JP2017042484A - Shoe structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shoe structure that no inclination or twist acts on shoes during walking and that causes no stress to the body.SOLUTION: The invention refers to a shoe having an outer sole 21. With the outer sole 21 placed on a level surface, three points are simultaneously made to bring into contact consisting of a first point of the heel part of the outer sole 21 and second and third points on both outer sides of the outer sole 21 corresponding to the position of the stepping part 22 of the foot flexed during walking. Then, the second and the third points are set in the position of the outer sole corresponding to the intersection of the two vertical arches 26, 27 which are formed from the heel of the foot to the stepping part with the lateral arch 24 which is formed in the stepping part 22.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a shoe structure that can prevent various obstacles resulting from instability of the shoe.

As a highly functional shoe, the flexibility of the part corresponding to the stepping part of the foot that bends during walking is often taken up. Certainly, if the flexibility of the part corresponding to the stepping part of the foot is poor, the function of the arch of the sole will deteriorate, which may cause fatigue during walking, and will interfere with the protection of the muscles and nerves of the sole. I will come.
However, the stability of the shoe when placed on a horizontal surface has been largely ignored.

For example, when a commercially available shoe is placed on a horizontal plane, in many shoes, at least two of the first to sixth points 2 to 7 of the outer sole 1 shown in FIG.
In addition, among the commercially available shoes, both the left and right shoes are in contact with the first to fourth points 2 to 5 when they are in contact with the horizontal plane, while the other shoe is the above There were many cases where at least two places were floating from the horizontal plane.

  In any case, the stability cannot be maintained unless the first to fourth points 2 to 5 are in contact with the horizontal plane. For example, when the second point 3 and the fourth point 5 are floating from the horizontal plane, and the first point 2, the third point 4, the fifth, sixth point 6 and 7 are in contact with the horizontal plane, If you press it intermittently, your shoes will rattle around the line connecting the second, third, and third points.

  When walking with such shoes, after the first, second points 2 and 3 are grounded, the sixth, fourth points 7 and 5 are grounded, and further the fifth point 6 is grounded. Finally, the fourth point 5 is grounded after the sixth point 7 is grounded.

  Since the fourth point 5 is grounded after the sixth point 7 is grounded as described above, the force of the foot cannot be supported by the fourth point 5 at the moment when the fourth point 5 is grounded. Therefore, when the fourth point 5 lands, the sixth point 7 serves as a fulcrum, and the shoe tilts or twists.

In addition, when the second, third points 3 and 4 are floating and the other points are in contact with the ground, when the push point 8 is intermittently pressed, the shoe is centered on the line connecting the first, fourth points 2 and 5. As a result, the shoes will be tilted and twisted.
In addition, although the public gazette was investigated as a prior art document, there was nothing equivalent to a prior art.

Since the conventional shoes as described above are subjected to a tilting force and a twisting force during walking, a large amount of stress is accumulated on the entire body of the person wearing the shoes. This stress has problems such as joint damage and low back pain, and may cause hallux valgus.
An object of the present invention is to provide a shoe structure in which a tilting force and a twisting force do not act on the shoe during walking and the body is not stressed.

  The first invention relates to a shoe having an outer sole. When the outer sole is placed on a horizontal plane, the first point of the heel part of the shoe and the second and third points on both outer sides of the outer sole corresponding to the position of the stepping part of the foot that bends during walking. The points are in contact at the same time.

  The second invention sets the second and third points at the position of the outer sole corresponding to the intersection of the two vertical arches formed from the heel of the foot to the stepping part and the horizontal arch formed on the stepping part. doing.

  According to the structure of the shoe in the first invention, neither tilting force nor torsional force acts on the shoe while walking, so that no stress is accumulated on the body even when walking with the shoe. Since stress is not accumulated in the body in this way, joint damage and hallux valgus are not caused.

  According to the structure of the shoe in the second invention, since the three points are firmly grounded during walking, the vertical arch and the horizontal arch can be maintained. Since the arch on the foot can be maintained in this way, it is advantageous for the force of kicking out the foot, buffering the impact, or protecting the muscles and nerves of the sole.

It is a top view of the outer sole of shoes. It is the perspective view which showed the bending condition of the stepping part bent at the time of a walk. It is the perspective view which showed the condition where a vertical arch and a horizontal arch cross. It is a top view of the outer sole of the conventional shoes.

The shoe of the illustrated embodiment has a structure in which all of the first to third points P1 to P3 of the outer sole 21 are simultaneously in contact with the horizontal plane when it is placed on the horizontal plane.
The first point P1 is set at a substantially central position of the flange portion 21a of the outer sole 21.

The second and third points P2 and P3 are set as follows.
That is, as shown in FIG. 2, the foot F has a stepping portion 22 at a portion that is bent during walking. A lateral arch 24 is formed in the bent portion 23 of the stepping portion 22 as shown in FIG. Two vertical arches 26 and 27 are formed from the center position of the heel 25 of the foot F toward the inside of the thumb and the inside of the little finger.

The horizontal arch 24 and the two vertical arches 26 and 27 intersect, and the portions of the outer sole 21 corresponding to the intersecting portions are defined as the second and third points P2 and P3.
As described above, the position of the outer sole 21 corresponding to the substantially central position of the heel portion 21a of the outer sole 21 and the intersection of the lateral arch 24 formed on the foot F and the two vertical arches 26 and 27, respectively. When the first to third points P1 to P3 are set and the shoe is brought into contact with the horizontal plane, the first to third points P1 to P3 are in contact with the horizontal plane at the same time.

  As described above, the three points P1 to P3 are in contact with the horizontal plane at the same time. However, the first point P1 is located on the heel portion 21a where the greatest force acts when the shoe touches down. The three points P2 and P3 are at positions where a force for kicking out the foot F is applied during walking.

  Since each of the first to third points P1 to P3 where a large force acts during walking in this way reliably contacts the ground during walking, the second point P2 or the third point P3 during walking, for example, You won't be able to support the force away from the ground plane.

  In addition, the buttock 21a is first grounded during walking, and immediately before kicking out the foot F, all of the first to third points P1 to P3 are grounded simultaneously. Since all of the first to third points P1 to P3 are grounded at the same time immediately before kicking the foot F in this way, the magnitude of the kicking force is large at the next stage where a large force acts to kick the foot F. And the direction can be stabilized. Therefore, no tilting force or twisting force acts on the shoe. Since no tilting or twisting force acts on the shoe, the person who wears the shoe hardly accumulates stress.

  Moreover, since the magnitude | size and direction of kicking force can be maintained stably as mentioned above, the horizontal arch and vertical arch which appear on a sole can be maintained. Therefore, it is possible to maintain the functions of these arches, such as the force to kick the foot, the shock buffering, and the protection of the sole muscles and nerves.

The greatest feature of the present invention is that the foot F cannot be stably supported if the shoe is loose when the shoe is placed on a horizontal plane.
However, conventionally, there was no idea of correcting the backlash when the shoe was placed on a horizontal plane, so it is very common that the first to third points P1 to P3 are in perfect contact with commercially available shoes. It has become less.
However, if the concept of stable shoes is clarified by paying attention to the first to third points P1 to P3, instability can be reliably eliminated in the shoe manufacturing process.

  In the above embodiment, the first point P1 set on the collar 21a is not limited to the center of the collar 21a. Also, the second and third points P2 and P3 corresponding to the intersections of the horizontal arch 24 and the vertical arches 26 and 27 do not indicate one intersecting point, but when the shoe is brought into contact with the horizontal plane, As long as the third points P1 to P3 can be touched at the same time, a certain amount of error is allowed.

  The present invention is useful as a stable shoe structure capable of preventing various obstacles.

  21 ... Outer sole, 21a ... Buttocks, P1-P3 ... First to third points, 22 ... Stepping part, 23 ... Bending part, 24 ... Lateral arch, F ... Leg, 26, 27 ... Vertical arch

Claims (2)

  A shoe provided with an outer sole, and when the outer sole is placed on a horizontal plane, the outer side of the outer sole corresponding to the position of the first point that becomes the heel of the shoe and the stepping portion of the foot that bends during walking The structure of the shoe where the second and third points touch simultaneously.   The second and third points are set at the position of the outer sole corresponding to the intersection of two vertical arches formed from the heel of the foot to the stepping part and the horizontal arch formed on the stepping part. The structure of the described shoe.

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