Cold air system of top-top and bottom-back blowing double-pan air fryer

Abstract

The utility model relates to a cold air system of an upper-top and lower-back blowing double-pan air fryer, aiming at solving the technical problem that the flow guide effect of the upper part of a machine body is poorer because the cold air system in the conventional similar product is poorer in effect and is particularly difficult to be suitable for the heat dissipation of a structure for simultaneously processing and cooking food at high temperature in an upper cavity and a lower cavity. The air cooling system is characterized in that a gold centrifugal fan blade, a plastic centrifugal fan blade and a corresponding wind scooper are respectively arranged at the upper top and the lower back blowing part in a machine body of the air cooling system, and heating pipes are respectively arranged at the upper tops in hardware linings in an upper cavity and a lower cavity; a main cold air cavity is formed between the outer diameters of the upper hardware lining and the lower hardware lining of the upper cavity and the lower cavity and the inner diameter of the machine body and between the outer diameters of the upper hardware lining and the lower hardware lining of the upper cavity and the lower cavity and between the outer diameters of the lower hardware lining and the base and is divided into an upper main cold air cavity and a lower main cold air cavity through a plastic partition plate. Aligned through holes are respectively formed in the upper and lower edges of the housing at the upper and lower frying basket linings of the upper and lower auxiliary air cooling cavities; and notches are respectively formed in the edges of the plastic partition plates.

Description

TECHNICAL FIELD

[0001] The utility model relates to air fryer, be a kind of upper top back blow double-pot air fryer's cold air system. BACKGROUND

[0002] Air fryer is a kind of new type household appliance using high-speed air circulation technology to food, its made food can reduce 80% oil compared with traditional electric fryer, easy to clean in daily use, both safe and economical, people are favored. In order to improve the efficiency of air fryer, some air fryer is equipped with upper and lower double-pot or left and right double-pot, among some air fryer adopts upper and lower double-layer machine body and pot body structure design, and its upper layer is provided with heating pipe and fan blade in top, lower layer rear is provided with another heating pipe and another fan blade, such as Chinese patent document discloses the application number 202322669357.6, authorized announcement day 2024.04.26, utility model name "a double-layer air fryer". But the effect of cold air system in the above product and similar product is poor, specifically for the structure heat dissipation that is more difficult to apply to the simultaneous high-temperature processing of food in upper and lower cavities, leading to the poor flow guiding effect of the upper part of the machine body. SUMMARY

[0003] To overcome the above shortcomings, the utility model aims at providing an upper top back blow double-pot air fryer to the field, which solves the poor effect of the cold air system in the existing similar products, specifically for the structure heat dissipation that is more difficult to apply to the simultaneous high-temperature processing of food in upper and lower cavities, leading to the poor flow guiding effect of the upper part of the machine body, and the poor food cooking and processing effect. The purpose is realized through the following technical scheme.

[0004] A cooling air system for a double-pot air fryer with top and back blowing, the cooling air system includes a body, a plastic partition, a base, a hardware lining and a frying basket lining, the base is arranged at the seat opening at the bottom of the body, and the body is divided into an upper and a lower layer, and corresponding upper and lower cavities; a lower metal centrifugal fan blade and a lower plastic centrifugal fan blade are arranged at the back of the lower cavity, the motor shaft of the lower motor at the outer side of the lower metal lining inside the body is connected to the lower metal centrifugal fan blade and the lower plastic centrifugal fan blade, a lower heating pipe is arranged at the top of the lower cavity; an upper heating pipe and an upper metal centrifugal fan blade are arranged in sequence at the top of the body, and the upper metal lining outside the body at the top is provided. The upper plastic centrifugal fan blade and the upper motor are provided on the side in sequence. The motor shaft of the upper motor is connected to the upper hardware centrifugal fan blade and the upper plastic centrifugal fan blade; the outer diameter of the upper plastic centrifugal fan blade is provided with an upper air guide cover fixed to the top of the top hardware insulation layer, and the outer diameter of the lower plastic centrifugal fan blade is provided with a lower air guide cover fixed to the back of the back hardware insulation cover. The upper motor of the upper air guide cover and the lower motor of the lower air guide cover are respectively provided with hollow holes, and one side of the upper and lower cavities are respectively provided with openings and upper and lower pot bodies for placing therein. The upper and lower pot bodies are respectively provided with upper frying basket lining and lower frying basket lining, and upper handle and lower handle. The key points of its structural design are that the outer diameters of the upper hardware lining and the lower hardware lining of the upper and lower cavities respectively form a main cold air cavity with the inner diameter of the machine body and the base, and the main cold air cavity is divided into upper and lower main cold air cavities by a plastic partition, and upper and lower auxiliary air cooling cavities are respectively provided in the cover shells of the upper frying basket lining and the lower frying basket lining of the upper and lower cavities, and through holes are respectively provided at the upper and lower edges of the cover shells of the upper frying basket lining and the lower frying basket lining of the upper and lower auxiliary cold air cavities, and the through holes are respectively communicated with the lower holes at the edge of the base of the lower cavity of the machine body opening, and the upper holes at the edge of the upper hardware lining of the upper cavity of the machine body opening, and the upper and lower outer diameters of one side of the machine body at the plastic partition are respectively provided with upper air outlet and lower air outlet, the upper air guide cover and the lower air guide cover are respectively connected to the upper air outlet and lower air outlet of the machine body, an air inlet is provided on the other side of the machine body or the base, and notches are respectively provided at the edges of the plastic partitions on both sides of the body opening.

[0005] A plastic base plate is provided above the inner diameter of the base at the bottom opening of the housing. A lower hole is provided at one end of the plastic base plate along the edge of the base of the lower cavity of the housing opening. The plastic base plate has a through hole. The external power cable of the power board assembly in the housing extends through the plastic partition and the plastic base plate to one side of the base. This improves the stability of the bottom of the lower cavity and the stability of the housing.

[0006] The upper air outlet and the lower air outlet of the machine body are respectively arranged on the upper and lower sides of the plastic partition in the machine body. The above is an embodiment in which the upper air outlet and the lower air outlet are arranged on the upper and lower sides of the machine body.

[0007] The air inlet of the base is provided with openings at equal distances at the bottom or both sides, so that air can be easily taken in through the air inlets on both sides of the base.

[0008] The back part of the upper cavity in the plastic partition is provided with a power panel assembly and an external power supply line, and the top end corner of one side of the opening of the machine body is provided with a PCB control assembly, and the PCB control assembly is connected with the power panel assembly through a line.

[0009] The upper and lower five metal inner liners and the back part of the upper five metal inner liner are respectively provided with concave-convex surfaces formed by stamping, so that the air guiding effect is improved.

[0010] The through holes in the upper and lower edges of the upper and lower cover shells of the upper and lower auxiliary cold air cavities are communicated with the partition hole in the plastic partition, and one end of the plastic partition extends and is located between the openings of one side of the machine body at the upper and lower edges of the upper and lower cover shells of the upper and lower frying basket liners.

[0011] The notch of the plastic partition is arranged on the back part, and the upper air outlet and the lower air outlet are respectively arranged on the upper and lower outer diameters of the back part of the machine body corresponding to the notch.

[0012] The air cooling system has the advantages of simple and reasonable structure, good heat dissipation and cold air effect, long service life, good safety and stability, and is suitable for use as an air cooling system of an air fryer with top blowing and back blowing, and structural improvement of similar products. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a schematic diagram of the working principle of the embodiment air cooling system, and the arrows in the figure are the cold air circulation and heat dissipation directions.

[0014] Figure 2 is Figure 1 is a schematic diagram of the internal structure of the machine body part after the rear part of the three-dimensional structure of

[0015] Figure 3 is Figure 2 is a schematic diagram of the front three-dimensional structure of

[0016] Figure 4 is Figure 2 is a sectional view of

[0017] SEQ ID NO. and name: 1, upper five metal inner liner, 2, upper frying basket liner, 3, plastic partition, 301, notch, 4, lower frying basket liner, 5, lower five metal inner liner, 6, base, 7, lower air outlet, 8, lower air guide cover, 9, upper air outlet, 10, upper air guide cover, 11, power panel assembly, 12, plastic bottom plate, 13, PCB control assembly. IMPLEMENTATION

[0018] Now, in conjunction with the accompanying drawings, the structure and use of the utility model are further described. Figures 1-4 As shown, the cold air system includes a body, a plastic partition 3, a base 6, a hardware lining and a frying basket lining. The base is arranged at the seat opening at the bottom of the body. The body is divided into two layers, upper and lower, and corresponding upper and lower cavities; the back of the lower cavity is provided with a lower metal centrifugal fan blade and a lower plastic centrifugal fan blade, the motor shaft of the lower motor at the outer side of the lower metal lining 5 in the body is connected with the lower metal centrifugal fan blade and the lower plastic centrifugal fan blade, and the top of the lower cavity is provided with a lower heating pipe; the top of the upper cavity is provided with an upper heating pipe and an upper metal centrifugal fan blade in sequence, and the outer side of the upper metal lining 1 in the body at the top is provided with an upper plastic centrifugal fan blade in sequence. The centrifugal fan blade and the upper motor, the motor shaft at the upper motor is connected to the upper hardware centrifugal fan blade and the upper plastic centrifugal fan blade; the outer diameter of the upper plastic centrifugal fan blade is provided with an upper air guide cover 10 fixed to the top of the top hardware insulation layer, and the outer diameter of the lower plastic centrifugal fan blade is provided with a lower air guide cover 8 fixed to the back of the back hardware insulation cover. The upper motor of the upper air guide cover and the lower motor of the lower air guide cover are respectively provided with hollow holes, and one side of the upper and lower cavities are respectively provided with openings and the upper pot body and the lower pot body. The upper pot body and the lower pot body are respectively provided with an upper frying basket liner 2 and a lower frying basket liner 4, and an upper handle and a lower handle. The outer diameters of the upper hardware lining and the lower hardware lining of the above-mentioned upper and lower cavities respectively constitute a main cold air cavity with the inner diameter of the machine body and the base. The main cold air cavity is divided into upper and lower main cold air cavities by a plastic partition. The upper frying basket lining and the lower frying basket lining of the upper and lower cavities are respectively provided with upper and lower auxiliary air cooling cavities in the cover shell. The upper and lower edges of the upper frying basket lining and the lower frying basket lining of the upper and lower auxiliary cold air cavities are respectively provided with through holes, and the through holes are respectively communicated with the lower holes at the edge of the base of the lower cavity of the machine body opening, and the upper holes at the edge of the upper hardware lining of the upper cavity of the machine body opening. The upper and lower outer diameters of one side of the machine body at the plastic partition are respectively provided with upper air outlet 9 and lower air outlet 7, the upper air guide cover and the lower air guide cover are respectively connected to the upper air outlet and the lower air outlet of the machine body, an air inlet is provided on the other side of the machine body or the base, and notches 301 are respectively provided on the edges of the plastic partitions on both sides of the body opening.

[0019] A plastic base plate 12 is located above the base of the housing's bottom opening. A lower hole is located at one end of the plastic base plate, along the edge of the base of the housing's lower cavity. The plastic base plate also has a through hole. The external power cable for the power board assembly 11 within the housing extends through the plastic partition 3 and the plastic base plate and extends out of one side of the base. The power board assembly and external power cable are located on the back of the upper cavity, within the plastic partitions of the upper and lower cavities. A PCB control assembly 13 is located at a top corner on one side of the housing's opening, connected to the power board assembly via wiring. The upper and lower air outlets of the housing are located on the upper and lower sides of the plastic partitions, respectively. The air inlet of the base is provided with equally spaced openings on the bottom or both sides. Stamped concave and convex surfaces are formed on both sides of the upper and lower metal linings within the housing, as well as on the back of the upper metal lining.

[0020] The cold air of this cold air system enters through the opening on the base, and part of it is drained upward by the upper and lower auxiliary air cooling chambers at the openings on the upper and lower fryer basket liners, passes through the outer side of the upper hardware lining and the PCB components inside the machine body, and is sucked to the air inlet of the top upper air guide cover, and then passes through the cold air channel formed by the upper plastic centrifugal fan blades and the upper air guide cover, blown to the upper air outlet, and discharged out of the machine; the other part passes through the outer side of the lower and lower hardware liners inside the machine body, and part of it passes through the notch on the middle plastic partition, and is drained to the outer side of the upper hardware lining, skipping the upper hardware insulation inner layer, returning to the air inlet of the upper air guide cover, and then passes through the cold air channel formed by the upper plastic centrifugal fan blades and the upper air guide cover, blown to the upper air outlet, and discharged out of the machine; another part passes through the outer side of the lower and lower hardware liners inside the machine body, returns to the lower air guide cover enclosure, and then passes through the cold air channel formed by the lower plastic centrifugal fan blades and the lower air guide cover, blown to the lower air outlet, and discharged out of the machine.

[0021] During use, the lower pot of the double-pot air fryer is taken out through the lower handle, or the upper pot is taken out through the upper handle. After food is put on the lower grill in the lower pot, the lower pot is put back into the lower body through the lower handle, or after food is put on the upper grill in the upper pot, the upper pot is put back into the upper body through the upper handle. Finally, the corresponding cooking button on the control panel of the PCB control component is pressed, and the corresponding food in the lower pot or the upper pot can be automatically processed and cooked.

Claims

1. A cold air system for a double-pot air fryer with top and back blowing, the cold air system comprises a body, a plastic partition (3), a base (6), a hardware lining and a frying basket lining, the base being arranged at a seat opening at the bottom of the body, the body being divided into two layers, upper and lower, and corresponding upper and lower cavities; a lower metal centrifugal fan blade and a lower plastic centrifugal fan blade are arranged at the back of the lower cavity, a motor shaft at the lower motor on the outside of the lower metal lining (5) in the body is connected to the lower metal centrifugal fan blade and the lower plastic centrifugal fan blade, a lower heating pipe is arranged at the top of the lower cavity; an upper heating pipe and an upper metal centrifugal fan blade are arranged at the top of the upper cavity in sequence, and the outer side of the upper metal lining (1) in the body at the top is arranged in accordance with the upper metal lining (1) in the body at the top. The upper plastic centrifugal fan blade and the upper motor are provided, and the motor shaft of the upper motor is connected to the upper metal centrifugal fan blade and the upper plastic centrifugal fan blade; the outer diameter of the upper plastic centrifugal fan blade is provided with an upper air guide cover (10) fixed to the top of the top metal heat insulation layer, and the outer diameter of the lower plastic centrifugal fan blade is provided with a lower air guide cover (8) fixed to the back of the back metal heat insulation cover, the upper motor of the upper air guide cover and the lower motor of the lower air guide cover are respectively provided with hollow holes, and the upper and lower cavities are respectively provided with openings and upper and lower pot bodies for placement, and the upper and lower pot bodies are respectively provided with upper frying basket lining (2) and lower frying basket lining (4), and upper handles and lower handles; it is characterized in that The outer diameters of the upper hardware lining (1) and the lower hardware lining (5) of the upper and lower cavities respectively form a main cold air cavity with the inner diameter of the machine body and the base (6). The main cold air cavity is divided into upper and lower main cold air cavities by a plastic partition (3). Upper and lower auxiliary air cooling cavities are respectively provided in the cover shells of the upper frying basket lining (2) and the lower frying basket lining (4) of the upper and lower cavities. Through holes are respectively provided at the upper and lower edges of the cover shells of the upper frying basket lining and the lower frying basket lining of the upper and lower auxiliary cold air cavities. The through holes are respectively communicated with the lower holes at the edge of the base of the lower cavity of the machine body opening and the upper holes at the edge of the upper hardware lining of the upper cavity of the machine body opening. The upper and lower outer diameters of one side of the machine body at the plastic partition are respectively provided with an upper air outlet (9) and a lower air outlet (7). The upper air guide cover and the lower air guide cover are respectively connected to the upper air outlet and the lower air outlet of the machine body. An air inlet is provided on the other side of the machine body or the base. Notches (301) are respectively provided at the edges of the plastic partition on both sides of the machine body opening.

2. The cooling air system of the double-pot air fryer with top and back blowing according to claim 1 is characterized in that A plastic bottom plate (12) is provided above the base (6) with an inner diameter at the bottom opening of the body, and a lower hole at the edge of the base of the lower cavity of the body opening is provided at one end of the plastic bottom plate. The plastic bottom plate is provided with a through hole, and an external power line of the power board assembly (11) in the body extends out of one side of the base through the plastic partition (3) and the plastic bottom plate.

3. The cooling air system of the double-pot air fryer with top and back blowing according to claim 1 is characterized in that The upper air outlet (9) and the lower air outlet (7) of the machine body are respectively arranged on the upper and lower sides of the plastic partition (3) in the machine body.

4. The cooling air system of the double-pot air fryer with top and back blowing according to claim 1 is characterized in that The air inlet of the base (6) is provided with openings at equal distances on the bottom or both sides.

5. The cooling air system of the double-pot air fryer with top and back blowing according to claim 1 is characterized in that A power board assembly (11) and an external power line are provided on the back of the upper cavity at the plastic partition (3) in the upper and lower cavities, and a PCB control assembly (13) is provided at the top corner of one side of the body opening, and the PCB control assembly is connected to the power board assembly through a line.

6. The cooling air system of the double-pot air fryer with top and back blowing according to claim 1 is characterized in that Both sides of the upper hardware lining (1) and the lower hardware lining (5) in the body, and the back of the upper hardware lining are respectively provided with concave and convex surfaces formed by stamping.

7. The cooling air system of the double-pot air fryer with top and back blowing according to claim 1 is characterized in that The through holes at the upper and lower edges of the upper frying basket liner (2) and the lower frying basket liner (4) cover shells at the upper and lower auxiliary cold air chambers are respectively communicated through the partition holes at the plastic partition (3), and one end of the plastic partition extends out and is located between the openings on one side of the machine body at the upper and lower edges of the upper frying basket liner and the lower frying basket liner cover shells.

8. The cooling air system of the double-pot air fryer with top and back blowing according to claim 1 is characterized in that The notch (301) of the plastic partition (3) is provided on the back, and an upper air outlet (9) and a lower air outlet (7) are provided on the upper and lower outer diameters of the back of the machine body corresponding to the notch.

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