JPH07309330A - Packing box - Google Patents

Abstract

PURPOSE:To have an excellent cushioning function similar to a packing cushioning material using conventional expanded polystyrene or the like as a material, reduce adverse influence to environments in disposal after use and improve the efficiency for packing. CONSTITUTION:An inner bottom plate 15 is connected to a lower end of both side walls 2a, 2b of a parallelopipe 1, and each standing plate 4 is connected to a tip of each inner bottom plate 15 at a distance. A slit from a base to the tip is provided at the center of each bottom plate 15, and an insertion hole 18 connected to the slit is provided at the center of each standing plate 4. An outer bottom plate is connected to a lower end of both side walls 3a, 3b of the parallelopipe 1, and a cushioning plate 5 is connected to a tip of each outer bottom plate. Both ends of each cushioning plate 5 are inserted into the insertion hole 18 through the slit. When each cushioning plate 5 is opened until it is in contact with a periphery of the insertion hole 18, a space for holding a product is formed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging box used to store products that are sensitive to vibration and shock.

[0002]

2. Description of the Related Art Conventionally, when carrying a product that is sensitive to vibrations and shocks, a cushioning material for packaging made of Styrofoam or the like having appropriate elasticity is fitted into a corner or end of the product. In this state, a packaging form in which it is stored in the outer box is adopted.

However, since the cushioning material for packaging made of Styrofoam or the like becomes a cause of pollution at the time of disposal after use, its use is being shunned with the recent serious environmental problems. is there.

Further, since the packaging cushioning material and the outer box are formed separately, it is not preferable in terms of efficiency of packaging work.

[0005]

Therefore, the present invention is
A packaging box that has the same excellent cushioning function as the conventional cushioning material made of Styrofoam, etc., and has little adverse effect on the environment at the time of disposal after use, and can improve the efficiency of packaging work. The challenge is to provide.

[0006]

In order to solve the above-mentioned problems, the present invention has an inner bottom plate connected to the lower ends of the opposite side walls of a rectangular cylinder, and the inner bottom plates are spaced apart from each other at their tips. The standing plates standing upright are provided in series, each slit is provided at the center of each inner bottom plate and extends from the base end to the tip, and the insertion hole provided at the center of each standing plate is continuously formed. At the lower ends of the opposite end walls of the rectangular tubular body, the outer bottom plates circumscribing each of the inner bottom plates and facing each other are continuously provided, and the buffer plates are continuously provided at the tip of each outer bottom plate through a folding curve, Both ends of each buffer plate are inserted into the insertion holes through the slits, and each buffer plate is brought into contact with the peripheral edge of the insertion hole to form a product holding space between the buffer plates. Of.

[0007]

In the packaging box constructed as described above, the cushioning plates inserted in the box are respectively applied to the peripheral edges of the insertion holes provided in the central portions of both standing plates standing on both sides of the box. When opened until they come into contact with each other, a product holding space is formed between both buffer plates.

When a product is stored in the product holding space, the load of the product causes the buffer plates to come into contact with the periphery of the insertion hole more strongly as they try to spread further outward. As a result, both of the standing plates are pushed down by the respective cushion plates, and the contact state between the inner bottom plate and the outer bottom plate becomes stronger.

Further, since a space is created between both the upright plates and both side walls and between both cushion plates and both end walls, external impacts are not directly transmitted to the product.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the packaging box according to the present invention will be described below with reference to FIGS.

The packaging box shown in FIG. 1 has a pair of side walls 2a, 2a.
b and a pair of end walls 3a and 3b, which has a rectangular tubular body 1, the bottom is closed, and the standing plate 4 and the buffer plate 5 are provided inside.
And have.

Top plate members 6a and 6b are connected to the upper ends of both side walls 2a and 2b, and lid flaps 7a and 7b are connected to the upper ends of both end walls 3a and 3b.

The packaging box is assembled from the blank shown in FIG. End wall 3a, side wall 2b, end wall 3b, side wall 2a
However, the adhesive margin pieces 13 are continuously provided through the folding curves 12 on the side edges of the end wall 3a.

At the lower ends of the side walls 2a, 2b, a folding curve 14 is formed.
The inner bottom plates 15 are continuously connected via the upright plates 4, and the standing plates 4 are continuously connected to the tips of the inner bottom plates 15 via folding lines 16.

A slit 17 extending from the base end to the tip is provided at the center of each inner bottom plate 15, and a fan-shaped insertion hole 18 continuous with the slit 17 is provided at the center of each standing plate 4. .

A standing plate 4 connected to the lower end of the side wall 2a.
Notch portions 19a, 19b, and
21 are formed respectively. This is because when the glue margin piece 13 is fixed to the side edge of the side wall 2a, as will be described later,
Since each folding curve 14 is bent in advance and each inner bottom plate 15 and each standing plate 4 are superposed on the side walls 2a, 2b,
This is provided to prevent the upright plates 4 from being fixed together.

On the other hand, at the lower ends of both side walls 3a, 3b, an outer bottom plate 23 which circumscribes the inner bottom plate 15 via a folding curve 22.
The shock absorbing plate 5 is continuously connected to the tip of each outer bottom plate 23 via a folding curve 24. Locking slits 25 are provided at both ends of each buffer plate 5.

This blank is assembled as follows. First, the folding curve 14 is bent, and each inner bottom plate 15 and each standing plate 4 are overlapped with the side walls 2a and 2b, respectively. Next, the folding curves 8 and 11 are bent and the glue margin piece 13 is attached to the side wall. It sticks to one side of 2a. In this way, this blank has a form as shown in FIG. Since this packaging is shipped in this form, the bulk of one packaging box can be reduced, a large number of packaging boxes can be transported at one time, and it is also convenient in terms of storage. is there.

Next, the folding curves 9 and 12 are bent to form the rectangular tube body 1, and the folding curve 16 is bent. Inside the rectangular tube body 1, the standing plates 4 are attached to the tips of the inner bottom plates 15.
Stand up at intervals.

Each buffer plate 5 is attached to the slit 1 from the tip side.
7 and is inserted into the insertion hole 18, and the locking slit 25
To the upper end of the upright plate 4. This way,
The upright state of each upright plate 4 is maintained, the outer bottom plate 23 contacts the outer side of the inner bottom plate 15, and the packaging box shown in FIG. 1 is assembled.

In this state, the buffer plates 5 are inserted into the insertion holes 18
When it is opened until it abuts against the peripheral edge of the product, a product holding space is formed between the buffer plates 5 (see FIG. 4).

When a product is stored in this product holding space, the load of the product is applied, so that each buffer plate 5 tries to spread further outward and comes into contact with the peripheral edge of the insertion hole 18 more strongly. As a result, both of the standing plates 4 are pushed down by the respective buffer plates 5, and the contact state between the inner bottom plate 15 and the outer bottom plate 23 becomes stronger.

At this time, as shown in FIG.
Since there is a space between the end walls 3a and 3b,
Even if an external impact is applied to each of the end walls 3a and 3b, the impact is not directly transmitted to the product.

Further, as shown in FIG. 5, a space is also created between the upright plates 4 and the side walls 2a and 2b. Therefore, even if an external impact is applied to each of the side walls 2a and 2b, the impact is applied. Not directly transmitted to the product.

Further, in the first embodiment, since the insertion holes 18 provided in both the upright plates 4 have a fan shape, each buffer plate 5 has a V shape as shown in FIG. The product is opened and stored without contacting the outer bottom plate 23. Therefore, even if an impact is applied from the bottom during transportation, the impact is not directly transmitted to the product.

When the top plate members 6a and 6b are formed as shown in FIG. 1 and housed in the rectangular tube body 1 to hold the product, and the lid flaps 7a and 7b close the top surface, the product is lifted. Can be prevented.

In this embodiment, the standing state of the standing plate 4 is maintained by locking the locking slit 25 provided on the buffer plate 5 at the upper end of the standing plate 4.
As a method of maintaining the upright state of the upright plate 4, there is a method in a packaging box shown in FIG.

That is, in the packaging box of the second embodiment, the leading end of the upright plate 4 is bent, and the locking tongue piece 26 projecting from the leading end is fitted to the side walls 2a and 2b. By inserting into the hole 27, the standing state of the standing plate 4 is maintained. At this time, as shown in FIG. 6, if the step portions 28 are formed at both ends of the tip end portion of each buffer plate 5, the standing plate 4 does not fall inward until the product is stored.

Next, a third embodiment of the packaging box according to the present invention will be described with reference to FIGS. 7 and 8. In addition,
The components having the same configurations and operations as those of the first and second embodiments are designated by the same reference numerals and the description thereof will be omitted.

As shown in FIG. 7, inner bottom plates 15 are connected to the lower ends of both side walls 2a, 2b via folding curves 14, and the inner bottom plates 15 are erected at the tips thereof via folding curves 16. Board 4
Are lined up.

A slit 17 extending from the base end to the tip is provided at the center of each inner bottom plate 15, and a rectangular insertion hole 31 continuous with the slit 17 is provided at the center of each standing plate 4. .

On the other hand, at the lower ends of the both end walls 3a, 3b, an outer bottom plate 23 circumscribing the inner bottom plate 15 via a folding curve 22.
Are lined up.

At the tip of each outer bottom plate 23, the buffer plate 5 is continuously provided via a fold line 32, and the fold line 33 parallel to the fold line 32 is provided on the buffer plate 5.

This blank is assembled as follows. First, the folding curve 14 is bent, and each inner bottom plate 15 and each standing plate 4 are overlapped with the side walls 2a and 2b, respectively. Next, the folding curves 8 and 11 are bent and the glue margin piece 13 is attached to the side wall. It sticks to one side of 2a.

The fold curves 9 and 12 are bent to form a rectangular cylinder 1, the fold curve 16 is bent to erect the standing plates 4 at the tips of the inner bottom plates 15 at intervals, and the cushioning plates 5 to each other.
From the tip side through the slit 17 to the insertion hole 31
And the locking slit 25 is locked to the upper end of the upright plate 4.

Next, the fold line 33 provided on each buffer plate 5 is bent and the outer bottom plate 23 is brought into contact with the outer side of the inner bottom plate 15 to assemble the packaging box.

In this state, the buffer plates 5 are inserted into the insertion holes 31.
When it is opened until it comes into contact with the peripheral edge of the product, a product holding space is formed between both buffer plates 5 (see FIG. 8).

At this time, as shown in FIG.
The base portion 5a is held substantially parallel to the inner bottom plate 15 and the outer bottom plate 23, and the product holding space is larger than in the first and second embodiments.

[0039]

EFFECT OF THE INVENTION In the packaging box configured as described above, since a space is created between both side walls and both upright plates, and both end walls and both cushioning plates, the impact applied from the outside of the packaging box is It can be prevented from being directly transmitted to the product, and an excellent cushioning function can be exhibited.

Further, it is possible to manufacture a packaging box containing a cushioning material for packaging by using a paperboard such as a corrugated board. Therefore, it is not necessary to use a conventional packaging cushioning material formed of foamed polystyrene or the like as a separate body, and it is possible not only to reduce the adverse effect on the environment at the time of disposal processing after use, but also for packaging work. It is also possible to improve efficiency.

[Brief description of drawings]

FIG. 1 is a perspective view of a first embodiment.

[Fig. 2] Development view of the above

FIG. 3 is a plan view of the same folded state.

FIG. 4 is a vertical sectional side view in the same use condition as above.

FIG. 5 is a vertical sectional side view in the same use condition as above.

FIG. 6 is a vertical sectional side view of the second embodiment in use.

FIG. 7 is a partially omitted development view of the third embodiment.

FIG. 8 is a vertical cross-sectional side view in the same use condition as above.

[Explanation of Codes] 1 Square tubular body 2a, 2b Side wall 3a, 3b End wall 4 Standing plate 5 Buffer plate 5a Buffer plate base 6a, 6b Top plate member 7a, 7b Lid flap 8, 9, 11, 12, 14, 16, 22, 24, 32
Folding curve 13 Paste margin piece 15 Inner bottom plate 17 Slits 18, 31 Insertion holes 19a, 19b, 21 Notch 23 Outer bottom plate 25 Locking slit 26 Locking tongue 27 Locking hole 28 Step 33 Fold line

Claims (1)

[Claims] 1. An inner bottom plate is continuously provided at lower ends of opposite side walls of a rectangular tubular body, and standing plates standing upright at intervals at respective tips of the inner bottom plates are continuously provided at a central portion of each inner bottom plate. Slits provided from the base end to the tip and an insertion hole provided in the central portion of each standing plate are continuously formed, and at the lower ends of the end walls of the rectangular tubular body facing each other, the inner bottom plate is provided. Outer bottom plates circumscribing and abutting each other are continuously provided, and buffer plates are continuously provided at the tip of each outer bottom plate through a bending curve, and both ends of each buffer plate are inserted into the insertion holes through the slits. Then, a packaging box in which each cushion plate is brought into contact with the peripheral edge of the insertion hole to form a product holding space between the cushion plates.