KR20080083954A - A refrigerator - Google Patents

Abstract

A refrigerator is provided to improve the reliability and product satisfaction for customers by reducing an amount of frost deposited on food and a sub drawer. A refrigerator comprises a freezer compartment for freezing food, drawers(240,300) installed inside the freezer compartment and placing the food. The drawers have an insulation layer(340), which is a predetermined space formed by plural panels(320) positioned at a front surface of the drawers, at its one side. The insulation layer, as an air layer formed by welding an assembling portion of panels, is protruded to attach peripheries of the panels. The drawers also include plural ribs for fixing the panels at its lower surface.

Description

Refrigerator {A refrigerator}

1 is a front view showing the internal structure of a refrigerator which is one embodiment according to the present invention;

Figure 2 is a perspective view showing the internal structure of the freezer compartment of the refrigerator according to one embodiment of the present invention.

Figure 3 is a schematic side cross-sectional view for showing the internal structure of the freezer compartment of the refrigerator according to one embodiment of the present invention.

Figure 4 is a schematic side cross-sectional view for showing the internal structure of the freezer compartment of the refrigerator according to another embodiment of the present invention.

5A and 5B are views for explaining the action of the heat insulation layer of the sub drawer provided in the freezer compartment of the refrigerator according to the present invention;

Explanation of symbols on the main parts of the drawings

100 ..... Refrigerator 120 ..... Refrigerator Door

140 ..... Refrigerated Basket 150 ..... Home Bar

160 ..... Refrigerator Shelf 170 ..... Dairy Baskets

180 ..... Organic Lighthouse 190 ..... Multipurpose Wide Room

200 ..... Freezer 220 ..... Freezer Door

222 ..... Door handle 230 ..... Grill pan

240 ..... Main drawer 260 ..... Cold air outlet

280 ..... Freezer basket 290 ..... Cold supply fan

300 ..... Sub Drawer 320 ..... Front Panel

340 ..... insulation layer 350 ..... cold layer

360 ..... Rib 380 ..... Packing

390 ..... rolling elements 400 ..... ice making room

500 ..... Sliding Guide

E ....... evaporator

The present invention relates to a refrigerator, and more particularly, in a refrigerator in which a freezing compartment is formed at a lower side, a heat insulation layer is formed at a front side of a drawer provided inside the freezing compartment to include an external air introduced when the freezing compartment door is opened. It relates to a refrigerator to reduce the moisture to adhere to the surface of the internal structure of the freezer compartment.

In general, a refrigerator is used to freeze or refrigerate food by discharging cold air generated by a refrigeration cycle consisting of a compressor, a condenser, an expansion valve, and an evaporator to lower the temperature in the refrigerator. Top Mount-Type, which consists of a freezer compartment and a refrigerator compartment divided up and down, a Bottom Freezer-Type, in which a freezer compartment is formed on the lower side, and a freezer compartment and a refrigerating compartment compartment, It is divided into Side by Side-Type.

Among the various types of refrigerators, the bottom freezer type refrigerator is a refrigerator compartment formed at an upper portion and a freezer compartment formed at a lower portion thereof as described above, and an inner space is partitioned up and down by a barrier to open the refrigerator compartment. Or more refrigerating compartment doors are mounted to be rotatable in one direction, and a freezing compartment door for opening the freezing compartment is mounted to be slidably withdrawn forward.

In more detail, the freezer compartment door is fastened to a drawer provided at a rear surface thereof, and sliding rails are provided on both sides of the drawer so as to be slidably pulled forward and backward, and an inner wall surface of the freezer compartment corresponds to the sliding rail. Guides are formed.

Therefore, when the user pulls forward in a state of holding the door handle formed on the freezer compartment door, the drawer connected to the door is slid out to the front so that the user can easily store or take out food therein.

In addition, the drawer is composed of a main drawer for storing a large volume of food and a sub drawer for storing a relatively small volume of food, the main drawer is directly connected to the freezer compartment door is a freezer door It is configured to be pulled out together when being pulled forward, and the sub drawer is provided so that the user can directly grasp and withdraw the food, so that the food can be classified and stored according to the purpose of use.

However, the above conventional technologies have the following problems.

In the refrigerator according to the prior art, the outside air is smoothly introduced into the refrigerating chamber in the process of opening and closing the freezer door, and the outdoor air contains moisture, and the moisture contained in the outside air is bound to the surface of the sub drawer and the internal structure. The bound moisture has a problem of freezing in a short time due to the cold air flowing through the cold air outlet in the state in which the freezing chamber door is shielded due to the relatively short cold air flow path.

And, if the sexual love is implanted in the structure as described above there is a problem that the appearance is not beautiful.

In addition, the sex frost on the interior of the structure is not only a structure but also stored in the food is stored there is a problem that the user's emotional discomfort caused.

An object of the present invention, which was devised to solve the problems of the prior art as described above, is to provide a refrigerator provided with a heat insulation layer on the front side of the drawer provided in the freezer compartment.

Another object of the present invention, the heat insulating layer is formed in three or more ribs protruding upward from the bottom of the drawer, a plurality of front panels interposed between the ribs, and packing to shield the side and the top surface of the front panel It is to provide a refrigerator made by.

Yet another object of the present invention is to provide a refrigerator in which the plurality of panels forming the front surface of the drawer are formed while maintaining a predetermined distance from each other, and the joining portions of the panels are sealed by ultrasonic welding. To provide.

The present invention for achieving the above object has a configuration including a freezer compartment for storing food frozen and a drawer provided inside the freezer compartment for storing food, the insulating layer is formed on one surface of the drawer do.

The heat insulation layer is characterized in that the predetermined space formed by a plurality of panels forming the front of the drawer.

The heat insulation layer is characterized in that the air layer formed by protruding the edges of the plurality of panels to be bonded to each other (formed) and formed by ultrasonic welding of the joining portion of the plurality of panels.

The insulating layer is characterized in that it comprises a plurality of removable panels.

A bottom of the drawer is characterized in that a plurality of ribs for fixing the plurality of panels is provided.

The plurality of panels is characterized by being fitted between the plurality of ribs.

At least one side of the panel is characterized by being shielded by packing.

In another aspect, the present invention is a refrigerator provided with a freezer compartment, comprising a cold air outlet formed on the rear wall of the freezer compartment and a sub drawer located in front of the cold air outlet, the front portion of the subdrawer The at least one injection molding is characterized in that the ultrasonic fusion to form a heat insulating layer.

According to the present invention as described above there is an advantage that the water contained in the outside air flowing in when the freezing chamber door is implanted on the surface of the freezer compartment internal structure is reduced.

Hereinafter, a refrigerator according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a front view showing the internal structure of a refrigerator according to an embodiment of the present invention.

As shown in the drawings, in the refrigerator according to the present invention, a storage space having a substantially rectangular shape is divided up and down by a barrier, and the partitioned upper side forms a refrigerating chamber 100 for refrigerating and storing food, and the lower side freezing food. It is configured to form a freezer compartment 200 for storage and to store food separately according to the purpose of use and storage method.

In addition, the refrigerating chamber 100 is shielded on the front surface by the refrigerating chamber door 120 mounted to be rotatable in one direction to prevent the cool air in the inside of the refrigerator from leaking to the outside, and of the refrigerating chamber door 120 The rear surface further includes a refrigerator compartment basket 140 in which food such as a drink or drinking water is stored, and a dairy basket 170 in which dairy products such as milk are stored.

In addition, the refrigerating chamber door 120 is further provided with a home bar 150 to draw and eat food, such as drinks or drinking water contained therein without opening the refrigerating chamber door 120 from the outside, the refrigerator compartment ( The interior space of 100 is partitioned by a plurality of refrigerator compartment shelves 160.

In addition, the refrigerating chamber 100 is configured as a separate space is provided with an organic light special feature room 180 and a versatile wide room 190 that can be individually controlled temperature, the organic light special feature room 180 has a variety of colors A plurality of LEDs are provided to irradiate the light so that the stored food can be stored more freshly by irradiating light of a color suitable for the stored food.

On the other hand, the freezer compartment 200 provided below the refrigerating compartment 100 has an appearance formed by the freezer compartment door 220, the main drawer 240 is provided on the rear side of the freezer compartment door 220.

In addition, an ice making chamber 400 for generating ice above the main drawer 240 is provided, and a sub drawer 300 is further provided to the right side of the ice making chamber 400.

In addition, the main drawer 240 is interlocked with the freezer compartment door 220 when the user grips and pulls the door handle 222 provided on the front surface of the freezer compartment door 220 to the freezer compartment 220. The main drawer 240 is configured to be drawn out forward.

Hereinafter, the structure of the freezer compartment 200 will be described in more detail with reference to the accompanying drawings.

2 is a perspective view showing a structure in which a sub drawer of a refrigerator according to the present invention is mounted, and as shown in the drawing, a freezer compartment evaporator E is provided at a rear side of the freezer compartment 200 and the freezer compartment evaporator E In front of the) is provided a grill pan 230 for shielding the freezer compartment evaporator (E).

In addition, a rear side of the grill pan 230 is provided with a cold air supply fan 290 for supplying the cold air generated in the evaporator (E) to the freezing chamber 200, a part of the cold air generated in the evaporator (E) Through the cold air duct (not shown) to force the air to the freezing chamber 200, as well as the cold air discharged to the freezing chamber 200, the cold air duct (not shown) to be forcibly transported to the refrigerating chamber 100 ) Is formed by branching, and the cold air supply fan 290 is provided below a branch point of the cold air duct (not shown).

In addition, a cold air outlet 260 is formed at one side of the grill pan 230. The cold air discharge port 260 is a passage through which the cold air blown by the cold air supply fan 290 is discharged to the freezing chamber 200, and is formed in a rectangular shape on the upper left side of the grill pan 230.

On the other hand, sliding guides 500 protruding inwardly in the horizontal direction are formed at upper ends of both inner walls of the freezing chamber 200. The sliding guide 500 is for guiding the withdrawal / mouth of the sub drawer 300 mounted inside the freezing compartment 200, and the rolling member 390 of the sub drawer 300 to be described below is inserted. And spaced apart a little more than the diameter of the cloud member 390 so as to be movable forward / rear so as to be paired up and down.

The sub drawer 300 is mounted to the front of the cold air outlet 260 is formed in the shape of a drawer having an upper surface opened to keep food or small foods that need to be separated and stored.

And, as described above, both side surfaces of the sub drawer 300 is provided with a rolling member 390, the rolling member 390 on both sides of the sub drawer 300 is a sliding guide formed on the inner wall of both sides of the freezer compartment 200 It is accommodated in the 500 it is possible to withdraw / in the front or rear by the rotational movement of the rolling member 390 accommodated inside the sliding guide 500.

In addition, the front portion of the sub-drawer 300 is provided with a heat insulating layer 340.

Referring to this in more detail through the drawings, Figure 3 is a schematic side cross-sectional view for showing the internal structure of the freezer compartment of the refrigerator according to an embodiment of the present invention, the front of the sub-drawer 300 is formed in a double structure of the heat insulating layer ( 340 is formed.

The heat insulation layer 340 as described above is possible because the front panel 320 forming the front portion of the sub drawer 300 is formed in a dual structure. In detail, the front panel 320 has a corresponding size. Branches are formed in a shape in which two panels face each other and have a predetermined interval, and are accommodated in a jig for ultrasonic welding in the joined state.

That is, the two panels are formed to protrude in a shape corresponding to the edges, and when the high frequency is generated using a high frequency fusion machine in the state accommodated in the jig as described above, the mating portion of the panel accommodated in the jig is subjected to the vibration of the high frequency. As a result, heat is generated in the mold part, and when pressure is applied using the jig in the above state, the mold part is pressed and sealed.

Therefore, the front panel 320 formed as described above has a heat insulating layer 340, that is, an air layer distinct from the outside.

Meanwhile, FIG. 4 illustrates another embodiment of the front panel 320 of the sub drawer 300.

Figure 4 is a schematic side cross-sectional view for showing the internal structure of the freezer compartment of the refrigerator according to another embodiment of the present invention, as shown in the drawing, a plurality of ribs protruding upward on the front bottom of the sub-drawer (300) 360 is provided.

In addition, a plurality of front panels 320 are fitted between the ribs 360, and packings 380 are fitted to the edges of the plurality of front panels 320.

In more detail, the ribs 360 are formed to protrude upward at positions spaced apart by an interval corresponding to the thickness of the front panel 320, and the ribs 360 formed as described above are paired with each other. To form one groove.

That is, as shown in FIG. 4, four ribs 360 protruding upward are formed on the bottom surface of the sub drawer 300, two grooves are formed by the ribs 360, and the two The front panel 320 is inserted into each of the grooves are arranged to achieve a predetermined interval.

In addition, an elastic packing 380 is fitted to an edge of the front panel 320 disposed as described above, and the space shielded by the two front panels 320 and the packing 380 is provided with a heat insulating layer 340. Form.

On the other hand, the main drawer 240 provided in the interior of the freezer compartment 200 is connected to each other to be pulled out in conjunction with the freezer compartment door 220 as described above, although not shown in the drawing the main drawer Sliding rails are provided at both sides of the main drawer 240 so that the 240 and the freezing chamber door 220 are smoothly drawn out.

In addition, guide rails (not shown) corresponding to the sliding rails are provided at both sides of the inner surface of the freezing compartment 200, and the sliding rails are mounted to be inserted into the guide rails (not shown). The sliding rail is withdrawn / drawn out of the freezer compartment 200 along.

Therefore, when the user holding the door handle 222 provided in the freezer compartment 220 pulls the door handle 222 forward, the main drawer 240 together with the freezer compartment 220 Withdrawn.

In addition, the freezing chamber door 220 is provided with a tilting control unit at one side, although not shown in the drawing, and the freezing chamber door 220 may be rotated and opened based on the lower end of the main drawer 240 as necessary. Will be.

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

5A and 5B are views for explaining the action of the heat insulation layer of the sub drawer provided in the freezer compartment of the refrigerator according to the present invention.

Referring to the bar shown in these drawings, in order to store food that requires freezing storage in the refrigerator according to the present invention, the user first grips the door handle 222 of the freezer door 220 provided in the lower side of the refrigerator. Pulled forward.

When the user pulls the door handle 222 as described above, the main drawer 240 and the sub drawer 300 are exposed to the outside together with the freezer compartment door 220 as shown in FIG. The inside of the 200 is opened, and at this time, outside air flows into the freezing compartment 200.

When the outside air is introduced as described above, the front panel 320 of the sub drawer 300, which is relatively in contact with the outside air, is heat-exchanged with the outside air, and the temperature of the heat insulation layer 340 increases. Then, the moisture contained in the outside air is bound to the front panel 320.

On the other hand, in the above state, after the user accommodates food in the main drawer 240, the sub drawer 300 or the freezer basket (), the user grips the door handle 222 and rearwards the freezer door 220. Push it into the freezer compartment 200 so that the interior and exterior spaces are shielded.

After the inside of the freezer compartment 200 and the external space is shielded as described above, the outside air and the newly supplied cold air circulate in the inside of the freezer compartment 200.

In addition, the cold air supplied as described above is discharged to the rear surface of the sub drawer 300. At this time, the heat insulation layer 340 formed inside the sub drawer 300 maintains a relatively high temperature. The moisture bound to the front of the drawer 300 is removed by the cold air passing through the periphery of the front panel 320 before the cooling rate is reduced by the heat insulating layer 340 to freeze.

The scope of the present invention as described above is not limited to the above-described embodiment, but many other modifications based on the present invention will be possible to those skilled in the art to which the present invention pertains.

For example, a structure such as a heat insulating layer formed on the sub drawer may be formed on the main drawer and the drawer drawer compartment as well as the sub drawer, but it will be apparent that the present invention is included in the technical idea of the present invention.

According to the present invention as described above there is an advantage in that the amount of water contained in the outdoor air flowing into the refrigerator inside the high-temperature (庫內) structure to be frozen and reduced.

And, as described above, there is an advantage that the appearance is more beautiful when the freezing chamber door is opened as the amount of freezing is reduced in the sub drawer located in front of the structure, in particular, the cold air discharge port.

In addition, while the amount of freezing of the sub drawer is reduced, there is an advantage in that frosting is reduced in food stored in the sub drawer.

In addition, as the amount of frost on the sub-drawer and the food is reduced as described above, the product satisfaction of the consumer is increased, thereby increasing the reliability of the refrigerator.

Claims (8)

A freezer for freezing and storing food; It is provided inside the freezer compartment, and has a configuration including a drawer for storing food; Refrigerator, characterized in that a heat insulation layer is formed on one surface of the drawer. The method of claim 1, wherein the heat insulation layer, Refrigerator, characterized in that a predetermined space formed by a plurality of panels forming the front of the drawer. The method of claim 2, wherein the heat insulation layer, And an air layer formed by protruding the edges of the plurality of panels so that the edges of the plurality of panels form each other, and forming the joined portions of the plurality of panels by ultrasonic welding. The heat insulating layer of claim 1 or 2, Refrigerator comprising a plurality of removable panels. The bottom surface of the drawer according to claim 4, And a plurality of ribs fixing the plurality of panels. The method of claim 5, wherein the plurality of panels, Refrigerator characterized in that fitted between the plurality of ribs.  The method of claim 6, At least one surface of the panel is shielded by a packing. In the refrigerator provided with a freezer, Cold air outlet formed on the rear wall of the freezer, It has a configuration including a sub drawer located in front of the cold air discharge port; The front part of the sub-drawer, characterized in that the two or more injection molding is ultrasonically fused to form a heat insulating layer.

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