Cooking equipment

Abstract

The utility model relates to cooking equipment, which comprises an inner container, a cooking cavity, an air guide cavity and a heating device, the fan assembly comprises fan blades and a driving piece, the fan blades are arranged in the air guide cavity, the driving piece comprises a driving part and a hollow output shaft, the driving part is arranged on the outer wall of the inner container, one end of the output shaft is connected with the driving part, the other end of the output shaft extends into the air guide cavity and is connected with the fan blades, and the driving piece is used for driving the fan blades to rotate around the axis of the output shaft relative to the inner container; the steam assembly comprises a steam generation assembly and an air outlet pipe, the steam generation assembly is arranged on the outer wall of the inner container, the air outlet pipe penetrates through the output shaft, and the two ends of the air outlet pipe communicate with the steam generation assembly and the air guide cavity correspondingly. The air outlet pipe sprays high-temperature steam to the centers of the fan blades, so that the high-temperature steam and air in the cooking cavity can jointly perform uniform thermal circulation, the uniformity of the steam in the cooking cavity is improved, the situation that food is heated unevenly is well avoided, and the cooking effect is improved.

Description

Technical Field

[0001] This utility model relates to the field of household appliance technology, and in particular to a cooking device. Background Technology

[0002] In some cooking appliances such as steam ovens, a steam generator is used as an auxiliary heating element. This generator sprays high-temperature steam onto food to force out the internal oils, achieving healthy cooking methods such as defatting baking and defatting steaming. It can also be used in humidified baking functions to prevent the surface of baked food from becoming too dry, dehydrated, or even partially carbonized, which would affect the taste. Other appliances use a steam generator as the main heating element instead of a heating plate, allowing more space within the appliance to accommodate the lower heating element and ensuring even browning of food during baking.

[0003] However, when the steam generated by the steam generator enters the cooking chamber, the temperature of the steam drops sharply, resulting in an uncertain direction for the steam entering the cooking chamber and uneven distribution of steam within the chamber. This leads to uneven heating of the food, which may result in localized overcooking and affect the cooking effect. Utility Model Content

[0004] Therefore, it is necessary to provide a cooking device to address the above problems and improve the uniformity of steam in the cooking cavity.

[0005] This utility model provides a cooking device, comprising: an inner pot having a cooking cavity and a guide cavity communicating with the cooking cavity; a fan assembly including fan blades and a drive component, the fan blades being disposed within the guide cavity, the drive component including a drive part and a hollow output shaft, the drive part being disposed on the outer wall of the inner pot, one end of the output shaft being connected to the drive part, and the other end extending into the guide cavity and connected to the fan blades, the drive component being used to drive the fan blades to rotate relative to the inner pot around the axis of the output shaft; and a steam assembly including a steam generating assembly and a steam outlet pipe, the steam generating assembly being disposed on the outer wall of the inner pot, the steam outlet pipe passing through the output shaft, and both ends of the steam outlet pipe being respectively connected to the steam generating assembly and the guide cavity.

[0006] In the aforementioned cooking equipment, the high-temperature steam generated by the steam generating component can be sprayed through the exhaust pipe to the center of the fan blades inside the air guide cavity. Simultaneously, the drive unit drives the output shaft to rotate the fan blades around the axis of the output shaft. The high-speed rotation of the fan blades generates negative pressure, which can draw air from the cooking cavity into the air guide cavity and mix it with the high-temperature steam at the center of the fan blades. Then, the air is evenly dispersed to the surroundings along the direction of the fan blade rotation and discharged into the cooking cavity to form a circulating airflow. The exhaust pipe sprays the high-temperature steam towards the center of the fan blades, allowing the high-temperature steam to undergo uniform heat circulation with the air in the cooking cavity. This improves the uniformity of the steam in the cooking cavity, effectively avoiding uneven heating of food and improving the cooking effect. Furthermore, the constant contact between the steam and the fan blades during cooking makes it difficult for cooking oil stains to adhere to the fan blades, thus avoiding cleaning dead spots on the fan blades.

[0007] In one embodiment, the steam assembly further includes a nozzle, one end of the exhaust pipe being connected to the air guide chamber via the nozzle; the nozzle is provided with a plurality of nozzles, which are arranged at circumferential intervals along the nozzle.

[0008] This design allows the steam in the exhaust pipe to be evenly sprayed outwards through the nozzles, thereby improving the uniformity of the steam discharged from the air guide chamber into the cooking chamber.

[0009] In one embodiment, the nozzle is fixedly connected to one side of the fan blade facing the cooking cavity.

[0010] With this configuration, the nozzles rotate together with the fan blades, allowing the steam ejected from each nozzle outlet to diffuse more evenly in all directions.

[0011] In one embodiment, the fan assembly further includes a fixing member, the fan blades and the output shaft are fixedly connected by the fixing member, and the nozzle is integrally formed with the fixing member.

[0012] This design simplifies production and assembly processes and ensures the stability and reliability of the connection between the nozzle and the fan blade.

[0013] In one embodiment, the cooking device further includes an annular heating element disposed within the air guide cavity and located on the outer periphery of the fan blades.

[0014] With this configuration, the heating element can reheat the steam that is dispersed in all directions along the direction of the fan blade rotation, resulting in a higher temperature of the steam discharged from the air guide cavity into the cooking cavity.

[0015] In one embodiment, the inner liner has a clearance hole communicating with the air guide cavity, and the end of the output shaft away from the drive unit extends into the air guide cavity through the clearance hole; the fan assembly also includes a seal, which is disposed between the drive unit and the outer wall of the inner liner, and is sleeved on the outer periphery of the output shaft.

[0016] With this design, the seal can prevent high-temperature steam in the air guide cavity from being discharged through the clearance hole, thus affecting the amount of steam discharged into the cooking cavity, and will not affect the normal rotation of the output shaft.

[0017] In one embodiment, the steam generating assembly includes a water pump, a water valve, and a steam generator connected in sequence, wherein the water pump inlet is connected to a water source, and the steam generator outlet is connected to the steam outlet pipe.

[0018] With this setup, when the steam generating unit is working, the water valve opens, the water pump pumps water into the steam generator, the steam generator produces steam and sprays it into the air guide cavity through the exhaust pipe.

[0019] In one embodiment, the steam assembly further includes a water tank, and the inlet of the water pump is connected to the water tank.

[0020] With this setup, the water tank is used to supply water to the steam generating components.

[0021] In one embodiment, the drive unit is configured as a drive motor.

[0022] This design results in a simple and low-cost drive motor that occupies less space within the cooking equipment.

[0023] In one embodiment, the cooking device further includes a controller that is electrically connected to both the drive unit and the steam generating assembly.

[0024] This setup allows the controller to operate the fan and steam components, enabling the cooking equipment to perform steam cooking and fan blade self-cleaning functions. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this application or the conventional technology, the drawings used in the description of the embodiments or the conventional technology will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 This is a three-dimensional structural diagram of a cooking device according to one embodiment of the present invention.

[0027] Figure 2 Provided by this utility model Figure 1 A sectional view;

[0028] Figure 3 Provided by this utility model Figure 2 Enlarged view of point A in the middle;

[0029] Figure 4 Provided by this utility model Figure 1 A partial structural diagram of the wind turbine assembly and the steam assembly;

[0030] Figure 5 Provided by this utility model Figure 4 Exploded view;

[0031] Figure 6 Provided by this utility model Figure 1 A partial structural diagram of the cooking equipment.

[0032] Reference numerals: 1. Inner liner; 11. Cooking cavity; 12. Air guide cavity; 13. Clearance hole; 2. Fan assembly; 21. Fan blade; 22. Drive component; 221. Drive unit; 222. Output shaft; 23. Fixing component; 24. Sealing component; 3. Steam assembly; 31. Steam generating assembly; 311. Water pump; 312. Water valve; 313. Steam generator; 32. Steam outlet pipe; 33. Nozzle; 331. Nozzle; 34. Water tank; 35. Piping; 4. Heating component. Detailed Implementation

[0033] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0034] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on the other component or there may be an intermediate component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there may be an intermediate component present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application's specification are for illustrative purposes only and do not represent the only possible implementation.

[0035] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0036] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0037] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and / or" as used in this application includes any and all combinations of one or more of the associated listed items.

[0038] In some cooking appliances such as steam ovens, a steam generator is used as an auxiliary heating element. This generator sprays high-temperature steam onto food to force out internal oils, achieving healthy cooking methods like defatting baking and steaming. It can also be used in humidified baking functions to prevent the surface of baked food from becoming too dry, dehydrated, or even partially carbonized, affecting the taste. Others use a steam generator as the primary heating element instead of a heating plate, allowing more space within the appliance to accommodate the lower heating element and ensuring even browning during baking. However, when the steam from the steam generator enters the cooking cavity, its temperature drops sharply, resulting in unpredictable steam flow and uneven steam distribution. This uneven heating can lead to localized overcooking, negatively impacting the cooking results.

[0039] To solve the above problems, such as Figures 1 to 6 As shown, this utility model provides a cooking device to improve the uniformity of steam in the cooking cavity.

[0040] like Figures 1 to 3As shown, specifically, the cooking equipment includes an inner pot 1, a fan assembly 2, and a steam assembly 3, wherein: the inner pot 1 has a cooking cavity 11 and a guide cavity 12 communicating with the cooking cavity 11; the fan assembly 2 includes a fan blade 21 and a drive component 22, the fan blade 21 is disposed in the guide cavity 12, the drive component 22 includes a drive part 221 and a hollow output shaft 222, the drive part 221 is disposed on the outer wall of the inner pot 1, one end of the output shaft 222 is connected to the drive part 221, and the other end extends into the guide cavity 12 and is connected to the fan blade 21, the drive component 22 is used to drive the fan blade 21 to rotate relative to the inner pot 1 around the axis of the output shaft 222; the steam assembly 3 includes a steam generating assembly 31 and a steam outlet pipe 32, the steam generating assembly 31 is disposed on the outer wall of the inner pot 1, the steam outlet pipe 32 passes through the output shaft 222, and both ends of the steam outlet pipe 32 are respectively connected to the steam generating assembly 31 and the guide cavity 12.

[0041] In the cooking device provided by this embodiment, the high-temperature steam generated by the steam generating component 31 can be sprayed through the exhaust pipe 32 to the center of the fan blade 21 in the air guide cavity 12. At the same time, the drive unit 221 drives the output shaft 222 to rotate the fan blade 21 around the axis of the output shaft 222. The high-speed rotation of the fan blade 21 generates negative pressure, which can draw the air in the cooking cavity 11 into the air guide cavity 12 and mix it with the high-temperature steam at the center of the fan blade 21. Then, it is evenly dispersed to the surroundings along the rotation direction of the fan blade 21 and discharged into the cooking cavity 11 to form a circulating airflow. The exhaust pipe 32 sprays the high-temperature steam towards the center of the fan blade 21, so that the high-temperature steam can undergo uniform heat circulation with the air in the cooking cavity 11, thereby improving the uniformity of the steam in the cooking cavity 11, effectively avoiding uneven heating of food, and improving the cooking effect. Furthermore, the steam is in constant contact with the fan blade 21 during the cooking process, making it difficult for cooking oil stains to adhere to the fan blade 21, thus avoiding cleaning dead corners on the fan blade 21.

[0042] When the drive unit 221 drives the output shaft 222 to rotate the fan blade 21, the exhaust pipe 32 remains stationary inside the hollow output shaft 222. That is, the fan blade 21 and the output shaft 222 can rotate relative to the exhaust pipe 32 to ensure that the exhaust pipe 32 can be stably connected to the steam generating assembly 31.

[0043] like Figures 1 to 2 As shown, the air guide cavity 12 is located on the rear side of the cooking cavity 11, and the fan assembly 2 is located on the rear wall of the inner pot 1. Of course, the air guide cavity 12 can also be located on both sides of the cooking cavity 11, and the fan assembly 2 can be located on both side walls of the inner pot 1, as needed. This embodiment of the present invention does not impose specific limitations here.

[0044] like Figures 3 to 5As shown, the steam assembly 3 also includes a nozzle 33, one end of which is connected to the air guide chamber 12 via the nozzle 33. The nozzle 33 has multiple nozzles 331, which are arranged at intervals along the circumference of the nozzle 33. This allows the steam in the steam outlet 32 ​​to be evenly sprayed to the surroundings through the nozzles 331, thereby improving the uniformity of the steam discharged from the air guide chamber 12 to the cooking chamber 11.

[0045] like Figures 3 to 4 As shown, in one embodiment, the nozzle 33 is fixedly connected to the side of the fan blade 21 facing the cooking chamber 11. The nozzle 33 rotates together with the fan blade 21, allowing the steam ejected from each nozzle 331 to diffuse more evenly in all directions, further improving the uniformity of the steam discharged from the air guide chamber 12 into the cooking chamber 11. The nozzle 33 is rotatable relative to the exhaust pipe 32, with one end of the exhaust pipe 32 connected to the air guide chamber 12 extending toward the nozzle 33, allowing the steam ejected from the exhaust pipe 32 to enter the nozzle 33 and be ejected through the nozzle 331 to the air guide chamber 12.

[0046] like Figures 3 to 5 As shown in the illustrated embodiment, the fan assembly 2 also includes a fixing member 23. The fan blade 21 and the output shaft 222 are fixedly connected via the fixing member 23, and the nozzle 33 is integrally formed with the fixing member 23. The fixing member 23 can be a hollow nut, screw, or other fixing structure, allowing steam ejected from the outlet pipe 32 to enter the nozzle 33 through the hollow fixing member 23. When assembling the fan assembly 2, the end of the output shaft 222 away from the drive unit 221 is passed through the fan blade 21 and fixedly connected to the fixing member 23, enabling the output shaft 222 to drive the fan blade 21, the fixing member 23, and the nozzle 33 to rotate together. Thus, the nozzle 33 and the fixing member 23 are integrally formed, ensuring that while the fan blade 21 and the output shaft 222 are fixedly connected via the fixing member 23, the nozzle 33 is also fixedly connected to the fan blade 21. Furthermore, the nozzle 33 does not interfere with the normal fixing of the fan blade 21 and the output shaft 222, thereby simplifying production and assembly steps and ensuring the stability and reliability of the connection between the nozzle 33 and the fan blade 21.

[0047] In another embodiment, the nozzle 33 and the fixing member 23 can also be separate structures and fixedly connected by fasteners such as screws and bolts; or, the nozzle 33 and the fixing member 23 can be separately connected to the fan blade 21. For example, the nozzle 33 can be fixedly connected to the fan blade 21 by fasteners such as screws and bolts, and the fixing member 23 can be used to fix the fan blade 21 to the output shaft 222. Of course, in other embodiments, the nozzle 33 can also be fixedly connected to and communicate with the end of the air outlet pipe 32 that communicates with the air guide cavity 12, that is, the fan blade 21 and the output shaft 222 can rotate relative to the air outlet pipe 32 and the nozzle 33.

[0048] like Figure 3 and Figure 6 As shown, the cooking equipment also includes a ring-shaped heating element 4, which is located inside the air guide cavity 12 and on the outer periphery of the fan blade 21. The heating element 4 can reheat the steam that is dispersed in the direction of rotation of the fan blade 21, so that the steam discharged from the air guide cavity 12 into the cooking cavity 11 has a higher temperature. The high-temperature steam can force out the oil inside the food, realizing healthy cooking methods such as defatting baking and defatting steaming. In addition, the high-temperature steam after secondary heating has strong heat penetration, so that the temperature difference between the surface and the inside of the food is not too large, avoiding affecting the taste of the food. The high-temperature steam after secondary heating can also better resist the condensation phenomenon after pre-cooling, preventing condensation from forming on the inner wall of the cooking cavity 11 or on the food, thus improving the cooking effect.

[0049] like Figure 3 and Figure 5 As shown, the inner liner 1 has a clearance hole 13 on its wall that communicates with the air guide cavity 12. The end of the output shaft 222 away from the drive unit 221 extends into the air guide cavity 12 through the clearance hole 13. The fan assembly 2 also includes a seal 24, which is disposed between the drive unit 221 and the outer wall of the inner liner 1 and is sleeved on the outer periphery of the output shaft 222. The seal 24 can prevent the high-temperature steam in the air guide cavity 12 from being discharged through the clearance hole 13 and affecting the amount of steam discharged into the cooking cavity 11, and will not affect the normal rotation of the output shaft 222.

[0050] like Figure 1 As shown, in one embodiment, the steam generating assembly 31 includes a water pump 311, a water valve 312, and a steam generator 313 connected in sequence. The steam assembly 313 also includes a water tank 34. The inlet of the water pump 311 is connected to the water tank 34, and the outlet of the steam generator 313 is connected to the outlet pipe 32. Specifically, the inlet of the water pump 311 is connected to the water tank 34 through a pipe 35, the outlet of the water pump 311 is connected to the inlet of the water valve 312 through a pipe 35, the outlet of the water valve 312 is connected to the inlet of the steam generator 313 through a pipe 35, and the outlet of the steam generator 313 is connected to the end of the outlet pipe 32 away from the air guide chamber 12 through a pipe 35. When the steam generating assembly is working, the water valve 312 is opened, and the water pump 311 pumps water from the water tank 34 into the steam generator 313. The steam generator 313 generates steam and sprays it into the air guide cavity 12 through the steam outlet pipe 32 and the nozzle 33. Of course, in other embodiments, the steam assembly 3 may not have a separate water tank 34. The water inlet of the water pump 311 can be connected to other water storage tanks in the cooking equipment or an external water source through the pipe 35 to supply water to the steam generating assembly 31.

[0051] like Figure 1As shown, since the top or bottom of the inner liner 1 is usually equipped with other structures such as an exhaust assembly, the steam generating assembly 31 and the water tank 34 can be located on the top or bottom wall of the inner liner 1, utilizing the existing space inside the cooking equipment and avoiding increasing the overall volume of the cooking equipment. Of course, the steam generating assembly 31 and the water tank 34 can also be located on the side walls or rear wall of the inner liner 1 as needed; this embodiment of the present invention does not impose specific limitations here.

[0052] like Figure 5 As shown, in one embodiment, the drive unit 221 is configured as a drive motor. The drive motor has a simple structure, low cost, and occupies little space in the cooking equipment. Of course, in other embodiments, the drive unit 221 can also be configured as a gearbox, hydraulic motor, mechanical transmission assembly, or other drive elements capable of driving the output shaft 222 and the fan blades 21 to rotate around the axis of the output shaft 222. This embodiment of the present invention does not impose specific limitations here.

[0053] Furthermore, the cooking equipment also includes a controller (not shown), which is electrically connected to the drive unit 22 and the steam generating assembly 31. Specifically, the controller can control the operation of the fan assembly 2 and the steam assembly 3 according to a preset cooking program during the cooking process, so as to heat the food in the cooking chamber 11 with steam and realize the steam cooking function of the cooking equipment; the controller can also control the operation of the fan assembly 2 and the steam assembly 3 according to a preset cleaning program when the fan blades 21 need to be cleaned, so as to clean the fan blades 21 with steam and realize the self-cleaning function of the fan blades 21 of the cooking equipment.

[0054] The cooking equipment can be a steam oven, steam oven, or other equipment that requires steam cooking; this embodiment of the present invention does not impose any specific limitations.

[0055] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0056] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the scope of protection of this application. Therefore, the patent protection scope of this application should be determined by the appended claims.

Claims

1. A cooking apparatus, characterized by, The cooking device comprises: a liner (1) having a cooking cavity (11) and an air guide cavity (12) in communication with the cooking cavity (11); a fan assembly (2) comprising a fan blade (21) arranged in the air guide cavity (12) and a driving member (22) comprising a driving portion (221) arranged on an outer wall of the liner (1) and a hollow output shaft (222) having one end connected with the driving portion (221) and the other end extending into the air guide cavity (12) and connected with the fan blade (21), the driving member (22) being used to drive the fan blade (21) to rotate around an axis of the output shaft (222) relative to the liner (1); and a steam assembly (3) comprising a steam generating assembly (31) arranged on the outer wall of the liner (1) and an air outlet pipe (32) arranged in the output shaft (222), the air outlet pipe (32) having two ends in communication with the steam generating assembly (31) and the air guide cavity (12) respectively.

2. The cooking apparatus according to claim 1, characterized in that, The steam assembly (3) further comprises a nozzle (33), one end of the air outlet pipe (32) being in communication with the air guide cavity (12) through the nozzle (33). The nozzle (33) is provided with a plurality of nozzle openings (331) arranged at intervals along a circumferential direction of the nozzle (33).

3. The cooking apparatus according to claim 2, characterized in that, The nozzle (33) is fixedly connected with one side of the fan blade (21) facing the cooking cavity (11).

4. The cooking apparatus according to claim 3, characterized in that, The fan assembly (2) further comprises a fixing member (23), the fan blade (21) and the output shaft (222) being fixedly connected through the fixing member (23), and the nozzle (33) being integrally arranged with the fixing member (23).

5. The cooking apparatus according to claim 1, wherein The cooking device further comprises an annular heating member (4) arranged in the air guide cavity (12) and located outside a periphery of the fan blade (21).

6. The cooking apparatus according to claim 1, wherein An avoiding hole (13) in communication with the air guide cavity (12) is arranged on a wall of the liner (1), and one end of the output shaft (222) away from the driving portion (221) extends into the air guide cavity (12) through the avoiding hole (13). The fan assembly (2) further comprises a sealing member (24) arranged between the driving portion (221) and the outer wall of the liner (1) and sleeved on an outer periphery of the output shaft (222).

7. The cooking apparatus according to claim 1, wherein The steam generating assembly (31) comprises a water pump (311), a water valve (312) and a steam generator (313) in sequence, a water inlet of the water pump (311) being used to communicate with a water source, and an air outlet of the steam generator (313) being in communication with the air outlet pipe (32).

8. The cooking apparatus according to claim 7, characterized in that, The steam assembly (3) further comprises a water tank (34), and the water inlet of the water pump (311) is in communication with the water tank (34).

9. The cooking apparatus according to claim 1, wherein, The driving portion (221) is a driving motor.

10. The cooking apparatus according to any one of claims 1 to 9, characterized in that, The cooking device further comprises a controller electrically connected with the driving member (22) and the steam generating assembly (31).

Images