JP2004016805A - String holding hook and method for holding hook - Google Patents

String holding hook and method for holding hook Download PDF

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Publication number
JP2004016805A
JP2004016805A JP2002215874A JP2002215874A JP2004016805A JP 2004016805 A JP2004016805 A JP 2004016805A JP 2002215874 A JP2002215874 A JP 2002215874A JP 2002215874 A JP2002215874 A JP 2002215874A JP 2004016805 A JP2004016805 A JP 2004016805A
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JP
Japan
Prior art keywords
string
hook
wire
knot
layer
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Pending
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JP2002215874A
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Japanese (ja)
Inventor
Hitoshi Tsuchida
土田 仁史
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Individual
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Individual
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Priority to JP2002215874A priority Critical patent/JP2004016805A/en
Publication of JP2004016805A publication Critical patent/JP2004016805A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an S-shaped hook for holding a string, on which the string such as a hanging string can be mounted with ease without tying the string to the hook. <P>SOLUTION: The hook 1 which is formed in an approximately S-shape with a wire 4 through a bending process, is composed of a hanging section 2 formed in an approximately C-shape and a string mounting section 3 formed in a ring shape, and the string mainting section 3 is formed by helically winding two layers, i.e., by forming the first layer of the wire 4 extended from the hanging section 2 in the ring shape and forming the second layer in the C-shape . A string locking section 5 where the string 10 is forced in is formed between the wires 4a, 4b of two layers, the string 10 with a knot 11 is inserted into the string locking section 5, which is made so as to catch the knot 11, whereby the string 10 is mounted on the hook 1 with a single touch. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】
【発明の属する技術分野】
本発明は、電気器具の電源スイッチなどにスイッチ操作紐を結び付ける用途に好適な紐止め用フックと、このフックに紐を取付ける紐止め方法に関する。
【0002】
【従来の技術と課題】
電気器具にスイッチ操作紐などの紐を結び付ける紐止め用フックは、SカンやSフックと通称されている略S字状の鋼線製フックが一般的である。この種フックは、電気器具の電源スイッチに形成した取付穴に挿脱可能に係止される略C字状の引掛け部と、この引掛け部と一体の紐止め部で形成される。引掛け部は一本の鋼線を略C字状に曲げ成形した部分であり、紐止め部は引掛け部からの一本の鋼線を環状に曲げ成形した部分である。環状の紐止め部に紐を挿通して巻き付け、紐同士を結ぶことで、紐止め部の一本の鋼線に紐を結び付けている。
【0003】
上記のような紐止め用フックは、全長が1cm前後の小さなものであり、このフックの小さな内径の環状紐係止部に紐を挿通して結び付ける作業は、両手を使った細かい作業が必要であって、熟練者といえども作業性が悪い。また、フックに紐を結び付けた紐付フック或いはフック付紐の中間製品が電気器具のメーカーなどに出荷されているが、フックに紐を結び付ける作業性が悪いために、紐付フック或いはフック付紐の製品コスト、出荷コストの低減が難しい。さらに、フックの環状部分に紐を巻き付けて結ぶだけのため、紐の結び目が緩むと結び目がフックの環状紐止め部を移動したり、紐が解けてフックから外れるといった不具合があった。
【0004】
本発明は、紐をワンタッチ式に取付けることのできる紐止め用フックを提供することを目的とする。
【0005】
【課題を解決するための手段】
本発明の紐止め用フックは、略C字状の引掛け部と環状の紐取付部を一本の線材で形成したフックで、紐取付部が、引掛け部から延在する線材を一層目は環状に、二層目は略C字状にして二層に螺旋巻きし、一層目と二層目の線材間に線材を弾性変形させて外部から紐が圧入される紐係止部を有する構造であることを特徴とする。また、前記紐取付部の二層目の線材の先端部を、一層目の線材に向けて略90°に屈曲させ、この屈曲先端部を紐係止部に圧入された紐の抜け止め手段に使用する。
【0006】
このようなフックは、鋼線や硬質樹脂線の線材製品で、一本の線材を二層に螺旋巻きして形成した環状の紐取付部の二層に重なる線材間に環状の紐係止部が形成される。この紐係止部に紐を挿入すると、紐で二層の線材が押圧されて弾性変形し、このときの弾力が紐に加わって紐を弾力的強固に係止する。紐を係止する弾力を規定値以上に設定しておくと、環状の紐取付部に紐を通して結び付けることなく、紐を紐係止部に圧入するだけのワンタッチ的な作業で紐をフックに安定させて止めることができる。また、フックに止めた紐には、紐取付部の線材による弾力が常時附勢されているので、紐取付部で紐が動かず安定し、フックから紐が不本意に外れる虞が無くなる。
【0007】
上記紐止め用フックに紐を、次のように取付けることが望ましい。紐止め用フックの紐係止部に結び目を有する紐の結び目のない一部を圧入して、紐を紐係止部と交差する方向に引き出すように引っ張る。そして、最終的に紐の結び目を紐係止部に係止させると、結び目が紐係止部に引っ掛かって抜けなくなり、紐のワンタッチ的な取付けが終了する。紐の結び目は、紐の端部に1〜2回の結び輪を作り、この結び輪を締め込むことで形成すればよい。このような結び目は、片手操作で作業性良くできる。
【0008】
【発明の実施の形態】
図1〜図8を参照して実施の形態を説明する。
【0009】
図1〜図3に示される紐止め用フック1は略S字状の鋼線製品で、略C字状の引掛け部2と、環状の紐取付部3を有する。引掛け部2は電気機器の電源スイッチなどに挿脱可能にワンタッチで引掛けられる部所で、形状は図示例に限らない。本発明の特徴は、鋼線の線材4で環状に形成された紐取付部3の構造にある。
【0010】
フック1の紐取付部3は、引掛け部2から延在する一本の線材4を二層に螺旋巻きして構成される。引掛け部2から一層目の線材4aが環状に成形され、二層目の線材4bが略C字状に螺旋巻きされて一層目の線材4aに重合し、一層目と二層目の線材4a、4bの間に図4に示すような紐10が圧入される紐係止部5が形成される。紐係止部5は、紐10が各線材4a、4bを弾性変形させて挿入される程度の隙間で構成され、ここに挿入された紐5を線材4a、5bの弾性復帰力で挟圧して係止する。
【0011】
二層目の線材4bの先端部4cが、一層目の線材4a側に折曲される。この折曲された先端部4cは、紐係止部5を横切って紐係止部5からの紐10の抜けを防止する。折曲先端部4cと引掛け部2の間に紐10が自由に入る隙間gが形成される。
【0012】
図4は、フック1の紐取付部3に一本の紐10を取付けた状態が示される。紐10は片端部に1つの結び目11を有し、他端部に紐引張用つまみ12がスライド自在に装着される。紐10は、図5(A)、(B)に示す要領でフック1にワンタッチ式に連結される。すなわち、紐10の結び目11の近くの一部をフック1の引掛け部2と紐取付部3の間の隙間gから線材4に交差させて線材4に押し付け、そのまま線材4に摺接させて紐係止部5の中に圧入する。そして、紐10を環状の紐係止部5の半径方向に引っ張って結び目11を紐係止部5に係止させることで、フック1への紐10のワンタッチ的な取付けが終了する。
【0013】
図4の状態で、フック1の引掛け部2を図示しない電気器具の電源スイッチなどに引掛けて、フック1から紐10を吊り下げる。この紐10を下方に引っ張ると、結び目11がフック1の紐係止部5に係止して外れず、紐10で電源スイッチなどの手動操作が行われる。
【0014】
図4の状態で紐10は、紐取付部3の二本の線材4a、4bで常時弾力的に挟圧されているため、結び目11のある上端部が紐取付部3dで積極的に所定の強度で支持され、紐取付部3bを自由移動することがない。また、フック1から吊り下げられた紐10を過大な強度で引っ張ると、結び目11が紐係止部5に食い込んで外れることが考えられるが、このような過大な強度の引張り力は、電気器具側を損傷させるか、紐10が破断するかといった常識外のもので、現実には有り得ず問題ない。また、何らかの作用で紐取付部3で紐10が移動して、紐係止部5から抜け出そうとすると、紐10の移動が折曲先端部4cで阻止されて、紐の不本意な抜けが防止される。
【0015】
図6〜図8はフック1に紐10を、より大きな強度で取付けた場合の実施の形態が示される。図4の紐10の一部を、図7に示すようにフック1の引掛け部2と紐取付部3の間の隙間gから紐係止部5に再び挿入し、そのまま引っ張って圧入する。すると、図6及び図8に示すように、紐10は紐取付部3の二層目の線材4bに一回巻き付けられて真下に垂れ下がる。この紐10は、上述したような過大な引張力で引っ張っても、フック1から外れる虞はない。また、紐10は紐取付部3の一層目の線材4aに一回巻き付けるようにしてもよい。
【0016】
なお、フック1の紐取付け部は、線材4を三層以上に螺旋巻きした構造も考えられるが、二層で紐10が十分強固に取付けられることから、二層以上の線材は材料無駄であり、フックのコスト高を招く。また、線材4は鋼線が望ましいが、弾性のある硬質の樹脂線であってもよい。
【0017】
【発明の効果】
本発明によれば、フックが小形であっても、フックの環状紐取付部に紐を差し込んで引っ張るといったワンタッチ的な作業で紐をフックに取付けることができて、フック付紐或いは紐付フックのような中間製品の組立作業性を大幅に向上させ得る実用価値の高い紐止め用フックが提供できる。また、このフックに紐がワンタッチ式に簡単に取付けることができて、上述のフック付紐或いは紐付フックのような中間製品の量産性向上と、製品コストの低減が図れる。
【図面の簡単な説明】
【図1】本発明の実施の形態を示すフックの正面図である。
【図2】図1フックの側面図である。
【図3】図1のX−X線に沿う拡大断面図である。
【図4】図1のフックに紐を取付けた正面図である。
【図5】(A)は図4フックの紐取付時での正面図、(B)は側面図である。
【図6】図1のフックに紐を別の形態で取付けた正面図である。
【図7】図6フックの紐取付時での正面図である。
【図8】図6のY−Y線に沿う拡大断面図である。
【符号の説明】
1  フック
2  引掛け部
3  紐取付部
4  線材
4a  一層目の線材
4b  二層目の線材
4c  折曲先端部
5  紐係止部
10  紐
11  結び目
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a lashing hook suitable for use in connecting a switch operation string to a power switch or the like of an electric appliance, and a tying method for attaching a string to the hook.
[0002]
[Prior art and problems]
Generally, an S-shaped steel wire hook, commonly called an S-can or an S-hook, is used as a hook for hooking a string such as a switch operation string to an electric appliance. This type of hook is formed of a substantially C-shaped hook portion that is removably engaged with a mounting hole formed in a power switch of an electric appliance, and a hook portion integrated with the hook portion. The hook portion is a portion formed by bending a single steel wire into a substantially C-shape, and the strap fixing portion is a portion formed by bending a single steel wire from the hook portion into an annular shape. The string is inserted into and wound around the ring-shaped fastening portion, and the strings are tied to each other, thereby connecting the strap to one steel wire of the fastening portion.
[0003]
The above-mentioned hook for hooking is a small one with a total length of about 1 cm, and the work of inserting and tying the string through the small-diameter annular string locking portion of this hook requires fine work using both hands. Therefore, even a skilled person has poor workability. In addition, although a hook with a string or an intermediate product of the string with a hook is shipped to a manufacturer of an electric appliance, the workability of linking the string with the hook is poor. It is difficult to reduce cost and shipping cost. Furthermore, since the string is simply wound around the loop portion of the hook and tied, when the knot of the string is loosened, there is a problem that the knot moves on the loop-shaped fastening portion of the hook, or the string is released and detaches from the hook.
[0004]
SUMMARY OF THE INVENTION An object of the present invention is to provide a strap fastening hook to which a strap can be attached in a one-touch manner.
[0005]
[Means for Solving the Problems]
A hook for hooking a string according to the present invention is a hook in which a substantially C-shaped hooking section and an annular string attaching section are formed by a single wire, and the string attaching section is a layered wire extending from the hooking section. Has an annular shape, the second layer is formed in a substantially C shape, spirally wound into two layers, and has a string locking portion between the first and second layers of wire rods, which elastically deforms the wire rod and into which a string is pressed from the outside. It is characterized by a structure. Further, the distal end of the second-layer wire rod of the string attaching portion is bent at approximately 90 ° toward the first-layer wire rod, and the bent distal end is used as a retaining means for the string that is press-fitted into the string locking portion. use.
[0006]
Such a hook is a wire material product of a steel wire or a hard resin wire, and an annular string locking portion is provided between wires overlapping two layers of an annular string attachment portion formed by spirally winding one wire into two layers. Is formed. When a string is inserted into the string locking portion, the two-layered wire is pressed by the string and elastically deformed, and the elasticity at this time is applied to the string to lock the string elastically and firmly. If the elasticity to lock the string is set to a specified value or more, the string can be stably hooked by a one-touch operation just by pressing the string into the string locking part without tying the string to the ring attachment part of the ring You can stop it. In addition, since the elasticity of the string attached to the hook is always urged by the wire attached to the hook, the string is not moved by the strap attaching section, and the string is not moved.
[0007]
It is desirable to attach a string to the above-described hook for hooking as follows. A knotless part of the knotted string is press-fitted into the string hooking part of the stringing hook and pulled so as to be pulled out in a direction crossing the string hooking part. Then, when the knot of the string is finally locked to the string locking portion, the knot is caught by the string locking portion and does not come off, thereby completing the one-touch attachment of the string. The knot of the string may be formed by making a knot once or twice at the end of the string and tightening the knot. Such a knot can be improved with one-handed operation.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment will be described with reference to FIGS.
[0009]
The hook 1 shown in FIGS. 1 to 3 is a substantially S-shaped steel wire product and has a hook portion 2 having a substantially C shape and a string attaching portion 3 having an annular shape. The hook portion 2 is a portion that is hooked with a single touch so that it can be inserted into and removed from a power switch of an electric device, and the shape is not limited to the illustrated example. The feature of the present invention lies in the structure of the string attaching portion 3 formed in an annular shape with a steel wire 4.
[0010]
The string attachment portion 3 of the hook 1 is configured by spirally winding one wire 4 extending from the hook portion 2 into two layers. The first-layer wire 4a is formed into an annular shape from the hook portion 2, and the second-layer wire 4b is spirally wound in a substantially C-shape and superimposed on the first-layer wire 4a. 4b, a string locking portion 5 into which the string 10 is press-fitted as shown in FIG. 4 is formed. The string locking portion 5 is formed of a gap such that the string 10 is elastically deformed and inserted into each of the wires 4a and 4b, and the string 5 inserted therein is pressed by the elastic return force of the wires 4a and 5b. Lock.
[0011]
The tip 4c of the second-layer wire 4b is bent toward the first-layer wire 4a. The bent distal end portion 4c prevents the string 10 from coming off from the string locking portion 5 across the string locking portion 5. A gap g into which the string 10 can freely enter is formed between the bent front end portion 4c and the hook portion 2.
[0012]
FIG. 4 shows a state in which one string 10 is attached to the string attachment portion 3 of the hook 1. The string 10 has one knot 11 at one end, and a string pulling knob 12 is slidably attached to the other end. The string 10 is connected to the hook 1 in a one-touch manner as shown in FIGS. 5 (A) and 5 (B). That is, a part of the string 10 near the knot 11 is crossed from the gap g between the hook part 2 of the hook 1 and the string attaching part 3 to the wire 4 and pressed against the wire 4, and is slid into contact with the wire 4 as it is. It is press-fitted into the cord locking portion 5. Then, the string 10 is pulled in the radial direction of the annular string locking portion 5 to lock the knot 11 with the string locking portion 5, thereby completing the one-touch attachment of the string 10 to the hook 1.
[0013]
In the state shown in FIG. 4, the hook 10 is hung from the hook 1 by hooking the hook 2 of the hook 1 on a power switch or the like of an electric appliance (not shown). When the string 10 is pulled downward, the knot 11 is locked by the string locking portion 5 of the hook 1 and does not come off, and a manual operation such as a power switch is performed on the string 10.
[0014]
In the state of FIG. 4, the string 10 is always elastically pressed by the two wires 4a and 4b of the string attaching portion 3, so that the upper end with the knot 11 is positively predetermined by the string attaching portion 3d. It is supported by strength and does not move freely on the string attaching portion 3b. Further, if the string 10 suspended from the hook 1 is pulled with excessive strength, the knot 11 may bite into the string locking portion 5 and come off. There is no common sense such as whether the side is damaged or the string 10 breaks, and there is no problem in reality. In addition, when the string 10 is moved by the string attaching part 3 by some action and tries to get out of the string locking part 5, the movement of the string 10 is prevented by the bent front end part 4c, and the string is unintentionally pulled out. Is prevented.
[0015]
6 to 8 show an embodiment in which the string 10 is attached to the hook 1 with greater strength. A part of the cord 10 shown in FIG. 4 is inserted again into the cord locking part 5 from the gap g between the hook part 2 of the hook 1 and the cord attaching part 3 as shown in FIG. Then, as shown in FIGS. 6 and 8, the string 10 is wound once around the second-layer wire 4 b of the string attaching portion 3 and hangs right below. Even if the string 10 is pulled by an excessive tensile force as described above, there is no possibility that the string 10 comes off the hook 1. Further, the string 10 may be wound once around the first wire 4 a of the string attaching portion 3.
[0016]
In addition, the string attaching portion of the hook 1 may have a structure in which the wire 4 is spirally wound into three or more layers. However, since the string 10 is attached sufficiently firmly in two layers, the wire having two or more layers is useless. , Resulting in high hook costs. The wire 4 is preferably a steel wire, but may be an elastic hard resin wire.
[0017]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to this invention, even if a hook is small, a string can be attached to a hook by one-touch operation, such as inserting a string into the annular string attachment part of a hook, and pulling it. It is possible to provide a high practical value strap hook that can greatly improve the workability of assembling an intermediate product. In addition, a string can be easily attached to this hook in a one-touch manner, so that the mass productivity of intermediate products such as the above-mentioned hook-attached string or the string-attached hook can be improved and product cost can be reduced.
[Brief description of the drawings]
FIG. 1 is a front view of a hook showing an embodiment of the present invention.
FIG. 2 is a side view of the hook of FIG. 1;
FIG. 3 is an enlarged sectional view taken along line XX of FIG.
FIG. 4 is a front view in which a string is attached to the hook of FIG. 1;
5 (A) is a front view of FIG. 4 when a hook is attached to a string, and FIG. 5 (B) is a side view.
FIG. 6 is a front view in which a string is attached to the hook of FIG. 1 in another form.
FIG. 7 is a front view of the hook when the string is attached.
8 is an enlarged sectional view taken along line YY of FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Hook 2 Hook part 3 String attaching part 4 Wire 4a First layer wire 4b Second layer wire 4c Bending tip 5 String locking part 10 String 11 knot

Claims (3)

引掛け部と環状の紐取付部を一本の線材で形成したフックで、前記紐取付部が、前記引掛け部から延在する線材を一層目は環状に、二層目は略C字状にして二層に螺旋巻きし、かつ、一層目と二層目の線材間に線材を弾性変形させて外部から紐が圧入される紐係止部を有する構造であることを特徴とする紐止め用フック。A hook in which a hook portion and an annular string attaching portion are formed by a single wire, wherein the string attaching portion is configured such that a wire extending from the hook portion has a first layer formed in a ring shape and a second layer formed in a substantially C shape. A helical winding around the second layer, and a string locking portion having a string locking portion into which a string is press-fitted from the outside by elastically deforming the wire between the first and second layers of wire. Hook. 前記紐取付部の二層目の線材の先端部を一層目の線材に向けて略90°に屈曲させ、この屈曲先端部を前記紐係止部に圧入された紐の抜け止めとした請求項1記載の紐止め用フック。The end portion of the second-layer wire rod of the string attachment portion is bent at substantially 90 ° toward the first-layer wire member, and the bent tip portion serves as a stopper for the string press-fitted into the string locking portion. The hook for securing a cord according to 1. 引掛け部と環状の紐取付部を一本の線材で形成したフックで、前記紐取付部が、前記引掛け部から延在する線材を一層目は環状に、二層目は略C字状にして二層に螺旋巻きし、かつ、一層目と二層目の線材の間に線材を弾性変形させて外部から紐が圧入される紐係止部を有する構造の紐止め用フックにおける前記紐係止部に、結び目を有する紐の前記結び目の無い一部を圧入し、この紐を紐係止部と交差する方向に引き出して前記結び目を紐係止部に係止させることを特徴とする紐止め方法。A hook in which a hook portion and an annular string attaching portion are formed by a single wire, wherein the string attaching portion is configured such that a wire extending from the hook portion has a first layer formed in a ring shape and a second layer formed in a substantially C shape. The string in the hook for hooking having a structure in which a string locking portion into which a string is press-fitted from the outside by elastically deforming the wire between the first and second layers of wire by spirally winding the wire into two layers A part without the knot of the knotted string is press-fitted into the locking part, and the string is pulled out in a direction crossing the string locking part to lock the knot to the string locking part. Tying method.
JP2002215874A 2002-06-19 2002-06-19 String holding hook and method for holding hook Pending JP2004016805A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002215874A JP2004016805A (en) 2002-06-19 2002-06-19 String holding hook and method for holding hook

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Application Number Priority Date Filing Date Title
JP2002215874A JP2004016805A (en) 2002-06-19 2002-06-19 String holding hook and method for holding hook

Publications (1)

Publication Number Publication Date
JP2004016805A true JP2004016805A (en) 2004-01-22

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Application Number Title Priority Date Filing Date
JP2002215874A Pending JP2004016805A (en) 2002-06-19 2002-06-19 String holding hook and method for holding hook

Country Status (1)

Country Link
JP (1) JP2004016805A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008027793A (en) * 2006-07-24 2008-02-07 Matsushita Electric Works Ltd Joint component

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008027793A (en) * 2006-07-24 2008-02-07 Matsushita Electric Works Ltd Joint component
JP4640284B2 (en) * 2006-07-24 2011-03-02 パナソニック電工株式会社 Joint parts

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