WO2010131815A1

WO2010131815A1 - Refrigerator

Info

Publication number: WO2010131815A1
Application number: PCT/KR2009/004969
Authority: WO
Inventors: 이수원; 신석홍; 이경은
Original assignee: 엘지전자주식회사
Priority date: 2009-05-12
Filing date: 2009-09-03
Publication date: 2010-11-18
Also published as: EP2431689A1; US20120091874A1; KR20100122156A; CN102405385A

Abstract

The present invention relates to a refrigerator, and more specifically, to a refrigerator that enables the doors and the internal elements of a main body to be assembled in various ways. The refrigerator according to an embodiment of the present invention comprises a main body where a plurality of storage compartments are formed; a plurality of doors which selectively shield the front of the storage compartments, and are rotatable in at least one direction and in the other direction; a hinge unit which is provided in at least one side of the storage compartments in a separable manner, and provides the center of rotation for the doors; and a plurality of hinge holes which are formed in at least one side of the storage compartments, and are coupled to the hinge unit. The refrigerator according to the present embodiment facilitates the assembly of drawers, shelves and doors at the position where a user desires.

Description

Refrigerator

The present invention relates to a refrigerator, and more particularly, to a refrigerator in which an assembly of components and a door inside a main body can be made in various forms.

In general, the refrigerator is provided with a plurality of storage compartments for storing the food to freeze or refrigerate the food, and one side of the storage compartment is opened to store and take out the food. The front of the storage compartment is provided with a door for selectively shielding the storage compartment.

In addition, the inside of the storage compartment may be provided with shelves and drawers for storing the storage.

According to the conventional refrigerator, the shelf, the drawer, etc. are provided at a predetermined position inside the main body forming the storage compartment, and the refrigerator door is generally provided on one side of the main body so as to be rotatable or withdrawable.

In this case, even if the user wants to use any one of the shelves or drawers, there is a problem that it is impossible to change or rearrange the configuration inside the main body.

In addition, since the door is rotated or drawn out in a fixed state on one side of the main body, there is a problem that it is impossible for the user to reposition the door to a desired position or to reassemble the door for rotation in the desired direction.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a refrigerator capable of arranging or assembling components provided in a storage compartment at a desired position of a user.

In addition, an object of the present invention is to provide a refrigerator in which use of a freezing compartment, a refrigerating compartment, and a switching compartment is made for a plurality of compartments.

Embodiments according to the present invention for achieving the above object, a plurality of storage chamber is formed; A plurality of doors selectively shielding the front of the storage compartment and being rotatably provided in at least one direction and another direction; A hinge unit detachably provided on at least one side of the storage compartment and providing a rotation center of the door; And a plurality of hinge holes formed on at least one side of the storage compartment and to which the hinge units are coupled.

According to another aspect, an embodiment includes: a body having at least one storage compartment and another storage compartment; A partition that partitions the storage compartments; A shelf detachably coupled to the one storage compartment and detachable from the other storage compartment; A drawer detachably coupled to the other storage compartment and capable of coupling to the one storage compartment; A withdrawal guide provided in the one storage compartment and the other storage compartment, for guiding the withdrawal of the shelves and drawers; And a withdrawal roller provided on the shelf and drawer, respectively, and guided by the withdrawal guide.

According to the refrigerator according to the embodiment of the present invention, since the drawer or the shelf provided inside the main body can be removed and repositioned in a desired position, the responsiveness according to the user's request can be improved.

In addition, since the user can selectively employ a drawer or a shelf frequently used, there is an effect that the space of the storage compartment can be efficiently used.

In addition, since the door can be rotated by combining the door in a direction convenient for the user to operate, there is an advantage that the convenience of use can be increased and the satisfaction with the product can be increased.

In addition, since a switching room that can be converted into a freezing compartment or a refrigerating compartment is provided in one storage compartment among the plurality of storage compartments, there is an effect that the storage compartment space can be effectively utilized according to a user's request.

1 is a perspective view showing the appearance of a refrigerator according to a first embodiment of the present invention;

2 is a perspective view showing an open state of a door of a refrigerator according to a first embodiment of the present invention;

3 is a perspective view showing an internal configuration of a refrigerator main body according to a first embodiment of the present invention.

4 is an exploded perspective view of a part of a refrigerator main body according to a first embodiment of the present invention;

5 is a perspective view showing the configuration of a basket according to the first embodiment of the present invention.

6 is a perspective view showing the configuration of a hinge door according to the first embodiment of the present invention.

FIG. 7 is a cross-sectional view taken along the line II-II ′ of FIG. 6.

8 is a cross-sectional view taken along the line II ′ of FIG. 2;

9 is a perspective view of a main body in which a plurality of storage rooms according to a second embodiment of the present invention is shown.

10 is a system diagram showing the configuration of a refrigerator according to a second embodiment of the present invention.

11 is a block diagram showing a configuration of a refrigerator according to a second embodiment of the present invention.

Hereinafter, with reference to the drawings will be described a specific embodiment of the present invention. However, the spirit of the present invention is not limited to the embodiments presented, and those skilled in the art who understand the spirit of the present invention can easily suggest other embodiments within the scope of the same idea.

1 is a perspective view showing the appearance of a refrigerator according to a first embodiment of the present invention, Figure 2 is a perspective view showing an open state of the door of the refrigerator according to the first embodiment of the present invention.

1 and 2, the refrigerator 1 according to the first embodiment of the present invention includes a main body 10 forming a plurality of storage chambers, and a front of the main body 10 and the plurality of storage chambers. A plurality of

doors

20, 30, 40 for selectively shielding is included.

In detail, the plurality of storage compartments include a first storage compartment 11, a second storage compartment 12, a third storage compartment 13, and a fourth storage compartment that are partitioned into a predetermined size from an upper portion to a lower portion of the main body 10. (14) is included. Each of the storage compartments may be configured to have the same size.

Among the plurality of

storage compartments

11, 12, 13, and 14, a plurality of compartments 16 are provided between the storage compartments.

An upper hinged door 20, a double door 30, and a lower hinged door 40 are respectively provided in front of the plurality of

storage chambers

11, 12, 13, and 14. The upper hinged door 20 is provided to be rotatable about an upper portion of the door 20, and the double door type door 30 includes a plurality of doors that are rotated around one side and the other side of the main body 10. do.

The lower hinged door 40 may be rotatably provided around the lower portion of the door 40. However, the arrangement of the

doors

20, 30, and 40 is only one embodiment, and the arrangement may vary according to a user's request as described below.

The

storage chambers

11, 12, 13, and 14 are provided with a first drawer 50, a second drawer 60, a first shelf 70, and a second shelf 80 in which the storage is stored. The

drawers

50, 60 and

shelves

70, 80 are detachably coupled to the

storage compartments

11, 12, 13, 14.

The first shelves 70 may be provided at upper and lower sides of the second storage compartment 12, and two first shelves 70 may be spaced apart from each other. In this case, the volume of the storage that can be stored in the two first shelves 70 may correspond to the internal volume of the second storage chamber 12.

In addition, the second shelves 80 may be provided at upper and lower sides of the first storage chamber 11, and four second shelves 80 may be disposed. In this case, the volume of the storage that can be stored in the four second shelves 80 may correspond to the internal volume of the first storage chamber 11.

The first drawer 50 may be provided at both sides of the fourth storage compartment 14, and the two volumes of the first drawer 50 may correspond to the internal volume of the fourth storage compartment 14.

The second drawer 60 may be provided up and down on both sides of the third storage chamber 13, and the four volumes of the second drawer 60 may correspond to the internal volume of the third storage chamber 13. .

However, the arrangement of the

shelves

70 and 80 and the

drawers

50 and 60 is just one embodiment and may be moved and arranged from one storage room to another storage room according to a user's request. That is, the second shelf 80 may be arranged in the second storage compartment 12, or the first drawer 50 may be arranged in the third storage compartment 13. Description thereof will be described later together with the drawings.

Meanwhile, the

storage compartments

11, 12, 13, and 14 may be provided with intermediate partition plates 17 that divide the internal spaces of the storage compartments from side to side. The intermediate partition plate 17 may be detachably coupled to the fitting groove 16a of the partition 16.

That is, the intermediate partition plate 17 may be coupled to the fitting groove 16a of the upper partition 16 and the fitting groove 16a of the lower partition 16 to partition the storage compartment. In FIG. 3, the intermediate partition plate 17 is only shown to be coupled to the third storage compartment 13, but may be coupled to

other storage compartments

11, 12, and 14.

However, when the first shelf 70 is provided in one of the

storage compartments

11, 12, 13, and 14, the intermediate partition plate 17 may be in a separated state, and the

drawers

50, 60, or the first shelf 70 may be separated. When the shelf 80 is provided, the intermediate partition plate 17 may be combined to partition the storage compartment from side to side.

3 is a perspective view showing an internal configuration of a refrigerator body according to a first embodiment of the present invention, Figure 4 is an exploded perspective view of a part of the refrigerator body according to the first embodiment of the present invention, Figure 5 is a present invention FIG. 6 is a perspective view showing the configuration of the drawer according to the first embodiment of the present invention, FIG. 6 is a perspective view showing the configuration of the hinge door according to the first embodiment of the present invention, and FIG. 8 is a cross-sectional view taken along the line II ′ of FIG. 2.

3 to 8, a plurality of

storage compartments

11, 12, 13, and 14 partitioned by a plurality of partitions 16 are formed in the main body 10 according to the first embodiment of the present invention.

Inside each of the

storage chambers

11, 12, 13, and 14, a plurality of pull-out

guides

110 and 115 are provided to guide the

drawers

50 and 60 and the

drawers

70 and 80.

The

withdrawal guides

110 and 115 include an upper withdrawal guide 110 provided on one side wall of the storage compartment and a lower withdrawal guide 115 provided below the one side wall of the storage compartment. Although not shown in the drawings, the

withdrawal guides

110 and 115 may be equally provided on the other side wall of the storage compartment.

The plurality of the

extraction guides

110 and 115 are provided at the upper and lower portions thereof, when the plurality of the plurality of shelves is provided at the upper and lower portions of one storage compartment such as the

shelves

70 and 80 and the second drawer 60. This is to facilitate the withdrawal of the drawer.

The withdrawal guides 110 and 115 include locking

jaws

111 and 116 to limit the degree of entry of the

drawers

50 and 60 and the

shelves

70 and 80. The

drawers

50 and 60 and the

shelves

70 and 80 interfere with the locking

jaws

111 and 116 in a fully retracted state.

In addition, guide rollers 112 and 117 are provided at one side of the extraction guides 110 and 115 to allow the

drawers

50 and 60 and the

shelves

70 and 80 to be easily withdrawn.

In addition, the extraction guides 18 and the guide rollers 19 corresponding to the extraction guides 110 and 115 and the guide rollers 112 and 117 may be provided at both sides of the intermediate partition plate 17. In the state in which the intermediate partition plate 17 is coupled, the

drawers

50 and 60 and the

shelves

70 and 80 may be guided and moved by the withdrawal guide 18 and the guide roller 19.

As shown in FIG. 5, the guide members 52 and the extraction rollers 54 are provided at both sides of the first drawer 50 so that the drawers 50 can be easily moved along the extraction guides 110 and 115. Is provided.

The guide rollers 112 and 117 may be guided and rolled on the guide member 52, and the withdrawal roller 54 may be guided and rolled on the withdrawal guides 110 and 115. Of course, the guide member 52 and the extraction roller 54 may work with the extraction guide 18 and the guide roller 19.

In the present embodiment, the first drawer 50 has been described as an example, but the guide member 52 and the extraction roller 54 are similarly provided to the second drawer 60 and the

shelves

70 and 80. Can be.

Meanwhile, a plurality of hinge units 150 for coupling the

doors

20, 30, and 40 are provided at the outer edges of the storage compartments 11, 12, 13, and 14.

The hinge unit 150 has a fastening part 151 detachably fastened to the main body 10, and extends to one side of the fastening part 151 and is coupled to any one of the

doors

20, 30, and 40. Combining portion 152 is included.

The fastening part 151 may be fastened to a plurality of hinge holes 121, 122, 124, and 125 formed in the main body 10. One thread is formed on an outer circumferential surface of the fastening part 151, and the one thread may be coupled to another thread formed in the hinge holes 121, 122, 124, and 125.

The fastening part 151 may be selectively coupled to the hinge holes 121, 122, 124, and 125. That is, the user can insert the fastening part 151 into the hinge holes 121, 122, 124, and 125 to rotate in one direction, and on the contrary, rotate the fastening part 151 in the other direction from the hinge holes 121, 122, 124, and 125. Can be separated.

The coupling part 152 is provided with a protrusion insertion hole 153 into which the hinge protrusion 25 provided in the

doors

20, 30, and 40 is inserted. The protrusion insertion hole 153 may form a hinge center of the

doors

20, 30, and 40.

In addition, the hinge holes 121, 122, 124, and 125 may be formed at edges of the storage compartments 11, 12, 13, and 14. 4 illustrates hinge holes formed in the edge portion of the second storage chamber 12 among the

storage chambers

11, 12, 13, and 14. In the present embodiment, the hinge holes provided around the second storage chamber 12 will be described. However, the same hinge holes will be provided in the

other storage chambers

11, 13, and 14.

In the plurality of hinge holes 121, 122, 124, and 125, a plurality of upper hinge holes 121 formed on one side upper part and the other upper part of the second storage chamber 12, and one lower part and the other lower part of the second storage chamber 12, respectively. A plurality of lower hinge holes 122 formed at the upper side, and a plurality of upper hinge holes 124 formed at the upper end and the other end of the second storage chamber 12, and the lower end and the other side of the second storage chamber 12, respectively. A plurality of bottom hinge holes 125 are formed at the bottom.

Here, the upper hinge hole 124 and the lower hinge hole 125 are formed at positions corresponding to each other among the upper and lower ends of the storage chamber 12.

The upper hinge hole 121 may be coupled to a door provided to be rotatable about an upper portion such as the upper hinged door 20. That is, both sides of the upper hinge door 20 may be rotatably coupled to the upper hinge holes 121 at both sides.

The lower hinge hole 122 may be coupled to a door provided to be rotatable about a lower portion, such as the lower hinged door 40. That is, both sides of the lower hinged door 40 may be rotatably coupled to the lower hinge holes 121 at both sides.

The upper hinge hole 124 and the lower hinge hole 125 may be coupled to a door provided to be rotatable about both sides of the main body, such as the double door 30. That is, one pair of the doors 30 may be coupled to the pair of upper hinge balls 124 and the lower hinge balls 125, and the other pair of upper hinge balls 124 and the lower hinge balls 125 may be combined. The other door may be coupled to.

As shown in FIG. 6, the upper hinged door 20 includes an outer door 21 forming an exterior and a door liner 22 forming a rear surface.

In addition, both sides of the outdoor door 21 are provided with a hinge protrusion 25 that can be inserted into the upper hinge hole 121 and an elastic moving part 23 provided at one side of the hinge protrusion 25. The elastic moving part 23 supports the hinge protrusion 25 with respect to the door 20 and may be elastically moved inwardly of the outer door 21.

One side of the elastic moving part 23 is provided with an elastic member 27 for elastically supporting the elastic moving part 23. The elastic member 27 may be provided inside the outdoor 21, and may contract in the process of moving the elastic moving part 23 in the inner direction.

When the user wants to couple the upper hinged door 20 to the upper hinge hole 121, the user presses the elastic moving part 23 so that the hinge protrusion 25 is inserted into the protrusion insertion hole 154. can do. Subsequently, when the elastic moving part 23 is released, the elastic moving part 23 is moved to the outside by the restoring force of the elastic member 27, and the hinge protrusion 25 is inserted into the protrusion insertion hole 154. It can be fully inserted.

In the present embodiment, the upper hinge door 20 is described as an example, but the configuration of the hinge protrusion, the elastic moving part and the elastic member may be equally applied to the double door 30 and the lower hinge door 40. .

As shown in FIG. 8, a first screw thread 121a is formed in the upper hinge hole 121 so as to be screwed into the upper hinge hole 121 in the fastening part 151. The fastening part 151 is provided with a second thread 151a corresponding to the first thread 121a.

The user may insert and rotate the hinge unit 150 into the upper hinge hole 121. At this time, the hinge unit 150 may be fastened to the upper hinge hole 121 by screwing the first screw thread 121a and the second screw thread 151a.

The first thread 121a formed in the upper hinge hole 121 may also be formed in the lower hinge hole 122, the upper hinge hole 124, and the lower hinge hole 125.

However, the number of threads formed in the upper hinge hole 121 and the lower hinge hole 122 is the protrusion insertion hole 153 left and right of the storage chamber 12 in a state in which the hinge unit 150 is completely coupled. It may be formed to face in the direction.

On the other hand, the number of threads formed in the upper hinge hole 124 and the lower hinge hole 125 is the protrusion insertion hole 153 of the storage compartment 12 in a state in which the hinge unit 150 is fully coupled It may be formed to face in the vertical direction.

As described above, the hinge unit 150 may be assembled and coupled to one hinge hole of the plurality of hinge holes 121, 122, 124, and 125. That is, when the user wants to insert the desired door in the storage compartment, the hinge unit 150 may be coupled to the hinge hole corresponding to the door.

As a result, the door may be arranged in a manner different from that of the door shown in FIG. 2. For example, a lower hinged door may be coupled to the second storage compartment 12, and a double door type door may be coupled to the third storage compartment 13.

In addition, any one of the

drawers

50 and 60 and the

shelves

70 and 80 provided in one storage compartment may be separated to be coupled to another storage compartment. That is, the drawer or shelf may be further mounted according to a user's request.

Hereinafter, a second embodiment of the present invention will be described. In the present embodiment, the same reference numerals and descriptions as those in the first embodiment will be used for the same parts as the first embodiment, and the differences will be mainly described.

9 is a perspective view of a main body in which a plurality of storage compartments according to a second embodiment of the present invention is shown, FIG. 10 is a system diagram showing a configuration of a refrigerator according to a second embodiment of the present invention, and FIG. Is a block diagram showing the configuration of a refrigerator according to a second embodiment of the present invention.

9 to 11, the plurality of storage compartments 11, 12, 13, and 14 according to the second embodiment of the present invention may be partitioned by the plurality of partitions 16. As shown in FIG. 9, the first storage chamber 11 and the second storage chamber 12 are refrigerating chambers R, the third storage chamber 13 is a switching chamber C, and the fourth storage chamber 14 is It can be operated as a freezer compartment (F).

However, the operation arrangement of the storage chamber is only one embodiment, and alternatively, a plurality of switching chambers C may be operated or a plurality of freezing chambers F may be operated.

The partition unit 16 displays a current temperature and a set temperature of the first input unit 132 and the

storage chambers

11, 12, and 14 for setting storage temperatures of the refrigerating and freezing

chambers

11, 12, and 14. A first display unit 131 is provided.

In addition, the partition unit 16 displays the low temperature mode or the high temperature mode of the switching room 13 and the mode or temperature of the second input unit 136 and the switching room 13 to set the storage temperature. A second display unit 135 is provided.

10 shows a cooling cycle diagram for controlling the internal temperature of the refrigerator.

In the cooling cycle according to the present embodiment, the compressor 200 for compressing the refrigerant, the condenser 210 for condensing the refrigerant compressed by the compressor 200, and the refrigerating chamber evaporator 230 for performing a heat exchange operation in the refrigerating chamber. ), A switching room evaporator 240 through which the refrigerant is evaporated to perform the switching room heat exchange operation, a freezing chamber evaporator 270 and the refrigerating chamber evaporator 230 or the switching room which evaporates the refrigerant to perform the freezing chamber heat exchange operation. Three-way valve 220 for adjusting the refrigerant flow into the evaporator 240 is included.

Looking at the flow of the cooling cycle, first, the refrigerant is compressed through the compressor 200, the compressed refrigerant is delivered to the condenser 210. The flow of the refrigerant passing through the condenser 210 may be adjusted to the refrigerating chamber evaporator 230 or the switching chamber evaporator 240 through the three-way valve 220.

When the three-way valve 220 forms a flow path to the refrigerating chamber evaporator 230, a refrigerant is supplied to the refrigerating chamber evaporator 230. Accordingly, the switching room evaporator 230 performs a heat exchange operation, and the cold air is supplied to the refrigerating chamber by the operation of the refrigerating chamber fan (not shown).

However, when the three-way valve 220 forms a flow path to the switching room evaporator 240, a refrigerant is supplied to the switching room evaporator 240. Accordingly, the switching room evaporator 240 performs a heat exchange operation, and the cold air may be supplied to the switching room by the operation of the switching room fan (not shown).

The refrigerant introduced into the refrigerating chamber evaporator 230 or the switching chamber evaporator 240 flows into the freezing chamber evaporator 270. The freezer compartment evaporator 270 performs a heat exchange operation, and cold air is supplied to the freezer compartment by an operation of a freezer compartment fan (not shown).

Referring to FIG. 11, a refrigerator according to a second embodiment of the present invention includes the input unit 132 and the display unit 131, the refrigerating

chambers

11 and 12, the freezing chamber 14, and the switching room 13. A first temperature sensor 261, a second temperature sensor 262, and a third temperature sensor 263 which are provided to allow the storage temperature to be sensed, respectively, and the refrigerating

chambers

11 and 12, the freezing chamber 14, and the switching chamber ( 13, the first cold air supply unit 281, the second cold air supply unit 282, and the third cold air supply unit 283, which are respectively provided to supply cold air, to the refrigerating chamber evaporator 230 or the switching room evaporator 240. Three-way valve 220 for adjusting the flow of the refrigerant, a heater 250 is provided to the switching room to increase the temperature of the switching room and the control unit 300 to control the operation of the components.

By operating the first input unit 132, respectively, the temperature of the refrigerating chamber (11, 12) and the freezing chamber (14) can be set, the control unit 300 and the set temperature input from the input unit (132) The degree of opening of the cold

air supply units

281 and 282 may be adjusted by comparing the current temperatures detected by the

temperature sensors

261 and 262.

On the other hand, the internal temperature of the switching room 13 may be set to various modes and temperatures. When the second input unit 136 is operated to set the switching room low temperature mode and temperature, the control unit 300 may control the three-way valve 220 to be opened to the switching room evaporator 240 side.

As a result, the refrigerant passing through the compressor 200 and the condenser 210 is supplied to the switching chamber evaporator 240, and performs a heat exchange operation in the switching chamber evaporator 240, thereby cooling the cool air in the switching chamber. It becomes possible to supply.

On the other hand, when setting the switching room high temperature mode and temperature by operating the second input unit 136, the control unit 300 controls the three-way valve 220 to be opened to the refrigerating chamber evaporator 230 side. In addition, the refrigerant passage on the side of the switching chamber evaporator 240 is closed, and cold air may be supplied to the refrigerating

chambers

11 and 12.

In addition, when it is necessary to raise the temperature of the switching chamber 13 a lot, the temperature of the switching chamber 13 is raised through the heater 250 provided in the switching chamber 13. The operation of the heater 250 may be controlled by the action of the third temperature sensor 263 and the controller 300.

By the configuration as described above, there is an advantage in that the switching room can be applied even if the storage temperature of the stored matter or a storage temperature higher than the temperature of the general refrigerating chamber is required.

According to the refrigerator according to the embodiment of the present invention, the drawer or the shelf provided inside the main body can be removed and repositioned to a desired position, and thus the industrial applicability is remarkable since the responsiveness according to the user's request can be improved.

Claims

A main body in which a plurality of storage compartments are formed;

A plurality of doors selectively shielding the front of the storage compartment and being rotatably provided in at least one direction and another direction;

A hinge unit detachably provided on at least one side of the storage compartment and providing a rotation center of the door; And

And a plurality of hinge holes formed at at least one side of the storage compartment and to which the hinge unit is coupled.
The method of claim 1,

In the plurality of doors,

An upper hinge door rotatably provided around the upper part;

A lower hinged door rotatably provided around the lower portion; And

Refrigerator comprising a door-shaped door that is provided rotatably around one side and the other side of the main body.
The method of claim 2,

In the plurality of hinge holes,

A plurality of upper hinge holes to which the upper hinged words are coupled;

A plurality of lower hinge holes to which the lower hinged words are coupled; And

And a plurality of upper hinge holes and lower hinge holes to which the doors are coupled.
The method of claim 3, wherein

The upper hinge hole, the lower hinge hole and the upper and lower hinge holes are respectively formed outside the plurality of storage compartments.
The method of claim 1,

Each of the plurality of doors,

A refrigerator provided with a hinge protrusion coupled to the hinge unit.
The method of claim 5,

In the door,

Refrigerator comprising an elastic member to elastically couple the hinge projection.
The method of claim 1,

The hinge hole is formed with a first thread for the coupling of the hinge unit,

The hinge unit is a refrigerator formed with a second screw thread coupled to the first screw thread.
A body having at least one storage compartment and another storage compartment;

A partition that partitions the storage compartments;

A shelf detachably coupled to the one storage compartment and detachable from the other storage compartment;

A drawer detachably coupled to the other storage compartment and capable of coupling to the one storage compartment;

A withdrawal guide provided in the one storage compartment and the other storage compartment, for guiding the withdrawal of the shelves and drawers; And

And a withdrawal roller provided on the shelf and the drawer and guided by the withdrawal guide.
The method of claim 8,

And a plurality of the drawing guides are provided inside the one storage compartment or the other storage compartment.
The method of claim 8,

And a middle partition plate partitioning the one storage compartment or the other storage compartment and detachably coupled thereto.
The method of claim 8,

A plurality of doors to selectively shield the one storage compartment and the other storage compartment; And

And a hinge unit detachably coupled to at least an outer side of the one storage compartment or the other storage compartment, the hinge unit providing a center of rotation for the plurality of doors.