KR20220057404A - Refrigerator - Google Patents

Abstract

In accordance with the present disclosure, a withdrawable door of a refrigerator can be made to be easily opened and closed. The refrigerator includes: a refrigerator body having a storage chamber with an opening part; a withdrawable door opening and closing the opening part; a storage container provided to be connected with the withdrawable door; a first rail mechanism placed between the withdrawable door and the refrigerator body to support the withdrawable door to allow the withdrawable door to slide in an opening/closing direction of the withdrawable door; and a second rail mechanism placed between the storage container and the refrigerator body to support the storage container to allow the storage container to slide in the opening/closing direction of the withdrawable door.

Description

Refrigerator {REFRIGERATOR}

The present disclosure relates to a refrigerator.

A conventional refrigerator with a pull-out door, comprising a refrigerator body having a storage compartment having an opening, a pull-out door opening and closing the opening, a storage container moving together with the pull-out door, and being provided between the refrigerator body and the storage container and withdrawn It is known that a rail mechanism for sliding and opening and closing a type door is provided (for example, Patent Document 1).

[Patent Document 1] US 2015-0022067 Publication

In the refrigerator described above, since the entire load of the pull-out door, the storage container, and the contents is applied to one rail mechanism, the force required to open and close the pull-out door increases, and the user may feel the opening/closing operation heavy.

The present disclosure has been made in order to solve the above problems, and a main problem is to lighten the opening/closing operation of a refrigerator having a pull-out door. That is, according to the present disclosure, the opening and closing operation of the pull-out door of the refrigerator may be smoothly performed.

A refrigerator according to an aspect of the present invention includes a refrigerator body having a storage compartment having an opening, a pull-out door opening and closing the opening, a storage container moving together with the pull-out door, and a space between the pull-out door and the refrigerator body a first rail mechanism provided interposed between and sliding the pull-out door to slide in the opening/closing direction; It is characterized in that it comprises a second rail mechanism for sliding along.

In this configuration, by separately providing a rail mechanism for supporting and sliding the pull-out door and a rail mechanism for supporting and sliding the storage container, the load of the pull-out door and the load of the storage container and the stored object are distributed to the plurality of rail mechanisms. can be dispersed. Therefore, it is possible to reduce the deformation of each rail mechanism caused by a load applied when the pull-out door is opened, and the friction coefficient of each rail mechanism can be made smaller than the coefficient of friction when the entire load is supported by one rail mechanism. . As a result, the friction force received from the rail mechanism when opening and closing the pull-out door can be reduced, and the opening and closing operation of the pull-out door can be made light.

As a specific configuration of the refrigerator, the storage compartment has a front opening opening to the front side of the refrigerator main body and a rear opening opening opening to the rear side of the refrigerator main body, and the pull-out door is a front opening and closing the front opening A so-called bidirectional, comprising: a door and a rear door for opening and closing the rear opening; Take-out can be given as an example.

In this case, in a two-way pull-out refrigerator having a front-side pull-out door and a rear-side pull-out door, the load of the front door and the rear door, and the load of the storage container and the stored object are distributed on separate rail mechanisms to provide The opening and closing operation can be made lightly.

As a specific form of the two-way pull-out refrigerator, for example, the second rail mechanism is configured to allow the storage container to slide in both directions from a predetermined storage position in the refrigerator body to the front side and the rear side. there is.

In addition, as a specific form of the two-way pull-out refrigerator, the first rail mechanism includes a rail mechanism for a front door that supports the front door and slides in the opening/closing direction; The provision of a rail mechanism for a rear door is given as an example.

In this case, by separately providing a rail mechanism for supporting and sliding the front door and a rail mechanism for supporting and sliding the rear door, the load on the front door and the load on the rear door are distributed among a plurality of rail mechanisms to make the opening and closing operation light. can

As a specific form of the refrigerator, the refrigerator further includes a storage container support interposed between the storage container and the second rail mechanism to support the storage container and slide in the opening/closing direction, wherein the front door and the rear door are As an example, the storage container support and the storage container are drawn out through the connection part on the corresponding side when one side of the front door and the rear door is withdrawn, each having a connection part for detachably connecting the storage container support. can

In the refrigerator, when both sides of the front door and the rear door are in the closed positions, the connection portions on both sides of the front door and the rear door are connected to the storage container support, and when one side of the front door and the rear door is withdrawn , it is preferable that the connection part of the other side of the front door and the rear door is configured to be separated from the storage container support.

In this case, since the connecting portions of each door are provided to be connected to the storage container support in a state in which the front door and the rear door are closed, it is possible to prevent the storage container from remaining in the storage compartment when each door is pulled out.

In order to prevent the door on the opposite side from being opened while one side of the front door and the rear door is withdrawn, the refrigerator slides the other side of the front door and the rear door when one side of the front door and the rear door is withdrawn. It may be provided with a locking mechanism to restrict movement.

Gaskets may be respectively provided between the front door and the refrigerator body and between the rear door and the refrigerator body in order to suppress leakage of cold air due to opening and closing of the pull-out door and to suppress temperature fluctuations in the storage compartment.

In order to prevent the connection part from being separated from the storage container support when the pull-out door is pulled out, the refrigerator may further include an adsorption mechanism for adsorbing the storage container support to the pull-out door.

The refrigerator may further include a sub storage container provided above the storage container in the storage compartment, and in a state in which the storage container is withdrawn, the sub storage container may slide along the opening/closing direction independently of the storage container. It is preferable that it is configured so that

In such a case, storage properties can be improved by providing a plurality of storage containers. In addition, since the sub storage container can slide independently of the storage container, for example, while the front door is pulled out to take out the storage container, the rear door can be pulled out to take out the storage container.

According to the spirit of the present invention, in a refrigerator having a pull-out door, the opening and closing operation thereof can be made light.

1 is a perspective view schematically illustrating a configuration of a refrigerator according to the present embodiment.
2 is a cross-sectional view schematically illustrating a state in which each pull-out door of the refrigerator according to the present embodiment is closed.
3 is a cross-sectional view schematically illustrating a state in which the front door of the refrigerator according to the present embodiment is opened.
4 is a cross-sectional view schematically illustrating a state in which the rear door of the refrigerator according to the present embodiment is opened.
5 is a view for explaining the configuration of a connection part of the refrigerator according to the present embodiment, and is an enlarged view of part C of FIG. 3 .
6 is a view for explaining an operation of a connection part of the refrigerator according to the present embodiment, and is an enlarged view of part A of FIG. 2 .
7 is a view for explaining an operation of a connection part of the refrigerator according to the present embodiment, and is an enlarged view of part A of FIG. 2 .
8 is a view for explaining the configuration and operation of the locking mechanism of the refrigerator according to the present embodiment, and is an enlarged view of part B of FIG. 2 .
9 is a cross-sectional view schematically illustrating a configuration of a refrigerator according to another exemplary embodiment.
10 is a cross-sectional view schematically illustrating a configuration of a refrigerator according to another exemplary embodiment.

Hereinafter, a refrigerator 100 according to an embodiment of the present invention will be described with reference to the drawings.

As shown in FIGS. 1 to 4 , the refrigerator 100 of this embodiment includes a refrigerator body 1 having a storage compartment 12 having an opening 11 and a pull-out door 2 opening and closing the opening 11 . ) and a storage container 3 provided to move together with the pull-out door 2 may be included. The storage container 3 may be interlocked with the pull-out door 2 to be opened and closed according to movement. In addition, the refrigerator 100 may further include a slide opening/closing mechanism for supporting the pull-out door 2 and the storage container 3 and sliding it along the opening/closing direction.

As shown in FIGS. 1 to 4 , the refrigerator 100 of this embodiment is a so-called two-way pull-out type in which the storage container 3 can be pulled out from both the front side and the rear side thereof. The storage compartment 12 includes a front opening 11F opened to the front side and a rear opening 11R opened to the rear side, and the pull-out door 2 has a front opening 11F and a rear opening 11R. ) may include a front door (2F) that opens and closes, respectively, and a rear door (2R). In the refrigerator 100, when the front door 2F is pulled out, the storage container 3 is pulled out from the front side, and when the rear door 2R is pulled out, the storage container 3 is drawn out to the back side.

In addition, in the refrigerator 100 of this embodiment, as shown in FIGS. 2 to 4 , the slide opening/closing mechanism includes a plurality of rail mechanisms, so that the pull-out doors 2F and 2R and the storage container 3 are separated. It is comprised so that a load can be distributed among several rail mechanisms. Specifically, the slide opening/closing mechanism includes a first rail mechanism 51 that mainly supports the pull-out doors 2F and 2R and slides along the opening/closing direction, and a first rail mechanism 51 that mainly supports the storage container 3 and slides along the opening/closing direction. It may include a two rail mechanism 52 .

The first rail mechanism 51 is provided interposed between the pull-out doors 2F and 2R and the refrigerator main body 1, and the pull-out doors 2F and 2R along the opening/closing direction of the pull-out doors 2F and 2R. ) to slide. The first rail mechanism 51 is provided in the shape of a long rod, and slides along the first fixed rail 511 fixed to the side surface 121 of the storage compartment 12 along the opening/closing direction, and the first fixed rail 511 . and a first slide frame 512 that does. The opening direction side end of the first slide frame 512 is fixedly installed on the surface 21 (hereinafter also referred to as the inner surface) of the pull-out doors 2F and 2R facing the storage compartment 12 . The first rail mechanism 51 of the present embodiment is a so-called two-stage rail type having one slide frame, but is not limited thereto, and may be a three-stage rail type or more.

Here, in the refrigerator 100 of the present embodiment, the front door 2F and the rear door 2R are supported by a separate rail mechanism to slide them. Specifically, the first rail mechanism 51 supports the front door 2F and slides to the front side along the opening/closing direction, and the first rail mechanism 51F supports the rear door 2R and slides toward the rear side according to the opening/closing direction. It may include a rail mechanism 51R for sliding the rear door. The rail mechanism 51F for the front door and the rail mechanism 51R for the rear door are provided so that sliding directions are parallel to each other. Specifically, each of the first fixing rails 511 is vertically fixed to the side surface 121 of the storage compartment 12 in parallel to each other.

The second rail mechanism 52 is provided interposed between the storage container 3 and the refrigerator main body 1, and slides the storage container 3 along the opening/closing direction. The second rail mechanism 52 of this embodiment moves the storage container 3 from a predetermined storage position within the refrigerator body 1 (a position where each pull-out door 2F and 2R is completely closed) in both front and rear directions. It is designed to slide.

Specifically, the second rail mechanism 52 is provided in the shape of a long rod, and supports the second fixing rail 521 fixed to the side surface 121 of the storage compartment 12 along the opening/closing direction and the storage container 3 . and a second slide frame (not shown) sliding along the second fixing rail 521 at the same time. The 2nd rail mechanism 52 is provided so that the sliding direction may be parallel to the sliding direction of the 1st rail mechanism 51. As shown in FIG. Specifically, the second fixing rail 521 is fixed to the side surface 121 of the storage compartment 12 in parallel to the first fixing rail 511 . Here, the second fixing rail 521 is provided at a lower position than the first fixing rail 511 .

Here, the refrigerator 100 of the present embodiment may further include a storage container support 4 interposed between the storage container 3 and the second rail mechanism 52 and supporting the storage container 3 . there is. The storage container support 4 has a box shape in which the upper surface side is opened, and the storage container 3 is mounted on the bottom surface thereof. The second slide frame is fixedly installed on the side surface of the storage container support 4 opposite to the side surface 121 of the storage chamber 12, and the storage container support 4 accommodates the storage container 3 inside. It is configured to slide according to the opening/closing direction while doing so.

In addition, the refrigerator 100 of this embodiment includes the front door 2F and the rear door 2R with the storage container support 4 in order to withdraw the storage container 3 together when the respective pull-out doors 2F and 2R are withdrawn. ) may include a connection portion 23 for connecting to each. As shown in FIG. 5 , specifically, the connection part 23 is provided on the inner surface 21 of each pull-out door 2F and 2R, and is located on the inner surface 41s of the side wall 41 of the storage container support 4 . It may include a hook shape having a hanging surface (231). The hanging surface 231 of this embodiment is formed so as to be caught on the inner surface 41 of the upper end of the side wall 41 of the storage container support (4). Therefore, when the pull-out doors 2F and 2R are withdrawn, the hooking surface 231 of the connection part 23 comes into contact with the inner surface 41s of the side wall 41 of the storage container support 4, and pulls it in the opening direction. do. In this way, the storage container support 4 and the storage container 3 accommodated therein move together with the pull-out doors 2F and 2R in the opening direction. Here, when the pull-out door (2F, 2R) is pushed in, the inner surface 21 of the pull-out door (2F, 2R) comes into contact with the inner surface 41s of the side wall 41 of the storage container support 4 and pushes it out. do. In this way, the storage container support 4 and the storage container 3 accommodated therein move together with the pull-out doors 2F and 2R in the closing direction.

Here, the connection part 23 is configured to be detachably connected to the storage container support 4, so that when one side of the front door 2F and the rear door 2R is pulled out, the connection part of the corresponding one-side pull-out type door 23 is connected to the storage container support 4 , and at the same time, the connecting portion 23 of the other pull-out door is detached from the storage container support 4 .

Specifically, as shown in FIGS. 6 and 7, the connecting portion 23 is hung on the inner surface 41s of the side wall 41 of the storage container support 4, the opposite position P, where the surface 231 is opposed, It is comprised so that the hanging surface 231 may move between the retracted avoidance positions Q from the inner surface 41s of the side wall 41 of the storage container support 4 . When both the front door 2F and the rear door 2R are in the fully closed positions, each connecting portion 23 is positioned at the opposite position P by a spring mechanism (not shown). And, when one side of the front door 2F and the rear door 2R is withdrawn from the completely closed position as shown in FIG. 6 , the other side connection part 23 at the opposite position P is connected to the storage container support body (4). The side wall 41 is pushed up by the inner surface 41s to move to the avoiding position Q, and then moves back to the opposing position P by the spring mechanism. On the other hand, as shown in Figure 7, when one side of the front door (2F) and the rear door (2R) is pushed from the open position to the fully closed position, the other side connection part 23 at the opposite position (P) is a storage container It is pushed up by the outer surface 4o of the side wall 41 of the support body 4 to move to the avoiding position Q, and then moves back to the opposing position P by the spring mechanism.

As described above, when both the front door 2F and the rear door 2R are in the completely closed positions, since all the connecting portions 23 are connected to the storage container support 4, the doors 2F and 2R are connected to each other. It is possible to prevent a situation in which only the door is pulled out because the connection part 23 cannot grab the storage container support 4 when it is withdrawn.

In addition, the connection part 23 is connected to the handle 24 for withdrawing the pull-out doors 2F and 2R provided on the outer surface 22 of the pull-out doors 2F and 2R, so that the handle 24 is operated. By doing so, the movement of the connection part 23 is configured to be limited. Specifically, when the handle 24 is pulled along the opening/closing direction of the pull-out doors 2F and 2R, the connecting portion 23 is configured to be fixed at the opposite position P. Accordingly, when one side of the pull-out doors 2F and 2R is pulled out by holding the handle 24, the corresponding one side connection part 23 and the storage container support 4 do not separate, so that the storage container support 4 can be withdrawn. can

In addition, the slide opening/closing mechanism includes a locking mechanism 6 that restricts the sliding movement of the other side of the front door 2F and the rear door 2R when one side of the front door 2F and the rear door 2R is withdrawn. can do. Specifically, as shown in FIG. 8, the lock mechanism 6 includes a first recess 61 formed in the slide frame 512F of the rail mechanism 51F for the front door, and the rail mechanism 51R for the rear door. A second recess 62 formed in the slide frame 512R, disposed between each slide frame 512F, 512R, and configured to be selectively fitted into the first recess 61 and the second recess 62 A locking member 63 may be included. The locking mechanism 6 also restricts the sliding movement of any of the front door 2F and the rear door 2R according to the positional relationship between the first recess 61, the second recess 62, and the lock member 63. It may be provided to have an unlocked state that is not unlocked and a locked state that restricts the sliding movement of the front door 2F or the rear door 2R.

Specifically, when both the front door 2F and the rear door 2R are in the fully closed positions, the lock mechanism 6 has an unlocked state. In this state, the first concave portion 61 and the second concave portion 62 face each other, and the locking member 63 operates the first concave portion 61 and the second concave portion by the action of a spring member (not shown). It is positioned between the grooves 62 , and is provided so as not to fit into any of the first and second grooves 61 and 62 .

On the other hand, when one of the front door 2F and the rear door 2R is drawn out, the locking mechanism 6 has a locked state. For example, when the rear door 2R is drawn out, the lock member 63 is pushed out by the slide frame 512R of the rail mechanism 51R for the rear door, so that the lock member 63 is formed in the first recess ( 61) is stuck. In this state, the slide frame 512R of the rail mechanism 51F for the front door is restrained by the lock mechanism 6, and the sliding movement of the front door 2F is restricted.

In addition, in the refrigerator 100 of the present embodiment, as shown in FIG. 2 , a gasket 7 is provided between the pull-out doors 2F and 2R and the refrigerator body 1 . A gasket 7 is installed on the inner surface 21 of the pull-out doors 2F and 2R to seal the opening 11 of the storage compartment 12 from all sides. Here, the gasket 7 is provided between the front door 2F and the refrigerator main body 1 and between the rear door 2R and the refrigerator main body 1, respectively.

The refrigerator 100 of this embodiment may also include an adsorption mechanism 8 for adsorbing the storage container support 4 to the pull-out doors 2F and 2R, as shown in FIG. 2 . Specifically, the adsorption mechanism 8 is to magnetically adsorb the storage container support 4, for example, a magnet 81 provided on the inner surface 21 of the pull-out doors 2F and 2R, and the opposite It may include a magnetic plate 82 installed on the side wall 41 of the storage container support (4).

According to the refrigerator 100 of this embodiment configured as described above, the front door rail mechanism 51F for supporting and sliding the front door 2F, and the rear door rail mechanism 51R for supporting and sliding the rear door 2R. And, by separately providing the second rail mechanism 52 for supporting and sliding the storage container 3, the load of each pull-out door 2F, 2R and the load of the storage container 3 and the stored object are transferred to a plurality of rails. It can be dispersed in the mechanisms 51F, 51R, and 52. Accordingly, when the pull-out doors 2F and 2R are opened, deformation (bending) of each rail mechanism 51F, 51R, 52 caused by a load applied can be reduced, and the The coefficient of friction can be made smaller than the coefficient of friction in the case where a single rail mechanism supports the entire load. As a result, the total friction force received by each rail mechanism 51F and 51R 52 when opening and closing each of the pull-out doors 2F and 2R can be reduced, so that the opening and closing operations of the pull-out doors 2F and 2R can be made light.

<Other modified examples>

Here, the present invention is not limited to the above embodiment.

For example, the refrigerator 100 of the above embodiment has a plurality of pull-out doors 2F and 2R, and is a bidirectional pull-out type that can take out the storage container 3 from either the front side or the rear side, but is not limited thereto. . The refrigerator 100 according to another embodiment may have only one pull-out door 2 on the front side to take out the storage container 3 only from the front side.

In addition, in the refrigerator 100 of the above embodiment, when each pull-out door 2F and 2R is completely closed, each connection part 23 is connected to the storage container support 4, but is not limited thereto. In another embodiment, when each pull-out door 2F, 2R is completely closed, each connection part 23 is separated from the storage container support 4, so when one side of the pull-out door 2F, 2R is pulled out, The corresponding one-side connection portion 23 may be connected to the storage container support 4 .

In addition, the connecting portion 23 of the above embodiment is configured to be provided in the to-be-connected portion provided on the inner surface 41s of the upper end of the side wall 41 of the storage container support 4, but is not limited thereto. As shown in FIG. 10 , the connecting part 23 of another embodiment may be connected to the to-be-connected part 41j constituted by a recess formed in the bottom part of the storage container support 4 . In this case, the connection part 23 is interlocked with the movement of the handle 24 , and by manipulating the handle 24 , the movement of the connection part 23 may be limited.

Although the first fixing rail 511 of the first rail mechanism 51 and the second fixing rail 521 of the second rail mechanism 52 of the above embodiment were fixed to the side surface 121 of the storage compartment 12, this not limited The first fixing rail 511 of the first rail mechanism 51 and the second fixing rail 512 of the second rail mechanism 52 of another embodiment may be fixed to the bottom or top surface of the storage compartment 12 . .

For example, the first rail mechanism 51 and the second rail mechanism 52 may be provided between the lower surface of the storage container support 4 and the lower surface of the storage chamber 12 . In this case, the first fixing rail 511 and the second fixing rail 512 may be installed on the bottom surface of the storage compartment 12 . In this way, when the respective pull-out doors 2F and 2R are pulled out, the respective rail mechanisms 51 and 52 are hidden under the storage container support 4 so as not to be seen, so that the external appearance can be made neat.

In addition, as shown in FIG. 9 , the refrigerator 100 according to another embodiment may further include a sub storage container 3s provided above the storage container 3 in the storage compartment 12 . In this case, the refrigerator 100 is provided between the sub storage container 3s and the refrigerator body 1, and supports the sub storage container 3s and slides the sub storage container 3s along the opening/closing direction while supporting the sub rail. A mechanism (not shown) may be provided. The sub rail mechanism (not shown) slides the sub storage container 3s from a predetermined storage position in the refrigerator body 1 (a position in which each pull-out door 2F and 2R is completely closed) in both front and rear directions. can be provided. In addition, the sub-rail mechanism may be provided to slide the sub storage container 3s along the opening/closing direction independently of the storage container 3 .

In addition, it does not matter even if it changes or combination of various embodiments within the range which does not go against the meaning of this invention.

100: refrigerator
1: Refrigerator body
11: opening
12: storage room
2: Pull-out door
3: storage container
51: first rail mechanism
52: second rail mechanism

Claims (11)

a refrigerator body having a storage compartment having an opening;
a pull-out door for opening and closing the opening;
a storage container provided to be interlocked with the pull-out door;
a first rail mechanism disposed between the pull-out door and the refrigerator body to support the pull-out door and to slide the pull-out door in an opening/closing direction of the pull-out door; and
and a second rail mechanism disposed between the storage container and the refrigerator body to support the storage container and to slide the storage container in an opening/closing direction of the pull-out door. According to claim 1,
The storage compartment includes a front opening opening toward the front side of the refrigerator main body and a rear opening opening on the rear side of the refrigerator main body;
The pull-out door includes a front door that opens and closes the front opening, and a rear door that opens and closes the rear opening,
A refrigerator configured to be able to withdraw the storage container from either the front side or the rear side by opening and closing the front door and the rear door, respectively. 3. The method of claim 2,
The second rail mechanism is provided to allow the storage container to slide in both directions of the front side and the rear side at a predetermined storage position in the refrigerator body. 4. The method of claim 2 or 3,
The first rail mechanism
a rail mechanism for a front door that supports the front door and is provided to slide the front door in an opening/closing direction of the front door; and
and a rail mechanism for a rear door that supports the rear door and is provided to slide the rear door in an opening/closing direction of the rear door. 3. The method of claim 2,
A storage container support provided between the storage container and the second rail mechanism, further comprising a storage container support that supports the storage container and slides in the opening/closing direction,
The front door and the rear door each include a connection part detachably connected to the storage container support,
When one of the front door and the rear door is withdrawn, the storage container support and the storage container are drawn out through a connection part of the drawn out door. 6. The method of claim 5,
When both sides of the front door and the rear door are in the closed positions, the connection parts of the both sides of the front door and the rear door are connected to the storage container support,
When one of the front door and the rear door is drawn out, the connection part of the other one of the front door and the rear door is separated from the storage container support. 3. The method of claim 2,
and a locking mechanism for limiting the sliding movement of the other one of the front door and the rear door when one of the front door and the rear door is drawn out. 3. The method of claim 2,
The refrigerator further comprising a gasket provided at at least one of between the front door and the refrigerator body and between the rear door and the refrigerator body. 6. The method of claim 5,
The refrigerator further comprising an adsorption mechanism for adsorbing the storage container support to the pull-out door. 3. The method of claim 2,
Further comprising a sub storage container provided above the storage container in the storage compartment,
In a state in which the storage container is drawn out, the sub storage container is provided to be slidable in the opening/closing direction independently of the storage container. 10. The method of claim 9,
The adsorption mechanism is
a magnet provided on the inner surface of the pull-out door; and
The refrigerator further comprising a; magnetic plate provided on a side wall of the storage container support to face the magnet.

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