CN115807599A - Hinge device and refrigerator - Google Patents

Abstract

The invention discloses a hinge device and a refrigerator, wherein the hinge device comprises a lower hinge shell, an upper hinge shell, a first rotating part and a second rotating part, the first rotating part comprises a first groove body and a first shaft body, the second rotating part comprises a second groove body and a second shaft body, and the upper hinge shell is rotatably connected with the lower hinge shell through the first rotating part and the second rotating part; the upper hinge shell sequentially rotates around the first shaft body and the second shaft body, and meanwhile, the door body can move forwards simultaneously; through the alternate operation between the sliding rolling motion and the pure rolling motion, the friction is reduced, the service life of the hinge is prolonged, and meanwhile, the door body can move forwards simultaneously, so that when the door body is completely opened, the space occupation of the door body to the rear of the refrigerator is reduced, the door body can be placed closer to a wall body, and the use experience of a user is improved.

Description

Hinge device and refrigerator

Technical Field

The invention relates to a hinge device, in particular to a refrigerator with the hinge device.

Background

As shown in figures 1 and 2, a door body of the existing refrigerator is turned upwards and opened, and an opening of a box body below the refrigerator is exposed. In the process of using by a user, various requirements can exist due to the limitation of scenes, and typical scenes are as follows: the user hopes to place the refrigerator backwards against the wall as much as possible, but the refrigerator is limited by the thickness of the hinge and the structure of the hinge, so that enough space needs to be reserved behind the refrigerator to ensure the normal opening of the door body, and the space behind the refrigerator is wasted; corresponding to this, when the user puts the freezer more near the wall body, will restrict the opening angle of the door body, restricted the user and taken out the edible material from the opening part, influenced user's use and experienced.

However, in solving the problem of wasted space, the new structure introduces new problems, such as how to extend the life of the hinge to meet the expectations. How to solve the existing problems and how to make a new structure avoid generating new problems is the problem that needs to be solved by the existing refrigerator.

Disclosure of Invention

In order to solve the problems in the prior art, the invention aims to provide a hinge device and a refrigerator with the same.

To achieve the above object, according to one embodiment of the present invention, there is provided a hinge device including:

a lower hinge housing for connecting the case;

the upper hinge shell is used for connecting the door body;

the first rotating part comprises a first groove body and a first shaft body, and the first groove body limits the sliding distance of the first shaft body;

the second rotating part comprises a second groove body and a second shaft body, the second groove body limits the sliding distance of the second shaft body, and the upper hinge shell is rotatably connected to the lower hinge shell through the first rotating part and the second rotating part;

the upper hinge shell is provided with a first position, a second position and a third position, and the upper hinge shell rotates around the first shaft body in the process of moving from the first position to the second position; during the process that the upper hinge shell moves from the second position to the third position, the upper hinge shell rotates around the second shaft body;

during at least part of the rotation of the upper hinge shell about the lower hinge shell, the upper hinge shell simultaneously moves in a first direction having a component in a direction along the lower hinge shell towards the box.

As a further improvement of the present invention, the hinge device further includes an elastic support portion including a fixed end fixedly connected to the lower hinge housing, a receiving end connected to the first rotating portion or the second rotating portion, and an elastic support member disposed between the fixed end and the receiving end.

As a further improvement of the present invention, the elastic supporting member includes a supporting beam, a supporting rod, and an elastic member sleeved outside the supporting rod, the supporting beam includes the fixed end connected to the lower hinge shell, one end of the elastic member is fixed to the supporting beam, and the other end of the elastic member abuts against the supporting rod.

As a further improvement of the present invention, the support rod includes the receiving end connected to the first shaft body or the second shaft body.

As a further improvement of the present invention, the first shaft is disposed on the upper hinge shell, the first groove is disposed on the lower hinge shell, the elastic support portion further includes a linkage portion, and the linkage portion includes:

the sliding shaft is connected to the lower hinge shell in a sliding mode and is parallel to the first shaft body;

the connecting piece comprises a bearing end which is pivotally connected with the first shaft body, and the connecting piece is also pivotally connected with the sliding shaft;

and the limiting part is arranged on the lower hinge shell and limits the movement direction of the sliding shaft.

As a further improvement of the present invention, the first rotating part or the second rotating part further includes a third shaft body parallel to the first shaft body and the second shaft body, and the third shaft body is fixedly connected to the upper hinge housing;

the elastic support portion further includes a linkage portion including:

the sliding shaft is connected to the lower hinge shell in a sliding mode and is parallel to the third shaft body;

the connecting piece comprises a bearing end which is pivotally connected with the third shaft body, and the connecting piece is also pivotally connected with the sliding shaft;

and the limiting part is arranged on the lower hinge shell and limits the movement direction of the sliding shaft.

As a further improvement of the present invention, the first groove and the second groove are provided in one of the lower hinge shell or the upper hinge shell, and the first shaft body and the second shaft body are provided in the other of the lower hinge shell or the upper hinge shell.

As a further improvement of the present invention, the first groove and the second shaft are provided in one of the lower hinge shell or the upper hinge shell, and the first shaft and the second groove are provided in the other of the lower hinge shell or the upper hinge shell.

As a further improvement of the present invention, the first shaft body is parallel to the second shaft body, the first shaft body and/or the second shaft body is located in front of a first preset surface, the first preset surface is a plane passing through the rear lower end of the door body and inclined to the rear upper side, and an included angle between the first preset surface and the horizontal plane is 45 °.

In order to achieve one of the above objects, an embodiment of the present invention provides a refrigerator, which includes the above hinge device.

As a further improvement of the present invention, the present invention further comprises a box body connected to the lower hinge shell, and a door body connected to the upper hinge shell, wherein the box body comprises a rear wall, the door body has a door closing state and a fully opened state, when the upper hinge shell is located at the first position, the door body is located at the door closing state, and when the upper hinge shell is located at the third position, the door body is located at the fully opened state;

when the door body is in a fully opened state, the distance between the end part of the door body far away from the rear wall and the rear wall is smaller than the thickness of the door body.

Compared with the prior art, the invention has the following beneficial effects: the door body of the freezer of application this hinge means is at the in-process of opening, after second shaft body and second cell body relative motion to extreme position, again by relative motion between first axis body and the first cell body, make first cell body and second cell body all can be shorter for current cell body size, then make between first axis body and the first cell body, and between the second shaft body and the second cell body, all need not be in the state of taking gliding rolling friction all the time, but alternate operation between slip rolling motion and the pure rolling motion, the friction has been reduced, the life of hinge has been prolonged, simultaneously can make the door body move forward simultaneously, thereby when the door body is opened completely, the space that the door body took to the freezer rear has been reduced, the door body can be more close to the wall body and put, also reduced the freezer rear reserved space not enough to open the influence of angle to the door body, user's use experience has been improved.

Drawings

Fig. 1 is a side view of a prior art cooler;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic structural view of a refrigerator according to an embodiment of the present invention;

fig. 4 is a side view of a cooler of one embodiment of the present invention;

FIG. 5 is a partial enlarged view at B in FIG. 4;

FIG. 6a is a schematic structural diagram of a hinge device according to an embodiment of the present invention;

FIG. 6b is a cross-sectional view of a hinge assembly according to an embodiment of the present invention;

FIG. 7a is a schematic view of a hinge device according to an embodiment of the present invention;

FIG. 7b is a cross-sectional view of a hinge assembly according to an embodiment of the present invention;

FIG. 8a is a schematic view of a hinge device according to an embodiment of the present invention;

FIG. 8b is a cross-sectional view of a hinge assembly according to an embodiment of the present invention;

FIG. 9 is a schematic structural view of a hinge device according to another embodiment of the present invention;

FIG. 10 is a schematic view of a hinge assembly according to still another embodiment of the present invention;

figure 11 is a side view of a prior art door body in comparison to one embodiment of the present invention when the refrigerator door body is opened;

1000, a refrigerator; 100. a hinge device; 200. a door body; 300. a box body; 10. an upper hinge shell; 20. a lower hinge shell; 31. a first shaft body; 32. a first tank body; 41. a second shaft body; 42. a second tank body; 50. a connecting member; 61. a sliding shaft; 62. a limiting part; 71. a support bar; 72. an elastic member; 73. a supporting beam; 80. and a third shaft body.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the accompanying drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.

It will be understood that terms used herein such as "upper," "above," "lower," "below," and the like, refer to relative positions in space and are used for convenience in description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

According to the hinge device and the refrigerator with the hinge device, the structure of the hinge is redesigned, so that the occupation of the rear space of the refrigerator in the opening process of the door body can be controlled, the refrigerator can be placed closer to a rear wall, the waste of space is reduced, and meanwhile, the service life reduction caused by structural change is avoided.

This hinge means 100 can install on equipment such as freezer 1000, refrigerator, vertical freezer, gradevin, dish washer, microwave oven, provides a freezer 1000 in this embodiment, including door body 200 and box 300, the inside refrigeration space that encloses of box 300, and door body 200 seals the refrigeration space, is connected through hinge means 100 between door body 200 and the box 300, and hinge means 100 supports opening and closing of door body 200.

The hinge device 100 of the present embodiment includes a lower hinge housing 20, an upper hinge housing 10, a first rotation part, a second rotation part, and an elastic support part. The first rotating portion includes a first groove 32 and a first shaft body 31, the first groove 32 defines a sliding distance of the first shaft body 31; the second rotation part includes a second groove 42 and a second shaft body 41, the second groove 42 defines a sliding distance of the second shaft body 41, and the upper hinge case 10 is rotatably connected to the lower hinge case 20 through the first rotation part and the second rotation part.

As shown in fig. 3 to 5, in order to clearly express the position and direction described in this embodiment, taking a horizontal refrigerator 1000 as an example, the opening of the refrigerator 1000 is defined to be upward, and the opposite direction is defined as downward, the door 200 is located above the refrigerator 300, the user is located at one side of the refrigerator 300 away from the hinge device 100 to operate the refrigerator 1000, the user is defined to be located in front of the refrigerator 1000, the hinge device 100 is located at the back of the refrigerator 300, and the two sides of the refrigerator 300 from the front are respectively defined as left and right.

The first shaft 31 can slide out a distance in the first slot 32 and the second shaft 41 can slide out a distance in the second slot 42, i.e. the first slot 32 and the second slot 42 are not circular slots but slots with a length, as shown in fig. 5 or 6a, the shaft can move from one end to the other end in the slots. In the process of sliding the first shaft body 31 and the second shaft body 41, the upper hinge shell 10 is turned around the lower hinge shell 20, and in the whole turning process, the upper hinge shell 10 does not always rotate around the first shaft body 31 or the second shaft body 41, but is turned over under the limitation of the first shaft body 31, the first groove body 32, the second shaft body 41 and the second groove body 42.

In addition, the first shaft body 31 and the second shaft body 41 of the present embodiment are merely distinguished as names, and similarly, the first groove body 32 and the second groove body 42 are also distinguished as names for explaining that there are two shafts that can slide a distance in the grooves. The second shaft 41 may also be referred to as the first shaft 31, and the second groove 42 may also be referred to as the first groove 32.

The upper hinge housing 10 has a first position, a second position and a third position, and during the movement of the upper hinge housing 10 from the first position to the second position, the upper hinge housing 10 rotates around the first shaft body 31; during the movement of the upper hinge housing 10 from the second position to the third position, the upper hinge housing 10 rotates about the second shaft body 41. Fig. 6a and 6b correspond to the first position, fig. 7a and 7b correspond to the second position, and fig. 8a and 8b correspond to the third position, and when the upper hinge case 10 is located at the third position, the door body 200 can be located in a fully opened state.

In the process that the upper hinge shell 10 moves from the first position to the second position, the first shaft body 31 only rotates in place to perform pure rolling motion, the second shaft body 41 moves from one end to the other end in the second groove body 42, and in the process that the upper hinge shell 10 moves from the second position to the third position, the second shaft body 41 only rotates in place to perform pure rolling motion, the first shaft body 31 moves from one end to the other end in the first groove body 32, the whole motion is divided into two sections in the process, in each section of motion, the abrasion of one shaft which keeps rotating in place is reduced as much as possible, namely in the process that the door body 200 is opened, the two shaft bodies do not need to perform sliding and rolling compound motion all the time, so that the abrasion is reduced, and the service life is prolonged.

During at least a portion of the rotation of the upper hinge case 10 about the lower hinge case 20, the upper hinge case 10 may move simultaneously in a designed direction, and the shapes of the first and second tanks 32 and 42 are designed according to the movement trace of the upper hinge case 10.

During at least part of the rotation of the upper hinge case 10 about the lower hinge case 20, the upper hinge case 10 is simultaneously moved in a first direction having a component in a direction toward the case 300 along the lower hinge case 20. In this embodiment, the lower hinge shell 20 faces the box 300, that is, the lower hinge shell points forward from the rear, so that the door 200 moves forward simultaneously during the rotation process, and it can be understood that the movement track of the door 200 is the superposition of two movements of upward rotation and forward translation.

The first shaft body 31 and/or the second shaft body 41 are located in front of the first preset surface, the first preset surface is a plane which passes through the rear lower end of the door body 200 and is inclined towards the rear upper side, an included angle between the first preset surface and the horizontal plane is 45 degrees, when the position of the first shaft body 31 and/or the position of the second shaft body 41 are moved to the front of the first preset surface, the door body 200 of the embodiment can be driven to move forwards more than the existing door body, so that the length of the door body 200 extending backwards is reduced, and the occupation of the rear space is reduced.

Taking the conventional hinge shown in fig. 1 and 2 as an example, when the conventional hinge is installed on a refrigerator, after the door is opened, the distance between the position of the door farthest from the refrigerator body and the rear wall of the refrigerator body is generally 60mm, that is, when the door is closed, the distance between the refrigerator body and the rear wall is at least 60 mm.

And control door body 200 and move forward simultaneously in the in-process of upset in this embodiment, as shown in fig. 3-5, can be so that when door body 200 opened, the distance between the position that door body 200 is furthest apart from box 300 and the box 300 back wall shortens to about 30mm to when making freezer 1000 put, the rear side of freezer 1000 and the distance control of wall body about 30mm can, greatly reduced the space that needs the reservation behind freezer 1000, reduced the waste of space size.

As shown in fig. 6a-8b, the hinge device 100 is shown to rotate from the initial position to the position where the upper hinge shell 10 is completely opened, when the upper hinge shell 10 is turned over to the right position, the upper hinge shell 10 of the present embodiment moves forward for a certain distance relative to the existing hinge that rotates purely, and the reduction of the occupancy of the rear space is achieved.

In addition, the elastic support portion includes a fixed end fixedly connected with the lower hinge housing 20, a receiving end connected with the first rotating portion or the second rotating portion, and an elastic support member disposed between the fixed end and the receiving end. One end of the elastic supporting part is supported on the fixed end, and the other end of the elastic supporting part is connected to the first rotating part or the second rotating part, so that the elastic supporting part can support the first rotating part or the second rotating part and plays a role in supporting the door body 200 to hover.

The elastic supporting part is supported by the fixed end, the sliding end moves parallel to the connecting plate of the box body 300 along with the movement of the sliding shaft 61, namely, the movement in the direction vertical to the connecting plate of the box body 300 is avoided, the moving space required in the box body is reduced, the thickness of the hinge can be reduced, in the upward opening process of the door body 200, the downward force of the door body 200 is applied to the first rotating part and the second rotating part, and the elastic supporting part is connected with the first rotating part or the second rotating part to support the first rotating part or the second rotating part.

Further, as shown in fig. 6a-8b, the elastic supporting member includes a supporting beam 73, a supporting rod 71, and an elastic member 72 sleeved outside the supporting rod 71, the supporting beam 73 includes a fixed end connected to the lower hinge shell 20, one end of the elastic member 72 is fixed to the supporting beam 73, and the other end of the elastic member is abutted against the supporting rod 71. Two ends of the supporting beam 73 are respectively connected to a pair of opposite side walls of the lower hinge shell 20, an opening is formed in the supporting beam 73, the supporting rod 71 penetrates through the opening, the elastic member 72 can be a spring, supporting sleeves can be arranged at the upper end and the lower end of the spring, as shown in fig. 6a, the supporting sleeve at the lower part is abutted against the supporting beam 73 around the opening, and the supporting sleeve at the upper part is abutted against a protrusion extending from the supporting rod 71.

The spring is always in a compressed state, under the elastic action of the spring, when the upper hinge shell 10 turns upwards, the supporting rod 71 moves upwards under the driving of the spring, the spring releases part of the elastic force, and the spring is still in a compressed state, so that the upper hinge shell 10 can be supported to be opened, the door opening labor is saved, and the door body 200 is supported to hover.

The specific structure of the elastic support part has various embodiments:

in one embodiment thereof:

as shown in fig. 6a to 8b, the first rotating part or the second rotating part further includes a third shaft body 80 parallel to the first shaft body 31 and the second shaft body 41, the third shaft body 80 is fixedly connected to the upper hinge housing 10, the elastic support part further includes a linkage part, the linkage part includes a sliding shaft 61, a connecting piece 50 and a limiting part 62, the sliding shaft 61 is slidably connected to the lower hinge housing 20 and parallel to the third shaft body 80; the connecting element 50 includes a receiving end pivotally connected to the third shaft body 80, and the connecting element 50 is also pivotally connected to the sliding shaft 61; the stopper 62 is provided to the lower hinge case 20 and defines a moving direction of the sliding shaft 61.

In this embodiment, the elastic force of the spring is released to the upper hinge shell 10 through the third shaft body 80, and then the first shaft body 31 and the second shaft body 41 release the force, so that the force applied to the first shaft body 31 and the second shaft body 41 is more uniform, the force shared by each shaft body is smaller, and the requirement on the material strength is relatively low.

In another embodiment:

as shown in fig. 9 or 10, the first shaft 31 is disposed on the upper hinge shell 10, the first groove 32 is disposed on the lower hinge shell 20, the elastic support portion further includes a linkage portion, the linkage portion includes a sliding shaft 61, a connecting piece 50 and a limiting portion 62, the sliding shaft 61 is slidably connected to the lower hinge shell 20 and is parallel to the first shaft 31; the connecting member 50 includes a receiving end pivotally connected to the first shaft body 31, and the connecting member 50 is also pivotally connected to the sliding shaft 61; the stopper 62 is provided to the lower hinge case 20 and defines a moving direction of the sliding shaft 61. Two sets of round holes have been seted up on connecting piece 50, and first axis body 31 passes a set of round hole, and sliding shaft 61 passes another group of round hole, and first axis body 31 and sliding shaft 61 all can be at the round hole internal rotation, and when bracing piece 71 upward movement under the effect of spring, promote sliding shaft 61 along spacing 62 upward movement, sliding shaft 61 promotes connecting piece 50 motion, and connecting piece 50 is connecting first axis body 31 and is driving first axis body 31 motion, is supporting the motion of upper hinge shell 10 then.

The stopper 62 is formed as a linear groove formed in a pair of side walls of the lower hinge case 20 which are opposed to each other, and the sliding shaft 61 moves up and down in the groove in the up-down direction. In addition, the stopper 62 may be provided on a bottom wall connecting the two side walls.

In this embodiment, the force is transmitted to the first shaft 31, and then released to the second shaft 41 through the upper hinge shell 10, so that the force applied to the first shaft 31 is greater than that applied to the second shaft 41, and the requirement on the material strength of the first shaft 31 is higher.

In the above two embodiments, the support rod 71 can move linearly in the up-and-down direction.

In other embodiments:

the supporting rod 71 includes a direct receiving end connected to the first shaft 31 or the second shaft 41, and in this embodiment, the supporting rod 71 swings back and forth while moving up and down, but the sliding shaft 61, the limiting portion 62 and the connecting member 50 are eliminated, so the structure is simpler, but the thickness of the hinge is increased by the back and forth swing of the supporting rod 71.

In addition, various embodiments also exist in the specific connection mode of the first rotating part and the second rotating part:

in one embodiment thereof:

as shown in fig. 6a to 9, the first slot 32 and the second slot 42 are disposed on one of the lower hinge shell 20 or the upper hinge shell 10, and the first shaft 31 and the second shaft 41 are disposed on the other of the lower hinge shell 20 or the upper hinge shell 10, at this time, the structural layout is clear.

When the first and second slot bodies 32 and 42 are both located on the upper hinge shell 10, as shown in fig. 6a to 8b, the first and second shaft bodies 31 and 41 are both disposed on the lower hinge shell 20, and pass through the slot on the upper hinge shell 10 between them, and may extend outward from both sides of the upper hinge shell 10, or may pass through the upper hinge shell 10 as shown in the figure.

When the first slot 32 and the second slot 42 are both located on the lower hinge shell 20, as shown in fig. 9, the first shaft 31 and the second shaft 41 are both disposed on the upper hinge shell 10, and may extend outward from both sides of the upper hinge shell 10, or may penetrate through the upper hinge shell 10 as shown in the figure.

In another embodiment:

as shown in fig. 10, the first groove 32 and the second groove 41 are disposed in one of the lower hinge shell 20 or the upper hinge shell 10, and the first shaft 31 and the second groove 42 are disposed in the other of the lower hinge shell 20 or the upper hinge shell 10, which is different from the previous embodiment, so that a groove is formed near one groove, and conversely, if two grooves are formed in one plate at the same time, the distance between the two grooves cannot be too close to each other, otherwise, the position closest to the two grooves is deformed and fails; on the other hand, the requirement on the strength of the material is high, and deformation is prevented.

In the solution of this embodiment, for example, the upper hinge shell 10 is provided with a first slot 32, the lower hinge shell 20 is provided with a second slot 42, and the two slots are respectively provided on the two plate bodies, so that on one hand, there is no problem that the two slots cannot be too close to each other, and thus the size of the hinge device 100 can be made thinner, and on the other hand, because the holes dug on each plate are fewer, the supporting effect is better, and the hinge device is not easy to deform, and the requirement for the material strength of the hinge device 100 is lowered.

Compared with the prior art, the embodiment has the following beneficial effects:

in the process of opening the door 200 of the refrigerator 1000 using the hinge device 100, after the second shaft 41 and the second chute 42 move to the limit positions relatively, the first shaft 31 and the first chute 32 move relatively, so that the sizes of the first chute 32 and the second chute 42 are shorter than the sizes of the existing chutes, and then the first shaft 31 and the first chute 32, and the second shaft 41 and the second chute 42 do not need to be in a sliding rolling friction state all the time, but the sliding rolling motion and the pure rolling motion alternately operate, so that the friction is reduced, the service life of the hinge is prolonged, and meanwhile, the door 200 can move forwards simultaneously, so that when the door 200 is completely opened, the space occupation of the door 200 behind the refrigerator 1000 is reduced, the door 200 can be placed closer to a wall, the influence of insufficient reserved space behind the refrigerator 1000 on the opening angle of the door 200 is also reduced, and the use experience of users is improved.

It should be understood that although the specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it will be appreciated by those skilled in the art that the specification as a whole may be appropriately combined to form other embodiments as will be apparent to those skilled in the art.

The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.

Claims (11)

1. A hinge device, characterized in that it comprises:

a lower hinge housing for connecting the case;

the upper hinge shell is used for connecting the door body;

the first rotating part comprises a first groove body and a first shaft body, and the first groove body limits the sliding distance of the first shaft body;

the second rotating part comprises a second groove body and a second shaft body, the second groove body limits the sliding distance of the second shaft body, and the upper hinge shell is rotatably connected to the lower hinge shell through the first rotating part and the second rotating part;

the upper hinge shell is provided with a first position, a second position and a third position, and the upper hinge shell rotates around the first shaft body in the process of moving from the first position to the second position; during the process that the upper hinge shell moves from the second position to the third position, the upper hinge shell rotates around the second shaft body;

during at least part of the rotation of the upper hinge shell about the lower hinge shell, the upper hinge shell simultaneously moves in a first direction having a component in a direction along the lower hinge shell toward the container body.

2. The hinge device as claimed in claim 1, further comprising an elastic support portion including a fixed end fixedly connected to the lower hinge housing, a receiving end connected to the first rotating portion or the second rotating portion, and an elastic support member disposed between the fixed end and the receiving end.

3. The hinge apparatus as claimed in claim 2, wherein the elastic supporting member comprises a supporting beam, a supporting rod, and an elastic member sleeved outside the supporting rod, the supporting beam comprises the fixed end connected to the lower hinge housing, one end of the elastic member is fixed to the supporting beam, and the other end of the elastic member abuts against the supporting rod.

4. The hinge assembly of claim 3, wherein the support rod includes the receiving end coupled to the first shaft body or the second shaft body.

5. The hinge device of claim 2, wherein the first shaft is disposed in the upper hinge shell, the first groove is disposed in the lower hinge shell, the elastic support portion further comprises a linkage portion, and the linkage portion comprises:

the sliding shaft is connected to the lower hinge shell in a sliding mode and is parallel to the first shaft body;

the connecting piece comprises a bearing end which is pivotally connected with the first shaft body, and the connecting piece is also pivotally connected with the sliding shaft;

and a limiting part which is arranged on the lower hinge shell and limits the movement direction of the sliding shaft.

6. The hinge assembly of claim 2, wherein the first or second rotating portion further comprises a third shaft body parallel to the first and second shaft bodies, the third shaft body being fixedly connected to the upper hinge housing;

the elastic support portion further includes a linkage portion including:

the sliding shaft is connected to the lower hinge shell in a sliding mode and is parallel to the third shaft body;

the connecting piece comprises a bearing end which is pivotally connected with the third shaft body, and the connecting piece is also pivotally connected with the sliding shaft;

and a limiting part which is arranged on the lower hinge shell and limits the movement direction of the sliding shaft.

7. The hinge assembly of claim 1, wherein the first and second slots are disposed in one of the lower hinge housing or the upper hinge housing, and the first and second shafts are disposed in the other of the lower hinge housing or the upper hinge housing.

8. The hinge assembly of claim 1, wherein the first and second slots are disposed in one of the lower hinge shell or the upper hinge shell, and the first and second shafts are disposed in the other of the lower hinge shell or the upper hinge shell.

9. The hinge device according to claim 1, wherein the first shaft is parallel to the second shaft, the first shaft and/or the second shaft is located in front of a first predetermined surface, the first predetermined surface is a plane passing through a rear lower end of the door body and inclined rearward and upward, and an included angle between the first predetermined surface and a horizontal plane is 45 °.

10. A refrigerator comprising the hinge device of any one of claims 1 to 9.

11. The cooler of claim 10, further comprising a chest connected to the lower hinge shell and a door connected to the upper hinge shell, the chest including a back wall, the door having a closed door state and a fully open state, the door being in the closed door state when the upper hinge shell is in the first position and the door being in the fully open state when the upper hinge shell is in the third position;

when the door body is in a fully opened state, the distance between the end part of the door body, which is far away from the rear wall, and the rear wall is smaller than the thickness of the door body.

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