Easily degradable environment-friendly packaging bag with compression resistance and shock resistance

By introducing a honeycomb-shaped high-density polyethylene shock-absorbing skeleton and a buffer bubble structure into the packaging bag, combined with easily degradable materials and scratch-resistant film, the problem of pressure resistance and shock absorption of easily degradable packaging bags is solved, achieving higher connection strength and shock absorption effect.

CN223521409UActive Publication Date: 2025-11-07WEIHAI KUNTENG PACKAGING MATERIAL CO LTD
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Patent Information

Application Number
CN202423260629.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-11-07
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

Existing biodegradable and environmentally friendly packaging bags have poor compression resistance and shock absorption, making items easily deformed and damaged by compression, and the seals are prone to bursting open.

Method used

It adopts a U-shaped cavity structure, with a honeycomb high-density polyethylene shock-absorbing skeleton and evenly distributed buffer bubbles inside. The edges are fixed by fixing strips and adhesives, and the outer layer is coated with an anti-scratch film. The inner and outer layers are made of easily degradable materials.

Benefits of technology

It improves the pressure and shock resistance of the packaging bag, extends its service life, prevents the bag opening from bursting, and enhances the connection strength and shock absorption and pressure resistance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of packaging bags, and particularly relates to an easily degradable environment-friendly packaging bag with compression resistance and shock resistance, which comprises a bag body, the bag body comprises two bag bodies which are distributed front and back, the two bag bodies are connected through three edges in an ironing manner to form a U-shaped cavity, an opening of the U-shaped cavity is a bag opening, the bag body positioned at the back extends outwards at the bag opening to form a sealing edge, and the sealing edge is arranged at the opening of the U-shaped cavity. The damping framework is composed of a plurality of hollow hexagonal prisms, the whole damping framework is of a honeycomb structure, is made of a high-density polyethylene material and is high in elasticity and toughness, when the front side and the rear side of the bag body are extruded and impacted, the hollow hexagonal prisms of the honeycomb structure deform, resilience force generated after deformation plays a role in buffering and damping, the damping and compression resisting effects of the bag body are effectively improved, and the service life of the bag body is prolonged. Articles in the bag body are prevented from being pressed and damaged, the service life is prolonged, the multiple evenly-distributed buffering bubbles are arranged between the connecting layer and the outer layer, and the damping and pressure resisting effects are further improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to packing bag technical field, concretely is a kind of easily degradable environment-friendly packing bag with pressure resistance and shock resistance. BACKGROUND

[0002] In recent years, with the enhancement of people's environmental awareness, more and more packing bags begin to use degradable biological materials to replace plastic materials, especially food packing bags used for shopping, which can be reused on the basis of degradability to reduce environmental pollution.

[0003] However, the existing easily degradable environment-friendly packing bag has poor extrusion resistance and shock resistance, and the goods placed inside are easily deformed and damaged by extrusion. Moreover, the existing packing bag is generally sealed by a simple adhesive layer, which is easily broken when extruded from the outside, thereby affecting use. SUMMARY

[0004] The utility model aims at providing an easily degradable environment-friendly packing bag with pressure resistance and shock resistance, which improves the shock resistance and prolongs the service life.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an easily degradable environment-friendly packing bag with pressure resistance and shock resistance, comprising a bag body, the bag body comprises two front and rear distributed bag bodies, the two bag bodies are connected by three edges to form a U-shaped cavity, the opening of the U-shaped cavity is a bag opening, the rear bag body extends outward at the bag opening to form a sealing edge, and a fixing strip is fixedly connected to the outer wall of the front bag body; shock-absorbing skeletons are fixedly connected to the left and right sides of the inside of the U-shaped cavity; the bag body comprises an inner layer, the outer wall of the inner layer is fixedly connected with a connecting layer, the outer wall of the connecting layer is provided with an outer layer, and a plurality of evenly distributed buffer bubbles are arranged between the connecting layer and the outer layer.

[0006] To improve the shock resistance of the packing bag, as an easily degradable environment-friendly packing bag with pressure resistance and shock resistance of the utility model, the shock-absorbing skeletons are composed of a plurality of hollow hexagonal prisms, and the whole is in a honeycomb structure.

[0007] To improve the elasticity and toughness of the shock-absorbing skeletons, as an easily degradable environment-friendly packing bag with pressure resistance and shock resistance of the utility model, the shock-absorbing skeletons are made of high-density polyethylene.

[0008] To make the packing bag easily degradable, as an easily degradable environment-friendly packing bag with pressure resistance and shock resistance of the utility model, the inner layer and the outer layer are made of the same material, which is one of polybutylene succinate, polycaprolactone, polyglycolic acid and carbon dioxide degradable plastic.

[0009] In order to improve the package bag wall resistance to scratch and wear resistance, as a kind of anti-pressing shock-resistant easily degradable environment-friendly packaging bag of the utility model, the outer wall of the outer layer is coated with scratch-resistant film.

[0010] In order to improve the packaging bag shock absorption effect, as a kind of anti-pressing shock-resistant easily degradable environment-friendly packaging bag of the utility model, the connecting layer and the plurality of buffer bubbles are of integral structure.

[0011] Compared with the prior art, the utility model has the beneficial effects as follows:

[0012] When the bag opening of the utility model is sealed, first, the edge is folded forward and passes through the fixed strip, then the edge is folded up and down with the lower end of the fixed strip as the folding point, and then the edge and the front bag body are pasted and fixed through the adhesive, so that the bag opening is effectively sealed, the connection strength is high, the bag opening is avoided to break open, the left and right sides of the U-shaped cavity are fixedly connected with the shock-absorbing framework, the shock-absorbing framework is composed of a plurality of hollow hexagonal prisms, the whole is in honeycomb structure, and is made of high-density polyethylene material, the elastic toughness is high, when the front and rear sides of the bag body are extruded and impacted, the hollow hexagonal prisms in honeycomb structure are deformed, the rebound force generated after deformation plays a buffering and shock-absorbing role, the shock-absorbing and pressure-resistant effect of the bag body is effectively improved, the internal articles of the bag body are avoided to be damaged under pressure, and the service life is prolonged, a plurality of uniformly distributed buffer bubbles are arranged between the connecting layer and the outer layer, and the shock-absorbing and pressure-resistant effect is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the overall structure schematic diagram of the bag opening open state of the utility model;

[0014] Fig. 2 It is the overall structure schematic diagram of the bag opening sealing state of the utility model;

[0015] Fig. 3 It is the three-dimensional structure schematic diagram of the shock-absorbing framework of the utility model;

[0016] Fig. 4 It is the sectional structure schematic diagram of the bag body of the utility model.

[0017] In the drawing: 1, bag body; 2, bag body; 3, edge; 4, fixed strip; 5, shock-absorbing framework; 6, hollow hexagonal prism; 7, inner layer; 8, connecting layer; 9, outer layer; 10, scratch-resistant film; 11, buffer bubble. PREFERRED EMBODIMENT

[0018] Please refer to Figs. 1 to 4The utility model provides a kind of easily degradable environment-friendly packing bag with anti-pressure shock resistance, including bag body 1, bag body 1 includes two front and rear distribution bag body 2, two bag body 2 are connected into U-shaped cavity by three edges and are fused, the opening of U-shaped cavity is bag mouth, located rear bag body 2 is formed at bag mouth and extends outward to form edge 3, fixed strip 4 is fixedly connected on the outer wall of front bag body 2, the left and right sides in the inside of U-shaped cavity are fixedly connected with shock-absorbing framework 5, bag body 2 includes inner layer 7, the outer wall of inner layer 7 is fixedly connected with connecting layer 8, the outer wall of connecting layer 8 is provided with outer layer 9, and a plurality of evenly distributed buffer bubbles 11 are arranged between connecting layer 8 and outer layer 9.

[0019] In the embodiment, when sealing the bag mouth, first fold the edge 3 forward and pass through the fixed strip 4, then fold the edge 3 up and down with the lower end of the fixed strip 4 as the folding point, and then paste and fix the edge 3 and the front bag body 2 through an adhesive, so as to effectively seal the bag mouth, with high connection strength, to avoid the bag mouth from breaking open. The left and right sides in the inside of the U-shaped cavity are fixedly connected with the shock-absorbing framework 5, which is composed of a plurality of hollow hexagonal prisms 6 and has a honeycomb structure and is made of high-density polyethylene, with high elasticity and toughness. When the bag body 1 is pressed and impacted from the front and rear sides, the hollow hexagonal prisms 6 with the honeycomb structure are deformed, and the rebound force generated after deformation plays a buffering and shock-absorbing role, effectively improving the shock-absorbing and pressure-resistant effect of the bag body 1, avoiding damage to the items in the bag body 1 under pressure, and prolonging the service life. A plurality of evenly distributed buffer bubbles 11 are arranged between the connecting layer 8 and the outer layer 9, further improving the shock-absorbing and pressure-resistant effect.

[0020] As a technical optimization scheme of the utility model, the shock-absorbing framework 5 is composed of a plurality of hollow hexagonal prisms 6 and has a honeycomb structure.

[0021] In the embodiment, the shock-absorbing framework 5 is composed of a plurality of hollow hexagonal prisms 6 and has a honeycomb structure. When the bag body 1 is pressed and impacted from the front and rear sides, the hollow hexagonal prisms 6 with the honeycomb structure are deformed, and the rebound force generated after deformation plays a buffering and shock-absorbing role, effectively improving the shock-absorbing and pressure-resistant effect of the bag body 1.

[0022] As a technical optimization scheme of the utility model, the shock-absorbing framework 5 is made of high-density polyethylene.

[0023] In the embodiment, the shock-absorbing framework 5 is made of high-density polyethylene, with high elasticity and good toughness, and good buffering and shock-absorbing effect.

[0024] As a technical optimization scheme of the utility model, the inner layer 7 and the outer layer 9 are made of the same material, which is one of polybutylene succinate, polycaprolactone, polyglycolic acid, and carbon dioxide degradable plastic.

[0025] In the embodiment, the inner layer 7 and the outer layer 9 are made of the same material, which is one of polybutylene succinate, polycaprolactone, polyglycolic acid and carbon dioxide degradable plastic, and is an easily degradable material, so that the bag is more environmentally friendly.

[0026] As a technical optimization scheme of the utility model, the outer wall of the outer layer 9 is coated with an anti-scratch film 10.

[0027] In the embodiment, the outer wall of the outer layer 9 is coated with an anti-scratch film 10, which improves the anti-scratch and wear-resistant effect of the outer wall of the bag body 1.

[0028] As a technical optimization scheme of the utility model, the connecting layer 8 and the plurality of buffer bubbles 11 are of an integrated structure.

[0029] In the embodiment, the connecting layer 8 and the plurality of buffer bubbles 11 are of an integrated structure, and the connecting layer 8 provides a connecting base layer for the plurality of buffer bubbles 11.

[0030] Working principle: when the bag opening of the utility model is sealed, first, the sealing edge 3 is folded forward and passes through the fixed strip 4, then the sealing edge 3 is folded up and down with the lower end of the fixed strip 4 as the folding point, and then the sealing edge 3 and the front bag body 2 are fixed by adhesive, so as to effectively seal the bag opening, with high connection strength, avoiding the bag opening from breaking open, the left and right sides of the U-shaped cavity are fixedly connected with shock-absorbing skeletons 5, the shock-absorbing skeletons 5 are composed of a plurality of hollow hexagonal prisms 6, and the whole is in a honeycomb structure and is made of high-density polyethylene material with high elasticity and toughness, when the bag body 1 is pressed and impacted from the front and rear sides, the hollow hexagonal prisms 6 in the honeycomb structure are deformed, and the rebound force generated after deformation plays a buffering and shock-absorbing role, effectively improving the shock-absorbing and pressure-resistant effect of the bag body 1, avoiding damage to the internal articles of the bag body 1, prolonging the service life, and the plurality of buffer bubbles 11 evenly distributed between the connecting layer 8 and the outer layer 9 further improve the shock-absorbing and pressure-resistant effect.

[0031] The above is only a preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An easily degradable environment-friendly packaging bag with anti-pressing shock resistance, comprising a bag body (1), characterized in that: The bag body (1) comprises two front and rear distributed bag bodies (2), the two bag bodies (2) are connected by three edges to form a U-shaped cavity, the opening of the U-shaped cavity is a bag opening, the rear bag body (2) extends outward at the bag opening to form a sealing edge (3), the outer wall of the front bag body (2) is fixedly connected with a fixing strip (4), the left and right sides of the U-shaped cavity are fixedly connected with shock absorbing skeletons (5), the bag body (2) comprises an inner layer (7), the outer wall of the inner layer (7) is fixedly connected with a connecting layer (8), the outer wall of the connecting layer (8) is provided with an outer layer (9), a plurality of evenly distributed buffer bubbles (11) are arranged between the connecting layer (8) and the outer layer (9).

2. The easily degradable environment-friendly packaging bag with compression resistance and shock resistance according to claim 1, characterized in that: The shock absorbing skeleton (5) is composed of a plurality of hollow hexagonal prisms (6) and has a honeycomb structure as a whole.

3. The easily degradable environment-friendly packaging bag with compression resistance and shock resistance according to claim 1, characterized in that: The shock absorbing skeleton (5) is made of high-density polyethylene.

4. The easily degradable environment-friendly packaging bag with compression resistance and shock resistance according to claim 1, characterized in that: The inner layer (7) and the outer layer (9) are made of the same material, which is one of polybutylene succinate, polycaprolactone, polyglycolic acid and carbon dioxide degradable plastic.

5. The easily degradable environment-friendly packaging bag with compression resistance and shock resistance according to claim 1, characterized in that: The outer wall of the outer layer (9) is coated with an anti-scratch film (10).

6. The easily degradable environment-friendly packaging bag with compression resistance and shock resistance according to claim 1, characterized in that: The connecting layer (8) and the plurality of buffer bubbles (11) have an integrated structure.