CN220769193U - Hinge assembly and refrigeration equipment - Google Patents

Abstract

The utility model discloses a hinge assembly and refrigeration equipment, wherein the hinge assembly comprises a movable shaft and a groove body; the movable shaft is provided with a shaft body which is in sliding fit with the groove body, and the hinge assembly further comprises a limiting part which limits the shaft body to circumferentially rotate in the groove body; 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 propping against the inner wall of the first track groove so as to limit the 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 propping against the inner wall of the second track groove to limit the circumferential rotation of the shaft body in the second track groove. According to the utility model, different limiting parts are arranged on the shaft body to limit the circumferential rotation of the shaft body when sliding in different grooves, so that the hinge assembly is compactly arranged.

Description

Hinge assembly and refrigeration equipment

Technical Field

The utility model relates to the technical field of household equipment, in particular to a hinge assembly and refrigeration equipment.

Background

The embedded electric appliance can be integrated with the external environment, is more and more popular, and for embedded refrigeration equipment such as an embedded refrigerator, the embedded refrigerator generally comprises a box body and a door body rotating on the box body, wherein a storage space is arranged in the box body, and the door body is used for opening or closing the storage space. In order to make the door body more attractive after being closed, the distance between the embedded refrigeration equipment and an external environment piece is made as small as possible after the door body is closed, but the arrangement of the structure can influence the opening of the door body. In order to solve the technical problem, a hinge assembly with a double-shaft structure is adopted in the prior art, namely, when the door body rotates along the main shaft in the opening process, the auxiliary shaft guides the door body to control the door body to move, so that the door body can be controlled to move in the opening process of the door body, and interference of external environment parts is avoided.

The hinge assembly in the prior art is mainly double-shaft, has a complex structure, is complex in motion trail and is inconvenient to apply.

Disclosure of Invention

The utility model aims to limit the circumferential rotation of the shaft body when sliding in different grooves by arranging different limiting parts on the shaft body, so that the hinge assembly can be compactly arranged on the premise of better realizing the movement control of the door body.

In order to achieve one of the above objects, an embodiment of the present utility model provides a refrigeration apparatus including a movable shaft and a tank; the movable shaft is provided with a shaft body which is in sliding fit with the groove body, and the hinge assembly further comprises a limiting part which limits the shaft body to circumferentially rotate in the groove body;

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 propping against the inner wall of the first track groove so as to limit the shaft body to circumferentially rotate in the first track groove; when the shaft body moves in the second track groove, the second limiting part is used for propping against the inner wall of the second track groove to limit the shaft body to circumferentially rotate in the second track groove.

Further, 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 distributed along the circumferential direction of the shaft body.

Further, two first limiting parts are arranged on two opposite sides of the shaft body, and when the first track groove slides, the two first limiting parts are opposite to two opposite inner wall positions of the first track groove respectively;

The two second limiting parts are arranged on two opposite sides of the shaft body, and when the second track groove slides, the two second limiting parts are opposite to two opposite inner wall positions of the second track groove respectively.

Further, the shaft body is flat and has a length direction and a width direction; the first limiting part and the second limiting part are adjacently arranged along the length direction of the shaft body.

Further, the shaft body comprises an upper shaft section and a lower shaft section which are arranged along the axial direction of the shaft body, the first limiting part is arranged on the outer wall of the upper shaft section, and the second limiting part is arranged on the outer wall of the lower shaft section; the positions of the first limiting part and the second limiting part are staggered.

Further, 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 limiting part is used for propping against the inner wall of the first upper groove body, and the first lower groove body is in clearance fit with the lower shaft section;

the second track groove comprises a second upper groove body and a second lower groove body, and when the lower shaft section slides along the second track groove, the second limiting part is used for propping against the inner wall of the second lower groove body, and the second upper groove body is in clearance fit with the upper shaft section.

Further, the width of the first lower groove body is larger than that of the first upper groove body;

the width of the second upper groove body is larger than that of the second lower groove body.

Further, a first shoulder is formed between the first lower groove body and the first upper groove body, and the first shoulder abuts against the upper end part of the lower shaft section to limit the lower shaft section in the axial direction;

a second shoulder part is arranged between the second lower groove body and the second upper groove body and is used for propping against the lower end part of the upper shaft section so as to limit the upper shaft section in the axial direction.

Further, the first limiting part and the second limiting part are both integrally planar, and the plane where the first limiting part is located and the plane where the second limiting part is located are intersected;

when the first limiting part slides along the first track groove, the sliding direction of the first limiting part is approximately parallel to the plane where the first limiting part is positioned;

when the second limiting part slides along the second track groove, the sliding direction of the second limiting part is approximately parallel to the plane where the second limiting part is located.

Further, the upper shaft section and the lower shaft section are integrally flat and have long shafts and wide shafts, and the extending direction of the long shaft of the upper shaft section is different from that of the long shaft of the lower shaft section;

The upper shaft section comprises arc-shaped walls which are arranged in opposite directions along the extending direction of the long shaft of the upper shaft section, two first limiting parts are arranged, and the two first limiting parts are arranged in opposite directions along the extending direction of the short shaft of the upper shaft section;

the lower shaft section comprises arc-shaped walls which are arranged in opposite directions along the extending direction of the long shaft of the lower shaft section, two second limiting parts are arranged, and the two second limiting parts are arranged in opposite directions along the extending direction of the short shaft of the lower shaft section.

The utility model also discloses refrigeration equipment, which comprises a box body with a containing space, a door body and the hinge component; the door body is pivoted to the box body through the hinge assembly so as to open or close the accommodating space; the box body is provided with a box side wall and a box front wall;

in the process of opening the door body, the shaft body sequentially moves in the first track groove and the second track groove; and the door body moves relatively in a direction away from the front wall of the box and away from the side wall of the box when the shaft body moves along the first track groove.

Further, the hinge assembly is further provided with 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 integrally arc-shaped and is integrally arranged in an extending way in a direction gradually away from the front wall of the box and away from the side wall of the box when the door body is closed;

the second track groove is integrally arc-shaped, and when the door body is closed, the second track groove is integrally arranged in an extending mode in a direction gradually away from the front wall of the box and close to the side wall of the box.

Further, the hinge assembly is further provided with 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 integrally arc-shaped and is integrally extended towards the direction gradually approaching the front wall and the side wall of the box in the closed state of the door body;

the second track groove is integrally arc-shaped and extends in a direction gradually far away from the front wall of the box and gradually close to the side wall of the box in the closed state of the door body.

Further, the refrigeration equipment is a refrigerator.

Compared with the prior art, the hinge assembly has the advantages that the movement of the door body applying the hinge assembly in the opening process is realized through the single shaft arrangement, and the circumferential rotation of the shaft body is limited when sliding in different grooves through the different limiting parts arranged on the shaft body, so that the hinge assembly can be compactly arranged on the premise of better realizing the movement control of the door body.

Drawings

Fig. 1 is a schematic view showing a structure of a refrigeration apparatus according to a first embodiment of the present utility model in a closed state of a door body;

fig. 2 is a schematic structural view of a refrigeration apparatus according to a first embodiment of the present utility model when a door body is opened to a first angle;

fig. 3 is a schematic structural view of a refrigeration apparatus according to a first embodiment of the present utility model when the door body is opened to a second angle;

fig. 4 is a schematic view showing a mounting structure of a movable shaft in a refrigeration apparatus according to a first embodiment of the present utility model;

FIG. 5 is a top view of FIG. 4;

fig. 6 is a schematic view of the structure of a tank in the refrigeration apparatus according to the first embodiment of the present utility model;

fig. 7 is a schematic view of a refrigeration apparatus according to a second embodiment of the present utility model when the door is closed;

fig. 8 is a schematic view showing an installation structure of a hinge assembly of a refrigeration apparatus according to a second embodiment of the present utility model when a door body is closed;

fig. 9 is a front view of fig. 8;

FIG. 10 is a cross-sectional view taken along the direction AA in FIG. 9;

FIG. 11 is a partial enlarged view at B in FIG. 10;

fig. 12 is a schematic view showing an installation structure of a hinge assembly of the refrigeration apparatus according to the second embodiment of the present utility model when the door body is opened to a maximum angle;

fig. 13 is a schematic view showing a mounting structure of a hinge assembly in a refrigeration appliance according to a second embodiment of the present utility model;

Fig. 14 is a schematic view of the structure of a tank in a refrigeration apparatus according to a second embodiment of the present utility model;

fig. 15 is a schematic view showing the structure of a movable shaft in a refrigeration appliance according to a second embodiment of the present utility model;

fig. 16 is a schematic view showing the structure of a refrigeration apparatus according to a third embodiment of the present utility model when a door body is closed;

fig. 17 is a schematic structural view of a refrigeration apparatus according to a third embodiment of the present utility model when the door body is opened to a first opening angle;

fig. 18 is a schematic view showing an installation structure of a hinge assembly of the refrigeration apparatus according to the third embodiment of the present utility model when the door body is opened to the first opening angle;

fig. 19 is a schematic view of a structure of a refrigeration apparatus according to a third embodiment of the present utility model when the door body is opened to a second opening angle;

fig. 20 is a schematic view showing an installation structure of a hinge assembly of the refrigeration apparatus according to the third embodiment of the present utility model when the door body is opened to the second opening angle;

fig. 21 is a schematic view showing a mounting structure of a movable shaft in a refrigeration apparatus according to a third embodiment of the present utility model;

fig. 22 is a first structural schematic view of a movable shaft in a refrigeration appliance according to a third embodiment of the present utility model;

fig. 23 is a second structural schematic view of a movable shaft in a refrigeration appliance according to a third embodiment of the present utility model;

Fig. 24 is a first schematic view showing a structure in which a tank is provided on a door in a refrigeration apparatus according to a third embodiment of the present utility model;

FIG. 25 is a top view of FIG. 24;

fig. 26 is a second schematic view of the structure of a tank body provided on a door body in a refrigeration apparatus according to a third embodiment of the present utility model;

FIG. 27 is a bottom view of FIG. 25;

FIG. 28 is a schematic view showing the structure of the upper shaft section sliding in the first track groove in the refrigeration apparatus according to the third embodiment of the present utility model;

fig. 29 is a schematic view showing a structure in which a lower shaft section slides in a second track groove in a refrigeration apparatus according to a third embodiment of the present utility model;

description of the drawings: 1-box, 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-mounting portion, 313-upper limit plate, 314-lower limit 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-limit portion, 331-first limit portion, 332-second limit portion, 34-hinge plate.

Detailed Description

The present utility model will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the utility model and structural, methodological, or functional modifications of these embodiments that may be made by one of ordinary skill in the art are included within the scope of the utility model.

An embodiment of the present utility model provides a refrigeration appliance including a housing that may be embedded in an external environmental member, such as a decorative member, a rock board, or a cabinet, as well as other household appliances embedded in the external environmental member.

As shown in fig. 1 to 4 in the present embodiment, the refrigeration apparatus includes a cabinet 1 for providing an internal accommodating space, a door 2 and a hinge assembly 3, the door 2 being pivoted to the cabinet 1 by the hinge assembly 3 to open or close the accommodating space;

the case 1 in this embodiment has a case front wall 11 and a case side wall 12 provided perpendicularly to the case front wall 11, and the case front wall 11 and the case side wall 12 in this embodiment are substantially planar. On the front wall 11 of the box, which is provided with the opening of the accommodating space, the door body 2 is integrally positioned at the front side of the box body 1, and when the door body 2 is in a closed state, the opening of the accommodating space is closed, and the front side is the opening direction of the accommodating space.

The door body 2 further has a door front wall 21 and a door side wall 22, and a door outer edge 23 is formed at an intersection of the door front wall 21 and the door side wall 22, and the door front wall 21 is disposed on a side of the door body 2 facing away from the box front wall when the door body 2 is in a closed state, i.e., when the door body 2 covers the opening of the storage space 10. In this embodiment, the door front wall 21 is entirely planar, and the door front wall 21 is substantially parallel to the box front wall 11 when the door body 2 is in the closed state.

The tank 1 is arranged beside the external environment member, and after the tank 1 is put in place, the tank side wall 22 faces the first side of the external environment member, i.e. the tank side wall 22 is positioned opposite to the first side of the external environment member, and the tank side wall 22 is substantially parallel to the first side of the external environment member.

In the closed state of the door body 2, the door side wall 22 also faces the first side of the external environment member, the door side wall 22 being located opposite to the first side, the door side wall 22 being entirely planar in this embodiment, and the door side wall 22 being substantially parallel to the first side of the external environment member.

In this embodiment, the door front wall 21 and the door side wall 22 are both substantially planar, and in the closed state of the door body 2, the door front wall 21 is parallel to the box front wall 11, and the plane of the door side wall 22 is parallel to the plane of the box side wall 12. Of course, in other embodiments, the door front wall 21 and the door side wall 22 may be curved or arcuate.

In this embodiment, as shown in fig. 1 to 23, the hinge assembly 3 includes a movable shaft 31 and a groove 32; the movable shaft 31 is provided with a shaft body 311 which is in sliding fit with the groove body 32, and the hinge assembly 3 further comprises a limiting part 33 which limits the shaft body 311 to circumferentially rotate in the groove body 32;

the slot body 32 includes a first track slot 321 and a second track slot 322; the shaft body 31 moves in the first track groove 321 and the second track groove 322 in sequence;

the limiting part 33 includes a first limiting part 331 and a second limiting part 332 provided on the shaft body 311;

when the shaft body 311 slides along the first track groove 321, the first limiting portion 331 is configured to abut against an inner wall of the first track groove 321 to limit the shaft body 311 from rotating circumferentially 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 for abutting against the inner wall of the second track groove 322 to limit the shaft body 311 to circumferentially rotate in the second track groove 322.

In this embodiment, in the process of opening the door body 2, the first shaft body 311 slides along the first track groove 321 to realize the preliminary movement of the door body 2, and then, along with the further opening of the door body 2, the shaft body 311 slides along the second track groove 321, and 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 track groove 321, and meanwhile, the shaft body 311 is prevented from rotating in the circumferential direction in the second track groove 322.

When the shaft body 311 rotates circumferentially in the first track groove 321 or the second track groove 322, the door body 2 rotates synchronously, the door outer edge 23 can be interfered by external environment parts due to early rotation of the door body 2 in the first track groove 321, and the difficulty of opening control of the door body 2 can be increased when the door body 2 rotates in the groove body 32, so that the position of the door body 2 is uncontrollable in the opening process, thereby causing confusion of the opening position of the door body 2 and affecting the closing of the door body 2. In this embodiment, the limiting portion 33 is configured to enable the door body 2 to slide along the groove body 32 in the opening process without generating relative circumferential rotation with the groove body 32, so that the door body 2 is prevented from interfering with the external environment in the initial opening stage, and the opening process of the door body 2 is also more controllable.

The first track groove 321 and the second track groove 322 respectively adopt different limiting parts to limit the circumferential rotation of the shaft body 311, so that the groove body 32 is narrower, the groove body 32 occupies less space, and the thickness of the door body 2 can be reduced when the groove body is arranged on the door body 2.

In a specific embodiment, as shown in fig. 1 to 4, the first track groove 321 is integrally elongated, and the extending shape of the first track groove 321 may be a straight line or a curved line, and in this embodiment, in order to better implement the movement of the position of the door body 2, the first track groove 321 is integrally curved and extends.

The second track groove 322 is integrally formed in a long strip shape, and the second track groove 322 may be formed in a straight line or a curved line, and in this embodiment, in order to better realize the movement of the door 2, the second track groove 322 is integrally formed in a curved line.

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. The first track groove 321 is disposed to intersect with the second track groove 322.

The movable shaft 31 is provided in various ways, and will be described below by taking exemplary two kinds of movable shafts 31 as examples:

for the first hinge assembly, as shown in fig. 1 to 15, 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.

The first limiting portion 331 and the second limiting portion 332 are both integrally planar, and include an abutment surface for abutting against the inner wall of the groove 32, and the first limiting portion 331 and the second limiting portion 332 are disposed in parallel along the circumferential direction of the shaft body 311.

When the first limiting portion 331 slides in the first track groove 321, the first limiting portion 331 which is entirely planar can abut against the inner wall of the first track groove 321, so as to limit the relative rotation between 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 entirely planar, can abut against the inner wall of the second track groove 322, so as to limit the relative rotation between the shaft body 311 and the second track groove 322 in the circumferential direction.

As shown in fig. 4-5 and 15, the first limiting portion 331 is oriented in a direction different from that of the second limiting portion 322, and the first limiting portion 331 and the second limiting portion 322 are disposed to intersect each other, and are disposed adjacent to each other so as to form a protruding portion protruding relatively outward therebetween.

In the above description, the first limiting portion 331 and the second limiting portion 332 are both integrally planar, and of course, it is understood that, in order to better match the inner wall of the first track groove 321, when the whole first track groove 321 is arranged in a curved extending manner, the abutting surface of the first limiting portion 331 is also a curved surface arranged on the outer wall of the shaft body 311, and the curved surface of the first limiting portion 331 is matched with the curved surface of the inner wall of the first track groove 321. In a specific embodiment, the whole curve formed by intersecting the curved surface and the cross section of the shaft body can be arc-shaped. Correspondingly, the second limiting portion 332 also has similar structural features as the first limiting portion 331, and will not be described herein.

The first limiting portions 331 may be provided with one or two, and when the first limiting portions 331 are provided with one, this is equivalent to cutting off a portion of the shaft body 311 on the shaft body 311 that is originally cylindrical as a whole in an axial direction parallel to the shaft body 311 to form a limiting surface, where the limiting surface is used for being abutted against the inner wall of the first track groove 321. Accordingly, the second stopper 332 has a similar structure to the first stopper 331.

In the present embodiment, as shown in fig. 4-5 and 15, two first limiting portions 331 may be provided, and the two first limiting portions 331 are symmetrically arranged about the central axis of the shaft body 311 as a symmetry point. The two second limiting portions 332 are also provided, and the two second limiting portions 332 are arranged in a central symmetry manner by taking the central axis of the shaft body 311 as a symmetry point.

The shaft body 311 is flat, the cross section of the shaft body 311 is provided with a length direction and a width direction, the first limiting part 331 and the second limiting part 332 which are adjacently arranged along the length direction of the shaft body 311, and the protruding part formed by the first limiting part 331 and the second limiting part 332 in a surrounding manner faces the width direction of the shaft body 311. The adjacent first and second spacing portions 331, 332 may be provided as a set of spacing portion assemblies. Two groups of limiting part components are arranged on the shaft body 311, and the two groups of limiting part components are arranged in a central symmetry manner by taking the central axis of the shaft body 311 as a symmetry point.

The first limiting portion 331 and the second limiting portion 332 have the same size, so that the two sets of limiting portion components are symmetrically arranged, and the cross section of the shaft body 311 is diamond-shaped as a whole. The shaft body 311 is flat as a whole and has a length direction and a width direction, and a pair of stopper members are arranged along the width direction of the shaft body 311.

The first track groove 321 has two inner walls disposed opposite to each other in a direction perpendicular to an extending 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 opposite inner wall positions of the first track groove 321. When at least one first limiting part 331 abuts against the inner wall of the first track groove 321 in the sliding process of the shaft body 311, limiting of rotation of the shaft body 311 in the circumferential direction in the first track groove 321 can be achieved. The two first limiting portions 331 are limited between the two inner walls, so that the shaft body 311 can only slide along the extending direction of the first track groove 321 and cannot rotate.

Accordingly, the second track groove 322 has two inner walls disposed opposite to each other in a direction perpendicular to an extending direction of the second track groove 322. When the shaft body 311 slides along the second track groove 322, the two second limiting portions 332 are respectively opposite to the two opposite inner wall positions of the second track groove 322. When at least one second limiting part 332 abuts against the inner wall of the second track groove 322 in the sliding process of the shaft body 311, the limiting of the rotation of the shaft body 311 in the circumferential direction in the second track groove 322 can be realized. The two second limiting portions 332 are limited between the two inner walls, so that the shaft body 311 can only slide along the extending direction of the second track groove 322 and cannot rotate.

In a specific embodiment, the movable shaft 31 may be provided on the door body 2 or on the case body 1. As shown in fig. 1 to 5, when the movable shaft 31 is disposed on the case 1, the groove 32 is correspondingly disposed on the door 2; as shown in fig. 6 to 15, when the movable shaft 31 is provided on the door body 2, the groove body 32 is correspondingly provided on the case body 1.

As shown in fig. 1 to 5, when the movable shaft 31 is disposed on the case 1, in order to facilitate the disposition of the movable shaft 31, the hinge assembly 3 further has a hinge plate 34 disposed on the case 1, the movable shaft 31 has a mounting portion 312 fixed to the hinge plate 34, and the shaft body 311 and the mounting portion 312 are arranged in the axial direction of the shaft body 311.

The cell body 32 is directly set up on the door body 2, and the bottom or the top of the door body 2 directly forms up or the groove that opening set up down, and the axis body 311 location is in the groove, and the installation of the door body 2 on box 1 of realization that like this structure is fixed be convenient for the loading or the dismantlement of the door body 2 of more convenient.

As shown in fig. 1, when the door body 2 is in the closed state, the shaft body 311 is located at the start end of the first track groove 321, and the shaft body 311 slides relatively along the first track groove 321 from the start end to the end during the opening process of the door body 2. In the closed state of the door body 2, the start and the end of the first trajectory groove 321 are located close to the door front wall 21 and relatively far from the door side wall 22, and the start and the end of the first trajectory groove 321 are located further from the box front wall 11 and the box side wall 12 than the end of the first trajectory groove 321.

When the door 2 is in the closed state, the entire first trajectory groove 321 is extended in a direction gradually approaching the tank front wall 11 and the tank side wall 12, that is, in a direction in which the first trajectory groove 321 extends, that is, in a direction from the start end to the end of the first trajectory groove 321.

The first trajectory groove 321 is provided such that the door body 2 as a whole has a movement tendency to move relatively in a direction away from the tank side wall 12 and away from the tank front wall 11 during the opening of the door body 2. Taking the door body 2 as a reference, the shaft body 313 has a motion component that gradually moves relatively toward away from the door front wall 21 and toward the door side wall 22.

In the initial stage of opening the in-process, door outer edge 23 and door inner edge 24 are located the position of leaving axis body 311 with each other, in order to avoid door outer edge 23 to receive the influence of the interference of external environment spare and avoid door inner edge 24 to receive the influence of the interference of box 1, first orbit groove 321 is whole to extend the setting towards door inner edge 24 place, and the structure setting makes door body 2 in the opening process like this, and door body 2 is whole to be pulled out along the slant direction slant, after door body 2 removes a position of being convenient for rotatory opening, and then realizes subsequent rotation again.

As shown in fig. 1 and 6, the first track groove 321 is integrally provided with a curved extending portion, the first track groove 321 includes a first groove section and a second groove section sequentially provided along the extending 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.

In the opening process of the door body 2, along with the increase of the opening angle of the door body 2, the shaft body 311 slides along the first groove section and the second groove section in sequence. The first groove section and the second groove section are not clearly defined, and only the sliding process of the shaft body 311 in the first track groove 321 is indicated.

When the first groove section slides, the movement amplitude of the shaft body 311 on the side wall 22 relatively far away from the door front wall 21 is larger than that of the shaft body 311 on the side wall 22 relatively close to the door; the door 2 moves relatively far from the front wall 11 of the box to a greater extent than the door 2 moves relatively far from the side wall 12 of the box.

When the first slot section is moved, the door body 2 is more prone to move in a direction away from the case 1 than to move away from the external environmental member. I.e. the door body 2 is more prone to move forward than to move inward. Here, the front means that the door body 2 moves away from the case 1, and inward movement means that the door body 2 moves away from the external environment.

When the second groove section slides, the movement amplitude of the shaft body 311 on the side wall 22 relatively far away from the door front wall 21 is smaller than that of the shaft body 311 on the side wall 22 relatively close to the door; the extent of movement of the door 2 away from the front wall 11 of the box is less than the extent of movement of the door 2 away from the side wall 12 of the box. I.e. when the second channel section is moved, the door body 2 is more prone to move away from the external environmental element than to move away from the box body 1. I.e. the door body 2 is more prone to move inwards than to move forwards.

The arrangement of the structure enables the whole first track groove 321 to be in arc extension, and the arc formed by the first track groove 321 arches towards the direction deviating from the door outer edge 23, and the whole first track groove 321 is in extension towards the direction gradually approaching the door side wall 22 and gradually separating from the door front wall 21.

The slope of the extending direction of the first slot section is larger than that of the second slot section, and the slope of the extending direction of the first track groove 321 is gradually reduced along the extending direction of the first track groove 321, with the door outer edge 23 as the center, the plane of the door front wall 21 is the x direction, and the plane of the door side wall 22 is the y direction. 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.

While the relative movement of the shaft body 311 throughout the first trajectory groove 321 is relatively gradually extended toward a direction away from the door front wall 21 and toward the door side wall 22, the first groove section is more inclined to be extended toward a direction away from the door front wall 21 and the second groove section is more inclined to be extended toward a direction toward the door side wall 22.

Since the door inner edge 24 is farther from the shaft body 311 in the initial stage of the door opening, more consideration is required to be given to the interference of the door inner edge 24 with the case 1 in the initial stage, and thus more movement of the door body 2 in a direction away from the case 1, that is, movement of the shaft body in a direction away from the door front wall 21 is required.

After opening to a certain angle, more consideration is required for interference of external environmental members, so that the door body 2 is moved more inward, that is, the shaft body 311 is moved more relatively toward the door sidewall 22. The arrangement of the structure can carry out finer control on the opening process of the door body 2 according to the actual requirement in the opening process of the door body 2, and can better avoid the interference of the door body 2 in the opening process.

In the initial stage of opening the door body 2, the door outer edge 23 is gradually moved toward the plane near the side wall 12 of the box, and then, with further opening of the door body 2, the door outer edge 23 is gradually moved toward the plane far from the side wall 12 of the box.

As shown in fig. 2 to 3, 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. In the closed state of the door body 2, the start end of the second trajectory groove 322 is located farther from the door front wall 21 and closer to the door side wall 22 than the end of the second trajectory groove 322, and the start end of the second trajectory groove 322 is located closer to the box front wall 11 and farther from the box side wall 12 than the end of the second trajectory groove 322.

When the door 2 is in the closed state, the second trajectory groove 322 is provided so as to extend gradually away from the tank front wall 11 and gradually toward the tank side wall 12, and the extending direction of the second trajectory groove 322 is the entire direction in which the second trajectory groove 322 moves from the start to the end.

With further opening of the door body 2, the shaft body 311 is slidably disposed along the second track groove 322, and the door body 2 as a whole has a movement tendency to move relatively in a direction away from the tank side wall 12 and away from the tank front wall 11.

As shown in fig. 1 and 6, the second track groove 322 is integrally formed in a curved shape toward the outer edge 23 of the door, and when the shaft body 311 slides in the second track groove 322, the movement amplitude of the shaft body 311 on the front wall 21 of the door is larger than the movement amplitude of the shaft body 311 on the side wall 22 of the door; the extent of movement of the door 2 relatively far from the front wall 11 of the box is less than the extent of movement of the door 2 relatively far from the side wall 12 of the box.

When sliding in the second trajectory groove 322, the door 2 is more inclined to move away from the external environmental piece than to move away from the case 1. I.e. the door body 2 is more prone to move inwards than to move forwards. Here, the front means that the door body 2 moves away from the case 1, and inward movement means that the door body 2 moves away from the external environment.

After the door body is opened to a certain angle, if the door body 2 moves forward to a larger extent, the whole refrigeration equipment is easy to tilt forward, and as the opening angle of the door body 2 is further increased, the plane of the door front wall 21 is easy to be interfered by external environment parts, so that the whole door body 2 moves relatively inwards when moving along the second track groove 322.

The plane of the door front wall 21 is the x direction and the plane of the door side wall 22 is the Y direction, and the included angle between the extending direction of the second track groove 322 and the Y direction is less than 45 degrees.

As shown in fig. 7 to 15, when the movable shaft 31 is disposed on the door body 2, the corresponding slot body 32 is disposed on the case body 1, and in order to facilitate the disposition of the slot body 32 on the case body 1, the hinge assembly further has a hinge plate 34 disposed on the case body 1, the slot body 32 is disposed on the hinge plate 34, the movable shaft 31 has a mounting portion 312 fixedly connected 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.

As shown in fig. 15, the movable shaft 31 is provided with an upper limiting plate 313 and a lower limiting plate 314, the shaft body 311 is disposed between the upper limiting plate 313 and the lower limiting plate 314, the upper limiting plate 313 is used for abutting against the upper side of the hinge plate 34, and the lower limiting plate 314 is used for abutting against the lower side of the hinge plate 34.

The movable shaft 31 is mounted and positioned in the axial direction on the hinge plate 34 by the arrangement of the upper and lower limiting plates 313 and 314 in the axial direction.

The slot 32 is directly provided on the hinge plate 34 and penetrates the hinge plate 34 in the vertical direction, the bottom or top of the door 2 is directly formed with a slot provided upward or downward opening, and the shaft 311 is positioned in the slot.

As shown in fig. 11 and 16, in the closed state of the door 2, the shaft body 311 is positioned at the start end of the first trajectory groove 321, and the start end of the first trajectory groove 321 is positioned closer to the tank side wall 12 and the tank front wall 11 than the end of the first trajectory groove 321. The start of the first trajectory groove 321 is located farther from the door front wall 21 and closer to the door side wall 22 than the end of the first trajectory groove 321.

In order to avoid the influence of the interference of the external environmental member on the door outer edge 23 and the influence of the interference of the case 1 on the door inner edge 24, the first trajectory groove 321 is provided to extend in a direction away from the case side wall 12 and away from the case front wall 11 as a whole. The door body 2 slides relatively along the first track groove 321 during opening, so that the door body 2 as a whole moves relatively in a direction away from the side wall 12 of the box and away from the front wall 11 of the box, that is, the door body 2 moves inward and moves toward the front side.

As shown in fig. 8-14, the first track groove 321 is integrally provided with a curved extension, the first track groove 321 includes a first groove section and a second groove section sequentially provided 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. In the opening process of the door body 2, along with the increase of the opening angle of the door body 2, the shaft body 311 slides along the first groove section and the second groove section in sequence. The first groove section and the second groove section are not clearly defined, and only the sliding process of the shaft body 311 in the first track groove 321 is indicated.

The movement of the shaft body 311 relatively far from the tank side wall 12 is greater than the movement of the shaft body 311 relatively far from the tank front wall 11 when sliding along the first tank section, i.e. the door body 2 tends to move more toward the tank side wall 12 than toward the tank body 1 when moving along the first tank section, i.e. the door body 2 tends to move more toward the external environmental member. That means that the door body 2 is more prone to move inwards than to move forward.

The movement of the shaft 311 relatively far from the tank front wall 11 is relatively larger than the movement of the shaft 311 relatively far from the tank side wall 12 when sliding along the second groove section, i.e. the door 2 tends to move further away from the tank front wall 12 than when moving along the second groove section. I.e. the door body 2 is more prone to move forward than to move inward.

The first track groove 321 is integrally provided with an arc extending arrangement, and an arc formed by the first track groove 321 is arched in a direction deviating from the door outer edge 23, and the first track groove 321 is integrally provided with an arc extending arrangement in a direction gradually deviating from the box side wall 12 and the box front wall 11.

The coordinate system is established by taking the outer edge 23 of the door as the center, the plane of the front wall 21 of the door as the x direction and the plane of the side wall 22 of the door as the y direction, and the slope of the extending direction of the first groove section is smaller than that of the second groove section. The slope of the extending direction of the first track groove gradually increases with the extending direction of the first track groove 321. It should be noted that, since the first track groove 321 is curved as a whole, 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.

In the embodiment in which the shaft body 311 is provided on the door body 2 and the groove body 32 is provided on the case body 1, the door body 2 is further apart from the shaft body 31 than the door inner edge 24 is from the door outer edge 23 in the initial stage of opening. The amplitude of the movement of the door outer edge 23 is thus greater in the initial phase of opening of the door body than in the door inner edge 24, which means that the door outer edge 23 is more susceptible to interference by external environmental elements than in the door inner edge 24.

Thus, when the first channel section is moved, the door body 2 is more prone to move inwardly, i.e. away from the side wall 12 of the box, than the door body 2 is to move away from the front wall 11 of the box, i.e. the door body 2 is more prone to move away from the external environmental element to avoid the door outer edge 23 being affected by interference of the external environmental element.

At the time of the second groove section movement, the door body 2 is more prone to move toward the leading side than the door body 2 is to move toward the direction away from the tank side wall 12, that is, more prone to move toward the direction away from the tank front wall 12, that is, the door body 2 is more prone to move toward the direction away from the tank body 1, so as to avoid the door inner edge 24 from being affected by interference of external environmental pieces. The setting of above-mentioned structure can carry out finer control to the opening process of door body 2 according to the actual need of door body 2 opening in-process, can be better avoid door body 2 to receive the interference in the opening process.

In the initial stage of opening the door body 2, the door outer edge 23 is gradually moved toward the plane near the side wall 12 of the box, and then, with further opening of the door body 2, the door outer edge 23 is gradually moved toward the plane far from the side wall 12 of the box. It should be noted that, in this context, the movement toward or away from the tank side wall 12 refers to the movement toward or away from the plane in which the tank side wall 12 lies. Accordingly, movement elsewhere herein with respect to approaching or moving away from the tank front wall 11 refers to movement closer to or away from the plane in which the tank front wall 11 lies.

As shown in fig. 12, 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. In the closed state of the door body 2, the start end of the second trajectory groove 322 is located farther from the door front wall 21 and closer to the door side wall 22 than the end of the second trajectory groove 322, and the start end of the second trajectory groove 322 is located closer to the box front wall 11 and farther from the box side wall 12 than the end of the second trajectory groove 322.

When the door 2 is in the closed state, the second trajectory groove 322 is provided so as to extend gradually away from the tank front wall 11 and gradually toward the tank side wall 12, and the extending direction of the second trajectory groove 322 is a direction in which the second trajectory groove 322 moves from the start to the end of the second trajectory groove 322.

With further opening of the door body 2, the shaft body 311 is slidably disposed along the second track groove 322, and the door body 2 as a whole has a movement tendency to move relatively toward the direction approaching the side wall 12 of the box and away from the front wall 11 of the box, that is, the door body 2 moves relatively forward and outward.

As shown in fig. 2, the second track groove 322 is integrally formed in a curved line, and when the door body 2 is in a closed state, the second track groove 322 is integrally formed in a curved line toward the door outer edge 23. When the shaft body 311 slides in the second trajectory groove 322, the door body 2 moves relatively farther from the case front wall 11 than the door body 2 moves relatively closer to the case side wall 12.

When sliding in the second trajectory groove 322, the door 2 is more inclined to move away from the case 1 than to move toward the case side wall 12. I.e. the door body 2 is more prone to move forward than to move outward.

When moving in the first track groove 321, the door body 2 is more prone to moving inwards, and when moving in the second track groove 322, the door body 2 moves outwards, so that the accommodating space has a wider opening, and the taking and placing of articles can be conveniently realized after the door body 2 is opened. The door body 2 as a whole is relatively moved in a direction away from the cabinet front wall 11 during the entire movement of the first trajectory groove 321 and the second trajectory groove 322.

In the above embodiment, the first limiting portion 331 and the second limiting portion 332 are disposed on the outer wall of the shaft body 311 in parallel, as shown in fig. 16-18 and fig. 22-23, the shaft body 311 in another embodiment has the following features, the shaft body 311 includes an upper shaft section 3111 and a lower shaft section 3112 disposed along the axial direction of the shaft body 311, the first limiting portion 331 is disposed on the outer wall of the upper shaft section 3111, and the second limiting portion 332 is disposed on the outer wall of the lower shaft section 3112; the positions of the first limiting part 321 and the second limiting part 322 are offset from each other. The offset means that the first limiting portion 311 and the second limiting portion 322 are not located opposite to each other in the axial direction along the upper shaft section 3111.

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

When the first limiting portion 331 and the second limiting portion 332 are both integrally planar, the direction of the plane where the first limiting portion 331 is located is different from the direction of the plane where the second limiting portion 332 is located, and the plane where the first limiting portion 331 is located is intersected with the plane where the second limiting portion 332 is located.

To match the shaft body 311, as shown in fig. 24 to 27, the first track groove 321 includes a first upper groove body 3211 and a first lower groove body 3212; when the upper shaft segment 3111 slides along the first upper groove body 3211, the first limiting portion 331 is used for abutting against an inner wall of the first upper groove body 3211, and the first lower groove body 3212 is in clearance fit with the lower shaft segment 3112; the lower shaft segment 3112 is rotatable within the first lower channel 3212.

As shown in fig. 24-27, the second track groove 322 includes a second upper groove 3221 and a second lower groove 3222, and when the lower shaft segment 3112 slides along the second track groove 322, the second limiting portion 332 is used to abut against an inner wall of the second lower groove 3222, and the second upper groove 3221 is in clearance fit with the upper shaft segment 3111. The upper shaft segment 3111 is rotatable within the second upper channel 3221.

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

A first shoulder portion 3213 is formed between the first lower groove body 3212 and the first upper groove body 3211, and the first shoulder portion 3213 abuts against an upper end portion of the lower shaft section 3112 to limit the lower shaft section 3112 in the axial direction;

a second shoulder 3223 is provided between the second lower groove 3222 and the second upper groove 3221, and the second shoulder 3223 is configured to abut against a lower end portion of the upper shaft segment 3111 to limit the upper shaft segment 3112 in an axial direction.

In this embodiment, the first track groove 321 and the second track groove 322 are all integrally provided in a curved extending manner.

When the first limiting part 331 slides along the first track groove 321, the sliding direction of the first limiting part 331 is substantially parallel to the plane of the first limiting part 331;

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 in which the second limiting portion 332 is located.

As shown in fig. 22-23 and 28, the upper shaft section 3111 and the lower shaft section 3112 are each flat, and the cross sections of the upper shaft section 3111 and the lower shaft section 3112 are each flat and have a long axis 3313 and a wide axis 3314, respectively, and the extending direction of the long axis of the upper shaft section 3111 is different from the extending direction of the long axis of the lower shaft section 3112.

The upper shaft section 3111 includes arc walls disposed opposite to each other along the extending direction of the long shaft of the upper shaft section 3111, and two first limiting portions 331 are disposed opposite to each other along the extending direction of the short shaft of the upper shaft section 3111; the two first limiting portions 331 are symmetrically disposed on the outer wall of the upper shaft section 3111, so that the upper shaft section 3111 is flat as a whole.

As shown in fig. 29, the lower shaft section 3112 includes arc-shaped walls disposed opposite to each other along the extending direction of the long axis of the lower shaft section 3113, and two second limiting portions 332 are disposed opposite to each other along the extending direction of the short axis of the lower shaft section 3112; the two second limiting portions 332 are symmetrically disposed on the outer wall of the lower shaft segment 3112, so that the lower shaft segment 3112 is flat as a whole.

As shown in fig. 28, when the upper shaft section 3111 slides along the first trajectory groove 321, the extending direction of the long axis of the upper shaft section 3111 is the same as the extending direction of the first trajectory groove 321 at the corresponding position;

as shown in fig. 29, the lower shaft section 3112 slides along the second trajectory groove 322, and the extending direction of the long axis of the lower shaft section 3112 is the same as the extending direction of the second trajectory groove 322 at the corresponding position.

When the first track groove 321 and the second track groove 322 are curved, the extending direction of the first track groove 321 at the corresponding position indicates the extending direction of the tangent line of the curve where the first track groove 321 is located. Similarly, the extending direction of the second track groove 322 at the corresponding position is the extending direction of the tangent line of the curve where the second track groove 322 is located.

As for the shaft body 311 of the second structure, in a specific embodiment, the movable shaft having the shaft body 311 may be provided on the door body 2 or may be provided on the case body 1. In the present embodiment, the movable shaft 31 is disposed on the case 1 as described in the embodiment, and the groove 32 is correspondingly disposed on the door 2 when the movable shaft 31 is disposed on the case 1.

In order to facilitate the arrangement of the movable shaft 31, the hinge assembly 3 further has a hinge plate 34 provided on the case 1, and the movable shaft 31 has a mounting portion 312 fixed to the hinge plate 34, and the shaft body 311 and the mounting portion 312 are arranged in the axial direction of the shaft body 311.

The cell body 32 is directly set up on the door body 2, and the bottom or the top of the door body 2 directly forms up or the groove that opening set up down, and the axis body 311 location is in the groove, and the installation of the door body 2 on box 1 of realization that like this structure is fixed be convenient for the loading or the dismantlement of the door body 2 of more convenient.

The extending direction and the structural arrangement of the first track groove 321 are similar to those of the first track groove 321 corresponding to the first movable shaft 31 when arranged on the casing 1. The first trajectory groove 321 corresponding to the first movable shaft 31 is different in that the first trajectory groove 321 is provided with notches of different widths in the penetrating direction thereof in the present embodiment. Likewise, the second track groove 322 has similar characteristics to the first track groove 321, and will not be described again.

In another embodiment of the present utility model, the refrigeration appliance is a refrigerator and is an embedded refrigerator.

The above list of detailed descriptions is only specific to practical embodiments of the present utility model, and they are not intended to limit the scope of the present utility model, and all equivalent embodiments or modifications that do not depart from the spirit of the present utility model should be included in the scope of the present utility model.

Claims (14)

1. A hinge assembly comprising a movable shaft and a slot; the movable shaft is provided with a shaft body which is in sliding fit with the groove body, and the hinge assembly further comprises a limiting part which limits the shaft body to circumferentially rotate in the groove body;

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 propping against the inner wall of the first track groove so as to limit the shaft body to circumferentially rotate in the first track groove; when the shaft body moves in the second track groove, the second limiting part is used for propping against the inner wall of the second track groove to limit the shaft body to circumferentially rotate in the second track groove.

2. The hinge assembly of claim 1, wherein the first and second limiting portions are both disposed on an outer wall of the shaft body and the first and second limiting portions are arranged along a circumferential direction of the shaft body.

3. The hinge assembly according to claim 2, wherein two first limiting portions are provided on opposite sides of the shaft body, and when sliding in the first track groove, the two first limiting portions are opposite to two inner wall positions opposite to the first track groove, respectively;

the two second limiting parts are arranged on two opposite sides of the shaft body, and when the second track groove slides, the two second limiting parts are opposite to two opposite inner wall positions of the second track groove respectively.

4. A hinge assembly according to claim 3, wherein the shaft body is generally flat and has a length direction and a width direction; the first limiting part and the second limiting part are adjacently arranged along the length direction of the shaft body.

5. The hinge assembly of claim 1, wherein the shaft body comprises an upper shaft section and a lower shaft section arranged along an axial direction of the shaft body, the first limiting portion is arranged on an outer wall of the upper shaft section, and the second limiting portion is arranged on an outer wall of the lower shaft section; the positions of the first limiting part and the second limiting part are staggered.

6. The hinge assembly of claim 5, wherein the first track slot comprises a first upper slot body and a first lower slot body; when the upper shaft section slides along the first upper groove body, the first limiting part is used for propping against the inner wall of the first upper groove body, and the first lower groove body is in clearance fit with the lower shaft section;

the second track groove comprises a second upper groove body and a second lower groove body, and when the lower shaft section slides along the second track groove, the second limiting part is used for propping against the inner wall of the second lower groove body, and the second upper groove body is in clearance fit with the upper shaft section.

7. The hinge assembly of claim 6, wherein a width of the first lower channel is greater than a width of the first upper channel;

the width of the second upper groove body is larger than that of the second lower groove body.

8. The hinge assembly of claim 6, wherein a first shoulder is formed between the first lower groove body and the first upper groove body, the first shoulder abutting against an upper end of the lower shaft section to limit the lower shaft section in an axial direction;

a second shoulder part is arranged between the second lower groove body and the second upper groove body and is used for propping against the lower end part of the upper shaft section so as to limit the upper shaft section in the axial direction.

9. The hinge assembly according to claim 5, wherein the first limiting portion and the second limiting portion are each integrally planar, and the plane in which the first limiting portion is located and the plane in which the second limiting portion is located intersect;

when the first limiting part slides along the first track groove, the sliding direction of the first limiting part is approximately parallel to the plane where the first limiting part is positioned;

when the second limiting part slides along the second track groove, the sliding direction of the second limiting part is approximately parallel to the plane where the second limiting part is located.

10. The hinge assembly of claim 5, wherein the upper and lower shaft sections are each generally flat and have a long axis and a wide axis, the upper shaft section long axis extending in a direction different from the direction of extension of the lower shaft section long axis;

the upper shaft section comprises arc-shaped walls which are arranged in opposite directions along the extending direction of the long shaft of the upper shaft section, two first limiting parts are arranged, and the two first limiting parts are arranged in opposite directions along the extending direction of the short shaft of the upper shaft section;

the lower shaft section comprises arc-shaped walls which are arranged in opposite directions along the extending direction of the long shaft of the lower shaft section, two second limiting parts are arranged, and the two second limiting parts are arranged in opposite directions along the extending direction of the short shaft of the lower shaft section.

11. A refrigeration apparatus comprising a cabinet having a receiving space, a door, and a hinge assembly according to any one of claims 1 to 10; the door body is pivoted to the box body through the hinge assembly so as to open or close the accommodating space; the box body is provided with a box side wall and a box front wall;

in the process of opening the door body, the shaft body sequentially moves in the first track groove and the second track groove; and the door body moves relatively in a direction away from the front wall of the box and away from the side wall of the box when the shaft body moves along the first track groove.

12. The refrigeration unit as recited in claim 11 wherein said hinge assembly further has a hinge plate disposed on said housing, said slot being disposed on said hinge plate and said shaft being disposed on said door;

the first track groove is integrally arc-shaped and is integrally arranged in an extending way in a direction gradually away from the front wall of the box and away from the side wall of the box when the door body is closed;

the second track groove is integrally arc-shaped, and when the door body is closed, the second track groove is integrally arranged in an extending mode in a direction gradually away from the front wall of the box and close to the side wall of the box.

13. The refrigeration unit as recited in claim 11 wherein said hinge assembly further has a hinge plate disposed on said housing, said shaft being disposed on said hinge plate, said slot being disposed on said door;

The first track groove is integrally arc-shaped and is integrally extended towards the direction gradually approaching the front wall and the side wall of the box in the closed state of the door body;

the second track groove is integrally arc-shaped and extends in a direction gradually far away from the front wall of the box and gradually close to the side wall of the box in the closed state of the door body.

14. The refrigeration appliance of claim 11 wherein the refrigeration appliance is a refrigerator.