JPH05170247A - Foldable container - Google Patents

Abstract

PURPOSE:To load and support a large number of containers assuredly with the fixed side surface members in the longitudinal direction as supporting points by a method wherein respective height relationships between respective side surface members which are erected on respective edges in the longitudinal and lateral directions on the bottom place are specified, and the fixed side surface member in the longitudinal direction is located on the top when respective side surface members are folded. CONSTITUTION:For a container 1, respective pairs of fixed side surface members in the lateral direction and longitudinal direction 4, 5, which are respectively confronted, are erected on respective edges of a bottom plate 2, and are formed into a box shape. Also, on the top of respective fixed side surface members 4, 5, respective foldable side surface members in the lateral direction and longitudinal direction 14, 16; 15, 17 are provided. In the meantime, the height of the fixed side surface member in the lateral direction 4 is made higher than the top of the foldable side surface members in the lateral direction 14, 16, which are folded. In addition, the foldable side surface members in the longitudinal direction 15, 17, which are folded, are supported by the fixed side surface member in the lateral direction 4, and at the same time, the height of the fixed side surface member in the longitudinal direction 5 is made higher than the top of the foldable side surface members in the longitudinal direction 15, 17, which are folded. Then, a large number of are stacked with the fixed side surface members in the longitudinal direction 5, 7, which are projected upward, as supporting points.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a foldable container,
More particularly, it relates to a collapsible container that can be folded and stacked.

[0002]

2. Description of the Related Art A conventional foldable container is disclosed in Japanese Utility Model Laid-Open No. 56-32034, in which a bottom plate and side plates vertically provided on four sides of the bottom plate are provided. And a pair of side plates facing each other can be folded at different height positions,
The second pair of opposing members are configured to be able to be folded at a height position different from that of the first pair of members.

[0003]

In the conventional foldable container described above, the folding of the first pair of side plates has a disadvantage that the one having the lower folding position must always be folded first. Further, when the folded foldable containers are stacked, the folded side plates are loaded with the weight of the foldable containers stacked above, and there is a problem that the side plates are deformed or the shaft support portion is damaged.

The present invention has been made in view of such a problem of the conventional foldable container, and there is no limitation on the folding order of the folding side plates facing each other, and the upper foldable container can be folded even when stacked. An object of the present invention is to provide a collapsible container in which a large number of collapsible containers can be stacked without the weight of the container being loaded on the side plate of the collapsible container below and without fear of damage or collapse of the collapsible container.

[0005]

SUMMARY OF THE INVENTION To achieve the above object, the present invention relates to a rectangular bottom plate, a lateral direction fixed side surface member fixed to the bottom plate upright and facing each other, and the lateral direction. A lateral direction folding side surface member which is arranged above the fixed side surface member and is axially supported, a longitudinal direction fixed side surface member which is upright on the bottom plate and fixed to face each other, and arranged above the longitudinal direction side surface member. And a longitudinally folded side surface member axially supported, and the height of the lateral direction fixed side surface member is higher than the uppermost part of the lateral direction folded side surface member, and the folded longitudinal direction side surface member is A foldable container, which is supported by the lateral direction fixed side surface member, and is configured such that a height of the longitudinal direction fixed side surface member is higher than an uppermost portion of the folded longitudinal direction side surface member. ..

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A foldable container according to an embodiment of the present invention will be described below with reference to the drawings. As shown in FIG. 1, the collapsible container 1 includes side plates 4, 5, on each side of a rectangular bottom plate 2.
The (6, 7) are vertically formed to form a box shape. The side plate is
It is composed of a pair of opposed lateral fixed side members 4, 6 and another pair of opposed longitudinal fixed side members 5, 7.
Although the side plate is formed by attaching a panel to a metal frame, the side plate may be attached to the frame as it is or in place of the panel, according to the purpose of use.

Above the short side fixed side members 4 and 6 and the long side fixed side members 5 and 7, short side folded side members 14 and 16 and long side folded side members 15 and 1, respectively.
7 are arranged. The lateral fixed side members 4, 6 are
As shown in FIG. 2, the transverse direction folding side surface members 14 and 16 are pivotally supported at the intermediate height portions by insertable and removable pins 21 and 22 at the cut portions. Further, the height of the lateral direction fixed side surface members 4, 6 is higher than the maximum position of the lateral direction fixed side surface members 14, 16 when the lateral direction folding side surface members 14, 16 are folded inward. It has been decided.

As shown in FIG. 3, the longitudinal fixed side members 5, 7 are insertable / removable pins 25, 26 inserted into vertical elongated holes 23, 24 provided at intermediate height portions thereof, respectively.
The longitudinally folded side surface members 15, 17 are axially supported by. Further, the longitudinal direction folding side surface members 15, 17 are folded inward and placed on the lateral direction fixing side surface members 4, 6, and the heights of the longitudinal direction fixing side surface members 5, 7 are the same as those of the longitudinal direction folding side members. It is determined to be higher than the highest position of the side surface members 15, 17.

The fixed longitudinal side members 5, 7 have a top portion formed in a horizontal plane, and the longitudinal folded side members 15, 7.
The longitudinally fixed side members 5, 7 hold the longitudinal folding side members 15, 17 vertically, when 17 is pulled up and made vertical and placed on the top. As shown in FIG. 4, the longitudinal folding side members 15, 17 are provided with opening / closing bodies 35, 37 that open to the outside in order to facilitate the loading and unloading of the contents into and from the foldable container 1. Positioning projections 30 are provided on the upper surfaces of the lateral direction folding side surface members 14 and 16 to prevent the upper and lower stacked foldable containers 1 from being displaced from each other in the horizontal direction, and the lower surface of the bottom plate 2 is provided. A positioning recess (not shown) into which the positioning protrusion 30 is inserted is provided in the.

Further, the lateral direction folding side surface members 14, 16
Also, a known locking mechanism (not shown) for fixing the adjoining end portions to the end portions of the longitudinal folding side surface members 15 and 17 orthogonal to the folding rotation axis, that is, the end portions which are vertical when assembled. No) is provided. Next, folding of the foldable container having the above configuration will be described. First, as shown in FIG. 5, one lateral direction folding side member 1
Fold 4 inward. At this time, the tip portion of the lateral direction folding side surface member 14 contacts the bottom plate 2. Next, as shown in FIG. 6, the other lateral direction folding side surface member 16 is folded inside. At this time, the tip portion of the lateral direction folding side surface member 16 comes into contact with the upper surface of the lateral direction folding side surface member 14 previously folded. Either of the lateral direction folding side surface members 14 and 16 may be folded first.

Next, as shown in FIG. 7, the longitudinal folding side surface member 15 is folded inward. At this time, the longitudinal direction folding side surface member 15 is placed on the lateral direction fixed side surface members 4 and 6. Next, as shown in FIG. 8, the other longitudinal direction folding side surface member 17 is folded inside. At this time, the longitudinal direction folding side surface member 17 has the longitudinal direction folding side surface member 15 previously folded.
Placed on the upper surface of. Longitudinal folding side members 15, 17
The pins 25 and 26 attached to the vertical slots 23 and 24
Either of the longitudinal folding side members 15, 17 may be folded first because it is vertically movable inside.

In this folded state, the longitudinal fixed side members 5, 7 project upward from the longitudinal folded side members 15, 17. Therefore, when the folded collapsible containers are stacked, the bottom plate 2 directly rides on the longitudinal fixed side members 5, 7, and even when a plurality of heavy collapsible containers are stacked, the lateral short side members are stacked. There is no possibility that the side wall members 14, 16 and the longitudinal direction side surface members 15, 17 will be deformed or damaged.

[0013]

According to the present invention, in the collapsible container in the folded state, since the longitudinal fixing side member projects upward from the longitudinal folding side member, the bottom plate is directly above the longitudinal fixing side member. Therefore, even if a plurality of heavy foldable containers are stacked, there is an advantage that the lateral direction folding side surface member and the longitudinal direction folding side surface member are not likely to be deformed or damaged.

[Brief description of drawings]

FIG. 1 is a perspective view of a foldable container according to an embodiment of the present invention.

FIG. 2 is an explanatory view for explaining folding of the lateral direction folding side surface member of the folding container according to the embodiment of the present invention.

FIG. 3 is an explanatory view for explaining folding of a longitudinally fixed side member of the foldable container according to the embodiment of the present invention.

FIG. 4 is a perspective view showing the foldable container according to the embodiment of the present invention with the opening / closing body open.

FIG. 5 is a perspective view showing a state in which one of the lateral direction fixed side surface members of the folding container according to the embodiment of the present invention is folded.

FIG. 6 is a perspective view showing a state in which both of the lateral direction fixed side surface members of the folding container according to the embodiment of the present invention are folded.

FIG. 7 is a perspective view showing a state in which one of the longitudinal fixed side members is folded in the folding container according to the embodiment of the present invention.

FIG. 8 is a perspective view showing a folded state of the folding container according to the embodiment of the present invention.

[Explanation of symbols]

 1 Foldable Container 2 Bottom Plate 4, 6 Short Side Fixed Side Member 5, 7 Long Side Fixed Side Member 14, 16 Short Side Fold Side Member 15, 17 Long Side Fold Side Member 21, 22 Pin 23, 24 Vertical Long Hole 25, 26 Pins 35, 37 Opening / closing body 30 Positioning protrusion

Claims (4)

[Claims] 1. A rectangular bottom plate, a lateral direction fixed side surface member which is upright on the bottom plate and fixed to face each other, and a lateral direction axially supported and disposed above the lateral direction fixed side surface member. A folding side member, a longitudinal fixed side member that is upright on the bottom plate and fixed to face each other, and a longitudinal folded side member that is arranged above the longitudinal fixed side member and is axially supported, The height of the lateral direction fixed side surface member is higher than the uppermost portion of the lateral direction folded side surface member, and the longitudinal direction folded side surface member folded is supported by the lateral direction fixed side surface member, and the longitudinal direction fixed side surface. A collapsible container characterized in that the height of the member is higher than the uppermost part of the folded longitudinal direction side member. 2. The collapsible container according to claim 1, wherein the fixed longitudinal side member supports the longitudinal folded side member by means of a shaft member fitted in a vertical slot provided therein. 3. The first enclosure according to claim 1, wherein the rotatably supporting portion of the foldable container is constituted by a removable pin member.
The collapsible container according to item. 4. The foldable container according to claim 1, wherein the length of the lateral fixed side member is substantially equal to the length of the lateral fixed side member.