CN220308967U - Air fryer - Google Patents

Abstract

The utility model relates to the technical field of food processing devices, in particular to an air fryer, which comprises a casing, wherein a reflecting cover is arranged in the casing, the space in the casing is divided into an upper installation cavity and a lower cooking cavity by the reflecting cover, a heating element and a hot fan are arranged in the cooking cavity, a motor for driving the hot fan to rotate is arranged in the installation cavity, a heat-insulating cover is arranged above the reflecting cover, a wind scooper with a heat dissipation air duct is arranged in the upper side of the heat-insulating cover, a cooling fan is arranged in the wind scooper, a stud extending downwards is arranged at the bottom of the wind scooper, a first avoidance hole corresponding to the stud is arranged on the heat-insulating cover, a screw hole corresponding to the stud is arranged on the reflecting cover, and a fastener passes through the screw hole and is locked on the stud. The air guide cover is favorable for discharging the heat dissipation air flow blown by the cooling fan out of the shell, and the heat dissipation effect is improved. Through set up first hole of dodging at the heat exchanger to be favorable to the fastener to lock wind scooper direct with the reflecting cover, can simplify the assembly, the fixed of wind scooper is more reliable.

Description

Air fryer

Technical Field

The utility model relates to the technical field of food processing devices, in particular to an air fryer.

Background

With the increasing living standard of people, various cooking appliances used in a kitchen are more and more, and the requirements on the cooking appliances are also higher and more. Among various cooking appliances, various baking apparatuses currently used for baking meat products, bread and pastries, etc., are increasingly popular, for example, ovens, air fryers, etc., which are highly popular with people for various functions.

The existing air fryer generally comprises a shell, wherein a reflecting cover is arranged in the shell, the space in the shell is divided into an installation cavity above the reflecting cover and a cooking cavity below the reflecting cover, a hot fan and a heating piece are arranged in the cooking cavity, a motor is arranged in the installation cavity, and the motor drives the hot fan to rotate so as to blow heat of the heating piece into the cooking cavity to cook food. Because the motor operating temperature risees and the heat in the cooking cavity can transfer to the installation cavity in the cooking process, the temperature in the installation cavity rises, and the fan is arranged in the installation cavity to dissipate heat generally, however, the air flow driven by the existing fan flows in the installation cavity and can be influenced by structures such as a motor and a control device, and the like, and a reliable flow guiding mechanism does not guide the air flow of the fan, so that the heat dissipation effect is poor.

Disclosure of Invention

The utility model aims to provide an air fryer which is used for solving the problem that the heat dissipation effect of an installation cavity of the existing air fryer is poor.

In order to achieve the above purpose, the utility model provides an air fryer, which comprises a shell, wherein a reflecting cover is arranged in the shell, the reflecting cover divides the space in the shell into an installation cavity above and a cooking cavity below, a heating part and a hot fan are arranged in the cooking cavity, a motor for driving the hot fan to rotate is arranged in the installation cavity, a heat shield is arranged above the reflecting cover, a wind scooper with a heat dissipation air duct inside is also arranged on the upper side of the heat shield, a cooling fan is arranged in the wind scooper, a stud extending downwards is arranged at the bottom of the wind scooper, a first avoidance hole corresponding to the stud is arranged on the heat shield, a screw hole corresponding to the stud is arranged on the reflecting cover, and a fastener penetrates through the screw hole and is locked on the stud.

According to the air fryer provided by the utility model, the air guide cover with the heat dissipation air duct is arranged on the upper side of the heat insulation cover, so that the heat dissipation air flow blown by the cooling fan can be discharged out of the casing, the heat dissipation effect is improved, the heat of the reflecting cover is prevented from being directly transferred into the mounting cavity by arranging the heat insulation cover, the temperature rise of the mounting cavity is improved, and the service life of a motor and the like is prolonged. The first avoidance holes are formed in the heat shield, so that the heat shield can be directly locked with the reflecting shield by the fasteners, assembly can be simplified, and the heat shield is fixed by the heat shield more reliably than the heat shield which is made of metal materials because the strength of the heat shield is weaker than that of the heat shield which is made of metal materials. The screw bolt extends downwards from the wind scooper, and compared with the mode of arranging the screw hole on the wind scooper, the heat dissipation air flow in the wind scooper can be prevented from being lost from the screw hole, and the heat dissipation effect is improved.

Preferably, the reflecting cover is penetrated and provided with a temperature control part, the temperature control part is provided with an outer end part protruding out of the upper end of the reflecting cover, the heat shield is provided with a second avoidance hole, and the second avoidance hole surrounds the outer end part of the temperature control part.

Through penetrating the temperature control piece at the reflecting cover, the temperature of the cooking cavity can be monitored at any time, and the power is cut off when the temperature of the cooking cavity is too high, so that the effect of protecting all electric devices of the air fryer is achieved, and the use is safe. The second avoidance holes are formed in the heat shield, so that the temperature control part is prevented from being disturbed in detection due to the fact that the temperature control part is blown by air flow of the installation cavity, the temperature measurement effect is affected, the second avoidance holes surround the temperature control part, the exposed height of the tail end of the temperature control part is reduced, and the detection accuracy of the temperature control part is guaranteed.

Preferably, the motor is provided with a fixing column extending downwards, the heat shield is provided with a third avoidance hole corresponding to the fixing column, the reflecting shield is provided with a fixing hole corresponding to the fixing column, and the fastener penetrates through the fixing hole and is locked on the fixing column.

The heat shield is provided with the third avoiding hole corresponding to the fixing column, so that the motor and the reflecting cover are directly fixed by the fastener, the assembly is simple, and the heat shield is made of heat-insulating materials which are usually weaker than the reflecting cover made of metal materials, so that the motor and the reflecting cover are fixed in a mode of fixing the motor and the heat shield, and the fixing of the air guide cover is more reliable.

Preferably, the bottom wall of the air guide cover is spaced from the heat shield to form an air intake gap between the air guide cover and the heat shield.

Through the diapire and the heat exchanger interval arrangement at the wind scooper, avoid the heat exchanger to give the wind scooper with the heat direct transfer of reflecting cover on the one hand, and then avoid the casing overheated influence user to use and experience, on the other hand, through forming the air inlet clearance, can more do benefit to the air current to flow through the air inlet clearance and take away the heat in the installation cavity, improve the radiating effect.

Preferably, the stud passes through the first avoidance hole to be abutted to the top surface of the reflecting cover, and the first avoidance hole is in clearance fit with the stud.

The first avoidance hole is in clearance fit with the stud, interference between the heat shield and the fastening piece is avoided, and the heat shield is usually made of heat insulation materials and is not high in strength, so that damage to the heat shield caused by the fastening piece is avoided.

Preferably, the stud has a hollow portion provided with a threaded section, and the end face of the stud is provided with a guide surface extending obliquely to the hollow portion.

By arranging the guide surface on the end face of the stud, the fastener is guided and limited in the locking process of the fastener, the assembly alignment time is further shortened, and the assembly efficiency is improved.

Preferably, the reflecting cover is provided with a limiting wall surrounding the screw hole, the limiting wall extends obliquely towards the hollow part, and the limiting wall is matched with the guide surface.

Preferably, the end face of the lock head of the fastener is in flush transition with the lower surface of the reflecting cover.

Through setting up spacing wall at the bowl, spacing wall slope towards the well to cooperate together with the guide surface and play the guide effect to the fastener, improve assembly efficiency, in addition, the screw is enclosed into to spacing wall of slope, can flush the design with the bowl with the tapered end terminal surface of fastener, thereby takes place the loss when avoiding the hot-blast fan of bowl downside to blow to flow along the bowl, improves the culinary art effect.

Preferably, the casing is square and is also provided with an air outlet cover, the air outlet cover is provided with an air outlet hole communicated with the heat dissipation air duct, and the air outlet cover is positioned at the corner of the casing. The air outlet cover is arranged at the corner of the shell, and due to the characteristic of the form of the corner, a user does not need to deliberately keep the distance between the rear end face of the shell and the wall surface when placing the air fryer, the air outlet hole and the wall surface can be kept separate by utilizing the corner no matter how the air fryer is placed, the phenomenon that the air outlet cover is directly contacted with the wall surface to cause hot air to blow the wall surface or the wall surface to block the air outlet hole is avoided, and the air outlet cover is more worry-saving to place and good in use experience.

Preferably, the reflecting cover is provided with a first through hole, the heat shield and the air guide cover are respectively provided with a second through hole and a third through hole which are correspondingly communicated with the first through hole, and the opening areas of the first through hole, the second through hole and the third through hole are sequentially increased.

Through setting up first through-hole and second through-hole, do benefit to the intercommunication of culinary art chamber and apopore, through setting up the third through-hole, can realize that the culinary art chamber discharges from the casing apopore after the heat dissipation passageway of wind scooper again, under the condition that does not need to enlarge the area of apopore, guarantee the play vapour effect in culinary art chamber and the radiating effect of installation cavity.

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 view of the overall cross-sectional structure of an air fryer in one embodiment of the utility model.

FIG. 2 is a schematic diagram of an exploded construction of an air fryer in one embodiment of the utility model.

FIG. 3 is a schematic view of another angular exploded configuration of an air fryer in an embodiment of the utility model.

Fig. 4 is a schematic structural diagram of an air outlet cover according to an embodiment of the utility model.

Fig. 5 is a schematic view illustrating another angle of the air outlet cover according to an embodiment of the present utility model.

Fig. 6 is a schematic diagram illustrating installation of the air outlet cover and the casing according to an embodiment of the utility model.

Fig. 7 is a schematic structural diagram of a casing according to an embodiment of the present utility model.

FIG. 8 is an overall top view of an air fryer in one embodiment of the utility model.

Fig. 9 is a schematic diagram of a volute tank of a wind scooper according to an embodiment of the present utility model.

FIG. 10 is a schematic diagram illustrating the mating of a wind scooper, a heat shield, and a reflective cover in an embodiment of the present utility model.

FIG. 11 is a schematic diagram illustrating the fixing of the wind scooper and the reflective housing according to an embodiment of the present utility model.

Reference numerals illustrate:

10-a shell; 101-a mounting port; 102-a body; 103-top cover; 104-a first air inlet; 11-a mounting cavity; 12-a cooking cavity; 13-connecting walls;

20-a reflective cover; 21-screw holes; 22-temperature control piece;

30-a hot fan;

40-heating element;

50-an electric motor;

60-an air outlet cover; 601-an air outlet hole; 61-cover body; 62-flanging; 63-bottom edge; 64-surrounding edges; 621-connecting part; 622-positioning part; 65-upper clamping ribs; 66-clamping grooves; 67-stop bars; 68-lower clamping ribs; 69-lower stop bars;

70-a cooling fan;

80-a wind scooper; 81-a volute tank; 811-supporting a step; 82-volute cover; 821-crimping plates; 822-limiting risers; 83-a body portion; 84-a limiting part; 85-a support; 86-stud; 861-guide surface; 862-limit wall;

90-heat shield; 91-a first through hole; 92-a second through hole; 93-a third through hole; 94-a first escape aperture; 95-a second avoidance hole; 100-first fastener.

Detailed Description

In order to more clearly illustrate the general inventive concept, reference will be made in the following detailed description, by way of example, to the accompanying drawings.

It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than as described herein, and therefore the scope of the present utility model is not limited by the specific embodiments disclosed below.

Example 1

As shown in fig. 1, 2 and 3, the embodiment provides an air fryer, which comprises a casing 10, wherein a reflecting cover 20 is arranged in the casing 10, the reflecting cover 20 divides the space in the casing 10 into an upper installation cavity 11 and a lower cooking cavity 12, a heating fan 30 and a heating element 40 are arranged in the cooking cavity 12, a motor 50 is arranged in the installation cavity 11, the motor 50 drives the heating fan 30 to rotate so as to drive heat of the heating element 40 to flow in the cooking cavity 12, an installation opening 101 is arranged on the casing 10, an air outlet cover 60 is arranged in the installation opening 101, an air outlet hole 601 communicated with the cooking cavity 12 is formed in the air outlet cover 60, the casing 10 is square, the air outlet cover 60 is positioned at a corner of the casing 10, and the outer end face of the air outlet cover 60 is matched with the shape of the casing 10 so as to form a smooth appearance face.

Preferably, adjacent side walls of the cabinet 10 are connected by a curved connecting wall 13, and the air outlet cover 60 is positioned on the connecting wall 13. Preferably, the side walls of the housing 10 may be planar and rounded by the connecting walls 13; alternatively, as shown in fig. 8, the side wall of the casing 10 is an arc surface, and smoothly transitions with the connecting wall.

According to the utility model, the air outlet cover 60 is arranged in the mounting port 101 of the casing 10, so that the air outlet cover 60 is independently arranged to be made of high-temperature resistant materials, the service life of the air outlet cover 60 is prolonged, and the cost of the casing 10 is reduced. The casing 10 is square, the hand feeling of taking of a user is improved, the air outlet cover 60 is arranged at the corner of the casing 10, the user does not need to keep the rear end face of the casing 10 away from the wall surface deliberately when placing the air fryer due to the characteristic of the shape of the corner, the air outlet hole 601 can be kept separated from the wall surface by utilizing the corner anyway, for example, the top view of the air fryer in fig. 8 is taken as an example, the front side of the air fryer in actual use faces the user, and therefore, the air outlet cover 60 is positioned at the corner, water vapor or hot air can be blown to the rear side, the user is prevented from being scalded, the phenomenon that the air outlet hole 601 is blocked by the hot air because the air outlet cover 60 is directly contacted with the wall surface is avoided, the placement is more worry-saving, and the use experience is good. In addition, need not to bulge on the casing 10 and establish the fender muscle, the structure of casing 10 can be simplified in the packing of being convenient for accomodate, and convenient production avoids forming the clearance and hinders, and the outer terminal surface of air-out cover 60 matches in order to form smooth outward appearance face with casing 10 shape, and the convenience of customers cleans the casing 10 surface, and the clearance is more convenient.

Regarding the limiting manner of the air outlet cover 60 along the vertical direction, in a preferred embodiment, as shown in fig. 1-3, a cooling fan 70 and an air guiding cover 80 for accommodating the cooling fan 70 are further arranged in the installation cavity 11, an outlet of the air guiding cover 80 is communicated with the air outlet hole 601, and in combination with fig. 2 and 3, the air guiding cover 80 comprises a volute groove 81 and a volute cover 82 covering the volute groove 81, the air outlet cover 60 comprises a cover body 61 provided with the air outlet hole 601 and a folded edge 62 extending inwards from the cover body 61, and the volute groove 81 and the volute cover 82 clamp the folded edge 62 to axially limit the air outlet cover 60.

Through setting up thermantidote 70 and wind scooper 80, can dispel the heat to other parts such as motor 50 in the installation cavity 11, improve motor 50 temperature rise, make motor 50 steady operation and extension motor 50 life, wind scooper 80 includes spiral case groove 81 and spiral case lid 82, make the radiating air current can smoothly discharge outside casing 10, and wind scooper 60 includes the cover body 61 that is equipped with air outlet 601 and has inward-extending hem 62 from cover body 61, because wind scooper 60 is located the corner, therefore, utilize spiral case groove 81 and spiral case lid 82 to the centre gripping of hem 62 come to spacing axially to wind scooper 60, make the location of wind scooper 60 simple and reliable.

More preferably, as shown in fig. 4 and 5, the flange 62 includes a connecting portion 621 connected to the cover 61 and a positioning portion 622 located inside the connecting portion, and referring to fig. 6, the positioning portion 622 is sandwiched between the volute casing 81 and the volute cover 82, and the connecting portion 621 is sunk relative to the positioning portion 622 to form a hollow space 623.

The connecting part 621 sinks relative to the positioning part 622 to form the avoidance cavity 623, so that the heat of the air outlet cover 60 is directly transferred to the casing 10, the problems of touch scalding and the like of a user caused by overheat of the casing 10 are avoided, and the use experience of the user is improved. The connecting portion sinks relative to the positioning portion to form a step surface, so that the heat dissipation air flow can be guided to the air outlet 601.

More preferably, as shown in fig. 6, the edge of the casing cover 82 is provided with a laterally extending pressure-contact plate 821 and a stopper riser 822 connected below the pressure-contact plate 821, the pressure-contact plate 821 being pressure-contacted to the upper end face of the positioning portion 622 of the flange 62, the stopper riser 822 being in abutment with the inner end face of the positioning portion 622 of the flange 62.

By arranging the press plate 821 and the limiting vertical plate 822, a bending limiting structure can be formed at the end part of the folded edge, so that the fit gap between the folded edge 62 and the volute cover 82 is prolonged, the effect of sealing and butt joint is achieved, the heat dissipation air flow blown by the cooling fan 70 is prevented from flowing from the fit gap, and the heat dissipation air flow can be smoothly discharged through the air guide cover 80 and the air outlet hole.

In a preferred embodiment, the edge of the volute tank 81 includes a support step 811, and the lower portion of the outlet housing 60 is provided with an inwardly extending bottom edge 63, and the bottom edge 63 overlaps the support step 811 and laterally abuts the support step 811.

The lower part of the air outlet cover 60 is further supported by the support steps 811 arranged on the edge of the volute groove 81, so that an axial limiting effect is achieved, and meanwhile, the fit clearance between the volute groove 81 and the air outlet cover 60 is prolonged by the support steps 811, a sealing and abutting effect is achieved, and the cooling air flow blown by the cooling fan 70 can be smoothly discharged into the air guide cover 80.

In a preferred embodiment, the sides of the outlet hood 60 extend inwardly to form a peripheral edge 64 that sealingly interfaces with the walls of the volute slot 81.

By arranging the surrounding edge on the side part of the air outlet cover 60, the sealing and abutting joint with the side wall of the volute casing groove 81 are realized, so that the heat dissipation air flow blown by the cooling fan 70 can be smoothly discharged into the air guide cover 80.

Regarding the limiting mode of the air outlet cover 60 in the horizontal direction, in a preferred embodiment, the top of the air outlet cover 60 is convexly provided with an upper clamping rib 65, and the side wall of the casing 10 surrounding the mounting opening 101 is provided with a clamping groove 66 matched with the upper clamping rib 65.

Through set up the draw-in groove spacing cooperation of draw-in bar and casing 10 at air-out cover 60, realize the spacing to air-out cover 60 horizontal direction, avoid air-out cover 60 to drop in the casing 10 or the casing 10 outside, realize the reliable fixed of air-out cover 60.

Specifically, the lateral surface of going up the card muscle is the guide surface of slope, and guide surface and draw-in groove's cell wall clearance fit, and the medial surface of going up the card muscle is spacing with the cell wall backstop of draw-in groove.

The inclined guide surface is arranged on the outer side surface of the upper clamping rib, so that the air outlet cover 60 is conveniently installed in the installation opening 101 of the casing 10 from inside to outside, and the guide surface is in clearance fit with the groove wall of the clamping groove, the inner side surface of the upper clamping rib is limited by the groove wall stop of the clamping groove, and therefore the situation that the outer side of the upper clamping rib is too tightly matched with the groove wall of the clamping groove and smooth transition connection cannot be carried out with the outer surface of the casing 10 after the air outlet cover 60 is installed due to machining tolerance is avoided on the basis that the inner falling of the air outlet cover 80 is limited after the air outlet cover 80 is installed in place.

In order to prevent the air outlet cover 60 from falling outwards, in a preferred embodiment, as shown in fig. 4, the top of the air outlet cover 60 is convexly provided with a stop rib 67 and an upper clamping rib 66, the stop rib 67 and the upper clamping rib 66 are arranged at intervals along the bending direction of the air outlet cover 60, the stop rib 67 is positioned on the inner side of the upper clamping rib 66, and the casing 10 is provided with a limit rib inserted between the upper clamping rib 66 and the stop rib 67, and the limit rib is limited by the stop rib 66 and the stop rib 67. As shown in connection with fig. 7, the stop rib may be formed by an extension of the slot wall of the slot 66.

Through setting up spacing muscle and last joint bar, realize the spacing to air-out cover 60 horizontal direction, avoid air-out cover 60 to drop, and, stop position muscle and last joint bar along the crooked direction interval arrangement of air-out cover 60 to the form that is adapted to air-out cover 60 increases the limit point, further realizes the reliable fixed of air-out cover 60 and casing 10.

In a preferred embodiment, the bottom of the air outlet cover 60 is provided with a lower clamping rib 68 in a downward protruding manner, and the lower clamping rib 68 is limited by the inner side wall of the casing 10.

The lower clamping ribs 68 are arranged at the bottom of the air outlet cover 60, so that the lower part and the inner side wall of the machine shell 10 are limited, the multi-directional limitation of the air outlet cover 60 is realized, and the fixing is reliable.

The specific installation mode of the air outlet cover 60 is as follows: as shown in fig. 6 and 7, the air outlet cover 60 is installed from the inner side to the outer side of the casing, so that the upper clamping rib 65 and the lower clamping rib 68 of the air outlet cover 60 are smoothly clamped into the corresponding clamping groove 66 of the casing by using the outer guiding surface, the upper clamping rib 65 is clamped into the clamping groove 66 of the casing, the air outlet cover 60 cannot fall out of the casing from the installation opening, the lower clamping rib 68 is abutted against the side wall stop of the casing, and specifically, the lower clamping groove 68 for limiting the lower clamping rib can also be arranged in the casing. After the upper clamping rib 65 is matched with the clamping groove 66 in place, the side wall of the clamping groove 66 can be stopped with the stop rib 67 on the air outlet cover 60, and the air outlet cover 60 cannot fall to the inner side of the machine shell 10.

More preferably, as shown in fig. 5, a lower stop rib 69 may be provided at the bottom of the air outlet cover 60 in addition to the lower stop rib 68. The lateral direction of the air outlet cover is further limited.

In a preferred embodiment, the enclosure 10 is further provided with a first air inlet 104, preferably, the first air inlet 104 is disposed opposite to the air outlet, for example, as shown in fig. 8, where the first air inlet 104 and the air outlet of the air outlet cover 60 are located at corners of two sides of the rear side of the enclosure, respectively.

The first air inlet is arranged at the corner of the shell 10; further, the casing 10 includes a main body 102 surrounding the cooking cavity 12 and a top cover 103 separately covering the main body 102, the air outlet cover 60 is disposed on the main body, and the top cover 103 is in clearance fit with the main body 102 to form a second air inlet.

By arranging the first air inlet 104 at the hanging corner of the casing 10, a user can save worry when placing the air fryer, and does not need to pay attention to the position of the first air inlet 104, so that the first air inlet 104 is effectively prevented from being blocked by the wall surface. The top cover and the main body are in clearance fit to form a second air inlet hole, so that the air inlet quantity can be increased on the basis of avoiding additionally arranging a through hole, and the ventilation of the inside and outside of the shell 10 is facilitated.

Example 2

The embodiment provides an air fryer, as shown in fig. 1, including a casing 10, a reflecting cover 20 is provided in the casing 10, the reflecting cover 20 divides the space in the casing 10 into an installation cavity 11 above and a cooking cavity 12 below, a hot fan 30 and a heating element 40 are provided in the cooking cavity 12, a motor 50 is provided in the installation cavity 11, the reflecting cover 20 is square and has a corner wall, a cooling fan 70 and a wind guiding cover 80 for accommodating the cooling fan 70 are provided in the installation cavity 11, as shown in fig. 3 and 9, the wind guiding cover 80 is communicated with an air outlet 601 on the casing 10, the wind guiding cover 80 comprises a main body 83 and a limit part 84, the main body 83 is fixed above the reflecting cover 20, and the limit part 84 is bent from the main body 83 to extend downwards and is matched with the shape of the corner wall.

In this embodiment, the reflection housing 20 is square and has corner walls, the main body of the wind guiding housing 80 is fixed above the reflection housing 20, which is beneficial to directly guiding the heat dissipation air flow blown by the cooling fan 70, and is beneficial to smooth flow of the heat dissipation air flow, and the limit part bends from the main body to extend downwards and is matched with the shape of the corner walls, so that the height space at the corner walls is utilized by the limit part, the wind outlet volume of the wind outlet housing is enlarged, thereby being beneficial to enlarging the discharge amount of the heat dissipation air flow, and improving the heat dissipation efficiency and heat dissipation effect; on the other hand, because the shape phase-match of spacing portion and turning wall, when passing through screw locking with wind scooper 80 and reflector 20, after wind scooper 80 places the reflector 20 top, spacing portion can cooperate with the turning wall, utilize the bending property of turning wall and the square characteristic of casing 10, the turning wall can carry out the circumference spacing to spacing portion for utilize the screw to the in-process of wind scooper 80 locking, avoid wind scooper 80 relative reflector 20 circumference motion, thereby avoid wind scooper 80 skew to cause the installation dislocation to cause wind scooper 80 air leakage and poor problem of dispelling the heat, the assembly success rate is high, the assembly is more labour saving and time saving.

Preferably, as shown in fig. 9, the reflection housing 20 has a laterally extending edge portion, and the wind guiding housing 80 further includes a supporting portion 85 extending laterally outward from the limiting portion, and the supporting portion 85 is held above the edge portion.

The inner bag that the bowl 20 set up edge and shell in realizes better cooperation, promotes the leakproofness of the cooperation position of bowl 20 and inner bag, reduces hot-blast loss, promotes the culinary art effect, and wind scooper 80 sets up the supporting part and holds in edge top, can further realize spacing with the edge laminating, does benefit to simultaneously smoothly guiding the radiating air flow in the wind scooper 80 to the apopore department, avoids radiating air flow's loss, promotes the radiating effect in the installation cavity 11.

Preferably, the air guiding cover 80 includes a volute casing 81 and a volute casing cover 82 covering the volute casing 81, and the main body 83 and the limiting portion 84 are both disposed on the bottom wall of the volute casing 81.

Through setting up spiral case groove 81 and lid and establish the spiral case lid 82 in spiral case groove 81 top, on the smooth and easy basis of discharging of heat dissipation air current, avoid the heat dissipation noise that heat dissipation air current straight line flow out brought, reduce the noise of airing exhaust, moreover, spiral case groove 81 and spiral case lid 82 components of a whole that can function independently set up the assembly of convenient thermantidote 70 isotructure, improve assembly efficiency.

Preferably, as shown in fig. 1, the casing 10 is square, and an air outlet cover 60 is arranged at a corner corresponding to the corner wall, the air outlet hole is formed in the air outlet cover 60, the air outlet cover 60 comprises a cover body provided with the air outlet hole and a folded edge 62 connected with the cover body, and the side wall of the volute groove 81 and the volute cover 82 clamp the folded edge 62.

By arranging the air outlet cover 60 at the corner of the casing 10 corresponding to the corner wall, the air outlet cover 60 is independently arranged to be made of high-temperature resistant materials, the service life of the air outlet cover 60 is prolonged, and meanwhile, the cost of the casing 10 is reduced. The casing 10 is square, the hand feeling of taking of a user is improved, the air outlet cover 60 is arranged at the corner of the casing 10, the rear end face of the casing 10 is not required to be kept away from the wall surface deliberately when the air fryer is placed by the user due to the characteristics of the form of the corner, the air fryer is placed anyway, the air outlet hole can be kept separate from the wall surface by utilizing the corner, the phenomenon that the air outlet cover 60 is directly contacted with the wall surface to cause hot air to blow the wall surface or the wall surface to block the air outlet hole is avoided, the placement is more worry-saving, and the use experience is good. In addition, need not to bulge on the casing 10 and establish the fender muscle, the structure of casing 10 can be simplified in the packing of being convenient for accomodate, and convenient production avoids forming the clearance and hinders, and the outer terminal surface of air-out cover 60 matches in order to form smooth outward appearance face with casing 10 shape, and the convenience of customers cleans the casing 10 surface, and the clearance is more convenient.

The flange 62 is arranged through the wind scooper 80, and the wind scooper 60 is axially limited by clamping the flange 62 through the volute groove 81 and the volute cover 82, so that the wind scooper 60 is simply and reliably positioned.

Specifically, the flange 62 includes a connection portion 621 connected to the cover body and a positioning portion 622 located inside the connection portion 621, the positioning portion 622 is clamped between the volute casing 81 and the volute casing cover 82, and the connection portion 621 is sunk relative to the positioning portion 622 to form a hollow space.

The heat of the air outlet cover 60 is directly transferred to the shell 10 by utilizing the cavity, so that the problems of scalding the hand by touching the user and the like caused by overheat of the shell 10 are avoided, and the use experience of the user is improved. The connecting part 621 sinks relative to the positioning part 622 to form a step surface, so that the heat dissipation gas can be guided to flow to the air outlet hole, and the heat dissipation efficiency is improved.

Preferably, the air fryer further comprises a heat shield 90 covering the reflective shield 20, the body portion being secured to a top surface of the heat shield 90, the heat shield 90 matching the shape of the reflective shield 20.

The heat shield 90 is covered on the top surface of the reflecting cover 20, so that heat of the reflecting cover 20 is prevented from being transferred into the mounting cavity 11, the temperature rise of the mounting cavity 11 is improved, and the service life of the motor 50 and other components is prolonged.

Preferably, as shown in fig. 2, a first through hole 91 is formed in a corner wall, and the heat shield 90 and the wind guide cover 80 are respectively provided with a second through hole 92 and a third through hole 93 which are correspondingly communicated with the first through hole, and the opening areas of the first through hole 91, the second through hole 92 and the third through hole 93 are sequentially increased.

By arranging the first through hole 91 and the second through hole 92, the communication between the cooking cavity 12 and the air outlet is facilitated, and by arranging the third through hole 93, the cooking cavity 12 can be discharged from the air outlet after passing through the inner cavity of the air guide cover 80, and the steam outlet effect of the cooking cavity 12 and the heat dissipation effect of the installation cavity 11 are ensured under the condition that the area of the air guide cover 60 does not need to be enlarged.

Preferably, as shown in fig. 10 and 11, the wind scooper 80 is provided with a stud 86 protruding downward, the reflection housing 20 is provided with a screw hole 21 corresponding to the stud 86, and the first fastening member 100 is fastened to the stud 86 through the screw hole 21.

The fixing of the wind scooper 80 to the reflective cover 20 by the first fastener 100 can simplify the assembly, and the assembly efficiency can be further improved by the limit portion of the wind scooper 80 being engaged with the corner wall, and the fixing of the wind scooper 80 is more reliable because the heat insulating material used for the heat insulating cover 90 is generally weaker than the reflective cover 20 made of a metal material, and therefore, the fixing of the wind scooper 80 to the reflective cover 20 is more reliable than the fixing of the wind scooper 80 to the heat insulating cover 90. The stud is protruded downwards at the wind scooper 80, and compared with the mode of arranging the screw hole on the wind scooper 80, the heat dissipation air flow in the wind scooper 80 can be prevented from being lost from the screw hole, and the heat dissipation effect is improved.

More preferably, referring to fig. 1, the motor 50 is provided with a fixing post protruding downward, the reflecting cover 20 is provided with a fixing hole corresponding to the fixing post, and the second fastening member is fastened to the fixing post through the fixing hole.

By fixing the motor 50 and the reflecting cover 20 with the second fastening member, the assembly is simple, and since the heat insulating material used for the heat insulating cover 90 is generally weaker than the reflecting cover 20 made of a metal material, the fixing of the motor 50 and the reflecting cover 20 is more reliable than the fixing of the motor 50 and the heat insulating cover 90.

Preferably, as shown in fig. 11, the first fastener 100 includes a screw 1001 and a lock 1002, the lock 1002 abuts against the lower side of the reflecting cover 20, and the reflecting cover 20 is recessed to form a recess for receiving the lock so that the end surface of the lock is flush with the lower end surface of the reflecting cover 20.

The reflector 20 is provided with the sink to accommodate the lock head, so that on one hand, the lock head can be prevented from being convexly arranged and interfered with the hot air fan 30 and the like below the reflector 20, and on the other hand, the end face of the lock head is flush with the lower end face of the reflector 20 for transition, and compared with the lock head, the lock head is convexly arranged to prevent the hot air fan 30 from being blocked, so that the loss of hot air flow is avoided, and the cooking effect is better.

Example 3

This embodiment provides an air fryer having substantially the same structure as embodiment 2, and details of the manner in which the hood and reflector 20 are secured in embodiment 2 are described in detail.

The embodiment provides an air fryer, referring to fig. 1, including a casing 10, a reflecting cover 20 is disposed in the casing 10, the reflecting cover 20 divides the space in the casing 10 into an installation cavity 11 above and a cooking cavity 12 below, a heating element 40 and a hot air fan 30 are disposed in the cooking cavity 12, a motor 50 for driving the hot air fan 30 to rotate is disposed in the installation cavity 11, a heat-insulating cover 90 is disposed above the reflecting cover 20, a wind-guiding cover 80 with a heat-dissipating air duct disposed therein is further disposed on the upper side of the heat-insulating cover 90, a cooling fan 70 is disposed in the wind-guiding cover 80, a stud 86 extending downwards is disposed at the bottom of the wind-guiding cover 80, as shown in fig. 10, a first avoiding hole 94 corresponding to the stud 86 is disposed on the heat-insulating cover 90, a screw hole 21 corresponding to the stud 86 is disposed on the reflecting cover 20, and a first fastening piece 100 is fastened to the stud 86 through the screw hole 21.

According to the air fryer provided by the utility model, the air guide cover 80 with the heat dissipation air duct is arranged on the upper side of the heat insulation cover 90, so that the heat dissipation air flow blown by the cooling fan 70 is discharged out of the casing 10, the heat dissipation effect is improved, the heat of the reflecting cover 20 is prevented from being directly transferred into the mounting cavity 11 by arranging the heat insulation cover 90, the temperature rise of the mounting cavity 11 is improved, and the service life of the motor 50 and the like is prolonged. By providing the first avoidance holes 94 on the heat shield 90, the first fastener is beneficial to directly locking the wind shield 80 with the reflective shield 20, so that assembly can be simplified, and since the strength of the heat shield material used for the heat shield 90 is weaker than that of the reflective shield 20 made of metal material, the fixing of the wind shield 80 with the reflective shield 20 is more reliable than that of the wind shield 80 with the heat shield 90. The stud 86 extends downward from the air guide cover 80, and compared with the mode of arranging the screw hole 21 on the air guide cover 80, the heat dissipation air flow in the air guide cover 80 can be prevented from being lost from the screw hole 21, and the heat dissipation effect is improved.

Preferably, as shown in fig. 3 and 11, the reflecting cover 20 is provided with the temperature control 22 in a penetrating manner, the temperature control 22 is provided with an outer end part protruding out of the upper end of the reflecting cover 20, the heat shield 90 is provided with a second avoidance hole 95, and the second avoidance hole 95 surrounds the outer end part of the temperature control 22.

Through penetrating the temperature control piece 22 in the reflecting cover 20, the temperature of the cooking cavity 12 can be monitored, and when the temperature of the cooking cavity 12 is too high, the power is cut off, so that the effect of protecting all electric devices of the air fryer is achieved, and the use is safe. The second avoidance holes 95 are formed in the heat shield 90, so that the temperature control piece is prevented from being blown by air flow of the installation cavity 11, the detection of the temperature control piece 22 is prevented from being disturbed, the temperature measurement effect is affected, the temperature control piece 22 is surrounded by the second avoidance holes 95, the exposed height of the tail end of the temperature control piece 2 is reduced, and the detection accuracy of the temperature control piece is guaranteed.

Preferably, the motor 50 is provided with a downwardly extending fixing post, the heat shield 90 is provided with a third avoidance hole corresponding to the fixing post, the reflecting shield 20 is provided with a fixing hole corresponding to the fixing post, and the second fastening member, such as a screw, is fastened to the fixing post through the fixing hole.

Preferably, the bottom wall of the air guide housing 80 is spaced from the heat shield 90 to form an air intake gap between the air guide housing 80 and the heat shield 90.

Through the diapire at wind scooper 80 and heat exchanger 90 interval arrangement, avoid on the one hand that heat exchanger 90 will reflect the heat of cover 20 and directly transmit for wind scooper 80, and then avoid casing 10 overheated influence user's use experience, on the other hand through forming the air inlet clearance, can more do benefit to the air current to flow through the air inlet clearance and take away the heat in the installation cavity 11, improve the radiating effect.

Preferably, as shown in fig. 11, the stud 86 abuts the top surface of the reflective cover 20 through a first relief hole that is in clearance fit with the stud 86. The stud 86 has a hollow portion provided with a thread segment, and the end surface of the stud 86 is provided with a guide surface 861 extending obliquely to the hollow portion. The reflecting cover 20 is provided with a limiting wall 862 surrounding the screw hole 21, the limiting wall 862 extends obliquely towards the hollow part, and the limiting wall 862 is matched with the guide surface 861. Preferably, the tapered end face of the first fastener transitions flush with the lower surface of the reflector 20. Equivalently, the stop wall 862 defines a countersink to accommodate the lock head location.

By arranging the guide surface on the end surface of the stud 86, the first fastener 100 is guided and limited in the process of locking the first fastener 100, so that the assembly alignment time is further shortened, and the assembly efficiency is improved.

In the description of the present utility model, it should be understood that the terms "vertical," "transverse," "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements to be 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.

The description as it relates to "first", "second", etc. in the present utility model is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

The technical solution protected by the present utility model is not limited to the above embodiments, and it should be noted that the combination of the technical solution of any one embodiment with the technical solution of other one or more embodiments is within the scope of the present utility model. While the utility model has been described in detail in the general context and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims (10)

1. The utility model provides an air fryer, includes the casing, be provided with the bowl in the casing, the bowl will the space falls into the installation cavity of top and the culinary art chamber of below in the casing, be provided with heating element and hot-blast fan in the culinary art chamber, set up the drive in the installation cavity the rotatory motor of hot-blast fan, its characterized in that, the top of bowl is provided with the heat exchanger, the heat exchanger upside still is provided with the wind scooper of establishing the heat dissipation wind channel in, be provided with the thermantidote in the wind scooper, the bottom of wind scooper is equipped with downwardly extending's double-screw bolt, the heat exchanger be equipped with the first hole of dodging that the double-screw bolt corresponds, the bowl be equipped with the screw that the double-screw bolt corresponds, the fastener passes the screw locking in the double-screw bolt.

2. The air fryer of claim 1, wherein said reflector is provided with a temperature control member extending therethrough, said temperature control member having an outer end portion protruding from an upper end of said reflector, said heat shield being provided with a second relief aperture, said second relief aperture surrounding an outer end portion of said temperature control member.

3. The air fryer of claim 1, wherein said motor is provided with a downwardly extending fixed post, said heat shield is provided with a third relief aperture corresponding to said fixed post, said reflector is provided with a fixed aperture corresponding to said fixed post, and a fastener is secured to said fixed post through said fixed aperture.

4. The air fryer of claim 1, wherein said bottom wall of said hood is spaced from said heat shield to form an air intake gap between said hood and said heat shield.

5. The air fryer of claim 1, wherein said stud abuts a top surface of said reflector housing through said first relief hole, said first relief hole being in clearance fit with said stud.

6. An air fryer according to claim 1, wherein said stud has a hollow portion provided with a threaded section, and an end face of said stud is provided with a guide surface extending obliquely to said hollow portion.

7. An air fryer according to claim 6, wherein said reflector housing is provided with a retaining wall surrounding said screw hole, said retaining wall extending obliquely toward said hollow portion and engaging said guide surface.

8. The air fryer of claim 1, wherein said fastener tapered end surface transitions flush with a lower surface of said reflector housing.

9. The air fryer of claim 1, wherein said housing is square and provided with an air outlet hood, said air outlet hood having air outlet openings communicating with said heat dissipation air duct, said air outlet hood being located at a corner of said housing.

10. The air fryer of claim 1, wherein said reflective cover defines a first through hole, said heat shield and said air guide cover define a second through hole and a third through hole respectively in corresponding communication with said first through hole, and wherein the opening areas of said first through hole, said second through hole and said third through hole are sequentially increased.