JP2012051626A - Assembly box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an assembly box in which an opening and closing lid can reliably open and close an opening of a box body.SOLUTION: An opening and closing lid 20 includes: a lid 15 continuously connected to the other end side of a box body 10 via a fold line 11c of a substantially circular arc shape curved toward one end side of the box body; and fold-back parts 16, 17 of a substantial lug shape continuously connected via binding parts to both sides of the lid via fold lines 15a, 15b connected to the fold line of the substantially circular arc shape, respectively. A lid receiving part 40 includes: a lid abutment surface abutting an outer edge part of the opening and closing lid bent via the fold line of the substantially circular arc shape facing the fold line of the substantially circular arc shape; and lock parts provided at both sides of the lid abutment surface, for locking the binding parts of the fold-back parts of the substantial lug shape of the opening and closing lid bent on the lid abutment surface to both sides of the lid abutment surface. When the opening and closing lid is bent to the lid receiving part side via the fold line of the substantially circular arc shape, the lid is warped and bent in the substantially circular arc shape so as to push the fold-back part sides of the substantial lug shape upward along the fold line of the substantially circular arc shape, and pressing force is generated for causing the outer edge part to abut against the lid abutment surface and causing the binding parts to be engaged with the lock parts of the lid receiving part, respectively.

Description

  The present invention relates to an assembly box for displaying or storing various products, for example.

  Conventionally, for example, when displaying or storing stationery, cosmetics, miscellaneous goods, sweets, various foods, etc., boxes made of paper or various materials are used.

  In such applications, it is desired that the contents can be easily taken in and out, the opening / closing lid can be easily operated, and that the opening / closing lid can be securely sealed.

  Therefore, for example, in Patent Documents 1 and 2, a handle is provided on the box body so that it can be carried, and both sides of the handle are locked from the box body side to locking holes provided in the locking tongue. Thus, a technique for preventing the handle from opening easily is disclosed.

No. 3-26104 Japanese Utility Model Publication No. 6-22213

  However, in the containers described in Patent Documents 1 and 2, the handle protrudes from the box body, and both ends of the handle are locked by the locking members protruding from the box body. It must be inconvenient to handle.

  In addition, since the container opening / closing mechanism is structured by a handle and a locking tongue, it is troublesome to open and close the container.

  In addition, it is known to sell sandwiches, hamburgers, french fries, etc. in a bag-like container, but in order to make it easier to eat, these do not have a lid, and convenience such as carrying around is not considered .

  Therefore, it is also known that these are provided with a lid, but this type of lid temporarily closes the opening of the bag or avoids dust, and can reliably close the opening of the bag. It wasn't.

  The present invention has been made to solve such conventional problems, and an object thereof is to provide an assembly box in which an opening / closing lid can reliably open and close the opening of the box body.

  The invention according to claim 1 is a box body having a substantially polygonal column shape with a bottom that closes one end and opens the other end, and an open / close lid that is foldably connected to the other end of the box body. And a lid receiving portion formed on the other end side of the box body portion so as to face the opening / closing lid, and the opening / closing lid is substantially arcuately curved toward one end portion side of the box body A lid body connected to the other end side of the box body via a fold line of the box, and connected to both sides of the lid body via a constricted portion via fold lines respectively connected to the substantially arc-shaped fold line. And the lid receiving portion abuts an outer edge portion of the opening / closing lid that is folded via the substantially arc-shaped folding line and facing the substantially arc-shaped folding line. A lid abutting surface and a constricted portion of a substantially ear-shaped folded portion of the opening / closing lid that is bent to the lid abutting surface; A locking portion provided on both sides of the lid abutting surface for locking to both sides of the lid abutting surface, and the opening / closing lid via the substantially arc-shaped folding line When folded to the lid receiving portion side, the lid body is bent in a substantially arc shape so as to push up the substantially ear-shaped folded portion side upward along the substantially arc-shaped folding line, and the outer edge portion is While making it contact | abut to a lid | cover contact surface, the pressing force which inserts the said narrow part in the latching | locking part of the said lid | cover receiving part is produced | generated.

  According to a second aspect of the present invention, in the assembly box according to the first aspect, the lid body has a length of the outer edge portion which is shorter than a length of the substantially arc-shaped folding line, and is substantially the same as the lid body of the opening / closing lid. The fold line connecting the ear-shaped folded portion is inclined at an angle of several degrees so as to intersect each other with respect to the longitudinal line segment of the wall surface constituting the box body.

  According to the present invention, it is possible to provide an assembly box in which the opening / closing lid can reliably open and close the opening of the box body.

  Further, according to the present invention, when the opening of the box body is sealed with the opening / closing lid, the lid body of the opening / closing lid warps and bends so that the lid body exhibits springiness, and the outer edge portion is brought into contact with the lid of the lid receiving portion. The constricted portions provided between the two sides of the lid are firmly fitted into the constricted portions of the lid abutting surface of the lid receiving portion, and the opening of the box body is opened by the opening / closing lid. It can be surely sealed.

  Further, according to the present invention, the both ends of the opening / closing lid are provided with the substantially ear-shaped folded portion via the fold line, so that the substantially ear-shaped folded portion is folded to the bottom plate side via the fold line. By this, it becomes possible to constitute a stronger retaining of the opening / closing lid.

It is a perspective view of the assembly box which concerns on one Embodiment of this invention. It is an expanded view of the assembly box which concerns on one Embodiment of this invention. (A)-(e) is a figure which shows the assembly procedure of the assembly box which concerns on one Embodiment of this invention. It is an enlarged view which shows the engagement state of the opening / closing lid | cover and the latching | locking part of a lid | cover receiving part in the assembly box which concerns on one Embodiment of this invention.

  Hereinafter, the present invention will be described based on embodiments shown in the drawings.

  FIG. 1 shows an assembly box 1 according to the present embodiment.

  The assembly box 1 according to the present embodiment is configured by, for example, assembling paperboard, and has a substantially hexagonal columnar box body 10 with a bottom plate 30 having an opening 18 for taking in and out an object at one end portion, and the box. There is an open / close lid 20 that is foldably connected to the opening 18 side of the main body 10, and a lid receiving portion 40 that is formed on the opening 18 side of the box main body 10 so as to face the open / close lid 20.

  FIG. 2 shows a development view of the assembly box 1. The paperboard constituting the assembly box 1 is a box main body 10 having three wall surfaces 11, 12, and 13, and an upper end portion of the wall surface 11 located at the center of the box main body 10 is curved toward the lower end side of the wall surface 11. The open / close lid 20 connected via the arc-shaped folding line 11c and the lower end portions of the three wall surfaces 11, 12, 13 of the box body 10 via the folding lines 11f, 11i, 11j, 12a, 133, 13c, 13d. The bottom plate members 21 to 26 are connected to each other. The bottom plate members 21 to 26 form the bottom plate 30 by assembling.

  The three wall surfaces 11, 12, and 13 are bent through fold lines 11a and 11b, respectively. A glue piece 14 is formed on the wall surface 13. The glue piece 14 is glued to the back surface of the wall surface 12 during assembly.

  The opening / closing lid 20 is connected to the upper end side of the box body 10 via a substantially arc-shaped fold line 11 c that curves toward the lower end side of the box body 10, and both ends are line segments 11 </ b> A in the longitudinal direction of the wall surface 11. A substantially oval lid body 15 having fold lines 15a and 15b inclined inward at an angle β of several degrees with respect to the rim, and a substantially ear shape connected via the fold lines 15a and 15b at both ends of the lid body 15. And folded portions 16 and 17.

  Both end portions 11c1 and 11c2 of the substantially arc-shaped fold line 11c formed at the upper end portion of the wall surface 11 are connected to the upper end portions 11d and 1le connected to the fold lines 11a and 11b. The upper end portions 11d and 11e form slopes with downward slopes toward the upper end portions 12b and 13g of the wall surfaces 12 and 13, respectively.

  The lid body 15 has a substantially arc-shaped outer edge portion 15c that is symmetrical to the substantially arc-shaped folding line 11c with respect to a line segment 11B orthogonal to the longitudinal line segment 11A of the wall surface 11. The length of the outer edge portion 15c is set shorter than the length of the substantially arc-shaped folding line 11c because the folding lines 15a and 15b are inclined inward at an angle β of several degrees with respect to the longitudinal line segment 11A of the wall surface 11. Has been.

  The end portions on the wall surface 11 side of the fold lines 15a and 15b are inclined inwardly at an angle β of several degrees with respect to the longitudinal line segment 11A of the wall surface 11 from both end portions 11cl and llc2 of the substantially arc-shaped fold line 11c. It is connected to base parts 15d and 15e of several millimeters that rise up.

  Here, the base portions 15 d and 15 e are provided to separate the substantially ear-shaped folded portions 16 and 17 from the wall surface 11. Accordingly, the constricted portions 16 a and 17 a of the substantially ear-shaped folded portions 16 and 17 are held on the wall surfaces 12 and 13 in order to hold the opening / closing lid 15 that seals the opening 18 of the assembly box 1. It can be reliably latched to the parts 12a and 13a.

  The constricted portions 16a and 17a of the substantially ear-shaped folded portions 16 and 17 are connected to the joint portions between the folding lines 15a and 15b and both end portions 15cl and 15c2 of the outer edge portion 15c with the substantially ear-shaped folded portions 16 and 17, respectively. A boundary is formed.

The upper end portion 12b of the wall surface 12 is connected to a locking protrusion 12d having a substantially V-shaped constricted portion 12c. The locking protrusion 12d engages a substantially V-shaped constricted portion 16a formed by the substantially ear-shaped folded portion 16 and the outer edge portion 15c of the opening / closing lid 20 during assembly.

An upper end portion 13g of the wall surface 13 is connected to a locking protrusion 13i having a substantially V-shaped constricted portion 13h. The locking protrusion 13i engages a substantially V-shaped constricted portion 17a formed by the substantially ear-shaped folded portion 17 and the outer edge portion 15c of the opening / closing lid 20 during assembly.

  The locking protrusion 13i is symmetrical to the locking protrusion 12d with respect to the line segment 11A in the longitudinal direction of the wall surface 11. The end 13j of the locking protrusion 13i on the side of the glue piece 14 is continuous with the substantially arc-shaped protrusion 13k, and the end 13n of the approximately arc-shaped protrusion 13k is continuous with the protrusion 13m, so that the lid receiving portion 40 lid contact surfaces 41 are formed. Here, the lid abutment surface 41 of the lid receiving portion 40 has a chevron rim that connects the locking protrusion 13i and the protrusion 13m so as to be symmetrical from both ends 13j, 13m of the substantially arc-shaped protrusion 13k. Is forming. Further, when the glue piece 14 is glued to the back surface of the wall surface 12, the projection piece 13m is glued to the back surface side of the locking projection piece 12d of the wall surface 12, so that the lid contact surface 41 of the lid receiving portion 40 is Locking protrusions 13i and locking protrusions 12d processed in the same shape as the locking protrusions 13i can be arranged on the left and right sides of 13k.

  A bottom plate member 21 having a substantially hexagonal shape is connected to a fold line 11 f provided at the center of the lower end of the wall surface 11. The fold line llf also serves as one side of the bottom plate member 21 having a substantially hexagonal shape. The fold lines 11d and 11e are provided in parallel to the fold lines 11a and 11b starting from both ends 2la and 21b of the fold line 11f that also serves as one side of the bottom plate member 21 having a substantially hexagonal shape. The fold lines 11d and 11e are provided in order to easily fold the wall surface 12 side and the wall surface 13 side of the wall surface 11 to the wall surface 12 side and the wall surface 13 side, respectively, leaving a plane between both ends 2la and 21b of the fold line 11c. Yes. Further, a substantially trapezoidal tongue piece 21c protrudes from the center of the side facing the fold line 11f of the bottom plate member 21 having a substantially hexagonal shape.

  The folding line 11i provided on the wall surface 12 side at the lower end of the wall surface 11 has a substantially trapezoidal shape that is connected via a member 22a having a substantially triangular shape on the folding line 11i side and a folding line 22b that also serves as a side on the wall surface 12 side. The bottom plate member 22 composed of the member 22c is connected.

  The fold line 11j provided on the wall surface 13 side at the lower end of the wall surface 11 has a substantially trapezoidal shape connected via a member 23a having a substantially triangular shape on the fold line 11j side and a fold line 23b also serving as a side on the wall surface 13 side. The bottom plate member 23 composed of the member 23c is connected.

  A fold line 13a, a fold line 13c, a cut 13b, and a fold line 13d are formed at the lower end of the wall surface 13.

  A substantially triangular bottom plate member 25 is connected to a fold line 13 a provided on the side of the wall 11 at the lower end of the wall 13.

  The fold line 13c, the notch 13b, and the fold line 13d connected to the fold line 13a at the lower end of the wall surface 13 include a fold line 13c, a notch 13b, and a member 26a having a substantially trapezoidal shape on the fold line 13d side, and a fold line on the upper bottom side. A bottom plate member 26 composed of a substantially rectangular member 26c connected via a line 26b is connected.

  Fold lines 13e and 13f are provided in parallel with the fold line 11b, starting from an end portion 26d of the fold line 13c which also serves as one side of the bottom plate member 26 and an end portion 26e of the fold line 13d. The fold lines 13e and 13f are provided to easily bend the wall surface 11 side and the wall surface 12 side of the wall surface 13 toward the wall surface 11 side and the wall surface 12 side, respectively, leaving a plane between the end portions 26d and 26e.

  Next, the assembly of the assembly box 1 according to the present embodiment will be described.

  First, as shown in FIGS. 3A, 3B, and 3C, the paperboard configured in this way has three wall surfaces 11, 12, 13 and a glue piece 14 via the folding lines 11a, 11b, and 13f. The glue piece 14 is glued to the back side of the wall surface 12 to form a substantially hexagonal cylindrical body.

  Next, the bottom plate members 21 to 26 are raised inside the cylindrical body via the folding lines 11f, 11i, 11j, 12a, 13a, 13c, and 13d, the bottom plate members 21 to 26 are combined, and the tongue piece 21c of the bottom plate member 21 is combined. Is assembled into the notch 13b and the bottom plate 30 is formed by gluing the member 26c of the bottom plate member 26 to the bottom plate member 21 to form the assembly box 1.

  Next, as shown in FIGS. 3D, 3E, and 4, the open / close lid 20 is pushed down toward the opening 18 along a substantially arc-shaped fold line 1lc.

As a result, the lid body 15 is bent in a substantially arc shape so as to push up the substantially ear-shaped folded portions 16 and 17 upward along the substantially arc-shaped folding line 11 c, and the outer edge portion 15 c is bent on the lid receiving portion 40. While making it contact | abut to the lid | cover contact surface 41, substantially V-shaped narrow part 16a, 17a
Are pressed into the substantially V-shaped constricted portions 12c and 13h for locking the lid contact surface 41 of the lid receiving portion 40, respectively.

And the substantially V-shaped constricted part 1 is formed by folding the substantially ear-shaped folded parts 16 and 17 toward the bottom plate 30 side of the box body 10 through the folding lines 15a and 15b.
6a, 17a and the substantially V-shaped constricted portions 12c, 13h are more firmly fitted, and the opening / closing lid 20
It is possible to reliably close the opening 18 of the box body 10.

  The box body 10 has a substantially hexagonal shape along the shape of the bottom plate 30 by four folding lines 11g, 11h, 13e, and 13f provided in the vicinity of the bottom plate 30 side. Since the three wall surfaces 11, 12, and 13 are formed in a region other than 11 a and 11 b, the opening and closing lid 20 functions as a binding fit according to the curvature of the opening and closing lid 20 when the opening and closing lid 20 is closed. It is possible to apply a force to be applied to the pressing force generated in

  On the other hand, when the opening / closing lid 20 of the assembly box 1 shown in FIGS. 1 and 3 (e) is opened, for example, the substantially ear-shaped folded portions 16 and 17 that are bent toward the bottom plate 30 side are folded lines 15a and 15b. Then, the opening 18 can be opened by raising the open / close lid 20 via the fold line 11c.

As described above, according to the assembly box 1 according to the present embodiment, when the opening 18 of the box body 10 is sealed with the opening / closing lid 20, the lid body 15 of the opening / closing lid 20 is bent and the lid body 15 is spring-loaded. The outer edge portion 15c is brought into contact with the lid contact surface 41 of the lid receiving portion 40, and the substantially V-shaped constricted portion 16a provided between the substantially ear-shaped folded portions 16 and 17 on both sides. , 17a are firmly fitted into the substantially V-shaped constricted portions 12c, 13h for locking the lid contact surface 41 of the lid receiving portion 40, respectively, and the opening 18 of the box body 10 is securely sealed by the opening / closing lid 20. It becomes possible.

  Moreover, since the substantially ear-shaped folding | returning parts 16 and 17 are provided in the both ends of the opening-and-closing lid 20 via the folding lines 15a and 15b, the folding lines 15a and 15b are connected to the substantially ear-shaped folding parts 16 and 17, respectively. Accordingly, the lid 20 can be more securely prevented from coming off by being bent toward the bottom plate 30.

  In addition, as shown in FIG. 3A, the assembly box 1 according to the present embodiment can fold the opening / closing lid 20 so as to be substantially flush with the wall surface 11, so that an exhibition hall, a store, etc. for storing contents It becomes possible to stack and carry in.

  And in the stage which accommodates the contents, as shown in FIG.3 (b) and FIG.3 (c), it can assemble and it can be set as the state which open | released the opening 18. FIG.

  In the above embodiment, the case where the assembly box 1 is made of paperboard has been described. However, the present invention is not limited to this, and is made of, for example, plastic, PET (polyethylene terephthalate), OPP (biaxially stretched polypropylene film), or the like. You may do it.

  Moreover, although the case where the box main body 10 was made into the substantially hexagonal column shape was demonstrated in the said embodiment, this invention is not restricted to this, It is good also as substantially polygonal column shapes, such as a substantially octagonal column shape.

DESCRIPTION OF SYMBOLS 1 Assembling box 10 Box main body 11, 12, 13 Wall surface 11a, 11b, 11c, 15a, 15b Folding line 12c, 13h, 16a, 17a Constriction part 12d, 13i Locking protrusion 15 Lid main body 15c Outer edge part 16, 17 Ear-shaped folded portion 18 Opening 20 Opening / closing lid 30 Bottom plate 40 Lid receiving portion 41 Lid contact portion

Claims (2)

A box body having a substantially polygonal column shape with a bottom, which seals one end and opens the other end;
An open / close lid connected to the other end of the box body in a foldable manner;
A lid receiving part formed on the other end side of the box body part facing the opening / closing lid,
The opening / closing lid includes a lid body connected to the other end side of the box body via a substantially arc-shaped fold line that curves toward one end side of the box body, and a substantially arc-shaped fold line, respectively. A substantially ear-shaped folded portion connected to both sides of the lid main body via a constricted portion via a folding line for communication;
The lid receiving portion includes a lid abutting surface that abuts an outer edge portion of the opening / closing lid that is bent through the substantially arc-shaped fold line and that is opposed to the substantially arc-shaped fold line, and a lid abutting surface. Locking portions provided on both sides of the lid contact surface for locking the constricted portions of the substantially ear-shaped folded portion of the opening / closing lid to be bent to both sides of the lid contact surface, respectively. ,
When the opening / closing lid is bent toward the lid receiving portion side through the substantially arc-shaped fold line, the substantially ear-shaped folded portion side is pushed upward along the substantially arc-shaped fold line, respectively. The lid body is bent in a substantially arc shape, and the outer edge portion is brought into contact with the lid abutting surface, and a pressing force for causing the constricted portion to fit into the engaging portion of the lid receiving portion is generated. Assembly box to do. The assembly box according to claim 1,
The lid body has a short length of the outer edge portion and a substantially arc-shaped folding line,
The fold line connecting the lid body of the open / close lid and the substantially ear-shaped folded portion is inclined at an angle of several degrees so as to intersect each other with respect to the longitudinal line segment of the wall surface constituting the box body. An assembly box characterized by.

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