JPH0437070Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] The invention is based on punching out a substantially rectangular base material such as cardboard using a Thomson cutting machine, etc., so as to avoid wasting most of the material, and then cutting the material through a fold line. By sequentially bending the box, it is extremely easy to form two connected boxes with a strong structure, and these boxes can be divided into compartments using partition pieces that are cut from the base material. year,
Furthermore, the present invention relates to a sectional container having a feature that the connected boxes can be easily separated and used conveniently when necessary.

[Prior Art] Various types of assembling containers in which two connected boxes can be separated have been known in the past. A bottom surface and an outer wall are sequentially connected to the outer corner of the box from the inner wall opposite to the center of the base material to the outer side, and polymeric pieces are extended to both ends of the inner and outer walls, respectively. A structure in which the box body is assembled by connecting the front and rear end walls and the inner end wall, and further providing an inclined cut line on the inner end wall to form a connecting piece that spans the front and rear end walls and the outer wall. It is said that

[Problems to be solved by the invention] However, although the assembly-type container described in the above-mentioned publication is easy to assemble as a whole, it is particularly difficult to assemble the outer corner of each box by straddling the upper surface of the outer corner with a connecting piece. Because of this, detailed work is required to assemble this part. Furthermore, although the upper surface of the corner is reinforced by the adhesive piece, the vertical wall surface is not sufficiently reinforced, so that when containers containing articles are stacked in multiple tiers, they may sag, or they may be hung with strings. There are still problems with the stability of the shape, as it is said that it easily deforms when tied up.

Therefore, the object of the present invention is to solve the problems still remaining with the assembly type container described in the above-mentioned publication, to provide an extremely robust container that is easy to assemble, and in which the outer corners of each box are reinforced with a multi-walled structure. It is about providing something.

[Means for solving the problem] The assembly type container of the present invention connects the tops of each inner wall by providing a cut line and a perforation line in the center of the base material, and forms a symmetrical connection of the box bodies. In a prefabricated container, overlapping pieces are provided at both ends of each inner wall via a fold line, and the front and rear ends of each outer wall are provided at the outer edge of the bottom surface opposite each inner wall via a vertical fold line. The outer overlapping piece and the inner overlapping piece are connected to each other through a fold line, and the front and rear end walls are extended through a horizontal fold line on the bottom surface, and a fold line is provided at the tip of each end wall to form a flange edge and an inner overlapping piece. an inner end wall is formed, each of the inner and outer walls is erected and each overlapping piece is bent inward, and further, with the front and rear end walls erected, the outer overlapping piece and the inner overlapping piece are respectively bent to perform inner polymerization. Insert the piece through the insertion hole drilled in the front and rear end walls, fold it inside the front and rear end walls, and lock the tongue piece protruding from the tip of the inner overlapping piece in the locking groove provided on the outer wall, Furthermore, each of the inner end walls is bent inward to wrap around the overlapping piece and the inner overlapping piece, and a tongue piece protruding from the tip of each inner end wall is locked in a locking groove provided on the bottom surface. Each box body is assembled into a box body, and each box body is configured such that partition pieces cut from the base material are orthogonally inserted into cut grooves provided in each of the inner walls stacked on top of each other to further partition each box body. ing.

[Function] In each box assembled as described above, the end wall side of each outer corner is overlapped with the outer surface of the upright end wall by the outer overlapping piece extending from the tip of the outer wall, and The inner polymer piece connected to the tip of the polymer piece is superimposed on the inner surface of the end wall through the insertion hole drilled in the end wall, and the inner end wall is connected to the tip of the end wall so as to wrap around the inner polymer piece. The quadruple wall structure is formed by overlapping the inner end wall and the inner overlapping piece, and the tongue pieces protruding from the tips of the inner end wall and the inner overlapping piece are locked into the locking grooves provided on the bottom surface and the outer wall, thereby forming the quadruple wall structure. The structures are fixed close together and upright, providing robustness and stability of form.

[Example] An example of the present invention will be described below based on the drawings. In the figure, reference numeral 1 denotes a rectangular base material made of cardboard or the like, which is formed by connecting box bodies 3, 3 symmetrically to the left and right of a longitudinal center line 2.
That is, 4, 4 is a bottom surface surrounded by a vertical fold line 5 and a horizontal fold line 6, respectively, and an inner wall 7 and an outer wall 8 are provided in contact with each vertical fold line 5. The tips of each of the inner walls 7 are easily separated and connected via perforations 10, 10 provided at both ends of the cut line 9 aligned with the center line 2 of the base material 1, and furthermore, a partition piece 11 is attached at the center position.
A partition groove 12 is provided perpendicularly to the cut line 9 for insertion. Furthermore, overlapping pieces 14 are formed at the front and rear ends of each inner wall 7 via fold lines 13, respectively. on the other hand,
A front and rear end wall 16 is formed through a fold line 15 parallel to each horizontal fold line 6 and at a position approximately the same length as the inner and outer walls 7 and 8, and a fold line 1 is formed close to and parallel to the fold line 15.
7 is provided to connect the flange 18 and the front and rear inner end walls 19. At the center of the tip of each of these inner end walls 19, a tongue piece 21 is protrudingly provided along the horizontal fold line 6 to be locked in a locking groove 20 formed in the bottom surface 4.

An outer overlapping piece 23 is provided at the front and rear ends of each of the outer walls 8 so as to extend along a fold line 22 on the same line as the horizontal fold line 6,
Further, two folding lines 24 and 25 are provided at the tip of the outer overlapping piece 23 in parallel to the folding line 22 and with an interval corresponding to the thickness of the base material 1, and the length is the same as that of the outer overlapping piece 23. The inner overlapping piece 26 is arranged in a row, and the tongue piece 2 is further provided at the center of the tip of the inner overlapping piece 26.
7 protrudes from the outside wall 8 along the fold line 22.
A locking groove 28 is bored in the. The outer overlapping piece 23 is provided with a notch 29 of a constant width along the lower end, and the inner overlapping piece 26 is provided with a notch 30 of a constant width along the upper end starting from the fold line 24. Each of the front and rear end walls 16 is provided with an insertion hole 31 into which the inner overlapping piece 26 is inserted at a position corresponding to the length of the outer overlapping piece 23 from the outer end thereof. Moreover, the partition piece 11,
11 are the tip and inner end walls 19, 19 of the overlapping piece 14, respectively.
A cut groove 32 that is formed by cutting out a space between the
has been established.

Next, to explain the assembly of the assembly type container of the present invention, as shown in FIG.
11, fold it along the center line 2 and the vertical fold lines 5, 5, and attach the inner walls 7, 7 as shown in FIG.
Stand up so that they are stacked on top of each other. Next, in order to assemble the left side box body 3, the horizontal fold line 6 is bent to raise the rear end wall 16, and then the outer vertical fold line 5 is bent.
22 to make the outer wall 8 stand up.
and 24 inward in order and inserting the inner overlapping piece 26 into the insertion hole 31. Next, this inner overlapping piece 26 was bent along the fold line 25, and a tongue piece 27 protruding from the tip was provided on the outer wall 8. It is locked in the locking groove 28. Then, bend the overlapping piece 14 along the fold line 13, then bend the rear inner end wall 16 along the fold lines 15 and 17, and lock the tongue piece 21 protruding from the tip into the locking groove 20 provided on the bottom surface 4. This completes the assembly of the rear left box body, and then the above procedure is repeated for the front left box body, thereby completing the assembly of the front box body and the left box body 3. The assembly of the box body 3 on the right side was completed in exactly the same manner, and as shown in FIG. By inserting the cut grooves 32 of the pieces 11, 11, the housing parts 3, 3 are formed which are divided into four sections as shown in FIG. By sandwiching the inner walls 7, 7 with the cut grooves 32,
By closely overlapping and fixing, the left and right boxes 3, 3 continue to maintain a fixed connected state.

In the assembly-type container of the present invention assembled in this way, the outer corners of each of the boxes 3, 3 are as shown in FIG. It has a four-walled structure and is strongly reinforced. Moreover, these tongue pieces 21 and 2 protrude from the tips of the inner end wall 19 and the inner overlapping piece 26.
7 are locked in the locking grooves 20 and 28, respectively, so that they are fixed in a vertical position, and the flange 18 appears horizontally on the top surface, so even if items containing items are stacked in multiple tiers, they will not sag under the load. In addition, even when tied up with a string, it does not deform and has excellent shape stability and robustness. Further, the left and right boxes 3, 3 are divided into sections by partition pieces 11, 11, so that articles can be stored in an orderly manner, and moreover, they are easy to take out and are convenient to use.

When products etc. are stored in each storage section 33 and it becomes necessary to separate one of the box bodies 3, the seventh It can be divided into units as shown in the figure.

[Effects of the invention] As described above, the assembly type container of the invention is produced by punching out a substantially rectangular base material so as to use almost no waste, and folding it sequentially along the fold lines. It can be assembled into two connected boxes, and the outer corner of each box is connected to an outer overlapping piece extending from the outside to the outer wall, the front and rear end walls, and the tip of the outer overlapping piece. The inner overlapping piece inserted through the insertion hole provided in the end wall and the front and rear inner end walls closely overlap each other to form a quadruple wall structure, so it is strongly reinforced and is extremely robust.
The tongue pieces protruding from the tips of the inner end wall and the inner overlapping piece are locked in the locking grooves, and the quadruple wall is firmly fixed in a vertical position by the flange formed on the top surface, resulting in a stable shape. It is well-maintained, does not buckle under load even when stored items are stacked in multiple tiers, and does not deform when tied up with strings, and can withstand external shocks to keep stored items safe. Can be protected. Furthermore, the interior of each box is divided into sections by partition pieces formed by cutting from the base material, so that articles can be stored in an orderly manner.

The two connected boxes can be easily separated and used conveniently as needed.

[Brief explanation of the drawing]

The figures relate to one embodiment of the present invention, and Fig. 1 is an exploded view, Figs. 2 to 5 are perspective views of the assembled state, Fig. 6 is a perspective view of the assembled state, and Fig. 7 is an exploded view. A perspective view of the box body shown in Fig. 8 is A- of Fig. 6.
It is an A-line sectional view. 1... Base material, 2... Center line, 3, 3... Box body,
4, 4... Bottom surface, 5, 6... Broken line, 7... Inner wall, 8... Outer wall, 9... Cut line, 10, 10...
...perforation line, 11,11...partition piece, 12...
Cut groove, 13... broken line, 14... polymerized piece, 15...
...Fold line, 16...Front and rear end walls, 17...Fold line, 18
... Flange edge, 19 ... Inner end wall, 20 ... Locking groove, 2
1...Tongue piece, 22...Fold line, 23...Outer polymer piece, 24, 25...Fold line, 26...Inner polymer piece,
27... tongue piece, 28... locking groove, 31... insertion hole, 32... cut groove.

Claims (1)

[Scope of utility model registration request] In a prefabricated container in which a cut line and a perforation line are provided in the center of the base material to connect the tops of each inner wall to form a symmetrically connected box, a fold line is provided at both ends of each inner wall. An overlapping piece is extended by extending the overlapping piece, and an outside overlapping piece and an inside overlapping piece are connected to each other through the bending line at both the front and rear ends of each outer wall, which is provided at the outer end of the bottom face facing each inner wall through a vertical broken line. On the other hand, the front and rear end walls are extended through the horizontal fold line of the bottom surface, and a fold line is provided at the tip of each end wall to form a flange edge and an inner end wall, and each of the inner and outer walls is made to stand up. Bend the overlapping piece inward, and with the front and rear end walls standing up, bend the outer overlapping piece and the inner overlapping piece, respectively, and insert the inner overlapping piece through the insertion hole bored in the front and rear end walls. A tongue piece protruding from the tip of the inner overlapping piece that is folded inside the end wall is locked in a locking groove provided on the outer wall, and each of the inner end walls is further folded inward to separate the overlapping piece and The inner overlapping pieces are wrapped around each other, and the tongue pieces protruding from the tips of the inner end walls are locked into the locking grooves provided on the bottom surface to assemble the box, and each box is assembled into a box with each of the inner sides stacked on top of each other. An assembly type container configured to further partition each box by orthogonally fitting partition pieces cut from a base material into cut grooves provided in a wall.