An air fryer with adjustable air flow

By incorporating adjustable movable parts and a centrifugal fan system at the bottom of the air fryer basket, the problem of fixed airflow in air fryers is solved, enabling flexible airflow adjustment and uniform food heating, thus improving user experience and equipment adaptability.

CN224291732UActive Publication Date: 2026-05-29HANGZHOU YONGYAO TECH

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HANGZHOU YONGYAO TECH
Filing Date
2025-05-06
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing air fryers have fixed ventilation volume and airflow circulation speed, which cannot be flexibly adjusted according to different types of food, cooking time and user needs. This results in uneven heating of food or excessively high or low temperatures, making it difficult to meet diverse cooking needs.

Method used

An adjustable movable part is set at the bottom of the air fryer basket. By changing the opening area of ​​the ventilation holes, the ventilation volume and airflow circulation speed can be adjusted. Combined with the centrifugal fan and the adjustment plate of the return air vent, flexible control of hot air can be achieved.

Benefits of technology

It enables flexible adjustment of ventilation volume and airflow circulation speed, ensuring even heating of food, expanding the application range of air fryers, and improving cooking results and user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to kitchen home appliance technical field, and its specific disclosure is an air fryer with adjustable ventilation, which comprises: a fryer body and a fry basket, the fryer body is internally limited to a cooking cavity, and the top is limited to a hot air channel, the hot air channel is configured to guide hot air into the cooking cavity, and the cooking cavity is also provided with an air outlet; the fry basket is detachably arranged in the cooking cavity, a ventilation hole is formed in the bottom wall of the fry basket, the ventilation hole is configured to guide the hot air in the fry basket out and discharge or recycle through the air outlet; the utility model further comprises a movable part arranged at the bottom of the fry basket, the movable part is configured to adjust the relative position between the ventilation hole to move, thereby changing the opening area of the ventilation hole, adjusting the ventilation, and changing the air circulation speed in the fry basket to adjust the temperature in the fry basket. Users can flexibly adjust the opening area of the ventilation hole according to the cooking needs of different foods, thereby changing the ventilation and air circulation speed.
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Description

Technical Field

[0001] This utility model relates to the field of kitchen appliance technology, and in particular to an air fryer with adjustable ventilation. Background Technology

[0002] Air fryers, as a relatively new kitchen appliance, have seen widespread application and promotion in the market in recent years. They utilize high-speed air circulation technology to quickly heat food with hot air, creating a crispy outer shell while keeping the inside tender and juicy. This eliminates the need for large amounts of oil, thus meeting the modern consumer's demand for healthy eating. However, existing air fryers still have some shortcomings in their operation and require further improvement and optimization.

[0003] Traditional air fryers typically use a fixed hot air circulation mode, with a fixed ventilation volume and airflow speed, making it impossible to flexibly adjust according to different food types, cooking times, and user needs. This can lead to uneven heating of some foods during cooking, with some areas being too hot or too cold, affecting the taste and cooking results. For example, when cooking large or irregularly shaped foods, the fixed airflow circulation mode may not effectively cover all parts of the food, resulting in prolonged cooking time or uneven cooking. Furthermore, for cooking scenarios requiring precise ventilation, such as baking and cake making, the single hot air circulation mode of existing air fryers is insufficient to meet diverse needs. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide an air fryer with adjustable ventilation volume. By improving the ventilation structure of the air fryer, the ventilation volume can be flexibly adjusted, thereby adapting to various cooking scenarios.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] An air fryer with adjustable ventilation includes:

[0007] The fryer body has a cooking cavity defined inside and a hot air channel defined at the top. The hot air channel is configured to introduce hot air into the cooking cavity, and the cooking cavity is also provided with an air outlet.

[0008] A frying basket is detachably installed inside the cooking cavity. A ventilation hole is provided on the bottom wall of the frying basket. The ventilation hole is configured to export hot air from the frying basket and discharge or recycle it through the air outlet.

[0009] Its features are:

[0010] It also includes a movable component located at the bottom of the frying basket. The movable component is configured to be adjustable and its relative position to the ventilation hole can be moved, thereby changing the ventilation area of ​​the ventilation hole, adjusting the ventilation volume, and thus changing the airflow circulation speed in the frying basket to adjust the temperature in the frying basket.

[0011] Furthermore, the movable component is configured to rotate around the center of the bottom wall of the fryer, and the movable component is provided with through holes corresponding to the ventilation holes. The through holes are configured to move relative to the ventilation holes as the movable component rotates, thereby changing the ventilation area of ​​the ventilation holes.

[0012] Furthermore, the movable component is a turntable rotatably disposed on the inner side of the bottom wall of the frying basket, the bottom wall of the frying basket is provided with a support column, and the turntable is rotatably sleeved on the top of the support column.

[0013] Furthermore, a compression spring is wound around the support column, and the compression spring is configured to support the bottom surface of the adjustment plate and the bottom wall of the frying basket so that the adjustment plate remains stable after the position is adjusted.

[0014] Furthermore, the movable component is configured as a sleeve rotatably disposed on the outer side of the bottom of the frying basket, and the bottom wall of the sleeve is provided with the through hole.

[0015] Furthermore, a circumferential limiting structure is provided between the sleeve and the frying basket. The limiting structure includes a protruding rib on one of the inner side of the sleeve and the outer side of the frying basket, and a groove on the other. The protruding rib and the groove cooperate to limit the sleeve relative to the frying basket in the vertical direction, and allow it to rotate toward the frying basket.

[0016] Furthermore, the ventilation holes are arranged in a circumferential array along the bottom wall of the frying basket.

[0017] Furthermore, the side of the fryer body defines an air source cavity, and a first centrifugal fan is provided in the air source cavity to provide airflow power. The hot air channel is connected to the air source cavity, and hot air is introduced into the cooking cavity by the power of the first centrifugal fan.

[0018] Furthermore, the bottom of the fryer body defines a row of air chambers, the air outlet is located on the bottom wall of the cooking chamber, the exhaust chamber is connected to the air outlet, and a second centrifugal fan is provided in the exhaust chamber. The second centrifugal fan is configured to generate low air pressure at the air outlet, so that the hot air in the cooking chamber flows out from the air outlet.

[0019] Furthermore, the side wall of the cooking cavity is provided with a return air vent that communicates with the air source cavity. The return air vent is provided with an adjustment plate for adjusting the size of the return air vent. The adjustment plate is configured to change the ventilation area of ​​the return air vent by moving its relative position to the return air vent, thereby adjusting the return air volume.

[0020] Due to the adoption of the above technical solutions, this utility model has the following beneficial effects:

[0021] 1. This utility model, by incorporating an adjustable movable component at the bottom of the frying basket, allows users to flexibly adjust the opening area of ​​the ventilation holes according to the cooking needs of different foods, thereby altering the ventilation volume and airflow circulation speed. Reducing the area of ​​the ventilation holes decreases the ventilation volume, thus reducing the hot air circulation speed. This increases the cooking temperature within the cooking cavity, ensuring more even distribution of hot air within the basket and guaranteeing more uniform heating of the food during cooking, preventing localized overheating or uncooking. For cooking scenarios requiring precise temperature and ventilation control, such as baking and cake making, the ventilation area of ​​the ventilation holes can be increased to enhance airflow circulation speed while simultaneously lowering the temperature within the cooking cavity. This design allows users to optimize cooking results by adjusting the ventilation volume as needed, meeting diverse requirements. This flexibility not only improves cooking performance but also broadens the application range of the air fryer, enabling it to adapt to a wider variety of cooking tasks.

[0022] 2. This utility model significantly improves the user experience and equipment stability through the meticulous design of the moving parts' structure and adjustment mechanism. For example, when the moving part is a turntable rotatably mounted inside the bottom wall of the frying basket, the bottom wall of the frying basket has a support column, and the turntable is rotatably fitted onto the top of the support column. A compression spring is wound around the support column, supporting the bottom surface of the adjustment plate and the bottom wall of the frying basket, so that the adjustment plate remains stable after the position is adjusted. This design not only ensures the flexibility of the moving part during the adjustment process, but also, through the action of the compression spring, ensures that the moving part remains stable after the adjustment is completed, avoiding misoperation caused by vibration or external force. In addition, when the moving part is a sleeve rotatably mounted on the outer side of the bottom of the frying basket, a circumferential limiting structure, such as the cooperation of a rib and a groove, is provided between the sleeve and the frying basket to achieve vertical limiting and ensure that the sleeve can rotate relative to the frying basket. This limiting structure design further improves the stability and reliability of the equipment, while simplifying the user's operation process. Users can easily adjust the ventilation volume through a simple rotation action, without complicated operation steps. This design not only enhances the user experience but also extends the lifespan of the device and reduces the risk of malfunctions caused by improper operation. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly introduced below. Obviously, the drawings described below only involve some embodiments of this utility model, and are not intended to limit this utility model.

[0024] Figure 1 This is a schematic diagram of the overall structure of the air fryer according to Embodiment 1 of this application;

[0025] Figure 2 This is a cross-sectional view of the air fryer according to Embodiment 1 of this application;

[0026] Figure 3 for Figure 2 Enlarged view of part A;

[0027] Figure 4 This is a schematic diagram of the structure of the blasting basket in Embodiment 1 of this application;

[0028] Figure 5 This is a schematic diagram of the structure of the turntable in Embodiment 1 of this application;

[0029] Figure 6 This is a cross-sectional view of the air fryer according to Embodiment 2 of this application;

[0030] Figure 7 This is a schematic diagram of the sleeve structure of Embodiment 2 of this application.

[0031] Figure label:

[0032] 100. Fryer body; 101. Cooking chamber; 1011. Air outlet; 1012. Air return outlet; 102. Hot air passage; 103. Air source chamber; 1031. First centrifugal fan; 104. Exhaust chamber; 1041. Second centrifugal fan;

[0033] 200. Bomb basket; 201. Ventilation hole; 202. Support column; 203. Compression spring;

[0034] 300, turntable; 301, through hole;

[0035] 400, sleeve; 401, through hole. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the utility model will be further described in detail below with reference to the accompanying drawings. The components of the embodiments of this utility model described and shown in the accompanying drawings can be arranged and designed in various different configurations. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0037] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0038] Unless otherwise defined, the technical or scientific terms used in this patent document shall have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model patent specification and claims do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, the terms "an," "a," or "the" do not indicate a quantity limitation, but rather indicate the presence of at least one. The terms "comprising" or "including" indicate that the element or object preceding "comprising" encompasses the element or object listed following "comprising" or its equivalents, and do not exclude other elements or objects. Terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer" are used only to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0039] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0040] The following detailed description of some embodiments of the present invention is provided in conjunction with the accompanying drawings. Unless otherwise specified, the features in the following embodiments can be combined with each other.

[0041] Example 1:

[0042] This embodiment provides an air fryer with adjustable ventilation, comprising:

[0043] The fryer body has a cooking cavity defined inside and a hot air channel defined at the top. The hot air channel is configured to introduce hot air into the cooking cavity, and the cooking cavity is also provided with an air outlet.

[0044] The frying basket is detachably installed inside the cooking cavity. Ventilation holes are provided on the bottom wall of the frying basket. The ventilation holes are configured to guide the hot air inside the frying basket out through the air outlet or be recycled.

[0045] The movable component is located at the bottom of the frying basket. The movable component is configured to be adjustable and its relative position to the ventilation hole can be moved, thereby changing the opening area of ​​the ventilation hole, realizing the adjustment of the ventilation volume, and thus changing the airflow circulation speed in the frying basket to adjust the temperature in the frying basket.

[0046] Please see Figures 1-5 The air fryer with adjustable ventilation in this embodiment mainly includes the fryer body 100, the frying basket 200, and movable parts.

[0047] The fryer body 100 defines a cooking cavity 101 inside and a hot air passage 102 at the top. The cooking cavity 101 is provided with an air outlet 1011. The hot air passage 102 is configured to introduce hot air into the cooking cavity, and the air outlet 1011 is configured to exhaust the hot air in the cooking cavity 101 to the outside of the fryer body 100, or to be recycled.

[0048] The frying basket 200 is detachably installed inside the cooking cavity 101, and a ventilation hole 201 is provided on its bottom wall. The ventilation hole 201 is configured to export the hot air inside the frying basket 200 and discharge or recycle it through the air outlet.

[0049] The movable component is located at the bottom of the frying basket 200, and its adjustment can change the ventilation area of ​​the ventilation holes 201. This allows users to flexibly adjust the ventilation area of ​​the ventilation holes 201 according to the cooking needs of different foods, thereby changing the ventilation volume and airflow circulation speed. By reducing the area of ​​the ventilation holes, the ventilation volume can be reduced, thus reducing the hot air circulation speed. This increases the cooking temperature within the cooking cavity 101, allowing the hot air to be distributed more evenly within the frying basket 200, ensuring more even heating of the food during cooking and avoiding localized overheating or uncooking. For cooking scenarios requiring more precise temperature and ventilation control, such as baking and cake making, the ventilation area of ​​the ventilation holes 201 can be increased to improve the airflow circulation speed, while simultaneously lowering the temperature within the cooking cavity. This design allows users to optimize cooking results by adjusting the ventilation volume as needed, meeting diverse requirements.

[0050] In one specific embodiment, the movable component is configured to rotate around the center of the bottom wall of the fryer. The movable component is provided with through holes that correspond one-to-one with the ventilation holes. The through holes are configured to move relative to the ventilation holes as the movable component rotates, thereby changing the ventilation area of ​​the ventilation holes and adjusting the ventilation volume.

[0051] Understandably, the movable part can be adjusted manually by the user, or it can be automatically adjusted by a dedicated electric device. Specifically, the electric device can include a motor and a transmission mechanism, which are mounted on the fryer body. The output end of the transmission mechanism is connected to the movable part to drive it to move relative to the ventilation holes. The transmission mechanism can be a gear or a belt, etc.

[0052] See figure Figure 2 , Figure 3 and Figure 5 In this embodiment, the movable component is a turntable 300 rotatably mounted on the inner side of the bottom wall of the frying basket 200. The bottom wall of the frying basket 200 is provided with a support column 202, and the turntable 300 is rotatably fitted onto the top of the support column 202. The turntable 300 has through holes 301 corresponding one-to-one with the ventilation holes 201, and the turntable 300 can rotate around the center of the bottom wall of the frying basket 200. During the rotation of the turntable 300, the relative position between the through holes 301 and the ventilation holes 201 changes, thereby altering the ventilation area of ​​the ventilation holes 201. When the through hole 301 and the ventilation hole 201 are completely aligned, the ventilation area of ​​the ventilation hole 201 is at its maximum, the ventilation volume is at its maximum, the airflow circulation speed in the frying basket 200 is at its fastest, and the temperature in the cooking cavity 101 is relatively high. When the through hole 301 and the ventilation hole 201 are gradually offset, the ventilation area of ​​the ventilation hole 201 gradually decreases, the ventilation volume decreases accordingly, the airflow circulation speed in the frying basket 200 slows down, and the temperature in the cooking cavity 101 gradually decreases.

[0053] In this embodiment, to ensure the turntable 300 remains stable after position adjustment, a compression spring 203 is wound around the support column 202. One end of the compression spring 203 supports the bottom surface of the turntable 300, and the other end supports the bottom wall of the frying basket 200. When the user rotates the turntable 300 to adjust the ventilation area of ​​the ventilation hole 201, the compression spring 203 generates a certain elastic force, applying pressure to the turntable 300, so that the turntable 300 can be stably held in the corresponding position after adjustment, avoiding rotation of the turntable 300 due to vibration or other external forces during cooking, thereby ensuring the stability of ventilation.

[0054] In one specific embodiment, see Figure 4 The ventilation holes 201 are arranged in an array along the circumference of the bottom wall of the frying basket 200. This array arrangement allows hot air to be distributed more evenly within the frying basket 200, ensuring that the food is heated evenly during cooking.

[0055] In some embodiments, a wind source cavity 103 is defined on the side of the fryer body 100. A first centrifugal fan 1031 is provided in the wind source cavity 103 to provide airflow power. A hot air channel 102 is connected to the wind source cavity 103 and uses the power of the first centrifugal fan 1031 to introduce hot air into the cooking cavity 101.

[0056] In this embodiment, the hot air channel 102 is connected to the air source cavity 103 defined on the side of the fryer body 100. A first centrifugal fan 1031 is installed in the air source cavity 103. After the first centrifugal fan 1031 is powered on, it can generate strong airflow power, heat the air and introduce it into the cooking cavity 101 through the hot air channel 102.

[0057] In some embodiments, the bottom of the fryer body defines a row of air chambers, the air outlet is located on the bottom wall of the cooking chamber, the exhaust chamber is connected to the air outlet, and a second centrifugal fan is provided in the exhaust chamber. The second centrifugal fan is configured to generate low air pressure at the air outlet, so that the hot air in the cooking chamber flows out from the air outlet, thereby improving the hot air circulation efficiency in the cooking chamber.

[0058] In this embodiment, the air outlet 1011 located on the bottom wall of the cooking cavity 101 is connected to the exhaust cavity 104 defined at the bottom of the fryer body 100. A second centrifugal fan 1041 is provided inside the exhaust cavity 104. When the second centrifugal fan 1041 is working, it generates low air pressure at the air outlet 1011, causing the hot air in the cooking cavity 101 to flow out from the air outlet 1011, thereby improving the hot air circulation efficiency in the cooking cavity 101.

[0059] In addition, the air source chamber 103 can be connected to the exhaust chamber 104, so that at least part of the hot air flowing out of the air outlet 1011 flows back into the air source chamber 103, realizing the recycling of hot air, improving energy utilization efficiency, and maintaining the temperature stability inside the cooking chamber 101.

[0060] In some embodiments, the side wall of the cooking cavity is provided with a return air vent that communicates with the air source cavity. An adjustment plate is provided at the return air vent to adjust the size of the return air vent. The adjustment plate is configured to move relative to the return air vent to change the ventilation area of ​​the return air vent, thereby adjusting the return air volume.

[0061] In this embodiment, a return air vent 1012 is provided on the side wall of the cooking cavity 101. Its shape can be regular, such as circular, square, or other polygonal shapes, or it can be designed as an irregular shape according to aerodynamic principles. The purpose is to allow hot air to flow directly back from the cooking cavity 101 to the air source cavity 103. An adjustment plate (not shown in the figure) at the return air vent 1012 can also adopt a turntable structure. The shape of the adjustment plate is adapted to the return air vent 1012, and its size is slightly larger than the return air vent 1012 so that it can completely cover the return air vent 1012, achieving effective adjustment of the ventilation area of ​​the return air vent 1012. A rotating shaft is provided at the center of the adjustment plate, and the rotating shaft is rotatably connected to the side wall of the cooking cavity 101 through rotating connecting components such as bearings, ensuring that the adjustment plate can rotate flexibly. The adjustment plate has through holes corresponding to the return air vent 1012. The number, size, and position of the through holes can be designed according to actual ventilation needs. For example, to achieve more precise ventilation volume adjustment, multiple through holes of different sizes and evenly distributed can be provided. Furthermore, the adjustment plate can be adjusted manually or electrically; this embodiment does not impose any restrictions.

[0062] In practical use, depending on the type and size of the food and cooking requirements, the user can manually rotate the turntable 300 beforehand to adjust the ventilation area of ​​the ventilation holes 201. Then, the food to be cooked is placed in the frying basket 200, and the basket 200 is placed into the cooking chamber 101. For example, when cooking small foods such as French fries and chicken wings that require fast cooking, the turntable 300 can be rotated until the through-hole 301 and ventilation holes 201 largely overlap, increasing the ventilation area of ​​the ventilation holes 201, improving ventilation volume and airflow circulation speed, and accelerating the cooking process. When cooking foods such as cakes and bread that require precise temperature and ventilation control, the turntable 300 can be rotated until the through-hole 301 and ventilation holes 201 partially overlap, reducing the ventilation area of ​​the ventilation holes 201, decreasing ventilation volume and airflow circulation speed, ensuring even heating of the food and achieving the desired baking effect. Alternatively, the turntable can be automatically adjusted via an electric device during cooking to meet specific cooking needs.

[0063] When the air fryer is started, the first centrifugal fan 1031 is powered on and operates, generating strong airflow to heat the air and guide it into the cooking chamber 101 through the hot air channel 102, heating the food placed in the frying basket 200. During the heating process, the moisture on the surface of the food evaporates, and the temperature and flow rate of the hot air change. Part of the hot air enters the exhaust chamber 104 through the ventilation holes 201 and the air outlet 1011 on the bottom wall of the frying basket 200. At this time, the second centrifugal fan 1041 works, generating low air pressure at the air outlet 1011, accelerating the outflow of hot air and increasing the circulation speed of hot air in the cooking chamber, allowing the hot air to exchange heat with the food more quickly. At the same time, another part of the hot air flows back to the air source chamber 103 through the return air vent 1012 on the side wall of the cooking chamber 101, where it is reheated and then enters the cooking chamber 101 again through the hot air channel 102, forming a complete hot air circulation system.

[0064] Example 2:

[0065] The air fryer in this embodiment is structurally the same as that in Embodiment 1, with the main difference being the arrangement of the moving parts. The identical parts will not be described again in this embodiment.

[0066] Please see Figure 6 and Figure 7 In this embodiment, the movable component is a sleeve 400 rotatably disposed on the outer side of the bottom of the frying basket 200. The bottom wall of the sleeve 400 is provided with a through hole 401, which corresponds to the ventilation hole 201 on the bottom wall of the frying basket 200.

[0067] In one specific embodiment, a circumferential limiting structure is provided between the sleeve 400 and the frying basket 200. This limiting structure includes a protruding rib (not shown in the figure) on the inner side of the sleeve 400 and a groove (not shown in the figure) on the outer side of the frying basket 200, or vice versa. The protruding rib and the groove cooperate with each other, so that the sleeve 400 is limited relative to the frying basket 200 in the vertical direction, while being able to rotate relative to the frying basket 200.

[0068] Users can manually or electrically rotate the sleeve 400 to change the relative position between the through hole 401 and the ventilation hole 201, thereby adjusting the opening area of ​​the ventilation hole 201 and regulating the ventilation volume and the airflow circulation speed within the frying basket 200. This design, with the sleeve 400 positioned on the outer bottom of the frying basket 200, facilitates direct user operation. Furthermore, the limiting structure ensures the stability of the sleeve 400 during rotation, preventing vertical displacement and ensuring the accuracy and reliability of ventilation volume adjustment.

[0069] In actual use, when users need to adjust the ventilation volume, they can simply hold the sleeve 400 with their hand and rotate it to the appropriate position according to the cooking requirements.

[0070] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. An air fryer with adjustable ventilation, comprising: The fryer body has a cooking cavity defined inside and a hot air channel defined at the top. The hot air channel is configured to introduce hot air into the cooking cavity, and the cooking cavity is also provided with an air outlet. A frying basket is detachably installed inside the cooking cavity. A ventilation hole is provided on the bottom wall of the frying basket. The ventilation hole is configured to export hot air from the frying basket and discharge or recycle it through the air outlet. Its features are: It also includes a movable component located at the bottom of the frying basket. The movable component is configured to be adjustable and its relative position to the ventilation hole can be moved, thereby changing the ventilation area of ​​the ventilation hole and adjusting the ventilation volume.

2. The air fryer according to claim 1, characterized in that, The movable component is configured to rotate around the center of the bottom wall of the fryer. The movable component has through holes that correspond one-to-one with the ventilation holes. The through holes are configured to move relative to the ventilation holes as the movable component rotates, thereby changing the ventilation area of ​​the ventilation holes.

3. The air fryer according to claim 2, characterized in that, The movable component is a turntable rotatably disposed on the inner side of the bottom wall of the frying basket. The bottom wall of the frying basket is provided with a support column, and the turntable is rotatably fitted onto the top of the support column.

4. The air fryer according to claim 3, characterized in that, A compression spring is wound around the support column. The compression spring is configured to support the bottom surface of the adjustment plate and the bottom wall of the frying basket so that the adjustment plate remains stable after the position is adjusted.

5. The air fryer according to claim 2, characterized in that, The movable component is configured as a sleeve rotatably disposed on the outer side of the bottom of the frying basket, and the bottom wall of the sleeve is provided with the through hole.

6. The air fryer according to claim 5, characterized in that, A circumferential limiting structure is provided between the sleeve and the frying basket. The limiting structure includes a protruding rib on one side of the sleeve and the other side of the frying basket, and a groove on the other side. The protruding rib and the groove cooperate to limit the sleeve relative to the frying basket in the vertical direction, and allow it to rotate towards the frying basket.

7. The air fryer according to claim 1, characterized in that, The ventilation holes are arranged in a circumferential array along the bottom wall of the frying basket.

8. The air fryer according to claim 1, characterized in that, The fryer body has a side portion defined by an air source cavity, and a first centrifugal fan is provided in the air source cavity to provide airflow power. The hot air channel is connected to the air source cavity and uses the power of the first centrifugal fan to introduce hot air into the cooking cavity.

9. The air fryer according to claim 8, characterized in that, The bottom of the fryer body defines a row of air chambers, the air outlet is located on the bottom wall of the cooking chamber, the exhaust chamber is connected to the air outlet, and a second centrifugal fan is provided in the exhaust chamber. The second centrifugal fan is configured to generate low air pressure at the air outlet, so that the hot air in the cooking chamber flows out from the air outlet.

10. The air fryer according to claim 8, characterized in that, The cooking cavity has a return air vent on its side wall that communicates with the air source cavity. The return air vent has an adjustment plate for adjusting its size. The adjustment plate is configured to change the ventilation area of ​​the return air vent by moving its relative position to the return air vent, thereby adjusting the return air volume.