CN204776430U - High strength packing carton - Google Patents

Abstract

The utility model discloses a high-strength packaging carton, which comprises a box body formed by integral composite pressing of multi-layer cardboards, the box body includes four side panels surrounding the four walls of the carton and two ends respectively connected to the side panels And the foldable box cover is equipped with a set of removable reinforcing ribs on the outer surface of each side panel. The cardboards that make up the box body are honeycomb paper layer, compression layer, corrugated paper layer from inside to outside. Layer, waterproof layer, and a support bar is vertically installed at the four corners inside the box. In the utility model, the reinforcing ribs arranged crosswise on the four side panels can improve the lateral bearing capacity of the box body, and the support strips installed at the four corners inside the box body can improve the longitudinal bearing capacity of the box body, and the box body is composed of Composite pressing of multi-layer cardboard, the anti-compression layer further improves the strength of the box body. Compared with the existing technology: this packaging carton has the characteristics of large load-bearing capacity, high strength, excellent waterproof and moisture-proof performance, and simple structure. Strong practicality.

Description

A high-strength packaging carton

technical field

The utility model relates to a carton for packaging, in particular to a high-strength packaging carton.

Background technique

Cartons are the most widely used packaging products. Cartons are popular because of their cheap price, low production cost and recyclability. Although the carton is convenient to use, the compressive strength of the carton is weak because it is made of paper. To ensure that the carton has better compressive performance, it is necessary to improve the quality and production process of the carton board, which requires increasing the content of high-quality fiber in the carton board. The high-quality fiber comes from better quality wood, and better wood should be Used to make more advanced furniture.

Existing carton boards generally use second-use fibers such as waste paper. After these fibers are used once, their mechanical properties have declined. The carton boards made of them have poor bearing capacity and strength and short service life. At the same time, cartons are easily deformed by moisture, especially the corners of cartons, which are more likely to be worn and damaged during the process of packaging, unloading and moving. Moreover, the waterproof and moisture-proof performance of the carton is poor, which affects the protective effect of the carton on the contents of the box.

Utility model content

Aiming at the above shortcomings, the utility model provides a packing carton with large bearing capacity, high strength, good water resistance, and not easy to be damaged.

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

A high-strength packaging carton, comprising a box made of multi-layer paperboards, the box includes four side panels that surround the four walls of the carton, and two ends that are respectively connected to the side panels and can be turned over. The outer surface of each side panel is provided with a set of removable reinforcing ribs on the outer surface of the box cover. The cardboard constituting the box body consists of a honeycomb paper layer, a compression layer, a corrugated paper layer, and a waterproof layer in sequence from the inside to the outside. And a support bar is installed vertically at the four corners inside the box body.

In the above solution, in order to improve the supporting and reinforcing effect of the reinforcing rib, the reinforcing rib is preferably two nylon ropes or elastic ropes crossed and connected to the diagonal corners of the side panels.

In the above scheme, in order to prevent the carton from easily absorbing water and getting damp when the carton is placed on the wet ground, a waterproof sticker is bonded to the upper and lower ends of each side panel.

In the above solution, in order to improve the strength of the wall body of the carton, the pressure-resistant layer may be a coated paper layer coated with nano-calcium carbonate on the surface.

In the above solution, the waterproof layer may be a high-density polyethylene film with a thickness of 0.1-0.3 mm.

The beneficial effects of the utility model are:

1. The reinforcement ribs arranged crosswise on the four side panels of the utility model can improve the lateral bearing capacity of the box body, and the support strips installed at the four corners inside the box body can improve the longitudinal bearing capacity of the box body, and the box body The body is made of multi-layer cardboard, and the anti-compression layer further improves the strength of the box body. Compared with the existing technology: this packaging carton has the characteristics of large load-bearing capacity, high strength, and strong compression resistance;

2. The outermost layer of the box is a waterproof layer and the two ends of each side panel are bonded with waterproof glue, which improves the waterproof and moisture-proof performance of the box, and the honeycomb paper layer can improve the shock resistance of the carton. The packing carton has the characteristics of simple structure and strong practicability.

Description of drawings

Fig. 1 is a structural schematic diagram of the high-strength packaging carton.

Fig. 2 is a schematic cross-sectional structure diagram of the cardboard constituting the box body.

The labels in the figure are: 1. box body; 2. support bar; 3. reinforcing rib; 4. waterproof glue; 5. waterproof layer; 6. corrugated paper layer; 7. compression layer; 8. honeycomb paper layer.

Detailed ways

The utility model will be further explained below in conjunction with the accompanying drawings and specific embodiments, but it is not intended to limit the utility model.

As shown in Figure 1, a high-strength packaging carton includes a box body 1 formed by integrally pressing multiple layers of cardboard. The box body 1 includes four side panels that surround the four walls of the carton and are respectively connected to the side panels The two ends of the box cover can be turned over, and a group of removable reinforcing ribs 3 are arranged on the outer surface of each side panel. The reinforcing rib 3 is two nylon ropes or elastic ropes crossed and connected to the opposite corners of the side panels. A waterproof sticker 4 is bonded to the upper and lower ends of each side panel, and the specific structure of the waterproof sticker 4 can be transparent adhesive tape.

A support bar 2 is installed vertically at the four corners inside the box body 1, and the setting of the support bar 2 can improve the longitudinal bearing capacity of the carton. The support bar 2 can specifically be a hard plastic bar or a smooth-surfaced wooden bar, and can be vertically installed on the corner of the box body 1 by bonding or clamping.

As shown in FIG. 2 , the cardboard constituting the box body 1 includes a honeycomb paper layer 8 , a compression layer 7 , a corrugated paper layer 6 , and a waterproof layer 5 from inside to outside. in,

The anti-compression layer 7 is coated paper layer coated with nano-calcium carbonate, of course, it can also be other high-strength materials with anti-compression effect. The waterproof layer 5 is a high-density polyethylene film with a thickness of 0.1-0.3 mm.

The above is only to illustrate the implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the utility model , should be included within the protection scope of the present utility model.

Claims (5)

1. A high-strength packaging carton, including a box body (1) formed by integrally pressing multiple layers of cardboard. The box body (1) includes four side panels that surround the four walls of the carton and are respectively connected to the side panels. The two ends of the foldable box cover are characterized in that: a set of removable reinforcing ribs (3) are provided on the outer surface of each side panel, and the cardboard constituting the box (1) is To the outside there are honeycomb paper layer (8), compression layer (7), corrugated paper layer (6), waterproof layer (5), and a support bar is vertically installed at the four corners inside the box body (1) (2). 2. The high-strength packaging carton according to claim 1, characterized in that: the reinforcing ribs (3) are two nylon ropes or elastic ropes crossed and connected to the opposite corners of the side panels. 3. The high-strength packaging carton according to claim 1, characterized in that: a waterproof sticker (4) is bonded to the upper and lower ends of each side panel. 4. The high-strength packaging carton according to claim 1, characterized in that: the pressure-resistant layer (7) is a coated paper layer coated with nanometer calcium carbonate. 5. The high-strength packaging carton according to claim 1, characterized in that: the waterproof layer (5) is a high-density polyethylene film with a thickness of 0.1-0.3mm.