JPS627548Y2 - - Google Patents

Description

[Detailed Description of the Invention] This invention relates to an assembly-type paper box that has a paper box body, an outer lid, and an inner lid that protects stored items in a transparent state during display or the like.

Conventional paper boxes of this type are constructed such that the paper box body, outer lid, and inner lid are stored and shipped separately, and are assembled when used. For this reason, it is necessary to accurately classify the three types mentioned above, which is troublesome to manage and handle, and if one of them is lost, the box becomes useless. Also, during use, there is a drawback that the combination and assembly of the three components described above is troublesome.

In view of the above-mentioned drawbacks, this idea was developed by attaching the paper box body, outer lid, and inner lid together in advance, so that these three parts can be stored in a flat, folded state. As a result, it is not bulky or loses the inner lid, etc., and it is easy to assemble when in use, and the assembly can be firmly maintained in the assembled state. It provides paper boxes.

That is, this invention is an assembly-type paper box consisting of a paper box body, an outer lid, and an inner lid, in which the paper box body has a bottom and four side walls around the bottom, and two opposing side walls are connected to the bottom of the main body. The extended member is folded back inward to form a double wall having an outer wall and an inner wall, and an outer cover and an inner cover are respectively connected to the other two opposing side walls. The outer cover is composed of a main outer cover part and a reinforcing plate fixed to the back side of the main outer cover part, and the base end of the reinforcing plate has an extending piece corresponding to the side wall to which the outer cover is connected. are connected to each other, and an extension piece for closing is connected to the tip of the inner lid, and both left and right ends of the outer wall of the double wall and left and right ends of the other two opposing side walls are connected to each other. A connecting piece is connected between each part, and a diagonal fold is formed on this connecting piece for folding inward, and the outer cover is folded so as to overlap with the inner surface of the side wall to which it is connected. The paper box is constructed by inserting the outer cover extension piece and the inner cover extension piece between the connecting piece and the side end of the double wall, respectively. be.

Embodiments of this invention will be described below with reference to the drawings.

In FIG. 1, 1 is a paper box main body formed into a rectangular box shape in an assembled state, 2 is an outer lid, and 3 is an inner lid. The paper box main body 1 has a rectangular bottom 10, side walls 4, 4, 5a, 5b around the four sides thereof, and connecting pieces 6a, 6a, 6 formed between the left and right ends of each side wall 4.
b, 6b. The two short side walls 4, 4 (hereinafter referred to as double walls) are each configured as a double wall having an outer wall 45 and an inner wall 47,
An outer cover 2 and an inner cover 3 are connected to two opposing long side walls 5a and 5b (hereinafter simply referred to as side walls), respectively. A side wall 5 is provided at the base end of the outer cover 2.
The extending piece 26 corresponding to a is connected, and the inner lid 2
An extending piece 32 for closing is connected to the distal end.

In the molding process, first, the structural members A and B in the developed shape as shown in FIG. 2 are created by punching out a cardboard material. That is, component A
The bottom part 10 of the paper box main body 1 and the double wall 4 connected to the bottom part 10 of the paper box main body 1 through folds 41, 41 on both sides of the short side of the bottom part 10,
4, and side walls 5a, 5b connected to each other through folds 51, 52 on both sides of the long side, and side walls 5a, 5b connected to this side wall 5b through a fold 53. and an inner lid 3. The extending member 40 is sequentially divided into an outer wall 45, a top piece 46, an inner wall 47, and a bottom piece 48 via folds 42, 43, and 44. In addition, the double wall outer wall 4
Approximately square connecting pieces 6a, 6a, 6b, 6b are formed via folds 61 between the left and right ends of the side walls 5 and 45 and the right and left ends of the side walls 5a and 5b. The connecting pieces 6a..., 6b are formed with diagonal folds 62 for folding inward.

The inner lid 3 includes an inner lid main portion 30 and a closing extension piece 32 connected to the tip of the inner lid main portion 30 via a fold 31.
and reinforcing extension pieces 34, 34 connected to both ends through folds 33, 33, and the inner lid main part 30 has a rectangular window hole 35 for seeing through the contents.
is formed. Note that the shape of the window hole 35 is not limited to a rectangle, but can be modified in various ways such as a rhombus or an ellipse, and a window hole divided into a plurality of pieces may be provided. Furthermore, if necessary, the window hole 35 may be covered with a transparent sheet such as cellophane to protect the stored items.

The component B also includes an outer lid main portion 20 forming the outer lid 2, and a reinforcing plate 23 and a connecting plate 24 that are connected to the outer lid main portion 20 via folds 21 and 22, An extension piece 26 is connected to the reinforcing plate 23 via a fold 25. This extending piece 26 is formed in a size corresponding to the side wall 5a to which the outer lid 2 is attached, and a locking piece 28 is connected to the tip of the extending piece 26 via a fold 27.

In the above configuration, the outer wall 45, the upper piece 46, and the inner wall 47 of the extending member 40 of the component A are folded inward at the folds 41, 42, and 43, and the bottom piece 48 is folded at the fold 44. The double wall 4 having a rectangular frame shape in cross section is formed by folding it back in the opposite direction and attaching the bottom piece 48 at the folded end to the bottom 10 of the main body with an adhesive. And side wall 5
a, 5b at the folds 51, 52 to stand up, and connect the connecting pieces 6a...6b to the side walls 5a, 5.
Give them a bending habit by folding them so that they overlap the inner surface of b. In addition, after applying adhesive to the reinforcing extension pieces 34, 34 of the inner lid 3,
3 and 33, the extending pieces 34 and 34 are attached to both ends of the back surface of the inner lid main portion 30, and the closing extending piece 32 is bent and erected at the fold line 31.

Further, the reinforcing plate 23 of the component B is folded back at the fold line 21 and attached to the back surface of the outer lid main part 20, and the connecting plate 24 is folded at the fold line 22 to attach it to the side wall 5.
The paper box main body 1 and the outer lid 2 are connected by pasting it on the outer or inner surface of the paper box body 1 and the outer lid 2.

In this way, a paper box as shown in FIG. 1 is formed. Note that the triangular halves of the connecting pieces 6a...6b on the side walls 5a, 5b side from the folds 62 may be attached to the side walls 5a, 5b, respectively, with an adhesive.

This paper box is folded as shown in FIG. 3 before use. That is, the double walls 4, 4 and the connecting pieces 6a...6b are folded onto the main body bottom 10 and the side walls 5a, 5b at the folds 41, 41, 61...,
The inner cover 3 and outer cover 2 are folded back at the fold lines 53 and 22 and stacked on top of this. If the entire paper box is stored flattened in this way, it will not become bulky even if many paper boxes are stacked, and the paper box body 1
Since the outer lid 2 and the inner lid 3 do not separate, there is no risk of losing one of them, making storage and transportation extremely convenient.

Next, to assemble this paper box, with the outer lid 2 and the inner lid 3 unfolded, push the side walls 5a and 5b from both sides to stand them up, and then fold the connecting pieces 6a...6b inward. At the same time, the double walls 4, 4 are erected. That is, each connecting piece 6a
... 6b and the double walls 4, 4 are bent in advance as described above, so the entire paper box changes to the assembled state by operating the side walls 5a, 5b.

Then, as shown in FIG. 4, the outer lid reinforcing plate 23
Left and right end portions 29, 2 of the extension piece 26 connected to the
9 is inserted and locked between the connecting piece 6a folded so as to overlap the side wall 5a and the side end 49 of the inner wall 47 of the double wall 4, and the side end of the locking piece 28 and By bringing the side ends of the bottom piece 48 of the double wall 4 into contact with each other and locking them, the side wall 5a is held in an upright state. In this case, as shown in the figure, the side end 49 of the inner wall 47 of the double wall 4 is recessed in an arc shape, and the side end 29 of the extending piece 26 of the outer cover 2 is bulged out in an arc shape. shape, the extending piece 26 is connected to the connecting piece 6.
a and the side end 49 of the double wall 4. In this way, with the connecting piece 6a sandwiched between the side wall 5a and the extending piece 26, the double wall 4
By making the locking piece 28 and the bottom piece 48 come into contact with each other and locking the side wall 5a, the side wall 5a can be held in an upright state.
Items can be stored in line in the paper box body 1 using the inner surface of the side wall 5a as a reference surface. Note that the locking piece 28 may be omitted and the side wall 5a may be held in the upright state only by the extending piece 26, or the double wall bottom piece 4 may be used as shown in FIG.
A locking piece 2 is provided between the side end of the 8' and the bottom part 10 of the main body.
It is also possible to insert and lock the side end of 8'.

Next, by inserting the extending piece 32 of the inner cover 3 between the outer cover extending piece 26 and the side end 49 of the double wall 4 and closing the inner cover 3, the side wall 5b is maintained in an upright state. As a result, a paper box in an assembled state as shown in FIGS. 6 and 7 is obtained. Then, the outer cover 2 is placed on top of the inner cover 3 and closed. Note that the outer lid 2 may be secured to the inner lid 3 with adhesive tape or string while stacked on the inner lid 3, or the outer lid 2 may be secured to the tip of the outer lid main portion 20. It is also possible to have a structure in which a tongue piece is provided for this purpose.

In the assembled state, the side end portion 49 of the double wall 4 presses the extension piece 26 of the outer lid 2.
Furthermore, the extending piece 32 of the inner lid 3 is firmly engaged, so that the side walls 5a, 5b can be reliably maintained in an upright state. Moreover, the double wall 4 formed in a rectangular frame shape in cross section acts to reinforce the entire paper box, and has sufficient pressure resistance even when many of these paper boxes are stacked together with contents stored in them. In addition, since the reinforcing plate 23 is attached to the back surface of the main part 20 of the outer lid 2, the weight of the outer lid 2 is large, and the safety of the outer lid 2 when closed is good. Moreover, by simply applying a gloss finish or printing a pattern to only one surface of the component B that forms the outer lid 2, the glossy surface can be exposed on the front and back surfaces of the outer lid 2,
It is possible to present an excellent appearance in both the closed and open states. Also, as shown in FIG. 8, a slit 7 is formed in the reinforcing plate 23, and the slit 7
There is also an advantage that the holes can be used as locking holes for the cards 70, etc.

In addition, in the above embodiment, the paper box main body 1 and the inner lid 3
Although an example has been described in which the outer lid 2 and the outer cover 2 are formed from separate component members A and B, it is also possible to punch and mold these three parts as one piece from a single piece of cardboard, or They may be constructed by forming them from separate constituent members and then bonding them together to connect them together.

Moreover, as shown in FIG. 9, the inner wall 4 of the double wall 4
If a U-shaped notch 71 is provided at the lower end of 7, and this notch 71 is stacked on top of the main body bottom 10 together with the bottom piece 48 and brought into contact with the inner surface of the outer wall 45, this notch 71 Then the positioning is done,
The double wall 4 can be accurately formed to have a predetermined cross-sectional shape. Moreover, as shown in FIG. 10A and B,
An arc-shaped cutout 36 is provided at the base end of the reinforcing extension piece 34 of the inner lid 3, and the cutout 36 covers both ends of the upper piece 46 of the double wall 4. Then, both ends of the double wall 4 and the connecting pieces 6b, 6
b can be hidden and can provide an excellent appearance. Furthermore, if necessary, the inner lid main part 30
A semicircular notch or the like may be provided in the center near the boundary between the inner lid 3 and the closing extension piece 32 to facilitate opening and closing of the inner lid 3. Further, the reinforcing extension pieces 34, 34 of the inner lid 3 may be omitted, and the extension pieces 34, 34 may be replaced with the double wall 4.
It can also be configured to fit inside the inner walls 47, 47 of.

As explained above, this invention allows the paper box main body, outer lid, and inner lid to be stored while being folded flat as one body, so there is no need for the paper box to be bulky or to lose the inner lid. It is very convenient to manage and handle, and in the assembly process, there is no outer cover between the connecting piece folded in so as to overlap the inner surface of the side wall 4 to which the outer cover is connected and the side edge of the double wall. By inserting the extending piece of the lid, the side wall can be held in an upright state, and by using this side wall as a reference, the stored items can be stored in the paper box body in an orderly alignment. It also has many practical advantages, such as excellent shape retention and robustness during assembly.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing an embodiment of the paper box according to this invention, Fig. 2 is a developed view showing the constituent members of this paper box, and Fig. 3 is a partially cutaway perspective view showing the paper box of Fig. 1 in a folded state. , FIG. 4 is an enlarged perspective view of the main part showing the assembly process, FIG. 5 is an enlarged perspective view of the main part showing another embodiment, FIG. 6 is an overall perspective view showing the assembled state, and FIG. , FIGS. 8 and 9 are an overall perspective view and an enlarged perspective view of essential parts showing another embodiment of this invention, respectively, and FIGS. 10A and 10B are still another embodiment of this invention. FIG. 2 is a developed view and a perspective view. 1...Paper box body, 2...Outer lid, 3...Inner lid, 4
...Double wall, 5a, 5b...Other opposing side wall, 6a, 6b...Connecting piece, 10...Bottom, 20
...Outer lid main part, 23... Reinforcement plate, 26... Outer cover extension piece, 32... Inner cover extension piece, 40... Extension member, 45... Outer wall, 47... Inner side Wall, 62...
crease.

Claims (1)

[Scope of utility model registration request] In an assembly-type paper box consisting of a paper box body, an outer lid, and an inner lid, the paper box body has a bottom and four side walls around the bottom, and two opposing side walls each have an extending member connected to the bottom of the main body. By being folded back inward, it is constructed into a double wall having an outer wall and an inner wall, and an outer cover and an inner cover are connected to the other two opposing side walls, and the outer cover is connected to the outer wall. It consists of a main part of the lid and a reinforcing plate fixed to the back side of the main part of the outer lid.
An extension piece corresponding to the side wall to which the outer lid is connected is connected to the base end of this reinforcing plate, and an extension piece for closing is connected to the tip of the inner lid, and the above-mentioned Connecting pieces are connected between the left and right ends of the outer wall of the double wall and the left and right ends of the other opposing two side walls, and each of the connecting pieces has a diagonal diagonal for folding inward. A fold is formed between the connecting piece folded in so as to overlap the inner surface of the side wall to which the outer cover is connected, and the side end of the double wall, and the extending piece of the outer cover and the inner cover. An assembly-type paper box characterized in that the paper box is assembled by inserting each extension piece.