KR20190094930A - A Refrigerator - Google Patents

Abstract

According to an embodiment of the present invention, a refrigerator comprises: a cabinet configured to form a storage space; a drawer door drawn in and out of the storage space, and having a door part exposed to an outer surface of the cabinet and a drawer part configured to form a storage space for foods; a draw-in and -out rail enabling the drawer door to be connected to the cabinet and guiding draw-in and draw-out of the drawer door; a drawer cover shielding the storage space and having at least a portion thereof to be rotationally arranged at an external side of the storage space; a rotary rack arranged in the storage space and extending in a draw-out direction of the drawer door; and a gear assembly arranged at one side of the drawer part or a drawer cover, and communicating with the rotary rack to rotate the drawer cover when drawing out the drawer door.

Description

Refrigerator {A Refrigerator}

The present invention relates to a refrigerator.

In general, a refrigerator is a home appliance that allows food to be stored at a low temperature in an internal storage space shielded by a door. To this end, the refrigerator is configured to cool the inside of the storage space by using the cold air generated by heat exchange with the refrigerant circulating in the refrigeration cycle, so that the stored foods can be optimally stored.

Recently, refrigerators are becoming larger and more versatile in accordance with the change of dietary life and the high quality of products, and refrigerators equipped with various structures and convenience devices for efficient use of user's convenience and interior space have been released. .

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

The refrigerator door may be classified into a pivotal door in which a storage space is opened and closed by a pivot, and a drawer door which is pulled in and out of a drawer type.

On the other hand, the drawer door is often disposed in the lower region of the refrigerator, when the drawer door is disposed in the lower region of the refrigerator, after removing the basket accommodated inside the drawer door, the basket is placed in a separate place (table or floor) It is inconvenient to take out the food in the basket. In addition, when the basket is taken out, problems such as damage due to the fall of the basket, injury, contamination by food, etc. may also occur.

In order to solve this problem, a structure in which the drawer door can be elevated can be applied. The prior art published on the lifting structure of the drawer door is as follows.

1.Publication number (public date): 10-2008-0101335 (2008.11.21)

2. Name of invention: refrigerator

In the case of the lifting structure disclosed in the above-mentioned prior document, a complicated structure for lifting is provided in the drawer door, thereby increasing the overall weight of the refrigerator.

In addition, when the food is stored in the storage storage container is applied to the front of the storage storage container of the actual lifting force of the storage container, stable lifting action of the storage container will be difficult due to the eccentric load acting on the storage container. In addition, there is a problem that it is difficult to reliably take out food from the storage container because it is not stably supported in the elevated state.

An embodiment of the present invention, when the drawer door is drawn out drawer type, the cover of the drawer door is automatically opened to provide a refrigerator that can improve the user's ease of use.

An embodiment of the present invention is to provide a refrigerator that can temporarily put food or storage containers on the cover of the open drawer door, which can improve the user's ease of use.

Refrigerator according to an embodiment of the present invention, the cabinet forming a storage space; A drawer door having a drawer part drawn in and out of the storage space, the door part exposed on an outer surface of the cabinet, and a drawer part forming a food storage space; A draw-out rail connecting the drawer door and the cabinet and guiding the draw-out door of the drawer door; A drawer cover that shields the storage space, the drawer cover being at least partially rotatable to the outside of the storage space; A rotating rack provided in the storage space and extending in the withdrawal direction of the drawer door; It is provided on one side of the drawer unit or the drawer cover, and includes a gear assembly for rotating the drawer cover in conjunction with the rotary rack when the drawer door is pulled out.

The drawer cover may include a rear cover; And a front cover disposed in front of the rear cover, the front cover being rotatably provided, wherein the front cover is rotated to the outside of the storage space on the basis of the fire shaft perpendicular to the ground.

The upper door part may be tilted based on the lower end of the door part.

And, the rear of the door portion, it characterized in that the rotating recessed portion is formed along the rotation radius of the front cover.

The gear assembly may include a gear accommodation space formed at one side of the drawer unit or the rear cover; A pinion provided in the gear accommodation space, the pinion being partially exposed to the outside of the gear accommodation space to rotate in conjunction with the rotary rack; And a rotation gear coupled to the front cover and rotated by the rotation of the pinion to rotate the front cover.

The front cover may include a left front cover and a right front cover disposed to the left and right sides of each other, and the gear assembly may be provided at positions corresponding to the outer rear ends of the left front cover and the right front cover, respectively. .

The gear assembly may further include a reduction gear provided in the gear accommodation space and coupled to the pinion and the rotation gear to transmit rotational force.

And, the number of teeth of the reduction gear is characterized by more than the number of teeth of the pinion.

The gear accommodating space may be formed by opening one surface thereof, and the gear assembly may further include a gear cover that shields the opened one surface of the gear accommodating space.

In addition, a plurality of rack protrusions are formed on at least a portion of an inner side surface of the rotating rack, and the rotating rack is disposed at a side front end of the storage space.

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

In the refrigerator according to the embodiment of the present invention, the storage space is automatically opened when the drawer door is pulled out by the gear assembly provided in the drawer cover and the rotating rack provided in the storage space, thereby improving user convenience. .

In addition, when the drawer door is opened, the front cover is opened by the gear assembly, the food or storage container can be placed on the top of the front cover, there is an effect that the user's usability is improved.

In addition, the door part is provided to be tiltable to secure the rotation radius of the drawer cover when the drawer cover is rotated, thereby preventing the drawer cover and the door part from colliding with each other.

In addition, the rear of the door portion is formed with a recessed depression in the rotational direction of the drawer cover, it is possible to prevent the problem that the drawer cover and the door portion collapse as the front cover passes through the rotational depression when the drawer cover rotates.

In addition, the gear assembly is provided with a reduction gear to adjust the front cover to rotate in accordance with the draw-out speed of the drawer door, there is an effect of preventing the front cover from colliding with the cabinet.

In addition, the gear assembly includes a gear cover that shields an open side of the gear receiving space, so that the gear assembly can be easily assembled, and the gear assembly is not exposed to the outside when the drawer door is pulled out, thereby improving aesthetics. have.

1 is a front view of a refrigerator according to an embodiment of the present invention.
2 is a perspective view of a refrigerator in which a drawer door is opened according to an embodiment of the present invention.
3 is a side view of a refrigerator in which a drawer door is opened according to an embodiment of the present invention.
4 is a perspective view of the drawer door showing that the front cover is closed.
5 is a perspective view of the drawer door showing that the front cover is open;
6 is a view showing the configuration for opening the front cover in detail.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments in which the spirit of the present invention is presented, and other embodiments included in the spirit of the present invention or other inventions which are degenerate by addition, modification, or deletion of other components are readily available. Can suggest.

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

Referring to FIG. 1, the refrigerator 1 may have an external shape formed by a cabinet 10 that forms a storage space and a door 2 that shields the opened front surface of the cabinet 10.

The storage space inside the cabinet 10 may be divided into a plurality of spaces. For example, the space above the cabinet 10 may be partitioned into a refrigerating compartment, and the space below it into a freezing compartment. Of course, the upper space and the lower space may be divided into separate spaces maintained at different temperatures, not the refrigerating or freezing chamber, and may be referred to as the upper space and the lower space.

The door 2 may be composed of a rotary door 20 to open and close the upper space by rotation and drawer doors 30 and 40 to open and close the lower space by drawer in and out. The lower space may be partitioned up and down again, and the drawer doors 30 and 40 may be configured of the upper drawer door 30 and the lower drawer door 40. In addition, the rotating door 20 and the drawer doors 30 and 40 may be formed of a metallic material to form an exterior that is exposed to the front surface.

Although the present invention has been described with reference to a refrigerator in which the rotating door 20 and the drawer doors 30 and 40 are disposed together, the present invention is not limited thereto, and all types are provided with a drawer-type door. It will be applicable to the refrigerator.

The front side of the rotating door 20 may be provided with a display 21, the display 21 may be of a liquid crystal display structure or 88 segment structure. In addition, when the exterior of the door 2 is formed of a metallic material, the display 21 may be formed to display information by light transmitted through a plurality of minute holes.

In addition, one side of the rotary door 20 may be provided with an operation unit 22 capable of automatically rotating or pulling out the rotary door 20 or the drawer doors 30 and 40. The operation unit 22 may be provided integrally with the display 21, or may be formed by a touch method or a button method. The operation unit 22 may input operation by the overall operation of the refrigerator 1, and may operate the withdrawal of the drawer doors 30 and 40.

An operation unit 401 may also be provided to the drawer doors 30 and 40. The operation unit 401 may be provided at one side of the drawer doors 30 and 40 positioned at the bottom of the drawer doors 30 and 40, and the operation unit 401 may be configured by a touch or button method. . Of course, the operation unit 401 may be configured as a sensor for detecting the proximity or movement of the user, or may be configured to input the operation by the user's motion or voice.

In addition, as shown in the figure, an operation device 402 is provided at the bottom of the lower drawer door 40 to irradiate an image to the floor to output a virtual switch, and to input an operation in a manner in which the user approaches the corresponding area. It may be configured to.

On the other hand, the lower drawer door 40 may be automatically withdrawn in accordance with the operation of the operation unit 401. Of course, the drawer doors 30 and 40 are not automatically drawn in and out according to the operation of the operation unit 401, and a handle that can be gripped by the user is provided on the front surface, and the user may grasp and insert the hand in and out. There will be.

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

2 is a perspective view of a refrigerator in which a drawer door is opened according to an embodiment of the present invention. 3 is a side view of a refrigerator in which a drawer door is opened according to an embodiment of the present invention.

2 and 3, the drawer door 40 may be pulled out forward. Then, as the drawer door 40 is pulled forward, the inner space of the drawer door 40 may be opened.

In detail, the drawer door 40 includes a door part 41 that opens and closes the storage space, and a drawer part 42 coupled to a rear surface of the door part 41 and withdrawn from the door part 41. can do.

The door part 41 may be exposed to the outside of the cabinet 10 to form an exterior of the refrigerator 1, and the drawer part 42 may be disposed inside the cabinet 10. In addition, the door part 41 and the drawer part 42 may be configured to be coupled to each other to draw in and out together in the front-rear direction.

The drawer unit 42 may be located at the rear surface of the door unit 41 and may form a space for storing food or a container for storage. The inside of the drawer unit 42 may form a storage space 421 opened upward, the exterior of the drawer unit 42 may be formed by a plurality of plates (not shown). The plurality of plates may be made of a metal material such as stainless, and may be provided inside the drawer unit 42 to form the entire drawer unit 42 to have a texture such as stainless steel or stainless steel.

In the state where the drawer door 40 is retracted, a machine room 12 having a compressor, a condenser, and the like constituting a refrigeration cycle may be disposed behind the drawer door 40. The machine room 12 may be partitioned so as to be insulated from the space in which the drawer part 42 is inserted and located by a partition wall.

The rear half of the drawer unit 42 may be formed in a shape in which an upper end thereof protrudes further than a lower end thereof, and a rear surface of the drawer unit 42 may form an inclined surface 422. Of course, if the machine room 12 is not disposed behind the drawer door 40, the inclined surface 422 may not be formed at the second half of the drawer part 42.

And, both side surfaces of the drawer unit 42 may be provided with a pull-out rail 45 for guiding the draw-out and exit of the drawer door 40. The drawer door 40 allows the drawer door 40 to be mounted in the cabinet 10 in a drawable manner. The pull-out rail 45 may be configured as a rail structure that can be extended in multiple stages.

In addition, the withdrawal rail 45 may be provided at the lower ends of both sides of the drawer unit 42, and thus, the withdrawal rail 45 may be disposed on the lower surface of the drawer unit 42. . Therefore, the draw-out rail 45 is provided on the lower surface of the drawer unit 42 and may be referred to as an underrail.

A drawer rack 46 may be provided on the bottom surface of the drawer unit 42. The draw-out rack 46 may be disposed at both sides, and the cabinet 10 may include a motor to enable automatic draw-out of the drawer door 40 in association with driving of the motor. That is, a motor is driven when an operation input of the operation units 22 and 401 is performed, so that the drawer door 40 can be withdrawn in accordance with the movement of the withdrawal rack 46. In this case, the drawer door 45 may enable the stable drawing of the drawer door 40.

Of course, the drawer unit 42 may not be provided with a draw-out rack 46, it is also possible that the user can be configured to directly draw out the drawer door 40 by grabbing one side of the door (pull or pull). will be.

On the other hand, the drawer door 40 may be provided on the upper side of the drawer unit 42, may include a drawer cover 43 for shielding the storage space 421. The drawer cover 43 may be detachably mounted to the drawer part 42.

In addition, the drawer cover 43 may include a front cover 431 for shielding the first half of the storage space 421 and a rear cover 434 for shielding the second half of the storage space 421. The front cover 431 may be divided into a left front cover 432 and a right front cover 433.

Accordingly, the drawer cover 43 may include the left front cover 432, the right front cover 433, and the rear cover 434.

The front cover 431 may be formed with a rotating shaft on the front cover 431, the rotating gears (432A, 433A) to be engaged with the reduction gear 434C to be described later to be formed. The front cover 431 may be fixed to the rotary gears 432A and 433A to rotate together when the rotary gears 432A and 433A rotate.

The rotary gears 432A and 433A may be formed at the rear end of the outer surface of the front cover 431.

The front cover 431 rotates the rotary gears 432A and 433A as the drawer door 40 is pulled out, and the storage space 421 may be opened.

Further, in order to prevent the front cover 431 from being caught by the door part 41 and being unable to rotate during the rotation operation of the front cover 431, the rear recess of the door part 41 is recessed forwardly. The part 411 may be formed. The rotation depression 411 may be formed to extend horizontally in the path in which the front cover 431 is rotated. However, when the rotary depression 411 extends to both ends of the door part 41, the rotary depression 411 is exposed to the outside, resulting in worse appearance of the product and leakage of cold air from the inside. Can be. Therefore, the rotary depression 411 should be formed inward from both ends of the door portion 41.

Alternatively, the door part 41 may be provided so that the upper end may be tilted forward based on the lower end. To this end, the door 41 may be hinged to the drawer unit 42. In this case, when the drawer door 40 is pulled out, the door part 41 may be tilted to secure a space for the rotation operation of the front cover 431. Therefore, the rotation depression 411 may not be formed on the rear surface of the door part 41.

On the other hand, the drawer door 40, a gear receiving space (434A) for receiving the gear may be formed. In addition, the gear accommodation space 434A may include a pinion 434B and a reduction gear 434C for rotating the rotary gears 432A and 433A.

The rotary gears 432A and 433A, the pinion 434B, the reduction gear 434C, the gear accommodation space 434A, and the gear cover 434D to be described later may be referred to as a gear assembly.

The gear receiving space 434A may be formed at one side of the drawer part 42 corresponding to the rear end of the outer surface of the front cover 431, or may be formed at an outer front end of the rear cover 434. . Alternatively, a separate case defining the gear accommodation space 434A may be provided, and the case may be provided to be coupled to the drawer unit 42 or the rear cover 434.

Hereinafter, the gear receiving space 434A is formed in the rear cover 434 to be described in detail.

A gear accommodating space 434A may be formed at a side end of the rear cover 434 to accommodate the gear. The gear receiving space 434A may be formed at both ends of the rear cover 434, or may be formed at only one side.

The pinion 434B, the reduction gear 434C, and the rotary gears 432A and 433A may be rotatably mounted in the gear accommodation space 434A. That is, the pinion 434B, the reduction gear 434C, and the rotation gears 432A and 433A may be axially coupled to at least one surface of the accommodation space 434A.

Since the gear accommodation space 434A is disposed in front of the rear cover 434, it may be said that the gear accommodation space 434A is recessed rearward from both front surfaces of the rear cover 434.

In addition, one surface of the gear accommodation space 434A may be opened for assembly of the gears, and the gear assembly may further include a gear cover 434D for shielding the opening of the gear accommodation space 434A.

For example, the gear receiving space 434A may have an upper surface open, and the opened upper surface may be shielded by the gear cover 434D. However, the gear cover 434D may not be necessary depending on the position where the gear accommodation space 434A is recessed.

A rotating rack 44 may be provided inside the storage space accommodating the drawer door 40. The rotary rack 44 is provided on both sides of the storage space and may extend forward in parallel with the drawing direction of the drawer door 40.

The rotary rack 44 may be located at the front end of the storage space, and may protrude further forward than the front surface of the cabinet 10. Accordingly, when the front cover 341 is completely exposed to the outside of the cabinet 10 when the drawer door 40 is pulled out, the front cover 341 is engaged with the gear assembly provided in the rear cover 434. May be rotated without interfering with the cabinet 10.

A plurality of rack protrusions 441 may be formed at a portion of the inner side surface of the rotary rack 44 to engage the pinion 434B. The rack protrusion 441 may be provided at the first half of the rotary rack 44 to be engaged with the pinion 434B when the drawer door 40 is withdrawn.

4 is a perspective view of the drawer door showing that the front cover is closed. 5 is a perspective view of the drawer door showing that the front cover is open; 6 is a view showing the configuration for opening the front cover in detail.

4 to 6, the front cover 431 may rotate the rotary gears 432A and 433A about an axis to open / close the accommodation space 421.

Rotation of the rotary gears 432A and 433A may be achieved by the rotary rack 44, the pinion 434B and the reduction gear 434C.

In detail, the gear accommodation space 434A may include the pinion 434B, the reduction gear 434C, and the rotation gears 432A and 433A. In addition, the pinion 434B may be disposed to partially expose the outside of the gear accommodation space 434A. In addition, the reduction gear 434C may be disposed to engage the pinion 434B in the gear accommodation space 434A. In addition, the rotation gears 432A and 433A may be disposed to engage the reduction gear 434C in the gear accommodation space 434A.

Therefore, when the drawer door 40 is pulled out, a part of the pinion 434B is engaged with the rotary rack 44, and the pinion 434B can be rotated. In fact, when the drawer door 40 is pulled out, the exposed portion of the pinion 434B and the rack protrusion 441 of the rotary rack 44 may be engaged to rotate.

As the pinion 434B is rotated, the reduction gear 434C meshing with the pinion 434B may be rotated. On the other hand, the reduction gear 434C may adjust the amount of rotation of the pinion 434B by adjusting the gear ratio. For example, when the number of teeth of the reduction gear 434C is greater than the number of teeth of the pinion 434B, the rotation speed of the reduction gear 434C may be reduced compared to the rotation speed of the pinion 434B.

In addition, as the reduction gear 434C rotates, the rotation gears 432A and 433A meshed with the reduction gear 434C may rotate. As the rotary gears 432A and 433A rotate, the front cover 431 to which the rotary gears 432A and 433A are connected may rotate.

On the other hand, the position of the rotary rack 44 and the position of the reduction gear 434C may be properly adjusted so that the front cover 431 is not opened before the drawer door 40 is fully pulled out. . In addition, the length of the rotary rack 44 may be formed in a length suitable for the rotation of the front cover 431 when the drawer door 40 is withdrawn, the rotation of the front cover 431 is completed.

On the other hand, when the gear accommodation space 434A is formed on both sides of the rear cover 434, the left front cover 432 and the right front cover 433 are rotated, respectively, the storage space 421 Can be opened.

In addition, after the food or storage container is removed from the storage space 421, the food or storage container taken out of the storage space 421 may be placed on the open front cover 431 to provide convenience to the user. have.

In addition, when the drawer door 40 is retracted, the pinion 434B may be engaged with the rotary rack 44 to be rotated in a direction opposite to that of the drawer door 40. The front cover 431 may be automatically rotated to shield the accommodation space 421 by the rotation of the rotary gears 432A and 433A.

Claims (10)

A cabinet forming a storage space;
A drawer door having a drawer part drawn in and out of the storage space, the door part exposed on an outer surface of the cabinet, and a drawer part forming a food storage space;
A draw-out rail connecting the drawer door and the cabinet and guiding the draw-out door of the drawer door;
A drawer cover that shields the storage space, the drawer cover being at least partially rotatable to the outside of the storage space;
A rotating rack provided in the storage space and extending in the withdrawal direction of the drawer door;
And a gear assembly provided at one side of the drawer unit or the drawer cover and rotating the drawer cover in conjunction with the rotating rack when the drawer door is pulled out. The method of claim 1,
The drawer cover,
Rear cover;
A front cover disposed in front of the rear cover and rotatably provided;
The front cover is a refrigerator, characterized in that rotated to the outside of the storage space on the basis of the fire shaft perpendicular to the ground. The method of claim 2,
The door unit is a refrigerator, characterized in that the upper end is provided to be capable of tilting. The method of claim 2,
The rear of the door portion, the refrigerator characterized in that the rotary recessed portion is formed along the rotation radius of the front cover. The method of claim 2,
The gear assembly,
A gear accommodation space formed at one side of the drawer part or the rear cover;
A pinion provided in the gear accommodation space, the pinion being partially exposed to the outside of the gear accommodation space to rotate in conjunction with the rotary rack;
And a rotation gear coupled to the front cover and rotated by the rotation of the pinion to rotate the front cover. The method of claim 5,
The front cover includes a left front cover and a right front cover disposed to the left and right of each other,
And the gear assembly is provided at positions corresponding to the outer rear ends of the left front cover and the right front cover, respectively. The method of claim 5,
The gear assembly,
And a reduction gear provided in the gear accommodation space and gear-coupled with the pinion and the rotary gear to transmit rotational force. The method of claim 7, wherein
The number of teeth of the reduction gear is greater than the number of teeth of the pinion. The method of claim 5,
The gear accommodation space is formed by opening one side,
The gear assembly further comprises a gear cover for shielding an open side of the gear accommodation space. The method of claim 1,
A plurality of rack protrusions are formed on at least a portion of the inner side surface of the rotating rack,
The rotating rack is a refrigerator, characterized in that arranged in the front end of the storage space.

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