CN110250923B - Air of quick air-out is fried pot - Google Patents
Air of quick air-out is fried pot Download PDFInfo
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- CN110250923B CN110250923B CN201810584636.3A CN201810584636A CN110250923B CN 110250923 B CN110250923 B CN 110250923B CN 201810584636 A CN201810584636 A CN 201810584636A CN 110250923 B CN110250923 B CN 110250923B
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- 238000007599 discharging Methods 0.000 claims abstract description 5
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- 230000009471 action Effects 0.000 description 15
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- 238000007789 sealing Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010411 cooking Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
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- 230000000903 blocking effect Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
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- 206010053615 Thermal burn Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
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- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0629—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with electric heating elements
- A47J37/0641—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with electric heating elements with forced air circulation, e.g. air fryers
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- Baking, Grill, Roasting (AREA)
- Frying-Pans Or Fryers (AREA)
Abstract
The invention discloses an air fryer capable of rapidly discharging air, which comprises an upper shell and a lower shell, wherein the upper shell is provided with an air inlet, a motor, an air guide cover and a hot air assembly are arranged in the upper shell, the hot air assembly comprises a fan and a heating element, the motor is positioned above the air guide cover, a motor shaft of the motor penetrates through the air guide cover and then is connected with the fan, the lower shell is provided with a cavity, the fryer is arranged in the cavity, the air guide cover comprises a cover body and a bottom cover, the cover body and the bottom cover surround to form an air gathering cavity, the fan is positioned in the air gathering cavity and is an axial fan, the center of the top of the cover body is provided with a shaft hole through which the motor shaft penetrates, the top of the cover body is provided with an air gathering hole communicated with the air inlet, the air gathering hole is arranged around the shaft hole, the bottom cover is provided with a plurality of air outlet gaps, and the heating element is positioned below the bottom cover. According to the technical scheme of the invention, the air outlet speed of the air fryer is effectively improved.
Description
Technical Field
The invention belongs to the field of kitchen appliances, and particularly relates to an air fryer capable of rapidly discharging air.
Background
The existing air fryer comprises an upper shell and a lower shell, wherein a motor, an air guide cover and a hot air assembly are arranged in the upper shell, the hot air assembly comprises a fan and a heating element, the fan is a centrifugal fan, the motor is positioned above the air guide cover, a motor shaft of the motor penetrates through the air guide cover and then is connected with the fan, a cavity is arranged in the lower shell, a fryer is arranged in the cavity, in the working process, the motor drives the centrifugal fan to rotate, and air is sucked from the middle of the centrifugal fan to the air outlet edge, so that air flow generated by the centrifugal fan can be obliquely downwards ejected from the periphery of the heating element under the reflection action of the air guide cover and enters the fryer to heat food in the fryer, and then the air flow is returned to the centrifugal fan after being reflected by the fryer assembly to participate in next circulation. Therefore, in the prior art, the air guide cover plays a role in reflection, so that the air flow is prevented from flowing upwards, the air flow is smoothly guided into the fryer of the lower shell downwards, the air flow is difficult to collide with the air guide cover, the speed and the pressure of the air flow are attenuated, the air flow is not favorable for flowing fast, and the heating efficiency of the air fryer is low.
Disclosure of Invention
The invention aims to provide an air fryer capable of rapidly discharging air.
In order to solve the technical problem, the invention provides an air fryer capable of rapidly discharging air, which comprises an upper shell and a lower shell, wherein the upper shell is provided with an air inlet, the upper shell is internally provided with a motor, an air guide cover and a hot air assembly, the hot air assembly comprises a fan and a heating element, the motor is positioned above the air guide cover, a motor shaft of the motor penetrates through the air guide cover and then is connected with the fan, the lower shell is provided with a cavity, the cavity is internally provided with the fryer, the air guide cover comprises a cover body and a bottom cover, the cover body and the bottom cover surround to form an air gathering cavity, the fan is positioned in the air gathering cavity, the fan is an axial flow fan, the center of the top of the cover body is provided with a shaft hole through which the motor shaft penetrates, the top of the cover body is provided with an air gathering hole communicated with the air inlet, the air gathering hole is arranged around the shaft hole, the bottom cover is provided with a plurality of air outlet gaps, and the heating element is positioned below the bottom cover.
Further, the bottom cover comprises a circular base plate, and a plurality of air outlet gaps are formed in the base plate.
Furthermore, a plurality of air outlet gaps are uniformly distributed around the center of the substrate.
Further, the bottom cover comprises a circular base plate, a plurality of guide plates which are turned upwards are arranged on the base plate, and an air outlet gap is formed between each guide plate and the base plate.
Further, a plurality of guide plates are evenly distributed around the center of the base plate.
Furthermore, the deflector is by the local punching moulding that makes progress of base plate, have the difference in height between deflector one side and the base plate in order to form the air-out gap.
Further, the substrate is in a shape that the middle part is higher than the peripheral parts; or the substrate is in a frustum shape.
Further, the bottom cover further comprises an installation surrounding edge arranged around the base plate, the installation surrounding edge is connected with the upper shell, the installation surrounding edge is located on the periphery of the cover body, and the bottom of the cover body is abutted to the base plate.
Furthermore, the installation surrounding edge extends outwards to form an installation flange, and the installation flange is connected with the upper shell through a fastening piece.
Further, the air outlet gap is an arc-shaped gap.
The invention has the beneficial effects that:
1. the wind scooper comprises a cover body and a bottom cover, the cover body and the bottom cover surround to form a wind gathering cavity, the fan is located in the wind gathering cavity, the fan is an axial fan, a shaft hole for a motor shaft to penetrate through is formed in the center of the top of the cover body, a wind gathering port communicated with the air inlet is formed in the top of the cover body and surrounds the shaft hole, and a plurality of air outlet gaps are formed in the bottom cover. Compared with the wind scooper only provided with the cover body in the prior art, the wind scooper also comprises the bottom cover, so that the wind scooper can form a wind gathering cavity, meanwhile, the arrangement of the air outlet gap on the bottom cover improves the air outlet pressure and the air outlet speed, can realize quick air outlet, and can form high-pressure high-speed airflow which can form high-pressure high-speed heat flow under the heating action of the heating element, thereby improving the cooking efficiency of the air fryer, and set up heating element in the below of bottom can make heating element be located outside gathering the wind chamber, touch heating element when the blade that can avoid the fan is rotatory and cause dangerous phenomenon to take place on the one hand, the heat that on the other hand heating element produced hardly reverses the phenomenon that gathers wind gap transmission to motor and burn out the motor through the wind scooper and takes place, need not additionally to set up specially to carry out radiating fan to the motor like this. In addition, adopt the gap air-out, can ensure that the air intake of going up the casing is in the low pressure region, cold wind can smoothly get into and gather the wind chamber for gather the cold wind of wind intracavity and can obtain supplementing in time, and then do benefit to the improvement of air fryer heating efficiency. Moreover, the fan and the heating element are separated by the bottom cover, and the bottom cover is provided with the plurality of air outlet gaps, so that when the air fryer works, airflow is injected into the fryer through the plurality of air outlet gaps and cannot be reversed, the air collecting cavity and the fan cannot be polluted by oil smoke, and the part does not need to be cleaned, so that the cleaning efficiency of the air fryer is greatly improved.
2. The bottom cover comprises a circular base plate, a plurality of air outlet gaps are formed in the base plate, the air outlet gaps are uniformly distributed around the center of the base plate, so that the air flow ejected from the air outlet gaps can be ensured to be rotary air flow, the rotary heat flow is favorably formed under the heating effect of the heating element, the rotary heat flow rotates and flows in the frying pan to cook food in the frying pan, the food cannot collide with the inside of the frying pan to cause heat loss, and the heating efficiency is favorably improved. In addition, a plurality of air-out gaps are evenly distributed around the center of base plate, gather the air current that the wind intracavity formed and follow the air-out gap and rotate downwards and jet out, and this kind of mechanism of air-out downwards mainly relies on and gathers wind chamber high pressure air-out, and the air-out gap is easily machine-shaping, and the structure of bottom is comparatively simple.
3. The bottom cover comprises a circular base plate, a plurality of guide plates which are upwards turned are arranged on the base plate, an air outlet gap is formed between each guide plate and the base plate, the guide plates are uniformly distributed around the center of the base plate, so that the air flow ejected from the air outlet gap can be ensured to be rotary air flow, the rotary heat flow is favorably formed under the heating action of the heating element, the rotary heat flow rotates and flows in the frying pan to cook food in the frying pan, and the rotary heat flow cannot collide with the inside of the frying pan to cause heat loss, so that the heating efficiency is favorably improved.
4. The deflector is by the local stamping forming that makes progress of base plate, has the difference in height in order to form the air-out gap between deflector one side and the base plate, and the mechanism of this kind of side air-out for original air current still most rotatory jets out, has kept the original rotational speed of air current, under heating element's heating effect, does benefit to the rotatory air current of high temperature high pressure of quick formation, and then has greatly shortened the culinary art time, and heating efficiency is mentioned by a wide margin.
5. The base plate is the shape that the middle part is higher the part is low all around, perhaps, the base plate is the frustum form, and the homoenergetic plays the effect of direction, and the guide gathers the air current in the wind cavity and slides from the middle part of base plate to the part all around of base plate, and rotation range grow gradually, can form the air current that rotation range is bigger after blowing out from the air-out gap, is favorable to improving the area that the interior thermal current of fryer blows, and then is favorable to improving heating efficiency.
6. The bottom still includes the installation surrounding edge that sets up around the base plate, and the installation surrounding edge is connected with last casing, and the installation surrounding edge is located cover body periphery, can locate the below of the cover body with the bottom cover through the installation surrounding edge like this, and it is comparatively convenient to install, and cover body bottom and base plate butt have moreover strengthened the contact strength between the cover body and the bottom, under the condition of quick air-out, can not take place to rock between the cover body and the bottom.
7. The installation surrounding edge extends outwards to form an installation flange, the installation flange is connected with the upper shell through a fastener, and the installation structure is convenient to install and can reduce the cost of the installation structure.
8. The air outlet gap is an arc-shaped gap, so that airflow formed after gathering and pressurizing in the air gathering cavity can be ejected from the air outlet gap of the bottom cover in a rotating mode, the rotating airflow forms rotating heat flow under the heating effect of the heating element, the heat flow can not collide with the inner portion of the lower shell in the rotating and sinking process to cause heat loss, and the heat flow can rotate in the frying pan to cause heat loss due to collision with the frying pan.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a schematic cross-sectional view of an air fryer in accordance with an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the wind scooper of FIG. 1;
FIG. 3 is a schematic structural view of the bottom cover in FIG. 2;
FIG. 4 is a schematic cross-sectional view of an air fryer in accordance with a second embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of the wind scooper of FIG. 4;
FIG. 6 is a schematic structural view of the bottom cover in FIG. 5;
FIG. 7 is a schematic structural view of a triple air fryer in accordance with an embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view of an upper housing according to a fourth embodiment of the present invention;
FIG. 9 is a schematic partial sectional view of an upper shell according to a fifth embodiment of the present invention;
fig. 10 is a schematic cross-sectional view of an upper housing in the sixth embodiment of the present invention.
Detailed Description
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments of the present invention may be arbitrarily combined with each other without conflict.
The structure of the air fryer is shown in fig. 1 to 10, and comprises an upper shell 1 and a lower shell 2, wherein the upper shell 1 and the lower shell 2 are both made of heat-resistant plastic, the upper shell 1 is provided with an air inlet 11, the upper shell 1 is internally provided with a motor 3, an air guide cover 4 and a hot air assembly 5, the lower shell 2 is provided with a cavity 21, the cavity 21 is internally provided with a fryer 22, the hot air assembly 5 is positioned below the air guide cover 4, the hot air assembly 5 comprises a fan 51 and a heating element 52, the heating element 52 is positioned below the fan 51, the motor 3 is positioned above the air guide cover 4, a motor shaft 31 of the motor 3 penetrates through the air guide cover 4 and then is connected with the fan 51, the center of the top of the air guide cover 4 is provided with a shaft hole 41 for the motor shaft 31 to penetrate, the top of the air guide cover 4 is also provided with a wind gathering hole 42 with the air inlet 11, the wind gathering hole 42 is arranged around the shaft hole 41, the fan 51 is an axial flow fan, and when the air fryer works, the motor 3 drives the fan 51 to rotate, the cold air is sucked into the upper shell 1 from the air inlet 11, the cold air entering the upper shell 1 enters the air guide cover 4 through the air gathering port 42, the cold air entering the air guide cover 4 forms an air flow under the adsorption action of the fan 51, the air flow moves downwards to form a heat flow under the heating action of the heating element 52, and the heat flow flows downwards to enter the fryer 22 and flows in the fryer 22 to cook food in the fryer 22. Therefore, the air flow formed by the cold air in the air guide cover 4 under the action of the fan 51 directly moves downwards and is difficult to collide with the air guide cover 4, so that the speed and the pressure of the air flow are not attenuated, and the air flow can rapidly flow downwards, and the air fryer disclosed by the invention has higher heating efficiency.
The first embodiment is as follows:
as shown in fig. 1 to 3, the air fryer of the present embodiment includes an upper casing 1 and a lower casing 2, both the upper casing 1 and the lower casing 2 are made of heat-resistant plastic, the upper casing 1 and the lower casing 2 are hinged by a hinge shaft 10, such that the upper casing 1 is rotatably disposed above the lower casing 2, the upper casing 1 is provided with an air inlet 11, the air inlet 11 is located at the top of the upper casing 1, the upper casing 1 is provided with a motor 3, an air guiding cover 4 and a hot air assembly 5, the lower casing 2 is provided with a cavity 21, a fryer 22 is disposed in the cavity 21, the fryer 22 is disposed in the cavity 21 along a vertical direction, one side of the fryer 22 is provided with a fryer handle 23, the lower casing 1 is provided with a notch for accommodating the fryer handle 23, when the fryer handle 23 is mounted in place, the fryer handle 23 closes the notch, so that the cavity 21 is in a relatively sealed state, the fryer handle 23 is a foldable handle, which is convenient for storage, the foldable structure of the fryer handle 23 is prior art, and will not be described in detail herein.
The hot air component 5 is positioned below the wind scooper 4, the hot air component 5 comprises a fan 51 and a heating element 52, the heating element 52 is positioned below the fan 51, the heating element 52 is a heating pipe, the structure of the heating pipe is simple, the motor 3 is positioned above the wind scooper 4, a motor shaft 31 of the motor 3 penetrates through the wind scooper 4 and then is connected with a fan 51, a shaft hole 41 for the motor shaft 31 to penetrate through is formed in the center of the top of the wind scooper 4, a wind gathering port 42 which is arranged with the air inlet 11 is further formed in the top of the wind scooper 4, the wind gathering port 42 is arranged around the shaft hole 41, the wind scooper 4 comprises a cover body 43 and a bottom cover 44, the shaft hole 41 and the wind gathering port 42 are both positioned at the top of the cover body 43, the shaft hole 41 is positioned in the center of the top of the cover body 43, the cover body 43 and the bottom cover 44 are encircled to form a wind gathering cavity 45, the fan 51 is positioned in the wind gathering cavity 45, the volume of the wind gathering cavity 45 is V, and the V is 500 cm.3The bottom cover 44 is provided with a plurality of air outlet slits 441, and the heating element 52 is positioned below the bottom cover 44.
When the electric fryer 22 is in operation, the motor 3 drives the fan 51 to rotate, cold air is sucked into the upper shell 1 from the air inlet 11, the cold air entering the upper shell 1 enters the air collecting cavity 45 through the air collecting opening 42, and forms air flow after being collected and pressurized in the air collecting cavity 45, the air flow is emitted from the air outlet gap 441 of the bottom cover 44, the emitted air flow forms heat flow under the heating action of the heating element 52, and the heat flow flows downwards to enter the fryer 22 and rotates in the fryer 22 to cook food in the fryer 22. Compared with the prior art, the wind scooper 4 of the embodiment further includes the bottom cover 44, and further the embodiment can form the wind gathering cavity 45 through the hood body 43 and the bottom cover 44, and the wind outlet gap 441 is disposed on the bottom cover 44, so that the wind outlet pressure and the wind outlet speed are improved, and high-pressure and high-speed airflow can be formed, and the high-pressure and high-speed airflow can form high-pressure and high-speed heat flow under the heating action of the heating element 52, and the time for the high-pressure and high-speed heat flow to enter the surface of food in the fryer 22 is shortened, which is beneficial to the improvement of the heating efficiency, and the cooking efficiency is improved, meanwhile, the airflow formed by the cold wind in the wind gathering cavity 45 under the action of the fan 51 directly moves downwards, and is hard to collide with the hood body 43, so that the speed and the pressure of the airflow are not attenuated, and can flow downwards quickly, and further the air fryer of the embodiment has higher heating efficiency, and the heating element 52 is disposed below the bottom cover 44, so that the heating element 52 is located outside the wind gathering cavity 45, therefore, the heating element 52 and the fan 51 are separated through the bottom cover 44, on one hand, the phenomenon that the blades of the fan 51 touch the heating element 52 to cause danger when rotating can be avoided, on the other hand, the phenomenon that the heat generated by the heating element 52 is difficult to reversely pass through the air collecting opening of the air guide cover and is transmitted to the motor to burn the motor is avoided, and in this way, the extra fan specially used for radiating the motor is not needed.
Moreover, the fan 51 and the heating element 52 are arranged at a distance through the bottom cover 44, and the plurality of air outlet slits 441 are arranged on the bottom cover 44, so that when the air fryer works, air flow is injected into the fryer 22 through the plurality of air outlet slits 441 and cannot be reversed, and therefore the air collecting cavity 45 and even the fan 51 cannot be polluted by oil smoke, and the part does not need to be cleaned, so that the cleaning efficiency of the air fryer is greatly improved, because the air fryer has a lot of dirt such as oil stains on the blades of the fan 51 after the air fryer is used for a long time, and the blade structure is relatively complex and is relatively hard to clean. Furthermore, the heating element 52 is located outside the air collecting chamber 45, and can heat the food in the fryer 22 in a heat radiation manner, and is convenient to clean, so that the air fryer of the embodiment has the advantages of high heating efficiency and easy cleaning.
In this embodiment, the cover body 43 is in a bell-jar shape, the bottom cover 44 and the cover body 43 are arranged in a sealing manner, a downward wind blocking rib 431 is arranged at the bottom of the cover body 43, a sealing ring 432 is sleeved on the wind blocking rib 431, the sealing ring 432 is in sealing abutting connection with the bottom cover 44, the sealing ring 432 is a silica gel sealing ring and is in a groove shape of a revolving body, the groove is just matched with the wind blocking rib 431, after the bottom cover 44 and the cover body 43 are both installed in place, the contact position between the sealing ring 432 and the bottom cover 44 can be deformed, a gap at the joint of the bottom cover 44 and the cover body 43 is filled up, a sealing effect is achieved, the problem of gas escape in the wind collecting cavity 45 is solved, and the wind outlet gap 441 is located on the inner periphery of the sealing ring 432. Therefore, the bottom cover 44 is in sealing butt joint with the bottom of the cover body 43, the air outlet gaps 441 are located on the inner periphery of the sealing ring 432, air flow in the air gathering cavity 45 can only be ejected out from the air outlet gaps 441, on one hand, the phenomenon that the air flow in the fryer 22 flows back to the air gathering cavity 45 from the connecting gap between the bottom cover 44 and the cover body 43 to pollute a fan is avoided, on the other hand, the pressure and the speed of ejected air flow are improved, and the cooking efficiency of the air fryer is further improved.
The edge of the bottom cover 44 in this embodiment is provided with a mounting hole 442, the heating element 52 is fixed below the bottom cover 44 through the connecting member 521, and the connecting member 521 is fixedly connected with the mounting hole 442. The connecting member 521 is a buckle, the heating element 52 is clamped in the buckle, the heating element 52 can be quickly connected to the connecting member, and then the heating element is fixed below the bottom cover 44, and the heating element is convenient to detach and convenient to replace and clean. The air outlet gap 441 on the bottom cover 44 is an arc-shaped gap, so that the air flow formed after being collected and pressurized in the air collecting cavity 45 can be emitted from the air outlet gap 441 of the bottom cover 44 in a rotating manner, and the rotating air flow forms rotating heat flow under the heating action of the heating element 52, so that the heat flow cannot collide with the inside of the lower shell 2 to cause heat loss in the rotating and sinking process, and the heat flow can rotate in the fryer 22 to cause no heat loss in the fryer 22, thereby being beneficial to improving the heating efficiency. The air outlet area formed by the air outlet gaps 441 is smaller than the air collecting area formed by the air collecting port 42, so that the air flow emitted from the air outlet gaps 441 on the bottom cover 44 can be ensured to be high-pressure air flow, the air collecting area of the air collecting port 42 is smaller than the air inlet area of the air inlet 11, the air inlet 11 can be ensured to be located in a low-pressure area, cold air can smoothly enter the air collecting cavity 45, the cold air in the air collecting cavity 45 can be supplemented timely, and the heating efficiency of the air fryer can be improved.
In this embodiment, the ratio of the air outlet area formed by the air outlet slits 441 to the area of the bottom cover 44 is S, S is 2%, which is neither too small to cause difficulty in air outlet nor too large to reduce the speed and pressure of air outlet, so as to ensure quick air outlet and further improve the cooking efficiency of the air fryer. The bottom cover 44 includes a circular base plate 443, the mounting hole 442 is located at an edge of the circular base plate 443, the plurality of outlet slots 441 are disposed on the base plate 443, located at an inner periphery of the mounting hole 442, and the plurality of air outlet slits 441 are uniformly distributed around the center of the substrate 443, so that the air flow emitted from the air outlet slits 441 is a rotating air flow, under the heating action of heating element 52, a rotating heat stream is facilitated, which flows rotationally within fryer pot 22 to cook the food therein, and will not collide with the inner of the fryer 22 to cause heat loss, which is beneficial to improve heating efficiency, in addition, a plurality of air outlet gaps 441 are evenly distributed around the center of the substrate 443, the air current formed in the air collecting cavity 45 is emitted from the air outlet gaps 441 in a downward rotating way, the downward air-out mechanism mainly depends on the high-pressure air-out of the air-gathering cavity 45, the air-out gap 441 is easy to machine and form, and the structure of the bottom cover 44 is simpler. The base plate 443 in this embodiment is in a shape with a middle portion higher than a peripheral portion lower, and can play a role of guiding, so as to guide the airflow in the air gathering cavity 45 to slide from the middle portion of the base plate 443 to the peripheral portion of the base plate 443, and the rotation range is gradually enlarged, and after being blown out from the air outlet gap 441, an airflow with a relatively large rotation range is formed, which is beneficial to increasing the area blown by the heat flow in the fryer 22, and is further beneficial to improving the heating efficiency.
Go up casing 1 including hunch portion 12, outer window 13 and interior window 14 all set up around hunch portion 12, the top of interior window 14 is connected with the bottom of hunch portion 12, the top of outer window 13 is connected with the top of hunch portion 12, the bottom of interior window 14 and the bottom of outer window 13 are connected fixedly through dress escutcheon 15, dress escutcheon 15 outwards extends and forms handle 16, operation handle 16 can open or close last casing 1, outer window 13 and interior window 14 are the transparent member, it is inside visible to make up casing 1, convenience of customers observes the inside condition, user visual effect is good, experience is strong, in addition, outer window 13 and interior window 14 form double-deck window, can play thermal-insulated effect, prevent to go up casing 1 outside high temperature and scald the user. The motor 3, the wind scooper 4 and the hot air component 5 are all arranged on the arch part 12, specifically, the hood 43 of the wind scooper 4 extends into the arch part 12, the bottom of the hood 43 is fixedly connected with the bottom of the arch part 12, the edge of the base plate 443 of the bottom cover 44 extends upwards to form a mounting surrounding edge 444, the mounting surrounding edge 444 is arranged around the base plate 443, the mounting surrounding edge 444 is connected with the bottom of the arch part 12, the mounting surrounding edge 444 is positioned at the periphery of the hood 43, the bottom cover 44 can be covered under the hood 43 through the mounting surrounding edge 444, the installation is convenient, the bottom of the hood 43 is abutted against the base plate 443, the contact strength between the hood 43 and the bottom cover 44 is enhanced, in the case of rapid wind outlet, no shake occurs between the hood 43 and the bottom cover 44, the arrangement of the arch part 12 is beneficial for the installation of the hood 43 and the bottom cover 44, so as to be beneficial for forming the wind gathering cavity 45, and the arrangement of the arch part 12 also has a certain decorative effect, the appearance of the upper shell 1 is more attractive, the installation surrounding edge 444 of the embodiment extends outwards to form an installation flange 445, the installation flange 445 is connected with the arch part 12 of the upper shell 1 through a fastener, the installation structure is convenient to install and capable of reducing the cost of the installation structure, and the fastener is a screw post.
The top of the upper casing 1 of this embodiment is provided with an operation panel 6, the operation panel 6 is disposed above the arch portion 12, and the operation panel 6 is provided with a switch button, which is a conventional structure and will not be described herein again.
In order to prevent that the user from touching heating element 52, this embodiment is equipped with protection casing 7 in the below of bottom 44, protection casing 7 is located heating element 52 cover in it, protection casing 7 mainly plays the effect of protection, protection casing 7 includes protection casing lateral wall and protection casing diapire, be equipped with a plurality of through-holes on the protection casing diapire, the thermal current is fried pot 22 through a plurality of through-hole flow directions, a plurality of through-hole distributions are comparatively intensive, can not influence the flow direction of thermal current, the protection casing lateral wall can play the effect of direction, down the direction is fast with the thermal current in order to shorten the route of the earlier flow of thermal current, and then improve the thermal efficiency that the air fried pot. The structure of the protective cover 7 is prior art and will not be described in detail herein.
During the operation of the air fryer, the motor 3 drives the fan 51 to rotate, so that cold air is sucked into the upper shell 2 from the air inlet 11, the cold air entering the upper shell 2 enters the air collecting cavity 45 through the air collecting opening 42, and forms an air flow after being collected and pressurized in the air collecting cavity 45, the air flow is emitted from the air outlet gap 441 of the bottom cover 44, the emitted air flow forms a heat flow under the heating action of the heating element 52, the heat flow flows downwards to enter the fryer 22 and rotates and flows in the fryer 22 to cook food in the fryer, and the heat flow rotates and flows in the fryer 22 and then reaches a certain pressure and is discharged from a gap between the upper shell 1 and the lower shell 2. So, the pressure and the speed of thermal current are all higher, can carry out rapid heating to the food in frying the pot 22, the heating efficiency is high, and the air current jets into frying the pot 22 through a plurality of air-out gaps 441, can not be reverse, consequently gather wind chamber 45 and even fan 51 can not receive the pollution of oil smoke, this part need not to wash, the cleaning efficiency of the air frying pot has greatly been improved like this, and simultaneously, gather the direct downstream of air current that the cold-air formed under fan 51's effect in wind chamber 45, can hardly bump with cover body 43, so the speed and the pressure of air current can not decay, can flow downwards fast, and then make the air frying pot of this embodiment have higher heating efficiency.
It will be appreciated that V may also be 300cm3Or 350cm3Or 400cm3Or 450cm3Or 550cm3Or 600cm3Or 650cm3As long as it satisfies 300cm3≤V≤650cm3Both can satisfy the requirement of holding the fan, can satisfy the requirement of higher pressure gathering performance again.
It can be understood that S can also be 1% or 3% or 4% or 5% or 6% or 7% or 8% or 9% or 10%, and as long as S is more than or equal to 1% and less than or equal to 10%, smooth air outlet can be ensured, and the speed and pressure of air outlet can be ensured to be higher.
Example two:
the difference between the present embodiment and the first embodiment is that the bottom cover has a different structure, and as shown in fig. 4 to 6, a plurality of guide plates 446 are disposed on a substrate 443 of the bottom cover 44 of the present embodiment, the plurality of guide plates 446 are uniformly distributed around the center of the substrate 443, an air outlet gap 441 is formed between the guide plates 446 and the substrate 443, the air outlet gap 441 is formed by a height difference between one side of the guide plate 446 and the substrate 443, so that the air flow formed in the air collecting cavity 45 is spirally and rotatably emitted from the air outlet gap 441, because the air flow in the air collecting cavity 45 is a rotational air flow, the lateral air outlet mechanism enables most of the original air flow to be rotatably emitted, the original rotational speed of the air flow is maintained, and the lateral air outlet ensures that the rotational air flow is spirally rotated, the rotational mode is more orderly and has no collision loss, under the heating effect of the heating element 52, the rotational air flow facilitates to quickly form a high-temperature and high-pressure rotational air flow, thereby greatly shortening the cooking time and greatly improving the heating efficiency.
In the present embodiment, the guide plate 446 is formed by press-molding the base plate 443 partially upward, the height difference between the guide plate 446 and the base plate 443 forms an air outlet gap, the base plate 443 is frustum-shaped, and the air flow blown from the fan 51 to the middle portion of the base plate 443 in a small diameter range slides along the inclined surface of the base plate 443 when contacting the inclined surface of the base plate 443, so that the air flow contacting the inclined surface of the base plate 443 slides along the inclined surface, the rotation range is widened, and the air flow having a relatively large rotation range is formed after being blown out from the air outlet gap 441, which is beneficial to increasing the area to which hot air is blown in the fryer 22 and improving the heating efficiency.
Other structures and advantages of the present embodiment are the same as those of the first embodiment, and are not described herein again.
Example three:
the difference between this embodiment and the first embodiment is that the upper casing and the lower casing are connected in different ways, as shown in fig. 7, the upper casing 1 and the lower casing 2 of this embodiment are fixedly connected, the upper casing 1 and the lower casing 2 are integrally formed into a hood-shaped casing, a top cover 8 is provided on the top of the hood-shaped casing, a bottom cover 9 is provided on the bottom of the hood-shaped casing, the operation panel 6 is located on the front side of the upper casing 1, i.e. the front upper part of the hood-shaped casing, an opening 24 is provided on the front side of the lower casing 2, i.e. the front lower part of the hood-shaped casing, the fryer 22 is provided in the cavity in a manner of being able to be pulled along the opening 24, a fryer panel 25 is provided on the front side of the fryer 22, a fryer handle 23 is provided on the fryer panel 25, after the fryer 22 is installed in place, the fryer panel 25 is matched with the opening 24, and the heat flow is discharged from the gap between the fryer panel 25 and the opening 24 after the heat flow in the fryer 22.
Therefore, in the working process of the air fryer, the motor drives the fan to rotate, cold air is sucked into the upper shell from the air inlet, the cold air entering the upper shell enters the air collecting cavity through the air collecting hole and is collected and pressurized in the air collecting cavity to form air flow, the air flow is ejected from the air outlet gap of the bottom cover, the ejected air flow forms heat flow under the heating action of the heating element, the heat flow flows downwards to enter the fryer and rotates and flows in the fryer to cook food in the fryer, and the heat flow reaches a certain pressure after rotating and flowing in the fryer and is then discharged from the gap between the panel of the fryer and the opening.
Other structures and advantages of the present embodiment are the same as those of the first embodiment, and are not described herein again.
Example four:
the difference between this embodiment and the first, second, and third embodiments is the specific structure of the fan, as shown in fig. 8, the fan 51 of this embodiment includes a fan shaft 511 and a plurality of blades 512 disposed around the fan shaft 511, the fan shaft 511 is connected to the motor shaft 31, each of the plurality of blades 512 is disposed in an inclined manner with respect to the vertical direction, a conical casing 513 is disposed above the plurality of blades 512, the conical casing 513 has an upper port and a lower port, the conical casing 513 is connected to the fan shaft 511, the plurality of blades 512 are connected to an inner wall of the conical casing 513, the motor 3 drives the fan shaft 511 to rotate, the conical casing 513 and the plurality of blades 512 rotate together with the fan shaft 511, so that the cold air in the upper housing 1 flows from the upper port of the conical casing 513 to the lower port of the conical casing 513 to form a rotating air flow.
Like this, when motor 3 passes through motor shaft 31 drive fan axle 511 and rotates, a plurality of blades 512 on the fan axle 511 also rotate along with it, inhale cold wind in last casing 2 from air intake 11, the cold wind that gets into in last casing 2 forms rotatory air current from the lower port of the last port flow direction toper shell 513 of toper shell 513, rotatory air current can form rotatory heat current under heating element 52's heating effect after penetrating from air-out gap 441, heat the inside food of frying pan 22 in lower casing 2 fast, and can not collide and cause calorific loss with lower casing 2 is inside, do benefit to and improve heating efficiency, and toper shell 513 can play the effect of pushing down to cold wind, do benefit to and improve the velocity of flow of rotatory air current, and then do benefit to and improve heating efficiency.
In this embodiment, the blade 512 is an arc-shaped blade, the rotation of the arc-shaped blade drives the airflow in the air gathering cavity 45 to spirally rotate, the spirally rotating airflow is spirally emitted from the air outlet gap 441 of the bottom cover 44 and forms spirally rotating heat flow under the heating action of the heating element 52, so that the heat flow does not collide with the inside of the lower casing 2 to cause heat loss in the process of rotating and sinking, and the heat flow spirally rotates in the fryer 22 to also not collide with the fryer 22 to cause heat loss, which is beneficial to improving the heating efficiency.
Other structures and advantages of this embodiment are the same as those of the first, second, and third embodiments, and are not described herein again.
Example five:
the difference between the present embodiment and the fourth embodiment is that the specific structure of the fan is different, and as shown in fig. 9, an inner shell 514 is disposed below the plurality of blades 512 of the fan 51 of the present embodiment, and the inner shell 514 is connected to the fan shaft 5, such that the plurality of blades 512 are disposed between the conical outer shell 513 and the inner shell 514, when the motor drives the fan shaft 511 to rotate and drives the blades 512 to rotate, the airflow between the conical outer shell 513 and the inner shell 514 more easily forms a rotating airflow, the rotating airflow forms a rotating heat flow under the heating action of the heating element, so as to rapidly heat the food inside the fryer in the lower shell, and the food inside the fryer in the lower shell is not collided with the inside of the lower shell to cause heat loss, which is beneficial to improving the heating efficiency.
In this embodiment, the inner shell 514 and the fan shaft 511 are integrally formed, so that the situation that the position between the inner shell 514 and the fan shaft 511 changes to change the airflow flowing direction in the rotating process can be avoided, the strength of the inner shell 514 and the fan shaft 511 is further improved by integrally forming the inner shell 514 and the fan shaft 511, the service life is prolonged, and the working condition requirement of continuous rotation can be met.
In this embodiment, the inner housing 514 is tapered to match the tapered outer housing 513 such that when the motor drives the fan shaft 511 to rotate and the blades 512 rotate, the airflow rapidly forms a rotating airflow after entering between the inner housing 514 and the tapered outer housing 513, and each blade 512 has one side connected to the tapered outer housing 513 and the other side connected to the inner housing 514 such that when the motor drives the fan shaft 511 to rotate, the tapered outer housing 513, the plurality of blades 512, and the inner housing 514 rotate along with the fan shaft 511 to cause the cooling air in the upper housing to flow from the upper port of the tapered outer housing 513 to the lower port of the tapered outer housing 513 to form a rotating airflow.
The inner shell 514 of this embodiment has last port and lower port, fan shaft 511 connects in the last port of inner shell 514, the last port of inner shell 514 flushes the setting with the last port of toper outer shell 513, the lower port of inner shell 514 flushes the setting with the lower port of toper outer shell 513, so set up, make and form conical space between inner shell 514 and the toper outer shell 513, can play the effect of pushing down to the air current, do benefit to the velocity of flow that improves rotatory air current, and then do benefit to and improve heating efficiency.
Therefore, the present embodiment can further improve the flow velocity of the rotating airflow by adding the inner shell, thereby facilitating the improvement of the heating efficiency. Other structures and advantages of this embodiment are the same as those of the fourth embodiment, and are not described herein again.
Example six:
the difference between the present embodiment and the fourth and fifth embodiments is that the specific structure of the fan is different, and as shown in fig. 10, the conical outer shell 513 of the fan 51 of the present embodiment is disposed on the wind scooper 3, that is, the conical outer shell 513 does not rotate, and the motor 3 drives the plurality of blades 512 to rotate, so that the cold wind in the upper casing 1 flows from the upper port of the conical outer shell 513 to the lower port of the conical outer shell 513 to form a rotating airflow.
In the present embodiment, the tapered housing 513 and the wind scooper 3 are integrally formed, which facilitates the manufacturing process, and improves the strength of the tapered housing 513 and the wind scooper 3. Of course, it is understood that the conical outer casing 513 and the air guiding cover 3 may be provided separately, and the conical outer casing 513 is fixed to the inner wall of the air guiding cover 3 by a connecting structure.
In this embodiment, the conical casing 513 is disposed on the wind scooper 3, so that the weight of the fan shaft 51 can be reduced, the rotation speed of the plurality of blades 512 can be increased, and the food in the fryer can be heated quickly.
Other structures and advantageous effects of the present embodiment are the same as those of the fourth and fifth embodiments, and are not described herein again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, i.e. all equivalent variations and modifications made by the present invention are covered by the scope of the claims of the present invention, which is not limited by the examples herein.
Claims (9)
1. An air fryer capable of rapidly discharging air comprises an upper shell and a lower shell, wherein the upper shell is provided with an air inlet, a motor, an air guide cover and a hot air assembly are arranged in the upper shell, the hot air assembly comprises a fan and a heating element, the motor is positioned above the air guide cover, a motor shaft of the motor penetrates through the air guide cover and then is connected with the fan, the lower shell is provided with a cavity, and the fryer is arranged in the cavity. An air outlet gap is formed between the guide plate and the substrate.
2. The air fryer according to claim 1, wherein said bottom cover comprises a circular base plate, said base plate having a plurality of air exit slots formed therein.
3. An air fryer according to claim 2, wherein the plurality of outlet slots are evenly distributed about the center of the base plate.
4. An air fryer according to claim 1, wherein the plurality of guide plates are evenly distributed about the center of the base plate.
5. The air fryer according to claim 1, wherein the guide plate is formed by stamping the base plate partially upward, and a height difference is provided between one side of the guide plate and the base plate to form the air outlet gap.
6. An air fryer according to any one of claims 2 to 5, wherein said base plate is shaped so that a middle portion is higher than a peripheral portion; or the substrate is in a frustum shape.
7. An air fryer according to any one of claims 2 to 5, wherein said bottom cover further comprises a mounting skirt disposed about said base plate, said mounting skirt being connected to said upper housing, said mounting skirt being located about the periphery of said cover, said cover bottom abutting said base plate.
8. An air fryer according to claim 7, wherein said mounting skirt extends outwardly to form a mounting flange, said mounting flange being connected to said upper shell by fasteners.
9. The air fryer of claim 1, wherein said air exit slot is an arcuate slot.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810584636.3A CN110250923B (en) | 2018-06-08 | 2018-06-08 | Air of quick air-out is fried pot |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810584636.3A CN110250923B (en) | 2018-06-08 | 2018-06-08 | Air of quick air-out is fried pot |
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| CN110250923B true CN110250923B (en) | 2022-05-03 |
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| CN113133685B (en) * | 2021-04-22 | 2022-02-01 | 九阳股份有限公司 | High-efficiency hot air cooking device |
| CN114766926A (en) * | 2022-05-09 | 2022-07-22 | 沃森供应链管理(广东)有限公司 | Air frying pan |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110250922B (en) * | 2018-06-08 | 2021-11-09 | 九阳股份有限公司 | Air fryer with good heating effect |
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| CN202981682U (en) * | 2012-11-15 | 2013-06-12 | 上官林 | Air deep fryer with novel air guide device |
| CN206560354U (en) * | 2016-08-11 | 2017-10-17 | 九阳股份有限公司 | A kind of temperature sensor mounted air fryer |
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