KR20190010376A - Refrigerator - Google Patents

Abstract

The present invention relates to a refrigerator. According to the present invention, the refrigerator comprises: a cabinet having an inner case forming a storage chamber and an outer case surrounding the inner case; an ice making device arranged in the storage chamber to generate ice; a water supply flow path connected to a water supply source at the outside to guide water supplied from the water supply source to the ice making device; and a guide tube placed between inner case and the outer case for a portion of the water supply flow path to be accommodated, and penetrating one side wall of both side walls of the inner case to extend to the ice making device.

Description

Refrigerator {Refrigerator}

The present specification relates to a refrigerator.

A refrigerator is a household appliance that can store objects such as foods at a low temperature in a storage room provided in a cabinet. Since the storage chamber is surrounded by the heat insulating wall, the inside of the storage chamber can be maintained at a temperature lower than the external temperature.

The storage room may be divided into a refrigerator compartment or a freezer compartment according to a temperature zone of the storage compartment.

The freezing chamber may be provided with an ice maker for generating ice. The ice maker may be supplied with the purified water through the filter.

Korean Patent Registration No. 10-0894475, which is a prior art document, discloses a refrigerator having a hot water supply function.

The refrigerator of the prior art includes a freezer compartment, a refrigerating compartment, an ice maker provided in the freezing compartment, and a filter for filtering the water introduced from the outside.

Water introduced from the outside may be supplied to the ice maker provided in the freezing room after passing through the filter.

However, in the refrigerator of the prior art, there is a problem that the filter is located in the refrigerating chamber in the drawing, and the volume of the refrigerating chamber is reduced by the filter.

In addition, the refrigerator of the prior art has a problem that water is not smoothly supplied to the ice maker during the process of supplying water past the filter to the ice maker provided in the freezer.

In addition, since the solenoid valve for controlling the flow of the water to be supplied to the ice maker exists in the machine room, there is a problem that the user has difficulty in accessing the service.

An object of the present invention is to provide a refrigerator in which water can be smoothly supplied to an ice maker provided in a storage room.

Another object of the present invention is to provide a refrigerator in which the volume of the storage chamber is prevented from being reduced by the filter.

Another object of the present invention is to provide a refrigerator which can be easily accessed by a valve for controlling the flow rate of water supplied to an ice maker.

According to an aspect of the present invention, there is provided a refrigerator comprising: an ice maker disposed in a storage room for generating ice; an ice maker connected to an external water source to guide water supplied from the water source to the ice maker And a guide tube disposed between the inner case forming the storage chamber and the outer case surrounding the inner case and receiving a part of the water supply channel, And may extend through the one side wall to the ice maker side.

A portion of the guide tube may be located in a space between a hypothetical line that horizontally extends the rear wall of the inner case and a rear wall of the outer case for preventing freezing of the water supply channel accommodated in the guide tube.

In addition, in order to prevent freezing of the water supply channel accommodated in the guide tube, a part of the guide tube is positioned between one side wall of the inner case and one side wall of the outer case facing the one side wall of the inner case, And may be positioned adjacent to one side wall of the outer case than one side wall of the case.

Further, in order to prevent freezing of the water supply channel located in the storage chamber, a heater may be disposed at a portion protruding from the guide tube toward the inside of the storage chamber.

In addition, a filter for purifying water supplied to the ice maker may be disposed outside the outer case so that the volume of the storage compartment is prevented from being reduced.

Further, a regulating valve for regulating the flow of the water supplied to the ice maker may be disposed outside the case.

According to the present invention, freezing of a water supply channel for guiding water to an ice maker provided in a storage room is prevented, and water can be smoothly supplied to the ice maker.

Further, since the filter for purifying water is disposed outside the cabinet, the volume of the storage chamber can be prevented from being reduced by the filter.

In addition, since the control valve for controlling the flow rate of the water supplied to the ice maker is disposed outside the cabinet, the user can easily access the control valve.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view of a flow path for supplying water to an ice maker according to an embodiment of the present invention; FIG.
2 is a front view of a cabinet according to an embodiment of the present invention;
FIG. 3 is a sectional view showing a state where an ice maker according to an embodiment of the present invention is installed in a storage room. FIG.
4 is a cross-sectional perspective view showing an icemaker in accordance with an embodiment of the present invention in a storage chamber.
5 is a view showing a state in which the ice making device is installed on the ice making device cover in the storage room.
6 is a cross-sectional view of a cabinet for showing a guide tube provided in a cabinet according to an embodiment of the present invention.
7 and 8 are views showing the arrangement of a second guide tube according to an embodiment of the present invention. FIG. 7 shows a view of the second guide tube viewed from the front of the cabinet, and FIG. A view of the guide tube viewed from the left side of the cabinet is shown.
9 is a view showing the arrangement of the second guide tube and the icemaker.
10 is a view showing a state in which the third water supply channel according to the embodiment of the present invention is disposed on the upper side of the cabinet.

Hereinafter, some embodiments of the present invention will be described in detail with reference to exemplary drawings. It should be noted that, in adding reference numerals to the constituent elements of the drawings, the same constituent elements are denoted by the same reference symbols as possible even if they are shown in different drawings. In the following description of the embodiments of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the difference that the embodiments of the present invention are not conclusive.

In describing the components of the embodiment of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are intended to distinguish the constituent elements from other constituent elements, and the terms do not limit the nature, order or order of the constituent elements. When a component is described as being "connected", "coupled", or "connected" to another component, the component may be directly connected or connected to the other component, Quot; may be "connected," "coupled," or "connected. &Quot;

FIG. 1 is a schematic view illustrating a flow path for supplying water to an ice maker according to an embodiment of the present invention, and FIG. 2 is a front view of a cabinet according to an embodiment of the present invention.

Referring to FIGS. 1 and 2, a refrigerator 10 according to an embodiment of the present invention may include a cabinet 11 having a storage chamber 14.

In the present embodiment, the refrigerator 10 may be a built-in refrigerator 10 installed in a furniture space. It should be noted, however, that the water supply channel described in this embodiment can be applied to a refrigerator independently installed in a kitchen or indoors in addition to the built-in refrigerator 10.

The storage chamber 14 may be opened and closed by a refrigerator door (not shown).

The storage chamber can be, for example, a freezing chamber that can be maintained at a temperature lower than 0 degree.

In FIG. 1, for example, a storage compartment, which is a freezing compartment, is disclosed. However, the cabinet 11 may further include a refrigerating compartment partitioned from the freezing compartment.

The cabinet 11 may include an inner case 13 forming the storage chamber 14 and an outer case 12 forming an outer shape. A heat insulating material 15 for heat insulation may be provided between the inner case 13 and the outer case 12.

The storage chamber 14 may be provided with an ice maker 50. The ice maker 50 can generate ice by receiving cold air in the storage chamber 14. [

The ice maker 50 may be located in the middle of the storage room 14 with respect to height. The user can more easily acquire the ice generated in the ice maker 50 by the height of the ice maker 50.

One or more drawer assemblies 60 may be disposed below the ice maker 50 in the storage chamber 12, although not limited thereto.

A machine room (20) may be provided below the cabinet (11).

Although not shown, the machine room 20 may include a compressor for cooling the storage chamber 14, a condenser, a condenser fan, and the like. The cabinet 11 may be provided with an evaporator for generating cold air.

In order to supply water to the ice maker 50, the refrigerator 10 may be connected to an external water source.

The refrigerator 10 may include a water supply channel for supplying the water supplied from the water supply source to the ice maker 50.

The water supply channel may include a first water supply channel 31 connected to the water supply source.

The first water supply passage 31 may be connected to a water supply valve 41 provided in the machine room 20. The water supply valve (41) regulates the flow of water supplied from the water supply source.

The water supply channel may further include a second water supply channel 32 connected to an outlet of the water supply valve 41. The second water supply passage 32 may extend upward in the cabinet 11. [ For example, the second water supply passage 32 may extend upward in a space between the inner case 13 and the outer case 12.

A filter 42 for purifying water may be provided on the cabinet 11. According to the present embodiment, since the filter 42 is located outside the storage chamber 14, the volume of the storage chamber 14 can be prevented from being reduced by the filter 42.

The filter 42 may be positioned on the opposite side of the machine room 20 with respect to the cabinet 11. This is because not only the space in the machine room 20 is narrow but also the temperature of the water in the filter 42 is prevented from rising due to heat generated in the machine room 20 (heat generated in the compressor or the condenser) .

The water supply channel supplies water to the ice maker 50. The time required to generate ice in the ice maker 50 increases as the temperature of water supplied to the ice maker 50 increases.

The filter 42 may be positioned above the cabinet 11 so that the volume of the storage chamber 14 is not reduced without the filter 42 being affected by the heat of the machine chamber 20 .

Alternatively, the machine room 20 may be located above the cabinet 11, in which case the filter 42 may be located below the cabinet 11.

The second water supply passage 32 may be connected to the filter 42. Therefore, the water flowing along the second water supply channel 32 can be purified through the filter 42.

The water supply channel may include a third water supply channel 33 connected to the outlet of the filter 42. The third water supply channel 33 may be provided with a control valve 43 for controlling the flow of water supplied to the ice maker 50. The control valve 43 may also be located above the cabinet 11.

The control valve 43 and the filter 42 are located on the upper side of the cabinet 11 so that the control valve 43 and the filter 42 can be accessed without disassembling the cabinet 11 The service convenience of the user can be improved.

The water supply flow path may further include a fourth water supply flow path 34 connected to the third water supply flow path 33 and for finally supplying water to the ice making device 50.

The fourth water supply channel 34 may extend downward from the cabinet 11 to a position adjacent to the ice maker 50.

For example, the fourth water supply channel 34 may extend downward in a space between the inner case 13 and the outer case 12. [

FIG. 3 is a cross-sectional view illustrating a state in which an ice maker according to an embodiment of the present invention is installed in a storage room, FIG. 4 is a perspective view showing a state where the ice maker according to an embodiment of the present invention is installed in a storage room, 5 is a view showing a state where the ice-making device is installed in the ice-making device cover in the storage room.

3 to 5, the ice maker 50 may be positioned at a predetermined height in the storage chamber 14. [

The icemaker 50 may include a support frame 51 and an ice tray 52 rotatably connected to the support frame 51 to generate ice.

The icemaker 50 may be installed in the storage chamber 14 so that the rotation axis of the ice tray 52 extends in the front and rear direction within the storage chamber 14. [

When the icemaker 50 is installed in the storage chamber 14 so that the axis of rotation of the ice tray 52 extends in the front and rear direction in the storage chamber 14, Water can be placed.

The ice maker 50 may further include a driving unit 53 for rotating the ice tray 52. The driving unit 53 may be installed in the support frame 51. The first rotating shaft of the ice tray 52 may be connected to the driving unit 53 and the second rotating shaft may be rotatably connected to the supporting frame 51.

The ice maker 50 may be covered by an ice maker cover 59 for blocking access by a user.

The ice maker cover 59 is directly or indirectly connected to the inner case 13 and the upper surface of the ice maker 50 is divided into a first cover 591 and a second cover 592 covering the front surface of the ice maker 50. [ 2 cover 592. As shown in FIG.

The first cover 591 may extend in the horizontal direction, and the second cover 592 may extend in the vertical direction.

The second cover 592 may be rotatably connected to the first cover 591 or may be rotatably connected to the inner case 13. At this time, the second cover 592 may be rotated in such a manner that the lower end thereof is lifted upward. Referring to FIG. 3, the second cover 593 may be rotated clockwise.

When the second cover 593 is rotated clockwise, the front surface of the ice maker 50 is exposed to the outside so that the user can access the ice maker 50.

The ice maker 50 may be installed in the ice maker cover 59. For example, the support frame 51 may be provided with a cover engaging portion 511 for engaging with the ice maker cover 59. The cover engaging portion 511 may be coupled to the lower surface of the first cover 591.

For example, in the state where the cover engaging portion 511 is in contact with the lower surface of the first cover 591, a fastening member such as a screw can fasten the cover engaging portion 511 and the first cover 591 .

When the support frame 51 is installed directly on the side surface of the inner case 51 or when the support frame 51 contacts the inner case 51, .

Therefore, in order to position the support frame 51 in a state in which the support frame 51 is spaced apart from the side wall of the inner case 13, the support frame 51 is disposed on the lower surface of the first cover 591, To be engaged with the cover (591).

Meanwhile, the storage chamber 12 may be provided with cool air supply means for supplying cool air to the storage chamber 12. The cool air supply means includes a cool air duct 70 for forming a cool air passage 72, a blowing fan 74 positioned in the cool air passage 72, an evaporator (not shown) disposed in the cool air passage 72, ).

The cool air duct 70 may extend in the vertical direction within the storage chamber 12. The cool air duct 70 may be provided with a discharge unit 76 for an ice maker. The ice maker discharge unit 76 may protrude from the cool air duct 70 toward the ice maker 50.

The discharge portion 76 for the ice maker may be located below the first cover 591. Therefore, the cold air discharged from the discharge portion 76 for the ice maker can be directly supplied to the ice tray 52 side.

An ice bin 57 may be provided below the ice maker 50 to store the ice dropped from the ice tray 52.

The ice bin 57 may be disposed in the storage chamber 14 so as to be able to slide in and out. For example, the ice bin 57 may be directly or indirectly connected to the rail assembly to be slidably drawn out.

FIG. 6 is a cross-sectional view of a cabinet for showing a guide tube provided in a cabinet according to an embodiment of the present invention. FIGS. 7 and 8 are views for showing the arrangement of a second guide tube according to an embodiment of the present invention As shown in FIG. 7, the second guide tube is seen from the front of the cabinet, and the second guide tube is seen from the left side of the cabinet. 9 is a view showing the arrangement of the second guide tube and the icemaker.

1 to 9, the cabinet 11 includes a first guide tube 36 for guiding the second water supply passage 32, a second guide tube 36 for guiding the fourth water supply passage 34, 2 guide tube 37 may be provided.

The guide tubes 36 and 37 may be positioned between the inner case 13 and the outer case 12. [ For example, when the guide tubes 36 and 37 are installed between the inner case 13 and the outer case 12, the heat insulating material 15 (not shown) is inserted into the space between the inner case 13 and the outer case 12, ) May be filled.

The second water supply channel 32 may be inserted into the first guide tube 36 after the heat insulating material 15 is filled in the space between the inner case 13 and the outer case 12, And the fourth water supply channel 34 may be inserted into the second guide tube 37.

When the second water supply passage 32 is inserted into the first guide tube 36 and the fourth water supply passage 34 is inserted into the second guide tube 37 as in the present embodiment, The second water supply flow path 32 and the fourth water supply flow path 34 can be prevented from being damaged during the foaming process.

The second water supply channel 32 and the fourth water supply channel 34 are prevented from directly contacting the heat insulating material and thus the second water supply channel 32 and the fourth water supply channel 34 can be replaced .

In addition, as the guide tubes 36 and 37 are present, the cool air in the storage chamber 14 can be less transmitted to the second water supply passage 32 and the fourth water supply passage 34.

The first guide tube 36 is positioned in a space between an imaginary line L1 that horizontally extends the rear wall 131 of the inner case 13 and a rear wall 121 of the outer case 12, .

The first guide tube 36 is positioned at a position where the first corner 134 of the inner case 13 and the outer circumference of the outer tube 14 are connected to each other so that freezing of water in the second water supply channel 32 is prevented, May be located in the region between the first corners (124) of the case (12).

The first guide tube 36 may be located closer to the first corner 124 of the outer case 12 than the first corner 134 of the inner case 13.

There is a part between the rear side wall 131 of the inner case 13 and the rear side wall 121 of the outer case 12 such as a cool air flow channel for supplying cool air to the storage chamber 14. The gap between the rear wall 131 of the inner case 13 and the rear wall 121 of the outer case 12 is larger than the gap between the side walls 132 and 133 of the inner case 13 and the outer case 12 between the side walls 122, 123.

The first guide tube 36 is spaced apart from the imaginary line L1 extending horizontally from the rear wall 131 of the inner case 13 to the space between the rear wall 121 of the outer case 12 The influence of the cold air of the storage chamber 14 on the first guide tube 36 can be minimized.

The first corner 134 of the inner case 13 is connected to the first side wall 132 and the rear side wall 132 of the inner case 13, 131).

The first corner 124 of the outer case 12 is a corner positioned adjacent to the first corner 134 of the inner case 13.

A part of the second guide tube 37 is formed in a space between the hypothetical line L1 in which the rear wall 131 of the inner case 13 is horizontally extended and the rear wall 121 of the outer case 12, Lt; / RTI >

The second guide tube 37 is positioned in a space between an imaginary line L1 that horizontally extends the rear wall 131 of the inner case 13 and a rear wall 121 of the outer case 12, The influence of the cold air of the storage chamber 14 on the second guide tube 37 can be minimized.

A part of the second guide tube 37 is connected to the second corner 135 of the inner case 13 and the second corner of the inner case 13 so as to prevent freezing of the fourth water supply channel 34 when the storage chamber 14 is a freezing chamber. And may be located in an area between the second corners 125 of the outer case 12.

The second corner 135 of the inner case 13 is connected to a second side wall 133 and a rear side wall 133 of the inner case 13, 131).

The second corner 125 of the outer case 12 is positioned adjacent to the second corner 135 of the inner case 13.

The second guide tube 37 may include an insertion portion 371 into which the fourth water supply channel 34 is inserted.

The second guide tube 37 may further include a first bent portion 371 bent from the insertion portion 371 toward the second corner 125 of the outer case 12. [

The second guide tube 37 may further include an extension portion 372 extending downward from the first bent portion 371.

The second guide tube 37 may further include a second bent portion 373 bent at the extended portion 372 and extending toward the front of the refrigerator 10.

The second guide tube 37 may include a water supply portion 374 extending from the second bend portion 373 and extending toward the ice making device 50.

The extension portion 372 is formed to extend from the second corner 135 of the inner case 13 to the outer circumference of the outer case 37 to prevent freezing of the fourth water supply channel 34 located in the second guide tube 37. [ May be located closer to the second corner (125) of the base (12).

The second bent portion 373 is formed on the second side wall 133 of the inner case 13 to prevent freezing of the fourth water supply flow passage 34 located in the second guide tube 37. [ Can be positioned closer to the second side wall (123) of the outer case (12).

The water supply unit 374 may extend through the inner case 13 to the ice maker 50.

For example, the second side wall 133 of the inner case 13 may have an opening 133 through which the water supply unit 374 passes.

The water supply portion 374 may protrude into the storage chamber 14 through the second side wall 133 of the inner case 13. [ When the water supply portion 374 protrudes into the storage chamber 14, the fourth water supply flow path 34 in the water supply portion 374 can be freeze by the cool air in the storage chamber 14.

In order to prevent this, a heater 38 may be installed on the outer surface of the water supply part 374. The heater 38 may extend to a portion of the water supply portion 374 located between the inner case 13 and the outer case 12 as well as a portion protruding into the storage chamber 14. The heat of the heater 38 is transmitted to the fourth water supply channel 34 through the water supply unit 374 so that the fourth water supply channel 34 can be prevented from freezing.

The water supply portion 374 protrudes into the storage chamber 14 so that the fourth water supply flow passage 34 located in the water supply portion 374 also protrudes into the storage chamber 14.

The water supply portion 374 may be inclined downward from the second bent portion 373 toward the ice maker 50 side. This is to prevent the generation of residual water in the fourth water supply channel 34 located in the water supply unit 374. [

At this time, the inclination angle of the portion protruding into the storage chamber 14 from the water supply portion 374 with respect to the horizontal plane may be 15 degrees or more.

9, the support frame 51 may be provided with a water guide 54 for guiding the water supplied from the fourth water supply channel 34 to the ice tray 52. Referring to FIG.

The ice maker 50 may be positioned adjacent to the second side wall 133 in a state of being separated from the second side wall 133 of the inner case 13. Since the water supply portion 374 protrudes from the second side wall 133 through the second side wall 133, the inlet 54 of the water guide portion 52 is connected to the side wall of the support frame 51 .

The water supply portion 374 may be introduced into the water guide portion 54 through the inlet 54b so that the water discharged from the fourth water supply passage 34 is prevented from falling into the storage chamber 14 .

The portion of the water supply portion 374 located at the inlet 54 is positioned higher than the bottom of the inlet 54b because the water supply portion 374 is drawn into the water guide portion 54 in a downward inclined state. do.

The water guide 54 may include an inclined bottom surface 54c for allowing water to be smoothly supplied to the ice tray 52. [ The bottom surface 54c may be rounded downward at the side of the support frame 51 to be inclined downward.

The bottom of the inlet 54b may be provided with a rib 55 for preventing water supplied to the water guide 54 from overflowing toward the inlet 54. [

10 is a view showing a state in which the third water supply channel according to the embodiment of the present invention is disposed on the upper side of the cabinet.

10, a holder 45 to which the filter 42 is connected and a bracket 44 to which the holder 45 is attached may be provided on the cabinet 11.

The bracket 44 may be fastened to the upper surface of the cabinet 11 by a fastening member. The filter (42) may be removably connected to the holder (45).

In order to replace the filter 42, the filter 42 may be separated from the holder 45.

The control valve 43 may be located behind the filter 42. Since the second water supply channel 32 and the fourth water supply channel 34 are positioned behind the rear wall 121 of the inner case 12 in the cabinet in the present embodiment, The control valve 43 may be positioned behind the filter 42 so that the length of the third water supply passage 33 connected to the fourth water supply passage 34 and the length of the third water supply passage 33 connected to the fourth water supply passage 34 may be reduced.

In order to replace the holder 45, the bracket 44 should be moved to the front of the cabinet 11 after the bracket 44 is separated from the cabinet 11.

In order to replace or repair the control valve 43, the control valve 43 must be moved to the front of the cabinet 11.

A first connection passage for connecting the second water supply passage 33 and the filter 42 in the third water supply passage 33 or a first connection passage for connecting the filter 42 and the control valve 43 2 or the third connection passage connecting the control valve 43 and the fourth water supply passage 34 linearly extends the bracket 44 and the control valve 43 to the cabinet 1, The first to third connection flow paths may be separated from other flow paths or components and may leak during the process of pulling the first and second connection flow paths 11 and 11 forward.

Accordingly, in the present embodiment, at least one of the first connection passage to the third connection passage among the third water supply passages 33 may be arranged in a looped shape at least once.

In this case, even if the control valve 43 is pulled to the front of the cabinet 11 in order to replace or repair the control valve 43, the first to third connection flow passages The phenomenon of separation from the flow path or the component can be prevented.

According to the present invention, freezing of a water supply channel for guiding water to an ice maker provided in a storage room is prevented, and water can be smoothly supplied to the ice maker.

Further, since the filter for purifying water is disposed outside the cabinet, the volume of the storage chamber can be prevented from being reduced by the filter.

In addition, since the control valve for controlling the flow rate of the water supplied to the ice maker is disposed outside the cabinet, the user can easily access the control valve.

10: Refrigerator 11: Cabinet
12: inner case 13: outer case
20: machine room 31: first water supply channel
32: second water supply channel 33: third water supply channel
34: fourth water supply channel 36: first guide tube
37: second guide tube 41: water supply valve
42: filter 43: regulating valve
50: Deicing device 51: Support frame
52: ice tray 53:

Claims (11)

A cabinet including an inner case forming a storage chamber, and an outer case surrounding the inner case;
An ice maker disposed in the storage room for generating ice;
A water supply passage connected to an external water supply source for guiding the water supplied from the water supply source to the ice making device; And
And a guide tube disposed between the inner case and the outer case and receiving a part of the water supply channel, the guide tube passing through one side wall of the inner case and extending toward the ice maker. The method according to claim 1,
Wherein a portion of the guide tube is located in a space between a virtual line that horizontally extends the rear wall of the inner case and a rear wall of the outer case. The method according to claim 1,
Wherein a portion of the guide tube is positioned between one side wall of the inner case and one side wall of the outer case facing the one side wall of the inner case and is positioned so as to be adjacent to one side wall of the outer case Become a refrigerator. The method according to claim 1,
Wherein the guide tube includes a water supply portion that protrudes into the storage chamber through one side wall of the inner case between the inner case and the outer case,
Wherein the water supply unit is inclined downward from the storage room toward the ice maker. 5. The method of claim 4,
And a heater for preventing freezing of the water supply channel in the water supply unit is positioned at a portion of the water supply unit protruding inward from the storage chamber. The method according to claim 1,
A filter for purifying water supplied from the water supply source,
Further comprising a control valve for controlling a flow rate of water supplied to the ice making device,
Wherein the machine room is located on one side of the upper side and the lower side of the cabinet, and the filter is located on the other side of the cabinet. The method according to claim 1,
A water supply valve for regulating the flow of water supplied from the water supply source,
Further comprising a filter for purifying water passing through said water supply valve,
The water supply channel includes a first water supply channel for connecting the water supply source and the water supply valve,
A second water supply channel connecting the water supply valve and the filter,
A third water supply channel connected to the outlet of the filter and positioned outside the cabinet,
And a fourth water supply channel connected to the third water supply channel and received in the guide tube. 8. The method of claim 7,
Wherein the water supply valve is located in a machine room disposed outside the cabinet,
And the second water supply channel is located between the inner case and the outer case. 9. The method of claim 8,
Further comprising an additional guide tube for receiving the second water supply channel between the inner case and the outer case. 10. The method of claim 9,
Wherein the additional guide tube is located in a space between a hypothetical line that horizontally extends the rear wall of the inner case and a rear wall of the outer case. 8. The method of claim 7,
And a control valve for controlling a flow rate of water supplied to the ice making device is provided on the third water supply channel.

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