CN218186409U

CN218186409U - Air heating upper cover and air heating appliance

Info

Publication number: CN218186409U
Application number: CN202221672488.9U
Authority: CN
Inventors: 吴津宁; 杨广良; 何田田; 万景峰
Original assignee: Guangdong Enaiter Electrical Appliances Co Ltd
Current assignee: Guangdong Enaiter Electrical Appliances Co Ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2023-01-03
Anticipated expiration: 2032-06-30

Abstract

The utility model discloses an air heating upper cover and an air heating appliance, wherein a shell is provided with a plurality of ventilation holes; the first heat shield is positioned in the shell and is provided with a first installation cavity with an opening at the bottom, a first air inlet is formed in the side wall of the first installation cavity and is communicated with the vent holes, a first heat insulation cavity is formed between at least part of the outer surface of the first heat shield and the inner surface of the shell, and the first air inlet and the at least one vent hole are communicated with the second heat insulation cavity; the second heat shield is positioned in the first mounting cavity and is provided with a second mounting cavity with an opening at the bottom, the side wall of the second mounting cavity is provided with a second air inlet, and the second air inlet and the first air inlet are arranged in a face-to-face mode; an annular second heat insulation cavity is formed between the outer surface of the second heat insulation cover and the inner surface of the first heat insulation cover, and the first air inlet and the second air inlet are communicated with the second heat insulation cavity; the fan is positioned in the storage cavity and is arranged at the first air inlet; the heating part is positioned in the second mounting cavity, so that the overhigh temperature of the shell can be avoided.

Description

Air heating upper cover and air heating appliance

Technical Field

The utility model relates to a pan technical field particularly, relates to an air heating upper cover and air heating utensil.

Background

Air heating appliances, such as air fryers, are a very popular cooking model today that uses rapidly circulating hot air to heat food materials.

The existing air heating appliance generally comprises an upper cover and a pot container for containing food materials, a heating cavity is formed in the upper cover, heating parts such as a fan and a heating pipe are arranged at the top of the heating cavity, air is blown by the fan to flow through the heating pipe to form hot air, and the hot air enters the pot container and heats the food materials in the pot container. In order to prevent the upper cover from having a high temperature of the outer case to burn the user, the outer case is generally spaced apart from the heat generating tube by a long distance, which results in a high top wall of the outer case and a large volume of the upper cover.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an air heating upper cover and air heating utensil, the shell temperature of avoiding the air heating upper cover is too high while highly little.

According to the embodiment of the first aspect of the utility model, the air heating upper cover comprises a shell, a first heat shield, a second heat shield, a fan and a heating element, wherein the shell is provided with a storage cavity with an opening at the bottom, and the storage cavity is provided with a plurality of vent holes; the first heat shield is positioned in the storage cavity and is provided with a first mounting cavity with an opening at the bottom, a first air inlet is formed in the side wall of the first mounting cavity and is communicated with the vent hole, a first heat insulation cavity is formed between at least part of the outer surface of the first heat shield and the inner surface of the shell, and the first air inlet and at least one vent hole are communicated with the first heat insulation cavity; the second heat shield is positioned in the first mounting cavity and is provided with a second mounting cavity with an opening at the bottom, a second air inlet is formed in the side wall of the second mounting cavity, and the second air inlet and the first air inlet are arranged in a face-to-face mode; an annular second heat insulation cavity is formed between the outer surface of the second heat insulation cover and the inner surface of the first heat insulation cover, and the first air inlet and the second air inlet are both communicated with the second heat insulation cavity; the fan is positioned in the storage cavity and is arranged at the first air inlet; the heating piece is positioned in the second mounting cavity.

According to the utility model discloses air heating upper cover has following beneficial effect at least: through set up two thermal-insulated covers between piece and the shell that generates heat to form two thermal-insulated chambeies, and the external air all can flow in these two thermal-insulated chambeies, thereby can avoid the shell high temperature, because two existence that separate the thermal-insulated cover, alright with the distance at the top that can shorten the top that generates heat and separate the thermal-insulated top, it is little in order to realize the whole height of air heating upper cover.

According to the utility model discloses a some embodiments, the shell is including the inferior valve and the epitheca that all are flat cuboid structure, the horizontal projection of epitheca is located in the horizontal projection of inferior valve, the through hole has been seted up to the roof of inferior valve, the top of first heat exchanger that insulates against heat is passed the through hole is inserted in the epitheca.

According to some embodiments of the present invention, the upper shell and the lower shell are all provided with the ventilation hole, the first air intake is at least partially located in the upper shell.

According to some embodiments of the utility model, still including being located the wind scooper of first installation cavity, the second is separated the heat exchanger and is installed in the top of wind scooper, the upper shed of wind scooper with the second installation cavity the bottom opening sets up face to face.

According to the utility model discloses a some embodiments, still including set firmly in first separate heat exchanger the solid fixed ring of bottom open-ended, gu fixed ring with form the mounting groove between the first heat exchanger that separates, the bottom of wind scooper is inserted and is located the mounting groove.

According to the utility model discloses a some embodiments, the mounting groove is equipped with two, is interior mounting groove and outer mounting groove respectively, the wind scooper is inserted and is located interior mounting groove, the diapire card of inferior valve is located in the outer mounting groove.

According to some embodiments of the invention, a ratio of a horizontal projection area of the upper shell to a horizontal projection area of the lower shell is less than or equal to 0.6.

According to some embodiments of the present invention, the air inlet further comprises an upper coupler for coupling and electrically connecting with the lower coupler, the upper coupler is located in the housing and located at an upstream of the first air inlet.

According to the air heating appliance of the second aspect embodiment of the present invention, the air heating appliance comprises a base, a pot container and the air heating upper cover of the first aspect embodiment of the present invention, wherein the pot container is positioned in the base and is provided with a cooking cavity with an upward opening; the air heating upper cover is arranged on the base in a covering mode.

According to the utility model discloses air heating utensil has following beneficial effect at least: by adopting the air heating upper cover, the air heating appliance can avoid the overhigh temperature of the shell of the air heating upper cover and has small integral height.

According to some embodiments of the utility model, the air heating upper cover is equipped with the upper coupler, the base be equipped with the lower coupler that the upper coupler coupling electricity is connected.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic perspective view of an air heating appliance according to an embodiment of the present invention;

FIG. 2 is an exploded schematic view of the air heating appliance shown in FIG. 1;

FIG. 3 is an exploded view of the air heating upper cover shown in FIG. 2;

FIG. 4 is a schematic sectional view of the air heating upper cover shown in FIG. 2;

fig. 5 is a partially enlarged schematic view of a portion a of fig. 4.

Reference numerals:

an air heating appliance 10; an air heating upper cover 100; a housing 110; a vent hole 111; an inner mounting groove 112; an outer mounting groove 113; a lower case 114; an upper case 115; a first heat shield 120; a first air inlet 121; a second heat shield 130; the second intake ports 131; a fan 140; a heat generating member 150; a first insulating chamber 160; a second insulating chamber 170; a wind scooper 180; a fixing ring 190; a base 200; a pot liner 300; an upper coupler 400; a lower coupler 500.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the directional descriptions, such as the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

An air heating appliance 10 according to an embodiment of the present invention is described with reference to fig. 1 to 5, which includes a base 200, a pot 300 and an air heating cover 100, wherein the pot 300 is located in the base 200 and has a cooking cavity with an upward opening; the air heating upper cover 100 is covered on the base 200.

The air heating upper cover 100 comprises a shell 110, a first heat shield 120, a second heat shield 130, a fan 140 and a heating element 150, wherein the shell 110 is provided with a storage cavity with an opening at the bottom, and the storage cavity is provided with a plurality of ventilation holes 111; the first heat shield 120 is positioned in the storage cavity and has a first mounting cavity with an opening at the bottom, a first air inlet 121 is formed in a side wall of the first mounting cavity, the first air inlet 121 is communicated with the vent hole 111, a first heat insulation cavity 160 is formed between at least part of the outer surface of the first heat shield 120 and the inner surface of the housing 110, and both the first air inlet 121 and the at least one vent hole 111 are communicated with the first heat insulation cavity 160; the second heat shield 130 is located in the first installation cavity and has a second installation cavity with an opening at the bottom, a second air inlet 131 is formed in the side wall of the second installation cavity, and the second air inlet 131 and the first air inlet 121 are arranged in a face-to-face manner; an annular second heat insulation cavity 170 is formed between the outer surface of the second heat insulation cover 130 and the inner surface of the first heat insulation cover 120, and the first air inlet 121 and the second air inlet 131 are both communicated with the second heat insulation cavity 170; the fan 140 is located in the storage cavity and is installed at the first air inlet 121; the heat generating member 150 is located in the second mounting cavity.

When the fan 140 works, a part of the cold air directly enters the second heat insulation cover 130, a part of the cold air firstly enters the first heat insulation cavity 160 and then enters the second heat insulation cover 130, and the air in the second heat insulation cover 130 is heated by the heating element 150 and then flows into the inner container.

According to the present invention, the first heat shield 120 and the second heat shield 130 are disposed between the heat generating member 150 and the housing 110 to form the first heat insulating chamber 160 and the second heat insulating chamber 170, and under the action of the fan 140, the external air can flow into the first heat insulating chamber 160 and the second heat insulating chamber 170, so that the temperature of the housing 110 can be prevented from being too high. Due to the presence of the first and

second heat shields

120 and 130, the distance between the top of the heat generating member 150 and the top of the heat shield can be shortened to achieve a small overall height of the air heating upper cover 100.

In some embodiments of the present invention, referring to fig. 2 to 4, the housing 110 includes a lower shell 114 and an upper shell 115 both having a flat rectangular parallelepiped structure, the lower shell 114 and the upper shell 115 are connected by a clamping structure, the horizontal projection of the upper shell 115 is located in the horizontal projection of the lower shell 114, a through hole has been opened in the top wall of the lower shell 114, the top of the first heat shield 120 passes through the through hole and is inserted into the upper shell 115, the flat structure design increases the food heating area, the height of the housing 110 is lower, hot air is easily discharged, and the food cooking effect is improved. Simultaneously, the setting of flat cuboid is favorable to the user to utilize the horizontal plane of the roof of shell 110 to place some article, for example brush or clip, and the user also can place the food of waiting to unfreeze or the meal of fridge waits to heat the horizontal plane of the roof of shell 110, and make full use of shell 110's heat improves user experience and feels. Further, the ratio of the horizontal projection area of the upper case 115 to the horizontal projection area of the lower case 114 is 0.6 or less, and the horizontal surface area of the top wall of the housing 110 for accommodating articles is ensured. It is understood that the lower casing 114 and the upper casing 115 may be fixedly connected by screws, rivets, or the like, and the lower casing 114 and the upper casing 115 may be an integral structure.

In some embodiments of the present invention, referring to fig. 2 to 4, the upper casing 115 and the lower casing 114 are both provided with the ventilation holes 111, and the first air inlet 121 is at least partially located in the upper casing 115, so as to increase the ventilation capacity of the housing 110.

In some embodiments of the present invention, referring to fig. 2 to 4, the heat exchanger further includes an air guiding cover 180 located in the first installation cavity, the second heat insulating cover 130 is installed on the top of the air guiding cover 180, the upper opening of the air guiding cover 180 is disposed face to face with the bottom opening of the second installation cavity, and guides the hot air, so that the hot air can flow to the periphery of the pot container 300, and the food in the pot container 300 is prevented from being heated unevenly.

In some embodiments of the present invention, referring to fig. 2 to 5, the wind scooper further includes a fixing ring 190 fixed to the bottom opening of the first heat shield 120, a mounting groove is formed between the fixing ring 190 and the first heat shield 120, the bottom end of the wind scooper 180 is inserted into the mounting groove, so as to fix and install the wind scooper 180, the structure is simple, and the installation is convenient.

In some embodiments of the present invention, referring to fig. 2 to 5, two mounting grooves are provided, which are respectively an inner mounting groove 112 and an outer mounting groove 113, the wind scooper 180 is inserted into the inner mounting groove 112, the bottom wall of the lower casing 114 is clamped in the outer mounting groove 113, so as to realize that the first heat shield 120 is fixedly disposed on the lower casing 114, and the wind scooper 180 is fixedly disposed on the first heat shield 120, which is simple in structure and convenient to install.

In some embodiments of the present invention, referring to fig. 2 to 5, an upper coupler 400 for coupling and electrically connecting with the lower coupler 500 is further included, and the upper coupler 400 is located in the housing 110 and upstream of the first air inlet 121.

In some embodiments of the present invention, referring to fig. 2, the air heating cover 100 is provided with the upper coupler 400, and the base 200 is provided with the lower coupler 500 electrically connected to the upper coupler 400 in a coupling manner, so that the air heating cover 100 is an independent component, which is convenient for the user to take off the air heating cover 100 from the base 200, and the air heating cover 100 is independently cleaned.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An air heating upper cover (100), comprising:

a housing (110) having a storage chamber with an open bottom, the storage chamber being open with a plurality of vents (111);

a first heat shield (120) located in the storage cavity and having a first mounting cavity with an open bottom, a side wall of the first mounting cavity having a first air inlet (121), the first air inlet (121) being in communication with the vent hole (111), a first heat insulation cavity (160) being formed between at least a portion of an outer surface of the first heat shield (120) and an inner surface of the housing (110), the first air inlet (121) and at least one of the vent holes (111) being in communication with the first heat insulation cavity (160);

the second heat shield (130) is positioned in the first mounting cavity and is provided with a second mounting cavity with an opening at the bottom, a second air inlet (131) is formed in the side wall of the second mounting cavity, and the second air inlet (131) and the first air inlet (121) are arranged in a face-to-face mode; an annular second heat insulation cavity (170) is formed between the outer surface of the second heat insulation cover (130) and the inner surface of the first heat insulation cover (120), and the first air inlet (121) and the second air inlet (131) are communicated with the second heat insulation cavity (170);

the fan (140) is positioned in the storage cavity and is installed at the first air inlet (121);

and the heating piece (150) is positioned in the second mounting cavity.

2. The air heating upper cover (100) according to claim 1, wherein the outer shell (110) comprises a lower shell (114) and an upper shell (115) which are both in a flat cuboid structure, a horizontal projection of the upper shell (115) is located in the horizontal projection of the lower shell (114), a through hole is formed in a top wall of the lower shell (114), and a top of the first heat insulating cover (120) penetrates through the through hole and is inserted into the upper shell (115).

3. The air heating upper cover (100) according to claim 2, wherein the upper shell (115) and the lower shell (114) are provided with the ventilation holes (111), and the first air intake opening (121) is at least partially located in the upper shell (115).

4. The air heating upper cover (100) according to claim 2, further comprising a wind scooper (180) located in the first installation cavity, wherein the second heat shield (130) is installed on top of the wind scooper (180), and an upper opening of the wind scooper (180) is disposed opposite to the bottom opening of the second installation cavity.

5. The air heating upper cover (100) according to claim 4, further comprising a fixing ring (190) fixedly disposed on the bottom opening of the first heat shield (120), wherein a mounting groove is formed between the fixing ring (190) and the first heat shield (120), and the bottom end of the wind scooper (180) is inserted into the mounting groove.

6. The upper air heating cover (100) according to claim 5, wherein there are two mounting grooves, namely an inner mounting groove (112) and an outer mounting groove (113), the wind scooper (180) is inserted into the inner mounting groove (112), and the bottom wall of the lower casing (114) is clamped in the outer mounting groove (113).

7. The air heating upper cover (100) according to claim 2, wherein a ratio of a horizontally projected area of the upper case (115) to a horizontally projected area of the lower case (114) is 0.6 or less.

8. The air heating upper cover (100) according to any one of claims 1 to 7, further comprising an upper coupler (400) for coupling electrical connection with a lower coupler (500), wherein the upper coupler (400) is located within the housing (110) and upstream of the first air inlet (121).

9. An air heating appliance (10), comprising:

a base (200);

a pot container (300) positioned in the base (200) and provided with a cooking cavity with an upward opening;

the air heating upper cover (100) according to any one of claims 1 to 8, wherein the air heating upper cover (100) is covered on the base (200).

10. The air heating appliance (10) according to claim 9, wherein the air heating upper cover (100) is provided with an upper coupler (400), and the base (200) is provided with a lower coupler (500) coupled electrically with the upper coupler (400).