Door hinge structure of refrigeration equipment, door assembly of refrigeration equipment and refrigeration equipment

Abstract

The utility model relates to the technical field of household appliances, and provides a door hinge structure of refrigeration equipment, a door assembly of the refrigeration equipment and the refrigeration equipment. The door hinge structure comprises a bottom plate, a second rack, a gear assembly and a connecting rod, the bottom plate is used for being installed on a door body of the refrigeration equipment, and a sliding groove is formed in the bottom plate; the first rack is connected to the bottom plate; the second rack is slidably connected to the bottom plate and used for being installed on a decorative plate of the cupboard. The gear assembly comprises a first gear and a second gear, the first gear is slidably connected to the sliding groove, and the first gear is connected to the second gear; the connecting rod is rotationally connected to the first gear and rotationally connected with a box body of the refrigeration equipment. According to the door hinge structure, in the door opening process, the connecting rod rotates to drive the gear assembly to move in the extending direction of the sliding groove and drive the second rack to move relative to the bottom plate, so that relative movement between the second rack and the bottom plate is achieved, and the situation that a decorative plate and a door body interfere with the side wall of a cabinet is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of household appliances, in particular to a door hinge structure of a refrigeration device, a door assembly of a refrigeration device and a refrigeration device. Background Art

[0002] In today's society, the rapid progress of technology has greatly promoted the transformation of home living styles. Among them, as a design concept that combines beauty and practicality, built-in furniture is favored by consumers. By skillfully integrating electrical appliances or storage spaces into the home environment, built-in furniture not only effectively saves space but also significantly improves the overall coordination and aesthetics of the home. Taking a built-in refrigerator as an example, this design enables the refrigerator to be seamlessly embedded in the cabinet, perfectly integrating with the kitchen decoration style and creating a modern and harmonious living environment. However, although built-in refrigerators show significant advantages in enhancing home aesthetics and space utilization, there is still a problem that cannot be ignored in the actual use process: that is, the refrigerator door is prone to interference or collision with the side wall of the cabinet during the opening process, resulting in a poor use experience of the built-in refrigerator. Summary of the Utility Model

[0003] This application aims to solve at least one of the technical problems existing in the related art. For this purpose, this application proposes a door hinge structure of a refrigeration device to solve the defect that in the existing refrigeration device, during the door opening process, it is easy to interfere with the side wall of the cabinet, affecting the use experience.

[0004] This application also proposes a door assembly of a refrigeration device.

[0005] This application also proposes a refrigeration device.

[0006] According to the door hinge structure of the refrigeration device proposed in the first aspect embodiment of this application, it includes:

[0007] A bottom plate, which is used to be installed on the door body of the refrigeration device, and the bottom plate is provided with a chute;

[0008] A first rack, which is connected to the bottom plate, and the extending direction of the chute is the same as the extending direction of the first rack;

[0009] A second rack, which is slidably connected to the bottom plate, and the second rack is used to be installed on the decorative plate of the cabinet;

[0010] A gear assembly, including a first gear and a second gear, the first gear is slidably connected to the chute, and the second gear is connected to the first gear; the first gear meshes with the first rack, and the second gear meshes with the second rack;

[0011] A connecting rod, the first end of the connecting rod is rotatably connected to the first gear, and the second end of the connecting rod is adapted to be rotatably connected to the cabinet of the refrigeration device. During the door opening process, the connecting rod rotates, driving the gear assembly to move along the extension direction of the chute, and driving the second rack to move relative to the bottom plate.

[0012] For the door hinge structure according to the embodiment of the present application, during the door opening process, the connecting rod rotates to drive the gear assembly to move along the extension direction of the first rack, and drives the second rack to move relative to the bottom plate, thereby realizing the relative movement between the second rack and the bottom plate, avoiding interference between the decorative plate and the door body with the side wall of the cabinet, and improving the user experience.

[0013] According to an embodiment of the present application, the gear assembly includes:

[0014] A rotating shaft, the first gear is installed on the rotating shaft, and the second gear is installed on the rotating shaft.

[0015] According to an embodiment of the present application, the first rack is slidably connected to the chute through the rotating shaft.

[0016] According to an embodiment of the present application, the bottom plate is provided with a slide rail along the extension direction of the first rack, and the second rack is slidably connected to the slide rail.

[0017] According to an embodiment of the present application, the first rack and the second rack are arranged in parallel, and the first rack and the second rack are located on the same side of the bottom plate.

[0018] According to an embodiment of the present application, the module of the second gear is greater than the module of the first gear.

[0019] According to an embodiment of the present application, the door hinge structure includes a hinge seat for installing to the cabinet. The hinge seat is provided with a first axis and a second axis. The door body is rotatably connected to the first axis, and the second end of the connecting rod is rotatably connected to the second axis. When the door body is closed, the first axis is located on the side closer to the user of the second axis, and the second axis is located between the first axis and the second rack.

[0020] According to an embodiment of the present application, a connecting portion is provided on the side of the second rack facing away from the tooth groove. The connecting portion is provided with a mounting groove for mounting a decorative plate.

[0021] According to the door assembly of the refrigeration device in the second aspect embodiment of the present application, it includes:

[0022] A door body;

[0023] The door hinge structure of the refrigeration equipment described above, where the bottom plate is installed on the door body;

[0024] The decorative plate is connected to the second rack.

[0025] The refrigeration equipment according to the third aspect embodiment of the present application includes a box body and the door assembly of the refrigeration equipment described above. The box body forms a receiving space, and the door assembly is rotatably arranged on the box body to open or close the receiving space.

[0026] The additional aspects and advantages of the present application will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present application. Description of the Drawings

[0027] To more clearly illustrate the technical solutions in the embodiments of the present application or the related art, the following will briefly introduce the drawings required for use in the description of the embodiments or the related art. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0028] Figure 1 It is a schematic structural diagram of the door hinge structure provided by the embodiment of the present application in the closed state.

[0029] Figure 2 It is a schematic structural diagram of the door hinge structure provided by the embodiment of the present application in the intermediate state.

[0030] Figure 3 It is a schematic structural diagram of the door hinge structure provided by the embodiment of the present application in the open state.

[0031] Figure 4 Is Figure 1 The top view structural schematic diagram of the door hinge structure provided by the embodiment.

[0032] Figure 5 Is Figure 2 The top view structural schematic diagram of the door hinge structure provided by the embodiment.

[0033] Figure 6 Is Figure 3 The top view structural schematic diagram of the door hinge structure provided by the embodiment.

[0034] Figure 7 It is a schematic structural diagram of the door hinge structure provided by the embodiment of the present application in the closed state.

[0035] Figure 8 It is a schematic structural diagram of the door hinge structure provided by the embodiment of the present application in the open state.

[0036] Figure 9 It is a schematic structural diagram of a refrigeration device provided by an embodiment of the present application.

[0037] Figure 10 is Figure 9 A partial enlarged structural diagram of part A provided by the embodiment.

[0038] Reference numerals:

[0039] 10, box body;

[0040] 20, door body;

[0041] 30, decorative panel;

[0042] 100, bottom plate; 110, first rack; 121, sliding groove; 122, sliding rail;

[0043] 200, second rack; 210, connecting part; 211, installation groove;

[0044] 300, gear assembly; 310, first gear; 320, second gear; 330, rotating shaft;

[0045] 400, connecting rod;

[0046] 500, hinge seat; 510, first axis center; 520, second axis center. Detailed implementation manners

[0047] The following further describes in detail the implementation manners of the present application in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0048] In the description of the embodiments of the present application, it should be noted that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the embodiments of the present application. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0049] In the description of the embodiments of the present application, it should be noted that unless otherwise clearly specified and limited, the terms "connected" and "connected to" should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection, and the fixed connection can include the way of integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific situations.

[0050] In the embodiments of the present application, unless otherwise clearly specified and limited, the first feature being "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or simply means that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or simply means that the horizontal height of the first feature is less than that of the second feature.

[0051] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the embodiments of the present application. In this specification, the schematic descriptions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0052] In an embedded furniture, a refrigeration device can be embedded in a cabinet. Among them, the door body 20 of the refrigeration device is rotatably connected to the cabinet body 10 of the refrigeration device. The door body 20 of the refrigeration device can be used to cover the accommodation space inside the cabinet body 10, and the decorative panel 30 can be used to cover the cabinet body of the cabinet, so that the outer surface of the cabinet is combined with the home decoration style.

[0053] However, as the door body 20 of the refrigeration device is opened, the decorative panel 30 is likely to interfere with and collide with the side wall of the cabinet, resulting in a poor use experience of the embedded refrigerator. Therefore, the present application proposes a door assembly of a refrigeration device to solve the defect that the refrigeration device is likely to interfere with the side wall of the cabinet during the door opening process and affect the use experience.

[0054] The following is combined with Figures 1 to 10Describe the door hinge structure of the refrigeration device of the present application, the door assembly of the refrigeration device, and the refrigeration device of the refrigeration device.

[0055] For the door hinge structure proposed according to the embodiments of the present application, please refer to Figures 1 to 6 , the door hinge structure includes a bottom plate 100, a second rack 200, a gear assembly 300, and a connecting rod 400. The bottom plate 100 is used to be mounted on the door body 20 of the refrigeration device. The bottom plate is provided with a sliding groove 121 and a first rack 110, which is connected to the bottom plate 100. The extending direction of the sliding groove 121 is the same as that of the first rack 110; the second rack 200 is slidably connected to the bottom plate 100, and the second rack 200 is used to be mounted on the decorative panel 30 of the cabinet; the gear assembly 300 includes a first gear 310 and a second gear 320. The first gear 310 is slidably connected to the sliding groove, the second gear 320 is connected to the first gear 310, and the first gear 310 meshes with the first rack 110; the second gear 320 meshes with the second rack 120; the first end of the connecting rod 400 is rotatably connected to the first gear 310, and the second end of the connecting rod 400 is adapted to be rotatably connected to the box body 10 of the refrigeration device. During the door opening process, the connecting rod 400 rotates, driving the gear assembly 300 to move along the extending direction of the sliding groove 121, and driving the second rack 200 to move relative to the bottom plate 100.

[0056] For the door hinge structure according to the embodiments of the present application, the connecting rod 400 drives the gear assembly 300 to move along the extending direction of the sliding groove 121, and drives the second rack 200 to move relative to the bottom plate 100, so as to realize the relative movement between the second rack 200 and the bottom plate 100, ensuring that the decorative panel 30 connected to the second rack 200 can have relative displacement with respect to the door body 20 of the refrigeration device when the door is opened, avoiding interference between the decorative panel 30 and the door body 20 with the side wall of the cabinet, and improving the user experience.

[0057] The bottom plate 100 and the door body 20 can be connected by means of screws, buckles, etc., to ensure the firm connection between the bottom plate and the door body 20. Similarly, the second rack 200 and the decorative panel 30 can be connected by means of screws, buckles, etc., to ensure that the decorative panel 30 can be opened and closed as the second rack 200 moves.

[0058] It should be noted that the gear assembly 300 meshes with the first rack 110 and the second rack 200 respectively to realize power transmission.

[0059] It can be understood that one end of the connecting rod 400 is rotatably connected to a certain component (such as a transmission component or a gear) in the gear assembly 300, and the other end is rotatably connected to the box body 10 to form a rotational transmission mechanism.

[0060] The gear assembly 300 includes a transmission component, a first gear 310, and a second gear 320. The first gear 310 meshes with a first rack 110, the second gear 320 meshes with a second rack 200, and the transmission component connects the first gear 310 and the second gear 320. When the first gear 310 rotates, the transmission component can move along the extension direction of the first rack 110, drive the transmission component and the second gear 320 to rotate, and further drive the second rack 200 to move relative to the bottom plate 100.

[0061] The transmission component can be a rotating shaft 330 or a plurality of intermediate transmission gears.

[0062] According to an embodiment of the present application, the gear assembly 300 includes a rotating shaft 330 (the transmission component is the rotating shaft 330), a first gear 310, and a second gear 320. The rotating shaft 330 is rotatably connected to a connecting rod 400; the first gear 310 is mounted on the rotating shaft 330, and the first gear 310 meshes with the first rack 110; the second gear 320 is mounted on the rotating shaft 330, and the second gear 320 meshes with the second rack 200.

[0063] It can be understood that since the first gear 310 and the second gear 320 are both mounted on the same rotating shaft 330, they will rotate synchronously. When the first gear 310 moves, the second gear 320 will also rotate and drive the second rack 200 to move relative to the bottom plate 100. The rotating shaft 330 connects the first gear 310 and the second gear 320, with a simple and compact structure.

[0064] In one embodiment, the transmission component is an intermediate transmission gear, and the intermediate transmission gear meshes with the first gear 310 and the second gear 320 respectively. The intermediate transmission gear can change the transmission ratio, thereby changing the output speed and torque, so that the second rack 200 can be displaced relative to the bottom plate 100.

[0065] According to an embodiment of the present application, the first rack 110 is connected to the bottom plate 100. The bottom plate 100 is provided with a sliding groove 121, and the extension direction of the sliding groove 121 is the same as the extension direction of the first rack 110. The rotating shaft 330 is slidably connected to the sliding groove 121.

[0066] It can be understood that the first rack 110 is connected to the bottom plate 100 and can be fixed by welding, bolts or other means, or the first rack 110 and the bottom plate 100 can be integrally formed.

[0067] The sliding groove 121 provides a sliding track for the rotating shaft 330, allowing the rotating shaft 330 to move along the rack direction within the sliding groove 121. The sliding groove 121 has a limiting and guiding effect, which can ensure that the first gear 310 can roll meshingly on the first rack 110.

[0068] According to an embodiment of the present application, a slide rail 122 is provided on the base plate 100 along the extending direction of the first rack 110, and the second rack 200 is slidably connected to the slide rail 122.

[0069] It can be understood that the slide rail 122 provides an accurate guiding function for the second rack 200. Since the slide rail 122 is arranged along the extending direction of the first rack 110, the second rack 200 can maintain a direction parallel to the first rack 110 when sliding, thereby ensuring the stability of the entire transmission system.

[0070] The slide rail 122 provides additional support for the second rack 200. The second rack 200 is connected to the decorative plate 30, and the second rack 200 needs to bear the weight of the decorative plate 30 itself and the force during user operation. The slide rail 122 can provide support for the second rack 200.

[0071] According to an embodiment of the present application, the first rack 110 and the second rack 200 are arranged in parallel and are located on the same side of the base plate 100.

[0072] It can be understood that the first rack 110 and the second rack 200 arranged in parallel can ensure that the first rack 110 and the second rack 200 move at the same speed and in the same direction. This helps to keep the door body 20 opening and closing smoothly and reduces jamming or distortion caused by non-synchronization.

[0073] Arranging the first rack 110 and the second rack 200 on the same side can save space to the maximum extent and avoid interference between the connecting rod 400 and one of the first rack 110 and the second rack 200.

[0074] According to an embodiment of the present application, the module of the second gear 320 is greater than the module of the first gear 310.

[0075] It can be understood that the larger the module, the greater the pitch (i.e., the distance between teeth) of the gear or rack, which means that when the gear or rack rotates one circle or moves a certain distance, the linear displacement distance of the gear or rack increases. That is, at the same rotation angle, the second rack 200 can displace relative to the first rack 110, which can improve the adaptability of the door assembly.

[0076] According to an embodiment of the present application, please refer to Figure 7 and Figure 8, the door hinge structure includes a hinge seat 500 for mounting to the cabinet 10. The hinge seat 500 is provided with a first axis 510 and a second axis 520. The door body 20 is rotatably connected to the first axis 510, and the second end of the connecting rod 400 is rotatably connected to the second axis 520. When the door body 20 is closed, the first axis 510 is on the side closer to the user than the second axis 520, and the second axis 520 is between the first axis 510 and the second rack 200.

[0077] It can be understood that the hinge seat 500 provides a stable support point for the rotational connection of the door body 20 and is used to mount to the cabinet 10. The first axis 510 is the rotational connection point between the door body 20 and the hinge seat 500. When the door body 20 rotates around the first axis 510, it can perform the opening and closing actions. The second axis 520 is the rotational connection point between the connecting rod 400 and the hinge seat 500. The second end of the connecting rod 400 is connected to the hinge seat 500 through the second axis 520, thus realizing the linkage with the door body 20. When the door body 20 rotates, the connecting rod 400 will also rotate around the second axis 520 accordingly. When the door body 20 is closed, the first axis 510 is on the side closer to the user than the second axis 520, and the second axis 520 is between the first axis 510 and the second rack 200. Such a layout helps to achieve the effective linkage between the door body 20 and the transmission mechanism (such as the second rack 200). The included angle formed by the second end of the connecting rod 400, the first end of the connecting rod 400, and the first axis 510 is the rotational angle. When the door body 20 rotates towards the closing direction, the rotational angle decreases, and the second rack 200 moves along the direction towards the rotational side of the door body 20. When the door body 20 rotates towards the opening direction, the second rack 200 moves along the direction away from the rotational side of the door body 20.

[0078] It can drive the second rack 200 to perform corresponding movements through the connecting rod 400 and the second axis 520.

[0079] According to an embodiment of the present application, a connecting portion 210 is provided on the side of the second rack 200 facing away from the tooth groove. The connecting portion 210 is provided with a mounting groove 211 for mounting the decorative panel 30.

[0080] It can be understood that the connecting portion 210 is provided with a mounting groove 211. The specific shape and size of this mounting groove 211 may be customized according to the structure and size of the decorative panel 30 to ensure that the decorative panel 30 can be firmly and stably mounted in this groove. By providing the connecting portion 210 and the mounting groove 211 on the second rack 200, the installation process of the decorative panel 30 can be greatly simplified. The user or installer only needs to align the decorative panel 30 with the mounting groove 211 and then fix it.

[0081] The door assembly according to the second aspect embodiment of the present application includes a door body 20, the above-mentioned door hinge structure, and a decorative panel 30. The bottom plate 100 is installed on the door body 20; the decorative panel 30 is connected to the second rack 200.

[0082] In the door assembly according to the embodiment of the present application, when opening the door, as the door body 20 rotates relative to the box body 10, the connecting rod can drive the gear assembly 300 to rotate, and drive the decorative panel 30 installed with the second rack 200 to slide, so as to realize the relative movement between the door body 20 and the decorative panel 30. When closing the door, as the door body 20 rotates relative to the box body 10, the connecting rod drives the second rack 200 to slide relative to the door body 20, thereby driving the decorative panel 30 to slide, realizing the relative movement between the door body 20 and the decorative panel 30, and ensuring that the decorative panel 30 can be normally closed.

[0083] Through the transmission of the connecting rod, the first rack 110 and the gear assembly 300 in the present application, the decorative panel 30 can slide relative to the door body 20, thereby avoiding the interference of the opening and closing of the door assembly, with a simple structure and convenient assembly, which is beneficial to improving the assembly efficiency of the door assembly.

[0084] It should be noted that since the refrigeration device of the present application includes the above-mentioned door hinge structure, it has all the technical effects of the above-mentioned door hinge structure, which will not be elaborated here.

[0085] For the refrigeration device according to the third aspect embodiment of the present application, please refer to Figure 9 and Figure 10 , the refrigeration device includes a box body 10 and the above-mentioned door assembly. The box body 10 forms a receiving space, and the door assembly is rotatably arranged on the box body 10 to open or close the receiving space.

[0086] It can be understood that the door assembly is arranged on the box body 10 through a rotating mechanism (such as a hinge, a rotating shaft, etc.). By rotating, the receiving space can be opened or closed, which is convenient for users to store and take items. When rotating, the decorative panel 30 and the door body 20 can have relative displacement, avoiding the interference of the opening and closing of the door assembly, and greatly improving the user experience.

[0087] It should be noted that since the refrigeration device of the present application includes the above-mentioned door assembly, it has all the technical effects of the above-mentioned door assembly, which will not be elaborated here.

[0088] Finally, it should be noted that the above embodiments are only used to illustrate the present application, rather than to limit the present application. Although the present application has been described in detail with reference to the embodiments, those of ordinary skill in the art should understand that various combinations, modifications, or equivalent replacements of the technical solutions of the present application do not depart from the spirit and scope of the technical solutions of the present application, and should all be covered by the scope of the claims of the present application.

Claims

1. A door hinge structure of a refrigeration device, characterized in that, Comprising: A bottom plate (100) for mounting to a door body (20) of a refrigeration device, the bottom plate (100) being provided with a chute (121); A first rack (110) connected to the bottom plate (100), the extending direction of the chute (121) being the same as the extending direction of the first rack (110); A second rack (200) slidably connected to the bottom plate (100) for mounting to a decorative plate (30); A gear assembly (300) including a first gear (310) and a second gear (320), the first gear (310) being slidably connected to the chute (121), the second gear (320) being connected to the first gear (310), the first gear (310) meshing with the first rack (110), and the second gear (320) meshing with the second rack (200); A connecting rod (400), a first end of the connecting rod (400) being rotatably connected to the first gear (310), and a second end of the connecting rod (400) being adapted to be rotatably connected to a box body (10) of the refrigeration device. During the door opening process, the connecting rod (400) rotates, driving the gear assembly (300) to move along the extending direction of the chute (121) and driving the second rack (200) to move relative to the bottom plate (100).

2. The door hinge structure of the refrigeration device according to claim 1, characterized in that, The gear assembly (300) includes: A rotating shaft (330), the first gear (310) being mounted on the rotating shaft (330), and the second gear (320) being mounted on the rotating shaft (330).

3. The door hinge structure of the refrigeration device according to claim 2, characterized in that, The first gear (310) is slidably connected to the chute (121) through the rotating shaft (330).

4. The door hinge structure of the refrigeration device according to claim 1, characterized in that, The bottom plate (100) is provided with a slide rail (122) along the extending direction of the first rack (110), and the second rack (200) is slidably connected to the slide rail (122).

5. The door hinge structure of the refrigeration device according to claim 1, characterized in that, The first rack (110) and the second rack (200) are arranged in parallel, and the first rack (110) and the second rack (200) are located on the same side of the bottom plate (100).

6. The door hinge structure of the refrigeration device according to claim 2, characterized in that, The module of the second gear (320) is greater than the module of the first gear (310).

7. The door hinge structure of the refrigeration device according to claim 1, characterized in that, The door hinge structure includes a hinge seat (500) for mounting to the box body. The hinge seat (500) is provided with a first axis (510) and a second axis (520). The door body is rotatably connected to the first axis (510), and the second end of the connecting rod (400) is rotatably connected to the second axis (520). When the door body is closed, the first axis (510) is located on the side closer to the user of the second axis (520), and the second axis (520) is located between the first axis (510) and the second rack (200).

8. The door hinge structure of the refrigeration device according to any one of claims 1 to 7, characterized in that, A connecting portion (210) is provided on a side of the second rack (200) facing away from the tooth groove, and an installation groove (211) is provided in the connecting portion (210) for mounting a decorative plate.

9. A door assembly of a refrigeration device, characterized in that, Comprising: A door body (20); The door hinge structure of the refrigeration device according to any one of claims 1-8, wherein the bottom plate (100) is mounted on the door body (20); The decorative plate (30) is connected to the second rack (200).

10. A refrigeration device, characterized in that, It includes a box body and the door assembly of the refrigeration device according to claim 9. The box body (10) forms a receiving space, and the door assembly is rotatably arranged on the box body (10) to open or close the receiving space.

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