Composite structure support, sole and shoe

By using composite structural support components in running shoes, combining bifurcated structures and flexible materials, the problem of sports injuries in carbon plate running shoes during long-distance running has been solved, achieving better flexibility and midfoot support, and reducing the burden of running.

CN223627024UActive Publication Date: 2025-12-05LI NING (CHINA) SPORTS GOODS CO LTD
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Patent Information

Application Number
CN202520202655.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2025-12-05
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

Existing carbon plate running shoes can easily lead to sports injuries during long-distance running, especially for runners with low calf muscle strength or who are fatigued. The high rigidity of the carbon plate makes them more susceptible to sports injuries.

Method used

A composite structural support component is adopted, including a first support layer and a second support layer. The first support layer has a bifurcated structure and covers a hollow area of ​​flexible material. The second support layer is set on the hollow area and combined with reinforcing ribs to enhance toughness and elasticity and reduce rigidity.

Benefits of technology

It improves flexibility and resilience while running, reduces the burden of running, enhances midfoot support, and reduces the risk of sports injuries.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a composite structure supporting piece which comprises a first supporting layer and a second supporting layer, the first supporting layer comprises a half sole area, a hollowed-out area is formed on the half sole area, and the second supporting layer is made of flexible materials and covers the hollowed-out area so that the hollowed-out area of the half sole area can have elasticity. According to the composite structure supporting piece, the forked structures corresponding to the inner side and the outer side of the forefoot are arranged on the first supporting layer to form the hollowed-out part, and the flexible second supporting layer is arranged on the hollowed-out part, so that impact force borne by the foot during landing is better dispersed, rebound resilience and flexibility are improved, the toughness of the forked structures is enhanced, and the service life of the supporting piece is prolonged. The thickness of the first free end is set to be smaller than the thicknesses of the first branch part, the second supporting part, the fourth supporting part and the fifth supporting part, so that the pressure borne by the first toe during pedaling is reduced while supporting of the middle foot and pushing of the half sole are guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a shoe field especially relates to a composite structure support spare and contain this composite structure support spare's shoe sole and shoe. BACKGROUND

[0002] In recent years, with the national fitness being incorporated into the national strategy, the running craze gradually rises, and more and more sports groups will run as their preferred sports, and running is also one of the most popular physical activities all over the world.

[0003] With the prevalence of running, more and more runners participate in marathon events, and different levels of runners have more subdivided requirements for the functionality and comfort of shoes when running long distances, giving birth to many different technology categories of running shoes, and carbon plate running shoes are one of them. The running shoe will insert a carbon fiber plate in the midsole, and the carbon fiber plate is an advanced fiber reinforced composite material. Inserting a carbon plate into a running shoe can make it have the advantages of light weight, good toughness and good elasticity. Initially, carbon plate shoes are designed for anti-torsion and support, mainly used to strengthen the midsole of sports shoes to protect the stability of the arch and provide protection for athletes. The carbon plate structure is mostly in the shape of "X" or "Y". Later, carbon plate running shoes emerged to further improve the rebound propulsion, and the shovel-shaped carbon plate + supercritical foaming midsole material became the main form of current carbon plate running shoes.

[0004] Nowadays, shoe manufacturers often strengthen the carbon plate forefoot bending stiffness to greatly improve the boost of running shoes, but high bending stiffness running shoes also require high ability from runners. For runners with low calf muscle strength or in long-distance running, as the runner's muscle strength decreases and enters a state of fatigue, the high-rigidity carbon plate is easy to cause sports injuries to the runner. INVENTION CONTENTS

[0005] The utility model provides a kind of composite structure support spare, shoe sole and shoe, support spare has the characteristics of insertion flexibility, moderate strength and high toughness, while maintaining excellent boost performance to human foot forefoot area, further reduce the burden of wearer when running. Specific scheme is as follows:

[0006] A composite structure support spare includes a first support layer and a second support layer. The first support layer includes a forefoot region, and a hollow region is formed on the forefoot region. The second support layer is made of a flexible material and is arranged on the hollow region to make the hollow region of the forefoot region elastic.

[0007] Further, the forefoot region of the first support layer includes a first support part, a second support part and a third support part. The first support part and the second support part are located on the inner side and the outer side of the forefoot region respectively, and the first support part and the second support part are connected by the third support part.

[0008] Further, the hollowed-out area is enclosed by the first support part, the second support part and the third support part, and the second support layer is arranged on the first support part, the second support part and the third support part to cover the hollowed-out area.

[0009] Further, the second support layer is arranged in a stretched state.

[0010] Further, the first support part comprises a first free end and a first bifurcated part, the thickness of the first free end is a first thickness, the thicknesses of the first bifurcated part, the second support part and the third support part are a second thickness, and the first thickness is smaller than the second thickness, so as to reduce the rigidity of the first free end.

[0011] Further, the first thickness is 0.8mm-1.0mm, and the second thickness is 1.1mm-1.3mm.

[0012] Further, the length of the first support part is greater than the length of the second support part.

[0013] Further, the first support layer further comprises a fourth support part and a fifth support part, the fifth support part is connected with the third support part through the fourth support part, and the fourth support part and the fifth support part correspond to the midfoot area and the heel area of the human foot respectively.

[0014] Further, the first support layer further comprises a first reinforcing rib arranged continuously on the first support part, the third support part, the fourth support part and the fifth support part, and / or the first support layer further comprises a second reinforcing rib arranged continuously on the second support part, the third support part, the fourth support part and the fifth support part.

[0015] Further, the first reinforcing rib and / or the second reinforcing rib are arranged in a concave-convex structure and can be elastically deformed.

[0016] A sole comprises the composite structure support, the first elastic layer, the second elastic layer and the outsole.

[0017] A shoe comprises the sole.

[0018] The composite structure support, the sole and the shoe have the following advantages:

[0019] 1. The bifurcated structure corresponding to the medial and lateral sides of the forefoot is arranged on the first support layer to form a hollowed-out part, and the flexible second support layer is arranged in the hollowed-out part, so as to better disperse the impact force on the foot when falling, improve the rebound and flexibility, and enhance the toughness of the bifurcated structure.

[0020] 2. The thickness of the first free end is arranged to be smaller than the thicknesses of the first bifurcated part, the second support part, the fourth support part and the fifth support part, so as to ensure that the midfoot support and the forefoot propulsion are performed at the same time, and reduce the pressure on the first toe when stepping off.

[0021] 3. The reinforcing rib is arranged on the first supporting layer in the direction from the heel to the forefoot region, so as to store energy when the foot lands, release energy when the foot pushes off the ground, provide strong propulsion for the push-off phase, and meanwhile, the reinforcing rib can strengthen the bending rigidity of the waist of the supporting member, improve the supporting property of the human body and enhance the conversion of the mechanical potential energy of the human body. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a perspective view of the composite structure supporting member of the utility model.

[0023] Figure 2 It is a plan view of the composite structure supporting member of the utility model.

[0024] Figure 3 It is a side view of the composite structure supporting member of the utility model.

[0025] Figure 4 It is an exploded view of the shoe sole of the utility model.

[0026] Figure 5 It is a side view of the shoe sole of the utility model. DETAILED DESCRIPTION

[0027] In order to better understand the purpose, structure and function of the utility model, the composite supporting member, the shoe sole and the shoe of the utility model are described in detail below in combination with the drawings.

[0028] As shown in Figures 1 to 3 The composite structure supporting member comprises a hard first supporting layer 100 with a bifurcated structure in the forefoot region, and a flexible second supporting layer 200 arranged between the bifurcated structure, the second supporting layer 200 is lighter than the first supporting layer 100, and meanwhile, the second supporting layer 200 can enhance the toughness of the bifurcated structure.

[0029] The bifurcated structure is preferably an asymmetric structure, one side of the shoe sole body close to the medial side of the human foot is defined as the medial side of the shoe sole body, and the other side of the shoe sole body close to the lateral side of the human foot is defined as the lateral side of the shoe sole body, and the bifurcated structure is arranged on the medial side and the lateral side of the forefoot region of the shoe sole body, wherein the first supporting part 110 is close to the medial side, and the second supporting part 120 is close to the lateral side, and the first supporting part 110 and the second supporting part 120 are arranged differently, so as to conform to the different force features of the medial side and the lateral side of the forefoot region of the human body in the push-off stage of the running movement.

[0030] Meanwhile, the first support part 110 comprises a first free end 111 at the front side and a first bifurcated part 112 at the middle back side, the first free end 111 corresponds to the area of the first toe of the human body, the thickness of the first free end 111 is smaller than the thickness of other positions of the first support layer 100, so that the midfoot support and the forefoot propulsion are realized at the same time, and the pressure on the first toe during the take-off can be reduced.

[0031] In addition, the longitudinal reinforcing ribs are arranged on the medial and lateral sides of the first support layer 100 from the heel to the toe, the reinforcing ribs are preferably arranged in a concave-convex structure, the concave-convex structure can be elastically deformed, the energy is stored or released by the elastic deformation of the concave-convex structure, and powerful propulsion is provided for the swing phase; meanwhile, the bending rigidity of the waist of the support part is enhanced, and the support of the human midfoot and the conversion of the mechanical potential energy of the human midfoot are improved.

[0032] In summary, the hard first support layer 100 with the bifurcated structure and the flexible second support layer 200 arranged between the bifurcated structures in the utility model are combined to cope with the situation that the pressure on the medial side of the forefoot rises to the maximum and the stress on the second and third metatarsal bones of the human foot rises to the maximum during the swing phase, the flexible second support layer 200 arranged between the medial and lateral bifurcated structures can better disperse the impact force on the foot during the landing, and the first support layer 100 of the bifurcated structure can reduce the longitudinal bending rigidity of the forefoot area of the support part, improve the flexibility, and the second support layer 200 connects the bifurcated structures to enhance the toughness of the first support part 110 and the second support part 120 and reduce the risk of breakage. The thickness of the first free end 111 is smaller than the thickness of the first bifurcated part 112, so that the rigidity of the first free end 111 is reduced, and the pressure on the first toe during the take-off can be reduced while the midfoot support and the forefoot propulsion are realized at the same time. During the process, the composite support part further reduces the burden of the wearer during running while maintaining excellent propulsion performance on the forefoot area of the human foot.

[0033] In order to better understand the purpose, structure and function of the utility model, the composite support part will be further described in detail below with reference to the specific structure of the composite support part as an example.

[0034] As Figures 1 to 3As shown, the composite support member comprises a first support layer 100 and a second support layer 200, the first support layer 100 comprises a bifurcated structure on the front side and a whole structure on the middle and rear side, wherein the bifurcated structure corresponds to the inner and outer sides of the human palm area, and the middle and rear side corresponds to the human midfoot and heel area, the first support layer 100 is made of hard material and has good supportability; the second support layer 200 is made of flexible material and is arranged between the bifurcated structure, which can disperse the impact force on the foot palm area when landing and reduce the weight, and can also achieve the effect of increasing toughness, thereby forming a front palm bifurcated, hollowed-out bionic webbed composite support member structure.

[0035] Specifically, the first support layer 100 comprises a first support part 110 and a second support part 120 arranged on the inner side and the outer side of the human palm area respectively, and a third support part 130, a fourth support part 140 and a fifth support part 150 arranged in turn from the toe to the heel direction, the inner side and the outer side of the toe end of the third support part 130 are connected with the first support part 110 and the second support part 120 respectively, the fourth support part 140 corresponds to the human midfoot part, and the fifth support part 150 is arranged corresponding to the heel area of the human body, so as to form support for the inner and outer sides of the palm area, the midfoot and the heel area of the foot, and at the same time form a hollow structure with a forward opening in the central area of the palm, to disperse the impact force on the foot palm area when landing.

[0036] It can be understood that the third support part 130 can also be connected with the first support part 110 and the second support part 120 near the toe end, and the inner side and the outer side of the toe end of the fourth support part 140 are connected with the first support part 110 and the second support part 120 respectively, that is, the first support part 110, the second support part 120, the third support part 130 and the fourth support part 140 are enclosed to form a hollow structure approximately in the shape of a circle, as long as a hollow structure can be formed in the middle of the palm area to achieve the effect of reducing the rigidity of the palm.

[0037] Further, as shown in Figure 3 The middle part of the first support part 110 and the second support part 120 is vertically downwardly curved to form an arched concave structure, and the connecting line direction of the tangent point formed by the arched concave structure and the horizontal plane points from the inner side to the outer side, thereby forming an arched first accommodating space 160 between the first support part 110, the second support part 120 and the horizontal plane to accommodate the physiological arc line generated when the phalangeal and metatarsal joints of the human foot are flexed, thereby reducing the pressure on the human foot palm area during the extension stage.

[0038] In addition, the middle part of the fourth support part 140 is vertically curved upwards to form an arched upper convex structure, and the tangent line direction of the tangent point formed by the upper convex structure and the horizontal plane points from the medial side to the lateral side, so that an arched second accommodating space 170 is formed between the fourth support part 140 and the horizontal plane, and the upper convex structure corresponds to the midfoot arch position to fit the physiological arch of the arch to provide support and reduce the fatigue of the midfoot arch when the wearer runs.

[0039] Further, as shown in Figure 2 The first support part 110 includes a first free end 111 and a first bifurcated part 112 connected in the direction from the toe to the heel, corresponding to the first toe area and the first phalanx and metatarsal bone area of the human foot, and the second support part 120 includes a second free end 121 and a second bifurcated part 122 connected in the direction from the toe to the heel, corresponding to the fifth toe area and the fifth phalanx and metatarsal bone area of the human foot. The first support part 110 and the second support part 120 are asymmetric structures, the first support part 110 is farther away from the midline from the toe to the heel than the second support part 120, and the length of the first bifurcated part 112 is greater than the length of the second bifurcated part 122, so that the first free end 111 is closer to the toe end than the second free end 121, to correspond to the shape of the forefoot area of the human foot, so as to provide precise support to the medial and lateral sides of the forefoot area, while conforming to the different force characteristics of the medial and lateral sides of the forefoot area during the running movement of the human body.

[0040] Further, the thickness of the first free end 111 is a first thickness, and the thicknesses of the first bifurcated part 112, the second support part 120, the third support part 130, the fourth support part 140 and the fifth support part 150 are a second thickness, the first thickness is less than the second thickness, that is, the thickness of the first free end 111 is less than the thickness of other positions of the support part, so as to reduce the rigidity of the first free end 111, so as to reduce the pressure on the first toe when the wearer runs, and reduce the burden on the wearer.

[0041] Further, the first support layer 100 further includes a first reinforcing rib 113 and a second reinforcing rib 123, which are respectively arranged on the medial side and the lateral side of the sole in the direction from the heel to the toe of the first support layer 100, and can produce elastic deformation to store energy when the foot lands, release energy when the foot lifts off the ground, and provide powerful propulsion during the extension stage. At the same time, the reinforcing rib can strengthen the bending rigidity of the waist of the support part, improve the support of the human midfoot, and enhance the conversion of mechanical potential energy of the human midfoot. It can be understood that those skilled in the art can also set only the first reinforcing rib 113 or the second reinforcing rib 123 on the first support layer 100 according to actual needs, as long as the reinforcing rib can realize the effect of strengthening the bending rigidity of the waist of the support part and improving the support of the human midfoot.

[0042] Preferably, the first reinforcing rib 113 is continuously arranged on the first support part 110, the third support part 130, the fourth support part 140 and the fifth support part 150, and the second reinforcing rib 123 is continuously arranged on the second support part 120, the third support part 130, the fourth support part 140 and the fifth support part 150, the support part is defined as the top surface pointing to the human foot bottom surface, and the bottom surface away from the human foot bottom surface, wherein the reinforcing rib is arranged as a concave-convex structure, the concave structure is arranged on the top surface of the support part, and the convex structure is arranged on the bottom surface of the support part, the concave structure can quickly produce elastic deformation downward along the groove to store energy when subjected to downward pressure, and the convex structure can be subjected to greater pressure at the bottom to restore the original shape, thereby efficiently releasing energy, providing efficient linkage force feedback mechanism for the wearer when running, recovering the energy generated when landing each step during running, and releasing a large amount of rebound energy to the human foot, thereby improving the boost of the sole.

[0043] The first support layer 100 described above is arranged as an integral molding structure to enhance the overall stability and support strength.

[0044] The second support layer 200 is wrapped on the first crotch part 112, the second crotch part 122 and the third support part 130, and the surface of the second support layer 200 is arranged along the arched concave structure of the first support part 110 and the second support part 120, that is, the middle part of the second support layer 200 is bent downward to form an arched concave structure, so that the second support layer 200 maintains the same bending radius with the first support part 110 and the second support part 120, thereby making the second support layer 200 arranged in a stretched state, achieving more energy storage in the extension stage, increasing the rebound performance, and achieving the toughening effect at the same time, reducing the risk of fracture of the first support part 110 and the second support part 120.

[0045] Of course, the second support layer 200 can also be pasted and wrapped between the first support part and the second support part in a transversely spaced or grid-like layer structure, as long as it can achieve the effect of reducing weight, establishing a connection relationship between the first support part and the second support part, and enhancing the toughness and anti-fracture effect.

[0046] Further, the second support layer 200 is preferably a polyarylate composite material, and can also be a polycarbonate or polyester composite material, that is, as long as it is a flexible material that can achieve the effects of increasing rebound, reducing weight, and increasing the toughness and anti-fracture effect of the first support part 110 and the second support part 120.

[0047] The first support layer 100 described above, the first area adopts carbon fiber / polyarylate composite material, the thickness of the first area including the fourth support part 140, the fifth support part 150, the first bifurcated part 112, the second bifurcated part 122 and the second free end 121 is 1.1mm-1.3mm, preferably 1.2mm, the thickness of the first free end 111 is 0.8mm-1.0mm, preferably 1.0mm, and the laying mode is as follows:

[0048] The first area laying mode: the thickness is 1.2mm, the thickness of each layer is 0.15mm, and a total of 7 layers of carbon fiber and 1 layer of polyarylate fiber cloth are counted, wherein the polyarylate fiber cloth is 200g / m 2 , 1000D polyarylate yarn is selected,

[0049] (1) the first layer 90-degree carbon fiber unidirectional tape;

[0050] (2) the second layer 45-degree carbon fiber unidirectional tape;

[0051] (3) the third layer -45-degree carbon fiber unidirectional tape;

[0052] (4) the fourth layer 90-degree carbon fiber unidirectional tape;

[0053] (5) the fifth layer -45-degree carbon fiber unidirectional tape;

[0054] (6) the sixth layer 45-degree carbon fiber unidirectional tape;

[0055] (7) the seventh layer 90-degree carbon fiber unidirectional tape;

[0056] (8) the eighth layer polyarylate woven cloth.

[0057] The thickness of the first free end 111 is 1.0mm, the thickness of each layer is 0.2mm, and a total of 5 layers of carbon fiber are counted,

[0058] (1) the first layer 90-degree carbon fiber unidirectional tape;

[0059] (2) the second layer 45-degree carbon fiber unidirectional tape;

[0060] (3) the third layer -45-degree carbon fiber unidirectional tape;

[0061] (4) the fourth layer 90-degree carbon fiber unidirectional tape;

[0062] (5) the fifth layer -45-degree carbon fiber unidirectional tape;

[0063] The utility model discloses a kind of shoe soles, as shown in Figure 4 And Figure 5 The shoe sole includes elastic layer and the composite structure support piece described above.

[0064] Elastic layers and support components are layered to form the main body of the sole. The main body of the sole may include one, two, or more elastic layers; or the main body of the sole may include one, two, or more support components. The overlapping and composite arrangement of two or more elastic layers and support components maintains excellent propulsion performance for the forefoot area of ​​the human foot while further reducing the burden on the wearer during running.

[0065] like Figure 4 As shown in the preferred embodiment of this utility model, the sole includes a first elastic layer 1, a support member 2, and a second elastic layer 3 stacked sequentially from top to bottom. The first elastic layer 1 and the second elastic layer 3 are made of elastic materials. According to previous shoe biomechanics and human wearing test results, this preferred stacking method is beneficial to the manufacturing process and provides better comfort and force feedback.

[0066] In addition, the sole also includes an outsole 4 located under the bottom surface of the second elastic layer 3. The outsole 4 is made of an outsole material with excellent anti-slip properties and fatigue wear resistance according to a reasonable formula design. The thinnest thickness of the outsole can meet the actual running needs, effectively reducing the thickness and weight of the sole, achieving the functional requirements of lightweight shoes, and providing wearers with a better wearing experience.

[0067] The first and second elastic layers described above are manufactured using supercritical or chemical foaming processes, employing one, two, or more of the following materials: nylon elastomer, thermoplastic polyurethane (including aromatic and aliphatic types), cast polyurethane, compounded polyurethane, thermoplastic polyether ester elastomer, ethylene-octene copolymer, ethylene-octene block copolymer, ethylene-vinyl acetate copolymer, styrene-butadiene-styrene block copolymer, hydrogenated styrene-butadiene-styrene block copolymer, high-styrene rubber, brominated butyl rubber, cis-butadiene rubber, silicone rubber, ethylene propylene diene monomer (EPDM) rubber, natural rubber, isoprene rubber, nitrile rubber, and chloroprene rubber, through supercritical or chemical foaming.

[0068] Furthermore, the first and second elastic layers are made of supercritical bead foam material (one of nylon elastomer, thermoplastic polyurethane, or polyether ester elastomer), with the following material characteristics: hardness (Asker C) 42±6 and density 0.10-0.18 g / cm³. 3 It boasts a 75%-85% rebound rate and a Peak G rating of 6-12. The lightweight, soft, and elastic material provides excellent shock absorption and rebound for the midfoot and forefoot during running. The elastic layer 3 has a uniform thickness in the forefoot area, and its curvature follows the design of the rigid support layer in the forefoot area. This ensures consistent dynamic deformation of the material during push-off, contributing to improved comfort during repetitive movements (running).

[0069] Preferably, to provide the best force feedback performance for the supporting part, the first elastic layer and the second elastic layer are made of nylon elastomer material, which has the advantages of density of 0.10-0.18 g / cm 3 , Shore C hardness of 42±6, energy return of 75-85%, and peak G of 6-12, so as to provide light and high elastic effects.

[0070] The outsole material is one of butadiene styrene rubber, brominated butyl rubber, cis-butadiene rubber, silicone rubber, ethylene-propylene-diene rubber, natural rubber, isoprene rubber, nitrile rubber, chlorobutyl rubber, nylon elastomer, polyurethane (thermoplastic polyurethane (including aromatic type and aliphatic type), cast polyurethane, mixed polyurethane), thermoplastic polyether ester elastomer, ethylene-octene copolymer, ethylene-octene block copolymer, ethylene-vinyl acetate copolymer, styrene-butadiene-styrene block copolymer, hydrogenated styrene-butadiene-styrene block copolymer, high styrene rubber, two or more materials, one or more rubber or elastomer materials. The outsole has excellent wear resistance, and has the following properties: hardness (Shore A) 62, density 1.20 g / cm 3 , tensile strength 13.4 MPa, elongation at break 632%, right angle tear strength 59.6 N / mm, Akron abrasion (1.61 km) 0.03 cm 3 , DIN abrasion 11 mm 3 , yellowing resistance 4 levels, aging resistance 4 levels.

[0071] The utility model discloses still a kind of shoes, shoe includes vamp and the shoe sole described above, and the shoe sole contains the composite structure supporting part described above, vamp is set on the shoe sole.

[0072] The shoes in Comparative Test Example One and ordinary bifurcated supporting plate shoes are compared, and the materials of the two shoes are basically the same, and the difference lies in whether the supporting part of the forefoot region is coated with polyarylate material. After testing the biomechanical parameter indicators of the right foot of multiple runners at the same speed on a treadmill, the specific experimental data are as follows:

[0073]

[0074]

[0075] From the experimental data, the energy rebound ratio of the forefoot of the example shoe is greater than that of the ordinary split support plate shoe, that is, the deformation of the polyarylate support plate forefoot is greater, thereby storing more energy and increasing the rebound performance, the example shoe has a shorter ground contact time and a shorter stance phase time, thereby improving the sports performance, that is, the forefoot touch elasticity is improved and the foot-ground contact time is shortened, the maximum dorsiflexion angle of the metatarsophalangeal joint and the metatarsophalangeal joint dorsiflexion range of the example shoe are greater than those of the ordinary split support plate shoe, thereby ensuring excellent boost performance and increasing the forefoot flexibility, and the example shoe is suitable for a wider range of runners.

[0076] The utility model is further described above with the help of specific embodiments, but it should be understood that the specific description herein should not be understood as limiting the essence and scope of the utility model, and various modifications made to the above embodiments by ordinary skilled persons in the art after reading the specification all belong to the scope of the utility model. In the above specific embodiments, each specific technical feature described can be combined in any appropriate manner without contradiction. In order to avoid unnecessary repetition, various possible combinations of the utility model embodiments are not described again.

[0077] If the utility model embodiments involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications also change accordingly.

Claims

1. A composite structural support member, characterized by, The first support layer comprises a forefoot region, and a hollow region is formed on the forefoot region, and the second support layer is made of a flexible material and is arranged on the hollow region to make the hollow region of the forefoot region elastic.

2. The composite structural support of claim 1, wherein, The forefoot region of the first support layer comprises a first support part, a second support part and a third support part, the first support part and the second support part are respectively located at the inner side and the outer side of the forefoot region, and the first support part and the second support part are connected through the third support part.

3. The composite structural support of claim 2, wherein, The hollow region is enclosed by the first support part, the second support part and the third support part, and the second support layer is arranged on the first support part, the second support part and the third support part to cover the hollow region.

4. The composite structural support of claim 1, wherein, The second support layer is arranged in a stretched state.

5. The composite structural support of claim 2, wherein, The first support part comprises a first free end and a first bifurcated part, the thickness of the first free end is a first thickness, the thickness of the first bifurcated part, the second support part and the third support part is a second thickness, the first thickness is smaller than the second thickness to reduce the rigidity of the first free end.

6. The composite structural support of claim 5, wherein, The first thickness is 0.8mm-1.0mm, and the second thickness is 1.1mm-1.3mm.

7. The composite structural support of claim 2, wherein, The length of the first support part is greater than the length of the second support part.

8. The composite structural support of claim 2, wherein, The first support layer further comprises a fourth support part and a fifth support part, the fifth support part is connected with the third support part through the fourth support part, and the fourth support part and the fifth support part correspond to the midfoot region and the heel region of the human foot respectively.

9. The composite structural support of claim 8, wherein, The first support layer further comprises a first reinforcing rib which is continuously arranged on the first support part, the third support part, the fourth support part and the fifth support part, and / or the first support layer further comprises a second reinforcing rib which is continuously arranged on the second support part, the third support part, the fourth support part and the fifth support part.

10. The composite structural support of claim 9, wherein, The first reinforcing rib and / or the second reinforcing rib are arranged in a concave-convex structure and can produce elastic deformation.

11. A shoe sole, characterized by The composite structure support, the first elastic layer, the second elastic layer and the outsole are arranged in the shoe.

12. A shoe characterized by The shoe sole comprises the shoe sole as claimed in claim 11.