KR101340429B1 - Cover assembly of packing box - Google Patents

Abstract

The present invention relates to a cover assembly for a packing box with enhanced structure to assemble conveniently. The present invention reduces distribution costs with minimized volume in transportation, prevents a cover from being accidentally separated from a box body, and facilitates the separation and discharge of the cover in recycling. The present invention provides the cover assembly for a packing box comprising a top plate part and coupling brackets. The top plate part covers the opened top of the boxy body and has cut holes positioned at the corners corresponding to the inner surface of the edges of the box body. Each coupling bracket comprises: a top wall for covering the top of the edges of the top plate; an outer wall protruding downward from the outer circumference of the bottom of the top wall to cover the outer circumference of the edges of the top plate part and the box body; and an inner wall protruding downward from the inner circumference of the bottom of the top wall and penetrating the cut holes of the top plate part to cover the inner circumference of the box body.

Description

Cover assembly of packing box

The present invention relates to a cover assembly for selectively opening and closing the open top of the packaging box, more specifically, the manufacturing and assembly can be made easily, while maintaining the correct assembly state, the volume during transportation It relates to a new type of packaging box cover assembly that can be minimized.

In general, the packaging box is a product that is used for the purpose of storing various products or preventing shock damage that may occur during transportation of the product, and providing ease of transportation.

The packing box is made of various shapes, internal structures, and materials according to the purpose of use or the type of the product, and when the product is a large-capacity cargo, the packing box can be easily transported, It should be constructed so that distortion is prevented.

For this reason, the conventional packing box for storing cargo mainly covers the open upper and lower surfaces of the box body made of a rectangular cylinder whose upper and lower surfaces are opened with a cover, wherein each circumferential wall of the box body has a predetermined thickness. In addition to being formed into a flat plate having a separate reinforcement structure in the corner portion of the box body and the circumference of the cover to further reduce the deformation of the corner portion as possible. In this regard, it is as disclosed in Korean Patent Publication No. 10-0553960.

In particular, the cover of the packing box according to the prior art described above forms an outer wall having a predetermined height along the circumference of the rectangular upper plate to surround a portion of the upper surface of the upper plate and at the same time surrounds the outer circumference of each circumferential wall of the box body. It is formed so as to enable stable support even when two or more packaging boxes are stacked on each other.

However, the cover of the packaging box according to the prior art described above is a stacker (tacker) or a stitcher (stacking the overlapping portion between the top plate and the outer wall in a state in which the operation for the integration between the top plate and the outer wall exactly match the coupling position between the top plate and the outer wall ( There is a problem that the work is difficult, as it is made of a fixed type such as a stitcher).

In particular, when the outer wall is formed of a material different from that of the upper plate, there is an inconvenience that a separation operation between the outer wall and the upper plate must be additionally performed during separation and discharge for recycling.

In addition, the cover of the packaging box according to the prior art described above is provided with the outer wall having a predetermined height in a state in which the upper plate is integrally fixed, so that during the transportation of the plurality of lids are stacked with each other crushed or, Along with the concern that damage such as rupture may occur, the storage volume is inevitably increased as much as the height of the outer wall, which further has a problem due to an increase in logistics costs.

In addition, the cover of the packaging box according to the prior art described above also has a problem that the unwanted separation of the cover can be caused as it is formed only by the structure surrounding the outer peripheral wall of the box body.

The present invention has been made to solve the various problems according to the prior art described above, the object of the present invention is to minimize the volume during transport to reduce the logistics cost, and can be prevented from being separated from the box body undesired. In addition, the present invention provides a lid assembly for a packaging box according to a new form that can be easily separated and discharged during recycling.

According to the lid assembly for the packing box of the present invention for achieving the above object, in the packing box having a box body consisting of an open top surface, the box body of each corner portion while covering the open top surface of the box body Each position corresponding to the inner surface of the corner side of the upper plate portion is formed through the incision hole respectively formed along the shape of the corner; And, the upper wall covering the upper surface of each corner side of the upper plate portion, the outer side of the upper side of the bottom wall formed around the bottom of the outer wall and the outer side surrounding the collectively surrounding the corner side peripheral surface and the corner side outer peripheral surface of the box body And a coupling bracket formed with a wall and an inner wall formed to protrude downwardly from the inner circumference of the bottom of the upper wall and penetrate the cutout of the upper plate to surround the inner circumferential surface of the box body.

Here, each circumferential portion except for the corner portion of the upper plate portion is characterized in that the foldable folding end is formed to protrude outward to surround a portion of the outer surface of the box body.

In addition, each folding end formed in the upper plate portion is characterized in that it is formed to have a left and right width enough to be partially wrapped by the outer wall of the coupling bracket.

In addition, the inner circumference of the upper wall constituting the coupling bracket is characterized in that it is made to cover the periphery of the portion where the cut-out hole formed in the upper plate portion while extending further outward from the protruding forming portion of the inner wall.

In addition, at least one portion of the inner surface of the outer wall constituting the coupling bracket or the outer surface of the inner wall further protrudes toward the box body located between the outer wall and the inner wall, and at least one press-in protrusion is pressed into the wall of the box body. Characterized in that formed.

In addition, the indentation protrusion is characterized in that it is formed in an inclined structure gradually protrudes inwardly toward the top.

In addition, the upper surface of the upper wall forming the coupling bracket is characterized in that the uneven portion of the uneven structure is further formed.

In addition, the upper edge of the coupling bracket is formed so as to protrude upwards, characterized in that the position guide jaw surrounding the lower edge side of the box body constituting the packaging box to be loaded on the upper side when loading the other packaging box is further formed.

As described above, the cover assembly according to the present invention can be assembled without performing a separate tacker or stitcher work and can maintain the shape in the assembled state, thereby The assembly of the cover assembly has an effect that can be made easily and easily.

In addition, since a tacker operation or a stitcher operation is not performed, separate discharge between the upper plate and the coupling bracket for recycling may be easily performed.

In addition, the cover assembly according to the present invention may be transported or stored in a state in which the upper plate portion and the coupling bracket are separated, and in this case, the upper plate portion may be maintained in a fully unfolded flat state, thereby increasing the volume during transportation and storage. In addition to being able to minimize the risk of damage, such as crushing or rupture of the fixed portion can be prevented, thereby reducing the logistics cost has the effect that can be achieved.

In addition, the cover assembly according to the present invention has an effect that the sliding of the packaging box located on the upper side can be stably prevented even if a plurality of packaging boxes are stacked by forming an uneven portion on the upper surface of the upper wall.

In addition, since the cover assembly according to the present invention is made of a structure surrounding the inner and outer surfaces of the box body can maintain a stable coupling with the box body, and furthermore the coupling with the box body by the additional provision of the indentation protrusion more stable. It also has an effect that can be maintained.

1 is an exploded perspective view illustrating a coupling structure between a cover assembly for a packing box and a box body according to a preferred embodiment of the present invention;
Figure 2 is a perspective view showing a coupling structure for explaining the coupling structure between the lid assembly and the box body for a packaging box according to an embodiment of the present invention
3 is a plan view illustrating the top plate of the lid assembly for a packing box according to a preferred embodiment of the present invention;
Figure 4 is a bottom view showing to illustrate the coupling bracket of the cover assembly for the packaging box according to an embodiment of the present invention
Figure 5 is an enlarged cross-sectional view of the main portion shown to explain the coupling structure between the lid assembly and the box body for a packaging box according to an embodiment of the present invention
6 is a cross-sectional view taken along line II of FIG. 2.
Figure 7 is an enlarged cross-sectional view showing the main portion to explain the coupling structure between the lid assembly and the box body for a packaging box according to another embodiment of the present invention
Figure 8 is an enlarged cross-sectional view showing the main portion shown to explain the structure of the lid assembly for the packaging box according to another embodiment of the present invention
9 is a perspective view illustrating a coupling structure between a packaging box cover assembly and a box body according to another embodiment of the present invention;

Hereinafter, a preferred embodiment of the lid assembly for a packaging box of the present invention will be described in more detail with reference to FIGS. 1 to 9.

Prior to the description of the embodiment, the lid assembly 200 for the packaging box of the present invention is a product for selectively opening and closing the open upper surface of the box body 100 constituting the packaging box.

1 and 2 show the disassembled and coupled states of a lid assembly 200 for a packaging box according to a preferred embodiment of the present invention.

According to this, the cover assembly 200 for the packing box according to the embodiment of the present invention comprises a large upper plate 210 and the coupling bracket 220, in particular, the coupling bracket 220 is a part of the upper plate ( While being installed to penetrate 210, it is characterized in that formed to surround the inner and outer surfaces of the upper end of the box body 100 collectively.

This will be described in more detail below for each configuration.

First, the upper plate portion 210 is a portion covering the open upper surface of the box body 100 forming the packaging box.

The left and right widths and the front and rear widths of the upper plate portion 210 are formed in the same manner as the left and right widths and the front and rear widths of the box body 100 and are provided in a flat shape while being placed on the upper surface of the box body 100.

In particular, in each position corresponding to the inner side of the corner side of the box body 100 of each corner portion of the upper plate portion 210 is formed through the incision hole 211 along the shape of the corresponding corner. At this time, the cutting hole 211 is provided as a site for the coupling of the coupling bracket 220 to be described later.

In addition, the embodiment of the present invention is characterized in that the folding end 212 is further formed on each circumferential portion except for the edge portion of the upper plate portion 210, respectively.

The folding end 212 is formed to be folded so as to surround a portion of the outer side of the upper side of the box body 100 as well as protruding outwardly formed on each circumferential portion of the upper plate portion 210 as shown in FIG. That is, when the individual storage or transport, or when providing for assembling the packaging box, the upper plate portion 210 to achieve the folded end (212) in an unfolded state by reducing the overall thickness as possible to minimize the storage space and logistics costs Minimization is achieved.

In addition, the folding end 212 is formed to have a left and right width enough to be partially wrapped by the outer wall 222 of the coupling bracket 220 to be described later, which is formed at each corner of the upper plate portion 210. The distance between both ends of the folding end 212 can be made longer than the distance between the cut holes 211 formed.

On the other hand, the top plate 210 may be formed of various materials according to the purpose of the packaging box, such as paper material, resin material, or metal material.

Next, the coupling bracket 220 is configured to form a corner portion of the cover assembly 200 according to an embodiment of the present invention and serves to couple the upper plate portion 210 to the box body 100. Configuration.

In particular, the coupling bracket 220 according to the embodiment of the present invention is the box body while forming a box structure in which the upper plate portion 210 is opened to the bottom even without performing a separate tacker (stacker) or stitcher (stitcher) operation It is possible to stably cover the open upper surface of the (100), and in addition to the reinforcement of the strength of the edge portion of the cover assembly 200 to provide a structure to grip the upper edge portion of the box body 100 with a zoom It also serves to achieve a more stable state of the box body 100 and coupled to it.

The coupling bracket 220 includes an upper wall 221, an outer wall 222, and an inner wall 223.

Here, the upper wall 221 is a portion covering the upper surface of each corner side of the upper plate portion 210, the outer wall 222 is a corner side peripheral surface of the upper plate portion 210 and the upper end of the box body 100 It is a portion surrounding the outer peripheral surface of the corner collectively, the inner wall 223 is a portion surrounding the inner peripheral surface of the upper corner of the box body (100).

In particular, the outer wall 222 is formed to protrude downward from the outer periphery of the bottom of the upper wall 221, the inner wall 223 is spaced apart from the outer wall 222 the upper wall 221 Protruding downward from the inner circumference of the bottom of the bottom surface is formed to penetrate through the cut hole 211 of the upper portion (210).

In this case, the separation distance between the outer wall 222 and the inner wall 223 is formed to correspond to the thickness of the wall surface formed by the box body 100, the box body between the outer wall 222 and the inner wall 223. 100 is made to be accommodated.

In addition, the inner circumference of the upper wall 221 constituting the coupling bracket 220 extends further outward from the protruding portion of the inner wall 223, and the periphery of the portion where the cut-out hole 211 of the upper plate portion 210 is formed. Make sure you cover it. Through this structure, the vertical load concentrated on the inner wall 223 may be distributed around the cutout 211 of the upper plate portion 210 when other packing boxes or pallets are placed on the upper surface of the cover assembly 200. As a result, damage due to concentration of the load into the cutting hole 211 may be prevented. This is as shown in FIG. 4 attached.

In addition, the inner wall 223 constituting the coupling bracket 220 is preferably shorter than the length of the upper wall 221 and the outer wall 222. That is, in the case of the inner wall 223, the length of the inner wall 223 is formed to be as short as possible, considering that the inner wall 223 is related to the incision length of the incision hole 211 formed in the upper plate portion 210. This is because the incision length can be formed as short as possible, and through this, the site where the incision hole 211 is formed can prevent the bending to the bottom as much as possible.

Of course, the inner wall 223 is formed to have a length enough to stably support the inner surface of the box body 100 while being in contact with the inner surface of the box body 100 while minimizing the incision length of the incision hole 211. In this embodiment of the present invention, the length of the inner wall 223 is shorter than that of the outer wall 222, but longer than half of the length of the outer wall 222. For example.

In addition, in the embodiment of the present invention as shown in Figure 5 and 6 attached to the inner surface of the outer wall 222 constituting the coupling bracket 220 is characterized in that the one or more indentation protrusion 224 is further formed do. Of course, although not shown, the indentation protrusion 224 may be formed on the inner wall 223 constituting the coupling bracket 220, or may be formed on both the outer wall 222 and the inner wall 223.

The indentation protrusion 224 protrudes toward the box body 100 positioned between the outer wall 222 and the inner wall 223 to be press-fitted to the wall surface of the box body 100 so that the cover assembly 200 and the box body are provided. It serves to make the coupling between the 100 more firmly. That is, the cover assembly 200 is prevented from being unintentionally separated from the box body 100 due to the indentation protrusion 224.

Such indentation protrusion 224 is preferably formed in an inclined structure gradually protrudes inwardly toward the upper, through this process of coupling the coupling bracket 220 to the box body 100 can be made smoothly while the coupling bracket ( Undesired separation from the box body 100 can be prevented as much as possible.

In this case, the indentation protrusion 224 may be molded in various ways according to the material of the coupling bracket 220, for example, when the coupling bracket 220 is a metal, the indentation protrusion 224 of the outer wall 222 It is preferable to form by lancing the specific portion, and when the coupling bracket 220 is made of a resin, the indentation protrusion 224 is preferably to be formed together during the injection molding of the coupling bracket 220.

On the other hand, the coupling bracket 220 may be formed of a variety of materials according to the purpose of the packaging box, such as a paper material or a resin material, or a metal material, the shape of the resin material that can be easily molded through injection Most preferably.

In the following, the process of coupling the lid assembly 200 to the box body 100 according to an embodiment of the present invention of the above-described structure will be described in more detail.

First, the cover assembly 200 according to the embodiment of the present invention is provided in a separate state where the first upper plate portion 210 and the coupling bracket 220 are separated from each other, wherein each folding end 212 of the upper plate portion 210 is provided. Are all provided in an expanded state. That is, the plurality of top plates 210 are provided while all the folding ends 212 are in a state in which they are folded, and the coupling bracket 220 is provided separately from the top plate 210.

Next, the upper plate portion 210 and the coupling bracket 220 provided as described above, the upper plate portion 210 is placed on the open upper surface of the box body 100, each folding end 212 formed in the upper plate portion 210 Is folded toward the circumferential surface of the box body 100.

In this case, the folding end 212 need only be folded so as to be easily folded along the folding area, rather than being folded to maintain a completely folded state.

When the above process is completed, the coupling bracket 220 is coupled to each corner of the upper plate 210.

At this time, the coupling bracket 220 allows its inner wall to penetrate the cut-out hole 211 formed in each corner portion of the upper plate portion 210, and its outer wall is a peripheral surface of each corner of the upper plate portion 210 and the box The upper wall 221 thereof is in close contact with the upper surface of the upper plate portion 210 while wrapping the peripheral surface of each corner of the body 100 collectively.

As a result, the upper edge portion of the box body 100 is accommodated between the inner wall 223 and the outer wall 222 of the coupling bracket 220 and held by the inner wall 223 and the outer wall 222. State is achieved.

In particular, considering that the indentation protrusion 224 is formed on the inner surface of the outer wall 222 of the coupling bracket 220, the coupling bracket 220 is coupled to each corner portion of the upper plate portion 210, respectively. In the process, the indentation protrusion 224 is pressed into each circumferential surface of the box body 100, thereby preventing the cover assembly 200 from being undesired from the box body 100.

In addition, each folding end 212 formed in the upper plate portion 210 in the process of coupling the coupling bracket 220 to each corner portion of the upper plate portion 210 is an outer wall 222 of the coupling bracket 220. In addition to being folded by) and in the state that the coupling of the coupling bracket 220 is completed, each folding end 212 is wrapped in the folded state while surrounding the outer surface of the upper side of the box body (100).

As a result, the assembly of the cover assembly 200 according to the embodiment of the present invention and the operation of coupling the cover assembly 200 to the box body 100 are completed.

Of course, the upper plate portion 210 and the coupling bracket 220 constituting the cover assembly 200 as described above may be coupled to the box body 100 during assembling each other, but the upper plate portion 210 ) And the coupling bracket 220 are bonded to each other to manufacture the cover assembly 200, and then cover the cover assembly 200 thus manufactured to cover the open upper surface of the box body 100 to complete the assembly of the packaging box Of course you can.

On the other hand, in another embodiment of the present invention, as shown in the accompanying Figure 7 further proposes that the concave-convex portion 225 of the concave-convex structure is further formed on the upper surface of the upper wall 221 constituting the coupling bracket 220.

The uneven portion 225 may stack another packing box on the top surface of the cover assembly 200, or stack a pallet (not shown) on which another packing box is placed. Another box on the top of the box, or to prevent slipping of the pallet.

At this time, the concave-convex portion 225 may be formed in a structure in which the hills and valleys are shown as an embodiment, but may also be formed in a concave groove formed in part, as well as embossed structure, various It can be formed into a structure.

If the coupling bracket 220 is formed of a metal material, it may be difficult to form an uneven portion on the upper surface of the upper wall of the coupling bracket.

Accordingly, in another embodiment of the present invention, when the coupling bracket 220 is formed of a metal material, as illustrated in FIGS. 8 and 9, the guide guide jaw (the position guide jaw on the upper edge of the coupling bracket 220) may be used. 226) is further formed.

The location guide jaw 226 protrudes upward from the top edge of the coupling bracket 220 and is formed to wrap around the bottom edge side of the box body forming a packing box loaded on the upper side when the other packing box is loaded. It prevents the flow of the packing box to be loaded on the upper side serves to achieve the state always loaded in place.

In this case, a fastening hole 227 is formed in the position guide jaw 226, and can be fastened by a box body and a bolt of a packing box loaded on the upper side of the coupling bracket 220 through the fastening hole 227. Thus, it is preferable to make the loading between each packaging box more stable.

In addition, the lid assembly 200 of the present invention is not limited to being provided only as a product covering the open upper surface of the box body 100.

That is, when the box body 100 has an open structure as well as a bottom surface, the cover assembly 200 is provided as a product covering both the top surface and the bottom surface of the box body 100 so that the common use is possible.

In addition, the lid assembly 200 of the present invention is not limited to being applied only to the packaging box of the rectangular box structure as in the drawings according to the above-described embodiment.

That is, although not shown, it may be applied to a packaging box of a cylindrical box structure. In this case, the upper plate portion 210 may be formed in a circular shape, and each coupling bracket 220 may have a round structure.

As such, the cover assembly 200 according to the present invention can be assembled without performing a separate tacker (stacker) or stitcher (stitcher) work and can maintain the shape in the assembled state, thereby Due to the advantage that the assembly of the lid assembly 200 can be made easily and easily.

In addition, since the tacker operation or the stitcher operation is not performed, separation and discharge between the upper plate 210 and the coupling bracket 220 for recycling may be easily performed.

In addition, the cover assembly 200 according to the present invention may be transported or stored in a state in which the upper plate portion 210 and the coupling bracket 220 are separated from each other, and the upper plate portion 210 may be completely flat. Since maintenance is possible, the volume during transportation and storage can be minimized, and the risk of damage such as crushing or rupture of the fixing part can be prevented, thereby reducing the logistics cost.

In addition, the lid assembly 200 according to the present invention, by forming the uneven portion 225 on the upper surface of the upper wall 221, even if a plurality of packaging boxes are stacked, it is possible to stably prevent the sliding of the packaging box located at the top Has an advantage.

In addition, since the cover assembly 200 according to the present invention is made of a structure surrounding the inner and outer surfaces of the box body 100 can maintain a stable coupling with the box body 100, and further to the additional provision of the indentation protrusion 224 It also has the advantage that the coupling with the box body 100 can be maintained more stable.

100. Box body 200. Cover assembly
210. Top plate 211. Incision hole
212. Folded end 220. Coupling bracket
221. Upper wall 222. External wall
223. Inner wall 224. Indentation protrusion
225. Uneven portion 226. Positioning jaw
227. Fasteners

Claims (8)

In the packaging box having a box body consisting of a cylindrical body with an open top,
Covering the open upper surface of the box body at each position corresponding to the inner surface of the corner side of the box body of each of the top plate portion is formed through the incision hole through the shape of the corresponding corner; And,
An upper wall covering the upper surface of each corner side of the upper plate, an outer wall formed to protrude downwardly from the outer circumference of the bottom of the upper wall, and an outer wall that collectively surrounds the edge-side circumferential surface of the upper plate and the outer-side circumferential surface of the box body; And a coupling bracket formed by protruding downwardly from an inner circumference of the bottom of the upper wall to penetrate the cutout of the upper plate to form an inner wall covering the inner circumference of the box body, respectively. Cover assembly. The method of claim 1,
Each circumferential portion except for the corner portion of the upper plate portion
The cover assembly for the packaging box, characterized in that the foldable folding end is formed to protrude outward to surround a portion of the outer surface of the box body. 3. The method of claim 2,
Each folding end formed on the upper plate portion
The cover assembly for a packaging box, characterized in that formed to have a left and right width enough to be wrapped by the outer wall of the coupling bracket. The method of claim 1,
An inner circumference of the upper wall constituting the coupling bracket extends outwardly from the protruding portion of the inner wall and covers the periphery of the cutout portion of the upper plate. The method of claim 1,
At least one portion of the inner surface of the outer wall or the outer surface of the inner wall constituting the coupling bracket
The cover assembly for the packaging box characterized in that one or more indentation protrusion is further formed to protrude toward the box body located between the outer wall and the inner wall is pressed into the wall of the box body. The method of claim 5, wherein
The indentation protrusion is
Cover assembly for a packaging box, characterized in that formed in an inclined structure that gradually projects inward toward the top. The method of claim 1,
The cover assembly for a packaging box, characterized in that the concave-convex portion of the concave-convex structure is further formed on the upper surface of the upper wall constituting the coupling bracket. The method of claim 1,
The upper edge of the coupling bracket
The cover assembly for the packaging box is characterized in that it is formed to protrude upward and the position guide jaw surrounding the lower edge side of the box body constituting the packaging box that is loaded on the upper side when the other packaging box is loaded.

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