JP6243198B2 - Transport container - Google Patents

Description

  The present invention relates to a transport container that can store, transport, and store various articles.

  Conventionally, Patent Document 1 discloses, as an example, a transport container in which a sheet-like cardboard is bent to form a box, and a corner clip made of hard plastic is attached to a corner of the assembled box. Yes.

JP 2002-234526 A

  In the conventional transport container described above, the corners of the box are only attached to the corners of the box formed by folding the sheet-like cardboard, so that the strength of the corners of the box is increased. However, when the transport containers are stacked, the corner clips may be deformed or buckled, and even when the transport container is used alone, the corner clips may be deformed. There was a problem that the sheet-like side wall located between them was deformed or damaged.

  Further, since the corner clip itself is not reinforced, there is a problem that the corner clip itself is deformed or damaged.

  Furthermore, in the conventional transport container, an engaging protrusion for stacking is formed on the lower surface of the corner clip, and the engaging protrusion fits with an engaging recess on the upper surface of the corner clip. Therefore, the corner portion of the transport container protrudes downward by the engaging protrusion. Thus, in the conventional transport container, since the bottom surface of the bottom portion is not formed flat, the engaging protrusion is caught on the floor, pallet, cargo bed, etc., and the work efficiency of the transport work on the floor of the transport container is improved. In addition to worsening, there is a problem that the work efficiency of placing and unloading work containers on a pallet or loading platform is deteriorated.

  An object of the present invention is to solve the problems of the conventional transport container described above.

In order to achieve the above-mentioned object, the present invention firstly includes a container base made of a lightweight sheet material having a long side portion opposed to the bottom portion and an opposed insertion piece having a height lower than the long side portion. , a transport container and a pair of side wall members which are integrally molded of a hard plastic which is arranged in the insertion side of the container body, so that the sidewall member extends from the upper end of the transport container to the bottom And has a pair of opposing side wall portions extending substantially perpendicularly to the side wall main portion from both ends of the side wall main portion, and the planar shape is substantially U-shaped. The side wall portion has a vertical outer plate and a vertical inner plate, and the lower portion of the vertical outer plate is formed wider than the width of the lower portion of the vertical inner plate. It is characterized by that. Second, reinforcing vertical ribs extending from the upper end of the vertical outer plate to the lower end of the side wall portion are formed, and third, the insertion piece of the container base is provided on the side wall member. a gap top is to be inserted, which vertical edges of the long side of the container body has a gap to be inserted, the fourth, the upper horizontal portion of the long side of the container base, The cross-sectional shape perpendicular to the longitudinal direction is inserted into a bar-shaped reinforcing member having an inverted U-shape . Fifth, between the vertical end portion of the long side portion and the vertical end portion of the insertion piece, The bottom portion is formed between a vertical end portion of the long side portion and a vertical end portion of the insertion piece, and a predetermined gap is formed so that the long side portion and the insertion piece do not contact each other by cutting out the fitting recess is formed, the fitting convex portion provided vertically on the side wall member is fitted before Symbol fitting recess Together are configured to, with the lower surface of the bottom portion of the lower surface and the container base body of the fitting convex portion provided vertically on the side wall member is made by forming a flush.

  As described above, the transport container is disposed on the container base made of a lightweight sheet material having a long side portion opposed to the bottom portion and an opposed insertion piece having a height lower than the long side portion, and the insertion piece side of the container base. Since it is composed of a pair of side wall members that are integrally molded of hard plastic, the strength and rigidity of the transport container can be increased, and when the transport containers are stacked, the transport located below It can prevent that the container for buckling buckles. Moreover, since the gap into which the upper part of the insertion piece of the container base is inserted and the gap into which the vertical end of the long side portion of the container base is inserted are formed in the side wall member, the workability of the assembly operation of the transport container is improved. improves. Further, since the upper horizontal portion of the long side portion of the container base is inserted into a bar-shaped reinforcing member whose cross-sectional shape perpendicular to the longitudinal direction is an inverted U shape, the strength and rigidity of the long side portion of the container base are improved, When the transportation containers are stacked, it is possible to prevent the transportation container located below from buckling. Furthermore, since the side wall member extends from the upper end to the lower end of the transport container, it is possible to prevent the transport container located below from buckling when stacking the transport containers. Can do. Still further, the fitting convex portion suspended from the side wall member is configured to be fitted into the fitting concave portion formed in the container base, and the lower surface of the fitting convex portion suspended from the side wall member; The bottom surface of the container base is formed flush with the bottom surface of the container, and the bottom surface of the transport container is formed so as to be flat. The work efficiency of the transfer work on the floor, the placing work on the pallet and the loading platform, and the unloading work is improved.

FIG. 1 is a perspective view of the transport container of the present invention. FIG. 2 is also a perspective view of the transport container of the present invention. FIG. 3 is an exploded perspective view of the transport container of the present invention. FIG. 4 is a perspective view of a container base constituting the transport container of the present invention. FIG. 5 is a perspective view of a side wall member constituting the transport container of the present invention. FIG. 6 is also a perspective view of a side wall member constituting the transport container of the present invention. FIG. 7 is a perspective view of a side wall member constituting the transport container of the present invention. FIG. 8 is an enlarged perspective view including a partial vertical section of the transport container of the present invention. FIG. 9 is also an enlarged perspective view including a partial vertical section of the transport container of the present invention.

  Examples of the present invention will be described below. However, the present invention is not limited to the examples of the present invention as long as the gist of the present invention is not exceeded.

  First, the overall configuration of the transport container C of the present invention and the constituent members constituting the transport container C will be described with reference to FIGS.

  The container C for transportation includes a container base T formed by bending a lightweight sheet material, a pair of side wall members S integrally formed of hard plastic, and a bar-shaped reinforcement having a reverse U-shaped cross section perpendicular to the longitudinal direction. The member H is comprised.

  The lightweight sheet material constituting the container base T includes a resin foam sheet, a resin cardboard, a resin honeycomb board, and the like. By folding the lightweight sheet material along the crease line, as shown in FIG. 4, the bottom part t1, the opposing long side part t2, and the opposing insertion piece having a lower height than the long side part t2. A container base T made of t3 is formed. In addition, a predetermined gap is formed between the vertical end t2a of the long side portion t2 and the vertical end t3a of the insertion piece t3 so that the long side portion t2 and the insertion piece t3 do not contact each other. At the same time, a bottom t1 located between the vertical end t2a of the long side portion t2 and the vertical end t3a of the insertion piece t3 is cut out to form a fitting recess t4.

  Next, the side wall member S will be described with reference to FIGS.

  The side wall member S includes a side wall main portion S ′ and opposing side wall portions S ″ extending substantially perpendicularly to the side wall main portion S ′ from both end portions of the side wall main portion S ′. It is formed in a substantially U shape.

  A horizontal step s2 that is recessed one step from the inner wall portion s1 is formed in the lower portion of the inner wall portion s1 of the side wall main portion S ′ (the portion that is located inside the transportation container when the transportation container is assembled). In addition, an appropriate number of locking hanging piece portions s3 are suspended from the top portion s2a forming the step s2. In the present embodiment, an example is shown in which three locking hanging pieces s3 are provided vertically at both ends and the center of the top s2a. Further, an insertion piece insertion gap D1 into which the insertion piece t3 of the container base T is inserted is formed between the locking hanging piece portion s3 and the vertical wall s2b below the top portion s2a.

  The side wall portion S ″ includes a top plate s4, a vertical outer plate s5, and a vertical inner plate s6. Between the vertical outer plate s5 and the vertical inner plate s6, the long side portion t2 of the container base T is provided. In this embodiment, the vertical outer plate s5 has a width of the vertical inner plate s6 (an inner wall of the side wall main portion S ′). The vertical inner plate s6 is thicker than the vertical outer plate s5, and s6a is a thick vertical inner plate. An appropriate number of recesses are formed in s6, and are used to prevent the deformation of the thick vertical inner plate s6 when the side wall member S is injection-molded.

  A fitting convex portion s7 is suspended from the lower surface of the vertical inner plate s6 of the side wall portion S ″, and when the container base T and the side wall member S are connected, the fitting convex portion s7 becomes the container. It is comprised so that it may fit in the fitting recessed part t4 currently formed in the base | substrate T. FIG.

  The upper end portion of the long side end portion insertion gap D2 formed between the vertical outer plate s5 and the vertical inner plate s6 of the side wall portion S ″ is the thickness of the upper end portions of the vertical outer plate s5 and the vertical inner plate s6. In addition, the upper end wide gap D2 ′ is formed by reducing the thickness. Further, on the outer surface of the vertical outer plate s5 of the side wall portion S ″, the vertical portion of the side wall portion S ″ extends from the upper end of the vertical outer plate s5. Reinforcing vertical ribs s8 are formed to extend to the lower end of the fitting convex portion s7 suspended from the lower surface of the inner plate s6, where s9 is a hand-held through hole.

  As shown in FIG. 3, the bar-shaped reinforcing member H has a cross-sectional shape perpendicular to the longitudinal direction formed in an inverted U shape from the side plate h <b> 2 facing the top plate h <b> 1. Both ends are configured to be inserted into the upper end wide gap D2 ′ of the long side end insertion gap D2 formed in the side wall S ″ of the opposite side wall member S. Further, the opposite side plates h2 are arranged. Is formed to be approximately the same as the thickness of the long side end t2a of the container base T, and in other words, the vertical end t2a of the long side t2 of the container base T. Is inserted into a gap formed between the long side end insertion gap D2 and the opposite side plate h2 of the rod-shaped reinforcing member H. The rod-shaped reinforcing member H is made of hard plastic, aluminum or the like. It can be made of any metal.

  Next, using FIGS. 1 to 3, 8, and 9, a container base T formed by bending a lightweight sheet material, a pair of side wall members S integrally formed of hard plastic, and a longitudinal direction The assembly of the transport container C, which is composed of the bar-shaped reinforcing member H having a vertical U-shaped cross section, will be described.

  The upper end horizontal portion t2b of the long side portion t2 of the container base T is inserted into the gap formed between the opposing side plates h2 of the rod-shaped reinforcing member H. Since the length of the rod-shaped reinforcing member H is substantially the same as the upper end horizontal portion t2b of the long side portion t2, the rod-shaped reinforcing member H does not protrude from the long side portion t2 of the container base T. It is configured. Further, the rod-like reinforcing member H into which the upper horizontal portion t2b of the long side portion t2 of the container base T is inserted is the upper end portion of the long side end insertion gap D2 formed on the side wall portion S ″ of the opposite side wall member S. While being inserted into the wide gap D2 ′, the vertical end portion t2a of the long side portion t2 of the container base T is configured to be inserted into the long side end portion insertion gap D2.

  Further, the upper part of the insertion piece t3 of the container base T is configured to be inserted into an insertion piece insertion gap D1 formed between the locking hanging piece portion s3 and the vertical wall s2b below the top portion s2a. . Further, the fitting convex part s7 suspended from the lower surface of the vertical inner plate s6 of the side wall part S ″ of the side wall member S is a long side part of the container base T as shown in FIGS. It is configured to be fitted into a fitting recess t4 formed by cutting out the bottom t1 located between the vertical end t2a of t2 and the vertical end t3a of the insertion piece t3, and the fitting convex The lower surface s7a of the portion s7 is configured to be flush with the lower surface of the bottom t1 of the container base T, and the lower surface of the transport container C is formed flat. Since the lower surface of the transport container C is formed flat, the lower surface of the transport container C is not caught, and the transport work on the floor of the transport container C, the placement work on the pallet or the loading platform, and the unloading work are performed. Work efficiency is improved.

  As described above, the vertical end t2a of the long side portion t2 of the container base T is inserted into the long side end insertion gap D2 formed in the side wall S ″ of the side wall member S and the container base T is inserted. Since the upper part of the piece t3 is configured to be inserted into the insertion piece insertion gap D1 formed between the locking hanging piece s3 and the vertical wall s2b below the top s2a, the assembly work of the transport container is performed. Improves.

  When the upper part of the insertion piece t3 of the container base T is inserted into the insertion piece insertion gap D1 formed between the locking hanging piece s3 and the vertical wall s2b, the locking hanging piece s3 and the vertical wall The s2b is fixed by a known fixing means such as driving a rivet or screwing a screw into the fixing hole E formed in the locking hanging piece s3 and the fixing hole E formed in the vertical wall s2b. To do. Similarly, the long side end t2 of the container base T inserted into the gap formed between the opposing side plates h2 of the bar-shaped reinforcing member H or the long side end of the side wall S ”of the side wall member S is inserted. The rod-like reinforcing member H inserted into the upper end wide gap D2 ′ of the gap D2 is formed by a known fixing means such as driving a rivet or screwing a screw into the fixing hole E formed in the side wall portion S ″. Fix it.

  The transport container C includes a container base T formed by bending a lightweight sheet material, and a pair of side wall members S integrally formed of hard plastic that extend from the upper end to the lower end of the transport container C. As a result, the strength and rigidity of the transport container C are improved, and when the transport container C is stacked, the underlying transport container C is prevented from being damaged or buckled. can do.

  Further, since the upper horizontal portion t2b of the long side portion t2 of the container base T is configured to be inserted into the gap formed between the opposing side plates h2 of the rod-shaped reinforcing member H, the long side portion t2 of the container base T is arranged. Strength and rigidity are improved, and when the transport containers C are stacked, the long side portion t2 of the container base T of the transport container C located below is prevented from being damaged or buckled. can do.

  Further, a fitting convex portion s7 is provided on the outer surface of the vertical outer plate s5 of the side wall portion S "constituting the side wall member S from the upper end of the vertical outer plate s5 to the lower surface of the vertical inner plate s6 of the sidewall portion S". Since the reinforcing vertical rib s8 extending to the lower end of the container is formed, when the transport container C is stacked, the transport container C located below is prevented from being damaged or buckled. Can do.

C ················· H ·························································· Container base t1・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Long side t3 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Insertion piece

Claims (5)

A container base made of a lightweight sheet material having a long side opposite to the bottom and an opposing insertion piece lower in height than the long side;
A transport container and a pair of side wall members which are integrally molded of a hard plastic which is arranged in the insertion side of the container body,
The side wall member is configured to extend from the upper end to the lower end of the transport container, and the side wall main part and a relative extension extending substantially perpendicularly to the side wall main part from both ends of the side wall main part. A pair of side walls, and the planar shape is substantially U-shaped,
The side wall has a vertical outer plate and a vertical inner plate,
The transport container according to claim 1, wherein a lower portion of the vertical outer plate is formed wider than a width of the lower portion of the vertical inner plate . The transport container according to claim 1, wherein reinforcing vertical ribs extending from an upper end of the vertical outer plate to a lower end of the side wall portion are formed. 2. The gap in which the upper part of the insertion piece of the container base is inserted and the gap in which the vertical end of the long side part of the container base is inserted are formed in the side wall member. Or the container for conveyance as described in 2 . Upper horizontal portion of the long side of the container substrate, any one of claims 1 to 3, wherein a cross section perpendicular to the longitudinal direction is inserted in an inverted U-shaped rod-like reinforcing member 1 The container for transportation according to the item . A predetermined gap is formed between the vertical end portion of the long side portion and the vertical end portion of the insertion piece so that the long side portion and the insertion piece do not come into contact with each other. A fitting recess is formed by cutting out the bottom located between the vertical end of the side and the vertical end of the insertion piece,
The fitting convex portion provided vertically on the side wall member, with is configured to be fitted before Symbol fitting recess, a lower surface and said container body of the fitting convex portion provided vertically on the side wall member The transport container according to any one of claims 1 to 4, wherein the transport container is configured to be flush with a lower surface of a bottom portion of the base plate.

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