CN213587567U - Sole and shoe comprising same - Google Patents

Abstract

The utility model discloses a sole and contain shoes of this sole, by an integer lattice elastic construction repeated arrangement become the three-dimensional lamellar structure of sole form, lattice elastic construction contains multiunit elastic beam and body core elastic component, and wherein the rigidity of body core elastic component, single lattice elastic construction is all adjustable. The utility model discloses a sole and shoes have good resilience performance, can effectively improve the elasticity and the life of sole, can also provide individualized sole support design, promote the comfort level that the user used.

Description

Sole and shoe comprising same

Technical Field

The utility model relates to a sole, concretely relates to sole that 3D printed to and contain the shoes of this sole.

Background

The sole primarily functions to protect the foot and provide the necessary support for the foot. However, in the traditional process, the sole is mostly injected by using rubber or plastic, so that the sole structure which can be designed is limited, and the functional design of the sole is not easy to meet. Secondly, the elasticity of each part of the sole in the traditional process is more uniform, and different elastic supports cannot be provided for different parts of the foot respectively.

With the continuous development of 3D printing technology, shoe soles have been manufactured by 3D printing technology. Soles manufactured by the 3D printing technology generally have complex network structures to improve the elasticity of the soles, but have a plurality of defects in the comfort of the soles.

For example, most of shoe soles manufactured by the current 3D printing technology adopt a uniform grid structure to print the shoe soles, and due to the constraint of the grid structure, the elasticity of each area of the upper surface of the shoe soles still tends to be consistent, and it is difficult to adjust the local elasticity performance according to the needs of the human body when walking or running. Secondly, the printed mesh structure of the sole is affected by the material properties and the rigidity of the mesh structure, and the overall resilience is generally not ideal and may be too soft or too hard, which can seriously affect the comfort of the finished shoe.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sole to realize keeping good resilience performance in the use, and provide individualized sole and support the design, improve the comfort level that the user used.

Specifically, the sole is a sole-shaped three-dimensional layered structure formed by repeatedly arranging an integral number of lattice elastic structures; the lattice elastic structure comprises a first connection point, a second connection point, a body center elastic piece, a first group of elastic beams, a second group of elastic beams and a third group of elastic beams; the first connection points are at least four points on the upper surface and the lower surface of the lattice elastic structure, and the second connection points are at least one point on the upper surface and the lower surface of the lattice elastic structure except the first connection points; the first connecting points are connected to the upper surface and the lower surface of the body center elastic piece through a first group of elastic beams respectively, and the second connecting points are connected to the upper surface and the lower surface of the body center elastic piece through a second group of elastic beams respectively; the body core elastic piece is a hollow elastic structure consisting of a third group of elastic beams; in the sole-like three-dimensional layered structure, two adjacent lattice elastic structures are connected by a common first connection point.

Preferably, the first connection point is a vertex or a center of an edge of the upper surface and the lower surface of the lattice elastic structure.

Preferably, the number of the elastic beams in the first group of elastic beams is 8 to 16.

Preferably, the second connection point is a half point, a third point, a fourth point and a fifth point of the diagonal line of the first connection point.

Preferably, the body-core elastic member is a hollow lantern-shaped structure.

Preferably, the number of the elastic beams in the third group of elastic beams is 2 to 8.

Preferably, the ratio of the range of (length + width)/height of the body core elastic member is 0.5 to 10.

Preferably, the ratio of the (length + width)/height range of the lattice elastic structure is 0.5 to 10.

Preferably, the elastic modulus of the sole ranges from 0 to 61 MPa.

The utility model also provides a shoe, which is provided with the sole.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a sole and shoes have good resilience performance, can effectively improve the elasticity and the life of sole, can also provide individualized sole support design, promote the comfort level that the user used.

Drawings

FIG. 1 is an embodiment of a sole structure of the present invention;

FIG. 2 is a schematic diagram of an embodiment of a lattice spring structure according to the present invention;

reference numerals: the sole 1, lattice elastic structure 2, first tie point 3, second tie point 4, body center elastic component 5, first group elastic beam 6, second group elastic beam 7, third group elastic beam 8.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific examples, which should not be construed as limiting the invention.

As shown in fig. 1, the sole 1 of the present invention is a sole-shaped three-dimensional layered structure formed by an integer number of lattice elastic structures 2 arranged repeatedly; the lattice elastic structure, as shown in fig. 2A, includes a first connection point 3, a second connection point 4, a body-centered elastic member 5, a first group of elastic beams 6, a second group of elastic beams 7, and a third group of elastic beams 8; the first connecting points 3 are at least four points on the upper surface and the lower surface of the lattice elastic structure 2, and the second connecting points 4 are at least one point on the upper surface and the lower surface of the lattice elastic structure 2 except the first connecting points; the first connecting points 3 are respectively connected to the upper surface and the lower surface of the body center elastic piece 5 through a first group of elastic beams 6, and the second connecting points 4 are respectively connected to the upper surface and the lower surface of the body center elastic piece 5 through a second group of elastic beams 7; the body core elastic piece 5 is a hollow elastic structure consisting of a third group of elastic beams 8; in the three-dimensional layered structure in the shape of a sole, two adjacent lattice elastic structures 2 are connected to each other by a common first connection point 3.

In the above embodiment, as shown in fig. 1, the lattice elastic structures 2 and the adjacent lattice elastic structures share the first connection point on the same plane, so that the lattice elastic structures 2 can be repeatedly arranged in one-dimensional and two-dimensional directions. The lattice elastic structures 2 respectively share the first connection point and the second connection point with the lattice elastic structures located above or below, so that the lattice elastic structures 2 can be repeatedly arranged in the vertical direction.

In the above embodiment, as shown in fig. 2A, the first connection points 3 are eight vertices of the upper and lower surfaces of the lattice elastic structure 2. Wherein, the first connecting points 3 positioned at four vertexes of the upper surface of the lattice elastic structure 2 are respectively connected to the upper surface of the body-centered elastic piece 5 through four connecting beams in the first group; the first connecting points 3 located at the four vertices of the lower surface of the lattice elastic structure 2 are connected to the lower surface of the body-centered elastic member 5 through the other four connecting beams 6, respectively. In other embodiments, the first connection points 3 may also be eight edge centers of the upper and lower surfaces of the lattice elastic structure 2, or eight vertices and eight edge centers, and the number of the corresponding elastic beams in the first group of elastic beams 6 is eight to sixteen.

The second connection points 4 are four points on the upper surface of the lattice elastic structure 2 except the first connection points 3 in the above embodiment. As shown in fig. 2A, the upper surface of the lattice elastic structure 2 has four second connection points 4, and the four second connection points 4 are respectively located at the quarter point positions of the diagonal lines of the four first connection points 3 on the upper surface; the four second connection points 4 on the lower surface of the lattice elastic structure 2 are also the same. In other embodiments, as shown in fig. 2B, the lattice elastic structure 2 has only one second connection point 4 on the upper surface, which is located at a half point of the diagonal line of the four first connection points 3 on the upper surface, i.e. at the intersection of the diagonal lines, i.e. at the center of the plane of the upper surface of the lattice elastic structure 2. In other embodiments, the second connection point 4 may also be a third point, a fifth point of the diagonal of the first connection point 3. In the above embodiment, the second connection points 4 on the upper surface of the lattice elastic structure 2 are respectively connected to the upper surface of the body-centered elastic member 5 through the second set of connection beams 7; the second connection points 4 on the lower surface of the lattice elastic structure 2 are connected to the lower surface of the body-centered elastic member 5 through a second set of connection beams 7, respectively.

In the above embodiment, the body-centered elastic member 5 is a hollow elastic structure composed of a third set of elastic beams 8. In other embodiments, the number of spring beams in the third set of spring beams 8 is 2 to 8. Preferably, as shown in fig. 2A and 2B, the body core elastic member 5 is a hollow lantern-shaped structure constructed by four elastic beams with arc, i.e. a third group of elastic beams 8. In one or more embodiments, the length-width-height ratio of the body-centered elastic member 5 can be adjusted to some extent, and the rigidity of the single lattice elastic structure 2 can be further adjusted. Preferably, the ratio of the range of (length + width)/height of the body core elastic member is 0.5 to 10.

In one or more embodiments, in order to ensure that the sole area can be uniformly filled with an integral number of lattice elastic structures 2, the size of each lattice elastic structure 2, i.e., the length-width-height ratio of the lattice elastic structure 2, can be adjusted to some extent, and the stiffness of the individual lattice elastic structures 2 can be further adjusted. As shown in fig. 1, in order to increase the rigidity of the heel area of the sole, the partially lattice elastic structure 2 may be elongated in the height direction; in order to increase the flexibility of the sole region, the partially patterned resilient structure 2 may be elongated in the length and width directions. In order to ensure the overall elasticity of the sole support, the size difference between the lattice elastic structures 2 should not be too large. Preferably, the ratio of the (length + width)/height range of the lattice elastic structure is 0.5 to 10.

In one or more embodiments, the lattice elastic structure extends in an ergonomic direction for ergonomic design. The elastic support of the sole for each part of the foot can be changed slightly so as to improve the comfort of the sole. To accommodate the above design, the sole 1 comprises a support area and a cushioning area. For example, the heel usually needs harder support, and is convenient for standing and other postures; for the sole and other parts, the sole is usually required to be soft or curved to improve the comfort of walking. Therefore, in an actual situation, a part such as a heel can be set as the support part area; the sole and the like are provided as a cushioning region. In order to meet the requirement that the elasticity of the supporting part area and the elasticity of the buffering part area are different, the elasticity modulus of the sole ranges from 0 to 61 MPa.

The utility model also provides a shoes, it is specific shoes have the structure and the performance of above-mentioned sole.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the technical solution of the present invention in any form. Whatever the basis the utility model discloses a technical entity does any simple modification to above embodiment, and form change and modification all fall into the utility model discloses a protection scope.

Claims (10)

1. A sole, characterized in that it is a sole-like three-dimensional layered structure, repeatedly arranged by an integer number of lattice elastic structures; the lattice elastic structure comprises a first connection point, a second connection point, a body center elastic piece, a first group of elastic beams, a second group of elastic beams and a third group of elastic beams; the first connection points are at least four points on the upper surface and the lower surface of the lattice elastic structure, and the second connection points are at least one point on the upper surface and the lower surface of the lattice elastic structure except the first connection points; the first connecting points are connected to the upper surface and the lower surface of the body center elastic piece through a first group of elastic beams respectively, and the second connecting points are connected to the upper surface and the lower surface of the body center elastic piece through a second group of elastic beams respectively; the body core elastic piece is a hollow elastic structure consisting of a third group of elastic beams; in the sole-like three-dimensional layered structure, two adjacent lattice elastic structures are connected by a common first connection point.

2. The sole of claim 1, wherein said first connection point is an apex or centroid of the upper and lower surfaces of the lattice elastic structure.

3. The sole according to claim 1, characterized in that the number of elastic beams in said first set of elastic beams is comprised between 8 and 16.

4. A sole as claimed in claim 1, wherein said second connection point is one-half, one-third, one-fourth or one-fifth of a diagonal connection of the first connection point.

5. The shoe sole of claim 1 wherein said body centered elastomeric element is a hollow lantern-like structure.

6. A sole as claimed in claim 1, wherein the number of resilient beams in said third set of resilient beams is between 2 and 8.

7. A sole as claimed in claim 1, wherein the ratio of the sum of the long and wide widths of the body core elastic member divided by the high range is 0.5 to 10.

8. A sole as claimed in claim 1, wherein the ratio of the sum of the long and wide extensions of the lattice elastic structure divided by the high range is 0.5 to 10.

9. The sole of claim 1, wherein said sole has a modulus of elasticity in the range of 0 to 61 MPa.

10. Shoe, characterized in that it has a sole according to any one of the preceding claims 1 to 9.

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