CN219940396U - Air fryer - Google Patents

Abstract

The utility model relates to the field of small household appliances, in particular to an air fryer. The cooking device comprises a machine body with a cooking cavity and a heating element arranged on the machine body, wherein a reflecting cover and a metal screen are arranged on the machine body up and down, the heating element is arranged between the reflecting cover and the metal screen, the metal screen is arranged above the cooking cavity, the distance between the lower end face of the heating element and the metal screen is smaller than 8mm, and the metal screen is grounded and the heating element is not grounded. The utility model provides an air fryer, which adopts a conductive metal net cover and grounds the metal net cover, and a heating element is not grounded, so that the problem of electricity safety caused by inconvenient grounding of the heating element or no grounding structure is solved, the grounding safety requirement is met under the condition that the distance between the heating element and the metal net cover is smaller, and the problem of electricity safety is not caused even if a user touches the metal net cover.

Description

Air fryer

Technical Field

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

Background

The air fryer is different from the traditional oven, and is characterized in that air is used for replacing hot oil in the original frying pan, convection hot air is used for heating, rapid circulation heat flow is formed in a closed cavity by hot air, so that food is cooked, the air fryer is provided with a machine body, a cooking cavity and a heating element, the heating element is arranged on the machine body, the traditional air fryer is generally in a mode that a heating tube is directly grounded, and the heating tube is generally a metal heating tube, so that the heating efficiency is low. Such as chinese patent grant publication number CN218419489U, entitled "ground structure for air fryer"; for example, chinese patent publication No. CN217039796U, entitled "Universal Assembly Structure for movement in air fryer" discloses a structure design in which the heating tube is directly grounded.

In order to pursue miniaturization, the air fryer often compresses the whole volume, the structure is compact, the situation that the distance between a heating tube and a net cover is small at the moment possibly exists, the distance is often smaller than 8mm required by safety creepage distance, and therefore safety grounding cannot be achieved under many conditions. For example, some heating pipes are inconvenient to be grounded due to limited installation positions and installation spaces; some heating tubes are not provided with grounded elements; in addition, the user can easily touch the mesh enclosure below the heating tube, and because the mesh enclosure is very close to the heating tube, if the heating tube is not grounded, the problem of electricity safety can exist.

Disclosure of Invention

In view of the above disadvantages, the present utility model aims to provide an air fryer, which adopts a conductive metal mesh enclosure and grounds the metal mesh enclosure, but does not ground a heating element, so as to solve the problem of electrical safety caused by inconvenient grounding of the heating element or no grounding structure, and meet the requirement of grounding safety under the condition of smaller space between the heating element and the metal mesh enclosure, and even if a user touches the metal mesh enclosure, the problem of electrical safety is not caused.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an air fryer, includes the organism that has the culinary art chamber, establishes the heating element on the organism, be equipped with reflector, the metal screen panel of arranging from top to bottom on the organism, heating element is located between reflector, the metal screen panel, and the metal screen panel covers in the top in culinary art chamber, and heating element's lower terminal surface is less than 8mm with the distance of metal screen panel, and metal screen panel ground connection and heating element are not grounded.

In this technical scheme, in the organism of air fryer, utilize heating element to produce high temperature, the high temperature gives the air with the heat transfer, and then produce hot-blast, the metal mesh enclosure of setting below heating element, culinary art chamber top can play certain isolation effect, the reflector of heating element top is arranged in to heat to the culinary art chamber in, in small-size air fryer, in order to improve heating efficiency, compact structure, miniaturization and lightweight, heating element's lower terminal surface is less than 5mm with the distance of metal mesh enclosure, the distance of not satisfying the 8mm of safety rule creepage distance requirement this moment, and heating element and metal mesh enclosure space are narrow and small, adopt the metal mesh enclosure that can electrically conduct as ground structure, form the safety protection metal mesh enclosure of small-spacing, and heating element is ungrounded, solve the heating element and be inconvenient for the ground connection or not set up the electricity safety problem that ground structure brought, satisfy ground safety requirement under heating element and metal mesh enclosure space less circumstances, even user touch metal mesh enclosure, also can not bring the electricity safety problem.

The utility model is further arranged to: the metal mesh enclosure is connected with the reflecting cover, the reflecting cover is grounded through the grounding structure, and through the setting, the reflecting cover is grounded through the grounding structure on the reflecting cover.

The utility model is further arranged to: the metal mesh enclosure is arranged at intervals with the reflecting cover, the metal mesh enclosure is directly grounded through the grounding structure, and when the metal mesh enclosure is not directly connected with the reflecting cover, the metal mesh enclosure can be directly grounded, so that the electricity safety of the whole machine is ensured.

The utility model is further arranged to: the reflecting cover and the metal mesh cover are attached to each other through planes at the edge parts, the middle part of the reflecting cover protrudes upwards to enable a containing cavity to be formed between the middle part of the reflecting cover and the middle part of the metal mesh cover, the heating element is installed in the containing cavity, the reflecting cover and the metal mesh cover are both planes at the outer edge parts and are attached to each other, the effective connection between the metal mesh cover and the reflecting cover is achieved through the lap joint of the planes of the reflecting cover and the metal mesh cover, the middle part of the reflecting cover protruding upwards is matched with the middle part of the metal mesh cover below the reflecting cover, and the containing cavity capable of installing the heating element is formed to provide installation space for the heating element.

The utility model is further arranged to: the edge of the reflecting cover and the edge of the metal net cover are provided with fixing holes, the metal net cover is connected with the reflecting cover through fasteners penetrating through the fixing holes, the reflecting cover is arranged above the metal net cover, the fixing holes are correspondingly formed in the plane of the outer edges of the metal net cover and the plane of the outer edges of the reflecting cover, the fasteners are used for assembling, and the fasteners penetrate through the fixing holes of the metal net cover and the fixing holes of the reflecting cover and lock the metal net cover and the reflecting cover, so that the metal net cover and the reflecting cover are connected together.

The utility model is further arranged to: the fastener is the double-screw bolt, lock nut, and the double-screw bolt is worn to establish in the fixed orifices from bottom to top, and lock nut connects on the double-screw bolt to link together metal screen panel and reflecting cover, the fastener of the fixed orifices of passing metal screen panel, reflecting cover comprises double-screw bolt and lock nut, and when metal screen panel and reflecting cover were connected, worn to establish the double-screw bolt in the fixed orifices from bottom to top, can dodge other structures above the reflecting cover, convenient operation, rethread lock nut and gasket connect on the double-screw bolt, realize the locking between metal screen panel, the reflecting cover.

The utility model is further arranged to: the middle part of metal screen panel is protruding downwards, and metal screen panel is protruding downwards degree of depth is less than the protruding degree of depth of bowl up, and bowl middle part upwards protrudes, and the middle part of the metal screen panel of setting in the bowl below is protruding downwards to form and occupy the space and be used for installing heating element's holding chamber, the protruding degree of depth of bowl below metal screen panel is less downwards, makes holding chamber can not occupy the space of culinary art chamber.

The utility model is further arranged to: the reflecting cover is connected with the cavity of the cooking cavity and clamps the metal net cover, the reflecting cover above the heating element is connected with the inner cavity of the cooking cavity for preventing heat dissipation in the cooking cavity so as to improve heating efficiency, the outer edge of the reflecting cover is tightly pressed by the metal net cover, a grounding mark is arranged on the surface of one side of the reflecting cover, far away from the metal net cover, of the reflecting cover, and a heat insulation pad is further arranged on the reflecting cover and used for preventing heat of the heating element from being transferred to one side of the reflecting plate and preventing high temperature from affecting the working performance and service life of other components.

The utility model is further arranged to: the upper end of the cavity of the cooking cavity is provided with a clamping rib, the metal mesh cover part is clamped below the clamping rib to form a limit, the mesh cover is limited by profiling the cavity of the cooking cavity, and the metal mesh cover part stretches into the lower part of the clamping rib at the upper end of the cavity of the cooking cavity to form a limit.

The utility model is further arranged to: the heating element is a light wave tube, the heating element adopts the light wave tube, the light wave tube is a material which has the intensity larger than steel, the density smaller than aluminum, the corrosion resistance higher than stainless steel, the high temperature resistance higher than heat-resistant steel, and the conductivity like copper, can rapidly generate high temperature and high heat, has the advantages of rapid cooling speed and higher heating efficiency, and can not be burnt, thereby ensuring the color of food.

The utility model has the advantages that: (1) The conductive metal mesh enclosure is used as a grounding structure to form a small-space safety protection metal mesh enclosure, the heating element is not grounded, the problem of electricity safety caused by inconvenient grounding of the heating element or no grounding structure is solved, the grounding safety requirement is met under the condition that the distance between the heating tube and the metal mesh enclosure is smaller, and the problem of electricity safety is not caused even if a user touches the metal mesh enclosure; (2) The reflecting cover and the metal mesh cover are planar at the outer edge and are mutually attached, the effective connection between the metal mesh cover and the reflecting cover is realized through the lap joint of the plane parts of the reflecting cover and the metal mesh cover, the middle part of the upward bulge of the reflecting cover is matched with the middle part of the downward bulge of the metal mesh cover below the reflecting cover, so that a containing cavity for installing a heating element is formed, and the depth of the downward bulge of the metal mesh cover below the reflecting cover is smaller, so that the containing cavity cannot occupy the space of the cooking cavity.

Drawings

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

FIG. 2 is a schematic diagram illustrating a structure of a distance between a heating element and a metal mesh enclosure according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram illustrating an assembly of a reflective cover and a metal mesh enclosure according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram illustrating a connection between a reflective cover and a metal mesh enclosure according to an embodiment of the present utility model;

FIG. 5 is a cross-sectional view of one of the angles of the air fryer in one embodiment of the utility model;

FIG. 6 is an enlarged view at A in FIG. 5;

FIG. 7 is a schematic diagram showing a structure of a reflector and a metal mesh enclosure connected in an embodiment of the present utility model;

fig. 8 is a schematic structural view of a connection between a metal mesh enclosure and an inner cavity according to an embodiment of the present utility model.

Reference numerals: the cooking device comprises a machine body 100, a cooking cavity 101, a clamping rib 102, an inner cavity 103, a heating element 200, a reflecting cover 300, a grounding mark 301, a heat insulation pad 302, a metal screen 400, a containing cavity 500, a fixing hole 600, a fastener 700, a stud 701 and a locking nut 702.

Detailed Description

In the description of the present embodiment, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like are presented, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the indicated apparatus or element must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.

The utility model is further described below with reference to the drawings and specific examples.

Referring to fig. 1 to 8, an electric kettle in an embodiment of the present utility model includes a body 100 and a heating element 200 provided on the body 100, the body 100 has a cooking cavity 101, a reflecting cover 300 and a metal mesh cover 400 are disposed on the body 100, the heating element 200 is disposed between the reflecting cover 300 and the metal mesh cover 400, the metal mesh cover 400 is disposed above the cooking cavity 101, a distance between a lower end surface of the heating element 200 and the metal mesh cover 400 is less than 8mm, the metal mesh cover 400 is grounded, and the heating element 200 is not grounded.

In this embodiment, in the machine body 100 of the air fryer, the heating element 200 is used to generate high temperature, the high temperature transfers heat to the air, and then generates hot air, the metal mesh enclosure 400 arranged below the heating element 200 and above the cooking cavity 101 can play a certain role in isolation, the reflecting cover 300 above the heating element 200 is used to reflect heat to the cooking cavity 101, in the small air fryer, in order to improve heating efficiency, the light wave tube without grounding is adopted as the heating element 200 (the light wave tube is a metal mesh enclosure 200 with strength larger than steel and density smaller than aluminum and corrosion resistant than stainless steel and higher than heat resistant steel, and is conductive like copper), high temperature and high heat can be generated rapidly, cooling speed is also fast, heating efficiency is higher, and scorching is not performed, so as to ensure food color and luster), in order to keep compact structure, miniaturization and light weight, the distance between the lower end face of the heating element 200 and the metal mesh enclosure 400 is smaller than 8mm, as shown in fig. 2, d is smaller than 8mm, and thus the user-friendly metal mesh enclosure 200 can be grounded by adopting a metal mesh enclosure 200 with a metal structure which can be touched by a user, and the distance between the metal mesh enclosure 200 and the safety mesh enclosure 200 is not met, and the safety problem is not met, even if the safety problem is solved, the safety problem is not is solved, the safety problem is that the ground is not is met, the ground, the metal mesh enclosure 400 is not is formed, and the ground-friendly mesh enclosure 200, and the ground-friendly structure is not the metal mesh enclosure, and the metal mesh enclosure is contacted.

Referring to fig. 3 and 4, in order to realize connection between the metal mesh enclosure 400 and the reflective enclosure 300, and further realize indirect grounding of the metal mesh enclosure 400, the metal mesh enclosure 400 is connected with the reflective enclosure 300, the reflective enclosure 300 is grounded through a grounding structure, and through the arrangement, the reflective enclosure 300 is grounded through the grounding structure on the reflective enclosure 300, and since the metal mesh enclosure 400 is connected with the reflective enclosure 300 together and the metal mesh enclosure 400 is electrically conductive with the reflective enclosure 300, the indirect grounding of the metal mesh enclosure 400 is realized, and thus, the effective grounding of the metal mesh enclosure 400 can be completed, and the electricity safety of the whole machine is ensured.

The reflector 300 and the metal mesh enclosure 400 are attached to each other through a plane at the edge part, the middle part of the reflector 300 protrudes upwards to enable a containing cavity 500 to be formed between the middle part of the reflector 300 and the middle part of the metal mesh enclosure 400, the heating element 200 is installed in the containing cavity 500, the reflector 300 and the metal mesh enclosure 400 are both plane at the outer edge and attached to each other, the metal mesh enclosure 400 and the reflector 300 are effectively connected through overlapping of the planes of the reflector 300 and the metal mesh enclosure 400, the protruding middle part of the reflector 300 is matched with the middle part of the metal mesh enclosure 400 below the reflector 300 to form the containing cavity 500 capable of installing the heating element 200, the reflector 300 and the edge part of the metal mesh enclosure 400 are provided with fixing holes 600, the metal mesh enclosure 400 and the reflector 300 are connected together through fasteners 700 penetrating through the fixing holes 600, the fixing holes 600 are correspondingly formed in the planes of the outer edges of the metal mesh enclosure 400 and the reflector 300, the fasteners 700 are used for assembling the fasteners 700, the metal mesh enclosure 400 and the reflector 300 are penetrated through the fixing holes 600, and the metal mesh enclosure 400 and the reflector 300 are connected together, and the reflector 300 are tightly locked together.

Referring to fig. 5, 6 and 7, in one embodiment of the present utility model, the fastening member 700 is a stud 701 and a lock nut 702, the stud 701 is threaded through the fixing hole 600 from bottom to top, the lock nut 702 is connected to the stud 701 to connect the metal mesh enclosure 400 and the reflective cover 300 together, at this time, the fastening member 700 passing through the fixing hole 600 of the metal mesh enclosure 400 and the reflective cover 300 is composed of the stud 701 and the lock nut 702, and when the metal mesh enclosure 400 is connected to the reflective cover 300, the stud 701 is threaded through the fixing hole 600 from bottom to top, so that other structures above the reflective cover 300 can be avoided, the operation is convenient, and the locking between the metal mesh enclosure 400 and the reflective cover 300 is realized by connecting the lock nut 702 and a gasket to the stud 701.

It can be appreciated that in one embodiment of the present utility model, the fastening member 700 is a stud 701 and a lock nut 702, the stud 701 is threaded through the fixing hole 600 from top to bottom, the lock nut 702 is connected to the stud 701, and can also connect the metal mesh enclosure 400 and the reflective cover 300 together, at this time, the fastening member 700 passing through the fixing hole 600 of the metal mesh enclosure 400 and the reflective cover 300 is composed of the stud 701 and the lock nut 702, and when the metal mesh enclosure 400 and the reflective cover 300 are connected, the stud 701 is threaded through the fixing hole 600 from top to bottom, so that other structures below the metal mesh enclosure 400 can be avoided, the operation is convenient, and the locking between the metal mesh enclosure 400 and the reflective cover 300 is realized by connecting the lock nut 702 and the gasket to the stud 701.

Referring to fig. 1, 3, 5, and 6, in order to form the accommodating chamber 500 without reducing the space of the cooking chamber 101, the middle portion of the metal mesh enclosure 400 protrudes downward, the depth of the metal mesh enclosure 400 protruding downward is smaller than the depth of the reflection cover 300 protruding upward, the middle portion of the reflection cover 300 protrudes upward, the middle portion of the metal mesh enclosure 400 disposed under the reflection cover 300 protrudes downward, thereby forming the accommodating chamber 500 occupying a certain space for mounting the heating element 200, and the depth of the metal mesh enclosure 400 protruding downward under the reflection cover 300 is smaller, so that the accommodating chamber 500 does not occupy the space of the cooking chamber 101.

It will be appreciated that, in an embodiment of the present utility model, for indirect grounding of the metal mesh enclosure 400, the reflective cover 300 is connected to the cavity of the cooking cavity 101 and clamps the metal mesh enclosure 400, the reflective cover 300 above the heating element 200 is connected to the inner cavity 103 of the cooking cavity 101 to prevent heat dissipation in the cooking cavity 101, so as to improve heating efficiency, the metal mesh enclosure 400 is pressed by the outer edge of the reflective cover 300, in order to meet safety requirements, as shown in fig. 3, a grounding mark 301 is provided on a side surface of the reflective cover 300 away from the metal mesh enclosure 400, that is, the grounding mark 301 is located on the outer side of the reflective cover 300, in order to improve heating efficiency and heat preservation effect, and in order to improve heating efficiency and heat preservation effect, as shown in fig. 6, a heat insulation pad 302 is further provided on the reflective cover 300, so that heat of the heating element can be prevented from being transferred to one side of the reflective plate, and high temperature is prevented from affecting the working performance and service life of other components.

Referring to fig. 6 and 8, in order to press the metal mesh enclosure 400 onto the inner cavity 103, the upper end of the cavity of the cooking cavity 101 is provided with a clamping rib 102, the metal mesh enclosure 400 is partially clamped under the clamping rib 102 to form a limit, the mesh enclosure is contoured with the cavity of the cooking cavity 101 to limit, and the metal mesh enclosure 400 is partially stretched under the clamping rib 102 at the upper end of the cavity of the cooking cavity 101 to form a limit.

It can be appreciated that, in one embodiment of the present utility model, the metal mesh enclosure 400 is spaced from the reflective enclosure 300, the metal mesh enclosure 400 is directly grounded through a grounding structure, and when the metal mesh enclosure 400 is not directly connected to the reflective enclosure 300, the metal mesh enclosure can be directly grounded, so as to ensure the electrical safety of the whole machine.

It is understood that the heating element 200 is not limited to use of an optical wave tube, and may be other heating tubes besides an optical wave tube, such as a stainless steel tube heating tube, a quartz tube, or the like.

It will be appreciated that the metal mesh enclosure grounding structure of the present utility model is applicable to a variety of air fryer configurations:

for example, the drawer type air fryer comprises a machine body 100 and a pot body, wherein the pot body can be pulled in and out, and a reflecting cover 300, a metal net cover 400 and a heating element 200 are all arranged on the machine body 100 which is fixed.

For another example, the flip type air fryer comprises a machine body 100 and a pot body, wherein the machine body 100 can be turned over and opened or closed relative to the pot body, the machine body 100 is equivalent to a flip, and the reflecting cover 300, the metal mesh cover 400 and the heating element 200 are all arranged on the machine body 100 which can be turned over.

For example, the split air fryer comprises a machine body 100 and a pot body, wherein the machine body 100 and the pot body can be completely separated, the machine body 100 is arranged at the upper part and the lower part in a common split mode, the machine body 100 can be directly separated from the pot body upwards under the pot body, and the reflecting cover 300, the metal screen 400 and the heating element 200 are arranged on the machine body 100 which can be separated from the pot body.

The foregoing embodiments are provided for further explanation of the present utility model and are not to be construed as limiting the scope of the present utility model, and some insubstantial modifications and variations of the present utility model, which are within the scope of the utility model, will be suggested to those skilled in the art in light of the foregoing teachings.

Claims (10)

1. An air fryer, including the organism that has the culinary art chamber, set up the heating element on the organism, its characterized in that: the kitchen range hood is characterized in that a reflecting cover and a metal net cover which are arranged up and down are arranged on the kitchen range hood, the heating element is arranged between the reflecting cover and the metal net cover, the metal net cover covers the upper part of the cooking cavity, the distance between the lower end face of the heating element and the metal net cover is smaller than 8mm, and the metal net cover is grounded and the heating element is not grounded.

2. An air fryer according to claim 1, wherein: the heating element is an optical wave tube.

3. An air fryer according to claim 1, wherein: the metal mesh enclosure is connected with the reflecting cover, and the reflecting cover is grounded through the grounding structure.

4. An air fryer according to claim 1, wherein: the metal mesh enclosure and the reflecting cover are arranged at intervals, and the metal mesh enclosure is directly grounded through the grounding structure.

5. An air fryer according to claim 3, wherein: the reflecting cover and the metal mesh cover are attached to each other through a plane at the edge part, the middle part of the reflecting cover protrudes upwards to form a containing cavity between the middle part of the reflecting cover and the middle part of the metal mesh cover, and the heating element is arranged in the containing cavity.

6. An air fryer according to claim 5, wherein: the edge parts of the reflecting cover and the metal net cover are provided with fixing holes, and the metal net cover and the reflecting cover are connected together through fasteners penetrating through the fixing holes.

7. An air fryer according to claim 6, wherein: the fastening piece is a stud and a locking nut, the stud is arranged in the fixing hole in a penetrating mode from bottom to top, and the locking nut is connected to the stud so as to connect the metal mesh enclosure and the reflecting cover together.

8. An air fryer according to claim 5, wherein: the middle part of the metal mesh enclosure protrudes downwards, and the depth of the downward protrusion of the metal mesh enclosure is smaller than the depth of the upward protrusion of the reflecting cover.

9. An air fryer according to claim 3, wherein: the reflecting cover is connected with the cavity of the cooking cavity and clamps the metal mesh enclosure.

10. An air fryer according to any one of claims 1 to 9, wherein: the upper end of the cavity of the cooking cavity is provided with a clamping rib, and the metal mesh cover part is clamped below the clamping rib to form a limit.