JP4837699B2 - Tightening band - Google Patents

Tightening band Download PDF

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JP4837699B2
JP4837699B2 JP2008102333A JP2008102333A JP4837699B2 JP 4837699 B2 JP4837699 B2 JP 4837699B2 JP 2008102333 A JP2008102333 A JP 2008102333A JP 2008102333 A JP2008102333 A JP 2008102333A JP 4837699 B2 JP4837699 B2 JP 4837699B2
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end side
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fastening
clamp
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JP2009250410A (en
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正典 柳沢
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株式会社ミハマ
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Description

本発明は、例えばアルミパイプ、アースパイプ等の外周に編組線を組み付けたものやユニバーサルジョイントを覆うブーツ、ケーブルを束ねるハーネスなどの被締付け物を締め付けるのに用いられる締付けバンドに関する。   The present invention relates to a tightening band used for tightening an object to be tightened such as a braided wire assembled on the outer periphery of an aluminum pipe, an earth pipe, or the like, a boot covering a universal joint, or a harness for bundling cables.

例えばホースクランプに用いられる締付けバンドは、リング状に成形された金属帯状体よりなるバンド部材と、中途部に外方に門形に折り曲げ形成された締付け耳を有する締付け部材が用いられる。バンド部材は、締付け部材とバンド部材を予めリング状になるように形成して両者を固着したクローズドタイプのバンド（特許文献１参照）、或いは締付け部材に対して一端側が固着されて、他端側が係止するオープンタイプのバンド（特許文献２参照）のいずれかが用いられる。   For example, a tightening band used for a hose clamp includes a band member made of a metal strip formed in a ring shape and a tightening member having a tightening ear bent outwardly in a gate shape in the middle. The band member is a closed type band (see Patent Document 1) in which the fastening member and the band member are formed in a ring shape in advance and fixed to each other, or one end side is fixed to the tightening member, and the other end side is One of the open type bands to be locked (see Patent Document 2) is used.

また、締付けバンドは、クローズドタイプのものは被締付け物を予めリング孔に通して嵌め込んだ状態で、またオープンタイプのものは被締付け物に開放端を通じて後付けして爪と孔を係止した状態で、締付け工具を用いて締付け耳を潰すことによりバンド部材を縮径して締付けが行われるようになっている（特許文献１、２参照）。
特開平９−１２６３７２号公報 特開平９−１８４５８６号公報 In addition, the tightening band of the closed type is a state in which the object to be tightened is fitted in the ring hole in advance, and the open type is retrofitted to the object to be tightened through the open end to lock the claw and the hole. In this state, the band member is reduced in diameter by crushing the tightening ear using a tightening tool, and tightening is performed (see Patent Documents 1 and 2).
JP-A-9-126372 JP-A-9-184586

締付け部材とバンド部材が固着されたリング状に形成されたクローズドタイプのバンドにおいては、被締付け物を締付ける前に予めリング孔内に通しておかなければ、後付けすることはできず作業がし難い。
また、オープンタイプのバンドであっても、内側バンド端は締付け耳の開口を跨いで外側バンド部と重なりあって係止するようになっているため、被締付け物に後付けする場合、開口部を広く取れない。また、内側バンド端と外側バンド端の間隔を広げようとしても、バンド部材が変形するおそれがあり締付けに支障をきたすおそれがあり、仮に間隔を広げたとしてもバンド部材の剛性が高く手作業で仮止めすることができない。
特に、長いケーブルに複数のバンドを取り付ける場合や、パイプ材の外周に後付けする場合には、締付けバンドの内外端部どうしの間隔が広く確保する必要があり、しかも作業者が格別工具を必要とせずに、リング状に仮止めすることができると利便性がよい。 In a closed type band with a fastening member and a band member fixed to each other, if the object to be fastened is not passed through the ring hole before tightening, it cannot be retrofitted and difficult to work. .
In addition, even with an open type band, the inner band end straddles the opening of the fastening ear and overlaps with the outer band part so that it can be locked. I can't take it widely. Also, even if the gap between the inner band edge and the outer band edge is increased, the band member may be deformed and there is a risk that the tightening may be hindered. It cannot be temporarily fixed.
In particular, when multiple bands are attached to a long cable, or when it is retrofitted to the outer periphery of the pipe material, it is necessary to secure a wide space between the inner and outer ends of the tightening band, and the operator needs special tools. If it can be temporarily fixed in a ring shape, it is convenient.

本願発明の目的は上記従来技術の課題を解決し、被締付け物に対して後付けにより装着して手作業により容易に仮止めできる作業性、生産性のよい締付けバンドを提供することを目的とする。   SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems of the prior art and to provide a tightening band with good workability and high productivity that can be attached to an object to be tightened by retrofitting and easily temporarily fixed by hand. .

本発明は上記目的を達成するため、次の構成を備えることを特徴とする。
即ち、被締付け物（９）に巻き付けられる金属帯状部材の互いに係止可能な一端側と他端側との間が開放されて環状に形成された締付けバンド（１）であって、
前記金属帯状部材の中途部の一部を切り欠いて曲げ強度を低下させるとともに環状内方に向けて膨出させた曲部（Ｗ３）が形成され、該曲部（Ｗ３）を介して被締付け物（９）を収容する半円弧状の湾曲部（Ｗ１）（Ｗ２）が各々形成されていることを特徴とする。
また、前記湾曲部（Ｗ１），（Ｗ２）及び曲部（Ｗ３）の直径φＤの大きさを各々（Ｄ１），（Ｄ２），（Ｄ３）とすると、Ｄ１≒Ｄ２＞Ｄ３となるように形成されていることを特徴とする。
また、弧状に形成された金属帯状部材の一端側に切欠き部（２ａ）が形成され、他端側に設けられた係止孔（５）の縁部から孔内に向けて係止片（５ａ）が突設されたクランプ部（２）と、金属帯状部材の一端側の中途部に起立片（３ｂ）が起立形成され他端側に前記係止片（５ａ）を挿入可能な係止孔（７ａ）が形成され、前記中途部の一部を切り欠いて曲げ強度を低下させるとともに環状内方に向けて膨出させた曲部（Ｗ３）が形成され、該曲部（Ｗ３）を介して円弧状部（Ｒ１）（Ｒ２）が各々形成されたバンド部（３）と、を具備し前記バンド部（３）の一端側が前記クランプ部（２）の一端側と前記締付け耳（４）の開口を跨いで重ね合わされ前記起立片（３ｂ）に前記切欠き部（２ａ）を位置合わせして一体に接合されて他端側が開放された環状に形成されていることを特徴とする。
また、前記バンド部（３）のいずれか一方の湾曲部に被締付け物（９）を収容し、他方の湾曲部を押圧して曲部（Ｗ３）の頂点を中心に折り曲げることにより前記クランプ部（２）の係止片（５ａ）を前記バンド部（３）の係止孔（７ａ）に挿入係止してリング状に仮止めされることを特徴とする。
また、前記湾曲部（Ｗ１），（Ｗ２）の直径をφＤ１≒φＤ２＝φＤとし、前記湾曲部（Ｗ１），（Ｗ２）が各々形成された金属帯状部材の開放端間の直線距離をＷとすると、φＤ＜Ｗとなるように前記金属帯状部材が環状に形成されていることを特徴とする。
また、前記曲部（Ｗ３）を形成する頂部には、金属帯状部材の長手方向に長孔（３ｃ，１２ａ）が穿孔されるか或いは幅狭となる切欠き部（３ｆ）が設けられていることを特徴とする。 In order to achieve the above object, the present invention comprises the following configuration.
That is, a tightening band (1) formed in an annular shape by opening a space between one end side and the other end side of the metal band member wound around the object to be tightened (9).
A bent portion (W3) is formed by cutting out a part of the middle portion of the metal belt-shaped member to reduce the bending strength and bulge toward the inside of the ring, and tightened through the bent portion (W3). A semicircular arc-shaped curved portion (W1) (W2) for accommodating the object (9) is formed.
Further, when the diameters φD of the curved portions (W1), (W2) and the curved portion (W3) are respectively (D1), (D2), and (D3), they are formed so that D1≈D2> D3. It is characterized by being.
Further, a notch (2a) is formed on one end side of the arc-shaped metal strip member, and a locking piece (2) is formed from the edge of the locking hole (5) provided on the other end side into the hole. 5a) projecting clamp portion (2), and a metal strip-like member, a standing piece (3b) is formed upright in the middle of one end, and the other end can be inserted into the locking piece (5a) A hole (7a) is formed, and a bent portion (W3) is formed by cutting out a part of the midway portion to lower the bending strength and bulge toward the inner ring, and the bent portion (W3) is formed. A band portion (3) formed with arc-shaped portions (R1) and (R2), and one end side of the band portion (3) is connected to one end side of the clamp portion (2) and the fastening ear (4 ) Is overlapped across the opening and the notched portion (2a) is aligned with the upright piece (3b) and integrally joined to the other end side. Characterized in that it is formed in the opened annular.
Further, the clamped part (9) is accommodated in any one of the curved parts of the band part (3), and the other curved part is pressed and bent around the apex of the curved part (W3). The locking piece (5a) of (2) is inserted and locked into the locking hole (7a) of the band portion (3) and temporarily fixed in a ring shape.
Further, the diameters of the curved portions (W1) and (W2) are set to φD1≈φD2 = φD, and the linear distance between the open ends of the metal strip-like members on which the curved portions (W1) and (W2) are respectively formed is W. Then, the metal strip member is formed in an annular shape so as to satisfy φD <W.
Moreover, the top part which forms the said curved part (W3) is provided with the notch part (3f) by which a long hole (3c, 12a) is pierced in the longitudinal direction of a metal strip member, or becomes narrow. It is characterized by that.

本発明の締付けバンドを用いれば、金属帯状部材の中途部の一部を切り欠いて曲げ強度を低下させるとともに環状内方に向けて膨出させた曲部（Ｗ３）が形成され、該曲部（Ｗ３）を介して被締付け物（９）を収容する半円弧状の湾曲部（Ｗ１）（Ｗ２）が各々形成されているので、環状に形成された金属帯状部材の開放端の隙間を通じて湾曲部（Ｗ１）（Ｗ２）に被締付け物（９）を収容した際に、当該被締付け物（９）の湾曲部（Ｗ１）（Ｗ２）に対するすわりがよい（装着姿勢が安定する）ため、作業性が向上する。
また、金属帯状部材の中途部の一部を切り欠いて曲げ強度を低下させた曲部（Ｗ３）が形成されているので、一方の湾曲部に位置する被締付け物（９）を他方の湾曲部を手作業によりわずかな押圧力で押圧するだけで曲部（Ｗ３）の頂点を支点としてリング状に変形させることができる。このとき、締付けバンド（１）の湾曲部（Ｗ１），（Ｗ２）は被締付け物（９）の径に近い状態で仮止め作業が行なえるので、係止位置のずれは生じ難い。よって、締付けバンド（１）の仮止め作業が手作業で確実かつ容易に行なえる。
特に、湾曲部（Ｗ１），（Ｗ２）及び曲部（Ｗ３）の直径φＤの大きさを各々（Ｄ１），（Ｄ２），（Ｄ３）とすると、Ｄ１≒Ｄ２＞Ｄ３となるように形成されていると、金属帯状部材に湾曲部（Ｗ１），（Ｗ２）を深く形成できるので、被締付け物（９）への装着性がよい。
また、締付けバンド（１）がバンド部（３）とクランプ部（２）により構成される場合には、起立片（３ｂ）に切欠き部（２ａ）を位置合わせしてバンド部（３）とクランプ部（２）が一体に接合されるので、バンド部（３）とクランプ部（２）を接合する際の接合位置が一様に決まるため、生産性がよい。
また、湾曲部（Ｗ１），（Ｗ２）の直径をφＤ１≒φＤ２＝φＤとし、前記湾曲部（Ｗ１），（Ｗ２）が各々形成された金属帯状部材の開放端間の直線距離をＷとすると、φＤ＜Ｗとなるように金属帯状部材が環状に形成されていると、湾曲部（Ｗ１），（Ｗ２）に収容可能であれば被締付け物（９）の直径の大きさに制約を受けずに装着できる。
また、曲部（Ｗ３）を形成する頂部には、金属帯状部材の長手方向に長孔（３ｃ，１２ａ）が穿孔されるか或いは幅狭となる切欠き部（３ｆ）が設けられていると、金属帯状部材の強度に強弱の変化をもたせて曲部（Ｗ３）を中心に曲げ易く他の部位の変形を防ぐことができる。 If the tightening band of the present invention is used, a bent portion (W3) is formed by cutting out a part of the middle portion of the metal strip member to reduce the bending strength and bulge toward the inside of the ring. Since the semicircular arc-shaped curved portions (W1) and (W2) for accommodating the object to be fastened (9) are formed via (W3), the curved portion is bent through the gap at the open end of the annular metal strip member. When the object to be tightened (9) is accommodated in the portions (W1) and (W2), the object to be tightened (9) is satisfactorily seated against the curved portions (W1) and (W2) (the mounting posture is stable). Improves.
In addition, since the bent portion (W3) is formed by cutting out a part of the middle portion of the metal belt-shaped member to reduce the bending strength, the object to be fastened (9) positioned in one bent portion is bent in the other bent portion. It can be deformed into a ring shape with the apex of the curved portion (W3) as a fulcrum by simply pressing the portion with a slight pressing force. At this time, since the bending portions (W1) and (W2) of the tightening band (1) can be temporarily fixed in a state close to the diameter of the object (9) to be tightened, the locking position is hardly displaced. Therefore, the temporary fastening operation of the tightening band (1) can be reliably and easily performed manually.
In particular, if the diameters φD of the curved portions (W1), (W2) and the curved portion (W3) are (D1), (D2), and (D3), respectively, they are formed such that D1≈D2> D3. In this case, the curved portions (W1) and (W2) can be formed deeply in the metal belt-like member, so that the attachment property to the tightened object (9) is good.
When the tightening band (1) is composed of the band part (3) and the clamp part (2), the notch part (2a) is aligned with the upright piece (3b) and the band part (3) Since the clamp part (2) is integrally joined, the joining position at the time of joining the band part (3) and the clamp part (2) is determined uniformly, so that productivity is good.
Also, assuming that the diameters of the curved portions (W1) and (W2) are φD1≈φD2 = φD, and W is the linear distance between the open ends of the metal strip members on which the curved portions (W1) and (W2) are respectively formed. If the metal belt-like member is formed in an annular shape so that φD <W, the diameter of the object to be tightened (9) is restricted if it can be accommodated in the curved portions (W1) and (W2). Can be installed without.
Moreover, when the top part which forms a curved part (W3) is provided with the notch part (3f) by which a long hole (3c, 12a) is pierced in the longitudinal direction of a metal strip member, or becomes narrow. The strength of the metal strip member can be changed to be strong and easy to bend around the curved portion (W3), and deformation of other parts can be prevented.

以下、本発明を実施するための最良の形態について説明する。
［第１実施例］
先ず、図１を参照して締付けバンドの構成について説明する。本実施例は、締付けバンド１がクランプ部２とバンド部３との２部品で構成される場合について説明する。
図１において、締付けバンド１は、被締付け物９に巻き付けられるバンド部３の一端側と、外方に門形に突設した締付け耳４が形成されたクランプ部２の一端側とを重ね合わせて接合されると共に他端側が開放された環状に形成された所謂オープンタイプのバンドである。また、クランプ部２及びバンド部３には、例えばＳＵＳ４３０などの金属帯状材が好適に用いられる。 Hereinafter, the best mode for carrying out the present invention will be described.
[First embodiment]
First, the configuration of the tightening band will be described with reference to FIG. In the present embodiment, a case where the tightening band 1 is composed of two parts including a clamp part 2 and a band part 3 will be described.
In FIG. 1, the tightening band 1 is formed by superposing one end side of a band portion 3 wound around an object 9 to be tightened and one end side of a clamp portion 2 formed with a fastening ear 4 projecting outwardly in a gate shape. These are so-called open type bands formed in an annular shape that are joined together and open at the other end. Moreover, for the clamp part 2 and the band part 3, for example, a metal strip material such as SUS430 is preferably used.

先ず、クランプ部２の構成について図２を参照して説明する。金属帯状部材の一端側に切欠部２ａが形成されている（図２（ａ）参照）。また、図２（ｃ）において、クランプ部２の中途部が外方に門形に折り曲げられた締付け耳４が形成されている。締付け耳４の頂板部には補強用凹部４ａが形成されている。   First, the structure of the clamp part 2 is demonstrated with reference to FIG. A notch 2a is formed on one end side of the metal strip member (see FIG. 2A). Moreover, in FIG.2 (c), the fastening ear | edge 4 by which the middle part of the clamp part 2 was bend | folded outward by the gate shape is formed. A reinforcing recess 4 a is formed in the top plate portion of the fastening ear 4.

また、クランプ部２の他端側には第１の係止孔５、第２の係止孔６がこの順に設けられている（図２（ａ）参照）。第１の係止孔５の縁部から孔内に向けて係止片５ａが突設されている（図２（ｂ）参照）。クランプ部２は、図２（ａ）（ｂ）において、金属帯状部材に係止孔５，６や補強用凹部４ａなどがプレス加工により形成された後、図２（ｃ）において曲げ加工が行なわれて締付け耳４が形成され、クランプ部２が全体として弧状に形成される。   Moreover, the 1st locking hole 5 and the 2nd locking hole 6 are provided in this order in the other end side of the clamp part 2 (refer Fig.2 (a)). A locking piece 5a is projected from the edge of the first locking hole 5 into the hole (see FIG. 2B). 2 (a) and 2 (b), the clamp portion 2 is bent in FIG. 2 (c) after the locking holes 5, 6 and the reinforcing recess 4a are formed in the metal strip member by pressing. Thus, the fastening ear 4 is formed, and the clamp portion 2 is formed in an arc shape as a whole.

次にバンド部３の構成について図３を参照して説明する。
図３（ａ）において、金属帯状部材よりなるバンド部３の一端側にはＵ字状切欠部３ａが形成されている。また、バンド部３の中途部には、起立片３ｂと長手方向に所定範囲で長孔３ｃが各々形成されている。尚、長孔３ｃに替えて、バンド部３が幅狭となる切欠き部３ｆが形成されていてもよい（図３（ａ）参照）。これによって、バンド部３の強度に強弱の変化をつけることができる。 Next, the configuration of the band unit 3 will be described with reference to FIG.
In FIG. 3A, a U-shaped notch 3a is formed on one end side of a band portion 3 made of a metal strip member. Further, in the middle part of the band part 3, a standing hole 3b and a long hole 3c are formed in a predetermined range in the longitudinal direction. Instead of the long hole 3c, a notch 3f in which the band part 3 becomes narrow may be formed (see FIG. 3A). As a result, the strength of the band portion 3 can be changed strongly.

また、バンド部３の他端側には舌部３ｄが突設されている。また、舌部３ｄの近傍から第２の係止孔８ａが設けられた第２の膨出部８、第１の係止孔７ａが設けられた第１の膨出部７がこの順に形成されている。尚、バンド部２の第２の膨出部８とクランプ部２の第２の係止孔６は省略することも可能である。   Further, a tongue portion 3 d is projected from the other end side of the band portion 3. A second bulging portion 8 provided with a second locking hole 8a and a first bulging portion 7 provided with a first locking hole 7a are formed in this order from the vicinity of the tongue 3d. ing. The second bulging portion 8 of the band portion 2 and the second locking hole 6 of the clamp portion 2 can be omitted.

図３（ａ）（ｂ）において、バンド部３は金属帯状部材にプレス加工が行なわれてＵ字状切欠部３ａ，起立片３ｂ、長孔３ｃ、膨出部７，８、舌部３ｄなどが形成された後、図３（ｃ）において両端が開放されたリング状に曲げ加工が行なわれる。そして、図３（ｄ）において、バンド部３を長孔３ｃの中途部を環状内方へ膨出させた曲部Ｗ３が形成され、該曲部Ｗ３を介して一端側に略１／４円弧状部Ｒ１と他端側に略１／２円弧状部Ｒ２が連続して形成されている。   3 (a) and 3 (b), the band portion 3 is formed by pressing a metal strip-like member to form a U-shaped cutout portion 3a, a standing piece 3b, a long hole 3c, bulging portions 7 and 8, a tongue portion 3d, and the like. 3 is formed, a bending process is performed in a ring shape in which both ends are opened in FIG. In FIG. 3 (d), a curved portion W3 is formed by expanding the band portion 3 in the middle of the elongated hole 3c in an annular inward direction, and approximately 1/4 circle is formed on one end side through the curved portion W3. A substantially ½ arc-shaped portion R2 is continuously formed on the arc-shaped portion R1 and the other end side.

図１において、締付けバンド１は、バンド部３の一端側のＵ字状切欠部３ａが締付け耳４の開口を跨いでクランプ部２と重ね合わされ、バンド部３の起立片３ｂにクランプ部２の切欠部２ａを位置合わせした状態で抵抗溶接により接合部１０にて一体に接合されて形成される。
これにより、バンド部３の曲部Ｗ３を介して被締付け物９を収容可能な半円弧状の湾曲部Ｗ１，Ｗ２が各々形成される。湾曲部Ｗ１，Ｗ２及び曲部Ｗ３の直径φＤの大きさを各々Ｄ１，Ｄ２，Ｄ３とすると、Ｄ１≒Ｄ２＞Ｄ３となるように形成されている。これによりバンド部３に湾曲部Ｗ１，Ｗ２を深く形成できるので、被締付け物９への装着性がよくなる。
また、湾曲部Ｗ１，Ｗ２の直径をφＤ１≒φＤ２＝φＤとし、バンド部３の開放端間の直線距離をＷとすると、φＤ＜Ｗとなるようにバンド部３が環状に形成されている。これにより、バンド部３の開放端の距離Ｗを大きく取りつつ曲部Ｗ３を形成して湾曲部Ｗ１，Ｗ２を深く形成でき、被締付け物９の直径サイズφＤに制約を受けずに、締付けバンド１を装着することができる。
尚、湾曲部Ｗ１，Ｗ２の直径φＤは被締付け物９の寸法に近いほうが望ましい。後述するように締付けバンド１を仮止めする際にクランプ部２とバンド部３をリング状に曲げて係合し易くなるためである。 In FIG. 1, the fastening band 1 has a U-shaped notch 3 a on one end side of the band part 3 so as to overlap with the clamp part 2 across the opening of the fastening ear 4, and the standing part 3 b of the band part 3 In a state in which the notch portion 2a is aligned, the joint portion 10 is integrally joined by resistance welding.
Thereby, the semicircular arc shaped curved parts W1 and W2 which can accommodate the to-be-fastened thing 9 are formed through the curved part W3 of the band part 3, respectively. When the diameters φD of the curved portions W1 and W2 and the curved portion W3 are D1, D2 and D3, respectively, they are formed such that D1≈D2> D3. As a result, the curved portions W1 and W2 can be formed deeply in the band portion 3, so that the attachment property to the object 9 is improved.
Further, assuming that the diameters of the curved portions W1 and W2 are φD1≈φD2 = φD and the linear distance between the open ends of the band portion 3 is W, the band portion 3 is formed in an annular shape so that φD <W. As a result, the bending portion W3 can be formed while the distance W of the open end of the band portion 3 is increased, and the curved portions W1 and W2 can be formed deeply, and the tightening band is not limited by the diameter size φD of the object 9 to be tightened. 1 can be installed.
In addition, it is desirable that the diameter φD of the curved portions W1, W2 is close to the dimension of the article 9 to be fastened. This is because, as will be described later, when the fastening band 1 is temporarily fixed, the clamp portion 2 and the band portion 3 are easily bent and engaged with each other.

以上のように、バンド部３とクランプ部２を接合する際に起立片３ｂと切欠部２ａを位置合わせして接合するので、接合位置が一様に決まるため、生産性がよい。
また、クランプ部２の係止孔５が形成された他端部とバンド部３の舌片３ｄが形成された開放端どうしの間に大きな開口が形成されるため、被締付け物９に対して後付けで湾曲部Ｗ１，Ｗ２に合わせて装着し易く、しかもバンド部３に長孔３ｃが形成されているため、一方の湾曲部を手作業で押圧して容易にリング状に変形させることができる。 As described above, when the band portion 3 and the clamp portion 2 are joined, the standing piece 3b and the notch portion 2a are aligned and joined, so that the joining position is determined uniformly, so that productivity is good.
In addition, since a large opening is formed between the other end where the locking hole 5 of the clamp part 2 is formed and the open end where the tongue piece 3d of the band part 3 is formed, It is easy to attach to the curved portions W1 and W2 later, and since the elongated hole 3c is formed in the band portion 3, it can be easily deformed into a ring shape by manually pressing one of the curved portions. .

次に上記締付けバンドを用いて、アルミパイプ、アースパイプ等の外周に編組線を組み付けた被締付け物９を締付けバンド１にて締付ける締付け動作の一例を図４（ａ）〜（ｃ）を参照して説明する。
図４（ａ）において被締付け物９をバンド部３に形成された湾曲部Ｗ２に沿うように係合させる。この状態から曲部Ｗ３の頂点を支点として湾曲部Ｗ１をクランプ部２の外側から押圧して被締付け物９に沿わせてリング状に曲げる。このときバンド部３の曲部Ｗ３には長孔３ｃが形成されているため変形し易く、手動による曲げは容易に行なえる。 Next, referring to FIGS. 4A to 4C, an example of a tightening operation in which the tightening band 1 is used to tighten the object 9 to which the braided wire is assembled on the outer periphery of the aluminum pipe, the earth pipe, or the like using the tightening band. To explain.
In FIG. 4A, the article 9 to be tightened is engaged along the curved portion W <b> 2 formed in the band portion 3. From this state, the bending portion W1 is pressed from the outside of the clamp portion 2 with the vertex of the bending portion W3 as a fulcrum, and is bent into a ring shape along the object 9 to be tightened. At this time, since the elongated hole 3c is formed in the curved portion W3 of the band portion 3, it is easily deformed and can be easily bent manually.

図４（ｂ）において、第１の係止孔５、第２の係止孔６に第１の膨出部７、第２の膨出部８を各々係止させ、係止片５ａを第１の係止孔７ａに挿入して係止させることにより締付けバンド１の仮止めが行なわれる。この状態では締付けバンド１はリング状に形成されるが被締付け物９に対して締付け力を及ぼす状態ではない。   In FIG. 4 (b), the first bulging portion 7 and the second bulging portion 8 are respectively locked in the first locking hole 5 and the second locking hole 6, and the locking piece 5a is connected to the first locking hole 5 and the second locking hole 6, respectively. The fastening band 1 is temporarily fixed by being inserted into the one locking hole 7a and locked. In this state, the tightening band 1 is formed in a ring shape, but is not in a state of exerting a tightening force on the object 9 to be tightened.

図４（ｃ）において、締付け工具１１を用いて締付け耳４の両側起立部４ｂを挟み込むことで、締付け耳４が潰れてバンド部３が縮径して一端側のＵ字状切欠部３ａに他端側の舌片３ｄが進入して段差を解消した状態で締付け作業が完了する。このときバンド部３には長孔３ｃが形成されているので、締付け耳４を潰すことによりバンド部３の伸縮による十分な締付け力が得られる。被締付け物９の締付け状態は、バンド部３に形成された長孔３ｃを通じて確認することもできる。   In FIG. 4 (c), the clamping tool 4 is used to sandwich the raised parts 4b on both sides of the fastening ear 4 so that the fastening ear 4 is crushed and the band part 3 is reduced in diameter to form a U-shaped notch 3a on one end side. The tightening operation is completed in a state where the tongue piece 3d on the other end side enters and the level difference is eliminated. At this time, since the elongated hole 3 c is formed in the band portion 3, a sufficient tightening force due to expansion and contraction of the band portion 3 can be obtained by crushing the tightening ear 4. The tightened state of the article 9 can also be confirmed through the long hole 3 c formed in the band portion 3.

［第２実施例］
次に、締付けバンド１の他例について図５（ａ）〜（ｃ）を参照して説明する。
本実施例は、締付けバンド１が金属帯状部材１２の一部品で構成されている点が第１実施例と異なっている。図５（ａ）（ｂ）において、金属帯状部材１２の一端側に第１の係止孔１３，第２の係止孔１４や補強用凹部１５ａがこの順に形成されている。第１の係止孔１３の縁部には係止片１３ａが孔内に向けて突設されている。また、金属帯状部材１２の中途部には長孔１２ａが形成されている。長孔１２ａに替えて幅方向両側に切欠き部（図３（ａ）参照）を形成して帯状部材を幅狭に形成してもよい。金属帯状部材１２の他端側には、舌部１２ｂ，第２の膨出部１７，第１の膨出部１６がこの順に設けられている。第１、第２の膨出部１６，１７には第１の係止孔１６ａ，第２の係止孔１７ａが各々形成されている。尚、第２の係止孔１４，第２の膨出部１７は省略することも可能である。 [Second Embodiment]
Next, another example of the tightening band 1 will be described with reference to FIGS.
The present embodiment is different from the first embodiment in that the fastening band 1 is constituted by one part of the metal strip member 12. 5 (a) and 5 (b), a first locking hole 13, a second locking hole 14, and a reinforcing recess 15a are formed in this order on one end side of the metal strip member 12. A locking piece 13a projects from the edge of the first locking hole 13 toward the inside of the hole. A long hole 12 a is formed in the middle of the metal strip member 12. Instead of the long holes 12a, notches (see FIG. 3A) may be formed on both sides in the width direction to form the band-shaped member narrowly. On the other end side of the metal strip member 12, a tongue portion 12b, a second bulging portion 17, and a first bulging portion 16 are provided in this order. A first locking hole 16a and a second locking hole 17a are formed in the first and second bulging portions 16 and 17, respectively. In addition, the 2nd latching hole 14 and the 2nd bulging part 17 are also omissible.

図５（ｃ）において、上記金属帯状部材１２に曲げ加工が行なわれて、一端側と他端側に半円弧状の湾曲部Ｗ１，Ｗ２が形成され、中途部に環状内方へ膨出させた曲部Ｗ３が各々形成されている。曲部Ｗ１，Ｗ２及び曲部Ｗ３の直径φＤの大きさを各々Ｄ１，Ｄ２，Ｄ３とすると、Ｄ１≒Ｄ２＞Ｄ３となるように形成されている。また湾曲部Ｗ１，Ｗ２の直径をφＤ１≒φＤ２＝φＤとし、湾曲部Ｗ１，Ｗ２が各々形成された金属帯状部材１２の開放端間の直線距離をＷとすると、φＤ＜Ｗとなるように環状に形成されている。また、金属帯状部材１２の補強用凹部１５ａが形成された部位は、外側に門形に折り曲げられて締付け耳１５が形成されている。   In FIG. 5 (c), the metal strip member 12 is bent to form semicircular arc-shaped curved portions W1 and W2 on one end side and the other end side, and bulge inwardly in the middle. Each of the curved portions W3 is formed. When the diameters φD of the curved portions W1, W2 and W3 are D1, D2, and D3, respectively, they are formed such that D1≈D2> D3. Further, assuming that the diameters of the curved portions W1 and W2 are φD1≈φD2 = φD, and the linear distance between the open ends of the metal band-shaped members 12 on which the curved portions W1 and W2 are respectively formed is W, the annular shape so that φD <W. Is formed. Further, the portion of the metal band-shaped member 12 where the reinforcing recess 15a is formed is bent outward in a gate shape to form a fastening ear 15.

上記締付けバンド１においても、例えば湾曲部Ｗ２に被締付け物９を係止した状態で、湾曲部Ｗ１を手作業で押圧することにより、長孔１２ａが形成された曲部Ｗ３の頂点を支点としてリング状に曲げて、第１，第２の係止孔１３，１４に第１，第２の膨出部１６，１７を係止させ、係止片１３ａを第１の係止孔１６ａに係止させて仮止めすることができる。また、被締付け物９を固定するには、締付け工具１１（図４（ｃ）参照）を用いて締付け耳１５を潰すことにより縮径して締付けが行われる。   In the tightening band 1 as well, for example, by pressing the bending portion W1 manually in a state where the object 9 is locked to the bending portion W2, the apex of the bending portion W3 in which the long hole 12a is formed is used as a fulcrum. Bending into a ring shape, the first and second bulging portions 16 and 17 are locked in the first and second locking holes 13 and 14, and the locking piece 13a is engaged with the first locking hole 16a. It can be stopped and temporarily fixed. Further, in order to fix the article 9 to be fastened, tightening is performed by reducing the diameter by crushing the fastening ear 15 using a fastening tool 11 (see FIG. 4C).

尚、上述した各実施例において、金属帯状部材１２やバンド部３に形成される曲部Ｗ３を省略することも可能であるが、該曲部Ｗ３を設けるのが望ましい。なぜならば、金属帯状部材１２やバンド部３に形成される湾曲部Ｗ１，Ｗ２が深く形成できかつ開放端間の距離Ｗが広くとれるので、被締付け物９のすわりが良くなり（装着姿勢が安定し）、手動で仮止めする作業がし易くなるためである。
また、本締付けバンド１は、パイプ材の締付けに限らずホースや車両用等速ジョイント用ブーツの締付けに用いることも可能である。 In each of the above-described embodiments, the curved portion W3 formed on the metal strip member 12 or the band portion 3 can be omitted, but it is desirable to provide the curved portion W3. This is because the curved portions W1 and W2 formed in the metal strip member 12 and the band portion 3 can be formed deeply and the distance W between the open ends can be widened, so that the to-be-fastened object 9 can be satisfactorily (the mounting posture is stable). This is because it is easy to perform temporary fixing manually.
Further, the fastening band 1 can be used not only for fastening a pipe material but also for fastening a hose or a boot for a constant velocity joint for a vehicle.

第１実施例に係る締付けバンドの正面図である。It is a front view of the clamp band concerning the 1st example. クランプ部の製造工程説明図である。It is manufacturing process explanatory drawing of a clamp part. バンド部の製造工程説明図である。It is manufacturing process explanatory drawing of a band part. 被締付け物への締付け作業を示す説明図である。It is explanatory drawing which shows the fastening operation | work to a to-be-fastened thing. 第２実施例に係る締付けバンドの正面図である。It is a front view of the clamp band concerning the 2nd example.

符号の説明Explanation of symbols

１ 締付けバンド
２ クランプ部
３ バンド部
３ａ Ｕ字状切欠部
３ｂ 起立片
３ｃ，１２ａ 長孔
３ｄ，１２ｂ 舌部
３ｆ 切欠き部
４、１５ 締付け耳
４ａ、１５ａ 補強用凹部
４ｂ 起立部
５，７ａ，１３，１６ａ 第１の係止孔
５ａ，１３ａ 係止片
６，８ａ，１４，１７ａ 第２の係止孔
７、１６ 第１の膨出部
８，１７ 第２の膨出部
９ 被締付け物
１０ 接合部
１１ 締付け工具
１２ 金属帯状部材
Ｗ１，Ｗ２ 湾曲部
Ｗ３ 曲部
Ｒ１，Ｒ２ 円弧状部 DESCRIPTION OF SYMBOLS 1 Fastening band 2 Clamp part 3 Band part 3a U-shaped notch part 3b Standing piece 3c, 12a Long hole 3d, 12b Tongue part 3f Notch part 4, 15 Tightening ear 4a, 15a Reinforcing recessed part 4b Standing part 5, 7a, 13, 16a First locking hole 5a, 13a Locking piece 6, 8a, 14, 17a Second locking hole 7, 16 First bulging portion 8, 17 Second bulging portion 9 Tightened object DESCRIPTION OF SYMBOLS 10 Joining part 11 Tightening tool 12 Metal strip member W1, W2 Curved part W3 Curved part R1, R2 Arc-shaped part

Claims (6)

被締付け物（９）に巻き付けられる金属帯状部材の互いに係止可能な一端側と他端側との間が開放されて環状に形成された締付けバンド（１）であって、
前記金属帯状部材の中途部の一部を切り欠いて曲げ強度を低下させるとともに環状内方に向けて膨出させた曲部（Ｗ３）が形成され、該曲部（Ｗ３）を介して被締付け物（９）を収容する半円弧状の湾曲部（Ｗ１）（Ｗ２）が各々形成されている締付けバンド（１）。 A tightening band (1) formed in an annular shape by opening a space between one end side and the other end side of the metal band member wound around the object to be tightened (9).
A bent portion (W3) is formed by cutting out a part of the middle portion of the metal belt-shaped member to reduce the bending strength and bulge toward the inside of the ring, and tightened through the bent portion (W3). Tightening band (1) in which semicircular arc-shaped curved portions (W1) and (W2) for accommodating the object (9) are formed. 前記湾曲部（Ｗ１），（Ｗ２）及び曲部（Ｗ３）の直径φＤの大きさを各々（Ｄ１），（Ｄ２），（Ｄ３）とすると、Ｄ１≒Ｄ２＞Ｄ３となるように形成されている請求項１記載の締付けバンド。   The diameters φD of the curved portions (W1), (W2) and the curved portion (W3) are (D1), (D2), and (D3), respectively, so that D1≈D2> D3. The fastening band according to claim 1. 弧状に形成された金属帯状部材の一端側に切欠き部（２ａ）が形成され、他端側に設けられた係止孔（５）の縁部から孔内に向けて係止片（５ａ）が突設されたクランプ部（２）と、
金属帯状部材の一端側の中途部に起立片（３ｂ）が起立形成され他端側に前記係止片（５ａ）を挿入可能な係止孔（７ａ）が形成され、前記中途部の一部を切り欠いて曲げ強度を低下させるとともに環状内方に向けて膨出させた曲部（Ｗ３）が形成され、該曲部（Ｗ３）を介して円弧状部（Ｒ１）（Ｒ２）が各々形成されたバンド部（３）と、を具備し、
前記バンド部（３）の一端側が前記クランプ部（２）の一端側と前記締付け耳（４）の開口を跨いで重ね合わされ前記起立片（３ｂ）に前記切欠き部（２ａ）を位置合わせして一体に接合されて他端側が開放された環状に形成されている請求項１又は２記載の締付けバンド。 A notch (2a) is formed on one end side of the arc-shaped metal strip member, and the locking piece (5a) is directed from the edge of the locking hole (5) provided on the other end side into the hole. A projecting clamp (2),
An upright piece (3b) is formed upright in the middle of one end of the metal strip member, and a locking hole (7a) into which the locking piece (5a) can be inserted is formed in the other end, and a part of the midsection Is formed to form a curved portion (W3) that is bent down to reduce the bending strength and bulge toward the inside of the ring, and the arc-shaped portions (R1) and (R2) are formed through the curved portion (W3). A band part (3),
One end side of the band part (3) is overlapped across one end side of the clamp part (2) and the opening of the fastening ear (4), and the notch part (2a) is aligned with the upright piece (3b). The fastening band according to claim 1 or 2, wherein the fastening band is integrally formed and formed in an annular shape with the other end opened. 前記バンド部（３）のいずれか一方の湾曲部に被締付け物（９）を収容し、他方の湾曲部を押圧して曲部（Ｗ３）の頂点を中心に折り曲げることにより前記クランプ部（２）の係止片（５ａ）を前記バンド部（３）の係止孔（７ａ）に挿入係止してリング状に仮止めされる請求項３項記載の締付けバンド。   An object to be fastened (9) is accommodated in one of the curved portions of the band portion (3), the other curved portion is pressed and bent around the apex of the curved portion (W3) to thereby clamp the clamp portion (2 The fastening band according to claim 3, wherein the locking piece (5 a) is inserted and locked into the locking hole (7 a) of the band portion (3) and temporarily fixed in a ring shape. 前記湾曲部（Ｗ１），（Ｗ２）の直径をφＤ１≒φＤ２＝φＤとし、前記湾曲部（Ｗ１），（Ｗ２）が各々形成された金属帯状部材の開放端間の直線距離をＷとすると、φＤ＜Ｗとなるように前記金属帯状部材が環状に形成されている請求項１乃至請求項４のいずれか１項記載の締付けバンド。   When the diameters of the curved portions (W1) and (W2) are φD1≈φD2 = φD, and the linear distance between the open ends of the metal strip-like members on which the curved portions (W1) and (W2) are formed is W, The fastening band according to any one of claims 1 to 4, wherein the metal band-like member is formed in an annular shape so that φD <W. 前記曲部（Ｗ３）を形成する頂部には、金属帯状部材の長手方向に長孔（３ｃ，１２ａ）が穿孔されるか或いは幅狭となる切欠き部（３ｆ）が設けられている請求項１乃至請求項５のいずれか１記載の締付けバンド。   The top portion forming the curved portion (W3) is provided with a notch portion (3f) in which a long hole (3c, 12a) is drilled or narrowed in the longitudinal direction of the metal strip member. The fastening band according to any one of claims 1 to 5.
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