JP4493155B2 - Packing structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a packing structure in which boxes such as cardboard boxes for packing electronic devices such as copying machines and printers, medium-sized and large-sized general machines and devices (hereinafter collectively referred to as devices) are stacked on a pallet. About.
[0002]
[Prior art]
When shipping the above equipment from a factory or warehouse, the equipment packed in a cardboard box is transported to a vehicle etc. using a forklift or the like on a pallet made of cardboard or wood. Work is being done. At that time, in order to increase work efficiency and save transportation costs, a large number of cardboard boxes are transported in a stacked state on one pallet.
[0003]
However, as shown in FIG. 1, if the cardboard boxes 1 are simply stacked on the pallet 2, the cardboard boxes 1 are displaced during the transportation and the load collapses. A stretch film 3 is wound around the box 1 to prevent the cardboard box 1 from collapsing.
[0004]
However, the stretch film 3 requires equipment for automatic winding. In the case of manual winding, the tightening force varies and lacks reliability. Further, once the stretch film 3 is removed, it is difficult to reuse it, and it is discarded as garbage, which is problematic in terms of the environment.
[0005]
Therefore, in the packaging structure disclosed in Japanese Patent Application Laid-Open No. 10-194268, a flap having a locking hole is provided on the bottom plate of the cardboard box in a foldable manner, and a locking hole is also provided on the side surface of the cardboard box, The flaps of the stacked upper cardboard boxes are hung down and attached to the side of the lower cardboard boxes, and joint screws are inserted into the matching locking holes of the upper and lower cardboard boxes to connect the cardboard boxes together. .
[0006]
[Problems to be solved by the invention]
However, according to this, a flap having a locking hole must be foldable on the bottom plate of the cardboard box, which disadvantageously increases the manufacturing cost of the cardboard box.
[0007]
Therefore, a first object of the present invention is to provide a packaging structure that can easily prevent a cardboard box from collapsing using a simple joint member without increasing the manufacturing cost of a box such as a cardboard box. is there.
[0008]
The second object is to enable such a packing structure to be used in two ways with the same joint member.
[0009]
The third object is to enable repeated use of the joint member.
[0010]
The fourth object is to enable the joint member to be easily removed from the box.
[0011]
The fifth object is to facilitate the operation when removing the joint member from the box.
[0012]
The sixth object is to avoid having to worry about the direction of the boxes when the boxes are stacked.
[0013]
[Means for Solving the Problems]
In order to achieve the first and second objects, the invention according to claim 1 is provided with a locking elongated hole on the side surface of the box, a hook portion integrally provided on the top, bottom, left and right, and a folding along the vertical center line. A plate-like joint member on which a folding line is formed , and the joint member is attached to a side surface and a corner portion of the box body, and upper, lower, left and right hook portions are connected to the stacked upper, lower, left , and right box bodies. Each of the box bodies can be connected by a joint member by being inserted into the long hole.
[0015]
The invention of claim 2 is characterized in that, in order to achieve the third object, the joint member is integrally formed of resin.
[0016]
In order to achieve the fourth object, the invention of claim 3 is characterized in that a cut for partially raising is formed on the extension of the locking elongated hole of the box.
[0017]
In order to achieve the fifth object, the invention of claim 4 is characterized in that a notch for finger hooking is formed on one side of the locking elongated hole of the box.
[0018]
In order to achieve the sixth object, the invention according to claim 5 is characterized in that the locking elongated holes are provided on all side surfaces of the box.
[0019]
DETAILED DESCRIPTION OF THE INVENTION
Next, embodiments of the present invention will be described in detail with reference to the drawings.
[0020]
In the packing structure according to the present invention, in order to connect the cardboard boxes to each other, as shown in FIG. The joint member 4 is integrally formed of resin, and has upper, lower, left, and right hook portions 4b that are bent at right angles to the same direction on the upper, lower, left, and right sides of the back portion 4a.
[0021]
A lack portion 4c is formed below the corner between the back portion 4a and each hook portion 4b, and each hook portion 4b has a “shape” due to the lack portion 4c. Further, a folding line 6 is formed by a V-shaped groove 5 along the longitudinal center line on the back part 4a, and the folding part 6 folds the back part 4a at the longitudinal center as shown in FIG. Can be done.
[0022]
On the other hand, as shown in FIG. 4, the cardboard box 1 is formed with four upper, lower, left, and right engagement elongated holes 7 in the vicinity of the upper, lower, left, and right corners on each side surface. Each of the locking long holes 7 has a vertically long rectangle as shown in FIG. And about each latching long hole 7, it extends from the upper and lower two sides to one side, and forms the U-shaped notch 8, so that the part enclosed by this notch 8 can be cut up. . In addition, in order to facilitate the raising and lowering, a finger notch 9 is formed on one long side of each locking elongated hole 7.
[0023]
Therefore, as shown in FIG. 4, in order to connect the corrugated cardboard boxes 1 collected and stacked on the pallet 2 by the joint member 4, as shown in FIGS. After inserting the hook portion 4b into the locking elongated hole 7, the joint member 4 is pushed down. As a result, the hook portion 4 b is “shaped, and is hooked on the lower side of the locking elongated hole 7 to be locked.
[0024]
In this case, on the side surface of the stacked cardboard boxes 1, the back portion 4a of the joint member 4 is used in the unfolded state as shown in FIG. 3A, and the left and right hook portions 4b on the upper side are shown in FIG. As shown in FIG. 5, the upper left and right hook portions 4b are inserted into the engaging slots 7 of the left and right corrugated boxes 1 in the lower stage. Plug in.
[0025]
Further, in the corner portion of the stacked cardboard boxes 1, the back portion 4a of the joint member 4 is used in a folded state as shown in FIG. 3B, and the left and right hook portions 4b on the upper side thereof are shown in FIG. As shown in FIG. 3, the upper left hook portion 4b is inserted into the locking elongated hole 7 of the same corrugated cardboard box 1 in the lower stage.
[0026]
Thus, the corrugated cardboard boxes 1 connected to the upper and lower sides and the right and left sides with the joint member 4 are integrated with each other and do not collapse.
[0027]
When the joint member 4 is removed from the cardboard box 1, in FIG. 5, when the finger is placed on the notch 9 for pulling and pulled to the front, the portion surrounded by the notch 8 is raised and the locking slot 7 is expanded. Therefore, the hook portion 4b can be easily pulled out from the locking long hole 7.
[0028]
The joint member 4 may be made of hard cardboard other than resin.
[0029]
【The invention's effect】
According to the first aspect of the present invention, since the joint members are plate-like and the hooks provided integrally therewith are inserted into the locking long holes of the box, the stacked boxes can be connected to each other. The cardboard box can be easily prevented from collapsing by using a simple joint member without increasing the manufacturing cost of a box such as a box.
[0030]
According to the invention of claim 1, also the hook member provided on the upper, lower, left and right of the joint member, since the possible bending along the joint member to the longitudinal center line, in the developed state of the back of the joint member, The first usage pattern for connecting the left and right box bodies of the upper stage and the left and right box bodies of the lower stage, and the back part of the joint member in a bent state, the upper box body and the lower Two usages of the second usage form of connecting the box bodies of the two steps can be performed. Therefore, since the same joint member can be used for both the side surface and the corner, the parts can be easily managed and the parts cost can be reduced.
[0031]
According to the invention which concerns on Claim 2 , since the joint member was integrally molded with resin, a joint member can be used repeatedly and it can provide as a product in consideration of the environment.
[0032]
According to the invention according to claim 3 , since the cut for partially raising is formed on the extension of the latching long hole of the box, the latching long hole is expanded by cutting up, so the joint The member can be easily removed from the box.
[0033]
According to the invention which concerns on Claim 4 , since the notch for a finger hook was formed in the one side of the latching long hole of a box, it is easy to cut and raise and the operativity at the time of removing a joint member from a box improves. .
[0034]
According to the invention which concerns on Claim 5 , since the latching long hole was provided in all the side surfaces of the box, it does not need to care about the directionality when stacking a box.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a loading state in which cardboard boxes are simply stacked on a pallet.
FIG. 2 is a perspective view showing a conventional example in which a stretch film is wound around a cardboard box to prevent the collapse of the load.
FIGS. 3A and 3B are perspective views of a joint member used in the present invention, in which FIG. 3A shows a state in which the back portion is developed, and FIG. 3B shows a state in which the back portion is bent.
FIG. 4 is a perspective view showing a state in which cardboard boxes according to the present invention are stacked on a pallet.
FIG. 5 is a perspective view showing one locking slot and a notch of the cardboard box.
FIGS. 6A and 6B are perspective views showing a process from the time when the hook portion of the joint member is inserted into the locking elongated hole of the cardboard box to be locked, in which FIG. 6A shows a state before insertion, FIG. ) Is locked.
FIG. 7 is a perspective view showing a loading state according to the present invention in which cardboard boxes are stacked on a pallet and connected by a joint member.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Corrugated cardboard box 2 Pallet 4 Joint member 4a Back part 4b Hook part 4c Lack part 5 V-shaped narrow groove 6 Bending line 7 Locking long hole 8 Notch 9 Notch for finger hook

Claims (5)

In a packing structure that stacks boxes,
While providing a locking slot on the side of the box,
It includes a plate-like joint member formed with a hook portion integrally provided on the top, bottom, left, and right, and a fold line that can be bent along the longitudinal center line .
Along with the joint member on the side and corner portions of the box body, the upper, lower, left and right hook parts, by inserting each of the engaging slot of the stacked upper and lower left and right of the box can be connected to the box bodies with a joint member A packing structure characterized by having done so. The packaging structure according to claim 1, wherein the joint member is integrally formed of resin. The packing structure according to claim 1 or 2 , wherein a cut for partially raising is formed on an extension of the locking elongated hole of the box. The packing structure according to claim 3 , wherein a notch for finger hanging is formed on one side of the locking elongated hole of the box. The packing structure according to claim 1, 2, 3, or 4 , characterized in that locking long holes are provided on all side surfaces of the box.

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