CN216166964U - Cooling structure of air fryer - Google Patents

Abstract

The utility model relates to the technical field of kitchen utensils, and particularly discloses a cooling structure of an air fryer, which comprises a cold air channel and a clamping channel, wherein the cold air channel is formed between an inner shell and an outer shell, the clamping channel is positioned between two containing cavities, and the cold air channel is communicated with the clamping channel; the air inlet has been seted up on the shell, be provided with cold wind circulation structure on the interior casing, the intercommunication is provided with main air-out runner between cold wind circulation structure and the shell, is located two interior casings that hold between the chamber and has seted up the cold wind export, the last wind-guiding mouth that is provided with of cold wind circulation structure, be provided with the wind-guiding passageway between wind-guiding mouth and the cold wind export, through the setting of cold wind passageway, will follow the cold wind that the wind-guiding mouth seen off and guide and concentrate, guide cold wind's moving direction, the air is more difficult to detain in inside, and then has improved the cooling effect, has avoided the high temperature dead angle, has avoided the interior part of machine to receive high temperature influence impaired to the life of equipment has been prolonged.

Description

Cooling structure of air fryer

Technical Field

The utility model relates to the technical field of kitchen utensils, in particular to a cooling structure of an air fryer.

Background

The air fryer is a novel household appliance for frying food by utilizing high speed and high temperature air circulation technology, the food made by the air fryer can reduce 80% of grease compared with the traditional electric fryer, the air fryer is easy to clean in daily use, and is safe and economical, and is favored by people, in particular to an air fryer with two pot bodies, which comprises a shell and an inner shell, two containing cavities for containing the two pot bodies are formed on the inner shell, a hot air fan and a heating wire are arranged above the inner shell positioned on the pot bodies, the hot air fan forms forced convection of air in the pot bodies to pass through the heating wire, the heating wire heats the air and then has the effect of the hot air fan to flow downwards, the air flows to be used as food material for cooking, but the position of a clamping passage between the two containing cavities of the existing double-pot body air fryer does not flow air, and is a high temperature dead angle, and deformation can be generated when a machine works for a long time, Sol, etc. are abnormal.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cooling structure of an air fryer, which has a good cooling effect.

In order to solve the technical problem, the present application provides the following technical solutions:

a cooling structure of an air fryer comprises a cold air channel formed between an inner shell and an outer shell and a clamping channel formed between two containing cavities and the inner shell, wherein the cold air channel is communicated with the clamping channel; the air conditioner comprises an outer shell, and is characterized in that an air inlet is formed in the outer shell, a cold air circulation structure and an air inlet device for driving air to flow are arranged on the inner shell, a main air outlet flow channel is arranged between the cold air circulation structure and the outer shell in a communicated mode, a cold air outlet is formed in the inner shell located between the two cavities, an air guide opening is formed in the cold air circulation structure, and an air guide channel is communicated between the air guide opening and the cold air outlet.

The working process is as follows: the air of interior casing top receives cold wind circulation structure's attraction, get into in the cold wind circulation structure, most air outwards sees out towards main air-out runner under cold wind circulation structure's effect, partial air sees out from the wind-guiding mouth, follow the wind-guiding passageway and follow the downthehole downstream in the cold wind outlet, get into in the double-layered way, make the air in the double-layered way flow, the air that flows continues the downstream, and disperse to both sides after contacting the shell bottom, the cold wind passageway along both sides respectively flows through the surface of whole interior casing, when flowing through interior casing bottom, mix with the inspiratory cold wind of air intake on the shell, the interior casing top that flows together afterwards, and receive cold wind circulation structure's attraction once more and carry out new circulation.

Has the advantages that: through the setting of cold wind passageway, will follow the cold wind that the wind-guiding mouth sees off and guide and concentrate, the moving direction to cold wind has guided, the air is more difficult to be detained in inside, avoid the air to absorb the heat repeatedly and produce the higher possibility of local temperature, and then improved the cooling effect, the speed that cold wind flows has been increased simultaneously in order to increase the speed of inner loop, make the air can take away more heats, the cooling effect has further been improved, high temperature dead angle has been avoided, it is impaired that the part receives the high temperature influence in the machine, thereby the life of equipment has been prolonged.

The cold air circulation structure comprises two housings which are respectively and correspondingly arranged at the tops of the two cavities, the top of each housing is provided with an air inlet, each air inlet device is a centrifugal fan, the two housings are internally and rotatably connected with the centrifugal fans, the tops of the housings are connected with motors, and output shafts of the motors are coaxially connected with the centrifugal fans.

Has the advantages that: centrifugal fan passes through the drive of motor and rotates, the air at interior casing top will follow air inlet department under centrifugal fan's effect and get into in the housing, and see off from wind-guiding mouth or main air-out runner, the circulation of cold wind in the product inside can be further accelerated through centrifugal fan's setting, accelerate the flow of inside air, cold wind's transport is more stable, thereby further strengthen the cooling effect, centrifugal fan's size is less simultaneously, under the condition of having guaranteed cold wind transport effect, required installation space is littleer, thereby reduce the whole size of product.

The opening of the air guide opening faces to the direction tangent to the rotation direction of the centrifugal fan.

Has the advantages that: through the setting of this structure for by the outside transport of tangential direction of the cold wind of centrifugal fan output, reduced the ascending blockking of cold wind moving direction, can export with the fastest speed, thereby guaranteed the flow velocity of cold wind, with the inside cooling effect of further having strengthened.

At least one cold air port is formed in the inner shell between the two cavities.

Has the advantages that: through the setting of cold wind gap, after cold wind is seen off from the cold wind exit through the wind-guiding passageway, partly cold wind will flow towards two chambeies bottoms along the cold wind passageway, and another part is then still in the double-layered way, and move towards the double-layered way rear, and flow the top of interior casing through the cold wind gap with the inspiratory cold wind of wind inlet department mixture, thereby also formed the circulation that a cold wind flows in the double-layered way, through the setting of this structure, make cold wind can fully flow through every corner in the double-layered way, the cooling dead angle has been reduced, make that the double-layered way department can obtain splendid cooling effect, and, in the aspect of the design, the wind-guiding passageway can be designed the bore littleer, in order to reach faster transport speed, accelerate the air flow of inside, in order to reach better cooling effect.

The plurality of cold air ports are sequentially arranged on the back side, close to the shell, of the air guide port, and baffles are arranged between the air guide port and the cold air ports.

Has the advantages that: through the setting of baffle for the cold wind that sees off in the follow cold wind outlet will be under the guide of baffle earlier the downstream disperse for double-layered way circulation and cold wind channel circulation two strands, avoid cold wind not remove just to the bottom and pass the possibility that the cold wind gap got into interior casing top, guaranteed the cold wind volume that gets into cold wind channel circulation, in order to reach even cooling, avoid local high temperature's possibility.

The air guide channel is detachably connected to the inner shell.

Has the advantages that: the mode of connection on interior casing can be dismantled to the wind-guiding passageway for the processing of product is more convenient, and the maintenance of the product of being convenient for reduces the maintenance cost.

The air guide channel and the housing are integrally formed.

Has the advantages that: through integrated into one piece's mode, effectively improved the airtight effect of wind-guiding passageway, reduced the possibility that cold wind runs off in passing through the wind-guiding passageway to guarantee the conveying speed of cold wind, with the speed and the effect that have improved the inner loop.

The two air guide channels are not communicated with each other, and the two housings are respectively in butt joint with the cold air outlet through the two air guide channels.

Has the advantages that: through the mode that two enclosers and two wind-guiding passageways are connected alone, the separation has twice cold wind transportation process, has avoided the twice to carry the direct collision between the cold wind, perhaps two centrifugal fan conveying capacity are different for there is strong and weak difference between the twice cold wind, causes the influence to the speed of final output cold wind, has reduced cold wind moving loss, with the output speed when having guaranteed cold wind output, has accelerated inside circulation.

And a flow distribution plate is arranged at the bottom of the shell.

Has the advantages that: the cold wind contacts the flow distribution plate when moving downwards, and the cold wind flows into two strands with the wind under the action of the flow distribution plate, flows along the bottoms of the two cavities respectively, and is divided into two strands through the arrangement of the flow distribution plate, so that both sides of the cold wind can be well cooled.

The two cavities are divided into a large cavity and a small cavity, and the distance between the flow distribution plate and the outer wall of the large cavity is not less than the distance between the flow distribution plate and the outer wall of the small cavity.

Has the advantages that: after cold air contacts the flow distribution plate arranged at the bottom, most of cold air moves towards the bottom of the accommodating cavity provided with the large pot body, and the bottom area of the large pot body is larger, so that the requirement for cooling is larger than that of the small pot body, and reasonable distribution is carried out on the cold air through the structure, so that reasonable cooling of two pot bodies can be effectively ensured, and the service life of a product is prolonged.

Drawings

FIG. 1 is a first cross-sectional view of an air fryer;

FIG. 2 is a perspective view of FIG. 1;

FIG. 3 is a second cross-sectional view of the air fryer;

FIG. 4 is a perspective view of FIG. 3;

FIG. 5 is an enlarged partial schematic view of FIG. 2;

fig. 6 is a schematic structural view of the bottom surface of the integrated upper movement;

FIG. 7 is a schematic structural view of the integrated upper core after the wind guide cover is installed;

figure 8 is a schematic view of the top side of the integrated upper deck;

fig. 9 is a schematic structural view of an integrated lower movement;

FIG. 10 is an enlarged view of a portion of the integrated upper core after the air guide channel is removed;

fig. 11 is a partially enlarged schematic view of the integrated upper core after the air guide channel is installed.

Detailed Description

The following is further detailed by way of specific embodiments:

the reference numbers in the drawings of the specification include: the air-conditioning fan comprises a shell 1, an integrated upper machine core 2, an integrated lower machine core 3, a first cavity 4, a second cavity 5, an air duct plate 6, a hot air fan 7, a heating wire 8, a cold air channel 9, a clamping channel 10, an air inlet 11, a housing 12, an air inlet 13, a main air outlet channel 14, a centrifugal fan 15, a motor 16, a cold air outlet 17, an air guide opening 18, an air guide channel 19, a cold air inlet 20, a baffle 21, a flow distribution plate 22, an air guide cover 23 and an air groove 24.

Example 1:

as shown in fig. 1-9, an air fryer comprises a shell 1 and an inner shell, a support seat is arranged at the bottom of the shell, an insertion rod inserted in the support seat is arranged at the bottom of the inner shell, the inner shell is composed of an integrated upper machine core 2 and an integrated lower machine core 3, the integrated upper machine core 2 is arranged on the integrated lower machine core 3, a first cavity 4 and a second cavity 5 are arranged on the integrated lower machine core 3 and used for horizontally placing a first pot body and a second pot body respectively, as shown in fig. 2, in the utility model, the first pot body is larger than the second pot body, an air duct plate 6 is embedded in the inner wall of the integrated upper machine core 2, hot air fans 7 are respectively arranged below the air duct plate 6 and above the first pot body and the second pot body, heating wires 8 are arranged below the hot air fans 7, the heating wires 8 are spiral electric heating tubes in the utility model, and are the prior art, no further description is given here, a cooling structure is arranged at the top of the inner shell, the cooling structure comprises a cold air channel 9 formed between the inner shell and the outer shell 1 and a channel 10 formed between the two cavities and the inner shell, and the cold air channel 9 is communicated with the channel 10; an air inlet 11 is formed in the shell 1, the air inlet 11 is divided into two parts, one part of the air inlet is arranged at the position, close to the bottom, of the rear side of the shell 1, a plurality of air inlets are uniformly distributed and arranged, the other part of the air inlet is arranged at the top of the shell in a rectangular ring shape in an end-to-end manner, a cold air circulating structure and an air inlet device for driving air to move are arranged in the shell, the cold air circulating structure comprises two shells 12, the integrated upper movement 2 protrudes upwards to form a convex part, the convex part is hollow to form the shells 12, an air inlet 13 is arranged at the top of the shells 12, a main air outlet channel 14 is communicated between the shells 12 and the back of the shell 1, the cold air channel, the shells, an air guide port, an air guide channel and a clamping channel are sequentially communicated to form cold air circulation, the air inlet is used for supplementing cold air into the cold air circulation, and the main air outlet channel is used for discharging most of hot air out of the air fryer, in order to carry out the air that cold wind circulates and update, all be provided with centrifugal fan 15 in two housing 12, as shown in fig. 2, in this embodiment, two housing 12 tops are provided with one respectively and are used for the drive centrifugal fan 15 pivoted motor 16, and motor 16 passes through the support to be fixed at 2 tops of core on the integral type, and motor 16's motor pole top-down coaxially wears to be equipped with centrifugal fan 15 and hot-blast fan 7 respectively, and centrifugal fan 15 sets up in housing 12 at wind channel board 6 top, offers the through-hole that is used for the motor pole to pass on the wind channel board, and hot-blast fan 7 sets up the bottom at wind channel board 6, centrifugal fan is centrifugal impeller, and hot-blast fan can be centrifugal impeller or fan blade and be prior art, and the repeated description is omitted here.

A cold air outlet 17 is formed in the inner shell between the two cavities, an air guide opening 18 is formed in the side wall of the housing, the opening direction of the air guide opening 18 is tangent to the rotation direction of the centrifugal fan 15, an air guide channel 19 is arranged between the air guide opening 18 and the cold air outlet 17, the air guide channel 19 has two installation modes, one mode is detachably connected to the inner shell and spliced with the upper surface of the integrated upper core 2 to form a channel with two communicated ends, the other mode is integrally formed between the air guide channel 19 and the housing 12, and the integrated upper core 2 and the air duct plate 6 are spliced to form a channel communicated with the air guide opening and the cold air outlet.

The inner shell between the two cavities is provided with a cold air inlet 20 which is communicated from top to bottom, the cold air inlet 20 is positioned at a cold air outlet 17 and is sequentially provided with 2 air grooves 24 which are positioned on the left side of an air guide channel from bottom to top, the integrated upper core is provided with an air guide cover 23 between the integrated upper core and the integrated lower core, the air guide cover 23 is fixedly connected to the bottom of the air groove 24 to form an air cavity, two ends of the air guide cover 23 are screwed with the integrated upper core, the cold air inlet 20 is formed by the top and bottom air guide cover bodies of the air cavity in a penetrating manner, the air guide cover 23 is further provided with an air passage corresponding to the cold air outlet 17, and two baffles are arranged in the clamping channel and are respectively positioned between the cold air outlet 17 and the cold air inlet 20 and between the two cold air inlets 20.

Two air guide channels 19 are arranged, the two air guide channels 19 are not communicated with each other, and the two housings 12 are respectively in butt joint with a cold air outlet through the two air guide channels 19.

As shown in fig. 2, in the utility model, the flow distribution plate 22 is vertically and fixedly connected to the bottom of the shell, and the flow distribution plate is arranged at a position close to the right relative to the clamping channel and is more close to a smaller second pot body on the right side, so that after cold air is distributed by the flow distribution plate, most of the cold air moves along the bottom of a larger first pot body.

Example 2:

as shown in fig. 10 to 11, compared with embodiment 1, the difference is that the air guiding opening extends outward to form an air guiding sheet, the air guiding channel 19 is detachably connected to the inner casing through a screw, the air guiding sheet is inserted and attached to the inner surface of the air guiding channel 19, and is spliced with the upper surface of the integrated upper movement 2 to form a channel with two communicated ends.

The specific operation flow is as follows:

after the power supply is turned on, the motor 16 drives the hot air fan 7 and the centrifugal fan 15 which are connected to the shaft of the motor 16 to rotate simultaneously, air in the pot body forms forced convection through the heating wire 8 by the rotation of the hot air fan 7, the air is heated by the heating wire 8 and then flows downwards under the action of the hot air fan 7 to act on food materials for cooking, the rotation of the centrifugal fan 15 drives air above the inner shell to be mixed with cold air sucked by the air inlet 11 positioned at the top of the outer shell 1 and enter the outer shell 12, most of the air is sent out towards the main air outlet flow channel 14 arranged at the back under the action of the centrifugal fan 15, the main air outlet flow channel 14 is arranged at the back of the air fryer, the situation that the heated air flow scalds a user is avoided, part of the air is sent out from the air guide opening 18, the air guide channel 19 moves downwards from the air guide opening 17 along with the cold air and enters the clamping channel 10 is avoided, the air in the channel 10 flows, the air is divided into two parts, one part of the flowing air continuously moves downwards, and contacts with the splitter plate to disperse towards two sides after contacting with the bottom of the shell 1, the air respectively flows through the outer surface of the whole inner shell along the cold air channels 9 at two sides, when the air flows through the bottom of the inner shell, the air is mixed with cold air sucked by the air inlet 11 at the bottom of the shell 1, then the air flows to the upper part of the inner shell together and is sucked by the cold air circulating structure again to carry out new circulation, the other part of the flowing air flows to the rear part of the channel 10, and the air is mixed with the cold air sucked by the air inlet 11 at the bottom of the shell 1 and flows to the upper part of the inner shell through the cold air inlet 20, thereby a cold air flowing circulation is formed in the channel 10, the cooling work of the bottom of the pot body is completed by two internal circulations together, and the two internal circulations simultaneously pass through the channel part, the cooling effect on the cooling dead angle of the clamping channel can be better.

The above are only examples of the present invention, and the present invention is not limited to the field related to this embodiment, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art can know the general technical knowledge of the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own abilities to complete and implement the scheme, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (10)

1. A cooling structure of an air fryer comprises a cold air channel formed between an inner shell and an outer shell and a clamping channel formed between two containing cavities and the inner shell, wherein the cold air channel is communicated with the clamping channel; the method is characterized in that: the air conditioner comprises an outer shell, and is characterized in that an air inlet is formed in the outer shell, a cold air circulation structure and an air inlet device for driving air to flow are arranged on the inner shell, a main air outlet flow channel is arranged between the cold air circulation structure and the outer shell in a communicated mode, a cold air outlet is formed in the inner shell located between the two cavities, an air guide opening is formed in the cold air circulation structure, and an air guide channel is communicated between the air guide opening and the cold air outlet.

2. The cooling structure of an air fryer according to claim 1, wherein: the cold air circulation structure comprises two housings which are respectively and correspondingly arranged at the tops of the two cavities, the top of each housing is provided with an air inlet, each air inlet device is a centrifugal fan, the two housings are internally and rotatably connected with the centrifugal fans, the tops of the housings are connected with motors, and output shafts of the motors are coaxially connected with the centrifugal fans.

3. The cooling structure of an air fryer according to claim 2, wherein: the opening of the air guide opening faces to the direction tangent to the rotation direction of the centrifugal fan.

4. The cooling structure of an air fryer according to claim 1, wherein: at least one cold air port is formed in the inner shell between the two cavities.

5. The cooling structure of an air fryer according to claim 4, wherein: the plurality of cold air ports are sequentially arranged on the back side, close to the shell, of the air guide port, and baffles are arranged between the air guide port and the cold air ports.

6. The cooling structure of an air fryer according to claim 1, wherein: the air guide channel is detachably connected to the inner shell.

7. The cooling structure of an air fryer according to claim 1, wherein: the air guide channel and the housing are integrally formed.

8. The cooling structure of an air fryer according to claim 5, wherein: the two air guide channels are not communicated with each other, and the two housings are respectively in butt joint with the cold air outlet through the two air guide channels.

9. The cooling structure of an air fryer according to claim 1, wherein: and a flow distribution plate is arranged at the bottom of the shell.

10. The cooling structure of an air fryer according to claim 9, wherein: the two cavities are divided into a large cavity and a small cavity, and the distance between the flow distribution plate and the outer wall of the large cavity is not less than the distance between the flow distribution plate and the outer wall of the small cavity.

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