JP2500333Y2 - Folding container - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foldable container that is used for transportation and transportation of articles and is foldable.

[0002]

2. Description of the Related Art Generally, a foldable container that can be assembled into a box during transportation and transportation of articles and can be folded during storage is an upper peripheral frame, a bottom plate, and a foldable container. A long side plate composed of an upper long side plate and a lower long side plate rotatably connected to the upper peripheral frame and the bottom plate, and a long side plate rotatably connected to the upper peripheral frame and to the bottom plate and the long side plate. It is known to have a tilt plate adapted to abut and support the long side plate.

Conventionally, as a connection of the bent portion of the upper long side plate and the lower long side plate, a couple of or more connecting points are connected to each other on the lower side of the upper long side plate and the upper side of the lower long side plate. It was provided, and each of these connecting points was connected by separate wire rods (for example,
See Japanese Utility Model Publication No. 57-27707).

[0004]

However, when the respective connecting points are connected by separate wire rods as in the above-mentioned conventional case, the number of parts is increased, and the connecting process is often performed, which is troublesome for assembling. Cause

Therefore, it is conceivable that the number of connecting points is as few as possible, but in this case, many non-connecting portions, that is, gaps are formed between the lower side of the upper long side plate and the upper side of the lower long side plate. As a result, there arises inconveniences such that this gap becomes large due to the load applied from the inner surface side of the long side plate to the outer side, and the connection portion is destroyed by long-term use.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a folding container which is excellent in durability and can be manufactured easily and easily.

[0007]

A folding container according to the present invention for solving the above-mentioned problems includes an upper peripheral frame, a bottom plate, and
A long side plate, which is foldable and is rotatably connected to the upper peripheral frame and the bottom plate, and includes an upper long side plate and a lower long side plate, and is rotatably connected to the upper peripheral frame. Along with this, the bottom plate and the long side plate are abutted to each other to support the long side plate, and the long side plate is extended, and the bottom plate and the long side plate are brought into contact with each other to assemble the bottom plate. And a folding container adapted to be folded by bending the long side plate in a state in which the contact between the long side plate and the tilting plate is released, and the folding container extends over the entire length of the lower side of the upper long side plate and the upper side of the lower long side plate. , The plurality of shaft insertion portions and the meshing portions are formed intermittently with their positions displaced from each other, and when the lower side of the upper long side plate and the upper side of the lower long side plate are joined, the respective shaft insertion portions are combined to form the long side plate. All in the longitudinal direction And the shaft insertion portion is connected by a single wire having a length that extends over the entire length of the long side plate in the longitudinal direction, and the shaft insertion portion is extended with the long side plate extended. The inner surface side of the is engaged with the engaging portion.

[0008]

According to the folding container of the present invention, the plurality of shaft insertion parts and the meshing parts are intermittently formed by shifting the positions thereof over the entire length of the lower side of the upper long side plate and the upper side of the lower long side plate. By joining the lower side of the long side plate and the upper side of the lower long side plate, the shaft insertion parts are combined to continuously communicate with each other over the length of the long side plate in the longitudinal direction. Since it is inserted and connected by a single wire having a length over the entire length in the direction, there is no non-connecting portion between the upper long side plate and the lower long side plate.

Further, since the inner surface side of the shaft insertion portion is engaged with the engagement portion with the long side plate extended, the inner surface side of the connection portion of the long side plate is almost completely closed by the engagement portion. .

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIGS. 1 to 3 show the outline of the overall structure of a folding container (hereinafter simply referred to as a container) 1 in each state, and FIGS. 4 to 6 show a long side plate 2 of the container 1.

That is, the container 1 is provided with an upper peripheral frame 3, a bottom plate 4, a long side plate 2 and a tilt plate 5, and has an upper long side plate 21 and a lower long side plate 22 which constitute the long side plate 2. A state in which the shaft insertion portion 23 and the meshing portion 24 are displaced from each other and are formed intermittently, the shaft insertion portion 23 that is in communication is inserted and connected by one wire 6, and the long side plate 2 is extended. The inner surface side of the shaft insertion portion 23 is engaged with the engagement portion 24.

In the long side plate 2, the lower side of the upper long side plate 21 and the upper side of the lower long side plate 22 are rotatably connected.

That is, on the lower side of the upper long side plate 21, the shaft insertion portions 23 and the meshing portions 24 are alternately formed at equal intervals. The shaft insertion portion 23 is projected along the outer surface side of the upper long side plate 21, and the meshing portion 24 is projected along the inner surface side of the upper long side plate 21.

On the other hand, on the upper side of the lower long side plate 22, shaft insertion portions 23 and meshing portions 24 are alternately formed at equal intervals.
However, the engagement portion 24 is formed at a position corresponding to the shaft insertion portion 23 of the upper long side plate 21, and the shaft insertion portion 23 is formed at a position corresponding to the engagement portion 24 of the upper long side plate 21. And
The meshing part 24 of the upper long side plate 21 and the meshing part 24 of the lower long side plate 22
The shaft insertion portions 23 communicate with each other along the entire longitudinal direction of the long side plate 2 in a state where they are meshed with each other.
Then, one wire 6 is inserted so as to pass through the shaft insertion portion 23, and the removal prevention screws 61 provided on the shaft insertion portions 23 at both ends prevent the wire rod 6 from coming off.

The wire 6 is made of metal such as stainless steel or iron.

The upper peripheral frame 3 is formed in a rectangular shape, and a long frame wall 31 and a short frame wall 32 that are slightly suspended are formed on the entire periphery of the upper peripheral frame 3.

The bottom plate 4 has a bottom portion 40 having substantially the same outer peripheral size and shape as the upper circumferential wall 3, and a long-side rising wall 41 and a short-side rising wall 42 standing from the peripheral edge of the bottom portion 40.
It is formed by and.

The bottom plate 4 and the upper peripheral frame 3 are provided so as to face each other.

The upper side of the upper long side plate 21 is rotatably attached to the inside of the long frame wall 31 of the upper peripheral frame 3, and the bottom plate 4 is attached.
The lower side of the lower long side plate 22 is rotatably attached to the inside of the long side rising wall 41. As a result, the long side plate 2 can be bent such that the outer surface of the upper long side plate 21 and the outer surface of the lower long side plate 22 face each other. Further, in this bent state, the long side plate 2 is placed in a space formed by the long frame wall 31 and the short frame wall 32 of the upper peripheral frame 3 and the long side rising wall 41 and the short side rising wall 42 of the bottom plate 4. It will be stored. Further, from this bent state, the upper long side plate 21 and the lower long side plate 22 are extended so as to be in the same plane,
The outer surface of the upper long side plate 21 contacts the inside of the long frame wall 31 of the upper peripheral frame 3, and the outer surface of the lower long side plate 22 contacts the inside of the long side rising wall 41 of the bottom plate 4. ing.

The swing plate 5 is rotatably attached to the inside of the short frame wall 32 of the upper peripheral frame 3. This tilt plate 5
It is adapted to be housed in the long frame wall 31 and the short frame wall 32 of the upper peripheral frame 3 by rotating in the horizontal direction. Further, by rotating in the vertical direction, the outer surfaces thereof come into contact with the inner sides of the short frame wall 32 of the upper peripheral frame 3 and the short side rising walls 42 of the bottom plate 4, and the lower sides thereof come into contact with the bottom portion 40 of the bottom plate 4, and The sides are adapted to support the inner surface of the long side plate 2.

Next, a method of assembling the container 1 will be described.

First, when the folded state shown in FIG. 3 is changed to the assembled state shown in FIG. 1, the space between the upper peripheral frame 3 and the bottom plate 4 is widened as shown in FIG.

The upper long side plate 21 and the lower long side plate 22 housed between the upper peripheral frame 3 and the bottom plate 4 are extended, and the tilt plate 5 is also rotated in the vertical direction.

Thereafter, the outer surface of the swing plate 5 is brought into contact with the insides of the short frame wall 32 of the upper peripheral frame 3 and the short side rising wall 42 of the bottom plate 4, and the lower side is brought into contact with the bottom portion 40 of the bottom plate 4 to assemble. To complete. In this state, the inner surface of the long side plate 2 is supported by both sides of the swing plate 5.

Contrary to the above, by folding the swing plate 5 and the long side plate 2, the assembled state can be returned to the folded state.

According to this container 1, as shown in FIG. 6, when a load is applied outward from the inner surface of the long side plate 2 in the assembled state, the upper long side plate 21 and the lower long side plate 22 mesh with each other. The parts 24 mesh with each other more firmly, and the gap between the upper long side plate 21 and the lower long side plate 22 does not become large and is not broken. Further, on the outer surface side of the meshing portion 24, since the shaft insertion portion 23 is connected by the single wire 6 over the entire length in the longitudinal direction of the long side plate 2, the durability can be further improved. it can.

[0028]

As described above, according to the present invention, there is no non-connecting portion between the upper long side plate and the lower long side plate, and a single wire is foldably connected over the entire length. Further, since the inner surface side of the connecting portion is completely closed by the meshing portion, the folding container is excellent in the strength of the connecting portion and has durability. That is, when a load is applied outward from the inner surface side of the long side plate due to the articles stored in the container, the meshing portion meshes more firmly, and the connecting portion between the upper long side plate and the lower long side plate is a single piece. Since they are integrally connected by the wire rod, this connecting portion does not break.

Further, since they are connected by one wire, the number of parts and the number of processing steps are small, and the manufacturing can be performed easily and easily.

[Brief description of drawings]

FIG. 1 is a perspective view showing an outline of an entire configuration of a folding container in a completed assembly state.

FIG. 2 is a perspective view showing the outline of the overall configuration of the folding container at an intermediate stage.

FIG. 3 is a perspective view showing an outline of an overall configuration of a folding container in a folding completed state.

FIG. 4 is a plan view showing the outline of the overall configuration of a long side plate.

FIG. 5 is an exploded perspective view schematically showing the overall configuration of a long side plate.

6 is a cross-sectional view taken along the line AA and the line BB in FIG.

[Explanation of symbols]

 1 Folding Container 2 Long Side Plate 21 Upper Long Side Plate 22 Lower Long Side Plate 23 Shaft Insertion Portion 24 Engagement Portion 3 Upper Perimeter Frame 4 Bottom Plate 5 Flapping Plate 6 Wire Rod

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-3-176357 (JP, A) Actually open 62-110132 (JP, U) Actually open 61-105629 (JP, U)

Claims (1)

(57) [Scope of utility model registration request] 1. An upper peripheral frame, a bottom plate, a long side plate made of an upper long side plate and a lower long side plate that are foldable and rotatably connected to the upper peripheral frame and the bottom plate, and It is rotatably connected to the upper peripheral frame and is provided with a bottom plate and a tilt plate adapted to abut the long side plate to support the long side plate. And a long side plate, which is assembled by bringing the bottom plate and the long side plate into contact with the tilting plate and releasing the contact between the long side plate and the folding plate. Over the entire length of the lower side of the lower long side plate and the upper side of the lower long side plate, a plurality of shaft insertion parts and meshing parts are intermittently formed with their positions displaced from each other, and the lower side of the upper long side plate and the upper side of the lower long side plate are joined. And each other's shaft insertion part The long side plates are meshed with each other and are continuously communicated with each other over the entire length in the longitudinal direction of the long side plate, and the shaft insertion portion is inserted and connected by a single wire rod having the length over the entire length of the long side plate in the longitudinal direction, and A foldable container characterized in that the inner surface side of the shaft insertion portion is engaged with the engagement portion with the long side plate extended.