JP2006199321A - Folding container with lid - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a folding container with a lid capable of preventing half lid bodies from being hooked each other even when the half lid bodies of the adjacent folding containers with the lid are abutted on each other, and preventing the conveyance of the folding container with the lid from being impaired thereby when conveying the folding container with the lid by an adequate conveying means while a lid member is opened. <P>SOLUTION: In the folding container constituted of a folding container body C comprising an upper frame 1, a bottom part 2, a flap side wall 3, an upper split side wall 4', and a lower split side wall 4", and a lid member L consisting of a pair of half lid bodies 5, a loading part 5' and a loaded part 5" of the half lid body are juxtaposed via a sinusoidal boundary wall 5i. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a lidded folding container used for storing, transporting or transporting various articles.

  Conventionally, a folding container with a lid made up of a pair of half lids and a folding container main body is known. The folding container main body has a frame-shaped upper frame, a bottom portion, and an upper frame at its upper end. Is connected to the folding container by a hinged side wall (hereinafter, this side wall is referred to as a flip-up side wall), and an upper divided side wall and a lower divided side wall connected via an appropriate hinge portion. The upper end of the upper divided side wall is hinged to the upper frame, and the lower end of the lower divided side wall is hinged to the bottom. The pair of half-covers constituting the lid member are hinged to the upper frame.

  The pair of half lids constituting the lid member is configured such that when the folding container body is covered, substantially half of the tip end portion is superposed on each other. That is, one half region of the front end portion of the half lid body is configured as a mounting portion positioned above when the front end portions of the pair of half lid bodies are superposed, and the other half region. Is configured as a placement portion positioned below, and the tip of the placement portion protrudes forward from the tip of the placement portion, and the edge of the placement portion on the placement portion side The part is formed linearly.

  In addition, when the folding container body is covered with a pair of half lids, the placement part of the other half lid is placed on the placement part of the other half lid, The placement part of the half lid and the placement part of the other half lid will be polymerized, but when the placement part and the placement part are polymerized, the back surface of the placement part The rib portion formed on the upper portion and the rib portion formed on the upper surface of the placement portion are configured to be fitted to each other.

  A folding container with a lid in which a lid member is disposed as described above is disclosed in Patent Document 1 as an example.

JP 2001-72104 A

  In the conventional half lid described above, since the edge of the mounting portion side of the mounting portion of the half lid is formed in a straight line, the corner portion of the mounting portion on the mounting portion side However, it is not formed into a gentle curve. Therefore, when the folding container with the lid is transported by an appropriate transport means with the lid member open, the folding containers with the lid approach each other and the half lids are caught with each other, and the folding container with the lid is transported. There was a problem that was disturbed.

  In addition, since the structure of the rib portion formed on the back surface of the mounting portion of the conventional half-cover and the top surface of the mounting portion is complicated, the ribs constituting the rib portion may come into contact with each other or get caught. Thus, there is a problem that the half lids cannot be covered or the half lids cannot be opened by smoothly and quickly polymerizing the half lids.

  Furthermore, the structure of the rib part formed on the back surface of the mounting part of the conventional half-lid body and the top surface of the mounting part is complicated, and the back surface of the mounting part and the top surface of the mounting part are Since the region surrounded by the ribs is formed, there is a problem that the cleaning property of the half-lid body, and hence the cleaning property of the folding container with the lid is poor. In particular, if there is a region surrounded by ribs, there is a problem that cleaning liquid or the like accumulates in this region, and drying after cleaning takes time and labor, and the workability of the cleaning operation is deteriorated.

  The objective of this invention is solving the subject which the conventional folding container with a lid | cover mentioned above has.

  In order to achieve the above-described object, the present invention provides a folding container body composed of a raised side wall, an upper divided side wall, and a lower divided side wall, and a pair of hinges connected to opposite frame portions of the upper frame. In a folding container composed of a lid member having a half-lid body, first, the half-lid body placement section and the placement section are arranged in parallel via a sinusoidal boundary wall Secondly, a passage through which the cleaning liquid or the like is discharged is formed in the rib portion formed on the back surface of the placement portion and the rib portion formed on the top surface of the placement portion.

  Since the placing part and the placing part of the half-lid body are arranged side by side through a boundary wall having a sinusoidal shape, the folding container with the lid is transported by an appropriate transportation means with the lid member opened. In this case, even if the half lids of adjacent folding containers with lids come into contact with each other, the half lids do not get caught, thus preventing the conveyance of the folding containers with lids from being hindered. can do.

  Since the rib part formed on the back surface of the mounting part and the rib part formed on the upper surface of the mounting part are formed with passages for discharging the cleaning liquid etc., the cleaning liquid etc. may accumulate in the half lid. This can be prevented.

  Examples of the present invention will be described below, but the present invention is not limited to these examples unless it exceeds the gist of the present invention.

  The folding container with a lid is composed of a folding container main body C and a lid member L composed of a pair of half lids.

  The folding container body C has a frame-shaped upper frame 1, a bottom part 2, and a short side frame 1 a of the upper frame 1, the upper end of which is hinged to the side wall that is pivotable in the inner direction of the folding container body C. (Hereinafter, this side wall is referred to as a raised side wall.) 3 and an upper divided side wall 4 ′ and a lower divided side wall 4 ″ that are hinge-connected. The upper end of the upper divided side wall 4 ′ The lower divided side wall 4 ″ is hinged to the long side 2a of the bottom 2 and hinged to the long side frame 1b.

  The lid member L covered by the folding container main body C is composed of a pair of half-lid bodies 5, and the side portions of the half-lid body 5 are opposed to the long side frames of the upper frame 1 by an appropriate hinge member. It is hinged to 1b.

  In order to fold the main body C of the folding container assembled in the box shape shown in FIG. 1 or FIG. 2, first, the flip-up side wall 3 in a substantially vertical state is rotated upward in the inner direction of the folding container main body C. Then, the hinge part connecting the upper divided side wall 4 ′ and the lower divided side wall 4 ″ is moved inward to move the upper divided side wall 4 ′ and the lower divided side wall 4 ′. ”Are overlapped with each other, as shown in FIG. 3, it can be folded into a compact state with a low height. Further, the upper frame 1 is lifted upward with respect to the bottom portion 2 so that the upper divided side wall 4 ′ and the lower divided side wall 4 ″ that are overlapped with each other are substantially flush with each other, and then the substantially horizontal horizontal raised wall. The main body C of the folding container can be assembled into a box shape by rotating 3 downward to make it substantially vertical.

  Next, the half-lid body 5 constituting the lid member L will be described mainly with reference to FIGS. 4 and 5.

  The half lid 5 has a rectangular main body portion 5A and one long side portion 5a1 of the long side portions 5a1 opposed to the main body portion 5A, and is approximately half the length of the one long side portion 5a. A substantially rectangular flat plate-like mounting portion 5 'formed over the other, and the substantially rectangular flat plate-like mounting portion 5 "formed over the other half length of the one long side portion 5a. As is well known, the other long side portion 5a1 is formed with an appropriate hinge portion H1, and this hinge portion H1 is formed on the long side frame 1b of the upper frame 1. The half lid 5 is configured to be hinged to the long side frame 1b of the upper frame 1 by being connected to the formed hinge portion H2.

  The main body portion 5A has a rectangular plate-like portion 5b. The back surface of the plate-like portion 5b (when the folding container main body C is covered with the half-lid body 5, the inner side of the folding container main body C is provided. A peripheral wall 5c that is substantially perpendicular to the plate-like portion 5b is provided on the surface 5b1 along the periphery of the plate-like portion 5b. Further, the upper surface of the plate-like portion 5b surrounded by the peripheral wall 5c (the surface located on the outer side of the folding container body C when the folding container body C is covered with the half-lid body 5) 5b2 is recessed, By causing the back surface 5b2 side of the shaped portion 5b to bulge, the plate-like portion 5b is formed with a concave portion 5d having a flat bottom portion 5d1.

  One short side portion 5a2 of the short side portions 5a2 facing each other of the plate-like portion 5b substantially extends from the middle of the short side portion 5a2 to the long side portion 5a1 where the hinge portion H1 is not formed. A strip-shaped frame plate 5e is formed. The belt-like frame plate 5e is provided with a fitting through hole 5e1, and in the vicinity of the fitting through-hole 5e1 in the rear edge of the belt-like frame plate 5e along the short side portion 5a2 of the plate-like portion 5b. Engagement ridges 5e2 project from the rear surface edge portion. Further, the other short side portion 5a2 of the short side portions 5a2 opposed to the plate-like portion 5b extends from the middle of the short side portion 5a2 toward the long side portion 5a1 where the hinge portion H1 is not formed. A strip-shaped frame plate 5f extending to the tip of the placement portion 5 ′ is formed. The belt-like frame plate 5f is provided with a fitting through-hole 5f1 similar to the fitting through-hole 5e1 described above, and the rear edge of the belt-like frame plate 5f along the short side portion 5a2 of the plate-like portion 5b. Among them, an engagement protrusion 5f2 similar to the above-described engagement protrusion 5e2 protrudes from the back surface edge located in the vicinity of the fitting through hole 5f1.

  The mounted portion 5 ″ is connected to the lower end of the long wall portion 5c1 on the mounted portion 5 ″ side constituting the peripheral wall 5c of the main body portion 5A, and the tip thereof is substantially parallel to the long wall portion 5c1. In addition, the length in the short side direction of the placement portion 5 ″ (the length in the direction perpendicular to the long wall portion 5c1) is formed to be approximately half the length in the short side direction of the placement portion 5 ′. ing.

  The placement portion 5 ′ is formed by extending the plate-like portion 5b and the belt-like frame plate 5f of the main body portion 5A, and the side end of the placement portion 5 ′ and the side edge of the belt-like frame plate 5f are identical. In addition, a common linear side end 5g is formed.

  The placement portion 5 ′ and the placement portion 5 ″ extend to the placement portion side arc portion 5h1 and the placement portion 5 ″ side extending to the placement portion 5 ′ with the inflection point p1 interposed therebetween. The main body part 5A is arranged in parallel along the opposing long side part 5a1 across the sinusoidal boundary part 5h composed of the mounted part-side arc part 5h2, and the sinusoidal boundary part 5h Is formed with a sinusoidal boundary wall 5i. One end of the boundary wall 5i is connected to a linear long wall portion 5c1 on the placement portion 5 ″ side constituting the peripheral wall 5c of the main body portion 5A, and the other end of the boundary wall 5i is placed on the placement portion 5 ′. And the short wall portion 5j2 along the belt-like frame plate 5f of the placement portion 5 'is connected to the long wall portion 5j1. The short wall portion 5c2 constituting the peripheral wall 5c of the main body portion 5A is connected to be substantially flush with the boundary wall 5i, the long wall portion 5j1, the short wall portion 5j2, and the long wall portion 5c1 constituting the peripheral wall 5c of the main body portion 5A. Thus, the peripheral wall 5j of the placement portion 5 ′ is formed.

  The mounting portion 5 ′ located in the vicinity of the belt-like frame plate 5f is formed with a recess 5k adjacent to the short wall portion 5j2 along the belt-like frame plate 5f of the mounting portion 5 ′. Is formed with a bridging rib 5k2 that connects the upper ends of the opposing long wall portions 5k1 that are substantially parallel to the long wall portion 5c1 constituting the peripheral wall 5c of the main body portion 5A. In addition, a fitting hole 5j2 'communicated with the recess 5k is formed in the short wall 5j2 constituting the recess 5k. Furthermore, a slit 5k4 is formed along the long wall portion 5k1 in a portion of the bottom plate 5k3 that forms the recess portion 5k, located between the bridging rib 5k2 and the short wall portion 5j2.

  In FIG. 6, 6 is a lock member accommodated in the hollow part 5k formed in the mounting part 5 'described above, and the lock member 6 includes a substantially rectangular plate part 6a and a short side of the plate part 6a. A plate-like handle portion 6c protruding from the upper surface of the plate portion 6a along 6b, and a recess portion 5k formed on the back surface of the plate portion 6a and formed in the mounting portion 5 'described above. And a projection 6d that can be fitted into a slit 5k4 formed in the bottom plate 5k3.

  When the lock member 6 is housed in the recess 5k, the plate 6a of the lock member 6 is inserted into the gap formed by the bottom plate 5k3 and the bridging rib 5k2 of the recess 5k, and the protrusion 6d of the lock member 6 is inserted. Is inserted into a slit 5k4 formed in the bottom plate 5k3 of the recess 5k. Further, the arc-shaped short side 6b on the handle portion 6c side of the lock member 6 abuts or approaches the short side portion 5k5 facing the short wall portion 5j2 of the recess portion 5k formed in the placement portion 5 ′. When positioned, the tip 6e of the lock member 6 on the short wall portion 5j2 side is configured not to extend outward beyond the short wall portion 5j2. When the lock member 6 is moved so that the handle portion 6c comes into contact with the bridging rib 5k2, the tip 6e of the lock member 6 is inserted into the fitting hole 5j2 ′ formed in the short wall portion 5j2. It is configured to be inserted and extend outward beyond the short wall portion 5j2.

  On the back surface of the placement portion 5 ″, a long wall portion is provided along the long wall portion 5c1 on the placement portion 5 ″ side that constitutes the peripheral wall 5c of the main body portion 5A at the edge of the placement portion 5 ″. 5m is vertically provided, and on the back surface of the mounting portion 5 ′, by extending the long wall portion 5m, the short side portion 5k5 that forms the hollow portion 5k formed in the mounting portion 5 ′ is provided. A partition wall 5n that reaches the bottom of the mounting portion 5 ′ and a linear long wall portion 5j1 that constitutes the peripheral wall 5j of the mounting portion 5 ′ are: The long walls of the reinforcing ribs 5p are bridged by a plurality of reinforcing ribs 5p that are substantially perpendicular to the partition walls 5n and the long wall portions 5j1 and that do not extend downward beyond the partition walls 5n and the long wall portions 5j1. An inclined end 5p1 is formed at one end located on the side of the portion 5j1, and the tip of the inclined end 5p1 In addition, a notch recess 5p2 is formed in the substantially central portion of every other reinforcing rib 5p. The reinforcing rib 5p is formed, and the reinforcing rib 5p is located on the side of the short wall portion 5j2 constituting the peripheral wall 5j of the placement portion 5 ′, and one reinforcing rib 5p is placed from the reinforcing rib 5p. An example is shown in which a notch recess 5p2 is formed in the reinforcing rib 5p, and a notch recess 5n1 is formed at an appropriate location on the partition wall 5n as shown by a dotted line in FIG. It is preferable to do.

  On the upper surface of the placement portion 5 ″, a linear rib portion 5q1, and a curved rib portion 5q2 formed along the placement portion side arc portion 5h2 extending to the placement portion 5 ″ described above, The curved rib portion 5q2 and the placement portion side arc portion 5q2 are coupled to each other, and the end coupling rib 5q3 substantially parallel to the linear rib portion 5q1 and the end portion of the linear rib portion 5q1 on the belt-like frame plate 5e side. A fitting recess forming rib 5q is provided which is extended and includes an end rib 5q4 which is perpendicular to the linear rib portion 5q1, and the fitting recess forming rib 5q is a peripheral wall 5c of the main body 5A. Is formed so as to approach the long wall portion 5c1 on the side of the placement portion 5 "that constitutes the portion. Between the fitting recess forming rib 5q, the long wall portion 5c1, and the placement portion side arc portion 5h2. Is formed with a fitting recess 5r.

  A plurality of fitting ribs 5s are erected on the upper surface of the placement portion 5 ″ with a predetermined gap substantially parallel to the linear rib portion 5q1 of the fitting recess forming rib 5q. In this embodiment, there is shown an example in which two fitting ribs 5s are erected, and the fitting rib 5s and the fitting recess forming rib located on the belt-like frame plate 5e side are shown. The end rib 5q4 of 5q is preferably connected to the edge rib 5t for reinforcement, and is further connected to the sinusoidal boundary wall 5i formed along the sinusoidal boundary 5h of the half lid 5. Is formed with a notch recess 5i1.

  As shown in FIG. 2, the short side frame 1 a of the upper frame 1 includes a substantially horizontal upper surface portion 1 a 1, and an inner wall portion 1 a 2 that extends substantially vertically downward from the inner edge of the upper surface portion 1 a 1. A vertical cross section perpendicular to the longitudinal direction of the short side frame 1a is formed in a substantially U shape by the outer wall portion 1a3 extending downward substantially perpendicularly from the outer edge portion of the upper surface portion 1a1. The upper surface portion 1a1 of the opposed short side frame 1a is spaced from the fitting through-hole 5e1 or the half lid body 5 formed in one of the belt-like frame plates 5e of the half lid body 5 described above at a predetermined interval. A fitting protrusion 7 that can be fitted into a fitting through hole 5f1 formed in one of the belt-like frame plates 5f is provided. Further, through holes 8 into which the plate portions 6a constituting the lock member 6 described above can be inserted are formed in the inner side wall portions 1a2 constituting the opposing short side frames 1a of the upper frame 1, respectively. Further, by removing the corner formed by the upper surface portion 1a1 and the outer wall portion 1a3 located near the fitting projection 7 of the short side frame 1a of the upper frame 1 in an inclined shape, The engaging ridge 5e2 suspended from one belt-like frame plate 5e of the half lid 5 and the engaging ridge 5f2 suspended from the other belt-like frame plate 5f can be fitted to each other with an interval of A fitting recess 9 is formed. The fitting recess 9 has an inclined surface 9a inclined downward from the upper surface portion 1a1 of the short side frame 1a toward the outer wall portion 1a3. Furthermore, box-shaped convex portions 10 are respectively formed on the upper surface portion 1a1 located near the long-side frame 1b side of the opposed short-side frame 1a constituting the upper frame 1.

  As described above, by forming one strip-shaped frame plate 5e and the other strip-shaped frame plate 5f on the half lid 5, one short side portion 5a2 of one strip-shaped frame plate 5e and the plate-shaped portion 5b. And the other strip-shaped frame plate 5f and the other short side portion 5a2 of the plate-like portion 5b form the fitting corner portions 11, respectively.

  Next, a state where the pair of half-covers 5 having the above-described configuration is placed on the upper frame 1 will be described.

  When the pair of half-covers 5 are placed on the upper frame 1, the placement part 5 ′ of one half-lid 5 is mutually connected to the placement part 5 ″ of the other half-lid 5. Further, the mounting portion 5 'is configured by the boundary wall 5i, the long wall portion 5j1, the short wall portion 5j2, and the long wall portion 5c1 constituting the peripheral wall 5c of the main body portion 5A. Of the peripheral wall 5j, about half of the long wall portion 5j1 and the boundary wall 5i are formed between the fitting recess forming rib 5q of the placement portion 5 ″, the long wall portion 5c1, and the placement portion side arc portion 5h2. The fitting recess 5r is fitted, and the vicinity of the end connecting rib 5q3 of the fitting recess forming rib 5q is inserted into the notch recess 5i1 formed in the sinusoidal boundary wall 5i. It is configured. Further, the portion of the fitting rib 5s that protrudes from the upper surface of the placement portion 5 ″ that abuts against the reinforcing rib 5p that is suspended from the back surface of the placement portion 5 ′ of the half lid 5 is cut off. It is configured to be inserted into the notch recess 5p2 of the reinforcing rib 5p in which the notch recess 5p2 is formed, and a pair of fittings protruding from the upper surface 1a1 of the short side frame 1a of the upper frame 1. The mating projection 7 is fitted into a fitting through hole 5e1 drilled in one belt-like frame plate 5e of the half lid 5 and a fitting through-hole 5f1 drilled in the other belt-like frame plate 5f. Furthermore, the engaging protrusion 5e2 formed on one belt-like frame plate 5e of the half lid 5 and the engaging protrusion 5f2 formed on the other belt-like frame plate 5f are respectively The upper frame 1 is configured to be inserted into the fitting recess 9 formed at the corner of the short side frame 1a. In addition, when the pair of half-covers 5 are placed on the upper frame 1, the upper half 1 is formed on the upper surface portion 1 a 1 located near the long-side frame 1 b side of the opposed short-side frame 1 a constituting the upper frame 1. The box-shaped convex portion 10 has one short side portion 5a2 of one belt-like frame plate 5e of the half lid 5 and one short side portion 5a2 of the plate-like portion 5b and the other short portion of the other belt-like frame plate 5f and the plate-like portion 5b. It is comprised so that it may be fitted by the fitting corner part 11 formed of side part 5a2.

  When placing the pair of half-lid bodies 5 on the upper frame 1, as described above, the tip 6e of the plate portion 6a of the lock member 6 does not extend outward beyond the short wall portion 5j2. To do. Then, after placing the pair of half-lid bodies 5 on the upper frame 1, the tip 6e of the plate portion 6a of the lock member 6 is inserted into the fitting hole 5j2 ′ drilled in the short wall portion 5j2, The half lid body 5 and the upper frame 1 are locked via the lock member 6 by being inserted into the through hole 8 formed in the inner side wall portion 1 a 2 constituting the short side frame 1 a of the upper frame 1. It will be. In order to release the locked state of the half lid 5 and the upper frame 1 by the lock member 6, the lock member 6 is moved in the opposite direction to the above, and the tip 6 e of the plate portion 6 a of the lock member 6 is short. Retract from wall 5j2.

  As described above, the placement portion 5 ′ and the placement portion 5 ″ disposed along the long side portion 5a1 of the main body portion 5A are juxtaposed with the sinusoidal boundary portion 5h interposed therebetween, Since the edge part of the placement part 5 ′ of the half-lid 5 on the placement part 5 ″ side is formed in a sinusoidal shape, the folding container with the lid can be suitably used with the lid member 5 opened. When transporting by a simple transport means, even if the half-covers 5 of adjacent folding containers with lids come into contact with each other, the half-covers 5 do not catch each other. Can be prevented.

  The sinusoidal boundary wall 5i formed on the back surface of the mounting portion 5 ′ is formed with a notch recess 5i1, and an inclined end 5p1 is formed at one end of the reinforcing rib 5p. Therefore, the cleaning liquid or the like accumulated on the back surface of the mounting portion 5 ′ passes through the low rib of the inclined end 5p1 and is discharged from the cutout recess 5i1, so that the cleaning liquid or the like is stored on the back surface of the mounting portion 5 ′. This can be prevented. In addition, by forming the notch recess 5n1 in the partition wall 5n, even if cleaning liquid or the like is accumulated in the portion surrounded by the long wall portion 5c1 and the partition wall 5n, the cleaning liquid or the like passes through the notch recess 5n1, Since it discharges | emits from the notch recessed part 5i1, it can prevent more reliably that a washing | cleaning liquid etc. accumulate on the back surface of mounting part 5 '.

  Furthermore, the fitting recess forming rib 5q, the long wall portion 5c1, and the placement portion side arc portion 5h2 formed in the placement portion 5 ″ to form the fitting recess 5r are opened to the belt-like frame plate 5e side. Since the portion 5u is present, the cleaning seat or the like accumulated in the fitting recess 5r is discharged from the opening 5u, so that the cleaning liquid or the like is prevented from accumulating on the upper surface of the placement portion 5 ''. Can do. Furthermore, since a gap is formed between the fitting ribs 5s protruding from the upper surface of the placement portion 5 "or at the end thereof, a cleaning liquid or the like is formed on the upper surface of the placement portion 5". Can be prevented from accumulating.

  Furthermore, when the folding container main body C is assembled in a box shape, the pair of fitting projections 7 projecting from the upper surface portion 1a1 of the short side frame 1a of the upper frame 1 are provided on the half lid body 5. Since it is configured to be fitted into the fitting through-hole 5e1 drilled in one strip-shaped frame plate 5e and the fitting through-hole 5f1 drilled in the other strip-shaped frame plate 5f, the half lid 5 can prevent the horizontal movement of the folding container body C, and can prevent the folding container body C from being deformed when a load such as a twisting load is applied to the folding container body C. The strength and rigidity of the lidded folding container covered with the half lid 5 can be increased.

  Still further, the engaging ridge 5e2 formed on one belt-like frame plate 5e of the half lid 5 and the engaging ridge 5f2 formed on the other belt-like frame plate 5f are respectively short sides of the upper frame 1. Since it is comprised so that it may be inserted in the fitting recessed part 9 formed in the corner | angular part of the frame 1a, it can prevent reliably that the half cover body 5 shifts | deviates to a horizontal direction.

  Further, the fitting recess 9 formed at the corner of the short side frame 1a of the upper frame 1 is formed by changing the corner formed by the upper surface portion 1a1 and the outer wall portion 1a3 of the short side frame 1a of the upper frame 1 to the upper surface. Since it is formed as an inclined surface 9a inclined downward from the portion 1a1 toward the outer wall portion 1a3, when the half lid 5 is covered on the upper frame 1, one belt-like frame of the half lid 5 Since the engagement protrusion 5e2 formed on the plate 5e and the engagement protrusion 5f2 formed on the other belt-like frame plate 5f are brought into contact with and guided by the inclined surface 9a, the half lid 5 can be easily moved. And it can mount on the upper frame 1 reliably.

  Still further, the box-shaped convex portion 10 protruding from the upper surface portion 1a1 located near the long side frame 1b side of the short side frame 1a constituting the upper frame 1 constitutes the half lid body 5, The belt-like frame plate 5e and one short side portion 5a2 of the plate-like portion 5b, and the other corner-like frame plate 5f and the other short side portion 5a2 of the plate-like portion 5b are fitted to the fitting corner portion 11. Since it is comprised so that it may be combined, it can prevent more reliably that the half cover body 5 shifts | deviates to a horizontal direction, and said fitting mechanism is the hinge of the upper frame 1 and the half cover body 5 Since it is formed in the vicinity of the connecting portion, the horizontal displacement of the half lid 5 is prevented by the fitting mechanism described above, and therefore the hinge connecting portion of the upper frame 1 and the half lid 5 is damaged. Can be prevented.

FIG. 1 is a perspective view of a folding container according to the present invention assembled in a box shape and covered with a lid. FIG. 2 is a perspective view showing a state in which the folding container of the present invention is assembled in a box shape and the lid is opened. FIG. 3 is a perspective view of a state in which the folding container of the present invention is folded. FIG. 4 is a perspective view from above of the half-lid body constituting the lid member of the folding container of the present invention. FIG. 5 is a perspective view from the back side of the half-lid body constituting the lid member of the folding container of the present invention. FIG. 6 is a perspective view of a lock member and the like disposed on the half lid of the lid member constituting the folding container of the present invention.

Explanation of symbols

C ... Folding container body
L: Lid member
1 ... Upper frame
2 ... Bottom
3 ... Splashed side wall
4 ・ ・ ・ ・ ・ ・ ・ ・ Side wall
4 '····· Upper divided side wall
4 "・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Lower split side wall
5 ... half lid
5 '・ ・ ・ ・ ・ ・ ・ Placement
5 ”・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Mounted part
5i ... Boundary wall
6 ... Lock member
7 ・ ・ ・ ・ ・ ・ ・ ・ Fitting protrusion

Claims (2)

  The upper frame and the bottom are composed of a folding container body composed of a raised side wall, an upper divided side wall, and a lower divided side wall, and a lid member having a pair of half lids hinged to the opposing frame portions of the upper frame. The folding container is characterized in that the placing portion and the placing portion of the half lid body are juxtaposed with each other through a sinusoidal boundary wall.   2. A passage through which cleaning liquid or the like is discharged is formed in the rib portion formed on the back surface of the placement portion and the rib portion formed on the top surface of the placement portion. Folding container.

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