CN219742502U - Air duct structure of air fryer - Google Patents

Abstract

The utility model provides an air channel structure of an air fryer, which comprises a first exhaust channel communicated with a first exhaust port and a second exhaust channel communicated with a second exhaust port, wherein the first exhaust channel and the second exhaust channel are respectively and independently arranged in a separated mode and are not communicated with each other, cold and hot exhaust separation can be realized, and condensate water can be effectively prevented from being generated at an air outlet; when the heating element heats, the driving element synchronously drives the hot air wind wheel and the cold air wind wheel to rotate, and external cold air cools the driving element in the heat dissipation space and is discharged to the outside from the first exhaust channel through the first exhaust port, so that heat dissipation is realized, the temperature of the driving element is conveniently reduced, and the service life of the driving element is prolonged; the hot air current flows in the cooking cavity under the action of the hot air wind wheel, and water vapor generated in the food heating process is discharged from the second exhaust channel through the second exhaust port, so that the temperature in the cooking cavity is kept, and the food in the cooking cavity is ripe faster and more uniformly.

Description

Air duct structure of air fryer

Technical Field

The utility model relates to the technical field of air fryers, in particular to an air duct structure of an air fryer.

Background

The Chinese patent document No. CN214548961U discloses a direct current motor driven air fryer in 2021, specifically discloses a direct current motor driven air fryer comprising a boiler body, wherein a direct current brushless motor, a heat dissipation blade and a hot air module are arranged in the boiler body, the boiler body comprises an upper shell and a lower shell, an air inlet and an air outlet are arranged on the upper shell, a heat insulation cover which is correspondingly arranged with the direct current brushless motor is arranged in the upper shell, an opening is arranged on the heat insulation cover, a heat dissipation air duct is arranged between the heat insulation cover and the top of a cavity, the air inlet is communicated with the opening, the opening is communicated with the air outlet through the heat dissipation air duct, the hot air module comprises a hot air convection blade and a heating device, the hot air convection blade and the heat dissipation blade are fixed on an output shaft of the direct current brushless motor, the heating device is arranged below the hot air convection blade, when the direct current brushless motor works, the hot air convection blade and the heat dissipation blade are driven to rotate at a high speed, and the heat generated by the hot air convection blade is sent into the cavity, and the temperature of the direct current brushless motor is reduced by the heat dissipation blade. But this structure is discharged when airing exhaust, and hot-blast and cold wind all mix at the air outlet and just discharge, and wherein, vapor in the hot air meets cold and can condense and produce the comdenstion water, and the comdenstion water can drop on the organism or drop on the floor for the user needs extra clean work, has influenced user's use experience.

Therefore, further improvements are needed.

Disclosure of Invention

Based on the above, the utility model aims to provide an air duct structure of an air fryer, which overcomes the defects in the prior art, can realize cold and hot exhaust separation and can effectively avoid condensate water at an air outlet.

The utility model provides an air channel structure of air fryer according to this purpose design, includes the organism, be equipped with the culinary art chamber in the organism, be located heating element and hot-blast generating device of culinary art chamber top, hot-blast generating device includes first kuppe, second kuppe, hot-blast wind wheel, cold wind wheel and driving piece, the output shaft of driving piece from top to bottom in proper order with cold wind wheel with hot-blast wind wheel is connected, first kuppe with be formed with between the second kuppe and be used for installing the radiating space of cold wind wheel, hot-blast wind wheel with heating element installs in the second kuppe in order to form hot-blast space, hot-blast space with the culinary art chamber intercommunication, be equipped with wind channel structure on the organism, be equipped with on the lateral wall of first kuppe with the second gas vent of hot-blast space intercommunication, wind channel structure including corresponding the first exhaust passage that the first gas vent intercommunication set up, corresponding the second exhaust passage that the second gas vent intercommunication set up, the second passage and the second exhaust passage that the second exhaust passage and the independent passageway set up and separate each other and do not set up.

The air duct structure comprises an air guide mounting plate, a first guide pipeline and a second guide pipeline which are arranged in an outward extending mode are arranged on one side of the air guide mounting plate, the first guide pipeline is used for forming the first exhaust channel, and the second guide pipeline is used for forming the second exhaust channel.

At least a portion of the second guide duct is located within the first guide duct.

The length dimension of the second guide pipe is greater than the length dimension of the first guide pipe.

The air inlet of the second guide pipeline is obliquely arranged and is abutted with the outer peripheral wall of the second guide cover.

And the air guide mounting plate is provided with a ventilation grid communicated with the air outlets of the first guide pipeline and the second guide pipeline.

The air inlet of the first guide pipeline is larger than or equal to the first air outlet, and the air inlet of the second guide pipeline is larger than or equal to the second air outlet.

The cross-sectional area of the first exhaust port is greater than the cross-sectional area of the second exhaust port.

The air duct structure of the air fryer in the embodiment comprises the first exhaust channel communicated with the first exhaust port and the second exhaust channel communicated with the second exhaust port, wherein the first exhaust channel and the second exhaust channel are respectively and independently arranged in a separated mode and are not communicated with each other; the hot air current flows in the cooking cavity under the action of the hot air wind wheel, and water vapor generated in the food heating process is discharged from the second exhaust channel through the second exhaust port, so that the temperature in the cooking cavity is kept, and the food in the cooking cavity is ripe faster and more uniformly.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a cross-sectional view of the overall structure of an embodiment of the present utility model.

Fig. 2 is a schematic diagram illustrating a communication structure between a duct structure and a first pod and a second pod according to an embodiment of the present utility model.

FIG. 3 is a schematic diagram showing the structure of the duct and the exploded structure of the hot air generating device according to an embodiment of the present utility model.

Fig. 4 and 5 are schematic diagrams of a channel structure according to an embodiment of the utility model.

FIG. 6 is a schematic illustration of an inner pot and handle assembly to form a drawer-type air fryer in accordance with an embodiment of the utility model.

The correspondence between the reference numerals and the component names in fig. 1 to 6 is:

1-organism, 101-cooking chamber, 102-accommodation chamber, 103-opening, 104-air inlet chamber, 2-heating piece, 3-hot air generating device, 301-first kuppe, 3011-first gas vent, 302-second kuppe, 3021-second gas vent, 303-hot air wind wheel, 304-cold wind wheel, 305-driving piece, 306-heat dissipation space, 307-hot air space, 308-through hole, 4-wind channel structure, 401-first guide pipeline, 401 a-first exhaust channel, 402-second guide pipeline, 402 b-second exhaust channel, 403-wind guiding mounting plate, 4031-ventilation grille, 5-inner pot, 501-handle subassembly.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

As shown in fig. 1-5, an air duct structure of an air fryer is provided, which comprises a machine body 1, a cooking cavity 101 is arranged in the machine body 1, a heating element 2 and a hot air generating device 3 are arranged above the cooking cavity 101, the hot air generating device 3 comprises a first air guide cover 301, a second air guide cover 302, a hot air wind wheel 303, a cold air wind wheel 304 and a driving element 305, an output shaft of the driving element 305 is sequentially connected with the cold air wind wheel 304 and the hot air wind wheel 303 from top to bottom, a heat dissipation space 306 for installing the cold air wind wheel 304 is formed between the first air guide cover 301 and the second air guide cover 302, the hot air wind wheel 303 and the heating element 2 are arranged in the second air guide cover 302 to form a hot air space 307, the hot air space 307 is communicated with the cooking cavity 101, an air duct structure 4 is arranged on the machine body 1, a first air outlet 3011 communicated with the heat dissipation space 306 is arranged on the side wall of the first air guide cover 301, a second air outlet 3021 communicated with the hot air space 307 is arranged on the side wall of the second air guide cover 302, the air duct structure 4 comprises a first air outlet channel 401a corresponding to the first air outlet 3011, a second air outlet channel 402b is correspondingly arranged, a second air outlet 402b is not communicated with the first air outlet channel 402b and is independently arranged, and the first air outlet channel 402b is not communicated with the first air channel b.

Specifically, when the driving member 305 works, the hot air wind wheel 303 and the cold air wind wheel 304 are driven to rotate, and under the action of the cold air wind wheel 304, air in the heat dissipation space 306 is discharged to the outside from the first exhaust channel 401a through the first exhaust port 3011; under the action of the hot air wind wheel 303, air (hot air or moisture) in the hot air space 307 and the cooking cavity 101 is discharged from the second exhaust passage 402b through the second exhaust port 3021; the machine body 1 is internally provided with an air inlet chamber 104, the machine body 1 is provided with an air inlet communicated with the air inlet chamber 104, the first air guide cover 301 is provided with a through hole 308 communicated with the air inlet chamber 104, and as the first exhaust channel 401a and the second exhaust channel 402b are respectively and independently arranged and are not communicated with each other to form an air channel structure, when the heating element 2 heats, the driving element 305 synchronously drives the hot air wind wheel 303 and the cold air wind wheel 304 to rotate, external cold air enters the air inlet chamber 104 from the air inlet, and cold air in the air inlet chamber 104 enters the heat dissipation space 306 from the through hole 308, as shown in fig. 1 and 2, the external cold air cools the driving element 305 in the heat dissipation space 306 and is discharged to the outside from the first exhaust channel 401a through the first exhaust port 3011, thereby realizing heat dissipation, being convenient for reducing the temperature of the driving element 305 and being beneficial to prolonging the service life of the driving element 305; as shown in fig. 1 and 2, external cold air contacts with the heating element 2 in the hot air space 307 to form hot air flow, the hot air flow flows in the cooking cavity 101 under the action of the hot air wind wheel 303, and water vapor generated in the food heating process is discharged from the second exhaust channel 402b through the second exhaust port 3021, so that the temperature in the cooking cavity is kept, and the food in the cooking cavity 101 is ripe faster and more uniformly.

Further, as shown in fig. 2 and 3, the air duct structure 4 includes an air guiding mounting plate 403, a first guiding duct 401 and a second guiding duct 402 extending outwards are disposed on one side of the air guiding mounting plate 403, the first guiding duct 401 forms a first air exhaust channel 401a, and the second guiding duct 402 forms a second air exhaust channel 402b.

Further, as shown in fig. 2 and 4, at least a portion of the second guide duct 402 is located within the first guide duct 401.

Further, as shown in fig. 2 and 4, the length dimension of the second guide duct 402 is greater than the length dimension of the first guide duct 401.

Further, as shown in fig. 2 and 4, the air inlet of the second guiding duct 402 is disposed obliquely and abuts against the outer peripheral wall of the second pod 302.

It should be noted that, a sealing ring may be disposed between the air inlet of the second guiding pipeline 402 and the outer peripheral wall of the second air guide sleeve 302, and a sealing ring may be disposed between the air inlet of the first guiding pipeline 401 and the outer peripheral wall of the first air guide sleeve 301, so as to effectively further prevent the cold air flow and the hot air flow from being mixed.

Further, as shown in fig. 5, the air guiding mounting plate 403 is provided with a ventilation grille 4031 communicating with the air outlets of the first guide duct 401 and the second guide duct 402.

Specifically, the external cool air is discharged to the outside from the first exhaust passage 401a to the ventilation grill 4031 through the first exhaust port 3011, and the moisture generated during the food heating process is discharged to the outside from the second exhaust passage 402b to the ventilation grill 4031 through the second exhaust port 3021.

Further, as shown in fig. 3 and 4, the air inlet of the first guiding duct 401 is greater than or equal to the first air outlet 3011, and the air inlet of the second guiding duct 402 is greater than or equal to the second air outlet 3021.

Further, as shown in fig. 3, the cross-sectional area of the first exhaust port 3011 is larger than the cross-sectional area of the second exhaust port 3021.

Further, the air fryer further comprises an inner pot 5 for placing food materials, a handle assembly 501 is connected to the outer side of the inner pot 5, a containing cavity 102 for containing the inner pot 5 is arranged in the machine body 1, and an opening 103 for the inner pot 5 to be placed in the containing cavity 102 is arranged on the outer side wall of the machine body 1 to form the drawer type air fryer.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

It will be further understood that when interpreting the connection or positional relationship of elements, although not explicitly described, the connection and positional relationship are to be interpreted as including the range of errors that should be within an acceptable range of deviations from the particular values as determined by those skilled in the art. For example, "about," "approximately," or "substantially" may mean within one or more standard deviations, and is not limited herein.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (8)

1. The utility model provides an air fryer's wind channel structure, includes organism (1), be equipped with cooking cavity (101) in organism (1), be located heating element (2) and hot air generating device (3) of cooking cavity (101) top, hot air generating device (3) include first kuppe (301), second kuppe (302), hot air wind wheel (303), cold wind wheel (304) and driving piece (305), the output shaft of driving piece (305) from top to bottom in proper order with cold wind wheel (304) with hot air wind wheel (303) are connected, first kuppe (301) with be formed with between second kuppe (302) and be used for installing heat dissipation space (306) of cold wind wheel (304), wind wheel (303) with heating element (2) are installed in second kuppe (302) in order to form hot air space (307), hot air space (307) with cooking cavity (101) intercommunication, its characterized in that: the air duct structure (4) is arranged on the machine body (1), a first exhaust port (3011) communicated with the heat dissipation space (306) is arranged on the side wall of the first air guide cover (301), a second exhaust port (3021) communicated with the hot air space (307) is arranged on the side wall of the second air guide cover (302), the air duct structure (4) comprises a first exhaust channel (401 a) communicated with the first exhaust port (3011) and a second exhaust channel (402 b) communicated with the second exhaust port (3021), and the first exhaust channel (401 a) and the second exhaust channel (402 b) are respectively and independently separated and are not communicated with each other.

2. The air fryer duct structure according to claim 1, wherein: the air duct structure (4) comprises an air guide mounting plate (403), a first guide pipeline (401) and a second guide pipeline (402) which are arranged in an outward extending mode are arranged on one side of the air guide mounting plate (403), the first guide pipeline (401) is used for forming a first exhaust channel (401 a), and the second guide pipeline (402) is used for forming a second exhaust channel (402 b).

3. The air fryer duct structure according to claim 2, wherein: at least a portion of the second guide duct (402) is located within the first guide duct (401).

4. A tunnel construction for an air fryer according to claim 3, wherein: the second guide duct (402) has a length dimension that is greater than the length dimension of the first guide duct (401).

5. The air fryer duct structure according to claim 2, wherein: the air inlet of the second guide pipeline (402) is obliquely arranged and is abutted against the outer peripheral wall of the second guide cover (302).

6. The air fryer duct structure according to claim 2, wherein: the air guide mounting plate (403) is provided with a ventilation grid (4031) communicated with air outlets of the first guide pipeline (401) and the second guide pipeline (402).

7. The air fryer duct structure according to claim 2, wherein: the air inlet of the first guide pipeline (401) is larger than or equal to the first exhaust port (3011), and the air inlet of the second guide pipeline (402) is larger than or equal to the second exhaust port (3021).

8. The air fryer duct structure according to claim 1, wherein: the first exhaust port (3011) has a cross-sectional area that is greater than the cross-sectional area of the second exhaust port (3021).