CN218464115U - Integrated into one piece packing box - Google Patents

Abstract

The utility model discloses an integrated packaging box, which comprises a box body and two buffer parts, wherein the box body is integrally formed by folding a paperboard, the box body comprises a bottom plate, a front side plate, a rear side plate and two side support plates, the front side plate, the rear side plate, the top cover plate and the seal plates are sequentially connected with the rear side of the rear side plate, the front side plate and the two side support plates are bent, and the rear side plate, the top cover plate and the seal plates are sequentially bent, so that the seal plates cover the outer wall of the front side plate; the buffer piece comprises a top plate, a first connecting plate, a second connecting plate, a third connecting plate and a fourth connecting plate which are sequentially connected along the length direction, the top plate is connected with the side supporting plate, and the fourth connecting plate, the third connecting plate and the second connecting plate are sequentially bent, so that the first connecting plate is opposite to the third connecting plate and is vertical to the second connecting plate and the fourth connecting plate to form a first buffer structure; and the top plate and the first connecting plate are bent, so that the first buffer structure is arranged in the box body, the second connecting plate is attached to the bottom plate, and the joint of the top plate and the first connecting plate is pressed downwards to form a buffer slot position with the bottom surface higher than the bottom plate.

Description

Integrated into one piece packing box

Technical Field

The utility model relates to the field of packaging technology, especially, relate to an integrated into one piece packing box.

Background

In the process of transporting goods, in order to protect products from being damaged, plastic foam cushions are usually additionally filled in the box body to cushion and protect the products, but most of the plastic foam cushions are not degradable, and a large amount of plastic foam cushions are used to cause certain harm to the environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an integrated into one piece packing box is so that buffer structure and box integrated into one piece are provided, need not additionally to pack the plastic foam class buffering thing in the box and cushion green.

In order to solve the technical problem, the purpose of the utility model is realized through following technical scheme: the integrally formed packing box comprises a box body and two buffer parts, wherein the box body is integrally formed by folding a paperboard, the box body comprises a bottom plate, the left end and the right end of the bottom plate are both connected with side supporting plates, the front side and the rear side of the bottom plate are respectively connected with a front side plate and a rear side plate, the rear side of the rear side plate is sequentially connected with a top cover plate and a sealing plate, the front side plate and the two side supporting plates are bent, the rear side plate, the top cover plate and the sealing plate are sequentially bent, so that the top cover plate and the bottom plate are oppositely arranged, the top cover plate is respectively abutted against the side supporting plates and the front side plate, and the sealing plate covers the outer wall of the front side plate; the buffer piece comprises a top plate, a first connecting plate, a second connecting plate, a third connecting plate and a fourth connecting plate which are sequentially connected along the length direction of the bottom plate, the top plate is connected with one end, far away from the bottom plate, of the side supporting plate, and the fourth connecting plate, the third connecting plate and the second connecting plate are sequentially bent, so that the third connecting plate and the first connecting plate are oppositely arranged, and the second connecting plate and the fourth connecting plate are respectively perpendicular to the first connecting plate to form a first buffer structure; and bending the top plate and the first connecting plate to enable the first buffer structure to be arranged in the box body, the second connecting plate to be attached to the bottom plate, and pressing down the joint of the top plate and the first connecting plate to form a buffer groove, wherein the bottom surface of the buffer groove is higher than the bottom plate.

The further technical scheme is as follows: the bottom plate is equipped with the screens, first connecting plate with the junction between the second connecting plate forms the bump, so that the bump protrusion in first buffer structure, the bump with the screens joint.

The further technical scheme is as follows: the buffer further comprises retention parts respectively connected to the front side and the rear side of the first connecting plate, each retention part comprises a first retention folded plate, a second retention folded edge, a third retention folded plate, a fourth retention folded edge and a fifth retention folded plate which are sequentially connected along the width direction of the bottom plate, the first retention folded plate is connected with the first connecting plate, and the first retention folded plate, the second retention folded edge, the third retention folded plate, the fourth retention folded edge and the fifth retention folded plate are sequentially bent to form the retention part in a surrounding manner, so that the fourth retention folded edge is attached to the first connecting plate, the fifth retention folded plate is superposed with the first retention folded plate, a slot is formed in the second retention folded edge, and a plug-in unit inserted into the slot is formed on the fourth connecting plate corresponding to the slot.

The further technical scheme is as follows: the left end and the right end of the front side plate and the right end of the rear side plate are respectively connected with a supporting part, the supporting parts comprise a first supporting plate, a second folding edge, a third supporting plate, a fourth folding edge and a fifth supporting plate which are sequentially connected along the length direction of the bottom plate, the first supporting plate is connected with the front side plate or the rear side plate, and the fifth supporting plate, the fourth folding edge, the third supporting plate and the second folding edge are sequentially bent so that the fifth supporting plate is attached to the first supporting plate.

The further technical scheme is as follows: the first support plate is provided with a connecting sheet, the fourth folded edge is provided with a notch corresponding to the connecting sheet, and the connecting sheet is placed in the notch.

The further technical scheme is as follows: the front side of the front side plate is connected with a buffer top plate, the buffer top plate is bent to enable the buffer top plate to be arranged opposite to the bottom plate and located below the top cover plate, a top surface buffer connecting convex portion and a top surface buffer connecting concave portion are formed on the buffer top plate in a folding mode, the top surface buffer connecting convex portion and the top surface buffer connecting concave portion are matched and clamped to form a top surface buffer piece, and the top surface buffer piece faces the bottom plate.

The further technical scheme is as follows: the top surface buffer connecting convex part comprises a first folding strip, a second folding strip, a third folding strip and a fourth folding strip which are sequentially connected along the length direction of the buffer top plate, the second folding strip is provided with a protruding piece penetrating through the third folding strip, the fourth folding strip is far away from the top surface buffer connecting concave part, and the buffer top plate is provided with a first opening at one end of the fourth folding strip far away from the top surface buffer connecting concave part.

The further technical scheme is as follows: the top surface buffer connecting concave part comprises a fifth folding strip, a sixth folding strip, a seventh folding strip and an eighth folding strip which are sequentially connected along the length direction of the buffer top plate, one end, close to the seventh folding strip, of the sixth folding strip is provided with a connecting opening clamped with the protruding piece, the eighth folding strip is far away from the top surface buffer connecting convex part, and one end, far away from the top surface buffer connecting convex part, of the eighth folding strip of the buffer top plate is provided with a second opening.

The further technical scheme is as follows: the paperboard is corrugated paperboard.

The further technical scheme is as follows: the thickness of the paperboard is 3mm.

The utility model has the advantages of: the utility model discloses the box and the bolster of integrated into one piece packing box are through adopting cardboard integrated into one piece folding forming, with need not additionally to pack in the box and take off the protection of buffering of foam class buffering thing, green, the material cost is low, and the cardboard can keep flat the pile, be convenient for transport and storage, the cost of transportation is low, be favorable to reducing the packing cost, and, the lamina tecti is connected with and covers in the shrouding of preceding curb plate outer wall after buckling, make even the shrouding is opened by the mistake and still not open the box completely, the security improves, and simultaneously, the bolster is the integrative folding forming of plate body of being connected with the collateral branch board in the cardboard, folding convenience, the bottom surface of the buffering trench of bolster is higher than the bottom plate so that form the buffering clearance between bolster and the bottom plate, so as to protect the product, and the rational utilization space, not only beautifully but also occupation space is little.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic plan view of an unfolded integrally formed packing box according to an embodiment of the present invention;

fig. 2 is a front view of an unfolded state of the integrally formed packing box according to the embodiment of the present invention;

fig. 3 is a schematic structural view of a plane stacking of the integrally formed packing box in an unfolded state according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram illustrating a first step of folding and assembling the integrally formed packing box according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram illustrating a second step of folding and assembling the integrally formed packing box according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram illustrating a third step of folding and assembling the integrally formed packing box according to the embodiment of the present invention;

fig. 7 is a schematic diagram illustrating details of the supporting portion in the third step of folding and assembling the integrally formed packing box according to the embodiment of the present invention;

fig. 8 is a schematic structural view for demonstrating the fourth step of folding and assembling the integrally formed packing box according to the embodiment of the present invention;

fig. 9 is a schematic structural view illustrating a fifth step of folding and assembling the integrally formed packing box according to the embodiment of the present invention;

fig. 10 is a schematic structural view illustrating a sixth step of folding and assembling the integrally formed packing box according to the embodiment of the present invention;

fig. 11 is a schematic structural view illustrating a seventh step of folding and assembling the integrally formed packing box according to the embodiment of the present invention;

fig. 12 is a schematic structural view of the integrally formed packing box according to the embodiment of the present invention after being folded and assembled;

fig. 13 is a schematic structural diagram of a first step when the integrally formed packing box packs a product according to an embodiment of the present invention;

fig. 14 is a schematic structural diagram of a second step when the integrally formed packing box provided by the embodiment of the present invention packs a product;

fig. 15 is a schematic structural view of the integrally formed packing box according to the embodiment of the present invention after the packing is completed.

Detailed Description

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

Referring to fig. 1 to 15, fig. 1 is a schematic structural view of a flattened state of an integrally formed packaging box according to an embodiment of the present invention, where the integrally formed packaging box includes a box body 11 and two cushioning members 12 integrally formed by folding a paperboard 10, the box body 11 includes a bottom plate 111, both left and right ends of the bottom plate 111 are connected to side support plates 112, front and rear sides of the bottom plate 111 are respectively connected to a front side plate 113 and a rear side plate 114, a top cover plate 115 and a sealing plate 116 are sequentially connected to a rear side of the rear side plate 114, the front side plate 113 and the two side support plates 112 are bent toward the bottom plate 111, and the rear side plate 114, the top cover plate 115 and the sealing plate 116 are sequentially bent, so that the top cover plate 115 is disposed opposite to the bottom plate 111, the top cover plate 115 is respectively abutted to the side support plates 112 and the front side plate 113, and the sealing plate 116 is covered on an outer wall of the front side plate 113; the cushion member 12 includes a top plate 1211, a first connecting plate 1212, a second connecting plate 1213, a third connecting plate 1214 and a fourth connecting plate 1215 connected in sequence along the length direction of the bottom plate 111, the top plate 1211 is connected to one end of the side support plate 112 away from the bottom plate 111, and the fourth connecting plate 1215, the third connecting plate 1214 and the second connecting plate 1213 are sequentially bent toward the first connecting plate 1212, so that the third connecting plate 1214 is opposite to the first connecting plate 1212 and the second connecting plate 1213 and the fourth connecting plate 1215 are perpendicular to the first connecting plate 1212, respectively, to form a first cushion structure 121; the top plate 1211 and the first connecting plate 1212 are bent toward the bottom plate 111, so that the first buffer structure 121 is disposed in the box 11, the second connecting plate 1213 is attached to the bottom plate 111, a connection portion between the top plate 1211 and the first connecting plate 1212 is pressed downward to form a buffer slot 1201, and a bottom surface of the buffer slot 1201 is higher than the bottom plate 111.

The bottom plate 111, the front side plate 113, the rear side plate 114, the top cover plate 115 and the two side support plates 112 enclose to form a cavity for accommodating a product, the two buffering members 12 are respectively located at two ends of the cavity to buffer and protect the product, the first buffering structure 121 is formed by the first connecting plate 1212, the second connecting plate 1213, the third connecting plate 1214 and the fourth connecting plate 1215, the buffer slot position 1201 is formed at the joint of the top push-down plate 1211 and the first connecting plate 1212, and due to the arrangement of the first buffering structure 121, the bottom surface of the buffer slot position 1201 formed at the joint of the top push-down plate 1211 and the first connecting plate 1212 is abutted to the first buffering structure 121, so that the bottom surface of the buffer slot position 1201 is higher than the bottom plate 111 to form a buffer gap. The top plate 1211 and the first connection plate 1212 form end surfaces and a bottom surface of the buffer groove 1201 at both ends of the fold line, respectively. The integrally formed packing box can be a cuboid, and products packed by the integrally formed packing box can be long strips, such as lamp tubes. The box 11 and the bolster 12 of integrated into one piece packing box are through adopting cardboard 10 integrative fold forming, with need not additionally to pack in box 11 plastic foam class buffer and protect, green, the material cost is low, be convenient for unpack apart and folding equipment, with repeatedly usable, and cardboard 10 can also keep flat the pile, be convenient for transportation storage, the transportation cost is low, be favorable to reducing the packaging cost, and, the lamina tecti 115 is connected with and covers in the shrouding 116 of preceding curb plate 113 outer wall after buckling, make even shrouding 116 is opened by the mistake and still not open box 11 completely, the security is improved, and simultaneously, bolster 12 is the integrative fold forming of plate body that is connected with collateral branch board 112 in cardboard 10, folding convenience, the bottom surface of the buffering trench 1201 of bolster 12 is higher than bottom plate 111 so that form the buffering clearance between bolster 12 and bottom plate 111, with the built-up product, avoid the product to contact with bottom plate 111 completely, with the cushioning protection product, and the rational utilization space, not only beautifully but also occupation space is little.

Specifically, in this embodiment, the paper board 10 may be a corrugated paper board, so as to be fully degradable, and achieve green packaging and environmental protection. Preferably, the paperboard 10 is a B-flute corrugated paperboard and has a thickness of 3mm.

Specifically, in this embodiment, the bottom plate 111 is provided with a clamping portion 1111, a protruding point 1202 is formed at a connection portion between the first connection plate 1212 and the second connection plate 1213, the protruding point 1202 extends out of the first connection plate 1212, so that the protruding point 1202 protrudes out of the first buffer structure 121, and the protruding point 1202 is clamped with the clamping portion 1111, so that the connection between the buffer member 12 and the box 11 is more stable and reliable and is less prone to deformation.

Specifically, in the present embodiment, the cushion 12 further includes retaining portions 122 respectively connected to the front and rear sides of the first connecting plate 1212, the retaining portion 122 includes a first retaining flap 1221, a second retaining flap 1222, a third retaining flap 1223, a fourth retaining flap 1224, and a fifth retaining flap 1225 connected in sequence in the width direction of the bottom plate 111, the first retaining flap 1221 is connected to the first connecting plate 1212, and the first retaining flap 1221, the second retaining flap 1222, the third retaining flap 1223, the fourth retaining flap 1224, and the fifth retaining flap 1225 are bent in sequence toward the first connecting plate 1212 to surround the retaining portion 122, so that the fourth retaining flap 1224 abuts against the first connecting plate 1212 and the fifth retaining flap 1225 overlaps with the first retaining flap 1221, so that the retaining portion 122 is not easily deformed and is stably secured, the first retaining flap 1221 is disposed opposite to the third retaining flap 1223, and the second retaining flap 1222 is disposed opposite to the fourth retaining flap 1224. The second retaining flange 1222 is formed with a slot 1226, and the fourth connecting plate 1215 is formed with an insert 1216 corresponding to the slot 1226 for insertion into the slot 1226. The two inserts 1216 are respectively located on two sides of a main body of the fourth connecting plate 1215, the main body of the fourth connecting plate 1215 is longer than the inserts 1216 to abut against the first connecting plate 1212, the inserts 1216 are arranged to be matched with the slots 1226, so that the first buffer structure 121 is not easy to deform and is more stable, the first buffer structure 121 and the retention part 122 can be stably connected, the retention parts 122 located on the front side and the rear side of the first buffer structure 121 are arranged, so that the structure of the buffer member 12 is more stable and reliable, a buffer gap exists between the buffer slot 1201 formed by pressing down and the front side plate 113 and the rear side plate 114 respectively, and the buffer gap between the bottom surface of the buffer slot 1201 and the bottom plate 111 is matched to provide three-side buffering for a product, so as to better protect the product, and limit the position of the product, thereby ensuring the safety of the product placed in the box 11.

Specifically, in this embodiment, the left and right ends of the front side plate 113 and the rear side plate 114 are respectively connected with a supporting portion 13, the supporting portion 13 includes a first support plate 131, a second fold 132, a third support plate 133, a fourth fold 134 and a fifth support plate 135, which are sequentially connected along the length direction of the bottom plate 111, the first support plate 131 is connected with the front side plate 113 or the rear side plate 114, and the fifth support plate 135, the fourth fold 134, the third support plate 133 and the second fold 132 are sequentially bent toward the corresponding side plate, so that the fifth support plate 135 is attached to the first support plate 131, the fifth support plate 135 is opposite to the third support plate 133, and the fourth fold 134 is opposite to the second fold 132. The first support plate 131 is bent toward the corresponding side plate so that the support portion 13 is located on the corresponding side plate, the side plate is bent toward the bottom plate 111 so that the support portion 13 is located on the bottom plate 111, the side support plate 112 is bent toward the bottom plate 111 so that the side support plate 112 abuts against the first support plate 131, and the bottom plate 111 abuts against the end portions of the first support plate 131, the second flange 132, the third support plate 133, the fourth flange 134, and the fifth support plate 135, respectively, that is, the bottom plate 111 abuts against one end portion of the support portion 13. The side supporting plate 112, the top plate 1211 and the first connecting plate 1212 are sequentially bent toward the bottom plate 111, so that the first buffer structure 121 and the two retaining portions 122 are placed in the cavity, the top plate 1211 abuts against the other end portions of the two supporting portions 13, a buffer gap is formed between the buffer slot 1201 formed by pressing and the side supporting plate 112, a buffer gap is formed between the buffer slot 1201 and the front side plate 113, the rear side plate 114 and the bottom plate 111 respectively, and the supporting portions 13 are arranged at the left end and the right end of the side plates, so that five-sided buffering is provided for the product, the product is better protected, the position of the product can be limited, and the safety of the product placed in the box body 11 is ensured.

Preferably, the left side and the right side of the closing plate 116 are respectively connected with a connecting insertion plate 1161, the connecting insertion plate 1161 can be inserted between the side supporting plate 112 and the supporting portion 13, so that the sealing operation of the packing box can be realized without additional sticking substances, the sealing is safe and reliable, the disassembling operation of the packing box is convenient and simple, the repeated use is facilitated, and the environment is protected.

Specifically, the first support plate 131 is provided with a connecting piece 136, the fourth folded edge 134 is provided with a notch 137 corresponding to the connecting piece 136, and the connecting piece 136 is placed in the notch 137 to support the third support plate 133, so that the support portion 13 is not easily deformed and is more stable. The first supporting plate 131 is provided with a third opening 1301 at an end of the connecting piece 136 away from the corresponding side plate, so that the connecting piece 136 is bent to place the connecting piece 136 in the notch 137.

Specifically, in this embodiment, the front side of the front side plate 113 is connected to a buffer top plate 117, the buffer top plate 117 is bent toward the bottom plate 111 so that the buffer top plate 117 is disposed opposite to the bottom plate 111 and the buffer top plate 117 is located below the top cover plate 115, a top buffer connecting protrusion 1181 and a top buffer connecting recess 1182 are formed on the buffer top plate 117 in a folding manner, the top buffer connecting protrusion 1181 and the top buffer connecting recess 1182 are matched and clamped to form a top buffer 118, and the top buffer 118 faces the bottom plate 111. The top surface of the cavity is covered by double sealing through the top buffering plate 117 and the top cover plate 115, and the top surface buffering element 118 facing the bottom plate 111 is arranged on the top buffering plate 117, so that a buffering gap exists between the top surface of a product arranged in the box body 11 and the main body of the top buffering plate 117, the buffering slot 1201 of the buffering element 12 is matched with the buffering gap of the bottom plate 111, the side supporting plate 112, the front side plate 113 and the rear side plate 114, six-side buffering is provided for the product, the buffering protection performance is improved, and the safety of the product arranged in the box body 11 is ensured.

Specifically, in this embodiment, the top surface buffer connecting convex portion 1181 includes a first fold 1183, a second fold 1184, a third fold 1185, and a fourth fold 1186 sequentially connected along the length direction of the buffer top plate 117, the second fold 1184 is formed with a tab 1001 penetrating through the third fold 1185, the fourth fold 1186 is far away from the top surface buffer connecting concave portion 1182, the buffer top plate 117 is provided with a first opening 1002 at an end of the fourth fold 1186 far away from the top surface buffer connecting concave portion 1182, and the first opening 1002 is arranged to bend the fourth fold 1186, so as to facilitate the folding formation of the top surface buffer connecting convex portion 1181.

Specifically, the top surface buffer connecting concave portion 1182 includes a fifth folding strip 1801, a sixth folding strip 1802, a seventh folding strip 1803 and an eighth folding strip 1804, which are sequentially connected along the length direction of the buffer top plate 117, one end of the sixth folding strip 1802 close to the seventh folding strip 1803 is provided with a connecting opening 1003 clamped with the protruding strip 1001, the eighth folding strip 1804 is far away from the top surface buffer connecting convex portion 1181, the buffer top plate 117 is provided with a second opening 1004 at one end of the eighth folding strip 1804 far away from the top surface buffer connecting convex portion 1181, and the second opening 1004 is arranged to bend the eighth folding strip 1804, so as to facilitate the folding formation of the top surface buffer connecting concave portion 1182.

To sum up, the utility model discloses the box and the bolster of integrated into one piece packing box are through adopting integrative folding forming of cardboard, with need not additionally to pack in the box plastic foam class buffering thing and carry out the buffering protection, green, the material cost is low, and the cardboard can keep flat the pile, be convenient for the transportation storage, the cost of transportation is low, be favorable to reducing the packing cost, and, the lamina tecti is connected with the shrouding that can cover in preceding curb plate outer wall after buckling, make even the shrouding is opened by the mistake and still not open the box completely, the security improves, and simultaneously, the bolster is by the integrative folding forming of the plate body of being connected with the collateral branch board in the cardboard, folding convenience, the bottom surface of the buffering trench of bolster is higher than the bottom plate so that form the buffering clearance between bolster and the bottom plate, so as to protect the product, and the rational utilization space, not only beautifully but also occupation space is little.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. An integrally formed packing box is characterized by comprising a box body and two buffer parts, wherein the box body is integrally formed by folding a paperboard, the box body comprises a bottom plate, the left end and the right end of the bottom plate are both connected with side supporting plates, the front side and the rear side of the bottom plate are respectively connected with a front side plate and a rear side plate, the rear side of the rear side plate is sequentially connected with a top cover plate and a sealing plate, the front side plate and the two side supporting plates are bent, the rear side plate, the top cover plate and the sealing plate are sequentially bent, so that the top cover plate is opposite to the bottom plate, the top cover plate is respectively abutted against the side supporting plates and the front side plate, and the sealing plate covers the outer wall of the front side plate;

the buffer piece comprises a top plate, a first connecting plate, a second connecting plate, a third connecting plate and a fourth connecting plate which are sequentially connected along the length direction of the bottom plate, the top plate is connected with one end, far away from the bottom plate, of the side supporting plate, and the fourth connecting plate, the third connecting plate and the second connecting plate are sequentially bent, so that the third connecting plate and the first connecting plate are oppositely arranged, and the second connecting plate and the fourth connecting plate are respectively perpendicular to the first connecting plate to form a first buffer structure; and bending the top plate and the first connecting plate to enable the first buffer structure to be arranged in the box body, the second connecting plate to be attached to the bottom plate, and pressing down the joint of the top plate and the first connecting plate to form a buffer groove, wherein the bottom surface of the buffer groove is higher than the bottom plate.

2. The integrally formed packaging box according to claim 1, wherein the bottom plate is provided with a detent, and a joint between the first connecting plate and the second connecting plate is provided with a convex point, so that the convex point protrudes out of the first buffer structure, and the convex point is engaged with the detent.

3. The integrally formed packaging box according to claim 1, wherein the buffer further comprises retention portions respectively connected to front and rear sides of the first connecting plate, the retention portions comprise a first retention flap, a second retention flap, a third retention flap, a fourth retention flap and a fifth retention flap sequentially connected in a width direction of the bottom plate, the first retention flap is connected to the first connecting plate, the first retention flap, the second retention flap, the third retention flap, the fourth retention flap and the fifth retention flap are sequentially bent to form the retention portions in a surrounding manner, so that the fourth retention flap is attached to the first connecting plate and the fifth retention flap is overlapped with the first retention flap, a slot is formed in the second retention flap, and an insert for inserting into the slot is formed in the fourth connecting plate corresponding to the slot.

4. The integrally formed packing box of claim 1, wherein the left and right ends of the front side panel and the rear side panel are respectively connected with a support portion, the support portion comprises a first support plate, a second folded edge, a third support plate, a fourth folded edge and a fifth support plate, the first support plate is connected with the front side panel or the rear side panel in sequence, and the fifth support plate, the fourth folded edge, the third support plate and the second folded edge are sequentially bent so as to attach the fifth support plate to the first support plate.

5. The integrally formed packaging box of claim 4, wherein the first support panel is provided with a connecting piece, the fourth folded edge is provided with a notch corresponding to the connecting piece, and the connecting piece is placed in the notch.

6. The integrally formed packing box of claim 1, wherein the front side of the front side plate is connected to a top buffer plate, the top buffer plate is folded to be opposite to the bottom plate and located below the top cover plate, a top buffer connecting convex portion and a top buffer connecting concave portion are formed on the top buffer plate in a folded mode, the top buffer connecting convex portion and the top buffer connecting concave portion are matched and clamped to form a top buffer member, and the top buffer member faces the bottom plate.

7. The integrally formed packing box of claim 6, wherein the top buffer connecting protrusion comprises a first flap, a second flap, a third flap and a fourth flap sequentially connected along the length direction of the top buffer board, the second flap forms a protruding tab penetrating through the third flap, the fourth flap is far away from the top buffer connecting recess, and the top buffer board is provided with a first opening at one end of the fourth flap far away from the top buffer connecting recess.

8. The integrally formed packing box of claim 7, wherein the top buffer connecting concave portion comprises a fifth folding strip, a sixth folding strip, a seventh folding strip and an eighth folding strip sequentially connected along the length direction of the buffer top board, wherein a connecting opening clamped with the protruding piece is formed in one end, close to the seventh folding strip, of the sixth folding strip, the eighth folding strip is far away from the top buffer connecting convex portion, and a second opening is formed in one end, far away from the top buffer connecting convex portion, of the buffer top board.

9. The integrally formed packaging case of claim 1, wherein the paperboard is corrugated paperboard.

10. The integrally formed packaging box of claim 9, wherein the thickness of the paperboard is 3mm.

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