CN218317807U

CN218317807U - Plastic packaging box with high bearing strength

Info

Publication number: CN218317807U
Application number: CN202221212654.7U
Authority: CN
Inventors: 林平
Original assignee: Zhongshan Haitian Plastic Products Co ltd
Current assignee: Zhongshan Haitian Plastic Products Co ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2023-01-17
Anticipated expiration: 2032-05-20

Abstract

The utility model discloses a plastic packaging case that bearing strength is high, include the box that forms by the folding welding of cavity board in the PP, holistic weight is little, low in production cost, good intensity has, protectiveness and anti deformability, also make the packing box possess waterproof moisture-resistant characteristic, can put into food package such as vegetables food and keep the transportation in the freezer, the pillar is located plastic packaging case's four corners department can strengthen plastic packaging case's bearing strength by a wide margin, let the packing box of a plurality of packing full goods can pile up together and box itself can not impaired deformation, to the rear panel, the front panel, the curb plate all plays the effect of support, plastic packaging case can realize piling up of many boxes through the calotte on the pillar, the weight conduction that can bear and guide each packing case simultaneously is subaerial.

Description

Plastic packaging box with high bearing strength

Technical Field

The utility model relates to a packing box, especially a plastic packaging box that bearing strength is high.

Background

The existing packaging box is usually formed by folding a paper board, the general thickness range of the paper board is 5mm-6mm, the whole weight of the box body is in the range of 800g-1000g and is at the price of 8 pieces of paper, therefore, the packaging box can be large in whole weight after being loaded with goods such as fruits and vegetables, and is very unfavorable for storage or transportation of multi-box stacking due to the characteristic that the paper board is soft and easy to tear, the bearing capacity is very weak, in addition, the packaging box of the paper board is very easy to be wetted and infected with virus and bacteria, the requirement on the environment for storage and transportation is high, otherwise, the goods loaded with food goods can be deteriorated, and the packaging box also can not be put into a refrigeration house for storage and transportation.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a waterproof and moisture-resistant plastic packaging box with high bearing strength.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a plastic packaging box that bearing strength is high, includes the box that is formed by the folding welding of hollow plate in the PP, the box includes integrative rear panel, front panel, curb plate, top panel and the bottom surface board that cuts fashioned, the left and right sides of rear panel and front panel all is provided with the pillar, the bottom of curb plate is provided with bottom plate connecting portion, the both sides of bottom plate connecting portion are provided with the bottom surface and lack the groove.

The top of pillar is provided with the calotte of onion formula structure, the bottom be provided with the recess that the calotte shape is the same, the bottom of rear panel is provided with first connecting portion, be provided with on first connecting portion and the bottom panel and stretch into the tongue in the recess, be provided with on the top panel by the post hole that the calotte runs through.

The top of curb plate is provided with flip board, and flip board's both sides are provided with the top surface and lack the groove, flip board's lateral surface is provided with flip magic subsides.

The top of the top panel is provided with a front plate connecting part connected with the front panel through a magic tape.

The outer surface of the front panel is provided with V-shaped burr cloth, and the inner side of the front panel connecting part is provided with fiber cloth with the same shape as the burr cloth.

The PP hollow plate is composed of a core layer and surface layers attached to two sides of the core layer, the core layer is provided with a plurality of uniformly arranged holes, the holes are perpendicular to the surface layers (21), and the cross section of each hole is of a regular hexagon, a circular structure or a triangular structure.

The utility model has the advantages that: the utility model discloses a light in weight is little, low in production cost, good intensity has, protectiveness and anti deformability, also make the packing box possess waterproof moisture-resistant characteristic, can put into the freezer with food package such as vegetable food and keep the transportation, the pillar is located plastic packaging box's four corners department can strengthen plastic packaging box's bearing strength by a wide margin, let the packing box of a plurality of packing full goods can pile up together and box itself can not impaired deformation, to the rear panel, the front panel, the curb plate all plays the effect of support, plastic packaging box can realize piling up of many boxes through the calotte on the pillar, can bear and guide the weight conduction of each packing box to subaerial simultaneously.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is an expanded structural view of the present invention;

fig. 2 is a schematic structural diagram of the present invention;

fig. 3 is a schematic bottom structure of the present invention;

FIG. 4 is a transverse cross-sectional view of a core layer having a regular hexagonal void;

fig. 5 is a longitudinal sectional view of a core layer having a cavity in the shape of a regular hexagon.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without creative work belong to the scope of the present invention.

The references to "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. are made based on the references to the orientation or positional relationship shown in the drawings, and are intended to facilitate the description of the invention and to simplify the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the invention.

Referring to fig. 1 to 3, a plastic packaging box with high bearing strength comprises a box body formed by folding and welding PP hollow plates, wherein the box body comprises a rear panel 1, a front panel 2, side panels 3, a top panel 4 and a bottom panel 5 which are integrally cut and formed, pillars 6 are arranged on the left side and the right side of the rear panel 1 and the front panel 2, a bottom plate connecting part 7 is arranged at the bottom of the side panel 3, bottom surface notches 8 are arranged on the two sides of the bottom plate connecting part 7, when the bottom of the box body is folded and welded, the bottom plate connecting parts of the two side panels are folded inwards, the bottom panel is folded and attached to the bottom surface of the bottom plate connecting part, finally the first connecting part is folded and spot-welded to form the bottom of the box body, and then the side panels and the front panel are connected through hot edge sealing to form a complete box body, reference numeral 23 in fig. 3 is a welding point, because the box body is formed by folding and welding PP hollow plates, the wall thickness is within the range of 2mm-3mm, 400-500 g in the case of the whole weight, and the price of the plate is 5 pieces, the plastic packaging box has smaller weight and lower production cost compared with a cardboard box, and has stronger strength, protection and deformation resistance, and also has the characteristics of water resistance and moisture resistance, so that food packages such as vegetable food and the like can be stored and transported in a refrigeration house, the supporting columns are positioned at four corners of the plastic packaging box, the bearing strength of the plastic packaging box can be greatly enhanced, a plurality of packaging boxes fully packed with goods can be stacked together, the box body can not be damaged and deformed, and the box body plays a role in supporting a rear panel, a front panel and side panels.

The top of pillar 6 is provided with the calotte 9 of onion formula structure, the bottom be provided with the recess 10 that the calotte 9 shape is the same, the bottom of rear panel 1 is provided with first connecting portion 11, be provided with on first connecting portion 11 and the bottom panel 5 and stretch into tongue 12 in the recess 10, the recess is the same with the tongue shape, be provided with on the top panel 4 by post hole 13 that calotte 9 runs through, the length of pillar is higher than the height of box, consequently, the calotte can pass post hole and top surface scarce groove and expose at the top of box, and the card is gone into in the recess of another packing box of folding above, forms a whole that piles up, can bear and guide the weight of each packing box simultaneously.

The top of curb plate 3 is provided with flip board 14, and flip board 14's both sides are provided with the top surface and lack groove 15, flip board 14's lateral surface is provided with flip magic subsides 16.

The top of the top panel 4 is provided with a front plate connecting part 17 which is connected with the front panel 2 through a magic tape. The surface of front panel 2 is provided with the burr cloth 18 of V font, the inboard of front panel connecting portion 17 be provided with the same fibre cloth 19 of burr cloth 18 shape, make the opening and the involution packing of box more convenient.

Refer to fig. 4 and 5, hollow plate is by sandwich layer 20 with paste in the top layer 21 of sandwich layer 20 both sides constitutes, sandwich layer 20 is provided with a plurality of align to grid's hole 22, hole 22 with top layer 21 is perpendicular, the cross section of hole 22 is regular hexagon, circular or triangle-shaped structure, can let hollow plate possess better bearing capacity in the PP, can prolong the life of turnover case, and each plate of box has certain elasticity simultaneously, and convenient range upon range of stacks.

The above embodiments are not intended to limit the scope of the present invention, and those skilled in the art can make modifications and variations without departing from the overall spirit of the present invention.

Claims

1. The utility model provides a plastic packaging box that bearing strength is high, its characterized in that includes the box that is formed by the folding welding of hollow plate in the PP, the box includes integrative rear panel (1), front panel (2), curb plate (3), top panel (4) and bottom surface board (5) that cut the shaping, the left and right sides of rear panel (1) and front panel (2) all is provided with pillar (6), the bottom of curb plate (3) is provided with bottom plate connecting portion (7), the both sides of bottom plate connecting portion (7) are provided with bottom surface scarce groove (8).

2. The plastic packing case of claim 1, wherein the top of the pillar (6) is provided with a dome (9) of onion type structure, the bottom is provided with a groove (10) having the same shape as the dome (9), the bottom of the rear panel (1) is provided with a first connecting portion (11), the first connecting portion (11) and the bottom panel (5) are provided with a convex groove (12) extending into the groove (10), and the top panel (4) is provided with a post hole (13) penetrated by the dome (9).

3. The plastic packing case of claim 1, wherein the side plate (3) is provided at the top thereof with a flip plate (14), the flip plate (14) is provided at both sides thereof with top surface notches (15), and the flip plate (14) is provided at the outer side thereof with flip hook and loop fasteners (16).

4. The plastic packaging box according to claim 1, characterized in that the top of the top panel (4) is provided with a front panel connection part (17) which connects the front panel (2) by means of a hook and loop fastener.

5. The plastic packing box of claim 4, characterized in that the outer surface of the front panel (2) is provided with V-shaped burred cloth (18), and the inner side of the front panel connecting part (17) is provided with fiber cloth (19) having the same shape as the burred cloth (18).

6. The plastic packaging box according to claim 1, characterized in that the PP hollow board is composed of a core layer (20) and a surface layer (21) attached to both sides of the core layer (20), the core layer (20) is provided with a plurality of uniformly arranged cavities (22), the cavities (22) are perpendicular to the surface layer (21), and the cross section of the cavities (22) is in a regular hexagon, circular or triangular structure.