JP2007118984A - Transport container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a transport container designed to improve transport efficiency and work efficiency when the container is returned. <P>SOLUTION: In this transport container 10, first movable parts 12 and second movable parts 22 are kept upright in position on a foundation box 40 during transport in order to protect the contents. To return the transport container 10, the second movable parts 22 are brought into an outward lying position whereas the first movable parts 12 are brought into an inward lying position, this reduces the height of the transport container 10 and saves it space, thus leading to improved efficiency in transport for return. In this case, the first movable parts 12 are positioned to enclose an opening at the top of the foundation box 40 in order to ensure an accommodating space within the foundation box 40. Thus, cushioning members 61 and 62 accommodated and brought along with the contents and other objects required to be returned are accommodated in this accommodating space and returned together with the transport container 10. This improves efficiency in work for returning the container, etc. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a foldable transport container.

Conventionally, as this type of transport container, a container in which one side wall is divided into two vertically and connected by a hinge is known. In this transport container, the movable part above the hinge can be folded on the outer surface of the lower fixed part, and the cargo can be taken in and out from the side (for example, see Patent Document 1).
Japanese Utility Model Publication No. 4-65733 (2nd page, 5th line to 3rd page, last line, Fig. 4)

  However, in the above-described conventional transport container, when returning in an empty state, the same space as the state in which the package is accommodated is required, and thus the transport efficiency at the time of return is poor. On the other hand, there is known a transport container that can be folded with all the side walls stacked on the bottom surface. However, in this transport container, it is not possible to store the returned items such as cushioning materials that have been stored with the luggage in a folded state, so it is necessary to organize the returned items separately from the transport container. Work efficiency was getting worse.

  This invention is made | formed in view of the said situation, and aims at provision of the conveyance container which can improve the conveyance efficiency and work efficiency at the time of return.

In order to achieve the above object, a transport container according to the first aspect of the present invention includes a pair of first side walls opposed in a horizontal first direction, and a pair of first side walls opposed in a horizontal second direction orthogonal to the horizontal first direction. A box-shaped transfer container in which the second side wall of the pair stands upright from the bottom wall, and the first side wall and the second side wall are all divided into two in the vertical direction, and the divided parts are connected by hinges, A base box portion is configured by fixing a lower portion of each hinge in an upright state from the bottom wall, a first movable portion above the hinge among the first side walls, and a second above the hinge among the second side walls. A movable part coupling mechanism is provided that connects the movable parts to each other in an upright posture standing upward from the base box part, and the second movable part is rotated outward while the connection by the movable part coupling mechanism is released. And can be folded on the outer surface of the foundation box. By rotating the moving parts inside the can close the upper opening of the basic box section, characterized in place of providing the closed position stopper for positioning the first movable part in the closed position of closing the upper opening.
The present invention includes both a metal transport container and a synthetic resin transport container.

  According to a second aspect of the present invention, in the transport container according to the first aspect, the movable portion coupling mechanism includes a coupling protrusion protruding from the first movable portion in the horizontal second direction, and a coupling formed through the coupling protrusion. It is composed of a joint hole and a flange member that is supported by the second movable portion so as to be linearly movable and can be inserted into the engagement hole of the connection projection piece. The connection projection piece can be brought into contact with the upper end portion of the foundation box portion. Thus, it is also characterized by being used as a closing position stopper.

  According to a third aspect of the present invention, in the transport container according to the first or second aspect, the first movable portion is held in a standing posture and the holding is released when the first movable portion is pushed inward with a predetermined force or more. It is characterized by having a standing posture holding mechanism.

  According to a fourth aspect of the present invention, in the transport container according to the third aspect, the standing posture holding mechanism protrudes upward from the base box portion, and has a flexible protrusion having an engagement protrusion at a position near the tip, and the first movable member. It is characterized in that it is composed of a rotating protrusion that protrudes from the part and bends the flexible protrusion when the first rotating part rotates to overcome the engaging protrusion.

[Invention of Claim 1]
In the transport container according to the first aspect, during the transport, the first movable portion and the second movable portion are raised on the foundation box portion to protect the luggage. When returning the transport container, the second movable part is tilted outward while the first movable part is tilted inward. Thereby, a conveyance container becomes low and space-saving is achieved and the conveyance efficiency at the time of return improves. At this time, the first movable portion is positioned at a closed position where the upper surface opening of the foundation box portion is blocked, and an accommodation space is secured in the foundation box portion. Thereby, the cushioning material and other return items accommodated together with the luggage can be accommodated in the accommodation space and returned together with the transport container, and work efficiency at the time of return is improved.

[Invention of claim 2]
According to the configuration of the second aspect, since the connecting protrusion for connecting the first movable portion and the second movable portion is also used as the closing position stopper, the configuration is compared with the case where these are provided separately. Simplified.

[Inventions of Claims 3 and 4]
According to the structure of Claim 3, a 2nd movable part can be folded and only a 1st movable part can be hold | maintained in a standing posture by a standing posture holding mechanism. The first movable part can be pushed and folded with a predetermined force or more. Specifically, as in the configuration of claim 4, the standing posture holding mechanism protrudes upward from the base box part and protrudes from the first movable part and a flexible protrusion having an engagement protrusion at a position near the tip. When the first movable portion is rotated, the flexible protruding piece can be bent to overcome the engaging protrusion, and the rotating protrusion can be used.

Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
As shown in FIG. 1, the transport container 10 of the present embodiment has a box shape with an open upper surface, and has a rectangular planar shape. And a pair of 1st side walls 11 and 11 oppose in the horizontal 1st direction H1 parallel to the long side of the rectangle, and a pair of 2nd side walls 21 and 21 are in the horizontal 2nd direction H2 parallel to a short side. Opposite.

  The pair of first side walls 11 and 11 are both divided into a first movable part 12 and a first fixed part 13 at a substantially center in the vertical direction, and the first movable part 12 and the first fixed part 13 are hinged. 14 are connected. Similarly, the pair of second side walls 21, 21 are both divided into a second movable part 22 and a second fixed part 23 at approximately the center in the vertical direction, and the second movable part 22 and the second fixed part 23 are divided. Are connected by a hinge 24. And the 1st fixing | fixed part 13 below the hinge 14 among both the 1st side walls 11, and the 2nd fixing | fixed part 23 below the hinge 24 among both the 2nd side walls 21 are the bottom walls 30 (refer FIG. 2). The base box portion 40 is constructed by being welded in an upright state.

  The first side wall 11 and the second side wall 21 have a structure in which a metal mesh is stretched over the iron frames 12W, 13W, 22W, and 23W, and the bottom wall 30 has a structure (not shown) in which iron materials are joined in a lattice shape. ing. Specifically, as shown in FIG. 1, the iron frame 13 </ b> W provided in the first fixing portion 13 has a rectangular shape and includes auxiliary pillars 13 </ b> B and 13 </ b> B at positions close to both lateral ends. A wire mesh 13C is stretched over the entire area surrounded by the iron frame 13W. Further, bulky members 13K and 13K are welded to both ends of the top surface of the iron frame 13W, and the top surfaces of the bulky members 13K and 13K are flush with the top surface of the steel frame 23W of the second fixing portion 23. Yes.

  The iron frame 12W provided in the first movable portion 12 is similarly rectangular and includes auxiliary pillars 12B and 12B at positions near both ends in the lateral direction, and a wire mesh 12C is stretched over the entire region surrounded by the iron frame 12W. . A hanging member 12K is welded to the center of the lower surface of the iron frame 12W, and the hanging member 12K is disposed between the bulky members 13K and 13K.

  The hinges 14 are provided in pairs at both ends of the first movable portion 12 in the longitudinal direction of the hanging member 12K. As shown in FIG. 4, each hinge 14 is a hinge provided with a pair of mounting plates 14 </ b> A and 14 </ b> A, and these mounting plates 14 </ b> A and 14 </ b> A are the inner surfaces of the edges of the first movable portion 12 and the first fixed portion 13. It is fixed to. And the rotation to the inner side of the 1st movable part 12 is permitted. When the first movable portion 12 is erected, the lower surface of the first movable portion 12 (see 12S in FIG. 4) and the upper surface of the first fixed portion 13 (see FIG. 4) at both lateral ends of the first side wall 11. 4 (see reference numeral 13S of FIG. 4) in the up-down direction or in contact with each other, thereby restricting the first movable portion 12 from rotating outward. It should be noted that the hinge 14 itself also has a structure that does not rotate to the outside of the base box portion 40 from the state in which the mounting plates 14A, 14A are opened 180 degrees.

  As shown in FIG. 1, a standing posture holding mechanism 15 is provided between the first movable portion 12 and the first fixed portion 13 at a position between the hinges 14 and 14. The standing posture holding mechanism 15 includes a flexible protrusion 16 that protrudes upward from the upper surface of the base box portion 40, and a rotating protrusion 17 that protrudes from the lower surface of the first movable portion 12. As shown in FIG. 4, the flexible projecting piece 16 is welded to the outer surface of the upper edge portion of the base box portion 40 and projects upward in the form of a cantilever plate, and a wire having a circular cross section is welded to the inner surface of the tip portion. Thus, an engaging protrusion 16A is formed. On the other hand, the rotating projection 17 is formed by bending a wire having a circular cross section into a U shape and welding both ends thereof to the lower surface of the first movable portion 12. And as shown in FIG. 5, it arrange | positions so that a part of engaging protrusion 16A may interfere in the rotation area of the front-end | tip part of the rotation protrusion 17. As shown in FIG.

  With this configuration, when the first movable portion 12 rotates, the rotating protrusion 17 and the engaging protrusion 16A of the flexible protrusion 16 slide to bend the flexible protrusion 16. When the first movable portion 12 is in the upright posture, the rotating protrusion 17 gets over the engaging protrusion 16A, the flexible protruding piece 16 is restored, and the rotating protrusion 17 is below the engaging protrusion 16A. Engage side. Thereby, the 1st movable part 12 is hold | maintained at a standing posture. When the first movable portion 12 is pushed inward with a predetermined force or more, the flexible protrusion 16 is bent and the engagement is released.

  As shown in FIG. 2, the connecting protrusion 18 protrudes in the horizontal second direction H <b> 2 from both side surfaces of the upper end portion of the first movable portion 12. The connecting projecting piece 18 stands upright from the side surface of the first movable portion 12 with the plate thickness direction oriented in the horizontal direction, and the tip portion is semicircular. In addition, an engagement hole 18A is formed through the connecting protrusion 18 in the horizontal direction.

  As shown in FIG. 1, the iron frame 22 </ b> W provided in the second movable portion 22 has a rectangular shape and includes an auxiliary pillar 22 </ b> B in the center in the horizontal direction. A wire mesh 22C is stretched over the entire area surrounded by the iron frame 22W. The iron frame 23W provided in the second fixing portion 23 has a rectangular shape as a whole, and a central recess 23E is formed by bending the center of the upper side into a square U shape. In addition, an auxiliary column 23B is provided below the central recess 23E, like the second movable portion 22. A wire mesh 23C is stretched over the entire area surrounded by the iron frame 23W.

  The hinges 24 are provided in pairs at positions near both ends in the lateral direction of the second side wall 21. Each hinge 24 is a hinge provided with a pair of attachment plates 24A, 24A, and the attachment plates 24A, 24A are fixed to the outer peripheral surfaces of the second movable portion 22 and the second fixed portion 23. Then, the second movable part 22 can be rotated outward and overlapped on the outer surface of the second fixed part 23 as shown in FIG. Further, when the second movable portion 22 is raised (see FIG. 1), the lower surface of the second movable portion 22 and the upper surface of the second fixed portion 23 are adjacent to or contact each other in the vertical direction. Is regulated so as not to rotate inward. The hinge 24 itself is also structured not to rotate inside the base box 40 from the state where the mounting plates 24A, 24A are opened 180 degrees.

  At the upper end of the second movable portion 22, as shown in FIG. 6, a vertically long slit 25A is formed in a rectangular tube-shaped welded steel (hereinafter referred to as “square tube steel 22K”) that constitutes the iron frame 22W. . And if the 2nd movable part 22 is raised after making the 1st movable part 12 into a standing posture, as shown in FIG. 7, the connection protrusion 18 will be inserted in the square tube steel 22K through the slit 25A. In this state, a round hole 25B is formed through the wall portion of the square tube steel 22K that faces the engagement hole 18A of the connecting projection piece 18.

  As shown in FIG. 1, reinforcing plates 26 are welded to the iron frame 22 </ b> W at both corners on the distal end side of the second movable portion 22. Further, as shown in FIG. 6, a cylindrical base 27 is fixed on the outer surface of each reinforcing plate 26 on the concentric shaft of the round hole 25B, and a collar member 28 is supported on the cylindrical base 27 so as to be capable of linear movement. Yes.

  The cylindrical base 27 has cylindrical portions 27A and 27A at both ends, and an open portion 27B in which the space between the cylindrical portions 27A and 27A is opened to the side. In addition, a movement restricting portion 27C having a narrow width is provided at an intermediate portion in the longitudinal direction of the cylindrical base 27 in the open portion 27B.

  The flange member 28 has a structure in which one end of a round bar extending on the concentric axis of the round hole 25B is bent to provide a handle portion 28H, and a portion extending in the horizontal direction is supported by the cylindrical base 27. A locking pin 28A is erected from a portion of the flange member 28 corresponding to the opening 27B. Here, the locking pin 28A is disposed at a position shifted from the movement restricting portion 27C in a state where the handle portion 28H is tilted toward the wire mesh 22C, and when the handle portion 28H is raised from the wire mesh 22C, the locking pin 28A moves. It will be in the state which opposed 27 C of control parts. When the eaves member 28 is directly moved in this state, the locking pin 28A can pass through the movement restricting portion 27C and move between both ends in the longitudinal direction of the opening portion 27B. A disk body 28B is fixed to the tip of the locking pin 28A.

  In the present embodiment, the movable projection coupling mechanism 29 according to the present invention is constituted by the coupling projection piece 18 including the engagement hole 18A and the flange member 28. Then, when the flange member 28 is moved to one end side from the movement restricting portion 27 </ b> C in the cylindrical base 27, the flange member 28 enters the round hole 25 </ b> B and penetrates the engagement hole 18 </ b> A of the connecting protrusion 18. Thereby, the 1st movable part 12 and the 2nd movable part 22 are mutually connected. Further, when the eaves member 28 is moved to the other end side from the movement restricting portion 27C in the cylindrical base 27, the eaves member 28 comes out of the engagement hole 18A and the round hole 25B, and the first movable portion 12 and the second movable portion. The connection with 22 is released. Further, as shown in FIG. 3, when the first movable portion 12 is tilted inward with the second movable portion 22 folded outward, the connecting protrusion 18 is placed on the bottom of the central recess 23 </ b> E in the second fixed portion 23. Abut. Thereby, the 1st movable part 12 is positioned in the obstruction | occlusion position which obstruct | occluded the upper surface of the foundation box part 40. FIG. That is, in this embodiment, the connecting protrusion 18 for connecting the first movable part 12 and the second movable part 22 is also used as a closed position stopper for positioning the first movable part 12 at the closed position. The configuration is simplified compared to the case where these are provided separately.

  As shown in FIG. 1, groove-shaped leg portions 41 are provided at the four corners of the lower surface of the base box portion 40, respectively. The groove-shaped leg portion 41 has a groove-shaped structure opened downward and opened in the horizontal second direction H2. Then, as shown in FIG. 8, when the first movable part 12 and the second movable part 22 are folded, the upper transport container 10 is stacked on the base box part 40 of the transport container 10 with another transport container 10 stacked thereon. The groove-shaped leg portion 41 provided in the state is in a state of receiving the bulky members 13K, 13K in the lower base box portion 40. As a result, the upper transport container 10 is locked to the lower transport container 10 in the first horizontal direction H1. Further, as shown in an enlarged view in FIG. 9, the groove-shaped leg portion 41 of the upper transport container 10 is adjacent to the second fixing portion 23 in the lower transport container 10 in the horizontal second direction H2. As a result, the upper transport container 10 is locked to the lower transport container 10 in the second horizontal direction H2.

  This completes the description of the configuration of the transport container 10 of the present embodiment. Next, operations and effects of the transport container 10 of the present embodiment will be described.

  When storing the cargo in the transport container 10, as shown in FIG. 2, the second movable parts 22, 22 are folded outward and the first movable parts 12, 12 are held in the standing posture by the standing posture holding mechanism 15. To the state. Then, the packages are stacked in the base box 40.

  Specifically, when transporting the casting product 60 shown in FIG. 10 as a load, a sheet-like cushioning material 61 is laid on the bottom surface of the base box 40, and the casting product 60 and the partitioning cushion are placed thereon. The materials 62 are alternately arranged. Then, after arranging a plurality of casting products 60 and partitioning cushioning material 62 on the entire cushioning material 61, the sheet-like cushioning material 61 is laid so as to cover them from above, and the same operation is repeated thereafter to form the first movable part. A plurality of casting products 60 and buffer materials 61 and 62 are stacked up to the upper end position of 12.

  Next, as shown in FIG. 11, both the second movable parts 22, 22 are turned to the upright posture. Then, as shown in FIG. 7, the connecting projecting piece 18 provided in the first movable part 12 enters the square tube steel 22 </ b> K constituting the second movable part 22 through the slit 25 </ b> A provided in the second movable part 22. storm in. In this state, the flange member 28 is inserted into the engagement hole 18 </ b> A of the connection protrusion 18 to connect the first movable portion 12 and the second movable portion 22. Then, the transfer container 10 is mounted on a vehicle and transferred.

  In order to drop the load from the base box 40 at the transport destination, the hook member 28 is removed from the engagement hole 18A of the connecting protrusion 18 and, as shown in FIG. Fold over the outer surface of the fixing portion 23. In this state, the casting product 60 and the buffer materials 61 and 62 in the transport container 10 are lowered. Then, only the cushioning materials 61 and 62 are returned into the foundation box 40. At this time, the cushioning materials 61 and 62 are gathered together so as to fill the space from which the cast product 60 is removed, so that the cushioning materials 61 and 62 can all be accommodated in the base box portion 40.

  Next, the first movable parts 12 and 12 are rotated inward. For this purpose, it is only necessary to push the first movable part 12 inward with a predetermined force or more. Then, the engagement between the rotation protrusion 17 provided in the first movable part 12 and the engagement protrusion 16A of the flexible protrusion 16 provided in the first fixed part 13 is released, and the first movable part 12 is moved to the inner side. Rotate freely. And if the 1st movable part 12 rotates to the position which obstruct | occluded the foundation box part 40, the connection protrusion 18 will contact | abut to the bottom part of the center recessed part 23E in the 2nd fixing | fixed part 23, and the 1st movable part 12 will be a foundation box part. It is positioned at a closed position where the upper surface of 40 is closed. Thereby, while the conveyance container 10 becomes low, the buffer materials 61 and 62 in the foundation box part 40 are covered and protected by the first movable parts 12 and 12 above.

  Next, as shown in FIG. 8, a plurality of folded transport containers 10 are stacked and mounted on a vehicle or the like and returned. At this time, the grooved leg portion 41 provided on the lower surface of the upper transport container 10 is stored in the upper edge portion (specifically, the bulking member 13K) of the base box portion 40 in the lower transport container 10. Accordingly, the groove-shaped leg portion 41 of the upper transport container 10 is locked in both the horizontal first direction H1 and the horizontal second direction H2 with respect to the lower transport container 10 and is subjected to rolling during transport. However, the upper and lower transport containers 10 and 10 are not displaced from each other.

  As described above, according to the transport container 10 of the present embodiment, it is possible to protect the luggage by raising the first movable part 12 and the second movable part 22 on the foundation box part 40 during the transport. When returning the transport container 10, the second movable part 22 is tilted outward while the first movable part 12 is tilted inward, so that the transport container 10 is lowered and space saving is achieved. The conveyance efficiency at the time improves. At this time, the first movable portion 12 is positioned at a closed position where the upper surface opening of the foundation box portion 40 is blocked, and an accommodation space is secured in the foundation box portion 40. As a result, the cushioning materials 61 and 62 and other return items accommodated together with the luggage can be accommodated in the accommodation space and returned together with the transport container 10, and work efficiency at the time of return is improved.

[Other Embodiments]
The present invention is not limited to the above-described embodiment. For example, the embodiments described below are also included in the technical scope of the present invention, and various other than the following can be made without departing from the scope of the invention. It can be changed and implemented.

  (1) In the said embodiment, although the 1st fixing | fixed part 13 and the 2nd fixing | fixed part 23 which comprise the foundation box part 40 were welded in the state which stood up from the bottom wall 30, for example, one 2nd movable part 22 is attached. It may be configured to be rotatable with respect to the bottom wall 30 and may be fixed in an upright posture by a predetermined fixing means. According to this configuration, one side of the transport container 10 is fully opened, and the loading / unloading operation can be performed more easily.

  (2) Although the transfer container 10 is made of iron, it may be made of synthetic resin.

The perspective view of the conveyance container which concerns on one Embodiment of this invention The perspective view of the conveyance container of the state which folded the 2nd movable part The perspective view of the conveyance container of the state which folded the 1st movable part and the 2nd movable part Perspective view of standing posture holding mechanism Side sectional view of standing posture holding mechanism Front view of moving part connection mechanism Cross section of moving part connecting mechanism Perspective view of transport containers stacked Perspective view of channel leg The perspective view of the conveyance container of the state which folded the 2nd movable part and accommodated the load Perspective view of the transport container with luggage

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Transfer container 11 1st side wall 12 1st movable part 14, 24 Hinge 15 Standing posture holding mechanism 16 Flexible protrusion 16A Engagement protrusion 17 Rotation protrusion 18 Connection protrusion 18A Engagement hole 21 2nd side wall 22 2nd Movable part 28 閂 member 29 Movable part coupling mechanism 30 Bottom wall 40 Foundation box part 60 Casting product (luggage)
61, 62 Buffer material H1 Horizontal first direction H2 Horizontal second direction

Claims (4)

A pair of transport containers in which a pair of first side walls opposed in a horizontal first direction and a pair of second side walls opposed in a horizontal second direction orthogonal to the horizontal first direction are made upright from the bottom wall into a box shape Because
The first side wall and the second side wall are all divided into two in the vertical direction, the divided parts are connected by hinges, and the lower part of each hinge is fixed in an upright state from the bottom wall to fix the base box part Configure
The first movable part above the hinge in the first side wall and the second movable part above the hinge in the second side wall are both connected to each other in an upright posture standing upward from the base box part. A movable portion coupling mechanism that is configured to be pivotable on the outer surface of the base box portion by rotating the second movable portion outward in a state where the coupling by the movable portion coupling mechanism is released. The conveyance is characterized in that the movable part is turned inward so that the upper surface opening of the foundation box part can be closed, and a closing position stopper for positioning the first movable part is provided at the closing position where the upper surface opening is closed. container. The movable part coupling mechanism includes a coupling protrusion protruding from the first movable part in the horizontal second direction,
An engagement hole formed through the connection protrusion;
It is supported by the second movable part so as to be able to move linearly, and comprises a flange member that can be inserted into the engagement hole of the connecting projection piece,
2. The transport container according to claim 1, wherein the connection projecting piece is configured to be able to abut on an upper end portion of the base box portion and also serves as the closing position stopper.   2. A standing posture holding mechanism that holds the first movable portion in the standing posture and releases the holding when the first movable portion is pushed inward with a predetermined force or more. Or the conveyance container of 2. The standing posture holding mechanism is
A flexible projecting piece protruding upward from the base box part and having an engaging projection at a position near the tip;
A rotating protrusion that protrudes from the first movable part and bends the flexible protrusion when the first rotating part rotates to overcome the engaging protrusion. Item 4. The transport container according to Item 3.

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