CN219962629U - Air fryer - Google Patents

Abstract

The utility model provides an air fryer, which comprises a shell, wherein a reflecting cover is arranged in the shell, the space in the shell is divided into an upper installation cavity and a lower cooking cavity by the reflecting cover, the reflecting cover comprises a main body part in the middle and a step part extending downwards and outwards from the edge of the main body part, a heating part and a hot fan are arranged below the main body part, a motor for driving the hot fan to rotate is arranged above the main body part, a drawable and movable pot body is arranged in the cooking cavity, the ratio value of the volume V1 of the pot body to the volume V of the air fryer is 0.3-0.5, the ratio value of the distance H1 of the bottom wall of the pot body to the bottom of the shell to the height H of the air fryer is 0.1-0.2, and the ratio value of the distance H2 of the main body part to the top of the shell to the height H of the air fryer is 0.15-0.25. The air fryer designed according to the guidance of the utility model can ensure that the whole machine is not easy to tilt forward when the pot body is pulled when the space utilization rate of the air fryer is between 0.3 and 0.5.

Description

Air fryer

Technical Field

The utility model relates to the technical field of kitchen appliances, in particular to an air fryer.

Background

The air fryer is a cooking utensil for baking food materials by hot air, and has the cooking characteristics of low fat and low oil, so that the air fryer is popular with consumers in recent years. Currently, air fryers on the market are mainly divided into drawer type and flip type air fryers according to structures, and the market share of drawer type air fryers is higher because the price of the drawer type air fryers is relatively low.

As the living standard of people is gradually improved, the types of household appliances are gradually enriched, and how to solve the storage of various kitchen appliances becomes an important problem which puzzles the vast consumers. The drawer type air frying is generally of an up-down layout structure, and the structures of a heating pipe, a fan, a driving motor, a circuit board and the like which are core components of the air frying pot are generally arranged above a cooking cavity, so that the air frying pot is large in volume and height due to the up-down arrangement, and is quite unfavorable for a user to store.

In order to solve the problem of user storage, chinese patent CN202222811149.0 discloses an ultrathin air fryer, which can effectively reduce the height of the air fryer and promote the storability by arranging core components such as a motor, a heating element, a fan and the like at the side of a cooking cavity. However, this scheme is because heating pipe and fan set up in the side of culinary art chamber, and food can't receive the heat radiation of heating pipe, and the stoving effect of food is not good, and simultaneously, heating pipe and fan side are put and are reduced the height of air fryer, but increased the horizontal volume of air fryer, still limited to the promotion of storability.

I patent CN202222626618.1 discloses an ultra-thin air fryer, through designing drawer panel that the drawer type was empty fried, prolonged the drawer panel of air fryer for reduce the height above the drawer in the vision, mould ultra-thin visual effect for the user. However, this solution only provides a visually ultra-thin effect, and does not actually reduce the height of the air fryer, improving the stowability.

Chinese patent CN202222461173.6 discloses an air fryer, and it uses the external rotor fan, sets up driving motor's main part in the cavity at radiator fan middle part, compares in the inner rotor motor commonly used on the market, can effectively reduce the height of air fryer, promotes space utilization, improves the storability of air fryer.

However, the applicant researches find that, although the space utilization rate of the air fryer can be improved by the machine head, the air fryer with a small volume has a larger cooking capacity, when the volume increasing ratio of the pot body capacity to the whole machine is increased to be more than 0.3, the gravity center of the whole machine is changed due to the overweight of the pot body when the pot body is pulled, the machine is easy to tilt forward in the process of pulling the pot body, so that food materials in the pot body are unevenly distributed, and the use experience of a user is affected.

Therefore, the prior art needs to provide a small-volume large-capacity air fryer, and can effectively solve the technical problem that the whole air fryer is easy to tilt forward in the process of pulling the fryer body when the capacity is large.

Disclosure of Invention

In order to solve the technical problem that the whole air fryer is easy to tilt forward in the process of pulling the pot body when the pot body volume and the whole air fryer are relatively large, the utility model provides the air fryer, which can effectively reduce the influence of the pot body to the center of gravity of the whole air fryer in the process of pulling the pot body and avoid the occurrence of forward tilting by reasonably designing the placing height of the pot body and the position of a reflecting cover.

The utility model provides an air fryer, which comprises a shell, wherein a reflecting cover is arranged in the shell, a heat shield is arranged above the reflecting cover, the space in the shell is divided into an upper installation cavity and a lower cooking cavity by the reflecting cover, the reflecting cover comprises a main body part in the middle and a step part which extends downwards and outwards from the edge of the main body part, a heating part and a hot fan are arranged below the main body part, a motor for driving the hot fan to rotate is arranged above the main body part, a drawable and removable pot body is arranged in the cooking cavity, the ratio of the volume V1 of the pot body to the volume V of the air fryer is 0.3-0.5, the ratio of the distance H1 between the bottom wall of the pot body and the bottom of the shell to the height H of the air fryer is 0.1-0.2, and the ratio of the distance H2 between the main body part and the top of the shell to the height H of the air fryer is 0.15-0.25. At present, the space utilization rate (the ratio of the drawer volume to the whole machine volume) of the drawer type air fryer on the market is generally lower than 0.3, the utility model provides the air fryer with the space utilization rate of 0.3-0.5, and the space utilization rate of 0.3-0.5 is high, and the space utilization rate is better, and meanwhile, the space utilization rate is smaller than 0.5, so that the space utilization rate is enough for the arrangement of core components such as heating elements, motors and the like of the air fryer, and the safety and heat dissipation performance of the whole machine are ensured; in order to solve the problem that the whole machine is easy to tilt forwards when the pot body is pulled when the space utilization rate is high, on one hand, the ratio H1/H of the distance H1 between the bottom wall of the pot body and the bottom of the shell to the height H of the whole machine is controlled to be 0.1-0.2, the placing height of the pot body is not too high while the space is provided for heat dissipation at the bottom of the shell, the downward tilting allowance of the pot body is smaller in the process of pulling the pot body, even if the pot body tilts the food in the pot body, the food in the pot body is not excessively tilted and piled up, and the change of the distribution uniformity of the food is smaller; on the other hand, the ratio H2/H of the distance H2 between the main body part of the reflecting cover and the top of the shell to the height H of the whole machine is controlled to be 0.15-0.25, and as the reflecting cover is the installation foundation of the core components of the air fryer, such as a heating element, a fan, a motor and the like, the position of the reflecting cover directly influences the gravity center position of the air fryer, and the gravity center of the whole machine is effectively reduced by controlling the position of the main body part of the reflecting cover, so that the front inclination is not easy to occur in the process of pulling the pot body; the height of the reflecting cover is too high, so that the space of the installation cavity is compressed, the heat dissipation effect is poor, the height of the reflecting cover is too low, the installation cavity is too large, and the space utilization rate is low. The air fryer designed according to the guidance of the utility model can ensure that the whole machine is not easy to tilt forward when the pot body is pulled when the space utilization rate of the air fryer is between 0.3 and 0.5.

Preferably, the ratio of the distance H3 from the upper edge of the pot body to the top of the shell to the height H of the air fryer is 0.25-0.4. The user usually applies thrust to the shell close to the upper edge of the pot body in the process of pulling the pot body, when the pot body is pulled out, the force acted on the shell by the user is not disappeared temporarily, the thrust has the risk of pushing the whole machine, for the air fryer with higher space utilization rate, the action point of the thrust is relatively higher, the ratio H3/H of the distance H3 between the upper edge of the pot body and the top of the shell to the height H of the whole machine is controlled to be between 0.25 and 0.4, and the whole machine is prevented from tilting backwards in the process of pulling the pot body; when H3/H is more than 0.4, the head part of the air fryer is too wide, the space utilization rate of the whole machine is low, and when H3/H is less than 0.25, the action point of the pushing force is too high, so that the air fryer is easy to topple backwards.

Preferably, a protective cover is arranged below the reflecting cover, a hot air cavity is formed by the protective cover and the reflecting cover, the heating piece and the hot air fan are positioned in the hot air cavity, and the height of the hot air cavity is H4, and H4 is more than or equal to 2cm and less than or equal to 3cm. When the height of the hot air cavity is smaller than 2cm, the height of the hot air cavity is too low, the arrangement of the heating pipe and the hot air fan is too compact, the reflecting cover or the protecting cover is easy to touch in the rotating process of the hot air fan, the reliability of the whole machine is affected, and when the height of the hot air cavity is larger than 3cm, the height of the hot air cavity is too high, and the space utilization rate is too low.

Preferably, the heating element is an optical wave tube, the distance between the optical wave tube and the protective cover is H5, H5 is less than or equal to 8mm, and the protective cover and the reflecting cover are grounded. When the heating piece adopts the light wave tube, because the glass is on the outer terminal surface of light wave tube, can't ground through the fastener like the metal heating pipe, consequently need increase the distance between light wave tube and the protection casing, when the distance between light wave tube and the protection casing is less than 8mm, the distance between light wave tube and the protection casing is too near, and for safety reasons, utilize the fastener to fix protection casing and reflector and ground connection, the fastener plays fixed and the effect of ground connection simultaneously, has promoted safety in utilization when simplifying the structure.

Preferably, the installation cavity is internally provided with a wind scooper, the wind scooper comprises a wind guiding part and a wind outlet part which are integrally formed, a cooling fan is arranged in the wind guiding part and positioned above the main body part, and the wind outlet part extends to the step part and is in butt joint with an air outlet of the installation cavity. Because the air utilization rate of the air fryer is higher, the space in the installation cavity is compressed to be unfavorable for heat dissipation of the motor, and in order to improve the heat dissipation effect of the heat dissipation fan in the installation cavity, the air guide cover is arranged in the installation cavity and comprises an air guide part for accommodating the heat dissipation fan and an air outlet part in butt joint with the air outlet, and the area of the air outlet can be enlarged to the greatest extent by extending the air outlet part to the step part of the reflecting cover, so that the air outlet efficiency is improved, and the air outlet effect of the whole machine is improved.

Preferably, the shell is a square shell, and the air outlet is positioned at the corner of the shell. When the shell of the air fryer is square, the air outlet is arranged at the corner of the square shell, and the air outlet is arranged at the corner, so that the air outlet is not blocked by the wall surface to influence the heat dissipation effect when the air fryer is used, and meanwhile, the problem that the air outlet is blocked by the wall surface is solved, so that a blocking rib is not required to be arranged outside the shell and blocked by the wall surface, the whole machine is more concise and attractive in appearance, and convenient to package and transport.

Preferably, an air duct cover plate is arranged above the air guide cover, the shell comprises a top cover, and the air duct cover plate clamps and fixes the circuit board on the top cover. Set up the wind channel apron in wind scooper top, wind channel apron and top cap rigid coupling and with the circuit board clamp fix in the gap between wind channel apron and top cap, wind channel apron on the one hand can surround with the wind scooper and form the heat dissipation wind channel, on the one hand the wind channel apron can play the effect of circuit board mount, has omitted the circuit board mount, and the complete machine can do more frivolously when saving the cost, and space utilization is higher.

Preferably, the air duct cover plate is provided with a through heat dissipation hole, and the heat dissipation hole is positioned below the circuit board. And the air duct cover plate is provided with a through radiating hole, and the radiating hole can radiate the circuit board to avoid overheat damage of the circuit board.

Preferably, the motor is connected with the main body part through a fastener, the reflecting cover is convexly provided with a clearance groove, and the end part of the fastener is accommodated in the clearance groove. The reflector is upwards protruded to form a clearance groove for accommodating the end part of the fastening piece, the end part of the fastening piece is not excessively protruded out of the reflector, and the end part of the fastening piece cannot squeeze the installation space of the heating piece and the hot fan in the vertical direction.

Preferably, the space-avoiding groove is projected on a horizontal plane to fall into an area surrounded by the outer edge of the hot air fan. The projection of the clearance groove on the horizontal plane falls into the area formed by the periphery of the hot fan, the air flow generated by the hot fan cannot flow through the clearance groove, the clearance groove cannot interfere the flow of the air flow, and the air outlet smoothness is ensured.

Compared with the prior art, the utility model has at least the following technical effects: according to the utility model, the structural layout of the air fryer is designed, so that the technical problem of forward tilting of the machine body caused by gravity center change in the drawer drawing process when the space utilization rate of the air fryer is between 0.3 and 0.5 is solved, the proportion of the placement height of the drawer to the whole machine is controlled to be between 0.1 and 0.2, the proportion of the distance between the reflecting cover and the top cover to the height of the whole machine is controlled to be between 0.15 and 0.25, the forward tilting of the machine body in the drawer drawing process is not easy to occur, and the heat dissipation of the whole machine can be ensured under the condition that the whole machine layout is compact.

Drawings

FIG. 1 is a cross-sectional view of an air fryer in accordance with one embodiment of the utility model.

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

FIG. 3 is an exploded view of an air fryer in accordance with one embodiment of the utility model.

FIG. 4 is a partial exploded view of an air fryer in accordance with one embodiment of the present utility model.

Fig. 5 is a schematic structural view of a wind scooper according to an embodiment of the present utility model.

FIG. 6 is a schematic diagram of the structure of a wind scooper, a heat shield, and a reflective cover according to an embodiment of the present utility model.

Fig. 7 is a schematic diagram of a motor, a reflector, and a heat shield according to an embodiment of the utility model.

Fig. 8 is an enlarged partial view of the circular area of fig. 7.

FIG. 9 is a schematic view of a duct cover according to an embodiment of the present utility model.

The meaning of each label in the figures is as follows: 1. a housing; 10. a mounting cavity; 103. an air inlet; 101. an air outlet; 102. an air outlet cover; 11. a top cover; 12. large body; 121. a wind scooper; 1211. an air outlet part; 1212. an air guide part; 122. an air duct cover plate; 1221. a heat radiation hole; 13. a circuit board; 2. a pot body; 20. a cooking cavity; 3. a reflection cover; 31. a main body portion; 311. an empty-avoiding groove; 32. a step portion; 4. a heat shield; 5. a motor; 51. a fastener; 6. a heat radiation fan; 7. a hot fan; 8. a heating member; 9. and a protective cover.

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, however, 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.

In addition, in the description of the present utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings, 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 referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The positional relationship of "upstream", "downstream" and the like is based on the positional relationship when the fluid normally flows.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are 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 one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

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.

The present utility model will be described in detail with reference to fig. 1 to 9.

Embodiment one.

The embodiment provides an air fryer, which comprises a shell 1, be provided with the reflector 3 in the shell 1, the reflector 3 is cut apart into the installation cavity 10 of reflector 3 top and the culinary art chamber 20 of reflector 3 below with the space in the shell 1, be provided with the pot body 2 that can pull out in the culinary art chamber 20, be provided with heating element 8 and hot-blast fan 7 above the pot body 2 in the culinary art chamber 20, be provided with the rotatory motor 5 of drive hot-blast fan 7 in the installation cavity 10, motor 5 drives the rotation of hot-blast fan 7, the air current that the rotation of hot-blast fan 7 produced forms hot-blast through the heating of heating element 8, hot-blast blowing in pot body 2, toast the food in the pot body 2.

Here, this embodiment leads to a concept of "space utilization", which is the ratio of the volume V1 of the pot 2 (drawer) to the volume V of the whole machine for the drawer-type air fryer. The space utilization rate of the drawer type air fryer on the market at present is generally less than 0.3 (30%), the space utilization rate is low, and in order to improve the accommodating property of the air fryer, the space utilization rate of the air fryer in the embodiment is between 0.3 and 0.5.

Because the user can be with the baking state of the interior edible material of pot body 2 of half taking out of the pot body 2 when using the air fryer to cook generally, when the empty utilization ratio of air fryer promotes more than 0.3, pull pot body 2 in-process pot body 2 can downward sloping, and pot body 2 can produce the action of similar seesaw to make whole air fryer have the trend of overturning forward. Therefore, for the air fryer with the space utilization rate higher than 0.3, it is important to solve the problem that the whole machine tilts forward in the process of pulling the pot body 2.

In this embodiment, the reflecting cover 3 includes the body 31 in the middle part and step part 32 extending outwards from edge of body 31 downward, the motor 5 is installed above body 31, the heating element 8 and hot air fan 7 are installed below body 31, because body 31 of reflecting cover 3 is the installation foundation of the heating element 8, hot air fan 7, motor 5, etc., the position of body 31 of reflecting cover 3 decides the position of the gravity center of the whole machine to a great extent, the utility model limits the ratio H1/H of the bottom wall of pan 2 and bottom of shell 1 to air frying pan height H between 0.1-0.2, on one hand, provide sufficient heat dissipation space for bottom of shell 1, on the other hand the installation position of pan 2 will not be too high, can offer the downward tilting space of pan 2 smaller when pan 2 is pulled out, even though pan 2 tilts food in pan 2 will not excessively tilt and accumulate; meanwhile, the ratio H2/H of the distance H2 between the main body part 31 of the reflecting cover 3 and the top of the shell 1 and the height H of the air fryer is limited to be 0.15-0.25, and the gravity center of the whole machine is effectively lowered by controlling the position of the main body part 31 of the reflecting cover 3, so that the pot body 2 is not easy to tilt forwards in the process of pulling; the excessive height of the main body 31 of the reflecting cover 3 causes the space compression of the installation cavity 10, the heat dissipation effect is poor, the excessive height of the main body 31 of the reflecting cover 3 is low, the installation cavity 10 is excessively large, and the space utilization rate is low. The air fryer designed according to the guidance of the utility model can ensure that the whole machine is not easy to tilt forward when the pot body 2 is pulled when the space utilization rate of the air fryer is between 0.3 and 0.5.

In this embodiment, the casing 1 of the air fryer refers to a casing that encloses the body of the air fryer, and may be integrally formed or formed by split-type splicing. The height H of the air fryer in this embodiment refers to the height of the highest point of the air fryer from the table top when the air fryer is placed on the table top, and similarly, the distance between the bottom wall of the pot body 2 and the bottom of the housing 1 refers to the height between the plane in which the bottom wall of the pot body 2 is located and the table top.

In this embodiment, the interface of the reflecting cover 3 is in a shape of a Chinese character 'ji' with a convex middle part, the middle part of the reflecting cover 3 is convex upwards to form a main body part 31, the motor 5 is arranged above the main body part 31, and the hot air fan 7 and the heating element 8 are arranged below the main body part 31. The edge of the main body 31 extends downward and outward to form a stepped portion 32. It will be appreciated that the number of steps 32 may be one or more.

It will be appreciated that the space utilization of the air fryer of this embodiment may be 0.3, 0.35, 0.4, 0.45, 0.48, 0.5, etc., as long as V1/V values between 0.3-0.5 are satisfied.

It is understood that in this embodiment, H1/H may be 0.1, 0.12, 0.15, 0.17, 0.19, 0.2, etc., as long as the H1/H is satisfied to be between 0.1 and 0.2.

It is understood that in this embodiment, the H2/H may be 0.15, 0.2, 0.25, etc., as long as the H2/H value is between 0.15 and 0.25.

The height H of the air fryer in this embodiment is smaller than the length L and the width W of the air fryer, that is, the whole air fryer of the utility model is relatively short and fat in shape, the gravity center of the whole machine is lower, the contact area between the whole machine and the table top is relatively larger, the friction force is larger, and toppling is less likely to happen in the process of pulling the pot body 2.

As a preferred embodiment of the utility model, the ratio H3/H of the distance H3 between the upper edge of the pot body 2 and the top of the shell 1 to the height H of the whole machine is between 0.25 and 0.4. Because the user can frequently pull the pot body 2 to check the state of food materials in the process of using the air fryer, the thumb of the user can normally apply thrust to the shell 1 close to the upper edge of the pot body 2 in the process of pulling the pot body 2, when the force acted on the shell 1 by the user is temporarily not disappeared at the moment of pulling out the pot body 2, the thrust has the risk of pushing the whole machine, for the air fryer with higher space utilization rate, the action point of the thrust is relatively higher, the ratio H3/H of the distance H3 between the upper edge of the pot body 2 and the top of the shell 1 and the height H of the whole machine is controlled to be between 0.25 and 0.4, and the whole machine is ensured not to incline backwards in the process of pulling the pot body 2; when H3/H is more than 0.4, the head part of the air fryer is too wide, the space utilization rate of the whole machine is low, and when H3/H is less than 0.25, the action point of the pushing force is too high, so that the air fryer is easy to topple backwards. It is understood that the H3/H value may be 0.25, 0.3, 0.35, 0.4, provided that the H3/H value is between 0.25 and 0.4.

In order to avoid safety risk caused by touching the heating element 8 or the hot air fan 7 by a user during the process of using the air fryer, a protective cover 9 is arranged below the heating element 8 and the hot air fan 7, the protective cover 9 and the reflecting cover 3 are enclosed to form a hot air cavity, and hot air generated by the hot air assembly enters the cooking cavity 20 through the hot air cavity to bake food materials in the cooking cavity 20. In this embodiment, the height H4 of the hot air cavity is between 2cm and 3cm, the height of the hot air cavity is too high, the improvement of the space utilization rate of the whole machine is not utilized, the reflecting cover 3 or the protecting cover 9 is easily touched in the rotating process of the hot air fan 7 with too low height of the hot air cavity, and the reliability of the whole machine is affected.

It will be appreciated that in this embodiment, the heating element 8 may be an optical wave tube, a metallic heating tube or other heating device. When the heating element 8 is a metal heating tube, the metal heating tube is generally fixed on the reflecting cover 3 through a metal fastener, and the metal heating tube is indirectly grounded through the metal fastener due to the fact that the reflecting cover 3 is connected with a ground wire, so that use safety can be guaranteed. When heating member 8 is the light wave pipe, owing to be the glass pipe on the light wave pipe outer terminal surface, the metal fastener of fixed light wave pipe can't be with light wave pipe and reflector 3 ground connection, and the unable ground connection of light wave pipe is in order to avoid the risk that light wave pipe is not grounded and is produced the electric leakage, and the distance between light wave pipe and the protection casing 9 of current air fryer is generally greater than 8mm, and great distance can prevent that light wave pipe from passing through the protection network when electric leakage on the user's hand. In the utility model, in order to improve the space utilization rate of the whole air fryer, the heating element 8 adopts the light wave tube, and meanwhile, the distance between the light wave tube and the protective cover 9 is smaller than 8mm, so as to avoid the safety risk caused by the electric leakage of the light wave tube transmitted from the protective cover 9 to the hands of a user, the protective cover 9 is connected with the reflecting cover 3 through a metal fastener, and the protective cover 9 is connected with the reflecting cover 3 through the metal fastener to realize the indirect grounding of the protective cover 9, thereby avoiding the electric leakage risk.

As a preferred embodiment of the utility model, the heating element 8 is a light wave tube, the light wave tube is in an annular structure, the light wave tube surrounds the periphery of the hot air fan 7, the light wave tube and the hot air fan 7 are overlapped in the vertical direction, so that the height of a hot air cavity can be effectively reduced, the space utilization rate of the whole machine is improved, and meanwhile, as the light wave tube can generate heat radiation in the working process, the heat radiation can cook food materials, and the coloring effect of the food materials is improved.

As a preferred embodiment of the present utility model, the motor 5 is fixed to the main body 31 of the reflecting cover 3 by the fastening member 51, the main body 31 of the reflecting cover 3 is formed with the space-avoiding groove 311 in a convex shape, and the end of the fastening member 51 is accommodated in the space-avoiding groove 311. The fastener 51 is generally a screw, and the screw head is accommodated in the clearance groove 311 to avoid the screw head from occupying the installation space of the heating element 8 and the hot air fan 7, thereby being beneficial to reducing the volume of the hot air cavity. In order to avoid that the air flow generated by the thermal fan 7 is disturbed by the air-avoiding groove 311, the projection of the air-avoiding groove 311 on the horizontal plane falls into the area formed by the periphery of the thermal fan 7.

As a preferred embodiment of the present utility model, the heat dissipation fan 6 is disposed in the installation cavity 10, the motor 5 can drive the heat dissipation fan 7 and the heat dissipation fan 6 to rotate simultaneously, the air inlet 103 and the air outlet 101 of the installation cavity 10 are disposed on the housing 1, the air outlet 101 is provided with the air outlet cover 102, when the heat dissipation fan 6 rotates, negative pressure can be generated, and air flow outside the housing 1 can be sucked into the installation cavity 10 to dissipate heat of electronic components such as the motor 5 and the circuit board 13 in the installation cavity 10. Because the space utilization rate of the air fryer is higher, the machine head part is relatively light and thin, particularly the space of the installation cavity 10 is relatively small, the small space is not beneficial to heat dissipation, in order to improve the heat dissipation effect of the installation cavity 10, the air guide cover 121 is arranged in the installation cavity 10, the air guide cover 121 is provided with the air duct cover plate 122 in a covering manner, the air duct cover plate 122 and the air guide cover 121 are encircled to form a heat dissipation air duct, the outlet of the heat dissipation air duct is aimed at the air outlet 101 of the installation cavity 10, the air guide cover 121 comprises an integrally formed air guide part 1212 and an air outlet part 1211, the heat dissipation fan 6 is arranged in the air guide part 1212, the air guide part 1212 is arranged above the main body part 31 of the reflection cover 3, and the air outlet part 1211 extends to the step part 32 of the air guide cover 121 to be butted with the air outlet 101. So set up, the wind scooper 121 can form the guide to the air current circulation in the installation cavity 10, the cold wind that flows in from air intake 103 enters into wind scooper 121 through the entry of wind scooper 121, throw away from air outlet 101 under radiator fan 6's effect, because the air-out portion 1211 of wind scooper 121 downwardly extending to the step portion 32 of reflector 3, the area of air outlet 101 is promoted to the very big degree of setting up like this, promote air-out efficiency, simultaneously, step portion 32 can carry out spacing to air-out portion 1211, guarantee that the installation of wind scooper 121 is firm, and the air current through air-out portion 1211 can dispel the heat to step portion 32, improve the radiating effect of installation cavity 10. In this embodiment, an air inlet gap exists between the air guide cover 121 and the reflecting cover 3, an inlet of the air guide cover 121 is arranged at the bottom, air flow entering the air inlet gap enters the air guide cover 121 through the inlet of the air guide cover 121, is discharged from the air outlet 101 through an outlet of the air guide cover 121 under the action of the cooling fan 6, and dissipates heat of the installation cavity 10, and because the air flow flows strictly according to a preset path, the heat dissipation effect is good.

As a preferred embodiment of the present utility model, the housing 1 includes a top cover 11 and a main body 12, an opening is provided above the main body 12, the top cover 11 is covered at the opening of the main body 12, and a second air inlet is provided between the top cover 11 and the main body 12, which can increase the air intake of the installation cavity 10, and improve the heat dissipation effect of the installation cavity 10. In the utility model, the air duct cover plate 122 is fixed on the top cover 11 through the screws, the circuit board 13 is clamped between the air duct cover plate 122 and the top cover 11, and the air duct cover plate 122 simultaneously plays a role of forming an air duct and a support of the circuit board 13 by surrounding the air guide cover 121. In order to further improve the heat dissipation effect of the circuit board 13, the air duct cover plate 122 is provided with a penetrating heat dissipation hole 1221, the heat dissipation hole 1221 is located below the circuit board 13, and because the air duct cover plate 122 is provided with a heat dissipation air duct below, air flow in the heat dissipation air duct can take away heat generated by the circuit board 13, and damage of the circuit board 13 due to overheating is avoided. It will be appreciated that the circuit board 13 herein may be one or more of a touch pad, a power panel, and an integrated board of a display panel.

As a preferred embodiment of the present utility model, in order to further reduce the temperature of the installation cavity 10, a heat shield 4 is disposed above the reflective shield 3, the shape of the heat shield 4 is matched with that of the reflective shield 3, the heat shield 4 is made of a heat-insulating material, and the heat shield 4 can effectively reduce the heat transfer of the reflective shield 3 into the installation cavity 10. The below of wind scooper 121 is provided with the fixed column, and heat exchanger 4 is provided with the hole of dodging the fixed column, and the fixed column passes and dodges the hole and pass through screw fixed connection with the reflector 3 of heat exchanger 4 below.

As a preferred embodiment of the present utility model, the reflecting cover 3 is a square reflecting cover 3, the step portion 32 of the air guiding cover 121 is installed at a corner of the square reflecting cover 3, and the corner can pre-position the reflecting cover 3, so that the reflecting cover 3 is prevented from rotating in the fixing process, the precise positioning of the reflecting cover 3 can be ensured, and the installation efficiency is improved.

As a preferred embodiment of the present utility model, the air fryer is a square air fryer, the housing 1 is a square housing 1, and the air outlet 101 is provided at a corner of the square housing 1. The air outlet 101 of the air fryer on the market at present is generally arranged on the rear wall surface of the shell 1, in order to avoid the phenomenon that the air outlet 101 is blocked by a wall surface and cannot dissipate heat, the rear end of the air outlet 101 of the air fryer is generally provided with a convex blocking rib, the blocking rib can prevent the air outlet 101 from being directly attached to the wall surface, but the existence of the blocking rib influences the tidy and attractive appearance of the outer end surface of the air fryer, and meanwhile, the air fryer is not beneficial to transportation and packaging. According to the utility model, the air outlet 101 is arranged at the corner of the square shell 1, so that the air outlet 101 of the air fryer is not blocked by a wall surface anyway, and therefore, no substantial rib is required to be blocked outside the shell 1. It will be appreciated that the air outlet 101 may be located elsewhere. In the present utility model, the square housing 1 means that the projection of the housing 1 on the horizontal plane is square or rounded square.

It can be understood that in this embodiment, the reflective cover 3 is provided with a first air outlet that is through, the heat shield 4 is provided with a second air outlet that is through, the air guide cover 121 is provided with a third air outlet that is through, the first air outlet, the second air outlet and the third air outlet are in butt joint, and heat in the cooking cavity 20 enters the heat dissipation air duct through the first air outlet, the second air outlet and the third air outlet, and is discharged from the air outlet 101 under the driving of air flow in the heat dissipation air duct.

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, i.e. all equivalent changes and modifications that may be made in accordance with the present utility model are covered by the appended claims, which are not intended to be construed as limiting.

Claims (10)

1. The utility model provides an air fryer, includes the casing, is equipped with the bowl in the casing, the bowl top is provided with the heat exchanger, the bowl will the space separates into the installation cavity of top and the culinary art chamber of below in the casing, the bowl includes the main part at middle part and the step portion that outwards extends downwards from main part edge, the below of main part is provided with heating element and hot fan, the top of main part is provided with the drive the rotatory motor of hot fan, the culinary art intracavity is provided with the pot body that can pull out, its characterized in that, the volume V1 of pot body with the volume V of air fryer's ratio value is 0.3 ~ 0.5, the bottom wall of pot body is apart from the distance H1 of the bottom of casing with the ratio value of the height H of air fryer is 0.1 ~ 0.2, the main part is apart from the distance H2 at the top of casing with the ratio value of the height H of air fryer is 0.15 ~ 0.25.

2. The air fryer of claim 1, wherein the ratio of the distance H3 of the upper rim of said body from the top of said housing to the height H of said air fryer is between 0.25 and 0.4.

3. The air fryer of claim 1, wherein a protective cover is arranged below said reflective cover, said protective cover and said reflective cover enclose a hot air cavity, said heating element and said hot air fan are positioned in said hot air cavity, and the height of said hot air cavity is H4,2cm < H4 < 3cm.

4. An air fryer according to claim 3, wherein said heating element is a lightwave tube, the distance between said lightwave tube and said shield is H5, H5 is less than or equal to 8mm, and said shield is grounded to said reflector.

5. The air fryer of any one of claims 1-4, wherein said mounting cavity is internally provided with a wind scooper, said wind scooper comprising an integrally formed wind scooper and an air outlet, said wind scooper being internally provided with a cooling fan and located above said main body, said air outlet extending to said step and interfacing with an air outlet of said mounting cavity.

6. The air fryer of claim 5, wherein said housing is a square shaped housing, said air outlet being located at a corner of said housing.

7. The air fryer of claim 5, wherein said air cap is provided with an air duct cover above said air cap, said housing including a top cover, said air duct cover clamping and securing a circuit board to said top cover.

8. The air fryer of claim 7, wherein said tunnel cover plate is provided with heat dissipation holes therethrough, said heat dissipation holes being located below said circuit board.

9. The air fryer of claim 1, wherein said motor is coupled to said main body portion by a fastener, said reflector is upwardly convex to form a void-avoidance slot, and an end of said fastener is received in said void-avoidance slot.

10. An air fryer according to claim 9, wherein said void-avoidance slot is projected in a horizontal plane to fall within an area defined by the outer periphery of said hot air fan.