CN213309187U - Air fryer with good sealing performance - Google Patents

Abstract

The utility model relates to an air that leakproofness is good explodes pot. The sealing ring on the cover plate of the existing air fryer is easy to cause the condition of hot air leakage due to tilting. The utility model discloses an upper casing and lower casing are equipped with the chamber that generates heat in the upper casing, and the intracavity that generates heat is equipped with hot-blast subassembly, and hot-blast subassembly includes fan and heating tube, and the internal culinary art chamber that is equipped with of inferior valve goes up the bottom of casing and is equipped with the apron, the sealing washer has been put to the outer fringe cover of apron, the inner edge of sealing washer is equipped with the proof warp ring that vertical extension formed, so that the sealing washer inner edge have with the proof warp pretightning force of the inseparable laminating of apron. The sealing washer promotes the proof warp pretightning force through setting up the proof warp ring, ensures that the sealing washer closely wraps up on the apron periphery, and then ensures that the sealing washer can effectively the shutoff go up casing and lower casing gap, prevents to cook the intracavity hot-blast outside leakage, and both promote culinary art efficiency, it is long when shortening the culinary art, still effectively prevent hot-blast outside leakage and take place to scald the condition of user, ensure safe in utilization.

Description

Air fryer with good sealing performance

Technical Field

The utility model relates to a food processing field, concretely relates to air is fried pot.

Background

Current air is fried pot and is included last casing and lower casing through the connection, is equipped with the chamber that generates heat in the upper casing, the intracavity that generates heat is equipped with hot-blast subassembly, hot-blast subassembly includes fan and heating tube, the internal culinary art chamber that is equipped with of inferior valve, the culinary art intracavity is equipped with fried pot subassembly, it is equipped with annular visible glass to go up the casing bottom, the sealing washer has been put to visible glass outer fringe cover, and when using, the upper casing lid closes under on the casing and realize sealing connection through the centre gripping sealing washer, and current sealing washer can be because of the thermal expansion takes place deformation, leads to producing the gap between sealing washer and visible glass, leads to cooking the intracavity hot-blast through the gap and leak, influences culinary art efficiency, still takes place the condition of.

SUMMERY OF THE UTILITY MODEL

In order to solve the not enough of prior art, the utility model provides a pot is fried to air that leakproofness is good, the sealing washer through set up proof warp ring promote with lap circumferential laminating nature, effectively promote casing and casing down between leakproofness, both ensure culinary art efficiency, still ensure safe in utilizationly.

The utility model discloses a following mode realizes: the utility model provides a pot is fried to air that leakproofness is good, includes through hinged joint's last casing and lower casing, is equipped with the chamber that generates heat in the last casing, the intracavity that generates heat is equipped with hot-blast subassembly, hot-blast subassembly includes fan and heating tube, the internal culinary art chamber that is equipped with of inferior valve, the culinary art intracavity is equipped with fried pot subassembly, the bottom of going up the casing is equipped with the apron, the sealing washer has been put to apron outer fringe cover, the inner edge of sealing washer is equipped with the proof warp ring that vertical extension formed, so that the sealing washer inner edge have with the proof warp pretightning force that the apron outer fringe. The sealing washer promotes the proof warp pretightning force through setting up the proof warp ring, ensures that the sealing washer closely wraps up on the apron periphery, and then ensures that the sealing washer can effectively the shutoff go up casing and lower casing gap, prevents to cook the intracavity hot-blast outside leakage, and both promote culinary art efficiency, it is long when shortening the culinary art, still effectively prevent hot-blast outside leakage and take place to scald the condition of user, ensure safe in utilization.

Preferably, the middle part of the inner edge of the sealing ring is provided with an embedded groove which is circumferentially arranged, and the sealing ring is sleeved on the outer edge of the cover plate from outside to inside through the embedded groove. The sealing ring is sleeved on the periphery of the cover plate through the caulking groove, the sleeving firmness can be improved by utilizing the radial deformation restoring force of the sealing ring, the sealing performance is improved by increasing the contact area between the sealing ring and the cover plate, and the situation that the sealing ring is tilted due to the fact that hot air is blown into a gap between the sealing ring and the cover plate is prevented.

Preferably, the upper edge of the notch of the caulking groove forms the anti-warping ring through downward extension, and after the anti-warping ring is installed in place, the anti-warping ring is tightly attached to the periphery of the top surface of the cover plate. The anti-warping ring that vertical extension formed can promote the anti deformation performance of caulking groove notch, and then ensures that the notch of caulking groove can closely laminate with the apron periphery.

Preferably, the cross-sectional profile of the anti-warping ring is triangular, the inner edge of the anti-warping ring and the inner edge of the sealing ring are vertically aligned, the included angle between the bottom surface of the anti-warping ring and the top wall of the caulking groove is A, and A is more than or equal to 5 degrees and less than or equal to 20 degrees. The top surface of the anti-warping ring is fixedly connected with the notch of the caulking groove, and the anti-warping ring is narrowed along with the increase of the vertical distance from the notch of the caulking groove, so that the anti-warping ring can be tightly attached to the peripheral top surface of the cover body through self deformation, the deformation resistance of the notch of the caulking groove is improved, and the attachment sealing performance between the caulking groove and the cover plate is ensured. When A is less than 5 degrees, the vertical thickness of the anti-warping ring is smaller, and the effect of improving the deformation resistance of the rabbet of the caulking groove is not good enough; when A is more than 20 degrees, the thickness of the anti-warping ring is larger, so that the groove wall of the caulking groove can be separated from the periphery of the cover plate under the action of the anti-warping ring, and the attaching tightness is influenced.

Preferably, the radial cross-sectional profiles of the circumferential sections of the sealing rings are the same, and the top surfaces of the sealing rings are arc surfaces with bulged middle parts. The cross-sectional profiles of all sections of the sealing ring are the same, so that all sections of the sealing ring have balanced deformation resistance, the sections of the sealing ring and corresponding sections of the periphery of the cover plate are ensured to have better attaching sealing performance, the outer edge and the inner edge of the top surface of the sealing ring are lower than those of the middle part, and the condition that the top edge of the caulking groove notch is tilted upwards is effectively prevented.

Preferably, the diameter of the arc surface is B, and B is more than or equal to 200mm and less than or equal to 300mm, so that the deformation resistance of the top of the sealing ring can be improved by the arc surface, the thickness of the middle part of the sealing ring is effectively reduced, and the consumption of raw materials is reduced. When B is less than 200mm, the diameter of the arc surface is too small, so that the middle part of the top surface of the sealing ring excessively bulges, the using amount of raw materials is large, and the thicknesses of the outer edge and the inner edge of the top surface of the sealing ring are small, so that the formed anti-warping pre-tightening force is weak; when B is larger than 300mm, the top surface of the sealing ring tends to be flat, so that the whole anti-warping pretightening force of the top of the sealing ring is weaker.

Preferably, the lower edge of the notch of the caulking groove extends downwards obliquely to form a sealing edge, and after the upper shell is covered in place, the sealing edge is in sealing fit with the periphery of the top surface of the lower shell through deformation. The sealing edge is in sealing fit with the periphery of the top surface of the lower shell through self deformation, and the sealing performance between the sealing ring and the lower shell is ensured.

Preferably, the sealing edge comprises a connecting part connected with the lower edge of the notch and a horizontally arranged attaching part. The jointing part is obliquely arranged downwards, so that the jointing part is suspended below the periphery of the bottom surface of the cover plate, and a space for deformation of the jointing part is formed between the jointing part and the cover plate.

Preferably, the section profile of the groove cavity of the caulking groove is matched with the profile of the outer edge of the cover plate, and the outer edge of the cover plate is tightly attached to the groove cavity after the caulking groove is installed in place. The cell wall of caulking groove presss from both sides tight laminating with the apron outer fringe, promotes sealing performance through increasing laminating area.

Preferably, the cover plate includes a ring-shaped viewing glass provided on a peripheral edge of a bottom surface of the upper case. The visual glass can provide an observation channel for a user, and the user can conveniently observe the cooking condition of food materials. The sealing ring is sleeved on the periphery of the visible glass to ensure that the periphery of the visible glass is in sealing connection with the periphery of the top surface of the lower shell.

The utility model has the advantages that: the sealing washer promotes the proof warp pretightning force through setting up the proof warp ring, ensures that the sealing washer closely wraps up on the apron periphery, and then ensures that the sealing washer can effectively the shutoff go up casing and lower casing gap, prevents to cook the intracavity hot-blast outside leakage, and both promote culinary art efficiency, it is long when shortening the culinary art, still effectively prevent hot-blast outside leakage and take place to scald the condition of user, ensure safe in utilization.

Drawings

FIG. 1 is a schematic cross-sectional view of an air fryer, according to an embodiment, shown disassembled;

FIG. 2 is a schematic cross-sectional view of a seal ring according to a second embodiment;

FIG. 3 is a schematic structural diagram of the upper housing according to the second embodiment;

in the figure: 1. the heating device comprises an upper shell, 11, a heating cavity, 12, a fan, 13, a heating pipe, 14, a cover plate, 141, visible glass, 2, a lower shell, 21, a cooking cavity, 3, a fryer component, 4, a sealing ring, 41, an anti-warping ring, 42, a caulking groove, 43, a connecting part, 44, a bonding part, 45 and an arc surface.

Detailed Description

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

The first embodiment is as follows:

the embodiment provides an air fryer with good sealing performance.

An air that leakproofness is good explodes pot as shown in fig. 1 comprises last casing 1 and lower casing 2 through hinged joint, goes up to be equipped with in the casing 1 and generates heat chamber 11, generate heat and be equipped with hot-blast subassembly in the chamber 11, hot-blast subassembly includes fan 12 and heating tube 13, be equipped with culinary art chamber 21 in the casing 2 down, be equipped with in the culinary art chamber 21 and explode pot subassembly 3, the bottom of going up casing 1 is equipped with apron 14, sealing washer 4 has been set to the outer fringe cover of apron 14, the inner edge of sealing washer 4 is equipped with the anti-warp ring 41 that vertical extension formed, so that sealing washer 4 inner edge have with the anti-warp pretightning force of the inseparable laminating of 14 outer fringes of.

In this embodiment, the heating cavity 11 is disposed above the cooking cavity 21, a hot air assembly is disposed in the heating cavity 11, an opening communicated with the cooking cavity 21 is disposed at the bottom of the heating cavity 11, and hot air generated by the hot air assembly passes through the opening from top to bottom and flows into the cooking cavity 21 downward, so that food materials in the cooking cavity 21 are heated and cooked.

Specifically, go up casing 1 bottom and be equipped with the wind scooper, the middle part of wind scooper forms roof and the lateral wall that generates heat the chamber 11 through upwards sunken formation, hot-blast subassembly sets up in the wind scooper, in this structure, the wind scooper both plays the effect of guide hot-blast towards the regional flow of predetermineeing, ensures that the heat is concentrated to be carried to the culinary art in the chamber 21, promotes and eats material cooked efficiency, still plays thermal-insulated effect, prevents that the heat that hot-blast subassembly produced from transmitting to casing 1 top, prevents to go up the electric elements in casing 1 and breaks down because of the rise of the ambient temperature of locating, ensures the stability in use of air fryer, promotes and uses experience.

In this embodiment, the hot air assembly includes a fan 12 and a heating pipe 13, the fan 12 is located above the heating pipe 13, the fan 12 extracts air flowing upwards along the side wall of the wind scooper and forms airflow blowing downwards along the axial direction, the airflow flows through the heating pipe 13 and forms hot air flowing into the cooking cavity 21, and the hot air contacts with the food material and transfers heat to the food material after flowing into the cooking cavity 21, so that the food material is gradually cooked from outside to inside. The hot air can cause the temperature to reduce and spread to the periphery of the cooking cavity 21 because of contacting with the food material, and an air source is provided for being extracted and heated again by the hot air assembly, so that the air is circularly extracted and heated to improve the heat utilization efficiency.

In the present embodiment, the upper case 1 and the lower case 2 are connected by a hinge, specifically, the lower rear edge of the upper case 1 and the upper rear edge of the lower case 2 are connected by a hinge, so that the upper case 1 is swingably connected to the lower case 2. The upper casing 1 swings around the hinge as a center so that the upper casing 1 can be switched between an open state in which the top of the cooking chamber 21 is open and a closed state in which the top of the cooking chamber 21 is closed.

In use, first, the upper case 1 is swung to be switched to an open state so that the top of the cooking cavity 21 is exposed; then, the fryer assembly 3 with the food materials is placed into the cooking cavity 21; then, the upper shell 1 is switched from the open state to the closed state, so that the cooking cavity 21 is isolated from the external space; finally, the hot air component is started, and hot air generated by the hot air component is input into the fryer component 3 to cook food.

In this embodiment, when the upper casing 1 is switched from the open state to the closed state by swinging, the bottom periphery of the upper casing 1 is lapped on the top periphery of the lower casing 2, the bottom of the upper casing 1 is provided with the cover plate 14, the periphery of the cover plate 14 is sleeved with the sealing ring 4, after the cover plate 14 is covered in place, the sealing ring 4 is respectively attached to the cover plate 14 and the top periphery of the lower casing 2 in a sealing manner, and the gap between the bottom periphery of the upper casing 1 and the top periphery of the lower casing 2 is reduced to prevent the hot air in the cooking cavity 21 from diffusing outwards, but in this structure, when in use, the hot air is blown into the gap between the sealing ring 4 and the periphery of the cover plate 14, so that the sealing ring 4 tilts and is separated from the cover plate 14, and the hot air can leak outwards from the space between the upper casing 1 and the lower casing 2, which not only affects the cooking efficiency due to the outward leakage of the hot air, but also causes scalding, potential safety hazards exist. Therefore, the anti-warping ring 41 is arranged on the inner edge of the sealing ring 4, and the anti-deformation performance of the inner edge of the sealing ring 4 is improved by the anti-warping ring 41, so that the inner edge of the sealing ring 4 has anti-warping pre-tightening force which is tightly attached to the outer edge of the cover plate 14, hot air in the cooking cavity 21 is effectively prevented from leaking outside, the cooking efficiency is effectively improved, the use safety is also ensured, and the scalding situation is prevented.

In this embodiment, the bottom of going up casing 1 is equipped with apron 14, sealing washer 4 cover is put at apron 14 outer fringe, the vertical projection of apron 14 matches with the uncovered profile in culinary art chamber 21 top, has both ensured that apron 14 can completely cover uncovered, still plays the design effect to sealing washer 4, ensures that sealing washer 4 can match the laminating with 2 top surface peripheries down, promotes sealed effect.

In this embodiment, the inner edge of the sealing ring 4 is provided with a vertically extending anti-warping ring 41. The anti-deformation performance of the inner edge of the sealing ring 4 is improved by arranging the anti-warping ring 41, specifically, the thickness of the inner edge of the sealing ring 4 can be increased by the anti-warping ring 41, so that the inner edge of the sealing ring 4 has better vertical bending resistance, the situation that the inner edge of the sealing ring 4 is separated from the periphery of the cover plate 14 due to vertical bending is prevented, and the attaching sealing performance between the sealing ring 4 and the cover plate 14 is ensured.

Example two:

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

As shown in fig. 2, a caulking groove 42 formed in the circumferential direction is formed in the middle of the inner edge of the sealing ring 4, and the sealing ring 4 is sleeved on the outer edge of the cover plate 14 from outside to inside through the caulking groove 42. The sealing ring 4 forms anti-warping pre-tightening force through self elastic recovery performance, so that the connection sealing performance between the sealing ring 4 and the periphery of the cover plate 14 is ensured.

Specifically, the middle part of the inner edge of the sealing ring 4 forms an embedded groove 42 with a notch opening inward in the radial direction through the radial recess, when the sealing ring 4 is installed, the sealing ring 4 is sleeved on the periphery of the cover plate 14 through expanding deformation, so that the embedded groove 42 is sleeved on the periphery of the cover plate 14 through the self elastic recovery performance of the sealing ring 4, the sealing ring 4 and the cover plate 14 are ensured to be firmly connected and synchronously linked, and the upper shell 1 is ensured to be in sealing fit with the periphery of the top surface of the lower shell 2 when being switched to the closed state.

In this embodiment, caulking groove 42 is including enclosing last cell wall and the lower cell wall that closes formation slot cavity, the bottom surface edge downwardly extending of going up the cell wall forms proof warp ring 41 promotes its anti vertical deformation performance through the thickness that increases the cell wall edge, effectively resists the deformation effort that the cell wall produced because of being insufflated hot-blast between with apron 14, ensures that each section of circumference of going up the cell wall all seals the laminating with apron 14 top surface periphery.

In this embodiment, the edge of the upper groove wall is bent downward by providing the anti-warping edge, and the middle portion of the upper groove wall is raised upward by forming the arc surface 45, so that the top of the sealing ring 4 is in an arc shape with the raised middle edge bent downward, and the inner edge of the top of the sealing ring 4 can prevent deformation and expansion by using the self-deformation restoring force, thereby preventing the upper groove wall from being separated from the cover plate 14.

In this embodiment, the diameter of arc 45 is B, and B =250mm both ensures that arc 45 can promote the anti deformability at sealing washer 4 top, still effectively reduces sealing washer 4 middle part thickness, reduces the raw materials quantity.

In this embodiment, the anti-warping ring 41 is formed by extending the upper edge of the notch of the insertion groove 42 downward, and after the anti-warping ring 41 is installed in place, the top surface of the cover plate 14 is tightly attached to the edge of the anti-warping ring 41. The anti-warping ring 41 is annular and is laid along the bottom surface of the inner edge of the upper groove wall. Specifically, the cross-sectional profile of proof warp ring 41 is triangle-shaped, the inner edge of proof warp ring 41 with the vertical alignment setting of 4 inner edges of sealing washer, the cross-sectional profile of proof warp ring 41 is the right angle triangle-shaped form, including the long limit of right angle, right angle minor face and hypotenuse, when setting up, the long limit of right angle and the bottom surface edge rigid coupling of last cell wall for the setting of vertical alignment of right angle minor face and 4 inner edges of sealing washer. After the processing is finished, the bottom surface of the warping-proof ring 41 and the included angle between the top walls of the caulking grooves 42 are A, A =10 degrees, so that the warping-proof ring 41 can be tightly attached to the peripheral top surface of the cover body through self deformation, the deformation resistance of the notches of the caulking grooves 42 is improved, and the attaching sealing performance between the caulking grooves 42 and the cover plate 14 is ensured.

In this embodiment, the radial cross-sectional profiles of each circumferential section of the sealing ring 4 are the same, and the top surface of the sealing ring 4 is an arc surface 45 with a raised middle part, so that each circumferential section of the sealing ring 4 has the same anti-warping pretightening force, the situation that the local section of the sealing ring 4 is not deformed due to uneven stress under the long-term heating condition is ensured, and the sealing stability and the service life of the sealing ring 4 are ensured.

In this embodiment, the cross-sectional profile of the cavity of the caulking groove 42 matches the profile of the outer edge of the cover plate 14, and the outer edge of the cover plate 14 fits closely with the cavity after being installed in place. Specifically, the diameter of the inner edge of the sealing ring 4 is smaller than the diameter of the outer edge of the cover plate 14, the diameter of the bottom wall of the groove corresponding to the notch in the caulking groove 42 is matched with the diameter of the outer edge of the cover plate 14, when the sealing ring is installed, the edge of the upper groove wall spans the edge of the cover plate 14 from bottom to top through stretching, expanding and deformation, the upper groove wall is reset through deformation after the span is completed, the upper groove wall is tightly attached to the periphery of the top surface of the cover plate 14, the periphery of the bottom surface of the cover plate 14 is tightly attached to the lower groove wall, the outer side wall of the cover plate 14 is tightly attached to the bottom wall of the groove, and therefore the sealing effect is improved by increasing the attaching area.

In this embodiment, the lower edge of the notch of the caulking groove 42 extends downward obliquely to form a sealing edge, and after the upper shell 1 is covered in place, the sealing edge is in sealing fit with the periphery of the top surface of the lower shell 2 through deformation. The diameter of the inner edge of the sealing edge is smaller than that of the inner edge of the opening of the cooking cavity 21, the diameter of the outer edge of the sealing ring 4 is larger than that of the top surface of the lower shell 2, when the upper shell 1 is covered in place, the bottom surface of the sealing ring 4 can completely cover the peripheral area of the opening, and the sealing performance is improved by increasing the contact area.

In this embodiment, the sealing edge includes a joining portion 43 connected to a lower edge of the notch and a horizontally disposed attaching portion 44. The sealing edge and the sealing ring 4 are integrally processed to form, specifically, the outer edge of the connecting part 43 is fixedly connected with the edge of the lower groove wall, the inner edge of the connecting part 43 is fixedly connected with the outer edge of the attaching part 44, deformation spaces are arranged between the bottom surfaces of the connecting part 43 and the cover plate 14 and between the bottom surfaces of the attaching part 44 and the cover plate 14, and when the upper shell 1 swings to a closed state, the sealing edge is tightly clamped between the upper shell 1 and the lower shell 2, so that the sealing edge can be hermetically attached to the peripheral area of the opening through self deformation.

In the present embodiment, the cover plate 14 is a ring-shaped viewing glass 141 (as shown in fig. 3) provided on the periphery of the bottom surface of the upper case 1. Visual glass 141 can provide the observation passageway for the user, ensures that the edible material change can be directly perceived by the user in the culinary art chamber 21, and then promotes the culinary art taste through in time adjusting the culinary art operation. When the device is installed, the sealing ring 4 is directly sleeved on the outer edge of the visual glass 141 through the caulking groove 42, so that the outer edge of the visual glass 141 is hermetically connected with the periphery of the opening.

It is understood that the parameter B can also be 200mm, 240mm, 260mm, 300mm, etc., as long as the requirement of 200mm ≦ B ≦ 300mm is met.

It is understood that the parameter A can also be 5 degrees, 9 degrees, 11 degrees, 15 degrees, 20 degrees, etc., as long as the requirement that A is less than or equal to 5 degrees and less than or equal to 20 degrees is met.

Other structures and effects of the air fryer in this embodiment are consistent with those of the embodiment, and are not described again.

Claims (10)

1. The utility model provides a pot is fried to air that leakproofness is good, includes through hinged joint's last casing and lower casing, is equipped with the chamber that generates heat in the last casing, the intracavity that generates heat is equipped with hot-blast subassembly, hot-blast subassembly includes fan and heating tube, the internal culinary art chamber that is equipped with of inferior valve, the culinary art intracavity is equipped with fried pot subassembly, a serial communication port, the bottom of going up the casing is equipped with the apron, the sealing washer has been put to apron outer fringe cover, the inner edge of sealing washer is equipped with the proof warp ring that vertical extension formed, so that the sealing washer inner edge have with the proof warp pretightning force that the apron outer.

2. The air fryer with good sealing performance as claimed in claim 1, wherein a caulking groove is formed in the middle of the inner edge of the sealing ring in the circumferential direction, and the sealing ring is sleeved on the outer edge of the cover plate from outside to inside through the caulking groove.

3. The air fryer with good sealing performance as claimed in claim 2, wherein the anti-warping ring is formed by extending downwards from the upper edge of the notch of the caulking groove, and is tightly attached to the periphery of the top surface of the cover plate after being installed in place.

4. The air fryer with good sealing performance as claimed in claim 2, wherein the cross-sectional profile of the anti-warping ring is triangular, the inner edge of the anti-warping ring is vertically aligned with the inner edge of the sealing ring, the included angle between the bottom surface of the anti-warping ring and the top wall of the caulking groove is A, and A is more than or equal to 5 degrees and less than or equal to 20 degrees.

5. The air fryer with good sealing performance as claimed in claim 2, wherein the radial cross-sectional profiles of the circumferential sections of the sealing ring are the same, and the top surface of the sealing ring is a circular arc surface with a raised middle part.

6. The air fryer with good sealing performance as claimed in claim 5, wherein the diameter of the circular arc surface is B, and B is more than or equal to 200mm and less than or equal to 300 mm.

7. The air fryer with good sealing performance as claimed in claim 2, wherein the lower edge of the rabbet of the caulking groove extends downwards obliquely to form a sealing edge, and the sealing edge is in sealing fit with the periphery of the top surface of the lower shell through deformation after the upper shell is covered in place.

8. A highly sealed air fryer according to claim 7, wherein said sealing lip comprises a seam joining the lower edge of the slot and a horizontally disposed abutment.

9. A highly sealed air fryer according to any one of claims 2-8, wherein the cross-sectional profile of the cavity of said caulking groove matches the profile of the outer rim of said cover plate, and when in place, the outer rim of said cover plate fits snugly into said cavity.

10. A good air seal fryer according to claim 9, wherein said cover plate comprises a ring-shaped sight glass provided at the periphery of the bottom surface of the upper shell.

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