Cooking device

Abstract

The utility model relates to a cooking device. The cooking device comprises a box body; the air guide cover is arranged in the inner container so as to divide the interior of the inner container into a cooking cavity and a fan bin; the air supply fan is arranged in the fan bin; an air outlet communicated with the cooking cavity and the fan bin is formed in the wind scooper, and the air outlet is arranged opposite to the air suction side of the fan; an air inlet circular seam is formed between the peripheral side edge of the wind scooper and the inner wall of the inner container, and the air inlet circular seam is circumferentially arranged at the peripheral side edge of the wind scooper in a surrounding manner; when the air supply fan operates, air in the cooking cavity can enter the fan bin through the air outlet, and air in the fan bin enters the cooking cavity through the air inlet circular seam. The air inlet circular seam is arranged on the peripheral side edge of the wind scooper in the circumferential surrounding mode, the air outlet efficiency of the wind scooper can be improved, the air outlet area of the wind scooper can be increased, then the air volume of air circulation between the cooking cavity and the fan bin is increased, the uniformity of a temperature field in the cooking cavity is improved, and the cooking efficiency in the cooking cavity is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cooking equipment, and particularly relates to a cooking device. Background Art

[0002] With the improvement of living standards, cooking devices have gradually become indispensable electrical appliances in home life. A cooking device, such as an oven, a steam box or a steam oven, is a cooking machine that houses food in a closed space and heats and cooks the food.

[0003] In related cooking devices such as ovens, steam boxes or steam ovens, an inner container is usually provided inside the cooking device, and a cooking cavity is formed inside the inner container, and food is cooked at a high temperature in the cooking cavity.

[0004] In some existing cooking devices, an air guide cover is provided on the cavity wall of the cooking cavity, and a blower chamber is formed between the air guide cover and the side wall of the inner container. In the existing air guide cover structure, air inlet holes and air outlet holes connecting the blower chamber and the cooking cavity are usually opened. The air outlet efficiency of the air outlet holes is relatively low, and the air outlet area is relatively small, resulting in poor uniformity of the air outlet temperature field and low cooking efficiency. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a cooking device to optimize the internal structure of the inner container in the cooking device and improve the air outlet efficiency of the air guide cover.

[0006] The purpose of the utility model can also be to provide a cooking device to optimize the internal structure of the inner container in the cooking device and increase the air outlet area of the air guide cover.

[0007] The purpose of the utility model can also be to provide a cooking device to optimize the internal structure of the inner container in the cooking device and improve the temperature uniformity in the cooking cavity.

[0008] The purpose of the utility model can also be to provide a cooking device to optimize the internal structure of the inner container in the cooking device and improve the cooking efficiency in the cooking cavity.

[0009] To solve the above technical problems, the utility model adopts the following technical solutions:

[0010] According to one aspect of the present utility model, the present utility model provides a cooking device, which includes: a box body that forms the outer shell of the cooking device; an inner container disposed within the box body; a wind guide cover disposed within the inner container to divide a portion of the inner container into a cooking chamber and a blower chamber; a blowing blower disposed within the blower chamber; wherein, an air outlet communicating the cooking chamber and the blower chamber is provided on the wind guide cover, and the air outlet is disposed opposite to the air suction side of the blower; an air inlet annular gap is formed between the peripheral side edge of the wind guide cover and the inner wall of the inner container, and the air inlet annular gap is circumferentially arranged around the peripheral side edge of the wind guide cover; when the blowing blower operates, the gas in the cooking chamber can enter the blower chamber through the air outlet, and the gas in the blower chamber can enter the cooking chamber through the air inlet annular gap.

[0011] In some embodiments of the present application, a connecting arm protrudes from a side of the wind guide cover facing the blower chamber, and the connecting arm is fixed to the inner side wall of the inner container to suspend the wind guide cover inside the inner container.

[0012] In some embodiments of the present application, the connecting arm extends from the peripheral side edge of the wind guide cover towards the side of the blower chamber.

[0013] In some embodiments of the present application, a wind guide wall extends from the peripheral side edge of the wind guide cover towards the cooking chamber, and the wind guide wall is spaced from the inner wall of the inner container, and the air inlet annular gap is formed between the wind guide wall and the inner wall of the inner container.

[0014] In some embodiments of the present application, the connecting arm is formed by bending and extending from the peripheral side edge of the wind guide cover towards the side of the blower chamber; the wind guide wall is formed by bending and extending from the peripheral side edge of the wind guide cover towards the cooking chamber.

[0015] In some embodiments of the present application, a plurality of connecting arms are provided, and the plurality of connecting arms are circumferentially spaced and arranged at the peripheral side edge of the wind guide cover.

[0016] In some embodiments of the present application, a plurality of wind guide walls are provided, and the plurality of wind guide walls are circumferentially arranged around the peripheral side edge of the wind guide cover.

[0017] In some embodiments of the present application, a grille net is disposed at the air outlet, grille holes are formed on the grille net, and the grille holes communicate the cooking chamber and the blower chamber.

[0018] In some embodiments of the present application, a heating element is disposed in the blower chamber, and the heating element is spaced and circumferentially arranged around the blowing blower.

[0019] In some embodiments of the present application, the air guide cover is disposed on the back side of the cooking cavity, and the blower chamber is formed between the back side of the air guide cover and the rear wall of the inner container; the connecting arm is detachably fixed on the rear side wall of the inner container.

[0020] The embodiments of the present utility model have the following advantages and positive effects:

[0021] In the cooking device according to the embodiments of the present utility model, an air guide cover is provided in the inner container. The air guide cover can be used to divide the space inside the inner container into a cooking cavity and a blower chamber, and the air supply blower is disposed in the blower chamber. An air outlet is provided on the air guide cover and is arranged opposite to the air supply blower. A circumferential edge of the air guide cover is spaced from the inner wall of the inner container to form an air inlet annular gap. When the air supply blower operates, by means of the wind force of the air supply blower, the gas in the cooking cavity can enter the blower chamber through the air outlet, and the gas in the blower chamber can enter the cooking cavity through the air inlet annular gap, forming an air circulation between the cooking cavity and the blower chamber. This solution uses the air inlet annular gap to be circumferentially arranged at the circumferential edge of the air guide cover, which can improve the air outlet efficiency of the air guide cover, increase the air outlet area of the air guide cover, and further increase the air volume of the air circulation between the cooking cavity and the blower chamber, improve the uniformity of the temperature field in the cooking cavity, and is beneficial to improving the cooking efficiency in the cooking cavity. Description of the Drawings

[0022] Figure 1 is a schematic structural diagram of a cooking device according to an embodiment of the present utility model.

[0023] Figure 2 is Figure 1 a partial structural diagram of

[0024] Figure 3 is Figure 2 a partial structural diagram of

[0025] Figure 4 is Figure 3 a front view of

[0026] Figure 5 is Figure 4 a schematic structural diagram of removing the air guide cover in

[0027] Figure 6 is Figure 3 a structural diagram from another perspective of

[0028] Figure 7 is Figure 3 a partial structural diagram of

[0029] Figure 8 is Figure 7 an exploded structural diagram of

[0030] Figure 9Yes Figure 8 Schematic structural diagram of the middle air guide cover.

[0031] Figure 10 Yes Figure 9 Side view of

[0032] Figure 11 Yes Figure 8 Schematic structural diagram of the middle grille cover.

[0033] Figure 12 Yes Figure 11 Front view of

[0034] Figure 13 Yes Figure 8 Partial exploded schematic diagram of

[0035] Figure 14 Yes Figure 13 Schematic structural diagram of the air supply fan in

[0036] Figure 15 Yes Figure 14 Side view of

[0037] Figure 16 Yes Figure 8 Schematic structural diagram of the air supply fan and the heating element in

[0038] Figure 17 Yes Figure 16 Side view of

[0039] Explanation of reference numerals: 1, box body; 10, pick-and-place opening; 11, box door; 12, door frame; 131, heat dissipation fan; 132, heat dissipation cover; 14, support top plate; 15, support back plate; 2, inner container; 20, cooking cavity; 3, air guide cover; 31, air outlet; 32, air inlet annular gap; 33, connecting arm; 331, bending and fixing part; 34, air guide wall; 35, notch part; 4, air supply fan; 401, air suction port; 402, air discharge port; 41, bottom plate; 42, fan blade; 43, air collecting cover; 431, air collecting ring; 5, heating element; 6, drive motor; 7, grille net; 70, grille hole; 71, grille ring; 72, connecting rod; 73, grille part. Detailed implementation manners

[0040] Typical implementation manners reflecting the features and advantages of the present utility model will be described in detail in the following description. It should be understood that the present utility model can have various changes in different implementation manners, all of which do not depart from the scope of the present utility model, and the descriptions and illustrations therein are essentially for illustrative purposes rather than for limiting the present utility model.

[0041] In the description of the present application, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0042] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present application, the meaning of "a plurality" is two or more unless otherwise specifically defined.

[0043] In the description of the present application, it should be noted that unless otherwise clearly specified and limited, the terms "mounted", "connected", and "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0044] In some existing cooking devices, an air guide cover is provided on the cavity wall of the cooking cavity, and a blower chamber is formed between the air guide cover and the side wall of the inner container. In the existing air guide cover structure, air inlet holes and air outlet holes connecting the blower chamber and the cooking cavity are usually provided. The air outlet efficiency of the air outlet holes is relatively low, and the air outlet area is relatively small, resulting in poor uniformity of the air outlet temperature field and thus affecting the cooking efficiency.

[0045] For the convenience of description, unless otherwise specified, the orientation expressions of up, down, left, right, front, and rear in this article are all referenced based on the state when the cooking device is in use. The door of the cooking device is the front, and the opposite direction is the rear. The vertical direction is the up and down direction, and the horizontal direction is the left and right direction.

[0046] Figure 1 is a schematic structural view of a cooking device according to an embodiment of the present utility model.

[0047] Please refer to Figure 1As shown, the cooking device provided by the embodiment of the present utility model may include a box body 1. The box body 1 is configured as the outer shell of the cooking device. The box body 1 may have a rectangular hollow structure. It should be noted that in other embodiments, the box body 1 may also adopt an outer shell structure of other shapes. The specific shape of the box body 1 may be adjusted according to needs and is not limited herein.

[0048] Figure 2 is Figure 1 a partial structural schematic diagram of.

[0049] Please refer to Figure 2 As shown, in some embodiments, a cooking cavity 20 may be formed in the box body 1. The cooking cavity 20 may be used for high-temperature cooking of food in ways such as steaming and baking.

[0050] In some embodiments, a pick-up and placement opening 10 may be provided on the front wall of the box body 1. The pick-up and placement opening 10 may communicate with the cooking cavity 20. Food ingredients may be placed into the cooking cavity 20 through the pick-up and placement opening 10.

[0051] In some embodiments, the cooking device may include an inner container 2. The inner container 2 may be disposed inside the box body 1. The cooking cavity 20 is formed in the inner container 2. The front end of the inner container 2 has an opening, and the front end opening of the inner container 2 may communicate with the pick-up and placement opening 10, that is, the pick-up and placement opening 10 may communicate with the cooking cavity 20 inside the inner container 2 through the front end opening of the inner container 2.

[0052] Please refer to Figure 1 and Figure 2 As shown, in some embodiments, a box door 11 may be provided on the front side of the box body 1. The box door 11 may be opposite to the pick-up and placement opening 10 on the front side of the box body 1. The box door 11 is used to open and close the pick-up and placement opening 10 on the front side of the box body 1, and thus the box door 11 can open and close the cooking cavity 20 in the inner container 2.

[0053] In some embodiments, a door frame 12 may be provided on the front side wall of the box body 1. The box door 11 may be rotatably connected to the front side of the door frame 12. The pick-up and placement opening 10 on the front side of the box body 1 may be opened at the center of the door frame 12. The door frame 12 may be arranged around the periphery of the pick-up and placement opening 10 of the box body 1. The front side opening of the cooking cavity 20 in the inner container 2 may be directly opposite to the center of the door frame 12. The door frame 12 may be arranged around the periphery of the front end opening of the inner container 2. When the box door 11 is closed, the peripheral edge of the box door 11 may be attached to the front side surface of the door frame 12 to seal the gap between the box door 11 and the door frame 12, and thus can close the pick-up and placement opening 10 and the cooking cavity 20.

[0054] Figure 3 is Figure 2 a partial structural schematic diagram of. Figure 4 is Figure 3 a front view of. Figure 5 is Figure 4Schematic diagram of the structure of the air guide cover 3 removed. Figure 6 is Figure 3 Schematic diagram of the structure from another perspective.

[0055] Please refer to Figures 2 to 6 As shown, in some embodiments, a heater (not shown in the figure) may be provided in the cabinet 1. The heater can be used to create a high-temperature environment in the cooking cavity 20 of the inner container 2, so as to realize the baking and roasting functions of the cooking device.

[0056] In some embodiments, the heater may be disposed on the inner wall of the inner container 2, such as the top of the cooking cavity 20. It should be noted that in other embodiments, the heater may also be disposed on the back of the cooking cavity 20 or on other side walls of the cooking cavity 20.

[0057] In some embodiments, multiple heaters may be provided. The multiple heaters can be respectively arranged on the top, back, side walls or bottom wall of the cooking cavity 20.

[0058] Please refer to Figures 2 to 6 As shown, in some embodiments, a steam generator (not shown in the figure) may be provided in the cabinet 1. The steam generator may be disposed outside the inner container 2. The steam generator can be connected to the cooking cavity 20 inside the inner container 2 through a pipeline, so as to create a high-temperature steam environment in the cooking cavity 20 of the inner container 2 and realize the steam cooking function in the cooking cavity 20.

[0059] Please refer to Figures 1 to 6 As shown, in some embodiments, a heat dissipation air duct (not marked in the figure) may be provided in the cabinet 1. One end of the heat dissipation air duct can be communicated with the inside of the cabinet 1. The other end of the heat dissipation air duct can be communicated with the external space of the cabinet 1. The heat dissipation air duct can be used to discharge air to the outside of the cabinet 1 for heat dissipation, and the heat inside the cabinet 1 can be discharged to the outside of the cabinet 1 through the heat dissipation air duct to realize the heat dissipation function inside the cabinet 1.

[0060] Please refer to Figures 2 to 6 As shown, in some embodiments, a heat dissipation fan 131 may be provided in the heat dissipation air duct. The heat dissipation fan 131 can be used to provide wind power. When the heat dissipation fan 131 is running, the air inlet end of the heat dissipation air duct can draw in the air inside the cabinet 1 and discharge the air to the outside of the cabinet 1 through the air outlet end of the heat dissipation air duct to realize the heat dissipation function inside the cabinet 1.

[0061] In some embodiments, the end of the heat dissipation air duct communicated with the cabinet 1 can be the air inlet end. The end of the heat dissipation air duct communicated with the external space of the cabinet 1 can be the air outlet end. The heat dissipation fan 131 can be disposed at the air inlet end of the heat dissipation air duct. It should be noted that in other embodiments, the heat dissipation fan 131 can also be disposed at other positions of the heat dissipation air duct.

[0062] In some embodiments, the cooling fan 131 may be a cross-flow fan, so as to facilitate increasing the wind force at the air inlet end of the cooling air duct, improving the efficiency of extracting the air in the cabinet 1, and further improving the heat dissipation efficiency in the cavity. It should be noted that in other embodiments, the cooling fan 131 may also be other types of fans.

[0063] In some embodiments, the cooling air duct may be disposed in a cavity (not labeled in the figure) formed between the inner container 2 and the cabinet 1. The air inlet end of the cooling air duct communicates with this cavity. Therefore, when the cooling fan 131 operates, the heat in the cavity can be discharged to the outside of the cabinet 1 through the cooling air duct, realizing the heat dissipation function inside the cabinet 1.

[0064] In some embodiments, the cooling air duct may be disposed in the top area of the cabinet 1. The cooling air duct may be disposed above the top of the cooking cavity 20. The cooling air duct may be disposed above the top of the inner container 2.

[0065] It should be noted that in some other embodiments, the cooling air duct may also be disposed at other positions of the cooking cavity 20 and the inner container 2. The cooling air duct may also be disposed at other positions inside the cabinet 1.

[0066] In some embodiments, the air inlet end of the cooling air duct may be located on the back side of its air outlet end. The cooling air duct may be arranged to extend in the front-back direction of the cabinet 1. The cooling air duct discharges the heat in the cavity to the front space of the cabinet 1.

[0067] In some embodiments, the air outlet end of the cooling air duct may be arranged on the upper side of the cabinet door 11. Therefore, the cooling air duct will not affect the opening or closing of the cabinet door 11. When the cabinet door 11 is closed, it will not affect the heat dissipation performance of the cooling air duct either.

[0068] Please refer to Figures 2 to 6 As shown, in some embodiments, a support top plate 14 may be provided inside the cabinet 1. The support top plate 14 may be spaced above the inner container 2. The cooling air duct may be arranged above the top of the support top plate 14.

[0069] In some embodiments, a heat dissipation cover 132 may be provided on the top surface of the support top plate 14. A cooling air duct may be formed by enclosing between the heat dissipation cover 132 and the support top plate 14. At this time, the rear end of the heat dissipation cover 132 may serve as the air inlet end of the cooling air duct. The cooling fan 131 may be disposed at the rear end of the heat dissipation cover 132. The front end of the heat dissipation cover 132 may face the front side of the cabinet 1 and serve as the air outlet end of the cooling air duct.

[0070] Please refer to Figures 2 to 6As shown, in some embodiments, a support backplate 15 may be provided inside the cabinet 1. The support backplate 15 may be disposed on the back side of the inner container 2. The bottom of the support backplate 15 may be supported on the bottom plate 41 of the cabinet 1. The top of the support backplate 15 may be connected to the rear end of the support top plate 14. The front end of the support top plate 14 may be fixed to the cabinet 1, and thus the support top plate 14 can be stably fixed above the inner container 2.

[0071] Figure 7 is Figure 3 a partial structural schematic diagram of. Figure 8 is Figure 7 an exploded structural schematic diagram of.

[0072] Please refer to Figures 2 to 8 As shown, in some embodiments, the cooking device may include an air guide hood 3. The air guide hood 3 may be disposed inside the inner container 2. The air guide hood 3 may divide the space inside the inner container 2 to form a cooking cavity 20 and a blower chamber 30. The cooking cavity 20 and the blower chamber 30 may be formed on opposite sides of the air guide hood 3 respectively.

[0073] In some embodiments, the cooking cavity 20 may be formed on the front side of the air guide hood 3. The air guide hood 3 may be arranged on the back side of the cooking cavity 20. The blower chamber 30 may be formed on the back side of the air guide hood 3. The blower chamber 30 may be formed between the back surface of the air guide hood 3 and the rear wall inside the inner container 2.

[0074] It should be noted that, in other embodiments, the air guide hood 3 may also be arranged on other side walls of the cooking cavity 20. The blower chamber 30 may also be arranged between the air guide hood 3 and other side walls of the inner container 2.

[0075] In some embodiments, the cooking device may include a supply air blower 4. The supply air blower 4 may be disposed inside the inner container 2. The supply air blower 4 may be disposed inside the blower chamber 30. The supply air blower 4 may be used to provide wind force so that the air in the cooking cavity 20 can enter the blower chamber 30 and the air in the blower chamber 30 can enter the cooking cavity 20, thereby forming a wind circulation in the cooking cavity 20 and the blower chamber 30.

[0076] Please refer to Figures 4 to 8 As shown, in some embodiments, the air guide hood 3 may be provided with an air outlet 31 that communicates the blower chamber 30 and the cooking cavity 20. The air outlet 31 may be disposed opposite to the suction side of the supply air blower 4. When the supply air blower 4 operates, the supply air blower 4 may extract the gas in the cooking cavity 20 through the air outlet 31, so that the gas in the cooking cavity 20 enters the blower chamber 30 through the air outlet 31.

[0077] In some embodiments, a circumferential side edge of the air guide cover 3 and an inner wall of the inner container 2 may be arranged at intervals. An air inlet annular gap 32 may be formed between the circumferential side edge of the air guide cover 3 and the inner wall of the inner container 2. The air inlet annular gap 32 may be arranged circumferentially around the circumferential side edge of the air guide cover 3. When the air supply fan 4 operates, the air supply fan 4 may deliver the gas in the fan chamber 30 into the cooking cavity 20 through the air inlet annular gap 32, so that the gas in the fan chamber 30 enters the cooking cavity 20 through the air inlet annular gap 32, and further a wind circulation flow can be formed in the cooking cavity 20 and the fan chamber 30, making the temperature distribution in the cooking cavity 20 more uniform.

[0078] It should be noted that the gap width of the air inlet annular gap 32 can be adjusted as needed, so as to adjust the air output of the fan chamber 30 and the air guide cover 3. The annular structure design of the air inlet annular gap 32 can effectively improve the air output efficiency of the air guide cover 3 and increase the air output area of the air guide cover 3, and further can increase the air volume of the wind circulation between the cooking cavity 20 and the fan chamber 30, improving the uniformity of the temperature field in the cooking cavity 20.

[0079] Please refer to Figures 4 to 8 As shown, in some embodiments, a heating element 5 may be provided in the fan chamber 30. The heating element 5 may be in a ring shape. The heating element 5 may be arranged circumferentially around the periphery of the air supply fan 4. The heating tube can heat the air in the fan chamber 30. When the air supply fan 4 operates, the air supply fan 4 can deliver the hot air in the fan chamber 30 into the cooking cavity 20 through the air inlet annular gap 32, increasing the temperature in the cooking cavity 20. The hot air in the cooking cavity 20 can enter the fan chamber 30 through the air outlet 31, and further a hot air circulation is formed in the cooking cavity 20 and the fan chamber 30.

[0080] It should be noted that the annular structure design of the air inlet annular gap 32 can increase the air volume and efficiency of the hot air circulation between the cooking cavity 20 and the fan chamber 30, and further can increase the cooking efficiency in the cooking cavity 20.

[0081] Please refer to Figure 6 As shown, in some embodiments, a driving motor 6 may be provided on the rear wall of the inner container 2. An output shaft of the driving motor 6 may extend into and be arranged in the fan chamber 30. The output shaft of the driving motor 6 may be connected to the air supply fan 4. The output shaft of the driving motor 6 can drive the air supply fan 4 to rotate in the fan chamber 30.

[0082] Figure 9 is Figure 8 a schematic structural diagram of the air guide cover 3 in Figure 10 is Figure 9 a side view of

[0083] Please refer to Figures 4 to 10As shown, in some embodiments, a connecting arm 33 may protrude from one side of the air guide cover 3 facing the blower chamber 30. The end of the connecting arm 33 away from the air guide cover 3 may be fixed to the inner side wall of the inner container 2, so that the air guide cover 3 and the inner side wall of the inner container 2 are arranged at intervals, and the air guide cover 3 is suspended inside the inner container 2.

[0084] In some embodiments, the connecting arm 33 may extend backward from the rear wall of the air guide cover 3. The front end of the connecting arm 33 may be connected to the air guide cover 3. The rear end of the connecting arm 33 may be detachably fixed to the rear wall inside the inner container 2.

[0085] In some embodiments, the connecting arm 33 may extend from the peripheral edge of the air guide cover 3 toward the side of the blower chamber 30. The connecting arm 33 may be integrally bent and joined to the peripheral edge of the air guide cover 3.

[0086] It should be noted that in some other embodiments, the connecting arm 33 may also be arranged in other areas on the back of the air guide cover 3.

[0087] Please refer to Figures 9 to 10 As shown, in some embodiments, a bending fixing portion 331 may be provided at the end of the connecting arm 33 away from the air guide cover 3. The bending fixing portion 331 may extend by bending from the end of the connecting arm 33 toward the center of the air guide cover 3. A fixing hole (not marked in the figure) is formed in the bending fixing portion 331. The bending fixing portion 331 may be detachably fixed to the inner wall of the inner container 2 through the fixing hole, so that the connecting arm 33 and the air guide cover 3 can be detachably fixed to the inner wall of the inner container 2.

[0088] In some embodiments, a plurality of connecting arms 33 may be provided on the air guide cover 3. The plurality of connecting arms 33 may be circumferentially spaced and arranged at the peripheral edge of the air guide cover 3. The plurality of connecting arms 33 may be circumferentially spaced and arranged on the periphery of the air supply blower 4 and the heating element 5. The plurality of connecting arms 33 may be respectively detachably fixed to the inner wall of the inner container 2, so as to stably fix the air guide cover 3 to the inner side wall of the inner container 2.

[0089] Please refer to Figures 4 to 10 As shown, in some embodiments, an air guide wall 34 extends from the peripheral edge of the air guide cover 3 toward the side of the cooking cavity 20. There may be an interval between the air guide wall 34 and the inner wall of the inner container 2. An air inlet annular gap 32 may be formed between the air guide wall 34 and the inner wall of the inner container 2. Therefore, the gas in the blower chamber 30 can enter the interior of the cooking cavity 20 through the air inlet annular gap 32 between the air guide wall 34 and the inner wall of the inner container 2.

[0090] In some embodiments, a plurality of air guide walls 34 may be provided on the air guide cover 3. The plurality of air guide walls 34 may be circumferentially arranged around the peripheral edge of the air guide cover 3.

[0091] It should be noted that in some other embodiments, the air guiding wall 34 may also be in an annular structure and is circumferentially arranged around the circumferential side edge of the air guiding cover 3.

[0092] Please refer to Figures 4 to 10 As shown, in some embodiments, the connecting arm 33 may be bent and extended from the circumferential side edge of the air guiding cover 3 towards the side of the blower compartment 30. The connecting arm 33 may be bent and extended from the circumferential side edge of the air guiding cover 3 towards the front side of the air guiding cover 3. The air guiding wall 34 may be bent and extended from the circumferential side edge of the air guiding cover 3 towards the side of the cooking cavity 20. The air guiding wall 34 may be integrally bent and connected to the circumferential side edge of the air guiding cover 3.

[0093] In some embodiments, a notch portion 35 may be provided on the air guiding wall 34 and is arranged opposite to the connecting arm 33. The notch portion 35 may be formed in the area between adjacent air guiding walls 34. The width of the connecting arm 33 may be the same as the width of the notch portion 35. It should be noted that when neither the connecting arm 33 nor the air guiding wall 34 is bent and extended, the connecting arm 33 may be arranged within the notch.

[0094] In some embodiments, a plurality of connecting arms 33 and a plurality of air guiding walls 34 may be provided on the air guiding wall 34. The plurality of connecting arms 33 and the plurality of air guiding walls 34 may be alternately arranged circumferentially in sequence at the circumferential side edge of the air guiding cover 3.

[0095] It should be noted that in some embodiments, the numbers of the connecting arm 33 and the air guiding wall 34 may be adjusted as needed and are not limited herein.

[0096] Figure 11 is Figure 8 a schematic structural view of the grille cover in Figure 12 is Figure 11 the front view of

[0097] Please refer to Figures 4 to 12 As shown, in some embodiments, a grille net 7 may be provided at the air outlet 31. Grille holes 70 may be formed on the grille net 7. A plurality of grille holes 70 may be provided on the grille net 7. The plurality of grille holes 70 may be respectively communicated with the air outlet 31. The grille holes 70 may communicate the cooking cavity 20 and the blower compartment 30. When the air supply blower 4 operates, the gas in the cooking cavity 20 may enter the blower compartment 30 through the grille holes 70 on the grille net 7.

[0098] Please refer to Figure 11 and Figure 12 As shown, in some embodiments, the grille net 7 may include a plurality of grille rings 71. The plurality of grille rings 71 may be concentrically arranged, and the plurality of grille rings 71 may be arranged at intervals in sequence from the center outwards. The grille holes 70 may be formed between adjacent grille rings 71.

[0099] In some embodiments, the grille net 7 may include connecting rods 72. The connecting rods 72 may be arranged to extend in the radial direction. The connecting rods 72 may be successively connected to a plurality of grille rings 71, thereby successively fixing the plurality of grille rings 71 on the grille net 7.

[0100] In some embodiments, the grille net 7 may include connecting rods 72. A plurality of connecting rods 72 may be arranged at intervals in the circumferential direction. The plurality of connecting rods 72 may be used to enhance the structural strength of the grille net 7. The grille holes 70 may be arc-shaped holes. The grille holes 70 may be formed between adjacent connecting rods 72 and adjacent grille rings 71.

[0101] Please refer to Figure 11 and Figure 12 As shown, in some embodiments, the outer ends of the connecting rods 72 may protrude beyond the outermost grille ring 71.

[0102] Please refer to Figure 8 As shown, in some embodiments, the outer ends of the connecting rods 72 may be fixed at the circumferential side edge of the air outlet 31 of the air guide cover 3. The outer ends of the connecting rods 72 may be fixed to the air guide cover 3 by welding or bonding or clamping.

[0103] Please refer to Figure 11 and Figure 12 As shown, in some embodiments, the grille net 7 may include a grille portion 73. The grille portion 73 may be arranged inside the innermost grille ring 71. The grille portion 73 may include a plurality of transverse rods and a plurality of longitudinal rods. The plurality of transverse rods and the plurality of longitudinal rods may be cross-connected to form a plurality of square grille holes 70.

[0104] It should be noted that, in some embodiments, the numbers of the transverse rods and the longitudinal rods of the grille portion 73 may be adjusted as needed, and are not limited herein.

[0105] Figure 13 is Figure 8 a partial exploded view of Figure 14 is Figure 13 a schematic structural view of the air supply fan 4 in Figure 15 is Figure 14 a side view of

[0106] Please refer to Figures 13 to 15As shown, in some embodiments, the air supply fan 4 may include a bottom plate 41 and fan blades 42. The bottom plate 41 may be disposed in the fan housing 30. The bottom plate 41 may be disposed opposite to the air outlet 31 on the air guide cover 3 at an interval. The fan blades 42 may be arranged on the side wall of the bottom plate 41 facing the air outlet 31. The fan blades 42 may be arranged to extend in the radial direction. A plurality of fan blades 42 may be provided. The plurality of fan blades 42 may be circumferentially and evenly spaced on the bottom plate 41. When the air supply fan 4 rotates, the fan blades 42 may extract the gas in the cooking cavity 20 through the air outlet 31 on the air guide cover 3, and exhaust the air from the center of the plurality of fan blades 42 to the surroundings, so that the gas in the fan housing 30 enters the cooking cavity 20 through the air inlet annular gap 32 on the circumferential side of the air guide cover 3.

[0107] In some embodiments, the output shaft of the drive motor 6 may be connected to the bottom plate 41. The output shaft of the drive motor 6 may drive the bottom plate 41 to rotate in the fan housing 30, and then drive the fan blades 42 to rotate in the fan housing 30 through the bottom plate 41.

[0108] In some embodiments, the air supply fan 4 may include a flow concentrator 43. The flow concentrator 43 may be disposed at an interval on the side of the bottom plate 41 close to the air outlet 31. The fan blades 42 may be disposed between the flow concentrator 43 and the bottom plate 41. An air suction port 401 may be formed on the flow concentrator 43. The air suction port 401 may be directly opposite and communicated with the air outlet 31. An air discharge port 402 may be formed between the circumferential side edge of the flow concentrator 43 and the circumferential side edge of the bottom plate 41. The air discharge port 402 may be annular. The air discharge port 402 may be circumferentially arranged around the periphery of the air supply fan 4. The inner end of the fan blade 42 may extend to the air suction port 401. The outer end of the fan blade 42 may extend to the air discharge port 402. When the air supply fan 4 operates, the wind generated by the rotation of the fan blades 42 may cause the gas in the cooking cavity 20 to sequentially enter the central area of the plurality of fan blades 42 through the air outlet 31 and the air suction port 401, flow to the surroundings along the channels between the fan blades 42, and then enter the fan housing 30 through the air discharge port 402, so that the gas in the fan housing 30 can enter the cooking cavity 20 through the air inlet annular gap 32 on the circumferential side of the air guide cover 3.

[0109] In some embodiments, a flow concentrator ring 431 may be convexly provided on the side wall of the flow concentrator 43 facing the air outlet 31. The flow concentrator ring 431 may be arranged to surround the periphery of the air suction port 40152. The air suction port 401 may be formed inside the flow concentrator ring 431. The air in the cooking cavity 20 can enter the inside of the air supply fan 4 through the air outlet 31 and the inside of the flow concentrator ring 431.

[0110] Figure 16 is Figure 8 A schematic structural view of the air supply fan 4 and the heating element 5 in Figure 17 is Figure 16 A side view of

[0111] Please refer to Figures 8 to 17 As shown, in some embodiments, the heating element 5 can be circumferentially arranged around the periphery of the air outlet 402 of the air supply fan 4. When the air supply fan 4 operates, the gas in the cooking cavity 20 can enter the interior of the air supply fan 4 through the air outlet 31 of the air guide cover 3 and the air inlet 401 of the air supply fan 4, and all the gas entering the interior of the air supply fan 4 is discharged through the air outlet 402, so that the gas is in full contact with the heating element 5 at the air outlet 402. After being heated by the heating element 5, it enters the fan chamber 30. The heated air in the fan chamber 30 can return to the cooking cavity 20 through the air inlet annular gap 32 on the periphery of the air guide cover 3, thereby increasing the temperature in the cooking cavity 20.

[0112] In some embodiments, the heating element 5 can be a heating tube, and the heating element 5 can include multiple turns of heating tubes. The multiple turns of heating tubes are all arranged within the range of the air outlet 402.

[0113] In some embodiments, the bottom plate 41 of the air supply fan 4 can be arranged in a pasted manner at the rear wall of the inner liner 2. The heating tube and the bottom plate 41 can be arranged at intervals, so as to keep a sufficient distance between the heating tube and the rear wall of the inner liner 2, and avoid the temperature at the rear wall of the inner liner 2 from being too high.

[0114] Based on the above technical solutions, the embodiments of the present utility model at least have the following advantages and positive effects:

[0115] In the cooking device of the embodiment of the present utility model, an air guide cover 3 is provided in the inner liner 2. The air guide cover 3 can be used to divide the space inside the inner liner 2 into a cooking cavity 20 and a fan chamber 30, and the air supply fan 4 is arranged in the fan chamber 30. An air outlet 31 facing the air supply fan 4 is provided on the air guide cover 3. The peripheral edge of the air guide cover 3 and the inner wall of the inner liner 2 are arranged at intervals, and an air inlet annular gap 32 is formed. When the air supply fan 4 operates, by means of the wind force of the air supply fan 4, the gas in the cooking cavity 20 can enter the fan chamber 30 through the air outlet 31, and the gas in the fan chamber 30 can enter the cooking cavity 20 through the air inlet annular gap 32, forming a wind circulation between the cooking cavity 20 and the fan chamber 30. This solution can improve the air outlet efficiency of the air guide cover 3 and the air outlet area of the air guide cover 3 by arranging the air inlet annular gap 32 circumferentially around the peripheral edge of the air guide cover 3. Furthermore, the air volume of the wind circulation between the cooking cavity 20 and the fan chamber 30 can be increased, and the uniformity of the temperature field in the cooking cavity 20 can be improved, which is beneficial to improving the cooking efficiency in the cooking cavity 20.

[0116] While the present utility model has been described with reference to several exemplary embodiments, it should be understood that the terms used are descriptive and exemplary rather than restrictive. Since the present utility model can be embodied in many forms without departing from the spirit or essence of the utility model, it should be understood that the above-described embodiments are not limited to any of the foregoing details, but should be broadly construed within the spirit and scope defined by the appended claims. Therefore, all changes and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.

Claims

1. A cooking device, characterized in that, Comprising: A box body, which forms the outer shell of the cooking device; An inner container, which is arranged inside the box body; An air guide cover, which is arranged inside the inner container to divide the interior of the inner container into a cooking cavity and a blower chamber; A blowing blower, which is arranged inside the blower chamber; Wherein, an air outlet communicating the cooking cavity and the blower chamber is provided on the air guide cover, and the air outlet is arranged opposite to the air suction side of the blower; An air inlet annular gap is formed between the circumferential side edge of the air guide cover and the inner wall of the inner container, and the air inlet annular gap is circumferentially arranged at the circumferential side edge of the air guide cover; When the blowing blower operates, the gas in the cooking cavity can enter the blower chamber through the air outlet, and the gas in the blower chamber can enter the cooking cavity through the air inlet annular gap.

2. The cooking device according to claim 1, wherein A connecting arm protrudes from the side of the air guide cover facing the blower chamber, and the connecting arm is fixed on the inner side wall of the inner container to suspend the air guide cover inside the inner container.

3. The cooking device according to claim 2, wherein The connecting arm extends from the circumferential side edge of the air guide cover towards the side of the blower chamber.

4. The cooking device according to claim 3, characterized in that A wind guiding wall extends from the circumferential side edge of the air guide cover towards the cooking cavity, and the wind guiding wall is arranged at an interval from the inner wall of the inner container, and the air inlet annular gap is formed between the wind guiding wall and the inner wall of the inner container.

5. The cooking device according to claim 4, characterized in that, The connecting arm is formed by bending and extending from the circumferential side edge of the air guide cover towards the side of the blower chamber; the wind guiding wall is formed by bending and extending from the circumferential side edge of the air guide cover towards the cooking cavity.

6. The cooking device according to claim 3, wherein There are multiple connecting arms, and the multiple connecting arms are circumferentially spaced and arranged at the circumferential side edge of the air guide cover.

7. The cooking device according to claim 4, wherein, There are multiple wind guiding walls, and the multiple wind guiding walls are circumferentially arranged at the circumferential side edge of the air guide cover.

8. The cooking device according to claim 1, characterized in that, A grille net is arranged at the air outlet, grille holes are formed on the grille net, and the grille holes communicate the cooking cavity and the blower chamber.

9. The cooking device according to claim 1, wherein A heating element is arranged inside the blower chamber, and the heating element is spaced and circumferentially arranged around the blowing blower.

10. The cooking device according to claim 2, characterized in that, The air guide cover is arranged at the back side of the cooking cavity, and the blower chamber is formed between the back side of the air guide cover and the rear wall of the inner container; The connecting arm is detachably fixed on the rear side wall of the inner container.

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