KR20110125161A

KR20110125161A - Mid-sole for shoes having shock absorption function

Info

Publication number: KR20110125161A
Application number: KR1020110006341A
Authority: KR
Inventors: 조재영
Original assignee: 조재영
Priority date: 2011-01-21
Filing date: 2011-01-21
Publication date: 2011-11-18

Abstract

PURPOSE: A footwear insole having a shock-absorbing function is provided to prevent the worsening of knees and ankle joints of a pedestrian wearing shoes including the footwear insole. CONSTITUTION: A footwear insole having a shock-absorbing function comprises the following: an insole unit(10) formed in a plantar shaped sheet; a heel curved unit(12) formed on the outside of the insole unit; and a shock-absorbing member(13) installed on the bottom of the heel curved unit for absorbing the walk impact.

Description

Mid-sole for shoes having shock absorption function

The present invention relates to a shoe insole having a shock absorbing function, and more particularly, the shock absorbing member is installed on the heel portion of the insole as well as on the heel of the foot when the heel of the foot touches the ground during walking. The present invention relates to a shoe insole having a shock absorbing function for preventing the deterioration of a pedestrian's knee and ankle joint and improving gaitability by absorbing a walking impact applied thereto.

In general, the main technical contents developed for shoes are to maximize the shock and load applied to the human knee and sole when walking or running, or to minimize the weight of the shoes using special materials, or to ventilate the inside of the shoes. It focuses on technical matters such as suppressing the generation of sweat by smoothly.

In particular, insoles are developed with a focus on technology that can absorb shocks in direct contact with the soles of the human body. In addition, many technologies are developed in terms of sweat absorption, aeration, and antibacterial activity. have.

The insole is mainly made of polyurethane (PU), ethylene vinyl acetate (EVA), and latex (latex), and shoe insoles are manufactured by foam molding and sheet forming.

That is, in the case of manufacturing shoe insole by foam molding, foam material such as polyurethane, ethylene vinyl acetate, latex is injected into the mold and foamed under certain conditions to manufacture the shoe insole, and then on the upper surface of the foam molded shoe insole. This is done by laminating the fabric.

In addition, in the case of manufacturing shoe insoles, the upper surface of the sheet-like polyurethane, ethylene vinyl acetate, and latex material is laminated with fabric paper, and cut into shoe insoles, and the cut insole is put into a mold. After passing through a heat conveyor for 6-12 minutes at 130 ~ 180 ℃, and through the cooling press to maintain a 10 ~ 20 ℃ to produce the end of the shoe insole in a specific shape of the streamline shape to fit the shoe insole The manufacturing is completed.

As such a shock absorbing insole, the Republic of Korea Utility Model Registration No. 395056 (Registration Date: September 01, 2005), the heel part, the front part of the metatarsal bone and the toe part of the metatarsal bone, The shock absorbing part is provided in the contact area, and the shock absorbing part has been proposed to provide a shock absorbing insole having a different inclined surface protruding according to the movement path of the pressure applied to the foot when walking.

In addition, Korean Patent No. 907740 (Registration Date: July 07, 2009) absorbs the shock applied when the foot of a shoe wearer comes into contact with the ground while walking, and on the contrary, increases the resilient elasticity when bumping the ground to absorb shock. And functional shoes are provided that improves the resilience and elasticity.

1A is a bottom perspective view of an insole in which a conventional shock absorbing member is installed, (A) of FIG. 1B is a side view of the insole shown in FIG. 1A, (B) is a cross-sectional view of (A), and (C) is ( A) A cross-sectional view taken along line AA, the shape of a conventional insole 10 is simply a sole-shaped sheet-like, or to support the outer surface of the arch of the foot and the heel portion of the sheet-shaped insole 10 to improve walking Arch arch surface portion 11 and the heel curved portion 12 is formed is the main dominant.

This conventional insole 10 is a soft shock absorbing member 13 to absorb the shock generated by the weight of the wearer when the heel contacts the ground when walking on the heel bottom as shown in Figure 1a Is installing.

In general, the pedestrian walking path is the landing stage where only the heel touches the ground and the foot, the heel, and the toes are separated from the ground, and the support stage where the heel, the foot, the toe, and the toes all touch the ground. Only the toes touch the ground, and the rest of the heel, the midfoot, and the heel are separated from the ground in the driving stage.

Therefore, while the insole 10 with the shock absorbing member 13 installed at the bottom of the heel flows into the shoe, the heel only touches the ground along the walking path, and the footfoot, the heel, and the toes are separated from the ground. When the step is performed, an impact is generated by the weight of the wearer, and the shock absorbing member 13 partially absorbs the impact, thereby preventing deterioration of the knee and ankle joint of the pedestrian and improving walking ability to reduce fatigue. do.

However, as described above, the insole 10 provided with the shock absorbing member 13 at the bottom of the heel is deteriorated in the function of the actual shock absorbing. The reason is that in the landing stage where only the heel touches the ground, the bottom of the heel does not come into contact with the ground first, but actually the heel bone, that is, the end of the heel that corresponds to the calcaneus position. The ankle boundary line (hereinafter referred to as the 'heel shaft') first touches the ground, so that no shock absorption occurs at the heel shaft portion where the shock absorbing member 13 is not installed at the landing stage. Not only can not prevent the deterioration of the gait also has a problem that can only be reduced.

The present invention was devised to solve the above-described problems, the foot of the end of the heel bottom and the ankle boundary line corresponding to the longitudinal position of the foot bone of the shock absorbing member installed on the bottom of the heel of the insole It extends to the heel axis so that only the heel touches the ground along the walking path, and the foot, heel, and toe are all separated from the ground, so that the heel floor and the shock impact applied to the heel axis can be absorbed. In order to prevent the deterioration of the knee and ankle joint of the actual pedestrian and to improve the walking ability as a technical problem.

According to the present invention, the insole is formed in the shape of the sole of the sole, and the heel curved portion is formed on the outer side of the heel portion of the sheet-shaped insole, and the shock absorbing member absorbs the walking impact during the landing step on the heel bottom of the insole. In the shoe insole having a shock absorbing function installed, the shock absorbing member is installed to extend from the bottom of the heel to the heel curved portion so that the pedestrian shock is sequentially absorbed from the heel shaft and the heel bottom during the landing step It features.

The present invention is installed on the bottom of the heel of the insole shock absorbing member extending to the end of the heel bottom corresponding to the end position of the foot bone and the heel axis of the ankle border to install only the heel along the walking path It prevents the actual pedestrian's knee and ankle joint deterioration by absorbing pedestrian impact on the heel floor as well as the floor of the heel during the landing phase when the foot, the toe, the toe, and the toe are all separated from the ground. Increasing the planet has the effect of improving the reliability of the insole.

Figure 1a is a bottom perspective view of a shoe insole with a conventional shock absorbing member is installed.
1A is a side view of the insole shown in FIG. 1A.
(B) is the cross-sectional view of (a).
(C) is the cross-sectional view of AA line.
Figure 2 is a bottom perspective view of a shoe insole having a shock absorbing function according to the present invention.
Figure 3 (a) is a side view of a shoe insole having a shock absorbing function according to the invention.
(B) is cross-sectional view taken along line BB.
Figure 4 is an exploded cross-sectional view of a shoe insole having a shock absorbing function according to the present invention.
Figure 5 (a), (b) is an exemplary view showing a second landing step of the walking path.

Hereinafter, the shoe insole having the shock absorbing function according to the present invention will be described in detail with reference to FIGS. 2 to 5.

An insole 10 of the present invention is formed in the shape of the sole of the sole, the outer side of the portion corresponding to the arch of the sheet-shaped insole 10 is formed with an arch curved surface portion 11, the heel portion on the outer surface of the heel portion The curved portion 12 is formed, the impact on the heel bottom surface and the heel curved portion 12 of the insole 10 absorbs the walking impact applied to the heel axis, as well as the heel bottom surface during the landing step The absorbing member 13 is configured to be extended.

The shock absorbing member 13 extending to the heel bottom surface and the heel curved portion 12 may be fixedly installed as an adhesive on the bottom of the insole 10 or may be uniquely installed in the insole 10.

Shoe insole having a shock-absorbing function according to the present invention made as described above is only touching the heel axis along the walking path as shown in Figure 5 (a), the heel, the foot, the heel, the toes, the ground In the first landing step to be separated from the first heel shaft portion (“a” portion of Fig. 4) corresponding to the calcaneus position of the foot bone by the shock absorbing member 13 in which the heel curved portion 12 is formed It will absorb the shock.

Then, in the second landing step in which only the heel bottom surface touches the ground along the walking path, and the foot, the heel, and the toe portion are all separated from the ground, the foot is absorbed by the impact absorbing member 13 formed on the bottom surface of the heel. At the heel bottom ("b" in Figure 4) will absorb the secondary impact.

Therefore, in the present invention, the first shock absorption occurs in the heel shaft portion by the shock absorbing member 13 installed to extend to the heel bottom surface and the heel curved portion 12 during the landing step by the walking path, and then the heel bottom portion. Secondary shock absorption in the can prevent the actual deterioration of the knee and ankle joint of the pedestrian and improve the walking ability.

10: insole
11: arch curved portion
12: heel curved portion
13: shock absorbing member

Claims

The insole 10 is made of a sole shape of the sole, the heel curved portion 12 is formed on the outer surface of the heel portion of the sheet-shaped insole 10, the landing step on the heel bottom surface of the insole 10 In the shoe insole having a shock absorbing function is installed, the shock absorbing member 13 for absorbing the walking impact when
The shock absorbing member 13 is installed to extend from the bottom of the heel to the heel curved portion 12, the shock absorption, characterized in that the landing shock is sequentially absorbed from the heel shaft and the heel bottom portion during the landing step Shoe insole with function.