CN215777493U - Heating device and cooking utensil with same - Google Patents

Abstract

The utility model provides a heating device and a cooking utensil with the same, wherein the heating device comprises: an air duct structure; the heating main body is arranged at an outlet of the air duct structure; the air guide cover is arranged at the outlet of the air duct structure and covers the outer side of the heating main body; and the heat insulation structure is arranged between the wind scooper and the heating main body. The technical scheme of the application effectively solves the problem that the wind scooper in the related art is easy to deform when heated.

Description

Heating device and cooking utensil with same

Technical Field

The utility model relates to the technical field of small household appliances, in particular to a heating device and a cooking appliance with the same.

Background

In the related art, the air fryer comprises an air duct structure, a heating element arranged at an outlet of the air duct structure, and an air guide cover arranged outside the heating element. The wind channel structure is internally provided with a fan blade which rotates to suck wind into the wind channel structure and heats the air to generate hot wind when passing through the heating piece. Because the heating member continuously generates heat, the wind scooper is easy to deform and damage after being heated.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a heating device and a cooking utensil with the same, so as to solve the problem that an air guide cover in the related art is easy to deform when heated.

In order to achieve the above object, according to one aspect of the present invention, there is provided a heat generating device including: an air duct structure; the heating main body is arranged at an outlet of the air duct structure; the air guide cover is arranged at the outlet of the air duct structure and covers the outer side of the heating main body; and the heat insulation structure is arranged between the wind scooper and the heating main body.

By applying the technical scheme of the utility model, the heat insulation structure is arranged between the wind scooper and the heating main body. The heat insulation structure can separate the wind scooper from the heating main body to form a heat dissipation gap between the wind scooper and the heating main body, so that heat transferred from the heating main body to the wind scooper is reduced, the deformation possibility of the wind scooper can be reduced, and the heating device is prevented from being damaged. Therefore, the technical scheme of the application effectively reduces the problem that the wind scooper in the related art is easy to deform when heated.

Furthermore, the heat insulation structure comprises heat insulation ribs which are arranged on the air guide cover and surround the inner side surface of the outlet of the air duct structure. In the structure, the heat insulation ribs and the heating main body have smaller contact area, so that the heating main body can be supported while the effective heat insulation effect is achieved, and a heat dissipation gap can be formed between the wind scooper and the heating main body.

Further, the wind scooper includes the cover body and sets up the connecting plate at the bottom of cover body and downwardly extending, and thermal-insulated muscle is including setting up the thermal-insulated muscle of first thermal-insulated muscle on the medial surface of cover body and/or the thermal-insulated muscle of second of setting on the medial surface of connecting plate. In the structure, the first heat insulation rib separates the cover body from the heating main body to form a first heat dissipation gap between the cover body and the heating main body, and the second heat insulation rib separates the connecting plate from the heating main body to form a second heat dissipation gap between the connecting plate and the heating main body, so that a plurality of heat dissipation gaps are formed between the wind scooper and the heating main body, heat transfer of the heating main body is effectively reduced, and heat of the wind scooper is greatly reduced.

Furthermore, in order to optimize the structural layout and facilitate production, manufacturing and installation, the connecting plate is a coaming, and an avoiding notch is formed in the coaming.

Further, the wind scooper is connected at the outlet of the air duct structure through a connecting structure, and the connecting structure comprises an inserting structure and a clamping structure. In the structure, the stability of the air guide cover connected to the outlet of the air duct structure is enhanced through the inserting structure and the clamping structure, so that the air guide cover can be reliably connected to the air duct structure.

Furthermore, the inserting structure comprises a surrounding rib and a slot which are matched with each other, one of the surrounding rib and the slot is arranged on the top surface of the air duct structure, and the other one of the surrounding rib and the slot is arranged on the bottom surface of the air guide cover. In the structure, the mutual matching structure of the surrounding ribs and the slots is simple, and the positioning and the connection are convenient.

Furthermore, the clamping structure comprises a bayonet and a buckle which are matched with each other, one of the bayonet and the buckle is arranged on the side wall of the air duct structure, and the other is arranged at the bottom of the air guide cover. In the structure, the bayonet and the buckle are matched with each other simply, the connection is convenient, and the mounting efficiency is improved.

Furthermore, the wind scooper also comprises a circumferential extension part arranged at the air outlet of the cover body. In the structure, the wind scooper cover is arranged outside the heating main body, and the circumferential extension part extends for a certain distance along the circumferential direction of the cooker body, so that after the wind scooper is heated, heat can be spontaneously transmitted from a high-temperature position to a low-temperature position, the heat received by the cooker body is reduced, and the cooker body is prevented from generating a glue melting phenomenon.

Furthermore, the air duct structure comprises a front shell and a rear shell which is connected with the front shell in an embedded mode, an outlet of the air duct structure is arranged at the top of the front shell, the air guide cover is connected to the top of the front shell, and an inlet is formed in the side wall of the front shell; the heating device also comprises a fan blade arranged in the air duct structure and a motor for driving the fan blade to rotate; the heating main body comprises a shell and a heating piece positioned in the shell, and the air guide cover is covered on the outer side of the shell. In the structure, the motor drives the fan blades to rotate so that the fan blades generate airflow, the air duct structure can suck air from the inlet, and the air is blown out from the outlet from bottom to top.

Furthermore, the top of preceding shell has spacing frame, is provided with the card muscle on the medial surface of preceding shell, blocks the below that the muscle is located spacing frame, and the top of backshell is provided with the step face that supports spacing frame, and the casing is worn to establish in spacing frame, and wherein, the front side bottom of casing is provided with the flanging that extends along the horizontal direction, and the flanging card is between card muscle and spacing frame, and the rear side bottom of casing is supported by the step face. In the structure, the limiting frame can limit the shell, so that the wind scooper can be arranged at an outlet of the air duct structure. Meanwhile, the flanging is clamped between the clamping rib and the limiting frame, the bottom of the front side of the shell is limited, and the shell can be prevented from deflecting. At the moment, the step surface can support the shell, and the stability that the air guide cover can be installed at the outlet of the air duct structure is guaranteed.

According to another aspect of the present invention, there is provided a cooking appliance, comprising a pot body and a heat generating device provided on the pot body, the heat generating device being the above-mentioned heat generating device. The heating device can solve the problem that the wind guide cover in the related art is easy to deform due to heating, so that the cooking appliance comprising the heating device can solve the same technical problem.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 shows a schematic perspective view of an embodiment of a heat generating device according to the present invention;

FIG. 2 shows a schematic cross-sectional view of the heat-generating device of FIG. 1;

FIG. 3 shows an enlarged schematic view at A of the heat generating device of FIG. 2;

FIG. 4 is a perspective view of another perspective of the heat-generating device of FIG. 1;

fig. 5 is a perspective view illustrating a first view angle of the wind scooper of the heat generating device of fig. 1;

fig. 6 is a perspective view of a second view angle of the wind scooper of the heat generating device of fig. 1;

fig. 7 is a perspective view of a third view of the wind scooper of the heat generating device of fig. 1;

FIG. 8 is a schematic cross-sectional view of the heat generating device of FIG. 1 with the wind scooper removed;

FIG. 9 is an enlarged view of the heat generating device of FIG. 8 at B with the wind scooper removed;

FIG. 10 is an exploded view of the heat generating device of FIG. 8 with the wind scooper removed; and

fig. 11 shows a schematic cross-sectional view of an embodiment of a cooking appliance according to the utility model.

Wherein the figures include the following reference numerals:

10. an air duct structure; 11. a front housing; 111. clamping ribs; 12. a rear housing; 121. a step surface; 13. a limiting frame; 14. an outlet; 15. an inlet; 20. a heat-generating body; 21. a housing; 211. flanging; 22. a heat generating member; 30. a wind scooper; 31. a cover body; 32. a connecting plate; 321. avoiding the notch; 33. a circumferential extension; 40. a thermally insulating structure; 41. a first heat insulating rib; 42. a second heat insulating rib; 50. a plug-in structure; 51. encircling the rib; 52. a slot; 60. a clamping structure; 61. a bayonet; 62. buckling; 70. a fan blade; 71. a motor; 80. a pot body; 81. a housing; 82. a heat-preserving cover; 83. a middle plate; 90. an inner pot.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

As shown in fig. 1 to 3 and 5, the heat generating device of the present embodiment includes: the air duct structure 10, the heating main body 20, the wind scooper 30 and the heat insulation structure 40. The heat generating body 20 is disposed at the outlet 14 of the air duct structure 10. The wind scooper 30 is disposed at the outlet 14 of the air duct structure 10 and covers the outside of the heat generating body 20. The heat insulation structure 40 is disposed between the wind scooper 30 and the heat generating body 20.

With the technical solution of the present embodiment, the heat insulation structure 40 is disposed between the wind scooper 30 and the heat generating body 20. The heat insulation structure 40 can separate the wind scooper 30 and the heating main body 20 to form a heat dissipation gap between the wind scooper 30 and the heating main body 20, so that heat transferred from the heating main body 20 to the wind scooper 30 is reduced, the possibility of deformation of the wind scooper 30 can be reduced, and the heating device is prevented from being damaged. Therefore, the technical scheme of the embodiment effectively reduces the problem that the wind scooper in the related art is easy to deform when heated.

The heat insulation structure 40 may be provided only on the wind scooper 30 or on the heating main body 20, or may include two parts, one part of the heat insulation structure 40 is provided on the wind scooper 30, and the other part is provided on the heating main body 20.

As shown in fig. 5 to 7, the heat insulation structure 40 includes heat insulation ribs disposed on the air guiding cover 30 and surrounding the inner side surface of the outlet 14 of the air duct structure 10. Thus, the heat insulation rib and the heating main body 20 have a small contact area, so that the heating main body 20 can be supported while the effective heat insulation effect is achieved, and a heat dissipation gap can be formed between the air guide cover 30 and the heating main body 20.

As shown in fig. 5 to 7, the wind scooper 30 includes a cowl body 31 and a connecting plate 32 provided at a bottom of the cowl body 31 and extending downward. The connecting plate 32 is provided to facilitate positioning of the cover body 31 and connection of the wind scooper 30 to the outlet 14 of the wind tunnel structure 10. The heat insulating ribs include a first heat insulating rib 41 provided on the inner side surface of the cover body 31 and a second heat insulating rib 42 provided on the inner side surface of the connecting plate 32. Thus, the first heat insulation rib 41 separates the cover body 31 from the heating main body 20 to form a first heat dissipation gap between the cover body 31 and the heating main body 20, and the second heat insulation rib 42 separates the connecting plate 32 from the heating main body 20 to form a second heat dissipation gap between the connecting plate 32 and the heating main body 20, so that a plurality of heat dissipation gaps are formed between the wind scooper 30 and the heating main body 20, heat transfer of the heating main body 20 is effectively reduced, and heat of the wind scooper 30 is greatly reduced.

Preferably, the first heat insulating ribs 41 are plural, and the plural first heat insulating ribs 41 are provided at intervals on the inner side surface of the cover body 31. The second heat insulating ribs 42 are plural, and the plural second heat insulating ribs 42 are provided at intervals on the inner side surface of the connecting plate 32. In this way, the plurality of first heat insulating ribs 41 and the plurality of second heat insulating ribs 42 can enclose a complete circle structure to ensure that the heat insulating structure 40 has a good heat insulating effect and stably supports the heating main body 20.

In embodiments not shown in the figures, the thermal barrier ribs may comprise first thermal barrier ribs provided only on the inner side of the shroud body, or second thermal barrier ribs provided only on the inner side of the connecting plate.

As shown in fig. 3 to 5 and 7, the connecting plate 32 is a shroud for simultaneously optimizing the structural layout and facilitating production, manufacture and installation. The coaming is provided with an avoidance notch 321. The wind scooper 30 covers the outside of the heating main body 20, the enclosing plate is located in the outlet 14, and the avoiding notch 321 on the connecting plate 32 can avoid the structure (such as a convex structure) on the outside of the heating main body 20, so that the structure of the heating device can be compact.

As shown in fig. 1 to 3, the wind scooper 30 is connected to the outlet 14 of the air duct structure 10 through a connection structure, which includes a plug structure 50 and a clip structure 60. In this way, the stability of the wind scooper 30 connected to the outlet 14 of the air duct structure 10 can be enhanced by the insertion structure 50 and the clamping structure 60, so that the wind scooper 30 can be reliably connected to the air duct structure 10.

As shown in fig. 1 to 5, the insertion structure 50 includes a surrounding rib 51 and a slot 52 that are engaged with each other. The surrounding rib 51 is disposed on the top surface of the air duct structure 10, and the insertion groove 52 is disposed on the bottom surface of the air guiding cover 30. Thus, the mutual matching structure of the surrounding rib 51 and the slot 52 is simple, and the positioning and the connection are convenient.

Of course, in the embodiment not shown in the drawings, the slot may be disposed on the top surface of the air duct structure, and the surrounding rib may be disposed on the bottom surface of the air guiding cover.

As shown in fig. 1 to 5, the latch structure 60 includes a bayonet 61 and a catch 62 which are engaged with each other. The bayonet 61 is arranged on the side wall of the air duct structure 10, and the buckle 62 is arranged at the bottom of the air guiding cover 30. Like this, bayonet 61 and buckle 62 mutually support simple structure, and it is convenient to connect, is favorable to improving the installation effectiveness.

Specifically, the catch 62 is provided on the outer side face of the connecting plate 32.

Of course, in the embodiment not shown in the drawings, the fastening device may be disposed on the side wall of the air duct structure, and the fastening device may be disposed at the bottom of the wind scooper.

As shown in fig. 1 and 5 to 11, the cooking utensil includes a pot body 80 and a mounting opening provided in the pot body 80, and the air guide cover 30 of the present embodiment is mounted in the mounting opening. The wind scooper 30 further includes a circumferential extension 33 provided at the air outlet of the shroud body 31. The wind scooper 30 covers the outer side of the heating main body 20, and since the circumferential extension part 33 extends for a certain distance along the circumferential direction of the pot body, after the wind scooper 30 is heated, heat can be spontaneously transmitted from a high temperature to a low temperature, so that the heat received by the pot body 80 is reduced, and the pot body 80 is prevented from generating a glue melting phenomenon. The material of the wind scooper 30 is preferably PPS (polyphenylene sulfide) or PPSU (polyphenylene sulfone resin), so that the heat-resistant temperature range of the wind scooper 30 is between 280 degrees and 350 degrees.

As shown in fig. 1 to 4, the air duct structure 10 includes a front casing 11 and a rear casing 12 nested with the front casing 11, an outlet 14 of the air duct structure 10 is disposed at the top of the front casing 11, and an air guiding cover 30 is connected to the top of the front casing 11. An inlet 15 is provided in the side wall of the front housing 11. The heat generating device further includes a fan blade 70 disposed in the air duct structure 10 and a motor 71 for driving the fan blade 70 to rotate. The motor 71 drives the fan blade 70 to rotate, so that the fan blade 70 generates an airflow, the air duct structure 10 can suck air from the inlet 15, and the air enters between the front shell 11 and the rear shell 12 from the inlet 15 and is blown out from the outlet 14 from bottom to top. The heat generating body 20 includes a case 21 and a heat generating member 22 located in the case 21, and the air guiding cover 30 is covered outside the case 21. The heat generating member 22 is preferably a heating wire, and the motor 71 is preferably a centrifugal motor, but of course, in the embodiment not shown in the figure, the heat generating member may also be a heating tube or a heating plate, and the motor may also be an axial flow motor.

As shown in fig. 8 to 10, the top of the front housing 11 has a limiting frame 13, the inner side surface of the front housing 11 is provided with a clamping rib 111, the clamping rib 111 is located below the limiting frame 13, and the top of the rear housing 12 is provided with a step surface 121 for supporting the limiting frame 13. Thus, the front case 11 and the rear case 12 can be reliably nested. The housing 21 is inserted into the limit frame 13. The inside of the position-restricting frame 13 forms the outlet 14 described above. In this way, the limiting frame 13 can limit the casing 21, so that the wind scooper 30 can be installed at the outlet 14 of the air duct structure 10. Simultaneously, be provided with the flanging 211 that extends along the horizontal direction through the front side bottom of casing 21, flanging 211 card is between card muscle 111 and spacing frame 13, carries on spacingly to the front side bottom of casing 21, can prevent that casing 21 from taking place the skew. At this time, the bottom of the rear side of the casing 21 is supported by the step surface 121, and the step surface 121 can also support the casing 21, thereby ensuring the stability that the wind scooper 30 can be installed at the outlet 14 of the air duct structure 10. Specifically, the two clamping ribs 111 are arranged at intervals, so that the stability of the clamping ribs 111 supporting the shell 21 can be ensured. Of course, in the embodiment not shown in the drawings, the number of the locking ribs may not be limited to two, and may be one, three or more.

The present application further provides a cooking appliance, as shown in fig. 11, the cooking appliance of the present embodiment includes a pot body 80 and the above-described heat generating device provided on the pot body 80. The heating device can solve the problem that the wind guide cover in the related art is easy to deform due to heating, so that the cooking appliance comprising the heating device can solve the same technical problem. The cooker body 80 comprises a shell 81, a heat preservation cover 82 arranged in the shell 81 and a middle plate 83 connected between the top of the shell 81 and the top of the heat preservation cover 82, a mounting opening is formed in the heat preservation cover 82, and the air guide cover 30 is mounted at the mounting opening. The cooking appliance further includes an inner pan 90 disposed within the heat retention shield 82.

In this embodiment, the cooking appliance includes an air fryer or an electric rice cooker or an electric pressure cooker or a multifunctional heating pot with functions of baking, cooking and cooking.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (11)

1. A heat generating device, comprising:

an air duct structure (10);

a heat generating body (20) disposed at an outlet (14) of the air duct structure (10);

the air guide cover (30) is arranged at the outlet (14) of the air duct structure (10) and covers the outer side of the heating main body (20);

and a heat insulation structure (40) arranged between the wind scooper (30) and the heat generating main body (20).

2. The heat-generating device according to claim 1, wherein the heat-insulating structure (40) comprises heat-insulating ribs arranged on the air guide cover (30) and surrounding an inner side surface of the outlet (14) of the air duct structure (10).

3. The heat generating device according to claim 2, wherein the air guiding cover (30) comprises a cover body (31) and a connecting plate (32) which is arranged at the bottom of the cover body (31) and extends downwards, and the heat insulating ribs comprise first heat insulating ribs (41) arranged on the inner side surface of the cover body (31) and/or second heat insulating ribs (42) arranged on the inner side surface of the connecting plate (32).

4. The heat generating device according to claim 3, wherein the connecting plate (32) is a shroud plate provided with an escape notch (321).

5. The heat generating device according to claim 1, wherein the air guiding cover (30) is connected to the outlet (14) of the air duct structure (10) by a connecting structure, and the connecting structure comprises a plug-in structure (50) and a clamping structure (60).

6. The heat generating device according to claim 5, wherein the plug-in structure (50) comprises a surrounding rib (51) and a slot (52) which are matched with each other, one of the surrounding rib (51) and the slot (52) is arranged on the top surface of the air duct structure (10), and the other is arranged on the bottom surface of the air guiding cover (30).

7. The heat generating device according to claim 5, wherein the clamping structure (60) comprises a bayonet (61) and a buckle (62) which are matched with each other, one of the bayonet (61) and the buckle (62) is arranged on the side wall of the air duct structure (10), and the other is arranged at the bottom of the air guide cover (30).

8. The heat-generating device according to claim 3, wherein the wind scooper (30) further comprises a circumferential extension (33) provided at the air outlet of the hood body (31).

9. The heat-generating device according to claim 1,

the air duct structure (10) comprises a front shell (11) and a rear shell (12) which is connected with the front shell (11) in a nested manner, an outlet (14) of the air duct structure (10) is arranged at the top of the front shell (11), the air guide cover (30) is connected to the top of the front shell (11), and an inlet (15) is formed in the side wall of the front shell (11);

the heating device also comprises a fan blade (70) arranged in the air duct structure (10) and a motor (71) for driving the fan blade (70) to rotate;

the heating main body (20) comprises a shell (21) and a heating piece (22) positioned in the shell (21), and the air guide cover (30) is arranged on the outer side of the shell (21) in a covering mode.

10. The heat-generating device according to claim 9,

the top of the front shell (11) is provided with a limiting frame (13), the inner side surface of the front shell (11) is provided with a clamping rib (111), the clamping rib (111) is positioned below the limiting frame (13), the top of the rear shell (12) is provided with a step surface (121) for supporting the limiting frame (13), the shell (21) is arranged in the limiting frame (13) in a penetrating way,

the bottom of the front side of the shell (21) is provided with an outward flange (211) extending along the horizontal direction, the outward flange (211) is clamped between the clamping rib (111) and the limiting frame (13), and the bottom of the rear side of the shell (21) is supported by the step surface (121).

11. A cooking appliance comprising a pot body (80) and a heat generating device provided on the pot body (80), characterized in that the heat generating device is the heat generating device of any one of claims 1 to 10.

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