WO2023131230A1

WO2023131230A1 - Hinge and refrigeration device

Info

Publication number: WO2023131230A1
Application number: PCT/CN2023/070664
Authority: WO
Inventors: 李康; 夏恩品; 王常志; 董雨峰
Original assignee: 青岛海尔电冰箱有限公司; 海尔智家股份有限公司
Priority date: 2022-01-05
Filing date: 2023-01-05
Publication date: 2023-07-13

Abstract

Disclosed in the present invention are a hinge and a refrigeration device. The hinge comprises: a fixed base fixed on the refrigerator body, the fixed base being provided with a first sliding groove and a sliding block in sliding connection with the first sliding groove; a movable seat connected onto the door body; and a linkage assembly, the linkage assembly being arranged between the sliding block and the movable seat, and the linkage assembly enabling the movable seat and the sliding block to move synchronously so as to drive the movable seat to move by a preset distance in the same direction.

Description

Hinges and Refrigeration Units

technical field

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

Background technique

With the development of society, refrigerators have entered thousands of households. The refrigerator is large in size and takes up a lot of space. In the case of a limited family area, especially in a small kitchen, the refrigerator needs to be placed skillfully to save more space for activities and can be placed in a relatively deep and narrow space. The demand for built-in refrigerators in spaces (such as cabinets, etc.) has become increasingly prominent.

Usually, the relative movement between the box body and the door body is realized through a fixed hinge, and the degree of freedom of opening and closing of the door body will be greatly limited, that is, the movement trajectory of the door body cannot be freely controlled. During the opening process of the door body, the door body rotates around the hinge shaft, and the hinged side of the door body and the cabinet body will protrude from the side wall of the refrigerator cabinet body, and it is easy to touch the wall or cabinet body on the opening side, not only It will affect the opening range of the refrigerator door, and will damage the surface of the refrigerator door, affecting its aesthetics.

In order to solve the above problems, in the prior art, a relatively large gap is left between the two sides of the built-in refrigerator and the deep and narrow space or other objects placed in the deep and narrow space to prevent interference; Reasonable utilization, and it is also not conducive to the aesthetics of the fusion of the refrigerator and the space. Or in order to avoid interference when the door body is opened, generally by improving the structure of the hinge connecting the box body and the door body, the door body can be rotated while generating a certain displacement along the preset direction. However, the existing hinge structure It is very complicated. At the same time, the opening angle is limited by the hinge, and the opening is small, which is not convenient for users to use.

In view of this, it is necessary to improve the existing hinge and the refrigeration device with the hinge to solve the above problems.

Contents of the invention

The object of the present invention is to provide a hinge and a refrigeration device with the hinge.

In order to achieve the purpose of the above invention, the present invention adopts the following technical solutions: a hinge that connects the door body to the box body; the hinge includes:

a fixed seat, fixed on the box body, the fixed seat has a first chute and a slider slidingly connected to the first chute;

A movable seat is connected to the door body, one end of the movable seat is connected with a hinge shaft, and the movable seat has a linkage state of moving synchronously with the slider while rotating around the hinge shaft;

A linkage assembly, the linkage assembly is arranged between the slider and the movable seat, when the movable seat is in a linkage state, when the movable seat rotates and opens around the hinge axially away from the fixed seat , the linkage assembly drives the slider to move along the first chute, and drives the movable seat to move a predetermined distance in the same direction.

As a further improved technical solution of the present invention, the first sliding groove extends along the length direction of the fixing seat.

As a further improved technical solution of the present invention, the first chute has an outer end close to the hinge shaft and an inner end far away from the hinge shaft, and the movable seat is away from the fixed seat around the hinge axis. When rotating to open, the linkage assembly drives the slider to move from the outer end to the inner end, and drives the movable seat to move inward in the same direction.

As a further improved technical solution of the present invention, the linkage assembly includes:

a first connecting rod, one end of the first connecting rod is rotatably connected to the hinge shaft, and the other end is rotatably connected to the slider;

a second connecting rod, one end of the second connecting rod is rotatably connected to the fixed seat, and the other end is movably connected to the movable seat;

A third connecting rod, one end of the third connecting rod is rotatably connected to the slider, and the other end is rotatably connected to the second connecting rod.

As a further improved technical solution of the present invention, the first chute extends along the length direction of the fixing seat, the first chute has an outer end close to the hinge shaft and an inner end far away from the hinge shaft, The second connecting rod is connected to an end corresponding to the inner end of the fixing seat.

As a further improved technical solution of the present invention, the movable seat is provided with a second sliding slot extending along its length direction, and the second connecting rod is movably connected in the second sliding slot.

As a further improved technical solution of the present invention, the second connecting rod has a first rotating shaft matched with the second chute, and when the movable seat rotates and opens away from the fixed seat, the linkage assembly When the slider is driven to move along the first sliding slot, the first rotating shaft moves to an end of the second sliding slot close to the hinge shaft.

As a further improved technical solution of the present invention, the length of the second chute is not less than the length of the first chute.

As a further improved technical solution of the present invention, after the linkage assembly drives the slider to move along the first chute and drives the movable seat to move a predetermined distance in the same direction, the movable seat is in a position only around the A non-linked state in which the hinge axis rotates in situ.

As a further improved technical solution of the present invention, the linkage assembly includes a telescopic rod group, one end of the telescopic rod group is rotatably connected to the fixed seat, and the other end is movably connected to the movable seat, and the telescopic rod group It has a non-stretchable first state and a stretchable second state. When the telescopic rod set is in the first state, the movable seat is rotated around the hinge axis, and the linkage assembly drives the movable seat With the synchronous movement of the slider, when the telescopic rod set is in the second state, the movable seat is in a non-linkage state in which it only rotates around the hinge axis in situ.

The second connecting rod, one end of the second connecting rod is rotatably connected to the fixed seat, and the other end is movably connected to the movable seat, the second connecting rod is the telescopic rod group, the second The connecting rod includes a connecting rod rotatably connected to the fixed seat, and a telescopic rod slidingly connected to the connecting rod along the length direction of the connecting rod;

A third connecting rod, one end of the third connecting rod is rotatably connected to the slider, and the other end is rotatably connected to the connecting rod.

As a further improved technical solution of the present invention, one of the telescopic rod and the third connecting rod is provided with a limiting groove, and the other is provided with a limiting block that matches the limiting groove. When the limiting block is located in the limiting slot, the telescopic rod is in the first state; after the linkage assembly drives the slider to move to one end of the first chute in a preset direction, the limiting The slot is separated from the limit block so that the telescopic rod set is in the second state.

As a further improved technical solution of the present invention, during the rotation of the movable seat around the hinge axially away from the fixed seat, the telescopic rod set is in the first state and then in the second state.

As a further improved technical solution of the present invention, the movable seat includes a fixed plate fixed on the door body, a linkage plate rotatably connected with the fixed plate through the hinge shaft, and the linkage plate is connected with the linkage assembly are movably connected with each other; the fixed plate has an interlocking state relatively fixed with the linkage plate, and can be disengaged from the linkage plate; when the fixed plate is in an interlocking state, the movable seat is in an interlocking state, When the fixed plate is in a disengaged state, the movable seat is in a non-linkage state.

As a further improved technical solution of the present invention, the movable seat is provided with a second chute extending along its length direction, the second chute is provided through the linkage plate, and the linkage assembly has a The second chute is slidably connected to the first rotating shaft; the fixed plate is provided with a third chute extending along its length direction, and when the fixed plate is in a linked state, the second chute and the first chute The three sliding slots are aligned, and the first rotating shaft is located in the second sliding slot and the third sliding slot; when the fixing plate is in a disengaged state, the first rotating shaft is separated from the third sliding slot.

As a further improved technical solution of the present invention, the side of the fixing plate facing the linkage plate is provided with a notch communicating with the third chute, the notch is provided through the width direction of the fixing plate, the The notch is used for the first rotating shaft to disengage or enter the third chute, and when the linkage assembly drives the slider to move to one end of the first chute in a preset direction, the first rotating shaft at the notch.

As a further improved technical solution of the present invention, the side of the fixing plate facing the linkage plate has an end away from the hinge axis from the third chute towards the hinge axis and away from the linkage plate. an inclined surface extending obliquely, and the inclined surface extends to the position where the notch is located.

a second connecting rod, one end of the second connecting rod is rotatably connected to the fixed seat, and the other end is movably connected to the linkage rod;

As a further improved technical solution of the present invention, one of the third connecting rod and the second connecting rod is provided with a limiting groove, and the other is provided with a limiting block matching the limiting groove, so The limiting block is always fitted in the limiting groove.

As a further improved technical solution of the present invention, an alignment structure is provided between the fixed plate and the linkage plate. The structure is used to align the relative position between the linkage plate and the fixed plate.

As a further improved technical solution of the present invention, the alignment structure includes an alignment column arranged on one of the fixing plate and the linkage plate, an alignment groove arranged on the other, and the alignment groove It has an inlet and outlet for the alignment column to enter and exit.

As a further improved technical solution of the present invention, after the movable seat rotates at a predetermined angle around the hinge axially away from the fixed seat, when the movable seat continues to rotate and open in a direction away from the fixed seat, The movable seat is in the linkage state.

As a further improved technical solution of the present invention, a first relief groove is provided on the movable seat, and the linkage assembly has a first rotating shaft matched with the first relief groove, and the first relief groove is The arc-shaped groove with the hinge axis as the center, when the movable seat rotates around the hinge axis away from the fixed seat, the first rotating shaft cooperates with the first relief groove so that the The movable seat rotates at a preset angle in situ.

As a further improved technical solution of the present invention, the movable seat includes a fixed plate fixed on the door body, a linkage plate rotatably connected with the fixed plate through the hinge shaft, and the linkage plate is connected with the linkage assembly are movably connected with each other; the fixed plate has an interlocking state relatively fixed with the linkage plate, and can be disengaged from the linkage plate; when the fixed plate is in an interlocking state, the movable seat is in an interlocking state, When the fixed plate is in the disengaged state, the movable seat is in the non-linkage state; one of the fixed plate and the linkage plate is provided with a second relief groove, and the other is provided with the second The protruding shaft matched with the relief groove, the second relief groove is an arc groove with the hinge axis as the center.

As a further improved technical solution of the present invention, there is also a protrusion on the fixed seat, and after the linkage assembly drives the slider to move to one end of the first chute in a preset direction, the first The connecting rod is resisted on the protrusion to limit the rotation of the first connecting rod.

As a further improved technical solution of the present invention, the hinge further includes a butt post arranged on the movable seat for fixing the movable seat to the door body.

To achieve the purpose of the above invention, the present invention also provides a refrigeration device, which includes a box body, a door body, and the above-mentioned hinge.

The beneficial effects of the present invention are: the movable seat fixed to the door body in the hinge of the present invention can move with the slider while rotating, thereby controlling the motion track of the door body, enhancing the versatility of the door body, and making the door The body can be adapted to various application scenarios, such as the application scenario of an embedded refrigerator.

Description of drawings

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

Fig. 2 is the enlarged view of place A in Fig. 1;

Fig. 3 is a structural schematic diagram after the movable seat in the hinge in Fig. 1 is opened (the movable seat and the slider are in a linked state);

Fig. 4 is a structural schematic diagram after the movable seat in the hinge in Fig. 1 is opened (the movable seat and the slider are in a non-linked state);

Fig. 5 is a schematic structural diagram of a hinge in a second embodiment of the present invention;

Fig. 6 is a schematic structural diagram of a hinge in a third embodiment of the present invention;

Fig. 7 is the enlarged view of place B in Fig. 6;

Fig. 8 is a structural schematic diagram of the linkage assembly in Fig. 6 in a folded state;

Fig. 9 is a schematic diagram of the structure after the movable seat in Fig. 6 is opened (the fixed plate and the linkage plate in the movable seat are in a linked state);

Fig. 10 is a schematic diagram of the structure after the movable seat in Fig. 6 is opened (the fixed plate and the linkage plate in the movable seat are in a disengaged state);

Fig. 11 is a schematic structural diagram of the hinge in the fourth embodiment of the present invention (the linkage assembly is in a folded state).

Fig. 12 is after the fixed plate in the hinge in Fig. 11 is rotated by a preset angle around the hinge axis.

Figure 13 is a schematic diagram of the structure of the movable seat in Figure 11 after it is opened (the fixed plate and the linkage plate in the movable seat are in a linked state)

Fig. 14 is a schematic diagram of the structure after the movable seat in Fig. 11 is opened (the fixed plate and the linkage plate in the movable seat are in a disengaged state);

Fig. 15 is a schematic structural diagram of the refrigeration device in the present invention.

Detailed ways

The present invention will be described in detail below in conjunction with the specific embodiments shown in the accompanying drawings 1-15. However, these embodiments do not limit the present invention, and any structural, method, or functional changes made by those skilled in the art according to these embodiments are included in the protection scope of the present invention.

The terms referring to spatial relative positions are used herein to describe the relationship of one element or feature relative to another element or feature as shown in the drawings for convenience of description. The terms of spatial 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 (turned 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Referring to Fig. 1-Fig. 4, it is the hinge 10 in the first embodiment of the present invention, and the hinge 10 is used to connect the door body to the box body. In this embodiment, the hinge 10 is applied to an upright refrigerator , and the door of the refrigerator is opened left and right as an example for specific explanation.

Of course, it needs to be emphasized that the hinge 10 of this embodiment is not only applicable to refrigerators, but also applicable to other scenes, such as cabinets, wine cabinets, wardrobes, etc. The present invention uses the application of the hinge 10 to refrigerators as an example for illustration, but It is not limited to this.

The hinge 10 includes a fixed seat 1 for fixing on the box body, a movable seat 2 for fixing on the door body, and a linkage assembly 3 . The fixing seat 1 has a first sliding slot 11 and a sliding block 12 slidingly connected with the first sliding slot 11 . There is a hinge shaft 21 on the movable seat 2, and the movable seat 2 can rotate around the hinge shaft 21, so that the door body fixed on the movable seat 2 can rotate around the hinge shaft 21 to open or close the Described box. The linkage assembly 3 is arranged between the slider 12 and the movable seat 2 to link the movable seat 2 and the slider 12 .

Specifically, the movable base 2 has a linkage state where it moves synchronously with the slider 12 while rotating around the hinge axis 21 , and a non-linkage state where it only rotates around the hinge axis 21 . When the movable seat 2 and the slider 12 are in a linkage state, when the movable seat 2 rotates around the hinge shaft 21 to open, the linkage assembly 3 drives the movable seat 2 to move with the slider 12 Preset distance; when the movable seat 2 and the slider 12 are in an unlinked state, the movable seat 2 can freely rotate around the hinge shaft 21 in situ, and can control the movement track of the door body.

It can be understood that, the moving direction and preset distance of the movable seat 2 driven by the linkage assembly 3 are related to the moving direction and moving distance of the slider 12 . The extending direction of the first chute 11 , the moving direction of the slider 12 , and the length of the first chute 11 can be designed according to specific requirements. For example, when the door body is opened to move inwardly 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 extension direction of the first chute 11 can be designed to be along the The wall/cabinet on the opening side extends in a vertical direction (the length direction of the fixed seat 1 extends), and the moving direction of the slider 12 is along the first chute 11 to the wall away from the opening side when the door is opened. / The direction of the cabinet moves. If the door moves outward away from the opening side to increase the opening of the door when the door is opened, the extension direction of the first chute 11 can be designed to extend in a direction perpendicular to the wall/cabinet on the opening side (the lengthwise direction of the fixed base 1 extends), when the door is opened, the moving direction of the slider 12 is to move along the first chute 11 toward the wall/cabinet on the opening side.

In this embodiment, the first chute 11 extends along the length direction of the fixing seat 1, and the end of the first chute 11 close to the hinge shaft 21 is defined as the outer end, and the end far away from the hinge shaft 21 One end is the inner end. When the movable seat 2 and the slider 12 are in a linkage state, and the movable seat 2 rotates and opens around the hinge shaft 21 in a direction away from the fixed seat 1, the slider 12 Move along the first chute 11 from the outer end to the inner end to drive the door body to move inward, that is, the door body moves inward by a preset distance while rotating and opening, which can prevent the door body from colliding with the wall on the opening side. Or a collision occurs between the cabinets. Of course, it is not limited to this. In other embodiments, it can also be set that when the movable seat 2 and the slider 12 are in a linkage state, the movable seat 2 is away from the hinge axis 21 When the direction of the fixed seat 1 is rotated and opened, the slider 12 moves from the inner end to the outer end along the first chute 11, driving the door body to move outward, that is, the door body moves outward while rotating and opening. The preset distance can expand the opening angle of the door body, which is more conducive for users to check the items in the refrigerator.

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

It should be noted that the above-mentioned outer refers to the outer side of the refrigerator, and inner is a defined orientation relative to the outer.

It can be understood that when the hinge 10 is applied to a refrigerator with left and right doors, the length direction of the above-mentioned fixing seat 1 is the left-right direction, and the above-mentioned outer end refers to the opening side of the first slide groove 11 and the door body. the corresponding end. When the hinge 10 is applied to a refrigerator that opens up and down, the length direction of the above-mentioned fixing seat 1 is the up-down direction, and the above-mentioned outer end refers to the end of the first sliding groove 11 corresponding to the door opening side.

Specifically, the fixed seat 1 includes a first plate 13 for fixing to the box body, a connecting plate 14 vertically arranged on the first plate 13, and the first sliding groove 11 is arranged on the connecting plate 14 on.

The first plate 13 is fixed on the side of the box facing the door, so that the connecting plate 14 protrudes toward the door.

It can be understood that the position of the first chute 11 is set according to the positional relationship between the connecting plate 14 and the door body, that is, the first chute 11 is arranged on the first plate 13 The side corresponding to the door body. For example, when the hinge 10 is installed on the bottom of the upright refrigerator, and the door is opened left and right, the door is located on the upper side of the hinge 10, so the first sliding groove 11 is arranged on the connecting on the upper surface of the plate 14.

Further, the linkage assembly 3 has a folded state and an open state, and when the movable seat 2 and the slider 12 are in a linked state, the movable seat 2 moves away from the fixed seat 1 around the hinge axis 21 During the process of rotating and opening in the direction of rotation, the linkage assembly 3 switches from the folded state to the open state, driving the slider 12 to move along the chute, and driving the movable seat 2 to move with the slider 12 at the same time.

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 linkage state. 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 at the same time, the linkage assembly 3 switches from the folded state to the opened state, that is, when the door body is opened, the door body wraps around The hinge shaft 21 moves inward synchronously with the sliding block 12 while rotating, so as to prevent the door body from colliding with the wall/cabinet on the opening side during the opening process.

In a specific embodiment, the linkage assembly 3 includes a first connecting rod 31, a second connecting rod 32, and a third connecting rod 33, and the first connecting rod 31, the second connecting rod 32, and the third connecting rod 33 And the movable seat 2 forms a four-link structure to realize the linkage between the slider 12 and the movable seat 2 .

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

During 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 slider 12 to move toward the inner end, driving the movable seat 2 to move inward, so that the door Move inside the body to avoid collision between the door body and the wall or cabinet on the opening side when the door is opened.

In a specific embodiment, the first connecting rod 31 and the third connecting rod 33 are rotationally connected to the slider 12 through the same rotating shaft. Of course, it is not limited to this.

In a specific embodiment, the movable base 2 is provided with a second sliding slot 22 extending along its length direction, and the second connecting rod 32 has a first rotating shaft 321 matched with the second sliding slot 22 , the second link 32 is movably connected to the movable seat 2 through the cooperation between the first rotating shaft 321 and the second sliding slot 22 . During the door opening process, when the movable seat 2 and the slider 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 slider While the block 12 moves to the inner end, the first rotating shaft 321 moves along the second chute 22 to the end of the second chute 22 close to the hinge shaft 21, which can reduce the process of the sliding block 12 driving the door to move inward. The rotation angle of the door body enhances the stability of the door body movement. Of course, it is not limited thereto, and in other embodiments, the first rotating shaft 321 may also be configured to be only rotatably connected to the movable base 2 .

Further, in this embodiment, the second connecting rod 32 is a set of telescopic rods, and the second connecting rod 32 includes a connecting rod 322 rotatably connected to the fixed base 1 , along the length of the connecting rod 322 The telescopic rod 323 is slidably connected to the connecting rod 322 , and the third connecting rod 33 is connected to the connecting rod 322 in rotation.

The telescopic rod 323 has a non-telescopic first state and a telescopic second state. When the telescopic rod 323 is in the first state, the movable seat 2 and the slider 12 can be in a linkage state; When the telescopic rod 323 is in the second state, the movable seat 2 and the slider 12 are in a non-linked state, that is, the movable seat 2 can rotate around the hinge shaft 21 in situ.

Specifically, in this embodiment, after the door body is opened until the slider 12 moves to the inner end of the first chute 11, the telescopic rod 323 switches from the first state to the second state, that is, the During the rotation of the movable base 2 around the hinge shaft 21 away from the fixed base 1 , the second connecting rod 32 is in the first state and then in the second state. After the inward movement of the door is completed, the telescopic rod 323 switches from the first state to the second state, and the movable seat 2 can rotate freely around the hinge shaft 21 in situ, that is, the door body can rotate around the The hinge shaft 21 is free to rotate in situ to further open the door body, which is convenient for the user to take things.

It can be understood that, in the embodiment in which the second connecting rod 32 includes a telescopic rod 323, the second chute 22 provided on the movable seat 2 can increase the opening of the door body, which is convenient for the user to take out. things.

In a specific embodiment, one of the telescopic rod 323 and the third connecting rod 33 is provided with a limiting groove 3231, and the other is provided with a limiting block 331 matching the limiting groove 3231, When the limiting block 331 is located in the limiting groove 3231, the telescopic rod 323 is in the first state, and after the limiting block 331 is out of the limiting groove 3231, the telescopic rod 323 is in the second state. Two states.

Specifically, the limiting groove 3231 is an arc-shaped groove with the center of rotation between the third connecting rod 33 and the second connecting rod 32 as the center, when the linkage assembly 3 is switched from the folded state to the open state , the limiting block 331 and the limiting groove 3231 move relatively, after the slider 12 moves to the inner end of the first sliding groove 11, the limiting block 331 and the limiting groove 3231 Separated from each other, the telescopic rod 323 is in the second state, and the movable seat 2 can freely rotate in situ around the hinge shaft 21, that is, the door body 30 can freely rotate in situ around the hinge shaft 21, In order to further open the door body 30, it is convenient for the user to take things.

It can be understood that, on the one hand, the cooperation between the limiting groove 3231 and the limiting block 331 can make the telescopic rod 323 in the first state, so that the movable seat 2 and the slider 12 can be in the first state. Linkage state; on the other hand, the stability of the relative movement between the first rotating shaft 321 and the second sliding slot 22 can be enhanced, and the stability of the hinge 10 can be enhanced.

Further, the fixed seat 1 is also provided with a protruding block 15, the protruding block 15 and the first sliding groove 11 are arranged on the same side of the connecting plate 14, and the sliding assembly 3 drives the sliding After the block 12 moves to the inner end, the first connecting rod 31 is held against the protrusion 15 to limit the rotation of the first connecting rod 31, which can strengthen the original position of the door body 30 around the hinge shaft 21. stability of free rotation.

Further, the hinge 10 also includes a docking column 5 arranged on the movable seat 2 to relatively fix the movable seat 2 and the door body, so as to realize the docking with the corresponding structure on the door body, and connect the movable seat 2 to the door body. The movable seat 2 is fixed on the door body.

Further, as shown in FIG. 15, the present invention also provides a refrigeration device 100, which includes a box body 20, a door body 30 for opening and closing the box body 20, and a hinge 10. The hinge 10 is used for connecting the box body 20 and the door body 30 .

The hinge 10 is the above-mentioned hinge 10 in the first embodiment of the present invention, which will not be repeated here.

In this embodiment, the refrigerating device 100 is a vertical refrigerator of a side-to-side opening type. Of course, it should be emphasized that the refrigeration device 100 may also be a vertical refrigerator or a chest freezer with doors opening up and down.

Next, describe the opening and closing process of the refrigeration device 100 with the hinge 10:

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

After the inward movement of the door body 30 is completed, the door body 30 can freely rotate around the hinge shaft 21 in situ;

When the door body 30 in the open state is closed, the door body 30 first rotates around the hinge shaft 21 to the direction where the box body 20 is located until the movable seat 2 and the slider 12 are in a linkage state;

After the door is closed until the movable seat 2 and the slider 12 are in a linked state, the door body 30 rotates around the hinge shaft 21 in a direction close to the box body 20 and at the same time the linkage assembly 3 Under action, the door body 30 is in a closed state as the slider 12 moves outward for a preset distance.

It can be understood that, the preset distance of the inward movement and the outward 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 moves to the inner end, and the telescopic rod 323 is in the second state.

The above-mentioned closing of the door until the movable seat 2 and the slider 12 are in the linkage state, that is, closing the door until the telescopic rod 323 switches from the second state to the first state, at this time, the movable seat 2 and the Slider 12 is in linkage state.

Please refer to FIG. 5 , which is a hinge 10a in the second embodiment of the present invention. For the convenience of description, the structures similar or identical in the second embodiment and the first embodiment use the same or similar numbers, and the second embodiment and the first embodiment use the same or similar numbers. The same structure as in the first embodiment will not be repeated here.

The difference between the hinge 10a in the second embodiment of the present invention and the hinge 10 in the first embodiment is that: the movable seat 2a is also provided with a first relief groove 23, and the first relief groove 23 is The hinge shaft 21 is an arc-shaped groove at the center of the circle, the first rotating shaft 321 is movably connected in the first relief groove 23, and through the cooperation between the first rotating shaft 321 and the first relief groove 23, The movable seat 2a can only rotate in situ around the hinge shaft 21, that is, it is in a non-linked state.

In a specific 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-linked state first and then in the linked state, That is, the first rotating shaft 321 first cooperates with the first relief groove 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 a linkage state. Therefore, when opening the door, the door body 30 can first rotate around the hinge shaft 21 at a preset angle in a direction away from the box body 20 , and then turn and open the door under the action of the linkage assembly 3 In the final stage of closing the door, the door body 30 can first turn around the hinge shaft 21 to a preset angle in the direction close to the box body 20, which is suitable for the door body 30 with a flip beam, and is more convenient for the Opening and closing of the door body 30 .

It can be understood that the aforementioned preset angle is determined by the length of the first relief slot 23 .

In the embodiment where the second chute 22 is provided on the movable seat 2a, the first relief groove 23 is located at the end of the second chute 22 away from the hinge shaft 21, and the first A relief slot 23 communicates with the second slide slot 22 .

The hinge 10 a in the second embodiment of the present invention is the same as the hinge 10 in the first embodiment except for the above differences, and will not be repeated here.

Further, as shown in FIG. 15, the present invention also provides a refrigeration device 100, which includes a box body 20, a door body 30 for opening and closing the box body 20, and a hinge 10a. The hinge 10a is used for connecting the box body 20 and the door body 30 .

The hinge 10a is the above-mentioned hinge 10a in the second embodiment of the present invention, and will not be described in detail here.

Next, describe the opening and closing process of the refrigeration device 100 with the hinge 10a:

When the door body 30 in the closed state is opened, the door body 30 first rotates around the hinge shaft 21 at a preset angle;

After the door body 30 rotates 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 while the linkage assembly 3 Under the action, move inward with the slider 12 for a preset distance;

When the door body 30 in the open state is closed, the door body 30 first rotates around the hinge shaft 21 to the direction where the box body 20 is located until the movable seat 2a is in a linkage state;

After the door is closed until the movable seat 2a is in the linked state, the door body 30 rotates around the hinge shaft 21 in a direction close to the box body 20 and at the same time moves with the sliding door under the action of the linkage assembly 3 . The block 12 is moved outward by a preset distance until the movable seat 2a is in the non-linkage state again;

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

It can be understood that, in the process of opening the door, the above-mentioned door body 30 first rotates around the hinge shaft 21 at a preset angle, that is, the door body 30 rotates around the hinge shaft 21 to the first position. The rotating shaft 321 enters the second slide slot 22 from the first relief slot 23 .

The preset distance of inward movement and outward movement of the door body 30 can be preset by adjusting the length of the first sliding slot 11 .

The aforementioned closing of the door until the movable seat 2a is in the linked state means that the telescopic rod 323 switches from the second state to the first state after the door is closed.

The aforementioned movable seat 2a is in a non-linked state again, that is, during the door closing process, the first rotating shaft 321 enters the first relief groove 23 from the second slide groove 22 .

Please refer to Figures 6-10, which are the hinge 10b in the third embodiment of the present invention. For the convenience of description, the structures similar or identical in the third embodiment to the first embodiment use the same or similar numbers, and the third The same structure of the embodiment and the first embodiment will not be repeated here.

The difference between the third embodiment and the first embodiment is that the movable seat 2b includes a fixed plate 24 fixed on the door body 30 , and a linkage that is rotationally connected with the fixed plate 24 through the hinge shaft 21 plate 25, the second connecting rod 32b is movably connected with the linkage plate 25, the fixed plate 24 has a linkage state relatively fixed with the linkage plate 25, and can be disengaged from the linkage plate 25. When the fixed plate 24 is in the linked state, the linkage assembly 3 can drive the fixed plate 24 to move synchronously with the slider 12, and when the fixed plate 24 is in the disengaged state, the fixed plate 24 can move around The hinge shaft 21 rotates on the spot to drive the door body 30 to rotate around the hinge shaft 21 on the spot.

In this embodiment, the second connecting rod 32b is an integrated connecting rod, that is, the second connecting rod 32b is a non-telescopic connecting rod.

It should be noted that, in this embodiment, the limit groove and the limit block matched between the second connecting rod 32b and the third connecting rod 33 can strengthen the movement of the first rotating shaft 321 along the second The stability of the movement of the chute 22 enhances the stability of the hinge 10b.

It can be understood that, in this embodiment, the linkage plate 25 and the slider 12 are always in a linkage state, and the linkage state and disengagement state are switched through the fixed plate 24 and the linkage plate 25 , to control the switching between the fixed plate 24 and the slider 12 between the linked state and the non-linked state.

For the hinge 10b in this embodiment, in the embodiment in which the second slide groove 22 is provided on the movable seat 2b, the second slide groove 22 penetrates through the linkage plate 25, so The first rotating shaft 321 of the second connecting rod 32 b is movably connected in the second sliding slot 22 , so that the second connecting rod 32 b is movably connected with the linkage plate 25 . When the linkage plate 25 moves away from the fixed base 1 around the hinge shaft 21, the linkage assembly 3 drives the slider 12 to move toward the inner end, and the first rotating shaft 321 moves along the The movement of the second chute 22 to the end of the second chute 22 close to the hinge shaft 21 can reduce the rotation angle of the door body 30 when the slider 12 drives the door body 30 to move inward, and enhance the stability of the door opening process. Of course, it is not limited thereto, and in other embodiments, the first rotating shaft 321 may also be configured to be only rotatably connected to the linkage plate 25 .

Further, the fixed plate 24 is provided with a third sliding groove 241 extending along its length direction, when the fixed plate 24 and the linkage plate 25 are in a linked state, the third sliding groove 241 and the The second chute 22 is aligned, and the first rotating shaft 321 cooperates with the second chute 22 and the third chute 241 at the same time, when the first rotating shaft 321 disengages from the third chute 241 , the fixed plate 24 is in a disengaged state from the linkage plate 25 .

That is, the switching of the fixed plate 24 between the linked state and the disengaged state is realized through the cooperation between the first rotating shaft 321 and the third sliding slot 241 , which has a simple structure, is easy to install, and has a low cost.

It can be understood that, during the process of opening the door, when the fixed plate 24 and the linkage plate 25 are in a linked state, the movable seat 2b continues to rotate around the hinge shaft 21 to further open the door body 30, so While the linkage assembly 3 drives the slider 12 to move toward the inner end, the first rotating shaft 321 approaches the second chute 22 and the third chute 241 along the second chute 22 and the third chute 241 One end of the hinge shaft 21 moves.

Further, the side of the fixing plate 24 facing the linkage plate 25 is provided with a notch 242 communicating with the third sliding groove 241, and the notch 242 is used for the first rotating shaft 321 to disengage or enter the The third chute 241 , when the first rotating shaft 321 moves along the third chute 241 to leave the third chute 241 through the gap 242 , the fixed plate 24 and the linkage plate 25 are in a position In the disengaged state, the fixing plate 24 can rotate around the hinge shaft 21 in situ, that is, the door body 30 can rotate around the hinge shaft 21 in situ.

Specifically, when the linkage assembly 3 drives the slider 12 to move to one end of the first chute 11 in a predetermined direction, the first rotating shaft 321 is located at the notch 242, that is, in this embodiment When the linkage assembly 3 drives the slider 12 to move to the inner end along the first chute 11, the first rotating shaft 321 is located at the gap 242, that is, during the door opening process of the door body 30 After the inward movement is completed, the first rotating shaft 321 is located at the notch 242. At this time, the door continues to be opened, and the first rotating shaft 321 is separated from the third slide groove 241 from the notch 242, so that the fixing plate 24 Switch to the disengaged state, so that the door body 30 can enter a state of freely rotating around the hinge shaft 21 in situ, which is convenient for the user to take things.

Further, the side of the fixing plate 24 facing the linkage plate 25 has an end away from the hinge axis 21 from the third sliding slot 241 toward the hinge axis 21 and away from the linkage plate 25. The inclined surface 243 extends obliquely, and the inclined surface 243 extends to the position where the notch 242 is located, so as to facilitate the first rotating shaft 321 to enter and exit the third slide groove 241 through the notch 242 .

Further, an alignment structure 4 is provided between the fixed plate 24 and the linkage plate 25, and when the fixed plate 24 rotates around the hinge shaft 21 toward the fixed seat 1 in situ, the alignment structure 4 The structure 4 is used to align the relative position between the linkage plate 25 and the fixed plate 24 to enhance the stability of the hinge 10b in operation.

In a specific embodiment, the alignment structure 4 includes an alignment column 41 arranged on one of the fixing plate 24 and the linkage plate 25, and an alignment groove 42 arranged on the other. The alignment groove 42 has an inlet and outlet for the alignment column 41 to enter and exit. In this embodiment, after the fixing plate 24 rotates around the hinge shaft 21 toward the fixing seat 1 until the alignment column 41 is abutted against the groove wall of the alignment groove 42 , the second The second sliding slot 22 is aligned with the third sliding slot 241 .

The hinge 10b in the third embodiment of the present invention is the same as the hinge 10b in the first embodiment except for the above-mentioned differences, and will not be repeated here.

Further, as shown in FIG. 15, the present invention also provides a refrigeration device 100, which includes a box body 20, a door body 30 for opening and closing the box body 20, and a hinge 10b. The hinge 10b is used to connect the box body 20 and the door body 30 .

The hinge 10b is the above-mentioned hinge 10b in the third embodiment of the present invention, which will not be repeated here.

Next, describe the opening and closing process of the refrigeration device 100 with the hinge 10b:

In the first stage when the door body 30 in the closed state is opened, the door body 30 rotates around the hinge shaft 21 in a direction away from the box body 20 and at the same time moves with the sliding door under the action of the linkage assembly 3 . Block 12 moves inward by a preset distance;

After the inward movement of the door body 30 is completed, the fixing plate 24 is in a disengaged state, and the door body 30 is free to rotate in situ around the hinge shaft 21;

When the door body 30 in the open state is closed, the door body 30 first rotates around the hinge shaft 21 to the direction where the box body 20 is located until the fixed plate 24 is in a linked state;

After the door is closed until the fixed plate 24 and the linkage plate 25 are in a linked state, the door body 30 rotates around the hinge shaft 21 in a direction close to the box body 20 and at the same time, under the action of the linkage assembly 3 The door body 30 is in a closed state when the slider 12 moves outward for a preset distance.

The above-mentioned door body 30 moves inwardly, that is, the slider 12 moves to the inner end. At this time, the first rotating shaft 321 is located at the gap 242, so that the first rotating shaft 321 passes through the gap 242. disengage from the third chute 241 .

The above-mentioned closing of the door until the fixed plate 24 and the linkage plate 25 are in a linked state means that the door is closed until the first rotating shaft 321 enters the third chute 241 from the notch 242 . It can be understood that, after the alignment column 41 abuts against the groove wall of the alignment groove 42, the third sliding groove 241 is aligned with the second sliding groove 22, so that the first rotating shaft 321 into the third chute 241.

Please refer to Fig. 11-Fig. 14, which are the hinge 10c in the fourth embodiment of the present invention. For the convenience of description, the structures similar or identical in the fourth embodiment and the third embodiment adopt the same or similar numbers, and the fourth embodiment The same structures in the embodiment mode as in the third embodiment mode will not be repeated here.

The difference between the hinge 10c in the fourth embodiment of the present invention and the hinge 10c in the third embodiment is that: one of the fixed plate 24 and the linkage plate 25 is provided with a second relief groove 244, and the other A protruding shaft cooperating with the second relief groove 244 is provided on the top, and the second relief groove 244 is an arc-shaped groove with the hinge axis 21 as the center, and the protruding shaft and the second relief groove The slots 244 are matched so that the fixing plate 24 can rotate around the hinge axis 21 independently relative to the linkage plate 25 .

In a specific embodiment, when the door body 30 is in the closed state, the protruding shaft cooperates with the second relief groove 244 . That is, when the movable seat 2c rotates around the hinge shaft 21 in a direction away from the fixed seat 1, under the cooperation of the protruding shaft and the second relief groove 244, the fixed plate 24 first Turn around the hinge shaft 21 at a preset angle, and then the fixing plate 24 enters into a linkage state of linkage with the linkage plate 25 . Therefore, when opening the door, the door body 30 can first rotate around the hinge axis 21 to a preset angle in a direction away from the box body 20, and at the final stage of closing the door, the door body 30 can rotate around the hinge axis 21 is rotated at a preset angle in a direction close to the box body 20 , which is suitable for the door body 30 with a flip beam, and is more convenient for opening and closing of the door body 30 .

It can be understood that the aforementioned preset angle is determined by the length of the relief slot.

In a specific embodiment, the second relief slot 244 is disposed on the fixing plate 24, and the protruding shaft is the first rotating shaft 321, which simplifies the structure of the hinge 10c.

In the embodiment where the second relief groove 244 is arranged on the fixing plate 24 and the third sliding groove 241 is arranged on the fixing plate 24, the second relief groove 244 is arranged on The third sliding slot 241 is away from an end of the hinge shaft 21 , and the second relief slot 244 communicates with the third sliding slot 241 .

It can be understood that, in this embodiment, the alignment structure 4 is when the fixing plate 24 rotates around the hinge axis 21 in a direction close to the fixing seat 1 until the first rotating shaft 321 is rotated from the first rotation axis 321 After the three chute 241 enters the second relief groove 244 , the alignment between the fixing plate 24 and the linkage plate 25 is realized.

Except for the above differences, the hinge 10c in the fourth embodiment of the present invention is the same as the hinge 10b in the third embodiment, and will not be repeated here.

Further, the present invention also provides a refrigeration device 100, which includes a box body 20, a door body 30 for opening and closing the box body 20, a hinge 10c, and the hinge 10c is used to connect the Box body 20 and door body 30 .

The hinge 10c is the above-mentioned hinge 10c in the fourth embodiment of the present invention, which will not be repeated here.

Next, describe the opening and closing process of the refrigeration device 100 with the hinge 10c:

When the door body 30 in the closed state is opened, the door body 30 first rotates around the hinge shaft 21 at a preset angle until the fixed plate 24 is in a linked state;

After the fixed plate 24 and the linkage plate 25 are in the linked state, the door body 30 continues to rotate around the hinge shaft 21 in a direction away from the box body 20 Move inward with the slider 12 for a preset distance;

After the inward movement of the door body 30 is completed, the fixing plate 24 is in a detachable state, and the door body 30 can freely rotate around the hinge shaft 21 in situ;

When the door body 30 in the open state is closed, the door body 30 first rotates around the hinge shaft 21 to the direction where the box body 20 is located until the fixed plate 24 and the linkage plate 25 are in a linked state. ;

After the door is closed until the fixed plate 24 and the linkage plate 25 are in a linked state, the door body 30 rotates around the hinge shaft 21 in a direction close to the box body 20 and at the same time the linkage assembly 3 Under the action of the slider 12, the preset distance is moved outwards until the fixed plate 24 and the linkage plate 25 are in a non-linked state;

After the fixed plate 24 and the linkage plate 25 are in the non-linked state, the door body 30 is in the closed state after the door body 30 is turned in place by a preset angle around the hinge shaft 21 toward the direction of the box body 20 .

It can be understood that, during the process of opening the door, the above-mentioned door body 30 first rotates around the hinge shaft 21 at a preset angle until the fixed plate 24 and the linkage plate 25 are in a linked state, that is, the door The body 30 rotates in situ around the hinge shaft 21 until the first shaft 321 enters the third chute 241 from the second relief groove 244. At this time, the third chute 241 and the The second chute 22 is aligned with each other.

The above-mentioned inward movement of the door body 30 is completed, that is, the slider 12 moves to the inner end, and the first rotating shaft 321 is located at the notch 242 .

The above-mentioned closing of the door until the fixed plate 24 and the linkage plate 25 are in the interlocking state, that is, closing the door until the first rotating shaft 321 enters the third chute 241 from the gap 242, at this time, the The third chute 241 is aligned with the second chute 22 .

The above-mentioned fixed plate 24 and the linkage plate 25 are in a non-linked state, that is, during the door closing process, the first rotating shaft 321 enters the second relief groove 244 from the third chute 241 .

To sum up, the hinge 10 in the present invention can control the movement trajectory of the door body 30 by setting the linkage assembly 3, which is used to link the slider 12 on the fixed seat 1 with the movable seat 2, The versatility of the door body 30 is enhanced so that the door body 30 can be adapted to various application scenarios, such as the application scenario of a built-in refrigerator.

The above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, for example, if the technologies in different embodiments can be superimposed and used to achieve corresponding effects at the same time, its The scheme is also within the protection scope of the present invention. Those skilled in the art should understand that the technical solution of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solution of the present invention.

Claims

A hinge that connects the door body to the box body; it is characterized in that the hinge includes:

a fixed seat, fixed on the box body, the fixed seat has a first chute and a slider slidingly connected to the first chute;

A movable seat is connected to the door body, one end of the movable seat is connected with a hinge shaft, and the movable seat has a linkage state of moving synchronously with the slider while rotating around the hinge shaft;

A linkage assembly, the linkage assembly is arranged between the slider and the movable seat, when the movable seat is in a linkage state, when the movable seat rotates and opens around the hinge axially away from the fixed seat , the linkage assembly drives the slider to move along the first chute, and drives the movable seat to move a predetermined distance in the same direction.
The hinge according to claim 1, wherein the first slide groove extends along the length direction of the fixing seat.
The hinge according to claim 2, characterized in that: the first slide groove has an outer end close to the hinge shaft and an inner end far away from the hinge shaft, and the movable seat is away from the hinge axially around the hinge shaft. When the direction of the fixed seat is rotated to open, the linkage assembly drives the slider to move from the outer end to the inner end, and drives the movable seat to move inward in the same direction.
The hinge according to claim 1, wherein the linkage assembly comprises:

a first connecting rod, one end of the first connecting rod is rotatably connected to the hinge shaft, and the other end is rotatably connected to the slider;

a second connecting rod, one end of the second connecting rod is rotatably connected to the fixed seat, and the other end is movably connected to the movable seat;

A third connecting rod, one end of the third connecting rod is rotatably connected to the slider, and the other end is rotatably connected to the second connecting rod.
The hinge according to claim 4, characterized in that: the first sliding groove extends along the length direction of the fixing seat, the first sliding groove has an outer end close to the hinge axis and far away from the hinge axis The inner end of the second connecting rod is connected to an end corresponding to the inner end of the fixing seat.
The hinge according to claim 4, characterized in that: the movable seat is provided with a second sliding slot extending along its length direction, and the second connecting rod is movably connected in the second sliding slot.
The hinge according to claim 6, wherein the second connecting rod has a first rotating shaft matched with the second chute, and when the movable seat rotates and opens away from the fixed seat, When the linkage assembly drives the slider to move along the first chute, the first rotating shaft moves to an end of the second chute close to the hinge shaft.
The hinge according to claim 7, wherein the length of the second sliding slot is not less than the length of the first sliding slot.
The hinge according to claim 1, characterized in that: after the linkage assembly drives the slider to move along the first chute and drives the movable seat to move a preset distance in the same direction, the movable seat is in the It is a non-linkage state in which it only rotates in situ around the hinge axis.
The hinge according to claim 9, characterized in that: the linkage assembly includes a telescopic rod group, one end of the telescopic rod group is rotatably connected to the fixed seat, and the other end is movably connected to the movable seat, so that The set of telescopic rods has a first non-stretchable state and a second state of stretchable. When the set of telescopic rods is in the first state, during the rotation of the movable seat around the hinge axis, the linkage assembly drives The movable seat moves synchronously with the slider, and when the telescopic rod set is in the second state, the movable seat is in a non-linkage state where it only rotates around the hinge axis.
The hinge according to claim 10, wherein the linkage assembly comprises:

a first connecting rod, one end of the first connecting rod is rotatably connected to the hinge shaft, and the other end is rotatably connected to the slider;

The second connecting rod, one end of the second connecting rod is rotatably connected to the fixed seat, and the other end is movably connected to the movable seat, the second connecting rod is the telescopic rod group, the second The connecting rod includes a connecting rod rotatably connected to the fixed seat, and a telescopic rod slidingly connected to the connecting rod along the length direction of the connecting rod;

A third connecting rod, one end of the third connecting rod is rotatably connected to the slider, and the other end is rotatably connected to the connecting rod.
The hinge according to claim 11, characterized in that: one of the telescopic rod and the third connecting rod is provided with a limiting groove, and the other is provided with a limiting block matching the limiting groove , when the limiting block is located in the limiting groove, the telescopic rod is in the first state; after the linkage assembly drives the sliding block to move to one end of the first chute in a preset direction , the limit groove is disengaged from the limit block so that the telescopic rod set is in the second state.
The hinge according to claim 10, characterized in that: during the rotation process of the movable seat around the axis of the hinge away from the fixed seat, the telescopic rod group is in the first state and then in the second state.
The hinge according to claim 9, characterized in that: the movable seat includes a fixed plate fixed on the door body, and a linkage plate rotatably connected with the fixed plate through the hinge shaft, the linkage plate and The linkage components are movably connected; the fixed plate has an interlocking state relatively fixed with the linkage plate, and can be separated from the disengagement state of the linkage plate; when the fixed plate is in an interlocking state, the movable seat In the linked state, when the fixed plate is in the disengaged state, the movable seat is in the non-linked state.
The hinge according to claim 14, characterized in that: the movable seat is provided with a second slide slot extending along its length, the second slide slot is provided through the linkage plate, and the linkage assembly It has a first rotating shaft slidingly connected with the second chute; the fixed plate is provided with a third chute extending along its length direction, and when the fixed plate is in a linked state, the second chute Aligned with the third chute, the first rotating shaft is located in the second chute and the third chute; when the fixing plate is in a disengaged state, the first rotating shaft is separated from the first chute Three chutes.
The hinge according to claim 15, characterized in that: the side of the fixing plate facing the linkage plate is provided with a notch communicating with the third chute, and the notch penetrates along the width direction of the fixing plate It is provided that the notch is used for the first rotating shaft to disengage or enter the third chute, and when the linkage assembly drives the slider to move to one end of the first chute in a preset direction, the The first rotating shaft is located at the notch.
The hinge according to claim 16, characterized in that: the side of the fixing plate facing the linkage plate has an end away from the hinge axis from the third slide groove, facing the hinge axis and away from the hinge axis. The direction of the linkage plate is an inclined surface extending obliquely, and the inclined surface extends to the position where the notch is located.
The hinge according to claim 14, wherein the linkage assembly comprises:

a first connecting rod, one end of the first connecting rod is rotatably connected to the hinge shaft, and the other end is rotatably connected to the slider;

a second connecting rod, one end of the second connecting rod is rotatably connected to the fixed seat, and the other end is movably connected to the linkage rod;

A third connecting rod, one end of the third connecting rod is rotatably connected to the slider, and the other end is rotatably connected to the second connecting rod.
The hinge according to claim 18, characterized in that: one of the third connecting rod and the second connecting rod has a limiting slot, and the other has a limiting slot matching the limiting slot. A position block, the limit block is always fitted in the limit slot.
The hinge according to claim 14, wherein an alignment structure is provided between the fixed plate and the linkage plate, and when the fixed plate rotates around the hinge shaft toward the fixed seat, The aligning structure is used for aligning the relative position between the linkage plate and the fixing plate.
The hinge according to claim 20, characterized in that: the alignment structure includes an alignment post on one of the fixing plate and the linkage plate, and an alignment slot on the other, so The alignment groove has an inlet and outlet for the alignment column to enter and exit.
The hinge according to claim 1, characterized in that: after the movable seat rotates at a predetermined angle around the hinge axial direction away from the fixed seat, the movable seat continues to move away from the fixed seat When rotating and opening, the movable seat is in the linkage state.
The hinge according to claim 22, characterized in that: the movable seat is provided with a first relief groove, the linkage assembly has a first rotating shaft matched with the first relief groove, and the first The relief groove is an arc-shaped groove centered on the hinge axis, and when the movable seat rotates around the hinge axis in a direction away from the fixed seat, the first rotating shaft cooperates with the first relief groove to make the movable seat rotate at a preset angle on the spot.
The hinge according to claim 22, wherein the movable seat includes a fixed plate fixed on the door body, and a linkage plate rotatably connected to the fixed plate through the hinge shaft, and the linkage plate is connected to The linkage components are movably connected; the fixed plate has an interlocking state relatively fixed with the linkage plate, and can be separated from the disengagement state of the linkage plate; when the fixed plate is in an interlocking state, the movable seat In the linked state, when the fixed plate is in the disengaged state, the movable seat is in the non-linked state; one of the fixed plate and the linked plate is provided with a second relief groove, and the other is provided with a The protruding shaft that the second relief groove matches, and the second relief groove is an arc-shaped groove centered on the hinge axis.
The hinge according to claim 4, wherein a protrusion is further provided on the fixing seat, after the linkage assembly drives the slider to move to one end of the first slide slot along a preset direction, The first link abuts against the protrusion to limit the rotation of the first link.
The hinge according to claim 1, characterized in that, the hinge further comprises a butt post arranged on the movable seat for fixing the movable seat to the door body.
A refrigerating device, comprising a box body and a door body, characterized in that the refrigerating device further comprises the hinge according to claim 1.