CN216020580U - Air frying pan - Google Patents

Abstract

The utility model relates to an air fryer. The existing air fryer has poor sealing performance. The food frying device comprises a base and a cover body covering the base, wherein the base and the cover body are enclosed to form a cooking cavity, a hot air cavity is arranged above the cooking cavity, a hot air assembly is arranged in the hot air cavity, the hot air assembly comprises a fan and a heating pipe, a frying pan assembly is arranged in the cooking cavity, hot air generated by the hot air assembly is input into the cooking cavity to cook food materials in the frying pan assembly, a sealing ring is arranged on the bottom surface of the cover body, the sealing ring comprises an upper ring fixedly connected with the periphery of the cover body and a lower ring suspended below the upper ring, and a closed sizing groove is formed by enclosing the upper ring and the lower ring so that the lower ring is held in a posture that the inner edge is tilted. Set up the sealing washer in area setting groove on the lid bottom surface, ensure through setting up the setting groove that the lower ring of putting keeps the perk gesture, promote sealing performance through increasing area of contact, prevent that steam from leaking, ensure electrical elements normal operating, increase of service life promotes and uses experience.

Description

Air frying pan

Technical Field

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

Background

Current air is fried pot and is included base and lid that the lid closed on the base, base and lid enclose to close and form the culinary art chamber, the top in culinary art chamber is equipped with the hot-blast chamber, the hot-blast intracavity is equipped with hot-blast subassembly, hot-blast subassembly includes fan and heating tube, the culinary art intracavity is equipped with fried pot subassembly, and the hot-blast input that hot-blast subassembly produced cooks the chamber and eats the material in order to make the cooked fried pot subassembly. There is the gap between lid bottom surface periphery and base top surface periphery, leads to the culinary art chamber can't be isolated with external space, and then leads to the culinary art intracavity hot-blast can outwards reveal through the gap, has reduced culinary art efficiency, still can be because of electrical components and steam contact break down, shortens life, influences the use and experiences.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides the air fryer, the sealing ring with the fixed groove is arranged between the cover body and the base, the posture of the sealing ring is effectively maintained, the steam leakage is reduced by improving the sealing effect, and the use experience is improved.

The utility model is realized by the following modes: the utility model provides a pot is fried to air, includes that base and lid close the lid on the base, base and lid enclose to close and form the culinary art chamber, the top in culinary art chamber is equipped with hot-blast chamber, hot-blast intracavity is equipped with hot-blast subassembly, hot-blast subassembly includes fan and heating tube, the culinary art intracavity is equipped with fried pot subassembly, and hot-blast input culinary art chamber that hot-blast subassembly produced eats the material in order to make cooked fried pot subassembly, the bottom surface of lid is equipped with the sealing washer, the sealing washer includes the overhead ring with the peripheral rigid coupling of lid and the suspension puts the ring under in overhead ring below, the overhead ring encloses between the ring and puts down and closes the design groove that forms the receipts mouth form to make down put the ring and hold the gesture at the inner edge perk. Set up the sealing washer in area setting groove on the lid bottom surface, ensure to put the environmental protection down and hold the perk gesture through setting up the setting groove for put down the ring can promote sealing performance through increasing area of contact with on tending to the top surface of horizontally gesture top-down overlap joint to base, prevent that steam from leaking, ensure electrical component normal operating, increase of service life promotes use experience.

Preferably, the cross section of the sealing ring is in a C shape, the fixed groove is formed in the inner edge of the sealing ring, and the inner edge of the lower ring accumulates pre-tightening force for driving the lower ring to tilt through circumferential extrusion acting force. The notch of the fixed groove is inwards formed, so that the inner edge of the lower ring is suspended and can maintain the tilting posture through the circumferential extrusion acting force, the sealing ring is prevented from collapsing downwards and deforming before being tightly clamped, and the sealing ring is ensured to have a larger contact area with the top surface of the base.

Preferably, the upper ring is arranged horizontally, an included angle between the lower ring and the horizontal plane is A, A is more than or equal to 1 degree and less than or equal to 5 degrees, the larger the parameter A is, the larger the circumferential extrusion acting force is, so that the lower ring can maintain the tilting posture, the lower ring can tend to be horizontal, the lower ring can be matched and attached to the top surface of the base, the inner edge of the upper ring can be effectively maintained in the tilting posture, and the collapse is prevented. When A is less than 1 degree, the lower ring tends to be horizontal, so that the lower ring cannot maintain the tilting posture due to the reduction of the circumferential extrusion acting force, and further the collapse is caused; when A is more than 5 degrees, the lower ring generates larger circumferential extrusion acting force to influence the close fit of the lower ring and the top surface of the base.

Preferably, the height difference between the outer edge of the upper ring and the outer edge of the lower ring is H, H is more than or equal to 2mm and less than or equal to 4mm, the shaping effect of the shaping groove can be effectively maintained, and a deformation space which is stressed to be flattened and is tightly attached to the top surface of the base can be provided for the lower ring. When H is less than 2mm, the distance between the upper ring and the lower ring is smaller, the deformation space of the lower ring is smaller, and when H is more than 5mm, the distance between the upper ring and the lower ring is larger, so that the shaping effect of the shaping groove is influenced.

Preferably, the outer edge of the upper ring is folded downwards and then extends upwards from outside to inside in an inclined manner to form the lower ring. Put the ring and put the ring structure as an organic whole down, both joint strength have been promoted effectively, can also effectively promote the design effect in fixed slot, ensure to put down that the ring maintains the perk gesture.

Preferably, the middle part of the bottom surface of the lower ring extends inwards in an inclined mode to form an arc-shaped sealing lip, and after the cover body is covered in place, the sealing ring is tightly attached to the periphery of the top surface of the base through the sealing lip, so that the cover body is connected with the base in a sealing mode. The sealing lip sets up in the below of putting the ring down, and the lower ring of putting of perk can make the sealing lip also be in the perk gesture, ensures that the sealing lip can be closely laminated through deformable bottom surface and base top surface when the lid closes.

Preferably, the cover body comprises a support, a motor fixedly connected to the support and an air guide cover arranged below the motor, the middle of the air guide cover is sunken upwards to form the hot air cavity, a rotating shaft of the motor penetrates through the air guide cover from top to bottom and is fixedly connected with the fan, and the periphery of the air guide cover is inserted into the shaping groove from inside to outside and then is fixedly connected with the support through a fastening piece, so that the upper ring is tightly clamped between the air guide cover and the support. The support is used for supporting fixed motor, and the motor is used for ordering about the fan and rotates, and the wind scooper is used for thermal-insulated and guide hot-blast flow along predetermineeing the route, and the periphery of wind scooper plays the positioning action to the sealing washer through inserting the setting groove, ensures that the sealing washer can closely laminate with the base top surface after the lid closes.

Preferably, the middle part of the bottom surface of the support is provided with an avoiding groove for the air guide cover to be inserted, the middle part of the top surface of the upper ring extends upwards to form a positioning rib, and the positioning rib is inserted into the support from bottom to top and is in sealing fit with a notch of the avoiding groove so that the sealing ring is limited by the clamping. The avoiding groove provides space for installing the wind scooper, and during installation, the sealing ring is sleeved on the periphery of the wind scooper and clamped in the periphery of the notch of the avoiding groove through the positioning rib, so that the support plays a role in horizontally positioning the sealing ring.

Preferably, the periphery of the notch of the avoiding groove is sunken upwards to form an annular mounting table, and the top of the sealing ring is embedded in the mounting table from bottom to top so that the sealing ring is limited in position. The mount table level sets up down, and closely laminates with the top surface of overhead ring, plays vertical limiting displacement to the sealing washer, guarantees that the sealing washer can not take place the condition that breaks away from with the base top surface because of upwards squinting.

Preferably, a through hole for the rotating shaft to penetrate through is formed in the top of the air guide cover, an oil seal is arranged between the upper port of the through hole and the rotating shaft, the rotating shaft of the motor is inserted into the hot air cavity through the through hole and is fixedly connected with the fan, and the upper port of the through hole is provided with the oil seal for the rotating shaft to penetrate through, so that a gap between the rotating shaft and the through hole is effectively sealed, and heat is prevented from being transferred outwards.

Preferably, the wind guide cover is provided with a mounting hole with a sealing element, and the fastening piece passes through the mounting hole and is fixedly connected with the bracket, so that the wind guide cover is fixedly connected below the bracket. The wind scooper is fixedly connected in the avoiding groove through a fastening piece penetrating through the mounting hole, and the sealing piece is sleeved on the fastening piece, so that a gap between the mounting hole and the fastening piece is effectively blocked, and heat is prevented from leaking.

Preferably, the fryer component comprises a pot body and a heating device fixedly connected to the bottom of the pot body, an opening for exposing the heating device is formed in the bottom wall of the pot body, and a sealing ring is clamped between the periphery of the top surface of the heating device and the periphery of the opening. The sealing ring is clamped between the opening of the pot body and the periphery of the top surface of the heating device to seal a gap between the opening of the pot body and the top surface of the heating device, so that heat and water source are prevented from leaking, and normal operation of electric elements in the shell is ensured.

The utility model has the beneficial effects that: set up the sealing washer in area setting groove on the lid bottom surface, ensure to put the environmental protection down and hold the perk gesture through setting up the setting groove for put down the ring can promote sealing performance through increasing area of contact with on tending to the top surface of horizontally gesture top-down overlap joint to base, prevent that steam from leaking, ensure electrical component normal operating, increase of service life promotes use experience.

Drawings

FIG. 1 is a schematic partial cross-sectional view of an air fryer in accordance with an embodiment;

FIG. 2 is a schematic sectional view of the assembling structure of the sealing ring according to the second embodiment;

FIG. 3 is a schematic cross-sectional view of a seal ring according to a second embodiment;

FIG. 4 is a schematic view of a partial cross-sectional structure of the cover according to the second embodiment;

FIG. 5 is a schematic drawing in section showing a portion of a fryer assembly according to a second embodiment;

in the figure: 1. the deep fryer comprises a base, a cover body, a fan, a heating pipe, a support, a dodging groove, a mounting table, a motor 241, a rotating shaft, a 25, an air guide cover 251, a mounting hole 252, a sealing element 26, an oil seal, a deep fryer component 3, a deep fryer component 31, a pot body 32, a heating device 33, a sealing ring 4, a sealing ring 41, an upper ring 42, a lower ring 43, a shaping groove 44, a sealing lip 45 and a positioning rib.

Detailed Description

The essential features of the utility model will be further explained below with reference to the drawings and the detailed description of the specification.

The first embodiment is as follows:

the present embodiments provide an air fryer.

An air fryer shown in fig. 1 is composed of a base 1 and a cover body 2 covered on the base 1, a cooking cavity is formed by enclosing the base 1 and the cover body 2, a hot air cavity is arranged above the cooking cavity, a hot air assembly is arranged in the hot air cavity and comprises a fan 21 and a heating pipe 22, a fryer assembly 3 is arranged in the cooking cavity, hot air generated by the hot air assembly is input into the cooking cavity to cook food materials in the fryer assembly 3, a sealing ring 4 is arranged on the bottom surface of the cover body 2, the sealing ring 4 comprises an upper ring 41 fixedly connected with the periphery of the cover body 2 and a lower ring 42 suspended below the upper ring 41, and a closed shaping groove 43 is formed between the upper ring 41 and the lower ring 42 to enable the lower ring 42 to keep the tilting posture of the inner edge.

In this embodiment, the hot air assembly includes a fan 21 and a heating tube 22, the heating tube 22 is located around the fan 21, the fan 21 extracts air in the cooking cavity and forms an airflow flowing through the heating tube 22, the airflow flows through the heating tube 22 to absorb heat and form hot air flowing back to the cooking cavity, and the hot air contacts with the food material after flowing into the air fryer and realizes heat transfer, so that the food material is gradually cooked from outside to inside. The hot-blast temperature that can be because of with eating the material contact reduces and spread to the culinary art chamber in, provides the air supply for being extracted the heating once more by hot-blast subassembly to this carries out circulation extraction heating to the air and promotes heat utilization efficiency.

When the food frying pan is used, firstly, food materials are placed into the frying pan assembly 3, then the cover body 2 is opened, the cooking cavity is exposed, the frying pan assembly 3 is placed into the cooking cavity, the cooking cavity is isolated from the external space after the cover body 2 is closed, finally, hot air is generated through the hot air assembly, and the hot air is input into the frying pan assembly 3 so that the food materials are cooked to be mature.

In this embodiment, the hot air assembly is powered on to generate heat and cook the food material. Specifically, the heating tube 22 is powered on to generate heat, and the heat can be transferred to the surface of the food material through the airflow generated by the fan 21 and can also be transferred to the surface of the food material through a heat radiation manner.

In this embodiment, the rear portion of the cover 2 is connected to the rear portion of the base 1 through a connecting shaft, so that the cover 2 can swing between an open state and a closed state around the connecting shaft. When swinging, the cover body 2 can swing along a preset path due to the limitation of the connecting shaft, so that the cover body 2 can be completely covered on the top surface of the base 1 and can form the cooking cavity in an enclosing manner.

In culinary art in-process, hot-blast and the steam that the edible material was heated and is produced all pass through gaseous state medium transfer heat, this has just provided higher requirement to the sealing performance of culinary art chamber and hot-blast chamber wall, current air is fried the pot and can be because of enclosing the not good condition that produces the heat and leak between each part leakproofness that closes formation culinary art chamber and hot-blast chamber, specifically, sealing washer 4 between lid 2 and base 1 can lead to unable and adjacent part closely laminating because of self deformation, both can influence culinary art efficiency because of the heat scatters and disappears, still can lead to temperature and humidity in the casing to rise because of hot-blast and steam leak, lead to electrical component to break down easily and shorten life, influence use experience. Therefore, the sealing ring 4 with the fixing groove 43 is arranged on the bottom surface of the cover body 2, the posture of the sealing ring 4 is maintained by arranging the fixing groove 43, the sealing ring 4 can be tightly attached to the top surface of the base 1 when the cover body 2 is switched to a closed state, the sealing performance between the cover body 2 and the base 1 is effectively improved, heat leakage is prevented, cooking efficiency is improved, normal operation of electrical elements in the shell is also ensured, the service life is prolonged, and use experience is improved.

In this embodiment, the sealing ring 4 includes an upper ring 41 fixed to the periphery of the lid body 2 and a lower ring 42 suspended below the upper ring 41, and a closed shaped groove 43 is formed between the upper ring 41 and the lower ring 42 to keep the lower ring 42 in a posture that the inner edge is tilted. The upper ring 41 is horizontally arranged, the inner edge of the lower ring 42 is in a tilting posture, so that the inner edge of the lower ring 42 can experience a horizontal posture through circumferential deformation and is converted into a collapsing posture with the inner edge lower than the outer edge only under the condition that the gravity of the inner edge can overcome circumferential extrusion acting force, and under the normal condition, the weight of the lower ring 42 cannot drive the inner edge to overcome the circumferential extrusion acting force, so that the inner edge of the lower ring 42 can be always maintained in the tilting posture, the original posture of the cross section profile of the sealing ring 4 is ensured, and the sealing ring 4 can be ensured to be flatly attached to the periphery of the top surface of the base 1 through the bottom surface of the lower ring 42. After the cover body 2 is covered in place, an annular contact area is formed between the bottom surface of the sealing ring 4 and the top surface of the base 1, and the same radial width of each circumferential section of the annular contact area is ensured by maintaining the posture of the sealing ring 4, so that the sealing reliability is improved.

Example two:

in contrast to the first embodiment, the present embodiment provides a specific air fryer structure.

As shown in fig. 2, the cross section of the sealing ring 4 is C-shaped, the fixed groove 43 is formed on the inner edge of the sealing ring 4, and the inner edge of the lower ring 42 accumulates pre-tightening force for lifting the sealing ring by a circumferential pressing force. The outer edges of the upper ring 41 and the lower ring 42 extend toward each other to form the seal ring 4 having a C-shaped cross section, so that the notch of the fixed groove 43 is opened inward. Specifically, the inner edge of the lower ring 42 is suspended, which not only ensures that the inner edge of the lower ring 42 has a large deformation range, and ensures that the inner edge of the lower ring 42 can be tightly attached to the top surface of the base 1 through deformation, but also ensures that the lower ring 42 can maintain the tilting posture by the self circumferential extrusion acting force, and prevents the lower ring 42 from being unable to be matched and attached to the top surface of the base 1 due to collapse deformation.

In this embodiment, the upper ring 41 is horizontally disposed, and the lower ring 42 is disposed with its inner edge higher than its outer edge (as shown in fig. 3). Specifically, the radial actual width of the lower ring 42 is maintained unchanged, when the inner edge of the lower ring 42 is higher than the outer edge, the vertical projection width of the lower ring 42 is smaller than the actual width of the lower ring 42, when the inner edge of the lower ring 42 swings downward with the outer edge as the center, the vertical projection width of the lower ring 42 increases and draws close to the actual width of the lower ring 42, and under the condition that the diameter of the outer edge of the lower ring 42 is unchanged, the inner edge of the lower ring 42 can only meet the requirement of deformation of the inner edge of the lower ring 42 when the inner edge falls by contracting the diameter, which results in that the diameter of the inner edge of the lower ring 42 needs to be reduced by circumferential extrusion, thereby forming a pre-tightening force for preventing the inner edge of the lower ring 42 from reducing the diameter, and further converting into a pre-tightening force for preventing the inner edge of the lower ring 42 from collapsing and deforming downwards, and ensuring that the inner edge of the lower ring 42 keeps a tilted posture all the time.

In this embodiment, the outer edge of the upper ring 41 is folded downward and then extends obliquely upward from outside to inside to form the lower ring 42. The sealing ring 4 is of an integral structure, so that the lower ring 42 can maintain the tilting posture under the supporting action of the upper ring 41, and the sealing performance of the sealing ring 4 can be effectively improved.

During installation, firstly, the sealing ring 4 is sleeved on the periphery of the air guide cover 25 through the fixed groove 43, so that the sealing ring 4 is radially supported by the air guide cover 25; then, the air guiding cover 25 is inserted into the avoiding groove 231 of the bracket 23 from bottom to top and is fixedly connected to the bracket 23 through a fastener penetrating through the mounting hole 251, and the sealing ring 4 is embedded into the mounting table 232 from bottom to top; finally, the periphery of the wind scooper 25 is screwed and locked with the bracket 23 through a fastener, so that the upper ring 41 is tightly clamped between the periphery of the wind scooper 25 and the bottom surface of the bracket 23.

After the sealing ring 4 is installed in place, the upper ring 41 is tightly clamped between the periphery of the air guide cover 25 and the support 23, so that the sealing ring 4 is effectively fixed, the air guide cover 25 and the support 23 vertically position the sealing ring 4, and the fastening piece for fixedly connecting radially positions the sealing ring 4, so that the upper ring 41 is in sealing connection with the periphery of the air guide cover 25.

When the sealing device is used, the lower ring 42 is always in the tilting posture, so that the sealing lip 44 is also always in the tilting posture with the bottom surface exposed downwards, the cover body 2 swings and is switched to the closed state, the bottom surface of the sealing ring 4 is lapped on the periphery of the top surface of the base 1 from top to bottom through the sealing lip 44, the sealing lip 44 is in sealing fit with the top surface of the base 1 through self deformation, and the periphery of the air guide cover 25 is in sealing joint with the periphery of the top surface of the base 1 and encloses to form a cooking cavity isolated from the external space.

In this embodiment, an included angle between the lower ring 42 and the horizontal plane is a, and a =3 °, so that the lower ring 42 tends to be horizontal, the lower ring 42 can be ensured to be matched and attached to the top surface of the base 1, the inner edge of the upper ring 41 can be effectively maintained in a tilted posture, and collapse is prevented.

In this embodiment, the height difference between the outer edge of the upper ring 41 and the outer edge of the lower ring 42 is H, H =3mm, which not only can effectively maintain the shaping effect of the shaping groove 43, but also can provide a deformation space for the lower ring 42 to be stressed and flattened and tightly fit with the top surface of the base 1.

In this embodiment, the middle portion of the bottom surface of the lower ring 42 extends obliquely inward to form an arc-shaped sealing lip 44, and after the cover 2 is covered in place, the sealing ring 4 is tightly attached to the periphery of the top surface of the base 1 through the sealing lip 44, so that the cover 2 and the base 1 are connected in a sealing manner. The sealing lip 44, the lower ring 42 and the upper ring 41 are of an integrated structure, so that the structural strength and the self-sealing performance are effectively improved.

In this embodiment, the cover 2 includes a bracket 23, a motor 24 fixed on the bracket 23, and an air guiding cover 25 (as shown in fig. 4) disposed below the motor 24, a middle portion of the air guiding cover 25 is recessed upward to form the hot air chamber, a rotating shaft 241 of the motor 24 passes through the air guiding cover 25 from top to bottom and is fixed to the fan 21, and a periphery of the air guiding cover 25 is inserted into the shaping groove 43 from inside to outside and then is fixed to the bracket 23 by a fastening member, so that the upper ring 41 is tightly clamped between the air guiding cover 25 and the bracket 23. The top of the wind scooper 25 is provided with a through hole for the rotating shaft 241 to penetrate through, and an oil seal 26 is arranged between the upper port of the through hole and the rotating shaft 241. The motor 24 is fixedly connected above the bracket 23, plays a role in positioning the rotating shaft 241, ensures that the rotating shaft 241 can accurately pass through the oil seal 26 and the perforation and is fixedly connected with the fan 21, reduces abrasion by reducing radial deviation of the rotating shaft 241 and improves sealing performance.

In this embodiment, the middle of the bottom surface of the bracket 23 is provided with an avoiding groove 231 for inserting the air guiding cover 25, the middle of the top surface of the upper ring 41 extends upwards to form a positioning rib 45, and the positioning rib 45 is inserted into the bracket 23 from bottom to top and is in sealing fit with the notch of the avoiding groove 231, so that the sealing ring 4 is clamped and limited. Dodge groove 231 and provide the space for wind scooper 25 middle part uplift formation heat wind chamber, location muscle 45 is cyclic annular, and sets up with sealing washer 4 is concentric, and the outer fringe diameter of location muscle 45 matches with the inner edge diameter of dodging the groove 231 notch for location muscle 45 can with dodge the groove 231 notch and closely laminate.

In this embodiment, the notch periphery of the avoiding groove 231 forms an annular mounting table 232 by being recessed upwards, and the top of the sealing ring 4 is embedded in the mounting table 232 from bottom to top, so that the sealing ring 4 is limited by being clamped. The outer edge diameter of the mounting table 232 is matched with the outer edge diameter of the sealing ring 4, and during mounting, the upper ring 41 is clamped in the mounting table 232 to radially limit the sealing ring 4. In addition, the top surface of overhead ring is equipped with protruding muscle, utilizes protruding muscle closely to laminate on the mount table, effectively promotes sealed effect.

In this embodiment, the wind scooper 25 is provided with a mounting hole 251 with a sealing member 252, and a fastening member passes through the mounting hole 251 and is fixed to the bracket 23, so that the wind scooper 25 is fixed below the bracket 23. The mounting holes 251 are arranged in a plurality and are separated, and the connection reliability of the wind scooper 25 and the bracket 23 is improved by increasing the number of the mounting holes 251. And sealing the gap between the fastener and the mounting hole by a sealing piece.

In this embodiment, the fryer assembly 3 includes a pot 31 and a heating device 32 (as shown in fig. 5) fixed to the bottom of the pot 31, the bottom wall of the pot 31 is provided with an opening for exposing the heating device 32, and a sealing ring 33 is clamped between the top periphery of the heating device 32 and the periphery of the opening. The top surface and the uncovered periphery of sealing ring 33 closely laminate, and the bottom surface closely laminates with heating device 32's top surface periphery, and sealing ring 33 effectively blocks up the gap between pot body 31 and heating device 32 through self deformation, promotes the sealing performance in culinary art chamber.

It is understood that the parameter A can also be 1 degree, 2 degree, 4 degree, 5 degree, etc., as long as the requirement that A is more than or equal to 1 degree and less than or equal to 5 degrees is met.

It is understood that the parameter H can also be 2mm, 2.5mm, 3.5mm, 4mm, etc., as long as the requirement of H ≦ 4mm for 2mm is met.

Other structures and effects of the present embodiment are consistent with those of the present embodiment, and are not described again.

Claims (10)

1. The utility model provides a pot is fried to air, includes that base and lid close the lid on the base, base and lid enclose to close and form the culinary art chamber, the top in culinary art chamber is equipped with hot-blast chamber, hot-blast intracavity is equipped with hot-blast subassembly, hot-blast subassembly includes fan and heating tube, the culinary art intracavity is equipped with fried pot subassembly, and hot-blast input culinary art chamber that hot-blast subassembly produced eats the material in order to make the cooked fried pot subassembly, a serial communication port, the bottom surface of lid is equipped with the sealing washer, the sealing washer includes the overhead ring of peripheral rigid coupling of lid and the suspension puts the ring under in overhead ring below, overhead ring encloses the setting groove that closes the formation and receive mouthful form with putting the ring down to the attitude of putting the ring under and holding at the inner edge perk.

2. An air fryer according to claim 1, wherein the sealing ring is C-shaped in cross-section, the shaped groove is formed in an inner edge of the sealing ring, and the inner edge of the underlying ring accumulates pre-tightening force for driving the underlying ring to tilt by circumferential pressing force.

3. An air fryer according to claim 2, wherein the upper ring is disposed horizontally, the lower ring forms an angle a with the horizontal plane, the angle a being between 1 ° and 5 °; or the height difference between the outer edge of the upper ring and the outer edge of the lower ring is H, wherein H is more than or equal to 2mm and less than or equal to 4 mm.

4. An air fryer according to claim 2, wherein the outer edge of said upper ring is folded downwardly and extends obliquely upwardly from the outside to the inside to form said lower ring.

5. An air fryer according to claim 2, wherein the middle part of the bottom surface of the lower ring extends obliquely inwards to form an arc-shaped sealing lip, and after the cover body is covered in place, the sealing ring is tightly attached to the periphery of the top surface of the base through the sealing lip, so that the cover body is connected with the base in a sealing manner.

6. An air fryer according to any one of claims 1-5, wherein the cover comprises a support, a motor fixedly connected to the support, and an air guide cover arranged below the motor, wherein the middle of the air guide cover is recessed upwards to form the hot air cavity, a rotating shaft of the motor passes through the air guide cover from top to bottom and is fixedly connected with the fan, and the periphery of the air guide cover is inserted into the shaping groove from inside to outside and then is fixedly connected with the support through a fastener, so that the upper ring is tightly clamped between the air guide cover and the support.

7. An air fryer according to claim 6, wherein the middle of the bottom surface of the bracket is provided with an avoiding groove for the air guide cover to be inserted, the middle of the top surface of the upper ring extends upwards to form a positioning rib, and the positioning rib is inserted into the bracket from bottom to top and is in sealing fit with the notch of the avoiding groove so that the sealing ring is limited by being positioned.

8. An air fryer according to claim 7, wherein the notch periphery of the avoiding groove forms an annular mounting platform by being recessed upwards, and the top of the sealing ring is embedded in the mounting platform from bottom to top so that the sealing ring is limited by the clamping.

9. The air fryer according to claim 6, wherein a through hole for the penetration of the rotating shaft is arranged at the top of the air guide cover, and an oil seal is arranged between the upper port of the through hole and the rotating shaft; or, the wind guide cover is provided with a mounting hole with a sealing element, and the fastening piece passes through the mounting hole and is fixedly connected with the bracket, so that the wind guide cover is fixedly connected below the bracket.

10. An air fryer according to claim 6, wherein the fryer assembly comprises a pot and a heating means secured to the bottom of the pot, the bottom wall of the pot defining an opening through which the heating means is exposed, the top peripheral edge of the heating means and the peripheral edge of the opening having a sealing ring therebetween.

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