Cooking apparatus

By incorporating air ducts and guide elements into the door assembly of the cooking appliance to form an air guiding structure, the air in the drawer assembly is directed to the air duct for exhaust, thus solving the problem of excessive temperature rise in the drawer assembly and improving safety and ease of use.

CN116849507BActive Publication Date: 2026-05-01GUANGDONG MIDEA KITCHEN APPLIANCES MFG CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
GUANGDONG MIDEA KITCHEN APPLIANCES MFG CO LTD
Filing Date
2023-07-07
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

In existing cooking appliances, the drawer components can overheat, posing a safety hazard of scalding users. This is especially true in cooking appliances with drawer components, where heat can easily cause the drawer components to overheat, affecting safety during use.

Method used

An air duct, air inlet, and air outlet are installed in the door assembly of the cooking appliance, and a guide component is installed in the air duct to form an air guiding structure. This guides the air in the accommodating cavity of the drawer assembly into the air duct and discharges it through the exhaust assembly, thereby reducing heat loss and lowering the temperature rise of the drawer assembly.

Benefits of technology

It effectively improves the air exhaust efficiency of the drawer assembly, reduces temperature rise, enhances safety, reduces the risk of burns, and lowers the possibility of bottom plate fire.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a cooking device, comprising a cavity assembly, a door assembly, a drawer assembly and an exhaust assembly, the door assembly comprises a door body and a flow guide, the door body is rotationally connected to the cavity assembly, the door body is provided with an air duct, an air inlet and an air outlet which are communicated with the air duct, and the flow guide is arranged in the air duct; the drawer assembly is movably connected to the cavity assembly and has a gap between the drawer assembly and the door body, at least a part of the flow guide extends from the air inlet to the gap to form a wind guide structure between the air inlet and the accommodation cavity, so that the air in the accommodation cavity is guided to the air duct, when the exhaust assembly exhausts the air in the air duct, the air in the accommodation cavity can enter the air duct through the flow guide of the flow guide and be exhausted by the exhaust assembly, so that the heat is taken away, the flow guide of the flow guide can reduce the amount of air escaping from the gap between the drawer assembly and the door body, effectively improve the air exhaust efficiency in the accommodation cavity, effectively reduce the temperature rise of the drawer assembly, and improve the safety.
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Description

Cooking equipment Technical Field

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

[0002] Some cooking appliances, such as ovens, use heating elements located inside the cooking cavity to heat food at high temperatures. During heating, the heat generated by these elements, like heating tubes, can affect other components of the appliance. For example, heat from the cooking cavity can transfer to the door assembly, potentially causing burns due to overheating. Related technologies address this by creating a cooling duct inside the door assembly, separating the inner and outer sides, and introducing air to carry away the hot air, thus effectively reducing the door assembly's temperature rise. However, in some cooking appliances with drawers, the heat from the cooking cavity can also cause the drawer assembly to overheat, making it difficult to use and potentially leading to burns, posing a significant safety hazard. Summary of the Invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a cooking device that can effectively reduce the temperature rise of drawer assemblies.

[0004] A cooking apparatus according to an embodiment of the present invention includes a cavity assembly, a door assembly, a drawer assembly, and an exhaust assembly. The cavity assembly has a cooking cavity. The door assembly includes a door body and a guide member. The door body is rotatably connected to the cavity assembly for closing the cooking cavity. The door body has an air duct and an air inlet and an air outlet communicating with the air duct. The guide member is disposed within the air duct. The drawer assembly is movably connected to the cavity assembly and has a gap between it and the door body. The drawer assembly has a receiving cavity communicating with the gap. The exhaust assembly is connected to the cavity assembly for exhausting air into the air duct. The air inlet is located near the end of the door body relative to the gap, and at least a portion of the guide member extends from the air inlet into the gap to form an air guiding structure between the air inlet and the receiving cavity.

[0005] The cooking apparatus according to embodiments of the present invention has at least the following beneficial effects: the air guide member forms an air guide structure between the air inlet and the accommodating cavity, which can guide the air in the accommodating cavity into the air duct. When the exhaust assembly exhausts air into the air duct, the air in the accommodating cavity can enter the air duct from the air inlet through the air guide member and be discharged by the exhaust assembly, thereby taking away heat. The air guide member can reduce the amount of air escaping outward from the gap between the drawer assembly and the door, effectively improve the air exhaust efficiency in the accommodating cavity, effectively reduce the temperature rise of the drawer assembly, and thus improve safety.

[0006] According to some embodiments of the present invention, the air duct has opposing first inner walls and second inner walls, the first inner wall being located on the side of the second inner wall facing the cooking cavity, the air guide having an interconnected first air guide surface and second air guide surface, the second air guide surface being located in the air duct, and at least a portion of the first air guide surface extending out of the air inlet and inclined toward the side where the first inner wall is located.

[0007] According to some embodiments of the present invention, the air guide includes a first air guide plate and a second air guide plate connected to each other. The second air guide plate is located in the air duct. The side of the second air guide plate facing the first inner wall forms a second air guide surface. At least a portion of the first air guide plate extends into the gap and is inclined toward the side where the first inner wall is located. The side of the first air guide plate facing the first inner wall forms the first air guide surface.

[0008] According to some embodiments of the present invention, the distance between the second air guide surface and the first inner wall is L1, and the distance between the second inner wall and the first inner wall is L2, wherein L1 < L2.

[0009] According to some embodiments of the present invention, the second air guide surface includes a flat portion and an arcuate portion, wherein the arcuate portion is connected between the flat portion and the first air guide surface.

[0010] According to some embodiments of the present invention, the air guide further includes a third air guide plate, which is located inside the air duct and connected to the side of the second air guide plate away from the first air guide plate. The end of the third air guide plate away from the second air guide plate is attached to the second inner wall.

[0011] According to some embodiments of the present invention, the third air guide plate is configured as an elastic structure, and the third air guide plate abuts against the second inner wall.

[0012] According to some embodiments of the present invention, the first air guide plate and / or the second air guide plate are configured as elastic structures.

[0013] According to some embodiments of the present invention, the door body is provided with a first connecting portion, and the air guide further includes a second connecting portion, the second connecting portion being connected to the first air guide plate or the second air guide plate, and the first connecting portion being connected to the second connecting portion.

[0014] According to some embodiments of the present invention, the door body is provided with a first connecting portion, the first connecting portion is provided at the air inlet and is bent toward the air duct, a portion of the first air guide plate is bent toward the air duct to form a second connecting portion, and the first connecting portion and the second connecting portion are connected to each other.

[0015] According to some embodiments of the present invention, the end of the air guide away from the air duct has a gap with the drawer assembly.

[0016] According to some embodiments of the present invention, the door body has a set width, and along the width direction of the door body, the width of the air duct is W1, the width of the air inlet is W2, and the width of the air guide is W3, wherein W1≥W2≥W3.

[0017] According to some embodiments of the present invention, the cooking device has a set vertical direction and a front-back direction, wherein the drawer assembly is disposed below the cavity assembly and is movable in the front-back direction, the door is connected to the front-facing side of the cavity assembly, the door is located above the drawer assembly, and the air inlet is disposed at the lower end of the door.

[0018] According to some embodiments of the present invention, the exhaust assembly includes an air guide shroud and a fan. The air guide shroud is connected to the cavity assembly. The air guide shroud has a channel and an inlet and an outlet communicating with the channel. The inlet communicates with the air outlet. The fan is connected to the air guide shroud at the outlet for exhausting air into the channel through the outlet.

[0019] According to some embodiments of the present invention, the drawer assembly includes a drawer body and a drawer panel, the drawer body being movably connected to the cavity assembly, the drawer body forming the receiving cavity with an opening on one side, and the drawer panel being connected to one side of the drawer body; the drawer panel is located on one side of the door and is spaced apart from the door to form the gap, and the opening communicates with the gap.

[0020] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0022] Figure 1 is a schematic diagram of the structure of a cooking device according to an embodiment of the present invention;

[0023] Figure 2 is a partial structural schematic diagram of the cooking device shown in Figure 1;

[0024] Figure 3 is a cross-sectional view of the cooking apparatus according to an embodiment of the present invention;

[0025] Figure 4 is a magnified view of part A in Figure 3;

[0026] Figure 5 is a cross-sectional view of the door assembly in the cooking device according to an embodiment of the present invention;

[0027] Figure 6 is a magnified view of part B in Figure 5;

[0028] Figure 7 is a partial schematic diagram of the flow guide in the cooking device according to an embodiment of the present invention;

[0029] Figure 8 is a schematic diagram of another structure different from Figure 6;

[0030] Figure 9 is a magnified view of part C in Figure 4;

[0031] Figure 10 is a partial structural schematic diagram of the door assembly in the cooking device according to an embodiment of the present invention;

[0032] Figure 11 is a magnified view of part D in Figure 10;

[0033] Figure 12 is a schematic diagram of the door assembly in the cooking device according to an embodiment of the present invention from another perspective.

[0034] Figure label:

[0035] Cavity assembly 100, cavity 101, heating assembly 102;

[0036] Door assembly 200, door body 201, air guide 202, air duct 204, air inlet 205, air outlet 206, first inner wall 207, second inner wall 208, inner door frame 209, outer door frame 210, first air guide surface 211, second air guide surface 212, flat part 213, curved part 214, first air guide plate 215, second air guide plate 216, third air guide plate 217, first connecting part 218, notch 219, second connecting part 220;

[0037] Drawer assembly 300, receiving cavity 301, drawer body 302, drawer panel 303, gap 304, internal gap 304a, external gap 304b, opening 305, handle 306, slit 307, through hole 308, card plate 309.

[0038] Exhaust assembly 400, air guide shroud 401, fan 402, inlet 403, outlet 404, passage 405. Detailed Implementation

[0039] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0040] In the description of this invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0041] In the description of this invention, "several" means one or more, "more than" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0042] In the description of this invention, unless otherwise explicitly defined, terms such as "set up," "install," and "connect" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this invention in conjunction with the specific content of the technical solution.

[0043] This invention provides a cooking device, which can be an oven, steam oven, or grill, or other cooking device with steaming and baking functions. The door assembly includes an air duct, an air inlet, and an air outlet. A guide component is installed within the air duct, forming an air guiding structure between the air inlet and the drawer assembly's receiving cavity. This structure guides air between the cavity assembly and the drawer assembly to the air inlet during exhaust, allowing it to be discharged through the air duct and outlet. This effectively reduces the temperature rise of the drawer assembly and improves safety. The following detailed description of the embodiments of this invention is provided in conjunction with the accompanying drawings:

[0044] This application provides a cooking device. Referring to Figures 1 and 2, the cooking device includes a cavity assembly 100, a door assembly 200, a drawer assembly 300, and a venting assembly 400. For ease of illustration, part of the outer shell of the cavity assembly 100 is omitted in Figure 2. The cavity assembly 100 has a cooking cavity inside for containing food to be cooked, and the food can be heated and cooked inside the cooking cavity. The door assembly 200 includes a door body 201, which is rotatably connected to the cavity assembly 100 for closing the cooking cavity. During cooking, the cooking cavity can be closed by the door body 201 to prevent heat loss from the cooking cavity.

[0045] Referring to Figure 3, for ease of illustration of the relevant structures, the cavity 101 in the cavity assembly 100 shown in Figure 2 has been omitted in Figure 3. The door 201 is provided with an air duct 204, an air inlet 205 and an air outlet 206. The air inlet 205 and the air outlet 206 are connected to the air duct 204. The exhaust assembly 400 is connected to the cavity assembly 100 and is used to exhaust air from the air duct 204. The air in the air duct 204 can be discharged through the exhaust assembly 400.

[0046] Referring to Figures 3 and 4, the drawer assembly 300 is movably connected to the cavity assembly 100 and has a gap 304 between it and the door 201. The drawer assembly 300 has a receiving cavity 301, which communicates with the gap 304. The door assembly 200 also includes a guide member 202. The air inlet 205 of the door 201 is located near the end of the door 201 relative to the gap 304. The guide member 202 is disposed within the air duct 204, and at least a portion of the guide member 202 extends from the air inlet 205 into the gap 304. The portion of the guide member 202 extending into the gap 304 between the door 201 and the drawer assembly 300 can form an air guiding structure between the air inlet 205 and the receiving cavity 301, thereby guiding the air in the receiving cavity 301 into the air duct 204. When the exhaust assembly 400 exhausts air into the air duct 204, the air in the accommodating cavity 301 can be guided by the guide member 202 and enter the air duct 204 through the air inlet 205, and then be discharged by the exhaust assembly 400, thereby carrying away heat and effectively reducing the temperature rise of the drawer assembly 300.

[0047] It is understood that, referring to Figures 2 and 3, the cavity assembly 100 of the cooking device in this embodiment includes a cavity 101 and a heating assembly 102. The cooking cavity is disposed inside the cavity 101, and the heating assembly 102 is disposed inside the cooking cavity or at the bottom of the cavity 101 for heating and cooking food placed inside the cooking cavity. The door 201 is rotatably connected to the cavity 101 to open or close the cooking cavity. In use, with the cooking cavity open in the door 201, food is placed into the cooking cavity, and then the door 201 is closed. The food in the cooking cavity is heated by the heating element 102. Referring to Figures 3 and 4, with the cooking cavity closed in the door 201, the air inlet 205 of the door 201 is located near the end of the gap 304 between the door 201 and the drawer assembly 300. For example, the air inlet 205 may face the gap 304. At least a portion of the guide member 202 extends from the air inlet 205 into the gap 304 to form an air guide structure between the air inlet 205 and the accommodating cavity 301, so that the exhaust assembly 400 exhausts air into the air duct 204 through the air outlet 206. Air within the accommodating cavity 301 can be guided by the air guide 202 and enter the air duct 204 through the air inlet 205, and then discharged by the exhaust assembly 400, thereby carrying away heat and effectively reducing the temperature rise of the drawer assembly 300. Therefore, during the heating process of the heating element 102 heating the cooking cavity, the hot air generated by heat transfer from the cavity assembly 100 within the accommodating cavity 301 can be discharged. Some hot air also exists in the space between the drawer assembly 300 and the cavity assembly 100. When the exhaust assembly 400 exhausts air, the hot air between the drawer assembly 300 and the cavity assembly 100 also enters the air inlet 205 and the air duct 204 with the airflow. The guiding effect of the air guide 202 can reduce the amount of hot air in the accommodating cavity 301 and between the drawer assembly 300 and the cavity assembly 100 that escapes outward from the gap 304 between the drawer assembly 300 and the door 201, effectively improving exhaust efficiency and facilitating the use of the drawer assembly 300.

[0048] Referring to Figures 1 to 4, it should be noted that the drawer assembly 300 typically has an exposed portion for easy hand-held pushing and pulling. If this hand-held portion heats up excessively, it will affect the use of the drawer assembly 300 and may even cause burns. In the cooking apparatus of this embodiment, the guide member 202 can block the hot air in the accommodating cavity 301 within the gap 304 between the drawer assembly 300 and the door 201. This effectively prevents the hot air in the accommodating cavity 301 from radiating heat outward through the gap 304, and reduces the temperature rise of the external structure of the drawer assembly 300, thereby facilitating use and reducing the risk of burns.

[0049] In addition, referring to Figures 3 and 4, cooking devices are often placed on flammable base plates, such as wooden base plates. The heating element 102 and drawer assembly 300 are usually located below the cooking cavity, at the bottom of the cooking device. Therefore, excessive temperature rise at the bottom will also pose a risk of fire to the base plate. The cooking device of the present invention can improve the efficiency of hot air exhaust in the drawer assembly 300 receiving cavity 301, thereby facilitating the use of the drawer and reducing the risk of burns and fire.

[0050] Referring to Figures 5 and 6, in some embodiments, the air duct 204 has a first inner wall 207 and a second inner wall 208, which are arranged opposite to each other. The first inner wall 207 is located on the side of the second inner wall 208 facing the cooking cavity. When the gas flows through the air duct 204, it can also carry away some of the heat from the first inner wall 207 and the second inner wall 208, reducing the heat radiated from the first inner wall 207 to the second inner wall 208. This prevents the temperature of the door 201 away from the cooking cavity from rising too high, effectively reducing the risk of the user being burned by the door 201.

[0051] Specifically, referring to Figures 5 and 6, the door 201 may include an inner door frame 209 and an outer door frame 210. When the cooking cavity is closed, the inner door frame 209 is located between the outer door frame 210 and the cavity assembly 100. An air duct 204 is formed between the inner door frame 209 and the outer door frame 210. That is, the inner door frame 209 and the outer door frame 210 are arranged opposite each other. The side of the inner door frame 209 facing the outer door frame 210 has a first inner wall 207, and the side of the outer door frame 210 facing the inner door frame 209 has a second inner wall 208. The air duct 204 is formed between the first inner wall 207 and the second inner wall 208. An air inlet 205 is located on the side of the outer door frame 210 or the inner door frame 209 facing the drawer assembly 300, or an air inlet 205 is defined between one end of the inner door frame 209 and the outer door frame 210. The air outlet 206 is located on the inner door frame 209 or the outer door frame 210, or the air outlet 206 is defined between the other ends of the inner door frame 209 and the outer door frame 210. When the gas flows through the air duct 204, it can also carry away some of the heat from the first inner wall 207 and the second inner wall 208, thereby reducing the heat radiated from the inner door frame 209 to the outer door frame 210 and preventing the temperature rise of the outer door frame 210 from being too high.

[0052] Referring to Figures 4, 6, and 7, the air guide 202 can be connected to the inner door frame 209 or the outer door frame 210. In some embodiments, the air guide 202 has a first air guide surface 211 and a second air guide surface 212 connected to each other. The second air guide surface 212 is located within the air duct 204 and defines an air guide channel with the first inner wall 207 of the air duct 204. At least a portion of the first air guide surface 211 extends out of the air inlet 205 and is inclined toward the side where the first inner wall 207 is located. With the cooking cavity closed by the door 201, the inclined first air guide surface 211 extends toward the receiving cavity 301 of the drawer assembly 300, thereby forming an air guide structure between the air inlet 205 and the receiving cavity 301. Under the exhaust of the exhaust assembly 400, the hot air between the drawer assembly 300 and the cavity assembly 100 and inside the receiving cavity 301 can be guided by the first air guide surface 211 to the air inlet 205 and discharged through the air guide channel, air duct 204 and air outlet 206.

[0053] Referring to Figures 2 and 3, it can be understood that the receiving cavity 301 of the drawer assembly 300 typically has an opening 305 at its top to facilitate the retrieval of items within the receiving cavity 301. Specifically, the drawer assembly 300 may include a drawer body 302 and a drawer panel 303. The drawer body 302 is movably connected to the cavity assembly 100, and the drawer body 302 forms a receiving cavity 301 with an opening 305 on one side. For example, the drawer body 302 includes a bottom wall and a side wall, with the side wall connected to one side of the bottom wall. The side wall and the bottom wall together form a receiving cavity 301 with an opening 305 on one side. After the drawer body 302 is connected to the cavity assembly 100, the opening 305 faces the cooking cavity of the cavity 101. The drawer panel 303 is connected to one side of the drawer body 302. With the cooking cavity closed by the door assembly 200, the drawer panel 303 is located on the side of the door 201 where the air inlet 205 is located. A gap 304 exists between the drawer panel 303 and the door 201, and the opening 305 communicates with this gap 304. For example, referring to Figures 3 and 4, the drawer assembly 300 is located below the cavity assembly 100, the drawer panel 303 is located below the door 201 and forms a gap 304 with the door 201, and the air inlet 205 is located at the downward-facing end of the door 201. In this embodiment, the first air guide surface 211 is inclined and extends towards the accommodating cavity 301, allowing it to approach the opening 305 of the accommodating cavity 301. This enables efficient airflow between the drawer assembly 300 and the cavity assembly 100, as well as inside the accommodating cavity 301, reducing interference from air in other locations (e.g., outside air). The tilt angle of the first air guide surface 211 or the length extending beyond the air inlet 205 can be reasonably configured according to the specific location of the accommodating cavity 301 and the specific location between the door body 201 and the drawer assembly 300.

[0054] Referring to Figures 3 and 4, in some embodiments, the drawer panel 303 is provided with a handle 306. The handle 306 is located on the side of the guide member 202 away from the receiving cavity 301. The guide member 202 can block the hot air in the receiving cavity 301 in the gap 304 between the drawer panel 303 and the door 201, effectively preventing the heat radiated outward by the hot air in the receiving cavity 301 through the gap 304, and reducing the temperature rise of the handle 306, thereby facilitating use and reducing the risk of burns. The handle 306 can be provided in the gap 304 formed by the drawer panel 303 and the door 201. The handle 306 can be a structure recessed from the surface of the drawer panel 303 towards the door 201, thereby reducing space occupation and avoiding exposure on the outer surface of the cooking device, thus having a certain aesthetic appeal.

[0055] Referring to Figures 2 and 3, as an optional embodiment, the components and parts in the cooking device can be arranged as follows: The cooking device has a set vertical and horizontal direction, wherein the cooking cavity has a forward-facing opening for easy access to food during use. A door 201 is rotatably connected to the front-facing side of the cavity assembly 100 via a pivot or other means, which can be the left, right, upper, or lower side, for opening or closing the opening of the cooking cavity. Different opening methods can be formed by connecting the door 201 to different positions on the cavity assembly 100. An air duct 204 extends vertically within the door 201, with an air inlet 205 located at the lower end of the door 201 and an air outlet 206 located at the upper end of the door 201. A drawer assembly 300 is installed below the cavity assembly 100 and can move horizontally. A gap 304 exists between the drawer assembly 300 and the door 201 in the vertical direction, and one end of a guide member 202 extends from the air inlet 205 to the lower part of the door 201. The exhaust assembly 400 is installed above the cavity assembly 100 and connects to the air outlet 206, thereby allowing air from the drawer assembly 300 located below the cavity assembly 100 to be discharged upwards through the air duct 204. Thus, when the exhaust assembly 400 is operating, air from the receiving cavity 301 is discharged upwards through the air duct 204, and air heated by heat transfer from the door 201 within the air duct 204 is also discharged, effectively reducing the temperature rise of the door 201 and the drawer assembly 300.

[0056] The guide element 202 in this embodiment can adopt various structures. In some embodiments, referring to Figures 4 and 6, the distance between the second air guiding surface 212 and the first inner wall 207 of the guide element 202 is L1, and the distance between the second inner wall 208 and the first inner wall 207 is L2, where L1 < L2. That is, the air guiding channel defined between the second air guiding surface 212 and the first inner wall 207 is narrower than the air duct 204, thereby forming a constriction structure at the air inlet 205. It can be understood that in the gas flow path, the constriction structure can increase the gas flow rate. Therefore, the constriction structure formed by the air guiding channel at the air inlet 205 can help to form a negative pressure at the air inlet 205, thereby guiding the hot air in the accommodating cavity 301 to the air inlet 205. Furthermore, the blocking and guiding effect of the first air guide surface 211 can effectively prevent the hot air inside the accommodating cavity 301 from diffusing to the outside, thereby improving the exhaust efficiency of the hot air in the accommodating cavity 301 and effectively reducing the temperature rise of the drawer assembly 300.

[0057] In some embodiments, referring to Figures 6 and 7, the second air guide surface 212 includes a flat portion 213 and an arcuate portion 214. The flat portion 213 forms the aforementioned air guide channel with the first inner wall 207. The flat portion 213 may be parallel to the first inner wall 207, thereby defining an air guide channel of uniform width between the flat portion 213 and the first inner wall 207. The arcuate portion 214 connects the flat portion 213 and the first air guide surface 211. The concave surface of the arcuate portion 214 faces the first inner wall 207. When the airflow flows into the second air guide surface through the guidance of the first air guide surface 211, the arcuate portion 214 can avoid forming sharp corners on the airflow path, thus affecting the smoothness and speed of the airflow and ensuring exhaust efficiency. As an alternative, the second air guide surface 212 may not have an arc-shaped surface 214, but instead use a sloping surface instead of the arc-shaped surface 214. The sloping surface is inclined from the air inlet 205 toward the second inner wall 208, which can also reduce wind resistance to a certain extent, thereby ensuring that the air entering from the first air guide surface 211 flows smoothly through the guide 202 and into the air duct 204.

[0058] Specifically, referring to Figures 6 and 7, the air guide 202 can adopt a plate-like structure. For example, the air guide 202 may include a first air guide plate 215 and a second air guide plate 216 connected to each other. The second air guide plate 216 is located within the air duct 204 and spaced apart from the first inner wall 207. The side of the second air guide plate 216 facing the first inner wall 207 forms the aforementioned second air guide surface 212. At least a portion of the first air guide plate 215 extends into the gap 304 and is inclined towards the side where the first inner wall 207 is located. The side of the first air guide plate 215 facing the first inner wall 207 forms a first air guide surface 211. The plate-like air guide 202 has the advantages of simple structure and light weight. Of course, in some alternative embodiments, the guide member 202 can also adopt other structures. For example, the guide member 202 can adopt a block structure, which is disposed in the air duct 204, and one end extends from the air inlet 205 into the gap 304 between the door body 201 and the drawer assembly 300. The block-shaped guide member 202 is provided with the first air guiding surface 211 and the second air guiding surface 212 on the side facing the first inner wall 207, which can also achieve the above-mentioned air guiding effect.

[0059] Referring to Figures 6 and 7, in the cooking apparatus of this embodiment, the guide member 202 may further include a third air guide plate 217. The third air guide plate 217 is located inside the air duct 204 and is connected to the side of the second air guide plate 216 away from the first air guide plate 215. The end of the third air guide plate 217 away from the second air guide plate 216 is attached to the second inner wall 208 of the air duct 204. Thus, the third air guide plate 217 and the second inner wall 208 can close the air inlet 205 on the side of the third air guide plate 217 away from the first inner wall 207, or there is only a small gap between the third air guide plate 217 and the second inner wall 208. Thus, the third air guide plate 217 can block the air from entering the space between the second air guide plate 216 and the second inner wall 208 from the air inlet 205, thereby ensuring that sufficient negative pressure can be formed between the first air guide surface 211 and the first inner wall 207 to drive the air in the accommodating cavity 301 into the air inlet 205.

[0060] In some embodiments, part or all of the air guide 202 is an elastic structure. For example, the third air guide plate 217 is configured as an elastic structure, and the third air guide plate 217 is inclined away from the first inner wall 207 and abuts against the second inner wall 208. This provides an elastic force that keeps it abutting against the second inner wall 208, enabling more stable air blocking and preventing or reducing air from entering the air duct 204 between the second air guide plate 216 and the second inner wall 208, thus reducing the swaying of the air guide 202. Further, the first air guide plate 215 can be configured as an elastic structure, or the second air guide plate 216 can be configured as an elastic structure, or both the first air guide plate 215 and the second air guide plate 216 can be configured as elastic structures; this increases the overall elastic deformation capacity of the air guide 202, enhances the abutment force between the third air guide plate 217 and the second inner wall 208, and reduces the swaying of the air guide 202. Among them, the elastic structure can be understood as a structure with elastic deformation capability. For example, it can be a thin plate made of metal or non-metal materials with a certain elastic deformation capability. It can reduce the overall shaking through elastic support and achieve the function of guiding flow. Moreover, the structure is simple and easy to implement.

[0061] Referring to Figure 8, in some other embodiments, the first air guiding surface 211 of the guide member 202 may not be inclined. As long as it can form a certain obstruction within the gap 304, it can prevent the hot air in the accommodating cavity 301 from escaping outward through the gap 304. Under the exhaust action of the exhaust assembly 400, the hot air in the accommodating cavity 301 can also enter the air inlet 205 and the air duct 204 with the airflow obstructed by the first air guiding surface 211, thereby effectively being discharged. For example, in some embodiments, referring to Figure 8, the air duct 204 has opposing first inner walls 207 and second inner walls 208. The air inlet 205 is located at the ends of the first inner walls 207 and second inner walls 208. The guide member 202 has a first air guiding surface 211 and a second air guiding surface 212 connected to each other. The second air guiding surface 212 is located within the air duct 204 and defines an air guiding channel with the first inner wall 207 of the air duct 204. At least a portion of the first air guiding surface 211 extends out of the air inlet 205. Specifically, the air guide 202 may include a first air guide plate 215 and a second air guide plate 216 connected to each other. The second air guide plate 216 is located inside the air duct 204 and is spaced apart from the first inner wall 207. The side of the second air guide plate 216 facing the first inner wall 207 forms the aforementioned second air guide surface 212. The first air guide plate 215 is arranged parallel to the first inner wall 207. One end of the first air guide plate 215 is connected to the second air guide plate 216, and the other end extends outward from the air inlet 205 into the gap 304. The side of the first air guide plate 215 facing the first inner wall 207 forms a first air guide surface 211.

[0062] Referring to Figure 8, the other structures of the door 201 can be referenced in Figure 5. When the air guide 202 structure shown in Figure 8 is adopted, with the cooking cavity closed, the air inlet 205 faces the gap 304 between the door 201 and the drawer assembly 300. The first air guide surface 211 is parallel to the first inner wall 207 or the second inner wall 208, and at least a portion extends from the air inlet 205 into the gap 304, forming a barrier within the gap 304, dividing the gap 304 into an inner gap 304a and an outer gap 304b. The operation of the exhaust assembly 400 causes the gas in the air duct 204 to flow towards the air outlet 206. The pressure difference inside and outside the air duct 204 causes the air corresponding to the air inlet 205 to flow into the air duct 204 through the air inlet 205. The hot air in the accommodating cavity 301 reaches the inner gap 304a and enters the air inlet 205 under the influence of the airflow, thereby realizing the discharge of hot air and reducing the temperature rise of the drawer assembly 300. Furthermore, the first air guide surface 211 can effectively reduce the amount of hot air overflowing from the accommodating cavity 301 to the external gap 304b, and can also effectively reduce the temperature rise of the external structure of the drawer assembly 300, reducing the risk of burns. The drawer assembly 300 can be provided with a handle 306 on the outside away from the accommodating cavity 301, making it convenient for users to operate the drawer assembly 300 by hand.

[0063] Referring to Figures 9 to 11, the flow guide 202 and the door 201 can be connected in various ways, for example:

[0064] The door body 201 is provided with a first connecting part 218, and the air guide 202 also includes a second connecting part 220. The second connecting part 220 is connected to the first air guide plate 215 or the second air guide plate 216, and the first connecting part 218 is connected to the second connecting part 220; or, the door body 201 is provided with a first connecting part 218, which is located at the air inlet 205 and bent toward the air duct 204. A part of the first air guide plate 215 is bent toward the air duct 204 to form the second connecting part 220. The first connecting part 218 and the second connecting part 220 are stacked and connected to each other.

[0065] The second connecting portion 220 is formed by partially bending the first air guide plate 215, eliminating the need for a separate connecting structure, thus saving parts and simplifying assembly. Furthermore, it is understood that the portion of the first air guide plate 215 used for bending to form the second connecting portion 220 is only a part of the first air guide plate 215, serving only a connecting function, without the need for extensive bending, thus having minimal impact on the air guiding and shielding functions of the first air guide plate 215.

[0066] The connection between the first connecting part 218 and the second connecting part 220 can be achieved in various ways, such as detachable connection methods like snap-fit ​​or threaded connection, or fixed connection methods like welding or riveting. Connecting the first connecting part 218 and the second connecting part 220 by bending and stacking them facilitates the connection and fixation of the air guide 202, and the connection does not affect the airflow guidance of the air guide 202 or the air intake of the air inlet 205.

[0067] As an optional embodiment, referring to Figures 3 to 6 and Figures 9 to 11, taking the door body 201 including the aforementioned inner door frame 209 and outer door frame 210 as an example, air inlets 205 are formed between the ends of the inner door frame 209 and the outer door frame 210 facing the drawer assembly 300 at intervals. A first connecting portion 218 is provided on the outer door frame 210 corresponding to the air inlet 205. This first connecting portion 218 is bent inward toward the air duct 204, and there is a gap between the first connecting portion 218 and the edge of the inner door frame 209. On the air guide 202, a second connecting portion 220 is provided on the first air guide plate 215. This second connecting portion 220 is formed by bending a portion of the first air guide plate 215 inward toward the air duct 204, and a notch 219 is formed on the first air guide plate after bending. During assembly, the first connecting part 218 is positioned within the notch 219 and the second connecting part 220 is placed against the first connecting part 218 to form a stacked structure, thereby facilitating the connection between the first connecting part 218 and the second connecting part 220. The first connecting part 218 can also support the second connecting part 220 to prevent the guide member 202 from shifting, thereby improving the stability of the guide member 202.

[0068] The notch 219 formed on the first air guide plate 215 and the handle 306 provided on the drawer assembly 300 can be staggered. For example, the second connecting part 220 is provided at the middle position of the first air guide plate 215 along the width direction of the door body 201, and the notch 219 is formed at this position. The handle 306 of the drawer assembly 300 is located on both sides of the notch 219 in the front-back direction. It can be understood that the notch 219 formed by the partial bending of the first air guide plate 215 only occupies a small part of the area of ​​the first air guide plate 215. Under the operation of the exhaust assembly and the guiding effect of the guide member 202, the amount of hot air diffused outward from the notch 219 is very small, and it has little impact on the external structure of the drawer assembly 300 or the temperature rise of the handle 306. Therefore, the positions of the notch 219 and the handle 306 in the front-back direction do not need to be staggered. Therefore, a longer handle 306 can be provided on the drawer assembly 300 in the left-right direction, so as to facilitate the user to push and pull the drawer assembly 300.

[0069] In the cooking apparatus of the above embodiments, referring to Figures 4 and 8, when the cooking chamber is closed by the door 201, there is a gap 307 between the end of the guide member 202 away from the air duct 204 and the drawer assembly 300. Specifically, referring to some of the above embodiments, there is a gap 307 between the first guide plate of the guide member 202 and the drawer panel 303. When the exhaust assembly exhausts air into the duct 204, in addition to guiding the hot air in the accommodating cavity 301 into the duct 204 for exhaust, some outside air can also enter the air guide structure formed by the guide member 202 through the gap 307, and then enter the duct 204 for exhaust. When outside air enters the duct 204, on the one hand, it can reduce the temperature of the air in the duct 204. On the other hand, when it enters the air inlet 205 through the gap 307, it can form an inward airflow at the gap 307, which can limit the outflow of hot air between the cavity assembly 100 and the drawer assembly 300 and inside the accommodating cavity 301 to a certain extent, thereby reducing the temperature rise of the external structure of the drawer assembly 300 (e.g., the handle 306) and reducing the risk of burns.

[0070] In the cooking apparatus of this application embodiment, the door 201 has a set width, as shown in Figures 10 and 12, with the width dimension defined as the left-right direction. An air duct 204 is disposed inside the door 201. Figure 10 only shows the outer door frame 210 forming the air duct 204; the air duct 204 and its width can be indicated by dashed lines on the outer door frame 210. It is understood that, to meet specific needs, the width of the air duct 204 can be maximized within a reasonable structure, thereby occupying a large portion of the interior area of ​​the door 201 in the up, down, left, and right directions. This creates a large-scale barrier within the door 201, effectively blocking heat transfer from the inside of the door 201 towards the cooking cavity to the outside. Furthermore, the heated air within the air duct 204 can be exhausted through the exhaust assembly, effectively reducing the temperature rise of the door 201.

[0071] Along the width direction of the door 201, the width of the air duct 204 is W1, the width of the air inlet 205 is W2, and the width of the guide member 202 is W3, wherein W1 ≥ W2 ≥ W3. That is, the width of the air inlet 205 can be less than or equal to the width of the air duct 204. In some embodiments, the air inlet 205 is formed by the air duct 204 passing through the door 201, so the width of the air inlet 205 is equal to the width of the air duct 204. It can be understood that a larger air inlet 205 is more conducive to air entering the air duct 204, which is beneficial to improving the efficiency of hot air exhaust from the receiving cavity 301 of the drawer assembly 300. As can be seen from the above embodiments, the guide member 202 is disposed in the air duct 204 and a part of it extends out from the air inlet 205 to guide air into the air inlet 205. Therefore, the width of the guide member 202 can be reasonably configured according to the width of the air inlet 205. The width of the guide member 202 can be equal to the width of the air inlet 205, that is, the guide member 202 can extend to the edge of the air inlet 205 along the width direction, so that air can be guided in a larger range, which helps to improve the efficiency of internal air exhaust.

[0072] In this embodiment, referring to FIG3, the exhaust assembly 400 includes an air guide shroud 401 and a fan 402. The air guide shroud 401 is connected to the cavity assembly 100 to achieve a fixed position. The air guide shroud 401 has a channel 405, and an inlet 403 and an outlet 404 communicating with the channel 405. The inlet 403 communicates with the air outlet 206. The fan 402 is connected to the air guide shroud 401 at the outlet 404. The fan 402 may be located inside the channel 405 of the air guide shroud 401 corresponding to the position of the outlet 404, or it may be located outside the air guide shroud 401 corresponding to the position of the outlet 404. Alternatively, the fan 402 may be located in the outlet 404, with one side exposed outside the air guide shroud 401 and the other side located inside the channel 405. The fan 402 is used to exhaust air from the channel 405 through the outlet 404 and can be a conventional exhaust fan. When the cooking cavity is closed by the door 201, during exhaust, the air in the channel 405 can be discharged by the fan 402. The air in the air duct 204 inside the door 201 can flow out of the air duct 204 through the air outlet 206 of the door 201 with the airflow, and enter the channel 405 inside the air guide 401 through the inlet 403 of the air guide 401. The air between the drawer assembly 300 and the cavity assembly 100 and inside the accommodating cavity 301 is guided by the air guide 202 and enters the air duct 204 through the air inlet 205 and is discharged with the airflow.

[0073] In some embodiments of the cooking apparatus, referring to Figures 3 and 4, a retaining plate 309 is provided at the front end of the drawer body 302. After the drawer body 302 is installed below the cavity assembly 100, it can be engaged with the cavity assembly 100 through the retaining plate 309 to achieve front-to-back positioning, ensuring the positional stability of the drawer body 302 and thus preventing displacement and back-to-back swaying of the drawer body 302 relative to the cavity assembly 100. The retaining plate 309 is provided with a through hole 308, which allows air in the accommodating cavity 301 to pass through. During exhaust, the air between the drawer assembly 300 and the cavity assembly 100 and the air inside the accommodating cavity 301 can reach the air guide 202 through the through hole 308, and then be guided by the air guide 202 into the air inlet 205 and air duct 204 of the door 201, and discharged through the air outlet 206 and exhaust assembly. The airflow path can be referred to the dashed arrow in Figure 3.

[0074] As can be seen from the above, referring to Figures 1 to 3, the cooking device of this embodiment of the invention forms an air duct 204 inside the door assembly 200, separating the inner and outer sides of the door assembly 200, and guides the air inside the drawer assembly 300 accommodating cavity 301 and the air in the space between the drawer assembly 300 and the cavity assembly 100 into the air duct 204 through the guide member 202. This includes removing the hot air in the air duct 204 through the exhaust member, thereby dissipating heat from the door assembly 200 and the drawer assembly 300, which can effectively reduce the temperature rise of the door assembly 200 and the drawer assembly 300 and reduce safety hazards.

[0075] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A cooking apparatus, characterized in that, include: A cavity assembly includes a cooking cavity; a door assembly includes a door body and a guide member, the door body being rotatably connected to the cavity assembly for closing the cooking cavity, the door body having an air duct and an air inlet and an air outlet communicating with the air duct, the guide member being disposed within the air duct; a drawer assembly includes a drawer body and a drawer panel, the drawer body being movably connected to the cavity assembly, the drawer body forming a receiving cavity with one open side, the drawer panel being connected to one side of the drawer body; when the door assembly closes the cooking cavity, the drawer panel is located on the side of the door body where the air inlet is located, and there is a gap between the drawer panel and the door body, the open side communicating with the gap, so that the receiving cavity communicates with the gap; an exhaust assembly is connected to the cavity assembly for exhausting air from the air duct; wherein, the air inlet is located near the end of the door body relative to the gap, at least a portion of the guide member extending from the air inlet into the gap, so as to form an air guiding structure between the air inlet and the receiving cavity.

2. The cooking apparatus according to claim 1, characterized in that, The air duct has a first inner wall and a second inner wall opposite to each other. The first inner wall is located on the side of the second inner wall facing the cooking cavity. The air guide has a first air guide surface and a second air guide surface connected to each other. The second air guide surface is located in the air duct. At least a portion of the first air guide surface extends out of the air inlet and is inclined toward the side where the first inner wall is located. When the door is closed and the cooking cavity is closed, the first air guide surface extends toward the accommodating cavity.

3. The cooking apparatus according to claim 2, characterized in that, The air guide includes a first air guide plate and a second air guide plate connected to each other. The second air guide plate is located inside the air duct. The side of the second air guide plate facing the first inner wall forms a second air guide surface. At least a portion of the first air guide plate extends into the gap and is inclined toward the side where the first inner wall is located. The side of the first air guide plate facing the first inner wall forms the first air guide surface.

4. The cooking apparatus according to claim 2, characterized in that, The distance between the second air guide surface and the first inner wall is L1, and the distance between the second inner wall and the first inner wall is L2, wherein L1 < L2.

5. The cooking apparatus according to claim 2, characterized in that, The second air guide surface includes a flat portion and an arcuate portion, wherein the arcuate portion is connected between the flat portion and the first air guide surface.

6. The cooking apparatus according to claim 3, characterized in that, The air guide also includes a third air guide plate, which is located inside the air duct and connected to the side of the second air guide plate away from the first air guide plate. The end of the third air guide plate away from the second air guide plate is attached to the second inner wall.

7. The cooking apparatus according to claim 6, characterized in that, The third air guide plate is configured as an elastic structure and abuts against the second inner wall.

8. The cooking apparatus according to claim 7, characterized in that, The first air guide plate and / or the second air guide plate are configured as elastic structures.

9. The cooking apparatus according to claim 6, characterized in that, The door body is provided with a first connecting part, and the air guide further includes a second connecting part. The second connecting part is connected to the first air guide plate or the second air guide plate, and the first connecting part is connected to the second connecting part.

10. The cooking apparatus according to claim 6, characterized in that, The door body is provided with a first connecting part, which is located at the air inlet and bent toward the air duct. A portion of the first air guide plate is bent toward the air duct to form a second connecting part, and the first connecting part and the second connecting part are connected to each other.

11. The cooking apparatus according to claim 1, characterized in that, The end of the air guide away from the air duct has a gap with the drawer panel; and / or, the drawer panel is provided with a handle, which is located on the side of the air guide away from the receiving cavity.

12. The cooking apparatus according to claim 1, characterized in that, The door has a set width. Along the width direction of the door, the width of the air duct is W1, the width of the air inlet is W2, and the width of the air guide is W3, wherein W1 ≥ W2 ≥ W3.

13. The cooking apparatus according to claim 1, characterized in that, The cooking device has a set vertical direction and a front-back direction. The drawer assembly is located below the cavity assembly and can move in the front-back direction. The door is connected to the front side of the cavity assembly and is located above the drawer assembly. The air inlet is located at the lower end of the door.

14. The cooking apparatus according to any one of claims 1 to 13, characterized in that, The exhaust assembly includes an air guide shroud and a fan. The air guide shroud is connected to the cavity assembly. The air guide shroud has a channel and an inlet and an outlet that connect the channel. The inlet is connected to the air outlet. The fan is connected to the air guide shroud at the outlet and is used to exhaust air from the channel through the outlet.

Citation Information

Patent Citations

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    CN205026750U

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