JP4355788B2 - A manufacturing method of a tightening buckle of a long tightening body. - Google Patents

A manufacturing method of a tightening buckle of a long tightening body. Download PDF

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JP4355788B2
JP4355788B2 JP2008042279A JP2008042279A JP4355788B2 JP 4355788 B2 JP4355788 B2 JP 4355788B2 JP 2008042279 A JP2008042279 A JP 2008042279A JP 2008042279 A JP2008042279 A JP 2008042279A JP 4355788 B2 JP4355788 B2 JP 4355788B2
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shaft
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今戸啓二
三浦篤義
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国立大学法人 大分大学
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Description

本発明は、物品をパレットに、あるいはトラックやコンテナの荷台に固定するのに用いる荷締めベルトやベルト長さ調節等に用いる長尺緊締体の締バックルの製造方法に関するものである。 The present invention relates to a method of manufacturing a tightening buckle for a long tightening body used for fixing a load tightening belt or belt length used for fixing an article to a pallet or a platform of a truck or a container.

市販の例えばベルトの長さを調整する器具はバックルと呼ばれ、ベルトを固定する・緩める、のようにオンとオフの機能しかない。また、経験的に摩擦を応用して固定する方法である。
最近、種々の用途のものに使用される紐、ベルト等を締結することができるとともに、バックル自身の位置設定を容易に行うことができる紐締バックルが特許文献１により提供された。
特許文献１に紹介された紐締バックルを図２７に示す。図２７において、上記紐締バックル010は、開口部035を与えるように一体に形成され所定の厚みを有する外周部032を備えた本体030と、三角形状の断面を有し、この断面の一辺を物体060の表面と平行な外側面とし、かつこの外側面に対向する頂部を物体側に位置するよう配置されているバー020と、互いに間隔を置いて配置された外周部032における縁部034であって、この縁部が物体の表面に平行な水平面部とバーに面する側に設けられ水平面部に垂直な垂直面部038とを備えた紐050を担持するための内側下端部を有してなる縁部034とを有し、縁部034の下端部には物品060の表面に平行な水平面部036、内方に面しかつ物体060に対して垂直な垂直面部038を備えている。水平面部036には、梨地状にあるいは細かな凹凸を有する表面にされていて、図示しない滑り止めが設けられている。
紐締バックル010は、物品に巻きつけたベルトの両端部各々を本体030の下方から挿入し各バー020に巻き付ける所謂ベルト050掛けし、そのリターン側ベルトを縁部034の下方を通して本体030の両外方に引き出して、このリターン側ベルトを引っ張り、そのベルト表面が接触する縁部034の下端水平面部036の滑り止めで巻きベルトの緩み戻りを防止しようとするものである。
特開２００３−９９１０号公報 A commercially available device that adjusts the length of the belt, for example, is called a buckle and has only an on / off function such as fixing and loosening the belt. Moreover, it is the method of fixing by applying friction empirically.
Recently, Patent Document 1 provides a string-fastening buckle that can fasten strings, belts, and the like used for various purposes and can easily set the position of the buckle itself.
The lacing buckle introduced in Patent Document 1 is shown in FIG. In FIG. 27, the lacing buckle 010 has a main body 030 that is integrally formed to give an opening 035 and has an outer peripheral portion 032 having a predetermined thickness, and a triangular cross section. A bar 020 that is arranged on the outer side parallel to the surface of the object 060 and whose top portion facing the outer surface is located on the object side, and an edge 034 in the outer peripheral part 032 that is arranged at a distance from each other The edge has an inner lower end for carrying a string 050 provided with a horizontal plane parallel to the surface of the object and a vertical plane 038 perpendicular to the horizontal plane provided on the side facing the bar. The edge portion 034 is provided with a horizontal surface portion 036 parallel to the surface of the article 060 and a vertical surface portion 038 facing inward and perpendicular to the object 060 at the lower end portion of the edge portion 034. The horizontal surface portion 036 has a satin-like surface or a surface having fine irregularities and is provided with a non-slip stopper (not shown).
A string buckle 010 is formed by inserting both ends of a belt wound around an article from the lower side of the main body 030 and hooking a so-called belt 050 to be wound around each bar 020, and passing the return side belt below the edge 034 on both sides of the main body 030. The belt on the return side is pulled out and pulled, and the belt surface is brought into contact with the lower end horizontal surface portion 036 of the edge portion 034 to prevent the winding belt from coming loose.
JP 2003-9910 A

しかしながら、前記紐締バックルは、前記リターン側紐を両外方に引っ張り、物品を強く締め付けなければ、リターン側紐の表面と、縁部034の下端水平面部036の滑り止めとの圧接による、紐の緩み戻りを防止することが出来ない。またこの紐による締め付け解除は、紐締バックル自体の一部を物品から離すなどして、リターン側紐の表面と前記滑り止めとの圧接を緩めなければならない煩雑さを伴うものである。
本発明は、簡単な機構によりバックル自体を動かすことなく、長尺緊締体掛けした回動アームのワンタッチ操作で、長尺緊締体変更軸に二重に巻き付けた長尺緊締体を強圧接・迅速弛緩することにより物品の締め付けとその解除を容易かつ確実に行う長尺緊締体の締バックルの製造方法を提供するものである。 However, if the string side buckle pulls the return side string outwards and does not tighten the article strongly, the string side buckle is formed by pressure contact between the surface of the return side string and the anti-slip of the lower end horizontal surface part 036 of the edge part 034. It is not possible to prevent the slack return. Further, the release of the tightening by the string is accompanied by the trouble that the pressure contact between the surface of the return side string and the anti-slip must be loosened by separating a part of the string tightening buckle from the article.
The present invention provides a simple press mechanism that allows a long tightening body wound twice on a long tightening body changing shaft to be pressed strongly and quickly by a one-touch operation of a rotating arm hung on the long tightening body without moving the buckle itself. A method for producing a tightening buckle of a long tightening body that easily and reliably tightens and releases an article by relaxing.

本発明は、この課題を解決した優れた長尺緊締体の締バックルの製造方法である。その特徴とするところは、つぎの(1)〜(3)の通りである。
(1)、被締め物体の表面に裏面を当接するバックル枠体にその側方から長尺緊締体の端部を挿入して軸に巻き付ける長尺緊締体の締バックルにおいて、前記バックル枠体の片側に、又は両側各々に、前記長尺緊締体の端部の挿入方向と直交する長尺緊締体変更軸を設けると共に、一端部を前記長尺緊締体変更軸の両側に回転可能に枢着しバックル表面側で回動可能にした一対の回動アームを設け、前記一対の回動アームの他端部に前記長尺緊締体変更軸に対して平行に長尺緊締体掛け桿を設け、前記回動アームを長尺緊締体変更軸を中心に長尺緊締体挿入側に回動移動可能にし、長尺緊締体の端部をバックル枠体の側方から挿入して、その表面を前記長尺緊締体変更軸の周面の一部に巻いて方向変更し、その後、前記長尺緊締体掛け桿の周面の一部に巻いてループ掛けし、次いで前記長尺緊締体変更軸の周面と、先に巻いた部分の表面との間に挿入して二重掛け状態に巻き付けて挿入側に引き出してリターン側にした長尺緊締体を締めた後に回動アームを長尺緊締体の挿入側に回動し倒しての固定は、前記長尺緊締体変更軸の二重巻き付き前の挿入側にある長尺緊締体の張力T1と二重掛け状態に巻き付けて挿入側に引き出してリターン側にした長尺緊締体の張力T4との関係が、長尺緊締体と長尺緊締体変更軸及び長尺緊締体掛け桿との摩擦係数をμ，長尺緊締体同士の摩擦係数をμb、長尺緊締体の巻き付け角をθij とすると、T1＞T4である場合は数1となり、T1＜T4である場合は数4とすると共に、
回動アームを反挿入側に回動しての長尺緊締体の上記固定の解除は、前記長尺緊締体変更軸の二重巻き付き前の挿入側にある長尺緊締体の張力T1と二重掛け状態に巻き付けて挿入側に引き出してリターン側にした長尺緊締体の張力T4との関係が、長尺緊締体と長尺緊締体変更軸及び長尺緊締体掛け桿との摩擦係数をμ，長尺緊締体同士の摩擦係数をμb、長尺緊締体の巻き付け角をθij とすると、T1＞T4である場合は数1となり、T1＜T4である場合は数4となる The present invention is an excellent method for manufacturing a tightening buckle of a long tightening body that solves this problem. The features are as follows (1) to (3).
(1) In the tightening buckle of the long tightening body in which the end of the long tightening body is inserted from the side into the buckle frame body abutting the back surface on the surface of the object to be tightened and wound around the shaft, the buckle frame body A long tightening body changing shaft orthogonal to the insertion direction of the end of the long tightening body is provided on one side or both sides, and one end is pivotally attached to both sides of the long tightening body changing shaft. A pair of rotating arms that are rotatable on the buckle surface side, and a long elastic body hanging rod parallel to the long elastic body changing shaft is provided at the other end of the pair of rotating arms, The pivot arm can be pivotally moved to the long elastic body insertion side about the long elastic body changing shaft, the end of the long elastic body is inserted from the side of the buckle frame body, and the surface thereof is Wind around a part of the peripheral surface of the long elastic body changing shaft and change the direction. Wrap it around the loop and loop it, then insert it between the circumference of the long tightening body changing shaft and the surface of the previously wound part, wind it in a double hanging state, pull it out to the insertion side and return it to the return side After tightening the long tightening body, the rotation arm is rotated to the insertion side of the long tightening body and fixed to the insertion side before double winding of the long tightening body changing shaft. body relationship between the tension T 1 and the tension T 4 of the elongate clamping member which is the return side pulled out the insertion side wrapped double hook state of elongated clamping body and an elongated clamping body change shaft and the elongated clamping Assuming that the coefficient of friction with the body hook is μ, the coefficient of friction between the long elastic bodies is μ b , and the winding angle of the long elastic bodies is θ ij , the equation is 1 when T 1 > T 4 and T 1 <If T 4 is set to Equation 4,
Release of the above-mentioned fixation of the long elastic body by rotating the rotating arm to the non-insertion side is performed by the tension T 1 of the long elastic body on the insertion side before double winding of the long elastic body changing shaft. relationship between the tension T 4 of the return side is pulled out to the insertion side is wound around the double-seat state elongate clamping body, friction between the elongate clamping member and the elongate clamping member change shaft and the elongate clamping member hanging rod If the coefficient is μ, the coefficient of friction between long elastic bodies is μ b , and the winding angle of the long elastic bodies is θ ij , then if T 1 > T 4 , then Equation 1 and T 1 <T 4 Becomes the number 4

Figure 0004355788
Figure 0004355788

Figure 0004355788
ことを特徴とする長尺緊締体の締バックルの製造方法。
(2)、バックル枠体に、回動アームを固定するストッパーを設けた上記(2)に記載の長尺緊締体の締バックルの製造方法。
(3)、被締め物体の表面に裏面を当接するバックル枠体にその側方から長尺緊締体の端部を挿入して軸に巻き付ける長尺緊締体の締バックルにおいて、前記バックル枠体の片側に、又は両側各々に、前記長尺緊締体の端部の挿入方向と直交する長尺緊締体変更軸を設けると共に、一端部を前記長尺緊締体変更軸の両側に回転可能に枢着しバックル表面側で回動可能にした一対の回動アームを設け、前記一対の回動アームの他端部に前記長尺緊締体変更軸に対して平行に長尺緊締体掛け桿を設け、前記回動アームを長尺緊締体変更軸を中心に長尺緊締体挿入側に回動移動可能にし、長尺緊締体の端部をバックル枠体の側方から挿入して、その表面を前記長尺緊締体変更軸の周面の一部に巻いて方向変更し、その後、前記長尺緊締体掛け桿の周面の一部に巻いてループ掛けし、次いで前記長尺緊締体変更軸の周面と、先に巻いた部分の表面との間に挿入して二重掛け状態に巻き付けて挿入側に引き出してリターン側にした長尺緊締体を締めた後に回動アームを長尺緊締体の挿入側に回動し倒しての固定は、前記長尺緊締体変更軸の外側巻きで長尺緊締体掛け桿に亘る直線状の長尺緊締体の位置をアーム後端の回動軸位置より被締め付け物体側にすると共に、前記長尺緊締体変更軸の二重巻き付き前の挿入側にある長尺緊締体の張力T1と二重掛け状態に巻き付けて挿入側に引き出してリターン側にした長尺緊締体の張力T4との関係が、長尺緊締体と長尺緊締体変更軸及び長尺緊締体掛け桿との摩擦係数をμ，長尺緊締体同士の摩擦係数をμb、長尺緊締体の巻き付け角をθij とすると、T1＞T4である場合は数1となり、T1＜T4である場合は数4となると共に、
回動アームを反挿入側に回動しての長尺緊締体の上記固定の解除は、前記長尺緊締体変更軸の二重巻き付き前の挿入側にある長尺緊締体の張力T1と二重掛け状態に巻き付けて挿入側に引き出してリターン側にした長尺緊締体の張力T4との関係が、長尺緊締体と長尺緊締体変更軸及び長尺緊締体掛け桿との摩擦係数をμ，長尺緊締体同士の摩擦係数をμb、長尺緊締体の巻き付け角をθij とすると、T1＞T4である場合は前記数1となり、T1＜T4である場合は前記数4となる
ことを特徴とする長尺緊締体の締バックルの製造方法。
Figure 0004355788
 A method for producing a tightening buckle of a long tightening body.
(2) The method for producing a tightening buckle for a long tightening body according to (2), wherein the buckle frame body is provided with a stopper for fixing the rotating arm.
(3) In the tightening buckle of the long tightening body, the end of the long tightening body is inserted from the side of the buckle frame that abuts the back surface of the object to be tightened and wound around the shaft. A long tightening body changing shaft orthogonal to the insertion direction of the end of the long tightening body is provided on one side or both sides, and one end is pivotally attached to both sides of the long tightening body changing shaft. A pair of rotating arms that are rotatable on the buckle surface side, and a long elastic body hanging rod parallel to the long elastic body changing shaft is provided at the other end of the pair of rotating arms, The pivot arm can be pivotally moved to the long elastic body insertion side about the long elastic body changing shaft, the end of the long elastic body is inserted from the side of the buckle frame body, and the surface thereof is Wind around a part of the peripheral surface of the long elastic body changing shaft and change the direction. Wrap it around the loop and loop it, then insert it between the circumference of the long tightening body changing shaft and the surface of the previously wound part, wind it in a double hanging state, pull it out to the insertion side and return it to the return side After fixing the long tightening body, the rotation arm is rotated to the insertion side of the long tightening body and fixed by rotating the long tightening body on the outer side of the long tightening body changing shaft. The position of the long elastic tightening body is set to the object to be tightened from the rotation axis position of the rear end of the arm, and the tension T of the long elastic tightening body on the insertion side before double winding of the long elastic body changing shaft 1 and the tension T 4 of the long tightening body wound in a double-hanging state, pulled out to the insertion side, and returned to the return side, the long tightening body, the long tightening body changing shaft and the long tightening body hanging rod the friction coefficient mu, the coefficient of friction between the elongated clamping body mu b, when the winding angle of the long clamping body and θ ij, T 1> T 4 In some cases the number 1, and with the case of T 1 <T 4 becomes Equation 4,
Release of the above-mentioned fixation of the long elastic body by rotating the rotating arm to the non-insertion side is performed by the tension T 1 of the long elastic body on the insertion side before double winding of the long elastic body changing shaft. relationship between the tension T 4 of the return side is pulled out to the insertion side is wound around the double-seat state elongate clamping body, friction between the elongate clamping member and the elongate clamping member change shaft and the elongate clamping member hanging rod Assuming that the coefficient is μ, the friction coefficient between the long elastic bodies is μ b , and the winding angle of the long elastic bodies is θ ij , the above equation 1 is obtained when T 1 > T 4 , and T 1 <T 4 In the case, the manufacturing method of the tightening buckle of the long tightening body is characterized in that the number 4 is satisfied.

本発明の長尺緊締体締バックルの製造方法は、前記の簡単な機構によりバックル自体を動かすことなく、長尺緊締体掛けした回動アームのワンタッチ操作で、長尺緊締体変更軸に二重に巻き付けた長尺緊締体を強圧接・迅速弛緩することにより物品の締め付けとその解除を容易かつ確実に行うものである。
即ち、バックル枠体内に挿入した長尺緊締体の端部を長尺緊締体の変更軸に掛けてバックル表面側に変更し、バックル表面側に変更した長尺緊締体の端部を長尺緊締体掛け桿に長尺緊締体変更軸と同様の巻き方向に掛けてループを形成した後、長尺緊締体変更軸から変更された長尺緊締体部の裏面と前記長尺緊締体変更軸の周面間に挿入して、二重掛け状態に巻き付け、そして挿入側に引き出してリターン側長尺緊締体として物品を締め付けるものであり、この締めた後、回動アームを長尺緊締体の挿入側に倒し回動してバックル枠体と平行又はバックル裏面側に過回動させた状態にして該ループを更に緊張して二重掛け部
を更に強く圧接して長尺緊締体の戻り弛緩のない物品緊締を確実に維持する。またこの状態は回動アームをバックル前面側に単に起こすのみで簡単に解除することが出来るものである。 The manufacturing method of the long tightening body tightening buckle according to the present invention includes a simple mechanism for moving the buckle itself without moving the buckle itself. By tightening and quickly relaxing the long tightening body wound around the article, the article is fastened and released easily and reliably.
That is, the end of the long elastic body inserted into the buckle frame is hung on the change axis of the long elastic body and changed to the buckle surface side, and the end of the long elastic body changed to the buckle surface side is fixed to the long elastic band A loop is formed by hooking the body hanging hook in the same winding direction as the long elastic body changing shaft, and then the back surface of the long elastic body portion changed from the long elastic body changing shaft and the long elastic body changing shaft It is inserted between the peripheral surfaces, wound in a double hanging state, and pulled out to the insertion side to tighten the article as a return side long tightening body, and after this tightening, the rotating arm is inserted into the long tightening body The loop is tilted to the side and rotated to be parallel to the buckle frame or over-rotated to the back side of the buckle. Ensure that no article tightening is maintained. Further, this state can be easily released simply by raising the rotating arm to the front side of the buckle.

本発明において、長尺緊締体とは、ベルト状、帯状、ロープ、紐状などで柔軟で引張りに強い可撓性があるものを言い、実施例では単に長尺緊締体、ベルト、帯、ロープ、紐と言う。
本発明において、バックル枠体は、緊締する物品の形状に沿ったフラットな或いは長尺緊締体の引っ張り方向に湾曲した矩形型、又はそれに類似の形状のものでよい。
本発明において、長尺緊締体の変更軸は、回転軸型、棒型等にし、バックル枠体と一体に成型したものでもよい。
本発明において、特徴(1)の長尺緊締体掛け桿は、回転軸型、棒型等にし、回動アームはベルト変更軸と一体型に成型したものでもよい。また特徴(3)の長尺緊締体掛け桿は回転軸型、棒型等にし、回動アームと一体型に成型したものでもよい。
本発明において、特徴(1)と(3)の回動アームは、バックル枠体の前面側に突出した位置からバックル枠体に平行又は略平行な関係位置に倒し回動可能に配置する。また回動アームはバックル枠体の前面側に突出した位置からバックル枠体側への倒し回動とその戻し回動が迅速に行われるように引っ張りワイヤー、操作アームや取っ手又はそれに代わる適宜な操作具を付設してもよい。また特徴(3)の一対の回動アームは後端部の各回転軸をバックル枠体に設けて長尺緊締体掛け桿のように軸間を連結しないでフリーにして回動アームの倒し回動固定に影響を与えないようにする。
本発明の特徴(1)おいて、回動アームの倒し回動後の位置固定維持は、この時の回動アームがバックル枠体内で枠体と平行関係にあれば略安全であるが、更に安全を期して、ストッパーを設置することが好ましい。ストッパーとしては、回動アーム側部にロックボールを半球部が出入り可能に装備し、バックル枠体内面に該ロックボールの半球部を出入り可能に収容する凹陥部を形成したり、ラチェット機構のフックを回動アームに設け、フックの係合ピンをバックル枠体に設ける等その他適宜な公知の簡易ロック・解除機構を採用すればよい。特徴(3)おいては、前記の如く回動アームを倒し回動した際に、長尺緊締体変更軸の外側巻きで長尺緊締体掛け桿に亘る直線状の長尺緊締体の位置が、アーム後端の回動軸位置より被締め付け物体側になる自己締結保持型のため、ストッパーを設置しなくても被締め付け物体からの異常な振動あるいは直接外力が回動アームに作用しない限り被締め付け物の締結状態を健全に維持できる。
以下実施例を詳述するが本発明の前記特徴(1)、(2)の製造方法により製造した長尺緊締体の締バックルは実施例１〜実施例６であり、前記特徴(3)の製造方法により製造した長尺緊締体の締バックルは実施例７である。 In the present invention, the long tightening body means a belt-like, belt-like, rope, string-like or the like that is flexible and strong in tension, and in the embodiment, it is simply a long fastening body, belt, belt, rope. Say it a string.
In the present invention, the buckle frame body may be a flat shape along the shape of the article to be fastened or a rectangular shape curved in the pulling direction of the long fastening body, or a similar shape.
In the present invention, the change shaft of the long tightening body may be a rotary shaft type, a bar type, or the like, and may be integrally formed with the buckle frame.
In the present invention, the long tightening body hanging rod of the feature (1) may be a rotary shaft type, a rod type or the like, and the rotating arm may be formed integrally with the belt changing shaft. Further, the long tightening body hanging rod of the feature (3) may be a rotary shaft type, a bar type or the like, and may be formed integrally with the rotary arm.
In the present invention, the pivot arms of the features (1) and (3) are disposed so as to be pivotable from a position protruding from the front side of the buckle frame body to a position parallel or substantially parallel to the buckle frame body. In addition, the rotating arm is a pull wire, operation arm or handle, or an appropriate operation tool instead of the pulling wire so that the rotation and return rotation from the position protruding from the front side of the buckle frame to the buckle frame can be performed quickly. May be attached. In addition, the pair of rotating arms of feature (3) is provided with the respective rotating shafts at the rear end on the buckle frame body so that the shafts are freed without connecting the shafts like a long tightening body hanging rod. Do not affect dynamic fixation.
In the feature (1) of the present invention, the fixed position maintenance after the rotation arm is tilted and rotated is substantially safe if the rotation arm at this time is parallel to the frame body in the buckle frame, For safety, it is preferable to install a stopper. The stopper is equipped with a hemispherical part that allows the hemisphere part to enter and exit on the side of the rotating arm, and a concave part is formed on the inner surface of the buckle frame so that the hemispherical part of the lockball can enter and exit, or a hook of the ratchet mechanism Other known simple lock / release mechanisms may be employed, such as providing the rotary arm and the hook engaging pin on the buckle frame. In the feature (3), when the rotary arm is tilted and rotated as described above, the position of the linear long elastic body extending over the long elastic body hanging rod by the outer winding of the long elastic body changing shaft is Because it is a self-tightening holding type that is closer to the object to be tightened than the pivot axis position at the rear end of the arm, it is not affected unless abnormal vibration or direct external force from the object to be tightened acts on the rotating arm without installing a stopper. The fastening state of the clamped object can be maintained soundly.
Embodiments will be described in detail below, but the tightening buckle of the long tightening body manufactured by the manufacturing method of the features (1) and (2) of the present invention is Examples 1 to 6, and the features (3) The tightening buckle of the long tightening body manufactured by the manufacturing method is Example 7.

実施例１の長尺緊締体の締バックルは、長尺緊締体としてベルトを対象とするベルトの締バックルの例である。
図１は、実施例１ベルト締バックル自体を鳥瞰図で示す。
図２は、図１に示す実施例１ベルト締バックルを用いてのベルト装着・ベルト締状態を示す側断面説明図である。
図３は、図２に示すベルト装着・ベルト締状態から回動アームを回動させてバックル枠体内に収容しロックした状態を示す側断面説明図である。
実施例１は、図１に示すベルト締バックル100を用いて、バックル枠体101の一側に設けた横軸101bにベルト端部201を固定装着し、バックル枠体101の他側にベルト200の他端部を挿入ベルト202として巻き付けるタイプである。 The tightening buckle of the long tightening body according to the first embodiment is an example of a belt tightening buckle intended for a belt as the long tightening body.
FIG. 1 is a bird's-eye view of a belt tightening buckle of Example 1 itself.
FIG. 2 is an explanatory side sectional view showing a belt mounting / belt tightening state using the belt tightening buckle of the first embodiment shown in FIG.
FIG. 3 is an explanatory side sectional view showing a state in which the rotating arm is rotated from the belt mounting / belt tightening state shown in FIG.
In the first embodiment, a belt end buckle 100 shown in FIG. 1 is used to fix and attach a belt end 201 to a horizontal shaft 101b provided on one side of a buckle frame body 101, and a belt 200 on the other side of the buckle frame body 101. This is the type in which the other end is wound as the insertion belt 202.

図１〜図３において、ベルト締バックル100は、バックル枠体101の中央部に、前記ベルト200の他端部202の挿入方向202aに直交するベルト変更軸301を固定設置し、ベルト変更軸301の両側に一対の回動アーム302の一端部を回転可能に枢着し、前記一対の回動アーム302の他端部間に前記ベルト変更軸301に対して平行にベルト掛け桿303を設け、回動アーム302をベルト変更軸301を中心に回動してバックル枠体101と回動ア−ム302が平行又は略平行状態となるようにバックル枠体101内に収容移動可能にしたものである。図中800ｓは回動アームストッパーであり、回動ア−ム302のバッックル裏面側への回動をここで阻止する。
この構成により、バックル枠体101内への挿入ベルト202をベルト変更軸301に掛けてバックル前面側に変更し、バックル前面側に変更した変更ベルト203をベルト掛け桿303にベルト変更軸301と同様の方向に掛けた後リターンベルト204とし、変更ベルト203とリターンベルト204によりループを形成し、更にベルト変更軸301から変更された変更ベルト部203の裏面203aと前記ベルト変更軸301の表面間に挿入して該ループの元部になる部分を前記ベルト変更軸301におけるベルトの方向変更側の周面に位置させて図示の如く二重掛け状態に巻き付ける。そして反挿入側方向202bに引き出してリターン変更ベルト205とし、これを引っ張ることにより物品Ｂをベルト200により締める。この後、回動アーム302をバックル枠体101内に回動収容して図３に示すように、ベルト掛け桿303の軸心を、ベルト200の物品B締め引っ張り方向線200a上に置いて、尚且つ棒状のストッパー401を回動アーム302のピン孔302aとバックル枠体101のピン孔101aに挿入して、回動アームの起き上がりを止める。 In FIG. 1 to FIG. 3, the belt tightening buckle 100 has a belt changing shaft 301 fixedly installed at a central portion of the buckle frame body 101 perpendicular to the insertion direction 202 a of the other end 202 of the belt 200. One end of a pair of pivot arms 302 is pivotally attached to both sides of the belt, and a belt hook 303 is provided between the other ends of the pair of pivot arms 302 in parallel with the belt changing shaft 301. The pivot arm 302 is pivoted about the belt changing shaft 301 so that the buckle frame body 101 and the pivot arm 302 can be accommodated and moved in the buckle frame body 101 so as to be in a parallel or substantially parallel state. is there. In the figure, reference numeral 800s denotes a rotation arm stopper, which prevents the rotation of the rotation arm 302 to the back side of the buckle.
With this configuration, the belt 202 to be inserted into the buckle frame 101 is hung on the belt change shaft 301 and changed to the front side of the buckle, and the changed belt 203 changed to the front side of the buckle is changed to the belt hook 303 and the belt change shaft 301 is the same. The return belt 204 is then looped, and a loop is formed by the change belt 203 and the return belt 204, and further, between the back surface 203 a of the change belt portion 203 changed from the belt change shaft 301 and the surface of the belt change shaft 301. The portion that is inserted and becomes the base of the loop is positioned on the peripheral surface of the belt changing shaft 301 on the belt direction changing side and wound in a double-hanging state as shown in the figure. Then, the return change belt 205 is pulled out in the direction opposite to the insertion side 202b, and the article B is fastened by the belt 200 by pulling the return change belt 205. Thereafter, the pivot arm 302 is pivotally accommodated in the buckle frame 101 and the shaft center of the belt hook 303 is placed on the article B tightening and pulling direction line 200a of the belt 200 as shown in FIG. A rod-like stopper 401 is inserted into the pin hole 302a of the rotating arm 302 and the pin hole 101a of the buckle frame body 101 to stop the rising of the rotating arm.

これで挿入ベルト掛け桿303からのリターンベルト204は、ベルト変更軸301を経由して反挿入側202bに引き出されてリターン変更ベルト205になる際、ベルト202からベルト変更軸301経由でベルト203に至るベルトと、ベルト変更軸301との間に挟みこまれた二重巻き状態にすることで、挟み込まれたベルトの表裏両面に発生する強力な面接触摩擦抵抗により、ベルト200の緩みを完全に抑止してベルト200の物品B緊締を確実に維持するものである。またこの状態は、ストッパー401を引き抜くことにより、回動アーム302をバックル前面
側に単に起こすのみで簡単に解除することが出来るものである。 When the return belt 204 from the insertion belt hook 303 is pulled out to the non-insertion side 202b via the belt change shaft 301 and becomes the return change belt 205, the belt 202 passes from the belt 202 to the belt 203 via the belt change shaft 301. The belt 200 is completely wound between the belt and the belt changing shaft 301, and the belt 200 is completely loosened by the strong surface contact frictional resistance generated on both the front and back sides of the sandwiched belt. This suppresses the belt B and securely maintains the article B tightening of the belt 200. Further, this state can be easily released simply by raising the rotating arm 302 to the front side of the buckle by pulling out the stopper 401.

この作用効果についての原理を、図１〜図９とともに以下に詳細に説明する。以下の原理説明は、長尺緊締体としてベルトの例であるが、実施例６に紹介する紐の締バックルも同様の原理である。尚、図６〜図９に記載のベルト締バックルの展開角度ζとは、ベルト掛け桿303の軸心とベルト変更軸301の軸心とを結ぶ直線と、ベルト200の物品Ｂ緊締方向と平行で且つベルト変更軸301の軸心を通るバックル枠体101の中心線Xとが成す角度を言う。
図１、図２、図３に示すベルト掛け桿303とベルト変更軸301におけるベルト巻き状態の拡大を図４の(1)と(2)に示す。
図４(1)と(2)において、点P1〜P2の間は変更軸301にベルトを二重に巻き付けていることに特徴がある．そのベルト二重部の角度は，図１〜図３、図４(1)に示す回動アーム302の角ζを，点Oを中心に回動アーム302を回動させることで自由に変えることができる．ベルトの張力をTとすると，ベルト締バックル両端での張力はT1とT4である．ベルト202と軸301及び303との摩擦係数をμ，ベルト同士の摩擦係数をμbとする．点Pi〜点Pjまでの巻き付け角をθijで表す．T1とT4の関係は，T1＞T4として解析すると数１で表わされる． The principle about this effect is demonstrated in detail below with FIGS. The following description of the principle is an example of a belt as a long tightening body, but the string tightening buckle introduced in Example 6 has the same principle. The belt tightening buckle deployment angle ζ shown in FIGS. 6 to 9 is parallel to the straight line connecting the axis of the belt hook 303 and the axis of the belt changing shaft 301 and the belt B tightening direction of the article B. And the angle formed by the center line X of the buckle frame body 101 passing through the axis of the belt changing shaft 301.
Enlargement of the belt winding state in the belt hook 303 and the belt changing shaft 301 shown in FIGS. 1, 2, and 3 is shown in (1) and (2) of FIG.
4 (1) and 4 (2), there is a feature that the belt is doubly wound around the change shaft 301 between points P 1 and P 2 . The angle of the belt double portion can be freely changed by rotating the rotation arm 302 about the point O with respect to the angle ζ of the rotation arm 302 shown in FIGS. Is possible. When the tension of the belt is T, the tension in the belt tightening buckle ends are T 1 and T 4. The friction coefficient between the belt 202 and the shafts 301 and 303 is μ, and the friction coefficient between the belts is μ b . The winding angle from point P i to point P j is represented by θ ij . The relationship between T 1 and T 4 is expressed by Equation 1 when T 1 > T 4 is analyzed.

Figure 0004355788
数１は分数の形であるので，分母が０となる条件ではT4の係数は無限大になる．そのことはベルトがバックルにより完全にロックされることを意味する．条件を簡単にするため数１においてμ=0とすると，数２となる．
Figure 0004355788
 Since number 1 is in the form of a fraction, the coefficient of T 4 is infinite under conditions where the denominator is zero. That means the belt is completely locked by the buckle. To simplify the condition, if μ = 0 in Equation 1, Equation 2 is obtained.

Figure 0004355788
μ=0 とすることは，図１のベルト変更軸301とベルト掛け桿303を，例えば転がり軸受で置き換えた状態と等価である．数３を満足する条件下では、数２の分母が０になるめT4の係数は無限大になる．そのことはベルト同士の摩擦力のみでベルトを完全に固定できることを意味する．
Figure 0004355788
 Setting μ = 0 is equivalent to replacing the belt changing shaft 301 and the belt hook 303 in FIG. 1 with, for example, a rolling bearing. Under the condition that satisfies Equation 3, the coefficient of T 4 becomes infinite so that the denominator of Equation 2 becomes 0. This means that the belt can be completely fixed only by the frictional force between the belts.

Figure 0004355788
図５に数２の条件下でベルトが固定できる範囲を示している。例えばμb=0.3のベルトで
は，ベルト二重巻き付け角を130°以上にすればベルトは完全に固定できるが，130°未満
ではベルトは完全には固定されずに滑る可能性のあることを意味する。
Figure 0004355788
 FIG. 5 shows a range in which the belt can be fixed under the condition of Equation 2. For example, in a belt with μ b = 0.3, if the belt double wrap angle is 130 ° or more, the belt can be completely fixed, but if it is less than 130 °, the belt may slip without being completely fixed. To do.

図６はベルト202と軸301との摩擦係数μはμ=0，ベルト同士の摩擦係数はμb=0.1〜0.3の範囲で変化させた場合，数１で計算したベルト締バックルの展開角度ζに伴うベルト張力比T1/T4の変化を示している．ベルトを固定した状態に対応する展開角度ζの小さい範囲では，摩擦係数μbが大きくなると，ベルト張力比T1/T4は急増して完全締結状態に至ることが分かる．計算を簡単にするため，μ=μbとして図６と同様に数１による計算結果を図７に示す．ベルト202と軸301との間に摩擦力があれば，図６に示した展開角度より大きい角度でもベルト張力比の大きいことが分かる．ベルトの摩擦係数は通常0.2以上あるので，発明したベルト締バックルで固定できないベルトはほとんどないと思われる．
数１はT1＞T4の条件で得られた解析式であるが，ベルトを締め付ける場合にはT4側を引張るためにT4＞T1となる．そこでT4＞T1の条件下で解析すると，数４となる。 FIG. 6 shows a belt tightening buckle deployment angle ζ calculated by Equation 1 when the friction coefficient μ between the belt 202 and the shaft 301 is changed to μ = 0 and the friction coefficient between the belts is changed in the range of μ b = 0.1 to 0.3. The change in belt tension ratio T 1 / T 4 is shown. It can be seen that the belt tension ratio T 1 / T 4 rapidly increases and reaches the fully engaged state when the friction coefficient μ b increases in the small range of the deployment angle ζ corresponding to the state where the belt is fixed. To simplify the calculation, the calculation result of the likewise number 1 and 6 shown in FIG. 7 as μ = μ b. If there is a frictional force between the belt 202 and the shaft 301, it can be seen that the belt tension ratio is large even at an angle larger than the deployed angle shown in FIG. Since the friction coefficient of the belt is usually more than 0.2, it seems that few belts cannot be fixed with the invented belt tightening buckle.
Equation 1 is an analytical expression obtained under the condition of T 1 > T 4. When the belt is tightened, T 4 > T 1 is satisfied because the T 4 side is pulled. Therefore, when the analysis is performed under the condition of T 4 > T 1 , Equation 4 is obtained.

Figure 0004355788
この数４よりT4/T1≧１であることが分かる．数４においてμ=μb=0とすればT4＝T1となる．図６と対応させるため，ベルト202と軸301との摩擦係数μ=0，ベルト同士の摩擦係数μb=0.1〜0.3の範囲で数４で計算した結果を図８に示す．縦軸のベルト張力比は図６と図８では逆になっていることに注意されたい．例えばT4側を強く引張った場合の結果である。
図８では，μb=0.3，ζ=60°の場合，T4側の張力として張力T1の2.75倍以上与えると，ベルト202と軸301との間に滑りが生じることを意味している．一方，T1＞T4の条件下での解析結果である図６では，μb=0.3でζ=60°の場合，T1/T4＝15であり，展開角度をさらに小さくすればT1/T4は急増して完全締結状態に至る．すなわち数１と数４を比較すると，本例のベルト締バックルは，ベルト二重部の内側ベルトであるT4側を引張れば常に締め付けることが可能でありながら，ベルト二重部の外側ベルトに大きな荷重T1が作用しても強固に固定できることになる．また固定力はベルト締バックルの展開角度ζに非常に敏感であるので，展開角度ζを変えることで自由に締めたり緩めたりすることが可能である。
図７と対応させるため，μ=μb=0.1〜0.2の範囲で数４を使い計算した結果を図９に示す．図８と同様に縦軸のベルト張力比は図７と図９では逆である．μによる摩擦力が加算されるため，図８と比較して図９のT4/T1の値は大きくなる．例えば図８ではμb=0.2，ζ=60°の場合，T4/T1＝2.05であるが，図９ではT4/T1＝6.4と約3倍になる．しかしながら図７のように完全締結状態にはならないので，大きなT4を与えさえすれば，ベルト202をさらに強く締め付けることができる。
数４はベルト同士やベルトと軸とが理想的に密着した状態での解析式である．ところが一般にはベルトは弱い弾性体であるため，ベルト202の張力の弱まれば，ベルト同士やベルト202と軸301との間に僅かな隙間ができる．そのような場所では摩擦力は全く発生しないので，ベルト張力が０の状態からベルト締バックルで締め付ける場合，図８や図９で示した張力比より小さい張力比でもベルトは締め付けられることになる．
Figure 0004355788
 From this equation 4, it can be seen that T 4 / T 1 ≧ 1. In Equation 4, if μ = μ b = 0, then T 4 = T 1 . In order to correspond to FIG. 6, the calculation result of Equation 4 in the range of the friction coefficient μ = 0 between the belt 202 and the shaft 301 and the friction coefficient μ b between the belts 0.1 to 0.3 is shown in FIG. 8. Note that the belt tension ratio on the vertical axis is reversed in Figs. For example, the result is when the T 4 side is pulled strongly.
In FIG. 8, when μ b = 0.3 and ζ = 60 °, if the tension on the T 4 side is 2.75 times the tension T 1 or more, it means that slip occurs between the belt 202 and the shaft 301. . On the other hand, in FIG. 6, which is the analysis result under the condition of T 1 > T 4 , when μ b = 0.3 and ζ = 60 °, T 1 / T 4 = 15. 1 / T 4 increases rapidly and reaches a fully engaged state. In other words, comparing Equations 1 and 4, the belt tightening buckle of this example can be always tightened by pulling the T 4 side, which is the inner belt of the belt double portion, while the outer belt of the belt double portion. Even if a large load T 1 is applied to the plate, it can be firmly fixed. Further, the fixing force is very sensitive to the deployment angle ζ of the belt tightening buckle, so that it can be freely tightened or loosened by changing the deployment angle ζ.
Figure 9 shows the result of calculation using Equation 4 in the range of μ = μ b = 0.1 to 0.2 to correspond to Fig. 7. As in FIG. 8, the belt tension ratio on the vertical axis is the opposite in FIGS. Since the frictional force due to μ is added, the value of T 4 / T 1 in FIG. 9 is larger than that in FIG. For example, in FIG. 8, when μ b = 0.2 and ζ = 60 °, T 4 / T 1 = 2.05, but in FIG. 9, T 4 / T 1 = 6.4, which is about three times. However, as shown in FIG. 7, the belt is not completely fastened, and the belt 202 can be tightened more strongly by giving a large T 4 .
Equation 4 is an analytical expression in a state where the belts and the belt and the shaft are in ideal contact with each other. However, since the belt is generally a weak elastic body, if the tension of the belt 202 is weakened, a slight gap is formed between the belts or between the belt 202 and the shaft 301. In such a place, no frictional force is generated. Therefore, when the belt is tightened with a belt tightening buckle from a state where the belt tension is zero, the belt is tightened even with a tension ratio smaller than the tension ratio shown in FIGS.

実施例２は、図１０〜図１２に示すベルト締バックル例であり、図１の実施例１を左右対称に一体的に組み合わせた例である。
図１０〜図１２において、本例は、バックル枠体11の両側からベルト20の両端部22a,22bの各々を巻き付けてベルト20を物品Bの表面に締めて回動アーム32a、32bをロックするタイプのベルト締バックル10である。図１１は、バックル枠体11の両側からベルト20の両端部を巻き付け・締めた状態を示す側断面説明図であり、図１０はそのモデル的鳥瞰図であり、図１２はベルト20を締めた後に回動アーム32a、32bを回動してバックル枠体11内に収容しロックした状態を示す側断面説明図である。
即ち本実施例２は、ベルト締バックル10のバックル枠体11内の左右に、ベルト変更軸31a、31b、回動アーム32a、32b、ベルト掛け桿33a、33bを各一対設置したものであり、実施例１と同一機能部分には同一名称を付してある。
図１０〜図１２において、ベルト締バックル10は、バックル枠体11の中央部に、ベルト挿入方向に直交する平行な一対のベルト変更軸31a、31bを設け、各ベルト変更軸31a、31bの両側各々に、回動アーム32a、32bの一端を回転可能に枢着し、回動アーム32a、32bの各他端部間に、前記ベルト変更軸31a、31bに対して平行にベルト掛け桿33a、33bを設け、各対の回動アーム32a、32bを当該ベルト変更軸31a、31bを中心に回動してバックル枠体11の前面側への突出回動とバックル枠体11の横枠と平行状態でバックル枠体11内に収容可能にしたものである。各々バックル枠体11は、両側からベルト20の両端部22a,22bを挿入ベルトとしこれをベルト変更軸31a、31bとベルト掛け桿33a、33bに巻き付ける。以下のベルトの巻き付け操作は、実施例１と全く同一である。
つまりベルト20の両端部22a,22bをベルト掛け桿33a,33bにループ掛けし、このループの元部になる部分をベルト変更軸31a,31bのベルトを方向変更する側に位置させて、その周面に二重掛け状態とする巻き付け操作は、両該端部2a,22bを挿入ベルト22a,22bとしこの挿入ベルトをバックル枠体11内のベルト変更軸31a,31bに掛けてバックル前面側に変更して変更ベルト23a,23bとし、この変更ベルト23a,23bをベルト掛け桿33a,33bにベルト変更軸31a,31bと同様の方向に掛けてリターンベルト24a,24bとし、これをベルト変更軸31a,31bから変更された変更ベルト23a,23bの裏面と前記ベルト変更軸31a,31bの表面間に挿入して反挿入側方向に引き出してリターン変更ベルト25a,25bとし、これを引っ張ることにより物品Ｂをベルト20により締める。この後、回動アーム32a、32bを図１２に示すようにバックル枠体11内に回動収容して且つ棒状のストッパー(図示していないが実施例１のストッパー401と同一のもの)を回動アーム32a、32bのピン孔32c,32dとバックル枠体11のピン孔11a,11bに挿入して、回動アーム32a、32bの起き上がりを確実に止める。 Example 2 is an example of a belt tightening buckle shown in FIGS. 10 to 12, and is an example in which Example 1 of FIG.
10 to 12, in this example, both ends 22a and 22b of the belt 20 are wound from both sides of the buckle frame 11, and the belt 20 is fastened to the surface of the article B to lock the rotating arms 32a and 32b. This is a type of belt tightening buckle 10. 11 is an explanatory side sectional view showing a state in which both ends of the belt 20 are wound and tightened from both sides of the buckle frame 11, FIG. 10 is a model bird's-eye view thereof, and FIG. 12 is a diagram after the belt 20 is tightened. FIG. 6 is a side cross-sectional explanatory view showing a state in which rotating arms 32a and 32b are rotated and accommodated in the buckle frame body 11 and locked.
That is, in the second embodiment, the belt changing shafts 31a and 31b, the rotating arms 32a and 32b, and the belt hanging rods 33a and 33b are respectively installed on the left and right in the buckle frame 11 of the belt tightening buckle 10. The same functional parts as those in the first embodiment are given the same names.
10 to 12, the belt tightening buckle 10 is provided with a pair of parallel belt changing shafts 31a and 31b orthogonal to the belt insertion direction at the center of the buckle frame 11, and both sides of the belt changing shafts 31a and 31b. Each of the pivot arms 32a, 32b is pivotally attached to one end thereof, and between the other ends of the pivot arms 32a, 32b, a belt hanging rod 33a, parallel to the belt changing shafts 31a, 31b, 33b is provided, and each pair of rotating arms 32a and 32b is rotated around the belt changing shafts 31a and 31b to project and rotate to the front side of the buckle frame 11, and parallel to the horizontal frame of the buckle frame 11. In this state, it can be accommodated in the buckle frame 11. Each buckle frame 11 has both end portions 22a and 22b of the belt 20 as insertion belts from both sides and is wound around belt changing shafts 31a and 31b and belt hooks 33a and 33b. The following belt winding operation is exactly the same as in the first embodiment.
In other words, both ends 22a and 22b of the belt 20 are looped around the belt hooks 33a and 33b, and the portions that become the base portions of the loops are positioned on the belt changing shafts 31a and 31b on the side where the direction of the belt is to be changed. The winding operation to make a double-hanging state on the surface changes both ends 2a and 22b to insertion belts 22a and 22b and hangs the belt on belt changing shafts 31a and 31b in the buckle frame 11 to the front side of the buckle. The change belts 23a and 23b, and the change belts 23a and 23b are hung on the belt hooks 33a and 33b in the same direction as the belt change shafts 31a and 31b to form return belts 24a and 24b. Inserted between the back surface of the change belts 23a, 23b changed from 31b and the surface of the belt change shafts 31a, 31b and pulled out in the direction opposite to the insertion side to form return change belts 25a, 25b. Fasten with belt 20. Thereafter, the rotating arms 32a and 32b are rotatably accommodated in the buckle frame 11 as shown in FIG. 12, and a rod-shaped stopper (not shown but the same as the stopper 401 in the first embodiment) is rotated. Inserting into the pin holes 32c and 32d of the moving arms 32a and 32b and the pin holes 11a and 11b of the buckle frame 11, the rising of the rotating arms 32a and 32b is surely stopped.

これで挿入ベルト掛け桿33a,33bからのリターンベルト24a,24bは、ベルト変更軸31a,31bを経由して反挿入側方向に引き出されてリターン変更ベルト25a,25bになる際、挿入ベルト22a,22bからベルト変更軸31a,31b経由で変更ベルト23a,23bに至るベルトと、ベルト変更軸31a,31bの表面との間に挟みこまれることで、挟み込まれたベルトの表裏面に発生する強力な面接触摩擦抵抗により、その滑りを阻止し、締ベルト20の緩みを完全に抑止してベルト20により物品Ｂを確実に緊締維持するものである。またこの状態は、前記ストッパーをピン孔32c,32dとピン孔11a,11bから引き抜くことにより、回動アーム32a、32bをバックル前面側に単に起こすのみで簡単に物品Ｂの緊締（締め付け）を解除することが出来るものである。
以上の図１０〜図１２に示す本例のベルト締バックルは、図１３の(1)に示すように荷物Ｎの梱包用などに利用できる．図１３の(2)は図１３の(1)のベルト締バックルを示す拡大斜視図である。 When the return belts 24a, 24b from the insertion belt hanging rods 33a, 33b are pulled out in the direction opposite to the insertion side via the belt change shafts 31a, 31b to become return change belts 25a, 25b, the insertion belts 22a, The belt that is sandwiched between the belt extending from the belt 22b through the belt changing shafts 31a, 31b to the changing belts 23a, 23b and the surface of the belt changing shafts 31a, 31b generates a strong force generated on the front and back surfaces of the sandwiched belt. The surface contact frictional resistance prevents the slippage, completely suppresses the loosening of the tightening belt 20, and securely tightens the article B by the belt 20. Also, in this state, by pulling out the stopper from the pin holes 32c and 32d and the pin holes 11a and 11b, the tightening (clamping) of the article B can be easily released simply by raising the rotating arms 32a and 32b to the front side of the buckle. It can be done.
The belt tightening buckle of the present example shown in FIGS. 10 to 12 can be used for packing the luggage N as shown in (1) of FIG. (2) of FIG. 13 is an enlarged perspective view showing the belt tightening buckle of (1) of FIG.

実施例３のベルト締バックル例は、図１４のモデル鳥瞰図に示し、実施例１のベルト締バックルを桝枠Ｍの四方向に配置して十字型に組み合わせて結合したものであるが、実施例２のベルト締バックルをクロス配置した形式のものでもある。この為、本例は実施例２と同一部分は、同一符号を付してその詳細は省略する。   The belt tightening buckle example of the third embodiment is shown in the model bird's-eye view of FIG. 14, and the belt tightening buckle of the first embodiment is arranged in the four directions of the collar frame M and combined and combined in a cross shape. It is also a type in which two belt tightening buckles are arranged in a cross. For this reason, in this example, the same parts as those in Example 2 are denoted by the same reference numerals, and the details thereof are omitted.

実施例４のベルト締バックルは、図１５のモデル鳥瞰図に示し、実施例２のベルト締バックルの変形例である。ベルトの締め付け方向を９０度に変更するため，斜めに連結棒Ｒで連結することで，実施例３で示す２箇所のベルト締バックルを省略することができるものである。本例も実施例２と同一部分は、同一符号を付してある。
連結棒Ｒの利用法は、例えば図１５の左側のベルト締バックルに巻き付けた後、回動アーム３２ａを枠体１１内に回動収容することでベルトをベルト締バックルに固定する。その後ベルト２２ａを物品に廻して一旦連結棒Ｒに中継巻きすることでベルトの方向を変更させて、再び物品に廻して図１５の上側のベルト締バックルに巻き付ける等に利用する。 The belt tightening buckle of the fourth embodiment is a modification of the belt tightening buckle of the second embodiment shown in the model bird's eye view of FIG. In order to change the belt tightening direction to 90 degrees, the two belt tightening buckles shown in the third embodiment can be omitted by connecting with the connecting rod R obliquely. In this example, the same parts as those in the second embodiment are denoted by the same reference numerals.
For example, after the winding rod 32 is wound around the belt tightening buckle on the left side of FIG. 15, the belt 32 is fixed to the belt tightening buckle by rotating and accommodating the rotating arm 32 a in the frame 11. Thereafter, the belt 22a is wrapped around the article and temporarily wound around the connecting rod R to change the direction of the belt. The belt 22a is then wound around the article again and wound around the upper belt tightening buckle in FIG.

実施例５のベルト締バックルは、図１６のモデル鳥瞰図に示し、これも実施例２のベルト締バックルの変形例である。本例のベルト締バックルは、バックル枠体同士をリンクして折れ曲げ可能にして、角や表面が球や円筒など曲面を有する物品をベルトで固定する際に利用するベルト締バックルで、中央部を軸連結構造の連結機構ＲＲで連結し物品の表面形状に合わせて中央で折れ曲がる構造にしたものである。
本例も実施例２と同一部分は、同一符号を付してその詳細は省略する。 The belt tightening buckle of the fifth embodiment is shown in the model bird's-eye view of FIG. 16, and this is also a modification of the belt tightening buckle of the second embodiment. The belt tightening buckle of this example is a belt tightening buckle that is used when a buckle frame body is linked to be bent and can be bent, and is used when fixing an article having a curved surface such as a sphere or cylinder with a belt. Are coupled by a coupling mechanism RR having a shaft coupling structure, and are bent at the center in accordance with the surface shape of the article.
In this example, the same parts as those in the second embodiment are designated by the same reference numerals and their details are omitted.

実施例６の長尺緊締体の締バックルは、長尺緊締体として紐を対象とする紐の締バックル例であり、図１７にそのモデル鳥瞰図を示す。
図１７の(1)は紐の締バックル例のモデル鳥瞰図を示し、その矢視A-Aからの側断面図で紐を巻き付けた状態を(2)に示す。
実施例６の紐の締バックル１は、バックル枠体2の一側に設けた溝M1付の横軸2aに紐3の端部3eを固定装着し、バックル枠体2の他側に紐3の他端部3tを挿入紐として巻き付けるタイプであり実施例１のベルト用を紐用に変形した例である。
図１７の(1) (2)において、紐の締バックル1は、バックル枠体2の中央部に、紐3の他端部3tの挿入方向4aに直交する溝M2付の紐変更軸5を固定設置し、紐変更軸5の両側に一対の回動アーム6の一端部を回転可能に枢着し、前記一対の回動アーム6の他端部間に前記紐変更軸5に対して平行に溝M3付の紐掛け桿7を設け、回動アーム6を紐変更軸5を中心に回動してバックル枠体2と回動ア−ム6が平行又は略平行状態となるようにバックル枠体2内に収容移動可能にしたものである。
この構成により、バックル枠体2の一側から裏側（物品Ｂの表面間）に挿入した紐3の他端部3tは、紐変更軸5の溝M2に掛けてバックル前面側（表側）に変更し、次いで紐掛け桿7の溝M3に紐変更軸5と同様の方向に掛けて紐変更軸5側にリターンさせ、次いで前記紐変更軸5の溝M2に挿入してその表面に直に巻き付け、反挿入側方向4bに引き出し、これを引っ張ることにより物品Ｂを紐3により締める。この後、回動アーム6をバックル枠体2内に回動収容して紐掛け桿7の軸心を、紐3の物品Ｂ締め引っ張り方向に置いて、尚且つ棒状のスト
ッパー90等を回動アーム6のピン孔8とバックル枠体2のピン孔9に挿入して、回動アーム6の起き上がりを止める。 The tightening buckle of the long tightening body of Example 6 is an example of a tightening buckle of a string that targets a string as the long tightening body, and FIG. 17 shows a model bird's-eye view thereof.
(1) of FIG. 17 shows a model bird's-eye view of an example of a tightening buckle of a string, and (2) shows a state where the string is wound in a side sectional view from the arrow AA.
The tightening buckle 1 for the string of Example 6 has the end 3e of the string 3 fixedly mounted on a horizontal shaft 2a with a groove M1 provided on one side of the buckle frame 2, and the string 3 on the other side of the buckle frame 2. This is a type in which the other end portion 3t is wound as an insertion string, and the belt of Example 1 is modified to a string.
In (1) and (2) of FIG. 17, the string tightening buckle 1 has a string changing shaft 5 with a groove M2 orthogonal to the insertion direction 4a of the other end 3t of the string 3 at the center of the buckle frame 2. It is fixedly installed, and one end of a pair of rotating arms 6 is rotatably mounted on both sides of the string changing shaft 5, and is parallel to the string changing shaft 5 between the other ends of the pair of rotating arms 6. Is provided with a string hook 7 with a groove M3, and the pivot arm 6 is pivoted about the string changing shaft 5 so that the buckle frame 2 and the pivot arm 6 are in a parallel or substantially parallel state. The housing 2 can be accommodated and moved.
With this configuration, the other end 3t of the cord 3 inserted from one side to the back side (between the surfaces of the article B) of the buckle frame 2 is hung on the groove M2 of the cord changing shaft 5 and changed to the buckle front side (front side). Next, hang it on the groove M3 of the string hook 7 in the same direction as the string change shaft 5, return it to the string change shaft 5 side, then insert it into the groove M2 of the string change shaft 5 and wind it directly around the surface Then, the article B is tightened by the string 3 by pulling it in the direction 4b opposite to the insertion side and pulling it. Thereafter, the pivot arm 6 is pivotally accommodated in the buckle frame 2 and the axis of the string hook 7 is placed in the direction of tightening and pulling the article 3 of the string 3, and the rod-shaped stopper 90 and the like are also pivoted. Inserting into the pin hole 8 of the arm 6 and the pin hole 9 of the buckle frame 2, the rising of the rotating arm 6 is stopped.

これで紐3の他端部3tは、該紐変更軸5の溝M2で二重になり、この二重の紐3部の表裏面に発生する強力な面接触摩擦抵抗により、紐3の緩みを完全に抑止して紐3の物品Ｂ緊締を確実に維持するものである。またこの状態は、前記ストッパー90を引き抜くことにより、動アーム6をバックル前面側に単に起こすのみで簡単に解除することが出来るものである。 The other end 3t of the string 3 is now doubled by the groove M2 of the string changing shaft 5, and the string 3 is loosened by the strong surface contact frictional resistance generated on the front and back surfaces of the double string 3 part. Is completely restrained and the article B of the cord 3 is securely maintained. Further, this state can be easily released simply by raising the moving arm 6 to the front side of the buckle by pulling out the stopper 90.

本例は、前述のバックルを更に改良した前記特徴の(3)に記載の「自己締結保持型の長尺緊締体の締バックル」である。
図１８〜図２６と共に詳細に説明する。
本例の「自己締結保持型の長尺緊締体の締バックル」の1例を、図１８に概略図を示す．
図１８ではバックルの構造を分かり易くするためベルトを省略して描いている．図１９は図１８の矢視Ａ−Ａからの縦断面図であり，ベルト（長尺緊締体）900の一端部を巻きつけた状態は実線で描いている．ベルト締結時である回動ア−ム700を閉じた状態は二点鎖線で描いている．
図１８と図１９において、ベルト900の締バックルは、被締め物体の表面に裏面を当接するバックル枠体800の片側に前記ベルト900の端部の挿入方向と直交する長尺緊締体変更軸710を設けると共に、この長尺緊締体変更軸710に平行関係で且つベルト900を挿入する側のバックル表面寄りにアーム後端の回動軸704を枢着してバックル表面側で回動可能にした一対の回動アーム700を設け、前記一対の回動アーム700の先端部に前記長尺緊締体変更軸710に対して平行に長尺緊締体掛け桿702を設けると共に回動ア−ムストッパ−800ｓを設け、回動アーム700をアーム回動軸704を中心にベルト挿入側に回動移動可能にし、ベルト900の端部をバックル枠体800の側方から挿入してその表面を前記締体変更軸710の周面の一部に巻いて方向変更し、その後、前記長尺緊締体掛け桿702の周面の一部に巻いてループ掛けし、次いで前記長尺緊締体変更軸710の周面と先に巻いた部分の表面900aとの間に挿入して二重掛け状態に巻き付けて挿入側に引き出し（リターン側長尺緊締体）被締め付け物体を締めた後に回動ア−ム700を倒し回動させた際に、その長尺緊締体掛け桿702と長尺緊締体変更軸710間にあるベルト900が回動ア−ム700の軸芯705位置からバックル裏面
側に外れた位置に来て回動ア−ム700の戻り回転を阻止する関係にするのである。図中801はバックル枠体800に設けたベルト他端部を巻き付け固定する軸である。
本例の締バックルは、長尺緊締体変更軸710と一対の回動アーム700と長尺緊締体掛け桿702と回動ア−ムストッパ−800ｓをバックル枠体800の片側に1セット設けたが、バックル枠体800の両側各々1セットづつ設けてもよい。
即ち、この締めバックルは回動ア−ム700の回転軸704の中心705と，長尺緊締体変更軸710の軸中心711とがオフセットしていることに特徴がある。
図２０は自己締結保持型の締バックルを解析するための力学モデルである．ｘｙ座標の原点Ｏを長尺緊締体変更軸710(以下主軸710とも言う)の軸心711とする．ｘ軸はバックル枠体800と平行にとる．回動ア−ム700の長尺緊締体掛け桿702（以下副軸702とも言う）の中心をＯ1，回動ア−ム700の回転軸704の中心705をＯ2とする．点Ｏ2はｘ軸から角度φ，原点Ｏから距離Ｌ1の位置にある．主軸710の半径をＲ，副軸702の半径をｒとする．Ｌ2は軸心705から副軸702の軸心701までの長さである．Ｌ1とＬ2の為す角をβとする．Ｔ1，Ｔ2，Ｔ3，Ｔ4はベルト張力でありＴ1＞Ｔ4とする．角度ζはｘ軸と，直線Ｏ−Ｏ1のなす角
度であり，αはx軸と回動ア−ムの軸中心を結ぶ直線Ｌ2のなす角度である．Ｌは主軸710中心Ｏから副軸702の中心Ｏ1(701)までの長さであり，角度αあるいはζに伴いＬは変化する．
長さＬはＬ1，Ｌ2，α，φの関数であり数５で表される．角度ζはＬ1，Ｌ2，α，φの関数であり数６で表される． This example is a “tightening buckle of a long fastening body of a self-tightening holding type” described in (3) of the above-described feature, which is a further improvement of the above-described buckle.
This will be described in detail with reference to FIGS.
FIG. 18 shows a schematic diagram of an example of the “tightening buckle of a self-fastening-holding type long fastening body” in this example.
In FIG. 18, the belt is omitted to make the buckle structure easier to understand. FIG. 19 is a longitudinal sectional view taken along the line AA in FIG. 18, and a state in which one end portion of the belt (long tightening body) 900 is wound is drawn by a solid line. The state where the rotating arm 700 is closed when the belt is fastened is depicted by a two-dot chain line.
18 and 19, the tightening buckle of the belt 900 is a long tightening body changing shaft 710 that is perpendicular to the insertion direction of the end of the belt 900 on one side of the buckle frame body 800 that abuts the back surface of the object to be tightened. In addition, a pivot shaft 704 at the rear end of the arm is pivotally attached to the buckle surface on the side where the belt 900 is inserted so as to be pivotable on the buckle surface side. A pair of rotating arms 700 is provided, and a long elastic body hanging rod 702 is provided at the tip of the pair of rotating arms 700 in parallel to the long elastic body changing shaft 710 and a rotating arm stopper 800s. The rotation arm 700 can be rotated around the arm rotation shaft 704 toward the belt insertion side, and the end of the belt 900 is inserted from the side of the buckle frame 800 to change the surface of the tightening body. Change the direction by winding around a part of the peripheral surface of the shaft 710, then the long tightening body Wind around a part of the peripheral surface of the hook 702 and loop it, then insert it between the peripheral surface of the long tightening body changing shaft 710 and the surface 900a of the previously wound part and wind it in a double hook state Pull out to the insertion side (return side long tightening body) When the object to be tightened is tightened and the rotation arm 700 is tilted and rotated, the long tightening body hanging rod 702 and the long tightening body change shaft The belt 900 between 710 comes to a position deviated from the position of the axis 705 of the rotating arm 700 to the back side of the buckle so that the returning rotation of the rotating arm 700 is prevented. In the figure, reference numeral 801 denotes a shaft that winds and fixes the other end of the belt provided on the buckle frame 800.
The tightening buckle of this example is provided with one set of a long tightening body changing shaft 710, a pair of rotating arms 700, a long tightening body hook 702 and a rotating arm stopper 800s on one side of the buckle frame 800. One set of both sides of the buckle frame 800 may be provided.
That is, this fastening buckle is characterized in that the center 705 of the rotating shaft 704 of the rotating arm 700 and the shaft center 711 of the long tightening body changing shaft 710 are offset.
FIG. 20 shows a dynamic model for analyzing a self-fastening holding type fastening buckle. The origin O of the xy coordinate is the axis 711 of the long tightening body changing shaft 710 (hereinafter also referred to as the main shaft 710). The x-axis is parallel to the buckle frame 800. The center of the long elastic body hanging rod 702 (hereinafter also referred to as the counter shaft 702) of the rotating arm 700 is O 1 , and the center 705 of the rotating shaft 704 of the rotating arm 700 is O 2 . Point O 2 is at an angle φ from the x-axis and a distance L 1 from the origin O. The radius of the main shaft 710 is R, and the radius of the sub shaft 702 is r. L 2 is the length from the axis 705 to the axis 701 of the secondary axis 702. Let β be the angle between L 1 and L 2 . T 1 , T 2 , T 3 , and T 4 are belt tensions, and T 1 > T 4 is set. The angle ζ is an angle formed by the x axis and the straight line OO 1 , and α is an angle formed by the straight line L 2 connecting the x axis and the axis center of the rotation arm. L is the length from the center O of the main shaft 710 to the center O 1 (701) of the sub shaft 702, and L varies with the angle α or ζ.
The length L is a function of L 1 , L 2 , α, and φ, and is expressed by Equation 5. The angle ζ is a function of L 1 , L 2 , α, and φ, and is expressed by Equation 6.

Figure 0004355788
Figure 0004355788

Figure 0004355788
実際にベルトを締結する際は，回動ア−ム700をバックルの表面前方側に突出位置させた所謂回動アームを開いた状態（αの大きい状態）で図１９に示すようにバックルにベルトを通し，張力Ｔ4を加えることでベルトの弛みを取り，図１９に二点鎖線で描いた状態となるように回動ア−ム700を回動させれば良い．アームの回動に伴いベルトは強力に締め上げられ主軸710に強く巻きつけられる．この回動に伴い増加する副軸702に巻きつけられたベルトの張力Ｔ2，Ｔ3は，回動ア−ム700の回転軸（ピン支持Ｏ2）により支持されるが，ベルト張力Ｔ2，Ｔ3によるア−ム回転軸中心Ｏ2回りのトルクＭはここＯ2では支持できない．ベルト張力Ｔ2，Ｔ3によるトルクＭは，数７で表される．
Figure 0004355788
 When the belt is actually fastened, the belt is attached to the buckle as shown in FIG. 19 in a state in which a so-called turning arm in which the turning arm 700 projects to the front side of the buckle is opened (a state where α is large). Then, the belt T may be loosened by applying a tension T 4 , and the rotating arm 700 may be rotated so as to be in the state depicted by the two-dot chain line in FIG. As the arm rotates, the belt is strongly tightened and tightly wound around the main shaft 710. The belt tensions T 2 and T 3 wound around the auxiliary shaft 702 that increases with the rotation are supported by the rotation shaft (pin support O 2 ) of the rotation arm 700, but the belt tension T 2 , by T 3 a - torque M of the beam rotation axis center O 2 around the unsustainable here at O 2. Torque M due to belt tensions T 2 and T 3 is expressed by Equation 7.

Figure 0004355788
ここでｃ2，ｃ3は主軸710と副軸702間に亘るループ状のベルトと、主軸710と副軸702の周
面との接触境界点であるＰ2，Ｐ3，Ｐ4，Ｐ5の位置とともに変わる変数である．数７をベ
ルト張力Ｔ1によるＯ点回りのトルクで除して無次元化したトルクを数８のＮで表わす．
Figure 0004355788
 Here, c 2 and c 3 are P 2 , P 3 , P 4 and P 5 which are contact boundary points between the loop belt extending between the main shaft 710 and the sub shaft 702 and the peripheral surface of the main shaft 710 and the sub shaft 702. Is a variable that changes with the position of. The torque obtained by dividing Formula 7 by the torque around point O due to belt tension T 1 is represented by N in Formula 8.

Figure 0004355788
一例として，ベルト張力Ｔ1，Ｔ4がｘ軸方向の場合，φ＝45°，Ｌ2／Ｌ1＝2，Ｌ1／Ｒ＝2，Ｒ＝ｒ，μ＝μbとして数８を計算した結果を図２１に示す．ここでμはベルトと主軸710と副軸702の周面との摩擦係数，μbはベルト同士の摩擦係数である．
図２１から分かるように，摩擦係数による僅かな違いはあるものの，回動アーム700の倒し回動角度αを小さくしていくと，回動トルクの符号がプラスからマイナスに変化する．
図２１ではα≒16°を境に回動トルクの方向が逆転する．このことはベルトを締結しようとしてαを小さくするためのトルクを回動ア−ムに加えていくと，数7で表わされるトルクＭが0となる臨界角度αcを境に，αをさらに小さくする方向のトルクになることを意味する．しかしながら図１８または図１９から分かるように，回動ア−ム700はバックル裏面側に設けた回動ア−ムストッパ−800ｓに当接して停止する．回動ア−ムストッパ−800ｓはアームトルクをバックル枠体に伝える役割をしており，ア−ムストッパ−800ｓが無ければアームトルクはバックルを押上げようとする．停止状態ではベルト張力により回動角度αをさらに小さくしようとするトルクＭが回動ア−ムストッパ−800ｓに対し常に作用しているため，締結状態は安定して維持される．そのため一般のベルト締結具にあるようなラチェットや緩み止めストッパ−などの機構は不要となる．ベルトを締結状態から解除するには，回動ア−ム700にαを大きくする方向の外部トルクを最初だけ与えればよい．すると回動トルクの符号の逆転する臨界角度αcを境に，ベルト張力によるトルクが締結状態を解放する方向に作用することで締結状態は急激に解除される．このように回動ア−ム700を単に回動させるだけで，ベルトの締結と解除をワンタッチで切り変えることができる．なお，締結状態の解除に必要な初期トルクは，図１９に示すように，副軸702の直ぐ下（バックル表面側）にある引き出しベルト端部を上に引き上げて回動ア−ム700を僅かに戻り回動させるだけで良いため非常に簡単である．このバックルは極めて簡単な操作でベルトの確実な緊締ロックとその解除ができるため，あらゆる被締め物体の梱包や搬送荷造りベルト用、靴紐・ベルト締め用等々他方面に利用することができる．
本実施例７の締めバックルにおける、両端のベルト張力比Ｔ4／Ｔ1を計算した結果の一例を図２２に示す．計算条件は図２１と同じである．回動アームの倒し回動角度αの減少とともにベルト張力比は減少して負の値となるが，ベルトでは圧縮力を負担できないため，張力比が負であることはベルトは完全ロック状態になったことを意味する．例えば図２２のμ=μb=0.15の場合，α＜105°ではベルトはバックルにより完全ロックされたことを表わす．図２２においてベルト張力比Ｔ4／Ｔ1＝０になる角度αが，図２１で示した無次元ア−ム回動トルクN＝０になる角度より大きいことが，完全ロック状態を安定して維持できる必要条件である．たとえばμ=μb=0.15の場合，図２１において、N=0となる角度αを読むとα≒16°であり，図２２でＴ4／Ｔ1＝０の角度αを読むとα＝105°となるため必要条件は十分に満足されている．市販のベルトの摩擦係数は通常μ＞０．２であるため，ほとんどこの必要条件は満たされる．そのため本例の締めバックルを使えばベルトを完全にロックすることができる．
図２３は、回動ア−ムの倒し回動角度αに対するバックル枠体内のベルト長さを計算した一例である．角度αの減少に伴いベルト長さは長くなり，最大値に達した後は少し減少することが分かる．このことは回動ア−ムの倒し回動角度αを小さくするとベルトはバックル内に巻き上げられることを意味しており，完全ロック状態となった以降もさらにαを小さくすると，それに対応するバックル内のベルト長さの増分はベルト或いは被締結体の弾性変形によって補われることでベルトには大きな張力が発生する．
図２４は回動ア−ムを簡略化した例を示す．図２５は回動ア−ム700をバックル枠体の外側から嵌め込むようにした変形例である．図２６はバックル枠体800を湾曲させた例である．このような曲線形状のバックルを例えば靴を固定する紐やベルトに利用すれば，一般に使われている靴の結び紐やマジックベルトに比べて遥かに簡単でしかも確実に靴を足に固定することができる．一方，靴を脱ぐ際には回動ア−ムを回動するだけで楽に靴を脱ぐことができる．図２６では大きなベルト張力が作用した場合には回動ア−ム自身が湾曲側に変形して撓むことで，過度のベルト張力が作用しないようにする機能もある。
Figure 0004355788
 As an example, when belt tensions T 1 and T 4 are in the x-axis direction, Equation 8 is calculated assuming φ = 45 °, L 2 / L 1 = 2, L 1 / R = 2, R = r, and μ = μ b. Figure 21 shows the results. Where μ is the friction coefficient between the belt and the peripheral surface of the main shaft 710 and the counter shaft 702, and μ b is the friction coefficient between the belts.
As can be seen from FIG. 21, although there is a slight difference depending on the friction coefficient, the sign of the rotational torque changes from positive to negative as the rotational angle α of the rotational arm 700 is decreased.
In FIG. 21, the direction of rotational torque reverses at α≈16 °. This means that when a torque for reducing α is applied to the rotating arm in order to fasten the belt, α is further reduced at the critical angle α c at which the torque M expressed by Equation 7 becomes zero. This means that the torque is in the direction of However, as can be seen from FIG. 18 or FIG. 19, the rotating arm 700 comes into contact with the rotating arm stopper 800s provided on the back side of the buckle and stops. The rotating arm stopper 800s serves to transmit the arm torque to the buckle frame. If there is no arm stopper 800s, the arm torque tries to push up the buckle. In the stopped state, the torque M, which attempts to further reduce the rotation angle α due to the belt tension, is constantly acting on the rotation arm stopper 800s, so that the fastening state is stably maintained. For this reason, mechanisms such as ratchets and locking stoppers that are used in general belt fasteners are not required. To release the belt from the fastened state, external torque in the direction of increasing α should be applied to the rotating arm 700 only at the beginning. Then, at the critical angle α c where the sign of the rotation torque is reversed, the tightening state is suddenly released by the torque due to the belt tension acting in the direction of releasing the fastening state. Thus, the belt can be fastened and released with a single touch by simply turning the arm 700. As shown in FIG. 19, the initial torque required to release the fastened state is slightly increased by pulling up the end of the pull-out belt immediately below the countershaft 702 (buckle surface side). It is very simple because it is only necessary to return to and rotate. This buckle can be used for the other side, such as packing of any objects to be fastened, for transporting and packing belts, for shoelaces and belts, etc.
An example of the result of calculating the belt tension ratio T 4 / T 1 at both ends in the tightening buckle of Example 7 is shown in FIG. The calculation conditions are the same as in FIG. The belt tension ratio decreases and becomes negative as the rotation angle α decreases, but the belt cannot bear the compressive force, so a negative tension ratio means that the belt is completely locked. Means that For example, in the case of μ = μ b = 0.15 in FIG. 22, when α <105 °, the belt is completely locked by the buckle. In FIG. 22, the angle α at which the belt tension ratio T 4 / T 1 = 0 is larger than the angle at which the dimensionless arm rotation torque N = 0 shown in FIG. This is a necessary condition that can be maintained. For example, in the case of μ = μ b = 0.15, the angle α at which N = 0 is read in FIG. 21 is α≈16 °, and the angle α at T 4 / T 1 = 0 is read in FIG. The necessary conditions are sufficiently satisfied. Commercial belts usually have a coefficient of friction of μ> 0.2, so this requirement is almost met. Therefore, the belt can be completely locked by using the tightening buckle of this example.
FIG. 23 shows an example in which the belt length in the buckle frame with respect to the rotation angle α of the rotation arm is calculated. It can be seen that the belt length increases as the angle α decreases, and decreases slightly after reaching the maximum value. This means that if the rotation angle α of the rotation arm is reduced, the belt is wound up in the buckle. If α is further reduced even after the locked state is reached, the belt is moved into the corresponding buckle. The increase in belt length is compensated by the elastic deformation of the belt or the fastened body, and a large tension is generated in the belt.
FIG. 24 shows a simplified example of the turning arm. FIG. 25 shows a modified example in which the rotating arm 700 is fitted from the outside of the buckle frame. FIG. 26 shows an example in which the buckle frame 800 is curved. If such a curved buckle is used for, for example, a strap or a belt for fixing a shoe, it is much easier and more reliable to fix the shoe to the foot than a commonly used shoe tie or magic belt. Is possible. On the other hand, when you take off your shoes, you can easily take off your shoes just by turning the turning arm. In FIG. 26, when a large belt tension is applied, the rotating arm itself is deformed and bent toward the curved side, thereby preventing excessive belt tension from acting.

本発明の製造方法による長尺緊締体の締バックルは、前記の簡単な機構によりバックル自体を動かすことなく、長尺緊締体掛けした回動アームのワンタッチ操作で、長尺緊締体変更軸に二重に巻き付けた長尺緊締体を強圧接・迅速弛緩することにより物品の締め付けとその解除を容易かつ確実に行うものである。
これにより各種物品の梱包、荷造り、荷役作業、貨物の固定、靴紐、レジャー用品、住宅や構造物などの簡易的地震補強対策なども簡単迅速にしかも安価に実施することができるものである。 The tightening buckle of the long tightening body according to the manufacturing method of the present invention can be applied to the long tightening body changing shaft by one-touch operation of the rotating arm hung on the long tightening body without moving the buckle itself by the simple mechanism. By tightening and quickly relaxing a heavy-duty long tightening body, the article can be easily and reliably tightened and released.
As a result, it is possible to easily and quickly implement various measures such as packing various items, packing, handling work, fixing cargo, shoelaces, leisure goods, simple earthquake reinforcement measures for houses, structures, etc.

本発明の製造方法による長尺緊締体の締バックルの実施例１としてベルト締バックル例を示す鳥瞰図である。It is a bird's-eye view which shows the belt fastening buckle example as Example 1 of the fastening buckle of the long tightening body by the manufacturing method of this invention. 図１に示す実施例１のベルト締バックルを用いてのベルト装着・ベルト締状態を示す側断面説明図である。FIG. 3 is a side cross-sectional explanatory view showing a belt mounting / belt tightening state using the belt tightening buckle of Example 1 shown in FIG. 図２に示すベルト装着・ベルト締状態から回動アームを回動させてバックル枠体内に収容した状態を示す側断面説明図である。FIG. 3 is a side cross-sectional explanatory view showing a state in which a rotating arm is rotated from the belt mounted / belt tightened state shown in FIG. 2 and accommodated in a buckle frame body. 本発明の長尺緊締体の締バックルの製造方法の原理をベルト締バックルを例に説明するものであり、回動アームとベルト変更軸とこれらへのベルト巻き付け状態を(1)に示し、説明のため径を拡大したベルト変更軸にベルトを部分的に二重巻きに巻き付けた状態を(2)に示す拡大説明図である。The principle of the manufacturing method of the tightening buckle of the long tightening body of the present invention will be described by taking the belt tightening buckle as an example, and the rotating arm, the belt changing shaft, and the belt winding state around these are shown in (1) and described. For this reason, (2) is an enlarged explanatory view showing a state in which the belt is partially wound around the belt changing shaft whose diameter has been enlarged. 図４におけるベルト二重部のベルト同士の摩擦力のみでベルトを固定する際のベルト同士の摩擦係数とベルト二重巻き付き角度の関係を示すグラフである。5 is a graph showing a relationship between a friction coefficient between belts and a belt double winding angle when the belts are fixed only by the frictional force between the belts in the belt double part in FIG. 4. 数１によるベルト締バックルの展開角度に伴うベルト張力比の変化を示すグラフである。6 is a graph showing a change in belt tension ratio according to a deployment angle of a belt tightening buckle according to Formula 1. 図６と同様に数1によるベルト締バックルの展開角度に伴うベルト張力比の変化を示すグラフである。FIG. 7 is a graph showing a change in belt tension ratio according to a deployment angle of a belt tightening buckle according to Formula 1 as in FIG. 6. 数４によるベルト締バックルの展開角度に伴うベルト張力比の変化を示すグラフである。6 is a graph showing a change in belt tension ratio according to a deployment angle of a belt tightening buckle according to Equation 4. 数４によるベルト締バックルの展開角度に伴うベルト張力比の変化を示すグラフである。6 is a graph showing a change in belt tension ratio according to a deployment angle of a belt tightening buckle according to Equation 4. 本発明の実施例２のベルト締バックルで作成したモデルの鳥瞰図である。It is a bird's-eye view of the model created with the belt fastening buckle of Example 2 of this invention. 本発明の実施例２のベルト締バックルでベルト装着・ベルト締状態を示す側断面説明図である。It is side sectional explanatory drawing which shows a belt mounting | wearing and belt fastening state with the belt fastening buckle of Example 2 of this invention. 図１１に示すベルト装着・締状態から一対の回動アームを両サイドに回動させてバックル枠体内に収容した状態を示す側断面説明図である。FIG. 12 is an explanatory side sectional view showing a state in which a pair of rotating arms are rotated to both sides from the belt mounting / tightening state shown in FIG. 実施例２のベルト締バックルを荷物の梱包に適用したモデルの鳥瞰図である。It is a bird's-eye view of the model which applied the belt fastening buckle of Example 2 to packing of a load. 実施例２を四方向ベルト対応に変形した実施例３のモデルの鳥瞰図である。It is a bird's-eye view of the model of Example 3 which changed Example 2 corresponding to a four-way belt. 実施例２を９０度の２方向対応に変形した実施例４のモデルの鳥瞰図である。It is a bird's-eye view of the model of Example 4 which changed Example 2 into 2 directions corresponding to 90 degrees. 実施例２の変形例で、折れ曲がり、球面、円筒などの曲面を有する物品をベルトで固定する際に利用するベルト締バックルで中央部を回転軸で連結し折れ曲がる構造にした実施例５のモデルの鳥瞰図である。In the modification of the second embodiment, the model of the fifth embodiment has a structure in which a central portion is connected by a rotating shaft with a belt tightening buckle that is used when an article having a curved surface such as a spherical surface or a cylinder is fixed with a belt. It is a bird's-eye view. 実施例６の紐の締バックル例のモデルの鳥瞰図を(1)に示し、その矢視A-Aからの側断面図で紐を巻き付けた状態を(2)に示す。A bird's-eye view of a model of the string tightening buckle example of Example 6 is shown in (1), and a state in which the string is wound is shown in (2) in a side sectional view from the arrow AA. 実施例７の自己締結保持型長尺体バックルを示す斜視説明図である。It is a perspective explanatory view showing a self-fastening holding type long body buckle of Example 7. 図１８の矢視Ａ−Ａからの縦断面説明図である。It is longitudinal cross-sectional explanatory drawing from arrow AA of FIG. 実施例７の自己締結保持型長尺体バックルの力学モデルを示す。The dynamic model of the self-fastening holding | maintenance type long body buckle of Example 7 is shown. 実施例７の回動ア−ムの回動に伴う無次元回動トルクＮの変化を示すグラフである。It is a graph which shows the change of the dimensionless rotation torque N accompanying rotation of the rotation arm of Example 7. 実施例７の回動ア−ムの回動に伴うベルト張力比の変化を示すグラフである。14 is a graph showing a change in belt tension ratio accompanying the rotation of the rotation arm of Example 7. 実施例７の回動ア−ムの角度αとバックル内ベルト長の関係を示すグラフである。It is a graph which shows the relationship of the angle (alpha) of the rotation arm of Example 7, and the belt length in a buckle. 実施例７の回動ア−ムを丸棒で製作した変形例を示す斜視説明図である。It is perspective explanatory drawing which shows the modification which produced the rotation arm of Example 7 with the round bar. 実施例７の回動ア−ムを丸棒で製作した変形例(外側から嵌め込むタイプ)を示す斜視説明図である。It is perspective explanatory drawing which shows the modification (type to be fitted from the outer side) which manufactured the rotation arm of Example 7 with the round bar. 実施例７のバックルのフレ−ムと回動ア−ムを曲線にした変形例を示す斜視説明図である。It is perspective explanatory drawing which shows the modification which made the frame and rotation arm of the buckle of Example 7 into a curve. 従来例を示す側断面である。It is a side section showing a conventional example.

10 100 ベルト締バックル
11 101 800 バックル枠体
200 900 ベルト
202 ベルトの他端部
301 ベルト変更軸
32a、32b 302 700 回動アーム
303 702 ベルト掛け桿
31a、31b 710 ベルト変更軸
33a、33b ベルト掛け桿
１ 紐の締バックル
800ｓ 回動アームストッパー 10 100 Belt buckle
11 101 800 Buckle frame
200 900 belt
202 The other end of the belt
301 Belt change shaft
32a, 32b 302 700 Rotating arm
303 702 Belt hook
31a, 31b 710 Belt changing shaft
33a, 33b Belt hook 1 Tightening buckle
800s Rotating arm stopper

Claims (3)

被締め物体の表面に裏面を当接するバックル枠体にその側方から長尺緊締体の端部を挿入して軸に巻き付ける長尺緊締体の締バックルにおいて、前記バックル枠体の片側に、又は両側各々に、前記長尺緊締体の端部の挿入方向と直交する長尺緊締体変更軸を設けると共に、一端部を前記長尺緊締体変更軸の両側に回転可能に枢着しバックル表面側で回動可能にした一対の回動アームを設け、前記一対の回動アームの他端部に前記長尺緊締体変更軸に対して平行に長尺緊締体掛け桿を設け、前記回動アームを長尺緊締体変更軸を中心に長尺緊締体挿入側に回動移動可能にし、長尺緊締体の端部をバックル枠体の側方から挿入して、その表面を前記長尺緊締体変更軸の周面の一部に巻いて方向変更し、その後、前記長尺緊締体掛け桿の周面の一部に巻いてループ掛けし、次いで前記長尺緊締体変更軸の周面と、先に巻いた部分の表面との間に挿入して二重掛け状態に巻き付けて挿入側に引き出してリターン側にした長尺緊締体を締めた後に回動アームを長尺緊締体の挿入側に回動し倒しての固定は、前記長尺緊締体変更軸の二重巻き付き前の挿入側にある長尺緊締体の張力T1と二重掛け状態に巻き付けて挿入側に引き出してリターン側にした長尺緊締体の張力T4との関係が、長尺緊締体と長尺緊締体変更軸及び長尺緊締体掛け桿との摩擦係数をμ，長尺緊締体同士の摩擦係数をμb、長尺緊締体の巻き付け角をθij とすると、T1＞T4である場合は数1となり、T1＜T4である場合は数4とすると共に、
回動アームを反挿入側に回動しての長尺緊締体の上記固定の解除は、前記長尺緊締体変更軸の二重巻き付き前の挿入側にある長尺緊締体の張力T1と二重掛け状態に巻き付けて挿入側に引き出してリターン側にした長尺緊締体の張力T4との関係が、長尺緊締体と長尺緊締体変更軸及び長尺緊締体掛け桿との摩擦係数をμ，長尺緊締体同士の摩擦係数をμb、長尺緊締体の巻き付け角をθij とすると、T1＞T4である場合は数1となり、T1＜T4である場合は数4となる
Figure 0004355788
Figure 0004355788
 ことを特徴とする長尺緊締体の締バックルの製造方法。 A tightening buckle of a long tightening body in which an end of a long tightening body is inserted from the side into a buckle frame body abutting the back surface on the surface of the object to be tightened and wound around a shaft, on one side of the buckle frame body, or A long tightening body changing shaft orthogonal to the insertion direction of the end of the long tightening body is provided on each of both sides, and one end is pivotally attached to both sides of the long tightening body changing shaft, and the buckle surface side A pair of rotating arms that can be rotated at the other end of the pair of rotating arms, and provided with a long elastic body hanging rod parallel to the long elastic body changing shaft at the other end of the pair of rotating arms. The end of the long tightening body is inserted from the side of the buckle frame body, and the surface of the long tightening body is inserted into the long tightening body. Change the direction by winding around a part of the peripheral surface of the change shaft, and then part of the peripheral surface of the long tightening body hanging rod Winding and looping, then inserting between the circumference of the long tightening body changing shaft and the surface of the previously wound part, winding it in a double hanging state, pulling it out to the insertion side and returning it to the return side After tightening the length tightening body, the rotation arm is rotated to the insertion side of the long length tightening body and fixed to fix the long length tightening body on the insertion side before double winding of the long tightening body changing shaft. relationship between the tension T 4 tension T 1 and elongated clamping body in which the return side is pulled out to the insertion side is wound around the double-seat state, the elongated clamping body and an elongated clamping body change shaft and the elongate clamping member seat Assuming that the coefficient of friction with the rod is μ, the coefficient of friction between the long elastic bodies is μ b , and the winding angle of the long elastic bodies is θ ij , the following formula is obtained when T 1 > T 4 and T 1 <T If it is 4 , then the number is 4 and
Release of the above-mentioned fixation of the long elastic body by rotating the rotating arm to the non-insertion side is performed by the tension T 1 of the long elastic body on the insertion side before double winding of the long elastic body changing shaft. relationship between the tension T 4 of the return side is pulled out to the insertion side is wound around the double-seat state elongate clamping body, friction between the elongate clamping member and the elongate clamping member change shaft and the elongate clamping member hanging rod If the coefficient is μ, the coefficient of friction between long elastic bodies is μ b , and the winding angle of the long elastic bodies is θ ij , then if T 1 > T 4 , then Equation 1 and T 1 <T 4 Becomes the number 4
Figure 0004355788
Figure 0004355788
 A method for producing a tightening buckle of a long tightening body. バックル枠体に、回動アームを固定するストッパーを設けた請求項１に記載の長尺緊締体の締バックルの製造方法。 The manufacturing method of the fastening buckle of the elongate fastening body of Claim 1 which provided the stopper which fixes a rotation arm in a buckle frame. 被締め物体の表面に裏面を当接するバックル枠体にその側方から長尺緊締体の端部を挿入して軸に巻き付ける長尺緊締体の締バックルにおいて、前記バックル枠体の片側に、又は両側各々に、前記長尺緊締体の端部の挿入方向と直交する長尺緊締体変更軸を設けると共に、一端部を前記長尺緊締体変更軸の両側に回転可能に枢着しバックル表面側で回動可能にした一対の回動アームを設け、前記一対の回動アームの他端部に前記長尺緊締体変更軸に対して平行に長尺緊締体掛け桿を設け、前記回動アームを長尺緊締体変更軸を中心に長尺緊締体挿入側に回動移動可能にし、長尺緊締体の端部をバックル枠体の側方から挿入して、その表面を前記長尺緊締体変更軸の周面の一部に巻いて方向変更し、その後、前記長尺緊締体掛け桿の周面の一部に巻いてループ掛けし、次いで前記長尺緊締体変更軸の周面と、先に巻いた部分の表面との間に挿入して二重掛け状態に巻き付けて挿入側に引き出してリターン側にした長尺緊締体を締めた後に回動アームを長尺緊締体の挿入側に回動し倒しての固定は、前記長尺緊締体変更軸の外側巻きで長尺緊締体掛け桿に亘る直線状の長尺緊締体の位置をアーム後端の回動軸位置より被締め付け物体側にすると共に、前記長尺緊締体変更軸の二重巻き付き前の挿入側にある長尺緊締体の張力T1と二重掛け状態に巻き付けて挿入側に引き出してリターン側にした長尺緊締体の張力T4との関係が、長尺緊締体と長尺緊締体変更軸及び長尺緊締体掛け桿との摩擦係数をμ，長尺緊締体同士の摩擦係数をμb、長尺緊締体の巻き付け角をθij とすると、T1＞T4である場合は数1となり、T1＜T4である場合は数4となると共に、
回動アームを反挿入側に回動しての長尺緊締体の上記固定の解除は、前記長尺緊締体変更軸の二重巻き付き前の挿入側にある長尺緊締体の張力T1と二重掛け状態に巻き付けて挿入側に引き出してリターン側にした長尺緊締体の張力T4との関係が、長尺緊締体と長尺緊締体変更軸及び長尺緊締体掛け桿との摩擦係数をμ，長尺緊締体同士の摩擦係数をμb、長尺緊締体の巻き付け角をθij とすると、T1＞T4である場合は数1となり、T1＜T4である場合は数4となる
Figure 0004355788
Figure 0004355788
 ことを特徴とする長尺緊締体の締バックルの製造方法。 A tightening buckle of a long tightening body in which an end of a long tightening body is inserted from the side into a buckle frame body abutting the back surface on the surface of the object to be tightened and wound around a shaft, on one side of the buckle frame body, or A long tightening body changing shaft orthogonal to the insertion direction of the end of the long tightening body is provided on each of both sides, and one end is pivotally attached to both sides of the long tightening body changing shaft, and the buckle surface side A pair of rotating arms that can be rotated at the other end of the pair of rotating arms, and provided with a long elastic body hanging rod parallel to the long elastic body changing shaft at the other end of the pair of rotating arms. The end of the long tightening body is inserted from the side of the buckle frame body, and the surface of the long tightening body is inserted into the long tightening body. Change the direction by winding around a part of the peripheral surface of the change shaft, and then part of the peripheral surface of the long tightening body hanging rod Winding and looping, then inserting between the circumference of the long tightening body changing shaft and the surface of the previously wound part, winding it in a double hanging state, pulling it out to the insertion side and returning it to the return side After tightening the length tightening body, the rotation arm is turned to the insertion side of the long length tightening body and fixed by rotating the long tightening body on the outer side of the long tightening body changing shaft. the position of the elongate clamping member as well as on the object side tightening the from rotation axis position of the arm rear end, the tension T 1 of the elongate clamping member is in the double winding before insertion side of the elongated clamping body change shaft relationship between the tension T 4 of the return side is pulled out to the insertion side is wound around the double-seat state elongate clamping body, friction between the elongate clamping member and the elongate clamping member change shaft and the elongate clamping member hanging rod the coefficient mu, the coefficient of friction between the elongated clamping body mu b, when the winding angle of the long clamping body and θ ij, T 1> T 4 der The number becomes 1 case, the case is T 1 <T 4 becomes Equation 4,
Release of the above-mentioned fixation of the long elastic body by rotating the rotating arm to the non-insertion side is performed by the tension T 1 of the long elastic body on the insertion side before double winding of the long elastic body changing shaft. relationship between the tension T 4 of the return side is pulled out to the insertion side is wound around the double-seat state elongate clamping body, friction between the elongate clamping member and the elongate clamping member change shaft and the elongate clamping member hanging rod If the coefficient is μ, the coefficient of friction between long elastic bodies is μ b , and the winding angle of the long elastic bodies is θ ij , then if T 1 > T 4 , then Equation 1 and T 1 <T 4 Becomes the number 4
Figure 0004355788
Figure 0004355788
 Producing how the fastening buckle of the elongated clamping members, characterized in that.
JP2008042279A 2007-05-21 2008-02-23 A manufacturing method of a tightening buckle of a long tightening body. Expired - Fee Related JP4355788B2 (en)

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