CN211747328U

CN211747328U - Sole of shoe

Info

Publication number: CN211747328U
Application number: CN202020131991.8U
Authority: CN
Inventors: 郭联敏; 张德文
Original assignee: Xtep China Co Ltd
Current assignee: Xtep China Co Ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-10-27
Anticipated expiration: 2030-01-20

Abstract

The utility model relates to a sole, sole include the sole body, and the sole body includes the main part of arranging the extension in all directions by the lattice, and the main part includes along the week that the side position of sole body extends along the position and sets up the inboard position in the profile that the position was defined along week, and its characterized in that, according to the profile that the position was defined along week, the different regions at the inboard position of parameterization design through the lattice form different functions. Adopt the technical scheme of the utility model afterwards, parameterization through the lattice design forms the region of different functions at the inboard position to give the different regional different functions of sole body, satisfy demands such as the support nature, the nature of buckling and the travelling comfort of sole better.

Description

Sole of shoe

Technical Field

The utility model relates to a sole.

Background

3D printing is one of rapid prototyping technologies, which is a technology for constructing an object by using a bondable material such as thermoplastic, nylon, resin, rubber, metal powder and the like and by additive printing on the basis of a digital model file. The 3D printing technology is used for the sole, and it has broken through the constraint of mould, can print the complicated sole of various shapes, realizes the diversification of product, promotes the competitiveness of product, can save the process simultaneously, receives shoes enterprise's favor in recent years, becomes a research and development direction of shoes enterprise. The traditional 3D printing sole is generally formed by circularly arranging lattice units in the upper, lower, left, right, front and rear directions to form a shoe-shaped sole body, the sole body is divided into a peripheral part extending along the position of a side wall and an inner part arranged in a contour defined by the peripheral part, the inner part forms an upper surface corresponding to the lower surface of a foot palm and a lower surface corresponding to the ground, the influence of the change of a lattice structure on the overall performance of the sole is more emphasized in design, and if the design is carried out on parameters such as the size of a lattice, the thickness of lattice ribs, the density of the lattice and the like, the performance of the sole needs to be further improved.

Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sole, this sole can satisfy the demand of support nature, bendability, travelling comfort.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the design method of the 3D printing sole adopts a 3D printing mode to form a sole body, the sole body comprises a main body which is formed by arranging and extending crystal lattices in all directions, the main body comprises a peripheral part which extends along the side position of the sole body and an inner side part which is arranged in a contour defined by the peripheral part, and the design method is characterized in that different functions are formed in different areas of the inner side part through parameterization design of the crystal lattices according to the contour defined by the peripheral part.

As a preferred mode of the present invention, the region includes the first region that is formed by the first lattice region and the second region that is constituted by the second lattice region, one side that the sole body corresponds the instep outside is the outside, and one side that corresponds the instep inboard is the inboard, the position that the sole body corresponds the front portion of the sole is preceding palm portion, the position that the sole body corresponds the heel is the heel portion, the position that the sole body corresponds between preceding palm portion and the heel portion is well waist, and the boundary line of first region and second region is from the inboard of the middle waist and backward extension of the outside of middle waist.

In a preferred embodiment of the present invention, the first lattice region is formed of a plurality of first lattices, the first lattice region includes a support region located inside the middle waist portion and a flexible region located in the front palm portion, and the second lattice region is formed of a plurality of second lattices.

As a preferred mode of the present invention, the parametric design includes a density of the crystal lattice, a shape of the crystal lattice, and an orientation of the crystal lattice.

As a preferred mode of the present invention, the peripheral portion is designed to have different support properties according to lattice parameterization.

The utility model also provides a sole, which comprises a sole body formed by adopting a 3D printing mode, wherein the sole body comprises a main body which is circularly arranged and extended in each direction by crystal lattices, the main body comprises a peripheral part which is extended along the side position of the sole body and an inner part which is arranged in a contour defined by the peripheral part, and the inner part has regions with different functions, the area comprises a first area formed by a first lattice area and a second area formed by a second lattice area, one side of the sole body corresponding to the outer side of the instep is the outer side, the side corresponding to the inner side of the instep is the inner side, the position of the sole body corresponding to the front part of the sole is the front sole part, the sole body corresponds the position of heel and is the heel, the position that the sole body corresponds between preceding palm portion and the heel is well waist, and the boundary line of first region and second region extends backward to the inboard of well waist from the outside of well waist.

As a preferred mode of the present invention, the first lattice includes a first central point, three first upper ribs extending upward and surrounding the first central point and two first lower ribs extending downward and surrounding the first central point, and the upper ends of the first upper ribs of the adjacent first lattice are connected together to form a first supporting point.

As an optimized mode of the utility model, the second lattice includes the second central point, upwards extends and goes up rib and downwardly extending and around four third lower ribs that the second central point set up on four second that set up around the second central point, and the upper end of rib links together and forms the second strong point on the second of adjacent second lattice.

As a preferred mode of the present invention, the shoe sole further comprises an annular frame formed on the peripheral edge of the upper surface of the sole body, the upper peripheral edge of the inner side portion and the upper portion of the peripheral edge portion are both connected to the annular frame, and the lower surface of the sole body is compounded with a rubber outsole.

Adopt the technical scheme of the utility model afterwards, parameterization through the lattice design forms different functions in the different regions in inboard position, satisfies demands such as the support nature, the nature of buckling and the travelling comfort of sole better. The utility model also provides a sole of adopting above-mentioned method design, divide into first region and second region with the medial part of sole, first region adopts first kind of lattice, and the second region adopts second kind of lattice to different positions in first region adopt different lattice concentrations to arrange, form easy bending region and support area in first region, promote the regional support and the bending property of sole.

Drawings

Fig. 1 is a schematic structural view of the present invention (the first reinforcing sheet and the second reinforcing sheet are not shown in the drawing).

Fig. 2 is a schematic structural diagram of the outer side of the present invention.

Fig. 3 is a schematic structural diagram of the inner side of the present invention.

Fig. 4 is a schematic structural view of the first region of the main body of the present invention.

Fig. 5 is a schematic structural view of the second region of the main body of the present invention.

Fig. 6 is a schematic structural view of the peripheral portion of the present invention.

Fig. 7 is a schematic view of the area division of the middle sole body of the present invention.

In the figure:

the inner side 11 of the sole body 10

Front sole 101 of peripheral part 12

Middle waist portion 102 and rear heel portion 103

Medial side 104 lateral side 105

First region 111 easy-bending region 11101

Support area 11102 first upper rib 1111

First center point 1113 of first lower rib 1112

First support point 1114 first stiffener 1115

Second upper ribs 1121 of second region 112

Second center point 1123 of second lower rib 1122

Second support point 1124 bradyseism zone 121

Support region 122 node 123

Third ribs 124 and second ribs 125

Annular frame 20 outsole 30

First reinforcing plate 31 and second reinforcing plate 32

Detailed Description

In order to further explain the technical solution of the present invention, the following embodiments are described in detail.

Referring to fig. 1 to 7, a method for designing a 3D printing sole, which comprises forming a sole body 10 by 3D printing, wherein the sole body 10 comprises a main body extending from crystal lattices in all directions, the main body comprises a peripheral part 12 extending along a side position of the sole body 10 and an inner part 11 arranged in a contour defined by the peripheral part 12, the peripheral part 12 is formed in a shape corresponding to an outer contour of a foot, the sole body 10 is divided into two parts by the peripheral part 12 and the inner part 11, the peripheral part 12 and the inner part 11 are continuously connected by 3D printing technology during actual manufacturing, according to the contour defined by the peripheral part, different functions are formed in different regions of the inner part 11 by parametric design of the crystal lattices, and the parametric design of the crystal lattices mainly comprises the density (density degree, usually in terms of the number of crystal lattices in a unit area), the shape of the crystal lattice (including the shape of the crystal lattice, the thickness variation of the ribs constituting the crystal lattice), and the orientation of the crystal lattice.

The sole comprises a sole body 10, a heel part 103, a middle waist part 102 and a middle waist part 102, wherein one side of the sole body 10 corresponding to the outer side of the instep is an outer side 105, one side of the sole body corresponding to the inner side of the instep is an inner side 104, the position of the sole body 10 corresponding to the front part of the sole is a front palm part 101, the position of the sole body 10 corresponding to the heel is a rear heel part 103, and the position of the sole body 10 corresponding to the middle palm part 101 and the rear heel. The regions include a first region 111 formed of a first lattice region and a second region 112 formed of a second lattice region, and a boundary line (substantially the m-line in fig. 7) between the first region 111 and the second region 112 extends rearward from the outer side 105 of the middle waist portion 102 to the inner side 104 of the middle waist portion 102.

The utility model also provides a sole, including the fashioned sole body 10 of the mode that adopts 3D to print, sole body 10 includes the main part of arranging the extension in each direction circulation by the lattice, the main part includes along the week that the side position of sole body 10 extends along position 12 and set up the inboard position 11 in the profile that the week is defined along position 12, in inboard position 11 region that has different functions, this region includes the first region 111 that constitutes to form by first lattice region and the second region 112 that constitutes by the second lattice region, the boundary line of first region 111 and second region 112 is from the outside 105 of well waist 102 to the inboard 104 of well waist 102 and backward extension. In the above aspect, the first lattice region is formed by a plurality of first lattices, the first lattice region includes the support region 11102 located inside the middle waist portion 102 and the pliable region 11101 located in the front palm portion 101, and the second lattice region is formed by a plurality of second lattices, as a preferable mode of the present invention, the first lattices include a first central point 1113, three first upper ribs 1111 extending upward and disposed around the first central point 1113, and two first lower ribs 1112 extending downward and disposed around the first central point 1113, and upper ends of one first upper rib 1111 of adjacent first lattices are connected together and form a first support point 1114.

In the embodiment, the density of the first crystal lattices in the supporting region 11102 is greater than that of the easy-bending region 11101, so that the supporting region 11102 is less prone to deformation, effective support is formed at the corresponding position of the arch of the human body, the density of the crystal lattices of the easy-bending region 11101 is smaller, the crystal lattices are more sparse, the front palm portion 101 is easier to bend, and the flexibility of the front palm portion 102 is improved. In order to improve the strength of the front palm portion 101, a first reinforcing rib 1115 is connected between first central points 1113 of adjacent first lattices in the range of the front palm portion 101 (specifically, in the middle and rear portions of the front palm portion 101), the first central point 1113 of one first lattice can be connected with the first central point of another adjacent first lattice which is located below the first central point, the first reinforcing rib 1115 extends along the inner side and outer side direction, when the front palm portion 102 is bent, the first reinforcing rib 1115 cannot be bent, the effect of stabilizing the first lattices is achieved, and therefore the bending resistance and the strength of the sole are guaranteed.

As a preferred mode of the present invention, in the second region 112, the second lattice includes the second central point 1123, the four second upper ribs 1121 that extend upward and set up around the second central point 1133 and the four second lower ribs 1122 that extend downward and set up around the second central point 1123, the upper ends of the corresponding second upper ribs 1121 in the adjacent second lattice are connected together and form the second supporting point 1124, and the lattice of this structure can give consideration to both the supporting performance and the cushioning performance. Preferably, in the second region 112, the concentration of the second lattice gradually decreases from the inner side 104 to the outer side 105 of the heel 103, thereby imparting a lateral cushioning effect supported by the inner side of the rear portion 11.

As a preferred mode of the present invention, the sole further includes a ring-shaped frame 20 formed on the upper surface of the sole body 10, the upper edge of the inner side 11 and the upper portion of the edge 12 are both connected to the ring-shaped frame 20, and the ring-shaped frame 20 can be used as an outer contour defining the sole and can be used as a connecting carrier for connecting the sole and the upper.

As an optimized mode of the utility model, the lower surface complex of sole body 10 has rubber outsole 30, and the laminating of rubber outsole 30 is at the lower surface of sole body 10, in order to realize being connected of sole body 10 and rubber outsole 30 better, can also integrative the printing have relatively smooth supporting shoe at the lower surface of sole body 10, and the supporting shoe is compound at the upper surface of rubber outsole 30. Preferably, the rubber outsole 30 is further integrally formed with a first reinforcing sheet 31 and a second reinforcing sheet 32 extending upward, the first reinforcing sheet 31 and the second reinforcing sheet 32 are both disposed on the outer side 105 of the sole body 10, the first reinforcing sheet 31 is fixed at the front palm portion 101 of the peripheral portion 12 and extends upward, the second reinforcing sheet 32 is fixed at the rear heel portion 103 of the peripheral portion 12 and extends upward, and the first reinforcing sheet 31 and the second reinforcing sheet 32 are made of a material with hardness greater than that of the sole body 10, so as to improve the local support performance of the outer side 105 of the sole body 10.

Of course, in the present invention, the first reinforcing piece 31 and the second reinforcing piece 32 are not limited to be disposed at the above positions, and may be disposed at other positions of the peripheral portion 12 as needed, so as to reinforce the corresponding positions.

As a preferred mode of the present invention, the peripheral portion 12 is designed to have different support properties according to lattice parameterization. In the embodiment, the inner side 104 of the heel 103 of the peripheral portion 12 forms a support region 122, and the outer side 105 of the heel 103 of the peripheral portion 12 forms a cushioning region 121, in the embodiment, the cushioning region 121 to the support region 122 has gradually enhanced support performance, specifically, the change of the lattice arrangement direction is utilized to give the inner side support and outer side cushioning effect to the peripheral portion 12. In an embodiment, the lattice at the outermost periphery of the peripheral portion 12 is a third lattice, the third lattice includes a node 123 and 3 third ribs 124 connected to the node 123 and extending toward the inside portion 11, the three third ribs 124 are connected to the third ribs 124 of the adjacent third lattice, different lattice shapes and orientations are formed by changing an included angle between adjacent ribs of the third ribs 134, lattices with different deformability are formed, the lattice at the inner side 104 of the heel portion 103 is less likely to be deformed by a vertical force, and the lattice at the outer side 105 of the heel portion 103 is more likely to be deformed by a vertical force. In order to enhance the strength and support of the third lattice, the node 123 is further provided with a second rib 125, and one end of the second rib 125 is connected to the node 123 and the other end is connected to another lattice (not the third lattice) in the peripheral portion 12, thereby reinforcing the third lattice. The third beads 125 are connected to the third beads 134 at positions other than the middle-rear portion of the inner side of the middle waist portion 102 to the middle-rear portion of the heel portion 103 in the peripheral portion 12 (the positions where the third beads 125 are provided are substantially the positions indicated by the curves n in fig. 7).

In the embodiment, the thickness of the forefoot portion 102 at the key force bearing point is 15mm (without the outsole 30), the thickness of the heel portion 103 at the key force bearing point is 25mm (without the outsole 30), the sole body 10 is made of polyurethane, and the sole general test method is adopted, and the test results are as follows: the compression ratio is 17%; density 1.13g/cm³(ii) a The normal temperature bending resistance test shows that no crack is generated for 8 ten thousand times; low temperature bending resistance test (-15 +/-1 ℃), and no fracture for 3 ten thousand times.

The product form of the present invention is not limited to the embodiment of the present invention, and any person can properly change or modify the product form of the present invention without departing from the scope of the present invention.

Claims

1. A sole comprises a sole body formed by adopting a 3D printing mode, the sole body comprises a main body which is circularly arranged and extended in all directions by crystal lattices, the main body comprises a peripheral part which extends along the side position of the sole body and an inner side part which is arranged in a contour defined by the peripheral part, it is characterized in that the inner side part of the sole has areas with different functions, the areas comprise a first area formed by a first lattice area and a second area formed by a second lattice area, one side of the sole body corresponding to the outer side of the instep is the outer side, the side corresponding to the inner side of the instep is the inner side, the position of the sole body corresponding to the front part of the sole is the front sole part, the sole body corresponds the position of heel and is the heel, the position that the sole body corresponds between preceding palm portion and the heel is well waist, and the boundary line of first region and second region extends backward to the inboard of well waist from the outside of well waist.

2. A sole as claimed in claim 1, wherein: the first lattice region is composed of a plurality of first lattices, the first lattice region includes a support region located on the inner side of the middle waist portion and a flexible region located on the front palm portion, and the second lattice region is composed of a plurality of second lattices.

3. A sole as claimed in claim 1, wherein: the first crystal lattice comprises a first central point, three first upper ribs extending upwards and arranged around the first central point and two first lower ribs extending downwards and arranged around the first central point, and the upper ends of the first upper ribs of the adjacent first crystal lattices are connected together to form a first supporting point.

4. A sole as claimed in claim 3, wherein: and a first reinforcing rib is connected between the first central points of the adjacent first lattices from the middle part to the rear part of the front palm part, and the first reinforcing rib extends along the inner side and outer side direction.

5. A sole as claimed in claim 1, wherein: the second lattice comprises a second central point, four second upper ribs extending upwards and arranged around the second central point and four second lower ribs extending downwards and arranged around the second central point, and the upper ends of the second upper ribs of the adjacent second lattices are connected together to form a second supporting point.

6. A sole as claimed in claim 1, wherein: the lattice with the outermost peripheral part is a third lattice, and the third lattice includes a node and three third ribs connected to the node and extending toward the inside part.

7. A sole as claimed in claim 6, wherein: and a second reinforcing rib is arranged on the node, one end of the second reinforcing rib is connected to the node, and the other end of the second reinforcing rib is connected to other crystal lattices at the peripheral part.

8. A sole as claimed in claim 1, wherein: the sole is characterized by further comprising an annular frame formed on the periphery of the upper surface of the sole body, the upper periphery of the inner side part and the upper part of the periphery part are connected to the annular frame, and the lower surface of the sole body is compounded with a rubber outsole.