阅读说明：本技术 一种结构牢固的纸折包装盒及其成型方法 (Paper-folded packaging box with firm structure and forming method thereof ) 是由 桂银太 袁行东 于 2021-10-09 设计创作，主要内容包括：本发明公开了一种结构牢固的纸折包装盒及其成型方法,其一纸成型而成,包括了盒体与盒盖,其中盒体部分前板与后板通过一对具有锐角缺口的摆襟相互插接而定位,盒体的侧端板通过插舌插接入摆襟上的插接口中进行紧固和连接。盒盖上设置第三襟片部,将前盖的内扣板通过一对第二插接片插接于第三襟片部上的插接口中,在不增加盒盖厚度、高度的情况下保证了盒盖的结构稳定。相比传统的一纸成型纸折包装盒,本发明所公开的一种结构牢固的纸折包装盒成型后连接更为牢固,同时也便于用户进行拆装,更为方便。(The invention discloses a paper-folded packing box with a firm structure and a forming method thereof, wherein the paper-folded packing box is formed by paper forming and comprises a box body and a box cover, wherein a front plate and a rear plate of part of the box body are mutually inserted and positioned through a pair of hems with acute angle notches, and side end plates of the box body are inserted into insertion ports on the hems through insertion tongues for fastening and connecting. The box cover is provided with the third flap part, the inner buckle plate of the front cover is inserted into the insertion port on the third flap part through the pair of second insertion pieces, and the structural stability of the box cover is ensured under the condition that the thickness and the height of the box cover are not increased. Compared with the traditional paper-formed paper-folded packaging box, the paper-folded packaging box with the firm structure disclosed by the invention is more firmly connected after being formed, and is convenient for a user to disassemble and assemble.)

1. The utility model provides a firm in structure's paper folding packing carton which characterized in that includes:

the box body specifically includes:

the box body comprises a bottom plate, a first side end plate and a second side end plate, wherein the bottom plate is a rectangular plate, the left side and the right side of the bottom plate are respectively symmetrically and foldably connected with the first side end plate, the first side end plate comprises a box body side plate, and a first inserting piece is arranged on one side edge of the box body side plate, which is far away from the bottom plate;

the first front plate is connected to the lower side edge of the bottom plate in a folding mode, and the left side and the right side of the first front plate are respectively connected with first flaps in a symmetrical folding mode;

the rear plate is connected to the upper side edge of the bottom plate in a folding mode, the left side and the right side of the rear plate are respectively connected with second flaps in a symmetrical folding mode, and after the box body is formed, the first flaps and the second flaps are connected in a buckling mode;

the lid specifically includes:

the top plate is connected to the upper side edge of the rear plate in a folding mode, and the left side and the right side of the top plate are connected with the second side end plate in a folding mode symmetrically;

a second front panel foldably connected to an upper side of the top panel;

the inner buckling plate is connected to the upper side edge of the second front plate in a folding mode, a pair of symmetrical second insertion pieces are arranged on the upper side edge of the inner buckling plate, and after the box cover is formed, the second insertion pieces are inserted into the third insertion holes and attached to the top plate.

2. The carton according to claim 1, wherein the first flap comprises a first reinforcing portion and a first flap portion, a first fastening opening with an upward opening and an acute angle is formed between the first reinforcing portion and the first flap portion, and a first inserting opening is formed in the reinforcing portion;

the second flap comprises a second reinforcing part and a second flap part, a second buckling port with an upward opening and an acute angle is arranged between the second reinforcing part and the second flap part, a second insertion port is formed in the reinforcing part, the first flap and the second flap are connected in a buckling mode through the first buckling port and the second buckling port, and the first insertion sheet is inserted into the first insertion port and the second insertion port.

3. The structurally sound paper-fold packaging box according to claim 2, wherein a third flap is foldably connected to an upper side of the second side end panel, an upper end of a side edge of the third flap close to the top panel is foldably connected to a third flap portion, and a third inserting port is formed in the third flap portion.

4. A structurally sound paper-fold container according to claim 3, wherein said first reinforcing portion has a right trapezoid shape, and an upper bottom of said first reinforcing portion is closely attached to a side edge of said first side end panel;

the first flap part is arranged at the lower bottom and the bevel edge of the first reinforcing part, and the first flap part is a rectangle extending towards the direction close to the first side end plate.

5. The strong paper-folded packing carton according to claim 4, wherein the second reinforcing part is in a right trapezoid shape, and the lower bottom of the second reinforcing part is tightly attached to the side edge of the first side end plate;

the second flap part is arranged at the lower bottom and the bevel edge of the second reinforcing part, and the second flap part is a rectangle extending towards the direction far away from the first side end plate.

6. A structurally sound paper-fold carton according to claim 5, wherein a lower end of a side of said second flap portion remote from said rear panel is provided with an oblique chamfer.

7. The structurally sound paper-fold carton according to claim 2, wherein the first inserting opening comprises a rectangular first inserting opening portion, and a triangular first sheet opening is formed in a side edge of the first inserting opening portion away from the front plate in an upward direction.

8. The securely-structured paper-folded packing box according to claim 7, wherein the second inserting opening comprises a rectangular second inserting opening portion, and a triangular second sheet lifting opening is formed on a side edge of the second inserting opening portion away from the front plate.

9. The carton according to claim 1, wherein a pair of symmetrical evasion grooves are formed on the upper side edge of the inner buckle plate, and the second insertion piece is connected with the bottom of the evasion groove in a folding manner.

10. A method of forming a strong paper-folded package, comprising a strong paper-folded package according to any one of claims 1 to 7, comprising the steps of:

s1, the first front plate and the rear plate are turned over towards the front by 90 degrees, the first flap is turned over towards the direction of the rear plate by 90 degrees, the second flap is turned over towards the direction of the first front plate by 90 degrees, the first flap is pulled and pressed, the first buckling port and the second buckling port are buckled, the first side end plate is turned over towards the front by 90 degrees, the insertion piece is turned over towards the direction close to the first flap and the second flap by 180 degrees and is inserted into the first insertion port and the second insertion port, and box body forming is completed;

s2, the second side end plate is turned over towards the front by 90 degrees, the third flap part is turned over towards the top plate by 90 degrees, the third swing flap is turned over towards the top plate by 90 degrees and enables the third flap part to be attached to the top plate, the inner buckle plate is turned over towards the front by 90 degrees, the second inserting piece is turned over towards the direction close to the inner buckle plate by 180 degrees, and the second inserting piece is inserted into the third inserting port.

Technical Field

The invention relates to the field of paper-folded packaging boxes, in particular to a paper-folded packaging box with a firm structure and a forming method thereof.

Background

The paper-folding packaging box is widely applied in daily life of people, is usually used as a gift box, a shoe box and a household appliance packaging box, and more paper-folding packaging boxes are formed by folding and forming paper in order to save resources and reduce paper waste.

However, the existing one-piece paper-formed paper-folded packing box has the following problems:

1. when the box body is formed, in order to connect the side end plate, the front plate and the rear plate of the box body, a flap is usually arranged on the front plate and the rear plate, and the flap is folded inwards and inserts the insertion tongue on the side end plate into the gap between the flap and the side end plate. When the paper-folded packing box is used for containing heavier articles, the insertion tongue is easy to be separated, so that the box body is disassembled and the articles are broken.

2. For saving paper materials, the height of the side wall of the box cover is far smaller than that of the side wall of the box body, so that the width of the side end plate of the box cover and the width of the front plate of the box cover are extremely small, and the box cover of the existing paper folding packing box also has the condition of low stability.

Disclosure of Invention

The invention is realized by the following steps:

the utility model provides a firm in structure's paper package box, a paper shaping forms, includes the box body, the box body includes: the bottom plate, the bottom plate is the rectangular plate, the left and right sides of bottom plate respectively the first side end plate of the folding connection of symmetry, first side end plate includes the box body curb plate, the box body curb plate is kept away from set up first inserted sheet on the side of bottom plate. The folding connection of first front bezel in the downside edge of bottom plate, the left and right sides of first front bezel is the folding connection of symmetry respectively has first pendulum front of a garment, first pendulum front of a garment includes first rib and first front of a garment piece portion, first rib and have an opening up and be the first lock mouth of acute angle between the first front of a garment piece portion, set up first interface on the rib. The rear plate is connected to the upper side edge of the bottom plate in a folding mode, the left side and the right side of the rear plate are symmetrically connected with a second flap, the second flap comprises a second reinforcing portion and a second flap portion, a second buckling port with an opening facing upwards and being an acute angle is arranged between the second reinforcing portion and the second flap portion, a second inserting port is formed in the reinforcing portion, the first flap and the second flap are connected through the first buckling port and the second buckling port in a buckling mode, and the first inserting piece is inserted into the first inserting port and the second inserting port. A lid, the lid comprising: the roof, folding connection in the side of going up of back plate, the left and right sides difference symmetrical folding connection second side end plate of roof, the side folding connection that goes up of second side end plate has the third pendulum front of a garment, the third pendulum front of a garment is close to the upper end folding connection third front of a garment piece portion of a side of roof, set up the third interface on the third front of a garment piece portion. A second front panel foldably connected to the upper side edge of the top panel. The inner buckling plate is connected to the upper side edge of the second front plate in a folding mode, a pair of symmetrical second insertion pieces are arranged on the upper side edge of the inner buckling plate, and after the box cover is formed, the second insertion pieces are inserted into the third insertion holes and attached to the top plate.

As a further improvement, the first reinforcing part is in a right trapezoid shape, and the upper bottom of the first reinforcing part is tightly attached to the side edge of the first side end plate; the first flap part is arranged at the lower bottom and the bevel edge of the first reinforcing part, and the first flap part is a rectangle extending towards the direction close to the first side end plate.

As a further improvement, the second reinforcing part is in a right trapezoid shape, and the lower bottom of the second reinforcing part is tightly attached to the side edge of the first side end plate. The second flap part is arranged at the lower bottom and the bevel edge of the second reinforcing part, and the second flap part is a rectangle extending towards the direction far away from the first side end plate.

As a further improvement, the lower end of one side edge of the second flap part far away from the rear plate is provided with an oblique chamfer.

As a further improvement, the first socket comprises a rectangular first socket part, and a triangular first sheet taking opening is formed in one side edge, far away from the front plate, of the first socket part upwards.

As a further improvement, the second socket comprises a rectangular second socket part, and a triangular second sheet lifting opening is formed in one side edge, away from the front plate, of the second socket part downwards.

As a further improvement, a pair of symmetrical avoiding grooves is arranged on the upper side edge of the inner buckle plate, and the second insertion piece is connected to the bottom of the avoiding groove in a folding mode.

The invention also provides a forming method of the paper-folded packing box with a firm structure, which comprises the following steps:

s1, the first front plate and the rear plate are turned over towards the front by 90 degrees, the first flap is turned over towards the direction of the rear plate by 90 degrees, the second flap is turned over towards the direction of the first front plate by 90 degrees, the first flap is pulled and pressed, the first buckling port and the second buckling port are buckled, the first side end plate is turned over towards the front by 90 degrees, the insertion piece is turned over towards the direction close to the first flap and the second flap by 180 degrees and is inserted into the first insertion port and the second insertion port, and box body forming is completed;

s2, the second side end plate is turned over towards the front by 90 degrees, the third flap part is turned over towards the top plate by 90 degrees, the third swing flap is turned over towards the top plate by 90 degrees and enables the third flap part to be attached to the top plate, the inner buckle plate is turned over towards the front by 90 degrees, the second inserting piece is turned over towards the direction close to the inner buckle plate by 180 degrees, and the second inserting piece is inserted into the third inserting port.

The invention has the beneficial effects that:

1. a first buckling port with an upward opening and an acute angle is arranged between the first reinforcing part and the first flap part of the first flap, and a second buckling port with an upward opening and an acute angle is arranged between the second reinforcing part and the second flap part of the second flap, so that the first flap and the second flap are mutually buckled without a tongue insert of a side end plate for compressing and fixing. Meanwhile, under the condition that the acute-angle openings are buckled with each other, the maximum static friction between the openings is larger than that between the openings in other shapes because the paperboard has a certain thickness, and the openings are more difficult to disassemble due to the weight of contained articles.

2. Through set up first interface and second interface on first flap portion and second flap portion for the tongue of inserting of side end plate need not the infolding peg graft in the clearance between pendulum flap and side end plate, but peg graft in first interface and second interface, has reduced the area of first interface piece, has reduced the consumption of paper wood promptly, does not influence original lateral wall structural strength simultaneously.

3. Through folding connection third flap portion on the side that is close to the roof at third pendulum flap, set up the third interface on third flap portion, set up the second inserted sheet of a pair of symmetry simultaneously on the side of going up of interior buckle, realized, under the condition that does not increase lid overall height, improve the connection steadiness between each wallboard of lid.

Drawings

Fig. 1 is a plane development view of a paper-folded packing box with a firm structure.

Fig. 2 is a schematic structural view of the formed paper-folded packing box with a firm structure.

Fig. 3 is a schematic structural view of the paper-folded packing box with a firm structure in the forming process.

Fig. 4 is a flow chart of a forming method of the paper-folded packing box with a firm structure.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

As shown in fig. 1-3, a paper-folded packing box with a firm structure is formed by forming paper, and comprises a box body 1, wherein the box body 1 comprises: the bottom plate 11, the bottom plate 11 is the rectangular plate, the left and right sides of bottom plate 11 are the first side end plate 12 of the folding connection of symmetry respectively, first side end plate 12 includes box body curb plate 121, box body curb plate 121 is kept away from set up first inserted sheet 122 on one side of bottom plate 11. First front bezel 13, folding connect in the lower side edge of bottom plate 11, the folding connection of the left and right sides difference symmetry of first front bezel 13 has first pendulum front of a garment 15, first pendulum front of a garment 15 includes first reinforcing portion 151 and first front of a garment portion 152, first reinforcing portion 151 and it just is the first lock mouth of acute angle to have an opening up between first front of a garment portion 152, set up first interface 153 in the reinforcing portion. The rear plate 14 is connected to the upper side edge of the bottom plate 11 in a folded manner, the left side and the right side of the rear plate 14 are symmetrically connected with a second flap 16 in a folded manner respectively, the second flap 16 comprises a second reinforcing portion 161 and a second flap portion 163, a second buckling port with an upward opening and an acute angle is formed between the second reinforcing portion 161 and the second flap portion 163, a second inserting port 162 is formed in the reinforcing portion, the first flap 15 and the second flap 16 are connected through the first buckling port and the second buckling port in a buckled manner, and the first inserting piece 122 is inserted into the first inserting portion 153 and the second inserting portion 162 in a plugged manner. Lid 2, lid 2 includes: the top plate 21 is connected to the upper side of the back plate 14 in a folded manner, the left and right sides of the top plate 21 are symmetrically connected to the second side end plate 22 in a folded manner, the upper side of the second side end plate 22 is connected to a third flap 24 in a folded manner, the third flap 24 includes a third reinforcing portion 241, the third reinforcing portion 241 is close to the upper end of one side of the top plate 21 is connected to a third flap portion 243 in a folded manner, and a third inserting connection 242 is formed in the third flap portion 243. A second front panel 23 is foldably connected to the upper side edge of said top panel 21. The inner buckle plate 25 is connected to the upper side edge of the second front plate 23 in a folding mode, a pair of symmetrical second insertion pieces 26 are arranged on the upper side edge of the inner buckle plate 25, and after the box cover 2 is formed, the second insertion pieces 26 are inserted into the third insertion pieces 242 and attached to the top plate 21.

As a further improvement, the first reinforcing part 151 is in a right trapezoid shape, and the upper bottom of the first reinforcing part 151 is tightly attached to the side edge of the first side end plate 12; the first flap portion 152 is disposed at the lower bottom and the oblique side of the first reinforcing portion 151, and the first flap portion 152 is a rectangle extending toward the direction close to the first side end plate 12.

As a further improvement, the second reinforcing portion 161 has a right trapezoid shape, and the lower bottom of the second reinforcing portion 161 is closely attached to the side edge of the first side end plate 12. The second flap part 163 is disposed at the lower bottom and the oblique side of the second reinforcing part 161, and the second flap part 163 is a rectangle extending in the direction away from the first side end plate 12.

As a further improvement, a lower end of one side of the second flap part 163 away from the rear plate 14 is chamfered. Set up oblique chamfer through the lower extreme at second flap part 163, realized when dismantling box body 1, having had certain stepping down when pushing down second flap part 163, more convenient dismantlement avoids damaging box body 1 because the auto-lock is too tight when the dismouting.

As a further improvement, the first plug 153 includes a rectangular first socket portion, and a triangular first tab opening is formed upward on a side of the first socket portion away from the front plate.

As a further improvement, the second socket 162 includes a rectangular second socket portion, and a triangular second sheet lifting opening is formed on a side of the second socket portion away from the front plate.

As a further improvement, a pair of symmetrical avoiding grooves is arranged on the upper side edge of the inner buckle plate 25, and the second insertion piece 26 is connected to the bottom of the avoiding groove in a folding manner.

As a further improvement, the second flap 16 is provided with a first lifting hole 164, the box body side plate 121 is provided with a second lifting hole 123, and after the box body 1 is molded, the first lifting hole 164 corresponds to the second lifting hole 123. Through setting up first lifting hole 164 and second lifting hole 123 for have a through-hole after the shaping on the curb plate of box body 1, convenience of customers pulls out the packing carton from the goods shelves in, or convenience of customers carries the packing carton.

The invention also provides a forming method of the paper-folded packing box with a firm structure, which comprises the following steps:

s1, the first front plate 13 and the rear plate 14 are turned over towards the front by 90 degrees, the first flap 15 is turned over towards the rear plate 14 by 90 degrees, the second flap 16 is turned over towards the first front plate 13 by 90 degrees, the first flap 15 is pulled up and the second flap 16 is pressed to buckle the first buckling port and the second buckling port, the first side end plate 12 is turned over towards the front by 90 degrees, and the insertion piece is turned over towards the direction close to the first flap 15 and the second flap 16 by 180 degrees and is inserted into the first insertion port 153 and the second insertion port 162 to complete the forming of the box body 1;

s2, the second side end plate 22 is turned over towards the front by 90 degrees, the third flap part 243 is turned over towards the top plate 21 by 90 degrees, the third flap 24 is turned over towards the top plate 21 by 90 degrees and enables the third flap part 243 to be attached to the top plate 21, the internal buckle plate 25 is turned over towards the front by 90 degrees, the second plug-in piece 26 is turned over towards the direction close to the internal buckle plate 25 by 180 degrees, and the second plug-in piece 26 is plugged into the third plugging port 242.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.