Door apparatus and refrigeration appliance

Abstract

The present application relates to the technical field of refrigeration appliances, and provides a door apparatus and a refrigeration appliance. The door apparatus comprises: an appliance door rotatably connected to an appliance body, the thickness of the appliance door being 18-60 mm; a cabinet door and a driven guide rail mechanism, the driven guide rail mechanism being configured to be provided between the appliance body and the cabinet door and being used for guiding the cabinet door to move relative to the appliance door, and the thickness of the cabinet door being 12-26 mm; and a door sliding mechanism, comprising a traction assembly and a door sliding assembly which are connected, the traction assembly being provided on the front surface of the appliance body, the door sliding assembly being provided on the appliance door and being connected to the cabinet door, and the traction assembly being configured to drive, during the opening or closing of the appliance door, the door sliding assembly to operate to drive the cabinet door to move relative to the width direction of the appliance door. When the appliance door rotates relative to the appliance body, the door sliding assembly can be driven by the traction assembly to move the cabinet door relative to the appliance door, so that when the refrigeration appliance is placed into a kitchen cabinet in a built-in manner, interference between the cabinet door and the kitchen cabinet can be avoided.

Description

Door assembly and refrigeration equipment

[0001] Cross-reference to related applications

[0002] This application claims priority to Chinese patent application No. 202411184257.7, filed on August 26, 2024, entitled "Door assembly and refrigeration equipment", which is incorporated herein by reference in its entirety. Technical Field

[0003] This application relates to the field of refrigeration equipment technology, and in particular to a door device and refrigeration equipment. Background Technology

[0004] Currently, refrigerators are an essential appliance in almost every household. Most existing refrigerators are freestanding, and their placement requires a certain amount of space, whether in the kitchen or living room. To save space, some existing refrigerators are now built-in and placed together with cabinets.

[0005] To further enhance harmony and aesthetics, some built-in refrigerators have decorative panels added to the exterior of the refrigerator door, flush with the cabinetry on the side of the refrigerator. However, in actual use, the gap between the refrigerator and the cabinetry is often small, causing the decorative panel to interfere with the cabinetry when the refrigerator door is opened, thus affecting the user experience. Summary of the Invention

[0006] In order to solve the problems existing in the background art, this application provides a door device and a refrigeration device to avoid interference between the decorative panel and the cabinet when opening the refrigerator door, while ensuring coordination and aesthetics and without affecting the user's experience.

[0007] This application also proposes a refrigeration device.

[0008] The door device according to an embodiment of this application includes:

[0009] The door is rotatably connected to the box body and is suitable for opening or closing the storage space of the box body. The thickness of the door is 18-60mm.

[0010] A cabinet door and a driven guide rail mechanism, wherein the driven guide rail mechanism is configured to be disposed between the box door and the cabinet door, and the driven guide rail mechanism is used to guide the cabinet door to move relative to the box door, wherein the thickness of the cabinet door is 12-26mm;

[0011] A sliding door mechanism includes a traction component and a sliding door component connected to each other. The traction component is disposed on the front of the cabinet body, and the sliding door component is disposed on the cabinet door and connected to the cabinet door. The traction component is configured to drive the sliding door component to move during the opening or closing of the cabinet door, thereby causing the cabinet door to move relative to the width direction of the cabinet door.

[0012] The door device of this application embodiment is installed after the cabinet of the refrigeration equipment. During the rotation of the cabinet door relative to the cabinet, the sliding door assembly can move the cabinet door relative to the cabinet door under the drive of the traction assembly. Thus, when the refrigeration equipment is placed in the cabinet in an embedded manner, while ensuring coordination and aesthetics and not affecting the user experience, the cabinet door can be prevented from interfering with the cabinet during the opening of the cabinet door.

[0013] In some embodiments, the number of cabinet doors is multiple, and each cabinet door corresponds to at least one of the storage spaces;

[0014] Each of the said doors is rotatably connected to the box body via multiple hinges, and the traction assembly is disposed near at least one of the multiple hinges corresponding to each of the said doors.

[0015] In some embodiments, the number of cabinet doors is two, and the two cabinet doors are arranged along the height or width direction of the cabinet body; or...

[0016] The number of cabinet doors is three, and the three cabinet doors are arranged along the height direction of the cabinet body;

[0017] The container has four doors: a first door, a second door, a third door, and a fourth door. The first door and the second door are arranged side by side along the width of the container, the third door and the fourth door are arranged side by side along the width of the container, the first door and the third door are arranged side by side along the height of the container, and the second door and the fourth door are arranged side by side along the height of the container.

[0018] In some embodiments, the hinge includes a first hinge disposed on the top wall of the housing; and / or,

[0019] A second hinge, wherein the second hinge is disposed on the front side of the housing; and / or,

[0020] A third hinge is disposed on the front of the housing, and the third hinge is located between the first hinge and the second hinge.

[0021] In some embodiments, the driven guide mechanism includes:

[0022] The driven structure includes a slide rail and a sliding member. The slide rail is disposed on the door and extends along the width direction of the door. The sliding member is movably disposed on the slide rail.

[0023] The hook-and-mount structure includes a snap-fit ​​connector and an elastic snap-fit ​​seat, which are respectively disposed on the sliding member and the cabinet door. The elastic snap-fit ​​seat can deform under the compression of the snap-fit ​​connector and snap-fit ​​with the snap-fit ​​connector.

[0024] In some embodiments, the resilient card holder has a snap-fit ​​groove, the snap-fit ​​connector and the snap-fit ​​groove are adapted to each other and are disposed opposite to each other along the thickness direction of the cabinet door.

[0025] In some embodiments, the snap-fit ​​connector includes a spherical head, the snap-fit ​​groove includes a spherical groove, the spherical head is adapted to the spherical groove, and the diameter of the opening of the spherical groove is smaller than the inner diameter of the spherical groove.

[0026] In some embodiments, the traction assembly includes a traction rod, a first shaft fixing seat, and a second shaft fixing seat;

[0027] The first pivot fixing seat is connected to the sliding door assembly, the second pivot fixing seat is connected to the front of the housing, one end of the traction rod is rotatably connected to the first pivot fixing seat, and the other end of the traction rod is rotatably connected to the second pivot fixing seat;

[0028] During the opening or closing of the cabinet door, the traction rod drives the sliding door assembly to move, thereby causing the cabinet door to move relative to the width direction of the cabinet door.

[0029] In some embodiments, the sliding door assembly includes:

[0030] The first base has a first guide rail formed on one side and a second guide rail formed on the other side;

[0031] A first slider is slidably disposed on the first guide rail, and the traction component is connected to the first slider;

[0032] The second slider is slidably mounted on the second guide rail and connected to the cabinet door;

[0033] The connector has two ends that are respectively connected to the first slider and the second slider;

[0034] During the opening or closing of the door, the traction assembly drives the first slider to move on the first guide rail, and the first slider drives the second slider to move in the opposite direction on the second guide rail through the connector.

[0035] In some embodiments, the connector includes:

[0036] The first connector bypasses one end of the first base and is connected at both ends to one end of the first slider and one end of the second slider, respectively.

[0037] The second connector bypasses the other end of the first base, and its two ends are respectively connected to the other ends of the first slider and the second slider.

[0038] This application provides a refrigeration device according to an embodiment, including:

[0039] The box-shaped structure forms a storage space;

[0040] The aforementioned door device has a door that is rotatably connected to the box body, and is suitable for opening or closing the storage space of the box body.

[0041] In addition to the technical problems solved by this application, the technical features of the technical solutions constituted, and the advantages brought about by the technical solutions with these technical features as described above, other technical features of this application and the advantages brought about by these technical features will be further explained in conjunction with the accompanying drawings. Attached Figure Description

[0042] To more clearly illustrate the technical solutions in the embodiments or related technologies of this application, the accompanying drawings used in the description of the embodiments or related technologies will be briefly introduced below. Obviously, the accompanying 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.

[0043] Figure 1 is a schematic diagram of the structure of a refrigeration device with a door assembly sliding according to one embodiment of the present application.

[0044] Figure 2 is a structural schematic diagram of a refrigeration device with a door assembly according to one embodiment of this application.

[0045] Figure 3 is one of the enlarged partial schematic diagrams of Figure 2.

[0046] Figure 4 is a second enlarged view of a portion of Figure 2.

[0047] Figure 5 is a second enlarged view of a portion of Figure 2.

[0048] Figure 6 is a structural schematic diagram of the first hinge in a door device according to one embodiment of the present application.

[0049] Figure 7 is a structural schematic diagram of the second hinge in a door device according to one embodiment of the present application.

[0050] Figure 8 is a structural schematic diagram of the third hinge in a door device according to one embodiment of the present application.

[0051] Figure 9 is a structural schematic diagram of the sliding door mechanism in a door device according to one embodiment of the present application.

[0052] Figure 10 is a structural schematic diagram of the sliding door mechanism shown in Figure 9 from another perspective.

[0053] Figure 11 is a structural schematic diagram of the sliding door mechanism in a door device according to another embodiment of the present application.

[0054] Figure 12 is a structural schematic diagram of the sliding door mechanism shown in Figure 11 from another perspective.

[0055] Figure 13 is a schematic diagram of the disassembled sliding door mechanism shown in Figure 11.

[0056] Figure 14 is a schematic diagram of the connection between the driven structure and the snap-fit ​​connector provided in an embodiment of this application.

[0057] Figure 15 is a structural schematic diagram of the flexible card holder provided in an embodiment of this application.

[0058] Figure 16 is a cross-sectional structural schematic diagram of the door device provided in an embodiment of this application.

[0059] Reference numerals: 100, cabinet door; 110, first cabinet door; 120, second cabinet door; 200, cabinet door; 300, sliding door mechanism; 310, traction assembly; 311, traction rod; 312, first pivot fixing seat; 313, second pivot fixing seat; 320, sliding door assembly; 321, base; 322, first slider; 323, second slider; 324, connector; 3241, first connector; 3242, second connector; 325, joining plate; 326, first receiving plate; 327, second receiving plate; 328, first roller; 329, second roller; 400, hinge; 410, first hinge; 411, first hinge plate; 412, first hinge shaft; 420, second hinge; 421, second hinge plate; 4211, mounting plate; 4212, connecting plate; 422 423. Second hinge shaft; 430. Third hinge; 431. Third hinge plate; 4311. Support plate; 4312. Extension plate; 432. Fourth hinge shaft; 500. Box body; 501. Upper crossbeam; 502. Middle crossbeam; 503. Lower crossbeam; 510. First cabinet; 520. Second cabinet; A. First installation area; B. Second installation area; C. Third installation area; 600. Driven guide rail mechanism; 601. Driven structure; 6011. Slide rail; 6012. Sliding element; 60121. Ball bearing bracket; 60122. Adapter seat; 602. Hanging structure; 6021. Snap connector; 6022. Elastic snap seat; 60211. Spherical head; 60221. Snap seat body; 60222. Fixing ear; 602211. Snap groove. Detailed Implementation

[0060] The embodiments of this application will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this application, but should not be used to limit the scope of this application.

[0061] In the description of the embodiments of this application, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing the embodiments of this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the embodiments of this application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In addition, in the description of this application, unless otherwise stated, "multiple," "multiple roots," and "multiple groups" mean two or more.

[0062] In the description of the embodiments of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application based on the specific circumstances.

[0063] In the embodiments of 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 is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply 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 that the first feature is at a lower horizontal level than the second feature.

[0064] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the embodiments of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0065] As shown in Figure 2, the door device in this embodiment includes: a box door 100, a cabinet door 200, a driven guide rail mechanism 600, and a sliding door mechanism 300. The box door 100 is rotatably connected to the box body 500 and is suitable for opening or closing the storage space of the box body 500. The driven guide rail mechanism 600 is configured between the box door 100 and the cabinet door 200, and is used to guide the cabinet door 200 to move relative to the box door 100. The sliding door mechanism 300 includes a traction component 310 and a sliding door component 320 connected together. The traction component 310 is disposed on the front of the box body 500, and the sliding door component 320 is disposed on the box door 100 and connected to the cabinet door 200. The traction component 310 is configured to drive the sliding door component 320 to move during the opening or closing of the box door 100, thereby causing the cabinet door 200 to move in the width direction relative to the box door 100.

[0066] The thickness of the cabinet door 100 is 18-60mm, and for example, the thickness of the cabinet door 100 is 18mm, 25mm, 50mm, 60mm, etc. The thickness of the cabinet door 200 is 12-26mm, and for example, the thickness of the cabinet door 200 is 12mm, 18mm, 24mm, 26mm, etc. In addition, the cabinet door 200 can be a wooden door or a plastic door, etc.

[0067] The door device in this embodiment can be used in refrigeration equipment such as refrigerators, freezers, and ice makers. This refrigeration equipment includes a cabinet 500 with a storage space for storing vegetables, fruits, and other items requiring refrigeration or freezing. Optionally, the cabinet 500 may also include a refrigeration unit that can cool the storage space.

[0068] In this embodiment, the door 100 in the door device can be rotatably mounted on the cabinet 500 of the refrigeration equipment via the hinge 400. The door 100 can be used to open or close the storage space in the cabinet 500. When the door 100 is in the closed position of closing the storage space, the storage space is in a closed state, and the items in the storage space can be refrigerated. When the door 100 is in the open position of opening the storage space, the storage space is in an open state, and the user can take out the items in the storage space.

[0069] To facilitate the description of the positional relationship between the various components, in this embodiment, as shown in Figure 2, the box 500 is generally constructed as a cuboid structure with a certain height. The box 500 can be placed on a horizontal surface. The box 500 has a height direction, a width direction, and a thickness direction that are perpendicular to each other. The height direction of the box 500 is parallel to the vertical direction, and the width direction and the thickness direction are located in the horizontal plane and are perpendicular to each other.

[0070] The interior of the box 500 is provided with a storage space. An opening is provided on the side of the box 500 in the thickness direction, which connects to the storage space. The box door 100 is connected to the side of the box 500 in the thickness direction where the opening is provided. The box door 100 extends along the width direction of the box 500. A hinge 400 is connected to the box door 100 on one side of the box 500 in the width direction. The box door 100 can be rotated to the box 500 via the hinge 400, thereby ensuring that the box door 100 can open or close the storage space of the box 500.

[0071] Furthermore, the side of the box 500 where the box door 100 is installed is the front, that is, the box door 100 is installed on the front of the box 500.

[0072] The door 100 is generally constructed as a flat plate with a certain thickness. The door 100 has mutually perpendicular height, width, and thickness directions. The height direction of the door 100 is parallel to the vertical direction, while the width and length directions are located in a horizontal plane and are perpendicular to each other. One side of the door 100 in the width direction can be rotatably connected to the box body 500 via a hinge 400. For example, as shown in Figure 2, the door 100 is connected to the right side of the box body 500 in the width direction via a hinge 400, allowing the door 100 to rotatably connect to the box body 500.

[0073] Furthermore, when the door 100 is in the position of closing the storage space of the box 500, the width direction of the door 100 is parallel to the width direction of the box 500, and the thickness direction of the door 100 is parallel to the thickness direction of the box 500.

[0074] Furthermore, the cabinet door 200 can be a decorative door panel. The cabinet door 200 is constructed as a flat plate structure with a certain thickness. The cabinet door 200 is connected to the outer side of the box door 100 away from the box body 500. When the refrigeration equipment is embedded in the cabinet or placed directly in the cabinet, the cabinet door 200 can be flush with the cabinet door panel when the box door 100 is in the closed position. That is, the outer wall of the cabinet door 200 away from the box door 100 can be flush with the outer wall of the cabinet.

[0075] In practical applications, the outer wall of the cabinet door 200 can be made of the same material and shape as the outer wall of the cabinet, and can be decorated with the same decorations, so that the refrigeration equipment can be sufficiently coordinated with the cabinet and ensure aesthetics.

[0076] In this embodiment, the door device is installed after the cabinet 500 of the refrigeration equipment. When the cabinet door 100 rotates relative to the cabinet 500 to open or close the storage space of the cabinet 500, the sliding door mechanism 300 can drive the cabinet door 200 to move relative to the cabinet door 100 in the width direction. Thus, when the refrigeration equipment is placed in the cabinet in an embedded manner, while ensuring coordination and aesthetics and not affecting the user experience, the cabinet door 200 can be prevented from interfering with the cabinet during the opening of the cabinet door 100.

[0077] In one embodiment, as shown in FIG1, the door assembly and the cabinet 500 are configured to be disposed within the installation space formed between the first cabinet 510 and the second cabinet 520; during the opening or closing of the cabinet door 100, the sliding door mechanism 300 is configured to drive the cabinet door 200 to move a preset distance on the cabinet door 100 so that the cabinet door 200 avoids the side walls of the first cabinet 510 and the second cabinet 520.

[0078] Alternatively, the door assembly and the cabinet 500 are configured to be housed within the cabinet; during the opening or closing of the cabinet door 100, the sliding door mechanism 300 is configured to drive the cabinet door 200 to move a preset distance on the cabinet door 100 so that the cabinet door 200 avoids the side wall of the cabinet.

[0079] The refrigeration equipment includes a door assembly and a 500-ton cabinet.

[0080] In practice, as shown in Figure 1, when a refrigeration device with the door assembly and the cabinet 500 is placed between adjacent first cabinets 510 and second cabinets 520, a cabinet door 200 can be provided on the outer side of the cabinet door 100 in the door assembly. The cabinet door 200 can move relative to the cabinet door 100 along the width direction of the cabinet door 100. Optionally, when the cabinet door 100 is in the state of closing the storage space of the cabinet 500, the outer wall surface of the cabinet door 200 away from the cabinet door 100 can be flush with the outer wall surfaces of the first cabinet 510 and the second cabinet 520. The outer wall surfaces of the first cabinet 510 and the second cabinet 520 and the outer wall surface of the cabinet door 200 away from the cabinet door 100 are in the same direction in the thickness direction of the cabinet 500.

[0081] At this time, as the cabinet door 100 rotates relative to the cabinet body 500, the sliding door mechanism 300 can drive the cabinet door 200 to move, thereby allowing the cabinet door 200 to avoid the side walls of the first cabinet body 510 and the second cabinet body 520.

[0082] Alternatively, after the refrigeration equipment is placed in the cabinet, a cabinet door 200 can be provided on the outside of the cabinet door 100 of the door assembly, and the cabinet door 200 can move relative to the cabinet door 100. Optionally, when the cabinet door 100 is in the closed storage space of the cabinet 500, the outer wall surface of the cabinet door 200 away from the cabinet door 100 can be flush with the outer wall surface of the cabinet, and the outer wall surface of the cabinet and the outer wall surface of the cabinet door 200 away from the cabinet door 100 are in the same direction in the thickness direction of the cabinet 500.

[0083] At this time, as the cabinet door 100 rotates relative to the cabinet body 500, the sliding door mechanism 300 can drive the cabinet door 200 to move, which also allows the cabinet door 200 to avoid the side wall of the cabinet body.

[0084] Furthermore, in one embodiment, there are multiple cabinet doors 100, each cabinet door 100 corresponding to at least one storage space; each cabinet door 100 is rotatably connected to the cabinet body 500 by multiple hinges 400, and a traction assembly 310 is provided near at least one of the multiple hinges 400 corresponding to each cabinet door 100.

[0085] Depending on different refrigeration needs, the cabinet 500 of different refrigeration equipment can be equipped with different numbers of storage spaces. These storage spaces are spaced apart along the height of the cabinet 500. Some storage spaces are used for refrigeration, and some are used for freezing. Accordingly, in order to close these storage spaces in a targeted manner, there can be multiple cabinet doors 100, and each cabinet door 100 corresponds to at least one of the storage spaces.

[0086] For example, as shown in Figure 2, the cabinet 500 has two storage compartments spaced apart vertically. These two storage compartments can be used for refrigeration and freezing, respectively. There are two doors 100, namely a first door 110 and a second door 120, and the positions of the two doors 100 correspond one-to-one with the two storage compartments. At this time, the two storage compartments can be opened or closed independently through the two doors 100.

[0087] For example, the cabinet 500 can have three storage compartments arranged vertically at intervals: a first compartment, a second compartment, and a third compartment. The first and second compartments are used for refrigeration, and the second compartment is used for freezing. There are two doors 100: a first door 110 and a second door 120. The first door 110 corresponds one-to-one with the positions of the first and second compartments, while the second door 120 corresponds to the position of the third compartment. In this case, the first door 110 can be used to simultaneously open or close the first and second compartments, while the second door 120 can be used to independently control the opening and closing of the third compartment.

[0088] In this embodiment, each door 100 can correspond to a single storage space, in which case the door 100 can control the opening and closing state of the storage space independently. In actual use, depending on the needs, each door 100 can also correspond to multiple adjacent storage spaces, in which case the door 100 can control the opening and closing state of the multiple storage spaces simultaneously.

[0089] In an optional embodiment, hinge 400 includes a first hinge 410 disposed on the top wall of housing 500; and / or,

[0090] The second hinge 420 is disposed on the front of the housing 500; and / or,

[0091] The third hinge 430 is located on the front of the housing 500, between the first hinge 410 and the second hinge 420.

[0092] In practical applications, when there are multiple doors 100, these multiple doors 100 can be spaced apart along the height direction of the box body 500. At this time, the door 100 located at the top can be rotatably connected to the box body 500 via the first hinge 410, and the door 100 located at the bottom can be rotatably connected to the box body 500 via the third hinge 430.

[0093] Therefore, by setting the first hinge 410 and the third hinge 430, the top and bottom doors 100 can be opened or closed respectively for their respective storage spaces.

[0094] In order to effectively realize the installation of the door 100, the hinge 400 may also include a second hinge 420, wherein the second hinge 420 is disposed on the front of the housing 500 and is located between the first hinge 410 and the third hinge 430.

[0095] For example, since multiple cabinet doors 100 are spaced apart along the height direction of the cabinet body 500, a second hinge 420 may be provided between two adjacent cabinet doors 100, and at least one of the two adjacent cabinet doors 100 can be rotatably connected to the cabinet body 500 by means of the second hinge 420.

[0096] In practical applications, the number of second hinges 420 can be one or two. For example, when there is one second hinge 420, the two adjacent cabinet doors 100 can be simultaneously connected to the second hinge 420 and rotatably connected to the cabinet body 500 via the single second hinge 420. When there are two second hinges 420, the two second hinges 420 can be spaced apart along the height direction of the cabinet body 500. In this case, the two adjacent cabinet doors 100 can be hinged to the two second hinges 420 respectively, and then rotatably connected to the cabinet body 500 via their respective second hinges 420.

[0097] For example, as shown in FIG2, when the door assembly includes a first door 110 and a second door 120, the first door 110 is rotatably connected to the housing 500 via a first hinge 410 and a second hinge 420, and the second door 120 is rotatably connected to the housing 500 via a second hinge 420 and a third hinge 430. In this case, a traction assembly 310 is provided near the first hinge 410 corresponding to the first door 110, and the traction assembly 310 is located on the upper crossbeam 501; or, a traction assembly 310 is provided near the second hinge 420 corresponding to the first door 110, and the traction assembly 310 is located on the middle crossbeam 502; or, a traction assembly 310 is provided near the second hinge 420 corresponding to the second door 120, and the traction assembly 310 is located on the middle crossbeam 502; or, a traction assembly 310 is provided near the third hinge 430 corresponding to the second door 120, and the traction assembly 310 is located on the lower crossbeam 503. In other words, the first door 110 can be equipped with one or two traction components 310, and the second door 120 can be equipped with one or two traction components 310.

[0098] In an optional embodiment, there are two doors 100, and the two doors 100 are arranged along the height or width direction of the box body 500; or,

[0099] There are three doors 100, and the three doors 100 are arranged along the height of the box body 500.

[0100] There are four boxes 100, namely the first box door 110, the second box door 120, the third box door 100 and the fourth box door 100. The first box door 110 and the second box door 120 are arranged side by side along the width direction of the box body 500, the third box door 100 and the fourth box door 100 are arranged side by side along the width direction of the box body 500, the first box door 110 and the third box door 100 are arranged side by side along the height direction of the box body 500, and the second box door 120 and the fourth box door 100 are arranged side by side along the height direction of the box body 500.

[0101] Further, in one embodiment, as shown in FIG6, the first hinge 410 includes a first hinge plate 411 and a first hinge shaft 412. A portion of the first hinge plate 411 covers the top wall of the housing 500 and the remaining portion protrudes from the top wall toward the first door 110. The first hinge shaft 412 extends downward from the portion of the first hinge plate 411 that protrudes from the top wall. The top of the first door 110 is hinged to the first hinge shaft 412. The traction assembly 310 is disposed in the first mounting area A, which is located close to the first hinge plate 411.

[0102] For example, the first hinge plate 411 and the first hinge shaft 412 can be made of metal or non-metal materials with a certain structural strength. The first hinge plate 411 includes a first fitting part and a first protrusion that are connected to each other. The first fitting part is provided with a plurality of mounting holes. The first hinge shaft 412 is fixedly mounted on the first protrusion by means of welding or threaded connection.

[0103] During actual installation, multiple threaded holes can be pre-set on the top wall of the housing 500. Then, the first fitting part of the first hinge plate 411 is fitted to the top wall of the housing 500, and the mounting holes on the first fitting part are aligned with the threaded holes. The first fitting part is then fixed to the top wall of the housing 500 with bolts. At this time, the first fitting part can cover and fit to the top wall of the housing 500, the first protrusion can protrude from the top wall toward the door 100, and the first hinge shaft 412 can extend downward along the height direction of the housing 500.

[0104] Based on this, when installing the door 100, a hinge hole can be provided in advance on the top of the door 100 corresponding to the first hinge 410, and then the first hinge shaft 412 can be inserted into the hinge hole, thereby realizing the installation of the door 100.

[0105] Correspondingly, as shown in Figure 2, the traction assembly 310 located on the upper crossbeam 501 of the box body 500 is positioned close to the first hinge 410. Under the action of the traction assembly 310, the sliding door assembly 320 can drive the cabinet door 200 corresponding to the first box door 110 to move in the width direction relative to the first box door 110.

[0106] Thus, the traction assembly 310 located on the upper crossbeam 501 of the housing 500 is positioned close to the first hinge plate 411. Furthermore, as shown in Figure 3, the traction assembly 310 is positioned within a first mounting area A, which includes a first side, a second side, a third side, and a fourth side. The first and third sides are positioned opposite each other, as are the second and fourth sides. The first side lies within the plane containing the first hinge plate 411, and the second side lies within the plane containing the side surface of the housing 500. A first distance is maintained between the third and first sides in the height direction of the housing 500, and a second distance is maintained between the fourth and second sides in the width direction of the housing 500.

[0107] In an optional embodiment, the first distance is greater than zero and less than or equal to 60 mm, and the second distance is greater than zero and less than or equal to 100 mm. For example, the second distance is 20 mm, 40 mm, 60 mm, 80 mm, or 100 mm, and the first distance is 20 mm, 30 mm, 50 mm, or 60 mm.

[0108] Further, in one embodiment, as shown in FIG7, the second hinge 420 includes a second hinge plate 421, a second hinge shaft 422, and a third hinge shaft 423. The second hinge plate 421 includes a mounting plate 4211 and a connecting plate 4212. The mounting plate 4211 is mounted on the front side (middle crossbeam 502) of the housing 500. The connecting plate 4212 is connected to the side of the mounting plate 4211 away from the front side of the housing 500. The connecting plate 4212 and the mounting plate 4211 are arranged at an angle. The connecting plate 4212 has a first side and a second side opposite to each other. The second hinge shaft 422 is disposed on the first side. The bottom of the first door 110 is hinged to the second hinge shaft 422. The second hinge shaft 422 is disposed on the second side. The top of the second door 120 is hinged to the second hinge shaft 422.

[0109] For example, the second hinge plate 421 can be made of a metal or non-metal material with a certain structural strength. The second hinge plate 421 includes an interconnected mounting plate 4211 and a connecting plate 4212. The connecting plate 4212 is generally perpendicular to the mounting plate 4211, and the mounting plate 4211 is provided with multiple mounting holes. In actual manufacturing, the mounting plate 4211 and the connecting plate 4212 can be integrally formed on the same sheet metal. Then, the connecting plate 4212 can be bent relative to the mounting plate 4211 by stamping and folding.

[0110] The two sides of the connecting plate 4212 in the thickness direction are the first side and the second side, respectively. The first side is fixedly connected to the first hinge shaft 412, and the second side is fixedly connected to the second hinge shaft 422.

[0111] In actual manufacturing, the second hinge shaft 422 and the third hinge shaft 423 can be fixedly connected to the connecting plate 4212 by welding. Alternatively, the second hinge shaft 422 and the third hinge shaft 423 can be constructed as a single long rod-shaped component. The connecting plate 4212 is provided with a through hole extending along its thickness direction. The single component is inserted into the through hole and fixed in the through hole by welding or threaded connection. The two ends of the single component in the length direction on the connecting plate 4212 are respectively formed as the second hinge shaft 422 and the third hinge shaft 423.

[0112] During actual installation, multiple threaded holes can be pre-set on the front of the box body 500 according to the installation position of the box door 100. For example, as shown in Figure 2, multiple threaded holes are set on the front of the box body 500 corresponding to the gap between the first box door 110 and the second box door 120. Then, the mounting holes on the mounting plate 4211 of the first hinge plate 411 are aligned with the threaded holes. The mounting plate 4211 is then fixed to the front of the box body 500 with bolts. At this time, the connecting plate 4212 extends toward the box door 100. At the same time, the first hinge shaft 412 extends upward along the height direction of the box body 500, and the second hinge shaft 422 extends downward along the height direction of the box body 500.

[0113] Based on this, when installing the box door 100, a hinge hole can be provided in advance at the bottom of the first box door 110 corresponding to the second hinge shaft 422, and a hinge hole can be provided in advance at the top of the second box door 120 corresponding to the third hinge shaft 423. Then, the first hinge shaft 412 and the second hinge shaft 422 can be inserted into the hinge holes of their respective box doors 100, thereby realizing the installation of the box door 100.

[0114] Thus, the traction assembly 310 located on the middle crossbeam 502 of the housing 500 is positioned close to the mounting plate 4211.

[0115] As shown in Figure 4, when the second installation area B is located above the mounting plate 4211, the second installation area B includes a first side, a second side, a third side, and a fourth side. The first side and the third side are arranged opposite each other, and the second side and the fourth side are arranged opposite each other. The first side is the top edge of the mounting plate 4211, and the second side is located in the plane where the side of the box 500 is located. In the height direction of the box 500, there is a third distance between the third side and the first side; in the width direction of the box 500, there is a fourth distance between the fourth side and the second side. At this time, the traction component 310 corresponding to the first box door 110 is located in the second installation area B.

[0116] When the second mounting area B is located below the mounting plate 4211, the second mounting area B includes a first side, a second side, a third side, and a fourth side. The first and third sides are arranged opposite each other, and the second and fourth sides are arranged opposite each other. The first side is the bottom edge of the mounting plate 4211, and the second side is located in the plane containing the side of the housing 500. In the height direction of the housing 500, a fifth distance is left between the third side and the first side; in the width direction of the housing 500, a sixth distance is left between the fourth side and the second side. At this time, the traction assembly 310 corresponding to the second door 120 is located within the second mounting area B.

[0117] In an optional embodiment, the third distance is greater than zero and less than or equal to 60 mm, and the fourth distance is greater than zero and less than or equal to 100 mm. For example, the fourth distance is 20 mm, 40 mm, 60 mm, 80 mm, or 100 mm, and the third distance is 20 mm, 30 mm, 50 mm, or 60 mm.

[0118] The fifth distance is greater than zero and less than or equal to 60mm, and the sixth distance is greater than zero and less than or equal to 100mm. For example, the sixth distance is 20mm, 40mm, 60mm, 80mm, and 100mm, and the fifth distance is 20mm, 30mm, 50mm, and 60mm.

[0119] Further, in one embodiment, as shown in FIG8, the third hinge 430 includes a third hinge plate 431 and a fourth hinge shaft 432. The third hinge plate 431 includes a support plate 4311 and an extension plate 4312. The support plate 4311 is installed on the front of the housing 500, and the extension plate 4312 is connected to the side of the support plate 4311 away from the front of the housing 500. The support plate 4311 and the extension plate 4312 are arranged at an angle. The fourth hinge shaft 432 is disposed on the top surface of the extension plate 4312 and extends upward. The bottom of the second door 120 is hinged to the third hinge shaft 423.

[0120] Similarly, the third hinge plate 431 can also be made of metal or non-metal materials with a certain structural strength. The second hinge plate 421 includes a support plate 4311 and an extension plate 4312 connected to each other. The extension plate 4312 is approximately perpendicular to the support plate 4311. The two can be integrally formed by stamping or other methods. The support plate 4311 is provided with multiple mounting holes. The fourth hinge shaft 432 is fixedly mounted on the extension plate 4312 by welding or threaded connection or other methods.

[0121] During actual installation, multiple threaded holes can be pre-set on the front of the housing 500 near the bottom. Then, one side of the support plate 4311 in the thickness direction is attached to the front of the housing 500. Next, the mounting holes on the support plate 4311 are aligned with the threaded holes. Then, the support plate 4311 is fixed to the front of the housing 500 with bolts. The extension plate 4312 is connected to the other side of the support plate 4311 in the thickness direction and extends toward the direction of the door 100. In addition, the fourth hinge shaft 432 extends upward along the height direction of the housing 500.

[0122] Based on this, when installing the door 100, a hinge hole can be set at the bottom of the door 100 corresponding to the second hinge 420 in advance, and then the fourth hinge shaft 432 can be inserted into the hinge hole, thereby realizing the installation of the door 100.

[0123] Thus, the traction assembly 310 located on the lower crossbeam 503 of the housing 500 is positioned close to the second hinge plate 421. As shown in Figure 5, the traction assembly 310 is positioned within the third mounting area CA. In other words, the traction assembly 310 corresponding to the second door 120 is positioned within the third mounting area C. The third mounting area CA includes a first side, a second side, a third side, and a fourth side. The first and third sides are positioned opposite each other, as are the second and fourth sides. The first side supports the top edge of the plate 4311. The second side is located in the plane containing the side of the housing 500. In the height direction of the housing 500, a seventh distance is left between the third side and the first side; in the width direction of the housing 500, an eighth distance is left between the fourth side and the second side.

[0124] In an optional embodiment, the seventh distance is greater than zero and less than or equal to 60 mm, and the eighth distance is greater than zero and less than or equal to 100 mm. For example, the eighth distance is 20 mm, 40 mm, 60 mm, 80 mm, or 100 mm, and the seventh distance is 20 mm, 30 mm, 50 mm, or 60 mm.

[0125] In one specific embodiment, as shown in Figure 2, the box body 500 has two storage spaces spaced apart along its height. A first hinge 410 is provided at the top of the box body 500, a third hinge 430 is provided at the bottom of the box body 500, and a second hinge 420 is provided in the middle of the box body 500, approximately between the two storage spaces. The door device includes two doors 100, namely a first door 110 and a second door 120, which are spaced apart along the height of the box body 500. The first door 110 and the second door 120 correspond to the two storage spaces of the box body 500, respectively. During installation, the top of the first door 110 is hinged to the first hinge axis 412 of the first hinge 410, the bottom of the first door 110 is hinged to the second hinge axis 422 of the second hinge 420, the top of the second door 120 is hinged to the third hinge axis 423 of the second hinge 420, and the bottom of the second door 120 is hinged to the fourth hinge axis 432 of the third hinge 430. Thus, through this arrangement, the first door 110 and the second door 120 can be rotatably connected to the housing 500.

[0126] In an optional embodiment, as shown in Figures 14, 15, and 16, the driven guide rail mechanism 600 includes a driven structure 601 and a hooking structure 602. The driven structure 601 includes a slide rail 6011 and a slider 6012. The slide rail 6011 is disposed on the cabinet door 100 and extends along the width direction of the cabinet door 100. The slider 6012 is movably disposed on the slide rail 6011. The hooking structure 602 includes a snap-fit ​​connector 6021 and an elastic snap-fit ​​seat 6022. The snap-fit ​​connector 6021 and the elastic snap-fit ​​seat 6022 are respectively disposed on the slider 6012 and the cabinet door 200. The snap-fit ​​connector 6021 can press the elastic snap-fit ​​seat 6022 along the thickness direction of the cabinet door 200, thereby snapping with the elastic snap-fit ​​seat 6022.

[0127] Understandably, the door assembly is used in refrigeration equipment such as refrigerators and freezers. The cabinet 500 of the refrigeration equipment is equipped with a hinge 400, and the door 100 is rotatably connected to the cabinet 500 via the hinge 400 to allow the door 100 to open or close relative to the cabinet 500. A cabinet door 200 is provided on the outer side of the door 100 to ensure that the appearance of the refrigeration equipment is consistent with the surrounding cabinetry, resulting in better harmony between the refrigeration equipment and its surrounding environment.

[0128] For the driven structure 601, the slide rail 6011 can be a C-shaped guide rail, and the slider 6012 can be a slider. At least part of the slider 6012 is movably disposed in the groove of the C-shaped guide rail along the extension direction of the C-shaped guide rail.

[0129] For the hook-on structure 602, the snap-fit ​​connector 6021 and the elastic snap-fit ​​seat 6022 are arranged opposite to each other along the thickness direction of the cabinet door 200. The elastic snap-fit ​​seat 6022 has snap-fit ​​notches, snap-fit ​​cavities and other snap-fit ​​structures that are adapted to the snap-fit ​​connector 6021. The snap-fit ​​connector 6021 can be embedded into the snap-fit ​​structure to realize the snap-fit ​​between the snap-fit ​​connector 6021 and the elastic snap-fit ​​seat 6022.

[0130] Meanwhile, to ensure that the snap-fit ​​connector 6021 and the flexible snap-fit ​​base 6022 can reliably complete the snap-fit, the hardness of the snap-fit ​​connector 6021 is greater than that of the flexible snap-fit ​​base 6022; for example, the snap-fit ​​connector 6021 can be made of stainless steel, and the flexible snap-fit ​​base 6022 can be made of plastic; as the snap-fit ​​connector 6021 approaches the flexible snap-fit ​​base 6022 along the thickness direction of the cabinet door 200, the flexible snap-fit ​​base 6022 will deform under the compression of the snap-fit ​​connector 6021 until the snap-fit ​​connector 6021 is snapped into the snap-fit ​​structure of the flexible snap-fit ​​base 6022. This design can prevent the snap-fit ​​connector 6021 from detaching from the flexible snap-fit ​​base 6022.

[0131] When the snap-fit ​​connector 6021 and the elastic snap-fit ​​base 6022 are snapped together, the elastic snap-fit ​​base 6022 can be in a deformed state. At this time, the snap-fit ​​connector 6021 and the elastic snap-fit ​​base 6022 are snapped together by an interference fit.

[0132] Of course, in this embodiment, the snap-fit ​​structure on the snap-fit ​​connector 6021 and the elastic snap-fit ​​base 6022 can be adapted so that when the snap-fit ​​connector 6021 and the elastic snap-fit ​​base 6022 are completed, the elastic snap-fit ​​base 6022 can also return to its initial state (the state in which the snap-fit ​​connector 6021 is not snapped in the elastic snap-fit ​​base 6022). At this time, the snap-fit ​​connector 6021 is limited to the snap-fit ​​structure of the elastic snap-fit ​​base 6022.

[0133] As can be seen from the above, by setting a driven structure 601 and a hooking structure 602 between the cabinet door 100 and the cabinet door 200, the driven structure 601 includes a sliding rail 6011 and a sliding member 6012. When installing the cabinet door 200, the snap-fit ​​connector 6021 and the elastic seat 6022 of the hooking structure 602 can be pre-positioned on the sliding member 6012 and the cabinet door 200 respectively. Then, the sliding rail 6011 of the driven structure 601 is connected to the cabinet door 100 to realize the installation of the driven structure 601. Then, the cabinet door 200 is driven closer to the cabinet door 100 along the thickness direction, so that the snap-fit ​​connector 6021 can press the elastic seat 6022 along the thickness direction and engage with the elastic seat 6022. This facilitates the installation of the cabinet door 200 and ensures that the cabinet door 200 can move relative to the cabinet door 100 along the width direction of the cabinet door 100.

[0134] Furthermore, in practical applications, when the refrigeration equipment is installed and used in a recessed manner relative to the cabinet, the cabinet door 200 can move relative to the cabinet door 100 along the width direction during the opening or closing of the cabinet door 100, so as to avoid the cabinet door 200 touching the surrounding cabinets during the opening and closing of the cabinet door 100, thus meeting the normal opening and closing requirements of the refrigeration equipment cabinet door 100.

[0135] In some embodiments, the card connector 6021 is provided on the side of the slider 6012 facing the cabinet door 200, and the elastic card seat 6022 is provided on the side of the cabinet door 200 facing the slider 6012. This design can minimize the installation gap between the cabinet door 100 and the cabinet door 200.

[0136] The card connector 6021 and the sliding component 6012 can be designed as an integrated structure, and the elastic card seat 6022 can be detachably connected to the cabinet door 200 by bolts, rivets and other locking components.

[0137] Of course, in this embodiment, the elastic card holder 6022 can also be provided on the side of the sliding member 6012 facing the cabinet door 200, and the card connector 6021 can be provided on the side of the cabinet door 200 facing the sliding member 6012.

[0138] In some embodiments, the resilient card holder 6022 has a card slot 602211, the card connector 6021 and the card slot 602211 are adapted to each other and are arranged opposite to each other along the thickness direction of the cabinet door 200.

[0139] It is understandable that when the card connector 6021 and the card slot 602211 are set opposite each other along the thickness direction of the cabinet door 200, the slot opening of the card slot 602211 is set towards the card connector 6021 along the thickness direction.

[0140] During the engagement of the snap-fit ​​connector 6021 and the flexible snap-fit ​​base 6022, the snap-fit ​​connector 6021 presses against the opening of the snap-fit ​​groove 602211 along the thickness direction of the cabinet door 200. The opening of the snap-fit ​​groove 602211 enlarges under the pressure of the snap-fit ​​connector 6021 to allow the snap-fit ​​connector 6021 to pass through. After the snap-fit ​​connector 6021 enters the snap-fit ​​groove 602211, the opening of the snap-fit ​​groove 602211 contracts back to its initial state. At this time, the snap-fit ​​connector 6021 is confined within the snap-fit ​​groove 602211, and the snap-fit ​​connector 6021 and the flexible snap-fit ​​base 6022 are engaged. Unless subjected to external force along the thickness direction again, the two are not easily separated.

[0141] In some embodiments, to facilitate the snap-fit ​​between the snap-fit ​​connector 6021 and the elastic snap-fit ​​base 6022, the snap-fit ​​connector 6021 includes a spherical head 60211, and the snap-fit ​​groove 602211 includes a spherical groove. The spherical head 60211 is adapted to the spherical groove, and the diameter of the groove opening of the spherical groove is smaller than the inner diameter of the spherical groove.

[0142] Understandably, by designing the snap-fit ​​groove 602211 as a spherical groove, the structural stability of the elastic snap-fit ​​seat 6022 can be ensured, so that the elastic snap-fit ​​seat 6022 can smoothly return to its initial state when squeezed by the spherical head 60211, thereby confining the spherical head 60211 within the spherical groove.

[0143] The diameter of the spherical head 60211 is the same as the inner diameter of the spherical groove. The spherical head 60211 can be designed as / of the entire sphere, and the inner cavity of the spherical groove is correspondingly designed as / of the entire sphere. The plane where the groove opening of the spherical groove is located is perpendicular to the thickness direction of the cabinet door 200.

[0144] In some embodiments, the elastic card holder 6022 includes a card holder body 60221 and a fixing ear 60222, the card holder body 60221 and the fixing ear 60222 are connected, the card slot 602211 is provided on the card holder body 60221, and the fixing ear 60222 is connected to the cabinet door 200.

[0145] Specifically, the fixing ear 60222 is provided with a mounting hole, and the fixing ear 60222 can be fixed to the cabinet door 200 by means of a locking bolt or locking screw passing through the mounting hole.

[0146] Furthermore, in order to ensure that the flexible card holder 6022 is reliably fixed to the cabinet door 200, the flexible card holder 6022 can be provided with multiple fixing ears 60222, which are arranged around the card holder body 60221.

[0147] Optionally, at least two fixing ears 60222 can be provided, with at least one fixing ear 60222 being provided on the upper side of the card holder body 60221 along the height direction of the cabinet door 200.

[0148] For example, there are three fixing ears 60222. One fixing ear 60222 is located on the upper side of the card holder body 60221 along the height direction of the cabinet door 200, and the other two fixing ears 60222 are located on the left and right sides of the card holder body 60221 along the width direction.

[0149] In some embodiments, in order to ensure that the cabinet door 200 is reliably installed on the box door 100, the sliding member 6012 is provided with a plurality of snap-fit ​​connectors 6021 and a plurality of elastic card seats 6022 are provided; the plurality of snap-fit ​​connectors 6021 are arranged along the width direction and are arranged opposite to the plurality of elastic card seats 6022 one by one.

[0150] In some embodiments, the slider 6012 includes a ball bearing bracket 60121 and an adapter 60122; the ball bearing bracket 60121 is movably disposed on the slide rail 6011 along the width direction, the adapter 60122 is connected to the ball bearing bracket 60121, and a support member is disposed on the adapter 60122.

[0151] Understandably, the slide rail 6011 can be a C-shaped guide rail, and the ball bearing bracket 60121 and the slide rail 6011 can be rolled together by balls, so that the slider 6012 can move smoothly relative to the slide rail 6011 without any abnormal noise during the movement.

[0152] Meanwhile, the adapter 60122 and the ball bearing bracket 60121 can be connected by welding. The adapter 60122 can be provided with the support member shown in the above embodiment so as to support the cabinet door 200.

[0153] Furthermore, along the extension direction of the slide rail 6011, the extension length of the ball bearing bracket 60121 can be set to be greater than the extension direction of the adapter 60122. This design can increase the contact area between the ball bearing bracket 60121 and the slide rail 6011, and reduce the contact friction between the ball bearing bracket 60121 and the slide rail 6011, thereby ensuring the stability and reliability of the movement of the sliding member 6012 relative to the slide rail 6011.

[0154] In some embodiments, in order to ensure the stability and reliability of the movement of the cabinet door 200 relative to the box door 100, multiple sets of driven structure 601 and hanging structure 602 are provided and arranged in a one-to-one correspondence. At least one set of driven structure 601 is located between the upper end of the box door 100 and the upper end of the cabinet door 200, and at least one set of driven structure 601 is located between the lower end of the box door 100 and the lower end of the cabinet door 200.

[0155] Specifically, there are four sets of driven structures 601. Two sets of driven structures 601 are arranged along the width direction of the box door 100 and are located between the upper end of the box door 100 and the upper end of the cabinet door 200. The other two sets of driven structures 601 are arranged along the width direction of the box door 100 and are located between the lower end of the box door 100 and the lower end of the cabinet door 200.

[0156] In some embodiments, the door 100 is provided with a groove, and the driven structure 601 is disposed in the groove; the door assembly also includes a decorative element, which is used to cover the groove end of the groove.

[0157] Understandably, when the cabinet door 200 is installed on the outside of the cabinet door 100, the driven structure 601 on the cabinet door 100 is connected to the cabinet door 200 through the hook structure 602, and at this time there are no decorative parts at the groove end of the groove.

[0158] In some application scenarios, if the cabinet door 200 is no longer installed on the outside of the cabinet door 100, the driven structure 601 is no longer used. By placing the decorative piece on the groove end of the groove, the driven structure 601 can be hidden, ensuring the aesthetic appearance of the cabinet door 100.

[0159] In one embodiment, to ensure that the traction assembly 310 can drive the sliding door assembly 320 to move, the traction assembly 310 includes a traction rod 311, a first pivot fixing seat 312, and a second pivot fixing seat 313. The first pivot fixing seat 312 is connected to the sliding door assembly 320, and the second pivot fixing seat 313 is connected to the front of the cabinet 500. One end of the traction rod 311 is rotatably connected to the first pivot fixing seat 312, and the other end of the traction rod 311 is rotatably connected to the second pivot fixing seat 313. During the opening or closing of the cabinet door 100, the traction rod 311 drives the sliding door assembly 320 to move, thereby causing the cabinet door 200 to move relative to the width direction of the cabinet door 100. The second pivot fixing seat 313 is located within the installation area (first installation area A, second installation area B, and third installation area C). For example, the second pivot fixing seat 313 is installed in the installation area by screws.

[0160] For example, the hinge 400 may include a hinge plate and a hinge shaft, with the hinge shaft fixedly mounted on the hinge plate by welding or other means. During actual installation, the hinge plate can be fixed to the housing 500 using bolts or similar structures. The door 100 may have pre-drilled threaded holes. After the hinge plate is fixed to the housing 500, the hinge shaft can be inserted into the hinge holes of the door 100, thereby achieving a rotatable connection between the door 100 and the housing 500.

[0161] In the traction assembly 310, the first pivot fixing seat 312 is disposed on the sliding door assembly 320, and the second pivot fixing seat 313 is disposed on the front and close to the hinge plate. The two ends of the traction rod 311 are rotatably connected to the first pivot fixing seat 312 and the second pivot fixing seat 313, respectively.

[0162] In actual use, when the cabinet door 100 rotates relative to the cabinet body 500 between the open and closed storage space positions, the traction component 310 can pull the sliding door component 320 to move, thereby causing the sliding door component 320 to drive the cabinet door 200 to move relative to the cabinet door 100 in the width direction of the cabinet door 100.

[0163] Furthermore, in one embodiment, in order for the sliding door assembly 320 to effectively drive the cabinet door 200 to move relative to the box door 100 under the drive of the traction assembly 310, as shown in Figures 9 and 10, the sliding door assembly 320 includes: a base 321, a first slider 322, a second slider 323, and a connector 324.

[0164] Specifically, a first guide rail is formed on one side of the base 321 and a second guide rail is formed on the other side; a first slider 322 is slidably disposed on the first guide rail, and a first rotating shaft fixing seat 312 is connected to the first slider 322; a second slider 323 is slidably disposed on the second guide rail and is connected to the cabinet door 200; the two ends of the connector 324 are respectively connected to the first slider 322 and the second slider 323.

[0165] During the opening or closing of the door 100, the traction rod 311 drives the first slider 322 to move on the first guide rail, and the first slider 322 drives the second slider 323 to move in the opposite direction on the second guide rail through the connector 324.

[0166] For example, the base 321 has a first guide rail and a second guide rail arranged side by side and spaced apart. A first slider 322 is disposed on the first guide rail and is slidable along the length direction of the first guide rail. A second slider 323 is disposed on the second guide rail and is slidable along the length direction of the second guide rail. The first slider 322 and the second slider 323 are connected by a connector 324. When the first slider 322 moves on the first guide rail, the first slider 322 can pull the second slider 323 to move on the second guide rail via the connector 324, and the direction of movement of the second slider 323 is opposite to the direction of movement of the first slider 322.

[0167] As a specific implementation, as shown in Figures 9 and 10, the base 321 has a first side and a second side on opposite sides along its thickness direction. Each side has a U-shaped groove. The U-shaped groove on the first side serves as a first guide rail, and the U-shaped groove on the second side serves as a second guide rail. The first and second guide rails extend along the length of the base 321. A first slider 322 is slidably disposed in the first guide rail, and a second slider 323 is slidably disposed in the second guide rail. Furthermore, a first rotating shaft fixing seat 312 is connected to the first slider 322, and the cabinet door 200 is fixedly connected to the second slider 323.

[0168] Considering the needs of practical applications, limiting structures can also be provided at the ends of the first and second guide rails. By limiting the first slider 322 and the second slider 323, the movement range can be set so that the movement distance can be set according to the requirements to meet the usage requirements of different occasions.

[0169] Accordingly, the traction rod 311 is constructed as a long straight rod, with one end of the traction rod 311 rotatably connected to the first rotating shaft fixing seat 312 via the first rotating shaft, and the other end rotatably connected to the second rotating shaft fixing seat 313 via the second rotating shaft.

[0170] As one implementation method, as shown in Figure 10, the first rotating shaft fixing seat 312 includes a first vertical plate and a first horizontal plate, which are connected to each other to form an L-shaped structure. The first horizontal plate is provided with a shaft hole, in which a first rotating shaft is inserted. One end of the traction rod 311 is rotatably connected to the first rotating shaft, thereby being fixedly connected to the first rotating shaft fixing seat 312. The first vertical plate can be fixedly connected to the first slider 322 by welding or other methods.

[0171] Similarly, as shown in Figures 9 and 10, the second rotating shaft fixing seat 313 includes a second vertical plate and a second horizontal plate. The second vertical plate and the second horizontal plate are connected to each other and form an L-shaped structure. The second horizontal plate is provided with a shaft hole, in which a second rotating shaft can be inserted. The other end of the traction rod 311 is rotatably connected to the second rotating shaft, thereby rotatably connecting with the second rotating shaft fixing seat 313.

[0172] To ensure that the first slider 322 and the second slider 323 can move synchronously in opposite directions, the connector 324, exemplarily, includes a first connector 3241 and a second connector 3242, which are constructed as flexible ropes. Along the length of the base 321, the first connector 3241 passes around one end of the base 321, with its two ends entering the first and second guide rails respectively, and connecting to the first slider 322 and the second slider 323 respectively. Correspondingly, the second connector 3242 passes around the other end of the base 321, with its two ends also entering the first and second guide rails respectively, and connecting to the first slider 322 and the second slider 323 respectively. In this case, the two ends of the first connector 3241 are connected to the two ends of the second connector 3242 via the first slider 322 and the second slider 323, forming a generally annular structure.

[0173] In actual installation, after the hinge plate is fixedly installed on the housing 500, the second rotating shaft fixing seat 313 can be fixed on the front of the housing 500 with the help of bolts or other structures.

[0174] Next, the base 321 can be fixed to the door 100 using bolts or similar structures. For example, two connecting plates 325 are provided on both sides of the base 321 along its length, each having a through hole. During installation, external bolt holes can pass through the through holes in the two connecting plates 325 and connect to the door 100, thereby fixing the base 321 to the door 100.

[0175] Next, the cabinet door 200 is fixed to the second slider 323. For example, the cabinet door 200 can be fixedly connected to the second slider 323 by means of bolts or snap-fit ​​structures.

[0176] In actual use, as shown in Figures 9 and 10, when the cabinet door 100 moves relative to the cabinet body 500 from the position of closed storage space to the position of open storage space, the first pivot fixing seat 312 is fixed to the cabinet door 100 along with the hinge seat. During the rotation of the cabinet door 100, the first slider 322 will move along the first guide rail in the first direction. Correspondingly, the first slider 322 will pull the second slider 323 along the second guide rail in the second direction through the first connecting piece 3241. Since the base 321 is fixedly connected to the cabinet door 100 and the second slider 323 is fixedly connected to the cabinet door 200, the cabinet door 200 will move relative to the cabinet door 100 in the second direction. The first direction and the second direction are opposite, and both the first and second directions are parallel to the width direction of the cabinet door 100.

[0177] Correspondingly, when the cabinet door 100 moves relative to the cabinet body 500 from the position of opening the storage space to the position of closing the storage space, during the rotation of the cabinet door 100, the first slider 322 will move on the first guide rail in a direction opposite to the first direction. Correspondingly, the first slider 322 will pull the second slider 323 on the second guide rail in a direction opposite to the second direction through the second connector 3242. At this time, the cabinet door 200 will move relative to the cabinet door 100 in a direction opposite to the second direction.

[0178] Furthermore, in another specific implementation, as shown in Figures 11, 12 and 13, the base 321 is constructed as a plate-like structure with a certain length. The first guide rail and the second guide rail are respectively arranged on both sides of the width direction of the base 321. Moreover, both the first guide rail and the second guide rail extend along the length direction of the base 321. The first slider 322 is slidably arranged on the first guide rail, and the second slider 323 is slidably arranged on the second guide rail.

[0179] In some embodiments, the traction assembly includes a first link and a second link. A first end of the first link is rotatably disposed on a hinge 400, for example, on a hinge plate of the hinge 400.

[0180] The first end of the first connecting rod is rotatably disposed within the installation area. For example, the first end of the first connecting rod is mounted within the installation area via a rotating shaft fixing seat. The first end of the second connecting rod is rotatably connected to the second end of the first connecting rod; the second end of the second connecting rod is rotatably disposed on the door 100 and is connected to the first slider 322 via a gear disposed at the second end of the second connecting rod.

[0181] Understandably, the first link and the second link are connected by a hinge, and the first link and the second link can rotate relative to each other. The first link can rotate relative to the box body 500 degrees, and the second link can rotate relative to the box door 100 degrees.

[0182] When the second end of the second link moves in a circle around the hinge axis with the door 100, the distance between the second end of the second link and the first end of the first link changes because the first end of the first link is misaligned with the hinge axis. However, the position of the second end of the second link relative to the door 100 remains unchanged. This causes the second end of the second link to rotate around the door 100 and drive the second slider 323 to move the cabinet door 200 along the width direction of the door 100.

[0183] In practical applications, during the opening of the cabinet door 100, the cabinet door 100 drives the second end of the second connecting rod to rotate relative to the hinge axis. Based on the misaligned arrangement of the first end of the first connecting rod and the hinge axis, the distance between the first end of the first connecting rod and the second end of the second connecting rod increases, causing the second end of the second connecting rod to rotate clockwise relative to the cabinet door 100. This, in turn, controls the second slider 323 to drive the cabinet door 200 to move away from the hinge 400 along the width direction of the cabinet door 100, that is, to move to the left relative to the cabinet door 100. This avoids interference between the cabinet door 200 and the side cabinet door 200. During the closing process, the cabinet door 100 drives the second end of the second link to rotate relative to the hinge axis. Based on the misaligned arrangement of the first end of the first link and the hinge axis, the distance between the first end of the first link and the second end of the second link decreases, causing the second end of the second link to rotate counterclockwise relative to the cabinet door 100. This, in turn, controls the second slider 323 to drive the cabinet door 200 to move along the width direction of the cabinet door 100 towards the direction closer to the hinge 400, that is, to move to the right relative to the cabinet door 100. This ensures that when the cabinet door 100 is closed, the cabinet door 200 can avoid the cabinet door 200 on the side of the cabinet and reset the cabinet door 200.

[0184] In an optional embodiment, the first rotating shaft fixing seat 312 is connected to the first slider 322, and the cabinet door 200 can be fixedly connected to the second slider 323. The first and second guide rails are rails, and the first and second sliders 322 and 323 are sliding members adapted to and slidable along their respective guide rails. Furthermore, the sliding engagement of the first slider 322 with the first guide rail should at least include the presence of ball bearings between the first slider 322 and the first guide rail, and the sliding engagement of the second slider 323 with the second guide rail should at least include the presence of ball bearings between the second slider 323 and the second guide rail.

[0185] Accordingly, the traction rod 311 can be constructed as an arc-shaped rod, with one end of the traction rod 311 rotatably connected to the first rotating shaft fixing seat 312 via the first rotating shaft, and the other end rotatably connected to the second rotating shaft fixing seat 313 via the second rotating shaft.

[0186] In one implementation, the first rotating shaft fixing seat 312 is provided with a first clamping part, which includes two clamping plates arranged side by side at intervals. Each clamping plate has a corresponding pin hole, into which the first rotating shaft is inserted. One end of the traction rod 311 can be placed between the two clamping plates, and the end of the traction rod 311 is rotatably connected to the first rotating shaft. Thus, the traction rod 311 can be rotatably connected to the first rotating shaft fixing seat 312. Furthermore, the first rotating shaft fixing seat 312 can be fixedly connected to the first slider 322 by welding or other methods.

[0187] Similarly, the second rotating shaft fixing seat 313 is provided with a second clamping part, which also includes two clamping plates arranged side by side at intervals. The two clamping plates are respectively provided with pin holes. The second rotating shaft is inserted into the two pin holes at the same time. The other end of the traction rod 311 can be placed between the two clamping plates, and the end of the traction rod 311 is rotatably connected to the second rotating shaft. Thus, the traction rod 311 can be rotatably connected to the second rotating shaft fixing seat 313.

[0188] The first slider 322 and the second slider 323 are connected to each other via a connector 324. During movement, the first slider 322 can drive the second slider 323 to move in the opposite direction with the help of the connector 324.

[0189] In actual installation, after the hinge plate is fixedly installed on the housing 500, the second rotating shaft fixing seat 313 can be fixed to the front of the housing 500 using bolts or other structures. For example, the second rotating shaft fixing seat 313 is provided with a through hole, allowing external bolts to pass through this through hole and connect to the front of the housing 500 during installation, thereby fixing the second rotating shaft fixing seat 313 to the front of the housing 500.

[0190] Next, the base 321 can be fixed to the door 100 using bolts or similar structures. For example, a first receiving plate 326 and a second receiving plate 327 are respectively provided on both sides of the base 321 along its length, and through holes are provided on both the first receiving plate 326 and the second receiving plate 327. During installation, external bolt holes can pass through the through holes on the first receiving plate 326 and the second receiving plate 327 and connect to the door 100, thereby fixing the base 321 to the door 100.

[0191] Next, the cabinet door 200 is fixed to the second slider 323. For example, the cabinet door 200 can be fixedly connected to the second slider 323 by means of bolts or snap-fit ​​structures.

[0192] In actual use, when the cabinet door 100 moves relative to the cabinet body 500 from the position of closed storage space to the position of open storage space, the first pivot fixing seat 312, being fixed to the cabinet door 100 along with the hinge seat, will cause the first slider 322 to move along the third direction on the first guide rail during the rotation of the cabinet door 100. Correspondingly, the first slider 322 will pull the second slider 323 to move along the fourth direction on the second guide rail via the connector 324. Since the base 321 is fixedly connected to the cabinet door 100 and the second slider 323 is fixedly connected to the cabinet door 200, the cabinet door 200 will move relative to the cabinet door 100 along the fourth direction. The third direction is opposite to the fourth direction, and both the third and fourth directions are parallel to the width direction of the cabinet door 100.

[0193] Correspondingly, when the cabinet door 100 moves relative to the cabinet body 500 from the position of opening the storage space to the position of closing the storage space, during the rotation of the cabinet door 100, the first slider 322 will move on the first guide rail in the opposite direction to the third direction. Correspondingly, the first slider 322 will pull the second slider 323 on the second guide rail in the opposite direction to the fourth direction through the connector 324. At this time, the cabinet door 200 will move relative to the cabinet door 100 in the opposite direction to the fourth direction.

[0194] Furthermore, in one embodiment, in order to ensure that the first slider 322 can effectively drive the second slider 323 to move in the opposite direction, the connector 324 includes: a first connector 3241 and a second connector 3242.

[0195] The first connector 3241 bypasses one end of the base 321 and its two ends are respectively connected to one end of the first slider 322 and the second slider 323; the second connector 3242 bypasses the other end of the base 321 and its two ends are respectively connected to the other end of the first slider 322 and the second slider 323.

[0196] For example, the first connector 3241 can be a flexible rope. In the length direction of the base 321, one end of the first connector 3241 is connected to the first slider 322, and the other end is connected to the second slider 323 after passing around one end of the base 321. That is, in the length direction of the base 321, the first connector 3241 passes around one end of the base 321, and its two ends extend toward the first slider 322 and the second slider 323 respectively, and are connected to the first slider 322 and the second slider 323 respectively.

[0197] Correspondingly, one end of the second connector 3242 is connected to the first slider 322, and the other end is connected to the second slider 323 after passing around the other end of the base 321. That is, in the length direction of the base 321, the second connector 3242 passes around the other end of the base 321, and both ends are connected to the first slider 322 and the second slider 323 respectively.

[0198] At this time, the two ends of the first connector 3241 are connected to the two ends of the second connector 3242 via the first slider 322 and the second slider 323, respectively, forming a roughly ring-shaped structure.

[0199] For example, in order to ensure that the first connector 3241 and the second connector 3242 can pull the second slider 323 to move normally, the base 321 is provided with a first roller 328 and a second roller 329 on both sides in the length direction, respectively. The first roller 328 and the second roller 329 can support the first connector 3241 and the second connector 3242 respectively.

[0200] Specifically, as shown in Figure 13, there are two first rollers 328, which are spaced apart along the width of the base 321. Each of the two first rollers 328 is rotatably mounted on a first receiving seat. To facilitate the receiving of the first connecting member 3241, a receiving groove along its circumferential direction can be provided on the outer periphery of each first roller 328. Thus, when the first connecting member 3241 is installed, it can be placed in the receiving groove of the two first rollers 328. Subsequently, when the first slider 322 pulls the second slider 323 with the aid of the first connecting member 3241, the first connecting member 3241 can drive the two first rollers 328 to rotate.

[0201] Similarly, there are two second rollers 329, which are spaced apart along the width of the base 321. Each of the two second rollers 329 is rotatably mounted on the second receiving seat. To facilitate the receiving of the second connecting member 3242, the outer periphery of each second roller 329 may also be provided with a receiving groove along its circumferential direction. Thus, when installing the second connecting member 3242, it can be placed in the receiving groove of the two second rollers 329. Subsequently, when the first slider 322 pulls the second slider 323 with the aid of the second connecting member 3242, the second connecting member 3242 can drive the two second rollers 329 to rotate.

[0202] Therefore, in the above configuration, the first roller 328 can support and limit the first connector 3241, and the second roller 329 can support and limit the second connector 3242. The first roller 328 and the second roller 329 can prevent the first connector 3241 and the second connector 3242 from contacting other parts and causing wear and tear during movement, thus providing effective protection for the first connector 3241 and the second connector 3242.

[0203] In addition, as described above, this embodiment also provides a refrigeration device, which includes a cabinet 500 and a door device as described in the above embodiment. The cabinet 500 forms a storage space, and the door 100 is rotatably connected to the cabinet 500 via a hinge 400, which is suitable for opening or closing the storage space of the cabinet 500.

[0204] Finally, it should be noted that the terms "parallel" and "perpendicular" in the embodiments of this application should not be strictly limited to a geometric sense. At least manufacturing and installation errors should be considered. For example, an error of ±10° should be within the protection range of the embodiments of this application. Furthermore, the above embodiments are only used to illustrate the technical solutions of this application and are not intended to limit it. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A door device for a refrigeration device, the refrigeration device comprising a housing, wherein, include: A door is rotatably connected to the box body and is suitable for opening or closing the storage space of the box body. The thickness of the door is 18-60mm. A cabinet door and a driven guide rail mechanism, wherein the driven guide rail mechanism is configured to be disposed between the box door and the cabinet door, and the driven guide rail mechanism is used to guide the cabinet door to move relative to the box door, wherein the thickness of the cabinet door is 12-26mm; A sliding door mechanism includes a traction component and a sliding door component connected to each other. The traction component is disposed on the front of the cabinet body, and the sliding door component is disposed on the cabinet door and connected to the cabinet door. The traction component is configured to drive the sliding door component to move during the opening or closing of the cabinet door, thereby causing the cabinet door to move relative to the width direction of the cabinet door.

2. The door device according to claim 1, wherein, The number of cabinet doors is multiple, and each cabinet door corresponds to at least one of the storage spaces; Each of the said doors is rotatably connected to the box body via multiple hinges, and the traction assembly is disposed near at least one of the multiple hinges corresponding to each of the said doors.

3. The door device according to claim 2, wherein, The number of cabinet doors is two, and the two cabinet doors are arranged along the height direction or the width direction of the cabinet body; or... The number of cabinet doors is three, and the three cabinet doors are arranged along the height direction of the cabinet body; The container has four doors: a first door, a second door, a third door, and a fourth door. The first door and the second door are arranged side by side along the width of the container, the third door and the fourth door are arranged side by side along the width of the container, the first door and the third door are arranged side by side along the height of the container, and the second door and the fourth door are arranged side by side along the height of the container.

4. The door device according to claim 2, wherein, The hinge includes a first hinge disposed on the top wall of the housing; and / or A second hinge, wherein the second hinge is disposed on the front side of the housing; and / or, A third hinge is disposed on the front of the housing, and the third hinge is located between the first hinge and the second hinge.

5. The door assembly according to any one of claims 1 to 4, wherein, The driven guide rail mechanism includes: The driven structure includes a slide rail and a sliding member. The slide rail is disposed on the door and extends along the width direction of the door. The sliding member is movably disposed on the slide rail. The hook-and-mount structure includes a snap-fit ​​connector and an elastic snap-fit ​​seat, which are respectively disposed on the sliding member and the cabinet door. The elastic snap-fit ​​seat can deform under the compression of the snap-fit ​​connector and snap-fit ​​with the snap-fit ​​connector.

6. The door device according to claim 5, wherein, The elastic card holder has a card slot, the card connector and the card slot are adapted to each other and are arranged opposite each other along the thickness direction of the cabinet door.

7. The door assembly according to claim 6, wherein, The snap-fit ​​connector includes a spherical head, and the snap-fit ​​groove includes a spherical groove. The spherical head is adapted to the spherical groove, and the diameter of the opening of the spherical groove is smaller than the inner diameter of the spherical groove.

8. The door assembly according to any one of claims 1 to 4, wherein, The traction assembly includes a traction rod, a first rotating shaft fixing seat, and a second rotating shaft fixing seat; The first pivot fixing seat is connected to the sliding door assembly, the second pivot fixing seat is connected to the front of the housing, one end of the traction rod is rotatably connected to the first pivot fixing seat, and the other end of the traction rod is rotatably connected to the second pivot fixing seat; During the opening or closing of the cabinet door, the traction rod drives the sliding door assembly to move, thereby causing the cabinet door to move relative to the width direction of the cabinet door.

9. The door assembly according to any one of claims 1 to 4, wherein, The sliding door assembly includes: The first base has a first guide rail formed on one side and a second guide rail formed on the other side; A first slider is slidably mounted on the first guide rail, and the traction component is connected to the first slider; The second slider is slidably mounted on the second guide rail and connected to the cabinet door; The connector has two ends that are respectively connected to the first slider and the second slider; During the opening or closing of the door, the traction assembly drives the first slider to move on the first guide rail, and the first slider drives the second slider to move in the opposite direction on the second guide rail through the connector.

10. The sliding door device according to claim 9, wherein, The connector includes: The first connector bypasses one end of the first base and is connected at both ends to one end of the first slider and one end of the second slider, respectively. The second connector bypasses the other end of the first base, and its two ends are respectively connected to the other ends of the first slider and the second slider.

11. A refrigeration device, wherein, include: The box-shaped structure forms a storage space; The door device as described in any one of claims 1 to 10, wherein the cabinet door is rotatably connected to the cabinet and is adapted to open or close the storage space of the cabinet.

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