JP2014076839A - Foldable container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a foldable container with an improved workability for taking out articles therefrom, by not allowing the formation of a gap between a female hinge member and a male hinge member so as to enabling prevention of articles' entering into the gap.SOLUTION: A foldable container is provided, in which a male hinge member H2 comprises: a male hinge body H2'; and a gap closing cover member H2'' that is slidable in a horizontal direction with respect to the hinge body H2'. The width between opposing vertical ends h100b of the gap closing cover H2'' included in the male hinge member H2, and the width of a cutout recessed part h2 formed in an inner wall part 1a1 of a bank part 1' of the female hinge member H1 are formed almost the same width so that articles contained in the foldable container do not enter between the gap closing cover member H2'' and the cutout recessed part h2.

Description

  The present invention relates to a foldable folding container that includes a bottom portion and a side wall hinged to the bottom portion.

  Conventionally, there is a folding container in which one opposing side wall is hinged to an opposing bank portion having a low bottom, and the other opposing side wall is hinged to an opposing bank portion having a high bottom. To fold a known, box-shaped folding container, first lay down one opposing side wall hinged to the opposite bottom bank and overlap the bottom. Fold the folding container to the height by tilting the other opposing side wall hinged to the opposite high bank on the bottom so that it overlaps the other opposing side wall superimposed on the bottom. The other side wall of the folded container in the folded state is substantially vertically suspended. To stand, then the one opposing side wall of the substantially horizontal state, the stand substantially vertically, and is configured to be able to a box-type state.

  Assembling the one opposite side wall and the other opposite side wall to the bottom described above includes a female hinge member disposed on one opposite bank portion of the bottom portion and the other opposite bank portion of the bottom portion, and It is configured to be performed by hinge-connecting one opposing side wall and a male hinge member disposed on the other opposing side wall.

  The female hinge member formed on the bank portion at the bottom is composed of a vertical hole, a notch recess, a hook, and the like formed on the bank portion, and on the other hand, a male hinge suspended from the lower flange of the side wall The member is composed of a pair of support pieces, a connecting piece, and a hinge block having a contact block portion. The female hinge member and the male hinge member having such a configuration are well known before the filing of the present application, and such a female hinge member and a male hinge member are disclosed in Patent Documents 1 to 3, and the like.

Japanese Patent Laid-Open No. 2004-42998 JP-A-2005-126107 JP 2005-126108 A

  In the conventional folding container described above, when the folding container is assembled into a box shape, the female hinge member formed on the bottom bank and the female member are viewed from the inside of the folding container assembled into the box shape. Dimensions between the male hinge member hinged to the hinge member, due to shrinkage or deformation after molding of the female hinge member or the male hinge member, and the fitting between the female hinge member and the male hinge member Because of the need for intersections, gaps are created.

  As described above, when a gap is formed between the female hinge member and the male hinge member in a state where the folding container is assembled in the box shape, the folding container is accommodated in the folding container assembled in the box shape. There is a problem that the workability of taking out the article is deteriorated when the taken article enters and the stored article is taken out from the folding container.

  Moreover, when the articles accommodated in the folding container are granular or linear that can enter the gap, it is difficult to take out all the articles that have entered the gap from the folding container.

  Furthermore, if the article that has entered the gap remains in the folding container assembled in a box shape, the article that has entered the gap may rotate toward the bottom of the side wall when the folding container assembled in a box shape is folded. If the forcible rotation of the side wall toward the bottom is forced to damage the female hinge member and the male hinge member, and eventually the folding container itself will be damaged. Become.

  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 is disposed on the bottom, the female hinge member disposed on the high bank and the low bank, and the high side wall and the low side wall. In the folding container configured to be assembled by hinge-connecting the female hinge member and the male hinge member, first, the male hinge member includes the male hinge body and the male hinge member. The gap closing cover member is slidable in the horizontal direction with respect to the hinge body, and the lateral width between the opposed vertical ends of the gap closing cover member constituting the male hinge member and the notch recess of the female hinge member The lateral width is formed to be substantially the same width so that articles accommodated in the folding container do not enter between the gap closing cover member and the notch recess. Second, the folding container When assembled in a box shape, the gap closing protrusion protruding from the tip corner of the bottom plate of the vertical hole constituting the female hinge member and the lower end of the gap closing cover member are in contact with or approaching each other. Third, inclined portions are formed at the corners on the bottom plate side of the bottom portion of the overhang portion extending from the upper surface of the high bank portion toward the upper surface of the lower side wall. In addition, the lower side wall is formed with a fitting recess into which the protruding portion is fitted when the lower side wall is tilted in the bottom direction, and the bottom of the fitting recess is An inclined portion is formed at the corner on the bottom plate side, and when the lower side wall is erected substantially vertically, the inclined portion formed in the projecting portion and the inclined portion formed in the fitting recess The part is configured to abut or approach.

  Since this invention has the structure mentioned above, there can exist the effect described below.

  A female hinge member having a bottom portion, a female hinge member disposed on a high bank portion and a low bank portion of the bottom portion, and a male hinge member disposed on a high side wall and a low side wall; In a folding container configured to be assembled by hinge-connecting a male hinge member, the male hinge member includes a male hinge body and a gap closing cover member that can slide in a horizontal direction with respect to the male hinge body The width between the opposing vertical ends of the gap closing cover member constituting the male hinge member and the width of the notch recess in the female hinge member are folded between the gap closing cover member and the notch recess. Since the articles accommodated in the container are formed to have substantially the same width so as not to enter, no gap is formed between the female hinge member and the male hinge member. It is possible to prevent the entry of articles, workability of the extraction work of the article from the folding container is improved.

  When the folding container is assembled into a box shape, the gap closing protrusion protruding from the tip corner of the bottom plate of the vertical hole constituting the female hinge member and the lower end of the gap closing cover member abut or Since it is configured so as to approach, there is no gap between the bottom plate and the lower end of the gap closing cover member, and therefore it is possible to prevent entry of articles into the gap and articles from the folding container. The workability of the take-out work is improved.

  An inclined portion is formed at the corner of the bottom plate side of the bottom of the projecting portion extending from the top surface of the high bank portion toward the top surface of the low side wall, and on the low side wall, A fitting recess into which the overhang is fitted when the lower side wall is tilted in the bottom direction is formed, and an inclined portion is formed at the corner on the bottom plate side of the bottom of the fitting recess. When the lower side wall is erected substantially vertically, the inclined portion formed in the overhanging portion and the inclined portion formed in the fitting recess are configured to contact or approach each other. As a result, there is no gap between the overhanging portion and the fitting concave portion. Therefore, it is possible to prevent the article from entering the gap, and the workability of taking out the article from the folding container is improved. Will improve.

FIG. 1 is a perspective view of a folding container of the present invention in a box shape. FIG. 2 is a perspective view of the bottom of the folding container of the present invention. FIG. 3 is an enlarged perspective view of a female hinge member disposed at the bottom of the folding container of the present invention. FIG. 4 is an enlarged vertical cross-sectional view of the female hinge member disposed at the bottom of the folding container of the present invention. FIG. 5 is an enlarged perspective view of a male hinge member disposed on the high side wall of the folding container of the present invention. FIG. 6 is an enlarged exploded perspective view of the male hinge member disposed on the high side wall of the folding container of the present invention. FIG. 7 is also an exploded perspective view of the male hinge member disposed on the high side wall of the folding container of the present invention. FIG. 8 is an enlarged perspective view of the male hinge member disposed on the high side wall of the folding container of the present invention. FIG. 9 is an enlarged vertical sectional view of the male hinge member disposed on the high side wall of the folding container of the present invention. FIG. 10 is an enlarged vertical cross-sectional view of the folding container according to the present invention in a state in which the high-side wall and the bottom are hinge-connected. FIG. 11 is an enlarged vertical sectional view of the folding container according to the present invention in a state in which the side wall on the high side is tilted toward the bottom. FIG. 12 is an exploded perspective view of the bottom, the lower side wall, and the higher side wall constituting the folding container of the present invention. FIG. 13 is an enlarged perspective view of the lower side wall constituting the folding container of the present invention. FIG. 14 is an enlarged horizontal sectional view of the lower side wall and the bottom constituting the folding container of the present invention in a state assembled in a box shape.

  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.

  First, the overall configuration of the folding container of the present invention will be described with reference to FIGS. 1 and 2.

  Reference numeral 1 denotes a bottom portion having a square shape in plan view, and the bottom portion 1 has one opposing bank portion 1a and the other opposing bank portion 1b, and the height of the opposing one bank portion 1a. The height is formed higher than the height of the other opposite bank portion 1b. Hereinafter, the one bank portion 1a that is higher than the height of the other bank portion 1b is referred to as a high bank portion 1a, and one of the opposite bank portions 1a is lower than the height of the one other bank portion 1a. The bank portion 1b is referred to as a low bank portion 1b. In addition, an appropriate number of female hinge members H1 to be described later are arranged at predetermined intervals on the high bank portion 1a and the low bank portion 1b.

  Reference numeral 2 denotes a high side wall that is hinged to the high bank 1a, and 3 denotes a low side wall that is hinged to the low bank 1b. The flange 2a is provided with a male hinge member H2, which will be described later, corresponding to the female hinge member H1, and the lower horizontal flange 3a of the lower side wall 3 corresponds to the female hinge member H1. A male hinge member H2, which will be described later, is disposed. In addition, the female hinge member H1 arrange | positioned at the high bank part 1a and the low bank part 1b has the same structure, and the male hinge member H2 arrange | positioned at the high part side wall 2 and low Since the male hinge member H2 disposed on the side wall 3 also has the same configuration, the following description will be made by taking the high bank portion 1a as an example.

  The female hinge member H1 will be described with reference to FIGS.

  The high bank portion 1a formed on the bottom portion 1 has an inner wall 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 wall portion 1a1. It is composed of a portion 1a2 and an outer wall portion 1a3 that extends downward from the edge of the horizontal portion 1a2 to the vicinity of the bottom plate 1c. It is formed in a letter shape.

  A vertical hole h1 having a rectangular planar shape is formed in the high bank portion 1a, and the upper wall is opened in the inner wall portion 1a1 of the high bank portion 1a and extends in the direction of the bottom plate 1c. A rectangular notch recess h2 is formed. Further, a hook h3 projects from the upper end of the inner surface of the inner wall 1a1 located on both sides of the notch recess h2 (the surface located on the outer wall 1a3 side). Furthermore, opposed guide inclined portions h4 are formed at the upper end corners of the horizontal portion 1a2 of the high bank portion 1a and the opposed vertical side portion h2a of the notch recess h2. A female hinge member H1 is configured by the vertical hole h1, the notch concave portion h2, the hook h3, and the guide inclined portion h4 formed in the high bank portion 1a.

  In FIG. 4, h1a is a bottom plate of the vertical hole h1, and a corner formed by the bottom plate h1a and the inner wall portion 1a1 where the vertical hole h1 is located, in other words, at a tip corner of the bottom plate h1a. A gap closing ridge h1b is formed facing upward.

  Next, the male hinge member H <b> 2 will be described with reference to FIGS. 5 to 9. The male hinge member H <b> 2 disposed on the high side wall 2 and the male hinge member H <b> 2 disposed on the low side wall 3. Since they have the same configuration, the male hinge member H2 will be described by taking the male hinge member H2 disposed on the high side wall 2 as an example.

  The male hinge member H2 suspended from the back surface of the lower end horizontal flange 2a of the high side wall 2 is horizontal to the male hinge body H2 'suspended from the back surface of the lower end horizontal flange 2a and the male hinge body H2'. The gap closing cover member H2 ″ is slidable in the direction.

  The male hinge body H2 ′ includes a pair of opposite side plate portions h10 perpendicular to the longitudinal direction of the lower end horizontal flange 2a, a connecting plate portion h11 that connects one vertical end of the pair of side plate portions h10, and a pair of side plates. Opposing horizontal connecting pieces h12 that connect the middle of the portion h10, and a hinge block that protrudes below the outer side surfaces of the pair of side plate portions h10 (surfaces opposite to the opposing surfaces of the pair of side plate portions h10). A contact block h13a having a substantially rectangular parallelepiped shape protrudes from the upper surface of the hinge block h13. Further, a through hole h14 is formed in a portion surrounded by the connecting plate portion h11, the pair of side plate portions h10, and the pair of horizontal connecting pieces h12, and the connecting plate portion h11 and the pair of side plate portions. Due to h10, the pair of horizontal connecting pieces h12, and the through holes h14, a horizontally long fitting hole E is formed in the male hinge body H2 ′ along the lower end horizontal flange 2a. Further, the bottom surface of the hinge block h13 is formed as a curved surface h13b curved downward. Note that h15 is a reinforcing vertical rib that bridges the horizontal connecting piece h12 positioned above and the lower horizontal flange 2a.

  The gap closing cover member H2 ″ includes a substantially rectangular closing plate portion h100 and a fitting protrusion h101 protruding from the closing plate portion h100. The vertical cross-sectional shape is formed in a substantially U-shape, and the upper and lower surfaces of the fitting protrusion h101 are configured to be elastically deformed by being formed in this manner, and the fitting protrusion Locking projections h101a project from the upper and lower surfaces of the tip of the portion h101.

  A triangular guide part h102 is formed at a corner formed by the upper end h100a of the closing plate part h100 of the gap closing cover member H2 ″ and the opposite vertical end h100b, and the upper end of the guide part h102 is closed. The upper end h100a of the plate part h100 is formed flush with the upper end h100a.

  The lateral width between the opposed vertical ends h100b of the gap closing cover member H2 ″ constituting the male hinge member H2, and the lateral width between the opposed vertical side portions h2a of the notch recess h2 formed in the inner wall portion 1a1 of the female hinge member H1. Is formed to have substantially the same width between the gap closing cover member H2 ″ and the cutout recess h2 so that articles contained in the folding container do not enter.

  FIG. 9 shows a fitting projection h101 projecting from the closing plate portion h100 of the gap closing cover member H2 ″ fitted into a horizontally long fitting hole E formed in the male hinge body H2 ′. Thus, the locking projections h101a projecting from the upper and lower surfaces of the fitting projection h101 enter into the locking recesses h12a formed on the opposing surfaces of the opposing horizontal connecting pieces h12 constituting the fitting hole E, The gap closing cover member H2 ″ is attached to the male hinge body H2 ′. In this way, when the gap closing cover member H2 ″ is attached to the male hinge main body H2 ′, the fitting protrusion h101 of the gap closing cover member H2 ″ is a horizontally long shape formed on the male hinge main body H2 ′. It is configured to be slidable in the horizontal direction along the fitting hole E.

  As disclosed in Patent Documents 1 to 3 described above, the female hinge member H1 disposed on the bottom 1 and the male hinge member H2 disposed on the high side wall 2 and the bottom 1 are disposed. When the female hinge member H1 and the male hinge member H2 disposed on the lower side wall 3 are hinged and the high side wall 2 and the lower side wall 3 are set substantially vertically, In other words, when the folding container is assembled into a box shape, as shown in FIG. 10, the gap is closed at the tip corner of the bottom plate h1a of the vertical hole h1 formed in the bottom 1. The projecting ridge h1b and the lower end h100c of the gap closing cover member H2 ″ are configured to come into contact with or approach each other, and by configuring in this way, articles contained in the folding container are prevented from entering. Gap closing ridge h1b and gap closing cap Between the lower end h100c of over member H2 ", and is configured so that a gap is not formed.

  As described above, the female hinge member H1 disposed on the bottom 1 and the male hinge member H2 disposed on the high side wall 2 and the female hinge member H1 disposed on the bottom 1 and the low side wall 3 When the male hinge member H2 provided is hinge-connected, the high side wall 2 or the low side wall 3 is moved downward in the direction of the bottom 1 while being maintained in a substantially horizontal state. Thus, when the high side wall 2 or the low side wall 3 maintained in a substantially horizontal state is moved downward in the direction of the bottom 1, the opposing vertical end h100b of the gap closing cover member H2 ″ is A gap closing cover member is in contact with the guide inclined portion h4 formed at the upper end corner portion of the horizontal portion 1a2 of the high bank portion 1a and the opposed vertical side portion h2a of the notch concave portion h2, and along the guide inclined portion h4. The gap closing cover member H2 ″ slides in the horizontal direction so that the vertical center line of H2 ″ coincides with the vertical center line of the notch recess h2.

  When the folding container is assembled in a box shape, the guide inclined portion h4 formed in the high bank portion 1a and the low bank portion 1b and the triangular shape formed in the gap closing cover member H2 ″ are formed. Since the guide portion h102 is configured to contact or approach, the gap closing cover member H2 ″ of the male hinge member H2 and the notch recess h2 of the high bank portion 1a and the low bank portion 1b. It is possible to prevent a gap in which an article accommodated in the folding container enters between. When the folding container is assembled in a box shape, the guide inclined portion h4 formed in the high bank portion 1a and the low bank portion 1b and the triangular shape formed in the gap closing cover member H2 ″ are formed. Since the guide portion h102 is configured to contact or approach, the gap closing cover member H2 "does not move laterally with respect to the high bank portion 1a and the low bank portion 1b. Therefore, the bottom 1 and the high-side side wall 2 and the low-side side wall 3 can be hinge-connected in a stable state.

  As is well known, the male hinge member H2 disposed on the high side wall 2 and the female hinge member H1 disposed on the bottom 1 and the male hinge member H2 disposed on the low side wall 3 and the bottom. As shown in FIGS. 12 and 13, the folding container is assembled by connecting the female hinge member H <b> 1 disposed in 1 to each other by hinges. Between the both ends and the both ends of the lower bank portion 1b, a curved projecting portion M extending from the upper surface of the high bank portion 1a toward the upper surface of the lower bank portion 1b is formed. In addition, an inclined portion m1 that extends from the upper surface of the overhanging portion M to the upper surface of the lower bank portion 1b is formed at a corner portion of the bottom portion 1 of the overhanging portion M on the bottom plate 1c side.

  On the other hand, by forming the overhanging portion M between the both ends of the high bank portion 1a and the both ends of the low bank portion 1b, the lower end corner portions of the both ends of the low side wall 3 of the folding container are formed. Is formed with a fitting recess N into which the overhanging portion M is fitted when the lower side wall 3 is tilted in the direction of the bottom 1, and the bottom plate 1c side of the bottom 1 of the fitting recess N In the corner portion, an inclined portion n1 is formed corresponding to the inclined portion m1 formed in the overhang portion M described above.

  When the lower portion side wall 3 is erected substantially vertically, the inclined portion m1 formed in the overhanging portion M and the inclined portion n1 formed in the fitting concave portion N are in contact with or approach each other. Is configured to do. By comprising in this way, the low part side wall 3 of the overhang | projection part M formed in the bottom part 1 produced when standing substantially perpendicular | vertical and the fitting recessed part N formed in the low part side wall 3 The article accommodated in the folding container does not enter the gap between them.

E ········ Fitting hole H1 ··············· Female hinge member H2 ············ Male hinge member H2 ' ····················································································································································································・ ・ ・ ・ Bottom 1a ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ High Bank 1b ・ ・ ・ ・ ・ ・ Lower Bank 2 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・High side wall 3 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Lower side wall

Claims (3)

A female hinge member having a bottom portion, a female hinge member disposed on a high bank portion and a low bank portion of the bottom portion, and a male hinge member disposed on a high side wall and a low side wall; In a folding container configured to be assembled by hinge-connecting a male hinge member, the male hinge member includes a male hinge body and a gap closing cover member that can slide in a horizontal direction with respect to the male hinge body The width between the opposing vertical ends of the gap closing cover member constituting the male hinge member and the width of the notch recess in the female hinge member are folded between the gap closing cover member and the notch recess. A folding container having substantially the same width so that articles stored in the container do not enter. When the folding container is assembled into a box shape, the gap closing protrusion protruding from the tip corner of the bottom plate of the vertical hole constituting the female hinge member and the lower end of the gap closing cover member abut or The folding container according to claim 1, wherein the folding container is configured to approach. An inclined portion is formed at the corner of the bottom plate side of the bottom of the projecting portion extending from the top surface of the high bank portion toward the top surface of the low side wall, and on the low side wall, A fitting recess into which the overhang is fitted when the lower side wall is tilted in the bottom direction is formed, and an inclined portion is formed at the corner on the bottom plate side of the bottom of the fitting recess. When the lower side wall is erected substantially vertically, the inclined portion formed in the overhanging portion and the inclined portion formed in the fitting recess are configured to contact or approach each other. The folding container according to claim 1 or 2, wherein the folding container is provided.

Images