JP2006213349A - Folding container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a folding container in which any recessed part with a projecting piece for preventing movement inserted therein need not be formed in a back surface of a bottom part of a large box folding container, the strength and rigidity of the bottom part of the large box folding container are improved, and accordingly, the strength and rigidity of the container are improved. <P>SOLUTION: In the folding container, an upper pedestal part 1c is formed on both ends of another opposing bank part 1b higher than a bottom part 1, and a plate-like fitting projecting piece 1i is projected on an upper face of another opposing bank part located between the upper pedestal parts. A lower fitting pedestal part 1f to be fitted to a fitting recessed part 1d formed of a pair of upper pedestal parts and an upper face of another opposing bank part is formed on a lower face of another opposing bank part. In addition, a space S1 with the plate-like fitting projecting part to be inserted therein is formed between a division plate 1f4 to constitute the lower fitting pedestal part and a bottom peripheral wall 1h formed on a back surface of the bottom part. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention comprises a bottom, an opposing long side wall hinged to the opposing long side bank portion of the bottom, and an opposing short side wall hinged to the opposing short side bank portion of the bottom. It relates to a folding container.

  Conventionally, the planar shape is substantially the corner formed by the long side bank part formed along the long side opposite to the bottom part and the short side bank part formed along the short side opposite to the bottom part. A folding container in which an L-shaped protrusion is formed is disclosed in Patent Document 1 as an example.

JP 2001-335029 A

  When two folded containers are arranged side by side so that the long side banks at the bottom are in contact with each other, the long side bank of the projecting portions whose planar shape is substantially L-shaped is described above. The parts located on the part side are juxtaposed and project inside the folded container. In this way, on the folded containers placed in parallel with each other, the long side bank portion having a length approximately twice as long as the short side bank portion of the folding container described above and the length of the folding container described above. When folding containers (hereinafter referred to as a large box folding container) having a bottom part consisting of a short side bank part that is approximately the same length as the side bank part are stacked, they are placed on the back of the bottom part of the large box folding container. Is necessary to form a recess into which the portion located on the long side bank portion of the projecting portion having a substantially L-shaped planar shape can be inserted, but at the bottom of the large box folding container, When the concave portion is formed, the strength and rigidity of the bottom portion are lowered, and as a result, there is a problem that the strength and rigidity of the large box folding container is lowered.

  An object of the present invention is to solve the problems of conventional folding containers.

  A bottom portion, one opposing side wall hinged to one opposing bank portion of the bottom portion, and another opposite side wall hinged to the other opposing bank portion having a height higher than the bank portion; The upper pedestal portion is formed at both ends of the other opposing bank portion having a high height, and the upper surface of the other opposing bank portion located between the upper pedestal portions is A plate-like fitting projecting piece is formed, and the lower surface of the other opposing bank portion is formed by the pair of upper pedestal portions and the upper surface of the other opposing bank portion. Forming a lower fitting pedestal that can be fitted into the fitting recess, and further, between the partition plate constituting the lower fitting pedestal and the bottom peripheral wall formed on the back surface of the bottom Formed with a gap that can be inserted into A.

  By configuring the folding container as described above, when the folded containers in the folded state are stacked, the lower mating pedestal formed on the bottom of the folding container located above is positioned below. The folding container formed on the bottom of the folding container is fitted into the fitting recess, so that the folding container positioned above can prevent horizontal movement of the folding container positioned below in one direction. The fitting protrusions formed on the bottom bank part of the folding container located below are formed on the partition plate and the back of the bottom part constituting the lower fitting base part formed on the bottom part of the folding container located above. Inserted into the gap formed between the bottom peripheral wall and thus the folding container located above the folding container located below. It is possible to prevent the horizontal movement of the other direction of the toner. Therefore, the folded containers in the folded state can be stacked in a stable state.

  Also, unlike the conventional folding container, there is no projecting part with a substantially L-shaped planar shape at the bottom, so a movement-preventing projecting piece is inserted on the back of the bottom part of the large box folding container. It is not necessary to form a possible recess, and therefore the strength and rigidity of the bottom of the large box folding container is improved, and consequently the strength and rigidity of the large box folding container is improved.

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

  As shown in FIG. 1, the folding container is hinged to the bottom 1, the long side wall 2 hinged to the long side bank 1 a of the bottom 1, and the short side bank 1 b of the bottom 1. In this embodiment, the height of the short side bank portion 1b is higher than the height of the long side bank portion 1a. Then, as shown in FIG. 1, from the state of being assembled in a box shape, first, the long side wall 2 in the substantially vertical state is brought down so as to overlap the bottom portion 1, and then in the substantially vertical state The short side wall 3 is configured to be folded by being superimposed on the long side wall 2 superimposed on the bottom 1.

  Next, the bottom part 1 is demonstrated using FIG.2 and FIG.3.

  As described above, the bottom part 1 is formed with the long side bank part 1a formed along the long side of the bottom part 1 and the short side bank part 1b formed along the short side. The height of the side bank portion 1b is formed higher than the height of the long side bank portion 1a. Moreover, the short side fitting part 1d is formed in the short side bank part 1b by forming the short side upper base part 1c at both ends of the upper surface 1b1 of the short side bank part 1b. . Further, a pair of long side lower fitting bases 1e are formed at predetermined intervals in the vicinity of both ends of the lower surface 1a1 of the long side bank portion 1a. A short side lower fitting base portion 1f is formed at the center of the lower surface 1b2 of 1b.

  On the back surface of the bottom plate 1g of the bottom portion 1, there is a bottom peripheral wall 1h comprising an opposing long side wall 1h1 substantially parallel to the long side bank portion 1a and an opposing short side wall 1h2 substantially parallel to the short side bank portion 1b. Is formed. The long side lower fitting base 1e formed near both ends of the lower surface 1a1 of the long side bank 1a is formed at the same height as the bottom peripheral wall 1h.

  The short side lower fitting pedestal 1f formed at the center of the lower surface 1b2 of the short side bank 1b has an outer surface substantially flush with the outer surface 1b3 of the short side bank 1b, and the short side The side lower fitting pedestal portion 1f includes a horizontally long belt-like front plate 1f1 substantially parallel to the short side wall 1h2 forming the bottom peripheral wall 1h, and the lower surface 1b2 of the short side bank portion 1b and the belt shape from both ends of the belt-like front plate 1f1. From the opposite vertical side plate 1f2 extending in the direction of the short side wall 1h2 of the bottom peripheral wall 1h perpendicularly to the front plate 1f1, and the lower surface 1b2 of the short side bank portion 1b from the lower ends of the pair of reinforcing connecting side plates 1f2. The inclined side plate 1f3 is inclined in a direction away from each other, and two partition plates 1f4 that are substantially parallel to the vertical side plate 1f2 and formed between the vertical side plates 1f2. Between the vertical side plate 1f2 and the short side wall 1h2 of the bottom peripheral wall 1h, between the inclined side plate 1f3 and the short side wall 1h2 of the bottom peripheral wall 1h, and between the two partition plates 1f4 and the short side wall 1h2 of the bottom peripheral wall 1h. Each has a predetermined gap S1. Note that the number of partition plates 1f4 is not limited to two, and may be three or more.

  A pair of plate-like fitting protrusions 1i project between the pair of short side upper pedestals 1c formed at both ends of the upper surface 1b1 of the short side bank portion 1b with a predetermined gap therebetween. It is installed. In this embodiment, the fitting protrusion 1i protrudes from the upper surface 1b1 of the short side bank 1b located near the inner surface 1b4 of the short side bank 1b, and the inner surface 1i1 of the fitting protrusion 1i. And the inner surface 1b4 of the short side bank 1b are configured to be substantially flush with each other, and the upper end 1i2 of the fitting protrusion 1i does not exceed the upper surface 1c1 of the short side upper pedestal 1c. It is configured. In the present embodiment, an example is shown in which a pair of plate-like fitting protrusions 1i are provided in a protruding manner. However, the number of the fitting protrusions 1i may be one, or three or more. it can.

  As shown in FIG. 4, the upper end flange 2a of the long side wall 2 hinged to the long side bank portion 1a of the bottom 1 is formed flat, and the long side wall 2 has a long side. A well-known vertically long side wall-side engaging frame 2b is formed beyond both end portions of the side wall 2, and an appropriate number of fitting projections 2b1 are provided on the fitting frame 2b.

  As shown in FIG. 5, pedestal portions 3 b are formed at both ends of the upper end flange 3 a of the short side wall 3 on the short side wall 3 hinged to the short side bank portion 1 b of the bottom portion 1. Accordingly, a short side wall-side fitting recess 3c is formed between the pedestal portions 3b, and an inner surface of the short side wall 3 (a surface located on the inner side of the folding container when the folding container is assembled into a box shape). ) A plate-like fitting horizontally long projecting piece 3d having a predetermined length is provided on the upper end flange 3a located on the edge portion 3 'and between the pedestal portions 3b. The short side wall 3 is formed with a known vertically long short side wall side engaging frame portion 3e substantially perpendicular to the short side wall 3, and the short side wall side engaging frame portion 3e has the above described long side wall side engagement. A fitting recess 3e1 and a fitting hole 3e2 are formed in which the fitting protrusion 2b1 formed in the fitting frame 2b is fitted. The uppermost fitting recess 2e1 formed in the long side wall side engaging frame part 2b is inserted into the uppermost fitting recess part 3e1 formed in the short side wall side engaging frame part 3e. However, the fitting recess 3e1 may be used as the fitting hole 3e2. Furthermore, a known elastic tongue piece 3f having a free end positioned on the side of the short side wall side engaging frame 3e is formed at both ends of the short side wall 3, and the locking tongue 3f1 is formed on the elastic tongue piece 3f. Is formed.

  As shown in FIG. 1, a fitting recess 3h is formed in the lower end flange 3g of the short side wall 3 by expanding two locations of the lower end flange 3g upward. When assembling the folding container into a box shape, a pair of fitting protrusions 1i formed on the upper surface 1b1 of the short side bank portion 1b of the bottom portion 1 is formed into a fitting recess 3h formed on the lower end flange 3g of the short side wall 3. Is inserted so as not to obstruct the vertical rotation of the short side wall 3.

  When the folding containers assembled in a box shape are stacked, the short side lower fitting pedestal portion 1f formed on the bottom 1 of the folding container located on the upper side is the short side wall of the folding container located below. The lower surface 1b2 of the short side bank portion 1b that is fitted in the short side wall fitting recess 3c formed in 3 and forms the bottom portion 1 of the folding container positioned above is short of the folding container positioned below. It is comprised so that it may mount in the upper surface of the base part 3b currently formed in the both ends of the upper end flange 3a of the side wall 3. As shown in FIG. Further, it is formed between the vertical side plate 1f2, the inclined side plate 1f3, the partition plate 1f4 and the short side wall 1h2 of the bottom peripheral wall 1h which constitute the short side lower fitting base portion 1f of the bottom portion 1 of the folding container located above. The fitting laterally long protruding piece 3d protruding from the upper end flange 3a of the short side wall 3 of the folding container located below is inserted into the gap S1. Further, the long side lower fitting pedestal portion 1e formed on the lower surface 1a1 of the long side bank portion 1a that forms the bottom portion 1 of the folding container positioned above is the upper end of the long side wall 2 of the folding container positioned below. It is comprised so that it may be mounted in the flange 2a.

  As described above, when folding containers assembled in a box shape are stacked, even if an upper folding container attempts to move horizontally along the long side wall 2 with respect to a lower folding container The vertical side plate 1f2, the inclined side plate 1f3 and the partition plate 1f4 constituting the lower side lower fitting base portion 1f of the bottom portion 1 of the folding container positioned above and the short side wall 1h2 of the bottom peripheral wall 1h are formed. Since the fitting laterally long protruding piece 3d protruding from the upper end flange 3a of the short side wall 3 of the folding container located below is inserted into the gap S1 that is located below, the folding container located above is attached to the long side wall 2 And the upper folding container moves along the short side wall 3 with respect to the lower folding container. Even if it is going to move horizontally, the short side side lower fitting base portion 1f formed on the bottom portion 1 of the folding container located on the upper side is formed into the short side wall fitting recess formed on the short side wall 3 of the folding container located below. Since the folding container positioned above does not move horizontally along the short side wall 3, the folding containers assembled in a box shape are kept in a stable state. It is configured so that it can be stacked.

  When the folded containers in the folded state are stacked, the lower side fitting mating base part 1f formed on the bottom part 1 of the folding container located on the upper side causes the bottom part 1 of the folding container located on the lower side. The short side bank portion 1b is configured to be fitted in the short side fitting recess 1d formed between the short side upper pedestal portions 1c. There is no horizontal movement along the short side bank portion 1b of the bottom portion 1 of the folding container located below.

  In addition, the pair of fitting protrusions 1i formed on the upper surface 1b1 of the short side bank portion 1b of the bottom portion 1 of the folded container positioned in the lower position are folded in the folded condition in which the pair of fitting protrusions 1i are positioned in the upper position. It is configured to be inserted into a gap S1 formed between a pair of partition plates 1f4 constituting the lower side lower fitting base portion 1f of the bottom portion 1 and the short side wall 1h2 of the bottom peripheral wall 1h. . Accordingly, even if the upper folding container attempts to move horizontally along the long side bank portion 1a of the bottom portion 1 with respect to the lower folding container, the short side of the bottom portion 1 of the folding container located on the upper side. The short side bank portion 1b of the bottom portion 1 of the folding container located below in the gap S1 formed between the partition plate 1f4 constituting the lower side fitting base portion 1f and the short side wall 1h2 of the bottom peripheral wall 1h. Since the fitting protrusion 1i formed on the upper surface 1b1 is inserted, the folding container positioned above does not move horizontally along the long side bank portion 1a of the bottom portion 1.

  As described above, when the folded containers in the folded state are stacked, the folding containers located on the upper side are the long side bank part 1a and the short side bank part of the bottom part 1 of the folding container located below. Since there is no horizontal movement along 1b, the folded containers in the folded state can be stacked in a stable state.

  Further, like a conventional folding container, a protrusion having a substantially planar shape and a substantially L-shape is formed at a corner formed by the long side bank portion 1a and the short side bank portion 1b constituting the bottom portion 1. Since it is not formed, a portion located on the long side bank portion side of the substantially L-shaped projecting portion formed on the conventional bottom portion can be inserted into the back surface of the bottom portion of the large box folding container. There is no need to form a recess, and therefore the strength and rigidity of the bottom of the large box folding container are improved, and consequently the strength and rigidity of the large box folding container are improved.

  When the folded container in the folded state is assembled into a box shape, the short side wall 3 in the substantially horizontal state is set up substantially vertically, and then the long side wall 2 in the substantially horizontal state is rotated vertically. However, when the long side wall side engaging frame portion 2b of the long side wall 2 approaches the short side wall side engaging frame portion 3e of the short side wall 3, the fitting protrusion 2b1 of the long side wall side engaging frame portion 2b is The engaging protrusion 3f of the elastic tongue piece 3f formed in the short side wall 3 is fitted into the fitting recess 3e1 or the fitting hole 3e2 of the short side wall engaging frame 3e. 3f1, the elastic tongue piece 3f is bent outwardly against the elastic force, and when the long side wall-side engagement frame portion 2b exceeds the locking projection 3f1 of the elastic tongue piece 3f, The elastic tongue piece 3f returns to its original position by its restoring force, and the long side wall side engaging frame portion 2b is connected to the short side wall side engaging frame portion 3e. It will be held between the locking projection 3f1 sex tongue 3f. In this way, the folded container in the folded state is assembled into a box shape, but even if the long side wall 3 tries to rotate inward in the state assembled in the box shape, The mating frame portion 2b comes into contact with the locking projection 3f1 of the elastic tongue 3f formed on the short side wall 3, so that the inward rotation of the long side wall 2 is prevented.

  In addition, in order to fold the folded container assembled in a box shape, the elastic tongue 3f formed on the short side wall 3 is elastically deformed outward as is well known, and the locking protrusion of the elastic tongue 3f 3 f 1 is removed from the long side wall-side engagement frame 2 b of the long side wall 2, and then the long side wall 2 is rotated inward to overlap the bottom 1. Next, the short side wall 3 is turned inward, and the short side wall 3 is overlapped with the long side wall 2 superimposed on the bottom portion 1 so as to be folded. The long side bank portion 1a of the bottom portion 1 has a fitting recess 1a2 into which the short side wall side engaging frame portion 3e of the short side wall 3 is fitted when the folding container is folded as described above. Is formed.

  In addition, in the folded state with the height of the long side bank portion 1a of the bottom portion 1 being higher than the height of the short side bank portion 1b, the short side wall 3 is superimposed almost horizontally on the bottom portion 1 in a folded state. The long side wall 2 can also be configured to overlap the short side wall 3 in a substantially horizontal state. In this case, first, the short side wall 3 is erected substantially vertically, and then the long side wall 2 is erected substantially vertically, and the folding container is assembled into a box shape. In this embodiment, the long side wall side engaging frame portion 2 b is formed on the short side wall 3, and the short side wall side engaging frame portion 3 e and the elastic tongue piece 3 f are formed on the long side wall 2. Furthermore, the short side lower fitting base 1f and the short side fitting recess 1d formed on the short side bank 1b are formed on the long side 1a, and the long side bank 1a. The formed long side lower fitting base 1e, the fitting recess 1a2, and the like are formed on the short side bank 1b.

FIG. 1 is a perspective view of the folding container of the present invention in a state of being assembled into a box shape. FIG. 2 is a perspective view from above of the bottom part of the folding container of the present invention. FIG. 3 is a perspective view of the bottom of the folding container of the present invention from the back side. FIG. 4 is a partial perspective view of a long side wall constituting the folding container of the present invention. FIG. 5 is a partial perspective view of a short side wall constituting the folding container of the present invention.

Explanation of symbols

1 ............ Bottom 1d ......... Short side fitting recess 1f ...・ ・ ・ Short side lower fitting base 1h ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Bottom peripheral wall 1i ・ ・ ・ ・ ・ ・ ・ ・ Fitting protrusion 2 ・ ・・ ・ ・ ・ ・ ・ ・ ・ Long side wall 3 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Short side wall

Claims (1)

  A bottom portion, one opposing side wall hinged to one opposing bank portion of the bottom portion, and another opposite side wall hinged to the other opposing bank portion having a height higher than the bank portion; In the folding container, the upper pedestal portion is formed at both ends of the other opposite high bank portion, and the upper surface of the bank portion located between the upper pedestal portions has a fitting protrusion. And can be fitted into a fitting recess formed by the pair of upper pedestal portions and the upper surface of the other opposite bank portion on the lower surface of the other opposite bank portion. A gap that allows the fitting protrusion to be inserted is formed between a partition plate forming the lower fitting pedestal portion and a bottom peripheral wall formed on the back surface of the bottom portion. Folding container characterized by being formed Over.

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