JP3201304U - Box and blank sheet of the box - Google Patents

Abstract

The present invention provides a portable box and a blank sheet for the box. A box according to the present invention has a bottom wall portion, a side wall portion surrounding the bottom wall portion, a cut portion and a bent portion, and is formed from the side wall portion to the bottom wall portion. The handle portion 15 is provided. [Selection] Figure 1

Description

  The present invention relates to a box and a blank sheet of the box. In particular, the present invention relates to a box whose shape is improved for easy carrying and a blank sheet of the box.

  2. Description of the Related Art Conventionally, a box such as a cardboard (hereinafter also referred to as a box) for storing an article has been widely used so that the article is transported so as not to get dirty or damaged. A box in which an article is stored is generally transported by holding the vicinity of the bottom with a hand. However, the weight of the box after storage changes according to the weight of the article to be stored, and if the box is heavy, the bottom surface of the box may be deformed and become a shape that is difficult for the transporter to carry. Further, the shape of the box is selected according to the shape, size, etc. of the article to be accommodated, and the box itself may be difficult to hold.

  Therefore, in order to improve the ease of carrying, an example of a box in which a hole for holding by hand is formed on the side wall is disclosed in Patent Document 1.

JP2015-131648A

  While it is known that it can be easily carried by holding a hole formed in the side wall and holding it like a box described in Patent Document 1, it can be easily carried by a method different from this. Therefore, it is required to improve the shape of the side wall and the bottom wall of the box.

  An object of the present invention is to provide a portable box and a blank sheet of the box.

  A box according to the present invention includes a bottom wall portion, a side wall portion surrounding the bottom wall portion, a handle portion having a cut portion and a bent portion and formed from the side wall portion to the bottom wall portion. It is what.

  A blank sheet according to the present invention is a blank sheet of a box according to the present invention, and is formed across a pair of first crease lines parallel to each other and a handle portion, and orthogonal to the pair of first crease lines. A pair of second crease lines parallel to each other, a pair of first crease lines, a pair of second crease lines, and a pair of second crease lines that connect portions of the pair of second crease lines that straddle the handle portion. A bottom wall portion partitioned by a line, a pair of first side wall portions respectively extending from the bottom wall portion via a pair of first crease lines, a pair of second crease lines, and a pair of connecting lines. A pair of second side wall portions extending from the bottom wall portion via a pair of wires, wherein the pair of handle portions is at least one of the pair of first side wall portions and the pair of second side wall portions. They face each other from the pair of side walls to the bottom wall. It is characterized in being formed.

  According to the present invention, by providing the handle portion from the side wall portion to the bottom wall portion, the box can be easily held and the portability of the box can be improved.

It is a perspective view of the box concerning one embodiment of the present invention. It is a top view of the blank sheet which developed the box concerning one embodiment of the present invention. It is a figure for demonstrating an example of the assembly process of the box which concerns on one Embodiment of this invention. It is a figure for demonstrating an example of the assembly process of the box which concerns on one Embodiment of this invention. It is sectional drawing of the handle part vicinity of the box shown in FIG. 1, (a) is sectional drawing of the Va-Va direction of FIG. 1, (b) is sectional drawing of the Vb-Vb direction of FIG. 1, (c) is FIG. FIG. 5A shows an example in which the cross-sectional view shown in FIG. 5A changes as the handle portion is bent, and FIG. 5D shows an example in which the cross-sectional view shown in FIG. 5B changes as the handle portion is bent. It is the perspective view which looked at the handle part of the box shown in FIG. 5 from the bottom wall part side, (a) is the handle part shown in FIG. 5 (a) and FIG.5 (b), (b) is a figure. 5 (c) and FIG. 5 (d) respectively show the handle portions. It is a figure which shows an example of the state which is holding the box with the handle part after bending based on one Embodiment of this invention.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to the drawings.

<Structure>
FIG. 1 shows a perspective view of a box 10 according to an embodiment of the present invention, and FIG. 2 shows a plan view of a blank sheet 10B in which the box 10 according to this embodiment is developed. The box 10 according to the present embodiment can accommodate, for example, foods or beverages enclosed in cans, bottles, bags, etc., or articles such as vegetables or fruits.

  The box 10 according to the present embodiment includes a bottom wall portion 11, a pair of first side wall portions 12 and a pair of second side wall portions 13 that stand up at a right angle from the bottom wall portion 11 and surround the bottom wall portion 11, and a pair of first side walls. Two pairs of side wall reinforcing parts 16 extending from the side wall parts 12, a pair of overlapping parts 13R and a pair of inner wall parts 14 extending from the pair of second side wall parts 13, and a bottom wall from the pair of second side wall parts 13 A pair of handle portions 15 formed over the portion 11 are included.

  In the blank sheet 10B according to the present embodiment, the pair of first side wall portions 12 extend from the bottom wall portion 11 via a pair of first crease lines CL1 that are parallel to each other. As shown in FIG. 2, the second crease line SL2 is formed across the handle portion 15, and the pair of second crease lines SL2 is orthogonal to the first crease line CL1 and parallel to each other. Formed to be. The second side wall portion 13 is a line formed by a connecting line connecting portions of the second crease line SL2 and the second crease line SL2 that straddle the handle portion 15 (hereinafter also referred to as a connected second crease line SL2). ) Extending from the bottom wall 11 via The bottom wall portion 11 is partitioned by a pair of first crease lines CL1 and a pair of connected second crease lines SL2, and has a rectangular shape. In the blank sheet 10B according to the present embodiment, the first crease line CL1 that defines the boundary between the bottom wall part 11 and the first side wall part 12 becomes a vertical ruled line (so-called crease) of the cardboard, and The second folding ruled line SL2 that is a part of the boundary line with the two side wall portions 13 is set to be a horizontal ruled line (so-called score) of the cardboard. The formation direction of the ruled line is not limited to this, and it may be formed in any direction as long as the object of the present invention that it is easy to carry can be achieved.

  In the present embodiment, the bottom wall portion 11 is formed with two pairs of slit portions 17 into which two pairs of locking projections 14P described later can be inserted. The slit part 17 is provided by cutting out the bottom wall part 11 and forming a hole, for example.

  The overlapping portion 13R extends in parallel with the first side wall portion 12 from the second side wall portion 13 via the third crease line SL3, and the inner wall portion 14 extends from the overlapping portion 13R via the fourth crease line SL4. . The inner wall portion 14 is provided with a notch portion 14A and a pair of locking projections 14P that can be inserted into the pair of slit portions 17. In addition, you may prescribe | regulate the bending range of the handle part 15 mentioned later by changing the magnitude | size of the notch of this notch part 14A (refer FIG. 5).

  The pair of side wall reinforcing portions 16 extend in parallel with the second side wall portion 13 from the first side wall portion 12 via the pair of fifth crease lines SL5. In the assembled state shown in FIG. 1, the side wall reinforcing portion 16 is sandwiched between the second side wall portion 13 and the inner wall portion 14. In the blank sheet 10 </ b> B according to the present embodiment, the length and shape of the side wall reinforcing portion 16 in the direction parallel to the first crease line CL <b> 1 do not interfere with the bending of the handle portion 15.

  The handle 15 is formed from the side wall of the box 10 to the bottom wall. The pair of handle portions 15 are formed so as to face each other from the pair of second side wall portions 13 to the bottom wall portion 11. The handle portion 15 has a cut portion and a bent portion.

  The cut portion has two cut lines C1 separated from each other. In the present embodiment, the pair of cut lines C1 are broken from the second side wall portion 13 to the bottom wall portion 11 or are constituted by mutually parallel cut lines that can be broken. Note that the pair of cut lines may not be parallel to each other as long as the effect of the present invention that it is easy to hold can be exhibited.

  The bent portion is formed between the two cut lines C1. The bent portion includes a first fold line L1 and a second fold line L2 formed on the bottom wall portion 11, respectively, a third fold line L3 and a fourth fold line L4 formed on the second side wall portion 13, and a bottom wall. The first surface 11 a included in the portion 11, the second surface 18 formed from the bottom wall portion 11 to the second side wall portion 13, and the third surface 13 a included in the second side wall portion 13. The first fold line L1 is provided in the bottom wall portion 11 so as to be formed at one end of the cut line C1 and to extend in a direction intersecting the cut line C1, and the second fold line L2 is formed on the bottom wall portion. 11 is provided so as to be separated from the first fold line L1 and to extend in a direction intersecting the cut line C1. The third fold line L3 is provided at the second side wall 13 so as to be formed at the other end of the cut line C1 and extending in a direction intersecting the cut line C1, and the fourth fold line L4 is In the 2nd side wall part 13, it is provided so that it may be separated from the 3rd bending line L3, and may extend in the direction which cross | intersects the cut line C1. In the present embodiment, the first fold line L1, the second fold line L2, the third fold line L3, and the fourth fold line L4 are parallel to each other and extend in a direction perpendicular to the cut line C1.

  The first surface 11a is partitioned by two cut lines C1, a first fold line L1, and a second fold line L2, and the second surface 18 is divided by two cut lines C1 and a second fold line. It is partitioned off by L2 and the fourth fold line L4. The third surface 13a is partitioned by two cut lines C1, a third fold line L3, and a fourth fold line L4.

  As shown in FIG. 1, a part of the second surface 18 of the handle portion 15 and the third surface 13 a protrude outward with respect to the second side wall portion 13. In the present embodiment, by pushing the protruding portion, the bent portion of the handle portion 15 is bent, and it becomes possible to have a shape that is easy to hold as described later. In the blank sheet 10B according to the present embodiment, the fourth fold line L4 is not formed on the extension line of the second fold ruled line SL2. In this way, by forming the fourth fold line L4 so as to be shifted from the second crease line SL2 (formed on the second side wall 13 side in FIG. 2), a part of the second surface 18 and the third surface 13a become the first. It is possible to protrude outward of the two side wall portions 13.

<Assembly>
3 and 4 are diagrams for explaining an example of an assembly process of the box 10 according to an embodiment of the present invention. FIG. 3 is a blank sheet 10B in the process of folding each crease line, and FIG. A blank sheet 10 </ b> B before inserting the locking protrusion 14 </ b> P into the slit portion 17 is shown.

  In the blank sheet 10 </ b> B shown in FIG. 2, first, the first side wall portion 12 is bent from the first crease line CL <b> 1 with respect to the bottom wall portion 11, and the side wall reinforcing portion 16 is bent with respect to the first side wall portion 12 to the fifth crease line SL <b> 5. Bend from. Next, the third side surface 13a of the handle 15 is bent from the fourth fold line L4 to the second surface 18 while the second side wall portion 13 is bent from the second crease line SL2 with respect to the bottom wall portion 11. Then, the blank sheet 10B is formed in FIG. 2 by bending the overlapping portion 13R with respect to the second side wall portion 13 from the third crease line SL3 and bending the inner wall portion 14 with respect to the overlapping portion 13R from the fourth crease line SL4. It is bent from the state shown to the state shown in FIG.

  Subsequently, in the blank sheet 10 </ b> B shown in FIG. 3, the first side wall portion 12 is bent from the first crease line CL <b> 1 so as to rise at a right angle with respect to the bottom wall portion 11, and the side wall reinforcing portion 16 is bent with respect to the first side wall portion 12. Are bent from the fifth crease line SL5 so as to be perpendicular to each other. Then, the blank sheet 10B is shown in FIG. 3 by raising the second side wall portion 13 at a right angle to the bottom wall portion 11 and bending the second side wall portion 13 from the second crease line SL2 so as to contact the side wall reinforcing portion 16. It is bent from the state to the state shown in FIG. At this time, a part of the second surface 18 of the handle portion 15 and the third surface 13 a are in a state of protruding outward with respect to the second side wall portion 13.

  Next, in the blank sheet 10B shown in FIG. 4, the pair of side wall reinforcing portions 16 are folded from the third fold ruled line SL3 and the fourth fold ruled line SL4 so as to be sandwiched between the second side wall part 13 and the inner wall part 14, respectively. The blank sheet 10B is folded and assembled from the state shown in FIG. 4 to the state of the box 10 shown in FIG. 1 by inserting the pair of locking projections 14P into the pair of slits 17, respectively.

<Hand part>
5 is a cross-sectional view of the vicinity of the handle 15 of the box shown in FIG. 1, FIG. 5 (a) is a cross-sectional view in the Va-Va direction of FIG. 1, and FIG. 5 (b) is a Vb-Vb direction in FIG. 5C is an example in which the cross-sectional view shown in FIG. 5A changes as the handle portion 15 is bent, and FIG. 5D is a cross-sectional view shown in FIG. 5B. An example which changed with bending of the part 15 is shown, respectively. 6 is a perspective view of the handle 15 of the box 10 shown in FIG. 5 as viewed from the bottom wall 11 side, and FIG. 6 (a) is shown in FIG. 5 (a) and FIG. The handle part 15 shown in FIG. 6B shows the handle part 15 shown in FIGS. 5C and 5D, respectively. FIG. 7 is a diagram illustrating an example of a state in which the box 10 is held with the handle 15 after bending according to an embodiment of the present invention. In FIG. 5, for convenience of explanation, an article 20 (represented by a thick two-dot chain line in the figure) is accommodated in the box 10. 5 (c) and 5 (d), the cross section of the handle portion 15 shown in FIGS. 5 (a) and 5 (b) before bending is represented by a thin two-dot chain line. Further, as shown in FIGS. 6A and 6B, the bottom wall portion 11 and the second side wall portion 13 are formed by forming a pair of cut lines C1 from the second side wall portion 13 to the bottom wall portion 11. It can be seen that the first cut line C1a is formed on the side, and the second cut line C1b is formed on the handle portion 15 side.

  As shown in FIGS. 5 (a) and 6 (a), the bent portion of the handle portion 15 has a part of the second surface 18 and the third surface 13 a protruding outward with respect to the second side wall portion 13. As shown, it bends at the fourth fold line L4. Specifically, in the bent portion of the handle portion 15, the second surface 18 is bent inward from the fourth fold line L4 with respect to the third surface 13a (valley fold).

  In this embodiment, the shape of the bent portion of the handle portion 15 is changed by pushing a portion (for example, the third surface 13a) that protrudes outward with respect to the second side wall portion 13, and the carrier can easily hold it. It can be bent into a shape. In the present embodiment, by pushing this protruding portion, the shape of the bent portion of the handle portion 15 is changed from, for example, the shape shown in FIGS. 5A and 5B to FIGS. Each of the shapes shown in (d) can be changed.

  Specifically, as shown in FIG. 5C and FIG. 6B, the bent portion of the handle portion 15 has a part of the second surface 18 and the first surface 11a protruding from the bottom wall portion 11, In addition, the first fold line L1, the second fold line L2, the third fold line L3, and the fourth fold line L4 may be folded so that the third surface 13a enters the second side wall portion 13 inside. Is possible. In other words, in the bent portion of the handle portion 15, the first surface 11a is bent outward from the first fold line L1 with respect to the bottom wall portion 11 (mountain fold), and the second surface 18 is with respect to the first surface 11a. The second fold line L2 is bent inward (valley fold), the third surface 13a is bent inward from the fourth fold line L4 (valley fold) with respect to the second surface 18, and the third surface 13a is second. The side wall portion 13 is bent inward from the third fold line L3 (valley fold).

  In the present embodiment, as shown in FIG. 5C and FIG. 6B, four fold lines of a first fold line L1, a second fold line L2, a third fold line L3, and a fourth fold line L4 are provided. Of these, only the first fold line L1 is a mountain fold line, and the remaining three fold lines are valley fold lines. With this configuration, it is possible to hook a finger near the second fold line L2 that is a valley fold line, and to hold and hold the second surface 18 with the palm of the hand, improving ease of carrying.

  In the present embodiment, as shown in FIGS. 5B and 5D, the side wall reinforcing portion 16 is formed in a range where it does not contact the third surface 13 a of the handle portion 15, and the second side wall portion 13 and Since a space is formed between the inner wall portion 14 and the inner wall portion 14, the third surface 13 a can be bent toward the inner side of the second side wall portion 13. Further, as shown in FIG. 5C, by providing the notch portion 14 </ b> A, the third surface 13 a is located on the inner side of the second side wall portion 13 within a range not contacting the article 20 accommodated in the box 10. It is possible to bend. Therefore, it is possible to change the position of the third surface 13a, that is, to adjust the folding state of the bent portion so that the shape that the carrier can easily hold can be selected.

  In the blank sheet 10B according to the present embodiment, the fourth fold line L4 is formed so as to be shifted from the second crease line SL2, thereby forming the second surface 18 and the third surface 13a of the box 10 according to the present embodiment. The angle θ is less than 90 degrees. Here, in the blank sheet 10B, if the fourth fold line L4 is formed on the extended line of the second crease line SL2, the angle θ formed between the second surface 18 and the third surface 13a is 90 degrees, A portion protruding outward with respect to the second side wall portion 13 is not formed, and the third surface 13a and the second side wall portion 13 exist on the same plane.

  In the box 10 according to the present embodiment, a portion protruding outward with respect to the second side wall portion 13 is formed, and the third surface 13a is disposed so as to face obliquely upward with respect to the second side wall portion 13. Therefore, the third surface 13a can be easily pushed, and as a result, the bent portion of the handle portion 15 can be easily bent.

  Since the handle portion 15 has such a shape, as shown in FIG. 7, both hands (in FIG. 7, the right hand is represented as 30R and the left hand is represented as 30L) are located toward the back of the bottom wall portion 11 of the box 10. Since it becomes possible to enter, the box 10 can be easily supported and can be easily carried. Therefore, according to this embodiment, it becomes possible to improve the portability of the box by making the handle portion of the box easy to hold. Note that the intervals of the first fold line L1, the second fold line L2, the third fold line L3, and the fourth fold line L4 that form the handle portion 15 are determined as appropriate. It is preferable to be designed so as to match the size of the finger and the interval between the finger joints.

<Others>
The present invention is not limited to the above-described embodiments and modifications described in various places, and appropriate changes and modifications can be made without departing from the technical idea of the present invention.

  For example, the box 10 according to the above embodiment is not provided with a flap portion on the top surface side, but the bottom wall portion of the box in which the handle portion 15 is formed is a single plate and has a flat shape. If a certain condition is satisfied, the handle portion 15 may be provided from the side wall portion to the bottom wall portion even in a box (for example, a box with a lid) provided with a flap portion on the top surface side.

  In addition, the bottom wall portion 11 of the box 10 according to the above embodiment is rectangular, but is not limited thereto, and is, for example, a shape constituted by a polygon such as a triangle or a hexagon, or a curve such as a circle. May be. For example, when the shape of the bottom wall portion is a circle, the side wall portion may be configured by, for example, a single side plate, rise from the bottom wall portion, exhibit a cylindrical shape, and surround the bottom wall portion.

  Moreover, in the said embodiment, although a pair of handle part 15 is provided ranging from a pair of 2nd side wall part 13 to the bottom wall part 11, it is not restricted to this, A pair of handle part 15 is provided. Alternatively, it may be formed from the pair of first side wall portions 12 to the bottom wall portion 11. For example, two pairs of handle portions 15 may be provided from the pair of second side wall portions 13 to the bottom wall portion 11, and a plurality of carriers may carry the boxes with the handle portions 15.

  In the above embodiment, among the fold lines forming the handle portion 15, the valley fold line (for example, the second fold line L <b> 2) is the ruled line for assembling the box, that is, the first fold ruled line CL <b> 1 to the fifth fold ruled line. It can be provided by pressing from one direction simultaneously with SL5. On the other hand, the mountain fold line (for example, the first fold line L1) among the fold lines forming the handle portion 15 is reverse-folded, that is, folded in the direction opposite to the direction in which the ruled lines are put, and is not easily broken. You may comprise what is called a lead ruled (thing which made the intermittent cut | disconnection on the ruled line). Further, both the mountain fold line and the valley fold line may be this lead rule.

  The material of the box 10 and the blank sheet 10B according to the above embodiment is made of corrugated cardboard, but is not limited thereto, and any material may be used as long as it can exhibit the effect of being easily carried. It may be made of plastic.

  In the above embodiment, the four side walls rise from the bottom wall 11 at a right angle. However, the present invention is not limited to this, and the bottom wall 11 can be used as long as it can achieve the intended purpose of the present invention. You can stand up at any angle.

  In the above embodiment, the first fold line L1 is a mountain fold line, and the second fold line L2 is a valley fold line. However, the first fold line L1 is a valley fold line, and the second fold line L2 is a mountain fold line. Also good. With this configuration, a recess is formed in the bottom wall portion 11 of the box 10 by the first surface 11a and the second surface 18, and a finger can be hung on the recess. As a result, the box 10 can be easily held. is there.

  In the above embodiment, the fourth fold line L4 is formed so as not to be on the extended line of the second crease line SL2, but if the second fold line L4 can express the effect of being easily carried, the second fold line L4 is formed. It is allowed to be formed on an extension line of the ruled line SL2.

DESCRIPTION OF SYMBOLS 10 Box 10B Blank sheet 11 Bottom wall part 12 1st side wall part 13 2nd side wall part 13R Overlapping part 14 Inner wall part 14A Notch part 14P Locking protrusion 15 Handle part 16 Side wall reinforcement part 17 Slit part 20 Article C1 Cut line CL1 1st fold line L1 1st fold line L2 2nd fold line L3 3rd fold line L4 4th fold line SL2 2nd fold line SL3 3rd fold line SL4 4th fold line SL5 5th fold line

Claims (3)

The bottom wall,
A side wall surrounding the bottom wall,
A box having a cut portion and a bent portion, and a handle portion formed from the side wall portion to the bottom wall portion. The cut portion has two cut lines separated from each other,
The bent portion is
Formed between the cut lines,
In the bottom wall portion, a first fold line formed at one end portion of the cut line and extending in a direction intersecting the cut line;
A second fold line that is formed apart from the first fold line and extends in a direction intersecting the cut line in the bottom wall;
A third fold line formed at the other end of the cut line and extending in a direction intersecting the cut line in the side wall;
A fourth fold line formed apart from the third fold line and extending in a direction intersecting the cut line in the side wall portion;
A first surface partitioned by the cut line, the first fold line, and the second fold line;
A second surface partitioned by the cut line, the second fold line, and the fourth fold line;
A third surface partitioned by the cut line, the third fold line, and the fourth fold line;
The folding portion includes the first folding line, the first folding line, and the first surface so that a part of the second surface and the first surface protrude from the bottom wall portion and the third surface enters the side wall portion. The box according to claim 1, wherein the box is bent at a second fold line, the third fold line, and the fourth fold line. A blank sheet of the box according to claim 1 or 2,
A pair of first crease lines parallel to each other;
A pair of second crease lines that are each formed across the handle portion and are orthogonal to the pair of first crease lines;
A bottom wall portion partitioned by the pair of first crease lines, the pair of second crease lines, and a pair of connection lines connecting portions of the pair of second crease lines that straddle the handle portion. When,
A pair of first side wall portions respectively extending from the bottom wall portion via the pair of first crease lines;
A pair of second side wall portions respectively extending from the bottom wall portion via a pair of lines constituted by the pair of second crease lines and the pair of connecting lines;
The pair of handle portions are formed to face each other from at least a pair of the side wall portions to the bottom wall portion of the pair of first side wall portions and the pair of second side wall portions. Blank sheet.