JP2007168822A - Folding container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a folding container in which any tilting or curving of a long side wall inwardly is suppressed even when the load is applied from the outer side to the long side wall of the folding container assembled in a box shape. <P>SOLUTION: The folding container has: a bottom part 1; long side walls 2 facing each other and hinge-connected to the bottom part; and short side walls 3 facing each other and similarly hinge-connected to the bottom part, and is folded by bringing down the long side walls facing each other and the short side walls facing each other in an overlapping manner on the bottom part, a male hinge member H2 arranged on the long side wall is hinge-connected in the vertically movable manner to a female hinge member H1 arranged on a long side bank part 1a of the bottom part. A plurality of fitting members 20 are vertically hanged from a lower end horizontal flange 2a of the long side wall, and a fitting space part A3 to which the fitting members vertically hanged from the lower end horizontal flange of the long side wall is formed on the long side bank part of the bottom part when the long side wall is erected in a substantially vertical direction. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a folding container that can be folded so that a side wall disposed so as to surround the bottom portion overlaps the bottom portion.

  The conventional folding container has a problem that the long side wall having a long width is weaker in terms of strength and bending rigidity than the short side wall, and is easily deformed. In particular, when the width of the long side wall exceeds 1 meter or close to 2 meters as the size of the folding container increases, the deformation of the long side wall becomes prominent and transports with the long side wall assembled in a box shape. Difficult to do.

  When transporting a folded container assembled in a box shape, an operator is usually positioned on one long side wall, and with both hands, a gripping part formed at the upper center of the opposing short side wall is used. Hold the folding container assembled in a box shape, but the short side wall is short, so the short side wall does not tilt or bend inward greatly, so it is stored in the folding container The article will not be damaged. However, when the width of the long side wall exceeds 1 meter or close to 2 meters, it carries a folding container assembled in a box shape with a gripping part formed at the upper center of the opposite short side wall. It is difficult for an operator to carry a folding container assembled in a box shape with an appropriate gripping part of the opposing long side wall with both hands after being positioned on one long side wall side. Is usually done. In this way, when carrying a folding container assembled in a box shape with the gripping portions formed on the opposing long side walls, the long side walls are greatly tilted or curved inward, and therefore the folding container There is a problem that an article stored in the container is damaged or a long side wall is damaged.

  In order to solve the above-described problem, the applicant of the present application has disclosed a tilt suppression member that can move up and down on the long side wall in Patent Document 1 that is an earlier application of the present applicant, and moves the tilt suppression member downward. The rod of the tilt restraining member is fitted into a through-hole formed in the bottom bank portion where the long side wall is hinged, so that tilting or bending to the inside of the long side wall is suppressed. A folding container was proposed.

JP-A-2005-53482

  As described above, the tilt suppressing member that can move up and down is disposed on the long side wall, the tilt suppressing member is moved downward, and the rod of the tilt suppressing member is attached to the bottom bank portion where the long side wall is hinged. In a folding container that is designed to suppress tilting and bending to the inside of the long side wall by fitting into the formed through hole, the strength and bending rigidity are low when the long side wall is lifted by hand. There is a problem that the long side wall is deformed, the long side wall is separated from the bottom bank part to which the long side wall is hinged, and the rod of the tilt suppressing member comes out of the through hole formed in the bottom bank part. .

  In addition, as described above, when the long side wall is lifted or deformed in a direction away from the bottom bank portion to which the long side wall is hinged, the hinge portion connecting the long side wall and the bank portion is loaded, and the hinge portion is There was a problem of damage.

  Furthermore, a tilt restraining member that can move up and down is disposed on the long side wall, the tilt restraining member is moved downward, and the rod of the tilt restraining member is formed on the bottom bank portion where the long side wall is hinged. In a folding container that fits into the through-hole, when the width of the long side wall is long, it is necessary to dispose a plurality of tilt-inhibiting members, and when the folding container is assembled, the long side wall When tilting or folding the folding container, when tilting the long side wall, it is necessary to move a plurality of tilt restraining members up and down, so the folding container assembly work and folding container folding There was a problem that workability of the work deteriorated.

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

  In order to achieve the above-mentioned object, the present invention has a bottom part, an opposing long side wall hinged to the bottom part, and an opposing short side wall hinged to the bottom part, as well as an opposing long side wall and an opposing short side wall. In a folding container that can be folded by tilting the side wall so as to overlap the bottom, the male hinge member disposed on the long side wall is vertically moved to the female hinge member disposed on the long side bank portion of the bottom. It is hinged so that it can move, and a plurality of fitting members are suspended from the lower horizontal flange of the long side wall, and when the long side wall is erected substantially vertically on the long side bank portion at the bottom, A fitting space portion that can be fitted with a fitting member suspended from the lower horizontal flange of the long side wall is formed, and a rod fitting block having a rod fitting space portion is formed on the lower horizontal flange of the long side wall. Vertically, long side bank at the bottom In addition, when the long side wall is erected substantially vertically, a recess for inserting the fitting block into which the rod fitting block suspended from the bottom horizontal flange of the long side wall can be fitted is formed, and the long side of the bottom part is formed. A lock member disposition space is formed in the side bank portion, and a rod fitting block suspended from a horizontal flange at the lower end of the long side wall when the long side wall is erected substantially vertically in the lock member disposition space A lock member having a fitting rod portion that can be fitted in the rod fitting space portion is arranged to be slidable in the horizontal direction.

  As described above, when a plurality of fitting members are vertically suspended from the lower horizontal flange of the long side wall and the long side wall is erected substantially vertically on the long side bank portion of the bottom side, the lower end horizontal of the long side wall Since the fitting space part that can be fitted with the fitting member suspended from the flange is formed, the long side wall tilts inward even if a load is applied to the long side wall of the folding container assembled in a box shape from the outside It is possible to suppress bending or bending.

  In addition, compared with the long side wall provided with a tilt suppressing member that can move up and down, a plurality of fitting members are suspended from the lower horizontal flange of the long side wall, and the long side bank portion at the bottom is Since it is a simple configuration that only forms a fitting space part into which the fitting member suspended from the lower horizontal flange of the long side wall can be fitted, a large number of fitting members and fitting space parts are provided. Therefore, when a load is applied from the outside to the long side wall of the folding container assembled in a box shape, the long side wall is reliably prevented from being tilted or curved inward. Can do.

  Furthermore, the fitting space part formed in the long side bank part of the bottom part is made into the several fitting members suspended by the back surface of a lower end horizontal flange only by lowering | hanging the long side wall set up substantially perpendicularly. In addition, since the fitting can be performed all at once, the workability of the folding container assembling work is improved. Similarly, when the folding container is folded, a plurality of fitting members suspended on the back surface of the horizontal flange at the lower end can be attached to the long side of the bottom by simply raising the long side wall standing substantially vertically. Since it can discharge simultaneously from the fitting space part formed in the side bank part, the workability | operativity of the folding operation | work of a folding container improves.

  Furthermore, a rod fitting block having a rod fitting space is vertically suspended from the lower horizontal flange of the long side wall, and when the long side wall is erected substantially vertically on the long side bank portion at the bottom, A recess for inserting a fitting block into which a rod fitting block suspended from a horizontal flange at the lower end of the long side wall can be fitted, and a lock member disposition space is formed in the long side bank portion at the bottom, A fitting rod portion that can be fitted into the rod fitting space portion of the rod fitting block suspended from the horizontal flange at the lower end of the long side wall when the long side wall is erected substantially vertically in the lock member installation space Because the lock member with slidably arranged in the horizontal direction, even if the folding container assembled in a box shape has a long side wall and lifts upward, the long side wall is the long side bank portion at the bottom So there is no separation from Lifted long side walls can be fitted member that is vertically to the lower end horizontal flange of the long side walls, to prevent such escape from the fitting space formed long side bank portions of the bottom.

  Still further, a rod fitting block having a rod fitting space portion is suspended from the lower horizontal flange of the long side wall, and when the long side wall is erected substantially vertically on the long side bank portion of the bottom portion, A recess for inserting a fitting block into which a rod fitting block suspended from a horizontal flange at the lower end of the long side wall can be fitted, and a lock member disposition space is formed in the long side bank portion at the bottom, A fitting rod portion that can be fitted into the rod fitting space portion of the rod fitting block suspended from the horizontal flange at the lower end of the long side wall when the long side wall is erected substantially vertically in the lock member installation space Because the lock member with slidably arranged in the horizontal direction, even if the folding container assembled in a box shape has a long side wall and lifts upward, the long side wall is the long side bank portion at the bottom So there is no separation from Male hinge member disposed on the disposed females hinge member and the long side wall on the long side bank portions of the bottom can be prevented such that damage.

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

  The folding container of the present invention includes a bottom 1, a long side wall 2 that is hinged to the long side bank 1a of the bottom 1, and a short side bank 1b that is lower than the long side 1a. From the assembled state in the box shape shown in FIG. 1, first, the short side wall 3 is formed as shown in FIG. The folding container is placed at a height as shown in FIG. 3 by tilting over the bottom 1 and then tilting the long side wall 2 over the short side wall 3 superimposed on the bottom 1. It is configured so that it can be folded into a low compact. Further, from the state shown in FIG. 3, the long side wall 2 is erected substantially vertically, and then the short side wall 3 is erected substantially vertically, so that the folded side is folded as shown in FIG. The container can be assembled into a box shape.

  Next, the female hinge member H1 will be described using the female hinge member H1 disposed on the long side bank portion 1a of the bottom portion 1 as an example with reference to FIGS. The male hinge member H2 will be described by taking the male hinge member H2 disposed on the flange 2a as an example.

  The long side bank portion 1a of the bottom portion 1 includes an inner vertical portion 1a1 extending substantially vertically upward from an edge portion of the bottom plate 1c of the bottom portion 1, and a horizontal portion extending substantially horizontally outward from the upper end of the inner vertical portion 1a1. The portion 1a2 and the outer vertical portion 1a3 extending downward from the edge of the horizontal portion 1a2 substantially in parallel with the inner vertical portion 1a1, and the cross-sectional shape perpendicular to the longitudinal direction has a substantially inverted U shape. It is formed in a shape.

  The horizontal portion 1a2 of the long side bank portion 1a is provided with a vertical hole h1 having a rectangular planar shape. The inner vertical portion 1a1 of the long side bank portion 1a has an upper portion formed in the vertical hole h1. A rectangular cut-out recess h2 that is connected and extends to the vicinity of the bottom plate 1c is formed. The lateral width of the cut-out recess h2 (the length along the longitudinal direction of the long side bank portion 1a) is shorter than the long side length of the vertical hole h1 (the length along the longitudinal direction of the long side bank portion 1a). And the notch recessed part h2 is located in the approximate center part of the long side of the vertical hole h1.

  A hook h3 protrudes from the upper end of the inner surface of the inner vertical portion 1a1 (the surface positioned on the outer vertical portion 1a3 side) located on both sides of the notch recess h2, and the hook h3 has a substantially horizontal hook. A portion h3a is formed.

  As described above, the female hinge member H1 is configured by the vertical hole h1, the notch recess h2, and the hook h3 formed in the long side bank portion 1a of the bottom portion 1.

  On the other hand, a male hinge member H2 is formed on the back surface of the lower end horizontal flange 2a perpendicular to the plate-like portion 2b of the long side wall 2. The male hinge member H2 includes a support block h10 suspended from the back surface of the lower end horizontal flange 2a, and a contact block h11 projecting from the opposite side surfaces of the support block h10 perpendicular to the longitudinal direction of the lower end horizontal flange 2a. It is composed of The support block h10 is formed so as to be insertable into a notch recess h2 formed in the inner vertical portion 1a1 of the long side bank portion 1a constituting the female hinge member H1, and the contact block h11 projects. The support block h10 is configured to be insertable into a vertical hole h1 formed in the horizontal portion 1a2 of the long side bank portion 1a constituting the female hinge member H1.

  As described above, the male hinge member H2 is configured by the support block h10 suspended from the back surface of the lower horizontal flange 2a of the long side wall 2 and the contact block h11 projecting from the opposite side surface of the support block h10. ing.

  In order to hinge-connect the bottom 1 and the long side wall 2, as shown in FIGS. 6 and 7, the contact block h 11 of the male hinge member H 2 formed on the back surface of the lower end horizontal flange 2 a of the long side wall 2. Is inserted into a notch recess h2 formed in the long side bank portion 1a, and the contact block h11 is inserted into a vertical hole h1 formed in the long side bank portion 1a. By inserting, the female hinge member H1 disposed on the long side bank portion 1a of the bottom portion 1 and the male hinge member H2 disposed on the long side wall 2 are hinge-connected.

  As shown in FIG. 6, when the long side wall 2 in a substantially horizontal state is erected substantially vertically from the folded state of the folding container, as shown in FIG. 7, the long side wall 2 is The abutment block h11 of the male hinge member H2 disposed on the lower horizontal flange 2a of the lower end of the hook h3 of the hook h3 of the female hinge member H1 disposed on the long side bank portion 1a formed on the bottom portion 1 A predetermined distance D1 is formed between the contact block h11 and the hook h3a of the hook h3, and the lower horizontal flange 2a of the long side wall 2 is connected to the long side bank of the bottom 1 It is comprised so that it may mount in the horizontal part 1a2 of the part 1a. Further, when the long side wall 2 is lifted upward from this state, the contact block h11 constituting the male hinge member H2 formed on the long side wall 2 is formed on the long side bank portion 1a of the bottom portion 1. The male hinge member H2 formed on the long side wall 2 comes into contact with the flange h3a of the hook h3 of the female hinge member H1 thus separated from the female hinge member H1 formed on the long side bank portion 1a of the bottom portion 1. It is configured so that there is nothing.

  As shown in FIG. 8 and FIG. 9, the short side bank portion 1 b of the bottom portion 1 is substantially the same as the long side bank portion 1 a except for its lower height. The inner vertical portion 1b1 extending substantially vertically upward from the edge of the bottom plate 1c of the bottom portion 1, the horizontal portion 1b2 extending substantially horizontally outward from the upper end of the inner vertical portion 1b1, and the edge portion of the horizontal portion 1b2 The inner vertical portion 1b1 and the outer vertical portion 1b3 extending downward substantially parallel to the inner vertical portion 1b1, and the short side bank portion 1b also includes the vertical hole h1, the notch recess h2, and the hook h3. A female hinge member H1 is formed.

  On the other hand, as shown in FIGS. 8 and 9, the back surface of the lower horizontal flange 3a of the short side wall 3 also corresponds to the female hinge member H1 disposed on the short side wall bank portion 1b of the bottom portion 1, A male hinge member H2 including a support block h10 and a contact block h11 similar to the male hinge member H2 provided on the lower end horizontal flange 2a of the long side wall 2 is provided.

  The hinge connection between the male hinge member H2 formed on the back surface of the lower horizontal flange short side wall 3a of the short side wall 3 and the female hinge member H1 disposed on the short side wall bank 1b of the bottom 1 is the same as that of the long side wall 2 described above. Since it is the same as the hinge connection between the male hinge member H2 formed on the back surface of the lower end horizontal flange 2a and the female hinge member H1 disposed on the long side wall bank portion 1a of the bottom portion 1, detailed description thereof is omitted.

  As shown in FIG. 9, when the short side wall 3 is erected substantially vertically, the abutment block h11 projects into the inner vertical portion 1b1 of the short side bank portion 1b formed on the bottom portion 1. The bottom side horizontal flange 3a of the short side wall 3 is placed on the horizontal part 1b2 of the short side bank part 1b of the bottom part 1 while entering under the hook part h3a of the provided hook h3. Further, the contact block h11 that has entered under the hook h3a of the hook h3 is configured to come into contact with the hook h3a of the hook h3 or to be disposed close to the hook h3a. Therefore, in a state where the folding container is assembled in a box shape, the short side wall 3 does not rattle in the vertical direction.

  As shown in FIGS. 4 and 5, a rod fitting space portion A <b> 1 in which a fitting rod portion of a lock member described later can be fitted at a predetermined position on the back surface of the lower horizontal rib 2 a of the long side wall 2. A rod fitting block 10 having a vertical axis is suspended. The rod fitting space A1 formed in the rod fitting block 10 includes an inner surface of the rod fitting block 10 (a surface located on the inner side when the folding container is assembled in a box shape) 10a side and a lower horizontal rib. The opposite side surface 10b side orthogonal to the longitudinal direction of 2a is formed as an open recess. In the present embodiment, an example is shown in which one rod fitting block 10 is suspended from the center of the back surface of the lower horizontal rib 2a of the long side wall 2.

  The long side bank portion 1a of the bottom portion 1 can be fitted with a rod fitting block 10 suspended from the back surface of the lower horizontal rib 2a of the long side wall 2 when the long side wall 2 is set up substantially vertically. A block insertion recess 11 is formed. The fitting block insertion recess 11 is formed by an opposing side wall 11a that is substantially perpendicular to the outer wall 1a3 of the long side bank 1a and a back wall 11b that is substantially parallel to the outer wall 1a3. The concavity insertion recess 11 has an opening in the vertical direction and the inside of the folding container, in other words, the inner wall 1a1 side of the long side bank 1a.

  As shown in FIG. 10, in the long side bank portion 1a of the bottom portion 1, the outer vertical portion 1a3 is recessed in the direction of the inner wall portion 1a1, thereby disposing a lock member that can be provided with a lock member described later. An installation space A2 is formed. The lock member disposition space A2 is formed by a side wall part a3 and a back wall part a4 facing the top part a1 and the bottom plate part a2, and only the outer side is opened. In the present embodiment, one lock member disposition space A2 is formed at the center of the back surface of the lower horizontal rib 2a of the long side wall 2 corresponding to the rod fitting block 10 that is suspended. An example is shown. In addition, when the width | variety of the long side wall 2 is considerably long so that it may exceed 1 meter or 2 meters, the lock member arrangement | positioning space A2 can also be made into two or more.

  In the top part a1 forming the lock member arrangement space A2, along the longitudinal direction of the long side bank part 1a, in other words, substantially parallel to the inner wall part 1a1 of the long side bank part 1a, An upper long groove a5 is formed, and the bottom plate portion a2 is also substantially the same as the inner wall portion 1a1 of the long side bank portion 1a along the longitudinal direction of the long side bank portion 1a. A lower slit a6 is drilled in parallel.

  Of the opposing side wall portions 11a constituting the fitting block insertion concave portion 11 formed on the long side bank portion 1a of the bottom portion 1, the side wall portion 11a located on the lock member installation space A2 side is a lock member. Of the opposing side wall portions a3 forming the arrangement space A2, the partition wall P is formed as a common partition wall P with the side wall portion a3 located on the fitting block insertion concave portion 11 side. A through hole p1 into which a fitting rod portion of a lock member described later can be inserted is formed in the partition wall P between the fitting block insertion recess 11 and the lock member disposition space A4.

  Next, the lock member S1 that is slidable in the horizontal direction in the lock member disposition space A2 will be described with reference to FIG.

  The lock member S1 has a box-shaped slide base portion s1, and one side wall portion s1a of the side wall portion s1a facing the slide base portion s1 is substantially perpendicular to the side wall portion s1a and the length of the bottom portion 1 described above. A fitting rod portion s2 that can be inserted through a through hole p1 formed in the partition wall P between the fitting block insertion recess 11 formed in the side bank portion 1a and the lock member disposing space A2 is provided. . Further, on the top surface of the top portion s1b of the slide base portion s1, an upper slit or an upper length formed in the top portion a1 constituting the lock member disposition space A2 formed in the long side bank portion 1a of the bottom portion 1 described above. An upper guide pin s3 that can be fitted in the groove a5 is projected, and further, on the back surface of the bottom plate portion s1c of the slide base portion s1, a lock member formed on the long side bank portion 1a of the bottom portion 1 described above is arranged. A plurality (two in this embodiment) of lower guide pins s4 that can be fitted into lower slits a6 formed in the bottom plate portion a2 constituting the installation space A2 are suspended.

  In order to dispose the lock member S1 in the lock member disposition space A2 formed in the long side bank portion 1a of the bottom portion 1, the fitting rod portion s2 of the lock member S1 is connected to the long side bank portion of the bottom portion 1. 1a is disposed so as to be positioned on the side of the through hole p1 formed in the partition wall P between the fitting block insertion recess 11 and the lock member disposition space A2, and the bottom plate of the slide base s1 of the lock member S1 The lower guide pin s4 suspended from the back surface of the portion s1c is fitted into the lower slit a6 formed in the bottom plate portion a2 constituting the lock member disposition space A2, and the lock member S1 is disposed to the lock member. The upper guide pin s3 erected on the top part s1b of the slide base part s1 of the lock member S1 is forcibly moved in the direction of the back wall part a4 of the space A2, and the top part constituting the lock member installation space A2 formed in a1 Part slits or fitted to the upper long groove a5. In this way, the lock member S1 is disposed so as to be slidable in the horizontal direction in the lock member disposition space A2 formed in the long side bank portion 1a of the bottom portion 1.

  As shown in FIG. 3, when the folded container in the folded state is assembled into a box shape as shown in FIG. 1, first, one long side wall 2 is set in the vertical direction. The lock disposed in the lock member disposition space A2 formed in the long side bank portion 1a of the bottom portion 1 prior to the rotation of the long side wall 2 in the vertical direction. As shown in FIG. 5, the member S1 is slid horizontally in the direction away from the partition wall P between the fitting block insertion recess 11 formed in the long side bank portion 1a and the lock member disposition space A2. Then, the fitting rod portion s2 of the lock member S1 is discharged from the through hole p1 formed in the partition wall P, and the lock member S1 and the long side wall 2 disposed on the long side bank portion 1a of the bottom portion 1 are discharged. The locked state of the disposed rod fitting block 10 is released.From this state, when the long side wall 2 is rotated in the vertical direction, the rod fitting block 10 suspended from the back surface near the central portion of the lower end horizontal rib 2a of the long side wall 2 The long side wall 2 is erected substantially vertically by being fitted in the fitting block insertion recess 11 formed in the portion 1a.

  Next, the lock member S1 disposed in the lock member disposition space A2 is slid in the direction of the partition wall P between the engagement block insertion recess 11 and the lock member disposition space A2, and the engagement rod of the lock member S1 The portion s2 is inserted into the through hole p1 formed in the partition wall P, and the fitting rod portion s2 of the lock member S1 is inserted into the through hole p1 formed in the partition wall P as shown in FIG. Is fitted to the rod fitting space A1 of the rod fitting block 10 arranged in communication with the lock member S1 arranged on the long side bank portion 1a of the bottom 1 and the long side wall 2. The made rod fitting block 10 is locked. Next, in the same manner, the other long side wall 2 is rotated in the vertical direction, and the rod fitting block 10 suspended from the back surface of the lower end horizontal rib 2a of the other long side wall 2 is The other long side wall 2 is made to stand substantially vertically by being fitted into the fitting block inserting recess 11 formed in the long side bank portion 1a, and then disposed in the lock member disposing space A2. The lock member S1 is slid in the partition P direction between the fitting block insertion recess 11 and the lock member disposition space A2, and the fitting rod portion s2 of the lock member S1 is formed in the through hole p1 formed in the partition P. And the fitting rod portion s2 of the lock member S1 is fitted into the rod fitting space portion A1 of the rod fitting block 10 disposed in communication with the through hole p1 formed in the partition wall P. The bottom side 1 of the long side bank portion 1a And click member S1 and the rod receiving blocks 10 disposed on the long side wall 2 in a locked state. Thereafter, the short side wall 3 is rotated in the vertical direction and is set substantially vertically so that the folded container in the folded state is assembled into a box shape.

  As mentioned above. When the folding container is assembled in a box shape, the lock member S1 is slidably disposed in the lock member disposition space A2 formed in the long side bank portion 1a of the bottom portion 1 so as to be slidable in the horizontal direction. Since the rod portion s2 is fitted in the rod fitting space portion A1 of the rod fitting block 10 suspended from the back surface of the lower end horizontal rib 2a of the long side wall 2, the folding container assembled in a box shape is Even if the long side wall 2 is held and lifted upward, the long side wall 2 is not separated from the long side bank portion 1 a of the bottom portion 1.

  As shown in FIGS. 4, 5, and 12, a plurality of fitting members 20 are vertically suspended at predetermined intervals on the back surface of the lower end horizontal flange 2 a of the long side wall 2. The member 20 has a substantially box-shaped upper fitting portion 20a suspended from the rear surface of the lower end horizontal flange 2a, and is suspended from the rear surface of the upper fitting portion 20a, and is substantially smaller than the upper fitting portion 20a. It is comprised by the box-shaped lower fitting part 20b.

  On the other hand, as shown in FIGS. 4, 5, and 12, the long side bank portion 1 a of the bottom portion 1 has a fitting member that is suspended from the back surface of the lower horizontal flange 2 a of the long side wall 2 described above. Corresponding to 20, a fitting space A3 is formed in the horizontal portion 1a2 of the long side bank portion 1a. The fitting space A3 includes an upper recessed portion A3 ′ into which the upper fitting portion 20a of the fitting member 20 suspended from the lower surface of the lower horizontal flange 2a of the long side wall 2 can be fitted, and a lower horizontal flange 2a of the long side wall 2. Is formed from a fitting through hole A3 ″ into which the lower fitting portion 20b of the fitting member 20 suspended from the back surface of the fitting member 20 can be fitted. FIG. The horizontal part 1a2 of the long side bank part 1a located between the female hinge members H1 disposed in the part 1a and the horizontal part of the long side bank part 1a located between the female hinge member H1 and the recess 11 for inserting the fitting block. Although an example in which the fitting space portion A3 is formed in the portion 1a2 is shown, the present invention is not limited to this example, and the three long side banks located at both ends and the central portion A fitting space A3 can also be formed in the horizontal part 1a2 of the part 1a.

  The above-described upper recess A3 ′ of the fitting space A3 includes a back wall portion a10 that is substantially parallel to the outer vertical portion 1a3 of the long side bank portion 1a of the bottom portion 1 and a longitudinal direction of the long side bank portion 1a. It is comprised from the side wall part a11 and the baseplate part a12 which oppose, and the inner wall part 1a1 side of the upper side and the inner side of a folding container, ie, the long side bank part 1a, is opened. Further, the above-described fitting through hole A3 ″ of the fitting space A3 is configured as a through hole a13 formed in the bottom plate part a12 that forms the upper recess A3 ′.

  The fitting member 20 hangs down on the back surface of the lower horizontal flange 2a of the long side wall 2 in the upper recess A3 ′ of the fitting space A3 formed in the long side bank portion 1a of the bottom portion 1 described above. The upper fitting portion 20a is fitted into the fitting through hole A3 ″ of the fitting space portion A3 formed in the long side bank portion 1a of the bottom portion 1 and the lower end horizontal flange 2a of the long side wall 2 described above. It is comprised so that the lower fitting part 20b of the fitting member 20 suspended from the back surface may be fitted.

  If necessary, as shown in FIGS. 1 to 3, both end portions of the horizontally long substantially rectangular plate-like portion 2 b of the long side wall 2 are substantially perpendicular to the plate-like portion 2 b. A vertically long engagement frame 4 is formed, and an appropriate number of through holes 4 a are formed in the engagement frame 4. Further, by forming a U-shaped slit 5 in the plate-like portion 2b located in the vicinity of the engagement frame 4, an elastic tongue piece 6 having the engagement frame 4 side formed at a free end is formed. A locking projection 6 a is formed at the tip of the elastic tongue piece 6 so as to face the engagement frame 4.

  A vertically long engagement frame 7 is formed by extending the plate-like portion 3 b at both ends of the horizontally long, substantially rectangular plate-like portion 3 b of the short side wall 3. A fitting protrusion 7a is formed to fit into a through hole 4a formed in the engaging frame 4 of the side wall 2.

  As shown in FIG. 3, in order to assemble from a folded state into a box shape as shown in FIG. 1, first, the long side wall 2 in a substantially horizontal state is first set up substantially vertically. Then, when the short side wall 3 is rotated in the direction of the long side wall 2 erected substantially vertically, the engagement frame 4 on the long side wall 2 of the fitting projection 7 a formed on the engagement frame 7 of the short side wall 3 is moved. Before and after fitting into the drilled through-hole 4a, the engagement frame 7 of the short side wall 3 comes into contact with the locking projection 6a of the elastic tongue piece 6 formed on the long side wall 2, and the elastic tongue piece 6 is deformed outward. Then, when the engagement frame 7 of the short side wall 3 passes through the locking projection 6a of the elastic tongue piece 6 formed on the long side wall 2, the elasticity pushed outward by the engagement frame 7 of the short side wall 3 The tongue piece 6 returns due to its restoring force, and the locking convex portion 6a of the elastic tongue piece 6 comes into contact with the engagement frame 7 of the short side wall 3 standing substantially vertically, toward the bottom 1 of the short side wall 3. It is comprised so that rotation of this may be prevented.

  In order to fold the folded container assembled in a box shape, first, the elastic tongue piece 6 of the long side wall 2 is first moved so that the engaging projection 6 a is disengaged from the engaging frame 7 of the short side wall 3. Then, by pushing outward, and then turning the short side wall 3 in the direction of the bottom 1, a fitting protrusion 7 a formed on the engaging frame 7 of the short side wall 3 is drilled in the engaging frame 4 of the long side wall 2. The short side wall 3 is lowered onto the bottom 1 by discharging from the through-hole 4a. Thereafter, the folding container assembled in a box shape is folded by tilting the substantially vertical long side wall 2 toward the bottom 1.

  As shown in FIG. 3, in order to assemble a folded container into a box shape as shown in FIG. 1, first, the long side wall 2 positioned at the top is first formed. As described above, the lock member disposing space formed in the long side bank portion 1a of the bottom portion 1 is rotated before the long side wall 2 is rotated in the vertical direction. The lock member S1 disposed in A2 is slid in a direction away from the partition wall P between the fitting block insertion recess 11 formed in the long side bank portion 1a and the lock member disposition space A2, and FIG. As shown in FIG. 2, the fitting rod portion s2 of the lock member S1 is discharged from the through hole p1 formed in the partition wall P. From this state, when the long side wall 2 is rotated in the vertical direction, the rod fitting block 10 suspended from the back surface near the central portion of the lower end horizontal rib 2a of the long side wall 2 The long side wall 2 is erected substantially vertically by being fitted in the fitting block insertion recess 11 formed in the portion 1a.

  Further, when the long side wall 2 is rotated in the vertical direction, the long side wall 2 is lifted up and suspended from the back surface of the lower horizontal flange 2a of the long side wall 2 before the long side wall 2 stands substantially vertically. The lower fitting portion 20 b of the fitting member 20 is not in contact with the inner vertical portion 1 a 1 of the long side bank portion 1 a constituting the bottom portion 1. When the long side wall 2 is set substantially vertically, as shown in FIG. 13, at least the fitting member 20 that is suspended from the back surface of the lower end horizontal flange 2 a of the long side wall 2. The lower fitting portion 20b is located above the fitting through hole A3 ″ of the fitting space portion A3 formed in the long side bank portion 1a of the bottom portion 1, in other words, the upper portion constituting the fitting space portion A3. The long side wall 2 is then lowered and suspended from the bottom surface of the lower horizontal flange 2a of the long side wall 2 as shown in FIG. The lower fitting portion 20b of the fitting member 20 is fitted into the fitting through hole A3 ″ of the fitting space portion A3 formed in the long side bank portion 1a constituting the bottom portion 1, and the fitting is performed as described above. The upper fitting portion 20a of the joint member 20 is fitted into the upper concave portion A3 ′ of the fitting space portion A3. Make.

  Thereafter, the lock member S1 disposed in the lock member disposition space A2 is horizontally slid in the direction of the partition P between the fitting block insertion recess 11 and the lock member disposition space A2, and the lock member S1 is engaged. The rod portion s2 is inserted into the through hole p1 formed in the partition wall P, and the fitting rod portion s11 of the lock member S1 is disposed in communication with the through hole p1 formed in the partition wall P. The rod is fitted into the rod fitting space A1 of the fitting block 10.

  Thereafter, the other long side wall 2 that is tilted in a horizontal state is erected substantially vertically in the same manner as the long side wall 2 positioned at the top. Thereafter, the opposed short side walls 3 in the horizontal state are set up substantially vertically to be assembled into a box shape as shown in FIG.

  As described above, when the folding container is assembled in a box shape, the lower fitting portion 20b of the fitting member 20 suspended from the back surface of the lower horizontal flange 2a of the long side wall 2 Since the long side wall 2 is fitted in the fitting through hole A3 ″ of the fitting space A3 formed in the long side bank portion 1a, the long side wall 2 remains inside even when a load is applied to the long side wall 2 from the outside. Can be prevented from being tilted or curved.

  Further, as described above, when the folding container is assembled in a box shape, the folding container is slidably disposed in the horizontal direction in the lock member disposing space A2 formed in the long side bank portion 1a of the bottom portion 1. The fitting rod portion s2 of the lock member S1 is inserted into a through hole p1 formed in the partition wall P between the fitting block insertion recess 11 and the lock member disposing space A2, and the lower end of the long side wall 2 is inserted. It is fitted to the rod fitting space A1 of the rod fitting block 10 suspended from the back surface of the horizontal rib 2a, and is arranged on the lock member S1 and the long side wall 2 provided on the long side bank portion 1a of the bottom portion 1. Since the provided rod fitting block 10 is in a locked state, even if the folding container assembled in a box shape has the long side wall 2 and is lifted upward, the long side wall 2 remains on the long side of the bottom 1. Things that leave the bank 1a Therefore, the long side wall 2 is lifted, and the lower fitting portion 20b of the fitting member 20 suspended from the back surface of the lower end horizontal flange 2a of the long side wall 2 is the long side bank portion 1a constituting the bottom portion 1. Can be prevented from coming out of the fitting through hole A3 ″ of the fitting space A3.

  Further, as described above, when the folding container is assembled in a box shape, it is slidably disposed in the lock member disposition space A2 formed in the long side bank portion 1a of the bottom portion 1 so as to be slidable in the horizontal direction. The fitting rod portion s2 of the lock member S1 is inserted into a through hole p1 formed in the partition wall P between the fitting block insertion recess 11 and the lock member disposing space A2, and the lower end of the long side wall 2 is inserted. It is inserted into the rod fitting space A1 of the rod fitting block 10 suspended from the back surface of the horizontal rib 2a, and arranged on the lock member S1 and the long side wall 2 arranged on the long side bank portion 1a of the bottom portion 1. Since the rod fitting block 10 is in a locked state, even if the folding container assembled in a box shape has the long side wall 2 and is lifted upward, the long side wall 2 remains on the long side bank of the bottom 1. Such as coming away from part 1a Without, therefore, can be male hinge member H2, disposed in the female hinge member H1 and the long side wall 2 arranged on the long side bank portions 1a of the bottom 1 is prevented such that damage.

  In the above-described embodiment, the rod fitting space portion A1 formed in the rod fitting block 10 suspended from the lower surface of the lower horizontal rib 2a of the long side wall 2 has the inner surface 10a of the rod fitting block 10. The opposite side surface 10b side orthogonal to the longitudinal direction of the side and lower end horizontal ribs 2a is formed as a recessed portion, but the rod fitting space A1 is formed as a tunnel-shaped through hole perpendicular to the opposite side surface 10b. You can also

  In the embodiment described above, the fitting member 20 suspended from the back surface of the lower horizontal flange 2a of the long side wall 2 is constituted by the upper fitting portion 20a and the lower fitting portion 20b. The joint portion 20a may be omitted and only the lower fitting portion 20b may be provided. In this case, the fitting space A3 formed in the long side bank portion 1a of the bottom portion 1 is formed only from the lower fitting portion 20b.

  In the present invention, as described above, the male hinge member H2 disposed on the long side wall 2 is hinge-connected to the female hinge member H1 disposed on the long side bank portion 1a of the bottom portion 1 so as to be vertically movable. In addition, when a plurality of fitting members 20 are provided vertically on the back surface of the lower end horizontal flange 2a of the long side wall 2, the long side wall 2 is erected substantially vertically on the long side bank portion 1a of the bottom portion 1. In addition, a fitting space A3 in which the fitting member 20 suspended from the back surface of the lower horizontal flange 2a of the long side wall 2 can be fitted is formed. Further, a rod fitting is fitted to the lower horizontal flange 2a of the long side wall 2. When the rod fitting block 10 having the combined space A1 is vertically suspended and the long side wall 2 is erected substantially vertically on the long side bank portion 1a of the bottom 1, the bottom side horizontal flange 2a of the long side wall 2 is When the recessed part 11 for fitting block insertion which can be fitted with the rod fitting block 10 suspended is formed. In addition, a lock member disposition space A2 is formed in the long side bank portion 1b of the bottom 1, and when the long side wall 2 stands substantially vertically in the lock member disposition space A2, the long side wall 2 is formed. A lock member S1 having a fitting rod portion s2 that can be fitted into a rod fitting space A1 of a rod fitting block 10 that is suspended from the lower end horizontal flange 2a is disposed so as to be slidable in the horizontal direction. is there.

  As described above, a plurality of fitting members 20 are provided vertically on the back surface of the lower end horizontal flange 2 a of the long side wall 2, and the long side wall 2 is erected substantially vertically on the long side bank portion 1 a of the bottom portion 1. The fitting side wall 2 of the folding container assembled in a box shape is formed because the fitting space 20 is formed in which the fitting member 20 suspended from the lower surface of the lower horizontal flange 2a of the long side wall 2 can be fitted. In addition, even when a load is applied from the outside, the long side wall 2 can be prevented from being tilted or curved inward.

  Further, as disclosed in Patent Document 1 described above, a fitting member is provided on the back surface of the lower end horizontal flange 2a of the long side wall 2 as compared with the long side wall provided with a tilt suppressing member capable of moving up and down. 20 and the long side bank portion 1a of the bottom portion 1 has a simple configuration in which a fitting space portion A3 into which the fitting member 20 can be fitted is formed. Many fitting spaces A3. Therefore, when a load is applied from the outside to the long side wall 2 of the folding container assembled in a box shape, the long side wall 2 is reliably prevented from being tilted or curved inward. can do.

  Furthermore, the plurality of fitting members 20 suspended from the bottom surface of the lower horizontal flange 2a are formed on the long side bank portion 1a of the bottom portion 1 simply by lowering the long side wall standing substantially vertically. Since it can be fitted to the fitting space A3 all at once, the workability of the assembly operation of the folding container is improved. Similarly, during the folding operation of the folding container, the plurality of fitting members 20 suspended from the back surface of the lower end horizontal flange 2a can be attached to the bottom portion 1 simply by raising the long side wall standing substantially vertically. Since it can discharge | emit simultaneously from the fitting space part A3 formed in the long side bank part 1a, the workability | operativity of the folding operation | work of a folding container improves.

  Furthermore, a rod fitting block 10 having a rod fitting space A1 is suspended from the lower end horizontal flange 2a of the long side wall 2, and the long side wall 2 is substantially vertical to the long side bank portion 1a of the bottom portion 1. And a fitting block insertion recess 11 into which the rod fitting block 10 suspended from the lower horizontal flange 2a of the long side wall 2 can be fitted, and the long side bank portion of the bottom 1 A lock member disposition space A2 is formed in 1b. When the long side wall 2 is erected substantially vertically in the lock member disposition space A2, a rod suspended from the lower horizontal flange 2a of the long side wall 2 is provided. Since the lock member S1 having the fitting rod portion s2 that can be fitted into the rod fitting space portion A1 of the fitting block 10 is slidable in the horizontal direction, the folding container assembled in a box shape is long. Hold the side wall 2 and hold it upward Even if the long side wall 2 is raised, the long side wall 2 is not separated from the long side bank portion 1 a of the bottom portion 1, so that the long side wall 2 is lifted and fitted to the lower horizontal flange 2 a of the long side wall 2. The joint member 20 can be prevented from coming out of the fitting space portion A3 formed in the long side bank portion 1a of the bottom portion 1.

  Still further, a rod fitting block 10 having a rod fitting space A1 is suspended from the lower end horizontal flange 2a of the long side wall 2, and the long side wall 2 is substantially vertical to the long side bank portion 1a of the bottom portion 1. And a fitting block insertion recess 11 into which the rod fitting block 10 suspended from the lower horizontal flange 2a of the long side wall 2 can be fitted, and the long side bank portion of the bottom 1 A lock member disposition space A2 is formed in 1b. When the long side wall 2 is erected substantially vertically in the lock member disposition space A2, a rod suspended from the lower horizontal flange 2a of the long side wall 2 is provided. Since the lock member S1 having the fitting rod portion s2 that can be fitted into the rod fitting space portion A1 of the fitting block 10 is slidable in the horizontal direction, the folding container assembled in a box shape is long. Hold the side wall 2 and hold it upward Even if it is raised, the long side wall 2 is not separated from the long side bank portion 1a of the bottom portion 1. Therefore, the female hinge member H1 and the long side wall disposed on the long side side bank portion 1a of the bottom portion 1 are not provided. It can prevent that the male hinge member H2 arrange | positioned by 2 is damaged.

  In the embodiment described above, the male hinge member H2 disposed on the long side wall 2 is hinge-coupled to the female hinge member H1 disposed on the long side bank portion 1a of the bottom portion 1 so as to be movable up and down. At the same time, a fitting member 20 is suspended from the back surface of the lower horizontal flange 2a of the long side wall 2 and is fitted to the long side bank portion 1a of the bottom 1 so as to be suspended from the back surface of the lower horizontal flange 2a of the long side wall 2. Although the example which formed fitting space part A3 which can fit the joining member 20 is shown, male hinge member H2 arrange | positioned by the short side wall 3 is arrange | positioned by the short side bank part 1b of the bottom part 1 The female hinge member H1 is hinged so as to be movable up and down, and a fitting member 20 is provided on the back surface of the lower horizontal flange 3a of the short side wall 3 so that the short side bank portion 1b of the bottom portion 1 has a short side. The fitting space in which the fitting member 20 suspended from the back surface of the lower end horizontal flange 3a of the side wall 3 can be fitted. A3 is formed, it is also possible that the short side wall 3 erected substantially vertically configured to suppress such curved or inclined inward. In this case, the rod fitting block 10 having the rod fitting space portion A1 is suspended on the back surface of the lower end horizontal flange 3a of the short side wall 3, and the fitting block insertion recess into which the rod fitting block 10 can be inserted. 11 is formed in the short side bank portion 1b of the bottom portion 1, a lock member arrangement space A2 is formed in the short side bank portion 1b of the bottom portion 1, and the lock member S1 is formed in the lock member arrangement space A2. It is arranged to be slidable in the horizontal direction.

FIG. 1 is a perspective view of the folding container of the present invention assembled in a box shape. FIG. 2 is a perspective view of the folding container according to the present invention during assembly or folding. FIG. 3 is a perspective view of the folded container of the present invention in a folded state. FIG. 4 is a partially exploded perspective view of the long side wall and the bottom of the folding container of the present invention. FIG. 5 is also a partially exploded perspective view of the long side wall and the bottom of the folding container of the present invention. FIG. 6 is a partial vertical sectional view of the folding container of the present invention in a folded state. FIG. 7 is a partial vertical cross-sectional view of the folding container according to the present invention in a state where the long side wall is erected. FIG. 8 is a partially exploded perspective view of the short side wall and the bottom of the folding container of the present invention. FIG. 9 is a partial vertical sectional view of the folding container according to the present invention in a state where the short side wall is erected. FIG. 10 is a partially exploded perspective view of the bottom of the folding container and the lock member of the present invention. FIG. 11 is a partial vertical cross-sectional view of the folding container according to the present invention in a state where the long side wall is erected. FIG. 12 is a partially exploded perspective view of the long side wall and the bottom of the folding container of the present invention. FIG. 13 is a partial vertical cross-sectional view of the folding container according to the present invention in a state where the long side wall is erected. FIG. 14 is also a partial vertical sectional view of the folding container according to the present invention in a state where the long side wall is erected.

Explanation of symbols

A1 ... Rod fitting space A2 ... Lock member installation space A3 ... ··· Fitting space H1 ····································································・ ・ ・ ・ Lock member 1 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Bottom 1a ・ ・ ・ ・ ・ ・ ・ ・ Long side bank 2 ・ ・ ・ ・ ・ ・ ・ ・······································································································ ···················································································································

Claims (1)

  Folding the bottom part and the opposing long side wall hinged to the bottom part as well as the opposing short side wall hinged to the bottom part, and folding the opposing long side wall and the opposing short side wall so as to overlap the bottom part In the folding container capable of moving, the male hinge member disposed on the long side wall is hinged to the female hinge member disposed on the long side bank portion of the bottom portion so as to be movable up and down. A plurality of fitting members are vertically suspended from the lower horizontal flange of the bottom, and the fitting member can be fitted to the long side bank portion of the bottom portion when the long side wall is set up substantially vertically. A space part is formed, and further, a rod fitting block having a rod fitting space part is suspended from the lower horizontal flange of the long side wall, and the long side wall part is substantially vertical to the long side bank part of the bottom part. When the rod is A recess for inserting a fitting block into which the block can be fitted is formed, and a lock member disposition space is formed in the long side bank portion of the bottom, and a long side wall is formed in the lock member disposition space. The lock member having a fitting rod portion that can be fitted into the rod fitting space portion of the rod fitting block suspended from the horizontal flange at the lower end of the long side wall slides in the horizontal direction when A folding container characterized by being arranged in a possible manner.

Images