JP5519843B1 - Leg movement aids - Google Patents
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- JP5519843B1 JP5519843B1 JP2013154453A JP2013154453A JP5519843B1 JP 5519843 B1 JP5519843 B1 JP 5519843B1 JP 2013154453 A JP2013154453 A JP 2013154453A JP 2013154453 A JP2013154453 A JP 2013154453A JP 5519843 B1 JP5519843 B1 JP 5519843B1
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Abstract
【課題】緊急避難時に、健常者の脚に力添えしてくれる脚の動作補助具を提供する。
【解決手段】大腿部を介添えする揺動ロッド２と、揺動ロッド２の下方に連結されて下腿部を介添えする支持ロッド４と、支持ロッド４の上部に設けられて揺動ロッド２に対し、支持ロッド４を前後方向にのみ揺動自在に接続する接続手段３と、接続手段３の外側に設けられて揺動ロッド２に対し、曲げられた支持ロッド４に復元力を付与する板状の復帰バネ手段６とを備え、復帰バネ手段６は、少なくとも内周面が円弧形で外周面との間に支持ロッド４と連結し且つ支持ロッド４の長軸方向に対し略平行となる第一の切り込み部６ａと、接続手段３と連結し且つ第一の切り込み部６ａに対し略１８０°〜略２７０°の領域内に形成される第二の切り込み部６ｂとを設け、第一の切り込み部６ａに対し、近接させた第二の切り込み部６ｂに生じる復帰力を揺動ロッド２の復元力としたものである。
【選択図】
図１The present invention provides a leg movement assisting tool that helps a healthy person's leg during emergency evacuation.
An oscillating rod 2 that interposes the thigh, a support rod 4 that is connected to the lower part of the oscillating rod 2 and interposes the lower leg, and an oscillating rod 2 that is provided above the support rod 4. On the other hand, the connecting means 3 for connecting the support rod 4 so as to be swingable only in the front-rear direction, and a restoring force is applied to the bent support rod 4 with respect to the swinging rod 2 provided outside the connecting means 3. The return spring means 6 includes a plate-like return spring means 6. The return spring means 6 has at least an inner peripheral surface of an arc shape and is connected to the support rod 4 between the outer peripheral surface and substantially parallel to the major axis direction of the support rod 4. and the first cut portion 6a comprising, a second cut portion 6b relative ligated and first cut portion 6a and the connecting means 3 Ru is formed in a substantially 180 ° ~ approximately 270 ° in the region provided the The second notch 6b adjacent to the notch 6a The that return force is obtained by the restoring force of the swinging rod 2.
[Selection]
FIG.
Description
本発明は、緊急避難時に力添えしてくれる脚の動作補助具に関する。 The present invention relates to a leg motion assisting tool that provides assistance during emergency evacuation.
近年において、悪路でも遠路でも素早い移動が求められる緊急避難時に、健常者に力添えしてくれる脚の動作補助具が有効である。このような脚の動作補助具は、軽量で取り付けが容易で安全且つ安価であることは勿論、種類が特大・大型・中型・小型程度で汎用性と即応性が高いことが必要です。而も、足腰が弱った人たちの歩行をも補足できる製品化が望まれていた。 In recent years, leg aids that help healthy people during emergency evacuations that require quick movement on both rough and long roads are effective. Such leg movement aids must be lightweight, easy to install, safe and inexpensive, as well as oversized, large, medium and small in size and versatile and responsive. However, a product that can supplement the walking of people with weak legs was desired.
特許文献１においては、ゴム付歩行補助器の足添えパットで、素足又は靴に柔らかく密着固定し、前後のゴムの伸縮力を利用し、安全歩行の補助をする歩行安全補助器が公知である。このものでは、病気の原因で筋力が退化し、両足関節の機能が退廃した多くの身体障害者の為に歩行を自力で安全に確保できる補助器である。 In Patent Document 1, a walking safety auxiliary device that assists safe walking by using a pad with a foot of a walking auxiliary device with rubber softly and firmly fixed to bare feet or shoes and using the elastic force of the front and rear rubber is known. . This is an auxiliary device that can secure walking safely on its own for many physically handicapped people whose muscle strength has declined due to illness and the functions of both ankle joints have declined.
特許文献２には、捻挫予防、捻挫再発予防、軽度の足関節疾病等に最低限必要な制動力と、運動自由度との双方がバランスよく達成し、装着が容易で、装着間違いが発生しない構造を持った足関節装具が公知である。 In Patent Document 2, the minimum braking force required for sprain prevention, sprain recurrence prevention, mild ankle disease, etc. and the degree of freedom of movement are achieved in a well-balanced manner. Ankle joint orthoses having a structure are known.
特許文献３には、不幸にして病気、怪我から足の一部が曲がらなくなった。或は、曲がりにくくなったため、歩装具を着けざるを得なくなってしまった人に、軽量で、密着感や暑苦しさを軽減する歩装具の製作技術に関するものが公知である。 In Patent Document 3, unfortunately, a part of the foot can no longer bend due to illness or injury. Alternatively, a technique relating to a technique for producing a walking device that is light in weight and reduces the feeling of close contact and heat for a person who has been forced to wear the walking device because it becomes difficult to bend is known.
以上に述べた歩行補助器の他に、従来の福祉用のサポーター器具では、床反力センサーや関節角度などから、装着者の姿勢情報を読み取り、動作に合わせて立ち上がり動作や歩行動作をアシストするものが実用化されている。このものでは、それぞれの関節ごとに「制御モード」、「アシストレベル」、「最大出力上限」、「角度（アシスト範囲の制限）」を細目設定する。而も、筋力が弱い関節部はアシストレベルを上げ、アシストしたい範囲を設定するなど、装着者の関節単位で調整を行うきめ細かな設定が必要であり、追跡設定する必要があるという問題を含んでいた。 In addition to the walking aids described above, conventional support equipment for welfare reads the wearer's posture information from the floor reaction force sensor and joint angle, etc., and assists the standing and walking movements according to the movement. Things are in practical use. In this case, “control mode”, “assist level”, “maximum output upper limit”, and “angle (limit of assist range)” are set in detail for each joint. However, for joints with weak muscle strength, it is necessary to make detailed settings to adjust in units of the joints of the wearer, such as raising the assist level and setting the range to be assisted, including the problem that tracking settings are required. It was.
本発明は、従来の福祉用のサポーター器具を健常者の脚に力添えする補助具に利用した際に生じる問題を解決しようとするものであり、自然災害による津波の襲来、ダムの決壊や河川の氾濫、台風や集中豪雨からの浸水、あるいは火砕流の直撃、竜巻の強襲、などから逃避する緊急避難時に、姿勢情報を読み取ることなく、避難動作の膝曲げエネルギーが介設した扇形の平鋼板に水平捻りを加えて生じる復帰力を回収することにより、歩行や走行動作を遂行するための脚に踏ん張り力から跳ね上げ力を力添えしてくれる脚の動作補助具を提供することを目的とする。 The present invention is intended to solve the problems that occur when a conventional supporter device for welfare is used as an assisting device for helping the leg of a healthy person, such as a tsunami hit by a natural disaster, a dam break, During emergency evacuation to escape from flooding, inundation from typhoons or heavy rains, direct impact of pyroclastic flow, tornado assault, etc., it is horizontal to a fan-shaped flat steel plate that interposes the knee bending energy of evacuation action without reading posture information An object of the present invention is to provide a leg movement assisting tool that collects a lifting force from a tension force on a leg for performing walking or running movement by collecting a return force generated by twisting.
また、脚の動作補助具は、容易に持ち運びができることは勿論、立ち上り時や腰おろし体勢時に容易に且つ瞬時の一体固定ができるとともに、いかなる状況下におかれても所定の性能を発揮することが必要である。しかも、足腰が弱った人たちの歩行をも補足できるもので、メンテナンスフリーを実現した簡単な構造で、汎用性と即応性が高い脚の動作補助具の製品化が望まれていた。 In addition to being easy to carry, the leg movement aids can be easily and instantly fixed when standing up or sitting down, and exhibit the prescribed performance under any circumstances. is necessary. In addition, it is possible to supplement the walking of people with weak legs and legs, and there has been a demand for commercialization of a leg motion assisting device that has a simple structure that realizes maintenance-free operation and is highly versatile and responsive.
そして、本発明は上記目的を達成するために大腿部を介添えする長尺状の揺動ロッドと、揺動ロッドの下方に連結されて下腿部を介添えする長尺状の支持ロッドと、支持ロッドの上部に設けられて揺動ロッドに対し、支持ロッドを前後方向にのみ揺動自在に接続する接続手段と、接続手段の外側に設けられて揺動ロッドに対し、曲げられた支持ロッドに復元力を付与する板状の復帰バネ手段と、を備え、復帰バネ手段は、少なくとも内周面が円弧形で外周面との間に支持ロッドと連結し且つ支持ロッドの長軸方向に対し略平行となる第一の切り込み部と、接続手段と連結し且つ第一の切り込み部に対し略１８０°〜略２７０°の領域内に形成される第二の切り込み部とを設け、第一の切り込み部に対し、近接させた第二の切り込み部に生じる復帰力を揺動ロッドの復元力とした脚の動作補助具を提供する。 And in order to achieve the above-mentioned object, the present invention provides a long rocking rod that interposes the thigh, a long support rod that is coupled to the lower part of the rocking rod and interposes the crus, A connecting means provided on an upper portion of the support rod to connect the support rod so as to be swingable only in the front-rear direction, and a support rod which is provided outside the connecting means and is bent with respect to the swing rod. comprising a plate-shaped return spring means for applying a restoring force, to a return spring means, in the longitudinal direction of the connection to and support rod and the support rod during at least the inner peripheral surface and outer peripheral surface with arcuate a first cut portion serving as against approximately parallel, and the second cut portion formed in a substantially 180 ° ~ approximately 270 ° in the region with respect to linked and first cut portion and the connecting means is provided, the first Occurs in the second notch that is close to the notch It provides an operating aid leg the null force and the restoring force of the swinging rod.
第２の課題解決手段は、接続手段が、膝曲げ時において、前記揺動ロッドが折れ曲りするよう、後方がヒンジ手段で前方が前記ヒンジ手段を支点にして揺動ロッドと連結した揺動部材の天端に形成する開脚面直下部に係合係止又は係止を開放する係合手段及び支持ロッドの曲げ初めから揺動ロッドが折れ曲るまでの全揺動量の復帰動を停止する係止手段を備えたものである。 The second problem solving means, connecting means, at the time of bending the knee, the swing so that the rod is bent bending, swinging member rear forward at the hinge means is connected to the swinging rod to the fulcrum said hinge means The engagement means for releasing or releasing the engagement immediately below the opening leg surface formed at the top end of the base and the mechanism for stopping the return movement of the total swing amount from the beginning of bending of the support rod until the swing rod is bent It is provided with stopping means.
第３の課題解決手段は、係合手段が、支持ロッドに近接する揺動部材の後方壁に形成する屈座面には開脚面方向と平行して四角平ら状に凹む係支洞穴と、係支洞穴には屈座面方向と平行して四角平ら状に切欠いた係止窓を設けた四角平ら形をした嵌合板を出没可能に挿置し、開脚面直下部に係止窓と交差させた四角柱状に凹む係合穴と、係合穴に挿置可能となる位置に、揺動ロッドは開脚面と接合する折れ曲り面に突出され、開脚する方向と平行して前方に前屈部端を接続する勾玉形をした平ら状の係止鋼材とを設け、膝曲げ時においては嵌合板の強制頭没により係止窓が係止鋼材の猫背面を圧縮して係合係止していた前屈部の係止を開放するものである。 The third problem solving means, the engaging means, and engagement支洞holes recessed in a square planar shape to屈座surface in parallel with the open leg side direction to form the rear wall of the swing member close to the support rod, engages the支洞hole and interposed to retractably the engagement plate was a rectangular flat shape having a Kakaritomemado that notched in a rectangular flat shape parallel to the屈座plane direction, are crossed with Kakaritomemado the open leg surface immediately below the The rocking rod protrudes from the bent surface that joins the opening leg surface at the position where it can be inserted into the engagement hole and the engagement hole that is recessed in the shape of a square pillar, and bends forward in parallel to the direction of opening the leg. It is provided with a flat-shaped locking steel material that connects the ends, and when the knee is bent, the locking window compresses and locks the back surface of the locking steel material by forcibly immersing the mating plate. The locking of the bent forward part is released .
第４の課題解決手段は、係止手段が、一端が揺動ロッドの後方壁に係止し、他端がヒンジ手段の軸棒を支点にして後部の方向に縁巻き付勢する棒型又は板状の発条と、発条他端先に直列接続する板形をした係合板と、係合板が併合する支持ロッドの後方壁に板状に凹む係止溝とを備えたものである。 According to a fourth problem solving means, the locking means is a rod type in which one end is locked to the rear wall of the swing rod and the other end is edge- wound in the direction of the rear with the shaft rod of the hinge means as a fulcrum. A plate-shaped strip, a plate-shaped engagement plate connected in series to the other end of the strip, and a locking groove recessed in a plate shape on the rear wall of the support rod to which the engagement plate is combined.
上記第１の課題解決手段による作用は次の通りである。すなわち、緊急避難時に、筋肉疲労や関節痛に見舞われることを想定し、健常者の脚に一体固定することで、避難動作の膝曲げエネルギーが復帰バネ手段に水平捻りを加えて生じる復帰力を、曲げられた支持ロッドに揺動ロッドの復元力として付与することにより、脚に踏ん張り力から跳ね上げ力を力添えするため、歩行や走行動作を補助してくれる。 The operation of the first problem solving means is as follows. That is, it is assumed that during an emergency evacuation, muscle fatigue and joint pain will occur, and by fixing it to the leg of a healthy person, the knee bending energy of the evacuation action will generate a return force that is generated by applying a horizontal twist to the return spring means. By giving the bent support rod as a restoring force of the swinging rod, the leg can be given a jumping force from the strangling force to assist the walking and running motion.
また、第２の課題解決手段による作用は、接続手段に備えた係合手段が、後方のヒンジ手段を支点にして揺動ロッドの折れ曲がりをスムーズにし、歩行動作から腰おろし体勢・腰おろし体勢から歩行動作への俊敏な動きを邪魔しない。而も、接続手段に備えた係止手段が、支持ロッドの曲げ初めから揺動ロッドが折れ曲るまでの全揺動量の復帰動を停止して膝への負担を無くして安息姿勢を維持することができる。 In addition, the second problem solving means is characterized in that the engagement means provided in the connection means makes the swinging rod bend smoothly with the hinge means at the back as a fulcrum, and from the lowering posture and lowering posture from walking motion. Do not disturb the agile movements of walking. In addition, the locking means provided in the connecting means stops the return movement of the total swing amount from the beginning of the bending of the support rod to the bending of the swinging rod, thereby eliminating the burden on the knee and maintaining the resting posture. be able to.
第３の課題解決手段による作用は、係合手段が、歩行や走行動作時に嵌合板に設けた係止窓が係止鋼材の猫背面から頭出が強制されて前屈部に係止するため、揺動ロッドと連結機能を確実に果たす一方、膝曲げ時に頭没が強制された嵌合板は設けた係止窓が係合穴に挿置された係止鋼材の猫背面を圧縮して係合係止していた前屈部の係止を開放するため、揺動ロッドの折れ曲がりをスムーズにすることができる。 The action of the third problem solving means is that the engaging means is locked by the locking window provided on the fitting plate during walking or running operation from the back surface of the locking steel material to the forward bending portion. while fulfilling reliably swinging rod and the connecting function, knee flexing lock window head deaths is provided is forced engagement plate during compresses the cat back in the interposed been locking steel engaging hole engaging Since the locking of the bent portion that has been locked together is released , the swinging rod can be bent smoothly.
第４の課題解決手段による作用は、係止手段が、揺動ロッドの折れ曲がりに伴い、曲げられた発条の一端に生じる曲げ戻し力を、発条の他端を通して係合板に押し当て力として付与することにより、係合板が支持ロッドに形成した係止溝に併合するため、支持ロッドの曲げ初めから揺動ロッドが折れ曲るまでの全揺動量の復帰動を停止できるという効果を発揮する。 The action by the fourth problem solving means is that the locking means applies a bending return force generated at one end of the bent ridge as the urging rod is bent to the engaging plate as a pressing force through the other end of the ridge. As a result, the engagement plate is merged with the locking groove formed in the support rod, so that the return movement of the entire swing amount from the beginning of the bending of the support rod to the bending of the swing rod can be stopped.
上述したように本発明の脚の動作補助具は、避難動作の膝曲げエネルギーが復帰バネ手段に水平捻りを加えて生じる復帰力を回収することにより、脚に踏ん張り力から跳ね上げ力を力添えするため、歩行や走行動作を補助してくれる。この結果、筋肉疲労や関節痛の重度を緩和することができる。 As described above, the leg motion assisting device of the present invention collects the lifting force from the tension force on the leg by collecting the restoring force generated by the knee bending energy of the evacuation operation by applying a horizontal twist to the restoring spring means. Therefore, it assists walking and running. As a result, the severity of muscle fatigue and joint pain can be alleviated.
また、接続手段に備えた係合手段は、膝曲げ時において、後方のヒンジ手段を支点にして揺動ロッドの折れ曲がりをスムーズにするため、歩行動作から腰おろし体勢・腰おろし体勢から歩行動作への俊敏な動きを邪魔しない。 In addition, the engaging means provided in the connecting means, from the walking motion to the lowering posture and from the lowering posture to the walking motion, in order to make the swinging rod bend smoothly with the rear hinge means as a fulcrum during knee bending. Do not disturb the agile movements.
而も、接続手段に備えた係止手段は、押し当て力が付与された係合板が支持ロッドに形成した係止溝に併合することにより、支持ロッドの曲げ初めから揺動ロッドが折れ曲るまでの全揺動量の復帰動を停止するため、膝への負担を無くして安息姿勢を維持できるという効果がある。 In addition, the locking means provided in the connecting means is such that the rocking rod bends from the beginning of the bending of the support rod when the engagement plate to which the pressing force is applied merges with the locking groove formed in the support rod. Since the return movement of the entire swing amount is stopped, there is an effect that a resting posture can be maintained without a burden on the knee.
本発明は、本発明の趣旨の範囲内において、公知技術を付加したものも、本発明から公知技術を除いたものも、本発明の範囲に含まれる。また、本発明の範囲は、以下の具体的な実施例に限定されるものではない。 Within the scope of the gist of the present invention, the present invention includes those to which known techniques are added and those in which known techniques are excluded from the present invention. The scope of the present invention is not limited to the following specific examples.
以下、本発明の実施の形態を図１〜図５に基づいて説明する。 Hereinafter, embodiments of the present invention will be described with reference to FIGS.
図１においては、１は健常者の脚に力添えしてくれる脚の動作補助具で、特許請求の範囲に記載されたように「大腿部を介添えする長尺状の揺動ロッド２と、揺動ロッド２の下方に連結されて下腿部を介添えする長尺状の支持ロッド４と、支持ロッド４の上部に設けられて揺動ロッド２に対し、支持ロッド４を前後方向にのみ揺動自在に接続する接続手段３と、接続手段３の外側に設けられて揺動ロッド２に対し、曲げられた支持ロッド４に復元力を付与する板状の復帰バネ手段６と、を備え」ている。 In FIG. 1, reference numeral 1 denotes a leg motion assisting device that applies force to the leg of a healthy person, and as described in the claims, “a long rocking rod 2 that interposes the thigh, A long support rod 4 connected to the lower part of the swing rod 2 and interposing the lower leg part, and provided on the support rod 4 and swinging the support rod 4 only in the front-rear direction. A connecting means 3 that is movably connected, and a plate-like return spring means 6 that is provided outside the connecting means 3 and applies a restoring force to the bent support rod 4 with respect to the swinging rod 2. " ing.
すなわち、脚の動作補助具１は、主に、揺動ロッド２、支持ロッド４、接続手段３、復帰バネ手段６から構成され、緊急避難時に、筋肉疲労や関節痛に見舞われることを想定し、健常者の脚に一体固定することで、避難動作の膝曲げエネルギーが復帰バネ手段６に水平捻りを加えて生じる復帰力を、曲げられた支持ロッド４に揺動ロッド２の復元力として付与することにより、脚に踏ん張り力から跳ね上げ力を力添えするものである。 That is, the leg motion assisting tool 1 is mainly composed of a rocking rod 2, a support rod 4, a connecting means 3, and a return spring means 6, and assumes that it is affected by muscle fatigue and joint pain during emergency evacuation. By being fixed integrally to the leg of a healthy person, the knee bending energy of the evacuation operation gives a restoring force generated by applying a horizontal twist to the restoring spring means 6 to the bent support rod 4 as a restoring force of the swinging rod 2. By doing so, the leg is given a jumping force from the standing force.
ここで、揺動ロッド２は、少なくとも内側の壁面が平板且つ角丸に成形した四角又は六角柱形に形成され、アルミニウム合金又は強化プラスチックから一体成形し、連結によるロッド接続を行わない。尚、安全性と耐久性を確保した上で、軽量化を図るため、ロッド部をＣ型又は中空状にしてもよい。その場合、天端に図示しないゴムキャップを取り付けることにする。 Here, the rocking rod 2 is formed in a square or hexagonal column shape in which at least an inner wall surface is formed into a flat plate and rounded corners, is integrally formed from aluminum alloy or reinforced plastic, and does not perform rod connection by connection. Note that the rod portion may be C-shaped or hollow in order to reduce the weight while ensuring safety and durability. In that case, a rubber cap (not shown) is attached to the top.
上記アルミニウム合金は、通常アルミニウムと他の添加元素を溶かして製造する。この溶かして固めただけの鋳物の状態でほぼ用いられる鋳造用合金と、固めた後に、さらに熱間圧延・熱間押し出しなどの熱間加工や冷間加工によって成形する属伸用合金とに分けられ、鋳造用合金を使用する。因みに、アルミニウムはマグネシウムに次いで軽い金属であって、他の元素を添加して欠点を補うことにより、耐食、耐熱、高力、軽量、熱膨張が低い等の特徴を有している。 The aluminum alloy is usually produced by dissolving aluminum and other additive elements. This alloy is divided into a casting alloy that is almost used in the form of a cast just melted and hardened, and a metal alloy that is formed by hot working such as hot rolling and hot extrusion and cold working after hardening. And use a casting alloy. Incidentally, aluminum is the lightest metal after magnesium, and has other characteristics such as corrosion resistance, heat resistance, high strength, light weight, and low thermal expansion by adding other elements to compensate for the defects.
また、強化プラスチック（ＦＲＰ）を使用した場合、不飽和ポリエステル樹脂を常温・常圧でも硬化するものを使用することとし、押し出し、圧縮、射出、金型成形の中から選択するものとする。このＦＲＰは、加工が容易且つ安価で軽量、高力、腐食しにくい等の特徴を有している。 In addition, when reinforced plastic (FRP) is used, an unsaturated polyester resin that cures at room temperature and normal pressure is used, and it is selected from extrusion, compression, injection, and mold forming. This FRP has features such as easy processing, low cost, light weight, high strength, and resistance to corrosion.
２２は大腿パットで、図２に示すように、三日月形をした筒状に形成され、揺動ロッド２の内壁に接合されている。この大腿パット２２に大腿部を一周巻する菱網状の大腿ベルト２３を介装した帯状の大腿バンド２４の片端又は両端を取り外し可能に接続しており、内壁の上方にマジック式のロッド係合ベルト２５が接着剤などを用いて接着され、このロッド係合ベルト２５に接合する大腿パット２２にマジック式のロッド係止ベルト２６が接着剤などを用いて接着している。この接合位置は、体形に合わせて事前に設定することにする。尚、接着方法は、カーボン繊維やセラミックス繊維を樹脂材で固めた接着剤などを用いており、固まる際の固着力を利用している。 A thigh pad 22 is formed in a crescent-shaped cylinder as shown in FIG. 2, and is joined to the inner wall of the swing rod 2. One end or both ends of a belt-like thigh band 24 interposing a thigh-like thigh belt 23 that wraps around the thigh around the thigh pad 22 are detachably connected, and a magic-type rod engagement is provided above the inner wall. The belt 25 is bonded using an adhesive or the like, and a magic type rod locking belt 26 is bonded to the thigh pad 22 bonded to the rod engaging belt 25 using an adhesive or the like. This joining position is set in advance according to the body shape. Note that the bonding method uses an adhesive or the like obtained by solidifying carbon fiber or ceramic fiber with a resin material, and utilizes the fixing force when solidifying.
また、大腿パット２２は、固定する大腿部の外側半面積を覆うことができるとともに、良質のソフトタッチ性と弾力性を必要とすることから、多孔質（バネ定数が０，４９〜４，７ｋＮ／センチメートル）の弾性ゴム成形体から形成したものを使用する。この多孔質の弾性ゴムは、耐酸性、耐アルカリ性、耐水性、耐微生物性、耐油性、耐有機溶剤性、耐圧縮性に優れた材質で、それ自体は変形することなく、且つ長期にわたる繰り返えし圧縮にも塑性変形のないことが必要である。また、水平荷重による剪断力に耐える必要があるので、その剪断弾性係数は、０，１〜０，７Ｎ／ｍｍ２に設定している。 In addition, the thigh pad 22 can cover the outer half area of the thigh to be fixed, and requires high-quality soft touch and elasticity. Therefore, the thigh pad 22 is porous (spring constant is 0, 49 to 4, 4). 7 kN / cm)) is used. This porous elastic rubber is a material excellent in acid resistance, alkali resistance, water resistance, microbial resistance, oil resistance, organic solvent resistance, and compression resistance. It is necessary for the return compression to be free from plastic deformation. Further, since it is necessary to withstand a shearing force by horizontal load, the shear modulus is set to 0,1~0,7N / mm 2.
而も、大腿パット２２は、空隙率が５％より小さいと等価減衰係数が小さくなって繰り返えし圧縮を取り除くことができなくなり、空隙率が５０％より大きくなると圧縮強度が不足するため、空隙率を５〜５０％の範囲において、歪を５〜１５％にできるように調整したものを使用する。或は、使用状況において、空隙率を５％より小さく調整したものを部分併用する。尚、大腿パット２２は大腿部に１組を基本としている。 However, the thigh pad 22 has a smaller equivalent damping coefficient when the porosity is less than 5%, and cannot be repeatedly removed, and the compression strength is insufficient when the porosity is greater than 50%. A porosity adjusted so that the strain can be 5 to 15% in the range of 5 to 50% is used. Alternatively, a part of which the porosity is adjusted to be smaller than 5% in the usage situation is partially used. The thigh pad 22 is basically one set on the thigh.
そして、大腿パット２２は、大腿部を一周巻する菱網状の大腿ベルト２３を介装した帯状の大腿バンド２４を調節自在に接続するよう、大腿パット２２の両翼外周壁にマジック式の揺動パット係合ベルト２７が接着剤などを用いて接着しており、この揺動パット係合ベルト２７に接合する大腿バンド２４の両袖内面に図示しないマジック式の揺動パット係止ベルトが接着剤などを用いて接着している。 The thigh pad 22 has a magic-type swinging on the outer peripheral walls of both wings of the thigh pad 22 so as to adjustably connect a belt-like thigh band 24 with a rhombus-like thigh belt 23 wound around the thigh. The pad engaging belt 27 is bonded using an adhesive or the like, and a magic-type swinging pad locking belt (not shown) is attached to the inner surfaces of both sleeves of the thigh band 24 joined to the swinging pad engaging belt 27. It adheres using etc.
すなわち、大腿パット２２は、大腿バンド２４に介装した大腿ベルト２３が有する伸縮性の効力とともに、大腿部に合わせて調節する締付け力が得られる。而も、大腿パット２２に大腿バンド２４が接続すると、両袖外壁から曲げ圧を受けて小径に変化することから、大腿部と接触する面積が増加して摩擦力の強化が図られ、瞬時の一体固定を実現することができる。尚、大腿ベルト２３は、質感もよく多少の伸縮性を有する革製品が最適ですが、合成ゴムにて菱網状或は帯状にした製品でもよい。 That is, the thigh pad 22 can obtain a tightening force that adjusts to the thigh, together with the stretchable effect of the thigh belt 23 interposed in the thigh band 24. However, when the thigh band 24 is connected to the thigh pad 22, it changes to a small diameter by receiving bending pressure from the outer walls of both sleeves, so that the area in contact with the thigh increases and the frictional force is strengthened instantaneously. It is possible to realize the integral fixing. The thigh belt 23 is optimally a leather product having a good texture and a slight elasticity, but may be a product made of synthetic rubber in a rhombus shape or a belt shape.
４は下腿部を介添えする支持ロッドで、図２に示すように、揺動ロッド２と同様、少なくとも内側の壁面が平板面且つ角丸に成形した四角又は六角柱形に形成され、上部には接続手段３の支持部材３ａが接続されている。この支持ロッド４と支持部材３ａはアルミニウム合金又は強化プラスチックから一体成形する。又は、双方をアルミニウム合金とした場合、溶融による接続とする。尚、揺動ロッド２と同様、安全性と耐久性を確保した上で、軽量化を図るため、ロッド部をＣ型又は中空状にしてもよい。 As shown in FIG. 2, 4 is a support rod that interposes the lower leg part, and like the swinging rod 2, at least the inner wall surface is formed into a square or hexagonal column shape formed into a flat plate surface and rounded corners. The support member 3a of the connection means 3 is connected. The support rod 4 and the support member 3a are integrally formed from aluminum alloy or reinforced plastic. Alternatively, when both are made of an aluminum alloy, the connection is made by melting. In addition, like the rocking rod 2, the rod portion may be C-shaped or hollow in order to reduce the weight while ensuring safety and durability.
そして、支持ロッド４は、下腿部との間に介装する多孔質の弾性ゴム成形体から形成する三日月形をした筒状の上段、下段下腿パット４２ａ、４２ｂが内壁に接合しており、この上段、下段下腿パット４２ａ、４２ｂにふくらはぎ、足首を一周巻する菱網状の上段、下段下腿ベルト４３ａ，４３ｂを介装した帯状の上段、下段下腿バンド４４ａ，４４ｂが片端又は両端を取り外し可能に接続している。 The support rod 4 has a crescent-shaped cylindrical upper and lower crus pads 42a and 42b formed from a porous elastic rubber molded body interposed between the crus and the inner wall. The upper and lower crus pads 42a and 42b are calfed, the upper part of the reticular shape that wraps around the ankle, the upper part of the belt with the lower crus belts 43a and 43b, and the lower crus bands 44a and 44b can be removed at one or both ends Connected.
すなわち、上段、下段下腿パット４２ａ、４２ｂは、上段、下段下腿バンド４４ａ，４４ｂに介装した上段、下段下腿ベルト４３ａ，４３ｂが有する伸縮性の効力とともに、下腿部に合わせて調節する締付け力が得られる。而も、上段、下段下腿パット４２ａ、４２ｂに上段、下段下腿バンド４４ａ，４４ｂが接続すると、両袖外壁から曲げ圧を受けて小径に変化することから、下腿部と接触する面積が増加して摩擦力の強化が図られ、瞬時の一体固定を実現することができる。 That is, the upper and lower crus pads 42a and 42b are provided with an elastic effect of the upper and lower crus belts 43a and 43b interposed in the upper and lower crus bands 44a and 44b, and a tightening force that is adjusted according to the crus. Is obtained. However, when the upper and lower crus bands 44a and 44b are connected to the upper and lower crus pads 42a and 42b, the outer walls of the sleeves receive bending pressure and change to a small diameter, so that the area in contact with the crus increases. Thus, the frictional force can be strengthened, and the instantaneous integral fixation can be realized.
尚、上記の支持ロッド４において、上記揺動ロッド２と品質・形状が実質的に同一であり、構成する他の部材や部品及び同一の機能を有する構造のもの（例えば、上段、下段下腿パット４２ａ，４２ｂ・上段、下段下腿ベルト４３ａ，４３ｂ・上段、下段下腿バンド４４ａ，４４ｂ・支持パット係合ベルト４５・上段、下段パット係止ベルト・上段、下段ロッド係合ベルト・上段、下段ロッド係止ベルト）について、その説明を省略するとともに、無符号品は図示も省略する。 The support rod 4 has substantially the same quality and shape as the rocking rod 2 and has other members and parts and structures having the same functions (for example, upper and lower leg pads). 42a, 42b / upper, lower crus belts 43a, 43b / upper, lower crus bands 44a, 44b, support pad engaging belt 45 / upper, lower pad engaging belt / upper, lower rod engaging belt / upper, lower rod engagement The description of the stop belt) is omitted, and the illustration of the unsigned product is also omitted.
図２、３においては、３は接続手段で、特許請求の範囲に記載されたように「膝曲げ時において、揺動ロッド２が折れ曲りするよう、後方がヒンジ手段５で前方がヒンジ手段５を支点にして揺動ロッド２と連結した揺動部材３ｂの天端に形成する開脚面直下部に係合係止又は係止を開放する係合手段３１及び支持ロッド４の曲げ初めから揺動ロッド２が折れ曲るまでの全揺動量の復帰動を停止する係止手段７を備え」ている。 In FIGS. 2 and 3, reference numeral 3 denotes connection means. As described in the claims, “when the knee is bent, the swing rod 2 is bent, the rear is the hinge means 5, and the front is the hinge means 5. Oscillate from the beginning of the bending of the engagement means 31 and the support rod 4 to be engaged or released to the lower part of the opening leg surface formed at the top end of the oscillating member 3b connected to the oscillating rod 2 with the fulcrum as a fulcrum. It has locking means 7 for stopping the return movement of the entire swing amount until the rod 2 is bent .
接続手段３は、支持ロッド４と接続する支持部材３ａと揺動ロッド２と連結する揺動部材３ｂから構成され、支持部材３ａは回動の軸心に挿置した関節軸３３が、揺動部材３ｂの回動の軸心に設けた支承孔３２に回動可能に内嵌し、前後方向にのみ揺動自在に接続している。例えば、関節軸３３は、図２に示すように、２分割された関節軸３３ａ，３３ｂの分割部にコイルスプリング２８を介装し、このコイルスプリング２８が左右から挟み付けられた後、揺動部材３ｂに設けた支承孔３２ａ、３２ｂに内嵌してもよい。 The connecting means 3 is composed of a support member 3a connected to the support rod 4 and a swing member 3b connected to the swing rod 2, and the support member 3a swings a joint shaft 33 inserted at the pivot axis. The member 3b is rotatably fitted in a support hole 32 provided in the pivot axis of the member 3b, and is connected to be swingable only in the front-rear direction. For example, as shown in FIG. 2, the joint shaft 33 is provided with a coil spring 28 in a divided portion of the joint shafts 33a and 33b divided into two parts, and then swings after the coil spring 28 is sandwiched from the left and right. You may fit in the support holes 32a and 32b provided in the member 3b.
ヒンジ手段５は、連結する接続手段３の開脚戸と揺動ロッド２の開脚戸が開閉できるように、後方端同士を支点とする蝶番を取り付けることにする。この蝶番は一般的な製品でもよく、その場合、取付け部を特に堅牢化する必要がある。又は、蝶番を構成する右と左の部位を、接続手段３と揺動ロッド２に夫々分担させ、一体成形としてもよい。 The hinge means 5 is attached with a hinge having the rear ends as fulcrums so that the open door of the connecting means 3 to be connected and the open door of the swing rod 2 can be opened and closed. This hinge may be a general product, in which case it is necessary to make the mounting part particularly robust. Alternatively, the right and left parts constituting the hinge may be shared by the connecting means 3 and the swinging rod 2, respectively, and may be integrally formed.
すなわち、腰おろし体勢（一般に、足腰が弱った人たちが歩行途中に取る休憩）が必要な場合、揺動ロッド２の折れ曲りが必要であり、更に、折れ曲がりをスムーズに行うことが要求される。また、揺動ロッド２の折れ曲りに伴い、支持ロッド４の曲げ初めから揺動ロッド２が折れ曲るまでの全揺動量の復帰動を停止する必要が生じる。従い、接続手段３に備えた係合手段３１が、後方のヒンジ手段５を支点にして揺動ロッド２の折れ曲がりをスムーズにすることができる。また、接続手段３に備えた係止手段７が、支持ロッド４の曲げ始めから揺動ロッド２が折れ曲るまでの全揺動量の復帰動を停止することができる。 That is, when a lowering posture (generally, a rest taken by people with weak legs and legs) is required, the swinging rod 2 needs to be bent, and further, the bending is required to be smoothly performed. . Further, as the swing rod 2 is bent, it is necessary to stop the return movement of the total swing amount from the beginning of the bending of the support rod 4 until the swing rod 2 is bent . Accordingly, the engaging means 31 provided in the connecting means 3 can smoothly bend the swinging rod 2 with the rear hinge means 5 as a fulcrum. Further, the locking means 7 provided in the connecting means 3 can stop the return movement of the total swing amount from the start of bending of the support rod 4 until the swing rod 2 is bent .
３１は係合手段であって、特許請求の範囲に記載されたように「支持ロッド４に近接する揺動部材３ｂの後方壁に形成する屈座面には開脚面方向と平行して四角平ら状に凹む係支洞穴３７ａ、３７ｂと、係支洞穴３７ａ、３７ｂには屈座面方向と平行して四角平ら状に切欠いた係止窓３８ａ、３８ｂを設けた四角平ら形をした嵌合板３５ａ、３５ｂを出没可能に挿置し、開脚面（詳しくは、揺動部材３ｂの天端）直下部に係止窓３８ａ、３８ｂと交差させた四角柱状に凹む係合穴３６ａ、３６ｂと、係合穴３６ａ、３６ｂに挿置可能となる位置に、揺動ロッド２は開脚面と接合する折れ曲り面に突出され、開脚する方向と平行して前方に前屈部端を接続する勾玉形をした平ら状の係止鋼材２１ａ、２１ｂとを設け、膝曲げ（頭没）時においては嵌合板３５ａ、３５ｂの強制頭没により係止窓３８ａ、３８ｂが係止鋼材２１ａ、２１ｂの猫背面を圧縮して係合係止していた前屈部の係止を開放」する。 Reference numeral 31 denotes an engaging means, as described in the claims, “ a flat surface parallel to the leg surface direction on the buckling surface formed on the rear wall of the swinging member 3 b close to the support rod 4. The engagement holes 35a and 37b that are recessed in the shape of a square , and the engagement holes 35a and 37b that are provided with locking windows 38a and 38b that are notched in a flat shape parallel to the direction of the buckling surface. , and interposed to retractably to 35b, the open leg surface (specifically, the top end of the swing member 3b) and the engagement holes 36a, 36b which is recessed in a square pillar shape crossed just below portion Kakaritomemado 38a, and 38b, engagement The rocking rod 2 protrudes from the bent surface joined to the opening leg surface at a position where it can be inserted into the joint holes 36a, 36b, and the slanted ball shape connects the front bent end to the front in parallel with the opening direction. flat shaped engaging steel 21a in which the, and 21b provided, during knee flexing (head died) The fitting plate 35a, 38a Kakaritomemado by forced head deaths of 35b, 38b is opened the engagement of before屈部had been sealed engagement engagement to compress the cat back of the locking steel 21a, 21b "is.
上記係止鋼材２１は、所定の強度を有した丸鋼又は平ら鋼を用いて勾玉形（例えば、脚が開脚状態）に形成されており、係合穴３６に挿置可能な位置に設けられ、揺動ロッド２は開脚面と接合する折れ曲り面に突出されて開脚する方向と平行して前方に前屈部端が固定している。この係止鋼材２１の有するバネ機能の効力により、常に、元の（初期）位置に復帰する復帰力を有し、繰り返えし圧縮に対し、所定の引っ張り強さを低下させない。従い、膝曲げ（頭没）時に強制頭没した嵌合板３５により係止窓３８が係止鋼材２１の猫背面に圧縮が加えられ、歩行や走行（頭出）時に係止鋼材２１の猫背面から嵌合板３５に設けた係止窓３８に押し出しが加えられる。 The locking steel material 21 is formed in a ball shape (for example, a leg is in an open leg state) using round steel or flat steel having a predetermined strength, and is provided at a position where it can be inserted into the engagement hole 36. The rocking rod 2 is protruded from a bent surface joined to the leg opening surface, and the front bent portion end is fixed to the front in parallel with the direction of the leg opening. Due to the effect of the spring function of the locking steel material 21, it always has a return force to return to the original (initial) position, and does not reduce the predetermined tensile strength against repeated compression. Therefore, Kakaritomemado 38 by a knee bend the engagement plate 35 which died forced head (head died) during is added is compressed hunched surface of the locking steel 21, walking or running (head unloading) during cat back locking steel 21 Then , extrusion is applied to the locking window 38 provided on the fitting plate 35.
上記嵌合板３５は、四角平ら形に形成されており、係止鋼材２１が挿置する位置（例えば、係合穴３６）に四角平ら状に切欠いた係止窓３８が設けられている。従い、接続手段３に備えた係合手段３１が、歩行や走行動作時（例えば、頭出時：０°≦θ≦９０°）には係止窓３８が係止鋼材２１の猫背面から頭出が強制されて前屈部に係止するため、揺動ロッド２と連結機能を確実に果たす一方、膝曲げ時（例えば、頭没時：９０°≦θ≦１８０°）には係止窓３８が係止鋼材２１の猫背面を圧縮して前屈部から係止を開放するため、揺動ロッド２の折れ曲がりをスムーズにすることができる。 The fitting plate 35 is formed in a square flat shape, and a locking window 38 cut out in a square flat shape is provided at a position (for example, the engagement hole 36) where the locking steel material 21 is inserted. Therefore, when the engaging means 31 provided in the connecting means 3 is walking or running (for example, at the time of cueing: 0 ° ≦ θ ≦ 90 °), the locking window 38 is positioned from the back of the cat of the locking steel material 21 to the head. Because it is forced out and locked to the forward bent part, the connecting function with the rocking rod 2 is ensured, while the locking window is used when the knee is bent (for example, when the head is immersed: 90 ° ≦ θ ≦ 180 °). Since 38 compresses the cat back surface of the locking steel material 21 and releases the locking from the forward bent portion, the bending of the rocking rod 2 can be made smooth.
７は係止手段であって、特許請求の範囲に記載されたように「一端７１ａが揺動ロッド２の後方壁に係止し、他端７１ｂがヒンジ手段５の軸棒５１を支点にして後部（例えば、θ＝２７０°）の方向に縁巻き付勢する棒型又は板状の発条７１と、発条の他端７１ｂ先に直列接続する板形をした係合板７２と、係合板７２が併合する支持ロッド４の後方壁に板状に凹む係止溝４１とを備えた」ものである。 Reference numeral 7 denotes locking means, as described in the claims, "one end 71a is locked to the rear wall of the swinging rod 2, and the other end 71b is a shaft 51 of the hinge means 5 as a fulcrum. A rod-shaped or plate-like ridge 71 biased in the direction of the rear part (for example, θ = 270 °) , a plate-shaped engagement plate 72 connected in series to the other end 71b of the ridge , and an engagement plate 72 The rear wall of the supporting rod 4 to be merged is provided with a locking groove 41 recessed in a plate shape.
上記発条７１は、所定の強度を有した棒型又は板状の鋼材を使用することとし、バネ機能の効力により、常に、元（初期）の位置に復帰する曲げ戻し力を有し、繰り返えし圧縮に対し、所定の引っ張り強さを低下させない。従い、係止手段７を備えた接続手段３は、揺動ロッド２の折れ曲がりに伴い、曲げられた発条の一端７１ａに生じる曲げ戻し力を、発条の他端７１ｂを通して係合板７２に押し当て力として付与することにより、係合板７２が支持ロッド４の後壁面に形成した係止溝４１に併合するため、支持ロッド４の曲げ始めから揺動ロッド２が折れ曲るまでの全揺動量の復帰動（逆回動）を停止するものである。 The above-mentioned ridge 71 uses a rod-shaped or plate-shaped steel material having a predetermined strength, and has a bending back force that always returns to the original (initial) position due to the effect of the spring function. The predetermined tensile strength is not reduced against the compression. Accordingly, the connecting means 3 provided with the locking means 7 pushes the bending return force generated at the one end 71a of the bent ridge with the bending of the swing rod 2 to the engaging plate 72 through the other end 71b of the ridge. Since the engaging plate 72 is merged with the locking groove 41 formed on the rear wall surface of the support rod 4, the total swing amount from the start of bending of the support rod 4 to the bending of the swing rod 2 is restored. The movement (reverse rotation) is stopped.
図４、５においては、６は板状の復帰バネ手段であり、特許請求の範囲に記載されたように「接続手段３の外側に設けられて揺動ロッド２に対し、曲げられた支持ロッド４に復元力を付与する…（一部省略）…少なくとも内周面が円弧形で外周面６１との間に支持ロッド４と連結し且つ支持ロッド４の長軸方向に対し略平行となる第一の切り込み部６ａと、接続手段３と連結し且つ揺動ロッド２の長軸方向に対し、破線６ｃで示された略平行〜実線６ｂで示された略直交する領域内に形成される第二の切り込み部６ｂとを設け、第一の切り込み部６ａに対し、近接させた第二の切り込み部６ｂに生じる復帰力を揺動ロッド２の復元力と」したものである。 4 and 5, reference numeral 6 denotes a plate-like return spring means. As described in the claims, “a support rod that is provided outside the connection means 3 and is bent with respect to the swing rod 2. 4. Restoring force is applied to 4 ... (partially omitted) ... At least the inner peripheral surface is arcuate and is connected to the support rod 4 between the outer peripheral surface 61 and substantially parallel to the major axis direction of the support rod 4 a first cut portion 6a, to the long axis direction of the connection means 3 connected to the to and swinging rod 2, Ru is formed in a region substantially perpendicular indicated by substantially parallel-solid 6b shown by a broken line 6c The second notch 6b is provided, and the restoring force generated in the second notch 6b close to the first notch 6a is referred to as the restoring force of the rocking rod 2. "
復帰バネ手段６は、軸心部をＶの字形に複数切り裂いた穂先６２を内又は外捲れして開くアーチ状（例えば、内周面が円弧形）のすぼみ孔６３を設けている、また、外周面６１は円形又は円形に近い楕円形或は円形に近い多数角形に形成している。而も、円周の１／２〜１／４（例えば、θ＝１８０°〜９０°）が切り欠かれた平板を使用することとし、いずれの切り欠き角度であっても支持ロッド４が揺動する揺動領域θ＝略９０°が保たれ、全揺動量（例えば、図５の右側）を過ぎれば、腰おろし（揺動ロッド２の折れ曲がりが強制される）体勢に切り変わる。 The return spring means 6 is provided with an arcuate hole 63 (for example, the inner peripheral surface is arc-shaped) that opens by internally or outwardly twisting a tip 62 having a plurality of slits in a V shape. The outer peripheral surface 61 is formed in a circular shape or an elliptical shape close to a circular shape or a multi-angle shape close to a circular shape. Thus also, the circumference of the 1 / 2-1 / 4 (e.g., θ = 180 ° ~90 °) and the use of the cut-out flat, in either notch angle support rod 4 pivoting The moving swing region θ = approximately 90 ° is maintained, and when the total swing amount (for example, the right side of FIG. 5) is passed, the posture changes to a posture of lowering the seat (forcing the swing rod 2 to be bent).
すなわち、復帰バネ手段６の復帰力は、所定の水平捻り耐力であり、汎用性を広げる目的から、４品種程度で、体重の８０〜６０％に相当する規格（例えば、３０、４０、５５、６５ｋｇ）に仕上げている。これにより、体重が３９ｋｇ以下であれば規格３０を選択し、４９ｋｇ以下であれば規格４０又は３０を選択し、６９ｋｇ以下であれば規格５５又は４０を選択することにする。この復帰力は面積又は板厚或は付加材料（例えば、積層構造）にて対応することにする。 That is, the return force of the return spring means 6 is a predetermined horizontal torsion strength, and for the purpose of widening versatility, there are about four types of standards (for example, 30, 40, 55, 65kg). Accordingly, when the weight is 39 kg or less, the standard 30 is selected, when the weight is 49 kg or less, the standard 40 or 30 is selected, and when the weight is 69 kg or less, the standard 55 or 40 is selected. This restoring force corresponds to the area, the plate thickness, or an additional material (for example, a laminated structure).
上記復帰バネ手段６は、炭素を０，５〜１，０％含有する中高炭素鋼と、これにＳｉ−Ｍｎ，Ｍｎ−Ｃｒ，Ｃｒ−Ｖ，Ｍｎ−Ｃｒ−Ｂ，Ｓｉ−Ｃｒ，Ｃｒ−Ｍｏなどを添加した合金鋼の計９種類がＪＩＳで規定されており、その製造工程には素材―熱間・冷却成形―焼き入れ・焼きもどしの他、素材―パテンティング処理―冷間加工・素材―焼き入れ・焼きもどし―冷間成形した鋼材、強化プラスチック、炭素繊維複合材などの軽量素材で、汎用性と即応性を満足する製品から選択することにする。 The return spring means 6 includes medium to high carbon steel containing 0.5 to 10% of carbon, Si—Mn, Mn—Cr, Cr—V, Mn—Cr—B, Si—Cr, Cr— Nine kinds of alloy steels with Mo added are stipulated by JIS, and the manufacturing process includes materials-hot, cold forming-quenching and tempering, materials-patenting treatment-cold working, Materials-Quenching and tempering-Lightweight materials such as cold-formed steel, reinforced plastics, carbon fiber composites, and other products that meet versatility and responsiveness will be selected.
而も、復帰バネ手段６は、図４の右図に示すように、内周面にすぼみ孔６３が設けられており、このすぼみ孔６３に接続手段３の外側に接続する補助軸３４が挿置（例えば、図５の右側）される。内捲れする場合は、接続手段３の外側に接続する短身補助軸３４を挿置し、外側円錐部の外張り出しを容易にしている。外捲れする場合は、接続手段３の外側に接続する図示しない長身補助軸を挿置し、外側円錐部の内張り出しを容易にしている。製品は、短身補助軸２３ａを使用し、穂先６２が内捲れする方式を採用することにする。 In the return spring means 6, as shown in the right view of FIG. 4, a recess hole 63 is provided on the inner peripheral surface, and an auxiliary shaft 34 connected to the outside of the connection means 3 is inserted into the recess hole 63. (For example, on the right side of FIG. 5). In the case of inner turning, a short auxiliary shaft 34 connected to the outside of the connecting means 3 is inserted to facilitate the outward projection of the outer cone portion. In the case of external bending, a tall auxiliary shaft (not shown) connected to the outside of the connecting means 3 is inserted to facilitate the overhanging of the outer cone portion. The product uses a short auxiliary shaft 23a and adopts a method in which the tip 62 falls inside.
図５に示すように、復帰バネ手段６は、第一の切り込み部６ａと支持ロッド４、第二の切り込み部６ｂと接続手段３とが四角板形の湾曲する第一、第二捻り鋼板６６ａ、６６ｂを介装して連結している。この第一、第二捻り鋼板６６ａ、６６ｂは、復帰バネ手段６に水平捻りを加える際に、外張り出し変位（例えば、図５の右側）に夫々対応するよう、中腹部に補助軸３４の軸心方向に対して湾窟する湾曲部を設けている。この第一、第二捻り鋼板６６ａ、６６ｂは、初期（例えば、図５の左側）においては、復帰バネ手段６の中立性が保たれた状態で堅牢に介装している。 As shown in FIG. 5, the return spring means 6 includes first and second twisted steel plates 66a in which the first notch 6a and the support rod 4, the second notch 6b and the connecting means 3 are square plate-shaped. , 66b. The first and second twisted steel plates 66a and 66b are provided with the axis of the auxiliary shaft 34 on the middle abdomen so as to correspond to the overhanging displacement (for example, the right side in FIG. 5) when applying horizontal twist to the return spring means 6, respectively. There is a curved part that runs into the cavernous direction. The first and second twisted steel plates 66a and 66b are firmly inserted in the initial state (for example, the left side of FIG. 5) while maintaining the neutrality of the return spring means 6.
更に、復帰バネ手段６は、第一の切り込み部６ａに平行して第一捻り鋼板６６ａの先端に形成する円筒形の第一継続筒６７ａを回動可能（例えば、回動角θ＝４０°前後）に挟み付けるＬの字平ら形の第一用内、外捻り金具６４ａ、６４ｂ同士が背併せ式に連結し、第二の切り込み部６ｂに併行して第二捻り鋼板６６ｂの先端に形成する円筒形の第二継続筒６７ｂを回動可能（例えば、回動角θ＝４０°前後）に挟み付けるＬの字平ら形の第二用内、外捻り金具６５ａ、６５ｂ同士が背併せ式に連結している。これにより、水平捻りを加える動作を円滑に行うことができる。 Further, the return spring means 6 can turn a cylindrical first continuous cylinder 67a formed at the tip of the first twisted steel plate 66a in parallel with the first cut portion 6a (for example, a rotation angle θ = 40 °). L-shaped first inner and outer torsion fittings 64a and 64b sandwiched between the front and rear) are connected back-to-back, and formed at the tip of the second twisted steel plate 66b in parallel with the second notch 6b. The cylindrical second continuous cylinder 67b that can be rotated (for example, rotation angle θ = about 40 °) is sandwiched between L-shaped flat second inner and outer torsion fittings 65a and 65b. It is linked to. Thereby, the operation | movement which adds a horizontal twist can be performed smoothly.
すなわち、復帰バネ手段６は、避難動作の膝曲げエネルギーを回収するものであり、水平捻りが加えられて生じる復帰力を、曲げられた支持ロッド４に揺動ロッド２の復元力として付与することにより、脚に踏ん張り力から跳ね上げ力を力添えしてくれる。 That is, the return spring means 6 collects the knee bending energy of the evacuation operation, and applies a return force generated by applying a horizontal twist to the bent support rod 4 as a restoring force of the swing rod 2. This will give you the power to lift the leg from the tension force.
上記構成から、本発明の脚の動作補助具１の取り付け手順と効力を説明すると、直立体勢の場合、健常者が安全と安定した姿勢が確保された場所にて本製品１を取り出し、支持ロッド４に接合された上段、下段下腿パット４２ａ、４２ｂに、ふくらはぎ、足首に巻き付ける上段、下段下腿バンド４４ａ、４４ｂを接続する。継いて、揺動ロッド２に接合された大腿パット２２に、太ももの上方に巻き付ける大腿バンド２４を接続する。 From the above configuration, the attachment procedure and effectiveness of the leg motion assisting tool 1 of the present invention will be described. In the case of a straight three-dimensional force, the product 1 is taken out at a place where a healthy person has secured a safe and stable posture, and the support rod The upper and lower crus bands 44a and 44b that are wound around the calves and ankles are connected to the upper and lower crus pads 42a and 42b joined to 4. Subsequently, the thigh band 24 wound around the upper part of the thigh is connected to the thigh pad 22 joined to the rocking rod 2.
又は、腰おろし体勢の場合、健常者が支持ロッド４に接合された上段、下段下腿パット４２ａ、４２ｂに、ふくらはぎ、足首に巻き付ける上段、下段下腿バンド４４ａ、４４ｂを接続し、立ち上がった際に、揺動ロッド２に接合された大腿パット２２に、太ももの上方に巻き付ける大腿バンド２４を接続する。いずれも一体感不足の大腿バンド２４や上段、下段下腿バンド４４ａ，４４ｂは巻き付け増しを施すことで、本願発明の脚の動作補助具１の取り付けが完了する。 Or, in the case of a lower back posture, when a healthy person is connected to the upper and lower crus pads 42a and 42b joined to the support rod 4, the upper and lower crus bands 44a and 44b are wound around the ankles, A thigh band 24 wound around the upper part of the thigh is connected to the thigh pad 22 joined to the swing rod 2. In any case, the thigh band 24 and the upper and lower crus bands 44a and 44b lacking a sense of unity are wound and the attachment of the leg movement aid 1 of the present invention is completed.
継いて、腰おろし体勢から水平な地盤面に両足を揃え、膝の前方ずらしから曲げた脚を伸ばして立ち上がる。そして、直立体勢から前方に伸ばした脚に体重を乗せて膝曲げを意識する。すると、膝曲げの意識とともに、復帰バネ手段６に水平捻りが加えられたことにより生じる水平捻り耐力（復帰力）は、揺動ロッド２に踏ん張り力を力添えする。さらに、この復帰力は、揺動ロッド２に対し、曲げられた支持ロッド４に跳ね上げ力を力添えすることができる。 Next, get your legs up on the horizontal ground from your lower back, and stand up with your bent legs extended from the front of your knee. And he puts his weight on the leg extended forward from the straight three-dimensional posture and is conscious of knee bending. Then, along with the consciousness of knee bending, the horizontal torsion resistance (returning force) generated by applying horizontal torsion to the return spring means 6 adds a tension force to the swing rod 2. Further, this restoring force can apply a springing force to the bent support rod 4 against the swinging rod 2.
以下、上記構成の動作を説明すると、緊急避難時に、筋肉疲労や関節痛に見舞われることを想定し、健常者の脚に一体固定することで、避難動作の膝曲げエネルギーが復帰バネ手段６に水平捻りを加えて生じる復帰力を、曲げられた支持ロッド４に揺動ロッド２の復元力として付与することにより、脚に踏ん張り力から跳ね上げ力を力添えするため、歩行や走行動作を補助してくれる。 Hereinafter, the operation of the above configuration will be described. Assuming that during emergency evacuation, muscle fatigue and joint pain are assumed, and the knee bending energy of the evacuation operation is transferred to the return spring means 6 by being integrally fixed to the leg of a healthy person. By applying the restoring force generated by applying a horizontal twist to the bent support rod 4 as a restoring force of the swing rod 2, the leg is given a lifting force from the tension force to assist the walking and running movement. Hey.
また、接続手段３に備えた係合手段３１が、後方のヒンジ手段５を支点にして揺動ロッド２の折れ曲がりをスムーズにし、歩行動作から腰おろし体勢・腰おろし体勢から歩行動作への俊敏な動きを邪魔しない。而も、接続手段３に備えた係止手段７が、支持ロッド４の曲げ初めから揺動ロッド２が折れ曲るまでの全揺動量の復帰動を停止して膝への負担を無くして安息姿勢を維持することができる。 Further, the engaging means 31 provided in the connecting means 3 makes the swing rod 2 bend smoothly with the rear hinge means 5 as a fulcrum, and agility from the walking motion to the lowering posture or from the lowering posture to the walking motion. Do not disturb the movement. The locking means 7 provided in the connecting means 3 stops the return movement of the total swing amount from the beginning of the bending of the support rod 4 until the swing rod 2 bends, and relieves the burden on the knee. The posture can be maintained.
上記の係合手段３１は、歩行や走行動作時に嵌合板３５に設けた係止窓３８が係止鋼材２１の猫背面から頭出が強制されて前屈部に係止するため、揺動ロッド２と連結機能を確実に果たす一方、膝曲げ時に頭没が強制された嵌合板３５は設けた係止窓３８が係合穴３６に挿置された係止鋼材２１の猫背面を圧縮して係合係止していた前屈部の係止を開放するため、揺動ロッド２の折れ曲がりをスムーズにすることができる。 The engaging means 31 has a rocking rod because the locking window 38 provided in the fitting plate 35 is forced from the back surface of the locking steel material 21 and locked to the forward bending portion during walking or running operation. while fulfill 2 and connecting function reliably, the engagement plate 35 which heads deaths is forced during the bending knees compresses the cat back locking steel 21 Kakaritomemado 38 is interposed engagement hole 36 provided Since the locking of the forward bent portion that has been engaged and locked is released , the swinging rod 2 can be bent smoothly.
上記の係止手段７は、揺動ロッド２の折れ曲がりに伴い、曲げられた発条の一端７１ａに生じる曲げ戻し力を、発条の他端７１ｂを通して係合板７２に押し当て力として付与することにより、係合板７２が支持ロッド４に形成した係止溝４１に併合するため、支持ロッド４の曲げ初めから揺動ロッド２が折れ曲がるまでの全揺動量の復帰動を停止できるという効果を発揮する。 The above-mentioned locking means 7 gives a bending return force generated at one end 71a of the bent ridge as the urging rod 2 bends to the engaging plate 72 as a pressing force through the other end 71b of the ridge, Since the engagement plate 72 is merged with the locking groove 41 formed in the support rod 4, it is possible to stop the return movement of the entire swing amount from the beginning of the bending of the support rod 4 until the swing rod 2 is bent .
１……脚の動作補助具
２……揺動ロッド
２１ａ，ｂ…係止鋼材（左、右）
２２…大腿パット
２３…大腿ベルト
２４…大腿バンド
３……接続手段
３１…係合手段
３２ａ，ｂ…支承孔（左、右）
３３ａ，ｂ…関節軸（左、右）
３４…補助軸
３５ａ，ｂ…嵌合板（左、右）
３６ａ，ｂ…係合穴（左、右）
３７ａ，ｂ…係支洞穴（左、右）
３８ａ，ｂ…係止窓（左、右）
４……支持ロッド
４１…係止溝
４２ａ、ｂ…上段、下段下腿パット
４３ａ，ｂ…上段、下段下腿ベルト
４４ａ，ｂ…上段、下段下腿バンド
５……ヒンジ手段
５１…軸棒
６……復帰バネ手段
６ａ，ｂ…第一、第二の切り込み部
６１…外側面
６２…穂先
６３…すぼみ孔
６４ａ，ｂ…第一用内、外捻り金具
６５ａ，ｂ…第二用内、外捻り金具
６６ａ、ｂ……第一、第二捻り鋼板
６７ａ、ｂ…第一、第二継続筒
７…係止手段
７１ａ，ｂ……発条の一端、他端
７２…係合板
1 ... Leg motion assisting tool 2 ... Swing rods 21a, b ... Locking steel (left, right)
22 ... thigh pad 23 ... thigh belt 24 ... thigh band 3 ... connection means 31 ... engagement means 32a, b ... bearing holes (left and right)
33a, b ... joint axes (left, right)
34 ... auxiliary shafts 35a, b ... fitting plates (left, right)
36a, b ... engagement holes (left, right)
37a, b ... Branch caves (left, right)
38a, b ... Locking windows (left, right)
4... Support rod 41... Locking grooves 42 a and b. Upper and lower crus pads 43 a and b. Upper and lower crus belts 44 a and b. Upper and lower crus bands 5... Hinge means 51. Spring means 6a, b ... 1st, 2nd cut part 61 ... Outer side surface 62 ... Tip 63 ... Recessed hole 64a, b ... Inside for first use, external twist metal fitting 65a, b ... Inside for second use, external twist metal fitting 66a , B... First and second twisted steel plates 67a, b... First and second continuous cylinders 7... Locking means 71a, b.
Claims (4)
前記復帰バネ手段は、少なくとも内周面が円弧形で外周面との間に前記支持ロッドと連結し且つ前記支持ロッドの長軸方向に対し略平行となる第一の切り込み部と、前記接続手段と連結し且つ前記第一の切り込み部に対し略１８０°〜略２７０°の領域内に形成される第二の切り込み部とを設け、前記第一の切り込み部に対し、近接させた前記第二の切り込み部に生じる復帰力を前記揺動ロッドの復元力としたことを特徴とする脚の動作補助具。 A long rocking rod that interposes the thigh, a long support rod that is connected to the lower part of the rocking rod and interposes the crus, and is provided on the upper part of the support rod. A connecting means for swingably connecting the support rod to the moving rod only in the front-rear direction, and a restoring force that is provided outside the connecting means and applied to the bent support rod with respect to the swinging rod comprising a plate-shaped return spring means, the,
The return spring means includes at least a first cut portion that has an arcuate inner peripheral surface and is connected to the support rod between the outer peripheral surface and substantially parallel to the longitudinal direction of the support rod; and a second cut portion which is formed in a substantially 180 ° ~ approximately 270 ° in the region to connect the means and the first cut portion is provided, the relative first cut portion, said first brought close A leg motion assisting tool characterized in that a restoring force generated in the second cut portion is a restoring force of the swing rod.
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| JP2013154453A JP5519843B1 (en) | 2013-07-25 | 2013-07-25 | Leg movement aids |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5126919B1 (en) * | 2012-04-09 | 2013-01-23 | 英治 川西 | Walking assist device |
| JP2013078526A (en) * | 2011-10-05 | 2013-05-02 | Yoichi Endo | Knee brace |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013078526A (en) * | 2011-10-05 | 2013-05-02 | Yoichi Endo | Knee brace |
| JP5126919B1 (en) * | 2012-04-09 | 2013-01-23 | 英治 川西 | Walking assist device |
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