KR200494397Y1 - Folding type package box - Google Patents

Abstract

The present invention relates to a packaging box, and more specifically, a packaging box provided in a plate-shaped unfolded state without an adhesive, a stable or an adhesive tape, etc. Only by folding and fitting the connecting piece, the connecting protrusion and the supporting leg formed on the side wall, the bottom plate of the box is separated from the ground by the supporting leg, and the folded state of the box can be maintained by the connecting piece and the connecting protrusion. will be.

Description

Packaging box {Folding type package box}

The present invention relates to a packaging box, and more specifically, a packaging box provided in a plate-shaped unfolded state without an adhesive, a stable or an adhesive tape, etc. Only by folding and fitting the connecting piece, the connecting protrusion and the supporting leg formed on the side wall, the bottom plate of the box is separated from the ground by the supporting leg, and the folded state of the box can be maintained by the connecting piece and the connecting protrusion. will be.

In general, a packaging box is used as a means to contain and protect the contents such as fruit. Such a packaging box is usually provided in the form of a plate made of paper or plastic material. do.

Such a folding packaging box has been proposed in various forms, and as an example, domestic registration patent No. 10-0781612 (registered on November 27, 2007; name: paper packaging box) has four sidewalls deployed in a row, There is provided a packaging box that is assembled while overlapping the bottom formed on one side of each of the side walls. However, in order for the side walls provided on both sides to be connected to each other in such a packaging box, the coupling piece provided at one end must be bonded to the other end, and in addition to the packaging box developed in this bonding process, a separate adhesive, staple or adhesive tape is required. There is discomfort.

Unlike this, domestic registration patent No. 10-1533801 (registration on June 29, 2015; name: folding packaging box), domestic registered utility model No. 20-0390818 (registration on July 15, 2005; name: packaging box) and domestic registration Utility Model No. 20-0472348 (Registered on April 14, 2014; Name: prefabricated cooking container made of paper) has sidewalls deployed in all directions around the bottom plate, and the deployed sidewalls are connected through a coupling piece according to the characteristics of each invention. We provide a packaging box that is bound without a separate tool so that the folded state of the box can be maintained.

Domestic Registered Patent No. 10-0781612 (Registered on November 27, 2007) Domestic Registered Patent No. 10-1533801 (Registered on June 29, 2015) Domestic Registered Utility Model No. 20-0390818 (Registered on Jul. 15, 2005) Domestic Registered Utility Model No. 20-0472348 (Registered on 2014.04.14)

An object of the present invention is to provide a packaging box in which the folded state is maintained by connecting the sidewalls that are connected to the edge end of the bottom plate with the bottom plate as the center, but enriching the technology through the configuration differentiated from the prior art described above. It is to provide a packaging box that can be promoted.

In addition, an object of the present invention is packaging that can maintain freshness by smoothly introducing air into products stored through the spaced bottom plate while being spaced apart from the ground on which the bottom plate of the packaging box in the folded state is supported. It's about offering a treat.

The packaging box of the present invention for achieving the above object is folded along each edge end of the bottom plate and the folded end sequentially formed outward from the edge end to form a side wall having an outer wall, a wall top plate, and an inner wall, and the adjacent side wall A connection piece interposed between the inner walls is provided at a side end of the inner wall so that the connection state between the two is maintained, and a coupling protrusion provided at the outer end of the inner wall is one of the coupling holes formed in the outer wall along the standing direction of the outer wall. Passing through the lower coupling hole, the outer end of the coupling protrusion is hooked and fixed to the upper coupling hole to maintain the folded state of the side wall, and the support legs provided at the outer end of the inner wall support the through hole formed in the outer wall. It is based on a configuration that includes supporting the bottom plate to be spaced apart from the ground by being supported on the ground through the box in a folded state.

In addition, the coupling protrusion, a part of the outer end of the inner wall is formed to protrude and extend in a trapezoidal shape in which the width is narrowed outwardly; And the outer end of the connecting piece is formed to extend, and the middle portion of the extended both ends is composed of a locking piece formed as a protruding side end, the coupling hole, the coupling protrusion can pass through the folded end between the outer wall and the bottom plate a lower coupling hole formed to and an upper coupling hole formed on the outer wall surface so that the protruding side end is supported after the hooking piece of the coupling end that has passed through the lower coupling hole is fitted so that the hooking piece is not separated.

In addition, the support leg, a part of the outer end of the inner wall protrudes outwardly, the leg mandrel is formed to pass through the support through-hole; And the outer end of the mandrel is formed to extend, characterized in that it consists of a leg beam that is fixed to the support through-hole.

In addition, a leg locking hole is formed through at least one of the bottom plate or the outer wall adjacent to the support through hole, and the support leg has an outer end portion of the inner wall that protrudes outward and passes through the support through hole. a leg mandrel having a leg piece and an inward leg piece passing through the leg locking hole by bending and extending the end of the outward leg piece; and a leg beam that is formed to extend from the end of the inward leg piece passing through the leg locking hole and is locked and fixed in the leg locking hole.

In addition, a plurality of ventilation holes are formed at regular intervals in the bottom plate spaced apart from the ground by the support legs, so that air flows smoothly through the ventilation holes.

The present invention is only by folding and fitting the connecting piece, the coupling protrusion, and the supporting leg formed on the side wall of the box developed at the edge end of the box around the bottom plate, and the bottom plate of the box is spaced from the ground by the supporting leg, and the connecting piece and coupling There is an advantage that the folded state of the box can be maintained by the protrusion.

In addition, in the present invention, the bottom plate is spaced apart from the ground by the support legs, and a plurality of ventilation holes are formed through the bottom plate spaced from the ground at regular intervals, so the air flowing between the support legs is accommodated through the ventilation holes of the bottom plate. It has the advantage of helping to maintain the freshness of the product by being smoothly delivered to the product.

1 is an exploded plan view of the present invention.
Figure 2 is a conceptual diagram of the assembly process of the present invention.
3 is a plan perspective view and a bottom perspective view of the assembled state of the present invention.
Figure 4 is a partially enlarged schematic view showing the support state of the present invention support legs using the AA line section of Figure 3 (A).

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. However, since the accompanying drawings show preferred embodiments of the present invention, the scope of the present invention is not limited by these drawings. And even if it is a necessary configuration for carrying out the present invention, a detailed description of the configuration that belongs to the known technology or can be easily implemented by a person skilled in the art from the known technology will be omitted.

As shown in FIGS. 1 to 4 and the present invention packaging box 100, each side wall 2 developed at the edge end around the bottom plate 1 is connected to each other through the connecting piece 3, and the outer wall Each of the side walls 2 composed of the 21 and the wall top plate 22 and the inner wall 23 is maintained in a folded state through the coupling of the coupling protrusion 4 and the coupling hole T1, and assembled in this folded state. In the box 100, the support legs 5 provided on the inner wall 23 penetrate the support through-hole T2 formed in the outer wall 21 and are supported on the ground so that the bottom plate 1 of the box 100 is It is configured to be spaced apart from the ground.

The bottom plate 1 may be configured in a polygonal shape, and is preferably formed in a square or rectangular shape. Hereinafter, in the description through the drawings, it will be described based on a rectangular shape. As shown in FIG. 1 , the side wall 2 is formed at the ends of the long side and the short side of the rectangular bottom plate 1 so that it can be folded and erected through a fold line (L). In the development view of FIG. 1 , a broken line indicates a fold line L, and a solid line displayed inside the box 100 other than the boundary indicates a perforation line.

In addition, a plurality of ventilation holes may be formed in the bottom plate 1 at regular intervals. One of the features of the present invention is that the support leg 5 is supported on the ground so that the bottom plate 1 is spaced apart from the ground. It can be delivered to the inside of the box 100 to help maintain the freshness of the contents accommodated in the box 100 .

As shown in FIG. 1 , the side wall 2 is provided in a state in which an outer wall 21 , a wall top plate 22 , and an inner wall 23 are sequentially and continuously connected toward the outside with respect to the bottom plate 1 . At this time, a fold line L is formed at the boundary end between the outer wall 21 and the bottom plate 1 , and similarly, the boundary end between the outer wall 21 and the wall top plate 22 and the wall A fold line L is also formed at the boundary between the upper plate 22 and the inner wall 23 .

As described above, the side wall 2 composed of the outer wall 21, the wall top plate 22 and the inner wall 23 is sequentially directed toward the bottom plate 1 in the inward direction along the fold line L formed on each boundary surface. folded into In the process of folding the side wall 2, each side wall 2 is organically connected to the other side wall 2 adjacent to each other so that the connection state needs to be stably maintained. In this way, a connecting piece 3 is provided at the side end of one side wall 2 to maintain a connection state with the other side walls 2 adjacent to each other.

The connecting piece 3 is preferably interposed in the other side wall 2 in which the connecting piece 3 formed at the side end of the one inner wall 23 is folded in the folding process of the other side wall 2 adjacent to it ( 2(C) and 2(D) ), this configuration is continuous between the sidewalls 2 to maintain the connection state between the sidewalls 2 .

Here, the connecting piece 3 may be provided at either side end of the inner wall 23 in the same pattern among both ends in the longitudinal direction or at both ends. 1 shows that the connecting piece 3 is provided at both ends of the inner wall 23 provided on the short side of the rectangular bottom plate 1 . And in FIG. 2, it is shown that the connection piece 3 is provided at both ends of the inner wall 23 provided on the long side of the said bottom piece of rectangular shape. In the present invention, the connecting piece 3 may be configured as shown in FIGS. 1 and 2, and although not shown, the connecting piece 3 is provided on the long side and the short side of the rectangular bottom plate 1 It may be provided on both ends of the inner wall 23 . In addition, the inner wall 23 may be uniformly formed only on either one of both ends of the inner wall 23 .

As described above, the connecting piece 3 may be provided at the side end of the inner wall 23 of the side wall 2, as well as the connecting piece 3 at the side end of the outer wall 21 of the side wall 2, the inner wall ( 23) Even if the configuration is the same as the configuration provided on the side end, the object of the present invention can be achieved.

In other words, in the configuration of the connecting piece 3 of the present invention, the connecting piece 3 provided on one side wall 2 is interposed between the side walls 2 in the folding process of the other side wall 2 adjacent to each other. It is sufficient if the configuration that can be configured to be able to be continuously connected between the side walls (2).

As described above, if it is possible to maintain the connected state between the sidewalls 2 by the connecting piece 3, the maintenance of the folded state of each sidewall 2 is performed with the engaging protrusion 4 and the engaging This is achieved by coupling and fixing the pieces 42 . In other words, the side wall 2 is configured by folding the outer wall 21, the wall top plate 22 and the inner wall 23, and maintaining the folded state of the side wall 2 is the inner wall ( 23) through the lower coupling hole T12 among the coupling holes T1 formed in the outer wall 21 along the standing direction of the outer wall 21 in a folded state in which the coupling protrusion 4 provided at the outer end thereof is in a folded state. The locking piece 42, which is the outer end of the coupling protrusion 4, is engaged and fixedly coupled to the upper coupling hole T11.

The coupling protrusion 4 is provided for each inner wall 23 of each side wall 2 . And these coupling protrusions 4 are provided at the outer end of the inner wall 23, preferably provided on both sides of the outer end of the inner wall 23, respectively. In addition, the coupling protrusion 4 provided in the above position preferably includes a connecting piece 41 protruding and extending in a trapezoidal shape in which a part of the outer end of the inner wall 23 is narrowed outward, and the connecting piece ( The outer end of the 41) may be constituted by a locking piece 42 that is formed to extend. Here, the locking piece 42 is integrally extended from the connecting piece 41 , and the middle portions of the extended both ends protrude outward to form the protruding side ends 421 .

The protruding end 421 formed on the engaging piece 42 is for fixing the engaging protrusion 4, and after the entire engaging piece 42 passes through the engaging hole T1, the engaging hole T1. By preventing the protrusion side end 421 passing through the retreat from leaving the coupling hole T1 that has passed, the entire coupling protrusion 4 is locked and fixed on the coupling hole T1. And due to this, the folded state of each side wall 2 is maintained.

In addition, the coupling hole (T1) to which the coupling protrusion (4) is coupled is composed of a lower coupling hole (T12) and an upper coupling hole (T11). First, the lower coupling hole (T12) is preferably formed to allow the coupling protrusion (4) to pass through the fold line (L) between the outer wall (21) and the bottom plate (1). And the upper coupling hole (T11) is preferably after the engaging piece 42 of the coupling end passing through the lower coupling hole (T12) is fitted, the protruding side end 421 is supported so that the engaging piece 42 is separated It is formed on the outer wall surface so as not to be disturbed.

As described above, by the coupling of the coupling protrusion 4 and the coupling hole T1, the outer wall 21, the wall top plate 22 and the inner wall 23 are continuously maintained in a folded state. Each side wall 2 is a connecting piece ( By 3), the side walls 2 on all sides are connected to each other to complete the packaging box 100 . The packaging box 100 configured in this way has a supporting leg 5 and a supporting through-hole T2 coupled to the supporting leg 5 so that the bottom plate 1 is spaced apart from the ground.

At this time, the support leg 5 is formed to protrude from the outer end of the inner wall 23 and penetrates the support through hole T2 formed in the outer wall 21 to be supported on the ground, in this case the support leg 5 Preferably, a part of the central portion of the outer end of the inner wall 23 is integrally formed.

Preferably, as shown in Fig. 4a, the support leg 5 is a leg mandrel 51 in which a part of the central portion of the outer end of the inner wall 23 protrudes outwardly to pass through the support through hole T2. And, the outer end of the leg mandrel 51 is formed to extend, and consists of a leg beam 52 that is fixed to the support through-hole (T2).

The leg mandrel 51 is preferably formed in a shape similar to that of the connecting piece 41 . In other words, a portion of the outer end of the inner wall 23 may protrude and extend in a trapezoidal shape in which the width is narrowed outward. In addition, the leg mandrel 51 is formed in the same trapezoid as the connecting piece 41, but the shape may be opposite to that of the connecting piece 41, or may be formed in a polygonal shape such as a square or rectangular shape.

In addition, the bridge beam 52 may form a protruding side end 521 by protruding outwardly from the middle portion of both ends extending from the end of the leg mandrel 51 , similarly to the locking piece 42 .

And, as shown in FIG. 4B , the leg mandrel 51 of the support leg 5 may be divided into an outward leg piece 511 and an inward leg piece 512 . Preferably, the outward leg piece 511 is formed such that a portion of the outer end of the inner wall 23 protrudes outwardly and passes through the support through hole T2. In addition, one end of the inward leg piece 512, which is the end of the outward leg piece 511, is bent, and the other end extending from the end is formed to pass through the leg locking hole T3.

In addition, as shown in FIG. 4C , the leg mandrel 51 may further include a ground contact piece 513 in contact with the ground between the outward leg piece 511 and the inward leg piece 512 .

On the other hand, the support through-hole T2 is formed in the outer wall 21, preferably formed under the outer wall, or on the fold line L between the bottom plate 1 and the outer wall 21 can be formed in In addition, since the support through-hole T2 is formed in connection with the leg engaging hole T3 to be described later, it should be installed in consideration of the relationship with the leg engaging hole T3.

In addition, the support through-hole T2 formed on the fold line L may be formed to be biased toward either one of the bottom plate 1 and the outer wall 21 . For example, based on the side wall 2 having a configuration in which the wall top plate 22 constituting the side wall 2 is folded horizontally with the ground, the support through hole T2 is formed to be biased toward the bottom plate 1 . , the wall top plate 22 is inclined to the inside of the box 100 . In addition, when the support through-hole (T2) is formed to be biased toward the outer wall (21), the wall top plate (22) is inclined to the outside of the box (100).

The leg locking hole T3 is the leg beam 52 protruding from the leg mandrel 51 of the support leg 5 passes through, and the protruding side ends 521 formed on both sides of the leg beam 52 are caught and fixed. As a result, the protruding end 521 of the leg beam 52 is caught and fixed, whereby the entire support leg 5 is fixed.

The leg locking hole T3 may be formed in at least one of the bottom plate 1 or the outer wall 21 adjacent to the support through hole T2, or the bottom plate 1 and the outer wall It may be formed on the fold line L between (21). Here, since the leg engaging hole T3 is formed in connection with the support through-hole T2, the position of the leg engaging hole T3 should be formed on the premise of the position of the supporting through-hole T2.

When the leg locking hole T3 is formed in the outer wall 21, the outward leg piece 511 is formed above or below the standing direction of the outer wall 21 and exposed through the support through hole T2. and the folded outer surface of the inward leg piece 512 is formed so as to be in contact with the ground.

And when the leg locking hole T3 is formed in the bottom plate 1 , the support through hole T2 is provided on the fold line L between the outer wall 21 and the bottom plate 1 . It is preferable that the leg locking hole T3 is formed on the outer wall 21 to be spaced apart from the fold line L, and the leg locking hole T3 is formed on the fold line L.

As described above, since the leg mandrel 51 of the support leg 5 includes the outward leg piece 511 and the inward leg piece 512 , the magnitude of the load applied to the support leg 5 can be increased. . For comparison, the lower end of the leg beam 52 is in line contact with the ground to support the entire load of the box 100 in the form of a single column, the outward leg piece 511 passing through the support hole T2 and 4B, in which the inward leg piece 512 is folded and the folded portion is in line contact with the ground in a double column shape, and the ground contact piece 513 provided between the outward leg piece 511 and the inward leg piece 512 is In the case of FIG. 4c in contact with the ground, the load applied to the box 100 can be supported even when the load is relatively heavier.

In addition, a plurality of bending lines 513L are formed on the ground contact piece 513 at regular intervals in parallel to the both ends folding line L formed between the outward leg piece 511 and the inward leg piece 512 . The bending line 513L is folded in a zigzag, and a plurality of bending lines 513L bent toward the ground among the folded bending lines 513L are in contact with the ground to support the load applied to the box 100. do.

100: packing box (box) L: fold line
T1: coupling hole T11: upper coupling hole
T12: lower coupling hole T2: support hole
T3: leg jammer
1: Bottom plate 2: Side wall
21: exterior wall 22: wall top plate
23: inner wall 3: connecting piece
4: coupling protrusion 41: connecting piece
42: locking piece 421: protruding side end
5: support leg 51: leg mandrel
511: outward bridge side 512: inward bridge side
513: ground contact piece 513L: bend line
52: bridge beam 521: protruding side end

Claims (6)

Fold along the fold lines sequentially formed outward at each edge end of the bottom plate to form a side wall having an outer wall, an upper wall plate, and an inner wall,
A connection piece interposed between the side walls in the folding process of the side walls is provided at the side end of the side wall so that the connection state between the adjacent side walls is maintained,
The coupling protrusion provided at the outer end of the inner wall passes through the lower coupling hole among the coupling holes formed in the outer wall along the standing direction of the outer wall and catches and fixes the engaging piece, which is the outer end of the coupling protrusion, to the upper coupling hole to fix the side wall maintain the folded state of
A support leg provided at the outer end of the inner wall is supported on the ground through a support through hole formed in the outer wall to support the folded box so that the bottom plate is spaced apart from the ground.
According to claim 1,
The coupling protrusion, a portion of the outer end of the inner wall is formed to protrude and extend in a trapezoidal shape that narrows outward; And the outer end of the connecting piece is formed to extend, and the middle portion of the extended both ends is composed of a locking piece formed as a protruding side end,
The coupling hole may include: a lower coupling hole in which the coupling protrusion is formed to pass through a fold line between the outer wall and the bottom plate; and an upper coupling hole formed on the outer wall surface so that the protruding side end is supported after the engaging piece of the coupling protrusion passing through the lower coupling hole is fitted and the stopping piece is not separated.
According to claim 1,
The support legs may include: a leg mandrel in which a portion of the outer end of the inner wall protrudes outwardly and is formed to pass through the support through hole; and a leg beam having an outer end of the leg mandrel extended and fixed to the support through-hole.
According to claim 1,
At least one of the bottom plate or the outer wall, or a folding line provided between the bottom plate and the outer wall adjacent to the support through hole, a leg locking hole is formed through,
The support leg includes an outward leg piece having a portion of the outer end of the inner wall protruding outward and passing through the support hole, and an inward leg piece having the end of the outward leg piece bent and extended and passing through the leg locking hole. leg mandrel; and a leg beam extending from the end of the inward leg piece passing through the leg locking hole and being fixedly caught in the leg locking hole.
5. The method of claim 4,
A packaging box, characterized in that between the outward leg piece and the inward leg piece is further provided with a ground contact piece folded into contact with the ground.
According to claim 1,
A plurality of ventilation holes are formed at regular intervals in the bottom plate spaced apart from the ground by the support legs, so that air flows smoothly through the ventilation holes.

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