hot air channel and a hot air assembly, wherein the base is arranged in a cooking cavity, the machine head is arranged in the hot air channel, the hot air assembly comprises a fan and a heating piece, a pot body is arranged in the cooking cavity, and hot air generated by the hot air assembly is input into the cooking cavity to cook food materials in the pot body. In the specific implementation process, the fan makes the wind flow pass and generates heat a promotion wind flow temperature to reach the effect of hot-blast system cooked food material, but no matter which direction the fan orders about the wind flow, all can form windward side and leeward side on generating heat a piece, thereby the windward side must better contact the wind flow and heat the wind flow, but the leeward side can't better contact the wind flow, has reduced the heating efficiency of the piece that generates heat like this, the resource-wasting.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides an air fryer forms annular airflow channel through the guide block, and the heating pipe setting can effectively reduce the lee side area of heating pipe at airflow channel and opening orientation fan for the air current is better to be contacted with the heating pipe, thereby promotes heating efficiency.

The utility model discloses a following mode realizes: including establishing the base of culinary art chamber and establishing hot air channel's aircraft nose in and, be equipped with hot-blast subassembly in the hot air channel, hot-blast subassembly includes the fan and generates heat the piece, the culinary art intracavity is equipped with the pot body, and hot-blast input culinary art chamber that hot-blast subassembly produced is edible material in order to make the cooked pot, a serial communication port, the aircraft nose can turn over through the hinge and install in the base top, hot-blast channel is T shape, generate heat the piece for cyclic annular and open-ended heating pipe has, the open end orientation of heating pipe the fan, the heating pipe surrounds and is equipped with the guide block in the region, the guide block is in separate out in the hot-blast channel and holds the cyclic annular airflow channel of heating pipe for the distinguished and admirable flows along heating pipe extending direction.

Through the annular air flow channel of guide block formation, the heating pipe setting can effectual increase air current contact heating pipe's area in annular air flow channel, reduces the area of the leeward side of heating pipe to promote heating efficiency.

Preferably, at least two groups of guide blocks are arranged in the area surrounded by the heating pipe, a second airflow channel is formed between the guide blocks, the inlet of the second airflow channel faces the fan, and airflow flows to the middle part of the heating pipe through the second airflow channel.

Because the middle part temperature of heating pipe is higher, and the tip opening position of heating pipe is towards the fan, makes the heating pipe middle part position keep away from the fan so, and is forming second air current passageway through two sets of guide blocks for the air current that the fan came out directly stays to the middle part of heating pipe, thereby further promotes heating efficiency.

Preferably, the hot air channel comprises a horizontal part and a vertical part vertically arranged at the middle section of the horizontal part, the fan is arranged in the vertical part, and the heating pipe is arranged in the middle section of the horizontal part, so that air flow in the vertical part is uniformly distributed to the air outlets after flowing through the heating pipe.

The longitudinal part can effectively collect airflow in the cooking cavity and evenly distribute the airflow after the airflow passes through the heating part, so that the two sides of the pot body obtain equivalent hot air.

Preferably, the horizontal cross section of the middle section of the cross portion is circular, and the guide block is disposed at the middle section of the cross portion to form a second airflow channel and guide the airflow to flow through the heating pipe.

The guide block plays a role in guiding and shunting, and ensures that the airflow is uniformly shunted and is effectively heated after being fully contacted with the heating pipe.

Preferably, the front part of the machine head is provided with a visual window for observing the food materials at the front part of the pot body, the hot air channel comprises two air outlets which are respectively arranged at two sides of the cooking cavity, when the cooking machine is used, the food materials at the front part and the rear part of the pot body are synchronously heated and cooked, and the cooking state of the food materials at the rear part of the pot body is judged in advance by observing the food materials at the front part of the pot body.

The cooking state of the food material at the rear part of the pot body is pre-judged by observing the cooking state of the food material at the front part of the pot body through the visual window, so that the integral cooking condition of the food material in the pot body is known, and the use experience is improved.

Preferably, the air outlets are symmetrically arranged on two sides of the bottom surface of the machine head, and hot air in the hot air channel is uniformly distributed to two sides of the cooking cavity and is diffused, so that food materials positioned at the front part and the rear part of the pot body are cooked synchronously. The air outlets are symmetrically arranged on two sides of the pot body, so that hot wind energy flowing out of each air outlet is uniformly diffused to the front part and the rear part of the pot body, the food materials in the front part and the rear part of the pot body are guaranteed to be cooked synchronously, cooking states of the food materials in the front part and the rear part of the pot body can be referred for reference, and a user can conveniently judge the whole cooking condition of the food materials.

Preferably, the bottom wall of the pot body is provided with vent holes, and two sides of the cooking cavity are respectively provided with an air conveying channel which is bridged between the air outlet and the bottom wall of the pot body, so that hot air flows through the food materials in the pot body from bottom to top through the vent holes. The hot air is conveyed to the lower part of the pot body through the air conveying channel, so that the hot air can flow into the pot body from bottom to top after passing through the vent hole, and the bottom of the food material can be effectively heated and cooked.

Preferably, the gas transmission channel comprises a side part and a bottom part, the side part is formed by enclosing the side wall of the pot body and the side wall of the cooking cavity, and the bottom part is formed by enclosing the bottom wall of the pot body and the bottom wall of the cooking cavity. The side part is used for vertically conveying hot air to the bottom part between the bottom wall of the pot body and the bottom wall of the cooking cavity, and the periphery of the bottom part receives the hot air and uniformly diffuses forwards and backwards, so that the food materials at the front part and the rear part of the pot body are uniformly cooked.

Preferably, the center of the bottom surface of the bottom part is provided with a guide rib which is upwards raised and arranged along the front-back direction, the periphery of the bottom surface of the bottom part is positioned on the sections at two sides of the guide rib and is respectively provided with an upwards raised circular rib, and hot air flows inwards along the radial direction of the bottom part and turns into flowing towards the pot body after sequentially contacting and diffusing with the circular ribs and the guide rib. The guide rib can turn into the vertical flow of putting with the hot-blast transformation of horizontal flow for hot-blast can flow into the pot body through the air vent, promotes heat transfer efficiency. The arc muscle can carry out the front and back to the reposition of redundant personnel to hot-blast, can also play the effect of turning to partial hot-blast for pot body diapire periphery and middle part homoenergetic obtain hot-blastly, ensure to eat material bottom by even system ripe.

Preferably, the bottom surface of the machine head is provided with protective glass, the front part of the protective glass forms the visible window, the rear part of the protective glass forms the bottom wall of the hot air channel, and the heat radiation generated by the heating piece penetrates through the protective glass from top to bottom and irradiates on the top of the food material. The protective glass covers the bottom surface of the machine head, so that the protective glass plays a role in guiding hot air to flow and also plays a role in transferring heat radiation, the top of the food material is ensured to be uniformly cooked, a transparent visual window can be formed, and a user can conveniently observe the cooking state of the food material at the front part of the pot body. Vertical projection of hot air channel and visual window is dislocation set each other, prevents both mutual interference, has both ensured that visual window looks at the field clearly, and the size of increase hot air channel still effectively promotes hot-blast amount of wind, promotes to use and experiences.

The utility model has the advantages that: through the annular airflow channel of guide block formation, the heating pipe setting is in annular airflow channel, and area that can effectual increase air current contact heating pipe reduces the area of the leeward side of heating pipe to promote heating efficiency.

Drawings

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

FIG. 2 is a schematic cross-sectional view of an air fryer according to an embodiment;

FIG. 3 is a schematic bottom view of the handpiece of the embodiment;

FIG. 4 is a schematic structural diagram of the base according to the embodiment;

FIG. 5 is a schematic view of an assembly structure of the base and the pan body according to the embodiment;

in the figure: 1. base, 11, side portion, 12, bottom portion, 121, guide muscle, 122, circular arc muscle, 13, linking chamber, 2, aircraft nose, 21, fan, 22, generate heat piece, 23, visual window, 24, hot-blast passageway, 241, air outlet, 242, horizontal portion, 243, indulge the portion of putting, 244, guide piece, 25, cover glass, 3, the pot body, 31, the air vent.

Detailed Description

The essential features of the invention will be further explained below with reference to the drawings and the detailed description of the invention.

Example (b):

the present embodiments provide an air fryer. Including establishing the base of culinary art chamber and establishing hot air channel's aircraft nose in and, be equipped with hot-blast subassembly in the hot air channel, hot-blast subassembly includes the fan and generates heat the piece, the culinary art intracavity is equipped with the pot body, and hot-blast input culinary art chamber that hot-blast subassembly produced is edible material in order to make the cooked pot, its characterized in that, generate heat the piece for cyclic annular and have open-ended heating pipe, the open end orientation of heating pipe the fan, the heating pipe surrounds the regional guide piece that is equipped with in the region, the guide piece is in separate out in the hot air channel and hold the cyclic annular airflow channel of heating pipe for the air current flows along heating pipe extending direction.

An air fryer as shown in figure 1, by establishing the base 1 of culinary art chamber and establishing hot air channel 24's aircraft nose 2 in and constitute, be equipped with hot-blast subassembly in the hot air channel 24, hot-blast subassembly includes fan 21 and the piece 22 that generates heat, the culinary art intracavity is equipped with pot body 3, and hot-blast input that hot-blast subassembly produced cooks the chamber and eats material in order to cook pot body 3, and aircraft nose 2 front portion is equipped with the visual window 23 of observing the anterior edible material of pot body 3, hot air channel 24 includes two air outlets 241 of putting in culinary art chamber both sides separately, and during the use, the edible material that lies in the anterior and rear portion of pot body 3 is cooked by synchronous heating, foresees the cooked state of edible material at the rear portion of pot body 3 through observing the anterior edible material of pot body 3. Certainly, in this embodiment, the visible window may not be provided, and the positions and the number of the air outlets are also selectable.

In this embodiment, the machine head 2 is installed above the base 1 in a turnable manner through a hinge, the bottom surface of the machine head 2 is provided with a hot air channel 24, the middle part of the top surface of the base 1 is provided with a cooking cavity, when the machine head 2 covers the base 1, the hot air channel 24 is communicated with the cooking cavity and isolated from the external space, and the heat generated by the hot air component can flow circularly between the cooking cavity and the hot air channel 24.

In this embodiment, the hot air assembly includes a fan 21 and a heating member 22, the fan 21 extracts air in the cooking cavity and forms an air flow flowing through the heating member 22, the air flow flows through the heating member 22 to absorb heat and form hot air flowing back to the cooking cavity, and the hot air contacts with the food material after flowing into the cooking cavity and realizes heat transfer, so that the food material is cooked uniformly. The hot-blast temperature that can be because of with eating the material contact reduces and spread to the culinary art chamber in, provides the air supply for being extracted the heating once more by hot-blast subassembly to this carries out circulation extraction heating to the air and promotes heat utilization efficiency.

In this embodiment, the base 1 is provided with the cooking cavity, the cooking cavity is provided with the pot body 3, and the cooking cavity receives hot air from the hot air assembly and cooks food materials in the pot body 3. When the cooking pot is used, firstly, food materials are placed in the pot body 3, the pot body 3 is placed in the cooking cavity, then the machine head 2 is covered on the base 1, so that the cooking cavity is communicated with the hot air channel 24 in a sealing mode and is isolated from the external space, finally, hot air is generated through the hot air assembly, and the hot air is input into the cooking cavity so that the food materials are heated and cooked.

In this embodiment, be equipped with visual window 23 that can look at the edible material directly on aircraft nose 2, because visual window 23 sets up on the front portion of aircraft nose 2 for the visual region that visual window 23 formed can only cover the anterior edible material of pot body 3, because the condition that the degree of cooking exists in each regional edible material in the pot body 3, lead to the user can't judge the degree of cooking of the edible material of other positions except that pot body 3 front portion through visual window 23, influence the use experience. Therefore, the hot air channel 24 comprises two air outlets 241 respectively arranged at two sides of the cooking cavity, the cooking efficiency of food materials in each area in the pot body 3 is ensured to be controllable by symmetrically arranging the air outlets 241 at two sides of the cooking cavity, and a user can observe the front part of the pot body 3 through the visual window 23 to prejudge the whole cooking state of the food materials, so that the cooking experience is effectively improved.

In this embodiment, the air outlets 241 are symmetrically disposed at two sides of the cooking cavity, hot air is respectively conveyed forwards and backwards from the sides of the cooking cavity, food materials at the sides of the pot body 3 can be cooked before the front portion of the pot body 3, food materials at the rear portion of the pot body 3 can be cooked synchronously with food materials at the front portion of the pot body 3, so that food materials at the sides of the pot body 3 can be cooked before the front portion and the rear portion of the pot body 3, a user can pre-judge cooking states of the food materials at the rear portion and the side portions of the pot body 3 by observing the food materials at the front portion of the pot body 3, and the user can conveniently know the overall cooking state of the food materials.

In this embodiment, the hot air channel 24 is T-shaped, and includes a horizontal portion 242 and a vertical portion 243 (as shown in fig. 3) vertically disposed at the middle of the horizontal portion 242, the fan 21 is disposed in the vertical portion 243, and the heat generating member 22 is disposed at the middle of the horizontal portion 242, so that the air flow in the vertical portion 243 is uniformly divided into the air outlets 241 after flowing through the heat generating member 22. The middle section of horizontal portion 242 extends backward and forms vertical portion 243, the top surface rear portion of base 1 is equipped with linking chamber 13, cook the headspace in chamber and indulge and put portion 243 rear end and lead to through linking chamber 13 between to make hot-blast back to hot-blast passageway 24 through linking chamber 13 after even diffusion in the culinary art chamber bottom. The top of the connecting cavity is open and can be communicated with the air inlet of the hot air channel in a sealing way when the machine head is closed in place. When the cooking pot is used, hot air in the air delivery channel passes through the vent holes 31 from bottom to top and contacts with food materials, so that the hot air vertically flows at the bottom of the pot body 3, all areas at the bottom of the food materials are ensured to be synchronously heated and cooked, and when the hot air is separated from the food materials and flows to the top of the pot body 3, the hot air is extracted by the connecting cavity 13, so that a circulating flow path is formed among the connecting cavity 13, the hot air channel 24, the air delivery channel and the inner cavity of the pot body 3. The ratio of the height of the connecting cavity 13 to the height of the cooking cavity is A, wherein A is 0.3, so that the air flow is ensured to meet the heating requirement, and the hot air is effectively ensured to vertically flow at the bottom of the pot body 3.

Specifically, in this embodiment, the horizontal cross section of the middle section of the transverse portion 242 is circular, the heating element 22 is a C-shaped heating tube, the middle section of the transverse portion 242 is provided with a guiding block 244, and the guiding block 244 forms an annular airflow channel in the region where the heating tube is located, so that airflow enters the airflow channel and then is guided to flow through the heating element 22 along the direction of the heating tube, thereby reducing the leeward surface area of the heating tube and improving the heating efficiency. In addition, the annular airflow channel also enables airflow entering the heating pipe area to be divided into split flows to enter, and the heating efficiency is further improved.

The guide blocks 244 are arranged in the area formed by enclosing the heating element 22 in a deformable manner, a plurality of guide blocks form a second airflow channel, and guide and divide the airflow from the longitudinal portion 243, so that the airflow can flow along the axis of the heating element 22, the temperature of hot air is increased by increasing the contact time of the airflow and the heating element 22, and the heat transfer efficiency is further improved.

In this embodiment, the bottom of the machine head 2 is provided with a protective glass 25, the front part of the protective glass 25 forms the visible window 23, the rear part forms the bottom wall of the hot air channel 24, and the heat radiation generated by the heating element 22 passes through the protective glass 25 from top to bottom and irradiates on the top of the food material. The transverse part 242 is arranged in the middle of the machine head 2 and is arranged in a vertically projecting and staggered mode with the visual window 23. The vertical projection profile of the protective glass 25 is matched with the vertical projection profile of the cooking cavity, so that the rear part of the protective glass 25 can play a role in guiding hot air to flow and transmitting heat radiation, the front part of the protective glass 25 can form a visible opening, and a user can conveniently observe the front food materials of the pot body 3 in real time.

It is understood that the parameter A can also be 0.25, 0.28, 0.33, etc., as long as the requirement of 1/24 ≦ A ≦ 1/3 is met.

Of course, it can be understood that, as shown in fig. 2, the air outlets 241 are symmetrically disposed on both sides of the bottom surface of the head 2, and the hot air in the hot air channel 24 is uniformly distributed to both sides of the cooking cavity and diffused, so that the food materials at the front and rear parts of the pot body 3 are cooked simultaneously. Hot-blast meeting that forms in hot air duct 24 can be evenly shunted to two air outlet 241 departments, carry to the 3 both sides of pot body through air outlet 241, both ensure that 3 both sides of pot body eat the material earlier than the anterior edible material of pot body 3 and evenly cook, still ensure that the anterior edible material of pot body 3 and rear portion eat the material and evenly cook in step, so that through observing the anterior edible material of pot body 3 come the cooked state of prejudgement pot body 3 rear portion edible material, eliminate visual window 23 less and the visual angle limitation problem that brings, effectively promote and use experience.

In this embodiment, the bottom wall of the pot body 3 is provided with a vent hole 31, and both sides of the cooking cavity are provided with gas transmission channels bridged between the air outlet 241 and the bottom wall of the pot body 3, so that hot air flows through the food material in the pot body 3 from bottom to top through the vent hole 31.

When the cooking device is used, hot air generated in the hot air channel 24 is uniformly distributed and flows into the corresponding air delivery channel through the air outlets 241 on the two sides, and the air delivery channel can deliver the hot air to the bottom of the cooking cavity and upwards penetrate through the vent holes 31 after being dispersed, so that the bottom of the food material is uniformly cooked.

In this embodiment, the gas transmission channel plays the effect of carrying hot-blast and diffusion hot-blast, ensures that the edible material bottom can be cooked by even, in addition, the piece that generates heat 22 still can produce the heat radiation except that the production is driven by the air current, and the heat radiation passes through cover glass 25 and shines the heating to the edible material top to the messenger eats the material top and is cooked by even heating. Each district is heated by synchronous heating system to make food material top and bottom ripe through hot-blast and thermal radiation's cooperation heating, promotes the culinary art and experiences.

In this embodiment, the air duct comprises a side portion 11 and a bottom portion 12 (as shown in fig. 5), the side portion 11 is defined by the side wall of the pot body 3 and the side wall of the cooking cavity, and the bottom portion 12 is defined by the bottom wall of the pot body 3 and the bottom wall of the cooking cavity. The side part 11 is used for guiding hot air to flow downwards, so that the hot air can be conveyed into the bottom part 12 below the pot body 3, the bottom part 12 is used for receiving the hot air from the side part 11 and playing a role in diffusing the hot air and guiding the hot air to turn upwards, and all areas at the bottom of the food material can be ensured to effectively receive the hot air. The corresponding region of both sides portion of the lateral wall of the pot body 3 forms the leveling region of the vertical through-going pot body 3 through inwards sinking, when the pot body 3 is inserted into the cooking cavity, the lateral wall of the pot body 3 is matched and attached with the lateral wall of the cooking cavity, so that a side-placing portion 11 which is vertically through-going is formed between the leveling region and the corresponding region of the lateral wall of the cooking cavity, and the side-placing portion 11 is used for being connected with the air outlet 241 and the bottom-placing portion 12. The profile of the air outlet 241 is matched with the profile of the upper port of the side part 11, and is matched, sealed and communicated when the handpiece 2 is covered in place, so that the hot air is effectively prevented from leaking.

In this embodiment, the bottom of the bottom portion 12 is provided with a guiding rib 12 (as shown in fig. 4) protruding upward and arranged in the front-back direction at the center of the bottom, the bottom periphery of the bottom portion 12 is provided with an arc rib 122 protruding upward at each of the two side sections of the guiding rib 121, and the hot air flows radially inward along the bottom portion 12 and turns to flow toward the pot 3 after sequentially contacting and spreading with the arc rib 122 and the guiding rib 121. The horizontal section of the bottom part 12 is circular and is formed by the bottom wall of the cooking cavity and the bottom wall of the pot body 3 in an enclosing way. When the hot air circulation type pot is used, the hot air in the side portion 11 flows downwards and turns to flow horizontally and inwards at the periphery of the bottom portion 12, firstly, the hot air flowing radially from outside to inside along the bottom portion 12 can be firstly contacted with the arc rib 122, part of the hot air crosses over the arc rib 122 and flows towards the center of the bottom portion 12, the rest of the hot air can be contacted with the arc rib 122 and then flows along the periphery of the bottom portion 12, so that the bottom of the periphery of the pot body 3 obtains uniform hot air, and then, the hot air crossing over the arc rib 122 in the radial direction is abutted against the guide rib 121 and turns to flow upwards, so that the middle of the pot body 3 obtains uniform hot air. The guiding ribs 121 and the arc ribs 122 are matched to uniformly diffuse and turn upwards the hot air.

In this embodiment, the arc ribs 122 are symmetrically disposed around the axis of the guiding rib 121, and the middle section of the arc rib 122 is disposed toward the lower port of the side portion 11, so that the hot wind energy is uniformly distributed forward and backward by the arc ribs 122. The guide ribs 121 are linear, so that the guide ribs 121 are arranged in a front-back direction, hot air from two sides can be turned, and the function of distributing the hot air in the front-back direction can be achieved.

Claims

1. The utility model provides an air fryer, establishes the base of culinary art chamber and establishes hot air channel's aircraft nose in including establishing, be equipped with hot-blast subassembly in the hot air channel, hot-blast subassembly includes the fan and generates heat the piece, the culinary art intracavity is equipped with the pot body, and hot-blast input culinary art chamber that hot-blast subassembly produced is eaten the material with the system cooked pot internal, a serial communication port, the aircraft nose can turn over through the hinge and close and install in the base top, hot air channel is T shape, generate heat the piece for cyclic annular and open-ended heating pipe has, the open end orientation of heating pipe the fan, the heating pipe encloses the regional guide block that is equipped with, the guide block is in separate out in the hot air channel and holds the cyclic annular airflow channel of heating pipe for the air current flows along heating pipe extending direction.

2. The air fryer according to claim 1, wherein at least two sets of guide blocks are provided in the area surrounded by the heating tube, a second air flow passage is formed between the guide blocks, an inlet of the second air flow passage faces the fan, and air flows to a middle portion of the heating tube through the second air flow passage.

3. The air fryer according to claim 2, wherein said hot air passageway comprises a transverse portion and a longitudinal portion disposed vertically in an intermediate section of the transverse portion, said fan being disposed in said longitudinal portion and said heating tube being disposed in the intermediate section of the transverse portion such that air flowing in the longitudinal portion is evenly divided toward each of said outlets after passing through the heating tube.

4. An air fryer according to claim 3, wherein said cross section of said mid-section of said cross section is circular, and said guide block is disposed at a mid-section location of said cross section.

5. An air fryer according to claim 1, wherein the head front portion is provided with a viewing window for viewing the material in the front of the fryer body, and the hot air passage comprises two air outlets spaced on opposite sides of the cooking chamber, such that, in use, material located in the front and rear of the fryer body is heated and cooked simultaneously, and the cooking status of the material in the rear of the fryer body is predicted by viewing the material in the front of the fryer body.

6. An air fryer according to claim 5, wherein the air outlets are symmetrically arranged on both sides of the bottom surface of the head, and the hot air in the hot air channel is uniformly distributed to both sides of the cooking cavity and is diffused, so that the food materials at the front and rear parts of the body are cooked synchronously.

7. An air fryer according to claim 6, wherein the bottom wall of the fryer body is provided with vent holes, and the cooking cavity is provided at both sides thereof with air transmission passages bridging the air outlet and the bottom wall of the fryer body, so that hot air flows through the food material in the fryer body from bottom to top through the vent holes.

8. An air fryer according to claim 7, wherein said air delivery passage includes a side portion and a bottom portion, said side portion being defined by the enclosure between said side wall of said pot and the side wall of said cooking chamber, said bottom portion being defined by the enclosure between said bottom wall of said pot and the bottom wall of said cooking chamber.

9. An air fryer according to claim 8, wherein the bottom of the bottom part is provided with a guide rib which is upwardly protruded and arranged in a front-rear direction at the center of the bottom, the bottom of the bottom part is provided with a circular rib which is upwardly protruded at the peripheral edge thereof at both side sections of the guide rib, and the hot air flows radially inwardly along the bottom and turns to flow toward the pot body after sequentially contacting and diffusing with the circular rib and the guide rib.

10. An air fryer according to claim 5, wherein the bottom surface of said head is provided with a protective glass, the front part of said protective glass forms said viewing window, the rear part forms the bottom wall of the hot air passage, and the heat radiation generated by the heat generating member passes through the protective glass from top to bottom and irradiates on the top of the food material.