Cooking device

Abstract

The invention relates to a cooking device. The cooking device comprises a box body; an inner cavity is formed in the inner container; the driving motor is arranged on the outer wall of the inner container; the cooking bin is arranged in the inner cavity, and a cooking cavity is formed in the cooking bin; the fan is rotatably arranged in the cooking cavity, and the fan is in transmission connection with an output shaft of the driving motor; the air duct is arranged in the cooking cavity, and one end of the air duct is communicated with the fan; a plurality of air guide holes are formed in the peripheral side wall of the air guide cylinder; the driving motor can drive the draught fan to rotate in the cooking cavity, the draught fan can guide generated air into the air guide barrel, and the air is blown to the peripheral side of the air guide barrel through the air guide holes and then blown to food materials on the peripheral side of the air guide barrel, so that the food materials can be evenly baked by hot air and evenly heated, the requirement for fire control is lowered, and the cooking efficiency is improved. Moisture in the food materials is reserved, and the taste of the cooked food is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of cooking equipment, and in particular to a cooking device. Background Art

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

[0003] At present, in the related hot air baking cooking devices, the ingredients are usually placed in a baking tray and then baked by hot air. The baking is not uniform, the heat is difficult to control, the meat ingredients are easy to dry out in some parts, and the interior of the box is large, the water is easy to flow out, and the energy utilization efficiency is low. Summary of the invention

[0004] The object of the present invention is to provide a cooking device to optimize the internal structure of the cooking device in the related art, improve the cooking performance of the cooking device and save energy.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] According to one aspect of the present invention, there is provided a cooking device, comprising: a box body, which forms an outer shell of the cooking device; an inner pot, which is arranged in the box body, and an inner cavity is formed in the inner pot; a driving motor, which is arranged on the outer wall of the inner pot; a cooking chamber, which is arranged in the inner cavity, and a closed cooking cavity is formed in the cooking chamber; a fan, which is rotatably arranged in the cooking cavity, and the fan is drivingly connected to the output shaft of the driving motor; an air guide tube, which is arranged in the cooking cavity, and one end of which is connected to the fan; a plurality of air guide holes are arranged on the peripheral side wall of the air guide tube; wherein the driving motor can drive the fan to rotate in the cooking cavity, and the fan can introduce the generated wind into the air guide tube and blow it toward the peripheral side of the air guide tube through the air guide holes.

[0007] In some embodiments of the present application, the cooking device also includes a steam generator and a steam pipe; the steam generator is disposed in the box body and outside the inner pot; one end of the steam pipe is connected to the steam generator, and the other end of the steam pipe extends into and is arranged in the inner cavity, and extends into and is arranged in the cooking cavity.

[0008] In some embodiments of the present application, a food rack is provided in the cooking cavity; the food rack is sleeved on the outer circumference of the air guide tube, and a hanging rod is provided on the food rack, and the hanging rod is used to support food; the wind in the air guide tube can be blown toward the food on the hanging rod through the air guide hole.

[0009] In some embodiments of the present application, two food racks are provided, and the two food racks are arranged at intervals along the axial direction of the air guide tube; the two food racks are used to support two ends of the food respectively.

[0010] In some embodiments of the present application, the fan includes a fan cover, a wind wheel and a fan shaft; the fan cover is arranged at one end of the air guide tube, and an air guide port connected to the interior of the air guide tube is opened on the end wall of the fan cover facing the air guide tube; the wind wheel is sleeved on the fan shaft, and the wind wheel is rotatably arranged in the fan cover through the fan shaft; the fan shaft is transmission-connected to the output shaft of the drive motor; the drive motor can drive the fan shaft and the wind wheel to rotate in the fan cover, so as to introduce the generated wind into the air guide tube through the air guide port.

[0011] In some embodiments of the present application, a positioning groove arranged around the air guide port is recessed on the end wall of the fan cover facing the air guide tube; one end of the air guide tube is detachably inserted into the positioning groove.

[0012] In some embodiments of the present application, a fixing plate is provided at one end of the air guide tube away from the fan cover, and the fixing plate is arranged inside the cooking cavity; one end of the air guide tube is fixed to the fixing plate, and the other end of the air guide tube is detachably connected to the fan cover.

[0013] In some embodiments of the present application, an air inlet hole is provided on the end wall of the fan cover facing away from the air guide port; when the wind wheel rotates in the fan cover, the wind wheel can draw air in the cooking cavity through the air inlet hole and guide the air into the air guide cylinder through the air guide port.

[0014] In some embodiments of the present application, a first limiting rib is provided on the peripheral side wall of the cooking cavity, and a second limiting rib is protrudingly provided on the end wall of the cooking cavity close to the driving motor; the fan cover is clamped between the first limiting rib and the second limiting rib, and the second limiting rib enables the fan cover and the end wall of the cooking cavity to be arranged at an interval; a ventilation gap is formed between the outer wall of the fan cover and the peripheral side wall of the cooking cavity; the air blown toward the peripheral side of the air guide tube through the air guide hole can, under the action of the wind wheel, flow to the air inlet through the ventilation gap and enter the fan cover through the air inlet.

[0015] In some embodiments of the present application, the fan further includes a positioning frame; a positioning column is protruding from the end of the fan shaft facing the air guide port; one end of the positioning frame is sleeved on the positioning column, and the other end of the positioning frame is inserted into the air guide port.

[0016] In some embodiments of the present application, the cooking chamber is detachably disposed in the inner cavity; when the cooking chamber is installed in the inner cavity, the fan shaft can be axially connected and transmission connected to the output shaft of the drive motor, so that the drive motor can drive the fan shaft and the wind wheel to rotate in the fan cover.

[0017] In some embodiments of the present application, a connecting piece is provided on the output shaft of the driving motor, and a connecting portion is convexly provided on the end of the connecting piece facing the fan; a connecting groove matching the connecting portion is recessed on the end of the fan shaft facing the connecting piece; when the cooking chamber is installed in the inner cavity, the connecting portion is inserted into the connecting groove in an aligned manner so that the connecting piece and the fan shaft are fixedly connected along the axial direction.

[0018] In some embodiments of the present application, a plurality of clamping ribs are protruded from the outer wall of the connecting portion, and the plurality of clamping ribs are circumferentially evenly arranged around the outer wall of the connecting portion; the circumferential side walls of the connecting groove are recessed with clamping grooves corresponding to the clamping ribs one by one; when the connecting portion is inserted into the connecting groove, the clamping ribs are clamped into the clamping grooves one by one, so that the connecting member and the fan shaft are relatively fixed in the circumferential direction.

[0019] In some embodiments of the present application, the cooking chamber includes a chamber base and a chamber top cover; the chamber top cover is arranged on the top of the chamber base to seal and enclose the chamber base and the chamber top cover to form the cooking cavity.

[0020] In some embodiments of the present application, a temperature sensor is protrudingly provided on the inner wall of the inner cavity; and the end of the temperature sensor is against the outer wall of the cooking chamber.

[0021] In some embodiments of the present application, a supporting rib is respectively provided on the left and right side walls of the inner cavity, and the supporting rib is in the shape of an elongated strip and extends along the front-to-back direction of the inner cavity; the cooking device also includes a tray rack, and the bottom of the cooking chamber is detachably mounted on the tray rack; the two ends of the tray rack are respectively slidably supported on one of the supporting ribs.

[0022] In some embodiments of the present application, the tray rack is provided with supporting ribs, and the middle part of the supporting ribs is recessed with an arc-shaped groove that is compatible with the bottom of the cooking chamber; when the cooking chamber is mounted on the tray rack, the bottom of the cooking chamber is at least partially supported in the arc-shaped groove.

[0023] In some embodiments of the present application, a fixing frame is provided on the outer wall of the cooking chamber; the fixing frame is arranged around the circumference of the cooking chamber; when the cooking chamber is mounted on the tray rack, the fixing frame is supported on the supporting ribs.

[0024] In some embodiments of the present application, a heating device is provided in the box body, and the heating device is provided on the rear wall of the inner tank, and the heating device is used to heat the interior of the inner cavity.

[0025] The present invention has the following positive effects: in the cooking device of the embodiment of the present invention, a cooking chamber is added in the inner cavity, a sealed cooking cavity is provided in the cooking chamber, an air guide tube and a rotatable fan are provided in the cooking cavity, and one end of the air guide tube is connected to the fan; the output shaft of the driving motor is connected to the fan in a transmission manner, so that the fan can be driven by the driving motor to rotate in the cooking cavity, and the generated wind is introduced into the air guide tube, and blown to the food on the side of the air guide tube through the air guide holes on the side of the air guide tube, so that the food in the cooking cavity can be evenly baked by hot air, so that the food is evenly heated, which is beneficial to reduce the requirements for heat control. At the same time, since the cooking cavity is a sealed cavity with a space smaller than the inner cavity, it is beneficial to retain the moisture inside the food, improve the taste of the food after cooking, and also help to improve the baking efficiency and save energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic structural diagram of a cooking device according to an embodiment of the present invention.

[0027] Figure 2 yes Figure 1 Schematic diagram of the internal structure.

[0028] Figure 3 yes Figure 2 Schematic diagram of the structure from another perspective.

[0029] Figure 4 yes Figure 2 Front view of .

[0030] Figure 5 yes Figure 4 AA section view.

[0031] Figure 6 yes Figure 5 A local enlarged schematic diagram of the .

[0032] Figure 7 yes Figure 2 The schematic diagram of the structure without the cooking chamber.

[0033] Figure 8 yes Figure 7 Schematic diagram of the structure of the drive motor.

[0034] Fig. 9 yes Figure 6 Schematic diagram of the structure of the middle connecting part and the fan shaft.

[0035] Fig.10 yes Figure 2 Schematic diagram of the structure of the cooking chamber and tray rack.

[0036] Fig.11 yes Fig.10 Schematic diagram of the decomposition structure.

[0037] Fig.12 yes Fig.11 Schematic diagram of the structure of the cooking chamber.

[0038] Fig.13 yes Fig.12 Schematic diagram of the decomposition structure.

[0039] Fig.14 yes Fig.13 Schematic diagram of the structure of the middle warehouse base.

[0040] Fig.15 yes Fig.14 Schematic diagram of some structures in .

[0041] Fig.16 yes Fig.14 Schematic diagram of the structure of the central air duct and fan.

[0042] Fig.17 yes Fig.16 Schematic diagram of some structures in .

[0043] Fig.18 yes Fig.16 Cross-sectional view of the blower.

[0044] Fig.19 yes Fig.18 Schematic diagram of the structure of the wind wheel and wind turbine shaft.

[0045] Fig. 20 yes Fig.19 Schematic diagram of the decomposition.

[0046] Fig.21 yes Fig. 20 Schematic diagram of the structure of the blower shaft.

[0047] The reference numerals are as follows: 1. box body; 11. box door; 2. liner; 20. inner cavity; 21. heating plate; 22. supporting ribs; 23. supporting frame; 24. temperature sensor; 3. heating device; 4. steam generator; 41. steam pipe; 5. cooking chamber; 50. cooking chamber; 51. chamber base; 511. fixing frame; 512. handle; 513. first limiting ribs; 514. second limiting ribs; 52. chamber top cover; 522. through hole; 53. fan; 531. fan shaft; 5311. connecting groove; 5312. positioning groove; 5313. step surface; 5314. first fixing hole; 5315. positioning column; 532, fan cover; 5321, air guide port; 5322, positioning groove; 5323, air inlet hole; 533, wind wheel; 5331, shaft hole; 5332, second fixing hole; 534, positioning frame; 5341, first fixing sleeve; 5342, connecting arm; 5343, second fixing sleeve; 535, notch; 54, air guide tube; 541, air guide hole; 55, food rack; 551, hanging rod; 552, collar; 553, hanging rod; 56, fixing plate; 561, handle hole; 6, driving motor; 61, connecting piece; 611, connecting part; 612, clamping rib; 7, tray rack; 71, supporting rib; 72, arc groove. DETAILED DESCRIPTION

[0048] Typical embodiments that embody the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention can have various changes in different embodiments without departing from the scope of the present invention, and the descriptions and illustrations therein are essentially used for illustration purposes rather than for limiting the present invention.

[0049] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0050] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0051] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0052] At present, in the related hot air baking cooking devices, the ingredients are usually placed in a baking tray and then baked by hot air. The baking is not uniform, the heat is difficult to control, the meat ingredients are easy to dry out in some parts, and the interior of the box is large, the water is easy to flow out, and the energy utilization efficiency is low.

[0053] Figure 1 It is a schematic structural diagram of a cooking device according to an embodiment of the present invention. Figure 2 yes Figure 1 Schematic diagram of the internal structure. Figure 3 yes Figure 2 Schematic diagram of the structure from another perspective. Figure 4 yes Figure 2 Front view of . Figure 5 yes Figure 4 AA section view.

[0054] See also Figures 1 to 5 As shown, the cooking device provided by the embodiment of the present invention mainly includes a box body 1, an inner pot 2, a heating device 3, a steam generator 4, a cooking chamber 5, a driving motor 6 and a tray rack 7.

[0055] The box body 1 is a rectangular hollow structure. The box body 1 is configured as a shell of a cooking device. The inner space of the box body 1 is used to provide installation space for components such as an inner pot 2, a heating device 3 and a steam generator 4.

[0056] The inner pot 2 is arranged in the box body 1, and an inner cavity 20 is formed in the inner pot 2. The inner cavity 20 can be used for high-temperature cooking of food by steaming, baking, etc.

[0057] An opening (not shown) is provided on the front side wall of the box body 1, and the opening of the front side wall of the box body 1 is arranged opposite to the front end of the inner cavity 20 of the inner pot 2. The ingredients to be cooked can be put into the inner cavity 20 through the front opening of the box body 1, or taken out from the inner cavity 20 through the front opening of the box body 1.

[0058] A box door 11 is provided on the front side wall of the box body 1 . The box door 11 is movably provided on the front wall of the box body 1 and is used to open and close the front opening of the box body 1 , and further open and close the inner cavity 20 .

[0059] In some embodiments, the door 11 is hinged to the front side of the box body 1 through a hinge assembly, and the door 11 can rotate about the axis of the hinge so that the door 11 can open and close the front opening of the box body 1, thereby opening or closing the inner cavity 20.

[0060] See also Figures 2 to 5 As shown, the heating device 3 is disposed on the rear wall of the inner pot 2. The heating device 3 is used to generate heat by heating and transfer the heat to the inner cavity 20, thereby performing high-temperature cooking on the food in the inner cavity 20.

[0061] It should be noted that, in other embodiments, the heating device 3 may also be disposed on the top side wall, the bottom side wall, or the left and right side walls of the inner container 2 .

[0062] In some embodiments, the heating device 3 uses an electromagnetic heating module, and a heating plate 21 is attached to the rear wall of the inner cavity 20. The heating plate 21 can be made of microcrystalline glass. Under the electromagnetic induction of the electromagnetic heating module, the heating plate 21 can generate heat in the inner cavity 20, thereby achieving high-temperature cooking of the food in the inner cavity 20.

[0063] See also Figures 2 to 5 As shown, the steam generator 4 is arranged in the box body 1, and the steam generator 4 is arranged outside the inner pot 2, and the steam generator 4 is used to produce steam. The steam generator 4 transports the steam into the inner cavity 20 through the steam pipe 41. Specifically, one end of the steam pipe 41 is connected to the steam generator 4, and the other end of the steam pipe 41 extends into the inner cavity 20. Therefore, the steam generated by the steam generator 4 can enter the inner cavity 20 through the steam pipe 41, and then the food in the inner cavity 20 is steamed at high temperature.

[0064] In some embodiments, a through hole (not shown) is provided on the rear wall of the inner pot 2 , and an end of the steam pipe 41 away from the steam generator 4 passes through the through hole and extends into the inner cavity 20 .

[0065] See also Figures 2 to 5 As shown, the cooking chamber 5 is detachably arranged in the inner cavity 20, and the cooking chamber 5 is a small-volume closed cavity structure with a volume smaller than , and a closed cooking cavity 50 is formed in the cooking chamber 5. Therefore, when the cooking chamber 5 is installed in the inner cavity 20, the food can be put into the cooking cavity 50 in the cooking chamber 5 for cooking, so that the food can be steamed, boiled, fried, deep-fried, baked, etc. in the small-volume closed cavity. Cooking the food in the closed cooking cavity 50 can reduce the loss of water, and is conducive to improving cooking efficiency and saving energy.

[0066] In addition, when the cooking chamber 5 is not needed, the cooking chamber 5 can be removed from the inner cavity 20 , and the food can be cooked directly through the inner cavity 20 .

[0067] See also Figure 5 As shown, in some embodiments, a fan 53 and an air guide tube 54 are provided in the cooking chamber 5 .

[0068] The fan 53 is rotatably disposed in the cooking cavity 50. The fan 53 can rotate in the cooking cavity 50 to generate wind force in the cooking cavity 50 and form a hot air circulation to bake or roast the food in the cooking cavity 50 so that the food is evenly heated.

[0069] The air guide tube 54 is arranged at one side of the fan 53, and the air guide tube 54 is connected to the fan 53. The peripheral side wall of the air guide tube 54 is densely covered with a plurality of air guide holes 541, and the plurality of air guide holes 541 are arranged at intervals in the circumferential direction on the peripheral side wall of the air guide tube 54. When the fan 53 rotates, the fan 53 can guide the generated wind into the air guide tube 54, and blow it to the food around the air guide tube 54 through the air guide holes 541, so that the food in the cooking cavity 50 can be evenly baked by the hot air, so that the food is evenly heated, which is conducive to reducing the requirements for heat control. At the same time, since the cooking cavity 50 is a closed cavity with a space smaller than the inner cavity 20, it is conducive to retaining the moisture inside the food, improving the taste of the cooked food, and also conducive to improving the baking efficiency and saving energy.

[0070] Figure 6 yes Figure 5 A local enlarged schematic diagram of the . Figure 7 yes Figure 2 The cooking chamber 5 is removed from the schematic diagram of the structure.

[0071] See also Figure 6 and Figure 7 As shown, in some embodiments, a temperature sensor 24 is convexly provided on the inner wall of the inner cavity 20. When the cooking chamber 5 is installed in the inner cavity 20, the end of the temperature sensor 24 abuts against the outer wall of the cooking chamber 5. Therefore, the temperature of the outer wall of the cooking chamber 5 can be detected by the temperature sensor 24.

[0072] It should be noted that, when the cooking chamber 5 is taken out from the inner cavity 20 , the temperature sensor 24 can also directly detect the temperature in the inner cavity 20 .

[0073] See also Figures 2 to 7 As shown, the drive motor 6 is arranged in the box body 1 and on the back side of the inner pot 2. The drive motor 6 is fixed on the rear wall of the inner pot 2. The output shaft of the drive motor 6 is arranged toward the inside of the inner cavity 20. The drive motor 6 is used to drive the fan 53 in the cooking chamber 5 to rotate in the cooking cavity 50.

[0074] Specifically, the output shaft of the driving motor 6 passes through the rear wall of the inner pot 2 and extends into the inner cavity 20, and the output shaft of the driving motor 6 is arranged horizontally. When the cooking chamber 5 is installed in the inner cavity 20, the fan 53 can be axially connected with the output shaft of the driving motor 6 and transmission-connected, so that the driving motor 6 can drive the fan 53 to rotate forward or reverse in the cooking cavity 50 to generate hot air circulation in the cooking cavity 50.

[0075] It should be noted that the driving motor 6 can also be arranged on the outer wall of other side walls of the inner container 2.

[0076] Figure 8 yes Figure 7 Schematic diagram of the structure of the middle drive motor 6. Fig. 9 yes Figure 6 Schematic diagram of the structure of the middle connecting member 61 and the fan shaft 531.

[0077] See also Figures 6 to 9 As shown, in some embodiments, a connecting piece 61 is provided on the output shaft of the driving motor 6, and the connecting piece 61 is protruded in the inner cavity 20. At the same time, a fan shaft 531 is provided at the center of the fan 53, and the fan 53 rotates synchronously with the fan shaft 531, and the fan shaft 531 is arranged opposite to the connecting piece 61. When the cooking chamber 5 is installed in the inner cavity 20, the fan shaft 531 is axially connected to the connecting piece 61, so that the driving motor 6 can drive the fan 53 to rotate forward or reverse in the cooking cavity 50 through the connecting piece 61 and the fan shaft 531 in turn.

[0078] In some embodiments, a connecting portion 611 is convexly provided at one end of the connecting member 61 facing the fan shaft 531, and the connecting portion 611 is a columnar structure extending along the axial direction of the output shaft of the driving motor 6. A connecting groove 5311 is concavely provided at one end of the fan shaft 531 facing the connecting member 61, and the shape of the connecting groove 5311 matches the shape of the connecting portion 611. When the cooking chamber 5 is installed in the inner cavity 20, the connecting portion 611 can be inserted into the connecting groove 5311 in a aligned manner, so that the fan shaft 531 and the connecting member 61 are fixedly connected in the axial direction, and then the fan 53 and the output shaft of the driving motor 6 are axially connected and transmission-connected, so that the driving motor 6 can realize driving the fan 53 to rotate forward or reverse in the cooking cavity 50.

[0079] It should be noted that, in other embodiments, the connection portion 611 may also be protruded at the end of the fan shaft 531 facing the connecting member 61 , and correspondingly, the connection groove 5311 may be recessed at the end of the connecting member 61 facing the fan shaft 531 .

[0080] See also Fig. 9As shown, in some embodiments, a plurality of clamping ribs 612 are convexly provided on the outer wall of the connection portion 611, and the clamping ribs 612 extend along the axial direction of the output shaft of the driving motor 6. The plurality of clamping ribs 612 are evenly spaced and arranged around the outer wall of the connection portion 611 in the circumferential direction. At the same time, a clamping groove 5312 corresponding to the clamping rib 612 is concavely provided on the peripheral side wall of the connection groove 5311, that is, a plurality of clamping grooves 5312 are provided on the peripheral side wall of the connection groove 5311, and the plurality of clamping grooves 5312 and the plurality of clamping ribs 612 can be arranged in a one-to-one correspondence. When the cooking chamber 5 is installed in the inner cavity 20, the connecting portion 611 can be easily inserted into the connecting groove 5311, and the clamping ribs 612 can be clamped into the clamping grooves 5312 one by one, so that the connecting member 61 and the fan shaft 531 are relatively fixed in the circumferential direction to prevent the connecting member 61 and the fan shaft 531 from rotating relative to each other, so that the driving motor 6 can drive the fan 53 to rotate forward or reverse in the cooking cavity 50 through the connecting member 61 and the fan shaft 531 in turn.

[0081] It should be noted that the contours of the connecting portion 611 and the connecting groove 5311 are circular, so the connecting portion 611 can be easily docked with the locking groove 5312 at any angle.

[0082] Fig.10 yes Figure 2 Schematic diagram of the structure of the middle cooking chamber 5 and the tray rack 7. Fig.11 yes Fig.10 Schematic diagram of the decomposition structure.

[0083] See also Figures 2 to 11 As shown, the tray rack 7 is arranged at the bottom of the cooking chamber 5, and the bottom of the cooking chamber 5 is detachably mounted on the tray rack 7. The tray rack 7 is detachably mounted in the inner cavity 20, so that the cooking chamber 5 can be detachably arranged in the inner cavity 20.

[0084] In some embodiments, a support rib 22 is respectively provided on the left and right side walls of the inner cavity 20. The support rib 22 is in a long strip shape and extends along the front-back direction of the box body 1. Both ends of the tray rack 7 are slidably supported in a support rib 22, so that the tray rack 7 and the cooking chamber 5 can be detachably mounted in the inner cavity 20.

[0085] In some embodiments, support frames 23 are respectively provided on the left and right side walls of the inner cavity 20, and support ribs 22 are formed on the support frames 23. A plurality of support ribs 22 are provided, and the plurality of support ribs 22 are arranged at intervals up and down. The support ribs 22 can also be used to support a baking tray, so that the baking tray can be supported on support ribs 22 at different heights.

[0086] See also Fig.11As shown, in some embodiments, the tray rack 7 is provided with a supporting rib 71, which extends in the transverse direction, and a curved groove 72 adapted to the bottom of the cooking chamber 5 is recessed in the middle of the supporting rib 71. When the cooking chamber 5 is mounted on the tray rack 7, the bottom of the cooking chamber 5 is at least partially supported in the curved groove 72, so that the cooking chamber 5 can be stably supported on the tray rack 7.

[0087] Fig.12 yes Fig.11 Schematic diagram of the structure of the middle cooking chamber 5.

[0088] See also Figures 10 to 12 As shown, in some embodiments, a fixing frame 511 is provided on the outer wall of the cooking chamber 5; the fixing frame 511 is annular and is arranged around the circumference of the cooking chamber 5, and the fixing frame 511 is relatively fixedly connected to the cooking chamber 5. When the cooking chamber 5 is mounted on the tray rack 7, the fixing frame 511 is supported on the supporting ribs 71, thereby preventing the cooking chamber 5 from rotating in the arc groove 72 of the supporting ribs 71, thereby improving the support stability of the cooking chamber 5.

[0089] Fig.13 yes Fig.12 Schematic diagram of the decomposition structure. Fig.14 yes Fig.13 A schematic structural diagram of the middle bin base 51.

[0090] See also Figures 10 to 14 As shown, in some embodiments, the cooking chamber 5 includes a chamber base 51 and a chamber top cover 52; the chamber base 51 is a hollow structure with an opening at the top, and the chamber top cover 52 is a hollow structure with an opening at the bottom. The chamber base 51 with an opening at the top and the chamber top cover 52 with an opening at the bottom are arranged opposite to each other up and down. Therefore, the chamber top cover 52 can be covered on the top of the chamber base 51, and then the chamber base 51 and the chamber top cover 52 are sealed and enclosed to form a cooking chamber 50.

[0091] In some embodiments, the fixing frame 511 is disposed on the outer peripheral wall of the bin base 51 , and the bin base 51 can be stably supported on the pallet rack 7 through the fixing frame 511 , and then covered on top of the bin base 51 through the bin top cover 52 .

[0092] In some embodiments, a handle 512 is provided on the outer side wall of the bin base 51, and two handles 512 are provided, and the two handles 512 are respectively provided on the left and right sides of the bin base 51. The user can hold the handle 512 and take the bin base 51 out of the tray rack 7.

[0093] In some embodiments, a handle (not shown) is protruding from the top of the bin cover 52. The user can hold the handle to remove the bin cover 52 from the bin base 51, or cover the bin cover 52 on the bin base 51.

[0094] In some embodiments, a through hole 522 for the steam pipe 41 to extend into is formed on the outer wall of the chamber top cover 52, that is, the through hole 522 is formed on the outer wall of the cooking chamber 5. When the cooking chamber 5 is installed in the inner cavity 20, the end of the steam pipe 41 can extend into the cooking cavity 50 through the through hole 522, and then communicate with the inside of the cooking cavity 50. Therefore, the steam generator 4 can deliver steam to the cooking cavity 50 through the steam pipe 41.

[0095] In some embodiments, a sealing ring (not shown) is provided around the through hole 522, and the through hole 522 is formed at the center of the sealing ring. When the steam pipe 41 passes through the through hole 522 and extends into the cooking cavity 50, the sealing ring can be tightly sleeved on the steam pipe 41, thereby sealing the gap between the through hole 522 and the steam pipe 41, and maintaining the sealing of the cooking cavity 50.

[0096] Fig.15 yes Fig.14 Schematic diagram of some structures in . Fig.16 yes Fig.14 A schematic structural diagram of the middle air guide duct 54 and the fan 53. Fig.17 yes Fig.16 Schematic diagram of some structures in .

[0097] See also Figures 10 to 17 As shown, in some embodiments, the cooking chamber 5 is cylindrical as a whole, and the cooking cavity 50 in the cooking chamber 5 is also cylindrical, and the axis of the cooking cavity 50 extends along the front-to-back direction of the box body 1. The fan 53 is arranged at the rear end of the cooking cavity 50, and the fan 53 can rotate around the axis of the cooking cavity 50. The air guide 54 is arranged at the front side of the fan 53, and the air guide 54 extends along the front-to-back direction, that is, the extension direction of the air guide 54 is consistent with the extension direction of the cooking cavity 50. Therefore, when the cooking chamber 5 is installed in the inner cavity 20, the fan 53 located at the rear end of the cooking cavity 50 is connected to the output shaft of the driving motor 6, so that the driving motor 6 can drive the fan 53 to rotate in the cooking cavity 50 in the forward or reverse direction.

[0098] It should be noted that, in other embodiments, when the driving motor 6 is disposed on other side walls of the box body 1 , the extension direction of the cooking chamber 5 can also be adjusted accordingly so that the driving motor 6 is transmission-connected to the fan 53 .

[0099] See also Figures 13 to 17 As shown, in some embodiments, the air guide tube 54 is a cylindrical structure, and the air guide holes 541 are densely distributed on the peripheral side wall of the cylindrical structure of the air guide tube 54. The rear port of the air guide tube 54 is connected to the inside of the fan 53. Therefore, the fan 53 can introduce hot air into the air guide tube 54 through the rear port of the air guide tube 54, and blow it to the peripheral side space of the air guide tube 54 through the multiple air guide holes 541 on the peripheral side wall of the air guide tube 54.

[0100] In some embodiments, a food rack 55 is provided in the cooking cavity 50, and the food rack 55 is sleeved on the outer periphery of the air guide tube 54. One or more hanging rods 551 are formed on the food rack 55, and the hanging rods 551 are used to support food, that is, food can be placed on the hanging rods 551 for hot air baking. When the hot air in the air guide tube 54 is blown to the surrounding space of the air guide tube 54 through the air guide holes 541, the hot air can be blown to the food on the hanging rods 551, and then the food on the hanging rods 551 is baked with hot air.

[0101] In some embodiments, the food rack 55 further includes a collar 552 and a suspension rod 553. The collar 552 is annular and sleeved on the air guide tube 54. The suspension rod 553 extends vertically, the top of the suspension rod 553 is connected to the collar 552, and the bottom of the suspension rod 553 extends downward. There are multiple suspension rods 551, some of which extend from the collar 552 to both sides, and some of which extend from the suspension rod 553 to both sides. Multiple ingredients can be placed on different suspension rods 551 for hot air baking.

[0102] In some embodiments, the suspension rod 551 is arranged in a horizontal arc shape, and in the direction toward the outside, the suspension rod 551 gradually bends and extends upward, so that the food supported on the suspension rod 551 can be moved closer to the air guide tube 54, thereby improving the baking efficiency of the food on the suspension rod 551.

[0103] In some embodiments, two food racks 55 are provided, and the two food racks 55 are respectively mounted on the air guide tube 54, and the two food racks 55 are spaced apart along the axial direction of the air guide tube 54. The two food racks 55 are used to support the two ends of the food, respectively. Therefore, the food can be placed on the corresponding hanging rods 551 of the two food racks 55 in the form of skewers.

[0104] Fig.18 yes Fig.16 A cross-sectional view of the blower 53. Fig.19 yes Fig.18 A schematic structural diagram of a wind wheel 533 and a wind turbine shaft 531. Fig. 20 yes Fig.19 Schematic diagram of the decomposition. Fig.21 yes Fig. 20 A schematic structural diagram of the blower shaft 531.

[0105] See also Figures 14 to 21As shown, in some embodiments, the fan 53 includes a fan cover 532, a wind wheel 533 and a fan shaft 531. The fan cover 532 is arranged at one end of the air guide tube 54, and a wind cavity (not shown in the figure) is formed in the fan cover 532. An air guide port 5321 connected to the inside of the air guide tube 54 is provided on the end wall of the fan cover 532 facing the air guide tube 54. That is, one end of the air guide tube 54 is connected to the fan cover 532, and one end of the air guide tube 54 is connected to the wind guide port 5321. The wind wheel 533 is sleeved on the fan shaft 531, and the wind wheel 533 is rotatably arranged in the fan cover 532 through the fan shaft 531. Therefore, when the output shaft of the driving motor 6 is axially connected to the fan shaft 531 , the driving motor 6 can drive the fan shaft 531 and the wind wheel 533 to rotate in the fan cover 532 , and the wind generated by the wind wheel 533 can be introduced into the interior of the air guide tube 54 through the air guide port 5321 .

[0106] See also Figures 18 to 21 As shown, in some embodiments, the fan shaft 531 is provided with a step surface 5313, and the step surface 5313 is annular. At the same time, the center of the wind wheel 533 is provided with an axis hole 5331, and the wind wheel 533 is sleeved on the fan shaft 531 through the axis hole 5331, and the wind wheel 533 can be fixed on the step surface 5313.

[0107] In some embodiments, the step surface 5313 is provided with a first fixing hole 5314, the wind wheel 533 is provided with a second fixing hole 5332, and the first fixing hole 5314 is arranged opposite to the second fixing hole 5332. Therefore, the wind wheel 533 can be fixed on the step surface 5313 by screws inserted into the first fixing hole 5314 and the second fixing hole 5332, and then the wind wheel 533 can be locked on the fan shaft 531.

[0108] See also Figures 18 to 21 As shown, in some embodiments, the fan 53 further includes a positioning frame 534. A positioning column 5315 is convexly provided at one end of the fan shaft 531 facing the air guide port 5321, and the positioning column 5315 extends along the axial direction of the fan shaft 531. One end of the positioning frame 534 close to the fan shaft 531 is sleeved on the positioning column 5315, and one end of the positioning frame 534 away from the fan shaft 531 is plugged and fixed in the air guide port 5321, thereby positioning the fan shaft 531 in the fan cover 532 for rotation. Specifically, the fan shaft 531 can rotate relative to the positioning frame 534, and the positioning frame 534 is fixed in the fan cover 532, thereby enabling the fan shaft 531 to drive the wind wheel 533 to rotate relative to the fan cover 532.

[0109] In some embodiments, the positioning frame 534 includes a first fixing sleeve 5341, a connecting arm 5342, and a second fixing sleeve 5343 which are connected in sequence axially. The first fixing sleeve 5341 is annular and is embedded in the air guide port 5321; the second fixing sleeve 5343 is arranged at intervals on the side of the first fixing sleeve 5341 close to the fan shaft 531, the second fixing sleeve 5343 is annular and is rotatably sleeved on the positioning column 5315, so that the fan shaft 531 can rotate in the second fixing sleeve 5343; one end of the connecting arm 5342 is connected to the first fixing sleeve 5341, and the other end is connected to the second fixing sleeve 5343; thereby, the fan shaft 531 and the wind wheel 533 can stably rotate in the fan cover 532.

[0110] In some embodiments, the rear end of the fan shaft 531 may also be rotatably disposed on the rear end wall of the fan cover 532 , thereby enabling the fan shaft 531 and the wind wheel 533 to stably rotate in the fan cover 532 .

[0111] See also Figures 14 to 18 As shown, in some embodiments, a positioning groove 5322 is recessed on the end wall of the fan cover 532 facing the air guide tube 54, and the positioning groove 5322 is annular and arranged around the air guide port 5321. One end of the air guide tube 54 is detachably inserted into the positioning groove 5322, so that the air guide tube 54 is stably connected to the fan cover 532, and one end of the air guide tube 54 is connected to the air guide port 5321.

[0112] See also Figures 14 to 18 As shown, in some embodiments, a fixing plate 56 is provided at one end of the air duct 54 away from the fan cover 532, and the fixing plate 56 is disposed inside the cooking cavity 50, and the fixing plate 56 is arranged perpendicular to the extension direction of the air duct 54. One end of the air duct 54 away from the fan cover 532 is fixed to the fixing plate 56, and the other end is detachably fixed to the fan cover 532, so that the air duct 54 can be stably arranged in the cooking cavity 50.

[0113] In some embodiments, the outer contours of the fixing plate 56 and the fan cover 532 are both circular, and the air guide tube 54 is disposed at the center of the fixing plate 56 and the fan cover 532 , so that the air guide tube 54 can be stably arranged at the axis center of the cooking cavity 50 .

[0114] In some embodiments, a handle hole 561 is provided on the fixing plate 56, and the handle hole 561 is arranged near the top of the fixing plate 56. The user can hold the handle hole 561 of the fixing plate 56 to separate the air guide tube 54 from the fan cover 532, and take the fixing plate 56, the air guide tube 54 and the food rack 55 out of the cooking cavity 50 together, and leave the fan 53 in the cooking cavity 50.

[0115] See also Figures 13 to 18As shown, in some embodiments, an air inlet 5323 is provided on the end wall of the fan cover 532 facing away from the air guide port 5321, and the air inlet 5323 connects the air cavity in the fan cover 532 and the cooking cavity 50 outside the fan cover 532. Therefore, when the driving motor 6 drives the fan shaft 531 and the fan wheel 533 to rotate in the fan cover 532, the fan wheel 533 can extract the air in the cooking cavity 50 through the air inlet 5323, and guide the air into the air guide tube 54 through the air guide port 5321, and then blow the air to the surrounding area of ​​the cooking cavity 50 through the air guide hole 541 on the air guide tube 54.

[0116] See also Figures 13 to 16 As shown, in some embodiments, the peripheral side wall of the cooking cavity 50 is provided with a first limiting rib 513, and the end wall of the cooking cavity 50 close to the driving motor 6 is provided with a second limiting rib 514. When the fan 53 is installed in the cooking cavity 50, the fan cover 532 is clamped between the first limiting rib 513 and the second limiting rib 514, so that the fan 53 can be fixed in the cooking cavity 50. At the same time, the second limiting rib 514 allows the fan cover 532 to be spaced apart from the end wall of the cooking cavity 50, so that the air inlet hole 5323 can be connected to the cooking cavity 50 outside the fan cover 532.

[0117] In some embodiments, the first limiting rib 513 and the second limiting rib 514 are both provided on the bin base 51, so that the fan 53 can be fixed on the bin base 51. It should be noted that in other embodiments, the first limiting rib 513 and the second limiting rib 514 are both provided on the bin top cover 52, so that the fan 53 can be fixed on the bin top cover 52.

[0118] In some embodiments, a notch 535 is formed on the outer peripheral wall of the top of the fan cover 532, and the notch 535 forms a ventilation gap (not shown in the figure) between the outer wall of the fan cover 532 and the peripheral side wall of the cooking cavity 50. Therefore, the air blown to the peripheral side of the air guide tube 54 through the air guide hole 541 of the air guide tube 54 can flow into the cooking cavity 50 on the side of the fan cover 532 away from the air guide tube 54 through the ventilation gap under the wind force of the wind wheel 533, and then enter the fan cover 532 through the air inlet hole 5323, so that when the fan 53 rotates, hot air circulation can be formed in the cooking cavity 50.

[0119] Based on the above technical solution, the embodiments of the present invention have the following advantages and positive effects:

[0120] In the cooking device of the embodiment of the present invention, a cooking chamber 5 is detachably provided in the inner cavity 20, a sealed cooking chamber 50 is provided in the cooking chamber 5, a rotatable fan 53 and an air guide tube 54 are provided in the cooking chamber 50, and the air guide tube 54 is arranged opposite to the air outlet side of the fan 53; the output shaft of the driving motor 6 is connected with the fan 53 by transmission, and then the fan 53 can be driven by the driving motor 6 to rotate in the cooking chamber 50, and the generated wind is introduced into the air guide tube 54, and is blown to the food around the air guide tube 54 through the air guide holes 541 on the side of the air guide tube 54, so that the food in the cooking chamber 50 can be evenly baked by hot air, so that the food is evenly heated, which is conducive to reducing the requirements for heat control. At the same time, since the cooking chamber 50 is a sealed cavity with a space smaller than the inner cavity 20, it is conducive to retaining the moisture inside the food, improving the taste of the cooked food, and also conducive to improving the baking efficiency and saving energy.

[0121] Although the present invention has been described with reference to several typical embodiments, it should be understood that the terms used are illustrative and exemplary, rather than restrictive. Since the present invention can be embodied in a variety of forms without departing from the spirit or essence of the invention, it should be understood that the above embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope defined by the appended claims, so 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: include: a housing forming the outer shell of the cooking device; An inner liner is disposed in the box body, and an inner cavity is formed in the inner liner; A driving motor is arranged on the outer wall of the inner container; A cooking chamber is disposed in the inner cavity, and a closed cooking cavity is formed in the cooking chamber; A fan is rotatably disposed in the cooking cavity, and the fan is drivingly connected to the output shaft of the driving motor; An air guide tube is arranged in the cooking cavity, one end of which is connected to the fan; a plurality of air guide holes are arranged on the peripheral side wall of the air guide tube; The driving motor can drive the fan to rotate in the cooking cavity, and the fan can guide the generated wind into the air guide tube and blow it toward the surrounding side of the air guide tube through the air guide hole.

2. The cooking device according to claim 1, characterized in that: The cooking device also includes a steam generator and a steam pipeline; The steam generator is arranged in the box body and outside the inner tank; One end of the steam pipe is connected to the steam generator, and the other end of the steam pipe extends into and is arranged in the inner cavity, and extends into and is arranged in the cooking cavity.

3. The cooking device according to claim 1, characterized in that: A food rack is provided in the cooking cavity; The food rack is sleeved on the outer periphery of the air guide tube, and a hanging rod is provided on the food rack, and the hanging rod is used to support food; The wind in the air guide tube can be blown toward the food on the hanging rod through the air guide hole.

4. The cooking device according to claim 3, characterized in that: There are two food racks, which are spaced apart along the axial direction of the air guide tube; The two food racks are used to support two ends of the food respectively.

5. The cooking device according to claim 1, characterized in that: The fan comprises a fan cover, a fan wheel and a fan shaft; The fan cover is arranged at one end of the air guide tube, and an air guide port connected to the inside of the air guide tube is opened on the end wall of the fan cover facing the air guide tube; The wind wheel is sleeved on the fan shaft, and the wind wheel is rotatably arranged in the fan cover through the fan shaft; The fan shaft is drivingly connected to the output shaft of the drive motor; The driving motor can drive the fan shaft and the wind wheel to rotate in the fan cover, so as to guide the generated wind into the wind guide cylinder through the wind guide port.

6. The cooking device according to claim 5, characterized in that: A positioning groove arranged around the air guide port is recessed on the end wall of the fan cover facing the air guide tube; One end of the air guide tube is detachably plugged into the positioning groove.

7. The cooking device according to claim 6, characterized in that: A fixing plate is provided at one end of the air guide tube away from the fan cover, and the fixing plate is arranged inside the cooking cavity; One end of the air guide tube is fixed on the fixing plate, and the other end of the air guide tube is detachably connected to the fan cover.

8. The cooking device according to claim 5, characterized in that: An air inlet hole is provided on the end wall of the fan cover facing away from the air guide port; When the wind wheel rotates in the fan cover, the wind wheel can draw air in the cooking cavity through the air inlet hole and guide the air into the air guide cylinder through the air guide port.

9. The cooking device according to claim 8, characterized in that: The peripheral side wall of the cooking cavity is provided with a first limiting rib, and the end wall of the cooking cavity close to the driving motor is convexly provided with a second limiting rib; The fan cover is clamped between the first limiting rib and the second limiting rib, and the second limiting rib enables the fan cover to be spaced apart from the end wall of the cooking cavity; A ventilation gap is formed between the outer wall of the fan cover and the peripheral side wall of the cooking cavity; The air blown toward the peripheral side of the air guide cylinder through the air guide hole can flow toward the air inlet hole through the ventilation gap under the action of the wind wheel, and enter the fan cover through the air inlet hole.

10. The cooking device according to claim 5, characterized in that: The fan also includes a positioning frame; A positioning column is protrudingly provided on one end of the fan shaft facing the air guide port; One end of the positioning frame is sleeved on the positioning column, and the other end of the positioning frame is inserted into the air guide port.

11. The cooking device according to claim 5, characterized in that: The cooking chamber is detachably arranged in the inner cavity; When the cooking chamber is installed in the inner cavity, the fan shaft can be axially connected and transmission-connected with the output shaft of the drive motor, so that the drive motor can drive the fan shaft and the wind wheel to rotate in the fan cover.

12. The cooking device according to claim 11, characterized in that A connecting piece is provided on the output shaft of the driving motor, and a connecting portion is convexly provided on one end of the connecting piece facing the fan; One end of the fan shaft facing the connecting piece is provided with a connecting groove matched with the connecting portion; When the cooking chamber is installed in the inner cavity, the connecting portion is inserted into the connecting groove in an aligned manner so that the connecting member is fixedly connected to the fan shaft along the axial direction.

13. The cooking device according to claim 12, characterized in that A plurality of clamping ribs are protruding from the outer wall of the connecting portion, and the plurality of clamping ribs are evenly spaced and arranged around the outer wall of the connecting portion in the circumferential direction; The peripheral side wall of the connecting groove is provided with a clamping groove corresponding to the clamping ribs one by one; When the connecting portion is inserted into the connecting groove in alignment, the clamping ribs are clamped into the clamping grooves in a one-to-one correspondence, so that the connecting member and the fan shaft are relatively fixed in the circumferential direction.

14. The cooking device according to claim 1, characterized in that: The cooking chamber comprises a chamber base and a chamber top cover; the chamber top cover is arranged on the top of the chamber base to seal and enclose the chamber base and the chamber top cover to form the cooking cavity.

15. The cooking device according to claim 1, characterized in that: A temperature sensor is protrudingly provided on the inner wall of the inner cavity; the end of the temperature sensor abuts against the outer wall of the cooking chamber.

16. The cooking device according to claim 1, characterized in that: A support rib is provided on the left and right side walls of the inner cavity respectively, and the support rib is in the shape of a long strip and extends along the front-back direction of the inner cavity; The cooking device further comprises a tray rack, on which the bottom of the cooking chamber is detachably mounted; and both ends of the tray rack are respectively slidably supported on one of the supporting ribs.

17. The cooking device according to claim 16, characterized in that The tray frame is provided with supporting ribs, and the middle part of the supporting ribs is provided with an arc-shaped groove adapted to the bottom of the cooking chamber; When the cooking chamber is mounted on the tray rack, the bottom of the cooking chamber is at least partially supported in the arc-shaped groove.

18. The cooking device according to claim 17, characterized in that A fixing frame is provided on the outer wall of the cooking chamber; the fixing frame is arranged around the circumference of the cooking chamber; When the cooking chamber is mounted on the tray rack, the fixing frame is supported on the supporting ribs.

19. The cooking device according to claim 1, characterized in that: A heating device is provided in the box body, and the heating device is provided on the rear wall of the inner container, and the heating device is used for heating the interior of the inner cavity.

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