CN110859355A - A crystal format integrated shoe - Google Patents

Abstract

The invention provides a crystal lattice type integrated shoe which is manufactured by adopting a 3D printing technology. The lattice type integrated shoe comprises an upper surface and a sole, wherein the upper surface comprises a first lattice region and a second lattice region, the first lattice structure of the first lattice region is an isotropic structure, and the second lattice structure of the second lattice region is an anisotropic structure. The upper surface of the crystal-format integrated shoe is provided with a multifunctional area structure while realizing an integrated structure by adopting a first crystal lattice area with an isotropic structure and a second crystal lattice area with an anisotropic structure, so that a wearer can feel more comfortable when wearing the crystal-format integrated shoe.

Description

A crystal format integrated shoe

technical field

The invention relates to the field of footwear, in particular to a crystal-format integrated shoe.

Background technique

Shoes not only meet the basic needs of people's daily travel, but also further provide the use of various special occasions, such as various sports and leisure occasions. Therefore, shoes are very important to people's daily life. In order to meet the increasing demand, it is necessary to design and manufacture shoes according to the human body, so that the shoes can fit the foot and can play the role of shock absorption and buffering. In special sports conditions, the shoes also need to provide resilience performance. At present, some shoes are made of different materials in different areas and then spliced into one, so that different areas have different functions. For example, the upper and the tongue are made of breathable and soft materials, so that the feet are comfortable and free from oppression; shoes The heel is made of high-stability material to ensure that it fits the foot; the sole is made of a material with high shock absorption, cushioning and wear resistance, which provides good support for the foot during exercise. However, the production of sports shoes by splicing is cumbersome, and the production process generates wastes from corners and corners, which indirectly increases the production cost.

SUMMARY OF THE INVENTION

In view of this, the purpose of the present invention is to provide a crystal-shaped integrated shoe made by 3D printing technology.

In order to achieve the purpose of the present invention, a crystal-format integrated shoe is provided, which is made by 3D printing technology. The crystal lattice integrated shoe includes an upper surface and a sole, the upper surface includes a first lattice region and a second lattice region, and the first lattice structure of the first lattice region is an isotropic structure, so the anisotropic structure of the second lattice structure in the second lattice region.

Optionally, the crystal form integrated shoe includes an adhesive layer, the adhesive layer connects the upper surface and the sole together, and the adhesive layer is a solid structure.

Optionally, the first lattice region includes a rear surface of the lattice-type integrated shoe, and the first lattice structure has high tensile strength in all directions.

Optionally, the second lattice region includes a mid-up surface and a part of the fore-up surface of the lattice integrated shoe, and the strength of the second lattice structure in the vertical direction is greater than the strength in the horizontal direction, The ductility in the horizontal direction is higher than the ductility in the vertical direction.

Optionally, the crystal lattice integrated shoe further includes a third lattice region, the third lattice region includes the tongue and another part of the fore surface of the lattice integrated shoe, and the third lattice region includes The third lattice structure is an anisotropic structure.

Optionally, the strength of the third lattice structure in the direction of the long axis of the shoe is higher than the strength in the direction of the width of the shoe, and the ductility in the direction of the width of the shoe is higher than the ductility in the direction of the long axis of the shoe. .

Optionally, the sole includes a fourth lattice region, the fourth lattice region includes a fourth lattice structure, the fourth lattice structure is a polyhedral structure, and the first lattice structure is a hexagram structure.

Optionally, the second lattice structure is a triangular and rhombus hybrid braided structure.

Optionally, the third lattice structure is an auxetic structure.

Optionally, the fourth lattice structure is a hexagonal truncated polyhedron structure.

The upper surface of a crystal-format integrated shoe provided by the present invention adopts a first lattice region of an isotropic structure and a second lattice region of an anisotropic structure, thereby realizing the integrated structure of the crystal-format integrated shoe. At the same time, it has a multi-functional area structure, which provides the wearer with a more comfortable wearing experience.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings of the embodiments will be briefly introduced below. Obviously, the drawings in the following description only relate to some embodiments of the present invention, rather than limit the present invention. .

FIG. 1 is a schematic structural diagram of a crystal format integrated shoe according to an embodiment of the present invention.

FIG. 2 is a schematic structural diagram of the upper surface of the crystal form integrated shoe.

FIG. 3 is a schematic diagram of the lattice structure of the sole of the crystal form integrated shoe.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are some, but not all, embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

FIG. 1 shows a crystal-format integrated shoe 100 provided by the first embodiment of the present invention. The crystal form 100 includes an upper surface 110 , a sole 120 and an adhesive layer 130 . The upper 110 and the sole 120 are connected together by an adhesive layer. The adhesive layer 130 is a solid structure.

In conjunction with viewing FIG. 2 , the upper surface 110 includes a first lattice region 112 , a second lattice region 114 and a third lattice region 116 . Wherein, the first lattice region 112 includes a back surface. The second lattice region 114 includes a middle surface and a part of the front surface. The third lattice region 116 includes the tongue and another portion of the fore face. Sole 120 includes fourth lattice region 122 .

The first lattice region 112 includes a first lattice structure. The first lattice structure is an isotropic structure, has high tensile strength in all directions, and is not easily damaged. Therefore, the average strength of the rear upper surface including the first lattice structure is high, which can provide good support for the upper surface 110, thereby locking the heel. In this embodiment, the first lattice structure is a hexagram structure, and in other embodiments, the first lattice structure may also be other isotropic structures.

The second lattice region 114 includes a second lattice structure. The second lattice structure is an anisotropic structure, the strength in the vertical direction is greater than that in the horizontal direction, and the ductility in the horizontal direction is higher than that in the vertical direction. Therefore, the average strength of the mid-top surface and a part of the fore-top surface including the second lattice structure is moderate, which can provide sufficient lateral protection, both protect the instep and allow a certain mobility, thereby reducing the oppression to the instep. In this embodiment, the second lattice structure is a triangular and rhombus hybrid braided structure, and in other embodiments, the second lattice structure may also be other anisotropic structures.

The third lattice region 116 includes a third lattice structure. The third lattice structure is an anisotropic structure, the strength in the direction of the long axis of the shoe is higher than that in the direction of the width of the shoe, and the ductility in the direction of the width of the shoe is higher than the ductility in the direction of the long axis of the shoe . Therefore, the tongue including the third lattice structure and another part of the front upper surface have low average strength, have good tensile properties, fit the foot shape, and are convenient for the wearer to put on and take off. In this embodiment, the third lattice structure is an auxetic structure, and in other embodiments, the third lattice structure may also be other anisotropic structures.

The fourth lattice region 122 includes a fourth lattice structure. The fourth lattice structure is a polyhedral structure with moderate structure density, which can ensure that the sole 120 has a suitable weight and excellent resilience performance. In this embodiment, as shown in FIG. 3 , the fourth lattice structure adopts a hexagonal truncated polyhedron structure based on the Archimedes body. In other embodiments, the fourth lattice structure may also be other polyhedral structures. . In addition, the front and rear soles of the sole 120 may adopt different lattice structures, different lattice densities, or different sizes of lattice rod diameters, so as to obtain different resilience and support performances of the front and rear soles.

The crystal-format integrated shoe provided by the embodiment of the present invention is made by 3D printing technology. A 3D printing technology that can be used in specific embodiments of the present invention is selective laser sintering (SLS). Selective Laser Sintering (SLS) mainly uses an infrared laser as an energy source to shape powder materials. In actual production, the first step is to preheat the powder material; when the temperature of the powder material is raised to slightly lower than its melting point, the second step is performed, that is, the powder material is flattened by using a leveling stick; the third step Step, use the infrared laser beam to selectively sinter the flattened powder material under computer control, wherein the selective sintering is mainly operated according to the layered cross-section information provided by the computer, in practice, the upper layer is generally sintered before the upper layer is sintered. The sintering operation of the lower layer; in the fourth step, after all the powder layers are sintered, the excess powder is removed, so as to complete the finished product of the crystal format integrated shoe made by 3D printing technology. In addition, in the embodiment of the present invention, thermoplastic polyurethane resin (TPU) powder is used as the 3D printing material of the crystal format integrated shoe. Thermoplastic polyurethane resin (TPU) is a copolymer composed of hard segment and soft segment materials, which has high tensile properties and wear resistance, as well as excellent elasticity and bioidentity.

In other embodiments, digital light processing (DLP) may also be used in the 3D printing technology of the crystal form integrated shoe. Digital light processing (DLP) mainly performs digital processing on image signals, and then uses a high-resolution digital light processor (DLP) projector to perform photo-curing processing on liquid photopolymer layer by layer to complete 3D printing technology. The finished product of the crystal format one-piece shoe. For the 3D printing material of the crystal-format integrated shoes, polyurethane (PU) light-curing resin materials can also be used. Polyurethane (PU) is a polymer with repeating structural units of urethane segments made by the reaction of isocyanate and polyol, which also has high tensile properties and wear resistance, as well as excellent elasticity and biological identity.

The upper surface 110 of the crystal format integrated shoe 100 provided by the present invention adopts the first lattice region 1112 of the isotropic structure and the second lattice region 114 of the anisotropic structure, so as to realize the integration of the crystal format integrated shoe. The structure also has a multi-functional area structure, which provides a more comfortable wearing experience for the wearer.

Although the descriptions and illustrations of the relevant embodiments of the present invention have been given, those skilled in the art should understand that the descriptions and illustrations of these embodiments do not limit the scope of the present invention, without exceeding the concept and scope of the present invention. Below, the present invention may be up-converted in various forms and details. Therefore, the scope of the present disclosure is not limited to the above-described embodiments, but should be determined by the appended claims and their equivalents.

Claims (10)

1. The crystal lattice integrated shoe is manufactured by adopting a 3D printing technology and is characterized by comprising an upper surface and a sole, wherein the upper surface comprises a first lattice area and a second lattice area, the first lattice structure of the first lattice area is an isotropic structure, and the second lattice structure of the second lattice area is an anisotropic structure.

2. The waffle pack shoe as claimed in claim 1, wherein said waffle pack shoe includes an adhesive layer that connects said upper and said sole together, said adhesive layer being of solid construction.

3. The lattice-integrated shoe of claim 2, wherein the first lattice region comprises a counter surface of the lattice-integrated shoe, and the first lattice structure has a high tensile strength in each direction.

4. The waffle pack as claimed in claim 3, wherein said second waffle area includes a central upper and a portion of a front upper of said waffle pack, said second waffle structure having a greater vertical strength than horizontal ductility and a greater horizontal ductility than vertical ductility.

5. The waffle pack as claimed in claim 4, further comprising a third lattice region including a tongue and another portion of a vamp of the waffle pack, the third lattice region including a third lattice structure, the third lattice structure being anisotropic.

6. A lattice-integrated shoe as claimed in claim 5, wherein the third lattice structure has a higher strength in the shoe long axis direction than in the shoe wide axis direction, and a higher ductility in the shoe wide axis direction than in the shoe long axis direction.

7. The lattice-integrated shoe of claim 6, wherein said sole includes a fourth lattice region, said fourth lattice region including a fourth lattice structure, said fourth lattice structure being a polyhedral structure, and said first lattice structure being a hexagram structure.

8. The waffle pattern as defined in claim 7, wherein said second waffle pattern is a hybrid knit structure of triangular and diamond shapes.

9. The lattice-integrated shoe of claim 8, wherein said third lattice structure is an auxetic structure.

10. A lattice-patterned footwear piece according to claim 9, wherein said fourth lattice structure is a hexagonal truncated polyhedron structure.

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