KR100751106B1 - Refrigerator door with ice-making room - Google Patents

Abstract

The present invention relates to a refrigerating chamber door having an ice making room capable of guiding insulation and cold air of the ice making room by providing an insulation duct on one side of the refrigerating room door provided with the ice making room.

To this end, the present invention, in the refrigerating chamber door 220 is provided with an ice making room 400 which is a space in which ice is made, protrudes and recessed up and down, the refrigerating room door including the ice making room 400 ( 220) a door liner 224 forming a shape of the rear surface; It is formed of a heat insulating material to block heat exchange with the outside, and is mounted on one side of the door liner 224, in which cold air flows to the inside / outside of the ice making chamber 400, and one side of the refrigerator main body 100 and the It is configured to include a heat insulating duct 440 for guiding the cold air flow between the ice making chamber (400). According to the present invention having such a configuration, the ease of use is increased, and there is an advantage that the strength of the heat insulation duct can be enhanced and the separation can be prevented.

Refrigerator, ice-making room, cold room door, insulation duct, support bracket

Description

Refrigerator door with ice-making room {Refrigerator door with ice-making room}

1 is a front view showing a state in which the door of the refrigerator according to the prior art is opened.

Figure 2 is a perspective view showing an open state of the door of the refrigerator employing the refrigerating chamber door with an ice making room according to the present invention.

Figure 3 is a partial perspective view showing the internal configuration of the ice making room which is a main component of the refrigerating chamber door provided with an ice making room according to the present invention.

Figure 4 is a rear view showing the rear shape of the door liner which is a main part of the refrigerating chamber door with an ice making room according to the present invention.

Figure 5 is a partially exploded perspective view showing the mounting structure of the heat insulation duct and the support bracket which is a main component of the refrigerating chamber door equipped with an ice making room according to the present invention.

6 is a cross-sectional view showing a state in which a heat insulation duct and a support bracket are mounted on a door liner which is a main part of a refrigerating chamber door equipped with an ice making room according to the present invention.

Explanation of symbols on the main parts of the drawings

100. Body 120. Cold duct

122. Supply duct 122a. Duct Supply Port

124. Exhaust duct 124a. Duct outlet

200. Refrigerator 220. Refrigerator door

220 '. Left door 220 ''. Right door

222. Outcase 224. Doorliner

224a. Supply port 224b. outlet

300. Freezer compartment 320. Freezer compartment door

340. Storage Box 360. Evaporator

400. Ice making room 410. Ice making room door

420. Ice Makers 430. Ice Banks

440. Insulation duct 442. Supply passage

444. Outlet passages 446. Seating units

450. Support bracket 452. Mounting part

452a. Through hole 452b. Gasket Mount

454. Fixed parts 460. Ice-making gaskets

462. Elastic section 464. Joint section

E. Foam

The present invention relates to a refrigerator, and more particularly, to a refrigerator compartment door having an ice making compartment capable of guiding insulation and cold air of an ice making compartment by providing an insulation duct on one side of the refrigerator compartment door having an ice making compartment.

Generally, a refrigerator is a device for low-temperature storage of food, and is a home appliance that is frozen or refrigerated according to the state of food to be stored. There is a trend of anger.

In addition, the refrigerator is provided with a variety of convenience devices, the configuration of the interior is also diversified to suit the user's preferences and usage.

Hereinafter, a refrigerator of a bottom freezer type, in which a main body of the refrigerator is divided up and down and provided with a refrigerator compartment and a freezer compartment, respectively, in the upper and lower portions of the refrigerators having various configurations, will be described.

1 is a front view showing a door of a refrigerator according to the prior art opened. As shown in the drawing, the main body 1 of the refrigerator is formed in a rectangular parallelepiped shape, and the inner space of the main body 1 is a barrier ( 10) divided into upper and lower parts.

In the partitioned upper space of the main body 1 is formed a refrigerating chamber 20 which is a space for storing the food stored refrigerated, and the freezing chamber 30 which is a space for storing the food stored frozen is formed in the partitioned lower space, respectively. .

The refrigerating compartment 20 and the freezing compartment 30 are formed so that the front surface is opened, the inside of the refrigerating compartment 20 and the freezing compartment 30 is a plurality of shelves, drawers and baskets for partitioning the interior space for the storage of food It is provided.

The refrigerator compartment door 22 is provided on the front surface of the refrigerator compartment 20. The refrigerating compartment door 22 is for selectively shielding the opened front surface of the refrigerating compartment 20, a left door 22 ′ which selectively shields the front left side of the refrigerating compartment 20, and the refrigerating compartment 20. It consists of a right door 22 '' shielding the front right side of the.

The left door 22 'and the right door 22' 'are hinged to both side ends of the front surface of the refrigerating compartment 20, respectively, and are rotatably mounted to the left or the right, respectively, the left door 22' and the right side. The whole or part of the front surface of the refrigerating compartment 20 is opened by the rotation of the door 22 ″.

In addition, a plurality of baskets are mounted on the rear surface of the refrigerating chamber door 22 to store food stored upright, and if necessary, food stored on the rear side of the refrigerating chamber door 22 is easily opened without opening the refrigerating chamber door from the outside. A groove bar 24 may be provided to remove or insert the same.

On the other hand, a freezing chamber door 32 is provided on the front surface of the freezing chamber 30. The freezer compartment door 32 is formed into a corresponding shape so as to be withdrawn / drawn in a drawer type to selectively shield the opened front surface of the freezer compartment 30.

The rear surface of the freezer compartment 32 is equipped with a storage basket 34 for storing food for freezing storage. At this time, the storage basket 34 is hinged to the rear surface of the freezing chamber door 32 is configured to be tilted downward when the freezing chamber door 32 is opened.

In addition, although not shown in detail, the storage basket 34 is configured to be pulled out together with the freezer compartment 32 in a drawer type when the freezer compartment 32 is pulled out so that the storage space is exposed to the outside.

Meanwhile, an ice maker 36 for automatically ice-making ice is provided in the freezer compartment 30, and the ice iced by the ice maker 36 is stored in the ice draw 38 below the ice maker 36. According to the user will be taken out.

However, the prior art as described above has the following problems.

In the refrigerator according to the related art, an ice maker 36 for freezing ice is provided in the freezer compartment 30 below the main body 1 so that a user opens the freezer compartment 32 and bows the waist to take out the ice. ) And the ice draw 38 has a problem that causes inconvenience in use.

An object of the present invention is to solve the problems of the prior art as described above, a part of the cold air supplied to the freezer compartment flows to the ice-making chamber formed on one side of the refrigerating chamber door, the refrigerating chamber is provided with an ice-making room to perform the ice making To provide a door.

Another object of the present invention is to provide a refrigerating chamber door having an ice making chamber capable of guiding insulation and cold air of the ice making chamber by providing an insulation duct on one side of the refrigerating chamber door provided with the ice making chamber.

The refrigerating compartment door provided with an ice-making compartment according to the present invention for achieving the above object is a refrigerator compartment door having an ice-making compartment which is a space where ice is formed. A door liner forming a shape of a rear surface of the refrigerating chamber door including an ice room; It is mounted on one side of the door liner in which the flow of cold air to the inside / outside of the ice making chamber, and includes an insulation duct for guiding the flow of cold air between one side of the refrigerator body and the ice making chamber, the insulation duct, the insulation A supply passage formed on one side of the duct to provide a passage through which cold air from one side of the main body flows into the ice making chamber; Perforations are formed on the other side of the heat insulation duct, characterized in that the discharge passage for providing a passage for introducing the cold air of the ice making chamber to one side of the main body is formed.

One side of the heat insulation duct is provided with a support bracket for supporting the heat insulation duct to prevent deformation of the heat insulation duct, and the support bracket further has an ice making chamber gasket for preventing cold air leakage between the ice making chamber and one side of the main body. do.

The ice-making chamber gasket is formed of an elastic material, and is elastically selectively contacted with one end of a cold air duct forming a cold air flow path between the ice-making chamber and one side of the main body; Is formed coupled to one side of the elastic portion, it comprises a coupling portion to assist the elastic portion to be mounted to the support bracket.

One side of the heat insulation duct is formed with a mounting portion recessed in a corresponding shape so that the support bracket can be seated, and both sides of the support bracket are further formed bent vertically to be fixed to the support bracket.

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According to the present invention having such a configuration, the ease of use of the refrigerator is improved, and the strength reinforcement of the heat insulation duct and the anti-separation effect are provided.

Hereinafter, a preferred embodiment of a refrigerating chamber door having an ice making chamber according to the present invention having the configuration as described above will be described in detail with reference to the accompanying drawings.

FIG. 2 is a perspective view showing an open state of a door of a refrigerator employing a refrigerating chamber door having an ice making room according to the present invention. As shown in the drawing, the main body 100 of the refrigerator is formed in a substantially rectangular parallelepiped shape. The inside of the main body 100 is vertically partitioned so that the refrigerating chamber 200 is formed at the upper portion and the freezing chamber 300 is formed at the lower portion thereof.

The refrigerating compartment 200 is formed on the upper portion of the main body 100, and although not shown in detail, there are various types of baskets, shelves, and drawers for efficiently storing various kinds of foods in the refrigerating compartment 200. It is provided to partition the space of the refrigerator compartment 200.

The front surface of the refrigerating chamber 200 is formed to be opened, the front surface of the opened refrigerating chamber 200 is selectively shielded by the refrigerating chamber door 220. The refrigerating chamber door 220 selectively shields the opened front surface of the refrigerating chamber 200 and includes a left door 220 'and a right door 220' '.

The left door 220 'and the right door 220' 'are rotatably mounted on the front left and right sides of the refrigerating chamber 200, as in the structure of a double door refrigerator, and the left door 220' and the right door are rotated. It is configured to selectively shield all or a part of the opened front surface of the refrigerating compartment 200 by the rotation of 220 ″.

Meanwhile, a freezing compartment 300 is formed below the refrigerating compartment 200, that is, a lower portion of the main body 100, which is a separate space partitioned from the refrigerating compartment 200, and is freeze-stored inside the freezing compartment 300. Drawers or baskets for separating foods according to size or condition are provided.

In addition, a freezing chamber door 320 that shields the inside of the freezing chamber 300 is formed on the front surface of the freezing chamber 300. The lower end of the freezer compartment door 320 is hinged to the lower end of the storage box 340 for storing food, and the storage box 340 is formed to be slidable back and forth, and the front and rear together with the freezer compartment door 320. It is formed to be withdrawn / mouthed.

The evaporator 360 is provided at the rear of the freezing chamber 300. The evaporator 360 is to generate cold air by heat exchange between the refrigerant and the air inside the freezer compartment 300. The cold air generated by the evaporator 360 flows into the freezer compartment 300 and the refrigerating compartment 200. It enables the freezing and refrigeration of food.

On the other hand, some of the cold air generated in the evaporator 360 is introduced into the ice making chamber 400 for making and storing ice through the cold air duct 120.

The cold air duct 120 is a passage for guiding cold air flow by communicating with one side of the freezing chamber 300 adjacent to the evaporator 360 and the ice making chamber 400, and on the left side wall of the refrigerating chamber 200. It is built.

The cold air duct 120 is a supply duct 122 for transmitting cold air from the evaporator 360 to the inside of the ice making chamber 400, and the cold air used for ice making from the ice making chamber 400 to the freezing chamber 300. Consists of the discharge duct 124 for transmitting, they are arranged side by side up and down on the inner wall surface of the refrigerating chamber 200.

One end of the supply duct 122 and the discharge duct 124 is opened to communicate with one side of the freezing chamber 300 in which the evaporator 360 is formed, the supply duct 122 and the discharge duct 124 Each other end of the open) is exposed to the inner left side wall of the refrigerating chamber 200 to form a duct supply port 122a and a duct discharge port 124a, respectively.

The duct supply port 122a is formed to be in communication with the supply passage 442 of the heat insulation duct 440 to be described below to supply cold air into the ice making chamber 400, and the duct outlet 124a is In communication with the discharge passage 444 of the heat insulation duct 440 to be described below is formed so that the cold air used for ice making from the ice making chamber 400 can be discharged.

3 is a partial perspective view showing an internal configuration of an ice making chamber which is a main component of a refrigerating chamber door having an ice making chamber according to the present invention. As shown in the drawing, the left door 220 'of the refrigerating chamber door 220 is shown. An ice making chamber 400 is formed on the rear surface.

The ice making chamber 400 is a space for making and storing ice, and is formed by a door liner 224 forming a shape of the rear surface of the refrigerating chamber door 220.

Looking at this in more detail, the door liner 224 is coupled to the outer case 222 forming the outer shape of the portion exposed to the outside of the refrigerating chamber door 220, to form the outer shape of the refrigerating chamber door 220 It forms the shape of the back surface of the refrigerating chamber door 220, and is formed of a plastic injection molding to facilitate molding.

That is, the door liner 224 is protruded and recessed to facilitate mounting of the basket and the shelf on the rear surface of the refrigerating chamber door 220, and particularly, in the case of the left door 220 ′, the ice making chamber 400 is formed. In order to form a space of the ice making chamber 400 is formed to protrude and recessed forward / backward.

Looking at this in more detail, protruding from the top of the rear surface of the left door 220 'along the outside of the left door 220' is formed in front (refer to Figure 3), the protruding inner side is rear (Fig. 3) to form a space of the ice making chamber 400 which is recessed and opened forward.

An ice making chamber door 410 is rotatably mounted on an opened front surface of the ice making chamber 400 to selectively shield the ice making chamber 400. In addition, an ice maker 420 for making ice and ice made by the ice maker 420 may be stored inside the ice making chamber 400 and the required amount of ice may be discharged through a dispenser (not shown). The ice bank 430 is provided to allow.

On the other hand, the right side wall of the ice making chamber 400 has a supply port 224a which is an inlet for supplying cold air from the cold air duct 120 and an outlet port 224b which is an outlet through which cold air is discharged from the ice making room 400, respectively. It is formed through.

At this time, when the supply port 224a and the discharge port 224b are formed, the refrigerating chamber door 220, that is, when the left door 220 'is rotated and closed, the duct supply port of the cold air duct 120 122a) and the duct outlet 124a are formed at the corresponding position on the right wall surface of the ice making chamber 400.

Therefore, when the left door 220 'is closed, the supply port 224a and the discharge port 224b and the duct supply port 122a and the duct discharge port 124a are in close contact with each other to enable communication.

Figure 4 is a rear view showing the back shape of the door liner which is a main portion of the refrigerating chamber door with an ice-making chamber according to the present invention, Figure 5 is a heat insulation duct that is a main component of the refrigerating chamber door with an ice-making chamber according to the present invention; A partially exploded perspective view showing the mounting structure of the support bracket.

Looking at the rear surface of the door liner 224 as shown in these figures, the door liner 224 is protruded and recessed to the front and rear to form the back shape of the refrigerating chamber door 220.

The door liner 224 is combined with the outer case 222 to form the shape of the refrigerating chamber door 220. In addition, the foam liquid (E) is formed between the outer case 222 and the door liner 224 to form a heat insulating material to prevent loss of cold air inside the refrigerating chamber 200 through the refrigerating chamber door 220. Foam is filled.

At this time, since the inside of the ice making chamber 400 also has a temperature different from that of the refrigerating chamber 200, the inside of the ice making chamber 400 should be insulated from the inside of the refrigerating chamber 200. It will be preferable to fill the foam liquid (E).

Meanwhile, an insulation duct formed of an insulation material is formed at one side of the door liner 224 corresponding to the outside of the ice making chamber 400 recessed to the rear to form the ice making chamber 400 (see FIG. 4). 440 is mounted.

Looking at this in more detail, the heat insulation duct 440 is to guide the cold air between the cold air duct 120 and the ice making chamber 400 provided on one side of the main body 100, the supply port 224a and the outlet 224b is fitted to the left side (as seen in FIG. 4) of the rear surface of the door liner 224.

The heat insulation duct 440 is to secure a flow path of cold air flowing between the cold air duct 120 and the ice making chamber 400 before the heat insulating material is filled in the refrigerating chamber door 220, and the door liner 224. It will be desirable to be formed in a corresponding size and shape so that it can be fitted to the recessed portion of).

In addition, the outer case 222 and the door liner 224 is formed of the same insulating material as the foam liquid (E) is filled with a position adjacent to the ice making chamber 400, in particular the supply port (224a) and the outlet (224b) By insulating the heat loss is prevented by the heat exchange.

In addition, a supply passage 442 and a discharge passage 444 are formed in the insulation duct 440. The supply passage 442 is formed to be perforated so that the inside and the outside of the ice making chamber 400 communicate with each other, and the cold air supplied through the supply duct 122 may be introduced into the ice making chamber 400.

The discharge passage 444 is formed at the lower side of the supply passage 442, and like the supply passage 442, is formed so that the inside and the outside of the ice making chamber 400 communicate with each other. The cold air used for ice making discharged from the ice making chamber 400 may be discharged to the discharge duct 124.

Therefore, when the heat insulation duct 440 is mounted, the opened portions of the supply passage 442 and the discharge passage 444 are respectively provided with the supply openings 224a and the discharge openings 224b formed at one side of the ice making chamber 400. It would be desirable to be formed to be consistent.

On the other hand, a seating portion 446 for mounting the support bracket 450 to be described below is formed on one side of the left side surface of the heat insulation duct 440 in contact with the supply port 224a and the discharge port 224b. The seating portion 446 is to facilitate the mounting and fixing of the support bracket 450, is formed recessed inward to correspond to the shape of the support bracket 450, the supply passage 442 and the discharge passage 444 Is formed in the opened portion of the).

At this time, the seating portion 446 is preferably formed to be recessed inwardly by the thickness of the support bracket 450 so that the support bracket 450 does not protrude to one surface of the heat insulation duct 440 when the support bracket 450 is mounted. something to do.

The support bracket 450 is used to prevent the insulation duct 440 from being deformed by external impacts, as well as to prevent the removal of the insulation duct 440. The support bracket 450 is formed in a plate shape to the insulation duct 440. The surface contact is made up of a substantially circular mounting portion 452 and a fixing portion 454 protruding and extending to both the upper and lower sides of the mounting portion 452.

The mounting portion 452 is mounted to the seating portion 446 formed around the openings of the supply passage 442 and the discharge passage 444 of the heat insulation duct 440, respectively, and the strength of the portion of the heat insulation duct 440. By reinforcing, it is formed in a circular shape larger than the diameter of the supply passage 442 and the discharge passage (444).

In addition, the inside of the mounting portion 452 is formed in a somewhat recessed shape as a whole, and thus the outer periphery of the mounting portion 452 is formed to project slightly upward.

In addition, a through hole 452a having the same diameter as that of the openings of the supply passage 442 and the discharge passage 444 is formed in a substantially central portion of the mounting portion 452, and when the support bracket 450 is mounted, The through hole 452a is formed to coincide with the opening of the supply passage 442 and the discharge passage 444.

A plurality of gasket mounting holes 452b are formed in the mounting portion 452 outside the through hole 452a. The gasket mounting hole 452b is for mounting the ice making chamber gasket 460 to be described below, and is formed in each of the upper, lower, left, and right sides of the through hole 452a.

On the other hand, the upper and lower ends of the mounting portion 452 is formed with a fixing portion 454 protruding upward and downward, respectively. The fixing part 454 is for fixing the support bracket 450 and is mounted on the upper and lower portions of the seating part 446 recessed to correspond to the shape of the support bracket 450.

The fixing part 454 is formed in a plate shape having a predetermined width, extends upward and downward from the upper and lower ends of the mounting part 452 by a predetermined length, respectively, and is then bent vertically in the direction of the heat insulation duct 440. Is formed.

In this case, the heat insulation duct 440 is formed to protrude so as to be in surface contact with the extended portion and the bent portion of the fixing portion 454, the fixing portion 454 the upper and lower edges of the protruding portion It is in close contact with the support bracket 450 to be fixed to the heat insulation duct 440.

In addition, the support bracket 450 may be injection-molded with a plastic resin having a higher strength than the heat insulating duct 440 foamed with a heat insulating material.

On the other hand, one side of the door liner 224 corresponding to the position of the support bracket 450 is formed with the supply openings 224a and the discharge openings 224b, respectively, wherein the supply openings 224a and the discharge openings ( The size of 224b is formed to correspond to the mounting portion 452 of the support bracket 450.

In addition, the inner circumference of the supply port 224a and the discharge port 224b formed to be opened is bent in the direction in which the support bracket 450 is mounted, so that the mounting portion 452 having an outer circumference formed therein is the door liner 224. It is possible to interfere with the inner circumference of the supply port (224a) and the outlet (224b).

Therefore, the support bracket 450 is seated and fixed to the seating portion 446 of the heat insulation duct 440, and the support bracket 450 is provided with a supply port 224a and an outlet port 224b of the door liner 224. By being interfered with by the inner circumference of the), the insulation duct 440 can be fixed as a whole.

Meanwhile, an ice making chamber gasket 460 is mounted on the door liner 224 on which the support bracket 450 is mounted.

The ice making chamber gasket 460 is an opening portion of the heat insulation duct 440 and the cold air duct 120 when the refrigerating chamber door 220, more specifically, the left door 220 ′ is closed. In order to be in close contact with each other, it will be desirable to be formed of an elastic material to improve the adhesion performance.

The ice making gasket 460 is composed of an elastic portion 462 and the coupling portion 464. The elastic portion 462 is to be in close contact with the open end of the cold air duct 120 provided in the main body 100 is formed of an elastic material, the ice-making chamber 400 by the rotation of the refrigerating chamber door 220 ) And one side of the main body 100 are in contact with the open end of the cold air duct 120 when adjacent to each other.

At this time, the elastic portion 462 is compressed to be in close contact with the outer circumferential surface of the open end of the cold air duct 120, so that the space between the cold air duct 120 and the ice making chamber 400 does not fall completely close do.

The elastic portion 462 is mounted to the coupling portion 464. The coupling part 464 is for mounting the ice making gasket 460, and may be formed in a substantially disk shape and made of a plastic material having the predetermined strength.

And, although not shown in detail in the center of the coupling portion 464 is formed perforated to allow the passage of cold air, the coupling projection (not shown) corresponding to the gasket mounting holes 452b of the support bracket 450 ) Is formed so that the ice making chamber gasket 460 can be mounted to the support bracket 450.

Therefore, the sealing performance between the heat insulation duct 440 and the cold air duct 120 may be improved by installing the ice making chamber gasket 460.

Hereinafter, the operation of the refrigerator according to the present invention having the configuration as described above will be described with reference to the drawings.

6 is a cross-sectional view showing a state in which a heat insulation duct and a support bracket are mounted on a door liner which is a main part of a refrigerating chamber door equipped with an ice making room according to the present invention.

2 to 6, when the refrigerating chamber door 220 is closed, the outer surface of the ice making chamber 400 provided in the left door 220 ′ is in contact with the inner surface of the main body 100. do.

In particular, the ice-making chamber gasket 460 provided on the side of the ice-making chamber 400 is in close contact with the door liner 224 in which the duct supply port 122a and the duct discharge port 124a of the main body 100 are formed. The duct 120 and the heat insulation duct 440 communicate with each other to secure a passage through which cold air flows smoothly.

In this case, the ice making chamber gasket 460 is in contact with the door liner 224 corresponding to the mounting portion 452 of the support bracket 450 mounted on the heat insulation duct 440. In addition, the support bracket 450 is formed of a relatively high strength plastic injection molding to support the load applied to the ice making chamber gasket 460.

Therefore, the insulation duct 440 is supported to prevent deformation of the insulation duct 440 even under a load caused by repeated contact by the ice making gasket 460.

Meanwhile, the cold air generated in the evaporator 360 while the cold air duct 120 and the heat insulation duct 440 are in communication with each other passes through the supply duct 122 and the supply passage 442 in order to It is supplied to the inside, and the water supplied to the ice maker 420 provided in the ice making chamber 400 is frozen.

The cold air used for ice making in the ice making chamber 400 is introduced into the freezing chamber 300 through the discharge duct 124 through the discharge passage 444 below the supply passage 442.

Meanwhile, referring to the assembling process of the refrigerating chamber door 220, that is, the left door 220 ′ in which the ice making chamber 400 is mounted, first, a supply passage for cold air flow between the ice making chamber 400 and the main body 100 ( 442 and the heat insulation duct 440 having the discharge passage 444 are formed, and the support brackets 450 are mounted on the seating portions 446 of the molded heat insulation duct 440, respectively.

The support bracket 450 is mounted to be in close contact with the heat insulation duct 440, and the heat insulation duct 440 on which the support bracket 450 is mounted is fitted to the door liner 224.

In this case, the heat insulation duct 440 should be mounted at the correct position such that the supply passage 442 and the discharge passage 444 coincide with the supply port 224a and the discharge port 224b of the door liner 224. The ice-making chamber gasket 460 is mounted at corresponding positions of the supply port 224a and the discharge port 224b.

The ice-making chamber gasket 460 is mounted to the gasket mounting hole 452b of the support bracket 450, and the support bracket 450 and the insulation duct 440 are tightly fixed to the door liner 224.

Next, the door liner 224 having the mounting of the heat insulation duct 440 is combined with the outer case 222 and then foamed to form a heat insulating material between the door liner 224 and the outer case 222. The liquid (E) is filled.

At this time, the foam liquid (E) fills the inner space of the door liner 224 and the outer case 222, and is also filled in the space in which the heat insulation duct 440 is mounted to fix the support bracket 450. 454 is buried in the foam liquid E, thereby completely fixing the support bracket 450.

The scope of the present invention is not limited to the above embodiments, and many other modifications based on the present invention will be possible to those skilled in the art within the above technical scope.

 In the refrigerating chamber door provided with the ice-making chamber according to the present invention as described above in detail, a support bracket made of plastic resin is mounted on the heat insulation duct mounted on the rear surface of the door liner.

Therefore, the heat insulation duct formed of a relatively soft material is strengthened so as not to be deformed by the refrigerating chamber gasket or foreign material frequently contacted, thereby improving durability.

At this time, the heat insulation duct is pre-formed with a heat insulating material of the same material as the foam liquid filled in the refrigerating chamber door is mounted on one side of the door liner to ensure a flow path for the flow of cold air is excellent inside the ice-making chamber It is effective to improve the ice making performance by having a heat insulating performance.

In addition, the support bracket is mounted on one surface of the heat insulation duct in contact with the door liner and in close contact with the door liner, so that a gap is generated between the door liner and the heat insulation duct due to the pressure of the foam liquid when the foam liquid is injected. Will be prevented.

In addition, the support bracket coupled with the heat insulation duct is fixed in close contact with the door liner to fix the mounting position of the heat insulation duct so as to prevent the mounting position of the heat insulation duct from being changed or removed by the pressure when the foam liquid is injected. do.

Therefore, as well as the effect of reducing the defective rate of the refrigerating chamber door as well as ensuring the normal flow path of the cold air has the effect of enabling the smooth communication of the air to improve the operating performance.

Claims (5)

In the refrigerator compartment door with the ice-making room which is the space where ice is made, A door liner protruding and recessed upward and downward to form a shape of a rear surface of the refrigerating chamber door including the ice making chamber; It is mounted on one side of the door liner in which the flow of cold air to the inside / outside of the ice making chamber, and includes an insulation duct for guiding the flow of cold air between one side of the refrigerator main body and the ice making chamber, In the heat insulation duct, A supply passage formed on one side of the heat insulation duct to provide a passage for allowing cold air from one side of the main body to flow into the ice making chamber; The refrigerator compartment door having an ice-making chamber is formed in the other side of the heat insulation duct, the discharge passage is provided to provide a passage for introducing the cold air of the ice-making chamber to one side of the main body. The method of claim 1, On one side of the heat insulation duct, A support bracket for supporting the insulation duct to prevent deformation of the insulation duct is mounted, and the support bracket further includes an ice-making chamber gasket for preventing leakage of cold air between the ice-making chamber and one side of the main body. Refrigerated compartment door. The method of claim 2, The ice-making gasket, An elastic part formed of an elastic material and selectively compressed in contact with one end of a cold air duct forming a cold air flow path between the ice making chamber and one side of the main body; The refrigerator compartment door having an ice-making chamber, which is formed to be coupled to one side of the elastic part and comprises a coupling part to assist the elastic part to be mounted on the support bracket. The method of claim 3, wherein On one side of the heat insulation duct, A refrigerating chamber provided with an ice making room, characterized in that a seating portion recessed in a corresponding shape is formed so that the support bracket can be seated, and both sides of the support bracket are vertically bent to form a fixing part fixed to the support bracket. door. delete

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