JP7132582B2 - collapsible transport container - Google Patents

Description

The present invention relates to a foldable transport container that can be switched between a folded state and an assembled state.

2. Description of the Related Art Conventionally, a foldable transportation container that can be switched between a folded state and an assembled state is known (see Patent Document 1, etc.).

This type of transport container includes a bottom plate, a mouth frame, a pair of rocking plates, a pair of folding plates, and a lid plate. The pair of rocking plates are rotatably connected to the mouth frame. A pair of bent plates are rotatably connected to the bottom plate and the mouth frame. The cover plate opens and closes the opening formed in the mouth frame.

When the transportation container is in the assembled state, the pair of rocking plates and the pair of folding plates both take upright postures between the bottom plate and the mouth frame.

When the transportation container is in the folded state, the pair of rocking plates assumes a posture rotated inward from the upright posture by about 90 degrees, and the pair of folding plates are bent inward from the upright posture. take a stance.

JP 2013-43693 A

In the above-described conventional transport container, when switching the transport container from the folded state to the assembled state, it is common for the user to hold the mouth frame by hand and lift it upward. As a result, each oscillating plate rotates outward by its own weight, and each bent plate stands straight.

However, in the conventional collapsible transport container described above, it is troublesome to switch the collapsible transport container from the folded state to the assembled state while the opening of the mouth frame is closed with the cover plate.

This is because if the opening of the frame is closed by the cover plate in the folded state, when the frame is lifted, it is difficult for air from the outside to flow into the inside of each rocking plate, and as a result, This is because it is difficult for each rocking plate to rotate vigorously due to its own weight.

If each rocking plate does not rotate vigorously, each rocking plate will not reach the standing posture when the mouth frame is lifted, and then it will be necessary to open the cover plate and push each rocking plate from the inside. Become. Therefore, it becomes difficult to improve the efficiency of the assembly work.

SUMMARY OF THE INVENTION An object of the present invention is to provide a foldable transport container that can be assembled efficiently even if the opening of the mouth frame is closed in the folded state.

A collapsible transport container according to one aspect of the present invention comprises a bottom plate, a mouth frame positioned above the bottom plate and having an opening penetrating vertically, and a pair rotatably connected to the mouth frame. a rocking plate, a pair of bending plates rotatably connected to the bottom plate and the mouth frame, and a cover plate for opening and closing the opening of the mouth frame.

The oscillating plate has a connecting end portion rotatably connected to the mouth frame, a handle hole penetrating through the oscillating plate in a thickness direction and into which a fingertip can be inserted,
A finger hook piece is provided near the connecting end of the handle hole and can hook the fingertip.

ADVANTAGE OF THE INVENTION This invention is effective in the ability to perform an assembly work efficiently, even if the opening part of a mouth frame is closed in a folded state.

1 is a perspective view of one embodiment of a collapsible shipping container; FIG. FIG. 2 is an exploded perspective view of the same foldable transport container. FIG. 3 is a perspective view of a bottom plate included in the folding transport container of the same. FIG. 4 is a plan view of the bottom plate of the same. FIG. 5 is a perspective view of a mouth frame provided in the same foldable transport container. FIG. 6 is a perspective view of a rocking plate included in the foldable transport container of the same. FIG. 7 is a front view of the rocking plate same as the above. 8 is a cross-sectional view taken along the line AA of FIG. 7. FIG. FIG. 9 is a perspective view of the back side of the rocking plate same as the above. FIG. 10 is an exploded perspective view of a folding plate included in the same foldable transportation container. FIG. 11 is a perspective view of the essential parts of the foldable transport container in the folded state. FIG. 12 is a cross-sectional view of a main part of a foldable transport container of Modification 1. FIG. FIG. 13 is a cross-sectional view of a main part of a foldable transport container of Modification 2. FIG. FIG. 14 is a cross-sectional view of a main part of a foldable transport container of Modification 3. FIG.

[One embodiment]
A foldable transport container of one embodiment will be described based on the accompanying drawings. Each direction such as up and down used in the following description is based on the state in which the entire container is assembled (assembled state).

(Overview)
First, an outline of a foldable transportation container according to one embodiment will be described.

As shown in FIGS. 1 and 2, the collapsible transport container of one embodiment includes a rectangular plate-shaped bottom plate 1, a rectangular frame-shaped mouth frame 2 positioned above the bottom plate 1, and the bottom plate 1 and the mouth frame. 2, a pair of folding plates 4 attached between the bottom plate 1 and the mouth frame 2, and a pair of openings 20 formed in the mouth frame 2. A cover plate 5 is provided.

Each of the pair of rocking plates 3 is mainly composed of a main plate 31 made of synthetic resin. A connecting end portion 32, which is the upper edge portion of each rocking plate 3 (the upper edge portion of the main plate 31), is rotatably connected to the mouth frame 2. As shown in FIG. An engaging end portion 33, which is a lower edge portion of each rocking plate 3 (lower edge portion of the main plate 31), engages with the bottom plate 1 in a freely engageable and disengageable manner.

The pair of bent plates 4 is composed of an upper plate 41 and a lower plate 42 made of synthetic resin, which are rotatably connected to each other. The upper edge portion of each bent plate 4 (the upper edge portion of the upper plate 41) is rotatably connected to the mouth frame 2, and the lower edge portion of each bent plate 4 (the lower edge portion of the lower plate 42). is rotatably connected to the bottom plate 1 . In each bent plate 4, an upper plate 41 and a lower plate 42 are bent inward in a "<" shape.

In the following, each configuration of the collapsible transport container of one embodiment will be described in more detail.

(Bottom plate)
As shown in FIGS. 3 and 4, the bottom plate 1 includes a bottom plate body 11 made of synthetic resin, a plurality of engaging portions 13 provided on the periphery of the bottom plate body 11, and the bottom plate body 11. a plurality of connecting portions 15 provided on the peripheral portion of the .

The peripheral portion of the bottom plate body 11 has a pair of short side portions 111 parallel to each other and a pair of long side portions 112 parallel to each other. The pair of short side portions 111 and the pair of long side portions 112 are alternately and continuously positioned in the circumferential direction.

The engaging portion 13 and the outer piece 14 are integrally provided on each of the pair of short side portions 111 . The engaging portion 13 is a portion with which the engaging end portion 33 of the rocking plate 3 engages releasably, and is located at the center portion of the short side portion 111 in the longitudinal direction. The outer piece 14 is located outside the engaging portion 13 .

A plurality of connecting portions 15 and outer pieces 16 are provided on each of the pair of long side portions 112 . A lower edge portion of the bending plate 4 is rotatably connected to the connecting portion 15 . The outer piece 16 is located outside the plurality of connecting portions 15 .

(Mouth frame)
As shown in FIG. 5 and the like, the mouth frame 2 includes a pair of short side frames 21 to which the connecting end portions 32 of the rocking plate 3 are connected, and a pair of long side frames to which the upper edge portion of the bending plate 4 is connected. A frame 22 is integrally provided. The pair of short side frames 21 and the pair of long side frames 22 are alternately and continuously positioned in the circumferential direction.

The opening 20 of the mouth frame 2 is a portion surrounded by a pair of short side frames 21 and a pair of long side frames 22, and penetrates vertically.

A portion of the cover plate 5 is placed on the upper surface of the short frame 21 . Two protrusions 218 are formed on the upper surface of the short frame 21 so as to protrude upward.

A plurality of connecting portions 226 are formed on the upper surface of the long side frame 22 . The cover plate 5 is rotatably connected to the connecting portions 226 .

(rocking plate)
6 to 9 show the rocking plate 3. FIG.

As described above, the rocking plate 3 includes the rectangular main plate 31, the connecting end portion 32 formed by the upper edge portion of the main plate 31, and the engaging end portion 33 formed by the lower edge portion of the main plate 31. Prepare.

The connecting end portion 32 is integrally formed with a plurality of connecting portions 322 that are rotatably connected to the short side frame 21 of the mouth frame 2 . The plurality of connecting portions 322 are arranged in a straight line with a distance therebetween.

The engaging end portion 33 is integrally formed with an engaging portion 335 that removably engages with the engaging portion 13 of the bottom plate 1 from the inner side. The engaging portion 335 is located in the central portion of the engaging end portion 33 in the longitudinal direction. The engaging portion 335 is formed with two engaging claws 337 for engaging with the engaging portion 13 of the bottom plate 1 . The number of engaging claws 337 is not limited to two, and may be at least one.

A handle hole 35 is formed in the main plate 31 so that the user can insert his/her fingertip (tip). The handle hole 35 penetrates through the main plate 31 in the thickness direction D1 at the upper portion of the main plate 31 . The upper portion of the main plate 31 is the portion of the main plate 31 closer to the connecting end 32 . The thickness direction D1 of the main plate 31 is the thickness direction of the rocking plate 3 .

The handle hole 35 is a laterally elongated through hole. An upper edge portion 351 of the handle hole 35 is formed to bulge upward (in a direction approaching the connecting end portion 32) in an arc shape (see FIG. 9). A lower edge 353 of the handle hole 35 is formed horizontally in a straight line. The dimension of the upper edge portion 351 in the thickness direction D1 is wider than the dimension of the lower edge portion 353 in the thickness direction D1 (see FIG. 8).

The main plate 31 is integrally formed with a finger hook piece 36 with which the user can bend and hook his or her fingertip. The finger hook piece 36 protrudes downward (in a direction away from the connecting end portion 32) from a part of the upper edge portion 351 of the handle hole 35 outside in the thickness direction D1.

When the main plate 31 is viewed in the thickness direction D1, the finger hook piece 36 is positioned so as to occupy the upper portion of the handle hole 35 . In addition, the finger hook piece 36 is located outside the lower edge 353 of the handle hole 35 .

The finger hook piece 36 has a vertical piece 361 projecting downward and a horizontal piece 363 projecting inward from the tip side portion of the vertical piece 361 . The vertical piece 361 and the horizontal piece 363 are continuous with an L-shaped cross section. Note that the portion of the vertical piece 361 where the horizontal piece 363 protrudes (the portion on the tip side) is not limited to the tip of the vertical piece 361, and the horizontal piece 363 may protrude from a position above the tip. do not have.

The vertical piece 361 is formed so as to swell slightly outward. The vertical piece 361 bulges out smoothly as a whole so that the portion closer to the center in the horizontal direction is located outward, and the lower portion is located outward.

When the main plate 31 is viewed in the thickness direction D<b>1 , the tip of the vertical piece 361 is positioned parallel to the lower edge 353 of the handle hole 35 . The term "parallel" used in the text is not limited to "parallel" in a strict sense, and includes "substantially parallel". A tip portion of the vertical piece 361 is located outside the lower edge portion 353 of the handle hole 35 .

The horizontal piece 363 is formed parallel to the lower edge 353 of the handle hole 35 . The horizontal piece 363 is located outside the lower edge 353 of the handle hole 35 . The inner protruding portion of the lateral piece 363 is formed laterally in a straight line (see FIG. 9). The tip of the horizontal piece 363 is smoothly curved so that the cross section in the vertical direction is arcuate (see FIG. 8). The dimension of the horizontal piece 363 in the thickness direction D1 is provided so that the width gradually increases toward the center in the horizontal direction.

Further, the vertical piece 361 is formed thicker than the horizontal piece 363 in order to prevent the finger hook piece 36 from being damaged.

Since the oscillating plate 3 is provided with the handle hole 35 and the finger hook piece 36, the user inserts his or her fingertip into the handle hole 35 from the outside and bends the finger tip upward to open the finger hook piece. 36 can be hooked. The engagement margin at this time is ensured by the dimension of the horizontal piece 363 in the thickness direction D1. In addition, since the lateral piece 363 is formed on the finger hook piece 36, the pain felt when the user grips the finger hook piece 36 can be suppressed.

Furthermore, in the foldable transport container of one embodiment, the main plate 31 has curved portions 37 that bulge outward and vertical ribs 38 that protrude outward at both ends in the horizontal direction. , are formed vertically in a straight line. A space is formed between the curved portion 37 and the longitudinal rib 38 located inside thereof.

An operating piece 34 is bridged between the curved portion 37 and the vertical rib 38 adjacent to each other. The operating piece 34 is positioned below the rocking plate 3 .

The operating piece 34 is formed integrally with the main plate 31 at a position spaced outward from a portion of the lower portion of the main plate 31 . The operating piece 34 has an arcuate shape that bulges outward. A space is formed between the operation piece 34 and the main plate 31 into which the user can insert his/her fingertip.

The user can hook his/her fingertip on each operation piece 34 and pull the rocking plate 3 outward. Since each operating piece 34 bulges outward, the user is less likely to feel pain at this time.

(folded plate)
FIG. 10 shows the folding plate 4 in an exploded manner.

As described above, the folding plate 4 is mainly composed of the upper plate 41 and the lower plate 42, and the whole can be folded in two by bending the upper plate 41 and the lower plate 42 in a "<" shape. be.

A plurality of connecting portions 412 that are rotatably connected to the long side frame 22 of the mouth frame 2 are integrally formed on the upper edge portion of the upper plate 41 (the edge portion on the side closer to the mouth frame 2). .

A hinge shaft 414 and a bearing 416 for rotatably connecting to the lower plate 42 are integrally formed on the lower edge portion of the upper plate 41 (the edge portion on the side away from the mouth frame 2). . An inner piece 418 is formed integrally with the lower edge portion of the upper plate 41 so as to be positioned more inward than the hinge shaft 414 and the bearing portion 416 .

A plurality of connecting portions 422 are integrally formed on the lower edge portion of the lower plate 42 (the edge portion on the side closer to the bottom plate 1). The plurality of connecting portions 422 are rotatably connected to the plurality of connecting portions 15 formed on the long side portion 112 of the bottom plate 1 .

A hinge shaft 424 and a bearing 426 for rotatably connecting to the upper plate 41 are integrally formed on the upper edge portion of the lower plate 42 (the edge portion on the side away from the bottom plate 1). The relative rotation range of the lower plate 42 and the upper plate 41 is limited by the inner piece 418 of the upper plate 41 to a range in which the upper plate 41 is bent inward in a "<" shape.

(cover plate)
As shown in FIGS. 1 and 2, the pair of cover plates 5 are rotatably attached to the mouth frame 2 . Specifically, a pair of cover plates 5 are attached to a pair of long side frames 22 provided on the mouth frame 2 in a one-to-one relationship.

A pair of lid plates 5 opens and closes an opening 20 formed by the mouth frame 2, thereby opening and closing the storage space of the container to the outside. The pair of lid plates 5 have a common configuration. The outer shape of the cover plate 5 is a rectangular plate.

A plurality of connecting portions 51 are formed on one of the pair of edge portions on the long side of the cover plate 5, and a thin plate-like overlapping portion 53 is formed on the other.

The connecting portion 51 is rotatably connected to the connecting portion 226 (see FIG. 5) of the long side frame 22 of the mouth frame 2 . The overlapping portion 53 is a portion that overlaps with the overlapping portion 53 of the other cover plate 5 .

Through holes 55 are formed in a pair of short side edge portions of the cover plate 5 . When the cover plate 5 is in the posture of closing the opening 20, the projections 218 formed on the short side frames 21 of the mouth frame 2 are fitted into the corresponding through holes 55 one by one.

(whole)
Since the collapsible transport container of one embodiment has the above configurations, the work of switching from the folded state to the assembled state while the opening 20 of the mouth frame 2 is closed with the pair of cover plates 5 is efficient. done on purpose.

That is, when the opening 20 is closed, air does not flow in from the opening 20 when the mouth frame 2 is lifted. is formed through, and air flows inward through the handle hole 35, so that each rocking plate 3 vigorously rotates outward.

In the foldable transport container of one embodiment, the assembling work can be easily completed from the folded state in which the opening 20 is closed by the pair of cover plates 5 through the series of operations described below.

As shown in FIG. 11 of the main part (only the mouth frame 2 and the pair of swinging plates 3), in the folded state, the pair of swinging plates 3 are housed in a posture rotated inward. Here, as indicated by imaginary lines in the drawing, the user inserts his/her fingertips under the short side frames 21 on both sides of the mouth frame 2, bends the fingertips, and engages the finger hooks 36 of the handle holes 35. hook.

Next, while lifting the entire mouth frame 2, the finger hooks 36 are rotated outward with the short frames 21 on both sides as pivots, thereby rotating the rocking plates 3 on both sides outward with their own weight. At this time, since air flows inside through the handle hole 35, each rocking plate 3 is vigorously rotated. With this momentum, the finger hooking piece 36 is subsequently pulled outward, so that each rocking plate 3 can be engaged with the bottom plate 1. - 特許庁

If each rocking plate 3 is not properly engaged with the bottom plate 1, the user can hook his or her fingertip on the lower edge 353 of the handle hole 35 and pull it strongly outward. It is also possible to hook a fingertip on each operation piece 34 provided on each rocking plate 3 and pull the rocking plate 3 outward.

As described above, according to the foldable transport container of one embodiment, even if the opening 20 of the mouth frame is closed in the folded state, the cover plate 5 is once opened and each rocking plate is opened as in the conventional art. Assembly work can be efficiently completed without the need to push 3 from the inside.

[Modification]
Various modifications of the folding transport container will be described below.

The basic structure of the foldable transport container of each modified example is the same as the structure of the foldable transport container of the above-described embodiment. In the following, configurations similar to those of the folding transport container of the embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted.

FIG. 12 shows the main part of the foldable transport container of Modification 1. As shown in FIG. The cross section shown in FIG. 12 is the cross section of the portion of the folding transport container of one embodiment corresponding to FIG.

In the foldable transport container of Modification 1, the horizontal piece 363 of the finger hook piece 36 protrudes outward from the tip side portion of the vertical piece 361 .

Also in this modification, the user can insert the fingertip into the handle hole 35, bend the fingertip and hook it on the finger hook piece 36, and the horizontal piece 363 secures the hook allowance. It should be noted that it is also possible to provide both the finger hook piece 36 protruding inward from the tip side portion of the vertical piece 361 and the finger hook piece 36 protruding outward from the tip side portion. be.

FIG. 13 shows the main part of the foldable transport container of Modification 2. As shown in FIG. The cross section shown in FIG. 13 is the cross section of the portion of the folding transport container of one embodiment corresponding to FIG.

In the folding transport container of Modification 2, one or more projections 365 protrude downward from the tip surface of the vertical piece 361 .

Also in this modification, the user can insert the fingertip into the handle hole 35, bend the fingertip and hook it on the finger hook piece 36, and the presence of the projection 365 makes it easier to hook the fingertip.

FIG. 14 shows the main part of the foldable transport container of Modification 3. As shown in FIG. The cross section shown in FIG. 14 is the cross section of the portion of the folding transport container of one embodiment corresponding to FIG.

In the foldable transport container of Modified Example 3, the finger hook piece 36 protrudes downward from a portion of the inner side of the upper edge portion 351 of the handle hole 35 in the thickness direction D1. The finger hook piece 36 is composed of a vertical piece 361 protruding downward, and does not have a horizontal piece 363 as shown in FIG.

Also in this modified example, the user can insert the fingertip into the handle hole 35 and bend the fingertip to hook it on the finger hook piece 36 .

In addition, each configuration of the collapsible transport container of one embodiment can be changed as appropriate.

For example, in the collapsible transport container of one embodiment, a pair of lid plates 5 are rotatably connected to the mouth frame 2, but the number of lid plates 5 may be one, and the lid plate 5 may be attached to the mouth frame. 2 may be detachable.

[Effect]
As can be understood from the above description of the embodiment and its modification, the folding transport container of the first embodiment includes a bottom plate 1, a mouth frame 2, a pair of rocking plates 3, and a pair of folding plates 4. , and a lid plate 5 . The mouth frame 2 is positioned above the bottom plate 1 and has an opening 20 penetrating vertically. A pair of rocking plates 3 are rotatably connected to the mouth frame 2 . A pair of bent plates 4 are rotatably connected to the bottom plate 1 and the mouth frame 2 . The cover plate 5 opens and closes the opening 20 of the mouth frame 2 .

The rocking plate 3 includes connecting ends 32 , handle holes 35 and finger hooks 36 . The connecting end 32 is rotatably connected to the mouth frame 2 . The handle hole 35 penetrates through the rocking plate 3 in the thickness direction D1 and can be inserted with a fingertip. A finger hook piece 36 is provided at a portion of the handle hole 35 near the connecting end portion 32 and can be hooked with a fingertip.

According to the foldable transport container of the first embodiment, when the opening 20 of the frame 2 is closed by the cover plate 5 and the frame 2 in the folded state is lifted, the handle holes 35 of the rocking plates 3 are lifted. Since air flows inside through the opening, each rocking plate 3 rotates vigorously.

Here, if the user hooks his or her fingertip on the finger hook piece 36 and rotates each rocking plate 3 vigorously outward while lifting the mouth frame 2, the assembling work can be easily performed in a series of operations. can be completed.

Therefore, according to the foldable transport container of the first embodiment, the work of switching from the folded state to the assembled state can be efficiently performed while the opening 20 of the mouth frame 2 is closed by the cover plate 5 .

In the second embodiment of the foldable transport container, the finger hook 36 includes a vertical piece 361 and a horizontal piece 363 in the first embodiment. The vertical piece 361 protrudes away from the connecting end 32 . The horizontal piece 363 protrudes from the tip side portion of the vertical piece 361 .

According to the second embodiment of the foldable transport container, the lateral piece 363 further secures a margin for finger engagement, so that the assembly work can be performed more efficiently.

REFERENCE SIGNS LIST 1 bottom plate 2 mouth frame 20 opening 3 rocking plate 35 handle hole 32 connecting end portion 35 handle hole 36 finger hook piece 361 vertical piece 363 horizontal piece 4 bent plate 5 cover plate

Claims (4)

a bottom plate;
a mouth frame positioned above the bottom plate and having an opening penetrating vertically;
a pair of rocking plates rotatably connected to the mouth frame;
A pair of bent plates rotatably connected to the bottom plate and the mouth frame,
The rocking plate is
a connecting end portion rotatably connected to the mouth frame;
a handle hole that passes through the rocking plate in the thickness direction and into which a fingertip can be inserted;
including a finger hook piece provided near the connecting end of the handle hole and capable of hooking the fingertip;
The finger piece is
a vertical piece protruding away from the connecting end, and a horizontal piece protruding inward from the tip side portion of the vertical piece,
In the handle hole, the user inserts his/her fingertip into the handle hole from the outside and bends the fingertip upward to attach the finger hook to the inner side of the tip of the horizontal piece. Space is formed so that it can be hooked ,
The vertical piece is smoothly swollen so that the lower portion is positioned outward.
A collapsible transport container characterized by: 2. The foldable transport container according to claim 1, wherein the vertical piece is smoothly swollen so that the portion closer to the center in the horizontal direction is positioned outward. The edge of the handle hole on the side closer to the connecting end is formed to swell in an arc shape toward the connecting end.
3. The foldable transport container according to claim 1 or 2, characterized in that: a bottom plate;
a mouth frame positioned above the bottom plate and having an opening penetrating vertically;
a pair of rocking plates rotatably connected to the mouth frame;
A pair of bent plates rotatably connected to the bottom plate and the mouth frame,
The rocking plate is
a connecting end portion rotatably connected to the mouth frame;
a handle hole that passes through the rocking plate in the thickness direction and into which a fingertip can be inserted;
including a finger hook piece provided near the connecting end of the handle hole and capable of hooking the fingertip;
The finger piece is
including a longitudinal piece projecting in a direction away from the connecting end,
The vertical pieces are smoothly swollen so that the portion closer to the center in the horizontal direction is located outward, and the lower portion is located outward.
A collapsible transport container characterized by:

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