Door assembly and refrigeration appliance

Abstract

A door assembly and a refrigeration appliance. The door assembly comprises: an active sliding door mechanism (1), an appliance door (2), and a door panel (3). The door panel (3) is slidably arranged on the outer side of the appliance door (2). The active sliding door mechanism (1) is arranged on the appliance door (2) and comprises: a first base (13) having a first guide rail (131) formed on the upper side thereof and a second guide rail (132) formed on the lower side thereof; a first sliding block (11) slidably sleeved outside the first guide rail (131); a second sliding block (12) slidably sleeved outside the second guide rail (132) and used for being connected to the door panel (3); a connecting member (14) having two ends respectively connected to the first sliding block (11) and the second sliding block (12); and a traction component (17) having one end connected to an appliance body (4) and the other end connected to the first sliding block (11). By means of the movement of the first sliding block (11) and the second sliding block (12) in opposite directions, the second sliding block (12) can drive the door panel (3) to move in the width direction of the appliance body (4), so that the door panel (3) can avoid obstacles on both sides during the opening and closing of the appliance door (2), thereby solving the problem of interference during the door opening process.

Description

Door components and refrigeration equipment

[0001] Cross-reference to related applications

[0002] This application claims priority to Chinese patent application No. 202422089589.9, 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 household appliance technology, and more particularly to a door assembly and a refrigeration device. Background Technology

[0004] With the growing demand for the integration of home appliances and home furnishings, embedded design of home appliances has become a trend.

[0005] However, in pursuit of a better integrated home aesthetic, it is sometimes necessary to attach additional door panels to the cabinet door surface. Furthermore, a higher clearance is required between the embedded appliances and the cabinet sidewalls to further enhance the integrated effect. This results in the door assembly with the panel interfering with the sidewalls of the cabinet installation space during opening and closing when the appliance is embedded in the cabinet, preventing the appliance door assembly from opening or closing properly. Summary of the Invention

[0006] This application aims to at least solve one of the technical problems existing in the related art. To this end, this application proposes a door assembly and a refrigeration device to solve the problem that the door assembly with a door panel may interfere with the side of the installation space during the opening and closing process, causing the door assembly of the appliance to be unable to open or close normally.

[0007] A door assembly according to an embodiment of this application is applied to a refrigeration device. The refrigeration device includes a cabinet. The door assembly includes: an active sliding door mechanism, a cabinet door, and a door panel. The cabinet door is rotatably connected to the cabinet and is adapted to open or close the storage space of the cabinet. The door panel is slidably disposed on the outside of the cabinet door.

[0008] The active sliding door mechanism is disposed on the cabinet door and includes:

[0009] The first base has a first guide rail formed on the upper side and a second guide rail formed on the lower side;

[0010] The first slider is slidably sleeved on the outside of the first guide rail;

[0011] The second slider is slidably sleeved on the outside of the second guide rail for connection with the door panel;

[0012] The connector has two ends that are respectively connected to the first slider and the second slider;

[0013] The traction component has one end connected to the housing and the other end connected to the first slider;

[0014] During the opening or closing of the cabinet door, the cabinet body drives the first slider to move on the first guide rail via the traction component, and the first slider drives the second slider to move in the opposite direction on the second guide rail via the connector, so that the second slider drives the door panel to move relative to the width direction of the cabinet body.

[0015] In some embodiments, the connector includes:

[0016] 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.

[0017] 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.

[0018] In some embodiments, the active sliding door mechanism further includes:

[0019] A first fixed base is connected to one end of the first base and forms a first limiting groove. The two ends of the first limiting groove are connected to one end of the first guide rail and the second guide rail. A portion of the first connector is slidably disposed in the first limiting groove.

[0020] The second fixed base is connected to the other end of the first base and forms a second limiting groove. The two ends of the second limiting groove are connected to the other ends of the first guide rail and the second guide rail. A portion of the second connector is slidably disposed in the second limiting groove.

[0021] In some embodiments, the first fixing seat and / or the second fixing seat are provided with fixing holes, and the active sliding door mechanism further includes a fixing member that passes through the fixing hole to connect with the door.

[0022] In some embodiments, the active sliding door mechanism further includes:

[0023] A first ball and a second ball; a first rolling gap is formed between the first slider and the first guide rail, and the first ball is rotatably disposed in the first rolling gap; a second rolling gap is formed between the second slider and the second guide rail, and the second ball is rotatably disposed in the second rolling gap.

[0024] In some embodiments, the active sliding door mechanism further includes:

[0025] A first support frame is disposed between the first slider and the first guide rail. The first support frame has a first limiting notch at the position corresponding to the first rolling gap. The first ball is disposed in the first limiting notch and abuts against the first slider and the first guide rail.

[0026] The second support frame is disposed between the second slider and the second guide rail. The second support frame has a second limiting notch at the position corresponding to the first rolling gap. The second ball is disposed in the second limiting notch and abuts against the second slider and the second guide rail.

[0027] In some embodiments, the first guide rail is provided with a plurality of first concave surfaces arranged sequentially along its circumference, the first slider is formed with a first groove, and the sidewall of the first groove forms a plurality of rows of first rolling gaps with the plurality of first concave surfaces.

[0028] The second guide rail has a plurality of second concave surfaces arranged sequentially along its circumference, and the second slider has a second groove formed thereon. The sidewall of the second groove and the plurality of second concave surfaces form a plurality of rows of second rolling gaps.

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

[0030] A driven sliding door mechanism is provided on the cabinet door and is connected to the door panel. The driven sliding door mechanism is used to guide the door panel to move relative to the width direction of the cabinet door during the opening or closing of the cabinet door.

[0031] In some embodiments, the driven sliding door mechanism includes:

[0032] The second base is connected to the box door and forms a third guide rail;

[0033] The third slider is slidably mounted on the third guide rail and connected to the door panel.

[0034] A refrigeration device according to an embodiment of this application includes:

[0035] The box-shaped structure forms a storage space;

[0036] As described in any of the above-mentioned door components, the cabinet door is rotatably connected to the cabinet and is adapted to open or close the storage space.

[0037] The above-described one or more technical solutions in the embodiments of this application have at least one of the following technical effects:

[0038] According to the door assembly of this application, an active sliding door mechanism including a first base, a first slider, a second slider, a connector, and a traction component is provided on the door. A first guide rail is formed on the upper side of the first base, and a second guide rail is formed on the lower side of the first base. The first slider is slidably fitted outside the first guide rail, and the second slider is slidably fitted outside the second guide rail. The first slider and the second slider are connected by a connector, and the door body and the first slider are connected by a traction component. During the opening or closing of the door, the door body drives the first slider to move on the first guide rail through the traction component, while the second slider moves in the opposite direction on the second guide rail. This allows the second slider to drive the door panel to move relative to the width of the door body, so that the door panel can avoid obstacles on both sides during the opening and closing of the door, thereby solving the interference problem during the opening process.

[0039] According to the embodiments of this application, the refrigeration device, by combining the cabinet door and the door panel, avoids interference between the door panel and surrounding objects when opening and closing the refrigeration device, greatly improving ease of use. This design advantage is particularly evident in confined kitchen environments.

[0040] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0041] 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.

[0042] Figure 1 is a schematic diagram of the door assembly sliding in the refrigeration equipment provided in the embodiment of this application.

[0043] Figure 2 is a structural schematic diagram of the door assembly location in the refrigeration equipment provided in the embodiment of this application.

[0044] Figure 3 is a disassembly diagram of the door assembly in the refrigeration equipment provided in the embodiment of this application.

[0045] Figure 4 is one of the schematic diagrams of the active sliding door mechanism provided in the embodiments of this application.

[0046] Figure 5 is a second schematic diagram of the active sliding door mechanism provided in the embodiments of this application.

[0047] Figure 6 is a cross-sectional schematic diagram of the active sliding door mechanism provided in an embodiment of this application.

[0048] Figure 7 is a schematic diagram of the driven sliding door mechanism provided in an embodiment of this application.

[0049] Reference numerals: 1. Active sliding door mechanism; 11. First slider; 111. First rolling gap; 12. Second slider; 121. Second rolling gap; 122. First slot; 13. First base; 131. First guide rail; 132. Second guide rail; 14. Connector; 15. First fixed seat; 16. Second fixed seat; 17. Traction component; 18. First ball bearing; 181. First support frame; 19. Second ball bearing; 191. Second support frame; 2. Box door; 3. Door panel; 4. Box body; 5. Hinge; 6. First cabinet body; 7. Second cabinet body; 8. Installation space; 9. Driven sliding door mechanism; 91. Second base; 911. Third guide rail; 912. Third rolling gap; 92. Third slider; 921. Second slot. Detailed Implementation

[0050] 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.

[0051] 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., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They 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. Therefore, they should not be construed as limitations on the embodiments of this application. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0052] 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.

[0053] 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.

[0054] 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.

[0055] The door assembly and refrigeration device of this application are described below with reference to Figures 1 to 7. The active sliding door mechanism 1 and door assembly of this application can be applied to the cabinet door 2 or other door of household appliances, such as the door 2 of a refrigerator. However, it should be understood that the door assembly of this application can also be applied to any other suitable device. The refrigeration device of this application is applied, for example, to a refrigerator. However, it should be understood that the refrigeration device of this application can also be applied to a freezer or any other suitable device.

[0056] In one embodiment of this application, as shown in Figures 1 to 4, a door assembly is applied to a refrigeration device. The refrigeration device includes a housing 4, and the door assembly includes: an active sliding door mechanism 1, a housing door 2, and a door panel 3. The housing door 2 is rotatably connected to the housing 4 and is adapted to open or close the storage space of the housing 4. The door panel 3 is slidably disposed on the outside of the housing door 2. The active sliding door mechanism 1 is disposed on the housing door 2 and includes: a first base 13, a first slider 11, a second slider 12, a connector 14, and a traction component 17. A first guide rail 131 is formed on the upper side of the first base 13, and a second guide rail 132 is formed on the lower side. The first slider 11 is slidably sleeved on the first guide rail 131. The second slider 12 is slidably sleeved on the second guide rail 132 and is used to connect to the door panel 3. The two ends of the connector 14 are respectively connected to the first slider 11 and the second slider 12. One end of the traction component 17 is used to connect to the housing 4, and the other end is connected to the first slider 11. During the opening or closing of the door 2, the box body 4 drives the first slider 11 to move on the first guide rail 131 via the traction component 17. The first slider 11 drives the second slider 12 to move in the opposite direction on the second guide rail 132 via the connector 14, so that the second slider 12 drives the door panel 3 to move relative to the width direction of the box body 4.

[0057] In this embodiment, the cabinet 4 serves as the main body of the refrigeration equipment. The cabinet 4 contains a storage space for storing food or other items requiring refrigeration or freezing. The cabinet door 2 is mounted on the cabinet 4 via a rotating connection (such as a hinge 5), allowing it to rotate around one or more axes to open and close the storage space. A door panel 3, as an additional, slidable component, is located on the outside of the cabinet door 2. A first base 13 is fixed to the cabinet door 2, with a first guide rail 131 and a second guide rail 132 formed on its upper and lower sides, respectively. The first guide rail 131 and the second guide rail 132 provide tracks for the sliding of the first slider 11 and the second slider 12, respectively. The first slider 11 is slidably mounted on the first guide rail 131 and connected to the cabinet 4 via a traction component 17, allowing it to move along the first guide rail 131 driven by the cabinet 4. The second slider 12 is also slidably mounted on the second guide rail 132 but is connected to the door panel 3, used to drive the sliding of the door panel 3. The connector 14 can be a traction rope, transmission belt, or other connecting component. Both ends of the connector 14 are connected to the first slider 11 and the second slider 12, respectively, enabling the first slider 11 to drive the second slider 12 to move synchronously, allowing them to move in opposite directions. This design ensures that the door panel 3 can slide smoothly along the width of the housing 4. The traction component 17 is connected at one end to the housing 4 and at the other end to the first slider 11, serving as the power transmission component between the housing 4 and the first slider 11. When the door 2 is opened or closed, the housing 4 drives the first slider 11 to move via the traction component 17, thereby driving the door panel 3 to slide.

[0058] During the process of the door 2 rotating outwards to open the box body 4, the box body 4 drives the first slider 11 to slide towards the hinge 5 via the traction component 17. Simultaneously, the first slider 11 drives the second slider 12 to slide in the opposite direction via the connector 14, thus preventing interference between the door panel 3 and external obstacles. During the process of the door 2 rotating to close to one side of the box body 4, the box body 4 drives the first slider 11 to slide away from the hinge 5 via the traction component 17. Simultaneously, the first slider 11 drives the second slider 12 to slide in the opposite direction via the connector 14, thus preventing interference between the closed door panel 3 and obstacles.

[0059] It is understood that in this embodiment, the first slide rail and the second slide rail are formed on the upper and lower sides of the first base 13, which can reduce the thickness of the entire active slide rail mechanism to a certain extent. When installed on the box door 2, the thickness of the box door 2 can be reduced accordingly.

[0060] According to the door assembly of this application, an active sliding door mechanism 1, including a first base 13, a first slider 11, a second slider 12, a connector 14, and a traction component 17, is provided on the door 2. A first guide rail 131 is formed on the upper side of the first base 13, and a second guide rail 132 is formed on the lower side of the first base 13. The first slider 11 is slidably fitted outside the first guide rail 131, and the second slider 12 is slidably fitted outside the second guide rail 132. The first slider 11 and the second slider 12 are connected by the connector 14, and the box body 4 is connected to the first slider 11 by the traction component 17. During the opening or closing of the door 2, the box body 4 drives the first slider 11 to move on the first guide rail 131 through the traction component 17, while the second slider 12 moves in the opposite direction on the second guide rail 132. This allows the second slider 12 to drive the door panel 3 to move relative to the width direction of the box body 4, so that the door panel 3 can avoid obstacles on both sides during the opening and closing of the door 2, thereby solving the interference problem during the opening process.

[0061] It should be noted that in practical applications, the design of the first slider 11 and the second slider 12 can be flexible and varied to adapt to different working scenarios and performance requirements. They are not limited to specific shapes, sizes, or materials, but can be customized and optimized according to specific needs.

[0062] From a materials perspective, the first slider 11 and the second slider 12 can be made of materials with high wear resistance, low coefficient of friction, and good stability, such as metal alloys, engineering plastics, or special lubricating materials. The selection of these materials aims to improve the durability of the sliders, reduce wear and noise during sliding, and ensure smooth sliding.

[0063] In terms of structural design, the first slider 11 and the second slider 12 can adopt various forms of guide rail contact surfaces, such as planar contact, ball contact, or sliding bearing contact. Each of these different contact methods has its advantages and disadvantages. For example, ball contact can reduce friction and wear, but it is more expensive; while planar contact has a simple structure, but may require more frequent lubrication and maintenance. Therefore, factors such as usage conditions, cost-effectiveness, and ease of maintenance should be comprehensively considered when making a selection.

[0064] In addition, to enhance the load-bearing capacity and stability of the sliders, reinforcing ribs, support plates, or other auxiliary structures can be added to the first slider 11 and the second slider 12. These structures can increase the rigidity and deformation resistance of the sliders, ensuring stable sliding performance when bearing the weight of the door panel 3 and external forces.

[0065] In some embodiments, as shown in Figures 3 and 4, the connector 14 includes a first connector 14 and a second connector 14. The first connector 14 bypasses one end of the first base 13, and its two ends are respectively connected to one end of the first slider 11 and the second slider 12. The second connector 14 bypasses the other end of the first base 13, and its two ends are respectively connected to the other ends of the first slider 11 and the second slider 12.

[0066] In this embodiment, by connecting the first connector 14 around one end of the first base 13 to the first slider 11 and the second slider 12 respectively, when the first slider 11 slides away from the first base 13 under the drive of the housing 4, the first slider 11 drives the second slider 12 to slide towards the end closer to the first base 13 through the first connector 14; at the same time, by connecting the second connector 14 around the other end of the first base 13 to the first slider 11 and the second slider 12 respectively, when the first slider 11 slides away from the first base 13 under the drive of the door 2, the first slider 11 drives the second slider 12 to slide towards the other end closer to the first base 13 through the second connector 14. This achieves that when the first slider 11 slides towards both ends of the first base 13, the second slider 12 can be driven to slide in the opposite direction to the first slider 11, thereby enabling the door panel 3 to slide relative to the door 2 as the door 2 rotates when the door 2 is opened and closed, so as to avoid interference with obstacles and affect the opening and closing of the door 2.

[0067] In some embodiments, as shown in Figures 3 to 5, the active sliding door mechanism 1 further includes a first fixed seat 15 and a second fixed seat 16. The first fixed seat 15 is connected to one end of the first base 13 and forms a first limiting groove. The two ends of the first limiting groove are connected to one end of the first guide rail 131 and the second guide rail 132. A portion of the first connecting member 14 is slidably disposed in the first limiting groove. The second fixed seat 16 is connected to the other end of the first base 13 and forms a second limiting groove. The two ends of the second limiting groove are connected to the other ends of the first guide rail 131 and the second guide rail 132. A portion of the second connecting member 14 is slidably disposed in the second limiting groove.

[0068] Specifically, the first fixed seat 15 is connected to one end of the first base 13, serving as an extension and support for the first guide rail 131 and the second guide rail 132 at that end. A first limiting groove is formed on the first fixed seat 15, which not only provides an additional sliding track for the first connector 14 but also ensures the stability and accuracy of the first connector 14 during sliding. The two ends of the first limiting groove abut with one end of the first guide rail 131 and the second guide rail 132. The presence of the first limiting groove restricts the offset and wobbling of the first connector 14 during sliding, improving the operating accuracy and reliability of the entire active sliding door mechanism 1. The second fixed seat 16 corresponds to the first fixed seat 15, and is connected to the other end of the first base 13, providing support and extension for the first guide rail 131 and the second guide rail 132 at that end. A second limiting groove is formed on the second fixed seat 16, with a design similar to the first limiting groove, but located at the other end of the active sliding door mechanism 1. The two ends of the second limiting groove are connected to the other ends of the first guide rail 131 and the second guide rail 132, providing guidance and limiting for the sliding of the second connector 14. The second limiting groove is the same as the first limiting groove, and the second limiting groove also serves to limit the offset and wobbling of the connector 14.

[0069] In order to install the active sliding mechanism, in some embodiments, as shown in Figures 3 to 6, the first fixed seat 15 and / or the second fixed seat 16 are provided with fixing holes. The active sliding door mechanism 1 also includes a fixing member that passes through the fixing hole to connect with the door 2, thereby enabling the entire active sliding door mechanism 1 to be fixed on the door 2.

[0070] In this embodiment, the first fixed seat 15 and / or the second fixed seat 16, which are connected to the first base 13, are fixed to the door 2 by fasteners, ensuring that the mechanism will not loosen or shift due to external forces or vibrations during operation. The design of the fixing holes and fasteners makes the installation process simple and quick. The operator only needs to align the fasteners with the fixing holes and tighten them to complete the connection between the active sliding door mechanism 1 and the door 2. When it is necessary to repair or replace the active sliding door mechanism 1, the active sliding door mechanism 1 can be removed from the door 2 simply by removing the fasteners, without the need for complicated disassembly work. This greatly improves the maintainability and flexibility of the equipment.

[0071] In practical implementation, appropriate fasteners, such as screws, bolts, and rivets, can be selected based on the structure and material of the door 2. Simultaneously, it is necessary to ensure that the position and size of the fixing holes match the fasteners to guarantee the strength and stability of the connection.

[0072] In some embodiments, as shown in FIG6, the active sliding door mechanism 1 further includes a first ball bearing 18 and a second ball bearing 19. A first rolling gap 111 is formed between the first slider 11 and the first guide rail 131, and the first ball bearing 18 is rotatably disposed in the first rolling gap 111; a second rolling gap 121 is formed between the second slider 12 and the second guide rail 132, and the second ball bearing 19 is rotatably disposed in the second rolling gap 121.

[0073] In this embodiment, by forming a first rolling gap 111 and a second rolling gap 121 between the first slider 11 and the first guide rail 131, and between the second slider 12 and the second guide rail 132, direct contact between the first slider 11 and the first guide rail 131, and between the second slider 12 and the second guide rail 132, can be avoided. A first rolling ball 18 and a second rolling ball 19 are respectively provided in the first rolling gap 111 and the second rolling gap 121, so that the first slider 11 can slide along the first guide rail 131 by the rolling of the first rolling ball 18, and the second slider 12 can slide along the second guide rail 132 by the rolling of the second rolling ball 19. The friction is small by rolling, and the sliding of the first slider 11 and the second slider 12 is smoother.

[0074] In one embodiment of this application, as shown in Figures 3 to 6, the active sliding door mechanism 1 further includes: a first support frame 181 and a second support frame 191. The first support frame 181 is disposed between the first slider 11 and the first guide rail 131. The first support frame 181 has a first limiting notch at a position corresponding to the first rolling gap 111, and a first ball bearing 18 is disposed in the first limiting notch, abutting against the first slider 11 and the first guide rail 131. The second support frame 191 is disposed between the second slider 12 and the second guide rail 132. The second support frame 191 has a second limiting notch at a position corresponding to the second rolling gap 121, and a second ball bearing 19 is disposed in the second limiting notch, abutting against the second slider 12 and the second guide rail 132.

[0075] In this embodiment, a first support frame 181 is provided between the first slider 11 and the first guide rail 131. A first limiting notch is formed on the first support frame 181 to set the first ball 18, thereby limiting the first ball 18 and preventing it from rolling off course in the first rolling gap 111, making the sliding of the first slider 11 more stable and reliable. Similarly, a second support frame 191 is provided between the second slider 12 and the second guide rail 132 to limit the second ball 19, thereby making the sliding of the second slider 12 more stable and reliable.

[0076] In one embodiment of this application, as shown in Figures 3 to 6, multiple sets of first balls 18 and second balls 19 are provided. A first guide rail 131 has multiple first concave surfaces arranged sequentially along its circumference. A first slider 11 has a first groove formed therein. The sidewall of the first groove and the multiple first concave surfaces form multiple rows of first rolling gaps 111. Each set of first balls 18 is respectively disposed in each row of first rolling gaps 111. A second guide rail 132 has multiple second concave surfaces arranged sequentially along its circumference. A second slider 12 has a second groove formed therein. The sidewall of the second groove and the multiple second concave surfaces form multiple rows of second rolling gaps 121. Each set of second balls 19 is respectively disposed in each row of second rolling gaps 121.

[0077] Specifically, by setting multiple rows of first rolling gaps 111, and setting a set of first balls 18 in each row of first rolling gaps 111, the multiple sets of first balls 18 can form multiple rolling support points between the first slider 11 and the first guide rail 131, making the sliding of the first slider 11 relative to the first guide rail 131 more stable and smooth. Similarly, by setting multiple rows of second rolling gaps 121, and setting a set of second balls 19 in each row of second rolling gaps 121, the multiple sets of second balls 19 can also form multiple rolling support points between the second slider 12 and the second guide rail 132, making the sliding of the second slider 12 relative to the first guide rail 131 more stable and smooth. Simultaneously, by providing a first groove on the first slider 11 and a first concave surface on the first guide rail 131, the first concave surface and the first groove form a first rolling gap 111. The first concave surface and the first groove respectively abut against the two sides of the first ball 18, allowing the first ball 18 to roll within the first rolling gap 111, thereby achieving relative sliding between the first slider 11 and the first guide rail 131. Simultaneously, the first concave surface can limit the first ball 18 on the first guide rail 131, preventing it from shifting and making the sliding of the first slider 11 more stable and smooth. Similarly, the second groove on the second slider 12 and the second concave surface of the second guide rail 132 form a second rolling gap 121, with the second concave surface and the second groove respectively abutting against the two sides of the second ball 19, allowing the second ball 19 to roll so that the relative sliding of the second slider 12 and the second guide rail 132 does not cause shifting, thus making the sliding of the second slider 12 more stable and smooth.

[0078] Optionally, the plurality of first rolling gaps 111 in each row can be spaced apart along the extension direction of the first guide rail 131, and the plurality of second rolling gaps 121 in each row can be spaced apart along the extension direction of the second guide rail 132.

[0079] Optionally, the first concave surface is an arc surface that fits against the first ball 18, and the side wall of the first groove also has an arc surface that fits against the first ball 18 at the position corresponding to the first concave surface, so that the first concave surface and the first groove fit better against the first ball 18, the force-bearing area is larger, and the rolling is more stable and reliable; similarly, the second concave surface is an arc surface that fits against the second ball 19, and the side wall of the second groove also has an arc surface that fits against the second ball 19 at the position corresponding to the second concave surface, so that the second concave surface and the second groove fit better against the second ball 19, the force-bearing area is larger, and the rolling is more stable and reliable.

[0080] In some embodiments, as shown in Figures 3 and 7, the door assembly further includes a driven sliding door mechanism 9. The driven sliding door mechanism 9 is disposed on the door 2 and connected to the door panel 3, and is used to guide the door panel 3 to move relative to the width direction of the door 2 during the opening or closing of the door 2.

[0081] In this embodiment, the driven sliding door mechanism 9 and the active sliding door mechanism 1 are arranged side by side on the door 2. The active sliding door mechanism 1 is used to drive the door panel 3 to move in the width direction relative to the box body 4 during the opening or closing of the door 2. During this process, the driven sliding door mechanism 9 cooperates with the active sliding door mechanism 1 to guide the door panel 3 to move in the width direction relative to the door 2, so as to reduce the shaking of the door panel 3 during the sliding process and make the sliding of the door panel 3 more stable.

[0082] It should be noted that the driven sliding door mechanism 9 and the active sliding door mechanism 1 can also be arranged in parallel or in other directions. In a strict geometric sense, at least manufacturing and installation errors should be considered, and errors of ±10° should be understood within the scope of patent protection.

[0083] In some embodiments, as shown in Figures 3 and 7, the driven sliding door mechanism 9 includes a second base 91 and a third slider 92. The second base 91 is connected to the door 2 and forms a third guide rail 911; the third slider 92 is slidably disposed on the third guide rail 911 and connected to the door panel 3. The third slider 92 can slide with the door panel 3 when the door panel 3 slides relative to the door 2, providing support and assistance for the sliding of the door panel 3, making the sliding of the door panel 3 relative to the door 2 smoother. At the same time, the driven sliding door mechanism 9 can cooperate with the active sliding door mechanism 1 to restrict the movement direction of the door panel 3, reducing the shaking of the door panel 3 during the sliding process and making the sliding more stable.

[0084] The driven sliding door mechanism 9 provided in this embodiment, through its cooperative operation with the active sliding door mechanism 1, can effectively restrict the movement direction of the door panel 3. This ensures that the door panel 3 moves along a predetermined trajectory during sliding, avoiding wobbling and instability caused by directional deviation. This restrictive effect ensures the stability of the door panel 3.

[0085] In some embodiments, the driven sliding door mechanism 9 further includes a third ball bearing. A third rolling gap 912 is formed between the third slider 92 and the third guide rail 911, and the third ball bearing is rotatably disposed in the third rolling gap 912.

[0086] In this embodiment, by forming a third rolling gap 912 between the third slider 92 and the third guide rail 911, direct contact between the third slider 92 and the third guide rail 911 can be avoided. A rolling third ball is provided in the third rolling gap 912, so that the third slider 92 can slide along the third guide rail 911 by the rolling of the third ball. The friction is small by rolling, the sliding of the third slider 92 is smoother, and the resistance during the sliding process can be effectively reduced.

[0087] In some embodiments, the driven sliding door mechanism 9 further includes a third support frame. The third support frame is disposed between the third slider 92 and the third guide rail 911. The third support frame is provided with a third limiting notch, and a third ball is disposed in the third limiting notch. The third ball abuts against the third slider 92 and the third guide rail 911.

[0088] In this embodiment, a third support frame is provided between the third slider 92 and the third guide rail 911. A third limiting notch is formed on the third support frame to set the third ball, thereby limiting the third ball and preventing the third ball from rolling off course in the third rolling gap 912, making the sliding of the third slider 92 more stable and reliable.

[0089] Generally, multiple sets of third balls are provided, a third concave surface is provided on the third guide rail 911, and a third groove is formed on the third slider 92. The sidewall of the third groove and multiple third concave surfaces form multiple rows of third rolling gaps. Each set of third balls is respectively arranged in each row of third rolling gaps 912. By setting multiple rows of third rolling gaps 912 and setting a set of third balls in each row of third rolling gaps 912, multiple sets of third balls can form multiple rolling support points between the third slider 92 and the third guide rail 911, making the sliding of the third slider 92 relative to the third guide rail 911 more stable and smooth.

[0090] In some embodiments, as shown in Figures 1 to 7, the second slider 12 and / or the third slider 92 are provided with slots for hanging the door panel 3 to facilitate the mounting of the door panel 3. The slots can be directly provided on the second slider 12 and / or the third slider 92, or the slots can be provided by using connecting blocks.

[0091] In general, slots can be directly machined into the second slider 12 and / or the third slider 92. The shape and size of the slots must match the mounting components on the door panel 3 to ensure that the door panel 3 can be securely mounted on the sliders. The advantage of this method is its simple structure, direct effectiveness, and lack of need for additional connecting components. However, it may require custom machining of the sliders to meet the design requirements of different door panels 3.

[0092] To simplify the slider mechanism, connecting blocks can be installed on the second slider 12 and / or the third slider 92, and slots can be machined on the connecting blocks. The connecting blocks can be components made of the same or different material as the sliders, and are fixed to the sliders by welding, screwing, or other methods. The advantage of this method is greater flexibility; different connecting block and slot designs can be selected as needed to adapt to door panels 3 of different shapes, sizes, and weights.

[0093] In this embodiment, the second slider 12 is provided with a first slot 122, and the third slider 92 is provided with a second slot 921. The door panel 3 can be simultaneously hooked onto the active sliding door mechanism 1 and the passive sliding door mechanism 9 via the hook, the first slot 122, and the second slot 921.

[0094] In another embodiment of this application, as shown in Figures 3 to 6, a refrigeration device is provided, including: a housing 4 and a door assembly as provided in any of the above embodiments. The housing 4 forms a storage space, and a door 2 is rotatably connected to the housing 4, suitable for opening or closing the storage space.

[0095] In this embodiment, the door assembly includes: an active sliding door mechanism 1, a cabinet door 2, and a door panel 3; the cabinet door 2 is rotatably connected to the cabinet body 4, and the cabinet door 2 is adapted to open or close the storage space of the cabinet body 4; the door panel 3 is slidably disposed on the outside of the cabinet door 2. The active sliding door mechanism 1 is disposed on the cabinet door 2 and includes: a first base 13, a first slider 11, a second slider 12, a connector 14, and a traction component 17. A first guide rail 131 is formed on the upper side of the first base 13, and a second guide rail 132 is formed on the lower side. The first slider 11 is slidably sleeved on the first guide rail 131. The second slider 12 is slidably sleeved on the second guide rail 132 and is used to connect to the door panel 3. The two ends of the connector 14 are respectively connected to the first slider 11 and the second slider 12. One end of the traction component 17 is used to connect to the cabinet body 4, and the other end is connected to the first slider 11. During the opening or closing of the door 2, the box body 4 drives the first slider 11 to move on the first guide rail 131 via the traction component 17. The first slider 11 drives the second slider 12 to move in the opposite direction on the second guide rail 132 via the connector 14, so that the second slider 12 drives the door panel 3 to move relative to the width direction of the box body 4.

[0096] By installing a door panel 3 on the cabinet door 2, when the refrigeration equipment is embedded and installed in a recessed space, or between two cabinets, the door panel 3 can be installed flush with the cabinets on the side wall or sides of the recess, thereby reducing the gap between the refrigeration equipment and the adjacent wall or cabinet, making it more aesthetically pleasing.

[0097] Meanwhile, when the door 2 rotates, the active sliding door mechanism 1 can drive the door panel 3 to move relative to the door 2 during the rotation process, so as to move away from the wall or cabinet of the side door of the cabinet 4 as much as possible, so as to avoid these obstacles blocking the door panel 3 and affecting the rotation of the door 2, causing the door 2 to be unable to open or close normally.

[0098] The combination of door 2 and door panel 3 prevents interference between door panel 3 and surrounding objects when the refrigeration equipment is opened and closed, greatly improving ease of use. This design advantage is especially evident in confined kitchen environments. Furthermore, the slider and guide rails within the active sliding door mechanism 1 allow door panel 3 to move smoothly and seamlessly during opening and closing, improving the refrigerator's lifespan and stability.

[0099] It is understood that if the door assembly has the beneficial effects of the above embodiments, then the refrigeration equipment will have the corresponding beneficial effects of the above embodiments. The specific implementation method can be referred to the above embodiments, and will not be repeated in this application.

[0100] In some embodiments, as shown in Figures 1 and 2, the door assembly and the cabinet 4 are disposed within an installation space 8 formed between the first cabinet 6 and the second cabinet 7. An opening is provided on the outer side of the installation space 8, allowing the door assembly and the cabinet 4 to be integrally embedded into the cabinet. During the opening or closing of the storage space by the cabinet door 2 passing through the opening, the active sliding door mechanism 1 is configured to drive the door panel 3 to move a predetermined distance away from or towards the hinge 5 on the cabinet door 2, so that the door panel 3 avoids the side walls of the first cabinet 6 and the second cabinet 7.

[0101] During the opening or closing of the storage space controlled by the opening through the door 2, the active sliding door mechanism 1 is configured to drive the door panel 3 to move a preset distance away from or towards the hinge 5 on the door 2. In order to avoid interference between the door panel 3 and the side walls of the first cabinet 6 and the second cabinet 7, and to ensure that the door panel 3 can open or close smoothly without colliding or getting stuck with the side walls of the cabinets, the door panel 3 can move a preset distance.

[0102] For example, as shown in Figures 1 and 2, during the opening of the cabinet door 2, the active sliding door mechanism 1 drives the door panel 3 to move a preset distance away from the hinge 5 along the cabinet door 2. In this way, the door panel 3 can smoothly avoid the side wall of the second cabinet 7, allowing the cabinet door 2 to be fully opened, making it convenient for users to store and retrieve items.

[0103] Similarly, during the closing process of the cabinet door 2, the active sliding door mechanism 1 drives the door panel 3 to move a preset distance along the cabinet door 2 towards the hinge 5. In this way, the door panel 3 can smoothly avoid the side wall of the first cabinet 6, allowing the cabinet door 2 to be completely closed, maintaining overall aesthetics and airtightness.

[0104] Finally, it should be noted that the above embodiments are for illustrative purposes only and are not intended to limit the scope of this application. Although this application has been described in detail with reference to the embodiments, those skilled in the art should understand that various combinations, modifications, or equivalent substitutions of the technical solutions of this application do not depart from the scope of the technical solutions of this application and should be covered by the scope of the claims of this application.

Claims

1. A door assembly for use in a refrigeration device, the refrigeration device comprising a housing, the door assembly comprising: Active sliding door mechanism, cabinet door and door panel; The cabinet door is rotatably connected to the cabinet body, and the cabinet door is adapted to open or close the storage space of the cabinet body; The door panel is slidably disposed on the outside of the box door; The active sliding door mechanism is disposed on the cabinet door and includes: The first base has a first guide rail formed on the upper side and a second guide rail formed on the lower side; The first slider is slidably sleeved on the outside of the first guide rail; The second slider is slidably sleeved on the outside of the second guide rail for connection with the door panel; The connector has two ends that are respectively connected to the first slider and the second slider; The traction component has one end connected to the housing and the other end connected to the first slider; During the opening or closing of the cabinet door, the cabinet body drives the first slider to move on the first guide rail via the traction component, and the first slider drives the second slider to move in the opposite direction on the second guide rail via the connector, so that the second slider drives the door panel to move relative to the width direction of the cabinet body.

2. The door assembly according to claim 1, wherein, The connector includes: The first connector bypasses one end of the first base and its two ends are respectively connected to one end of the first slider and one end of the second slider; 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.

3. The door assembly according to claim 2, wherein, The active sliding door mechanism also includes: A first fixed base is connected to one end of the first base and forms a first limiting groove. The two ends of the first limiting groove are connected to one end of the first guide rail and the second guide rail. A portion of the first connector is slidably disposed in the first limiting groove. The second fixed base is connected to the other end of the first base and forms a second limiting groove. The two ends of the second limiting groove are connected to the other ends of the first guide rail and the second guide rail. A portion of the second connector is slidably disposed in the second limiting groove.

4. The door assembly according to claim 3, wherein, The first fixing seat and / or the second fixing seat are provided with fixing holes, and the active sliding door mechanism also includes a fixing member, which passes through the fixing hole to connect with the box door.

5. The door assembly according to any one of claims 1-4, wherein, The active sliding door mechanism also includes: A first ball and a second ball; a first rolling gap is formed between the first slider and the first guide rail, and the first ball is rotatably disposed in the first rolling gap; a second rolling gap is formed between the second slider and the second guide rail, and the second ball is rotatably disposed in the second rolling gap.

6. The door assembly according to claim 5, wherein, The active sliding door mechanism also includes: A first support frame is disposed between the first slider and the first guide rail. The first support frame has a first limiting notch at the position corresponding to the first rolling gap. The first ball is disposed in the first limiting notch and abuts against the first slider and the first guide rail. The second support frame is disposed between the second slider and the second guide rail. The second support frame has a second limiting notch at the position corresponding to the first rolling gap. The second ball is disposed in the second limiting notch and abuts against the second slider and the second guide rail.

7. The door assembly according to claim 5, wherein, The first guide rail is provided with a plurality of first concave surfaces arranged sequentially along its circumference, and a first groove is formed on the first slider. The sidewall of the first groove and the plurality of first concave surfaces form a plurality of rows of first rolling gaps. The second guide rail has a plurality of second concave surfaces arranged sequentially along its circumference, and the second slider has a second groove formed thereon. The sidewall of the second groove and the plurality of second concave surfaces form a plurality of rows of second rolling gaps.

8. The door assembly according to any one of claims 1-4, wherein, The door assembly also includes: A driven sliding door mechanism is disposed on the cabinet door and connected to the door panel. The driven sliding door mechanism is used to guide the door panel to move relative to the width direction of the cabinet door during the opening or closing of the cabinet door.

9. The door assembly according to claim 8, wherein, The driven sliding door mechanism (9) includes: The second base is connected to the box door and forms a third guide rail; The third slider is slidably mounted on the third guide rail and connected to the door panel.

10. A refrigeration device, wherein, include: The box-shaped structure forms a storage space; The door assembly as described in any one of claims 1-9, wherein the cabinet door is rotatably connected to the cabinet and is adapted to open or close the storage space.

Images