Weight of the shoe in addition to affecting physical consumption, but also affect the wearing of fatigue. Shoes heavier, more body fatigue, the lower the comfort. ◆ a flexible shoe (hardness) inside the shoe or the hardness of the flexible shoe (lining, insole) of physical properties of materials. Comfort and softness or hardness of the material is closely related to, all of the soft material have good deformation characteristics of the force, when the foot by deformation in accordance with the requirements of their own body, to feel comfortable. But it is not blindly deformation is comfortable, but also after deformation resilience (elasticity), after deformation resulting shoes foot body cavity space and space for large differences, will even cause discomfort after deformation. In addition, the material hardness affect sneakers comfort factor also with the material specific heat capacity and heat capacity melt and so on. ◆ spatial structure is reasonable rationality refers to the spatial structure of the space inside the shoes control the foot body and human flesh, structural design, physical exercise activity space consistency. The flesh is mainly achieved through the last body, so shoes last body must meet the basic shape of the human foot, but also to fully consider the deformation of the body movement, and the degree of recovery after deformation. In addition, the impact shoe pocket space structure factors include shoe cavity is formed of material deformation, elasticity, material aging (hardening or softening) level. ■ designed for comfort fit of sneakers important aspect of comfort, design, comfort, fit is the primary task. Although previous right fit of sneakers have made many efforts, but the result is not ideal, there are still many consumers reflect not buy shoes fit, comfortable shoes. The reason is that the design and production of sports shoes is based on the shape of the shoe has been designed and manufactured, its shape and structure have been longer able to change some aspects, while sports shoes foot body with the individual consumer’s foot, habits, the sensitivity of such feelings vary widely, one or several, or even a variety of shapes and structures of sports shoes, or adjustable elastic or size shoes, its adjustable range is limited, it is impossible to fit different consumer ‘s many needs. Resolve this conflict, it triggered a custom compounds foot sex. To be able to claim sneakers according to the different needs of different consumers to make appropriate adjustments in a timely manner in order to achieve the best control flip or buffering effect. In order to achieve the effect of custom compounds foot sex, sports shoes design towards the following two directions: First, institutions adjustable device, so that consumers can choose according to their own needs and adjust the tension or tightness; second is the use of stretch change the structure of the material and design. ◆ Adjustable Adjustable institutional apparatus body means some famous sports shoe company has been developed by many shoes on the market reacted very well. 1, inflatable pneumatic control system Reebok adjustable system is the starting point: First, all of the people can not be wrong size, shape identical to two feet; Second, even if the same person left foot size is different; three is the size of the foot before and after exercise are also different. Therefore, to achieve exactly the fit is a more difficult task. Reebok design and manufacture six different inflatable adjustable system. The first one is the outer surface of the inflated local help adjusting device uses a series of rechargeable, deflated air bag, are relatively soft rubber or silicone balloon made of hollow structure, conformal made according to site characteristics, installation In between the uppers and the gang, each inflatable balloon does not affect the appearance of the position left inflation valve. The principle is that when a gas-filled balloon was inflated after firmly affixed to the foot circumference surface, when the foot of the Local highlighted, the balloon trapped under the site, leaving room for protruding parts; contrary occupy the space left foot body, namely airbags automatically adjusting the contact with the foot body. The second is the sole adjustment means plus inflator tongue. The adjustable system has a stabilizing effect support, inflatable air bag like a car, like a shock absorber, protecting the foot joints and ligaments. When the foot for lateral movement, the pressure on the outside will be larger, and the inflated balloon can buffer the pressure. Inflatable sole system can be adjusted to adapt to the needs of a variety of foot, but also can provide better support to the movement, stabilizing effect. The third type is the outer uppers integral inflatable adjustment device. System more control than traditional shoes heel for lateral movements. Traditional sports shoes due to the lack of support and stability airbag, often due to the internal cavity of the shoe heel slide is likely to cause injury. Outside help surface integral inflatable balloon timely adjustment device through deformation, so that the foot in the shoe upper surface of the cavity becomes integrated sliding sports, with no help face the phenomenon of the relative displacement of the foot body. The fourth is the help, inflatable help after adjusting device. Shoes system installed along the mouth of the inflatable adjustable system that can prevent the heel and heel shoes are not very consistent as a result of possible loosening, and timely adjust the ankle in contact with the system tightness of the mouth, to overcome the traditional sports shoes Statistics mouth and ankles are not too tight, too loose is a phenomenon. System is a balloon with a special liquid, were placed in foot heel (for shock absorption) and ankle joints (to avoid sprains). Fifth pneumatic adjusting means for the tongue. By foot inflatable tongue properly adjust the tightness of the tarsal surface, so that the tarsal surface is always in a more comfortable state. Sixth adjusting means is followed by a set of inflator. Its purpose is to adapt to the body in the ground and the foot leaves the ground ankle joint for rotation about the Z axis, in particular in the X-axis direction caused by stretching the rear ankle system tightness of the contact opening. When rotated about the Z axis in the X-axis direction uppers elongated, and upper Z-axis direction in the shrinkage, this airbag natural adaptation of this movement changes, the uppers of the foot body does not produce cutting Le phenomenon significantly improved comfort. Should only focus on overcoming the most sneakers fit of the change in the size of the length, width and ignore heel forefoot and instep parts of the circumference changes. Inflatable wrong with adjustable system to inflate deflated device freely adjust the circumference and width, so that consumers get the best fit of. 2, reversing control system torsion system structure, the uppers and set in between the layers inside the “air pillow,” heel design with butterfly position adjustment knob can be adjusted from the rear part of the tongue between the heel portion to the gas flow, and thus reach the foot of the effect of custom compounds. This system can be reversed depending on the user’s individual needs and provide the most appropriate fit of, and support while providing the best stabilizing effect and bending effects. 3, the disk system which is a planetary gear set with the super strong rope system, and with four “stability film” The role of the system instead of laces. This system has a fine effect, depending on the user’s foot and the movement needs to be adjusted to help surface tension. 4, air fit system means that the system is placed in the high-heel sneakers system integration mouth parts, such as inflatable device in the foot when bending action, allowing the heel stable fit perfectly with the insoles, inserted in the contact because of its high position placed just above the ankle joint in the bottom, rear three directions to provide support and stability effect. But this system due to inconvenient to use, there is only a very short time. ◆ girth adjustment means in order to meet custom requirements of compounds of the foot, adjustable mechanism in addition to outside of the apparatus, there is a multi-circumference (fat), we selected a practical approach. Can be provided to consumers by designing more girth choice. Niu Bulan company through Nick loves company and so have designed and manufactured a variety of circumference sneakers for consumers to choose. Offers a variety of options is to achieve custom circumference of the desired compound foot easiest way, as more design circumference will increase production costs, affecting the development of the design much circumference. With consumers demanding more and more fit, the higher the tendency to provide more girth selected direction will not change. ◆ Application Scalability shoes help surface material compounds feet of custom design also uses Neoprene, Lycra high elastic stretch material for sports shoe uppers, making uppers change the traditional stiff binding impression. This new shoe design like wearing slippers like comfort and gloves like obedient feeling. Because of the use of the material has good elasticity, but also has good ventilation effect as well as the advantages of light weight, able to fully meet the different consumer Teachers foot contours and dimensions, exactly in line with the requirements of custom compounds feet. As the use of high-stretch material uppers can be designed to have both sneakers volleyball, tennis, jai alai sports shoes and many other features. Custom compounds foot movement as well as in the upper surface of the structural design, the use of two leather reinforcement to make its position along a specially designed tongue around the inside and outside of the ankle joint, and finally fixed on both sides of the heel. Consumers can be adjusted according to individual needs integration sneakers fit the mouth, so that the foot can be fixed firmly in the shoes, to avoid ankle sprains class sports injuries. For the same pair of sneakers in the wearer due to physical, psychological and aesthetic differences, the evaluation results vary widely. So far, the international and domestic is still not established a measure of comfort specific indicators and standards. This article will only be qualitative description of the physiological aspects of experience, and introduce some famous sports shoe company’s research and development examples.
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