CN220937759U - Air fryer - Google Patents

Abstract

The utility model relates to the technical field of kitchen appliances and discloses an air fryer, which comprises a machine body and a reflecting cover arranged in the machine body, wherein the reflecting cover divides the machine body into a cooking cavity below and a heat dissipation cavity above, a heating fan and a heating pipe are arranged in the cooking cavity, a motor for driving the heating fan is arranged in the heat dissipation cavity, the air fryer further comprises a metal heat-insulating cover, a supporting rib is arranged between the metal heat-insulating cover and the reflecting cover, and the metal heat-insulating cover is supported above the reflecting cover through the supporting rib so as to form an air isolation layer between the metal heat-insulating cover and the reflecting cover. Compared with the traditional heat shield made of glass fiber or plastic and other materials, the metal heat shield has low production and processing cost, the air isolation layer can reduce heat transfer of the reflecting shield into the heat dissipation cavity, improve temperature rise of the heat dissipation cavity, reduce heat loss in the cooking cavity, improve cooking efficiency and promote cooking taste.

Description

Air fryer

Technical Field

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

Background

The air fryer is an electric appliance for baking food by utilizing high-temperature air, generally comprises a shell and a heating cavity arranged in the shell, wherein a heat dissipation cavity is arranged above the heating cavity, the heating cavity and the heat dissipation cavity are separated by a reflecting cover, a hot air component is arranged below the reflecting cover and comprises a hot fan and a heating pipe, a driving motor and a cooling fan are arranged in the heat dissipation cavity, a motor shaft of the driving motor is connected with the cooling fan and the hot air fan, the driving motor drives the hot fan to rotate to blow hot air to food, the driving motor drives the cooling fan to rotate to cool the heat dissipation cavity, and electronic devices in the heat dissipation cavity are prevented from being damaged by high temperature.

Because the heat of heating chamber can cause the influence to the heat dissipation chamber, lead to the heat dissipation intracavity temperature higher, motor radiating effect is not good, in order to further improve motor heat dissipation, the inventor has disclosed an air fryer in the patent of the application number 202211547756.9 of earlier application, through being provided with the heat exchanger in the top of reflecting cover, heat exchanger and reflecting cover shape looks adaptation play certain thermal-insulated effect, still further, the heat dissipation intracavity still is provided with the separator, the separator separates the heat insulation chamber in the heat dissipation chamber, the heat insulation chamber has the vent with external intercommunication, carry out dual district through heat dissipation chamber and heat insulation chamber between driving motor's main part and the heating chamber.

However, because the heat shield of current scheme laminating is in the top of reflecting cover, and adopts high temperature resistant plastic part or fine heat insulating mattress of glass generally as the material, these two kinds of material cost are high, and the heat shield laminating causes the heat of reflecting cover directly upwards to transmit in the top of reflecting cover moreover, and the heat dissipation intracavity temperature is higher, moreover, is limited to the material selection of heat shield, and the fuse link of air fryer need assemble fixedly through establishing an independent support in addition and corresponding double-screw bolt and nut, and the installation is complicated, and assembly efficiency is low, increases assembly cost.

Disclosure of utility model

The utility model provides an air fryer, which solves the problem of temperature rise of a heat dissipation cavity caused by direct heat transfer of a reflecting cover to the heat dissipation cavity in the prior art on the basis of reducing cost by improving a heat insulation structure above the reflecting cover, and prolongs the service life of electronic devices in the heat dissipation cavity.

The technical scheme adopted by the utility model is as follows:

The utility model provides an air fryer, which comprises a machine body and a reflecting cover arranged in the machine body, wherein the reflecting cover divides the machine body into a cooking cavity below and a heat dissipation cavity above, a thermal fan and a heating pipe are arranged in the cooking cavity, a motor for driving the thermal fan is arranged in the heat dissipation cavity, the air fryer further comprises a metal heat-insulating cover, a supporting rib is arranged between the metal heat-insulating cover and the reflecting cover, and the metal heat-insulating cover is supported above the reflecting cover through the supporting rib so as to form an air isolation layer between the metal heat-insulating cover and the reflecting cover.

According to the air fryer provided by the utility model, the metal heat shield is arranged, so that compared with the traditional heat shield made of glass fiber or plastic and other materials, the metal heat shield is low in production and processing cost, and is beneficial to reducing the cost of the air fryer. And be equipped with the supporting rib between metal heat exchanger and the reflecting cover, avoid reflecting cover and metal heat exchanger direct surface contact heat conduction, make metal heat exchanger support in the top of reflecting cover through the supporting rib, in order to make between metal heat exchanger and the reflecting cover form the air isolation layer, in the air fryer working process, the motor drives the hot fan and makes the culinary art chamber temperature rise, the reflecting cover separates the heat that most heat separates the shelves and cooks the intracavity, heat on the reflecting cover can be further separated by the air isolation layer that forms between metal heat exchanger and the reflecting cover, unable direct to heat dissipation intracavity transfer, because the heat conduction ability of air is poor, the heat transfer of air isolation layer can reduce the reflecting cover is to the heat dissipation intracavity, improve the heat dissipation intracavity temperature rise, reduce the motor heat, the life of extension motor. On the other hand, the air isolation layer blocks heat transfer of the cooking cavity, so that heat loss of the cooking cavity is reduced, cooking efficiency is improved, and cooking taste is improved.

In a preferred embodiment, the supporting rib is a convex hull formed by the metal heat shield protruding towards the reflecting cover, a groove is formed at the top end of the convex hull, and the bottom end of the convex hull is abutted to the reflecting cover.

Through setting up the supporting rib as the metal heat insulating cover towards the convex closure that the reflecting cover protrusion formed, the bottom butt of convex closure realizes the support of metal heat insulating cover in the reflecting cover to form the air isolation layer, separate shelves and slow down heat and to the heat dissipation chamber transfer, simultaneously, because convex closure and reflecting cover butt can form thermal direct transfer, form high Wen Dianwei, through forming the recess on the top of convex closure, the recess corresponds the high temperature point position as another air isolation chamber, slow down high Wen Dianwei thermal transfer, do benefit to the improvement heat dissipation chamber temperature rise, reduce motor heat, the life of extension motor. In addition, the convex hull is concave up and convex down, and can be formed by directly bending the metal heat shield, so that the structure of the supporting ribs is slowed down, and the production cost is reduced.

In a preferred embodiment, the radially outer end of the reflector is bent upwards to form a flange, the flange is arranged around the periphery of the metal heat shield, and the flange is in clearance fit with the radially outer end of the metal heat shield.

The folding edge which is bent upwards is arranged at the radial outer end of the reflecting cover, the folding edge is arranged on the periphery of the metal heat-insulating cover in a surrounding mode, the folding edge can shield a matching gap between the reflecting cover and the metal heat-insulating cover, heat in the air isolation layer is prevented from being directly transmitted through the matching gap between the reflecting cover and the metal heat-insulating cover, heat loss of the cooking cavity is reduced, and meanwhile the temperature of the heat dissipation cavity is reduced. The hem and the radial outer end clearance fit of metal heat shield, the mutual avoidance of convenient reflecting cover and metal heat shield when the assembly, convenient assembly, moreover, avoid the heat direct transfer that the two direct contact caused.

In a preferred embodiment, the air fryer further comprises a fuse link, the metal heat shield is provided with a pressing part, and the fuse link is pressed above the reflecting cover through the pressing part.

Through setting up the temperature monitoring and the circuit protection that the fuse-link realized the air fryer, promote the safety in utilization of air fryer, the metal heat exchanger is equipped with the pressure portion of holding, and the fuse-link is through the top of pressure portion pressure equipment at the reflector to need not to establish fixed subassembly in addition and fix the fuse-link, reduced spare part quantity, simplified the fixed mounting of fuse-link on the one hand, improve assembly efficiency, on the other hand reduce cost.

In a preferred embodiment, the holding portion is an upwardly arched wall, which is disposed around the periphery of the fuse link to define a limiting groove having a lower opening, and the fuse link extends from the lower opening into the limiting groove to be limited by the limiting groove.

Through setting up the pressure portion of holding into the arch wall, utilize the arch wall to set up the spacing groove that forms to have the lower opening around the periphery of fuse-link, consequently, when utilizing the arch wall to hold the vertical pressure of fuse-link in the bowl top, utilize this spacing groove to transversely spacing to the fuse-link to realize the spacing of the different positions of fuse-link, simple structure, it is spacing reliable.

In a preferred embodiment, the metal heat shield is provided with a mounting hole corresponding to the fuse link, two ends of the arched wall are provided with connecting walls, the connecting walls are fixedly connected with the wall of the mounting hole, and the lead end of the fuse link penetrates out of the mounting hole.

Through setting up the mounting hole at the metal heat exchanger, for arch wall provides the mounting hole site, arch wall passes through the pore wall fixed connection of connecting wall and mounting hole in order to realize reliable connection, and the lead wire terminal mounting hole of fuse-link wears out, does benefit to the controlling means electricity in the heat dissipation intracavity to be connected, and the lead wire that the lead wire terminal of being convenient for is arranged, avoids lead wire winding or rupture, and space utilization is reasonable.

In a preferred embodiment, the reflecting cover is provided with a first air outlet communicated with the cooking cavity, and the metal heat shield is provided with a second air outlet corresponding to the position of the first air outlet, and the size of the first air outlet is smaller than that of the second air outlet.

Through set up first gas vent and second gas vent respectively at reflecting cover and metal heat exchanger, realize the steam of culinary art chamber and discharge, promote the culinary art taste of edible material, the size of first gas vent is less than the size of second gas vent, consequently, ensures the unobstructed of the outside exhaust of hot gas in the culinary art chamber.

In a preferred embodiment, the reflective cover has a laterally extending reflective top wall and reflective side walls extending obliquely downward from the reflective top wall, and the metallic heat shield is provided with heat shield top wall and heat shield side walls shaped like the reflective cover.

The reflecting cover is provided with a reflecting top wall which transversely extends and a reflecting side wall which obliquely extends downwards from the reflecting top wall, so that heat generated by the heating pipe is transferred into the cooking cavity, and the metal heat-insulating cover is arranged on the heat-insulating top wall and the heat-insulating side wall which are similar in shape of the reflecting cover, so that heat insulation is uniform, and the isolation effect of the air isolation layer is ensured.

In a preferred embodiment, the minimum thickness H of the air barrier layer satisfies: h is more than or equal to 2mm and less than or equal to 10mm.

The minimum thickness of the air isolation layer is controlled to be less than or equal to 2mm and less than or equal to 10mm, so that the heat of the reflecting cover is prevented from being directly radiated onto the metal heat insulation cover if the H is less than 2mm, the isolation effect of the air isolation layer cannot be ensured, and meanwhile, the reduction of the space in the heat dissipation cavity or the increase of the size of the whole machine caused by the fact that the H is greater than 10mm is avoided. Therefore, when the H is more than or equal to 2mm and less than or equal to 10mm, the heat insulation effect of the air isolation layer can be ensured, the temperature of the heat dissipation cavity is reduced, electric devices such as a motor and the like are effectively protected, the size of the whole machine is reduced, the storage and the taking of the whole machine are facilitated, and the use is convenient.

In a preferred embodiment, the support ribs extend in a ring shape along the circumferential direction of the metal heat shield.

The supporting ribs extend into a ring shape along the circumferential direction of the metal heat shield, so that the air isolation layer between the metal heat shield and the reflecting shield is sealed, and the heat insulation effect of the air isolation layer is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic perspective view of an air fryer in accordance with one embodiment of the utility model.

FIG. 2 is a schematic cross-sectional view of an air fryer in an embodiment of the utility model.

FIG. 3 is a schematic cross-sectional view of a partial structure of an air fryer in accordance with one embodiment of the utility model.

Fig. 4 is a schematic structural view of a support rib according to an embodiment of the present utility model.

FIG. 5 is a cross-sectional view of a portion of an air fryer in accordance with another embodiment of the utility model, taken at an alternate angle.

FIG. 6 is a schematic view of the top of a metallic heat shield in accordance with one embodiment of the present utility model.

FIG. 7 is a schematic view of an installation of a fuse link in an embodiment of the present utility model.

Fig. 8 is a schematic structural view of a pressing portion of a metal heat shield according to an embodiment of the present utility model.

Reference numerals illustrate:

10-a machine body; 11-a pot body; 12-a pan body panel; 13-a handle; 14-a cooling fan; 20-a reflective cover; 21-flanging; 30-a cooking cavity; 31-a hot fan; 32-heating pipes; 40-a heat dissipation cavity; 41-an electric motor; 50-a metal heat shield; 51-supporting ribs; 52-grooves; 53-a press-holding part; 531-arched walls; 532-limit grooves; 533-connecting wall; 54-mounting holes; 60-an air isolation layer; 70-fuse link.

Detailed Description

In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below. It should be noted that, without conflict, embodiments of the present utility model and features in each embodiment may be combined with each other.

In addition, in the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "circumferential", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

1-8, The present utility model provides, in one embodiment, an air fryer comprising a body 10 and a reflective cover 20 disposed within the body 10, the reflective cover 20 dividing the body 10 into a lower cooking chamber 30 and an upper heat dissipation chamber 40, a heat fan 31 and a heating pipe 32 being disposed within the cooking chamber 30, a motor 41 driving the heat fan 31 being disposed within the heat dissipation chamber 40, as shown in FIGS. 1-4, the air fryer further comprising a metal heat shield 50, a support rib 51 being disposed between the metal heat shield 50 and the reflective cover 20, the metal heat shield 50 being supported above the reflective cover 20 by the support rib 51 such that an air barrier 60 is formed between the metal heat shield 50 and the reflective cover 20.

The machine type of the air fryer is not limited in this embodiment, and the air fryer can be a machine head flip type air fryer or a pot body pull type air fryer, as shown in fig. 1 and 2, the air fryer includes a pot body 11 which is installed in a cooking cavity 30 and can be pulled out, a pot body panel 12 is arranged on the pot body 11, and a handle 13 is installed on the outer side of the pot body panel. Preferably, a cooling fan 14 driven by a motor is also provided in the heat dissipation chamber 40.

In this embodiment, the metal heat shield is preferably a galvanized plate heat shield or an aluminum plate heat shield, reducing processing and material costs.

According to the air fryer provided by the utility model, the metal heat shield 50 is arranged, so that compared with the traditional heat shield 20 made of glass fiber or plastic and other materials, the metal heat shield 50 is low in production and processing cost, and is beneficial to reducing the cost of the air fryer. And be equipped with the supporting rib 51 between metal heat exchanger 50 and the reflecting cover 20, avoid reflecting cover 20 and metal heat exchanger 50 direct surface contact heat conduction, make metal heat exchanger 50 support in the top of reflecting cover 20 through supporting rib 51, in order to form air isolation layer 60 between metal heat exchanger 50 and the reflecting cover 20, in the air fryer working process, the motor drives the hot-blast fan and makes cooking cavity 30 temperature rise, the reflecting cover 20 separates most heat and keeps off in cooking cavity 30, heat on the reflecting cover 20 can be further blocked by the air isolation layer 60 that forms between metal heat exchanger 50 and the reflecting cover 20, can't directly transmit to the heat dissipation intracavity 40, because the heat conduction ability of air is poor, air isolation layer 60 can reduce the heat transfer of reflecting cover 20 to the heat dissipation intracavity 40, improve the heat dissipation intracavity 40 temperature rise, reduce the motor heat, the life of extension motor. On the other hand, the air isolation layer 60 blocks heat transfer of the cooking cavity 30, thereby reducing heat loss, improving cooking efficiency, and improving cooking taste.

In a preferred embodiment, as shown in fig. 4, the supporting rib 51 is a convex hull formed by the metal heat shield 50 protruding toward the reflecting cover 20, the top end of the convex hull forms a groove 52, and the bottom end of the convex hull abuts against the reflecting cover 20. In a more preferred embodiment, the support ribs 51 extend in a ring shape along the circumferential direction of the metal heat shield 50.

Through setting up the supporting rib 51 to the convex closure that metal heat exchanger 50 formed towards the protrusion of bowl 20, the bottom butt of convex closure realizes the support of metal heat exchanger 50 in bowl 20 to form air isolation layer 60, separate shelves and slow down the heat and to heat dissipation chamber 40 transfer, simultaneously, because convex closure and bowl 20 butt can form the direct transfer of heat, form high Wen Dianwei, through forming recess 52 on the top of convex closure, recess 52 corresponds the high temperature point position as another air isolation chamber, slow down high Wen Dianwei thermal transfer, do benefit to improvement heat dissipation chamber 40 temperature rise, reduce the motor heat, prolong the life of motor. In addition, the convex hull is formed by directly bending the metal heat shield 50, so that the structure of the supporting ribs 51 is slowed down, and the production cost is reduced.

By extending the support rib 51 in a ring shape along the circumferential direction of the metal heat shield 50, the air isolation layer 60 between the metal heat shield 50 and the reflection shield 20 is sealed, thereby improving the heat insulation effect of the air isolation layer 60.

The position and shape of the support rib according to the present utility model are not limited to the above-described one. In practice, the support ribs may be support posts protruding downwardly from the bottom surface of the metal heat shield. And, in another preferred embodiment, the supporting rib may be a fixing post provided on the upper surface of the reflection housing.

In a preferred embodiment, as shown in fig. 4, the radially outer end of the reflector 20 is bent upward to form a flange 21, the flange 21 is disposed around the outer periphery of the metal heat shield 50, and the flange 21 is in clearance fit with the radially outer end of the metal heat shield 50.

By arranging the folded edge 21 which is bent upwards at the radial outer end of the reflecting cover 20, the folded edge 21 is arranged on the periphery of the metal heat-insulating cover 50 in a surrounding mode, and the folded edge 21 can shield a matching gap between the reflecting cover 20 and the metal heat-insulating cover 50, so that heat in the air isolation layer 60 is prevented from being directly transmitted out through the matching gap between the reflecting cover 20 and the metal heat-insulating cover 50, heat loss of the cooking cavity 30 is reduced, and meanwhile, the temperature of the heat dissipation cavity 40 is reduced. The flange 21 is in clearance fit with the radially outer end of the metal heat shield 50, so that the reflector 20 and the metal heat shield 50 can avoid each other during assembly, assembly is convenient, and heat direct transfer caused by direct contact of the reflector and the metal heat shield is avoided.

It should be noted that, the clearance fit between the flange 21 and the radially outer end of the metal heat shield 50 is to achieve the avoidance fit between the metal heat shield and the flange in the installation process, and a smaller clearance is set according to actual needs, so that the flange can shield the effect of the fit gap between the metal heat shield and the reflective shield.

In a preferred embodiment, as shown in fig. 6, 7 and 8, the air fryer further comprises a fuse link 70, the metal heat shield 50 is provided with a press-holding portion 53, and the fuse link 70 is press-fitted over the reflecting cover 20 by the press-holding portion 53.

Through setting up the temperature monitoring and the circuit protection that the fuse-link 70 realized the air fryer, promote the safety in utilization of air fryer, metal heat exchanger 50 is equipped with the pressure portion of holding, and the fuse-link 70 is through the top of pressure portion pressure equipment at reflector 20 to need not to establish fixed subassembly in addition and fix the fuse-link 70, reduced spare part quantity, simplified the fixed mounting of fuse-link 70 on the one hand, improve assembly efficiency, on the other hand reduce cost.

The present utility model is not limited to the specific structure of the holding portion, in a preferred embodiment, the holding portion 53 is an arched wall 531 that is arched upwards, and the arched wall 531 is disposed around the periphery of the fuse link 70 to define a limiting slot 532 with a lower opening, and the fuse link 70 extends into the limiting slot 532 from the lower opening and is limited by the limiting slot 532.

Through setting up the pressure portion of holding into the arch wall, utilize the arch wall to set up the spacing groove that forms to have the lower opening around the periphery of fuse-link 70, consequently, when utilizing the arch wall to hold the vertical pressure of fuse-link 70 in reflector 20 top, utilize this spacing groove to transversely spacing to fuse-link 70 to realize the spacing of fuse-link 70 different positions, simple structure, spacing is reliable.

In a more preferred embodiment, as shown in fig. 6, 7 and 8, the metal heat shield 50 is provided with mounting holes 54 corresponding to the fuse links 70, connecting walls 533 are provided at both ends of the arch-shaped wall, the connecting walls are fixedly connected with the walls of the mounting holes 54, and the lead ends of the fuse links 70 penetrate out of the mounting holes 54.

Through setting up mounting hole 54 at metal heat exchanger 50, provide the installation hole site for the arch wall, the arch wall is through the pore wall fixed connection of connecting wall and mounting hole 54 in order to realize reliable connection, and the lead terminal mounting hole of fuse-link 70 wears out, does benefit to the controlling means electricity in the heat dissipation chamber 40 to be connected, and the lead wire that the lead terminal is connected of being convenient for is arranged, avoids lead wire winding or rupture, and space utilization is reasonable.

In the above embodiment, the pressing portion is integrally formed with the metal heat shield, and in practice, the pressing portion may be fixedly connected to the hole wall of the mounting hole by bonding the connecting wall thereto.

Of course, the present utility model is not limited to the above embodiment for fixing the fuse link, and in practice, an additional fixing member may be used to fix the fuse link outside the reflection housing.

In a preferred embodiment, as shown in fig. 5, the reflecting cover 20 is provided with a first exhaust port 22 communicating with the cooking cavity 30, and the metal heat shield 50 is provided with a second exhaust port 23 corresponding to the position of the first exhaust port 22, the size of the first exhaust port 22 being smaller than the size of the second exhaust port 23.

By arranging the first air outlet 22 and the second air outlet 23 on the reflecting cover 20 and the metal heat insulating cover 50 respectively, hot air in the cooking cavity 30 is discharged, the cooking taste of food materials is improved, and the size of the first air outlet 22 is smaller than that of the second air outlet 23, so that the smooth discharge of hot air in the cooking cavity 30 is ensured.

More preferably, a sealing ring rib 24 is arranged at the edge of the second exhaust port 23, and the sealing ring rib 24 is abutted with the reflecting cover, so that the tightness of the air isolation layer between the reflecting cover and the metal heat insulation cover is improved, and the heat loss of the cooking cavity and the temperature rise of the heat dissipation cavity are avoided.

In a preferred embodiment, as shown in FIG. 3, the reflector 20 has a laterally extending reflective top wall and reflective side walls extending obliquely downward from the reflective top wall, and the metallic heat shield 50 is provided with heat shield top wall and heat shield side walls shaped similarly to the reflector 20.

The reflecting cover 20 is provided with a reflecting top wall extending transversely and a reflecting side wall extending downwards obliquely from the reflecting top wall, so that heat generated by the heating pipe can be transferred into the cooking cavity 30, and the metal heat insulating cover 50 is arranged on the heat insulating top wall and the heat insulating side wall of the reflecting cover 20, which are similar in shape, so that heat insulation is uniform, and the isolation effect of the air isolation layer 60 is ensured.

In a preferred embodiment, as shown in FIG. 3, the minimum thickness H of the air barrier layer 60 satisfies: h is more than or equal to 2mm and less than or equal to 10mm. For example, H may be selected from 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm.

By controlling the minimum thickness of the air isolation layer 60 to be 2mm less than or equal to H less than or equal to 10mm, the heat of the reflecting cover 20 is prevented from being directly radiated to the metal heat insulation cover 50 if H is less than 2mm, the isolation effect of the air isolation layer 60 cannot be ensured, and meanwhile, the reduction of the space in the heat dissipation cavity 40 or the increase of the size of the whole machine caused by the fact that H is greater than 10mm is avoided. Therefore, when H is more than or equal to 2mm and less than or equal to 10mm, the heat insulation effect of the air isolation layer 60 can be ensured, the temperature of the heat dissipation cavity 40 is reduced, electric devices such as a motor and the like are effectively protected, the size of the whole machine is reduced, and the whole machine is convenient to store and take.

The utility model can be realized by adopting or referring to the prior art at the places which are not described in the utility model.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims (10)

1. The utility model provides an air fryer, includes the organism and sets up the reflector in the organism, the reflector will the organism is separated into the cooking cavity of below and the heat dissipation chamber of top, be equipped with hot fan and heating pipe in the cooking cavity, be equipped with the drive in the heat dissipation chamber the motor of hot fan, its characterized in that, the air fryer still includes the metal heat exchanger, the metal heat exchanger with be equipped with the supporting rib between the reflector, the metal heat exchanger passes through the supporting rib supports the top of reflector, so that the metal heat exchanger with form the air isolation layer between the reflector.

2. The air fryer of claim 1, wherein said radially outer end of said reflector is upwardly bent to form a hem, said hem surrounding the periphery of said metal heat shield, and said hem being in clearance fit with the radially outer end of said metal heat shield.

3. The air fryer of claim 1, further comprising a fuse link, said metal heat shield having a press-fit portion, said fuse link being press-fit over said reflector by said press-fit portion.

4. An air fryer according to claim 3 wherein said pressure holding portion is an upwardly arched wall disposed about the periphery of said fuse link to define a spacing slot having a lower opening from which said fuse link extends into said spacing slot to be spacing by said spacing slot.

5. The air fryer of claim 4, wherein said metal heat shield defines mounting holes corresponding to said fuse links, connecting walls are provided at opposite ends of said arched walls, said connecting walls are fixedly connected to walls of said mounting holes, and lead ends of said fuse links extend from said mounting holes.

6. The air fryer of claim 1, wherein said ribs are convex hulls formed by said metal heat shield protruding toward said reflector, wherein the top ends of said convex hulls form grooves, and wherein the bottom ends of said convex hulls abut said reflector.

7. The air fryer of claim 1, wherein said reflector housing defines a first air outlet in communication with said cooking cavity, said metal heat shield defines a second air outlet corresponding to the location of said first air outlet, and wherein the size of said first air outlet is smaller than the size of said second air outlet.

8. An air fryer according to claim 1, wherein said reflective cover has a laterally extending reflective top wall and reflective side walls extending obliquely downwardly from said reflective top wall, said metallic heat shield being provided with heat shield top wall and heat shield side walls shaped similarly to said reflective cover.

9. An air fryer according to claim 1, wherein said minimum thickness H of air barrier is such that: h is more than or equal to 2mm and less than or equal to 10mm.

10. The air fryer of claim 1, wherein said ribs extend in a ring along a circumference of said metal heat shield.