JP2008230670A - Packing box - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a packing box which is capable of omitting any member or any labor during the packing and sealing, easily attaching/detaching a lid, easily taking in/taking out articles, and reducing the cost by the efficient manufacture. <P>SOLUTION: The packing box includes an upper lid part 10 and a lower box part 20 and stores articles therein. Hooking holes 22 are provided in a pair of side walls 21 opposite to each other in the lower box part 20. Resilient projecting piece parts 12 are provided on inner sides of a pair of side walls 11 opposite to each other in the upper lid part 10. The upper lid part 10 is externally housed over the lower box part 20 so as to allow the resilient projecting piece parts 12 to be advanced in the hooking holes 22 and hooked thereto. The resilient projecting piece parts 12 are evacuated from the hooking holes 22 by holding a lower end of the upper lid part 10. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a packaging box.

Conventionally, in a packaging box containing articles, after closing the lid, the packaging box is sealed with an adhesive tape such as paper or cloth, or the packaging box is bundled with a PP band, string, rope, or the like and consolidated and packed.
On the other hand, Japanese Patent Application Laid-Open No. 2006-321538 discloses a box-shaped upper lid having a plurality of coupling holes in an outer peripheral side plate, a barrel having a plurality of assembly holes in opposing side walls, and a plurality of outer peripheral side plates. An assembly type packaging body constituted by an upper open box-shaped lower lid provided with a coupling hole is disclosed in which a joint is opened so that the upper lid can be opened and closed at the upper part of the barrel.
In JP 2007-22605 A and JP 2005-343478 A, a top plate is assembled by inserting an insertion piece of one top plate into an insertion hole of the other top plate. A box is provided.
JP 2006-321538 A JP 2007-22605 A JP 2005-343478 A

In the case of the assembly-type package shown in Patent Document 1, there is a problem that a plurality of joints must be attached and detached to connect the upper lid and the barrel.
In the above-mentioned Patent Document 2 and Patent Document 3, since the insertion piece formed on the top plate is inserted into the insertion hole and can be kept closed, the lid can be easily opened, but can be opened and closed freely. There was a problem as a lid.

  Therefore, an object of the present invention is to provide a packaging box that eliminates the need for members and work in the packaging seal, easily attaches and detaches the lid, easily puts and removes articles, and can reduce costs by efficient production.

In order to achieve the above object, a packaging box of the present invention is a packaging box comprising an upper lid part and a lower box part for accommodating articles therein, and a plurality of latches are provided on a pair of side walls opposed to the lower box part. A hole is provided, and an elastic protruding piece is provided on the inner side of a pair of opposing side walls on the upper lid, and the elastic protruding piece is fitted into the retaining hole by externally fitting the upper lid to the lower box. The elastic protruding piece is configured to be retracted from the hooking hole by moving forward and being hooked and by grasping the lower end of the upper lid portion.
In addition to the above first feature, the packaging box of the present invention has a top cover made of corrugated cardboard, and the elastic protrusions of the top cover are folded back from the lower ends of a pair of side walls opposed to the top cover. The second feature is that it is configured as follows.

According to the packaging box according to claim 1, the packaging box is composed of an upper lid portion and a lower box portion for accommodating articles therein, and a plurality of retaining holes are formed on a pair of side walls opposed to the lower box portion. The upper cover is provided with an elastic protrusion on the inner side of a pair of opposing side walls, and the upper cover is fitted on the lower box so that the elastic protrusion is advanced into the retaining hole. And is configured to be retracted from the retaining hole by gripping the lower end of the upper lid portion,
The elastic projection piece provided in the upper lid part and the retaining hole provided in the lower box part can be locked and sealed by simply fitting the upper lid part to the lower box part. In this case, the upper cover part can be easily removed by holding the lower end of the upper cover part so as to retract the elastic protruding piece part from the retaining hole.
In particular, even with one-touch opening and closing as described above, the upper lid placed on the upper part of the lower box as in conventional packaging can be bound together with the lower box with a PP band, PP string, rope, etc. It becomes unnecessary, packaging can be done quickly, and cost can be reduced by reducing the number of members and producing efficiently. In addition, the detachable upper lid part is useful for repeated use as a packaging box.

Moreover, according to the packaging box of Claim 2, in addition to the effect by the structure of said Claim 1, an upper cover part is comprised with a corrugated cardboard, and the elastic protrusion part of this upper cover part is a pair which an upper cover part opposes. Because it is configured as a folded piece folded from the lower end of the side wall of
The elastic protruding piece can be easily obtained by utilizing the elastic force generated in the folded piece formed by folding the cardboard. By gripping the lower end of the upper lid portion, the elastic protruding piece portion can be retracted from the latching hole at the same time against the elastic biasing force, and automatically applied by the elastic biasing force of the elastic protruding piece portion. Advancing into the hole, it can be in the latched state.

A packaging box according to an embodiment of the present invention will be described with reference to the following drawings.
FIG. 1 is an overall perspective view showing a packaging box according to an embodiment of the present invention, FIG. 2 is a sectional view showing an upper lid portion of the packaging box of the present invention, and FIG. FIG. 4 is an end view for explaining the operation of opening the upper lid part.

  First, referring to FIG. 1, a packaging box according to an embodiment of the present invention includes an upper lid portion 10 and a lower box portion 20.

The upper lid portion 10 has downward side walls 11 formed on its four sides, and is fitted on the opening edge 20a of the lower box portion 20 to form a lid. The material is made of paper or plastic cardboard.
Among the four side walls 11 of the upper lid part 10, an elastic projecting piece part 12 for hooking and fixing to the lower box part 20 is provided inside a pair of side walls 11, 11 opposed in the longitudinal direction.

The lower box portion 20 is formed in a rectangular box made of paper or plastic cardboard. The upper lid portion 10 is configured to be externally fitted to an opening edge 20 a that is an upper portion of the lower box portion 20.
The lower box portion 20 is configured to be slightly longer than the distance between the pair of opposing side walls 11, 11 of the upper lid portion 10, that is, the longitudinal dimension of the upper lid portion 10. Thereby, a space S (see FIG. 4) described later is formed between the lower box portion 20 and the upper lid portion 10. This space S is configured only between the upper lid portion 10 and the lower lid portion 20 in the longitudinal direction.

The lower box part 20 is provided with a hooking hole 22 for hooking the elastic protruding piece part 12 of the upper lid part 10 on a pair of side walls 21, 21 opposed in the longitudinal direction.
Further, a side wall lacking portion 23 is provided at the center of the pair of side walls 21, 21 of the lower box portion.

The side wall lacking portion 23 is provided as a receiving groove that can smoothly receive and accommodate the shaft of the roll body in the lower box portion 20.
The side wall lacking portion 23 is formed by forming a width and a depth at least so that a hand can be inserted through the center position of the pair of side walls 21, 21.
When attaching and detaching the upper lid portion 10, a hand H is inserted into the side wall lacking portion 23, and the lower ends 11 a of the pair of side walls 11 of the upper lid portion 10 are gripped by the hand H. By doing so, the hand H can be inserted without being in the way of hitting the pair of side walls 21 of the lower box portion 20, and can be firmly grasped and detached.
In the present embodiment, the lower box portion 20 is a packing lower box that accommodates a roll body. However, in a generally used rectangular packing box, the width and depth are such that a hand can be inserted into the center of the side wall. By forming the side wall lacking portion, the hand can be inserted without the lower box getting in the way, and the upper lid can be easily attached and detached.

  Referring also to FIG. 2, the elastic protruding piece 12 is configured as a folded piece formed by folding back from the lower ends 11 a of the pair of side walls 11, and is provided at two positions on the gripping piece 12 a and its upper side. And the latching piece 12b. The latching piece 12b specifically corresponds to the latching hole 22.

The gripping piece 12a is in a state in which a restoring force in the folding direction, that is, an elastic force, is applied by folding the pair of side walls 11 of the upper lid portion 10 from the lower end 11a. Therefore, the gripping piece 12a is held in a state of being folded at a predetermined angle θ with respect to the side wall 11 in a folded state. When the operator grips the lower ends 11a of the pair of side walls 11 of the upper lid 10, the gripping pieces 12a are held together, thereby reducing the angle θ with the side walls 11. On the other hand, when the operator releases the lower end 11 a of the side wall 11, the angle θ with respect to the reduced side wall 11 returns to the original angle.
The gripping piece 12 a is configured such that its lateral dimension has a wide range over a region including the central portion of the lower end 11 a of the side wall 11 of the upper lid portion 10. Of course, the gripping piece 12a may be configured with a width extending over the entire length of the lower end 11a of the side wall 11.
By widening the width of the gripping piece 12a in this way, when the operator grips the lower end 11a of the side wall 11 of the upper lid portion 10, the gripping piece 12a is always held together, and the gripping piece 12a The folding angle θ is reduced.

The hooking piece 12b is configured as a protruding piece protruding from two places on the upper side of the gripping piece 12a. The pair of latching pieces 12 b are engaged with the latching holes 22 of the lower box part 20, so that the upper lid part 10 cannot be detached from the lower box part 20. In addition, in this embodiment, although the latching piece 12b is comprised in two places in the holding piece 12a, it is not limited to this, It can comprise in 1 thru | or several places.
The dimensions from the bottom side of the gripping piece 12a to the tip 12c of the latching piece 12b are the vertical dimension of the side wall 11 of the upper lid part 10, the angle θ of folding of the gripping piece 12a, and the latching hole 22 of the lower box part 20. In relation to the position, the latching piece 12b enters the latching hole 22, but the degree of penetration is adjusted so that the tip 12c of the latching piece 12b contacts the upper side of the latching hole 22 as shallowly as possible. I do. By configuring the latching piece 12b so as to be shallowly inserted into the latching hole 22, when the operator removes the upper lid part 10 from the lower box part 20, the latching piece 12b is easily escaped from the latching hole 22. be able to.

With reference to FIG. 3, the case where the said upper cover part 10 is fitted to the lower box part 20 is demonstrated.
Now, as shown in the left diagram of FIG. 3, when the upper lid portion 10 is put on the lower box portion 20 and lowered, the elastic projection piece portion 12 has its folding angle θ reduced against its elastic biasing force. In this state, the tip 12c of the elastic protruding piece 12 (hanging piece 12b) descends while abutting against the side surface of the side wall 11 of the lower box portion 20.
When the upper lid part 10 is almost completely covered with the lower box part 20 (the right figure in FIG. 3), the tip 12c of the elastic protrusion part 12 (the hooking piece 12b) is the hooking hole 22 of the lower box part 20. And the tip 12c advances into the latching hole 22 by the urging force of the elastic projecting piece 12 and is latched to each other. In this state, the upper lid portion 10 is fitted (externally fitted) to the lower box portion 20 and cannot be removed.

Next, with reference to FIG. 4, the case where the upper cover part 10 is opened is demonstrated.
When opening the lid, the operator holds the lower end 11 a of the pair of side walls 11 of the upper lid portion 10 with the hand H. At this time, a finger enters the space S between the pair of side walls 11 of the upper lid part 10 and the pair of side walls 21 of the lower box part 20, and grips the gripping pieces 12a of the elastic protruding piece part 12 together. It will be. That is, when an operation of gripping the lower end of the upper lid portion 10 is performed, the gripping portion 12a of the elastic protruding piece portion 12 is simultaneously gripped by the operation. As a result, the elastic projecting piece 12 is reduced in angle θ against its urging force, so that the latching piece 12b is retracted from the latching hole 22 and the latching is released. Therefore, the operator can open the upper lid portion 10 without performing a special manual operation or the like by lifting the upper lid portion 10 as it is.

With the configuration as described above, the packing box of the present invention can be obtained by merely fitting the upper lid portion 10 to the lower box portion 20, so that the elastic protruding piece portion 12 of the upper lid portion 10 and the latching hole of the lower box portion 20 are provided. 22, the lid is not opened even if the upper lid portion 10 is lifted, and the lower box portion 20 is hooked and fixed to hold the sealed state.
Thus, the upper lid portion 10 does not come off without binding with a PP band, string, rope, or the like, which has been performed in conventional packaging, and the items inside the box can be protected to prevent dirt and the like.
Further, when the lid is opened, the operator only holds the lower end 11 a of the side wall 11 of the upper lid portion 10, so that the latching state between the elastic protruding piece portion 12 (the latching piece 12 b) and the latching hole 22 is achieved. At the same time, the top lid 10 can be removed as it is, so the lid can be opened very easily and easily, and it is very easy to load and unload articles without having to untie the straps and bands. Can take. Of course, it is a useful thing that can be used repeatedly as a packing box.

It is a whole perspective view which shows the packaging box which concerns on embodiment of this invention. It is sectional drawing which shows the principal part of the packaging box which concerns on embodiment of this invention. It is an end view explaining the operation | movement which makes an upper cover part fit on a lower box part, and latches. It is an end view explaining the operation | movement which opens an upper cover part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Upper cover part 11 Side wall 11a Lower end 12 Elastic protrusion part 12a Grasping piece 12b Latching piece 12c Tip 20 Lower box part 20a Opening edge 21 Side wall 22 Latching hole 23 Side wall lacking part S Space H Hand θ Angle

Claims (2)

  A packaging box comprising an upper lid portion and a lower box portion for storing articles therein, wherein the lower box portion is provided with a hooking hole in a pair of opposing side walls, and the upper lid portion is provided with a pair of opposing side walls. An elastic projection piece is provided on the inner side, and the upper lid portion is externally fitted to the lower box portion so that the elastic projection piece portion extends into the latching hole and is latched, and the upper lid portion A packaging box, wherein the elastic protruding piece portion is retracted from the retaining hole by gripping the lower end of the container.   2. The packaging according to claim 1, wherein the upper lid portion is formed of cardboard, and the elastic protruding piece portion of the upper lid portion is formed as a folded piece folded back from the lower ends of a pair of opposing side walls of the upper lid portion. box.

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