JP4468793B2 - Packaging box - Google Patents

Description

  The present invention relates to a packaging box.

  Conventionally, when gift items are stored, a packaging box is used which is composed of a box body having an upper end opening and a lid body having a lower end opening which is separate from the box body. The lid peripheral wall of the lid is sized so that its overall height is the same as or slightly smaller than the overall height of the main body peripheral wall of the box body, and is closed with the top end of the main body peripheral wall of the box body in contact with the top wall of the lid body. The lower end of the box body is configured to be exposed from the lower end edge of the box body.

  However, when the packaging body is opened by removing the lid from the box body, first, a predetermined amount is attached to the lower edge of the lid body in a state where the entire body is gripped with both hands from the bottom wall of the box body to the top wall of the lid body. Put your finger on it. Then, by loosening the force that supports the bottom wall of the box body, the force is relatively moved by the gravity of the box body and the product inside. Alternatively, another finger is applied to the exposed lower part of the peripheral wall of the box body, and each finger is spread. These opening operations are very cumbersome and can cause injury at the edges of the paper if the packaging box is made of paper.

  An object of the present invention is to prevent a user from being injured when the lid is opened in a packaging box in which the box body and the lid are separated.

  In order to solve the above-mentioned problems, the packaging box of the present invention has a polygonal bottom wall, and a double wall structure main body peripheral wall having an outer wall portion and an inner wall portion erected from the outer peripheral edge of the bottom wall. A box main body, a top wall having the same shape as the bottom wall, and a cover peripheral wall standing from an outer peripheral edge of the top wall, and surrounding the outer peripheral portion of the main body peripheral wall by the cover peripheral wall In a packaging box provided with a lid that closes the upper end opening, an engagement hole is provided in an outer wall portion of two body side walls constituting the body peripheral wall of the box body, and corresponds to the body side wall in which the engagement hole is formed. An engaging convex portion corresponding to the engaging hole in the assembled state and extending upward beyond the lower end edge of the engaging hole, and being continuous with the lower end of the engaging convex portion. A grip part that is continuous with the lid side wall through a folding line extending in the lateral direction, and at least the grip part The lower end has a configuration in which a compression section that compresses the wall thickness.

  In the packaging box of the present invention, the gripping part provided on the lid is gripped and operated upward while the packaging box is not lifted but placed on a desk or table. Thereby, a holding part can be bent along a fold line and the engaging convex part which followed the holding part can be engaged with the lower end edge of an engaging hole. Therefore, when the operation is performed until the grip portion is positioned above the engagement convex portion, the lid body can be moved upward with respect to the box body by the engagement of the engagement convex portion and the engagement hole. it can. As a result, the peripheral wall of the box body is widely exposed from the lower end of the lid.

  In this state, by attaching different fingers so as to straddle the peripheral wall of the main body and the peripheral wall of the lid, by spreading each finger and moving the lid upward, the lid can be easily opened without causing injury to the user. it can. Alternatively, the lid can be easily opened without causing injury to the user by lifting the lid peripheral wall of the lid with both hands. Alternatively, the lid can be opened by lifting it with a finger against the lower edge of the lid peripheral wall of the lid. Thus, in the packaging box of the present invention, it is possible to improve diversity related to the method of opening the lid. In addition, since the lid of the present invention is provided with a compression part that compresses the thickness at the lower end of the gripping part, when the finger is applied to the lower end edge when operating the gripping part as described above The user can be prevented from being injured.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 shows a packaging box according to an embodiment of the present invention. This packaging box closes the upper-end opening of the box main body 10 which accommodates goods with the cover body 30 of the lower end opening which consists of another body. As shown in FIGS. 4 and 5, the box body 10 and the lid body 30 are formed by punching corrugated paper as a single continuous blank with a known paper punching device (not shown). The corrugated paper is a corrugated paper provided with a wavy shin between a pair of front and back sheets.

  Specifically, the blank of the box body 10 includes a bottom wall 11 having a rectangular shape, as shown in FIG. The outer peripheral edge of the bottom wall 11 is continuously provided with main body side walls 12A to 12D having a double wall structure constituting the main body peripheral wall, and a folding line formed by forming a ruled line at the boundary portion so as to compress the wall thickness. 13 is provided. The main body side walls 12A to 12D include an outer wall portion 14A to 14D continuous to the bottom wall 11, an upper end wall portion 15A to 15D continuous to the outer wall portion 14A to 14D, and an inner wall portion 16A continuous to the upper end wall portion 15. -16D, and a folding line 17 similar to the above is provided at each of these boundary portions.

  Among them, the outer wall portions 14A and 14C and the inner wall portions 16A and 16C of the main body side walls 12A and 12C provided on the upper and lower sides are the outer wall portions 14B and 14D and the inner wall portion 16B of the left and right main body side walls 12B and 12D adjacent to both side edges. , 16D, an outer fold portion 18 and an inner fold portion 19 are connected to each other, and a fold line 20 is provided at the boundary portion. Further, a locking groove 21 is formed by providing a substantially L-shaped cutting line at both ends of the inner wall portions 16A and 16C.

  Further, the outer wall portions 14B and 14D of the main body side walls 12B and 12D provided on the left and right are provided with rectangular engagement holes 22 extending upward from a substantially vertical center in the assembled state. Further, the inner wall portions 16B and 16D of the main body side walls 12B and 12D are provided with a semi-circular finger notch 23 at the center of the tip edge, and the locking grooves in the assembled state on both side edges of the tip. A locking projection 24 that locks to 21 is provided.

  The blank of the box body 10 punched out in this manner is formed by sequentially bending the upper and lower wall portions 14A, 14C to 16A, 16C inward along the folding line 17, and then turning each folding portion 18, 19 into the folding line 20. Bend along. Next, the left and right wall portions 14B, 14D to 16B, 16D are sequentially bent inward along the folding line 17 so that the respective folding portions 18 and 19 are wound, and the locking projection portion 24 at the tip is locked into the locking groove 21. As shown in FIG. 1, the main body side walls 12 </ b> A to 12 </ b> D constituting the main body peripheral wall can be assembled from the outer peripheral edge of the bottom wall 11. The lid body 10 in the assembled state is unfolded by releasing the locking between the locking groove 21 and the locking projection 24 by hooking a finger on the finger notch 23 and pulling it upward. Alternatively, the engagement hole 22 is used as a finger insertion hole, and the inner wall portions 16B and 16D are pressed with a finger, so that the engagement between the engagement groove 21 and the engagement projection 24 is released and deployed.

  On the other hand, as shown in FIG. 5, the blank of the lid body 30 includes a top wall 31 having a rectangular shape substantially the same as the outer method of the box body 10. Lid side walls 32 </ b> A to 32 </ b> D constituting the lid peripheral wall are connected to the outer peripheral edge of the ceiling wall 31, and a folding line 33 is provided at the boundary portion. The lid side walls 32 </ b> A to 32 </ b> D are configured so that the lower end edge thereof is substantially the same as or slightly higher than the lower surface of the bottom wall 11 of the box body 10 in the assembled state to the lid body 30.

  Among them, adhesive margins 34 for adhering to the adjacent lid side walls 32B and 32D are connected to both side edges of the upper and lower lid side walls 32A and 32C, and a folding line 35 is provided at the boundary portion. It has been.

  The lid side walls 32B and 32D provided on the left and right sides are provided with an operation portion 36 for facilitating the opening operation of the lid body 30 based on the so-called lever principle. The operation unit 36 includes an engagement convex portion 37 corresponding to the engagement hole 22 of the lid body 30 and a gripping portion 39 continuous with the engagement convex portion 37 in a state where the lid body 30 is assembled to the box body 10. And. The engagement convex portion 37 extends upward beyond the lower end edge of the engagement hole 22 in the assembled state, and an arcuate cutting line 38 having a width larger than the lateral width of the engagement hole 22 is provided. It is formed by. The grip portion 39 is provided with a pair of folding lines 40 extending in the horizontal direction (horizontal) from both ends of the arcuate cutting line 38 and substantially M from each end of the folding lines 40 to the tips of the lid side walls 32B and 32D. By forming the letter-shaped punching portion 41, it is formed in an arc shape between both ends of the folding line 40.

  Furthermore, in this embodiment, as shown with hatching, a plurality of compression portions 42 having a predetermined thickness are provided at the lower end edge of each gripping portion 39 with a predetermined angle. Similarly, a plurality of compression portions 42 having a reduced thickness are provided at the front end edges of the lid side walls 32A to 32D at predetermined intervals. This compression part 42 is formed simultaneously with blank punching by disposing a hard sponge or cork material on an upper mold provided with a cutting blade in, for example, a die cutter type paper device punching apparatus.

  The blank of the lid 30 punched out in this way is a state in which the adhesive margins 34 are bent along the folding line 35, the lid side walls 32 </ b> A to 32 </ b> D are bent along the folding line 33, and the adhesive margin 34. As shown in FIG. 1, as shown in FIG. 1, each lid side wall 32 </ b> A to 32 </ b> D constituting the lid peripheral wall is erected from the outer peripheral edge of the top wall 31. State.

  The packaging box composed of the box body 10 and the lid body 30 encloses the outer peripheral portions of the main body side walls 12A to 12D with the lid side walls 32A to 32D after storing a predetermined product in the box body 10 as in the conventional case. Thus, by covering from the upper side, the upper end opening of the box body 10 is closed with the lid 30 as shown in FIG.

  When removing the lid 30 from the box body 10, the gripping portion 39 of the lid 30 is gripped in a state where it is placed on a desk or table without lifting the packaging box, and the folding line 40 is pivoted. As described above, the grip portion 39 is operated upward so as to be bent outward. Then, as shown in FIG. 2B, the engaging convex portion 37 and the engaging hole 22 are operated by operating until the gripping portion 39 is positioned above the engaging convex portion 37 with the folding line 40 as a fulcrum. The entire lid 30 can be lifted upward by the engagement with.

  Specifically, when the grip portion 39 is operated in the sealed (assembled) state shown in FIG. 3 (A), the engagement convex portion 37 becomes the engagement hole 22 of the box body 10 as shown in FIG. 3 (B). Engage with the lower edge. Thereby, the cover body 30 moves upward with respect to the box main body 10 by the principle of a lever. In this state, the lid side walls 32B and 32D of the lid body 30 located outside the main body side walls 12B and 12D of the box body 10 are bent outward by the elastic force of the corrugated cardboard. The elastic force of the lid side walls 32B and 32D increases until the gripping portion 39 is positioned horizontally, and when the gripping portion 39 is positioned above the engaging convex portion 37 beyond the horizontal position, the lid side walls 32B and 32D are elastic. Therefore, the force required for the operation is reduced because the restoring force is applied. Then, as shown in FIG. 3C, when the rotary operation is performed to a state nearer to the vertical direction than the engagement convex portion 37, the lid side walls 32B and 32D are restored to a state where they are positioned in parallel with the main body side walls 12B and 12D. At the same time, the upward movement of the lid 30 with respect to the box body 10 stops.

  In the state after the operation of the grip portion 39, the body side walls 12A to 12D of the box body 10 are widely exposed from the lower end of the lid 30. Therefore, in this state, the user is injured by attaching different fingers so as to straddle the predetermined main body side walls 12A to 12D and the lid side walls 32A to 32D, spreading each finger and moving the lid 30 upward. The lid 30 can be easily opened without any trouble. Alternatively, the lid 30 can be easily opened without causing injury to the user by lifting both the lid side walls 32A to 32D of the lid with both hands. Alternatively, the lid 30 can be opened by lifting the lid 30 by placing a finger on the lower edge of the lid side walls 32A to 32D.

  Thus, in the packaging box of the present embodiment, the lid 30 can be easily opened simply by operating the grip portion 39. And since the compression part 42 which compressed the thickness was provided in the lower end of the holding | grip part 39 at the time of this operation, even when a finger is applied to the lower end edge, it can suppress injuring a user. Further, in the state after the operation of the grip portion 39, the user can open the lid 30 as desired, and the diversity related to the opening method can be improved. And since the compression part 42 is provided also in lid | cover side wall 32A-32D at the time of this opening operation, even when a finger | toe is applied to the lower end edge of the cover body 30, it can suppress making a user injured.

  In addition, the packaging box of this invention is not limited to the structure of the said embodiment, A various change is possible.

  For example, in the above-described embodiment, the engagement hole 22 is formed in a rectangular shape, and the engagement convex portion 37 is formed in an arc shape. However, these shapes can be changed as desired. Of course, as shown in FIGS. 6A and 6B, the numbers and positions of the engagement holes 22 and the engagement projections 37 can be changed as desired.

  Moreover, in the said embodiment, although the packaging box was formed in the planar view rectangular shape, if the shape is a triangle shape or more and a polygonal shape, it will engage with the engagement hole 22 on the two side walls of the box main body 10 and the cover body 30. By providing the joint protrusion 37, the same operations and effects as described above can be obtained. Furthermore, in the said embodiment, although the compression part 42 formed in the lower end of the holding part 39 and lid side wall 32A-32D in the cover body 30 was provided with predetermined spacing, the lower end of the holding part 39 and lid side wall 32A-32D was provided. You may provide the compression part 42 over the whole edge.

It is a perspective view which shows the packaging box which concerns on embodiment of this invention. (A), (B) is a perspective view which shows opening operation | movement of a cover body. (A), (B), (C) is sectional drawing which shows opening operation | movement of a cover body. It is a top view which shows the blank of a box main body. It is a top view which shows the blank of a cover body. (A), (B) is a top view which shows the modification of a box main body and a cover body.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Box main body 11 ... Bottom wall 12A-12D ... Main body side wall 14A-14D ... Outer wall part 15A-15D ... Upper end wall part 16A-16D ... Inner wall part 22 ... Engagement hole 30 ... Lid body 31 ... Top wall 32A-32D ... Lid side wall 37 ... engaging convex part 39 ... gripping part 40 ... folding line 42 ... compression part

Claims (1)

A box body having a bottom wall having a polygonal shape, and a peripheral wall of a double wall structure having an outer wall portion and an inner wall portion erected from an outer peripheral edge of the bottom wall;
The top wall has the same shape as the bottom wall, and a cover peripheral wall standing from the outer periphery of the top wall. The cover peripheral wall surrounds the outer peripheral portion of the main body peripheral wall and closes the upper end opening of the box main body. In a packaging box with a lid that
An engagement hole is provided in an outer wall portion of two main body side walls constituting the main body peripheral wall of the box main body,
An engagement convex portion corresponding to the engagement hole in the assembled state and extending upward beyond the lower end edge of the engagement hole on the lid side wall of the lid corresponding to the main body side wall in which the engagement hole is formed; A gripping part that is continuous with the lower end of the engagement convex part and is continuous with a side wall of the lid through a folding line extending in the lateral direction; and
A packaging box, characterized in that at least a lower end of the grip portion is provided with a compression portion having a compressed thickness.

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