JP2022072258A - refrigerator - Google Patents

Abstract

To make the opening/closing operation of a drawer type door of a refrigerator smooth.SOLUTION: A refrigerator is equipped with a refrigerator body that is formed with a storage chamber having an opening portion, a drawer type door that opens/closes the opening portion, a storage container that moves with the drawer type door, a first rail mechanism that is interposed between the drawer type door and the refrigerator body, and supports the drawer type door and slides it in an opening/closing direction, and a second rail mechanism that is interposed between the storage container and the refrigerator body, supports the storage container, and slides it in the opening/closing direction.SELECTED DRAWING: Figure 1

Description

The present invention relates to a refrigerator.

Conventionally, as a refrigerator having a drawer type door, a refrigerator body having a storage chamber having an opening, a drawer type door that opens and closes the opening, a storage container that moves together with the drawer type door, a refrigerator body and a storage container. A rail mechanism provided between the door and a pull-out door that slides to open and close is known (for example, Patent Document 1).

United States 2015-0022067 Gazette

In the above-mentioned refrigerator, the total load of the drawer-type door, storage container, and stored items is applied to one rail mechanism, and the force required to open and close the drawer-type door increases, and the user feels the opening and closing operation is heavy. There was that.

The present invention has been made to solve the above problems, and the main problem is to lighten the opening / closing operation of a refrigerator provided with a drawer type door.

That is, the refrigerator according to the present invention includes a refrigerator body in which a storage chamber having an opening is formed, a drawer type door that opens and closes the opening, a storage container that moves together with the drawer type door, the drawer type door, and the above. A first rail mechanism that is provided between the refrigerator body and supports the pull-out door and slides along the opening / closing direction, and is provided between the storage container and the refrigerator body. It is characterized by including a second rail mechanism that supports the storage container and slides it along the opening / closing direction.

With such a configuration, by separately providing a rail mechanism that supports and slides the drawer-type door and a rail mechanism that supports and slides the storage container, the load of the drawer-type door and the storage container and storage can be provided. The load of an object can be distributed to multiple rail mechanisms. As a result, the deflection of each rail mechanism caused by the load applied when opening the pull-out door can be reduced, and the coefficient of friction in each rail mechanism is higher than the coefficient of friction when the entire load is supported by one rail mechanism. It can be made smaller. As a result, the frictional force received from the rail mechanism when opening and closing the drawer type door can be reduced, and the opening and closing operation of the drawer type door can be lightened.

As a specific configuration of the refrigerator, the storage chamber has a front side opening that opens to the front side of the refrigerator body and a back side opening that opens to the back side of the refrigerator body, and the drawer type door. However, the storage container is provided with a front door for opening and closing the front side opening and a back door for opening and closing the back side opening, and by opening and closing the front door and the back door, respectively, the storage container can be moved to the front side and the front side. An example is a so-called bidirectional drawer type that can be pulled out from any of the back side.
In such a case, in a bidirectional drawer type refrigerator having drawer doors on the front side and the back side respectively, the load of the front door and the back door and the load of the storage container and the stored items are distributed to separate rail mechanisms. The opening and closing operation of each drawer door can be lightened.

As a specific embodiment of the bidirectional drawer type refrigerator, the second rail mechanism slides the storage container from a predetermined storage position in the refrigerator body in both directions of the front side and the back side. Some are configured to be able to.

Further, as a specific embodiment of the bidirectional drawer type refrigerator, the first rail mechanism supports the front door and supports the front door rail mechanism that slides along the opening / closing direction and the back door. However, a rear door rail mechanism that slides along the opening / closing direction may be provided.
By doing so, by separately providing a rail mechanism that supports and slides the front door and a rail mechanism that supports and slides the rear door, the load of the front door and the load of the rear door can be combined with a plurality of rails. It can be distributed to the mechanism to lighten the opening and closing operation.

As a specific embodiment of the refrigerator, a storage container support that is interposed between the storage container and the second rail mechanism, supports the storage container, and slides along the opening / closing direction is further provided, and the front surface thereof. The door and the rear door each include a connecting portion for detachably connecting the storage container support, and when one of the front door and the rear door is pulled out, the storage container support is provided via the connecting portion of the one. And the storage container is pulled out.

In the refrigerator, when both the front door and the back door are in the closed position, the connecting portions of both the front door and the back door are connected to the storage container support, and the front door and the back door are connected. It is preferable that when one of the rear doors is pulled out, the front door and the other connecting portion of the rear door are separated from the storage container support.
By doing so, when the front door and the back door are closed, the connecting portion of each door is connected to the storage container support, so that the storage container is placed in the storage chamber when each door is pulled out. It can be prevented from being left behind.

In order to prevent the door on the opposite side from opening while one of the front door and the back door is pulled out, the refrigerator has the front door when one of the front door and the back door is pulled out. A locking mechanism may be provided to limit the sliding movement of the door and the other of the rear door.

In order to suppress the leakage of cold air due to the opening and closing of the drawer type door and to suppress the temperature fluctuation in the storage room, gaskets are provided between the front door and the refrigerator body and between the back door and the refrigerator body. It may be provided.

In order to prevent the connecting portion from detaching from the storage container support when the drawer type door is pulled out, the refrigerator may further include a suction mechanism for adsorbing the storage container support to the drawer type door. ..

The refrigerator further includes a sub-storage container provided above the storage container in the storage chamber, and in a state where the storage container is pulled out, the sub-storage container is independent of the storage container in the opening / closing direction. It is preferable that it is configured so that it can slide along.
By doing so, it is possible to improve the storability by providing a plurality of storage containers. Also, 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 items in the storage container, the back door can be pulled out to take out the items in the sub-storage container. can.

According to the present invention configured as described above, in a refrigerator provided with a drawer type door, the opening / closing operation can be lightened.

The perspective view which shows the structure of the refrigerator of this embodiment schematicly. FIG. 5 is a sectional view schematically showing a configuration in which each drawer type door of the refrigerator of the same embodiment is closed. The cross-sectional view schematically showing the structure which opened the front door of the refrigerator of the same embodiment. FIG. 3 is a sectional view schematically showing a configuration in which the rear door of the refrigerator of the same embodiment is opened. It is a figure explaining the structure of the connection part of the refrigerator of the same embodiment, and is the enlarged view of the part C of FIG. It is a figure explaining the operation of the connection part of the refrigerator of the same embodiment, and is the enlarged view of the part A of FIG. It is a figure explaining the operation of the connection part of the refrigerator of the same embodiment, and is the enlarged view of the part A of FIG. It is a figure explaining the structure and operation of the lock mechanism of the refrigerator of the same embodiment, and is the enlarged view of the part B of FIG. FIG. 6 is a sectional view schematically showing the configuration of a refrigerator of another embodiment. FIG. 6 is a sectional view schematically showing the configuration of a refrigerator of another embodiment.

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

As shown in FIG. 1, the refrigerator 100 of the present embodiment moves together with the refrigerator main body 1 in which the storage chamber 12 having the opening 11 is formed, the drawer-type door 2 for opening and closing the opening 11, and the drawer-type door 2. The storage container 3 is provided with a slide opening / closing mechanism that supports the drawer-type door 2 and the storage container 3 and slides them in the opening / closing direction.

As shown in FIG. 1, the refrigerator 100 of the present embodiment is a so-called bidirectional drawer type in which the storage container 3 can be pulled out from both the front side and the back side thereof. The storage chamber 12 has a front side opening 11 _F that opens to the front side and a back side opening 11 _R that opens to the back side, and the pull-out door 2 has a front side opening 11 _F and a back side. It is provided with a front door 2 _F and a rear door 2 _R for opening and closing the side openings 11 _R , respectively. In this refrigerator 100, the storage container 3 is pulled out to the front side when the front door _2F is _pulled out, and the storage container 3 is pulled out to the back side when the back door 2R is pulled out.

However, in the refrigerator 100 of the present embodiment, as shown in FIGS. 2 to 4, the slide opening / closing mechanism is provided with a plurality of rail mechanisms, and the loads of the drawer type doors 2 _F , 2 _R and the storage container 3 are applied. It is configured so that it can be distributed to multiple rail mechanisms. Specifically, this slide opening / closing mechanism mainly supports the drawer type doors 2 _F and 2 _R and slides along the opening / closing direction, and the first rail mechanism 51 and the storage container 3 mainly supports and slides along the opening / closing direction. It is provided with a second rail mechanism 52 to be made to move.

The first rail mechanism 51 is provided between the drawer type doors 2 _F and 2 _R and the refrigerator main body 1, and slides the drawer type doors 2 _F and 2 _R along the opening / closing direction. The first rail mechanism 51 includes a first fixed rail 511 fixed to the side surface 121 of the storage chamber 12 along the opening / closing direction, and a first slide frame 512 sliding along the first fixed rail 511. It is like a rail. The end portion of the first slide frame 512 on the opening direction side is fixedly attached to the surface 21 (hereinafter, also referred to as an inward facing surface) facing the storage chamber 12 side of the drawer type doors 2 _F and 2 _R. The first rail mechanism 51 of the present embodiment is a so-called two-step pull type provided with one slide frame, but is not limited to this, and may be a three-step pull type or more.

Here, in the refrigerator 100 of the present embodiment, the front door _2F and the rear door _2R are supported by separate rail mechanisms and slid. Specifically, the first rail mechanism 51 supports the front door rail mechanism 51 _F that supports the front door 2 _F and slides toward the front side along the opening / closing direction, and supports the rear door 2 _R and supports the rear door 2 R in the opening / closing direction. It is equipped with a rear door rail mechanism 51 _R that slides along the rear side. The front door rail mechanism 51 _F and the rear door rail mechanism 51 _R are provided so that their sliding directions are parallel to each other. Specifically, each of the first fixed rails 511 is vertically fixed on the side surface 121 of the storage chamber 12 so as to be parallel to each other.

The second rail mechanism 52 is provided between the storage container 3 and the refrigerator main body 1, and slides the storage container 3 along the opening / closing direction. In the second rail mechanism 52 of the present embodiment, the storage container 3 is stored on both the front side and the back side from a predetermined storage position (positions where the drawer type doors 2 _F and 2 _R are fully closed) in the refrigerator body 1. It is configured to slide in the direction.

Specifically, the second rail mechanism 52 supports the second fixed rail 521 fixed to the side surface 121 of the storage chamber 12 along the opening / closing direction and the storage container 3, and slides along the second fixed rail 521. It is a long one provided with a second slide frame (not shown). The second rail mechanism 52 is provided so that its sliding direction is parallel to the sliding direction of the first rail mechanism 51. Specifically, the second fixed rail 521 is fixed to the side surface 121 of the storage chamber 12 so as to be parallel to the first fixed rail 511. Here, the second fixed rail 521 is provided at a position lower than the first fixed rail 511.

Here, the refrigerator 100 of the present embodiment further includes a storage container support 4 that is interposed between the storage container 3 and the second rail mechanism 52 and supports the storage container 3. The storage container support 4 has a box shape with an opening on the upper surface side, and the storage container 3 is placed on the bottom surface thereof. The second slide frame described above is fixedly attached to the side surface of the storage container support 4 facing the side surface 121 of the storage chamber 12, and the storage container support 4 opens and closes while accommodating the storage container 3 inside. It is configured to slide along the direction.

In the refrigerator 100 of the present embodiment, the front door 2 _F and the back door 2 _R are the storage container support 4 so that the storage container 3 can be pulled out together when the drawer type doors 2 _F and 2 _R are pulled out. Each of the connecting portions 23 to be connected to the above is provided. As shown in FIG. 5, specifically, the connecting portion 23 is provided on the inward facing surface 21 of each of the drawer type doors 2 _F and 2 _R , and is hooked on the inner surface 41s of the side wall 41 of the storage container support 4. It is a hook-shaped one having 231. The hooking surface 231 of the present embodiment is formed so as to be hooked on the inner surface 41 of the upper end portion of the side wall 41 of the storage container support 4. Then, when the pull-out doors 2 _F and 2 _R are pulled out, the hooking surface 231 of the connecting portion 23 comes into contact with the inner surface 41s of the side wall 41 of the storage container support 4 and is pulled out in the opening direction. In this way, the storage container support 4 and the storage container 3 housed therein move in the opening direction together with the drawer type doors 2 _F and 2 _R. When the drawer type doors 2 _F and 2 _R are pushed back, the inward facing surface 21 of the drawer type doors 2 _F and 2 _R comes into contact with the inner surface 41s of the side wall 41 of the storage container support 4 and pushes it out. Become. In this way, the storage container support 4 and the storage container 3 housed therein move in the closing direction together with the drawer type doors 2 _F and 2 _R.

Here, the connecting portion 23 is configured to be detachably connected to the storage container support 4, and when one of the front door _2F and the rear door _2R is pulled out, the one pull-out door is connected. The portion 23 is connected to the storage container support 4, and the connecting portion 23 of the other drawer-type door is detached from the storage container support 4.

Specifically, as shown in FIGS. 6 and 7, the connecting portion 23 has a facing position P in which the hooking surface 231 faces the inner surface 41s of the side wall 41 of the storage container support 4, and the side wall of the storage container support 4. The hooking surface 231 is configured to move from the inner surface 41s of the 41 to the retracted position Q. When both the front door 2 _F and the rear door 2 _R are in the fully closed position, each connecting portion 23 is located at the facing position P by a spring mechanism (not shown). Then, as shown in FIG. 6, when one of the front door _2F and the back door _2R is pulled out from the fully closed position, the other connecting portion 23 at the facing position P becomes the inner surface of the side wall 41 of the storage container support 4. It is pushed up by 41s to move to the retracted position Q, and then moves to the opposite position P again by the spring mechanism. On the other hand, as shown in FIG. 7, when one of the front door _2F and the rear door _2R is pushed back from the open position to the fully closed position, the other connecting portion 23 at the facing position P becomes the storage container support 4. It is pushed up by the outer surface 41о of the side wall 41 to move to the retracted position Q, and then moves to the opposite position P again by the spring mechanism.
In this way, when both the front door _2F and the back door _2R are in the fully closed position, each connecting portion 23 is connected to the storage container support 4, so that each door _2F , _2R It is possible to prevent the connecting portion 23 from failing to grasp the storage container support 4 and pulling out only the door when the door is pulled out.

Further, the connecting portion 23 is connected to a handle 24 for pulling out the drawer type doors 2 _F and 2 _R provided on the outward surface 22 of the drawer type doors 2 _F and 2 _R , and operates the handle 24. As a result, the movement of the connecting portion 23 is restricted. Specifically, when the handle 24 is pulled along the opening / closing direction of the pull-out doors 2 _F and 2 _R , the connecting portion 23 is configured to be fixed at the facing position P. As a result, when one of the pull-out doors 2 _F and 2 _R is pulled out by holding the handle 24, the storage container support 4 can be pulled out without disconnecting the one connecting portion 23 and the storage container support 4. can.

Further, the slide opening / closing mechanism includes a lock mechanism 6 that restricts the slide movement of the front door _2F and the back door _2R when one of the front door _2F and the back door _2R is pulled out. Specifically, as shown in FIG. 8, the lock mechanism 6 includes a first recess 61 formed in the slide frame 512 _F of the front door rail mechanism 51 _F and a slide frame 512 _R of the rear door rail mechanism 51 _R. A second recess 62 formed in the above, and a lock member 63 arranged between the slide frames 512 _F and 512 _R and configured to selectively fit into the first recess 61 and the second recess 62. I have. The lock mechanism 6 has an unlocked state in which neither the front door _{2F nor} the rear door 2R is restricted by the positional relationship between the first recess 61, the second recess 62, and the lock member 63, and the front door 2. It is designed to be in a locked state that restricts the sliding movement of _F or the rear door _2R .

Specifically, when both the front door _2F and the rear door _2R are in the fully closed position, the lock mechanism 6 takes the unlocked state. In this state, the first recess 61 and the second recess 62 face each other, and the lock member 63 is acted on by a spring member (not shown) and is located between the first recess 61 and the second recess 62. It is designed so that it does not fit into either the recess 61 or the second recess 62.

On the other hand, when either the front door _2F or the rear door _2R is pulled out, the lock mechanism 6 takes a locked state. For example, when the rear door 2 _R is pulled out, the lock member 63 is pushed out by the slide frame 512 _R of the rear door rail mechanism 51 _R , and the lock member 63 is fitted into the first recess 61. In this state, the lock mechanism 6 restrains the slide frame 512 _R of the front door rail mechanism 51 _F , and the slide movement of the front door 2 _F is restricted.

Further, in the refrigerator 100 of the present embodiment, as shown in FIG. 2, a gasket 7 is provided between the drawer type doors 2 _F and 2 _R and the refrigerator main body 1. The gasket 7 is attached to the inward facing surface 21 of the pull-out doors 2 _F and 2 _R so as to seal the opening 11 of the storage chamber 12 over the entire circumference. Here, the gasket 7 is provided between the front door 2 _F and the refrigerator main body 1, and between the rear door 2 _R and the refrigerator main body 1, respectively.

As shown in FIG. 2, the refrigerator 100 of the present embodiment also includes a suction mechanism 8 for sucking the storage container support 4 to the drawer type doors 2 _F and 2 _R. Specifically, this suction mechanism 8 attracts the storage container support 4 by magnetic force, and for example, faces the magnet 81 provided on the inward facing surface 21 of the drawer type doors 2 _F and 2 _R. It may be composed of a magnetic material plate 82 attached to the side wall 41 of the storage container support 4.

According to the refrigerator 100 of the present embodiment configured as described above, the front door rail mechanism _51F that supports and _slides the front door _2F and the rear door rail mechanism 51 that supports and slides the rear door 2R. By separately providing the _R and the second rail mechanism 52 that supports and slides the storage container 3, the load of each of the drawer type doors 2 _F and 2 _R and the load of the storage container 3 and the stored items are plurality. It can be distributed to the rail mechanisms 51 _F , 51 _R , and 52. As a result, the bending of the rail mechanisms 51 _F , 51 _R , 52 caused by the application of a load when the pull-out doors 2 _F , 2 _R are opened can be reduced, and the rail mechanisms 51 _F , 51 _R , 52 can be used. The coefficient of friction can be made smaller than the coefficient of friction in the case where one rail mechanism is configured to support the entire load. As a result, the total frictional force received from each rail mechanism 51 _F , 51 _R , 52 when opening and closing each drawer type door 2 _F , 2 _R can be reduced, and the opening / closing operation of each drawer type door 2 _F , 2 _R is lightened. can do.

<Other modified embodiments>
The present invention is not limited to the above embodiment.

For example, the refrigerator 100 of the above embodiment is provided with a plurality of drawer type doors 2 _F and 2 _R , and is a bidirectional drawer type refrigerator in which the storage container 3 can be pulled out from either the front side or the back side. not. The refrigerator 100 of another embodiment may be provided with only one pull-out door 2 on the front side, and the storage container 3 may be pulled out only from the front side.

Further, in the refrigerator 100 of the above embodiment, each connecting portion 23 is connected to the storage container support 4 when the drawer type doors 2 _F and 2 _R are fully closed, but the present invention is not limited to this. In another embodiment, when each of the drawer type doors 2 _F and 2 _R is fully closed, each connecting portion 23 is separated from the storage container support 4, and when one of the drawer type doors 2 _F and 2 _R is pulled out, the said One connecting portion 23 may be connected to the storage container support 4.

Further, the connecting portion 23 of the above-described embodiment is configured to be provided on the connected portion provided on the inner surface 41 of the upper end portion of the side wall 41 of the storage container support 4, but the present invention is not limited to this. As shown in FIG. 10, the connecting portion 23 of the other embodiment may be configured to be connected to the connected portion 41j formed by the recess formed in the bottom of the storage container support 4. In this case, the connecting portion 23 is interlocked with the movement of the handle 24, and the movement of the connecting portion 23 may be restricted by operating the handle 24.

In the first rail mechanism 51 and the second rail mechanism 52 of the above-described embodiment, the fixed rails 511 and 521 are fixed to the side surface 121 of the storage chamber 12, but the present invention is not limited to this. In the first rail mechanism 51 and the second rail mechanism 52 of the other embodiment, the fixed rails 511 and 521 may be fixed to the bottom surface or the upper surface of the storage chamber 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 bottom surface of the storage chamber 12. In this case, the first fixed rail 511 and the second fixed rail may be attached to the bottom surface of the storage chamber 12. By doing so, when the drawer type doors 2 _F and 2 _R are pulled out, the rail mechanisms 51 and 52 are hidden under the storage container support 4 and cannot be seen, so that the appearance can be refreshed.

Further, as shown in FIG. 9, the refrigerator 100 of another embodiment may further include a sub-container 3s provided above the storage container 3 in the storage chamber 12. In this case, the refrigerator 100 may be provided with a sub-rail mechanism (not shown) that is interposed between the sub-storage container 3s and the refrigerator main body 1 to support the sub-storage container 3s and slide it along the opening / closing direction. The sub rail mechanism allows the sub storage container 3s to slide in both directions from the predetermined storage position (positions where the drawer type doors 2 _F and 2 _R are fully closed) in the refrigerator body 1 to the front side and the back side. May be configured. Further, the sub rail mechanism may be configured so that the sub storage container 3s can be slid along the opening / closing direction independently of the storage container 3.

In addition, various embodiments may be modified or combined as long as it does not contradict the gist of the present invention.

100 ・ ・ ・ Refrigerator 1 ・ ・ ・ Refrigerator body 11 ・ ・ ・ Opening 12 ・ ・ ・ Storage room 2 ・ ・ ・ Drawer door 3 ・ ・ ・ Storage container 51 ・ ・ ・ First rail mechanism 52 ・ ・ ・ Second Rail mechanism

Claims (10)

A refrigerator body with a storage chamber with an opening,
A drawer-type door that opens and closes the opening,
A storage container that moves with the drawer-type door,
A first rail mechanism provided between the drawer-type door and the refrigerator body to support the drawer-type door and slide it along the opening / closing direction.
A refrigerator provided between the storage container and the refrigerator main body and provided with a second rail mechanism that supports the storage container and slides it along the opening / closing direction. The storage chamber has a front side opening that opens to the front side of the refrigerator body and a back side opening that opens to the back side of the refrigerator body.
The pull-out door includes a front door that opens and closes the front opening, and a back door that opens and closes the back opening.
The refrigerator according to claim 1, wherein the storage container can be pulled out from either the front side or the back side by opening and closing the front door and the back door, respectively. The refrigerator according to claim 2, wherein the second rail mechanism is configured to slide the storage container in both directions of the front side and the back side from a predetermined storage position in the refrigerator body. The first rail mechanism
A rail mechanism for the front door that supports the front door and slides along the opening / closing direction,
The refrigerator according to claim 2 or 3, further comprising a rail mechanism for the rear door that supports the rear door and slides along the opening / closing direction. A storage container support that is interposed between the storage container and the second rail mechanism, supports the storage container, and slides along the opening / closing direction is further provided.
The front door and the rear door each include a connecting portion for detachably connecting the storage container support.
The refrigerator according to any one of claims 2 to 4, wherein when one of the front door and the back door is pulled out, the storage container support and the storage container are pulled out through the connecting portion of the one. When both the front door and the back door are in the closed position, the connecting portions of both the front door and the back door are connected to the storage container support.
The refrigerator according to claim 5, wherein when one of the front door and the back door is pulled out, the connecting portion of the front door and the other of the back door is separated from the storage container support. The refrigerator according to any one of claims 2 to 6, further comprising a locking mechanism for restricting the sliding movement of the front door and the other of the rear doors when one of the front door and the rear door is pulled out. .. The refrigerator according to any one of claims 2 to 7, wherein gaskets are provided between the front door and the refrigerator main body and between the back door and the refrigerator main body, respectively. The refrigerator according to claim 5 or 6, further comprising a suction mechanism for sucking the storage container support to the drawer type door. A sub-storage container provided above the storage container in the storage chamber is further provided.
The invention according to any one of claims 2 to 9, wherein the sub-storage container is configured to slide along the opening / closing direction independently of the storage container in a state where the storage container is pulled out. refrigerator.

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