JPH067204A - Insole for shoes - Google Patents
Insole for shoesInfo
- Publication number
- JPH067204A JPH067204A JP4170487A JP17048792A JPH067204A JP H067204 A JPH067204 A JP H067204A JP 4170487 A JP4170487 A JP 4170487A JP 17048792 A JP17048792 A JP 17048792A JP H067204 A JPH067204 A JP H067204A
- Authority
- JP
- Japan
- Prior art keywords
- insole
- hole
- toe
- metatarsophalangeal joint
- foot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、靴用中底に関し、詳し
くは、靴履用者の歩行時に、足の母指の中足指関節部に
大きな衝撃が作用するのを確実に防止することができる
靴用中底に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an insole for shoes, and more specifically, it reliably prevents a large impact from acting on the middle toe joint of the toe of a foot when a shoe wearer walks. The present invention relates to a shoe insole that can be used.
【０００２】[0002]
【従来の技術】先ず、従来の靴用中底の説明に先立っ
て、図３及び図４に基づき背景技術として靴履用者の足
の骨格構造についての概略を説明する。図３及び図４に
おいて、（１）は第１中足骨頭（２）を含む母指の球関
節である中足指節関節部で、この中足指節関節部（１）
の底面部には種子骨（３）（３）が下方に向って突出し
ている。（４）は内側縦足弓、（５）は中側骨頭と中側
骨底、（６）は末節骨、（７）は中節骨、（８）は基節
骨、（９）は外側縦足弓、（１０）は内側楔状骨、（１
１）は中間楔状骨、（１２）は外側楔状骨、（１３）は
茎状突起、（１４）は立方骨、（１５）は舟状骨、（１
６）は距骨頭、（１７）は踵骨を示す。2. Description of the Related Art First of all, prior to the description of a conventional shoe insole, a skeleton structure of a foot of a shoe wearer will be described as a background art with reference to FIGS. In FIGS. 3 and 4, (1) is a metatarsophalangeal joint that is a ball joint of the thumb including the first metatarsal head (2).
Seed bones (3) and (3) project downward on the bottom surface of the. (4) is the medial longitudinal arch, (5) is the medial head and medial floor, (6) is the distal phalanx, (7) is the medial phalanx, (8) is the proximal phalanx, and (9) is the lateral Longitudinal arch, (10) medial wedge, (1
(1) is an intermediate wedge, (12) is an outer wedge, (13) is a pedicle, (14) is a cuboid bone, (15) is a scaphoid bone, (1
6) shows the talus head and (17) shows the calcaneus.
【０００３】そうして、靴履用者の歩行のメカニズムに
関して記述した文献“軟部組織の痛みと機能障害”（南
カリフォルニア大Rene Cailliet 著、荻島秀夫訳、医師
薬出版株式会社、昭和54年11月10日発行）にも記載され
ているように、靴履用者の歩行時、着地足の踏み切り時
点で、足の母指の中足指節関節部（１）を構成する第１
中足骨頭（２）には履用者の全体重の約６分の５が負荷
される。すなわち、履用者の歩行時には、進行方向に向
って内側に位置する母指の中足指節関節部（１）に重心
がかかる。[0003] Thus, the document "Pain and Dysfunction of Soft Tissues" describing the walking mechanism of shoe wearers (Rene Cailliet, University of Southern California, translated by Hideo Ogishima, Physic Drug Publishing Co., Ltd., 1979, 11) (Issued on October 10th), the first part of the metatarsophalangeal joint part (1) of the toe of the toe is formed at the time of walking of the shoe wearer and at the time of taking off of the landing foot.
The metatarsal head (2) is loaded with about 5/6 of the total weight of the wearer. That is, when the wearer walks, the center of gravity is applied to the metatarsophalangeal joint (1) of the toe located inside in the traveling direction.
【０００４】そこで、本出願人は、特公平4-20608号公
報において、足の母指の中足指節関節部（１）に履用者
の体重が集中的に負荷されるのを防止するための負荷分
散手段を備えた靴用中底を提案した。この提案に係る靴
用中底（２１）は、図５に示すように、靴履用者の踵部
から足先部に向って延びる中底主体（２２）のうち、履
用者の母指の中足指節関節部（１）が当たる部分に、体
重の集中的な負荷を防止するための貫通孔（２３）を形
成し、かつ、貫通孔（２３）を含む中底主体（２２）の
下面に接着剤等の接合手段を利用して補強板（２４）を
固着して一体構造としたものである。この中底（２１）
を甲皮及び踵部から足先部に向って延びる接地底（何れ
も図示省略）の間に釣り込み成型し、上記接地底上に中
底（２１）を重ね合わせた状態で接合してヒール・シュ
ーズを形成する。しかる後、靴型を抜き取った後、中底
主体（２２）の上面に、上記貫通孔（２３）内に嵌まり
込む凹部（２５）をくせ付け成形した皮革製の中敷（２
６）を張り付ける。Therefore, the applicant of the present invention discloses in Japanese Patent Publication No. 4-20608 that the weight of the wearer is not intensively applied to the metatarsophalangeal joint (1) of the toe of the foot. We proposed an insole for shoes equipped with a load balancing means. As shown in FIG. 5, the shoe insole (21) according to this proposal is, among the insole main body (22) extending from the heel of the shoe wearer toward the toes, the thumb of the wearer. A through hole (23) for preventing a concentrated load of weight is formed in a portion where the metatarsophalangeal joint part (1) hits, and a midsole main body (22) including the through hole (23) The reinforcing plate (24) is fixed to the lower surface of the above using a bonding means such as an adhesive to form an integral structure. This insole (21)
Is molded between the instep and the grounding bottom (all not shown) extending from the heel to the toes, and the middle sole (21) is joined to the grounding bottom to join the heel and Form shoes. Then, after removing the shoe mold, a leather insole (2) is formed by fitting a recess (25) into the through hole (23) on the upper surface of the insole main body (22).
Attach 6).
【０００５】上記貫通孔（２３）を設けた中底主体（２
２）を使用すると、母指の中足指節関節部（１）の足底
部は、立脚時には比較的小さな押し込み負荷の作用下に
貫通孔（２３）内に受入れられ、また、歩行踏み切り時
には立脚時よりも稍大きな押し込み負荷の作用下に貫通
孔（２３）内に受入れられる。その結果、体重負荷が母
指の中足指節関節部（１）の周辺部に分散し、歩行踏み
切り時における中足指節関節部（１）の第１中足骨頭
（２）への体重の集中的負荷が緩和される。Main body (2) provided with the through hole (23)
When 2) is used, the sole of the metatarsophalangeal joint (1) of the thumb is received in the through hole (23) under the action of a comparatively small pushing load when standing, and when standing on the ground, the standing foot is used. It is received in the through hole (23) under the action of a pushing load which is slightly larger than the time. As a result, the weight load is distributed around the metatarsophalangeal joint (1) of the thumb, and the weight of the metatarsophalangeal joint (1) on the first metatarsal head (2) at the time of walking crossing. The intensive load of is eased.
【０００６】[0006]
【発明が解決しようとする課題】従来の靴用中底（２
１）によれば、歩行踏み切り時における第１中足骨頭
（２）への体重の集中的負荷が緩和されるが、中底主体
（２２）の貫通孔（２３）内に受入れられた中足指節関
節部（１）の足底部、特に、下方に突出した種子骨
（３）（３）が、補強板（２４）を介して靴の接地底に
直接当たるため、歩行時等に大きな衝撃を受ける。この
ため上記種子骨（３）（３）が歩行時等の衝撃によって
側方にずれ、外反母趾等の機能障害や足部疾患が発生す
るおそれがある。その結果、歩行時等に、母指の中足指
節関節部（１）に重心をかけることが困難となり、重心
が外足縦足弓（９）側にかかって、安定歩行ができず、
歩行姿勢が非常に悪くなるという問題があった。[Problems to be Solved by the Invention] Conventional insoles for shoes (2
According to 1), the concentrated load of the body weight on the first metatarsal head (2) at the time of walking crossing is alleviated, but the middle foot received in the through hole (23) of the insole mainly (22). Since the plantar part of the phalangeal joint (1), especially the seed bones (3) and (3) protruding downward, directly contact the ground contact sole of the shoe through the reinforcing plate (24), a great impact is caused when walking. Receive. For this reason, the seed bones (3) and (3) may be laterally displaced by an impact during walking or the like, which may cause a functional disorder such as hallux valgus and a foot disease. As a result, it becomes difficult to place a center of gravity on the metatarsophalangeal joint (1) of the thumb during walking, etc., and the center of gravity is applied to the outer foot longitudinal foot arch (9) side, which prevents stable walking,
There was a problem that the walking posture became very bad.
【０００７】また、上記補強板（２４）は、中底主体
（２２）の貫通孔（２３）の部分まで固着してあるの
で、母指の中足指節関節部（１）の屈曲及び伸展の自由
度小さくなり、歩き難いという問題があった。Further, since the reinforcing plate (24) is fixed to the through hole (23) of the insole main body (22) as well, the bending and extension of the metatarsophalangeal joint (1) of the toe. There was a problem that the degree of freedom was reduced and it was difficult to walk.
【０００８】本発明は、上記問題点に鑑み提案したもの
で、足の母指の中足指節関節部の足底部、特に、下方に
突出した種子骨が、歩行時等に衝撃を受けることがな
く、外反母趾等の機能障害や足部疾患が発生するのを確
実に防止することができる靴用中底を提供することを目
的としている。The present invention has been proposed in view of the above problems, and the soles of the metatarsophalangeal joints of the toes of the toes, in particular, the seed bones protruding downward are subject to impact during walking. It is an object of the present invention to provide an insole for shoes, which is capable of reliably preventing functional disorders such as hallux valgus and foot diseases from occurring.
【０００９】[0009]
【課題を解決するための手段】本発明は、上記目的を達
成するため、靴の踵部から足先部に向って延びる接地底
上に重ね合わせた状態で接合される中底であって、履用
者の母指の中足指節関節部が当たる部分に、中足指節関
節部の足底部を受入れ可能な貫通孔を形成し、かつ、貫
通孔に所定厚みのクッション材を嵌着したものである。In order to achieve the above object, the present invention provides an insole which is joined in a superposed state on a grounded sole extending from the heel of the shoe toward the tip of the foot, A through hole that can receive the sole of the metatarsophalangeal joint is formed in the part where the metatarsophalangeal joint of the wearer's toe touches, and a cushion material with a specified thickness is fitted into the through hole. It was done.
【００１０】[0010]
【作用】中底の貫通孔に所定厚みのクッション材を設け
たので、上記貫通孔に受入れられた母指の中足指節関節
部の足底部、特に、下方に突出した種子骨が、クッショ
ン材で弾性的に支持され、歩行時等に種子骨に作用する
衝撃が吸収される。したがって、歩行時等に、歩行者の
進行方向に向って内側に位置する母指の中足指節関節部
に重心をかけて歩行しても、母指の中足指節関節部、特
に、下方に突出した種子骨が、大きな衝撃を受けること
がない。Since the cushion material having a predetermined thickness is provided in the through hole of the insole, the foot sole portion of the metatarsophalangeal joint of the thumb received in the through hole, particularly the seed bone protruding downward, is cushioned. It is elastically supported by the material, and the impact that acts on the seed bone during walking is absorbed. Therefore, at the time of walking or the like, even when the center of gravity of the metatarsophalangeal joint part of the toe located inside the pedestrian's moving direction is put on the center of gravity, the metatarsophalangeal joint part of the toe, particularly, The downwardly projecting seed bone is not subject to a large impact.
【００１１】[0011]
【実施例】以下本発明に係る靴用中底の実施例を図１及
び図２を参照しながら説明すると次の通りである。EXAMPLE An example of an insole for shoes according to the present invention will be described below with reference to FIGS. 1 and 2.
【００１２】図１及び図２において、（３１）は皮革製
あるいは合成皮革製の中敷、（３２）は一体構造の中底
で、この中底（３２）は、靴履用者の踵部から足先部に
向って延びる中底主体（３３）と補強板（３４）とから
構成されている。In FIGS. 1 and 2, (31) is an insole made of leather or synthetic leather, (32) is an insole of an integral structure, and this insole (32) is the heel part of a shoe wearer. It is composed of an insole main body (33) extending from to the toe and a reinforcing plate (34).
【００１３】上記中底主体（３３）のうち、履用者の母
指の中足指節関節部（１）が当たる部分に、体重の集中
的な負荷を防止するための円形の貫通孔（３５）を形成
してある。貫通孔（３５）の形状としては、上記の円形
の外、楕円形や前円後方形、あるいは前方後円形等を採
用してもよく、何れの場合もその深さは、通常２mm〜４
mm程度であるが、中底主体（３３）の貫通孔（３５）の
穿設部位の厚みを調節するようにしてもよい。Of the insole main body (33), a circular through-hole (for preventing concentrated load of weight) is applied to a portion where the metatarsophalangeal joint (1) of the wearer's toe touches. 35) has been formed. The shape of the through-hole (35) may be, in addition to the above-mentioned circular shape, an elliptical shape, a front circular rear shape, or a front rear circular shape, and in any case, the depth thereof is usually 2 mm to 4 mm.
Although it is about mm, the thickness of the drilled portion of the through hole (35) of the insole main body (33) may be adjusted.
【００１４】上記中底主体（３３）の貫通孔（３５）内
の下部にクッション材（３６）を嵌着する。このクッシ
ョン材（３６）は、中底主体（３３）の厚みの約２分の
１程度の厚みが望ましく、素材としては、例えば、軟質
スポンジ、軟らかいラシャ地、不織布、あるいは綿をす
いたもの等を使用することができる。A cushion material (36) is fitted into the lower portion of the through hole (35) of the insole main body (33). The thickness of the cushion material (36) is preferably about one half of the thickness of the insole main body (33), and the material is, for example, soft sponge, soft crusher cloth, non-woven fabric, or cotton-worn material. Can be used.
【００１５】上記貫通孔（３５）を含まない中底主体
（３３）の下面に接着剤等の接合手段を利用して上記補
強板（３４）を固着して一体構造の中底（３２）を形成
する。この中底（３２）を甲皮及び踵部から足先部に向
って延びる接地底（何れも図示省略）の間に釣り込み成
型し、上記接地底上に中底（３２）を重ね合わせた状態
で接合してローヒール・シューズ等を形成する。しかる
後、靴型を抜き取った後、中底主体（３３）の上面に、
上記貫通孔（３５）内に嵌まり込む凹部（３７）をくせ
付け成形した中敷（３１）を張り付ける。この場合、中
底主体（３３）の成型時、または中敷（３１）の張り付
けあるいは甲皮と接地底の間への釣り込み成型に先立っ
て、中底主体（３３）の貫通孔（３５）の開口縁部に、
面取り加工を施したり、あるいは、細径の傾斜リングを
嵌め込む等の方法で傾斜受圧面（３５ａ）を形成し、貫
通孔（３５）内へ嵌まり込む母指の中足指節関節部
（１）の足当たりを良くすることが望ましい。The reinforcing plate (34) is fixed to the lower surface of the insole main body (33) not including the through hole (35) by using a joining means such as an adhesive to form the integrated insole (32). Form. A state in which the insole (32) is molded between the instep and the ground contact bottom (all not shown) extending from the heel to the tip of the foot, and the insole (32) is superposed on the ground contact bottom. To form low heels, shoes, etc. After that, after removing the shoe mold, on the upper surface of the insole main body (33),
The insole (31) formed by fitting the recessed portion (37) into the through hole (35) is attached. In this case, before molding the insole main body (33), or prior to attaching the insole (31) or forming by fishing between the upper and the ground bottom, the through hole (35) of the insole main body (33) is formed. At the opening edge,
A chamfering process is performed, or an inclined pressure receiving surface (35a) is formed by a method such as fitting a small-diameter slant ring, and the middle toe phalangeal joint ( It is desirable to improve the foot contact in 1).
【００１６】このように中底主体（３３）に貫通孔（３
５）を形成し、かつ、この貫通孔（３５）にクッション
材（３６）を嵌着したので、母指の中足指節関節部
（１）の足底部は、立脚時には比較的小さな押し込み負
荷の作用下に貫通孔（３５）内に受入れられ、また、歩
行踏み切り時には、立脚時よりも稍大きな押し込み負荷
の作用下に貫通孔（３５）内に受入れられる。このと
き、上記貫通孔（３５）に受入れられた母指の中足指節
関節部（１）の足底部、特に、下方に突出した種子骨
（３）（３）は、クッション材（３６）で弾性的に支持
され、歩行時等に発生する種子骨（３）（３）への衝撃
が吸収される。したがって、母指の中足指節関節部
（１）、特に、種子骨（３）（３）が、歩行時等に大き
な衝撃を受けることがなく、歩行者の進行方向に向って
内側に位置する母指の中足指節関節部（１）に十分に重
心をかけて正しい歩行姿勢で歩行することが可能とな
り、外反母趾等の機能障害や足部疾患の発生を確実に防
止することができる。As described above, the through hole (3) is formed in the main body (33).
5) is formed and the cushioning material (36) is fitted into the through hole (35), so that the sole of the metatarsophalangeal joint of the thumb (1) has a relatively small pushing load when standing. Is received in the through hole (35) under the action of, and is also received in the through hole (35) under the action of a pushing load which is slightly larger than that at the time of standing up when taking a walk. At this time, the plantar part of the metatarsophalangeal joint part (1) of the toe received in the through hole (35), in particular, the seed bones (3) and (3) projecting downward, the cushion material (36). Is elastically supported by and absorbs the impact to the seed bones (3) and (3) generated during walking. Therefore, the metatarsophalangeal joint part (1) of the toe, especially the seed bones (3) and (3), is located inside the pedestrian's traveling direction without receiving a large impact during walking. It becomes possible to walk in a correct walking posture with a sufficient center of gravity for the metatarsophalangeal joint (1) of the thumb, and it is possible to reliably prevent functional disorders such as hallux valgus and the occurrence of foot diseases. .
【００１７】しかも第２指以下と比較して下方への張り
出し量が大きい母指の中足指節関節部（１）の足底部
は、他の部位よりも２mm〜４mm程度低くなるように貫通
孔（３５）内に受入れられるので、母指以外の他の部位
の床反力の発動が早められる。また、母指の中足指節関
節部（１）の体重支持点が２mm〜４mm程度下がることに
よって、足底の他の部位、すなわち、第２指乃至第５指
の中足指節関節部、内外側縦足弓（４）（９）、及び母
指を始めとする各指の指節関節部等の体重支持への参加
割合が増大する。これによって、体重負荷が母指の中足
指節関節部（１）の周辺部に分散し、歩行踏み切り時に
おける中足指節関節部（１）、特に種子骨（３）（３）
への体重の集中的負荷が緩和される。Moreover, the sole of the metatarsophalangeal joint (1) of the thumb, which has a greater amount of downward protrusion than the second and lower fingers, penetrates so as to be about 2 mm to 4 mm lower than other parts. Since it is received in the hole (35), the activation of the floor reaction force of the portion other than the thumb is accelerated. Further, since the weight supporting point of the metatarsophalangeal joint part (1) of the thumb is lowered by about 2 mm to 4 mm, the other part of the sole of the foot, that is, the metatarsophalangeal joint part of the second to fifth fingers. , The medial and lateral longitudinal arches (4) and (9), and the participation rate in weight support such as the phalangeal joint of each finger including the thumb is increased. As a result, the weight load is distributed to the periphery of the metatarsophalangeal joint (1) of the thumb, and the metatarsophalangeal joint (1), especially the seed bones (3) (3), at the time of walking crossing.
The intensive burden of weight on is relieved.
【００１８】また、中底主体（３３）の貫通孔（３５）
の部分には、補強板（３４）を固着していないので、貫
通孔（３５）の部分は曲りやすく、母指の中足指節関節
部（１）への重心移動がスムーズに行われ、極めて歩行
しやすい。Further, the through hole (35) mainly composed of the insole (33).
Since the reinforcing plate (34) is not fixed to the portion of, the portion of the through hole (35) is easily bent, and the center of gravity is smoothly moved to the metatarsophalangeal joint of the thumb (1), Extremely easy to walk.
【００１９】尚、上記実施例では、予備成型された中底
主体（３３）と補強板（３４）が接着剤によって一体構
造に接合されているが、両者を接合する代りに、貫通孔
（３５）に相当する中子を備えた成型用金型を利用して
中底主体（３３）と補強板（３４）とをモールド成形
し、一体構造の中底（３２）を形成してもよい。In the above embodiment, the preformed insole main body (33) and the reinforcing plate (34) are joined to each other by an adhesive, but instead of joining them, the through hole (35) is used. ) May be used to mold the main body of the insole (33) and the reinforcing plate (34) to form the insole (32) of an integral structure.
【００２０】[0020]
【発明の効果】本発明に係る靴用中底を使用すると、母
指の中足指節関節部は、クッション材を嵌着した貫通孔
に受入れられ、しかも中足指節関節部、特に、下方に突
出した種子骨がクッション材により弾性的に支持される
ので、歩行踏み切り時等において、種子骨への衝撃は上
記クッション材で吸収され、種子骨が大きな衝撃を受け
ることがない。その結果、歩行者の進行方向に向って内
側に位置する母指の中足指節関節部に十分に重心をかけ
て正しい歩行姿勢で歩行することが可能となり、外反母
趾、中足骨痛等の機能障害や足部疾患の発生を確実に防
止することができる。また、女性用のヒール靴は勿論の
こと、男性用の靴、さらには競争用や球技用のスポーツ
シューズ等にも広く適用することができる。When the insole for shoes according to the present invention is used, the metatarsophalangeal joint of the thumb is received in the through hole fitted with the cushioning material, and the metatarsophalangeal joint, in particular, Since the seed bone protruding downward is elastically supported by the cushion material, the impact on the seed bone is absorbed by the cushion material at the time of taking a walk, etc., and the seed bone is not subjected to a large impact. As a result, it becomes possible to walk in a correct walking posture with a sufficient center of gravity of the metatarsophalangeal joint of the thumb located inside the pedestrian's direction of travel, such as hallux valgus and metatarsalgia. It is possible to reliably prevent the occurrence of functional disorders and foot disorders. Further, it can be widely applied not only to women's heel shoes, but also to men's shoes, and sports shoes for competition and ball games.
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明に係る靴用中底の実施例を示す縦断面
図。FIG. 1 is a vertical cross-sectional view showing an embodiment of an insole for shoes according to the present invention.
【図２】靴用中底を分解状態で示す平面図。FIG. 2 is a plan view showing a shoe insole in an exploded state.
【図３】足の骨格を示す平面図。FIG. 3 is a plan view showing a skeleton of a foot.
【図４】図３の側面図。FIG. 4 is a side view of FIG.
【図５】従来の靴用中底の縦断面図。FIG. 5 is a vertical cross-sectional view of a conventional insole for shoes.
１ 中足指節関節部 ３２ 中底 ３５ 貫通孔 ３６ クッション材 1 metatarsophalangeal joint part 32 insole 35 through hole 36 cushion material
【手続補正書】[Procedure amendment]
【提出日】平成５年７月５日[Submission date] July 5, 1993
【手続補正１】[Procedure Amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】全文[Correction target item name] Full text
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【書類名】 明細書[Document name] Statement
【発明の名称】 靴用中底Title of invention Insole for shoes
【特許請求の範囲】[Claims]
【発明の詳細な説明】Detailed Description of the Invention
【０００１】[0001]
【産業上の利用分野】本発明は、靴用中底に関し、詳し
くは、靴履用者の歩行時に、足の母指の中足指節関節部
に繰り返し大きな重圧が作用するのを確実に防止するこ
とができる靴用中底に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shoe insole, and more specifically, it ensures that a large amount of pressure is repeatedly applied to the metatarsophalangeal joint of the toe of a foot when the shoe wearer walks. The present invention relates to a shoe insole that can be prevented.
【０００２】[0002]
【従来の技術】先ず、従来の靴用中底の説明に先立っ
て、図３及び図４に基づき背景技術として靴履用者の足
の骨格構造についての概略を説明する。図３及び図４に
おいて、（１）は第１中足骨頭（２）を含む母指の球関
節である中足指節関節部で、この中足指節関節部（１）
の底面部には種子骨（３）（３）が下方に向って突出し
ている。（４）は内側縦足弓、（５）は中足骨頭、
（６）は末節骨、（７）は中節骨、（８）は基節骨、
（９）は外側縦足弓、（１０）は内側楔状骨、（１１）
は中間楔状骨、（１２）は外側楔状骨、（１３）は茎状
突起、（１４）は立方骨、（１５）は舟状骨、（１６）
は距骨頭、（１７）は踵骨を示す。2. Description of the Related Art First of all, prior to the description of a conventional shoe insole, a skeleton structure of a foot of a shoe wearer will be described as a background art with reference to FIGS. In FIGS. 3 and 4, (1) is a metatarsophalangeal joint that is a ball joint of the thumb including the first metatarsal head (2).
Seed bones (3) and (3) project downward on the bottom surface of the. (4) is the medial longitudinal arch, (5) is the metatarsal head,
(6) is the distal phalanx, (7) is the middle phalanx, (8) is the proximal phalanx,
(9) is the lateral longitudinal arch, (10) is the medial wedge, (11)
Is an intermediate wedge, (12) an outer wedge, (13) a pedicle, (14) a cubic bone, (15) a scaphoid, (16)
Indicates the talus head and (17) indicates the calcaneus.
【０００３】そうして、靴履用者の歩行のメカニズムに
関して記述した文献“軟部組織の痛みと機能障害”（南
カリフォルニア大Rene Cailliet 著、荻島秀夫訳、医師
薬出版株式会社、昭和54年11月10日発行）にも記載され
ているように、靴履用者の歩行時、着地足の踏み切り時
点で、足の母指の中足指節関節部（１）を構成する第１
中足骨頭（２）には履用者の全体重の約６分の５が負荷
される。すなわち、履用者の歩行時には、進行方向に向
って内側に位置する母指の中足指節関節部（１）に重心
がかかる。[0003] Thus, the document "Pain and Dysfunction of Soft Tissues" describing the walking mechanism of shoe wearers (Rene Cailliet, University of Southern California, translated by Hideo Ogishima, Physic Drug Publishing Co., Ltd., 1979, 11) (Issued on October 10th), the first part of the metatarsophalangeal joint part (1) of the toe of the toe is formed at the time of walking of the shoe wearer and at the time of taking off of the landing foot.
The metatarsal head (2) is loaded with about 5/6 of the total weight of the wearer. That is, when the wearer walks, the center of gravity is applied to the metatarsophalangeal joint (1) of the toe located inside in the traveling direction.
【０００４】そこで、本出願人は、特公平4-20608号公
報において、足の母指の中足指節関節部（１）に履用者
の体重が集中的に負荷されるのを防止するための負荷分
散手段を備えた靴用中底を提案した。この提案に係る靴
用中底（２１）は、図５に示すように、靴履用者の踵部
から足先部に向って延びる中底主体（２２）のうち、履
用者の母指の中足指節関節部（１）が当たる部分に、体
重の集中的な負荷を防止するための貫通孔（２３）を形
成し、かつ、貫通孔（２３）を含む中底主体（２２）の
下面に接着剤等の接合手段を利用して補強板（２４）を
固着して一体構造としたものである。この中底（２１）
を甲皮及び踵部から足先部に向って延びる接地底（何れ
も図示省略）の間に釣り込み成型し、上記接地底上に中
底（２１）を重ね合わせた状態で接合してヒール・シュ
ーズを形成する。しかる後、靴型を抜き取った後、中底
主体（２２）の上面に、上記貫通孔（２３）内に嵌まり
込む凹部（２５）をくせ付け成形した皮革製の中敷（２
６）を張り付ける。Therefore, the applicant of the present invention discloses in Japanese Patent Publication No. 4-20608 that the weight of the wearer is not intensively applied to the metatarsophalangeal joint (1) of the toe of the foot. We proposed an insole for shoes equipped with a load balancing means. As shown in FIG. 5, the shoe insole (21) according to this proposal is, among the insole main body (22) extending from the heel of the shoe wearer toward the toes, the thumb of the wearer. A through hole (23) for preventing a concentrated load of weight is formed in a portion where the metatarsophalangeal joint part (1) hits, and a midsole main body (22) including the through hole (23) The reinforcing plate (24) is fixed to the lower surface of the above using a bonding means such as an adhesive to form an integral structure. This insole (21)
Is molded between the instep and the grounding bottom (all not shown) extending from the heel to the toes, and the middle sole (21) is joined to the grounding bottom to join the heel and Form shoes. Then, after removing the shoe mold, a leather insole (2) is formed by fitting a recess (25) into the through hole (23) on the upper surface of the insole main body (22).
Attach 6).
【０００５】上記貫通孔（２３）を設けた中底主体（２
２）を使用すると、母指の中足指節関節部（１）の足底
部は、立脚時には比較的小さな押し込み負荷の作用下に
貫通孔（２３）内に受入れられ、また、歩行踏み切り時
には立脚時よりも稍大きな押し込み負荷の作用下に貫通
孔（２３）内に受入れられる。その結果、体重負荷が母
指の中足指節関節部（１）の周辺部に分散し、歩行踏み
切り時における中足指節関節部（１）の第１中足骨頭
（２）への体重の集中的負荷が緩和される。Main body (2) provided with the through hole (23)
When 2) is used, the sole of the metatarsophalangeal joint (1) of the thumb is received in the through hole (23) under the action of a comparatively small pushing load when standing, and when standing on the ground, the standing foot is used. It is received in the through hole (23) under the action of a pushing load which is slightly larger than the time. As a result, the weight load is distributed around the metatarsophalangeal joint (1) of the thumb, and the weight of the metatarsophalangeal joint (1) on the first metatarsal head (2) at the time of walking crossing. The intensive load of is eased.
【０００６】[0006]
【発明が解決しようとする課題】従来の靴用中底（２
１）によれば、歩行踏み切り時における第１中足骨頭
（２）への体重の集中的負荷が緩和されるが、中底主体
（２２）の貫通孔（２３）内に受入れられた中足指節関
節部（１）の足底部、特に、下方に突出した種子骨
（３）（３）が歩行時等の重圧によって側方にずれ、外
反母趾等の機能障害や足部疾患が発生するおそれがあ
る。[Problems to be Solved by the Invention] Conventional insoles for shoes (2
According to 1), the concentrated load of the body weight on the first metatarsal head (2) at the time of walking crossing is alleviated, but the middle foot received in the through hole (23) of the insole mainly (22). The plantar part of the phalangeal joint (1), especially the seedbones (3) (3) protruding downward, may shift laterally due to heavy pressure during walking, etc., which may cause functional disorders such as hallux valgus and foot disorders. There is.
【０００７】また、上記補強板（２４）は、中底主体
（２２）の貫通孔（２３）の部分まで固着してあるの
で、母指の中足指節関節部（１）の屈曲及び伸展の自由
度小さくなり、歩き難いという問題があった。Further, since the reinforcing plate (24) is fixed to the through hole (23) of the insole main body (22) as well, the bending and extension of the metatarsophalangeal joint (1) of the toe. There was a problem that the degree of freedom was reduced and it was difficult to walk.
【０００８】本発明は、上記問題点に鑑み提案したもの
で、足の母指の中足指節関節部の足底部、特に、下方に
突出した種子骨が、歩行時等に重圧を受けることがな
く、外反母趾等の機能障害や足部疾患が発生するのを確
実に防止することができる靴用中底を提供することを目
的としている。The present invention has been proposed in view of the above problems, and the plantar part of the metatarsophalangeal joint of the toe of the toe, in particular, the seed bone protruding downward is subjected to heavy pressure during walking or the like. It is an object of the present invention to provide an insole for shoes, which is capable of reliably preventing functional disorders such as hallux valgus and foot diseases from occurring.
【０００９】[0009]
【課題を解決するための手段】本発明は、上記目的を達
成するため、靴の踵部から足先部に向って延びる接地底
上に重ね合わせた状態で接合される中底であって、履用
者の母指の中足指節関節部が当たる部分に、中足指節関
節部の足底部を受入れ可能な貫通孔を形成し、かつ、貫
通孔に所定厚みのクッション材を嵌着したものである。In order to achieve the above object, the present invention provides an insole which is joined in a superposed state on a grounded sole extending from the heel of the shoe toward the tip of the foot, A through hole that can receive the sole of the metatarsophalangeal joint is formed in the part where the metatarsophalangeal joint of the wearer's toe touches, and a cushion material with a specified thickness is fitted into the through hole. It was done.
【００１０】[0010]
【作用】中底の貫通孔に所定厚みのクッション材を設け
たので、上記貫通孔に受入れられた母指の中足指節関節
部の足底部、特に、下方に突出した種子骨が、クッショ
ン材で弾性的に支持され、歩行時等に種子骨に作用する
重圧が吸収される。Since the cushion material having a predetermined thickness is provided in the through hole of the insole, the foot sole portion of the metatarsophalangeal joint of the thumb received in the through hole, particularly the seed bone protruding downward, is cushioned. The material is elastically supported, and the heavy pressure acting on the seed bone is absorbed during walking.
【００１１】[0011]
【実施例】以下本発明に係る靴用中底の実施例を図１及
び図２を参照しながら説明すると次の通りである。EXAMPLE An example of an insole for shoes according to the present invention will be described below with reference to FIGS. 1 and 2.
【００１２】図１及び図２において、（３１）は皮革製
あるいは合成皮革製の中敷、（３２）は一体構造の中底
で、この中底（３２）は、靴履用者の踵部から足先部に
向って延びる中底主体（３３）と補強板（３４）とから
構成されている。In FIGS. 1 and 2, (31) is an insole made of leather or synthetic leather, (32) is an insole of an integral structure, and this insole (32) is the heel part of a shoe wearer. It is composed of an insole main body (33) extending from to the toe and a reinforcing plate (34).
【００１３】上記中底主体（３３）のうち、履用者の母
指の中足指節関節部（１）が当たる部分に、体重の集中
的な負荷を防止するための円形の貫通孔（３５）を形成
してある。貫通孔（３５）の形状としては、上記の円形
の外、楕円形や前円後方形、あるいは前方後円形等を採
用してもよく、何れの場合もその深さは、通常２mm〜４
mm程度であるが、中底主体（３３）の貫通孔（３５）の
穿設部位の厚みを調節するようにしてもよい。Of the insole main body (33), a circular through-hole (for preventing concentrated load of weight) is applied to a portion where the metatarsophalangeal joint (1) of the wearer's toe touches. 35) has been formed. The shape of the through-hole (35) may be, in addition to the above-mentioned circular shape, an elliptical shape, a front circular rear shape, or a front rear circular shape, and in any case, the depth thereof is usually 2 mm to 4 mm.
Although it is about mm, the thickness of the drilled portion of the through hole (35) of the insole main body (33) may be adjusted.
【００１４】上記中底主体（３３）の貫通孔（３５）内
の下部にクッション材（３６）を嵌着する。このクッシ
ョン材（３６）は、中底主体（３３）の厚みの約２分の
１程度の厚みが望ましく、素材としては、例えば、軟質
スポンジ、軟らかいラシャ地、不織布、あるいは綿をす
いたもの等を使用することができる。A cushion material (36) is fitted into the lower portion of the through hole (35) of the insole main body (33). The thickness of the cushion material (36) is preferably about one half of the thickness of the insole main body (33), and the material is, for example, soft sponge, soft crusher cloth, non-woven fabric, or cotton-worn material. Can be used.
【００１５】上記貫通孔（３５）を含まない中底主体
（３３）の下面に接着剤等の接合手段を利用して上記補
強板（３４）を固着して一体構造の中底（３２）を形成
する。この中底（３２）を甲皮及び踵部から足先部に向
って延びる接地底（何れも図示省略）の間に釣り込み成
型し、上記接地底上に中底（３２）を重ね合わせた状態
で接合してローヒール・シューズ等を形成する。しかる
後、靴型を抜き取った後、中底主体（３３）の上面に、
上記貫通孔（３５）内に嵌まり込む凹部（３７）をくせ
付け成形した中敷（３１）を張り付ける。この場合、中
底主体（３３）の成型時、または中敷（３１）の張り付
けあるいは甲皮と接地底の間への釣り込み成型に先立っ
て、中底主体（３３）の貫通孔（３５）の開口縁部に、
面取り加工を施したり、あるいは、細径の傾斜リングを
嵌め込む等の方法で傾斜受圧面（３５ａ）を形成し、貫
通孔（３５）内へ嵌まり込む母指の中足指節関節部
（１）の足当たりを良くすることが望ましい。The reinforcing plate (34) is fixed to the lower surface of the insole main body (33) not including the through hole (35) by using a joining means such as an adhesive to form the integrated insole (32). Form. A state in which the insole (32) is molded between the instep and the ground contact bottom (all not shown) extending from the heel to the tip of the foot, and the insole (32) is superposed on the ground contact bottom. To form low heels, shoes, etc. After that, after removing the shoe mold, on the upper surface of the insole main body (33),
The insole (31) formed by fitting the recessed portion (37) into the through hole (35) is attached. In this case, before molding the insole main body (33), or prior to attaching the insole (31) or forming by fishing between the upper and the ground bottom, the through hole (35) of the insole main body (33) is formed. At the opening edge,
A chamfering process is performed, or an inclined pressure receiving surface (35a) is formed by a method such as fitting a small-diameter slant ring, and the middle toe phalangeal joint ( It is desirable to improve the foot contact in 1).
【００１６】このように中底主体（３３）に貫通孔（３
５）を形成し、かつ、この貫通孔（３５）にクッション
材（３６）を嵌着したので、母指の中足指節関節部
（１）の足底部は、立脚時には比較的小さな押し込み負
荷の作用下に貫通孔（３５）内に受入れられ、また、歩
行踏み切り時には、立脚時よりも稍大きな押し込み負荷
の作用下に貫通孔（３５）内に受入れられる。このと
き、上記貫通孔（３５）に受入れられた母指の中足指節
関節部（１）の足底部、特に、下方に突出した種子骨
（３）（３）は、クッション材（３６）で弾性的に支持
され、歩行時等に発生する種子骨（３）（３）への重圧
が吸収される。したがって、母指の中足指節関節部
（１）、特に、種子骨（３）（３）が、歩行時等に大き
な重圧を受けることがなく、外反母趾等の機能障害や足
部疾患の発生を確実に防止することができる。As described above, the through hole (3) is formed in the main body (33).
5) is formed and the cushioning material (36) is fitted into the through hole (35), so that the sole of the metatarsophalangeal joint of the thumb (1) has a relatively small pushing load when standing. Is received in the through hole (35) under the action of, and is also received in the through hole (35) under the action of a pushing load which is slightly larger than that at the time of standing up when taking a walk. At this time, the plantar part of the metatarsophalangeal joint part (1) of the toe received in the through hole (35), in particular, the seed bones (3) and (3) projecting downward, the cushion material (36). Is elastically supported by and absorbs the heavy pressure on the seed bones (3) and (3) generated during walking. Therefore, the metatarsophalangeal joint part (1) of the toe, especially the seed bones (3) and (3) are not subjected to a large pressure when walking, and the functional disorder such as hallux valgus and the occurrence of foot diseases are generated. Can be reliably prevented.
【００１７】しかも第２指以下と比較して下方への張り
出し量が大きい母指の中足指節関節部（１）の足底部
は、他の部位よりも２mm〜４mm程度低くなるように貫通
孔（３５）内に受入れられるので、母指以外の他の部位
の床反力の発動が早められる。また、母指の中足指節関
節部（１）の体重支持点が２mm〜４mm程度下がることに
よって、足底の他の部位、すなわち、第２指乃至第５指
の中足指節関節部、内外側縦足弓（４）（９）、及び母
指を始めとする各指の指節関節部等の体重支持への参加
割合が増大する。これによって、体重負荷が母指の中足
指節関節部（１）の周辺部に分散し、歩行踏み切り時に
おける中足指節関節部（１）、特に種子骨（３）（３）
への体重の集中的負荷が緩和される。Moreover, the sole of the metatarsophalangeal joint (1) of the thumb, which has a greater amount of downward protrusion than the second and lower fingers, penetrates so as to be about 2 mm to 4 mm lower than other parts. Since it is received in the hole (35), the activation of the floor reaction force of the portion other than the thumb is accelerated. Further, since the weight supporting point of the metatarsophalangeal joint part (1) of the thumb is lowered by about 2 mm to 4 mm, the other part of the sole of the foot, that is, the metatarsophalangeal joint part of the second to fifth fingers. , The medial and lateral longitudinal arches (4) and (9), and the participation rate in weight support such as the phalangeal joint of each finger including the thumb is increased. As a result, the weight load is distributed to the periphery of the metatarsophalangeal joint (1) of the thumb, and the metatarsophalangeal joint (1), especially the seed bones (3) (3), at the time of walking crossing.
The intensive burden of weight on is relieved.
【００１８】また、中底主体（３３）の貫通孔（３５）
の部分には、補強板（３４）を固着していないので、貫
通孔（３５）の部分は曲りやすく、母指の中足指節関節
部（１）への重心移動がスムーズに行われ、極めて歩行
しやすい。Further, the through hole (35) mainly composed of the insole (33).
Since the reinforcing plate (34) is not fixed to the portion of, the portion of the through hole (35) is easily bent, and the center of gravity is smoothly moved to the metatarsophalangeal joint of the thumb (1), Extremely easy to walk.
【００１９】尚、上記実施例では、予備成型された中底
主体（３３）と補強板（３４）が接着剤によって一体構
造に接合されているが、両者を接合する代りに、貫通孔
（３５）に相当する中子を備えた成型用金型を利用して
中底主体（３３）と補強板（３４）とをモールド成形
し、一体構造の中底（３２）を形成してもよい。また、
貫通孔（３５）の一部を中底主体（３３）の内側縁に開
放してもよい。In the above embodiment, the preformed insole main body (33) and the reinforcing plate (34) are joined to each other by an adhesive, but instead of joining them, the through hole (35) is used. ) May be used to mold the main body of the insole (33) and the reinforcing plate (34) to form the insole (32) of an integral structure. Also,
A part of the through hole (35) may be opened to the inner edge of the insole main body (33).
【００２０】[0020]
【発明の効果】本発明に係る靴用中底を使用すると、母
指の中足指節関節部は、クッション材を嵌着した貫通孔
に受入れられ、しかも中足指節関節部、特に、下方に突
出した種子骨がクッション材により弾性的に支持される
ので、歩行踏み切り時等において、種子骨への重圧は上
記クッション材で吸収され、種子骨が大きな重圧を受け
ることがない。その結果、外反母趾、中足骨痛、魚の目
等の機能障害や足部疾患の発生を確実に防止することが
できる。When the insole for shoes according to the present invention is used, the metatarsophalangeal joint of the thumb is received in the through hole fitted with the cushioning material, and the metatarsophalangeal joint, in particular, Since the seed bone protruding downward is elastically supported by the cushion material, the heavy pressure on the seed bone is absorbed by the cushion material at the time of taking a walk, etc., and the seed bone is not subjected to a large heavy pressure. As a result, it is possible to reliably prevent the occurrence of functional disorders such as hallux valgus, metatarsal bone pain, fish eyes, and foot diseases.
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明に係る靴用中底の実施例を示す縦断面
図。FIG. 1 is a vertical cross-sectional view showing an embodiment of an insole for shoes according to the present invention.
【図２】靴用中底を分解状態で示す平面図。FIG. 2 is a plan view showing a shoe insole in an exploded state.
【図３】足の骨格を示す平面図。FIG. 3 is a plan view showing a skeleton of a foot.
【図４】図３の側面図。FIG. 4 is a side view of FIG.
【図５】従来の靴用中底の縦断面図。FIG. 5 is a vertical cross-sectional view of a conventional insole for shoes.
【符号の説明】 １ 中足指節関節部 ３２ 中底 ３５ 貫通孔 ３６ クッション材[Explanation of symbols] 1 metatarsophalangeal joint part 32 insole 35 through hole 36 cushioning material
Claims (1)
底上に重ね合わせた状態で接合される中底であって、履
用者の母指の中足指節関節部が当たる部分に、中足指節
関節部の足底部を受入れ可能な貫通孔を形成し、かつ、
貫通孔に所定厚みのクッション材を嵌着したことを特徴
とする靴用中底。1. A midsole that is joined in a state of being superposed on a grounded bottom extending from the heel of the shoe toward the tip of the foot, and the middle toe phalangeal joint of the wearer's toe touches the sole. In the part, a through hole that can receive the sole of the metatarsophalangeal joint part is formed, and
An insole for shoes, wherein a cushion material having a predetermined thickness is fitted in the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4170487A JPH067204A (en) | 1992-06-29 | 1992-06-29 | Insole for shoes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4170487A JPH067204A (en) | 1992-06-29 | 1992-06-29 | Insole for shoes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH067204A true JPH067204A (en) | 1994-01-18 |
Family
ID=15905870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4170487A Pending JPH067204A (en) | 1992-06-29 | 1992-06-29 | Insole for shoes |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH067204A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103799613A (en) * | 2012-11-06 | 2014-05-21 | (株)艾茲特里夫 | The structure of shoes' sole |
| JP2019051002A (en) * | 2017-09-14 | 2019-04-04 | 株式会社村井 | Sock liner |
| JP2019093001A (en) * | 2017-11-27 | 2019-06-20 | 株式会社アシックス | Footwear insole |
| US10631591B2 (en) | 2017-05-23 | 2020-04-28 | Nike, Inc. | Sole structure for an article of footwear with undulating sole plate |
| US11006695B2 (en) | 2018-05-31 | 2021-05-18 | Nike, Inc. | Footwear sole plate with forefoot through hole |
| US11089834B2 (en) | 2018-05-31 | 2021-08-17 | Nike, Inc. | Footwear sole plate with non-parallel waves of varying thickness |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62213701A (en) * | 1986-03-14 | 1987-09-19 | 月星化成株式会社 | Production of footwear having sponge sole core |
| JPS6430086U (en) * | 1987-08-17 | 1989-02-23 | ||
| JPH02295504A (en) * | 1989-05-09 | 1990-12-06 | Koichi Saga | Inner sole for shoes |
| JP3105304B2 (en) * | 1991-09-12 | 2000-10-30 | 富士通アイソテック株式会社 | Inkjet printer |
-
1992
- 1992-06-29 JP JP4170487A patent/JPH067204A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62213701A (en) * | 1986-03-14 | 1987-09-19 | 月星化成株式会社 | Production of footwear having sponge sole core |
| JPS6430086U (en) * | 1987-08-17 | 1989-02-23 | ||
| JPH02295504A (en) * | 1989-05-09 | 1990-12-06 | Koichi Saga | Inner sole for shoes |
| JP3105304B2 (en) * | 1991-09-12 | 2000-10-30 | 富士通アイソテック株式会社 | Inkjet printer |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103799613A (en) * | 2012-11-06 | 2014-05-21 | (株)艾茲特里夫 | The structure of shoes' sole |
| US10631591B2 (en) | 2017-05-23 | 2020-04-28 | Nike, Inc. | Sole structure for an article of footwear with undulating sole plate |
| JP2019051002A (en) * | 2017-09-14 | 2019-04-04 | 株式会社村井 | Sock liner |
| JP2019093001A (en) * | 2017-11-27 | 2019-06-20 | 株式会社アシックス | Footwear insole |
| US11006695B2 (en) | 2018-05-31 | 2021-05-18 | Nike, Inc. | Footwear sole plate with forefoot through hole |
| US11089834B2 (en) | 2018-05-31 | 2021-08-17 | Nike, Inc. | Footwear sole plate with non-parallel waves of varying thickness |
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| A02 | Decision of refusal |
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