JP2000093202A - Insole structure of shoe - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a foot from slanting forward and backward and to the right and left inside a shoe so as to enable stable walking by forming a recessed part in a surface part of an insole corresponding to at least a first metatarsal bone contact part and a fifth metatarsal bone grounding part, respectively, in the shoe arranged with the insole on a top face of a bottom. SOLUTION: Each recessed part 11, 11a is formed in a surface part corresponding to a first metatarsal bone contact part and a fifth metatarsal bone contact part, respectively, in an insole 1 arranged on a top face of a bottom. The vicinity of an intermediate part of bones of the first digit and the second digit of foot is used as a vertex, a stepped part is formed in a part of the insole 1 forming a chevron-like line in the middle from an intermediate part of the bone of the first digit to an intermediate part of the bone of the fifth digit, and the whole front part is used as a low part 12. Furthermore, the insole 1 is formed by a mid sole lack in a front part and having openings 31, 32 and a flexible intermediate spread extending over the whole main sole, each recessed part 11, 11a is arranged in parts corresponding to the openings 31, 32, and the low part 12 is arranged in a part corresponding to the front lacking part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improved shoe insole structure.

[0002]

2. Description of the Related Art An insole is provided on the upper surface of the sole of a shoe,
It plays the role of a platform that supports the foot directly on the sole. The upper surface of the insole is usually flat, but the heel is spoon-shaped, the sponge is stuck around the heel, and the edge is raised. Also known are those having a cushion function.

[0003] On the other hand, a condition of a good shoe is that the foot does not shift back and forth and right and left inside the shoe. Misalignment causes hammer toe, octopus at upper toe, and beans. In order to prevent slippage, measures such as changing the shoe type to a string type or increasing the compression force of the upper rubber in the slip-on type have been taken, but satisfactory results have not yet been obtained. Not.

[0004]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a shoe in which a foot is prevented from shifting forward, backward, left and right.

[0005]

SUMMARY OF THE INVENTION The present invention relates to a shoe having an insole provided on an upper surface of an outsole, and at least a surface portion of the insole corresponding to the first metatarsal contact portion and the fifth metatarsal contact portion. A concave portion is provided. According to the present invention, in a shoe provided with an insole on the upper surface of the outsole, a concave portion is provided on a surface portion of the insole corresponding to a portion extending from the first metatarsal contact portion to the fifth metatarsal contact portion. Features. The present invention further provides the shoe according to the fifth aspect, wherein the vicinity of the middle part between the first phalange and the second phalange is the apex and the fifth phalange is located in front of the middle phalanx of the phalange and in front of the midfoot of the heel. A step is provided in a portion of the insole corresponding to a substantially “heavy” shape line reaching the middle part of the phalange, and the entire front portion of the “heavy” shape is a lower portion. In this specification, the term "insole" means an insole and / or an insole provided on the upper surface of the outsole of the shoe, and in this case, the insole includes a bottom (midsole).

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION At least a surface portion of an insole corresponding to a first metatarsal contact portion and a fifth metatarsal contact portion, or a portion extending from the first metatarsal contact portion to the fifth metatarsal contact portion. By providing the concave portion on the surface portion of the corresponding insole, it is possible to stably support the foot, and it is possible to prevent the inside of the shoe from shifting in the front-rear and left-right directions. In addition, the whole part corresponding to the part from the mid-phalange to the toe of the insole is made the lower part, so that the five toes fit in the lower part, so that you can feel free of pressure and feel like a barefoot Can be refracted.

[0007]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1-6 shows a first embodiment of the present invention, in which reference numeral 1 denotes an insole, 2 denotes an insole, 3 denotes an insole,
4 is the outsole, 5 is the upper, 11 and 11a are the concave and 12
Indicates the front lower part. The first embodiment is directed to a shoe in which the insole 1 is provided on the upper surface of the outsole 4.
Concave portions 11 and 11a are provided on the surface portions corresponding to the metatarsal contact portion and the fifth metatarsal contact portion, and the vicinity of the middle portion between the first phalange and the second phalange is set as the apex and anterior to the mesial metatarsal point. A step is provided in the corresponding portion of the insole 1 so as to form a substantially "H" -shaped line from the middle part of the first phalange to the middle part of the fifth phalange in front of the midfoot point of the sole, and the "he". The entire front part of the character is defined as a lower part 12, and the insole 1 further comprises an insole 3 lacking the front part and having an opening, and a flexible insole 2 covering the whole of the outsole 4. The insole 3 is adhesively fixed to the upper surface of the outsole 4, and the insole 2 is adhesively fixed to the upper surface of the insole 3 and the front part of the outsole 4. , 11a and a lower portion 12 formed in a portion corresponding to the front missing portion.

The first embodiment will be described in detail. FIG. 1 is a partially cutaway perspective view of a shoe having an insole structure according to the present invention. In the following description, leather shoes are taken as an example,
The present invention is applied not only to leather shoes but also to shoes made of cloth or plastic, and is applied to various shoes for sports, commuting to school, leisure and the like. Reference numeral 4 denotes the outsole, which is made of a known material such as a synthetic resin such as urethane in addition to natural leather. The insole 1 is provided on the upper surface of the outsole 4. In this example, the insole 1 includes an insole 3 and an insole 2. The insole 3 is formed of a known material such as cork, leather board, and pulp board in addition to natural leather, while the insole 2 is formed of a sheet of a known material such as natural leather and synthetic leather. Can be printed and affixed. Code 5
Is an upper formed of a known material such as natural leather or synthetic leather.

FIG. 2 is a bottom view of the insole 1 of the shoe according to the present invention, in which the outline of the foot placed on the insole 1 and the bone of the foot are schematically shown. Insole 1 is first
A concave portion 11 is provided on a surface portion of the metatarsal A1 corresponding to the ground contact portion (the lower end surface of the inside ball), and a concave portion 11a is provided on a surface portion of the fifth metatarsal bone A5 corresponding to the contact portion. Recess 11
Although the depth is appropriately selected depending on the size of the foot, the type of shoes, and the like, it is usually 1 mm to 10 mm, preferably 2 mm to 6 mm, and more preferably 3 mm to 5 mm. The planar shape and size of the concave portion 11 are appropriately selected according to the shape of the lower end face of the inside ball of the foot, and are not particularly limited. However, the concave shape is usually a circular shape or an oval shape or an elliptical shape having a laterally long shape, and the diameter (or long diameter) is usually 30 mm to 45 mm. On the other hand, the depth of the concave portion 11a is also appropriately selected depending on the size of the foot, the type of the shoe, and the like.
Preferably it is 1 mm to 5 mm, more preferably 1 mm to 4 mm. The planar shape and size of the concave portion 11a are not particularly limited, but are usually circular, oval or elliptical in the lateral direction, and the diameter (or long diameter) is usually 10 m.
m to 25 mm.

In this example, as shown in FIG. 2, the vicinity of the middle part between the first phalange B1 and the second phalange B2 is set as the vertex, and the middle part of the first phalange B1 in front of the metatarsal point C on the side of the limb. A step is provided in a portion of the insole 1 corresponding to a substantially "he" -shaped line extending from the toe to the middle part of the fifth phalange B5 in front of the metatarsal point D on the sole side, so that the entire "heavy" front part 12 is formed. Is the lower part. As a result, each toe can bend and stretch without being stressed because it is located in this lowered front portion.

Next, the assembly of the insole will be described with reference to FIGS. In FIG. 3, the upper surface of the insole 3 lacking the front part and having the openings 31 and 32 is formed by a flexible insole 2 having a conventional structure so that the peripheral edge 21 wraps the side surface of the insole 3 and The insole 2 is covered and adhered so as to be depressed in the openings 31 and 32. FIGS. 4 and 5 are a bottom view and a top view, respectively, of the insole 1 that is configured by being bonded in this manner. The recesses 11 and 11a are formed in portions of the midsole 3 corresponding to the openings 31 and 32, respectively, and the low portion 12 is formed in a portion of the midsole 3 corresponding to the front lacking portion. FIG. 6 is a cross-sectional view of the insole taken along the line VI-VI in FIG. 5 and shows a state in which the insole is adhesively fixed on the outsole and a foot is placed thereon for easy understanding. According to the illustrated embodiment, the recess 11 is a flexible insole 2
Is soaked in the opening 31 of the insole 3, and the insole 2 in this portion also serves as a cushion. The depth of the recess 11 (the depth of the insole 2) is preferably about 70% of the thickness of the insole.

The above-mentioned insole structure can be variously modified. For example, although the thing which lacked the front part was used as the midsole 3, you may use the thing which is flat over the whole lower bottom. In this case, the front lower part 12 is not formed. Further, although the openings 31 and 32 are provided in the insole 3, the openings may be provided in the insole 2 at a corresponding position. Alternatively, instead of providing the openings 31 and 32 in the insole 3, the opening
1, 11a may be formed. In any case, the recess 1
It is preferable to adjust the shape of the opening so that the peripheral edge and the bottom surface of 1, 11a draw a gentle curve.

FIG. 7 shows a second embodiment of the present invention.
3 except that the insole 3 in FIG. 3 is changed to the insole 3a shown in FIG.
The second embodiment is similar to the first embodiment. That is, in the second embodiment, in the shoe in which the insole 1 is provided on the upper surface of the outsole 4, the concave portion is formed in the surface portion of the insole 1 corresponding to the portion from the first metatarsal contact portion to the fifth metatarsal contact portion. And from the middle part of the first phalange near the middle part between the first phalange and the second phalange to the middle part of the first phalange in front of the metatarsal point on the crisp side to the middle part of the fifth phalange in front of the metatarsal point on the sole side A step is provided in a corresponding portion of the insole 1 so as to form a substantially “H” -shaped line, and the entire front portion of the “H” -shape is formed as a lower portion 12. An insole 3a having an opening 31a and a concave portion 32a formed in connection with the opening 31a.
And a flexible insole 2 covering the entire insole 4. The insole 3 a is adhesively fixed to an upper surface of the insole 4, and the insole 2 is attached to the upper surface of the insole 3 a and the book. The lower portion 4 is bonded and fixed to the front portion of the bottom 4 to form the concave portion in a portion corresponding to the opening 31a and the concave portion 32a and to form the lower portion 12 in a portion corresponding to the front missing portion. Therefore, in the second embodiment, unlike the first embodiment, the concave portion extends continuously from the first metatarsal contact portion on the surface portion of the insole to the fifth metatarsal contact portion. In the present embodiment, the recess is provided with an opening 31a in the portion of the insole 3a corresponding to the first metatarsal ground contact portion, and is connected to the opening 31a to extend to the fifth metatarsal contact portion and extends to the concave portion 32a. Are formed by extending. The concave portion 32a is gradually tapered from the second metatarsal contact portion to the fifth metatarsal contact portion corresponding to the shape of the second to fifth metatarsal contact portions. The depth of the concave portion 32a depends on the thickness of the insole 3a, but is usually 3 / th of the thickness of the insole 3a.
It is about 4 to 1/2. 32 for a thin midsole
a may be formed by punching as in the case of the opening 31a. The depth of the concave portion corresponding to the concave portion 32a is usually 0.5 mm to 8 mm.
mm, preferably 1 mm to 5 mm.

[0014]

As described above, since the shift in the front, rear, left and right directions inside the shoe can be prevented, a stable walking can be achieved, and the hammer toe, the octopus and the bean on the upper part of the toes can be prevented. This effect is further enhanced when five fingers can freely bend. In particular, in the case of shoes with high heels, the effect of the present invention is remarkable. The present invention is particularly effective for high heel type shoes using relatively thin insoles.

[Brief description of the drawings]

FIG. 1 is a partially cutaway perspective view of a shoe having an insole structure according to a first embodiment of the present invention.

FIG. 2 is a schematic diagram of an insole bottom surface with a foot mounted thereon.

FIG. 3 is an explanatory view of assembling an insole.

FIG. 4 is a bottom view of the insole.

FIG. 5 is a top view of an insole.

FIG. 6 is a sectional view taken along the line VI-VI in FIG. 5;

FIG. 7 is a perspective view showing an insole structure according to a second embodiment of the present invention.

[Description of Signs] 1 Insole 2 Insole 3, 3a Insole 4 Outsole 5 Upper 11, 11a recess 12 Front lower part 31, 31a, 32 opening 32a recess

Claims (3)

[Claims] 1. A shoe comprising an insole provided on an upper surface of an outsole, wherein a concave portion is provided on a surface portion of the insole corresponding to at least the first metatarsal contact portion and the fifth metatarsal contact portion. Shoes to do. 2. A shoe in which an insole is provided on the upper surface of the outsole, wherein a concave portion is provided on a surface portion of the insole corresponding to a portion extending from the first metatarsal contact portion to the fifth metatarsal contact portion. And shoes. 3. An intermediate portion between the first phalange and the second phalange as an apex, from the middle portion of the first phalange in front of the metatarsal point on the crisp side to the middle portion of the fifth phalange in front of the metatarsal point on the sole side. 3. A step portion is provided in a portion of the insole corresponding to a substantially "C" -shaped line, and the entire front portion of the "C" is a lower portion. Shoes.