KR20060094586A - Double-withdrawal structure of vegetable box for refrigerator - Google Patents

Abstract

The present invention relates to a double withdrawal structure of a vegetable box in which the sliding rail is pulled out / inserted along the rail guide mounted on the inner wall surface of the refrigerator main body, and the vegetable box is drawn out / inlet under the guide of the sliding rail.

Vegetable box double drawing structure according to the present invention, the rail guide 400 formed on both side walls of the inside of the refrigerator; A rail rolling member 480 provided on one side of the rail guide 400 and rotating; A sliding rail 300 mounted inside the rail guide 400 and sliding back and forth in contact with the rail cloud member 480; A vegetable box 200 which is pulled out / back and forth along the sliding rail 300 and forms a space for storing food; It is provided on each side of one side of the vegetable box 200, and comprises a box cloud member 240 that rotates while in contact with one side of the sliding rail (300). According to the present invention having such a configuration, the takeout structure of the vegetable box is simplified, there is an advantage that the productivity is improved.

Refrigerator, Dual export, Vegetable box, Sliding rail

Description

{Double-withdrawal structure of vegetable box for refrigerator}

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

Figure 2 is a side view showing the structure of a two-stage rail and a vegetable box of the refrigerator according to the prior art.

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

Figure 4 is a side view showing an exploded structure of a preferred embodiment of the vegetable box double withdrawal structure according to the present invention.

Figure 5 is an exploded cross-sectional view showing a coupling structure of a preferred embodiment of the vegetable box double withdrawal structure according to the present invention.

Figure 6 is a state diagram showing a state in which the vegetable box of the preferred embodiment of the vegetable box double withdrawal structure according to the present invention completely inserted.

7 is a view showing a state in which the vegetable box of the preferred embodiment of the vegetable box double withdrawal structure according to the present invention is completely withdrawn.

Explanation of symbols on the main parts of the drawings

100. Refrigerator 120. Shelf

140. Drawer 160. Box Cover

200. Vegetable Box 220. Vegetable Box Door

222. Box handle 224. Opening and closing button

240. Box cloud member 260. First withdrawal protrusion

300. Sliding rail 320. Roll member

322. Locking groove 340. Contact

360. 2nd withdrawing protrusion 400. Rail guide

420. Mounting surface 422. Screw hole

440. Rail compartment 444. Removal strip

460. Mounting parts for rolling members 480. Rail rolling members

The present invention relates to a drawer of a refrigerator, and more particularly, a sliding rail is pulled out / inserted along a rail guide mounted on an inner wall surface of the refrigerator main body, and a vegetable box is pulled out / filled in by receiving a guide of the sliding rail. Of the double withdrawal 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, and 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.

1 is a front view showing a state in which a door of a general refrigerator is opened. As shown in the drawing, the main body 10 of the refrigerator is formed in a rectangular parallelepiped shape, and the inside of the main body 10 has food in the upper and lower portions, respectively. The refrigerator compartment 20 for cold storage and the freezer compartment 30 for freezing are partitioned and formed.

The spaces of the refrigerating chamber 20 and the freezing chamber 30 each form an independent space, and the front surface is formed to be opened. The front of the opened main body is selectively opened and closed by the door 22, the door 22 is a refrigerator compartment door 22 to shield the refrigerating chamber 20 of the upper body 10, and the lower portion of the main body 10 It is composed of a freezer compartment door 32 that shields the freezer compartment 30.

The refrigerating chamber door 22 is formed at both left and right sides of the main body 10 and is hinged so that both ends thereof are fixed to the main body 10 and rotated. Therefore, the user can selectively open and close the opened front surface of the refrigerating compartment 20 by rotating the refrigerating compartment door 22 to the left / right.

In addition, foods of various sizes and states are stored in the refrigerating compartment 20 and the refrigerating compartment door 22, and the inside of the refrigerating compartment 20 and the inner side surface of the refrigerating compartment door 22 for their storage. It is provided with a plurality of drawers 24, shelves 26 and baskets 28, etc. to store food to suit the characteristics of the food to be stored.

In the drawer 24, a vegetable box 40 for storing vegetables or fruits is formed. The vegetable box 40 is formed at a relatively lower side of the refrigerating chamber 20, and the depth of the storage space, that is, the depth of the vegetable box 40 is formed somewhat deeper to accommodate even vegetables and fruits of relatively large size.

The vegetable box 40 is formed to be pulled out while sliding back and forth, and when the vegetable box 40 is pulled forward, the opened upper surface of the vegetable box 40 is exposed to facilitate food storage.

On the other hand, the lower part of the main body 10, that is, the open front surface of the freezing chamber 30 is selectively shielded by the freezing chamber door 32. The freezer compartment door 32 is formed to selectively shield the opened front surface of the freezer compartment 30 while sliding forward and backward.

An upper portion of the freezer compartment door 32 is provided with a freezer compartment handle 34 so as to protrude forward so that the user can easily grip it. Accordingly, when the freezer compartment handle 34 is pulled while grasping, the freezer compartment door 32 is pulled forward after being slightly tilted, and when closed, the freezer compartment 32 is closed.

In addition, a plurality of drawers and baskets are provided inside the freezing compartment 30 to separate and store various foods, and one side of the freezing compartment 30 is provided with an ice maker 36 for making ice.

Figure 2 is a side view showing the structure of a two-stage rail and a vegetable box of the refrigerator according to the prior art, the vegetable box 40 is formed in the shape of a drawer having a predetermined space on the inside, the front of the box handle 42 Is formed so that the user can easily grip the withdrawal / input of the vegetable box 40.

The vegetable box 40 is mounted on the two-stage rail (50). The two-stage rail 50 is mounted on both side walls of the refrigerating chamber 20 and includes a rail case 52, a rail guide 54, a first drawing rail 56, and a second drawing rail 58. The vegetable box 40 is fixed at both sides so that the vegetable box 40 slides back and forth, withdrawal / mouthing.

The rail case 52 is injection molded to receive the rail guide 54 for mounting the rail therein, and is formed of a plastic material so as to be fixed to an inner wall surface of the refrigerating compartment 20.

The rail guide 54 mounted inside the rail case 52 is fixed to the inside of the rail case 52 by guiding the first drawing rail 56 to slide. The rail guide 54, the first draw rail 56, and the second draw rail 58 are formed of a metal material such as stainless steel by sliding while moving relative to each other.

Meanwhile, a first drawing rail 56 is mounted inside the rail guide 54, and a second drawing rail 58 is mounted inside the first drawing rail 56. The first drawing rail 56 slides back and forth along the rail guide 54, and the first drawing rail 56 slides along the second drawing rail 58.

Upper and lower surfaces of the first drawing rail 56 in contact with the rail guide 54, and the first drawing rail 56 on one side of the second drawing rail 58 in contact with the first drawing rail 56. A plurality of rolling members 60, such as bearings or rollers, are provided to help smooth sliding of the second drawing rails 58.

In addition, the first pull-out rail 56 is coupled to the upper side of the vegetable box 40, the two-stage rail 50 is equipped with the first pull-out rail 56 of the refrigerating chamber 20 The inside of the vegetable box 40 is fixed to the inside while the inlet / slide while sliding back and forth from the inside of the refrigerator compartment 20 by the two-stage rail (50).

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

The two-stage rail 50 to which the vegetable box 40 is mounted includes the rail case 52, the rail guide 54, the first draw rail 56, and the second draw rail 58. Cloud members 60 are provided on the upper and lower surfaces of the first drawing rail 56 and the second drawing rail 58 to slide back and forth while contacting the rail guide 54 and the first drawing rail 56, respectively. .

Therefore, the number of components that are configured for withdrawal / entry of the vegetable box 40 is more than necessary, and not only the types of components constituting each of them, but also each processing process is different, so that the total work required to manufacture the product Increasing production costs, as well as the overall productivity falls.

In addition, the draw distance of the vegetable box 40 is not so long as compared to the number and type of components constituting the two-stage rail 50, so there is a problem of low efficiency.

Accordingly, an object of the present invention is to solve the problems of the prior art as described above, the sliding rail is drawn out / drawn along the rail guide mounted on the inner wall surface of the refrigerator body, the vegetable box is guided by the sliding rail It is to provide a double withdrawal structure of vegetable box with which the withdrawal / receiving is carried out.

According to a feature of the present invention for achieving the above object, a rail guide formed on both side walls of the inside of the refrigerator; A rail cloud member provided on one side of the rail guide to rotate; A sliding rail mounted inside the rail guide and sliding back and forth in contact with the rail cloud member; A vegetable box which is pulled in and out along the sliding rails back and forth and forms a space for storing food; It is provided on each side of one side of the vegetable box, characterized in that it comprises a box cloud member that rotates while contacting one side of the sliding rail.

The rail cloud member is provided below the rail guide.

The rail guide is recessed inward, the rail receiving portion for receiving the sliding rail; It is configured to include a rolling member mounting portion formed in the lower surface of the rail receiving portion to form a mounting space of the rail cloud member.

One side of the rail receiving portion is formed to protrude to the inside of the rail receiving portion, the removal prevention piece for preventing the removal of the sliding rail is further formed.

The upper end of the rail rolling member is formed higher than the inner lower surface of the rail guide.

On one side of the surface where the rail guide and the sliding rail contact, a locking projection and a locking groove are formed in a shape corresponding to each other to limit the withdrawal / entrance distance of the sliding rail.

The sliding rail is recessed inwardly, and accommodates the cloud member for receiving the box cloud member; Is formed protruding from the lower side of the cloud member receiving portion, and comprises a contact portion in contact with the rail cloud member.

One side of the cloud member accommodating portion and one side of the vegetable box are formed in a shape corresponding to each other to determine the withdrawal of the vegetable box is formed with a projection protrusion for preventing the removal.

According to the present invention having such a configuration, the withdrawal structure of the vegetable box can be simplified, and productivity can be improved by reducing the number of parts and labor.

Hereinafter, with reference to the accompanying drawings, a preferred embodiment of the vegetable box double withdrawal structure according to the present invention having the configuration as described above will be described in detail.

Since the overall configuration of the refrigerator is the same as or similar to a general refrigerator, a detailed description of the overall configuration of the refrigerator will be omitted.

3 is a partial perspective view showing that the vegetable box of the refrigerator employing a vegetable box double drawing structure according to the present invention is removed, as shown in the drawing, a plurality of shelves inside the refrigerating chamber 100 120 and a drawer 140 is provided.

The vegetable box 200 is provided at a lower portion of the refrigerating chamber 100 among the plurality of drawers 140. The vegetable box 200 is for storing vegetables or fruits having a relatively large size, and is provided in the lower part of the refrigerating chamber 100 in which the cold is weak so that the food is not deteriorated by the strong cold and is formed in the form of a drawer and excessive cold air. It blocks the inflow of water.

The vegetable box 200 has a drawer shape having an upper surface opened, and when the vegetable box 200 is inserted into the refrigerating chamber 100, the upper surface opened by the box cover 160 is shielded to form an independent storage space. Therefore, while being relatively less affected by the internal cold air of the refrigerating chamber 100, it is possible to store vegetables or fruits at an appropriate temperature.

On the other hand, the vegetable box 200 is mounted so as to be slidable by the rail guide 400 and the sliding rail 300 to be described in detail below, withdrawal / entrance to the front and rear, withdrawal / mouth of the vegetable box 200 The rail guide 400 for guiding is installed at a position corresponding to an inner wall surface of the refrigerating chamber 100, that is, both side surfaces of the vegetable box 200.

Figure 4 is a side view showing an exploded structure of a preferred embodiment of the vegetable box double withdrawal structure according to the present invention, Figure 5 is a cross-sectional view showing an exploded view of the coupling structure of a preferred embodiment of the vegetable box double withdrawal structure according to the present invention.

As shown in these drawings, the front of the vegetable box 200 is rotated forward by a predetermined angle on the basis of the lower side vegetable box door to open the upper surface and the front part of the vegetable box 200 220 is provided.

A box handle 222 is formed at an upper end of the vegetable box door 220 to facilitate the user's gripping, and the box handle 222 has an opening / closing button for controlling opening and closing of the vegetable box door 220. 224 is provided.

And, the box handle 222 is used as a handle for the opening and closing of the vegetable box 200 as well as the opening and closing of the vegetable box door 220.

On the other hand, the upper end of both sides of the rear side of the vegetable box 200 (left in Figure 4) is provided with a box cloud member 240. The box cloud member 240 is rotated while contacting one side of the sliding rail 300 to be described below, withdrawal / mouth of the vegetable box 200 is determined by the rotation of the box cloud member 240. .

The upper sides of both sides of the vegetable box 200 has a shape bent slightly vertically to the outside of the box, and is adjacent to one side of the sliding rail 300 to be described below. In addition, a first drawing protrusion 260 protruding upward is further formed at one side of the rear end portion (left side in FIG. 4) of the vegetable box 200, and more specifically, at the rear side of the box cloud member 240.

The first drawing protrusion 260 selectively contacts the second drawing protrusion 360 formed in a shape corresponding to one side of the sliding rail 300 to be described below, and according to the withdrawal of the vegetable box 200. The withdrawal of the sliding rail 300 is determined by contacting the second drawing protrusion 360 formed on one side of the sliding rail 300.

The upper side of both sides of the vegetable box 200, that is, the sliding rail 300 is mounted on both sides of the box cloud member 240. The sliding rail 300 guides the sliding of the box cloud member 240 and simultaneously slides back and forth under the guidance of the rail guide 400 to be described in detail below, and is formed long in the horizontal direction, and the sliding rail The length of the withdrawal distance of the vegetable box 200 is determined according to the length of the 300.

On the other hand, the sliding rail 300 is always made in contact with the box cloud member 240 and the rail cloud member 480 to be described below is formed of a metal material resistant to wear and deformation, the box cloud member It will be preferable to be formed in a form bent a plurality of times for contact with the 240 and the rail cloud member 480.

The sliding rail 300 includes a rolling member accommodating portion 320 and the contact portion 340. The cloud member accommodating part 320 forms an upper portion of the sliding rail 300 and is recessed inwardly so as to accommodate the box cloud member 240, that is, its cross section is approximately 'c' shaped ( As seen in FIG. 5).

Thus, the box cloud member 240 is rotated while being in contact with the lower surface of the cloud member receiving portion 320 in a state accommodated inside the cloud member receiving portion 320 can be withdrawn / retracted vegetable box 200 Make sure

In addition, a locking groove 322 is formed on the left side (as seen in FIG. 5) of the cloud member accommodating part 320. The locking groove 322 is combined with the locking projection 442 formed on one side of the rail guide 400 to be described in detail below to limit the drawing distance of the sliding rail 300, the box cloud member 240 It is formed so as to be long open from the center of the middle to the latter half.

In addition, the second drawing protrusion 360 is formed to protrude downward from the upper surface of the first half of the cloud member accommodating part 320. The second withdrawal protrusion 360 is in contact with the first withdrawal protrusion 260 formed at one side of the vegetable box 200 when the vegetable box 200 is withdrawn. It is formed in a corresponding shape.

On the other hand, the lower side of the cloud member receiving portion 320, that is, the lower portion of the sliding rail 300 is formed by the contact portion 340. The contact portion 340 is formed in a substantially '⊃' shape (see in Figure 5), the end surface is formed to be recessed in the opposite direction to the recessed direction of the cloud member receiving portion (320).

The bottom surface of the contact portion 340 is formed as a surface having a predetermined area, it is formed wider than the width of the rail cloud member 480 to be in stable contact with the rail cloud member 480 to be described in detail below It would be desirable.

Rail guides 400 are provided at both sides of the sliding rail 300. The rail guide 400 is installed on one side of the refrigerating chamber 100 that can fix the position of the wall or the vegetable box 200 of the refrigerating chamber 100 to accommodate the sliding rail 300 Fixing the mounting position of the sliding rail 300 and the vegetable box.

The rail guide 400 is formed so as not to be smaller than the size of the sliding rail 300 to accommodate the sliding rail 300, the rail in contact with the contact portion 340 of the sliding rail 300 to rotate Since the rolling member 480 is to be mounted to be mounted in a relatively complex shape, it may be preferable that the rolling member 480 is formed of a plastic material that is easily processed.

Looking at this in more detail, the rail guide 400 as a whole is formed in a substantially 'c' shape (see FIG. 5) in cross section, the rail guide 400 in the upper portion of the surface in contact with the refrigerating chamber 100 ) Is mounted to the mounting surface 420 so that it can be stably mounted on the wall surface of the refrigerating chamber 100, the screw for fixing the rail guide 400 is penetrated to one side of the mounting surface 420 The screw hole 422 is formed.

The rail guide 400 includes a rail accommodating part 440 and a rolling member mounting part 460. The rail accommodating part 440 guides the sliding of the sliding rail 300 by receiving the sliding rail 300, and is formed to be somewhat larger than the size of the sliding rail 300 so as to provide the sliding rail 300 with the sliding rail 300. It is formed to minimize the loss of momentum due to friction.

In addition, a locking protrusion 442 is formed to protrude from the inner left side surface (as seen in FIG. 5) of the rail accommodation portion 440. The locking protrusion 442 is coupled to the locking groove 322 to limit the withdrawal / entry distance of the sliding rail 300, that is, the position corresponding to the locking groove 322, that is, the rail accommodation part 440. It is formed at approximately the center of.

At the end of the protruding surface of the rail accommodating part 440, a stripping prevention piece 444 is further formed to protrude vertically into the rail accommodating part 440. The stripping prevention piece 444 prevents the flow of the sliding rail 300 accommodated in the rail accommodating part 440 to assist the smooth withdrawal / entry of the sliding rail 300 as well as the inner side of the sliding rail 300. This will prevent odor removal.

On the other hand, the cloud member mounting portion 460 is formed on the inner lower surface of the rail receiving portion 440. The rolling member mounting part 460 is for mounting the rail cloud member 480 to contact the contact portion 340 of the sliding rail 300 to draw out / receive the sliding rail 300. It is formed to be recessed downward from the inner lower surface of the).

At this time, the depression depth of the cloud member mounting portion 460 when the cloud member is mounted, the upper end of the rail cloud member 480 may be located at a position higher than the height of the inner bottom surface of the rail receiving portion 440. Formed to depth.

Therefore, when the sliding rail 300 is mounted to the rail receiving portion 440, the sliding rail 300 is in contact with the upper end of the rail rolling member 480, the other surface of the rail receiving portion 440 Is not in contact with.

The rolling member mounting portion 460 is formed at the lower left and right sides of the rail accommodation portion 440 to accommodate each rail cloud member 480, and a screw for fixing the rail guide 400 is disposed therebetween. A screw hole 422 that can be formed through is further formed.

Hereinafter, the operation of the double drawer of the refrigerator according to the present invention having the configuration as described above with reference to the drawings as follows.

Figure 6 is a state diagram showing a state in which the vegetable box of the preferred embodiment of the vegetable box double withdrawal structure according to the present invention completely inserted, Figure 7 is a vegetable box of the preferred embodiment of the vegetable box double withdrawal structure according to the present invention is completely It is a state diagram showing the withdrawn state.

As shown in the drawing, in the state where the vegetable box 200 is completely inserted into the inside of the refrigerating chamber, the sliding rail 300 is completely inserted into the inside of the rail guide 400, and the vegetable box ( In addition, the box cloud member 240 is positioned at the rear end of the sliding rail 300 by being completely inserted into the refrigerating chamber 100.

In the state where the vegetable box 200 is completely inserted into the refrigerating chamber 100, the opened upper surface of the refrigerating chamber 100 is shielded by the box cover 160. The box cover 160 partitions the internal space of the refrigerating compartment 100 in the horizontal direction to serve as a shelf, and also shields the opened upper surface of the vegetable box 200 when the vegetable box 200 is inserted. By making the vegetable box 200 independent from the external space, the vegetables and fruits can be stored more freshly.

When the user looks at the process of withdrawing the vegetable box 200 for the use of the vegetable box 200, the user grasps the box handle 222 of the vegetable box 200 and pulls it forward. When the vegetable box 200 is pulled forward, the box cloud member 240 of the vegetable box 200 rotates while contacting the inner bottom surface of the cloud member accommodating part 320 of the sliding rail 300.

The vegetable box 200 is drawn out to the front by the rotation of the box cloud member 240. The vegetable box 200 is continuously drawn out through the guide of the sliding rail 300, and after being drawn out by a predetermined length, the first drawing protrusion 260 and the sliding rail 300 of the vegetable box 200. As the second withdrawal protrusions 360 of) are in contact with each other, the first stage withdrawal is completed.

When the user continues to pull the box handle 222 while the first drawout protrusion 260 and the second drawout protrusion 360 are in contact with each other, the first drawout protrusion 260 is a second drawout protrusion ( The pulling force is transmitted to the sliding rail 300 while being in contact with 360, and thus the sliding rail 300 starts to be drawn out.

At this time, the lower surface of the contact portion 340 of the sliding rail 300 is in contact with the upper end of the rail cloud member 480 of the rail guide 400, the cloud member mounting portion 460 of the rail guide 400 The mounted rail rolling member 480 rotates while being fixed to the rail guide 400 to draw out the sliding rail 300.

When the sliding rail 300 is completely drawn out, the left end of the locking groove 322 of the sliding rail 300 (see FIG. 7) and the locking protrusion 442 of the rail guide 400 are in contact with each other. As a result, the sliding rail 300 is no longer drawn out, thereby completing the two-stage drawing.

When the sliding rail 300 and the vegetable box 200 is completely drawn out, the opened upper surface of the vegetable box 200 is exposed to the outside of most of the area, the user easily inside the vegetable box 200 It is possible to take out or put stored food.

On the other hand, looking at the process of retracting the withdrawn vegetable box 200 after the use of the vegetable box 200, the user is pushed back while holding the box handle 222 of the withdrawn vegetable box 200 do.

When the vegetable box 200 is pushed, the box cloud member 240 of the vegetable box 200 rotates while contacting the bottom surface of the cloud member accommodating part 320 of the sliding rail 300. Vegetable box 200 is introduced into the rear.

At the same time, the lower surface of the contact portion 340 of the sliding rail 300 is rotated in contact with the upper end of the rail cloud member 480 of the rail guide 400, and thus the sliding rail 300 is drawn back.

When the entrance of the sliding rail 300 and the vegetable box 200 is finished, the sliding rail 300 is completely inserted into the rail receiving portion 440 of the rail guide 400, the vegetable box 200 is completely inserted into the refrigerating chamber 100 so that the box cloud member 240 is located at the rear end of the rolling member accommodating portion 320 of the sliding rail (300).

At this time, the open upper surface of the vegetable box 200 is completely shielded by the box cover 160 to ensure an independent storage space.

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.

In the double withdrawal structure of the vegetable box according to the present invention as described above in detail, a sufficient withdrawal distance of the vegetable box with a simple configuration of the vegetable box, the sliding rail and the rail guide for the double extraction of the vegetable box for storing vegetables and fruits Can be secured.

Therefore, it is possible to reduce the number of components constituting the double-export structure of the vegetable box has the effect of improving the productivity by reducing the time and cost required for the production of the overall product due to the reduction of the number of parts and the number of work .

In addition, the configuration of the components constituting the double extraction structure of the vegetable box is simplified to enable a more stable withdrawal / input operation, and the simple configuration can reduce the occurrence of the service factors to ensure stable operation and durability of the product An improved effect can be expected.

Claims (8)

Rail guides formed on both side walls of the refrigerator; A rail cloud member provided on one side of the rail guide to rotate; A sliding rail mounted inside the rail guide and sliding back and forth in contact with the rail cloud member; A vegetable box which is pulled in and out along the sliding rails back and forth and forms a space for storing food; Double pull-out structure of the vegetable box, which is provided on each side of both sides of the vegetable box, including a box cloud member that rotates while contacting one side of the sliding rail. The dual drawing structure of the vegetable box according to claim 1, wherein the rail rolling member is provided under the rail guide. The method of claim 2, wherein the rail guide, A rail accommodating part recessed inward and accommodating the sliding rail; Double pull-out structure of the vegetable box, characterized in that formed in the lower surface of the rail receiving portion comprises a cloud member mounting portion to form a mounting space of the rail cloud member. According to claim 3, On one side of the rail receiving portion, Double extraction structure of the vegetable box is formed to protrude to the inside of the rail accommodating portion, the removal prevention piece for preventing the removal of the sliding rail is further formed. The double drawing structure of the vegetable box according to claim 3, wherein the upper end of the rail cloud member is formed higher than an inner lower surface of the rail guide. The vegetable according to claim 1, wherein the one side of the surface where the rail guide and the sliding rail contact each other is formed in a shape corresponding to each other, and a locking protrusion and a locking groove are formed to limit the withdrawal / entry distance of the sliding rail. Double draw out structure of the box. The method of claim 1, wherein the sliding rail, It is formed recessed inward, the cloud member receiving portion for receiving the box cloud member; Protruding from the lower side of the cloud member receiving portion, the double withdrawal structure of the vegetable box, characterized in that it comprises a contact portion in contact with the rail cloud member. The method according to claim 7, wherein one side of the cloud member receiving portion and one side of the vegetable box, formed in a shape corresponding to each other to determine the withdrawal of the vegetable box is formed with a first withdrawal projection and a second withdrawal projection respectively Double withdrawal structure of the vegetable box, characterized in that.

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