CN215777533U

CN215777533U - Cooking utensil

Info

Publication number: CN215777533U
Application number: CN202122092498.7U
Authority: CN
Inventors: 冷炯
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-02-11
Anticipated expiration: 2031-08-31

Abstract

The utility model provides a cooking appliance. The cooking appliance includes: the device comprises a shell, a heat preservation cover, an inner pot and a hot air generating device, wherein a heat dissipation air inlet is formed in the shell; the heat-insulating cover is positioned in the shell and is provided with an air return inlet, and a heat dissipation cavity is formed between the shell and the heat-insulating cover; interior pot has the culinary art chamber that is used for holding food and sets up in the cover that keeps warm, and hot-blast generating device includes drive fan, heating fan blade and heater, and drive fan sets up in the heat dissipation intracavity and can drive heating fan blade and rotate and make the air flow direction heater and get into the culinary art intracavity through the return air inlet, and wherein, cooking utensil still includes and is connected with drive fan and sets up in the cooling fan blade of heat dissipation air intake and cover and establish the fan cover in cooling fan blade and drive fan periphery. By applying the technical scheme of the utility model, the problem of heat loss of the cooking utensil in the prior art can be solved.

Description

Cooking utensil

Technical Field

The utility model relates to the technical field of small household appliances, in particular to a cooking appliance.

Background

In the pressure cooking utensil with side heating, under the condition of a baking function, the fan continuously blows air to the heating wire, hot air in the pot is sucked back, then the hot air is blown back to the heating wire for circular blowing and air suction, the temperature of the fan can rise after the working time of the fan is long, and at the moment, a fan is additionally arranged behind the fan, and cold air outside the pot is sucked to cool the motor.

In the related art, when the cold air sucked into the pot by the small fan behind the fan dissipates heat, part of the cold air is dispersed into the cooking cavity, so that heat loss in the cooking cavity is caused, the heat efficiency in the cooking process is reduced, and the cooking effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a cooking appliance to solve the problem of heat loss of the cooking appliance in the prior art.

In order to achieve the above object, the present invention provides a cooking appliance, comprising: the device comprises a shell, a heat preservation cover, an inner pot and a hot air generating device, wherein a heat dissipation air inlet is formed in the shell; the heat-insulating cover is positioned in the shell and is provided with an air return inlet, and a heat dissipation cavity is formed between the shell and the heat-insulating cover; interior pot has the culinary art chamber that is used for holding food and sets up in the cover that keeps warm, and hot-blast generating device includes drive fan, heating fan blade and heater, and drive fan sets up in the heat dissipation intracavity and can drive heating fan blade and rotate and make the air flow direction heater and get into the culinary art intracavity through the return air inlet, and wherein, cooking utensil still includes and is connected with drive fan and sets up in the cooling fan blade of heat dissipation air intake and cover and establish the fan cover in cooling fan blade and drive fan periphery.

By applying the technical scheme of the utility model, the fan covers are arranged on the peripheries of the cooling fan blade and the driving fan, so that the cooling fan blade and the driving fan are enclosed in a single space to form a special cooling space, and further, under the condition of ensuring that the cooling fan blade effectively dissipates heat of the driving fan, cooling air is prevented from entering the cooking cavity, heat loss in the cooking cavity cannot be caused, the heat efficiency is improved, and a good cooking effect is ensured.

Furthermore, cooking utensil still includes the installing support that is used for installing the drive fan and sets up in the heat dissipation intracavity, and the fan cover is connected with the installing support and covers the periphery of establishing at drive fan and cooling fan blade simultaneously. The fan cover is installed without additionally arranging an installation structure, so that the space and the structure in the cooking appliance are fully utilized, and the whole cooking appliance is compact in structure.

Further, the fan guard includes: the peripheral wall is of a hollow cylinder structure; the first mounting column is arranged on the peripheral wall and provided with a through hole; the cooking appliance further comprises a fastener which penetrates through the through hole and is locked on the mounting bracket. The fan cover is simple in assembly mode and high in connection structure strength, and connection stability of the fan cover on the mounting support is guaranteed.

Furthermore, a second mounting column corresponding to the first mounting column is arranged on the mounting support, a mounting hole is formed in the second mounting column, and the first mounting column and the second mounting column are arranged in a nested mode. The fan cover is connected with the mounting bracket, and the first mounting column and the second mounting column are nested, so that the fan cover is in surface-to-surface contact with the mounting bracket, and the connection stability of the fan cover and the mounting bracket is further ensured.

Further, the diameter of through-hole is greater than the diameter of mounting hole, and first erection column cover is established in the periphery of second erection column, and the fastener passes the through-hole and locks in the mounting hole. The fastener is the screw, and the screw stretches into the mounting hole of second erection column and is connected with the mounting hole locking, and the nut cooperates with first erection column backstop to avoid turning over to twist or connect the inefficacy.

Further, the first mounting columns are multiple, and the multiple first mounting columns are arranged on the peripheral wall at intervals in the circumferential direction. The fan cover and the mounting bracket are arranged, so that the connection strength between the fan cover and the mounting bracket is improved, and the fan cover and the mounting bracket can be prevented from rotating relatively.

Further, the shell includes the circumference lateral wall, and the first end and the installing support butt cooperation of fan guard, fan guard's second end and circumference between the lateral wall interval set up. The setting makes the second end of fan guard have the clearance between the lateral wall of circumference to when making the inside wind pressure of fan guard great, cold wind can overflow from the interval between second end and the lateral wall of circumference, and the interval at this place is close to the louvre setting, in time flows out in the louvre, has reduced the flow path of cold wind in the heat dissipation intracavity.

Furthermore, the hot air generating device also comprises a ventilation pipeline, the heating fan blades and the heating wires are arranged in the ventilation pipeline, and the side wall of the ventilation pipeline forms a mounting bracket. Above-mentioned setting make full use of air pipe need not to set up extra structure and is used for installing drive fan and fan guard, makes whole cooking utensil's compact structure.

Furthermore, the shell is also provided with heat dissipation holes which are arranged below the heat dissipation air inlet. When a small amount of cold air leaks to the outer side of the fan cover, the cold air can flow to the outside of the cooking appliance through the heat dissipation holes positioned below according to the principle that the cold air descends, and the cold air is further prevented from entering the cooking cavity.

Furthermore, the fan cover is a plastic part. The plastic material has light weight and low cost, and can meet the requirements of the working environment in the cooking utensil.

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 structural view of an embodiment of a cooking appliance according to the present invention;

FIG. 2 shows an exploded view of the cooking appliance of FIG. 1;

fig. 3 shows a cross-sectional view of the cooking appliance of fig. 1;

FIG. 4 shows a partially enlarged schematic view of FIG. 3;

fig. 5 shows a front view of the cooking appliance of fig. 1 (wherein the housing is not shown); and

FIG. 6 shows a schematic view of the fan guard of FIG. 3.

Wherein the figures include the following reference numerals:

10. a housing; 11. a circumferential sidewall; 12. a bottom wall; 13. a heat dissipation air inlet; 14. heat dissipation holes; 20. a heat-preserving cover; 21. an air return opening; 30. a hot air generating device; 31. driving a fan; 32. heating the fan blade; 33. a heater; 34. mounting a bracket; 341. a second mounting post; 40. cooling the fan blades; 50. a fan guard; 51. a peripheral wall; 52. a first mounting post; 60. an inner pot; 70. a fastener.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

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, the present embodiment provides a cooking appliance, including a housing 10, a heat-insulating cover 20, an inner pot 60 and a hot air generating device 30, a heat-dissipating air inlet 13 is disposed on the housing 10, the heat-insulating cover 20 is located in the housing 10 and is provided with an air return opening 21, a heat-dissipating cavity is formed between the housing 10 and the heat-insulating cover 20, the inner pot 60 has a cooking cavity for accommodating food and is disposed in the heat-insulating cover 20, the hot air generating device 30 includes a driving fan 31, a heating blade 32 and a heating wire 33, the driving fan 31 is disposed in the heat-dissipating cavity and can drive the heating blade 32 to rotate so that air flows to the heating wire 33 through the air return opening 21 and enters the cooking cavity, wherein the cooking appliance further includes a cooling blade 40 connected to the driving fan 31 and disposed at the heat-dissipating air inlet 13, and a fan cover 50 covering the periphery of the cooling blade 40 and the driving fan 31.

In this embodiment, because the fan cover 50 is arranged on the peripheries of the cooling fan blade 40 and the driving fan 31, the cooling fan blade 40 and the driving fan 31 are enclosed in an independent space to form a special cooling space, and then the cooling fan blade 40 is ensured to effectively radiate the driving fan 31, so that the cooling air is prevented from entering the cooking cavity, the heat loss in the cooking cavity can not be caused, the heat efficiency is improved, and a good cooking effect is ensured.

Among the correlation technique, under cooking utensil's the function of toasting, cooling fan blade and drive fan synchronous working, the cooling fan blade is cooled down to the drive fan in the work by heat dissipation air intake absorption cold wind, and at this moment, there is some cooling air dispersion to the culinary art chamber in, leads to the calorific loss of culinary art intracavity, and partial hot-air overflows, after the culinary art, the comdenstion water appears around cooking utensil, and user's use is experienced relatively poorly.

The technical scheme of this embodiment has set up fan cover 50 in cooling fan blade 40 and drive fan 31's periphery to effectively prevent that the cooling air from getting into the culinary art intracavity, avoided the calorific loss of culinary art intracavity, thereby improved cooking utensil's thermal efficiency, guaranteed good culinary art effect. Further, because the cooling air can not get into the culinary art intracavity to also can not lead to hot-air to have the culinary art intracavity to flow out, especially through diapire 12 outflow, and then avoided cooking utensil's the mesa that prevents to produce the comdenstion water, improved user's use and experienced.

As shown in fig. 3, in the present embodiment, the hot air generating device 30 further includes a mounting bracket 34 for mounting the driving fan 31 and disposed in the heat dissipation cavity, and the fan cover 50 is connected to the mounting bracket 34 and covers the driving fan 31 and the cooling fan blade 40.

Through the arrangement, the fan cover 50 is installed, an installation structure is not required to be additionally arranged, the space and the structure in the cooking appliance are fully utilized, and the whole cooking appliance is compact in structure.

As shown in fig. 2, 5 and 6, in the present embodiment, the fan guard 50 includes a peripheral wall 51 and a first mounting post 52, and the peripheral wall 51 has a hollow cylindrical structure; the first mounting post 52 is provided on the peripheral wall 51 and provided with a through hole; the cooking appliance further includes a fastener 70, the fastener 70 extending through the through hole and being locked to the mounting bracket 34.

The above arrangement has a simple assembly mode and high strength of the connection structure, and ensures the stability of the connection of the fan guard 50 on the mounting bracket 34.

Further, the inner wall surface of the peripheral wall 51 encloses a cooling space for driving the fan 31, and is isolated from the cooking cavity and the hot air channel, so that the cooling air blown out by the cooling fan blade 40 is enclosed in the cooling space, the cooling air is effectively prevented from entering the cooking space, and the heat loss in the cooking cavity is avoided.

Specifically, the hot air generating device 30 further includes a heating blade 32 and a heating wire 33, and the driving fan 31 rotates to drive the heating blade 32 to rotate so as to supply air to the heating wire 33, so that the air is heated and then is sent into the cooking cavity. Because fan guard 50 covers the periphery of establishing at cooling fan blade 40 to can prevent effectively that cold wind from getting into the culinary art chamber in with the hot-air mixture, can prevent also that hot-air from spilling over when preventing calorific loss, guarantee the good culinary art effect of cooking utensil.

As shown in fig. 2, in the present embodiment, the mounting bracket 34 is provided with a second mounting column 341 corresponding to the first mounting column 52, the second mounting column 341 is provided with a mounting hole, and the first mounting column 52 and the second mounting column are nested.

Through the arrangement, the connection between the fan cover 50 and the mounting bracket 34 is realized, and the first mounting column 52 and the second mounting column 341 are nested, so that the fan cover 50 is in surface-to-surface contact with the mounting bracket 34, and the connection stability of the fan cover 50 and the mounting bracket 34 is further ensured.

Preferably, the diameter of the through hole is larger than that of the mounting hole, the first mounting post 52 is sleeved on the periphery of the second mounting post 341, and the fastener 70 passes through the through hole and is locked in the mounting hole.

In this embodiment, the fastening member 70 is a screw, the screw extends into the mounting hole of the second mounting post 341 to be locked with the mounting hole, and the nut is matched with the stop of the first mounting post 52 to avoid over-screwing or connection failure.

Further, as shown in fig. 2, the first mounting posts 52 are plural, and the plural first mounting posts 52 are provided on the peripheral wall 51 at intervals in the circumferential direction.

The arrangement improves the connection strength between the fan guard 50 and the mounting bracket 34, and prevents relative rotation between the fan guard 50 and the mounting bracket 34.

In this embodiment, the hot air generator 30 further includes a ventilation duct, the heating blade 32 and the heating wire 33 are disposed in the ventilation duct, and a side wall of the ventilation duct constitutes the mounting bracket 34.

As shown in fig. 2, in the present embodiment, the circumferential sidewall 11 is further provided with heat dissipation holes 14, and the heat dissipation holes 14 are disposed below the heat dissipation inlet 13.

Through the above arrangement, when a small amount of cold air leaks to the outside of the fan guard 50, the cold air can flow to the outside of the cooking appliance through the heat dissipation holes 14 located below according to the principle that the cold air descends, and the cold air is further prevented from entering the cooking cavity.

Meanwhile, the leakage of part of cold air can also increase the air heat exchange condition inside the fan cover 50, and the cooling effect on the driving fan 31 is improved.

As shown in fig. 3 and 4, in the present embodiment, the casing 10 includes a circumferential side wall 11, a first end of the fan guard 50 is in abutting engagement with the mounting bracket 34, and a second end of the fan guard 50 is spaced apart from the circumferential side wall 11.

Above-mentioned setting makes and has the clearance between fan guard 50's second end and circumference lateral wall 11 to when making the inside wind pressure of fan guard 50 great, cold wind can spill over from the interval between second end and the circumference lateral wall, and interval D here is close to louvre 14 setting, in time flows out in by louvre 14, has reduced the flow path of cold wind in the cooling chamber.

Preferably, the fan guard 50 is a plastic piece.

The plastic material has light weight and low cost, and can meet the requirements of the working environment in the cooking utensil.

As shown in fig. 1 and 2, the present embodiment further provides a cooking appliance, which includes a cooking appliance and a cover assembly covering the cooking appliance, where the cooking appliance is the above-mentioned cooking appliance.

Therefore, the cooking appliance with the cooking appliance also has the advantages.

Preferably, the cooking appliance in this embodiment is an air fryer.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

because the fan cover is arranged at the peripheries of the cooling fan blade and the driving fan, the cooling fan blade and the driving fan are enclosed in an independent space to form a special cooling space, and then the cooling fan blade is ensured to effectively radiate the driving fan, so that the cooling fan is prevented from entering the cooking cavity, the heat loss in the cooking cavity can not be caused, the heat efficiency is improved, and the good cooking effect is ensured.

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

1. The cooking appliance is characterized by comprising a shell (10), a heat-insulating cover (20), an inner pot (60) and a hot air generating device (30), wherein a heat-radiating air inlet (13) is formed in the shell (10), the heat-insulating cover (20) is positioned in the shell (10) and provided with an air return opening (21), a heat-radiating cavity is formed between the shell (10) and the heat-insulating cover (20), the inner pot (60) is provided with a cooking cavity for containing food and arranged in the heat-insulating cover (20), the hot air generating device (30) comprises a driving fan (31), a heating fan blade (32) and a heating wire (33), the driving fan (31) is arranged in the heat-radiating cavity and can drive the heating fan blade (32) to rotate so that air flows to the heating wire (33) through the air return opening (21) and enters the cooking cavity, the cooking utensil further comprises a cooling fan blade (40) connected with the driving fan (31) and arranged at the heat dissipation air inlet (13), and a fan cover (50) covering the periphery of the cooling fan blade (40) and the driving fan (31).

2. The cooking appliance according to claim 1, further comprising a mounting bracket (34) for mounting the driving fan (31) and disposed in the heat dissipation cavity, wherein the fan cover (50) is connected to the mounting bracket (34) and covers the outer peripheries of the driving fan (31) and the cooling fan blade (40).

3. The cooking appliance according to claim 2, wherein the fan guard (50) comprises:

a peripheral wall (51), the peripheral wall (51) having a hollow cylindrical structure;

a first mounting post (52), the first mounting post (52) being provided on the peripheral wall (51) and provided with a through hole;

the cooking appliance further comprises a fastener (70), and the fastener (70) penetrates through the through hole and is locked on the mounting bracket (34).

4. The cooking appliance according to claim 3, wherein the mounting bracket (34) is provided with a second mounting post (341) corresponding to the first mounting post (52), the second mounting post (341) is provided with a mounting hole, and the first mounting post (52) and the second mounting post are nested.

5. The cooking appliance of claim 4, wherein the diameter of the through hole is larger than the diameter of the mounting hole, the first mounting post (52) is sleeved on the periphery of the second mounting post (341), and the fastener (70) passes through the through hole and is locked in the mounting hole.

6. The cooking appliance according to claim 4, wherein the first mounting column (52) is plural, and the plural first mounting columns (52) are provided on the peripheral wall (51) at intervals in the circumferential direction.

7. The cooking appliance according to claim 2, wherein the outer casing (10) comprises a circumferential side wall (11), wherein a first end of the fan guard (50) is in abutting engagement with the mounting bracket (34), and wherein a second end of the fan guard (50) is spaced from the circumferential side wall (11).

8. The cooking appliance according to claim 2, wherein the hot air generating device (30) further comprises a ventilation duct, the heating fan blade (32) and the heating wire (33) are arranged in the ventilation duct, and the side wall of the ventilation duct constitutes the mounting bracket (34).

9. The cooking appliance according to any one of claims 1 to 8, wherein a heat dissipation hole (14) is further provided on the housing (10), and the heat dissipation hole (14) is disposed below the heat dissipation inlet (13).

10. The cooking appliance according to any of the claims 1 to 8, wherein the fan guard (50) is a plastic part.