JP2015085134A - Insole of shoe - Google Patents

Insole of shoe Download PDF

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Publication number
JP2015085134A
JP2015085134A JP2013228515A JP2013228515A JP2015085134A JP 2015085134 A JP2015085134 A JP 2015085134A JP 2013228515 A JP2013228515 A JP 2013228515A JP 2013228515 A JP2013228515 A JP 2013228515A JP 2015085134 A JP2015085134 A JP 2015085134A
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Prior art keywords
insole
foot
base
shoe
portion corresponding
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JP2013228515A
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JP6048831B2 (en
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勇人 廣瀬
Hayato Hirose
勇人 廣瀬
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WINNING ONE CO Ltd
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WINNING ONE CO Ltd
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Priority to JP2013228515A priority Critical patent/JP6048831B2/en
Priority to CN201420224579.5U priority patent/CN203969436U/en
Priority to US14/297,746 priority patent/US20150121722A1/en
Publication of JP2015085134A publication Critical patent/JP2015085134A/en
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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/141—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form having an anatomical or curved form
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/003—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined characterised by the material
    • A43B17/006—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined characterised by the material multilayered
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/02—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/142—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the medial arch, i.e. under the navicular or cuneiform bones
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/143—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the lateral arch, i.e. the cuboid bone
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/144—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the heel, i.e. the calcaneus bone
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/1445—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the midfoot, i.e. the second, third or fourth metatarsal

Abstract

PROBLEM TO BE SOLVED: To reduce a load on feet or a body having worn shoes by conditioning balance of a skeleton of the feet.SOLUTION: An insole 1 of a shoe includes: a central projecting part 2 positioned in the middle between a root corresponding portion of the big toe of a foot and a root corresponding portion of the little toe of the foot in a contact face of the foot and rising; and a central recessed part 3 formed on both sides of the central projecting part 2 in the contact face of the foot and extending toward a heel corresponding portion from the root corresponding portion of the big toe or the root corresponding part of the little toe.

Description

本発明は、靴の中敷きに関するものである。   The present invention relates to a shoe insole.

一般的に人が履く靴には体重により大きな負荷がかかることから、歩行や走行時の衝撃緩和性、あるいは装着性等を改善するため、これまでに、例えば以下の特許文献１〜４に示されるような靴の中敷きが種々考案されている。   In general, shoes worn by humans are subjected to a greater load depending on body weight. Therefore, in order to improve impact mitigation or wearing properties during walking or running, for example, the following Patent Documents 1 to 4 have been shown so far. Various insoles have been devised.

特開２００１−２６９２０１号公報JP 2001-269201 A 特開２００５−２０５２０４号公報JP 2005-205204 A 特開２００７−２０２９５９号公報JP 2007-202959 A 特開２０１１−１１０３９７号公報JP 2011-110397 A

上記のように、靴には大きな負荷がかかるが、同時に人の足の関節等へも大きな負荷がかかるため、場合によっては足や身体に痛みやゆがみを生じるという問題があった。   As described above, a large load is applied to shoes, but at the same time, a large load is applied to a joint of a person's foot and the like, there is a problem that pain and distortion occur in the foot and body in some cases.

このことから、例えば歩行、走行する場合等、また、スキー、テニス、ゴルフ、サッカー等いかなる運動をする場合においても、靴を履いた足の骨格のバランスを整えることにより、足や身体に負担をかけないようにするための手段を提供するという課題がある。   For this reason, for example, when walking, running, etc., and when doing any exercise such as skiing, tennis, golf, soccer, etc., by balancing the skeleton of the foot wearing shoes, the burden on the foot and body is reduced. There is a problem of providing means for preventing the application.

本発明は上記課題を解決するためになされたもので、中敷きの足の接触面において、中敷き上に足を置いたとき、足の親指の付け根相当部分と足の小指の付け根相当部分の中間に位置し隆起する凸部と、上記足の接触面において、上記凸部の両側に設けられ、親指の付け根相当部分又は小指の付け根相当部分から踵相当部分に向かって延伸する凹部とを備えた靴の中敷きを提供することにより、靴を履いた際における足の骨格を好ましい位置に配置させることができる。   The present invention has been made to solve the above-mentioned problems, and when the foot is placed on the insole on the contact surface of the insole foot, it is located between the base part corresponding to the base of the thumb and the base part corresponding to the little finger of the foot. A shoe provided with a protruding part that is positioned and raised, and a concave part that is provided on both sides of the protruding part on the contact surface of the foot and extends from a base part corresponding to the base of the thumb or a part corresponding to the base of the little finger toward the part corresponding to the heel By providing the insole, the skeleton of the foot when the shoe is worn can be arranged at a preferred position.

ここで、靴中底と接する靴の中敷きの裏面において、親指の付け根相当部分から小指の付け根相当部分まで足の各指の付け根相当部分を結んでできる曲線に沿って線状凸部をさらに配設し、この線状凸部を目安として切断することにより、中敷きのサイズの調節をすることができる。   Here, on the back side of the insole of the shoe in contact with the shoe insole, a linear convex portion is further arranged along a curve formed by connecting the base part of each foot of the foot from the base part of the thumb to the base part of the little finger. The size of the insole can be adjusted by installing and cutting with the linear protrusions as a guide.

また、靴中底と接する靴の中敷きの裏面において、足の各指の付け根相当部分から踵相当部分までを覆うように装着される硬質の支持手段をさらに備え、該支持手段は、親指の付け根相当部分から踵相当部分の間において設けられ、中敷きを構成する材料で中敷きと一体的に充填される第１の空隙部と、小指の付け根相当部分から踵相当部分の間において設けられ、材料で中敷きと一体的に充填される第１の空隙部より面積の小さい第２の空隙部とを有する靴の中敷きを提供することによって、本中敷きを装着した足の両側面に柔軟性を持たせつつ、該両側面の強度を高めることができる。   In addition, on the back surface of the insole of the shoe that is in contact with the shoe insole, it further comprises a rigid support means that is mounted so as to cover from the base part corresponding to the base of each foot to the part corresponding to the heel, the support means comprising the base of the thumb A first gap portion provided between the corresponding portion and the heel equivalent portion, and integrally filled with the insole with the material constituting the insole; and provided between the lower finger base equivalent portion and the heel equivalent portion, By providing a shoe insole having a second gap portion having a smaller area than the first gap portion that is integrally filled with the insole, while providing flexibility to both sides of the foot wearing the book insole The strength of both side surfaces can be increased.

ここで、例えば、上記第１の空隙部は複数の孔で構成し、上記第２の空隙部は、上記孔の数より少ない数の孔で構成することができる。   Here, for example, the first gap portion may be constituted by a plurality of holes, and the second gap portion may be constituted by a smaller number of holes than the number of the holes.

本発明によれば、本発明に係る中敷きを敷いた靴を履いた場合、足の骨格を好ましい位置に配置でき、歩行や走行、運動時などにおける足や身体への負担を一層軽減することができる。   According to the present invention, when wearing the insole shoes according to the present invention, the skeleton of the foot can be placed at a preferred position, and the burden on the foot and body during walking, running, exercise, etc. can be further reduced. it can.

本発明の実施の形態に係る靴の中敷き１の表面（足の接触面）における構成を示す平面図である。It is a top view which shows the structure in the surface (foot contact surface) of the insole 1 of shoes which concerns on embodiment of this invention. 図１に示されたA−A線において靴の中敷き１を切断したときの構造を示す断面図である。It is sectional drawing which shows a structure when the insole 1 of shoes is cut | disconnected in the AA line shown by FIG. 図１に示された靴の中敷き１の裏面（靴中底に接する面）における構成を示す平面図である。It is a top view which shows the structure in the back surface (surface which contacts a shoe insole) of the insole 1 shown in FIG. 図１に示された靴の中敷き１を側面１ａ側から見たときの構成を示す側面図である。It is a side view which shows a structure when the insole 1 shown in FIG. 1 is seen from the side surface 1a side. 図１に示された靴の中敷き１の機能を説明するために人の足及びその骨格を示した図である。It is the figure which showed a person's leg | foot and its frame | skeleton in order to demonstrate the function of the insole 1 shown in FIG.

以下において、本発明の実施の形態に係る靴の中敷きについて図を用いて詳しく説明する。なお、図中同一符号は同一又は相等部分を示す。   Hereinafter, the insole of a shoe according to an embodiment of the present invention will be described in detail with reference to the drawings. In the drawings, the same reference numerals indicate the same or equivalent parts.

図１は、本発明の実施の形態に係る靴の中敷き１の表面（足が接触する面。以下同様）における構成を示す平面図である。図１に示されるように、靴の中敷き１は、靴の中底に敷かれるものであるため人の足形を有し、靴を履いた際の足が接触するその表面には中央凸部２と中央凹部３、踵凹部４、及び空孔部５が形成される。   FIG. 1 is a plan view showing the configuration of the surface of a shoe insole 1 according to an embodiment of the present invention (a surface with which a foot comes into contact; the same applies hereinafter). As shown in FIG. 1, the insole 1 of the shoe has a human foot shape because it is laid on the insole of the shoe, and a central convex portion 2 is formed on the surface where the foot contacts when the shoe is worn. And the central recess 3, the collar recess 4, and the hole 5 are formed.

ここで、靴の中敷き１は、例えばゴムや合成樹脂等により成型され、好ましくはエチレン酢酸ビニル共重合体（ＥＶＡ）等の軟質合成樹脂により成型される。なお、ＥＶＡ素材は軽量性や柔軟性に優れ、衝撃を吸収する素材であり、また耐水性や耐熱性、撥水性にも優れ、マイナス７０℃から７０℃で使用することができ、低温でも弾力性及び安定性を維持するものである。   Here, the insole 1 of shoes is shape | molded, for example with rubber | gum, a synthetic resin, etc., Preferably it shape | molds with soft synthetic resins, such as an ethylene vinyl acetate copolymer (EVA). EVA material is lightweight and flexible, absorbs shocks, has excellent water resistance, heat resistance, and water repellency, can be used at minus 70 ° C to 70 ° C, and is elastic even at low temperatures. Maintain stability and stability.

中央凸部２は、なだらかに隆起した部分であるが、足の接触面において、足の親指の付け根相当部分と足の小指の付け根相当部分の中間に位置し、靴の中敷き１の中央部に形成される。   The central convex portion 2 is a gently raised portion, but is located in the middle of the shoe insole 1 on the contact surface of the foot, located between the base portion corresponding to the base of the thumb and the base portion of the little finger. It is formed.

また、中央凹部３は、上記接触面において、中央凸部２に沿ってその両側に凹設される。すなわち、中央凹部３は、親指の付け根相当部分又は小指の付け根相当部分から踵相当部分に向かって延伸するように靴の中敷き１の中央凸部２脇に形成される。   Moreover, the center recessed part 3 is recessedly provided in the both sides along the center convex part 2 in the said contact surface. That is, the central recessed portion 3 is formed on the side of the central convex portion 2 of the insole 1 of the shoe so as to extend from the portion corresponding to the base of the thumb or the portion corresponding to the base of the little finger toward the portion corresponding to the heel.

また、踵凹部４は、上記接触面において、靴を履いた際に足の踵が位置する部分に形成される凹部である。この踵凹部４は踵をしっかり包み込み、体重により広がった踵の脂肪層を寄せ集めて地面からの衝撃を和らげる機能を有するものである。   Further, the heel recess 4 is a recess formed in a portion of the contact surface where the heel of the foot is located when a shoe is worn. The heel recess 4 has a function of tightly wrapping the heel and gathering together the fat layers of the heel that have spread due to body weight to reduce the impact from the ground.

また、空孔部５は、靴と靴の中敷き１との間における通気を確保するための穿孔であり、中敷き１の足指付け根相当部分から爪先相当部分に複数設けられる。ここで、空孔部５が設けられる位置は、足の親指相当部分と足の親指の付け根相当部分と足の小指の付け根相当部分を除いた位置とされる。なお、足の親指相当部分と足の親指の付け根相当部分と足の小指の付け根相当部分が位置する部分を除く理由は、歩行や蹴り出しのときに一番力がかかる部分であり、これらの場所で違和感が生じないようにすると共に、足が地面を蹴る力を分散させないようにするためである。   The hole 5 is a perforation for ensuring ventilation between the shoe and the insole 1 of the shoe, and a plurality of holes 5 are provided from a portion corresponding to the toe of the insole 1 to a portion corresponding to the toe. Here, the position where the hole portion 5 is provided is a position excluding a portion corresponding to the thumb of the foot, a portion corresponding to the base of the big toe, and a portion corresponding to the base of the little finger of the foot. The reason for excluding the part where the big toe part, the big part of the big toe part, and the little part of the big toe part are located is the part where the most force is applied when walking or kicking. This is to prevent a sense of incongruity from occurring in a place and to prevent the foot from kicking the ground.

図２は、図１に示されたA−A線において靴の中敷き１を切断したときの構造を示す断面図である。図２に示されるように、靴の中敷き１は、足を包み込むように両側面１ａ，１ｂが形成され、足の親指側（以下、「内側」ともいう）の側面１ａは足の小指側（以下、「外側」ともいう）の側面１ｂより高く形成される。   FIG. 2 is a cross-sectional view showing the structure when the insole 1 of the shoe is cut along the line AA shown in FIG. As shown in FIG. 2, the insole 1 of the shoe is formed with both side surfaces 1a and 1b so as to wrap the foot, and the side surface 1a on the thumb side (hereinafter also referred to as "inside") is on the little toe side ( Hereinafter, it is formed higher than the side surface 1b.

また、靴の中敷き１の表面には、内側及び外側の側面１ａ，１ｂに添って凹設する中央凹部３が形成され、上記表面の中央部分で両中央凹部３に挟まれた中央部分に凸設する中央凸部２が形成される。   Further, a central recess 3 is formed on the surface of the insole 1 of the shoe so as to be recessed along the inner and outer side surfaces 1a and 1b. The central portion of the surface protrudes from the central portion sandwiched between the central recesses 3. The central convex part 2 to be provided is formed.

このような構成により、図５の曲線ＡＲ１で示される足幅方向の骨格の並びを好ましい位置に保つと共に、中央凹部３が親指付け根及び小指付け根から踵部分に向って伸びる腱の動きを容易なものとすることができる。さらに、側面１ａ，１ｂが足の内側及び外側を側面からしっかり支持することになるため、足を前に運ぶ運動において足の骨格を安定させ、靴との間で生じ得るエネルギー損失を低減することができる。   With such a configuration, the arrangement of the skeletons in the foot width direction indicated by the curve AR1 in FIG. 5 is maintained at a preferable position, and the central recess 3 facilitates the movement of the tendon extending from the thumb root and the little finger root toward the heel portion. Can be. Furthermore, since the side surfaces 1a and 1b firmly support the inside and outside of the foot from the side, the foot skeleton is stabilized in the movement of carrying the foot forward, and the energy loss that can occur between the shoe and the shoe is reduced. Can do.

そして、靴の中底に接する靴の中敷き１の裏面（以後単に裏面と言う）には、硬質カップ１０が装着される。ここで、硬質カップ１０は例えば熱可塑性ポリウレタン（ＴＰＵ）等の硬質樹脂（例えば、樹脂の硬度は約８５度）により成型される。   A hard cup 10 is attached to the back surface (hereinafter simply referred to as the back surface) of the shoe insole 1 in contact with the shoe sole. Here, the hard cup 10 is formed of a hard resin (for example, the resin has a hardness of about 85 degrees) such as thermoplastic polyurethane (TPU).

なお、靴の中敷き１がＥＶＡ素材からなる場合には、ＴＰＵにより成型された硬質カップ１０は１３０トン〜１５０トンの圧力で靴の中敷き１に圧着される。   When the shoe insole 1 is made of EVA material, the hard cup 10 molded by TPU is pressure-bonded to the shoe insole 1 with a pressure of 130 to 150 tons.

図３は、図１に示された靴の中敷き１の裏面における構成を示す平面図である。図３に示されるように、靴の中敷き１の裏面には、靴を履いた際における足の親指の付け根相当部分から小指の付け根相当部分まで足の各指の付け根相当部分を結んでできる曲線に沿って凸設された線状凸部８が靴の中敷き１の一部として一体的に形成される。   FIG. 3 is a plan view showing the configuration of the back surface of the insole 1 shown in FIG. As shown in FIG. 3, the back surface of the insole 1 of the shoe is a curve formed by connecting a portion corresponding to the base of each foot of the foot from the portion corresponding to the base of the big toe to the portion corresponding to the base of the little finger when the shoe is worn. Are formed integrally as a part of the insole 1 of the shoe.

なお、図３においては、一例として中央部分で切れ目を有する三本の線状凸部８が示されるが、線状凸部８の本数や切れ目の数、あるいは線の間隔は種々のものが考えられ、切れ目はなくても良い。   In FIG. 3, three linear convex portions 8 having a cut at the central portion are shown as an example. However, the number of linear convex portions 8, the number of cuts, or the interval between the lines may be various. It is not necessary to have a break.

そして、このような靴の中敷き１の裏面に形成される線状凸部８に沿って中敷き１を切断すると、中敷き１は長さ方向に爪先部分を欠いた形状となる。これにより、中敷き1は装着する靴が先端を細くしたデザインの場合などにも使用することができる。   Then, when the insole 1 is cut along the linear protrusions 8 formed on the back surface of such an insole 1, the insole 1 has a shape lacking the toe portion in the length direction. As a result, the insole 1 can also be used in the case where the shoe to be worn has a design with a thin tip.

また、靴の中敷き１の裏面には上記のように、足の各指の付け根相当部分から踵相当部分までを覆うように装着される硬質カップ１０が装着される。   Further, as described above, the hard cup 10 is mounted on the back surface of the insole 1 of the shoe so as to cover the portion corresponding to the base of each foot of the foot to the portion corresponding to the heel.

ここで、硬質カップ１０は、図３に示されるように、足の外側（側面１ｂ側）よりも内側（側面１ａ側）の長さが長くなるように形成される。   Here, as shown in FIG. 3, the hard cup 10 is formed such that the inner side (side 1a side) is longer than the outside (side 1b side) of the foot.

また、硬質カップ１０には、足の親指の付け根相当部分から踵相当部分の間において設けられ、靴の中敷き１を構成する材料で靴の中敷き１と一体的に充填される第１の空隙部と、小指の付け根相当部分から踵相当部分の間において設けられ、上記材料で靴の中敷き１と一体的に充填され上記第１の空隙部より面積の小さい第２の空隙部とが形成される。   In addition, the hard cup 10 is provided between the base part corresponding to the base of the toe and the part corresponding to the heel, and is filled with the insole 1 with the material constituting the insole 1. And a second gap portion which is provided between the base portion corresponding to the little finger and the portion corresponding to the heel and is integrally filled with the insole 1 of the shoe with the material and has a smaller area than the first gap portion. .

このような構成によれば、足の内側面及び外側面に柔軟性を持たせつつ両側面のサポート力を高めることができる。さらに、硬質カップ１０による足裏のサポートを維持しながら側面による足への圧迫を少なくすることができ、硬質カップ１０による足骨格の支持及び足のスムーズな動きを維持することができる。   According to such a configuration, it is possible to increase the support force on both side surfaces while giving flexibility to the inner side surface and the outer side surface of the foot. Furthermore, the pressure on the foot by the side surface can be reduced while maintaining the sole support by the hard cup 10, and the foot skeleton can be supported by the hard cup 10 and the smooth movement of the foot can be maintained.

ここで、上記第１及び第２の空隙部は、孔あるいはスリット形状が考えられる。例えば、形状が一定の大きさの孔の場合、第１の空隙部は複数の孔からなり、第２の空隙部は上記孔の数より少ない数の孔からなる実施形態が考えられる。そして、図３においては一例として、第１の空隙部は４つの衝撃拡散孔６から構成され、第２の空隙部は３つの衝撃拡散孔６から構成される。   Here, the first and second gaps may be holes or slits. For example, in the case of a hole having a constant shape, an embodiment in which the first gap portion includes a plurality of holes and the second gap portion includes a smaller number of holes than the above-described number of holes is conceivable. In FIG. 3, as an example, the first gap portion is constituted by four impact diffusion holes 6, and the second gap portion is constituted by three impact diffusion holes 6.

また、硬質カップ１０には、足の踵部に形成され靴の中敷き１を構成する材料で靴の中敷き１と一体的に充填された踵孔部７が設けられる。   Further, the hard cup 10 is provided with a fistula portion 7 that is formed integrally with the shoe insole 1 with a material that forms the shoe insole 1 and is formed on the heel portion of the foot.

硬質カップ１０に上記のような衝撃拡散孔６や踵孔部７が設けられることにより、硬質カップ１０に柔軟性が生じるため、着地時に受ける衝撃を適度に分散させることができ、同時に足裏の安定性を保つことができる。   Since the hard cup 10 is provided with the impact diffusion hole 6 and the fistula part 7 as described above, the hard cup 10 has flexibility, so that the impact received at the time of landing can be appropriately dispersed, and at the same time the sole Stability can be maintained.

さらに、硬質カップ１０は、親指又は小指の付け根相当部分から踵相当部分へ延伸し、上記第１又は第２の空隙部の中央側で隣接するよう配置され、硬質カップ１０を構成する材料により硬質カップ１０と一体的に靴と接する側に凸設されるバランサー１１を有する。   Furthermore, the hard cup 10 extends from the base equivalent part of the thumb or little finger to the heel equivalent part, and is disposed adjacent to the center side of the first or second gap, and is hardened by the material constituting the hard cup 10. A balancer 11 is provided on the side that comes into contact with the shoe integrally with the cup 10.

そして、かかるバランサー１１により、硬質カップ１０の強度が高められると共に適度な弾力性が実現されるため、着地等の衝撃により変形した硬質カップ１０にバネのような機能を発揮させることによって、足が地面を蹴り出す力を生むことができる。   The balancer 11 increases the strength of the hard cup 10 and achieves an appropriate elasticity, so that the hard cup 10 deformed by an impact such as landing can exert a spring-like function so that the foot The ability to kick the ground can be created.

図４は、図１に示された靴の中敷き１を側面から見たときの構成を示す側面図である。図４に示されるように、靴の中敷き１の裏面には上記のように一体的に足幅方向に形成され切断線とし得る線状凸部８が設けられる。   FIG. 4 is a side view showing a configuration when the insole 1 shown in FIG. 1 is viewed from the side. As shown in FIG. 4, the back surface of the shoe insole 1 is provided with a linear protrusion 8 that is integrally formed in the foot width direction as described above and can be used as a cutting line.

また、底面に装着された硬質カップ１０は足の土踏まずの部分１２が反り上がるように形成され、かかる部分１２に上記のような凸状のバランサー１１が設けられる。   Further, the hard cup 10 mounted on the bottom surface is formed so that the arch portion 12 of the foot is warped, and the convex balancer 11 as described above is provided on the portion 12.

このように、土踏まずの部分を反らせて足裏の形状にフィットさせ、靴の中に隙間を生じさせないことによって、足がぶれにくくなり安定するので、快適な歩行や走行を実現することができる。   In this way, the arch portion is bent to fit the shape of the sole and no gap is created in the shoe, so that the foot is less likely to be shaken and stabilized, so that comfortable walking and running can be realized.

以上より、本発明の実施の形態に係る靴の中敷き１によれば、足の接触面において、足の親指の付け根相当部分と小指の付け根相当部分の間になだらかに隆起する中央凸部２が形成されることにより、図５の曲線ＡＲ１で示される足幅方向の骨格の並びを好ましい位置に配置させることができるため、親指側の曲線ＡＲ２及び小指側の曲線ＡＲ３に沿った方向においても足の骨の隙間がバランスよく配列され、結果として靴を履いた際の足全体の骨格を適正に整える（組む）ことができる。   As described above, according to the insole 1 of the shoe according to the embodiment of the present invention, the central convex portion 2 that gently rises between the base portion corresponding to the thumb and the base portion corresponding to the little finger on the contact surface of the foot. By forming the skeleton, the arrangement of the skeletons in the foot width direction indicated by the curve AR1 in FIG. 5 can be arranged at a preferable position. Therefore, the feet can be arranged in the direction along the curve AR2 on the thumb side and the curve AR3 on the little finger side. As a result, the skeleton of the entire foot when wearing shoes can be properly arranged (assembled).

このことにより、靴を履いた際における足の筋肉の働きが正常化され、足の本来の機能である安定性や衝撃吸収性、蹴り出す力を発揮させることができ、その結果として前後左右の動きのコントロール性が高められるため、足の負担を従来よりも一層軽減することができる。   This normalizes the function of the muscles of the foot when wearing shoes, and can demonstrate the stability, shock absorption and kicking power, which are the original functions of the foot, and as a result, the front and rear, left and right Since the controllability of the movement is improved, the burden on the foot can be further reduced than before.

また、上記足の接触面において、中央凸部２の両側で親指の付け根相当部分又は小指の付け根相当部分から踵相当部分に延伸する中央凹部３が形成されるため、足の親指及び小指の付け根から踵に向かう足裏の腱のスムーズな動きも実現することができ、かかる点でも足への負担を軽減することができる。   Further, on the contact surface of the foot, since the central concave portion 3 extending from the base portion corresponding to the thumb base or the base portion corresponding to the little finger to the heel corresponding portion is formed on both sides of the central convex portion 2, the base of the thumb and the little finger is formed. Smooth movement of the sole of the foot toward the heel can be realized, and the burden on the foot can be reduced in this respect.

また、中敷き１を装着する靴のデザインにより中敷き１全体が挿入できない先細の靴、あるいはサイズの小さい靴などの場合、中敷き１の裏面の線状凸部８から切断して使用することができる。この切断した中敷きは各指の付け根部分から踵部を支持するので、足への負担軽減効果を満足できる。   Further, in the case of a tapered shoe in which the entire insole 1 cannot be inserted due to the design of the shoe to which the insole 1 is attached, or a shoe having a small size, it can be used by being cut from the linear convex portion 8 on the back surface of the insole 1. Since the cut insole supports the buttock from the base of each finger, the effect of reducing the burden on the foot can be satisfied.

また、硬質カップ１０において上記のように足の外側及び内側に空隙部を形成することによって、足の両側面における柔軟性を担保して足への圧迫を少なくすると共に、硬質カップ１０による足の裏部および両側での支持力を維持することができるため、靴の中敷き１の装着感を改善しつつ硬質カップ１０による上記及び以下の効果を得ることができる。   Further, by forming the gaps on the outside and inside of the foot in the hard cup 10 as described above, the flexibility on both sides of the foot is ensured and the pressure on the foot is reduced. Since the supporting force at the back and both sides can be maintained, the above and the following effects by the hard cup 10 can be obtained while improving the wearing feeling of the insole 1 of the shoe.

硬質カップ１０は、上記のように靴の中敷き１の材料に比して強度の大きな熱可塑性ポリウレタン（ＴＰＵ）等で成型されているため、図５に示された第５中足骨Ｂ１の後部にある突起を点ではなく面で支えることによってかかる突起への負荷を分散し、足の内側の曲線ＡＲ２に沿った骨格だけでなく外側の曲線ＡＲ３に沿った骨格も柔軟にしっかりと支持することができる。これより、人の体の左右方向のスムーズな体軸移動が実現される。   Since the hard cup 10 is formed of thermoplastic polyurethane (TPU) or the like having a strength higher than that of the material of the insole 1 of the shoe as described above, the rear part of the fifth metatarsal bone B1 shown in FIG. Distributing the load on the protrusions by supporting the protrusions on the surface with a surface instead of a point, and flexibly and firmly supporting not only the skeleton along the curve AR2 on the inside of the foot but also the skeleton along the curve AR3 on the outside Can do. Thus, smooth body axis movement in the left-right direction of the human body is realized.

また、硬質カップ１０は、図５に示された踵骨Ｂ２にある突起を踵孔部７等で支持することにより、踵のぐらつきを抑え、曲線ＡＲ１，ＡＲ２，ＡＲ３に沿った骨格を最適に整える（組む）ことができるため、靴を履いた足を安定させることができ、着地時に生じ得る足のぶれもなくすことができる。   Further, the hard cup 10 supports the protrusion on the rib B2 shown in FIG. 5 with the fistula 7 or the like, thereby suppressing wobble of the wrinkle and optimizing the skeleton along the curves AR1, AR2, AR3. Since it can be arranged (assembled), the foot on which the shoe is worn can be stabilized, and the shaking of the foot that may occur at the time of landing can be eliminated.

１ 靴の中敷き、２ 中央凸部、３ 中央凹部、６ 衝撃拡散孔、８ 線状凸部。 DESCRIPTION OF SYMBOLS 1 Insole of shoes, 2 center convex part, 3 center recessed part, 6 impact diffusion hole, 8 linear convex part.

Claims (4)

足の接触面において、前記足の親指の付け根相当部分と前記足の小指の付け根相当部分の中間に位置し、隆起する凸部と、
前記足の接触面において、前記凸部の両側に設けられ、前記親指の付け根相当部分又は前記小指の付け根相当部分から前記踵相当部分に向かって延伸する凹部とを備えた靴の中敷き。 On the contact surface of the foot, a raised convex part located between the base part corresponding to the base of the thumb of the foot and the part corresponding to the base of the little finger of the foot,
A shoe insole provided on both sides of the convex portion on the contact surface of the foot and having a concave portion extending from the base portion corresponding to the thumb or the base portion corresponding to the little finger toward the heel corresponding portion. 靴の中底と接する前記靴の中敷きの裏面において、前記親指の付け根相当部分から前記小指の付け根相当部分まで前記足の各指の付け根相当部分を結んでできる曲線に沿って形成された線状凸部をさらに備えた請求項１に記載の靴の中敷き。   On the back surface of the insole of the shoe in contact with the insole of the shoe, a linear shape formed along a curve formed by connecting a portion corresponding to the base of each foot of the foot from a portion corresponding to the base of the thumb to a portion corresponding to the base of the little finger The insole for shoes according to claim 1, further comprising a convex portion. 靴の中底と接する前記靴の中敷きの裏面において、前記足の各指の付け根相当部分から前記踵相当部分までを覆うように装着される硬質の支持手段をさらに備え、前記支持手段は、
前記親指の付け根相当部分から前記踵相当部分の間において設けられ、前記中敷きを構成する材料で前記中敷きと一体的に充填される第１の空隙部と、
前記小指の付け根相当部分から前記踵相当部分の間において設けられ、前記材料で前記中敷きと一体的に充填される前記第１の空隙部より面積の小さい第２の空隙部とを有する請求項１に記載の靴の中敷き。 Hard support means mounted so as to cover from the base equivalent part of each foot of the foot to the heel equivalent part on the back of the insole of the shoe in contact with the insole of the shoe, the support means,
A first gap that is provided between a portion corresponding to the base of the thumb and the portion corresponding to the heel, and is integrally filled with the insole with a material constituting the insole;
2. A second gap portion that is provided between a portion corresponding to the base of the little finger and the portion corresponding to the heel and has a smaller area than the first gap portion that is integrally filled with the insole with the material. Insole for shoes described in 1. 前記第１の空隙部は、複数の孔からなり、
前記第２の空隙部は、前記孔の数より少ない数の孔からなる請求項３に記載の靴の中敷き。 The first gap portion includes a plurality of holes,
The insole for shoes according to claim 3, wherein the second gap portion includes a smaller number of holes than the number of the holes.
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