KR20100065501A - A refrigerator and shelf height adjustment apparatus for refrigerator - Google Patents

Abstract

PURPOSE: A refrigerator and a shelf height adjusting device for the refrigerator are provided to diversify the space design in the refrigerator by removably mounting a shelf on a mounting frame of which height is adjustable. CONSTITUTION: A refrigerator comprises a main body, a grille fan(200), a shelf height adjusting device, a plurality of mounting slots(210), a guide slot, a fixed shelf(130), and a variable shelf(140). The grille fan divides the storage space of the main body into front and rear parts. The shelf height adjusting device is provided for the rear of the grille fan to be vertically movable. The mounting slots are longitudinally arranged along both sides of the grille fan. The guide slot is longitudinally formed on the same line as the mounting slots. The fixed shelf is selectively installed at any one of the mounting slots and the mounting height of the fixed shelf is adjustable. The variable shelf is installed at the shelf height adjusting device by passing through the guide slot. In the state where the variable shelf is installed, the height of the variable shelf is adjustable.

Description

{A refrigerator and shelf height adjustment apparatus for refrigerator}

The present invention relates to a refrigerator and a refrigerator shelf height adjusting device.

In general, a refrigerator is a home appliance that allows food to be stored at a low temperature in an interior storage space shielded by a door, and is stored by cooling the inside of the storage space using cold air generated through heat exchange with a refrigerant circulating in a refrigeration cycle. It is configured to keep foods in optimal condition.

Such refrigerators are becoming larger and more versatile as the dietary changes and user's preferences are diversified.

Various foods for refrigeration or freezing storage are appropriately stored in shelves, drawers, baskets, etc. provided in the refrigerator, and the drawers, shelves, baskets, etc. partition the interior of the refrigerator to store food having various sizes and storage conditions at low temperature. Make it possible.

On the other hand, the shelf partitioning the interior can be changed in various ways by changing its mounting position, the user can adjust the mounting position of the shelf for the storage of food or containers containing food of various sizes It will make a proper space.

The most typical mounting structure of such a shelf has a structure in which a forming end is formed on the left and right wall surfaces of the shelf and the shelf is mounted thereon. A guide having a plurality of holes is installed on the rear wall surface of the shelf, and the guide hole has a ring shape. There is also a structure configured to mount the shelf in the form of cantilever by combining the shelf formed with the coupling portion. However, in such a structure, there is an inconvenience in using the recombination after separating the shelves in order to adjust the height of the shelves.

In order to solve this problem, a refrigerator has been developed to easily adjust the height of the shelf while the shelf is mounted.

Representatively, Korean Patent Laid-Open Publication No. 1999-0074676 discloses a driving means for forward and reverse rotation according to an operation of an operation switch, a worm shaft for forward and reverse rotation according to an operation of the driving means, a support member having a gear engaged with the worm shaft, Disclosed is a shelf lifting device of a refrigerator including a guide plate coupled to a support member and lifted according to a rotational operation of a gear, and a shelf detachably coupled to the guide plate.

And, Korean Patent Laid-Open Publication No. 1999-0074425, the drive means for forward and reverse rotation according to the operation of the operation switch, the worm shaft is rotated forward and reverse according to the operation of the drive member, the lifting plate which is geared up and down operation with the worm shaft, A shelf apparatus of a refrigerator including a guide plate coupled to a lifting plate and a shelf detachably coupled to the guide plate is disclosed.

An object of the present invention, the shelf height adjustment device for allowing the rack member provided in the mounting framing in which the shelf is detachably mounted is moved up and down by a worm shaft which is rotated by the driving means to adjust the height in the mounted state of the shelf. It is to provide a refrigerator provided.

Another object of the present invention is to adjust the height of the shelf so that the rack member provided in the mounting framing in which the shelf is detachably mounted is moved up and down by a worm shaft which is rotated by the driving means to adjust the height in the state where the shelf is mounted. To provide a device.

Refrigerator according to an embodiment of the present invention, the storage space is formed body; A grill pan partitioning the inside of the storage space forward and backward; Shelf height adjustment device provided to be movable up and down at the rear of the grill pan; A mounting slot disposed so that a plurality of openings thereof are vertically opened along both sides of the grill pan; A guide slot formed to be elongated in the vertical direction on the same line as the mounting slot; A fixed shelf selectively mounted to any one of the plurality of mounting slots, the mounting height of which is adjusted; It is mounted to the shelf height adjusting device through the guide slot, and includes a variable shelf to adjust the height in the mounted state, the shelf height adjusting device, the drive to forward and reverse rotation according to the operation of the operation switch on one side of the main body A member and a worm shaft rotating according to the rotation of the driving member; The rack member is coupled to the worm shaft and the gear is moved up and down is mounted, the mounting frame is mounted to the variable shelf; is configured to include.

In addition, the fixed shelf and the variable shelf is characterized in that formed in the same shape.

In addition, the left and right rear ends of the fixed shelf and the variable shelf is further provided with a locking portion that can be selectively mounted to the mounting slot and shelf height adjustment device.

In addition, the mounting slot is characterized in that the plurality is formed above and below the guide slot.

In addition, a first bevel gear is mounted on the rotation shaft of the driving member, and a second bevel gear geared to intersect the first bevel gear is integrally formed at an end of the worm shaft.

In addition, the refrigerator shelf height adjusting apparatus according to an embodiment of the present invention in another aspect, the drive member for generating a rotational power in accordance with the operation of the operation switch operated by the user; A first bevel gear provided on the rotating shaft of the drive member; A second bevel gear that is geared in a direction crossing the first bevel gear; A worm shaft extending upwardly on the rotation axis of the second bevel gear; A fixing member to which the driving member and the worm shaft are fixedly mounted; A mounting frame detachably mounted to one of a plurality of shelves selectively mounted at various heights in the garage; A grill pan partitioning the inner side between the storage space and the cold air tool, and at least one of the shelves is detachably mounted; It is provided on the mounting frame, and is coupled to the worm shaft is configured to include a rack member that moves in the vertical direction when the rotation of the worm shaft.

In addition, the grill pan is provided with a mounting slot which is opened at predetermined intervals in the vertical direction in both the left and right sides of the grill pan and at least one of the shelves is detachably mounted, and is provided on the same extension line as the mounting slot, A guide slot is further formed along the movement path of the shelf mounted to the mounting frame.

In addition, an end portion of the plurality of shelves is further provided with a locking portion formed to be mounted to both the mounting slot and the mounting frame.

In addition, the rear of the mounting frame is provided with rail guides for guiding the vertical movement of the mounting frame on both sides, and the rail guide and rolling rails in contact with the mounting frame on both sides of the mounting frame is further provided. .

Alternatively, the rail guide may include a guide part extending downward and guiding the vertical movement of the main frame, and a protrusion configured to protrude from the upper and lower ends of the guide part to limit the moving distance of the mounting frame. do.

According to the refrigerator and the refrigerator shelf height adjusting device according to the embodiment of the present invention constituting the above configuration, since the shelf is detachably mounted to a mounting frame which can adjust the height of the shelf, the space structure by the vertical movement of the shelf is, of course, the It is possible to create a space according to the detachment of the shelf, which enables the production of various spaces.

Therefore, it is possible to expect an effect of improving the convenience of use by storing a variety of sizes of the product by varying the space configuration inside the refrigerator compartment.

In addition, a mounting slot for fixing the shelf to be mounted on the grill pan to which the shelf is mounted, and a guide slot for allowing the shelf to be mounted to the mounting frame to be moved up and down are formed, and the height of the shelf can be adjusted by detachment and the height in the mounted state. All adjustable shelves are provided so that the space between the shelves can be configured in various ways.

Therefore, the user can expect the effect of improving the efficiency of the storage by being able to configure a variety of space in storing food of various sizes.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. However, the spirit of the present invention is not limited to the embodiments presented, and other embodiments included within the scope of other inventive inventions or the scope of the present invention can be easily added by adding, changing, or deleting other elements. I can suggest.

1 is a perspective view showing the appearance of a refrigerator according to an embodiment of the present invention, Figure 2 is a front view showing the door of the refrigerator is opened according to an embodiment of the present invention.

Referring to the drawings, the refrigerator 1 is formed in a substantially rectangular parallelepiped shape, and its appearance is defined by a main body 10 having a storage space therein and a door 20 selectively shielding the opened front surface of the main body 10. Is formed.

The inside of the main body 10 is divided into upper and lower sides by the barrier 12 to form the refrigerating chamber 30 and the freezing chamber 40, respectively. The door 20 includes a refrigerator compartment door 22 that shields the refrigerator compartment 30 and a freezer compartment door 24 that shields the freezer compartment 40. The refrigerating compartment door 22 is composed of a pair of doors 20 are configured to be opened and closed by rotating to the left and right sides, the freezer compartment door 24 is pulled out front and rear in the drawer type to open and close the freezer compartment 40. It is configured to be.

On the other hand, the inside of the main body 10 is provided with a plurality of shelves 100 and drawers 50, etc. for storing food, and a plurality of baskets 26 are also mounted on the back of the door 20 to the door It is possible to store food on the back.

In particular, the shelf 100 and the drawers 50 provided in the refrigerating compartment 30 are divided into left and right sides in the refrigerating compartment 30, and each of them can be independently adjusted in height or withdrawn independently. It is configured to enable the production of various spaces.

3 is a front view showing the shelf is separated according to an embodiment of the present invention.

Referring to the drawings, the shelf 100 is provided inside the refrigerating chamber 30 and is mounted on the rear wall of the inside of the refrigerator in a cantilever manner. The shelf 100 is configured to be detachable, forms an outer shape, and is formed on a shelf frame 110 selectively mounted on a high inner side, and forms a surface on which the food can be seated on the shelf frame 110. It consists of a shelf plate 120.

The plurality of shelves 100 mounted in the shed are divided into fixed shelves 130 and variable shelves 140 according to the mounting structure but having the same structure. The fixed shelf 130 is configured to be height-adjustable by detachable like a general shelf, the variable shelf 140 is mounted to the shelf height adjustment device 300 to be described in detail below by the user's operation It is configured to allow height adjustment without detachment.

And, all of these shelves 100 are configured to be detachable through the grill pan 200 partitioning the inside and outside of the storage space in which the refrigerating chamber 30 is formed. In addition, according to a user's needs, the mounting height of the plurality of shelves 100 may be changed on the grill pan 200 so that various spaces may be produced.

The grill pan 200 forms an inner rear wall surface of the refrigerating chamber 30, and is formed in a rectangular plate shape when viewed from the front. The grill pans 200 are disposed on the left and right sides of the refrigerating chamber 30, respectively, and are spaced apart from the inner rear wall of the main body 10 so as to allow movement of cold air through the rear space of the grill pan 200. do.

That is, the inside of the storage space in which the refrigerating chamber 30 is formed by the grill pan 200 may be partitioned in the front and rear, the space in front of the grill pan 200 is formed in the storage space, the grill pan ( 200, the space at the rear side is a space through which cold air supplied from an evaporator (not shown) provided at one side of the main body 10 may flow.

The grill pan 200 may have a flow path and a discharge port formed therein so that cold air may be supplied to various positions inside the refrigerating chamber 30, and a duct (not shown) forming a separate flow path may be formed in the grill pan 200. It may be provided in a space behind the fan 200.

In addition, a plurality of components constituting the shelf height adjusting device 300 may be arranged in the space behind the grill pan 200 formed by the grill pan 200, as shown in FIG. 5.

In addition, mounting slots 210 and guide slots 220 for mounting a plurality of shelves 100 are formed at left and right sides of the grill pan 200. The mounting slots 210 and the guide slots 220 are disposed up and down at both left and right ends of the grill pan 200, respectively. In this case, the mounting slot 210 may be disposed in plural numbers in succession, and may be formed in both the upper and lower or upper and lower portions of the guide slot 220.

The mounting slot 210 is a hook portion 112 protruding from the rear end of the fixing shelf 130 is inserted, the hook portion 112 is drilled into a shape that can be inserted, a plurality of continuous up and down is formed. Therefore, the user can select the mounting height of the fixing shelf 130 according to the position of the mounting slot 210 in which the hook portion 112 is inserted.

On the other hand, the guide slot 220 is to be mounted on the mounting frame 700 to be described later to pass through the rear end of the hook portion 112, it is perforated on an extension line of the mounting slot 210, It is formed by drilling long in the vertical direction. The guide slot 220 is formed to have a length corresponding to the distance that the variable shelf 140 can be moved up and down, and when the variable shelf 140 is mounted up and down, the guide slot 220 of the hanger 112 The vertical movement path is formed.

Figure 4 is an exploded perspective view showing the configuration of the shelf height adjustment device according to an embodiment of the present invention, Figure 5 and Figure 6 is an operating state diagram showing a vertical movement state of the shelf height adjustment device according to an embodiment of the present invention. Referring to the configuration of the shelf height adjustment device 300 with reference to these drawings in detail as follows.

The shelf height adjustment device 300, the driving member 400, the fixing member 500, the mounting frame 700, the rail guide 800, the worm shaft 600, the rack member 720 and the bevel gear ( It is configured to include a 410, 610, it is disposed in the space formed in the rear of the grill pan 200.

The drive member 400 is to provide rotational power for the shangdong of the variable shelf 140, an electric motor can be used. The drive member 400 may be driven by an operation switch 32 provided in the refrigerator, and configured to enable forward and reverse rotation according to the operation of the operation switch 32. In addition, the driving member 400 is configured to be automatically stopped by the load applied when the limiting portion 820 and the mounting frame 700 are to be described below.

The first bevel gear 410 is mounted to the rotating shaft of the drive member 400. The first bevel gear 410 is disposed to rotate in engagement with the second bevel gear 610 to be described below, the rotational force generated by the drive member 400 is perpendicular to the bevel gears (410, 610). Can be delivered.

On the other hand, the drive member 400 is fixedly mounted by the fixing member (500). The fixing member 500 fixes the worm shaft 600, which will be described below, as well as the mounting of the driving member 400, and is fixedly mounted on the rear surface of the grill pan 200 or the inside of the refrigerator. Therefore, the driving member 400 and the worm shaft 600 are driven at a fixed position according to the fixed mounting of the fixing member 500.

The fixing member 500 is formed to be bent to have a substantially 'c' shape when viewed from the side. In addition, the driving member 400 is mounted to the fixing member 500 so that the rotating shaft faces the front, and the worm shaft 600 is vertically disposed in the vertical direction to the bent top and bottom of the fixing member 500 Is mounted.

The worm shaft 600 is rotated by the rotational force transmitted by the bevel gears 410 and 610 and is configured to move the mounting frame 700 to be described in detail below.

The worm shaft 600 may be formed longer than the distance that the variable shelf 140 can be moved in the vertical direction, the upper and lower ends are fixed to the upper and lower surfaces of the fixing member 500. The second bevel gear 610 is formed at a lower end of the worm shaft 600. That is, the worm shaft 600 is integrally formed with the second bevel gear 610 and configured to rotate together when the second bevel gear 610 rotates.

Meanwhile, the variable shelf 140 is mounted to the mounting frame 700. The mounting frame 700 moves up and down along the worm shaft 600, and the variable shelf 140 moves up and down together with the vertical movement of the mounting frame 700. The variable shelf 140 This fixed height can be adjusted.

In detail, the mounting frame 700 is formed to be larger than the width of the variable shelf 140 in the horizontal direction, and when viewed from the rear, is formed in a block shape having a long rectangular shape in the horizontal direction or an empty box. At this time, the inside of the mounting frame 700 is hollow and the upper and lower surfaces are opened so that the flow of cold air through the mounting frame 700 can be smoothly moved through the mounting frame 700. It can be configured to be.

On the other hand, mounting holes 710 are respectively formed on the front left and right sides of the mounting frame 700. The mounting hole 710 is for inserting the hook portion 112 of the variable shelf 140, it is formed to be perforated so that the hook portion 112 is inserted and fixed.

In addition, the mounting holes 710 are provided on the left and right sides of the mounting frame 700 by a pair of upper and lower sides, and the hook part 112 is selectively inserted to be detachable of the variable shelf 140.

The rack member 720 is provided at an approximately center portion of the rear side of the mounting frame 700. The rack member 720 is formed on the surface in contact with the outer circumferential surface of the worm shaft 600, the worm shaft 600 when the worm shaft 600 is rotated by the gear coupling with the worm shaft 600 It can be moved up and down along the.

In addition, since the rack member 720 is fixedly mounted to the mounting frame 700 and is movable together with the mounting frame 700, the mounting frame 700 is vertically mounted according to the rotation of the worm shaft 600. It is possible to move in the direction.

Of course, the rack member 720 is formed as a separate member may be mounted to the mounting frame 700, the gear is formed on the rear surface of the mounting frame 700 is also integrally formed with the mounting frame 700 Will be possible.

On the other hand, the left and right sides of the rack member 720, the rail portion 740 is formed. The rail unit 740 smoothly moves up and down the mounting frame 700, and is mounted with a rolling member 742 such as a plurality of bearings. Therefore, the rolling member 742 of the rail portion 740 is in contact with the rail guide 800, it is possible to facilitate the vertical movement of the mounting frame 700 by the rolling motion.

The rail guide 800 guides the vertical movement of the mounting frame 700 and supports the mounting frame 700. The rail guide 800 may be configured to support the mounting frame 700. It is arranged in the rear. The rail guide 800 is fixedly mounted on the rear surface of the grill pan 200 or fixedly mounted on the rear wall surface of the rear of the grill pan 200.

The rail guide 800 is formed to extend vertically, the guide portion 810 in contact with the rail portion 740 of the mounting frame 700 and the restriction portion protruding inward from the upper and lower sides of the guide portion 810 820.

The guide part 810 is formed to accommodate the rail parts 740 provided on both the left and right rear sides of the mounting frame 700, and the left and right flow of the mounting frame 700 in contact with the rail part 740. Of course, to guide the movement of the vertical direction. In addition, the guide part 810 is formed to have a length corresponding to the vertical movement distance of the variable shelf 140, and is configured to enable smooth sliding throughout the mounting frame 700 is moved up and down.

On the other hand, the limiting portion 820 is formed to protrude in the inward direction from the top and bottom of the guide portion 810. Therefore, when the mounting frame 700 is moved upwards or downwards, the top or bottom of the mounting frame 700 may be in contact with the limiting part 820, and the mounting part may be mounted on the limiting part 820. When the frame 700 is in contact with the frame 700, the movement of the mounting frame 700 is restricted, so that movement in the direction of movement is no longer possible.

Hereinafter, the operation of the refrigerator according to the embodiment of the present invention having the above configuration will be described.

In the state in which the variable shelf 140 is mounted inside the refrigerator 1, the user can operate the operation switch 32 to adjust the height of the variable shelf 140.

That is, when the operation switch 32 is pressed to adjust the height of the variable shelf 140, the driving member 400 operates to rotate the first bevel gear 410 and the first bevel gear. The second bevel gear 610 coupled with 410 rotates together with the first bevel gear 410.

When the second bevel gear 610 is rotated, the worm shaft 600 is rotated together, the rack member gear-coupled with the worm shaft in accordance with the rotation of the worm shaft 600 is interlocked.

That is, when the worm shaft 600 rotates, the rack member 740 geared with the worm shaft 600 is moved up and down along the worm shaft 600. In addition, the mounting frame 700 on which the rack member 740 is mounted moves up and down with the rack member 740, thereby allowing the vertical height of the variable shelf 140 to be adjusted.

On the other hand, the variable shelf 140 may be variously mounted according to the space configuration of the refrigerator compartment 30 desired by the user.

For example, the fixing shelf 130 mounted on the mounting slot 210 may set the upper and lower spaces of the shelf 100 by inserting the fixing shelf 130 in a desired position among the plurality of mounting slots 210. In addition, the variable shelf 140 mounted on the mounting frame 700 through the guide slot 220 may set the upper and lower spaces of the fixed shelf 130 by the manipulation switch 32. .

Therefore, the user can set the upper and lower spaces by adjusting the height of the fixed shelf 130 and the variable shelf 140, it is possible to produce a space that can accommodate food having various heights.

On the other hand, since the variable shelf 140 has the same structure as the fixed shelf 130, the variable shelf 140 mounted on the mounting frame 700 is removed, and the variable shelf is mounted in the mounting slot 210. 140 may be mounted.

In addition, by selectively mounting the shelves 100 mounted on the mounting slot 210 and the mounting frame 700, the space configuration inside the refrigerating compartment 30 may be further varied. That is, by selectively removing the shelf 100 mounted on the mounting frame 700 may implement a wider space.

1 is a perspective view showing the appearance of a refrigerator according to an embodiment of the present invention;

2 is a front view showing a state in which the door of the refrigerator is opened according to an embodiment of the present invention.

Figure 3 is a front view showing a state that the shelf is separated according to an embodiment of the present invention.

Figure 4 is an exploded perspective view showing the configuration of the shelf height adjustment device according to an embodiment of the present invention.

5 and 6 is an operating state showing the vertical movement of the shelf height adjustment device according to an embodiment of the present invention.

Claims (10)

A body in which a storage space is formed; A grill pan partitioning the inside of the storage space forward and backward; Shelf height adjustment device provided to be movable up and down at the rear of the grill pan; A mounting slot disposed so that a plurality of openings thereof are vertically opened along both sides of the grill pan; A guide slot formed to be elongated in the vertical direction on the same line as the mounting slot; A fixed shelf selectively mounted to any one of the plurality of mounting slots, the mounting height of which is adjusted; It is mounted to the shelf height adjusting device penetrates through the guide slot, and includes a variable shelf to adjust the height in the mounted state, The shelf height adjustment device, A drive member for forward and reverse rotation according to an operation of the operation switch on one side of the main body, A worm shaft rotating according to the rotation of the driving member; And a mounting frame mounted with a gear member coupled to the worm shaft to move upward and downward, and a mounting frame to which the variable shelf is mounted. The method of claim 1, The fixed shelf and the variable shelf is characterized in that the refrigerator is formed in the same shape. The method of claim 1, Refrigerators are formed on the left and right rear ends of the fixed shelf and the variable shelf further comprises a locking portion that can be selectively mounted to the mounting slot and the shelf height adjustment device. The method of claim 1, And a plurality of mounting slots are formed above and below the guide slot. The method of claim 1, And a first bevel gear is mounted on the rotation shaft of the driving member, and a second bevel gear is integrally formed at the end of the worm shaft to be coupled to intersect the first bevel gear. A drive member for generating rotational power in response to an operation of an operation switch operated by a user; A first bevel gear provided on the rotating shaft of the drive member; A second bevel gear that is geared in a direction crossing the first bevel gear; A worm shaft extending upwardly on the rotation axis of the second bevel gear; A fixing member to which the driving member and the worm shaft are fixedly mounted; A mounting frame detachably mounted to one of a plurality of shelves selectively mounted at various heights in the garage; A grill pan partitioning the inner side between the storage space and the cold air tool, and at least one of the shelves is detachably mounted; The mounting frame is provided, the refrigerator shelf height adjustment device comprising a rack member geared to the worm shaft and moved in the vertical direction when the worm shaft is rotated. The method of claim 6, In the grill pan, A mounting slot which is opened at predetermined intervals in the vertical direction from both left and right sides of the grill pan, and at least one of the shelves is detachably mounted; And a guide slot provided on the same extension line as the mounting slot and opening along a moving path of the shelf mounted to the mounting frame. The method of claim 7, wherein Refrigerator shelf height adjustment device is formed on the end of the plurality of shelves further comprises a locking portion formed to be mounted to both the mounting slot and the mounting frame. The method of claim 6, The rear of the mounting frame is provided with rail guides to guide the vertical movement of the mounting frame on both sides, Refrigerator shelf height adjustment device is provided on both sides of the mounting frame corresponding to the rail guide further comprises a rail for rolling movement in contact with the mounting frame. The method of claim 9, The rail guide is, A guide part extending in a vertical direction to guide vertical movement of the main frame; Refrigerator shelf height adjustment device is formed on the upper and lower ends of the guide portion, respectively, including a limiting unit for limiting the moving distance of the mounting frame.

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