JPH03170102A - Vibration absorbing and repulsing mechanism in sole - Google Patents

Abstract

PURPOSE:To constitute the mechanism so as to soften a shock at the time of landing by a vibration absorbing body and to prevent an excessive shock applied to a foot, and also, to hold a repulsing body repulsively against the ground at the time of kicking and going forward by providing the vibration absorbing body and the repulsing body in a material of the sole. CONSTITUTION:The sole 4 consists of a three-layer structure of an inner sole 6, a midsole 7 and an outer sole 8 as one example. In the heel part of the midsole 7 among them, a housing part 9 notched cylindrically is formed, and a vibration absorbing and repulsing mechanism 2 is provided therein, and structured so as to be covered with the inner sole 6 thereon. As for the housing part 9 formed in the heel part, a vibration absorbing body 10 to which a columnar and massive gel substance is applied is housed in a state stuck to the bottom face of the containing part 9 at a prescribed interval against a side wall of the housing part 9. Also, as for the vibration absorbing body 10, a circular and sheet-like repulsing body 11 whole diameter dimension is larger than a diameter dimension of the housing part 9 is provided so as to cover the upper part of the housing part 9 in a state stuck to the upper face of the vibration absorbing body 10.

Description

[Detailed description of the invention] (Objective of the invention) Industrial application field> The present invention provides a suction mechanism that softens the blow to the foot when landing, and a repulsion mechanism that maintains the repulsive force against the ground when kicking. It concerns the structure of the shoe sole, which has both mechanisms.

BACKGROUND OF THE INVENTION For example, in order to soften the impact on the foot when landing while running, a gel-like substance, low-resilience rubber, or the like is used as a tUE material in the sole of athletic shoes. However, although such cushioning materials have a vibration-absorbing effect that dampens and disperses the impact vibrations that occur when the shoe lands, on the other hand, due to the effect of such cushioning materials, the repulsive energy that occurs when kicking is hardly retained in the sole of the shoe. However, they were not necessarily easy to use, especially as shoes for sports that require explosiveness. Therefore, the present applicant has already filed Japanese Patent Application No. 63-22474 and Japanese Patent Application No. 63-22474.
No. 101974 and Japanese Patent Application No. 63-105169 disclose an invention relating to a shoe sole having a structure that has both vibration absorption and repulsion functions, but there is still room for improvement in terms of the durability of the repulsion element. Ta.

<Technical matters attempted to be developed> The present invention was made in view of the above background, and
By using a resilient body having a durable shape and combining it with a vibration absorbing body, an attempt was made to develop a vibration absorbing/repulsive tjSl structure in a shoe sole that has sufficient durability even for continuous use.

(Structure of the Invention) Means to Achieve the Purpose In other words, the vibration absorption and repulsion mechanism in the shoe sole, which is the first invention related to the present application, includes a vibration absorber and a repellent body incorporated in the sole material, and the above-mentioned The vibration absorber is made of a gel-like substance in the form of a lump, the repellent body is made of a material with a larger elastic modulus than the vibration absorber, and the repellent body is combined in a state in which it is in contact with the upper surface of the vibration absorber. It is characterized by the fact that

In addition, the second invention of the present application, the vibration absorption and repulsion mechanism in a shoe sole, includes a vibration absorber and a repellent body incorporated into the sole material, and the vibration absorber is made of a gel-like substance in the form of a lump. and the repellent body is made of a material having a larger elastic modulus than the vibration absorber, and the repellent body is combined so as to surround a side circumference of the vibration absorber. be.

Furthermore, the vibration absorption and repulsion mechanism in a shoe sole, which is the third invention according to the present application, includes a vibration absorber and a repellent body incorporated in the sole material, and furthermore, the vibration absorber is made of a gel-like substance forming a lump. The repellent body is made of a material having a larger elastic modulus than the vibration absorber, and the repellent body is assembled inside the vibration absorber.

These inventions attempt to achieve the above object.

Effects of the Invention In the present invention, the vibration absorber made of a gel-like substance incorporated into the sole material softens the impact on the foot when landing, and the repellent body absorbs the repulsion against the ground when kicking. hold power.

<Examples> The present invention will be specifically described below based on illustrated examples. Reference numeral 1 indicates a vibration absorbing and repelling device 4i 2 in the shoe sole according to the present invention.
This is a sports shoe that is commonly used for sports, and consists of a shoe body 3 into which you actually put your feet, a sole 4 located at the bottom of the shoe body 3, and a region near the tips of the shoe body 3 and the sole 4. It is equipped with a front cover part 5 provided so as to cover it. The vibration absorption/repulsion mechanism 2 in the sole of the present invention can be applied not only to athletic shoes such as jogging shoes and tennis shoes, but also to leather shoes, mountain climbing shoes, ski boots, and the like. The sole 4 has, for example, a three-layer structure consisting of an inner sole 6, a minodo sole 7, and an outer sole 8, and the heel portion of the minodo sole 7 has a storage section 9 cut out in a cylindrical shape. The structure is such that a vibration absorption/repulsion mechanism 2 according to the present invention is provided thereon, and an inner sole 6 covers it. still,
The position where the vibration absorption and repulsion mechanism 2 is provided is not limited to the heel portion, but may be provided at any location that receives impact when landing, such as the toe portion. A vibration absorber 10 made of a cylindrical block of gel material having a diameter slightly smaller than the heel portion is attached to the storage portion 9 on the side periphery of the storage portion 9. It is stored in a state where it is glued to the bottom surface of the storage@9, with a certain distance from the side wall of the container. Incidentally, providing a space around the vibration absorber 10 in this way is useful when a load is applied from the top of the vibration absorber 1 (see Fig. 2 (b).
This is to allow the vibration absorber ]O to expand in the radial direction as shown in ). In this example, the gel material constituting the vibration absorber lo is JISK 2530-197.
6 - Silicone gel with a penetration of about 30 to 200 as measured by weight (50 g load) and micro hollow spheres mixed therein. Specifically, it is a product manufactured by Toray Silicone Co., Ltd. Famous Torre Silicone CF50
27, Phyllite (registered trademark) manufactured by Nippon Philai 4 Co., Ltd., and Exvancel (registered trademark) sold by the same company. Moreover, in order to improve durability, it is also possible to use materials reinforced with silica or the like.

For such a vibration absorber 10, a circular thin plate-shaped repellent body 1l whose diameter is larger than that of the storage section 9 covers the upper part of the storage section 9 while being adhered to the upper surface of the vibration absorber 10. It is set up like this. Further, the end portion of the repellent body 11 is supported on the upper surface of the midsole 7 around the storage portion 9.

The material used for the repulsion body 11 has a larger elastic modulus than that of the vibration absorber 10, is flexible, and has high toughness. Examples include engineering plastics with rubber elasticity, but choose ones that are particularly resistant to repeated bending loads. Specifically, for example, phenol resin, Resitonob P L-496 manufactured by Gunei Chemical Industry Co., Ltd.
2. The R series of urea resins manufactured by Ihara Chemical Industry Co., Ltd., especially R-300, or those reinforced with carbon fibers, boron fibers, whiskers, etc. are available.

Incidentally, in this way, the circular thin plate-shaped repellent body 11 is the vibration absorber 1.
By being provided so as to cover the upper part of the storage part 9 while being in contact with the upper surface of the repellent element 11, when an instantaneous impact load is applied from the upper part of the repellent element 11, the terminal end of the repellent element 11 is disposed as shown in FIG. 2(b). is supported on the upper surface of the midsole 7 around the storage part 9, the center part of the repellent body 11 bends downward and is stored as energy, while the impact vibration transmitted from the repellent body l1 is absorbed by the vibration absorber 10. Ru. Further, when kicking forward, the energy stored by the deflection of the repellent body 11 generates an upward bias due to the tendency of the repellent body 11 to return.

Next, another embodiment having a structure in which the vibration absorber 10 is bent downward and substantially stored as energy when an impact load is applied to the vibration absorber 10 as in the above embodiment is shown in FIG. 3(a), for example. Thin rod body 1 that is as strong and flexible as
4 arranged in parallel, or as shown in Figure 3(b).
As shown in the figure, a relatively strong net 15 such as a tennis racket string may be provided so as to cover the upper part of the storage part 9 under an appropriate tension. Furthermore, the third
As shown in Figure (.C), a plurality of holes 16 are formed in a circular thin plate to adjust the repulsive strength of the repellent body 11, and as shown in Figure 3 (.
As shown in d), a plurality of torsion coil springs 17 may be arranged.

Next, another embodiment in which a repellent body 11 is combined to surround the side circumference of the vibration absorber 10 will be described. first! @4
What is shown in Figure (a) is a coil spring-like repellent body 1 that surrounds the side circumference of a cylindrical vibration absorber 10 provided in a storage section 9.
This is a combination of 1. In addition, the above-mentioned implementation date 1
Similarly, when a load is applied from the top of the vibration absorber 10, the vibration absorber 10 expands in the radial direction, so the inner diameter of the coil, which is the repulsion element l1, is larger than the outer dimension of the vibration absorber 10 in the expanded state. do. In addition to the normal shape shown in FIG. 4(a), the shape of the coil spring-like repellent body 11 is different from the normal shape shown in FIG. 4(b). In consideration of the fact that the diameter of a certain material is small, that the middle part of the vibration absorber 10 expands in the radial direction, and that the spring constant is changed, the fourth
As shown in Figure (c), the diameter of the coil spring itself is large in the middle, making it barrel-shaped, or as shown in Figure 4 (d), the pitch of the springs is unequal. good.

In addition, in this embodiment, the coil spring-like repellent body 11 is used as a vibration absorber l.
The strings were tied together so as to surround the side circumference of O, but as shown in Fig. 4(e)
As shown in FIG.
You can also combine them by putting them inside. Incidentally, in this way, the coil spring-like repellent body 1 and the vibration absorber 1 are
In the vibration absorption and repulsion mechanism 2, which is prohibited in combination with 0, the repulsion body 1
When an impact load is applied from the top of the vibration absorber 1, the coil bar-shaped repellent body 11 contracts and is stored as energy, as shown in FIG. 5, while the impact vibration is absorbed by the vibration absorber 10. Further, when kicking forward, the energy stored due to the contraction of the non-Nirvana-like repellent body 11 generates an upward bias as the repellent body 11 tends to return.

In the various embodiments listed above, each of the vibration absorbers 10
Inside is a vibration absorber lO as shown in Fig. 6(a) to (f).
It is also possible to provide a mass structure 8 with a large density force against the barrel gel material. Incidentally, if such a structure is adopted, when the vibration generated when landing is transmitted through the vibration absorber 10, the vibration absorber io. =z Since a vibration different from that of the mass body 18 is generated, the vibration of the mass body 1 causes deformation of the vibration absorber 10. As a result, vibrational energy is converted into thermal energy, resulting in a larger vibration absorption effect. Therefore, by selecting the mass body 18 so as to have an appropriate fixed vibration frequency, it is possible to selectively eliminate the inherent pulling motion that particularly adversely affects the foot. (Effect of the invention) In the present invention, the vibration absorber 10 and the repellent body 1 are provided in the sole material.
1, the vibration absorber 10 softens the impact when landing and prevents excessive impact from being applied to the foot, and the impact energy when landing is stored as elastic deformation of the repellent body 1l. This energy becomes the energy for the foot to hit the ground when kicking.

Furthermore, by combining the repellent body 11 in contact with the upper surface of the vibration absorber 10, or by combining the repellent body 1lt so as to surround the side periphery of the vibration absorber 10, it has sufficient durability even for continuous use. ．．

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view showing an athletic shoe using the vibration absorption/repulsion mechanism in the sole of the present invention, and FIG. 2 is a longitudinal skeletal side view showing both the state before and after a load is applied to the vibration absorption/repulsion mechanism of the invention. FIG. 3 is a perspective view showing various other embodiments of the repulsion body;
Fig. 4 is a skeletal vertical cross-sectional side view showing various embodiments in which a coil spring is used in the above-mentioned repellent body, and Fig. 5 is a skeletal longitudinal cross-sectional side view showing a state in which a load is applied to the vibration absorption/repulsion mechanism to which the above-mentioned repellent body is applied. , and FIG. 6 is a skeletal longitudinal sectional side view showing an embodiment in which a mass body is provided in the vibration absorber in each of the above-mentioned embodiments. : Athletic shoes; Vibration absorption and repulsion mechanism: Shoe body; Sole; Front covering part; Inner sole; Mind sole 8; Outer sole 9; Storage part 10; Vibration absorber 11; Repulsion body 14; Rod body 15; Net body 16; Hole 17 ; Threaded recoil spring l8; Mass body ((7) 7 (C7) (C) Fig. 3(b) l5

Claims (3)

[Claims] (1) The shoe includes a vibration absorber and a repellent body incorporated into the sole material, the vibration absorber being made of a gel-like substance in the form of a lump, and the repellent body having a larger elastic modulus than the vibration absorber. A vibration absorption/repulsion mechanism for a shoe sole, characterized in that the vibration absorption/repulsion mechanism is made of a material, and the repulsion body is combined in a state in which it is in contact with the upper surface of the vibration absorption body. (2) Comprising a vibration absorber and a repellent body incorporated into the sole material, the vibration absorber being composed of a gel-like substance forming a lump, and the repellent body having a larger elastic modulus than the vibration absorber. 1. A vibration absorption and repulsion mechanism for a shoe sole, characterized in that the vibration absorption and repulsion mechanism is made of a material, and further characterized in that the repulsion body is combined so as to surround a side circumference of the vibration absorption body. (3) The shoe includes a vibration absorber and a repellent body incorporated into the sole material, and the vibration absorber is composed of a gel-like substance in the form of a lump, and the repellent body has a modulus of elasticity lower than that of the vibration absorber. 1. A vibration absorption and repulsion mechanism in a shoe sole, characterized in that the vibration absorption and repulsion mechanism is made of a large material, and the repulsion body is assembled inside the vibration absorption body.