JPH1143144A - Foldable liquid container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate attachment/removal by fixing and opening a container body or a top lid by removing/inserting a U-shaped pin. SOLUTION: A container is assembled by sequentially overlaying a bottom pallet B, side panels and a frame C and inserting U-shaped pins 5 into holes 3, respectively. The hole 3 may reach from an external side of a side wall face of a bottom pallet B to the side panel A or may further pass through to reach an internal face of the bottom pallet. At the time of folding them, respective L-shaped side panels A-1, A-4, etc., are overlaid in combination and received in the bottom pallet B, they are covered by a top lid D, and then the U-shaped pins 5 are inserted for fixing, so that folding is possible without a belt-like band as a conventional one needed, thereby allowing the container to be easily transported.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foldable liquid container which is compact by being folded when not in use, takes up little space for transportation and storage, and is easy and easy to assemble when used.

[0002]

2. Description of the Related Art A conventional foldable container is formed by assembling a metal frame and plywood, or a bottom member, a side member, a frame and a canopy made of materials such as cardboard. For example, in the case of a plywood with a steel frame, use a steel frame as a metal frame, stand the steel frame at the four corners of the bottom member of the plywood, fit the side member made of plywood into the groove of the steel frame, cover the canopy, From the outside, the whole is fastened with a band-shaped band, or a canopy, an upper side and a buckle is used for fastening. However, such an assembling method is complicated and workability is not preferable.

Therefore, a foldable container made of plastic has been proposed which improves the above-mentioned drawbacks. This foldable container is composed of a bottom pallet, four flat panels forming side surfaces, a frame member and a lid member for assembling and holding the panels with each other. Before use, four sheets are stored in the bottom pallet. The flat panel is stored, the frame is placed on it, and the lid is covered with the frame.Furthermore, the band is fastened with a band-shaped band or buckle, and the container is transported and stored in this state. , When using
A flat panel is joined to the rising part of the bottom pallet to make the sides of the container. Each joint is fixed with a buckle, and a frame is fitted on top of it, and the protrusion provided inside the canopy is attached to the inside of the frame. To cover and assemble the container, fixing each member with a buckle, or fixing the entire assembled container with a band-like band. In such an assembled container, one buckle is required to fix the side panels adjacent to each other or one side panel and the bottom pallet, so a minimum of eight buckles must be attached.
This fastener has many protrusions due to its structure, and often breaks when hitting another. Further, when tightening with a band, a special member is required to tighten in a tensioned state, and the operation is complicated.

Further, in a container in which the above-mentioned components including the bottom pallet, the side panels, the frame and the canopy are assembled, each joint is formed into an uneven shape without using a buckle, and assembled by fitting each other. (Refer to Japanese Patent Application No. 8-9418), in order to fix it more securely, fix the sides of the container together with the frame with a fastening jig called a fastener such as a polypropylene band, cloth, or metal wire. A method to do this was considered. However, in each case, the assembly is complicated, and after the assembly, the entire container body and the canopy are tightened from the outside with a band-like band, so that the workability is not preferable.

[0005]

The present inventor has made various studies to improve such a point, and as a result, by using a U-shaped pin, the band-shaped band conventionally used was omitted. The container body and the canopy can also be integrated, and the U-shaped pin is also used for the container body, so that, in particular, the adjacent side panels and bottom pallet or side panel and frame body It has been found that the three points are easily and reliably assembled by using a U-shaped pin and the workability is improved, and the present invention has been completed. The present invention is simple to assemble, firmly assembled, and damaged. An object of the present invention is to provide a foldable container for liquid which is difficult to perform.

[0006]

The gist of the present invention is that a main body of a foldable liquid container and a lid member are fixed by a U-shaped pin. The gist of the invention of claim 2 is a container,
2. A foldable liquid container according to claim 1, wherein the body of the foldable liquid container is formed by a component member comprising a bottom pallet member, four L-shaped side panel members, a frame and a canopy. A foldable container according to claim 1 or 2, wherein the liquid container is a liquid container, and the gist of the invention according to claim 3 is that the joining surfaces of the constituent members are uneven and fitted to each other. It is a container for liquid. The gist of the invention of claim 4 is that the main body of the foldable liquid container is assembled by inserting a U-shaped pin into a hole provided in a constituent member thereof. 4. A foldable liquid container according to any one of items 1 to 3.

The gist of the invention of claim 5 is that the U-shaped pin is narrowed toward the tip.
The foldable liquid container according to claim 4, wherein the container is a foldable liquid container.
The gist of the present invention is the foldable liquid container according to any one of claims 1 to 6, wherein the position of the opening of the hole is higher on the outer side than on the inside of the constituent member. Further, the gist of the invention of claim 7 is that three points of the adjacent two side panels and the bottom pallet or the two adjacent side panels and the frame are joined by inserting a U-shaped pin. The foldable liquid container according to claim 1, wherein: That is, in the present invention, the use of the U-shaped pin improves the workability since it is not necessary to use a band-shaped band as in the related art, and the use of the U-shaped pin for the container body is particularly effective. Since the two adjacent side panels and the bottom pallet or the two adjacent side panels and the frame can be assembled by using one U-shaped pin, the assembly of the container body is extremely simple. It is.

[0008] Further, the side panel according to the second aspect of the present invention is that the conventional side panel has a flat plate shape, and the side panels are joined to each other at a ridge (corner portion) of the container. Is L-shaped so that the joints between the side panels can be made at the side instead of the corners, and the joints between the side panels and the bottom panel and between the side panels and the frame are each uneven. To form a combination container with fitting, form two holes from the outside of the bottom pallet and the frame toward the two side panel protrusions, and insert U-shaped pins into these two holes This allows the two side panels to be joined and fixed to the bottom pallet and the frame, and the container according to the present invention requires at least four side panels to be joined to the bottom pallet and the side panel and the frame. Are possible assembled by extremely simple operation of inserting the number of U-shaped pins, also, once the members of the joined U-shaped pin so hard off the container can be firmly fixed. Also, by engraving between the two holes drilled from the outside of the bottom pallet or the frame, the head of the U-shaped pin can be stored in the plane of the bottom pallet or the frame, After the container is assembled, the U-shaped pin does not protrude, so that it does not hit other things and be damaged. Further, if necessary, a canopy may be provided on the frame by a similar configuration. When storing and transporting the container according to the present invention, four
A plurality of side panels can be stored, a frame can be placed thereon and covered with a canopy, and a U-shaped pin can be inserted and fixed into holes provided in each component.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail with reference to the drawings. FIG. 1 is an explanatory view for assembling a folding container according to the present invention, and FIG.
(B) is a perspective view showing a folded state. FIG.
(A) is a plan view of a joining portion between the side panel and the bottom pallet portion, (b) is a cross-sectional view of the joining portion, and FIG. 4 is a plan view of a corner portion of the bottom pallet portion. In FIG. 3, the side panel A has an L-shape, and its end face has a convex portion 1. The bottom pallet B has a dish-like shape, and the convex portion 1 of the side panel A is joined to the inside of the side wall surface 6 of the bottom pallet B, and the inner side of the side wall 6 of the bottom pallet B. A hole 3 is drilled toward it. The hole 3 may extend from the outside of the side wall surface 6 of the bottom pallet B to the side panel A, or may penetrate further to reach the inner surface of the bottom pallet. Also, as shown in FIG. 3, a reinforcing member 5 is provided inside the corner of the bottom pallet, and the bottom pallet B
The protrusion 1 of the side panel may be fitted into the gap between the side wall surface 6 and the reinforcing member 5. The tip of the reinforcing member 5 in the horizontal direction may extend beyond the position of the hole, or may not extend to the position of the hole.

As shown in FIG. 1, the bottom pallet B, the side panel A, and the frame C, which are constructed as described above, are sequentially overlapped with each other, and the U-shaped pins 5 are inserted into the respective holes 3. Can be assembled.
The assembled state is shown in FIG. When folding the container of the present invention, each U-shaped pin is removed, and each L-shaped side panel is combined and stored on the bottom pallet,
The folding container can be transported compactly by placing the frame on it and covering it with a canopy. This state is shown in FIG. The material of the bottom pallet and the side panel is preferably plastic. For example, two plastic sheets (thickness: 1 to 10 mm) such as polyethylene and polypropylene are used to form a hollow body, or thermoplastic plastic is mainly used. It is possible to use a raw material in which a foam (thickness: 10 to 150 mm) such as polyurethane is injected into a hollow body formed by an injection molding method, a vacuum molding method, a pressure molding method, a rotational molding method, or the like. preferable.

The joint between the bottom pallet and the side panel or between the side panel may be further sealed with a natural or synthetic rubber if necessary.
The side surface assembled in this manner may be fixed with a frame, and further covered with a canopy on the frame. When these components are folded, each L-shaped side panel is combined and stored on the bottom pallet, and the U-shaped pin is inserted into the hole covered with the canopy and fixed. Folding is possible without the need, and containers can be easily transported.

[0012]

Examples and Comparative Examples Next, the present invention will be described specifically with reference to examples. Example 1 Each member was molded into a hollow body with a material made of high-density polyethylene having a thickness of 3 mm, and the thickness of each member was 45 mm. And the bottom pallet member is one side,
Approximately 20 height around the bottom edge of a 080 mm (outside dimension) square bottom
A 0 mm rising side wall surface was provided. Thickness 2 with a gap of 20 mm from the side wall at the corner of the bottom pallet
A 0 mm reinforcing member was provided. A hole having a diameter of 10 mm was formed at a position approximately 180 mm from the corner. The side pallet has the shape of an L-shaped panel. The size of the long pallet is 860 mm (outside dimension) and the short side is 220 m.
m (external size), 680 mm in height, with a protrusion of about 80 mm provided on the periphery thereof, and a hole having a diameter of 10 mm provided at the position of the hole of the bottom pallet when assembled with the bottom pallet for communication. . The convex portion of the side wall panel portion is fitted into the concave portion of the bottom pallet portion configured as described above, and the U-shaped pin is inserted into the hole to fix the bottom portion and the side wall portion. The size of the frame used was 1,080 mm on a side and 220 mm in height (outside dimension), and the size of the canopy was 1,080 mm and 70 mm in height on one side (outside dimension). The height was 20 mm and the height was 40 mm.

[0013]

As described above, according to the present invention, since the container body and the canopy can be fixed and opened by inserting and removing the U-shaped pin, the container body and the canopy can be easily attached and detached. The container body can also be assembled and disassembled by inserting and removing a U-shaped pin, so that the workability is good, and furthermore, the joints of the constituent members are formed as concave and convex portions, and can be further firmly fixed by fitting them together. In addition, by engraving the position of the inserted pin, the head of the U-shaped pin can be stored in the plane of the container, so that the U-shaped pin does not protrude, but hits against another and is damaged. I will not do it. Also, since the U-shaped pin narrows toward the tip, it is firmly inserted into the hole, and the position of the opening of the hole is higher at the outside of the component than at the inside, It does not come off naturally.
Then, assembling of the container body can be performed at three points of the two adjacent side panels and the bottom pallet or the two adjacent side panels and the frame with one U-shaped pin, so that the workability is also improved. Further, upon folding, the U-shaped pin is pulled out, the side panel is folded and housed in the space defined by the bottom pallet, and the canopy can be placed on top of the space to be compactly folded.

[Brief description of the drawings]

FIG. 1 is an explanatory view for assembling a folding container according to the present invention.

FIGS. 2A and 2B are perspective views of a folding container according to the present invention, wherein FIG. 2A shows an assembled state, and FIG. 2B shows a folded state.

FIGS. 3A and 3B are enlarged views of a joining portion between a side panel and a bottom pallet, in which FIG. 3A is a cross-sectional view and FIG.

FIG. 4 is a perspective view of a bottom pallet.

[Explanation of symbols]

A-1, A-2, A-3, A-4 Side panel member B Bottom pallet member C Frame body D Canopy 1 Convex portion of side panel member 2 Depressed portion of bottom pallet member 3 U-shaped pin insertion hole 4 U -Shaped pin 5 Reinforcing member provided at corner of bottom pallet member 6 Side wall of bottom pallet

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[Procedure amendment]

[Submission date] October 6, 1997

[Procedure amendment 1]

[Document name to be amended] Drawing

[Correction target item name] Figure 3

[Correction method] Change

[Correction contents]

FIG. 3

Claims (7)

[Claims] 1. A foldable liquid container, wherein a body of the foldable liquid container and a lid member are fixed by a U-shaped pin. 2. The foldable liquid container body according to claim 1, wherein the body of the foldable liquid container is formed of a bottom pallet, four L-shaped side panels, a frame and a canopy. Liquid container. 3. The foldable liquid container according to claim 1, wherein each of the joining surfaces of the constituent members has an uneven shape and is fitted to each other. 4. The foldable liquid container according to claim 1, wherein the body of the foldable liquid container is assembled by inserting a U-shaped pin into a hole provided in a constituent member thereof. . 5. The foldable liquid container according to claim 1, wherein the U-shaped pin narrows toward the tip. 6. The foldable liquid container according to claim 1, wherein the position of the opening of the hole is higher on the outside than on the inside of the component. 7. Inserting a U-shaped pin to insert two adjacent side panels and a bottom pallet or adjacent two side panels.
7. The foldable liquid container according to claim 1, wherein three side panels and a frame are joined.