KR20110072774A - Refrigerator and assemble method of mullion - Google Patents

Abstract

PURPOSE: A refrigerator and mullion assembling method thereof are provided to reduce the loss of power required for powering a heating member by reducing the capacity of the heating member. CONSTITUTION: A refrigerator comprises a cabinet, a pair of doors, a mullion, a heating member(490), a guide member, and a forming liquid injection port(432). The doors open and close the storage space of the cabinet. The mullion is installed in one door. When the doors are closed, the mullion shields a space between the doors. The heating member heats surfaces which are in contact with the doors. The guide member guides the movement of the mullion. The forming liquid injection port is opened at one side of the mullion. Foaming liquid is injected to the inside the mullion through the forming liquid injection port.

Description

Refrigerator and assemble method of mullion}

The present embodiment relates to a method of assembling a refrigerator and a refrigerator mullion.

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

The refrigerator may include a refrigerator compartment and a freezer compartment, and storage members such as shelves, drawers, and baskets are provided in the refrigerator compartment and the freezer compartment. The refrigerator compartment and the freezer compartment are shielded by a door. The refrigerator is classified into various types according to the arrangement of the refrigerator compartment and the freezer compartment and the shape of the door.

The refrigerator is gradually becoming larger and more versatile in accordance with the change in diet and the quality of the product, and refrigerators having various structures and convenience devices are considered.

For example, the refrigerator may be provided with an ice making device for making ice, and a dispenser may be further provided to allow the iced ice to be taken out. The ice making apparatus may be provided in a freezing compartment or a freezing compartment door, and may also be provided in a refrigerating compartment or a refrigerating compartment door in which an insulation space is formed.

In addition, there is a refrigerator in which one storage space is shielded by two doors that are opened and closed on both sides. Such a refrigerator is provided with a mullion on one of two doors to seal between the doors while the two doors are closed.

An object of the present embodiment is to provide a refrigerator which improves heat insulation performance by injecting a foaming liquid into the mullion provided in any one of the refrigerating chamber doors on both sides.

In another aspect, an object of the present embodiment is to provide a mullion assembly method of a refrigerator, which is assembled first to form an external shape of a mullion, and then injected with a foaming liquid inside the mullion to improve thermal insulation performance.

According to an aspect of the present disclosure, a refrigerator includes a cabinet in which a storage space is formed; A pair of doors provided in the cabinet to open and close the storage space by rotation; A mullion provided in any one of the pair of doors, the mullion shielding the space between the pair of doors when the door is closed by being unfolded by a rotation along the guide of the upper surface of the cabinet; A heating member provided inside the mullion and heating a surface in contact with the door; A guide member provided in the cabinet to guide rotation of the mullion; And a foaming liquid inlet opening at one side of the mullion and injecting a foaming liquid for thermal insulation inside the mullion.

According to another aspect, a method of assembling a refrigerator mullion is provided on one side of a pair of refrigerator doors, and in a method of assembling a refrigerator mullion that shields a space between the pair of doors when the pair of doors are closed, Fixing the heating member to the front plate forming the front surface of the mullion; Coupling the front plate on which the heat generating member is mounted and a body forming an outer shape of the mullion; Filling a foam liquid for thermal insulation inside the mullion through a foam liquid inlet opening at one side of the mullion; And mounting a connection member rotatably connecting the mullion to one side of the door.

According to the proposed embodiment, a foaming liquid inlet is formed in the body of the mullion so that the foaming liquid can be injected into the mullion. Then, the heat insulating material is formed by the injection of the foam liquid in the mullion.

Therefore, the mullion is improved in thermal insulation performance it is possible to prevent heat loss through the mullion.

And, when foam insulation of the interior of the mullion, it is possible to reduce the capacity of the heat generating member provided inside the mullion to prevent condensation. Therefore, power loss due to the operation of the heat generating member can be reduced, and power consumption can be improved.

In addition, by forming the foam inlet on one side of the body corresponding to the side of the refrigerating compartment door, the foam liquid inlet is not exposed to the outside in the folded state can be prevented from deteriorating the appearance by exposure of the inlet have.

Hereinafter, exemplary embodiments will be described in detail with reference to the accompanying drawings. In this embodiment, as an example, a bottom freeze type refrigerator in which a refrigerating compartment is disposed above the freezing compartment will be described.

FIG. 1 is a perspective view of a refrigerator according to a first embodiment, and FIG. 2 is a perspective view of a part of a refrigerator door according to a first embodiment in an open state.

1 and 2, the refrigerator 1 according to the present embodiment includes a cabinet 10 forming an appearance and refrigerator doors 11 and 14 movably connected to the cabinet 10.

The cabinet 10 is formed with a storage compartment for storing food. The storage compartment includes a refrigerating compartment 102 and a freezing compartment 104 positioned below the refrigerating compartment 102.

In addition, a guide 150 is provided at the center of the inner upper surface of the refrigerating chamber 102. The guide 150 is to force the rotation of the mullion (400) described below, it is provided between the pair of refrigerating chamber door 11 that shields the refrigerating chamber (102). Therefore, when the pair of refrigerator compartment doors 11 are all closed, the pair of refrigerator compartment doors 11 may be positioned between the pair of refrigerator compartment doors 11 and mounted at the front end of the refrigerator compartment compartment 102.

A recessed guide part 152 is formed on the bottom surface of the guide 150. The guide part 152 is formed to be opened to the front of the guide 150 so that when the refrigerating chamber door 11 is closed, the pivoting projection 410 of the mullion 400 toward the inside of the guide part 152. It is formed so that it can be inserted. In addition, the guide part 152 is formed to be rounded inward so as to rotate the mullion 400 by approximately 90 ° angle when the pivoting protrusion 410 is inserted.

On the other hand, the refrigerator doors 11 and 14 include a refrigerating compartment door 11 for opening and closing the refrigerating compartment 102 and a freezing compartment door 14 for opening and closing the freezing compartment 104.

The refrigerating compartment door 11 includes a plurality of doors 12 and 13 arranged from side to side. The plurality of doors 12 and 13 include a first refrigerator compartment door 12 and a second refrigerator compartment door 13 disposed on the right side of the first refrigerator compartment door 12. The first refrigerating compartment door 12 and the second refrigerating compartment door 13 may move independently.

The freezer compartment door 14 includes a plurality of doors 15 and 16 arranged up and down. The plurality of doors 15 and 16 include a first freezer compartment door 15 and a second freezer compartment door 16 positioned below the first freezer compartment door 15.

The first and second refrigerating compartment doors 12 and 13 may be rotatable, and the first and second freezing compartment doors 15 and 16 may be slidably operated.

On the other hand, any one of the said 1st and 2nd refrigerator compartment door is equipped with the dispenser 17 for taking out water or ice. In FIG. 1, for example, the dispenser 17 is provided in the first refrigerating compartment door 12.

In addition, any one of the first refrigerator compartment door 12 and the second refrigerator compartment door 13 is provided with an ice making assembly (to be described later) for generating and storing ice.

In the present embodiment, the dispenser 17 and the ice making assembly may be provided in the first refrigerating compartment door 12 or the second refrigerating compartment door 13. The mullion 400 may also be provided in the first refrigerating compartment door 12 or the second refrigerating compartment door 13.

Accordingly, hereinafter, the dispenser 17, the ice making assembly, and the mullion 400 are disposed in the refrigerating compartment door 11 collectively referred to as the first refrigerating compartment door 12 and the second refrigerating compartment door 13. do.

3 is a perspective view of a refrigerating compartment door with an ice maker door open according to a first embodiment;

1 to 3, the refrigerating compartment door 11 includes an outer case 111 and a door liner 112 coupled to the outer case 111. The door liner 112 forms the rear surface of the refrigerating compartment door 11.

The door liner 112 forms an ice compartment 120. An ice making assembly 200 for generating and storing ice is disposed in the ice making chamber 120. The ice making chamber 120 is opened and closed by an ice making door 130. The ice making room door 130 is rotatably connected to the door liner 112 by a hinge 139.

In addition, the ice making chamber door 130 is provided with a handle 140 to be coupled to the door liner 112 while the ice making chamber door 130 is closed with the ice making chamber 130. The door liner 112 has a handle engaging portion 128 to which a portion of the handle 140 is coupled. The handle coupling portion 128 receives a portion of the handle 140.

The ice making chamber door 130 is provided with a receiving member 160 for storing food. The accommodating member 160 is formed in a basket shape, and is detachably mounted to the rear surface of the ice making chamber door 130.

A gasket 132 is provided around the front surface of the ice making chamber door 130 (the surface facing the inner side of the ice making chamber). The gasket 132 may be in contact with an open front end of the ice making chamber 120 to seal the ice making chamber 120.

On the other hand, the door liner 112 forms the rear surface of the refrigerating chamber door 11 including the ice making chamber 120. A portion of the rear side of the refrigerating compartment door 11 formed by the door liner 112 protrudes below the ice making chamber, that is, the rear portion of the dispenser 17, than the portion where the ice making chamber 120 is formed. Therefore, the rear surface of the refrigerating compartment door 11 formed by the door liner 112 may be formed stepped. That is, when comparing the overall thickness of the refrigerating compartment door 11, the portion where the ice making chamber 120 is formed becomes thinner than the portion below the ice making chamber 120.

The cabinet 10 includes a main body supply duct 106 for supplying cold air to the ice making chamber 120 and a main body recovering duct 108 for recovering cold air from the ice making chamber 120. The body supply duct 106 and the body return duct 108 may be in communication with a space in which an evaporator, not shown, is located.

The refrigerating chamber door 11 has a door supply duct 122 for supplying the cool air of the main body supply duct 106 to the ice making chamber, and the cold air of the ice making chamber 120 to the main body recovery duct 108. A door return duct 124 is included.

The door supply duct 122 (FIG. 2) and the door return duct (124-FIG. 2) extend from the outer wall of the door liner 110 to the inner wall that forms the ice making chamber 120. The door supply duct 122 and the door recovery duct 124 are disposed in the vertical direction, and the door supply duct 122 is disposed above the door recovery duct 124. However, in the present embodiment, the position of the door supply duct 122 and the door recovery duct 124 is not limited.

And, in the state in which the refrigerating compartment door 11 closes the refrigerating compartment 102, the door supply duct 122 is in communication with the main body supply duct 106, the door recovery duct 124 is in communication with the main body It is aligned and in communication with the recovery duct 108.

The ice making chamber 120 is provided with a cold air duct 290 for guiding the cold air passing through the door supply duct 122 to the ice making assembly 200. The cold air duct 290 is formed with a flow path through which cold air flows, and the cold air passing through the cold air duct 290 is finally supplied to the ice making assembly 200 side. The cold air duct 290 allows the cool air to be concentrated to the ice making assembly 200 side, it is possible to produce the ice quickly.

The ice making assembly 200 defines a space where ice is generated, rotates the ice maker 210 to support the generated ice, and separates the ice maker 210 from the ice maker 210. It includes a drive source 220 for providing power to the power, and the gear box 224 for transmitting the power of the drive source 220 to the ice maker 210.

In addition, the ice making assembly 200 includes an ice bin 300 for storing the ice separated from the ice maker 210, and a freezing sensor and the ice bin for detecting the full ice of the ice bin 300. 300) The ice discharge member and the motor for driving the ice discharge member may be further included to discharge the ice from the inside.

A gasket 113 is provided on the rear surface of the refrigerating compartment door 11. The gasket 113 is formed along a rear circumference of the refrigerating compartment door 11 to prevent leakage of cold air between the refrigerating compartment door 11 and the cabinet 10 while the refrigerating compartment door 11 is closed.

In addition, a magnet is provided inside the gasket 113 to allow the gasket 113 to be in close contact with the front end of the cabinet 10 by magnetic force in a state where the refrigerating compartment door 11 is closed. In particular, a magnet enters the inside of the gasket 113 provided at a position corresponding to a hinge of the refrigerating compartment door 11 and a far end of the refrigerating compartment door 11, and is configured to be in close contact with the front surface of the mullion 400.

Meanwhile, the mullion 400 may be mounted on the first refrigerating compartment door 12 of the refrigerating compartment door 11. The mullion 400 is to prevent leakage of cold air between the pair of refrigerating chamber doors 11 when all of the pair of refrigerating chamber doors 11 are closed. Therefore, it is formed to be rotated and optionally folded to the first refrigerator compartment door side.

4 and 5 are diagrams illustrating a folded state and an unfolded state of the mullion according to the first embodiment, and FIG. 6 is an exploded perspective view of the mullion. 7 is a cross-sectional view taken along line II ′ of FIG. 4.

4 to 7, the mullion 400 has an outer shape formed by a front plate 420 forming a front surface and a body 430 coupled to the front plate 420 to form a remaining portion. do. In addition, the body 430 is mounted by a connection member 440 connecting the first refrigerating compartment door 12.

In detail, the front plate 420 is formed of a steel material. The front plate 420 forms a front surface of the mullion 400, and the gasket 113 in which the magnet is built may be in close contact with the front plate 420 when the refrigerating compartment door 11 is closed. It is composed. The front plate 420 is formed by bending the outer circumference, and the bent portion of the front plate 420 is coupled to the body 430.

The body 430 forms the remaining portion except for the front surface formed by the front plate 420, the foam insulation 450 is filled therein when the mullion 400 and the body 430 is coupled A space that can be formed is formed.

The body 430 may be injection-molded with a plastic material, and the pivoting protrusion 410 protrudes from an upper surface of the body 430. The pivoting protrusion 410 is formed to have a predetermined curvature and is formed to be inserted into the guide part 152 when the refrigerator compartment door 11 is closed.

When the refrigerating chamber door 11 is completely closed, the pivoting protrusion 410 rotates along the inner side of the guide part 152 to rotate the mullion 400 at an approximately 90 ° angle. . At this time, the front plate 420 of the mullion 400 is rotated and unfolded so that the front plate 420 may face the front surface.

 On the other hand, the bottom of the body 430 is formed with a foam liquid injection hole 432. The foam injection hole 432 is formed through the body 430 as a passage for injecting the foam liquid into the inside of the mullion 400 for thermal insulation after assembly of the mullion 400.

The foam injection hole 432 may be formed on a rear surface of the mullion 400 that is in contact with the mullion 400 in a folded state so that the mullion 400 is not folded. In addition, the foam injection hole 432 is formed on the bottom of the rear surface of the mullion 400 is configured not to be noticeable to the user.

The foam liquid injected into the foam liquid inlet 432 is the same as a conventional foam liquid injected into the cabinet 10 of the refrigerator. The foam liquid is evenly filled in the mullion 400 so that the foam of the mullion 400 itself. It will improve the insulation performance.

In addition, the inlet cap 434 is coupled to the foam inlet 432. The inlet cap 434 is configured to shield the foaming liquid inlet 432 after completing the injection of the foaming liquid into the mullion 400 through the foaming liquid inlet 432.

That is, the inlet cap 434 is formed in a shape corresponding to the foam liquid inlet 432, it is configured to be fixedly coupled to the inlet cap 434. In addition, when the injection hole cap 434 is mounted, an outer surface of the injection hole cap 434 may be formed to have a sense of unity with the outer surface of the body 430.

On the other hand, the body 430 is formed with a connection member mounting portion 460 coupled to the connection member 440. The connection member mounting portion 460 includes an upper mounting portion 462 formed on the upper portion of the body 430, an intermediate mounting portion 464 formed on an approximately center portion of the body 430, and a lower portion of the body 430. The lower mounting portion 466 is formed in.

In addition, an upper connection member 442 is axially coupled to the upper mounting portion 462, and a lower connection member 446 is axially coupled to the lower mounting portion 466. In addition, an intermediate connection member 444 is axially coupled to the intermediate mounting portion 464. Therefore, the mullion 400 is configured to be rotated around the plurality of connection members 440.

The upper mounting portion 462, the intermediate mounting portion 464, and the lower mounting portion 466 are recessed inward so that they are not interfered by the connecting members 440 when the mullion 400 is completely folded. The recessed upper mounting portion 462, the intermediate mounting portion 464, and the lower mounting portion 466 may be formed to be recessed in a shape corresponding to the shape of the connection members 440.

The upper connection member 442 is coupled to the upper mounting portion 462. The upper connection member 442 includes an upper coupling part 442a fixed to the refrigerating compartment door 11 side and an upper rotation shaft 442b axially coupled to the upper mounting part 462 of the mullion 400. . Thus, the mullion 400 can rotate about the upper rotation shaft 442b.

In addition, an upper cover 472 is provided below the upper coupling part 442a. The upper cover 472 is for facilitating the assembly of the upper connecting member 442, and inserts the upper connecting member 442 below the upper mounting portion 462 to the upper cover 472. It is configured to shield the lower side of the upper mounting portion 462.

In addition, the lower mounting member 466 is coupled to the lower connecting member 446. The lower connection member 446 includes a lower coupling part 476a fixed to the refrigerating compartment door 11 side, and a lower rotation shaft 476b axially coupled to the lower mounting part 466 of the mullion 400. . Thus, the mullion 400 can rotate about the lower rotation axis 476b.

The lower cover 476 is provided below the lower coupling part 476a. The lower cover 476 is for facilitating the assembly of the lower connecting member 446. The lower cover 476 is inserted into the lower mounting part 466 after being inserted into the lower cover 476. It is configured to shield the lower side of the lower mounting portion 466.

On the other hand, the lower connection member 446 is provided with an elastic member 480 for forcing the rotation of the mullion 400. The elastic member 480 has a structure similar to a torsion spring, and has a coil-shaped winding portion 482, an extension portion 484 protruding from both ends of the winding portion 482, and the respective extension portions ( 484 is bent and consists of fixing parts 485 and 487 fixed to the body 430 and the connection member 440, respectively.

In addition, a body side inserting portion 436 into which the fixing portion 485 of the upper side of the elastic member is inserted is formed at one side of the body 430 adjacent to the lower mounting portion 466. In addition, one side of the connection member 440 is formed with a connection member side insertion portion 447 into which the fixing portion 487 below the elastic member 480 is inserted.

Therefore, in a state in which no external force is applied to the mullion 400, the mullion 400 is folded by the elastic member 480, that is, the body 430 and the side surface of the refrigerating compartment door 11. You will be in contact. When the mullion 400 is unfolded by the rotation of the mullion 400, an external force is applied to the elastic member 480 to elastically deform the mullion 400. In this state, when the external force applied to the mullion 400 is removed, the mullion 400 rotates the mullion 400 again by the restoring force of the elastic member 480.

In addition, the intermediate mounting portion 464 is coupled to the intermediate connecting member 444. The intermediate connection member 444 includes an intermediate coupling part 444a fixed to the refrigerating compartment door 110 and an intermediate rotation shaft 444b axially coupled to the intermediate mounting part 464 of the mullion 400. Thus, the mullion 400 can rotate about the intermediate rotation shaft 444b.

An intermediate cover 474 is provided below the intermediate mounting portion 464. The intermediate cover 474 is for facilitating the assembly of the intermediate connecting member 444. The intermediate cover 474 is inserted below the intermediate mounting part 464 to the intermediate cover 474. Is configured to shield the lower side of the intermediate mounting portion 464.

In addition, a wire entrance 438 through which the power line 492 of the heating member 490 mounted inside the mullion 400 may be further formed at an approximately center of the intermediate mounting portion 464.

The heat generating member 490 is attached to or adjacent to one side of the front plate 420, and is configured to generate heat when the power is applied to heat the front plate 420. Therefore, it may be configured to prevent or eliminate the occurrence of condensation on the front surface of the mullion 400 by the temperature difference with the outside air.

On the other hand, the heating member 490 inside the mullion 400 may be a heating member 490 of the wire material having a predetermined diameter. The heat generating member 490 is filled with a foam heat insulating material 450 inside the mullion can effectively prevent condensation even at a smaller capacity. Of course, the heat generating member 490 may be formed in a plane shape rather than a wire shape.

In addition, the middle mounting portion 464 of the body 430 is provided with a power line entrance 438 through which the power line 492 connected to the heating member 490 is guided outward. The power line 492 may be guided to the inside of the refrigerating compartment door 11 through the power line guide 445 formed in the intermediate connecting member 444 after being led to the power line entrance 438. . Accordingly, the power line 492 of the heat generating member 490 may be connected to the heat generating member 490 without being exposed to the outside of the mullion 400 or the connection member 440.

On the other hand, the reinforcing member 470 is further mounted inside the body 430. The reinforcing member 470 is attached to the inner side of the body 430, it is formed long in the longitudinal direction of the body 430. The reinforcing member 470 is formed of a metal material, and both ends thereof are bent to prevent the body 430 from twisting. In addition, when the mullion 400 rotates by the reinforcing member 470, the upper and lower portions of the mullion 400 may be rotated simultaneously without being rotated separately from each other.

Looking at the assembly process of the mullion having a configuration as described above as follows.

8 is a view illustrating a state of the mullion when all the refrigerating compartment doors are closed.

5 to 7, in order to assemble the mullion 400, first, the heating member 490 is attached to the rear surface of the front plate 420, and the reinforcement is provided on the inner surface of the body 430. The member 470 is fixedly mounted. The front plate 420 and the body 430 are coupled to each other, and a bent portion of the front plate 420 is inserted into the coupling portion 439 of the body 430.

When the front plate 420 and the body 430 are coupled to each other, the power line 492 connected to the heating member 490 inside the body 430 is connected to the power line entrance 438 and the power line guide 445. ) To guide the refrigerating compartment door (11) to supply power.

In the state in which the front plate 420 and the body 430 are coupled to each other, the foaming liquid is injected through the foaming liquid inlet 432. The foam is evenly filled throughout the interior of the mullion 400 so that the heat insulating material 450 by the foam is completely formed in the mullion 400.

After the molding of the heat insulating material 450 by the foaming is completed, the inlet cap 434 is coupled to the foaming liquid inlet 432 to completely shield the foaming liquid inlet 432.

After filling the foam into the mullion 400, the upper connecting member 442 is mounted on the upper mounting part 462, and the upper cover 472 is mounted to couple the upper connecting member 442. Will complete. In addition, the other side of the upper connection member 442 is mounted on the side of the refrigerating compartment door 11 so that the mullion 400 is rotatable.

In addition, the intermediate connecting member 444 is mounted on the intermediate mounting unit 464, and the intermediate cover 474 is mounted to complete the coupling of the intermediate connecting member 444. In addition, the lower connection member 446 is mounted on the lower mounting portion 466, and the lower cover 476 is mounted to complete the coupling of the lower connection member 446.

Meanwhile, when the lower connection member 446 is coupled, the upper fixing part 485 of the fixing parts 485 and 487 of the elastic member 480 is fixed to the body side inserting part 436 and the elastic member 480. The lower fixing part 487 of the fixing parts 485 and 487 of the c) is fixed to the connection member insertion part 447 and configured to rotate the mullion 400 by an elastic restoring force.

2 to 8, when both the first refrigerator compartment door and the second refrigerator compartment door are completely closed, the state becomes as shown in FIG. 8. In this state, the mullion 400 is rotated by the guide 150 to fully unfold, and the front plate 420 faces forward.

In this state, the gasket 113 of the refrigerating compartment door 11 is in close contact with the front plate 420 by a magnet embedded in the gasket 113. Therefore, the space between the first refrigerating compartment door 12 and the second refrigerating compartment door 13 on both the left and right sides is completely shielded by the mullion 400.

In addition, the mullion 400 may be insulated by the heat insulating material 450 formed by filling the inside of the mullion 400, and the heat generating member 490 does not generate condensation on the front plate 420. ) Periodically operates to heat the front plate 420.

Meanwhile, when the refrigerating compartment door 11 is opened, the mullion 400 is folded as shown in FIG. 4, so that the mullion 400 interferes with the user during the opening and closing process of the refrigerating compartment door 11. Will be prevented.

When the refrigerating compartment door 11 is closed, the rotation protrusion 410 of the upper part of the mullion 400 is inserted into the guide part 152 of the guide 150. When the refrigerating compartment door 11 is further closed in such a state, the pivoting protrusion 410 is further rotated along the guide part 152 to unfold the mullion 400.

When the refrigerating compartment door 11 is completely closed, the mullion 400 is fully expanded as shown in FIG. 8, to prevent leakage of cold air between the first refrigerating compartment door 12 and the second refrigerating compartment door 13. do.

On the other hand, when the refrigerating compartment door 11 is opened in a closed state, when the pivoting projection 410 is out of the guide 150 through the guide portion 152, the external force applied to the mullion 400 Since the mullion 400 is removed by the elastic member 480 is returned to the original state as shown in FIG.

1 is a perspective view of a refrigerator according to a first embodiment;

2 is a perspective view of a part of the refrigerating compartment door according to the first embodiment is open;

3 is a perspective view of a refrigerating compartment door in an open state of the ice-making compartment door according to the first embodiment.

4 and 5 are views showing a folded state and an unfolded state of the mullion according to the first embodiment.

6 is an exploded perspective view of the mullion;

7 is a cross-sectional view taken along line II ′ of FIG. 4.

8 is a view illustrating a state of the mullion in a state in which all the refrigerating compartment doors are closed.

Claims (15)

A cabinet in which a storage space is formed; A pair of doors provided in the cabinet to open and close the storage space by rotation; A mullion provided in any one of the pair of doors, the mullion shielding a space between the pair of doors when the door is closed by being unfolded by a rotation along the guide of the upper surface of the cabinet; A heating member provided inside the mullion and heating a surface in contact with the door; A guide member provided in the cabinet to guide rotation of the mullion; And A refrigerator including a foaming liquid opening, which is opened at one side of the mullion and is injected with a foaming liquid for thermal insulation inside the mullion. The method of claim 1, The inlet is a refrigerator, characterized in that formed on the surface facing the side of the door in the folded state. The method of claim 1, Refrigerator, characterized in that the inlet cap is coupled to the inlet cap to shield the inlet after the injection of the foam liquid. The method of claim 1, The mullion, A front plate which forms a front surface and is formed of a metal material; A body coupled to the front plate to form an overall appearance; A connection member rotatably connecting the body to the door; And an elastic member provided in the connection member and providing an elastic force for the return of the mullion. The method of claim 4, wherein In the pair of doors, And a gasket having a magnet housed therein to be in close contact with the front plate when the door is closed. The method of claim 4, wherein The foaming liquid inlet is formed in the body refrigerator. The method of claim 4, wherein The elastic member, Coil-shaped winding part, An extension part extending straight at both ends of the winding part, The refrigerator, characterized in that consisting of a fixing portion which is bent from the extension and fixed to the body and the connecting member, respectively. The method of claim 4, wherein The body is a refrigerator, characterized in that the depression is formed in a corresponding shape so that the connection member is accommodated when the mullion is folded. The method of claim 4, wherein Refrigerator, characterized in that the front end of the body is further formed with a coupling portion is inserted both ends of the front plate. The method of claim 4, wherein The connection member is a refrigerator, characterized in that the power line guide portion for guiding the power line of the heating member is further formed. In the assembly method of the refrigerator mullion provided on any one side of the pair of refrigerator doors, and shielding the space between the pair of doors in a state in which the pair of doors is closed, Fixing a heating member to a front plate forming a front surface of the mullion; Coupling the front plate on which the heat generating member is mounted and a body forming an outer shape of the mullion; Filling a foam liquid for thermal insulation inside the mullion through a foam liquid inlet opening at one side of the mullion; And mounting a connection member for rotatably connecting the mullion to one side of the door. The method of claim 11, After injecting the foaming liquid to the inside of the mullion Assembly method of the refrigerator mullion, characterized in that for shielding the foam injection port with a cover. The method of claim 11, The foam liquid inlet, Assembly method of a refrigerator mullion, characterized in that formed on one side of the body facing the door when the mullion is folded. The method of claim 11, Assembling method of the refrigerator mullion, characterized in that the power line is connected to the heating member is guided to the connection member side when the connection member is mounted. The method of claim 11, The assembly of the refrigerator mullion, characterized in that when the front plate and the body is assembled, the front plate is inserted into the inner coupling portion formed on the front end of the body.

Images