CN215303431U - Wear-resisting type PU leather vamp - Google Patents

Abstract

The utility model relates to the field of vamps, in particular to a wear-resistant PU leather vamp. The utility model aims to solve the technical problem of providing a wear-resistant PU leather vamp which has high ductility and wear resistance, has hydrophobicity, avoids being infected with water and dust, prolongs the whole service life, improves the wearing comfort of a user and keeps feet dry and comfortable. A wear-resistant PU leather vamp comprises a main body, a supporting piece, a collar, a tongue, a fabric base layer, an elastic layer, a PU resin layer, a wear-resistant layer and a hydrophobic coating. The utility model achieves the effects of high ductility and wear resistance, hydrophobicity, avoiding contamination of water and dust, prolonging the overall service life, improving the wearing comfort of a user and keeping feet dry and comfortable.

Description

Wear-resisting type PU leather vamp

Technical Field

The utility model relates to the field of vamps, in particular to a wear-resistant PU leather vamp.

Background

The PU chemical Chinese name is polyurethane, PU leather is the skin of polyurethane components, is also called PU synthetic leather, is usually produced and processed by taking polyurethane resin and non-woven fabrics as raw materials, the development of society and the continuous improvement of living standard of people enable synthetic leather products to enter various fields of national economy, and the synthetic leather products are widely suitable for decorating bags, clothes, shoes, vehicles and furniture, are increasingly determined by the market, have wide application range, large quantity and many varieties, and cannot be met by the traditional natural leather.

Shoes that PU leather made can produce the friction in the in-process of using, this requires that the synthetic leather possesses certain antifriction nature, but PU leather's wearability compares in natural leather and is inferior a lot, not only influences the result of use, still can influence life, therefore need urgently to develop one kind and have high ductility and wearability, and have hydrophobicity and avoid being infected with water and dust, improve whole life, the travelling comfort that improves the user and wear simultaneously keeps the dry and comfortable wear-resisting type PU leather vamp of foot.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects that the wear resistance of PU leather is much lower than that of natural leather, the use effect is influenced, and the service life is influenced.

The utility model is achieved by the following specific technical means:

a wear-resistant PU leather vamp comprises a main body, a supporting piece, a collar and a tongue; the main body, the supporting piece, the collar and the tongue are connected into a whole; the main body comprises a fabric base layer, an elastic layer, a PU resin layer, a wear-resistant layer and a hydrophobic coating; the fabric base layer is positioned at the innermost side of the vamp and is formed by weaving cotton cloth fibers; the top of the fabric base layer is interweaved with a PU resin layer, and the PU resin layer is produced and processed by polyurethane resin and non-woven fabric raw materials; an elastic layer is arranged between the fabric base layer and the PU resin layer; the side of the PU resin layer, which is far away from the elastic layer, is interweaved with a wear-resistant layer, and the wear-resistant layer is made of polyvinyl chloride resin and protects the PU resin layer from being worn and damaged; a hydrophobic coating is arranged on one side of the wear-resistant layer, which is far away from the PU resin layer, and is made of hydrophobic nano silicon dioxide, and a coating is formed on the surface of the wear-resistant layer by adopting a spraying method; the whole vamp is sequentially provided with a fabric base layer, an elastic layer, a PU resin layer, a wear-resistant layer and a hydrophobic coating from inside to outside.

Further, the supporting piece is made of TPU plastic.

Furthermore, foam is arranged on the outer sides of the collar and the tongue fabric base layer.

Further, the elastic layer is made of elastic memory sponge.

Furthermore, a plurality of fine ventilation through holes are formed in the main body.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model achieves high ductility and wear resistance, has hydrophobicity, avoids being infected with water and dust, prolongs the whole service life, and simultaneously improves the wearing comfort of a user and keeps the feet dry and comfortable; the elastic layer is arranged between the fabric base layer and the PU resin layer, the elastic layer is made of elastic sponge, the elastic sponge is polyether polyurethane foam sponge with slow rebound mechanical property, the polyether polyurethane foam sponge has good mechanical properties of absorbing impact force, reducing vibration, having low rebound force and the like, is permeable to a cellular structure, can ensure the air permeability and the moisture absorption required by human skin without punching, has proper heat insulation property, has antibacterial, anti-mite and anti-corrosion properties, has strong adsorption capacity and keeps cleanliness, keeps good durability for a long time, and ensures the contact comfort degree of a human body; the PU resin layer is provided with the wear-resistant layer, the wear-resistant layer is made of polyvinyl chloride resin, and the wear-resistant layer has high heat resistance, high toughness, high ductility and wear resistance and can protect the PU resin layer from being worn and damaged; the outer side of the wear-resistant layer is also provided with a hydrophobic coating, the hydrophobic coating is made of hydrophobic nano silicon dioxide, and a coating is formed on the surface of the wear-resistant layer by adopting a spraying method, so that the PU resin layer and the wear-resistant layer can be prevented from being polluted by water and dust.

Drawings

Fig. 1 is a perspective view of the upper of the present invention.

Fig. 2 is a front view structure diagram of the vamp of the utility model.

FIG. 3 is a schematic structural diagram of the present invention.

The labels in the figures are: 1-main body, 2-support piece, 3-collar, 4-tongue, 11-surface fabric base layer, 12-elastic layer, 13-PU resin layer, 14-wear-resistant layer and 15-hydrophobic coating.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

examples

A wear-resistant PU leather vamp, as shown in figures 1-3, comprises a wear-resistant PU leather vamp comprising a main body 1, a support member 2, a collar 3 and a tongue 4; the main body 1, the supporting member 2, the collar 3 and the tongue 4 are integrally connected with each other; the main body 1 comprises a fabric base layer 11, an elastic layer 12, a PU resin layer 13, a wear-resistant layer 14 and a hydrophobic coating 15; the fabric base layer 11 is positioned at the innermost side of the vamp and is formed by weaving cotton fabric fibers; the top of the fabric base layer 11 is interweaved with a PU resin layer 13, and the PU resin layer 13 is produced and processed by polyurethane resin and non-woven fabric raw materials; an elastic layer 12 is arranged between the fabric base layer 11 and the PU resin layer 13; the PU resin layer 13 is interweaved with the wear-resistant layer 14 on the side away from the elastic layer 12, and the wear-resistant layer 14 is made of polyvinyl chloride resin and protects the PU resin layer 13 from being worn and damaged; a hydrophobic coating 15 is arranged on one side, away from the PU resin layer 13, of the wear-resistant layer 14, the hydrophobic coating 15 is made of hydrophobic nano-silica, and a coating is formed on the surface of the wear-resistant layer 14 by adopting a spraying method; the whole vamp is sequentially provided with a fabric base layer 11, an elastic layer 12, a PU resin layer 13, a wear-resistant layer 14 and a hydrophobic coating 15 from inside to outside.

The support 2 is made of TPU plastic.

And foam is arranged on the outer sides of the fabric base layers 11 of the collar 3 and the tongue 4.

The elastic layer 12 is made of elastic memory sponge.

The main body 1 is provided with a plurality of small ventilation through holes.

The working principle is as follows:

the innermost side of the vamp, which is contacted with a human body, is the fabric base layer 11, the fabric base layer 11 is formed by weaving cotton fibers, and the cotton fibers have good moisture absorption and moisture conductivity and soft touch feeling, so that the inner side of the fabric is contacted with the human body, and the sweat of a wearer can be quickly absorbed after the foot sweats, thereby improving the wearing comfort of the user and keeping the foot dry and comfortable; the elastic layer 12 is arranged between the fabric base layer 11 and the PU resin layer 13, the elastic layer 12 is made of elastic sponge, the elastic sponge is polyether polyurethane foam sponge with slow rebound mechanical property, the polyether polyurethane foam sponge has good mechanical properties of impact force absorption, vibration reduction, low rebound force and the like, and is permeable in a cellular structure, so that the air permeability and the moisture absorption required by human skin can be ensured without punching, the foam sponge has proper heat insulation property, and meanwhile, the foam sponge has antibacterial, anti-mite and anti-corrosion properties, strong adsorption capacity and cleanness keeping, and the foam sponge has durable property and can ensure the contact comfort of human body; the PU resin layer 13 is provided with the wear-resistant layer 14, the wear-resistant layer 14 is made of polyvinyl chloride resin, and polyvinyl chloride (also called PVC) is generally used for the surface layers of floors, ceilings and leather, has high heat resistance, high toughness, high ductility and wear resistance, and protects the PU resin layer 13 from being worn and damaged; the outer side of the wear-resistant layer 14 is also provided with the hydrophobic coating 15, the hydrophobic coating 15 is made of hydrophobic nano silicon dioxide, and a coating is formed on the surface of the wear-resistant layer 14 by adopting a spraying method, so that the PU resin layer 13 and the wear-resistant layer 14 can be prevented from being polluted by water and dust, the PU resin layer 13 and the wear-resistant layer 14 are prevented from being oxidized, and the service life is prolonged.

Wherein the support 2 is made of TPU plastic; TPU is a hard but easily bendable plastic material, has good support and protection, is mainly used on various types of vamps and well strengthens the support effect on the vamps.

Wherein, the outer sides of the fabric base layer 11 at the collar 3 and the tongue 4 are provided with foam; the shoe has the characteristics of good elasticity, light weight, good resilience and bending property and the like, increases the comfort and the air permeability of the shoe, and can also enhance the stereoscopic impression of the waist.

Wherein the elastic layer 12 is made of elastic sponge; the foam material has good mechanical aspects of absorbing impact force, reducing vibration, having low bounce and the like, has a permeable cellular structure, ensures the air permeability and the moisture absorption required by human skin without punching, and has proper heat insulation performance; meanwhile, the antibacterial, anti-mite and anti-corrosion fabric has the advantages of strong adsorption capacity, long-lasting performance and guarantee of the human body contact comfort level.

Wherein, the main body 1 is provided with a plurality of fine ventilation through holes; the air permeability is improved, and the inside of the shoe is always kept dry and comfortable, thereby achieving the purpose of certain deodorization.

Although the present disclosure has been described in detail with reference to the exemplary embodiments, the present disclosure is not limited thereto, and it will be apparent to those skilled in the art that various modifications and changes can be made thereto without departing from the scope of the present disclosure.

Claims (5)

1. A wear-resistant PU leather vamp is characterized by comprising a wear-resistant PU leather vamp body (1), a support piece (2), a collar (3) and a tongue (4); the main body (1), the supporting piece (2), the collar (3) and the tongue (4) are connected into a whole; the main body (1) comprises a fabric base layer (11), an elastic layer (12), a PU resin layer (13), a wear-resistant layer (14) and a hydrophobic coating (15); the fabric base layer (11) is positioned at the innermost side of the vamp and is formed by weaving cotton fabric fibers; the top of the fabric base layer (11) is interweaved with a PU resin layer (13), and the PU resin layer (13) is produced and processed by polyurethane resin and non-woven fabric raw materials; an elastic layer (12) is arranged between the fabric base layer (11) and the PU resin layer (13); one side of the PU resin layer (13) far away from the elastic layer (12) is connected with a wear-resistant layer (14) in an interweaving way, and the wear-resistant layer (14) is made of polyvinyl chloride resin and protects the PU resin layer (13) from being worn and damaged; a hydrophobic coating (15) is arranged on one side, away from the PU resin layer (13), of the wear-resistant layer (14), the hydrophobic coating (15) is made of hydrophobic nano-silica, and a coating is formed on the surface of the wear-resistant layer (14) by adopting a spraying method; the whole vamp is sequentially provided with a fabric base layer (11), an elastic layer (12), a PU resin layer (13), a wear-resistant layer (14) and a hydrophobic coating (15) from inside to outside.

2. A wear-resistant PU leather upper according to claim 1, characterized in that the support (2) is made of TPU plastic.

3. A wear-resistant PU leather upper according to claim 1, characterized in that the collar (3) and tongue (4) are provided with foam on the outside of the fabric substrate (11).

4. A wear-resistant PU leather upper according to claim 1, characterized in that the elastic layer (12) is made of elastic memory sponge.

5. A wear-resistant PU leather upper according to claim 1, characterized in that said main body (1) is provided with a plurality of fine ventilation through holes.

Images