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 first sliding block, a second sliding block, a transmission part and a connecting rod, and the bottom plate is used for being connected with a door body of the refrigeration equipment; the first sliding block and the second sliding block are slidably arranged on the bottom plate, and the second sliding block is used for being connected with a decorative plate. The transmission part is arranged between the first sliding block and the second sliding block and is in transmission connection with the first sliding block and the second sliding block; one end of the connecting rod is rotationally connected to the first sliding block, and in the door opening process, the connecting rod rotates and drives the first sliding block to slide, so that the transmission component drives the second sliding block to move in the direction away from the rotating side of the door body. According to the door hinge structure, the second sliding block is driven by the connecting rod to move in the direction away from the rotating side of the door body, so that the decorative plate slides relative to the door body, and interference of opening and closing of the door assembly is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of household appliances, in particular to a door hinge structure, a door assembly 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, built-in furniture, as a design concept that combines beauty and practicality, 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 their actual use: 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 user experience of the built-in refrigerator. Summary of the Utility Model

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

[0004] This application also proposes a door assembly for 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 for connecting with the door body of the refrigeration device;

[0008] A first slider and a second slider, both the first slider and the second slider are slidably arranged on the bottom plate, and the second slider is used for connecting with a decorative plate;

[0009] A transmission member is arranged between the first slider and the second slider, and the transmission member is in transmission connection with the first slider and the second slider;

[0010] A connecting rod, one end of which is rotatably connected to the first slider, and the other end is adapted to be rotatably connected to the box body of the refrigeration device. During the door opening process, the connecting rod rotates and drives the first slider to slide, so that the transmission member drives the second slider to move in a direction away from the rotation side of the door body.

[0011] According to the door hinge structure of the embodiment of the present application, during the door opening process, as the door body rotates relative to the box body, the first slider is driven to slide through the connecting rod, and the second slider is driven to move in a direction away from the rotating side of the door body, so as to realize the relative sliding of the decorative panel with respect to the door body, thereby avoiding interference during the opening and closing of the door assembly.

[0012] According to an embodiment of the present application, the first slider is provided with a first tooth groove, the second slider is provided with a second tooth groove, the transmission member is a gear and the transmission member meshes with the first tooth groove and the second tooth groove for transmission.

[0013] According to an embodiment of the present application, the bottom plate is provided with a mounting post, and the gear is sleeved on the mounting post.

[0014] According to an embodiment of the present application, the transmission member includes:

[0015] A first gear, mounted on the bottom plate, the first gear meshing with the first tooth groove;

[0016] A second gear, the second gear being meshed and connected with the second tooth groove;

[0017] A transmission gear, meshed and connected with the first gear and the second gear.

[0018] According to an embodiment of the present application, the second gear includes a first tooth portion and a second tooth portion arranged coaxially, the first tooth portion meshing with the transmission gear, the second tooth portion meshing with the second tooth groove, and the diameter of the second tooth portion being greater than the diameter of the first tooth portion.

[0019] According to an embodiment of the present application, the bottom plate is provided with a first slide rail, the first slider is slidably arranged on the first slide rail, and a first limiting portion is arranged on the first slide rail to limit the first slider from disengaging from the first slide rail;

[0020] and / or,

[0021] The bottom plate is provided with a second slide rail, the second slider is slidably arranged on the second slide rail, and a second limiting portion is arranged on the second slide rail to limit the second slider from disengaging from the second slide rail.

[0022] According to an embodiment of the present application, an installation portion is arranged on one side of the second slider facing away from the first slider, and an installation groove for connecting with the decorative panel is formed in the installation portion.

[0023] According to an embodiment of the present application, the door hinge structure of the refrigeration equipment further includes a hinge seat, the hinge seat is adapted to be installed on the box body, and the connecting rod is rotatably connected to the hinge seat.

[0024] The door assembly of the refrigeration device according to the second aspect embodiment of the present application includes:

[0025] A door body;

[0026] The door hinge structure of the above-mentioned refrigeration device, and the bottom plate is installed on the door body;

[0027] A decorative panel, which is slidably arranged on the door body.

[0028] The refrigeration device according to the third aspect embodiment of the present application includes a box body and the door assembly of the above-mentioned refrigeration device. 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.

[0029] Additional aspects and advantages of the present application will be given in part in the following description, become apparent in part from the following description, or be understood through the practice of the present application. Description of the Drawings

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present application or related technologies, the following will briefly introduce the drawings required for use in the description of the embodiments or related technologies. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0031] Figure 1 It is an exploded structural schematic diagram of the door hinge structure provided by the embodiment of the present application.

[0032] Figure 2 It is a structural schematic diagram of the door hinge structure provided by the embodiment of the present application in a closed state.

[0033] Figure 3 It is a structural schematic diagram of the door hinge structure provided by the embodiment of the present application with an opening angle of A.

[0034] Figure 4 It is a structural schematic diagram of the door hinge structure provided by the embodiment of the present application with an opening angle of B.

[0035] Figure 5 It is a structural schematic diagram of the refrigeration device provided by the embodiment of the present application.

[0036] Reference Signs:

[0037] 10. Box body;

[0038] 20. Door body;

[0039] 30. Decorative panel;

[0040] 100, Base plate; 120, First slide rail; 121, First limiting part; 130, Second slide rail; 131, Second limiting part;

[0041] 200, First slider; 210, First tooth groove;

[0042] 300, Second slider; 310, Second tooth groove; 320, Mounting part; 321, Mounting groove;

[0043] 400, Transmission component; 410, First gear; 420, Second gear; 421, First tooth part; 422, Second tooth part; 430, Transmission gear;

[0044] 500, Connecting rod;

[0045] 600, Hinge seat. Detailed implementation manner

[0046] The following further describes the implementation manner of the present application in combination 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.

[0047] 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", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0048] 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" should be understood in a broad sense. For example, it can be a fixed connection, which can include an 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.

[0049] In the embodiments of the present application, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may mean 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 top of" the second feature may mean 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", "below" and "beneath" the second feature may mean 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.

[0050] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. 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 representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, without contradiction, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0051] 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 as to combine the outer surface of the cabinet with the home decoration style.

[0052] However, as the door body 20 of the refrigeration device is opened, the decorative panel 30 is prone to interference and collision 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 prone to interference with the side wall of the cabinet during the door opening process, affecting the use experience.

[0053] The following will be combined with Figures 1 to 5 Describe the door hinge structure of the refrigeration device of the present application.

[0054] The door hinge structure of a refrigeration device according to an embodiment of the present application includes a bottom plate 100, a first slider 200, a second slider 300, a transmission member 400, and a connecting rod 500. The bottom plate 100 is used to connect to the door body 20 of the refrigeration device; both the first slider 200 and the second slider 300 are slidably disposed on the bottom plate 100, and the second slider 300 is used to connect to the decorative plate 30; the transmission member 400 is disposed between the first slider 200 and the second slider 300 and is in transmission connection with the first slider 200 and the second slider 300; one end of the connecting rod 500 is rotatably connected to the first slider 200, and the other end is adapted to be rotatably connected to the cabinet 10 of the refrigeration device. During the door opening process, the connecting rod 500 rotates and drives the first slider 200 to slide, so that the transmission member 400 drives the second slider 300 to move in a direction away from the rotating side of the door body 20.

[0055] According to the door hinge structure of the embodiment of the present application, during the door opening process, as the door body 20 of the refrigeration device rotates relative to the cabinet 10 of the refrigeration device, the first slider 200 slides relative to the bottom plate 100. The first slider 200 can drive the transmission member 400 to rotate, and the transmission member 400 drives the second slider 300 to move in a direction away from the rotating side of the door body 20, thereby realizing the sliding of the decorative plate 30 relative to the door body 20. The decorative plate 30 can move in a direction away from the rotating side of the door body 20 during the door opening process, thus avoiding interference with the side wall of the cabinet when the door assembly opens and closes. During the door closing process, as the door body 20 of the refrigeration device rotates relative to the cabinet 10 of the refrigeration device, the first slider 200 slides relative to the bottom plate 100. The first slider 200 can drive the transmission member 400 to rotate, and the transmission member 400 drives the second slider 300 to move in a direction towards the rotating side of the door body 20. The decorative plate 30 can be used to cover the cabinet body of the cabinet, enabling the combination of the outer surface of the cabinet with the home decoration style.

[0056] It can be understood that the first slider 200 is driven to move by the connecting rod 500, and the second slider is driven to move relative to the bottom plate 100 by the transmission member 400, thereby realizing the relative movement between the second slider 300 and the bottom plate 100, ensuring that the decorative plate 30 connected to the second slider 300 can be normally opened and closed, avoiding interference between the decorative plate 30 and the door body 20, and improving the user experience.

[0057] It should be noted that the bottom plate 100 can be integrally formed with the door body 20 of the refrigeration device, and both the first slider 200 and the second slider 300 are slidably connected to the door body 20 of the refrigeration device. Of course, the bottom plate 100 can also be an independent component, and the bottom plate 100 and the door body 20 can be connected by means such as screws and buckles to ensure the firm connection between the bottom plate 100 and the door body 20. The second slider 300 and the decorative plate 30 can be connected by means such as screws and buckles to ensure that the decorative plate 30 can be opened and closed as the second slider 300 moves.

[0058] It should be noted that the transmission component 400 is respectively in transmission connection with the first slider 200 and the second slider 300. The transmission component 400 can be a gear component. The first slider 200 and the second slider 300 can be provided with tooth groove structures corresponding to the gear component, or can be provided with chain structures corresponding to the gear component, so as to ensure that the first slider 200 can drive the transmission component 400 to be transmitted to the second slider 300. When the transmission component 400 is a gear component, the number of gear components can be one or multiple, and no specific limitation is made here.

[0059] One end of the connecting rod 500 is rotatably connected to the first slider 200, and the other end is adapted to be rotatably connected to the box body 10 of the refrigeration device. The connecting rod 500 is a link mechanism for driving the first slider 200 to slide. When the door body 20 of the refrigeration device rotates relative to the box body 10 of the refrigeration device, the connecting rod 500 is driven by the rotation of the door body 20 and drives the first slider 200 to slide relative to the door body 20.

[0060] According to an embodiment of the present application, the first slider 200 is provided with a first tooth groove 210, the second slider 300 is provided with a second tooth groove 310, and the transmission component 400 is a gear and the transmission component 400 meshes and transmits with the first tooth groove 210 and the second tooth groove 310.

[0061] It can be understood that the first tooth groove 210 and the second tooth groove 310 are used to mesh with the transmission component 400 (which can be a gear). When the first slider 200 is under the action of the rotational torque of the connecting rod 500, it can realize smooth and precise sliding through the meshing relationship between the tooth groove and the gear. When the gear rotates, it will simultaneously drive the second slider 300 to slide, ensuring the relative movement between the first slider 200 and the second slider 300.

[0062] It can be understood that the module of the first tooth groove 210 and the second tooth groove 310 can be the same. Correspondingly, the tooth module of the transmission component 400 meshing with the first tooth groove 210 is the same as the tooth module of the transmission component 400 meshing with the second tooth groove 310. Of course, the module of the first tooth groove 210 and the second tooth groove 310 can be different. Correspondingly, the tooth module of the transmission component 400 meshing with the first tooth groove 210 is different from the tooth module of the transmission component 400 meshing with the second tooth groove 310.

[0063] According to an embodiment of the present application, the bottom plate 100 is provided with an installation post (not marked in the figure), and the gear is sleeved on the installation post. The gear is sleeved on the installation post, realizing the fixation and positioning of the gear. The shape and size of the installation post match the central hole of the gear, so that the gear can be smoothly sleeved on the installation post.

[0064] According to an embodiment of the present application, the transmission component 400 includes a first gear 410, a second gear 420, and a transmission gear 430. The first gear 410 is mounted on the bottom plate 100, and the first gear 410 meshes with the first tooth groove 210; the second gear 420 is meshed and connected with the second tooth groove 310; the transmission gear 430 is meshed and connected with the first gear 410 and the second gear 420.

[0065] It can be understood that the first gear 410 is used to transmit the rotational torque of the connecting rod 500 to the first slider 200, so that the first slider 200 slides linearly along with the rotation of the first gear 410. The second gear 420 is used to transmit the rotational torque of the connecting rod 500 to the second slider 300, so that the second slider 300 can slide linearly along with the rotation of the second gear 420. The transmission gear 430 is arranged between the first gear 410 and the second gear 420 to ensure that the rotation directions of the first gear 410 and the second gear 420 are the same.

[0066] According to an embodiment of the present application, the second gear 420 includes a first tooth portion 421 and a second tooth portion 422 arranged coaxially. The first tooth portion 421 meshes with the transmission gear 430, and the second tooth portion 422 meshes with the second tooth groove 310, and the diameter of the second tooth portion 422 is greater than the diameter of the first tooth portion 421.

[0067] It can be understood that the first tooth portion 421 meshes with the transmission gear 430 and has a relatively small diameter. The relatively small diameter enables the first tooth portion 421 to cooperate with the transmission gear 430 at a relatively high rotational speed, thereby achieving efficient transmission. The first tooth portion 421 and the second tooth portion 422 share the same rotation center, and the rotational speeds of the first tooth portion 421 and the second tooth portion 422 are the same, so that the moving distance of the second slider 300 is relatively large.

[0068] According to an embodiment of the present application, the bottom plate 100 is provided with a first slide rail 120, the first slider 200 is slidably arranged on the first slide rail 120, and a first limiting portion 121 is arranged on the first slide rail 120 to limit the first slider 200 from disengaging from the first slide rail 120.

[0069] It can be understood that the first slide rail 120 can provide smooth and stable linear motion. When the first slider 200 slides relative to the door body 20, the first slider 200 can move linearly along the extension direction of the first slide rail 120. The first slide rail 120 is provided with a first limiting portion 121. The first limiting portion 121 can effectively limit the movement range of the first slider 200 relative to the door body 20 during the sliding process.

[0070] It should be noted that the shape of the first limiting portion 121 can be an I-shaped structure, or a spindle shape or other limiting structures. Correspondingly, the first slider 200 can be provided with a first limiting groove, and the first limiting portion 121 is clamped with the first limiting groove. The first limiting groove can be set corresponding to the shape of the first limiting portion 121.

[0071] According to an embodiment of the present application, the bottom plate 100 is provided with a second sliding rail 130, the second slider 300 is slidably arranged on the second sliding rail 130, and a second limiting portion 131 is arranged on the second sliding rail 130 to limit the second slider 300 from disengaging from the second sliding rail 130.

[0072] It can be understood that the second sliding rail 130 can provide smooth and stable linear motion. When the second slider 300 slides relative to the door body 20, the second slider 300 can perform linear motion along the extending direction of the second sliding rail 130. The second limiting portion 131 can effectively limit the movement range of the decorative plate 30 relative to the door body 20 during the sliding process.

[0073] It should be noted that the shape of the second limiting portion 131 can be an I-shaped structure, or a spindle shape or other limiting structures. Correspondingly, the second slider 300 can be provided with a second limiting groove, and the second limiting portion 131 is clamped with the second limiting groove. The second limiting groove can be set corresponding to the shape of the second limiting portion 131.

[0074] According to an embodiment of the present application, a mounting portion 320 is arranged on the side of the second slider 300 facing away from the first slider 200, and a mounting groove 321 for connecting with the decorative plate 30 is formed in the mounting portion 320.

[0075] It can be understood that the mounting portion 320 is provided with the mounting groove 321. The specific shape and size of this mounting groove 321 can be customized according to the structure and size of the decorative plate 30 to ensure that the decorative plate 30 can be firmly and stably installed in this groove. By arranging the mounting portion 320 and the mounting groove 321 on the second slider 300, the installation process of the decorative plate 30 can be greatly simplified. The user or installer only needs to align the decorative plate 30 with the mounting groove 321 and then fix it.

[0076] According to an embodiment of the present application, the door hinge structure of the refrigeration device further includes a hinge seat 600, the hinge seat 600 is adapted to be installed on the box body 10, and the connecting rod 500 is rotatably connected to the hinge seat 600.

[0077] It can be understood that the hinge seat 600 is used to connect the door body 20 to the box body 10 and provide a support point for the rotation of the door body 20. The hinge seat 600 may include one or more mounting holes for fixing the hinge seat 600 to the box body 10. The position and number of the mounting holes are reasonably designed according to the structure and installation requirements of the box body 10. During installation, bolts, screws or other fasteners can be used to firmly fix the hinge seat 600 to the box body 10.

[0078] The door assembly of the refrigeration device according to the embodiment of the second aspect of the present application includes a door body 20, the door hinge structure of the refrigeration device described above, and a decorative panel 30. The bottom plate 100 is installed on the door body 20; the decorative panel 30 is slidably arranged on the door body 20.

[0079] According to the door assembly of the embodiment of the present application, when the door is opened, as the door body 20 rotates relative to the box body 10, the connecting rod 500 drives the first slider 200 to slide relative to the door body 20. The first slider 200 can drive the gear assembly to rotate and drive the decorative panel 30 installed with the second slider 300 to slide, so as to realize the relative movement between the door body 20 and the decorative panel 30. When the door is closed, as the door body 20 rotates relative to the box body 10, the connecting rod 500 drives the second slider 300 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.

[0080] For the refrigeration device according to the embodiment of the third aspect of the present application, please refer to Figure 5 , the refrigeration device includes a box body 1010 and the door assembly of the refrigeration device described above. The box body 1010 forms a receiving space, and the door assembly is rotatably arranged on the box body 1010 to open or close the receiving space.

[0081] 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 retrieve items. When rotating, relative displacement can occur between the decorative panel 3030 and the door body 2020, avoiding interference of the opening and closing of the door assembly on the side wall of the cabinet, and greatly improving the user experience.

[0082] 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.

[0083] 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, include: A bottom plate, used for connection with the door of the refrigeration equipment; a first sliding block and a second sliding block, wherein the first sliding block and the second sliding block are both slidably disposed on the bottom plate, and the second sliding block is used to be connected to the decorative plate; A transmission component is disposed between the first slider and the second slider, and the transmission component is used for transmission connection between the first slider and the second slider; A connecting rod, one end of which is rotatably connected to the first slider, and the other end of which is suitable for being rotatably connected to the box body of the refrigeration equipment. During the door opening process, the connecting rod rotates and drives the first slider to slide, so that the transmission component drives the second slider to move in the direction away from the rotating side of the door body.

2. The door hinge structure of the refrigeration device according to claim 1, characterized in that The first slider is provided with a first tooth groove, the second slider is provided with a second tooth groove, the transmission component is a gear and the transmission component meshes with the first tooth groove and the second tooth groove for transmission.

3. The door hinge structure of the refrigeration device according to claim 2, characterized in that, The bottom plate is provided with a mounting column, and the gear is sleeved on the mounting column.

4. The door hinge structure of the refrigeration device according to claim 2, characterized in that, The transmission components include: A first gear, mounted on the bottom plate, the first gear meshing with the first tooth groove; a second gear, the second gear being meshedly connected with the second tooth groove; A transmission gear is meshed and connected with the first gear and the second gear.

5. The door hinge structure of the refrigeration device according to claim 4, characterized in that The second gear includes a first tooth portion and a second tooth portion which are coaxially arranged, the first tooth portion is meshed with the transmission gear, the second tooth portion is meshed with the second tooth groove, and the diameter of the second tooth portion is greater than the diameter of the first tooth portion.

6. The door hinge structure of the refrigeration device according to claim 1, characterized in that, The bottom plate is provided with a first slide rail, the first slider is slidably arranged on the first slide rail, and the first slide rail is provided with a first limiting portion to limit the first slider from leaving the first slide rail; and / or, The bottom plate is provided with a second slide rail, the second sliding block is slidably provided on the second slide rail, and a second limiting portion is provided on the second slide rail to limit the second sliding block from leaving the second slide rail.

7. The door hinge structure of the refrigeration device according to claim 1, characterized in that, A mounting portion is provided on a side of the second sliding block facing away from the first sliding block, and the mounting portion is provided with a mounting groove for connecting with the decorative panel.

8. The door hinge structure of the refrigeration device according to any one of claims 1-7, characterized in that, The door hinge structure of the refrigeration equipment further comprises a hinge seat, the hinge seat is suitable for being installed on the box body, and the connecting rod is rotatably connected to the hinge seat.

9. A door assembly of a refrigeration device, characterized in that, include: Door body; The door hinge structure of the refrigeration equipment according to any one of claims 1 to 8, wherein the bottom plate is mounted on the door body; The decorative panel is slidably arranged on the door body.

10. A refrigeration device, characterized in that, The invention comprises a box body and a door assembly of a refrigeration device according to any one of claims 1 to 9, wherein the box body is formed with a receiving space, and the door assembly is rotatably arranged on the box body to open or close the receiving space.

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