Refrigerator

Abstract

The application provides a refrigerator, and belongs to the technical field of household appliances. The refrigerator comprises a cabinet, a door body, and a hinge assembly. The door body is rotationally connected with the cabinet through the hinge assembly to open or close the cabinet. The front surface of the door body is defined as a front wall, and the side surface of the door body close to the hinge assembly is defined as a side wall. The hinge assembly comprises a first shaft and a first groove matched with each other, and a second shaft and a second groove matched with each other, so that the door body can move inward by a distance during opening. When the door body is in a closed state, the first groove is a straight line groove with an extension direction perpendicular to the side wall. The second groove comprises a first guide groove section and a second guide groove section. The first guide groove section extends away from the front wall and away from the side wall or extends away from the front wall and close to the side wall. The second guide groove section extends from the end of the first guide groove section away from the front wall and close to the side wall. The hinge structure of the refrigerator makes the door body not exceed or excessively exceed the side surface of the cabinet when the door body is opened.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of household appliances, in particular to a refrigerator. BACKGROUND

[0002] In the related art, the hinge structure of the refrigerator door body is mostly single-axis type, which realizes the rotation of the door body around the hinge shaft through the cooperation of the hinge shaft and the shaft sleeve of the door body. In this type of hinge structure, the corner of the door body will exceed the side of the cabinet during the opening process.

[0003] For embedded refrigerators, the refrigerator is generally placed in a cabinet, and it is required that the corner of the door body does not excessively exceed the size of the cabinet during the opening process to 90°, otherwise the use of the refrigerator is limited. SUMMARY

[0004] The present application at least partly solves one of the problems in the related art.

[0005] Therefore, the present application aims to provide a refrigerator, the hinge structure of which makes the door body not or not excessively exceed the side of the cabinet when opened.

[0006] According to the refrigerator of the present application, the refrigerator comprises a cabinet, a door body connected with the cabinet through a hinge assembly to open or close the cabinet, the front surface of the door body is defined as a front wall, and the side surface of the door body close to the hinge assembly is defined as a side wall; wherein the hinge assembly comprises a first shaft and a first slot matched with each other, and a second shaft and a second slot matched with each other, so that the door body can move inward by a distance during the opening process; when the door body is in a closed state, the first slot is a straight slot with an extension direction perpendicular to the side wall, and the second slot comprises a first guide slot section and a second guide slot section, the first guide slot section extends away from the front wall and away from the side wall or extends away from the front wall and close to the side wall, and the second guide slot section extends from the end of the first guide slot section away from the front wall and close to the side wall.

[0007] In some embodiments of the refrigerator of the present application, the second slot further comprises a third guide slot section extending from the end of the second guide slot section close to the front wall and close to the side wall; when the door body is opened from the closed state to the maximum angle, the first shaft moves back and forth in the first slot, and the second shaft moves along the first guide slot section, the second guide slot section and the third guide slot section in turn.

[0008] In some embodiments of the refrigerator of the present application, the first slot is closer to the side wall than the starting end of the first guide slot section when the door body is in the closed state; when the first slot and the second slot are provided on the door body, the first guide slot section extends in a direction away from the front wall and away from the side wall, and during the process of opening the door body from the closed state to the first angle, the second shaft moves along the first guide slot section to cause the first shaft to move in a direction away from the side wall relative to the first slot; during the process of continuing to open the door body from the first angle to the second angle, the second shaft moves along the front part of the second guide slot section to cause the first shaft to move in a direction closer to the side wall relative to the first slot; wherein the second angle is less than 90°.

[0009] In some embodiments of the refrigerator of the present application, during the process of continuing to open the door body from the second angle to the third angle, the second shaft moves along the rear part of the second guide slot section to cause the first shaft to move in a direction away from the side wall relative to the first slot; during the process of continuing to open the door body from the third angle to the maximum angle, the second shaft moves along the third guide slot section to cause the first shaft to move in a direction away from the side wall relative to the first slot; wherein the third angle is greater than or equal to 90°.

[0010] In some embodiments of the refrigerator of the present application, the first slot is closer to the side wall than the starting end of the first guide slot section when the door body is in the closed state; a plane on the cabinet body close to the side surface of the hinge assembly is defined as a reference plane; when the first shaft and the second slot are provided on the door body, the first guide slot section extends in a direction away from the front wall and closer to the side wall, and during the process of opening the door body from the closed state to the first angle, the second shaft moves along the first guide slot section to cause the first shaft to move in a direction away from the reference plane relative to the first slot.

[0011] In some embodiments of the refrigerator of the present application, during the process of continuing to open the door body from the first angle to the second angle, the second shaft moves along the front part of the second guide slot section to cause the first shaft to move in a direction away from the reference plane relative to the first slot; wherein the second angle is less than 90°.

[0012] In some embodiments of the refrigerator of the present application, during the process of continuing to open the door body from the second angle to the third angle, the second shaft moves along the rear part of the second guide slot section to cause the first shaft to move in a direction closer to the reference plane relative to the first slot; during the process of continuing to open the door body from the third angle to the maximum angle, the second shaft moves along the third guide slot section to cause the first shaft to move in a direction away from the reference plane relative to the first slot; wherein the third angle is greater than or equal to 90°.

[0013] In some embodiments of the refrigerator of the present application, the movement trajectories of the second shaft in the first guide slot section and the second guide slot section are respectively a first guide trajectory line and a second guide trajectory line; the slope of the first guide trajectory line is greater than that of the second guide trajectory line, and the first guide trajectory line is shorter than the second guide trajectory line.

[0014] In some embodiments of the refrigerator according to the present application, the angle between the trajectory line of the movement of the second shaft relative to the second slot and the trajectory line of the movement of the first shaft relative to the first slot is > 45°.

[0015] In some embodiments of the refrigerator according to the present application, the second slot is a curved slot. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0017] Figure 1 is a perspective view of a refrigerator according to an embodiment of the present application;

[0018] Figure 2 is a top view of a refrigerator according to a first embodiment of the present application;

[0019] Figure 3 is Figure 2 is an enlarged view of A in FIG. 4;

[0020] Figure 4 is a schematic view of the relative positions of the first shaft and the second shaft of the refrigerator according to the first embodiment of the present application;

[0021] Figure 5 is a schematic view of the first slot and the second slot of the refrigerator according to the first embodiment of the present application;

[0022] Figure 6 is a partial view of the refrigerator according to the first embodiment of the present application, in which the door body is in an open first angle state;

[0023] Figure 7 is a partial view of the refrigerator according to the first embodiment of the present application, in which the door body is in an open second angle state;

[0024] Figure 8 is a partial view of the refrigerator according to the first embodiment of the present application, in which the door body is in an open 90° state;

[0025] Figure 9 is a partial view of the refrigerator according to the first embodiment of the present application, in which the door body is in an open third angle state;

[0026] Figure 10 is a partial view of the refrigerator according to the first embodiment of the present application, in which the door body is in an open maximum angle state;

[0027] Figure 11is a partial view of a door body of a refrigerator according to the first embodiment of the present application in a closed state;

[0028] Figure 12 is a partial view of a door body of a refrigerator according to the first embodiment of the present application in a first angle open state;

[0029] Figure 13 is a partial view of a door body of a refrigerator according to the first embodiment of the present application in a second angle open state;

[0030] Figure 14 is a partial view of a door body of a refrigerator according to the first embodiment of the present application in a state between the second angle and 90°;

[0031] Figure 15 is a partial view of a door body of a refrigerator according to the first embodiment of the present application in a 90° open state;

[0032] Figure 16 is a partial view of a door body of a refrigerator according to the first embodiment of the present application in a maximum angle open state;

[0033] Figure 17 is a partial enlarged view of a refrigerator according to the second embodiment of the present application at a hinge assembly;

[0034] Figure 18 is an exploded view of a refrigerator according to the second embodiment of the present application at a hinge assembly;

[0035] Figure 19 is a view of a hinge plate and a slider of a refrigerator according to the second embodiment of the present application;

[0036] Figure 20 is a partial enlarged view of a refrigerator according to the third embodiment of the present application at a hinge assembly;

[0037] Figure 21 is a partial top view of a refrigerator according to the third embodiment of the present application at a hinge assembly;

[0038] Figure 22 is a comparative view of a track groove in the first embodiment and the third embodiment of a refrigerator according to the embodiments of the present application;

[0039] Figure 23 is a partial view of a door body of a refrigerator according to the third embodiment of the present application in a first angle open state;

[0040] Figure 24 is a partial view of a door body of a refrigerator according to the third embodiment of the present application in a second angle open state;

[0041] Figure 25is a partial view of a door body of a refrigerator according to the third embodiment of the present application in an open third angle state;

[0042] Figure 26 is a partial view of a door body of a refrigerator according to the third embodiment of the present application in an open 90° state;

[0043] Figure 27 is a partial view of a door body of a refrigerator according to the third embodiment of the present application in an open maximum angle state;

[0044] Figure 28 is a partial top view of a refrigerator according to the fourth embodiment of the present application at a hinge assembly;

[0045] Figure 29 is a partial view of a door body of a refrigerator according to the fourth embodiment of the present application in an open first angle state;

[0046] Figure 30 is a partial view of a door body of a refrigerator according to the fourth embodiment of the present application in an open second angle state;

[0047] Figure 31 is a partial view of a door body of a refrigerator according to the fourth embodiment of the present application in an open 90° state;

[0048] Figure 32 is a partial view of a door body of a refrigerator according to the fourth embodiment of the present application in an open third angle state;

[0049] Figure 33 is a partial view of a door body of a refrigerator according to the fourth embodiment of the present application in an open maximum angle state;

[0050] Figure 34 is a partial view of a door body of a refrigerator according to the fourth embodiment of the present application in a closed state;

[0051] Figure 35 is a partial view of a door body of a refrigerator according to the fourth embodiment of the present application in an open first angle state;

[0052] Figure 36 is a partial view of a door body of a refrigerator according to the fourth embodiment of the present application in an open second angle state;

[0053] Figure 37 is a partial view of a door body of a refrigerator according to the fourth embodiment of the present application in an open maximum angle state;

[0054] Figure 38 is a view of a refrigerator according to an embodiment of the present application compared with a track groove in the related art. DETAILED DESCRIPTION

[0055] The present invention is described in detail below by way of exemplary embodiments, but it should be understood that elements, structures, and features of one embodiment may be beneficially combined in other embodiments without further description.

[0056] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0057] The terms "first," "second," etc., are used for descriptive purposes only and should not be understood to indicate or imply relative importance or to implicitly indicate the quantity of the technical features indicated. Thus, a feature specified as "first," "second," etc. may explicitly or implicitly include one or more of the features.

[0058] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediary, or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0059] Hereinafter, embodiments of the present application will be described in detail with reference to the accompanying drawings. In the accompanying drawings, the side of the refrigerator facing the user when in use is defined as the front side, and the side opposite thereto is defined as the rear side.

[0060] Reference Figure 1 and Figure 2 , a refrigerator 1 according to one embodiment of the present invention includes a body 10, a storage compartment formed inside the body 10, a cold air supply device generating cold air, and a door 20 opening and closing the storage compartment.

[0061] The housing 10 is generally rectangular and includes a housing and an outer shell. A storage compartment is formed inside the housing, and the outer shell is located outside the housing. Foam insulation material configured to insulate the storage compartment may be filled between the housing and the outer shell.

[0062] The storage compartment can be divided into an upper storage compartment and a lower storage compartment by a middle partition wall. The upper storage compartment can be used as a refrigerating compartment, and the lower storage compartment can be used as a freezing compartment. Alternatively, the upper storage compartment can be used as a freezing compartment, and the lower storage compartment can be used as a refrigerating compartment.

[0063] However, unlike the present embodiment, the refrigerator can be provided with a vacuum chamber, a variable temperature chamber, etc., and aspects of the present application can be similarly applied.

[0064] The storage compartment can be provided with an opening in a front surface thereof to store or take out foodstuffs. The opening can be opened or closed by the door body 20. The storage compartment can be opened or closed by a plurality of rotating door bodies 20. In other embodiments, the storage compartment can also be opened or closed by a drawer-type door body provided to be inserted into and pulled out of the storage compartment.

[0065] The cool air supply apparatus is provided to form cool air by circulating a cooling circuit, and can supply the generated cool air to the storage compartment. The cool air supply apparatus can include a cooling circuit apparatus having a compressor, a condenser, a capillary, and an evaporator assembly, a refrigerant pipe guiding a refrigerant into each of the cooling circuit apparatuses, and a fan (not shown) forcibly circulating air to supply cool air generated at the evaporator assembly to the storage compartment.

[0066] The door body 20 can be connected to the cabinet 10 by a hinge assembly 30. Generally, the hinge assembly 30 is provided at the left end or / and the right end of the cabinet 10.

[0067] For convenience of description, the side of the door body 20 closer to the hinge assembly 30 among the left and right sides thereof will be referred to as a side wall 21. For example, in the current example in which the hinge assembly 30 is located at the right side of the cabinet 10, the right side of the door body 20 is the side wall 21, and the left end of the door body 20 rotates about the right end thereof as a center of rotation. The front wall 22 of the door body 20 and the side wall 21 meet each other to form a corner 23.

[0068] In other embodiments, when the hinge assembly 30 is located at the left side of the cabinet 10, the left side of the door body 20 is the side wall 21, and the right end of the door body 20 rotates about the left end thereof as a center of rotation.

[0069] A plane in which the side of the cabinet 10 closer to the hinge assembly 30 at one end thereof is defined as a reference plane O, and the cabinet 10 is divided into an inner side and an outer side with the reference plane O as a boundary surface. For the hinge assembly 30 located at the right side of the door body 20, the inner side is the left side of the reference plane O, and for the hinge assembly 30 located at the left side of the door body 20, the inner side is the right side of the reference plane O.

[0070] When the hinge assembly 30 is a single-axis hinge, i.e. the door body 20 only rotates around one axis. Normally, when the door body 20 is in the closed state, the side wall 21 of the door body 20 is flush with the reference plane O, and when the door body 20 rotates around the single axis, the corner 23 will rotate to the outside of the reference plane O. If the refrigerator is embedded in the cabinet 100 for use, the corner 23 will be too much beyond the reference plane O, which will cause the corner 23 to interfere with the cabinet 100 and make the door body 20 unable to normally open.

[0071] Therefore, in order to enable the refrigerator to be embedded in the cabinet for use, it is required that the door body 20 can move inward during rotation, so that the corner 23 of the door body 20 will not be too much beyond the reference plane O during opening and closing.

[0072] According to the embodiment of the refrigerator of the present application, the hinge assembly 30 adopts a double-axis hinge form, and the requirement that the door body 20 can move inward during rotation is met by the combination of the trajectories of the two axes.

[0073] Specifically, referring to Figure 3 , the hinge assembly 30 comprises a first axis 41 and a first slot 50 cooperating with each other, and a second axis 42 and a second slot 60 cooperating with each other, and during the rotation of the door body 20 to open or close, the first axis 41 moves relative to the first slot 50, and the second axis 42 moves relative to the second slot 60.

[0074] Since the first slot 50 and the first axis 41 are in relative motion, and the second slot 60 and the second axis 42 are in relative motion, if the first slot 50 and the second slot 60 are taken as the stationary reference, it is equivalent to that the first axis 41 moves in the first slot 50, and the second axis 42 moves in the second slot 60. In order to facilitate the description, the first slot 50 and the second slot 60 are taken as the reference, and the first axis 41 and the second axis 41 move relative to the reference.

[0075] In the first embodiment of the present application, the first axis 41 and the second axis 42 are fixed relative to the cabinet 10, and the first slot 50 and the second slot 60 are located on the door body 20.

[0076] Specifically, the hinge assembly 30 comprises a hinge plate 40 fixedly connected to the cabinet 10, the rear end portion of the hinge plate 40 can be connected to the cabinet by screws, and the front end portion of the hinge plate 40 extends forward beyond the cabinet 10; the first axis 41 and the second axis 42 are arranged at the front end portion of the hinge plate 40 and extend vertically.

[0077] Referring to Figure 4, an example of the relative positions of the first axis 41 and the second axis 42 is shown in the figure: when the door body 20 is in the closed state, the first axis 41 is farther away from the front wall 22 and closer to the side wall 21 than the second axis 42. The thickness of the door body 20 can be between 44 mm and 53 mm. Those skilled in the art can understand that the position and size parameters of the first axis 41 and the second axis 42 shown in the figure can be adjusted within a certain range, and cannot be regarded as a limitation on the protection scope of the present application.

[0078] Referring to Figure 5 , the first slot 50 is located between the front end of the second slot 60 and the side wall 21. In the direction from inside to outside, the first slot 50 is a straight slot extending towards the side wall 21, and the extension direction of the straight slot is perpendicular to the side wall 21. The second slot 60 includes a first guide slot section 601 and a second guide slot section 602. The first guide slot section 601 extends away from the front wall 22 and away from the side wall 21. The second guide slot section 602 extends from the end of the first guide slot section 601 towards the front wall 22 and the side wall 21. When the door body 20 is opened from the closed state to 90°, the second axis 42 moves in the first guide slot section 601 and the second guide slot section 602.

[0079] In other embodiments, the first guide slot section 601 can also extend away from the front wall 22 and close to the side wall 21.

[0080] In order to take into account the normal use of the refrigerator (not put into the cabinet), that is, the door body 20 can be opened to a larger angle from 90°, the second slot 60 can include a third guide slot section 603. The third guide slot section 603 extends from the end of the second guide slot section 602 towards the front wall 22 and the side wall 21.

[0081] The structure of the hinge assembly 30 will be described in detail below in the process of opening the door body 20:

[0082] First stage

[0083] Referring to Figure 6 , the first slot 50 includes a first positioning position 51 and a second positioning position 52. The second positioning position 52 is farther away from the side wall 21 than the first positioning position 51. The second slot 60 includes a first guide position 61 and a second guide position 62. The second guide position 62 is farther away from the front wall 22 and the side wall 21 than the first guide position 61.

[0084] When the door body 20 is in the closed state, the first axis 41 is located at the first positioning position 51, and the second axis 42 is located at the first guide position 61. The first positioning position 51 is not at the end of the first slot 50, and the first guide position 61 can be located at the front end of the second slot 60.

[0085] When the door body 20 is in the first angle state Figure 6As shown in the state), the first shaft 41 is located at the second positioning position 52 and the second shaft 42 is located at the second guiding position 62.

[0086] Therefore, when the door body 20 is opened from the closed state to the first angle, the first shaft 41 moves from the first positioning position 51 to the second positioning position 52 relative to the first slot 50, and the second shaft 42 moves from the first guide position 61 to the second guide position 62 relative to the second slot 60.

[0087] Since the first shaft 41 moves from the first positioning position 51 to the second positioning position 52 in a direction away from the side wall 21 (inward), it is equivalent to the first groove 50 moving outward for the door body 20. Therefore, in the first stage of this embodiment, the door body 20 moves outward when it is just opened.

[0088] Combined with reference Figure 2 Normally, when the refrigerator is placed in the cabinet 100 for use, in order to prevent factors such as uneven ground and deformation of the cabinet, the cabinet is usually set with a certain gap α from the side of the refrigerator (reference plane O), α is about 5 mm.

[0089] In this embodiment, the distance between the first positioning position 51 and the second positioning position 52 is relatively small, that is, in the first stage, the door body 20 moves slightly outward. Because the corner edge 23 of the door body 20 extends very little beyond the reference plane O when the door body 20 is just opened, even if the door body 20 moves slightly outward, it will not interfere with the cabinet.

[0090] Specifically, when the door body 20 is in the first open angle state, the angle edge 23 extends beyond the reference plane O by a distance β1 <α.

[0091] In the present example, the motion trajectory of the second shaft 42 between the first guide position 61 and the second guide position 62 is a first guide trajectory 612. The first guide trajectory 612 is a spline curve extending away from the front wall 22 and away from the side wall 21 (the extension direction herein refers to the direction of motion of the shaft relative to the slot). In other embodiments, the first guide trajectory 612 may be a straight line segment.

[0092] It should be noted that the display of the motion trajectory in the drawings herein uses the center of the first axis 41 and the second axis 42 as a reference point.

[0093] In this stage, the door body 20 is set to move slightly outward, and the first guide trajectory line 612 extends away from the front wall 22 and the side wall 21. This can achieve that when the curvature of the first guide groove segment 601 and the second guide groove segment 602 changes, the transition point between the first guide groove segment 601 and the second guide groove segment 602 is relatively smooth (to be described below), thereby improving the smoothness of the movement of the door body 20.

[0094] In addition, the first guide track line 612 extends away from the front wall 22 and the side wall 21, which increases the angle between the first guide track line 612 and the movement track line of the first shaft 41, ensuring that the door body 20 does not shake during movement.

[0095] Specifically, the angle between the first guide trajectory 612 and the motion trajectory of the first shaft 41 is greater than 45°.

[0096] In the first stage, the door body 20 is opened to a first angle of about 7°.

[0097] In other embodiments, in the first stage, the second positioning position 52 can be set closer to the side wall 21 than the first positioning position 51, and the second guide position 62 can be set farther away from the front wall 22 and closer to the side wall 21 than the first guide position 51, that is, the first guide trajectory line 612 extends in a direction away from the front wall 22 and closer to the side wall 21, and the door body 20 moves a certain distance inward.

[0098] Phase II

[0099] Reference Figure 7 The first groove 50 also has a third positioning position 53, which is closer to the side wall 21 than the second positioning position 52 (and the first positioning position 51); the second groove 60 also has a third guide position 63, which is farther away from the front wall 22 and closer to the side wall 21 than the second guide position 62.

[0100] When the door body 20 is in the second open angle state ( Figure 7 When the first shaft 41 is in the third positioning position 53, the second shaft is in the third guiding position 63. The third positioning position 53 can be located at the end of the first slot 50 close to the side wall 21.

[0101] When the door body 20 continues to open from the first angle to the second angle, the first shaft 41 moves from the second positioning position 52 to the third positioning position 53 relative to the first slot 50, and the second shaft 42 moves from the second guide position 62 to the third guide position 63 relative to the second slot 60.

[0102] Since the first shaft 41 moves from the second positioning position 52 to the third positioning position 53 toward the side wall 21 (outward), the door body 20 is equivalent to driving the first slot 50 inward. Therefore, in the second stage of this embodiment, the door body 20 moves inward a certain distance while rotating, causing the corner edge 23 to move inward relative to the reference plane O, thereby preventing the corner edge 23 from colliding with the cabinet 100.

[0103] When the door body 20 is in the second angle opening state, the distance β2 between the corner edge 23 and the reference plane O is less than α. In other embodiments, the corner edge 23 can also be designed to move to the inside of the reference plane O, so that the door body 20 needs to move a larger distance to the inside in the second stage, which will affect the hand feeling and fluency of opening the door.

[0104] The movement trajectory line of the second shaft 42 between the second guide position 62 and the third guide position 63 is a second guide trajectory line 623. The second guide trajectory line 623 is generally a curved segment extending in a direction away from the front wall 22 and close to the side wall 21. In other embodiments, the second guide trajectory line 623 can also be a straight line.

[0105] In some embodiments of the present application, the distance of the lateral movement of the door body 20 per unit angle in the first stage is μ1, and the distance of the lateral movement of the door body 20 per unit angle in the second stage is μ2, μ1<μ2, that is, the lateral movement in the first stage when the door body 20 is just opened is relatively small, so that the lateral friction between the door seal of the back surface of the door body 20 and the front surface of the cabinet 10 caused by the large lateral movement per unit angle when the door body 20 is just opened can be avoided.

[0106] In addition, if the distance of the lateral movement per unit angle when the door body 20 is just opened is large, the hand feeling and fluency of opening the door will be affected, so the lateral movement distance of the door body 20 when it is just opened can be set to be small.

[0107] Specifically, the slope of the first guide trajectory line 612 can be greater than the slope of the second guide trajectory line 623 (the slopes described herein are absolute values). The greater the slope is set, the smaller the distance of the lateral movement per unit angle of the door body is.

[0108] The length of the first guide trajectory line 612 is less than that of the second guide trajectory line 623, so that the door body 20 rotates in the first stage so that the door seal does not contact the cabinet, and a large lateral displacement occurs in the second stage to avoid the cabinet.

[0109] If the door body 20 moves laterally to the inside in the first stage and the second stage, since the curvature of the movement trajectory line of the second shaft needs to change in the two stages, a sharp point can be generated at the connection between the first guide trajectory line 612 and the second guide trajectory line 623, which affects the hand feeling of opening the door, so the door body 20 is set to move laterally to the outside in the first stage, which can make the connection between the first guide trajectory line 612 and the second guide trajectory line 623 slightly smoother.

[0110] In some embodiments of the present application, the angle between the second guide trajectory line 623 and the motion trajectory line of the first axis 41 is greater than 45°, which can avoid the problem of shaking when the movement trends of the two axes are close to parallel, and ensure that the door body 20 does not shake during movement.

[0111] In the second stage, the second angle is approximately 45° to 50°.

[0112] Phase 3

[0113] Reference Figure 8 The first groove 50 also has a fourth positioning position 54, which is farther away from the side wall 21 than the third positioning position 53; the second groove 60 also has a fourth guide position 64, which is farther away from the front wall 22 than the third guide position 63 and closer to the side wall 21.

[0114] When the door body 20 is in the 90° open state ( Figure 8 As shown in the state), the first shaft 41 is located at the fourth positioning position 54 and the second shaft 42 is located at the fourth guiding position 64.

[0115] When the door body continues to open from the second angle to the 90° state, the first shaft 41 moves from the third positioning position 53 to the fourth positioning position 54 , and the second shaft 42 moves from the third guide position 63 to the fourth guide position 64 .

[0116] Since the first shaft 41 moves from the third positioning position 53 to the fourth positioning position 54 in a direction away from the side wall 21 (inward), the door body 20 drives the first slot 50 to move outward. Therefore, in the third stage, the door body 20 moves outward while rotating open.

[0117] The door 20 has passed the dangerous period of interfering with the cabinet in the second stage, so even if the door 20 moves outward during this stage, it will not touch the cabinet. In addition, moving outward can reduce the obstruction of the storage compartment by the door 20, thereby avoiding the door 20 restricting the withdrawal of the drawer in the storage compartment.

[0118] The motion trajectory of the second shaft 42 between the third guide position 63 and the fourth guide position 64 is a third guide trajectory 634. The third guide trajectory 634 is generally a curved segment extending away from the front wall 22 and toward the side wall 21. In other embodiments, the third guide trajectory 634 may also be a straight line.

[0119] In some embodiments, when the door body 20 is in the 90° open state, the front wall 22 can be flush with the reference plane O, which can minimize the space occupied by the door body 20 in front of the storage compartment, thereby avoiding the impact of the door body 20 on the extraction of drawers in the storage compartment.

[0120] In other embodiments, when the door body 20 is in the open 90° state, the door body 20 as a whole is located on the inner side of the reference plane O, that is, there is a gap between the front wall 22 of the door body 20 and the reference plane O. In this way, even if the door body 20 continues to open to a certain angle from 90°, it will not interfere with the cabinet, so that the refrigerator of the present application can be opened >90° when embedded in the cabinet for use.

[0121] Stage 4

[0122] Reference Figure 9 The first groove 50 also has a fifth positioning position 55, which is farther away from the side wall 21 than the fourth positioning position 54; the second groove 60 also has a fifth guide position 65, which is farther away from the front wall 22 than the fourth guide position 64 and closer to the side wall 21.

[0123] When the door body 20 is in the third open angle state ( Figure 9 As shown in the state), the first shaft 41 is located at the fifth positioning position 55 and the second shaft 42 is located at the fifth guiding position 65.

[0124] When the door body continues to open from 90° to the third angle state, the first shaft 41 moves from the fourth positioning position 54 to the fifth positioning position 55, the second shaft 42 moves from the fourth guide position 64 to the fifth guide position 65, and the door body 20 moves to the upper left.

[0125] The motion trajectory of the second shaft 42 between the fourth guide position 64 and the fifth guide position 65 is a fourth guide trajectory 645. The fourth guide trajectory 645 is generally a curved segment extending away from the front wall 22 and toward the side wall 21. In other embodiments, the fourth guide trajectory 645 may also be a straight line.

[0126] In some embodiments of the present application, the angle between the fourth guide trajectory line 645 and the motion trajectory line of the first axis 41 is greater than 45°, which can avoid the problem of shaking when the movement of the two axes is close to parallel, and ensure that the door body 20 does not shake during the movement.

[0127] The third angle may be the maximum angle to which the door 20 can be opened when the refrigerator is embedded in a cabinet.

[0128] Stage 5

[0129] Reference Figure 10 The first slot 50 further includes a sixth positioning position 56 , which is further away from the side wall 21 than the fifth positioning position 55 ; the second slot 60 further includes a sixth guide position 66 , which is closer to the front wall 22 and the side wall 21 than the fifth guide position 65 .

[0130] When the door body 20 is at the maximum opening angle (Figure 10 When the door body 20 is in the third angle and continues to open to the maximum angle, the first shaft 41 moves from the fifth positioning position 55 to the sixth positioning position 56, the second shaft 42 moves from the fifth guiding position 65 to the sixth guiding position 66, and the door body 20 moves to the left and up.

[0131] When the door body 20 is in the third angle and continues to open to the maximum angle, the first shaft 41 moves from the fifth positioning position 55 to the sixth positioning position 56, the second shaft 42 moves from the fifth guiding position 65 to the sixth guiding position 66, and the door body 20 moves to the left and up.

[0132] The movement trajectory line of the second shaft 42 between the fifth guiding position 65 and the sixth guiding position 66 is a fifth guiding trajectory line 656. The fifth guiding trajectory line 656 is generally a curved segment extending in a direction close to the front wall 22 and close to the side wall 21. In other embodiments, the fifth guiding trajectory line 656 can also be a straight line.

[0133] In some embodiments of the present application, the angle between the fifth guiding trajectory line 656 and the movement trajectory line of the first shaft 41 is > 45°, which can avoid the problem of shaking when the movements of the two shafts are close to parallel, and ensure that the door body 20 does not shake during movement.

[0134] In the embodiments of the present application, the door body 20 rotates around a variable point during opening, and the trajectory of the variable point is (X=(X1+X2) / 2, Y=(Y1+Y2) / 2); wherein X represents the distance of the variable point from the side wall of the door body; Y represents the distance of the variable point from the front wall of the door body. The movement trajectory of the variable point can be calculated by the following formula:

[0135] Referring to Figure 11 When the door body is in the closed state, the distance of the center axis P of the first shaft from the front wall of the door body is a, the distance of the center axis P of the first shaft from the side wall of the door body is b, the distance PQ between the center axes of the first shaft and the second shaft is L, the angle formed by the PQ connecting line and the front wall of the door body is n, and the angle formed by the connecting line between the rightmost center axis O of the first slot and the corner of the door body and the front wall of the door body is γ.

[0136] Referring to Figure 12 ① When the rotation angle of the door body is m, 0≤m≤n:

[0137] The distance of the center axis P of the first shaft from the side wall is X1, X1=b / COSm;

[0138] The distance of the center axis P of the first shaft from the front wall is Y1, Y1=a;

[0139] The distance of the center axis Q of the second shaft from the side wall is X2, X2=b / COSm+L*COS(n-m);

[0140] The center axis Q of the second axis is Y2 away from the front wall, Y2=a-L*SIN(n-m).

[0141] Referring to Figure 13 , 2. When the rotation angle of the door body is m, n≤m≤γ:

[0142] The center axis P of the first axis is X1 away from the side wall, X1=b*COSm;

[0143] The center axis P of the first axis is Y1 away from the front wall, Y1=a;

[0144] The center axis Q of the second axis is X2 away from the side wall, X2=b*COSm+L*COS(m-n);

[0145] The center axis Q of the second axis is Y2 away from the front wall, Y2=a+L*SIN(m-n).

[0146] Referring to Figure 14 , 3. When the rotation angle of the door body is m, γ≤m≤90°,

[0147] The center axis P of the first axis is X1 away from the side wall, X1=b*COSγ / COS(m-γ);

[0148] The center axis P of the first axis is Y1 away from the front wall, Y1=a;

[0149] The center axis Q of the second axis is X2 away from the side wall, X2=b*COSγ / COS(m-γ)+L*COS(m-n);

[0150] The center axis Q of the second axis is Y2 away from the front wall, Y2=a+L*SIN(m-n).

[0151] Referring to Figure 15 , when the rotation angle of the door body is m, m=90°,

[0152] The center axis P of the first axis is X1 away from the side wall, X1=b*tan(m-γ);

[0153] The center axis P of the first axis is Y1 away from the front wall, Y1=a;

[0154] The center axis Q of the second axis is X2 away from the side wall, X2=b*tan(m-γ)+L*SINn;

[0155] The center axis Q of the second axis is Y2 away from the front wall, Y2=a+L*COSn.

[0156] Referring to Figure 16 , when the rotation angle of the door body is m, 90°≤m,

[0157] The distance between the central axis P of the first shaft and the side wall is X1, X1 = b*tan(m-γ) / cos(m-90°);

[0158] The distance between the central axis P of the first shaft and the front wall is Y1, Y1 = a;

[0159] The distance between the central axis Q of the second shaft and the side wall is X2,

[0160] X2 = b*tan(m-γ) / cos(m-90°)-L*SIN(m-n-90°);

[0161] The distance between the central axis Q of the second shaft and the front wall is Y2, Y2 = a+L*COS(m-n-90°).

[0162] According to some embodiments of the present application, referring to Figure 17 to Figure 19 A receiving groove 24 is arranged on the door body 20 at a position corresponding to the hinge assembly 30, and the front end of the hinge plate 40 extends into the receiving groove 24.

[0163] The first groove 50 and the second groove 60 on the door body 20 are arranged on the mounting block 60, and the mounting block 60 is assembled in the mounting groove at the groove bottom of the receiving groove 24. The mounting block 60 can be made of POM material, which has good wear resistance.

[0164] In the second embodiment of the present application, a sliding block 410 is arranged between the first shaft 41 and the first groove 50. The sliding block 410 is sleeved on the first shaft 41, and the sliding block 410 is inserted into the first groove 50 to be connected in sliding with the first groove 50. During the opening and closing of the door body 20, the door body 20 rotates to drive the first groove 50 and the sliding block 410 to rotate relative to the first shaft 41, and the transverse movement of the door body 20 causes the first groove 50 to move relative to the sliding block 410.

[0165] In this embodiment, the sliding block 410 is arranged between the first shaft 41 and the first groove 50, so that the line contact between the first shaft 41 and the first groove 50 is changed to the surface contact between the sliding block 410 and the first groove 50.

[0166] During the opening and closing of the door body 20, the cooperation between the first shaft 41 and the first groove 50 mainly plays a positioning role for the door body 20. After a long time of use, the first shaft 41 and the first groove 50 will inevitably be worn. If the first shaft 41 and the first groove 50 are in direct line contact, slight wear will cause the cooperation gap between the first shaft 41 and the first groove 50 to increase, the positioning to be unstable, and the door body to shake. In this embodiment, the cooperation between the first shaft 41 and the first groove 50 is changed to surface contact through the sliding block 410, which can increase the relative movement balance of the first shaft 41 and the first groove 50, and the first shaft 41 and the first groove 50 are not easy to wear after a long time of use.

[0167] Specifically, the sliding block 410 comprises a first plane 411 and a second plane 412 which are opposite and parallel. The first plane 411 and the second plane 412 are parallel to the extension direction of the first slot 50, and the side wall of the first slot 50 contacts the first plane 411 and the second plane 412 when the door body 20 moves laterally.

[0168] The sliding block 410 can be provided in a square column shape, wherein the first plane 411 and the second plane 412 are parallel to the extension direction of the first slot 50. In other embodiments, the cross section of the sliding block 410 can be in a waist shape, i.e. the first plane 411 and the second plane 412 are connected by a circular arc surface.

[0169] In a third embodiment of the present application, referring to Figure 20 to Figure 27 , the first slot 50 and the second slot 60 can be directly provided on the door body 20, i.e. the first slot 50 and the second slot 60 are integrally formed with the door body 20, and the structure of the mounting block 25 is omitted.

[0170] In the present embodiment, the first slot 50 and the second slot 60 are directly provided on the door body 20, and no installation space is reserved for the mounting block 25, so that the front ends of the first slot 50 and the second slot 60 can be relatively close to the front wall of the door body 20, and the first slot 50 and the second slot 60 can be moved forward as a whole on the door body 20, thereby reducing the thickness space of the door body occupied by the slot structure, so that the door body can be relatively thin.

[0171] In addition, referring to Figure 22 , the dotted line represents the position of the double slots when provided on the mounting block, and the solid line represents the position of the double slots moved forward in the present embodiment. Due to the forward movement of the double slots, the distance from the slots to the corner edge 23 is reduced, and the distance from the corner edge 23 to the reference plane when the door body rotates is also relatively small, i.e. X2 < X1 in the figure. In this way, the double slot structure in the present embodiment can reduce the risk of the door body touching the cabinet; and the lateral movement distance of the door body can be reduced, thereby ensuring the smoothness of the opening and closing of the door body.

[0172] Referring to Figure 23 , when the door body 20 is opened from the closed state to the first angle, the door body 20 drives the first shaft 41 to move from the first positioning position 51 to the second positioning position 52 relative to the first slot 50, and the second shaft moves from the first guiding position 61 to the second guiding position 62 relative to the second slot 60, wherein the second positioning position 52 is closer to the side wall 21 than the first positioning position 51, and the second guiding position 62 is farther away from the front wall 22 and closer to the side wall 21 than the first guiding position 61.

[0173] Since the first shaft 41 moves from the first positioning position 51 to the second positioning position 52 in the direction of approaching the side wall 21 (the outer side), the door body 20 moves inward while rotating.

[0174] In other embodiments, the setting of this phase can be the same as the first embodiment, i.e., the second positioning position 52 is farther away from the side wall 21 than the first positioning position 51, and the second guiding position 62 is farther away from the front wall 22 and farther away from the side wall 21 than the first guiding position 61, and the door body 20 moves outwardly while rotating.

[0175] Referring to Figure 24 When the door body 20 is continuously opened from the first angle to a second angle, the door body 20 drives the first shaft 41 to move from the second positioning position 52 to a third positioning position 53 relative to the first slot 50, and the second shaft 42 moves from the second guiding position 62 to a third guiding position 63 relative to the second slot 60, wherein the third positioning position 53 is closer to the side wall 21 than the second positioning position 52, and the third guiding position 63 is farther away from the front wall 22 and closer to the side wall 21 than the second guiding position 62, and the door body 20 moves inwardly while rotating.

[0176] The distance of the lateral movement of the door body 20 per unit angle of rotation during the process of opening from the closed state to the first angle is μ1, and the distance of the lateral movement of the door body 20 per unit angle of rotation during the process of opening from the first angle to the second angle is μ2, μ1<μ2, so that the lateral movement of the door body 20 is relatively small when it is just opened, avoiding the friction of the door seal with the cabinet and affecting the opening feeling.

[0177] Specifically, the trajectory line of the second shaft 42 relative to the second slot 60 between the first guiding position 61 and the second guiding position 62 is a first guiding trajectory line 612, and the trajectory line of the second shaft 42 relative to the second slot 60 between the second guiding position 62 and the third guiding position 63 is a second guiding trajectory line 623. The slope of the first guiding trajectory line 612 is greater than that of the second guiding trajectory line 623, so that the lateral movement distance of the door body 20 is relatively small.

[0178] Referring to Figure 25 When the door body 20 is continuously opened from the second angle to a third angle, the third angle in this embodiment is less than 90°, the door body 20 drives the first shaft 41 to move from the third positioning position 53 to a fourth positioning position 54 relative to the first slot 50, and the second shaft 42 moves from the third guiding position 63 to a fourth guiding position 64 relative to the second slot 60, wherein the fourth positioning position 54 is farther away from the side wall 21 than the third positioning position 53, and the fourth guiding position 64 is farther away from the front wall 22 and closer to the side wall 21 than the third guiding position 63, and the door body 20 moves outwardly while rotating.

[0179] Referring to Figure 26When the door body 20 is continuously opened from the third angle to 90°, the door body 20 drives the first shaft 41 to move from the fourth positioning position 54 to a fifth positioning position 55 relative to the first slot 50, and the second shaft 42 moves from the fourth guiding position 64 to a fifth guiding position 65 relative to the second slot 60, wherein the fifth positioning position 55 is farther away from the side wall 21 than the fourth positioning position 54, and the fifth guiding position 65 is closer to the front wall 22 and closer to the side wall 21 than the fourth guiding position 64, and the door body 20 moves outward while rotating.

[0180] Referring to Figure 27 When the door body 20 is continuously opened from 90° to the maximum angle, the door body 20 drives the first shaft 41 to move from the fifth positioning position 55 to a sixth positioning position 56 relative to the first slot 50, and the second shaft 42 moves from the fifth guiding position 65 to a sixth guiding position 66 relative to the second slot 60, wherein the sixth positioning position 55 is farther away from the side wall 21 than the fifth positioning position 54, and the sixth guiding position 66 is closer to the front wall 22 and closer to the side wall 21 than the fifth guiding position 65.

[0181] In a fourth embodiment of the present application, referring to Figure 28 to Figure 33 Different from the above embodiments, the first slot 50 is arranged on the hinge plate 40, and the first shaft 41 is arranged on the door body 20.

[0182] Since the first slot 50 is arranged on the hinge plate 40 and the second slot 60 is arranged on the door body 20, the first slot 50 and the second slot 60 can intersect on the projection of the top surface of the door body 20, so that the double-slot structure is more compact, and thus the door body 20 can be made thinner.

[0183] Specifically, referring to Figure 28 The first slot 50 with an opening facing outward can be arranged on the hinge plate 40, and the first shaft 41 extending vertically can be arranged on the door body 20, the first shaft 41 is adapted to the first slot 50, and one end of the first slot 50 with an opening can facilitate the installation of the hinge assembly. In other embodiments, both ends of the first slot 50 can be closed.

[0184] Referring to Figure 29 When the door body 20 is opened from the closed state to the first angle, the door body 20 drives the first shaft 41 to move from the first positioning position 51 to a second positioning position 52 relative to the first slot 50, and the second shaft moves from the first guiding position 61 to a second guiding position 62 relative to the second slot 60, wherein the second positioning position 52 is farther away from the reference plane O than the first positioning position 51, and the second guiding position 62 is farther away from the front wall 22 and closer to the side wall 21 than the first guiding position 61.

[0185] Since the first shaft 41 moves from the first positioning position 51 to the second positioning position 52 in a direction away from the reference plane O (the inner side), the door body 20 moves inward while rotating.

[0186] In other embodiments, the settings of this phase can be similar to the first embodiment, i.e. the second positioning position 52 is closer to the reference plane O than the first positioning position 51, and the second guiding position 62 is further away from the front wall 22 and further away from the side wall 21 than the first guiding position 61, and the door body 20 moves outwardly while rotating.

[0187] Referring to Figure 30 When the door body 20 is continuously opened from the second angle to 90°, the door body 20 drives the first shaft 41 to move relative to the first slot 50 from the third positioning position 53 to a fourth positioning position 54, and the second shaft 42 moves relative to the second slot 60 from the third guiding position 63 to a fourth guiding position 64, wherein the fourth positioning position 54 is closer to the reference plane O than the third positioning position 53, and the fourth guiding position 64 is further away from the front wall 22 and closer to the side wall 21 than the third guiding position 63, and the door body 20 moves outwardly while rotating.

[0188] Referring to Figure 31 When the door body 20 is continuously opened from the second angle to 90°, the door body 20 drives the first shaft 41 to move relative to the first slot 50 from the third positioning position 53 to a fourth positioning position 54, and the second shaft 42 moves relative to the second slot 60 from the third guiding position 63 to a fourth guiding position 64, wherein the fourth positioning position 54 is closer to the reference plane O than the third positioning position 53, and the fourth guiding position 64 is further away from the front wall 22 and closer to the side wall 21 than the third guiding position 63, and the door body 20 moves outwardly while rotating.

[0189] Referring to Figure 32 When the door body 20 is continuously opened from the second angle to 90°, the door body 20 drives the first shaft 41 to move relative to the first slot 50 from the third positioning position 53 to a fourth positioning position 54, and the second shaft 42 moves relative to the second slot 60 from the third guiding position 63 to a fourth guiding position 64, wherein the fourth positioning position 54 is closer to the reference plane O than the third positioning position 53, and the fourth guiding position 64 is further away from the front wall 22 and closer to the side wall 21 than the third guiding position 63, and the door body 20 moves outwardly while rotating.

[0190] Referring to Figure 33 When the door body 20 is continuously opened from the second angle to 90°, the door body 20 drives the first shaft 41 to move relative to the first slot 50 from the third positioning position 53 to a fourth positioning position 54, and the second shaft 42 moves relative to the second slot 60 from the third guiding position 63 to a fourth guiding position 64, wherein the fourth positioning position 54 is closer to the reference plane O than the third positioning position 53, and the fourth guiding position 64 is further away from the front wall 22 and closer to the side wall 21 than the third guiding position 63, and the door body 20 moves outwardly while rotating.

[0191] In the above movement, since the first slot 50 is arranged on the hinge plate 40, its position is always kept unchanged, so that the movement trend of the first shaft 51 is always horizontal, and the movement trend of the second shaft 52 relative to the second slot 60 generally has a vertical component, thus increasing the included angle between the movement track of the first shaft 51 in the first slot 50 and the movement track of the second shaft 52 in the second slot 60, and ensuring that the door body 20 does not shake during opening and closing.

[0192] For example, referring to Figure 8 , the movement track of the first shaft 41 tends to be vertical, and the included angle between the third guide track line 634 of the second shaft 42 and the first shaft 41 is not Figure 31 , the included angle between the two track lines is large.

[0193] Therefore, in the current embodiment, the movement of the door body 20 is more stable.

[0194] In the embodiment of the present application, the door body 20 rotates around a variable point during opening, and the variable point has a trace, and the trace is (X=(X1+X2) / 2, Y=(Y1+Y2) / 2); wherein X represents the distance of the variable point from the side wall of the door body; Y represents the distance of the variable point from the front wall of the door body. The movement track of the variable point can be calculated by the following formula:

[0195] For example, referring to Figure 34 , when the door body is in a closed state, the distance of the center axis P of the first shaft from the front wall of the door body is a, the distance of the center axis P of the first shaft from the side wall of the door body is b, the distance PQ between the center axes of the first shaft and the second shaft is L, and the included angle between the line connecting the center axes PQ of the first shaft and the second shaft and the front wall of the door body is n.

[0196] For example, referring to Figure 35 , ① when the rotation angle of the door body is m, 0≤m≤n:

[0197] The distance of the center axis P of the first shaft from the side wall is X1, X1=b;

[0198] The distance of the center axis P of the first shaft from the front wall is Y1, Y1=a;

[0199] The distance of the center axis Q of the second shaft from the side wall is X2, X2=b+L*COS(n-m);

[0200] The distance of the center axis Q of the second shaft from the front wall is Y2, Y2=a-L*SIN(n-m).

[0201] For example, referring to Figure 36 , ② when the rotation angle of the door body is m, n≤m≤90°+n:

[0202] The distance of the center axis P of the first shaft from the side wall is X1, X1=b;

[0203] The center axis P of the first shaft is Y1 away from the front wall, Y1=a;

[0204] The center axis Q of the second shaft is X2 away from the side wall, X2=b+L*COS(m-n);

[0205] The center axis Q of the second shaft is Y2 away from the front wall, Y2=a-L*SIN(m-n).

[0206] Referring to Figure 37 , ③ when the rotation angle of the door body is m, 90°+n≤m

[0207] The center axis P of the first shaft is X1 away from the side wall, X1=b;

[0208] The center axis P of the first shaft is Y1 away from the front wall, Y1=a;

[0209] The center axis Q of the second shaft is X2 away from the side wall, X2=b-L*COS(180°-m+n);

[0210] The center axis Q of the second shaft is Y2 away from the front wall, Y2=a+L*SIN(180°-m+n).

[0211] In the hinge assembly 30 described above, the first slot 50 is a horizontal slot whose extension direction is perpendicular to the side wall 21 when the door body is in the closed state. In this way, the horizontal slot occupies less space in the front-rear direction of the door body 20, so that the size of the track slot in the front-rear direction is more compact, and the thickness of the door body 20 can be made thinner. If the door body 20 is thicker, when the door body 20 is opened to 90°, the inner side of the door body 20 will occupy more space in front of the storage compartment, thereby affecting the extraction of the drawer and the like in the storage compartment. Therefore, the design form of the horizontal slot in the present application can reduce the thickness of the door body 20, so that the door body 20 does not interfere with the extraction of the drawer and the like in the storage compartment even if it moves more distance inward.

[0212] The design form of the horizontal slot of the first slot 50 in the present application makes the first slot 50 closer to the front wall 22 of the door body 20, and the first shaft 41 moves back and forth in the first slot 50. In this way, the first slot 50 can be set shorter, so that the distance between the corner edge 23 of the track slot structure in the present application and the reference plane O is smaller when the door body 20 rotates than when the first slot is an inclined slot in the related art (XY in the present application). Figure 38

[0213] ​Furthermore, the inward displacement of the door body 20 is essentially a horizontal displacement of the first shaft 41. In related art, the first slot is in the form of an oblique slot. When the door body opens and moves inward, the horizontal displacement of the first shaft relative to the oblique slot is the inward movement distance of the door body. In the present application, however, the first shaft 41 moves horizontally, and its actual displacement is the inward movement distance. Therefore, when the first shaft undergoes the same displacement relative to the first slot, the inward movement distance of the door body 20 in the present application is greater, improving the inward movement efficiency of the door body 20.

[0214] Furthermore, in related technologies, the dual axes require more actual displacement to achieve the inward movement effect of this application. The longer the actual displacement, the more severe the wear from the contact movement. The dual axes and dual slots require high precision, and the gaps caused by wear can cause the upper and lower axes of the door to be out of alignment, leading to problems such as the door jamming and shaking. However, in this application, the actual displacement of the dual axes during movement is smaller, which can effectively reduce wear and increase the service life of the dual slots.

[0215] In the related art, the door body 20 undergoes in-situ rotational motion around the first axis during the opening process. Therefore, before or after the door body rotates in-situ around the first axis, the door body undergoes horizontal displacement. The door body switches from rotational offset motion to rotational motion only, and there is an obvious change in force, which makes the motion prone to jamming.

[0216] Moreover, since the double axes and double slots are not always in motion when the door is opened, there is a moment before or after the rotational movement around one axis, and at least one axis stops or starts moving. At this time, the axis that stops moving or the axis that starts moving will generate acceleration, which will apply force to the slot and cause wear of the slot. The discontinuous motion state will cause a poor feel when opening and closing the door.

[0217] In the present application, however, during the opening process of the door body 20, the first shaft 41 and the second shaft 42 are constantly in motion. That is, the position of the first shaft 41 relative to the first slot 50 and the position of the second shaft 42 relative to the second slot 60 are constantly changing, eliminating sudden force changes and allowing for smoother movement. Furthermore, the dual-axis motion of the present application eliminates sudden changes in motion state and produces no acceleration changes. Therefore, compared to related art, the first slot 50 and the second slot 60 are less susceptible to wear.

[0218] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A refrigerator, characterized in that: include: Box; The door body is rotatably connected to the box body through a hinge assembly to open or close the box body. The front surface of the door body is defined as the front wall, and the side of the door body close to the hinge assembly is defined as the side wall; Wherein, the hinge assembly includes a first shaft and a first slot that cooperate with each other, and a second shaft and a second slot that cooperate with each other; When the door body is in a closed state, the first groove is a straight groove extending in a direction perpendicular to the side wall, and the second groove includes a first guide groove section and a second guide groove section, the first guide groove section extends in a direction away from the front wall and away from the side wall or in a direction away from the front wall and close to the side wall, and the second guide groove section extends from the end of the first guide groove section in a direction away from the front wall and close to the side wall; When the door body is in a closed state, the first groove is closer to the side wall than the starting end of the first guide groove section; When the door body is opened from a closed state to a first angle, the second shaft moves along the first guide groove section, and the first shaft moves in the first groove; During the process of the door body continuing to open from the first angle to the second angle, the second shaft moves along the front portion of the second guide groove segment, and the first shaft moves in the first groove, so that the door body can move inward a distance during the opening process; wherein the second angle is less than 90°; When the door body continues to open from the second angle to the third angle, the second shaft moves along the rear portion of the second guide groove section, and the first shaft moves in the first groove; wherein the third angle is ≥90°; In the process of opening from a closed state to a first angle, the distance that the door body rotates per unit angle horizontally is μ1, and the movement trajectory of the second axis in the first guide groove section is the first guide trajectory line; in the process of continuing to open from the first angle to a second angle, the distance that the door body rotates per unit angle horizontally is μ2, and the movement trajectory of the second axis in the second guide groove section is the second guide trajectory line; μ1<μ2, the first guide trajectory line is shorter than the second guide trajectory line.

2. The refrigerator according to claim 1, wherein: The second groove further includes a third guide groove segment extending from the end of the second guide groove segment toward the front wall and the side wall; When the door body is opened from a closed state to a maximum angle, the first shaft moves back and forth in the first groove, and the second shaft moves along the first guide groove section, the second guide groove section and the third guide groove section in sequence.

3. The refrigerator according to claim 2, characterized in that When the first groove and the second groove are provided on the door body, the first guide groove section extends in a direction away from the front wall and away from the side wall, and when the door body is opened from a closed state to a first angle, the second shaft moves along the first guide groove section to cause the first shaft to move relative to the first groove in a direction away from the side wall; When the door body continues to open from the first angle to the second angle, the second shaft moves along the front portion of the second guide groove section to cause the first shaft to move relative to the first groove toward the side wall.

4. The refrigerator according to claim 3, characterized in that During the process of the door body continuing to open from the second angle to the third angle, the second axis moves along the rear part of the second guide groove section, prompting the first axis to move relative to the first groove in the direction away from the side wall; during the process of the door body continuing to open from the third angle to the maximum angle, the second axis moves along the third guide groove section, prompting the first axis to move relative to the first groove in the direction away from the side wall.

5. The refrigerator according to claim 2, characterized in that defining a plane on the side of the box body close to the hinge assembly as a reference plane; When the first axis and the second groove are arranged on the door body, the first guide groove section extends in a direction away from the front wall and close to the side wall. During the process of the door body being opened from a closed state to a first angle, the second axis moves along the first guide groove section to cause the first axis to move relative to the first groove in a direction away from the reference plane.

6. The refrigerator according to claim 5, characterized in that During the process of the door body continuing to open from the first angle to the second angle, the second shaft moves along the front part of the second guide groove segment to cause the first shaft to move relative to the first groove in a direction away from the reference plane.

7. The refrigerator according to claim 6, characterized in that When the door body continues to open from the second angle to the third angle, the second axis moves along the rear part of the second guide groove section, causing the first axis to move relative to the first groove toward the direction closer to the reference plane; in the process of the door body continuing to open from the third angle to the maximum angle, the second axis moves along the third guide groove section, causing the first axis to move relative to the first groove toward the direction away from the reference plane.

8. The refrigerator according to claim 1, wherein An absolute value of the slope of the first guide trajectory is greater than that of the second guide trajectory.

9. The refrigerator according to claim 1, wherein An included angle between a motion trajectory line of the second axis relative to the second groove and a motion trajectory line of the first axis relative to the first groove is greater than 45°.

10. The refrigerator according to claim 1, wherein The second groove is a curved groove.

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