CN116411757A

CN116411757A - Hinge and refrigerating device with same

Info

Publication number: CN116411757A
Application number: CN202210006858.3A
Authority: CN
Inventors: 李康; 夏恩品; 王常志; 董雨峰
Original assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2023-07-11

Abstract

The invention discloses a hinge and a refrigerating device, wherein the hinge comprises: the fixed seat is fixed on the box body and is provided with a first chute and a sliding block which is in sliding connection with the first chute; the movable seat is fixed on the door body, and one end of the movable seat is connected with a hinge shaft; the linkage assembly is arranged between the sliding block and the movable seat, the linkage assembly comprises a telescopic rod group, one end of the telescopic rod group is rotatably connected to the fixed seat, the other end of the telescopic rod group is movably connected to the movable seat, the telescopic rod group is provided with a first non-telescopic state and a second telescopic state, when the telescopic rod group is in the first state, the movable seat can synchronously move along with the sliding block in the process of rotating around the hinge shaft, and when the telescopic rod group is in the second state, the movable seat can rotate around the hinge shaft in situ; the restriction on the opening of the door body is reduced, and the door is convenient for users to use.

Description

Hinge and refrigerating device with same

Technical Field

The invention relates to the technical field of household appliances, in particular to a hinge and a refrigerating device with the hinge.

Background

With the development of society, people have increasingly improved quality of life, and there has been an increasing demand for embedded refrigerators that can be placed in a deep and narrow space (e.g., a cabinet, etc.). However, in the practical use process, due to the influence of the hinge structure of the refrigerator door body and the refrigerator body in the traditional refrigerator, when the refrigerator door body is opened, the side of the refrigerator door body, which is hinged with the refrigerator body, often protrudes out of the side wall of the refrigerator body, when the refrigerator is placed in a deep and narrow space, the refrigerator door body can interfere with the deep and narrow space or other objects placed in the deep and narrow space, so that the opening amplitude of the refrigerator door body is influenced, the surface of the refrigerator door body is damaged, and the attractiveness of the refrigerator door body is influenced.

In order to avoid interference when the door body is opened, the structure of the hinge part connecting the box body and the door body is improved, so that the door body can rotate and generate certain displacement along the preset direction, but the structure of the existing hinge part is very complex, and meanwhile, the door opening angle is limited by the hinge part, so that the opening degree is smaller, and the door is inconvenient for users to use.

In view of the foregoing, there is a need for improvements in existing hinges and refrigeration devices having such hinges to address the above-described problems.

Disclosure of Invention

The invention aims to provide a hinge and a refrigeration device with the hinge.

In order to achieve the above object, the present invention provides a hinge for connecting a door body to a case body; the hinge includes:

the fixed seat is fixed on the box body and is provided with a first chute and a sliding block which is in sliding connection with the first chute;

the movable seat is fixed on the door body, and one end of the movable seat is connected with a hinge shaft;

the linkage assembly is arranged between the sliding block and the movable seat, the linkage assembly comprises a telescopic rod group, one end of the telescopic rod group is rotationally connected to the fixed seat, the other end of the telescopic rod group is movably connected to the movable seat, the telescopic rod group is provided with a first non-telescopic state and a second telescopic state, when the telescopic rod group is in the first state, the movable seat winds the hinge shaft in the process of rotating, the linkage assembly drives the movable seat to synchronously move along with the sliding block, and when the telescopic rod group is in the second state, the movable seat can rotate around the hinge shaft in situ.

As a further improvement of the invention, the telescopic rod group comprises a connecting rod rotatably connected to the fixed seat and a telescopic rod slidingly connected with the connecting rod along the length direction of the connecting rod; the linkage assembly further includes:

one end of the first connecting rod is rotationally connected with the hinge shaft, and the other end of the first connecting rod is rotationally connected with the sliding block;

and one end of the second connecting rod is rotationally connected with the sliding block, and the other end of the second connecting rod is rotationally connected with the connecting rod.

As a further improvement of the invention, one of the telescopic rod and the second connecting rod is provided with a limiting groove, the other one of the telescopic rod and the second connecting rod is provided with a limiting block matched with the limiting groove, and after the linkage assembly drives the sliding block to move to one end of the first sliding groove along a preset direction, the limiting groove is separated from the limiting block, so that the telescopic rod group is in a second state.

As a further improvement of the invention, the movable seat is provided with a second sliding groove extending along the length direction of the movable seat, and the telescopic rod group is movably connected in the second sliding groove.

As a further improvement of the invention, the movable seat is also provided with a yielding groove, the yielding groove is an arc-shaped groove taking the hinge shaft as a circle center, and the telescopic rod group is movably connected in the yielding groove.

As a further improvement of the invention, when the linkage assembly is in a folded state, the movable seat, the telescopic rod group, the first connecting rod and the second connecting rod are in a laminated state.

As a further improvement of the invention, the fixing seat is also provided with a bump, and after the linkage assembly drives the sliding block to move to one end of the first chute along a preset direction, the first connecting rod is propped against the bump so as to limit the rotation of the first connecting rod.

As a further improvement of the invention, the first sliding groove extends along the length direction of the fixed seat, the first sliding groove is provided with an inner end which is close to the outer end of the hinge shaft and far away from the hinge shaft, and when the telescopic rod group is in the first state, the linkage assembly drives the sliding block to move inwards from the outer end and drives the movable seat to move inwards in the same direction in the process that the movable seat rotates around the hinge shaft.

As a further improvement of the invention, the movable seat is provided with a butt column for butt joint with the door body.

In order to achieve the aim of the invention, the invention also provides a refrigerating device which comprises a box body, a door body and the hinge.

Compared with the prior art, the invention has the beneficial effects that: according to the hinge, the linkage assembly in the hinge is provided with the telescopic rod group, and after the door is opened until the telescopic rod group is in the telescopic second state, the door body can freely rotate around the hinge shaft, so that the limitation on the opening of the door body is reduced, and the door is convenient for a user to use.

Drawings

Fig. 1 is a schematic structural view of a hinge in a first embodiment of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a schematic view of the hinge of FIG. 1 with the movable seat opened (the telescopic rod assembly in a first state);

FIG. 4 is a schematic view of the hinge of FIG. 1 with the movable seat opened (the telescopic rod assembly in a second state);

fig. 5 is a schematic structural view of a hinge in a second embodiment of the present invention;

fig. 6 is a schematic structural view of a refrigerating apparatus according to the present invention.

Detailed Description

The present invention will be described in detail with reference to the specific embodiments shown in fig. 1 to 6. These embodiments are not intended to limit the invention 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 invention.

The terminology used herein to represent spatially relative positions is for convenience in description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The term spatially relative position may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Referring to fig. 1 to 4, a hinge 10 according to a first embodiment of the present invention is shown, the hinge 10 is used to connect a door body to a box body, in this embodiment, the hinge 10 is used in a vertical refrigerator, and a door body of the refrigerator is specifically described by taking a left-right door opening as an example.

It should be emphasized that the hinge 10 of the present embodiment is applicable not only to refrigerators, but also to other scenes, such as cabinets, sideboards, and wardrobes, and the present invention is described by way of example only, but not limitation, in which the hinge 10 is applied to refrigerators.

The hinge 10 comprises a fixed seat 1 fixed on the box body, a movable seat 2 fixed on the door body and a linkage assembly 3. The fixed seat 1 is provided with a first chute 11 and a sliding block 12 which is in sliding connection with the first chute 11. The movable seat 2 has a hinge shaft 21 thereon, and the movable seat 2 is rotatable about the hinge shaft 21, so that a door body fixed to the movable seat 2 is rotatable about the hinge shaft 21 to open or close the case. The linkage assembly 3 is arranged between the sliding block 12 and the movable seat 2 to link the movable seat 2 and the sliding block 12.

Specifically, the movable base 2 has a linked state in which it moves in synchronization with the slider 12 while rotating about the hinge shaft 21, and a non-linked state in which it rotates only about the hinge shaft 21. When the movable seat 2 and the sliding block 12 are in a linkage state, and the movable seat 2 rotates around the hinge shaft 21 to be opened, the linkage assembly 3 drives the movable seat 2 to move along with the sliding block 12 for a preset distance; when the movable seat 2 and the sliding block 12 are in a non-linkage state, the movable seat 2 can freely rotate around the hinge shaft 21 in situ, and the movement track of the door body can be controlled.

It will be appreciated that the direction and the preset distance in which the linkage assembly 3 drives the movable base 2 to move are related to the moving direction and the moving distance of the slider 12. The extending direction of the first sliding groove 11, the moving direction of the sliding block 12, and the length of the first sliding groove 11 can be designed according to specific requirements. For example, when the door body is to be moved inward toward the inner side away from the opening side to prevent the door body from colliding with the wall/cabinet on the opening side when the door body is opened, the first slide groove 11 may be designed to extend in a direction perpendicular to the wall/cabinet on the opening side (the longitudinal direction of the fixing base 1 is extended), and the slide block 12 may be designed to move in a direction away from the wall/cabinet on the opening side along the first slide groove 11 when the door is opened. To increase the opening of the door by moving the door outward away from the opening side when the door is opened, the first sliding chute 11 may be designed to extend in a direction perpendicular to the opening side wall/cabinet (the longitudinal direction of the fixing base 1), and the sliding block 12 may be designed to move in a direction along the opening side wall/cabinet along the first sliding chute 11 when the door is opened.

In this embodiment, the first sliding groove 11 extends along the length direction of the fixed seat 1, which defines that one end of the first sliding groove 11, which is close to the hinge shaft 21, is an outer end, and one end, which is far away from the hinge shaft 21, is an inner end, when the movable seat 2 and the sliding block 12 are in a linkage state, and when the movable seat 2 rotates around the hinge shaft 21 to be far away from the fixed seat 1, the sliding block 12 moves from the outer end to the inner end along the first sliding groove 11, so as to drive the door body to move inwards, that is, the door body moves a preset distance while rotating and opening, so that collision between the door body and a wall body or a cabinet body on the opening side can be prevented. Of course, it is not limited to this, and in other embodiments, the movable seat 2 and the sliding block 12 may be set in a linkage state, and when the movable seat 2 rotates around the hinge shaft 21 to open in a direction away from the fixed seat 1, the sliding block 12 moves from the inner end to the outer end along the first chute 11, so as to drive the door body to move outwards, that is, the door body rotates to open and moves outwards by a preset distance, so that an opening angle of the door body can be enlarged, and a user is more facilitated to view articles in the refrigerator.

Specifically, the preset distance that the linkage assembly 3 drives the door body to move may be adjusted by adjusting the length of the first chute 11.

The term "outside" refers to the outside of the refrigerator, and the term "inside" refers to the orientation defined with respect to the outside.

It can be understood that, when the hinge 10 is applied to a refrigerator with a left or right door, the length direction of the fixing base 1 is the left or right direction, and the outer end is the end of the first chute 11 corresponding to the opening side of the door body. When the hinge 10 is applied to a refrigerator with a vertically opened door, the length direction of the fixing base 1 is the vertical direction, and the outer end is the end of the first chute 11 corresponding to the opening side of the door body.

Specifically, the fixing base 1 includes a first plate 13 for fixing to a box body, and a connecting plate 14 vertically disposed on the first plate 13, and the first chute 11 is disposed on the connecting plate 14.

The first plate 13 is fixed to a side of the case facing the door so that the connection plate 14 protrudes toward the door.

It will be appreciated that the position of the first chute 11 is set according to the positional relationship between the connection plate 14 and the door body, that is, the first chute 11 is disposed at the side of the first plate 13 corresponding to the door body. For example, when the hinge 10 is mounted at the bottom of the vertical refrigerator and the door body is opened in the left-right direction, the door body is positioned at the upper side of the hinge 10, and thus the first chute 11 is provided on the upper surface of the connection plate 14.

Further, the linkage assembly 3 has a folded state and an open state, when the movable seat 2 and the sliding block 12 are in the linkage state, the movable seat 2 rotates around the hinge shaft 21 in a direction away from the fixed seat 1 to be opened, and the linkage assembly 3 is switched from the folded state to the open state to drive the sliding block 12 to move along the sliding groove, and meanwhile, the movable seat 2 is driven to move along with the sliding block 12.

In this embodiment, when the linkage assembly 3 is in the folded state, the door body is in the closed state, at this time, the movable seat 2 and the slider 12 are in the linked state, and when the door body is opened, the movable seat 2 rotates around the hinge shaft 21 in a direction away from the fixed seat 1, and meanwhile, the linkage assembly 3 is switched from the folded state to the opened state, that is, when the door body is opened, the door body rotates around the hinge shaft 21 and moves synchronously with the slider 12 while moving inwards, so as to prevent collision with the wall/cabinet body on the opening side during the opening process of the door body.

In one embodiment, the linkage assembly 3 includes a first link 31, a telescopic link group 32, and a second link 33, where the first link 31, the telescopic link group 32, the second link 33, and the movable seat 2 form a four-link structure, so as to implement linkage between the slider 12 and the movable seat 2.

Specifically, one end of the first link 31 is rotatably connected with the hinge shaft 21, the other end is rotatably connected with the slider 12, one end of the telescopic link group 32 is rotatably connected with one end of the fixed seat 1 corresponding to the inner end, the other end is movably connected with the movable seat 2, one end of the second link 33 is rotatably connected with the slider 12, the other end is rotatably connected with the telescopic link group 32, and when the linkage assembly 3 is in a folded state, the first link 31, the telescopic link group 32, the second link 33 and the movable seat 2 are in a laminated state.

In the door opening process, when the door body drives the movable seat 2 to rotate around the hinge shaft 21, the linkage assembly 3 drives the sliding block 12 to move towards the inner end and drives the movable seat 2 to move inwards, so that the door body moves inwards, and the door body is prevented from colliding with a wall or a cabinet body at the opening side when the door is opened.

In one embodiment, the first link 31 and the second link 33 are rotatably connected to the slider 12 through the same rotation shaft. Of course, this is not a limitation.

In an embodiment, the movable seat 2 is provided with a second sliding groove 22 extending along a length direction thereof, the telescopic rod set 32 is provided with a first rotating shaft 321 matched with the second sliding groove 22, and the telescopic rod set 32 is movably connected to the movable seat 2 through the matching between the first rotating shaft 321 and the second sliding groove 22. In the door opening process, when the movable seat 2 and the sliding block 12 are in a linkage state, the movable seat 2 continues to rotate around the hinge shaft 21 to further open the door body, the linkage assembly 3 drives the sliding block 12 to move towards the inner end, and the first rotating shaft 321 moves towards one end, close to the hinge shaft 21, of the second sliding groove 22 along the second sliding groove 22, so that the rotating angle of the door body in the process of driving the door body to move inwards by the sliding block 12 can be reduced, and the moving stability of the door body is enhanced. Of course, the first shaft 321 may be, but not limited to, only rotatably connected to the movable seat 2 in other embodiments.

Further, in this embodiment, the telescopic rod group 32 includes a connecting rod 322 rotatably connected to the fixing base 1, and a telescopic rod 323 slidably connected to the connecting rod 322 along the length direction of the connecting rod 322, and the second connecting rod 33 is rotatably connected to the connecting rod 322.

The telescopic rod set 32 has a first non-telescopic state and a second telescopic state, when the telescopic rod set 32 is in the first state, the telescopic rod 323 and the connecting rod 322 cannot move relatively, the movable seat 2 and the sliding block 12 can be in a linkage state, and the linkage assembly 3 drives the movable seat 2 to move synchronously along with the sliding block 12 in the process that the movable seat 2 rotates around the hinge shaft 21; when the telescopic rod 323 is in the second state, the telescopic rod 323 can move telescopically relative to the connecting rod 322, and the movable seat 2 and the sliding block 12 are in an unlink state, that is, the movable seat 2 can rotate around the hinge shaft 21 in situ.

Specifically, in this embodiment, after the door is opened until the slider 12 moves to the inner end of the first chute 11, the telescopic rod set 32 is switched from the first state to the second state, that is, the telescopic rod set 32 is in the first state and then in the second state during the rotation of the movable seat 2 about the hinge shaft 21 in the direction away from the fixed seat 1. After the door body moves inwards, the telescopic rod set 32 is switched from the first state to the second state, and the movable seat 2 can freely rotate around the hinge shaft 21 in situ, that is, the door body can freely rotate around the hinge shaft 21 in situ, so as to further open the door body, thereby facilitating the user to take out objects. It can be appreciated that, in the embodiment where the linkage assembly 3 includes the telescopic rod set 32, the second chute 22 provided on the movable seat 2 can increase the opening of the door body, so as to facilitate the user to take out objects.

In one embodiment, one of the telescopic rod 323 and the second link 33 is provided with a limiting groove 3231, the other one is provided with a limiting block 331 matched with the limiting groove 3231, when the limiting block 331 is located in the limiting groove 3231, the telescopic rod 323 is in a first state, and after the limiting block 331 is separated from the limiting groove 3231, the telescopic rod 323 is in a second state.

Specifically, the limiting slot 3231 is an arc slot with a center of rotation between the second link 33 and the telescopic rod group 32 as a center, when the linkage assembly 3 is switched from the folded state to the open state, the limiting block 331 and the limiting slot 3231 move relatively, after the sliding block 12 moves to the inner end of the first sliding slot 11, the limiting block 331 is separated from the limiting slot 3231, so that the telescopic rod group 32 is in the second state, and the movable seat 2 can freely rotate around the hinge shaft 21 in situ, that is, the door body can freely rotate around the hinge shaft 21 in situ, so as to further open the door body, thereby facilitating the user to take the object.

It can be appreciated that, on the one hand, the cooperation between the limiting groove 3231 and the limiting block 331 can enable the telescopic rod 323 to be in the first state, so that the movable seat 2 and the sliding block 12 can be in a linkage state; on the other hand, the stability of the relative movement between the first rotation shaft 321 and the second chute 22 can be enhanced, and the stability of the hinge 10 can be enhanced.

Further, the fixing base 1 is further provided with a bump 15, the bump 15 and the first chute 11 are disposed on the same side of the connecting plate 14, and after the linkage assembly 3 drives the slider 12 to move to the inner end, the first link 31 abuts against the bump 15 to limit the rotation of the first link 31, so that the stability of the door body in-situ free rotation around the hinge shaft 21 can be enhanced.

Further, the hinge 10 further includes a docking post 5 disposed on the movable seat 2 for fixing the movable seat 2 and the door body relatively, so as to achieve docking of corresponding structures on the door body, and fix the movable seat 2 on the door body.

Further, referring to fig. 6, the present invention further provides a refrigeration device 100, where the refrigeration device 100 includes a case 20, a door 30 for opening and closing the case 20, and a hinge 10, and the hinge 10 is used for connecting the case 20 and the door 30.

The hinge 10 is the hinge 10 in the first embodiment of the present invention, and will not be described herein.

In the present embodiment, the refrigerating apparatus 100 is a vertical refrigerator having a left-right door. Of course, it should be emphasized that the refrigerating apparatus 100 may be a vertical refrigerator or a horizontal refrigerator with a vertically opened door.

Next, a door opening and closing process of the refrigerating apparatus 100 having the hinge 10 will be described:

when the door body 30 in a closed state is opened, the door body 30 rotates around the hinge shaft 21 in a direction away from the box body 20 and moves with the sliding block 12 for a preset distance under the action of the linkage assembly 3;

after the door body 30 is moved inwards, the door body 30 can freely rotate around the hinge shaft 21 in situ;

when the door body 30 in the opened state is closed, the door body 30 rotates around the hinge shaft 21 in situ to the direction of the box body 20 until the movable seat 2 and the sliding block 12 are in a linkage state;

after the door is closed until the movable seat 2 and the sliding block 12 are in a linkage state, the door body 30 rotates around the hinge shaft 21 in a direction approaching the box body 20, and simultaneously moves along with the sliding block 12 by a preset distance under the action of the linkage assembly 3, and then the door body 30 is in a closed state.

It can be understood that the preset distance of the inner movement and the preset distance of the outer movement of the door body 30 can be preset by adjusting the length of the first chute 11.

The above-mentioned inward movement of the door body 30 is completed, that is, the slider 12 is moved to the inner end, and the telescopic rod group 32 is in the second state.

The above-mentioned closing of the door to the movable seat 2 and the sliding block 12 are in a linkage state, that is, the closing of the door to the telescopic rod set 32 is switched from the second state to the first state, and at this time, the movable seat 2 and the sliding block 12 are in a linkage state.

Referring to fig. 5, a hinge 10a according to a second embodiment of the present invention is shown, for convenience of description, the structures of the second embodiment that are similar or identical to those of the first embodiment are the same or similar numbered, and the structures of the second embodiment that are identical to those of the first embodiment are not described herein.

The hinge 10a in the second embodiment of the present invention is different from the hinge 10 in the first embodiment in that: the movable seat 2a is further provided with a yielding groove 23, the yielding groove 23 is an arc-shaped groove taking the hinge shaft 21 as a circle center, the first rotating shaft 321 is movably connected in the yielding groove 23, and the movable seat 2a can only rotate around the hinge shaft 21 in situ, namely in a non-linkage state, through the cooperation of the first rotating shaft 321 and the yielding groove 23.

In an embodiment, during the rotation of the movable seat 2a around the hinge shaft 21 in a direction away from the fixed seat 1, the movable seat 2a is in the non-linkage state and then in the linkage state, that is, the first rotating shaft 321 is matched with the yielding slot 23, so that the movable seat 2a only rotates around the hinge shaft 21 in situ, and then the movable seat 2a is switched to the linkage state. Therefore, when the door is opened, the door body 30 can firstly rotate in place around the hinge shaft 21 to a preset angle in a direction away from the box body 20, then rotate and open inwards under the action of the linkage assembly 3, and at the final stage of closing the door, the door body 30 can firstly rotate in place around the hinge shaft 21 to a preset angle in a direction close to the box body 20, so that the door is suitable for the door body 30 with the turnover beam, and the door body 30 can be opened and closed more conveniently.

It will be appreciated that the predetermined angle is determined by the length of the relief groove 23.

In the embodiment in which the movable seat 2a is provided with the second sliding groove 22, the yielding groove 23 is located at an end of the second sliding groove 22 away from the hinge shaft 21, and the yielding groove 23 is communicated with the second sliding groove 22.

The hinge 10a in the second embodiment of the present invention is identical to the hinge 10 in the first embodiment except for the differences described above, and will not be described again.

Further, referring to fig. 6, the present invention further provides a refrigeration device 100, where the refrigeration device 100 includes a case 20, a door 30 for opening and closing the case 20, and a hinge 10a, and the hinge 10a is used for connecting the case 20 and the door 30.

The hinge 10a is the hinge 10a in the second embodiment of the present invention, and will not be described herein.

Next, a door opening and closing process of the refrigerating apparatus 100 having the hinge 10a will be described:

when the door body 30 in a closed state is opened, the door body 30 firstly rotates around the hinge shaft 21 in situ by a preset angle;

after the door body 30 rotates by a preset angle, the movable seat 2a is in a linkage state, and the door body 30 continues to rotate around the hinge shaft 21 in a direction away from the box body 20 and moves along with the sliding block 12 by a preset distance under the action of the linkage assembly 3;

when the door body 30 in the opened state is closed, the door body 30 rotates around the hinge shaft 21 in situ to the direction of the box body 20 until the movable seat 2a is in the linkage state;

after the door is closed until the movable seat 2a is in a linkage state, the door body 30 rotates around the hinge shaft 21 in a direction approaching to the box body 20 and moves along with the sliding block 12 by a preset distance under the action of the linkage assembly 3 until the movable seat 2a is in a non-linkage state again;

after the movable seat 2a is in the non-linkage state again, the door 30 is in the closed state after the door 30 is pivoted in place by a preset angle around the hinge shaft 21 toward the direction of the case 20.

It can be appreciated that, during the door opening process, the door body 30 is first rotated around the hinge shaft 21 by a predetermined angle, that is, the door body 30 is rotated around the hinge shaft 21 to the first rotating shaft 321, and then enters the second chute 22 from the relief slot 23.

The preset distance of the inner movement and the preset distance of the outer movement of the door body 30 can be preset by adjusting the length of the first chute 11.

The above-mentioned closing of the door to the movable seat 2a is in the linkage state, that is, the closing of the door to the telescopic rod set 32 is switched from the second state to the first state.

The movable seat 2a is in a non-linkage state again, that is, the first rotating shaft 321 enters the yielding groove 23 from the second sliding groove 22 during the closing process.

In summary, the linkage assembly 3 in the hinge 10 of the present invention is provided with the telescopic rod set 32, and after the door is opened until the telescopic rod set 32 is in the second telescopic state, the door body 30 can freely rotate around the hinge shaft, so as to reduce the limitation of the opening of the door body 30, and facilitate the use of the user.

It should be noted that, the motion track of the door 20 can be effectively controlled by the specific shaft body groove design, and in this embodiment, when the door 20 is in the opening process, the hinge assembly 30 at least drives the door 20 to move from the pivot side P toward the accommodating chamber S, so as to avoid interference between the door 20 and the surrounding cabinet or wall during the opening process.

The foregoing embodiments are only for illustrating the technical solution of the present invention, but not for limiting the same, although the present invention has been described in detail with reference to the preferred embodiments, for example, if the techniques in different embodiments can be overlapped to achieve the corresponding effects at the same time, the solution is also within the protection scope of the present invention. It will be understood by those skilled in the art that various modifications and equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.

Claims

1. A hinge connecting a door to a case; characterized in that the hinge comprises:

2. The hinge according to claim 1, wherein the telescopic rod group comprises a connecting rod rotatably connected to the fixing base, and a telescopic rod slidably connected to the connecting rod along a length direction of the connecting rod; the linkage assembly further includes:

3. The hinge according to claim 2, wherein one of the telescopic link and the second link is provided with a limiting groove, and the other one of the telescopic link and the second link is provided with a limiting block matched with the limiting groove, and after the linkage assembly drives the sliding block to move to one end of the first sliding groove along a preset direction, the limiting groove is separated from the limiting block, so that the telescopic link group is in the second state.

4. The hinge according to claim 1, wherein the movable base has a second sliding slot extending along a length direction thereof, and the telescopic rod group is movably connected to the second sliding slot.

5. The hinge according to claim 1, wherein the movable base is further provided with a yielding groove, the yielding groove is an arc-shaped groove with the hinge shaft as a center of a circle, and the telescopic rod group is movably connected in the yielding groove.

6. The hinge of claim 2, wherein the movable seat, the telescopic link set, the first link, and the second link are stacked when the linkage assembly is in the folded state.

7. The hinge according to claim 2, wherein the fixing base is further provided with a bump, and the first link abuts against the bump to limit the rotation of the first link after the linkage assembly drives the slider to move to one end of the first chute along a preset direction.

8. The hinge according to claim 1, wherein the first sliding groove extends along a length direction of the fixed seat, the first sliding groove has an outer end close to the hinge shaft and an inner end far away from the hinge shaft, and when the telescopic rod group is in the first state, the linkage assembly drives the sliding block to move inwards from the outer end in a process of rotating the movable seat around the hinge shaft, so that the movable seat is driven to move inwards in the same direction.

9. The hinge according to claim 1, wherein the movable seat is provided with a docking post for docking with the door.

10. A refrigeration device comprising a cabinet, a door, and a hinge according to any one of claims 1 to 9.