CN110840285A - Air fryer facilitating cooling of shell - Google Patents

Abstract

The invention discloses an air fryer beneficial to cooling of a shell, which comprises a machine body (1) with a cooking cavity (131), a pot body (2) capable of entering and exiting the cooking cavity (131) and a heating element (3) capable of sending high-temperature gas into the cooking cavity (131), wherein the machine body (1) comprises a shell (11), an upper cover (12) covering the upper part of the shell (11), an inner container (13) installed in the shell (11) and an air guide cover (14) installed in the upper cover (12), a heat insulation cover (7) is installed in the air guide cover (14), an annular guide wall (145) is arranged on the inner wall of the air guide cover (14) in a downward protruding mode, and a guide cavity (1451) is formed between the guide wall (145) and the top surface of the heat insulation cover (7) in a surrounding mode. Compared with the prior art, the air fryer can improve the air internal circulation efficiency and the cooling effect, and is beneficial to cooling the shell.

Description

Air fryer for cooling the shell

technical field

The invention relates to the technical field of kitchen equipment, in particular to an air fryer which is beneficial for cooling the shell.

Background technique

Air fryer is a new type of household appliance that uses high-speed, high-temperature air circulation technology to fry food. Compared with traditional electric fryers, the food made by it can reduce oil by 80%. It is easy to clean and safe in daily use. Economical and popular.

The existing air fryer generally includes a body, a cooking cavity is formed in the body, a hot air component that can send high-temperature air into the cooking cavity is arranged in the body, and a pot body for holding food is arranged in the cooking cavity. The high-temperature hot air generated by the hot air component heats the ingredients in the pot, and the hot air is fully in contact with the food, and the surface of the food is used to lose moisture instantly and quickly, or coupled with the oil produced by the food itself, the surface of the food forms a crispy taste, showing The effect of being fried.

For example, the utility model patent "Air Fryer" with the patent application number of CN201920242395.4 (announcement number of CN209712628U) discloses an air fryer, which includes an inner pot, an outer casing, a fan assembly, a heating assembly and An upper inner lining assembly, wherein the fan assembly includes a motor and an upper fan blade and a lower fan blade connected to the motor shaft of the motor, the upper inner lining assembly and the upper part of the outer casing form a first cavity, and the upper inner lining assembly and the inner pot form a In the working cavity for cooking ingredients, the motor and the upper fan blade are arranged in the first cavity, the lower fan blade and the heating assembly are arranged in the working cavity, and the upper fan blade air outlet communicated with the first cavity is provided on the outer casing. The air fryer can significantly reduce the temperature rise of the outer casing of the air fryer, and rapidly cool the entire outer casing.

However, in the above-mentioned air fryer, the air flow is easy to escape after entering the first cavity, so that the air flow cannot be quickly discharged from the air outlet of the upper fan blade, which affects the air circulation efficiency and cooling effect.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide an air fryer that can improve the efficiency of air circulation and the cooling effect, which is beneficial to the cooling of the shell, aiming at the current situation of the prior art.

The technical scheme adopted by the present invention to solve the above-mentioned technical problems is: an air fryer that is beneficial to the cooling of the shell, comprising:

The body includes an outer shell, an upper cover covered above the outer shell, an inner tank installed in the outer shell, and an air guide cover installed in the upper cover. A first interlayer is formed between the outer wall of the inner tank and the inner wall of the outer shell, and the guide A second interlayer is formed between the outer wall of the wind hood and the inner wall of the upper cover, the first interlayer is communicated with the second interlayer, and a cooking cavity is formed inside the inner pot;

The heat shield is installed in the air guide hood and divides the inner space of the air guide hood into a cold air cavity at the upper part and a hot air cavity at the lower part;

a pot body capable of entering and exiting the cooking cavity; and

Heating element, which is installed in the heat shield and can send high temperature gas into the cooking cavity;

It is characterized by:

The outer casing is provided with a first air inlet that communicates with the first interlayer and the outside atmosphere, the upper cover is provided with a first air outlet that communicates with the second interlayer and the outside atmosphere, and the air guide cover is provided with a first air outlet. the second air inlet and the second air outlet communicating with the second interlayer and the cold air cavity;

The inner wall of the air guide cover is located on the outer circumference of the second air inlet and is provided with a circular flow guide wall, and a flow guide cavity is formed between the flow guide wall and the top surface of the heat shield, and the flow guide wall is formed. One side has a gap communicating with the guide cavity and the second air outlet.

In order to further accelerate the discharge of the airflow in the guide cavity and improve the cooling effect, it also includes a

The cooling fan is arranged in the guide cavity, and can suck the outside air into the guide cavity through the first air inlet and the second air inlet in sequence, and discharge it through the gap, the second air outlet and the first air outlet in sequence.

In order to ensure even heating of the airflow in the cooking cavity, there are also

a heat circulation fan, disposed in the hot air cavity and above the heating element; and

The motor is arranged in the second interlayer and installed above the air guide hood, and its output shaft is drivingly connected with the cooling fan and the heat circulation fan.

In order to facilitate the discharge of water vapor in the cooking cavity, the heat shield is provided with a third air inlet and a third air outlet which communicate with the cold air cavity and the hot air cavity.

In order to simplify the setting of the first air outlet, the first air outlet is located on the side wall of the upper cover, the second air outlet is located on the side wall of the air guide cover, and the third air outlet is located on the side wall of the air guide cover. The air outlet is located on the side wall of the heat shield, and the second air outlet and the third air outlet are arranged toward the first air outlet. In this way, the air flow of the second air outlet and the third air outlet is both discharged from the first air outlet to the outside atmosphere, and there is no need to respectively open air outlets corresponding to the second air outlet and the third air outlet on the casing.

In order to prevent the airflow discharged from the second air outlet from escaping into the second interlayer again and affecting the cooling effect, the edge of the air guide cover located at the second air outlet is bent and extended outward to form a guide duct. The end part is in contact with the inner wall of the upper cover located on the outer periphery of the first air outlet.

In order to prevent the airflow discharged from the third air outlet from escaping everywhere, the edge of the air guide cover located at the second air outlet is bent inwardly and extended to form a sealing part, and the end of the sealing part and the heat shield are located in the third air outlet. The outer walls of the outer periphery of the air outlet are in contact with each other.

In order to ensure the cooling effect of the upper cover, the upper cover is provided with a fourth air inlet that communicates with the second interlayer and the outside atmosphere.

In order to fully circulate the air in the first interlayer and the second interlayer, the first air inlet is located on the bottom wall of the casing, and the fourth air inlet is located on the top wall of the upper cover.

In order to prevent foreign impurities from entering, the first air outlet is covered with an air outlet cover.

Compared with the prior art, the present invention has the advantage that: by protruding downwardly on the inner wall of the air guide cover, a guide wall is formed so that a guide cavity is formed between it and the top surface of the heat shield, so that the airflow can be quickly guided. Exhaust, avoid escaping everywhere, so as to facilitate the heat dissipation of each component, improve the air circulation efficiency and cooling effect.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the embodiment of the air fryer of the present invention;

Fig. 2 is the longitudinal sectional view of the embodiment of the air fryer of the present invention;

Fig. 3 is the perspective exploded schematic diagram of the embodiment of the air fryer of the present invention;

4 is a schematic three-dimensional structure diagram of an air guide hood in an embodiment of the air fryer of the present invention.

Detailed ways

The present invention will be further described in detail below with reference to the embodiments of the accompanying drawings.

As shown in Figures 1 to 4, it is a preferred embodiment of the air fryer of the present invention which facilitates cooling of the shell. The air fryer includes an organic body 1, a pot body 2, a heating element 3, a motor 4, a cooling fan 5, a heat circulation fan 6 and a heat shield 7, and the air fryer is a pull-out air fryer.

The body 1 includes an outer shell 11 , an upper cover 12 disposed above the outer shell 11 , an inner tank 13 installed in the outer shell 11 , and a wind guide cover 14 installed in the upper cover 12 , the outer wall of the inner tank 13 and the outer shell 11 A first interlayer 111 is formed between the inner walls of the air guide hood 14, a second interlayer 121 is formed between the outer wall of the air guide hood 14 and the inner wall of the upper cover 12, the first interlayer 111 is communicated with the second interlayer 121, and the interior of the inner pot 13 is formed There is a cooking cavity 131 . The heat shield 7 is installed in the air guide hood 14 and divides the inner space of the air guide hood 14 into a cold air cavity 141 located at the upper part and a hot air cavity 142 located at the lower part.

The bottom wall of the housing 11 is provided with a first air inlet 112 that communicates with the first interlayer 111 and the outside atmosphere, and the top wall and the side wall of the upper cover 12 are respectively provided with a fourth air inlet 122 that communicates with the second interlayer 121 and the outside atmosphere. and the first air outlet 123 . In this embodiment, the number of the first air inlets 112 is plural, and they are arranged on the bottom wall of the casing 11 at intervals along the circumferential direction, and the fourth air inlets 122 are annular. A second air inlet 143 and a second air outlet 144 that communicate with the second interlayer 121 and the cold air cavity 141 are respectively opened on the top wall and the side wall of the air guide hood 14 . The top wall and the side wall of the heat shield 7 are respectively provided with a third air inlet 71 and a third air outlet 72 which communicate with the cold air cavity 141 and the hot air cavity 142 . Both the second air outlet 144 and the third air outlet 72 are disposed toward the first air outlet 123 , and the first air outlet 123 is covered with an air outlet cover 15 .

The inner wall of the air guide cover 14 is located at the outer circumference of the second air inlet 143 and is provided with an annular guide wall 145 protruding downward. And one side of the guide wall 145 has a gap 1452 communicating with the guide cavity 1451 and the second air outlet 144 . The edge of the air guide hood 14 at the second air outlet 144 is bent outward to form a guide duct 146 , the end of the guide duct 146 abuts the inner wall of the upper cover 12 on the outer periphery of the first air outlet 123 . The edge of the air guide cover 14 located at the second air outlet 144 is bent inwardly to form a sealing portion 147 .

The pot body 2 can enter and exit the cooking cavity 131 .

The heating element 3 is installed in the heat shield 7 and can send high temperature gas into the cooking cavity 131 .

The motor 4 is arranged in the second interlayer 121 and is installed above the air guide hood 14 .

The cooling fan 5 is arranged in the guide cavity 1451 and is connected to the output shaft of the motor 4 in a driving manner, so that the outside air can be sucked into the guide cavity 1451 through the first air inlet 112 / the fourth air inlet 122 and the second air inlet 143 in sequence. , and are discharged through the gap 1452 , the second air outlet 144 and the first air outlet 123 in sequence.

The thermal circulation fan 6 is arranged in the hot air cavity 142 and is located above the heating element 3, and is connected to the output shaft of the motor 4 in a driving connection. Take away the moisture in the food and heat the food, so as to achieve the effect and taste of frying various foods, French fries, fish and other fried foods.

The working principle of the present invention is as follows: put the pot body 2 containing the ingredients into the cooking cavity 131, start the air fryer, the motor 4 drives the cooling fan 5 and the heat circulation fan 6 to rotate, and the outside air enters the first air inlet 112 from the first air inlet 112. In the first interlayer 111, from the fourth air inlet 122 into the second interlayer 121, the internal circulation of the cold air in the first interlayer 111 and the second interlayer 121 can cool the components, especially the outer shell 11, and finally the airflow will cool down. Under the action of the fan 5, it enters the guide cavity 1451 from the second air inlet 143. A part of the airflow in the guide cavity 1451 is discharged to the outside atmosphere through the gap 1452, the second air outlet 144 and the first air outlet 123 in turn, and the other part is discharged into the outside atmosphere. The hot air is blown into the hot air cavity 142 from the third air inlet 71 , heated by the heating element 3 to form hot air, and then the hot air is blown into the cooking cavity 131 by the thermal circulation fan 6 to heat the ingredients in the cooking cavity 131 , and finally the hot air cavity 142 The hot air is discharged into the outside atmosphere through the third air outlet 72 and the first air outlet 123 in turn, and the guide cavity 1451 formed by the guide wall 145 and the heat shield 7 can guide the airflow entering from the second air inlet 143 after gathering. It is quickly discharged through the gap 1452 , the second air outlet 144 and the first air outlet 123 to prevent the airflow from escaping in the cold air cavity 141 , thereby facilitating the heat dissipation of various components, especially the cooling of the housing 11 .

Claims (10)

1. An air fryer that facilitates cooling of the shell, comprising: The body (1) includes an outer casing (11), an upper cover (12) disposed above the outer casing (11), an inner bladder (13) installed in the outer casing (11), and a liner installed in the upper cover (12) In the air guide cover (14), a first interlayer (111) is formed between the outer wall of the inner pot (13) and the inner wall of the outer shell (11), and between the outer wall of the air guide cover (14) and the inner wall of the upper cover (12) A second interlayer (121) is formed, the first interlayer (111) is communicated with the second interlayer (121), and a cooking cavity (131) is formed inside the inner pot (13); The heat shield (7) is installed in the air guide cover (14), and divides the inner space of the air guide cover (14) into a cold air cavity (141) located at the upper part and a hot air cavity (142) located at the lower part; a pot body (2), which can enter and exit the cooking cavity (131); and a heating element (3), installed in the heat shield (7) and capable of feeding high-temperature gas into the cooking cavity (131); It is characterized by: The casing (11) is provided with a first air inlet (112) that communicates with the first interlayer (111) and the outside atmosphere, and the upper cover (12) is provided with a second interlayer (121) that communicates with the outside atmosphere The first air outlet (123) of the air guide cover (14) is provided with a second air inlet (143) and a second air outlet (144) that communicate with the second interlayer (121) and the cold air cavity (141). ; The inner wall of the air guide cover (14) is located at the outer periphery of the second air inlet (143) and is provided with an annular guide wall (145) protruding downward, the guide wall (145) and the heat shield (7). A guide cavity (1451) is formed between the top surfaces, and one side of the guide wall (145) has a gap (1452) communicating with the guide cavity (1451) and the second air outlet (144). 2. air fryer according to claim 1, is characterized in that: also includes having The cooling fan (5) is arranged in the guide cavity (1451), and can suck the outside air into the guide cavity (1451) through the first air inlet (112) and the second air inlet (143) in sequence, and It is discharged through the gap (1452), the second air outlet (144) and the first air outlet (123) in sequence. 3. air fryer according to claim 2, is characterized in that: also includes having A heat circulation fan (6), arranged in the hot air cavity (142) and above the heating element (3); and The motor (4) is arranged in the second interlayer (121) and installed above the air guide cover (14), and its output shaft is drivingly connected to the cooling fan (5) and the heat circulation fan (6) . 4. The air fryer according to claim 1, characterized in that: the heat shield (7) is provided with a third air inlet (71) and a The third air outlet (72). 5. The air fryer according to claim 4, characterized in that: the first air outlet (123) is located on the side wall of the upper cover (12), and the second air outlet (144) Located on the side wall of the air guide cover (14), the third air outlet (72) is located on the side wall of the heat shield (7), the second air outlet (144) and the third air outlet (72) are located on the side wall of the heat shield (7). The three air outlets (72) are arranged toward the first air outlet (123). 6. The air fryer according to claim 5, characterized in that: the edge of the air guide cover (14) located at the second air outlet (144) is bent outward to form a guide pipe (146), the The end of the guide pipe (146) is in contact with the inner wall of the upper cover (12) located at the outer periphery of the first air outlet (123). 7. The air fryer according to claim 5, characterized in that: an edge of the air guide cover (14) located at the second air outlet (144) is bent inwardly and extended to form a sealing portion (147), the sealing portion (147). The end of the portion (147) is in contact with the outer wall of the heat shield (7) located at the outer periphery of the third air outlet (72). 8. The air fryer according to any one of claims 1 to 7, wherein the upper cover (12) is provided with a fourth air inlet that communicates with the second interlayer (121) and the outside atmosphere (122). 9. The air fryer according to claim 8, wherein the first air inlet (112) is located on the bottom wall of the casing (11), and the fourth air inlet (122) is located at the bottom wall of the casing (11). on the top wall of the upper cover (12). 10. The air fryer according to any one of claims 1 to 7, wherein the first air outlet (123) is covered with an air outlet cover (15).

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