JP5425650B2 - Pack storage tray - Google Patents

Description

  The present invention relates to a corrugated tray used for transporting strawberry packs and the like.

  Conventionally, as a corrugated tray of this type, in Patent Document 1 below, as shown in FIG. 11, a pair of side walls 52 and 53 are connected to each side around the bottom wall 51, and one opposing side wall 52 is provided. Is a double structure including an outer plate 54, a top plate 55, and an inner plate 56, and partitions 57 and 58 are provided in a cross shape between the opposing side walls 52 and 53, respectively.

  Support pieces 59 and 60 that are expanded are provided at the end and the middle of the inner plate 56, and support pieces 61 and 62 that are also expanded at the end and the middle of the partition 58. The ends of the support pieces 58 and 61 at the end are abutted against the inner surface of the side wall 53 due to repulsion, and the support pieces 60 and 62 at the middle are abutted against the partition 57 due to the repulsion, so Held at an angle.

  In such a tray, when the flange of the pack P is placed on the support pieces 59 to 62, the pack P is supported in a suspended state, so that a gap is formed between the bottom wall 51 of the tray and the bottom surface of the pack P. The impact during transportation is mitigated by the gap, and damages such as strawberries packed in the bottom of the pack P are prevented.

Japanese Patent No. 3813590

  However, in the tray as described above, when assembling, it is necessary to insert the partition 57 while holding the support piece 60 at the intermediate portion of the inner plate 56 in a state of being bent at an angle larger than a predetermined angle. There is a problem that it involves difficulties.

  Accordingly, an object of the present invention is to make it possible to easily assemble and retain the shape of a tray that suspends and supports a pack.

  In order to solve the above-mentioned problems, the present invention has a bottom wall and a side wall, the opposing side wall has a double structure including an outer plate and an inner plate, and a support piece that expands in the middle portion of the inner plate is provided. In the pack storage tray, the outer plate is provided with a pushing piece that swings with the base end as a hinge by cutting, and when the pushing piece is pushed inward, the support piece in the middle of the inner plate is pushed out from the side wall and repelled. By contacting the corner portion of the pushing piece and holding at a predetermined angle, when the flange of the pack is placed on the support piece, the pack is supported in a suspended state.

  Further, a partition is passed between the opposing side walls, and the end portion of the partition is sandwiched between the support pieces at the intermediate portion of the inner plate and is sandwiched between the recesses provided at the front end portion of the pushing piece.

  In the pack storage tray according to the present invention, at the time of assembly, the support piece is expanded and held at a predetermined angle simply by pushing the pushing piece inward, so that the support piece is held in a folded state by hand. It is not necessary and can be assembled easily.

  Further, if the end of the partition is sandwiched between the recesses provided at the tip of the pushing piece, the swing of the partition is suppressed and the shape retention is improved.

The figure which shows the blank of the tray which concerns on 1st Embodiment of this invention Perspective view showing the assembly process The perspective view which shows the use condition same as the above Plan view showing the usage state Sectional view along line VV in FIG. The figure which shows the blank of the tray which concerns on 2nd Embodiment of this invention Perspective view showing the assembly process The perspective view which shows the use condition same as the above Plan view showing the usage state Sectional view along line XX in FIG. The perspective view which shows the use condition of the conventional tray

  First, a first embodiment of the present invention will be described with reference to FIGS.

  This pack storage tray is composed of a blank obtained by punching a cardboard sheet as shown in FIG. In this blank, the side wall 2 is connected to a pair of long sides of the rectangular bottom wall 1, and the side wall 3 is connected to the other pair of short sides. The side wall 2 includes an outer side plate 4, a top plate 5, and an inner side plate 6 sequentially connected from the bottom wall 1, and folding pieces 7 are continuously provided on both side ends of the side wall 3.

  Support pieces 8 that swing with a vertical ruled line as a hinge at the base end are provided at both ends and an intermediate portion of the inner plate 6. The support pieces 8 at both ends protrude from the inner plate 6 at the front end side, and a pair of the support pieces 8 at the intermediate part are abutted through a notch on the front end side.

  In the middle part of the outer plate 4, a pushing piece 9 that swings with a horizontal ruled line as a hinge is provided inside the cut made in the gate shape. A slanted edge 9a is formed at both corners of the front end of the pushing piece 9, and a detent projection 9b is provided at the base end of the pushing piece 9 to reduce the repulsion of the bending and prevent detent by cutting into the outer plate 4. Is formed.

  At the leading edge of the inner plate 6, a retaining projection 6 a for shape retention that suppresses repulsion of the inner plate 6 is formed, and between the two cuts extending between the outer plate 4, the top plate 5, and the inner plate 6, there is a step. A portion to be the engaging convex portion 5a for stacking is formed. In the portion along the outer plate 4 of the bottom wall 1, an engagement hole 1 a is formed in which the engagement protrusion 6 a is engaged during assembly and the engagement protrusion 5 a is engaged during stacking.

  The folded piece 7 is provided with a folded piece 7a in order to prevent rattling of the folded piece 7 between the outer plate 4 and the inner plate 6 and to improve the shape retention, and the engagement convex portion 5a. In order to avoid interference, a cut portion 7b is provided.

  To assemble the tray from the blank, as shown in FIG. 2, the side wall 3 is raised from the bottom wall 1, the folded piece 7 is folded inward along the boundary between the bottom wall 1 and the side wall 2, and the folded piece 7a is After bending in the inner horizontal direction, the outer plate 4 of the side wall 2 is raised from the bottom wall 1, the top plate 5 and the inner plate 6 are bent so as to be wound, and the folded piece 7 is held by the side wall 2.

  At this time, as shown in FIGS. 3 to 5, when the support pieces 8 at both ends of the inner plate 6 are folded inward while the top plate 5 and the inner plate 6 are folded, the support pieces 8 at both ends are The tip abuts against the inner surface of the side wall 3 by repulsion, and is held in a state of being expanded at a predetermined angle.

  When the locking projection 6a is engaged with the engagement hole 1a, the return due to the repulsion of the inner plate 6 is prevented, and the engagement convex portion 5a is bent into a mountain shape and protrudes upward from the top plate 5.

  After that, when the pushing piece 9 is pushed inward, the support piece 8 at the intermediate portion of the inner plate 6 is pushed out from the side wall 2 and is brought into contact with the oblique edge 9a of the pushing piece 9 by repulsion and held at a predetermined angle.

  In this way, in the above tray, the support piece 8 is expanded and held at a predetermined angle simply by pushing the pushing piece 9 inward during assembly, so the support piece 8 is held in a folded state by hand. It is not necessary to set up and can be assembled easily.

  When the strawberry pack P is stored in the tray as described above, when the flange of the pack P is placed on the support piece 8, the pack P is supported in a suspended state, and the bottom wall 1 of the tray and the pack P are Since a gap is formed between the bottom surface and the bottom surface of the pack P due to an impact during transportation, the strawberry is prevented from being crushed, and rot from the crushed portion is prevented.

  Next, a second embodiment of the present invention will be described with reference to FIGS. Since the basic configuration of this embodiment is common to that of the first embodiment, the same reference numerals are given to common portions, and description thereof is omitted.

  This pack storage tray is formed of a blank as shown in FIG. 6 and includes a partition 10 separate from the tray body. The partition 10 includes a pair of partition plates 11 connected to each other via a top plate 12. The partition plate 11 is provided with insertion grooves 11 a at both ends of the partition plate 11, and a locking projection 11 b at the center of the tip edge. 11 and the top plate 12 are provided with a service hole 12a into which a hand is inserted when the pack P is taken out.

  Further, the tray body is provided with a locking hole 1b at the center of the bottom wall 1 and an insertion hole 5b extending over the top plate 5 and the inner plate 6 and a recess 9c at the center of the tip of the pushing piece 9. It has been.

  When assembling the tray from the blank, as shown in FIG. 7, the pair of partition plates 11 of the partition 10 are bent so as to face each other, and the partition 10 is lowered from above and passed between the opposing side walls 2. To do.

  Then, as shown in FIGS. 8 to 10, each end of the partition 10 is inserted into the insertion hole 5b of the side wall 2 and the recess 9c of the pushing piece 9, and the inner plate 6 is inserted into the insertion groove 11a to be locked. The protrusion 11b is engaged with the locking hole 1b.

  At this time, since the support piece 8 in the middle part of the inner plate 6 is held in a state of being expanded at a predetermined angle by the pushing piece 9, even if the pair of support pieces 8 in the middle part are not held by hand, Both end portions of the partition 10 can be inserted between the support pieces 8.

  In the tray assembled as described above, both ends of the partition 10 are sandwiched between the support pieces 8 at the intermediate portion of the inner plate 6 and are sandwiched between the recesses 9c of the push-in piece 9 and are regulated by both side edges of the recess 9c. Thus, the rocking of the partition 10 is suppressed, so that the shape retention is improved.

  In each of the above-described embodiments, an example in which two packs P are stored is illustrated. However, the above configuration can be applied to a tray in which a larger number of packs P are stored in a line.

  The above-described configuration can also be applied to a tray that stores a plurality of packs P arranged vertically and horizontally. In this case, a partition orthogonal to the partition 10 is passed between the opposing side walls 3, and both end portions and an intermediate portion of the partition are cut and raised to form a support piece for supporting the flange on the partition side of the pack P.

  Moreover, in each said embodiment, although the tray with which the side walls 2 and 3 were continuously provided in each circumference | surroundings of the bottom wall 1 was illustrated, the bottom wall 1 is comprised from the lower end of the side walls 2 and 3 provided in the circumferential direction. The same configuration can be applied to a tray such as a grooving type cardboard box with an extended flap.

  In addition, although the example in which the support piece 8 is provided at the end of the inner side plate 6 of the side wall 2 is shown, in addition to the side wall 2, the side wall 3 has a double structure, and the end of the inner side plate 6 is cut and raised. The support piece 8 may be formed, and a support member different from the tray main body is inserted into the tray so that the pack P is supported by the support member and the support piece 8 at the intermediate portion of the inner plate 6. May be.

DESCRIPTION OF SYMBOLS 1 Bottom wall 1a Engagement hole 1b Engagement hole 2,3 Side wall 4 Outer board 5 Top plate 5a Engagement convex part 5b Insertion hole 6 Inner board 6a Engagement protrusion 7 Folding piece 7a Folding piece 7b Cutting part 8 Supporting piece 9 Pushing piece 9a Oblique edge 9b Detent protrusion 9c Recess 10 Partition 11 Partition plate 11a Insertion groove 11b Locking protrusion 12 Top plate 12a Care hole P Pack

Claims (2)

It has a bottom wall (1) and side walls (2, 3), and the opposite side wall (2) has a double structure with an outer plate (4) and an inner plate (6), and is intermediate between the inner plate (6). The outer plate (4) is provided with a support piece (8) that expands, and the outer plate (4) is provided with a pushing piece (9) that swings with the base end as a hinge, and is inclined at both corners of the distal end of the pushing piece (9). Forming an edge (9a), and forming a detent projection (9b) at the base end of the pushing piece (9) to reduce the rebound of bending and detent by cutting into the outer plate (4), When the pushing piece (9) is pushed inward, the support piece (8) in the middle part of the inner plate (6) is pushed out from the side wall (2) and abuts against the slanted edge (9a) of the pushing piece (9). The pack storage tray is held at a predetermined angle so that when the flange of the pack (P) is placed on the support piece (8), the pack (P) is supported in a suspended state.   The partition (10) is passed between the opposing side walls (2), and the end of the partition (10) is sandwiched between the intermediate support pieces (8) of the inner plate (6) and the tip of the pushing piece (9). 2. The pack storage tray according to claim 1, wherein the tray is sandwiched between recesses (9c) provided in the portion.

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