JPH1132812A - Tightening structure for shoe - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tightening structure for shoe that improves comfortableness to wear and reduce a loss of power an wind-up part by getting a tightened state of a cover for an instep that makes an wind-up part fit equally and securing fitness for a sole of foot to an arch of a foot. SOLUTION: An wind-up part 9 that covers an inside part of a forefoot part 5 and a peripheral part 8 is installed at a cover for an instep 4 (upper), then tubiform insertional holes 10(1)-10(N) are installed at an upper edge of the wind-up part 9 and the first tightening material 13 which is free from stretch is inserted along the upper edge of the wind-up part. And a sole of shoe 14 is consisted so as to be tight the cover for an instep 4 and pull to a sole by extending the first tightening material 13 to a side part which is a backward of a forefoot part of an arch of a foot part for the sole 14 and pulls the first tightening material 13 by the second tightening material 16 then pulls the wind-up part 9 toward a central of an instep part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shoe tightening structure having a good fit.

[0002]

2. Description of the Related Art In general athletic shoes, a shoelace is tightened in the width direction of the foot by tightening the shoelace. It was difficult to adjust the fit. On the other hand, as a shoe tightening structure capable of obtaining a tightening force in the foot length direction, for example, the structure described in Japanese Utility Model Laid-Open No. 57-120303 is known. FIG. 16 shows a tightening structure for this type of shoe. In this figure, an insertion hole 52 and an insertion hole 53 having an open front side are provided at the upper edge of the upper 51 covering the inside and outside of the forefoot portion of the foot 50. By tying the tightening operation portions of the strings 54 to each other while pulling, the upper edge portion of the upper 51 is drawn toward the center of the upper, and the upper 51 fits the inner portion and the outer portion of the forefoot portion of the foot 50. Not only that, a feeling of fit in the foot length direction can be obtained.

[0003]

However, since the conventional shoe fastening structure does not have a function of drawing the sole to the sole, the fit between the sole and the sole cannot be ensured. . Therefore, power loss during exercise increases, and improvement in comfort is restricted. In addition, since the upper cover elongates with time, the fit obtained at the time of wearing may decrease in a relatively short time. Further, in athletic shoes, in order to prevent blurring, the upper cover (upper) must be made somewhat hard (hard to stretch), and the foot area becomes tight and causes pain.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and provides a tightened state of the instep which is uniformly fitted not only in the width direction of the foot but also in the length direction of the foot. It is an object of the present invention to provide a shoe tightening structure that can reduce the power loss at the time of exercise and improve the wearing comfort by ensuring the fit of the back, and can prevent the deterioration of the fit over time. Aim.

[0005]

In order to achieve the above-mentioned object, a shoe fastening structure according to the present invention comprises at least an inner portion (first metatarsal head) and an outer portion of a forefoot portion in an upper. A tubular insertion hole is provided in the upper edge of the upper part of the roll that covers the part (fifth metatarsal head), and a first non-stretchable fastening member is inserted into the insertion hole along the upper edge of the upper part of the roll. The upper part of the sole is extended to the side part behind the forefoot part, the first tightening member is pulled by the second tightening member, and the upper part is pulled toward the center of the upper part to tighten the upper. In addition, the sole is drawn to the sole.

According to the present invention, the non-stretchable first tightening member is pulled by the second tightening member, so that the winding portion is drawn toward the center of the instep, so that not only the width direction of the foot but also the length of the foot. It is possible to obtain a tightened state of the upper that is evenly fitted in the direction, and to draw the shoe sole to the sole to ensure the fit between the sole and the sole.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 3, a shoe 1 includes an outer sole (outer sole) 2, an inner sole (insole) 3, an upper 4, and the like. The upper 4 covers the instep of the foot from above and from the side.
Is provided. The wound part 9 is at least the head 6 of the inner part (first metatarsal) 6 of the forefoot 5 shown in FIGS.
a from the vicinity through the tip of the toe (toe bone) 7
It is for covering continuously to the vicinity of the head 8a of the metatarsal bone 8, and its projected plane shape is a horseshoe shape along the inner part 6, toe 7 and outer part 8.

A plurality of tubular insertion holes 10 (1), 10 (2)...
(N-1) and 10 (N) are provided. These tubular insertion holes 10 (1)... 10 (N) correspond to, for example, the head 6a.
Are arranged in a substantially U-shape along the direction in which the winding portions 9 extend from the vicinity of the head to the vicinity of the head 8a.

The tubular insertion hole 10 (1)... 10
In (N), a first tightening member 13 made of a non-stretchable and moderately flexible material such as a tube or a string made of a metal twisted wire or a synthetic resin is provided on the winding part 9. It is inserted along the edge. The tubular insertion hole 10 (N)
As shown in FIG. 1 and FIG. 2, a portion protruding outward from the outside and a portion remaining outside the tubular insertion hole 10 (1) extend to a side portion of a tread portion of the shoe sole 14, respectively. Let
From here, the shoe sole 14 is squeezed toward the lower side of the step portion, and the leading end of the protruding portion and the rear end of the remaining portion are swaged with the swaging material 15 as shown in FIGS. 1 and 6. One tightening member 13 is continuous in a loop shape.

1 to 3, a second tightening member 16 is provided on the first tightening member 13. The second tightening member 16 is provided at a substantially central portion of the forefoot portion 5, that is, near an open rear end of the winding portion 9 having a horseshoe shape. It is intended to apply a tightening force to the first tightening member 13 by being pulled toward the side, and is constituted by, for example, a belt-shaped surface fastener. In addition, as shown in FIG. 3, the second fastening member 16
The first folded portion 16a is sewn on the second folded portion 16a.
b is overlapped and fastened to the hook-and-loop fastener part 16c.

In the above construction, the second fastening member 1 shown in FIG.
6, the first tightening member 13 is narrowed down, so that the winding portion 9 has a tubular insertion hole 10 (1)... 1
It is drawn toward the center of the upper part through 0 (N).
For this reason, the rolled-up part 9 fits evenly to the head 6a, the toe 7 and the head 8a of the outer part of the forefoot part 5 in FIG. 5, so that the power loss during exercise is reduced and the comfort is reduced. Is improved.

In particular, the squeezing of the first fastening member 13 in FIG. 1 causes the stepping portion of the sole 14 to be drawn to the sole as shown by the broken arrow in FIG. Thereby, the sole 14
The fit between the foot portion and the sole of the foot is significantly improved, the power loss is reduced, and the comfort can be improved.

Further, by adjusting the narrowing amount of the first tightening member 13, the upper 4 is evenly fitted to the upper 4, and the sole is fitted to the tread portion of the sole 14. By setting the feeling and the state according to the preference of the wearer, the comfort can be improved.

On the other hand, due to the non-stretching property of the first tightening member 13, the good fit obtained when worn can be maintained for a long time.

As shown in FIG. 7, the insertion holes 10 may be provided continuously. Further, as shown in FIG. 8, a mesh member 17 such as a mesh may be provided between the winding portions 9. Also,
As shown in FIG. 9, the area of the upper 4 covering the toes 7 of the forefoot portion 5 (see FIGS. 4 and 5) may be increased. Further, as shown in FIG.
May be configured.

On the other hand, as shown in FIG. 11, the first tightening member 13 may be pulled below the stepping portion of the shoe sole 14. Also,
As shown in FIG. 12, a portion of the first fastening member 13, which is opposed to a substantially central portion of the forefoot portion 5, is connected to each other with a cord 20, and the hook-and-loop fastener 1 is connected to the cord 20 via a connecting member 18.
The second tightening member 16 may be configured by attaching 9.

On the other hand, a tip of a portion of the first tightening member 13 projecting outward from the tubular insertion hole 10 (N),
The rear end of the outer remaining portion of the tubular insertion hole 10 (1) is
As shown in FIG. 13, fixed portions 21 and 21 may be fixed to both sides of the lower end portion of the upper 4 or both sides of the step portion of the sole 14. As a specific example of the fixed 21, 21 structure, for example, FIG.
A large diameter locking head 21a is provided at the front end of the protruding portion and at the rear end of the remaining portion, and the locking head 21a is provided on both sides of the lower end of the upper 4 or the stepping portion of the shoe sole 14. The engaging portions 21b provided on both sides are engaged.

Furthermore, as shown in FIG. 15, the winding portion 9 covering the tip of the fingertip 7 is omitted, and the non-stretchable first fastening member 1 is removed.
3 is inserted through the insertion hole 10 along the upper edge of the winding top 9 from the inside tip of the forefoot 5 to the inside rear of the forefoot 5,
The first tightening member 13 may be fixed at both distal ends of the forefoot 5 while being inserted through the insertion hole 10 from the outer distal end of the forefoot 5 to the outer rear of the forefoot 5. A non-stretchable first fastening member 13 is provided on the lower surface of the outer sole 2 corresponding to the tip of the toe 7.
May be sunk.

The first fastening member 13 may be formed by covering a hard member such as a wire with a tubular cord (tubular cushion material) made of resin. In the present invention, the first of FIG.
The fastening portion 13 may be extended to the side of the heel of the shoe sole 14 so that the entire shoe sole 14 including the heel fits the sole.

[0020]

As described above, according to the present invention,
By pulling the non-stretchable first tightening member by the second tightening member, the leading ends of the winding portion and the outer bottom are drawn toward the center of the upper part, and these are pulled inward, forward and outer of the forefoot. As well as being able to obtain a tightened state that fits evenly, the sole can be pulled to the sole and the foot of the sole can be firmly held on the sole, reducing power loss and putting on Comfort can be improved. In addition, the non-stretchability of the first fastening member can prevent a decrease in the fit over time. Furthermore, the second
By adjusting the tensile strength of the non-stretchable first tightening member by the tightening member, the upper part is tightened evenly by tightening the upper, and the fit of the sole and sole of the sole of the shoe sole Can be set in a state according to the wearer's preference.

[Brief description of the drawings]

FIG. 1 is a perspective view of a shoe showing an embodiment of the present invention.

FIG. 2 is a side view of FIG.

FIG. 3 is a sectional view taken along line AA of FIG. 2;

FIG. 4 is a side view showing a skeleton of a foot.

FIG. 5 is a plan view of FIG. 4;

FIG. 6 is a sectional view of a caulking portion.

FIG. 7 is a partial plan view of a shoe showing an embodiment of the present invention.

FIG. 8 is a partial plan view of a shoe showing another embodiment.

FIG. 9 is a partial plan view of a shoe showing another embodiment.

FIG. 10 is a partial plan view showing another example of the second fastening member.

FIG. 11 is a partial plan view showing another example of the second fastening member.

FIG. 12 is a partial plan view showing another example of the second fastening member.

FIG. 13 is a partial plan view showing a different example of the fixing structure of the first fastening member.

14 is an enlarged perspective view showing a specific example of the fixing structure of FIG.

FIG. 15 is a partial plan view of a shoe showing another embodiment.

FIG. 16 is a perspective view of a conventional example.

[Explanation of symbols]

 1: Shoe 4: Instep cover (upper) 5: Forefoot part 6: Medial part (first metatarsal head) 8: Outer part (fifth metatarsal head) 9: Upper part 10 (1) to 10 (N) ): Tubular insertion hole 13: first fastening member 14: shoe sole 16: second fastening member

Claims (4)

[Claims] 1. A tubular insertion hole is provided at an upper edge of a winding portion covering at least an inner portion and an outer portion of a forefoot portion of an upper, and a non-stretchable first fastening member is provided in the insertion hole. While being inserted along the upper edge, the shoe sole is extended to a side portion behind the forefoot portion, and the first tightening member is pulled by the second tightening member, and the winding portion is directed toward the center of the upper. A shoe tightening structure characterized in that the upper is tightened by pulling, and the sole is drawn to the sole. 2. A tubular insertion hole is provided at the upper edge of the upper part of the upper part which covers at least the inner part of the forefoot part, the tip part and the outer part of the fingertip in the instep, and the non-elastic first tightening part is provided in the insertion hole. Inserting the attachment member along the upper edge of the winding portion to extend to a side portion behind the forefoot portion of the shoe sole, exposing a part of the first fastening member from the insertion hole, The exposed portions of the fastening member facing each other are pulled by a second fastening member at a substantially central portion of the forefoot portion, and the upper portion of the winding is drawn toward the center of the upper, thereby tightening the upper and lowering the sole of the shoe. A shoe tightening structure characterized in that the shoe is configured to be attracted to the shoe. 3. A tubular insertion hole is provided in the upper edge of the upper portion of the upper covering at least the inner portion and the outer portion of the forefoot portion of the upper, and the first non-stretchable fastening member is moved along the upper edge of the upper portion of the upper portion. hand,
From the inside tip of the forefoot part to the inside rear part of the forefoot part, pass through the through hole, from the outside tip part of the forefoot part to the outside rear part of the forefoot part, and further behind the forefoot part of the sole. While extending to the side, a part of the first tightening member is exposed from the insertion hole, and the exposed portions of the first tightening member facing each other are pulled by the second tightening member at a substantially central portion of the forefoot portion. The shoe tightening structure, wherein the upper portion is drawn toward the center of the upper to tighten the upper and to pull the sole to the sole. 4. The shoe fastening structure according to claim 1, wherein the first fastening member is formed in a loop along the upper edge of the winding portion and further along the back side of the shoe sole.