KR20110136570A - Refrigerator - Google Patents

Abstract

The present invention relates to a refrigerator, comprising: forming a cold air outlet that can be opened and closed at the same horizontal position as the position of a shelf, and coupling the shelf to the cold air outlet to open the cold air outlet for each fixed shelf, thereby discharging the cold air discharged to food It is about a refrigerator that can always maintain a constant direction.
To this end, the present invention is a discharge port door installed to open and close the cold air outlet of the multi-duct; Shelf fixing guides corresponding to the side walls on the horizontal line of the discharge port door correspondingly to each other; And it is to provide a refrigerator comprising a flow path guide portion is provided on the end of the shelf is guided and fixed to the shelf fixing guide protruding to push the discharge port door open.

Description

Refrigerator {REFRIGERATOR}

The present invention relates to a refrigerator having a multi duct, and more particularly, to a refrigerator in which cold air is discharged through a plurality of cold air discharge ports formed in each compartment of each shelf.

In general, the refrigerator is divided into a freezer compartment and a refrigerating compartment to freeze and refrigerate food, respectively. In addition, a freezing compartment door and a refrigerating compartment door are separately provided to selectively shield the freezing compartment and the refrigerating compartment.

The inside of the refrigerator is cooled by continuously supplied cold air, and the cold air is continuously generated by the heat exchange action of the refrigerant repeatedly performing cycles of compression, condensation, expansion, and evaporation. In addition, the cold air supplied into the refrigerator may be evenly transferred to the inside of the refrigerator by convection, so that food stored in the refrigerator may be stored at a desired temperature.

The cooling system for cooling the refrigerator configured as described above includes a plurality of cold air outlets formed in each compartment of the shelf in a multi duct corresponding to the rear wall of the refrigerator compartment, and a plurality of cold air outlets formed in the side ducts of the front left and right sides. After being discharged to cool the injected food by circulating the internal space of the refrigerating compartment, the cold air is discharged through the cold air outlet formed in the ceiling of the refrigerating compartment.

However, since the cooling system of the conventional refrigerating compartment, which is configured and acts in this way, a certain amount of cold air is always supplied to the refrigerating compartment from a cold air outlet at a predetermined position regardless of the load of food stored therein, the shelf is changed. There is a problem in that the cooling direction of the cold air discharged to the food to be stacked is changed so that efficient cooling is not achieved.

Therefore, the present invention has been made in order to solve the above problems, to form a cold air outlet that can be opened and closed at the same horizontal position as the position of the shelf, the cold air outlet is opened for each fixed shelf by coupling the shelf to the cold air outlet It is intended to provide a refrigerator that can always maintain a constant discharge direction of the cold air discharged to food.

In order to achieve the above object, a refrigerator according to the present invention comprises: a discharge port door installed to open and close a cold air discharge port of a multi duct; A shelf fixing guide positioned on a horizontal line of the discharge port door and correspondingly facing each other on both side walls of the refrigerating chamber so that the shelf is guided; And a flow path guide part provided at an end of the shelf guided and fixed to the shelf fixing guide to protrude to open the discharge door.

A hinge is provided below the discharge port door, and the discharge port door rotates backward by the hinge, and is configured to elastically rotate by an elastic member.

The flow guide portion is characterized in that the inclined shape upward toward the rear from the end of the shelf.

The flow guide portion is characterized in that the side surface protruding upward on both sides of the bottom surface.

As described above, the refrigerator according to the present invention has an effect of preventing the deterioration of the cooling performance due to the change of the shelf position by always matching the discharge direction of the cold air discharged to the food to the shelf position.

1 is a perspective view showing the inside of a refrigerator according to the present invention.
Figure 2 is a schematic front view showing the shelf position and the cold air outlet position of the refrigerator according to the present invention.
Figure 3 is a perspective view showing a flow guide portion provided on the shelf of the refrigerator according to the present invention.
Figure 4 is a side cross-sectional view showing the cold air flow of the refrigerator according to the present invention.

Hereinafter, the configuration of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing the interior of the refrigerator according to the present invention, Figure 1 is a schematic front view showing the position of the shelf and the cold air outlet of the refrigerator according to the present invention, Figure 3 is a cold air outlet of the refrigerator according to the present invention A schematic side cross-sectional view showing a shelf coupled to a.

4 is a perspective view illustrating a flow path guide part provided on a shelf of a refrigerator according to the present invention.

As shown in FIG. 1, the refrigerator according to the present invention is rotatably mounted on a front surface of the main body 10 and a main body 10 partitioned into a refrigerating chamber 11 and a freezing chamber 12 by a barrier. (11) and the refrigerator compartment door 13 and the freezer compartment door 14 to selectively open and close the freezer compartment 12. In addition, a plurality of shelves 15 and storage boxes 16 are provided in the storage space inside the main body 10.

On the other hand, the rear surface of the refrigerating compartment door 13 and the freezer compartment 14 are provided with a plurality of baskets 17 for storing food, the freezer compartment 14 for making ice 18 And a dispenser (not shown) for taking out ice is mounted on the front surface of the freezer compartment door 14.

At the rear of the rear wall and the side wall of the refrigerating chamber 11 is provided a multi duct 19 through which cold air generated from an evaporator (not shown) moves.

The multi-duct 19 has a cold air outlet 20 is formed in each compartment in which the shelf 15 is installed. The cold air discharge port 20 is provided with a discharge port door 21 that can be selectively opened and closed.

The discharge port door 21 is an elastic member such as a torsion spring while being rotated backward by a hinge 21a provided at a lower portion thereof to selectively open and close the at least one cold air discharge port 20 formed to penetrate in the longitudinal direction. It is configured to return to the original state by).

The discharge port door 21 configured as described above is configured to close the cold air discharge port 20 in a normal manner to prevent discharge of cold air moving through the multi duct 19, thereby minimizing the amount of discharge discharged into the refrigerator. .

On the other hand, as shown in Figure 2, on the horizontal line of the cold air outlet 20, the shelf fixing guide (15a) facing each other correspondingly to both side walls of the refrigerating chamber (11) so as to be fixed in parallel to the shelf (15) Is installed.

In such a state that the cold air discharge port 20 is closed by the discharge port door 21, the shelf 15 is placed along the shelf fixing guide 15a to store food on the shelf 15 to be refrigerated. It is fixed by being guided to the face wall.

The discharge port door is formed at a rear end of the shelf 15 so that the cold air may be discharged toward the shelf 15 through the cold air discharge port 20 corresponding to the shelf 15 fixed to the shelf fixing guide 15a. The flow path guide part 150 which opens 21 is provided. That is, the flow path guide part 150 is configured to push the discharge door 21 by the protruding length so that the discharge door 21 rotates backward by a predetermined angle so that a part of the cold air discharge port 20 is opened.

The flow guide 150 is formed to be inclined upward from the end of the shelf 15 so that cold air descending along the flow path of the multi duct 19 can be guided to the cold air discharge port 20. have.

When the protruding portion of the flow path guide part 150 is inserted into the flow path of the multi duct 19, cold air descending along the multi duct 19 collides with the portion inserted into the multi duct 19. As the direction is changed, it spreads over the shelf 15 through the cold air outlet 20.

In this case, as shown in FIG. 3, the cold air discharged to the shelf 15 through the flow path guide part 150 may be concentrated on both bottom surfaces of the flow path guide part 150 so as to concentrate the central surface of the shelf 15. It is preferable that the side part 151 which protrudes upwards is provided.

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

Figure 4 is a side cross-sectional view showing the cold air flow of the refrigerator according to the present invention.

First, the refrigerant in the two-phase state in which liquid and gas are mixed while passing through a compressor (not shown) and a condenser (not shown) installed in the machine room of the refrigerator is sucked into the evaporator installed at the rear of the freezing chamber 12 and then the evaporator As it passes, it vaporizes and takes away the heat around it.

The air around the evaporator is cooled by the evaporation of the refrigerant as described above, and the cooled cold air is blown by a blower fan (not shown) to be supplied to the freezer compartment 12, and at both sides and the rear of the refrigerating compartment 11, respectively. It moves to the installed multi-duct 19.

When the user fixes the shelf 15 to the shelf fixing guide 15a to which the shelf 15 is to be fixed, the cold air discharge port 20 in which the flow path guide 150 provided at the rear end of the shelf 15 is located on the same horizontal line is provided. The discharge port door 21 is pushed.

When the discharge port door 21 is pushed, the discharge door 21 rotates backward through the hinge 21a to open the cold air discharge port 20.

At this time, the discharge port door 21 is restored to the front by the elastic member located in the hinge 21a to be in close contact with the rear of the flow path guide portion 150 so as to guide the cold air toward the shelf (15). do.

As described above, when the cold air discharge port 20 is opened, cold air descending along the multi duct 19 is discharged toward the shelf 15 along the flow guide 150.

In other words, by allowing the shelf 15 to be coupled to the cold air outlet 20, the cold air outlet 20 is opened for each fixed shelf 15 so that the discharge direction of the cold air discharged toward the food is always constant. It can be maintained.

When the shelf 15 is separated from the shelf fixing guide 15a, the discharge port door 21 is restored to its original state and closes the cold air discharge port 20 again.

In addition, since the cold air outlet 20 of the position at which the shelf 15 is not fixed is always closed, cold air can be concentrated only at the cold air outlet 20 which is open, thereby further improving cooling efficiency.

Through such a configuration and action, the present invention is provided with a discharge port 21 in the cold air discharge port 20 to enable the opening and closing of the cold air discharge port 20 according to the situation, by pushing the discharge door 21 to the cold air discharge port ( The shelf guide 15 may be provided with a flow path guide 150 capable of opening the shelf 20 on the shelf 15 so that cold air is discharged to the shelf 15 through the cold air outlet 20 according to the fixing position of the shelf 15. Decreasing the cooling efficiency due to the change of the position can be prevented.

Although the preferred embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and the general knowledge in the art to which the present invention pertains without departing from the gist of the present invention as claimed in the claims. Anyone with a variety of modifications can be made, as well as such changes are within the scope of the claims.

10: body 11: refrigerator
12: freezer compartment 13: the refrigerator compartment door
14 freezer door 15 shelf
15a: shelf fixing guide 16: storage box
17: basket 18: ice maker
19: multi duct 20: cold air outlet
21: discharge port door 21a: hinge
150: euro guide portion 151: side portion

Claims (4)

A discharge port door installed to open and close the cold air discharge port of the multi duct;
A shelf fixing guide positioned on a horizontal line of the discharge port door and correspondingly facing each other on both side walls of the refrigerating chamber so that the shelf is guided; And
And a flow path guide part provided at an end of the shelf guided and fixed to the shelf fixing guide and protruding to push and open the discharge door.
The method of claim 1,
A hinge is provided below the discharge port door, and the discharge port door rotates backward by the hinge, and is configured to elastically rotate by an elastic member.
The method of claim 1,
The flow guide portion is a refrigerator, characterized in that the shape inclined upward toward the rear from the end of the shelf.
The method according to claim 1 or 3,
The flow guide portion is a refrigerator, characterized in that the side surface protruding upward on both sides of the bottom surface.

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