WO2017192017A1

WO2017192017A1 - Foldable packaging box

Info

Publication number: WO2017192017A1
Application number: PCT/KR2017/004710
Authority: WO
Inventors: 김상철; 박우현; 최재현; 김백진; 정지훈; 송의동
Original assignee: 주식회사 에스피씨지에프에스; 유하정판 주식회사
Priority date: 2016-05-04
Filing date: 2017-05-04
Publication date: 2017-11-09
Also published as: CN107344645B; CN107344645A; KR101706502B1; JP2017200841A; JP6231712B2

Abstract

A foldable packaging box may comprise: a bottom plate portion for supporting a product; a side plate portion extending from the bottom plate portion so as to be foldable such that the same can be arranged perpendicularly to the ground; and an upper plate portion provided integrally with the side plate portion. The side plate portion has an engaging groove and forms a containing space for containing a product. The upper plate portion may be provided so as to be opened/closed such that the containing space is sealed and exposed. The upper plate portion may have a blocking plate and an outer upper plate. The blocking plate is arranged to face the bottom plate portion so as to separate/delimit the containing space into a lower containing space and an upper containing space. The blocking plate may have an engaging protrusion that is inserted into the engaging groove so as to prevent the blocking plate from sagging toward the bottom plate. The outer upper plate is arranged above the blocking plate so as to face the blocking plate, and has a fitting piece that is fitted into the side plate portion so as to seal and expose the upper containing space.

Description

Folding packaging box

Embodiments of the present invention relate to a foldable packaging box that can accommodate a product, and more particularly, to a foldable packaging box that can store and move the product.

The packing box is used to store the product to prevent damage and to improve the decoration. As the industry develops, as a variety of products are produced, various boxes are manufactured.

In general, a cake packaging box commonly used for packing and selling cakes in a bakery mainly uses a folding packaging box made of paper. These cake packaging boxes can be assembled in a folding manner for easy storage and assembly. However, since the conventional cake packaging box has one storage space therein, it is not necessary to pack only the cake inside and to pack the accessories such as a cake knife or a candle to be packed together in a separate bag. have.

In particular, unlike ordinary cakes, ice cream cakes must be packed with dry ice that provides cold air, and the packaging box must be kept heat-resistant. Conventional ice cream cake packaging box does not have a separate space for putting the dry ice inside the ice cream cake and dry ice must be packed together in one storage space. In addition, since the ice cream cake packaging box is made of styrofoam material, not paper, for heat dissipation, it is difficult to store and also takes up a lot of space for storing it. In addition, the conventional ice cream case packaging box does not have a handle for gripping due to its material properties, so when packaging, a separate string must be tied to the packaging box for gripping. This lowers the packaging efficiency of the operator and increases the packaging time.

Embodiments of the present invention by stably separating the internal storage space up and down through the assembly can be stored separately each product and replace the Styrofoam packaging box has an object to provide a folding packaging box having a cold power have.

Foldable packaging box according to an aspect of the present invention for achieving the above object, the bottom plate for supporting the product, extends in the vertical direction so as to be bent from the bottom plate, having a locking groove for accommodating the product It may include a side plate portion for forming a space, and an upper plate portion formed integrally with the side plate portion and provided to be able to open and close the storage space. Here, the upper plate portion, facing the bottom plate portion, separating the storage space into the lower storage space and the upper storage space, the blocking is provided with a locking projection for preventing the sag toward the bottom plate is inserted into the locking groove It may include a plate, and an outer upper plate having a fitting piece fitted to the inside of the side plate portion at one end to open and close the upper receiving space facing the blocking plate from the upper side of the blocking plate.

According to embodiments of the present invention, the upper plate portion is disposed between the outer upper plate and the blocking plate to face the blocking plate, the first inner top sealing the upper receiving space, a portion of the first inner top plate The cut piece is formed by being cut and connected to the first inner top plate to be bent, and a portion of the outer top plate is formed to be cut out to pull the handle piece to the outside, and the portion connected to the outer top plate is It may further include a first heat dissipation piece provided to be bent to open and close the upper receiving space.

According to embodiments of the present invention, the first heat dissipation piece may be refitted to the outer top plate in a state in which the handle piece is drawn out to maintain the temperature of the upper accommodating space.

According to embodiments of the present disclosure, the blocking plate may further include a fixing piece interposed between the first inner upper plate and the outer upper plate to fix the position of the blocking plate.

According to embodiments of the present invention, the blocking plate may be disposed to be bent upwards to form the upper receiving space and the first and second end facing each other, the first end of the blocking plate is the side plate It is connected to the portion, the second end of the blocking plate may be disposed opposite the fitting piece. Here, the fixing piece may extend from the second end of the blocking plate.

According to embodiments of the present disclosure, the side plate portion may include first, second, third, and fourth side plates extending in a vertical direction so as to be bent from the bottom plate portion, and from one end of the fourth side plate, respectively. It may include a coupling piece extending to be bent and provided with the engaging groove and coupled to the inner surface of the first side plate. Here, the first inner top plate, the blocking plate, and the outer top plate may be bent from the first side plate, the second side plate, and the fourth side plate, respectively.

According to embodiments of the present invention, the upper plate portion, the second inner upper plate which is bent from the third side plate and disposed between the first inner upper plate and the outer upper plate to seal the upper storage space, and the A second heat dissipation piece provided at a position corresponding to the first heat dissipation piece and formed by cutting a portion of the second inner top plate to be pulled out to the outside, and having a portion connected to the inner top plate to be bendable. It may further include.

According to embodiments of the present invention, the second heat dissipation piece may be fitted back to the second inner top plate in a state where the handle piece is drawn out to maintain the temperature of the upper accommodating space, and the fixing piece may be It may be assembled between the second inner top plate and the outer top plate.

According to the embodiments of the present invention as described above, the foldable packaging box is provided with a blocking plate that can be divided into two compartments, the upper compartment and the lower compartment, thereby separating a plurality of products according to the product characteristics Can be stored. In particular, the foldable packaging box can store the main product such as cake or ice cream cake in the lower storage space, and accessories such as candles, cake knives or dry ice can be stored in the upper storage space separately from the main product. In particular, in the case of a product such as an ice cream cake, a temperature control member such as dry ice may be disposed on the upper side to efficiently provide cold air, and an air layer is formed in the upper storage space between the lower storage space and the upper plate, so that the inside of the lower storage space may be provided. The cooling effect can be maintained by blocking the inflow of outside air directly. Accordingly, since the product can be kept at a low temperature for a long time, the folding packaging box can package and store the refrigerated or frozen product in an optimal state.

In addition, since the prefabricated packing box of the present invention can be assembled by a folding method, it is easy to disassemble and assemble, and folding storage is easy.

In addition, the folding packaging box can stably fix the position of the blocking plate without a separate adhesive member, it is possible to improve the assembly and assembly efficiency and shorten the packaging time of the product.

In addition, the folding packaging box is provided with a handle piece and the first and second heat dissipation pieces, it is possible to easily pull out the handle piece to the outside without the need to open the outer top plate in the assembled state. Accordingly, since the use can hold the foldable packaging box without additionally providing a member such as a separate string, it is easy to transport after packaging the product, improve the efficiency of the packaging operation and shorten the packaging time.

In addition, the folding packaging box can seal the outer upper plate and the second inner upper plate by using the first and second heat dissipating pieces in a state where the handle piece is drawn out to the outside, thereby improving heat dissipation efficiency of the upper storage space. Accordingly, when storing a member that provides cold air such as dry ice in the upper storage space can prevent the loss of cold air, it is possible to optimally package and store products sensitive to temperature, such as ice cream cakes.

In addition, the folding packaging box may not be pulled out to the outside according to the assembly method, it is easy to load and store the product in the folded packaging box.

1 is a schematic development view for explaining a folding packaging box according to an embodiment of the present invention.

2 is a schematic perspective view illustrating an example of assembly of the folding packaging box shown in FIG. 1.

3 is a schematic longitudinal cross-sectional view for explaining the folding packaging box shown in FIG.

4 to 6 are perspective views for explaining the assembly process of the folding packaging box shown in FIG.

FIG. 7 is a schematic perspective view illustrating another example of assembling the folding packaging box shown in FIG. 1.

8 and 9 are perspective views for explaining the assembly process of the folding packaging box shown in FIG.

10 is a schematic exploded view for explaining a folding packaging box according to another embodiment of the present invention.

Embodiments of the present invention are described in detail below with reference to the accompanying drawings. However, the present invention should not be construed as limited to the embodiments described below and may be embodied in various other forms. The following examples are provided to fully convey the scope of the invention to those skilled in the art, rather than to provide a thorough completion of the invention.

In the embodiments of the present invention, when an element is described as being disposed or connected on another element, the element may be disposed or connected directly on the other element, with other elements interposed therebetween. May be Alternatively, if one element is described as being directly disposed or connected on another element, there may be no other element between them. Terms such as first, second, third, etc. may be used to describe various items such as various elements, compositions, regions, layers and / or parts, but the items are not limited by these terms. Will not.

The terminology used in the embodiments of the present invention is merely used for the purpose of describing particular embodiments and is not intended to limit the present invention. Also, unless stated otherwise, all terms including technical and scientific terms have the same meaning as would be understood by one of ordinary skill in the art having ordinary skill in the art. Such terms, such as those defined in conventional dictionaries, will be construed as having meanings consistent with their meanings in the context of the related art and description of the invention, and ideally or excessively intuitional unless otherwise specified. It will not be interpreted.

Embodiments of the invention are described with reference to schematic illustrations of ideal embodiments of the invention. Accordingly, changes from the shapes of the illustrations, such as changes in manufacturing methods and / or tolerances, are those that can be expected sufficiently. Accordingly, embodiments of the invention are not to be described as limited to the particular shapes of the areas described as the illustrations, but include variations in the shapes, and the elements described in the figures are entirely schematic and their shapes Is not intended to describe the precise shape of the elements nor is it intended to limit the scope of the invention.

1 is a schematic exploded view for explaining a folding packaging box according to an embodiment of the present invention, Figure 2 is a schematic perspective view for explaining an assembly example of the folding packaging box shown in FIG.

1 and 2, the folding packaging box 400 according to an embodiment of the present invention is a packaging box for storing and moving a product therein, a plurality of products to be stored in different storage spaces to be packed Can be provided with a folding, easy to assemble. In particular, the foldable packaging box 400 is easy to accommodate a product to be packaged with a separate accessory such as a knife or a candle, such as a general cake or ice cream cake or a temperature control member such as dry ice.

In particular, the foldable packaging box 400 is formed as a single plate form the components are integrally provided before assembly as shown in Figure 1, after the assembly may form a box form as shown in FIG.

In one embodiment of the present invention, the folding packaging box 400 may be made of a paper material or a PET synthetic material.

The foldable packing box 400 may include a bottom plate part 100 for supporting a product, a side plate part 200 for forming an accommodating space for accommodating the product, and an upper plate part 300 for sealing the accommodating space. .

The bottom plate portion 100 may include four plates separated and cut apart from each other as shown in FIG. 1, and the four plates are assembled with each other to form a bottom of the folding packing box 400.

The side plate portion 200 may be provided integrally with the bottom plate portion 100, the lower end is connected to the bottom plate portion (100). The side plate part 200 may be bent from the bottom plate part 100 so as to be perpendicular to the ground during assembly, and may be assembled in a columnar shape.

An upper end portion of the side plate portion 200 is connected to the upper plate portion 300, and the upper plate portion 300 may be integrally provided with the side plate portion 200. The upper plate 300 may be provided to be opened and closed to seal and open the storage space, and may divide and separate the storage space into two storage spaces. Here, the products accommodated in the foldable packaging box 400 may be carried in and out of the storage space through the top plate 300.

Hereinafter, the configuration of the side plate portion 200 and the upper plate portion 300 will be described in detail with reference to the drawings.

3 is a schematic longitudinal cross-sectional view illustrating the folding packaging box shown in FIG. 2, and FIGS. 4 to 6 are perspective views illustrating an assembling process of the folding packaging box shown in FIG. 2.

1 and 4, the side plate part 200 may include first, second, third, and

fourth side plates

210, 220, 230, which are bendably extended from the bottom plate part 100, respectively. 240, and a coupling piece 250 extendably bent from one end of the fourth side plate 240.

In detail, the first to

fourth side plates

210, 220, 230, and 240 are sequentially arranged in the vertical direction with respect to the ground as shown in FIG. 1, and the two side plates connected to each other are bent to each other. It may be provided as possible.

As shown in FIG. 4, the coupling piece 250 is coupled to an inner surface of the first side plate 210. As a result, the first to

fourth side plates

210, 220, 230, and 240 are columnar. The storage space can be formed.

As shown in FIG. 4, when the assembly of the bottom plate part 100 and the assembly of the side plate part 200 are completed, the top plate part 300 may be assembled.

The upper plate part 300 is connected to upper ends of the first to

fourth side plates

210, 220, 230, and 240. The top plate 300 is a blocking plate 310 for separating and partitioning the inner space of the foldable packaging box into two storage spaces, and an outer top plate for sealing and opening the inside of the foldable packaging box 400. 340 may be provided.

As shown in FIG. 3, the blocking plate 310 extends from the second side plate 220 so as to be bent, and is disposed to face the bottom plate part 100 to provide a storage space of the foldable packing box 400. It can be divided into two storage spaces arranged up and down. Hereinafter, for convenience of description, the storage space provided above the blocking plate 310 based on the blocking plate 310 is referred to as an upper storage space, and the storage space provided below the blocking plate 310 is stored below. It is called space.

Specifically, the blocking plate 310 is formed with a tangent 312 at the first and second ends facing each other, respectively, the first and second end of the blocking plate 310 by the tangents 312 Is bent upward to form the upper receiving space. In this case, a first end of the blocking plate 310 is connected to the second side plate 220, and a second end of the blocking plate 310 faces the second side plate 220 as shown in FIG. 3. In contact with the fourth side plate 240 to be. Accordingly, the lower receiving space may be sealed and opened by the blocking plate 310.

As such, the folding packaging box 400 according to the embodiment of the present invention may include the blocking plate 310 to divide and separate an inner space into two upper and lower storage spaces. Accordingly, the lower storage space may store main products such as cakes or ice cream cakes, and accessories such as candles, cake knives or dry ice may be stored in the upper storage space separately from the main products. In addition, the upper accommodating space forms an air layer between the lower accommodating space and the upper plate part 300 to suppress external air from directly flowing into the lower accommodating space. As a result, the cold storage effect of the lower storage space can be further maintained, so that the product stored in the lower storage space can be kept at a low temperature for a long time. In particular, since a product such as an ice cream cake may be provided with cold air more efficiently by arranging a temperature control member such as dry ice on the upper side, the folding packaging box 400 may package and store the product in an optimal state. .

In addition, since the prefabricated packing box 400 can be assembled by a folding method, it is easy to disassemble and assemble and easy to fold and store.

The product stored in the upper storage space is supported by the blocking plate 310, and the product stored in the lower storage space is supported by the bottom plate portion 100. As shown in FIG. 3, since the part supporting the product in the blocking plate 310 is disposed in the air, the blocking plate 310 sags downward due to the weight of the product stored in the upper storage space. Can be. In order to prevent this, the engaging piece 250 of the side plate 200 has a locking groove 252, the blocking plate 310 is provided with a locking projection 314 is inserted into the locking groove 252. do. As shown in FIG. 4, the locking protrusion 314 is inserted into the locking groove 252 to fix the position of the blocking plate 310, thereby preventing the blocking plate 310 from sagging downward. can do.

As such, the folding packaging box 400 according to an embodiment of the present invention can stably fix the position of the blocking plate 310 without a separate adhesive member, thereby improving assembling and assembling efficiency and packaging of a product. It can save time.

When the blocking plate 310 is assembled to face the bottom plate part 100, the outer upper plate 340 may be assembled to an upper side of the blocking plate 310. The outer upper plate 340 may be disposed to face the blocking plate 310 and may be bent to extend from an upper end of the fourth side plate 240. The outer top plate 340 may include a fitting piece 342 at one end to seal and open the upper receiving space, and the fitting piece 342 is bent downward to be fitted into the upper receiving space. Lose. The product stored in the upper storage space can be carried in and out of the upper storage space through the opening and closing of the outer upper plate 340.

Meanwhile, the upper plate part 300 may further include a first inner upper plate 320, a handle piece 322, and a first heat dissipation piece 344.

In detail, the first inner upper plate 320 may be bent from the upper end of the first side plate 210 and may be disposed between the outer upper plate 340 and the blocking plate 310 during assembly. The first inner upper plate 320 is disposed to face the blocking plate 310 and seals the upper accommodating space to maintain the temperature of the upper accommodating space.

The handle piece 322 is formed by cutting a portion of the first inner top plate 320, and a portion connected to the first inner top plate 320 is provided to be bent. When the handle piece 322 is not drawn out of the foldable packing box 400, a portion cut from the first inner top plate 320 is fitted to the first inner top plate 320.

The first heat dissipation piece 344 is formed by cutting a portion of the outer upper plate 340, and a portion connected to the outer upper plate 340 is provided to be bendable to open and close. In this case, the handle piece 322 may be drawn out through the opening of the first heat dissipation piece 344.

The blocking plate 310 may further include a fixing piece 316 interposed between the outer upper plate 340 and the first inner upper plate 320 to fix the position of the blocking plate 310. . The fixing piece 316 extends from the second end of the blocking plate 310, and is bent to face the upper surface of the first inner upper plate 320 as shown in FIG. 3, so that the first inner upper plate 320 is disposed. ) And the outer top plate 340. Accordingly, the position of the blocking plate 310 may be more firmly fixed.

In addition, the upper plate 300 may further include a second inner upper plate 330 and a second heat dissipation piece 332.

The second inner top plate 330 extends so as to be bent from an upper end of the third side plate 230, and is disposed between the first inner top plate 320 and the outer top plate 340 when assembled to the upper storage space. Can be sealed.

The second heat dissipation piece 332 is provided at a position corresponding to the first heat dissipation piece 344, and is formed by cutting a portion of the second inner upper plate 330. The second heat dissipation piece 332 may be bent to open and close a portion connected to the second inner upper plate 330. At this time, the handle piece 322 may be drawn out through the opening of the second heat dissipation piece 344.

4 to 6, the upper plate part 300 is first assembled with the blocking plate 310 as shown in FIG. 4. Subsequently, as shown in FIG. 5, the first inner top plate 320 is assembled to the upper side of the blocking plate 310, and as shown in FIG. 6, the second inner top plate 330 is the first inner top plate ( 320 is assembled on the upper side. In this case, the fixing piece 316 of the blocking plate 310 may protrude in the same direction as the longitudinal direction of the side plate portion 200 from the upper side of the second inner upper plate 330.

2 to 4, afterwards, the outer upper plate 340 is bent together with the fixing piece 316 to be disposed to face the second inner upper plate 330, and the fitting of the outer upper plate 340 is performed. A piece 342 is sandwiched between the first end of the blocking plate 310 and the first and second inner

top plates

320 and 330 to be assembled as shown in FIG. 2. In this case, the fixing piece 316 of the blocking plate 310 is bent to face the upper surface of the second inner upper plate 330 and interposed between the outer upper plate 340 and the second inner upper plate 330. That is, the fixing piece 316 of the blocking plate 310 stands in a direction perpendicular to the bottom plate portion 100 before the outer top plate 340 seals the storage space, but is provided on the outer top plate 340. When the fitting piece 342 is bent downward to be fitted into the upper receiving space, the fitting piece 342 is automatically interposed between the outer upper plate 340 and the second inner upper plate 330 to be horizontal to the bottom plate part 100. By being fixed by bending in a direction, the blocking plate 310 serves to fix firmly so as not to sag downward.

The folding packaging box 400 shown in FIG. 2 shows a state in which the handle piece 322 is assembled so that it is not drawn out to facilitate loading. Hereinafter, a process of assembling the folding packaging box 400 to draw the handle piece 322 to the outside with reference to the drawings.

FIG. 7 is a schematic perspective view illustrating another assembly example of the folding packaging box shown in FIG. 1, and FIGS. 8 and 9 are perspective views illustrating an assembly process of the folding packaging box shown in FIG. 7.

7 to 8, the folding packaging box 400 according to the exemplary embodiment of the present invention has the handle piece 322 fitted to the first inner upper plate 320 (see FIG. 1) as shown in FIG. 7. It can be assembled to be pulled out to facilitate the user's grip.

The assembly process for withdrawing the handle piece 322 to the outside is as follows. First, in a state in which the first heat dissipation piece 344 fitted to the outer top plate 340 and the second heat dissipation piece 332 positioned immediately below the outer top plate 340 are stacked. Open together. Accordingly, as shown in FIG. 8, the handle piece 322 positioned directly below the second heat dissipation piece 332 is exposed to the outside. In this case, the first and second

heat dissipation pieces

344 and 332 are opened in a door manner, and the user may open the first holding hole 346 and the second heat dissipation piece 332 formed in the first heat dissipation piece 344. The first heat dissipation piece 344 and the second heat dissipation piece 332 can be easily gripped by using the second gripping hole 334 formed in

Subsequently, as shown in FIG. 9, the handle piece 322 is drawn out to the outside through a hole formed by opening the first and second

heat dissipation pieces

344 and 332. Subsequently, the second heat dissipation piece 332 and the first heat dissipation piece 344 are simultaneously connected to the second inner upper plate 330 and the outer upper plate 340 in a state where the handle piece 322 is drawn out. Replace each one. As a result, the foldable packing box 400 is assembled as shown in FIG. In this case, a portion of the handle piece 322 is positioned between the second inner top plate 330 and the second heat dissipation piece 332, and between the outer top plate 340 and the first heat dissipation piece 344.

As such, the folding packaging box 400 according to the embodiment of the present invention includes the first and second

heat dissipating pieces

344 and 332 so that the handle piece 322 can be easily taken out to the outside. The outer top plate 340 and the second inner top plate 330 may be sealed while the handle piece 322 is drawn out to improve heat dissipation efficiency of the upper storage space. Accordingly, when storing a member that provides cold air, such as dry ice, in the upper storage space can prevent the loss of cold air, the foldable packaging box 400 is an optimal state for temperature-sensitive products such as ice cream cakes I can keep it.

In addition, since the folding packing box 400 may select whether the handle piece 322 is pulled out according to an assembly method, when the folding packing box 400 is assembled as shown in FIG. , When the folding packaging box 400 is assembled, as shown in FIG. 7, the user can easily grip the container to facilitate carrying. In addition, since the folding packaging box 400 does not need to additionally include a member such as a separate strap for the user's grip, it is possible to improve the efficiency of the packaging operation and shorten the packaging time.

Referring to FIG. 10, the folding packaging box 500 according to another embodiment of the present invention has the same configuration as the folding packaging box 400 shown in FIG. 1 except for the bottom plate 101. Therefore, hereinafter, in the description of the configuration of the folding packaging box 500, the same components as those of the folding packaging box 400 shown in FIG. 1 are given with reference numerals and detailed description thereof will be omitted.

The bottom plate portion 101 of the foldable packaging box 500 is configured to support the product, as shown in Figure 10 may be provided with four plates separated from each other, the four plates are assembled with each other the foldable packaging Form the bottom of the box 500.

When assembling the bottom plate 101, the plates connected to the lower end of the first side plate 210 and the third side plate 230 of the side plate 200 among the four plates of the bottom plate 101 are first folded, and then folded. Adhesive may be applied to the outer surface of the plates. On it, the remaining plates of the bottom plate portion 101, that is, the plates connected to the lower end of the second side plate 220 and the fourth side plate 240 of the side plate portion 200 may be engaged with each other and covered, thereby the bottom Assembly of the plate portion 101 is completed.

The above-described folding packaging box according to the present invention includes a blocking plate that can divide and separate an inner storage space into two upper and lower storage spaces, thereby separating and storing a plurality of products according to product characteristics. Accordingly, the foldable packaging box can accommodate the main product such as a cake or ice cream cake in the lower storage space, and accessories such as candles, cake knives or dry ice can be stored in the upper storage space separately from the main product.

In particular, in the case of a product such as an ice cream cake, a temperature control member such as dry ice may be disposed on the upper side to efficiently provide cold air, and an air layer is formed in the upper storage space between the lower storage space and the upper plate, so that the inside of the lower storage space may be provided. The cooling effect can be maintained by blocking the inflow of outside air directly. As a result, the product can be kept at a low temperature for a long time, so that frozen or refrigerated products such as ice cream can be packaged and stored in an optimal state.

Although the above has been described with reference to the preferred embodiment of the present invention, those skilled in the art can variously modify and change the present invention without departing from the spirit and scope of the present invention described in the claims below. I can understand that.

Claims

A bottom plate portion for supporting a product;

A side plate portion extending in the vertical direction so as to be bent from the bottom plate portion, the side plate portion having a catching groove and forming a receiving space for storing the product; And

Is formed integrally with the side plate portion, and includes an upper plate portion provided to open and close the storage space,

The top plate,

A blocking plate facing the bottom plate, separating the storage space into a lower storage space and an upper storage space, and having a locking protrusion inserted into the locking groove to prevent sagging toward the bottom plate; And

And an outer top plate facing the blocking plate at an upper side of the blocking plate, the outer top plate having a fitting piece fitted inside the side plate portion at one end to open and close the upper receiving space.
The method of claim 1,

The upper plate portion,

A first inner upper plate disposed between the outer upper plate and the blocking plate so as to face the blocking plate and sealing the upper receiving space;

A handle piece formed by cutting a portion of the first inner top plate and having a portion connected to the first inner top plate to be bendable; And

A portion of the outer upper plate is formed to be cut out to draw the handle piece to the outside, and a portion connected to the outer upper plate is bent so that the first heat dissipation piece is provided to open and close the upper storage space. Folding packaging box, characterized in that.
The method of claim 2,

The first heat dissipation piece is a folding packaging box, characterized in that the handle piece can be fitted back to the outer top plate in a state in which the handle piece is drawn out to maintain the temperature of the upper receiving space.
The method of claim 2,

The blocking plate,

And a fixing piece interposed between the first inner top plate and the outer top plate to fix a position of the blocking plate.
The method of claim 4, wherein

The blocking plate may be disposed to be bent upwards to form the upper receiving space, the first and second ends facing each other,

The first end of the blocking plate is connected to the side plate portion,

And a second end of the blocking plate is disposed opposite the fitting piece.
6. The collapsible packing box according to claim 5, wherein the fixing piece extends from the second end of the blocking plate.
The method of claim 1,

The side plate portion,

First, second, third and fourth side plates extending in the vertical direction so as to be bent from the bottom plate portion, respectively; And

A coupling piece extending from one end of the fourth side plate so as to be bent, provided with the locking groove, and coupled to an inner surface of the first side plate,

And the first inner top plate, the blocking plate, and the outer top plate are bent from the first side plate, the second side plate, and the fourth side plate, respectively.
The method of claim 7, wherein

The upper plate portion,

A second inner top plate bent from the third side plate and disposed between the first inner top plate and the outer top plate to seal the upper receiving space; And

It is provided at a position corresponding to the first heat dissipation piece, a portion of the second inner top plate is formed to be cut out to take out the handle piece to the outside, and the portion connected to the inner top plate is provided to be bent to open and close A folding packaging box, characterized in that it further comprises a heat dissipation piece.
The method of claim 8,

The second heat dissipation piece is a folding packaging box, characterized in that the handle piece is provided so that it can be fitted back to the second inner top plate in a state in which the handle piece is drawn out to maintain the temperature of the upper receiving space.
The method of claim 7, wherein the blocking plate,

And a fixing piece interposed between the second inner top plate and the outer top plate to fix a position of the blocking plate.