Midsole paperboard for fracture-resistant shoes

Abstract

The utility model relates to the technical field of insole paperboards for shoes, and discloses an anti-fracture insole paperboard for shoes, which comprises an elastic layer, a breathable layer is arranged on the upper portion of the elastic layer, a reinforcing layer is arranged on the lower portion of the elastic layer, and a paperboard base layer is arranged on the lower portion of the reinforcing layer. The elastic layer comprises a protective shell, rubber columns and EPP particles, the multiple rubber columns are arranged in the protective shell, and gaps between the rubber columns and the protective shell are filled with the EPP particles. According to the anti-fracture insole paperboard for the shoes, the dead weight of the rubber columns is reduced through the cavities, the supporting capacity of the rubber columns is improved by injecting air into the cavities, the damping effect of the elastic layer is improved, the anti-fracture capacity of an insole can be improved to a certain extent through the kairaff puncture-proof layer, and the first EVA layer and the second EVA layer are high in rebound resilience, tension resistance and toughness and not prone to fracture. The shock-proof insole has good shock-proof and buffering performance, and the silk screen layer is additionally arranged between the first EVA layer and the second EVA layer, so that the strength of the insole can be greatly improved, and the insole is effectively prevented from being broken.

Description

TECHNICAL FIELD

[0001] The utility model relates to shoe midsole paperboard technical field, especially in kind of anti -breakage shoe midsole paperboard. BACKGROUND

[0002] In daily life, the shoes we wear usually have three layers of structure of outsole, midsole and insole, the outsole is the outer layer directly contacting the ground, the insole is the inner layer contacting the human foot, the midsole is a layer between the outsole and the insole, is an important part of the sole, mainly plays the role of support and provides elasticity, and also has proper air permeability to play the role of deodorization.

[0003] The current shoe shock absorption sets up air interlayer in the sole, but the shell of the air interlayer is easy to break, thereby causing air leakage, so that the shoes cannot shock absorption, and the two shoes are high and low, thereby reducing the use comfort of the shoes, and part of the sole is very easy to break in the user's movement process. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of anti -breakage shoe midsole paperboard, can effectively solve the problem in background art.

[0005] To achieve the above object, the technical scheme adopted by the utility model is as follows: a kind of anti -breakage shoe midsole paperboard, including elastic layer, the elastic layer upper portion is provided with air-permeable layer, the elastic layer lower portion is provided with reinforcing layer, the reinforcing layer lower portion is provided with paperboard base layer;

[0006] The elastic layer includes protective shell, rubber column and EPP particle, a plurality of rubber columns are arranged inside the protective shell, and the EPP particles are filled in the gaps between the rubber columns and the protective shell.

[0007] Preferably, the air-permeable layer is provided with a plurality of exhaust holes in the middle.

[0008] Preferably, the lower part of the protective shell is provided with a Kevlar puncture-resistant layer.

[0009] Preferably, the rubber column is provided with a cavity inside, and the cavity is filled with air.

[0010] Preferably, an anti-twist layer is arranged between the elastic layer and the reinforcing layer.

[0011] Preferably, the reinforcing layer includes EVA layer one, silk screen layer and EVA layer two, the lower part of the EVA layer one is arranged on the upper part of the silk screen layer, the lower part of the silk screen layer is arranged on the upper part of the EVA layer two, the lower part of the EVA layer two is arranged on the upper part of the paperboard base layer, and the upper part of the EVA layer one is arranged on the lower part of the anti-twist layer.

[0012] Compared with the prior art, the utility model has the beneficial effects that

[0013] 1, through the cavity reduces the self weight of rubber column, and through the air injection increases its support ability, improves the damping effect of elastic layer, through setting up a plurality of rubber columns, even if several rubber columns break, the rest rubber column still can support and shock attenuation well, through the kailav anti -piercing layer, prevent the sharp -piercing shoe sole, thereby protection foot, and prevent the sharp -piercing rubber column, prevent rubber column break, and kailav anti -piercing layer can increase the anti -fracture capacity of midsole to a certain extent, EVA layer one and EVA layer two resilience and tensile force are high, and the toughness is high, has good shockproof, buffering performance, and between EVA layer one and EVA layer two add silk screen layer, can greatly increase the strength of midsole, effectively prevent its fracture. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the three-dimensional structure schematic view of the midsole paperboard for the anti-fracture shoe of the utility model;

[0015] Fig. 2 It is the reinforcing layer assembly structure schematic view of the midsole paperboard for the anti-fracture shoe of the utility model;

[0016] Fig. 3 It is the elastic layer assembly structure schematic view of the midsole paperboard for the anti-fracture shoe of the utility model.

[0017] In the drawing: 1, air layer;2, elastic layer;201, protective shell;202, rubber column;3, reinforcing layer;301, EVA layer one;302, silk screen layer;303, EVA layer two;4, paperboard base layer;5, exhaust hole;6, anti -twist layer. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific implementation manners.

[0019] For example Figs. 1-3As shown, a kind of anti-fracture shoe midsole paperboard, including elastic layer 2, the upper part of elastic layer 2 is provided with breathable layer 1, the lower part of elastic layer 2 is provided with reinforcing layer 3, the lower part of reinforcing layer 3 is provided with paperboard base layer 4, paperboard base layer (4) is the basic load structure of midsole paperboard, made of high-strength shoe paperboard, for fixing reinforcing layer, elastic layer and other functional layers, guarantee the overall form and structural stability of midsole paperboard;Above all, through cavity, the self-weight of rubber column 202 is reduced, and by injecting air inward, the supporting capacity of rubber column 202 is increased, the damping effect of elastic layer 2 is improved, by setting multiple rubber columns 202, even if several rubber columns 202 break, the remaining rubber columns 202 can still support and dampen well, by kelfa puncture-proof layer, prevent sharp penetration through the sole, thereby protecting the foot, and prevent sharp to pierce rubber column 202, prevent rubber column 202 from breaking, and kelfa puncture-proof layer can increase the anti-fracture capacity of midsole to a certain extent, EVA layer one 301 and EVA layer two 303 have high resilience and tensile strength, high toughness, good shockproof and buffering performance, and silk screen layer 302 is additionally provided between EVA layer one 301 and EVA layer two 303, which can greatly increase the strength of midsole and effectively prevent it from breaking.

[0020] Elastic layer 2 includes protective shell 201, rubber column 202 and EPP particle, multiple rubber columns 202 are arranged inside protective shell 201, EPP particle is filled in the gap between rubber column 202 and protective shell 201, damping is carried out through the elasticity of rubber column 202 and EPP particle, and the use comfort of shoes is improved.

[0021] Breathable layer 1 is provided with a plurality of exhaust holes 5 in the middle, the air permeability of breathable layer 1 is improved by opening a plurality of exhaust holes 5, so as to improve the use comfort of shoes.

[0022] The lower part of protective shell 201 is provided with kelfa puncture-proof layer, by kelfa puncture-proof layer, prevent sharp penetration through the sole, thereby protecting the foot, and prevent sharp to pierce rubber column 202, prevent rubber column 202 from breaking.

[0023] Rubber column 202 is provided with a cavity inside, the cavity is filled with air, the self-weight of rubber column 202 is reduced by cavity, and by injecting air inward, the supporting capacity of rubber column 202 is increased, the damping effect of elastic layer 2 is improved, by setting multiple rubber columns 202, even if several rubber columns 202 break, the remaining rubber columns 202 can still support and dampen well.

[0024] Anti-twist layer 6 is arranged between elastic layer 2 and reinforcing layer 3, which can keep the stability and rigidity of the sole during movement, so as to protect the foot from injury.

[0025] The reinforcing layer 3 comprises an EVA layer one 301, a silk screen layer 302 and an EVA layer two 303, the lower part of the EVA layer one 301 is arranged on the upper part of the silk screen layer 302, the lower part of the silk screen layer 302 is arranged on the upper part of the EVA layer two 303, the lower part of the EVA layer two 303 is arranged on the upper part of the paperboard base layer 4, the upper part of the EVA layer one 301 is arranged on the lower part of the anti-torsion layer 6, the EVA layer one 301 and the EVA layer two 303 have high resilience and tensile strength and high toughness, have good shockproof and buffering performance, and the silk screen layer 302 arranged between the EVA layer one 301 and the EVA layer two 303 can greatly increase the strength of the midsole and effectively prevent the midsole from being broken.

[0026] Working principle:

[0027] The cavity reduces the self-weight of the rubber column 202, the support capacity of the rubber column 202 is increased by injecting air inwards, the shock absorption effect of the elastic layer 2 is improved, even if several rubber columns 202 are broken, the remaining rubber columns 202 can still well support and absorb shock, the Kevlar puncture-proof layer prevents the sharp object from penetrating the sole, thereby protecting the feet, and prevents the sharp object from penetrating the rubber column 202, prevents the rubber column 202 from being broken, and the Kevlar puncture-proof layer can increase the anti-breaking capacity of the midsole to a certain extent, the EVA layer one 301 and the EVA layer two 303 have high resilience and tensile strength and high toughness, have good shockproof and buffering performance, and the silk screen layer 302 arranged between the EVA layer one 301 and the EVA layer two 303 can greatly increase the strength of the midsole and effectively prevent the midsole from being broken.

[0028] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A break-resistant shoe midsole paperboard comprising an elastic layer (2), characterized in that: The upper part of the elastic layer (2) is provided with a breathable layer (1), the lower part of the elastic layer (2) is provided with a reinforcing layer (3), and the lower part of the reinforcing layer (3) is provided with a paperboard base layer (4). The elastic layer (2) comprises a protective shell (201), rubber columns (202) and EPP particles, a plurality of rubber columns (202) are arranged inside the protective shell (201), and the EPP particles are filled in the gaps between the rubber columns (202) and the protective shell (201).

2. A shoe midsole paperboard resistant to breaking according to claim 1, characterized in that: The breathable layer (1) is provided with a plurality of exhaust holes (5) in the middle part.

3. The anti-fracture shoe midsole paperboard of claim 1, wherein: The lower part of the protective shell (201) is provided with a Kevlar puncture-resistant layer.

4. The anti-fracture shoe midsole paperboard of claim 1, wherein: The rubber column (202) is provided with a cavity inside, and the cavity is filled with air.

5. A shoe midsole paperboard resistant to breaking according to claim 1, characterized in that: The elastic layer (2) and the reinforcing layer (3) are provided with an anti-twist layer (6) therebetween.

6. A shoe midsole paperboard resistant to breaking according to claim 5, characterized in that: The reinforcing layer (3) comprises an EVA layer one (301), a silk screen layer (302) and an EVA layer two (303), the lower part of the EVA layer one (301) is arranged on the upper part of the silk screen layer (302), the lower part of the silk screen layer (302) is arranged on the upper part of the EVA layer two (303), the lower part of the EVA layer two (303) is arranged on the upper part of the paperboard base layer (4), and the upper part of the EVA layer one (301) is arranged on the lower part of the anti-twist layer (6).

Images