Door body hinge assembly and refrigeration equipment

Abstract

The utility model relates to the technical field of household appliances, and provides a door hinge assembly and refrigeration equipment, the door hinge assembly comprises a first connecting seat and a second connecting seat, and one end of a first connecting rod assembly is movably connected to the first connecting seat; one end of the second connecting rod assembly is hinged to the other end of the first connecting rod assembly, and the other end is hinged to the second connecting seat; the baffle assembly is arranged at the end, close to the second connecting rod assembly, of the first connecting rod assembly and can be close to or away from the second connecting rod assembly along with rotation of the first connecting rod assembly; in the process that the first connecting rod assembly rotates relative to the second connecting rod assembly, the first connecting base can be driven to be opened and closed by a preset angle relative to the second connecting base, and under the condition that the opening and closing angle between the first connecting base and the second connecting base is a first preset angle, the baffle assembly abuts against the second connecting rod assembly. The supporting strength of the door body hinge assembly at the first preset angle is enhanced by additionally arranging the baffle assembly, and effective supporting is provided for the door body hinge assembly.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of household appliances, in particular to a door hinge assembly and a refrigeration device. BACKGROUND

[0002] At present, in the related art, the refrigerator door needs to be hinged and rotated by a certain angle by a hinge assembly to realize the opening and closing of the refrigerator door. During the opening and closing of the refrigerator door, the hinge assembly needs to bear most of the weight of the refrigerator door. When the hinge assembly is opened by a certain preset angle, the support stiffness reaches the minimum, and at this time, the support ability of the hinge assembly is the worst. Long time at this angle will reduce the service life of the hinge assembly. CONTENT OF THE UTILITY MODEL

[0003] The present application aims to at least solve the technical problem in the related art that when the refrigerator door is unfolded by a certain preset angle during use or rotation, the support ability of the hinge assembly is not enough, resulting in bending and deformation of the hinge assembly, damage, and easy occurrence of the technical problems of loose opening and closing of the refrigerator door, cold leakage and condensation.

[0004] Therefore, the first aspect of the present application provides a door hinge assembly.

[0005] The second aspect of the present application provides a refrigeration device.

[0006] Therefore, the present application provides a door hinge assembly for a refrigeration device. The refrigeration device comprises a door assembly and a cabinet assembly. The door hinge assembly comprises: a first connecting seat and a second connecting seat, the first connecting seat being used for connecting the door assembly, and the second connecting seat being used for connecting the cabinet assembly; a first connecting rod assembly, one end of the first connecting rod assembly being movably connected to the first connecting seat; a second connecting rod assembly, one end of the second connecting rod assembly being hingedly connected to the other end of the first connecting rod assembly, and the other end of the second connecting rod assembly being hingedly connected to the second connecting seat; and a baffle assembly, the baffle assembly being arranged at one end of the first connecting rod assembly close to the second connecting rod assembly, and the baffle assembly being capable of moving close to or away from the second connecting rod assembly with the rotation of the first connecting rod assembly. During the rotation of the first connecting rod assembly relative to the second connecting rod assembly, the first connecting seat is capable of being opened and closed by a preset angle relative to the second connecting seat. When the opening and closing angle between the first connecting seat and the second connecting seat is the first preset angle, the baffle assembly abuts against the second connecting rod assembly.

[0007] The door hinge assembly provided by the application comprises a first connecting seat and a second connecting seat, and a first connecting rod assembly, a second connecting rod assembly and a baffle assembly. The first connecting seat is used for connecting a door body assembly, and the second connecting seat is used for connecting a box body assembly, so as to connect the door body assembly and the box body assembly through the first connecting seat and the second connecting seat, and realize the opening or closing of the door body assembly relative to the box body assembly. One end of the first connecting rod assembly is movably connected to the first connecting seat, and the other end is hingedly connected to the second connecting rod assembly. The other end of the second connecting rod assembly is hingedly connected to the second connecting seat. In this way, the first connecting rod assembly, the first connecting seat, the second connecting rod assembly and the second connecting seat can rotate relative to each other, so that the opening or closing angle between the first connecting seat and the second connecting seat can be flexibly adjusted, and the opening or closing angle between the door body assembly and the box body assembly can be flexibly adjusted.

[0008] In addition, the door hinge assembly further comprises a baffle assembly. The baffle assembly is arranged at one end of the first connecting rod assembly close to the second connecting rod assembly, and the baffle assembly can move close to or away from the second connecting rod assembly along with the rotation of the first connecting rod assembly. That is, the baffle assembly is arranged on the first connecting rod assembly and located at one end close to the second connecting rod assembly. In this way, when the first connecting rod assembly is hingedly rotated relative to the second connecting rod assembly, the baffle assembly can be driven to rotate relative to the second connecting rod assembly, and can move close to or away from the second connecting rod assembly during the rotation.

[0009] In this way, the first connecting rod assembly can rotate relative to the second connecting rod assembly. During the rotation of the first connecting rod assembly relative to the second connecting rod assembly, the first connecting seat can be opened or closed by a preset angle relative to the second connecting seat, that is, the first connecting seat can be opened or closed by a preset angle relative to the second connecting seat. It can also be understood that the door body assembly can be opened by a certain preset angle relative to the box body assembly. When the opening or closing angle between the first connecting seat and the second connecting seat is the first preset angle, the baffle assembly abuts against the second connecting rod assembly. When the door body assembly can be opened by a certain angle relative to the box body assembly, that is, when the opening or closing angle between the first connecting seat and the second connecting seat is the first preset angle, the support stiffness of the door hinge assembly reaches the minimum, that is, the support ability of the door hinge assembly when being opened by the first preset angle is the worst. In this case, the baffle assembly abuts against the second connecting rod assembly through the rotation of the first connecting rod assembly. In this way, the support stiffness of the door hinge assembly at this angle is enhanced through the force of the baffle assembly abutting against the second connecting rod assembly, so as to avoid the problem that the support stiffness of the door hinge assembly is poor when being opened by the first preset angle and is easy to be damaged, thereby providing effective support for the door hinge assembly and improving the service life of the door hinge assembly.

[0010] According to the door hinge assembly provided by the above technical solution of the application, the following additional technical features can be further provided.

[0011] In some embodiments, the first linkage assembly comprises: a first support linkage, one end of the first support linkage being hingedly connected to the second linkage assembly, the other end of the first support linkage being movably connected to the first connecting seat; and a second support linkage, one end of the second support linkage being hingedly connected to the second linkage assembly, the other end of the second support linkage being hingedly connected to the first connecting seat, and the second support linkage being arranged in parallel with the first support linkage on the first connecting seat.

[0012] In this embodiment, the first linkage assembly comprises the first support linkage and the second support linkage. One end of each of the first support linkage and the second support linkage is connected to the first connecting seat, and the other end of each of the first support linkage and the second support linkage is connected to the second linkage assembly. That is, the first support linkage and the second support linkage are arranged in parallel on the first connecting seat, the first support linkage is movably connected to the upper portion of the first connecting seat, and the second support linkage is hingedly connected to the lower portion of the first connecting seat, thereby achieving comprehensive support and flexible adjustment of the first connecting seat.

[0013] In some embodiments, the second linkage assembly comprises: a first rotating linkage, one end of the first rotating linkage being hingedly connected to the second connecting seat, the other end of the first rotating linkage being hingedly connected to the first support linkage; and a second rotating linkage, one end of the second rotating linkage being hingedly connected to the second connecting seat, the other end of the second rotating linkage being hingedly connected to the second support linkage, and the second rotating linkage being arranged in parallel with the first rotating linkage on the second connecting seat.

[0014] In this embodiment, the second linkage assembly comprises the first rotating linkage and the second rotating linkage. One end of each of the first rotating linkage and the second rotating linkage is hingedly connected to the second connecting seat, and the other end of each of the first rotating linkage and the second rotating linkage is hingedly connected to the first support linkage and the second support linkage, respectively. In this way, the first rotating linkage and the second rotating linkage can be driven to move by the movement of the first support linkage and the second support linkage, thereby achieving the opening and closing of the angle between the first connecting seat and the second connecting seat, and the opening and closing of the door body assembly and the box body assembly, and thus achieving the angle adjustment between the first connecting seat and the second connecting seat. Moreover, the first rotating linkage and the second rotating linkage are connected to the upper portion and the lower portion of the second connecting seat, respectively, and are arranged in parallel, which further enhances the structural strength and stability of the entire door body hinge assembly, so that the door body assembly can be more stable when being opened and closed, and the vibration and noise caused by uneven stress are reduced.

[0015] In some embodiments, the baffle assembly comprises: a first baffle, which is arranged at one end of the first support link close to the first rotating link; and a second baffle, which is arranged at one end of the second support link close to the first rotating link; and when the opening and closing angle between the first connecting seat and the second connecting seat is the first preset angle, the first baffle abuts against the first rotating link, and the second baffle abuts against the first rotating link.

[0016] In this embodiment, the baffle assembly comprises a first baffle and a second baffle. The first baffle is arranged at one end of the first support link close to the first rotating link, and the second baffle is arranged at one end of the second support link close to the first rotating link. When the opening and closing angle between the first connecting seat and the second connecting seat is the first preset angle, the first baffle abuts against the first rotating link, and the second baffle abuts against the first rotating link. In this way, through the movement of the first support link relative to the first rotating link and the movement of the second support link relative to the second rotating link, the first baffle and the second baffle can be driven to rotate, respectively, and when the opening and closing angle between the first connecting seat and the second connecting seat is the first preset angle, i.e., at the moment when the support strength of the door hinge assembly is the worst, the first baffle and the second baffle abut against the first rotating link at the same time, thereby providing additional support for the door assembly and improving the stability of the door assembly at this angle, effectively avoiding the risk of bending deformation of the door hinge assembly due to insufficient support stiffness.

[0017] In some embodiments, the door hinge assembly further comprises an adjusting assembly, one end of the adjusting assembly is hingedly connected to the second link assembly, and the other end of the adjusting assembly is movably connected to the first connecting seat.

[0018] In this embodiment, the door hinge assembly further comprises an adjusting assembly. One end of the adjusting assembly is hingedly connected to the second link assembly, and the other end of the adjusting assembly is movably connected to the first connecting seat. In this way, through the adjustment of the adjusting assembly, the first connecting seat can be opened by a preset angle relative to the second connecting seat, i.e., the door assembly can be opened by a preset angle relative to the box assembly, thereby realizing the opening and closing of the door assembly relative to the box assembly.

[0019] In some embodiments, the adjusting assembly comprises: a cam rotating table, which is hingedly connected to the first connecting seat; a first support rod, one end of which is hingedly connected to the cam rotating table, and the other end of which is a hollow shaft; a second support rod, one end of which is hingedly connected to the second link assembly, and the other end of which is inserted into the hollow shaft of the first support rod; and an elastic member, which is sleeved on the first support rod and the second support rod and can be elastically deformed when the first support rod and the second support rod move relative to each other.

[0020] In the technical scheme, the adjusting assembly comprises a cam rotating table, a first supporting rod, a second supporting rod and an elastic member. The cam rotating table is hinged to the first connecting seat, one end of the first supporting rod is hinged to the cam rotating table, and the other end of the first supporting rod is a hollow shaft. One end of the second supporting rod is hinged to the second connecting rod assembly, and the other end of the second supporting rod is inserted into the hollow shaft of the first supporting rod. When the first connecting rod assembly moves relative to the second connecting rod assembly, or when the first connecting seat moves relative to the second connecting seat, the relative length between the first supporting rod and the second supporting rod can be changed by adjusting the depth of the second supporting rod inserted into the hollow shaft of the first supporting rod, so as to realize the fine adjustment of the overall opening angle of the door body hinge assembly. The elastic member is sleeved on the first supporting rod and the second supporting rod, and can be elastically deformed under the stretching and contracting movement between the first supporting rod and the second supporting rod. The elastic deformation of the elastic member can assist the stretching and contracting movement between the first supporting rod and the second supporting rod, so as to adapt to different adjustment requirements and improve the convenience of adjustment.

[0021] In some technical schemes, the adjusting assembly further comprises a roller, which is arranged on the cam rotating table and movably connected with the first connecting seat.

[0022] In the technical scheme, the adjusting assembly further comprises a roller. The roller is arranged on the cam rotating table and movably connected with the first connecting seat. When the first connecting rod assembly moves relative to the second connecting rod assembly, the roller can roll on the first connecting seat in a preset track, so as to adjust the opening angle of the first connecting seat and adjust the opening angle between the first connecting seat and the second connecting seat, thereby adjusting the overall opening angle of the door body hinge assembly.

[0023] In some technical schemes, the door body hinge assembly further comprises a mounting connecting plate arranged on the first connecting seat, and the mounting connecting plate is provided with a sliding part, and the roller is movably connected to the sliding part and rolls on the sliding part to adjust the opening angle of the first connecting seat.

[0024] In the technical scheme, the door body hinge assembly further comprises a mounting connecting plate arranged on the first connecting seat, and the mounting connecting plate is provided with a sliding part, and the roller is movably connected to the sliding part and rolls on the sliding part to adjust the opening angle of the first connecting seat.

[0025] In some technical schemes, the first supporting link and the first baffle are an integral structure, and the second supporting link and the second baffle are an integral structure.

[0026] In the technical solution, the first support connecting rod and the first baffle are in an integral molding structure, so that the first support connecting rod can drive the first baffle to rotate, and when the first support connecting rod rotates relative to the first rotating connecting rod, the first baffle can rotate towards the first rotating connecting rod and abut against the first rotating connecting rod at the first preset angle. Similarly, the second support connecting rod and the second baffle are in an integral molding structure. The second support connecting rod can drive the second baffle to rotate, and when the second support connecting rod rotates relative to the second rotating connecting rod, the second baffle can rotate towards the first rotating connecting rod and abut against the first rotating connecting rod at the first preset angle. The door body assembly is provided with additional support force, the stability of the door body assembly at the first preset angle is improved, and the risk of bending and deformation of the door body hinge assembly due to insufficient support stiffness is effectively avoided.

[0027] In some technical solutions, optionally, the preset angle is α, and the first preset angle is β, wherein the preset angle α satisfies: -2°≤α≤115°, and the first preset angle β satisfies: β=50°.

[0028] In the technical solution, the first connecting seat can be opened and closed relative to the second connecting seat by a preset angle, the preset angle is α, and the preset angle α satisfies: -2°≤α≤115°. That is, the opening angle range of the first connecting seat relative to the second connecting seat is between -2° and 115°, the maximum opening angle of the first connecting seat relative to the second connecting seat is 115°, and the minimum opening angle is -2°, that is, through the door body hinge assembly, the opening angle range of the door body assembly relative to the box body assembly is between -2° and 115°. When the opening and closing angle between the first connecting seat and the second connecting seat is the first preset angle β, the first preset angle β satisfies: β=50°, that is, when the opening and closing angle between the first connecting seat and the second connecting seat is the first preset angle β equal to 50°, experiments prove that the overall support stiffness of the door body hinge assembly is the smallest at this time, and bending and deformation is prone to occur due to the inability to withstand the weight of the door body assembly.

[0029] In some technical solutions, optionally, the door body hinge assembly further comprises a mounting plate, the mounting plate is arranged on the first connecting seat and is used for connecting the door body assembly, so that the door body hinge assembly is connected with the door body assembly through the mounting plate.

[0030] In the technical solution, the door body hinge assembly further comprises a mounting plate. The mounting plate is arranged between the first connecting seat and the door body assembly and is used for connecting the door body assembly and the first connecting seat, so that the door body hinge assembly is connected with the door body assembly through the mounting plate.

[0031] According to the second aspect of the present application, a refrigeration device is also proposed, comprising: at least one door hinge assembly as in the above-mentioned scheme, and a door assembly, the door assembly being connected to the first connecting seat of the door hinge assembly; and a box assembly, the box assembly being connected to the second connecting seat of the door hinge assembly, and the door assembly can be pivotally opened or closed relative to the box assembly through the door hinge assembly.

[0032] The refrigeration equipment provided in the present application includes the door hinge assembly of the above technical solution, and therefore has all the beneficial effects of the door hinge assembly, which will not be described in detail here.

[0033] In addition, the refrigeration device further includes a door assembly and a cabinet assembly. A first connection base of the door hinge assembly is connected to the door assembly, and a second connection base of the door hinge assembly is connected to the cabinet assembly. The door assembly can be pivotally opened or closed relative to the cabinet assembly via the door hinge assembly, thereby enabling the door assembly to be opened or closed at any angle.

[0034] Additional aspects and advantages of the present application will become apparent in the following description or may be learned through practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0036] Figure 1 This is a schematic diagram of a door hinge assembly according to an embodiment of the present application unfolded at a preset angle α;

[0037] Figure 2 This is a schematic diagram of a door hinge assembly according to an embodiment of the present application unfolded at a preset angle β;

[0038] Figure 3 for Figure 1 A schematic structural diagram of the first supporting link in the door hinge assembly of the illustrated embodiment;

[0039] Figure 4 for Figure 1 A schematic structural diagram of the second supporting link in the door hinge assembly of the illustrated embodiment;

[0040] Figure 5 for Figure 1 A schematic structural diagram of an adjustment assembly in a door hinge assembly according to the illustrated embodiment;

[0041] Figure 6 for Figure 5 A schematic structural diagram of a cam rotating platform in an adjustment assembly of the illustrated embodiment;

[0042] Figure 7 for Figure 5A schematic structural diagram of the first support rod in the adjustment assembly of the illustrated embodiment;

[0043] Figure 8 for Figure 5 A schematic structural diagram of the second support rod in the adjustment assembly of the illustrated embodiment;

[0044] Figure 9 for Figure 1 A schematic structural diagram of the first connecting seat in the door hinge assembly of the illustrated embodiment;

[0045] Figure 10 for Figure 1 A schematic structural diagram of a mounting plate in a door hinge assembly of the illustrated embodiment;

[0046] Figure 11 This is a schematic structural diagram of a refrigeration device according to an embodiment of the present application.

[0047] in, Figures 1 to 11 The corresponding relationship between the reference numerals and component names is as follows:

[0048] 100 door hinge assembly, 110 first connecting seat, 120 second connecting seat, 130 first connecting rod assembly, 132 first supporting link, 134 second supporting link, 140 second connecting rod assembly, 142 first rotating link, 144 second rotating link, 150 baffle assembly, 152 first baffle, 154 second baffle, 160 adjustment assembly, 162 cam rotating platform, 164 first support rod, 166 second support rod, 168 elastic member, 170 hollow shaft, 172 roller, 180 mounting connecting plate, 182 sliding part, 190 mounting plate, 200 refrigeration equipment, 210 door assembly, 220 box assembly. DETAILED DESCRIPTION

[0049] In order to more clearly understand the above-mentioned objectives, features and advantages of the present application, the present application is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other in the absence of conflict.

[0050] In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present application is not limited to the specific embodiments disclosed below.

[0051] Refer to the following Figures 1 to 11 The door hinge assembly 100 and the refrigeration equipment 200 provided in accordance with some embodiments of the present application are described below. Figures 1 to 11 As shown, Figure 1 This is a schematic diagram of a door hinge assembly 100 deployed at a preset angle α according to an embodiment of the present application; Figure 2 A schematic view of the door hinge assembly 100 of an embodiment of the present application at a preset angle β; Figure 3 A schematic view of the door hinge assembly 100 of an embodiment of the present application at a preset angle β; Figure 1 A schematic view of the first support link 132 of the door hinge assembly 100 of an embodiment of the present application; Figure 4 A schematic view of the first support link 132 of the door hinge assembly 100 of an embodiment of the present application; Figure 1 A schematic view of the second support link 134 of the door hinge assembly 100 of an embodiment of the present application; Figure 5 A schematic view of the second support link 134 of the door hinge assembly 100 of an embodiment of the present application; Figure 1 A schematic view of the adjustment assembly 160 of the door hinge assembly 100 of an embodiment of the present application; Figure 6 A schematic view of the adjustment assembly 160 of the door hinge assembly 100 of an embodiment of the present application; Figure 5 A schematic view of the cam rotating table 162 of the adjustment assembly 160 of an embodiment of the present application; Figure 7 A schematic view of the first support link 132 of the door hinge assembly 100 of an embodiment of the present application; Figure 5 A schematic view of the first support link 132 of the door hinge assembly 100 of an embodiment of the present application; Figure 8 A schematic view of the second support link 134 of the door hinge assembly 100 of an embodiment of the present application; Figure 5 A schematic view of the second support link 134 of the door hinge assembly 100 of an embodiment of the present application; Figure 9 A schematic view of the first connecting seat 110 of the door hinge assembly 100 of an embodiment of the present application; Figure 1 A schematic view of the first connecting seat 110 of the door hinge assembly 100 of an embodiment of the present application; Figure 10 A schematic view of the mounting plate 190 of the door hinge assembly 100 of an embodiment of the present application; Figure 1 A schematic view of the mounting plate 190 of the door hinge assembly 100 of an embodiment of the present application; Figure 11 A schematic view of the refrigeration device 200 of an embodiment of the present application.

[0052] As Figure 1 and Figure 2As shown, one embodiment of the door hinge assembly 100 provided by the present application is used in a refrigeration device 200, which comprises a door assembly 210 and a cabinet assembly 220. The door hinge assembly 100 comprises a first connecting seat 110 and a second connecting seat 120, the first connecting seat 110 is used to connect the door assembly 210, and the second connecting seat 120 is used to connect the cabinet assembly 220; a first connecting rod assembly 130, one end of the first connecting rod assembly 130 is movably connected to the first connecting seat 110; a second connecting rod assembly 140, one end of the second connecting rod assembly 140 is hingedly connected to the other end of the first connecting rod assembly 130, and the other end of the second connecting rod assembly 140 is hingedly connected to the second connecting seat 120; a baffle assembly 150, which is arranged at one end of the first connecting rod assembly 130 close to the second connecting rod assembly 140, and the baffle assembly 150 can move close to or away from the second connecting rod assembly 140 along with the rotation of the first connecting rod assembly 130; wherein, the first connecting rod assembly 130 can drive the first connecting seat 110 to open or close at a preset angle relative to the second connecting seat 120 during the rotation of the first connecting rod assembly 130 relative to the second connecting rod assembly 140, and the baffle assembly 150 abuts against the second connecting rod assembly 140 when the opening or closing angle between the first connecting seat 110 and the second connecting seat 120 is the first preset angle.

[0053] Specifically, as shown in Figure 1 and Figure 2 The door hinge assembly 100 comprises the first connecting seat 110 and the second connecting seat 120, and the first connecting rod assembly 130, the second connecting rod assembly 140 and the baffle assembly 150. The first connecting seat 110 is used to connect the door assembly 210, and the second connecting seat 120 is used to connect the cabinet assembly 220, so as to connect the door assembly 210 and the cabinet assembly 220 through the first connecting seat 110 and the second connecting seat 120, and realize the opening or closing of the door assembly 210 relative to the cabinet assembly 220. One end of the first connecting rod assembly 130 is movably connected to the first connecting seat 110, and the other end is hingedly connected to the second connecting rod assembly 140, and the other end of the second connecting rod assembly 140 is hingedly connected to the second connecting seat 120. Thus, the first connecting rod assembly 130, the first connecting seat 110, the first connecting rod assembly 130, the second connecting rod assembly 140, and the second connecting rod assembly 140 and the second connecting seat 120 can rotate relative to each other, so as to flexibly adjust the opening or closing angle between the first connecting seat 110 and the second connecting seat 120, and flexibly adjust the opening or closing angle between the door assembly 210 and the cabinet assembly 220.

[0054] In addition, as shown in Figure 1 and Figure 2As shown, the door hinge assembly 100 further comprises a baffle assembly 150, which is arranged at one end of the first link assembly 130 close to the second link assembly 140 and can be close to or away from the second link assembly 140 along with the rotation of the first link assembly 130. That is, the baffle assembly 150 is arranged on the first link assembly 130 and located at one end close to the second link assembly 140, so that when the first link assembly 130 is hingedly rotated relative to the second link assembly 140, the baffle assembly 150 can be rotated relative to the second link assembly 140 and can be close to or away from the second link assembly 140 during the rotation.

[0055] In the process of rotating the first link assembly 130 relative to the second link assembly 140, the first connecting seat 110 can be opened and closed by a preset angle relative to the second connecting seat 120, that is, the first connecting seat 110 can be opened and closed by a preset angle relative to the second connecting seat 120, which can also be understood as that the door assembly 210 can be opened by a certain preset angle relative to the cabinet assembly 220. When the opening and closing angle between the first connecting seat 110 and the second connecting seat 120 is the first preset angle, the baffle assembly 150 abuts against the second link assembly 140. Since the door assembly 210 can be opened by a certain angle relative to the cabinet assembly 220, that is, when the opening and closing angle between the first connecting seat 110 and the second connecting seat 120 is the first preset angle, the support stiffness of the door hinge assembly 100 reaches the minimum, that is, the support ability of the door hinge assembly 100 is the worst when it is opened by the first preset angle. In this case, the baffle assembly 150 abuts against the second link assembly 140 through the rotation of the first link assembly 130, so that the support stiffness of the door hinge assembly 100 at this angle is enhanced by the force of the baffle assembly 150 abutting against the second link assembly 140, avoiding the problem that the support stiffness of the door hinge assembly 100 is poor when it is opened to the first preset angle and is easy to be damaged, thereby providing effective support for the door hinge assembly 100 and improving the service life of the door hinge assembly 100.

[0056] Specifically, in the related art, the refrigerator door needs to be hingedly rotated by a certain angle to realize the opening and closing of the refrigerator door during use or rotation, and the hinge assembly needs to bear most of the weight of the refrigerator door during the opening or closing of the refrigerator door. When the hinge assembly is opened by a certain preset angle, the support stiffness reaches the minimum, and at this time the support ability of the hinge assembly is the worst, and long time at this angle will reduce the service life of the hinge assembly.

[0057] To solve this problem, the present application provides a door hinge assembly, Figure 1 and Figure 2As shown, by setting a door hinge assembly 100 containing a baffle assembly 150, the support strength of the door assembly 210 relative to the cabinet assembly 220 is enhanced when the door assembly 210 is opened to a certain angle, i.e. a first preset angle. Specifically, when the door assembly 210 is opened to a certain angle, such as a first preset angle 50°, relative to the cabinet assembly 220 through the door hinge assembly 100, the overall support stiffness of the door hinge assembly 100 at this time reaches the minimum, and is prone to bending deformation due to the weight of the door assembly 210. The baffle assembly 150 in the present application, driven by the first connecting rod assembly 130, just abuts against the second connecting rod assembly 140 at this time, thereby providing additional support force, effectively making up for the insufficient support stiffness of the door hinge assembly 100 at this time.

[0058] Specifically, the design of the baffle assembly 150 takes advantage of the motion characteristics of the door hinge assembly 100 itself. During the rotation of the first connecting rod assembly 130 relative to the second connecting rod assembly 140, the baffle assembly 150 gradually approaches the second connecting rod assembly 140 with the rotation of the first connecting rod assembly 130, until it closely fits at the first preset angle, forming an effective support structure. This design not only improves the support strength of the door hinge assembly 100 at a certain angle, but also maintains the overall simplicity and smoothness of the door hinge assembly 100.

[0059] Specifically, the door assembly 210 is connected to the first connecting seat 110 of the door hinge assembly 100, and the cabinet assembly 220 is connected to the second connecting seat 120 of the door hinge assembly 100. Through the flexible rotation of the door hinge assembly 100, the door assembly 210 can be pivotally opened or closed relative to the cabinet assembly 220, realizing the normal opening and closing function of the refrigeration equipment 200. At the same time, due to the adoption of the door hinge assembly 100 provided by the present application, the support strength of the door hinge assembly 100 is effectively guaranteed during long-term use of the refrigeration equipment 200, avoiding damage and failure caused by insufficient support stiffness, and improving the reliability and service life of the refrigeration equipment 200. The door hinge assembly 100 provided by the present application effectively solves the problem of insufficient support capacity of the door hinge assembly at a certain angle in the related art by introducing the baffle assembly 150, and improves the overall performance and user experience of the refrigeration equipment 200.

[0060] In some embodiments, optionally, as Figure 1 and Figure 2As shown, the first linkage assembly 130 comprises: a first support linkage 132, one end of the first support linkage 132 is hinged to the second linkage assembly 140, and the other end of the first support linkage 132 is movably connected to the first connecting seat 110; and a second support linkage 134, one end of the second support linkage 134 is hinged to the second linkage assembly 140, and the other end of the second support linkage 134 is hinged to the first connecting seat 110, and the first support linkage 132 and the second support linkage 134 are arranged side by side on the first connecting seat 110.

[0061] Specifically, as shown in the drawings, Figure 2 As shown, the first linkage assembly 130 comprises a first support linkage 132 and a second support linkage 134. One end of the first support linkage 132 and the second support linkage 134 is connected to the first connecting seat 110, and the other end of the first support linkage 132 and the second support linkage 134 is connected to the second linkage assembly 140, that is, the first support linkage 132 and the second support linkage 134 are arranged on the first connecting seat 110, and are arranged in parallel, the first support linkage 132 is movably connected to the upper part of the first connecting seat 110, and the second support linkage 134 is hinged to the lower part of the first connecting seat 110, thereby achieving comprehensive support and flexible adjustment of the first connecting seat 110.

[0062] Specifically, the first linkage assembly 130 is subdivided into a first support linkage 132 and a second support linkage 134, which enhances the structural stability and load-bearing capacity of the door hinge assembly 100. One end of the first support linkage 132 and the second support linkage 134 is hinged to the second linkage assembly 140, and the other end is movably connected to the first connecting seat 110. In this way, not only is the smooth movement of the door assembly 210 during opening and closing ensured, but also the pressure of the weight of the door assembly 210 on the door hinge assembly 100 is effectively dispersed, thereby prolonging the service life of the door hinge assembly 100.

[0063] Specifically, the first support linkage 132 and the second support linkage 134 are arranged side by side on the first connecting seat 110, which enables them to jointly bear the weight of the door assembly 210, thereby enhancing the stability of the door hinge assembly 100 when bearing heavy loads. At the same time, since the two support linkages are arranged side by side, the interaction between them can effectively resist the lateral force that may be generated during the opening of the door assembly 210, thereby preventing the door from shaking or deviating.

[0064] In addition, the hinged design between the first support linkage 132, the second support linkage 134, the first connecting seat 110, and the second linkage assembly 140 enables the door hinge assembly 100 to maintain high flexibility during rotation. In this way, the door assembly 210 can be smoothly opened and closed in a small space, thereby improving the use convenience of the refrigeration equipment 200.

[0065] In some embodiments, optionally, as shown in Figure 1 and Figure 2 The second linkage assembly 140 includes a first rotating linkage 142, one end of which is hinged to the second connecting seat 120, and the other end of which is hinged to the first supporting linkage 132. The second linkage assembly 140 also includes a second rotating linkage 144, one end of which is hinged to the second connecting seat 120, and the other end of which is hinged to the second supporting linkage 134. The first rotating linkage 142 and the second rotating linkage 144 are arranged side by side on the second connecting seat 120.

[0066] Specifically, as shown in Figure 2 The second linkage assembly 140 includes the first rotating linkage 142 and the second rotating linkage 144. One end of each of the first rotating linkage 142 and the second rotating linkage 144 is hinged to the second connecting seat 120, and the other end of each of the first rotating linkage 142 and the second rotating linkage 144 is hinged to the first supporting linkage 132 and the second supporting linkage 134, respectively. In this way, the movement of the first supporting linkage 132 and the second supporting linkage 134 can drive the movement of the first rotating linkage 142 and the second rotating linkage 144, thereby achieving the opening and closing of the angle between the first connecting seat 110 and the second connecting seat 120, and thus achieving the opening and closing between the door body assembly 210 and the box body assembly 220, and thus achieving the angle adjustment between the first connecting seat 110 and the second connecting seat 120. Moreover, the first rotating linkage 142 and the second rotating linkage 144 are connected to the upper and lower parts of the second connecting seat 120, respectively, and are arranged in parallel, which further enhances the structural strength and stability of the entire door body hinge assembly 100. This makes the door body assembly 210 more stable when opening and closing, and reduces the vibration and noise caused by uneven stress.

[0067] Specifically, one end of each of the first rotating linkage 142 and the second rotating linkage 144 is hinged to the second connecting seat 120, which maintains a certain flexibility of the first rotating linkage 142 and the second rotating linkage 144 during rotation, while ensuring their firm connection with the second connecting seat 120. At the other end, the first rotating linkage 142 is hinged to the first supporting linkage 132, and the second rotating linkage 144 is hinged to the second supporting linkage 134, which enables the first rotating linkage 142 and the second rotating linkage 144 to work cooperatively, support the weight of the door body assembly 210 together, and guide the door body assembly 210 to open and close according to the predetermined trajectory.

[0068] In addition, the first rotating link 142 and the second rotating link 144 are arranged side by side on the second connecting seat 120, which not only enhances the stability of the structure, but also makes the interaction between the two groups of links more balanced, thereby improving the overall performance of the door hinge system. It helps to reduce wear and tear or damage caused by uneven stress, prolonging the service life of the door hinge assembly 100.

[0069] In some embodiments, as shown in Figure 1 and Figure 2 The baffle assembly 150 includes a first baffle 152 arranged at one end of the first support link 132 close to the first rotating link 142, and a second baffle 154 arranged at one end of the second support link 134 close to the first rotating link 142. When the opening and closing angle between the first connecting seat 110 and the second connecting seat 120 is the first preset angle, the first baffle 152 abuts against the first rotating link 142, and the second baffle 154 abuts against the first rotating link 142.

[0070] Specifically, as shown in Figure 3 and Figure 4 The baffle assembly 150 includes a first baffle 152 and a second baffle 154. The first baffle 152 is arranged at one end of the first support link 132 close to the first rotating link 142, and the second baffle 154 is arranged at one end of the second support link 134 close to the first rotating link 142. When the opening and closing angle between the first connecting seat 110 and the second connecting seat 120 is the first preset angle, the first baffle 152 abuts against the first rotating link 142, and the second baffle 154 abuts against the first rotating link 142. In this way, through the movement of the first support link 132 relative to the first rotating link 142 and the movement of the second support link 134 relative to the second rotating link 144, the first baffle 152 and the second baffle 154 can be driven to rotate, respectively, and when the opening and closing angle between the first connecting seat 110 and the second connecting seat 120 is the first preset angle, i.e. when the door hinge assembly 100 has the worst support strength, the first baffle 152 and the second baffle 154 abut against the first rotating link 142 at the same time, providing additional support for the door assembly 210 and improving the stability of the door assembly 210 at that angle, effectively avoiding the risk of bending deformation of the door hinge assembly 100 due to insufficient support stiffness.

[0071] Specifically, the design of the baffle assembly 150 enhances the support strength of the door hinge assembly 100 at a specific opening angle. The baffle assembly 150 specifically includes a first baffle 152 and a second baffle 154. The first baffle 152 is arranged at one end of the first support link 132 close to the first rotating link 142, and the second baffle 154 is correspondingly arranged at one end of the second support link 134 close to the first rotating link 142. When the door assembly 210 reaches a specific opening angle, i.e., a first preset angle of 50°, between the first connecting seat 110 and the second connecting seat 120 through the door hinge assembly 100, the first baffle 152 abuts against the first rotating link 142, and at the same time, the second baffle 154 also abuts against the first rotating link 142. Thus, by utilizing the structure of the first rotating link 142 and the second rotating link 144 of the door hinge assembly 100, when the overall support stiffness of the door hinge assembly 100 reaches the lowest point at the first preset angle, the abutment of the first baffle 152 and the second baffle 154 provides additional support force for the door assembly 210, improves the stability of the door assembly 210 at this angle, and effectively avoids the risk of bending deformation of the door hinge assembly 100 due to insufficient support stiffness.

[0072] In some embodiments, optionally, as shown in Figure 1 、 Figure 2 and Figure 5 , the door hinge assembly 100 further includes an adjusting assembly 160. One end of the adjusting assembly 160 is hinged to the second link assembly 140, and the other end of the adjusting assembly 160 is movably connected to the first connecting seat 110.

[0073] Specifically, as shown in Figure 5 , the door hinge assembly 100 further includes an adjusting assembly 160. One end of the adjusting assembly 160 is hinged to the second link assembly 140, and the other end of the adjusting assembly 160 is movably connected to the first connecting seat 110. In this way, by adjusting the adjusting assembly 160, the first connecting seat 110 can be opened to a preset angle relative to the second connecting seat 120, i.e., the door assembly 210 can be opened to a preset angle relative to the cabinet assembly 220, thereby realizing the opening and closing of the door assembly 210 relative to the cabinet assembly 220.

[0074] Specifically, the provision of the adjusting assembly 160 provides the door hinge assembly 100 with higher flexibility and adjustability. Through the adjusting assembly 160, the user can adjust the opening angle of the door assembly 210 according to actual needs, thereby meeting different application scenarios and individualized needs.

[0075] Specifically, one end of the adjusting assembly 160 is hinged to the second connecting rod assembly 140, so that the adjusting assembly 160 rotates at the hinge point to a certain extent to adapt to different opening states of the door body assembly 210. At the other end, the adjusting assembly 160 is movably connected to the first connecting seat 110, so that the adjusting assembly 160 can move and adjust within a certain range, thereby fine-tuning the overall performance of the door body hinge assembly 100.

[0076] In some embodiments, as shown in Figures 5 to 8 , the adjusting assembly 160 includes a cam rotating table 162 hinged to the first connecting seat 110, a first supporting rod 164 having one end hinged to the cam rotating table 162 and the other end being a hollow shaft 170, and a second supporting rod 166 having one end hinged to the second connecting rod assembly 140 and the other end inserted into the hollow shaft 170 of the first supporting rod 164. A resilient member 168 is sleeved on the first supporting rod 164 and the second supporting rod 166 and can be elastically deformed when the first supporting rod 164 and the second supporting rod 166 move relative to each other.

[0077] Specifically, as shown in Figure 5 , Figure 6 , Figure 7 and Figure 8 , the adjusting assembly 160 includes the cam rotating table 162, the first supporting rod 164, the second supporting rod 166, and the resilient member 168. The cam rotating table 162 is hinged to the first connecting seat 110, one end of the first supporting rod 164 is hinged to the cam rotating table 162, and the other end of the first supporting rod 164 is a hollow shaft 170. One end of the second supporting rod 166 is hinged to the second connecting rod assembly 140, and the other end of the second supporting rod 166 is inserted into the hollow shaft 170 of the first supporting rod 164, so that when the first connecting rod assembly 130 moves relative to the second connecting rod assembly 140 or the first connecting seat 110 moves relative to the second connecting seat 120, the relative length between the first supporting rod 164 and the second supporting rod 166 can be changed by adjusting the depth of the second supporting rod 166 inserted into the hollow shaft 170 of the first supporting rod 164, thereby fine-tuning the overall opening angle of the door body hinge assembly 100. The resilient member 168 is sleeved on the first supporting rod 164 and the second supporting rod 166 and can be elastically deformed when the first supporting rod 164 and the second supporting rod 166 move relative to each other. The elastic deformation of the resilient member 168 can assist the extension and contraction movement between the first supporting rod 164 and the second supporting rod 166 to adapt to different adjustment requirements and improve the convenience of adjustment.

[0078] Specifically, the adjusting assembly 160 provides the door hinge assembly 100 with more delicate and flexible adjusting functions. The adjusting assembly 160 includes a cam rotating table 162, a first supporting rod 164, a second supporting rod 166, and an elastic member 168, which work together to precisely control and adjust the opening angle, closing tightness, and overall stability of the door assembly 210. The cam rotating table 162 is hinged to the first connecting seat 110, so that the cam rotating table 162 can perform a rotating motion on the first connecting seat 110. By rotating the cam rotating table 162, the position of the first supporting rod 164 relative to the first connecting seat 110 can be changed, thereby adjusting the opening angle of the first connecting seat 110 and adjusting the overall opening and closing angle of the door hinge assembly 100. One end of the first supporting rod 164 is hinged to the cam rotating table 162, and the other end is provided as a hollow shaft 170. This allows the first supporting rod 164 to maintain structural strength while accommodating the insertion of the second supporting rod 166, thereby realizing the relative extension and contraction motion between the first supporting rod 164 and the second supporting rod 166. One end of the second supporting rod 166 is hinged to the second connecting rod assembly 140, and the other end is inserted into the hollow shaft 170 of the first supporting rod 164. By adjusting the depth of the second supporting rod 166 inserted into the hollow shaft 170, the relative length between the first supporting rod 164 and the second supporting rod 166 can be changed, thereby fine-tuning the overall opening and closing angle of the door hinge assembly 100 and fine-tuning the support stiffness of the door hinge assembly 100. The elastic member 168 is sleeved on the first supporting rod 164 and the second supporting rod 166. Specifically, the elastic member 168 is a spring, which provides a buffering and damping effect for the relative extension and contraction motion between the first supporting rod 164 and the second supporting rod 166, and also maintains a certain tension during adjustment to ensure the stability and reliability of the adjusting assembly 160. In the case of mutual extension and contraction between the first supporting rod 164 and the second supporting rod 166, the spring can deform to adapt to different adjustment requirements.

[0079] In some embodiments, optionally, as shown in Figure 5 and Figure 6 The adjusting assembly 160 further includes a roller 172, which is arranged on the cam rotating table 162 and is movably connected with the first connecting seat 110.

[0080] Specifically, as shown in Figure 5 and Figure 6As shown, the adjusting assembly 160 further comprises a roller 172. The roller 172 is arranged on the cam rotating table 162 and movably connected with the first connecting seat 110. In this way, when the first connecting link assembly 130 moves relative to the second connecting link assembly 140, the roller 172 can roll on the first connecting seat 110 in a preset track, thereby adjusting the opening angle of the first connecting seat 110 and adjusting the opening angle between the first connecting seat 110 and the second connecting seat 120, so as to adjust the overall opening angle of the door hinge assembly 100.

[0081] In some embodiments, as shown in Figure 1 , Figure 2 and Figure 9 , the door hinge assembly 100 further comprises a mounting connecting plate 180 arranged on the first connecting seat 110. The mounting connecting plate 180 is provided with a sliding portion 182, and the roller 172 is movably connected with the sliding portion 182 and rolls on the sliding portion 182 to adjust the opening angle of the first connecting seat 110.

[0082] Specifically, as shown in Figure 9 , the door hinge assembly 100 further comprises a mounting connecting plate 180 arranged on the first connecting seat 110. The mounting connecting plate 180 is provided with a sliding portion 182, and the roller 172 is movably connected with the sliding portion 182 and rolls on the sliding portion 182 to adjust the opening angle of the first connecting seat 110.

[0083] In some embodiments, as shown in Figure 1 , the first supporting link 132 and the first baffle 152 are in an integral molding structure, and the second supporting link 134 and the second baffle 154 are in an integral molding structure.

[0084] Specifically, as shown in Figure 3 and Figure 4As shown, the first support link 132 and the first baffle 152 are integrally formed, so that the first support link 132 can drive the first baffle 152 to rotate, and when the first support link 132 rotates relative to the first rotating link 142, the first baffle 152 can rotate towards the first rotating link 142 and abut against the first rotating link 142 at the first preset angle. Similarly, the second support link 134 and the second baffle 154 are integrally formed. The second support link 134 can drive the second baffle 154 to rotate, and when the second support link 134 rotates relative to the second rotating link 144, the second baffle 154 can rotate towards the first rotating link 142 and abut against the first rotating link 142 at the first preset angle. The door body assembly 210 is provided with additional support force, improving the stability of the door body assembly 210 at the first preset angle, and effectively avoiding the risk of bending and deforming of the door hinge assembly 100 due to insufficient support stiffness.

[0085] Specifically, as shown in Figure 3 and Figure 4 , the first support link 132 and the first baffle 152 are integrally formed, which can be integrally formed by casting or integrally formed by welding, and the first support link 132 and the first baffle 152 are connected at a certain angle, so that the first baffle 152 can abut against the first rotating link 142 when the first support link 132 rotates. Similarly, the second support link 134 and the second baffle 154 are integrally formed, which can be integrally formed by casting or integrally formed by welding, and the second support link 134 and the second baffle 154 are connected at a certain angle, so that the second baffle 154 can abut against the first rotating link 142 when the second support link 134 rotates.

[0086] In some embodiments, as shown in Figure 1 and Figure 2 , the preset angle is a, and the first preset angle is β, wherein the preset angle a satisfies: -2°≤a≤115°, and the first preset angle β satisfies: β=50°.

[0087] Specifically, as shown in Figure 1As shown, the first connecting seat 110 can be opened and closed relative to the second connecting seat 120 by a certain preset angle, the preset angle is set as a, and the preset angle a satisfies: -2°≤a≤115°. That is, the angle range that the first connecting seat 110 can be opened relative to the second connecting seat 120 is between -2° and 115°, the maximum angle that the first connecting seat 110 can be opened relative to the second connecting seat 120 is 115°, and the minimum angle is -2°, that is, through the door body hinge assembly 100, the angle range that the door body assembly 210 is opened and closed relative to the box body assembly 220 is between -2° and 115°. In the case that the opening and closing angle between the first connecting seat 110 and the second connecting seat 120 is the first preset angle β, the first preset angle β satisfies: β=50°, that is, in the case that the opening and closing angle between the first connecting seat 110 and the second connecting seat 120 is the first preset angle β equal to 50°, experiments prove that the overall support stiffness of the door body hinge assembly 100 is the smallest at this time, and it is easy to be bent and deformed due to unable to withstand the weight of the door body assembly 210.

[0088] Specifically, as shown in Figure 2 , when the first preset angle β is equal to 50°, since the overall support stiffness of the door body hinge assembly 100 is the smallest at this time, it is easy to be bent and deformed due to unable to withstand the weight of the door body assembly 210. By setting the baffle assembly 150, under the drive of the first connecting rod assembly 130, it just abuts against the second connecting rod assembly 140 at this time, thereby providing additional support force, effectively making up for the insufficient support stiffness of the door body hinge assembly 100 at this time.

[0089] In some embodiments, optionally, as shown in Figure 1 and Figure 10 , the door body hinge assembly 100 further comprises a mounting plate 190, the mounting plate 190 is arranged on the first connecting seat 110, and is used for connecting the door body assembly 210, so that the door body hinge assembly 100 is connected with the door body assembly 210 through the mounting plate 190.

[0090] Specifically, as shown in Figure 10 , the door body hinge assembly 100 further comprises a mounting plate 190. Wherein, the mounting plate 190 is arranged between the first connecting seat 110 and the door body assembly 210, and is used for connecting the door body assembly 210 and the first connecting seat 110, so that the door body hinge assembly 100 is connected with the door body assembly 210 through the mounting plate 190.

[0091] Specifically, as shown in Figure 1 and Figure 2As shown, the present application provides a door hinge assembly 100, that is, a variable stiffness multi-link hinge is provided. By adding a baffle assembly 150 on one side of the first link assembly 130 of the door hinge assembly 100, when the first link assembly 130 is rotated to a first preset angle, the baffle assembly 150 will abut against the second link assembly 140 with the rotation of the first link assembly 130. The force of the baffle assembly 150 abutting against the second link assembly 140 is used to enhance the support strength of the hinge device at this angle, avoiding the problem that the support stiffness of the door hinge assembly 100 will deteriorate when it is opened to the first preset angle, and is prone to damage.

[0092] Specifically, the present application provides a variable stiffness multi-link hinge similar to a hornbill beak type. The variable stiffness multi-link hinge includes a spiral type horizontal moving link, a rotating link, a spring assembly, and a spiral type baffle, as well as a fixed plate and a connecting plate. The spiral type horizontal moving link includes a front spiral type horizontal moving link and a rear spiral type horizontal moving link. The rotating link includes a front rotating link and a rear rotating link. The spiral type baffle includes a first spiral type baffle and a second spiral type baffle. The top of the front spiral type horizontal moving link is connected to the connecting plate, the bottom is connected to the front rotating link, the bottom of the front spiral type horizontal moving link is provided with the first spiral type baffle, the top of the rear spiral type horizontal moving link is connected to the connecting plate, the middle is connected to the rear rotating link, and the bottom is provided with the second spiral type baffle. The spiral type horizontal moving link is internally provided with the spring assembly, which includes a cam rotating table 162, a spring upper shaft, a spring lower shaft, and a spring. The cam rotating table includes a roller and a rotating device. The spring is installed on the outer edge of the spring upper shaft and the spring lower shaft. The connection structure between the spiral type horizontal moving link, the rotating link, the fixed plate, and the connecting plate is designed according to the muscle structure combination of the hornbill beak. The connecting plate is designed according to the hornbill beak crown process structure. The link mechanism of the spiral type horizontal moving link and the rotating link is designed according to the hornbill beak upper jaw structure. The fixed plate is designed according to the lower jaw structure of the hornbill beak oral cavity structure. The tail end of the rotating link is cut by 10 mm, and the bottom end is cut by 5 mm with a circular radius, so as to avoid interference problems during rotation.

[0093] Specifically, the spiral type horizontal moving link and the rotating link each include a gasket and a pin shaft sleeve. The front end of the spiral type horizontal moving link is provided with a gasket, and the rear end is provided with a pin shaft sleeve. The front end and the tail end of the spiral type horizontal moving link are each provided with a gasket and a pin shaft sleeve, and the middle end is connected to the rotating link. The front end and the tail end of the rotating link are each provided with a gasket and a pin shaft sleeve, and the middle end is connected to the spiral type horizontal moving link. The tail end of the rotating link is provided with a gasket and a pin shaft sleeve.

[0094] Specifically, the top of the fixed plate is connected to the rotating link. The bottom surface of the fixed plate is provided with two countersunk bolt holes. The two hinge holes of the fixed plate are 25° to the vertical direction.

[0095] Further, the connecting plate is connected with the front and rear helical type horizontal moving connecting rods respectively, and a semicircular arc profile is arranged inside the connecting plate, two countersunk bolt holes are arranged inside the connecting plate, and a bent plate is arranged on the outermost part of the connecting plate, which is vertically connected with the door body assembly of the refrigerator, and two bolt holes are arranged on the vertical surface of the bent plate with a distance of 55mm.

[0096] Specifically, the spring assembly comprises a cam rotating table, a spring upper shaft, a spring and a spring lower shaft, the cam rotating table is provided with a roller, which ensures that the cam rotating table can rotate along the arc profile inside the connecting plate during rotation, the spring upper shaft is a hollow shaft, the spring lower shaft is a solid shaft, and the spring is sleeved outside the spring upper shaft and the spring lower shaft, and when the spring is compressed during movement, the spring lower shaft enters the hollow part inside the spring upper shaft.

[0097] Specifically, the helical type horizontal moving connecting rod is connected with the hinge hole in the middle of the connecting plate, the rotating connecting rod is hingedly connected with the bottom of the fixed plate, the maximum opening angle is 115°, and the minimum closing angle is -2°, and the rotating connecting rod has a protruding circular ring with a radius of 8mm arc in the middle.

[0098] Specifically, the height of the helical type horizontal moving connecting rod and the boss at the two ends of the rotating connecting rod is 1mm, the outer diameter of the gasket is 8mm, the inner diameter is 6mm, and the gasket is matched with the pin shaft sleeve and installed between the pin shaft and the hinge hole.

[0099] According to the second aspect of the present application, as Figure 11 shown, a refrigeration device 200 is also provided, which comprises at least one door hinge assembly 100 according to the above-mentioned embodiments, and a door body assembly 210 connected to the first connecting seat 110 of the door hinge assembly 100, and a cabinet assembly 220 connected to the second connecting seat 120 of the door hinge assembly 100, and the door body assembly 210 can be opened or closed relative to the cabinet assembly 220 through the door hinge assembly 100.

[0100] The refrigeration device 200 provided by the present application has all the beneficial effects of the door hinge assembly 100 according to the above-mentioned embodiments, and thus the detailed description is omitted here.

[0101] In addition, as Figure 11 shown, the refrigeration device 200 further comprises a door body assembly 210 and a cabinet assembly 220. The first connecting seat 110 of the door hinge assembly 100 is connected to the door body assembly 210, the second connecting seat 120 of the door hinge assembly 100 is connected to the cabinet assembly 220, and the door body assembly 210 can be opened or closed relative to the cabinet assembly 220 through the door hinge assembly 100, so as to realize the opening or closing of the door body assembly 210 at any angle.

[0102] In the description of the application, the term "a plurality" means two or more, unless otherwise expressly specified. The terms "upper", "lower", and the like, indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, and are only used to facilitate the description of the application and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application. The terms "connection", "installation", "fixation" and the like should be understood broadly, for example, "connection" can be fixed connection, or detachable connection, or integral connection; can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0103] In the description of the application, the terms "one embodiment", "some embodiments", "a specific embodiment" and the like are intended to mean 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 application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0104] The above is only the preferred embodiment of the application and is not intended to limit the application. For those skilled in the art, the application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the application shall be included in the protection scope of the application.

Claims

1. A door hinge assembly, characterized in that: Used for refrigeration equipment, the refrigeration equipment includes a door assembly and a box assembly, and the door hinge assembly includes: a first connecting seat and a second connecting seat, wherein the first connecting seat is used to connect the door assembly, and the second connecting seat is used to connect the box assembly; a first connecting rod assembly, one end of which is movably connected to the first connecting seat; a second connecting rod assembly, one end of the second connecting rod assembly being hinged to the other end of the first connecting rod assembly, and the other end of the second connecting rod assembly being hinged to the second connecting seat; a baffle assembly, disposed at one end of the first connecting rod assembly close to the second connecting rod assembly, and the baffle assembly can move closer to or away from the second connecting rod assembly as the first connecting rod assembly rotates; In which, during the rotation of the first connecting rod assembly relative to the second connecting rod assembly, the first connecting seat can be driven to open and close a preset angle relative to the second connecting seat. When the opening and closing angle between the first connecting seat and the second connecting seat is a first preset angle, the baffle assembly abuts against the second connecting rod assembly.

2. The door hinge assembly according to claim 1, characterized in that: The first connecting rod assembly includes: a first supporting link, one end of the first supporting link being hinged to the second link assembly, and the other end of the first supporting link being movably connected to the first connecting seat; A second supporting link, one end of the second supporting link is hinged to the second link assembly, the other end of the second supporting link is hinged to the first connecting seat, and the second supporting link and the first supporting link are arranged side by side on the first connecting seat.

3. The door hinge assembly according to claim 2, characterized in that: The second connecting rod assembly includes: a first rotating link, one end of the first rotating link being hinged to the second connecting seat, and the other end of the first rotating link being hinged to the first supporting link; A second rotating link, one end of the second rotating link is hinged to the second connecting seat, the other end of the second rotating link is hinged to the second supporting link, and the second rotating link and the first rotating link are arranged side by side on the second connecting seat.

4. The door hinge assembly according to claim 3, characterized in that: The baffle assembly comprises: a first baffle, the first baffle being arranged at one end of the first supporting link close to the first rotating link; a second baffle, the second baffle being disposed at one end of the second supporting link close to the first rotating link; When the opening and closing angle between the first connecting seat and the second connecting seat is the first preset angle, the first baffle abuts against the first rotating link, and the second baffle abuts against the first rotating link.

5. The door hinge assembly according to claim 1, characterized in that: The door hinge assembly further comprises an adjusting assembly, one end of which is hinged to the second connecting rod assembly, and the other end of which is movably connected to the first connecting seat.

6. The door hinge assembly according to claim 5, characterized in that: The adjustment component includes: a cam rotating platform, the cam rotating platform being hinged to the first connecting seat; a first support rod, one end of which is hinged to the cam rotating platform, and the other end of which is a hollow shaft; a second support rod, one end of the second support rod being hinged to the second connecting rod assembly, and the other end of the second support rod being inserted into the hollow shaft of the first support rod; An elastic member is sleeved on the first support rod and the second support rod, and the elastic member can be telescopically deformed when the first support rod and the second support rod move telescopically with each other.

7. The door hinge assembly according to claim 6, characterized in that: The adjustment component further includes a roller, which is disposed on the cam rotating platform and movably connected to the first connecting seat.

8. The door hinge assembly according to claim 7, characterized in that: The door hinge assembly also includes an installation connecting plate, which is arranged on the first connecting seat. The installation connecting plate is provided with a sliding portion. The roller is movably connected to the sliding portion, and the roller rolls on the sliding portion to adjust the opening and closing angle of the first connecting seat.

9. The door hinge assembly according to claim 4, characterized in that: The first supporting link and the first baffle are an integrally formed structure, and the second supporting link and the second baffle are an integrally formed structure.

10. The door hinge assembly according to any one of claims 1 to 9, characterized in that: The preset angle is α, and the first preset angle is β, wherein the preset angle α satisfies: -2°≤α≤115°, and the first preset angle β satisfies: β=50°.

11. A refrigeration device, characterized in that: comprising at least one door hinge assembly according to any one of claims 1 to 10; and A door assembly connected to the first connection seat of the door hinge assembly; A box assembly is connected to the second connecting seat of the door hinge assembly, and the door assembly can be pivotally opened or closed relative to the box assembly through the door hinge assembly.

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