CN211808238U - Bending-resistant leather - Google Patents

Abstract

The utility model discloses a resistant tortuous leather, including fabric layer one, fibrous layer, fabric layer two, leather basic unit, anti-wrinkle layer and inoxidizing coating, the top bonding of fabric layer one has the fibrous layer, the fibrous layer is kept away from one side bonding of fabric layer one has fabric layer two, keeping away from of fabric layer two establish one side of fibrous layer and be provided with the leather basic unit, the leather basic unit is kept away from one side of fabric layer two is provided with anti-wrinkle layer, anti-wrinkle layer is kept away from one side of leather basic unit is provided with the inoxidizing coating. Has the advantages that: by adopting the composite human engineering design and by arranging the air holes, the air permeability of the leather is increased, the leather has low density, soft texture and better elasticity, the bending resistance of the leather is greatly increased, and the service life of the leather is prolonged.

Description

A twist-resistant leather

technical field

The utility model relates to the technical field of artificial leather, in particular to a twist-resistant leather.

Background technique

Artificial leather, which is made of various formulas of PVC and PU foam or lamination on a textile cloth base or non-woven base, and can be processed according to different strength and color, gloss, pattern and other requirements It has the characteristics of a wide variety of colors, good waterproof performance, neat edges, high utilization rate and cheaper price than real leather. However, most artificial leathers cannot achieve the effect of real leather in terms of feel and elasticity. Its longitudinal section can be seen. to fine bubble pores, cloth base or surface film. The existing artificial leather has poor air permeability and is easy to wrinkle during use. If it is bent under force, it is easy to leave creases on the surface of the leather, or even cause damage to the leather, and the existing leather has poor strength and toughness. Less comfortable to use.

For the problems in the related technologies, no effective solutions have been proposed so far.

Utility model content

(1) Technical problems solved

Aiming at the deficiencies of the prior art, the utility model provides a tortuous-resistant leather, which has the advantages of good air permeability and strong tortuous resistance, thereby solving the problem of easy wrinkling of the traditional leather.

(2) Technical solutions

In order to realize the above-mentioned advantages of good air permeability and strong tortuous resistance, the specific technical scheme adopted by the present utility model is as follows:

A twist-resistant leather, comprising a first fabric layer, a fiber layer, a second fabric layer, a leather base layer, an anti-wrinkle layer and a protective layer, wherein the top end of the first fabric layer is bonded with the fiber layer, and the fiber layer is far away from the fabric One side of the first layer is bonded with the second fabric layer, the side of the second fabric layer away from the fiber layer is provided with a leather base layer, and the side of the leather base layer away from the second fabric layer is provided with an anti-wrinkle layer, A protective layer is provided on the side of the anti-wrinkle layer away from the leather base layer.

Further, in order to increase the contact area of the bonding surface of the tooth layer, the area of sizing is also increased, so that the fabric layer 1 and the fiber layer and the fabric layer 2 and the leather base layer are glued. The bonding is more firm, and the situation of glue opening caused by long-term use is avoided. There are tooth layers between the fabric layer 1 and the fiber layer and between the fabric layer 2 and the leather base layer, and the The tooth layer and the first fabric layer and the second fabric layer are all connected by stitching.

Further, in order to play a similar effect as a pre-embedded part, to increase the force between the joint surfaces, make it more firm, and avoid the occurrence of glue opening, the tops of the teeth of the tooth layer are provided with regular tetrahedral particles. , and one vertex of the regular tetrahedral particle is connected with the vertex of the teeth in the tooth layer, and the regular tetrahedral particle is a polyethylene particle.

Further, in order to match the valley bottom with the leather base layer, make the bonding surfaces staggered and bond, and increase the contact area and the amount of glue, the valley bottom is formed between the teeth of the tooth layer.

Further, in order to make the leather surface more beautiful and at the same time increase the air permeability, the protective layer is a wax protective layer, and the surface of the protective layer is provided with embossings, and several ventilation holes are evenly arranged between the embossings.

Further, in order to make the ventilation holes more ergonomically designed and more comfortable and breathable to wear, the diameter of the ventilation holes is 0.01-0.06mm.

Further, in order to make the elastic resin mesh increase the internal tension of the anti-wrinkle layer, and at the same time because the elastic resin mesh is elastic, when it is deformed by rubbing, the elastic resin mesh returns to its original shape when the external force is removed, thereby improving the performance of the elastic resin mesh. The bending resistance of the anti-wrinkle layer, the anti-wrinkle layer is a water-based polyurethane resin layer, and an elastic resin mesh is arranged in the middle of the anti-wrinkle layer.

(3) Beneficial effects

Compared with the prior art, the utility model provides tortuous leather, which has the following beneficial effects:

(1), the utility model adopts the composite ergonomic design, by opening the ventilation holes, the breathability of the leather is increased, and the density is low, the texture is soft, and has good elasticity, which greatly increases the resistance to torsion of the leather , increase the service life of leather.

(2), by setting the fabric layer 1, the fiber layer and the tooth layer and the fabric layer 2 to cooperate with the leather base layer and the tooth layer, so that the regular tetrahedral particles can penetrate deep into the leather base layer and play a similar pre-embedding during leather production. At the same time, the tooth layer increases the contact area of the joint surface, and also increases the area of sizing, so as to make the fabric layer one and the fiber layer and the fabric layer two and the leather base layer between The bonding is more firm, avoiding the occurrence of glue opening caused by long-term use.

(3) By setting the anti-wrinkle layer, the elastic resin net increases the internal tension of the anti-wrinkle layer. At the same time, because the elastic resin net is elastic, if it is deformed by rubbing, the elastic resin net will return to its original shape when the external force is removed, thereby improving the performance of the elastic resin net. Flex resistance of the anti-wrinkle layer.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only of the present invention. For some embodiments of the present invention, for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

Fig. 1 is the structural representation of the tortuous-resistant leather according to the embodiment of the present utility model;

Fig. 2 is the partial enlarged view of A place in Fig. 1;

FIG. 3 is a schematic structural diagram of embossing of tortuous-resistant leather according to an embodiment of the present invention.

In the picture:

1. Fabric layer 1; 2. Fiber layer; 3. Fabric layer 2; 4. Leather base layer; 5. Anti-wrinkle layer; 501, Elastic resin mesh; 6. Protective layer; ; 8, valley bottom; 9, embossing; 10, ventilation holes.

Detailed ways

In order to further illustrate each embodiment, the present invention provides accompanying drawings, which are part of the disclosure of the present invention, which are mainly used to illustrate the embodiments, and can be used to explain the operation principles of the embodiments in conjunction with the relevant descriptions in the specification, With reference to these contents, those of ordinary skill in the art will understand other possible implementations and advantages of the present invention. Components in the figures are not drawn to scale, and similar component symbols are generally used to denote similar components.

According to an embodiment of the present invention, a tortuous leather is provided.

The present utility model will now be further described with reference to the accompanying drawings and specific embodiments. As shown in Figs. 1-3, the tortuous-resistant leather according to the embodiment of the present utility model includes a fabric layer 1, a fiber layer 2, a fabric layer 2 3, and a leather base layer. 4. The anti-wrinkle layer 5 and the protective layer 6, the top of the fabric layer 1 is bonded with the fiber layer 2, and the fiber layer 2 is bonded with the fabric layer 2 3 on the side away from the fabric layer one 1, A leather base layer 4 is provided on the side of the fabric layer 2 3 away from the fiber layer 2 , and an anti-wrinkle layer 5 is provided on the side of the leather base layer 4 away from the fabric layer 2 3 , and the anti-wrinkle layer 5 is far away from the fabric layer 2 . A protective layer 6 is provided on one side of the leather base layer 4 .

With the help of the above scheme, the composite ergonomic design is adopted, and the air permeability of the leather is increased by opening the ventilation holes, and the leather has low density, soft texture and good elasticity, which greatly increases the tortuosity resistance of the leather and increases the growth of the leather. the life of the leather.

In one embodiment, a tooth layer 7 is provided between the fabric layer 1 and the fiber layer 2 and between the fabric layer 2 3 and the leather base layer 4 , and the tooth layer 7 is provided. 7 and the fabric layer one 1 and the fabric layer two 3 are all sewed together, so that the tooth layer 7 increases the contact area of the joint surface, and also increases the area of sizing, thereby making the The adhesion between the fabric layer 1 and the fiber layer 2 and the fabric layer 2 3 and the leather base layer 4 is more firm, which avoids the occurrence of glue opening caused by long-term use.

In one embodiment, the tops of the teeth of the tooth layer 7 are provided with regular tetrahedral particles 701 , and one vertex of the regular tetrahedral particles 701 is the same as the vertex of the teeth in the tooth layer 7 . connection, the regular tetrahedral particles 701 are polyethylene particles, so that the regular tetrahedral particles 701 can penetrate deep into the leather base layer 4 to play a similar effect as a pre-embedded part during leather production, so as to increase the effect between the bonding surfaces force to make it firmer and avoid the occurrence of glue opening.

In one embodiment, a valley bottom 8 is formed between the teeth of the tooth layer 7, so that the valley bottom 8 is matched with the leather base layer 4, so that the bonding surfaces are staggered and bonded, which increases the contact area and the amount of glue applied. .

In one embodiment, the protective layer is a wax protective layer, and the surface of the protective layer 6 is provided with embossings 9, and a plurality of ventilation holes 10 are evenly arranged between the embossings 9, so that the leather surface is more durable. Beautiful while increasing breathability.

In one embodiment, the diameter of the ventilation holes 10 is 0.01-0.06mm. Since the diameter of the pores of the human body is 0.02-0.05mm, the ventilation holes 10 are more ergonomically designed to make wearing more comfortable and breathable .

In one embodiment, the anti-wrinkle layer 5 is a water-based polyurethane resin layer, and an elastic resin mesh 501 is arranged in the middle of the anti-wrinkle layer 5, so that the elastic resin mesh 501 increases the internal tension of the anti-wrinkle layer 5, At the same time, because the elastic resin mesh 501 has elasticity, when deformed by rubbing, the elastic resin mesh will return to its original shape when the external force is removed, thereby improving the tortuous resistance of the anti-wrinkle layer 5 .

To sum up, with the help of the above technical solutions of the present invention, by setting the fabric layer 1, the fiber layer 2, the tooth layer 7, the fabric layer 2 3, the leather base layer 4 and the The teeth and teeth layer 7 cooperate with each other, so that the regular tetrahedral particles 701 can penetrate deep into the leather base layer 4 to play a similar effect as a pre-embedded part during leather production, so as to increase the force between the bonding surfaces. The tooth layer 7 increases the contact area of the bonding surface, and also increases the area of sizing, so that the fabric layer 1 and the fiber layer 2 and the fabric layer 2 3 and the leather base layer 4 are bonded. It is more firm and avoids the occurrence of glue opening caused by long-term use. By arranging the anti-wrinkle layer 5, the elastic resin mesh 501 increases the internal tension of the anti-wrinkle layer 5, and at the same time, because the elastic resin mesh 501 has elasticity, the elastic resin mesh 501 is deformed under rubbing and will not be affected when the external force is removed. The elastic resin mesh is restored to its original state, thereby improving the resistance to bending of the wrinkle-resistant layer 5 . The composite ergonomic design is adopted, and the ventilation holes are opened to increase the breathability of the leather, and it has low density, soft texture, and good elasticity, which greatly increases the tortuosity resistance of the leather and prolongs the service life of the leather. .

In the present utility model, unless otherwise expressly specified and limited, terms such as "installation", "arrangement", "connection", "fixation" and "swivel connection" should be understood in a broad sense, for example, it may be a fixed connection, It can also be detachable connection or integrated; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction of two elements Unless otherwise clearly defined, those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the within the scope of protection of the present invention.

Claims (7)

1. A tortuous leather, characterized in that it comprises fabric layer one (1), fiber layer (2), fabric layer two (3), leather base layer (4), anti-wrinkle layer (5) and protective layer (6) , the fiber layer (2) is bonded to the top of the fabric layer one (1), and the fabric layer (3) is bonded to the side of the fiber layer (2) away from the fabric layer one (1). , the side of the second fabric layer (3) away from the fiber layer (2) is provided with a leather base layer (4), and the side of the leather base layer (4) away from the second fabric layer (3) is provided with a leather base layer (4) An anti-wrinkle layer (5), a protective layer (6) is provided on the side of the anti-wrinkle layer (5) away from the leather base layer (4). 2. The tortuous-resistant leather according to claim 1, characterized in that, between the fabric layer one (1) and the fiber layer (2) and between the fabric layer two (3) and the leather A tooth layer (7) is arranged between the base layers (4), and the tooth layer (7), the first fabric layer (1) and the second fabric layer (3) are all connected by stitching. 3. The tortuous-resistant leather according to claim 2, characterized in that, the tops of the teeth of the tooth layer (7) are provided with regular tetrahedral particles (701), and the regular tetrahedral particles are provided with regular tetrahedral particles (701). One vertex of (701) is connected with the vertex of the teeth in the tooth layer (7), and the regular tetrahedral particles (701) are polyethylene particles. 4. The tortuous-resistant leather according to claim 2, characterized in that, valleys (8) are formed between the teeth of the tooth layer (7). 5. A kind of tortuous-resistant leather according to claim 1, characterized in that the protective layer () is a wax protective layer, and the surface of the protective layer (6) is provided with embossing (9), and the protective layer (6) is provided with embossing (9). Several ventilation holes (10) are evenly arranged between the embossings (9). 6. The tortuous-resistant leather according to claim 5, characterized in that, the diameter of the ventilation holes (10) is 0.01-0.06 mm. 7. The tortuous-resistant leather according to claim 1, wherein the anti-wrinkle layer (5) is a water-based polyurethane resin layer, and an elastic resin mesh (501) is arranged in the middle of the anti-wrinkle layer (5).

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