JP2019059520A - Foldable transport container - Google Patents

Abstract

To provide a foldable transport container whose assembly operation can be carried out efficiently even though the opening part of the mouth frame is being closed in a folded state.SOLUTION: The foldable transport container includes a bottom plate 1, a mouth frame 2, a pair of swing plates 3, a pair of bent plates 4 and a top plate 5. The mouth frame 2 is formed with an opening part 20 vertically penetrating there-through. The top plate 5 opens and closes the opening part 20 of the mouth frame 2. The swing plates 3 include connection end parts 32, holding finger holes 35 and finger hook pieces 36. The connection end parts 32 is joined with the mouth frame 2 in a freely rotating way. The holding finger holes 35 penetrate in the thickness direction D1 of the swing plates 3 and finger tips can be inserted into them. The finger hook pieces 36 are provided on a part close to the connection end parts 32 of the holding finger holes 35 and finger tips can be hooked onto them.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a collapsible carrying container which can be switched between a folded state and an assembled state.

  A foldable carrying container which can switch between a folded state and an assembled state is conventionally known (see Patent Document 1 etc.).

  This type of carrying container includes a bottom plate, a mouth frame, a pair of swinging plates, a pair of bending plates, and a lid plate. The pair of rocking plates are rotatably connected to the mouth frame. The pair of bending plates are rotatably connected to the bottom plate and the mouth frame. The lid plate opens and closes the opening formed in the mouth frame.

  When the transportable container is in the assembled state, the pair of rocking plates and the pair of bending plates are both in the standing posture between the bottom plate and the mouth frame.

  When the transport container is in the folded state, the pair of rocking plates is turned approximately 90 degrees inward from the standing position, and the pair of bending plates are bent inward from the standing position. Take a good attitude.

JP, 2013-43693, A

  In the above-described conventional transport container, when the transport container in the folded state is switched to the assembled state, it is general for the user to hold the mouth frame by hand and lift it upward. As a result, each rocking plate rotates outward by its own weight, and each bent plate stands upright.

  However, in the conventional collapsible transport container described above, the task of switching the collapsible transport container from the folded state to the assembled state is troublesome while keeping the opening of the mouth frame closed by the lid plate.

  For example, when the opening of the mouth frame is closed by the lid plate in the folded state, external air is less likely to flow into the inside of each rocking plate when the mouth frame is lifted, and as a result, This is because it is difficult for each swing plate to rotate vigorously by its own weight.

  If each swing plate does not rotate vigorously, when the mouth frame is lifted, each swing plate does not reach the upright position, and then it is necessary to open the cover plate and push each swing plate from the inside. Become. Therefore, it is difficult to improve the efficiency of assembly work.

  The problem to be solved by the present invention is to provide a collapsible carrying container capable of efficiently performing an assembly operation 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 located above the bottom plate and formed with 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 opening frame, and a cover plate for opening and closing the opening of the opening frame.

The rocking plate has a connecting end rotatably connected to the mouth frame, and a handle hole which penetrates in the thickness direction of the rocking plate and into which a fingertip can be inserted.
It includes a finger hook that is provided in a portion close to the connection end of the handle hole and can catch the fingertip.

  The present invention is effective in that the assembly operation can be performed efficiently even when the opening of the mouth frame is closed in the folded state.

FIG. 1 is a perspective view of a collapsible carrier of one embodiment. FIG. 2 is an exploded perspective view of the folding transport container of the same. FIG. 3 is a perspective view of a bottom plate provided in the foldable carrying container of the same. FIG. 4 is a plan view of the above bottom plate. FIG. 5 is a perspective view of a mouth frame provided in the foldable carrying container of the same. FIG. 6 is a perspective view of a swing plate provided in the foldable carrying container of the same. FIG. 7 is a front view of the rocking plate of the above. FIG. 8 is a cross-sectional view taken along line A-A of FIG. FIG. 9 is a perspective view of the back side of the rocking plate of the same. FIG. 10 is an exploded perspective view of a bent plate provided in the foldable carrying container of the same. FIG. 11 is a perspective view of an essential part of the same folding type transportable container in the folded state. FIG. 12 is a cross-sectional view of an essential part of the foldable transportable container of the first modification. FIG. 13 is a cross-sectional view of an essential part of a foldable transportable container of the second modification. FIG. 14 is a cross-sectional view of an essential part of a folding transport container of a third modification.

[One embodiment]
One embodiment of a collapsible carrying container will be described based on the attached drawings. Each direction such as upper and lower used in the following description is based on a state in which the entire container is assembled (assembled state).

(Overview)
First, an outline of a folding transport container according to an embodiment will be described.

  As shown in FIG. 1 and FIG. 2, the collapsible transport container of one embodiment includes a bottom plate 1 having a rectangular plate shape, an opening frame 2 having a rectangular frame shape located above the bottom plate 1, a bottom plate 1 and an opening frame 2, a pair of rocking plates 3 attached between the bottom plate 1, the pair of bending plates 4 attached between the bottom plate 1 and the mouth frame 2, and a pair of opening and closing the opening 20 formed in the mouth frame 2 A cover plate 5 is provided.

  The pair of rocking plates 3 mainly includes a main plate 31 made of synthetic resin. A connecting end 32 which is an upper edge portion (upper edge portion of the main plate 31) of each rocking plate 3 is rotatably connected to the mouth frame 2. An engagement end 33 which is a lower edge portion (a lower edge portion of the main plate 31) of each rocking plate 3 is detachably engaged with the bottom plate 1.

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

  Hereinafter, each configuration of the foldable transport container of one embodiment will be described in more detail.

(Bottom plate)
As shown in FIG. 3 and FIG. 4 etc., the bottom plate 1 is composed mainly of a bottom plate main body 11 made of synthetic resin and a plurality of engaging portions 13 provided on the peripheral portion of the bottom plate main body 11. And a plurality of connecting portions 15 provided in the peripheral portion of

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

  Each of the pair of long side portions 112 is provided with a plurality of connecting portions 15 and an outer side piece 16. The lower edge portion of the bending plate 4 is rotatably connected to the connecting portion 15. The outer side piece 16 is located outward of the plurality of connection parts 15.

(Mouth frame)
As shown in FIG. 5 etc., the mouth frame 2 has a pair of short side frames 21 to which the connection end 32 of the swing plate 3 is connected, and a pair of long sides to which the upper edge portion of the bending plate 4 is connected. The 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 the pair of short side frames 21 and the pair of long side frames 22 all around, and penetrates up and down.

  A part of the cover plate 5 is placed on the upper surface of the short side frame 21. Two protrusions 218 are formed on the upper surface of the short side frame 21 so as to project 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 plurality of connection portions 226.

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

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

  A plurality of connecting portions 322 rotatably connected to the short side frame 21 of the mouth frame 2 are integrally formed at the connecting end portion 32. The plurality of connection portions 322 are linearly spaced apart from each other.

  An engaging portion 335 is integrally formed with the engaging end portion 33 so as to be detachably engaged with the engaging portion 13 of the bottom plate 1 from the inner side. The engagement portion 335 is located at the center of the engagement end 33 in the longitudinal direction. The engagement portion 335 is formed with two engagement claws 337 for engaging with the engagement 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 (hand tip). The handle hole 35 penetrates in the thickness direction D <b> 1 of the main plate 31 at the upper portion of the main plate 31. The upper portion of the main plate 31 is, in other words, a portion of the main plate 31 closer to the connecting end 32. The thickness direction D1 of the main plate 31 is, in other words, the thickness direction of the rocking plate 3.

  The handle hole 35 is a laterally elongated through hole. The upper edge 351 of the handle hole 35 is formed so as to bulge in an arc toward the upper side (the direction approaching the connecting end 32) (see FIG. 9). The lower edge 353 of the handle hole 35 is formed in a straight line in the lateral direction. The upper edge 351 dimension in the thickness direction D1 is wider than the dimension of the lower edge 353 in the thickness direction D1 (see FIG. 8).

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

  When the main plate 31 is viewed in the thickness direction D 1, the finger hooking piece 36 is positioned to occupy the upper portion of the handle hole 35. Further, the finger hooking piece 36 is positioned outward of the lower edge 353 of the handle hole 35.

  The finger hooking piece 36 includes a vertical piece 361 that protrudes downward and a horizontal piece 363 that protrudes inward from a tip end portion of the vertical piece 361. The vertical pieces 361 and the horizontal pieces 363 are continuous in an L-shaped cross section. The portion of the vertical piece 361 where the horizontal piece 363 protrudes (portion on the side of the tip) is not limited to the tip of the vertical piece 361, and the horizontal piece 363 may protrude from a position above the tip. Absent.

  The longitudinal pieces 361 are formed so as to slightly bulge outward. The whole of the vertical piece 361 is smoothly expanded so that the portion closer to the center in the lateral direction is located more outward and the portion located on the lower side is more outward.

  When the main plate 31 is viewed in the thickness direction D1, the tip end portion of the vertical piece 361 is positioned in parallel with the lower edge portion 353 of the handle hole 35. The parallel terms used in the present text are not limited to strictly parallel terms, but also include substantially parallel terms. The end of the vertical piece 361 is located outward of the lower edge 353 of the handle hole 35.

  The cross piece 363 is formed in parallel with the lower edge 353 of the handle hole 35. The cross piece 363 is located outward of the lower edge 353 of the handle hole 35. The inward protrusion portion of the cross piece 363 is formed in a straight line in the lateral direction (see FIG. 9). The point of the crosspiece 363 is smoothly curved so that the cross section in the vertical direction has an arc shape (see FIG. 8). The dimension in the thickness direction D1 of the cross piece 363 is provided so as to be gradually wider toward the portion closer to the center in the lateral direction.

  Further, in order to prevent breakage of the finger hooking piece 36, the vertical piece 361 is formed thicker than the horizontal piece 363.

  Since the swinging plate 3 is provided with the above-mentioned holding hole 35 and the finger hooking piece 36, the user inserts his / her fingertip from the outside into the holding hole 35, bends the fingertip upward and sets the finger hooking piece It can be hooked to 36. The allowance at this time is secured by the dimension of the cross piece 363 in the thickness direction D1. In addition, the horizontal piece 363 is formed on the finger hook piece 36, whereby it is possible to suppress the pain from being felt when the user grips the finger hook piece 36.

  Furthermore, in the collapsible carrying container according to one embodiment, at both lateral end portions of the main plate 31, a curved portion 37 which curves so as to expand outward and a longitudinal rib 38 which protrudes outward are formed. , Formed in a straight line up and down. A space is formed between the curved portion 37 and the longitudinal rib 38 located inside the curved portion 37.

  The operation piece 34 is bridged between the curved portion 37 and the longitudinal rib 38 adjacent to each other. The operation piece 34 is located below the rocking plate 3.

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

  The user can hook his / her finger on each operation piece 34 and pull the swing plate 3 outward. Since each operation piece 34 bulges outward, it is possible to suppress the user from feeling pain at this time.

(Bent plate)
In FIG. 10, the bending plate 4 is shown disassembled.

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

  A plurality of connecting portions 412 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 portion 416 for rotatably connecting to the lower plate 42 are integrally formed on the lower edge portion (the edge portion on the side away from the opening frame 2) of the upper plate 41. . Further, at the lower edge portion of the upper plate 41, an inner piece 418 positioned inwardly of the hinge shaft 414 and the bearing portion 416 is integrally formed.

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

  A hinge shaft 424 and a bearing portion 426 for rotatably connecting to the upper plate 41 are integrally formed on an upper edge portion (an edge portion on the side away from the bottom plate 1) of the lower plate 42. 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 lower plate 42 and the upper plate 41 are bent inward in a V shape.

(Cover plate)
As shown in FIG. 1 and FIG. 2, the pair of cover plates 5 is rotatably attached to the mouth frame 2. Specifically, the pair of lid plates 5 is attached to the pair of long side frames 22 provided in the mouth frame 2 in a one-to-one manner.

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

  A plurality of connecting portions 51 are formed on one of the end edges of the pair of long sides included in the lid plate 5, and a thin plate-shaped 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 overlap portion 53 is a portion overlapping the overlap portion 53 of the other lid plate 5.

  Through holes 55 are formed at the end edge portions of the pair of short sides of the lid plate 5. When the lid plate 5 is in a posture for closing the opening 20, the protrusions 218 formed on the short side frames 21 of the mouth frame 2 fit into the corresponding through holes 55 one by one.

(The entire)
Since the foldable transport container of one embodiment has the above-described configurations, the work of switching from the folded state to the assembled state is efficient, with the opening 20 of the mouth frame 2 closed with the pair of lid plates 5. Be done.

  That is, when the opening 20 is closed, air does not flow from the opening 20 when the mouth frame 2 is lifted, but in the folding container of the embodiment, the handle holes 35 are provided in the respective swing plates 3. The through holes are formed, and air flows inward through the handle holes 35, so that each rocking plate 3 vigorously rotates outward.

  In the foldable transport container of one embodiment, from the folded state in which the opening 20 is closed by the pair of lid plates 5, the assembly operation can be easily completed by a series of operations described below.

  As shown in FIG. 11 (the mouth frame 2 and the pair of swinging plates 3 only), in the folded state, the pair of swinging plates 3 are accommodated in a posture rotated inward. Here, as shown by an imaginary line in the figure, the user inserts a fingertip under the short side frame 21 on both sides of the mouth frame 2 and bends the fingertip so that the finger hooking piece 36 of the holding hole 35 Hang on.

  Next, while lifting the entire mouth frame 2, the finger hooks 36 are rotated outward with the short side frames 21 on both sides as pivots, whereby the rocking plates 3 on both sides are rotated outward with their own weight. At this time, since air flows inward through the handle holes 35, each rocking plate 3 is vigorously rotated. By this force, each rocking plate 3 can be engaged with the bottom plate 1 by subsequently pulling the finger hooking piece 36 outward.

  If each rocking plate 3 does not properly engage with the bottom plate 1, the user may hold his / her fingertip on the lower edge 353 of the hand hole 35 and pull it strongly outward. Further, it is also possible to hook the 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 the respective swinging plates are made as in the prior art. The assembling operation can be efficiently completed without the need to push in 3 from the inside.

[Modification]
Hereinafter, foldable conveyance containers of various modifications will be described.

  The basic configuration of the foldable transport container of each modification is the same as the configuration of the foldable transport container of the one embodiment described above. In the following, the same components as those of the foldable transport container of the embodiment are denoted by the same reference numerals and the detailed description thereof is omitted.

  FIG. 12 shows the main part of the foldable transport container of the first modification. The cross section shown in FIG. 12 is a cross section of a portion corresponding to FIG. 8 of the collapsible carrying container of one embodiment.

  In the foldable conveyance container of the first modification, the horizontal piece 363 of the finger hook piece 36 protrudes outward from the tip end portion of the vertical piece 361.

  Also in this modification, the user can insert a fingertip into the holding hole 35, bend the fingertip and hook it on the finger hook piece 36, and the lateral piece 363 secures the hook allowance. In addition, it is possible to provide both of the finger hooking piece 36 projecting inward from the tip side portion of the vertical piece 361 and the finger hooking piece 36 projecting outward from the tip side portion is there.

  FIG. 13 shows the main part of the foldable transport container of the second modification. The cross section shown in FIG. 13 is a cross section of a portion corresponding to FIG. 8 of the collapsible carrying container of one embodiment.

  In the foldable transport container of the second modification, one or more projections 365 project downward from the tip end surface of the vertical piece 361.

  Also in this modification, the user can insert a fingertip into the holding hole 35, bend the fingertip and hook it on the finger hook piece 36, and the presence of the protrusion 365 makes the fingertip easy to be hooked.

  FIG. 14 shows the main part of the foldable transport container of the third modification. The cross section shown in FIG. 14 is a cross section of a portion corresponding to FIG. 8 of the collapsible carrying container of one embodiment.

  In the foldable transport container of the third modification, the finger hook piece 36 protrudes downward from a part of the upper edge 351 of the handle hole 35 on the inner side in the thickness direction D1. The finger hooking piece 36 is composed of a vertical piece 361 that protrudes downward, and does not include the horizontal piece 363 as shown in FIG. 8.

  Also in this modification, the user can insert a fingertip into the holding hole 35, bend the fingertip, and hook it on the finger hook piece 36.

  In addition, each structure of the foldable conveyance container of one Embodiment can be changed suitably.

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

[Function effect]
As understood from the description of the above-described embodiment and the modification thereof, the foldable carrying container of the first embodiment includes the bottom plate 1, the opening frame 2, the pair of swinging plates 3, and the pair of bending plates , And the cover plate 5. The mouth frame 2 is located above the bottom plate 1 and has an opening 20 penetrating vertically. The pair of rocking plates 3 is rotatably connected to the mouth frame 2. The pair of bending plates 4 is 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 a connection end 32, a handle hole 35, and a finger hook 36. The connection end 32 is rotatably connected to the mouth frame 2. The handle hole 35 penetrates in the thickness direction D1 of the rocking plate 3 and can insert a fingertip. The finger hooking piece 36 is provided at a portion close to the connection end 32 of the handle hole 35, and can catch a finger.

  According to the collapsible carrying container of the first embodiment, when the mouth frame 2 in the folded state is lifted with the opening 20 of the mouth frame 2 closed by the lid plate 5, the handle holes 35 of the respective swinging plates 3 are obtained. Since the air flows in through each of the rocking plates 3, each rocking plate 3 rotates vigorously.

  Here, in a state where the user hooks his / her finger tip on the finger hooking piece 36, if each swinging plate 3 is vigorously rotated outward while lifting up the mouth frame 2, assembling work can be easily performed by a series of operations. It is possible to complete.

  Therefore, according to the collapsible carrying container of the first embodiment, the operation of switching from the folded state to the assembled state is efficiently performed while the opening 20 of the mouth frame 2 is closed by the lid plate 5.

  In the first form, the finger-hooking piece 36 includes a longitudinal piece 361 and a lateral piece 363 in the second form. The vertical piece 361 protrudes in the direction 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 aspect of the collapsible carrying container, the crosspiece 363 further secures the hooking margin of the finger, so that the assembling operation can be performed more efficiently.

DESCRIPTION OF SYMBOLS 1 bottom plate 2 opening frame 20 opening part 3 rocking plate 35 handle hole 32 connecting end 35 handle hole 36 finger hook piece 361 vertical piece 363 horizontal piece 4 bending plate 5 lid plate

Claims (2)

Bottom plate,
A mouth frame located above the bottom plate and formed with 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;
A cover plate for opening and closing the opening of the mouth frame;
The rocking plate is
A connecting end rotatably connected to the mouth frame;
A handle hole which penetrates in the thickness direction of the rocking plate and into which a fingertip can be inserted;
A foldable carrying container, comprising a finger hook provided at a portion close to the connection end of the handle hole and capable of hooking the fingertip. The finger hook piece is
The foldable transportable container according to claim 1, further comprising a longitudinal piece projecting in a direction away from the connection end and a lateral piece projecting from a portion on the tip side of the longitudinal piece.

Images