Air fryer

Abstract

The invention relates to the technical field of household appliances, and discloses an air fryer, comprising: a housing, one side of the bottom of which is provided with a hole; the ventilation assembly is located at the top in the shell, and an air inlet end and an air outlet end are arranged on the bottom side of the ventilation assembly; the top end of the wind scooper is connected to the bottom side of the ventilation assembly, an air inlet is formed in the position, directly facing the air inlet end, of the top end of the wind scooper in a surrounding mode, an inner baffle ring obliquely extending towards the center of the wind scooper is arranged at the bottom end of the wind scooper, and an airflow gap is formed between the wind scooper and the inner wall of the shell; the heating assembly comprises a heating source and a heat reflecting plate, and the heating source is arranged in the wind scooper and located above the inner baffle ring; the frying basket goes in and out of the shell from the hole, and the side wall and the bottom wall of the frying basket are each provided with a plurality of vent holes, the food heating efficiency is improved, the phenomenon that silicone oil paper is upwards attached to a heating source to be ignited when being blown up is prevented, and the overall use safety is effectively improved.

Description

Technical Field

[0001] The present invention relates to a household appliance, and more particularly to an air fryer. Background Art

[0002] The air fryer generates high temperature through the top heating tube and realizes hot air circulation heating by using high-speed circulating hot air. During the circulation of hot air in a closed space, it will take away the moisture on the surface of the food and achieve a frying-like effect by using the natural fat of the food ingredients. When in use, in order to facilitate the cleaning of the frying basket, people first place a silicone paper in the frying basket before putting the food, and then spread the food on the silicone paper. When the air fryer works, since the silicone paper is not pressed tightly by the food, the silicone paper is blown up by the rising air flow in the frying basket and there is a risk of being sucked onto the surface of the heater and being ignited. Therefore, there is an urgent need for an air fryer with higher safety in use. Summary of the Invention

[0003] The object of the present invention is to provide an air fryer to solve one or more technical problems existing in the prior art, and at least provide a beneficial choice or create conditions.

[0004] The solution of the present invention to solve its technical problems is as follows:

[0005] An air fryer includes: a housing with an opening provided on one side of its bottom; a ventilation assembly located at the top inside the housing, and an air inlet end and an air outlet end are provided on the bottom side of the ventilation assembly; a wind guiding cover, the top end of which is connected to the bottom side of the ventilation assembly, and an air inlet is formed by surrounding at a position of the top end of the wind guiding cover facing the air inlet end, and an inner retaining ring that extends obliquely towards the center of the wind guiding cover is provided at the bottom end of the wind guiding cover, and an air flow gap is formed between the wind guiding cover and the inner wall of the housing; a heating assembly including a heat source and a heat reflector, the heat source is arranged inside the wind guiding cover and above the inner retaining ring, the heat reflector is arranged inside the wind guiding cover and above the heat source, and a ventilation gap is provided between the outer side of the heat reflector and the inner side of the wind guiding cover; a frying basket that enters and exits the inside of the housing through the opening, and a plurality of ventilation holes are respectively provided on the side wall and the bottom wall of the frying basket.

[0006] The technical solution has at least the following beneficial effects: When in use, the frying basket can be moved out of the hole to place and take food, and then the frying basket is moved back into the housing from the hole. The heating source works and dissipates heat around. When part of the heat generated by the heating source is emitted upward to the heat reflecting plate, it is reflected downward by the heat reflecting plate into the frying basket to radiatively heat the food in the frying basket. At the same time, the hot air assembly works, and air flow is blown downward from the air outlet end into the air guide cover, reaches the top surface of the heat reflecting plate, diverges around, enters the ventilation gap between the heat reflecting plate and the inner side of the air guide cover, passes through the heating source, takes away the heat generated by the heating source, bypasses the inner retaining ring and enters the frying basket to heat the food in the frying basket. The air flow entering the frying basket diverges around, part of the air flow is discharged out of the frying basket through multiple ventilation holes on the side wall of the frying basket, and part of the air flow is discharged out of the frying basket through multiple through holes on the bottom side of the frying basket. The air flow discharged out of the frying basket enters the air flow gap upward under the negative pressure suction of the air inlet end of the ventilation assembly and is discharged from the air outlet end of the ventilation assembly again. During this process, the food in the frying basket is heated by the heat reflection of the heat reflecting plate on the heating source and is also heated by the hot air flow, improving the heating efficiency of the food. When silicon oil paper is placed in the frying basket, since the silicon oil paper is affected by the air flow from top to bottom, it is not easily blown up itself, and the inner retaining ring can block the heating source, which is beneficial to preventing the silicon oil paper from sticking upward to the heating source and catching fire when blown up, effectively improving the overall safety in use.

[0007] As a further improvement of the above technical solution, the outer diameter of the air guide cover gradually increases from top to bottom, and a gradually increasing air guide space is formed inside the air guide cover from top to bottom. The heating source is located at the bottom of the air guide cover. The air flow blown out from the air outlet end of the air outlet assembly enters the air guide cover. Since the air guide space inside the air guide cover gradually increases from top to bottom, it is beneficial for the air flow to diffuse around in the air guide cover, so that the air flow evenly passes through the ventilation gap formed between the heat reflecting plate and the air guide cover and enters the frying basket.

[0008] As a further improvement of the above technical solution, the heat reflecting plate arches upward from the periphery to the middle, and the distance between the top surface of the heat reflecting plate and the bottom surface of the air guide cover gradually decreases from top to bottom. The upward arching in the middle of the heat reflecting plate is beneficial for diverting the air flow blowing towards the heat reflecting plate around, reducing the wind pressure received by the heat reflecting plate and improving the overall structural stability. Since the distance between the top surface of the heat reflecting plate and the bottom surface of the air guide cover gradually decreases from top to bottom, that is, the space between the heat reflecting plate and the air guide cover gradually narrows. At this time, the air flow will be compressed when passing through the narrowing space, thereby accelerating the speed and depth of the air flow output into the frying basket and further improving the heating effect of the hot air flow on the food.

[0009] As a further improvement of the above technical solution, the inner diameter of the inner retaining ring gradually decreases from top to bottom. The inner retaining ring is inclined, which is beneficial to guiding the air flow passing through the inner retaining ring, so that the air flow is conducted obliquely into the frying basket, and is also beneficial to the direct heat radiation of the heat from the heat source into the frying basket during the operation of the heat source, improving the heating effect on the food.

[0010] As a further improvement of the above technical solution, a flow guiding rib is provided on the top side of the inner retaining ring. The flow guiding rib extends downward in an arc shape. A plurality of the flow guiding ribs are arranged at intervals around the inner retaining ring, and a flow guiding gap is formed between two adjacent flow guiding ribs. A plurality of the heat sources are respectively arranged in a plurality of the flow guiding gaps. The flow guiding ribs are arranged in an arc shape on the inner retaining ring, so that an arc-shaped flow guiding gap is formed between two flow guiding ribs. When the air flow enters the arc-shaped flow guiding gap, it takes away the heat generated by the heat source and enters the frying basket. At this time, the air flow rotates and flows in the frying basket, which can increase the travel of the flow coverage in the frying basket, making the hot air flow heat the outer surface of the food more fully, thereby improving the heating effect on the food.

[0011] As a further improvement of the above technical solution, the ventilation assembly includes a confluence box and a fan. An air outlet is provided on the bottom side of the confluence box, and the air outlet forms the air outlet end. The fan is connected to the outside of the confluence box, and the bottom side of the fan forms the air inlet end. The fan sucks air from the bottom side and transports it into the confluence box, and then outputs it from the air outlet on the bottom side of the confluence box into the air guiding cover, forming an air flow cycle.

[0012] As a further improvement of the above technical solution, there are a plurality of the fans. A duct is provided between the plurality of fans and the confluence box. The shapes of the plurality of ducts are respectively arc-shaped, and the plurality of ducts are respectively tangentially connected to the outside of the confluence box. The plurality of fans work simultaneously, sucking gas from the inside of the housing and transporting it into the confluence box. At this time, multiple air flows are input into the confluence box through the ducts. Since the ducts are arranged in an arc shape and are tangentially connected to the outside of the confluence box, the multiple air flows entering the confluence box rotate and mix in the confluence box, and form a rotating output air flow when discharging from the air outlet of the confluence box. In this way, the air flow rotation effect when the air flow enters the frying basket can be further improved.

[0013] As a further improvement of the above technical solution, a sealing gasket is connected to the position of the air outlet on the bottom side of the confluence box. An annular step is provided on the bottom side of the sealing gasket. The top end of the air guiding cover abuts against the inside of the annular step. When the air guiding cover is docked to the confluence box, its top end abuts against the inside of the annular step, which can realize the quick connection and alignment with the confluence box, improve the connection sealing performance between the air guiding cover and the confluence box, and reduce the vibration transmitted from the fan during operation to the air guiding cover.

[0014] As a further improvement of the above technical solution, a connecting frame is connected to the inner side of the top of the air guide cover, and a positioning post is connected to the inner side of the bottom of the air guide cover. A plurality of the positioning posts are arranged around the axis of the air guide cover. The top side of the heat reflection plate is clamped to the bottom side of the connecting frame, the bottom of the heat reflection plate abuts against the bottom ends of the plurality of positioning posts, and a plurality of connecting pieces are arranged through the bottom side of the heat reflection plate. The plurality of connecting pieces are respectively connected to the plurality of positioning posts. When the heat reflection plate is loaded into the air guide cover, the top side of the heat reflection plate is clamped to the bottom side of the connecting frame to realize the quick connection between the heat reflection plate and the air guide cover. At this time, the bottom of the heat reflection plate abuts against the bottom ends of the plurality of positioning posts. The plurality of positioning posts can be used to stabilize the bottom position of the heat reflection plate. Finally, the plurality of connecting pieces are passed through the heat reflection plate and connected to the positioning posts to stabilize the bottom position of the heat reflection plate, thereby improving the structural stability of the heat reflection plate.

[0015] As a further improvement of the above technical solution, the inner retaining ring and the air guide cover are detachably connected. The inner retaining ring can be disassembled and assembled from the bottom side of the air guide cover, so as to facilitate the cleaning and maintenance of structures such as the air guide cover, the inner retaining ring and the heating source. Description of the Drawings

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly describe the drawings required for the description of the embodiments. Obviously, the described drawings are only a part of the embodiments of the present invention, rather than all the embodiments. Without creative efforts, those skilled in the art can also obtain other design solutions and drawings based on these drawings.

[0017] Figure 1 is the overall front view of the present invention.

[0018] Figure 2 is Figure 1 the schematic structural diagram of the A-A cross section of

[0019] Figure 3 is the schematic top view structure of the ventilation component of the present invention.

[0020] In the drawings: 1 - housing, 2 - air guide cover, 3 - inner retaining ring, 31 - guide rib, 32 - connecting frame, 33 - positioning post, 41 - heating source, 42 - heat reflection plate, 5 - frying basket, 51 - ventilation hole, 61 - confluence box, 62 - fan, 63 - air duct, 64 - sealing ring. Detailed Embodiments

[0021] The concept, specific structure and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments and the drawings, so as to fully understand the purpose, features and effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative efforts shall fall within the scope of protection of the present invention. In addition, all the connection relationships mentioned in the text do not refer only to the direct connection of components, but refer to the formation of a more optimal connection structure by adding or reducing connection accessories according to the specific implementation situation. The various technical features in the present invention can be combined interactively on the premise of not conflicting with each other.

[0022] Referring to Figure 1 With Figure 2 , an air fryer includes: a housing 1 having an opening provided at one side of its bottom; a ventilation assembly located at the top inside the housing 1, the bottom side of the ventilation assembly being provided with an air inlet end and an air outlet end; a wind guide cover 2, the top end of which is connected to the bottom side of the ventilation assembly, an air inlet being formed by surrounding at a position where the top end of the wind guide cover 2 faces the air inlet end, an inner retaining ring 3 being provided at the bottom end of the wind guide cover 2 and extending obliquely towards the center of the wind guide cover 2, an air flow gap being formed between the wind guide cover 2 and the inner wall of the housing 1; a heating assembly including a heat source 41 and a heat reflector 42, the heat source 41 being provided inside the wind guide cover 2 and above the inner retaining ring 3, the heat reflector 42 being provided inside the wind guide cover 2 and above the heat source 41, a ventilation gap being provided between the outer side of the heat reflector 42 and the inner side of the wind guide cover 2; a frying basket 5 entering and exiting the inside of the housing 1 from the opening, and a plurality of ventilation holes 51 being provided on the side wall and the bottom wall of the frying basket 5.

[0023] In this air fryer, when in use, the frying basket 5 can be removed from the hole to place and take out food, and then the frying basket 5 is moved back into the housing 1 from the hole. The heating source 41 works and dissipates heat to the surroundings. When part of the heat generated by the heating source 41 is emitted upward to the heat reflector 42, it is reflected downward by the heat reflector 42 into the frying basket 5 to radiantly heat the food in the frying basket 5. At the same time, the hot air assembly works, and airflows downward from the air outlet end into the air guide cover 2, reaches the top surface of the heat reflector 42, diverges to the surroundings and enters the ventilation gap between the heat reflector 42 and the inner side of the air guide cover 2, passes through the heating source 41, takes away the heat generated by the heating source 41, bypasses the inner retaining ring 3 and enters the frying basket 5 to heat the food in the frying basket 5. The airflows entering the frying basket 5 disperse to the surroundings, and part of the airflows are discharged out of the frying basket 5 through the multiple ventilation holes 51 on the side wall of the frying basket 5, and part of the airflows are discharged out of the frying basket 5 through the multiple through holes on the bottom side of the frying basket 5. The airflows discharged out of the frying basket 5 enter the air gap upward under the negative pressure suction of the air inlet end of the ventilation assembly, and are then discharged from the air outlet end of the ventilation assembly again. During this process, the food in the frying basket 5 is heated by the heat reflection of the heat reflector 42 on the heating source 41 and is also heated by the hot airflows, improving the heating efficiency of the food. When silicon oil paper is placed in the frying basket 5, since the silicon oil paper is affected by the airflows from top to bottom, it is not easily blown up itself, and the inner retaining ring 3 can shield the heating source 41, which is beneficial to preventing the phenomenon that the silicon oil paper adheres upward to the heating source 41 and catches fire when blown up, effectively improving the overall safety in use.

[0024] In order to better diffuse the air outlet to the surroundings, in this embodiment, the outer diameter of the air guide cover 2 gradually increases from top to bottom, and a gradually increasing air guide space is formed inside the air guide cover 2 from top to bottom, and the heating source 41 is located at the bottom of the air guide cover 2. The airflows blown out from the air outlet end of the air outlet assembly enter the air guide cover 2. Since the air guide space inside the air guide cover 2 gradually increases from top to bottom, it is beneficial for the airflows to diffuse to the surroundings inside the air guide cover 2, enabling the airflows to evenly pass through the ventilation gap formed between the heat reflector 42 and the air guide cover 2 and enter the frying basket 5.

[0025] The heat reflection plate 42 can be a flat plate. When air is blown onto the heat reflection plate 42, a relatively large pressure will be generated on the heat reflection plate 42. Therefore, in this embodiment, the heat reflection plate 42 arches upward from the periphery to the middle. The distance between the top surface of the heat reflection plate 42 and the bottom surface of the air guide cover 2 gradually decreases from top to bottom. The upward arching in the middle of the heat reflection plate 42 is conducive to diverting the air flow blowing towards the heat reflection plate 42 to the surroundings, reducing the wind pressure received by the heat reflection plate 42, and improving the overall structural stability. Since the distance between the top surface of the heat reflection plate 42 and the bottom surface of the air guide cover 2 gradually decreases from top to bottom, that is, the space between the heat reflection plate 42 and the air guide cover 2 gradually narrows from top to bottom. At this time, the air flow will be compressed when passing through the narrowed space, thereby accelerating the speed and depth of the air flow output into the frying basket 5, and further improving the heating effect of the hot air on the food.

[0026] The inner retaining ring 3 can be an annular structure formed on a plane. In this embodiment, the inner diameter of the inner retaining ring 3 gradually decreases from top to bottom. The inclined setting of the inner retaining ring 3 is conducive to guiding the air flow passing through the inner retaining ring 3, so that the air flow is conducted obliquely into the frying basket 5, and is also conducive to the heat generated by the heat source 41 during operation to directly radiate heat into the frying basket 5, improving the heating effect on the food.

[0027] Furthermore, a flow guiding rib 31 is provided on the top side of the inner retaining ring 3. The flow guiding rib 31 extends downward in an arc shape. A plurality of the flow guiding ribs 31 are arranged at intervals around the inner retaining ring 3. A flow guiding gap is formed between two adjacent flow guiding ribs 31. A plurality of the heat sources 41 are respectively arranged in a plurality of the flow guiding gaps. The flow guiding ribs 31 are arranged in an arc shape on the inner retaining ring 3, so that an arc-shaped flow guiding gap is formed between two flow guiding ribs 31. When the air flow enters the arc-shaped flow guiding gap, it takes away the heat generated by the heat source 41 and enters the frying basket 5. At this time, the air flow rotates and flows in the frying basket 5, which can increase the travel distance of the flow coverage in the frying basket 5, making the hot air flow heat the outer surface of the food more fully, thereby improving the heating effect on the food.

[0028] As a specific structural embodiment of the ventilation assembly, the ventilation assembly includes a confluence box 61 and a fan 62. An air outlet is provided on the bottom side of the confluence box 61. The air outlet forms the air outlet end. The fan 62 is communicated with the outside of the confluence box 61. The bottom side of the fan 62 forms the air inlet end. The fan 62 sucks air from the bottom side and transports it into the confluence box 61, and then outputs it into the air guide cover 2 from the air outlet on the bottom side of the confluence box 61 to form an air flow cycle.

[0029] Furthermore, as Figure 3As shown, there are multiple fans 62. There are air ducts 63 provided between the multiple fans 62 and the busbar box 61. The shapes of the multiple air ducts 63 are respectively arc-shaped, and the multiple air ducts 63 are respectively tangentially connected to the outside of the busbar box 61. The multiple fans 62 work simultaneously, sucking air into the housing 1 and transporting it into the busbar box 61. At this time, multiple airflows are input into the busbar box 61 through the air ducts 63. Since the air ducts 63 are arranged in an arc shape and are tangentially connected to the outside of the busbar box 61, the multiple airflows entering the busbar box 61 are rotationally mixed in the busbar box 61, and a rotationally output airflow is formed when discharging from the air outlet of the busbar box 61. In this way, the airflow rotation effect when the airflow enters the frying basket 5 can be further improved.

[0030] When the air guide cover 2 is directly butted against the bottom side of the busbar box 61, there will be an installation gap between the air guide cover 2 and the busbar box 61, which affects the airtightness of supplying air to the busbar box 61 at this time. Therefore, in this embodiment, a sealing ring 64 is connected to the position of the bottom side of the busbar box 61 where the air outlet is located. The bottom side of the sealing ring 64 is provided with an annular step, and the top end of the air guide cover 2 abuts against the inside of the annular step. When the air guide cover 2 is butted against the busbar box 61, its top end abuts against the inside of the annular step, which can realize the quick connection and alignment with the busbar box 61, improve the connection tightness between the air guide cover 2 and the busbar box 61, and reduce the vibration of the fan 62 during operation from being transmitted to the air guide cover 2.

[0031] In order to enhance the structural stability between the air guide cover 2 and the heat reflection plate 42, in this embodiment, a connecting frame 32 is connected to the inner side of the top of the air guide cover 2, and a positioning column 33 is connected to the inner side of the bottom of the air guide cover 2. A plurality of the positioning columns 33 are arranged around the axis of the air guide cover 2. The top side of the heat reflection plate 42 is clamped to the bottom side of the connecting frame 32, the bottom of the heat reflection plate 42 abuts against the bottom ends of the plurality of positioning columns 33, and a plurality of connecting pieces are provided through the bottom side of the heat reflection plate 42, and the plurality of connecting pieces are respectively connected to the plurality of positioning columns 33. When loading the heat reflection plate 42 into the air guide cover 2, the top side of the heat reflection plate 42 is clamped to the bottom side of the connecting frame 32 to realize the quick connection between the heat reflection plate 42 and the air guide cover 2. At this time, the bottom of the heat reflection plate 42 abuts against the bottom ends of the plurality of positioning columns 33. The plurality of positioning columns 33 can be used to stabilize the bottom position of the heat reflection plate 42. Finally, the plurality of connecting pieces are passed through the heat reflection plate 42 and connected to the positioning columns 33 to stabilize the bottom position of the heat reflection plate 42, thereby improving the structural stability of the heat reflection plate 42.

[0032] In some embodiments, the inner retaining ring 3 and the air guide cover 2 are detachably connected. For example, the inner retaining ring 3 and the air guide cover 2 can be connected by snap fasteners or by screw threads. The inner retaining ring 3 can be disassembled and assembled from the bottom side of the air guide cover 2, so as to facilitate the cleaning and maintenance of structures such as the air guide cover 2, the inner retaining ring 3 and the heating source 41.

[0033] The above specifically describes the preferred embodiments of the present invention, but the present invention is not limited to the above embodiments. Those skilled in the art can make various equivalent variations or substitutions without departing from the spirit of the present invention, and these equivalent variations or substitutions are all included within the scope defined by the claims of this application.

Claims

1. An air fryer, characterized in that: Comprising: A housing (1) with an opening provided on one side of its bottom; A ventilation assembly located at the inner top of the housing (1), with an air inlet end and an air outlet end provided on the bottom side of the ventilation assembly; A wind guide cover (2) whose top end is connected to the bottom side of the ventilation assembly. An air inlet is formed by surrounding at the position where the top end of the wind guide cover (2) faces the air inlet end. An inner retaining ring (3) that extends obliquely towards the center of the wind guide cover (2) is provided at the bottom end of the wind guide cover (2). An air flow gap is formed between the wind guide cover (2) and the inner wall of the housing (1); A heating assembly including a heating source (41) and a heat reflection plate (42). The heating source (41) is arranged inside the wind guide cover (2) and above the inner retaining ring (3). The heat reflection plate (42) is arranged inside the wind guide cover (2) and above the heating source (41). A ventilation gap is provided between the outer side of the heat reflection plate (42) and the inner side of the wind guide cover (2); A frying basket (5) that enters and exits the inside of the housing (1) from the opening. A plurality of ventilation holes (51) are respectively provided on the side wall and the bottom wall of the frying basket (5).

2. The air fryer according to claim 1, wherein: The outer diameter of the wind guide cover (2) gradually increases from top to bottom. A wind guide space that gradually increases from top to bottom is formed by surrounding inside the wind guide cover (2). The heating source (41) is located at the bottom of the wind guide cover (2).

3. An air fryer according to claim 2, characterized in that: The heat reflection plate (42) arches upwards from the periphery to the middle. The distance between the top surface of the heat reflection plate (42) and the bottom surface of the wind guide cover (2) gradually decreases from top to bottom.

4. An air fryer according to claim 2, characterized in that: The inner diameter of the inner retaining ring (3) gradually decreases from top to bottom.

5. An air fryer according to claim 4, characterized in that: Flow guiding ribs (31) are provided on the top side of the inner retaining ring (3). The flow guiding ribs (31) extend downwards in an arc shape. A plurality of the flow guiding ribs (31) are arranged at intervals around the inner retaining ring (3). A flow guiding gap is formed between two adjacent flow guiding ribs (31). A plurality of the heating sources (41) are respectively arranged in a plurality of the flow guiding gaps.

6. An air fryer according to claim 1, characterized in that: The ventilation assembly includes a confluence box (61) and a fan (62). An air outlet is provided on the bottom side of the confluence box (61). The air outlet forms the air outlet end. The fan (62) is connected to the outside of the confluence box (61). The bottom side of the fan (62) forms the air inlet end.

7. An air fryer according to claim 6, characterized in that: The number of the fans (62) is multiple. Air ducts (63) are provided between the multiple fans (62) and the confluence box (61). The shapes of the multiple air ducts (63) are respectively arc-shaped. The multiple air ducts (63) are respectively tangentially connected to the outside of the confluence box (61).

8. An air fryer according to claim 6, characterized in that: A sealing ring (64) is connected to the bottom side of the confluence box (61) at the position of the air outlet. A circular step is provided on the bottom side of the sealing ring (64). The top end of the wind guide cover (2) abuts against the inside of the circular step.

9. The air fryer according to claim 1, wherein: A connecting frame (32) is connected to the inner side of the top of the air guide cover (2), and a positioning post (33) is connected to the inner side of the bottom of the air guide cover (2). A plurality of the positioning posts (33) are arranged around the axis of the air guide cover (2). The top side of the heat reflection plate (42) is clamped to the bottom side of the connecting frame (32), the bottom of the heat reflection plate (42) abuts against the bottom ends of the plurality of positioning posts (33), and a plurality of connecting pieces penetrate through the bottom side of the heat reflection plate (42), and the plurality of connecting pieces are respectively connected to the plurality of positioning posts (33).

10. An air fryer according to claim 1, characterized in that: The inner retaining ring (3) is detachably connected to the air guide cover (2).

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