JPH0776343A - Folding container - Google Patents

Abstract

(57) [Summary] [Purpose] A stable assembled state can be obtained, with excellent load resistance and impact resistance, the contents can be taken out in a stacked state, and the contents can be completely stored to prevent dust from entering. It is intended to provide a collapsible container. [Structure] A top plate 2, a bottom plate, a pair of long side plates composed of an upper long side plate 41 and a lower long side plate rotatably connected to the top plate 2 and the bottom plate, and rotated with respect to the top plate 2. The bearing part 7 of the top plate 2 and the upper long side plate which are connected to each other and include a bottom plate and a pair of tilt plates which engage with the long side plate, and which are at least one of the connecting parts between the members. Shaft 6 of 41
Insertion ribs 8 and fitting ribs 9 that are fitted to each other in the assembled state are formed in the vicinity of and, and at least one of the tilt plates rotates outward and is superposed on the upper surface of the top plate 2. The tilt plate is adapted to engage the bottom plate and the long side plate from the outside with the long side plate extended and assembled.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foldable synthetic resin folding container used for transportation and transportation of articles, and is particularly suitable for transportation and transportation of canned beverages. It is related to the container.

[0002]

2. Description of the Related Art Generally, a foldable container that can be assembled in a box shape for transportation and transportation of articles and can be folded during storage is an upper peripheral frame, a bottom plate, and a foldable container. A pair of long side plates including an upper long side plate and a lower long side plate rotatably connected to the upper peripheral frame and the bottom plate, and a bottom plate and a long side plate that are rotatably connected to the upper peripheral frame. And a pair of tilting plates adapted to support the long side plate are known (for example, Japanese Utility Model Publication No. 58-866).
No. 3, gazette of the Japanese Utility Model Publication No. 58-8679).

Conventionally, the respective constituent members of the folding container are rotatably connected by a connecting member made of a metal material or the like.

[0004]

However, in the conventional folding container described above, each member is simply connected by the connecting member made of a metal material.
It is easy to rattle in the assembled state, and sufficient load resistance and impact strength cannot be obtained. In particular, if the connecting member of this folding container is made of resin material, the entire folding container will be made of resin material, which makes it convenient to utilize as a recycling resource. However, in terms of rattling, load resistance, and impact resistance, Becomes even more inadequate.

Further, in the conventional folding container described above, articles are taken in and out from the opening of the upper peripheral frame, and
Since the bottom plates of other containers are stacked on this upper peripheral frame so that they can be stacked in multiple stages, after placing articles in this container and stacking them in multiple stages, the containers in the second or lower stage from the top When it is desired to take out the articles inside, the disadvantages such as the need to remove the containers stacked on top of them will occur.

Further, the conventional folding container described above is
Since it is opened upward, dust and dirt easily enter through this opening. Therefore, in such a case, it is proposed to separately provide a lid on the upper peripheral frame portion,
The lid has to be attached and detached each time, which causes inconvenience.

The present invention has been made in view of the above-mentioned circumstances, and a stable assembled state can be obtained, and the load-bearing strength and the impact-proof strength are excellent, and the contents can be taken out in a stacked state, and dust can be taken out. It is an object of the present invention to provide a convenient folding container that can completely store contents so that dust and dirt do not enter.

[0008]

A folding container according to the present invention for solving the above problems is a top plate, a bottom plate and a foldable container, and is rotatably connected to the top plate and the bottom plate. A pair of long side plates composed of an upper long side plate and a lower long side plate, and a pair of tilt plates rotatably connected to the top plate and adapted to engage the bottom plate and the long side plate. Reinforcing ribs that are fitted to each other in an assembled state are formed in the vicinity of at least one connecting portion among the connecting portions between the respective members, and at least one of the swing plates rotates outward. The tilt plate is adapted to be engaged with the bottom plate and the long side plate from the outside in the assembled state in which the long side plate is extended.

[0009]

According to the present invention, in the assembled state, rattling of the connecting portion having the reinforcing ribs is prevented, and at the same time, the connecting portion is reinforced.

[0010] Further, the swing plate which is adapted to rotate outward can be opened and closed to store the article in the container, and after storing the article in this way, the swing plate is used as the bottom plate and the long side plate. By engaging, the article can be completely stored.

Further, since the swing plate is adapted to engage with the bottom plate and the long side plate from the outside, it is possible to take out the articles stored in the container without any gap between the upper and lower sides and the left and right sides by simply sliding them. it can.

Further, the bottom plate and the long side plate are released from the engagement with the tilting plate, the long side plate is bent, and the tilting plate is superposed on the upper surface of the top plate so that it can be folded.

[0013]

Embodiments 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 synthetic resin folding container (hereinafter simply referred to as a container) 1 in each state, and FIGS. 4 to 7 show the connection state of each member in the container 1. Is shown.

That is, the container 1 is provided with a top plate 2, a bottom plate 3, a long side plate 4 and a tilt plate 5, and is provided near a shaft portion 6 and a bearing portion 7 for connecting the respective members,
An insertion rib 8 and a fitting rib 9 which are fitted to each other in the assembled state are provided, and the swing plate 5 is adapted to rotate outward.

The top plate 2 is formed in a rectangular plate shape. On the long side of the top plate 2, a rail portion 21 is provided so as to project along the long side direction. The rail portion 21 is provided with notches 22 at two locations facing the inner side, and the notches 22 have engagement pieces 5 of a later-described tilt plate 5.
1 can be stored. Further, on the back side of the rail portion 21, bearing portions 7 each having an axial hole along the long side direction are integrally formed at a plurality of positions with appropriate intervals. Further, a plate-shaped insertion rib 8 is provided between the bearings 7 so as to reinforce the entire rail portion 21. On the other hand, on the short side of the top plate 2, bearing portions 7 each having a shaft hole along the direction of the short side are integrally formed at a plurality of positions with appropriate intervals.

The bottom plate 3 has substantially the same outer peripheral dimensions as the top plate 2,
It is made in shape. A long side rising wall 31 is formed on the long side of the bottom plate 3 along the long side direction. Further, inside the long side rising wall 31 of the bottom plate, bearing portions 7 having shaft holes along the long side direction are integrally formed at a plurality of positions with appropriate intervals. Further, an insertion rib 8 is provided between each of the bearing portions 7 so as to reinforce the entire long side rising wall 31. On the other hand, on the short side of the bottom plate 3, there are provided a handle 32 for holding a hand and an engagement groove 33 with which the engagement piece 51 of the swing plate 5 engages.

In the long side plate 4, the lower side of the upper long side plate 41 and the upper side of the lower long side plate 42 are rotatably connected. That is, as shown in FIG. 4, on the lower side of the upper long side plate 41, the cantilevered shaft portions 6 having a shaft core 61 along the lower side direction are evenly spaced and integrally molded with the upper long side plate 41. ing. Further, the bearing portions 7 having axial holes along the direction of the upper side are formed on the upper side of the lower long side plate 42 at equal intervals and are integrally formed with the lower long side plate 42. Then, by inserting the shaft portion 6 formed on the upper long side plate 41 into the bearing portion 7 formed on the lower long side plate 42, the upper long side plate 41 and the lower long side plate 42 are rotatable with respect to each other. There is.

On the lower side of the upper long side plate 41, the inserting rib 8 having a plurality of inserting pieces 81 is formed integrally with the upper long side plate 41 along the entire lower side. On the other hand, the lower long side plate 4
The fitting rib 9 having a plurality of fitting portions 91 also on the upper side of
Is integrally formed with the lower long side plate 42 along the entire upper side. Then, as shown in FIG. 8, this upper long side plate 41
When the lower long side plate 42 and the lower long side plate 42 are rotated from the bent state to the assembled state in which they are flush with each other, the insertion piece 81 of the insertion rib 8 of the upper long side plate 41 becomes the fitting rib 9 of the lower long side plate 42. It will be fitted to the fitting portion 91. In this fitted state, the upper long side plate 41 and the lower long side plate 42 are prevented from rattling and the shaft portion 6
The connection between the bearing portion 7 and the bearing portion 7 is reinforced.

On the other hand, on the lower side of the long side plate 4, that is, the lower side of the lower long side plate 42, as shown in FIG. 5, cantilevered shaft portions 6 having a shaft core 61 are arranged at equal intervals along the lower side direction. hand,
It is integrally molded with the lower long side plate 42. Also,
Fitting ribs 9 are provided between the respective shaft portions 6, and the shaft portions 6
It is designed to reinforce the vicinity of. This fitting rib 9
9, a fitting portion 91 is provided, and as shown in FIG. 9, the fitting portion 91 is fitted to the insertion rib 8 provided inside the long side rising wall 31 of the bottom plate 3 in the assembled state. Then, the cantilevered shaft portion 6 is inserted into the bearing portion 7 formed inside the long side rising wall 31 of the bottom plate 3, and the cantilevered shaft portion 6 is bent and engaged with the bearing portion 7. Bottom plate 3 and long side plate 4
And are connected. At this time, since the cantilevered shaft portion 6 is engaged by being pushed in, the shaft core 61 provided in the cantilevered shaft portion 6 is obliquely cut so as to be easily pushed in. Further, at the time of pushing in, the inserting ribs 8 and the fitting ribs 9 provided on the respective members are pushed in from an oblique direction to be connected so as not to buffer each other.

Further, on the upper side of the long side plate 4, that is, on the upper side of the upper long side plate 41, as shown in FIG. 6, cantilevered shaft portions 6 having a shaft core 61 are arranged at equal intervals along the upper side direction. hand,
It is integrally formed with the upper long side plate 41. Also,
Fitting ribs 9 are provided between the respective shaft portions 6, and the shaft portions 6
It is designed to reinforce the vicinity of. This fitting rib 9
Also, a fitting portion 91 is provided for the top plate 2 in the assembled state.
It is adapted to be fitted with the insertion rib 8 provided on the back surface of the rail portion 21. Then, similarly to the lower long side plate 42, the cantilevered shaft portion 6 is pushed into the bearing portion 7 formed on the back side of the rail portion 21 of the top plate 2, and the cantilevered shaft portion 6 is bent to bend the bearing portion. By engaging with 7, the top plate 2 and the long side plate 4 are connected.

As a result, the long side plate 4 is bendable so that the outer surface of the upper long side plate 41 and the outer surface of the lower long side plate 42 face each other. Further, in this bent state, the long side plate 4 is housed in the space formed between the top plate 2 and the bottom plate 3. Further, in this bent state, the outer surface of the upper long side plate 41 is brought into contact with the back side of the rail portion 21 of the top plate 2 in a state where the upper long side plate 41 and the lower long side plate 42 are extended so as to be flush with each other. The outer surface of the lower long side plate 42 is brought into contact with the inner side of the long side rising wall 31 of the bottom plate 3. At the same time, in this assembled state, the top plate 2 and the upper long side plate 4
1, the insertion ribs 8 and the fitting ribs 9 of the connecting portions of the lower long side plate 42 and the bottom plate 3 are fitted to each other to prevent rattling of these connecting portions and at the same time to reinforce these connecting portions. The Rukoto.

Further, the upper long side plate 4 constituting the long side plate 4
Engagement holes 43 are formed on both sides of 1 and the lower long side plate 42 so as to engage with the plate 5 in an assembled state.

The swing plate 5 is formed in a rectangular shape.
As shown in FIG. 7, cantilevered shaft portions 6 having a shaft core 61 are formed integrally with the tilt plate 5 along the upper side of the tilt plate 5 at equal intervals.
Then, similar to the connection between the upper long side plate 41 and the top plate 2,
By pushing the cantilevered shaft portion 6 into the bearing portion 7 formed on the short side of the top plate 2 and bending the cantilevered shaft portion 6 to engage with the bearing portion 7, the top plate 2 and the tilt plate 5 are formed. And are connected. The tilt plate 5 passes from the position where the tilt plate 5 is in a vertical state with respect to the top plate 2 arranged in the horizontal direction, passes through the outward trajectory indicated by the arrow A, and is located on the top surface of the top plate 2. 270 ° to the horizontal position where the
It is designed to be able to rotate within the range.

Further, the swing plate 5 is provided with engaging pieces 51 which engage with the engaging holes 43 provided in the upper long side plate 41 and the lower long side plate 42 of the long side plate 4, respectively. Similarly, an engaging piece 51 for engaging with the engaging groove 33 of the bottom plate 3 is also provided on the bottom side of the swing plate 5. Then, by rotating the swing plate 5 in a vertical state,
The engagement piece 51 is engaged with the engagement hole 43 provided in the long side plate 4 and the engagement groove 33 provided in the bottom plate 3 to maintain this state. Further, by rotating the tilt plate 5 so as to be turned upside down on the top surface of the top plate 2, the engaging piece 51 provided on the tilt plate 5 is housed in the notch 22 provided on the rail portion 21. Has been done.

The container 1 thus constructed is
Each of the above constituent members is formed of the same synthetic resin material. In this case, since the connecting portion including the shaft portion 6 and the bearing portion 7 is also made of a synthetic resin material, it can be effectively used as a recycled resource after its useful life. On the other hand, when the shaft portion 6 and the bearing portion 7, which are the connecting portions, are made of a synthetic resin material, the strength of the connecting portions may be insufficient, but they are fitted with the insertion ribs 8 provided near the connecting portions. When the ribs 9 and the ribs 9 are fitted to each other in the assembled state, the container 1 is excellent in load bearing strength and impact resistance.

Examples of the synthetic resin material include polypropylene, polyethylene, ABS resin and the like. Moreover, as a molding method of each member, integral molding by injection molding is suitable.

Next, a method of using 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 top plate 2 and the bottom plate 3 is expanded as shown in FIG.

Then, the upper long side plate 41 and the lower long side plate 42 housed between the top plate 2 and the bottom plate 3 are extended, and the tilt plate 5 overlaid on the top plate 2 is turned over.
Rotate 70 ° to vertical.

After that, the engaging piece 51 of the swing plate 5 is engaged with the engaging hole 43 of the long side plate 4 and the engaging groove 33 of the bottom plate 3 to complete the assembly.

When storing articles in this container 1,
Disengage one of the swing plates 5 to move the swing plate 5
The article can be inserted by opening the.

On the other hand, contrary to the above, the tilt plate 5 is moved to the arrow A.
Rotate 270 ° in an outward orbit along the direction and turn the top plate 2
It is possible to return the assembled state to the folded state by stacking the sheets on top of each other and turning over the long side plate 4. At this time, the engaging pieces 51 provided on both sides of the swing plate 5
Are stored in the notch 22 provided in the rail portion 21 of the top plate 2.

According to this container 1, articles can be stored by opening the swing plate 5 on the side surface of the container 1 in the assembled state, so that another container 1 or other luggage can be placed on the container 1. Even when loaded
Goods can be taken in and out easily. However, when the plate 5 is opened with the other containers 1 and other luggage loaded on the container 1 in this way, one of the tilt plates 5 is placed so that the container 1 does not collapse due to the load. , The long side plate 4 and the bottom plate 3 must be engaged with each other. In addition, the tilt plate 5 should not be opened so that the articles inside will not pop out.
In the case of giving more engagement force to the bottom plate 3, a lock mechanism (not shown) for locking the tilt plate 5 to the bottom plate 3 and the long side plate 4 may be provided.

When the same container 1 is loaded on the container 1, the handle 32 of the bottom plate 3 of the upper container 1 is placed on the rail portion 21 of the lower container 1. You can easily unload the product by pulling it toward you while sliding it.

Further, in the case of this container 1, since articles can be completely stored in the container 1, especially when it is used for transporting medical products or foods, invasion of dust or the like is prevented. Can be hygienic. However, in the case of the container 1 of this embodiment, since the articles are completely stored inside and it is difficult to confirm the articles in the container 1, the long side plate 4 and the tilt plate 5 are made transparent or translucent members. You may make it possible to see through the inside of the container 1.

In this embodiment, the top plate 2 and the upper long side plate 4 are used.
1, the upper long side plate 41 and the lower long side plate 42, and the lower long side plate 42 and the bottom plate 3 are provided with insertion ribs 8 and fitting ribs 9, respectively, to prevent rattling during assembly. However, the present invention is not limited to the case where the insertion rib 8 and the fitting rib 9 are provided at such positions, and the insertion ribs 8 and Mating rib 9
Is provided so as to prevent rattling and reinforcement at the time of assembly.

Further, in this embodiment, the long side plate 4 and the tilt plate 5 are provided with the shaft portions 6, and the top plate 2 and the bottom plate 3 are provided with the bearing portions 7.
Although the shaft portion 6 is provided on the top plate 2 and the bottom plate 3, and the bearing portion 7 may be provided on the long side plate 4 and the tilt plate 5 on the contrary. Similarly, the fitting rib 9 may be provided at the position of the insertion rib 8, the insertion rib 8 may be provided at the position of the fitting rib 9, and the positional relationship may be reversed.

Further, in the case of the container 1 of the present embodiment, both the swing plates 5 are configured to rotate outward, but only one of the swing plates 5 rotates outward, The other swing plate 5 may be configured to rotate inward like a conventional container.

[0040]

As described above, according to the present invention, the rattling of the connecting portion can be prevented and the connecting portion can be reinforced at the same time in the assembled state, so that a stable assembled state can be obtained at the same time. It is possible to obtain excellent performance in load bearing strength and impact resistance.

Further, since it is possible to store the articles in the container by opening and closing the tilting plate which is adapted to rotate outward, even if the containers containing the articles are stacked in multiple stages, the tilting plate is directed outward. By rotating it to, it is possible to easily take out and put in an article of a size that can be stored inside without a gap. Further, since the article can be completely confined in the state where the swing plate is closed, it is possible to prevent dust from entering the container without using a separate lid or the like.

[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 partially exploded perspective view showing a connected state of the upper long side plate and the lower long side plate.

FIG. 5 is a partially exploded perspective view showing a connected state of the bottom plate and the lower long side plate.

FIG. 6 is a partially exploded perspective view showing a connected state of the top plate and the upper long side plate.

FIG. 7 is a partial cross-sectional view before and after a connected state showing another embodiment of a bearing portion and a shaft portion.

FIG. 8 is a partial cross-sectional view showing a bent state and an assembled state of the upper long side plate and the lower long side plate.

FIG. 9 is a partial cross-sectional view showing a bent state and an assembled state of the bottom plate and the lower long side plate.

[Explanation of symbols]

 1 Folding Container 2 Top Plate 3 Bottom Plate 4 Long Side Plate 41 Upper Long Side Plate 42 Lower Long Side Plate 5 Flange Plate 6 Bearing Part (Connecting Part) 7 Shaft Part (Connecting Part) 8 Inserting Rib (Reinforcing Rib) 9 Fitting Rib (Reinforcing) rib)

Claims (1)

[Claims] 1. A top plate, a bottom plate, a pair of long side plates that are foldable and that are rotatably connected to the top plate and the bottom plate and that include an upper long side plate and a lower long side plate. While being rotatably connected to the top plate,
Reinforcement including a bottom plate and a pair of tilt plates adapted to engage with the long side plate, and in the vicinity of at least one connecting portion among the connecting portions between respective members, which are fitted to each other in an assembled state. A rib is formed, and at least one of the tilt plates is adapted to be rotated outward and overlapped with the upper surface of the top plate. A folding container, characterized in that it is adapted to engage with a bottom plate and a long side plate from the outside.