JPH052437Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Field of Application This invention relates to the improvement of a packaging paper box, particularly a display/packaging paper box with a lid locking device, which is also used as an exhibition/display case at a store.

BACKGROUND ART AND PROBLEMS When this type of packaging paper box is used as a display case at a store, it is required that it be easily visible to consumers. for that,
In general, the lid body or lid plate is raised up, and one end of the lid body is locked to the box body to maintain the raised state, thereby increasing the overall height, and advertising letters and figures are placed on the inside surface of the lid body, etc. etc. are depicted.

However, the above-mentioned packaging paper box is somewhat cumbersome because the operations to open the lid and the operations to lock the lid to the box body are performed separately, and they are not available at mass retailers. Exhibiting many pieces
When displaying, the efficiency of display and display work was poor.

Therefore, as shown in Japanese Utility Model Application Publication No. 61-3219, the box body and the lid body are connected via a hinge edge, and the engaging piece provided on the lid body is connected to the circular ring provided on the box body. A packaging paper box is provided in which the lid body is maintained in an upright state by sliding the arcuate cut and engaging the engaging piece with a locking cut provided at the upper end of the arcuate cut. Proposed.

This packaging paper box is convenient because it allows you to open the lid and lock the lid to the box body at the same time. Because the lid is connected from the left and right edges, as shown in Figure 1, the entire lid expands in the width direction in the unfolded state, resulting in poor tearing and a large amount of parts that must be discarded when cutting. There was a problem that paper materials could not be used effectively.

In addition, since the left and right walls of the lid are connected to the left and right edges of the rear wall, the size of the joint pieces that are connected to the left and right edges of the rear wall of the box body is limited. Another problem is that it is difficult to increase the bonding strength.

This device was created in view of the above-mentioned problems of this invention, and it allows the operation of opening the lid and the operation of locking the lid body to the paper box body in the upright state at the same time, and also allows the paper material to be cut rationally. It is an object of the present invention to provide a display/packaging paper box with a lid locking device that can effectively utilize paper materials.

Means for Solving the Problems In order to achieve the above object, this invention has a paper box main body A with an open top surface, and a paper box main body A that is connected to the rear wall 2 of the paper box main body A through a fold 13. The left and right side walls 11, 1 of the lid B are
A tongue piece 14 projecting forwardly or downwardly is provided at the rear end of the paper box body A, while the left and right side walls 3 of the paper box body A,
An arcuate notch 20 is formed on the rear end of the 4 to allow sliding of the tongue 14 until the tongue 14 is inserted into the lid B and the lid B is in the upright position. In a display/packaging paper box with a locking device for a lid in which a locking notch 21 for locking a tongue piece 14 is continuously carved, the rear wall 1 of the lid B is
0 is connected to the upper edge of the rear wall 2 of the box body via the fold line 13, and the top wall 8 of the lid body B is connected to the upper edge of the rear wall 10 of the lid body via the fold line 31. , a fold line 3 from both left and right edges of the top wall 8
The gist of the present invention is a display/packaging paper box with a lid locking device, characterized in that left and right side walls 11 and 12 are connected via 2 and 33.

Embodiments Hereinafter, this invention will be explained based on illustrated embodiments.

The packaging paper box according to this invention consists of a paper box main body A that serves as a container and has an open top surface, and a lid body B that closes the top opening of the paper box main body A.

In the paper box body A, the front and rear side walls 1 and 2 are formed to have the same height, and the left and right side walls 3 and 4 have a height that is approximately twice the height of the front and rear side walls 1 and 2 from the rear end to the middle part. , is formed in a rounded shape from the middle part of the upper edge to the front edge, and this front edge is at the same height as the front side wall 1. These left and right side walls 3, 4 are joint pieces 5, 6 connected from both ends of the front and rear side walls 1, 2.
It is joined to the front and rear side walls 1 and 2 via. 7 is the bottom wall.

In the lid body B, a rear wall 10 is connected to the upper edge of the rear wall 2 of the box body A via a fold 13, and a tongue piece 1 projecting forward is provided at the lower end of the rear end of the left and right side walls 11, 12.
4 is provided protrudingly. The front wall 9 of the lid B is connected to the front wall 1 of the paper box body A via a two-ply gripping piece 15 that projects forward from the upper edge of the front wall 1 of the paper box body A. It is joined to the top wall 8 of the lid B via a joining piece 16, and to the left and right side walls 11, 12 through joining pieces 17, 17 which are connected from both left and right end edges. The gripping piece 15 is connected to the front wall 1 of the paper box main body A via a breaking connecting part 19, and by pulling up the gripping piece 15, the connecting part 19 is broken and the front side wall 1 of the lid body B is opened. The side wall 9 and the front wall 1 of the paper box body A are separated. 18 is the rear wall 10
It is an engagement piece that is continuously provided from the left and right side edges of the.

Further, at the rear end portions of the left and right side walls 3 and 4 of the paper box body A, a rear wall 10 of the lid body B and a rear side wall 2 of the paper box body A are provided.
Arc-shaped notches 20 are cut centering on both ends of the fold line 13 between. The notch 20 is for allowing the tongue piece 14 to slide until the lid body B reaches the upright state, restricting the range of movement of the tongue piece 14, and preventing the lid body B from falling backward. A small-diameter arc-shaped locking notch 21 is continuously carved on the upper end thereof,
When the lid B is placed in the upright position, the upper end of the tongue piece 14 is engaged with the tongue piece 14 to hold the lid B in the upright position. 22 is an arcuate cut 20
The locking notch 2 is continuously carved on the lower end of the
A small-diameter cut similar to 1, 23 is a small-diameter cut carved from the base end of the tongue piece 14 to the left and right side walls 11, 12, both near the arc-shaped cut 20 and the tongue piece 14 inward. It is provided to allow easy bending. 24 is gripping piece 1
This is a through hole drilled in the center of 5 for hanging display.

The paper box having the above structure is assembled from the unfolded state shown in FIG.
5 and 15 are folded in half from the crease, and the front walls 1 and 9 are overlapped and pasted together. Next, the top wall 8 and rear wall 10 of the lid body B are connected to the bottom wall 7 of the paper box body A.
and the rear side wall 2 so as to overlap each other.
3 and join the joining piece 16 to the back surface of the top wall 8 to make the whole into a flat shape. Then, the front walls 1 and 9 and the rear walls 2 and 10 are bent at right angles to the top wall 8 and the bottom wall 7, and the gripping pieces 15
The whole body has a rectangular tube shape so that it protrudes forward. In this state, both the left and right sides are open, and from this open state, the left side wall 3 of the paper box main body A is raised and joined to the joint pieces 5 and 6 of the front and rear side walls 1 and 2, and the left side of the lid body B is The wall 11 is bent downward, and the tongue piece 14 is inserted into the arc-shaped cut 20 to join the joining pieces 17 and 18 of the front and rear side walls 9 and 10 to the left side wall 11. After storing the product from the right side of the open state, the joint piece 5 connected from the right side wall 4 of the paper box body A and the front and rear side walls 1 and 2 in the same way as before,
6, and while fitting the tongue piece 14 of the lid body B into the arc-shaped cut 20, the right side wall 12 of the lid body B and the joining pieces 17, 18 of the front and rear side walls 9, 10 are joined, and this packaging is completed. Assembly of the paper box is completed.

When displaying and displaying at a store, the breaking connection part 19 is broken to separate the grip piece 15 from the paper box body A, and when the lid body B is raised and closed, the tongue piece 14 is removed. Left and right side walls 3 of paper box body A,
4 and the upper end of the lid B is prevented from falling backward, and the base end of the tongue piece 14 automatically fits into the locking notch 21 to lock the tongue piece 14. Therefore, the opened state of the lid B is maintained.

Effects of the invention This invention is based on the above, and as with the conventional display/packaging paper box with a locking device for the lid, the lid can be opened and the lid can be locked to the paper box body A in the upright position. Not only can this be done all at once, improving the efficiency of display/exhibition work, but also that the rear wall 10 of the lid B is connected to the upper edge of the rear wall 2 of the box body through the fold 13. Rear wall of lid body 1
The top wall 8 of the lid B through the fold line 31 from the upper edge of the
are connected to each other, and the left and right side walls 11 and 1 are connected from the left and right side edges of the top wall 8 through the folds 32 and 32.
2 are connected in series, in the unfolded state, the spread of the lid body B in the width direction is kept to the necessary minimum, and the paper material can be cut rationally and used effectively, reducing costs. This has the effect of contributing to resource saving.

In addition, the left and right side walls 11 and 12 of the lid body B are the top wall 8.
Since it is connected to the left and right side walls 11,
12 and the joint pieces 6, 6 which are connected to both side edges of the rear wall 2 of the box body A can be designed without mutual interference, and by making the joint pieces 6, 6 as large as possible, the box body A This has the advantage that the bonding strength between the side walls of the box body A can be increased and the box body A can be made stronger.

[Brief explanation of drawings]

The drawings show an embodiment of this invention, in which Fig. 1 is an overall perspective view with the lid closed, Fig. 2 is an overall perspective view with the lid open, Fig. 3 is a central vertical sectional view with the lid closed, and Fig. FIG. 4 is a central vertical sectional view with the lid open, and FIG. 5 is a developed view. A... Paper box body, B... Lid body, 2, 10... Rear wall, 3, 11... Left side wall, 4, 12... Right side wall, 8... Top wall, 13, 31, 32, 33... ...Fold, 14...Language, 20...Circular cut, 2
1...Locking notch.

Claims (1)

[Scope of utility model registration request] A paper box body A with an open top surface and this paper box body A
It consists of a lid body B that is continuous from the rear wall 2 through a fold 13, and left and right side walls 11 and 12 of the lid body B.
A tongue piece 14 projecting forwardly or downwardly is provided at the rear end, while the left and right side walls 3, 4 of the paper box main body A
An arc-shaped notch 20 is carved at the rear end portion of the tongue 14 to allow the tongue 14 to slide until the lid B reaches the upright position. In a display and packaging paper box with a locking device for a lid in which a locking notch 21 for locking a piece 14 is continuously carved, the rear wall 10 of the lid B is
is connected to the upper edge of the rear wall 2 of the box body via a fold line 13, and the top wall 8 of the lid body B is connected to the upper edge of the rear wall 10 of the lid body via a fold line 31, A fold line 32 is formed from both left and right edges of the top wall 8,
A display/packaging paper box with a lid locking device, characterized in that left and right side walls 11 and 12 are connected via 33.