JPH10101066A - Assembly container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an assembly container which is compactly folded to the size of a bottom wall in disassembling, and convenient in storage or carriage. SOLUTION: Side walls 2a-2d which are collapsibly and pivotably attached to each side of a bottom wall 1 are provided. The respective side walls 2a-2d are erected and the adjacent side walls are engaged with each other to form a container. A pair of side walls 2a, 2b opposite to each other among the side walls 2a-2d which are connected to each side of the bottom wall 1 are pivotably attached to the bottom wall 1 so as to be foldable in contact with an upper surface of the bottom wall 1. A pair of the other side walls 2c, 2d opposite to each other are pivotably attached to the bottom wall 1 so as to be foldable in contact with upper surfaces of a pair of side walls 2a, 2b folded in contact with the upper surface of the bottom wall 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container having side walls fixed to each side of a bottom wall by a hinge so as to be capable of being turned upside down by a hinge. The present invention relates to a prefabricated plastic container.

[0002]

2. Description of the Related Art Conventionally, a container which is used for storing and transporting articles, and has a structure in which a side wall is freely deployable with respect to a bottom wall and which is assembled by erecting the side wall when used, is known. And Japanese Unexamined Utility Model Publication No. 6-42657 are known. And this kind of assembling type container has a structure in which a side wall is provided on each side of a bottom wall via a hinge so that the side wall can be turned upside down, and adjacent side walls are engaged with each other to assemble the container.

[0003]

SUMMARY OF THE INVENTION
In a prefabricated container as described in JP-A-42657, if the container is disassembled, even if each side wall is developed centering on the bottom wall constituting the container and becomes flat, they are greatly expanded. In fact, it is bulky and not only inconvenient for storage, storage or transportation, but also causes various problems.

[0004] In this type of a conventional assembly type container, it is considered that each side wall may be folded with respect to the bottom wall. However, since the side wall is connected to the bottom wall by a hinge, each side wall is folded. Even if it is folded, it can be folded only to the outside, so even if only one pair of side walls can be folded to the bottom wall side, the other pair of side walls cannot be folded to the bottom wall side and remains in the expanded state You don't get it.

Accordingly, an object of the present invention is to provide a side wall which is connected to each side of the bottom wall so that the side wall can be turned up and down, ie, a pair of opposing side walls and another pair of opposing side walls along the upper surface side of the bottom wall. An object of the present invention is to provide an assemblable container that can be folded and is compactly integrated with a bottom wall when dismantled, and is convenient for storing, storing, or transporting.

[0006]

According to a first aspect of the present invention, there is provided an assembling container having a side wall which is connected to each side of a bottom wall so as to be pivotable so that it can be turned upside down. What is claimed is: 1. An assembling container comprising an upright standing side wall and a side wall engaged with each other to form a container, wherein a pair of side walls connected to each side of the bottom wall are folded in contact with an upper surface of the bottom wall. The other pair of side walls that are fixed to the bottom wall as possible and the other pair of opposite side walls are folded so as to be in contact with the upper surface of the pair of side walls that are folded in contact with the upper surface of the bottom wall. The position of the shaft connected to the pair of side walls and the bottom wall is higher than the height of the position of the shaft connected to the pair of side walls and the bottom wall facing each other, and the shaft is fixed to the bottom wall. Is what you do.

[0007] In the above-mentioned construction, the assembled container according to the present invention is characterized in that the bottom wall and the side wall have a hollow double-wall structure.

[0008]

1 is an overall perspective view of an assembled container according to an embodiment of the present invention, FIG. 2 is an overall perspective view showing a folded state, and FIG. 3 is a state in which a side wall is raised. FIG. 4 is a partial cross-sectional view showing a state where the side wall is erected corresponding to FIG. 3, and FIG. 5 is a state where a pair of opposing side walls is folded corresponding to FIG. FIG. 6 is a partial sectional view showing a state in which a pair of opposing side walls and another pair of opposing side walls are folded together, corresponding to FIG.

The assembled container shown in the figure has a bottom wall 1 and four side walls which are connected to the four sides of the bottom wall by pivoting structures so that the bottom wall 1 can be turned up and down, ie, a pair of opposing side walls 2a and 2b.
A pair of opposing side walls 2c and 2d are formed, and the side walls 2a to 2d that are adjacent to each other and stand up are engaged and fixed by an engaging structure (not shown) to form a box-shaped container. It is. The engagement structure not shown is
For example, one is composed of a latch and the other is composed of a latch receiver.

In this assembly type container, the bottom wall 1 and the four side walls 2a to 2d have a hollow double wall structure formed by blow molding a thermoplastic resin (eg, high density polyethylene, polypropylene, engineering plastic). is there.

In the assembly type container, a pair of opposed side walls 2a to 2d of the side walls 2a to 2d connected to each side of the bottom wall 1 are provided.
a and 2b are fixed to the bottom wall so as to be foldable in contact with the top surface of the bottom wall 1, and the other pair of opposite side walls 2c and 2d are folded in contact with the top surface of the bottom wall 1. It is fixed to the bottom wall 1 so that it can be folded in contact with the upper surfaces of the pair of side walls 2a and 2b.

That is, as shown in FIG. 3, at both ends of the right side edge of the bottom wall 1, shaft stoppers 3 and 3 are formed so as to rise from the upper surface of the bottom wall 1. Notches 4 and 4 are formed at both ends of the lower edge of the side wall 2a corresponding to the side walls 2a and 3 respectively.
And the stop shaft 5 protruding from the cutouts 4 and 4 is stopped by the holes 12 formed in the stop portions 3 so that the stop shaft 5 is folded in contact with the upper surface of the bottom wall 1 as described above. It is possible. The cutouts 4, 4 of the side wall 2 a have a right-angled portion 6 on the outside and an arcuate portion 7 on the inside, and the side wall 2 a is held upright at right angles to the bottom wall 1 by the right-angled portion 6. However, by having the arcuate portion 7, the inside can be folded. The stop shaft 5 and the hole 13 may be provided on either the side wall 2a side or the shaft stop portion 3 side. The other side wall 2b has the same configuration as the side wall 2a and is also fixed to the bottom wall 1 by a similar shaft fixing structure, and therefore, the description thereof is omitted.

On the other hand, at both ends of the front edge of the bottom wall 1, shaft stoppers 8, 8 are formed so as to rise from the upper surface of the bottom wall 1, and the shaft stoppers 8, 8 are formed on the side wall 1. The front edge is formed higher at both ends of the rising portion 9 which is formed higher than the shaft stoppers 3 and 3 by the thickness of the side walls 2a and 2b, and corresponds to the shaft stoppers 8 and 8. Notches 10 and 10 are formed at both ends of the lower edge of the side wall 2c. The side walls 2c have holes formed in the shaft stoppers 8 and 8 with stop shafts 11 and 11 protruding from the notches 10 and 10, respectively. 13 and the stop shaft 11
As a result, the upper surface of the side walls 2a and 2b folded in contact with the upper surface of the bottom wall 1 can be folded. Although not shown in the figure, the cutouts 10 and 10 of the side wall 2c also form a right-angled portion on the outside and an arc-shaped portion on the inside, and the side wall 2c is formed by the right-angled portion on the bottom wall 1 (rising portion). 9) It is held upright at a right angle to, but can be folded inward by having an arc-shaped portion. The stop shaft 11 may be provided on either the side wall 2c side or the shaft stop 8 side. The other side wall 2d has the same configuration as the side wall 2c, and is fixed to the bottom wall 1 by the same fixing structure.

In order to assemble the assembly type container according to the present invention, first, a pair of side walls 2a and 2b are erected vertically with respect to the bottom wall 1, and the other pair of side walls 2c and 2d are also erected vertically. Then, adjacent portions of the side walls 2a to 2d are connected and held by an engagement structure to form a box-shaped container.

To disassemble the container, first, the side wall 2a
2d is disengaged from the engaging structure connecting the adjacent portions. And a pair of side walls 2a,
2b is folded so as to contact the upper surface of the bottom wall 1, and then
A pair of side walls 2 folded so as to be in contact with the upper surface of the bottom wall 1
a, 2b so as to be in contact with the upper surfaces of the other pair of side walls 2c, 2b.
d, and fold all the side walls 2a to 2a to the size of the bottom wall 1.
d can be collected compactly. Therefore,
The assembled container according to the present invention is convenient for storing, storing, or transporting, and does not hinder them.

In the illustrated embodiment, since the bottom wall 1 and the side walls 2a to 2d have a hollow double-wall structure, the assembled container has excellent strength and rigidity, is lightweight, and has a high cushioning property. Things. Then, when the container is dismantled, the side walls 2a to 2d can be folded to the size of the bottom wall 1, so that the container can be compactly formed despite the hollow double-wall structure.

The prefabricated container according to the above embodiment is
Because it is formed by blow molding and has a hollow double-wall structure,
It is possible to obtain a container having a high cushioning property and having a plate-like side wall. Also, unlike the conventional one, it is not integrally formed with a hinge, so that the bottom wall 1, the side walls 2a, 2b, 2
c, 2d, the side walls 2a, 2b and the side walls 2c, 2d
Have the same shape, and the side walls 2a and 2b and the side walls 2
The molding of c and 2d may be performed by one mold, and there is a great advantage in manufacturing. In other words, in the case of the conventional one, the blow molding must be performed using an extremely large mold.
Since it consists of two parts, and each is a separate body,
It can be molded with a very small mold.

The present invention is not limited to the illustrated embodiment, but can be various other embodiments. That is,
In the illustrated embodiment, both the bottom wall 1 and the side wall 2 have a hollow double wall structure, but the object of the invention can be achieved even if they have a single wall structure.

[0019]

According to the present invention, both the side wall hinged to each side of the bottom wall, that is, the pair of opposing side walls and the other pair of opposing side walls are folded along the upper surface side of the bottom wall. Thus, when disassembled, it is possible to obtain an assembly type container which is compactly integrated with the size of the bottom wall and is convenient for storage, storage or transportation.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of an assembled container according to an embodiment of the present invention.

FIG. 2 is an overall perspective view showing the assembled container shown in FIG. 1 in a folded state.

FIG. 3 is a partially exploded perspective view showing a state where a side wall is raised.

FIG. 4 is a partial cross-sectional view showing a state where a side wall is erected corresponding to FIG. 3;

FIG. 5 is a partial cross-sectional view showing a state in which a pair of side walls facing each other are folded corresponding to FIG.

6 is a partial cross-sectional view showing a state in which a pair of opposing side walls and another opposing pair of side walls are folded together corresponding to FIG. 5;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bottom wall 2a, 2b Opposing pair of side walls 2c, 2d Opposing other pair of side walls 3,3 Shaft stop 4,4 Notch 5 Stop shaft 6 Right angle part 7 Arc-shaped part 8,8 Shaft stop 9 Stand-up part 10,10 Notch part 11 Stop shaft 12 hole 13 hole

Claims (2)

[Claims] 1. A prefabricated container having side walls connected to each side of a bottom wall by being pivoted so as to be capable of being turned up and down, each side wall being erected and adjacent side walls being engaged with each other. A pair of opposed side walls of the side walls connected to each side of the bottom wall are fixed to the bottom wall so that the side walls can be folded in contact with the top surface of the bottom wall, and another pair of opposed side walls are provided. In order to be able to fold and contact the upper surface of the pair of side walls that are folded in contact with the upper surface of the bottom wall, the position of the shaft connected to the other pair of the opposite side wall and the bottom wall is paired. An assembling container characterized in that it is higher than the height of a shaft connected between the side wall and the bottom wall and is fixed to the bottom wall. 2. The prefabricated container according to claim 1, wherein the bottom wall and the side wall have a hollow double-wall structure.