KR20080029044A - Assembling structure of drawer for refrigerator - Google Patents

Abstract

A drawer mounting structure for a refrigerator is provided to keep a mounting position of a drawer uniformly by rotation of variable supporting elements even when an inner case is deformed in the measure thereof, thereby preventing the deviation of the drawer and improving stability. A drawer mounting structure for a refrigerator comprises a drawer(500) mounted in a main body for defining storing spaces for keeping food, guide rails mounted at both side wall surfaces of an inner case(140) of the main body at positions corresponding to drawer mounting positions, and variable supporting elements fixed to a side of the guide rails in contact with an outer end of the drawer for rotating the drawer in the insertion/withdrawal direction, wherein the drawer is secured on the variable supporting elements. The variable supporting element has a supporting rod(720) extended from a side of the guide rail to an inside of the main body, a fixed shaft(740) protruded vertically at both sides of an end of the supporting rod to be fixed in a mounting hole(620) of the guide rail, and a supporting shaft(760) protruded vertically upward at the other end of the supporting rod for supporting the drawer. A rotation roller(780) in the circular plate shape is fitted on the supporting shaft rotatively for the smooth insertion/withdrawal of the drawer.

Description

{Assembling structure of drawer for refrigerator}

1 is a front view showing a state in which a door of a typical refrigerator is opened.

Figure 2 is a partially cutaway perspective view showing a state in which the drawer of the refrigerator according to the prior art is mounted.

Figure 3 is a partial perspective view showing a state in which a refrigerator drawer is adopted that a preferred embodiment of the refrigerator drawer mounting structure according to the present invention is removed.

Figure 4 is an exploded perspective view showing the configuration of a preferred embodiment of the refrigerator drawer mounting structure according to the present invention.

Figure 5 is a cross-sectional view showing a state in which the drawer is a main component of the preferred embodiment of the refrigerator drawer mounting structure according to the present invention is mounted.

Figure 6 is a schematic diagram showing the operating state of the preferred embodiment of the refrigerator drawer mounting structure according to the present invention.

Explanation of symbols on the main parts of the drawings

100. Body 120. Barrier

140. Inner case 160. Insulation

200. Freezer 300. Refrigerator

320. Refrigerator door 340. Basket

400. Shelf 500. Drawer

520. Receiving section 600. Guide rail

620. Mounting holes 700. Variable support

720. Support rod 740. Fixed shaft

760. Support Shaft 780. Rotary Roller

782. Through Hole

The present invention relates to a refrigerator, and more particularly, a variable support for adjusting a contact position with a drawer or a shelf by pivoting is mounted on a guide rail supporting a drawer / retractable drawer to prevent detachment of the drawer or the shelf. It relates to a refrigerator drawer mounting structure.

In general, a refrigerator is a device for low-temperature storage of food, and stored in a refrigerator or refrigerated according to the state of the food to be stored.

The cold air supplied to the inside of the refrigerator is generated by the heat exchange action of the refrigerant, is continuously supplied into the refrigerator while repeatedly performing a cycle of compression, condensation, expansion, and evaporation, and the supplied refrigerant is supplied by convection. It is evenly distributed inside the refrigerator to store food in the refrigerator at a desired temperature.

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

Hereinafter, the configuration of such a refrigerator will be described with reference to the drawings.

FIG. 1 is a front view showing a door of a general refrigerator opened, and as shown in the drawing, the outer shape of the refrigerator is formed by a main body 1 having a substantially rectangular parallelepiped shape.

The inner side of the main body 1 is largely divided into left and right sides to form a freezing chamber 10 and a refrigerating chamber 20, respectively, and the front surface of the main body 1 is formed to be opened. The freezing chamber door 12 and the refrigerating chamber door 22 are mounted on the opened front surface of the main body 1, that is, the open front surfaces of the freezing chamber 10 and the refrigerating chamber 20.

The freezer compartment door 12 and the refrigerating compartment door 22 are rotatably mounted on the opened front surfaces of the freezer compartment 10 and the refrigerating compartment 20, respectively, and rotate the left and right sides of the freezer compartment 20 and the freezer compartment 10, respectively. ) Is selectively shielded.

Although not shown, the freezer door 12 and the refrigerating chamber door 22 may be purified with a home bar that may store foods that are frequently withdrawn / intake without opening or closing the refrigerating chamber door 22 for improved convenience of use. It is further provided with a dispenser for easily taking out water or ice from the outside.

In addition, a plurality of baskets 30 are formed on the rear surfaces of the freezing chamber door 12 and the refrigerating chamber door 22 to form a food storage space.

Meanwhile, the freezer compartment 10 and the refrigerating compartment 20 are provided with a plurality of drawers 40 and shelves 50, and the freezer compartment 10 and the refrigerating compartment (by the plurality of drawers 40 and shelves 50). 20) the inner side is partitioned to form a storage space, the drawer 40 and the shelf 50 is configured to accommodate food or containers containing food.

2 is a partially cutaway perspective view illustrating a drawer of a refrigerator according to the related art, as shown in the drawing, wherein the drawer 40 is recessed downward to form a space, and a circumference extends upward After being bent outward again, the edge 42 is formed.

In addition, a guide rail 60 is installed on an inner wall surface of the refrigerator main body 1 corresponding to a position at which the drawer 40 is mounted for mounting the drawer 40.

The guide rail 60 is formed in a rectangular plate shape that is formed to be long in the longitudinal direction to allow the drawer 40 to be pulled out / retractable, the lower portion of the guide rail 60, the drawer 40 Receiving portion 62 is formed to be recessed inward so that the edge 42 corresponding to the left and right ends of the ().

The accommodating part 62 is elongated back and forth to guide the withdrawal / mouth of the drawer 40, while supporting the lower surface of the rim 42 to allow the drawer 40 to be mounted.

The guide rail 60 having such a configuration may be preferably formed by injection molding of a plastic material, and is fixedly coupled to the inner case 2 forming the inner surface of the main body 1 by a screw.

In addition, the inner case 2 is filled with a heat insulating material 3 for blocking heat exchange with the outside to prevent cold air loss inside the refrigerator.

However, the above conventional technologies have the following problems.

In the prior art as described above, as shown in FIG. 2, the heat insulating material 3 is foam filled in the inner case 2, and when the heat insulating material 3 is filled, the heat insulating material 3 is not filled locally. Alternatively, when too much charge is made, the inner wall surface of the refrigerator main body 1 formed by the inner case 2 becomes uneven.

When the guide rail 60 is fixed to the uneven surface, the guide rail 60 is inclined or difficult to mount the correct position.

Therefore, when the drawer 40 is mounted, the edge 42 of the drawer 40 is detached from the inside of the receiving portion 62 of the guide rail 60 and is easily removed or is too close to the drawer 40. It will not only reduce the stability in the use of the product, such as inhibiting the sliding draw / mouth, but also lowers the convenience of use.

Of course, this problem will be the same for various configurations including shelves as well as the drawers.

An object of the present invention is to solve the problems of the prior art as described above, the variable support which is adjusted to the contact position with the drawer or shelf by rotating the guide rail for supporting the drawer / retractable is mounted It is to provide a refrigerator drawer mounting structure to prevent the removal of the drawer or shelf.

Refrigerator drawer mounting structure according to the present invention for achieving the above object is a main body forming the skeleton of the refrigerator; A drawer mounted to partition a space in which food is stored inside the main body and forming a food storage space; Guide rails installed on the inner left and right wall surfaces of the main body corresponding to the position at which the drawer is mounted to support the drawer; One end is fixed to one side of the guide rail to be rotatable in the pull out / mouth direction of the drawer, and the other end is formed to contact the outer end of the drawer is configured to include a variable support on which the drawer is seated.

The variable support includes a support rod extending from the side of the guide rail in the inward direction of the main body; A fixed shaft protruding vertically from one side end of the support rod and fixed to the inside of the guide rail to serve as a center of rotation of the support rod; Protruding upwardly vertically from the other end of the support rod, it comprises a support shaft for supporting the drawer from below.

In the center of the support shaft, a rotating roller which is formed in a disk shape in contact with the drawer to facilitate the drawing / out of the drawer is rotatably mounted.

The variable support is provided in plural on the same extension line of the guide rail.

Both side ends of the drawer are formed to be elongated in the front-rear direction so as to be recessed upwardly to accommodate the upper end of the support shaft.

According to the present invention having such a configuration, even if the flow of the drawer or the inner side of the main body on which the drawer is mounted is somewhat deformed, the shelf can be fixedly mounted without being removed, and the stability can be expected to be improved.

Hereinafter, a preferred embodiment of the refrigerator drawer mounting structure according to the present invention having the configuration as described above will be described in detail.

The refrigerator ice making means according to the present invention may be applied to various types of refrigerators without being limited by the shape of the refrigerator. However, the present invention is only limited to the side by sided refrigerator for easy explanation. no.

Since the overall configuration of the refrigerator is similar to that of a general refrigerator, detailed descriptions of the same parts will be omitted.

3 is a partial perspective view showing a state in which a refrigerator drawer in which a preferred embodiment of the refrigerator drawer mounting structure according to the present invention is adopted is removed, and as shown in the drawing, the main body 100 of the refrigerator is left and right by the barrier 120. Each compartment is divided into a freezer compartment 200 and a refrigerating compartment 300.

In addition, the freezing chamber 200 and the refrigerating chamber 300 are selectively shielded by a freezing chamber door (not shown) and a refrigerating chamber door 320, respectively, and a plurality of baskets 340 are provided in the freezing chamber door and the refrigerating chamber door 320. It is provided to accommodate food.

A plurality of shelves 400 and a drawer 500 are provided inside the freezing compartment 200 and the refrigerating compartment 300, and the food compartment is stored horizontally by dividing the inside of the freezing compartment 200 and the refrigerating compartment 300 in a horizontal direction. To form independent spaces for The plurality of drawers 500 and shelves 400 are each withdrawable / retracted, or selectively detachable to be able to produce a variety of configurations for the storage of food.

An inner shape of the inner body of the main body 100, that is, the freezing chamber 200 and the refrigerating chamber 300 is formed by an inner case 140. In addition, the inner case 140 is formed of a plastic material that is relatively easy to mold, and the heat insulating material 160 is foam-filled inside the inner case 140 to fill the freezer compartment 200, the refrigerating compartment 300, and the refrigerator. The heat exchange with the outside of the main body 100 is blocked.

On the other hand, the inner side of the refrigerating chamber 300 is provided with a drawer 500. A guide rail 600 is provided on an inner wall surface of the refrigerating compartment 300 corresponding to a position at which the drawer 500 is mounted for mounting the drawer 500.

The guide rail 600 supports the drawer to be mounted, and is formed in a rectangular plate shape having a predetermined thickness and coupled to left and right inner wall surfaces of the refrigerating chamber 300. At this time, the guide rail 600 is fastened to the inner case 140 by a screw to exhibit a stable fixing force when the drawer 500 is mounted.

On the other hand, the drawer 500 mounted on the guide rail 600 is in the shape of a rectangular box with an upper surface opened like the shape of a general drawer 500, and formed of a transparent or semi-transparent material to easily recognize foods stored therein. It is formed to. In addition, the upper and left sides of the upper and lower sides of the drawer 500 is further provided with a receiving portion 520 to be seated on the variable support 700, which will be described in detail below.

Figure 4 is an exploded perspective view showing a configuration of a preferred embodiment of the refrigerator drawer mounting structure according to the present invention, Figure 5 is a cross-sectional view showing a state in which the drawer is a main component of the preferred embodiment of the refrigerator drawer mounting structure according to the present invention.

As shown in these drawings, mounting holes 620 recessed to the outside are formed on the inner surface of the guide rail 600 mounted on both inner side surfaces of the refrigerating chamber 300 and facing each other.

The mounting hole 620 is for mounting the variable support 700 to be described in detail below, it is formed in a corresponding shape so that the fixed shaft 740 to be described below can be rotatably mounted.

In addition, the mounting holes 620 are formed corresponding to the number of the variable supports 700 to be described in detail below. That is, when a plurality of variable supports 700 are mounted on one guide rail 600, a plurality of mounting holes 620 are also formed correspondingly, and these mounting holes 620 are formed back and forth on the same extension line. It would be desirable.

On the other hand, the variable support 700 is mounted to the mounting hole 620 is composed of a support rod 720, a fixed shaft 740, a support shaft 760 and a rotating roller 780. The support rod 720 is formed to extend to have a predetermined length so that the support rod 720 may protrude in the inward direction of the refrigerating chamber 300 when mounted to the guide rail 600.

A fixed shaft 740 protruding in the vertical direction is formed at one end of the support rod 720 inserted into the mounting hole 620 of the guide rail 600. The fixed shaft 740 protrudes vertically from one side end of the support rod 720 in the vertical direction and is mounted inside the mounting hole 620 of the guide rail 600.

In addition, the mounting hole 620 into which the support rod 720 is inserted may be formed to be opened in the front and rear direction in which the support rod 720 rotates to enable smooth rotation of the support rod 720. will be.

Therefore, the support rod 720 can be rotated in the front-rear direction about the fixed shaft 740, wherein the rotation direction of the support rod 720 and the withdrawal / entry direction of the drawer 500 Rotate in the same direction.

The other end of the support rod 720 is formed with a support shaft 760 protruding upward. The support shaft 760 is formed to protrude upward from the other end of the support rod 720 to be accommodated in the receiving portion 520 of the drawer 500, the receiving portion 520 of the drawer 500 ) Is supported from below.

The support shaft 760 is formed in an annular bar shape having a predetermined diameter and penetrates the rotary roller 780. The rotating roller 780 is formed in a disc shape having a predetermined diameter, and is mounted on the support shaft 760 so as to rotate in contact with the outer surface of the drawer 500.

That is, a through hole 782 having a size corresponding to the support shaft 760 is formed at an approximately center portion of the rotary roller 780, and is mounted such that the through hole 782 is penetrated by the support shaft 760. do. At this time, the upper end of the support shaft 760 may be formed to protrude further by a predetermined length above the rotary roller 780.

On the other hand, looking at the receiving portion 520 of the drawer 500 in more detail, the receiving portion 520 is formed by bending the upper end of the drawer 500 to the outside, the bent end is bent downward again to the The upper end of the support shaft 760 is formed to be accommodated inside the receiving portion 520.

At this time, the left and right width of the receiving portion 520 is formed so as to have a gap enough to be in contact with the outer wall surface of the drawer 500 when receiving the support shaft 760.

Hereinafter, the operation of the refrigerator drawer mounting structure according to the present invention having the configuration as described above will be described with reference to the drawings.

6 is a state diagram schematically showing an operating state of a preferred embodiment of a refrigerator drawer mounting structure according to the present invention. As shown in FIGS. 3 to 6, the drawer 500 is mounted inside the refrigerating compartment 300. The guide rail 600 is mounted on the left and right inner walls.

The guide rail 600 is fixedly coupled to the inner case 140 by a screw, and the heat insulating material 160 is foam-filled inside the inner case 140 so that the inner case 140 is somewhat in shape. Deformation of the dimension may occur.

After the mounting of the guide rail 600 is completed, the variable support 700 is mounted on the guide rail 600. The fixed shaft 740 of the variable support 700 is mounted inside the mounting hole 620, whereby the variable support 700 is rotatably mounted. Of course, the guide rail 600 may be coupled to the inner case 140 while the variable support 700 is mounted.

Next, the drawer 500 is mounted on the guide rail 600. At this time, the support shaft 760 of the variable support 700 is mounted to be accommodated inside the receiving part 520. That is, the upper portion of the support shaft 760 is accommodated inside the receiving portion 520 is mounted so that the support shaft 760 can support the left and right sides of the drawer 500 from below.

On the other hand, when the dimensional deformation of the inner case 140 of the refrigerating chamber 300 when the drawer 500 is mounted on the variable support 700, the support rod 720 of the variable support 700 is shown in FIG. As shown in the drawing, the drawer 500 may be mounted at a position in which the drawer 500 is slightly moved to the left and right sides by rotating about the fixed shaft 740.

That is, when the guide rail 600 is mounted in a state in which the guide rail 600 protrudes inwardly (left in FIG. 6) due to the dimensional deformation of the inner case 140, the variable support 700 rotates clockwise to support the shaft. By allowing the 760 to be positioned somewhat outside, it is possible to maintain the mounting position of the drawer 500.

In addition, the variable support 700 is provided not only on the left and right sides of the drawer 500, but also on the side of the guide rail 600, and is provided with a plurality of variable supports 700. To compensate for the drawer 500 to be mounted stably.

After the mounting of the drawer 500 is completed, the user slides the front and rear of the drawer 500 to withdraw / draw the drawer 500. Eternal, the outer surface of the drawer 500 is in contact with the outer circumferential surface of the rotary roller 780 mounted to the support shaft 760 of the variable support 700, the relative movement with respect to the sliding of the drawer 500 Rotating roller 780 is rotated it is possible to more smoothly withdraw / draw out of the drawer (500).

The scope of the present invention is not limited to the above 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 embodiment of the present invention has been described for example that the drawer 500 is mounted on the variable support 700, the present invention is not limited to the drawer 500, shelf 400 of the drawable / retractable structure Or may be applied to the basket 340.

In addition, although the embodiment of the present invention has been described with the drawer 500 provided in the refrigerating chamber 300 as an example, it will be apparent that the present invention is applicable to the freezing chamber 200 as well as the refrigerating chamber 300.

In the refrigerator drawer mounting structure according to the present invention as described in detail above has the following effects.

First, even if dimensional deformation of the inner case occurs by the rotation of the variable support provided on the guide rail on which the drawer is mounted, the mounting position of the drawer can be kept constant, thereby preventing the drawer from being removed and improving stability. You can expect the effect.

Second, in spite of the dimensional deformation of the inner case to which the guide rail is mounted, it is possible to expect the effect of reducing the defective rate due to dimensional error as well as the stable installation of the drawer as well as the sliding withdrawal / inlet operation smoothly.

Third, even if the drawer is somewhat deformed due to load or temperature during continuous use of the drawer, it is possible to expect the effect of improving product life by being able to compensate for this by the rotation of the variable support.

Claims (5)

A main body forming a skeleton of the refrigerator; A drawer mounted to partition a space in which food is stored inside the main body and forming a food storage space; A drawer mounted to partition an inside of the main body to form a food storage space; Guide rails installed on the inner left and right wall surfaces of the main body corresponding to the position at which the drawer is mounted to support the drawer; One end is fixed to one side of the guide rail so as to be rotatable in the pull out / mouth direction of the drawer, the other end is formed to contact the outer end of the drawer characterized in that it comprises a variable support on which the drawer is seated Drawer mounting structure. The method of claim 1, The variable support, A support rod extending from one side of the guide rail in an inward direction of the main body; A fixed shaft protruding vertically from one side end of the support rod and fixed to the inside of the guide rail to serve as a center of rotation of the support rod; Refrigerator drawer mounting structure characterized in that it is formed to protrude vertically upward from the other end of the support rod, including a support shaft for supporting the drawer from below. The method of claim 2, In the center of the support shaft, the refrigerator drawer mounting structure, characterized in that it is formed in a disc shape in contact with the drawer is rotatably mounted to rotate the rotating roller to facilitate the drawing / opening of the drawer. The method of claim 2 or 3, The variable support body is a refrigerator drawer mounting structure, characterized in that provided with a plurality on the same extension line of the guide rail. The method of claim 4, wherein Refrigerator drawer mounting structure, characterized in that the receiving portion is formed long in the front and rear direction recessed upwardly to accommodate the upper end of the support shaft at both ends of the drawer.

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