JP2006096377A - Folding container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To securely prevent dust, bugs, or the like from entering a folding container assembled in the shape of a box, by providing a gap closing member, which elastically comes into planar contact with each of the bank sections of the bottom, such that the gap closing member extends from the underside of each side wall, thereby preventing the occurrence of a gap between the gap closing member and each bank section of the bottom. <P>SOLUTION: The folding container includes the bottom 1, and one pair of opposite side walls 2 hinged to one pair of opposite bank sections 1a of the bottom 1 and the other pair of opposite side walls 3 hinged to the other pair of opposite bank sections 16 of the bottom 1. In such a folding container, the gap closing member S which elastically comes into planar contact with each of the bank sections of the bottom extends from the underside of each side wall. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention comprises a bottom, one opposing side wall hinged to one opposite bank portion of the bottom, and another opposite side wall hinged to the other opposite bank portion of the bottom. It relates to a folding container.

Conventionally, in order to smoothly tilt and stand up the side wall, a gap has been provided between the bottom part and the side wall hinged to the bank part of the bottom part. In order to prevent dust, insects, etc. from entering the folded folding container, a convex portion is erected on the upper surface of the bottom bank portion, and a convex portion overlapping the above convex portion is formed on the lower surface of the side wall. A hanging folding container is disclosed in Patent Document 1.
JP 2003-335328 A

  In the conventional folding container described above, a gap is provided between the female hinge and the male hinge constituting the hinge member that hinge-connects the bottom and the side wall in order to facilitate the movement of the bottom and the side wall. There is a problem that a gap is easily formed between the convex portion protruding from the upper surface of the bottom bank portion and the convex portion hanging from the lower surface of the side wall, and dust or insects still enter from this gap. there were.

  In addition, the above-described folding container prevention structure for preventing dust, insects, and the like from entering is merely a contact between surfaces, so that a gap is generated when vibration or impact is applied to the folding container. Therefore, it has been insufficient as a prevention structure for preventing dust, insects and the like from entering.

  Furthermore, the structure of the folding container is also complicated, so that there are problems that the cleaning property of the folding container is deteriorated and the manufacturing cost of the folding container is increased.

  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 hinged to the bottom and one side wall that is hinged to the opposite bank of the bottom and the other bank opposite to the bottom. In the folding container having the other opposite side wall, a gap closing member that is elastically in surface contact with the bottom bank is suspended from the lower surface of the side wall.

  Since the gap closing member that elastically contacts the bottom bank portion is suspended on the lower surface of the side wall, a gap may be formed between the gap closing member and the bottom bank portion with a simple structure. Therefore, it is possible to reliably prevent dust, insects, and the like from entering the folding container 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.

  Reference numeral 1 denotes a bottom portion having a substantially rectangular planar shape, and the bottom portion 1 is formed on a bank portion 1a formed on the opposite long side (hereinafter, referred to as a long side bank portion) 1a and on the opposite short side. In this embodiment, the height of the long side bank portion 1a is lower than the height of the short side bank portion 1b. Is formed. Further, an appropriate number of female hinge members H1 to be described later are formed on the long side bank portion 1a and the short side bank portion 1b. In this embodiment, an example is shown in which four female hinge members H1 are formed on each long side bank portion 1a and each short side bank portion 1b.

  Reference numeral 2 denotes a long side wall. As shown in FIGS. 4 and 5, a female hinge member disposed on the long side bank portion 1 a of the bottom portion 1 on the back surface of the lower end flange 2 a of the long side wall 2. A male hinge member H2, which will be described later, is disposed corresponding to H1. Reference numeral 3 denotes a short side wall. As shown in FIGS. 6 and 7, a female hinge member H <b> 1 disposed on the short side wall bank portion 1 b of the bottom portion 1 on the back surface of the lower end flange 3 a of the short side wall 3. Corresponding to this, a male hinge member H2 described later is disposed.

  By connecting the male hinge member H2 disposed on the lower end flange 2a of the long side wall 2 and the female hinge member H1 disposed on the long side bank portion 1a of the bottom portion 1, the long side wall 2 is connected to the bottom portion 1. By connecting the male hinge member H2 that is hinged and disposed on the lower end flange 3a of the short side wall 3 and the female hinge member H1 that is disposed on the short side bank portion 1b of the bottom 1, the short side wall is obtained. 3 is hinged to the bottom 1 to form a folding container.

  As shown in FIGS. 4 and 5, the vertically long engagement frame 4 is formed at both ends of the horizontally long substantially rectangular plate-like portion 2 b of the long side wall 2 by extending the plate-like portion 2 b. The engagement frame 4 is formed with an appropriate number of fitting protrusions 4a protruding in the direction of the outer surface of the plate-like portion 2b (the surface located outside when the folding is assembled into a box shape) 2b1. Has been. In the present embodiment, an engagement frame 4 is shown in which two fitting projections 4a are projected.

  As shown in FIGS. 6 and 7, at both ends of the short side wall 3, the inner surface of the plate-like portion 3b (the surface located on the inner side when the fold is assembled into a box shape) 3b1 direction, and A vertically long engagement frame 5 extending in a substantially right angle direction is formed on the plate-like portion 3b, and the engagement frame 5 is a fitting projectingly provided on the engagement frame 4 of the long side wall 2. A through hole 5a into which the protrusion 4a is fitted is formed. Further, by forming a U-shaped slit 6 in the plate-like portion 3b located in the vicinity of the engagement frame 5, an elastic tongue piece 7 having the engagement frame 5 side formed at the free end is formed, A locking projection 7 a is formed at the tip of the elastic tongue piece 7 so as to face the engagement frame 5.

  As shown in FIG. 3, in order to assemble from a folded state into a box shape as shown in FIG. 1, first, as shown in FIG. When the short side wall 3 of the long side wall 2 is erected substantially vertically, and then the long side wall 2 is rotated in the direction of the short side wall 3 erected substantially vertically, the fitting protrusion 4a formed on the engagement frame 4 of the long side wall 2 The engagement frame 4 of the long side wall 2 is engaged with the elastic tongue piece 7 formed on the short side wall 3 before and after fitting into the through hole 5a formed in the engagement frame 5 of the short side wall 3 The elastic tongue piece 7 is deformed outward by coming into contact with the convex portion 7a. Then, when the engagement frame 4 of the long side wall 2 passes through the locking projection 7 a of the elastic tongue piece 7 formed on the short side wall 3, the elasticity pressed outward by the engagement frame 4 of the long side wall 2. The tongue piece 7 is returned by its restoring force, and the locking convex portion 7a of the elastic tongue piece 7 abuts on the engagement frame 4 of the long side wall 2 standing substantially vertically, and toward the bottom 1 of the long side wall 2. It is comprised so that rotation of this may be prevented.

  In order to fold the box-shaped folding container, first, the elastic tongue piece 7 of the short side wall 3 is first moved so that the engaging projection 7a is disengaged from the engaging frame 4 of the long side wall 2. Then, by pushing outward, and then rotating the long side wall 2 in the direction of the bottom 1, the fitting protrusion 4 a formed on the engaging frame 4 of the long side wall 2 is drilled in the engaging frame 5 of the short side wall 3. The long side wall 2 is lowered onto the bottom 1 by discharging from the through-hole 5a. Thereafter, the folding container assembled in a box shape is folded by tilting the substantially vertical short side wall 3 toward the bottom 1.

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

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

  A vertical hole h1 having a rectangular planar shape is formed in the horizontal portion 1a2 of the long side bank portion 1a. In addition, the inner vertical portion 1a1 of the long side bank portion 1a is formed with a rectangular cutout recess h2 that is open at the top and extends in the direction of the bottom plate 1c. The lateral width (length along the longitudinal direction of the long side bank portion 1a) W1 of the notch recess h2 is the long side length (length along the longitudinal direction of the long side bank portion 1a) W2 of the vertical hole h1. The shorter and cut-out recess h2 is located at a substantially central portion of the long side of the vertical hole h1.

  A hook h3 protrudes from the upper end portion of the inner surface of the inner vertical portion 1a1 (surface located on the outer vertical portion 1a3 side) located on both sides of the notch recess h2, and the hook h3 is a long side bank portion. An upper inclined surface h3a that is inclined so as to gradually approach the outer vertical portion 1a3 from the horizontal portion 1a2 toward the outer vertical portion 1a3 and a substantially horizontal flange portion h3b.

  The female hinge member H1 is comprised by the vertical hole h1, the notch recessed part h2, and the hook h3 which were formed in the long side bank part 1a mentioned above.

  On the other hand, a male hinge member H2 is formed on the back surface of the lower end flange 2a perpendicular to the plate-like portion 2b of the long side wall 2. The male hinge member H2 has a plate-like support piece h10 that is suspended from the back surface of the lower end flange 2a at a predetermined interval and perpendicular to the longitudinal direction of the lower end flange 2a. The end surfaces on the plate-like portion 2b side of the pair of support pieces h10 are connected by a connecting piece h11. The width W3 between the outer surfaces of the pair of support pieces h10 (the surface opposite to the surface opposite to the pair of support pieces h10) is formed slightly narrower than the lateral width W1 of the notch recess h2. The support piece h10 is configured to be insertable into the notch recess h2.

  Further, a hinge block h12 is attached to the lower end portion of the outer side surface of the pair of support pieces h10, and a surface facing the lower end flange 2a of the hinge block h12 (hereinafter referred to as the upper surface) h12a is the lower end flange 2a. Further, a substantially rectangular parallelepiped contact block h12b projects from an end portion of the upper surface h12a located on the plate-like portion 2b side.

  The pair of supporting pieces h10, the connecting piece h11, and the hinge block h12 having the contact block portion h12b constitute a male hinge member H2. The male hinge member H2 is configured to be insertable into the vertical hole h1 of the female hinge member H1 described above.

  On the back surface of the lower end flange 2a of the long side wall 2 on the side of the plate-like portion 2b, a horizontally elongated belt-shaped gap closing member S that is elastically deformable is suspended over substantially the entire length of the lower end flange 2a. The gap closing member S is inclined from the plate-like portion 2b side of the lower end flange 2a toward the tip 2a1 of the lower end flange 2a, and when the gap closing member S is elastically deformed substantially perpendicular to the lower end flange 2a. The inner surface of the gap closing member S (the surface located inside the folding container when the folding container is assembled into a box shape) s1 and the inner surface of the plate-like portion 2b (when the folding container is assembled into a box shape, The surface 2b2 located on the inner side of the folding container is substantially flush with the surface. The gap closing member S is configured such that its tip s2 is positioned above the hinge block h12 that constitutes the male hinge member H2. A predetermined gap 8 is formed between the gap closing member S and the support piece h10 of the male hinge member H2 so that the gap closing member S is easily elastically deformed as a whole.

  Further, the inner vertical portion 1a1 of the long side bank portion 1a has a thin inner wall 1a1 extending from the horizontal portion 1a2 to a predetermined height, so that it extends over the entire length of the long side bank portion 1a. Therefore, the step portion 9 is formed, and the step width of the step portion 9 (the distance between the vertical surface 9a of the step portion 9 and the inner surface 1a1 ′ of the inner vertical portion 1a1) W4 is substantially the same as the thickness of the gap closing member S. Further, the height T1 of the stepped portion 9 is substantially the same as the height T2 of the gap closing member S (the distance from the back surface of the lower end flange 2a to the tip s2 of the gap closing member S) T2. ing.

  In order to hinge-connect the bottom 1 and the long side wall 2, the long side wall 2 is arranged in a substantially horizontal state so as to be substantially parallel to the bottom 1, and then the long side wall 2 is maintained while maintaining the state. The support piece h10, which is lowered toward the bottom 1 and protrudes from the hinge block h12 formed on the long side wall 2, is inserted into the notch recess h2 formed on the long side bank portion 1a, and the hinge block By inserting h12 into the vertical hole h1 formed in the long side bank portion 1a, the female hinge member H1 disposed on the long side bank portion 1a of the bottom portion 1 as shown in FIG. And the male hinge member H2 disposed on the long side wall 2 are hinge-connected.

  When the substantially horizontal long side wall 2 shown in FIG. 9 is rotated in the vertical direction to stand substantially vertically as shown in FIG. 10, the lower end flange 2a of the long side wall 2 is shown. Is mounted on the horizontal portion 1a2 of the long side bank portion 1a of the bottom portion 1, and the contact block portion h12b of the hinge block h12 is the inner vertical portion 1a1 of the long side bank portion 1a formed on the bottom portion 1. It is configured to be in contact with or close to the flange h3b of the hook h3 projecting from the hook h3. In this way, when the long side wall 3 is erected substantially vertically, the elastically deformable gap closing member S suspended from the back surface of the lower end flange 2a of the long side wall 2 is used as the plate-like portion 2b of the lower end flange 2a. From the state inclined from the side toward the tip 2a1 of the lower end flange 2a, while being elastically deformed substantially perpendicularly to the lower end flange 2a, it is fitted into the step portion 9 formed in the inner vertical portion 1a1 of the long side bank portion 1a. Will be combined.

  As shown in FIG. 10, in the state in which the long side wall 3 stands substantially vertically, the tip s2 of the gap closing member S suspended from the back surface of the lower end flange 2a is connected to the flange h3b of the hook h3. As shown in FIG. 9, the front end s <b> 2 of the gap closing member S is formed on the bottom 1 when the long side wall 3 is tilted substantially horizontally as shown in FIG. 9. The long side bank portion 1a is configured not to contact the inner vertical portion 1a1.

  Further, as shown in FIG. 10, when the long side wall 2 in a state of being substantially vertically raised is tilted in the direction of the bottom 1, the long side wall 2 is attached to the hook h3 as shown in FIG. The hinge block h12 of the hinge block h12 that is positioned in contact with or close to the flange h3b is rotated in the direction of the bottom 1 about the rotation center. As described above, the gap closing member S suspended from the back surface of the lower end flange 2a has the tip s2 of the gap closing member S in the state where the long side wall 3 stands substantially vertically, and the flange h3b of the hook h3. In the state where the long side wall 3 is tilted substantially horizontally, the front end s2 of the gap closing member S is located inside the long side bank portion 1a formed on the bottom portion 1. Since it is configured not to contact the vertical portion 1a1, the long side formed by the gap closing member S on the bottom portion 1 in the process of rotating the long side wall 2 in a state of being substantially vertically standing toward the bottom portion 1 is formed. It is possible to prevent the thin gap closing member S from being in contact with the side bank portion 1a and being damaged. Further, when the gap closing member S is discharged from the stepped portion 9 formed in the inner vertical portion 1a1 of the long side bank portion 1a, the gap closing member S is elastic with respect to the lower end flange 2a. From the substantially vertical state, the state returns to the original state inclined from the plate-like portion 2b side of the lower end flange 2a toward the tip end 2a1 of the lower end flange 2a. It should be noted that in the process of turning the long side wall 2 in the state of being substantially vertically erected in the direction of the bottom 1, the gap closing member S is brought into contact with the long side bank 1 a formed on the bottom 1 for a short time. However, in the state where the long side wall 2 is tilted to a substantially horizontal state, the gap closing member S is in contact with the long side bank portion 1a and the bottom plate 1c of the bottom portion 1 as described above. Therefore, the gap closing member S is not deformed or damaged.

  The female hinge member H1 having the above-described configuration is disposed also on the short side bank portion 1b of the bottom portion 1, and the male hinge member H2 having the above-described configuration is also provided on the back surface of the lower end flange 3a of the short side wall 3. The hinge connection between the female hinge member H1 disposed on the bottom portion 1 and the male hinge member H2 disposed on the short side wall 3 is the female hinge member H1 disposed on the bottom portion 1 described above. And the male hinge member H2 disposed on the long side wall 2 is the same as the hinge connection, and the description thereof is omitted.

  The gap closing member S disposed on the long side wall 2 described above is also disposed on the short side wall 3 as shown in FIGS. 6 and 7. That is, on the back surface of the lower end flange 3a of the short side wall 3 on the side of the plate-like portion 3b, a horizontally long strip-like gap closing member S that is elastically deformable is suspended over substantially the entire length of the lower end flange 3a. The gap closing member S is inclined from the plate-like portion 3b side of the lower end flange 3a toward the tip 3a1 of the lower end flange 3a, and elastically deforms the gap closing member S substantially perpendicularly to the lower end flange 3a. The inner surface of the gap closing member S (the surface located inside the folding container when the folding container is assembled into a box shape) s1 and the inner surface of the plate-like portion 3b (when the folding container is assembled into a box shape) Further, the gap closing member 3b1 is substantially flush with the gap closing member S and the support piece h10 of the male hinge member H2 between the gap closing member S and the support piece h10 of the male hinge member H2. A predetermined gap 8 is formed so that S is easily elastically deformed as a whole. Further, the inner stepped portion 9 similar to the stepped portion 9 formed in the inner vertical portion 1a1 of the long side bank portion 1a of the bottom portion 1 is substantially the same as the inner vertical portion 1b1 of the short side bank portion 1b of the bottom portion 1. It is formed over the entire length. In addition, regarding the fitting state of the gap closing member S suspended from the back surface of the lower end flange 3a of the short side wall 3 and the stepped portion 9 formed on the inner vertical portion 1b1 of the short side bank portion 1b of the bottom portion 1, etc. Is a fitting state between the gap closing member S suspended on the back surface of the lower end flange 2a of the long side wall 2 and the stepped portion 9 formed on the inner vertical portion 1a1 of the long side wall bank portion 1a of the bottom portion 1 and the like. The description is omitted.

  As described above, when the folding container is assembled in a box shape as shown in FIG. 1 and the long side wall 3 is erected substantially vertically, it is suspended from the back surface of the lower end flange 2a of the long side wall 2. The provided elastically deformable gap closing member S is elastically deformed substantially perpendicularly to the lower end flange 2a from a state inclined from the plate-like portion 2b side of the lower end flange 2a toward the tip 2a1 of the lower end flange 2a. A gap closing member that is fitted to a stepped portion 9 formed in the inner vertical portion 1a1 of the long side bank portion 1a and elastically deformable on the back surface of the lower end flange 3a of the short side wall 3 in the same manner. From the state in which S is inclined from the plate-like portion 3b side of the lower end flange 3a toward the tip 3a1 of the lower end flange 3a, the inner vertical of the short side bank portion 1b is elastically deformed substantially perpendicular to the lower end flange 3a. Since it is configured to be fitted to the step portion 9 formed in 1b1, there is a gap existing between the horizontal portion 1a2 of the long side bank portion 1a of the bottom portion 1 and the lower end flange 2a of the long side wall 2. Most of them are closed by an elastically deformable gap closing member S suspended from the back surface of the lower end flange 2 a of the long side wall 2, and the horizontal part 1 b 2 of the short side bank part 1 b of the bottom part 1 and the lower end of the short side wall 3. Most of the gap existing between the flange 3a is closed by the elastically deformable gap closing member S suspended from the back surface of the lower end flange 3a of the short side wall 3, and accordingly, the long side of the bottom 1 Between the horizontal portion 1a2 of the side bank portion 1a and the lower end flange 2a of the long side wall 2 or between the horizontal portion 1b2 of the short side bank portion 1b of the bottom portion 1 and the lower end flange 3a of the short side wall 3 Assembled in a box shape from the gap The folding the container, something like dust, insects, etc. from entering, it is possible to reliably prevented.

  Further, the elastically deformable gap closing member S suspended from the back surface of the lower end flange 2a of the long side wall 2 is inclined from the plate-like portion 2b side of the lower end flange 2a toward the front end 2a1 of the lower end flange 2a. While being elastically deformed substantially perpendicularly to the lower end flange 2a, it is fitted to the step portion 9 formed in the inner vertical portion 1a1 of the long side bank portion 1a and suspended from the back surface of the lower end flange 3a of the short side wall 3. The provided elastically deformable gap closing member S is also elastically deformed substantially perpendicularly to the lower end flange 3a from a state inclined from the plate-like portion 3b side of the lower end flange 3a toward the tip 3a1 of the lower end flange 3a. Since the gap closing member S is fitted to the step portion 9 formed on the inner vertical portion 1b1 of the short side bank portion 1b, the gap closing member S is elastically provided with the inner vertical portion 1a1 and the long side bank portion 1a. The inner vertical portion 1b1 of the short side bank portion 1b is in surface contact and pressure contact, and therefore, between the gap closing member S and the inner vertical portion 1a1 of the long side bank portion 1a of the bottom portion 1 and There is no gap between the gap closing member S and the inner vertical part 1b1 of the short side bank part 1b of the bottom 1, and dust, insects, etc. in the folded container assembled in a box shape Can be more reliably prevented.

  In the embodiment described above, from the state assembled in a box shape, the long side wall 2 is first tilted toward the bottom 1 and then the short side wall 3 is tilted toward the bottom 1 to fold the folding container. Although the folding container comprised is shown, it is constructed so that the short side wall 3 is first tilted in the direction of the bottom 1 and then the long side wall 2 is tilted in the direction of the bottom 1 from the state assembled in the box shape. You can also In this case, an engagement frame 4 in which a fitting projection 4a is projected is formed on the short side wall 3 that is tilted first, and an engagement is made in which a through hole 5a is formed in the long side wall 2 that is tilted later. The elastic tongue piece 7 is formed while the frame 5 is formed.

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 of the folding container of the present invention during assembly or folding. FIG. 3 is a perspective view of the folding container of the present invention in a folded state. FIG. 4 is a perspective view seen from the inner surface side of the long side wall of the folding container of the present invention. FIG. 5 is a perspective view seen from the outer surface side of the long side wall of the folding container of the present invention. FIG. 6 is a perspective view seen from the inner surface side of the short side wall of the folding container of the present invention. FIG. 7 is a perspective view seen from the outer surface side of the short side wall of the folding container of the present invention. FIG. 8 is a partially exploded perspective view of the long side wall and the bottom for explaining the hinge connection between the long side wall and the bottom of the folding container of the present invention. FIG. 9 is a partial vertical cross-sectional view of the hinged hinge portion for explaining the hinge connection between the long side wall and the bottom of the folding container according to the present invention. FIG. 10 is a partial vertical cross-sectional view of the hinged hinge portion for explaining the hinge connection between the long side wall and the bottom of the folding container according to the present invention. FIG. 11 is a partial vertical cross-sectional view of the hinged hinge portion for explaining the hinge connection between the long side wall and the bottom of the folding container according to the present invention. FIG. 12 is a partially exploded vertical sectional view of the short side wall and the bottom for explaining the hinge connection between the short side wall and the bottom of the folding container of the present invention.

Explanation of symbols

H1 ·············· Female hinge member H2 ···································・ ・ Gap closing member 1 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Bottom 1a ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Long side bank 1b ・ ・ ・ ・ ・ ・······ Short side bank 2 ··········· Long side wall 3 ············ Short side wall

Claims (1)

  In a folding container having a bottom and one opposite side wall hinged to one opposite bank portion of the bottom and another opposite side wall hinged to the other opposite bank portion of the bottom, A folding container, wherein a gap closing member that elastically comes into surface contact with the bottom bank is suspended from a lower surface of the side wall.

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