CN212220810U - High-strength sealing-free inner and outer coaming packaging box - Google Patents

Abstract

The utility model discloses a high-strength sealing-free packing box with inner and outer enclosing plates, wherein the plane expansion structure of the packing box comprises an integrally formed outer bottom plate, a first middle side plate and a second middle side plate; the upper side of the outer bottom plate is sequentially connected with a first outer side plate, a third outer side plate, a second outer side plate and a fourth outer side plate through pressing lines; the first inner side plate, the third inner side plate, the second inner side plate and the fourth inner side plate are correspondingly connected with each other one by one; the lower side of the fourth outer side plate is connected with an inner bottom plate; a first hand hole and a second hand hole are respectively formed on the corresponding side plates; one side of the first outer side plate, which is far away from the third outer side plate, is connected with a combination piece through pressing lines; the packaging box formed by adopting the structure is of a multilayer structure, has good strength and bearing capacity, and is not easy to tear and damage from a hand hole when the packaging box is lifted; meanwhile, the wider thickness is formed at the hand hole, the contact area is increased, the pressure is smaller when the object is lifted, the hand can not be cut and the palm can not be pressed, the hand hole is designed in a non-injury way, and the human engineering is met.

Description

High-strength sealing-free inner and outer coaming packaging box

Technical Field

The utility model relates to carton packing technical field, concretely relates to inside and outside bounding wall packing carton is exempted from to seal by high strength.

Background

The paper packaging box has the advantages of light weight, portability, low manufacturing cost and exquisite printing, and can be widely applied to packaging, storing and transporting articles in various industries. However, the packaging box is usually formed by folding and adhering paper boards, if the adhesive tape is used, the adhesive tape is sometimes left outside, the attractiveness of the packaging box is affected, and the glue is scattered everywhere by using the adhesive tape in the adhering process, so that much inconvenience is brought to the life of people.

For example, in 2017, a Chinese utility model patent (publication number: CN205952544U) discloses a planar folding packing box, which comprises an upper box surface, a lower box surface, a left box surface, a right box surface, a box bottom and a hand bag, wherein each part of the packing box can be combined by folding, so that the messiness and the unattractive appearance in the adhering process are reduced, but the paper box is of a single-layer structure, the strength is not high, and the hand bag is required to be connected, so that the packing box cannot be integrally formed.

Disclosure of Invention

The utility model aims at the problem that prior art exists, provide a high strength and exempt from to seal inside and outside bounding wall packing carton, can integrated into one piece, make things convenient for the structure that multilayer high strength was proclaimed oneself under the condition that artifical transport did not hinder the hand, satisfy transportation, storage and transport requirement.

In order to achieve the above object, the utility model adopts the following technical scheme:

a high-strength seal-free packing box with inner and outer enclosing plates is characterized in that a plane unfolding structure of the packing box comprises an outer bottom plate, wherein two sides of the outer bottom plate are connected with a first middle side plate and a second middle side plate through pressing lines; the upper side of the outer bottom plate is sequentially connected with a first outer side plate, a third outer side plate, a second outer side plate and a fourth outer side plate through pressing lines; the upper sides of the first outer side plate, the third outer side plate, the second outer side plate and the fourth outer side plate are connected with a first inner side plate, a third inner side plate, a second inner side plate and a fourth inner side plate in a one-to-one correspondence mode through tooth cutter lines in sequence; gaps are arranged among the first inner side plate, the third inner side plate, the second inner side plate and the fourth inner side plate; the lower side line of the fourth outer side plate is connected with an inner bottom plate; the first outer side plate, the first middle side plate and the first inner side plate are provided with first hand holes at corresponding positions; second hand holes are formed in corresponding positions of the second outer side plate, the second middle side plate and the second inner side plate; and a side line pressing of the first outer side plate far away from the third outer side plate is connected with a combination piece.

The packaging box is made of corrugated paper, and when the packaging box is used and assembled, the method is as follows:

the first middle side plate and the second middle side plate are folded and erected along the pressing line respectively and are vertical to the outer bottom plate;

the third outer side plate is folded upwards along the pressing line to be vertical to the outer bottom plate, and the first middle side plate and the second middle side plate are also just vertical to the third outer side plate;

folding the first outer side panel, the third outer side panel, the second outer side panel, the fourth outer side panel and the inner bottom panel along the pressing line respectively; placing the inner bottom plate on the outer bottom plate, and enclosing the periphery to form a frame shape with an upward opening; the first middle side plate corresponds to and is parallel to the first outer side plate, and the second middle side plate corresponds to and is parallel to the second outer side plate;

folding the first inner side plate, the third inner side plate, the second inner side plate and the fourth inner side plate inwards along the serrated knife lines respectively so as to enable the first inner side plate, the third inner side plate, the second inner side plate and the fourth inner side plate to correspond to and be parallel to the first middle side plate, the third outer side plate, the second middle side plate and the fourth outer side plate respectively; at the moment, the first hand holes and the second hand holes on the side plates are respectively in one-to-one correspondence, so that the three-dimensional structure of the packing box is formed;

folding the combination piece along the pressing line, and inserting the combination piece between the fourth inner side plate and the fourth outer side plate to complete combination to form a complete three-dimensional box body structure;

the sequence of the steps of folding to form the three-dimensional box structure can be properly adjusted, and is not limited to the sequence.

The packing box formed by adopting the structure can integrally form a reasonable inner-outer layer structure, so that the packing box has higher strength; the first outer (middle and inner) side plate with the first hand hole and the second outer (middle and inner) side plate with the second hand hole are of three-layer structures, so that the strength is better, the bearing capacity is better, and the packaging box is not easy to tear and damage from the hand holes when being lifted; meanwhile, the wider thickness is formed at the hand hole, the contact area is increased, the pressure is smaller when the weight is lifted, the hand can not be cut and pressed, the hand hole is designed in a hand-free manner, and the hand hole accords with human engineering.

The line pressing, the serrated knife lines and the gaps are arranged so as to be convenient for accurate folding to form a box body structure.

The combination piece can be combined at last, and a self-sealing structure can be formed by utilizing the mutual fit and clamping of the side plates.

Furthermore, the short side of the first middle side plate corresponds to the long side of the first outer side plate and is arranged in a disconnected mode; the short edge of the second middle side plate corresponds to the long edge of the second outer side plate and is arranged in a disconnected mode; the outer bottom plate and the third outer side plate are correspondingly connected in a pressing line mode.

Further, the first hand holes on the first outer side plate and the first inner side plate are symmetrically arranged on the serrated knife line; the second hand holes on the second outer side plate and the second inner side plate are also symmetrically arranged with the serrated knife line. After being folded, the first hand holes on the first outer (middle and inner) side plate can correspond to the second hand holes on the second outer (middle and inner) side plate.

Furthermore, the first hand hole and the second hand hole are both trapezoidal, and a round hole is formed in one side close to the long side of each trapezoid. The trapezoidal hand hole is arranged to facilitate the palm to extend into the lifting box body; the round holes are convenient to position and observe, and correspond to each other and are on the same axis when being folded and formed.

Further, the distance between the gaps is larger than the thickness of the packaging box. The provision of a gap ensures that the edges do not interfere when folded inwardly, taking into account that the dimensions of the inner side will be slightly smaller than those of the outer side.

Further, the width of the serrated knife line is equal to or slightly larger than the thickness of the packaging box.

Further, the combination piece is bonded with the fourth outer side plate or the fourth inner side plate in a glue brushing mode. The bonding sheets can also be connected in an adhesive mode, so that the connection strength is further improved.

Furthermore, the plane unfolding structure of the packing box is folded along the serrated knife lines and the pressing lines to form a three-dimensional box body structure with an upper opening.

Furthermore, the plane unfolding structure of the packaging box is integrally formed. The packing box adopting the structure arrangement can be formed in a one-time plane without additionally increasing a complex inner-outer layer structure.

Furthermore, arc-shaped grooves are formed in one sides, away from the pressing line, of the inner bottom plate, the first inner side plate, the third inner side plate, the second inner side plate and the fourth inner side plate.

The material of the packing box can be paperboard, corrugated paper, single powder paper, embossed paper, patterned paper and the like.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the packaging box formed by adopting the structure can be integrally formed in one plane, and is folded to form a reasonable inner-layer structure and a reasonable outer-layer structure, so that the packaging box is higher in strength; 2. the first outer (middle and inner) side plate with the first hand hole and the second outer (middle and inner) side plate with the second hand hole are of three-layer structures, so that the strength is better, the bearing capacity is better, and the packaging box is not easy to tear and damage from the hand holes when being lifted; 3. the wider thickness is formed at the hand hole, the contact area is increased, the pressure is smaller when the weight is lifted, the hand can not be cut and pressed, the hand hole is designed in a hand-free manner, and the hand hole accords with human engineering.

Drawings

FIG. 1 is a schematic plan view of a high-strength sealing-free packaging box with inner and outer enclosing plates;

FIG. 2 is a schematic perspective view of a high-strength sealing-free packaging box with inner and outer panels according to the present invention;

in the figure: 1. an outer base plate; 2. a first middle side plate; 3. a second middle side plate; 4. a first outer panel; 5. a third outer panel; 6. a second exterior plate; 7. a fourth exterior side panel; 8. a first inner side panel; 9. a third inner side plate; 10. a second inner side panel; 11. a fourth inner side plate; 12. an inner bottom plate; 13. a bonding pad; 14. pressing the wire; 15. a serrated knife line; 16. a gap; 17. a first hand hole; 18. a second hand hole; 19. a circular hole; 20. an arc-shaped groove.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "in", "up", "down", "left", "right", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 and 2, a high-strength sealing-free inner and outer enclosing plate packaging box, a plane unfolding structure of which comprises an outer bottom plate 1, wherein two sides of the outer bottom plate 1 are connected with a first middle side plate 2 and a second middle side plate 3 through pressing lines 14; a first outer side plate 4, a third outer side plate 5, a second outer side plate 6 and a fourth outer side plate 7 are sequentially connected with the upper part of the outer bottom plate 1 from left to right through pressing lines; the upper sides of the first outer side plate 4, the third outer side plate 5, the second outer side plate 6 and the fourth outer side plate 7 are sequentially connected with a first inner side plate 8, a third inner side plate 9, a second inner side plate 10 and a fourth inner side plate 11 in a one-to-one correspondence manner through serrated lines 15; gaps 16 are arranged among the first inner side plate 8, the third inner side plate 9, the second inner side plate 10 and the fourth inner side plate 11; the lower side line of the fourth outer side plate 7 is connected with an inner bottom plate 12; the first outer side plate 4, the first middle side plate 2 and the first inner side plate 8 are provided with first hand holes 17 at corresponding positions; second hand holes 18 are formed in corresponding positions on the second outer side plate 6, the second middle side plate 3 and the second inner side plate 10; the side line of the first outer side plate 4 far away from the third outer side plate 5 is connected with a combination piece 13.

Furthermore, the short side of the first middle side plate 2 corresponds to the long side of the first outer side plate 4 and is arranged in a disconnected mode; the short side of the second middle side plate 3 corresponds to the long side of the second outer side plate 6 and is arranged in a disconnected mode; the outer bottom plate 1 corresponds to the third outer side plate 5 and is connected with the third outer side plate through pressing lines.

Further, the first hand holes 17 on the first outer side plate 4 and the first inner side plate 8 are symmetrically arranged on the serrated line 15; the second hand holes 18 of the second outer side panel 6 and the second inner side panel 10 are also arranged symmetrically about the serrated line 15. After being folded, the first hand holes on the first outer (middle and inner) side plate can correspond to the second hand holes on the second outer (middle and inner) side plate.

Further, the first hand hole 17 and the second hand hole 18 are both trapezoidal, and a round hole 19 is disposed on one side close to the long side of the trapezoid. The trapezoidal hand hole is arranged to facilitate the palm to extend into the lifting box body; the round holes 19 are arranged for positioning and observation, and when the folding forming is carried out, the round holes 19 are corresponding and are arranged on an axis.

Further, the spacing of the gaps 16 is greater than the thickness of the package. The provision of a gap ensures that the edges do not interfere when folded inwardly, taking into account that the dimensions of the inner side will be slightly smaller than those of the outer side.

Further, the width of the serrated knife line 15 is equal to the thickness of the packing box.

Further, the planar unfolding structure of the packing box is folded along the serrated knife lines 15 and the pressing lines 14 to form a three-dimensional box body structure with an upper opening.

Furthermore, the plane unfolding structure of the packaging box is integrally formed. The packing box adopting the structure arrangement can be formed in a one-time plane without additionally increasing a complex inner-outer layer structure.

Further, arc-shaped grooves 20 are formed in one sides, away from the pressing line 14, of the inner bottom plate 12, the first inner side plate 8, the third inner side plate 9, the second inner side plate 10 and the fourth inner side plate 11. The arcuate groove 20 facilitates insertion of a finger.

When the packaging box is assembled to form a three-dimensional structure, at least one method is as follows:

the first middle side plate 2 and the second middle side plate 3 are respectively folded and erected along the pressing line 14 and are vertical to the outer bottom plate 1;

the third outer side plate 5 is folded upwards along the pressing line to be vertical to the outer bottom plate 1, and the first middle side plate 2 and the second middle side plate 3 are also just vertical to the third outer side plate 5;

folding the first outer side panel 4, the third outer side panel 5, the second outer side panel 6, the fourth outer side panel 7 and the inner bottom panel 12 along the pressing line, respectively; placing the folded inner bottom plate 12 on the outer bottom plate 1, and enclosing the periphery to form a frame shape with an upward opening; at this time, the first middle side plate 2 corresponds to and is parallel to the first outer side plate 4, the second middle side plate 3 corresponds to and is parallel to the second outer side plate 6, and the third outer side plate 5 corresponds to and is parallel to the fourth outer side plate 7;

the first inner side plate 8, the third inner side plate 9, the second inner side plate 10 and the fourth inner side plate 11 are folded inwards along the serrated knife line 15 respectively so as to be respectively corresponding to and parallel to the first middle side plate 2, the third outer side plate 5, the second middle side plate 3 and the fourth outer side plate 7; at this time, the first hand holes 17 and the second hand holes 18 on the side plates are respectively in one-to-one correspondence to form a three-dimensional structure of the packaging box;

then, folding the combination piece 13 along the pressing line, and inserting the combination piece between the fourth inner side plate 11 and the fourth outer side plate 7 to complete combination to form a complete three-dimensional box body structure;

the packing box formed by adopting the structure can integrally form a reasonable inner-outer layer structure, so that the packing box has higher strength; the first outer (middle and inner) side plate with the first hand hole 17 and the second outer (middle and inner) side plate with the second hand hole 18 are of three-layer structures, so that the strength is better, the bearing capacity is better, and the packaging box is not easy to tear and damage from the hand holes when being lifted; meanwhile, the wider thickness is formed at the hand hole, the contact area is increased, the pressure is smaller when the weight is lifted, the hand can not be cut and pressed, the hand hole is designed in a hand-free manner, and the hand hole accords with human engineering.

The pressing line 14, the serrated knife line 15 and the gap 16 are arranged to facilitate accurate folding to form a box structure.

The joining piece 13 can be finally joined, and a self-sealing structure can be formed by fitting and engaging the side plates with each other.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A high-strength seal-free packaging box with inner and outer enclosing plates is characterized in that a plane unfolding structure of the packaging box comprises an outer bottom plate, wherein two sides of the outer bottom plate are connected with a first middle side plate and a second middle side plate through pressing lines; the upper side of the outer bottom plate is sequentially connected with a first outer side plate, a third outer side plate, a second outer side plate and a fourth outer side plate through pressing lines; the upper sides of the first outer side plate, the third outer side plate, the second outer side plate and the fourth outer side plate are connected with a first inner side plate, a third inner side plate, a second inner side plate and a fourth inner side plate in a one-to-one correspondence mode through tooth cutter lines in sequence; gaps are arranged among the first inner side plate, the third inner side plate, the second inner side plate and the fourth inner side plate; the lower side line of the fourth outer side plate is connected with an inner bottom plate; the first outer side plate, the first middle side plate and the first inner side plate are provided with first hand holes at corresponding positions; second hand holes are formed in corresponding positions of the second outer side plate, the second middle side plate and the second inner side plate; and a side line pressing of the first outer side plate far away from the third outer side plate is connected with a combination piece.

2. A high strength seal-free inner and outer peripheral plate packaging box as claimed in claim 1, wherein the short side of the first middle side plate is arranged to correspond to and be broken from the long side of the first outer side plate; the short edge of the second middle side plate corresponds to the long edge of the second outer side plate and is arranged in a disconnected mode; the outer bottom plate and the third outer side plate are correspondingly connected in a pressing line mode.

3. A high strength seal-free inner and outer peripheral panel package as claimed in claim 1, wherein said first hand apertures in said first outer side panel and said first inner side panel are symmetrically disposed about said serrated knife line; the second hand holes on the second outer side plate and the second inner side plate are also symmetrically arranged with the serrated knife line.

4. The high strength seal-free inside and outside gusset packaging box of claim 1, wherein the first hand hole and the second hand hole are both trapezoidal, and a round hole is provided at a side close to a long side of the trapezoidal.

5. A high strength seal-free inner and outer peripheral plate package as claimed in claim 1, wherein the gap spacing is greater than the package thickness.

6. A high strength seal-free inside and outside gusset package of claim 1, wherein the width of the serrated line is equal to or greater than the thickness of the package.

7. A high strength seal-free inner and outer peripheral plate packaging box as claimed in claim 1, wherein the bonding sheet is bonded to the fourth outer side plate or the fourth inner side plate by means of glue.

8. A high strength seal-free inside and outside gusset package as claimed in claim 1, wherein the planar unfolding structure of the package is folded along the serrated knife lines and the press lines to form a three-dimensional box structure with an open top.

9. A high strength seal-free inner and outer peripheral plate package as claimed in claim 1, wherein the planar development of the package is integrally formed.

10. The high strength seal-free inner and outer peripheral plate package of claim 1, wherein the inner bottom panel, the first inner side panel, the third inner side panel, the second inner side panel and the fourth inner side panel are each provided with an arcuate groove on a side thereof remote from the press line.

Images