KR20170096326A

KR20170096326A - A refrigerator

Info

Publication number: KR20170096326A
Application number: KR1020160017564A
Authority: KR
Inventors: 태동빈
Original assignee: 엘지전자 주식회사
Priority date: 2016-02-16
Filing date: 2016-02-16
Publication date: 2017-08-24

Abstract

The present invention is characterized in that a main water tank for cooling water in the hearth is provided and the refrigerator door is provided with a sub water tank for further cooling the water supplied from the main water tank and a dispenser is provided on the refrigerator door, And a cold water pipe connecting the main water tank and the sub water tank and the dispenser, wherein the cold water pipe extends through the space between the outer case and the inner case to the hinge device and flows into the door of the refrigerator through the hinge device And a cold water pipe is connected to the dispenser across the ice chute so as to be adjacent to the ice chute.
With this structure, the cold water pipe is not exposed to the outside, the temperature of the water contained therein is prevented from rising, and it is possible to improve the satisfaction of the water that is cooled more effectively by the cool air of the ice chute.

Description

A refrigerator

The present invention relates to a refrigerator.

2. Description of the Related Art Generally, a refrigerator is a household appliance that allows food to be stored at a low temperature in an internal storage space that is shielded by a door. The refrigerator is stored by cooling the inside of the storage space using cool air generated through heat exchange with a refrigerant circulating in a refrigeration cycle It is configured to store foods in optimal condition.

In recent years, a dispenser is mounted on a front surface of a refrigerator so that drinking water can be taken out through a dispenser without opening the refrigerator door.

In addition, the refrigerator door or the inside of the storage space may be provided with an ice maker for making and storing ice, and the ice can be taken out through a dispenser.

Korean Patent Laid-Open Publication No. 10-2014-0125233 discloses a water tank for cooling water to be pumped in a pit and a filter device for purifying the water to be supplied, and a pipe connected to the water tank and the filter device is connected to the dispenser side A refrigerator capable of selectively supplying cold water and purified water is disclosed.

However, in such a conventional refrigerator, cold water and purified water pipes extend upward or downward of the refrigerator in a state in which they are exposed from the rear of the refrigerator to the outside. Then, it is connected to the dispenser and the ice maker through the hinge device of the door. In this case, the temperature of the water initially taken out to the dispenser becomes higher than the temperature of the intended cold water and purified water due to the piping of the cold water and the purified water exposed to the outside.

Further, the cold water and purified water pipe extending to the inside of the door through the hinge device and extending to the dispenser can be heat-exchanged with the outside, and the water temperature inside the pipe can be continuously increased. Therefore, the initial temperature of the water taken out to the dispenser is further increased, which causes a problem of lowering the satisfaction of the user.

An object of the present invention is to prevent a cold water pipe for guiding cold water of a water tank provided in a hearth to a dispenser from being exposed to the outside to prevent the temperature of the cold water stored in the inside of the cold water pipe from rising, To provide a refrigerator that can.

An object of the present invention is to provide a refrigerator in which water inside a cold water pipe connected to a dispenser from inside a refrigerator door can be further cooled by cold air in an ice chute communicating with an ice making chamber.

An object of the present invention is to provide a refrigerator in which a cold water pipe extending toward a door is extended through an internal space of a cabinet filled with a heat insulating material so that the cold water pipe is protected during filling of the heat insulating material and can be stably guided in an extended direction .

An object of the present invention is to provide a refrigerator which can easily assemble a guide tube for guiding the extending direction of a cold water pipe in an internal space of a cabinet.

It is an object of the present invention to prevent a cold water pipe inside a refrigerator door from being heated by an external temperature and to be more effectively cooled by a cold air in an ice making room and a storage space provided with an ice maker, To provide a refrigerator that can.

A refrigerator according to an embodiment of the present invention includes a cabinet including an outer case forming an outer appearance, an inner case coupled to the outer case and forming a storage space, A door for opening and closing the storage space, having a dispenser on a front surface thereof and a ice making chamber having an ice maker on a rear surface thereof; A hinge device rotatably connecting the door to the cabinet; A main water tank inside the cabinet for cooling the supplied water; And a cold water pipe connected to the main water tank and the dispenser and to which cold water is transferred, the cold water pipe extending through the side surface of the inner case and extending through the space between the outer case and the inner case to the hinge device And is introduced into the door through the hinge device.

In addition, the space between the outer case and the inner case is filled with a heat insulating material, and the cold water pipe extending to the hinge device through the space between the outer case and the inner case is buried in the heat insulating material.

A guide tube for guiding the cold water pipe through the side surface of the inner case to the hinge device is provided in the space between the inner case and the outer case, And the cold water pipe is inserted.

A tube hole through which the cold water pipe passes is formed in a side surface of the inner case, and the guide tube extends from the tube hole to the hinge device.

The hinge device is disposed on the upper side of the cabinet. The tube hole is formed in a rear half portion of the inner case, and the guide tube extends upward from the tube hole, And is bent forward from the upper end and extends to the hinge device.

The guide tube may include a first guide tube provided on an outer surface of the inner case and extending from the tube hole to an upper end of an outer surface of the inner case; And a second guide tube provided on an upper side of the inner side surface of the outer case and extending from the hinge device to a rear half of the inner surface of the outer case, And are connected to each other when the case is assembled.

The door may include an outdoor unit forming an exterior of the door; And a door liner which forms a back surface of the door and forms a space filled with the heat insulating material by being coupled with the outdoor, wherein the cold water pipe introduced into the door is in a state of being adjacent to the door liner And is connected to the dispenser.

The dispenser is located below the ice making chamber in the door, and the cold water pipe extends downward along the outer surface of the ice making chamber after being introduced into the door, and is connected to the dispenser .

An ice chute forming a passage connecting the ice-making chamber and the dispenser is provided in the inner space of the door. The cold water pipe is introduced into the door through the hinge device, and then is adjacent to the ice chute And is connected to the dispenser across the ice chute.

The depressed portion is provided with a sub water tank for further cooling the water supplied from the main water tank, and the cold water pipe is connected to the sub- A tank connecting pipe connecting an outlet of the main water tank and an inlet of the sub water tank; And a dispenser pipe connecting the outlet of the sub water tank and the dispenser and crossing the ice chute so as to be adjacent to the ice chute.

The tank connecting pipe extends downward along the outer surface of the ice-making chamber after being introduced into the door, and is connected to the inlet of the sub-water tank through one side of the depressed portion .

A heat insulating space filled with a heat insulating material is formed between the ice making chamber and the depressed portion in the door, and the ice chute is exposed to the heat insulating space. The dispenser pipe passes through the upper surface of the depressed portion, And flows into the heat insulating space to cross the ice chute so as to be adjacent to the ice chute in the heat insulating space.

In the upper surface of the depression, a cold water pipe inlet through which the dispenser pipe is introduced into the heat insulating space is punctured. On the back surface of the dispenser, a cold water pipe entrance through which the dispenser pipe is introduced into the dispenser is punctured, And the piping inlet and the cold water pipe entrance are formed at positions spaced laterally from the center of the ice chute.

The dispenser pipe is introduced into the heat insulating space at a position where the dispenser pipe is disposed at one side from the center of the ice chute through the cold water pipe inserting port and is connected to the ice chute from one side of the ice chute to the other side And is connected to a take-out pipe provided in the dispenser for taking out the water.

The heat insulating space is provided with a cold water pipe guide for connecting the cold water pipe inlet and the cold water pipe inlet and guiding the dispenser pipe so that the dispenser pipe extends adjacent to the ice chute, And the inside thereof is provided in the shape of a hollow aluminum pipe so that the cold water pipe is inserted.

The cold water pipe guide includes a pipe inlet connected to the cold water pipe inlet and extending to a height adjacent to the lower end of the ice chute; A pipe bending portion bent at an end of the pipe inlet portion toward the cold water pipe entrance; A pipe extension extending from the end of the pipe bend toward the cold water pipe entrance and extending across the ice chute adjacent to the ice chute; And a pipe outlet portion bent from the end of the pipe extension portion toward the dispenser and connected to the cold water pipe exit.

The pipe extension portion is spaced apart from the back surface of the dispenser.

First, according to the refrigerator of the present invention, since the cold water pipe in the main water tank provided in the cabinet is moved to the door through the space between the outer case and the inner case and is not exposed to the outside, It is prevented from being heated by the external temperature, and can be continuously cooled by the cold air in the storage space. Therefore, the satisfaction of the temperature of the water to be taken out can be improved.

Secondly, since the cold water pipe extending into the space between the outer case and the inner case is embedded in the heat insulating material, the heat can be more effectively insulated from the outside, whereby the temperature of the water flowing along the inside of the cold water pipe is raised by the outside air .

Third, by the guide tube, the cold water pipe can be protected when the heat insulating material is filled between the outer case and the inner case, and the cold water pipe can be easily inserted into the space between the inner case and the outer case.

Fourth, since the first guide tube extends upward from the tube hole formed in the lateral rear half of the inner case and the second guide tube extends from the hinge device to the rear half of the outer case, All of which are positioned at the rear half of the cabinet, facilitating assembly.

Fifth, since the cold water pipe introduced into the door extends in a state adjacent to the door liner, it is possible to prevent the temperature of the water taken out by heat exchange with the outside air from rising, thereby improving the quality of taking out the cold water.

Sixth, since the cold water pipe introduced into the door extends downward along the outer surface of the ice making chamber, it is possible to further improve the satisfaction of the temperature of the water cooled by the cold air in the ice making chamber.

Seventh, since the cold water pipe connected to the dispenser from the inside of the door crosses the position adjacent to the ice chute, it is cooled by the cold air in the ice chute, and the satisfaction of the temperature of the water to be taken out can be further improved.

Eighth, since the cold water pipe guide is provided, the cold water pipe can be maintained at a regular interval in the state adjacent to the ice chute, so that the cold water pipe can be cooled to a certain level and the cooling performance can be maintained. In addition, since the cold water pipe guide is made of aluminum, cooling water of the ice chute can be more effectively received, thereby cooling the cold water pipe more effectively.

1 is a front view of a refrigerator according to an embodiment of the present invention.
2 is a front view of a door of a refrigerator according to an embodiment of the present invention.
3 is a schematic view showing an arrangement structure of water supply channels of the refrigerator according to the embodiment of the present invention.
4 is a perspective view showing a mounting structure of a main water tank according to an embodiment of the present invention.
5 is an exploded perspective view showing a coupling structure of a main water tank and a tube guide according to an embodiment of the present invention.
6 is a perspective view of a refrigerator in which a water supply channel is extended to a door according to an embodiment of the present invention.
FIG. 7 is a perspective view of the refrigerator of FIG. 6 viewed from another direction; FIG.
8 is a view showing a depression of a door according to an embodiment of the present invention.
9 is a longitudinal sectional view of 9-9 'of Fig.
FIG. 10 is a view illustrating a rear structure of a dispenser according to an embodiment of the present invention, and a connection structure between a water supply channel and a dispenser.
11 is a view showing the entire water supply channel of the refrigerator compartment door according to the embodiment of the present invention.

In the following description, specific embodiments of the present invention will be described in detail with reference to the drawings. It should be understood, however, that there is no intention to limit the spirit of the invention to the embodiments shown, and that other embodiments falling within the spirit of the invention or other inventions contemplated by way of addition, alteration, .

1 is a front view of a refrigerator according to an embodiment of the present invention. 2 is a front view of a door of a refrigerator according to an embodiment of the present invention.

As shown in the drawing, a refrigerator 1 according to an embodiment of the present invention includes a cabinet 100 forming a storage space and a door 20 opening and closing a storage space of the cabinet 100, .

The cabinet 100 includes an outer case 101 made of a metal material forming an outer surface and an inner case 102 made of a resin material combined with the upper case 101 and forming a storage space in the refrigerator 1 Lt; / RTI > 6 and 103 are filled between the outer case 101 and the inner case 102 to insulate the space in the cavity.

The storage space is divided into upper and lower portions with respect to the barrier 11, and may be composed of an upper refrigerating chamber 12 and a lower freezing chamber 13. In addition, the freezing chamber 13 may be further divided into left and right sides.

The door 20 may include a refrigerator compartment door 21 and a freezer compartment door 22 that independently open and close the refrigerating compartment 12 and the freezing compartment 13, respectively. The refrigerator compartment door 21 and the freezer compartment door 22 are both rotatable to open and close the refrigerator compartment 12 and the freezer compartment 13. For this purpose, Can be pivotally connected to the cabinet (100) by a hinge device (23). The refrigerator compartment door 21 may be formed of a French type door which can be configured so that a pair of refrigerators can be independently rotated on both left and right sides.

The pair of refrigerator compartment doors 21 includes an outdoor 211 forming a front surface of the refrigerator compartment door 21 and a door liner 212 forming a rear surface of the refrigerating compartment door 21 and coupled to the outdoor 211. [ The entire outer shape can be formed. A space between the outdoor 211 and the door liner 212 may be provided with a heat insulating material.

A dispenser 70 and an ice maker (Figs. 3 and 251) may be provided on a door of any one of the pair of refrigerating chamber doors 21.

The dispenser 70 is provided on the front surface of the refrigerator compartment door 21 and can be configured to take out water or ice from the outside by a user's operation. An ice making chamber (25) is provided above the dispenser (70). The ice making chamber 25 is a heat insulating space in which ice is made and stored, and the ice maker 251 is accommodated in the ice making chamber 25 and may be configured to be opened and closed by a separate door. Although not shown, the ice making chamber 25 communicates with the freezing chamber 13 by the cold air duct in a state where the refrigerating chamber door 21 is closed so that cool air required for the ice making is supplied from the freezing chamber evaporator (not shown) Lt; / RTI >

A lower portion of the refrigerator compartment door 21 is formed with a door depression 26 to be described later in detail and the door depression 26 can be shielded by a cover plate 27. The cover plate 27 forms a part of the rear surface of the refrigerator compartment door 21, and a basket or the like may be mounted if necessary.

Meanwhile, a plurality of shelves and drawers for storing food may be provided in the refrigerating chamber 12. In particular, a drawer assembly 14 including a drawer 141 provided on a bottom surface of the refrigerating chamber 12 and a table 142 for shielding an upper surface of the drawer 141 is provided.

A water purifier 40 for purifying water to be supplied may be provided on the side of the drawer assembly 14. A main water tank 60 may be provided behind the drawer assembly 14. That is, the main water tank 60 may be provided at the lower half of the refrigerating chamber 12.

In addition, a plurality of shelves having a cantilever structure can be detachably provided above the drawer assembly 14 in a height-adjustable manner.

A main duct 15 is provided on a rear surface of the refrigerating compartment 12 and cool air generated in the refrigerating compartment evaporator 130 flows through a plurality of discharge ports formed in the main duct 15 to the inside of the refrigerating compartment 12 As shown in Fig.

3 is a schematic view showing an arrangement structure of water supply channels of the refrigerator according to the embodiment of the present invention.

As shown in the drawing, the refrigerator 1 purifies water supplied from an external water source 2 and then takes it out to the dispenser 70, or supplies purified water to the dispenser 70 or A water supply channel to be supplied to the ice maker 251 can be formed.

The water supply channel includes a water supply channel in which water is supplied to the water purification unit 40 from the water supply source 2 and a water supply channel in which water is supplied from the water purification unit 40 to the dispenser 70 and the ice maker 251 And a cold water channel through which the cold water is supplied from the main water tank 60 to the dispenser 70. [

The water supply channel may be formed by a water supply pipe 31, a purified water pipe 32, a cold water pipe 33, and an outlet pipe 36.

The water supply pipe 31 may be directly connected to the water supply source 2 such as the water supply pipe at the outer side and connected to the inlet of the water purification device 40 at the inner side. The water supply pipe 31 is for supplying the water of the water supply source 2 to the inside and can enter and leave the interior space through the tube guide 50 mounted inside the cabinet 100.

The water supply pipe 31 may be provided with a water supply valve 311. The water supply valve 311 may be provided in a machine room provided with a back surface of the cabinet 100 or a compressor. The water supply valve 311 opens and closes the water supply pipe 31 so that the water of the water supply source can be selectively supplied to the inside.

A first branch pipe (341) may be provided at the outlet of the water purifier (40). The first branch pipe (341) may be provided to branch the water supply channel at the outlet of the water purification unit (40) into a cold water channel and a purified water channel. The water supply channel may be branched by the first branch tube 341 and connected to the main water tank 60 and the first branch valve 342, respectively.

Meanwhile, the cold water passage may be formed by the cold water pipe 33. The cold water pipe 33 connects the main water tank 60, the first branch valve 342, the sub water tank 80 and the dispenser 70 to the main water tank 60, So that the water cooled in the tank 80 can be finally supplied to the dispenser 70.

The cold water pipe 33 may include a first cold water pipe 331, a second cold water pipe 332, and a dispenser pipe 333.

The first cold water pipe 331 connects the main water tank 60 and the first branch valve 342 so that cold water cooled in the main water tank 60 can be supplied. The second cold water pipe 332 connects the outlet of the first branch valve 342 and the inlet of the sub water tank 80 inside the refrigerating chamber door 21, May be provided to be selectively supplied to the refrigerator compartment door (21) through a single pipe according to the switching of the branch valve (342).

Meanwhile, the first cold water pipe 331 and the second cold water pipe 332 can be defined as a tank connecting pipe without separately being distinguished. That is, the first cold water pipe 331 and the second cold water pipe 332 can be defined as a tank connecting pipe connecting the main water tank 60 and the sub water tank 80. Hereinafter, the first cold water pipe 331 and the second cold water pipe 332 will be separately described to explain the structure of the cold water pipe 33 in more detail.

The second cold water pipe 332 can be guided into the refrigerator compartment door 21 through the hinge device 23 that rotatably connects the refrigerator compartment door 21 and the cabinet 100 . At this time, the second cold water pipe 332 flowing through the hinge device 23 is a single pipe, and purified water and cold water can be selectively flowed. The electric wires for driving the dispenser 70 and the ice maker 251, the second branch valve 344 and the blow-out valve 361 provided in the refrigerating chamber door 21 through the hinge device 23 It can also be accessed.

The second cold water pipe 332 is guided from the inner side of the inner case 102 to the outer side of the inner case 102 through the tube guide 50, Can be extended to the hinge device (23) side through a space between the hinge device (102).

The dispenser pipe 333 connects the outlet of the sub water tank 80 and the dispenser 70 so that cold water cooled in the sub water tank 80 is supplied to the dispenser 70 .

The outlet pipe 36 is exposed to the outside of the dispenser 70 from one side of the dispenser pipe 333 so that purified water or cold water can be taken out when the dispenser 70 is operated. The take-out pipe 36 may be provided with a take-out valve 361 and the cold water supply through the dispenser 70 may be started by the take-out valve 361.

Meanwhile, the purified water passage may be formed by the purified water pipe 32. The purified water pipe 32 may include a first purified water pipe 321, a second purified water pipe 322, a third purified water pipe 323, and a fourth purified water pipe 324.

The first purified water pipe 321 may be provided to connect the first branch pipe 341 and the first branch valve 342. That is, the first purified water pipe 321 may be such that the purified water of the water purification apparatus 40 is branched by the first branch valve 342 and then moved to the first branch valve 342 .

Meanwhile, the purified water pipe 32 may be provided to share the second cold water pipe 332 of the cold water pipe 33. The purified water passing through the first branch valve 342 by the switching of the first branch valve 342 can be moved to the inside of the refrigerating chamber door 21 through the second cold water pipe 332 . Accordingly, purified water may be supplied from the water purification apparatus 40 through the second cold water pipe 332 in accordance with the switching of the first branch valve 342, and purified water may be supplied from the main water tank 60 May be supplied. In the embodiment of the present invention, the second cold water pipe 332 is defined as a part of the cold water pipe 33 for convenience of description, but it is possible to supply both purified water and cold water through the second cold water pipe 332 The second cold water pipe 332 may be called a separate common pipe.

Meanwhile, a second branch pipe 343 may be provided in the second cold water pipe 332 inside the refrigerating chamber door 21. The second purified water pipe 322 may be provided to connect the second branch pipe 343 and the second branch valve 344. That is, the second purified water pipe 322 may be defined as a pipe branched from the second cold water pipe 332 and connected to the second branch valve 344.

The third purified water pipe 323 may be provided so as to be connected to the dispenser pipe 333 by allowing the water discharged from the second branch valve 344 to move to the dispenser 70. That is, the purified water passage may be formed by sharing at least a part of the dispenser pipe 333.

The third branch pipe 323 is connected to the outlet of the second branch valve 344 and the third branched pipe 345. The third branch pipe 343 is connected to the third branch pipe 344, As shown in FIG. Accordingly, the purified water that is moved from the second branch valve 344 to the third purified water pipe 323 can be moved to the dispenser 70 through the dispenser pipe 333. Accordingly, the purified water may be supplied through the dispenser pipe 333 according to the operation of the second branch valve 344 and the cold water valve 82 provided in the sub water tank 80, The cold water may be supplied from the water supply unit 80. In the embodiment of the present invention, the dispenser pipe 333 is defined as a part of the cold water pipe 33 for the sake of convenience of description. However, since purified water and cold water can be supplied through the dispenser pipe 333, 333 may be referred to as a separate common outflow pipe.

Meanwhile, the fourth purified water pipe 324 allows the water from the second branch valve 344 to be moved to the ice maker 251, and the second branch valve 344 and the ice maker 251, respectively. That is, the constant to be transferred to the second branch valve 344 is shifted to the dispenser 70 through the dispenser pipe 333 by the switching of the second branch valve 344, And can be moved to the ice maker 251 through the pipe 324.

4 is a perspective view showing a mounting structure of a main water tank according to an embodiment of the present invention. 5 is an exploded perspective view showing a structure of a main water tank and a tube guide according to an embodiment of the present invention.

As shown in the drawing, the inner side surface of the refrigerating chamber 12 is formed by the inner case 102, and the inside of the refrigerating chamber 12 is provided with a water purification device 40, a main water tank 60, A branch valve 342 and a valve cover 55 may be provided.

The main water tank 60 may be positioned adjacent to the grill pan 120 that divides the space formed by the inner case 102 into a space provided with the evaporator 130 and a storage space.

Therefore, since the evaporator 130 for cooling the refrigerating compartment 12 is provided at the rear of the grill fan 120, the main water tank 60 positioned at the adjacent position can be directly cooled. At the same time, the main water tank 60 is disposed in front of the cooling hole 121 formed in the grill fan 120 so that it can be indirectly cooled by the flow of the cool air recovered in the cooling hole 121 Can be provided. Particularly, the main water tank 60 is made of stainless steel material, so that more effective cooling can be achieved.

The drawer assembly (14) can be mounted on the bottom surface of the refrigerating chamber (12). The drawer assembly 14 may be provided to form a space in which the main water tank 60 and the water purification apparatus 40 can be mounted on the rear side and the side side, respectively, in a state of being mounted inside the refrigerating chamber 12 .

Therefore, when the drawer assembly 14 is mounted, the main water tank 60 is shielded in front of the drawer assembly 14, and the water purification apparatus 40 is also mounted on the front surface of the drawer 141 constituting the drawer assembly 14 As shown in Fig.

Meanwhile, the drawer assembly 14 may include a table 142 and a drawer 141. The table 142 is provided at a position spaced apart from the bottom of the refrigerating compartment 12 so that the refrigerating compartment 12 can be divided into upper and lower portions to provide a space in which the drawer 141 can be disposed below .

The table 142 may function as a shelf in a state where the drawer assembly 14 is mounted, and the food can be stored in the drawer 141 provided to be drawn out.

The drawer 141 may be formed of a plastic material which can be viewed through the inside of the drawer 141, and may be configured to identify the food stored therein. Of course, the table 142 may also be formed of a transparent material so that the inside of the drawer 141 can be confirmed through the table 142 without opening the drawer 141.

On the other hand, among the drawers 141 provided on the left and right sides, the drawer 141 on one side adjacent to the water purification apparatus 40 may be formed to have a relatively smaller size. That is, the drawer 141 adjacent to the water purification apparatus 40 is formed to have a shorter width and a longer length to secure a space for installing the water purification apparatus 40 and the main water tank 60. However, since the size and shape of the front portion are the same, the drawers 141 on both the left and right sides can be seen to have the same size when the drawer 141 is closed.

Therefore, the front portion of the drawer 141 adjacent to the water purification apparatus 40 may be further extended laterally.

The water purification apparatus 40 may be provided on the side of the drawer 141.

The water purification apparatus 40 may include a plurality of filters for purifying water as a whole, a case for accommodating the filter, and a case cover for shielding the front surface of the case.

On the other hand, in order to supply water to the water purification apparatus 40, the main water tank 60, and the first branch valve 342, the water supply channel must be able to flow in and out. In addition, the wire for driving the first branch valve 342 must also be able to flow inwardly.

To this end, a tube hole 102a and a wire hole 102b are formed on one side of the inner case 102 so as to be opened. The tube hole 102a and the electric wire hole 102b may be formed in parallel with the rear portion of the refrigerating chamber 12 adjacent to the mounting position of the first branch valve 342 so that the water supply passage and the electric wire can easily enter and exit. A tube guide 50 may be mounted on the outer surface of the inner case 102 corresponding to the tube hole 102a and the wire hole 102b.

The tube guide (50) is fixedly mounted on the outer side wall surface of the inner case (102). The tube guide 50 can be disposed at the lower portion and the rear portion of the refrigerating chamber 12 while being mounted on the inner case 102. That is, due to the nature of the mounting positions of the water purification apparatus 40, the main water tank 60 and the first branch valve 342, the above configurations are located in the lower half and the rear half of the side wall surface of the adjacent refrigerating chamber 12 .

The tube guide 50 may open toward the space between the inner case 102 and the outer case 101 and guide the water supply pipe 31 to the inside of the inner case 102. That is, the water supply channel is guided to move from the water supply source 2 to the inner side of the inner case 102, and the water supply channel passing through the inner side of the inner case 102 is guided to the inside of the case 100 And is guided to move to the inner space.

The tube guide 50 is attached to the outer surface of the inner case 102 and is closely attached to the inner case 102 when the heat insulating material is foamed and filled in the cabinet 100, It is prevented from flowing into the tube hole 102a or the wire hole 102b.

6 is a perspective view showing a structure in which a water supply channel according to an embodiment of the present invention is extended from a cabinet to a refrigerator door. FIG. 7 is a perspective view of the refrigerator of FIG. 6 viewed from another direction.

The water supply pipe 31 may extend to the tube guide 50 through the back surface of the outer case 101. The water supply pipe 31 may be guided by the tube guide 50 and extend inward of the inner case 102.

The hinge device 23 may be provided on the upper surface of the outer case 101 and may be coupled to the upper end of the refrigerating chamber door 21.

The second cold water pipe 332 can be guided by the tube guide 50 and extend into the space between the inner case 102 and the outer case 101. The second cold water pipe 332 may extend to the hinge device 23 in a space between the inner case 102 and the outer case 101. And may be extended into the refrigerator compartment door 21 through the hinge device 23. For example, the second cold water pipe 332 extending from the tube guide 50 to the hinge device 23 is connected to the outer left side of the inner case 102 and the inner left side of the outer case 101 As shown in FIG.

Meanwhile, a space between the inner case 102 and the outer case 101 may be filled with a heat insulating material 103. Accordingly, the second cold water pipe 332 may extend toward the hinge device 23 while being embedded in the heat insulating material 103. Therefore, the water inside the second cold water pipe 332 is prevented from heat exchange with the outside by the heat insulating material 103, and the temperature can be prevented from rising.

The second cold water pipe 332 extending from the tube guide 50 to the hinge device 23 may be located closer to the inner case 102 than the outer case 101. Accordingly, the second cold water pipe 332 is cooled by the cold air in the storage space, and the water inside the second cold water pipe 332 is continuously cooled to lower the temperature or maintain a certain temperature range. Of course, the second cold water pipe 332 extending from the tube guide 50 to the hinge device 23 may be provided in contact with the inner case 102.

As a result, the dissatisfaction with the temperature of the water to be taken out may not satisfy the temperature of the water to be taken out as long as the temperature of the water remaining in the water supply channel is increased when the cold water is taken out for a long time without taking it out for a long time. However, the second cold water pipe 332 extending from the tube guide 50 to the hinge device 23 is located in a space between the outer case 101 and the inner case 102, 103, so that it is possible to satisfy an appropriate temperature when the cold water is taken out.

Meanwhile, a guide tube 104 may be provided in the space between the inner case 102 and the outer case 101. The guide tube 104 may be provided to guide the extending direction of the second cold water pipe 332 extending from the tube guide 50 to the hinge device 23. For this purpose, the guide tube 104 may be formed to extend from the tube guide 104 to the hinge device 23. In addition, the inside may be formed in a hollow pipe shape, and the second cold water pipe 332 may be provided so as to be accommodated therein. Of course, the guide tube 104 may be integrally formed with the tube guide 104, or may be directly connected to the tube hole 102a.

The guide tube 104 may extend upward from the tube guide 50 and extend forward from the upper end of the inner case 102. At this time, the guide tube 104 may be provided as a plurality of tubes separated from each other for convenience of insertion and assembly of the second cold water pipe 332.

In detail, the guide tube 104 includes a first guide tube 104a extending upwardly from the tube guide 50, a second guide tube 104a connected to the first guide tube 104a and extending toward the hinge device 23 forward A second guide tube 104c extending from the first guide tube 104a and a tube connecting portion 104b connecting the first guide tube 104a and the second guide tube 104c.

One end of the first guide tube 104a is connected to the tube guide 50 and may be provided to communicate with the tube hole 102a through the tube guide 50. [ The other end of the first guide tube 104a may extend from the tube guide 50 to an upper end of the inner case 102 along a side surface of the inner case 102. [ That is, the first guide tube 104a may be provided to extend from the tube guide 50 to an upper end of a side surface of the inner case 102.

One end of the second guide tube 104c may be connected to the tartan of the first guide tube 104a extending upward. The other end of the second guide tube 104c may be provided to be connected to the hinge device 23 by extending forward along a side upper end of the inner case 102. [

The tube connection portion 104b is a portion to which the second guide tube 104c and the first guide tube 104a are connected and is provided as a separate member so that the one end of the second guide tube 104c And may be respectively coupled to the other ends of the second guide tubes 104a. Of course, the tube connection portion 104b may be defined as a portion that is not provided as a separate member but is coupled to one end of the second guide tube 104c and the other end of the second guide tube 104a will be.

The first guide tube 104a is coupled with the tube guide 50 on the outer surface of the inner case 102 when the inner case 102 and the outer case 101 are assembled, . The second guide tube 104c may be coupled to the hinge device 23 on the inner surface of the outer case 101. [ The first guide tube 104a and the second guide tube 104c may be coupled to each other when the inner case 102 and the outer case 101 are assembled.

At this time, the other end of the first guide tube 104a may be located at the upper half of the outer surface of the inner case 102. One end of the second guide tube 104c may be positioned at the rear half of the inner side of the outer case 101. Therefore, the guide tube 104 can be easily operated even though the space between the inner case 102 and the outer case 101 is narrow.

Therefore, the second cold water pipe 332 extending from the tube guide 50 to the hinge device 23 is inserted into the guide tube 104, extends upward, and then extends forward, (23).

The second cold water pipe 332 having passed through the hinge device 23 is moved into the refrigerator compartment door 21. At this time, the second cold water pipe 332 may extend downward along one side of the refrigerator compartment door 21 adjacent to the hinge device 23. The dispenser 70 may extend to a lower portion of the dispenser 70 and may be provided to be moved to the depression 26 of the refrigerator compartment door 21.

Meanwhile, the ice making chamber 25 may be formed on the rear surface of the refrigerator compartment door 21. The ice making chamber 25 may be recessed from the rear surface of the door liner 212. The ice making chamber 25 can be provided to freeze the supplied water to make and store ice. In detail, the ice making chamber 25 is provided with the ice maker 251 for making and releasing ice and an ice bin 252 for storing ice released from the ice maker 251, May be provided.

The ice bin 252 is communicated with the dispenser 70 by the ice chute 254 so that the ice inside the ice bin 252 is discharged to the dispenser 70 70 to the outside.

The depressed portion 26 may be formed on the rear surface of the refrigerating chamber door 21 below the ice making chamber 25. The depressed portion 26 may be formed by recessing a part of the rear surface of the door liner 212. The depression 26 may be located behind the dispenser 70.

The second cold water pipe 332 extending downward from the inside of the refrigerating chamber door 21 extends downward along the outer surface of the ice making chamber 25 formed in the refrigerating chamber door 21, (Not shown).

Meanwhile, the cold water pipe 33 located in the refrigerator compartment door 21 may be positioned so as to be positioned adjacent to the front surface of the refrigerator compartment door 21 as a whole. Particularly, the second cold water pipe 332 may be positioned adjacent to the rear surface of the refrigerator compartment door 21. That is, the second cold water pipe 332 extending downward from the inside of the refrigerating compartment door 21 may be located adjacent to the door liner 212 from the outdoor 211. Therefore, the second cold water pipe 332 can be cooled by the cold air inside the refrigerating chamber 12 in a state where the refrigerating chamber door 21 is closed, so that the temperature of water contained therein can be prevented from rising , So that it can be further cooled.

The second cold water pipe 332 extending downward from the inside of the refrigerating chamber door 21 can be moved to the depressed portion 26 through the side surface of the depressed portion 26. The second cold water pipe 332 may be connected to the sub water tank 80 provided in the depression 26.

8 is a view showing a depression of a door according to an embodiment of the present invention. 9 is a longitudinal sectional view of 9-9 'of Fig.

The depressed portion 26 may have a receiving space 261 and the cover plate 27 may be provided to open or close the receiving space 261.

The sub water tank 80 may be provided in the accommodation space 261 and the second branch pipe 343 and the second branch valve 344 and the third branch pipe 345 may be provided. .

A connector may be provided on the inner side of the accommodation space 261 and a connector hole 263 for connecting the second branch valve 344 and the wire connected to the take-out valve 251 to the connector may be formed .

A water inlet 262 for connecting the dispenser pipe 333 to the dispenser 70 may be formed on the inner surface of the accommodation space 261.

The dispenser 70 may include a dispenser housing 71 coupled to the outdoor 211 between the outdoor 211 and the door liner 212. The dispenser housing 71 may form a back surface of the dispenser 70. The dispenser housing 71 may be positioned to correspond to the depression 26 in front of the depression 26 and may be located below the dispensing compartment 25.

An ice chute 254 communicating with the ice bin 252 may be connected to the dispenser housing 71. The dispenser housing 71 may have a chute connection portion 711 connected to the ice chute 254 to communicate with the ice chute 254. The chute connection part 711 is provided to communicate with the outside so that ice supplied through the ice chute 254 can be taken out to the outside of the dispenser 70.

The dispenser housing 71 and the ice chute 254 may be spaced apart from the door liner 212 by a predetermined distance. That is, the dispenser housing 71 and the ice chute 254 may be spaced apart from the inner surface of the depression 26 by a predetermined distance. Therefore, a heat insulating material may be filled between the door liner 212 of the dispenser housing 71 and the door liner 212 between the ice chute 254 and the door liner 212. Therefore, the inside of the refrigerating chamber 12 can be insulated from the outside, and the accommodation space 261 formed in the depression 26 can be also insulated from the outside.

A space formed between the ice making chamber 25 and the depression 26 in the space filled with the heat insulating material formed between the outdoor 211 and the door liner 212 is referred to as a heat insulating space, (28) will be described in detail.

FIG. 10 is a view illustrating a rear structure of a dispenser according to an embodiment of the present invention, and a connection structure between a water supply channel and a dispenser. 11 is a view showing the entire water supply channel of the refrigerator compartment door according to the embodiment of the present invention.

The sub water tank 80 may be provided in the accommodation space 261. The sub water tank 80 is provided for cooling the water to be cooled and supplied from the main water tank 60 again so that the sub water tank 80 can be taken out at a proper temperature when the cold water is taken out. For this purpose, the sub water tank 80 may be formed by continuously winding a plurality of tubes 81.

Particularly, the dissatisfaction with the temperature of the water to be taken out may not satisfy the temperature of the water to be taken out when the water is left for a long time in the state in which the cold water is not taken out for a long time. However, when the cold water is taken out by the additional cooling in the sub water tank 80, an appropriate temperature can be satisfied.

The second cold water pipe 332 extending through the side surface of the depression 26 and extending into the accommodation space 261 may be connected to the sub water tank 80. The cold water valve 82 may be provided on the tube 81 of the sub water tank 80. The outlet of the sub water tank 80 may be connected to the third branch pipe 345. The third branch pipe 345 may be connected to the dispenser pipe 333 and the dispenser pipe 333 may be connected to the extraction pipe 36.

Therefore, when the main water tank 60 and the second cold water pipe 332 are connected by the first branch valve 342, the cold water inside the main water tank 60 flows into the second cold water pipe 332 To the sub-water tank 80 through the pipe (not shown). When the cold water valve 82 is opened, the water can be discharged to the outside through the sub water tank 80, the third branch pipe 345, the dispenser pipe 333, and the extraction pipe 36 .

Meanwhile, in the accommodation space 261, the second branch pipe 343 may be provided on the second cold water pipe 332. The second purified water pipe (322) connected to the second branch pipe (343) may be connected to the second branch pipe (344). The second branch valve 344 is connected to the third purified water pipe 323 and the fourth purified water pipe 324 to supply the water to the third purified water pipe 323 and the fourth purified water pipe 324). &Lt; / RTI > The third purified water pipe 323 may be connected to the third branch pipe 345 to allow the purified water to move through the dispenser pipe 333.

Accordingly, when the first purified water pipe 321 and the second cold water pipe 332 are connected by the first branch valve 342, the purified water supplied from the water supply source 2 flows into the second cold water pipe 332) and the second branch pipe (343) to the second purified water pipe (322). The purified water may be discharged to the outside through the third purified water pipe 323, the dispenser pipe 333, and the extraction pipe 36 in accordance with the switching of the second branch valve 344, The purified water can be supplied to the ice maker 251 through the three-

Of course, the third purified water pipe 323 is directly connected to the extraction pipe 36 through a separate pipe without being connected to the third branch pipe 345, so as to share the dispenser pipe 333 It is also possible to provide such information.

Meanwhile, the dispenser pipe 333 may extend into the heat insulating space 28 through the cold water pipe inlet 262. And is inserted into one side of the dispenser housing 71 to be connected to the extraction pipe 36 provided in the dispenser 70.

A cold water pipe inlet 712 through which the dispenser pipe 333 is inserted into the dispenser 70 may be formed on the back surface of the dispenser housing 71. The dispenser pipe 333 moved into the heat insulating space 28 through the cold water pipe inserting hole 262 is inserted into the dispenser 70 through the cold water pipe inlet 712 to be introduced into the dispenser 70, (36).

The ice chute 254 may be connected to the dispenser 70 by extending downward from the ice making chamber 25 in a state in which the ice chute 254 is at least partially exposed to the heat insulating space 28.

The dispenser piping 333 in the heat insulating space 28 is positioned to cross the ice chute 254 in a state of being adjacent to the ice chute 254, To be cooled by the cold air of < / RTI > For example, as shown in FIG. 10, the dispenser piping 333 may be spaced downward from the ice chute 254 by a predetermined distance, and may be spaced apart from the back surface of the dispenser housing 71 by a predetermined distance Can be spaced apart. At this time, since the inside of the ice chute 254 communicates with the ice making chamber 25, a cool atmosphere can be formed by the cold air and the ice inside the ice making chamber 25. Accordingly, the dispenser pipe 333 is provided to be laterally crossed at a position adjacent to the ice chute 254, so that the dispenser pipe 333 can be cooled by the ice chute 254.

For this purpose, the cold water pipe insertion hole 262 may be formed at the inner side of the accommodation space 261. The cold water pipe inlet 262 may be formed on the upper surface of the accommodation space 261 and may be formed on one side of the left and right sides of the center of the ice chute 254. That is, the cold water pipe inlet 262 may be located at one side of the ice chute 254.

The cold water pipe inlet 712 may be formed on one side of the left and right sides of the center of the ice chute 254 on the rear surface of the dispenser housing 71. At this time, the cold water pipe inlet / outlet 712 may be located on the other side of the ice chute 254 opposite to one side of the ice chute 254 where the cold water pipe inlet 262 is located. The cold water pipe inlet 712 may be located below the ice chute 254 on the backside of the dispenser housing 71.

More specifically, the cold water pipe inlet 262 and the cold water pipe inlet 712 may be located below the ice chute 254 and may be spaced apart from the ice chute 254 to the left and right. That is, the cold water pipe inlet port 262 and the cold water pipe outlet port 712 are formed on the rear surface of the dispenser housing 71 and are located below the chute connecting portion 711 coupled with the ice chute 254 And may be spaced apart from the right and left sides around the chute connection portion 711. [ Accordingly, the dispenser pipe 333 inside the heat insulating space 28 can be positioned to horizontally cross the ice chute 254 below the ice chute 254.

For example, as shown in FIG. 10, the cold water pipe inlet 262 may be formed in the right chamber of the ice chute 254. The cold water pipe inlet 612 may be formed in the left chamber of the ice chute 254.

That is, the dispenser pipe 333 in the heat insulating space 28 is positioned adjacent to the ice chute 254 below the ice chute 254, and the ice chute 254 is horizontally The left and right portions of the ice chute 254 may be spaced apart from the ice chute 254 and the rear surface of the dispenser housing 71 by a predetermined distance.

Therefore, the dispenser pipe 333 is separated from the dispenser housing 71 and can be embedded in the heat insulating material filled in the heat insulating space 28 to be insulated from the outside, . The dispenser pipe 333 is spaced apart from the ice chute 254 by a predetermined distance so that excessive cooling of the ice chute 254 by the cold air inside the ice chute 254 is prevented and proper cooling can be performed.

Meanwhile, the dispenser pipe 333 may be provided as a tube made of a resin material. In this case, there is a problem that the dispenser pipe 333 is difficult to maintain a certain distance from the dispenser housing 71 and the ice chute 254 in the heat insulating space 28 due to deformation. In order to prevent this, the heat insulating space 28 may be provided with a cold water pipe guide 35 for guiding the extending direction of the dispenser pipe 333.

The cold water pipe guide 35 may be made of aluminum. The inside of the dispenser pipe 333 may be provided with a hollow pipe shape to be inserted therein. Both ends of the cold water pipe inlet 262 and the cold water pipe inlet 712 may be connected to each other.

The ice water chute 254 is positioned adjacent to the ice chute 254 below the ice chute 254 in the heat insulating space 28. The ice chute 254 is horizontally A portion of the ice chute 254 across the ice chute 254 may be spaced apart from the ice chute 254 and the rear surface of the dispenser housing 71 by a predetermined distance. That is, the cold water pipe guide 35 may receive the dispenser pipe 333 and guide the extension direction of the dispenser pipe 333.

More specifically, the cold water pipe guide 35 may include a pipe inlet 351, a pipe bend 352, a pipe extension 353, and a pipe outlet 354.

The pipe inlet 351 is connected to the cold water pipe inlet 262 and may extend upward from the cold water pipe inlet 262. The ice chute 254 may extend below the ice chute 254 to a height adjacent to the lower end of the ice chute 254.

The pipe bending portion 352 is bent toward the cold water pipe inlet 712 at the end of the pipe inlet 351 so that the extension direction of the dispenser pipe 333 extends to the cold water pipe inlet / As shown in FIG.

The pipe extension part 353 extends from the end of the pipe bend part 352 toward the cold water pipe inlet 712 and extends from the ice chute 254 below the ice chute 254, And may be positioned to cross the ice chute 254 from side to side.

The piping outlet portion 354 may be defined as a portion bent from the end of the pipe extension portion 353 toward the dispenser housing 71 and connected to the cold water pipe inlet 712. The pipe outlet 354 is bent toward the dispenser housing 71 and then extends for a predetermined length toward the dispenser housing 71 so that the pipe extension 353 is inserted into the dispenser housing 71 May be provided to avoid touching.

The cold water pipe guide 35 allows the dispenser pipe 333 in the heat insulating space 28 to be positioned along the extending direction in which the dispenser pipe 333 is not deformed or stretched. Since the cold water pipe guide 35 is made of aluminum and can be cooled more effectively by the cold air in the ice chute 254, water in the dispenser pipe 333 can be cooled more effectively do. Therefore, the water inside the dispenser pipe 333 can be maintained in a sufficiently cooled state, so that it is possible to improve the satisfaction of the cold water flowing out at the time of taking out the initial cold water.

Claims

A cabinet including an outer case forming an outer appearance, and an inner case coupled to the outer case and forming a storage space;
A door for opening and closing the storage space, having a dispenser on a front surface thereof and a ice making chamber having an ice maker on a rear surface thereof;
A hinge device rotatably connecting the door to the cabinet;
A main water tank inside the cabinet for cooling the supplied water;
And a cold water pipe connecting the main water tank and the dispenser,
The cold water pipe,
Wherein the hinge unit extends through the side surface of the inner case through the space between the outer case and the inner case, and flows into the door through the hinge unit.

The method according to claim 1,
A space between the outer case and the inner case is filled with a heat insulating material,
Wherein the cold water pipe extending to the hinge device through a space between the outer case and the inner case is embedded in the heat insulating material.

3. The method of claim 2,
A guide tube for guiding the cold water pipe through the side surface of the inner case to the hinge device is provided in the space between the inner case and the outer case,
Wherein the guide tube is provided in a hollow pipe shape, and the cold water pipe is inserted therein.

The method of claim 3,
A tube hole through which the cold water pipe passes is formed on a side surface of the inner case,
Wherein the guide tube extends from the tube hole to the hinge device.

5. The method of claim 4,
The hinge device is provided on the upper side of the cabinet,
Wherein the tube hole is formed in a rear half portion of a side surface of the inner case,
Wherein the guide tube extends upward from the tube hole and then is bent forward at an upper end of an outer surface of the inner case to extend to the hinge device.

6. The method of claim 5,
Wherein the guide tube comprises:
A first guide tube provided on an outer surface of the inner case and extending from the tube hole to an upper end of an outer surface of the inner case;
And a second guide tube provided at the upper end of the inner side of the outer case, the second guide tube extending from the hinge device to an inner rear half of the outer case,
Wherein the first guide tube and the second guide tube are connected to each other when the outer case and the inner case are assembled.

The method according to claim 1,
The door
An outdoor unit forming an outer appearance of the door;
And a door liner forming a rear surface of the door and forming a space filled with the heat insulating material,
Wherein the cold water pipe introduced into the door is connected to the dispenser so as to extend from the outdoor door adjacent to the door liner.

The method according to claim 1,
Wherein the dispenser is located below the ice making chamber in the door,
Wherein the cold water pipe extends downward along an outer surface of the ice making chamber after being introduced into the door, and connected to the dispenser.

The method according to claim 1,
And an ice chute is formed in the inner space of the door to form a passage through which the ice-making chamber and the dispenser are connected,
Wherein the cold water pipe passes through the hinge device and flows into the door, and then is connected to the dispenser across the ice chute so as to be adjacent to the ice chute.

10. The method of claim 9,
A depressed depression is formed in a rear surface of the door below the ice making chamber,
The depressed portion is provided with a sub water tank for further cooling water supplied from the main water tank,
The cold water pipe,
A tank connecting pipe connecting the outlet of the main water tank and the inlet of the sub water tank;
And a dispenser pipe connecting the outlet of the sub water tank and the dispenser and crossing the ice chute so as to be adjacent to the ice chute.

11. The method of claim 10,
Wherein the tank connecting pipe extends downward along the outer surface of the ice making chamber after being introduced into the door and is connected to an inlet of the sub water tank through one side of the depressed portion.

11. The method of claim 10,
A heat insulating space filled with a heat insulating material is formed between the ice making chamber and the depressed portion inside the door,
The ice chute is exposed to the heat insulating space,
Wherein the dispenser pipe passes through the upper surface of the depression to flow into the heat insulating space and cross the ice chute so as to be adjacent to the ice chute in the heat insulating space.

13. The method of claim 12,
A water inlet port through which the dispenser pipe flows into the heat insulating space is formed in an upper surface of the depression,
The dispenser is provided at its rear surface with a cold water pipe inlet port through which the dispenser pipe is introduced into the dispenser,
Wherein the cold water pipe inlet port and the cold water pipe outlet port are formed at positions spaced laterally from the center of the ice chute.

14. The method of claim 13,
The dispenser piping includes:
The cold water pipe is inserted into the heat insulating space at a position on one side from the center of the ice chute,
The ice chute is extended from one side of the ice chute to the other side so as to be adjacent to the ice chute, and then flows into the dispenser through the cold water pipe entrance,
And is connected to a take-out pipe provided inside the dispenser for taking out water.

14. The method of claim 13,
The heat insulating space is provided with a cold water pipe guide for connecting the cold water pipe inlet and the cold water pipe outlet and guiding the dispenser pipe so that the dispenser pipe extends adjacent to the ice chute,
Wherein the cold water pipe guide is provided in the shape of a hollow aluminum pipe, and the cold water pipe is inserted.

16. The method of claim 15,
The cold water pipe guide includes:
A pipe inlet connected to the cold water pipe inlet and extending to a height adjacent to the lower end of the ice chute;
A pipe bending portion bent at an end of the pipe inlet portion toward the cold water pipe entrance;
A pipe extension extending from the end of the pipe bend toward the cold water pipe entrance and extending across the ice chute adjacent to the ice chute;
And a pipe outlet portion bent from the end of the pipe extension portion toward the dispenser and connected to the cold water pipe exit.

17. The method of claim 16,
Wherein the pipe extension portion is spaced apart from a rear surface of the dispenser.