JP4576248B2 - Assembling the folding container - Google Patents

Description

  The present invention relates to a method for assembling a folding container used for storage, transportation or transportation of various articles.

  Conventionally, a frame-shaped upper frame, a bottom, a side wall that is hinged at the upper end of the upper frame and that can be rotated inward of the folding container (hereinafter, this side wall is referred to as a flip-up side wall), and upper and lower sides And an upper divided side wall and a lower divided side wall connected via an appropriate hinge portion, and an upper end portion of the upper divided side wall is hinged to the upper frame, and A folding container is known in which the lower end of the lower divided side wall is hinged to the bottom.

  The folding container described above is assembled in a box shape. First, the flip-up side wall in a substantially vertical state is rotated inward of the folding container, and then the upper frame is moved closer to the bottom and the upper frame is moved upward. By overlapping the divided side wall and the lower divided side wall, the upper frame can be folded into a state of being overlapped with the bottom. Also, from the folded state, the upper frame is lifted so that the upper divided side wall and the lower divided side wall are substantially flush with each other, and the flip-up side walls are substantially vertical, and assembled into a box shape. It is configured to be able to.

  In the conventional folding container described above, when the upper frame and the upper divided side wall are hingedly connected, the hinge portion of the upper divided side wall is brought into contact with the hinge portion of the upper frame from below so that the upper divided side wall is By connecting the hinge part and the hinge part of the upper frame, the upper divided side wall is assembled to the upper frame, and when the hinge of the bottom part and the lower divided side wall is connected, the lower divided side wall is substantially parallel to the bottom part. Next, the lower split side wall is connected to the bottom by connecting the hinge part of the lower split side wall and the bottom hinge part by bringing the hinge part of the lower split side wall into contact with the hinge part of the bottom part from above. Was assembled. Before and after the upper frame and upper divided side wall hinge connection work and the bottom and lower divided side wall hinge connection work, the upper divided side wall and the lower divided side wall are hinged to each other so that the upper frame and the upper part of the folding container are connected to each other. The divided side wall, the lower divided side wall, and the bottom were assembled. Such a folding container assembling method is disclosed in Patent Document 1 as an example.

JP-A-11-147523

  In the conventional folding container described above, the hinge connection work between the upper frame and the upper divided side wall and the hinge connection work between the lower divided side wall and the bottom part must be performed in separate processes, and it takes time to assemble the folding container. There was a problem of requiring.

  In addition, the hinge part of the upper divided side wall and the hinge part of the upper frame, and the hinge part of the lower divided side wall and the hinge part of the bottom part are hinge parts that are connected with a large force so that the hinge parts that are hinge-connected do not come apart. Due to the structure, there are problems that it takes time to assemble and skill is required.

  Further, as described above, when the hinge part of the upper divided side wall is connected to the hinge part of the upper frame from below and the hinge part of the upper divided side wall and the hinge part of the upper frame are connected, the article is accommodated. There is a problem that the hinge portion, the upper divided side wall, and the hinge portion of the upper frame come off when the box-shaped folded container is lifted or transported while holding the upper frame.

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

In order to achieve the above-mentioned object, the present invention comprises an upper frame, a bottom, a flip-up side wall whose upper end is pivotally supported by the upper frame, and a divided side wall having an upper divided side wall and a lower divided side wall. In the method of assembling the folding container, the upper divided side wall and the lower divided side wall connected in a hinged manner are arranged on the bottom, and further, the upper divided side wall and the upper divided side wall in the superposed state connected to the hinge are placed on the bottom divided side wall. The upper frame is disposed on the flip-up side wall, and the upper frame is then moved downward, whereby the upper frame and the upper divided side wall, the upper frame and the upper side wall are separated from each other. The bottom portion is configured to be hinged at the same time.

  An upper frame is disposed above the upper and lower divided sidewalls in the overlapped state with hinges, and a bottom portion is disposed below the upper and lower divided sidewalls in the overlapped state with hinges. By lowering the frame, the lower divided side wall and the bottom and the upper divided side wall and the upper frame are hingedly connected, so that the lower divided side wall is assembled to the bottom and the upper divided side wall is assembled to the upper frame. Thus, assembling time of the upper frame, the bottom, the raised side wall, the upper divided side wall, and the lower divided side wall constituting the folding container can be reduced.

  Arranged on the bottom are hinged superposed upper and lower divided side walls, and on top of the hinged superposed upper and lower divided side walls, arrange a flip-up side wall, Furthermore, the upper frame is disposed on the flip-up side wall, and then the upper frame is moved downward, so that the upper frame and the upper split side wall, the upper frame and the lift-up side wall, and the lower split side wall and the bottom are simultaneously hinged. Since it has constituted so that it may connect, the assembly time of a folding container can further be shortened.

  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 includes an upper frame 1, a bottom portion 2, a short side frame 1 a facing the upper frame 1, a flip-up side wall 3 whose upper end is hinged, and a long side frame 1 b facing the upper frame 1, It has an upper divided side wall 4 ′ whose upper end is hinged and a lower divided side wall 4 ″ whose lower end is hinged on the opposing long side 2 a of the bottom 2. The lower end of the side wall 4 ′ and the upper end of the lower divided side wall 4 ″ are hinged.

  The substantially vertical flip-up side wall 3 of the box-shaped folding container shown in FIG. 1 is rotated in the inner direction of the folding container to be in a substantially horizontal state, and then the upper divided side wall 4 ′ and the lower divided side wall 4. As shown in FIG. 2, the box-shaped folding container is moved by moving the hinge connecting portion of “in” toward the inside of the folding container and overlapping the upper divided side wall 4 ′ and the lower divided side wall 4 ”. In addition, the upper frame 1 can be folded into a compact state with a low height in a state where the upper frame 1 is overlapped with the bottom 2. Further, the upper frame 1 is lifted with respect to the bottom 2 so that the upper divided side wall 4 ′ and the lower divided side wall 4 ″, which are overlapped in a substantially horizontal state, stand substantially vertically so as to be substantially flush with each other. The folding container 3 is configured to be assembled into a box shape by rotating the flip-up side wall 3 whose upper end is hinged to the upper frame 1 from the substantially horizontal state to the vertical direction. ing.

  Next, the hinge member formed in the upper frame 1 will be described with reference to FIGS.

  The short side frame 1a of the frame-shaped upper frame 1 includes a horizontal portion 1a1, an inner wall portion 1a2 suspended substantially perpendicularly to the horizontal portion 1a1 from an inner edge portion of the horizontal portion 1a1, and an outer edge of the horizontal portion 1a1. The outer wall portion 1a3 is suspended from the horizontal portion 1a1 substantially perpendicularly to the horizontal portion 1a1, and the height of the inner wall portion 1a2 from the horizontal portion 1a1 is higher than the horizontal portion 1a1 of the outer wall portion 1a3. It is formed lower than this.

  Similarly, the long side frame 1b of the upper frame 1 includes a horizontal portion 1b1, an inner wall portion 1b2 suspended substantially perpendicularly to the horizontal portion 1b1 from the inner edge portion of the horizontal portion 1b1, and an outer edge of the horizontal portion 1b1. And the outer wall 1b3 that is suspended substantially perpendicularly to the horizontal part 1b1, and the height of the inner wall 1b2 from the horizontal part 1b1 is higher than the horizontal part 1b1 of the outer wall 1b3. It is formed lower than this.

  Further, the outer wall portion 1a3 constituting the short side frame 1a of the upper frame 1 and the outer wall portion 1b3 constituting the long side frame 1b are formed at the same height and constitute the short side frame 1a of the upper frame 1. The height of the inner wall portion 1a2 to be formed is lower than the height of the inner wall portion 1b2 constituting the long side frame 1b. In the present embodiment, the height of the inner wall portion 1a2 constituting the short side frame 1a is formed to be approximately half the height of the inner wall portion 1b2 constituting the long side frame 1b.

  The short side frame 1a is formed in a region located near both ends of the inner surface 1a3 ′ of the outer wall portion 1a3 constituting the short side frame 1a and below the lower end of the inner wall portion 1b2 constituting the long side frame 1b. A cantilever hinge pin h1 that is substantially perpendicular to the inner surface 1a3 ′ of the outer wall portion 1a3 is attached.

  Hinge pin mounting members 5 are formed on the long side frame 1b at predetermined intervals along the longitudinal direction of the long side frame 1b. The hinge pin mounting member 5 has a partition wall 5a that is perpendicular to the longitudinal direction of the long side frame 1b and extends to the vicinity of the lower end of the outer wall portion 1b3 beyond the inner wall portion 1b2, and the inner wall portion 1b2 A cantilever hinge pin h1 that is substantially perpendicular to the partition wall 5a is attached to the partition wall 5a located below the lower end. Reference numeral 5b denotes a bridging horizontal rib that connects the lower end of the inner wall 1b2 and the middle of the outer wall 1b3, and is connected to the side surface of the partition wall 5a. 5c extends from the lower end of the outer wall 1b3 to the outer wall 1b3. It is a regulating rib projecting substantially perpendicularly. In the present embodiment, an example is shown in which two hinge pin mounting members 5 are formed across the center of the long side frame 1b in the longitudinal direction, and the cantilever hinge pins h1 are arranged on opposite partition walls 5a. An example is shown attached to the opposite side of the.

  A hinge hook engaging member 6 is formed on the long side frame 1b at a predetermined interval along the longitudinal direction of the long side frame 1b. The hinge hook engaging member 6 has a partition wall 6a perpendicular to the longitudinal direction of the long side frame 1b and extending to the vicinity of the lower end of the outer wall portion 1b3 beyond the inner wall portion 1b2. A support plate 6b is formed at the lower end of the inner wall portion 1b2 by extending the inner wall portion 1b2 downward and having one side end connected to the partition wall 6a. Further, a hook engaging rod-like portion 6c that is perpendicular to the partition wall 6a and has one end connected to the partition wall 6a is formed at the lower portion of the inner surface of the support plate 6b that faces the outer wall portion 1b3. 6d is a bridging horizontal rib that connects the lower end of the inner wall 1b2 and the middle of the outer wall 1b3 and is connected to the side surface of the partition wall 6a. 6e is a lower end of the partition wall 6a and the outer wall 1b3. This is a restriction rib formed substantially at the corner formed by the above-described method and substantially parallel to the hook engaging rod-like portion 6c. In the present embodiment, between the pair of hinge pin mounting members 5 described above, one hinge hook engaging member 6 and one hinge between each hinge pin mounting member 5 and both ends of the long side frame 1b. An example is shown in which a total of four hook hook engaging members 6 of the hook engaging members 6 are formed, and the hinge hook engaging member 6 formed between the pair of hinge pin mounting members 5 is a hook engaging member. The end surface of the rod-like portion 6c is arranged so as to be located on the opposite side, and the hinge hook engaging member 6 formed between the hinge pin mounting member 5 and both ends of the long side frame 1b is a hook. The example arrange | positioned so that the end surfaces of the engagement rod-shaped part 6c may face each other is shown.

  The short side frame 1a is formed with a female hinge member 7 for a raised side wall at a predetermined interval along the longitudinal direction of the short side frame 1a. The flip-up side wall female hinge member 7 has a partition wall 7a extending beyond the inner wall 1a2 to the middle of the outer wall 1a3, and a recess is formed on the upper surface at the lower end of the side surface of the partition wall 7a. A semi-cylindrical hook portion 7b is attached. In this embodiment, an example is shown in which four female hinge members 7 for the raised side walls are formed.

  Next, the hinge member formed at the upper end of the upper divided side wall 4 ′ will be described with reference to FIGS. 6 to 8.

  The upper divided side wall 4 'has a horizontally long rectangular plate-like portion 4a, and a strip-like upper end rib 4b substantially perpendicular to the plate-like portion 4a is formed at the upper end of the plate-like portion 4a. Further, the upper end rib 4b is formed with an upper wall 4c having a side surface shape (a shape viewed from the side end 4d side of the upper divided side wall 4 ') and having a substantially inverted J shape. The inner surface of the vertical portion 4c1 (the surface located inside the box-shaped folding container) and the inner surface of the plate-shaped portion 4a (the surface located inside the box-shaped folding container) 4a1 are formed substantially flush with each other. Has been. Further, an appropriate number of gaps 4c2 are formed in the substantially inverted J-shaped upper end wall 4c by deleting the upper end wall 4c. In this embodiment, an example in which six gaps 4c2 are formed is shown.

  At both ends in the length direction of the upper end rib 4b, the upper surface near the edge of the upper end rib 4b located on the outer surface of the plate-like portion 4a (surface located outside the box-shaped folding container) 4a2 is erected. The side shape (the shape seen from the side end surface 4d side of the upper divided side wall 4 ′) protrudes from the upper rib 4b so that the hook portion 8a and the tip of the hook portion 8a face each other. A hinge pin insertion member 8 made of the provided protrusion 8b is formed. The hinge pin insertion member 8 is open between the inner surface 4a1 side of the plate-like portion 4a and the side end surface 4d side of the upper divided side wall 4 ′, and is formed between the tip of the hook portion 8a and the upper end of the protrusion 8b. The gap is formed in a gap narrower than the diameter of the cantilever hinge pin h1 described above. The upper portion of the substantially inverted J-shaped hook portion 8a is connected to the upper portion of the above-described substantially inverted J-shaped upper end wall portion 4c, and is configured to be substantially flush with each other. A reinforcing wall 4c3 that closes the opening is formed at the opening on the hinge pin insertion member 8 side of the upper end wall 4c. In addition, 8c is a through-hole into which a metal mold for forming the protrusion 8b is inserted, which is formed in a substantially central portion of the substantially inverted J-shaped hook portion 8a.

  Further, an appropriate number of gaps 4c2 formed in the upper end wall portion 4c are also protruded from the upper end rib 4b so as to face the substantially inverted J-shaped hook portion 8a and the tip of the hook portion 8a. A hinge pin insertion member 8 comprising a protruding ridge 8b is formed, and the upper part of the substantially inverted J-shaped hook part 8a is connected to the upper part of the upper end wall part 4c located at one of the gaps 4c3. In addition, they are configured to be substantially flush with each other, and a slit S1 is formed between the other upper end wall portion 4c and the hinge pin insertion member 8. A reinforcing wall 4c3 that closes the opening is also formed in the opening of the upper end rib 4b that is located across the gap 4c2 in which the hinge pin insertion member 8 is formed.

  The above-described hinge pin insertion members 8 formed at both ends of the upper end rib 4b are hereinafter referred to as end side hinge pin insertion members, and an appropriate number of gaps are formed by removing the upper end wall portion 4c. Hereinafter, the hinge pin insertion member 8 formed in 4c2 is referred to as an intermediate hinge pin insertion member. In this embodiment, an example is shown in which two intermediate hinge pin insertion members 8 are formed at a predetermined interval.

  Of the gap 4c2 formed in the upper end wall portion 4c, the gap 4c2 in which the above-described intermediate hinge pin insertion member 8 is not formed has a substantially inverted J-shaped hook portion 8a constituting the hinge pin insertion member 8 described above. A female hinge hook member 9 having a substantially inverted J-shaped hook portion 9a is formed in the same side shape (the shape seen from the side end portion 4d side of the upper divided side wall 4 '). The upper part of the substantially inverted J-shaped hook part 9a is also connected to the upper part of the upper end wall part 4c located in one of the gaps 4c2, and is configured to be substantially flush with each other. A slit S1 is also formed between the other upper end wall portion 4c and the female hinge hook member 9, and the upper end rib 4b is located with a gap 4c2 in which the female hinge hook member 9 is formed. Reinforcing walls 4c3 that close the openings are also formed in the opposing openings. In this embodiment, two female hinge hook members 9 are formed in the gap 4c2 between the upper end ribs 4b located between the pair of intermediate hinge pin insertion members 8, and the end side hinge pin insertion member 8 is also formed. In this example, one female hinge hook member 9 is formed in each gap 4c2 located between the intermediate hinge pin insertion member 8 and the intermediate hinge pin insertion member 8. That is, in this embodiment, a total of four female hinge hook members 9 are formed.

  A pair of support plates 10a facing each other and perpendicular to the outer surface 4a2 are bridged along the lower end of the plate-like portion 4a at the lower end portion of the outer surface 4a2 of the plate-like portion 4a of the upper divided side wall 4 ′. A male hinge member 10A composed of a bridge hinge pin 10b formed as described above is formed at an appropriate interval. Further, end support plates 10c are formed at both ends of the lower end portion of the outer surface 4a2 of the plate-like portion 4a so as to face the support plate 10a, and are positioned on the male hinge member 10A side of the end support plate 10c. A cantilever hinge pin 10d is provided on the surface to be projected substantially perpendicularly to the surface. An end male hinge member 10B is formed by the end support plate 10c and the cantilever hinge pin 10d.

  Next, the hinge member formed at the lower end of the lower divided side wall 4 ″ will be described with reference to FIGS.

  The lower divided side wall 4 ″ also has a horizontally-long rectangular plate-like portion 4e that is substantially the same size as the above-described upper divided side wall 4 ′, and the lower end of the plate-like portion 4e is substantially the same as the plate-like portion 4e. A vertical belt-like lower end rib 4f is formed on the back surface of the lower end rib 4f and a pair of support plates 11a substantially perpendicular to the back surface of the lower end rib 4f and a bridge hinge pin formed so as to bridge the support plate 11a. An appropriate number of male hinge members 11 made of 11b are formed, and the lower end portion of the support plate 11a is formed in an arc shape, in this embodiment both end portions on the back surface of the lower end rib 4f. An example in which one male hinge member 11 is formed in the vicinity, and two male hinge members 11 are formed at a predetermined interval in the middle of the back surface of the lower end rib 4f. That is, there are a total of 4 on the back surface of the lower end rib 4f. In the following, the male hinge member 11 formed near both ends of the back surface of the lower end rib 4f is referred to as an end male hinge member, and the lower end rib 4f The male hinge member 11 formed in the middle of the back surface is referred to as an intermediate male hinge member.

  Further, a support plate 12a identical to the support plate 11a described above is suspended from the back surface of the lower end rib 4f, and the outer surface of the plate-like portion 4e (box-shaped folding) is provided on one side surface of the support plate 12a. Side face shape (side of the lower divided side wall 4 ″) formed from the edge of the lower end rib 4f located on the 4e1 side to the arcuate lower end along the periphery of the support plate 12a. A hook portion 12b having a substantially inverted J shape is formed on the end 4g side, and the female hinge hook member 12 is formed by the support plate 12a and the hook portion 12b having a substantially inverted J shape. A plurality of the female hinge hook members 12 having such a configuration are formed on the back surface of the lower end rib 4f at a predetermined interval. 1 each near the hinge member 11 An example in which a female hinge hook member 12 is formed and two female hinge hook members 12 are formed between a pair of intermediate male hinge members 11 is shown. A total of four female hinge hook members 12 are formed, and in the following, the female hinge hook member 12 formed near the end male hinge member 11 is referred to as a female hinge hook member closer to the end. The female hinge hook member 12 formed between the pair of intermediate male hinge members 11 is referred to as an intermediate female hinge hook member.

  In the present embodiment, the hook portion 12b of the pair of intermediate female hinge hook members 12 is formed on the side surface located on the side end portion 4g side of the lower divided side wall 4 '' of the support plate 12a. A hook portion 12b of the female hinge hook member 12 closer to the end is formed on a side surface of the support plate 12a located on the intermediate female hinge hook member 12 side.

  The support plates 12a of the pair of intermediate female hinge hook members 12 have substantially the same side surface shape (the shape viewed from the side end portion 4g side of the lower divided side wall 4 ") and the hook portion 12b having the substantially inverted J shape. It is connected by a reverse J-shaped hook-shaped connecting member 13. Also, the support plate 12a of the female hinge hook member 12 near the end and the support plate on the female hinge hook member 12 side of the end male hinge member 11 are provided. 11a is also connected by a substantially inverted J-shaped hook-like connecting member 14 similar to the hook-like connecting member 13 described above.

  Further, on the back surface of the lower end rib 4f, a hanging rib 15 having the same shape as the support plate 12a and substantially parallel to the support plate 12a is provided with a predetermined gap 4h from the female hinge hook member 12 near the end. It is installed vertically. The hanging rib 15 and the support plate 11a of the intermediate male hinge member 11 facing the hanging rib 15 are connected by a substantially inverted J-shaped hook-like connecting member 16 similar to the hook-like connecting member 13 described above. Has been.

  A slit 17 is formed at the upper end portion of the outer surface 4e1 of the plate-like portion 4e of the lower divided side wall 4 ″ at a predetermined interval so as to reach the upper end portion of the plate-like portion 4e. Corresponding to the male hinge member 10A formed at the lower end portion of the outer surface 4a2 of the plate-like portion 4a of the upper divided side wall 4 ', the same number of female hinge members 18A as the male hinge member 10A are formed. The hinge member 18A has a block-shaped main body 18a whose side surface shape (the shape viewed from the side end 4g side of the lower divided side wall 4 ″) is substantially C-shaped, and thus the side surface of the block-shaped main body 18a. By forming the shape into a substantially C shape, a hinge pin fitting recess 18b is formed in the block-shaped main body 18a. Further, at both ends of the upper end portion of the outer surface 4e1 of the plate-like portion 4e, similarly to the female hinge member 18A, an end having a substantially C-shaped block-like main body 18a and a hinge pin fitting recess 18b. A partial female hinge member 18B is formed. Reference numeral 19 denotes a reinforcing member composed of a cylindrical portion 19a and a conical portion 19b formed on the outer surface 4a2 of the plate-like portion 4a located in the vicinity of the slit 17 and in the vicinity of the end female hinge member 18B. The member 19 can be omitted as appropriate.

  The bridge hinge pin 10b of the male hinge member 10A formed at the lower end portion of the outer surface 4a2 of the plate-like portion 4a of the upper divided side wall 4 ′ is formed at the upper end portion of the outer surface 4e1 of the plate-like portion 4e of the lower divided side wall 4 ″. The cantilever hinge pin 10d of the end male hinge member 10B formed in the lower end portion of the outer surface 4a2 of the plate-like portion 4a of the upper divided side wall 4 ′ is fitted into the hinge pin fitting recess 18b of the female hinge member 18A and divided into the lower portions. As shown in FIG. 12, the upper divided side wall 4 is fitted into the hinge pin fitting recess 18b of the end female hinge member 18B formed at the upper end portion of the outer surface 4e1 of the plate-like portion 4e of the side wall 4 ″. The lower end of 'and the upper end of the lower divided side wall 4 "are hingedly connected.

  Next, the hinge member formed on the bottom 2 will be described with reference to FIGS. 13 and 14.

  The bottom portion 2 includes a bottom plate 2a, and a peripheral wall 2b including a long side wall portion 2b1 erected on the long side portion of the bottom plate 2a and a short side wall portion 2b2 erected on the short side portion. A substantially horizontal step portion 20 is formed in the middle of the long side wall portion 2b1.

  A female hinge member 21 is formed on the step portion 20 of the long side wall portion 2b1 described above. The female hinge member 21 has a side surface shape (a shape viewed from the short side wall portion 2b2 side of the bottom portion 2). It has a substantially U shape and has a block-like main body 21a formed at a corner portion constituted by the long side wall portion 2b1 and the stepped portion 20. Thus, the side shape of the block-like main body 21a is substantially U-shaped. The block-shaped main body 21a is formed with a hinge pin fitting recess 21b that is open on the opposite side surface 21a1 side of the block-shaped main body 21a and the upper surface 21a2 side of the block-shaped main body 21a. In this embodiment, the same number corresponds to the male hinge members 11 (two end male hinge members and two middle male hinge members) formed at the lower end portion of the lower divided side wall 4 ″ described above. In the following, the female hinge member 21 formed in the vicinity of both ends of the stepped portion 20 is referred to as a female hinge member closer to the end, and the female hinge member closer to the end. The female hinge member formed between the members is referred to as an intermediate female hinge member.

  Moreover, the hinge hook engaging member 22 is formed in the level | step-difference part 20 of the long side wall part 2b1 mentioned above, and the hinge hook engagement member 22 is a corner comprised by the long side side wall part 2b1 and the level | step-difference part 20. FIG. A substantially prismatic block-shaped main body 22a formed in the portion, and one side surface 22a1 of the opposing side surfaces 22a1 of the block-shaped main body 22a, and a corner portion constituted by the long side wall portion 2b1 and the stepped portion 20; A hook engaging rod-like portion 22b formed perpendicular to the side surface 22a1 is formed at the corner located at the diagonal position. In the present embodiment, the female hinge hook members 12 (two female hinge hook members 12 close to the ends and two intermediate female hinge hook members 12) formed on the lower end portion of the lower divided side wall 4 ″ described above are used. Correspondingly, the same number of hinge hook engaging members 22 are formed.Hereinafter, the hinge hook engaging members 22 formed near both ends of the stepped portion 20 are connected to the end-side hinge hook engagement. The hinge hook engaging member formed between the end-side hinge hook engaging members is referred to as an intermediate hinge hook engaging member.

  In addition, 23 is a fitting protrusion formed substantially perpendicular to the short side wall 2b2 in the middle of the inner surface of the short side wall 2b2 constituting the bottom 2, and the fitting protrusion 23 is It is comprised so that it may fit by the fitting through-hole 3a drilled in the approximate center of the lower end part of the flip-up side wall 3 shown by FIG.

  Next, as shown in FIG. 12, the upper frame 1, the bottom 2, the raised side wall 3, and the male hinge member 10A and the end male hinge member 10B formed at the lower end of the upper divided side wall 4 ′ The upper divided side wall 4 ′ and the lower divided side wall 4 ″ that are hinged together in advance are hingedly connected to each other via a female hinge member 18A and an end female hinge member 18B formed at the upper end of the lower divided side wall 4 ″. Then, a method for assembling the folding container for assembling the folding container will be described.

  As shown in FIGS. 15 and 16, a male hinge member 10A formed at the lower end of the upper divided side wall 4 ′, a female hinge member 10B formed at the lower end of the upper divided side wall 4 ′, and a female formed at the upper end of the lower divided side wall 4 ″. The upper divided side wall 4 ′ and the lower divided side wall 4 ″ that are hinged via the hinge member 18A and the end female hinge member 18B are connected to the outer surface 4a2 of the plate-like portion 4a of the upper divided side wall 4 ′ and the lower divided side wall. The upper divided side wall 4 ′ and the lower divided side wall 4 ″ are arranged in a superposed state so that the outer surface 4 e 1 of the 4 ″ plate-like part 4 e abuts or approaches each other.

  Further, the end male hinge member 11 formed on the upper divided side wall 4 ′ and the lower divided side wall 4 ″ in the overlapped state at the lower end of the lower divided side wall 4 ″ is the stepped portion 20 of the long side wall portion 2 b 1 of the bottom portion 2. The intermediate male hinge member 11 formed at the lower end of the lower divided side wall 4 ″ is positioned above the female hinge member 21 closer to the end formed at the end portion of the lower side wall 4 ″. The upper divided side wall 4 ′ and the lower divided side wall 4 ″ in a superposed state and in a substantially horizontal state are arranged on the bottom portion 2 so as to be positioned above the intermediate female hinge member 21 formed in the above.

  As described above, when the upper divided side wall 4 ′ and the lower divided side wall 4 ″ in a superposed and substantially horizontal state are arranged on the bottom 2, they are formed at the lower end of the lower divided side wall 4 ″. The bridge hinge pin 11b of the end male hinge member 11 thus formed is positioned above the hinge pin fitting recess 21b of the female hinge member 21 closer to the end formed in the long side wall portion 2b1 of the bottom portion 2 and the lower portion. The bridging hinge pin 11b of the intermediate male hinge member 11 formed at the lower end of the divided side wall 4 ″ is above the hinge pin fitting recess 21b of the intermediate female hinge member 21 formed in the long side wall 2b1 of the bottom 2. Further, the hook portion 12b of the female hinge hook member 12 formed at the lower end portion of the lower divided side wall 4 ″ is positioned so that the hook engaging rod-like portion 22b constituting the hinge hook engaging member 22 of the bottom portion 2 and the bottom portion Long side of 2 So as to be positioned above the formed gap between the wall portion 2b1, on the bottom portion 2, to place the lower division side walls 4 "and the upper divided side wall 4 'of the polymerization conditions.

  Further, the hinge pin insertion member 8 formed at the upper end portion of the upper divided side wall 4 ′ has a cantilever hinge pin h1 and a hinge pin mounting member formed on the inner surface 1a3 ′ of the outer wall portion 1a3 constituting the short side frame 1a of the upper frame 1. The hook portion 9a of the female hinge hook member 9 formed on the upper end portion of the upper divided side wall 4 ′ is positioned so as to be below the cantilever hinge pin h1 formed on the hinge 5 formed on the upper frame 1. The upper divided side wall 4 ′ is disposed below the upper frame 1 so as to be positioned below the gap formed between the hook engaging rod-like portion 6 c constituting the hook engaging member 6 and the regulating rib 6 e.

  As described above, when the upper divided side wall 4 ′ and the lower divided side wall 4 ″ in the superposed state are arranged below the upper frame 1, the cantilever hinge pin h1 of the upper frame 1 is attached to the upper divided side wall 4 ′. It is located below the gap of the hinge pin insertion member 8 formed at the upper end portion, and is formed between the hook engaging rod-like portion 6c of the hinge hook engaging member 6 formed on the upper frame 1 and the regulating rib 6e. Below the upper frame 1, the upper divided side wall 4 ′ and the lower side of the overlapped state are located below the upper frame 1 so that the hook portion 9 a of the female hinge hook member 9 formed at the upper end of the upper divided side wall 4 ′ is located below the gap. Divided side walls 4 "are arranged.

  The upper frame 1 is arranged on the above-described upper divided side wall 4 ′ and the lower divided side wall 4 ″ in the superposed state, and the bottom part 2 is arranged below the upper divided side wall 4 ′ and the lower divided side wall 4 ″ in the superposed state. Thereafter, when the upper frame 1 is moved downward, as shown in FIG. 19, the bridging hinge pin 11 b of the end male hinge member 11 formed at the lower end of the lower divided side wall 4 ″ A bridging hinge pin 11b of the middle male hinge member 11 fitted into the hinge pin fitting recess 21b of the female hinge member 21 near the end formed in the side wall 2b1 and formed at the lower end of the lower divided side wall 4 ″ It is inserted into the hinge pin fitting recess 21b of the intermediate female hinge member 21 formed in the long side wall 2b1 of the bottom 2 and further formed at the lower end of the lower divided side wall 4 ″ as shown in FIG. Female hinge hook The hook portion 12b of the material 12 is inserted into a gap formed between the hook engaging rod-like portion 22b constituting the hinge hook engaging member 22 of the bottom portion 2 and the long side wall portion 2b1 of the bottom portion 2. In this way, the lower divided side wall 4 ″ and the bottom 2 are hingedly connected.

  Similarly, the upper frame 1 is disposed on the upper divided side wall 4 ′ and the lower divided side wall 4 ″ in the above-described overlapping state, and the bottom portion 2 is disposed below the upper divided side wall 4 ′ and the lower divided side wall 4 ″ in the overlapping state. When the upper frame 1 is moved downward, the cantilever hinge pin h1 formed on the inner surface 1a3 ′ of the outer wall portion 1a3 constituting the short side frame 1a of the upper frame 1 is moved as shown in FIG. Is inserted into the gap of the end-side hinge pin insertion member 8, and the cantilever hinge pin h1 of the hinge pin mounting member 5 formed on the upper frame 1 is inserted into the gap of the intermediate hinge pin insertion member 8, and FIG. As shown in FIG. 4, the upper end portion of the upper divided side wall 4 ′ is formed in the gap formed between the hook engaging rod-like portion 6c of the hinge hook engaging member 6 formed on the upper frame 1 and the regulating rib 6e. Formed into Hook portion 9a of the female hinge hook member 9 is to be inserted was. In this way, the upper divided side wall 4 ′ and the upper frame 1 are hingedly connected.

  As described above, the upper frame 1 is disposed on the upper divided side wall 4 ′ and the lower divided side wall 4 ″ in the superposed state, and below the upper divided side wall 4 ′ and the lower divided side wall 4 ″ in the superposed state, After the bottom part 2 is disposed, the lower divided side wall 4 "and the bottom part 2, the upper divided side wall 4 'and the upper frame 1 can be hingedly connected by simply moving the upper frame 1 downward. The assembly of the upper divided side wall 4 ′ and the lower divided side wall 4 ″ to the bottom 2 and the upper frame 1 can be performed in a short time. Further, the hook portion 12b of the female hinge hook member 12 formed at the lower end portion of the lower divided side wall 4 ″ has a hook engaging rod-like portion 22b constituting the hinge hook engaging member 22 of the bottom portion 2 and a long side wall of the bottom portion 2. The hook portion 9a of the female hinge hook member 9 formed on the upper end portion of the upper divided side wall 4 ′ is formed in the upper frame 1 only in the gap formed with the portion 2b1. Since it is only inserted into the gap formed between the hook engaging rod-like portion 6c of the hinge hook engaging member 6 and the regulating rib 6e, the lower divided side wall 4 ″, the bottom 2 and the upper divided side wall 4 Less force is required to connect the hinge between 'and the upper frame 1.

  As described above, after the lower divided side wall 4 ″ and the bottom portion 2 are hinge-connected, and the upper divided side wall 4 ′ and the upper frame 1 are hinge-connected, when the upper frame 1 is lifted, the upper divided side wall 4 ′. And the lower divided side wall 4 ″ are substantially flush and substantially vertical. In this way, in a state where the upper divided side wall 4 ′ and the lower divided side wall 4 ″ are substantially flush and in a substantially vertical state, as shown in FIG. 21, the lower end portion of the lower divided side wall 4 ″ The hook part 12b of the female hinge hook member 12 formed on the bottom part enters the lower part of the hook engaging bar-like part 22b constituting the hinge hook engaging member 22 of the bottom part 2, and as shown in FIG. The hook portion 9 a of the female hinge hook member 9 formed at the upper end portion of the divided side wall 4 ′ enters above the hook engaging rod-like portion 6 c of the hinge hook engaging member 6 formed on the upper frame 1. Therefore, even when an upward load is applied to the upper frame 1, the hook portion 12 b of the female hinge hook member 12 formed at the lower end portion of the lower divided side wall 4 ″ constitutes the hinge hook engaging member 22 of the bottom portion 2. The hook portion 9a of the female hinge hook member 9 formed on the upper end portion of the upper divided side wall 4 ′ is in contact with the hook engaging rod-like portion 22b, and the hook portion of the hinge hook engaging member 6 formed on the upper frame 1 is engaged. Since it abuts on the rod-like portion 6c, the hinge connection between the upper frame 1, the upper divided side wall 4 ′ and the lower divided side wall 4 ″ and the bottom portion 2 is not released.

  An appropriate number of recesses 3b are formed at the upper end of the flip-up side wall 3. Of the opposing side walls 3b1 constituting the recess 3b, one side wall 3b1 has a cantilever hinge pin perpendicular to the one side wall 3b1. 3c protrudes. The cantilever hinge pin 3c is formed corresponding to the female hinge member 7 for the flip-up side wall formed on the short side frame 1a of the upper frame 1 described above.

  As described above, after the upper frame 1 and the upper divided side wall 4 ′ and the lower divided side wall 4 ″ and the bottom 2 are hingedly connected, the upper frame 1 is lifted to thereby form the upper divided side wall 4 ′ and the lower divided side wall 4 ″. Are substantially flush with each other, and in this state, the cantilever hinge pin 3c formed at the upper end of the flip-up side wall 3 is used as the female hinge member 7 for the flip-up side wall formed at the short side frame 1a of the upper frame 1. By inserting into the semi-cylindrical hook portion 7b, the upper frame 1 and the flip-up side wall 3 are hingedly connected. As described above, before the upper frame 1 and the upper divided side wall 4 ′ and the lower divided side wall 4 ″ and the bottom part 2 are hinge-connected, the upper frame 1 and the raised side wall 3 are hinge-connected in advance. You can also.

  As described above, the lower divided side wall 4 ″ and the bottom 2 are hinged, the upper divided side wall 4 ′ and the upper frame 1 are hinged, and the upper frame 1 and the raised side wall 3 are hinged. By doing so, the folding container is assembled.

  In the above-described embodiment, the upper frame 1 and the upper divided side wall 4 ′ and the lower divided side wall 4 ″ and the bottom 2 are hinge-connected, and then the upper frame 1 and the raised side wall 3 are hinge-connected, and Before the upper frame 1 and the upper divided side wall 4 ′ and the lower divided side wall 4 ″ and the bottom 2 are hinge-connected, an example is shown in which the upper frame 1 and the raised side wall 3 are hinge-connected in advance. A hinge pin mounting member formed on the short side frame 1a of the upper frame 1 on the long side frame 1b of the upper frame 1 instead of the female hinge member 7 for the raised side wall formed on the short side frame 1a of the upper frame 1 5 and the hinge hook engaging member 6, and instead of the cantilever hinge pin 3 c formed on the flip-up side wall 3, the hinge pin insertion member 8 formed on the upper divided side wall 4 ′ and By forming the hinge hook member 9, the upper divided side wall 4 ′ and the lower divided side wall 4 ″ in a superposed state and in a substantially horizontal state are arranged on the bottom portion 1. 4 'and the lower divided side wall 4 "are arranged substantially horizontally on the side wall 3 and further the upper frame 1 is arranged on the substantially horizontal side wall 3 and then the upper frame 1 is moved downward. By doing so, the upper frame 1 and the upper divided side wall 4 ′, the upper frame 1 and the raised side wall 3 and the lower divided side wall 4 ″ and the bottom part 2 can be hinged at the same time.

  By configuring as described above, the upper frame 1 and the upper divided side wall 4 ′, the upper frame 1 and the raised side wall 3 and the lower divided side wall 4 ″ and the bottom part 2 can be hinged at the same time. The assembly time can be further shortened.

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 a state in which the folding container of the present invention is folded. FIG. 3 is a perspective view of the upper frame constituting the folding container of the present invention. FIG. 4 is a partially enlarged perspective view of the upper frame constituting the folding container of the present invention. FIG. 5 is also a partially enlarged perspective view of the upper frame constituting the folding container of the present invention. FIG. 6 is a perspective view from the outer surface side of the upper divided side wall constituting the folding container of the present invention. FIG. 7 is a perspective view from the inner surface side of the upper divided side wall constituting the folding container of the present invention. FIG. 8 is a partially enlarged perspective view from the inner surface side of the upper divided side wall constituting the folding container of the present invention. FIG. 9 is a perspective view from the outer surface side of the lower divided side wall constituting the folding container of the present invention. FIG. 10 is a perspective view from the inner surface side of the lower divided side wall constituting the folding container of the present invention. FIG. 11 is a partially enlarged perspective view from the inner surface side of the lower divided side wall constituting the folding container of the present invention. FIG. 12 is a perspective view showing a state in which the upper divided side wall and the lower divided side wall constituting the folding container of the present invention are hinge-connected. FIG. 13 is a perspective view of the bottom part of the folding container of the present invention. FIG. 14 is a partially enlarged perspective view of the bottom portion constituting the folding container of the present invention. FIG. 15 is a perspective view of the upper frame constituting the folding container according to the present invention before the assembly of the upper divided side wall, the lower divided side wall, and the bottom part in an overlapped state. FIG. 16 is a partially enlarged perspective view of the upper frame constituting the folding container of the present invention, the upper divided side wall, the lower divided side wall, and the bottom part in an overlapped state before assembly. FIG. 17 is a partially enlarged perspective view including a part of the upper frame constituting the folding container of the present invention, an upper divided side wall in a stacked state, a lower divided side wall, and a partially vertical cross section in the assembled state of the bottom part. FIG. 18 is a partially enlarged perspective view including a part of the upper frame constituting the folding container of the present invention, a partially divided vertical cross-section of the upper divided side wall, the lower divided side wall and the bottom part in an assembled state. FIG. 19 is also a partially enlarged perspective view including a part of the upper frame constituting the folding container of the present invention, an upper divided side wall in a stacked state, a lower divided side wall, and a partially vertical cross section in the assembled state of the bottom. FIG. 20 is a partially enlarged perspective view including a part of the upper frame constituting the folding container of the present invention, an upper divided side wall in a stacked state, a lower divided side wall, and a partially vertical cross section in the assembled state of the bottom. FIG. 21 is a partially enlarged perspective view including a partial vertical cross section of an upper frame, an upper divided side wall, a lower divided side wall, and a bottom constituting the folding container of the present invention in a state of being assembled in a box shape. FIG. 22 is a partially enlarged perspective view including a part of the upper frame, the upper divided side wall, the lower divided side wall, and the bottom part of the folding container of the present invention in the state of being assembled in a box shape. FIG. 23 is a perspective view of a flip-up side wall constituting the folding container of the present invention.

Explanation of symbols

1 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Upper frame 2 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Bottom 3 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Splash side wall 4 '・ ・ ・ ・ ・ ・... Upper divided side wall 4 "... Lower divided side wall 5 ... Hinge pin mounting member 6 ... Hinge hook Engagement member 7 ······················································································ Hook member 10A, 10B ... Male hinge member 11 ... Male hinge member 12 ... Female hinge hook member 18A, 18B ... Female hinge member 21 ... Female hinge member 22 ... Hinge hook engaging member

Claims (1)

In a method for assembling a folding container comprising an upper frame, a bottom portion, a flip-up side wall whose upper end is pivotally supported by the upper frame, and a split side wall having an upper split side wall and a lower split side wall , a hinge is provided on the bottom portion. An upper divided side wall and a lower divided side wall connected to each other are arranged, and a raised side wall is arranged on the upper divided side wall and the lower divided side wall that are connected to the hinge, and further, the raised side wall is arranged. The upper frame is arranged on the side wall, and then the upper frame is moved downward to configure the upper frame and the upper divided side wall, the upper frame to be flipped up, and the lower divided side wall and the bottom to be hinged. A method for assembling a folding container characterized by the above.

Images