KR20060006599A - Refrigerator with basket lifting function - Google Patents

Abstract

The present invention relates to a refrigerator having a basket elevating function, comprising: a main body having a cooling chamber having a front surface opened therein; A frame accommodated in the cooling chamber to be slidably pulled out along the front and rear directions of the main body; A door disposed at the front of the frame to slide the cooling chamber in and out; A basket disposed at an upper side of the frame to form an accommodation space therein; A first link and a second link rotatably connected to one side of the frame and the other side of the second link extending in an oblique upward direction and connected to the basket in parallel with each other; And a link driver configured to pivot one of the first link and the second link so as to be rotatable between an elevated position at which the basket is raised relative to the frame and a lowered position at which the basket is lowered to be supported by the frame. It is characterized by. As a result, a refrigerator having a basket lift function capable of raising and lowering the basket when the basket is withdrawn is provided.

Description

Refrigerator with basket lift function {REFRIGERATOR WITH BASKET LIFTING FUNCTION}

1 is a perspective view of a conventional refrigerator,

2 is a cross-sectional view of the lower region of the main body when the door of FIG. 1 is closed;

3 is a perspective view of a refrigerator having a basket lifting function according to an embodiment of the present invention;

4 is a side view of FIG. 3;

5 is a partial cutaway plan view of the basket of FIG. 4;

6 is a view illustrating a rising state of the basket of FIG. 4;

7 is a control block diagram of a refrigerator having a basket lift function of FIG. 3;

8 is a side view of the basket withdrawal of the refrigerator having a basket lifting function according to another embodiment of the present invention,

9 is a side view when the basket of FIG. 8 is raised.

Explanation of symbols on the main parts of the drawings

11: body 31: lower cooling chamber

39: rail 41: frame

45: lower door 47: operation switch

51: basket 55: the first link

59: second link 62: connection link

65: link driving unit 67: link driving motor

69: drive gear 70: electric gear

71: control unit 73: lift detection unit

75: descent detection unit

The present invention relates to a refrigerator having a basket lift function, and more particularly, to a refrigerator having a basket lift function, which enables the basket to be raised and lowered at the time of withdrawing the basket, thereby enhancing user convenience.

1 is a perspective view of a conventional refrigerator, and FIG. 2 is a cross-sectional view of a lower region of a main body when the door of FIG. 1 is closed. As shown in these figures, the refrigerator includes a main body 11 in which a plurality of upper cooling chambers 21 and lower cooling chambers 31 are formed, respectively, with partitions 17 formed in a horizontal direction therebetween. And a plurality of upper doors 23 and lower doors 33 that open and close each front opening of the upper cooling chamber 21 and the lower cooling chamber 31. The machine chamber 13 is formed in the lower rear region of the main body 11 so that the compressor 15 and the like can be accommodated. A pair of upper doors 23 are formed at the edge of the front opening of the upper cooling chamber 21. It is rotatably coupled.

The front doors of the lower cooling chamber 31 are coupled with lower doors 33 which open and close the lower cooling chamber 31 while slidingly moving along the front and rear directions of the main body 11, and both sides of the lower cooling chamber 31. Door rails 37 for slidably supporting the lower door 33 are provided on the inner wall so as to be expandable and contractable along the front and rear directions. The lower cooling chamber 31 is provided with a plurality of drawers 38 having a tubular shape upwardly open to store food therein.

On the other hand, the bottom of the lower door 33 is provided with a basket 35 having a tubular shape that is upwardly open to accommodate food and is slidably integrally with the lower door 33 along the front and rear directions.

However, in such a conventional refrigerator, the basket 35 provided on the rear surface of the lower door 33 has a low position, so that when the user wants to store and / or withdraw food in the basket 35, the user places a lot of waist. There is a problem that bends or squats and lowers the posture so that the use is inconvenient.

Accordingly, it is an object of the present invention to provide a refrigerator having a basket lift function that can lift a basket when the basket is pulled out, thereby enhancing user convenience.

The above object is, according to the present invention, the main body is provided with a cooling chamber having a front surface opened therein; A frame accommodated in the cooling chamber so as to slide out in the front-rear direction of the main body; A door disposed at the front of the frame to slide the cooling chamber in and out; A basket disposed at an upper side of the frame to form an accommodation space therein; A first link and a second link rotatably connected to one side of the frame and the other side of the second link extending in an oblique upward direction and connected to the basket in parallel with each other; And a link driver configured to pivot one of the first link and the second link so as to be rotatable between an elevated position at which the basket is raised relative to the frame and a lowered position at which the basket is lowered to be supported by the frame. It is achieved by a refrigerator having a basket lift function characterized in that.

Here, the link driving unit preferably includes a link driving motor.

The link driving motor may be configured to be arranged in parallel with at least one of the rotation shafts of the first link and the second link.

It is preferable that the link driving motor is rotatably coupled to the rotation shaft integrally with at least one of the rotation shaft of the first link and the second link.

The link driving motor is disposed along the moving direction of the frame and is integrally connected to any one of the first link and the second link shaft and a drive gear rotatably coupled to the rotation axis of the link driving motor. It is effective to further include an electric gear rotatably coupled to transmit the rotational force of the drive gear to the rotating shaft.

It is preferable to further include a control unit for controlling the link driving motor on the basis of the detection result of the rising detection unit and the falling detection unit for detecting the rising position and the falling position, respectively.

It is effective to further include an operation switch installed to be exposed to the outside of any one of the main body and the door to manipulate the basket to be elevated when the basket is pulled out.

The door is rotatably coupled to the frame, one side is rotatably connected to the door and the other side further comprises a connection link connected to any one of the first link and the second link so as to be able to move relative. desirable.

It is effective to further include a link spring connected to at least one of the first link and the second link to apply an elastic force in the direction in which the basket is raised.

The first link and the second link is preferably formed to have a different interaxial distance so that the basket is inclined with respect to the frame when the basket is raised.

Hereinafter, with reference to the accompanying drawings will be described in detail the present invention.

3 is a perspective view of a refrigerator having a basket lifting function according to an embodiment of the present invention, FIG. 4 is a side view of FIG. 3, FIG. 5 is a partial cutaway plan view of the basket of FIG. 4, and FIG. 6 is of FIG. 4. FIG. 7 is a view illustrating a rising state of a basket, and FIG. 7 is a control block diagram of a refrigerator having a basket lifting function of FIG. 3. The same and equivalent parts as those described above and shown in the drawings will be described with the same reference numerals for convenience of description. As shown in these figures, the refrigerator having the basket elevating function includes a main body 11 having a lower cooling chamber 31 having an open front surface at a lower portion thereof, and a main body in the lower cooling chamber 31. A frame 41 housed in a slide-out direction along the front and rear directions of the 11, a lower door 45 disposed on the front surface of the frame 41 and slidingly opening and closing the front opening of the lower cooling chamber 31; A basket 51 having an upwardly open cylindrical shape and disposed on an upper side of the frame 41 and one side is rotatably connected to the frame 41 and the other side is inclined backwardly and extended to the basket 51 side by side. The basket 51 is supported by the frame 41 and the raised position in which the basket 51 is lifted relative to the frame 41 and the first link 55 and the second link 59 which are connected in a relative motion. Either of the first link 55 and the second link 59 so as to be able to rotate between the lowered falling position It is comprised including the link drive part 65 connected to one.

The upper cooling chamber 21 and the lower cooling chamber 31 are respectively formed in the interior of the main body 11 with the partition walls 17 formed in the vertical direction therebetween, and the upper cooling chamber 21 is provided on the front surface of the upper cooling chamber 21. A pair of upper doors 23 are hinged so as to open and close the seal 21. The machine room 13 in which the compressor 15 etc. are accommodated is formed in the lower rear area | region of the main body 11, and is provided.

On the other hand, a pair of drawers 38 are accommodated in the inner upper region of the lower cooling chamber 31 so as to slide out in the front-rear direction, and a rail 39 supporting the frame 41 so that the frame 41 can be slid out and pulled out is provided. ) Is installed.

The frame 41 is integrally provided at the upper side of the rail 39 so as to be able to flow integrally, and a basket 51 having a cylindrical shape upwardly open and accommodating food is disposed at the upper side of the frame 41. A lower door 45 is disposed in the front region of the frame 41 to slidably open and close the front opening of the lower cooling chamber 31, and the frame 41 can support the lower door 45 to be rotatable. A pair of hinge portions 43 are formed. A door handle part 46 is formed on the front surface of the lower door 45 to facilitate the withdrawal and storage of the lower door 45, and one side of the door handle part 46 is withdrawn from the lower door 45. The operation basket 47 is provided to manipulate the basket 51 to be raised and lowered.

The first link 55 and the second link 59 are connected to both edges of the frame 41 so as to be rotatable with respect to the frame 41, respectively, and the first link 55 and the second link 59 are connected to each other. Each upper end of the) is connected to both sides of the basket 51 so as to be relatively rotatable. One end of the first link 55 is connected to the other end of the link link 62 rotatably connected to the lower door 45 so as to be relatively movable. The upper and lower sides of the first link 55 are rotated along the rotational direction of the second link 59. The rising detector 73 and the falling detector 75 are respectively formed to detect upward rotation and downward rotation of the second link 59.

The link driving unit 65 is rotatably integrated with the link driving motor 67 disposed in the lower direction of the basket 51 along the moving direction of the frame 41 and the rotation shaft 68 of the link driving motor 67. The driving gear 69 is coupled to the lower rotation shaft 60 of the second link 59 so as to be integrally rotatable, and the rotational force of the link driving motor 67 may be transmitted to the second link 59. An electric gear 70 is rotatably engaged with the drive gear 69.

On the other hand, the control unit 71 is implemented in the form of a microcomputer with a built-in control program, a signal is input so that the basket 51 can be raised or lowered when the basket 51 is pulled out, the basket 51 is raised and The operation switch 47 formed on the front of the lower door 45 and the rising position and the lowering position of the second link 59 so as to sense the falling position and control the link driving motor 67 based on the detection result. The rising sensing unit 73 and the falling sensing unit 75 and the link driving motor 67 are respectively electrically connected to each other.

By such a configuration, when storing and / or withdrawing food in the basket 51, the door 41 is pulled forward while the rail 39 is extended and the frame 41 and the basket 51 are pulled forward. This slide is pulled out.

When the basket 51 is to be raised, when the operation switch 47 provided on the front of the lower door 45 is operated, the control unit 71 controls the link driving motor 67 to raise the basket 51. Rotate in the direction of When the link driving motor 67 is rotated, the second link 59 is rotated through the driving gear 69 and the electric gear 70, and the basket 51 is rotated upward. At this time, the lower door 45 connected to the first link 55 and the connection link 62 is rotated downward with respect to the hinge portion 43. When the second link 59 is rotated upward, the rising detection unit 73 detects this, and the control unit 71 causes the driving of the link driving motor 67 to be stopped based on the detection result of the rising detection unit 73. .

On the other hand, when the storage and / or withdrawal of food in the basket 51 is completed, the operation switch 47 is operated so that the basket 51 is lowered, the control unit 71 when a signal is input by the operation switch 47 The link drive motor 67 controls the basket 51 to rotate in the direction in which the basket 51 descends. When the second link 59 is rotated by the link driving motor 67, the lower door 45 connected by the first link 55 and the connection link 62 is rotated upward about the hinge portion 43. . When the first link 55 is rotated downward, the falling detection unit 75 detects this, and the control unit 71 stops driving of the link driving motor 67 based on the detection result of the falling detection unit 75. . When the lowering of the basket 51 is completed and the door handle 46 is grasped and the lower door 45 is pushed backward, the frame 41 is received inside the lower cooling chamber 31 along the rail 39 and the lower portion The door 45 blocks the front opening of the lower cooling chamber 31.

8 is a side view when the basket withdrawal of the refrigerator having a basket lifting function according to another embodiment of the present invention, Figure 9 is a side view when the basket of the rising of FIG. As shown in these figures, the refrigerator having the basket function includes a main body 11 having a lower cooling chamber 31 having a front surface opened therein, and a main body (within the lower cooling chamber 31). 11, a frame 41 that is housed in a slide-out direction along the front and rear directions, a lower door 45 that is disposed on the front of the frame 41, and slides to open and close the front opening of the lower cooling chamber 31; A basket 51 having an open cylindrical shape and disposed on an upper side of the frame 41, and one side is rotatably connected to the frame 41 and the other side is inclined to the rear upper side so as to be parallel to each other to the basket 51. The basket 51 is lowered so that the first link 55 and the second link 59 are movably connected to each other, and the frame 51 is supported by the rising position at which the basket 51 is raised relative to the frame 41. Any one of the first link 55 and the second link 59 to be rotated between the lowered positions It comprises a link driving section 65 connected to.

In the lower cooling chamber 31, the frame 41 is slidably supported by the rail 39 which can be stretched along the front and rear directions, and the hinge portion 43 is formed in the front region of the frame 41. The lower door 45 is rotatably coupled.

A basket 51 is disposed above the frame 41, and both ends of the frame 41 have a first link 55 and one end rotatable with respect to the frame 41 and extend upwardly upward. The second link 59 is coupled to each other. Upper ends of the first link 55 and the second link 59 are connected to both sides of the basket 51 so as to allow relative movement, and one end of the first link 55 is connected to the lower door 45. The other end of the connecting link 62 which is rotatably connected is connected. Here, the first link 55 and the second link 59 is the up and down pivot shaft of the second link 59 so that the front region of the basket 51 is disposed below the rear region when the basket 51 is raised ( 60) the distance between the upper and lower pivot shaft 56 of the first link 55 is shorter than the inter-distance.

On the other hand, the link driving unit 65, the link driving motor 67 disposed along the front and rear directions of the frame 41, and the drive gear 69 is rotatably coupled to the rotation axis of the link driving motor 67 and , The electric gear 70 rotatably coupled to the rotation shaft of the second link 59 and rotatably engaged with the drive gear 69, and the first link 55 and the second link 59. It is provided with a link spring 77 connected to any one of the respective rotating shafts and applying an elastic force in a direction in which the basket 51 is raised.

A link spring 77 implemented in the form of a spiral spring is coupled to the lower pivot shaft of the first link 55 to apply an elastic force in a direction in which the basket 51 is raised. Here, the link spring 77 may be configured in the form of a torsion coil spring, it may be installed on each upper end of the first link 55 and the second link (59).

By this structure, when the operation switch 47 is operated in the state in which the basket 51 is drawn out to the front of the lower cooling chamber 31, the control unit 71 controls the link driving motor 67 to control the basket 51. It is rotated in the rising direction. When the link drive motor 67 is rotated, the second link 59 is rotated by the drive gear 69 and the electric gear 70, and at this time, the link spring connected to the rotation shaft 56 of the first link 55 is rotated. Reference numeral 77 applies an elastic force in a direction in which the first link 55 is rotated upward. When the second link 59 is rotated upward to the rising position, the rising detection unit 73 detects this, and the control unit 71 stops driving of the link driving motor 67 based on the detection result of the rising detection unit 73. To be stopped. The raised basket 51 is inclined with respect to the frame 41 such that the front region of the basket 51 is positioned below the rear region by the difference in the axial distance between the first link 55 and the second link 59. It is arranged to facilitate the withdrawal and storage of food.

On the other hand, when the withdrawal and storage of food in the basket 51 is completed to operate the operation switch 47 so that the basket 51 is lowered, the control unit 71 controls the link driving motor 67 to the basket 51 Rotate in the downward direction. When the second link 59 is rotated downward, the falling detection unit 75 detects this, and the control unit 71 stops driving of the link driving motor 67 based on the detection result of the falling detection unit 75. do. When the lowering of the basket 51 is completed and the lower door 45 is pressed backward, the frame 41 is accommodated in the lower cooling chamber 31 along the rail 39, and the lower door 45 is lower cooled. The front opening of the seal 31 is blocked.

In the above-described and illustrated embodiments, the rotational axis of the link driving motor is arranged along the moving direction of the frame, and the driving shaft and the electric gear are configured to rotate the first link. The output shaft of the reducer may be configured such that the rotating shaft is arranged in parallel with the rotating shafts of the first link and / or the second link, and the drive gear and the electric gear may be configured as spur gears, and the link driving motor may be provided with a reducer. It may be configured to be integrally connected to the rotating shaft of the first link and / or the second link to rotate.

As described above, according to the present invention, there is provided a main body having a lower cooling chamber having a front surface opened at a lower portion thereof, a frame housed in the lower cooling chamber so as to be slidably pulled out along the front and rear directions of the main body, A lower door disposed on the front surface to slide the front opening of the lower cooling chamber to open and close; a basket disposed on the upper side of the frame having an upwardly open cylindrical shape; and one side connected to the frame so as to be rotatable, and the other side inclined backwardly upward. The first link and the second link connected to the basket so as to be able to move relative to the basket in parallel with each other, and the first link to rotate between a rising position at which the basket is raised relative to the frame and a lowering position at which the basket is lowered to be supported by the frame. And by including a link driving unit connected to any one of the second link, the lifting of the basket when the basket is withdrawn It is possible to provide a refrigerator having a basket lift function that can enhance the user's convenience.

Claims (10)

A main body in which a cooling chamber having an open front surface is formed; A frame accommodated in the cooling chamber to be slidably pulled out along the front and rear directions of the main body; A door disposed at the front of the frame to slide the cooling chamber in and out; A basket disposed at an upper side of the frame to form an accommodation space therein; A first link and a second link rotatably connected to one side of the frame and the other side of the second link extending in an oblique upward direction and connected to the basket in parallel with each other; And a link driver configured to pivot one of the first link and the second link so as to be rotatable between an elevated position at which the basket is raised relative to the frame and a lowered position at which the basket is lowered to be supported by the frame. Refrigerator with a basket lift function, characterized in that. The method of claim 1, The link driving unit has a basket lifting function, characterized in that it comprises a link driving motor. The method of claim 2, The link driving motor is a refrigerator having a basket lift function, characterized in that arranged in parallel with at least one of the rotation shaft of the first link and the second link. The method of claim 3, The link driving motor is a refrigerator having a basket lift function, characterized in that the rotating shaft is integrally rotatably coupled to at least one of the rotation shaft of the first link and the second link. The method of claim 2, The link driving motor is disposed along the moving direction of the frame and is integrally connected to any one of the first link and the second link shaft and a drive gear rotatably coupled to the rotation axis of the link driving motor. A refrigerator having a basket lifting function further comprising an electric gear rotatably coupled to transmit the rotational force of the drive gear to the pivot shaft. The method of claim 2, The basket further comprises a control unit for controlling the link driving motor on the basis of the detection result of the rising detection unit and the falling detection unit for detecting the rising position and the falling position, respectively. Refrigerator with lifting function. The method of claim 1, And a control switch installed to be exposed to the outside of any one of the main body and the door to operate the basket so that the basket is lifted when the basket is pulled out. The method according to any one of claims 1 to 7, The door is rotatably coupled to the frame, one side further comprises a connecting link rotatably connected to the door and the other side is connected relative to any one of the first link and the second link. A refrigerator having a basket lift function. The method according to any one of claims 1 to 7, And a link spring connected to at least one of the first link and the second link to apply an elastic force in a direction in which the basket is lifted. The method according to any one of claims 1 to 7, The first link and the second link is a refrigerator having a basket lift function, characterized in that the basket is formed to have a different inter-axle distance so that the basket is inclined with respect to the frame when the basket is raised.

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