JP2009083919A - Folding container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable the stoppage of turning of a side wall in the vertical direction or the like to be prevented from occurring. <P>SOLUTION: This folding container is constituted in such a manner that a horizontal top surface 12d may come into contact with a corner section 9c. In this case, the horizontal top surface 12d faces the lower end flange 2a of the side wall 2 of a block section 12 for preventing the lifting of vertical side wall when the side wall 2 keeping horizontal is turned in the vertical direction. The corner section 9c is formed of the external side vertical wall 4a of a vertical hole 4 which constitutes a female hinge member H1 arranged on the bottom section 1, the vertical surface 12b of a confronted hook 12 for preventing the lifting of vertical side wall, and the eave section 9a of a hook 9 for preventing the lifting of vertical side wall. As a result, the lower corner section of the block section for preventing the lifting of vertical side wall which constitutes a male hinge member arranged on the side wall comes into contact with the vertical surface of the hook for preventing the lifting of vertical side wall coming in contact with the external vertical wall which constitutes the female hinge member arranged on the bottom section. At the same time, the vertical block section which constitutes the male hinge member comes into contact with the external vertical wall, and the stopping of the turning in the vertical direction of the side wall can be prevented from occurring. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention comprises a bottom, one opposing side wall hinged to one opposing bank portion of the bottom, and another opposing side wall hinged to the other opposing bank portion of the bottom. From the state of being assembled into a box shape, one side wall is brought down so that it overlaps the bottom, and then the other side wall is brought into contact with the other one that has been pushed down first. It is comprised so that it can fold by falling down so that it may overlap with the side wall to do.

  A type in which the male hinge member formed on the side wall cannot move freely in the vertical direction relative to the female hinge member formed on the bottom bank portion, in other words, the hinge connecting portion by the male hinge member and the female hinge member However, in a folding container of a type that cannot move substantially in the vertical direction, when one of the opposite side walls is tilted, the tip ends of the side walls overlap each other. The side wall superimposed on the side wall is inclined and tilted with the hinge connecting portion as a fulcrum. As described above, in the folding container configured such that the side wall is inclined and tilted, the height of the folding container in the folded state is increased, and accordingly, the accommodation efficiency of the folding container is lowered.

  In order to solve the above-described problem, the depth of the concave portion of the female hinge portion formed on the bottom bank portion is increased, and the female hinge portion formed on the bottom bank portion is formed on the side wall. A type in which the male hinge member can freely move in the vertical direction in the concave portion of the female hinge portion, in other words, the hinge connecting portion by the male hinge member and the female hinge member is movable in the vertical direction. Although a type of folding container is known, when such a type of folding container is assembled into a box shape, the hinge connection part can be moved vertically, so that the worker can When trying to lift the folding container assembled in a box shape, there was a problem that the side wall was lifted from the bottom.

  In order to solve the above-mentioned problem, the present applicant prevents the side wall from being lifted and folded in the horizontal state in the male hinge member formed on the side wall in Patent Document 1 which is the previous application of the present applicant. A folding container was proposed in which a block part and a block part that prevents the side wall from being lifted are assembled.

Japanese Patent Application No. 2007-202670

  Hereinafter, the invention according to the above-mentioned application will be described with reference to FIGS.

  First, the overall configuration of the folding container will be described with reference to FIGS. 9 and 10.

  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. And the height of the long side bank portion 1a is lower than the height of the short side bank portion 1b. Further, an appropriate number of female hinge members H1 described later are arranged at predetermined intervals on the long side bank portion 1a and the short side bank portion 1b.

  Reference numeral 2 denotes a long side wall, and a male hinge member H2, which will be described later, is provided on the back surface of the lower end flange 2a of the long side wall 2 in correspondence with the female hinge member H1 disposed on the long side bank portion 1a. It is arranged. Reference numeral 3 denotes a short side wall, and a male hinge member H2 to be described later is arranged on the back surface of the lower end flange 3a of the short side wall 3 corresponding to the female hinge member H1 disposed on the short side wall bank portion 1b of the bottom portion 1. It is installed.

  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 FIG. 10, in order to assemble from a folded state into a box shape as shown in FIG. 9, first, the short side wall 3 in a substantially horizontal state is set up substantially vertically. Then, by folding the long side wall 2 substantially vertically, the folding container is assembled into a box shape. In order to fold a folded container assembled in a box shape, first, the long side wall 2 is folded down so as to overlap the bottom portion 1, and then the short side wall 3 is overlapped with the long side wall 2 that is tilted first. The folding container is folded by defeating it.

  In the folded state, the tip portions of the long side walls 2 are configured to partially overlap each other, and similarly, the tip portions of the short side walls 3 are also configured to partially overlap each other.

  Next, the female hinge member H1 will be described using the female hinge member H1 disposed on the long side bank portion 1a of the bottom portion 1 as an example with reference to FIGS. In addition, since the female hinge member H1 arrange | positioned at the short side bank part 1b of the bottom part 1 is also substantially the same as the female hinge member H1 arrange | positioned at the long side bank part 1a, the Detailed description is omitted.

  The female hinge member H1 is formed with a vertical hole 4 having a rectangular planar shape into which a male hinge member H2 to be described later can be fitted. The vertical hole 4 is located above the outer wall 1a1 of the long side bank portion 1a. The outer vertical wall 4a formed by extending the inner wall 1a2, the inner vertical wall 4b formed by extending the inner wall 1a2 of the long side bank portion 1a upward, both ends of the outer vertical wall 4a and the inner vertical wall The wall 4b is surrounded by opposing vertical short walls 4c that connect both ends of the wall 4b. Further, the inner vertical wall 4 b is formed with a notch recess 5 whose upper end is connected to the vertical hole 4.

  Of the opposing side end surfaces 5a and 5b constituting the notch recess 5, one side end surface 5a is formed on the other side from the upper vertical portion 5a1 extending to the vicinity of the bottom plate 1c and the lower end of the upper vertical portion 5a1. The horizontal portion 5a2 extends in the direction of the end face 5b, and the lower vertical portion 5a3 extends downward from the tip of the horizontal portion 5a2.

  The other side end surface 5b extends from the upper vertical portion 5b1 having a lower height than the upper vertical portion 5a1 of the one side end surface 5a and the lower end of the upper vertical portion 5b1 in a direction away from the one side end surface 5a. The horizontal portion 5b2 and the lower vertical portion 5b3 extending downward from the tip of the horizontal portion 5b2.

  The upper region of the notch recess 5 located between one side end face 5a and the other side end face 5b is located at the substantially central part of the vertical hole 4 and forms the other side end face 5b. The lower vertical portion 5b3 is configured to be substantially flush with the vertical short wall 4c forming the vertical hole 4.

  The female hinge member H1 has a horizontal portion 5a2 that forms one side end face 5a, a horizontal vertical wall 4a that forms a vertical hole 4, an inner vertical wall 4b, and a horizontal short that is connected to one vertical short wall 4c. A step 6 is formed.

  Further, the other side end surface 5b is partitioned by the upper end surface of the inner vertical wall 4b, the upper vertical portion 5b1, and the horizontal portion 5b2, and extends in the direction of the upper vertical portion 5a1 of the one side end surface 5a. A projecting piece 7 is formed.

  A block-like hook 8 projects from the upper end of the inner surface of the inner vertical wall 4b (the surface facing the outer vertical wall 4a) located on the side where the engagement protrusion 7 is not formed. The hook 8 is for preventing the long side wall 2 from being folded in a substantially horizontal state, and hereinafter, the hook 8 will be referred to as a horizontal side wall lifting preventing hook for convenience.

  Further, a block-like hook 9 similar to the above-described horizontal side wall lifting prevention hook 8 is projected on the inner surface (surface facing the outer vertical wall 4a) of the protruding piece portion 7, and this hook 9 is This is for preventing the long side wall 2 from being lifted in a substantially vertical state. Hereinafter, the hook 9 will be referred to as a vertical side wall lifting preventing hook for convenience.

  The vertical hole 4, the notch recess 5, the engagement protrusion 7, the horizontal side wall lifting prevention hook 8, and the vertical side wall lifting are surrounded by the outer vertical wall 4 a and the vertical vertical wall 4 c facing the inner vertical wall 4 b. The female hinge member H1 is configured by the prevention hook 9 and the like.

  Next, the male hinge member H2 disposed on the long side wall 2 will be described with reference to FIGS. In addition, since the male hinge member H2 arrange | positioned at the short side wall 3 is also substantially the same as the male hinge member H2 arrange | positioned at the long side wall 2, the detailed description is abbreviate | omitted.

  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, and the male hinge member H2 is suspended from the back surface of the lower end flange 2a. have.

  A block portion 11 perpendicular to the side surface 10a is formed at the lower end portion of one side surface 10a of the side surface 10a, 10b facing the support block 10 perpendicular to the plate-like portion 2b of the long side wall 2. When the long side wall 2 in the folded horizontal state is lifted, the block portion 11 prevents the horizontal side wall from forming the female hinge member H1 formed on the long side bank portion 1a of the bottom portion 1. It is comprised so that it may contact | abut to the collar part 8a of the hook 8 for an object. Hereinafter, the block portion 11 is referred to as a horizontal side wall lifting prevention block portion. An inner surface (a surface located on the inner side of the box-shaped folding container) 11a of the horizontal side wall lifting prevention block portion 11 is positioned on an inner surface (the inner side of the box-shaped folding container). Surface) 10c and substantially flush.

  Further, a block portion perpendicular to the side surface 10b is provided at the lower end portion of the other side surface 10b of the side surfaces 10a and 10b facing the support block 10 perpendicular to the plate-like portion 2b of the long side wall 2. 12 is formed, and a locking bulging portion 12 a that extends beyond the inner surface 10 c of the support block 10 is formed in the block portion 12. When the long side wall 2 is erected substantially vertically, the block portion 12 is a hook portion of the hook 9 for preventing the vertical side wall from rising that constitutes the female hinge member H1 formed on the long side bank portion 1a of the bottom portion 1. It is configured to enter 9a and abut against the flange 9a of the vertical side wall lifting prevention hook 9 or to be close to the flange 9a of the vertical side wall lifting prevention hook 9. Hereinafter, the block portion 12 is referred to as a vertical side wall lifting prevention block portion.

  The support block 10, the horizontal side wall lifting prevention block part 11, and the vertical side wall lifting prevention block part 12 disposed on the lower end flange 2a of the long side wall 2 described above constitute a male hinge member H2.

  A female hinge member H1 disposed on the long side bank portion 1a of the bottom portion 1 and a male hinge member H2 disposed on the long side wall 2 are hingedly connected, and are arranged on the short side bank portion 1b of the bottom portion 1. The long side wall 2 and the short side wall 4 are assembled to the bottom 1 by hinge-connecting the female hinge member H1 provided and the male hinge member H2 disposed on the short side wall 3.

  Next, the female hinge member H1 disposed on the bottom portion 1 and the male hinge member H2 disposed on the long side wall 2 in a state where the folding container is assembled in a box shape with reference to FIGS. The hinge connecting portion will be described.

  When the folding container is assembled in a box shape and the long side wall 2 is set substantially vertically, the vertical side wall lifting preventing block 12 constituting the male hinge member H2 disposed on the long side wall 2 is 1 enters the flange portion 9a of the vertical side wall lifting prevention hook 9 constituting the female hinge member H1 formed on the long side bank portion 1a, abuts on the flange portion 9a of the vertical side wall lifting prevention hook 9, or The vertical side wall lifting prevention hook 9 is configured so as to be positioned close to the flange portion 9a, and therefore, the vertical side wall 2 is configured to be prevented from being lifted upward.

  Further, when the folding container is assembled in a box shape and the long side wall 2 is erected substantially vertically, the horizontal side wall lifting prevention block portion 11 constituting the male hinge member H2 disposed on the long side wall 2 is provided. Further, the horizontal side wall lifting prevention hook 8 constituting the female hinge member H1 formed on the long side bank portion 1a of the bottom portion 1 is configured to be positioned below the flange portion 8a at a predetermined distance. However, as described above, the vertical side wall lifting prevention block portion 12 constituting the male hinge member H2 disposed on the long side wall 2 has the female hinge member H1 formed on the long side bank portion 1a of the bottom portion 1 as shown in FIG. It enters the flange portion 9a of the vertical side wall lifting prevention hook 9 and constitutes contact with the flange portion 9a of the vertical side wall lifting prevention hook 9 or approaches the flange portion 9a of the vertical side wall lifting prevention hook 9. Which is configured to be positioned, no such long side wall 2 is lifted.

  Next, using FIG. 20 to FIG. 22, the hinge connecting portion between the female hinge member H <b> 1 disposed on the bottom portion 1 and the male hinge member H <b> 2 disposed on the long side wall 2 when the folding container is folded. Will be described.

  When folding a folding container assembled in a box shape, one long side wall 2 of the opposing long side walls 2 is tilted substantially horizontally so that it overlaps the bottom 1, and then the other long side wall 2 The side wall 2 is tilted substantially horizontally on the long side wall 2 that has been tilted first. In this way, the long side wall 3 that is tilted later can be tilted substantially horizontally because the notch recess 5 formed in the female hinge member H1 has a male hinge as described in Patent Document 1. This is because the support block 10 constituting the member H2 is configured to have a depth that is approximately twice the thickness of the support block 10 (thickness in the direction perpendicular to the plate-like portion 2b of the long side wall 2).

  When the folding container is folded and the long side wall 2 is tilted substantially horizontally, the horizontal side wall lifting prevention block portion 11 constituting the male hinge member H2 disposed on the long side wall 2 tilted later is provided. , Abutting against the flange 8a of the horizontal side wall lifting prevention hook 8 constituting the female hinge member H1 formed on the long side bank portion 1a of the bottom 1, or contacting the flange 8a of the horizontal side wall lifting prevention hook 8 It is configured to be located close to each other. Therefore, even if the long side wall 2 that has been tilted later is lifted upward, the horizontal side wall lifting prevention block portion 11 that constitutes the male hinge member H2 disposed on the long side wall 2 is provided on the long side side of the bottom portion 1. There is no case where the hinge connection between the bottom portion 1 and the long side wall 2 is released due to contact with the flange portion 8a of the horizontal side wall lifting prevention hook 8 constituting the female hinge member H1 formed on the bank portion 1a.

  When the long side wall 2 is tilted substantially horizontally, the vertical side wall lifting preventing block 12 constituting the male hinge member H2 disposed on the long side wall 2 is provided on the long side bank portion of the bottom portion 1. As described above, the male hinge member H2 disposed on the long side wall 2 is configured even if it is located away from the flange portion 9a of the vertical side wall lifting prevention hook 9 constituting the female hinge member H1 formed on 1a. The horizontal side wall lifting prevention block portion 11 that comes into contact with the flange portion 8a of the horizontal side wall lifting prevention hook 8 that constitutes the female hinge member H1 formed on the long side bank portion 1a of the bottom portion 1, and accordingly. The hinge connection between the bottom 1 and the long side wall 2 is not released.

  The problem to be solved by the present invention will be described below. First, with reference to FIGS. 23 and 24, the vertical side wall lifting prevention that constitutes the male hinge member H2 on the long side wall 2 in the substantially horizontal state that has been tilted is described. The main part of the block 12 for use will be described in relation to the vertical side wall lifting prevention hook 9 constituting the female hinge member H1 disposed on the bottom 1.

  When the long side wall 2 is in a substantially horizontal state, the corner located on the vertical side wall lifting preventing hook 9 side of the vertical side wall lifting preventing block 12 and located on the upper side is referred to as an upper corner and is denoted by reference numeral 12b. At the same time, the corner located on the vertical side wall lifting prevention hook 9 side of the vertical side wall lifting prevention block 12 and located below is referred to as a lower corner and is denoted by reference numeral 12c. When the long side wall 2 is erected substantially vertically, the upper corner portion 12b is located on the outer vertical wall 4a side that constitutes the vertical hole 4 formed in the long side bank portion 1a of the bottom portion 1, and The lower corner 12c is positioned on the inner side of the folding container assembled in a box shape.

  By the way, when the folded container in a folded state is assembled into a box shape, for example, the long side wall 2 in a state of being tilted substantially horizontally is rotated in the vertical direction. As shown in the figure, when one side end 2 ′ of the long side wall 2 in the horizontal state is lifted, the vertical side wall lifting prevention block portion constituting the male hinge member H2 disposed on the long side wall 2 is shown. 12 is an outer vertical wall 4a that constitutes a vertical hole 4 in which a vertical side wall lifting prevention hook 9 that constitutes a female hinge member H1 formed on the long side bank portion 1a of the bottom part 1 and a male hinge member H2 can be fitted. May be located between. When the long side wall 2 is rotated in the vertical direction in such a state, as shown in FIG. 25, the lower corner portion 12c of the vertical side wall lifting prevention hook 9 facing the outer vertical wall 4a is formed. There is a problem that the vertical block portion 11 constituting the male hinge member H2 is in contact with the vertical surface 9b and is in contact with the inner surface 4a1 of the outer vertical wall 4a, thereby preventing the rotation of the long side wall 2 in the vertical direction. there were.

  An object of the present invention is to solve the problems of the folding container in the previous application.

  In order to achieve the above-mentioned object, the present invention is hinged to the bottom and one opposing side wall hinged to one opposing bank of the bottom and the other opposing bank of the bottom. In the folding container having the other opposite side wall, a vertical side wall lifting prevention hook is provided on the engaging protruding piece projecting from the side end surface constituting the notch recess of the female hinge member disposed at the bottom. And forming a horizontal side wall lifting prevention hook on the inner surface of the inner vertical portion located on the side end surface opposite to the side end surface, and a support block constituting a male hinge member disposed on the side wall. A horizontal side wall lifting prevention block portion is formed at the lower end portion of one side surface, and a vertical side wall lifting prevention block portion is formed at the lower end portion of the other side surface. When the side wall in the state is rotated in the vertical direction, the horizontal upper surface opposite to the lower end flange of the side wall of the vertical side wall lifting prevention block portion is vertically outside the vertical hole constituting the female hinge member disposed on the bottom portion. The vertical side wall lifting prevention hook that faces the wall is configured to come into contact with the corner formed by the vertical surface of the vertical side wall lifting prevention hook and the flange of the vertical side wall lifting prevention hook.

  On the side of the side end face facing the side end face, a hook for preventing the vertical side wall from lifting is formed on the engaging protrusion piece projecting from the side end face constituting the notch recess of the female hinge member disposed on the bottom. A horizontal side wall lifting prevention hook is formed on the inner surface of the inner vertical portion located at the side, and a horizontal side wall lifting prevention hook is formed at the lower end of one side of the support block constituting the male hinge member disposed on the side wall. In addition to forming a block part, a vertical side wall lifting prevention block part is formed at the lower end of the other side surface, and when the horizontal side wall is rotated in the vertical direction, the vertical side wall lifting prevention block part is formed. A horizontal upper surface opposite to the lower end flange of the side wall of the vertical wall of the vertical side wall lifting prevention hook opposite to the outer vertical wall of the vertical hole constituting the female hinge member disposed on the bottom By being configured to contact the corner formed by the hook portion of the hook for preventing straight side wall lifting, the lower corner portion of the vertical side wall lifting preventing block portion constituting the male hinge member disposed on the side wall is formed. The vertical block portion constituting the male hinge member abuts against the outer vertical wall and abuts against the vertical surface of the vertical side wall lifting prevention hook facing the outer vertical wall constituting the female hinge member disposed on the bottom. This prevents the side wall from being prevented from rotating in the vertical direction.

  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. In the following description, only differences in configuration from the above-described invention of the previous application will be described, the same reference numerals are used for the same configurations, and detailed descriptions thereof will be omitted. In the following, as described above, a long side wall having a bottom portion 1 having a female hinge member H1 disposed on the long side bank portion 1a and a male hinge member H2 hinged to the female hinge member H1. 2, the present invention will be described. However, the bottom portion 1 having the female hinge member H1 disposed on the short side bank portion 1b and the short portion having the male hinge member H2 hinged to the female hinge member H1. Since the same applies to the side wall 3, the description thereof is omitted.

  As shown in FIG. 13 of the previous application, for preventing the vertical side wall from being lifted up against the outer vertical wall 4a of the vertical hole 4 constituting the female hinge member H1 disposed on the long side bank portion 1a of the bottom portion 1. The corner portion 9c formed by the vertical surface 9b of the hook 9 and the flange portion 9a of the vertical side wall lifting prevention hook 9 is deleted, and in the present invention, as shown in FIG. A surface 9d is formed. The corner curved surface 9d can be an inclined surface.

  As described above, the corner curved surface 9d is formed at the corner formed by the vertical surface 9b and the flange 9a facing the outer vertical wall 4a of the vertical hole 4 of the vertical side wall lifting prevention hook 9. 23, even if one side end 2 ′ of the long side wall 2 in the horizontal state is lifted, as shown in FIG. If the upper corner 12b is positioned within the range of the corner curved surface 9d formed on the vertical side wall lifting prevention hook 9, in this state, the long side wall 2 is rotated in the vertical direction, Even if the vertical block portion 11 constituting the male hinge member H2 abuts on the inner surface 4a1 of the outer vertical wall 4a, as shown in FIG. Opposite to the lower end flange 2a Vertical block 12d or upper corner 12b of vertical side wall lifting prevention block 12 abuts on corner curved surface 9d formed on vertical side wall lifting prevention hook 9 and constitutes a vertical block that constitutes male hinge member H2. Due to the reaction force caused by the portion 11 being in contact with the inner surface 4a1 of the outer vertical wall 4a, the vertical side wall lifting prevention block portion 12 follows the corner curved surface 9d formed on the vertical side wall lifting prevention hook 9. Thus, since the vertical side wall lifting prevention hook 9 can smoothly enter the flange portion 9a, the vertical side wall 2 is not prevented from rotating in the vertical direction.

  Next, another embodiment of the present invention will be described with reference to FIGS.

  In this embodiment, the protruding amount P1 of the locking bulge portion 12a constituting the male hinge member H2 disposed on the long side wall 2 from the support block 10 is determined by the amount of the locking bulging portion 12a in the above-mentioned previous application. This is larger than the protruding amount P2 (FIG. 15) from the support block 10.

  With the configuration as described above, as shown in FIG. 23, even if one side end 2 ′ of the long side wall 2 in the horizontal state is lifted, as shown in FIG. When the side wall 2 is rotated in the vertical direction, the horizontal upper surface 12d opposite to the lower end flange 2a of the long side wall 2 of the vertical side wall lifting prevention block 12 is opposite to the vertical surface 9b of the vertical side wall lifting prevention hook 9. The possibility of abutting the corner portion 9c formed by the portion 9a is higher than that of the above-mentioned previous application, and therefore, the vertical block portion 11 constituting the male hinge member H2 is formed on the outer vertical wall 4a. The horizontal upper surface 12d of the vertical side wall lifting prevention block portion 12 extends along the corner portion 9c of the vertical side wall lifting prevention hook 9 by the reaction force caused by the contact with the inner surface 4a1. 9 of the eaves portion 9a, smoothly, it is possible to enter, there is no such thing as pivoting in the vertical direction of the long side wall 2 is prevented.

FIG. 1 is a partial vertical sectional view in the vicinity of a hinge connecting portion of a folding container according to the present invention. FIG. 2 is a partial vertical sectional view in the vicinity of the hinge connecting portion of the folding container of the present invention similar to FIG. FIG. 3 is a partial vertical sectional view of the vicinity of the hinge connecting portion of the folding container of the present invention similar to FIG. FIG. 4 is also a partial vertical sectional view of the vicinity of the hinge connecting portion of the folding container of the present invention similar to FIG. FIG. 5 is a partial perspective view of the vicinity of the hinge connecting portion of the folding container according to the present invention. FIG. 6 is a partial vertical sectional view of the vicinity of the hinge connecting portion of the folding container of the present invention shown in FIG. FIG. 7 is a partial vertical sectional view in the vicinity of the hinge connecting portion of the folding container of the present invention similar to FIG. FIG. 8 is a partial vertical sectional view in the vicinity of the hinge connecting portion of the folding container of the present invention similar to FIG. FIG. 9 is a perspective view of a state in which the folding container of the invention according to the previous application is assembled in a box shape. FIG. 10 is a perspective view of the folded container of the invention according to the previous application in a folded state. FIG. 11 is a perspective view of the bottom part of the folding container of the invention according to the previous application. FIG. 12 is an enlarged perspective view of a female hinge member disposed on the bottom of the folding container according to the invention of the previous application. FIG. 13 is an enlarged perspective view of a female hinge member disposed on the bottom of the folding container of the invention according to the previous application. FIG. 14 is a perspective view of a long side wall constituting the folding container of the invention according to the previous application. FIG. 15 is an enlarged perspective view of the male hinge member disposed on the long side wall constituting the folding container of the invention according to the previous application. FIG. 16 is also an enlarged perspective view of a male hinge member disposed on a long side wall constituting the folding container of the invention according to the previous application. FIG. 17 is a partial vertical cross-sectional view along the short side wall in a state where the folding container of the invention according to the previous application is assembled in a box shape. FIG. 18 is a partial vertical sectional view of the vicinity of the hinge connecting portion shown in FIG. FIG. 19 is a partially enlarged perspective view of the vicinity of the hinge connecting portion shown in FIG. FIG. 02 is a partial vertical cross-sectional view along the short side wall in a state in which the folding container of the invention according to the previous application is folded. FIG. 21 is a partial vertical sectional view of the vicinity of the hinge connecting portion shown in FIG. FIG. 22 is a further partial vertical sectional view of the vicinity of the hinge connecting portion shown in FIG. FIG. 23 is a partial perspective view including a partial vertical cross section in a state in which the folding container of the invention according to the previous application is folded. FIG. 24 is a partial vertical sectional view of the vicinity of the hinge connecting portion of the folding container shown in FIG. FIG. 25 is a partially enlarged vertical sectional view in the vicinity of the hinge connecting portion of the folding container similar to FIG.

Explanation of symbols

H1 ..... Female hinge member H2 ..... Male hinge member 1・ ・ Bottom 2 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Long side wall 3 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Short side wall 7 ・ ・ ・ ・ ・ ・ ・ ・························································································································ Lifting prevention hook 9d ································································· Support block 11・ ・ ・ ・ ・ Horizontal side wall lifting prevention block 12 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Vertical side wall lifting prevention block

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, On the side of the side end face facing the side end face, a hook for preventing the vertical side wall from lifting is formed on the engaging protrusion piece projecting from the side end face constituting the notch recess of the female hinge member disposed on the bottom. A horizontal side wall lifting prevention hook is formed on the inner surface of the inner vertical portion located at the side, and a horizontal side wall lifting prevention hook is formed at the lower end of one side of the support block constituting the male hinge member disposed on the side wall. When forming the block portion and forming the vertical side wall lifting prevention block portion at the lower end of the other side surface, and further rotating the horizontal side wall in the vertical direction, Vertical surface of the vertical side wall lifting prevention hook whose horizontal upper surface facing the lower end flange of the side wall of the block for preventing straight side wall lifting is opposed to the outer vertical wall of the vertical hole constituting the female hinge member arranged at the bottom A folding container characterized by being configured to abut against a corner formed by the hook of the vertical side wall lifting prevention hook.

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