JP3462092B2 - Shoe insole structure - Google Patents

Description

Detailed Description of the Invention

[0001]

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

[0002]

2. Description of the Related Art Insoles are provided on the upper surface of the outsole of shoes.
It plays the role of a platform that rests the sole of the foot and directly supports the foot. The upper surface of the insole is usually flat, but the one with a spoon-shaped heel, the one with a sponge attached around the heel to raise the edges, and the one with the spread leather on the inner thighs are used for arching. Some are known to have the function of a cushion.

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

[0004]

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

[0005]

According to the present invention, in a shoe having an insole provided on the upper surface of the insole, at least a surface portion of the insole corresponding to the first metatarsal ground contact portion and the fifth metatarsal ground contact portion. It is characterized in that a recess is provided. The present invention also provides a shoe having an insole provided on the upper surface of the outsole, wherein a recess is provided on a surface portion of the insole corresponding to a portion extending from the first metatarsal ground contact portion to the fifth metatarsal ground contact portion. Characterize. The present invention further relates to the above shoe, wherein the vicinity of an intermediate portion between the first phalange and the second phalange is an apex and a fifth middle portion between the middle metatarsal point in front of the metatarsal point in front of the tibia and the middle metatarsal point in front of the heel side in the fifth side. It is characterized in that a step is provided at a portion of the insole corresponding to an approximately "he" shaped line extending to an intermediate part of the phalange, and the entire front part of the "he" shape is made a lower portion. In the present 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 midsole.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION At least the surface portion of the insole corresponding to the first metatarsal bone grounding portion and the fifth metatarsal bone grounding portion, or the portion extending from the first metatarsal bone grounding portion to the fifth metatarsal bone grounding portion. By providing the concave portion on the surface portion of the corresponding insole, it is possible to stably support the foot and prevent the front / back / left / right displacement inside the shoe. In addition, by making the entire part of the insole corresponding to the part from the middle part of the phalange to the toes low, the five toes fit in the low part and feel free to feel as if barefoot without feeling pressure. Can be refracted.

[0007]

Embodiments of the present invention will now be described in detail with reference to the drawings. 1-6 show a first embodiment of the present invention, in which 1 is an insole, 2 is an insole, 3 is an insole,
4 is a bottom, 5 is an upper, 11 and 11a are recesses and 12
Indicates the front lower part. The first embodiment is a shoe in which the insole 1 is provided on the upper surface of the outsole 4, and
The recesses 11 and 11a are provided in the surface portions corresponding to the metatarsal bone grounding portion and the fifth metatarsal bone grounding portion, and the metatarsal point anterior to the tibia side with the vicinity of the intermediate portion between the first and second phalanges as the apex. From the middle part of the first phalange to the middle part of the fifth phalange in front of the mid metatarsal foot, a step is provided on the corresponding part of the insole 1 so as to form a substantially "H" -shaped line, and the "H" The entire front portion of the character shape is a lower portion 12, and further, the insole 1 is composed of an insole 3 lacking the front portion and having an opening, and a flexible insole 2 extending over the entire insole 4, The insole 3 is adhesively fixed to the upper surface of the outsole 4, the insole 2 is adhesively fixed to the upper surface of the insole 3 and the front portion of the outsole 4, and the recess 11 is provided at a portion corresponding to the opening. , 11a and a lower portion 12 is formed in a portion corresponding to the front lacking portion.

The first embodiment will be described in detail. FIG. 1 is a partially cutaway perspective view of a leather shoe having an insole structure of the present invention. In addition, although the following explanation will be given by taking leather shoes as an example,
INDUSTRIAL APPLICABILITY The present invention is not limited to leather shoes, but can be applied to cloth and plastic shoes, and can be applied to various shoes for sports, commuting to school, and leisure. Reference numeral 4 indicates the outsole, which is made of a known material such as synthetic resin such as urethane in addition to natural leather. An 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 made of a known material such as cork, leather board or pulp board in addition to natural leather, while the insole 2 is formed of a sheet of a known material such as natural leather or synthetic leather. It can be printed or pasted. 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 of the present invention, and schematically shows the contour of the foot placed on the insole 1 and the bone of the foot. Insole 1 is first
The metatarsal bone A1 has a concave portion 11 on the surface portion corresponding to the ground contact portion (lower end surface of the inside ball) and the concave portion 11a on the surface portion corresponding to the ground contact portion of the fifth metatarsal bone A5. Recess 11
The depth is usually 1 mm to 10 mm, preferably 2 mm to 6 mm, and more preferably 3 mm to 5 mm, although it is appropriately selected depending on the size of the foot, the type of shoes, and the like. The planar shape and size of the recess 11 are appropriately selected depending on the shape of the lower end surface of the inside ball of the foot, and are not particularly limited, but are usually circular or oval or elliptical long in the lateral direction, and the diameter (or major axis) is usually It is 30 mm to 45 mm. On the other hand, the depth of the recess 11a is appropriately selected depending on the size of the foot, the type of shoes, etc., but is usually 0.5 mm to 8 mm,
It is preferably 1 mm to 5 mm, more preferably 1 mm to 4 mm. The planar shape and size of the recess 11a are not particularly limited, but are usually circular or oval or elliptical long in the lateral direction, and the diameter (or major axis) is usually 10 m.
m to 25 mm.

In this example, as shown in FIG. 2, an apex is located in the vicinity of the middle part between the first phalange B1 and the second phalange B2, and the middle part of the first phalange B1 in front of the metatarsal point C on the kyphosis side. A step is provided at a portion of the insole 1 corresponding to a substantially "he" shaped line extending from the front side of the midfoot point D to the midpoint of the fifth phalange B5, and the entire front portion 12 of the "he" shape is formed. Is the lower part. As a result, since each toe is located in this lowered front part, it can bend and stretch without being pressed.

Next, the assembly of the above-described 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 provided with a flexible insole 2 having a conventional structure so that its peripheral edge 21 wraps the side surface of the insole 3 and The insole 2 is covered and attached so as to be depressed in the openings 31 and 32. FIG. 4 and FIG. 5 are a bottom view and a top view of the insole 1 formed by laminating in this way. The recesses 11 and 11a are formed in portions of the insole 3 corresponding to the openings 31 and 32, respectively, and the lower portion 12 is formed in a portion of the insole 3 corresponding to the front lacking portion. FIG. 6 is a cross-sectional view of the insole taken along line VI-VI in FIG. 5, showing a state in which the insole is adhesively fixed onto the outsole and a foot is placed 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 of this portion also functions 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.

Various modifications can be made to the insole structure described above. For example, as the insole 3, the one without the front portion was used, but a flat one over the entire bottom may be used. 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 a portion corresponding to the insole 2. Alternatively, instead of providing the openings 31 and 32 in the insole 3, the openings are provided only in the insole 2 to form the recess 1
1, 11a may be formed. In either case, the recess 1
It is preferable to adjust the shape of the openings so that the peripheral edges and bottom surfaces of 1 and 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 a shoe in which the insole 1 is provided on the upper surface of the outsole 4, the concave portion is formed on the surface portion of the insole 1 corresponding to the portion extending from the first metatarsal ground contact portion to the fifth metatarsal ground contact portion. And from the middle part of the first phalange near the middle part of the first phalange and the second phalange to the middle part of the fifth phalange in front of the metatarsal side of the tibia. A step is provided in the corresponding portion of the insole 1 so as to form a substantially "he" -shaped line, and the entire front portion of the "he" shape is formed as the lower portion 12, and the insole 1 is further lacked in the front portion and An insole 3a having an opening 31a and a concave portion 32a formed so as to be connected to the opening 31a
And an insole 2 that is flexible over the entire insole 4, the insole 3a is adhesively fixed to the upper surface of the insole 4, and the insole 2 is attached to the upper surface of the insole 3a and the book. The bottom 4 is adhered and fixed to the front portion, and the concave portion is formed in the portion corresponding to the opening 31a and the concave portion 32a, and the lower portion 12 is formed in the portion corresponding to the front lacking portion. Therefore, the second embodiment differs from the first embodiment in that the recess extends continuously from the first metatarsal ground contact portion of the surface portion of the insole to the fifth metatarsal ground contact portion. In the present embodiment, the concave portion 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 form a concave portion 32a in a portion extending to the fifth metatarsal ground contact portion. Is formed by extending. The recessed portion 32a is gradually tapered from the second metatarsal ground contact portion to the fifth metatarsal ground contact portion in correspondence with the shapes of the second to fifth metatarsal ground contact portions. The depth of the recess 32a depends on the thickness of the insole 3a, but is usually 3 / thickness of the thickness of the insole 3a.
It is about 4 to 1/2. 32 in the case of a thin insole
It may be formed by punching out a similarly to the opening 31a. The depth of the concave portion corresponding to the concave portion 32a is usually 0.5 mm to 8
mm, preferably 1 mm to 5 mm.

[0014]

EFFECTS OF THE INVENTION Since it is possible to prevent the slippage in the front, rear, left and right directions inside the shoe, it is possible to walk stably and prevent hammer toe, octopus above the toes, and beans. This effect is further enhanced if the five fingers can flex freely. In particular, the effect of the present invention is remarkable in the case of high heel shoes. The present invention is particularly effective for high heel type shoes using a relatively thin insole.

[Brief description of drawings]

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

FIG. 2 is a schematic bottom view of an insole on which a foot is placed.

[Fig. 3] Assembly explanatory view of the insole

[Figure 4] Bottom view of the insole

FIG. 5: Top view of the insole

6 is a sectional view taken along line VI-VI of FIG.

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

[Explanation of symbols]

1 insoles 2 Insoles 3,3a insole 4 outsole 5 upper 11, 11a Recess 12 front lower part 31, 31a, 32 openings 32a concave part

Claims (2)

(57) [Claims] 1. In a shoe having an insole provided on the upper surface of the outsole, at least a concave portion is provided on a surface portion of the insole corresponding to at least the first metatarsal ground contact portion and the fifth metatarsal ground contact portion, and the first middle shoe. A shoe characterized in that a recess is provided in a surface portion of the insole corresponding to a portion extending from the foot bone grounding portion to the fifth metatarsal bone grounding portion. 2. From the middle part of the first phalange in front of the metatarsal side of the tibia to the middle part of the fifth phalange in front of the metatarsal side of the knee, with the vertex near the middle part between the first and second phalanges. The shoe according to claim 1, wherein a step is provided in a portion of the insole corresponding to a substantially "he" shape line to reach, and a front portion of the "he" shape is entirely formed as a lower portion.