Air fryer and gridiron for air fryer

Abstract

The air fryer comprises a machine body, a cooking cavity and a hot air generating mechanism for blowing hot air into the cooking cavity are arranged on the machine body, the grill is arranged in the cooking cavity and obliquely arranged relative to the horizontal plane, and the bottom of the grill is separated from the bottom of the cooking cavity by a certain height. Ventilation holes are formed in the surface of the gridiron and / or between the surface of the gridiron and the wall of the cooking cavity and communicate the spaces on the upper side and the lower side of the gridiron. According to the air fryer and the gridiron thereof, the air fryer and the gridiron thereof are obliquely placed, so that the food bearing area of the cross section of the cooking cavity or the inner cavity of the fryer body is increased, the oblique gridiron is beneficial for discharging redundant grease after some food with high grease is baked, and the baking effect is better.

Description

Technical Field

[0001] This utility model relates to the field of air fryer technology, and in particular to an air fryer and an air fryer rack. Background Technology

[0002] Chinese Patent Document No. CN214341874U, published on October 8, 2021, discloses a compact air fryer, including a shell, an inner pot disposed within the shell, and a grill rack disposed within the inner pot. The grill rack is divided at the lower part of the inner pot to form a reflux space. An air guide hood and a heating element located below the air guide hood are provided on the upper part of the shell. A reflux hole penetrating the reflux space is provided at the lower part of the inner pot. A circulating air duct is provided between the inner pot and the shell, with its lower end connected to the reflux hole and its upper end penetrating the air guide hood. A circulating fan and a motor driving the circulating fan are provided within the circulating air duct. A cooling module for cooling the motor is provided on the outside of the circulating air duct, and the cooling module is linked to the motor. This structure's grill rack is placed horizontally, utilizing only the cross-sectional area of ​​the inner pot; furthermore, the grease from the cooked food cannot be effectively drained, affecting the food's texture.

[0003] Chinese Patent Document No. CN115177161A disclosed an air fryer on October 14, 2022, comprising an outer shell, a motor bracket, a heat insulation cover, a suction fan blade, an exhaust fan blade, a heating plate, a support body, a bottom shell, a pot body, and a handle. The motor bracket, heat insulation cover, support body, and bottom shell are fixed in sequence from top to bottom. The outer shell covers the outside. The pot body and the handle are fixed together by a handle connector. The handle connector has ventilation holes. Ventilation plates extend outward from the bottom of the support body. Ventilation plates have ventilation holes. Ventilation slots are formed on the base. The heat insulation cover has a hot air outlet and an ambient air inlet. The motor bracket has an air outlet and an air inlet. A gap is left between the motor bracket and the heat insulation cover to form an ambient air cavity. A gap is left between the outer shell and the support body. The supporting body of the structure (the enclosure of the cooking cavity) is U-shaped. After processing, its shape is unstable. After it is assembled, the exposed sides and back need to be covered with an outer shell. In addition, the motor bracket covers the heat insulation cover on the supporting body, which requires more materials and is costly. Utility Model Content

[0004] One objective of this invention is to provide an air fryer with a simple and reasonable structure, a large food holding area, and good oil removal performance.

[0005] One objective of this utility model is achieved as follows:

[0006] An air fryer includes a body, a cooking cavity and a hot air generating mechanism for blowing hot air into the cooking cavity, a grill rack inside the cooking cavity, the grill rack being inclined relative to the horizontal plane, the bottom of the grill rack being separated from the bottom of the cooking cavity by a certain height, and ventilation holes being provided between the surface of the grill rack and / or the wall of the cooking cavity, the ventilation holes connecting the spaces on the upper and lower sides of the grill rack.

[0007] The objective of this utility model can also be achieved by the following technical measures:

[0008] As a more specific embodiment, the tilt angle of the grill is 3 to 10 degrees.

[0009] The cooking cavity is equipped with a pot body, and the grill rack is placed in the inner cavity of the pot body. The bottom of the grill rack is separated from the bottom of the inner cavity by a certain height, and there are ventilation holes between the grill rack and the inner cavity wall.

[0010] As a further solution, the surface of the grill is provided with multiple protrusions, and the protrusions form guide grooves between them.

[0011] As a further embodiment, the protrusion is a rib, which points along the tilt direction of the grill, and the surface of the rib is provided with several through holes.

[0012] As a further embodiment, the bottom of the grill is provided with support feet, the upper end of which lifts the grill and tilts it; or, the grill is provided with a hanging device, the lower end of which lifts the grill and tilts it; or, the inner wall of the pot is provided with two support positions that form a height difference, and the grill is placed on the two support positions to form an inclination.

[0013] As a further embodiment, the body includes an outer shell and an inner liner. The inner liner includes a bottom plate, a back plate, an inner top cover, and two inner side plates, which are distributed left and right. The bottom plate, back plate, and inner top cover are respectively connected to the lower end, rear end, and top end of the two inner side plates, and together form the cooking cavity with an open front end. The back plate also has an outwardly protruding boss corresponding to the rear end of the cooking cavity. The pot body is inserted into the cooking cavity from the front opening of the cooking cavity. The hot air generating mechanism is located on the top of the inner top cover. The outer shell includes an outer top cover and two outer side plates, which are connected to the outside of the inner side plates. The outer top cover is located on the outer side plates and covers the inner top cover and the hot air generating mechanism.

[0014] As a further embodiment, the inner top cover is a sheet metal part, with its top protruding upwards to form a radiant shield; the hot air generating mechanism includes a heating element, a motor, a draft shield, draft fan blades, and a circulating fan blade. The circulating fan blades and heating element are distributed vertically and arranged inside the radiant shield. The draft shield is located on the outer top surface of the radiant shield, with a draft cavity at the bottom and draft fan blades arranged inside the draft cavity. The radiant shield has a pressure relief hole communicating with the draft cavity and the cooking cavity. A motor frame is located on the top of the draft shield, and the motor is mounted on the motor frame. The motor shaft passes through the draft shield in sequence. The cavity and radiation shield are connected to the flow fan blades and circulation fan blades respectively. The flow fan shield is provided with an air inlet and an exhaust channel on the upper and rear sides corresponding to the flow cavity. The rear side of the flow fan shield is also provided with a limiting foot, the outer end of which protrudes beyond the outer end of the exhaust channel. The rear side of the outer top cover is open. The upper end of the back plate extends upward and covers the rear open part of the outer top cover. The back plate is provided with a vent hole and a clearance hole corresponding to the exhaust channel and the limiting foot respectively. The outer end of the exhaust channel abuts against the vent hole. The outer end of the limiting foot passes through the clearance hole and extends out of the back plate.

[0015] Another objective of this invention is to provide a grill rack for an air fryer that has a simple and reasonable structure and is conducive to improving the baking effect.

[0016] Another objective of this utility model is achieved as follows:

[0017] An air fryer rack has multiple protrusions on its surface. The rack is characterized in that: the bottom of the rack is provided with support feet, the upper ends of which lift the rack and tilt it; or, the rack is provided with a hanging member, the lower end of which lifts the rack and tilts it.

[0018] The objective of this utility model can also be achieved by the following technical measures:

[0019] As a more specific embodiment, the tilt angle of the grill is 3 to 10 degrees; the support feet are located at the bottom of one end of the grill, or the support feet include a long support foot and a short support foot, which are respectively located at the bottom of both ends of the grill, or the grill has support feet on both sides, with the top of the support foot tilted relative to its bottom and connected to the grill through the top. The suspension member is located at the top of one end of the grill, or the suspension member includes a long hanging member and a short hanging member, which are respectively located at the top of both ends of the grill, or the grill has suspension members on both sides, with the bottom of the suspension member tilted relative to its top and connected to the grill through the bottom. The support feet or suspension members are fixedly connected to the grill; or the support feet or suspension members are hinged to the grill for limiting engagement.

[0020] The beneficial effects of this utility model are:

[0021] (1) The air fryer and its grill rack of this utility model are tilted, which increases the area of ​​food that can be placed in the cross-section of the cooking cavity or the inner cavity of the pot. Moreover, the tilted grill rack is conducive to the removal of excess oil after baking certain high-oil foods, resulting in better baking effect.

[0022] (2) The surface of the grill of this utility model is provided with ribs, which reduces the contact area between the food and the grill and avoids sticking. Moreover, the guide grooves between the ribs and the through holes on the surface of the ribs are conducive to the hot air entering the surface of the food close to the grill, making the food bake more evenly and baking more efficient. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the air fryer in the open state according to an embodiment of the present invention.

[0024] Figure 2 This is an exploded structural diagram of the present invention.

[0025] Figure 3 for Figure 2 Another structural diagram from a different angle.

[0026] Figure 4 This is a schematic diagram of the first embodiment of the grill rack of this utility model.

[0027] Figure 5 for Figure 4 Another structural diagram from a different angle.

[0028] Figure 6 This is a schematic diagram of the drainage hood structure in this utility model.

[0029] Figure 7 This is a schematic diagram of the inner liner structure in this utility model.

[0030] Figure 8 This is a schematic diagram of the main structure of the air fryer in this utility model.

[0031] Figure 9 for Figure 8 A schematic diagram of the AA cross-sectional structure.

[0032] Figure 10 This is a top view of the air fryer structure of this utility model.

[0033] Figure 11 for Figure 10 Schematic diagram of the BB cross-section structure.

[0034] Figure 12 This is a cross-sectional structural diagram of another embodiment of the air fryer of this utility model.

[0035] Figure 13 This is a schematic diagram of the second embodiment of the grill in this utility model.

[0036] Figure 14 for Figure 13 Another schematic diagram of the working state structure.

[0037] Figure 15 This is a schematic diagram of the third embodiment of the grill in this utility model.

[0038] Figure 16 This is a schematic diagram of the fourth embodiment of the grill in this utility model.

[0039] In the diagram: 10 is the main body, 1 is the outer shell, 11 is the outer side panel, 12 is the outer top cover, 13 is the decorative beam, 2 is the inner pot, 21 is the cooking cavity, 22 is the inner side panel, 23 is the inner top cover, 231 is the radiation shield, 232 is the pressure relief hole, 24 is the back panel, 241 is the vent hole, 242 is the clearance hole, 243 is the boss, 25 is the bottom plate, 26 is the protective mesh, 3 is the pot body, 31 is the inner cavity, 32 is the panel, 311 is the support, 312 is the guide protrusion, and 313 is the pad. 4 is the grill, 41 is the end support foot, 42 is the rib, 43 is the through hole, 44 is the air guide groove, 45 is the rolled edge, 46 is the short hanging piece, 47 is the long hanging piece, 48 is the hook, 49 is the side support foot, 410 is the limiting protrusion, 5 is the motor, 51 is the air guide fan, 52 is the circulating fan, 6 is the air guide cover, 61 is the motor frame, 62 is the air inlet, 63 is the exhaust channel, 64 is the limiting top foot, 65 is the air guide cavity, 7 is the temperature sensor, and 8 is the heating element. Detailed Implementation

[0040] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0041] See Figures 1-11 As shown, an air fryer includes a body 10, a cooking chamber 21 and a hot air generating mechanism that blows hot air into the cooking chamber 21. A grill 4 is provided inside the cooking chamber 21. The grill 4 is inclined relative to the horizontal plane. The bottom of the grill 4 is separated from the bottom of the cooking chamber 21 by a certain height. Ventilation holes are provided between the surface of the grill 4 and / or the wall of the cooking chamber 21, and the ventilation holes connect the spaces on the upper and lower sides of the grill 4.

[0042] The tilt angle of the grill 4 is 4-6 degrees.

[0043] The cooking cavity 21 is provided with a pot body 3, and the grill 4 is placed in the inner cavity 31 of the pot body 3. The bottom of the grill 4 is separated from the bottom of the inner cavity 31 by a certain height, and there are ventilation holes between the grill 4 and the wall of the inner cavity 31.

[0044] The surface of the grill 4 has multiple protrusions, and the protrusions form a flow channel 44. The protrusions are ribs 42, which point along the inclined direction of the grill 4, and the surface of the ribs 42 has several through holes 43.

[0045] The bottom of the grill 4 is provided with support feet, the upper ends of which lift the grill 4 and tilt it. Specifically, the lower side wall of the inner cavity 31 is provided with a platform 311, and the rear bottom of the grill 4 is provided with an end support foot 41. The grill 4 rests on the platform 311 of the inner cavity 31 through its front end and the end support foot 41. The bottom of the inner cavity is also provided with an annular guide protrusion 312.

[0046] The body 10 includes an outer shell 1 and an inner liner 2. The inner liner 2 includes a bottom plate 25, a back plate 24, an inner top cover 23, and two inner side plates 22 on the left and right. The two inner side plates 22 are distributed on the left and right. The bottom plate 25, the back plate 24, and the inner top cover 23 are respectively connected to the lower end, rear end, and top end of the two inner side plates 22, and together form the cooking cavity 21 with an open front end. The back plate 24 also has an outwardly protruding boss 243 corresponding to the rear end of the cooking cavity 21. The pot body 3 is inserted into the cooking cavity 21 through the front opening of the cooking cavity 21. The hot air generating mechanism is located on the top of the inner top cover 23. The outer shell 1 includes an outer top cover 12 and two outer side plates 11 on the left and right. The outer side plates 11 are connected to the outside of the inner side plates 22. The outer top cover 12 is located on the outer side plates 11 and covers the inner top cover 23 and the hot air generating mechanism.

[0047] A decorative beam 13 is provided on the upper side of the open opening of the cooking cavity 21, and a panel 32 is provided on the front of the pot body 3.

[0048] The inner top cover 23 is a sheet metal part, and its top protrudes from bottom to top to form a radiation shield 231. The hot air generating mechanism includes a heating tube 8, a motor 5, a diversion shroud 6, a diversion fan blade 51, and a circulating fan blade 52. The circulating fan blade 52 and the heating tube 8 are distributed vertically and are arranged inside the radiation shield 231. The diversion shroud 6 is arranged on the outer top surface of the radiation shield 231. The bottom of the diversion shroud 6 is provided with a diversion cavity 65, and the diversion fan blade 51 is arranged inside the diversion cavity 65. The radiation shield 231 is provided with a pressure relief hole 232 communicating with the diversion cavity 65 and the cooking cavity 21. The top of the diversion shroud 6 is provided with a motor frame 61, and the motor 5 is arranged on the motor frame 61. The motor 5 shaft passes through the diversion cavity 65 and the radiation shield 231 in sequence. Inside 31, and respectively connected to the guide fan blade 51 and the circulating fan blade 52; the guide hood 6 is provided with an air inlet 62 and an exhaust channel 63 on the upper and rear sides of the guide cavity 65, respectively. The rear side of the guide hood 6 is also provided with a limiting foot 64, the outer end of the limiting foot 64 protruding beyond the outer end of the exhaust channel 63; the rear side of the outer top cover 12 is open, the upper end of the back plate 24 extends upward and covers the rear open part of the outer top cover 12, the back plate 24 is provided with a vent hole 241 and a clearance hole 242 corresponding to the exhaust channel 63 and the limiting foot 64, the outer end of the exhaust channel 63 abuts against the vent hole 241, and the outer end of the limiting foot 64 passes through the clearance hole 242 and extends out of the back plate 24.

[0049] A protective mesh 26 is provided at the top of the cooking cavity 21, corresponding to the area below the heating element 8. A temperature sensor 7 is provided on the inner top cover 23, extending into the radiation shield 231. The motor 5, heating element 8, and temperature sensor 7 are electrically connected to a control circuit (not shown in the figure). The temperature sensor 7 is used to detect the temperature inside the cooking cavity 21; when the temperature is too high, the control circuit controls the heating element to stop heating.

[0050] The lower end of the outer side plate 11 extends downwards towards the bottom plate 25 to form a foot. An air duct is formed between the outer shell 1 and the inner liner 2. The air inlet of the air intake hood 6 is connected to the air duct. An air inlet hole is provided on the outer shell 1 and is connected to the air duct (not shown in the figure). In this embodiment, a concave hand buckle is provided in the middle of the lower end of the side plate. The air inlet hole can be hidden at the bottom of the hand buckle. The hand buckle makes it easy to insert fingers and lift the machine.

[0051] As another implementation method, see Figure 12 As shown, a raised platform 313 is provided above the support platform 311 at the rear end of the left and right side walls of the inner cavity 31 of the pot body 3. The raised platform 313 and the support platform 311 at the front end form two support positions with a height difference. The bottom ends of the grill rack 4 (without support legs) are placed on the support platform 311 and the raised platform 313 respectively to form an inclination.

[0052] Example 1 of the grill, see Figure 4 and Figure 5As shown, an air fryer rack 4 has an end support foot 41 at its rear bottom. The lower end of the end support foot 41 lifts the rack 4 and tilts it. The top surface of the rack 4 has multiple parallel raised ribs 42 pointing forward and backward. The surface of each raised rib 42 has through holes 43, and guide grooves 44 are formed between the raised ribs 42. The rack 4 is a sheet metal part with rolled edges 45 to prevent scratching hands.

[0053] Furthermore, the end support foot 41 can be designed to hinge with the grill 4, see Figure 13 and Figure 14 As shown, the grill rack 4 has a limiting protrusion 410 on the side of the hinge, so that when the end support leg 41 is flipped downwards, it can only be flipped to the position shown. Figure 13 The angle shown is used to lift one end of the grill 4, causing the grill 4 to tilt; when the end support leg 41 is flipped up to Figure 14 In the indicated state, the grill 4 can also be placed horizontally to suit different occasions.

[0054] Example 2 of the grill differs from Example 1 in that: see [link to example]. Figure 15 As shown, the grill 4 is equipped with a hanging device that lifts one end of the grill 4 to tilt it.

[0055] Specifically, the hanging components include a long hanging component 47 and a short hanging component 46, which are respectively located at the top of both ends of the grill 4. The upper ends of the long hanging component 47 and the short hanging component 46 are hooks 48. In use, the hanging components engage with the opening edge of the pot body via the hooks 48 to suspend the grill 4. When there is a support platform inside the pot, only the short hanging component 46 can be retained. One end of the grill 4 rests on the support platform, and the other end is suspended from the pot body via the short hanging component 46, allowing for tilted placement.

[0056] Example 3 of the grill differs from Example 2 in that: see [link to example]. Figure 16 As shown, the left and right sides of the grill 4 are respectively provided with side support feet 49. The side support feet 49 are triangular, with the bottom side being horizontal and the top side being inclined relative to the bottom side and connected to the grill 4 so that the grill 4 can be tilted.

[0057] The above describes the preferred embodiments of this utility model, illustrating and describing its basic principles, main features, and advantages. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made without departing from the spirit and scope of this utility model, and all such changes and modifications fall within the scope of protection of this utility model as defined by the appended claims and their equivalents.

Claims

1. An air fryer comprising a main body (10) provided with a cooking cavity (21) and a hot air generating mechanism for blowing hot air into the cooking cavity (21), the cooking cavity (21) being provided with a grill (4), characterized in that: The grill (4) is arranged obliquely to the horizontal plane, the bottom of the grill (4) is separated from the bottom of the cooking cavity (21) by a certain height, and air-permeable apertures are arranged between the surface of the grill (4) and the wall of the cooking cavity (21) and connect the spaces on the upper and lower sides of the grill (4).

2. The air fryer according to claim 1, characterized in that: The oblique angle of the grill (4) is 3-10 degrees.

3. The air fryer according to claim 1, characterized in that: The cooking cavity (21) is provided with a pot body (3), the grill (4) is supported in the inner cavity (31) of the pot body (3), the bottom of the grill (4) is separated from the bottom of the inner cavity (31) by a certain height, and air-permeable apertures are arranged between the grill (4) and the wall of the inner cavity (31).

4. The air fryer according to claim 1, characterized in that: The surface of the grill (4) is provided with multiple protrusions, and flow guide grooves (44) are formed between the protrusions.

5. The air fryer according to claim 4, characterized in that: The protrusions are convex ribs (42), the convex ribs (42) point in the oblique direction of the grill (4), and the surface of the convex ribs (42) is provided with a plurality of through holes (43).

6. The air fryer of claim 3, wherein: The bottom of the grill (4) is provided with a supporting leg, the upper end of the supporting leg lifts and inclines the grill (4); or the grill (4) is provided with a hanging piece, the lower end of the hanging piece lifts and inclines the grill (4); or the inner wall of the pot body (3) is provided with two supporting positions with a height difference, and the grill (4) is supported on the two supporting positions to form an inclination.

7. The air fryer of claim 3, wherein: The machine body (10) comprises an outer shell (1) and an inner container (2), the inner container (2) comprises a bottom plate (25), a back plate (24), an inner top cover (23), and left and right inner side plates (22), the left and right inner side plates (22) are distributed on the left and right sides, the bottom plate (25), the back plate (24), and the inner top cover (23) are connected with the lower end, the rear end, and the top end of the two inner side plates (22) respectively and together enclose the cooking cavity (21) with an open front end, the back plate (24) is further provided with a protruding boss (243) corresponding to the rear end of the cooking cavity (21), and the pot body (3) is inserted into the cooking cavity (21) from the front opening of the cooking cavity (21); the hot air generating mechanism is arranged on the top of the inner top cover (23); the outer shell (1) comprises an outer top cover (12) and left and right outer side plates (11), the outer side plates (11) are connected to the outer sides of the inner side plates (22), and the outer top cover (12) is arranged on the outer side plates (11) and covers the inner top cover (23) and the hot air generating mechanism.

8. The air fryer of claim 7, wherein: The inner top cover (23) is a sheet metal part, the top of which is raised from bottom to top to form a radiation cover (231); the hot air generating mechanism comprises a heating tube (8), a motor (5), a flow guide cover (6), a flow guide blade (51) and a circulating blade (52), the circulating blade (52) and the heating tube (8) are distributed up and down and are arranged in the radiation cover (231), the flow guide cover (6) is arranged on the outer top surface of the radiation cover (231), the bottom of the flow guide cover (6) is provided with a flow guide cavity (65), the flow guide blade (51) is arranged in the flow guide cavity (65), the radiation cover (231) is provided with a pressure relief hole (232) which is communicated with the flow guide cavity (65) and the cooking cavity (21), the top of the flow guide cover (6) is provided with a motor bracket (61), the motor (5) is arranged on the motor bracket (61), the shaft of the motor (5) penetrates into the flow guide cavity (65) and the radiation cover (231) in sequence and is drivingly connected with the flow guide blade (51) and the circulating blade (52) respectively; the upper side and the rear side of the flow guide cover (6) corresponding to the flow guide cavity (65) are respectively provided with an air inlet (62) and an exhaust passage (63), the rear side of the flow guide cover (6) is further provided with a limiting top foot (64), the outer end of the limiting top foot (64) protrudes out of the outer end of the exhaust passage (63); the rear side of the outer top cover (12) is open, the upper end of the back plate (24) extends upward and covers the open part of the rear side of the outer top cover (12), the back plate (24) is provided with a ventilation hole (241) and a giving-up hole (242) corresponding to the exhaust passage (63) and the limiting top foot (64) respectively, the outer end of the exhaust passage (63) abuts against the ventilation hole (241), the outer end of the limiting top foot (64) penetrates through the giving-up hole (242) and extends out of the back plate (24).

9. An air fryer grill, the grill (4) is provided with a plurality of protrusions on the surface, characterized in that: The bottom of the grill (4) is provided with a supporting foot, the upper end of the supporting foot lifts up the grill (4) and makes it inclined; or, the grill (4) is provided with a hanging piece, the lower end of the hanging piece lifts up the grill (4) and makes it inclined.

10. The grill for an air fryer according to claim 9, characterized in that: The inclination angle of the grill (4) is 3 to 10 degrees; The supporting foot is arranged at the bottom of one end of the grill (4), or the supporting foot comprises a long supporting foot and a short supporting foot, the long supporting foot and the short supporting foot are arranged at the bottom of two ends of the grill (4) respectively, or the left and right sides of the grill (4) are provided with supporting feet, the top end of the supporting foot is inclined relative to the bottom end and is connected with the grill (4) through the top end; The hanging piece is arranged at the top of one end of the grill (4), or the hanging piece comprises a long hanging piece (47) and a short hanging piece (46), the long hanging piece (47) and the short hanging piece (46) are arranged at the top of two ends of the grill (4) respectively, or the left and right sides of the grill (4) are provided with hanging pieces, the bottom end of the hanging piece is inclined relative to the top end and is connected with the grill (4) through the bottom end; The supporting foot or the hanging piece is fixedly connected with the grill (4); or the supporting foot or the hanging piece is limitingly hingedly connected with the grill (4).

Images