KR20230044375A - Refrigerator - Google Patents

Abstract

An embodiment of the present invention relates to a refrigerator which comprises: a cabinet having a storage space; a drawer door opening and closing the storage space and having an accommodation space of which an upper surface is opened; an entry and exit rail connecting the drawer door and the storage space and guiding entry and exit of the drawer door; a lifting member provided inside the storage space and supporting food and a container; and a lifting assembly provided on both side surfaces of the drawer door and coupled to both ends of the lifting member to vertically lift the lifting member while the drawer door is withdrawn.

Description

refrigerator { Refrigerator }

The present invention relates to a refrigerator.

In general, a refrigerator is a home appliance that allows low-temperature storage of food in an internal storage space shielded by a door. To this end, the refrigerator is configured to cool the inside of the storage space using cool air generated through heat exchange with a refrigerant circulating in the refrigerating cycle, thereby storing stored food in an optimal state.

Recently, refrigerators are gradually becoming larger and more multifunctional in accordance with changes in eating habits and the trend of high-end products. .

The storage space of the refrigerator may be opened and closed by a door. Refrigerators may be classified into various types according to the arrangement of the storage space and the structure of a door that opens and closes the storage space.

Refrigerator doors can be classified into a pivoting door that opens and closes a storage space by pivoting, and a drawer-type door that draws in and out in a drawer-type manner.

In addition, the drawer-type door is often disposed in the lower region of the refrigerator. When the drawer-type door is disposed in the lower region of the refrigerator, the waist must be bent to take out the basket or food accommodated in the drawer-type door. If the weight of the food is heavy, it may be inconvenient to use the basket or a problem of injury may occur.

In order to solve this problem, various structures in which the drawer type door can be lifted have been developed.

Representatively, Korean Patent Publication No. 10-2008-0101335 discloses a structure in which an elevating storage container is provided on the rear surface of a door that is drawn in and out. However, in such a structure, the connection between the door and the storage container is exposed, and the electric device and structures for lifting are exposed, so there is a serious problem in safety in use.

In addition, the force for the actual elevation of the storage container is applied at the front end of the storage container, and when food is stored in the storage container, the stable lifting action of the storage container is difficult due to the eccentric load applied to the storage container. There is a problem that can cause serious deformation and damage of the storage container.

An object of the present invention is to provide a refrigerator in which a part of the inside of a drawer door that is drawn out in a drawer manner is lifted to improve user convenience.

In an embodiment of the present invention, lifting assemblies are provided on both sides of the lifting member on which food is seated inside the drawer door so that the lifting member can be moved up and down without tilting the lifting member, thereby improving operational stability and operational reliability. It is an object of the present invention to provide a refrigerator capable of

An object of the present invention is to provide a refrigerator in which an electric device for moving up and down is disposed in a door part of a drawer door, and a mechanical unit connected to the electric device and operated to move up and down is disposed in the drawer part, thereby improving safety.

An object of the present invention is to provide a refrigerator in which assembly workability and serviceability are improved by allowing selective separation and coupling of a drawer portion in which a mechanism portion is disposed and a door portion in which an electric device is provided.

An object of the present invention is to provide a refrigerator in which a stable lifting operation is possible by means of an lifting member that moves up and down by supporting food or a basket inside a drawer unit.

An object of the present invention is to provide a refrigerator capable of stable lifting operation by including a shaft for transmitting power to lift a lifting member and a guide rail for guiding the lifting member.

An object of the present invention is to provide a refrigerator capable of securing use safety and improving appearance by shielding rails and shafts arranged for the elevation of an elevation member.

An object of the present invention is to provide a refrigerator capable of maintaining a stable coupling state of the elevating member and guaranteeing an elevating operation by using a bracket for coupling the elevating member to a rail and a shaft.

An object of the present invention is to provide a refrigerator with improved appearance and improved safety by having a structure capable of shielding a lifting assembly disposed on both sides of the lifting member and a mounting structure of the lifting assembly for the purpose of lifting the lifting member. .

A refrigerator according to an embodiment of the present invention includes a cabinet forming a storage space; a drawer door that opens and closes the storage space and has a storage space with an open upper surface; a draw-out rail connecting the drawer door and the storage space and guiding the draw-in/out of the drawer door; an elevating member provided inside the storage space and supporting food and containers; and a lifting assembly provided on both sides of the drawer door and coupled to both ends of the lifting member to lift the lifting member up and down in a state in which the drawer door is drawn out.

The drawer door includes a door unit opening and closing the storage space and forming an exterior exposed to the front; a door-side device coupled to a rear surface of the door unit, including a drawer portion forming the storage space, and wherein the lifting assembly is provided in the door unit and includes a lifting motor driven to lift the lifting member; It is possible to include a drawer-side device provided in the drawer unit and connected to the door-side device to elevate the lifting member by power provided from the door-side device.

The door part and the drawer part are detachable, the door side device includes a door side connecting member exposed to the rear surface of the door part and rotated by the lifting motor, and the drawer side device is exposed to the front surface of the drawer part, It is possible to include a drawer-side connecting member that is coupled to the door-side connecting member and rotates together when the door unit and the drawer unit are coupled.

The door-side device includes a lift motor providing power; It is possible to include a door shaft connected to the elevating motor and transmitting power of the elevating motor to the drawer-side devices disposed on both sides.

The door shafts are connected to both sides of the lifting motor, and the door shafts on both sides can rotate simultaneously.

A pair of the lifting motors may be provided, and the door shaft may be connected to each of the lifting motors.

The drawer door may include a drawer body formed of plastic resin material and having a mounting portion to which the lifting member is mounted; It is possible to include a plurality of metal plates mounted on inner and outer surfaces of the drawer body to form an exterior and to shield the elevating member.

The elevating member may include a pair of elevating shafts rotatably mounted on both side surfaces of the drawer door, extending vertically and having threads formed on an outer circumferential surface; a shaft holder installed through the elevating shaft and having one side connected to a side end of the elevating member so as to move up and down along the elevating shaft when the elevating shaft rotates; It is possible to include; elevating rails connected to the inner surface of the drawer door and both sides of the elevating member, disposed in parallel with the elevating shaft and extending in multiple stages in the vertical direction.

A recessed mounting portion may be formed on an inner surface of the drawer door to accommodate the lifting shaft and the lifting rail.

The elevating shaft is rotatably supported at upper and lower ends inside the mounting portion, and the elevating rail may pass through an upper surface of the mounting portion and extend upward when the elevating member is raised.

Elevating brackets may be mounted on both sides of the elevating member, and the shaft holder and the elevating rail may be fixedly mounted on the other surface of the elevating bracket.

A shaft mounting portion is formed on an outer surface of the drawer door, to which a drawer-side shaft for transmitting power for rotation of the shaft is mounted, and the mounting portion and the shaft mounting portion are open to communicate with each other, so that the drawer-side shaft and the lifting/moving portion are formed. It is possible that the screws are geared to cross each other.

The elevating bracket is formed of a plate-like material, has a holder opening having a shape corresponding to that of the shaft holder, and the shaft holder can be inserted into the holder opening.

The elevating rail may be mounted to pass through the center of the elevating bracket, and the holder opening may be formed in the same shape on both left and right sides of the elevating rail.

The holder opening may be formed to pass through the holder bracket, and at one end of the holder opening, a holder support portion extending toward the elevating shaft and supporting an upper surface of the shaft holder may be formed.

An end of the holder support portion may be formed with a recessed portion in which the elevating shaft is accommodated.

Side covers may be provided on both sides of the elevating member to extend upward, to elevate together with the elevating member, and to shield the elevating shaft and the elevating rail.

An upper end of the side cover is bent outward to form a part of an upper surface of the drawer door, and it is possible to shield an upper end of the lift rail.

The storage space of the drawer door may include a front space provided with the lifting member; A rear space behind the front space, and the pull-out rail may have a pull-in/out distance such that the front space is completely exposed to the outside and the rear space is located inside the cabinet.

The rear space may include a drawer cover mounted inside the drawer door, partitioning the front space and the rear space, and simultaneously shielding an upper surface of the rear space.

In the refrigerator according to the proposed embodiment, the following effects can be expected.

Refrigerators according to an embodiment of the present invention are configured such that a part of the storage space inside the drawer door can be moved up and down in a state in which the drawer door is withdrawn. Accordingly, since the user does not have to bend over excessively when storing food in the drawer door disposed below, convenience of use may be improved.

In particular, in order to lift heavy food or a container containing food, the user has to apply a lot of force to lift the food or container, but the lifting member inside the drawer door is lifted to a convenient position by the driving of the lifting assembly. By doing so, there is an advantage that can prevent user's injury and remarkably improve convenience in use.

In addition, an elevating member on which food or containers are seated is disposed inside the drawer door, and elevating assemblies are provided at both sides of the drawer door to elevate the elevating member while supporting both ends of the elevating member. can be configured to do so. Therefore, it is possible to prevent the elevating member from being tilted or eccentric, and thus, there is an advantage of ensuring stable elevating movement and operation reliability.

In addition, there is an advantage in that the loss of the storage space can be minimized because the lift assembly for transmitting power is disposed on both side walls of the storage space.

The drawer door may include a door portion forming a front surface of the door and a drawer portion forming a storage space, and the door portion and the drawer portion may be detachably coupled to each other. The lifting member may include a door-side device provided in the door part and a drawer-side device provided in the drawer part, and when the door part and the drawer part are coupled, the door-side device and the drawer-side device are connected to each other. connected to enable power transmission. Accordingly, assembly and service performance of the drawer door can be improved.

In addition, electric devices requiring power supply, including an elevating motor, are disposed on the door-side device, and the drawer-side device is disposed only on the mechanism side through which power is transmitted, thereby ensuring user safety and improving assembly and serviceability. to make it even better.

In addition, the elevating member is connected to the elevating member, includes an elevating screw and a screw holder for vertically moving the elevating member, and arranges an elevating rail parallel to the elevating screw so that the vertical movement of the elevating member is more stable. It is possible to achieve a stable lifting operation even when heavy food or containers are stored.

In particular, the screw holder and the lifting rail are coupled to one side and the lifting bracket to which the lifting member is coupled to the other side is disposed on both sides of the lifting member so that the lifting member can be moved more stably without tilting. there will be

In addition, a plurality of plates may be provided on inner and outer surfaces of the drawer door to shield components mounted on the drawer door and at the same time to allow the interior and exterior of the drawer door to have a metallic texture. It is possible to improve the appearance by shielding at least a part of the pull-in/out rail of the drawer door or the lifting assembly by the elements.

Also, side covers for shielding the lifting screw and the lifting rail may be provided on both sides of the lifting member. In particular, even during the lifting operation of the lifting member, it is possible to shield the mounting structure including the lifting screw and the lifting rail while moving up and down together with the lifting member, so that the appearance of the drawer door is improved and the user's body or food is not damaged. It can prevent safety problems from being caught.

1 is a front view of a refrigerator according to an embodiment of the present invention.
2 is a perspective view of a drawer door according to an embodiment of the present invention.
3 is a perspective view in which the container of the drawer door is separated.
4 is an exploded perspective view of a state in which the drawer part and the door part of the drawer door are separated, viewed from the front.
5 is an exploded perspective view of a state in which the drawer part and the door part of the drawer door are separated, viewed from the rear.
6 is an exploded perspective view of the door unit.
7 is an exploded perspective view of the drawer unit.
8 is a perspective view showing the configuration of a lifting assembly built into the drawer door.
9 is an exploded perspective view showing a coupling structure of a drawer-side device in the lifting assembly.
10 is a cut-away perspective view showing a mounting state of the lifting shaft and the lifting rail constituting the lifting assembly.
11 is a perspective view showing a mounting structure of a drawer shaft in the drawer-side device.
12 is a cutaway perspective view showing a power transmission structure of the drawer-side device.
13 is a cutaway perspective view in which a lift shaft and a rail are mounted on the drawer body.
14 is a cutaway perspective view in which plates are mounted on the drawer body.
15 is a cutaway perspective view in which a lift bracket is mounted on the drawer body.
16 is a partial perspective view showing a side cover mounted on the drawer body.
17 is a perspective view of a state in which the drawer door is closed;
18 is a perspective view of a state in which the drawer door is fully opened.
19 is a cross-sectional view of the drawer door in the same state as in FIG. 18;
20 is a perspective view of a state in which the lifting member of the drawer door is completely lifted.
21 is a cross-sectional view of the drawer door in the same state as in FIG. 20;
22 is a perspective view showing the structure of a lifting assembly according to another embodiment of the present invention.
23 is a perspective view of a refrigerator according to another embodiment of the present invention.
24 is a perspective view of a refrigerator according to another embodiment of the present invention.
25 is a perspective view of a refrigerator according to another embodiment of the present invention.

Hereinafter, specific embodiments of the present invention will be described in detail with drawings. However, the present invention cannot be said to be limited to the embodiments in which the spirit of the present invention is presented, and other degenerative inventions or other embodiments included within the scope of the present invention can be easily made by adding, changing, or deleting other components. can suggest

1 is a front view of a refrigerator according to an embodiment of the present invention.

As shown in the drawings, the outer shape of the refrigerator 1 may be formed by a cabinet 10 forming a storage space and a door 2 shielding an open front surface of the cabinet 10 .

* The storage space inside the cabinet 10 may be divided into multiple spaces. For example, the upper space of the cabinet 10 may be partitioned into a refrigerating chamber, and the lower space may be partitioned into a freezing chamber. Of course, the upper space and the lower space may be divided into independent spaces maintained at different temperatures, rather than a refrigerating chamber or a freezing chamber, and may be referred to as an upper space and a lower space.

The door 2 may be composed of a rotary door 20 that opens and closes the upper space by rotation, and a drawer door 30 that opens and closes the lower space by pulling in and out in a drawer manner. The lower space may be partitioned vertically again, and the drawer door 30 may be composed of an upper drawer door 30 and a lower drawer door 30 . And, the outer appearance of the rotary door 20 and the drawer door 30 is formed of a metal material to form an outer appearance exposed to the front.

Although the present invention has been described based on a refrigerator in which the rotary door 20 and the drawer door 30 are disposed together, the present invention is not limited thereto, and is applied to all types of refrigerators provided with a door that is drawn in and out in a drawer manner. will be applicable.

A display 21 may be provided on one front side of the revolving door 20, and the display 21 may have a liquid crystal display structure or an 88-segment structure. In addition, when the exterior of the door 2 is formed of a metal material, the display 21 may be formed to display information by perforating a plurality of fine holes and transmitting light.

In addition, a manipulation unit 22 capable of manipulating automatic rotation or withdrawal of the upper door 2 or the lower door 2 may be provided on one side of the revolving door 20 . The control unit 22 may be integrally provided with the display 21 and may be formed in a touch method or a button method. The control unit 22 can manipulate and input the overall operation of the refrigerator 1, and can manipulate the withdrawal/intake of the drawer door 30 or the elevation of the elevating member 35 inside the drawer door 30. there is.

A control unit 301 may also be provided on the drawer door 30 . The operation unit 301 may be provided on one side of the drawer door 30 located at the bottom of the drawer doors 30, and the operation unit 301 may be configured in a touch or button manner. Of course, the manipulation unit 301 may be configured as a sensor that detects a user's proximity or movement, or may be configured to input a manipulation by a user's motion or voice.

In addition, as shown in the drawing, an operating device 302 is provided at the lower end of the lower drawer door 30 to irradiate an image to the bottom surface to output a virtual switch and input manipulation in a way that the user approaches the corresponding area. may be configured to do so.

Meanwhile, the lower drawer door 30 may be automatically drawn in and out according to the manipulation of the manipulation unit 301 . In addition, according to the operation of the control unit 301, food or containers provided inside the lower drawer door 30 may be moved up and down in a state in which the drawer door 30 is withdrawn.

Hereinafter, the lower drawer door of the present invention will be described in more detail, and unless otherwise specified, the lower drawer door will be referred to as a drawer door.

2 is a perspective view of a drawer door according to an embodiment of the present invention. And, Figure 3 is a perspective view of the container of the drawer door is separated.

As shown in the drawing, the drawer door 30 includes a door part 31 that opens and closes the storage space, and a drawer part coupled to the rear surface of the door part 31 and drawn in and out together with the door part 31. (32) may be included.

The door part 31 is exposed to the outside of the cabinet 10 to form an exterior of the refrigerator 1, and the drawer part 32 is disposed inside the cabinet 10 to form a storage space. can do. Also, the door part 31 and the drawer part 32 may be coupled to each other and drawn in and out together in the forward and backward directions.

The drawer part 32 is always located on the rear surface of the door part 31 and can form a space in which food or containers for storage are accommodated. An inside of the drawer 32 may form a storage space opened upward, and an exterior of the drawer 32 may be formed by a plurality of plates 391 , 392 , and 395 . The plurality of plates 391, 392, and 395 may be made of a metal material such as stainless, and are provided inside as well as outside of the drawer 32 so that the entire drawer 32 has a stainless steel or stainless-like texture. can be formed

In a state in which the drawer door 30 is retracted, a machine room 3 equipped with a compressor and a condenser constituting a refrigerating cycle may be disposed behind the drawer door 30 . Accordingly, the second half of the drawer part 32 may be formed in a shape in which the upper end protrudes more than the lower end, and the rear surface of the drawer part 32 may form an inclined surface 321 .

In addition, pull-out rails 33 capable of guiding the pull-out of the drawer door 30 may be provided on both side surfaces of the drawer unit 32 . The drawer door 30 can be mounted in and out of the cabinet 10 by the pull-out rail 33 . The pull-out rail 33 may be shielded by an outer side plate 391 and not exposed to the outside. The pull-out rail 33 may have a multi-stage extendable rail structure.

In addition, the pull-out rail 33 may be provided at the lower end of both side surfaces of the drawer unit 32, and therefore, it may be understood that the pull-out rail 33 is disposed on the lower surface of the drawer unit 32. . Accordingly, the pull-out rail 33 is provided on the lower surface of the drawer unit 32 and may be referred to as an under rail.

A pull-out rack 34 may be provided on the lower surface of the drawer unit 32 . The pull-out racks 34 may be disposed on both sides, and the drawer door 30 may be automatically drawn in and out in association with the driving of the pull-out motor 14 mounted on the cabinet 10 . That is, when the manipulation unit 22 or 301 is input, the pull-out motor 14 is driven so that the drawer door 30 can be drawn in and out according to the movement of the pull-out rack 34 . At this time, the drawer door 30 can be drawn in and out stably by the pull-out rail 33 .

Of course, the pull-out rack 34 may not be provided in the drawer unit 32, and the user grabs one side of the door unit 31 and pushes or pulls to directly withdraw and withdraw the drawer door 30. will also be possible.

Meanwhile, the inside of the drawer unit 32 may be divided into a front space S1 and a rear space S2. In the front space S1, an elevating member 35 that moves up and down, and a container 36 seated on the elevating member 35 and elevating together with the elevating member 35 may be disposed. Although the container 36 is shown in the form of a basket with an open top, it may have a closed box structure such as a kimchi container, and a plurality of containers may be stacked or arranged side by side.

Also, when the drawer door 30 is pulled out, the entire drawer part 32 cannot be pulled out of the storage space due to the limitation of the drawing distance of the drawer door 30, and at least the front space S1 is drawn out of the storage space, and all or part of the rear space S2 is located inside the storage space inside the cabinet.

In this structure, the withdrawal distance of the drawer door 30 can be limited by the pull-out rack 34 or the pull-out rail 33, and as the draw-out distance increases, the drawer door 30 moves in a drawn-out state. This is because the moment applied to increases, making it difficult to maintain a stable state and may cause deformation or damage of the pull-out rail 33 or the pull-out rack 34 .

An elevating member 35 is accommodated in the front space S1, and the elevating member 35 moves up and down so that the food or container 36 seated on the elevating member 35 moves up and down together. can be configured. Components for lifting the lifting member 35 may be located on both left and right sides of the drawer unit 32, and may be shielded by a side cover 353 that moves up and down together with the lifting member 35. .

A separate drawer cover 37 may be provided in the rear space S2. The front space S1 and the rear space S2 may be partitioned by the drawer cover 37 . In a state in which the drawer cover 37 is mounted, the front and upper surfaces of the rear space S2 may be shielded and not used. However, when the drawer cover 37 is separated, access to the rear space S2 is possible, and food can be stored in the rear space S2. To utilize the rear space S2, a separate pocket or a container corresponding to the shape of the rear space may be disposed in the rear space S2.

4 is an exploded perspective view of a state in which the drawer part and the door part of the drawer door are separated, viewed from the front. 5 is an exploded perspective view of a state in which the drawer part and the door part of the drawer door are separated, viewed from the rear.

As shown, the door part 31 and the drawer part 32 constituting the drawer door 30 may have a structure capable of being detachably coupled to each other. Assembly workability and serviceability can be improved through the detachable structure of the door part 31 and the drawer part 32 .

The rear surface of the door part 31 and the front surface of the drawer part 32 may be coupled to each other, and power for lifting the lifting member 35 when the door part 31 and the drawer part 32 are coupled It can be configured to provide. The lifting assembly 40 for lifting the lifting member 35 may be disposed on the door part 31 and the drawer part 32, respectively, and the door part 31 and the drawer part 32 are coupled. And it may have a structure that is selectively connected according to separation.

To this end, the lifting assembly 40 may include a door-side device 41 provided on the door part 31 and a drawer-side device 42 provided on the drawer part 32 . The door-side device 41 is provided inside the door part 31, and a door connection member 416, which is a component of the door-side device 41, may be exposed on the rear surface of the door part 31. there is. Further, the drawer-side device 42 is provided in the drawer unit 32, and the drawer connection member 471 is exposed at a position corresponding to the door connection member 416 on the front surface of the drawer unit 32. may be provided. The door connection member 416 and the drawer connection member 471 are formed in shapes corresponding to each other, can be separated from each other, and can have a structure in which power can be transmitted in a coupled state. When the door part 31 is fixed to the drawer part 32, they are coupled to each other, and when the door part 31 is separated from the drawer part 32, they can be separated together.

That is, a protrusion 471a and a groove 416a may be formed on the door connecting member 416 and the drawer connecting member 471, respectively, and the protrusion 471a and the groove 416a have a polygonal shape or power. It may be formed in a shape capable of being delivered so as to interlock with each other.

In addition, a lift motor 411 serving as a power source of the lift assembly 40 may be provided inside the door unit 31 . And, a door cover 315 may be formed above the space where the lifting motor 411 is provided. The door cover 315 may be provided on a rear surface of the door part 31 and may be configured to shield the door-side device 41 including the lifting motor 411 provided in the door part 31. .

That is, after mounting the door-side device 41 including the lifting motor 411 and the door connecting member 416 on the rear surface of the door part 31 and shielding it with the door cover 315, the door part (31) can be configured to be assembled. The door cover 315 may be configured to shield the entire rear surface of the door unit 31 or may be formed to shield only an area corresponding to the door side device 41 .

In addition, a pair of door frames 316 may be provided on the rear surface of the door 2, and the door part 31 and the drawer part 32 are coupled to each other by the door frame 316. be able to keep

Hereinafter, the door part 31 and the drawer part 32 constituting the drawer door 30 will be described in more detail with reference to drawings.

6 is an exploded perspective view of the door unit.

As shown in the drawing, the door part 31 includes an outer case 311 forming the front and part of the circumferential surface, a door liner 314 forming the rear surface, and an upper deco 312 forming the upper and lower surfaces. ) and the lower deco 313 may form the exterior. Further, an insulator may be filled inside the door part 31 , and a space in which the door side device 41 constituting a part of the lifting assembly 40 is mounted is provided.

The outer case 311 may be formed by bending a plate-shaped metal material, and an inclined portion 311a may be formed at the lower end of the front surface. An operating device hole 311b may be formed at one side of the inclined portion 311a, and an operating device 302 for outputting a virtual switch and sensing a user's manipulation may be mounted in the operating device hole 311b. . The operating device 302 may be composed of a projector light capable of outputting an image, a proximity sensor, and the like. In addition, an operating unit bracket 313a may be provided inside the lower deco 313 for mounting the operating device 302 and arranging wires connected to electric components inside the door unit 31.

The door liner 314 may be injection-molded of a plastic material, and a recessed portion 314a may be formed to mount the door-side device 41 including the lifting motor 411 therein. In addition, a door cover 315 is mounted on the door liner 314 to shield the door side device 41 and the recessed portion 314a mounted on the door unit 31 .

A cold air inlet 315b may be formed at an upper portion of the door cover 315, and the cold air inlet 315b is larger than the top of the drawer 32 when the door 31 and the drawer 32 are coupled. At least a part may be exposed further upward. Accordingly, some of the cold air supplied to the drawer part 32 may flow into the door cover 315 through the cold air inlet 315b. Also, a cold air outlet 315c may be formed at a lower portion of the door cover 315 . The cold air outlet 315c is opened downward between the door part 31 and the drawer part 32, and thus the cold air introduced into the door cover 315 flows to the lower part of the drawer part 32. be able to make it happen

That is, the door cover 315 forms a flow and circulation passage of cold air in front of the drawer part 32, and the drawer part 32 is inserted into the storage space of the cabinet 10. In this case, cold air is circulated around the drawer part 32 so that the drawer part 32 can be cooled more efficiently.

In addition, a connecting member hole 315a may be formed on the rear surface of the door part 31 . The connection member hole 315a may be formed on the door cover 315, and the door connection member 416 may be exposed to the rear surface of the door part 31 through the connection member hole 315a. there is. Meanwhile, the door connecting member 416 may move forward and backward according to the user's manipulation, and when the door part 31 and the drawer part 32 are separated by the user's manipulation, the door connection member 416 is connected to the door. The member 416 and the drawer connection member 471 may be separated.

The door side device 41 may be provided in the door part 31 . The door-side device 41 is a component disposed on the door part 31 of the lifting assembly 40, and includes a motor assembly 412 including the lifting motor 411 and gears provided inside the case. , the door-side shaft 413 rotated by the motor assembly 412, the door-side first gear 414 having a bevel gear shape provided at both ends of the door-side shaft 413, and the door-side first gear ( 414) and a door-side second gear 415 having a bevel gear shape coupled to the door connecting member 416. Each component of the door-side device 41 will be described in more detail below.

The motor assembly 412 may be composed of a single motor assembly composed of one motor and gears if it can provide sufficient power for the lifting of the lifting member 35, but if it is impossible to provide sufficient torque As shown in FIG. 6, a pair of motor assemblies 412 may be disposed side by side in parallel, and a pair of door-side shafts 413 may be coupled to respective motor assemblies. In addition, the motor assembly 412 may be disposed in a horizontal shape with the front surface of the door unit 31 to minimize a recessed space inside the door unit 31 .

Meanwhile, a pair of door frames 316 may be provided on both left and right sides of the rear surface of the door unit 31 . The door frame 316 connects the door part 31 and the drawer part 32 and may be configured to maintain a state in which the drawer part 32 is coupled to the door part 31 .

In detail, the door frame 316 may be composed of a door frame part 316a fixed to the rear surface of the door part 31 and a drawer frame part 316b fixed to the lower surface of the drawer part 32, The door frame part 316a and the drawer frame part 316b may have a structure that crosses each other vertically. Further, a frame reinforcement part 316c may be further formed to prevent deformation of the door frame 316 by connecting the door frame part 316a and the drawer frame part 316b.

The door frame part 316a may be mounted on the rear surface of the door part 31, or is provided inside the door part 31 so that the drawer frame part 316b penetrates the rear surface of the door part 31. It may also be configured to extend. Also, the drawer frame part 316b may extend rearward from the lower end of the door frame part 316a and support the drawer part 32 from below.

In addition, a gasket 317 may be provided around the rear surface of the door liner 314 to contact the front end of the cabinet 10 and seal the storage space.

7 is an exploded perspective view of the drawer unit.

As shown in the drawing, the drawer unit 32 is provided on the drawer body 38 forming the overall shape of the drawer unit 32 and the drawer body 38 and constitutes the lifting assembly 40. and a plurality of plates 391 , 392 , and 395 forming the inside and outside of the drawer unit 32 .

Looking at this in more detail, the drawer main body 38 may be injection-molded with a plastic material, and forms the overall shape of the drawer unit 32 . The drawer body 38 has a basket shape with an open upper surface, and forms a storage space for food therein. An inclined surface 321 may be formed on the rear surface of the drawer main body 38, and thus interference with the machine room 3 may not occur.

The door frame 316 may be mounted on both sides of the drawer unit 32 . The door frame 316 may be coupled to both sides of the lower surface or lower portions of both left and right sides of the drawer unit 32, and the drawer unit 32 and the door unit 31 may be integrally coupled to be drawn in and out together. .

Draw-out racks 34 may be provided on both left and right sides of the lower surface of the drawer unit 32 . The drawer unit 32 can be drawn in and out in the forward and backward directions by the pull-out rack 34 . In detail, at least a part of the drawer unit 32 is located inside the storage space in a state of being mounted on the cabinet 10 . Also, the pull-out rack 34 may be coupled with the pinion gear 141 provided on the bottom surface of the storage space. Therefore, when the pull-out motor 14 is driven, the pinion gear 141 rotates, the pull-out rack 34 can be moved, and the drawer door 30 can be drawn in and out.

Of course, the drawer door 30 is not automatically drawn in and out, and the user may pull in and out by pushing or pulling the drawer door 30. In this case, the pull-out rack 34 is omitted and the pull-out rail Withdrawal may be guided only by (33).

A plurality of reinforcing ribs 381 may extend horizontally and vertically on both left and right sides of the drawer body 38 . The reinforcing rib 381 prevents the drawer body 38 from being deformed by a load applied to the left and right side surfaces of the drawer body.

In particular, the main components for the elevation of the elevation member 35, that is, the elevation shaft 43 and the elevation rail 44 may be provided on both sides of the drawer body 38, and thus the elevation member 35 and When the food or container seated on the lifting member 35 is lifted, loads may be concentrated on both sides of the drawer body 38 . The reinforcing rib 381 can maintain the shape of the drawer main body 38 and the drawer part 32 even under such a concentrated load.

Meanwhile, a rail mounting portion 382 to which a pull-out rail 33 for guiding the pull-out of the drawer body 38 is mounted may be formed below both sides of the drawer body 38 . The rail mounting portion 382 extends from the front end to the rear end, and a space may be formed therein to accommodate the pull-out rail 33 . The pull-out rail 33 is a rail extending in multiple stages, one end of which can be fixed to the storage space inside the cabinet 10, and the other end of which is fixed to the rail mounting portion 382 to move the drawer door 30. Withdrawals can be made more stable.

Meanwhile, a mounting portion 383 on which the lifting shaft 43 and the lifting rail 44, which are main components of the drawer-side device 42, are mounted may be recessed inside both side surfaces of the drawer body 38. The mounting portion 383 may be recessed inward and may include a shaft groove 383a in which the elevating shaft 43 is disposed and a rail groove 383b in which the elevating rail 44 is disposed. The elevating shaft 43 and the elevating rail 44 are located outside the inner surface of the drawer body 38 in a state in which they are mounted on the mounting part 383, so that they do not interfere with the elevation of the elevating member 35. do.

The lower surface of the mounting part 383 is formed to support the lower end of the elevating shaft 43 . Also, the upper surface of the mounting part 383 may be opened so that when the lifting rail 44 is extended, the lifting rail 44 may protrude through the opened upper surface of the mounting part 383 .

Also, a mounting bracket 46 may be provided on the open upper surface of the mounting unit 383 . The mounting bracket 46 is made of a metal material to support the upper end of the lift shaft 43 and at the same time allow the lift rail 44 to pass therethrough. That is, the open upper surface of the mounting part 383 is shielded by the mounting part bracket 46, and the elevating shaft 43 can be mounted inside the mounting part 383 in a rotatable state.

The elevating shaft 43 and the elevating rail 44 may be combined with the elevating bracket 45 , and the elevating bracket 45 may be moved up and down by rotation of the elevating shaft 43 . The elevating shaft 43 and the elevating rail 44 may be combined with the elevating bracket 45 while being mounted on the mounting portion 383 . In addition, the elevating bracket 45 may be connected to the elevating plate 351 constituting the elevating member 35, and the elevating member 35 may be moved up and down according to the vertical movement of the elevating bracket 45. .

Meanwhile, shaft mounting parts 384 may be formed on outer surfaces of both sides of the drawer body 38 . The shaft mounting portion 384 provides a space in which the drawer-side shaft 47 is disposed, and the drawer-side shaft 47 is rotatably mounted.

The shaft mounting portion 384 may open outward from the upper end of both side surfaces of the drawer body 38, and may be formed to communicate with the shaft groove 383a more specifically than the mounting portion 383. Accordingly, the drawer-side shaft 47 mounted on the shaft mounting portion 384 is coupled with the elevating shaft 43 mounted on the mounting portion 383 to enable power transmission.

The drawer body 38 may include a drawer side device 42 constituting a part of the lifting assembly 40 . In addition, the lifting member 35, the lifting shaft 43, and the lifting rail 44 of the drawer side device 42 are disposed on the inner surface of the drawer body 38, and the drawer side shaft 47 It may be disposed outside the drawer body 38 . The specific structure of the drawer-side device 42 will be described in more detail below.

Further, the drawer body 38 may include a plurality of plates 391 , 392 , and 395 made of a plate-shaped metal material such as stainless and forming at least a part of the inner and outer surfaces of the drawer body.

In detail, outer side plates 391 may be provided on both left and right sides of the outside of the drawer body 38 . The outer side plate 391 is mounted on both left and right sides of the drawer body 38 to form the appearance of both sides. In particular, the drawer side shaft 47 and the pull-out rail mounted on both sides of the drawer body 38 Components such as (33) may not be exposed to the outside.

Inner side plates 392 may be provided on both left and right sides of the inner side of the drawer body 38 . The inner side plate 392 is mounted on both left and right surfaces of the drawer body 38 and may form inner left and right both sides. Also, an upper bent portion 392a may be formed at an upper end of the inner side plate 392 , and the upper bent portion 392a may shield upper ends of both side surfaces of the drawer body 38 . In addition, the extended end of the upper bent portion 392a may come into contact with the upper end of the outer side plate 391, and thus, the drawer body ( 38).

A side opening 394 having a size corresponding to that of the mounting portion 383 may be formed in the inner side plate 392 . Therefore, in a state where the inner side plate 392 is mounted, the lifting shaft 43 and the lifting rail 44 mounted on the mounting part 383 may be exposed to the inside of the drawer body 38, and the lifting Interference can be prevented during coupling with the member 35 and elevation of the lifting member 35 .

In addition, a rail access portion 394a through which the elevating rail 44 enters and exits may be further formed at the upper end bent portion 392a contacting the upper end of the side opening 394 . The rail access part 394a may be formed in a shape corresponding to the cross-sectional shape of the lift rail 44 at the upper end bent part 392a, and when the lift member 35 rises, the lift rail 44 can come in and out.

An inner plate 395 may be provided on the inner front, bottom and rear surfaces of the drawer body 38 . The inner plate 395 may include a front portion 395a, a bottom portion 395b, and a rear portion 395c having sizes and shapes corresponding to the inner front, bottom, and rear surfaces of the drawer body 38. The inner plate may be formed by bending a plate-shaped stainless material to form the inner surface of the drawer body 38 except for the left and right side surfaces. In addition, both left and right ends of the inner plate 395 may be formed to contact the inner side plate 392 . Of course, the front part 395a, the lower part 395b, and the rear part 395c constituting the inner plate 395 may be configured separately and coupled or contacted with each other.

An entire inner surface of the drawer body 38 may be formed by the inner side plate 392 and the inner plate 395, and the inner surface of the drawer body 38 may provide a metallic texture. Therefore, the storage space inside the drawer unit 32 may have a metal texture as a whole, and the food stored therein may be stored cold in a more even area as a whole, as well as visually superior cooling and storage performance to the user. can provide.

In addition, upper bent portions 395d and 395e bent outward may be further formed at upper ends of the front portion 395a and the rear portion 395c of the inner plate 395, respectively, and the front and rear ends of the drawer body 38 The upper surface of the rear end can be shielded. In addition, the rear part 395c is formed to have a shape corresponding to the inclined surface 321 of the rear surface of the drawer body 38 and can adhere to the inclined surface 321 of the drawer body 38 .

In addition, a bottom opening 395f may be further formed at the rear end of the lower surface portion 395b adjacent to the lower end of the rear surface portion 395c. The lower surface opening 395f may be formed to be opened at a position corresponding to the cover support 388 protruding from the lower surface of the drawer body. Therefore, the cover support part 388 can be exposed through the lower surface opening 395f, and the lower end of the drawer cover 37 is coupled to the cover support part 388 so that the drawer cover 37 can be mounted. make it possible

The drawer cover 37 is bent at an upper end of the cover front portion 371 and the cover front portion 371 that divides the inside of the drawer body 38 into a front space S1 and a rear space S2. , It may include a cover upper surface portion 372 for shielding the upper surface of the rear space (S2).

That is, when the drawer cover 37 is mounted, only the front space S1 where the elevating member 35 is disposed may be exposed inside the drawer main body 38, and the rear space S2 is the drawer. It can be shielded by the cover 37.

A lower end of the cover front part 371 may be coupled to the cover support part 388 . Also, a plurality of cover restraining parts 373 may be formed along both left and right ends of the drawer cover 37 . The cover restraining part 373 may be formed at a position corresponding to a plurality of cover restraining protrusions 385 protruding inward from the inner surface of the drawer body 38 . The cover restraining protrusion 385 can protrude through the protruding hole 392b formed in the inner side plate 392 .

Also, the cover restraining part 373 may be press-fitted into the cover restraining protrusion 385, and when the drawer cover 37 is mounted, the cover restraining protrusion 385 and the cover restraining part 373 are coupled to each other. so that the drawer cover 37 can be fixed.

Meanwhile, an elevating member 35 may be provided inside the drawer body 38 . The lifting member 35 may be included as one component of the lifting assembly 40 . The lifting member 35 may be formed in a size that can be accommodated inside the front space S1 of the bottom surface of the drawer body 38 .

In addition, the elevating member 35 may be formed in a rectangular plate shape, substantially include an elevating plate 351 for supporting food or containers, and an elevating plate 351 supporting the elevating plate 351 from below and reinforcing strength. A frame 352 and a lifting bracket 45 extending upward from both sides of the lifting plate 351 to shield the lifting shaft 43 and the lifting rail 44 may be included. The elevating member 35 is a portion on which food or container 36 is substantially seated and supported, and may also be referred to as a seating member.

The elevating plate 351 may be formed in a rectangular plate shape, and may have a circumferential portion 351a protruding upward along the circumference. The lower surface of the circumferential portion 351a is open to accommodate the elevating frame 352 therein. In addition, lift bracket mounting portions 351b to which the lift brackets 45 can be mounted may be formed on left and right side surfaces of the circumferential portion 351a. Also, the lifting bracket mounting portion 351b may be cut to expose a side surface of the lifting frame 352 . Lifting brackets 45 may be mounted on both side surfaces of the lifting frame 352 through the lifting bracket mounting portion 351b.

The lifting bracket 45 may be formed in a plate shape, and is formed to have a size corresponding to or larger than at least the size of the mounting portion 383, and includes the mounting portion 383 and the lifting shaft 43 mounted on the mounting portion 383. And the elevating rail 44 is prevented from being exposed to the storage space inside the drawer unit 32 . Also, the elevating bracket 45 may extend upward more than the upper end of the side of the drawer body 38, and the extended upper end of the elevating bracket 45 may be bent outward. Therefore, the side surface of the mounting part 383 as well as the open top surface of the mounting part 383 and the mounting part bracket 46 mounted on the upper end of the drawer body 38 can be shielded from above by the lifting bracket 45. can

One side of the elevating bracket 45 may be fixed to the elevating frame 352 and the other side may be coupled to the elevating rail 44 and the elevating shaft 43 . Therefore, when the elevating shaft 43 and the elevating rail 44 operate, the elevating frame 352 connected by the elevating bracket 45, that is, the elevating member 35, together with the elevating bracket 45 can be moved up and down.

A side cover 353 may be further provided on an inner surface of the elevating bracket 45 . The side cover 353 may be formed in a size corresponding to or larger than that of the lifting bracket 45 and may be formed of the same metal material as the inner side plate 392 or a material having a metallic texture.

The side cover 353 may be formed to shield the elevating bracket 45 and the mounting portion 383 in a mounted state. Accordingly, the exterior of the inside of the drawer body 38 can be configured to be more luxurious and have a sense of unity. Also, the upper end of the side cover 353 may be bent outward so as to shield up to the bent upper end of the elevating bracket 45 . Also, the outer circumference of the side cover 353 may be bent so as to surround and fix the circumference of the elevating bracket 45 .

Meanwhile, the drawer side device 42 disposed on the drawer body 38 of the lifting assembly 40 may be mounted on the drawer body 38 . The drawer side device 42 includes the elevating member 35, the elevating shaft 43 and the elevating rail 44 disposed on both sides of the elevating member 35 and mounted inside the mounting part 383. , The elevating bracket 45 and the drawer-side shaft 47 may be included.

Hereinafter, the structure of the lifting assembly 40 will be described in more detail with reference to the drawings.

8 is a perspective view showing the configuration of a lifting assembly built into the drawer door.

As shown in the drawing, the lifting assembly 40 may be composed of a door-side device 41 disposed on the door part 31 and a drawer-side device 42 disposed on the drawer part 32 as a whole. there is. Further, the door side device 41 and the drawer side device 42 are coupled to each other by the coupling of the door part 31 and the drawer part 32, and power can be transmitted.

As described above, the door side device 41 includes a motor assembly 412 including a lifting motor 411, a door side shaft 413 coupled to and rotated with the motor assembly 412, and the door The door-side first gear 414 provided at both ends of the side shaft 413, the door-side second gear 415 engaged with the door-side first gear 414, and the door-side second gear 415 A combined door connection member 416 may be included.

In FIG. 8, although one motor assembly 412 is described as an example, when it is determined that a higher torque is required for the lifting of the lifting member 35, a pair of motor assemblies 412 as shown in FIG. 6 ) may be configured to be provided. Further, in FIG. 8 , the motor assembly 412 is disposed perpendicularly to the front surface of the door part 31, but is disposed horizontally with the door part 31 to reduce adiabatic space loss of the door part 31. can also be minimized.

The drawer-side device 42 is disposed on both sides of the lifting member 35 provided inside the drawer body 38 and the lifting member 35 to raise and lower the lifting member 35. The lifting shaft 43, the lifting rail 44, the lifting frame 352, the lifting bracket 45, and the outside of the drawer body 38 are provided to apply the rotational force of the door side device 41 to the lifting/moving It may include a drawer-side shaft 47 for transmission to the shaft 43.

When the motor assembly 412 is driven, the rotational force of the door-side shaft 413 can be transmitted to the drawer-side device 42 by the door connecting member 416 and the drawer connecting member 471 coupled to each other. there is. Rotation of the drawer connecting member 471 causes the drawer-side shaft 47 to rotate, and the elevating shaft 43 coupled with the drawer-side shaft 47 to rotate. The rotation of the elevating shaft 43 may move the shaft holder 48 coupled to the elevating shaft 43 up and down.

The shaft holder 48 and the elevating rail 44 are coupled to the elevating bracket 45 to elevate the elevating bracket 45, and the elevating brackets 45 on both the left and right sides of the elevating frame It is possible to elevate the elevating member 35 in a coupled state.

That is, the rotational force of the motor assembly 412 is transmitted to the drawer-side shaft 47 through the door-side shaft 413 and rotates the elevating shaft 43, and the shaft holder 48 and the elevating/moving shaft The rail 44 guides the elevating member 35 to be moved in the vertical direction.

Hereinafter, the detailed structure of each component of the drawer-side device 42 will be described in more detail with reference to drawings.

9 is an exploded perspective view showing a coupling structure of a drawer-side device in the lifting assembly. And, Figure 10 is a cutaway perspective view showing a mounted state of the lift shaft and the lift rail constituting the lift assembly.

As shown in the drawing, the lifting shaft 43 and the lifting rail 44 may be mounted inside the mounting part 383 . The elevating rail 44 may have a structure capable of being extended in multiple stages in the vertical direction.

For example, the elevating rail 44 includes a fixed rail 441 mounted on the rail groove 383b, a movable rail 442 fixedly mounted on the elevating bracket 45, and the fixed rail 441. An intermediate rail 443 connecting the rails 442 may be included. The intermediate rail 443 may be disposed inside the fixed rail 441 and the movable rail 442 may be disposed inside the intermediate rail 443, and the fixed rail 441 and The middle rail 443 and the movable rail 442 may have an overlapping structure. In addition, a plurality of bearing balls 444 are disposed inside and outside the intermediate rail 443 so that the intermediate rail 443 and the movable rail 442 can slide in the vertical direction, and the elevating member 35 ) It is possible to provide a stroke for the up and down elevation of the.

The position at which the elevation rail 44 is disposed corresponds to the center of the front and rear directions of the front space S1, and thus guides the up and down movement at a position corresponding to the central portion of both sides of the elevation member 35. It allows the elevating member 35 to be stably lifted without tilting.

* Also, the elevation shaft 43 may be disposed on the side of the elevation rail 44 . The elevating shaft 43 may be accommodated inside the mounting part 383 and may be located in the shaft groove 383a. In addition, since a screw thread 431 is formed on an outer circumferential surface of the elevating shaft 43 , the shaft holder 48 can move vertically along the elevating shaft 43 when the elevating shaft 43 rotates.

A lower spacer 432 rotatably supporting the elevating shaft 43 may be provided below the elevating shaft 43 . The lower spacer 432 may be fixed to a bottom surface of the mounting part 383, and a lower protrusion 437 protruding from a lower end of the elevating shaft 43 may be inserted. The lower spacer 432 may have a structure like a bearing.

The elevating shaft 43 may extend to an upper end of the mounting portion 383, and an upper protrusion 435 extending upward may be formed at an upper end of the elevating shaft 43. Also, a shaft gear 434 and an upper spacer 433 may be respectively mounted through the upper protrusion 435 .

In detail, the shaft gear 434 is formed in the shape of a bevel gear, and may be disposed on a lower portion 435a having a polygonal cross section among the upper protrusions 435 . Accordingly, the shaft gear 434 may have a structure capable of rotating together with the elevating shaft 43 . Further, the shaft gear 434 may be gear-coupled with the drawer-side gear 472 mounted on the drawer-side shaft 47 in a state of perpendicular crossing, and receive power from the drawer-side shaft 47. can

Also, the upper spacer 433 may be disposed on an upper portion 435b having a circular cross section of the upper protrusion 435 . The upper spacer 433 rotatably supports an upper end of the elevating shaft 43 and may be fixedly mounted to a spacer fixing member 436 provided above the elevating shaft 43 . Also, the spacer fixing member 436 may be fixedly mounted to the mounting bracket 46 . Accordingly, the upper and lower ends of the elevating shaft 43 can be rotatably supported by the upper spacer 433 and the lower spacer 432 .

The mounting part bracket 46 shields the open upper surface of the mounting part 383 and may be mounted on upper ends of both side surfaces of the drawer body 38 . Also, a bracket hole 461 into which a fixing protrusion 436a of the spacer fixing member 436 is inserted may be formed at one side of the mounting bracket 46 corresponding to an upper end of the elevating shaft 43 .

Also, a bracket cutout 462 may be further formed on one side of the mounting bracket 46 corresponding to the upper side of the lift rail 44 . When the elevation rail 44 is extended upward to raise the elevation member 35 , the elevation rail 44 may pass through the bracket cutout 462 and extend upward.

The shaft holder 48 coupled to the elevating rail 44 and the elevating shaft 43 may be coupled to the elevating bracket 45 .

The elevating bracket 45 is formed in a plate shape, and may be formed of a metal material to withstand a load when the elevating member 35 on which food or container 36 is seated is lifted. Also, the elevating bracket 45 may be disposed between the side cover 353 and the inner surface of the drawer body 38 . The elevating bracket 45 may be coupled to one side of the elevating member 35 and coupled to the elevating rail 44 and the shaft holder 48 so that the elevating member 35 can be moved up and down. do.

The elevating bracket 45 includes an upper bracket 451 forming an upper shape, a lower bracket 452 forming a lower shape, and a bracket intermediate portion forming between the upper bracket 451 and the lower bracket 452 ( 453).

The upper portion of the bracket 451 is located at the center of the elevating bracket 45 in the horizontal direction and may be formed to be combined with a fixed rail 441 among the elevating rails 44 . The horizontal width of the upper bracket 451 may be formed to be at least equal to or wider than the horizontal width of the fixed rail 441, and the width is narrower than that of the middle portion of the bracket 453 and the lower portion of the bracket 452. It could be.

Also, a rail coupling part 454 may be formed on the upper portion 451 of the bracket. The rail coupling part 454 may be formed to be engaged with one side of the fixed rail 441 . The rail coupling portion 454 may be formed such that a portion of the bracket upper portion 451 is cut, and the cut portion may be bent to provide a coupling structure with the movable rail 442 . Also, a screw hole 455 is formed at the bottom of the rail coupling part 454 so that the elevating bracket 45 and the fixed rail 441 can be coupled with a screw again. The screw hole 455 may be further provided in the middle portion 453 of the bracket or the lower portion 452 of the bracket, and may be stably coupled to the elevating rail 44 by a plurality of screws. When the lift rail 44 is fixedly mounted on the upper portion of the bracket 451 , the lift rail 44 may be arranged to extend vertically from the center of the lift bracket 45 .

Also, a rail shielding portion 456 may be formed at an upper end of the bracket upper portion 451 . The rail shielding part 456 may be formed by bending an upper end of the bracket upper part 451 outward, and the bent length may be formed to a length capable of shielding at least the entire upper surface of the elevating rail 44. there is.

The lower bracket 452 may be formed to be substantially coupled to the elevating member 35 , particularly the elevating frame 352 . The lower portion of the bracket 452 is formed equal to or slightly smaller than the side length of the elevating member 35, and is coupled with the side surface of the elevating member 35 as a whole to enable stable lifting movement of the elevating member 35. . In detail, the lower bracket 452 may be in contact with the side surface of the elevating member 35, and the lower end of the bracket lower 452 is bent inward to form a lower surface of the elevating member 35 or the elevating frame 352. A bracket coupling part 457 on which the lower surface is seated may be formed. The lower bracket 452 may be coupled to the elevating frame 352 or the elevating member 35 and may be configured to support both ends of the elevating member 35 .

The middle portion 453 of the bracket connects the upper bracket 451 and the lower bracket 452, and may have a narrower horizontal width than the lower bracket. In addition, the width of the middle portion of the bracket 453 may be formed at least to a degree capable of providing a structure in which the shaft holder 48 can be fixedly mounted at any position on both left and right sides of the elevating rail 44. . The middle portion of the bracket 453 extends upward to have a constant width from the lower end, and may be formed such that its width narrows as it extends upward from a portion to which the shaft holder 48 is coupled.

A holder opening 458 to which the shaft holder 48 is mounted and a holder support part 459 may be formed in the middle part 453 of the bracket, and the holder opening 458 and the holder support part 459 are formed in the lifting bracket. The same structure may be provided at symmetrical positions on both left and right sides based on the elevating rail 44 mounted at the center of (45). Accordingly, the lifting brackets 45 provided on both left and right sides of the drawer body 38 may have the same structure, and are molded into the same structure regardless of left and right sides so that they can be used in common.

The holder opening 458 may be formed in a shape corresponding to the cross-sectional shape of the shaft holder 48, and may be formed in a shape having at least one angle or a polygonal shape so that the shaft holder 48 does not rotate. It can be fixed while being inserted into the holder opening 458.

Also, the holder support portion 459 may extend rearward from an upper end of the holder opening 458 and may extend to contact the upper surface of the shaft holder 48 . Also, the rear end of the holder support part 459 forms a recessed part 459a so as not to interfere with the elevating shaft 43 . The depression 459a may be formed in a shape corresponding to the through hole 481 of the shaft holder 48 .

Therefore, when the shaft holder 48 ascends or descends, the force transmitted through the shaft holder 48 may act on the circumferential surface of the holder opening 458, and in particular, when the shaft holder 48 ascends, The elevating bracket 45 can be raised by pushing up the holder support part 459 from below.

Meanwhile, screw holes 458a may be further formed at both sides of the lower end of the holder opening 458 . Screws passing through the screw holes 458a on the outside of the lifting bracket 45 are fastened to screw fastening parts 482 provided on both sides of the lower end of the shaft holder 48 so that the shaft holder 48 moves up and down. To be more firmly fixed to the bracket (45).

* In this way, each part of the shaft holder 48 can be firmly coupled to the elevating bracket 45 by the inner surface of the holder opening 458, the holder support part 459, and a screw, and the The shaft holder 48 and the lifting bracket 45 may be lifted together.

Therefore, when the shaft holder 48 moves vertically along the screw, the force applied to the shaft holder 48 can be effectively transmitted to the elevating bracket 45 . In addition, even if a force for lifting is applied through the shaft holder 48 at a position somewhat eccentric from the center of the lifting member 35, the lifting member ( 35) enables stable elevation without tilting.

In addition, the side covers 353 may be coupled to both sides of the elevating plate 351 and the elevating frame 352 . A bracket accommodating portion 353a having a shape corresponding to that of the elevating bracket 45 may be formed on an outer surface of the side cover 353 . Accordingly, the elevating bracket 45 may be tightly fixed to the side cover 353, and the elevating bracket 45 and the side cover 353 may be lifted together.

In addition, a protrusion 353b corresponding to the recessed groove 457a at the lower end of the lifting bracket 45 is formed inside the bracket accommodating portion 353a, so that the elevating bracket 45 is attached to the bracket accommodating portion 353a. ) so that it can be more firmly fixed on the inside of the In addition, a bracket opening 353c may be formed inside the bracket accommodating portion 353a at a position corresponding to the plurality of screw holes 455 and 458a, and the screw 353c fastened to the lifting bracket 45 may It can be fastened inside the side cover 353, and thus the elevating bracket 45 and the side cover 353 can be firmly fixed. At this time, the side cover 353 is formed of a plastic material, and a separate cover plate 354 is further provided inside the side cover 353 to cover the entire inner surface and upper surface of the side cover including the bracket opening. can be shielded.

11 is a perspective view showing a mounting structure of a drawer shaft in the drawer-side device. 12 is a cutaway perspective view showing a power transmission structure of the drawer-side device.

As shown in the drawing, a shaft mounting portion 384 may be formed at an upper end of both side surfaces of the drawer body 38 . The shaft mounting portion 384 may be located in an area between the front surface of the drawer body 38 and the mounting portion 383, and the drawer-side shaft 47 may be disposed.

Further, the shaft mounting part 384 includes a front opening 384a in which at least a part of the front end is opened to communicate with the front surface of the drawer body 38, and at least a part of the rear end to communicate with the mounting part 383. may include an open rear opening 384b.

Also, the drawer-side shaft 47 may be disposed on the shaft mounting portion 384 . Further, a shaft fixing member 386 may be provided to fix the drawer-side shaft 47, and a mounting portion 384c for mounting the shaft fixing member 386 may be further formed.

In detail, the drawer-side shaft 47 may extend from the front opening 384a to the rear opening 384b. Also, the drawer connecting member 471 is coupled to the front end of the drawer-side shaft 47, and the drawer connecting member 471 is exposed to the front of the drawer unit 32 through the front opening 384a. can And, as described above, the drawer connection member 471 may be coupled to the door connection member 416 when the door unit 31 and the drawer unit 32 are coupled, and the door side device 41 It can be rotated together according to the driving of.

Also, a drawer-side gear 472 may be provided at the rear end of the drawer-side shaft 47 . The drawer-side gear 472 is formed in a bevel gear shape and can be coupled to the shaft gear 434 through the rear opening 384b. That is, the drawer-side shaft 47 and the elevating shaft 43 disposed to cross each other vertically may be connected to each other by the drawer-side gear 472 and the shaft gear 434, so that power can be transmitted. do.

Also, a shaft fixing member 386 may be provided on the drawer-side shaft 47 . A pair of the shaft fixing members 386 may be provided on both left and right sides, and may play a role of supporting the drawer-side shaft 47 to be rotatable in a state where the shaft 47 is not tilted or moved. The shaft fixing member 386 may include a through portion 386a in which a through hole 386c through which the drawer-side shaft 47 passes is formed, and upper and lower portions of the through portion 386a are screwed together. A fixed end 386b may be formed.

In addition, a shaft support member 386d may be provided inside the through portion 386a. The shaft support member 386d supports the circumference of the drawer-side shaft 47 and may be formed in a bearing structure penetrated by the drawer-side shaft 47 . Therefore, the shaft fixing member 386 stably supports the drawer-side shaft 47 and enables the drawer-side shaft 47 to be mounted in a rotatable state.

A pair of the mounting parts 384c may be disposed on the shaft mounting part 384 and may be coupled to the shaft fixing member 386 . The mounting part 384c is recessed in the center so that the through part 386a can be accommodated, and can protrude so that a screw passing through the fixing end 386b of the shaft fixing member 386 can be fastened. .

Therefore, the drawer-side shaft 47 can maintain a fixedly mounted state in the shaft mounting portion 384 by the shaft fixing member 386, and is connected to the door-side device 41 and the lifting shaft 43. It may have a structure capable of rotating together in conjunction with each other.

Meanwhile, a spring-shaped elastic member 387 may be further provided on the drawer-side shaft 47 . The elastic member 387 may be disposed between the drawer connecting member 471 and the shaft fixing member 386, and may be configured to press the drawer connecting member 471 forward. Therefore, the drawer connection member 471 can remain engaged with the door connection member 416 until the drawer unit 32 and the door unit 31 are separated, and the door side device 41 ), slip does not occur during driving, and power can be transmitted to the drawer-side device 42.

Of course, the drawer-side shaft 47 may further include an elastic member support member 388 for supporting the elastic member 387, and the elastic member support member 388 is It supports one end and may be mounted on the shaft fixing member 386. Also, the elastic member supporting member 388 may be integrally molded with the shaft fixing member 386.

The drawer-side shaft 47 may be mounted on an outer surface of the drawer body 38 , and the elevating shaft 43 may be mounted on an inner surface of the drawer body 38 . Also, the shaft mounting portion 384 to which the drawer-side shaft 47 is mounted and the mounting portion 383 to which the elevating shaft 43 is mounted may communicate with each other through the rear opening 384b. Also, the drawer-side gear 472 formed at the rear end of the drawer-side shaft 47 may have a structure connected to the shaft gear 434 connected to the elevating shaft 43 through the rear opening 384b.

Hereinafter, the mounting structure of the drawer-side device 42 mounted inside the drawer body 38 will be described in more detail.

13 is a cutaway perspective view in which a lift shaft and a rail are mounted on the drawer body.

As shown in the drawing, the lifting shaft 43 and the lifting rail 44 may be mounted on the mounting part 383 inside the drawer body 38 . At this time, the upper and lower ends of the elevating shaft 43 may be supported so as to be rotatable, and the shaft gear 434 may have a structure in which the drawer-side gear 472 is gear-coupled with each other.

Also, the shaft holder 48 mounted to pass through the shaft gear 434 may be configured to face the inside of the drawer body 38 . Accordingly, the shaft holder 48 may be disposed to face the elevating bracket 45 . Further, when the elevating shaft 43 rotates, the shaft holder 48 may move up and down along the elevating shaft 43 .

Meanwhile, the elevation shaft 43 and the elevation rail 44 may be located outside the inner wall surface of the drawer body 38 while being accommodated in the mounting portion 383 . Therefore, the elevating shaft 43 and the elevating rail 44 do not interfere with other components such as the elevating member or the elevating bracket 45 coupled to the elevating member 35 when the elevating member 35 moves up and down. can do.

Also, the mounting bracket 46 is coupled to an upper end of the mounting portion 383 so that the elevating shaft 43 is fixedly mounted inside the mounting portion 383 in a rotatable state. Also, when the elevating rail 44 is extended, it may pass through the mounting bracket 46 and extend upward.

14 is a cutaway perspective view in which plates are mounted on the drawer body.

As shown in the drawing, in a state where the elevating shaft 43 and the elevating rail 44 are mounted, the outer side plate 391, the inner side plate 392 and the inner plate ( 395) may be mounted to form the inner and outer appearance of the drawer body 38.

In detail, when the drawer door 30 is in a drawn-out state, the outer side plates 391 can completely cover the outside of both left and right sides that can be exposed. That is, the outer surface of the drawer body 38 including the pull-out rail 33, the drawer-side shaft 47, etc., which are at least a part of the drawer-side device 42 disposed on the side surface of the drawer body 38. The components disposed in may be all covered by the outer side plate 391 . The outer side plate 391 is configured to have a metal texture so that it can show a cleaner and more luxurious appearance.

In addition, the inner space of the drawer part 32 seen when the drawer door 30 is drawn out is also formed by the inner side plate 392 and the inner plate 395 so that the drawer part 32 A uniform appearance can be provided.

By mounting the plurality of plates 391 , 392 , and 395 , the outer and inner surfaces of the drawer 32 can be seen to have a metallic texture. Of course, the lower surface and the rear surface of the drawer unit 32, which are not exposed to the outside, and the front surface coupled to the door unit 31 are not provided with separate plates for exterior, but virtually all of the parts exposed to the outside during use are It is covered by the plates 391, 392, and 395.

In particular, the mounting portion 383 may be exposed through the side opening 394 when the inner side plate 392 is mounted. That is, in a state where the inner side plate 392 is mounted, the lifting shaft 43 and the lifting rail 44 inside the mounting part 383 may be exposed, and the rest of the parts are exposed by the inner side plate 392. can be shielded. Also, the elevating member 35 and the elevating bracket 45 may be coupled to or separated from the shaft holder 48 and the elevating rail 44 through the exposed side opening 394 .

Meanwhile, an upper end of the inner side plate 392 may be bent outward, and the bent upper end may shield upper ends of both side surfaces of the drawer body 38 and the mounting bracket 46, and the outer side plate 392 may be bent. It is in contact with the upper end of (391) to form an exterior.

Among the elevating members 35 , the elevating plate 351 substantially supporting food or containers may be positioned on the inner bottom surface of the drawer body 38 . In addition, the lower end of the mounting portion 383 and the side opening 394 is located above the lifting plate 351, so that the lifting shaft 43 and the lifting rail 44 can be easily mounted and serviced. can Also, the upper end of the mounting portion 383 and the side opening 394 extends to the upper end of the side surface of the drawer body 38, so that the stroke of the lifting member 35 can be maximally utilized.

15 is a cutaway perspective view in which a lift bracket is mounted on the drawer body.

As shown in the figure, the lower end of the elevating bracket 45 is fixed to the elevating member 35, and the outer surface can be combined with the shaft holder 48 and the elevating member 35. Accordingly, the elevating plate 351 or the elevating frame 352 can be connected to the shaft holder 48 and the elevating bracket 45 by the elevating bracket 45 . At this time, based on the plate-shaped lifting bracket 45, the lifting member 35, the shaft holder 48, and the lifting rail 44 may be configured to be coupled to opposite surfaces.

When the elevating shaft 43 rotates in a state in which the elevating member 35, the shaft holder 48, and the elevating rail 44 are all coupled to the elevating bracket 45, the shaft holder 48 It can be moved in the vertical direction together with the elevating bracket (45). Also, the lifting bracket 45 can be moved in the vertical direction by the lifting rail 44 disposed at the center, and the lifting member 35 is lifted up and down in a stable state without tilting.

At this time, as the shaft holder 48 moves upward along the elevating shaft 43 and the elevating rail 44 extends, the elevating bracket 45 can also move upward together, and the elevating member ( 35) can be lifted upwards. Conversely, when the shaft holder 48 moves downward along the elevating shaft 43, the elevating rail 44 is reduced, and the elevating bracket 45 moves downward together with the elevating rail 44. The elevating member 35 moves toward the inner bottom surface of the drawer body 38 .

16 is a partial perspective view showing a side cover mounted on the drawer body.

In the state shown in FIG. 15 , the elevating bracket 45 may be combined with the side cover 353 . The side cover 353 may be formed in a size capable of shielding the mounting portion 383 and the side opening 394 as well as the lifting bracket 45 .

The side cover 353 may be coupled to a side end of the lifting frame 352 or the lifting plate 351 . Therefore, when the elevating member 35 is raised and the elevating rail 44 is drawn in and out, it can be moved in the vertical direction together, and the elevating shaft 43 and the elevating rail 44 constituting the drawer side device 42 ) and the lifting bracket 45 may not be exposed.

In addition, an upper shielding portion 353d bent outward is formed at an upper end of the elevating side cover 353 to shield not only the inner side surface of the drawer unit 32 but also a portion of the upper end of the drawer unit 32. In addition, the top of the mounting bracket 46 or the lift rail 44, which can be exposed to the top, can be shielded from above.

Meanwhile, the side cover 353 is configured to cover the lifting bracket 45 to prevent exposure of the lifting bracket 45 . Also, the side cover 353 may be formed of the same material as the inner side plate 392 .

That is, in a state where the side cover 353 is mounted, not only the lifting bracket 45 but also the lifting shaft, the lifting rail, and the lifting bracket 45 shielded by the lifting bracket 45 are not exposed. Accordingly, the inner side of the drawer unit 32 may be formed by the side cover 353 and the inner side plate 392 .

The side cover 353 may be injection-molded of a plastic material if necessary, and a cover plate 354 made of a metal material in the same way as the inner side plate 392 is attached to the outer surface of the side cover 353. Alternatively, the outer surface may be coated with a metallic texture.

Since the side cover 353 is in a state of being coupled with the elevating bracket 45, it can be elevated together with the elevating member 35, and even in the process of elevating the elevating member 35, the elevating bracket 45 ) are not exposed to the outside, and the unity of the exterior can be maintained.

Hereinafter, a state in which the drawer door 30 of the refrigerator 1 according to the embodiment of the present invention having the above structure is drawn in and out and lifted will be described in more detail with reference to the drawings.

17 is a perspective view of a state in which the drawer door is closed;

As shown in the drawing, in the refrigerator 1, both the rotary door 20 and the drawer door 30 maintain a closed state when food is stored. In this state, the user can withdraw and withdraw the drawer door 30 to store food.

A plurality of the drawer doors 30 may be provided at the upper and lower sides, and may be drawn out and opened by a user's manipulation. At this time, the user's manipulation can be a touch manipulation of the manipulation unit 301 provided on the front of the rotary door 20 or the drawer door 30, and the manipulation device 302 provided at the lower end of the drawer door 30. It may be possible to input an opening operation by Also, the operation unit 301 and the operation device 302 may be configured to separately operate the drawing in and out of the drawer door 30 and the elevation of the lifting member 35 , respectively. Of course, it will also be possible for the user to hold the handle of the drawer door 30 and open it.

In the following, although opening and lifting the lowermost drawer door 30 among the drawer doors 30 disposed in the upper and lower directions is described as an example, both the upper and lower drawer doors 30 are performed in the same manner. It will be able to be pulled in and out and lifted.

18 is a perspective view of a state in which the drawer door is completely opened. And, FIG. 19 is a cross-sectional view of the drawer door in the same state as FIG. 18 .

As shown in the drawings, the drawer door 30 is drawn forward according to the user's manipulation to withdraw the drawer door 30 . The drawer door 30 may be drawn out while the pull-out rail 33 extends.

Meanwhile, the drawer door 30 may be drawn in and out by driving the pull-in/out motor 14 instead of a method in which the user directly pulls and opens the drawer door 30 . The pull-out rack 34 provided on the bottom surface of the drawer door 30 may be coupled with the pinion gear 141 rotated when the pull-out motor 14 provided in the cabinet 10 is driven. The drawer door 30 is drawn in and out according to the drive of the pull-out motor 14 .

The pull-in/out distance of the drawer door 30 may be at least a distance at which the front space S1 inside the drawer 32 can be completely exposed to the outside. Therefore, in this state, the lifting member 35 can be prevented from interfering with the doors 20 and 30 or the cabinet 10 disposed above.

In this case, the pull-in/out distance of the drawer door 30 may be determined by the pull-out/output detection device 15 disposed on the cabinet 10 and/or the drawer door 30 . The pull-in/out detection device 15 may be composed of a sensor that detects a magnet 389 to detect a fully drawn-out or closed state of the drawer door 30 .

For example, as illustrated, a magnet 389 may be provided at the bottom of the drawer unit 32 and a detection sensor may be provided at the cabinet 10 . The withdrawal detection device 15 is located at a position corresponding to the position of the magnet 389 in a state in which the drawer door 30 is closed and the position of the magnet 389 in a state in which the drawer door 30 is completely drawn out. can be provided in Therefore, it is possible to determine the withdrawal/input state of the drawer door 30 by the withdrawal/input detection device 15 .

Also, if necessary, switches are provided at positions where the drawer door 30 is completely drawn in and out, so that the drawer door 30 can be drawn in and out, and the number of revolutions of the drawer door 30 can be controlled. The drawing in and out of the drawer door 30 may be detected by counting or by a sensor that measures the distance between the rear surface of the door unit 31 and the front end of the cabinet 10 .

In a state in which the drawer door 30 is completely drawn out, the lifting motor 411 is driven to lift the lifting member 35 . The elevating member 35 may be configured to be operated in a situation in which the drawer door 30 is sufficiently withdrawn to ensure safe elevation of the food or container 36 seated on the elevating member 35 .

That is, in a state in which the drawer door 30 is pulled out and the front space is completely exposed to the outside, the elevating member 35 rises and the container 36 seated on the elevating member 35 or the stored food is stored in another door. It can be prevented from interfering with the fields 20 and 30 or the cabinet 10.

The elevating member 35 may start to rise in a state in which the complete withdrawal of the drawer door 30 is confirmed. Also, in order to prevent user safety and stored food from being damaged, the elevating member 35 may be configured to start rising after a set time elapses after withdrawal of the drawer door 30 is confirmed.

Of course, after the drawer door 30 is withdrawn, the user may manipulate the control unit 301 to directly input the elevation of the lifting member 35 . That is, the manipulation unit 301 can be manipulated to withdraw the drawer door 30, and the manipulation unit 301 can be manipulated again to elevate the elevation member 35. Also, the drawer door 30 may be manually drawn in and out by the user, and the lifting member 35 may be moved up and down by manipulating the operation unit 301 after pulling out the drawer door 30 .

20 is a perspective view of a state in which the drawer door is completely lifted. 21 is a cross-sectional view of the drawer door in the same state as in FIG. 20;

18 and 19, in a state in which the drawer door 30 is withdrawn, the lifting member 35 may be moved up and down. The lifting member 35 can be moved up and down by the operation of the lifting motor 411, and the door side device of the door part 31 and the drawer side device 42 of the drawer part 32 are coupled to each other. In this state, power is transmitted so that the lifting member 35 can be moved up and down.

Looking at this in more detail, when the lifting motor 411 operates, the door-side shafts 413 on both sides connected to the lifting motor 411 rotate, and the first door-side shaft 413 connected to the door-side shaft 413 rotates. The gear 414 and the second gear 415 rotate.

The rotational force of the door side device 41 can be transmitted to the drawer side device 42 by the door connecting member 416 and the drawer connecting member 471 connected to each other. Accordingly, the rotational force transmitted from the door-side device 41 rotates the drawer-side shaft 47 and the drawer-side gear 472 at the end of the drawer-side shaft 47 .

The drawer-side gear 472 and the shaft gear 434 transmit rotational force while connected to each other, and the rotational force of the drawer-side shaft 47 rotates the elevating shaft 43 . By rotation of the elevating shaft 43 , the screw holder 48 moves upward along the elevating shaft 43 .

At this time, the screw holder 48 is moved upward together with the elevating bracket 45 in a state of being coupled with the elevating bracket 45, and the elevating member 35 coupled with the elevating bracket 45 also moves upward together. is moved to At this time, the elevating rail 44 at the center of the elevating bracket 45 extends upward and guides the elevating member 35 to stably ascend and descend without tilting.

In addition, the side covers 353 on both sides of the elevating member 35 shield the elevating bracket 45, the mounting portion 383, and the components inside the mounting portion 383 so that these components are not exposed. On the other hand, it prevents the food inside from being caught or introduced.

On the other hand, the elevation of the elevating member 35 is raised to a sufficient height to facilitate access to the food or container seated on the elevating member 35, so that the user can easily lift the food or container.

The rising height of the lifting member 35 may be increased until the screw holder 48 is located at the upper end of the lifting shaft 43 . When the lifting of the lifting member 35 is completed, the driving of the lifting motor 411 is stopped.

When the lifting completion signal of the lifting member 35 is input, the driving of the lifting motor 411 is stopped. For this purpose, a height sensor 16 capable of detecting the position of the lifting member 35 is provided. can The height detecting device 16 is provided on the door part 31 and may be provided at a height corresponding to a maximum ascending position of the elevating member 35 and a lowest descending position of the elevating member 35 .

The height sensor 16 may be configured with a sensor that detects the magnet 355, and detects the magnet 355 provided on the elevating member 35 to determine whether or not the elevating member 35 has completed its elevation. can judge Also, the height sensing device 16 may be configured as a switch structure to turn on the switch in a state in which the lifting member 35 is raised to the maximum. In addition, the height sensor 16 may be provided on the lift rail 44 or the lift shaft 43 to detect a position where the lift member 35 is maximally elevated. In addition, it may be determined whether or not the lifting member 35 is maximally raised according to the variation of the load applied to the lifting motor 411 .

Meanwhile, in a state in which the lifting member 35 is raised to the maximum height, the lifting motor 411 is stopped. In this state, the elevating member 35 is located inside the drawer 32, but the food or container 36 seated on the elevating member 35 is higher than the open upper surface of the drawer 32. It can be located in a high position, and easy access by the user is possible. In particular, since it is not necessary to excessively bend the waist for the work of lifting the container 36, a safer and more convenient work is possible.

After the user's food storage operation is completed, the user may lower the elevating member 35 by manipulating the control unit 301 . The lowering of the lifting member 35 may be performed by reverse rotation of the lifting motor 411, and may be performed gradually through a process opposite to the above-described process.

And, when the lifting member 35 is finished descending, the state as shown in FIG. 18 or 19 is obtained, and the completion of the descending of the lifting member 35 may be performed by the height sensor 16 . The height detecting device 16 may be further provided at a corresponding position to detect a magnet provided on the lifting member 35 when the lifting member 35 is positioned at the lowest position. Accordingly, when the completion of the lowering of the lifting member 35 is detected, the lifting motor 411 is stopped.

Also, after the lifting motor 411 is stopped, the drawer door 30 may be retracted. At this time, the drawer door 30 may be closed by a user's manipulation or by driving the pull-out motor 14 . When the drawer door 30 is completely closed, the state shown in FIG. 17 may be obtained.

Meanwhile, various other embodiments of the present invention may be possible in addition to the above-described embodiments.

Hereinafter, other embodiments of the present invention will be described with reference to the drawings. Among other embodiments of the present invention, the same reference numerals are used for components identical to those of the above-described embodiment, and detailed descriptions thereof will be omitted.

22 is a perspective view showing the structure of a lifting assembly according to another embodiment of the present invention.

As shown in the drawing, the lifting assembly 40 according to another embodiment of the present invention may be composed of a door side device 41 and a drawer side device 42. The door-side device 41 may be provided in the door part 31 of the drawer door 30, and the drawer-side device 42 may be provided in the drawer part 32 of the drawer door 30. When the door part 31 and the drawer part 32 are coupled, the drawer-side device 42 and the door-side device 41 are connected to each other so that power can be transmitted. Also, the door side device 41 and the drawer side device 42 may be separated from each other, and thus the door unit 31 and the drawer unit 32 may be separated.

The door-side device 41 may be provided inside the door part 31, and includes a motor assembly 412 including a lifting motor 411 and gears connected to the lifting motor 411, and the motor assembly ( 412) and a door-side shaft 417 rotated, and a door connecting member 416 provided at an end of the door-side shaft 417.

At this time, the motor shaft of the elevating motor 411 may be disposed in the forward and backward directions, and the motor assembly 412 has a width direction that is horizontal to the front surface of the door part 31 so that the motor is attached to the door part 31. The depth occupied for installing the assembly 412 can be minimized. In addition, the door-side shaft 417 may be disposed in the front-rear direction and connected to the door connection member 416 . Of course, if necessary, the door-side shaft 417 and the door connecting member 416 may be integrally formed.

In addition, a pair of the motor assembly 412, the door-side shaft 417, and the door connecting member 416 may be provided on both left and right sides, and may be configured to have the same structure. In addition, the lifting motors 411 provided on both sides can be operated together, and can be simultaneously operated so that the lifting member 35 can be raised and lowered in a horizontal state without tilting, and can generate the same rotational force.

By arranging the lifting motors 411 on both left and right sides, the size of the lifting motor 411 can be reduced compared to when one lifting motor 411 is provided, and the front and rear directions of the motor assembly 412 thickness can be minimized. Therefore, it is possible to sufficiently secure the insulation thickness of the door part 31 .

In addition, a greater force can be provided to the elevating member 35 by using the pair of elevating motors 411, and thus, even when heavy food or containers are seated on the elevating member 35, the elevating member 35 ) can ensure a more stable lifting operation.

Meanwhile, the drawer-side device 42 may be configured to be connected to the door-side device 41 and has the same structure as the drawer-side device 42 of the above-described embodiment, so a detailed description thereof will be omitted.

23 is a perspective view of a refrigerator according to another embodiment of the present invention.

As shown in the drawing, a refrigerator 1 according to another embodiment of the present invention may include a cabinet 10 in which a storage space divided up and down is formed, and a door 2 that opens and closes the storage space. .

The door 2 is a rotary door 20 provided on the upper front surface of the cabinet 10 to open and close the upper storage space, and a drawer type provided on the lower front surface of the cabinet 10 to open and close the lower storage space. A door 30 may be provided. The drawer-type door 30 can be drawn in and out in front and back as in the above-described embodiment, and the elevating member 35 inside the drawer door 30 can move up and down in a state in which the drawer door 30 is drawn out. can have

An operating unit 301 or an operating device 302 may be provided on one side of the door unit 31, and the drawer door 30 is drawn in and out by manipulation of the operating unit 301 or the operating device 302. / or the elevation of the elevation member 35 is possible.

An elevating member 35 is provided in the drawer part 32, and the elevating member 35 can be moved up and down by driving the elevating assembly 40 provided in the door part 31 and the drawer part 32. do. Since the configuration of the drawer door 30 and the configuration of the lifting assembly 40 are the same as those of the above-described embodiment, a detailed description thereof will be omitted.

A plurality of containers 361 may be provided in the elevating member 35 . The container 361 may be an airtight container such as a kimchi container, and a plurality of containers may be seated on the elevating member 35 . The container 361 may be elevated together with the elevation of the elevation member 35 . Accordingly, at least a part of the container 361 may protrude upward from the drawer part 32 in an elevated state, and the user can easily lift the container 361.

Meanwhile, even when the drawer type door 30 is drawn out, the elevating member 35 may interfere with the rotary door 20 when the rotary door 20 is open, so that the rotary door 20 ) is configured so that it can be raised in a closed state. To this end, a door switch for detecting opening and closing of the rotary door 20 may be further provided.

24 is a perspective view of a refrigerator according to another embodiment of the present invention.

As shown in the drawing, a refrigerator 1 according to another embodiment of the present invention includes a cabinet 10 forming a storage space, and a door 2 opening and closing the open front of the cabinet 10. can do.

The door 2 forms the front exterior of the refrigerator 1 in a closed state, and may be composed of a drawer-type door 30 that is drawn out in a forward and backward direction. A plurality of the drawer-type doors 30 may be continuously arranged in a vertical direction, and each of the drawer-type doors 30 may be independently drawn in and out by a user's manipulation, and an elevating member inside the drawer-type door 30 (35) may be configured to be liftable. The withdrawal of the drawer-type door 30 and the elevation of the elevating member 35 may be individually performed, and after the withdrawal of the drawer door 30, the elevation of the elevating member 35 and After the descending of the drawer door 30 may be drawn in continuously.

Further, when a plurality of the drawer-type doors 30 are arranged up and down, in a state in which the drawer-type doors 30 disposed relatively upward are drawn out, the inside of the drawer-type door 30 disposed relatively downward 30 moves up and down. It is possible to prevent the member 35 from rising so that stored food and containers do not interfere with the drawer type door 30 drawn out from above.

24 shows, for example, that the lifting member 35 is raised in a state in which the drawer-type door 30 located at the bottom is drawn out, but all of the drawer-type doors 30 disposed above are also raised. After being withdrawn, the lifting member 35 provided therein may be moved up and down.

Of course, if the heights of the drawer-type doors 30 located in the upper part are sufficiently high, the lifting member 35 of the drawer-type door 30 located in the lowermost position or the plurality of drawer-type doors 30 located in the relatively lower part It may also have a structure that can be lifted only.

25 is a perspective view of a refrigerator according to another embodiment of the present invention.

As shown in the drawing, a refrigerator 1 according to another embodiment of the present invention includes a cabinet 10 forming a storage space, and a door 2 opening and closing the open front of the cabinet 10. can do.

The storage space inside the cabinet 10 may be partitioned vertically, and if necessary, the upper and lower storage spaces may be divided into left and right sides again.

The door 2 is provided on the top of the cabinet 10 and is rotatably mounted to open and close the upper storage space, and is provided on the bottom of the cabinet 10 and is mounted to be drawn in and out. It may be composed of a standing door (2) that opens and closes the lower storage space.

Also, the lower space of the cabinet 10 may be partitioned left and right, and a pair of drawer-type doors 30 may be provided to open and close each partitioned lower space. A pair of the drawer-type doors 30 are disposed side by side on both left and right sides, and each drawer-type door 30 will have the same structure.

The drawer-type door 30 has the same configuration as the above-described embodiment, and can be drawn in and out by a user's manipulation. It is possible to conveniently access food or containers inside the drawer-type door 30 .

Claims (1)

cabinets forming storage spaces;
a drawer door that opens and closes the storage space and has a storage space with an open upper surface;
a draw-out rail connecting the drawer door and the storage space and guiding the draw-in/out of the drawer door;
an elevating member provided inside the storage space and supporting food and containers;
It includes; a lifting assembly for lifting the lifting member in a vertical direction;
The drawer door includes a door portion that opens and closes the storage space and forms a front surface of the drawer door, and a drawer portion coupled to a rear surface of the door portion to form the storage space and accommodating the elevating member therein,
The lifting assembly may include a door-side device provided inside the door unit and driving the lifting member up and down; A drawer-side device provided on an inner surface of the drawer unit to be separated from the door-side device and elevating the lifting member;
The drawer-side device is axially rotated by the door-side device and receives power from the door-side device at one point to elevate the lifting member.

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