KR100947909B1 - Double wall boxes - Google Patents

Abstract

PURPOSE: A double packing box is provided, which makes goods protected from the external shock although impact is added from the outside. CONSTITUTION: A double packing box comprises an inside main body(200), an outside body(300), an inside lid(400), and an outside lid(500). The inside main body functions as the elastic wing having the outgoing elasticity while surrounding the outside of the fastening wing. In the outside body, the inside main body is accepted to the space between the sidewalls and the lower wall of the inside main body and is fixed in the upper side of the lower wall. In the inside lid, the sidewall corresponding to the elastic wing of the inside main body is closed attached to the elastic wing.

Description

Double Packaging Boxes {Double wall boxes}

The present invention relates to a double packaging box, and more particularly, to ensure that the periphery of the object to be packaged in a double to improve the thermal insulation performance between the inside and the outside, as well as to more stably protect the contents from external impact. In addition, the present invention relates to a double packaging box configured to prevent the lid from detaching itself with respect to the box body.

Packaging boxes, which are commonly used in the distribution process of goods, not only functions to package the goods in a certain unit, but also facilitates distribution, and also functions to maintain the freshness of the goods for a long time. As described above, the packaging box having various functions was generally made of rectangular cardboard.

On the other hand, when a product containing a special care such as maintaining the temperature of the product, such as frozen food containing a packaging box made of styrofoam material rather than the cardboard box was mainly used. That is, the packaging box made of styrofoam material is used to package the contents of frozen foods because of its excellent thermal insulation performance and waterproofness as well as relatively light weight.

By the way, the styrofoam packaging box has a number of advantages as described above compared to the cardboard box, but had a number of significant disadvantages. For example, the packaging box made of styrofoam material has a problem of not only causing environmental pollution in its manufacturing process and discarding after use, but also generating environmental hormones that adversely affect the human body. In addition, the packaging box made of styrofoam material has a problem that the supply cost is higher than that of the corrugated cardboard box, so that the distribution cost of the product is increased and the cost that consumers have to spend eventually increases. Accordingly, the development of a cardboard box having excellent thermal insulation performance as the packaging box of the styrofoam material for the packaging of frozen food, etc. has become an urgent problem.

Therefore, the present invention was devised in view of the above-mentioned problems of the prior art, and by enclosing the periphery of the goods contained therein in a double wrap to improve the heat insulating performance of the inside and outside to package products such as frozen foods. It is an object of the present invention to provide a double packing box which can replace a styrofoam packing box with a cardboard box.

Another object of the present invention is to provide a double packaging box that can be more stably protected from the external shock even if the impact is applied to the outside by allowing the periphery of the goods contained therein in a double wrap.

In addition, another object of the present invention is to provide a double packing box for providing a certain level of elasticity between the box body and the lid so that the lid is not detached and opened with respect to the box body in a packaged state. .

The present invention configured to achieve the above object is as follows. That is, in the present invention, the box body folded in the form of a hexahedron with the top opened with a cardboard fabric and the lid folded in the form of a hexahedron with the bottom opened with the cardboard fabric so that the open top of the box body is covered are mutually coupled to each other. A packaging box for providing a volume storage space, comprising: an inner body assembled with an hexahedron having an upper portion, the elastic body having elastic wings on both sidewalls; The lower side of the inner body is fixed on the upper side of the lower wall while the upper body is assembled with an open hexahedron, and the inner side is accommodated so that a side wall having a lower height than the inner body is kept at a predetermined distance with respect to the inner side wall of the inner body. main body; An inner lid formed of an open hexahedron having an edge corresponding to an assembly space provided between the side wall of the inner body and the side wall of the outer body, the inner lid being in close contact with the elastic wing of the inner body in the process of being fitted into the assembly space; And a lower side having an edge corresponding to the outer body, assembled into an open hexahedron, and having a side wall at which the lower end abuts on the upper end of the outer body in a state where the inner lid is covered with respect to the inner body, and the upper wall in which the inner lid is received therein. The lower side of the outer lid is fixed to the upper wall of the inner lid; The configuration is made, including.

In addition, in the double packaging box according to the present invention, the lower insulation pad of the square shape is fixedly installed between the lower wall of the outer body and the lower wall of the inner body, while the upper insulation pad of the square shape is formed between the upper wall of the outer lid and the upper wall of the inner lid. Can be fixedly installed.

In addition, in the double packaging box according to the present invention, both side walls of the inner lid may be installed inward to the elastic wing corresponding to the elastic wing of the inner body.

In the double packaging box according to the present invention, the outer main body is integrally coupled with the inner main body in a state where the inner main body and the inner lid are assembled, so that the distance between the side wall edge of the inner main body and the side wall edge of the outer main body is constant. Fork configuration can be made.

Meanwhile, in the double packaging box according to the present invention, the side wall of the inner body is erected in the form of a double wall in which a constant distance is maintained between the inner wall and the outer wall, and each corner portion is diagonal so that there is no opening in the corner portion during the folding of the side wall. The inner wall is folded in the wall space between the double walls and folded on the diagonal fold line, and the inner wall is folded inward so that the inner surface of the side wall, the upper side of the side wall and the outer surface are formed on the same surface as the upper surface of the lower wall. The assembly can be made in a folded structure toward the outside.

In addition, in the double packaging box according to the present invention, after the outer wall of the inner body is erected along the outer wall of the lower wall, any pair of outer walls facing each other is constrained to each other so that the binding wings extend at both ends of the outer wall to maintain the shape of the cage. Formed and the corresponding binding wings are assembled through the slot while the pair of outer walls of the side where the binding wing is located may be made of a structure that acts as an elastic wing outward on the outer side of the binding wing.

In addition, the lower end of the outer wall of the inner body in the double packaging box according to the present invention may be made of a height that touches the lower wall of the outer body in a state in which the insulating pad is installed in the lower portion of the inner body.

In the double packaging box according to the present invention, the side wall of the inner lid is formed in the form of a double wall in which a constant distance is maintained between the inner wall and the outer wall, and each corner portion of the side wall so that there is no opening in the corner portion during the folding of the side wall Is folded on the basis of the diagonal fold line formed diagonally and is located in the inter-wall space between the double wall, the inner wall and the outer wall may be made to be folded inward.

In addition, in the double packing box according to the present invention, after the inner wall of the inner lid is erected along the inner wall of the upper wall, any one of the inner walls facing each other is constrained to each other so that both sides of the inner wall are maintained. A pair of inner walls of the side where the binding wing is formed is provided while the pair of inner walls of the side where the binding wing is positioned is formed while the binding wings are extended to correspond to each other. It can be configured to act as a wing.

The double packaging box according to the present invention has the advantage that can replace the existing styrofoam packaging box by improving the insulation efficiency between the inside and the outside as the wall surrounding the product contained in the storage space is made of a double cardboard material There is this.

The double packaging box according to the present invention has an effect that the product inside the storage space can be stably protected even if an external impact is applied, since the wall surrounding the periphery of the product contained in the storage space is made of a double corrugated cardboard material.

In addition, the double packaging box according to the present invention has an effect that the lid is not easily opened with respect to the box body, as the space between the box body and the lid is tightly sandwiched by the elastic wings while the contents are contained in the storage space. .

Hereinafter, with reference to the accompanying drawings for a preferred embodiment according to the configuration and operation of the double packaging box according to the present invention will be described in more detail.

1 is an exploded perspective view of a double packaging box is opened according to an embodiment of the present invention, Figure 2 is a cross-sectional view of the box body of the double packaging box according to an embodiment of the present invention, Figure 3 is an embodiment of the present invention 4 is a cross-sectional view of a lid of a double packaging box according to the present invention, FIG. 4 is a cross-sectional view of a double packaging box according to an embodiment of the present invention, FIG. 5 is an exploded perspective view of each component constituting the double packaging box according to the present invention, and FIG. 8 is a view showing a process of assembling the box body of the double packing box according to an embodiment of the present invention, Figure 7 is a view showing an example of the box mount for the configuration of the inner body according to an embodiment of the present invention, Figure 8a and FIG. 8B is a view illustrating a process of assembling the box mount shown in FIG. 7, FIG. 9 is a view showing an example of a box mount for the configuration of an external body according to an embodiment of the present invention, and FIGS. 10A and 10B are Shown in Fig. 9 Figure 11 is a view showing a process of assembling the box mount, Figure 11 is a view showing an example of the box mount for the configuration of the inner lid according to an embodiment of the present invention, Figure 12a and 12b is the box mount shown in Figure 10 Figure 13 shows a process of assembling, Figure 13 is a view showing an example of the box mount for the configuration of the outer lid according to an embodiment of the present invention, Figure 14a and 14b is assembled the box mount shown in Figure 13 It is a diagram showing the process.

Reference numeral 100 denoted in the drawings indicates a double packing box constructed by one embodiment of the present invention, and reference numerals 200, 300, 400 and 500 are components of the double packing box according to an embodiment of the present invention, respectively. The inner body, outer body, inner lid and outer lid are indicated in turn.

The double packaging box 100 according to the present invention is formed in the form of a hexahedron having a predetermined volume of storage space 102 therein, as shown in Figures 1 to 4, the packaging for the interior storage space 102 It is made of a structure that can be separated into the box body 110 and the lid 120 in the process of containing or withdrawing the object. That is, the box body 110 is made of cardboard fabric is assembled in the form of a hexahedron with the top open as shown in Figure 2 while the lid 120 is opened of the box body 110 as shown in FIG. Corrugated cardboard fabric is made in the form of a hexahedron with the bottom open so that the top can be covered.

In particular, each of the above-described box body 110 and the lid 120 is formed in a double form as shown in the figure. That is, the box body 110 is made of the inner body 200 and the outer body 300 is integrally coupled while the lid 120 is made of the inner lid 400 and the outer lid 500 are integrally coupled You lose. Individual configurations of the inner lid 200 and the outer lid 500 constituting the inner body 200 and the outer body 300 and the lid 120 constituting the box body 110 will be described in more detail below. Shall be.

First, the inner main body 200 and the outer main body 300 constituting the box main body 110 is formed in the form of a hexahedron having an open top, respectively, the lower walls 210 and 310 of the inner main body 200 and the outer main body 300. ), Side walls 220 and 320 having a predetermined height toward the upper side are provided. At this time, the height of the side wall 320 of the outer body 300 is made of a relatively lower height than the height of the side wall 220 of the inner body 200.

On the other hand, the lower surface of the lower body 210 of the inner body 200 is installed in a fixed structure on the upper surface of the lower wall 310 of the outer body 300 through an adhesive means such as an adhesive, the inner in order to further improve the thermal insulation performance Between the lower wall 210 of the main body 200 and the lower wall 310 of the outer main body 300, a separate lower insulating pad 152 cut in a rectangular shape may be further provided. Of course, the lower insulating pad 152 is applied at this time may be made of cardboard fabric.

In particular, any pair of the side walls 220 of the inner body 200 facing each other is provided with an elastic wing 140 outward. In order to allow the inner blade 200 to be integrally provided with the inner blade 200, the box holder 200A having a shape as shown in FIG. 7 may be used. For convenience of description, the same reference numerals are given to the inner body 200 and the box mount 200A for manufacturing the inner body.

As shown in the figure, the side wall 220 of the inner body 200 is configured to be erected in the form of a double wall between the inner wall 222 and the outer wall 224 is maintained at a predetermined interval. That is, each corner portion 230 in either side of the diagonal fold line 232 on the diagonal during the assembly of the side wall so that there is no open portion in the corner portion in the process of setting up the side wall 220 of the inner body 200. In the folded state, it is folded into the interwall space 226 between the inner wall 222 and the outer wall 224. In particular, in the process in which the side wall 220 is installed as the inner wall 222 and the outer wall 224, the inner surface of the side wall 220, the upper sidewall 228, and the outer surface of the side wall 220 all have the same surface as the upper surface of the lower wall 210. The inner wall 222 is folded inward to stand vertically, whereas the outer wall 224 is folded outward and erected vertically. That is, when the box mount 200A in the developed state is referred to, the inner wall 222 positioned inside the developed view is erected vertically inward, while the outer wall 224 positioned outside the developed view is outside the developed view. It will stand vertically towards you. At this time, the outer wall 224 of the side wall 220 of the inner main body 200 has a height at which the lower end reaches to a position lower than the lower surface of the lower wall 210, in particular, the lower wall 210 and the outer of the inner main body 200. It is preferable that the height of the lower insulating pad 152 interposed between the lower wall 310 of the main body 300 is higher.

In addition, at both ends of the pair of outer walls 224 facing each other among the side walls 220 of the inner body 200 described above, the outer walls 224 are the outer edges of the lower wall 210 as shown in FIGS. 8A and 8B. The vertical wing 240 is formed to restrain the outer walls facing each other after being erected vertically along the form of a cage. Slots 242 for maintaining the mutually engaged state are formed in an open shape in the vertical direction at portions where the binding blades 240 extending from both ends of the outer side walls 224 of the corresponding sides cross each other. . Therefore, when the slots 242 formed in the binding blades 240 are fitted to each other, the two outer walls 224 facing each other among the four outer walls 224 are fixed in a quadrangular shape together with the binding blades 240. .

On the other hand, the pair of outer walls 224 of the side that does not extend the binding blades 240 formed at both ends is elastic to the outside of the binding blades 240 in the form of surrounding the binding blades 240 assembled as shown in the figure It functions as a wing 140. In this case, when the lower wall 210 of the inner body 200 is formed in a rectangular shape, the binding wings 240 are formed at both ends of the outer wall 224 of the longer length, while the outer wall 224 of the shorter length is formed. Will function as an elastic wing (25).

On the other hand, the outer body 300 for accommodating the above-described inner body 200 is made of a hexahedron having an upper portion having a lower height than the height of the inner body 200 as shown in the figure. In particular, the side wall 320 of the outer body 300 is made of a standard that maintains a predetermined interval with respect to the side wall 220 of the inner body 200. At this time, the frame size of the outer body 300 is made of a standard that accommodates the frame size of the inner lid 400 to be assembled on the upper portion of the inner body (200). On the other hand, for assembling the outer main body 300 according to an embodiment of the present invention, a box mount 300A of the type shown in FIG. 9 may be used. For convenience of description, the same reference numerals are given to the outer body 300 and the box mount 300A for assembling the outer body.

As shown in the figure, the side wall 320 of the outer body 300 is configured to be erected in the form of a double wall between the inner wall 322 and the outer wall 324 is maintained at a predetermined interval. That is, in the process of setting up the side wall 320 of the outer main body 300, each corner portion 330 is folded in either direction based on the diagonal fold line 332 formed diagonally so that there is no open portion at the corner portion. It is folded into the interwall space 326 between the inner wall 322 and the outer wall 324. In particular, in the process in which the side wall 320 is installed as the inner wall 322 and the outer wall 324, the inner wall 322, which is located at the outer side in the developed box state 300A, is folded vertically inward. On the other hand, the outer wall 324, which was located inside the box mount 300A, is also folded to stand inward. At this time, it is preferable that the inner wall 322 of the side wall 320 of the outer main body 300 has a height at which the lower end thereof contacts the upper surface of the lower wall 310.

In addition, at both ends of the pair of inner walls 322 facing each other among the side walls 320 of the outer body 300 described above, the inner walls 322 are lower walls 310 as shown in FIGS. 10A and 10B. After erected along the inner edge of the inner wall facing each other is bound to form a binding wing 340 to be maintained in the form of a cage. In the portions where the binding blades 340 extending from both ends of the inner side wall 322 of the corresponding side cross each other, the slots 342 are formed in the form of open in the vertical direction, respectively, to maintain the mutually bound state. do. Therefore, when the slots 342 formed in the binding blades 340 are fitted, two inner walls 322 facing each other among the four inner walls 322 are fixed together with the binding blades 340 in a quadrangular shape. Will be. On the other hand, the pair of inner wall 322 of the side that is not formed extending the binding blades 340 at both ends functions as an elastic wing 142 in the state of wrapping the assembled binding wing 340 as shown in the figure Will be

Meanwhile, the inner lid 400 covering the upper portion of the inner body 200 described above is assembled between the side wall 220 of the inner body 200 and the side wall 320 of the outer body 300 as shown in the drawing. Assembly is made of a hexahedron with a lower portion having an edge of a standard corresponding to the space 130. Both sidewalls 420 of the inner lid 400 may be provided with an elastic wing 144 of a shape corresponding to the elastic wing 140 formed on the inner body 200. Figure 11 shows one form of the box mount 400A for the inner lid 400 is assembled according to an embodiment of the present invention in the form of a development view. For convenience of explanation, the same reference numerals are given to the inner lid 400 and the box mount 400A for assembling the inner lid.

As shown in the figure, the side wall 420 of the inner lid 400 is configured to be erected in the form of a double wall between the inner wall 422 and the outer wall 424 is maintained at a predetermined interval. That is, in the process of setting up the side wall 420 of the inner lid 400, each corner portion 430 is folded on either side with respect to the diagonal fold line 432 formed diagonally so that there is no open portion at the corner portion. It is folded into the interwall space 426 between the inner wall 422 and the outer wall 424. In particular, when the side wall 420 is installed as the inner wall 422 and the outer wall 424, the inner wall 422 and the outer wall 424 of the side wall 420 are folded inward. That is, when the box mount 400A in the developed state is referred to, the inner wall 422 located on the outside of the developed view is folded inward, while the outer wall 424 located on the inside of the developed view is also folded inward. To be built. At this time, it is preferable that the inner wall 422 of the side wall 420 of the inner lid 400 is formed at a height up to the upper wall 410.

In addition, at both ends of the pair of inner walls 422 facing each other among the side walls 420 of the inner lid 400 described above, the inner wall 422 is the upper wall 410 as shown in FIGS. 12A and 12B. After erected along the inner edge of the inner wall facing each other is bound to form a binding wing 440 to be maintained in the form of a cage. In the portions where the binding wings 440 extending from both ends of the inner side walls 422 of the mutually opposite sides intersect with each other, slots 442 are formed in the form of open in the vertical direction, respectively, to maintain the mutually engaged state. do. Therefore, when the slots 442 formed in the binding blades 440 are fitted, two inner walls 422 facing each other among the four inner walls 422 are fixed in the shape of a quadrilateral together with the binding blades 440. Will be. On the other hand, the pair of inner walls 422 on the side of which the binding blades 440 are not formed extending at both ends functions as an elastic wing 144 in the state of wrapping the binding wings 440 assembled as shown in the figure. Will be

The outer lid 500 which accommodates the inner lid 400 described above is composed of a lower hexahedron having a lower height than the height of the inner lid 400 as shown in the figure. At this time, the height of the outer lid 500 is made of a height that the lower end abuts on the upper end of the outer body 300 in the state that the inner body 200 and the inner lid 400 is assembled. In particular, the side wall 520 of the outer lid 500 is made of the same standard as the frame of the outer body 500. On the other hand, for assembling the outer lid 500 according to an embodiment of the present invention, a box mount 500A as shown in FIG. 13 may be used. For convenience of description, the same reference numerals are given to the outer lid 500 and the box mount 500A for assembling the outer lid.

As shown in the figure, the side wall 520 of the outer lid 500 is configured to be erected in the form of a double wall between the inner wall 522 and the outer wall 524 is maintained a certain distance. That is, in the process of setting up the side wall 520 of the outer lid 500, each corner portion 530 is folded to either side based on the diagonal fold line 532 formed diagonally so that there is no open portion at the corner portion. It is folded into the interwall space 526 between the inner wall 522 and the outer wall 524. In particular, in the process in which the side wall 520 is installed as the inner wall 522 and the outer wall 524, the inner wall 522, which is located outside the box mount 500A in the developed state, is folded inward. At this time, it is preferable that the inner wall 522 of the side wall 520 of the outer lid 500 has a height at which the upper end thereof contacts the lower surface of the upper wall 510.

In addition, at both ends of the pair of inner walls 522 facing each other among the side walls 520 of the outer lid 500 described above, the inner wall 522 is provided with the upper wall 510 as shown in FIGS. 14A and 14B. After erecting along the inner edge of the inner wall facing each other is bound to form a binding wing 540 to be maintained in the form of a cage. In the portions where the binding blades 540 extending from both ends of the inner side walls 522 of the mutually opposite sides intersect with each other, slots 542 for maintaining the mutually engaged state are formed in the form of being opened in the vertical direction, respectively. do. Therefore, when the slots 542 formed in the binding blades 540 are fitted together, a pair of inner walls 522 facing each other among the two pairs of inner walls 522 are quadrilateral together with the binding blades 540. It is fixed in the form.

On the other hand, since the inner edge of the outer lid 500 is made of a size corresponding to the outer edge of the inner lid 400, there is no need for a separate elastic pad on the separate side wall 520.

As described above, the inner main body 200 and the outer main body 300, which are separately configured, are integrated through an assembly process to constitute the box main body 110 of the double packing box 100 according to the present invention, and the inner lid ( 400 and the outer lid 500 is also integrated through the assembly process to form the lid 120 of the double packing box 100 according to the present invention.

The assembly process of the inner body 200, outer body 300, inner lid 400 and outer lid 500 will be described below. Between the side wall 220 of the inner body 200 and the side wall 320 of the outer body 300, assembling space 130 for assembling the side wall 420 of the inner lid 400 should be provided at regular intervals. The process of coupling the lower wall 310 of the outer main body 300 to the lower wall 210 of the inner main body 200 is performed while the inner main body 200 and the inner lid 400 are temporarily assembled. Of course, at this time, the outer rim of the inner lid 400 is made of a size corresponding to each other to the inner rim of the outer lid 500 irrespective of the process of allowing the inner body 200 and the outer body 300 to be integrated An upper surface of the upper wall 410 of the inner lid 400 and a lower surface of the upper wall 510 of the outer lid 500 may be integrated with an adhesive means such as an adhesive. In this process, the upper insulation pad 154 may be attached between the inner lid 400 and the upper wall 410 and the upper wall 510 of the outer lid 500.

As described above, the lower wall 310 of the outer body 300 to the lower wall 210 of the inner body 200 in the state that the inner body 200 and the inner lid 400 is temporarily assembled as an adhesive means such as adhesive. When attached, the inner body 200 and the outer body 300 can be accurately centered (centering). Therefore, the lid 120 in which the inner lid 400 and the outer lid 500 are integrally coupled to the box body 110 in which the inner body 200 and the outer body 300 are integrally coupled is assembled. The process can be done naturally. Of course, in the process in which the inner body 200 and the outer body 300 are integrally coupled, the lower insulating pad 152 having a predetermined thickness may be attached.

The dual packaging box 100 configured as described above is a conventional styrofoam material can be replaced in the packaging box, especially in packaging products such as frozen food. Therefore, not only can the environmental pollution during the manufacturing and disposal process of the styrofoam material box is reduced, but also the risk of environmental hormones generated due to the characteristics of the styrofoam material can be avoided.

In addition, the double packaging box 100 according to the present invention can be relatively reduced compared to the packaging box of the styrofoam material as the cost of the production is made of cardboard material.

In addition, when the waterproof coating is applied to the surface of the corrugated cardboard constituting the inner body 200 of the box body 110 of the above-mentioned double packaging box 100, the liquid generated from the frozen food stored in the inside to the outside It is not leaked and can be used in a more stable state.

In particular, the double packing box 100 according to the present invention, the box body 110 and the lid 120 is made of a dual structure, even if an external shock is applied, the shock is not delivered to the product contained therein of the product Stable storage is possible.

The dual packaging box according to the present invention is not limited to the above-described embodiment, and can be modified in various ways within the scope of the technical idea of the present invention.

1 is an exploded perspective view of a double packing box is opened in accordance with an embodiment of the present invention.

Figure 2 is a cross-sectional view of the box body of the double packing box according to an embodiment of the present invention.

Figure 3 is a cross-sectional view of the lid of the double packing box according to an embodiment of the present invention.

4 is a cross-sectional view of a double packing box according to an embodiment of the present invention.

5 is an exploded perspective view of each component constituting the double packing box according to the present invention.

6 is a view showing a process of coupling the box body and the lid of the double packing box according to an embodiment of the present invention.

7 is a view showing an example of the box mount for the configuration of the inner body according to an embodiment of the present invention.

8a and 8b is a view showing a process of assembling the box mount shown in FIG.

9 is a view showing an example of a box mount for the configuration of the outer main body according to an embodiment of the present invention.

10a and 10b is a view showing a process of assembling the box mount shown in FIG.

11 is a view showing an example of a box mount for the configuration of the inner lid according to an embodiment of the present invention.

12a and 12b is a view showing a process of assembling the box mount shown in FIG.

13 is a view showing an example of a box mount for the configuration of the outer lid according to an embodiment of the present invention.

14A and 14B are views illustrating a process of assembling the box mount shown in FIG. 13.

[Description of Code for Major Parts of Drawing]

100. Double packing box 102. Storage space

110. Box body 120. Lid

130. Assembly space 140,142,144. Elastic wings

152. Lower Insulation Pads 154. Upper Insulation Pads

200. Inner Body 300. Outer Body

400. Inner Lid 500. Outer Lid

220,320,420,520. Sidewalls 222,322,422,522. Inner wall

224,324,424,524. Outer wall 226,326,426,526. Wall space

230,330,430,530. Corner part 240,340,440,540. Binding wings

Claims (9)

The box body folded in the form of a hexahedron with its top opened with corrugated fabric and the lid folded in the form of a hexahedron with the bottom open with a cardboard made of cardboard so that the open top of the box body is covered with each other are combined with a certain volume of storage space. In the packing box to be provided, The sidewalls located on all four sides of the lower wall with an open hexahedron are erected in the form of a double wall in which a constant distance is maintained between the inner wall and the outer wall, and each corner portion has no opening in the corner portion during the folding of the side wall. It is located in the interwall space between the double walls after being folded based on a diagonal fold line formed diagonally, and the inner wall faces inward so that the inner surface, the upper side wall and the outer surface of the side wall are formed on the same surface as the upper surface of the lower wall. Compared to the folding, the outer wall is folded outward, but after the outer wall is erected along the outer side of the lower wall, any one of the outer walls facing each other is constrained to each other so that binding edges are formed at both ends of the outer wall. Corresponding binding wings extending from each other are assembled through the slots, while the assembled The pair of outer walls on the side where the inner blade is located includes: an inner body formed to function as an elastic wing having an outward elasticity in a state surrounding the outer side of the binding blade; The sidewalls are assembled so that the sidewalls located on all four sides of the lower wall with an open hexahedron have a height lower than the height of the sidewalls of the inner body and are maintained at a predetermined distance from the four sides of the inner body. An outer body accommodating the inner body in a space therebetween and having a lower wall fixed to the upper surface of the lower wall; The lower part having an edge corresponding to the assembly space provided between the side wall of the inner body and the side wall of the outer body is assembled into an open hexahedron, and the side walls located on all sides of the upper wall are formed in the form of a double wall in which the inner wall and the outer wall are kept at regular intervals. In the process of fitting the side wall into the assembly space, the side wall of the side where the elastic wing of the inner body is located is formed in close contact with the elastic wing; And The lower part having an edge corresponding to the outer main body is assembled into an open hexahedron, and has a side wall of a lower end contacting the upper end of the outer main body in a state where the inner lid is covered with respect to the inner main body, and the inner lid is received therein. In the state below the upper wall outer lid is fixed to the upper wall of the inner lid; Dual packaging box, characterized in that configured to include. According to claim 1, wherein the lower insulating pad of the rectangular shape is fixed between the lower wall of the outer body and the lower wall of the inner body, while the upper insulating pad of the rectangular shape is formed between the upper wall of the outer lid and the upper wall of the inner lid. Double packaging box, characterized in that fixed installation. According to claim 1 or claim 2, wherein each corner portion is folded on the basis of the diagonal fold line formed diagonally so that there is no opening in the corner portion in the process of the side wall of the inner lid is folded folded on all sides of the upper wall The inner wall and the outer wall are located in the interwall space between the double walls, and the inner wall and the outer wall are folded inwards, but after the inner wall is erected along the inner wall of the upper wall, any pair of inner walls are mutually restrained to maintain the shape of the cage. Binding wings are formed on both ends of the inner wall so that the corresponding binding wings are assembled through the slots, while the inner wall of the side surrounding the assembled binding wing has an inward elasticity in the state of wrapping the binding wings. Formed to function as an elastic wing provided on the inner body during assembly of the lid to the box body Double packaging box, characterized in that the elastic wings provided on the inner lid is formed to be mutually elastic operation. According to claim 3, wherein the outer body is to be integrally coupled with the inner body in the state that the inner body and the inner lid is assembled, so that the distance between the side wall edge of the inner body and the side wall edge of the outer body is constant Double packaging box, characterized in that configured to be. The double packing box according to claim 4, wherein a lower end of the outer wall of the inner body is formed to reach a lower wall of the outer body in a state in which a lower insulating pad is installed below the inner body. The double packaging box according to claim 5, wherein the sidewalls located on all four sides of the outer body have a double wall shape in which a predetermined distance is maintained between the inner wall and the outer wall. 7. The wall space between the double walls of claim 6, wherein each corner portion is folded based on a diagonal fold line formed diagonally so that the side wall of the outer body is not folded in the corner portion while the side wall of the outer body is folded on the lower wall. The inner wall and the outer wall are folded inwards, but after the inner wall is erected along the inner side of the lower wall, any pair of inner walls facing each other are restrained from each other to maintain the shape of the inner wall of the inner wall. A binding box is formed at both ends to extend and the corresponding binding wings are assembled through slots, while the inner wall of the side surrounding the binding wing is formed to function as an inward elastic wing. The double packaging box according to claim 7, wherein the sidewalls located on all four sides of the outer lid have a double wall shape in which a predetermined distance is maintained between the inner wall and the outer wall. The dual packaging box according to claim 8, wherein the surface of the corrugated fabric constituting the inner body is coated with a waterproof coating.

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