KR20200005120A - Drawer type refrigerator - Google Patents

Abstract

A drawer type refrigerator is disclosed. According to an embodiment of the present invention, the drawer type refrigerator comprises: a refrigerator main body having an open front surface; a plurality of sliding doors configured to open and close the front surface of the refrigerator main body and pullable out from the refrigerator main body; and a guide rail providing a moving route of the sliding door pulled out from the refrigerator main body, wherein the sliding door has a plurality of shelves spaced apart from each other and configured to store items in a height direction of the sliding door.

Description

Drawer type refrigerator {DRAWER TYPE REFRIGERATOR}

The present invention relates to a drawer-type refrigerator.

In general, the refrigerator includes at least two storage compartments divided up and down or left and right, and one of the storage compartments may be used as a freezer compartment for freezing foodstuffs according to an internal environment maintaining a temperature of about −7 ° C. or less. The other one of the storage compartments may be utilized as a refrigerating compartment for refrigerating foodstuffs according to the environment in the high temperature maintained at approximately −4 ° C. to 2 ° C.

Such a refrigerator maintains an internal temperature at a low temperature by a refrigerant, and may be provided with various shelves and drawers in the inside for storing food. In addition, the refrigerator is provided with a freezer door and a refrigerator door (hereinafter, referred to as a "freezer door") so as to allow each food item to be taken out and taken out of the freezer compartment and the refrigerating compartment so that the cold air of the freezer compartment and the refrigerating compartment does not leak out. Can be.

Since a conventional refrigerator has a structure (opening structure) in which each refrigerator door rotates about a hinge axis, opening and closing of the refrigerator may be performed by opening and closing the refrigerator door.

However, in the conventional refrigerator having a door having a hinged structure as described above, the storage compartment of the refrigerator becomes deeper inward as the storage capacity of the refrigerator increases, so that the outside of the storage compartment may be withdrawn to withdraw the storage stored in the interior of the storage compartment. It is inconvenient to take out the storage located on the side first and then remove the storage inside again, and there is a problem that it is difficult to check the type of the storage stored inside the storage compartment.

Korean Patent Publication No. 10-2014-64340

An embodiment of the present invention is to provide a drawer-type refrigerator that can easily and easily withdraw the storage stored in the inside of the refrigerator storage compartment from the side without moving the storage outside.

According to an aspect of the invention, the front body is opened refrigerator body; At least one sliding door part provided on the refrigerator main body to open and close the front surface of the refrigerator main body and drawn out to the front of the refrigerator main body; The sliding door unit includes a guide rail unit for providing a movement path to be drawn out from the refrigerator body, wherein the sliding door portion is provided with a plurality of shelves for storing the storage spaced apart in the height direction of the sliding door portion, A type refrigerator can be provided.

In addition, according to an aspect of the present invention is provided rotatably at a lower portion of the sliding door portion disposed on the lowermost of the plurality of the sliding door portion, may further include a wheel portion for supporting the load of the sliding door portion.

The guide rail unit may include: a fixed rail fixedly installed to extend along the withdrawal direction of the sliding door part on both side surfaces of the refrigerator main body; And a movable rail slidably coupled to the fixed rail to move along the fixed rail and connected to the sliding door part to move together with the sliding door part.

In addition, the moving rail may be disposed at both side ends of the shelf so that the shelf is supported.

The guide rail unit may further include a guide roller rotatably installed on the moving path of the moving rail.

In addition, according to an aspect of the invention, the operation switch provided on one side of the sliding door portion; A door driver for providing an external force to the moving rail to move the sliding door part; And a controller configured to control the door driver by receiving a signal from the operation switch.

In addition, the door driving unit, a rack gear formed on one side of the moving rail; And a pinion gear rotatably installed at one side of the refrigerator main body, engaged with the rack gear, and driven by the controller.

According to an aspect of the present disclosure, a foot sensor provided at a lower end of the sliding door part disposed at a lowermost part of the plurality of sliding door parts to detect a user's foot, and when the user's foot is detected, further comprises a foot sensor that transmits a detection signal of the controller. It may include.

According to the drawer-type refrigerator according to an embodiment of the present invention, when taking out the storage stored in the inside of the refrigerator storage compartment, the advantage of being able to easily and easily pull out from the side of the sliding door without moving the storage outside of the storage compartment. have.

1 is a perspective view showing a drawer-type refrigerator according to an embodiment of the present invention.
2 is a side view of a drawer-type refrigerator according to an embodiment of the present invention.
3 is a side view illustrating a state in which the sliding door part is drawn out in FIG. 2.
FIG. 4 is a block diagram illustrating a control relationship for automatically extracting a sliding door part from a drawer type refrigerator according to an embodiment of the present invention.
5 is a perspective view illustrating a state in which the sliding door part is drawn out in FIG. 1.

Hereinafter, with reference to the accompanying drawings will be described in detail the configuration and operation according to the embodiment of the present invention. The following description is one of several aspects of the patentable invention and the following description may form part of the detailed description of the invention.

However, in describing the present invention, a detailed description of known configurations or functions may be omitted to clarify the present invention.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail. However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all changes, equivalents, and substitutes included in the spirit and scope of the present invention.

Terms including ordinal numbers such as first and second may be used to describe various components, but the components are not limited by the terms. These terms are only used to distinguish one component from another.

When a component is said to be 'connected' or 'connected' to another component, it may be directly connected to or connected to that other component, but it may be understood that another component may exist in between Should be. On the other hand, when a component is said to be 'directly connected' or 'directly connected' to another component, it should be understood that no other component exists in the middle.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. The term 'comprises' or 'having' in the present application is intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and that one or more other features It should be understood that it does not exclude in advance the possibility of the presence or addition of numbers, steps, operations, components, parts or combinations thereof.

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

First, referring to FIGS. 1 to 3, a drawer-type refrigerator 10 according to an embodiment of the present invention may include a refrigerator main body 100, a sliding door part 200, and a guide rail part 300.

The fact that an embodiment of the present invention includes the above-listed components does not mean that they consist only of these components, but basically includes these components, and may include other components (for example, well-known techniques known in refrigerators). Although it means that there is, the detailed description is omitted since it may obscure the subject matter of the present invention.

The refrigerator body 100 is an element forming the overall appearance of the refrigerator 10, and a predetermined accommodation space may be formed therein. The refrigerator main body 100 has an airtight structure in which the remaining parts of the refrigerator main body are closed except for the front to keep the temperature inside at a low temperature, and the front of the refrigerator main body 100 is opened so that storage items such as food products can be put into and taken out of the storage space of the refrigerator main body 100. It can be configured as a structure.

The sliding door part 200 may be disposed at the front of the refrigerator main body 100 to selectively open or close the opening formed at the front of the refrigerator main body 100 as necessary. The sliding door part 200 may be provided in at least one or more so as to be able to enter and exit the refrigerator main body 100.

That is, one sliding door part 200 may be provided in the refrigerator main body 100 to open all of the front parts of the refrigerator main body 100 at once, or two or more sliding door parts may be provided to provide the front part of the refrigerator main body 100. It may be partially open.

In addition, the sliding door part 200 may be divided up and down with respect to the refrigerator main body 100, and may be divided into left and right, if necessary, may be appropriately selected according to the needs of the implementer.

As illustrated in FIG. 1, the sliding door part 200 is divided up and down to partially open and close the opening of the refrigerator main body 100, but is not necessarily limited thereto. It may be provided to be divided, it is also possible to provide four sliding door portion 200 to be divided up and down, left and right.

As illustrated in FIGS. 2 and 3, the sliding door part 200 may be provided with a plurality of shelves 210 to store and store a storage such as food. The plurality of shelves 210 may be spaced apart from each other at appropriate intervals along the height direction of the sliding door part 200, and the sides of the shelf 210 may be opened to allow the sliding door part 200 to be opened in the refrigerator body 100. In the pulled out (opened) state is configured to be able to put in and out from the side of the sliding door portion 200.

Here, the height of the shelf 210 or the separation distance between the shelf 210 and the shelf 210 may be appropriately adjusted on the sliding door part 200 according to the size of the storage.

On the other hand, the guide rail unit 300 guides the movement path of the sliding door 200 so that the sliding door 200 is not completely separated from the refrigerator main body 100, but exits from the refrigerator main body 100 along a preset path. can do.

In addition, an embodiment of the present invention is a sliding door part (with sliding door part 200 drawn out) as shown in FIG. 3 in order to put or remove food items stored in the refrigerator (more specifically, sliding door part 200). It may further include a wheel unit 400 for supporting the load of the 200.

As described above, the wheel part 400 may be freely rotatable at a lower portion of the sliding door part 200 disposed at the lowermost part when the sliding door part 200 is provided in plural or more. To support the load of the sliding door unit 200 drawn out.

In an embodiment of the present invention, since the storage stored in the refrigerator is not stored in the refrigerator main body 100 but is stored in the shelf 210 provided in the sliding door part 200, the sliding door part includes a sliding door part. (200) As well as the load of itself, the weight of the storage, such as food, is added, so the problem that the door sag when the sliding door part 200 is pulled out may occur, the wheel part 400 in this case the sliding door part 200 By supporting the load of the door to prevent sagging and can reduce the burden of the guide rail portion (300).

2 and 3, the guide rail unit 300 may include a fixed rail 310 and a moving rail 320.

The fixed rail 310 may be installed to extend along the withdrawal direction of the sliding door 200 on both sides of the refrigerator main body 100 so that the sliding door 200 moves along a predetermined movement path. The fixed rail 310 may be fixed to the refrigerator body 100 so as not to move.

In addition, the moving rail 320 is connected to the sliding door part 200 and moved together with the sliding door part 200, and is slidably coupled to the fixed rail 310 to move along the fixed rail 310.

That is, the moving rail 320 is installed in the sliding door part 200 and moves together with the sliding door part 200, and the fixing rail 310 is installed in the refrigerator main body 100 and fixed to the refrigerator main body 100. When the sliding door part 200 is drawn out, the moving rail 320 fitted with the fixed rail 310 is guided along the fixed rail 310 while the sliding door part 200 always moves in a constant path. To help.

Here, the moving rail 320 may be disposed at both side ends of the shelf 210 to support the shelf 210 provided in the sliding door part 200.

That is, the shelf 210 is placed on the upper portion of the movable rail 320, and thus the movable rail 320 can stably support the load of the shelf 210. Therefore, the moving rail 320 may perform a complex function of not only guiding the moving path when the sliding door part 200 is opened and closed, but also supporting the load of the shelf 210.

In addition, the guide rail unit 300 may further include a guide roller 330 rotatably installed on the moving path of the moving rail 320. The guide roller 330 may smoothly and smoothly move when the moving rail 320 is moved, and may reduce interference noises when moving.

Meanwhile, as shown in FIG. 4, the exemplary embodiment of the present invention may further include an operation switch 500, a door driver 600, and a controller 700.

As shown in FIGS. 1 and 5, the operation switch 500 is an element provided at one side of the sliding door part 200, and is configured to generate an electrical signal by a user pressing or touching.

The operation switch 500 may be provided at one side of the front part of the sliding door part 200 so that a user may easily recognize and easily operate the operation switch 500. The operation switch 500 may be provided in various forms, but for example, a push button method This can be used.

In addition, the door driver 600 provides an external force to the moving rail 320 so that the user can automatically move the sliding door 200 when necessary, without having to apply an external force directly to the sliding door 200 to open and close the refrigerator. As an element, the door driver 600 may move the sliding door part 200 in the opening or closing direction of the sliding door part 200 by providing an external force to the moving rail 320.

Specifically, as shown in FIGS. 2 and 3, the door driver 600 may include a rack gear 610 and a pinion gear 620.

The rack gear 610 may be formed at one side of the moving rail 320. Specifically, the rack gear 610 may be extended along the length direction of the moving rail 320 on the lower surface of the moving rail 320.

In addition, the pinion gear 620 may be installed and rotated on the path of the moving rail 320 at one side of the refrigerator main body 100, and the pinion gear 620 is engaged with the rack gear 610 and the controller 700. It can be driven by receiving a control signal.

Therefore, when the control unit 700 outputs a control signal, the sliding door unit 200 is automatically opened because the pinion gear 620 is rotated to transmit the rotational force to the rack gear 610 to move the moving rail 320. Can be closed.

Here, the door driving unit 600 including the rack gear 610 and the pinion gear 620 may be installed on all the moving rails 320, but at least one moving rail 320 as shown in FIGS. 2 and 3. For example, when the door driving unit 600 is installed on any one of the moving rails 320, the moving unit 320 may be disposed on the sliding door part 200 with respect to the height direction. It is good to be installed for smooth opening and closing of the sliding door 200.

On the other hand, according to one embodiment of the present invention, when a user holds a storage to be stored with both hands in his hand, it is difficult to operate the operation switch 500, the foot may open and close the sliding door part 200 using a foot. The foot sensor 800 may be further included.

The foot sensor 800 is installed at the lower end of the sliding door part 200 disposed at the bottom of the plurality of sliding door parts 200, and recognizes a user's foot or movement of the foot to transmit a predetermined detection signal to the controller 700. can send.

The control unit 700 may automatically open or close the sliding door unit 200 by sending a control signal to the door driving unit 600 when the foot sensor 800 receives a signal. Accordingly, the user cannot use his or her hand. In using the foot can open and close the sliding door 200.

As mentioned above, although this invention was demonstrated using the preferable embodiment, the scope of the present invention is not limited to the specific embodiment described, The person of ordinary skill in the art is not limited within the scope of this invention. Substitution and modification of the components are possible, which also belongs to the rights of the present invention.

10: drawer type refrigerator
100: refrigerator body 200: sliding door portion
210: shelf 300: guide rail portion
310: fixed rail 320: moving rail
330: guide roller 400: wheel portion
500: operation switch 600: door drive unit
610: rack gear 620: pinion gear
700: control unit 800: foot sensor

Claims (8)

A refrigerator body having an open front;
A sliding door part provided to open and close the front surface of the refrigerator main body and capable of being pulled out toward the front of the refrigerator main body; And
The sliding door unit includes a guide rail unit for providing a movement path to be drawn out from the refrigerator body,
The sliding door portion is provided with a plurality of shelves that can accommodate the storage spaced apart in the height direction of the sliding door portion,
Drawer refrigerator. According to claim 1,
A drawer-type refrigerator further comprising a wheel part rotatably provided under a sliding door part disposed at a lowermost part of a plurality of the sliding door parts, and supporting a load of the sliding door part. According to claim 1,
The guide rail portion,
A fixed rail fixedly installed on both sides of the refrigerator main body so as to extend along a withdrawal direction of the sliding door part; And
And a movable rail slidably coupled to the fixed rail and moving along the fixed rail and connected to the sliding door part to move together with the sliding door part. The method of claim 3, wherein
The movable rail is disposed on both sides of the shelf so that the shelf is supported, drawer-type refrigerator. The method of claim 3, wherein
The guide rail portion,
And a guide roller rotatably installed on the moving path of the moving rail. The method of claim 3, wherein
An operation switch provided on one side of the sliding door part;
A door driver for providing an external force to the moving rail to move the sliding door part; And
And a control unit for controlling the door driving unit in response to a signal of the operation switch. The method of claim 6,
The door driving unit,
A rack gear formed on one side of the moving rail; And
The drawer-type refrigerator rotatably installed on one side of the refrigerator main body, and engaged with the rack gear and including a pinion gear driven by the controller. The method of claim 6,
And a foot sensor provided at a lower end of the sliding door part disposed at a lowermost part of the plurality of sliding door parts to sense a user's foot and sending a detection signal of the controller when the user's foot is detected.

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