JP2005001731A - Packaging container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent the breakage upon opening and enable the reuse of a packaging box, which comprises two cover members consisting of one having locking holes and the other having folding locking pieces and the folding locking pieces are folded to insert the front ends of the locking pieces into the locking holes and hook the front ends on the edges of the locking holes to couple the two cover members together. <P>SOLUTION: The packaging box is of a quadrilateral box shape, and is composed of the two cover members consisting of a cap member 10 and a base member 20. The cap member keeps the bottom open and is provided with a plurality of the locking holes 12 in counter positions of counter side faces 11A, 11B, respectively. The base member 20 closes the bottom of the cap member 10, and has the folding locking pieces 23 at the position corresponding to that of the locking holes 12, respectively. Upon packaging, each folding locking piece 23 is folded to insert its front end into each locking hole 12 and hook the front end on the edge of the locking hole 12 to couple the cap member 10 and the base member 20 together. A slit 24 is formed in an insertion direction to the locking hole 12 on the folding locking piece 23 to split the locking piece 23. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention includes, for example, image forming apparatuses such as copying machines, printers, facsimiles, and peripheral products such as automatic document reading apparatuses (ADF apparatuses), stapler apparatuses, punching apparatuses, sheet folding apparatuses, and the like attached to the image forming apparatuses. The present invention relates to a packaging box made of corrugated cardboard, which is used to wrap and pack those products when transporting products.
[0002]
[Prior art]
Conventionally, in this type of packaging box, there is a cap member that is a cover member that opens the bottom surface, and another cover member that is connected to the cap member via a flap provided around and closes the bottom surface of the cap member. There are some which consist of a base member.
[0003]
[Patent Document 1] Utility Model Registration No. 2579080 For example, in the packaging box described in Patent Document 1, a product is placed on a base member and covered with a cap member, and the cap member and a flap around the sheet member are attached. It was connected and packaged using a joint member made of resin, which is a separate member.
[0004]
However, since such a packaging box requires a separate joint member, there is a problem that the number of parts increases and the storage management of the parts becomes troublesome. Further, when the separate member is made of a material different from that of the cover member, it must be disposed of separately, which is troublesome.
[0005]
[Patent Document 2] Japanese Patent Application Laid-Open No. 11-171162 In a conventional packing box, for example, as described in Patent Document 2, an arrow-shaped bending mechanism composed of a head and a neck is formed on a flap of a base member. There is also provided a stopper, and the head of the bent locking piece is inserted into the locking hole of the cap member and hooked to the hole edge, and the cap member and the base member are connected and packaged without using a separate member. there were.
[0006]
[Problems to be solved by the invention]
However, in the packaging box described in Patent Document 2, when unpacking, the head of the bending locking piece must be forcibly pulled out from the locking hole of the cap member, When the stopper piece is damaged and reused, there is a problem that the folding stopper piece is not sufficiently latched or, in the worst case, cannot be reused.
[0007]
Accordingly, a first object of the present invention is to form a locking hole on one of the two cover members and a folding locking piece on the other, and bend the folding locking piece during packing and insert the tip into the locking hole. The packaging box connecting the two cover members can be reused without being damaged at the time of unpacking.
[0008]
The second object of the present invention is to ensure the connection between the cap member, which is the two cover members, and the base member in such a packaging box.
[0009]
The third object of the present invention is to improve the workability at the time of unpacking in the packaging box as described above.
[0010]
The fourth object of the present invention is to improve the reliability of packaging by balancing and securely connecting the cap member and the base member in the above-described packaging box having a square box shape.
[0011]
[Means for Solving the Problems]
Therefore, in order to achieve the first object, the invention according to claim 1 forms a locking hole in one of the two cover members and a folding locking piece in the other, and the folding locking piece at the time of packaging. In the packaging box that connects the two cover members, the tip is inserted into the locking hole and hooked on the edge of the hole,
The folding locking piece is provided with a slit in the insertion direction into the locking hole, and the folding locking piece is divided.
[0012]
According to a second aspect of the present invention, in order to achieve the first object, in the packaging box according to the first aspect, the two cover members are separated from the cap member that opens the bottom surface, and the cap member. And a base member that closes the bottom surface of the cap member by connecting via a flap provided on the cap member, and a locking hole is formed in the cap member and a locking piece is formed in the flap of the base member.
[0013]
The invention described in claim 3 is characterized in that, in order to achieve the second object as well, in the packaging box according to claim 2, a regulating piece is provided on the flap so as to be freely inserted into and removed from the slit.
[0014]
The invention described in claim 4 is characterized in that, in order to achieve the third object as well, in the packaging box described in claim 3, a knob portion is provided on the regulating piece.
[0015]
According to a fifth aspect of the present invention, in order to achieve the third object, the packing box according to any one of the second to fourth aspects, wherein a finger is put inside the cap member, It is characterized by providing an opening that can touch the tip of the bending locking piece that is hooked to the edge of the hole.
[0016]
According to a sixth aspect of the present invention, in order to achieve the fourth object, in the packaging box according to any one of the second to fifth aspects, a rectangular box shape is formed, and a base member is provided at each of a plurality of opposed locations on opposite side surfaces. The bent locking piece is hooked on the cap member.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 shows an appearance of a packaging box according to the present invention that is constituted by two cover members.
[0018]
The illustrated packaging box has a rectangular parallelepiped square box shape, and is connected to the cap member 10 as the first cover member that opens the bottom surface, and the cap member 10 via flaps 21A, 21B, 22A, and 22B provided around the cap member 10. The base member 20 is a second cover member that closes the bottom surface of the cap member 10. The cap member 10 and the base member 20 are both made of cardboard in the illustrated example.
[0019]
The cap member 10 is formed with locking holes 12 at two opposing portions of the opposing side surfaces 11A and 11B on the long side, which are spaced apart from each other. As shown in FIG. 2, each of the locking holes 12 has a rectangular shape that is elongated in the lateral direction, and is provided horizontally, and is provided with an elliptical opening 13 in the illustrated example on both sides at a slight interval. The opening 13 has a size that allows one or several fingers to enter deeply.
[0020]
On the other hand, as shown in FIG. 1, the base member 20 has a rectangular sheet shape and has flaps 21A, 21B, 22A, and 22B on four sides. Among them, the flaps 21A and 21B on the long side are formed with bending engagement pieces 23 that protrude from the tip at two opposing locations spaced apart from each other.
[0021]
As shown in FIG. 3, each of the folding locking pieces 23 has an arrow shape, and is composed of a trapezoidal head portion 23a and a neck portion 23b, and a first folding line L1 with respect to the flaps 21A and 21B. Be foldable. The bending locking piece 23 is provided with a slit 24 having a width b in the direction of the arrow (which will be described later, the direction of insertion into the corresponding locking hole 12) in the center, and each bending locking piece 23 is divided into two. .
[0022]
At the position of the slit 24, a regulating piece 25 having a width b is provided so that the flaps 21A and 21B are bent along the second fold line L2 so as to be freely inserted into and removed from the slit 24. The restriction piece 25 is provided with a third fold line L3 in the middle, and the tip 26 can be bent inward leaving the knob portion 26. The third fold line L3 is located on the same straight line as the first fold line L1.
[0023]
In the illustrated example, semicircular cutouts 27 are provided on both sides of the individual folding locking pieces 23 at a slight interval.
[0024]
When packing the product, the product is placed on the base member 20, the flaps 21A, 21B, 22A, and 22B on the four sides are bent upward to cover the cap member 10, and the flaps 22A and 22B on the short side are covered with the cap member. 10 and the long side flaps 21 </ b> A and 21 </ b> B are taken out of the cap member 10.
[0025]
At this time, the respective bending pieces 23 of the base member 20 correspond to the respective locking pieces 12 of the cap member 10, and the respective notches 27 of the base member 20 are formed in the respective openings 13 of the cap member 10. The finger can be inserted into the packaging box from the outside through the notch 27 and the opening 13 at the corresponding position.
[0026]
Then, as shown in FIG. 4, the restriction piece 25 is bent from the slit 24 by bending at the second fold line L2, and each fold locking piece 23 is bent inward by the first fold line L1, and the third The front end of the regulating piece 25 is bent inward along the folding line L3.
[0027]
Then, while escaping both ends of the front end of each folding locking piece 23 inward (to the slit 24 side), as shown by an arrow A, the front end is inserted into the corresponding locking hole 12, and the neck portion 23b is positioned in the locking hole 12. Then, as shown in FIG. 5, the head 23a is hooked on the hole edge. After that, as shown by the arrow B in FIG. 4, it is bent at the second fold line L2, and the regulating piece 25 is inserted into the slit 24, and the knob portion 26 is abutted against the side surfaces 11A and 11B as shown in FIGS. Further, it is possible to prevent the both ends of the bending locking piece 23 from escaping inward (to the slit 24 side), and to ensure the connection between the cap member 10 and the base member 20.
[0028]
As a result, as shown in FIG. 1, the bending locking pieces 23 of the base member 20 are hooked on the cap member 10 at the two facing portions of the facing side surfaces 11A and 11B, respectively, and the cap member 10 and the base member 20 are balanced. And connect securely.
[0029]
At the time of unpacking, first, as shown by an arrow C in FIG. 6, the knob portion 26 is held and bent at the second fold line L 2, and the regulating piece 25 is pulled out from the slit 24. Next, as shown by an arrow D in FIG. 7, a finger is put into the inside of the packing box through the notch 27 and the opening 13 on both sides and the tip of the bending locking piece 23 is pushed, and the bending locking piece 23 is pressed as shown by an arrow E. Both sides of the tip of the sword are bent inward (slit 24 side) to escape, and the hooks of the respective folding locking pieces 23 to the cap member 10 are removed.
[0030]
As described above, when the cap member 10 is provided with the opening 13 and the base member 20 is provided with the notch 27 so that the finger can be put inside the packaging box and touch the tip of the bending locking piece 23, It is possible to easily release the latches of the respective bending locking pieces 23, and in particular, it is possible to improve workability at the time of unpacking.
[0031]
【The invention's effect】
As described above, according to the present invention, the folding locking piece provided on one cover member is folded at the time of packing, and the tip is inserted into the locking hole provided on the other cover member and hooked to the edge of the hole. Since the cover member is connected, the two cover members can be directly connected without using another member such as a resin joint member.
[0032]
In addition, the folding latch piece is provided with a slit in the direction of insertion into the latch hole, and the folding latch piece is divided, so that both ends of the folding latch piece are bent inward (slit side) to escape and open. At the time of packaging, the bent locking piece can be pulled out from the locking hole without being damaged and can be reused.
[0033]
According to the second aspect of the present invention, the two cover members are a cap member that opens the bottom surface, and a base member that is connected to the cap member via a flap provided around the cap member and closes the bottom surface of the cap member. Since it comprises, a cap member and a base member can be directly connected, without using another member. In addition, the cap member is formed with a locking hole and the base member flap is formed with a bent locking piece. When unpacking, the bent locking piece of the base member is pulled out of the locking hole without being damaged and reused. Can be possible.
[0034]
According to the third aspect of the present invention, since the restriction piece is provided on the flap so that it can be inserted into and removed from the slit, the restriction piece is inserted into the slit during packaging and the both ends of the bent locking piece are bent inward (slit side). This can be regulated and the connection between the cap member and the base member can be ensured.
[0035]
According to the fourth aspect of the present invention, since the knob portion is provided on the restriction piece, when unpacking, the restriction piece is easily pulled out from the slit by holding the knob portion, and both ends of the bending locking piece are inside (slit Side) and workability during unpacking can be improved.
[0036]
According to the fifth aspect of the present invention, since the cap member is provided with an opening that allows a finger to be put inside and can be touched to the tip of the bent locking piece latched on the edge of the locking hole, Can insert a finger into the inside through the opening and press the tip of the bending locking piece to allow both ends of the bending locking piece to escape inside (slit side), thereby improving workability.
[0037]
According to the sixth aspect of the present invention, the box member is formed in a square box shape, and the bending locking pieces of the base member are hooked on the cap member at a plurality of facing portions on the opposite side surface, so that the cap member and the base member are balanced. It can be reliably connected to improve the reliability of the packaging.
[Brief description of the drawings]
FIG. 1 is an external perspective view of a packaging box according to the present invention.
FIG. 2 is an enlarged view showing one locking hole of a cap member constituting the packaging box as viewed from the front.
FIG. 3 is an enlarged view showing the periphery of one folding locking piece of a base member constituting the packaging box as viewed from the front.
FIG. 4 is a perspective view for explaining latching of one folding locking piece on the cap member.
5 is a cross-sectional view in the direction of the arrow at the position of line MM in FIG. 6;
6 is a longitudinal sectional view in the direction of the arrow at the position of line NN in FIG. 1;
FIG. 7 is a cross-sectional view around one folding locking piece showing a procedure at the time of unpacking.
[Explanation of symbols]
10 Cap member (cover member)
11A Side surface 11B Side surface 12 Locking hole 13 Opening 20 Base member (cover member)
21A Flap 21B Flap 22A Flap 22B Flap 23 Bending and locking piece 24 Slit 25 Regulating piece 26 Knob part 27 Notch

Claims (6)

A locking hole is formed on one of the two cover members, and a folding locking piece is formed on the other. The folding locking piece is bent at the time of packing, and the tip is inserted into the locking hole to be hooked on the edge of the hole. In a packaging box connecting two cover members,
The packaging box, wherein the bending locking piece is provided with a slit in the insertion direction into the locking hole, and the bending locking piece is divided. The two cover members include a cap member that opens a bottom surface, and a base member that is connected to the cap member via a flap provided around the cap member and closes the bottom surface of the cap member. The packing box according to claim 1, wherein the bending locking piece is formed on a flap of the base member. The packaging box according to claim 2, wherein a restriction piece is provided on the flap so as to be freely inserted into and removed from the slit. The packing box according to claim 3, wherein a knob portion is provided on the restriction piece. 5. The cap member according to any one of claims 2 to 4, wherein the cap member is provided with an opening in which a finger can be put into the cap member and contacted with a tip of the bent locking piece latched on a hole edge of the locking hole. Or the packing box described in 1. The packaging box according to any one of claims 2 to 5, wherein the packaging box is formed in a square box shape, and the bending locking pieces of the base member are hooked on the cap member at a plurality of opposing positions on the opposing side surfaces.

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