Door body structure and cooking utensil

Abstract

The utility model relates to a door body structure and a cooking utensil, the door body structure is used for the cooking utensil, the door body structure comprises a first door body assembly, a second door body assembly and a third door body assembly, the first door body assembly comprises a first door frame and first glass arranged on the first door frame; the second door body assembly and the first door body assembly are arranged in a stacked mode, the second door body assembly comprises a second door frame and second glass arranged on the second door frame, and the second door frame is fixedly connected with the first door frame; and the handle is fixedly connected to the first glass. The second glass can play a role in heat insulation and reduce the temperature of the outer side face of the door body structure; the first door frame and the second door frame are fixedly connected through the supporting piece, the supporting piece can improve the connecting strength and reliability between the first door frame and the second door frame, the first door frame and the second door frame are not prone to deformation in the using process, and therefore the overall strength of the door body structure can be improved; the stability and durability of the door body structure are improved; the supporting piece enables the handle to be directly and fixedly connected to the first glass, and attractiveness is improved.

Description

Technical Field

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

[0002] Electric ovens and other cooking appliances typically include a cabinet and a door that can be opened and closed.

[0003] In some existing electric ovens, the door uses a single-layer glass structure, resulting in a high temperature on the outer surface of the door, which can easily cause burns to users. Others use a double-layer glass structure, which can reduce the temperature of the outer surface, but the double-layer glass door frame is fixed using snap-fit ​​or adhesive methods, resulting in weaker connection strength and thus weaker overall door strength, affecting the door's stability and durability. Utility Model Content

[0004] Therefore, it is necessary to provide a door structure and cooking appliance to address the above problems, so as to improve the overall strength and aesthetics of the door structure.

[0005] This utility model provides a door structure for cooking appliances, comprising: a first door assembly including a first door frame and a first glass disposed on the first door frame; a second door assembly stacked on top of the first door assembly, the second door assembly including a second door frame and a second glass disposed on the second door frame; a support member sandwiched between the first door frame and the second door frame and fixedly connected to both the first door frame and the second door frame; and a handle fixedly connected to the first glass.

[0006] In the aforementioned door structure, the first door assembly and the second door assembly are stacked. The second glass serves as heat insulation, reducing the temperature of the first glass and thus lowering the temperature of the outer surface of the door structure, preventing users from being burned and improving safety. The first and second glass are fixedly connected to the first and second door frame structures, respectively. The first and second door frames are then fixedly connected by support members. The support members improve the connection strength and reliability between the first and second door frames and prevent deformation during use, thereby increasing the overall strength, stability, and durability of the door structure and extending its service life. Furthermore, the support members allow the handle to be directly fixed to the first glass, improving the connection strength between the handle and the first glass. Aesthetically, the handle is stably fixed to the first glass, and the internal installation structure is not visible through the first glass when viewed from the front of the door structure, thus improving its appearance.

[0007] In one embodiment, the first glass has a clearance hole, and the handle is fixedly connected to the support member at the clearance hole by fasteners.

[0008] This design improves the connection strength and reliability between the handle, the first glass, and the support, and prevents the first glass from breaking, thus enhancing its stability and durability.

[0009] In one embodiment, the first door frame is provided with a first mounting hole corresponding to the clearance hole, the support member is provided with a second mounting hole corresponding to the first mounting hole, and the fastener passes through the second mounting hole, the first mounting hole and the clearance hole in sequence before being fixedly connected to the handle.

[0010] This design simplifies the connection structure and improves the connection strength and reliability between the handle, the first glass, the first door frame, and the support, as well as the stability and durability of the first door frame and the support.

[0011] In one embodiment, the first door frame includes a first frame body and a first support portion extending inward from the first frame body. The first frame body is fitted around the outer periphery of the first glass, and the first support portion is fitted to one side of the first glass facing the second door assembly. The first mounting hole is provided in the first support portion.

[0012] With this configuration, the first frame and the second support can restrict the position of the first glass, and the first frame covering the outer periphery of the first glass can protect the first glass.

[0013] In one embodiment, the second door frame includes a second frame body and a second support portion extending inward from the second frame body. The second frame body is fitted around the outer periphery of the second glass and fixedly connected to the support member. The second support portion is fitted against one side of the second glass facing the first door assembly.

[0014] With this configuration, the second frame and the second support can restrict the position of the second glass, and the second frame covering the outer periphery of the second glass can protect the second glass.

[0015] In one embodiment, the second door assembly further includes a pressure plate disposed on one side of the second glass away from the second support portion and fixedly connected to the second frame to press and fix the second glass to the second support portion.

[0016] With this setup, the method of fixing the second glass to the second door frame is simple, and there is no need to drill holes in the second glass to facilitate the processing and assembly of the second door components.

[0017] In one embodiment, the support member is provided with reinforcing ribs extending along the width direction of the door structure.

[0018] This design can improve the strength of the support and the first door frame along the width direction, and prevent the support and the first door frame from deforming or breaking due to long-term stress.

[0019] In one embodiment, the door structure further includes a connector that is fixedly connected to the second door frame and is used to connect to the housing of the cooking appliance.

[0020] This design, which separates the connector and the second door frame, prevents the second door frame from deforming or breaking, improves the stability and durability of the second door frame and the connector, and allows the connector to be made of a higher strength material.

[0021] In one embodiment, the connector includes a mounting portion and a connecting portion. The mounting portion is sandwiched between the first door frame and the second door frame and is fixedly connected to the second door frame. The connecting portion extends from the edge of the mounting portion toward the housing and is used to connect with the housing.

[0022] This design improves the stability and reliability of the connection between the connector and the second door frame, preventing deformation and breakage caused by prolonged stress during installation, thereby enhancing the stability and durability of the connector.

[0023] This utility model also provides a cooking appliance, including the door structure described above. Attached Figure Description

[0024] 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.

[0025] Figure 1 This is a three-dimensional structural diagram of a door structure according to one embodiment of the present utility model;

[0026] Figure 2 Provided by this utility model Figure 1 An explosion diagram;

[0027] Figure 3 Provided by this utility model Figure 1 A cross-sectional view;

[0028] Figure 4 Provided by this utility model Figure 3Enlarged view of point A in the middle;

[0029] Figure 5 Provided by this utility model Figure 1 A three-dimensional sectional view;

[0030] Figure 6 Provided by this utility model Figure 5 Enlarged view of point B in the middle;

[0031] Figure 7 Provided by this utility model Figure 1 A three-dimensional sectional view from another perspective;

[0032] Figure 8 Provided by this utility model Figure 7 Enlarged view of point C in the middle;

[0033] Figure 9 Provided by this utility model Figure 1 A schematic diagram of the structure of the second gate component;

[0034] Figure 10 Provided by this utility model Figure 2 Schematic diagram of the middle support component;

[0035] Figure 11 Provided by this utility model Figure 2 Schematic diagram of the middle connector;

[0036] Figure 12 This is a three-dimensional structural diagram of a cooking utensil according to one embodiment of the present invention.

[0037] Reference numerals: 100, door structure; 10, first door assembly; 11, first door frame; 111, first frame; 112, first support; 1121, first mounting hole; 12, first glass; 121, clearance hole; 20, second door assembly; 21, second door frame; 211, second frame; 212, second support; 22, second glass; 23, pressure plate; 30, handle; 31, threaded hole; 32, boss; 40, support member; 41, reinforcing rib; 42, second mounting hole; 50, connector; 51, mounting part; 52, connecting part; 200, box body. Detailed Implementation

[0038] 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.

[0039] 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.

[0040] 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.

[0041] 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.

[0042] 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.

[0043] Electric ovens and other cooking appliances typically consist of a cabinet and an openable door. Some existing electric ovens use a single-layer glass door, resulting in a high surface temperature that can easily cause burns to users. Others use a double-layer glass door, which reduces the surface temperature, but the double-layered glass door frame is fixed using snap-fit ​​or adhesive methods, resulting in weaker connections and overall weaker door strength, affecting its stability and durability.

[0044] To solve the above problems, such as Figures 1 to 12 As shown, this utility model provides a door structure 100 and a cooking appliance to improve the overall strength and aesthetics of the door structure.

[0045] like Figures 1 to 2 As shown, specifically, the door structure 100 is used for cooking appliances and includes a first door assembly 10, a second door assembly 20, a support member 40, and a handle 30, wherein: the first door assembly 10 includes a first door frame 11 and a first glass 12 disposed within the first door frame 11; the second door assembly 20 is stacked with the first door assembly 10, and the second door assembly 20 includes a second door frame 21 and a second glass 22 disposed within the second door frame 21; the support member 40 is sandwiched between the first door frame 11 and the second door frame 21 and is fixedly connected to both the first door frame 11 and the second door frame 21; the handle 30 is fixedly connected to the first glass 12.

[0046] The cooking appliance also includes a housing 200, with a door structure 100 closable within the housing 200. A second glass panel 22 is relatively close to the housing 200, and the side of the second glass panel 22 facing away from the first door assembly 10 forms the inner surface of the door structure 100. A first glass panel 12 is relatively far from the housing 200, and the side of the first glass panel 12 facing away from the second door assembly 20 forms the outer surface of the door structure 100. The user can control the opening and closing of the door structure 100 relative to the housing 200 using a handle 30.

[0047] In the door structure 100 provided in this embodiment of the utility model, the first door assembly 10 and the second door assembly 20 are stacked. The second glass 22 can serve as heat insulation to reduce the temperature of the first glass 12, thereby reducing the temperature of the outer surface of the door structure 100, preventing users from being burned during use, and improving safety. The first glass 12 and the second glass 22 are respectively fixedly connected to the first door frame 11 and the second door frame 21. The first door frame 11 and the second door frame 21 are then fixedly connected by a support member 40. The support member 40 can improve the connection strength and reliability between the first door frame 11 and the second door frame 21, and make... The first door frame 11 and the second door frame 21 are less prone to deformation during use, thereby improving the overall strength of the door structure 100, enhancing its stability and durability, and extending its service life. Furthermore, the support member 40 allows the handle 30 to be directly fixed to the first glass 12, improving the connection strength between the handle 30 and the first glass 12. Aesthetically, the handle 30 and the first glass 12 are stably fixed, and the internal installation structure of the door structure 100 cannot be seen through the first glass 12 when viewed from the front, thus improving the aesthetics of the door structure 100.

[0048] Furthermore, the support member 40 can be made of a different material than the first door frame 11 and the second door frame 21, such as a metal part with higher strength, so that the first door frame 11, the second door frame 21 and the support member 40 will not deform or break even under long-term stress.

[0049] like Figures 1 to 2 As shown, the first door frame 11 and the support member 40, as well as the second door frame 21 and the support member 40, can be fixedly connected by means of rivets, screws, or welding to improve the connection strength and reliability between the first door frame 11, the second door frame 21, and the support member 40, thereby improving the overall strength of the door structure 100. In the illustrated embodiment, the support member 40 is configured as a strip structure extending along the width direction of the door structure (the X-axis direction in the illustration), and is fixedly connected to the top of the first door frame 11 and the second door frame 21. The bottom and sides of the first door frame 11 and the second door frame 21 can also be fixedly connected by means of snap-fit, rivets, screws, welding, or adhesive, thereby further improving the stability and reliability of the connection between the first door frame 11 and the second door frame 21. Of course, in other embodiments, the support member 40 can also be configured as a frame-like structure similar to the first door frame 11 and the second door frame 21, and fixedly connected to the top, bottom wall, and sides of the first door frame 11 and the second door frame 21.

[0050] like Figure 3As shown, there can be a certain gap between the first glass 12 and the second glass 22, so that the air between the first glass 12 and the second glass 22 can also play a heat insulation role, further reducing the temperature of the outer surface of the first glass 12.

[0051] like Figures 5 to 6 As shown, the first glass 12 is provided with a clearance hole 121, and the handle 30 is fixedly connected to the support member 40 at the clearance hole 121 by fasteners. The handle 30 and the support member 40 clamp and fix the first glass 12 on both sides respectively, so that the handle 30, the first glass 12 and the support member 40 are fixedly connected at the clearance hole 121 by fasteners, thereby improving the connection strength and reliability between the handle 30, the first glass 12 and the support member 40, and preventing the first glass 12 from breaking, thus improving the stability and durability of the first glass 12.

[0052] like Figure 2 and Figure 6 As shown, the first door frame 11 is provided with a first mounting hole 1121 corresponding to the clearance hole 121, and the support member 40 is provided with a second mounting hole 42 corresponding to the first mounting hole 1121. Fasteners pass through the second mounting hole 42, the first mounting hole 1121, and the clearance hole 121 in sequence and are then fixedly connected to the handle 30. In this way, the handle 30, the first glass 12, the first door frame 11, and the support member 40 are all fixedly connected by fasteners, which simplifies the connection structure and improves the connection strength and reliability between the handle 30, the first glass 12, the first door frame 11, and the support member 40. This prevents deformation and breakage at the connection between the first door frame 11 and the support member 40 and the handle 30 due to long-term stress, thereby improving the stability and durability of the first door frame 11 and the support member 40.

[0053] Specifically, the fastener can be a screw, bolt, or similar structure. The handle 30 has a threaded hole 31. The fastener passes through the first mounting hole 1121 and the clearance hole 121 sequentially from the side of the first support portion 112 away from the first glass 12, and is then fixed to the threaded hole 31 by threaded engagement. This allows the handle 30 and the first support portion 112 to clamp and fix the first glass 12, thereby improving the stability and reliability of the connection between the first glass 12 and the first support portion 112. Furthermore, the handle 30 may also have a boss 32 that can extend into the clearance hole 121, further improving the stability and reliability of the connection between the fastener and the handle 30.

[0054] like Figure 4As shown, the first door frame 11 includes a first frame body 111 and a first support portion 112 extending inward from the first frame body 111. The first frame body 111 is fitted around the outer periphery of the first glass 12, and the first support portion 112 is fitted against the side of the first glass 12 facing the second door assembly 20. A first mounting hole 1121 is provided in the first support portion 112. The cooperation between the first frame body 111 and the second support portion 112 can restrict the position of the first glass 12, and the annular structure of the first frame body 111 covering the outer periphery of the first glass 12 can also protect the first glass 12. The first glass 12 can be fixedly connected to the first support portion 112 by adhesive, so that the outer surface of the first glass 12 is unobstructed, achieving a unified appearance between the first door frame 11 and the first glass 12, thereby improving the aesthetics of the door structure 100.

[0055] like Figure 5 As shown, the handle 30 extends along the width direction (X-axis direction in the figure) of the door structure 100. Both ends of the handle 30 are fixedly connected to the first glass 12, the first door frame 11 and the support member 40 to ensure the stability and reliability of the handle 30 connection and to ensure the safety of the user when controlling the opening and closing of the door structure 100 through the handle 30.

[0056] like Figure 10 As shown, the support member 40 is provided with reinforcing ribs 41 extending along the width direction of the door structure 100. Since the stress points of the support member 40 are located at both ends of the door structure 100 along the width direction when the user controls the opening and closing of the door structure 100 via the handle 30, providing reinforcing ribs 41 extending along the width direction of the door structure 100 can further improve the strength of the support member 40 and the first door frame 11 along the width direction, preventing deformation and breakage of the support member 40 and the first door frame 11 due to prolonged stress. Multiple reinforcing ribs 41 can be provided, spaced apart, and each reinforcing rib 41 extends along the width direction of the door structure 100. Specifically, when the support member 40 is configured as a strip structure extending along the width direction of the door structure, the reinforcing ribs 41 extend along the length direction of the support member 40.

[0057] like Figure 4 As shown, the second door frame 21 includes a second frame body 211 and a second support portion 212 extending inward from the second frame body 211. The second frame body 211 is fitted around the outer periphery of the second glass 22 and is fixedly connected to the support member 40. The second support portion 212 is fitted against the side of the second glass 22 facing the first door assembly 10. The cooperation between the second frame body 211 and the second support portion 212 can restrict the position of the second glass 22, and the second frame body 211 is set as a ring structure covering the outer periphery of the second glass 22, which can also protect the second glass 22.

[0058] like Figure 2 and Figure 9As shown, in one embodiment, the second door assembly 20 further includes a pressure plate 23. The pressure plate 23 is disposed on the side of the second glass 22 facing away from the second support portion 212 and is fixedly connected to the second frame 211 to press and fix the second glass 22 to the second support portion 212. The pressure plate 23 can be fixedly connected to the second frame 211 by fasteners such as screws, bolts, and rivets. In the assembled state, part of the pressure plate 23 is in contact with the side of the second glass 22 facing away from the second support portion 212, and part of the pressure plate 23 is in contact with the second frame 211 to ensure the stability and reliability of the connection between the pressure plate 23 and the second frame 211. It also ensures the stability and reliability of the pressure plate 23 pressing and fixing the second glass 22 to the second support portion 212, preventing the second glass 22 from moving relative to the second door frame 21. Thus, the fixing method between the second glass 22 and the second door frame 21 is simple, and there is no need to drill holes in the second glass 22 to facilitate the processing and assembly of the second door assembly 20. The number of pressure plates 23 is two, and the two pressure plates 23 are arranged opposite each other on both sides of the second glass 22 along the width direction or along both sides of the height direction (perpendicular to the X-axis) to avoid excessive exposure of the pressure plates 23 and thus affecting the user's view. Alternatively, the number of pressure plates 23 can be one, three, four or more, as long as the stability and reliability of the connection between the second glass 22 and the second door frame 21 can be guaranteed, and the user's view can not be affected. This embodiment of the utility model does not impose specific limitations here.

[0059] Of course, in other embodiments, the second glass 22 can also be fixedly connected to the second support 212 by adhesive, as long as the stability and reliability of the connection between the second glass 22 and the second door frame 21 can be guaranteed. This utility model embodiment does not impose specific limitations here.

[0060] like Figure 2 and Figure 12 As shown, in one embodiment, the door structure 100 further includes a connector 50, which is fixedly connected to the second door frame 21 and used to connect to the cooking appliance housing 200. By setting the connector 50 and the second door frame 21 as separate structures, it prevents the second door frame 21 from being directly connected to the housing 200, which could lead to a weak connection point prone to deformation or breakage, thereby improving the stability and durability of the second door frame 21 and the connector 50. Furthermore, the connector 50 can be made of a different material than the second door frame 21, such as a higher-strength metal, ensuring that it will not deform or break even under prolonged stress. The connector 50 can be rotatably connected to the housing 200 via a pivot, or it can be connected to the housing 200 via a pull-out slide rail, hinge, or other structures. The specific connection method can be adjusted according to the opening and closing method of the door structure 100, and this embodiment of the invention does not impose specific limitations.

[0061] like Figure 7 , Figure 8 and Figure 11 As shown, the connector 50 includes a mounting portion 51 and a connecting portion 52. The mounting portion 51 is sandwiched between the first door frame 11 and the second door frame 21 and is fixedly connected to the second door frame 21. The connecting portion 52 extends from the edge of the mounting portion 51 toward the housing 200 and is used to connect with the housing 200. The mounting portion 51, sandwiched between the first door frame 11 and the second door frame 21, can increase the contact area between the mounting portion 51 and the second door frame 21, improve the stability and reliability of the connection between the connector 50 and the second door frame 21, and also prevent the mounting portion 51 from deforming or breaking due to long-term stress, thereby further improving the stability and durability of the connector 50.

[0062] Of course, in other embodiments, the connector 50 can also be integrally formed with the second door frame 21. For example, the connecting part 52 extends from the edge of the second door frame 21 toward the box 200, so that the door structure 100 is directly connected to the box 200 through the second door frame 21. As long as the stability and reliability of the connection between the door structure 100 and the box 200 can be guaranteed, this utility model embodiment does not impose specific limitations here.

[0063] When assembling the door structure 100, the first glass 12 can be fixedly installed inside the first door frame 11, and the support member 40 can be placed on the side of the first support part 112 away from the first glass 12. The handle 30 can be placed on the side of the first glass 12 away from the first support part 112. Then, the support member 40, the first door frame 11, the first glass 12 and the handle 30 can be fixedly connected by fasteners. Then, the second glass 22 can be fixedly installed inside the second door frame 21 by the pressure plate 23, and the mounting part 51 can be fixedly connected to the second door frame 21. Finally, the second door frame 21 can be fixedly connected to the support member 40.

[0064] like Figure 12 As shown, this embodiment of the utility model also provides a cooking appliance, including the aforementioned door structure 100. Specifically, the cooking appliance also includes a housing 200, and the door structure 100 is closable within the housing 200. The cooking appliance can be an electric oven, an electric steamer, or other similar equipment.

[0065] 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.

[0066] 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 door structure for cooking utensils, characterized in that, include: The first door assembly (10) includes a first door frame (11) and a first glass (12) disposed within the first door frame (11), wherein the first glass (12) is provided with a clearance hole (121). The second door assembly (20) is stacked on top of the first door assembly (10). The second door assembly (20) includes a second door frame (21) and a second glass (22) disposed on the second door frame (21). A support member (40) is sandwiched between the first door frame (11) and the second door frame (21), and is fixedly connected to both the first door frame (11) and the second door frame (21); and The handle (30) is fixedly connected to the first glass (12), and the handle (30) is fixedly connected to the support (40) at the clearance hole (121) by fasteners.

2. The door structure according to claim 1, wherein The first door frame (11) is provided with a first mounting hole (1121) corresponding to the clearance hole (121), and the support member (40) is provided with a second mounting hole (42) corresponding to the first mounting hole (1121). The fastener passes through the second mounting hole (42), the first mounting hole (1121) and the clearance hole (121) in sequence and is then fixedly connected to the handle (30).

3. The door structure of claim 2, wherein, The first door frame (11) includes a first frame (111) and a first support portion (112) extending inward from the first frame (111). The first frame (111) is fitted around the outer periphery of the first glass (12). The first support portion (112) is fitted with one side of the first glass (12) facing the second door assembly (20). The first mounting hole (1121) is provided in the first support portion (112).

4. The door structure of claim 1, wherein The second door frame (21) includes a second frame (211) and a second support portion (212) extending inward from the second frame (211). The second frame (211) is fitted around the outer periphery of the second glass (22) and is fixedly connected to the support member (40). The second support portion (212) is attached to one side of the second glass (22) facing the first door assembly (10).

5. The door structure according to claim 4, characterized in that, The second door assembly (20) further includes a pressure plate (23), which is disposed on the side of the second glass (22) away from the second support (212) and is fixedly connected to the second frame (211) to press and fix the second glass (22) to the second support (212).

6. The door structure of claim 1, wherein The support member (40) is provided with reinforcing ribs (41) extending along the width direction of the door structure.

7. The door structure of claim 1, wherein The door structure also includes a connector (50), which is fixedly connected to the second door frame (21) and is used to connect to the housing (200) of the cooking appliance.

8. The door structure of claim 7, wherein, The connector (50) includes a mounting part (51) and a connecting part (52). The mounting part (51) is sandwiched between the first door frame (11) and the second door frame (21) and is fixedly connected to the second door frame (21). The connecting part (52) extends from the edge of the mounting part (51) toward the box body (200) and is used to connect with the box body (200).

9. A cooking appliance characterized by, Includes the door structure as described in any one of claims 1 to 8.

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