Cooking utensil with back blowing and top rectifying functions

By setting up an air guide hood, heating pipe, centrifugal air blades and rectifier air blades in the pot shell of the air fryer, the problem of poor hot air flow diversion effect in existing air fryer products is solved, and a more efficient food cooking and processing effect is achieved.

CN222997761UActive Publication Date: 2025-06-20NINGBO BIYI ELECTRIC APPLIANCE
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421591688.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-05
Publication Date
2025-06-20
Estimated Expiration
2034-07-05

AI Technical Summary

Technical Problem

Existing air fryer products have fewer through holes in the inner liner above the pot body and the side air outlet of the inner liner, resulting in poor diversion effect of internal hot air and affecting the cooking and processing effect of food.

Method used

A cooking utensil with a back blowing air and a rectifier on the top is designed. By installing an air guide hood, a heating pipe, a centrifugal air blade and a rectifier on the pot shell, a hot air flow system with a back blowing air and a rectifier on the top is formed to improve the flow diversion effect of the hot air in the pot body.

Benefits of technology

Through the improved structural design, the diversion effect of hot air in the pot is significantly improved, the efficiency and effect of food cooking processing are improved, and it is suitable for a wide range of oven applications.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222997761U_ABST
    Figure CN222997761U_ABST
Patent Text Reader

Abstract

The utility model relates to a back-blowing cooking utensil with a rectification function at the top, and aims to solve the problems that few through holes are formed in an inner container above a pot body and are communicated with a side air port of the inner container, rectification fan blades are arranged at orifices of the through holes in the inner container above the pot body, one side of the pot body at the side air port of the inner container is opened, and the side air port of the inner container is not communicated with the side air port of the inner container. The technical purpose is to improve the flow guide of hot air in the machine body. The cooking utensil is characterized in that a pot body on one side of a heating pipe and a centrifugal fan blade of the cooking utensil is provided with a pot body ventilation hole, an opening in the top of a wind scooper is communicated with a rectification channel in a shell, an outlet of the rectification channel is formed above a pot opening of the pot body in the shell, and a rectification fan blade is arranged in a notch in the outlet of the rectification channel. A central shaft of the rectification fan blade is fixed in the rectification channel of the shell through a fixed bearing, and the rectification fan blade is driven by hot air blown out of the rectification channel to rotate; and the diameter of the ventilation opening in the shell on one side above the pot body ventilation hole b is larger than one half of the diameter of the pot body ventilation hole a.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to an air fryer of a cooking appliance, which is a cooking appliance with back blowing and top rectification. Background Art

[0002] An air fryer is a new type of household appliance that uses high-speed air circulation technology to fry food. The food made by it can reduce 80% of the grease compared with traditional electric fryers. It is easy to clean in daily use, safe and economical, and is favored by people. Some existing air fryer products adopt a structural design with a fan blade and a heating tube arranged on one side of the body. For example, the application publication number CN116898294A disclosed in the Chinese patent literature, the application publication date is October 20, 2023, and the invention name is "An air fryer with a steaming function and its control method"; another example is the application publication number CN116982862A disclosed in the Chinese patent literature, the application publication date is November 3, 2023, and the invention name is "An air fryer with intelligent temperature control and its control method"; and another example is the application publication number CN117837949A disclosed in the Chinese patent literature, the application publication date is April 29, 2024, and the invention name is "An air fryer"; however, the heat air diversion effect in the above products and similar products is poor. Specifically, there are fewer through holes provided at the inner liner above the pot body to communicate with the side air vents of the inner liner, and a rectifying fan blade is provided at the orifice of the through hole at the inner liner above the pot body, and one side of the pot body at the side air vent of the inner liner is open to improve the heat air diversion in the machine body. Summary of the Invention

[0003] To overcome the above deficiencies, the purpose of the utility model is to provide a cooking appliance with back blowing and top rectification to the art, so as to solve the technical problem that in existing similar products, there are fewer through holes provided at the inner liner above the pot body to communicate with the side air vents of the inner liner, and a rectifying fan blade is provided at the orifice of the through hole at the inner liner above the pot body, and one side of the pot body at the side air vent of the inner liner is open, resulting in poor food cooking and processing effects. Its purpose is achieved through the following technical solutions.

[0004] A cooking appliance with back blowing and top rectification. An opening is provided on one side of the housing of the cooking appliance. A pot body with a handle is placed into the housing through the opening of the housing. On the other side of the housing symmetric to the opening, a vent with openings is provided on the back inside the housing. A heating tube and a centrifugal fan blade are provided inside a wind guide cover in the housing at the vent. The heating tube is arranged in front of the centrifugal fan blade. The rear part of the centrifugal fan blade is connected to the rotating shaft of a motor inserted into the wind guide cover inside the housing. The heating tube and the motor are connected to a circuit board through wires. The key point of its structural design is that a pot body ventilation hole is provided on the pot body on one side of the heating tube and the centrifugal fan blade. The top of the wind guide cover is provided with an opening that communicates with a rectification channel inside the housing. The outlet of the rectification channel is arranged above the pot opening of the pot body inside the housing. A rectification fan blade is provided in the notch at the outlet of the rectification channel. The central axis of the rectification fan blade is fixed inside the rectification channel of the housing through a fixed bearing. The rectification fan blade is driven to rotate by the hot air blown out through the rectification channel. Thus, the above rectification fan blade does not require a motor drive and has the functions of rectification and air diversion.

[0005] The pot body ventilation hole is arranged at one end of the bottom of the pot body. The pot body ventilation hole includes a pot body ventilation hole a above the grill inside the pot body and a pot body ventilation hole b above the grill. The plate body of the grill is provided with hollow holes. The above is a specific structural design of the pot body ventilation hole, which is convenient for the diversion of hot air above and below the grill.

[0006] The diameter of the ventilation opening at the housing on one side above the pot body ventilation hole b is greater than half of the diameter at the pot body ventilation hole a. Thus, the hot air at the pot body ventilation hole b below the grill inside the pot body enters the through hole upward, and the hot air at the pot body ventilation hole a inside the pot body above the grill enters the through hole downward, forming an aggregation effect and a pressure change effect.

[0007] A heating tube is provided in the opening at the top of the wind guide cover at the rectification fan blade. The heating tube is connected to the circuit board through wires. Thus, the temperature of the pot body cavity inside the top of the pot body is increased through the heating tube, further enhancing the effect of the hot air inside the pot body cavity and meeting the temperature requirements of different foods during cooking and processing.

[0008] The structure of the present utility model is designed simply and reasonably, with good diversion and heating effects, fast food cooking and processing, and a wide range of applications in ovens. It is suitable for use as a cooking appliance with back blowing and top rectification, as well as the structural improvement of similar products. Description of the Drawings

[0009] Figure 1 It is a schematic diagram of the internal working principle structure of an embodiment of the present utility model.

[0010] Figure 2 is Figure 1 The internal improved structure schematic diagram of

[0011] Reference numerals and names of the drawings: 1. Fixed bearing; 2. Rectifying air blade; 3. Pot body; 4. Handle; 5. Grill; 6. Pot body ventilation hole a; 7. Pot body ventilation hole b; 8. Heating tube; 9. Centrifugal air blade; 10. Motor; 11. Air guide cover; 12. Rectifying channel; 13. Heating tube. Embodiment

[0012] Now, in conjunction with the drawings, the structure and use of the present utility model will be further described. As Figure 1 , Figure 2 shown, an opening is provided on one side of the housing of the cooking appliance. The pot body 3 with a handle is placed into the housing through the opening of the housing. On the back of the housing on the other side symmetric to the opening, there is a vent with an opening. Inside the air guide cover 11 in the housing at the vent, there are a heating tube 8 and a centrifugal air blade 9. The heating tube is arranged in front of the centrifugal air blade. The rear part of the centrifugal air blade is connected to the rotating shaft of the motor 10 inserted into the air guide cover in the housing. The heating tube and the motor are connected to the circuit board through wires. The pot body on one side of the heating tube and the centrifugal air blade is provided with pot body ventilation holes. The top opening of the air guide cover communicates with the rectifying channel 12 in the housing. The outlet of the rectifying channel is arranged above the pot opening of the pot body in the housing. Inside the notch at the outlet of the rectifying channel, there is a rectifying air blade 2. The central axis of the rectifying air blade is fixed in the rectifying channel of the housing through a fixed bearing 1. The rectifying air blade is driven to rotate by the hot air blown out in the rectifying channel. The pot body ventilation holes are arranged at one end of the bottom of the pot body. The pot body ventilation holes include the pot body ventilation hole a6 above the grill 5 in the pot body and the pot body ventilation hole b7 above the grill. The plate body of the grill is provided with hollow holes. The diameter of the vent at the housing on one side above the pot body ventilation hole b is greater than half of the diameter at the pot body ventilation hole a. According to the above structural characteristics, further, a heating tube 13 is arranged in the top opening of the air guide cover at the rectifying air blade. The heating tube is connected to the circuit board through wires; and, a filter screen is provided at the corresponding hole position inside the cooking appliance, so as to facilitate the filtration of the hot air at the corresponding position.

[0013] The cooking appliance includes components such as a fixed bearing, a rectifying air blade, a pot body, a centrifugal air blade, an air guide cover, and a heating tube. The cooking appliance adopts a horizontal installation method of the centrifugal air blade. Therefore, the hot air passes through the centrifugal air blade, forms a channel through the air guide cover, is drained from the back to the rectifying air blade at the top, and then evenly dispersed into the pot body, and finally returns to the centrifugal air blade from the pot body ventilation holes at the bottom of the pot body, passing through the heating tube.

[0014] During use, the pot body is taken out of the cooking appliance through the handle. After the food is placed on the grill in the pot body, the pot body is put back into the machine through the handle. By pressing the corresponding cooking button on the control panel, the corresponding food in the pot body can be automatically processed and cooked.

Claims

1. A cooking utensil with back-blowing and top-rectifier, wherein an opening is provided on one side of a shell of the cooking utensil, a pot body (3) with a handle is placed in the shell through the opening, a vent is provided on the back of the shell on the other side symmetrical to the opening, a heating tube (8) and a centrifugal fan blade (9) are provided in an air guide cover (11) in the shell at the vent, the heating tube is arranged in front of the centrifugal fan blade, the rear part of the centrifugal fan blade is connected to the rotating shaft of a motor (10) inserted into the air guide cover in the shell, and the heating tube and the motor are connected to a circuit board through a line; characterized in that The pot body (3) on one side of the heating tube (8) and the centrifugal fan blade (9) is provided with a pot body ventilation hole, the top opening of the air guide cover (11) is communicated with a rectifying channel (12) in the shell, the outlet of the rectifying channel is arranged above the pot mouth of the pot body in the shell, and a rectifying fan blade (2) is arranged in a notch at the outlet of the rectifying channel, the central axis of the rectifying fan blade is fixed in the rectifying channel of the shell through a fixed bearing (1), and the rectifying fan blade is driven to rotate by the hot air blown out of the rectifying channel.

2. The cooking device with back-blowing and top-belt rectification according to claim 1, characterized in that The pot body ventilation holes are arranged at one end of the bottom of the pot body (3), and the pot body ventilation holes include pot body ventilation holes a (6) above the grill (5) in the pot body and pot body ventilation holes b (7) above the grill, and the plate of the grill is provided with hollow holes.

3. The cooking device with back-blowing and top-belt rectification according to claim 2, characterized in that The diameter of the vent at the shell on the side above the pot body vent b (7) is greater than half the diameter of the pot body vent a (6).

4. The cooking device with back-blowing and top-belt rectification according to claim 1, characterized in that A heating tube (13) is provided in an opening at the top of the air guide cover (11) at the rectifying fan blade (2), and the heating tube is connected to the circuit board via a line.

Citation Information

Patent Citations

  • Air fryer

    CN117837949A