KR20040059043A - Shelf mounting structure for refrigerator - Google Patents

Abstract

PURPOSE: A shelf mounting structure of a refrigerator is provided to effectively utilize a storage space in the refrigerator by easily changing a gap between a shelf and a movable shelf at user's intension by driving a power transmitting device by a rotary knob installed to the front end of the movable shelf. CONSTITUTION: A shelf mounting structure of a refrigerator is composed of a shelf(60) on which stored articles are put, installed in the refrigerator; a movable shelf(70) on which the stored articles are put, mounted to the upper part of the shelf to move up and down; a supporting bar(72) of which the lower end is hinge-combined to the shelf and the upper end is hinge-combined to the movable shelf to support the movable shelf; and a power transmitting device for transmitting power to the supporting bar. The movable shelf moves up and down by interlocking with operations of the power transmitting device. The power transmitting device comprises a rotary knob(81) for generating rotary power; a plurality of rotary shafts(83,91) for transmitting rotary power generated by the rotary knob; and worms(85,89) and worm wheels(85',89') disposed to the ends of the rotary shafts to transmit the rotary power of the rotary shaft to the other crossing rotary shaft.

Description

Shelf mounting structure for refrigerator

The present invention relates to a refrigerator, and more particularly to a shelf installation structure of the refrigerator that can be adjusted up and down height.

1 illustrates a configuration of a general parallel refrigerator. As shown in the figure, a freezer compartment and a refrigerating compartment, which are storage spaces, are partitioned by the barriers 2 in the refrigerator main body 1, and a freezer compartment 3 is located on the left side and a refrigerating compartment 5 on the right side. Is located. In addition to the case where the freezing chamber 3 is formed side by side of the refrigerating chamber 5 as shown in the drawing, the freezing chamber 3 and the refrigerating chamber 5 may be formed up and down.

In addition, the lower part of the refrigerating chamber (5) may be provided with a separate vegetable chamber (7), the cold air discharge port (9) for discharging the cold air is formed on the upper rear. Although not shown, the cold air outlet 9 is an outlet through which cold air generated from an evaporator, which is a heat exchanger provided at a rear end of the cold compartment 5, is supplied to the cold compartment 5, and the cold air is supplied through the cold air outlet 9. Circulates inside the refrigerator and comes into contact with the storage.

The freezer compartment 3 and the refrigerating compartment 5 are each provided with a shelf 11 for placing a stock. The shelf 11 is installed at a plurality of predetermined spaces up and down depending on the size of the storage space and partitions the storage space so that more storage can be stored. In addition, the shelf 11 is mounted on the hook groove 15 formed in the shelf base 13 provided up and down at both ends of the rear side of the refrigerator. The hook groove 15 is shaped to hook the ring 12 provided at the rear end of the shelf 11 to be described below.

On the other hand, Figure 2 shows the configuration of the shelf 11 in detail. According to this, the shelf 11 is largely composed of a shelf portion 11 'and a frame 11 ". The shelf portion 11' is a portion on which the storage is placed, and the frame 11 "is a part which supports the said shelf part 11 'and hangs on the said shelf base 13. As shown to FIG. To this end, a ring 12 is formed at the rear end of the frame 11 ″, and a protrusion 12 ′ is formed at the lower side of the ring 12 to horizontally support the shelf 11.

In addition, a freezer compartment 21 and a refrigerating compartment door 23 for shielding the freezer compartment 3 and the refrigerating compartment 5 from the outside and selectively opening and closing the storage space are provided at both ends of the refrigerator body 1, respectively. do. A basket 25 is also installed on the rear surfaces of the freezer compartment door 21 and the refrigerating compartment door 23 to store the stored matter.

In the refrigerator having such a configuration, the storage is placed on the upper surface of the shelf 11 while keeping the freezing compartment 3 and the refrigerating compartment 5 at a predetermined temperature, respectively, and the door is to be withdrawn. Open (21, 23) to take out the storage.

However, the prior art as described above has the following problems.

The shelf 7 divides the freezing compartment 3 and the refrigerating compartment 5 to the left and right so that the storage is placed on the upper surface thereof, and the hook groove formed in the shelf base 13 installed on the rear wall of the refrigerator. It is mounted on 15 hooked.

In addition, the shelf 11 needs to efficiently use the storage space of the refrigerator by appropriately adjusting its installation interval according to the height of the stored object. However, in the related art, in order to change the height of the shelf 11 during use, the hook 12 of the shelf 11 is pulled out of the hook groove 15 of the shelf base 13, and then into another hook groove 15. The hook 12 must be hooked up and secured.

At this time, when the storage is placed on the top of the shelf 11, after removing all of the storage, the shelf 11 must be separated from the shelf stand 13, recombined, and stored again. This is cumbersome

In addition, even when the shelf 11 is separated and reassembled as described above, since the moving interval of the shelf 11 is limited by the vertical gap of the hook groove 15 formed in the shelf base 13, any position desired by the user. There is a problem that can not be installed on.

Accordingly, an object of the present invention is to solve the problems of the prior art as described above, and to provide a shelf mounting structure of a refrigerator which can be easily adjusted in height.

1 is a perspective view showing the internal configuration of a general parallel refrigerator.

Figure 2 is a side view showing the configuration of a shelf according to the prior art.

Figure 3 is a perspective view of the interior of the refrigerator compartment is adopted a preferred embodiment of the shelf mounting structure of the refrigerator according to the present invention.

Figure 4 is a side view of the refrigerator shelf installation structure shown in FIG.

5 is a plan view showing the configuration of a power transmission device constituting the main portion of the refrigerator shelf installation structure according to the present invention.

Figure 6 is a rear view of the power train shown in Figure 5;

Explanation of symbols on the main parts of the drawings

60. Shelf 62. Shelf Base

64. Hook groove 66. Hook

70. Mobile Lathe 72. Support

74. Long groove 76. Rotary wheel

81. Rotating handle 83. First rotating shaft

85. First worm 85 '. 1st Worm Wheel

87. Second rotary shaft 89. Second worm

89 '2nd Worm Wheel 91. 3rd Rotating Shaft

93. Bolt portion 93 '. Nut part

95. Moving part 97. Supporting part

According to a feature of the present invention for achieving the above object, the present invention is installed in the refrigerator, the upper surface and the shelf on which the storage is placed; A movable shelf installed on the upper side of the shelf so as to be movable up and down, and on which an upper surface of the shelf is placed; A lower end hinge-coupled to the shelf, and a movable support upper end hinge-coupled to the movable shelf to support the movable shelf; A power transmission device for transmitting power to the support; The mobile lathe is moved up and down in association with the operation of the power transmission device.

The power transmission device includes a rotation generator for generating rotational power, a plurality of rotation shafts for transmitting the rotational force generated by the rotation generation unit, and other rotation shafts formed at the end of the rotation shaft to cross the rotational force of the rotation shafts with each other. It is configured to include a power transmission means for transmitting.

The power transmission means is composed of a worm and a worm wheel.

The rotation generating unit is installed at the distal end of the moving shelf, and comprises a rotation knob which is rotated by the attraction.

The support is composed of two pairs, the center portion is hinged to each other is configured to cross, one side is fixed and the other side is respectively installed on the shelf and the movable shelf to move back and forth, guides the shangdong of the movable shelf do.

According to the shelf installation structure of the refrigerator according to the present invention having such a configuration, there is an advantage that the height of the shelf can be easily adjusted to effectively utilize the storage space of the refrigerator.

Hereinafter, a preferred embodiment of a shelf installation structure of a refrigerator according to the present invention having the configuration as described above will be described in detail with reference to the accompanying drawings.

3 is a perspective view showing the inside of a refrigerator compartment in which a preferred embodiment of the shelf mounting structure of the refrigerator according to the present invention is employed, and FIG. 4 is a side view of the refrigerator shelf mounting structure according to the present invention.

As shown in these drawings, the freezer compartment and the refrigerating compartment, which are storage spaces, are formed side by side by the barrier 52 in the refrigerator main body 50. In general, the freezer compartment 54 is located on the left side and the refrigerating compartment 56 on the right side. ) Is located.

The freezer compartment 54 and the refrigerating compartment 56 are each provided with a shelf 60 for placing a stock. The shelf 60 is installed at a plurality of intervals up and down according to the size of the storage space and partition the storage space to allow more storage.

The shelf 60 is mounted on the hook groove 64 formed in the shelf support 62 provided up and down at both ends of the rear side of the refrigerator. At the rear end of the shelf 60, a ring 66 is formed to protrude rearward and is hooked to the hook groove 64, and the lower part of the ring 66 supports the shelf 60 to maintain horizontality. The support protrusion 68 is formed to protrude rearward and is installed to contact the shelf support 62.

In addition, at both ends of the shelf 60, a lower end of the support 72 described below is seated and a long groove 74 for sliding is formed back and forth with a predetermined size.

A moving shelf 70 is installed above the shelf 60, and the moving shelf 70 is supported by the support 72. The support 72 is a pair of first support 72 'and the second support 72 "is installed on both sides of the shelf 60, respectively, the first support 72' and the second support 72 "cross each other in the form of an" X "and are joined by a hinge at the center. Then, the lower end of the support 72 is connected to the shelf 60, the upper end is connected to the moving shelf 70.

The support 72 is shown in detail in the installation state in Figure 4, according to this in more detail, the first support is coupled by the hinge to the left side of the long groove 74 formed on the side end of the shelf (60) The upper end of the 72 'is hinged to the moving part 95 to be described below, which is installed at the side end of the moving shelf 70 and slides.

The second support 72 "is installed to intersect with the first support 72 ', the upper end is hinged to the side end of the movable shelf 70, the lower end is a long groove 74 formed in the shelf (60) ) Is moved forward and backward. And, the lower end of the second support (72 ") is further provided with a rotary wheel 76 for smoothly moving forward and backward along the long groove (74).

A power transmission device 80 for moving the movable shelf 70 up and down is installed below the movable shelf 70. This power transmission device 80 is shown in detail in Figures 5 and 6, according to which is provided with a rotary knob 81 coupled to the tip of the mobile shelf 70, generated by the rotary knob 81 The first rotary shaft 83 which transmits the rotational force is formed to the rear of the rotary knob 81.

A first worm 85 is formed at the rear end of the first rotation shaft 83 and is gear-coupled with the first worm wheel 85 ′ provided below. The first worm wheel 85 ′ is integrally formed on the outer circumferential surface of the central portion of the second rotation shaft 87 installed to intersect with respect to the first rotation shaft 83 vertically.

The second rotary shaft 87 is formed long left and right at the bottom of the rear end of the moving shelf 70, and second worms 89 are formed at both ends. The upper portion of the second worm 89 is provided with a second worm wheel (89 ′) that is geared to the second worm 89, the second worm wheel (89 ') is the lower end of both sides of the movable shelf (70) Is formed at the rear end of the third rotary shaft 91 formed in front and rear. In addition, the third rotary shaft 91 has a length equal to or less than half of the first rotary shaft, and is installed at the lower rear half of both side ends of the movable shelf 70.

A bolt portion 93 having a plurality of threads is formed at the front end of the third rotation shaft 91. Outside the bolt portion 93 is provided with a moving portion 95 that can move back and forth in accordance with the rotation of the third rotary shaft 91 to surround the bolt portion (93). The inner surface of the through hole formed to penetrate the inside of the moving part 95 is formed with a nut portion 93 'which is screwed with the bolt 93. The upper end of the first support 72 ′ is hinged to the lower end of the moving part 95.

And, as shown in Figure 4, the side of the moving shelf 70 is supported by the moving portion 95, the support portion 97 for guiding the moving portion 95 to slide back and forth is formed to a predetermined length. .

Hereinafter, the operation of the refrigerator shelf installation structure according to the present invention having the configuration as described above will be described with reference to FIGS. 3 to 6.

A storage is placed on top of the shelf 60 and the simple shelf 60, and a storage having a high height is to be stored at the top of the movable shelf 70 or the shelf 60 during storage of the storage. At this time, it is necessary to adjust the distance between the movable shelf 70 and the shelf 60 by moving the movable shelf 70 up and down.

First, the process of moving the moving shelf 70 upwards will be described. When the rotary knob 81 is turned clockwise, the first rotation shaft 83 rotates clockwise, and the rotational force is transmitted to the first worm 85 formed at the rear end of the first rotation shaft 83. The first worm wheel 85 'is rotated by the clockwise rotation of the first worm 85.

As the first worm wheel 85 'is rotated, the second worm 89 rotates, and at the same time, the second worm wheel 89' which is geared to the second worm 89 rotates counterclockwise. . Accordingly, the third rotation shaft 91 fixed to the second worm wheel 89 'is rotated so that the bolt 93 formed at the tip of the third rotation shaft 91 rotates counterclockwise.

As the bolt portion 93 rotates counterclockwise, the moving portion 95 screwed with the bolt portion 93 moves forward. When the moving part 95 moves forward, the first support 72 ′ hinged thereto is gradually raised vertically. Accordingly, an upper end of the first support 72 ′ and an upper end of the second support 72 ″ are gradually closer to each other. At this time, the rotary wheel 76 formed at the lower end of the second support 72 ″ is formed in the long groove ( 74) to move forward.

When the first support 72 ′ and the second support 72 ″ face each other by the above operation, the movable shelf 70 gradually rises upward, and reaches the height intended by the user. If it stops the rotation knob 81 is to stop the upward movement of the moving shelf 70.

Next, looking at the process of moving the moving shelf 70 downward, the power transmission device 80 is operated in the opposite direction to the above.

That is, when the rotation knob 81 is turned counterclockwise, the first rotation shaft 83 rotates clockwise. The rotation force is the first worm 85, the first worm wheel and the second worm 89. ) And the second worm wheel 89 ′ are transmitted to the third rotation shaft 91.

Therefore, the bolt portion 93 formed at the tip of the third rotary shaft 91 rotates clockwise. As the bolt portion 93 rotates in the clockwise direction, the movable portion 95 installed on the side of the movable shelf 70 which is screwed with the bolt portion 93 moves backward. When the moving unit 95 moves backward, the first support 72 ′ hinged thereto is gradually laid horizontally. Accordingly, an upper end of the first support 72 'and an upper end of the second support 72 "gradually move away from each other. In this case, the rotary wheel 76 formed at the lower end of the second support 72" may have the long groove ( 74) to move backwards.

By the above operation, the moving shelf 70 is gradually lowered, and when the interval between the shelf 60 and the moving shelf 70 is narrowed to the interval intended by the user, the rotary knob 81 ) To stop the movement of the downward movement of the moving shelf (70).

The scope of the present invention is not limited to the above-exemplified embodiments, and many other modifications based on the present invention will be possible to those skilled in the art within the above technical scope.

For example, in the above, the worm and the worm wheel are used as the power transmission means, but in addition to these means, it is also possible to be configured to be geared to each other using a bevel gear.

In the shelf mounting structure of the refrigerator according to the present invention having the configuration as described above, the shelf is fixedly installed, and the movable shelf which is movable up and down on the upper side of the shelf, and supports the movable shelf on both sides of the shelf A support for guiding up and down was installed, and a power transmission device was installed for the Shanghai-dong of the mobile shelf.

Therefore, since the power transmission device is driven by a rotation knob provided at the tip of the mobile shelf, the space between the shelf and the mobile shelf can be easily changed and used by the user, thereby efficiently utilizing the storage space inside the refrigerator. There is an advantage to that.

That is, since the movable shelf can be installed at any position desired by the user by a simple operation, almost all the storages can be stored regardless of the height of the stored storage.

Claims (5)

A shelf installed inside the refrigerator and on which a storage is placed; A movable shelf installed on the upper side of the shelf so as to be movable up and down, and on which an upper surface of the shelf is placed; A lower end hinge-coupled to the shelf, and a movable support upper end hinge-coupled to the movable shelf to support the movable shelf; A power transmission device for transmitting power to the support; Shelf mounting structure of the refrigerator, characterized in that the moving shelf is moved up and down in conjunction with the operation of the power transmission device. The power transmission apparatus of claim 1, wherein the power transmission device includes a rotation generating unit for generating rotational power, a plurality of rotational shafts for transmitting the rotational force generated by the rotational generating unit, and an end of the rotational shaft, Shelf mounting structure of the refrigerator characterized in that it comprises a power transmission means for transmitting to the other rotating shaft to cross each other. The shelf mounting structure of claim 2, wherein the power transmission means comprises a worm and a worm wheel. The shelf mounting structure of a refrigerator according to claim 2, wherein the rotation generator is provided at a distal end of the moving shelf and includes a rotation knob which is rotated by a manpower. According to claim 1, The support is made of a pair of two, the center is hinged to each other is configured to intersect, one side is fixed to each other is installed on the shelf and the moving shelf to move back and forth, the movement Shelf mounting structure of a refrigerator, characterized by guiding the shanghai east of the shelf.