JPS5841126Y2 - cardboard box - Google Patents

Description

[Detailed description of the invention] The present invention relates to a cardboard box, particularly a cardboard box suitable for storing fruits and vegetables as an object to be packaged. To provide a cardboard box that can be quickly and easily filled with.

An embodiment of the present invention will be described in detail below with reference to the drawings.

Fig. 1 shows an exploded view of an example of a cardboard box in which the present invention is implemented, Figs. 2 to 5 show the order of its assembly, and Fig. 6 shows the assembly with the lid held in an almost vertical open state. show.

In FIGS. 1 and 2, the peripheral edges of the bottom 1 are extended to form four outer side walls 2 to 5, and the left and right outer side walls 2 and 3 are extended at both ends. Four inner side wall pieces 6-9 are formed.

A pair of related inner side wall pieces 6, 7 are formed with occlusal notches 10, 11 that can be freely interlocked so as to join them, and the other pair of related inner side wall pieces 8, 9 are dimensioned so that they are not joined and face each other at an appropriate distance.

Further, the upper end of the front outer side wall 4 is extended to form a lid support 12, and both ends of the lid support 12 are extended to form a pair of insertion pieces 13 and 14, respectively. There is.

Retaining portions 15.16 are formed at the lower ends of these insertion pieces 13.14, and these retaining portions 15.16 are engaged with retaining holes 17.18 formed in the bottom portion 1 during assembly. .

The upper end of the rear outer side wall 5 is extended to form a lid 19, and both ends of the lid 19 are extended to form a pair of insertion pieces 20, 21, respectively.

At the ends of these insertion pieces 20.21, lifting notches 22, 23 are formed at the upper ends of the pair of inner side wall pieces 6.7 to hold the lid part 19 in a substantially vertical open state. has been done.

In addition, handle holes 24.2 are provided in the left and right outer side walls 2 and 3, respectively.
5 are formed, and the insertion pieces 20.21 of the lid part 19 are also formed with handle holes 26, 27 which respectively match the handle holes 24, 25 when these insertion pieces are inserted.

Next, a procedure for assembling a cardboard box having such a structure will be explained.

First, from the state shown in FIG. 2, one pair of inner side wall pieces 6,
7 is bent and then the occlusal notches 10 and 11 are engaged to join these inner side wall pieces 6 and 7, and the other pair of inner side wall pieces 8 and 9 are placed facing each other with an interval between them. Bend it as shown in Figure 3 and assemble it as shown in Figure 3.

Then, after vertically bending the front outer side wall part 4,
The insertion pieces 13, 14 and their retaining parts 15, 16 are attached to the bottom 1.
Insert the cover so that it engages with the engagement holes 17 and 18, bend it so that the lid support part 12 is horizontal, and assemble it into the state shown in FIG. 4.

Then, after vertically bending the rear outer side wall portion 5,
The insert pieces 20, 21 have their arcuate ends attached to the outer side wall 2,
3 and the insertion pieces 13 and 14, fold the lid part 19 horizontally, support the front end of the lid part 19 on the lid support part 12, and insert the insertion piece 20. The assembly is completed by aligning the handle holes 26,27 of .21 with the handle holes 24,25 of the outer side walls 2,3.

An intermediate assembly state from FIG. 4 to this completed state is shown in FIG.

However, when opening the lid of such an assembled cardboard box and stuffing the packaged items into it, as shown in FIG.
Without inserting the insertion pieces 20 and 21 of 9, the positive phase notches 22 and 23 are hooked onto the upper ends of the pair of inner side wall pieces 6 and 7 that are removably joined, and the lid part 19 is almost closed. It is kept in a vertical open position.

By holding the lid in the substantially vertical open state in this manner, packing of items to be packaged into the cardboard box can be carried out quickly and easily.

In particular, a corrugated box with this structure is most suitable for packing during assembly line operations.

In other words, when a box with a closed lid comes along during the flow process, it is necessary to open the lid all the way, stuff the packaged items, and then close the lid. Since the structure is such that it can be held quickly, the stuffing work at such times is easy, and the flow stuffing work is further improved.

In addition, this type of cardboard box has a solid structure, so
Especially suitable for storing relatively heavy fruits and vegetables.

In addition, according to the embodiment illustrated here, the insertion piece 13.1
4. Since a means is provided to prevent the engaging portions 15 and 16 from coming out naturally from the engaging holes 17 and 18 of the bottom portion 1, the following will explain the first and seventh to seventh aspects of this slipping prevention means on the insertion piece 14 side. This will be explained with reference to FIG.

FIG. 7 is an enlarged view of part A in FIG. 2 showing the retaining means, FIG. 8 is a diagram showing the shape of the retaining means, and FIG. 9 is a cross-sectional view for explaining its function.

As shown in FIGS. 1 and 7 to 9, a cut 28 defining one end of the retaining hole 18 is made across the bottom 1 and the outer side wall 3, and is spaced apart from the cut 28 by a predetermined distance. Another incision 29 is likewise made across the outer side wall 3 of the bottom 1.

The portion defined by the pair of notches 28 and 29 is pushed into the box after the engagement portion 16 of the insertion piece 14 is engaged with the engagement hole 18 of the bottom portion 1 and locks the retaining portion 30. Form.

Therefore, as shown in FIG. 9, even if the insertion piece 14 tries to return in the direction of the arrow in an arc around the center B due to the reaction force generated by the bending, a part of it is restrained by the retaining part 30. Therefore, the engaging portion 16 will not come out of the engaging hole 18.

This ensures that the assembly of the insertion piece 14, lid support 12 and outer side wall 4 is always maintained in the state shown in FIG. The material will not naturally disintegrate into the state shown in Figure 2, and therefore the packing operation will be further improved.

[Brief explanation of the drawing]

The drawing shows an example of a cardboard box in which the present invention is implemented.
The figure is an exploded view, Figures 2 to 5 are assembled views, Figure 6 is a diagram with the lid open, Figure 7 is an enlarged view of part A in Figure 2 showing the retaining means to prevent natural disassembly, and Figure 8 is an enlarged view of section A in Figure 2. A diagram showing the shape of this retaining means,
FIG. 9 is a sectional view for explaining the effect. 1...Bottom part, 2-5...Outer side wall part,
6-9... Inner side wall piece, 10.11...
・Occlusal notch, 12...Lid support, 13.1
4...Insert piece, 15.16...Retention part, 17.18...Engagement hole, 19...Lid part, 20.21 ...Insert piece, 22, 23...
...Notch for normal phase, 24-27...Handle hole,
28.29... cut, 30... retaining part.

Claims (1)

[Scope of utility model registration request] Extending the peripheral edge of the bottom part 1 are four outer side wall parts 2.3, 4.
．． 5, one of which is a pair of opposing outer side wall portions 2;
.
. A lid part 19 is formed by extending the upper end of the outer side wall part 5 located outside of these inner side wall pieces 6 and 7, and a pair of insertion pieces formed by extending both ends of this lid part. 20. At the end of 21 is the lid part 19.
2. A corrugated cardboard box, characterized in that cutouts 22 and 23 are formed at the upper ends of the pair of jointed inner side wall pieces 6 and 7 so as to maintain the lid in a substantially vertical open state.