JP2005219761A - Folding container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem of a folding container whose sidewalls placed to surround the bottom are folded to overlay the bottom. <P>SOLUTION: The folding container includes: the bottom 1; longer sidewalls 2 hinged with longitudinal banks 1a of the bottom; and shorter sidewalls 3 similarly hinged with latitudinal banks 1b of the bottom, has an insertion rod s5 formed on an inclination preventive member S provided on the longer sidewall and through holes 1a2 and 2f1 bored respectively on the bottom and the longer sidewall corresponding to the insertion rod. The container is structured to have the insertion rod of the inclination preventive member inserted into the through holes when the folding container is set up into a box shape. A fitting projection s11 which is fitted into a fitting recess 2t of an elastic plate 2n formed on the longer sidewall is formed at the lowermost position of the inclination preventive member. Thus, the inclination preventive member is prevented from moving up owing to vibration or the like during the transportation or handling of the folding container, and the insertion rod of the inclination preventive member is prevented from coming out of the through holes bored on the bottom and the longer sidewall. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

The present invention relates to a folding container that can be folded so that a side wall disposed so as to surround the bottom portion overlaps the bottom portion.

In the following application, the present applicant arranges a tilt suppression member having an insertion rod portion that can move up and down on the long side wall of the folding container assembled in a box shape, and places the insertion rod portion on the bottom and long side walls. We proposed a folding container that was constructed so that the long side wall would not collapse or deform when inserted into the formed through-hole when a load was applied from the outside.
Japanese Patent Application No. 2003-202231

There is a problem that the insertion rod portion of the tilt restraining member disclosed in the above-mentioned previous application is displaced due to vibrations during conveyance or handling of the folding container, and comes out of the through holes formed in the bottom portion and the long side wall. It was.

In addition, the tilt restraining member discharged from the through hole formed in the bottom and the long side wall can easily move, or when the folded container in the folded state is assembled into a box shape, or When the assembled folding container is folded, the tilt restraining member must be held by hand so that the tilt restraining member does not move against the operator's will, so the assembly work of the folding container Or there was a problem that workability of folding work was bad.

Further, when a load is applied to the long side wall of the folding container assembled in a box shape from the outside to the inside, and the long side wall is deformed, the tilt suppressing member is separated from the long side wall, and the long side wall of the tilt suppressing member is There was a problem that the function of preventing tilting and bending was impaired.

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

In order to achieve the above-mentioned object, the present invention has a bottom portion, a long side wall hinged to the long side bank portion of the bottom portion, and a short side wall hinged to the short side side bank portion of the bottom portion. In addition, an insertion rod portion is formed on the tilt restraining member disposed on the long side wall, and through holes are respectively formed in the bottom portion and the long side wall corresponding to the insertion rod portion, so that the folding container is a box. In the folding container configured to insert the insertion rod portion of the tilt suppression member into the through-hole when assembled into a mold, first, the tilt suppression member has a lowermost position of the tilt suppression member. In the second embodiment, a fitting projection that can be fitted into the fitting recess of the elastic plate portion formed on the long side wall is formed.Secondly, the tilt suppressing member is at the uppermost position of the tilt suppressing member, Auxiliary fitting protrusions projecting on the long side wall are fitted The auxiliary elastic plate portion having a functioning groove is formed, and thirdly, the tilt suppressing member can be inserted into the engaging recess formed in the long side wall at the lowest position of the tilt suppressing member. A stop rib is formed.

Since the tilting suppression member is formed with a fitting protrusion that can be fitted in the fitting recess of the elastic plate portion formed on the long side wall at the lowest position of the tilting suppression member, the folding container is being transported or handled. It is possible to prevent the tilt restraining member from being displaced due to vibrations in the inside, and therefore, it is possible to prevent the insertion rod portion of the tilt restraining member from slipping out of the through holes formed in the bottom portion and the long side wall. it can.

Since the auxiliary elastic plate part having the groove into which the auxiliary fitting protrusion protruding from the long side wall can be fitted at the uppermost position of the inclination suppressing member is formed on the inclination suppressing member, it is formed on the bottom part and the long side wall. It is possible to prevent the tilt restraining member that has been discharged from the through-hole from moving easily, and when the folded container in the folded state is assembled into a box shape or into a box shape. When the assembled folding container is folded, it is not necessary to hold the tilt suppression member by hand so that the tilt suppression member does not move, so that the workability of the folding container assembly work or the folding work is improved.

Since the locking rib that can be inserted into the engaging recess formed on the long side wall is formed on the tilt suppressing member at the lowest position of the tilt suppressing member, when the long side wall is deformed, the tilt suppressing member is long. Following the movement of the side wall, it is possible to prevent the tilt suppressing member from being separated from the long side wall and the function of preventing the tilt / curvature of the long side wall of the tilt suppressing member from being impaired.

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.

The folding container of the present invention includes a bottom 1, a long side wall 2 that is hinged to the long side bank 1a of the bottom 1, and a short side bank 1b that is lower than the long side 1a. From the assembled state in the box shape shown in FIG. 1, first, the short side wall 3 is formed as shown in FIG. The folding container is placed at a height as shown in FIG. It is configured so that it can be folded into a low compact. Further, from the state shown in FIG. 3, the long side wall 2 is erected substantially vertically, and then the short side wall 3 is erected substantially vertically, so that the folded side is folded as shown in FIG. The container can be assembled into a box shape.

The long side wall 2 has a horizontally-long substantially rectangular plate-like portion 2 a, and both vertical ends of the long side wall 2 are substantially perpendicular to the plate-like portion 2 a and in the direction of the inner wall surface of the long side wall 2. A vertically long engagement frame 2b is formed, and the engagement frame 2b has an appropriate number of fitting holes 2b1 substantially parallel to the plate-like portion 2a at a predetermined interval in the vertical direction. (In this embodiment, two fitting holes 2b1 are formed).

A substantially U-shaped slit 2c is formed in the vicinity of the upper end corners of the plate-like portion 2a of the long side wall 2, and by forming the substantially U-shaped slit 2c, the slit 2c The enclosed portion is formed with a cantilever-shaped locking elastic piece 2d extending in the horizontal direction. A locking projection 2d1 protrudes from the tip on the inner surface side of the locking elastic piece 2d, and the engaging frame 2b side of the locking projection 2d1 is substantially parallel to the inner surface of the engaging frame 2b. It is formed on a vertical surface.

The upper and lower ends of the plate-like portion 2a of the long side wall 2 are formed with an upper end horizontal rib 2e and a lower end horizontal rib 2f that are substantially perpendicular to the plate-like portion 2a and extend outward. An appropriate number of vertical ribs 2g and horizontal ribs 2h are formed on the outer surface of 2a (the surface located outside when the folding container is assembled into a box shape).

The short side wall 3 has a horizontally-long substantially rectangular plate-like portion 3a, and upper and lower horizontal ribs that are substantially perpendicular to the plate-like portion 3a and extend outward at upper and lower ends of the plate-like portion 3a. 3b and a lower end horizontal rib 3c are formed respectively, and left and right ends of the plate-like portion 3a are end vertical ribs 3d that are substantially perpendicular to the plate-like portion 3a and extend outward. Is formed. A longitudinally extending extension frame 3e is formed outside the end vertical rib 3d, and an appropriate number of fitting protrusions 3e1 are formed along the end vertical rib 3d (this book). In the embodiment, two fitting protrusions 3e1 are formed corresponding to the two fitting holes 2b1 formed in the engagement frame 2b. The fitting protrusion 3e1 is configured to be inserted into the fitting hole 2b1 formed in the engagement frame 2b of the long side wall 2 described above. Further, an appropriate number of vertical ribs 3f and horizontal ribs 3g are formed on the outer surface of the plate-like portion 3a (the surface located outside when the folding container is assembled into a box shape).

In order to assemble the folding container from the folded state shown in FIG. 3 into the box shape shown in FIG. 1, first, the long side wall 2 in the substantially horizontal state is rotated in the vertical direction. Then, as shown in FIG. Next, when the short side wall 3 folded so as to overlap the bottom portion 1 is rotated in the vertical direction from the substantially horizontal state, the extension frame 3e of the short side wall 3 is engaged with the engagement frame 2b formed on the long side wall 2. When the short side wall 3 is rotated in the vertical direction, the end vertical surface of the extension frame 3e of the short side wall 3 protrudes from the inner surface of the long side wall 2. The locking protrusion 2d1 of 2d is pushed, and the locking elastic piece 2d is bent outwardly against the elasticity of the locking elastic piece 2d. Further, when the short side wall 3 is rotated in the vertical direction, the fitting protrusion 3e1 projecting from the extension frame 3e of the short side wall 3 is fitted into the fitting hole 2b1 formed in the engaging frame 2b of the long side wall 2. Inserted into. In the process in which the fitting protrusion 3e1 protruding from the extension frame 3e of the short side wall 3 is inserted into the fitting hole 2b1 formed in the engagement frame 2b of the long side wall 2, the extension frame 3e of the short side wall 3 is inserted. The locking projection 2d1 of the locking elastic piece 2d formed on the long side wall 2 is disengaged from the vertical surface of the end portion of the, and the locking elastic piece 2d returns to its original position due to its elasticity, and the locking elastic piece 2d The locking projection 2d1 is positioned in contact with or close to the extension frame 3e of the short side wall 3. Therefore, even if the short side wall 3 tries to rotate in the direction of the bottom 1, the extension frame 3 e of the short side wall 3 comes into contact with the locking protrusion 2 d 1 of the locking elastic piece 2 d formed on the long side wall 2. Therefore, even if the short side wall 3 is loaded from the outside, it does not fall in the direction of the bottom 1. Similarly, the other short side wall 3 is rotated from the substantially horizontal state to the vertical direction to assemble the folding container into a box shape.

When the folding container assembled in a box shape is folded, the locking projection 2d1 of the locking elastic piece 2d formed on the long side wall 2 is moved away from the extension frame 3e of the short side wall 3, that is, outward. The locking elastic piece 2d of the long side wall 2 is bent against the elasticity. When the locking projection 2d1 of the locking elastic piece 2d formed on the long side wall 2 is disengaged from the extension frame 3e of the short side wall 3, the short side wall 3 is rotated in the direction of the bottom 1 to make a pair of relative The short side wall 3 is overlapped on the bottom 1. Next, the pair of opposing long side walls 2 are stacked on the pair of opposing short side walls 3 stacked on the bottom portion 1, whereby the folding container assembled in a box shape can be folded.

Next, the tilt suppressing member S1 disposed on the long side wall 2 will be described mainly with reference to FIGS.

The tilt suppression member S1 is disposed on the outer surface 2a1 of the plate-like portion 2a of the opposing long side wall 2 (the surface located outside when the folding container is assembled into a box shape), and the tilt suppression member S1. Are a horizontally long back plate portion s1, an upper horizontal strip plate portion s2 extending horizontally from the upper side of the back plate portion s1, and a lower portion extending horizontally from the lower side of the back plate portion s1. It has a horizontal strip plate portion s3 and end vertical connection plate portions s4 that connect both ends of the upper horizontal strip plate portion s2 and both ends of the lower horizontal strip plate portion s3.

An insertion rod portion s5 that is substantially perpendicular to the lower horizontal strip-shaped plate portion s3 is suspended from the lower surface near both ends of the lower horizontal strip-shaped plate portion s3. In this embodiment, as an example, the insertion rod portion s5 includes three vertical strip portions s5a arranged in parallel to each other, and a vertical connection strip portion s5b that connects one end of the vertical strip portion s5a. It is comprised by. Note that the vertical insertion rod portion s5 may be formed of a columnar body such as a prism, a cylinder, a square tube, or a cylinder.

An opposing inclined plate portion s6a is erected on the upper surface of the upper horizontal belt-like plate portion s2, and the upper end of the inclined plate portion s6a is connected by a horizontal plate portion s6b parallel to the upper horizontal belt-like plate portion s2. . Further, the opening on the back plate portion s1 side formed by the inclined plate portion s6a, the horizontal plate portion s6b, and the upper horizontal strip plate portion s2 is closed by the back plate portion s6c. And the opening handle part s6 which has a recessed part which can insert a finger | toe of an operator's hand is formed by the inclined board part s6a, horizontal board part s6b, upper horizontal strip | belt-shaped board part s2, and back board part s6c which oppose. . The opening handle portion s6 is configured to be opened to the outside when the tilt suppressing member S1 is disposed on the outer surface 2a1 of the plate-like portion 2a of the long side wall 2 assembled in a box shape. In addition, an opposing vertical plate portion s7a that connects the upper horizontal strip plate portion s2 and the lower horizontal strip plate portion s3 is formed near the center of the upper horizontal strip plate portion s2 and the lower horizontal strip plate portion s3. The opening formed by the upper horizontal strip s2 and the vertical plate s7a facing the lower horizontal strip s3 is closed by the front plate s7b. Furthermore, the vertical slide protrusion s8 is formed by extending the back plate portion s1 outward beyond the end vertical connecting plate portion s4.

As shown in FIG. 4, a pair of vertical guide ribs 2i that connect the upper horizontal rib 2e and the lower horizontal rib 2f are provided at a predetermined interval at the center of the outer surface 2a1 of the plate-like portion 2a of the long side wall 2. Is formed. In addition, vertical restriction rails 2j project from the opposing surfaces of the vertical guide ribs 2i, and a slide that constitutes the above-described tilt suppression member S1 is provided between the restriction rail 2j and the plate-like portion 2a. A gap into which the protrusion s8 can be inserted is formed.

A pair of through holes 2f1 into which the pair of insertion rod portions s5 described above can be inserted are formed in the lower horizontal rib 2f located between the opposing vertical guide ribs 2i formed in the long side wall 2, and are folded. When the container is assembled in a box shape, the pair of insertion rod portions s5 described above can be inserted into the horizontal portion 1a1 of the long side bank portion 1a of the bottom portion 1 located directly below the pair of through holes 2f1. A pair of through holes 1a2 are formed. In addition, 2k is a horizontal reinforcement rib formed so that the vertical guide rib 2i may be bridge | crosslinked near the lower end horizontal rib 2f of the long side wall 2 as needed, and the horizontal reinforcement rib 2k is formed The horizontal reinforcing rib 2k is also provided with a through hole 2k1 that is located directly above the through hole 2f1 formed in the lower horizontal rib 2f and into which the insertion rod portion s5 can be inserted. A through hole 2f1 formed in the lower horizontal rib 2f of the long side wall 2, a through hole 1a2 formed in the horizontal portion 1a1 of the long side bank portion 1a of the bottom 1, and a horizontal reinforcing rib 2k formed as necessary. The through hole 2f1 drilled in is configured to coincide with the upper end horizontal rib 2e of the long side wall 2.

The tilt restraining member S1 includes the vertical regulating rail 2j and the outer surface of the plate-like portion 2a projecting the sliding projection s8 of the tilt restraining member S1 on the opposing surfaces of the opposing vertical guide ribs 2i formed on the long side wall 2. By being inserted into the gap formed between 2a1 and 2a1, it is configured so as to be movable vertically between the opposing vertical guide ribs 2i formed on the long side wall 2.

When the folding container is assembled into a box shape, as shown in FIGS. 9 and 10, a pair of insertion rod portions s5 of the tilt suppressing member S1 are formed in the lower horizontal rib 2f of the long side wall 2. The through hole 2f1, the through hole 2k1 formed in the horizontal reinforcing rib 2k, and the through hole 1a2 formed in the horizontal portion 1a1 of the long side bank portion 1a of the bottom 1 are inserted into the insertion rod portion s5. About half or more is configured to be located in the long side bank portion 1 a of the bottom portion 1. In the present embodiment, the cross-sectional shape perpendicular to the longitudinal direction is in the long side bank portion 1a of the bottom portion 1 formed in a substantially inverted U shape from the horizontal portion 1a1, the inner wall 1a3, and the outer wall 1a4. The insertion rod portion s5 of the tilt suppression member S1 is configured to be positioned.

As described above, when the folding container is assembled into a box shape, the tilt suppression member S1 is moved downward to bring the tilt suppression member S1 to the lowest position as shown in FIGS. By being moved downward, the insertion rod portion s5 of the tilt suppressing member S1 is drilled in the through hole 2f1 drilled in the lower horizontal rib 2f of the long side wall 2 and the horizontal portion 1a1 of the long side bank portion 1a of the bottom portion 1. It is configured to be inserted into the through hole 1a2. As described above, the insertion rod portion s5 of the tilt suppressing member S1 is formed in the through hole 2f1 formed in the lower end horizontal rib 2f of the long side wall 2 and the horizontal portion 1a1 of the long side bank portion 1a of the bottom portion 1. By inserting into the through hole 1a2, when a load is applied to the long side wall 2 of the folding container assembled in a box shape from the outside to the inside, the long side wall 2 is tilted or curved inward. Can be suppressed.

When the folding container assembled in a box shape is folded, first, as described above, the pair of opposing short side walls 3 are brought down so as to overlap the bottom portion 1. Thereafter, a hand is put into the concave portion of the opening grip portion s6, a hand is put on the lower surface of the horizontal plate portion s6b of the tilt suppressing member S1, and the tilt suppressing member S1 is moved upward, as shown in FIGS. As shown, the tilt suppression member S1 is moved up to the uppermost position, and the insertion rod portion s5 of the tilt suppression member S1 is inserted into the bottom horizontal rib 2f of the long side wall 2f and the long side of the bottom 1 It discharges | emits from the through-hole 1a2 drilled in the horizontal part 1a1 of the side bank part 1a. In this state, by folding the long side wall 2 in the direction of the bottom 1, the folding container assembled in a box shape is folded. The insertion rod portion s5 of the tilt suppressing member S1 is still inserted into the through hole 2k1 formed in the horizontal reinforcing rib 2k. In this way, the insertion rod portion s5 of the tilt suppressing member S1 is drilled in the through hole 2f1 drilled in the lower horizontal rib 2f of the long side wall 2 and the horizontal portion 1a1 of the long side bank portion 1a of the bottom portion 1. Even when the insertion rod portion s5 is discharged from the through hole 1a2, the insertion rod portion s5 is always inserted into the through hole 2k1 formed in the horizontal reinforcing rib 2k. Since the movement of s5 such as side touch can be restricted, the insertion rod portion s5 is reliably drilled in the lower horizontal rib 2f of the long side wall 2 when the tilt suppression member S1 is moved downward. It can be inserted into the through hole 2f1 and the through hole 1a2 formed in the horizontal portion 1a1 of the long side bank portion 1a of the bottom portion 1.

Further, when assembling the folding container into a box shape, the short side wall 3 in the tilted state is set up substantially vertically, and then the long side wall 2 in the set down state is set up substantially vertical, A hand is put in the concave portion of the opening grip portion s6, a hand is put on the upper surface of the upper horizontal strip-shaped plate portion s2, the tilt suppressing member S1 is moved downward, and the insertion rod portion s5 of the tilt suppressing member S1 is moved to the long side wall 2. Are inserted into a through hole 2f1 formed in the horizontal rib 2f at the lower end and a through hole 1a2 formed in the horizontal portion 1a1 of the long side bank portion 1a of the bottom portion 1. In this way, the folded container as shown in FIG. 3 is assembled into a box shape as shown in FIG.

In the above-described embodiment, there is shown an example in which a pair of, in other words, two insertion rod portions s5 are disposed on the tilt suppression member S1, but three or more are disposed. You can also. In this case, as a matter of course, the horizontal portion 1a1 of the long side bank portion 1a of the bottom portion 1 and the lower end horizontal rib 2f of the long side wall 2 correspond to three or more insertion rod portions s5. In this case, three or more through holes 1a2 and 2f1 are formed.

In particular, when the width of the long side wall 2 is long (wide), for example, exceeding 1 meter, a plurality of insertion rod portions s5 are formed on the tilt suppression member S1 disposed on the opposing long side wall 2, and Corresponding to the plurality of insertion rod portions s5, a plurality of through holes 1a2 are formed in the horizontal portion 1a1 of the long side bank portion 1a of the bottom portion 1 and a plurality of through holes 2f1 are formed in the lower end horizontal rib 2f of the long side wall 2. By inserting the plurality of insertion rod portions s5 into the plurality of through holes 1a2 and 2f1, the long side wall 2 can be applied to any part of the long side wall 2 of the folding container assembled in a box shape from the outside. Can be prevented from tilting or bending inward.

As described above, when the folding container is assembled in a box shape, the tilt suppression member S1 is moved downward, and the insertion rod portion s5 of the tilt suppression member S1 is drilled in the lower horizontal rib 2f of the long side wall 2. Inserting into the through hole 2f1 provided, if necessary, the through hole 2k1 formed in the horizontal reinforcing rib 2k and the through hole 1a2 formed in the horizontal portion 1a1 of the long side bank portion 1a of the bottom portion 1. However, in the folding container proposed by the above-mentioned previous application, the tilt restraining member S1 is shifted up due to vibration or the like during conveyance or handling of the folding container, and the insertion rod portion s5 is located at the lower end of the long side wall 2. There is a problem that the through hole 2f1 formed in the horizontal rib 2f and the through hole 1a2 formed in the horizontal portion 1a1 of the long side bank portion 1a of the bottom portion 1 come out.

Hereinafter, mainly with reference to FIGS. 4, 11, and 12, the insertion rod portion s 5 of the tilt suppressing member S 1 has a through hole 1 a 2 formed in the bottom portion 1 and a through hole 2 f 1 formed in the long side wall 2. A description will be given of a slip-up preventing means for preventing the user from slipping out.

2m is a substantially U-shaped slit formed above the central portion of the plate-like portion 2a of the long side wall 2. The slit 2m includes a vertical slit portion 2m1 formed at a predetermined interval and a vertical slit. It is comprised from the horizontal slit part 2m2 formed so that the lower end part of the part 2m1 might be connected. By forming such a substantially U-shaped slit 2m, the plate-like portion 2a is formed with an elastic plate portion 2n having a substantially square front shape.

Near the lower end portion of the elastic plate portion 2n formed on the plate-like portion 2a of the long side wall 2, it extends over the entire width of the elastic plate portion 2n in parallel with the lower side 2n1, and substantially extends to the elastic plate portion 2n. A vertical transverse rib portion 2p is formed. In addition, a substantially triangular shape is formed at both ends of the corner formed by the upper surface of the transverse rib portion 2p and the front surface of the elastic plate portion 2n (the surface located outside when the folding container is assembled into a box shape) 2n2. The guide rib 2q is formed on the front surface of the guide rib 2q (the surface located outside when the folding container is assembled into a box shape) from the front end 2p1 of the transverse rib 2p to the front of the elastic plate 2n. An inclined guide surface 2q1 is formed so that the height from the front surface 2n2 of the elastic plate portion 2n gradually decreases toward 2n2.

On the lower surface of the transverse rib portion 2p described above, a vertical rib portion 2r is suspended from the vertical end surface of the elastic plate portion 2n so as to substantially reach the lower side 2n1 of the elastic plate portion 2n. The lower ends of the opposing vertical ribs 2r are connected by a connecting rib 2s substantially perpendicular to the elastic plate 2n along the lower side 2n1 of the elastic plate 2n. Further, a portion defined by the transverse rib portion 2p formed on the elastic plate portion 2n, the vertical rib portion 2r, and the front surface 2n2 of the elastic plate portion 2n positioned below the substantially triangular guide rib portion 2q, in other words, A pair of fitting recesses 2t are formed at both corners of the lower end of the elastic plate portion 2n. Note that 2u is a plate-like portion 2a of the long side wall 2 so as to extend from the center of the cross rib portion 2p to the upper end horizontal rib 2e of the long side wall 2 as needed, perpendicularly to the cross rib portion 2p. The vertical auxiliary ribs formed in the above-described configuration are formed so that the elasticity of the elastic plate portion 2n can be adjusted by forming such vertical auxiliary ribs 2u.

On the other hand, mainly as shown in FIGS. 5 and 6, the vertical plate extending substantially vertically downward from both ends of the horizontal slit portion s9a and the horizontal slit portion s9a is provided on the back plate portion s6c of the tilt suppressing member S1. A substantially inverted U-shaped slit s9 composed of the slit portion s9b is formed. By forming such a substantially inverted U-shaped slit s9, a main elastic plate portion s10 is formed in the back plate portion s6c. The main elastic plate portion s10 is connected to the lower plate portion s10a and the lower plate portion s10a which are substantially flush with the back plate portion s6c, and in the front plate portion s7b direction with respect to the lower plate portion s10a. And a swelled operation portion s10b. Further, the back surface of the back plate portion s6c that is located in the vicinity of the vertical slit portion s9b that forms the substantially inverted U-shaped slit s9 (the plate-like portion of the long side wall 2 when the tilt suppression member S1 is disposed on the long side wall 2) On the surface s6c ′ facing 2a, a fitting protrusion s11 is provided.

Next, the fitting protrusion s11 protruding from the back surface s6c ′ of the back plate portion s6c of the tilt suppressing member S1 described above and the fitting recess 2t of the elastic plate portion 2n formed on the long side wall 2 are fitted. The operation will be described.

As shown in FIGS. 7 and 8, the folding container is assembled in a box shape, and a pair of insertion rod portions s5 of the tilt suppressing member S1 are formed in the lower horizontal rib 2f of the long side wall 2. When the tilt suppression member S1 is moved downward from a state where it is not inserted into the through hole 1a2 formed in the horizontal portion 1a1 of the long side bank portion 1a of the through hole 2f1 and the bottom portion 1, during the downward movement, The fitting protrusion s11 formed on the tilt suppressing member S1 rides on the guide surface 2q1 of the substantially triangular guide rib portion 2q formed on the elastic plate portion 2n of the long side wall 2, and the guide surface 2q1 of the guide rib portion 2q. The fitting protrusion s11 mounted on the long side wall 2 elastically deforms the elastic plate part 2n formed on the plate-like part 2a of the long side wall 2 toward the inside of the box-shaped folding container, Elasticity The fitting protrusion s11 is fitted into the fitting recess 2t of the elastic plate portion 2n formed on the long side wall 2 when the fitting projection s11 exceeds the transverse rib 2p formed on the portion 2n. Will be. Thus, when the fitting protrusion s11 formed on the tilt suppressing member S1 is fitted into the fitting recess 2t of the elastic plate portion 2n formed on the long side wall 2, a pair of the tilt suppressing member S1. The insertion rod portion s5 is inserted into the through hole 2f1 formed in the lower horizontal rib 2f of the long side wall 2 and the through hole 1a2 formed in the horizontal portion 1a1 of the long side bank portion 1a of the bottom portion 1. About half or more of the insertion rod portion s5 is positioned in the long side bank portion 1a of the bottom portion 1.

As described above, the pair of insertion rod portions s5 of the tilt suppressing member S1 is drilled in the through hole 2f1 formed in the lower horizontal rib 2f of the long side wall 2 and the horizontal portion 1a1 of the long side bank portion 1a of the bottom portion 1. In the final stage of insertion into the formed through hole 1a2, the fitting protrusion s11 formed on the tilt suppression member S1 is fitted into the fitting recess 2t of the elastic plate portion 2n formed on the long side wall 2. Therefore, when the tilt suppression member S1 is about to be displaced due to vibrations or the like during conveyance or handling of the folding container, the fitting protrusion formed on the tilt suppression member S1. Since s11 comes into contact with the transverse rib portion 2p constituting the fitting concave portion 2t, the tilt suppressing member S1 does not shift further. Accordingly, the pair of insertion rod portions s5 of the tilt suppressing member S1 are formed in the through hole 2f1 formed in the lower end horizontal rib 2f of the long side wall 2 and the horizontal portion 1a1 of the long side bank portion 1a of the bottom portion 1. It is possible to prevent the material from coming out of the through hole 1a2.

As shown in FIG. 3, when a folding container assembled in a box shape is folded as shown in FIG. 3, first, as described above, the short side wall 3 is first attached to the bottom portion. 1 and then the long side wall 2 is tilted in the direction of the short side wall 3 superimposed on the bottom 1. Before the long side wall 2 is tilted, the operation portion s 10 b of the tilt suppressing member S 1 is pushed. When the main elastic plate portion s10 is bent in the direction of the elastic plate portion 2n formed on the long side wall 2 against the elastic force of the main elastic plate portion s10, the operation portion s10b of the tilt suppressing member S1 becomes the long side wall. The elastic plate portion 2n formed on the long side wall 2 is brought into contact with the transverse rib portion 2p or the connecting rib portion 2s of the elastic plate portion 2n formed on the inner side of the folding container assembled in a box shape. Deformed and finally shown in Figure 13 As described above, the fitting protrusion s11 formed on the tilt suppression member S1 is formed on the long side wall 2 in accordance with the deformation of the elastic plate portion 2n formed on the long side wall 2 toward the inside of the folding container. It will come off from the fitting recessed part 2t of the elastic board part 2n. Thus, after the fitting protrusion s11 formed on the tilt suppressing member S1 is disengaged from the fitting recess 2t of the elastic plate portion 2n formed on the long side wall 2, the tilt suppressing member S1 is moved upward. 7 and 8, the insertion rod portion s5 of the tilt suppressing member S1 is inserted into the through hole 2f1 formed in the lower horizontal rib 2f of the long side wall 2 and the long side bank of the bottom portion 1. The folding container assembled in a box shape is folded by discharging from the through hole 1a2 drilled in the horizontal part 1a1 of the part 1a, and then tilting the long side wall 2 in the direction of the bottom part 1.

As described above, it has the bottom 1, the long side wall 2 hinged to the long side bank 1a of the bottom 1, and the short side wall 3 hinged to the short side bank 1b of the bottom 1 as well. In addition, an insertion rod portion s5 is formed in the tilt restraining member S1 disposed on each of the opposing long side walls 2, and corresponding to the insertion rod portion s5, the bottom portion 1 and the long side wall 2 are respectively provided with through holes 1a2. In the folding container configured to insert the insertion rod portion s5 of the tilt suppressing member S1 into the through holes 1a2 and 2f1 when the folding container is assembled into a box shape by punching 2f1 By forming a fitting projection s11 that fits into the fitting recess 2t of the elastic plate 2n formed on the long side wall 2 on the restraining member S1, tilting suppression due to vibrations during conveyance or handling of the folding container is suppressed. Part Therefore, it is possible to prevent the insertion rod portion s5 of the tilt suppressing member S1 from coming out of the through holes 1a2 and 2f1 formed in the bottom portion 1 and the long side wall 2. it can.

Next, the tilt suppressing member S2 of the folding container according to another embodiment will be described with reference to FIGS. 14 to 16. However, the same reference numerals are used for the same constituent members as the tilt suppressing member S1 in the above-described embodiment. Detailed description thereof will be omitted.

In this embodiment, a substantially inverted U-shaped slit s12 is formed in the back plate portion s1 in the vicinity of the opposed vertical plate portion s7a of the tilt suppressing member S2, thereby forming a pair of The auxiliary elastic plate portion s13 is formed, and the back surface of the auxiliary elastic plate portion s13 (the surface facing the plate-like portion 2a of the long side wall 2 when the tilt suppression member S2 is disposed on the long side wall 2) s13a A horizontal groove 13b is formed. In addition, a pair of auxiliary insertion rod portions s14 shorter than the insertion rod portion s5 are provided at a predetermined interval on the lower surface of the lower horizontal strip plate portion s3 located between the insertion rod portions s5 of the tilt suppressing member S2. ing.

In the back plate portion s6c located in the vicinity of the vertical slit portion s9b of the substantially inverted U-shaped slit s9 described above, a vertically long back plate side window extending from the vicinity of the bottom surface of the horizontal plate portion s6b to the upper horizontal strip plate portion s2. A portion s15 is formed, and the upper horizontal strip plate portion s2 is formed with a strip plate portion side window portion s16 that communicates with the back plate portion side window portion s15 and extends in the direction of the back plate portion s1. ing.

As described above, among the vertical sides of the opposing back plate portion s6c formed by drilling the back plate portion side window portion s15 in the back plate portion s6c, the vertical side s6d positioned on the inclined plate portion s6a side. A locking rib s17 is formed along the vertical side s6d on the front surface (surface located outside when the folding container is assembled into a box shape) s6c ″ of the back plate portion s6c in the vicinity. An inclined surface s17a that is inclined in a direction away from the front surface s6c ″ as it goes upward is formed at the lower end of s17.

Next, the long side wall 2 of the folding container according to another embodiment will be described with reference to FIGS. 17 and 18, and the same components as those of the long side wall 2 in the above-described embodiment are denoted by the same reference numerals. Detailed description is omitted.

The outer surface 2a1 of the plate-like portion 2a located in the vicinity of the elastic plate portion 2n formed on the long side wall 2 is juxtaposed with the fitting concave portions 2t formed at both corners of the lower end of the elastic plate portion 2n. An auxiliary fitting protrusion 2v that can be fitted into the horizontal groove 13b of the auxiliary elastic plate s13 formed on the tilt suppressing member S2 is provided.

Further, the outer surface 2a1 of the plate-like portion 2a located between the fitting recess 2t and the auxiliary fitting projection 2v formed at both corners of the lower end of the elastic plate portion 2n is provided at the back of the tilt suppressing member S2 described above. An engagement member 2w that engages with a locking rib s17 formed on the front surface s6c ″ of the plate portion s6c is formed. The engagement member 2w includes a base portion 2w1 that is substantially perpendicular to the plate-like portion 2a and a base portion 2w1. It is comprised from the front-end | tip to the auxiliary | assistant fitting protrusion 2v direction, and the engaging part 2w2 extended substantially parallel to the plate-shaped part 2a, and the shape seen from the upper end horizontal rib 2e direction is substantially L-shaped. An engaging recess 2w3 is formed by the base 2w1 of the engaging member 2w, the engaging portion 2w2, and the outer surface 2a1 of the plate-like portion 2a.

Further, the horizontal reinforcing rib 2k formed on the long side wall 2 has a through hole 2k2 into which the auxiliary insertion rod portion s14 suspended from the lower surface of the lower horizontal strip plate portion s3 of the tilt suppressing member S2 can be inserted. It is installed.

Next, the tilt suppression function and the like of the long side wall 2 of the folding container provided with the tilt suppression member S2 described above will be described.

As shown in FIGS. 19 and 20, the tilt suppressing member S2 is at the uppermost position. Therefore, the insertion rod portion s5 of the tilt suppressing member S2 is penetrated through the lower horizontal rib 2f of the long side wall 2. In the state of being discharged from the hole 2f1 and the through hole 1a2 drilled in the horizontal portion 1a1 of the long side bank portion 1a of the bottom portion 1, the auxiliary projectingly provided on the outer surface 2a1 of the plate-like portion 2a of the long side wall 2 The fitting protrusion 2v is configured to fit into the horizontal groove 13b of the auxiliary elastic plate portion s13 formed in the tilt suppressing member S2.

As described above, the auxiliary fitting protrusion 2v protruding from the outer surface 2a1 of the plate-like portion 2a of the long side wall 2 is fitted into the horizontal groove 13b of the auxiliary elastic plate portion s13 formed in the tilt suppressing member S2. With this configuration, the insertion rod portion s5 has a through hole 2f1 formed in the lower horizontal rib 2f of the long side wall 2 and a through hole formed in the horizontal portion 1a1 of the long side bank portion 1a of the bottom portion 1. The tilt suppression member S in the state discharged from 1a2 is configured not to move easily.

When the tilt suppression member S2 at the uppermost position shown in FIG. 19 and FIG. 20 is moved downward, first, the auxiliary fitting protrusion that protrudes from the outer surface 2a1 of the plate-like portion 2a of the long side wall 2 is firstly provided. The portion 2v bends and deforms the free end portion of the auxiliary elastic plate portion s13 formed on the tilt suppressing member S2 in a direction away from the plate-like portion 2a of the long side wall 2, so that the auxiliary fitting protrusion 2v It is discharged from the horizontal groove 13b of the elastic plate portion s13.

Next, when the tilt suppression member S2 is further moved downward, the fitting protrusion formed on the tilt suppression member S2 during the downward movement, similarly to the above-described embodiment in which the tilt suppression member S1 is disposed. The portion s11 rides on the guide surface 2q1 of the substantially triangular guide rib portion 2q formed on the elastic plate portion 2n of the long side wall 2, and the fitting protrusion s11 that rides on the guide surface 2q1 of the guide rib portion 2q is long. The transverse rib portion 2p formed on the elastic plate portion 2n of the long side wall 2 while elastically deforming the elastic plate portion 2n formed on the plate-like portion 2a of the side wall 2 in the inner direction of the folding container assembled in a box shape. And the fitting protrusion s11 is fitted into the fitting recess 2t of the elastic plate portion 2n formed on the long side wall 2 when the fitting rib s11 exceeds the transverse rib portion 2p. As described above, when the fitting protrusion s11 formed on the tilt suppressing member S2 is fitted into the fitting recess 2t of the elastic plate portion 2n formed on the long side wall 2, the tilt suppressing member S2 is inserted. The rod portion s5 is inserted into the through hole 2f1 formed in the lower horizontal rib 2f of the long side wall 2 and the through hole 1a2 formed in the horizontal portion 1a1 of the long side bank portion 1a of the bottom 1 and tilted. The auxiliary insertion rod portion s14 of the suppressing member S2 is inserted into the through hole 2k2 formed in the horizontal reinforcing rib 2k.

As described above, the insertion rod portion s5 of the tilt suppressing member S2 is formed in the through hole 2f1 formed in the lower end horizontal rib 2f of the long side wall 2 and the horizontal portion 1a1 of the long side bank portion 1a of the bottom portion 1. By inserting the auxiliary insertion rod portion s14 of the tilt suppressing member S2 into the through hole 2k2 formed in the horizontal reinforcing rib 2k formed on the long side wall 2, When a load is applied to the long side wall 2 of the folding container assembled in a box shape from the outside to the inside, it is possible to more reliably suppress the long side wall 2 from being inclined or curved inward. .

Further, as described above, the insertion rod portion s5 of the tilt suppressing member S2 is drilled into the through hole 2f1 formed in the lower horizontal rib 2f of the long side wall 2 and the horizontal portion 1a1 of the long side bank portion 1a of the bottom portion 1. In the process in which the auxiliary insertion rod portion s14 of the tilt suppressing member S2 is inserted into the through hole 1a2 provided and inserted into the through hole 2k2 formed in the horizontal reinforcing rib 2k formed on the long side wall 2, The locking rib s17 formed on the front surface s6c ″ of the back plate portion s6c of the tilt suppressing member S2 is the base portion 2w1 and the engaging portion 2w2 of the engaging member 2w formed on the outer surface 2a1 of the plate-like portion 2a of the long side wall 2. And the engaging recess 2w3 formed by the outer surface 2a1 of the plate-like portion 2a.

And in the lowest position of the inclination suppression member S2, the locking rib s17 formed in the back plate part s6c of the inclination suppression member S2 is the base part of the engaging member 2w formed in the plate-like part 2a of the long side wall 2. 2w1, the engaging portion 2w2, and the engaging recess 2w3 formed by the outer surface 2a1 of the plate-like portion 2a of the long side wall 2. The locking rib s17 contacts the engaging portion 2w2 of the engaging member 2w. Since the load is applied to the long side wall 2 of the folding container assembled in a box shape from the outside to the inside direction, and the long side wall 2 tilts or curves inward, The tilt suppression member S2 can follow such deformation of the long side wall 2, and the tilt suppression member S2 can be prevented from separating from the plate-like portion 2a of the long side wall 2. Therefore, the tilt / bending prevention function of the long side wall 2 of the tilt suppressing member S2 is not impaired. In addition, since the inclined surface s17a is formed at the lower end portion of the locking rib s17, the inclined surface s17a of the locking rib s17 is firstly engaged when the tilt suppression member S2 moves downward. Therefore, the engaging rib 2 s 17 formed on the back plate portion s 6 c of the tilt suppressing member S 2 is reliably and easily guided by the engaging portion 2 w 2 of the combined member 2 w. It can be inserted into the engaging recess 2w3 formed by the base 2w1 of the engaging member 2w, the engaging portion 2w2, and the outer surface 2a1 of the plate-like portion 2a of the long side wall 2 formed in the shaped portion 2a.

Further, when the folding container assembled in a box shape is folded, the operating portion s10b of the tilt suppressing member S2 is pushed to change the main elastic plate portion s10 and the elastic force of the main elastic plate portion s10, as in the above-described embodiment. If it is bent in the direction of the elastic plate portion 2n formed on the long side wall 2, the operation portion s10b of the tilt suppressing member S2 is connected to the transverse rib portion 2p of the elastic plate portion 2n formed on the long side wall 2 or connected. The elastic plate 2n formed on the long side wall 2 abuts against the ribs 2s and the like, and is deformed toward the inside of the folding container assembled in a box shape. As shown in FIG. The fitting protrusion s11 formed on the tilt suppression member S1 is fitted into the elastic plate portion 2n formed on the long side wall 2 in accordance with the deformation of the elastic plate portion 2n formed on the inner side of the folding container. Outside the mating recess 2t It becomes Rukoto. Thus, after the fitting protrusion s11 formed on the tilt suppressing member S2 is disengaged from the fitting recess 2t of the elastic plate portion 2n formed on the long side wall 2, the tilt suppressing member S2 is moved upward. 19 and 20, the insertion rod portion s5 of the tilt suppressing member S2 is inserted into the through hole 2f1 formed in the lower horizontal rib 2f of the long side wall 2 and the long side bank of the bottom portion 1. Through the through hole 1a2 formed in the horizontal portion 1a1 of the portion 1a, the auxiliary insertion rod portion s14 of the tilt suppressing member S2 is discharged through the horizontal reinforcing rib 2k formed in the long side wall 2 through hole 2k2. Then, the folding container assembled in a box shape is folded by tilting the long side wall 2 toward the bottom 1.

In addition, corresponding to the through holes 2k2 formed in the horizontal reinforcing rib 2k formed on the long side wall 2, the lower end horizontal rib 2f of the long side wall 2 and the horizontal portion 1a1 of the long side bank portion 1a of the bottom portion 1 are The through holes are drilled in the same manner as the above-described through holes 2f1 and 1a2, and the auxiliary insertion rod portion s14 of the tilt suppression member S is formed to have substantially the same length as the insertion rod portion s5. The auxiliary insertion rod portion s14 is configured to be inserted into the through hole formed in the horizontal portion 1a1 of the bottom side horizontal rib 2f of the long side wall 2 and the long side bank portion 1a of the bottom portion 1 in the same manner as the insertion rod portion s5. You can also By constituting in this way, when a load is applied to the long side wall 2 of the folding container assembled in a box shape from the outside to the inside direction, the long side wall 2 tilts or curves inward, Furthermore, it can suppress reliably.

Further, the insertion rod portion s5 is inserted into the through hole 2f1 formed in the lower end horizontal rib 2f of the long side wall 2 and the through hole 1a2 formed in the horizontal portion 1a1 of the long side bank portion 1a of the bottom portion 1. The auxiliary insertion rod portion s14 is inserted into the through hole 2k2 formed in the horizontal reinforcing rib 2k formed on the long side wall 2, and the auxiliary formed on the tilt suppression member S2 at the lowest position of the tilt suppression member S. A fitting projection 2x that fits into the horizontal groove 13b of the elastic plate portion s13 is provided on the outer surface 2a1 of the plate-like portion 2a of the long side wall 2 located below the auxiliary fitting projection 2v described above. You can also.

As described above, the fitting protrusion 2x that fits in the horizontal groove 13b of the auxiliary elastic plate portion s13 formed in the tilt suppressing member S2 at the lowermost position of the tilt suppressing member S is the plate of the long side wall 2. By projecting from the outer surface 2a1 of the shape portion 2a, it is possible to more reliably prevent the tilt restraining member S2 from being displaced due to vibrations or the like during conveyance or handling of the folding container.

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 the folding container according to the present invention during assembly or folding. FIG. 3 is a perspective view of the folded container of the present invention in a folded state. FIG. 4 is a partially enlarged perspective view of the long side wall and the bottom of the folding container of the present invention. FIG. 5 is a perspective view of the tilt suppressing member disposed on the long side wall of the folding container of the present invention. FIG. 6 is a rear perspective view of the tilt suppressing member disposed on the long side wall of the folding container of the present invention. FIG. 7 is a partially enlarged front view of the long side wall and the bottom of the folding container of the present invention in a state in which the tilt suppressing member is disposed. FIG. 8 is a side cross-sectional view perpendicular to the plate-like portion of the long side wall and bottom long side wall of the folding container of the present invention in a state where the tilt suppressing member is disposed. FIG. 9 is a partially enlarged front view of the long side wall and the bottom of the folding container of the present invention in a state in which the same tilt suppressing member as that in FIG. 7 is disposed. FIG. 10 is a side cross-sectional view of the long side wall and the bottom of the folding container of the present invention in a state in which the same tilt suppressing member as that in FIG. 8 is provided. FIG. 11 is a further partially enlarged perspective view of the long side wall of the folding container of the present invention. FIG. 12 is a further partial enlarged front view of the long side wall and the bottom of the folding container of the present invention in a state in which the tilt suppressing member is disposed. FIG. 13 is a side cross-sectional view of the long side wall and the bottom of the folding container of the present invention in a state in which the same tilt suppressing member as in FIG. 8 is disposed. FIG. 14 is a perspective view of a tilt restraining member disposed on the long side wall of the folding container according to another embodiment of the present invention. FIG. 15 is a rear perspective view of the tilt restraining member disposed on the long side wall of the folding container according to another embodiment of the present invention. FIG. 16 is a front view of a tilt suppressing member disposed on the long side wall of the folding container according to another embodiment of the present invention. FIG. 17 is a partially enlarged perspective view of the long side wall and bottom of a folding container according to another embodiment of the present invention. FIG. 18 is a further partially enlarged perspective view of a long side wall of a folding container according to another embodiment of the present invention. FIG. 19 is a partially enlarged front view of the long side wall and the bottom of the folding container according to another embodiment of the present invention in a state in which the tilt suppressing member is disposed. FIG. 20 is a side sectional view perpendicular to the plate-like portions of the long side wall and the bottom long side wall of the folding container according to another embodiment of the present invention in a state in which the tilt suppressing member is disposed. FIG. 21 is a partially enlarged front view of the long side wall and the bottom of the folding container according to another embodiment of the present invention in a state in which the tilt suppressing member is disposed. FIG. 22 is a further partial enlarged front view of FIG. FIG. 23 is a side cross-sectional view of the long side wall and the bottom of the folding container of the present invention in a state in which the same tilt suppressing member as that in FIG. 20 is disposed. FIG. 24 is a side cross-sectional view of the long side wall and the bottom of the folding container of the present invention in a state in which the same tilt suppressing member as that in FIG. 20 is provided.

Explanation of symbols

S1, S2 ·························································································· ················ Main elastic plate portion s11 ················································· ………… Auxiliary elastic plate part s14 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Auxiliary insertion rod part s17 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・・ ・ ・ ・ ・ ・ Locking rib 1 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Bottom 1a ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・・ Long side bank part 1a2 ・ ・ ・ ・ ・ ・ ・ ・ Through hole 1b ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Short side Bank 2 ... Long side wall 2f ... Lower end Flat rib 2f1 ..... through hole 2n ..... elastic plate part 2t ... ················································.・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Engagement member 3 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ short side wall

Claims (3)

A tilt suppressing member disposed on the long side wall, having a bottom, a long side wall hinged to the long side bank portion of the bottom portion, and a short side wall hinged to the short side side bank portion of the bottom portion. In addition, the insertion rod portion is formed, and corresponding to the insertion rod portion, through holes are formed in the bottom portion and the long side wall, respectively, and when the folding container is assembled into a box shape, In the folding container configured to insert the insertion rod portion into the through-hole, the tilt suppression member is fitted in the fitting recess of the elastic plate portion formed on the long side wall at the lowest position of the tilt suppression member. A folding container characterized in that a possible fitting protrusion is formed. The auxiliary elastic plate part which has the groove | channel which the auxiliary | assistant fitting protrusion protrudingly provided by the long side wall can fit in the uppermost position of the inclination suppression member was formed in the said inclination suppression member. The described folding container. The folding according to claim 1 or 2, wherein a locking rib that can be inserted into an engaging recess formed in the long side wall is formed on the tilt suppressing member at the lowest position of the tilt suppressing member. container.

Images