CN110652222A

CN110652222A - Air fryer

Info

Publication number: CN110652222A
Application number: CN201910726871.4A
Authority: CN
Inventors: 汪书明; 王强
Original assignee: ZHEJIANG KELAN INDUSTRY AND TRADE Co Ltd
Current assignee: ZHEJIANG KELAN INDUSTRY AND TRADE Co Ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-01-07

Abstract

The invention relates to an air fryer, which comprises an upper shell and a lower shell positioned below the upper shell, wherein a hot air device for generating heat flow is arranged in the upper shell, the hot air device comprises a heating element and a fan, the lower shell is provided with a cavity for accommodating the fryer, the fan drives the heat generated by the heating element to heat food in the fryer, the side wall of the lower shell is connected with a door assembly, the door assembly is connected to the lower shell in a sliding way through a guide rail, at least one positioning element is distributed on the door assembly, correspondingly, a limiting groove is formed on the lower shell, and a limiting element is arranged in the limiting groove; when the door assembly is in sliding connection with the lower shell, the positioning piece is in adaptive clamping connection with the limiting piece; by adopting the structure, the structure is simple and reasonable, the clamping between the door assembly and the machine body is firm through the positioning piece and the limiting piece, the disassembly and the assembly are convenient, the structure is simple, the strength of the air frying pot is enhanced, and the stability and the use safety of the air frying pot are improved.

Description

Air fryer

Technical Field

The invention belongs to the technical field of kitchen appliances, and particularly relates to an air fryer.

Background

Along with the improvement of science and technology development and masses quality of life, people attach more importance to video health, the appearance of the air fryer solves the problem of food health brought to food cooking by using oil for traditional cooking equipment to a certain extent, the air fryer uses a high-speed air circulation technology to enable the cooking effect to reach the effect and the taste of fried food, namely, high-temperature hot air is generated in the fryer body to enable the surface of the food to form a crisp surface layer, the moisture in the food is locked, and the taste of common fried food is reached.

In prior art, the air is fried the pot mostly is drawer type air, and the fried pot subassembly of frying the pot and frying the basket constitution is located the organism, and the organism outside is opened or is closed through the door, and the door subassembly can freely slide in the roll-off organism at the machine operation or end in-process to make things convenient for the customer to use. However, since the door assembly can slide in and out freely, the following situation may occur during the use of the customer: if the machine is placed on the uneven surface or the machine is slightly inclined in the moving process of the machine, the door assembly naturally slides out and falls on the ground, a light person breaks the pot body, the coating or the structure is damaged, the use is affected, and a customer or a child is injured by a heavy person, so that serious accident danger is caused.

In addition, the air fryer is provided with a vent hole on the housing for heat dissipation, so that the air fryer can smoothly suck more cold air from the outside, the vent hole of the drawer-type air fryer is usually arranged on the top of the upper housing, and as the opening of the top is larger, in daily life, larger foreign matters may enter the upper housing from the vent hole, and insects such as cockroaches may enter the inner part of the upper housing along the vent hole, causing the working failure of the air fryer.

The air fryer in the existing market, the power cord is exposed outside the machine, can not be collected, after the product is used up, the power cord can only be placed on the working table of the kitchen, this kind of structure has two disadvantages: firstly, the appearance is affected; secondly, when a plurality of kitchen products were put on the workstation, there was the risk of inserting wrong plug, and the interface connection intensity of power cord is not good enough, inserts the power cord and can lead to the condition that the interface breaks away from because of receiving the pulling force, influences the use and experiences.

In addition, in the process of actually using the air fryer, when a user brings the back of the air fryer close to the wall, the temperature rise of the air fryer and the wall is too high, and the risk of fire is generated.

In view of the above technical problems, it is desirable to improve the same.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the air fryer which can prevent the door assembly from sliding out and has good ventilation effect, so that enough cold air is sucked into the upper shell, meanwhile, the power cord is convenient to store, the built-in power cord and the access power cord are positioned outside the lower shell, and the temperature rise of the power cord can be reduced.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: the air fryer comprises an upper shell and a lower shell positioned below the upper shell, wherein a hot air device for generating heat flow is arranged in the upper shell, the hot air device comprises a heating element and a fan, the lower shell is provided with a cavity for accommodating the fryer, the fan drives the heating element to generate heat so as to heat food in the fryer, the side wall of the lower shell is connected with a door assembly, the door assembly is slidably connected onto the lower shell through a guide rail, at least one positioning piece is distributed on the door assembly, correspondingly, a limiting groove is formed in the lower shell, and a limiting piece is installed in the limiting groove; when the door assembly is in sliding connection with the lower shell, the positioning piece is in adaptive clamping connection with the limiting piece; the upper shell comprises an annular side wall and a top wall, the top wall is provided with a vent hole, a panel is arranged above the top wall, a gap is formed between the panel and the top wall, cold air enters the upper shell through the gap through the vent hole, and the rear end of the annular side wall is provided with an air outlet; an accommodating groove is formed at the bottom of the lower shell, a cable box is assembled in the accommodating groove, and a connecting plate is arranged outside the cable box; the wire box and the connecting plate are enclosed to form an accommodating cavity; a built-in power line is arranged in the accommodating cavity, an access power line connected with the built-in power line is arranged in the accommodating groove of the lower shell, a through hole for the access power line to pass through is formed in the wire box, and the access power line passes through the through hole and the end part of the built-in power line and extends into the accommodating cavity respectively and then is connected with the end part of the built-in power line; the bottom of the wire box is provided with a positioning hole for the penetration of a built-in power line, and the outside of the built-in power line is connected with a plug.

As a preferred scheme of the invention, the connecting plate comprises a positioning plate and partition plates positioned on two sides of the positioning plate; the positioning plate is fixedly connected with the isolation plates on the two sides and is integrally formed.

As a preferable scheme of the invention, the inclination angle of the isolation plate and the positioning plate is alpha, and alpha is more than or equal to 95 degrees and less than 175 degrees.

As a preferred scheme of the invention, a positioning ring is clamped in the positioning hole, and a connecting hole through which a built-in power line passes is formed in the positioning ring; the locating ring is made of plastic materials.

As a preferable scheme of the invention, the bottom of the lower shell is provided with a mounting groove for placing a plug, and the mounting groove is positioned at the bottom of the wire box.

As a preferable scheme of the invention, the outer end of the mounting groove is fixedly provided with a baffle, and the distance between the top of the baffle and the top of the mounting groove is not more than the width of the plug.

As a preferable scheme of the invention, a connecting block is arranged in the wire box, a connecting bulge for clamping a built-in power line is formed in the middle of the connecting block, and the connecting bulge is in arc transition.

As a preferred scheme of the invention, the positioning piece comprises a positioning hook, the end part of the positioning hook is in a downward inclined plane shape, and a spherical body is formed on the inclined plane end part; the locating part comprises a limiting fastener, the limiting fastener upwards forms two side walls, arc notches are formed in the upper end portions of the two side walls to opposite sides, and the arc notches in the two sides are matched and clamped with the spherical bodies of the locating hooks.

As a preferred scheme of the invention, the upper ends of the two side walls of the limiting fastener are outwards inclined corresponding to the inclined planes at the two sides of the end part of the positioning hook; the limiting fastener is provided with a limiting hanging plate, and the limiting hanging plate is connected with the lower shell.

As a preferable scheme of the present invention, an electrical component is disposed in the annular sidewall, and a knob is disposed at a front end of the annular sidewall and electrically connected to the electrical component.

The invention has the beneficial effects that:

1. by adopting the structure, the structure is simple and reasonable, in addition, the door assembly and the machine body are firmly clamped through the positioning piece and the limiting piece, the disassembly and the assembly are convenient, the structure is simple, meanwhile, the strength of the air fryer is enhanced, and the stability and the use safety of the air fryer are improved;

2. according to the invention, the door assembly can slide in and out more smoothly through the adaptive structure of the positioning piece and the limiting piece, so that the hand feeling and the user experience are improved;

3. because the upper shell comprises the annular side wall and the top wall, the top wall is provided with the vent holes, the panel is arranged above the top wall, a gap is formed between the panel and the top wall, and cold air enters the upper shell through the gap through the vent holes, therefore, the cold air enters the upper shell from the side surface, and even if foreign matters fall from the top, the cold air cannot directly enter the upper shell, so that the larger foreign matters are prevented from entering the upper shell to cause working faults;

4. the top wall is provided with a sunken area, the panel is arranged in the sunken area, and through the arrangement mode, an air inlet channel is formed between the outer periphery of the panel and the inner periphery of the sunken area, so that enough cold air can enter the upper shell from the outside;

5. the lower surface of the panel or the upper surface of the top wall is provided with the supporting columns, so that the panel is well supported, and the panel is prevented from being deformed due to compression in the transportation and use processes;

6. the panel is connected with the upper shell in a clamping manner, and when the panel needs to be maintained or cleaned, the panel and the upper shell are easy to disassemble, so that the panel is convenient to maintain or clean;

7. the upper end inclined planes of the two side walls of the air fryer are inclined outwards, and when the spherical body of the positioning hook is inserted into and contacted with the arc-shaped notch of the limiting fastener, the stress area of the spherical body is increased, the spherical body can be conveniently inserted, the installation is convenient, the structure is simple, and the integral strength of the air fryer is also enhanced;

8. the air outlet hole is of an air exhaust window grid structure, so that the heat dissipation of the air fryer is facilitated;

9. the invention is provided with the wire box, the wire box is used for accommodating the built-in power line, the through hole is arranged in the wire box, and the access power line of the air fryer can be pulled out of the accommodating cavity under the action of the through hole, so that the built-in power line can be conveniently connected with the access power line and an external power supply;

10. the wire box is arranged, so that an access power wire can be stored, the access power wire can be retracted into the containing cavity, the access power wire can be conveniently stored and released when the air fryer is not used, the structure is attractive, and the risk of inserting wrong plugs can be avoided when a plurality of kitchen products are placed on the workbench;

11. the access power line is positioned in the wire box through the connecting block, so that the device is convenient, practical and safe;

12. according to the invention, the positioning ring is clamped in the positioning hole and is made of plastic materials, the positioning ring can prevent the access power line from being damaged due to friction between the access power line and the positioning hole in the process of multiple use, so that the use danger is caused, meanwhile, the situation that the interface is separated due to the fact that the access power line is subjected to pulling force can be prevented, and the use experience is improved;

13. the invention is provided with a connecting plate, wherein an isolation plate is in a circular arc transition structure from the inner side to the outer side; the contact distance between the lower shell and the wall is increased, the damage to the wall caused by the fact that hot air directly blows to the wall is effectively avoided, and meanwhile, the damage to fuses and temperature sensing elements in the air fryer caused by the backflow of the hot air is also avoided;

14. the bottom of the lower shell is provided with a mounting groove for placing a plug, the outer end of the mounting groove is fixedly provided with a baffle plate, the plug is convenient to store, and the plug storage box is simple in structure, low in cost and convenient to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a rear view of the present invention;

FIG. 3 is a cross-sectional view A-A of the present invention;

FIG. 4 is a partial enlarged view of the invention in the direction B;

FIG. 5 is a schematic view showing a junction structure of the thread cassette and the lower case of the present invention;

reference numbers in the figures: the upper shell 40, the lower shell 41, the hot air device 42, the heating element 43, the fan 44, the cavity 45, the door assembly 46, the positioning piece 47, the limiting groove 48, the limiting piece 49, the annular side wall 400, the top wall 401, the ventilation hole 402, the panel 403, the air outlet 405, the electrical component 406, the knob 407, the recessed area 408, the supporting column 409, the positioning hook 470, the end portion 47-1, the spherical body 47-2, the limiting fastener 490, the side wall 49-1, the limiting hanging plate 49-2, the arc-shaped notch 49-1A, the accommodating groove 51, the wire box 52, the connecting plate 53, the positioning plate 53-1, the isolating plate 53-2, the built-in power line 54, the access power line 55, the positioning hole 56, the plug 57, the accommodating cavity 58, the through hole 59, the positioning ring 60, the connecting hole 61.

Detailed Description

The following describes embodiments of the present invention in detail with reference to the accompanying drawings.

Example (b): as shown in fig. 1-4, an air fryer with simple assembly comprises an upper shell 40, a lower shell 41 positioned below the upper shell 40, a hot air device 42 for generating heat flow arranged in the upper shell 40, the hot air device 42 comprising a heating element 43 and a fan 44, the lower shell 41 being provided with a cavity 45 for accommodating a fryer, the fan 44 driving the heating element 43 to generate heat to heat food in the fryer, the lower shell 41 being provided with the cavity 45, the fryer being detachably arranged in the cavity 45, the upper shell 40 being provided with the hot air device 42, a control unit, an air duct, a thermal fuse, the control unit and the hot air device 42 arranged above the fryer, the hot air device comprising the heating element 43, the fan 44 and a motor, the heating element 43 comprising a planar spiral electric heating tube, the fan 44 arranged above the planar spiral electric heating tube, the fan 44 comprising an upper blade and a lower blade, go up and be equipped with the cover plate between the blade and the lower blade, cover plate and last casing 40 form the holding chamber, and the control unit sets up the holding intracavity, the control unit includes the main control board, the lower blade is including horizontal part and the portion that hangs down that extends to the cavity direction, horizontal part is 90 with the contained angle of the portion that hangs down, it all is equipped with the through-hole to go up blade and lower blade middle part, and the through-hole of last blade and lower blade is passed to the axle of motor.

The side wall of the lower shell 41 is connected with a door assembly 46, the door assembly 46 is slidably connected to the lower shell 41 through a guide rail, at least one positioning element 47 is arranged on the door assembly 46, correspondingly, a limiting groove 48 is formed on the lower shell 41, and a limiting element 49 is arranged in the limiting groove 48; when the door assembly 46 is slidably connected with the lower shell 41, the positioning element 47 is in adaptive clamping connection with the limiting element 49; by adopting the structure, the structure is simple and reasonable, in addition, the door assembly and the machine body are firmly clamped through the positioning piece and the limiting piece, the disassembly and the assembly are convenient, the structure is simple, meanwhile, the strength of the air fryer is enhanced, and the stability and the use safety of the air fryer are improved; according to the invention, the door assembly can slide in and out more smoothly through the adaptive structure of the positioning piece and the limiting piece, so that the hand feeling and the user experience are improved;

the upper shell 40 comprises an annular side wall 400 and a top wall 401, wherein a vent hole 402 is formed in the top wall 401, a panel 403 is arranged above the top wall, a gap is formed between the panel 403 and the top wall 401, cold air enters the upper shell 40 through the gap via the vent hole, and an air outlet 405 is formed in the rear end of the annular side wall 400; the ventilation hole 402 is annularly arranged at the joint of the top wall 401 and the panel 403, so that cold air enters the upper shell from the side, and the cold air cannot directly enter the upper shell even if foreign matters fall down from the upper part, so that the situation that the larger foreign matters enter the upper shell to cause work failure is avoided.

An electrical element 406 is arranged in the annular side wall 400, a knob 407 is arranged at the front end of the annular side wall 400, the knob 407 is electrically connected with the electrical element 406, one end of the knob 407 is connected with the electrical element 406, and cold air coming from the outside takes away heat of the electrical element from the vent hole, so that the temperature of the electrical element is reduced, and heat dissipation is effectively performed; the user sets the cooking time and the cooking temperature through the knob 407, and the main control board controls the rotation of the control motor according to the user setting, thereby driving the fan to rotate and simultaneously controlling the operation of the heating element 43, and when the lower blade 44 rotates, the heat generated by the heating element 41 is introduced into the fryer to heat the food in the fryer. When the upper blade 45 rotates, external cold air is sucked into the upper housing 1. The air inlet direction is as shown in the figure B, the upper blade 44 adopts a centrifugal fan, when the motor rotates, the motor drives the upper blade 44 to rotate, so that air is blown to the side wall of the upper shell, negative pressure is formed at the center of the upper blade 44, and external cold air is sucked into the upper shell from the air vent after passing through the air inlet gap between the upper convex rib and the lower convex rib. The sucked cool air dissipates heat of the components in the upper case, and is blown again to the upper case side wall by the upper blade 44. The bottom of the upper shell 1 is provided with a through hole, a channel for air flow to pass through is arranged between the fryer 7 and the shell, when the fryer 7 is placed in the cavity 3, the air discharged from the through hole of the upper shell 1 flows through the channel to enter the bottom of the shell, and then is discharged from the air outlet 17 at the rear side of the shell through the channel at the bottom of the shell. Therefore, heat is effectively discharged, and the damage of components in the upper shell caused by the heat accumulation of the upper shell is prevented.

The positioning member 47 comprises a positioning hook 470, wherein the end 47-1 of the positioning hook 470 is in a downward inclined plane shape, and a spherical body 47-2 is formed on the inclined plane end; the limiting piece 49 comprises a limiting fastener 490, the limiting fastener 490 forms two side walls 49-1 upwards, the upper end parts of the two side walls 49-1 form arc notches 49-1A towards opposite sides, and the arc notches 49-1A at the two sides are matched with and clamped with the spherical body 47-2 of the positioning hook 470; the upper ends of the two side walls 49-1 of the limit fastener 490 are outward inclined corresponding to the inclined planes at the two sides of the end part of the positioning hook 470; the limiting fastener 490 is provided with a limiting hanging plate 49-2, and the limiting hanging plate 49-2 is connected with the lower shell 41; the upper end inclined planes of the two side walls of the air fryer are inclined outwards, and when the spherical body of the positioning hook is inserted into and contacted with the arc-shaped notch of the limiting fastener, the stress area of the spherical body is increased, the spherical body can be conveniently inserted, the installation is convenient, the structure is simple, and the integral strength of the air fryer is also enhanced.

The top wall 401 is provided with a recessed area 408, and the panel 403 is arranged in the recessed area 408; the roof is equipped with the depressed area, and the panel setting is in the depressed area, through this kind of mode of setting for form inlet air channel between the panel periphery and the interior week of depressed area, guarantee sufficient cold wind gets into the upper housing from the external world.

A supporting column 409 is arranged on the lower surface of the panel 403 or the upper surface of the top wall 401; thereby the panel is well supported, and the panel is prevented from being deformed due to compression in the transportation and use processes.

The panel 403 is connected with the upper shell 40 in a clamping manner, and when the panel needs to be maintained or cleaned, the panel and the upper shell are easy to detach, so that the maintenance or cleaning is convenient; the air outlet 405 is an air exhaust window grid structure, which is beneficial to the heat dissipation of the air fryer.

As shown in fig. 5, a receiving groove 51 is formed at the bottom of the lower housing 41, a cable box 52 is assembled in the receiving groove 51, and a connecting plate 53 is installed outside the cable box 52; the wire box 52 and the connecting plate 53 enclose to form an accommodating cavity 58; a built-in power line 54 is arranged in the accommodating cavity 58, an access power line 55 connected with the built-in power line 54 is arranged in the accommodating groove 51 of the lower shell 41, a through hole 59 for the access power line 55 to pass through is arranged in the wire box 52, and the access power line 55 passes through the through hole 59 and the end part of the built-in power line 54 respectively extends into the accommodating cavity 58 and then is connected with each other; a positioning hole 56 for the built-in power cord 54 to pass through is formed at the bottom of the wire box 52, and a plug 57 is connected to the outside of the built-in power cord 54; the invention is provided with the wire box, the wire box is used for accommodating the built-in power line, the through hole is arranged in the wire box, and the access power line of the air fryer can be pulled out of the accommodating cavity through the action of the through hole, so that the built-in power line can be conveniently connected with the access power line and an external power supply.

The built-in power line and the access power line are positioned outside the lower shell, so that the temperature rise of the power line can be reduced, and the winding function is increased.

The connecting plate 53 comprises a positioning plate 53-1 and partition plates 53-2 positioned at both sides of the positioning plate 53-1; the positioning plate 53-1 is fixedly connected with the isolation plates 53-2 at the two sides and integrally formed; the structural strength and the integral firmness of the connecting plate 53 are improved, and the use safety is ensured.

The isolation plate 53-2 is in a circular arc transition structure from the inner side to the outer side; the contact distance between the lower shell and the wall is increased, the damage to the wall caused by the fact that hot air directly blows to the wall is effectively avoided, and meanwhile, the damage to fuses and temperature sensing elements in the air fryer caused by the backflow of the hot air is also avoided.

The length of the positioning plate 53-1 is 2-3 times of the length of the isolation plate 53-2, in the embodiment, the length of the positioning plate 53-1 is 2 times of the length of the isolation plate 53-2, the inclination angle of the isolation plate 53-2 and the positioning plate 53-1 is alpha, and alpha is more than or equal to 95 degrees and less than 175 degrees; in this embodiment, α is 135 °, the angle of inclination of the partition plate 53-2 is too large, and the length of the partition plate 53-2 extending therefrom is relatively short, which is not effective for preventing hot air from directly blowing to the wall. The angle of inclination of the partition plate 53-2 is too small and the length of the partition plate 53-2 extending is relatively long, which may affect the storage of the air fryer and also may be aesthetically unpleasing.

A positioning ring 60 is clamped in the positioning hole 56, and a connecting hole 61 through which the built-in power line 54 passes is formed in the positioning ring 60; the positioning ring 60 is made of plastic; according to the invention, the positioning ring is clamped in the positioning hole and is made of plastic materials, the positioning ring can be arranged to prevent the access power line from being damaged due to friction between the access power line and the positioning hole in the process of multiple use, so that use danger is caused, meanwhile, the situation that the interface is separated due to the fact that the access power line is subjected to pulling force can be prevented, and the use experience is improved.

The bottom of the lower shell 41 is provided with a mounting groove 62 for placing the plug 57, and the mounting groove 62 is positioned at the bottom of the wire box 52; a baffle 63 is fixedly arranged at the outer end of the mounting groove 62, and the distance between the top of the baffle 63 and the top of the mounting groove 62 is not more than the width of the plug 57; the plug is convenient to store, simple in structure, low in cost and convenient to use.

A connecting block 64 is arranged in the wire box 52, a connecting bulge 65 for clamping the built-in power line 54 is formed in the middle of the connecting block 64, and the connecting bulge 65 is in arc transition; the wire box is arranged, so that an access power wire can be stored, the access power wire can be retracted into the containing cavity, the access power wire can be conveniently stored and released when the air fryer is not used, the structure is attractive, and the risk of inserting wrong plugs can be avoided when a plurality of kitchen products are placed on the workbench.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the reference numerals in the figures are used more here: upper housing 40, lower housing 41, hot air device 42, heating element 43, fan 44, cavity 45, door assembly 46, positioning member 47, limiting groove 48, limiting member 49, annular side wall 400, top wall 401, vent 402, panel 403, air outlet 405, electrical component 406, knob 407, recessed area 408, support column 409, positioning hook 470, end portion 47-1, spheroid 47-2, limiting fastener 490, side wall 49-1, limiting hanging plate 49-2, arcuate recess 49-1A, receiving groove 51, wire box 52, connecting plate 53, positioning plate 53-1, separating plate 53-2, built-in power line 54, access power line 55, positioning hole 56, plug 57, receiving cavity 58, through hole 59, positioning ring 60, connecting hole 61, mounting groove 62, baffle 63, connecting block 64, connecting protrusion 65, and the like terms, but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. Air fryer, its characterized in that: the fryer comprises an upper shell (40) and a lower shell (41) positioned below the upper shell (40), wherein a hot air device (42) generating heat flow is arranged in the upper shell (40), the hot air device (42) comprises a heating element (43) and a fan (44), the lower shell (41) is provided with a cavity (45) accommodating a fryer, the fan (44) drives the heating element (43) to generate heat so as to heat food in the fryer, the side wall of the lower shell (41) is connected with a door assembly (46), the door assembly (46) is slidably connected onto the lower shell (41) through a guide rail, at least one positioning part (47) is distributed on the door assembly (46), correspondingly, a limiting groove (48) is formed on the lower shell (41), and a limiting part (49) is installed in the limiting groove (48); when the door assembly (46) is in sliding connection with the lower shell (41), the positioning piece (47) is in adaptive clamping connection with the limiting piece (49); the upper shell (40) comprises an annular side wall (400) and a top wall (401), a vent hole (402) is formed in the top wall (401), a panel (403) is arranged above the top wall, a gap is formed between the panel (403) and the top wall (401), cold air enters the upper shell (40) through the vent hole through the gap, and an air outlet hole (405) is formed in the rear end of the annular side wall (400); an accommodating groove (51) is formed at the bottom of the lower shell (41), a wire box (52) is assembled in the accommodating groove (51), and a connecting plate (53) is installed outside the wire box (52); the wire box (52) and the connecting plate (53) are enclosed to form an accommodating cavity (58); a built-in power line (54) is arranged in the accommodating cavity (58), an access power line (55) connected with the built-in power line (54) is arranged in the accommodating groove (51) of the lower shell (41), a through hole (59) for the access power line (55) to pass through is formed in the wire box (52), and the access power line (55) passes through the through hole (59) and the end part of the built-in power line (54) respectively extends into the accommodating cavity (58) and then is connected with the end part of the built-in power line (54); the bottom of the wire box (52) is provided with a positioning hole (56) for the built-in power line (54) to pass through, and the outside of the built-in power line (54) is connected with a plug (57).

2. An air fryer according to claim 1, wherein: the connecting plate (53) comprises a positioning plate (53-1) and partition plates (53-2) positioned on two sides of the positioning plate (53-1); the positioning plate (53-1) is fixedly connected with the isolation plates (53-2) at the two sides and is integrally formed.

3. An air fryer according to claim 2, wherein: the inclination angle of the isolation plate (53-2) and the positioning plate (53-1) is alpha, and alpha is more than or equal to 95 degrees and less than 175 degrees.

4. An air fryer according to claim 1, wherein: a positioning ring (60) is clamped in the positioning hole (56), and a connecting hole (61) through which the built-in power line (54) passes is formed in the positioning ring (60); the positioning ring (60) is made of plastic materials.

5. An air fryer according to claim 1, wherein: the bottom of the lower shell (41) is provided with a mounting groove (62) for placing a plug (57), and the mounting groove (62) is positioned at the bottom of the wire box (52).

6. An air fryer according to claim 5, wherein: the outer end of the mounting groove (62) is fixedly provided with a baffle (63), and the distance between the top of the baffle (63) and the top of the mounting groove (62) is not more than the width of the plug (57).

7. An air fryer according to claim 5, wherein: the wire box (52) is internally provided with a connecting block (64), a connecting bulge (65) used for clamping the built-in power line (54) is formed in the middle of the connecting block (64), and the connecting bulge (65) is in circular arc transition.

8. An air fryer according to claim 1, wherein: the positioning piece (47) comprises a positioning hook (470), the end part (47-1) of the positioning hook (470) is in a downward inclined plane shape, and a spherical body (47-2) is formed above the inclined plane end part; the limiting part (49) comprises a limiting fastener (490), the limiting fastener (490) upwards forms two side walls (49-1), the upper end parts of the two side walls (49-1) oppositely form arc-shaped notches (49-1A), and the arc-shaped notches (49-1A) on the two sides are matched with and clamped with the spherical body (47-2) of the positioning hook (470).

9. An air fryer according to claim 8, wherein: the upper ends of two side walls (49-1) of the limit fastener (490) are outwards inclined corresponding to the inclined planes at two sides of the end part of the positioning hook (470); the limiting fastener (490) is provided with a limiting hanging plate (49-2), and the limiting hanging plate (49-2) is connected with the lower shell (41).

10. An air fryer according to claim 1, wherein: an electrical element (406) is arranged in the annular side wall (400), a knob (407) is arranged at the front end of the annular side wall (400), and the knob (407) is electrically connected with the electrical element (406).