CN218898566U - Cushioning structure capable of improving energy feedback, sole and shoe - Google Patents

Abstract

The utility model discloses a cushioning structure capable of promoting energy feedback, which comprises a first elastic layer, wherein an arched first supporting plate is arranged at the lower part of the first elastic layer, extends along the transverse direction of a sole and arches towards the direction of the first elastic layer, the first supporting plate corresponds to the heel part, the half sole part and/or the midfoot part of the sole, the first elastic layer and the first supporting plate can realize cushioning through deformation and perform energy storage and feedback, a second supporting plate is arranged at the upper part of the first elastic layer, a second elastic layer is arranged at the upper part of the second supporting plate, the second supporting plate and the second elastic layer are matched with the shape of the sole of a human body, and the energy fed back by the first supporting plate and the first elastic layer can be uniformly dispersed and transferred to the foot part of the human body; a sole and a shoe are also disclosed. The cushioning structure, the sole and the shoe have good cushioning performance and rebound resilience performance, have high pedaling and stretching efficiency, can reduce impact force, reduce damage risk and provide energy feedback in time.

Description

Cushioning structure capable of improving energy feedback, sole and shoe

Technical Field

The utility model relates to the field of shoes, in particular to a cushioning structure capable of improving energy feedback, and soles and shoes comprising the cushioning structure.

Background

When people perform sports or daily activities, the people need to wear different shoes to achieve the purpose of movement. When the foot is moved, the initial contact between the foot and the ground is completed by the sole, the interaction between the foot and the ground is a force transmission process, the larger the acting force is, the larger the impact load born by the foot is, the process can be understood as a process that the foot receives impact force, and the generated impact force is different in different moving speeds or action modes. In a certain range, the larger the impact force is, the larger the negative influence born by the human foot is, and the bad influence can be correspondingly generated on the ankle joint, the knee joint and the hip joint, so that the buffering and damping effect of the sole plays a vital role in protecting the foot. Meanwhile, after the buffering process is finished, the sole also needs to feed back the cushioning energy to the foot in time and give the human body response in time. That is, the sole and the shoe should have both good cushioning and energy feedback functions, thereby reducing sports injuries and improving the sports performance of the human body.

The prior sole cushioning technology generally relates to two aspects, namely a material with good cushioning performance and a structure with good cushioning function, which are two directions of continuous trial and study of researchers and scientific research institutions. At present, materials with good damping performance and rebound performance are mainly supercritical foaming materials such as block polyether amide resin, but the foaming materials are high in price, and although the damping performance is good, good pedaling and stretching efficiency cannot be provided, so that energy loss is high; the sole structure is utilized to perform cushioning, so that the sole structure cannot provide good cushioning effect and timely energy feedback and good pedaling and stretching efficiency.

Disclosure of Invention

The utility model aims to provide a cushioning structure capable of promoting energy feedback, and soles and shoes comprising the cushioning structure. The specific technical scheme is as follows:

the utility model provides a but cushioning structure of promotion energy feedback, including first elastic layer, the lower part of first elastic layer is provided with arched first backup pad, first backup pad extends along the lateral direction of sole and sets up, and arch towards the direction that first elastic layer is located, first backup pad corresponds with heel position of sole, half sole position and/or midfoot position, first elastic layer and first backup pad accessible deformation realization cushioning and energy storage and feedback, the upper portion of first elastic layer is provided with the second backup pad, the upper portion of second backup pad is provided with the second elastic layer, second backup pad and second elastic layer and human plantar shape assorted, can evenly disperse the transmission to human foot with the energy of first backup pad and first elastic layer feedback.

Further, the first backup pad is including the supporting part that is located both ends and the deformation portion that is located the centre, is formed with arched accommodation groove on the lower surface of first elastic layer, and the lower part of first elastic layer and first backup pad is provided with the ground plane, and the supporting part and the ground plane at first backup pad both ends are connected, and deformation portion laminating sets up in the accommodation groove of first elastic layer to form deformation space with the ground plane between.

Further, the ground layer is provided with a hollow structure, and the position of the hollow structure is opposite to that of the deformation part of the first supporting plate.

Further, the position department that the ground plane is close to hollow out construction is provided with first conflict structure, corresponds on the supporting part of first supporting plate to be provided with the second and contradict the structure, the second is contradicted the structure and is supported on the first conflict structure to limit the range that the supporting part moved towards the sole inboard or outside direction.

Further, the hollow structure department of stratum is provided with tensile member, and tensile member corresponds the setting with first backup pad, and tensile member connects between two relative first conflict structures in position to the reinforcing is to the restriction effect of first backup pad deformation range.

Further, the upper surface of first elastic layer is provided with at least one bradyseism groove, and the bradyseism groove sets up with the holding groove is adjacent, and the second backup pad covers on the bradyseism groove, and with the bradyseism groove jointly enclose into the bradyseism space, the bradyseism space runs through the sole setting along the lateral direction of sole.

The utility model provides a sole, includes from top to bottom overlapping second insole, second backup pad, first insole and first backup pad that sets up, and the heel position department of sole is provided with the cushioning structure that can promote energy feedback above.

Further, the heel position of first insole is provided with first bradyseism groove and second bradyseism groove, and the holding groove in the bradyseism structure is located between first bradyseism groove and the second bradyseism groove, and the opening of holding groove is towards ground, and arched first backup pad inlays and establishes in the holding groove, and the opening in first bradyseism groove and second bradyseism groove is towards human foot, and the second backup pad covers on first bradyseism groove and second bradyseism groove to respectively form a bradyseism space in the both sides of holding groove and first backup pad, the bradyseism space runs through the sole setting along the lateral direction of sole.

Further, a plurality of arch structures with upward or downward openings are arranged at the forepalm part of the first midsole and the transition area of the forepalm part and the midfoot part, the arch structures are arranged along the transverse direction of the sole in an extending mode, the arch structures are sequentially arranged along the longitudinal direction of the sole, the opening directions of two adjacent arch structures are opposite, the opening of the arch structures with upward openings form an upper bending groove at the upper surface of the first midsole, the opening of the arch structures with downward openings form a lower bending groove at the lower surface of the first midsole, the second supporting plate is a full-palm supporting plate, and extends from the toe part of the first midsole to the heel part and covers the arch structures, the first cushioning groove and the second cushioning groove.

Further, the arch structure includes an arch opposite the opening, the arch of the plurality of arches sequentially increasing in size from small to large in the direction of the toe of the sole toward the heel.

Further, the dimensions of the arches of the plurality of arches are arranged in sequence from small to large in a ratio of 1:1.2 or 1:1.5 or 1:1.8.

Further, the arch structure comprises an arch part opposite to the opening, a plurality of first bosses are formed at the arch part of the arch structure with the downward opening at positions close to the inner side edge and the outer side edge of the sole, a bearing groove is formed at the heel part of the first midsole, the bearing groove is positioned above the containing groove and the first supporting plate, a second boss is formed at the position close to the inner side edge and the outer side edge of the sole, and the first boss and the second boss are both extended towards the second midsole; the half sole part and the midfoot part of the second supporting plate are attached to the arch part of the arch structure, the heel part is attached to the supporting groove, and the edges of the second supporting plate are embedded in the first bosses and the second bosses; a plurality of fixing grooves are formed in the edge of the second midsole, and the first boss and the second boss are embedded into the fixing grooves so that the first midsole is connected with the second midsole.

Further, the lower part of the first midsole is provided with an outsole, a grounding layer in the cushioning structure is positioned on the outsole, and a hollowed-out structure is formed at the position of the outsole corresponding to the first supporting plate; the first damping groove and the second damping groove are respectively provided with a through hole, the through holes enable the first outsole to be communicated with the hollow structure on the outsole in the vertical direction of the sole, and the through holes are communicated with the second support plate, the damping space, the deformation space at the lower part of the first support plate and the ground.

A shoe comprising a sole as described above.

The cushioning structure, the sole and the shoe capable of improving energy feedback have good cushioning performance and rebound resilience performance, and can provide good pedaling and stretching efficiency, so that the impact force at the moment of grounding is effectively reduced, the damage risk caused by excessive impact is reduced, the energy feedback can be provided in time, and the improvement of athletic performance is facilitated.

Drawings

Figure 1 is a side view of a first embodiment of the sole of the present utility model.

Fig. 2 is an exploded view of a first embodiment of the sole of the present utility model.

Fig. 3 is a perspective view of a second midsole of a first embodiment of a sole.

Fig. 4 is a perspective view of a first midsole of a first embodiment of a sole.

Fig. 5 is a second perspective view of the first midsole of the first embodiment of the sole.

Fig. 6 is a perspective view of a first support plate in a first embodiment of the sole.

Fig. 7 is a second perspective view of the first support plate of the first sole embodiment.

Figure 8 is a perspective view of a midsole of a sole embodiment.

Fig. 9 is a schematic structural view of a sole according to a first embodiment in which a second support plate is provided on a first midsole.

Figure 10 is a cross-sectional view of a first embodiment of a sole.

Fig. 11 is an exploded view of a second embodiment of the sole of the present utility model.

Fig. 12 is a perspective view of a midsole of a second sole embodiment.

Figure 13 is a bottom view of a second embodiment of a sole.

Figure 14 is a cross-sectional view of a second embodiment of a sole.

Detailed Description

In the present utility model, a side of the sole corresponding to the inside of the human foot is defined as the inside of the sole, a side of the sole corresponding to the outside of the human foot is defined as the outside of the sole, a direction in which the inside of the sole points to the outside or the outside points to the inside is defined as the lateral direction of the sole, a direction in which the toe of the sole points to the heel or the heel points to the toe is defined as the longitudinal direction of the sole, and a direction in which the human foot points to the ground or the ground points to the human foot is defined as the vertical direction of the sole.

The cushioning structure capable of promoting energy feedback can be arranged at the heel part, the half sole part or the midfoot part of the sole, can also be arranged at a plurality of parts of the sole at the same time, provides cushioning and damping for different areas of the sole, stores energy and feeds the energy back to the human foot in time. Specifically, the cushioning structure includes first elastic layer, the lower part of first elastic layer is provided with arched first backup pad, first backup pad extends along the lateral direction of sole and sets up, and arch towards the direction that first elastic layer is located, first backup pad corresponds with heel position of sole, half sole position and/or midfoot position, first elastic layer and first backup pad accessible deformation realize the cushioning and carry out energy storage and feedback, when the sole is trampled to human foot, first elastic layer and first backup pad can take place the deformation, and realize the cushioning and carry out energy storage through the deformation, the rethread resumes the shape and realize the feedback of energy.

The laminating of the upper portion of first elastic layer is provided with the second backup pad, and the upper portion laminating of second backup pad is provided with the second elastic layer, and second backup pad and second elastic layer and human plantar shape phase-match. Because the first supporting plate is arched, the form is favorable for generating good cushioning and energy feedback effects, but has poor stability, and the energy feedback is too concentrated to influence the overall foot feeling; and the laminating can promote the holistic stability of bradyseism structure in the second backup pad on first backup pad and first elastic layer upper portion, evenly disperses the energy of first backup pad feedback first simultaneously, and rethread second elastic layer transmits to human foot, and then has optimized the foot sense of bradyseism structure, promotes the effect of energy feedback.

Specifically, the first backup pad is including the supporting part that is located both ends and the deformation portion that is located the centre, is formed with arched storage tank on the lower surface of first elastic layer, and the lower part of first elastic layer and first backup pad still is provided with the stratum, and the supporting part and the stratum at first backup pad both ends are connected, and deformation portion laminating sets up in the storage tank of first elastic layer to form deformation space with the stratum between. The holding groove can carry out the cladding to first backup pad to form the buffering between first backup pad and second backup pad, produce abnormal sound when avoiding first backup pad and second backup pad to receive the deformation, play the noise elimination effect.

Preferably, the ground layer is provided with a hollow structure, and the position of the hollow structure is opposite to that of the deformation part of the first support plate. The position department that the ground plane is close to hollow out construction is provided with first conflict structure, corresponds on the supporting part of first supporting plate to be provided with the second conflict structure, and the second is contradicted the structure and is supported on first conflict structure to limit the range that the supporting part moved towards the inboard or outside direction of sole. By adopting the setting mode, on one hand, the first support plate is favorable for stable connection, and meanwhile, excessive deformation of the first support plate caused by overlarge pressure can be prevented, so that the cushioning effect is ensured, and meanwhile, the elastic performance is good.

As a preferred embodiment, the hollow structure of the ground layer is further provided with a stretching member, the stretching member is correspondingly arranged with the first supporting plate, the stretching member is connected between the two first abutting structures with opposite positions, the limiting effect on the deformation amplitude of the first supporting plate is further enhanced, and excessive deformation is prevented.

As a preferred embodiment, the upper surface of the first elastic layer is provided with at least one cushioning groove, the cushioning groove is arranged adjacent to the accommodating groove, the second supporting plate covers the cushioning groove and forms a cushioning space together with the cushioning groove, and the cushioning space penetrates through the sole along the transverse direction of the sole. The cushioning space is adjacent with first backup pad position, not only can further improve holistic buffering shock attenuation effect of cushioning structure, can promote first backup pad and second backup pad to store more energy and feed back simultaneously.

In order to better understand the purpose, structure and function of the present utility model, the overall structure of the sole is taken as an example, and the cushioning structure, sole and shoe capable of promoting energy feedback according to the present utility model are described in further detail below.

As shown in fig. 1 to 10, in the first embodiment, the sole of the present utility model includes a second midsole 1, a second support plate 2, a first midsole 3, a first support plate 4 and an outsole 5 that are overlapped from top to bottom, and the cushioning structure capable of promoting energy feedback is disposed at the heel portion of the sole. Wherein, first elastic layer in the bradyseism structure is located first insole 3, and the second elastic layer is located second insole 1, and the stratum is located the big end 5.

As shown in fig. 4 and 5, a plurality of arch structures 31 with upward or downward openings are provided at the forefoot portion of the first midsole 3 and at the transition region between the forefoot portion and the midfoot portion, the arch structures 31 are arranged to extend in the lateral direction of the sole, and the plurality of arch structures 31 are arranged in sequence in the longitudinal direction of the sole. The openings of two adjacent arches 31 are in opposite directions, an upwardly open arch 31, the opening of which forms an upper bending groove 32 at the upper surface of the first midsole 3, and a downwardly open arch 31, the opening of which forms a lower bending groove 33 at the lower surface of the first midsole 3. The arch structure 31 with the upper and lower openings can strengthen the cushioning effect of the midsole and the energy storage and feedback effect through deformation, and meanwhile, the upper bending groove 32 and the lower bending groove 33 at the front sole part can improve the bending performance of the front sole of the sole, so that the sole is more comfortable to wear.

The heel position department of first insole 3 is provided with arched accommodation groove 35, and accommodation groove 35 is located the lower surface department of first insole 3, and the opening of accommodation groove 35 is towards ground, and arched first backup pad 4 inlays and establishes in accommodation groove 35. The heel position department of first insole 3 still is provided with first bradyseism groove 36 and second bradyseism groove 37, and the holding groove 35 in the bradyseism structure is located between first bradyseism groove 36 and the second bradyseism groove 37, and the opening in first bradyseism groove 36 and second bradyseism groove 37 sets up towards human foot. The second support plate 2 is a full-sole support plate, and the second support plate 2 extends from the toe portion to the heel portion of the first midsole 3 and covers the arch structures 31, the first cushioning grooves 36 and the second cushioning grooves 37. The second backup pad 2 laminating is in the upper portion of first bradyseism groove 36 and second bradyseism groove 37 to respectively form a bradyseism space in the both sides of holding groove 35 and first backup pad 4, the bradyseism space runs through the sole setting along the lateral direction of sole. The cushioning space can provide larger deformation space for the heel part of the first midsole 3 when the sole is landed, so that impact force generated during landing can be buffered more effectively. The first cushioning space and the second cushioning space are respectively located on the front side and the rear side of the first supporting plate 4, so that energy storage and feedback capacity of the first supporting plate 4 are improved, and meanwhile stability of a heel part is kept.

The arch structure 31 and the buffer groove structure on the first midsole 3 and the first support plate 4 can promote various performances of the sole, but the spaced concave-convex structure not only can cause discomfort of foot feeling, but also can influence the overall stability of the sole, and when the arched first support plate 4 is pressed, the discomfort of foot feeling in the central area of the heel of a human body can be caused due to the fact that the top pressure is too concentrated. The second supporting plate 2 and the second midsole 1 can weaken or avoid the adverse effects, the second supporting plate 2 accords with the curve structure of the sole of a normal human body, a stable supporting effect can be provided for the foot of the human body, and the feedback force upwards of the concave-convex structure and the first supporting plate 4 can be uniformly dispersed by being covered on the first midsole 3, and the feedback force is uniformly transmitted to the foot of the human body through the second midsole 1, so that discomfort of the foot feel caused by the concave-convex structure and the concentrated pressure is relieved, and the integral energy feedback effect of the sole is improved. Compared with a teeterboard type supporting plate or a spoon type supporting plate, the second supporting plate 2 has better and more gentle overall curvature, and can provide better and softer transition effect for human feet.

Further, as shown in fig. 2 and 9, the arch structure 31 includes an arch portion opposite the opening, the arch portions of the plurality of arch structures 31 sequentially increasing in size from small to large in the direction of the toe of the sole toward the heel. The arch structures 31 are arranged in a gradually-from-small and-large mode, so that the foot landing to the ground can be ensured to be smoother. Compared with the arch structure 31, the first cushioning groove 36 and the second cushioning groove 37 at the heel part have larger concave sizes, and the deformation generated when the heel part of the human body is landed is large, so that the better buffering and damping effects are achieved; along with the continuous landing of human feet, the muscle groups of the feet are controlled to gradually apply work, and the midfoot to the half sole does not need a larger buffering function any more, but in order to adapt to different landing modes, more energy is stored in time so as to provide rebound during pedaling, and the arch structures 31 at the midfoot to half sole areas are sequentially arranged from large to small, so that better transition and energy feedback effects can be achieved.

Preferably, the dimensions of the arches of the plurality of arches 31 are ordered from small to large in a ratio of 1:1.2 or 1:1.5 or 1:1.8. The transition effect and the energy feedback effect can be optimized by adopting the arrangement and setting of the proportion.

Further, as shown in fig. 4 and 9, the arch portion of the arch structure 31 with the opening downward is formed with a plurality of first bosses 311 at edge positions near the inner side of the sole and the outer side of the sole; the heel part of the first midsole 3 is provided with a bearing groove 38, the bearing groove 38 is positioned above the accommodating groove 35 and the first supporting plate 4, and the bearing groove 38 is provided with a second boss 381 at a position close to the inner side edge and the outer side edge of the sole; the first boss 311 and the second boss 381 are each provided extending toward the second midsole 1. The half sole portion and the midfoot portion of the second support plate 2 are attached to the arch portion of the arch structure 31, the heel portion is attached to the support groove 38, and the edge of the second support plate 2 is embedded in the plurality of first bosses 311 and the second bosses 381. As shown in fig. 3, a plurality of fixing grooves 11 are provided at the edge of the second midsole 1, and the first boss 311 and the second boss 381 may be inserted into the fixing grooves 11 to connect the first midsole 3 with the second midsole 1. By adopting the arrangement mode, the accurate positioning and stable connection of the first midsole 3 and the second midsole 1 are facilitated, and meanwhile, the coating degree of the first midsole 3 on the second supporting plate 2 can be enhanced, and the uniform dispersion of the pressure of the second supporting plate 2 is further promoted.

Further, as shown in fig. 6 and 7, the first support plate 4 is arched, and includes support portions 41 at two ends and a deformation portion 42 in the middle, where the deformation portion 42 is attached to the first elastic layer in the accommodating groove 35 and forms a deformation space with the outsole 5, and the support portions 41 at two ends of the first support plate 4 are connected with the outsole 5, and the first support plate 4 has a cushioning function, and can support the heel portion of the sole to avoid transition sag. As shown in fig. 8, the outsole 5 is provided with a hollow structure 51, and the hollow structure 51 is positioned at the heel part of the outsole 5 and corresponds to the first support plate 4 in position; the outsole 5 is provided with a first abutting structure 52 at a position close to the hollowed-out structure 51, the supporting portion 41 of the first supporting plate 4 is correspondingly provided with a second abutting structure 43, the second abutting structure 43 can abut against the first abutting structure 52, and therefore the moving amplitude of the supporting portion 41 close to the inner side of the sole towards the inner side of the sole is limited, and the moving amplitude of the supporting portion 41 close to the outer side of the sole towards the outer side of the sole is limited.

Preferably, as shown in fig. 4 and 5, each of the first and second cushioning grooves 36 and 37 is formed with a through hole 39, and the through hole 39 allows the first midsole 3 to be penetrated in the vertical direction of the sole. The through hole 39 is communicated with the hollow structure 51 on the outsole 5, and when the second midsole 1, the second supporting plate 2, the first midsole 3, the first supporting plate 4 and the outsole 5 are overlapped, the second supporting plate 2, the cushioning space, the deformation space at the lower part of the first supporting plate 4 and the ground are mutually communicated. By adopting the arrangement mode, on one hand, larger and more effective deformation space can be provided for the first supporting plate 4, the buffering and energy feedback effects are improved, meanwhile, the weight of the sole can be reduced on the basis of not reducing the buffering and energy feedback effects, and the wearing experience is improved.

As shown in fig. 11 to 14, in the second embodiment of the sole of the present utility model, the sole includes a second midsole 11, a second support plate 12, a first midsole 13, a first support plate 14 and an outsole 15, which are overlapped from top to bottom, and a cushioning structure for enhancing energy feedback is provided at the heel portion of the sole.

Unlike the first embodiment, the hollow structure 151 of the heel portion of the outsole 15 is further provided with a strip-shaped stretching member 16, the stretching member 16 is disposed corresponding to the first supporting plate 14, and the stretching member 16 is preferably connected between two opposite first abutting structures 152, so that traction force can be generated on the two first abutting structures 152, further the limiting effect on the deformation amplitude of the first supporting plate 14 is enhanced, excessive deformation of the first supporting plate 14 caused by excessive pressure is prevented, and therefore good cushioning performance is provided, and meanwhile a certain energy feedback effect is achieved. The stretching member 16 is preferably integrally formed with the outsole 15 by casting, so as to better fix and limit excessive deformation of the first supporting plate 14, and can improve the strength of the stretching member 16 and prolong the service life thereof; meanwhile, the integrally formed arrangement mode can also prevent the first supporting plate 14, the outsole 15 and the stretching member 16 from generating relative displacement offset in the repeated deformation process, so that the outsole 15 is prevented from being damaged at the first abutting structure 152. Of course, the stretching member 16 may be fixedly connected to the outsole 15 by adhesion, engagement, or the like, in addition to the above-described preferred arrangement.

In the first and second embodiments, the first and second support plates may be carbon plates made of carbon fiber material, or hard materials having a certain rigidity such as TPU;

the first midsole and the second midsole can be made of one, two or more materials of thermoplastic polyether ester elastomer, polyamide elastomer, thermoplastic polyurethane (comprising aromatic type and aliphatic type), casting polyurethane, ethylene propylene diene monomer, ethylene-octene copolymer, ethylene-octene block copolymer, styrene-butadiene-styrene block copolymer and hydrogenated styrene-butadiene-styrene block copolymer through supercritical foaming or chemical foaming;

the outsole can be made of one, two or more materials selected from isoprene rubber, nitrile rubber, polyurethane (thermoplastic polyurethane (including aromatic and aliphatic), silicone rubber, ethylene propylene diene monomer rubber, casting polyurethane and mixing polyurethane), brominated butyl rubber, chloroprene rubber, butadiene rubber and natural rubber.

The utility model also discloses a shoe, which comprises the sole, wherein the sole comprises the shock absorption structure.

In order to verify the performance of the cushioning structure, the sole and the shoe of the utility model, running shoes with conventional sole structures are selected as comparative test sample shoes, and comparative tests are carried out with the sole and the shoe of the utility model.

The purpose of the experiment is as follows: the running cushioning performance difference of the finished shoe of the first embodiment of the present utility model and the comparative running shoe was tested.

The experimental method comprises the following steps: the test data were tested according to the running shoe stability comparison test standard (ASTM F1833-2011 Standard Test Method for Comparison of Rearfoot Motion Control Properties of Running Shoes) of the American society for testing and materials (American Society for Testing and Materials, ASTM). 8 male healthy runners with the foot code of US9 are recruited, two pairs of running shoes are respectively worn to run on a running platform at the speed of 3.3m/s, and continuous 10-step right-side lower limb kinematics data are collected after stable running is carried out for 1 minute. Meanwhile, according to the testing method in the testing standard of the shock absorption performance of the shoes in the republic of China (GBT 30907-2014 rubber overshoes and sports shoes), the shock absorption rebound performance of the two pairs of running shoes is tested. The test footwear information is: example a finished shoe, having a weight of 283.0g alone; the comparative running shoes have the single weight of 286.8g and the comparative running shoes only have the conventional sole structure, and the damping structure capable of improving energy feedback, which is possessed by the embodiment finished shoes, is not provided, and the heel part on the outsole is not provided with the hollowed-out structure and the first supporting plate.

The results of comparing shoes of the present utility model with comparative running shoes through mechanical and biomechanical tests are as follows:

table 1 comparison of mechanical impact test results

Note that: the smaller the acceleration peak, the better, the greater the energy rebound.

Compared with a running shoe, the embodiment of the utility model has better buffering effect, and can effectively improve the rebound efficiency of the heel and the half sole, and the heel rebound is good, so that the sole cannot excessively sag when being touched to the ground, the half sole rebound is good, and the pedaling and stretching efficiency is improved.

Table 2 comparison of biomechanical shock absorbing performance index for running

Note that: the smaller the first peak value of the vertical ground reaction force, the smaller the first peak value of the loading rate and the better the average loading rate of the first peak value, the smaller the average loading rate is, which indicates that the smaller the impact force is applied to the foot; the greater the first peak time, the better, and the longer the time, indicating a slower force loading, the less impact force the foot is subjected to.

Compared with the comparative running shoes, the biomechanical test results show that the first embodiment of the utility model can effectively reduce the first peak value of the vertical ground reaction force during the ground contact, prolong the first peak value time and reduce the first peak value loading rate.

The cushioning structure, the sole and the shoe capable of improving energy feedback have good cushioning performance and rebound resilience performance, and can provide good pedaling and stretching efficiency, so that the impact force at the moment of grounding is effectively reduced, the damage risk caused by excessive impact is reduced, the energy feedback can be provided in time, and the improvement of athletic performance is facilitated.

The utility model has been further described with reference to specific embodiments, but it should be understood that the detailed description is not to be construed as limiting the spirit and scope of the utility model, but rather as providing those skilled in the art with the benefit of this disclosure with the benefit of their various modifications to the described embodiments. The individual technical features described in the above embodiments may be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, various possible combinations of embodiments of the present utility model are not described in detail.

If directional indications (such as up, down, left, right, front, and rear … …) are involved in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement, etc. between the components in a particular gesture (as shown in the drawings), and if the particular gesture is changed, the directional indications are correspondingly changed.

Claims (14)

1. Can promote energy feedback's cushioning structure, a serial communication port, including first elastic layer, first elastic layer's lower part is provided with arched first backup pad, first backup pad extends along the lateral direction of sole and sets up, and arch towards first elastic layer place direction, first backup pad corresponds with the heel position of sole, half sole position and/or midfoot position, first elastic layer and first backup pad accessible deformation realization cushioning and carry out energy storage and feedback, first elastic layer's upper portion is provided with the second backup pad, second backup pad and second elastic layer and human plantar shape assorted, can evenly disperse the transmission to human foot with the energy of first backup pad and first elastic layer feedback.

2. The cushioning structure capable of improving energy feedback according to claim 1, wherein the first support plate comprises support portions at two ends and a deformation portion in the middle, an arched accommodating groove is formed in the lower surface of the first elastic layer, a grounding layer is arranged at the lower parts of the first elastic layer and the first support plate, the support portions at two ends of the first support plate are connected with the grounding layer, and the deformation portion is attached to the accommodating groove of the first elastic layer and forms a deformation space with the grounding layer.

3. The cushioning structure capable of improving energy feedback according to claim 2, wherein the ground layer is provided with a hollowed structure, and the hollowed structure is opposite to the deformation part of the first support plate.

4. The cushioning structure capable of improving energy feedback according to claim 3, wherein the ground layer is provided with a first abutting structure at a position close to the hollow structure, and a second abutting structure is correspondingly provided on the supporting portion of the first supporting plate, and the second abutting structure abuts against the first abutting structure to limit the moving range of the supporting portion towards the inner side or the outer side of the sole.

5. The cushioning structure capable of improving energy feedback according to claim 4, wherein a stretching member is arranged at the hollow structure of the ground layer, the stretching member is arranged corresponding to the first supporting plate, and the stretching member is connected between the two first opposite abutting structures at opposite positions so as to enhance the limiting effect on the deformation amplitude of the first supporting plate.

6. The cushioning structure capable of promoting energy feedback according to any one of claims 2 to 5, wherein at least one cushioning groove is provided on the upper surface of the first elastic layer, the cushioning groove is provided adjacent to the accommodating groove, the second support plate covers the cushioning groove and forms a cushioning space together with the cushioning groove, and the cushioning space is provided to penetrate the sole in the lateral direction of the sole.

7. A sole comprising a second midsole, a second support plate, a first midsole and a first support plate arranged in an overlapping manner from top to bottom, wherein the heel portion of the sole is provided with a cushioning structure capable of promoting energy feedback as claimed in any one of claims 1 to 6.

8. The sole of claim 7, wherein the heel portion of the first midsole is provided with a first cushioning channel and a second cushioning channel, the receiving channel in the cushioning structure is located between the first cushioning channel and the second cushioning channel, the opening of the receiving channel faces the ground, the arched first support plate is embedded in the receiving channel, the openings of the first cushioning channel and the second cushioning channel face the foot of the person, and the second support plate covers the first cushioning channel and the second cushioning channel to form a cushioning space on each of two sides of the receiving channel and the first support plate, and the cushioning space extends through the sole in a lateral direction of the sole.

9. The sole of claim 8, wherein a plurality of arch structures with upward or downward openings are arranged at the forefoot portion of the first midsole and at the transition area between the forefoot portion and the midfoot portion, the arch structures extend in the lateral direction of the sole, the arch structures are arranged in sequence in the longitudinal direction of the sole, the openings of two adjacent arch structures are opposite in direction, the arch structures with upward openings form an upper bending groove at the upper surface of the first midsole, the arch structures with downward openings form a lower bending groove at the lower surface of the first midsole, and the second support plate is a full-sole support plate extending from the toe portion of the first midsole to the heel portion and covering the arch structures, the first cushioning groove and the second cushioning groove.

10. The sole of claim 9, wherein the arch structure includes an arch opposite the opening, the arch portions of the plurality of arch structures sequentially increasing in size from small to large in a direction in which the toe of the sole points toward the heel.

11. The sole of claim 10, wherein the arch portions of the plurality of arches are sized in a ratio of 1:1.2 or 1:1.5 or 1:1.8 in order from small to large.

12. The sole of claim 8, wherein the arch structure includes an arch opposite the opening, the arch of the arch structure with the opening facing downward forming a plurality of first bosses near medial and lateral edges of the sole, the first midsole having a heel portion with a support channel positioned above the receiving channel and the first support plate, the support channel having second bosses near medial and lateral edges of the sole, the first bosses and the second bosses each extending toward the second midsole; the half sole part and the midfoot part of the second supporting plate are attached to the arch part of the arch structure, the heel part is attached to the supporting groove, and the edges of the second supporting plate are embedded in the first bosses and the second bosses; a plurality of fixing grooves are formed in the edge of the second midsole, and the first boss and the second boss are embedded into the fixing grooves so that the first midsole is connected with the second midsole.

13. The sole of claim 8, wherein the lower portion of the first midsole is provided with a outsole, the ground layer in the cushioning structure is positioned on the outsole, and a hollowed-out structure is formed at a position of the outsole corresponding to the first supporting plate; the first damping groove and the second damping groove are respectively provided with a through hole, the through holes enable the first midsole to be communicated with the hollow structure on the outsole in the vertical direction of the sole, and the through holes are communicated with the hollow structure on the outsole so that the second support plate, the damping space, the deformation space at the lower part of the first support plate and the ground are mutually communicated.

14. A shoe comprising a sole according to any one of claims 7 to 13.

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