CN114794651B - Carbon plate for running shoes and preparation method thereof - Google Patents
Carbon plate for running shoes and preparation method thereof Download PDFInfo
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- CN114794651B CN114794651B CN202210577319.5A CN202210577319A CN114794651B CN 114794651 B CN114794651 B CN 114794651B CN 202210577319 A CN202210577319 A CN 202210577319A CN 114794651 B CN114794651 B CN 114794651B
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- metatarsal
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- metatarsal region
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 97
- 238000002360 preparation method Methods 0.000 title description 5
- 210000001872 metatarsal bone Anatomy 0.000 claims abstract description 147
- 239000000835 fiber Substances 0.000 claims abstract description 60
- 239000004642 Polyimide Substances 0.000 claims abstract description 36
- 229920001721 polyimide Polymers 0.000 claims abstract description 36
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 33
- 239000004917 carbon fiber Substances 0.000 claims abstract description 33
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 32
- 210000003371 toe Anatomy 0.000 claims description 17
- 210000000452 mid-foot Anatomy 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 210000000454 fifth toe Anatomy 0.000 claims description 3
- 210000000453 second toe Anatomy 0.000 claims description 3
- 210000003813 thumb Anatomy 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 66
- 230000007704 transition Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 238000005452 bending Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 239000002657 fibrous material Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000805 composite resin Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 101100356682 Caenorhabditis elegans rho-1 gene Proteins 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 210000002683 foot Anatomy 0.000 description 1
- 210000004744 fore-foot Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
- A43B13/12—Soles with several layers of different materials
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
- A43B13/12—Soles with several layers of different materials
- A43B13/125—Soles with several layers of different materials characterised by the midsole or middle layer
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
- A43B13/18—Resilient soles
- A43B13/187—Resiliency achieved by the features of the material, e.g. foam, non liquid materials
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
Abstract
The utility model relates to a carbon plate for running shoes, which comprises a carbon plate body, wherein the region of the carbon plate body corresponding to each metatarsal is designed into a metatarsal region, the metatarsal region is sequentially designed into a first metatarsal region, a second metatarsal region, a third metatarsal region, a fourth metatarsal region and a fifth metatarsal region, and the elastic modulus of the first metatarsal region, the second metatarsal region, the fourth metatarsal region and the fifth metatarsal region is smaller than that of the third metatarsal region. The high elastic modulus is designed at the strong stress part, so that the part can provide enough support. The utility model also provides a manufacturing method of the carbon plate, which forms the carbon plate with different properties in different areas through the arrangement of the carbon fiber layer and the polyimide fiber layer, and can give consideration to the supportability and the quick response of the carbon plate.
Description
Technical Field
The utility model relates to a carbon plate for running shoes and a preparation method thereof, belonging to the field of shoe accessories.
Background
There are shoes in the market, and pedals for enhancing the supporting performance and rebound performance are added into the soles, so that the supporting performance and rebound performance of the soles are compensated, and the propulsion of feet can be more effectively assisted.
For example, in chinese utility model entitled "a novel boosting and shock absorbing sole" with grant number CN215532060U, a carbon fiber plate is disposed between a first midsole and a second midsole. In China, also known as "sports shoes with racing carbon plates", as an authorized bulletin No. CN213487263U, a racing carbon plate is provided in the sole. The industry is known as "carbon sheet" which is a carbon fiber reinforced resin composite material consisting essentially of a fibrous material and a resin material. The carbon fiber has the characteristics of high specific strength, stretch resistance, low bending and low elongation, so the carbon plate has the characteristics of high elastic modulus and high tensile strength, but the carbon plate is not resistant to shearing and bending, has poor toughness, is difficult to consider supportability and quick response according to the stress characteristics of running, and affects propulsion performance and user experience.
In view of this, the present inventors have conducted intensive studies on the above problems, and have produced the present utility model.
Disclosure of Invention
The present utility model aims to provide a carbon plate for running shoes, which can achieve both support and response speed, and another aim of the present utility model is to provide a method for manufacturing the carbon plate.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the carbon plate for the running shoes comprises a carbon plate body, wherein the region of the carbon plate body corresponding to each metatarsal is set as a metatarsal region, and the metatarsal region is sequentially set as a first metatarsal region, a second metatarsal region, a third metatarsal region, a fourth metatarsal region and a fifth metatarsal region, and the elastic modulus of the first metatarsal region, the second metatarsal region, the fourth metatarsal region and the fifth metatarsal region is smaller than that of the third metatarsal region.
As a preferred mode of the present utility model, the fifth metatarsal region has a modulus of elasticity smaller than that of the fourth metatarsal region.
As a preferred mode of the present utility model, the carbon plate body further includes a toe region provided corresponding to the toe, the toe region including a first region provided corresponding to the thumb and a second region provided corresponding to the second toe to the fifth toe.
As a preferable mode of the present utility model, the carbon plate body further includes a midfoot region provided corresponding to an arch of a human body and a heel region provided corresponding to a heel, wherein one side of the carbon plate body corresponding to an inside of the arch of the human body is set as an inside, one side corresponding to an outside of the arch is set as an outside, and the heel region is divided into a third region provided corresponding to the inside of the carbon plate body and a fourth region provided corresponding to the outside of the carbon plate body.
As a preferred mode of the present utility model, the carbon plate body comprises a carbon fiber layer and a polyimide fiber layer which are compounded together by a resin adhesive, and the carbon fiber layer and the polyimide fiber layer are all multi-layered.
In a preferred embodiment of the present utility model, the carbon fiber layer and the polyimide fiber layer each extend in the front-rear direction with the inside-outside direction of the carbon plate body being the left-right direction, with the toe region of the carbon plate body being the front, and with the heel region of the carbon plate body being the rear, the carbon fiber layer and the polyimide fiber layer being arranged in the left-right direction of the carbon plate body to form different elastic moduli, and the carbon fiber layer and the polyimide fiber layer being stacked in the up-down direction to form the carbon plate body having a thickness of 0.8 to 1.2 mm.
As a preferred mode of the present utility model, the width of the toe region is 3-6cm, the width of the metatarsal region is 5-8cm, the width of the midfoot region is 4-5cm, the width of the heel region is 4-7cm, the width of the first metatarsal region is 1-1.5cm, the width of the second metatarsal region is 1-1.5cm, the width of both the third metatarsal region and the fourth metatarsal region is 3-4cm, and the width of the fifth metatarsal region is 1-1.5cm.
As a preferred mode of the present utility model, the first metatarsal region and the second metatarsal region are each provided with at least 3 layers of the polyimide fiber layer, the third metatarsal region and the fourth metatarsal region are each provided with at least 1 layer of the polyimide fiber layer, the fifth metatarsal region is provided with at least 5 layers of the polyimide fiber layer, the toe region transitions to the metatarsal region through a smooth curvature, the curvature range of the curvature is 9-12, the metatarsal region has a smooth curvature in the length direction, the curvature range of the curvature ranges from 5-9, the curvature of the curvature ranges from 8-12, the midfoot region has a smooth curvature in the length direction, the curvature range of the curvature ranges from 4-7, the midfoot region has a smooth curvature from the outer side to the inner side, the curvature range of the heel region has a smooth curvature in the length direction, and the curvature range of the heel region has a smooth curvature in the length direction ranges from 4-6.
The utility model also provides a preparation method of the carbon plate for the running shoe, which comprises a carbon plate body, wherein the region of the carbon plate body corresponding to each metatarsal is set as a metatarsal region, and the metatarsal region comprises a first metatarsal region, a second metatarsal region, a third metatarsal region, a fourth metatarsal region and a fifth metatarsal region which are sequentially set, different elastic moduli are set according to the stress condition of each metatarsal region in the running process, smaller elastic moduli are set at weak stress positions, larger elastic moduli are set at strong stress positions, and the elastic moduli of the first metatarsal region, the second metatarsal region, the fourth metatarsal region and the fifth metatarsal region are all smaller than those of the third metatarsal region.
In a preferred mode of the utility model, the carbon fiber layer and/or the polyimide fiber layer impregnated with the resin are arranged in the left-right direction to form a first layer of pavement, the carbon fiber layer and/or the polyimide fiber layer impregnated with the resin are arranged in the up-down direction to form a second layer of pavement, and the first layer of pavement and the second layer of pavement are molded and solidified to form the carbon plate body.
After the technical scheme of the utility model is adopted, the carbon plate structure is designed according to the force-bearing process and the stress difference of each region of the sole, so that the carbon plate structure has different mechanical responses at different positions, and the lower elastic modulus is designed at the weak stress position, so that the carbon plate at the position can quickly respond and bend and deform; the high elastic modulus is designed at the strong stress part, so that the part can provide enough support. The utility model also provides a manufacturing method of the carbon plate, which forms the carbon plate with different properties in different areas through the arrangement of the carbon fiber layer and the polyimide fiber layer, and can give consideration to the supportability and the quick response of the carbon plate.
Drawings
Fig. 1 is a top view of the present utility model.
Fig. 2 is a side view of the present utility model.
Fig. 3 is a cross-sectional view at A-A in fig. 1.
Fig. 4 is a cross-sectional view at B-B in fig. 2.
FIG. 5 is a schematic representation of a fibrous lay-up according to step one of the present utility model.
FIG. 6 is a schematic representation of a fibrous lay-up of step two of the present utility model.
FIG. 7 is a schematic representation of a fibrous lay-up of step three of the present utility model.
FIG. 8 is a schematic representation of a fibrous lay-up of step four of the present utility model.
Fig. 9 is a schematic representation of a fibrous lay-up of step five of the present utility model.
FIG. 10 is a schematic representation of a fibrous lay-up of step six of the present utility model.
FIG. 11 is a schematic representation of a fibrous lay-up of step seven of the present utility model.
FIG. 12 is a schematic cross-sectional view of a fiber lay-up according to the present utility model.
In the figure:
first region 101 of carbon plate body 100
Second region 102 first metatarsal region 201
Second metatarsal region 202 third metatarsal region 203
Fourth metatarsal region 204 and fifth metatarsal region 205
Third region 401 of midfoot region 301
Fourth region 402 carbon fiber layer 10
Polyimide fiber layer 20
Detailed Description
In order to further explain the technical scheme of the present utility model, the following is described in detail with reference to examples.
Referring to fig. 1 to 12, a carbon plate for running shoes includes a carbon plate body 100, wherein a region of the carbon plate body 100 corresponding to each of the metatarsals is defined as a metatarsal region, the metatarsal region (i.e., region ii) is defined as a first metatarsal region 201, a second metatarsal region 202, a third metatarsal region 203, a fourth metatarsal region 204, and a fifth metatarsal region 205 in this order, and elastic moduli of the first metatarsal region 201, the second metatarsal region 202, the fourth metatarsal region 204, and the fifth metatarsal region 205 are smaller than those of the third metatarsal region 203. The carbon plate is used in running shoes, and can be arranged between two midsoles as in the prior art.
As a preferred mode of the utility model, the fifth metatarsal region 205 has a modulus of elasticity that is less than the fourth metatarsal region 204. As a preferred mode of the present utility model, the carbon plate body 100 further includes a toe region (i.e., i region) disposed corresponding to the toes, the toe region including a first region 101 disposed corresponding to the thumb and a second region 102 disposed corresponding to the second toe to the fifth toe.
In the present utility model, the carbon plate body 100 may be provided only corresponding to the front portion of the sole, and in an embodiment, the shape thereof corresponds to the entire sole, and the carbon plate body 100 has a length of 80% -90% of the length of the actual sole according to the length of the actual sole of the adult wearer. In the present utility model, the carbon plate body 100 further includes a midfoot region 301 (i.e., region iii) disposed corresponding to the arch of the human body and a heel region (i.e., region iv) disposed corresponding to the heel, wherein one side of the carbon plate body 100 corresponding to the inside of the instep of the human body is set as the inside, one side corresponding to the outside of the instep is set as the outside, and the heel region is divided into a third region 401 disposed corresponding to the inside of the carbon plate body 100 and a fourth region 402 disposed corresponding to the outside of the carbon plate body 100.
According to the utility model, the force-generating process of the sole in the running process is analyzed from the biomechanics angle, the sole is divided into four large areas and ten small areas, the sole is contacted with the ground in the running process, the sole is transited from the heel to the front sole and from the outer side of the sole to the inner side of the sole, and the stress of the sole is generated. However, according to the analysis of the sole pressure, the pressure generated by the sole areas during running has a great difference, and when the force-generating area transits from the fifth metatarsal to the first metatarsal, the force is firstly increased and then reduced, and the peak value is reached at the third metatarsal, and then the force is reduced, so that the effect exerted by the sole areas during running is reflected to be different.
As a preferred embodiment of the present utility model, the carbon plate body 100 includes a carbon fiber layer 10 and a polyimide fiber layer 20, which are combined together by a resin adhesive, and the carbon fiber layer 10 and the polyimide fiber layer 20 are each a plurality of layers. The industry is known as "carbon sheet" which is a carbon fiber reinforced resin composite material consisting essentially of a fibrous material and a resin material. The performance of the composite material can be effectively regulated and controlled by regulating and controlling the performance and the stacking structure of the fiber material. The carbon fiber has the characteristics of high specific strength, stretching resistance, low bending and low elongation, so that the carbon plate has high elastic modulus and high tensile strength, but is not resistant to shearing and bending and has poor toughness; the polyimide fiber has higher specific strength, better tensile resistance, larger elongation and better toughness. The defects of high rigidity and poor toughness of the carbon fiber can be made up.
During running, the carbon plate embedded in the sole can bend, particularly in the metatarsal region of the forefoot, the bending variable is the largest, and according to experimental analysis, the maximum bending angle of the metatarsal position can reach about 15 degrees for the sports shoes implanted with the carbon plate, so running has higher requirements on the bending performance of the carbon plate.
As a preferred embodiment of the present utility model, the carbon fiber layer 10 and the polyimide fiber layer 20 are extended in the front-rear direction with the inside-outside direction of the carbon plate body 100 as the left-right direction, the toe region of the carbon plate body 100 as the front, and the carbon fiber layer 10 and the polyimide fiber layer 20 are arranged in the left-right direction region of the carbon plate body 100 to form different elastic moduli, and the carbon fiber layer 10 and the polyimide fiber layer 20 are stacked in the up-down direction to form the carbon plate body 100 having a thickness of 0.8 to 1.2 mm.
As a preferred mode of the present utility model, the width of the toe region is 3-6cm, the width of the metatarsal region is 5-8cm, the width of the midfoot region 301 is 4-5cm, the width of the heel region is 4-7cm, the width of the first metatarsal region 201 is 1-1.5cm, the width of the second metatarsal region 202 is 1-1.5cm, the widths of the third metatarsal region 203 and the fourth metatarsal region 204 are 3-4cm, and the width of the fifth metatarsal region 205 is 1-1.5cm.
As a preferred mode of the present utility model, at least 3 polyimide fiber layers 20 are disposed in each of the first and second metatarsal regions 201 and 202, at least 1 polyimide fiber layer 20 is disposed in each of the third and fourth metatarsal regions 203 and 204, at least 5 polyimide fiber layers 20 are disposed in each of the fifth metatarsal region 205, the toe region transitions to the metatarsal region through a smooth curvature ranging from 9 to 12, the metatarsal region has a smooth curvature in the length direction, the curvature ranging from 5 to 9, the metatarsal region transitions from the first to fifth metatarsal regions 201 to 205 through a smooth curvature ranging from 8 to 12, the midfoot region 301 has a smooth curvature in the length direction ranging from 4 to 7, the midfoot region 301 has a smooth curvature ranging from the outer side to the inner side, the curvature ranging from 2 to 6, and the heel region has a smooth curvature in the length direction ranging from 4 to 6. In the utility model, each region does not operate independently, but is a continuous whole, so that the force transmission process is smooth.
The utility model also provides a preparation method of the carbon plate for the running shoe, which comprises the carbon plate body 100, wherein the region of the carbon plate body 100 corresponding to each metatarsal is set as a metatarsal region, the metatarsal region comprises a first metatarsal region 201, a second metatarsal region 202, a third metatarsal region 203, a fourth metatarsal region 204 and a fifth metatarsal region 205 which are sequentially set, different elastic moduli are set according to the stress condition of each metatarsal region in the running process, smaller elastic moduli are set at weak stress positions, larger elastic moduli are set at strong stress positions, and the elastic moduli of the first metatarsal region 201, the second metatarsal region 202, the fourth metatarsal region 204 and the fifth metatarsal region 205 are smaller than the elastic modulus of the third metatarsal region 203.
As a preferable mode of the present utility model, the carbon fiber layers 10 and/or the polyimide fiber layers 20 impregnated with the resin are arranged in the left-right direction to form a first layer of pavement, that is, the carbon fiber layers 10 or the polyimide fiber layers 20 may be all of the first layer of pavement, or the carbon fiber layers 10 and the polyimide fiber layers 20 may be alternately arranged, the carbon fiber layers 10 and/or the polyimide fiber layers 20 impregnated with the resin are arranged in the up-down direction to form a second layer of pavement, and the first layer of pavement and the second layer of pavement are molded and cured to form the carbon plate body 100.
Preferably, the carbon plate body 100 of the present utility model is at least seven layers, and is manufactured by using seven layers as an example, in the following manner:
this example contemplates seven layers of fibers arranged from the bottom layer to the top layer, respectively, from the first layer to the seventh layer. CF represents the carbon fiber layer 10 and PI represents the polyimide fiber layer 20, represented by squares of different packing densities, with the fibers being arranged as CF/PI/CF/PI in the first and second metatarsal regions 201, 202; in the third metatarsal region 203 and the fourth metatarsal region 204, the fibers are arranged as CF/CF/CF/CF/CF/CF/PI; in the fifth metatarsal region 205, the fibers are arranged as CF/PI/PI/CF/PI/PI.
In order to ensure smooth force transmission and integrity of the carbon plate, the fibers of the same layer are continuous and uninterrupted, and the fibers of the whole carbon plate are obtained by extending on the basis of the fiber arrangement of the first metatarsal, the second metatarsal, the third metatarsal, the fourth metatarsal and the fifth metatarsal. And then, a mold pressing solidification process is carried out to form a three-dimensional special-shaped structure, wherein the carbon plate has a smooth radian when in transition from the area I to the area II, and the curvature rho 1 of the radian is in smooth transition between 10 and 12. The carbon plate has a smooth radian in the length direction in the zone II, and the curvature rho 2 of the radian is in smooth transition between 5.5 and 8.3. The transition of the carbon plate from the first metatarsal region 201 to the fifth metatarsal region 205 in zone ii has a smooth curvature, ρ3, which transitions smoothly between 9-11. The carbon plate has an upward arc in the length direction in the III region, which provides support for the arch region, and the curvature ρ4 of the arc smoothly transitions between 4 and 6. The carbon plate has a smooth curvature from the outside to the inside in zone iii, with the curvature ρ5 of the curvature transitioning smoothly between 3-6. The carbon plate has radian in the length direction in the IV region, so as to provide support for the heel, and the curvature rho 6 of the radian is in smooth transition between 4 and 6.
The arrangement mode of each layer of fibers is customized according to design requirements in the process of preparing the prepreg. 12K CF was interpenetrated with 1500D PI as the fibers were spread. As in fig. 5, a blanket of all carbon fibers (about a spread of 6 CF fiber bundles); in FIG. 6, PI is spread from left to right to a width of about 2.5cm (about 8 PI fiber bundles spread), CF is spread to a width of about 2cm (about 2 CF fiber bundles spread), and PI is spread to a width of about 1.5 (about 4 PI fiber bundles spread); FIG. 7, from left to right, spread CF (spread of about 5 CF fiber bundles) about 5cm wide, and spread PI (spread of about 4 PI fiber bundles) about 1.5cm wide; in fig. 8, there is an all carbon fiber lay-up (about the spread of 6 CF fiber bundles); FIG. 9, from left to right, is first spread with CF (spread of about 5 CF fiber bundles) about 5cm wide, and then spread with PI (spread of about 4 PI fiber bundles) about 1.5cm wide; in FIG. 10, PI is spread from left to right to a width of about 2.5cm (about 8 PI fiber bundles spread), CF is spread to a width of about 2cm (about 2 CF fiber bundles spread), and PI is spread to a width of about 1.5cm (about 4 PI fiber bundles spread); in fig. 11 is a full polyimide fiber lay-up (about 18 PI fiber bundles spread). Each of the obtained prepregs was pre-impregnated with an epoxy resin, stacked in the layering order, and then cured by compression molding at 120 ℃ for 30 minutes to obtain a finished carbon sheet (single-layer fiber layering thickness of 0.1 to 0.12 mm).
According to the calculation, the fifth metatarsal corresponding area is reduced by about 40% compared with the third and fourth metatarsal corresponding areas, and the bending fracture strain is improved by about 3 times, up to about 5.5%. Meaning that the fifth metatarsal region is subjected to a small stress to achieve a greater deformation effect.
The product form of the present utility model is not limited to the embodiments described herein, and any suitable variations or modifications of the similar concept should be regarded as not departing from the scope of the utility model.
Claims (7)
1. The utility model provides a carbon plate for running shoes, includes the carbon plate body, and the carbon plate body corresponds the region of each metatarsal and establishes as the metatarsal district, and the metatarsal district sets gradually first metatarsal district, second metatarsal district, third metatarsal district, fourth metatarsal district and fifth metatarsal district, its characterized in that: the first metatarsal region, the second metatarsal region, the fourth metatarsal region, and the fifth metatarsal region each have a modulus of elasticity that is less than the modulus of elasticity of the third metatarsal region;
the carbon plate body comprises a carbon fiber layer and a polyimide fiber layer which are compounded together through a resin adhesive, wherein the carbon fiber layer and the polyimide fiber layer are all multi-layered;
the carbon plate body is characterized in that the carbon plate body further comprises a midfoot region corresponding to the arch of the human body and a heel region corresponding to the heel, one side of the carbon plate body corresponding to the inner side of the instep of the human body is arranged to be inner, one side corresponding to the outer side of the instep of the human body is arranged to be outer, the direction of the inner side of the carbon plate body is left and right, the toe region of the carbon plate body is front, the heel region of the carbon plate body is rear, the carbon fiber layer and the polyimide fiber layer extend along the front and rear directions, and the carbon fiber layer and the polyimide fiber layer are distributed along the left and right directions to form different elastic moduli in the left and right direction regions of the carbon plate body.
2. A carbon plate for running shoes as claimed in claim 1, wherein: the fifth metatarsal region has a modulus of elasticity that is less than the fourth metatarsal region.
3. A carbon plate for running shoes as claimed in claim 2, wherein: the carbon plate body further comprises a toe area corresponding to the arrangement of the toes, wherein the toe area comprises a first area corresponding to the arrangement of the thumb and a second area corresponding to the arrangement of the second toe to the fifth toe.
4. A carbon plate for running shoes as claimed in claim 3, wherein: the heel area is divided into a third area corresponding to the inner side of the carbon plate body and a fourth area corresponding to the outer side of the carbon plate body.
5. A carbon plate for running shoes as claimed in claim 1, wherein: the carbon fiber layer and the polyimide fiber layer are stacked in the up-down direction to form the carbon plate body with the thickness of 0.8-1.2 mm.
6. A carbon plate for running shoes as claimed in claim 5, wherein: the width of the toe area is 3-6cm, the width of the metatarsal area is 5-8cm, the width of the midfoot area is 4-5cm, the width of the heel area is 4-7cm, the width of the first metatarsal area is 1-1.5cm, the width of the second metatarsal area is 1-1.5cm, the width of the third metatarsal area and the fourth metatarsal area are 3-4cm, and the width of the fifth metatarsal area is 1-1.5cm.
7. A carbon plate for running shoes as defined in claim 6, wherein: the first metatarsal region and the second metatarsal region are respectively provided with at least 3 polyimide fiber layers, the third metatarsal region and the fourth metatarsal region are respectively provided with at least 1 polyimide fiber layer, and the fifth metatarsal region is respectively provided with at least 5 polyimide fiber layers.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210577319.5A CN114794651B (en) | 2022-05-25 | 2022-05-25 | Carbon plate for running shoes and preparation method thereof |
| CN202310736303.9A CN116784565A (en) | 2022-05-25 | 2022-05-25 | Preparation method of carbon plate for running shoes |
| PCT/CN2023/095916 WO2023227002A1 (en) | 2022-05-25 | 2023-05-24 | Carbon plate for running shoes and manufacturing method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210577319.5A CN114794651B (en) | 2022-05-25 | 2022-05-25 | Carbon plate for running shoes and preparation method thereof |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310736303.9A Division CN116784565A (en) | 2022-05-25 | 2022-05-25 | Preparation method of carbon plate for running shoes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114794651A CN114794651A (en) | 2022-07-29 |
| CN114794651B true CN114794651B (en) | 2023-12-05 |
Family
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
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| CN202310736303.9A Pending CN116784565A (en) | 2022-05-25 | 2022-05-25 | Preparation method of carbon plate for running shoes |
| CN202210577319.5A Active CN114794651B (en) | 2022-05-25 | 2022-05-25 | Carbon plate for running shoes and preparation method thereof |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310736303.9A Pending CN116784565A (en) | 2022-05-25 | 2022-05-25 | Preparation method of carbon plate for running shoes |
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| CN (2) | CN116784565A (en) |
| WO (1) | WO2023227002A1 (en) |
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| CN116784565A (en) * | 2022-05-25 | 2023-09-22 | 特步(中国)有限公司 | Preparation method of carbon plate for running shoes |
Citations (6)
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| CN1777372A (en) * | 2003-04-24 | 2006-05-24 | 株式会社爱世克私 | Sports shoes having upper part with improved fitting property |
| WO2016134139A1 (en) * | 2015-02-20 | 2016-08-25 | Roar Licensing, Llc | Ankle foot orthosis products and systems |
| TWM572667U (en) * | 2017-04-28 | 2019-01-11 | 荷蘭商耐克創新有限合夥公司 | Article of footwear with multiple layers and retention system for an article of footwear |
| WO2020072854A1 (en) * | 2018-10-05 | 2020-04-09 | Worcester Polytechnic Institute | Impact absorbing footwear apparatus |
| CN112716095A (en) * | 2020-12-07 | 2021-04-30 | 滋森生物科技(广州)有限公司 | One-code type elastic shoe cover |
| CN112971269A (en) * | 2016-07-20 | 2021-06-18 | 耐克创新有限合伙公司 | Composite plate for footwear or equipment |
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| WO2017095479A1 (en) * | 2015-12-02 | 2017-06-08 | Carbitex, Inc. | Joined fiber-reinforced composite material assembly with tunable anisotropic properties |
| CN110815966A (en) * | 2018-08-08 | 2020-02-21 | 曾凯熙 | Composite material for shoes |
| DE102020202237B4 (en) * | 2020-02-21 | 2023-05-17 | Adidas Ag | Sole comprising individually deflectable reinforcement elements, and shoe with such a sole |
| CN116784565A (en) * | 2022-05-25 | 2023-09-22 | 特步(中国)有限公司 | Preparation method of carbon plate for running shoes |
-
2022
- 2022-05-25 CN CN202310736303.9A patent/CN116784565A/en active Pending
- 2022-05-25 CN CN202210577319.5A patent/CN114794651B/en active Active
-
2023
- 2023-05-24 WO PCT/CN2023/095916 patent/WO2023227002A1/en unknown
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| CN1777372A (en) * | 2003-04-24 | 2006-05-24 | 株式会社爱世克私 | Sports shoes having upper part with improved fitting property |
| WO2016134139A1 (en) * | 2015-02-20 | 2016-08-25 | Roar Licensing, Llc | Ankle foot orthosis products and systems |
| CN112971269A (en) * | 2016-07-20 | 2021-06-18 | 耐克创新有限合伙公司 | Composite plate for footwear or equipment |
| TWM572667U (en) * | 2017-04-28 | 2019-01-11 | 荷蘭商耐克創新有限合夥公司 | Article of footwear with multiple layers and retention system for an article of footwear |
| WO2020072854A1 (en) * | 2018-10-05 | 2020-04-09 | Worcester Polytechnic Institute | Impact absorbing footwear apparatus |
| CN112716095A (en) * | 2020-12-07 | 2021-04-30 | 滋森生物科技(广州)有限公司 | One-code type elastic shoe cover |
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| 《大学生不同运动方式下的足底压力分布研究》;吴宝平等;《北京生物医学工程》;第35卷(第2期);第161-166页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023227002A1 (en) | 2023-11-30 |
| CN116784565A (en) | 2023-09-22 |
| CN114794651A (en) | 2022-07-29 |
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