JP2007238154A - Returnable case for container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a returnable case for a container capable of storing a baggage by coping with its various height by varying the height of the case. <P>SOLUTION: The returnable case 10 is equipped with a pallet 7, a rectangular frame 1 which is installed on the pallet in one stage or a plurality of stages to form a space storing the baggage, and a corner metal fitting 8. The rectangular frame 1 has a connection structure by hinges 4, 5, a short side frame 3 is folded and bent inward to the long side frame 2 freely formed at an intermediate position, and held by engaging a stopper 6 which is provided on the lower part of the rectangular frame 1 and projected to the lower direction with the pallet 7 having a laminated rectangular frame or the outer surface of the lower rectangular frame. The corner metal fitting 8 has two engaging projection 8a opened to the lower direction on the lower surface, and mounted by fitting the projection to the long side or the short side frames at the corner part of the rectangular frame 1 at the uppermost stage. A pressing piece 8b pressing the corner part end surface of the lid plate 9 placed on the metal fitting or the pallet of the laminated case is provided on the upper surface of the metal fitting 8. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a case used for storing luggage and loading it in a shipping container, and more particularly to a returnable case for containers in which the storage space in the height direction of the case is variable.

  2. Description of the Related Art Conventionally, when luggage is loaded and transported in a container, a foldable returnable case is used to load many kinds of luggage into the container. In this returnable case, luggage is stored in the case, loaded in a container, transported to the intended destination by the container, the case is unloaded from the container at the destination, the luggage is unloaded, and the empty case is folded. It is used in such a way that it can be folded and packed into a container and returned to the shipping source.

  Conventionally, as a foldable returnable case, the lower end of the long side frame of the pallet (skid) is bolted to the plate along the long side direction of the corner guide fixed to the four corners of the pallet, and the upper end of the short side frame There has been proposed a method in which a portion is bolted to a plate portion along a short side direction of a corner guide fixed to an upper end portion of a long side frame (see, for example, Patent Document 1).

By the way, in order to always store the same type of luggage, it is sufficient to prepare a returnable case of its own height. However, when handling various types of luggage of different heights, the case proposed above can be used. Can not.
JP 07-277330 A

  In view of the above situation, the object of the present invention is to provide a returnable case for containers that can accommodate various types of luggage with different heights by making the height of the case variable. is there.

  In order to solve the above problems, the container returnable case of the present invention includes a pallet, a rectangular frame that is installed on the pallet in one or more stages to form a space for storing luggage, and, if necessary, the case. The corner frame is mounted on the four corners of the upper rectangular frame, and the rectangular frame is formed such that the short side can be bent inward with respect to the long side at the intermediate position, and the rectangular frame The corner metal fitting is held by engaging a downward projecting stopper provided at the lower part of the frame with the pallet on which the rectangular frames are stacked or the outer surface of the lower rectangular frame. And has two downward engaging projections that are perpendicular to each other and open downward on the lower surface, and the engaging projections are arranged at the corners of the uppermost rectangular frame. Side and short side When the cover plate is placed on the case or when the case is stacked, the presser piece presses the corner end face of the placed cover plate or the pallet of the stacked case. It is characterized by that.

  According to the present invention, a returnable case is constructed from a pallet and a rectangular frame installed in one or more stages on the pallet, and the height of the case is made variable by changing the number of installation stages of the rectangular frame. Baggage can be stored by dealing with baggage of various heights. And since the rectangular frame can be folded with the short side inside, after unloading the case from the container at the transportation destination and taking out the luggage, the folded rectangular frame is placed on the pallet, loaded on the container and returned be able to.

  Further, the corner fittings are not necessarily attached to the four corners of the uppermost rectangular frame of the case. However, the attachment can increase the strength and stability of the shape of the uppermost rectangular frame and the case as a whole. In addition, depending on the type of luggage stored in the case, there is a risk of damage to the luggage when falling objects from the upper end opening in the case. In that case, cover the plywood etc. as a cover plate. It is preferable to close the opening at the upper end. However, if a corner bracket is attached, the upper end opening can be easily blocked by placing a cover plate such as a plywood plate on the corner bracket, and at the same time, a pressing piece on the corner bracket can be used. It is possible to prevent the cover plate from shifting due to vibration during transportation. The case itself can be stacked in a plurality of stages, but if corner fittings are provided, it is only necessary to place the laminated case on the corner fittings, so that the case stacking operation by a forklift or the like can be easily performed. it can. Similarly, the corner metal holding pieces can prevent the stacked cases from being displaced by vibration during transportation.

  According to the returnable case of the present invention, the height of the case is made variable by changing the number of installation steps of the rectangular frame to be installed on the pallet, so that the baggage can be stored in response to various heights of the baggage. .

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing components in an embodiment of the returnable case for containers of the present invention. As shown in FIG. 1, the returnable case of the present embodiment includes a rectangular frame 1 (FIG. 1A), a pallet 7 (FIG. 1B), and a corner fitting 8 (FIG. 1C). It is a component. Then, as shown in FIG. 4 (b), the rectangular frame 1 is installed on the pallet 7 in a desired number of one or more stages to form a returnable case 10, and if necessary, the four corners of the uppermost rectangular frame 1 are arranged. The corner metal fitting 8 is attached to and used.

  As shown in FIG. 1A, the rectangular frame 1 is a low-profile frame made of an iron frame and has dimensions of, for example, a length of 2050 mm, a width of 620 mm, and a height of 230 mm. The long-side frame 2 of the rectangular frame 1 connects the ends of the upper and lower cross members 2a with short vertical members 2b, and further longitudinally reinforces them at two points that divide the longitudinal direction of the upper and lower cross members 2a at equal intervals. They are connected by a material 2c. The short-side frame 3 of the rectangular frame 1 is composed of two divided frame pieces 3A, and each frame piece 3A is formed by connecting the ends of upper and lower horizontal members 3a with a short vertical member 3b.

  As shown in FIG. 2 (a), the frame pieces 3A of the short side frame 3 are welded with hinges 4 at two locations in the vertical direction on the outer surface of the opposite end portions so as to be rotatable inward. It is connected. Further, as shown in FIG. 2 (b), hinges 5 are provided at two locations in the vertical direction on the end face of the other end of each frame piece 3A and the end face of the one end of the long side frame 2 facing this at an angle of 90 °. The frame piece 3A is connected to the long side frame 2 so as to be rotatable inward. Thus, the rectangular frame 1 is formed so that the short side frame 3 can be bent inward with respect to the long side frame 2 at an intermediate position as shown in FIG. 5A, as shown in FIG. 5B. In addition, the frame can be folded in a flat form in which two short side frames 3 obtained by folding two frame pieces 3A are arranged in a longitudinal direction between a pair of long side frames 2 and sandwiched.

  Positions close to the corners of the rectangular frame 1 on the outer surfaces of the horizontal members 2a below the rectangular frame 1, that is, the horizontal members 2a below the long side frame 2 and the frame pieces 3A of the short side frames 3 Further, an iron stopper 6 protruding downward is provided by welding, and in the short side frame 3, a stopper 6 is additionally provided adjacent to one frame piece 3A and the other frame piece 3A. ing. These stoppers 6 are for engaging the rectangular frame 1 with the lower pallet 7 or the rectangular frame 1 and placing the rectangular frame 1 on the pallet 7 in one or more stages.

As shown in FIG. 1 (b), the pallet 7 includes a lower floor plate 7a that contacts the floor, an upper floor plate 7b spaced apart from the floor, ribs 7c interposed at corners of the floor plates 7a and 7b, and a floor plate. It consists of a reinforcing material 7d inserted vertically and horizontally in the middle between 7a and 7b.

  The rectangular frame 1 is placed on the pallet 7 and the stopper 6 of the rectangular frame 1 is placed on the peripheral end surface of the upper floor plate 7b of the lower pallet 7 as shown in FIG. When engaged, the rectangular frame 1 is held on the pallet 7 via the stopper 6, and the rectangular frame 1 can be placed on the pallet 7 in one stage as shown in FIG. Similarly, the second-stage rectangular frame 1 is placed on the rectangular frame 1 placed on the pallet 7, and the stopper of the rectangular frame 1 is shown in FIG. When 6 is engaged with the upper part of the lower rectangular frame 1, that is, the horizontal member 2 a on the long side frame 2 and the horizontal member 3 a on the frame piece 3 A of the short side frame 3, the rectangular frame 1 is stopped by the stopper 6. Is held in the lower rectangular frame 1 and a second-stage rectangular frame is installed. By repeating the installation of the rectangular frame 1, as shown in FIG. 4B, a returnable case 10 in which the rectangular frames 1 are installed in a plurality of stages on the pallet 7 is obtained.

  In FIG. 4B, the desired number of installation stages of the rectangular frame 1 on the pallet 7 is three, but the rectangular frame 1 installed on the pallet 7 is appropriately set according to the height of the luggage stored in the returnable case 10. It can be increased or decreased, and it can also be installed in one stage for pipes that do not become high, such as pipes that are horizontally stacked. When the desired number of steps of the rectangular frames 1 are installed on the pallet 7, the corner fittings 8 shown in FIG. 1C can be attached to the four corners of the uppermost rectangular frame 1 as necessary.

The corner metal fitting 8 is made of an iron plate having a substantially right-angled isosceles triangle shape with the tip of the isosceles cut off, and the lower surface of the corner metal fitting 8 has two U-shaped engagements having a U-shaped cross section opened downward. The protrusions 8a are welded in close proximity to the equal sides, and two upward pressing pieces 8b perpendicular to each other along the equal sides are provided on the upper surface of the corner fitting 8 by sheet metal working. The pressing piece 8b is used as a pressing means when the case 10 is stacked in a plurality of stages or when a cover plate is placed on the case 10.

  As shown in FIG. 3 (c), the corner metal fitting 8 has engaging protrusions 8 a at the four corners of the uppermost rectangular frame 1, and the frame members of the cross member 2 a on the long side frame 2 and the short side frame 3. As shown in FIG. 4 (b), it is detachably attached to the four corners of the uppermost rectangular frame 1 by being fitted to the cross member 3a on 3A from above. The corner metal fitting 8 is not necessarily attached to the four corners of the uppermost rectangular frame 1 of the case 10, but the attachment improves the strength and shape stability of the uppermost rectangular frame 1. The overall strength and shape stability can be increased.

  In addition, depending on the type of luggage stored in the case 10, there is a fear of damage to the luggage when an object falls from the opening at the upper end in the case 10. In that case, the case shown in FIG. As shown in the figure, in order to close the opening at the upper end of the case 10, it is preferable to cover a veneer plate or the like on the uppermost rectangular frame 1 as a cover plate 9. By placing the cover plate 9, the opening at the upper end can be easily closed. At the same time, the end surface of the corner of the cover plate 9 can be pressed by the pressing piece 8b, and the cover plate 9 can be prevented from being displaced by vibration during transportation.

  Although the case 10 itself can be laminated in a plurality of stages, if the corner metal fitting 8 is provided, the case to be laminated may be placed on the corner metal fitting 8, so that the case 10 can be easily laminated by a forklift or the like. Can be done. Further, similarly to the above, the corner pieces of the pallets of the stacked cases can be pressed by the pressing pieces 8b to prevent the stacked cases from being displaced due to vibration during transportation.

  According to the returnable case 10 described above, the storage pace in the height direction is made variable by changing the number of steps of the rectangular frame 1 installed on the pallet 1. Can be stored. The case 10 in which the storage of the luggage is completed is loaded in a container and transported to the destination. Then, the case 10 is taken out from the container at the transport destination, and if the cover plate 9 and the corner metal fitting 8 are used in the case 10, they are removed, and the rectangular frame 1 of the case 10 is removed step by step and placed on the pallet 7 Take out the remaining luggage. The removed rectangular frame 1 is folded flat as shown in FIG. 5 (b), and if there is a cover plate 9 on the pallet 7, it is placed, and the folded rectangular frame 1 is placed on top of it. Further, if there is a corner fitting 9, it is loaded and loaded into a container and returned to the transport source.

  As described above, according to the returnable case of the present invention, a pallet, a rectangular frame installed in one or more stages on the pallet, and corner brackets that are attached to the four corners of the uppermost rectangular frame as necessary. Since the height of the case is made variable by changing the number of installation steps of the rectangular frame, it is possible to deal with loads of various heights and store the loads.

It is a perspective view showing the component of the returnable case for containers concerning one embodiment of the present invention, with a rectangular frame (the figure (a)), a pallet (the figure (b)), and a corner metal fitting (the figure (c)). is there. It is a perspective view which shows the connection part of the frame piece of the short side frame of the rectangular frame of FIG. 1, (a figure (a)) and the connection part (same figure) of a frame piece and a long side frame (B)). It is a perspective view (the figure (a), (b)) which shows the effect | action of the stopper provided in the rectangular frame of FIG. 1, and a perspective view (the figure (c)) which shows the attachment method to the rectangular frame of a corner metal fitting. 1 is a perspective view showing a place where a rectangular frame is installed on the pallet of FIG. 1, and when a rectangular frame is installed in one stage (FIG. 1A), a rectangular frame is installed in a desired number of three stages to form a case; Furthermore, it is a case where a corner metal fitting is attached to the four corners of the uppermost rectangular frame (the figure (b)) and a case where a cover plate is placed on the corner metal fitting (the figure (c)). It is a perspective view which shows the place which folds the rectangular frame of FIG. 1, and is the state (FIG. (A)) in the middle of folding and the state (FIG. (B)) in which folding was completed.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Rectangular frame 2 Long side frame 3 Short side frame 3A Frame piece 4, 5 Hinge 6 Stopper 7 Pallet 8 Corner metal fitting 8a Engagement protrusion 8b Holding piece 9 Cover plate 10 Returnable case

Claims (1)

  A case comprising a pallet, a rectangular frame that is installed in one or more stages on the pallet to form a space for storing luggage, and, if necessary, corner metal fittings mounted at the four corners of the uppermost rectangular frame The rectangular frame is formed such that the short side can be bent inwardly with respect to the long side at the intermediate position, and the rectangular frame has a stopper protruding downwardly provided at the lower part of the rectangular frame. The corner fittings are held by engaging with the outer surfaces of the stacked pallets or the lower rectangular frame, and the corner metal fittings have two upper holding pieces perpendicular to each other on the upper surface and are perpendicular to each other and open downward on the lower surface. The two lower engaging projections, and are fitted by fitting the engaging projections on the long side and the short side of the rectangular frame at the corners of the uppermost rectangular frame. The lid is placed on the case It is or when the case is stacked, placed on the cover plate or returnable case for containers, characterized in that for pressing the corner end surface of the pallet of the stacked cases.

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