JP4529821B2 - Locking structure and partition plate using the locking structure - Google Patents

Description

  The present invention relates to a locking structure for locking a thin plate-like article such as a CD case and a partition plate using the locking structure.

  2. Description of the Related Art Conventionally, as a means for forming a partition for aligning a plurality of articles, an article storage unit and a partition are integrally molded, such as a plastic molded product. However, in order to obtain a plastic molded product, it is expensive because it requires a mold and a molding machine, and due to the recent trend of waste reduction and recycling, etc., locking using paper such as cardboard sheets as a material There is a demand for a structure and a partition plate using the locking structure (see, for example, Patent Document 1 and Patent Document 2).

The said prior art document is shown.
Japanese Utility Model Publication No. 51-51980. Japanese Utility Model Publication No. 2-63336.

  However, in the former device, when the partition is assembled, the back side comes out on the front side and the result is not beautiful. Easy to unlock. In the latter device, the partition piece (102) may come off from the sheet (101) in some cases. (See FIGS. 6 and 7).

  The present invention has been made in view of the above-described problems related to a locking structure made of a sheet-like material such as paper and a partition plate using the locking structure, and can be reliably locked and has a strength. It is an object of the present invention to provide a thin plate-like article locking structure having good appearance and a partition plate using the locking structure.

  According to the first aspect of the present invention, a U-shaped first cut line is provided in the sheet-like material, and the first cut line is spaced outside the first cut line by a distance of substantially the same width. Two cut lines are provided in a convex shape, and an insertion piece sandwiched between the first cut line and the second cut line is formed, and a cut start point and a cut end point of the first cut line and the second cut line Is arranged on the same line parallel to the convex portion of the convex second cut line, and the cut start point of the first cut line and the cut start point of the second cut line are valley fold lines The cut end point of the first cut line and the cut end point of the second cut line are connected by a valley fold line, and the convex start point and the convex end point of the convex part of the convex second cut line are connected. Is connected by a valley fold line, An insertion hole into which the width direction of the convex portion can be inserted is formed in the portion that is laid, and a mountain fold line that substantially bisects a rising portion of the insertion piece is a valley fold line at a substantially central portion of the insertion piece. It is a locking structure characterized by being provided in parallel.

As described above, according to the first aspect of the present invention, the U-shaped first cut line is provided in the sheet-like material, and the interval between the first cut line and the substantially same width is provided outside the first cut line. A second cut line is provided in a convex shape, and an insertion piece sandwiched between the first cut line and the second cut line is formed, and the first cut line and the cut start point of the second cut line The incision end point is arranged so as to be located on the same line parallel to the convex portion of the convex second incision line, and the incision start point of the first incision line and the incision start point of the second incision line are Connected by a valley fold line, the cut end point of the first cut line and the cut end point of the second cut line are connected by a valley fold line, and the convex start point of the convex part of the convex second cut line And the convex end point are connected by a valley fold line. An insertion hole into which the width direction of the convex portion can be inserted is formed in a portion surrounded by three sides of the piece, and a mountain fold line that substantially bisects a rising portion of the insertion piece is formed at a substantially central portion of the insertion piece. Is provided in parallel with the valley fold line, so that the insertion piece sandwiched between the first cut line and the second cut line is raised from the sheet-like material along the first cut line and the second cut line, A mountain-shaped locking structure is obtained by folding the insertion piece along a mountain fold line and inserting the convex portion into the insertion hole. Since the convex portion is valley-folded, the incision start point and the incision end point of the incision line become fixed ends of the insertion piece, and the insertion piece is firmly fixed to the insertion hole.

  The invention according to claim 2 is a partition plate in which a plurality of the locking structures according to claim 1 are arranged on a single sheet material according to a certain rule.

  As described above, according to the invention described in claim 2, since the plurality of the locking structures described in claim 1 are arranged on a single sheet material according to a certain rule to form a partition plate, it is relatively thin, for example, CD A partition plate for packaging a plurality of articles such as cases and desk calendars.

  The invention according to claim 3 is a partition plate, wherein the locking structure according to claim 1 is arranged in a line in the longitudinal direction on one sheet material.

  Thus, according to the invention described in claim 3, since the locking structure described in claim 1 is arranged in a line in the longitudinal direction on one sheet material, functional storage is possible.

  The invention according to claim 4 is characterized in that the locking structure according to claim 1 is arranged at equal intervals so as to face each other so that the insertion pieces face each other in four places of one sheet material. It is a partition plate.

  Thus, according to the invention described in claim 4, the locking structure described in claim 1 is arranged at equal intervals so as to oppose each other so that the insertion pieces face each other at four locations of one sheet material. Therefore, the four places of the stored items are firmly fixed.

  As described above, the locking structure of the present invention is easy to assemble and securely fixed to a thin storage item such as a CD case, a desk calendar, soap, and confectionery. Furthermore, the area used can be reduced. There is an effect. It is also possible to lay out the stored items at an angle and partition them.

The locking structure of the present invention will be described in detail below based on one embodiment.
In the locking structure of the present invention, for example, as shown in FIG. 1, a U-shaped first cut line (a) is provided in the sheet-like material (10), and the first cut line (a) A second cut line (b) is provided on the outer side with a substantially equal width from the first cut line, and is sandwiched between the first cut line (a) and the second cut line (b). An insertion piece (11) is formed.

The cut start points (A, C) and the cut end points (B, D) of the first cut line (a) and the second cut line (b) are respectively convex portions of the convex second cut line. It arrange | positions so that it may be located on the same line parallel to (12).

  Further, the cut start point (A) of the first cut line and the cut start point (C) of the second cut line are connected by a valley fold line (c), and the cut end point (B) of the first cut line. And the cut end point (D) of the second cut line are connected by a valley fold line (d).

  The convex start point (E) and convex end point (F) of the convex part of the convex second cut line (b) are connected by a valley fold line (e).

  An insertion hole (13) into which the width direction of the convex portion (12) can be inserted is formed in a portion surrounded on three sides by the insertion piece (11).

  A mountain fold line (f, f) that substantially bisects a rising portion of the insertion piece is provided in a substantially central portion of the insertion piece (11) in parallel with the valley fold line (c, d).

  As the sheet material (10), in addition to paper materials such as paperboard and cardboard sheets, hard plastic materials such as vinyl chloride, polystyrene and polyethylene terephthalate can be used.

Next, a method for assembling the locking structure (1) having such a configuration will be described.
First, the insertion piece (11) formed by the first cut line (a) and the second cut line (b) is valley-folded along the valley fold lines (c, d) and raised from the sheet-like material (10). . A substantially U-shaped space (14) is formed in the sheet-like material.

  Furthermore, it folds along a mountain fold line (f, f), and the convex portion (12) is valley-folded along a valley fold line (e) and simultaneously inserted into the insertion hole (13) and locked. As a result, the insertion piece (11) is raised and fixed from the sheet-like material.

  The locking structure (1) having such a structure is inserted into the insertion hole (13) because the insertion piece (11) tends to spread by the repulsive force of the sheet-like material (10) itself at the mountain-folded portion. There is very little possibility that the convex part (12) will come off from the insertion hole (13), and the thin plate-like article accommodated between the insertion pieces is firmly fixed between the insertion pieces (11) and may move. There are few, and the function as a partition plate is fully exhibited.

  FIG. 3 shows an example of a configuration in which a plurality of locking structures of the present invention are arranged in a row at an appropriate interval to form a partition plate. FIG. 4 shows four locking structures of the present invention so that the insertion pieces face each other. It is an example of the structure which set it as the partition plate arrange | positioning at equal intervals facing each other. Thus, it can arrange | position to one sheet-like material arbitrarily according to the shape of a stored item, and can be used as a partition plate.

It is plane explanatory drawing which shows one Example of the latching structure of this invention. It is a perspective explanatory view which shows the state which assembled FIG. FIG. 3 is a cross-sectional explanatory view taken along line X-X ′ in FIG. 2. It is plane explanatory drawing which shows one Example of the structure which put the latching structure of this invention into the sheet | seat-like material in multiple rows in a line, and was used as the partition plate. It is plane explanatory drawing which shows one Example of the structure which has arrange | positioned four locking structures of this invention so as to oppose each other so that an insertion piece may mutually face, and was used as the partition plate. It is plane explanatory drawing which shows an example of the conventional latching structure. It is perspective explanatory drawing which shows an example of the conventional latching structure.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Locking structure 2 ... Partition plate 3 ... Partition plate 10 ... Sheet-like material 11 ... Insertion piece 12 ... Convex part 13 ... Insertion hole 14 ... Space part 101 ... Sheet-like article 102 ... Bulkhead piece a ... First cut line b ... Second cut line c ... Valley fold line d ... Valley fold line e ... Valley fold line f ... Mountain fold line A ... Cut of the first cut line Start point B ... Cut end point of the first cut line C ... Cut start point of the second cut line D ... Cut end point of the second cut line E ... Convex start point of the second cut line F ... Convex end point of two score lines

Claims (4)

A U-shaped first cut line is provided in the sheet-like material, and a second cut line is provided in a convex shape outside the first cut line at a distance of approximately the same width from the first cut line. , An insertion piece sandwiched between the first cut line and the second cut line is formed,
The cut start point and cut end point of the first cut line and the second cut line are arranged so as to be located on the same line parallel to the convex portion of the convex second cut line,
The cut start point of the first cut line and the cut start point of the second cut line are connected by a valley fold line, and the cut end point of the first cut line and the cut end point of the second cut line are valley fold lines. Concatenated with
The convex start point and convex end point of the convex portion of the convex second cut line are connected by a valley fold line,
An insertion hole into which the width direction of the convex portion can be inserted is drilled in a portion surrounded by the first cut line and the second cut line,
The locking structure according to claim 1, wherein a mountain fold line that substantially bisects a rising portion of the insertion piece is provided in a substantially central portion of the insertion piece in parallel with the valley fold line.   A partition plate in which a plurality of the locking structures according to claim 1 are arranged on a single sheet-like material according to a certain rule.   3. The partition plate according to claim 2, wherein the locking structure according to claim 1 is arranged in a line in a longitudinal direction on one sheet-like material.   3. The partition according to claim 2, wherein the locking structure according to claim 1 is arranged at equal intervals so as to oppose each other so that the insertion pieces face each other at four locations of one sheet-like material. Board.

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