Cooking device

By introducing a heating fan assembly and a spiral airflow channel into the cooking device, a vortex-type hot air circulation is formed, which solves the problem of uneven hot air circulation in the prior art and achieves uniform heating of food and improved taste.

CN223695656UActive Publication Date: 2025-12-23CUORI ELECTRICAL APPLIANCES GRP
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Patent Information

Application Number
CN202520143614.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2025-12-23
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

The design of hot air circulation paths in existing cooking appliances leads to uneven cooking of food, especially in electric ovens and air fryers, where it is difficult to form a uniform flow of hot air.

Method used

A cooking device is designed that forms a vortex-type hot air circulation path by setting a heating fan assembly, an air guide hood and a spiral airflow groove in the cooking cavity, so that the hot air is evenly distributed in the cooking cavity.

Benefits of technology

This allows for more even heating of food within the cooking cavity, improving both cooking results and flavor.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cooking device which comprises a cooking body, at least one cavity is formed in the cooking body, each cavity is divided into a cooking cavity and an installation cavity which are distributed front and back through a partition plate, a heating fan assembly is arranged in each installation cavity, and the top of each cooking cavity is provided with an air guide cover communicated with the installation cavity. A backflow channel allowing airflow to pass through is formed in the partition plate, and a hot air circulation path from the cooking cavity to the installation cavity to the air guide cover to the cooking cavity is formed in the cavity through the heating fan assembly. The lower end face of each wind scooper is concaved inwards to form a spiral airflow groove, and the backward side of each airflow groove is communicated with the installation cavity and serves as an air inlet so that hot air flow entering the cooking cavity from the installation cavity through the wind scoopers can form vortex airflow under the action of the airflow grooves. According to the technical scheme, vortex type hot air can be formed in the cooking cavity, so that food in the cooking cavity is heated more uniformly, and the taste is better after cooking, frying and baking.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cooking equipment technical field especially relates to a cooking device. BACKGROUND

[0002] The cooking device is usually designed with an internal hot air circulation path, for example, an electric oven and an air fryer, a built-in fan and an electric heating pipe are generally used to achieve the purpose of hot air circulation, the hot air flow is generally designed as a straight airflow path from top to bottom or from left to right, it is difficult to form uniform hot air in the cooking cavity during food frying and roasting, which is not conducive to food cooking. SUMMARY

[0003] In view of the above problems existing in the prior art, the present application provides a cooking device capable of forming uniform hot air in the cooking cavity for cooking food, to overcome at least one of the above technical defects.

[0004] The specific technical solutions are as follows:

[0005] A cooking device, comprising a cooking main body, at least one cavity is formed inside the cooking main body, each cavity is divided into a cooking cavity and a mounting cavity by a partition plate, a heating fan assembly is arranged in the mounting cavity, a wind guide cover is arranged on the top of each cooking cavity and is in communication with the mounting cavity, a backflow channel is formed in the partition plate to allow airflow to pass through, and a hot air circulation path is formed in the cavity by the heating fan assembly from the cooking cavity to the mounting cavity to the wind guide cover to the cooking cavity.

[0006] A spiral airflow groove is formed in the lower end face of each wind guide cover, and the rear side of the airflow groove is in communication with the mounting cavity and serves as an air inlet, so as to form a vortex airflow of the hot air flow entering the cooking cavity from the mounting cavity through the wind guide cover under the action of the airflow groove.

[0007] Preferably, the airflow groove comprises a first segment extending in a circular arc shape and a second segment extending and expanding rearward in a horn shape, and the first segment and the second segment are circularly arcuate.

[0008] Preferably, the side walls of the airflow groove are circularly arcuate transition structures.

[0009] Preferably, the rear end of the second segment extends to a position above the partition plate, and the air inlet is enclosed by the inner wall of the second segment and the upper edge of the partition plate.

[0010] Preferably, each cavity is open to the front and allows a pot assembly to be assembled into the cooking cavity in a drawer type structure, the pot assembly comprises a pot open upward, and the side of the pot facing the partition plate has a backflow groove opposite the position of the backflow channel.

[0011] Preferably, a grid structure is arranged in the backflow groove.

[0012] Preferably, the pot body is also provided with a detachable support frame, and the height of the upper horizontal plane of the support frame is lower than the height of the upper edge of the reflux trough.

[0013] Preferably, the number of cavities is two arranged vertically; or, the number of cavities is multiple arranged side by side.

[0014] Preferably, the cooking body includes an outer shell, an inner shell disposed within the outer shell, and a rear end cover. A partition is disposed between the inner shell and the rear end cover. All cooking cavities are formed within the inner shell. An installation cavity is formed between the rear end cover and the partition. An air inlet is also provided on the side wall of the rear end cover.

[0015] The beneficial effects of the above technical solution are as follows:

[0016] The cooking device includes a cooking body, which contains a cooking cavity, a mounting cavity, a heating fan assembly, an air guide shroud, and a partition. The lower end face of the air guide shroud forms a spiral airflow groove, causing the heated airflow to form a vortex and enter the cooking cavity. It then flows back to the mounting cavity through the return channel on the partition, and is then heated by the heating fan assembly before flowing back into the air guide shroud. This creates a vortex of hot air in the cooking cavity, making the food in the cooking cavity more evenly heated and resulting in better taste after cooking, frying, or grilling. Attached Figure Description

[0017] Figure 1 This is a perspective view of the cooking device of this utility model.

[0018] Figure 2 This is a cross-sectional view of the cooking device of this utility model.

[0019] Figure 3 The three-dimensional view of the cooking device of this utility model after removing the outer shell and pot body components. Figure 1 .

[0020] Figure 4 The three-dimensional view of the cooking device of this utility model after removing the outer shell and pot body components. Figure 2 .

[0021] Figure 5 This is a perspective view of some of the internal components of the cooking device of this utility model.

[0022] Figure 6 This is a perspective view of the air guide cover in the cooking device of this utility model.

[0023] Figure 7 This is a perspective view of the pot body component in the cooking device of this utility model. Detailed Implementation

[0024] To make the technical means, creative features, achieved objectives and effects of this utility model easier to understand, the following embodiments are described in detail with reference to the accompanying drawings. And as defined... Figure 2 The left-to-right direction shown on the paper is the back-to-front direction in this embodiment, and the up-down direction shown on the paper is the up-down direction in this embodiment. Figure 2 The arrows shown indicate the airflow path within the cooking device.

[0025] See Figures 1 to 7 As shown in the figure, the cooking device provided in this embodiment includes a cooking body 1, which has at least one cavity inside. Each cavity is divided into a cooking cavity 11 and a mounting cavity 12 distributed front and rear by a partition 2. A heating fan assembly (not shown in the figure) is disposed in the mounting cavity 12. Each cooking cavity 11 has an air guide shroud 3 connected to the mounting cavity 12 at its top. A return channel 21 is opened on the partition 2 to allow airflow to pass through, and the heating fan assembly forms a hot air circulation path in the cavity from the cooking cavity 11 to the mounting cavity 12 to the air guide shroud 3 and back to the cooking cavity 11.

[0026] Each air guide shroud 3 has a spiral airflow groove 31 formed in the lower end face, and the rear side of the airflow groove 31 is connected to the mounting cavity 12 and serves as an air inlet 30, so as to cause the hot airflow entering the cooking cavity 11 from the mounting cavity 12 through the air guide shroud 3 to form a vortex airflow under the action of the airflow groove 31.

[0027] Based on the above technical solution, the cooking device includes a cooking body 1, which has a cooking cavity 11, a mounting cavity 12, a heating fan assembly, an air guide hood 3, and a partition 2. The lower end face of the air guide hood 3 forms a spiral airflow groove 31, which causes the heated airflow to form a vortex and enter the cooking cavity 11. It then flows back to the mounting cavity 12 through the return channel 21 on the partition 2, and is then heated by the heating fan assembly and flows back into the air guide hood 3. This can form a vortex-type hot air in the cooking cavity, making the food in the cooking cavity 11 more evenly heated and resulting in better taste after cooking, frying, or grilling.

[0028] In a preferred embodiment, specifically as follows: Figure 3 and 6 As shown in the figure, in this embodiment, the airflow groove 31 includes a first section 32 extending in an arc shape and a second section 33 extending and expanding in a trumpet shape in a rearward direction, with an arc transition between the first section 32 and the second section 33.

[0029] In practical applications, the airflow is delivered into the second section 33 by the heating fan assembly and is appropriately pressurized in the trumpet-shaped converging structure. Part of the airflow flows directly downwards into the cooking chamber 11, while the other part continues to flow towards the arc-shaped first section 32 until it reaches the end of the first section 32. During this process, airflow simultaneously flows downwards into the cooking chamber 11. Based on the trumpet-shaped converging structure of the second section 33, the airflow passively selects its flow direction, thereby forming a vortex under the action of the airflow channel 31. In this design, the spiral extension angle of the airflow channel 31 is designed to be 120 to 200 degrees, but it can obviously be designed to be larger or smaller. Typically, since the airflow channel 31 in this design is designed to be an open structure facing downwards, the hot air flows downwards into the cooking chamber 11 simultaneously during the flow of the airflow channel 31. Therefore, it is preferred to design it to be only 180 degrees. Specifically, it can be designed into multiple spirals or three-quarter spirals, etc., based on parameters such as the width, length, curvature, and hot air delivery rate of the airflow channel 31, and is not limited to this. Furthermore, the sidewalls of the airflow groove 31 are all configured with an arc-shaped transition structure, which makes the airflow within the airflow groove 31 flow more smoothly.

[0030] As a further preferred embodiment, combined with Figure 5 As shown, the rear end of the second section 33 of the airflow channel 31 extends to the position above the partition 2, and the inner wall of the second section 33 and the upper edge of the partition 2 together form an air inlet 30.

[0031] In a preferred embodiment, each cavity is open to the front, allowing a pot assembly 4 to be fitted into the cooking cavity 11 in a drawer-like structure. The pot assembly 4 includes an upward-opening pot body 41, with a return groove 42 on the side of the pot body 41 facing the partition 2, opposite to the return channel 21. This allows the hot air flowing through the upper air guide shroud 3 to vortex downwards into the pot assembly 4 to cook the food, and then return to the mounting cavity 12 via the return groove 42 and the return channel 21. After being heated, the air is then sent to the air guide shroud 3 by the fan to form a hot air circulation for cooking the food.

[0032] As a further preferred embodiment, the reflux trough 42 is provided with a grid structure, which can effectively prevent some of the oil stains and lumpy food residues generated by frying or grilling food from moving out of the pot body 41. Furthermore, a support frame 43 is detachably provided inside the pot body 41, and the upper horizontal plane of the support frame 43 is lower than the height of the upper edge of the reflux trough 42. In addition, the pot body assembly 4 also includes a panel and handle located on the front side of the pot body 41; these are not original designs of this solution, so they are omitted here.

[0033] As a further preferred embodiment, combined with Figures 2 to 4As shown, the number of cavities is two arranged vertically; or, the number of cavities is multiple arranged side by side. It is also possible to consider designing more cavities arranged in multiple rows and columns, which only requires adaptive adjustments to the body structure, and each pot body component 4 corresponds to one heating fan component and air guide hood 3.

[0034] As a further preferred embodiment, the cooking body 1 includes an outer shell, an inner shell 6 disposed within the outer shell, and a rear end cover 5. A partition 2 is provided between the inner shell 6 and the rear end cover 5. All cooking chambers 11 are formed within the inner shell 6. The rear end cover 5 and the partition 2 form an installation cavity 12. An air inlet 51 is also provided on the side wall of the rear end cover 5 to serve as an air inlet for supplementing airflow to the heating fan assembly. That is, in this solution, a single rear end cover 5 is used. It is worth noting that the heating fan assembly is a conventional electrical component, mainly including a volute fan and an electric heating element. In this solution, the volute fan receives the return hot air in the middle and the supplementary airflow entering through the air inlet 51. After being heated by the electric heating element, the airflow is discharged upward to the air inlet 30 between the air guide shroud 3 and the partition 2. This is also a commonly used electrical component in air fryers. A cooling fan can also be designed at the rear. All electrical components are electrically connected to the control circuit board inside the cooking body 1, so detailed descriptions are omitted here. In addition, the air guide shroud 3 in this embodiment also serves as the upper cover for sealing the open end of the cooking chamber 11, and the outer shell also has a grid arranged opposite to the air inlet 30. The cooking body 1 is the body of the air fryer, but this structure is also applicable to other cooking devices.

[0035] The above description is merely a preferred embodiment of the present utility model and is illustrative rather than restrictive. Those skilled in the art will understand that many changes, modifications, and even equivalents can be made within the spirit and scope defined by the claims of the present utility model, all of which will fall within the protection scope of the present utility model.

Claims

1. A cooking apparatus comprising a cooking body (1), wherein the cooking body (1) has at least one cavity, each cavity being divided by a partition (2) into a cooking cavity (11) and a mounting cavity (12) distributed front and rear, wherein a heating fan assembly is disposed in the mounting cavity (12), and each cooking cavity (11) is provided with a guide hood (3) communicating with the mounting cavity (12) at its top, wherein a return channel (21) is provided on the partition (2) to allow airflow to pass through, and the heating fan assembly forms a hot air circulation path within the cavity from the cooking cavity (11) to the mounting cavity (12) to the guide hood (3) and back to the cooking cavity (11); characterized in that, Each of the air guide hoods (3) has a spiral airflow groove (31) formed in the lower end face, and the rear side of the airflow groove (31) is connected to the mounting cavity (12) and serves as an air inlet (30) to cause the hot airflow entering the cooking cavity (11) from the mounting cavity (12) through the air guide hood (3) to form a vortex airflow under the action of the airflow groove (31).

2. The cooking apparatus as described in claim 1, characterized in that, The airflow groove (31) includes a first section (32) extending in an arc shape and a second section (33) extending and expanding in a trumpet shape in a rearward direction, with an arc transition between the first section (32) and the second section (33).

3. The cooking apparatus as described in claim 2, characterized in that, The sidewalls of the airflow groove (31) are all configured as arc-shaped transition structures.

4. The cooking apparatus as described in claim 3, characterized in that, The rear end of the second segment (33) extends to the upper position of the partition (2), and the inner wall of the second segment (33) and the upper edge of the partition (2) together form the air inlet (30).

5. The cooking apparatus as described in claim 1, characterized in that, Each of the cavities is open to the front and allows a pot assembly (4) to be fitted into the cooking cavity (11) in a drawer-like structure. The pot assembly (4) includes an upward-opening pot body (41) with a reflux groove (42) on the side of the pot body (41) facing the partition (2) opposite to the reflux channel (21).

6. The cooking apparatus as described in claim 5, characterized in that, The reflux trough (42) is provided with a grid structure.

7. The cooking apparatus as described in claim 5, characterized in that, The pot body (41) is also provided with a detachable support frame (43), and the height of the upper horizontal plane of the support frame (43) is lower than the height of the upper edge of the return channel (42).

8. The cooking apparatus as claimed in claim 1, characterized in that, The number of cavities is two arranged vertically; or the number of cavities is multiple arranged side by side.

9. The cooking apparatus as claimed in claim 8, characterized in that, The cooking body (1) includes an outer shell, an inner shell (6) disposed in the outer shell, and a rear end cover (5). The partition (2) is disposed between the inner shell (6) and the rear end cover (5). All the cooking cavities (11) are formed in the inner shell (6). The rear end cover (5) and the partition (2) form the mounting cavity (12). An air inlet (51) is also provided on the side wall of the rear end cover (5).