JP3136644U - Packaging container - Google Patents

Abstract

An object of the present invention is to divide and assemble a bottom tray on which products are placed and an outer box that protects the outer periphery and the top of the product, which does not require consumables such as a PP band for bundling at the time of packing, is excellent in resource saving. Provide a packaging container that is simple, excellent in packing and unpacking workability, easy to take out and repack, and excellent in handling and labor saving.
(A) A bottom plate portion formed in a rectangular shape, first to fourth side wall portions erected on the outer periphery of the bottom plate portion, and a difference formed at a lower end portion of the first to fourth side wall portions. A bottom tray having a recessed opening; (b) a bottom opening in which the bottom tray is inserted; first to fourth side portions surrounding first to fourth side wall portions of the bottom tray; The first to fourth flaps connected to the upper end of the fourth side and the two cuts formed on the lower ends of the first to fourth sides are separated from the first to fourth sides. An outer box having a bent portion and an insertion portion that is connected to the lower end portion of the bent portion and is inserted into and removed from the insertion opening of the bottom tray.
[Selection] Figure 1

Description

  The present invention relates to a packaging container formed of flat corrugated cardboard, and in particular, can easily divide and assemble a bottom tray and an outer box, and take out heavy products such as Western-style toilets and various electric products. And a packaging container that can be easily repackaged.

Conventionally, various products are packaged by corrugated cardboard, styrene foam, or a packaging container that combines these.
For example, (Patent Document 1) describes a packaging material in which a bottom plate is laid on the bottom surface of a toilet bowl, a cardboard body is covered from above the toilet bowl, and a PP band is wound around the outer periphery of the cardboard body and the bottom plate. In addition, a positioning opening is formed at the lower end portion of the cardboard main body so as to be fitted with a fitting protrusion projectingly formed on the bottom plate, and the central opening of the positioning opening opens to the lower end edge of the cardboard main body. A toilet packaging material characterized in that a notch for inserting a PP band is formed. "
In addition, (Patent Document 2) states that “an upper surface buffer fixing material for buffering an impact on the toilet upper surface and a lower surface buffer fixing material for buffering an impact on the toilet bottom surface. Front side, rear side, left side, and right side plates are connected to each side recess, and the bottom cushioning fixing material overlaps by bending the bottom plate that is connected to both pairs of bottom plates. A toilet cushioning fixing material formed by folding the convex lock of the lock portion inwardly is disclosed.
JP-A-8-175590 JP 2004-196379 A

However, the above conventional techniques have the following problems.
(1) Since the packaging material for toilet bowls in (Patent Document 1) is packed by wrapping a PP band around the outer periphery of the cardboard body and the bottom plate, the packaging work and the unpacking work are complicated and lack of workability. Had.
(2) In the toilet bowl cushioning fixing material of (Patent Document 2), the upper surface receiving plate and the lower case, and the upper case and the lower case must be fixed with PP bands, respectively, and the packing and unpacking operations are complicated. There was a problem of lack of workability.
(3) As for (Patent Document 1) and (Patent Document 2), those that are fixed with a PP band must be cut at the time of unpacking. A PP band was required, and there was a problem of lack of resource saving. In addition, even when a transport hole is formed in the packaging container, the packaging container may be lifted or carried by grasping a PP band that is easy for an operator to hold, and the PP band may be loosened, resulting in packaging. The problem was that the reliability of the system would decrease. Furthermore, since the PP band is exposed outside the packaging container, not only does the appearance of the design, characters, etc. printed on the surface of the packaging container become hidden, but the PP band appears when carrying it. There was a problem that the band was easily caught and lacked in handleability.

  The present invention solves the above-mentioned problems, does not require consumables such as PP bands for bundling during packing, is excellent in resource saving, and has a bottom tray on which the product is placed, and the outer periphery and upper part of the product. Providing packaging containers that can easily divide and assemble the outer packaging to be protected, are excellent in packing and unpacking workability, can be easily taken out and repacked, and are excellent in recyclability, handling, and labor saving. With the goal.

In order to solve the above problems, the packaging container of the present invention has the following configuration.
The packaging container according to claim 1 of the present invention includes: (a) a bottom plate portion formed in a rectangular shape; first to fourth side wall portions erected on an outer periphery of the bottom plate portion; A slit-like insertion opening formed in parallel with the bottom plate at the lower end of each of the four side walls, and (b) the bottom tray is inserted. A bottom opening, a first through fourth side that surrounds an outer periphery of the first through fourth side walls of the bottom tray, and an upper end of each of the first through fourth side via a crease The first to fourth flap portions, the two cut portions formed at the lower ends of the first to fourth side portions, and the first to fourth side portions at the two cut portions. And a bent portion formed so as to be foldable outwardly, and a lower end portion of each of the bent portions. A plug portion to be inserted freely inserted into and removed from the insertion opening of the people, have, have a configuration and a outer box to protect the outer periphery and the upper portion of the product.
This configuration has the following effects.
(1) Since the outer box has a bottom opening in which the bottom tray is inserted, the outer box can be easily attached to and detached from the bottom tray while the product is placed on the bottom tray. Excellent assembly workability.
(2) By having a bottom tray on which the product is placed and an outer box that protects the outer periphery and top of the product, the product can be placed on the bottom tray with the outer box removed at the time of packing or unpacking. Since the product can be taken out from the bottom tray, it is not necessary to lift the product to the upper end of the outer box, and it is excellent in packing and unpacking workability and labor saving.
(3) The bottom tray has a slit-like insertion opening formed in parallel with the bottom plate at the lower end of each of the first to fourth side walls provided upright on the outer periphery of the bottom plate, However, since it has an insertion part that is inserted through each insertion opening of the bottom tray so as to be freely inserted and removed, it is possible to easily assemble and divide the bottom tray and the outer box simply by inserting and removing the insertion part, It is excellent in workability of packing and unpacking, and it is not necessary to use a binding member such as a PP band, and it is excellent in resource saving.
(4) Since the exterior box has first to fourth flap portions connected to each upper end portion of the first to fourth side portions via a fold line, the first to fourth flap portions are folded at the fold line. The lid can be easily formed, and the assembly workability of the outer box is excellent.
(5) A bent portion in which the outer box is separated from the first to fourth side portions by two cut portions formed on the lower end side of each of the first to fourth side portions and can be bent outward. Since the insertion part is connected to the lower end part of each folding part via a fold, the insertion part can be easily inserted into each bottom tray by changing the angle of the folding part. It can be inserted into and removed from the opening, and is excellent in dividing and assembling work between the bottom tray and the outer box.
(6) Since the weight of the product is applied in a state where the insertion portion is inserted into the insertion opening, the insertion portion is difficult to come off and the packaging safety is excellent.

Here, the bottom tray is preferably made of corrugated cardboard, but may also be made of foamed polystyrene, synthetic resin, or a combination of cardboard and foamed polystyrene. In addition, when forming a bottom tray with a corrugated cardboard, the assembly method is free.
The length of the insertion opening of the bottom tray and the area of the insertion portion of the outer box can be appropriately selected according to the weight of the product. If the length of the insertion opening or the area of the insertion section is insufficient, it will be difficult to hold the bottom tray at the insertion section, it will not be able to withstand the weight of the product, the bottom tray will fall off, or the insertion section will be damaged To do. Moreover, when the length of the insertion opening becomes excessive, the strength of the side wall portion of the bottom tray tends to decrease.
The length of the insertion portion of the outer box is preferably equal to or slightly shorter than the length of the insertion opening of the bottom tray, but the bent portion only needs to be able to be inserted and removed. The lengths of the portion and the insertion portion do not necessarily need to match.
In addition, since the cut portion for dividing the bent portion with respect to the side portion of the exterior box is not necessarily in the vertical direction, the shape of the bent portion is not limited to a rectangular shape, but a trapezoidal shape. It may be formed.
Depending on the shape of the product, the cushioning material formed by appropriately combining cardboard, foamed polystyrene, etc., is placed on the top surface, cutouts, recesses, etc. of the product to securely fix and protect the product. It has excellent fixing stability and transportability.

Invention of Claim 2 is a packaging container of Claim 1, Comprising: It has the structure provided with the hole for operation formed in the said bending part of the said exterior box, or the notch for operation ing.
With this configuration, in addition to the operation of the first aspect, the following operation is provided.
(1) By having an operation hole or an operation notch formed in the bent part of the outer box, the bent part is operated so that the finger is caught in the operation hole or the operation notch. And can be easily pulled out.

  Here, the shape, number, size, and arrangement of the operation hole and the operation notch can be appropriately selected. For example, the operation hole can be formed at the center of the bent portion or the lower end of the insertion portion, and the operation notch is formed at both ends of the bent portion on the cut portion side. Can do.

The packaging container according to claim 3 is the packaging container according to claim 2, wherein a bent portion for operation that can be bent outward is formed in the bent portion of the outer box, and the operation hole is formed. Or the operation cutout portion is formed in the operation bent portion.
With this configuration, in addition to the operation of the second aspect, the following operation is provided.
(1) The bending portion for operation that can be bent outward is formed in the bending portion of the outer box, and the operation hole portion or the operation notch portion is formed in the bending portion for operation. Fold the operation fold part outward by hooking your finger on the operation hole or operation notch, and then pull the operation fold part with your finger and pull it forward. The continuous insertion portion can be pulled out from the insertion opening, and the efficiency of pulling out the insertion portion is excellent.

  Here, the shape, number, size, and arrangement of the operation bent portion can be appropriately selected. In particular, when the operation bent portion is arranged on the lower end side of the bent portion, the insertion portion can be easily removed from the insertion opening portion, and the workability and labor saving of extraction are excellent.

Invention of Claim 4 is a packaging container of any one of Claims 1 thru | or 3, Comprising: It mounts on the upper surface of the said baseplate part of the said bottom tray, The said each of the said bottom tray It has a configuration comprising a bottom base pad in which a notch-shaped insertion recess is formed in which the insertion portion of the outer box inserted through the insertion opening is fitted at the position of the insertion opening. ing.
With this configuration, in addition to the operation of any one of claims 1 to 3, the following operation is provided.
(1) The bottom base pad formed with a notch-shaped insertion recess into which the insertion portion of the outer box inserted from the insertion opening is fitted at the position of each insertion opening of the bottom tray By placing it on the top surface of the bottom plate part of the tray, when the insertion part is inserted through the insertion opening, the insertion part does not interfere with the bottom base pad, and the bottom tray is firmly attached to the insertion part. In addition to being able to hold, the bottom plate portion of the bottom tray can be reinforced, and the durability and robustness of the bottom tray are excellent.

Here, the bottom base pad may be formed by stacking a plurality of cardboards, or may be formed by folding a large cardboard.
The shape of the insertion recess can be formed to match the shape of the insertion part, but by forming it slightly larger than the outer shape of the insertion part, dimensional errors can be absorbed, Interference is reliably prevented and the insertion / extraction workability of the insertion part is excellent.

Invention of Claim 5 is a packaging container of Claim 4, Comprising: The said bottom tray has a fitting hole formed in the lower end part of the said 1st and 3rd side wall part which opposes, The bottom base pad has a configuration including a protrusion that is fitted into the fitting hole of each of the bottom trays.
With this configuration, in addition to the operation of the fourth aspect, the following operation is provided.
(1) The bottom tray has a fitting hole formed in the lower ends of the first and third side wall portions facing each other, and the bottom base pad is a protrusion that is fitted into each fitting hole of the bottom tray. Therefore, the bottom base pad can be positioned and fixed with respect to the bottom tray by fitting the protrusion into the fitting hole, and the insertion portion of the outer box can be attached to the bottom tray during assembly work of the bottom tray. When inserting from the insertion opening, the bottom base pad does not move left and right or back and forth, and the assembly workability is excellent.

  Here, the shape, number, size, and arrangement of the fitting holes of the bottom tray and the protrusions of the bottom base pad can be appropriately selected. In particular, when the fitting holes are formed on both sides of the insertion opening formed in the side wall, the bottom base pad can be fixed at the four corners, and the fixing stability is excellent.

The packaging container of Claim 6 is a packaging container of Claim 5, Comprising: The rectangular-shaped bottom board used as the said bottom board part of the said bottom tray in which the said bottom base pad is mounted, and the said bottom board A rectangular side wall plate connected to the upper and lower ends of the side wall plate via folds, a side wall reinforcing plate connected to the left and right ends of the side wall plate via fold lines, and the left and right sides of the bottom plate A rectangular outer plate connected to each end of the outer plate via a crease, a rectangular sidewall upper plate connected to the outer plate via a fold, and a fold to the sidewall upper plate. A rectangular inner plate provided; the insertion opening formed in the bottom plate side end of the side wall plate and the outer plate; and the bottom plate side end of the side wall plate. The fitting plate, and a fitting projection formed at an end of the inner plate, and the side wall plate is folded. The projections of the bottom base pad, which are bent perpendicularly to the bottom plate with the eyes and placed on the top surface of the bottom plate, are fitted into the fitting holes of the side wall plate, and the first and A third side wall is formed, and the side wall reinforcing plate is bent at the fold to the bottom plate side perpendicularly to the side wall plate, and the outer plate, the side wall upper plate, and the inner plate are formed into a substantially U-shape at the fold. Folding, sandwiching the side wall reinforcing plate between the outer plate and the inner plate, and fitting the fitting convex portion into a fitting concave portion formed at an end portion of the bottom base pad, the second and second of the bottom tray It has the structure in which the 4th side wall part is formed.
With this configuration, in addition to the operation of the fifth aspect, the following operation is provided.
(1) The first and second bottom trays are simply bent by folding the side wall plate perpendicularly to the bottom plate and fitting the protrusions of the bottom base pad placed on the top surface of the bottom plate into the fitting holes of the side wall plate. Three side wall portions can be formed, and the assembling work is easy and the mass productivity is excellent.
(2) Fold the side wall reinforcing plate to the bottom plate side perpendicular to the side wall plate at the fold, and fold the outer plate, side wall upper plate, and inner plate into a substantially U shape with the folds, and sandwich the side wall reinforcing plate between the outer plate and the inner plate The second and fourth side wall portions of the bottom tray can be formed simply by fitting the fitting convex portion to the fitting concave portion formed at the end of the bottom base pad, making assembly work easy and mass-productive. Excellent.
(3) Since the projection of the bottom base pad is fitted into the fitting hole of the side wall plate and the bottom base pad is positioned and fixed, the outer side plate, the upper side plate, and the inner side plate are folded into a substantially U-shape. When the fitting convex part formed on the end part of the plate is fitted into the fitting concave part formed on the end part of the bottom base pad, the reaction force of the outer plate, the upper side plate, and the inner plate opens. The bottom base pad does not move, the fitting projection can be securely held and fixed by the fitting depression, and the assembly workability and shape stability are excellent.
(4) The second and second side walls are sandwiched between the outer side plate and the inner side plate that form the second and fourth side wall portions by sandwiching the side wall reinforcing plates that are provided on the left and right sides of the side wall plates that are the first and third side wall portions. The four side wall portions can be reinforced with the side wall reinforcing plate, and the adjacent side wall portions can be firmly connected and fixed, and the shape stability and durability are excellent.
(5) Since the fitting convex portion formed at the end portion of the inner plate can be fitted into the fitting concave portion formed at the end portion of the bottom base pad, the second and fourth side wall portions can be formed. The bottom plate, which is the bottom plate of the bottom tray, does not need to be formed with a fitting hole, etc., and it is excellent in workability and can prevent the strength of the bottom plate from being lowered. And excellent reliability in product protection.

  Here, when the lightening hole is formed in the side wall upper plate, the side wall upper plate and the inner side plate can be easily bent manually, and the assembly workability and labor saving are excellent.

A device according to a seventh aspect is the packaging container according to any one of the first to sixth aspects, wherein the product placed on the bottom plate portion of the bottom tray or the top surface of the bottom base pad is placed on the product. It has a configuration with a bottom pad for positioning and fixing.
With this configuration, in addition to the operation of any one of claims 1 to 6, the following operation is provided.
(1) By having a bottom pad that is placed on the bottom plate part of the bottom tray or the top surface of the bottom base pad and fixes the product, the outer box and the product interfere when the outer box is covered from above the product during packaging. Assembling work can be performed smoothly without damaging the product, and the assembling workability is excellent.
(2) The product can be positioned and fixed by the bottom pad, and the fixing stability of the product during transportation is excellent.

  Here, a convex part, a concave part, a notch, etc. can be suitably formed in the upper surface of a bottom pad according to the shape of the bottom part of a product. The bottom pad may be formed by laminating a plurality of cardboards, or may be formed by folding a large cardboard. Moreover, you may form combining a polystyrene foam etc.

The invention according to claim 8 is the packaging container according to any one of claims 1 to 7, wherein the container is formed in a cross-girder shape and disposed on the upper surface of the product, or the notch or recess of the product. It has the structure provided with the shock absorbing material.
With this configuration, in addition to the operation of any one of claims 1 to 7, the following operation is provided.
(1) By having a cushioning material disposed on the top surface of the product or the notch or recess of the product, it is possible to prevent the product from being tilted or vibrated during transportation, and the packaging container in which the product is packed When stacked, the outer box can be prevented from being crushed or deformed, and the shape stability and transportability are excellent.
(2) Since the cushioning material is formed in a cross-beam shape, it is lightweight, excellent in mass productivity and handling properties, and can secure a compressive strength in the vertical direction, and contains a heavy product. Even when stacked, the outer box can be reliably prevented from being crushed and deformed, and is excellent in space saving during storage and transportation.
(3) Since the buffer material is formed in a cross beam shape, the space surrounded by the cross beam can be used as a storage space for product accessories and the like, and the storage property is excellent.

Here, when an interior box is provided that is detachably disposed in a space surrounded by a well of a cushioning material, it can be securely stored without scattering product accessories, tools, manuals, etc. Excellent reliability.
In addition, the uneven | corrugated | grooved part can be suitably formed in the side part and bottom part of a shock absorbing material according to the shape of a product. Forming the product inside the packaging container by forming the side end face and the upper end face of the cushioning material so as to contact the inner surface of the first to fourth side portions and the inner surface of the first to fourth flap portions of the outer packaging box It can be fixed securely and has excellent product stability.

The invention according to claim 9 is the packaging container according to any one of claims 1 to 8, wherein the container is formed to project downward from an upper edge of the insertion opening of the bottom tray. And a locking hole that is formed at an end portion of the insertion portion of the outer box on the bent portion side and that locks the locking tongue. is doing.
With this configuration, in addition to the operation of any one of claims 1 to 8, the following operation is provided.
(1) A locking tongue formed to protrude downward from the upper edge of the insertion opening of the bottom tray, and a locking formed at the end of the insertion portion of the outer box on the bent portion side By having a hole, with the insertion part inserted into the insertion opening, the locking tongue can be locked in the locking hole to securely fix the insertion part, and carry the packaging container. The insertion portion does not come out of the insertion opening due to vibration or inclination at the time, and the product can be reliably prevented from dropping together with the bottom tray, and the reliability is excellent.

As described above, according to the packaging container of the present invention, the following advantageous effects can be obtained.
The device according to claim 1 has the following effects.
(1) In the slit-shaped insertion opening formed in the lower end portion of the first to fourth side wall portions of the bottom tray, in the bent portion formed on the lower end side of the first to fourth side portions of the outer box. The bottom tray and the outer box can be easily assembled and divided simply by inserting and removing the continuous insertion part, and there is no need to use a binding member such as a PP band. A packaging container excellent in resource saving can be provided.

According to the invention described in claim 2, in addition to the effect of claim 1, the following effect is obtained.
(1) Easily pull out the insertion part by operating the bent part by hooking a finger on the operation hole or the operation notch formed in the bent part of the outer box. It is possible to provide a packaging container excellent in unpacking workability.

According to the invention described in claim 3, in addition to the effect of claim 2, the following effect is obtained.
(1) The operation bent portion or the operation cutout portion is provided in the bent portion of the outer box so that the finger is hooked on the operation hole portion or the operation cutout portion. The folding part for operation can be folded outward, and the insertion part connected to the folding part can be easily opened from the insertion opening by simply pulling the folding part for operation with your finger and pulling it forward. Thus, it is possible to provide a packaging container excellent in labor-saving of unpacking work, which can be pulled out and can be efficiently pulled out.

According to the invention described in claim 4, in addition to the effect of any one of claims 1 to 3, the following effect is obtained.
(1) The bottom base pad formed with a notch-shaped insertion recess into which the insertion portion of the outer box inserted from the insertion opening is fitted at the position of each insertion opening of the bottom tray By placing on the top surface of the bottom plate part of the tray, there is no interference between the insertion part and the bottom base pad, and it is possible to securely hold the bottom tray by inserting the insertion part into the insertion opening. It is possible to provide a packaging container excellent in durability and robustness of the bottom tray capable of reinforcing the bottom plate portion of the bottom tray.

According to the invention described in claim 5, in addition to the effect of claim 4, the following effect is obtained.
(1) The bottom base pad is securely attached to the bottom tray by fitting the protrusions of the bottom base pad into the fitting holes formed in the lower ends of the first and third side walls facing the bottom tray. Assembly work that can prevent the bottom base pad from moving left and right or back and forth when assembling the bottom tray or when inserting the outer box insertion portion through the insertion opening of the bottom tray A packaging container excellent in properties can be provided.

According to the invention described in claim 6, in addition to the effect of claim 5, it has the following effect.
(1) The outer base plate, the side wall upper plate, and the inner side plate folded into a substantially U-shape by the bottom base pad being positioned and fixed by fitting the protruding portion of the bottom base pad into the fitting hole of the side wall plate. Against the reaction force to open, the fitting projection formed at the end of the inner plate can be securely held and fixed in the fitting recess formed at the end of the bottom base pad The bottom base pad does not move, and a packaging container excellent in assembly workability and shape stability of the bottom tray can be provided.
(2) The first and third side wall portions of the bottom tray are formed by fitting the protrusions of the bottom base pad into the fitting holes formed at the end portions of the side wall plates, and are formed at the end portions of the inner side plate. Since the second and fourth side wall portions are formed by fitting the fitted convex portion into the fitting concave portion formed at the end portion of the bottom base pad, it is fitted to the bottom plate serving as the bottom plate portion of the bottom tray. There is no need to form holes or the like, and a packaging container excellent in processability, durability and reliability of product protection that can reliably protect the bottom of the product can be provided.

According to the invention described in claim 7, in addition to the effect of any one of claims 1 to 6, the following effect is obtained.
(1) The bottom pad placed on the bottom plate of the bottom tray or the top surface of the bottom base pad can position and fix the product without damaging the product. It is possible to provide a packaging container having excellent fixation stability of the product.

According to the invention described in claim 8, in addition to the effect of any one of claims 1 to 7, the following effect is obtained.
(1) The cushioning material formed in a cross-beam shape is lightweight and excellent in mass production and handling, and can secure a compressive strength in the vertical direction, has excellent durability, and contains a heavy product. Even when the containers are stacked, it is possible to reliably prevent the outer box from being crushed or deformed, and to provide a packaging container excellent in space saving during storage and transportation.

According to the device of the ninth aspect, in addition to the effect of any one of the first to eighth aspects, the following effect is obtained.
(1) By locking the locking tongue piece in the locking hole, the insertion portion can be securely fixed, and the insertion portion comes out of the insertion opening due to vibration or inclination when carrying the packaging container. Therefore, it is possible to provide a packaging container excellent in reliability and handleability that can reliably prevent the product from dropping together with the bottom tray.

(Embodiment 1)
The packaging container in Embodiment 1 of this invention is demonstrated referring drawings below.
1 is an exploded perspective view of a packaging container according to Embodiment 1. FIG.
In FIG. 1, 1 is a packaging container made of corrugated cardboard in Embodiment 1 of the present invention for packaging a product 70 such as a Western-style toilet bowl, 2 is a bottom tray of the packaging container 1 on which the product 70 is placed, 2a is a bottom tray 2 The bottom plate portions 2b to 2e are first to fourth side wall portions of the bottom tray 2 in which side wall plates integrally formed on the outer periphery of the bottom plate portion 2a are erected, and 3 is an upper surface of the bottom plate portion 2a of the bottom tray 2 The bottom pad of the packaging container 1 for positioning and fixing the product 70 placed on the pad, 4 is formed in a cross-girder shape, and the cushioning material of the packaging container 1 disposed on the upper surface 70a of the product 70, 5 is detachably attached to the bottom tray 2 The outer packaging box 5 of the packaging container 1 that is extrapolated and protects the outer periphery and the upper part of the product 70 is a handle hole formed on both side surfaces of the outer packaging box 5, and 5 b is a lid portion of the outer packaging box 5.

Next, the structure of the bottom tray of the packaging container in Embodiment 1 will be described in detail.
2 is an exploded perspective view of the cardboard forming the bottom tray of the packaging container in the first embodiment, and FIG. 3 is a plan view of the bottom base pad placed on the bottom plate portion of the bottom tray of the packaging container in the first embodiment. FIG.
In FIG. 2, 10 is a corrugated cardboard of W flute forming the bottom tray 2 of the packaging container 1 in Embodiment 1, and 11 is a bottom plate portion 2a of the bottom tray 2 on which the bottom base pad 20 (see FIG. 3) is placed. The rectangular bottom plate 12, 12 is a rectangular side wall plate connected to the upper and lower ends of the bottom plate 11 via folds 11 a, and 12 a is formed at the end of the side wall plate 12 on the bottom plate 11 side. 12a ′ is a locking tongue formed protruding downward from the upper edge of the central portion of the insertion opening 12a, and 12b is an end of the side wall plate 12 on the bottom plate 11 side. Fitting holes formed on both sides of the insertion opening 12a, 13 are side wall reinforcing plates connected to the left and right end portions of the side wall plate 12 via folds 12c, and 16 is the left and right ends of the bottom plate 11. A rectangular outer plate 16a continuously connected to each other via a fold line 11b, An insertion opening formed at the end of the outer plate 16 on the bottom plate 11 side, 16a 'is a locking tongue formed by projecting downward from the upper edge of the central portion of the insertion opening 16a, Reference numeral 17 denotes a rectangular side wall upper plate connected to the outer plate 16 via a fold line 16b, 17a denotes a lightening hole formed at three positions in the longitudinal direction of the side wall upper plate 17, and 18 denotes a fold line 17b on the side wall upper plate 17. A rectangular inner plate 18 b provided continuously through the two is a fitting convex portion at two places formed on the end portion 18 a of the inner plate 18.

  In FIG. 3, reference numeral 20 denotes a B flute corrugated cardboard, and a bottom base pad 21a that is placed on the upper surface of the bottom plate 11 to reinforce the bottom plate portion 2a of the bottom tray 2 when the bottom tray 2 is formed from the cardboard 10; ˜21d is a notch-shaped insertion recess formed at the center of the end 20a-20d of each side of the bottom base pad 20 corresponding to the position of the insertion openings 12a, 16a (see FIG. 2), 22 Is a protrusion formed at both ends of the end portions 20a and 20c of the bottom base pad 20 corresponding to the positions of the fitting holes 12b (see FIG. 2), and 23 is both ends of the end portions 20b and 20d of the bottom base pad 20. It is the fitting recessed part formed in the part corresponding to the position of the fitting convex part 18b (refer FIG. 2).

Next, the assembly process of the bottom tray will be described.
4 and 5 are perspective views showing the assembly process of the bottom tray of the packaging container in the first embodiment, and FIG. 6 is a completed perspective view of the bottom tray of the packaging container in the first embodiment.
First, in FIG. 4, the bottom base pad 20 is placed on the bottom plate 11 of the cardboard 10 so that the position of the fitting hole 12 b matches the position of the protrusion 22 of the bottom base pad 20. The bottom plate portion 2a is formed.
Next, each side wall plate 12 is bent at a fold line 11 a (see FIG. 2) perpendicularly to the bottom plate 11, and the protruding portion 22 of the bottom base pad 20 placed on the upper surface of the bottom plate 11 is fitted to the side wall plate 12. The first and third side wall portions 2b and 2d of the bottom tray 2 are formed by fitting into the holes 12b.
Subsequently, the side wall reinforcing plate 13 on the back side of each side wall plate 12 is bent to the bottom plate 11 side perpendicularly to the side wall plate 12 by the fold line 12c, and the outer side plate 16, the side wall upper plate 17, and the inner side plate 18 are folded to the fold line 11b. The side wall reinforcing plate 13 is sandwiched between the outer plate 16 and the inner plate 18 and the fitting convex portion 18b is fitted into the fitting concave portion 23 formed on the end portion 20b of the bottom base pad 20. In combination, the second side wall 2c of the bottom tray 2 is formed as shown in FIG. At this time, since the side wall upper plate 17 is formed with the lightening holes 17a, the side wall upper plate 17 and the inner side plate 18 can be easily bent manually, and the assembly workability is excellent. Further, since the protruding portion 22 of the bottom base pad 20 is fitted and fixed in the fitting hole 12b of the side wall plate 12, the outer plate 16, the upper side plate 17 and the inner plate 18 are opened to return. The position of the bottom base pad 20 can be held against the force, and the fitting convex portion 18 b can be reliably fitted into the fitting concave portion 23.
Similarly, the side wall reinforcing plate 13 on the near side of each side wall plate 12 is bent to the bottom plate 11 side perpendicular to the side wall plate 12 at the fold line 12c, and the outer side plate 16, the side wall upper plate 17, and the inner side plate 18 are folded on the fold line 11b. 16b, 17b, and the side wall reinforcing plate 13 is sandwiched between the outer plate 16 and the inner plate 18, and the fitting convex portion 18b is formed in the fitting concave portion 23 formed at the end portion 20d of the bottom base pad 20. As shown in FIG. 6, the fourth side wall portion 2e of the bottom tray 2 is formed, and the bottom tray 2 is completed.

Next, the structure of the outer packaging box of the packaging container in the first embodiment will be described in detail.
FIG. 7 is a perspective view before the assembly of the outer packaging box of the packaging container in the first embodiment.
In FIG. 7, 50 is a bottom opening of the outer box 5, 51 to 54 are first to fourth side parts of the outer box 5, 55 is a handle hole 5 a (see FIG. 11) in the first side part 51 and the third side part 53. A handle hole forming portion punched so as to be foldable to form a reference), 55a is a notch portion formed on both sides of the handle hole forming portion 55 on the base side, and 56a to 56d are first to fourth side portions. First to fourth flap portions 57 and 57 which are connected to the upper end portions of 51 to 54 via fold lines 51 a to 54 a, 57 are the periphery of the handle hole 5 a formed in the first side portion 51 and the third side portion 53. In order to reinforce the grip hole reinforcing portion 57a punched in the first flap portion 56a and the third flap portion 56c so as to be bent, 57a is a handle hole reinforcing portion 57 formed in the same shape as the handle hole forming portion 55. Stop holes 57a 'are formed on both sides of the locking hole 57a and folded back. A locking protrusion 58 that engages with the notch portion 55a of the hand hole forming portion 55 to fix the handle hole reinforcing portion 57, 58 is divided into first to fourth side portions 51 to 54 by cut portions 58a on both sides, and the upper end. Folded part 58a ′ is formed at the lower end side of the first to fourth side parts 51 to 54 on both sides of the bent part 58. The chamfered portion 59, the bending portion for operation formed in the central portion at the lower end side of each bent portion 58 so as to be foldable outwardly, 60 is provided at the lower end portion of each bent portion 58 via a fold 58c. The insertion portions 60a, which are continuously provided and are inserted through the insertion openings 12a and 16a (see FIG. 11) of the bottom tray 2 so as to be freely inserted and removed, are arranged at the end portions of the insertion portions 60 on the bent portion 58 side. When the formed insertion portion 60 is inserted into the insertion openings 12a and 16a, the locking tongue 12a 'of the bottom tray 2 is inserted. 16a 'is inserted portion engaging hole to be engaged.

Next, the assembly process of the exterior box will be described.
First, the handle hole reinforcing portion 57 is bent inside the first side portion 51 and the third side portion 53, and then the handle hole forming portion 55 is bent inside the first side portion 51 and the third side portion 53. The notch portion 55a of the hole forming portion 55 and the locking projection 57a ′ of the locking hole 57a are engaged to fix the handle hole reinforcing portion 57 to form the handle hole 5a.
Further, the first to fourth flap portions 56a to 56d are folded at the fold lines 51a to 54a to form the lid portion 5b.
As described above, the outer packaging box 5 before packing shown in FIG. 1 is completed.
The first to fourth flap portions 56a to 56d are preferably crushed with cork in advance. The lid portion 5b can be easily formed, and when the packaging containers 1 packed with the product 70 are stacked, the first to fourth flap portions 56a to 56d are not crushed, and the original strength of the outer box 5 is immediately increased. It is because it is demonstrated.

Next, the packaging method using the packaging container in Embodiment 1 will be described in detail.
First, the bottom pad placing process will be described.
FIG. 8 is a perspective view showing a bottom pad placing step of the packaging method using the packaging container in the first embodiment.
In FIG. 8, 30 is a substrate of the bottom pad 3 formed of corrugated cardboard of B flute in accordance with the inner shape of the bottom plate portion 2a of the bottom tray 2, and 31 and 32 are connected to the end portion of the substrate 30 and folded back. The positioning plates 31 a and 32 a of the bottom pad 3 are positioning notches formed in the positioning plates 31 and 32 in accordance with the shape of the bottom of the product 70.
In the bottom pad placing step, the bottom pad 3 is placed on the upper surface of the bottom plate portion 2a of the bottom tray 2, as shown in FIG.

Next, the product placement process will be described.
FIG. 9 is a perspective view showing a product placement process of the packaging method using the packaging container in the first embodiment.
In the product placing process, as shown in FIG. 9, the product 70 is placed on the bottom pad 3 in accordance with the shape of the positioning cutout portions 31 a and 32 a of the bottom pad 3. At this time, since the substrate 30 of the bottom pad 3 is formed of corrugated cardboard of B flute that is strong against plane compression and is not easily crushed, the compression amount (sink amount) due to the weight of the product 70 can be minimized. Thereby, even when the several packaging container 1 in which the product 70 was packed is stacked, the packaging container 1 can be prevented from being deformed or crushed and excellent in reliability.
Note that one or a plurality of reinforcing pads can be disposed between the bottom plate portion 2a of the bottom tray 2 and the bottom pad 3 as necessary. Since the reinforcement pad only needs to reinforce the bottom plate portion 2a, various materials such as a plywood board, a synthetic resin board, a plastic cardboard, and a paper cardboard can be used. From the viewpoint of recycling and environmental problems, Paper cardboard is particularly preferable.

Next, the buffer material placing step will be described.
FIG. 10 is a perspective view showing a cushioning material placing step of the packaging method using the packaging container in the first embodiment.
In FIG. 10, 40 is a bottom plate of the cushioning material 4, 41a to 41d are side plates of the cushioning material 4 that are erected on the bottom plate 40 in a grid pattern, and 42 is a cushioning material 4 that is surrounded by side plates 41a to 41d. It is a space part.
In the cushioning material placing step, the cushioning material 4 is placed on the upper surface 70a of the product 70 as shown in FIG. The space portion 42 can accommodate accessories, tools, manuals, and the like of the product 70.
The material and shape of the cushioning material 4 can be selected as appropriate depending on the shape, material, weight, etc. of the product 70. From the vertical compressive strength, recyclability, and environmental protection, the W flute corrugated cardboard is shaped like a cross. Those formed are preferably used.

Next, the outer box mounting process will be described.
FIG. 11 is a perspective view showing an outer box mounting process of the packaging method using the packaging container in the first embodiment, FIG. 12 is a completed perspective view of the packaging container in the first embodiment, and FIG. 13 is the embodiment. FIG. 14 is an enlarged side view of main parts showing a grounding state of the packaging container in FIG. 1, and FIG.
13 and 14, X is a grounding surface such as the ground on which the packaging container 1 is placed.
In FIG. 11, the outer box 5 is extrapolated to the bottom tray 2. At this time, by bending each bent portion 58 and the insertion portion 60 into a dogleg shape and moving the outer box 5 downward, the insertion portion 60 is inserted into the insertion openings 12a and 16a. The outer box 5 is attached to the bottom tray 2 to complete the packaging container 1 shown in FIG.
In addition, the insertion part 60 can be easily inserted into and removed from the insertion part 60 by being previously crushed with cork, and is excellent in packing and unpacking workability.

  As shown in FIG. 13, when the bottom surface of the packaging container 1 is in contact with the grounding surface X such as the ground, the locking tongues 12a ′ of the insertion openings 12a and 16a of the bottom tray 2 are provided. Although 16a 'is not fully latched by the insertion part latching hole 60a formed in the insertion part 60 of the exterior box 5, when the packaging container 1 is lifted, as shown in FIG. The bottom tray 2 is moved downward due to the weight of the stopper, and the locking tongues 12a ′ and 16a ′ are locked in the insertion portion locking holes 60a. Thereby, the insertion part 60 does not come out of the insertion openings 12a and 16a due to vibration or inclination when carrying the packaging container 1, and the product 70 can be reliably prevented from dropping together with the bottom tray 2. Excellent reliability.

Next, the unpacking method of the packaging container in Embodiment 1 is demonstrated in detail.
15 and 16 are main part enlarged perspective views showing the unpacking method of the packaging container in the first embodiment.
In FIGS. 15 and 16, 59a is a cut portion for dividing both sides of the operation bent portion 59 from the bent portion 58, 59b is a fold for bending the operation bent portion 59 outward at the upper end portion, Reference numeral 59c denotes a substantially arc-shaped operation cutout formed at the lower end side central portion of the operation bent portion 59 in order to bend the operation bent portion 59 outward.
When unpacking the packaging container 1, first, as shown in FIG. 13, the bottom surface of the packaging container 1 is grounded to the grounding surface X, the exterior box 5 is pushed down, and the locking tongues 12 a ′, 16a 'is reliably extracted from the locking hole 60a.
Next, a finger is hooked on the operation notch 59c, and as shown in FIG. 15, the operation bend 59 is brought forward.
Subsequently, the operation bent portion 59 is picked by hand, and as shown in FIG. 16, the operation bent portion 59 is pulled forward and the insertion portion 60 is pulled out from the insertion openings 12a and 16a.
When the operation bent portion 59 is damaged or when the insertion portion 60 cannot be pulled out even when the operation bent portion 59 is pulled, the inclined operation portions formed on both sides of the bent portion 58 are used. It is also possible to insert a finger from the chamfered portion 58a ′, directly pull the bent portion 58 forward, and pull out the insertion portion 60 from the insertion openings 12a and 16a.
By pulling out all the insertion parts 60 from the insertion openings 12a and 16a and lifting the outer box 5 upward, the bottom tray 2 and the outer box 5 can be divided, and the product 70 can be taken out. .

  The shape, number, size, and arrangement of the operation bending portion 59 are not limited to the present embodiment, and can be selected as appropriate. For example, two can be arranged side by side in the longitudinal direction of the bent portion 58, or can be arranged on both sides of the bent portion 58 on the cut portion 58 a side. In the present embodiment, the operation notch 59c is formed at the lower end of the operation bend 59, but the operation notch 59c is formed on both sides of the operation bend 59 on the cut 59a side. Alternatively, instead of the operation cutout portion 59c, an operation hole portion may be formed in the central portion of the operation bending portion 59 or the like.

Since the packaging container of Embodiment 1 is comprised as mentioned above, it has the following effects.
(1) Since the outer box has a bottom opening in which the bottom tray is inserted, the outer box can be easily attached to and detached from the bottom tray while the product is placed on the bottom tray. Excellent assembly workability.
(2) By having a bottom tray on which the product is placed and an outer box that protects the outer periphery and top of the product, the product can be placed on the bottom tray with the outer box removed at the time of packing or unpacking. Since the product can be taken out from the bottom tray, it is not necessary to lift the product to the upper end of the outer box, and it is excellent in packing and unpacking workability and labor saving.
(3) The bottom tray has a slit-like insertion opening formed in parallel with the bottom plate at the lower end of each of the first to fourth side walls provided upright on the outer periphery of the bottom plate, However, since it has an insertion part that is inserted through each insertion opening of the bottom tray so as to be freely inserted and removed, it is possible to easily assemble and divide the bottom tray and the outer box simply by inserting and removing the insertion part, It is excellent in workability of packing and unpacking, and it is not necessary to use a binding member such as a PP band, and it is excellent in resource saving.
(4) Since the exterior box has first to fourth flap portions connected to each upper end portion of the first to fourth side portions via a fold line, the first to fourth flap portions are folded at the fold line. The lid can be easily formed, and the assembly workability of the outer box is excellent.
(5) A bent portion in which the outer box is separated from the first to fourth side portions by two cut portions formed on the lower end side of each of the first to fourth side portions and can be bent outward. Since the insertion part is connected to the lower end part of each folding part via a fold, the insertion part can be easily inserted into each bottom tray by changing the angle of the folding part. It can be inserted into and removed from the opening, and is excellent in dividing and assembling work between the bottom tray and the outer box.
(6) An operation bend portion that can be bent outward is formed in the bend portion of the outer box, and the operation notch portion is formed in the operation bend portion, so that the operation notch portion is formed. Fold the operation fold part outward by hooking your finger on it, and then pull the operation fold part with your finger and pull it forward to insert the insertion part connected to the fold part. It can be pulled out from the opening and is excellent in the efficiency of pulling out the plug.
(7) The bottom base pad formed with a notch-shaped insertion recess into which the insertion portion of the outer box inserted from the insertion opening is fitted at the position of each insertion opening of the bottom tray By placing it on the top surface of the bottom plate part of the tray, when the insertion part is inserted through the insertion opening, the insertion part does not interfere with the bottom base pad, and the bottom tray is firmly attached to the insertion part. In addition to being able to hold, the bottom plate portion of the bottom tray can be reinforced, and the durability and robustness of the bottom tray are excellent.
(8) The bottom tray has a fitting hole formed at the lower end of the first and third side wall portions facing each other, and the bottom base pad is a projection that is fitted into each fitting hole of the bottom tray. Therefore, the bottom base pad can be positioned and fixed with respect to the bottom tray by fitting the protrusion into the fitting hole, and the insertion portion of the outer box can be attached to the bottom tray during assembly work of the bottom tray. When inserting from the insertion opening, the bottom base pad does not move left and right or back and forth, and the assembly workability is excellent.
(9) Folding the side wall plate perpendicularly to the bottom plate at the crease and simply fitting the protrusions of the bottom base pad placed on the top surface of the bottom plate into the fitting holes of the side wall plate, Three side wall portions can be formed, and the assembling work is easy and the mass productivity is excellent.
(10) Fold the side wall reinforcing plate to the bottom plate side perpendicular to the side wall plate at the crease and fold the outer plate, upper side plate, and inner plate into a substantially U shape with the folds, and sandwich the side wall reinforcing plate between the outer plate and the inner plate The second and fourth side wall portions of the bottom tray can be formed simply by fitting the fitting convex portion to the fitting concave portion formed at the end of the bottom base pad, making assembly work easy and mass-productive. Excellent.
(11) Since the projection of the bottom base pad is fitted into the fitting hole of the side wall plate and the bottom base pad is positioned and fixed, the outer side plate, the side wall upper plate, and the inner side plate are folded into a substantially U-shape, When the fitting convex part formed on the end part of the plate is fitted into the fitting concave part formed on the end part of the bottom base pad, the reaction force of the outer plate, the upper side plate, and the inner plate opens. The bottom base pad does not move, the fitting projection can be securely held and fixed by the fitting depression, and the assembly workability and shape stability are excellent.
(12) The second and second side walls are sandwiched between the outer side plate and the inner side plate which form the second and fourth side wall portions by sandwiching the side wall reinforcing plates provided on the left and right sides of the side wall plates to be the first and third side wall portions. The four side wall portions can be reinforced with the side wall reinforcing plate, and the adjacent side wall portions can be firmly connected and fixed, and the shape stability and durability are excellent.
(13) Since the fitting convex portion formed at the end portion of the inner plate can be fitted into the fitting concave portion formed at the end portion of the bottom base pad, the second and fourth side wall portions can be formed. The bottom plate, which is the bottom plate of the bottom tray, does not need to be formed with a fitting hole, etc., and it is excellent in workability and can prevent the strength of the bottom plate from being lowered. And excellent reliability in product protection.
(14) By having a bottom pad that is placed on the top surface of the bottom base pad of the bottom tray and positions and fixes the product, when the outer box is covered from above the product during packing, the outer box and the product can be smoothly prevented from interfering with each other. Assembling work can be performed without damaging the product, and the assembling workability is excellent.
(15) The product can be positioned and fixed by the bottom pad, and the fixing stability of the product during transportation is excellent.
(16) By having a cushioning material disposed on the upper surface of the product, the product can be prevented from tilting or vibrating during transportation, and when the packaging containers packed with the product are stacked, the exterior The box can be prevented from being crushed and deformed, and has excellent shape stability and transportability.
(17) Since the cushioning material is formed in a cross-beam shape, it is lightweight, excellent in mass productivity and handleability, and can secure compressive strength in the vertical direction, and contains a heavy product. Even when stacked, the outer box can be reliably prevented from being crushed and deformed, and is excellent in space saving during storage and transportation.
(18) Since the cushioning material is formed in a cross beam shape, the space surrounded by the cross beam can be used as a storage space for product accessories and the like, and the storage property is excellent.
(19) A locking tongue formed to protrude downward from the upper edge of the insertion opening of the bottom tray, and an insertion formed at the end of the insertion portion of the outer box on the bent portion side By having the part locking hole, it is possible to securely fix the insertion part by locking the tongue for locking to the insertion part locking hole in a state where the insertion part is inserted into the insertion opening. It is possible to reliably prevent the product from dropping together with the bottom tray without the insertion part coming out of the insertion opening due to vibration or inclination when carrying the packaging container, and it is excellent in reliability.

  The present invention does not require consumables such as a PP band for bundling at the time of packing, is superior in resource saving, and is divided into a bottom tray on which the product is placed, and an outer box that protects the outer periphery and top of the product By providing packaging containers that can be assembled easily, have excellent packing and unpacking workability, are easy to take out and repack, and are easy to handle and save labor, Bundled workability and reliability during transportation can be improved.

The exploded perspective view of the packaging container in Embodiment 1 FIG. 4 is an exploded perspective view of a cardboard forming a bottom tray of a packaging container in the first embodiment. Top view of bottom base pad placed on bottom plate portion of bottom tray of packaging container in embodiment 1 The perspective view which shows the assembly process of the bottom tray of the packaging container in Embodiment 1. FIG. The perspective view which shows the assembly process of the bottom tray of the packaging container in Embodiment 1. FIG. The completed perspective view of the bottom tray of the packaging container in Embodiment 1 The perspective view before the assembly of the outer packaging box of the packaging container in Embodiment 1 The perspective view which shows the bottom pad mounting process of the packing method using the packaging container in Embodiment 1. FIG. The perspective view which shows the product mounting process of the packaging method using the packaging container in Embodiment 1. FIG. The perspective view which shows the shock absorbing material mounting process of the packing method using the packaging container in Embodiment 1. FIG. The perspective view which shows the exterior box mounting | wearing process of the packaging method using the packaging container in Embodiment 1. FIG. Complete perspective view of packaging container according to Embodiment 1 The principal part enlarged side view which shows the grounding state of the packaging container in Embodiment 1 The principal part enlarged side view which shows the state which lifted the packaging container in Embodiment 1 The principal part expansion perspective view which shows the unpacking method of the packaging container in Embodiment 1 The principal part expansion perspective view which shows the unpacking method of the packaging container in Embodiment 1

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Packaging container 2 Bottom tray 2a Bottom board part 2b 1st side wall part 2c 2nd side wall part 2d 3rd side wall part 2e 4th side wall part 3 Bottom pad 4 Buffer material 5 Exterior box 5a Handle hole 5b Cover part 10 Corrugated cardboard 11 Bottom board 11a , 11b, 12c, 16b, 17b, 51a, 52a, 53a, 54a, 58b, 58c, 59b Fold 12 Side wall plates 12a, 16a Insertion openings 12a ', 16a' Locking tongue 12b Fitting hole 13 Side wall reinforcement Plate 16 Outer plate 17 Side wall upper plate 17a Thickening hole 18 Inner plate 18b Fitting protrusion 20 Bottom base pads 20a, 20b, 20c, 20d Ends 21a, 21b, 21c, 21d Insertion recess 22 Projection 23 Fitting recess 30 Substrate 31, 32 Positioning plate 31a, 32a Positioning notch 40 Bottom plate 41a, 41b, 41c, 41d Side plate 42 Space 51 First side 52 Second Side part 53 Third side part 54 Fourth side part 55 Handle hole forming part 55a Notch part 56a First flap part 56b Second flap part 56c Third flap part 56d Fourth flap part 57 Handle hole reinforcing part 57a Locking hole 57a 'Locking projection 58 Folded part 58a, 59a Cut part 58a' Operation chamfered part 59 Operation bent part 59c Operation cutout part 60 Insertion part 60a Insertion part locking hole 70 Product 70a Upper surface X Grounding surface

Claims (9)

(A) a bottom plate portion formed in a rectangular shape; first to fourth side wall portions erected on an outer periphery of the bottom plate portion; and the bottom plate portion at a lower end portion of each of the first to fourth side wall portions. A slit-like insertion opening formed in parallel, and a bottom tray on which products are placed;
(B) a bottom opening in which the bottom tray is inserted, first to fourth side portions surrounding the outer periphery of the first to fourth side wall portions of the bottom tray, and the first to fourth side portions. First to fourth flap portions connected to each upper end portion via a fold, two cut portions formed on the lower ends of each of the first to fourth side portions, and the two cut portions The first to fourth side portions are bent and formed to be outwardly foldable, and the lower ends of the bent portions are connected to each other through folds, and the bottom trays An insertion portion that is inserted through the insertion opening so as to be freely inserted and removed, and an outer box that protects the outer periphery and the upper portion of the product,
A packaging container characterized by comprising The packaging container according to claim 1, further comprising an operation hole or an operation notch formed in the bent portion of the outer box. A bent portion for operation that can be bent outward is formed in the bent portion of the outer box, and the operation hole portion or the operation cutout portion is formed in the operation bent portion. The packaging container according to claim 2. The insertion portion of the outer box that is placed on the upper surface of the bottom plate portion of the bottom tray and is inserted from the insertion opening portion into the position of the insertion opening portion of each of the bottom trays is fitted. The packaging container according to any one of claims 1 to 3, further comprising a bottom base pad in which a cut-out insertion recess is formed. The bottom tray has fitting holes formed at lower ends of the first and third side wall portions facing each other, and the bottom base pad is fitted into the fitting holes of each of the bottom trays. The packaging container according to claim 4, further comprising a protrusion. A rectangular bottom plate serving as the bottom plate portion of the bottom tray on which the bottom base pad is placed, and a rectangular side wall plate connected to the upper and lower ends of the bottom plate via folds, respectively. Side wall reinforcing plates connected to left and right end portions of the side wall plates through folds, rectangular outer plates connected to left and right end portions of the bottom plate through folds, and the outside A rectangular side wall upper plate connected to the plate via a fold, a rectangular inner plate connected to the side wall upper plate via a fold, and the bottom plate side of the side wall plate and the outer plate The insertion opening formed at the end of the side plate, the fitting hole formed at the end of the side wall plate on the bottom plate side, and the fitting convex formed at the end of the inner plate The side wall plate is bent perpendicularly to the bottom plate at the fold and placed on the top surface of the bottom plate. The protrusions of the bottom base pad are fitted into the fitting holes of the side wall plate to form the first and third side wall portions of the bottom tray, and the side wall reinforcing plate is connected to the side wall plate at the fold. Folding the outer side plate, the side wall upper plate, and the inner side plate into a substantially U-shape at the folds, and sandwiching the side wall reinforcing plate between the outer side plate and the inner side plate, and fitting 6. The second and fourth side walls of the bottom tray are formed by fitting a convex part into a fitting concave part formed at an end of the bottom base pad. Packaging container. The packaging container according to any one of claims 1 to 6, further comprising a bottom pad that is placed on an upper surface of the bottom plate portion or the bottom base pad of the bottom tray and positions and fixes the product. . The packaging container according to any one of claims 1 to 7, further comprising a cushioning material formed in a cross-beam shape and disposed on an upper surface of the product or a notch or a recess of the product. A locking tongue formed to project downward from the upper edge of the insertion opening of the bottom tray, and an end of the insertion portion of the outer box on the bent portion side. The packaging container according to any one of claims 1 to 6, further comprising an insertion portion locking hole for locking the locking tongue piece.

Images