KR100664490B1 - Refrigerator - Google Patents

Abstract

A refrigerator is provided to reduce formation of ices on a first guide rail and a second guide rail of the same by reducing the influence of cooling air generated in a side surface cooling section to a first guide rail and a second guide rail. A refrigerator includes a housing(10), an inner box(11), a drawer type reception container(20), a pair of first guide rails(70), a pair of second guide rails(80), and an evaporator(60). The inner box is disposed in the housing and the front side of the inner box is opened so as to store an article. The inner box forms a storage chamber. The drawer type reception container is installed so as to be moved forward and rearward to store the articles. The first guide rails and the second guide rails are installed so as to be moved forward and rearward. The evaporator makes contact with the outer surface of the inner box to absorb heat from the inner box. The evaporator is disposed on both side surfaces of the inner box and includes a pair of side surface cooling sections disposed at a position lower than the first and second guide rails.

Description

Refrigerator {REFRIGERATOR}

1 is a perspective view of a refrigerator according to the present invention.

2 is a cross-sectional view showing the internal configuration of a refrigerator according to the present invention.

3 is a perspective view showing the arrangement of the evaporator and the rail heater of the refrigerator according to the present invention.

FIG. 4 is an enlarged view of part IV of FIG. 1.

Explanation of symbols on the main parts of the drawings

10: housing 11: inner wound

11a: Storage 20: Drawer Container

30: compressor 40: condenser

50: expansion device 60: evaporator

61: side cooling unit 70: first guide rail

71: first upper rail portion 72: first lower rail portion

80: second guide rail 81: second upper rail portion

82: second lower rail portion 90: rail heater

91: upper heating unit 92: lower heating unit

93: auxiliary lower heating part

The present invention relates to a refrigerator. More particularly, the present invention relates to a refrigerator capable of preventing freezing of the first guide rail and the second guide rail, which allow the drawer-type storage container to be installed in a storage compartment.

In general, the refrigerator is a device to maintain the freshness of various foods for a long time by keeping the storage compartment in which the storage is stored at a low temperature.

Among the refrigerators, as disclosed in Korean Laid-Open Publication No. 10-2000-54515, the storage compartment is provided to be opened to the front side so that the storage of kimchi and the like can be stored, and the kimchi refrigerator having the drawer-type storage container installed in the storage compartment to move forward and backward. Etc.

Refrigeration cycle components such as a compressor for compressing the refrigerant to high temperature and high pressure, a condenser for cooling and condensing the refrigerant, an expansion device for depressurizing and expanding the refrigerant, and an evaporator for absorbing and evaporating the refrigerant, The refrigerant passing through the evaporator absorbs heat from the inner phase that forms the storage compartment so as to cool the inside of the storage compartment.

In addition, the first guide rails are disposed on both sides of an inner portion of the inner chamber for forming the storage compartment so that the drawer-type storage container can be moved forward and backward, and on both sides of the drawer-type storage container at a position corresponding to the first guide rail. 2 Guide rails are arranged.

However, in the conventional refrigerator, since the moisture contained in the air evaporated in the storage compartment or the moisture contained in the outside air introduced from the outside is frozen between the first guide rail and the second guide rail, a large amount of force is required to draw out the drawer-type storage container from the storage compartment. There is a problem that it is inconvenient to use.

The present invention is to solve the above-mentioned problems of the prior art, an object of the present invention is a refrigerator that can reduce the freezing of the first guide rail and the second guide rail to be installed in the storage compartment to move forward and backward To provide.

The present invention for achieving the object, the housing forming the appearance, the inner box which is disposed in the housing and opened to the front side so that the storage can be stored and the storage chamber, and the storage room is installed to move forward and backward storage And a pair of first guide rails and a pair of drawer-type storage containers and a pair of first guide rails disposed on the inner sides of the inner box and both sides of the drawer-type storage containers to allow the drawer-type storage container to be installed in the storage compartment. A refrigerator including a second guide rail and an evaporator disposed to contact an outer surface of the inner phase to absorb heat from the inner phase, wherein the evaporators are disposed on both sides of the inner phase, respectively, the first guide rail and the second guide. Comprising a pair of side cooling parts disposed at a lower position relative to the rail Gong.

In addition, a rail heater for reducing the freezing of the first guide rail and the second guide rail is further provided at a position corresponding to the guide rail of the inner phase.

The rail heater may include an upper heating part for heating the upper part of the first guide rail and an upper part of the second guide rail, and a lower heating part for heating the lower part of the first guide rail and the lower part of the second guide rail. It is characterized by.

In addition, the middle portion of the upper heating portion is bent downward to be disposed adjacent to the lower heating portion is characterized in that it comprises an auxiliary lower heating portion for heating the lower portion of the first guide rail and the second guide rail.

The first guide rail may include a first upper rail part disposed on an upper side thereof and having a lower surface thereof concave upward, and a first lower rail portion disposed on a lower side thereof and concave downward on the upper side thereof. The guide rail is disposed at an upper side thereof, and has a second upper rail portion formed to concave downward to face the first upper rail portion, and a lower surface thereof concave upward to be disposed below and opposed to the first lower rail portion. And a second lower rail part, wherein the upper heating part heats between the first upper rail part and the second upper rail part, and the lower heating part is between the first lower rail part and the second lower rail part. It is characterized by heating.

Hereinafter, one preferred embodiment according to the present invention will be described in detail with reference to the drawings.

The refrigerator according to the present invention is open to the front side so that the housing 10 forming an appearance as shown in Figure 1, and the storage compartment (11a) is installed in the housing 10, the storage is stored therein can be formed. An inner phase 11 is included, and the space between the housing 10 and the inner phase 11 is filled with foamed resin for thermal insulation. In the present exemplary embodiment, two inner chambers 11 are provided at upper and lower portions of the housing 10, respectively, and are installed at upper and lower portions of the housing 10, respectively.

Each storage compartment (11a) is provided with a drawer-type storage container 20 for storing the storage of kimchi or the like to move forward and backward. The drawer type storage container 20 includes a cover part 21 which covers and closes the opening part of the storage compartment 11a, and a receiving part which is installed in the rear side of the cover part 21 and is formed in an enclosure shape opened upwardly to accommodate the storage object. Each of 22 is included.

In addition, the refrigerator 30 cools the refrigerant discharged from the compressor 30 and compresses the refrigerant to a high temperature and high pressure, as shown in FIG. A condenser 40 for condensing, an expansion device 50 such as a capillary tube for expanding under reduced pressure of the refrigerant delivered from the condenser 40, and the refrigerant is received from the expansion device 50 and the refrigerant evaporates from the inner phase 11. Refrigeration cycle components such as evaporator 60 to absorb heat are included. At this time, the inner phase 11 is made of a metal material with excellent thermal conductivity so that the absorption of heat through the evaporator 60 can be easily made.

Among these refrigeration cycle components, the evaporator 60 is formed in a circular tube shape as shown in FIG. 3 and installed outside the inner box 11 to absorb heat from the inner box 11. 11 is provided on both left and right outer sides of the inner side 11 and includes side cooling parts 61 to absorb heat from both sides of the inner box 11.

In addition, the refrigerator according to the present invention in order for the drawer-type storage container 20 can be installed to move forward and backward in the storage compartment (11a), a pair of first guide rails (70) on both inner sides of the inner box (11) A pair of second guide rails 80 are installed on both sides of the accommodation portions 22 of the drawer-type storage container 20 so as to be movable forward and backward on the first guide rail 70.

In the present exemplary embodiment, the first guide rail 70 is disposed at an upper side as shown in FIG. 4, and is disposed at a lower side of the first upper rail unit 71 having a lower surface thereof concave upward. The second guide rail 80 may be installed between the first upper rail part 71 and the first lower rail part 72, including the first lower rail part 72 that is concave. The guide rail 80 is disposed at an upper side thereof, and is disposed below the second upper rail unit 81 formed at a lower side thereof so as to face the first upper rail unit 71 and is formed at a lower side thereof. It includes a second lower rail portion 82 formed to be concave upward, the bottom surface thereof. In addition, although not clearly shown in the drawings, between the first upper rail portion 71 and the second upper rail portion 81, and between the first lower rail portion 72 and the second lower rail portion 82, respectively. The ball bearing is interposed so that the second guide rail 80 can easily move back and forth along the first guide rail 70.

In addition, when the moisture evaporated from the storage or the moisture contained in the air introduced from between the first guide rail 70 and the second guide rail 80 configured as described above freezes, the drawer type storage container 20 Only when a large force is applied to the drawer-type storage container 20 can be withdrawn from the storage compartment (11a) is inconvenient to use.

Accordingly, in the refrigerator according to the present invention, the side cooling part 61 of the evaporator 60 may include the first guide rail (1) so as to reduce freezing that may occur between the first guide rail 70 and the second guide rail 80. 70) and the second guide rail 80 to be disposed at a relatively low position.

This is to allow the first guide rail 70 and the second guide rail 80 to be relatively less affected by the cold air generated in the storage compartment 11a by the side cooling part 61 of the evaporator 60. Since the cold air has a relatively high density and sinks to the lower side, when the side cooling part 61 is positioned relatively lower than the first guide rail 70 and the second guide rail 80 as in the present invention, the side surface Since the cool air generated in the storage compartment 11a by the cooling unit 61 mainly affects the side space or the lower space of the side cooling unit 61, the first guide rail 70 located above the side cooling unit 61. And the second guide rail 80 has only a relatively small influence. Therefore, freezing of the first guide rail 70 and the second guide rail 80 can be reduced.

In addition, in the refrigerator according to the present invention, the first guide rails 70 and the second guide rails 70 and the second guide rails 80 are formed on the outer surface of the inner box 11 so that the first guide rails 70 and the second guide rails 80 can prevent freezing more efficiently. A rail heater 90 disposed at a height corresponding to the guide rail 80 to generate heat is provided.

In the present exemplary embodiment, the rail heater 90 includes an upper heating part 91, a first guide rail 70, and a second guide rail which heat the upper portions of the first guide rail 70 and the second guide rail 80. It consists of two rows including a lower heating unit 92 for heating the lower portion of the 80.

This makes it easy to freeze between the first upper rail portion 71 and the second upper rail portion 81 and the first lower rail portion 72 and the second lower rail portion 82 which are in contact with each other. In order to efficiently reduce freezing by heating between them, the upper heating part 91 is disposed to have a corresponding height between the first upper rail part 71 and the second upper rail part 81. The first upper rail part 71 and the second upper rail part 81 are heated, and the lower heating part 92 corresponds between the first lower rail part 72 and the second lower rail part 82. It is arrange | positioned so that it may have height, and the 1st lower rail part 72 and the 2nd lower rail part 82 are heated.

In addition, since the drawer-type storage container 20 is continuously affected by gravity due to its own load and the load of the storage contained in the receiving portion 22, the second lower rail portion 82 of the second guide rail 80 ) Maintains the state of being in close contact with the upper surface of the first lower rail portion 72 of the first guide rail (70). Therefore, a state in which the state between the first lower rail portion 72 and the second lower rail portion 82 tends to freeze relatively is relatively higher than that between the first upper rail portion 71 and the second upper rail portion 81. do.

Therefore, the rail heater 90 according to the present invention is configured to provide a more concentrated heating between the first lower rail portion 72 and the second lower rail portion 82, which are relatively easy to freeze. A middle portion is bent downward so as to be disposed adjacent to the lower heating portion 92 to form the auxiliary lower heating portion 93.

Therefore, the central portion of the first lower rail portion 72 and the second lower rail portion 82 is not only the lower heating portion 92 of the rail heater 90 but also the auxiliary lower heating portion provided in the middle of the upper heating portion 91. Since it is heated by 93, freezing can be prevented more efficiently.

As described in detail above, in the refrigerator according to the present invention, since the first guide rail and the second guide rail are disposed at a relatively high position relative to the side cooling part of the evaporator, the first guide rail and the second guide rail There is a relatively small effect of the cold air generated in the cooling unit is reduced the freezing and thus there is an effect that can be easily withdrawn drawer storage container from the storage compartment.

Claims (5)

A housing forming an exterior, an inner box disposed in the housing and opened to the front to open the storage, and a drawer-type storage container installed in the storage room so as to move forward and backward, and containing the storage; A pair of first guide rails and a pair of second guide rails disposed to correspond to each other on both sides of the inner side and both sides of the drawer-type storage container so that the drawer-type storage container is installed in the storage chamber so as to be movable forward and backward; A refrigerator comprising an evaporator disposed to be in contact with and absorbing heat from the inner phase, And the evaporator includes a pair of side cooling parts disposed at both sides of the inner phase and disposed at relatively lower positions than the first guide rail and the second guide rail. The method of claim 1, And a rail heater is further provided at a position corresponding to the guide rail of the inner box to reduce freezing of the first guide rail and the second guide rail. The method of claim 2, The rail heater may include an upper heating part for heating the upper part of the first guide rail and an upper part of the second guide rail, and a lower heating part for heating the lower part of the first guide rail and the lower part of the second guide rail. Refrigerator. The method of claim 3, wherein The middle of the upper heating unit is a refrigerator characterized in that it comprises a secondary lower heating unit which is bent downward so as to be adjacent to the lower heating portion to heat the lower portion of the first guide rail and the second guide rail. The method of claim 3, wherein The first guide rail is disposed on an upper side and includes a first upper rail portion formed on a lower surface thereof and concave upward, and a first lower rail portion disposed on a lower side and concave downward. The second guide rail is disposed on an upper side thereof, and has a second upper rail portion formed to be concave downward so as to face the first upper rail portion, and a lower surface thereof disposed to be opposite to the first lower rail portion. It includes a second lower rail portion formed concave upwards, And the upper heating part heats between the first upper rail part and the second upper rail part, and the lower heating part heats between the first lower rail part and the second lower rail part.

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