Refrigerator

Abstract

The embodiment of the utility model provides a refrigerator, and belongs to the technical field of household appliances. The refrigerator comprises a refrigerator body; a door body; the hinge assembly comprises a mounting seat; the first rod piece is rotationally connected with the mounting seat through a first hinge shaft; the second rod piece is rotationally connected with the mounting seat through a second hinge shaft; the third rod piece is rotationally connected with the first rod piece through a third hinge shaft, and the third rod piece is rotationally connected with the second rod piece through a fourth hinge shaft; the fourth rod piece is rotationally connected with the second rod piece through a fifth hinge shaft; the fifth rod piece is rotationally connected with the third rod piece through a sixth hinge shaft and rotationally connected with the fourth rod piece through a seventh hinge shaft; when the door opening angle is a first door opening angle, the axis point of the sixth hinge shaft is located on a first reference line; when the door opening angle is a second door opening angle, the axis point of the sixth hinge shaft is located on a second reference line; when the door opening angle is larger than the second door opening angle, the axis point of the sixth hinge shaft is located on the outer side of the second reference line.

Description

[0001] This application claims the priority of a Chinese patent application with the application number 202421117575.7 and the application title "Refrigerator" filed with the Chinese Patent Office on May 21, 2024, the entire content of which is incorporated herein by reference. Technical Field

[0002] Embodiments of the present disclosure relate to the technical field of household appliances, and particularly to a refrigerator. Background Art

[0003] Currently, flush-mounted refrigerators have received extensive attention. A flush-mounted refrigerator refers to a refrigerator that can be embedded in a cabinet, and the distance between the outer sidewall of the refrigerator and the inner sidewall of the cabinet is usually within 5 mm, and the front panel of the door body of the refrigerator is approximately flush with the front panel of the cabinet.

[0004] In the related art, a flush-mounted refrigerator generally includes a box body, a door body, and a biaxial hinge. The box body is configured with a refrigerating compartment having an access opening. The door body is connected to the box body through the biaxial hinge and is used to open or close the access opening. A first track groove and a second track groove are provided at the top or bottom of the door body. The biaxial hinge includes a hinge plate, a first hinge shaft, and a second hinge shaft. The hinge plate is connected to the box body. The first hinge shaft and the second hinge shaft are both connected to the hinge plate and are respectively slidably disposed in the first track groove and the second track groove. When a pulling force or a pushing force is applied to the door body, the first hinge shaft slides in the first track groove, and the second hinge shaft slides in the second track groove, so that the pivot point during the rotation of the door body relative to the box body moves, thereby preventing the door body from interfering with the cabinet.

[0005] However, when using a biaxial hinge, due to the limited thickness of the door body, the extending trajectories of the first track groove and the second track groove are restricted. The front panel of the door body is flush with the cabinet, and there is a gap of 2 - 4 mm reserved on both sides of the door body. The maximum opening angle of the door body is 90° - 105°, and the maximum opening angle of the door body cannot be further increased. Moreover, when the opening angle is the maximum opening angle, in the horizontal direction parallel to the plane where the access opening is located, due to the limitation of the first track groove and the second track groove, the distance that the door body moves relative to the box body towards the outside of the box body is small, so that the door body will block the access opening, resulting in the problem of inconvenient access to items.

[0006] To solve the above technical problems, the inventor tried to apply the hinge of a storage cabinet in the home furnishing field to a flush-mounted refrigerator. However, for a refrigerator equipped with the hinge in the related art, the front panel of the door body is flush with the cabinet, and there is a gap of 2 - 4 mm reserved on both sides of the door body. The maximum opening angle of the door body is 90° - 114°, and the maximum opening angle of the door body still cannot be further increased. Moreover, when the opening angle is the maximum opening angle, the door body still blocks the access opening, and there is still the problem of inconvenient access to items. Utility Model Content

[0007] An embodiment of the present disclosure provides a refrigerator, which can solve the technical problems that the opening angle of the door body cannot be further increased, and the access opening is blocked when the door body is at the maximum opening angle, making it inconvenient to take and place items.

[0008] In a first aspect, an embodiment of the present disclosure provides a refrigerator, which includes:

[0009] A cabinet, which is configured with a storage compartment. The cabinet has a front wall of the cabinet located on the front side, and a side wall of the cabinet connected to the front wall of the cabinet;

[0010] A door body, which is used to open or close the storage compartment. The door body is rotatably connected to the cabinet through a hinge assembly; the door body includes a front wall of the door, a rear wall of the door, and two side walls of the door; when the door body is closed, both the front wall of the door and the rear wall of the door are parallel to the front wall of the cabinet, and the front wall of the door is farther from the cabinet than the rear wall of the door; the angle between the front wall of the door and the front wall of the cabinet is the opening angle; the two side walls of the door are oppositely arranged and are both connected to the front wall of the door and the rear wall of the door; the side wall close to the hinge assembly is the first side wall of the door;

[0011] Wherein, the hinge assembly includes:

[0012] A mounting seat, which is connected to the front wall of the cabinet;

[0013] A first rod, the first end of which is rotatably connected to the mounting seat through a first hinge shaft;

[0014] A second rod, the first end of which is rotatably connected to the mounting seat through a second hinge shaft. The center point of the second hinge shaft is closer to the front wall of the cabinet and closer to the center of the storage compartment than the center point of the first hinge shaft;

[0015] A third rod, the middle part of which is rotatably connected to the second end of the first rod through a third hinge shaft, and the first end of the third rod is rotatably connected to the middle part of the second rod through a fourth hinge shaft;

[0016] A fourth rod, the first end of which is rotatably connected to the second end of the second rod through a fifth hinge shaft;

[0017] A fifth rod, which is fixedly connected to the door body. The first end of the fifth rod is rotatably connected to the second end of the third rod through a sixth hinge shaft; the second end of the fifth rod is rotatably connected to the second end of the fourth rod through a seventh hinge shaft;

[0018] Apply a pulling force to the door body. During the process of opening the door body from the closed state, the fifth rod drives the third rod and the fourth rod, such that the third rod rotates relative to the fifth rod in a first direction, and such that the fourth rod rotates relative to the fifth rod in the first direction; the third rod drives the first rod and the second rod, such that the first rod rotates relative to the mounting base in a second direction opposite to the second direction, and such that the second rod rotates relative to the mounting base in the second direction; the fourth rod drives the second rod, such that the second rod rotates relative to the mounting base in the second direction; wherein, the second direction is opposite to the first direction.

[0019] Apply a pushing force to the door body. During the process of closing the door body, the fifth rod drives the third rod and the fourth rod, such that the third rod rotates relative to the fifth rod in the second direction, and such that the fourth rod rotates relative to the fifth rod in the second direction; the third rod drives the first rod and the second rod, such that the first rod rotates relative to the mounting base in the first direction, and such that the second rod rotates relative to the mounting base in the first direction; the fourth rod drives the second rod, such that the second rod rotates relative to the mounting base in the first direction.

[0020] Wherein, during the process of the door body opening from the closed state, the opening angle gradually increases, the length of the line connecting the center points of the first hinge axis and the sixth hinge axis gradually increases, the length of the line connecting the center points of the second hinge axis and the sixth hinge axis gradually increases, and the length of the line connecting the center points of the second hinge axis and the seventh hinge axis gradually increases.

[0021] During the process of opening the door body, when the opening angle has not reached a first preset opening angle, it is the first door opening stage; when the opening angle reaches the first preset opening angle and has not reached a second preset opening angle greater than the first preset opening angle, it is the second door opening stage; during the first door opening stage, the center point of the sixth hinge axis moves towards the inner side of the refrigerator; during the second door opening stage, the center point of the sixth hinge axis moves towards the outer side of the refrigerator.

[0022] The hinge assembly has a first reference line and a second reference line; the first reference line passes through the center point of the second hinge axis and is parallel to the side wall of the box; the second reference line passes through the center point of the first hinge axis and is parallel to the side wall of the box.

[0023] Wherein, in the second door opening stage, when the door opening angle is the first door opening angle, the center point of the sixth hinge shaft is located on the first reference line; when the door opening angle is the second door opening angle, the center point of the sixth hinge shaft is located on the second reference line; when the door opening angle is greater than the second door opening angle, the center point of the sixth hinge shaft is located outside the second reference line.

[0024] Both the first door opening angle and the second door opening angle are between the first preset door opening angle and the second preset door opening angle, and the first door opening angle is less than the second door opening angle.

[0025] In the refrigerator according to the embodiment of the present application, in the second door opening stage, the center point of the sixth hinge shaft passes through the first reference line and the second reference line in sequence, which can make the center point of the sixth hinge shaft move as far as possible to the outside of the refrigerator during the process of opening the door body, so that the first door side wall of the door body moves to the outside of the refrigerator, which is beneficial to preventing the first side edge and the second side edge of the door body from blocking the access opening. Moreover, it can also make the third rod connected to the sixth hinge shaft and the fourth hinge shaft connected to the third rod deviate sufficiently to the outside of the refrigerator to minimize the blockage of the access opening by the fourth hinge shaft. Secondly, it can also make the angle between the line connecting the center points of the sixth hinge shaft and the seventh hinge shaft and the line connecting the center points of the first hinge shaft and the seventh hinge shaft always have a sufficient angle as much as possible, so as to avoid the overlap of the line connecting the center points of the sixth hinge shaft and the seventh hinge shaft and the line connecting the center points of the first hinge shaft and the seventh hinge shaft during the process of opening the door body as much as possible, so that the quadrilateral formed in the hinge assembly can always maintain a relatively stable shape, and the hinge assembly can support the door body more stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present disclosure or the implementation manners in the related art, the following will briefly introduce the drawings required for use in the description of the embodiments or the related art. Obviously, the following drawings are some embodiments of the present disclosure. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings.

[0027] Figure 1 It is a schematic structural diagram of a refrigerator in some embodiments of the present disclosure;

[0028] Figure 2 It is a schematic structural diagram of a refrigerator in some other embodiments of the present disclosure;

[0029] Figure 3 It is a schematic structural diagram of a refrigerator in some other embodiments of the present disclosure;

[0030] Figure 4is Figure 3 Partial top view schematic diagram of the refrigerator in

[0031] Figure 5 is Figure 4 Partial enlarged schematic diagram at position D in

[0032] Figure 6 is Figure 5 Stereo structure schematic diagram of the hinge assembly in

[0033] Figure 7 Schematic diagram of the refrigerator door body opened to 50° in some embodiments of the present disclosure;

[0034] Figure 8 Schematic diagram of the refrigerator door body opened to 115° in some embodiments of the present disclosure;

[0035] Figure 9 Schematic diagram of the refrigerator door body opened to the maximum opening angle in some embodiments of the present disclosure;

[0036] Figure 10 Schematic diagram of the refrigerator door body opened to the maximum opening angle in the related art;

[0037] Figure 11 Schematic diagram of the refrigerator door body opened to 60° in some embodiments of the present disclosure;

[0038] Figure 12 is Figure 11 Schematic diagram of the hinge assembly in

[0039] Figure 13 Schematic diagram of the refrigerator door body closed in some embodiments of the present disclosure;

[0040] Figure 14 is Figure 13 Schematic diagram of the hinge assembly and the movement trajectory of EP in

[0041] Figure 15 Schematic diagram of the refrigerator door body closed in the related art;

[0042] Figure 16 is Figure 15 Schematic diagram of the hinge assembly in

[0043] Figure 17 is Figure 9 Schematic diagram of the hinge assembly in

[0044] Figure 18 Schematic diagram of the change trend of EP during the process of opening the door body in some embodiments of the present disclosure;

[0045] Figure 19Schematic diagram of the changing trend of EP during the process of opening the door body in some other embodiments of the present disclosure;

[0046] Figure 20 Schematic diagram of the changing trend of EP during the process of opening the door body in some other embodiments of the present disclosure;

[0047] Figure 21 Schematic diagram of the changing trend of EP during the process of opening the door body in some other embodiments of the present disclosure;

[0048] Figure 22 Schematic diagram of the changing trend of EP during the process of opening the door body in some other embodiments of the present disclosure;

[0049] Figure 23 is Figure 13 Schematic diagram of the movement trajectories of the hinge assembly and FP in

[0050] Figure 24 Schematic diagram of the changing trend of FP during the process of opening the door body in some embodiments of the present disclosure;

[0051] Figure 25 Schematic diagram of the changing trend of FP during the process of opening the door body in some other embodiments of the present disclosure;

[0052] Figure 26 Schematic diagram of the changing trend of FP during the process of opening the door body in some other embodiments of the present disclosure;

[0053] Figure 27 Schematic diagram of the changing trend of FP during the process of opening the door body in some other embodiments of the present disclosure;

[0054] Figure 28 Schematic diagram of the changing trend of FP during the process of opening the door body in some other embodiments of the present disclosure;

[0055] Figure 29 Schematic diagram of the hinge assembly when the door body is closed in some embodiments of the present disclosure;

[0056] Figure 30 Schematic diagram of the hinge assembly when the door body is closed in some other embodiments of the present disclosure;

[0057] Figure 31 Schematic diagram of the hinge assembly when the door body is closed in the related art;

[0058] Figure 32 Schematic diagram of the hinge assembly when the door body is closed in some other embodiments of the present disclosure;

[0059] Figure 33 Schematic diagram of the hinge assembly when the door body is closed in some other embodiments of the present disclosure;

[0060] Figure 34 Schematic diagram of the hinge assembly when the door body is closed in some other embodiments of the present disclosure;

[0061] Figure 35 Schematic diagram of the hinge assembly when the door body is closed in some other embodiments of the present disclosure;

[0062] Figure 36 Schematic diagram of the hinge assembly when the door body is closed in some other embodiments of the present disclosure;

[0063] Figure 37 Schematic diagram of the refrigerator in some embodiments of the present disclosure when the door body is opened to 110°;

[0064] Figure 38 is Figure 37 schematic diagram of the hinge assembly therein;

[0065] Figure 39 Schematic diagram of the movement trajectories of point L and the main trajectory point P in some embodiments of the present disclosure;

[0066] Figure 40 Schematic diagram of the hinge assembly in some embodiments of the present disclosure;

[0067] Figure 41 Schematic diagram of the refrigerator in some embodiments of the present disclosure when the door body is opened to 30°;

[0068] Figure 42 Schematic diagram of the refrigerator in some embodiments of the present disclosure when the door body is opened to 90°.

[0069] Reference numerals:

[0070] 100 - Cabinet;

[0071] 110 - Front wall of the cabinet; 120 - Rear wall of the cabinet;

[0072] 130 - Side wall of the cabinet;

[0073] 200 - Door body;

[0074] 210 - Front wall of the door; 220 - Rear wall of the door;

[0075] 230 - First side wall of the door; 240 - Second side wall of the door;

[0076] 250 - Top wall of the door; 251 - Installation groove;

[0077] 252 - First opening; 253 - Second opening;

[0078] 254 - First side wall of the groove;

[0079] 300 - Hinge assembly;

[0080] 310 - Mounting base; 311 - First mounting plate;

[0081] 312 - Second mounting plate; 320 - First rod;

[0082] 330 - Second rod; 340 - Third rod;

[0083] 350 - Fourth rod; 360 - Fifth rod;

[0084] 371 - First hinge shaft; 372 - Second hinge shaft;

[0085] 373 - Third hinge shaft; 374 - Fourth hinge shaft;

[0086] 375 - Fifth hinge shaft; 376 - Sixth hinge shaft;

[0087] 377 - Seventh hinge shaft;

[0088] 400 - Cabinet;

[0089] 410 - Accommodation chamber; 411 - Accommodation side wall;

[0090] 420 - Front cabinet wall. Detailed implementation manner

[0091] Next, the technical solutions in some embodiments of the present disclosure will be clearly and completely described in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all of the embodiments. Based on the embodiments provided by the present disclosure, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present disclosure.

[0092] Unless the context requires otherwise, throughout the specification and claims, the term "comprise" and its other forms, such as the third-person singular form "comprises" and the present participle form "comprising", are interpreted in an open, inclusive sense, i.e., "including, but not limited to". In the description of the specification, the terms "one embodiment", "some embodiments", "exemplary embodiments", "example", "specific example", or "some examples", etc. are intended to indicate that the specific features, structures, materials, or characteristics related to the embodiment or example are included in at least one embodiment or example of the present disclosure. The schematic representations of the above terms do not necessarily refer to the same embodiment or example. In addition, the specific features, structures, materials, or characteristics may be included in any one or more embodiments or examples in any appropriate manner.

[0093] Hereinafter, terms such as "first", "second", etc. are used only for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with terms such as "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the embodiments of the present disclosure, unless otherwise specified, the meaning of "a plurality" is two or more.

[0094] When describing some embodiments, the expressions "coupled" and "connected" and their derivatives may be used. The term "connected" should be understood in a broad sense. For example, "connected" may be a fixed connection, a detachable connection, or an integral one; it may be directly connected or indirectly connected through an intermediate medium. The term "coupled" indicates that two or more components have direct physical contact or electrical contact. The term "coupled" or "communicatively coupled" may also refer to two or more components that do not have direct contact with each other but still cooperate or interact with each other. The embodiments disclosed herein are not necessarily limited to the content herein.

[0095] "At least one of A, B, and C" has the same meaning as "at least one of A, B, or C", and both include the following combinations of A, B, and C: only A, only B, only C, the combination of A and B, the combination of A and C, the combination of B and C, and the combination of A, B, and C.

[0096] "A and / or B" includes the following three combinations: only A, only B, and the combination of A and B.

[0097] The use of "for" or "configured to" herein is intended to be open and inclusive language that does not exclude devices being for or configured to perform additional tasks or steps.

[0098] As used herein, "about," "substantially," or "approximately" includes the stated value and an average value that is within an acceptable range of deviation from the particular value, where the acceptable range of deviation is determined by one of ordinary skill in the art taking into account the measurements in question and the errors associated with the measurement of the particular quantity (i.e., the limitations of the measurement system).

[0099] As used herein, "parallel", "perpendicular", and "equal" include the situations described and situations similar to the situations described, and the range of the similar situations is within the acceptable deviation range, wherein the acceptable deviation range is determined by a person of ordinary skill in the art taking into account the measurement being discussed and the errors associated with the measurement of a particular quantity (i.e., the limitations of the measurement system). For example, "parallel" includes absolute parallelism and approximate parallelism, wherein the acceptable deviation range of approximate parallelism can be, for example, a deviation within 5°; "perpendicular" includes absolute perpendicularity and approximate perpendicularity, wherein the acceptable deviation range of approximate perpendicularity can also be, for example, a deviation within 5°. "Equal" includes absolute equality and approximate equality, wherein the acceptable deviation range of approximate equality can be, for example, the difference between the two equals is less than or equal to 2% of either one. "Unchanged" includes absolute equality and approximate equality, wherein the acceptable deviation range of approximate equality can be, for example, the difference between the two equals is less than or equal to 2% of either one.

[0100] In the description of the present disclosure, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present disclosure.

[0101] Hereinafter, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings. In the accompanying drawings, a side of the refrigerator facing a user when in use is defined as a front side, and a side opposite thereto is defined as a rear side.

[0102] refer to Figure 1 , Figure 2 and Figure 3 , the refrigerator of the embodiment of the present disclosure may include a cabinet 100 having a storage chamber, a door body 200 connected to the cabinet 100 to open and close the storage chamber, and a refrigeration device that provides coldness to the storage chamber.

[0103] Exemplarily, the box body 100 may include an inner box, an outer box, and a first heat insulation layer. The inner box is used to form a storage chamber. The storage chamber is used to store items such as food ingredients. The storage chamber may be provided with an access opening through which a user can put items into the storage chamber or take items out of the storage chamber. The outer box may be connected to the outside of the inner box to form the appearance of the refrigerator. The first heat insulation layer may be filled between the inner box and the outer box to block heat transfer between the storage chamber and the external space of the box body 100.

[0104] In some embodiments of the present disclosure, the box body 100 may be configured with multiple storage chambers. The multiple storage chambers may include a refrigerating chamber and a freezing chamber. The internal temperature of the refrigerating chamber may be maintained between about 0°C and 5°C to store items in a refrigerating mode. The internal temperature of the freezing chamber may be maintained between about -30°C and 0°C to store items in a freezing mode. In addition, the multiple storage chambers may further include other chambers, such as a vacuum chamber, a variable temperature chamber, etc., which are not described in detail in the embodiments of the present disclosure.

[0105] In some embodiments of the present disclosure, the refrigerating chamber and the freezing chamber may be arranged along the height direction of the refrigerator. For example, the refrigerating chamber may be located above the freezing chamber. In other embodiments of the present disclosure, the refrigerating chamber and the freezing chamber may also be arranged in other ways. For example, the refrigerating chamber and the freezing chamber may also be arranged along the width direction of the refrigerator.

[0106] Exemplarily, the door body 200 may include a door housing, a door inner liner, and a second heat insulation layer. When the door body 200 is in the closed state, the door inner liner faces the storage chamber. The door housing may be connected to the side of the door inner liner facing away from the storage chamber to form the appearance of the refrigerator. The second heat insulation layer may be filled between the door housing and the door inner liner to block heat transfer between the storage chamber and the external space of the door body 200 when the door body 200 is closed.

[0107] The door body 200 may be connected to the box body 100 through a hinge assembly 300. For example, the access opening of the storage chamber may be formed on the front side of the box body 100, and the door body 200 may be connected to the front side of the box body 100 through the hinge assembly 300 so that the door body 200 can rotate relative to the box body 100 to open or close the access opening of the storage chamber. When the door body 200 is opened, a user can put in or take out items through the access opening. When the door body 200 is closed, the items can be placed in the storage chamber for low-temperature storage.

[0108] The number of door bodies 200 may be correspondingly set according to the number of storage chambers. For example Figure 1 As shown, the box body may be configured with two storage chambers, and the two storage chambers may be arranged along the width direction of the refrigerator. Each storage chamber may be correspondingly provided with a door body 200. For example Figure 2As shown, the box body can be configured with two storage compartments, and the two storage compartments can be arranged along the height direction of the refrigerator. Each storage compartment can be correspondingly provided with two door bodies 200. The two door bodies 200 are respectively connected to the box body 100 through hinge assemblies 300. The two door bodies 200 can rotate in opposite directions relative to the box body 100 to open or close the storage compartment. As Figure 3 As shown, the box body can be configured with two storage compartments, and the two storage compartments can be arranged along the height direction of the refrigerator. Among them, the storage compartment located above the refrigerator can be correspondingly provided with two door bodies 200. The two door bodies 200 are respectively connected to the box body 100 through hinge assemblies 300. The two door bodies 200 can rotate in opposite directions relative to the box body 100 to open or close the storage compartment located above.

[0109] The same door body 200 can be connected to the refrigerator through one hinge assembly 300. Alternatively, the same door body 200 can also be connected to the refrigerator through multiple hinge assemblies 300. Taking the example that the same door body 200 is connected to the box body 100 through two hinge assemblies 300, the hinge assembly 300 can be arranged at the top of the door body 200, for example Figures 1 to 3 in the area a shown. The hinge assembly 300 can also be arranged at the bottom of the door body 200, for example Figures 1 to 3 in the area b shown.

[0110] Next, taking the refrigerator shown in Figure 3 as an example and combining with Figure 4 and Figure 5 , the embodiments of the present disclosure will be described in detail. Figure 4 For the partial top view schematic diagram when the refrigerator in Figure 3 is placed in the cabinet 400, the partial area of the refrigerator shown in Figure 4 is the area C shown in Figure 3 . Figure 5 For the partial enlarged schematic diagram at D in Figure 4 .

[0111] Referring to Figure 3 , Figure 4 and Figure 5, the cabinet 400 may be provided with a receiving chamber 410. The receiving chamber 410 has two receiving side walls 411 disposed opposite to each other. The cabinet 400 has a cabinet front wall 420 located on the front side. The cabinet front wall 420 intersects with the receiving side wall 411 to form a cabinet side edge R. The box body 100 may be received in the receiving chamber 410. The box body 100 may include a box front wall 110, a box rear wall 120, and two box side walls 130. The box front wall 110 may be located on the front side of the refrigerator, and a pick-up opening may be formed in the box front wall 110. Exemplarily, the box front wall 110 may be a side wall of the box housing located on the front side of the refrigerator. This side wall may be docked with the side wall of the box inner liner adjacent to the pick-up opening. The box rear wall 120 may be located on the rear side of the refrigerator and is disposed opposite to the box front wall 110. The two box side walls 130 may be disposed opposite to each other and are both connected to the box front wall 110 and the box rear wall 120. The distance between the box side wall 130 and the receiving side wall 411 may be within 5 mm. The hinge assembly 300 may be connected to the box front wall 110 and is close to the box side wall 130.

[0112] The door body 200 may include a door front wall 210, a door rear wall 220, two door side walls, a door top wall 250, and a door bottom wall. When the door body 200 is closed, both the door front wall 210 and the door rear wall 220 are parallel to the box front wall 110 when the door body 200 is closed, and the door front wall 210 is farther from the box body 100 than the door rear wall 220. The two door side walls are disposed opposite to each other and are both connected to the door front wall 210 and the door rear wall 220. The door top wall 250 is located above the door front wall 210, the door rear wall 220, and the two door side walls and is connected to the door front wall 210, the door rear wall 220, and the two door side walls. The door bottom wall is located below the door front wall 210, the door rear wall 220, and the two door side walls and is connected to the door front wall 210, the door rear wall 220, and the two door side walls. Among the two door side walls, the side wall close to the hinge assembly 300, that is, close to the cabinet 400, is the first door side wall 230, and the other door side wall is the second door side wall 240. The hinge assembly 300 may be connected to the door top wall 250 and is close to the first door side wall 230.

[0113] The intersection of the door front wall 210 and the first door side wall 230 of the door body 200 forms a first side edge J, and the intersection of the first door side wall 230 and the door rear wall 220 forms a second side edge K. When the door body 200 is closed, the first side edge J is located on the side away from the box body 100 of the second side edge K.

[0114] It should be noted that when the front door wall 210 and the first door side wall 230 are both flat wall surfaces, the intersection line of the plane where the front door wall 210 is located and the plane where the first door side wall 230 is located is the theoretical first side edge J. A transition fillet is provided at the intersection of the front door wall 210 and the first door side wall 230 to form a curved surface extending along the height direction of the door body 200. For the convenience of description, any straight line extending along the height direction of the door body 200 on this curved surface is used to represent the first side edge J. Similarly, a transition fillet is provided at the intersection of the rear door wall 220 and the first door side wall 230, and the intersection line of the planes where the rear door wall 220 and the first door side wall 230 are located can be used to represent the second side edge K, or a straight line that is close to and parallel to this intersection line can be used to represent the second side edge K.

[0115] The hinge assembly 300 can be connected to the top door wall 250 or the bottom door wall. Exemplarily, the top door wall 250 or the bottom door wall can be provided with a mounting groove 251, and the hinge assembly 300 can be mounted in the mounting groove 251. As Figure 4 and Figure 5 shown, taking the top door wall 250 being provided with the mounting groove 251 as an example, when the door body 200 is closed, a first opening 252 can be provided on the side of the mounting groove 251 facing the front wall 110 of the box. A second opening 253 can be provided on the side of the mounting groove 251 facing the cabinet 400, and the second opening 253 is communicated with the first opening 252. In other words, when the door body 200 is closed, both the side of the mounting groove 251 facing the front wall 110 of the box and the side facing the cabinet 400 are open, and during the process of opening or closing the door body 200, it can prevent the groove wall of the mounting groove 251 from interfering with the hinge assembly 300 and restricting the movement range of the door body 200.

[0116] A door seal can be provided on the rear door wall 220 of the door body 200. When the door body 200 is closed, the door seal can surround the access opening and be in contact with the front wall 110 of the box body 100, so that the door body 200 and the box body 100 can be hermetically connected, thereby preventing the cold air in the storage room from leaking out. For example, the door seal can be an annular rubber strip. Next, continue to refer to Figure 6 、 Figure 7 、 Figure 8 and Figure 9 to describe the hinge assembly 300 of the present disclosure embodiment in detail. It should be noted that the opening angle of the door body 200 refers to, as Figure 7 shown, the included angle α between the front door wall 210 and the front wall 110 of the box during the process of opening the door body 200, hereinafter referred to as the opening angle α.

[0117] The hinge assembly 300 can include a mounting seat 310, a first rod 320, a second rod 330, a third rod 340, a fourth rod 350, and a fifth rod 360.

[0118] The mounting base 310 can be connected to the front wall 110 of the box body 100.

[0119] The first rod 320, the second rod 330, the third rod 340, the fourth rod 350, and the fifth rod 360 all have opposite first ends and second ends.

[0120] The first end of the first rod 320 can be rotatably connected to the mounting base 310 through a first hinge shaft 371. The axis point of the first hinge shaft 371 is the axis point A, and the first rod 320 and the mounting base 310 can rotate relative to each other around the axis point A.

[0121] The first end of the second rod 330 can be rotatably connected to the mounting base 310 through a second hinge shaft 372. The axis point of the second hinge shaft 372 is the axis point B, and the second rod 330 and the mounting base 310 can rotate relative to each other around the axis point B. The axis point B is closer to the front wall 110 of the box and closer to the center of the storage room than the axis point A.

[0122] For the third rod 340, for example, its middle part can be rotatably connected to the second end of the first rod 320 through a third hinge shaft 373. The axis point of the third hinge shaft 373 is the axis point L, and the third rod 340 and the first rod 320 can rotate relative to each other around the axis point L. The first end of the third rod 340 can be rotatably connected to the second rod 330, for example, the middle part of the second rod 330, through a fourth hinge shaft 374. The axis point of the fourth hinge shaft 374 is the axis point M, and the third rod 340 and the second rod 330 can rotate relative to each other around the axis point M.

[0123] The first end of the fourth rod 350 can be rotatably connected to the second end of the second rod 330 through a fifth hinge shaft 375. The axis point of the fifth hinge shaft 375 is the axis point N, and the fourth rod 350 and the second rod 330 can rotate relative to each other around the axis point N.

[0124] The first end of the fifth rod 360 can be rotatably connected to the second end of the third rod 340 through a sixth hinge shaft 376. The axis point of the sixth hinge shaft 376 is the axis point P, and the fifth rod 360 and the third rod 340 can rotate relative to each other around the axis point P. The second end of the fifth rod 360 can be rotatably connected to the second end of the fourth rod 350 through a seventh hinge shaft 377. The axis point of the seventh hinge shaft 377 is the axis point Q. The axis point Q is farther from the first door side wall 230 than the axis point P. The fifth rod 360 can be connected to the top wall 250 of the door body 200. For example, the fifth rod 360 can be installed in the installation groove 251 of the top wall 250.

[0125] The axis center points A of the first hinge shaft 371, B of the second hinge shaft 372, L of the third hinge shaft 373, M of the fourth hinge shaft 374, N of the fifth hinge shaft 375, P of the sixth hinge shaft 376, and Q of the seventh hinge shaft 377 are pairwise parallel to each other. The mounting seat 310, the first rod member 320, the second rod member 330, the third rod member 340, the fourth rod member 350, and the fifth rod member 360 form a six-bar linkage mechanism.

[0126] As Figure 7 and Figure 8 shown, when a pulling force f is applied to the door body 200 and the door body 200 is opened from the closed state, the fifth rod member 360 drives the third rod member 340 and the fourth rod member 350, causing the third rod member 340 to rotate relative to the fifth rod member 360 in the first direction, and causing the fourth rod member 350 to rotate relative to the fifth rod member 360 in the first direction. For example, the first direction can be Figure 7 and Figure 8 the clockwise direction shown in. The third rod member 340 drives the first rod member 320 and the second rod member 330, causing the first rod member 320 to rotate relative to the mounting seat 310 in the second direction, and causing the second rod member 330 to rotate relative to the mounting seat 310 in the second direction. The fourth rod member 350 drives the second rod member 330, causing the second rod member 330 to rotate relative to the mounting seat 310 in the second direction. The second direction is opposite to the first direction. For example, the second direction can be Figure 7 and Figure 8 the counterclockwise direction shown in. The opening angle α gradually increases until the hinge assembly 300 is in the deployed state, and the door body 200 is opened to the maximum opening angle α as shown in Figure 9 . max .

[0127] When a pushing force is applied to the door body 200 and the door body 200 is closed, the fifth rod member 360 drives the third rod member 340 and the fourth rod member 350, causing the third rod member 340 to rotate relative to the fifth rod member 360 in the second direction, and causing the fourth rod member 350 to rotate relative to the fifth rod member 360 in the second direction. The third rod member 340 drives the first rod member 320 and the second rod member 330, causing the first rod member 320 to rotate relative to the mounting seat 310 in the first direction, and causing the second rod member 330 to rotate relative to the mounting seat 310 in the first direction. The fourth rod member 350 drives the second rod member 330, causing the second rod member 330 to rotate relative to the mounting seat 310 in the first direction. The opening angle α gradually decreases until the hinge assembly 300 is in the closed state and the door body 200 is closed.

[0128] It should be noted that the opening angle α in the present disclosure can be obtained by actually measuring the equivalent opening angle α. Among them, the equivalent opening angle α can refer to the angle between the plane parallel to the bottom surface of the front wall 110 of the refrigerator on the mounting base 310 and the connecting line PQ. In the embodiment of the present disclosure, since the plane where the bottom surface of the mounting base 310 is located is parallel to the front wall 110 of the box, and the connecting line PQ is parallel to the front wall 210 of the door, therefore, the opening angle α and the equivalent opening angle α are substantially equal.

[0129] Some embodiments of the present disclosure can solve any one of the following multiple technical problems:

[0130] 1. When applying the hinge assembly in the household field to the refrigerator, the maximum opening angle of the door body 200 is limited, only 90° - 114°, and cannot be further increased. The refrigerator of the embodiment of the present disclosure can increase the maximum opening angle of the door body 200, so that the door body 200 can move a greater distance relative to the box body 100 towards the front side and the outside of the refrigerator. Thus, when the door body 200 is opened to the maximum opening angle, the shielding of the access opening by the door body 200 can be reduced or eliminated. Especially when there is a drawer in the storage compartment, during the process of pushing and pulling the drawer after opening the door body 200, the interference between the drawer and the door body 200 can be prevented.

[0131] 2. When applying the hinge assembly in the household field to the refrigerator, when the door body 200 is at the maximum opening angle, the part of the door body 200 near its second side edge K will shield the access opening of the storage compartment, causing inconvenience in taking and placing items. In the refrigerator of the embodiment of the present disclosure, during the process of opening the door body 200, the door body 200 can move a greater distance relative to the box body 100 towards the front side and the outside of the refrigerator. When the door body 200 is at the maximum opening angle, the shielding of the part of the door body 200 near the second side edge K from the access opening can be reduced or eliminated, facilitating the user to take and place items. Especially when there is a drawer in the storage compartment, during the process of pushing and pulling the drawer after opening the door body 200, the interference between the drawer and the door body 200 can be prevented.

[0132] 3. When applying the hinge assembly in the household field to the refrigerator, in the initial stage of opening the door body 200, that is, when the opening angle of the door body 200 is relatively small during the process of opening the door body 200, the moving range of the door body 200 relative to the box body 100 towards the front side and the inside of the refrigerator is small, resulting in a small safety distance to avoid collision between the first side edge J of the door body 200 and the cabinet 400. In the refrigerator of the embodiment of the present disclosure, in the initial stage of opening the door, the door body 200 can move a greater distance relative to the box body 100 towards the front side and the inside of the refrigerator, thereby increasing the safety distance to prevent the first side edge J of the door body 200 from colliding with the cabinet 400.

[0133] Among them, any technical disclosure in the present disclosure can, to a certain extent, solve one or more of the above technical problems and achieve a certain invention purpose; multiple technical disclosures can also be combined into an overall solution to solve one or more of the above technical problems and achieve a certain invention purpose; or part of the technical disclosures can be selected and combined into an overall solution, while using the prior art and deteriorated solutions, but the deteriorated trend can be compensated by the means of the present technical disclosure, and one or more of the above technical problems can be solved to a certain extent and a certain invention purpose can be achieved as a whole; each technical disclosure is combined into a complete technical solution, which constitutes an organic and inseparable overall solution, solving technical problems and achieving a certain invention purpose as a whole.

[0134] Any technical disclosure in the present disclosure, as well as the recombination of multiple technical disclosures, can form a complete technical solution, and can solve one or more of the above multiple technical problems and achieve the invention purpose, and all belong to the content of the present disclosure and the content directly and unambiguously determined according to the content of the present disclosure.

[0135] The hinge assembly 300 in the embodiment of the present disclosure can increase the maximum opening angle α of the door body 200. max For example Figure 9 As shown, in the embodiment of the present disclosure, the maximum opening angle α of the door body 200 max can theoretically reach 129° to 144°. Referring to Figure 10 , in the related art, the maximum opening angle α of the door body 200 max is only 114°. Compared with the related art, the refrigerator in the embodiment of the present disclosure can increase the maximum opening angle α of the door body 200 max during the process of opening the door body, and the door body 200 can move a greater distance relative to the box body 100 to the front side and the outer side of the refrigerator, so as to prevent the door body 200 from blocking the access opening of the storage compartment.

[0136] In some embodiments of the present disclosure, as Figure 6 shown, the mounting seat 310 may include a first mounting plate 311 and two second mounting plates 312. The first mounting plate 311 may be parallel to the front wall 110 of the box and connected to the front wall 110 of the box. Exemplarily, the first mounting plate 311 may be connected to the front wall 110 of the box by connecting bolts, rivets, etc.

[0137] The two second mounting plates 312 may both be perpendicular to the first mounting plate 311 and are respectively connected to opposite sides of the first mounting plate 311. Such a setting can improve the structural strength of the mounting seat 310, thereby improving the structural strength of the hinge assembly 300, so that the hinge assembly 300 can support a heavier door body 200.

[0138] In addition, the two second mounting plates 312 and the first mounting plate 311 can also enclose a receiving space. When the hinge assembly 300 is in the closed state, the receiving space can accommodate at least a part of the hinge assembly 300 to protect the hinge assembly 300, thereby preventing the interference between the rods and other components in the refrigerator.

[0139] The first hinge shaft 371 and the second hinge shaft 372 can both be connected to the two second mounting plates 312. For example, the two second mounting plates 312 can both be provided with a first connection hole and a second connection hole. The second connection hole is closer to the first mounting plate 311 and closer to the center of the storage compartment than the first connection hole.

[0140] Both ends of the first hinge shaft 371 are respectively inserted into the first connection holes of the two second mounting plates 312.

[0141] Both ends of the second hinge shaft 372 are respectively inserted into the second connection holes of the two second mounting plates 312.

[0142] The two mounting plates can support both ends of the first hinge shaft 371 and both ends of the second hinge shaft 372, improving the smoothness of rotation of the first hinge shaft 371 and the second hinge shaft 372, thereby improving the smoothness of movement of the hinge assembly 300 and the door body 200.

[0143] Taking the door body 200 being opened to 60° as an example, the technical solution of the embodiment of the present disclosure will be further described in detail below.

[0144] Refer to Figure 11 and Figure 12 , Figure 11 which is a schematic diagram of the door body 200 in the refrigerator of the embodiment of the present disclosure when it is opened to 60°. Figure 12 is Figure 11 a schematic diagram of the hinge assembly 300 in

[0145] It should be noted that in the schematic diagram of the hinge assembly 300 as shown in Figure 12 , the axes of each hinge shaft are all represented as points. For the convenience of describing the embodiment of the present disclosure in combination with the drawings, the hinge shaft and its axis point can be represented by the point corresponding to the axis of each hinge shaft below.

[0146] For example, the first hinge shaft 371 and its axis point A can be represented by point A, the second hinge shaft 372 and its axis point B can be represented by point B, the third hinge shaft 373 and its axis point L can be represented by point L, the fourth hinge shaft 374 and its axis point M can be represented by point M, the fifth hinge shaft 375 and its axis point N can be represented by point N, the sixth hinge shaft 376 and its axis point P can be represented by point P, and the seventh hinge shaft 377 and its axis point Q can be represented by point Q.

[0147] As shown in Figure 12As shown, AB, AL, BMN, PLM, NQ, and PQ form a six-link mechanism.

[0148] Among them, PQ is fixedly connected to the door body 200, and points P and Q are fixed relative to the door body 200. Then, the movement trajectory of the door body 200 can be characterized by the movement trajectories of points P and Q. Taking point P as the main trajectory point and point Q as the auxiliary trajectory point.

[0149] The movement trajectories of the main trajectory point P and the auxiliary trajectory point Q are formed by the quadrilateral ABQP.

[0150] Among them, the lengths of AB and PQ are fixed values. During the process of opening the door body 200, the lengths of AP and BQ are variable values, and the lengths of AP and BQ increase with the increase of the opening angle α of the door, and the length change rates of AP and BQ are different.

[0151] During the process from the door body 200 being closed to opening the door body 200, the door body 200 can be made to move first towards the front side and the inner side of the refrigerator, and then towards the front side and the outer side of the refrigerator, thereby preventing the door body 200 from interfering with the cabinet 400.

[0152] In other words, the quadrilateral ABQP includes ΔABP and ΔBPQ.

[0153] ΔABP determines the movement trajectory of the main trajectory point P. In ΔABP, AP and BP increase with the increase of the opening angle α of the door body 200.

[0154] ΔBPQ constitutes the movement trajectory of the auxiliary trajectory point Q. In ΔBPQ, BP and BQ increase with the increase of the opening angle α of the door body 200.

[0155] Generally speaking, the movement trajectories of the main trajectory point P and the auxiliary trajectory point Q are composed of six circular motions, thereby forming the movement trajectory of the door body 200.

[0156] Specifically, during the process of opening the door body 200, point A is a fixed point. The movement trajectory of point L is a part of the first circle C1, and the first circle C1 takes point A as the center and AL as the radius. The movement trajectory of the main trajectory point P is a part of the second circle C2, and the second circle C2 takes point L as the center and PL as the radius. Point L always moves on the first circle C1, forming a dynamic center L.

[0157] In ΔPLA, according to the cosine theorem formula, the length of AP satisfies the following formula:

[0158] AP 2 =AL 2 +PL 2 -2·AL·PL·cosω 1 ; (1)

[0159] Among them, ω 1 is ∠ALP, during the process of opening the door body 200ω 1 It can be less than 180°, so that AP increases as the opening angle α of the door body 200 increases.

[0160] In the process of opening the door body 200, point B is a fixed point. The motion trajectory of point M is a part of the third circle C3, the third circle C3 has point B as the center and BM as the radius. The motion trajectory of the main trajectory point P is a part of the fourth circle C4, the fourth circle C4 has point M as the center and PM as the radius. Point M always moves on the third circle C3, forming a dynamic center M.

[0161] In ΔPBM, according to the cosine theorem formula, the length of BP satisfies the following formula:

[0162] BP 2 =BM 2 +PM 2 -2·BM·PM·cosω 2 ; (2)

[0163] Among them, ω 2 is ∠BMP, in the process of opening the door body 200ω 2 It always increases. It can be less than 180°. Therefore, when it is less than 180°, BP increases as the opening angle α of the door body 200 increases.

[0164] In the process of opening the door body 200, point B is a fixed point. The motion trajectory of point N is a part of the fifth circle C5, the fifth circle C5 has point B as the center and BN as the radius. The motion trajectory of auxiliary trajectory point Q is a part of the sixth circle C6, the sixth circle C6 has point N as the center and QN as the radius. Point N always moves on the fifth circle C5, forming a dynamic circle center N.

[0165] In ΔQBN, according to the cosine theorem formula, the length of BQ satisfies the following formula:

[0166] BQ 2 =BN 2 +QN 2 -2·BN·QN·cosω 3 ; (3)

[0167] Among them, ω 3 ∠BNQ, in the process of opening the door body 200ω 3 It always increases. It can be less than 180°. Therefore, less than 180° makes BQ increase with the increase of the door opening angle α of the door body 200.

[0168] For a refrigerator with a hinge assembly in the home appliance field in the related art, as the opening angle α of the door body 200 increases, ω 3 it will increase and exceed 180°. ω 3 When it does not exceed 180°, as the opening angle α increases, BQ gradually increases. ω 3 After exceeding 180°, as the opening angle α increases, BQ gradually decreases.

[0169] In the embodiment of the present disclosure, referring to Figure 13 , the distance H between the axis point A of the first hinge shaft 371 and the front wall 110 of the box 1 can be greater than or equal to 36 mm.

[0170] When the hinge assembly 300 is in the closed state, the axis point A of the first hinge shaft 371 is the axis point of each hinge shaft of the hinge assembly 300 that is the farthest from the front wall 110 of the box. The distance between the axis point A and the front wall 110 of the box directly affects the thickness H of the hinge assembly 300. The thickness H of the hinge assembly 300 refers to the width in the direction perpendicular to the front wall 110 of the box when the hinge assembly 300 is in the closed state.

[0171] For example Figure 13 as shown, when the door body 200 is closed, the hinge assembly 300 is in the closed state. The direction perpendicular to the front wall 110 of the box is the direction y. The width H of the hinge assembly 300 in the direction y is the thickness H of the hinge assembly 300, hereinafter referred to as the thickness H of the hinge assembly.

[0172] Setting the distance H 1 to be greater than or equal to 36 mm can make the hinge assembly 300 have a sufficiently large thickness H, which is beneficial to increasing the volume of each rod in the hinge assembly 300, thereby facilitating the increase of the length of each rod, and further facilitating the adjustment of the movement trajectories of the main trajectory point P and the auxiliary trajectory line Q, reducing the difficulty of increasing the maximum opening angle α of the door body 200 max . It is beneficial to increase the cross-sectional area of each rod, thereby facilitating the increase of the structural strength of the hinge assembly 300, enabling the hinge assembly 300 to adapt to a door body 200 with a larger thickness, and increasing the applicable range of the hinge assembly 300.

[0173] If the distance H 1 is less than 36 mm and the distance H 1 is too small, it will cause the thickness H of the hinge assembly 300 to be small, restricting the volume of each rod in the hinge assembly 300, being not conducive to increasing the length of each rod, and thus not conducive to adjusting the movement trajectories of the main trajectory point P and the auxiliary trajectory line Q, making it difficult to increase the maximum opening angle α of the door body 200 maxThis increases the difficulty and is not conducive to increasing the cross-sectional area of each rod member, thereby being not conducive to increasing the structural strength of the hinge assembly 300, making the hinge assembly 300 unable to adapt to a door body 200 with a relatively large thickness and reducing the applicable range of the hinge assembly 300.

[0174] In some embodiments of the present disclosure, the distance H 1 can be less than or equal to 45 mm. With such a setting, it is possible to prevent the thickness H of the hinge assembly 300 from being too large, thereby preventing the width of the mounting groove 251 on the top wall 250 of the door in the y direction from being too large, ensuring that there is a sufficient distance between the first groove side wall 254 opposite to the first opening 252 in the mounting groove 251 and the front wall 210 of the door, so that the second heat insulation layer filled between the first groove side wall 254 and the front wall 210 of the door will not be too thin, thereby ensuring the heat preservation performance of the door body 200.

[0175] If the distance H 1 is greater than 45 mm, the distance H 1 is too large, which will cause the thickness H of the hinge assembly 300 to be too large, thereby increasing the width of the mounting groove 251 on the top wall 250 of the door, and thus reducing the distance between the groove side wall of the mounting groove 251 and the front wall 210 of the door, making the second heat insulation layer filled between the groove side wall of the mounting groove 251 and the front wall 210 of the door too thin and reducing the heat preservation performance of the door body 200.

[0176] In some embodiments of the present disclosure, the distance H between the center point B of the second hinge shaft 372 and the front wall 110 of the box 2 can be greater than or equal to 15 mm. With such a setting, it is possible to have a sufficient distance between the second hinge shaft 372 and the front wall 110 of the box. During the process of opening the door body 200, it is conducive to increasing the moving range of the door body 200 relative to the box body 100 towards the outside of the refrigerator, and further conducive to preventing the door body 200 from colliding with the cabinet 400.

[0177] If the distance H 2 is less than 15 mm, the distance H 2 is too small, which will cause the distance between the second hinge shaft 372 and the front wall 110 of the box to be limited. During the process of opening the door body 200, it is not conducive to increasing the moving range of the door body 200 relative to the box body 100 towards the outside of the refrigerator, so that the door body 200 is likely to collide with the cabinet 400.

[0178] In some embodiments of the present disclosure, the distance H between the center point B of the second hinge shaft 372 and the front wall 110 of the box 2 can be less than or equal to 30 mm.

[0179] The mounting base 310 is connected to the front wall 110 of the box by connecting bolts or rivets. The door body 200 is hinged to the mounting base 310 at the second hinge axis 372 through the fifth rod member 360, the fourth rod member 350, and the second rod member 330. During the process of opening the door body 200, the relatively heavy door body 200 exerts a downward load moment on the connecting bolts or rivets through the deployed fifth rod member 360, fourth rod member 350, second rod member 330, and the mounting base 310. The lever arm of the load moment is the positive projection in the y direction of the horizontal distance between the center of the door body 200 and the axis point B, and the distance H between the axis point B and the front wall 110 of the box 2 The sum

[0180] The distance H 2 The larger the distance H is, the longer the lever arm is, and the greater the load moment borne by the connecting bolts or rivets is. By setting the distance H 2 to be less than or equal to 30 mm, it is possible to prevent the load moment borne by the connecting bolts or rivets from being too large, and ensure the connection reliability between the mounting base 310 and the front wall 110 of the box

[0181] If the distance H 2 is greater than 30 mm, and the distance H 2 is too large, it will cause the load moment borne by the connecting bolts or rivets to be too large, making it easy for the mounting base 310 and the front wall 110 of the box to separate, and reducing the connection reliability between the hinge assembly 300 and the box body 100

[0182] In some embodiments of the present disclosure, referring to Figure 13 and Figure 14 , the included angle between the line connecting the axis point A and the axis point B and the side wall 130 of the box, such as Figure 13 and 14 shown in, the first included angle θ can be greater than the first angle. The first angle can be any value between 25° and 30°. For example, the first angle can be 25°, 26°, 27°, 28°, 29°, or 30°

[0183] That is to say, the first included angle θ can be greater than 25°. Or, the first included angle θ can be greater than 26°; the first included angle θ can be greater than 27°; the first included angle θ can be greater than 28°; the first included angle θ can be greater than 29°; the first included angle θ can be greater than 30°

[0184] In the related art, referring to Figure 15 and Figure 16 , the hinge assembly 300 is usually applied to the lockers in the home field. The included angle between the line connecting the axis point A and the axis point B and the side wall 130 of the box, that is, the first included angle θ shown in Figure 16 is relatively small, usually 8° - 10°

[0185] A smaller first included angle θ can reduce the width of point A and point B in the horizontal direction of the plane where the parallel access opening is located, that is, as Figure 15 and Figure 16 shown, the width H of point A and point B in the horizontal direction x 3 , so as to minimize the overall width of the hinge assembly 300 in the horizontal direction x when in the unfolded state, so as to avoid the access opening of the storage cabinet being blocked by the hinge assembly 300 as much as possible when the door body 200 is opened to the maximum opening angle α max , facilitating the user to pick up and place items.

[0186] However, a smaller first included angle θ limits the maximum opening angle α of the door body 200 max , and it cannot be further increased. As Figure 16 shown, the trajectory line p is the trajectory line of the main trajectory point P, and the trajectory line q is the trajectory line of the auxiliary trajectory point Q. A smaller first included angle θ is equivalent to rotating the trajectory line p and the trajectory line q clockwise around point A, so that the end points P1 and Q1 of the trajectory line p and the trajectory line q move towards the center of the storage cabinet, thereby reducing the maximum opening angle α of the door body 200 max . In the related art, the maximum opening angle α max is usually 114°. However, for the home furnishing field, the size of the storage cabinet is usually relatively large, and the thickness of the door body 200 is relatively thin. Even if the maximum opening angle α max is only 114°, it will not affect the user to pick up and place items, and still can meet the user's usage requirements.

[0187] However, for a refrigerator in the household appliance field, the space in the storage compartment of the refrigerator body 100 is limited, and the thickness of the door body 200 is relatively large, usually 50 mm to 60 mm. When the door body 200 is opened, if the maximum opening angle α of the door body 200 max is small, the door body 200 with a large thickness will block the access opening, which is not convenient for the user to pick up and place items, and is not convenient for the user to observe the items in the storage compartment.

[0188] In some embodiments of the refrigerator of the present disclosure, by setting the first included angle θ to be greater than the first angle, the first included angle θ is increased. As Figure 14 shown, increasing the first included angle θ is equivalent to rotating the trajectory line p of the main trajectory point P and the trajectory line q of the auxiliary trajectory point Q counterclockwise around point A, so that the end points P1 and Q1 of the trajectory line p and the trajectory line q move towards the outside of the refrigerator, thereby increasing the maximum opening angle α of the door body 200 max , which is beneficial to reducing or eliminating the blockage of the access opening by the door body 200 when the door body 200 is opened, facilitating the user to pick up and place items, and facilitating the user to observe the items in the storage compartment.

[0189] In addition, referring to Figure 17, Figure 17 Schematic diagram of the hinge assembly 300 when the door body 200 is opened to the maximum opening angle α in the embodiments of the present disclosure max at this time.

[0190] When the door body 200 is opened to the maximum angle α max at this time, the four sides AB, BP, AQ, and PQ of the quadrilateral ABQP are almost on the same straight line. That is to say, when the door body 200 is opened to the maximum opening angle α max at this time, the included angle between PQ and the box side wall 130 is close to the first included angle θ between AB and the box side wall 130. The larger the first included angle θ between AB and the box side wall 130, the larger the included angle between PQ and the box side wall 130, and the larger the included angle between PQ and the box front wall 110, that is, the maximum opening angle α of the door body 200 max is larger. In other words, the first included angle θ between AB and the box side wall 130 and the maximum opening angle α of the door body 200 max are positively correlated.

[0191] Through a large number of experimental simulations and studies by the inventor, it is found that the theoretically designed maximum opening angle α max makes the door body 200 need to be opened to at least 129° so that when the door body 200 is opened to the maximum opening angle α max at this time, the part of the door body 200 close to its second side edge K basically does not block the access opening.

[0192] It should be noted that the theoretically designed maximum opening angle α max refers to the comparison from the theoretical design angle in the present disclosure compared with the prior art considering that each rod and the hinge axis are theoretically lines and points.

[0193] In the actual design of the embodiments of the present disclosure, it is necessary to consider the design of avoidance for the width of the rod and the diameter of the hinge axis to reserve space for the rod and the hinge axis to avoid mutual interference between the hinge point and the rod. Therefore, in the actual product design, the maximum opening angle α max will be smaller than the theoretically designed maximum opening angle α max .

[0194] For example: when the first included angle θ is set to be greater than the first angle, and the first angle is greater than or equal to 25°, the first included angle θ can be increased by at least 15°, and the maximum opening angle α max can be increased by more than 15°. That is to say, theoretically, the maximum opening angle α max can be increased from 114° to about 129°, so as to meet the requirement of the maximum opening angle.

[0195] For another example, when the first included angle θ is set to be greater than the first angle, and the first angle is greater than or equal to 27°, the first included angle θ can be increased by at least 17°, and the maximum opening angle α max can be increased by more than 17°, that is, theoretically, the maximum opening angle α max can be increased from 114° to about 131°, so as to better meet the requirement of the maximum opening angle.

[0196] For another example, when the first included angle θ is set to be greater than the first angle, and the first angle is greater than or equal to 30°, the first included angle θ can be increased by at least 20°, and the maximum opening angle α max can be increased by more than 20°, that is, theoretically, the maximum opening angle α max can be increased from 114° to about 134°, so as to better meet the requirement of the maximum opening angle.

[0197] If the first included angle θ is less than or equal to the first angle, and the first included angle θ is too small, the increase amplitude of the maximum opening angle α max will be small. When the door body is opened to the maximum opening angle α max the part of the door body 200 close to its second side edge K will still block the access opening, which is not convenient for the user to take and place items, and is not convenient for the user to observe the items in the storage room.

[0198] In some embodiments of the present disclosure, the first included angle θ can be less than the second angle. The second angle can be any value between 36° and 40°. For example, the second angle can be 36°, 37°, 38°, 39° or 40°.

[0199] That is to say, the first included angle θ can be less than 36°. Or, the first included angle θ can be less than 37°; the first included angle θ can be less than 38°; the first included angle θ can be less than 39°; the first included angle θ can be less than 40°.

[0200] For another example, when the first included angle θ is set to be less than the second angle, and the second angle is equal to 36°, the first included angle θ can be increased by 26°, and the maximum opening angle α max can be increased by more than 26°, that is, theoretically, the maximum opening angle α max can be increased from 114° to about 140°, so as to meet the requirement of the maximum opening angle.

[0201] For another example, when the first included angle θ is set to be less than the second angle, and the second angle is equal to 38°, the first included angle θ can be increased by at least 28°, and the maximum opening angle α max can be increased by more than 28°, that is, theoretically, the maximum opening angle α maxIt increases from 114° to about 142°, so as to meet the requirement of a larger maximum opening angle.

[0202] Moreover, when the first included angle θ is set to be less than the first angle and the second angle is equal to 40°, the first included angle θ can be increased by at least 30°, which can make the maximum opening angle α max increase by more than 30°, that is, theoretically, the maximum opening angle α max can increase from 114° to about 144°, so as to meet the requirement of a larger maximum opening angle.

[0203] If the first included angle θ exceeds the second angle and the first included angle θ is too large, for example, the first included angle θ is 45°, the first included angle θ can be increased by 35°, which can make the maximum opening angle α max increase by more than 35°, that is, theoretically, the maximum opening angle α max can increase from 113° to about 148°, so that the maximum opening angle α max is too large. When the maximum opening angle α max is too large, in the later stage of the opening process, that is, when the door body is opened to a large angle, for example, when the opening angle α is greater than 110°, the whole door body will move towards the direction close to the cabinet body. When the door body 200 is opened to the maximum opening angle α max , the first side edge J of the door body 200 is likely to collide with the front cabinet wall 420 of the cabinet 400. Secondly, when the first included angle θ exceeds the second angle, as Figure 13 shown, it is equivalent to making the first rod 320, the second rod 330, the third rod 340, the fourth rod 350 and the fifth rod 360 of the hinge assembly 300 rotate counterclockwise around the axis point A under the condition that the mounting seat is fixed, and the counterclockwise rotation angle is relatively large, thus increasing the width of the hinge assembly 300 in the y direction, that is, increasing the thickness H of the hinge assembly 300, which is not conducive to the miniaturization of the whole hinge assembly 300.

[0204] Therefore, when the first included angle θ is set to be less than the second angle, in the later stage of the opening process, that is, when the door body is opened to a large angle and the maximum opening angle α max are between, it can make a sufficient safety distance reserved between the first side edge J of the door body 200 and the front cabinet wall 420 of the cabinet 400, so as to prevent the first side edge J of the door body 200 from colliding with the front cabinet wall 420 of the cabinet 400.

[0205] It should be noted that in the specific actual application process, on the basis of increasing the first included angle θ, other at least one technical disclosure in the embodiments of the present disclosure can be combined to re-form a complete technical solution. Through the combined action of multiple technical means, the occlusion of the part of the door body 200 near its second side edge K on the access opening can be minimized or eliminated as much as possible. At the same time, the reliability and stability of the hinge assembly 300 and the refrigerator can also be considered. For example, to enable the hinge assembly 300 to have sufficient structural strength to support the relatively heavy door body 200, each rod or each hinge shaft in the hinge assembly 300 needs to have a relatively large cross-sectional area or volume, etc. During the process of opening the door body 200, the rods and / or the hinge shafts will come into contact in advance and generate a limiting effect, thereby restricting the opening angle α of the door body 200. Therefore, in the specific actual application, the opening angle α of the door body 200 may not need to be opened to 129°.

[0206] In some embodiments of the present disclosure, as shown in the appendix Figure 8 When the door body 200 is opened to 115°, as shown, there may be a second included angle τ between the connection line between the center point B of the second hinge shaft 372 and the center point N of the fifth hinge shaft 375, that is, BN and the front wall 110 of the box. The second included angle τ may be greater than or equal to 90°.

[0207] During the process of opening the door body 200, the second rod 330 can be considered as the component with the largest occlusion area of the access opening in the hinge assembly 300. Both the second hinge shaft 372 and the fifth hinge shaft 375 are connected to the second rod 330. To a certain extent, the occlusion area of the door body 200 and the hinge assembly 300 on the access opening can be characterized by the second included angle τ between the connection line between the center point B of the second hinge shaft 372 and the center point N of the fifth hinge shaft 375, that is, BN and the front wall 110 of the box. The larger the second included angle τ, the smaller the occlusion area of the door body 200 and the hinge assembly 300 on the access opening.

[0208] In the embodiments of the present disclosure, by setting the second included angle τ when the door body 200 is opened to 115° to be greater than or equal to 90°, when the door body 200 is opened to 115°, the door body 200 and the hinge assembly 300 will have a relatively small occlusion area on the access opening, or will not occlude the access opening. At the same time, sufficient space can be reserved for each rod and each hinge shaft in the hinge assembly 300, which is beneficial to increasing the cross-sectional area or volume of each rod and each hinge shaft, and thus is beneficial to taking into account the reliability and stability of the hinge assembly 300 and the refrigerator, etc.

[0209] If the second included angle τ is set to be less than 90°, although more space can be reserved for each rod and each hinge shaft in the hinge assembly 300 to further improve the reliability and stability of the hinge assembly 300 and the refrigerator. However, if the second included angle τ is too small, the shielding area of the door body 200 and the hinge assembly 300 for the access opening will be too large, which is not convenient for the user to pick up and place items and observe the items in the storage compartment.

[0210] In some embodiments of the present disclosure, as Figure 8 shown, when the door body 200 is opened to 115°, there may be a third included angle μ between the connection line between the center point B of the second hinge shaft 372 and the center point M of the fourth hinge shaft 374, that is, BM and the front wall 110 of the box. The third included angle μ may be greater than or equal to 85°.

[0211] During the process of opening the door body 200, the second rod 330 can be considered as the component with the largest shielding area for the access opening in the hinge assembly 300. Both the second hinge shaft 372 and the fourth hinge shaft 374 are connected to the second rod 330. To a certain extent, the shielding area of the door body 200 and the hinge assembly 300 for the access opening can be characterized by the third included angle μ between the connection line between the center point B of the second hinge shaft 372 and the center point M of the fourth hinge shaft 374, that is, BM and the front wall 110 of the box. The larger the third included angle μ, the smaller the shielding area of the door body 200 and the hinge assembly 300 for the access opening.

[0212] In the embodiments of the present disclosure, by setting the third included angle μ when the door body 200 is opened to 115° to be greater than or equal to 85°, when the door body 200 is opened to 115°, the door body 200 and the hinge assembly 300 will have a smaller shielding area for the access opening, or will not shield the access opening. At the same time, sufficient space can be reserved for each rod and each hinge shaft in the hinge assembly 300, which is beneficial to increasing the cross-sectional area or volume of each rod and each hinge shaft, thereby being beneficial to taking into account the reliability and stability of the hinge assembly 300 and the refrigerator, etc.

[0213] If the third included angle μ is set to be less than 85°, although more space can be reserved for each rod and each hinge shaft in the hinge assembly 300 to further improve the reliability and stability of the hinge assembly 300 and the refrigerator. However, if the third included angle μ is too small, the shielding area of the door body 200 and the hinge assembly 300 for the access opening will be too large, which is not convenient for the user to pick up and place items and observe the items in the storage compartment.

[0214] In some embodiments of the present disclosure, when the door body 200 is opened to 115°, the third included angle μ can be less than or equal to 90°. If the third included angle μ is greater than 90°, the distance between the second rod 330 and the cabinet side edge R of the cabinet 400 will be too close, resulting in a collision between the first rod 320, which is closer to the cabinet side edge R than the second rod 330, and the cabinet side edge R. By setting the third included angle μ to be less than or equal to 90° in the embodiments of the present disclosure, it is possible to prevent, as much as possible, the distance between the second rod 330 and the cabinet side edge R of the cabinet 400 from being too close during the opening of the door body 200, which may cause a collision between the first rod 320 and the cabinet side edge R.

[0215] The aforementioned opening angle of 115° refers to the case where each rod and the hinge axis are considered as theoretical lines and points, and the theoretical design angle in the present disclosure is taken as a reference. In the actual design of the embodiments of the present disclosure, due to the need to consider the avoidance design for the strength, width of the rods and the diameter of the hinge axis, and reserve space for the rods and the hinge axis, the actual maximum opening angle is restricted, so that the actual maximum opening angle may be less than the theoretically designed opening angle of 115°, but it will not affect the theoretically designed opening angle.

[0216] In the embodiments of the present disclosure, as Figure 13 and Figure 14 shown, when the door body 200 is closed, the front wall 210 of the door body 200 intersects with the first door side wall 230 to form a first reference point E. The distance between the first reference point E and the axis point P, that is, EP, can be greater than or equal to 20 mm. EP can be less than or equal to 60 mm.

[0217] In some embodiments of the present disclosure, referring to Figure 14 , since both point P and point Q are provided on the fifth rod 360, the relative positions between point P and point Q are fixed, and point P and point Q have similar movement trajectories. During the opening of the door body 200, point P and point Q with similar movement trajectories can cause the door body to move relative to the box body first towards the front side and the inner side of the refrigerator. When the door body is opened to a certain opening angle α, the door body 200 moves relative to the box body 100 towards the front side and the outer side of the refrigerator. As the door body 200 continues to open, the door body 200 moves relative to the box body 100 towards the outer side and the rear side of the refrigerator.

[0218] And referring to Figure 40 , the first side edge J of the door body 200 is a fixed point on the door body 200, and its relative positions with respect to point P and point Q are fixed. Therefore, the first side edge J also has a movement trajectory similar to that of point P and point Q. The movement trajectory of the first side edge J is the movement trajectory j as shown in Figure 40 .

[0219] The relative position between the first reference point E and the cabinet side edge R is fixed. Therefore, the position of the cabinet side edge R can be characterized by the first reference point E. The relative position between the main trajectory point P and the first side edge J of the door body 200 is fixed. Therefore, to a certain extent, the position of the first side edge J of the door body 200 can be characterized by the main trajectory point P.

[0220] The distance between the first reference point E and the axis point P, that is, EP, can be greater than or equal to 20 mm. EP can be less than or equal to 60 mm. During the process of opening the door body 200, EP within this numerical range can enable a sufficient safety distance between the first side edge J of the door body 200 and the cabinet side edge R, thereby preventing the door body 200 from colliding with the cabinet 400.

[0221] If EP is less than 20 mm, EP is too small. During the process of automatically opening the door body 200, it will cause the distance between the first side edge J of the door body 200 and the cabinet side edge R to be too small, and the door body 200 is prone to collide with the cabinet 400. If EP is greater than 60 mm, EP is too large. During the process of automatically opening the door body 200, the door body 200 requires a larger opening space, increasing the working space required during normal use of the refrigerator, thereby reducing the applicable range of the refrigerator.

[0222] The change trend of EP defines the movement trajectory of the main trajectory point P. In the embodiments of the present disclosure, the movement trajectory of the main trajectory point P can be adjusted by adjusting the change trend of EP, thereby adjusting the movement trajectory of the door body 200.

[0223] Exemplarily, the process of opening the door body 200 can include a first door opening stage and a second door opening stage.

[0224] When the opening angle α does not reach the first preset opening angle α 1 , that is, when α ∈ [0°, α 1 ), it is the first door opening stage.

[0225] When the opening angle α exceeds the first preset opening angle α 1 , and does not reach the second preset opening angle α 2 , that is, when α ∈ [α 1 , α 2 ), it is the second door opening stage. Among them, the second preset opening angle α 2 is greater than the first preset opening angle α 1 .

[0226] The first preset opening angle α 1 can be any value between 20° and 30°. The second preset opening angle α 2 can be any value between 95° and α max .

[0227] Exemplarily, the first preset door opening angle α 1 can be 20° or 30°. The second preset door opening angle α 2 can be 95°, 100°, or 110° or the maximum door opening angle α max .

[0228] In the first door opening stage, the door body 200 can move slightly forward and inward relative to the cabinet body 100 first, so that the part of the door body 200 close to its first side edge J will not collide with the accommodating side wall 411 and the cabinet side edge R of the cabinet 400 at the initial stage of opening the door body 200.

[0229] In the second door opening stage, the door body 200 can move significantly forward and outward relative to the cabinet body 100, so that the part of the door body 200 close to its first side edge J will not collide with the cabinet side edge R and the cabinet front wall 420 of the cabinet 400 at the later stage of opening the door body 200.

[0230] In some embodiments of the present disclosure, referring to Figure 14 , the hinge assembly 300 can have a first reference line O 1 , the first reference line O 1 can pass through the axis point B and be parallel to the cabinet side wall 130. The hinge assembly 300 can also have a second reference line O 2 , the second reference line O 2 can pass through the axis point A and be parallel to the cabinet side wall 130.

[0231] In the second door opening stage, when the door opening angle α is the first door opening angle ξ 1 , the axis point P of the sixth hinge shaft 376, that is, the main locus point P, can be located on the first reference line O 1 . When the door opening angle α is the second door opening angle ξ 2 , the axis point P of the sixth hinge shaft 376, that is, the main locus point P, can be located on the second reference line O 2 . When the door opening angle α is greater than the second door opening angle ξ 2 , the axis point P of the sixth hinge shaft 376 can be located outside the second reference line O 2 , that is, the axis point P of the sixth hinge shaft 376 can be located on the side of the second reference line O 2 backward from the first reference line O 1 . The first door opening angle ξ 1 and the second door opening angle ξ 2 can both be located between the first preset door opening angle α 1 and the second preset door opening angle α 2 , and the first door opening angle ξ 1 is less than the second door opening angle ξ 2 . That is to say, ξ 1 ∈(α1 , α 2 ), ξ 2 ∈(α 1 , α 2 ), and ξ 1 <ξ 2 . Exemplarily, the first door opening angle ξ 1 can be any value between 45° and 60°. For example, the first door opening angle ξ 1 can be 45°, 48°, 50°, 52°, 55°, 58°, or 60°. The second door opening angle ξ 2 can be any value between 70° and 85°. For example, the second door opening angle ξ 2 can be 70°, 75°, 78°, 80°, 82°, or 85°.

[0232] In the second door opening stage, the main trajectory point P sequentially passes through the first reference line O 1 and the second reference line O 2 , which can enable the main trajectory point P to move as far as possible towards the outside of the refrigerator during the process of opening the door body 200, so that the first door side wall 230 of the door body 200 moves towards the outside of the refrigerator, which is beneficial to preventing the first side edge J and the second side edge K of the door body 200 from blocking the access opening. Moreover, it can also enable the third rod 340 connected to the sixth hinge shaft 376 and the fourth hinge shaft 374 connected to the third rod 340 to fully shift towards the outside of the refrigerator to minimize the blockage of the access opening by the fourth hinge shaft 374 as much as possible. Secondly, it can also make the angle between PQ and AQ always large enough as much as possible, so as to avoid the overlap of PQ and AQ during the process of opening the door body 200 as much as possible, so that the quadrilateral PQBA formed in the hinge assembly 300 can always maintain a relatively stable shape, enabling the hinge assembly 300 to support the door body more stably.

[0233] In some embodiments of the present disclosure, as Figure 18 shown, in the first door opening stage and the second door opening stage, as the door opening angle α increases, the distance between the first reference point E and the axis point P, that is, EP, can gradually increase.

[0234] As the EP gradually increases, during the first door-opening stage, the door body 200 can move more significantly and rapidly towards the front and inner side of the refrigerator relative to the cabinet body 100. At the same time, the first side edge J of the door body 200 can move towards the inner and front side of the refrigerator relative to the cabinet body 100, which can ensure that the first side edge J of the door body 200 does not exceed the cabinet side wall 130 of the cabinet body 100, and at the same time, the first side edge J can extend beyond the cabinet front wall 420 to a greater extent, thereby reducing or eliminating the possibility of collision between the first side edge J and the cabinet. During the second door-opening stage, the door body 200 can move more significantly towards the front and outer side of the refrigerator. At the same time, the first side edge J of the door body 200 can move more significantly towards the front and outer side of the refrigerator relative to the cabinet body 100.

[0235] In some other embodiments of the present disclosure, as Figure 19 shown, during the first door-opening stage, the EP can first increase and then decrease. Exemplarily, the decreasing amplitude Δep of the EP 1 can not exceed 2 mm. During the second door-opening stage, the EP can gradually increase.

[0236] Compared with the above embodiments, during the first door-opening stage, when the opening angle α is relatively small, the EP increases, and the door body 200 can move more significantly towards the front and inner side of the refrigerator. At the same time, the first side edge J of the door body 200 can move towards the inner and front side of the refrigerator relative to the cabinet body 100, which can ensure that the first side edge J of the door body 200 does not exceed the cabinet side wall 130 of the cabinet body 100. During the first door-opening stage, when the opening angle α is relatively large, the first side edge J of the door body 200 has already accumulated a margin of movement towards the inner and front side during the small-angle door-opening process. At this time, that is, within a relatively large opening angle range during the first door-opening stage, the EP decreases slightly, and the possibility that the first side edge J of the door body 200 slightly exceeds the cabinet side wall 130 of the cabinet body 100. However, within this relatively large opening angle range, the door body 200 has already moved more significantly towards the front side of the refrigerator relative to the cabinet body 100, such that the first side edge J has extended beyond the cabinet front wall 420, thereby ensuring that there is a sufficient safety distance between the first side edge J and the cabinet side edge R, and further reducing or eliminating the possibility of collision between the first side edge J and the cabinet. Although the amount of movement of the door body 200 towards the inner side of the refrigerator is relatively small during the first door-opening stage, the object of the invention can still be achieved. During the second door-opening stage, the door body 200 can move more significantly towards the front and outer side of the refrigerator. At the same time, the first side edge J of the door body 200 can move more significantly towards the front and outer side of the refrigerator relative to the cabinet body 100.

[0237] In some other embodiments of the present disclosure. As Figure 20 shown, during the first door-opening stage, the EP can first remain at the first value ep 1 unchanged, then decrease, and then gradually increase. Exemplarily, the decreasing amplitude Δep of the EP 2It can be no more than 2 mm. Alternatively, the reduction amplitude Δep of EP 2 can be greater than the first value ep 1 by 5%, and less than 10% of the first value ep 1 In the second door opening stage, EP can gradually increase.

[0238] Compared with the embodiment where EP gradually increases, in the first door opening stage, when the opening angle α is small, EP can first remain unchanged, and the door body 200 can move relatively largely and quickly towards the front side and the inner side of the refrigerator. At the same time, the first side edge J of the door body 200 can move towards the inner side and the front side of the refrigerator relative to the cabinet body 100, which can prevent the first side edge J of the door body 200 from exceeding the cabinet side wall 130 of the cabinet body 100. In the first door opening stage, when the opening angle α is large, that is, within a relatively large opening angle range in the first door opening stage, EP decreases slightly, reducing the possibility that the first side edge J of the door body 200 slightly exceeds the cabinet side wall 130 of the cabinet body 100. However, in the first door opening stage, within this relatively large opening angle range, the door body 200 has already moved relatively largely towards the front side of the refrigerator relative to the cabinet body 100, causing the first side edge J to already exceed the cabinet front wall 420 by a relatively large amount, so that there is a sufficient safety distance between the first side edge J and the cabinet side edge R, thereby reducing or eliminating the possibility of collision between the first side edge J and the cabinet. Although in the first stage of opening the door, the amount of movement of the door body 200 towards the inner side of the refrigerator is relatively small, the object of the invention can still be achieved. In the second door opening stage, the door body 200 can move towards the front side and the outer side of the refrigerator by a larger amplitude. At the same time, the first side edge J of the door body 200 can move towards the front side and the outer side of the refrigerator relative to the cabinet body 100 by a larger amplitude.

[0239] In some other embodiments of the present disclosure, as Figure 21 shown, in the first door opening stage, EP can first remain at the second value ep 2 unchanged. In the second door opening stage, EP can gradually increase.

[0240] Compared with the embodiment where EP gradually increases, in the first door opening stage, when the opening angle α is small, EP remains unchanged, and the door body 200 can move relatively largely and quickly towards the front side and the inner side of the refrigerator. At the same time, the first side edge J of the door body 200 can move towards the inner side and the front side of the refrigerator relative to the cabinet body 100, so that the first side edge J of the door body 200 does not exceed the cabinet side wall 130 of the cabinet body 100. In the first door opening stage, when the opening angle α is large, that is, within a relatively large opening angle range in the first door opening stage, EP remains unchanged. When the first side edge J of the door body 200 is substantially flush with the cabinet side wall 130 of the cabinet body 100, that is, within this relatively large opening angle range, the door body 200 has already moved relatively largely towards the front side of the refrigerator relative to the cabinet body 100, so that the first side edge J has exceeded the cabinet front wall 420 by a relatively large amount, thereby enabling a sufficient safety distance between the first side edge J of the door body 200 and the cabinet side edge R, and further reducing or eliminating the possibility of collision between the first side edge J and the cabinet 400. Although in the first door opening stage, the amount of movement of the door body 200 towards the inner side of the refrigerator is relatively small, the object of the invention can still be achieved. In the second door opening stage, the door body 200 can move towards the front side and the outer side of the refrigerator to a greater extent. At the same time, the first side edge J of the door body 200 can move towards the front side and the outer side of the refrigerator to a greater extent relative to the cabinet body 100.

[0241] In some other embodiments of the present disclosure, as Figure 22 shown, in the first door opening stage, EP can decrease or increase multiple times, that is to say, EP can vary fluctuatingly. Exemplarily, the fluctuation range Δep of EP 3 can be less than 2 mm. In the second door opening stage, EP can gradually increase.

[0242] Compared with the embodiment where EP gradually increases, within a small angle range in the first door opening stage, the door body 200 can move relatively largely and quickly towards the front side and the inner side of the refrigerator. At the same time, the first side edge J of the door body 200 moves towards the front side and the inner side of the refrigerator relative to the cabinet body 100, which can ensure that the first side edge J of the door body 200 does not exceed the cabinet side wall 130 of the cabinet body 100. Within a small angle range in the first door opening stage, although EP decreases in small steps multiple times when the first side edge J of the door body 200 moves inwards, the first side edge J of the door body 200 slightly exceeds the cabinet side wall of the cabinet body. However, in the first door opening stage, the door body 200 always moves towards the front side of the refrigerator relative to the cabinet body 100, so that the first side edge J has exceeded the cabinet front wall 420, thereby ensuring that there is a sufficient safety distance between the first side edge J of the door body 200 and the cabinet side edge R, and further reducing or eliminating the possibility of collision between the first side edge J and the cabinet 400. Although the amount of movement of the door body 200 towards the inner side of the refrigerator is relatively small in the first door opening stage, the invention purpose can still be achieved. In the second door opening stage, the door body 200 can move towards the front side and the outer side of the refrigerator to a greater extent. At the same time, the first side edge J of the door body 200 can move towards the front side and the outer side of the refrigerator relative to the cabinet body 100 to a greater extent.

[0243] In the embodiment of the present disclosure, as Figure 13 shown, when the door body 200 is closed, the axis point A projects onto the front door wall 210 along the direction y and intersects with the front door wall 210 to form a second reference point F. As Figure 23 shown, it is a schematic diagram of the hinge assembly 300 when the door body 200 is closed, and a schematic diagram of the change trend of FP.

[0244] The distance between the second reference point F and the axis point P, that is, FP, can be greater than or equal to 14 mm. FP can be less than or equal to 54 mm.

[0245] The relative position between the second reference point F and the cabinet side edge R is fixed. Therefore, the position of the cabinet side edge R can be characterized by the second reference point F. The relative position between the main locus point P and the first side edge J of the door body 200 is fixed. Therefore, to a certain extent, the position of the first side edge J of the door body 200 can be characterized by the main locus point P.

[0246] The distance between the second reference point F and the axis point P, that is, FP, can be greater than or equal to 14 mm. FP can be less than or equal to 54 mm. During the process of opening the door body 200, FP within this numerical range can ensure that there is a sufficient safety distance between the first side edge J of the door body 200 and the cabinet side edge R, thereby preventing the door body 200 from colliding with the cabinet 400.

[0247] If FP is less than 14 mm, FP is too small. During the process of automatically opening the door body 200, the distance between the first side edge J of the door body 200 and the cabinet side edge R will be too small, and the door body 200 is likely to collide with the cabinet 400. If FP is greater than 54 mm, FP is too large. During the process of automatically opening the door body 200, the door body 200 requires a larger opening space, which increases the working space required during the normal use of the refrigerator, thereby reducing the applicable range of the refrigerator.

[0248] The change trend of FP defines the movement trajectory of the main trajectory point P. In the embodiments of the present disclosure, the movement trajectory of the main trajectory point P can be adjusted by adjusting the change trend of FP, so as to adjust the movement trajectory of the door body 200. In the first door opening stage, the door body 200 can move slightly forward and inward of the refrigerator relative to the cabinet body 100, so that the part of the door body 200 close to its first side edge J will not collide with the receiving side wall 411 and the cabinet side edge R of the cabinet 400 at the initial stage of opening the door body 200. In the second door opening stage, the door body 200 can move forward and outward of the refrigerator relative to the cabinet body 100 in a large amplitude, so that the part of the door body 200 close to its first side edge J will not collide with the cabinet side edge R and the cabinet front wall 420 of the cabinet 400 at the later stage of opening the door body 200.

[0249] In some embodiments of the present disclosure, as Figure 24 shown, in the first door opening stage and the second door opening stage, as the door opening angle α increases, the distance between the second reference point F and the axis point P, that is, FP, can gradually increase.

[0250] As FP gradually increases, in the first door opening stage, the door body 200 can move forward and inward of the refrigerator relative to the cabinet body 100 in a larger amplitude and more quickly. At the same time, the first side edge J of the door body 200 can move inward and forward of the refrigerator relative to the cabinet body 100, which can make the first side edge J of the door body 200 not exceed the cabinet side wall 130 of the cabinet body 100, and at the same time can make the first side edge J exceed the cabinet front wall 420 more, so as to reduce or eliminate the possibility of collision between the first side edge J and the cabinet. In the second door opening stage, the door body 200 can move forward and outward of the refrigerator in a larger amplitude. At the same time, the first side edge J of the door body 200 can move forward and outward of the refrigerator relative to the cabinet body 100 in a larger amplitude.

[0251] In other embodiments of the present disclosure, as Figure 25 shown, in the first door opening stage, FP can first increase and then decrease. Exemplarily, the decrease amplitude Δfp of FP 1 can not exceed 2 mm. In the second door opening stage, FP can gradually increase.

[0252] Compared with the above embodiments, in the first door opening stage, when the opening angle α is small, FP increases, and the door body 200 can move relatively largely towards the front side and the inner side of the refrigerator. At the same time, the first side edge J of the door body 200 can move towards the inner side and the front side of the refrigerator relative to the cabinet body 100, so that the first side edge J of the door body 200 does not exceed the cabinet side wall 130 of the cabinet body 100. In the first door opening stage, when the opening angle α is large, the first side edge J of the door body 200 has already accumulated a margin of movement towards the inner side and the front side during the small-angle door opening process. At this time, that is, in the relatively large door opening angle range in the first door opening stage, FP decreases slightly, and the first side edge J of the door body 200 has a slight possibility of exceeding the cabinet side wall 130 of the cabinet body 100. However, in this relatively large door opening angle range, the door body 200 has already moved relatively largely towards the front side of the refrigerator relative to the cabinet body 100, so that the first side edge J has already exceeded the cabinet front wall 420, thereby ensuring that there is a sufficient safety distance between the first side edge J and the cabinet side edge R, and further reducing or eliminating the possibility of collision between the first side edge J and the cabinet. Although in the first door opening stage, the amount of movement of the door body 200 towards the inner side of the refrigerator is relatively small, the object of the invention can still be achieved. In the second door opening stage, the door body 200 can move towards the front side and the outer side of the refrigerator to a greater extent. At the same time, the first side edge J of the door body 200 can move towards the front side and the outer side of the refrigerator relative to the cabinet body 100 to a greater extent.

[0253] In other embodiments of the present disclosure. As Figure 26 shown, in the first door opening stage, FP can first remain at the third value fp 1 unchanged, then decrease, and then gradually increase. Exemplarily, the decrease amplitude Δfp 2 of FP can not exceed 2 mm. Or, the decrease amplitude Δfp 2 of FP can be greater than 5% of the third value fp 1 and less than 10% of the third value fp 1 . In the second door opening stage, FP can gradually increase.

[0254] Compared with the embodiment where FP gradually increases, in the first door-opening stage, when the opening angle α is small, FP can remain unchanged first, and the door body 200 can move relatively largely and quickly towards the front side and the inner side of the refrigerator. At the same time, the first side edge J of the door body 200 can move towards the inner side and the front side of the refrigerator relative to the cabinet body 100, so that the first side edge J of the door body 200 does not exceed the cabinet side wall 130 of the cabinet body 100. In the first door-opening stage, when the opening angle α is large, that is, within a large opening angle range in the first door-opening stage, FP decreases slightly, and there is a possibility that the first side edge J of the door body 200 slightly exceeds the cabinet side wall 130 of the cabinet body 100. However, in the first door-opening stage, within this large opening angle range, the door body 200 has already moved relatively largely towards the front side of the refrigerator relative to the cabinet body 100, so that the first side edge J has already exceeded the cabinet front wall 420 by a large amount, thereby creating a sufficient safety distance between the first side edge J and the cabinet side edge R, and further reducing or eliminating the possibility of collision between the first side edge J and the cabinet. Although the amount of movement of the door body 200 towards the inner side of the refrigerator is relatively small in the first door-opening stage, the object of the invention can still be achieved. In the second door-opening stage, the door body 200 can move towards the front side and the outer side of the refrigerator to a greater extent. At the same time, the first side edge J of the door body 200 can move towards the front side and the outer side of the refrigerator relative to the cabinet body 100 to a greater extent.

[0255] In some other embodiments of the present disclosure, as Figure 27 shown, in the first door-opening stage, FP can first be maintained at the fourth value fp 2 unchanged. In the second door-opening stage, FP can gradually increase.

[0256] Compared with the embodiment where FP gradually increases, in the first door-opening stage, when the opening angle α is small, FP remains unchanged, and the door body 200 can move relatively largely and quickly towards the front side and the inner side of the refrigerator. At the same time, the first side edge J of the door body 200 can move towards the inner side and the front side of the refrigerator relative to the cabinet body 100, so that the first side edge J of the door body 200 does not exceed the cabinet side wall 130 of the cabinet body 100. In the first door-opening stage, when the opening angle α is large, that is, within a relatively large opening angle range in the first door-opening stage, FP remains unchanged. When the first side edge J of the door body 200 is substantially flush with the cabinet side wall 130 of the cabinet body 100, that is, within this relatively large opening angle range, the door body 200 has already moved relatively largely towards the front side of the refrigerator, so that the first side edge J has already exceeded the cabinet front wall 420 by a relatively large amount, thereby enabling a sufficient safety distance between the first side edge J of the door body 200 and the cabinet side edge R, and further reducing or eliminating the possibility of collision between the first side edge J and the cabinet 400. Although in the first door-opening stage, the amount of movement of the door body 200 towards the inner side of the refrigerator is relatively small, the object of the invention can still be achieved. In the second door-opening stage, the door body 200 can move towards the front side and the outer side of the refrigerator to a greater extent. At the same time, the first side edge J of the door body 200 can move towards the front side and the outer side of the refrigerator to a greater extent relative to the cabinet body 100.

[0257] In some other embodiments of the present disclosure, as Figure 28 shown, in the first door-opening stage, FP can decrease or increase multiple times, that is to say, FP can change in a fluctuating manner. Exemplarily, the fluctuation range Δfp 3 of FP can be less than 2 mm. In the second door-opening stage, FP can gradually increase.

[0258] Compared with the embodiment where the FP gradually increases, within a small-angle range in the first door-opening stage, the door body 200 can move relatively largely and quickly towards the front side and the inner side of the refrigerator. At the same time, the first side edge J of the door body 200 moves towards the front side and the inner side of the refrigerator relative to the cabinet body 100, which can ensure that the first side edge J of the door body 200 does not exceed the cabinet side wall 130 of the cabinet body 100. Within a small-angle range in the first door-opening stage, although the first side edge J of the door body 200 moves inwards and the FP decreases in small increments multiple times, the first side edge J of the door body 200 slightly exceeds the cabinet side wall of the cabinet body. However, in the first door-opening stage, the door body 200 always moves towards the front side of the refrigerator relative to the cabinet body 100, causing the first side edge J to have already exceeded the cabinet front wall 420, thereby creating a sufficient safety distance between the first side edge J of the door body 200 and the cabinet side edge R. As a result, the possibility of collision between the first side edge J and the cabinet 400 can be reduced or eliminated. Although the amount of movement of the door body 200 towards the inner side of the refrigerator is relatively small in the first door-opening stage, the invention's objective can still be achieved. In the second door-opening stage, the door body 200 can move towards the front side and the outer side of the refrigerator to a greater extent. At the same time, the first side edge J of the door body 200 can move towards the front side and the outer side of the refrigerator relative to the cabinet body 100 to a greater extent.

[0259] In some embodiments of the present disclosure, the process of opening the door body 200 may include a third door-opening stage and a fourth door-opening stage. When the opening angle α exceeds the third preset opening angle α 3 , but has not reached the fourth preset opening angle α 4 , that is, α ∈ [α 3 , α 4 ), it is the third door-opening stage. And when the opening angle α exceeds the fourth preset opening angle α 4， to the maximum opening angle α max , that is, α ∈ [α 4 , α max] , it is the fourth door-opening stage.

[0260] Among them, the fourth preset opening angle α 4 is greater than the third preset opening angle α 3 .

[0261] The third preset opening angle α 3 can be any angle between 10° and 30°. Specifically, in the design process, as Figure 29 shows, the third preset opening angle α 3 can be the opening angle α when the P point crosses P 2 . Exemplarily, the third preset opening angle α 3 can be 10°, 15°, or 20°.

[0262] The fourth preset opening angle α 4It can be any angle between 90° and 105°. Specifically, in the design process, such as Figure 29 in, the fourth preset opening angle α 4 can be the opening angle α when the distance between point P and the plane where the access opening of the box body is located is the largest. Exemplarily, the fourth preset opening angle α 4 can be 90°, 98° or 105°.

[0263] In the third opening stage, the length of the positive projection of the distance between the first reference point E and the axis point P in the direction perpendicular to the front wall 110 of the box body, that is, the positive projection length of EP in the direction y, always increases, so that the door body 200 is opened to the third preset opening angle α 3 After that, point P moves relative to the box body 100 away from the box body side and the outside of the box body, so that the movement trend of the door body 200 is to move away from the box body side and the outside of the box body.

[0264] In the fourth opening stage, the length of the positive projection of the distance between the first reference point E and the axis point P in the direction perpendicular to the front wall 110 of the box body, that is, the positive projection length of EP in the direction y, gradually decreases, so that the door body 200 is opened to the fourth preset opening angle α 4 After that, point P moves relative to the box body 100 towards the box body side and the outside of the box body, so that the movement trend of the door body 200 is to move towards the box body side and the outside of the box body.

[0265] In the refrigerator in the related art, after the door body 200 is opened to the third preset opening angle α 3 until the maximum opening angle α max During the process, the positive projection length of EP in the direction y always gradually increases, and the door body 200 moves relative to the box body 100 away from the box body side and the outside of the refrigerator.

[0266] In some embodiments of the present disclosure, since the door body 200 can have a larger opening angle α, it can make the amplitude of the door body 200 moving towards the outside of the refrigerator larger. In this way, it is beneficial for the door body 200 to move more towards the front side and the outside of the box body. During the process of the door body being opened from a large angle to the maximum opening angle, there is more space for the door body 200 to move towards the side close to the box body, avoiding occupying more indoor space when the door body is opened to a large angle.

[0267] Such as Figure 29 shown, assuming that when the refrigerator of the embodiment of the present disclosure only increases the first included angle θ compared with the related art, the movement trajectory of the main trajectory point P is the movement trajectory p 1 , and the movement trajectory of the auxiliary trajectory point Q is the movement trajectory q 1The horizontal dashed line represents the position of the front wall 210 of the door when the door body 200 is closed, denoted as the preset front wall 210'. The vertical dashed line represents the position of the first door side wall 230 when the door body 200 is closed, denoted as the preset first door side wall 230'. The preset front wall 210' and the preset first door side wall 230' are fixed positions during the opening process of the door body 200. Point P' is located on the preset front wall 210', and the distance between the first reference point E and point P' is equal to the distance between the first reference point E and the main trajectory point P when the door body 200 is closed, that is, EP = EP'. When the main trajectory point P moves to point P on the preset front wall 210' 1 the distance between point P' and point P 1 i.e., P'P 1 represents the movement amount of the main trajectory point P towards the inside of the refrigerator in the horizontal direction x, and to a certain extent, it can be used to characterize the movement amount of the door body 200 towards the inside of the refrigerator in the horizontal direction x during the opening process of the door body 200.

[0268] It should be noted that in the embodiment of the present disclosure, the technical solution of increasing the first included angle θ compared with the related art can achieve the invention purpose of increasing the maximum opening angle. Although it slightly reduces the movement amount of the door body towards the inside of the refrigerator in the early stage of opening, it will not significantly reduce the movement amount of the door body 200 towards the front side of the refrigerator, and the reduced movement amount will not significantly reduce the distance between the first side edge J of the door body 200 and the cabinet side edge R, so that there will still be a sufficient safety distance between the first side edge J of the door body 200 and the cabinet side edge R, which can reduce or eliminate the possibility of collision between the first side edge J of the door body 200 and the cabinet side edge R, and combined with the ability range of those skilled in the art, the invention purpose can still be achieved.

[0269] As Figure 29 shown, in some other embodiments of the present disclosure, the movement trajectory of the main trajectory point P can be improved. The movement trajectory p is the movement trajectory of the improved main trajectory point P. When the main trajectory point P moves to point P on the preset front wall 210' 2 the movement amount of the main trajectory point P towards the inside of the refrigerator in the horizontal direction x is P'P 2 , P'P 2 is greater than P'P 1 . That is to say, compared with the above embodiment, this embodiment increases the movement amount of the main trajectory point P towards the inside of the refrigerator in the horizontal direction x, thereby increasing the movement amount of the door body 200 towards the inside of the refrigerator in the horizontal direction x during the opening process of the door body 200, and further reducing the possibility of collision between the part of the door body 200 near its first side edge J and the receiving side wall 411 of the cabinet 400 and the cabinet side edge R.

[0270] In some embodiments of the present disclosure, referring to Figure 30 and Figure 36, the connection line between the axis point A and the axis point P when the door body 200 is closed, and the horizontal line x passing through the axis point A and parallel to the front wall 110 of the box 1 has a fourth included angle δ therebetween, and the fourth included angle δ can be greater than or equal to 8°. Preferably, the fourth included angle δ can be greater than 9°. In the related art, referring to Figure 32 , the fourth included angle δ is 6-7°. Compared with the related art, the embodiment of the present disclosure increases the fourth included angle δ. During the process of opening the door body 200, when the main trajectory point P moves to the point P 1 on the horizontal line x 3 , it will make EP 3 rotate counterclockwise relative to EP by a larger angle. The larger this angle is, the greater the movement amount of the main trajectory point P inward the refrigerator in the horizontal direction x, thereby increasing the movement amount of the door body 200 inward the refrigerator in the horizontal direction x.

[0271] If the fourth included angle δ is less than 8°, the fourth included angle δ is too small. During the process of opening the door body 200, it will cause the main trajectory point P to move to the point P 1 on the horizontal line x 3 , and EP 3 rotate counterclockwise relative to EP by a smaller angle. The smaller this angle is, the smaller the movement amount of the main trajectory point P inward the refrigerator in the horizontal direction x, thereby resulting in a smaller movement amount of the door body 200 inward the refrigerator in the horizontal direction x, making the door body 200 prone to collide with the accommodating side wall 411 and the cabinet side edge R of the cabinet 400.

[0272] In some embodiments of the present disclosure, the fourth included angle δ can be less than or equal to 15°. If the fourth included angle δ is greater than 15°, the fourth included angle δ is too large. When the door body is closed, the main trajectory point P is closer to the front wall 110 of the box, thereby causing at least part of the rods in the hinge assembly 300 to deviate towards the front wall 110 of the box, which is likely to cause the thickness H of the hinge assembly 300 to be too large, thereby affecting the heat preservation performance of the door body 200. Setting the fourth included angle δ to be less than or equal to 15° is beneficial to ensuring that the hinge assembly 300 has a sufficiently small thickness, thereby facilitating the miniaturization of the hinge assembly 300.

[0273] In some embodiments of the present disclosure, as Figure 30 shown, when the door body 200 is closed, the distance between the axis point A and the axis point P when the door body 200 is closed, that is, AP can be greater than or equal to 12 mm. In the related art, as Figure 31 shown, when the door body 200 is closed, the distance between the axis point A and the axis point P when the door body 200 is closed, that is, AP is 11 mm. Compared with the related art, the embodiment of the present disclosure increases the distance between the axis point A and the axis point P when the door body 200 is closed, making the axis point P far from the axis point A, so that AL and the horizontal line x 1Between them, that is, there is enough space on the side of the first rod 320 facing away from the front wall 110 of the box, which is conducive to increasing the fourth included angle δ, thereby facilitating an increase in the movement amount of the door body 200 inwardly of the refrigerator in the horizontal direction x and preventing the door body 200 from colliding with the cabinet 400 during the process of opening the door body 200.

[0274] If AP is less than 12 mm, AP is too small, which will cause the axis point P to be closer to the axis point A when the door body 200 is closed, making it not conducive to increasing the fourth included angle δ and increasing the difficulty of increasing the movement amount of the door body 200 inwardly of the refrigerator in the horizontal direction x, resulting in the door body 200 being prone to collide with the cabinet 400 during the process of opening the door body 200.

[0275] In some embodiments of the present disclosure, AP can be less than or equal to 16 mm. If AP is greater than 16 mm, AP is too large, and the main locus point P is closer to the front wall 110 of the box when the door is closed, so that at least part of the rods in the hinge assembly 300 deviate towards the front wall 110 of the box, easily resulting in an excessive thickness H of the hinge assembly 300, thereby affecting the heat preservation performance of the door body 200. Setting AP to be less than or equal to 16 mm is conducive to ensuring that the hinge assembly 300 has a small enough thickness, thereby facilitating the miniaturization of the hinge assembly 300.

[0276] In some embodiments of the present disclosure, as Figure 32 shown, the connection line between the axis point P and the axis point L and the connection line between the axis point L and the axis point M form a fifth included angle β, and the fifth included angle β faces away from the front wall 110 of the box when the door body 200 is closed. That is to say, PLM can be bent, and PLM can face away from the front wall 110 of the box when the door body 200 is closed. By bending PLM, the axis point L can be closer to the front wall 110 of the box when the door body 200 is closed, thereby increasing the space between AL and the horizontal line x 1 Between them, so that there is enough space on the side of the first rod 320 facing away from the front wall 110 of the box, which is conducive to increasing the fourth included angle δ, thereby facilitating an increase in the movement amount of the door body 200 inwardly of the refrigerator in the horizontal direction x and preventing the door body 200 from colliding with the cabinet 400 during the process of opening the door body 200.

[0277] In some embodiments of the present disclosure, the fifth included angle β can be less than or equal to 176°.

[0278] In some embodiments of the present disclosure, the fifth included angle β can be greater than or equal to 170°.

[0279] In some embodiments of the present disclosure, as Figure 33As shown, the first rod 320 can be bent, and the bending direction of the first rod 320 faces away from the front wall 110 of the cabinet when the door body 200 is closed. In other words, the first rod 320 can be bent in a direction away from the front wall 110 of the cabinet when the door body 200 is closed. With such a setting, the space between the first rod 320 and the horizontal line x when the door body 200 is closed can be increased, so that there is enough space on the side of the first rod 320 facing away from the front wall 110 of the cabinet, which is beneficial to increasing the fourth included angle δ, and thus beneficial to increasing the movement amount of the door body 200 towards the inner side of the refrigerator in the horizontal direction x, preventing the door body 200 from colliding with the cabinet 400 during the process of opening the door body 200. 1 Between them, so that there is enough space on the side of the first rod 320 facing away from the front wall 110 of the cabinet, which is beneficial to increasing the fourth included angle δ, and thus beneficial to increasing the movement amount of the door body 200 towards the inner side of the refrigerator in the horizontal direction x, preventing the door body 200 from colliding with the cabinet 400 during the process of opening the door body 200.

[0280] In some other embodiments of the present disclosure, as Figure 33 Shown, on the side of the first rod 320 facing the sixth hinge shaft 376 when the door body 200 is closed, an avoidance recess can be provided, and the avoidance recess can be used to accommodate at least part of the sixth hinge shaft 376, at least part of the third rod 340, and at least part of the fifth rod 360. With such a setting, the space between the first rod 320 and the horizontal line x when the door body 200 is closed can be increased, so that there is enough space on the side of the first rod 320 facing away from the front wall 110 of the cabinet, which is beneficial to increasing the fourth included angle δ, and thus beneficial to increasing the movement amount of the door body 200 towards the inner side of the refrigerator in the horizontal direction x, preventing the door body 200 from colliding with the cabinet 400 during the process of opening the door body 200. 1 Between them, so that there is enough space on the side of the first rod 320 facing away from the front wall 110 of the cabinet, which is beneficial to increasing the fourth included angle δ, and thus beneficial to increasing the movement amount of the door body 200 towards the inner side of the refrigerator in the horizontal direction x, preventing the door body 200 from colliding with the cabinet 400 during the process of opening the door body 200.

[0281] In some embodiments of the present disclosure, as Figure 34 Shown, the part of the second rod 330 located between the center point B and the center point M, that is, BM, can be bent, and the bending direction of BM can face away from the front wall 110 of the cabinet when the door body 200 is closed. In other words, BM can be bent in a direction away from the front wall 110 of the cabinet when the door body 200 is closed. With such a setting, the space above BM when the door body 200 is closed can be increased, providing enough space for the center point L to move towards the front wall 110 of the cabinet, which is beneficial to increasing the space between AL and the horizontal line x 1 Between them, further beneficial to increasing the fourth included angle δ, and thus beneficial to increasing the movement amount of the door body 200 towards the inner side of the refrigerator in the horizontal direction x, preventing the door body 200 from colliding with the cabinet 400 during the process of opening the door body 200.

[0282] In some embodiments of the present disclosure, as Figure 35 Shown, at least part of the rods in the hinge assembly 300 can be bent, which will not be elaborated here.

[0283] As Figure 40As shown, in the movement trajectory j of the first side edge J, during the process of closing the door body 200 to opening the door body 200, the first side edge J can move relative to the cabinet 100 first towards the front side and the inner side of the refrigerator. Then, when the door body 200 is opened to a certain opening angle α, the first side edge J starts to move towards the front side and the outer side of the refrigerator.

[0284] One of the technical problems to be solved in the embodiments of the present disclosure is that during the process of opening the door body 200, in order to avoid interference between the first side edge J and the cabinet 400, and to ensure that there is always a sufficiently large safety distance to avoid collision between the first side edge J and the cabinet 400. As Figure 12 shown, within a certain opening angle range, it is necessary to ensure that AP and BP have a large length increase rate. In this way, during the process of gradually increasing the opening angle α, the point P can move towards the inner side of the refrigerator, and at the same time, the point P can move towards the front side of the refrigerator by a large margin, so that when the door body 200 is opened at a small opening angle α, there is already a sufficiently large safety distance to avoid collision between the first side edge J point of the door body 200 and the cabinet 400.

[0285] In some embodiments of the present disclosure, as Figure 12 shown, in order to make the point P move towards the inner side of the refrigerator and at the same time move towards the front side of the refrigerator by a large margin, it is necessary to make BP have a large length increase rate when the door body 200 is opened at a small opening angle α. If BP has a large length increase rate when the door body 200 is opened at a small opening angle α, the key lies in BM / PM=n, or, lies in the increasing speed of ω 2 during the process of opening the door body 200 at a small opening angle α.

[0286] In some embodiments of the present disclosure, as Figure 37 and Figure 38 shown, the second ratio n of the distance between the axis point B and the axis point M and the distance between the axis point M and the axis point P, that is, BM / PM=n, n can be less than 1.0. As Figure 39 shown, if BP is to have a large length increase rate when the door body 200 is opened at a small opening angle α, it is necessary to ensure that BM / PM=n is not too large. If n is too large, then when the door body 200 is opened at a small opening angle α, the length increase rate of BP is small.

[0287] Similarly, in the embodiments of the present disclosure, as Figure 37 and Figure 38As shown, the second ratio n of the distance between the axis point B and the axis point M and the distance between the axis point M and the axis point P, that is, BM / PM = n, and n can be less than 1.0. Setting n to be less than 1.0 is beneficial to increasing the movement amount of the main trajectory point P towards the outside of the refrigerator in the horizontal direction x, thereby being beneficial to increasing the movement amount of the door body 200 towards the outside of the refrigerator in the horizontal direction x during the process of opening the door body 200, and further preventing the door body 200 from colliding with the cabinet 400.

[0288] If the second ratio n is greater than or equal to 1.0, the second ratio n is too large, which is not conducive to increasing the movement amounts of the main trajectory point P towards the outside and the front side of the refrigerator in the horizontal direction x and the vertical direction y within a small angle range when the door body 200 is opened. Thus, it is not conducive to increasing the movement amount of the door body 200 towards the outside of the refrigerator in the horizontal direction x during the process of opening the door body 200, and increases the risk of the door body 200 colliding with the cabinet 400.

[0289] In some embodiments of the present disclosure, n can be greater than or equal to 0.85. Preferably, n can be greater than or equal to 0.9.

[0290] If n is further reduced, it is necessary to reduce the length of BM or increase the length of PM. If n is less than 0.85 or 0.9, n is too small, which will cause BM to be too short or PM to be too long.

[0291] If BM is too short, the sum of BM and PM will be reduced. When the opening angle α of the door body 200 is relatively large, it will reduce the movement amount of the main trajectory point P relative to the cabinet 100 towards the outside of the refrigerator, thereby being not conducive to increasing the movement amount of the door body 200 relative to the cabinet 100 towards the outside of the refrigerator during the process of opening the door body 200.

[0292] If PM is too long, the axis point M will be close to the front wall 110 of the cabinet when the door body 200 is closed, which will cause the thickness H of the hinge assembly 300 to be too large and is not conducive to the miniaturization of the hinge assembly 300. Therefore, setting the n value to be greater than or equal to 0.85 or greater than or equal to 0.9 is beneficial to increasing the movement amount of the door body 200 relative to the cabinet 100 towards the outside of the refrigerator during the process of opening the door body 200 and is beneficial to the miniaturization of the hinge assembly 300.

[0293] In some embodiments of the present disclosure, the connection line between the axis point A of the first hinge shaft 371 and the axis point P of the sixth hinge shaft 376 has a seventh included angle η with the connection line between the axis point B of the second hinge shaft 372 and the axis point Q of the seventh hinge shaft 377. Refer to Figure 41 and Figure 42 and refer to Figure 7 and Figure 11When the opening angle α is any value between 30° and 90°, the seventh included angle η can be greater than or equal to 0° and less than or equal to 5°. For example, the seventh included angle η can be 0°, 1°, 2°, 3°, 4°, or 5°. That is to say, when the opening angle α is between 30° and 90°, AP and BQ are parallel or approximately parallel.

[0294] Combined with Figure 12 , the seventh included angle η between 0° and 5° can make the quadrilateral PQBA formed in the hinge assembly 300 always maintain a relatively stable shape, so that the hinge assembly 300 can support the door body more stably.

[0295] In addition, according to the above description, during the process of opening the door body, AP and BQ gradually increase as the opening angle α increases. Refer to Figure 12 , the pivot point A and the pivot point B are both fixed points, so the distance between the pivot point A and the pivot point B, that is, AB, is a fixed length. The pivot point P and the pivot point Q are both fixedly connected to the door body 200, so the distance between the pivot point P and the pivot point Q, that is, PQ, is a fixed length. In the quadrilateral ABPQ, since AP and BQ are parallel or approximately parallel, during the process of opening the door body 200, it is necessary to make AP have a large length growth rate. The greater the length growth rate of AP, the more beneficial it is to move the door body further outward from the refrigerator, thereby facilitating an increase in the theoretically maximum opening angle α max .

[0296] In some embodiments of the present disclosure, during the process of increasing the opening angle α from 30° to 90°, the seventh included angle η can first decrease and then increase. Exemplarily, when the opening angle α is 30°, the seventh included angle η can be 5°. During the process of increasing the opening angle α from 30° to 90°, the seventh included angle η can decrease from 5° to 0°, and then increase to 5°.

[0297] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present disclosure, and are not intended to limit them; although the present disclosure has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present disclosure.

[0298] For the sake of convenience in explanation, the above description has been made in connection with specific embodiments. However, the above exemplary discussion is not intended to be exhaustive or to limit the embodiments to the specific forms disclosed above. According to the above teachings, various modifications and variations can be obtained. The selection and description of the above embodiments are for the purpose of better explaining the principles and practical applications, so that those skilled in the art can better use the embodiments and various different modified embodiments suitable for specific use considerations.

Claims

1. A refrigerator, characterized in that the refrigerator include: A box body, which is configured with a storage chamber, the box body having a box front wall located at the front side, and a box side wall connected to the box front wall; A door body, which is used to open or close the storage room, and the door body is rotatably connected to the box body through a hinge assembly; the door body includes a door front wall, a door rear wall and two door side walls; the door front wall and the door rear wall are parallel to the box front wall when the door body is closed, and the door front wall is farther away from the box body than the door rear wall; the angle between the door front wall and the box front wall is the door opening angle; the two door side walls are arranged opposite to each other, and are both connected to the door front wall and the door rear wall; the side wall close to the hinge assembly is the first door side wall; Wherein, the hinge assembly comprises: A mounting seat connected to the front wall of the box; A first rod, a first end of which is rotatably connected to the mounting seat via a first hinge shaft; A second rod, a first end of which is rotatably connected to the mounting seat via a second hinge shaft, wherein the axis center point of the second hinge shaft is closer to the front wall of the box and closer to the center of the storage chamber than the axis center point of the first hinge shaft; a third rod, wherein a middle portion thereof is rotatably connected to the second end of the first rod via a third hinge shaft, and a first end of the third rod is rotatably connected to the middle portion of the second rod via a fourth hinge shaft; a fourth rod, a first end of which is rotatably connected to the second end of the second rod via a fifth hinge shaft; a fifth rod, which is fixedly connected to the door body, wherein the first end of the fifth rod is rotatably connected to the second end of the third rod via a sixth hinge shaft; and the second end of the fifth rod is rotatably connected to the second end of the fourth rod via a seventh hinge shaft; When a pulling force is applied to the door body and the door body is opened from a closed state, the fifth rod drives the third rod and the fourth rod, so that the third rod rotates in a first direction relative to the fifth rod, and the fourth rod rotates in the first direction relative to the fifth rod; the third rod drives the first rod and the second rod, so that the first rod rotates in a second direction relative to the mounting seat, and the second rod rotates in the second direction relative to the mounting seat; the fourth rod drives the second rod, so that the second rod rotates in the second direction relative to the mounting seat; wherein the second direction is opposite to the first direction; When a thrust is applied to the door body and the door body is closed, the fifth rod drives the third rod and the fourth rod, so that the third rod rotates in the second direction relative to the fifth rod, and the fourth rod rotates in the second direction relative to the fifth rod; the third rod drives the first rod and the second rod, so that the first rod rotates in the first direction relative to the mounting seat, and the second rod rotates in the first direction relative to the mounting seat; the fourth rod drives the second rod, so that the second rod rotates in the first direction relative to the mounting seat; In the process of the door body from closing to opening, the door opening angle gradually increases, the length of the line between the axis point of the first hinge axis and the axis point of the sixth hinge axis gradually increases, the length of the line between the axis point of the second hinge axis and the axis point of the sixth hinge axis gradually increases, and the length of the line between the axis point of the second hinge axis and the axis point of the seventh hinge axis gradually increases; During the process of opening the door body, when the door opening angle does not reach the first preset door opening angle, it is the first door opening stage; when the door opening angle reaches the first preset door opening angle but does not reach the second preset door opening angle greater than the first preset door opening angle, it is the second door opening stage; in the first door opening stage, the axis point of the sixth hinge shaft moves toward the inner side of the refrigerator; in the second door opening stage, the axis point of the sixth hinge shaft moves toward the outer side of the refrigerator; The hinge assembly has a first reference line and a second reference line; the first reference line passes through the axis point of the second hinge axis and is parallel to the box side wall; the second reference line passes through the axis point of the first hinge axis and is parallel to the box side wall; Wherein, in the second door opening stage, when the door opening angle is the first door opening angle, the axis point of the sixth hinge axis is located on the first reference line; when the door opening angle is the second door opening angle, the axis point of the sixth hinge axis is located on the second reference line; when the door opening angle is greater than the second door opening angle, the axis point of the sixth hinge axis is located outside the second reference line; The first door opening angle and the second door opening angle are both located between the first preset door opening angle and the second preset door opening angle, and the first door opening angle is smaller than the second door opening angle.

2. The refrigerator according to claim 1, characterized in that: The first door opening angle is any value between 45° and 60°; Or, the second door opening angle is any value between 70° and 85°.

3. The refrigerator according to claim 1, characterized in that: A seventh angle is formed between a line connecting the axis center of the first hinge axis and the axis center of the sixth hinge axis and a line connecting the axis center of the second hinge axis and the axis center of the seventh hinge axis; When the door opening angle is any value between 30° and 90°, the seventh angle is always greater than or equal to 0° and less than or equal to 5°.

4. The refrigerator according to claim 3, characterized in that: When the door opening angle increases from 30° to 90°, the seventh angle first decreases and then increases.

5. The refrigerator according to any one of claims 1 to 3, characterized in that: When the door opening angle is opened to 115°, a second angle is formed between a line connecting the axis points of the second hinge axis and the fifth hinge axis and the front wall of the box, and the second angle is greater than or equal to 90°.

6. The refrigerator according to any one of claims 1 to 3, characterized in that: When the door opening angle is opened to 115°, there is a third angle between the line between the axis point of the second hinge axis and the axis point of the fourth hinge axis and the front wall of the box, and the third angle is greater than or equal to 85° and less than or equal to 90°.

7. The refrigerator according to any one of claims 1 to 3, characterized in that: A first angle between a line connecting the axis center point of the first hinge axis and the axis center point of the second hinge axis and the box side wall is greater than or equal to 30°.

8. The refrigerator according to claim 7, characterized in that: A first angle between a line connecting the axis center point of the first hinge axis and the axis center point of the second hinge axis and the box side wall is less than or equal to 36°.

9. The refrigerator according to claim 8, characterized in that: When the door body is closed, the first door side wall intersects with the door front wall to form a first reference point; The distance between the first reference point and the axis center point of the sixth hinge axis is greater than or equal to 20 mm and less than or equal to 60 mm.

10. The refrigerator according to claim 8, characterized in that: When the door body is closed, the first door side wall intersects with the door front wall to form a first reference point; In the first door opening stage and the second door opening stage, the distance between the first reference point and the axis point of the sixth hinge axis gradually increases, so that the first side edge formed by the intersection of the door front wall and the first door side wall moves first toward the front and inner side of the refrigerator relative to the box body, and then moves toward the front and outer side of the refrigerator.

11. The refrigerator according to claim 8, characterized in that: When the door body is closed, the first door side wall intersects with the door front wall to form a first reference point; In the first door opening stage, the distance between the first reference point and the axis point of the sixth hinge axis first increases and then decreases; in the second door opening stage, the distance between the first reference point and the axis point of the sixth hinge axis gradually increases; so that the first side edge formed by the intersection of the door front wall and the first door side wall moves first toward the front and inner side of the refrigerator relative to the box body, and then moves toward the front and outer side of the refrigerator.

12. The refrigerator according to claim 11, characterized in that: In the first door opening stage, the distance between the first reference point and the axis point of the sixth hinge axis decreases by no more than 2 mm.

13. The refrigerator according to claim 8, characterized in that: When the door body is closed, the first door side wall intersects with the door front wall to form a first reference point; In the first door opening stage, the distance between the first reference point and the axis point of the sixth hinge axis first remains unchanged at a first value, then decreases, and then gradually increases; in the second door opening stage, the distance between the first reference point and the axis point of the sixth hinge axis gradually increases; so that the first side edge formed by the intersection of the door front wall and the first door side wall moves first toward the front and inner side of the refrigerator, and then toward the front and outer side of the refrigerator relative to the box body.

14. The refrigerator according to claim 13, characterized in that: In the first door opening stage, the distance between the first reference point and the axis point of the sixth hinge axis decreases by less than 2 mm; or, the distance decreases by more than 5% of the first value and less than 10% of the first value.

15. The refrigerator according to claim 8, characterized in that When the door body is closed, the first door side wall intersects with the door front wall to form a first reference point; In the first door opening stage, the distance between the first reference point and the axis point of the sixth hinge axis remains unchanged at a second value; in the second door opening stage, the distance between the first reference point and the axis point of the sixth hinge axis gradually increases; so that the first side edge formed by the intersection of the door front wall and the first door side wall moves first toward the front and inner side of the refrigerator relative to the box body, and then moves toward the front and outer side of the refrigerator.

16. The refrigerator according to claim 8, characterized in that: When the door body is closed, the first door side wall intersects with the door front wall to form a first reference point; In the first door opening stage, the distance between the first reference point and the axis point of the sixth hinge axis fluctuates; in the second door opening stage, the distance between the first reference point and the axis point of the sixth hinge axis gradually increases; so that the first side edge formed by the intersection of the door front wall and the first door side wall moves first toward the front and inner side of the refrigerator relative to the box body, and then moves toward the front and outer side of the refrigerator.

17. The refrigerator according to claim 16, characterized in that: In the first door opening stage, the distance between the first reference point and the axis point of the sixth hinge axis decreases by less than 2 mm.

18. The refrigerator according to claim 8, characterized in that When the door body is closed, a fourth angle is formed between a line connecting the axis points of the first hinge axis and the sixth hinge axis and a horizontal line passing through the axis points of the first hinge axis and parallel to the front wall of the box, wherein the fourth angle is greater than or equal to 8°.

19. The refrigerator according to claim 18, characterized in that The fourth angle is less than or equal to 15°.

20. The refrigerator according to claim 19, characterized in that When the door body is closed, the distance between the axis center point of the first hinge axis and the axis center point of the sixth hinge axis is greater than or equal to 12 mm and less than or equal to 16 mm.

21. A refrigerator, characterized in that the refrigerator include: A box body, which is configured with a storage chamber, the box body having a box front wall located at the front side, and a box side wall connected to the box front wall; A door body, used for opening or closing the storage chamber; A hinge assembly, which connects the box body and the door body, and the hinge assembly includes: A mounting seat connected to the front wall of the box; A first rod, a first end of which is rotatably connected to the mounting seat via a first hinge shaft; A second rod, a first end of which is rotatably connected to the mounting seat via a second hinge shaft, wherein the axis of the second hinge shaft is closer to the box front wall and closer to the center of the storage chamber than the axis of the first hinge shaft; a third rod, wherein a middle portion thereof is rotatably connected to the second end of the first rod via a third hinge shaft, and a first end of the third rod is rotatably connected to the middle portion of the second rod via a fourth hinge shaft; a fourth rod, a first end of which is rotatably connected to the second end of the second rod via a fifth hinge shaft; a fifth rod, which is fixedly connected to the door body, wherein the first end of the fifth rod is rotatably connected to the second end of the third rod via a sixth hinge shaft; and the second end of the fifth rod is rotatably connected to the second end of the fourth rod via a seventh hinge shaft; Wherein, the mounting seat, the first rod, the second rod, the third rod, the fourth rod and the fifth rod form a six-link mechanism; A pulling force is applied to the door body to switch the door body from a closed state to an open state, and the fifth rod drives the third rod and the fourth rod, so that the third rod rotates in a first direction relative to the fifth rod, and the fourth rod rotates in the first direction relative to the fifth rod; the third rod drives the first rod and the second rod, so that the first rod rotates in a second direction relative to the mounting seat, and the second rod rotates in the second direction relative to the mounting seat; the fourth rod drives the second rod, so that the second rod rotates in the second direction relative to the mounting seat; wherein the second direction is opposite to the first direction; A thrust is applied to the door body to switch the door body from an open state to a closed state, and the fifth rod drives the third rod and the fourth rod, so that the third rod rotates in the second direction relative to the fifth rod, and the fourth rod rotates in the second direction relative to the fifth rod; the third rod drives the first rod and the second rod, so that the first rod rotates in the first direction relative to the mounting seat, and the second rod rotates in the first direction relative to the mounting seat; the fourth rod drives the second rod, so that the second rod rotates in the first direction relative to the mounting seat; A first angle between a line connecting the axis of the first hinge shaft and the axis of the second hinge shaft and the box side wall is greater than or equal to 25°.

22. The refrigerator according to claim 21, characterized in that A first angle between a line connecting the axis of the first hinge shaft and the axis of the second hinge shaft and the box side wall is less than or equal to 40°.

23. The refrigerator according to claim 22, characterized in that: The door body comprises a door front wall, a door rear wall and two door side walls; the door front wall and the door rear wall are both parallel to the box front wall, and the door front wall is farther away from the box body than the door rear wall; the two door side walls are arranged opposite to each other and are both connected to the door front wall and the door rear wall; the angle between the door front wall and the box front wall is the door opening angle; The door side wall close to the hinge assembly among the two door side walls is a first door side wall; when the door body is closed, the first door side wall intersects with the door front wall to form a first reference point; The distance between the first reference point and the axis of the sixth hinge axis is greater than or equal to 20 mm and less than or equal to 60 mm; In the process of opening the door body, the distance between the axis of the first hinge axis and the axis of the sixth hinge axis, and the distance between the axis of the second hinge axis and the axis of the seventh hinge axis increase with the increase of the door opening angle, so that the door body first moves toward the front side and inward of the box body, and then moves toward the front side and outward of the box body.

24. The refrigerator according to claim 22, characterized in that The door body comprises a door front wall, a door rear wall and two door side walls; the door front wall and the door rear wall are both parallel to the box front wall, and the door front wall is farther away from the box body than the door rear wall; the two door side walls are arranged opposite to each other and are both connected to the door front wall and the door rear wall; The door side wall close to the hinge assembly among the two door side walls is a first door side wall; when the door body is closed, the first door side wall intersects with the door front wall to form a first reference point; The angle between the door front wall and the box front wall is the door opening angle; the first door side wall intersects with the door front wall to form a first side edge; In the process of opening the door body, when the door opening angle does not reach the first preset door opening angle, it is the first door opening stage; when the door opening angle exceeds the first preset door opening angle but does not reach the second preset door opening angle which is greater than the first preset door opening angle, it is the second door opening stage; During the first door opening stage and the second door opening stage, the distance between the first reference point and the axis of the sixth hinge axis gradually increases, so that the first side edge moves first toward the front and inside of the refrigerator relative to the box body, and then toward the front and outside of the refrigerator.

25. The refrigerator according to claim 22, characterized in that The door body comprises a door front wall, a door rear wall and two door side walls; the door front wall and the door rear wall are both parallel to the box front wall, and the door front wall is farther away from the box body than the door rear wall; the two door side walls are arranged opposite to each other and are both connected to the door front wall and the door rear wall; The door side wall close to the hinge assembly among the two door side walls is a first door side wall; when the door body is closed, the first door side wall intersects with the door front wall to form a first reference point; The angle between the door front wall and the box front wall is the door opening angle; the first door side wall intersects with the door front wall to form a first side edge; In the process of opening the door body, when the door opening angle does not reach the first preset door opening angle, it is the first door opening stage; when the door opening angle exceeds the first preset door opening angle but does not reach the second preset door opening angle which is greater than the first preset door opening angle, it is the second door opening stage; In the first door opening stage, the distance between the first reference point and the axis of the sixth hinge axis first increases and then decreases; in the second door opening stage, the distance between the first reference point and the axis of the sixth hinge axis gradually increases; so that the first side edge moves first toward the front and inner side of the refrigerator relative to the box body, and then moves toward the front and outer side of the refrigerator.

26. The refrigerator according to claim 25, characterized in that In the first door opening stage, the distance between the first reference point and the axis of the sixth hinge axis decreases by no more than 2 mm.

27. The refrigerator according to claim 22, characterized in that The door body comprises a door front wall, a door rear wall and two door side walls; the door front wall and the door rear wall are both parallel to the box front wall, and the door front wall is farther away from the box body than the door rear wall; the two door side walls are arranged opposite to each other and are both connected to the door front wall and the door rear wall; The door side wall close to the hinge assembly among the two door side walls is a first door side wall; when the door body is closed, the first door side wall intersects with the door front wall to form a first reference point; The angle between the door front wall and the box front wall is the door opening angle; the first door side wall intersects with the door front wall to form a first side edge; In the process of opening the door body, when the door opening angle does not reach the first preset door opening angle, it is the first door opening stage; when the door opening angle exceeds the first preset door opening angle but does not reach the second preset door opening angle which is greater than the first preset door opening angle, it is the second door opening stage; In the first door opening stage, the distance between the first reference point and the axis of the sixth hinge axis first remains unchanged at a first value, then decreases, and then gradually increases; in the second door opening stage, the distance between the first reference point and the axis of the sixth hinge axis gradually increases; so that the first side edge moves first toward the front and inner side of the refrigerator relative to the box body, and then moves toward the front and outer side of the refrigerator.

28. The refrigerator according to claim 27, characterized in that In the first door opening stage, the distance between the first reference point and the axis of the sixth hinge shaft decreases by less than 2 mm; or, the distance decreases by more than 5% of the first value and less than 10% of the first value.

29. The refrigerator according to claim 22, characterized in that The door body comprises a door front wall, a door rear wall and two door side walls; the door front wall and the door rear wall are both parallel to the box front wall, and the door front wall is farther away from the box body than the door rear wall; the two door side walls are arranged opposite to each other and are both connected to the door front wall and the door rear wall; The door side wall close to the hinge assembly among the two door side walls is a first door side wall; when the door body is closed, the first door side wall intersects with the door front wall to form a first reference point; The angle between the door front wall and the box front wall is the door opening angle; the first door side wall intersects with the door front wall to form a first side edge; In the process of opening the door body, when the door opening angle does not reach the first preset door opening angle, it is the first door opening stage; when the door opening angle exceeds the first preset door opening angle but does not reach the second preset door opening angle which is greater than the first preset door opening angle, it is the second door opening stage; In the first door opening stage, the distance between the first reference point and the axis of the sixth hinge axis remains unchanged at a second value; in the second door opening stage, the distance between the first reference point and the axis of the sixth hinge axis gradually increases; so that the first side edge moves first toward the front and inner side of the refrigerator relative to the box body, and then moves toward the front and outer side of the refrigerator.

30. The refrigerator according to claim 22, characterized in that The door body comprises a door front wall, a door rear wall and two door side walls; the door front wall and the door rear wall are both parallel to the box front wall, and the door front wall is farther away from the box body than the door rear wall; the two door side walls are arranged opposite to each other and are both connected to the door front wall and the door rear wall; The door side wall close to the hinge assembly among the two door side walls is a first door side wall; when the door body is closed, the first door side wall intersects with the door front wall to form a first reference point; The angle between the door front wall and the box front wall is the door opening angle; the first door side wall intersects with the door front wall to form a first side edge; In the process of opening the door body, when the door opening angle does not reach the first preset door opening angle, it is the first door opening stage; when the door opening angle exceeds the first preset door opening angle but does not reach the second preset door opening angle which is greater than the first preset door opening angle, it is the second door opening stage; In the first door opening stage, the distance between the first reference point and the axis of the sixth hinge axis fluctuates; in the second door opening stage, the distance between the first reference point and the axis of the sixth hinge axis gradually increases; so that the first side edge moves first toward the front and inner side of the refrigerator relative to the box body, and then moves toward the front and outer side of the refrigerator.

31. The refrigerator according to claim 30, characterized in that In the first door opening stage, the distance between the first reference point and the axis of the sixth hinge axis decreases by less than 2 mm.

32. The refrigerator according to any one of claims 21 to 31, characterized in that: The door body comprises a door front wall, a door rear wall and two door side walls; the door front wall and the door rear wall are parallel to the box front wall when the door body is closed, and the door front wall is farther away from the box body than the door rear wall; the two door side walls are arranged opposite to each other and are connected to the door front wall and the door rear wall; the angle between the door front wall and the box front wall is the door opening angle; When the door opening angle is 115°, a second angle is formed between a line connecting the axis of the second hinge shaft and the axis of the fifth hinge shaft and the front wall of the box, and the second angle is greater than or equal to 90°.

33. The refrigerator according to any one of claims 21 to 31, characterized in that: The door body comprises a door front wall, a door rear wall and two door side walls; the door front wall and the door rear wall are parallel to the box front wall when the door body is closed, and the door front wall is farther away from the box body than the door rear wall; the two door side walls are arranged opposite to each other and are connected to the door front wall and the door rear wall; the angle between the door front wall and the box front wall is the door opening angle; When the door opening angle is 115°, a third angle is formed between a line connecting the axis of the second hinge shaft and the axis of the fourth hinge shaft and the front wall of the box, and the third angle is greater than or equal to 85° and less than or equal to 90°.

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