KR20080029046A - Assembling structure of drawer for refrigerator - Google Patents

Abstract

A drawer mounting structure for a refrigerator is provided to control a position of a guide block, which secures a drawer, by an elastic element even when the measure of an inner case is changed, thereby preventing mounting failure of the drawer due to measure errors and the deviation of the drawer out of guide rails. A drawer mounting structure for a refrigerator includes an elastic supporting element(700) mounted at a surface of a guide rail which is mounted at both side wall surfaces in a main body of the refrigerator. The elastic supporting element support both side ends of a drawer(500), wherein the elastic supporting element is controllable in the length by an elastic element(740) so as to be kept in contact with the drawer. The elastic supporting element has a guide block(720) having a side inserted into an indented mounting hole of the guide rail and the other side exposed to the outside to contact the drawer, and the elastic element mounted at an end of the guide block in contact with an inner end of the mounting hole for supplying unidirectional elasticity to the guide block. A securing part(722) is extended from the other end of the guide block vertically to be inserted into a fitting part(520) 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.

5 is an exploded perspective view showing the configuration of another embodiment of a refrigerator drawer mounting structure according to the present invention;

6A and 6B are cross-sectional views schematically showing an operating state of a preferred embodiment of a 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. Elastic support

720.Guide block 722. Seating part

722a. Seating protrusion 722b. Home

740. Elastic member

The present invention relates to a refrigerator, and more particularly, to a refrigerator drawer mounting structure provided with a guide rail for supporting mounting of a drawer, an elastic support member flowing in a horizontal direction by elasticity of an elastic member to prevent detachment of the drawer. It is about.

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 changes and 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 the outside is bent again to form the edge 42.

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 guide rail for supporting the mounting of the drawer is provided with an elastic support member which flows in the lateral direction by the elasticity of the elastic member to remove the drawer. It is to provide a refrigerator drawer mounting structure to prevent.

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; A guide rail installed on the inner left and right wall surfaces of the main body corresponding to the position at which the drawer is mounted and supporting the drawer; It is provided on one side of the guide rail, comprising an elastic support for supporting both ends of the drawer, the elastic support is active in length to maintain contact with the drawer by the elastic member provided on one side Phosphorus adjustment is possible.

One side of the guide rail is recessed and formed in a shape corresponding to the elastic support, and a mounting hole into which the elastic support is inserted is further formed.

The elastic support is a guide block is formed so that one side is inserted into the inside of the mounting opening, the other side is exposed to the outside and in contact with the drawer; It is provided on one side end of the guide block and is mounted to contact the inner end of the mounting hole, it comprises an elastic member for providing an elastic force in one direction to the guide block.

One side end of the guide block is formed in a shape corresponding to the shape of the outer end of the drawer is further provided with a seating portion for mounting the drawer.

The guide block is formed long in the longitudinal direction of the guide rail.

The elastic support is mounted a plurality of at a predetermined interval before and after.

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. The drawer 500 forms a food storage space, and is configured to slide out / retract like the general drawer 500. In addition, 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.

An inner surface of the guide rail 600, that is, a surface facing the inner side of the refrigerating chamber 300 is mounted with an elastic support 700 to be described in detail below, and the drawer 500 is mounted on the elastic support 700. It is configured to be seated.

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 lower sides of the upper drawer 500, the receiving portion 520 is further formed to be seated on the elastic support 700 to 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, as shown in the figure, one side of the guide rail 600 toward the inner surface of the refrigerating compartment 300 (Fig. On the left side 4, mounting holes 620 are formed to be recessed vertically to the inside of the guide rail 600, respectively.

The mounting hole 620 is for mounting the elastic support 700 to be described in detail below, is formed to have a cross-sectional shape corresponding to the cross-sectional shape of the guide block 720 to be described below, the guide block ( It is formed to have a depth as short as the length of 720). Therefore, when the guide block 720 is mounted, a part of the guide block 720 is formed to be exposed to the outside of the mounting hole 620.

In addition, the mounting hole 620 is formed corresponding to the number of the elastic support 700 to be described in detail below. That is, when a plurality of elastic support 700 is mounted on one guide rail 600, a plurality of mounting holes 620 are correspondingly formed, and these mounting holes 620 are mounted on the same extension line. It may be desirable to be mounted at a position spaced apart in the front and rear direction.

On the other hand, the elastic support 700 is mounted to the mounting hole 620 is configured to include a guide block 720 and the elastic member 740. The guide block 720 supports the drawer to be seated and to correct the mounting position of the drawer 500, and is formed in a substantially hexahedral block shape.

 The guide block 720 may be formed in a shape corresponding to the insertion hole 620 formed in the guide rail 600 so as to be inserted into the mounting hole 620 and may be flowed while being withdrawn / inserted into the mounting hole 620. It may be desirable to have a somewhat smaller cross-sectional shape than the mounting holes 620.

A seating portion 722 is formed at the left end of the guide block 720 to allow the drawer 500 to be seated. The seating portion 722 is formed in a corresponding shape so as to be inserted into the recessed inside of the receiving portion 520 (shown in FIG. 6) formed at the left and right ends of the drawer 500, and below the drawer 500. The drawer 500 is supported.

Looking at this in more detail, the seating portion 722 formed on the left end of the guide block 720 is composed of a seating protrusion 722a and a seating groove 722b. The seating protrusion 722a is formed to extend vertically upward from the left end of the upper surface of the guide block 720 by a predetermined length upward to be inserted into the receiving portion 520 of the drawer 500. It is formed to extend.

In addition, a seating groove 722b is formed at an inner side (as seen in FIG. 4) of the seating protrusion 722a. The seating recess 722b is recessed downward by a predetermined depth, and the outer end of the receiver 520 is seated when the seating protrusion 722a is inserted into the receiver 520. It is located at 722b.

Therefore, the seating portion 722 and the receiving portion 520 is formed in a shape corresponding to each other so that the seating portion 722 supports the receiving portion 520 when the drawer 500 is seated, Withdrawal / admission of the drawer 500 allows the receiving part 520 to slide while being supported by the seating part 722.

Meanwhile, an elastic member 740 is provided at one end (right end in FIG. 4) of the guide block 720 inserted into the guide rail 600. The elastic member 740 is to provide an elastic force to the guide block 720, it is preferable that a generally used compression spring is employed, it is provided at one end of the guide block 720 is the guide block When the 720 is inserted, it is interposed between the guide block 720 and the inner surface of the mounting hole 620.

Therefore, when an external force is applied to the guide block 720 and the guide block 720 is inserted into the mounting hole 620, the elastic member 740 is compressed to the guide block 720. When the external force applied to the guide block 720 is reduced or decreased, the guide block 720 protrudes outwardly of the mounting hole 620 by the elasticity of the elastic member 740.

As described above, the guide block 720 is elastically movable in the insertion direction, ie, in the left and right directions when viewed in FIG. 4, by the elastic member 740 from the inside of the mounting hole 620, and in the elastic support 700. As a result, the mounting position of the drawer 500 can be compensated.

The elastic support 700 may be provided in plural in the guide rail 600, and preferably may be formed in the front and rear half of the inner surface of the guide rail 600, as shown in FIG.

Meanwhile, as illustrated in FIG. 5, only one guide block 720 may be mounted on the guide rail 600. In this case, the guide block 720 may be used to stably support the drawer 500. The rail 600 is formed to have a length corresponding to the length of the front and rear direction.

In addition, a plurality of elastic members 740 may be mounted at one end of the guide block 720 at a predetermined interval, and the shape of the mounting hole 620 of the guide rail 600 into which the guide block 720 is inserted. It may be preferable to be formed long in the front and rear direction to correspond to the length of the guide rail 600.

In addition, since the configuration of the seating portion 722 formed at the other end of the guide block 720 is the same as that of the preferred embodiment of the present invention, a detailed description thereof will be omitted.

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.

6A and 6B are cross-sectional views 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 provided inside the refrigerating compartment 300. ) Is mounted to the guide rail 600 on the left and right inner wall to be mounted.

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 elastic support 700 is mounted on the guide rail 600. That is, the guide block 720 mounted with the elastic member 740 is mounted to the mounting hole 620. At this time, the elastic member 740 mounted to the guide block 720 is the mounting hole 620. It is supported on the inner side of the) is mounted so as to be interposed between the guide block 720 and the inner surface of the mounting hole (620). Of course, the guide rail 600 may be coupled to the inner case 140 in a state in which the elastic support 700 is mounted.

Next, the drawer 500 is mounted on the guide rail 600. At this time, the mounting protrusion 722a of the elastic support 700 is mounted to be accommodated inside the receiving part 520. That is, an upper portion of the seating protrusion 722a is accommodated inside the accommodating part 520, and the seating protrusion 722a is mounted to support the left and right sides of the drawer 500 from below.

The outer end of the accommodation part 520 is accommodated in the seating groove 722b or positioned above the seating groove 722b so that the drawer 500 and the guide block 720 are viewed as a whole. Only the projections 722a and the receiving portion 520 are in contact with each other to enable a smooth sliding withdrawal of the drawer 500.

On the other hand, when the dimensional deformation of the inner case 140 occurs in the foam filling of the heat insulating material 160 during the molding process of the refrigerator main body 100 is shown in Figure 6a and 6b by the action of the elastic support 700 As noted, the position of the drawer is compensated.

Looking at this in more detail, when the guide rail 600 is located on the inner side (left in Figure 6a) than the original position by the deformation of the inner case 140, the guide when the drawer 500 is seated The block 720 enters the inner side of the guide rail 600 (the right side in FIG. 6A), and compresses the elastic member 740.

That is, even if the guide rail 600 is located somewhat inward, the mounting position is compensated by the elastic support 700 so that normal mounting is possible without a mounting failure of the drawer 500.

In addition, when the guide rail 600 is positioned outside the original position (the right side in FIG. 6B) due to the deformation of the inner case 140, the guide block 720 is mounted when the drawer 500 is seated. It protrudes to the outside of the guide rail 600 (left side in Figure 6b), the elastic member 740 is relatively more compressed. At this time, the elastic member 740 also has a state in which the elastic force is provided to the guide block 720, but compared with the state of Figure 6a has a slight difference in the compression force.

In this way, even if the guide rail 600 is located somewhat outside, the mounting of the drawer 500 is stably made by the protrusion of the guide block 720, so that the removal of the drawer 500 can be prevented. .

In addition, the elastic member 740 of the guide block 720 may not only cause a dimensional defect due to the shaping of the refrigerator main body 100, but also when the refrigerator main body 100 is tilted or the drawer 500 swings during use. By actively adjusting the position, removal of the drawer 500 is prevented.

On the other hand, the elastic support 700 is not only provided on the left and right sides of the drawer 500, a plurality of the one side of the guide rail 600 is also provided to each other in various dimensional deformation of the inner case 140 Compensation for the position allows 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 draw / receive the drawer 500, and the drawer 500 slides along the seating portion 722. Withdraw / receive while

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 exemplary embodiment of the present invention, for example, the drawer 500 is mounted on the elastic support 700. However, the present invention is not limited to the drawer 500, but the shelf 400 has a 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 though the elastic support is provided on the guide rail on which the drawer is mounted, the position of the guide block on which the drawer is seated is adjusted by the elastic member of the elastic support even if the inner case is deformed.

Accordingly, the mounting stability of the drawer can be secured by preventing the drawer of the drawer due to an error in the dimensions of the drawer or preventing the drawer from being detached from the guide rail.

Second, since the elastic member actively adjusts the position of the guide block by the error of the dimension for mounting the drawer, the assembling work of the drawer is easier and the defect rate of the product is reduced.

Third, even if the drawer is somewhat deformed due to the load or temperature during the continuous use of the drawer, it is possible to mount the drawer stably due to the active position adjustment of the elastic support, so that it is not necessary to replace or repair the drawer. This improved effect can also be expected.

Claims (6)

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 guide rail installed on the inner left and right wall surfaces of the main body corresponding to the position at which the drawer is mounted and supporting the drawer; Is provided on one side of the guide rail, and comprises an elastic support for supporting both ends of the drawer, The elastic support is a refrigerator drawer mounting structure, characterized in that the active member is adjustable in length to maintain the contact state with the drawer by the elastic member provided on one side. The method of claim 1, One side of the guide rail is formed recessed in a shape corresponding to the elastic support, the refrigerator drawer mounting structure, characterized in that the mounting opening is further formed is inserted into the elastic support. The method of claim 2, The elastic support, A guide block having one side inserted into the mounting hole and the other side exposed to the outside to be in contact with the drawer; And a resilient member provided at one end of the guide block and in contact with the inner end of the mounting hole to provide an elastic force in one direction to the guide block. The method of claim 3, wherein Refrigerator drawer mounting structure characterized in that the one side end of the guide block is formed in a shape corresponding to the outer end shape of the drawer to allow the drawer is seated further formed. The method of claim 4, wherein The guide block is a refrigerator drawer mounting structure, characterized in that formed long in the longitudinal direction of the guide rail. The method of claim 4, wherein The elastic support is a refrigerator drawer mounting structure, characterized in that the plurality is mounted at a predetermined interval before and after.

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