Improved air fryer

Abstract

The utility model discloses an improved air fryer which comprises a main machine assembly and a base plate, the main machine assembly comprises a main machine shell, a main machine frame, a motor and a heating body are arranged in the main machine shell, the motor and the heating body are installed on the main machine frame, the bottom of the main machine assembly is connected with a cover body extending downwards, the cover body is placed on the base plate, and a food baking and frying cavity is formed between the cover body and the base plate. The cover body is further sleeved with at least one layer of protective outer cover, the protective outer cover and the cover body or the main machine are mutually fixed through fasteners, welding, pasting, magnetic attraction or clamping, and a closed or unclosed heat insulation cavity is formed between the protective outer cover and the cover body. According to the structure, the protective outer cover is additionally arranged outside the cover body in a sleeving mode, a heat insulation cavity is formed between the protective outer cover and the cover body, and scalding easily caused by approaching or mistakenly touching the cover body can be effectively prevented; the protective outer cover is provided with the through holes and the limiting protrusions, so that the heat insulation cavity communicated with the outside is formed between the protective outer cover and the cover body, the temperature rise influence of hot air in the cover body on the protective outer cover is reduced, and the safety performance is high.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen equipment, in particular to an improved air fryer. Background Art

[0002] Chinese patent document No. CN217365466U disclosed an air frying hood on January 22, 2022, comprising a main unit, a motor and a heating element are arranged in the main unit, a fan is connected to the output end of the motor, a cover body extending downward is connected to the bottom of the main unit, a food baking and frying cavity is formed in the cover body, and the fan in the main unit generates an airflow to blow the heat of the heating element through the bottom of the main unit to the food baking and frying cavity; the above-mentioned air frying hood is different from the air frying main unit structure of the prior art, and is connected to the main unit through the cover body to form a whole, and a food baking and frying cavity is formed in the cover body. When used in conjunction with more chassis with heat insulation function, the function of air baking and frying food can be achieved. It has a wide range of applications and high flexibility of use. In addition to being used in conjunction with containers, it can also be used with flat insulation layers, such as insulation plates, dishes, tables, etc. However, only a single-layer cover body is provided outside the food baking and frying cavity, and the cover body is a transparent non-metallic body or one of a metal body. When in use, the surface temperature of the cover body is high, and approaching or accidentally touching the cover body is likely to cause burns, which poses a safety hazard. Therefore, it is necessary to further improve it. Utility Model Content

[0003] The utility model aims to provide an improved air fryer which has a simple and reasonable structure, is easy to install, prevents scalding and is safe to use.

[0004] The purpose of the utility model is achieved in this way:

[0005] An improved air fryer comprises a main unit component and a chassis. The main unit component comprises a main casing, in which a main frame, a motor and a heating element are arranged. The motor and the heating element are mounted on the main frame. A cover body extending downward is connected to the bottom of the main unit component. The cover body is placed on the chassis, and a food roasting and frying chamber is formed between the cover body and the chassis. At least one protective outer cover is also sleeved outside the cover body. The protective outer cover is fixed to the cover body or the main unit by fasteners, welding, pasting, magnetic attraction or clamping, and a closed or unclosed heat-insulating chamber is formed between the protective outer cover and the cover body.

[0006] The purpose of the utility model can also be solved by the following technical measures:

[0007] As a more specific solution, the protective outer cover is provided with an upper port and a lower port, the upper port is provided with an inner turn-down edge, and the inner turn-down edge has at least two connecting pieces extending inwardly, and the connecting pieces are provided with fixing holes.

[0008] As a further solution, the main frame is provided with a limiting opening corresponding to the connecting piece, the main frame is provided with a fixing pin corresponding to the fixing hole, the fixing hole and the fixing pin cooperate with each other and are fixedly connected by fasteners, and the main shell is also provided with a yield hole corresponding to the connecting piece.

[0009] As a further solution, a connecting ring is fixedly provided under the main frame, and an inner ring convexity and an outer ring convexity are provided on the upper end face of the connecting ring, which respectively abut against the outer wall of the main frame and the inner wall of the inner flange, and a clearance opening is provided at the corresponding connecting pieces of the inner ring convexity and the outer ring convexity.

[0010] As a further solution, a connecting groove is formed between the inner ring convexity and the outer ring convexity, an opening is provided under the main housing, a connecting strip extends downward from the opening, the connecting strip and the connecting groove are engaged with each other, and the connecting strip is provided with the giving way hole corresponding to the connecting piece.

[0011] As a further solution, the outer wall of the main frame, the inner ring protrusion, the main housing, the outer ring protrusion and the inner wall of the inner flange are pressed against each other from the inside to the outside; the outer periphery of the lower end surface of the connecting ring extends downward to form a slot.

[0012] As a further solution, the cover body is provided with an upper opening and a lower opening, the upper opening extends inwardly to form a clamping edge, the outer side of the clamping edge is clamped with the clamping groove, and the inner side of the clamping edge is also clamped with a partition net.

[0013] As a further solution, a sealing strip is provided on the outer periphery of the partition net, and the sealing strip is clamped with the inner side of the clamping edge.

[0014] As a further solution, a through hole is provided on the wall surface of the protective outer cover, and the lower port is also fixedly connected with a ring sleeve, which includes a vertical portion and a horizontal portion. The vertical portion is tightly attached to the outer wall of the protective outer cover, and the horizontal portion faces the cover body and extends toward the cover body with at least two limiting protrusions.

[0015] As a further solution, at least two connecting pins are provided on the inner wall of the bottom of the protective outer cover, and connecting holes are provided on the horizontal portion corresponding to the connecting pins, and the connecting holes and the connecting pins are fixedly connected by fasteners.

[0016] As a further solution, the limiting protrusions abut against the inner wall of the cover body, a channel is formed between the limiting protrusions, and the heat-insulating cavity connected to the outside is formed between the protective outer cover and the cover body.

[0017] As a further solution, the through hole is arranged on the inner flange, the through holes are connected up and down, and there are multiple through holes, and the multiple through holes are arranged along the inner flange.

[0018] As a further solution, the cover body and the protective outer cover are circular, elliptical, polygonal, or a combination of the above shapes.

[0019] As a further solution, the cover body is in the shape of a bell that is open at the top and bottom, and the lower opening is larger than the upper opening; the protective outer cover is in the shape of a bell that is open at the top and bottom, and the lower port is larger than the upper port.

[0020] As a further solution, the cover body and the protective outer cover are either a transparent non-metallic body or a metallic body.

[0021] As a further solution, a heating fan is connected to the output end of the motor; the partition net is arranged at the bottom of the main unit, and the partition net is provided with partition perforations, and the heating fan generates airflow to blow the heat of the heating element through the partition net to the food roasting and frying cavity;

[0022] As a further solution, a grilling net can be detachably provided on the chassis, and the chassis matches with the lower opening of the cover body.

[0023] As a further solution, the main frame is also fixedly provided with a downwardly arranged heat insulation cover, the motor is fixedly set on the main frame, the middle part of the output end of the motor is driven and connected to the cooling fan, the end portion extends into the heat insulation cover and is driven and connected to the heating fan, the heating element is located outside or below the heating fan and is fixedly set in the heat insulation cover; the main casing is also provided with a heat dissipation port corresponding to the cooling fan.

[0024] The beneficial effects of the utility model are as follows:

[0025] This improved air fryer uses at least one layer of protective outer cover to be added outside the cover. The protective outer cover and the cover body or the main unit are fixed to each other by fasteners, welding, pasting, magnetic attraction or clamping, so that a heat-insulating cavity is formed between the protective outer cover and the cover body, which can effectively prevent burns caused by approaching or accidentally touching the cover body, and has higher safety performance; through holes and limiting protrusions are provided in the protective outer cover, so that the heat-insulating cavity connected to the outside world is formed between the protective outer cover and the cover body, so that the air in the heat-insulating cavity can circulate, reducing the influence of the hot air in the cover body on the temperature rise of the protective outer cover, and solving the technical problem of potential safety hazards caused by the large temperature rise caused by the single-layer outer shell in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the exploded structure of an embodiment of the utility model.

[0027] Figure 2 for Figure 1 Schematic diagram of the structure from another angle.

[0028] Figure 3 It is a side view of an embodiment of the utility model.

[0029] Figure 4 It is a schematic cross-sectional structural diagram of an embodiment of the utility model.

[0030] Figure 5 for Figure 4 A in the figure is an enlarged structural diagram.

[0031] Figure 6 This is a schematic diagram of the assembly structure of an embodiment of the utility model.

[0032] Figure 7 The figure is a schematic diagram of the exploded structure of an embodiment of the utility model.

[0033] Figure 8 for Figure 7 The enlarged structural diagram at B in FIG.

[0034] Fig. 9 This is a schematic diagram of the exploded structure of an embodiment of the utility model.

[0035] Fig.10 for Fig. 9 The enlarged structural diagram at C in the figure.

[0036] Reference numerals:

[0037] 10-main housing, 11-opening, 12-connecting strip, 13-allowing hole, 14-heat dissipation port, 15-handle, 20-main frame, 21-motor, 22-heating element, 23-limiting port, 24-fixing pin, 25-heat insulation cover, 26-cooling fan, 27-heat blowing fan, 30-connecting ring, 31-inner ring convex, 32-outer ring convex, 33-connecting groove, 34-allowing port, 35-card slot, 40-protective outer cover, 41-upper port , 42-lower port, 43-inner flange, 44-connecting piece, 45-fixing hole, 46-through hole, 47-connecting pin, 48-insulating cavity, 50-ring sleeve, 51-vertical part, 52-horizontal part, 53-limiting protrusion, 54-connecting hole, 60-cover body, 61-upper opening, 62-lower opening, 63-card edge, 64-food roasting and frying cavity, 70-partition net, 71-sealing strip, 72-partitioning perforation, 80-chassis, 81-roasting net. DETAILED DESCRIPTION

[0038] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0039] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0040] See also Figures 1 to 10As shown, the present application provides an improved air fryer, including a main body assembly and a chassis 80, the main body assembly includes a main shell 10, a main frame 20, a motor 21 and a heating element 22 are arranged in the main shell 10, the motor 21 and the heating element 22 are installed on the main frame 20, a downwardly extending cover body 60 is connected to the bottom of the main body assembly, the cover body 60 is placed on the chassis 80, and a food roasting and frying chamber 64 is formed between the two, and at least one layer of protective outer cover 40 is also sleeved on the outside of the cover body 60, the protective outer cover 40 and the cover body 60 or the main body are fixed to each other by fasteners, welding, pasting, magnetic attraction or clamping, and a closed or unclosed heat-insulating chamber 48 is formed between the protective outer cover 40 and the cover body 60, which effectively prevents burns caused by approaching or accidentally touching the cover body 60, so that the safety performance is relatively high.

[0041] The improved air fryer provided in the present application has an upper port 41 and a lower port 42, the upper port 41 is provided with an inner flange 43, and the inner flange 43 has at least two connecting pieces 44 extending inwardly, and the connecting pieces 44 are provided with fixing holes 45, and the protective cover 40 is fixed to the main frame 20 by fasteners through the connecting pieces 44.

[0042] The main frame 20 is provided with a limiting opening 23 corresponding to the connecting piece 44, and the connecting piece 44 and the limiting opening 23 cooperate with each other to prevent the protective cover 40 from rotating around the main frame 20, thereby limiting the protective cover 40; the main frame 20 is provided with a fixing pin 24 corresponding to the fixing hole 45, and the fixing hole 45 and the fixing pin 24 cooperate with each other and are fixedly connected by fasteners. The main shell 10 is also provided with a yield hole 13 corresponding to the connecting piece 44, which further fixes the protective cover 40 to the main assembly to prevent the protective cover 40 from falling off.

[0043] A connecting ring 30 is fixedly provided below the main frame 20. An inner ring protrusion 31 and an outer ring protrusion 32 are provided on the upper end surface of the connecting ring 30, which respectively abut against the outer wall of the main frame 20 and the inner wall of the inner flange 43, thereby sealing the gap between the main frame 20 and the protective outer cover 40 and improving its aesthetics. A clearance opening 34 is also provided at the inner ring protrusion 31 and the outer ring protrusion 32 corresponding to the connecting piece 44, so that the connecting ring 30 can better cooperate with the connecting piece 44, and while making way for the connecting piece 44, the protective outer cover 40 is further limited.

[0044] A connecting groove 33 is formed between the inner ring protrusion 31 and the outer ring protrusion 32. An opening 11 is provided below the main housing 10. A connecting strip 12 extends downward from the opening 11. The connecting strip 12 and the connecting groove 33 cooperate with each other to fix the main housing 10, the main frame 20 and the protective cover 40 to each other. The connecting strip 12 is provided with the clearance hole 13 corresponding to the connecting piece 44.

[0045] The outer wall of the main frame 20 , the inner ring protrusion 31 , the main housing 10 , the outer ring protrusion 32 and the inner wall of the inner flange 43 are pressed against each other from the inside to the outside; the outer periphery of the lower end surface of the connecting ring 30 extends downward to form a slot 35 .

[0046] The cover body 60 is provided with an upper opening 61 and a lower opening 62 . The upper opening 61 extends inward to form a clamping edge 63 . The outer side of the clamping edge 63 is clamped with the clamping groove 35 , so that the cover body 60 and the connecting ring 30 are fixedly connected to each other. The inner side of the clamping edge 63 is also clamped with a partition net 70 .

[0047] A sealing strip 71 is disposed on the outer periphery of the partition net 70 , and the sealing strip 71 is engaged with the inner side of the clamping edge 63 .

[0048] A through hole 46 is provided on the wall surface of the protective outer cover 40, and the lower port 42 is also fixedly connected to a ring sleeve 50, which includes a vertical portion 51 and a horizontal portion 52. The vertical portion 51 is tightly attached to the outer wall of the protective outer cover 40, and the horizontal portion 52 faces the cover body 60 and has at least two limiting protrusions 53 extending toward the cover body 60.

[0049] The limiting protrusions 53 abut against the inner wall of the cover body 60, and a channel is formed between the limiting protrusions 53. The heat-insulating cavity 48 connected to the outside is formed between the protective outer cover 40 and the cover body 60, so that air can circulate in the heat-insulating cavity 48, thereby reducing the influence of the hot air in the cover body 60 on the temperature rise of the protective outer cover 40.

[0050] At least two connecting pins 47 are provided on the inner wall of the bottom of the protective cover 40, and the horizontal portion 52 is provided with connecting holes 54 corresponding to the connecting pins 47. The connecting holes 54 and the connecting pins 47 are fixedly connected by fasteners, so that the ring sleeve 50 is fixed to the bottom of the protective cover 40;

[0051] The through hole 46 is disposed on the inner flange 43 . The through holes 46 are connected up and down, and a plurality of through holes 46 are provided. The plurality of through holes 46 are arranged along the inner flange 43 .

[0052] The cover body 60 and the protective outer cover 40 are circular, elliptical, polygonal, or a combination of the above shapes.

[0053] Preferably, the cover body 60 is in the shape of a bell that is open at the top and bottom, and the lower opening 62 is larger than the upper opening 61; preferably, the protective outer cover 40 is in the shape of a bell that is open at the top and bottom, and the lower opening 42 is larger than the upper opening 41;

[0054] The cover body 60 and the protective outer cover 40 are either a transparent non-metallic body or a transparent metal body, so as to better observe the roasting and frying conditions of the food in the cover body.

[0055] The output end of the motor 21 is connected to a heating fan 27 ; the partition net 70 is disposed at the bottom of the main unit, and a partition perforation 72 is provided on the partition net 70 . The heating fan 27 generates an airflow to blow the heat of the heating element 22 through the partition net 70 toward the food roasting and frying chamber 64 .

[0056] The bottom plate 80 is also provided with a grilling net 81 detachably, and the bottom plate 80 is matched with the lower opening 62 of the cover body 60 .

[0057] The main frame 20 is also fixedly provided with a heat insulation cover 25 arranged downward, the motor 21 is fixedly arranged on the main frame 20, the middle part of the output end of the motor 21 is driven and connected to the cooling fan 26, the end part extends into the heat insulation cover 25 and is driven and connected to the heating fan 27, the heating element 22 is located outside or below the heating fan 27 and is fixedly arranged in the heat insulation cover 25; the main housing 10 is also provided with a heat dissipation port 14 corresponding to the cooling fan 26.

[0058] The above is a preferred embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected, and the scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An improved air fryer, comprising a main unit assembly and a chassis (80), wherein the main unit assembly comprises a main housing (10), wherein a main frame (20), a motor (21) and a heating element (22) are arranged in the main housing (10), wherein the motor (21) and the heating element (22) are mounted on the main frame (20), and a cover (60) extending downward is connected to the bottom of the main unit assembly, wherein: The cover body (60) is placed on the bottom plate (80), and a food roasting and frying chamber (64) is formed between the two. At least one layer of protective outer cover (40) is also provided outside the cover body (60). The protective outer cover (40) and the cover body (60) or the main machine are fixed to each other by fasteners, welding, bonding, magnetic attraction or clamping. A closed or unclosed heat-insulating chamber (48) is formed between the protective outer cover (40) and the cover body (60).

2. The improved air fryer according to claim 1, characterized in that: The protective outer cover (40) is provided with an upper port (41) and a lower port (42); the upper port (41) is provided with an inner flange (43); and the inner flange (43) has at least two connecting pieces (44) extending inwardly; and the connecting pieces (44) are each provided with a fixing hole (45); The main frame (20) is provided with a limiting opening (23) corresponding to the connecting piece (44), the main frame (20) is provided with a fixing pin (24) corresponding to the fixing hole (45), the fixing hole (45) and the fixing pin (24) cooperate with each other and are fixedly connected by a fastener, and the main housing (10) is further provided with a clearance hole (13) corresponding to the connecting piece (44).

3. The improved air fryer according to claim 2, characterized in that: A connecting ring (30) is fixedly provided below the main frame (20), and an inner ring protrusion (31) and an outer ring protrusion (32) are provided on the upper end surface of the connecting ring (30) to respectively abut against the outer wall of the main frame (20) and the inner wall of the inner flange (43), and a clearance opening (34) is provided at the inner ring protrusion (31) and the outer ring protrusion (32) corresponding to the connecting piece (44); A connecting groove (33) is formed between the inner annular protrusion (31) and the outer annular protrusion (32); an opening (11) is provided below the main housing (10); a connecting strip (12) extends downward from the opening (11); the connecting strip (12) and the connecting groove (33) are engaged with each other; and the connecting strip (12) is provided with the clearance hole (13) corresponding to the connecting piece (44); The outer wall of the main frame (20), the inner ring protrusion (31), the main housing (10), the outer ring protrusion (32) and the inner wall of the inner flange (43) are pressed against each other from the inside to the outside; the outer periphery of the lower end surface of the connecting ring (30) extends downward to form a clamping groove (35).

4. The improved air fryer according to claim 1, characterized in that: The cover body (60) is provided with an upper opening (61) and a lower opening (62); the upper opening (61) extends inwardly to form a clamping edge (63); the outer side of the clamping edge (63) is clamped with the clamping groove (35); and the inner side of the clamping edge (63) is also clamped with a partition net (70); A sealing strip (71) is provided on the outer periphery of the separation net (70), and the sealing strip (71) is clamped to the inner side of the clamping edge (63).

5. The improved air fryer according to claim 2, characterized in that: A through hole (46) is provided on the wall surface of the protective outer cover (40), and the lower port (42) is also fixedly connected to a ring sleeve (50), the ring sleeve (50) comprising a vertical portion (51) and a horizontal portion (52), the vertical portion (51) being in close contact with the outer wall of the protective outer cover (40), and the horizontal portion (52) being directed toward the cover body (60) and having at least two limiting protrusions (53) extending toward the cover body (60); At least two connecting pins (47) are provided on the inner wall of the bottom of the protective outer cover (40); the horizontal portion (52) is provided with connecting holes (54) corresponding to the connecting pins (47); the connecting holes (54) and the connecting pins (47) are fixedly connected by fasteners; The limiting protrusions (53) abut against the inner wall of the cover body (60), a channel is formed between the limiting protrusions (53), and the heat-insulating cavity (48) connected to the outside is formed between the protective outer cover (40) and the cover body (60).

6. The improved air fryer according to claim 5, characterized in that: The through hole (46) is provided on the inner flange (43), the through holes (46) are connected up and down, and a plurality of through holes (46) are provided, and the plurality of through holes (46) are arranged along the inner flange (43).

7. The improved air fryer according to claim 1, characterized in that: The cover body (60) and the protective outer cover (40) are circular, elliptical, polygonal, or a combination of the above shapes.

8. The improved air fryer according to claim 4 or 7, characterized in that: The cover body (60) is in the shape of a bell that is open at the top and bottom, and the lower opening (62) is larger than the upper opening (61); the protective outer cover (40) is in the shape of a bell that is open at the top and bottom, and the lower port (42) is larger than the upper port (41); The cover body (60) and the protective outer cover (40) are either a transparent non-metallic body or a metallic body.

9. The improved air fryer according to claim 4, characterized in that: The output end of the motor (21) is connected to a heating fan (27); the partition net (70) is arranged at the bottom of the main machine, and the partition net (70) is provided with a partition perforation (72); the heating fan (27) generates an airflow to blow the heat of the heating element (22) through the partition net (70) toward the food roasting and frying chamber (64); The bottom plate (80) is also provided with a grilling net (81) which can be detachably mounted thereon, and the bottom plate (80) is matched with the lower opening (62) of the cover body (60).

10. The improved air fryer according to claim 9, characterized in that: The main frame (20) is also fixedly provided with a heat insulation cover (25) arranged downwards, the motor (21) is fixedly provided on the main frame (20), the middle part of the output end of the motor (21) is drivingly connected to a heat dissipation fan (26), the end of the motor (21) extends into the heat insulation cover (25) and is drivingly connected to the heat blowing fan (27), the heating element (22) is located outside or below the heat blowing fan (27) and is fixedly provided in the heat insulation cover (25); the main housing (10) is also provided with a heat dissipation port (14) corresponding to the heat dissipation fan (26).

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