Door body assembly and refrigeration equipment

Abstract

The utility model relates to the technical field of household appliances, and provides a door body assembly and refrigeration equipment, the door body assembly comprises a box door, a sliding door mechanism, a cabinet door and a roller assembly, the box door is suitable for being rotatably connected with a box body of the refrigeration equipment, the sliding door mechanism is slidably connected with the box door, the cabinet door is connected to the box door, and the cabinet door slides relative to the box door through the sliding door mechanism. The rolling wheel assembly comprises a first rolling wheel and a second rolling wheel which are consistent in rolling direction, the first rolling wheel and the second rolling wheel are connected to the cabinet door and abut against the cabinet door in a rolling mode, and an included angle is formed between the axis of the first rolling wheel and the axis of the second rolling wheel. The box door drives the cabinet door to move towards the rotating side away from the box door through the sliding door mechanism, and the roller assembly rolls on the box door. And the first roller and the second roller can support the cabinet door from two dimensions, so that the moving stability of the cabinet door is improved.

Description

Technical Field

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

[0002] With the development of technology, embedded furniture is more and more popular among people. Taking an embedded refrigerator as an example, the refrigerator can be embedded in a cabinet, so as to improve the integration degree of the refrigerator and the home decoration style, and make the overall beauty of the room better. In some decoration styles, the cabinet door is connected to the door body of the embedded refrigerator, so that the cabinet door and the door body of the embedded refrigerator can be opened and closed synchronously, improving the convenience of using the refrigerator. However, the opening and closing of the cabinet door and the door body of the refrigerator are a difficult problem for existing embedded refrigerators. During the opening and closing process of the door body of the refrigerator, it is easy to interfere with the cabinet, resulting in wear or jamming, and the user experience is poor. Summary of the Utility Model

[0003] This application aims to solve at least one of the technical problems existing in the related art. For this purpose, this application proposes a door body assembly for a refrigeration device to solve the interference problem between the existing door body assembly and the cabinet during the opening and closing process, and reduce the occurrence of wear, jamming and other situations of the door body assembly.

[0004] This application also proposes a refrigeration device.

[0005] The door body assembly according to the first aspect embodiment of this application includes:

[0006] A box door, which is adapted to be rotatably connected to the box body of the refrigeration device;

[0007] A sliding door mechanism, which is slidably connected to the box door;

[0008] A cabinet door, which is connected to the box door, and the cabinet door slides relative to the box door through the sliding door mechanism;

[0009] A roller assembly, which includes a first roller and a second roller with the same rolling direction. Both the first roller and the second roller are connected to the cabinet door, and both the first roller and the second roller are in rolling contact with the box door. The axis of the first roller and the axis of the second roller are arranged at an angle;

[0010] During the opening process, the box door drives the cabinet door to move away from the rotating side of the box door through the sliding door mechanism, and the roller assembly rolls on the box door.

[0011] For the door assembly according to the embodiments of the present application, when opening the door, as the box door rotates relative to the box body, the sliding door mechanism slides relative to the box door at this time, and the cabinet door moves in the direction away from the side where the box door rotates, thereby avoiding interference between the edge of the cabinet door and the box door or the cabinet body of the cabinet. At the same time, when the cabinet door moves relative to the box door, relative movement is carried out through the roller assembly, with small friction, and the cabinet door moves more smoothly, improving the user experience. The first roller and the second roller can support the cabinet door from two dimensions respectively, improving the moving stability of the cabinet door. When closing the door, as the box door rotates relative to the box body, the sliding door mechanism can also drive the cabinet door to slide, realizing the relative movement between the box door and the cabinet door, and ensuring that the cabinet door can be normally closed.

[0012] According to an embodiment of the present application, a support slide rail is provided on the side of the box door facing the cabinet door, the cabinet door is connected to the support slide rail and slides along the support slide rail, and the first roller rolls along the support slide rail.

[0013] According to an embodiment of the present application, the bearing surface of the support slide rail for bearing the first roller protrudes outward with a protruding portion, the protruding portion extends along the extending direction of the support slide rail, and the second roller rolls along the protruding portion.

[0014] According to an embodiment of the present application, the roller assembly includes at least two of the first rollers, and the at least two first rollers are spaced apart in the sliding direction of the cabinet door;

[0015] And / or, the roller assembly includes at least two of the second rollers, and the at least two second rollers are spaced apart in the sliding direction of the cabinet door.

[0016] According to an embodiment of the present application, a support slide platform protrudes from the side of the cabinet door facing the box door, a support chute is provided on the support slide platform, a part of the support slide rail is clamped in the support chute, and the support slide platform moves along the support slide rail, and the first roller and the second roller are both installed on the support slide platform.

[0017] According to an embodiment of the present application, the first roller is located outside the support chute, and the second roller and the protruding portion are located inside the support chute.

[0018] According to an embodiment of the present application, the sliding door mechanism includes:

[0019] A first slider, which is slidably installed on the box door;

[0020] A connecting rod, one end of which is rotatably connected to the first slider and the other end is rotatably connected to the box body of the refrigeration equipment;

[0021] The second slider is slidably mounted on the door of the cabinet and is connected to the cabinet door. The second slider is drivingly connected to the first slider through a transmission member. During the door-opening process, the connecting rod moves to drive the first slider to slide relative to the door of the cabinet, and drives the second slider to slide in a direction away from the rotating side through the transmission member.

[0022] According to an embodiment of the present application, the first slider is provided with a first rack, and the second slider is provided with a second rack. The transmission member includes:

[0023] A first gear that meshes with the first rack;

[0024] A second gear that is coaxially arranged with the first gear and meshes with the second rack.

[0025] According to an embodiment of the present application, the first rack and the second rack are arranged in parallel, and the first rack and the second rack are located on opposite sides of the axis of the first gear.

[0026] The refrigeration device according to the second aspect embodiment of the present application includes a cabinet body and the above-mentioned door body assembly. The cabinet body forms an accommodation space, and the door body assembly is rotatably arranged on the cabinet body to open or close the accommodation space.

[0027] Additional aspects and advantages of the present application will be given in part in the following description, will become apparent in part from the following description, or will be understood through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application or related technologies, the following will briefly introduce the drawings required for use in the description of the embodiments or related technologies. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0029] Figure 1 It is a schematic structural diagram of the door body assembly provided by the embodiment of the present application.

[0030] Figure 2 It is a side view of the door body assembly provided by the embodiment of the present application.

[0031] Figure 3 It is a partial enlarged view of the roller assembly part in the door body assembly provided by the embodiment of the present application.

[0032] Figure 4 It is a schematic structural diagram of the refrigeration device provided by the embodiment of the present application.

[0033] Reference numerals:

[0034] 1. Cabinet; 11. First rotating part; 12. Second rotating part; 2. Cabinet door; 21. Door body; 22. Mounting part; 23. Horizontal part; 24. Vertical part; 25. First slide rail; 26. Second slide rail; 27. Support slide rail; 271. Protrusion; 3. Sliding door mechanism; 31. Link; 32. First slider; 321. First rack; 33. Second slider; 332. Second rack; 333. Avoidance groove; 34. First gear; 35. Second gear; 4. Cabinet door; 43. Support slide table; 431. Support chute; 6. Roller assembly; 61. First roller; 62. Second roller. Detailed implementation manners

[0035] The following further describes in detail the implementation manners of the present application in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0036] In the description of the embodiments of the present application, it should be noted that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the embodiments of the present application. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0037] In the description of the embodiments of the present application, it should be noted that unless otherwise clearly specified and limited, the terms "connected" and "coupled" should be understood in a broad sense. For example, it may be a fixed connection, or a detachable connection, where the fixed connection may include an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific situations.

[0038] In the embodiments of the present application, unless otherwise clearly specified and limited, the first feature being "on" or "under" the second feature may mean that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the horizontal height of the first feature is less than that of the second feature.

[0039] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the embodiments of the present application. In this specification, the schematic descriptions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0040] In the built-in furniture, the refrigeration device can be embedded in the cabinet, wherein the cabinet door 4 is rotatably connected to the cabinet body of the cabinet, and the cabinet door 4 can be used to cover the cabinet body of the cabinet, so that the outer surface of the cabinet is combined with the home decoration style. The refrigeration device can be embedded in the cabinet, wherein the door 2 of the refrigeration device is rotatably connected to the box body 1 of the refrigeration device, and the door 2 of the refrigeration device can be used to cover the accommodation space inside the box body 1. The cabinet door 4 is rotatably connected to the cabinet body.

[0041] It should be noted that the door body assembly proposed in the present application can be used for the door body of a refrigerator, can also be used for the door body of a freezer, or the door body of other refrigeration devices with a rotational connection. The following describes the door body assembly of the present application with a refrigerator as the usage scenario.

[0042] The following will be combined with Figures 1 to 4 describe the door body assembly and the refrigeration device of the present application.

[0043] The door assembly according to the first aspect embodiment of the present application includes a box door 2, a sliding door mechanism 3, a cabinet door 4, and a roller assembly 6. The box door 2 is adapted to be rotatably connected to the cabinet body 1 of the refrigeration device. The sliding door mechanism 3 is slidably connected to the box door 2. The cabinet door 4 is connected to the box door 2. The cabinet door 4 slides relative to the box door 2 through the sliding door mechanism 3. The roller assembly 6 includes a first roller 61 and a second roller 62 with the same rolling direction. Both the first roller 61 and the second roller 62 are connected to the cabinet door 4. Both the first roller 61 and the second roller 62 are in rolling contact with the box door 2. The axis of the first roller 61 and the axis of the second roller 62 are arranged at an angle. During the door opening process, the box door 2 drives the cabinet door 4 to move away from the rotating side of the box door 2 through the sliding door mechanism 3, and the roller assembly 6 rolls on the box door 2.

[0044] For the door assembly according to the embodiment of the present application, when opening the door, as the box door 2 rotates relative to the cabinet body 1, the sliding door mechanism 3 slides relative to the box door 2 at this time, and the cabinet door 4 moves in the direction away from the rotating side of the box door 2, thereby avoiding interference between the edge of the cabinet door 4 and the box door 2 or the cabinet body of the cabinet. At the same time, when the cabinet door 4 moves relative to the box door 2, relative movement is carried out through the roller assembly 6, with small friction, and the cabinet door 4 moves more smoothly, improving the user experience. The first roller 61 and the second roller 62 can support the cabinet door 4 from two dimensions respectively, improving the moving stability of the cabinet door 4. When closing the door, as the box door 2 rotates relative to the cabinet body 1, the sliding door mechanism 3 can also drive the cabinet door 4 to slide, realizing the relative movement between the box door 2 and the cabinet door 4, and ensuring that the cabinet door 4 can be normally closed.

[0045] Please refer to Figure 1 and Figure 2 , and the following introduces the related structure of the relative sliding of the box door 2 and the cabinet door 4 through the sliding door mechanism 3:

[0046] According to an embodiment of the present application, it should be noted that one side of the box door 2 is rotatably connected to the cabinet body 1, and the position where the rotation axis is located is the rotating side of the box door 2. The function of the sliding door mechanism 3 is to drive the cabinet door 4 to move away from the rotating side of the box door 2 during the door opening process of the box door 2, so as to avoid interference between the cabinet door 4 and the side wall of the cabinet, the box door 2 or the cabinet body 1.

[0047] The sliding door mechanism 3 includes a first slider 32, a connecting rod 31 and a second slider 33. The first slider 32 is slidably mounted on the cabinet door 2. One end of the connecting rod 31 is rotatably connected to the first slider 32, and the other end is rotatably connected to the cabinet 1 of the refrigeration device. The second slider 33 is slidably mounted on the cabinet door 2 and is connected to the cabinet door 4. The second slider 33 and the first slider 32 are drivingly connected through a transmission member. During the door opening process, the connecting rod 31 moves to drive the first slider 32 to slide relative to the cabinet door 2, and drives the second slider 33 to slide in a direction away from the rotating side through the transmission member.

[0048] That is to say, the swing of the connecting rod 31 can push the first slider 32 to slide on the cabinet 1, and through the transmission member, the first slider 32 can drive the second slider 33 to also slide relative to the cabinet 1, so that the cabinet door 4 connected to the second slider 33 moves correspondingly relative to the cabinet door 2, realizing the translation of the cabinet door 4 away from the rotating side of the cabinet door 2. It can be understood that through the transmission of the connecting rod 31, the first slider 32 and the second slider 33, the cabinet door 4 can slide relative to the cabinet door 2, thus avoiding the interference generated by the opening and closing of the door body assembly. The structure is simple and the assembly is convenient, which is beneficial to improving the assembly efficiency of the door body assembly.

[0049] According to an embodiment of the present application, the first slider 32 is provided with a first rack 321, the second slider 33 is provided with a second rack 332, the transmission member includes a first gear 34 and a second gear 35, the first gear 34 meshes with the first rack 321, the second gear 35 is coaxially arranged with the first gear 34, and the second gear 35 meshes with the second rack 332.

[0050] It can be understood that the first rack 321 is arranged on the side of the first slider 32 facing the first gear 34. Teeth can be provided on the first slider 32 so that the first slider 32 forms the first rack 321, and the same applies to the second rack 332. The first gear 34 and the second gear 35 can be coaxially connected through a transmission shaft to rotate synchronously. That is, when the connecting rod 31 pushes the first slider 32 and the first rack 321 moves, the first gear 34 is driven to rotate, so that the second gear 35 rotates synchronously and further drives the second rack 332 to move, realizing the driving of the cabinet door 4. The first slider 32 and the second slider 33 can slide on the cabinet door 2 through ways such as slide rails and pulleys to reduce friction and facilitate directional sliding.

[0051] According to an embodiment of the present application, the first rack 321 and the second rack 332 are arranged in parallel, and the first rack 321 and the second rack 332 are located on opposite sides of the axis of the first gear 34.

[0052] It should be noted that the parallel setting here refers to the parallel arrangement direction of the gear teeth, so that the first rack 321 and the second rack 332 move on parallel paths. It can be understood that the first rack 321 and the second rack 332 arranged in parallel can better balance the load and the reaction force mechanically, which helps to reduce the imbalance between the torque and the reaction torque in the transmission door assembly, thereby improving the stability and reliability of the door assembly. It should be noted that this parallel should not be in the strict geometric sense. At least the manufacturing and installation errors should be considered, and the errors of plus or minus 10° should be understood as the scope protected by this application.

[0053] It can be understood. The first rack 321 and the second rack 332 are respectively arranged on the opposite sides of the axis of the first gear 34, that is, arranged on the opposite sides of the first gear 34 and the second gear 35. At this time, the gear teeth of the first rack 321 and the second rack 332 are arranged facing each other. For example, the gear teeth of the first rack 321 face downward, and the gear teeth of the second rack 332 face upward. In this way, under the rotation of the first gear 34 and the second gear 35 in the same direction, the first rack 321 and the second rack 332 move in opposite directions, so as to realize the movement of the cabinet door 4 in the direction away from the rotating side of the box door 2. In addition, the space between the box door 2 and the cabinet door 4 can be utilized more effectively, which is conducive to the installation of the first rack 321 and the second rack 332, and the operator can adjust the first rack 321 and the second rack 332 more easily.

[0054] It should be noted that the cabinet door 4 and the refrigeration equipment are manufactured by different manufacturers respectively, and based on the user's choice, different models of refrigeration equipment and the cabinet door 4 of the cabinet will be assembled. The gear assembly, the first rack 321 and the second rack 332 of this application are located between the box door 2 and the cabinet door 4, and the first rack 321 and the second rack 332 are arranged on both sides of the gear assembly, which can reduce the difficulty of production and manufacturing, and at the same time reduce the difficulty of assembly.

[0055] When closing the door, as the box door 2 rotates relative to the box body 1, the connecting rod 31 drives the first rack 321 to slide in the opposite direction relative to the box door 2, thereby driving the cabinet door 4 to slide in the opposite direction, realizing the relative movement between the box door 2 and the cabinet door 4, and ensuring that the cabinet door 4 can be normally closed.

[0056] In one embodiment, the box door 2 is provided with a first slide rail 25 and a second slide rail 26, and the first slide rail 25 and the second slide rail 26 are spaced apart in the height direction of the box door 2, and the first slider 32 is slidably connected to the first slide rail 25, and the second slider 33 is slidably connected to the second slide rail 26. By sliding the first slider 32 on the first slide rail 25 and the second slider 33 on the second slide rail 26, the stability of the box door 2 relative to the door body 21 during the sliding process can be ensured, and shaking and noise can be reduced. It should be noted that the slide rail can be in the form of a slide groove or a slide rod, which is not limited here, as long as the corresponding structure can slide on the slide rail. For example, the slide rail is a track, and the slider is a sliding member that is compatible with the slide rail and can slide along the slide rail.

[0057] In one embodiment, the first slide rail 25 is provided with one of the first limiting portion and the first limiting groove, the first slider 32 is provided with the other of the first limiting portion and the first limiting groove, and the first limiting portion and the first limiting groove are engaged with each other.

[0058] It should be noted that the shape of the first limiting portion can be an I-shaped structure, or a spindle-shaped structure or other limiting structures, and the first limiting groove can be set corresponding to the shape of the first limiting portion.

[0059] In one embodiment, the second slide rail 26 is provided with one of the second limiting portion and the second limiting groove, the second slider 33 is provided with the other of the second limiting portion and the second limiting groove, and the second limiting portion and the second limiting groove are engaged with each other.

[0060] It should be noted that the shape of the second limiting portion can be an I-shaped structure, or a spindle-shaped structure or other limiting structures, and the second limiting groove can be set corresponding to the shape of the second limiting portion.

[0061] According to one embodiment of the present application, the cabinet door 2 includes a door body 21 and a mounting portion 22 that are connected to each other, and a rotating shaft is rotatably arranged on the mounting portion 22; a first mounting area for installing a first gear 34 is formed between the door body 21 and the mounting portion 22, and a second mounting area for installing a second gear 35 is formed between the mounting portion 22 and the cabinet door 4.

[0062] It is understandable that the door body 21 and the mounting portion 22 are spaced apart to form a first mounting area for mounting the first gear 34. The mounting portion 22 and the cabinet door 4 are spaced apart to form a second mounting area for mounting the second gear 35.

[0063] In other embodiments, the first gear 34 and the second gear 35 may not be coaxially arranged through a transmission shaft. Instead, an intermediate transmission gear is arranged between the first gear 34 and the second gear 35. The intermediate transmission gear meshes with the first gear 34 and the second gear 35 respectively. The first rack 321 is adapted to drive the first gear 34 to rotate, and then drive the intermediate transmission gear to rotate, thereby driving the second gear 35 to rotate. The intermediate transmission gear is arranged between the first gear 34 and the second gear 35 to ensure that the rotation directions of the first gear 34 and the second gear 35 are the same.

[0064] It can be understood that the door body 21 constitutes the basic shape and appearance of the box door 2. The installation part 22 is connected to the door body 21 in an L-shaped structure and is used to install the sliding door mechanism 3. The installation part 22 can be designed as a structure integrally formed with the door body 21, or can be fixedly connected to the door body 21 by means of welding, bolt connection, etc.

[0065] Please refer to Figure 2 and Figure 3 , and the related structure of the roller assembly 6 will be introduced below:

[0066] On one side of the box door 2 facing the cabinet door 4, there is a support slide rail 27. The cabinet door 4 is connected to the support slide rail 27 and slides along the support slide rail 27. The roller assembly 6 includes a first roller 61, and the first roller 61 rolls along the support slide rail 27. It can be understood that on one side of the cabinet door 4 facing the box door 2, there is a support slide table 43, and the support slide table 43 is clamped on the support slide rail 27 so that the cabinet door 4 is carried on the support slide rail 27 and slides along the support slide rail 27. At the same time, the first roller 61 rolls along the support slide rail 27. Rolling, as a kind of higher pair motion, has less friction, and the sliding of the cabinet door 4 is smoother, improving the user experience. The first roller 61 can be installed on the support slide table 43 to facilitate the first roller 61 to roll along the support slide rail 27.

[0067] According to an embodiment of the present application, the first roller 61 is located above the support slide rail 27. Specifically, the first roller 61 is vertically placed, that is, the first roller 61 is carried on the support slide rail 27, and it can better roll and abut against the support slide rail 27 under the action of gravity and play a certain supporting role for the cabinet door 4.

[0068] According to an embodiment of the present application, the roller assembly 6 includes at least two first rollers 61, and the at least two first rollers 61 are spaced apart in the sliding direction of the cabinet door 4. Two or more first rollers 61 can better support the cabinet door 4 and improve the moving stability of the cabinet door 4.

[0069] According to an embodiment of the present application, a support slide 43 protrudes from one side of the cabinet door 4 facing the box door 2. The support slide 43 is snap-connected to the support slide rail 27, and the support slide 43 moves along the support slide rail 27. The first roller 61 is installed on the support slide 43. Specifically, a support chute 431 is formed in the support slide 43, and the support slide rail 27 is inserted and snap-connected into the support chute 431 to prevent the support slide 43 from detaching from the support slide rail 27. The longitudinal section of the support chute 431 is a lying T shape, and the longitudinal section of the support slide rail 27 is also a corresponding T shape, so that the support slide 43 can move along the extending direction of the support slide rail 27 and cannot detach from the support slide rail 27 in a direction perpendicular to the support slide rail 27.

[0070] According to an embodiment of the present application, an installation gap is formed between one side of the support slide 43 facing the box door 2 and the box door 2, and the first roller 61 is accommodated in the installation gap, thereby forming a moving space for the first roller 61 to prevent the first roller 61 from being unable to roll.

[0071] According to an embodiment of the present application, the roller assembly 6 includes a first roller 61 and a second roller 62 with the same rolling direction. Both the first roller 61 and the second roller 62 are connected to the cabinet door 4, and both the first roller 61 and the second roller 62 are in rolling contact with the box door 2. The axis of the first roller 61 and the axis of the second roller 62 are arranged at an angle.

[0072] In this embodiment, the first roller 61 and the second roller 62 roll in the same direction, that is, the rolling tracks of the first roller 61 and the second roller 62 are parallel. Exemplarily, the first roller 61 rolls on a horizontal plane, the second gear 35 rolls on a vertical plane, or the second gear 35 rolls on an inclined plane. In this way, at least two planes are used to support the cabinet door 4 to reduce the shaking of the cabinet door 4 during movement and improve the stability. The angle between the axis of the first gear 34 and the axis of the second gear 35 can be a right angle, an obtuse angle or an acute angle, so that the first gear 34 and the second gear 35 can roll in two dimensions. At least two of the first roller 61 and the second roller 62 can be provided to better support the cabinet door 4 for movement.

[0073] According to an embodiment of the present application, a protrusion 271 protrudes from the bearing surface of the support slide rail 27 for bearing the first roller 61. The protrusion 271 extends along the extending direction of the support slide rail 27, and the second roller 62 rolls along the protrusion 271.

[0074] Exemplarily, the bearing surface of the support slide rail 27 for bearing the first roller 61 is a horizontal plane, and a convex portion 271 protrudes upward from the bearing surface. The side wall of the convex portion 271 is used to abut against the second roller 62, that is, the second roller 62 rolls along the wall surface of the convex portion 271, so as to facilitate the mating installation and rolling of the first roller 61 and the second roller 62 on the support slide rail 27. The convex portion 271 is vertically arranged with respect to the main body of the support slide rail 27, that is, the second roller 62 rolls on the vertical surface of the convex portion 271, thereby restricting the displacement of the cabinet door 4 in the direction away from the box door 2.

[0075] According to an embodiment of the present application, a support slide table 43 protrudes from the side of the cabinet door 4 facing the box door 2. The support slide table 43 is provided with a support chute 431. A part of the support slide rail 27 is clamped in the support chute 431, and the support slide table 43 moves along the support slide rail 27. The first roller 61 and the second roller 62 are both installed on the support slide table 43.

[0076] In this embodiment, the first roller 61 and the second roller 62 are on the same horizontal plane. The first roller 61 is vertically placed, and the second roller 62 is horizontally placed, both of which can be used to bear the movement of the support slide table 43 along the support slide rail 27. The first roller 61 and the second roller 62 can be arranged inside the support chute 431 or outside the support chute 431 to adapt to different installation conditions.

[0077] According to an embodiment of the present application, the first roller 61 is located outside the support chute 431, and the second roller 62 and the convex portion 271 are located inside the support chute 431. It can be understood that the convex portion 271 is located inside the support chute 431, and the second roller 62 rolls against the convex portion 271, which can achieve a clamping effect, so that the connection between the support slide table 43 and the support slide rail 27 is stable and not easy to loosen. Specifically, the distribution of the first roller 61 and the second roller 62 inside and outside the support chute 431 is beneficial to balancing the internal and external forces of the support slide table 43 and improving the support stability of the support slide table 43.

[0078] Exemplarily, the upper part of the box door 2 is bent or recessed to form an installation part 22. The installation part 22 forms a concave space, and the sliding door mechanism 3 can be installed therein. In this way, the horizontal part 23 is located below the sliding door mechanism 3 and can be used to bear the sliding door mechanism 3 to prevent the sliding door mechanism 3 from falling, and the installation structure is more stable. The vertical part 24 is arranged at a right angle to the horizontal part 23. The vertical part 24 can be used to support the side of the cabinet door 4 facing the box door 2 to avoid the swing of the cabinet door 4 in the direction facing the box door 2 and keep the cabinet door 4 and the box door 2 relatively parallel. Exemplarily, the first roller 61 and the second roller 62 can roll and abut against the vertical part 24.

[0079] Please refer to Figure 1 and Figure 4, The refrigeration device according to the second aspect embodiment of the present application includes a box body 1 and the above-mentioned door body assembly. The box body 1 forms an accommodation space, and the door body assembly is rotatably arranged on the box body 1 to open or close the accommodation space.

[0080] It should be noted that since the refrigeration device of the present application includes the above-mentioned door body assembly, it has all the technical effects of the above-mentioned door body assembly, which will not be elaborated here.

[0081] According to an embodiment of the present application, the box body 1 is provided with a first rotating part 11 and a second rotating part 12. The box door 2 is rotatably connected to the first rotating part 11, and the connecting rod 31 is rotatably connected to the second rotating part 12. When the box door 2 is closed, the first rotating part 11 is located on the side of the second rotating part 12 close to the user, and the second rotating part 12 is located between the first rotating part 11 and the first rack 321.

[0082] It can be understood that the box door 2 is rotatably connected to the box body 1 through the first rotating part 11, and the second rotating part 12 is adapted to provide a connection position for the rotational connection of the connecting rod 31. When the box door 2 rotates relative to the box body 1, the connecting rod 31 drives the first rack 321 to slide relative to the box door 2. The first rack 321 can drive the gear assembly to rotate and drive the cabinet door 4 installed with the second rack 332 to slide, thereby realizing the relative movement between the box door 2 and the cabinet door 4. When the box door 2 is closed, the second rotating part 12 is located between the first rotating part 11 and the first rack 321, avoiding the interference between the connecting rod 31 and the first rotating part 11.

[0083] Finally, it should be noted that the above embodiments are only used to illustrate the present application, rather than to limit the present application. Although the present application has been described in detail with reference to the embodiments, those of ordinary skill in the art should understand that various combinations, modifications or equivalent replacements of the technical solutions of the present application do not depart from the spirit and scope of the technical solutions of the present application, and should all be covered by the scope of the claims of the present application.

Claims

1. A door assembly for a refrigeration device, characterized in that, include: A cabinet door, wherein the cabinet door is adapted to be rotatably connected to a cabinet of the refrigeration equipment; A sliding door mechanism, wherein the sliding door mechanism is slidably connected to the box door; A cabinet door, the cabinet door is connected to the box door, and the cabinet door slides relative to the box door through the sliding door mechanism; A roller assembly, the roller assembly comprising a first roller and a second roller with the same rolling direction, the first roller and the second roller are both connected to the cabinet door, the first roller and the second roller are both in rolling contact with the cabinet door, and the axis of the first roller is arranged at an angle to the axis of the second roller; During the door opening process, the cabinet door is driven by the sliding door mechanism to move toward the rotating side away from the cabinet door, and the roller assembly rolls on the cabinet door.

2. The door body assembly according to claim 1, characterized in that, A supporting slide rail is provided on one side of the box door facing the cabinet door, the cabinet door is connected to the supporting slide rail and slides along the supporting slide rail, and the first roller rolls along the supporting slide rail.

3. The door body assembly according to claim 2, wherein, A bearing surface of the supporting slide rail that bears the first roller is provided with a protrusion protruding outwardly, the protrusion extends along an extending direction of the supporting slide rail, and the second roller rolls along the protrusion.

4. The door body assembly according to claim 3, characterized in that, The roller assembly comprises at least two first rollers, and the at least two first rollers are arranged at intervals in the sliding direction of the cabinet door; And / or, the roller assembly includes at least two second rollers, and the at least two second rollers are arranged at intervals in the sliding direction of the cabinet door.

5. The door body assembly according to claim 3, characterized in that, A supporting slide is protruded from one side of the cabinet door toward the box door, and a supporting slide is provided on the supporting slide. The supporting slide is at least partially engaged in the supporting slide. The supporting slide moves along the supporting slide. The first roller and the second roller are both mounted on the supporting slide.

6. The door body assembly according to claim 5, characterized in that, The first roller is located outside the supporting slide groove, and the second roller and the protruding portion are located inside the supporting slide groove.

7. The door body assembly according to any one of claims 1 to 6, characterized in that, The sliding door mechanism comprises: a first sliding block, wherein the first sliding block is slidably mounted on the box door; A connecting rod, one end of which is rotatably connected to the first slider, and the other end of which is rotatably connected to the housing of the refrigeration device; The second slider is slidably mounted on the box door and connected to the cabinet door. The second slider is connected to the first slider through a transmission component. During the door opening process, the connecting rod moves to drive the first slider to slide relative to the box door, and drives the second slider to slide in a direction away from the rotating side through the transmission component.

8. The door body assembly according to claim 7, wherein, The first slider is provided with a first rack, the second slider is provided with a second rack, and the transmission component includes: a first gear meshing with the first rack; The second gear is coaxially arranged with the first gear, and the second gear is meshed with the second rack.

9. The door body assembly according to claim 8, wherein, The first rack and the second rack are arranged in parallel, and the first rack and the second rack are located on opposite sides of the axis of the first gear.

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

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