Hinge assembly and refrigeration equipment

Abstract

The invention discloses a hinge assembly and refrigeration equipment. The hinge assembly comprises a movable shaft and a groove body, the movable shaft is provided with a shaft body in sliding fit with the groove body. The hinge assembly further comprises a limiting part for limiting the shaft body to rotate in the groove body in the circumferential direction. The groove body comprises a first track groove and a second track groove; the shaft body sequentially moves in the first track groove and the second track groove; the limiting part comprises a first limiting part and a second limiting part which are arranged on the shaft body; when the shaft body slides along the first track groove, the first limiting part is used for abutting against the inner wall of the first track groove to limit circumferential rotation of the shaft body in the first track groove. When the shaft body moves in the second track groove, the second limiting part is used for abutting against the inner wall of the second track groove so as to limit circumferential rotation of the shaft body in the second track groove. According to the hinge assembly, the different limiting parts are arranged on the shaft body so that circumferential rotation of the shaft body can be limited when the shaft body slides in the different grooves, and the hinge assembly can be arranged more compactly.

Description

Technical Field

[0001] The present invention relates to the technical field of household appliances, and in particular to a hinge assembly and a refrigeration device. Background Art

[0002] Embedded electrical appliances can be integrated with the external environment and are becoming more and more popular. Embedded refrigeration equipment, such as embedded refrigerators, generally includes a box body and a door body that rotates on the box body. A storage space is provided in the box body, and the door body is used to open or close the storage space. In order to make the door body more beautiful after closing, the distance between the embedded refrigeration equipment and the external environment is made as small as possible after the door body is closed, but such a structural setting will affect the opening of the door body. In order to solve the above technical problems, a hinge assembly with a dual-axis structure is used in the prior art, that is, while the door body rotates along the main axis during opening, there is also a secondary axis to guide the door body to control the movement of the door body, so that the movement of the door body can be controlled during the opening process to avoid interference from external environmental parts.

[0003] The hinge components in the prior art are mostly biaxial, with a relatively complex structure and a complicated motion trajectory, which is not convenient for application. Summary of the invention

[0004] The purpose of the present invention is to set different limiting parts on the shaft body to limit the circumferential rotation of the shaft body when sliding in different grooves, so as to make the hinge assembly more compact while better realizing the movement control of the door body.

[0005] To achieve one of the above-mentioned purposes, an embodiment of the present invention provides a refrigeration device, comprising a movable shaft and a slot body; the movable shaft has a shaft body that is slidably matched with the slot body, and the hinge assembly also includes a limit portion that limits the circumferential rotation of the shaft body in the slot body;

[0006] The groove body includes a first track groove and a second track groove; the shaft body moves in the first track groove and the second track groove in sequence; the limiting part includes a first limiting part and a second limiting part arranged on the shaft body;

[0007] When the shaft body slides along the first trajectory groove, the first limiting portion is used to abut against the inner wall of the first trajectory groove to limit the circumferential rotation of the shaft body in the first trajectory groove; when the shaft body moves in the second trajectory groove, the second limiting portion is used to abut against the inner wall of the second trajectory groove to limit the circumferential rotation of the shaft body in the second trajectory groove.

[0008] Furthermore, the first limiting portion and the second limiting portion are both arranged on the outer wall of the shaft body, and the first limiting portion and the second limiting portion are arranged along the circumferential direction of the shaft body.

[0009] Furthermore, the first limiting part and the second limiting part are both provided with two, and the two first limiting parts are provided at opposite sides of the shaft body, and when sliding in the first track groove, the two first limiting parts are respectively opposite to the two inner walls of the first track groove;

[0010] The two second limiting portions are arranged on opposite sides of the shaft body. When sliding in the second track groove, the two second limiting portions are respectively opposite to the two inner walls of the second track groove.

[0011] Furthermore, the shaft body is flat as a whole and has a length direction and a width direction; the first limiting portion and the second limiting portion are adjacently arranged along the length direction of the shaft body.

[0012] Furthermore, the shaft body includes an upper shaft section and a lower shaft section arranged along the axial direction of the shaft body, the first limiting portion is arranged on the outer wall of the upper shaft section, and the second limiting portion is arranged on the outer wall of the lower shaft section; the positions of the first limiting portion and the second limiting portion are staggered with each other.

[0013] Furthermore, the first track groove comprises a first upper groove body and a first lower groove body; when the upper shaft section slides along the first upper groove body, the first limit portion is used to abut against the inner wall of the first upper groove body, and the first lower groove body is clearance-matched with the lower shaft section;

[0014] The second track groove includes a second upper groove body and a second lower groove body. When the lower shaft segment slides along the second track groove, the second limiting portion is used to abut against the inner wall of the second lower groove body, and the second upper groove body is clearance-matched with the upper shaft segment.

[0015] Furthermore, the width of the first lower tank body is greater than the width of the first upper tank body;

[0016] The width of the second upper trough body is greater than the width of the second lower trough body.

[0017] Furthermore, a first shoulder portion is formed between the first lower trough body and the first upper trough body, and the first shoulder portion abuts against the upper end portion of the lower shaft segment to limit the lower shaft segment in the axial direction;

[0018] A second shoulder portion is provided between the second lower trough body and the second upper trough body, and the second shoulder portion is used to abut against the lower end portion of the upper shaft segment to limit the upper shaft segment in the axial direction.

[0019] Furthermore, the first limiting portion and the second limiting portion are both planar in shape as a whole, and the plane where the first limiting portion is located intersects with the plane where the second limiting portion is located;

[0020] When the first limiting portion slides along the first track groove, the sliding direction of the first limiting portion is substantially parallel to the plane where the first limiting portion is located;

[0021] When the second limiting portion slides along the second track groove, the sliding direction of the second limiting portion is substantially parallel to the plane where the second limiting portion is located.

[0022] Furthermore, the upper shaft section and the lower shaft section are both flat as a whole and have a long axis and a wide axis, and the extension direction of the long axis of the upper shaft section is different from the extension direction of the long axis of the lower shaft section;

[0023] The upper shaft section comprises arc-shaped walls arranged opposite to each other along the extension direction of the long axis of the upper shaft section, two first limit portions are arranged opposite to each other along the extension direction of the short axis of the upper shaft section;

[0024] The lower shaft section includes arcuate walls arranged opposite to each other along the extension direction of the long axis of the lower shaft section. Two second limiting portions are provided, and the two second limiting portions are arranged opposite to each other along the extension direction of the short axis of the lower shaft section.

[0025] The present invention also discloses a refrigeration device, comprising a box body with a containing space, a door body and the hinge assembly; the door body is pivoted on the box body through the hinge assembly to open or close the containing space; the box body has a box side wall and a box front wall;

[0026] During the process of opening the door body, the shaft body moves in the first track groove and the second track groove in sequence; and when the shaft body moves along the first track groove, the door body moves relatively away from the box front wall and away from the box side wall.

[0027] Furthermore, the hinge assembly further comprises a hinge plate arranged on the box body, the groove body is arranged on the hinge plate, and the shaft body is arranged on the door body;

[0028] The first track groove is in an arc shape as a whole, and extends in a direction gradually away from the box front wall and the box side wall when the door body is closed;

[0029] The second track groove is in an arc shape as a whole, and when the door body is closed, the second track groove is extended in a direction gradually away from the box front wall and close to the box side wall.

[0030] Furthermore, the hinge assembly further comprises a hinge plate arranged on the box body, the shaft body is arranged on the hinge plate, and the groove body is arranged on the door body;

[0031] The first track groove is in an arc shape as a whole, and extends in a direction gradually approaching the box front wall and the box side wall when the door body is closed;

[0032] The second track groove is in an arc shape as a whole, and extends in a direction gradually away from the box front wall and gradually approaching the box side wall when the door body is in a closed state.

[0033] Furthermore, the refrigeration equipment is a refrigerator.

[0034] Compared with the prior art, the present invention realizes the movement of the door body using the hinge assembly during the opening process through a single-axis setting, and by setting different limiting parts on the shaft body to limit the circumferential rotation of the shaft body when sliding in different grooves, the hinge assembly can be set more compactly while better realizing the movement control of the door body. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 is a schematic structural diagram of a refrigeration device according to a first embodiment of the present invention when the door is closed;

[0036] Figure 2 is a schematic structural diagram of a refrigeration device according to a first embodiment of the present invention when the door is opened to a first angle;

[0037] Figure 3 is a schematic structural diagram of the refrigeration device according to the first embodiment of the present invention when the door body is opened to a second angle;

[0038] Figure 4 It is a schematic diagram of the installation structure of the movable shaft in the refrigeration device according to the first embodiment of the present invention;

[0039] Figure 5 yes Figure 4 A top view of

[0040] Figure 6 It is a schematic structural diagram of a tank body in a refrigeration device according to a first embodiment of the present invention;

[0041] Figure 7 is a schematic structural diagram of a refrigeration device according to a second embodiment of the present invention when the door is closed;

[0042] Figure 8 is a schematic diagram of the installation structure of the hinge assembly of the refrigeration equipment according to the second embodiment of the present invention when the door body is closed;

[0043] Fig. 9 yes Figure 8 The main view;

[0044] Fig.10 yes Fig. 9 Sectional view in the AA direction;

[0045] Fig.11 yes Fig.10 A partial enlarged view of point B in the middle;

[0046] Fig.12 is a schematic diagram of the installation structure of the hinge assembly of the refrigeration device according to the second embodiment of the present invention when the door body is opened to the maximum angle;

[0047] Fig.13 is a schematic diagram of the installation structure of the hinge assembly in the refrigeration equipment according to the second embodiment of the present invention;

[0048] Fig.14 is a schematic structural diagram of a tank body in a refrigeration device according to a second embodiment of the present invention;

[0049] Fig.15 is a schematic structural diagram of a movable shaft in a refrigeration device according to a second embodiment of the present invention;

[0050] Fig.16 is a schematic structural diagram of a refrigeration device according to a third embodiment of the present invention when the door is closed;

[0051] Fig.17 is a schematic structural diagram of a refrigeration device according to a third embodiment of the present invention when the door body is opened to a first opening angle;

[0052] Fig.18 is a schematic diagram of the installation structure of the hinge assembly of the refrigeration device according to the third embodiment of the present invention when the door body is opened to a first opening angle;

[0053] Fig.19 is a schematic structural diagram of a refrigeration device according to a third embodiment of the present invention when the door body is opened to a second opening angle;

[0054] Fig. 20 is a schematic diagram of the installation structure of the hinge assembly of the refrigeration device according to the third embodiment of the present invention when the door body is opened to the second opening angle;

[0055] Fig.21 is a schematic diagram of the installation structure of a movable shaft in a refrigeration device according to a third embodiment of the present invention;

[0056] Fig. 22 is a first structural schematic diagram of a movable shaft in a refrigeration device according to a third embodiment of the present invention;

[0057] Fig.23 is a second structural schematic diagram of a movable shaft in a refrigeration device according to a third embodiment of the present invention;

[0058] Fig.24 It is a first structural schematic diagram of a trough body arranged on a door body in a refrigeration device according to a third embodiment of the present invention;

[0059] Fig.25 yes Fig.24 A top view of

[0060] Fig.26It is a second structural schematic diagram of a trough body disposed on a door body in a refrigeration device according to a third embodiment of the present invention;

[0061] Fig. 27 yes Fig.25 Bottom view of

[0062] Fig.28 It is a schematic structural diagram of the upper shaft section sliding in the first track groove in the refrigeration device according to the third embodiment of the present invention;

[0063] Fig.29 is a schematic structural diagram of a refrigeration device according to a third embodiment of the present invention in which a lower shaft section slides in a second track groove;

[0064] Description of the drawings: 1-box body, 11-box front wall, 12-box side wall, 2-door body, 21-door front wall, 22-door side wall, 23-door outer edge, 24-door inner edge, 3-hinge assembly, 31-movable shaft, 311-shaft body, 3111-upper shaft section, 3112-lower shaft section, 3113-long shaft, 3114-short shaft, 312-installation part, 313-upper limit plate, 314 -lower limiting plate, 32-slot body, 321-first track slot, 3211-first upper slot body, 3212-first lower slot body, 3213-first shoulder portion, 322-second track slot, 3221-second upper slot body, 3222-second lower slot body, 3223-second shoulder portion, 33-limiting portion, 331-first limiting portion, 332-second limiting portion, 34-hinge plate. DETAILED DESCRIPTION

[0065] The present invention will be described in detail below in conjunction with the specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and any structural, methodological, or functional changes made by a person skilled in the art based on these embodiments are all within the scope of protection of the present invention.

[0066] One embodiment of the present invention provides a refrigeration device, which includes a box body that can be embedded in an external environment part. The external environment part can be, for example, a decorative part, a rock board or a cabinet. The refrigeration device can also be other household appliances embedded in the external environment part.

[0067] In this embodiment, Figures 1 to 4 As shown, the refrigeration device includes a box body 1 for providing an internal accommodation space, a door body 2 and a hinge assembly 3, and the door body 2 is pivoted on the box body 1 through the hinge assembly 3 to open or close the accommodation space;

[0068] In this embodiment, the box body 1 has a box front wall 11 and a box side wall 12 arranged perpendicular to the box front wall 11. In this embodiment, the box front wall 11 and the box side wall 12 are roughly planar. The opening of the accommodating space is arranged on the box front wall 11, and the door body 2 is located at the front side of the box body 1 as a whole, and when the door body 2 is in a closed state, the opening of the accommodating space is closed. It should be noted that the front side here is the direction of the opening of the accommodating space.

[0069] The door body 2 also has a door front wall 21 and a door side wall 22. The intersection of the door front wall 21 and the door side wall 22 forms a door outer edge 23. When the door body 2 is in a closed state, that is, when the door body 2 covers the opening of the storage space 10, the door front wall 21 is arranged on the side of the door body 2 away from the box front wall. In this embodiment, the door front wall 21 is flat as a whole, and is roughly parallel to the box front wall 11 when the door body 2 is in a closed state.

[0070] The box body 1 is arranged beside the external environment part. After the box body 1 is put in place, the box side wall 22 faces the first side of the external environment part, that is, the box side wall 22 is opposite to the first side of the external environment part, and the box side wall 22 is roughly parallel to the first side of the external environment part.

[0071] When the door body 2 is in the closed state, the door side wall 22 also faces the first side of the external environment component, and the door side wall 22 is opposite to the first side. In this embodiment, the door side wall 22 is flat as a whole, and is roughly parallel to the first side of the external environment component.

[0072] In this embodiment, the door front wall 21 and the door side wall 22 are both roughly planar, and when the door body 2 is in a closed state, the door front wall 21 is parallel to the box front wall 11, and the plane where the door side wall 22 is located is parallel to the plane where the box side wall 12 is located. Of course, in other embodiments, the door front wall 21 and the door side wall 22 can also be curved or cambered.

[0073] In this embodiment, Figure 1-23 As shown, the hinge assembly 3 includes a movable shaft 31 and a slot body 32; the movable shaft 31 has a shaft body 311 that is slidably matched with the slot body 32, and the hinge assembly 3 also includes a limiting portion 33 that limits the circumferential rotation of the shaft body 311 in the slot body 32;

[0074] The groove body 32 includes a first track groove 321 and a second track groove 322; the shaft body 31 moves in the first track groove 321 and the second track groove 322 in sequence;

[0075] The limiting portion 33 includes a first limiting portion 331 and a second limiting portion 332 arranged on the shaft body 311;

[0076] When the shaft body 311 slides along the first track groove 321, the first limiting portion 331 is used to abut against the inner wall of the first track groove 321 to limit the circumferential rotation of the shaft body 311 in the first track groove 321; when the shaft body 311 moves in the second track groove 322, the second limiting portion 332 is used to abut against the inner wall of the second track groove 322 to limit the circumferential rotation of the shaft body 311 in the second track groove 322.

[0077] In this embodiment, during the opening process of the door body 2, the shaft body 311 first slides along the first trajectory groove 321 to achieve the initial movement of the door body 2, and then as the door body 2 is further opened, the shaft body 311 slides along the second trajectory groove 321. Due to the arrangement of the first limiting portion 331 and the second limiting portion 332, the shaft body 311 is prevented from rotating in the circumferential direction in the first trajectory groove 321, and the shaft body 311 is also prevented from rotating in the circumferential direction in the second trajectory groove 322.

[0078] When the shaft 311 rotates circumferentially in the first track groove 321 or in the second track groove 322, the door body 2 rotates synchronously. The premature rotation of the door body 2 in the first track groove 321 will cause the door outer edge 23 to be interfered with by the external environment. When the door body 2 rotates in the groove 32, it will increase the difficulty of controlling the opening of the door body 2, making the position of the door body 2 uncontrollable during the opening process, thereby causing confusion in the opening position of the door body 2 and affecting the closing of the door body 2. In this embodiment, the setting of the limit part 33 can make the door body 2 only slide along the groove 32 during the opening process without relative circumferential rotation with the groove 32, avoiding the interference of the door body 2 with the external environment in the initial stage of opening, and making the opening process of the door body 2 more controllable.

[0079] Different limiting parts are used in the first track groove 321 and the second track groove 322 to limit the circumferential rotation of the shaft body 311, so that the groove body 32 can be set narrower, so that the groove body 32 occupies less space, and the thickness of the door body 2 can be reduced when the groove body is set on the door body 2.

[0080] In a specific embodiment, Figure 1-4 As shown, the first track groove 321 is extended in a long strip shape as a whole. The extension shape of the first track groove 321 can be a straight line or a curve. In this embodiment, in order to better realize the movement of the door body 2, the first track groove 321 is extended in a curve shape as a whole.

[0081] The second track groove 322 is extended in a long strip shape as a whole. The extension shape of the second track groove 322 can be a straight line or a curve. In this embodiment, in order to better realize the movement of the door body 2, the second track groove 322 is extended in a curve shape as a whole.

[0082] The first limiting portion 331 and the second limiting portion 332 are both disposed on the outer wall of the shaft body 311 and are arranged along the circumferential direction of the shaft body 311. The first track groove 321 and the second track groove 322 are disposed to intersect.

[0083] There are many ways to set the movable shaft 31. The following describes two typical movable shafts 31 as examples:

[0084] For the first type of hinge assembly, such as Figure 1-15 As shown, the first limiting portion 331 and the second limiting portion 332 are both disposed on the outer wall of the shaft body 311 and the first limiting portion 331 and the second limiting portion 332 are arranged along the circumferential direction of the shaft body 311 .

[0085] The first limiting portion 331 and the second limiting portion 332 are both planar in shape and include abutting surfaces for abutting against the inner wall of the groove body 32 . The first limiting portion 331 and the second limiting portion 332 are arranged side by side along the circumferential direction of the shaft body 311 .

[0086] When the first limiting portion 331 slides in the first track groove 321, the first limiting portion 331, which is in a planar shape as a whole, can abut against the inner wall of the first track groove 321, thereby limiting the relative rotation of the shaft body 311 and the first track groove 321 in the circumferential direction. When the second limiting portion 332 slides in the second track groove 322, the second limiting portion 332, which is in a planar shape as a whole, can abut against the inner wall of the second track groove 322, thereby limiting the relative rotation of the shaft body 311 and the second track groove 322 in the circumferential direction.

[0087] like Figure 4-5 and Fig.15 As shown, the orientation of the first limiting portion 331 is different from that of the second limiting portion 322 , and the two orientations are arranged to intersect. The first limiting portion 331 and the second limiting portion 322 are arranged adjacent to each other to form a protrusion protruding relatively outward therebetween.

[0088] In the above description, the first limiting portion 331 and the second limiting portion 332 are both planar as a whole. Of course, it can be understood that in order to better match the inner wall of the first trajectory groove 321, when the first trajectory groove 321 is extended in a curved shape as a whole, the abutting surface of the first limiting portion 331 is also correspondingly a curved surface set on the outer wall of the shaft body 311, and the first limiting portion 331 with a curved surface is adapted to the curved surface of the inner wall of the first trajectory groove 321. In a specific embodiment, the curve formed by the intersection of the curved surface and the cross section of the shaft body can be an arc as a whole. Accordingly, the second limiting portion 332 also has structural features similar to those of the first limiting portion 331, which will not be repeated here.

[0089] The first limiting portion 331 may be provided with one or two. When the first limiting portion 331 is provided with one, it is equivalent to cutting off a portion of the shaft body 311 along the axial direction parallel to the shaft body 311 from the shaft body 311 which is originally cylindrical to form a limiting surface, and the limiting surface is used to abut against the inner wall of the first track groove 321. Correspondingly, the second limiting portion 332 has a similar structure to the first limiting portion 331.

[0090] In this embodiment, if Figure 4-5 and Fig.15 As shown, two first limiters 331 can also be provided, and the two first limiters 331 are centrally symmetrically arranged with the central axis of the shaft body 311 as the symmetry point. Two second limiters 332 are also provided, and the two second limiters 332 are centrally symmetrically arranged with the central axis of the shaft body 311 as the symmetry point.

[0091] The shaft body 311 is flat as a whole, and the cross section of the shaft body 311 has a length direction and a width direction. The adjacent first limiter 331 and the second limiter 332 are adjacently arranged along the length direction of the shaft body 311, and the protrusions relatively surrounded by the first limiter 331 and the second limiter 332 face the width direction of the shaft body 311. The adjacent first limiter 331 and the second limiter 332 can be regarded as a set of limiter components. Two sets of limiter components are arranged on the shaft body 311, and the two sets of limiter components are centrally symmetrically arranged with the central axis of the shaft body 311 as the symmetry point.

[0092] The first stopper 331 and the second stopper 332 have the same size, so that the two sets of stopper components are symmetrically arranged, and the cross section of the shaft body 311 is a rhombus as a whole. The shaft body 311 is flat as a whole, and has a length direction and a width direction. A pair of stopper components are arranged along the width direction of the shaft body 311.

[0093] The first track groove 321 has two inner walls arranged opposite to each other in a direction perpendicular to the extension direction of the first track groove 321. When the shaft body 311 slides along the first track groove 321, the two first limiting portions 331 are respectively opposite to the two inner walls of the first track groove 321. When at least one of the first limiting portions 331 abuts against the inner wall of the first track groove 321 during the sliding process of the shaft body 311, the rotation of the shaft body 311 in the circumferential direction of the first track groove 321 can be limited. The two first limiting portions 331 are limited between the two inner walls, so that the shaft body 311 can only slide along the extension direction of the first track groove 321 and cannot rotate.

[0094] Correspondingly, in a direction perpendicular to the extension of the second track groove 322, the second track groove 322 has two inner walls arranged opposite to each other. When the shaft body 311 slides along the second track groove 322, the two second limiting portions 332 are respectively opposite to the two inner walls of the second track groove 322. When at least one second limiting portion 332 abuts against the inner wall of the second track groove 322 during the sliding process of the shaft body 311, the rotation of the shaft body 311 in the circumferential direction of the second track groove 322 can be limited. The two second limiting portions 332 are limited between the two inner walls, so that the shaft body 311 can only slide along the extension direction of the second track groove 322 and cannot rotate.

[0095] In a specific embodiment, the movable shaft 31 can be arranged on the door body 2 or on the box body 1. Figure 1-5 As shown, when the movable shaft 31 is arranged on the box body 1, the groove body 32 is correspondingly arranged on the door body 2; Figure 6-15 As shown, when the movable shaft 31 is arranged on the door body 2 , the groove body 32 is correspondingly arranged on the box body 1 .

[0096] like Figure 1-5 As shown, when the movable shaft 31 is set on the box body 1, in order to facilitate the setting of the movable shaft 31, the hinge assembly 3 also has a hinge plate 34 set on the box body 1, and the movable shaft 31 has a mounting portion 312 fixed on the hinge plate 34, and the shaft body 311 and the mounting portion 312 are arranged along the axial direction of the shaft body 311.

[0097] The groove body 32 is directly arranged on the door body 2, and the bottom or top of the door body 2 directly forms a groove opening upward or downward, and the shaft body 311 is positioned in the groove. Such a structural arrangement can more conveniently realize the installation and fixation of the door body 2 on the box body 1, which is convenient for loading or disassembly of the door body 2.

[0098] like Figure 1 As shown, when the door body 2 is in a closed state, the shaft body 311 is located at the beginning of the first track groove 321, and when the door body 2 is opened, the shaft body 311 slides relatively along the first track groove 321 from the beginning to the end. When the door body 2 is in a closed state, the beginning of the first track groove 321 is located closer to the door front wall 21 and relatively away from the door side wall 22 relative to the end, and the beginning of the first track groove 321 is located farther away from the box front wall 11 and the box side wall 12 relative to the end of the first track groove 321.

[0099] When the door body 2 is in the closed state, the first track groove 321 as a whole is generally extended in a direction gradually approaching the box front wall 11 and the box side wall 12, and the extension direction of the first track groove 321 is also the direction moving from the starting end to the end of the first track groove 321.

[0100] The first track groove 321 is provided so that when the door body 2 is opened, the door body 2 as a whole has a motion tendency to move relatively away from the box side wall 12 and away from the box front wall 11. Taking the door body 2 as a reference, the shaft body 313 has a motion component that moves relatively away from the door front wall 21 and gradually toward the door side wall 22.

[0101] In the initial stage of the opening process, the outer edge 23 of the door and the inner edge 24 of the door are relatively located away from the shaft 311. In order to prevent the outer edge 23 of the door from being affected by interference from external environmental parts and to prevent the inner edge 24 of the door from being affected by interference from the box body 1, the first track groove 321 is extended as a whole toward the position of the inner edge 24 of the door. Such a structural arrangement enables the door body 2 to be pulled out obliquely in the oblique direction as a whole during the opening process. After the door body 2 moves to a position convenient for rotation and opening, subsequent rotation can be realized.

[0102] like Figure 1 and Figure 6 As shown, the first track groove 321 is extended in a curve as a whole, and the first track groove 321 includes a first groove section and a second groove section sequentially arranged along the extension direction of the first track groove 321, and the second groove section is located between the second track groove 322 and the first groove section.

[0103] During the opening process of the door body 2, as the opening angle of the door body 2 increases, the shaft body 311 slides along the first groove section and the second groove section in sequence. It should be noted that there is no clear boundary between the first groove section and the second groove section, and this only indicates the process of the shaft body 311 sliding in the first track groove 321.

[0104] When sliding in the first groove section, the movement amplitude of the shaft body 311 relatively away from the door front wall 21 is greater than the movement amplitude of the shaft body 311 relatively close to the door side wall 22; the movement amplitude of the door body 2 relatively away from the box front wall 11 is greater than the movement amplitude of the door body 2 relatively away from the box side wall 12.

[0105] When the first slot section moves, the door body 2 is more inclined to move away from the box body 1 than to move away from the external environment. That is, the door body 2 is more inclined to move forward than to move inward. It should be noted that the forward here refers to the movement of the door body 2 away from the box body 1, and the inward movement means that the door body 2 moves away from the external environment.

[0106] When the second slot section slides, the movement amplitude of the shaft body 311 on the side relatively away from the door front wall 21 is smaller than the movement amplitude of the shaft body 311 on the side relatively close to the door side wall 22; the movement amplitude of the door body 2 away from the box front wall 11 is smaller than the movement amplitude of the door body 2 away from the box side wall 12. That is, when the second slot section moves, compared with moving away from the box body 1, the door body 2 is more inclined to move away from the external environment. That is, compared with moving forward, the door body 2 is more inclined to move inward.

[0107] The above structure allows the first track groove 321 to extend in an arc shape as a whole, and the arc formed by the first track groove 321 arches in the direction away from the door outer edge 23 . The first track groove 321 extends in a direction gradually approaching the door side wall 22 and gradually away from the door front wall 21 .

[0108] With the door outer edge 23 as the center, the plane where the door front wall 21 is located is the x direction, and the plane where the door side wall 22 is located is the y direction, the slope of the first groove segment extending direction is greater than the slope of the second groove segment extending direction, and the slope of the first track groove 321 extending direction gradually decreases along the extending direction of the first track groove 321. It should be noted that the extending direction of the first track groove 321 is the extending direction of the tangent line of the curve where the first track groove 321 is located.

[0109] Although the relative movement of the shaft body 311 in the entire first track groove 321 is relatively and gradually extending in the direction away from the door front wall 21 and close to the door side wall 22, it is more inclined to extend in the direction away from the door front wall 21 in the first groove section, and the second groove section is more inclined to extend in the direction close to the door side wall 22.

[0110] Since the inner edge 24 of the door is farther from the shaft 311 in the initial stage of the door opening, the interference between the inner edge 24 of the door and the box body 1 needs to be more considered in the initial stage. Therefore, the door body 2 needs to move further away from the box body 1, that is, the shaft body moves relatively away from the door front wall 21.

[0111] After opening to a certain angle, more consideration needs to be given to interference from external environmental components, so that the door body 2 moves more toward the inside, that is, the shaft body 311 moves more toward the direction close to the door side wall 22. The above-mentioned structure can be set to more precisely control the opening process of the door body 2 according to the actual needs of the door body 2 during the opening process, and can better avoid interference from the door body 2 during the opening process.

[0112] In the initial stage of the door body 2 opening, the door outer edge 23 first gradually moves toward the plane where the box side wall 12 is located, and then as the door body 2 is further opened, the door outer edge 23 gradually moves away from the plane where the door box side wall 12 is located.

[0113] like Figure 2-3As shown, as the door body 2 is further opened, the shaft body 311 slides from the first track groove 321 to the second track groove 322, and the start end of the second track groove 322 is located at the end of the first track groove 321. When the door body 2 is in a closed state, the start end of the second track groove 322 is located at a position farther away from the door front wall 21 and relatively closer to the door side wall 22 relative to the end of the second track groove 322, and the start end of the second track groove 322 is located at a position closer to the box front wall 11 and farther away from the box side wall 12 relative to the end of the second track groove 322.

[0114] When the door body 2 is in the closed state, the second track groove 322 extends in a direction gradually away from the box front wall 11 and gradually towards the box side wall 12. The extension direction of the second track groove 322 is also the overall direction of movement from the starting end to the end of the second track groove 322.

[0115] As the door body 2 is further opened, the shaft body 311 is slidably arranged along the second track groove 322 , and the door body 2 as a whole has a movement tendency to move relatively away from the box side wall 12 and away from the box front wall 11 .

[0116] like Figure 1 and Figure 6 As shown, the second track groove 322 is extended in a curved shape as a whole, and the second track groove 322 is extended toward the position of the outer edge 23 of the door as a whole. When the shaft body 311 slides in the second track groove 322, the movement amplitude of the shaft body 311 relatively close to the door front wall 21 is greater than the movement amplitude of the shaft body 311 relatively close to the door side wall 22; the movement amplitude of the door body 2 relatively away from the box front wall 11 is smaller than the movement amplitude of the door body 2 relatively away from the box side wall 12.

[0117] When sliding in the second track groove 322, the door body 2 is more inclined to move in a direction away from the external environment than to move away from the box body 1. That is, the door body 2 is more inclined to move inward than to move forward. It should be noted that the forward here refers to the movement of the door body 2 in a direction away from the box body 1, and the inward movement means that the door body 2 moves in a direction away from the external environment.

[0118] After the door body is opened to a certain angle, if the door body 2 moves forward to a large extent, it is easy to cause the entire refrigeration equipment to tilt forward. As the opening angle of the door body 2 further increases, the plane where the door front wall 21 is located is easily interfered by external environmental parts. Therefore, when moving along the second track groove 322, the door body 2 as a whole moves relatively inward.

[0119] With the door outer edge 23 as the center, the plane where the door front wall 21 is located is the x direction and the plane where the door side wall 22 is located is the y direction, and the angle between the extension direction of the second track groove 322 and the Y direction is less than 45°.

[0120] like Figure 7-15 As shown, when the movable shaft 31 is arranged on the door body 2, the corresponding groove body 32 is arranged on the box body 1. In order to facilitate the arrangement of the groove body 32 on the box body 1, the hinge assembly also has a hinge plate 34 arranged on the box body 1, and the groove body 32 is arranged on the hinge plate 34. The movable shaft 31 has a mounting portion 312 connected and fixed to the door body 2, and the shaft body 311 and the mounting portion 312 are arranged along the axial direction of the shaft body 311.

[0121] like Fig.15 As shown, an upper limit plate 313 and a lower limit plate 314 are provided on the movable shaft 31, and the shaft body 311 is arranged between the upper limit plate 313 and the lower limit plate 314, the upper limit plate 313 is used to abut against the upper side of the hinge plate 34, and the lower limit plate 314 is used to abut against the lower side of the hinge plate 34.

[0122] The movable shaft 31 is installed and positioned on the hinge plate 34 in the axial direction by the upper limit plate 313 and the lower limit plate 314 .

[0123] The groove body 32 is directly arranged on the hinge plate 34 and penetrates the hinge plate 34 in the vertical direction. The bottom or top of the door body 2 directly forms a groove opened upward or downward, and the shaft body 311 is positioned in the groove.

[0124] like Fig.11 and Fig.16 As shown, when the door body 2 is in the closed state, the shaft body 311 is located at the beginning of the first track groove 321, and the beginning of the first track groove 321 is located closer to the box side wall 12 and the box front wall 11 relative to the end of the first track groove 321. The beginning of the first track groove 321 is located farther away from the door front wall 21 and closer to the door side wall 22 relative to the end of the first track groove 321.

[0125] In order to prevent the outer edge 23 of the door from being affected by interference from external environmental components and to prevent the inner edge 24 of the door from being affected by interference from the box body 1, the first track groove 321 is extended as a whole in a direction away from the box side wall 12 and away from the box front wall 11. During the opening process of the door body 2, the shaft body 311 slides relatively along the first track groove 321, so that the door body 2 as a whole moves relatively in a direction away from the box side wall 12 and away from the box front wall 11, that is, the door body 2 moves inward and toward the front.

[0126] like Figure 8-14As shown, the first track groove 321 is extended in a curved shape as a whole, and the first track groove 321 includes a first groove section and a second groove section sequentially arranged along the extension direction of the first track groove 321, and the second groove section is located between the second track groove 322 and the first groove section. During the opening process of the door body 2, as the opening angle of the door body 2 increases, the shaft body 311 slides along the first groove section and the second groove section in sequence. It should be noted that there is no clear boundary between the first groove section and the second groove section, and this only indicates the process of the shaft body 311 sliding in the first track groove 321.

[0127] When sliding along the first slot section, the movement range of the shaft body 311 relatively away from the box side wall 12 is greater than the movement range of the shaft body 311 relatively away from the box front wall 11, that is, when moving in the first slot section, compared with the direction away from the box body 1, the door body 2 is more inclined to move in the direction away from the box side wall 12, that is, the door body 2 is more inclined to move in the direction away from the external environment. This means that compared with moving forward, the door body 2 is more inclined to move inward.

[0128] When sliding along the second groove section, the movement range of the shaft body 311 away from the box front wall 11 is relatively greater than the movement range of the shaft body 311 away from the box side wall 12, that is, when moving in the second groove section, the door body 2 is more inclined to move away from the box front wall 12 than to move away from the box side wall 12. That is, compared with moving inward, the door body 2 is more inclined to move forward.

[0129] The first track groove 321 is extended in an arc shape as a whole, and the arc formed by the first track groove 321 is arched in the direction away from the door outer edge 23 . The first track groove 321 is extended in the direction gradually away from the box side wall 12 and the box front wall 11 .

[0130] A coordinate system is established with the door outer edge 23 as the center, the plane where the door front wall 21 is located as the x direction, and the plane where the door side wall 22 is located as the y direction. The slope of the first groove segment extending direction is less than the slope of the second groove segment extending direction. With the direction in which the first track groove 321 is extended, the slope of the first track groove extending direction gradually increases. It should be noted that since the first track groove 321 is a curve as a whole, the extending direction of the first track groove 321 is the extending direction of the tangent of the curve at the position of the first track groove 321.

[0131] In the embodiment where the shaft 311 is arranged on the door body 2 and the groove 32 is arranged on the box body 1, in the initial stage of the door body 2 being opened, the distance between the outer edge 23 of the door and the shaft 31 is greater than the distance between the inner edge 24 of the door and the shaft 31. Therefore, in the initial stage of the door body being opened, the movement amplitude of the outer edge 23 of the door is greater than the movement amplitude of the inner edge 24 of the door, which means that the outer edge 23 of the door is more susceptible to interference from external environmental components than the inner edge 24 of the door.

[0132] Therefore, when the first groove section moves, compared with the door body 2 moving away from the front wall 11 of the box, the door body 2 is more inclined to move inward, that is, it is more inclined to move away from the side wall 12 of the box, that is, the door body 2 is more inclined to move away from the external environment to avoid the door outer edge 23 being affected by interference from the external environment.

[0133] When the second slot section moves, compared with the door body 2 moving away from the box side wall 12, the door body 2 is more inclined to move in the front side, that is, it is more inclined to move in the direction away from the box front wall 12, that is, the door body 2 is more inclined to move in the direction away from the box body 1, so as to avoid the inner edge 24 of the door being affected by the interference of external environmental parts. The above-mentioned structure can be set to more finely control the opening process of the door body 2 according to the actual needs of the door body 2 during the opening process, and can better avoid the door body 2 from being interfered with during the opening process.

[0134] In the initial stage of the door body 2 opening, the door outer edge 23 first gradually moves toward the plane where the box side wall 12 is located, and then as the door body 2 is further opened, the door outer edge 23 gradually moves away from the plane where the door box side wall 12 is located. It should be noted that the movement of approaching or moving away from the box side wall 12 elsewhere in this document refers to the movement of approaching or moving away from the plane where the box side wall 12 is located. Correspondingly, the movement of approaching or moving away from the box front wall 11 elsewhere in this document refers to the movement of approaching or moving away from the plane where the box front wall 11 is located.

[0135] like Fig.12 As shown, as the door body 2 is further opened, the shaft body 311 slides from the first track groove 321 to the second track groove 322, and the start end of the second track groove 322 is located at the end of the first track groove 321. When the door body 2 is in a closed state, the start end of the second track groove 322 is located at a position farther away from the door front wall 21 and relatively closer to the door side wall 22 relative to the end of the second track groove 322, and the start end of the second track groove 322 is located at a position closer to the box front wall 11 and farther away from the box side wall 12 relative to the end of the second track groove 322.

[0136] When the door body 2 is in a closed state, the second track groove 322 extends in a direction gradually away from the box front wall 11 and gradually toward the box side wall 12. The extension direction of the second track groove 322 is also the direction moving from the starting end to the end of the second track groove 322.

[0137] As the door body 2 is further opened, the shaft body 311 slides along the second track groove 322, and the door body 2 as a whole has a movement tendency to move relatively toward the box side wall 12 and away from the box front wall 11, that is, the door body 2 moves relatively forward and outward.

[0138] like Figure 2As shown, the second track groove 322 is extended in a curved shape as a whole, and when the door body 2 is in a closed state, the second track groove 322 is extended toward the position of the door outer edge 23 as a whole. When the shaft body 311 slides in the second track groove 322, the movement amplitude of the door body 2 away from the box front wall 11 is greater than the movement amplitude of the door body 2 toward the box side wall 12.

[0139] When sliding in the second track groove 322, the door body 2 is more inclined to move away from the box body 1 than to move toward the box side wall 12. That is, the door body 2 is more inclined to move forward than to move outward.

[0140] When moving in the first track groove 321, the door body 2 tends to move inward, and when moving in the second track groove 322, the door body 2 moves outward, so that the accommodating space has a wider opening, so as to facilitate the taking and placing of items after the door body 2 is opened. During the entire movement process of the first track groove 321 and the second track groove 322, the door body 2 as a whole moves relatively away from the box front wall 11.

[0141] In the above embodiment, the first limiting portion 331 and the second limiting portion 332 are arranged in parallel on the outer wall of the shaft body 311. Figure 16-18 and Figure 22-23 As shown, in another embodiment, the shaft body 311 has the following features: the shaft body 311 includes an upper shaft section 3111 and a lower shaft section 3112 arranged along the axial direction of the shaft body 311, the first limit portion 331 is arranged on the outer wall of the upper shaft section 3111, and the second limit portion 332 is arranged on the outer wall of the lower shaft section 3112; the positions of the first limit portion 321 and the second limit portion 322 are mutually misaligned. Mutual misalignment means that in the axial direction along the upper shaft section 3111, the positions of the first limit portion 311 and the second limit portion 322 are not opposite.

[0142] The first limiting portion 321 and the second limiting portion 322 can also be regarded as being arranged along the circumferential direction of the shaft body 311 , and the first limiting portion 321 and the second limiting portion 322 are not opposite in the circumferential direction of the shaft body 311 , and their positions in the circumferential direction are staggered with each other.

[0143] When the first limiting portion 331 and the second limiting portion 332 are both planes as a whole, the orientation of the plane where the first limiting portion 331 is located is different from the orientation of the plane where the second limiting portion 332 is located, and the plane where the first limiting portion 331 is located intersects with the plane where the second limiting portion 332 is located.

[0144] In order to match the shaft body 311, as Figure 24-27As shown, the first track groove 321 includes a first upper groove body 3211 and a first lower groove body 3212; when the upper shaft section 3111 slides along the first upper groove body 3211, the first limiting portion 331 is used to abut against the inner wall of the first upper groove body 3211, and the first lower groove body 3212 is clearance-matched with the lower shaft section 3112; the lower shaft section 3112 can rotate in the first lower groove body 3212.

[0145] like Figure 24-27 As shown, the second track groove 322 includes a second upper groove body 3221 and a second lower groove body 3222. When the lower shaft section 3112 slides along the second track groove 322, the second stopper 332 is used to abut against the inner wall of the second lower groove body 3222, and the second upper groove body 3221 is clearance-matched with the upper shaft section 3111. The upper shaft section 3111 can rotate in the second upper groove body 3221.

[0146] The width of the first lower groove body 3212 is greater than the width of the first upper groove body 3211 ; the width of the second upper groove body 3221 is greater than the width of the second lower groove body 3222 .

[0147] A first shoulder portion 3213 is formed between the first lower slot body 3212 and the first upper slot body 3211. The first shoulder portion 3213 abuts against the upper end portion of the lower shaft segment 3112 to limit the lower shaft segment 3112 in the axial direction.

[0148] A second shoulder portion 3223 is provided between the second lower groove body 3222 and the second upper groove body 3221 . The second shoulder portion 3223 is used to abut against the lower end portion of the upper shaft segment 3111 to limit the upper shaft segment 3112 in the axial direction.

[0149] In this embodiment, the first track groove 321 and the second track groove 322 are both extended in a curved shape as a whole.

[0150] When the first limiting portion 331 slides along the first track groove 321 , the sliding direction of the first limiting portion 331 is substantially parallel to the plane where the first limiting portion 331 is located;

[0151] When the second limiting portion 332 slides along the second track groove 322 , the sliding direction of the second limiting portion 332 is substantially parallel to the plane where the second limiting portion 332 is located.

[0152] like Figure 22-23 and Fig.28 As shown, the upper shaft segment 3111 and the lower shaft segment 3112 are both flat as a whole, and the cross-sections of the upper shaft segment 3111 and the lower shaft segment 3112 are both flat and have a long axis 3313 and a wide axis 3314 respectively, and the extension direction of the long axis of the upper shaft segment 3111 is different from the extension direction of the long axis of the lower shaft segment 3112.

[0153] The upper shaft section 3111 includes arc-shaped walls arranged opposite to each other along the extension direction of the long axis of the upper shaft section 3111, and two first limiting portions 331 are arranged opposite to each other along the extension direction of the short axis of the upper shaft section 3111; the two first limiting portions 331 are symmetrically arranged on the outer wall of the upper shaft section 3111 so that the upper shaft section 3111 is flat as a whole.

[0154] like Fig.29 As shown, the lower shaft section 3112 includes arc-shaped walls arranged opposite to each other along the extension direction of the long axis of the lower shaft section 3113, and two second limiting portions 332 are provided, and the two second limiting portions 332 are arranged opposite to each other along the extension direction of the short axis of the lower shaft section 3112; the two second limiting portions 332 are symmetrically arranged on the outer wall of the lower shaft section 3112, so that the lower shaft section 3112 is flat as a whole.

[0155] like Fig.28 As shown, when the upper shaft segment 3111 slides along the first track groove 321, the extension direction of the long axis of the upper shaft segment 3111 is the same as the extension direction of the first track groove 321 at the corresponding position;

[0156] like Fig.29 As shown, when the lower shaft segment 3112 slides along the second track groove 322, the extension direction of the long axis of the lower shaft segment 3112 is the same as the extension direction of the second track groove 322 at the corresponding position.

[0157] It should be noted that when the first track groove 321 and the second track groove 322 are curves, the extension direction of the first track groove 321 at the corresponding position represents the extension direction of the tangent of the curve where the first track groove 321 is located. Similarly, the extension direction of the second track groove 322 at the corresponding position represents the extension direction of the tangent of the curve where the second track groove 322 is located.

[0158] For the shaft body 311 of the second structure, in a specific embodiment, the movable shaft having the shaft body 311 can be arranged on the door body 2 or on the box body 1. This embodiment is described by taking the movable shaft 31 arranged on the box body 1 as an example. When the movable shaft 31 is arranged on the box body 1, the groove body 32 is correspondingly arranged on the door body 2.

[0159] In order to facilitate the setting of the movable shaft 31 , the hinge assembly 3 also has a hinge plate 34 arranged on the box body 1 . The movable shaft 31 has a mounting portion 312 fixed on the hinge plate 34 . The shaft body 311 and the mounting portion 312 are arranged along the axial direction of the shaft body 311 .

[0160] The groove body 32 is directly arranged on the door body 2, and the bottom or top of the door body 2 directly forms a groove opening upward or downward, and the shaft body 311 is positioned in the groove. Such a structural arrangement can more conveniently realize the installation and fixation of the door body 2 on the box body 1, which is convenient for loading or disassembly of the door body 2.

[0161] The extending direction and structural setting of the first track groove 321 are similar to the structure of the first track groove 321 corresponding to the first movable shaft 31 when it is set on the box body 1. The difference from the first track groove 321 corresponding to the first movable shaft 31 is that in this embodiment, the first track groove 321 is provided with slots of different widths along its penetration direction. Similarly, the second track groove 322 also has similar characteristics to the first track groove 321, which will not be described in detail here.

[0162] In another embodiment of the present invention, the refrigeration device is a refrigerator, and is a built-in refrigerator.

[0163] The series of detailed descriptions listed above are only specific descriptions of feasible implementation methods of the present invention. They are not intended to limit the scope of protection of the present invention. Any equivalent implementation methods or changes that do not deviate from the technical spirit of the present invention should be included in the scope of protection of the present invention.

Claims

1. A hinge assembly, characterized in that: It comprises a movable shaft and a slot body; the movable shaft has a shaft body that is slidably matched with the slot body, and the hinge assembly also comprises a limiting portion that limits the circumferential rotation of the shaft body in the slot body; The groove body includes a first track groove and a second track groove; the shaft body moves in the first track groove and the second track groove in sequence; the limiting part includes a first limiting part and a second limiting part arranged on the shaft body; When the shaft body slides along the first trajectory groove, the first limiting portion is used to abut against the inner wall of the first trajectory groove to limit the circumferential rotation of the shaft body in the first trajectory groove; when the shaft body moves in the second trajectory groove, the second limiting portion is used to abut against the inner wall of the second trajectory groove to limit the circumferential rotation of the shaft body in the second trajectory groove.

2. The hinge assembly according to claim 1, characterized in that: The first limiting portion and the second limiting portion are both disposed on the outer wall of the shaft body, and the first limiting portion and the second limiting portion are arranged along the circumferential direction of the shaft body.

3. The hinge assembly according to claim 2, characterized in that: The first limiting part and the second limiting part are both provided with two, and the two first limiting parts are arranged on opposite sides of the shaft body. When sliding in the first track groove, the two first limiting parts are respectively opposite to the two inner walls of the first track groove; The two second limiting portions are arranged on opposite sides of the shaft body. When sliding in the second track groove, the two second limiting portions are respectively opposite to the two inner walls of the second track groove.

4. The hinge assembly according to claim 3, characterized in that: The shaft body is flat as a whole and has a length direction and a width direction; the first limiting portion and the second limiting portion are adjacently arranged along the length direction of the shaft body.

5. The hinge assembly according to claim 1, characterized in that: The shaft body includes an upper shaft section and a lower shaft section arranged along the axial direction of the shaft body, the first limiting portion is arranged on the outer wall of the upper shaft section, and the second limiting portion is arranged on the outer wall of the lower shaft section; the positions of the first limiting portion and the second limiting portion are staggered with each other.

6. The hinge assembly according to claim 5, characterized in that: The first track groove comprises a first upper groove body and a first lower groove body; when the upper shaft section slides along the first upper groove body, the first limit portion is used to abut against the inner wall of the first upper groove body, and the first lower groove body is clearance-matched with the lower shaft section; The second track groove includes a second upper groove body and a second lower groove body. When the lower shaft segment slides along the second track groove, the second limiting portion is used to abut against the inner wall of the second lower groove body, and the second upper groove body is clearance-matched with the upper shaft segment.

7. The hinge assembly according to claim 6, characterized in that: The width of the first lower trough body is greater than the width of the first upper trough body; The width of the second upper trough body is greater than the width of the second lower trough body.

8. The hinge assembly according to claim 6, characterized in that: A first shoulder portion is formed between the first lower slot body and the first upper slot body, and the first shoulder portion abuts against the upper end portion of the lower shaft segment to limit the lower shaft segment in the axial direction; A second shoulder portion is provided between the second lower trough body and the second upper trough body, and the second shoulder portion is used to abut against the lower end portion of the upper shaft segment to limit the upper shaft segment in the axial direction.

9. The hinge assembly according to claim 5, characterized in that: The first limiting portion and the second limiting portion are both planar in shape as a whole, and the plane where the first limiting portion is located intersects with the plane where the second limiting portion is located; When the first limiting portion slides along the first track groove, the sliding direction of the first limiting portion is substantially parallel to the plane where the first limiting portion is located; When the second limiting portion slides along the second track groove, the sliding direction of the second limiting portion is substantially parallel to the plane where the second limiting portion is located.

10. The hinge assembly according to claim 5, characterized in that: The upper shaft section and the lower shaft section are both flat as a whole and have a long axis and a wide axis, and the extension direction of the long axis of the upper shaft section is different from the extension direction of the long axis of the lower shaft section; The upper shaft section comprises arc-shaped walls arranged opposite to each other along the extension direction of the long axis of the upper shaft section, two first limit portions are arranged opposite to each other along the extension direction of the short axis of the upper shaft section; The lower shaft section includes arcuate walls arranged opposite to each other along the extension direction of the long axis of the lower shaft section. Two second limiting portions are provided, and the two second limiting portions are arranged opposite to each other along the extension direction of the short axis of the lower shaft section.

11. A refrigeration device, characterized in that: The invention comprises a box body having a containing space, a door body and a hinge assembly as claimed in any one of claims 1 to 10; the door body is pivoted on the box body through the hinge assembly to open or close the containing space; the box body has a box side wall and a box front wall; During the process of opening the door body, the shaft body moves in the first track groove and the second track groove in sequence; and when the shaft body moves along the first track groove, the door body moves relatively away from the box front wall and away from the box side wall.

12. The refrigeration device according to claim 11, characterized in that: The hinge assembly also has a hinge plate arranged on the box body, the groove body is arranged on the hinge plate, and the shaft body is arranged on the door body; The first track groove is in an arc shape as a whole, and extends in a direction gradually away from the box front wall and the box side wall when the door body is closed; The second track groove is in an arc shape as a whole, and when the door body is closed, the second track groove is extended in a direction gradually away from the box front wall and close to the box side wall.

13. The refrigeration device according to claim 11, characterized in that: The hinge assembly also has a hinge plate arranged on the box body, the shaft body is arranged on the hinge plate, and the groove body is arranged on the door body; The first track groove is in an arc shape as a whole, and extends in a direction gradually approaching the box front wall and the box side wall when the door body is closed; The second track groove is in an arc shape as a whole, and extends in a direction gradually away from the box front wall and gradually approaching the box side wall when the door body is in a closed state.

14. The refrigeration device according to claim 11, characterized in that: The refrigeration equipment is a refrigerator.

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