JP2012046197A - Packing box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a packing box that can protect a content from an external force and a shock impact caused by, for example, falling, and transport and store the content safely.SOLUTION: A packing box 1 includes a box body 2 formed entirely of paper, a three dimensional frame 7 entirely formed of metal, a lid body 4 entirely formed of paper, an upper shock absorber 8 entirely formed of paper, and a circumferential shock absorbing body 9 entirely formed of paper. Ends of a supporting net 14 are supported at an upper frame 10 of an upper surface of the three dimensional frame 7, and a content 15 can be accommodated by being mounted to the supporting net 14. That is, in the inner part of the packing box 1, the content 15 on the supporting net 14 is located in a space 13 surrounded by the upper and lower frames 10, 11, and pillars 12 of the three dimensional frame 7, and accommodated so as to arrange the upper shock absorber 8 above and the circumferential shock absorbing body 9 at the periphery.

Description

  TECHNICAL FIELD The present invention relates to a packaging box for packing contents in a state in which they are accommodated and transporting or storing the contents.

  There are various types of packing boxes that are packed in a state where the contents are stored inside. For example, mechanical products and electronic devices that are high-weight and precise products are vibrations that occur during transportation. A wooden box with a special size was used to protect the items from shock and impact. That is, a packing box made of a wooden box is generally composed of a bottomed wooden box main body that accommodates stored items as machinery and equipment, and a wooden lid that closes an upper opening of the box main body. In such a packing box, the contents are accommodated inside the box body, and the upper opening of the box body is closed with a lid by a method such as nailing to pack the contents.

  In this type of packing box, in order to protect the contents from vibrations and shocks that occur during loading on the truck bed and during transportation, the contents between the contents and the inner wall of the box body, or Buffers having various shapes are interposed between the inner surfaces of the lid.

  Such an all-wood packing box is advantageous in that it can be safely transported, although it has the advantage of being safe to transport even if it falls during transportation or loading, or even if external force is applied. There are also disadvantages such as fumigation required for quarantine, and the applicant can safely pack high weight, pack precise contents, fumigation etc. at the time of import and export We have been developing a paper packaging box that is not necessary and is lightweight and easy to handle.

  In particular, applicants have developed a packaging box that can safely accommodate and transport sensitive equipment that is easily affected by impact or external force applied to the packaging box during transportation or loading on a loading platform. It has just been trial and error.

  Under such circumstances, as in the following Patent Documents 1 and 2, the applicant accommodates the contents in a mounted state inside the box, and even when an external force is applied during transportation or loading, or when the packing box is dropped. Developed a packing box that can be safely transported without affecting the contents.

JP 2000-318764 A JP 2004-196374 A

  The present invention has been made in the course of such development, and it is intended to provide a packaging box that protects the stored items from external forces such as dropping, impacts, etc., and can safely transport and store the stored items. Yes.

  In order to achieve the above object, claim 1 of the present invention is a bottomed box body made of paper having an opening on its upper surface, consisting of a whole rectangular parallelepiped or a cube, and having four side surfaces and one bottom surface. And a lid made of paper that closes the opening on the top surface of the box body, and in a packing box that can accommodate the contents inside the box body, is made of an overall rectangular parallelepiped or a cube like the box body. An upper frame that is disposed on the upper side and is formed by joining four beams, and a lower frame that is disposed on the lower side and is formed by joining four beams. The upper and lower frames are connected to each other by four pillars that are vertically erected, and the upper and lower frames and Provided with a space surrounded by each pillar material, each side in the box body The metal solid frame that can be accommodated so as to face the corresponding inner side surface of the main body, and the peripheral portion of each of the three solid frames supported by the four beam members constituting the upper frame, In the state where the three-dimensional frame is accommodated, a supporting net is placed on the upper part of the three-dimensional frame so that the accommodation can be positioned in a suspended state in a space surrounded by the upper and lower frames of the three-dimensional frame and each column member. And an upper surface opening of the box body, comprising a face material that covers the container from above in a state where the container is placed on the support net supported by the upper frame of the three-dimensional frame housed inside the box body. In a state where the lid is closed by the lid body, an upper cushioning body interposed in a gap between the inner bottom surface of the lid body and the contents on the support net is provided.

  According to a second aspect of the present invention, the three-dimensional frame is accommodated between the opposing inner surfaces of the box body in a state in which each side surface is accommodated inside the box body so as to face the corresponding inner surface of the box body. The three-dimensional frame is accommodated so that each side face is opposed to the corresponding inner side surface of the box body inside the box body. The packaging box according to claim 1, further comprising a peripheral cushioning body that can be interposed so as to surround the three-dimensional frame in a gap formed between each inner side surface.

  According to a third aspect of the present invention, the peripheral buffer is made of a whole paper, and the peripheral buffer has a three-dimensional frame inside the box body and each side faces the corresponding inner side of the box main body. In a state of being housed in the manner described above, in a state of being interposed in a gap formed between each side surface of the three-dimensional frame and each inner side surface of the box body, a face material that can contact each outer surface of the three-dimensional frame And a projecting strip that is disposed at a predetermined interval in the circumferential direction of the outer surface of each face material and has a tip that can contact the inner surface of the box body. .

  Further, according to a fourth aspect of the present invention, the upper shock absorber is accommodated in a state in which a three-dimensional frame is accommodated inside the box body, and an object is placed on a support net supported by the upper frame of the three-dimensional frame. A paper face material that covers the object from above, a paper ridge that is disposed at a predetermined interval in a predetermined direction on the lower surface of the face material, and that allows the lower end to come into contact with the contents on the support net; It is set as the packaging box of Claim 1 formed by these.

  According to the first aspect of the present invention, the container accommodated in the box body is made of a metal that can be accommodated so that each side surface faces the corresponding inner surface of the box body inside the box body. Of the three-dimensional frame, the four frames constituting the upper frame are placed on a support net whose peripheral portions are supported. That is, the contents can be positioned on the support net in a mounted state in the space surrounded by the upper and lower frames of the metal three-dimensional frame and each pillar material inside the box body, and the upper part of the container is the lid. Since it is covered with the upper buffer that is interposed in the gap between the inner bottom surface and the support on the support net, even if the packing box is dropped and an external force or impact is applied to the packing box, The influence can be minimized. Moreover, among the components that make up the packaging box, each of the box body and the lid is made of paper that is lightweight as a whole and does not require fumigation or the like during quarantine, and is housed inside the packaging box. Since the object is surrounded by a metal solid frame, it can be safely stored even if an external force such as dropping is applied. In addition, since the contents are supported inside the box body in a state of being mounted on a support net, those forces can be applied even in an environment where vibration or impact force is applied to the packaging box during transportation or loading work. Is absorbed and attenuated in the support net. As a result, it is possible to provide a packaging box that protects the stored items from external forces such as dropping, impacts, and the like, and can safely transport and store the stored items.

  According to the second aspect of the present invention, it is possible to place an object on a support net that supports an upper frame peripheral portion of a three-dimensional frame accommodated in a box body, and further, It is possible to interpose a circumferential buffer so as to surround the three-dimensional frame in a gap formed between each side surface and each inner side surface of the box body. Thereby, even in a state where an external force is applied to the packaging box, particularly from the outside, the influence on the contents in the box body can be reduced. As a result, it is possible to provide a packaging box that protects the stored items from external forces such as dropping, impacts, and the like, and can safely transport and store the stored items.

  According to claim 3 of the present invention, the peripheral buffer body is made of a whole paper, and the peripheral buffer body has a three-dimensional frame inside the box body and each side surface on the corresponding inner side surface of the box main body. In a state of being accommodated so as to be opposed to each other, on each outer surface of the three-dimensional frame in a state of being interposed in a gap formed between each side surface of the three-dimensional frame and each inner side surface of the box body The packing box is formed by a face material that can contact each other and a protruding strip that is disposed at a predetermined interval in the circumferential direction of the outer surface of each face material and whose tip can contact the inner surface of the box body. In addition to reducing the influence on the contents in the box body even when external force is applied, it is possible to provide a packaging box that is light in weight and does not require fumigation or the like during quarantine.

  Further, according to the fourth aspect of the present invention, the upper buffer body that covers the contents from above in the box body includes a paper face material that covers the contents from above, and a predetermined interval in a predetermined direction on the lower surface of the face material. Is formed by a paper ridge that allows the lower end to come into contact with the contents on the support net, so that even if an external force is applied to the packaging box, it affects the contents in the box body. In addition, the whole can be made lighter, and a packaging box that does not require fumigation or the like during quarantine can be provided.

It is a perspective view which shows the state which accommodated the accommodation thing inside the packaging box which concerns on embodiment of this invention. It is a perspective view which shows each structural member of the packaging box which concerns on embodiment. It is a perspective view which shows the state which accommodates a stored thing in the frame body in a box main body. It is a perspective view which shows the state which covers an upper buffer body from the upper direction with respect to the accommodation mounted on the support net | network. It is sectional drawing which follows the VV line of FIG. It is a front view which shows the outline | summary of the drop test of the packaging box which accommodates and packs a contained item inside. It is a front view which shows the loading test of the packing box which accommodates an inside and packs it.

  Hereinafter, a packaging box according to an embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, the packaging box 1 has an overall flat rectangular parallelepiped appearance, and the opening 3 on the top surface of the box body 2 made of paper corrugated cardboard is closed with a lid 4 having a side lid 4A. In addition, the contents can be accommodated inside.

  That is, the packing box 1 is packed so that the outer sides of the four peripheral portions of the box body 2 are covered with the side lid 4A, and the opening 3 on the upper surface is covered with the lid 4; As shown in FIG. 1, the packing band 5 is wound around the box body 2 and the lid body 4 so that the contents can be accommodated therein. As shown in FIG. 1, the packaging box 1 in which the contents are packed is loaded on the pallet 6 and can be loaded and transported together with the pallet 6 on a truck bed or the like by an industrial vehicle such as a forklift. Furthermore, it can be stored in a warehouse or the like.

  As shown in FIG. 2, the packaging box 1 according to the embodiment includes a box body 2, a three-dimensional frame 7, a lid body 4, an upper buffer body 8, and a circumferential buffer body 9.

  The box body 2 has an opening 3 on the upper surface and is formed of an overall rectangular parallelepiped. That is, the box body 2 is a bottomed body having four side surface portions 2A and one bottom surface portion 2B, and is entirely formed of a paper cardboard material as described above.

  On the other hand, the lid body 4 that closes the opening 3 on the upper surface of the box body 2 is formed entirely of paper corrugated cardboard material and descends toward the box body 2 as shown by the arrow direction in FIG. The lid 4A is attached to the box body 2 so as to cover the outside of the side surface 2A of the box body 2 (see FIGS. 1 and 5). That is, in this state, the opening 3 on the upper surface of the box body 2 is covered with the upper surface 4B of the lid 4 so that the opening 3 can be closed.

  As shown in FIG. 3, the three-dimensional frame 7 has an overall rectangular parallelepiped shape that can be accommodated in the box body 2, and is entirely formed of a metal pipe material. That is, the three-dimensional frame 7 joins the ends of the four beam members 10A (square pipe members) to each other, arranges the upper frame 10 having an overall rectangular shape on the upper side, and also sets the four beam members. The ends of 11A (square pipe material) are joined to each other, and a lower frame 11 having an overall rectangular shape is disposed on the lower side. The upper and lower frames 10 and 11 have substantially the same size, and the corners are made to correspond to each other vertically. Further, the three-dimensional frame 7 is formed by connecting the corners of the upper and lower frames 10 and 11 in the vertical direction and connecting them with column members 12 (square pipe members) having substantially the same length. The three-dimensional frame 7 formed in this manner includes a rectangular parallelepiped space 13 surrounded by the upper and lower frames 10 and 11 and the pillars 12, and the interior of the box body 2 as shown in FIGS. , Each side surface can be accommodated so as to face each inner side surface portion 2A of the box body 2.

  The three-dimensional frame 7 formed in this way is provided with a support net 14 whose peripheral portions are supported by the four beam members 10A constituting the upper frame 10. The support net 14 is formed in a net shape by braiding a string-like body made of a material such as a synthetic resin or cloth vertically and horizontally, and a peripheral portion thereof is bonded to the upper frame 10 and bonded to the three-dimensional frame 7. The support net 14 is configured such that its center hangs toward the center side of the space 13 of the three-dimensional frame 7 with respect to the binding portion of the string-like body with respect to the upper frame 10.

  On the upper part of the support net 14 thus configured, the accommodation 15 can be placed as shown by the arrow in FIG. Here, the container 15 shown in FIG. 3 is an in-vehicle lithium ion battery having an overall flat rectangular parallelepiped appearance, and has recently been widely used as an electric vehicle and a household auxiliary power source. Regarding such a battery, there is a concern that an accident such as ignition may occur due to a large impact, so it is necessary to pack the battery so as not to give a large impact during transportation.

  In the three-dimensional frame 7 accommodated in the box body 2, the contents 15 placed on the support net 14 are supported in a mounted state in the space 13 surrounded by the upper and lower frames 10, 11 and the respective column members 12. Then, it is accommodated in a positionable manner (see FIGS. 4 and 5), and is accommodated inside the box body 2.

  In the state in which the container 15 is placed on the support net 14 of the three-dimensional frame 7 housed in the box body 2, the container 15 is covered with the upper buffer body 8 as shown by the arrow in FIG. Will be. The upper shock absorber 8 is made of a plane rectangular face material that covers the contents 15 from above, and in the state where the upper face opening 3 of the box body 2 is closed by the lid 4, It can be disposed in a state of being interposed in a gap between the bottom surface and the accommodation 15 on the support net 14 (see FIGS. 4 and 5).

  The upper shock absorber 8 has a flat rectangular shape that covers the container 15 from above when the three-dimensional frame 7 is housed inside the box body 2 and the container 15 is placed on the support net 14 of the three-dimensional frame 7. It is composed of a paper face material 16 and a paper ridge 17 disposed on the lower surface of the face material 16. The face material 16 is formed of a flat rectangular corrugated cardboard material having a size that fits into the upper frame 10 constituting the upper opening of the three-dimensional frame 7. The three ridges 17 are attached to the lower surface of the face member 16 at a predetermined interval in the longitudinal direction (X direction in FIG. 2), and each ridge 17 is formed of a laminated corrugated cardboard material. Each protrusion 17 is formed in a long shape, and is attached along the direction (Y direction) intersecting the longitudinal direction on the lower surface of the face material 16. That is, each protrusion 17 is formed so that the length in the Y direction is slightly shorter than the length in the Y direction in the upper frame 10 that constitutes the upper opening of the three-dimensional frame 7. It is set so that the whole body 8 can be fitted.

  Each protrusion 17 is in a state in which the lower end thereof is disposed so as to come into contact with the upper side of the accommodation 15 in the accommodation state of the accommodation 15 in the support net 14 of the three-dimensional frame 7 shown in FIG. Further, in this state, the upper opening 3 of the box body 2 is closed with the lid 4, so that the space between the inner bottom surface of the upper surface 4 </ b> B of the lid 4 and the contents 15 on the support net 14 as shown in FIG. 5. It is inserted in the gap. As a result, when an external force or vibration is applied to the packaging box 1 during transportation or the like, the upper shock absorber 8 absorbs them.

  In the embodiment, the three-dimensional frame 7 is accommodated so that each side surface faces the inner side surface of the side surface portion 2A of the corresponding box body 2 inside the box body 2, and each inner side surface of the opposing box body 2 The lengths in the X and Y directions (see FIG. 2) are made to correspond to each other so that a gap is formed between them. In the state in which the three-dimensional frame 7 is accommodated inside the box body 2 such that each side surface faces the inner surface of the corresponding side surface portion 2A of the box body 2, each side surface of the three-dimensional frame 7 and each inside of the box body 2 A circumferential buffer body 9 can be interposed in a space formed between the side surface and the three-dimensional frame 7 (see FIGS. 3 to 5).

  The peripheral cushioning body 9 is made of a whole paper, and is composed of a rectangular annular body that can be accommodated inside the box body 2 when viewed from a plane. The peripheral buffer body 9 is a state in which the three-dimensional frame 7 is accommodated in the inside of the box body 2 such that each side surface faces the corresponding inner side surface of the box body 2 (the state shown in FIG. 3), and 7 is provided with a face member 18 that can be brought into contact with each outer side surface of the three-dimensional frame 7 in a state of being interposed in a gap formed between each side surface 7 and the inner side surface of the box body 2. The face material 18 is a single piece that is continued along the circumferential direction (P direction in FIG. 2) of the outer peripheral portion of the side surface of the three-dimensional frame 7, and is entirely formed of a cardboard material. On the outer surface of the face member 18 that can come into contact with each outer surface of the three-dimensional frame 7, a plurality of ridges 19 are arranged at predetermined intervals along the circumferential direction (P direction). The ridges 19 are disposed in a state of being attached to the outer surface of the face member 18 and are entirely formed of a laminated corrugated cardboard material. Each protrusion 19 has a tip at the inner surface of the box body 2 in a state where the peripheral buffer body 9 is interposed in a gap formed between each side surface of the three-dimensional frame 7 and the inner surface of the box body 2. It is possible to come into contact with.

  According to the packaging box 1 according to the above-described embodiment, the container 15 accommodated inside the box body 2 has each side surface facing the inner side surface of the corresponding side surface portion 2A of the box body 2 inside the box body 2. Thus, the metal three-dimensional frame 7 that can be accommodated is placed on the support net 14 whose peripheral portion is supported by each of the four beam members 10A constituting the upper frame 10. That is, the container 15 is placed on the support net 14 in a state of being mounted in the space 13 surrounded by the upper and lower frames 10 and 11 of the metal solid frame 7 having overall rigidity and the pillars 12 inside the box body 2. Further, the upper portion thereof is covered with the upper buffer body 8 interposed in the gap between the inner bottom surface of the upper surface portion 4B of the lid body 4 and the accommodation 15 on the support net 14, so that it should be Even when the packaging box 1 is dropped and an external force or impact is applied to the packaging box 1, the influence on the contents 15 can be minimized. Moreover, among the components constituting the packaging box 1, each of the box body 2 and the lid body 4 is made of paper that is lightweight as a whole and does not require fumigation or the like during quarantine. Since the container 15 is surrounded by a solid metal frame 7 made of a strong material, the container 15 can be safely stored even if an external force such as dropping is applied. In addition, since the container 15 is supported inside the box body 2 in a state of being mounted on the support net 14, even in an environment in which vibration or impact force is applied to the packaging box 1 during transportation or loading operation. These forces are absorbed in the support net 14 and attenuated. That is, since the contents 15 are placed and stored on the hammock inside the packing box 1, as a result, the contents are protected from external forces such as dropping and impacts, and the contents are transported safely. It is possible to provide a packaging box that can be stored.

  Moreover, according to the said embodiment, it becomes possible to mount the accommodation 15 on the support net 14 by which the peripheral part was supported by the upper frame 10 of the solid frame 7 accommodated in the box main body 2, It is possible to interpose the peripheral buffer body 9 so as to surround the three-dimensional frame 7 in a gap formed between each side surface of the three-dimensional frame 7 and each inner side surface of the box body 2. Thereby, even in the state in which an external force is applied to the packing box 1 from the outside, the influence on the contents 15 in the box body 1 can be minimized. As a result, it is possible to provide a packaging box that protects the stored items from external forces such as dropping, impacts, and the like, and allows the stored items 15 to be transported and stored safely.

  Moreover, according to the said embodiment, the surrounding part buffering body 9 is made from a whole paper, and this surrounding part buffering body 9 has the solid frame 7 inside the box main body 2, and each side is the side surface to which the box main body 2 respond | corresponds. In a state of being accommodated so as to be opposed to the inner side surface of the part 2A and being interposed in a gap formed between each side surface of the three-dimensional frame 7 and each inner side surface of the box body 2 The surface material 18 that can be brought into contact with each outer side surface of the three-dimensional frame 7, and the ridge that is arranged at a predetermined interval in the circumferential direction of the outer surface of each surface material 18 and whose tip can be brought into contact with the inner surface of the box body In addition to being able to minimize the influence on the contents 15 in the box body 2 even when an external force is applied to the packaging box 1, the entire body is light and fumigated during quarantine. It is possible to provide the packaging box 1 that does not require this processing.

  Furthermore, according to the above embodiment, the upper shock absorber 8 that covers the contents 15 from above in the box body 2 is formed in a predetermined direction on the paper face material 16 that covers the contents 15 from above and the lower surface of the face material 16. , And is formed by a paper ridge 17 that has a lower end that can come into contact with the contents 15 on the support net 14, so that the box body can be applied even when an external force is applied to the packaging box 1. 2 can be reduced as much as possible, and the whole can be reduced in weight, so that it is possible to provide a packaging box 1 that does not require fumigation or the like during quarantine.

  In the packaging box 1 according to the embodiment, the size of the outer size of the three-dimensional frame 7 is such that a gap is formed between each inner side surface and the inner side surface of the box body 2 while being accommodated inside the box body 2. Although the peripheral buffer body 9 is interposed in the gap, it may be of an external size that allows the three-dimensional frame 7 to be accommodated in the box body 2 without a gap without forming such a gap. . In such a case, the peripheral buffer 9 is not necessarily required.

  Moreover, in the said embodiment, although the surrounding part buffer body 9 is made into one piece by which the face material 18 continues along the circumferential direction (P direction of FIG. 2) of the side surface outer periphery part of the solid frame 7, 7 and corresponding to each of the four side surfaces, and may be constituted by four members provided with ridges on the outer surface of each face material.

  Moreover, in the packaging box 1 which concerns on the said embodiment, the whole is made into a cube shape, and the upper buffer 8 is also made into the rectangular parallelepiped shape also about the box main body 2, the cover body 4, or the solid frame 7 accommodated in the box main body 2. Correspondingly, a flat rectangular shape is used, but the entire packing box may be a cubic shape, and the box body, the lid, and the three-dimensional frame may also be a cubic shape corresponding to this. In this case, the upper cushion corresponds to the size of the three-dimensional frame and can be a flat square shape.

  As shown in FIG. 1 or FIG. 5, the applicants carry out a drop test and a loading test on the packaging box 1 that contains and packs the contents 15 therein and packs them into the package 15. The effect was tested.

  First, the drop test is performed in accordance with the “Dangerous Goods Container Performance Test” based on the UN Recommendations. The drop box 1 is dropped from a position where the height L is 1.8 m, and the drop surface is dropped. Laid an iron plate of 40mmt or more on the bottom surface of concrete. Here, with respect to the packing box 1, the posture in which the upper surface portion 4B of the lid body 4 is on the upper side, the posture in which the upper surface portion 4B of the lid body 4 is on the lower side, and the longitudinal direction of the side lid portion of the lid body 4 is on the lower side. The posture, the posture in which the direction intersecting the longitudinal direction of the side lid portion of the lid body 4 is the lower side, and the posture of falling are sequentially changed, and the damage state of each constituent material and the influence on the contained item 15 accommodated inside The method was investigated. As a result, in the drop test, no particular damage was observed in the contents 15 in the packing box 1, and no influence was observed on the operation performance of the lithium ion battery.

  The loading test was also conducted in accordance with the “Dangerous Goods Container Performance Test” based on the UN Recommendations. First, based on JISP8III, the lid 4 or the box body 2 as a corrugated cardboard material was soaked in moisture for 24 hours. Then, as shown in FIG. 7, a loading test was performed on the stored items 15 loaded with 1950 kg of weights 20 in accordance with the upper portion of the packaging box 1. As a result, even in this loading test, no particular damage was seen in the contents 15 in the packing box 1, and no influence was seen on the moving body performance of the lithium ion battery.

  In the packaging box 1 formed in this way, the container 15 placed on the support net 14 and housed therein contains, in addition to the lithium ion battery shown in the above embodiment, semiconductor precision equipment, physics and chemistry. Various items such as equipment can be packed, and it is particularly suitable as a packing box used for import and export.

  As described above, the packaging box according to the present invention can protect the stored items from external forces such as dropping and impacts, and can safely transport and store the stored items. For this reason, as shown in the above embodiment, when an external force such as a fall accident is applied, a lithium ion battery that is concerned that an accident such as a fire may occur, a high-performance semiconductor device that dislikes vibration and impact, a physics and chemistry device, etc. Therefore, it is possible to provide a packaging box that can be used in many fields.

DESCRIPTION OF SYMBOLS 1 Packing box 2 Box main body 2A Side surface part 2B Bottom surface part 3 Opening part 4 Cover body 4A Side cover part 4B Upper surface part 5 Packing band 6 Pallet 7 Solid frame 8 Upper buffer body 9 Surrounding buffer body 10 Upper frame 10A, 11A Beam material 11 Lower frame 12 Column material 13 Space 14 Support net 15 Containment 16 and 18 Face material 17 and 19 Projection body 20 Weight

Claims (4)

Opened on the upper surface, made of a whole rectangular parallelepiped or cube, made of paper with four side portions and one bottom portion, and a bottomed box body, and made of paper that closes the upper surface opening of the box body A packaging box, and a packaging box capable of accommodating the contents inside the box body,
Like the box body, it consists of an overall rectangular parallelepiped or a cube, and is arranged on the upper side and is formed on the upper side of the rectangular shape, and is arranged on the lower side, and the four beams are joined. And a rectangular lower frame having the same size as the upper frame, and four corners of the upper and lower frames whose upper and lower corners are vertically supported. It is made of metal that is coupled with each pillar material, and has a space surrounded by the upper and lower frames and each pillar material, and can be accommodated so that each side surface faces the corresponding inner side surface of the box body inside the box body. Three-dimensional frame,
Among the three-dimensional frame, in the state where the peripheral portion is supported by each of the four beam members constituting the upper frame and the three-dimensional frame is accommodated inside the box body, the accommodation is placed on the upper part, A support net that can be positioned in a mounted state in a space surrounded by the upper and lower frames of the three-dimensional frame and each column member; and
In the state where the object is placed on the support net supported by the upper frame of the three-dimensional frame housed inside the box body, it is made of a face material that covers the object from above, and the upper surface opening of the box body is the lid In a state of being blocked by the body, an upper buffer body interposed in a gap between the inner bottom surface of the lid body and the accommodation on the support net,
A packaging box characterized by comprising: The three-dimensional frame has a size in which a gap is formed between each side surface of the opposite box body in a state in which each side surface is accommodated inside the box body so as to face the corresponding inner side surface of the box body. The three-dimensional frame is formed between each side surface of the three-dimensional frame and each inner side surface of the box body in a state where each side surface is accommodated inside the box body so that each side surface faces the corresponding inner side surface of the box body. The packaging box according to claim 1, further comprising a circumferential buffer that can be interposed in the gap so as to surround the three-dimensional frame. The peripheral cushioning body is made of paper, and the peripheral cushioning body is a three-dimensional frame in a state in which the three-dimensional frame is accommodated inside the box body so that each side surface faces the corresponding inner side surface of the box body. A face material that can be brought into contact with each outer side surface of the three-dimensional frame in a state of being interposed in a gap formed between each side surface of the frame and each inner side surface of the box body, and an outer peripheral surface of each face material The packaging box according to claim 2, wherein the packing box is formed by a protruding strip that is disposed at a predetermined interval in the direction and whose tip can be in contact with the inner surface of the box body. The upper shock absorber is a paper surface that covers a stored article from above in a state in which a three-dimensional frame is housed inside the box body and the stored article is placed on a support net supported by the upper frame of the three-dimensional frame. 2. A sheet-like projecting strip which is disposed at a predetermined interval in a predetermined direction on the lower surface of the face material and has a lower end which can come into contact with an object on the support net. The packaging box described.