CN115701827A - A multi-layer composite corrugated cardboard packaging box - Google Patents

Abstract

The invention discloses a multilayer composite corrugated board packaging box, which relates to the field of carton packaging and is used for solving the problems that the existing corrugated box is insufficient in strength, is easy to damp and cannot fix goods; the clamping structure can provide vertical support for the outer box, can absorb moisture in the air, can fix articles in the box through the clamping structure, and can limit the position of the clamping structure through the positioning structure, so that the clamping structure is convenient to use.

Description

A multi-layer composite corrugated cardboard packaging box

technical field

The invention relates to the field of carton packaging, in particular to a multi-layer composite corrugated cardboard packaging box.

Background technique

Corrugated cardboard is die-cut, creasing, nailed or glued to make corrugated boxes. Corrugated carton is the most widely used packaging product, and its consumption has always been the first among all kinds of packaging products. Including calcium plastic corrugated box. For more than half a century, corrugated boxes have gradually replaced wooden boxes and other transportation packaging containers due to their superior performance and good processing performance, and have become the main force of transportation packaging. In addition to protecting the goods and facilitating storage and transportation, it also plays the role of beautifying and promoting the goods. Corrugated boxes are green and environmentally friendly products, which are conducive to environmental protection and are conducive to loading, unloading and transportation.

Currently commonly used corrugated cartons are composed of one or several pieces of processed corrugated cardboard, which are combined by stapling or bonding. Its bottom and upper flaps form the bottom and lid. This kind of carton can be folded and laid flat during transportation and storage. It has the advantages of small size, convenient use, airtight and dustproof, and clean inside and outside.

However, in long-term transportation, in order to save space, there will be more corrugated boxes stacked. Due to the short performance of the cartons, the compressive strength of corrugated boxes will decrease with the extension of storage time in circulation. Generally, after 2 hours, the compressive strength will be significantly reduced, which will easily lead to deformation of the corrugated box, thus failing to protect the internal goods. Moreover, the cardboard of corrugated boxes is often made of alkaline chemical materials during production, so corrugated boxes are particularly easy to absorb water and moisture. Once wet, it is easy to cause the corrugated boxes to become soft, which not only makes the items stored in the cartons easy to be scrapped immediately, but also reduces corrugated. box strength. Moreover, some irregularly shaped goods are difficult to fix in the corrugated box. Due to the shaking generated during transportation, the goods will puncture the corrugated box and cause damage to the goods.

Contents of the invention

The purpose of the present invention is to provide a multi-layer composite corrugated cardboard packaging box, which is used to solve the problems that the current corrugated boxes are not strong enough, easy to be damp and unable to fix goods.

The technical solution adopted by the present invention is as follows: a multi-layer composite corrugated cardboard packaging box includes an outer box, an inner box, a supporting structure, a clamping structure, a bottom frame and a diagonal brace.

The inner box is arranged inside the outer box, the support structure is arranged between the outer box and the inner box, the clamping structure for fixing goods is symmetrically arranged inside the inner box, and the outer box The bottom frame is provided with the bottom frame, and the diagonal brace is arranged obliquely between the bottom frame and the bottom of the outer box.

The support structure includes columnar nets, columns, fixed plates and strip plates, the fixed plates are arranged between the outer box and the inner box, the columnar nets are arranged in the outer box after penetrating the fixed plates in the vertical direction, and the interior of the columnar nets is arranged concentrically The column, the column net and the column are filled with desiccant.

The clamping structure includes a bow-shaped spring board, a splint and a sponge layer. One end of the bow-shaped spring board is fixed on the inner wall of the inner box, and the other end is fixed with the splint. The bow-shaped spring board pushes the splint into the inner box.

Further, the surface of the splint is provided with the sponge layer.

Further, both ends of the upright column are provided with the strip plate.

Further, a positioning structure for limiting the position of the arc spring plate is provided between the splint and the inner box.

The positioning structure includes a limiting plate, a movable rod and a fixed rod.

The movable rod and the fixed rod are respectively fixed on the inner box and the splint along the horizontal direction, and the two are connected by a locking structure.

Further, the locking structure includes a chute, a spring, a button and a locking ring, the first end of the chute is fixed on the fixed rod, and the locking ring is arranged in the chute through the chute, and the locking ring The side near the first end of the chute is provided with the spring, the end of the locking ring away from the chute is provided with the button, the movable rod passes through the locking ring, and the movable rod is close to the side of the locking ring Set the limit groove evenly.

Further, the outer corners of the outer box are wrapped with protective corner guards.

Further, the end of the movable rod away from the splint is provided with the limiting plate.

In summary, owing to adopting above-mentioned technical scheme, the beneficial effect of the present invention is:

1. The present invention provides vertical support for the outer box through the support structure, and can also absorb moisture in the air, and can also fix the items in the box through the clamping structure, and at the same time adjust the position of the clamping structure through the positioning structure. Position limit, easy to use the clamping structure;

2. In the present invention, an inner box is arranged on the inner side of the outer box to increase the strength of the outer box. At the same time, a support structure is set between the outer box and the inner box to support it, so as to improve the compressive strength of the outer box, and symmetrically set clips inside the inner box. The holding structure plays the role of clamping items to avoid damage to the goods during transportation;

3. In the present invention, a positioning structure is provided between the clamping structure and the inner box, and the position of the splint can be adjusted through the positioning structure, which facilitates the use of the clamping structure.

Description of drawings:

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the sectional view of A-A place among Fig. 1;

Fig. 3 is the partial enlarged view of place B in Fig. 2;

Fig. 4 is the left side view of positioning structure among the present invention;

Fig. 5 is a schematic diagram of the three-dimensional structure of the present invention.

Explanation of reference signs:

1. Outer box; 2. Inner box; 3. Supporting structure; 31. Column net; 32. Upright column; 33. Fixing plate; 34. Strip plate; 4. Clamping structure; 41. Bow spring plate; 42. Plywood ; 43, sponge layer; 5, positioning structure; 51, limiting plate; 52, movable rod; 53, fixed rod; 54, chute; 55, spring; 56, limiting groove; 57, button; 58, locking Ring; 6. Grid plate; 7. Bottom frame; 8. Diagonal brace; 9. Protective corner.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Example 1

Figures 1-5 show: a multi-layer composite corrugated cardboard packaging box, including an outer box 1, an inner box 2, a support structure 3, a clamping structure 4, a bottom frame 7 and a diagonal brace 8.

An inner box 2 is arranged inside the outer box 1, a support structure 3 is arranged between the outer box 1 and the inner box 2, a clamping structure 4 for fixing goods is arranged symmetrically inside the inner box 2, a bottom frame 7 is arranged at the bottom of the outer box 1, and a bottom frame 7 is arranged on the bottom of the bottom box. A diagonal brace 8 is obliquely arranged between the frame 7 and the bottom of the outer box 1 .

The support structure 3 is used to provide vertical support for the outer box 1, thereby improving the compressive strength of the outer box 1, and the clamping structure 4 symmetrically arranged between the inner boxes 2 can clamp and fix the goods between them. The bottom frame 7 at the bottom of the outer box 1 is used to concentrate the weight of the upper outer box 1 on the support structure 3. In addition, in order to prevent the bottom central part of the outer box 1 from being in a suspended state, causing the goods to fall off from the bottom central part of the outer box 1, therefore Between the bottom frame 7 and the bottom of the outer box 1, a slanting brace 8 is arranged obliquely, and the weight borne by the central part of the bottom of the outer box 1 is shared on the bottom frame 7 by the slanting brace 8.

The support structure 3 includes a columnar net 31, a column 32, a fixed plate 33 and a strip plate 34, the fixed plate 33 is arranged between the outer box 1 and the inner box 2, and the columnar net 31 runs through the fixed plate 33 in the vertical direction and is arranged on the outer box 1 Among them, a column 32 is concentrically arranged inside the columnar net 31, and a desiccant is filled between the columnar net 31 and the column 32. In order to prevent the column 32 from breaking the outer box 1, strip plates 34 are arranged at both ends of the column 32. To increase the contact area between the column 32 and the outer case 1.

The strip plate 34 is arranged at two places up and down along the horizontal direction, thereby the columnar net 31 can be better fixed, the column 32 plays a supporting role, and the strip plate 34 at its upper and lower ends is used to increase the distance between it and the top and bottom of the outer box 1. The contact area is to avoid the column 32 being punctured after being under pressure, and the desiccant is filled between the columnar net 31 and the column 32. The holes on the surface of the columnar net 31 are convenient for air flow, so that the desiccant glows and dehumidifies the goal of.

The clamping structure 4 includes a bow-shaped spring plate 41, a splint 42 and a sponge layer 43. One end of the bow-shaped spring plate 41 is fixed on the inner wall of the inner box 2, and the other end is fixed with a splint 42. The bow-shaped spring plate 41 pushes the splint 42 to the inside of the inner box 2. , the goods inside the inner box 2 are fixed, and in order to prevent the splint 42 from causing damage to the goods and fit the goods more closely, a layer of sponge layer 43 is pasted on its surface.

In order to improve the bottom strength of the outer box 1, a grid plate 6 is arranged at the bottom thereof, and the grid plate 6 is made by cross-arranging cardboard according to certain intervals and cross bars.

Example 2

The difference between this embodiment and Embodiment 1 lies in that a positioning structure 5 for limiting the position of the arc spring plate 41 is provided between the splint 42 and the inner box 2 .

When fixing the goods, it is necessary to first push the splint 42 to both sides to compress the bow-shaped spring plate 41, so a positioning structure 5 is set between the splint 42 and the inner box 2 to limit the position of the splint 42, and the bow-shaped spring plate 41 pushes the splint 42 After the goods are fixed, when the goods are shaking, if the strength of the shaking is greater than the elasticity of the bow-shaped spring plate 41, the bow-shaped spring plate 41 will still be pushed, so the positioning structure 5 arranged between the splint 42 and the outer box 1 can also prevent The cargo pushes the splint 42 to compress the arc spring plate 41 .

The positioning structure 5 includes a limiting plate 51 , a movable rod 52 and a fixed rod 53 .

The movable rod 52 and the fixed rod 53 are respectively fixed on the inner box 2 and the splint 42 along the horizontal direction, and the two are connected by a locking structure.

The locking structure includes a chute 54, a spring 55, a button 57 and a locking ring 58. The first end of the chute 54 is fixed on the fixed rod 53, and the chute 54 is provided with a locking ring 58 through the chute. The locking ring 58 One side near the first end of the chute 54 is provided with a spring 55, and the end of the locking ring 58 away from the chute 54 is provided with a button 57, and the movable rod 52 passes through the locking ring 58, and the movable rod 52 is close to the locking ring 58 Limiting slots 56 are evenly arranged on one side of the top.

The spring 55 pushes the locking ring 58 so that the locking ring 58 snaps into the limit groove 56, so that the movable rod 52 cannot escape from the locking ring 58, so that the fixed rod 53 and the movable rod 52 can be connected together through the locking structure .

When the limit groove 56 needs to be released, the lock ring 58 is pressed by the button 57 to disengage from the limit groove 56, and the restriction of the lock ring 58 is lost, so that the movable rod 52 can freely move between the lock rings 58. action. Therefore, when it is necessary to fix the goods, push the clamping plate 42 and push it together with the movable rod 52 so that it passes through the locking ring 58. When the distance between the clamping plates 42 is enough to put down the goods, due to the limit of the locking structure, Clamping plate 42 can't move, can place goods and adjust the position of goods this moment. Press the button 57 afterwards, the movable rod 52 loses the limit of the locking ring 58, and the splint 42 fixes the goods in the pushing direction of the bow spring plate 41, and the locking ring 58 snaps into the limiting groove 56 at another place , re-limiting the movable rod 52 to prevent the goods from shaking, compressing the arc spring plate 41, and in order to prevent the movable rod 52 from deviating from the locking ring 58, a limiting plate 51 is set at its end away from the splint 42 .

In order to further improve the strength of the outer box 1, protective corners 9 are wrapped on the outside of its corners.

Claims (7)

1. A multilayer composite corrugated board packing box is characterized by comprising an outer box (1), an inner box (2), a supporting structure (3), a clamping structure (4), a bottom frame (7) and an inclined strut (8);

the inner box (2) is arranged in the outer box (1), the supporting structure (3) is arranged between the outer box (1) and the inner box (2), the clamping structures (4) for fixing goods are symmetrically arranged in the inner box (2), the bottom frame (7) is arranged at the bottom of the outer box (1), and the inclined strut (8) is obliquely arranged between the bottom frame (7) and the bottom of the outer box (1);

the supporting structure (3) comprises a columnar net (31), upright posts (32), a fixing plate (33) and strip-shaped plates (34), the fixing plate (33) is arranged between the outer box (1) and the inner box (2), the columnar net (31) penetrates through the fixing plate (33) along the vertical direction and then is arranged in the outer box (1), the upright posts (32) are concentrically arranged in the columnar net (31), and drying agents are filled between the columnar net (31) and the upright posts (32);

clamping structure (4) are including bow-shaped diving board (41), splint (42) and sponge layer (43), and bow-shaped diving board (41) one end is fixed at the inner wall of inner box (2), and the other end is fixed with splint (42), bow-shaped diving board (41) are with splint (42) inside promotion of inner box (2).

2. A multi-ply composite corrugated cardboard packing box according to claim 1 wherein: the surface of the splint (42) is provided with the sponge layer (43).

3. A multi-ply composite corrugated cardboard packing box according to claim 1 wherein: the two ends of the upright post (32) are provided with the strip-shaped plates (34).

4. A multi-ply composite corrugated cardboard packing box according to claim 1 wherein: a positioning structure (5) used for limiting the position of the bow-shaped spring plate (41) is arranged between the clamping plate (42) and the inner box (2);

the positioning structure (5) comprises a limiting plate (51), a movable rod (52) and a fixed rod (53);

the movable rod (52) and the fixed rod (53) are respectively fixed on the inner box (2) and the clamping plate (42) along the horizontal direction, and the movable rod and the fixed rod are connected through a locking structure.

5. A multilayer composite corrugated cardboard packing box according to claim 4 characterised in that: the locking structure comprises a sliding groove (54), a spring (55), a button (57) and a locking ring (58), wherein the first end of the sliding groove (54) is fixed on the fixing rod (53), the locking ring (58) is arranged in the sliding groove (54) through the sliding groove, one side, close to the first end of the sliding groove (54), of the locking ring (58) is provided with the spring (55), one end, far away from the sliding groove (54), of the locking ring (58) is provided with the button (57), the movable rod (52) penetrates through the locking ring (58), and one side, close to the locking ring (58), of the movable rod (52) is evenly provided with a limiting groove (56).

6. A multi-ply composite corrugated cardboard packing box according to claim 1 wherein: the outer side of the edge of the outer box (1) is wrapped with a protective corner (9).

7. A multi-ply composite corrugated cardboard packing box according to claim 5 wherein: the limiting plate (51) is arranged at one end, far away from the clamping plate (42), of the movable rod (52).

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