KR20130035261A - Refrigerator having multi-door - Google Patents

Abstract

PURPOSE: A multi-door refrigerator is provided to prevent a cold air leakage through a gap between doors when doors are closed. CONSTITUTION: A multi-door refrigerator includes a body with a storage compartment and doors opening or closing the storage compartment. The door includes; an upper independent door(510) which is hinge-joined in the upper part of the body; a lower independent door(520) which is hinge-joined to the lower part of the body; and a middle door(530) which is installed between the upper and lower independent doors. The upper independent door includes a body and an extended unit extended from the lower part of the body. The lower independent door includes a body and an extended unit extended from the upper part of the body. The middle door includes a body, an upper extended unit extended from the upper part of the middle door body, and a lower extended unit extended from the lower part of the middle door body.

Description

Tea door refrigerator {Refrigerator having multi-door}

The present invention relates to a refrigerator having a plurality of doors, and more particularly to a refrigerator having two or more doors in one storage compartment.

In general, a refrigerator is formed by partitioning a freezer compartment and a refrigerating compartment, and one door is provided for each storage compartment. In the case of the showcase, which is a kind of refrigerator and the door is made to see the inside including transparent glass, one door is installed in each storage compartment.

In such a refrigerator or a showcase, the refrigerating compartment is divided into a plurality of shelves and configured to store many refrigerated foods of various types. Hereinafter, in the present specification, the refrigerator is used to include not only a refrigerator having a typical meaning of not seeing the inside of the storage compartment when the door is closed but also a showcase that can see the interior of the storage compartment with the door closed.

However, since only one door is installed in the storage compartment (especially the refrigerating compartment), the door must be opened even if one of the shelves wants to take out food stored on a particular shelf or store food on a specific shelf. In this case, since the entire storage compartment is opened, unnecessary cold air loss is caused, resulting in a large loss of electrical energy.

The present invention has been made in view of the problems of the conventional refrigerator or showcase, and a plurality of doors are installed in a storage room such as a refrigerator, but at least one door may be independently opened or may be opened together with other doors. By doing so, it is an object of the present invention to provide a refrigerator capable of reducing the loss of cold air due to the opening of the door, and thus reducing the loss of electrical energy.

Another object of the present invention is to provide a refrigerator capable of preventing the leakage of cold air between the door and the door in a state in which the door is closed to maintain sufficient airtight between the main body and the door as well as between the door and the door.

According to an aspect of the present invention, there is provided a refrigerator having a main body having a storage compartment and a door provided at the main body to open and close the storage compartment, wherein the doors are first doors hinged to the main body and a second door, respectively. The first door includes a body, and a first extension part extending from at least one of an upper end and a lower end of the body, and the second door includes a body and an inner side of the first extension part of the first door. A second extension part extending from at least one of an upper end and a lower end of the body so as to overlap each other, and end portions of the first extension part of the first door and the second extension part of the second door are provided with inclined surfaces facing each other; It features.

A first gasket is provided on an edge portion of the first door and the second door that contacts the main body when the first door and the second door are closed, and an inclined surface of the first extension part of the first door and the A second gasket is provided on at least one of the inclined surfaces of the second extension part of the second door.

A first gasket is provided on an edge portion of the first door and the second door that contacts the main body when the first door and the second door are closed, and an inclined surface of the first extension part of the first door and the A second gasket provided with a magnet is provided on one of the inclined surfaces of the second extension of the second door, and the magnet is provided on the other of the inclined surfaces of the first extension of the first door and the inclined surface of the second extension of the second door. And a corresponding metal plate is installed.

Extension portions extending to overlap each other are provided at ends of the first gasket of the first door and the first gasket of the second door, and protrusions are provided at the ends of the extension portions of the first gasket of the second door. An insertion groove is provided in the first gasket of the first door, and the protrusion is inserted into the insertion groove while the first door and the second door are closed.

A first gasket including a magnet is provided at an edge portion of the first door and the second door that contacts the main body when the first door and the second door are closed, and a first gasket of the first door is provided. The polarity of the magnet at the end of the polarity of the magnet of the end of the first gasket of the second door is characterized in that the reverse.

In addition, the present invention for achieving the above object, in the refrigerator having a main body having a storage compartment and a plurality of doors provided in the main body to open and close the storage compartment,

The door is hinged to the main body and includes a first door that is opened and closed independently as well as opened and closed with other doors, and a second door that is hinged to the main body and opened and closed with the first door. The door includes a body, an upper first extension part extending from an upper end of the first body and having an inclined surface at an upper end, and a lower first extension part extending from a lower end of the first body and having an inclined surface at a lower end thereof, wherein the second The door includes an upper door and a lower door, and the upper door includes a body and an upper door extension part which extends from the lower end of the body so as to overlap the inner side of the first extension part of the first door and has an inclined surface at the lower end thereof. The lower door extends from an upper end of the body so as to overlap the inner side of the lower first extension part of the first door and a lower door extension part having an inclined surface at an upper end thereof. Characterized in that it comprises a.

A first gasket is provided on an edge portion of the first door, the upper door, and the lower door that is in contact with the main body when the first door, the upper door, and the lower door are closed, and an inclined surface of the upper first extension part of the first door. And at least one of the inclined surfaces of the upper door extension and at least one of the lower first extension of the first door and the inclined surfaces of the lower door extension, respectively.

Extension portions extending to overlap each other are provided at ends of the first gasket of the first door, the upper door, and the lower door, and protrusions are provided at the ends of the extension portions of the first gasket of the upper door and the lower door, and the first Insertion grooves are provided at upper and lower ends of the first gasket of the door, and the protrusions are inserted into the insertion grooves while the first door, the upper door, and the lower door are closed.

In another aspect, the present invention provides a refrigerator having a main body having a storage compartment and a door provided on the main body to open and close the storage compartment, the door having an upper independent door hinged to an upper side of the main body, A lower independent door hinged to the lower side of the body, and an intermediate door installed between the upper independent door and the lower independent door, wherein the upper independent door includes a body and an extension part extending from the lower end of the body, The lower independent door includes a body and an extension part extending from an upper end of the body, and the middle door is an upper extension part extending from an upper end of the intermediate door body so as to overlap the inner side of the extension part of the upper independent door. And a lower extension part extending from a lower end of the middle door body so as to overlap with an extension part of the lower independent door. It characterized in that it comprises.

A first gasket is provided at the edges of the upper independent door, the middle door, and the lower independent door that are in contact with the main body when the upper independent door, the middle door, and the lower independent door are closed, respectively, and an extension part of the upper independent door and the An inclined surface is provided at each of the extension part of the lower independent door and the upper extension part and the lower extension part of the middle door, respectively, and at least one of the inclination surface of the extension part of the upper independent door and the inclination surface of the upper extension part of the middle door and the lower independent door. At least one of the inclined surface of the extension of the and the inclined surface of the lower extension of the intermediate door is characterized in that the second gasket is provided.

A first gasket is provided at an edge of the upper independent door, the middle door, and the lower independent door in contact with the main body when the upper independent door, the middle door, and the lower independent door are closed, and the upper independent door, the middle door, and the lower side are respectively provided. Extension portions extending to overlap each other are provided at ends of the first gasket of the independent door, and protrusions are provided at the upper end and the lower end of the extension part of the first gasket of the middle door, respectively, and the lower end of the first gasket of the upper independent door is provided. Insertion grooves are provided at upper ends of the first gasket of the lower independent door, and the protrusion is inserted into the insertion groove in a state where the upper independent door, the middle door, and the lower independent door are closed.

According to the door refrigerator according to the present invention, a plurality of doors are installed in a storage compartment such as a refrigerator compartment, and the at least one door may be independently opened or may be opened together with other doors. It can reduce the loss of cold air, which in turn can reduce the loss of electrical energy.

In addition, according to the present invention, the refrigerator can provide a refrigerator which can sufficiently prevent air leakage between the door and the door in a state where the door is closed by sufficiently keeping airtight between the main body and the door as well as between the door and the door. have.

1 is a perspective view of a tea ceremony refrigerator according to the present invention.
Figure 2 is a side sectional view of a first embodiment of a tea ceremony refrigerator according to the present invention.
3 is a view showing the arrangement of the gasket of the first embodiment shown in FIG.
4 is a diagram illustrating a modified example of FIG. 3.
5 is a detailed view of the main part of FIG.
FIG. 6 is a diagram illustrating a modified example of FIG. 5.
Figure 7 is a perspective view for showing the separation and engagement of the gasket portion shown in 6.
8 is a side cross-sectional view of a second embodiment of a multi-door refrigerator according to the present invention.
9 is a detailed view of the main part of FIG.
10 is a diagram illustrating a modification of FIG. 9.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

First, the refrigerator (showcase) of the first embodiment will be described.

Referring to FIG. 1, the refrigerator according to the first embodiment includes a main body 100 having a storage compartment 101 and a door 200 installed to open and close the storage compartment 101 in the main body 100 to open and close the storage compartment 101. It is provided. The hinge 300 is installed between the main body 100 and the door 200. A handle 201 is installed in the door 200, and a plurality of shelves 102 are installed in the storage room 101. The door 200 may be independently opened and closed, and may include a first door 210 installed to open and close together with another door, and second doors 220 and 230 opened and closed together with the first door 210. do.

Referring to FIG. 2, the first door 210 extends from the bottom of the body 211, an upper first extension part 212a extending from the top of the body 211, and the bottom of the body 211. A lower first extension portion 212b is provided.

The second doors 220 and 230 are in the closed state, and the upper door 220 overlapping the upper first extension part 212a of the first door 210 and the lower first of the first door 210. The lower door 230 overlaps the extension part 212b. The upper door 220 extends from the lower end of the upper door body 221 so as to overlap the inner side of the upper door body 221 and the upper first extension portion 212a of the first door 210. The lower door body 230 includes a door extension part 222, and the lower door body 230 overlaps the lower door body 231 and the inner side of the lower first extension part 212b of the first door 210. And a lower door extension 232 extending from an upper end of the 231.

Accordingly, the first door 210 may be independently opened. When the upper door 220 is opened, the first door 210 is opened together with the upper door 220, and when the lower door 230 is opened. The first door 210 is opened together with the lower door 230. Accordingly, when the food stored in the shelf 102 of the middle of the storage compartment 101 is to be taken out or when the food is to be stored, only the first door 210 may be opened, and the shelf 102 of the upper portion of the storage compartment 101 may be opened. If you want to take out the food stored in the or if you want to store the food is to open the first door 210 together with the upper door 220, likewise stored on the shelf 102 of the lower side of the storage compartment 101 If you want to take out the food or if you want to keep the food, you need to open the first door 210 together with the lower door 230 can significantly reduce the loss of cold air due to the opening and closing of the door, thereby reducing the power consumption Can be significantly reduced.

In the present embodiment, the second door has an upper door and a lower door, but it can be configured to include only one of the upper door and the lower door. In this case, the extension portion of the first door is formed only on either the top or the bottom of the body.

5, 6, and 7, the inclined surface 80 is disposed at the upper end of the upper first extension part 212a of the first door 210 and the lower end of the extension part 222 of the upper door 220, respectively. ) Is provided, and inclined surfaces 80 are also provided at the lower end of the lower first extension part 212b of the first door 210 and the upper end of the extension part 232 of the lower door 230, respectively.

3 and 5, the first door 210, which is in contact with the main body 100 in a state where the first door 210, the upper door 220, and the lower door 230 are closed ( 210, first gaskets 30, 30a and 30b having magnets are provided at edges of the upper door 220 and the lower door 230, respectively. Therefore, the first door 210 is provided with a straight first gasket 30 on both edges, and the upper door 220 is provided with a first gasket 30a on both edges and the upper edge. Preferably, the first gasket 30a of the upper door 220 is integrally formed with the whole. Similarly, the lower door 230 may be provided with a first gasket 30b on both edges and an upper edge, and the entire first gasket 30b of the lower door 230 may be integrally formed. In addition, the second gasket 60 is provided on the inclined surface 80 of the upper first extension part 212a of the first door 210 and the inclined surface 80 of the lower first extension part 212b. Of course, the second gasket 60 may be provided on the inclined surface 80 of the extension part 222 of the upper door 220 and the inclined surface 80 of the extension part 232 of the lower door 230.

4, 6 and 7 show another example of the first gasket 30. Referring to these drawings, an extension part 31 is provided at an upper end and a lower end of the first gasket 30 of the first door 210, respectively, and a lower end of the first gasket 30a of the upper door 220 is provided. An extension part 31a overlapping the extension part 31 formed on the upper end of the first gasket 30 of the first door 210 is provided, and the first gasket 30b of the lower door 230 is provided. An extension part 31b overlapping an extension part 31 formed at a lower end of the first gasket 30 of the first door 210 is provided at an upper end thereof. A protruding portion 32a is provided at an extension portion 31a of the first gasket 30a of the upper door 220, and the protruding portion 32a is provided at an upper end of the first gasket 30 of the first door 210. An insertion groove 33 to be inserted is provided (see detail of FIG. 6). Similarly, the protruding portion 32b is provided in the extension portion 31b of the first gasket 30b of the lower door 230, and the lower end portion of the first gasket 30 of the first door 210 is provided. An insertion groove 33 into which the protrusion 32b is inserted is provided (see FIG. 7). The protrusions 32a and 32b and the insertion groove 33 are for preventing leakage of cold air between the first door 210, the upper door 220, and the lower door 230, and the first gasket 30. Is a rubber material with magnets embedded therein, so that the protrusions 32a and 32b are extended and tightly adhered to the insertion grooves 33 when the doors are closed and the protrusions 32a and 32b are inserted into the insertion grooves 33. Can be maintained.

6 and 7, the extension part 31 of the first gasket 30 of the first door 210 and the first gasket 30a of the upper door 220 and the lower door 230 are shown. Extension portions 31a and 31b of 30b each have a vertical surface 34 and an inclined surface 35. When the door 200 is opened and closed, the extension part 31 of the first gasket 30 of the first door 210, the upper door 220, and the lower door 230 are guided by the inclined surface 35. Extension portions 31a and 31b of the first gasket 30 may be smoothly joined to each other and separated from each other. In addition, since the magnet is embedded in the first gasket 30 and the upper door 220 of the first door 210 and the first gaskets 30a and 30b of the lower door, the first door 210 and the upper door 220. And the lower door 230 is in close contact with the metal part of the refrigerator main body 100 by magnetic force to maintain the airtightness between the refrigerator main body 100 and the door 200. In particular, the extension portion 31a of the first gasket 30 of the first door 210 and the extension portions 31a of the first gaskets 30a and 30b of the upper door 220 and the lower door 230 ( Even though 31b) are separated from each other, they are superimposed and can be kept in close contact under the influence of magnetic force. That is, in the state where the extension parts 31a and 31b of the first gaskets 30a and 30b of the upper door 220 and the lower door 230 are in close contact with the refrigerator main body 100 by magnetic force, the first door ( The extension part 31 of the first gasket 30 of 210 overlaps the extension parts 31a and 31b of the first gaskets 30a and 30b of the upper door 220 and the lower door 230. Close enough to keep the air tight enough.

In addition, as can be clearly seen in Figure 7, the extension portion 31b of the first gasket 30b of the lower door 230 is provided with a protrusion 32b, the first gasket of the first door 210 Since the insertion groove 33 into which the protrusion 32b is inserted is provided at the lower end of the 30, the protrusion 32a is extended to the extension 31b of the first gasket 30b of the upper door 220. Is provided, and an insertion groove 33 into which the protrusion 32a is inserted is provided at an upper end of the first gasket 30 of the first door 210. The first door of the upper door 220 and the lower door 230 is provided. Even if the gaskets 30a and 30b and the first gasket 30 of the first door 210 are separated, the airtightness can be sufficiently maintained between them.

Further, the polarities of the magnets of the end of the first gasket 30 of the first door 210 and the magnets of the end of the first gasket 30a of the upper door 220 are arranged opposite to each other, and the When the polarities of the magnets at the end of the first gasket 30 of the first door 210 and the polarities of the magnets at the end of the first gasket 30b of the lower door 230 are arranged opposite to each other, the first door 210 is arranged. Since the attraction force acts between the first gasket 30 of the first gasket 30 and the first gaskets 30a and 30b of the lower door 230, the first gasket 30 and the lower door 230 Even if one gasket 30a, 30b and the first gasket 30 of the first door 210 are separated, the airtightness can be maintained more sufficiently between them.

Meanwhile, as described above, the inclined surface 80 is provided at the upper end of the upper first extension part 212a of the first door 210 and the lower end of the extension part 222 of the upper door 220, respectively, An inclined surface 80 is also provided at the lower end of the lower first extension part 212b of the door 210 and the upper end of the extension part 232 of the lower door 230, respectively. In addition, the inclined surface 80 formed on the upper end of the upper first extension part 212a of the first door 210 and the inclined surface 80 formed on the lower end of the lower first extension part 212b of the first door 210 are formed on the inclined surface 80. Two gaskets 60 are installed. Of course, the second gasket 60 may be provided on the inclined surface 80 of the extension part 222 of the upper door 220 and the inclined surface 80 of the extension part 232 of the lower door 230. Therefore, even if the first door 210, the upper door 220, and the lower door 230 are configured separately, the first gasket 30 (30a) 30b and the second gasket 60 between these doors. Outflow of cold air can be sufficiently prevented, and a magnet is provided inside the second gasket 60, and a metal plate 90 is installed at a corresponding portion of the second gasket 60. That is, the first door 210 is provided. The second gasket 60 having a magnet is installed on the inclined surface 80 formed at the lower end of the lower first extension part 212b of the upper first extension part 212a of the upper part of the upper door 220. Since the metal plate 90 is installed at the lower end of the extension part 221 and the upper end of the extension part 232 of the lower door 230, they are more closely contacted by magnetic force, thereby preventing the leakage of cold air.

Next, a second embodiment of the present invention will be described with reference to FIGS. 8, 9, and 10.

The refrigerator of the second embodiment includes a main body 100 having a storage compartment 101 and a door 500 installed in the main body 100 to open and close the storage compartment 101 to open and close the storage compartment 101. A hinge (not shown) is installed between the main body 100 and the door 500. A handle 201 is installed in the door 500, and a plurality of shelves 102 are installed in the storage room 101.

In the second embodiment, the door 500 includes an upper independent door 510 hinged to an upper side of the main body 100, a lower independent door 520 hinged to a lower side of the main body 100, and the upper side An intermediate door 530 is installed between the independent door 510 and the lower independent door 520.

The upper independent door 510 includes a body 511 and an extension 512 extending from a lower end of the body 511, and the lower independent door 520 includes a body 521 and the body ( An extension 522 extending from the top of 521.

The middle door 530 and the body 531, the upper extension portion 532 extending from the upper end of the intermediate door body 531 to overlap the inside of the extension portion 512 of the upper independent door 510 and It includes a lower extension portion 533 extending from the lower end of the middle door body 531 to overlap the inner side of the extension portion 521 of the lower independent door 520. Accordingly, the upper independent door 510 is opened and closed independently, and when the middle door 530 is opened, the upper independent door 510 is opened together with the middle door 530, and the lower independent door 520 is opened and closed independently as well as the middle door 530. Is opened together with the middle door 530.

In addition, the extension part 512 of the upper independent door 510, the extension part 522 of the lower independent door 520, and the upper extension part 532 and the lower extension part 533 of the middle door 530. An inclined surface 80 is provided, and the inclined surface 80 is opposite to the inclined surface 80 in the first embodiment.

9, the upper independent door 510, the middle door 530, the lower independent door 520 is in contact with the main body 100 in a closed state, the upper independent door 510, the middle door 530, the lower side First gaskets 30 having magnets are provided at edges of the independent doors 520, respectively. In addition, a second gasket 60 is installed on the inclined surface 80 of the extension part 512 of the upper independent door 510, and the inclined surface 80 of the upper extension part 532 of the intermediate door 530 opposite thereto. ), A metal plate 90 is installed. Similarly, a second gasket 60 is installed on the inclined surface 80 of the extension 522 of the lower independent door 520, and is provided on the inclined surface 80 of the lower extension 533 of the intermediate door 530. The metal plate 90 is installed. As a result, the effects are the same as in the first embodiment, and thus a detailed description thereof will be omitted.

Referring to FIG. 10, which illustrates a modification of FIG. 9, protrusions 32 are provided at upper and lower ends of the extension part 31 of the first gasket 30 of the intermediate door 530, respectively, and the upper independent door ( Insertion grooves 33 are provided at the lower end of the first gasket 30 of the 510 and the upper end of the first gasket 30 of the lower independent door 520, respectively, the upper independent door 510 and the middle door 530. The protrusion 32 is inserted into the insertion groove 33 while the lower independent door 520 is closed. As a result, the effects are the same as in the first embodiment, and thus a detailed description thereof will be omitted.

210: first door 220: upper door
230: lower doors 30, 30a, 30b, 30c, 30d: first gasket
32a, 32b, 32d: protrusion 33, 32c: insertion groove
60: second gasket 80: inclined surface
90: metal plate

Claims (3)

A refrigerator having a main body having a storage compartment and a door provided in the main body to open and close the storage compartment,
The door includes an upper independent door hinged to an upper side of the main body, a lower independent door hinged to a lower side of the main body, and an intermediate door installed between the upper independent door and a lower independent door,
The upper independent door includes a body and an extension part extending from the bottom of the body,
The lower independent door includes a body and an extension part extending from an upper end of the body,
The middle door extends from the lower end of the middle door body so as to overlap the inner side of the extension portion of the upper side and the lower independent door extending from the top of the middle door body so as to overlap the inner side of the extension portion of the upper independent door. The door refrigerator characterized in that it comprises a lower extension.
The method of claim 1,
First gaskets are respectively provided at the edges of the upper independent door, the middle door, and the lower independent door in contact with the main body when the upper independent door, the middle door, and the lower independent door are closed.
Inclined surfaces are provided on the extension part of the upper independent door, the extension part of the lower independent door, and the upper extension part and the lower extension part of the middle door, respectively.
A second gasket is provided on at least one of the inclined surface of the extension part of the upper independent door and the inclined surface of the upper extension part of the middle door and the inclined surface of the extension part of the lower independent door and the inclined surface of the lower extension part of the middle door. Featured door refrigerator.
The method of claim 1,
First gaskets are respectively provided at the edges of the upper independent door, the middle door, and the lower independent door in contact with the main body when the upper independent door, the middle door, and the lower independent door are closed.
Extension portions extending to overlap each other are provided at ends of the first gasket of the upper independent door, the middle door, and the lower independent door,
Protrusions are provided at the upper end and the lower end of the extension part of the first gasket of the middle door, respectively, and an insertion groove is provided at the lower end of the first gasket of the upper independent door and the upper end of the first gasket of the lower independent door, respectively, The multi-door refrigerator, characterized in that the protrusion is inserted into the insertion groove in the state in which the independent door, the middle door, the lower independent door is closed.

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