KR102663280B1 - Refrigerator - Google Patents

Abstract

The present invention relates to a refrigerator, comprising: a cabinet forming a storage space; A cabinet bracket mounted on the upper or lower surface of the cabinet; A door that opens and closes the storage space by rotating movement; and a hinge connecting the door and the cabinet, wherein the hinge includes a hinge bracket coupled to the cabinet bracket, a door bracket mounted on the upper or lower surface of the door, and a coupling between the hinge bracket and the door bracket. It is characterized by being composed of a plurality of links.

Description

Refrigerator

The present invention relates to refrigerators.

In general, a refrigerator is a home appliance that allows food to be stored at low temperature in an internal storage space shielded by a door. The stored food is stored by cooling the inside of the storage space using cold air generated through heat exchange with the refrigerant circulating in the refrigeration cycle. It is designed to store food in optimal conditions.

Refrigerators are gradually becoming larger and more multi-functional in accordance with changes in eating habits and the trend toward higher quality products, and refrigerators equipped with various structures and convenience devices that take user convenience into consideration are being released.

The refrigerator may have storage spaces divided into upper and lower sections, and may have a structure in which the upper and lower storage spaces can be opened and closed by upper and lower doors, respectively. Additionally, the upper and lower doors may be rotatably mounted with their upper and lower ends supported by a hinge device, and the upper and lower storage spaces may be opened and closed by rotation of the upper and lower doors.

Representatively, in Korean Patent Publication No. 10-2016-0099982, an intermediate hinge is provided on the front of the main body, and the rotation axis extends vertically on the horizontal support protruding between the upper door and the lower door to support the bottom of the upper door and the lower door. A structure capable of supporting the top of is disclosed.

On the other hand, in such structures, when the refrigerator is installed in close contact with a wall or furniture, or when the refrigerator is placed in parallel, interference with adjacent components occurs when the door rotates due to the thickness of the door. It is placed so that it protrudes more than the adjacent components on the side of the view, or is placed so that there is a gap sufficient to not interfere with it.

In other words, the refrigerator with the above structure has the problem of not being able to achieve a sense of unity when installed as a built-in refrigerator, which is popular recently, or when placed in series with neighboring furniture or home appliances such as refrigerators.

To solve this problem, a hinge device that rotates so as not to interfere with adjacent components when the refrigerator door is rotated has recently been developed.

Representatively, in Korean Patent No. 10-1497295, there is a multi-link hinge that has a compact structure and is formed to have a multi-joint structure, providing a rotation structure that does not interfere with the door's adjacent components when mounted on the refrigerator door. It has been disclosed.

However, the thickness of the hinge of this structure is relatively thick, and when a pair is placed between the upper and lower doors of a refrigerator to support the upper and lower doors, the upper and lower width is very large. You lose.

Even if the thickness of the hinge is made thin to compensate for this, there is a problem in that the hinge is distorted or sags due to the load of the upper and lower doors.

In particular, in the case of the center hinge provided between the upper door and the lower door, it is desirable to have the upper and lower lengths as thin as possible to secure storage space, but in this case, the center hinge cannot sufficiently support the load of the upper door. There is a problem.

The purpose of an embodiment of the present invention is to provide a refrigerator that can be equipped with an upper hinge to prevent the upper door from sagging.

The purpose of an embodiment of the present invention is to provide a refrigerator equipped with a center hinge having a slim thickness.

The purpose of an embodiment of the present invention is to provide a refrigerator equipped with a lower hinge that prevents the lower door from sagging and improves installation workability and convenience.

The purpose of an embodiment of the present invention is to provide a refrigerator equipped with an upper hinge and a lower hinge that prevents interference with adjacent objects and facilitates opening and closing of the upper and lower doors.

A refrigerator according to an embodiment of the present invention is characterized by including a cabinet bracket that securely mounts the rear and one side of the hinge to the cabinet.

In addition, the refrigerator according to an embodiment of the present invention is characterized by including a fixing bracket provided below the upper surface of the door and screwed to the hinge.
A refrigerator according to an embodiment of the present invention includes a cabinet forming a storage space; A cabinet bracket mounted on the upper or lower surface of the cabinet; A door that opens and closes the storage space by rotating movement; and a hinge connecting the door and the cabinet, wherein the hinge includes a hinge bracket coupled to the cabinet bracket, a door bracket mounted on the upper or lower surface of the door, and a coupling between the hinge bracket and the door bracket. It is characterized by being composed of a plurality of links.
The cabinet bracket may be composed of a support part extending along the upper or lower surface of the cabinet, a fastening part bent vertically upward at the front end of the support, and a fixing part that protrudes forward from the support part further than the fastening part. do.
The hinge bracket includes a connection hole through which a fastening member passes, and the fastening part includes a fastening hole formed at a position corresponding to the connection hole, and a fastening boss extending rearward from the fastening hole and having a thread formed on an inner peripheral surface. And, the hinge bracket can be screwed to the fastening boss.
The fixing part may be in contact with one side of the hinge bracket.
The fixing part includes a pair of protrusions that protrude from the top and bottom, respectively, and the protrusions can be inserted into fixing grooves formed on the side surfaces of the hinge bracket.
The hinge may further include a hinge plate provided on the lower surface of the door bracket and having a hinge fastening hole through which a fastening member passes so as to be screwed to the upper surface of the door.
The left and right sides of the hinge plate are longer than the left and right sides of the door bracket, and the hinge fastening hole can be located further outside the door bracket when the door bracket and the hinge plate are combined. do.
The door may include a hinge mounting portion that is recessed and the hinge is mounted, and the hinge mounting portion may include a plurality of mounting holes.
The door may include a fixing bracket provided below the hinge mounting portion and screwed to the hinge plate.
The fixing bracket may include a fixing bracket hole formed at a position corresponding to the mounting hole, a boss part extending downward from the fixing bracket hole, and a boss having a thread formed on an inner peripheral surface.
The fixing bracket hole may communicate with the mounting hole and the hinge fastening hole.
A refrigerator according to an embodiment of the present invention includes a cabinet forming an upper storage space and a lower storage space; an upper door that opens and closes the upper storage space by rotating; an upper hinge connecting the upper door and the cabinet; a lower door that opens and closes the lower storage space by rotating; a lower hinge connecting the lower door and the cabinet; a center hinge disposed between the upper storage space and the lower storage space and rotatably connecting the lower end of the upper door and the upper end of the lower door; and an upper cabinet bracket fixedly mounted on the cabinet and coupled to the upper hinge. The upper hinge includes: a hinge bracket coupled to the upper cabinet bracket; and a door bracket mounted on the upper surface of the upper door; It includes a plurality of links connecting the hinge bracket and the door bracket, and the upper cabinet bracket includes a support portion formed along the upper surface of the cabinet and a fastening portion bent and extended upward from a front end of the support portion.
It includes a lower cabinet bracket coupled to the lower hinge at the front of the cabinet, wherein the lower cabinet bracket includes a lower support portion extending in a front-back direction along a lower surface of the cabinet, and a lower fastening portion bent and extending upward from a front end of the lower support portion. The lower fastening part includes a lower fastening hole penetrating in the front-back direction and can be screwed to the lower hinge.
The lower hinge may include a lower hinge bracket coupled to the lower cabinet bracket, and a lower hinge plate fixed to the lower door and including a lower hinge fastening hole.
The lower cabinet bracket may include a lower bent portion extending downward from one side of the lower support portion and a lower fixing portion extending forward from the lower bent portion to restrain one side of the lower hinge.
The lower fixing part includes lower protrusions protruding from an upper and lower end, respectively, and the lower protrusions can be inserted into a lower fixing groove formed on one side of the lower hinge.
The lower door may include a lower hinge mounting portion that is recessed upwardly on a lower surface to accommodate the lower hinge, and the lower hinge mounting portion may include a plurality of lower mounting portion holes.
The lower door may include a lower fixing bracket provided above the lower hinge mounting portion and connected to the lower hinge plate.
The lower fixing bracket may include a bracket protrusion that protrudes downward and penetrates the lower hinge plate.
The bracket protrusion may penetrate the lower mounting hole and the lower hinge fastening hole.

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The following effects can be expected from the refrigerator according to the proposed embodiment.

The refrigerator according to an embodiment of the present invention includes an upper cabinet bracket fixed to the cabinet and coupled to the upper hinge, which has the effect of preventing sagging due to the load of the upper door.

The upper cabinet bracket includes a support portion formed along the upper surface of the cabinet and a fastening portion extending upward from the support portion, and the fastening portion may be screwed to the rear of the upper hinge. That is, there is an advantage that the upper cabinet bracket can support a portion of the upper door load from above.

In addition, the upper cabinet bracket includes a fixing part capable of restraining one side of the upper hinge, so there is an advantage that the upper hinge can be more firmly fixed to the cabinet.

In addition, a fixing bracket that can be screwed and fixed to the upper hinge is provided below the upper surface of the upper door, which has the advantage that the upper hinge can be more firmly fixed to the upper door.

In particular, the upper hinge is screwed to the upper door, allowing a portion of the upper door load to be pulled upward, thereby preventing the door from sagging. Therefore, it is possible to prevent the rotation process from being interfered with by sagging of the center hinge, which is made of multiple plates and has a slim thickness.

Additionally, the upper hinge may be fixedly mounted on the cabinet with its lower surface mounted on the upper door and the upper cabinet bracket mounted on its back and one side. That is, the upper cabinet bracket may be seated and fixed to the upper surface of the cabinet while being mounted on the upper hinge. Therefore, there is an advantage that refrigerator installation and assembly work is simplified.

A refrigerator according to an embodiment of the present invention includes a lower cabinet bracket fixed to the cabinet and coupled to the lower hinge. In addition, the lower cabinet bracket has the advantage of allowing the rear and one side of the lower hinge to be fixed to the cabinet, so that the lower hinge can be more firmly fixed to the cabinet.

In addition, the upper surface of the lower hinge mounting unit includes a lower fixing bracket including a bracket protrusion to fix the lower hinge from above, so there is an advantage that the lower hinge can be firmly mounted on the lower surface of the lower door.

Additionally, the refrigerator according to an embodiment of the present invention is characterized in that the center hinge is thinner than the vertical direction of the upper hinge and the lower hinge. Therefore, it is possible to prevent the center hinge from being exposed to the outside, and there is an advantage in securing maximum storage space.

Figure 1 is a perspective view showing the installation state of a refrigerator according to an embodiment of the present invention.
Figure 2 is a perspective view of the upper and lower doors of the refrigerator opened.
Figure 3 is a partial perspective view showing the installation state of the upper hinge according to an embodiment of the present invention.
Figure 4 is a partial perspective view showing the upper hinge installed when the upper door is closed.
Figure 5 is a diagram showing a state in which the upper hinge is separated from the cabinet.
Figure 6 is a perspective view showing an upper cabinet bracket constituting an embodiment of the present invention.
Figure 7 is an exploded perspective view showing a structure in which the upper hinge is coupled to the upper door.
Figure 8 is a cross-sectional view taken along line VIII-VIII' of Figure 4.
Figure 9 is a partial perspective view showing the installation state of the lower hinge according to an embodiment of the present invention.
Figure 10 is a partial perspective view showing the installation state of the lower hinge according to an embodiment of the present invention.
Figure 11 is a perspective view showing a lower cabinet bracket constituting an embodiment of the present invention.
Figure 12 is a diagram showing a state in which the lower hinge is separated from the lower door according to an embodiment of the present invention.
Figure 13 is a cross-sectional view taken along line ⅩⅢ-ⅩⅢ' of Figure 1.
Figure 14 is a partial perspective view showing the installation state of the center hinge according to an embodiment of the present invention.
Figure 15 is a perspective view showing the center hinge unfolded at an arbitrary angle.
Figure 16 is a cross-sectional view taken along line XVI-XVI' of Figure 1.

Hereinafter, specific embodiments of the present invention will be described in detail along with the drawings. However, the present invention cannot be said to be limited to the embodiments in which the idea of the present invention is presented, and other inventions that are regressive or other embodiments included within the scope of the present invention can be easily developed by adding, changing, or deleting other components. can be suggested.

Before explaining, define the direction. In an embodiment of the present invention, the direction in which the front of the door shown in Figure 1 faces is forward, the direction toward the inside of the cabinet based on the front of the door is backward, and the direction toward the floor where the refrigerator is installed is downward, and from the floor. The direction moving away can be defined as upward.

Figure 1 is a perspective view showing the installation state of a refrigerator according to an embodiment of the present invention. And, Figure 2 is a perspective view with the upper and lower doors of the refrigerator open.

As shown in the drawing, the refrigerator 1 according to an embodiment of the present invention has an overall appearance by a cabinet 10 forming a storage space with an open front, and doors 20 and 30 that open and close the storage space. This can be formed.

Additionally, the refrigerator 1 can be mounted to harmonize with the furniture or wall O of the indoor space. For example, as shown in FIG. 1, the refrigerator 1 may be installed in an indoor space such as a kitchen, and may be placed adjacent to furniture or a wall O to harmonize with it.

In this arrangement of the refrigerator 1, the front of the refrigerator 1, that is, the front of the doors 20 and 30, may be very close to the furniture or wall O, and may be located on the same or close plane. It can be configured to have a sense of unity. In addition, if necessary, the front of the doors 20 and 30 is provided with a panel made of the same material or a material with the same texture as the furniture or wall O, and the front of the refrigerator 1 is adjacent to the furniture. Alternatively, it can be made to have a more sense of unity with the wall (O).

Looking at the structure of the refrigerator 1 in more detail, the cabinet 10 may form a storage space divided into upper and lower sections. As an example, the cabinet 10 may be divided up and down by a barrier 11 to form an upper storage space 12 above the barrier 11 and a lower storage space 13 below the barrier 11. there is. For example, the refrigerator 1 is a bottom freeze type, and the upper storage space 12 can be used as a refrigerator compartment and the lower storage space 13 can be used as a freezer compartment. Therefore, the upper storage space 12 can be called a refrigerating room, and the lower storage space 13 can be called a freezer.

In addition, the doors 20 and 30 may include an upper door 20 and a lower door 30 that open and close the upper storage space 12 and the lower storage space 13, respectively. The upper door 20 is rotatably mounted on the cabinet 10, and the upper storage space 12 can be opened and closed by rotation. To this end, the upper and lower ends of the upper door 20 may be supported by the upper hinge 40 and the center hinge 60, respectively, and the upper door (20) may be supported by the upper hinge 40 and the center hinge 60. 20) can be rotated to open and close the storage spaces 12 and 13, respectively.

Meanwhile, the upper door 20 may be provided in pairs on both left and right sides, including an upper left door 20a and an upper right door 20b, and each rotates independently to open the upper storage space 12. can be opened and closed.

An upper hinge 40 and a center hinge 60 may be coupled to the upper and lower ends of the upper door 20, respectively, and may be rotatably mounted on the cabinet 10.

Additionally, the upper door 20 may be equipped with a dispenser 201 capable of dispensing water or ice.

Meanwhile, a pair of lower doors 30 may be provided on both left and right sides, and each may be rotated independently to open and close the lower storage space 13. Additionally, a center hinge 60 and a lower hinge 50 may be coupled to the pair of lower doors 30 disposed on both left and right sides, respectively, and may be rotatably mounted on the cabinet 10. Additionally, the pair of lower doors 30 may include a lower left door 30 and a lower right door 30.

A handle or handle space 301 into which the user can place his or her hand may be formed between the bottom of the upper door 20 and the top of the lower door 30.

Meanwhile, the upper hinge 40, center hinge 60, and lower hinge 50 can be rotated in the same trajectory, and the upper door 20 and lower door 30 do not touch neighboring furniture or walls during the opening and closing process. It can rotate smoothly without interfering with (O).

Figure 3 is a partial perspective view showing the installation state of the upper hinge according to an embodiment of the present invention. Figure 4 is a partial perspective view showing the upper hinge installed when the upper door is closed.

As shown in the drawing, the upper hinge 40 may be mounted on a corner formed by the front top and side ends of the cabinet 10, and may be connected to the rear top of the upper door 20.

The upper hinge 40 may have a structure in which multiple links are combined. That is, the rotation trajectory of the upper door 20 can be determined by a plurality of link structures constituting the upper hinge 40, and a pair of upper doors 20 arranged side by side and furniture or walls arranged on the side. It is possible to implement a trajectory that does not interfere with (O). Therefore, the upper hinge 40 can be called a multi-link.

Looking at the structure of the upper hinge 40 in more detail, the upper hinge 40 includes a hinge bracket 41 mounted on the cabinet 10 and a main link 42 axially coupled to the hinge bracket 41. ) may include.

The hinge bracket 41 may be formed in a plate shape made of metal, and the upper and lower surfaces may be bent to form an accommodating space in which a plurality of links, which will be described later, can be accommodated.

In detail, the hinge bracket 41 may include a base portion 411 fixed in contact with the cabinet 10 and a side portion 412 extending forward from one side of the base portion 411.

The base portion 411 may be formed in a plate shape, and a connection hole 413 is formed in the base portion 411 into which a fastening member such as a screw is inserted so that it can be fixedly mounted with the upper cabinet bracket 48, which will be described later. It can be.

The connection holes 413 may be formed in plural numbers at positions corresponding to the fastening holes 482a of the upper cabinet bracket 48 and spaced apart vertically.

Additionally, the connection hole 413 may be formed by connecting a plurality of holes with different diameters. This structure has the advantage of making the insertion and assembly process of the fastening member easier.

In addition, a fixing groove 414 recessed inward is formed in the side portion 412 so that the fixing part 484 of the upper cabinet bracket 48 can be inserted. The fixing grooves 414 may be formed in plural numbers on the side portion 412, spaced apart in the vertical direction.

It may further include a side portion 415 bent and extending forward from the top and bottom of the base portion 411. The side portion 415 may be bent perpendicular to the base portion 411 and extend forward.

In addition, the upper hinge 40 may include a first sub-link 43 and a second sub-link 44 that are axially coupled to the main link 42.

Each of these links 42, 43, 44, and 45 may be axially coupled to form an overall quadrilateral shape, and may be folded or unfolded to provide a trajectory around which the upper door 20 can be rotated.

Additionally, the hinge bracket 41 and the second sub-link 44 may be connected by a linear damper (not shown) whose both ends are axially coupled. The linear damper can slow down the rotation when the upper hinge 40 is folded, that is, when the upper door 20 is closed, and relieves shock.

In addition, the first sub-link 43 may be provided with a spring (not shown) that forces the rotation of the first sub-link 43 while being tensioned or compressed according to the rotation of the first sub-link 43. . The spring may be a compression spring or an extension spring. The spring is compressed during the process of closing the upper door 20, and may be restored just before the upper door 20 is closed.

And, by the action of the linear damper and the spring, the multiple links 42, 43, 44, and 45 constituting the upper hinge 40 can rotate while maintaining the set trajectory.

In addition, the upper hinge 40 is axially coupled to the ends of the first sub-link 43 and the second sub-link 44 and may include a door bracket 45 coupled to the upper surface of the upper door 20. You can.

The door bracket 45 may be provided at a position facing the hinge bracket 41. That is, the door bracket 45 may form a part of the front surface of the upper hinge 40.

In detail, the door bracket 45 is formed to include a front surface that forms a portion of the front surface of the upper hinge 40, an upper surface extending rearward from the top and bottom of the front surface, and a lower surface, respectively.

The front of the door bracket 45 may be formed in a plate shape. Additionally, the upper and lower surfaces of the door bracket 45 may be formed in a shape that does not interfere with the movement of the multiple links. For example, the upper and lower surfaces of the door bracket 45 may include an inclined surface on one side of which is inclined.

In addition, the door bracket 45 includes a door bracket hole 451 through which the rotation axes of the first sub-link 43 and the second sub-link 44 can pass. The door bracket holes 451 may be formed in plural numbers on the upper and lower surfaces of the door bracket 45, respectively.

For example, this rotation axis is rotatably connected to a plurality of links and the door bracket 45. In addition, the rotation axis is connected to the upper hinge plate 47, which will be described later, so that the upper hinge 40 can be fixed to the upper door 20.

In addition, the upper hinge 40 may include an upper hinge plate 47 that is screwed to the upper door 20.

The upper hinge plate 47 is seated on the hinge mounting portion 21 formed on the upper surface of the upper door 20 and serves to couple the upper hinge 40 and the upper door 20. The upper hinge plate 47 may be formed in a plate shape and includes a plurality of through holes so that the upper hinge 40 can be fixedly mounted to the upper door 20 .

In detail, the upper hinge plate 47 may include a plate hole 471 formed so that the rotation axis penetrating the door bracket 45 can pass through. The plate hole 471 may be formed at a position corresponding to the door bracket hole 451 formed in the door bracket 45.

Therefore, the rotation axis passing through the door bracket hole 451 passes through the upper hinge plate hole 471, so that when the upper hinge 40 is mounted on the upper door 20, the upper hinge 40 can be prevented from being separated from the upper door 20.

In addition, the upper hinge plate 47 includes a hinge fastening hole 472 through which a fastening member passes so that it can be screwed and fixed to the upper surface of the upper door 20.

The hinge fastening holes 472 may be formed in a pair on both sides of the upper hinge plate 47. In addition, when the door bracket 45 is coupled to the upper hinge plate 47, the hinge fastening hole 472 may be formed to extend further outward than the door bracket 45. In detail, the left and right sides of the upper hinge plate 47 may be longer than the left and right sides of the door bracket 45.

Meanwhile, in the embodiment of the present invention, the upper hinge plate 47 is described as a component of the upper hinge 40 as an example, but the upper hinge plate 47 is a hinge mounting portion of the upper door 20. In that it is mounted and fixed to (21), it may be provided separately or may be viewed as a component of the upper door (20).

Hereinafter, with reference to the drawings, a structure in which the upper hinge 40 is fixedly mounted on the front top of the cabinet and the rear top of the door will be examined in more detail with reference to the drawings.

Figure 5 is a diagram showing a state in which the upper hinge is separated from the cabinet. And, Figure 6 is a perspective view showing an upper cabinet bracket constituting an embodiment of the present invention.

The upper hinge 40 may be fixedly mounted on an upper cabinet bracket 48 provided on the upper surface of the cabinet 10.

A pair of through slots (not shown) are formed on the upper surface of the cabinet 10 and spaced apart from each other by a predetermined distance. Also, the fastening bracket is provided inside the cabinet 10. Additionally, the fastening bracket is provided with first and second fastening ribs 101 and 102 that respectively penetrate the through slots and protrude upward from the upper surface of the cabinet 10 by a predetermined height.

The first fastening rib 101 penetrates a through slot relatively adjacent to the front end of the upper surface of the cabinet 10. The first fastening rib 101 may have an upper end extending to both sides, forming an overall T-shape.

In addition, the second fastening rib 102 penetrates a through slot located relatively rearward than the first fastening rib 101. The second fastening rib 102 may be formed overall in an L shape.

Additionally, the upper cabinet bracket 48 may be located on the upper surface of the cabinet 10.

The upper cabinet bracket 48 includes a support portion 481 extending along the upper surface of the cabinet 10, and a fastening portion 482 bent and extending upward from the front end of the support portion 481.

The support portion 481 may be formed to extend from one end of the cabinet 10 in the front-back direction. In addition, the support part 481 is in contact with the upper surface of the cabinet 10, and may be formed with a plurality of through holes 481a through which a fastening member can pass so as to be fixed to the cabinet 10.

In addition, the support portion 481 may be formed with a through slot through which the first fastening rib 101 and the second fastening rib 102 penetrate upward.

In addition, a through hole 492 through which a fastening member passes so as to be fixed to the fastening bracket is formed on one front side of the support portion 481. The through hole 492 allows the fastening bracket and the upper cabinet bracket 48 to be connected by a fastening member.

Meanwhile, a fixing lever 49 may be provided to fix the upper cabinet bracket 48 to the fastening bracket. The fixing lever 49 includes a lever fixing part 493 fixed to the first fastening rib 101 and a lever support part 494 fixed to the second fastening rib 102.

The lever fixing part 493 includes a rotation hole formed with a diameter corresponding to the width of the first fastening rib 101, thereby preventing the first fastening rib 101 from being removed to the outside. In addition, the lever support part 494 is formed to extend a predetermined length from one side of the lever fixing part 493 and is seated on the second fastening rib 102.

The support portion 481 allows the load of the upper hinge 40 to be distributed toward the cabinet 10 when the upper hinge 40 is mounted on the fastening portion 482. Accordingly, there is an advantage that the upper hinge 40 can be more firmly mounted on the upper cabinet bracket 48.

The fastening portion 482 may extend upward from the front end of the support portion 481 and may be formed to contact a portion of the upper hinge 40.

The fastening part 482 is made of a plate shape with rounded edges, and may be formed to extend from one end of the support part 481 to the other end.

In detail, one side of the fastening portion 482 includes a fastening hole 482a formed to be coupled to the upper hinge 40 through a fastening member 491.

The fastening hole 482a may be formed at a position corresponding to the connection hole 413 formed in the upper hinge 40. In detail, a plurality of fastening holes 482a may be formed on one side of the fastening part 482, spaced apart in the vertical direction.

Additionally, the hinge bracket 41 of the upper hinge 40 is fixedly mounted in contact with the front surface of the fastening portion 482. In detail, the hinge bracket 41 of the upper hinge 40 has a connection hole 413 formed by penetrating forward and backward in a position corresponding to the fastening hole 482a. And, the fastening member penetrates the fastening hole 482a of the fastening part 482 and the connection hole 413 of the upper hinge 40, so that the upper hinge 40 and the upper cabinet bracket 48 are connected. Make sure it is installed fixedly.

A fastening boss 483 is formed on one rear side of the fastening part 482 to accommodate fastening members such as screws.

The fastening boss 483 extends rearward from the back of the fastening part 482 to have a predetermined thickness, and may be formed in plural pieces spaced apart vertically in the fastening part 482. In addition, a screw thread is formed on the inner peripheral surface of the fastening boss 483, so that it can be screwed together with a fastening member penetrating the connection hole 413.

That is, the rear of the upper hinge 40 is screw-coupled with the upper cabinet bracket 48. Accordingly, the upper hinge 40 can be more firmly fixed to the cabinet 10. In addition, the upper hinge 40 is fixedly mounted on the cabinet 10 and is connected to the upper door 20. With this structure, the upper hinge 40 can support a portion of the load of the upper door 20.

Additionally, a portion of the lower end of the fastening portion 482 may be cut to include a cut portion 485 spaced upwardly from the support portion 481. The cut portion 485 may be located on one side where the fixing portion 484 is provided. The cutout portion 485 can prevent the fastening portion 482 from interfering when the upper hinge 40 is mounted on the upper cabinet bracket 48.

The upper cabinet bracket 48 may further include a fixing part 484 extending forward from one side of the fastening part 482.

The fixing part 484 may be connected to the fastening part 482 in a somewhat rounded shape. That is, the fixing part 484 may include a round part 486 bent to be rounded forward at one end of the fastening part 482. This round part 486 allows the fastening part 482 and the fixing part 484 to be connected more elastically. Therefore, there is an advantage in preventing the upper cabinet bracket 48 from being damaged by external impact during the process of assembling or repairing the upper hinge 40.

The fixing part 484 may be formed to contact a portion of the side surface of the upper hinge 40. In detail, the vertical length of the fixing part 484 may be smaller than the vertical length of the upper hinge 40. Also, the length of the fixing part 484 in the front-back direction may be formed to correspond to the length of the hinge bracket 41 of the upper hinge 40 in the front-back direction. That is, the fixing part 484 may be formed in a structure that surrounds a portion of the side surface of the upper hinge 40.

In addition, the fixing part 484 may include a pair of protrusions 487 that protrude from the top and bottom, respectively.

In detail, the fixing part 484 has a first protrusion 488 that protrudes upward from the top and is coupled to one side of the upper hinge 40, and a first protrusion 488 that protrudes downward from the bottom, forming the upper hinge 40. It may include a second protrusion 489 coupled to one side.

The protrusion 487 may be inserted into and fixed to the fixing groove 414 formed on the side of the upper hinge 40.

In detail, the side of the hinge bracket 41 of the upper hinge 40 includes a fixing groove 414 formed through the fixing part 484 at a position corresponding to the fixing part 484. That is, the fixing grooves 414 may be formed in plural pieces on one side of the hinge bracket 41, spaced apart in the vertical direction, and are formed to have a structure that is fitted with the fixing portion 484.

In addition, the protrusion 487 protrudes from the top or bottom of the fixing part 484, extends from an extension part 487a with one side rounded and from one end of the extension part 487a, and forms the fixing groove 414. ) may be composed of an insertion portion 487b inserted into the.

The extension portion 487a is formed to protrude outward while the upper hinge 40 is fixed to the upper cabinet bracket 48, and the insertion portion 487b is formed to be inserted into the fixing groove 414. It can be. Additionally, it may be formed in a direction that intersects the fixing portion 484, and its upper surface may be formed to be flat.

With this structure of the fixing part 484, the upper cabinet bracket 48 can fix one side of the upper hinge 40. Therefore, the upper hinge 40 can be more firmly fixed and mounted on the upper cabinet bracket 48, and the upper hinge 40 can be damaged by the upper cabinet bracket 48 due to rotation of the upper door and external shock. It has the advantage of preventing it from falling away.

Additionally, the upper cabinet bracket 48 may be mounted on the upper surface of the cabinet 10 while being fixed to the upper hinge 40. In detail, when the upper hinge 40 is mounted on the upper door 20, the rear and one side of the upper hinge 40 may be fixed to the upper cabinet bracket 48. The upper cabinet bracket 48 fixed to the upper hinge 40 may be seated on the upper surface of the cabinet 10 by penetrating the first fastening rib 101 of the fastening bracket provided on the upper surface of the cabinet 10. there is. Then, the fixing lever 49 is rotated toward the first fastening rib 101 and the second fastening rib 102 to fix the upper cabinet bracket 48 fixed to the upper hinge 40 to the cabinet ( 10) It can be fixedly mounted on the top.

With this structure, when installing a refrigerator at home, in the process of mounting the upper door 20 to the cabinet 10, the upper hinge 40 can be fixed to the cabinet 10, thereby reducing installation and assembly work. There is an advantage to making it easier.

Meanwhile, a main hinge cover 15 may be mounted on the upper surface of the cabinet 10. The main hinge cover 15 shields the upper cabinet bracket 48 and can accommodate the upper cabinet bracket 48 while being mounted on the cabinet 10. That is, the upper cabinet bracket 48 is shielded by the main hinge cover 15 and can be prevented from being exposed to the outside.

Meanwhile, the upper hinge 40 may be mounted on the hinge mounting portion 21 formed on the upper surface of the upper door 20. Hereinafter, the structure in which the upper hinge 40 is mounted on the upper door 20 will be described in detail.

Figure 7 is an exploded perspective view showing a structure in which the upper hinge is coupled to the upper door. And, Figure 8 is a cross-sectional view taken along line VIII-VIII' of Figure 4.

A recessed hinge mounting portion 21 may be formed on the upper surface of the upper door 20 so that the upper hinge 40 can be mounted. Additionally, the hinge mounting portion 21 may include a partially stepped surface.

The upper hinge 40 may be mounted on the hinge mounting portion 21. That is, the rear and one side of the upper hinge 40 are fixed to the upper cabinet bracket 48 and are mounted on the cabinet 10, and the lower surface of the upper hinge 40 is attached to the hinge mounting portion of the upper door 20 ( 21) and has a structure that is fixedly mounted.

The hinge mounting portion 21 may include a mounting hole 22 through which a fastening member 473 penetrating the upper hinge plate 47 passes. The mounting hole 22 may be formed at a position corresponding to the hinge fastening hole 472 formed in the upper hinge plate 47 when the upper hinge 40 is mounted on the hinge mounting portion 21. .

The hinge mounting portion 21 may be depressed downward to further form a rotation axis mounting portion 211 into which the rotation axis of the upper hinge 40 is inserted, and the rotation axis mounting portion 211 may be used to attach the rotation axis of the upper hinge 40. This can be inserted.

A fixing bracket 23 screwed to the upper hinge plate 47 may be provided on the lower side of the hinge mounting portion 21. The fixing bracket 23 is formed to accommodate the fastening member 491 penetrating the mounting hole 22, so that the upper hinge 40 can be more firmly fixed to the upper door 20. .

In detail, the fixing bracket 23 includes a fixing bracket hole 24 formed at a position corresponding to the mounting hole 22. The fixing bracket hole 24 penetrates in the vertical direction so that the fastening member penetrating the hinge fastening hole 472 and the mounting hole 22 can pass through.

In addition, the fixing bracket 23 may include a boss portion 25 extending downward from the fixing bracket hole 24. That is, the boss portion 25 may be formed to extend downward from the lower surface of the fixing bracket 23. In addition, threads are formed on the inner peripheral surface of the boss portion 25 so that it can be screwed to the fastening member 491.

That is, in the upper hinge 40, a fastening member such as a screw penetrates the bracket fastening hole 482a, the mounting hole 22, and the hinge fastening hole 472 in order, thereby forming the boss portion 25. ) can be screwed together to be fixed to the upper door 20.

With this structure, the upper hinge 40 can be easily fixedly mounted on the upper door 20 without interfering with its movement trajectory, simplifying the assembly process, and attaching screws to the upper door 20. It has the advantage of being installed more firmly.

Additionally, the upper hinge 40 is screwed to the upper door 20, allowing a portion of the load of the upper door 20 to be pulled upward. Accordingly, the center hinge 60 does not support the entire load of the upper door 20, so that the center hinge 60 can be relatively relieved of the burden of supporting the load of the upper door 20. Accordingly, even if the center hinge 60 is formed to have a relatively thin vertical thickness compared to the upper hinge 40 or the lower hinge 50, there is an advantage in effectively preventing the upper door 20 from sagging.

Hereinafter, the lower hinge 50 for rotatably supporting the lower door 30 will be described in detail.

Figure 9 is a partial perspective view showing the installation state of the lower hinge according to an embodiment of the present invention. And, Figure 10 is a partial perspective view showing the installation state of the lower hinge according to an embodiment of the present invention.

As shown in the drawing, the lower hinge 50 is mounted on the front lower part of the cabinet 10 and can rotatably support the lower end of the lower door 30 from below.

The lower door 30 may be configured as a pair in the same manner as the upper door 20, and may be placed on both left and right sides. The width of the lower door 30 may be the same as the width of the upper door 20, so that the left and right sides of the front of the refrigerator 1 appear symmetrical when viewed from the front.

And, the lower door 30 may rotate along the same trajectory as the upper door 20. Accordingly, the lower hinge 50 for rotating the lower door 30 may have substantially the same structure as the upper hinge 40.

That is, the lower hinge 50 includes a lower hinge bracket 51 mounted on the cabinet 10 and a main link 52 axially coupled to the lower hinge bracket 51.

The lower hinge bracket 51 may include a lower base portion 511 fixed to the cabinet 10 and a lower side portion 512 extending forward from one side of the lower base portion 511.

The lower base portion 511 may be formed in a plate shape, and the lower base portion 511 has a lower connection hole 513 into which a fastening member such as a screw is inserted so that it can be fixedly mounted with the lower cabinet bracket 58. This can be formed.

The lower connection holes 513 may be formed in plural numbers spaced apart vertically at positions corresponding to the fastening holes 482a of the lower cabinet bracket 58.

Additionally, the lower connection hole 513 may be formed by connecting a plurality of holes with different diameters. This structure has the advantage of making the insertion and assembly process of the fastening member easier.

In addition, a lower fixing groove 514 recessed inward is formed in the lower side portion 512 so that the fixing part 484 of the lower cabinet bracket 58 can be inserted. The lower fixing groove 514 may be formed in plural numbers on the lower side portion 512, spaced apart in the vertical direction.

It may further include a lower side portion 515 bent and extending forward from the upper and lower ends of the lower base portion 511. The lower side portion 515 may be bent perpendicular to the lower base portion 511 and extend forward.

And, the lower hinge 50 includes a first sub-link 53 and a second sub-link 54 that are axially coupled to the main link 52.

Each of these links 52, 63, 54, and 55 may be axially coupled to form an overall quadrilateral shape, and may be folded or unfolded to provide a trajectory along which the lower door 30 can be rotated. Additionally, the hinge bracket 51 and the second sub-link 54 may be connected by a lower linear damper (not shown) whose both ends are axially coupled. The lower linear damper can slow down the rotation of the lower hinge 50 when the lower hinge 50 is folded, that is, when the lower door 30 is closed, and relieves shock.

In addition, the first sub-link 53 may be provided with a spring (not shown) that forces the rotation of the first sub-link 53 while being tensioned or compressed according to the rotation of the first sub-link 53. . The spring may be a compression spring or an extension spring. The spring is compressed during the process of closing the lower door 30, and may be restored just before the lower door 30 is closed. Therefore, the spring can assist the rotation of the first sub-link 53 at the moment the lower door 30 is closed, and the lower door 30 can effectively support the operation of the lower linear damper 46. It can be closed.

And, by the action of the lower linear damper 46 and the spring, the multiple links 52, 53, 54, and 55 constituting the lower hinge 50 can rotate while maintaining the set trajectory. .

In addition, the lower hinge 50 is axially coupled to the ends of the first sub-link 53 and the second sub-link 54 and includes a lower door bracket 55 coupled to the lower surface of the lower door 30. It can be included.

The lower door bracket 55 may be provided at a position facing the lower hinge bracket 51. Additionally, the lower hinge door bracket 45 may form a portion of the front of the lower hinge 50.

In detail, the lower door bracket 55 is formed including a front surface, and an upper surface and a lower surface extending rearward from the upper and lower surfaces of the front, respectively.

In addition, the upper and lower surfaces of the lower door bracket 55 have a lower door bracket hole 551 through which the rotation axis 552 connecting the first sub-link 53 and the second sub-link 54 can pass, respectively. Includes. The lower door bracket holes 551 may be formed in plural numbers on each of the upper and lower surfaces.

The lower hinge 50 may further include a lower hinge plate 57 formed to allow a fastening member to pass therethrough so that it can be mounted and fixed to the lower surface of the lower door 30.

The lower hinge plate 57 includes a lower plate hole 571 through which the lower hinge rotation axis passes, allowing the lower door bracket 55 and the lower hinge plate 57 to be fixed.

The lower hinge plate 57 may be formed to be longer on both left and right sides than the lower door bracket 55. Accordingly, with the lower door bracket 55 coupled to the lower hinge plate 57, the lower hinge 50 can be fixedly mounted on the lower door 30.

The lower plate holes 571 may be formed in plural numbers at positions corresponding to the lower door bracket holes 551.

In addition, the lower hinge plate 57 may further include a lower hinge fastening hole 572 through which a bracket protrusion 34, which will be described later, passes so that it can be fixedly mounted on the lower surface of the lower door 30.

The lower hinge fastening holes 572 may be formed in plural numbers and spaced apart from the lower door bracket hole 551. Additionally, the lower hinge fastening hole 572 may be formed at a location that does not contact the lower door bracket 55 when the lower door bracket 55 is coupled to the lower hinge plate 57 . With this structure, it is preferable that the lower hinges 50 be formed as a pair on the outermost side to facilitate the task of fixing the lower hinges 50 to the lower door 30.

In one embodiment of the present invention, the lower hinge plate 57 is described as being included in the lower hinge 50, but the lower hinge plate 57 is located on the lower surface of the lower door 30. In that it is mounted and fixed, the lower hinge plate 57 is a separate component, but can also be considered included in one component of the lower door 30.

Hereinafter, the structure in which the lower hinge is mounted on the cabinet and the lower door will be described in detail.

Figure 11 is a perspective view showing a lower cabinet bracket constituting an embodiment of the present invention. And, Figure 12 is a diagram showing a state in which the lower hinge is separated from the lower door according to an embodiment of the present invention. And, FIG. 13 is a cross-sectional view taken along line ⅩⅢ-ⅩⅢ' of FIG. 1.

As shown in the drawing, the lower hinge 50 has the upper surface of the lower door bracket 55 coupled to the lower surface of the lower door 30, and the rear and one side of the lower hinge bracket 51 are connected to the cabinet ( 10) Can be combined and mounted on the front.

A lower cabinet bracket 58 may be provided on the lower surface of the cabinet 10 to secure the lower hinge 50.

The lower cabinet bracket 58 includes a lower support portion 581 extending in the front-back direction along the lower surface of the cabinet 10, and a lower fastening portion 582 formed by bending and extending upward from the front end of the lower support portion 581. Includes.

The lower support part 581 protrudes upward from the upper surface, and is fixed to the lower surface of the cabinet 10 by passing through a cabinet fixing part 581a formed to be fixed to the lower surface of the cabinet 10 and a fastening member such as a screw. A cabinet fixing hole 581b may be formed to allow

The cabinet fixing part 581a and the cabinet fixing hole 581b may be spaced apart and formed in plural numbers.

In addition, a leg fixing part 581c may be further formed in front of the lower support part 581 to secure the leg 90 that prevents the refrigerator from falling. The inner peripheral surface of the leg fixing portion 581c is formed with threads, so that the threaded portion of the leg 90 can be inserted and screwed together.

The lower fastening part 582 is formed by bending and extending upward from the front end of the lower fastening part 582, and is formed to restrain the rear surface of the lower hinge 50.

The lower fastening portion 582 may be formed with a lower fastening hole 482a penetrating in the front-back direction. The lower fastening holes 482a may be formed in plural numbers at positions corresponding to the lower connection holes 513 formed in the lower hinge bracket 51.

The lower fastening hole 482a and the lower connection hole 513 are coupled by a fastening member such as a screw, so that the lower hinge 50 can be fixed to the cabinet 10.

In addition, the lower cabinet bracket 58 has a lower bent portion 583 extending downward from one side of the lower support portion 581, and extends forward from the lower bent portion 583 to form the lower hinge 50. It may include a lower fixing part 584 that restrains one side of the.

The lower bent portion 583 may be formed by bending and extending downward from a side edge of the lower support portion 581 that is closer to the side of the cabinet 10. The lower bent portion 583 may be formed to extend from the front end to the rear end of the lower support portion 581.

In addition, the lower fixing part 584 may be formed at the front end of the lower bent part 583. Lower protrusions 587 protruding outward may be formed at the upper and lower ends of the lower fixing part 584, respectively. In detail, the lower fixing part 584 may include a first lower protrusion 588 protruding upward from the top and a second lower protrusion 589 protruding downward from the bottom.

The lower protrusion 587 is partially inserted into the lower fixing groove 514 of the lower hinge bracket 51 to restrain the side surface of the lower hinge 50.

In addition, the lower protrusion 587 includes a lower extension portion 587a having one side rounded and a lower insertion portion 587b extending from one end of the lower extension portion 587a and being inserted into the lower fixing groove 514. It can be composed of:

The lower extension portion 587a is formed to protrude outward while the lower hinge 50 is fixed to the lower cabinet bracket 58, and the lower insertion portion 587b is inserted into the lower fixing groove 514. It can be formed to be inserted. Additionally, it may be formed in a direction that intersects the lower fixing part 584, and its upper surface may be formed to be flat.

With this structure of the lower fixing part 584, the lower cabinet bracket 58 can fix one side of the lower hinge 50. Therefore, the lower hinge 50 can be more firmly fixed and mounted on the lower cabinet bracket 58, and the lower hinge 50 can be damaged by the lower cabinet bracket 58 due to rotation of the lower door and external shock. There is an advantage in preventing it from falling away.

The lower hinge 50 according to an embodiment of the present invention is fixed on one side along with the rear of the lower hinge 50 by the lower cabinet bracket 58, so that it can be more firmly mounted on the cabinet 10. There are benefits to this.

Meanwhile, the lower hinge 50 may be accommodated in the lower hinge mounting portion 31 formed by recessing upward on the lower surface of the lower door 30.

A lower fixing bracket 33 connected to the lower hinge plate 57 may be provided on the upper side of the lower hinge mounting portion 31. The lower fixing bracket 33 may be provided inside the lower door 30 and positioned above the lower surface of the lower door 30.

The lower fixing bracket 33 includes a bracket protrusion 34 that protrudes downward and penetrates the lower hinge plate 57. The bracket protrusions 34 may be formed in plural pieces spaced apart in the left and right horizontal directions, and when the lower hinge 50 is mounted on the lower hinge mounting portion 31, they may penetrate the lower hinge fastening hole 572. It can be formed to any height possible.

The lower fixing bracket 33 may further include fixing bracket holes 35 penetrating upward and downward. A plurality of fixing bracket holes 35 may be formed, and the rotation axis of the lower hinge 50 may pass through them. In addition, a fixing pin capable of fixing the lower hinge 50 and the lower door 30 is additionally inserted into the fixing bracket hole 35 to secure the lower hinge 50 and the lower door 30. It can be fixed more firmly.

With this structure, the lower hinge 50 has the bracket protrusion 34 connected to the lower connection hole 513 and the lower fastening hole while the lower hinge plate 57 is mounted on the lower hinge mounting portion 31. Through (582a), it can be fixed to the lower door 30.

The lower hinge mounting portion 31 may be depressed downward to further form a rotating shaft mounting portion 311 into which the rotating shaft of the lower hinge 50 is inserted, and the rotating shaft mounting portion 311 may be used to attach the lower hinge 50 to the lower hinge 50. A rotation axis can be inserted.

Below, the center hinge 60 and the mounting structure of the center hinge 60 according to an embodiment of the present invention will be described in detail.

Figure 14 is a partial perspective view showing the installation state of the center hinge according to an embodiment of the present invention. And, Figure 15 is a perspective view showing the center hinge unfolded at an arbitrary angle. And, Figure 16 is a cross-sectional view taken along line XVI-XVI' of Figure 1.

As shown in the drawing, the center hinge 60 rotatably supports the upper door 20 and the lower door 30. The center hinge 60 is disposed in the space between the lower surface of the upper door 20 and the upper surface of the lower door 30, and may be mounted on the front of the cabinet 10.

The center hinge 60 may be mounted on the front of the barrier 11, and is connected to the lower surface of the upper door 20 and the upper surface of the lower door 30, respectively, to connect the upper door 20 and the lower door ( 30) can be rotated independently.

That is, the center hinge 60 includes a center hinge bracket 61 mounted on the barrier 11, an upper link module 70 composed of a plurality of links axially coupled to the center hinge bracket 61, and It includes a lower link module 80, where the upper link module is coupled to the lower surface of the upper door 20, and the lower link module 80 may be coupled to the upper surface of the lower door 30.

In addition, the upper link module 70 is a structure that supports the upper door 20 from below, and therefore, the possibility of sagging or deformation due to the load of the upper door 20 may be relatively higher. Accordingly, the upper link module 70 may be formed to be thicker than the lower link module 80 to prevent it from sagging or deforming downward due to the load of the upper door 20.

Meanwhile, the upper and lower width of the hinge bracket 61 may be determined depending on the upper and lower width of the barrier 11. The barrier 11 may be designed to have a thickness that can partition the upper storage space 12 and the lower storage space 13 in an insulated state.

It would be desirable to minimize the vertical width of the center hinge 60 in order to maximize the storage capacity of the upper storage space 12 and the lower storage space 13.

In addition, the center hinge 60 can allow the upper link module 70 and the lower link module 80 to be arranged together on one hinge bracket 61 to minimize the upper and lower width. Additionally, the center hinge 60 may have a compact structure so as to occupy the minimum space between the cabinet 10 and the upper door 20 and lower door 30.

The center hinge bracket 61 includes a center base portion 611 fixed in contact with the cabinet 10, and a center side portion 612 bent and extending forward from the top and bottom of the center base portion 611. may include.

A plurality of fastening holes may be formed in the center base portion 611, and a fastening member such as a screw 615 is inserted into the plurality of fastening holes to attach the center hinge bracket 61 to the front of the cabinet 10. It can be fixedly installed.

On the other hand, the upper link module 70 and the lower link module 80 are configured to have basically the same rotation trajectory with only a difference in thickness and coupling structure due to the thickness, and therefore the length and coupling structure of each link may be formed identically or similarly.

Meanwhile, the upper link module 70 and the lower link module 80 are mounted on the hinge bracket 61 to have the same rotation axis, but each can be rotated independently. The main rotation axis 62 and the sub rotation axis 63 mounted on the hinge bracket 61 may be arranged to penetrate both the upper link module 70 and the lower link module 80, and the upper link module 70 ) and the lower link module 80 maintain a distance from each other so that the upper link module 70 and the lower link module 80 do not interfere with each other in the process of rotation.

The upper link module 70 may include the upper main link 71, the first upper sub-link 73, the second upper sub-link 74, and the door bracket 75. At this time, the first upper sub-link 73 and the second upper sub-link 74 may be rotatably connected to each other between the upper main link 71 and the door bracket 75. In addition, the upper link module 70 may further include an upper connection link 72 connecting the second upper sub-link 74 and the hinge bracket 61.

In addition, the lower link module 80 may have an overall planar shape identical to that of the upper link module 70, and has the same structure as the upper link module 70 even in a folded or unfolded state when viewed from above. It can have a shape.

The lower link module 80 may include the lower main link 81, the first lower sub-link 83, the second lower sub-link 84, and the lower door bracket 85. At this time, the first lower sub-link 83 and the second lower sub-link 84 may be rotatably connected to each other between the lower main link 81 and the lower door bracket 85. In addition, the lower link module 80 may further include a lower connection link 82 connecting the second lower sub-link 84 and the hinge bracket 61.

Additionally, the center hinge 60 may include a center door bracket 45 to support the upper door 20 from below.

The center hinge 60 is located between the upper door 20 and the lower door 30 and may be mounted on the front of the cabinet 10.

In detail, an upper decoration 26 may be provided on the lower surface of the upper door 20. The upper decoration 26 forms the lower surface of the upper door 20, and an upper link mounting portion 221 may be formed at one end. The upper link mounting portion 221 is recessed upward, and the upper shaft 752 of the upper link module 70 can be inserted. That is, the door bracket 45 is coupled to the upper link mounting portion 221 so that the upper link module 70 can be mounted to support the upper door 20 from below, and the upper link module 70 It can be rotated by .

A lower decoration 36 may be provided on the upper surface of the lower door 30. The lower decoration 32 forms the upper surface of the lower door 30, and a lower link mounting portion 321 formed by being depressed downward may be formed at one end. The lower shaft 852 of the lower link module 80 may be inserted into the lower link mounting portion 321. That is, the door bracket 55 is coupled to the lower link mounting portion 321 so that the lower door 30 can be rotated by the lower link module 80.

Additionally, the center hinge 60 may be mounted on the front of the barrier plate 112 forming the front of the barrier 11. Additionally, the center hinge 60 may be located in the middle of the upper and lower heights of the barrier 11.

Meanwhile, the barrier 11 may include a barrier case 111 in which an insulating material is accommodated, and a barrier plate 112 forming the front surface of the barrier 11. Additionally, a pair of heating elements 113 may be disposed on the rear surface of the barrier plate 112. The heating element 113 may be located at a position corresponding to the upper door gasket 27 and the lower door gasket 27 on the back of the upper door 20 and the lower door 30.

Additionally, the center hinge 60 may be disposed between the heating elements 113. With this structure, damage to the heating element 113 can be prevented even if the hinge bracket 61 is mounted on the barrier 11 by fastening screws, and the upper door gasket 21 and the lower door gasket 31 ) can also be prevented from interfering with the center hinge 60.

Claims (20)

cabinets forming storage space;
A cabinet bracket mounted on the cabinet;
a door that opens and closes the storage space and includes a hinge mounting portion formed by a recessed upper or lower surface; and
Includes a hinge connecting the door and the cabinet,
The hinge is,
A hinge bracket coupled to the cabinet bracket,
A door bracket mounted on the hinge mounting portion,
a plurality of links coupled between the hinge bracket and the door bracket, and
It is coupled to the door bracket and includes a hinge plate including a plate hole connected to a rotation axis penetrating the door bracket,
The cabinet bracket is,
A support part coupled to the upper surface of the cabinet, and
A fastening portion extending upward from the support portion to be coupled to the rear side of the hinge bracket,
When the door is closed, the hinge bracket is disposed to overlap the bottom surface of the hinge mounting portion,
The refrigerator further includes a fixing bracket coupled to the bottom of the hinge mounting portion and fixing the hinge plate to the door.
According to claim 1,
The hinge bracket is,
A base portion coupled to the fastening portion, and
It includes a side portion extending forward from one end of the base portion,
A refrigerator in which the side portion overlaps the bottom surface of the hinge mounting portion when the door is closed.
According to claim 1,
The hinge bracket is,
A base part coupled to the fastening part, and
It includes a side portion extending forward from the top and bottom of the base portion,
A refrigerator in which the side portion overlaps the bottom surface of the hinge mounting portion when the door is closed.
According to claim 1,
As the door is opened from a closed state, the overlap between the hinge bracket and the bottom of the hinge mounting portion is reduced.
According to claim 1,
A refrigerator in which the hinge bracket is disposed to non-overlap with the bottom of the hinge mounting portion when the door is opened at the maximum angle.
According to claim 1,
The hinge bracket includes a connection hole through which a fastening member passes,
The fastening part,
A refrigerator comprising a fastening hole formed at a position corresponding to the connection hole, wherein the hinge bracket is coupled to the cabinet bracket through the fastening member.
delete According to claim 1,
The hinge mounting portion includes a mounting hole,
The fixing bracket includes a fixing bracket hole at a position corresponding to the mounting hole,
A refrigerator in which a fastening member penetrates the mounting hole and the fixing bracket hole.
According to claim 1,
A refrigerator further comprising a hinge cover that shields the fastening portion on the upper surface of the cabinet.
According to claim 1,
A refrigerator in which an area of at least one link among the plurality of links changes with the bottom surface of the hinge mounting portion as the door is opened and closed. delete delete delete delete delete delete delete delete delete delete

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