JP4842405B1 - Tightening band - Google Patents

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JP4842405B1
JP4842405B1 JP2011073319A JP2011073319A JP4842405B1 JP 4842405 B1 JP4842405 B1 JP 4842405B1 JP 2011073319 A JP2011073319 A JP 2011073319A JP 2011073319 A JP2011073319 A JP 2011073319A JP 4842405 B1 JP4842405 B1 JP 4842405B1
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overlapping
flat portion
arc
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JP2012210042A (en
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尚紀 伊藤
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株式会社ミハマ
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Abstract

【課題】偏平状の被締付け物を帯状のバンド部材を用いてトラック形状に周回させて締め付ける際に均等に締付け力を作用させ、かつ締付け作業や取り外し作業が容易に行なえる締付けバンドを提供する。
【解決手段】金属帯状のバンド部材２をトラック形状に周回させた内周側バンド部３とその外周に外側バンド部４が重ね合わせて巻かれる締付けバンド１であって、第１平坦部３ｂと第１重なり平坦部４ｃとの重なり領域Ｐと、第２平坦部３ｅと第２重なり平坦部４ｇとの重なり領域Ｑの少なくとも一方が５０〜１００％の範囲で形成されている。
【選択図】図３Provided is a tightening band that can apply a tightening force evenly when a flat-shaped object to be tightened is tightened in a track shape by using a band-shaped band member and can be easily tightened or removed. .
An inner band part 3 in which a metal band member 2 is wound in a track shape, and a tightening band 1 in which an outer band part 4 is overlapped and wound around the outer band part, and a first flat part 3b. At least one of the overlapping region P between the first overlapping flat portion 4c and the overlapping region Q between the second flat portion 3e and the second overlapping flat portion 4g is formed in a range of 50 to 100%.
[Selection] Figure 3

Description

本発明は、例えば電気自動車のバッテリーとモータとを連結する動力伝達ケーブルを結束する締付けバンドに関する。   The present invention relates to a tightening band that binds a power transmission cable that connects, for example, a battery and a motor of an electric vehicle.

車両用の電装部品にはワイヤーハーネスと呼ばれる電線を結束してインストルメンタルパネルに沿って配線することが行なわれている。例えば、エナメル線よりなる電線群を束ねて或いは並列状態にして絶縁樹脂チューブで被覆してハーネスを形成している。絶縁樹脂チューブは、非熱収縮チューブの外周側に熱収縮チューブを外装して熱収縮チューブを加熱して収縮させることにより電線群に密着被服させている（特許文献１参照）。   In an electrical component for a vehicle, an electric wire called a wire harness is bound and wired along an instrument panel. For example, a harness group is formed by bundling a group of electric wires made of enameled wires or in a parallel state and covering with an insulating resin tube. The insulating resin tube is closely attached to the electric wire group by sheathing the heat-shrinkable tube on the outer peripheral side of the non-heat-shrinkable tube and heating and shrinking the heat-shrinkable tube (see Patent Document 1).

近年、環境技術への関心と高まりとともに化石燃料の依存度が低いハイブリッド車や電気自動車が注目を集めている。例えば、電気自動車においては、駆動モータとインバータとを連結する比較的径の大きな動力伝達ケーブルが配線される。この動力伝達ケーブルも、走行面からの保護や、他の構造部品との干渉を避けて狭いスペースに配線する必要から、３本の動力伝達ケーブルを並列にして動力線の両端にコネクタを設け、該コネクタを通じてモータとインバータとを接続するようになっている。   In recent years, attention has been paid to hybrid vehicles and electric vehicles that are less dependent on fossil fuels as interest in environmental technology increases. For example, in an electric vehicle, a power transmission cable having a relatively large diameter that connects a drive motor and an inverter is wired. This power transmission cable also has connectors on both ends of the power line, with three power transmission cables in parallel, because it is necessary to protect it from the running surface and wiring in a narrow space avoiding interference with other structural parts, The motor and the inverter are connected through the connector.

コネクタは、合成樹脂製のターミナルハウジングに金属製（アルミダイカスト製）のシールドハウジングを嵌め合わせて構成されている。３本の動力伝達ケーブルは、３か所のコネクタ端子と各々接続されて抜け止めされている。また、シールドハウジングは、長円状の筒状本体の外周にフランジ部を設けた構造になっており、筒状本体の外周には編組線がかしめリングによってかしめられて固定されている。このシールドハウジングの外周を絶縁用の樹脂ブーツ（例えばゴムブーツ）により覆って保護されている（特許文献２、図１参照）。この樹脂ブーツをシールドハウジングに取り付ける場合には、例えばアルミ筒などをかぶせて油圧圧着工具によりかしめて結束することが行なわれている。   The connector is configured by fitting a metal (aluminum die-cast) shield housing into a synthetic resin terminal housing. The three power transmission cables are connected to the three connector terminals and are prevented from coming off. The shield housing has a structure in which a flange portion is provided on the outer periphery of an oval cylindrical main body, and a braided wire is caulked and fixed to the outer periphery of the cylindrical main body by a caulking ring. The outer periphery of the shield housing is protected by covering with an insulating resin boot (for example, rubber boot) (see Patent Document 2 and FIG. 1). When the resin boot is attached to the shield housing, for example, an aluminum cylinder is covered and the resin boot is caulked with a hydraulic pressure bonding tool.

特開２００９−１６３９４３号公報JP 2009-163943 A 特開２００７−２２７２５７号公報JP 2007-227257 A

上述した長円状のシールドケースの筒状本体に樹脂ブーツをかぶせて締付ける場合、比較的大径で偏平な形状をしており、アルミ筒を油圧圧着工具で締め付ける場合には、アルミ筒全体を圧縮してかしめる必要があるため、油圧工具は大がかりな設備になってしまい、製造ラインに配置することができず、工具位置までワークを移動して作業を行う必要があるため、作業性が悪いという課題があった。また、部品交換などメンテナンスにおいて一旦締付けた外装部品を取り外す際に、かしめてあると取り外し難いという問題があった。よって、製造ライン上で効率よく締付け作業が行なえ、補給品としても使用できる開放型のクランプ（締付けバンド）が求められていた。   When the resin boot is attached to the cylindrical body of the above-mentioned oval shield case and tightened, it has a relatively large diameter and flat shape, and when the aluminum cylinder is tightened with a hydraulic crimping tool, the entire aluminum cylinder is Since it is necessary to compress and caulk, the hydraulic tool becomes a large-scale facility, it cannot be placed on the production line, and it is necessary to move the work to the tool position, so workability is improved. There was a problem of being bad. In addition, there is a problem that it is difficult to remove the external parts once they are tightened in maintenance such as parts replacement. Therefore, there has been a demand for an open clamp (clamping band) that can be efficiently tightened on the production line and can be used as a supplement.

また、金属帯状のバンドを用いて結束する場合、長円状のシールドケースの筒状本体を締め付けると、トラック形状に締め付けることになるが、この場合、両側の円弧部どうしを連結する平坦部では、被締付け物の内径方向に締付け力が伝わり難く、弛みが発生し易いという課題があった。   Also, when bundling using metal band-like bands, tightening the cylindrical body of the oval shield case will tighten it to the track shape, but in this case, in the flat part that connects the arcs on both sides There is a problem that the tightening force is difficult to be transmitted in the inner diameter direction of the object to be tightened, and that loosening is likely to occur.

本願発明の目的は、上記従来技術の課題を解決し、偏平状の被締付け物を帯状のバンド部材を用いてトラック形状に周回させて締め付ける際に平坦部においても均等に締付け力を作用させ、かつ締付け作業や取り外し作業が容易に行なえる締付けバンドを提供することにある。   The object of the present invention is to solve the above-mentioned problems of the prior art, and to apply a tightening force evenly in a flat part when a flat-shaped object to be tightened is wound around a track shape using a band-shaped band member, Another object of the present invention is to provide a tightening band that can be easily tightened and removed.

本発明は上記目的を達成するため、次の構成を備える。
即ち、金属帯状のバンド部材をトラック形状に周回させた内周側バンド部とその外周に外側バンド部が重ね合わせて巻かれる締付けバンドであって、前記内側バンド部は、内側バンド端より所定長有する平坦部にフック部が形成された第１平坦部と、該第１平坦部に連続する第１円弧部と、該第１円弧部に連続し所定長有する平坦部に係止突起が形成された第２平坦部と、該第２平坦部に連続し前記第１平坦部に周回して連続する第２円弧部と、を有し、前記外側バンド部は、前記第２円弧部に連続して前記第１平坦部と重ね合わされ、前記第１平坦部の先端の段差吸収する段差吸収部が形成されるとともに前記フック部が挿入係止されるスリットが形成された第１重なり平坦部と、該第１重なり平坦部に連続して前記第１円弧部と重ね合わされ、中途部に外方に門形に折り曲げ形成された締付け耳が形成された第１重なり円弧部と、前記第１重なり円弧部に連続して前記第２平坦部と重ね合わされ、前記係止突起の係止する係止孔が形成された第２重なり平坦部と、を具備し、前記第１平坦部と前記第１重なり平坦部との重なり領域と、前記第２平坦部と前記第２重なり平坦部との重なり領域の少なくとも一方がトラック形状に巻かれた前記バンド部材の対向する各平坦部長さの５０〜１００％の範囲で形成さ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 arrangement.
That is, an inner band part obtained by winding a metal band member in a track shape and a tightening band in which an outer band part is overlapped and wound around the outer band part, and the inner band part has a predetermined length from the inner band end. A locking projection is formed on a first flat portion having a hook portion formed on the flat portion, a first arc portion continuing to the first flat portion, and a flat portion having a predetermined length continuing to the first arc portion. A second flat part, and a second arc part that is continuous with the second flat part and continues around the first flat part, and the outer band part is continuous with the second arc part. And a first overlapping flat part formed with a slit for forming a step absorption part for absorbing a step at a tip of the first flat part and a slit into which the hook part is inserted and locked. It overlaps with the first arc portion continuously with the first overlapping flat portion. A first overlapping arc portion in which a fastening ear formed outwardly in a gate shape is formed in the middle portion, and the second flat portion is overlapped continuously with the first overlapping arc portion, and the locking A second overlapping flat part formed with a locking hole for locking the protrusion, an overlapping region between the first flat part and the first overlapping flat part, the second flat part, and the second flat part. At least one of the overlapping regions with the overlapping flat part is formed in a range of 50 to 100% of the length of each flat part facing the band member wound in a track shape .

上記締付けバンドを用いれば、被締付け部をトラック形状に周回して締付ける内周側バンド部と外周側バンド部の第１平坦部と第１重なり平坦部との重なり領域と第２平坦部と第２重なり平坦部との重なり領域の少なくとも一方が５０〜１００％の範囲で形成されているため、内周側バンド部及び外周側バンド部で平坦部においても被締付け部の径方向に締め付け力が作用して均一に締め付けることができる。
また、締付け作業は、締付け耳を潰すだけで足りるため、大がかりな工具は不要であり、しかも取り外しも比較的容易に行なえる。 When the tightening band is used, the overlapping region of the inner peripheral side band portion, the first flat portion of the outer peripheral side band portion and the first overlapping flat portion, the second flat portion, 2 Since at least one of the overlapping regions with the overlapping flat portion is formed in a range of 50 to 100%, the tightening force is also exerted in the radial direction of the tightened portion even in the flat portion of the inner peripheral side band portion and the outer peripheral side band portion. Acts and can be tightened uniformly.
Further, since the tightening work only needs to be done by crushing the tightening ears, a large tool is not necessary, and the removal can be performed relatively easily.

また、本発明においては、被締付け物に前記第１平坦部、前記第１円弧部、前記第２平坦部を沿わせた状態で、直線的に連続する前記第２円弧部及び前記第１重なり平坦部と、前記第１重なり円弧部及び前記第２重なり平坦部とが、前記バンド部材のトラック形状の長手方向の中立線と締付け耳が形成された前記第１重なり円弧部の中立線とのなす角度が９０度より大きく１８０度より小さい鈍角に形成されていることが望ましい。   Further, in the present invention, the second arc portion and the first overlap that are linearly continuous in a state in which the first flat portion, the first arc portion, and the second flat portion are aligned with the work piece. A flat portion, the first overlapping arc portion and the second overlapping flat portion are a neutral line in the longitudinal direction of the band shape of the band member and a neutral line of the first overlapping arc portion in which a fastening ear is formed. It is desirable that the angle formed is an obtuse angle larger than 90 degrees and smaller than 180 degrees.

これにより、例えばケーブルを並列に収容した偏平状の被締付け物に第１平坦部、第１円弧部、第２平坦部を沿わせた状態で、内側バンド部とこれに連続する外側バンド部を周回して巻き付ける際に、外側バンド部の端部側である第２重なり平坦部が第１円弧部と干渉することなくスムーズに巻き付けることができ、作業性が向上する。   Thus, for example, in the state where the first flat portion, the first arc portion, and the second flat portion are placed along the flat tightened object that accommodates the cables in parallel, the inner band portion and the outer band portion that is continuous therewith are arranged. When winding around, the second overlapping flat portion on the end side of the outer band portion can be smoothly wound without interfering with the first arc portion, and workability is improved.

また、本発明においては、前記第１重なり平坦部に形成された前記スリットの前記フック部が挿入係止される係止端部と反対側端部には外方に膨出した膨出部が形成されているのが好ましい。
これにより、締付け耳を潰して内側バンド部及び外側バンド部を縮径する際に、第１重なり平坦部と第１平坦部が相対的に逆方向にスライドしてフック部がスリットの係止端部より離れる向きにスライドする際に、スリット内に逃げた被締付け物の肉を膨出部で逃がして破損するのを防ぐことができる。 Further, in the present invention, a bulging portion bulging outward is formed at an end opposite to the locking end where the hook portion of the slit formed in the first overlapping flat portion is inserted and locked. Preferably it is formed.
Accordingly, when the inner and outer band portions are reduced in diameter by crushing the fastening ear, the first overlapping flat portion and the first flat portion slide in the opposite directions, and the hook portion is the locking end of the slit. When sliding in a direction away from the part, it is possible to prevent the meat of the object to be fastened that has escaped into the slit from escaping at the bulging part and being damaged.

また、本発明においては、前記第１重なり平坦部に形成された前記スリットの両側には外側に膨らんだ補強用突条が各々形成されているので、スリットがフック部を挿入して締付け時のガイドとなるほかに、スリットによるバンド部材の強度低下を補強用突条により補完することができる。   In the present invention, since the reinforcing protrusions bulging outward are formed on both sides of the slit formed in the first overlapping flat portion, the slit is inserted when the hook portion is inserted and tightened. In addition to serving as a guide, the strength reduction of the band member due to the slit can be supplemented by the reinforcing protrusion.

更に、本発明においては、前記第１重なり円弧部に形成された前記締付け耳を潰すことにより前記内側バンド部材及び外側バンド部材を縮径させ、前記内側バンド部の前記第１平坦部先端を前記外側バンド部の段差吸収部に収容してバンド部材の内外段差吸収をする。
これにより、バンド部材による被締付け物のシール性が向上する。 Further, in the present invention, the inner band member and the outer band member are reduced in diameter by crushing the fastening ears formed in the first overlapping arc portion, and the tip of the first flat portion of the inner band portion is It accommodates in the level | step difference absorption part of an outer side band part, and absorbs the internal / external level | step difference of a band member.
Thereby, the sealing performance of the object to be fastened by the band member is improved.

本発明の締付けバンドを用いれば、並列配置されたケーブルを覆うシールドケースなどの偏平状の被締付け物を帯状のバンド部材を用いてトラック形状に周回させて締め付ける際に平坦部においても均等に締付け力を作用させ、かつ締付け作業や取り外し作業が容易に行なえる締付けバンドを提供することができる。   When the tightening band of the present invention is used, a flat tightened object such as a shield case covering cables arranged in parallel is wrapped around in a track shape using a band-shaped band member and tightened evenly in a flat portion. It is possible to provide a tightening band in which a force is applied and a tightening operation or a removal operation can be easily performed.

仮止め状態の締付けバンドの正面図、左側面図、上面図、底面図及びフック部の部分断面図である。It is a front view, a left side view, a top view, a bottom view, and a partial cross-sectional view of a hook portion of a tightening band in a temporarily fixed state. 縮径後の締付けバンドの正面図である。It is a front view of the fastening band after diameter reduction. 縮径後の締付けバンドのクランプ力の差異を説明する比較図である。It is a comparison figure explaining the difference in the clamping force of the fastening band after diameter reduction. バンド部材の平面図及び正面図である。It is the top view and front view of a band member. 被締付け物に対するバンド締付け動作の説明図である。It is explanatory drawing of the band fastening operation | movement with respect to a to-be-fastened thing. 被締付け物に対するバンド締付け動作の説明図である。It is explanatory drawing of the band fastening operation | movement with respect to a to-be-fastened thing. 被締付け物に対するバンド締付け動作の説明図である。It is explanatory drawing of the band fastening operation | movement with respect to a to-be-fastened thing. 被締付け物に対するバンド締付け動作の説明図である。It is explanatory drawing of the band fastening operation | movement with respect to a to-be-fastened thing. 被締付け物に対するバンド締付け動作の説明図である。It is explanatory drawing of the band fastening operation | movement with respect to a to-be-fastened thing. 被締付け物に対するバンド締付け動作の説明図である。It is explanatory drawing of the band fastening operation | movement with respect to a to-be-fastened thing. 被締付け物に対するバンド締付け動作の対比説明図である。It is comparison explanatory drawing of the band fastening operation | movement with respect to a to-be-fastened thing. 被締付け物に対するバンド締付け動作の対比説明図である。It is comparison explanatory drawing of the band fastening operation | movement with respect to a to-be-fastened thing.

以下、本発明に係る締付けバンドの一例について説明する。
先ず、図１乃至図４を参照して締付けバンドの構成について説明する。
図１（ａ）に示すように、締付けバンド１は、金属帯状のバンド部材２を被締付け物（シール材）５の周囲にトラック形状に周回させた内周側バンド部３とその外周に外側バンド部４が重ね合わせて巻かれる。バンド部材２は、金属帯状部材（例えばステンレススチール材（ＳＵＳ３０１，ＳＵＳ３０４，ＳＵＳ４３０など）が用いられる。 Hereinafter, an example of the fastening band according to the present invention will be described.
First, the configuration of the tightening band will be described with reference to FIGS.
As shown in FIG. 1A, the tightening band 1 includes an inner peripheral band portion 3 in which a metal band-shaped band member 2 is circulated in a track shape around an object to be tightened (seal material) 5 and an outer periphery on an outer periphery thereof. The band part 4 is overlapped and wound. The band member 2 is made of a metal strip member (for example, a stainless steel material (SUS301, SUS304, SUS430, etc.)).

図４（ａ）（ｂ）において、内側バンド部３は、内側バンド端より所定長有する平坦部にフック部３ａが形成されて第１平坦部３ｂと（図１（ａ）参照）、該第１平坦部３ｂに連続する第１円弧部３ｃと（図１（ａ）参照）、該第１円弧部３ｃに連続し所定長有する平坦部に係止突起３ｄが２か所に形成された第２平坦部３ｅと（図１（ｃ）参照）、該第２平坦部３ｅに連続し前記第１平坦部３ｂ上に周回して連続する第２円弧部３ｆと（図１（ａ）参照）、を有する。第１平坦部３ｂの先端部は、Ｖノッチが形成された二股状端部３ｇが形成されている。尚、二股状端部３ｇに代えて舌片状端部など他の形態であってもよい。   4 (a) and 4 (b), the inner band portion 3 has a hook portion 3a formed on a flat portion having a predetermined length from the inner band end, and a first flat portion 3b (see FIG. 1 (a)). A first arc portion 3c continuous to one flat portion 3b (see FIG. 1 (a)), and a locking projection 3d formed in two places on a flat portion continuing to the first arc portion 3c and having a predetermined length. 2 flat portions 3e (see FIG. 1 (c)), and a second arc portion 3f that continues to the second flat portion 3e and continues around the first flat portion 3b (see FIG. 1 (a)). Have. A bifurcated end 3g having a V notch is formed at the tip of the first flat portion 3b. In addition, it may replace with the forked end part 3g, and other forms, such as a tongue-like end part, may be sufficient.

また、図４（ａ）（ｂ）において、外側バンド部４は、第２円弧部３ｆに連続して第１平坦部３ｂと重ね合わされ、第１平坦部３ｂの先端の段差吸収する段差吸収部４ａが形成されるとともにフック部３ａが挿入されるスリット４ｂが形成された第１重なり平坦部４ｃと（図１（ｄ）（ｅ）参照）、該第１重なり平坦部４ｃに連続して第１円弧部３ｃと重ね合わされ、中途部に外方に門形に折り曲げ形成された締付け耳４ｄが形成された第１重なり円弧部４ｅと（図１（ａ）（ｂ）参照）、該第１重なり円弧部４ｅに連続して第２平坦部３ｅと重ね合わされ、係止突起３ｄの係止する係止孔４ｆが形成された第２重なり平坦部４ｇと（図１（ａ）（ｃ）参照）、を具備している。   4 (a) and 4 (b), the outer band portion 4 is overlapped with the first flat portion 3b continuously to the second arc portion 3f, and a step absorbing portion that absorbs the step at the tip of the first flat portion 3b. A first overlapping flat portion 4c formed with a slit 4b into which the hook portion 3a is inserted (see FIGS. 1 (d) and (e)); A first overlapping arc portion 4e which is overlapped with one arc portion 3c and formed with a fastening ear 4d which is bent outwardly in the middle in the middle portion (see FIGS. 1A and 1B), the first A second overlapping flat portion 4g which is overlapped with the second flat portion 3e continuously with the overlapping arc portion 4e and formed with a locking hole 4f for locking the locking projection 3d (see FIGS. 1A and 1C). ).

図４（ａ）において、第１重なり平坦部４ｃに形成されたスリット４ｂのフック部３ａが挿入係止される係止端部と反対側端部には外方に膨出した膨出部４ｈが形成されている（図１（ｄ）参照）。これにより、締付け耳４ｄを潰して内側バンド部３及び外側バンド部４を縮径する際に、第１重なり平坦部４ｃと第１平坦部３ｂが相対的に逆方向にスライドしてフック部３ａがスリット４ｂの係止端部より離れる向きにスライドする際に、スリット４ｂ内に逃げた被締付け物５の肉を膨出部４ｈで逃がして破損するのを防ぐことができる。   In FIG. 4 (a), a bulging portion 4h bulging outward at the end opposite to the locking end where the hook portion 3a of the slit 4b formed in the first overlapping flat portion 4c is inserted and locked. Is formed (see FIG. 1D). As a result, when the tightening ear 4d is crushed and the inner band part 3 and the outer band part 4 are reduced in diameter, the first overlapping flat part 4c and the first flat part 3b slide relatively in opposite directions to hook part 3a. When sliding in a direction away from the locking end of the slit 4b, it is possible to prevent the meat of the tightened article 5 that has escaped into the slit 4b from escaping at the bulging portion 4h and being damaged.

また、図１（ｄ）及び図４（ａ）において、第１重なり平坦部４ｃに形成されたスリット４ｂの両側には外側に膨らんだ補強用突条４ｉが形成されているので、スリット４ｂがフック部３ａを挿入して締付け時のガイドとなるほかに、スリット４ｂによるバンド部材２の強度低下を補強用突条４ｉにより補完することができる。   Further, in FIGS. 1 (d) and 4 (a), reinforcing protrusions 4i bulging outward are formed on both sides of the slit 4b formed in the first overlapping flat portion 4c, so that the slit 4b In addition to inserting the hook portion 3a to serve as a guide during tightening, the strength reduction of the band member 2 due to the slit 4b can be supplemented by the reinforcing protrusion 4i.

また、図２に示すように、第１重なり円弧部４ｅに形成された締付け耳４ｄを潰すことにより、内側バンド部材３及び外側バンド部材４を縮径させ、内側バンド部３の第１平坦部３ｂ先端を外側バンド部４の段差吸収部４ａに収容して段差吸収する。段差吸収部４ａは、第１重なり平坦部４ｃの第２円弧部３ｆとの近傍に形成されている。   Further, as shown in FIG. 2, the inner band member 3 and the outer band member 4 are reduced in diameter by crushing the fastening ear 4d formed on the first overlapping arc portion 4e, and the first flat portion of the inner band portion 3 is reduced. The tip of 3b is accommodated in the level | step-difference absorption part 4a of the outer side band part 4, and a level | step difference is absorbed. The step absorption part 4a is formed in the vicinity of the second arcuate part 3f of the first overlapping flat part 4c.

図２において、締付けバンド１が縮径状態において、第１平坦部３ｂと第１重なり平坦部４ｃとの重なり領域Ｐと、第２平坦部３ｅと第２重なり平坦部４ｇとの重なり領域Ｑの少なくとも一方が５０〜１００％の範囲で形成されていることが望ましい。この理由について図３（ａ）（ｂ）を参照して説明する。   In FIG. 2, when the tightening band 1 is in a reduced diameter state, the overlapping region P between the first flat portion 3b and the first overlapping flat portion 4c and the overlapping region Q between the second flat portion 3e and the second overlapping flat portion 4g It is desirable that at least one is formed in a range of 50 to 100%. The reason for this will be described with reference to FIGS.

図３（ａ）に示すように締付けバンド１は、第１平坦部３ｂと第１重なり平坦部４ｃとの重なり領域Ｐと、第２平坦部３ｅと第２重なり平坦部４ｇとの重なり領域Ｑの双方が１００％で形成されている。この状態で、締付け耳４ｄを工具で挟み込んで潰すと、第１重なり円弧部４ｅの両側が引っ張られて第１重なり平坦部４ｃが第１平坦部３ｂを押え込んで内周側へ締付ける締付け力が作用し、同様に第２重なり平坦部４ｇが第２平坦部３ｅを押え込んで内周側へ締付ける締付け力が作用する。よって、内側バンド部３及び外側バンド部４においても、平坦部においても被締付け物５の径方向に締め付け力が作用して均一に締め付けることができる。また、締付け作業は、締付け耳４ｄを潰すだけで足りるため、大がかりな工具は不要であり、しかも係止突起３ｄと係止孔４ｆの係止状態を解除するだけで取り外しも比較的容易に行なえる。
尚、第２平坦部３ｅに形成された係止突起３ｄと第２重なり平坦部４ｅに形成された係止孔４ｆは平坦部の重なり領域Ｑにおいて第２円弧部３ｆに近い方に形成されているのが望ましい。これにより、締付けバンド１を縮径した際のバンド端である第２重なり平坦部４ｅの浮き上がりが抑えられるためである。 As shown in FIG. 3A, the fastening band 1 includes an overlap region P between the first flat portion 3b and the first overlap flat portion 4c, and an overlap region Q between the second flat portion 3e and the second overlap flat portion 4g. Both are formed with 100%. In this state, when the clamping ear 4d is pinched with a tool and crushed, both sides of the first overlapping arc portion 4e are pulled, and the first overlapping flat portion 4c presses the first flat portion 3b and tightens to the inner peripheral side. Similarly, the second overlapping flat part 4g presses the second flat part 3e and a tightening force is applied to tighten the inner peripheral side. Therefore, even in the inner band portion 3 and the outer band portion 4, even in the flat portion, the tightening force acts in the radial direction of the article 5 to be tightened, and the tightening can be performed uniformly. Further, since the tightening operation is only required by crushing the tightening ear 4d, a large tool is not required, and it is relatively easy to remove by simply releasing the locking state of the locking projection 3d and the locking hole 4f. The
The locking projection 4d formed in the second flat portion 3e and the locking hole 4f formed in the second overlapping flat portion 4e are formed closer to the second arc portion 3f in the overlapping region Q of the flat portion. It is desirable. This is because lifting of the second overlapping flat portion 4e, which is the band end when the diameter of the fastening band 1 is reduced, is suppressed.

これに対して、図３（ｂ）に示す締付けバンド１は、第１平坦部３ｂと第１重なり平坦部４ｃとの重なり領域Ｐと、第２平坦部３ｅと第２重なり平坦部４ｇとの重なり領域Ｑの双方が５０％に満たない領域で形成されているこの状態で、締付け耳４ｄを工具で挟み込んで潰すと、第１重なり円弧部４ｅの両側が引っ張られて外側バンド部４の端部である第２重なり平坦部４ｇが浮き上がり、第２平坦部３ｅを押え込む力が弱まり、同様に第１重なり平坦部４ｃが重なり領域が少ない第１平坦部３ｂを押え込む力が弱まり、バンド全体として円弧部に比べて平坦部における内周側へ締付ける締付け力が弱まるため、シール性が低下する。   On the other hand, the fastening band 1 shown in FIG. 3B includes an overlap region P between the first flat portion 3b and the first overlap flat portion 4c, and a second flat portion 3e and a second overlap flat portion 4g. In this state where both of the overlapping regions Q are formed in a region that is less than 50%, when the fastening ear 4d is sandwiched with a tool and crushed, both sides of the first overlapping arc portion 4e are pulled and the end of the outer band portion 4 is pulled. The second overlapping flat part 4g, which is a part, rises, and the force for pressing the second flat part 3e is weakened. Similarly, the force for pressing the first flat part 3b having a small overlapping area is weakened by the first overlapping flat part 4c. As a whole, the tightening force to be tightened toward the inner peripheral side of the flat portion is weaker than that of the arc portion, so that the sealing performance is deteriorated.

次に被締付け物５に上述した締付けバンド１をオープン状態から取り付けて仮止めを経て縮径するまでの締付け動作について図５乃至図１０を参照して説明する。
先ず、締付けバンド１は、図４（ａ）（ｂ）のブランク板の状態から図５に示すように、第１平坦部３ｂに対して第１円弧部３ｃを円弧状に曲げ第２平坦部３ｅ、第２円弧部３ｆ、第１重なり平坦部４ｃが直線的に連なり、第１重なり円弧部４ｇが円弧状に形成されかつ締付け耳４ｄが門型に突出形成され、これに第２重なり平坦部４ｇが接線方向に連なった形状に予め曲げ成形されている。 Next, a tightening operation until the above-described tightening band 1 is attached to the object to be tightened 5 from an open state and is temporarily tightened to reduce the diameter will be described with reference to FIGS.
First, as shown in FIG. 5 from the state of the blank plate of FIGS. 4 (a) and 4 (b), the tightening band 1 is formed by bending the first arc portion 3c into an arc shape with respect to the first flat portion 3b. 3e, the second arc portion 3f, and the first overlapping flat portion 4c are linearly connected, the first overlapping arc portion 4g is formed in an arc shape, and the fastening ear 4d is formed to protrude in a gate shape. The part 4g is previously bent into a shape that is continuous in the tangential direction.

図５の偏平状の被締付け物５に、第１平坦部３ｂ、第１円弧部３ｃ、第２平坦部３ｅを沿わせた状態で、締付けバンド１を装着する。この状態で、直線的に連続する第２円弧部３ｆ及び第１重なり平坦部４ｃと、第１重なり円弧部４ｅ及び第２重なり平坦部４ｇとが、バンド部材２のトラック形状の長手方向の中立線Ｌ（例えば図示しない並列するケーブルの中心を水平につなぎ合わせた中心線）と締付け耳４ｄが形成された第１重なり円弧部４ｅの中立線Ｍ（円弧部４ｅの中心線）のとのなす角度θが９０度より大きく１８０度より小さい鈍角に形成されている。本実施例では角度θは１２０°程度に形成されている。   The fastening band 1 is mounted in a state where the first flat portion 3b, the first circular arc portion 3c, and the second flat portion 3e are aligned with the flat workpiece 5 shown in FIG. In this state, the second arc portion 3f and the first overlapping flat portion 4c that are linearly continuous, and the first overlapping arc portion 4e and the second overlapping flat portion 4g are neutral in the longitudinal direction of the track member 2 in the track shape. A line L (for example, a center line obtained by horizontally connecting the centers of parallel cables (not shown)) and a neutral line M (center line of the arc portion 4e) of the first overlapping arc portion 4e formed with the fastening ear 4d. The angle θ is formed to be an obtuse angle larger than 90 degrees and smaller than 180 degrees. In the present embodiment, the angle θ is formed to be about 120 °.

次に、図６に示すように、作業者が指で第２円弧部３ｆを押圧しながら円弧状に曲げながら巻き付ける。このとき、第２円弧部３ｆに連続する外側バンド部４の第２重なり平坦部４ｇは内側バンド部３が巻き付けられた被締付け物５に接近するが干渉することはない。   Next, as shown in FIG. 6, the operator winds the second arc portion 3 f while bending it in an arc shape while pressing the second arc portion 3 f with a finger. At this time, the second overlapping flat portion 4g of the outer band portion 4 continuous with the second arc portion 3f approaches the object 5 to be fastened around the inner band portion 3 but does not interfere with it.

次いで、図７に示すように、作業者は指で第１重なり平坦部４ｃを押圧して第１平坦部３ｂ上に重ね合わせるようにする。そして、図８に示すように、フック部３ａをスリット４ｂに挿入させて係止させる。このとき、外側バンド部４の第２重なり平坦部４ｇは内側バンド部３の第１円弧部３ｃを超えて巻き付けられる。   Next, as shown in FIG. 7, the operator presses the first overlapping flat portion 4c with his / her finger so as to overlap the first flat portion 3b. And as shown in FIG. 8, the hook part 3a is inserted in the slit 4b, and is latched. At this time, the second overlapping flat part 4 g of the outer band part 4 is wound over the first arc part 3 c of the inner band part 3.

次いで、図９に示すように、作業者は指で第１重なり円弧部４ｅを押圧して第１円弧部３ｃ上に重ね合わせるようにする。このとき、フック部３ａがスリット４ｂに係止しているため、第１重なり円弧部４ｅはフック部３ａの係止部を支点として第１円弧部３ｃ上に容易に重ね合わせることができる。そして、図１０に示すように、第２重なり平坦部４ｇの係止孔４ｆを第２平坦部３ｅの係止突起３ｄに係止させて、締付けバンド１が被締付け物５に仮止めされる。このとき、外側バンド部４の第２重なり平坦部４ｇは、係止動作と反対向きの戻り力が作用するので、係止突起３ｄに係止したまま外れることがない。   Next, as shown in FIG. 9, the operator presses the first overlapping arc portion 4e with a finger so as to overlap the first arc portion 3c. At this time, since the hook portion 3a is engaged with the slit 4b, the first overlapping arc portion 4e can be easily superimposed on the first arc portion 3c with the engaging portion of the hook portion 3a as a fulcrum. Then, as shown in FIG. 10, the locking hole 4 f of the second overlapping flat portion 4 g is locked to the locking protrusion 3 d of the second flat portion 3 e, and the tightening band 1 is temporarily fixed to the tightened object 5. . At this time, the second overlapping flat portion 4g of the outer band portion 4 does not come off while being locked to the locking projection 3d because a return force opposite to the locking action acts.

これにより、ケーブルが並列に並んだ偏平状の被締付け物５に第１平坦部３ｂ、第１円弧部３ｃ、第２平坦部３ｅを沿わせた状態で、内側バンド部３とこれに連続する外側バンド部４を周回して巻きつける際に、外側バンド部４の端部側である第２重なり平坦部４ｇが第１円弧部３ｃと干渉することなくスムーズに巻き付けることができ、作業性が向上する。   As a result, the inner band portion 3 is continuous with the first flat portion 3b, the first arc portion 3c, and the second flat portion 3e along the flat clamped object 5 in which the cables are arranged in parallel. When the outer band portion 4 is wound around and wound, the second overlapping flat portion 4g on the end side of the outer band portion 4 can be smoothly wound without interfering with the first arc portion 3c, and workability is improved. improves.

最後に図２に示すように、締付け耳４ｄを工具で挟み込んで潰すことにより、第１重なり円弧部４ｅの両側に連続する第１重なり平坦部４ｃ及び第２重なり平坦部４ｇが引っ張られて、第１平坦部３ｂ及び第２平坦部３ｅを押え込んで内周側へ締付け、第１平坦部３ｂの二股状端部３ｇが相対的に段差吸収部４ａに移動して収容されて締付け動作が完了する。尚、フック部３ａがスリット４ｂに沿って移動するため、内側バンド部３と外側バンド部４が位置ずれするおそれはない。   Finally, as shown in FIG. 2, the first overlapping flat portion 4c and the second overlapping flat portion 4g continuous on both sides of the first overlapping arc portion 4e are pulled by sandwiching and crushing the fastening ear 4d with a tool, The first flat portion 3b and the second flat portion 3e are pressed in and tightened to the inner peripheral side, and the bifurcated end portion 3g of the first flat portion 3b is relatively moved to and accommodated in the step absorption portion 4a to perform a tightening operation. Complete. In addition, since the hook part 3a moves along the slit 4b, there is no possibility that the inner band part 3 and the outer band part 4 are displaced.

これに対して、図１１に示すように、締付けバンド１が、全体として開口を有するトラック形状に形成されている。即ち、バンド部材２のトラック形状の長手方向の中立線Ｌ（例えば並列するケーブルの中心を水平につなぎ合わせた中心線）と締付け耳４ｄが形成された第１重なり円弧部４ｅの中立線Ｍ（円弧部４ｅの中心線）が重なり合う状態（θ＝１８０°）に形成されている。   On the other hand, as shown in FIG. 11, the fastening band 1 is formed in a track shape having an opening as a whole. That is, the neutral line L in the longitudinal direction of the track shape of the band member 2 (for example, the center line obtained by horizontally connecting the centers of the parallel cables) and the neutral line M of the first overlapping arc portion 4e in which the fastening ear 4d is formed ( The center line of the circular arc part 4e is formed in an overlapping state (θ = 180 °).

この状態で図１１の偏平状の被締付け物５に、第１平坦部３ｂ、第１円弧部３ｃ、第２平坦部３ｅを沿わせた状態で、締付けバンド１を装着する。そして図１２に示すように、作業者が指で第２円弧部３ｆを押圧しながら円弧状に曲げながら巻き付ける。このとき、第２円弧部３ｆに連続する外側バンド部４の第２重なり平坦部４ｇは内側バンド部３の第１平坦部３ｂに突き当たって干渉するため、巻き付け難くなる。   In this state, the tightening band 1 is attached in a state where the first flat portion 3b, the first arc portion 3c, and the second flat portion 3e are aligned with the flat tightened object 5 of FIG. Then, as shown in FIG. 12, the operator winds the second arcuate part 3f while pressing it with a finger while bending it into an arc. At this time, the second overlapping flat part 4g of the outer band part 4 continuous with the second arc part 3f hits and interferes with the first flat part 3b of the inner band part 3, so that it is difficult to wind.

尚、バンド部材２のトラック形状の長手方向の中立線Ｌと第１重なり円弧部４ｅの中立線Ｍ（円弧部４ｅの中心線）とが９０度の場合にも、第１重なり円弧部４ｅの第１重なり平坦部４ｃに対する曲げ量が多くなるため、バンド部材２に応力ひずみが残るおそれがあるため好ましくない。   Even when the track-shaped neutral line L in the longitudinal direction of the band member 2 and the neutral line M of the first overlapping arc part 4e (center line of the arc part 4e) are 90 degrees, the first overlapping arc part 4e Since the bending amount with respect to the 1st overlap flat part 4c increases, since there exists a possibility that the stress distortion may remain in the band member 2, it is not preferable.

上述したように、本発明に係る締付けバンド１を用いれば、偏平状の被締付け物５を帯状のバンド部材２を用いてトラック形状に周回させて締め付ける際に均等に締付け力を作用させ、かつ締付け作業や取り外し作業が容易に行なえる。   As described above, when the tightening band 1 according to the present invention is used, when the flat object 5 is wound around the track shape using the band-shaped band member 2, the tightening force is evenly applied, and Tightening work and removal work can be done easily.

尚、締付けバンド１はトラック形状に平坦部どうしが重なり合うように巻き付けたが両側の円弧部どうしが重なり合うように二重に巻き付けてもよい。また、第１平坦部３ｂと重なる第１重なり平坦部４ｃ及び第２平坦部３ｅと重なる第２重なり平坦部４ｇの重なり領域は、概ね５０％以上であれば任意の長さにすることが可能である。また、締付けバンド１を被締付け物５に装着する際のバンド部材２のトラック形状の長手方向の中立線Ｌと第１重なり円弧部４ｅの中立線Ｍとのなす角度θも９０°より大きく１８０°より小さい鈍角であれば、いずれでもよい。   The fastening band 1 is wound so that the flat portions overlap each other in the track shape, but may be wound twice so that the arc portions on both sides overlap each other. The overlapping region of the first overlapping flat part 4c that overlaps with the first flat part 3b and the second overlapping flat part 4g that overlaps with the second flat part 3e can be arbitrarily long as long as it is approximately 50% or more. It is. Further, the angle θ formed by the neutral line L in the longitudinal direction of the track shape of the band member 2 and the neutral line M of the first overlapping arc portion 4e when the tightening band 1 is attached to the article 5 to be tightened is also larger than 90 ° and 180 °. Any obtuse angle smaller than ° may be used.

１ 締付けバンド
２ バンド部材
３ 内側バンド部
３ａ フック部
３ｂ 第１平坦部
３ｃ 第１円弧部
３ｄ 係止突起
３ｅ 第２平坦部
３ｆ 第２円弧部
３ｇ 二股状端部
４ 外側バンド部
４ａ 段差吸収部
４ｂ スリット
４ｃ 第１重なり平坦部
４ｄ 締付け耳
４ｅ 第１重なり円弧部
４ｆ 係止孔
４ｇ 第２重なり平坦部
４ｈ 膨出部
４ｉ 補強用突条
５ 被締付け物 1 Tightening band 2 Band member 3 Inner band
3a Hook part
3b 1st flat part
3c 1st circular arc part
3d locking protrusion
3e 2nd flat part
3f Second arc part
3g bifurcated end
4 Outer band part
4a Step absorption part
4b slit
4c 1st overlap flat part
4d tightening ear
4e First overlap arc part
4f Locking hole
4g 2nd overlap flat part
4h bulge
4i Reinforcing ridge
5 Fastened items

Claims (5)

金属帯状のバンド部材をトラック形状に周回させた内周側バンド部とその外周に外側バンド部が重ね合わせて巻かれる締付けバンドであって、
前記内側バンド部は、内側バンド端より所定長有する平坦部にフック部が形成された第１平坦部と、該第１平坦部に連続する第１円弧部と、該第１円弧部に連続し所定長有する平坦部に係止突起が形成された第２平坦部と、該第２平坦部に連続し前記第１平坦部に周回して連続する第２円弧部と、を有し、
前記外側バンド部は、前記第２円弧部に連続して前記第１平坦部と重ね合わされ、前記第１平坦部の先端の段差吸収する段差吸収部が形成されるとともに前記フック部が挿入係止されるスリットが形成された第１重なり平坦部と、該第１重なり平坦部に連続して前記第１円弧部と重ね合わされ、中途部に外方に門形に折り曲げ形成された締付け耳が形成された第１重なり円弧部と、前記第１重なり円弧部に連続して前記第２平坦部と重ね合わされ、前記係止突起の係止する係止孔が形成された第２重なり平坦部と、を具備し、
前記第１平坦部と前記第１重なり平坦部との重なり領域と、前記第２平坦部と前記第２重なり平坦部との重なり領域の少なくとも一方がトラック形状に巻かれた前記バンド部の対向する各平坦部長さの５０〜１００％の範囲で形成されていることを特徴とする締付けバンド。 A tightening band in which a metal band-shaped band member is wound in a track shape and an outer band part is overlapped and wound on the outer periphery side band part,
The inner band portion includes a first flat portion in which a hook portion is formed on a flat portion having a predetermined length from an inner band end, a first arc portion that is continuous with the first flat portion, and a first arc portion that is continuous with the first arc portion. A second flat part in which a locking projection is formed on the flat part having a predetermined length; and a second arc part continuous to the second flat part and continuous around the first flat part,
The outer band portion is overlapped with the first flat portion in succession to the second arc portion to form a step absorbing portion that absorbs a step at the tip of the first flat portion, and the hook portion is inserted and locked. A first overlapping flat portion having a slit formed thereon, and a fastening ear which is continuously overlapped with the first arc portion and is bent outwardly in a gate shape in the middle portion. A first overlapping arc portion that is formed, and a second overlapping flat portion that is overlapped with the second flat portion in succession to the first overlapping arc portion, and in which a locking hole for locking the locking protrusion is formed, Comprising
At least one of an overlap region between the first flat portion and the first overlap flat portion and an overlap region between the second flat portion and the second overlap flat portion is opposed to the band portion wound in a track shape. A fastening band, which is formed in a range of 50 to 100% of each flat portion length . 被締付け物に前記第１平坦部、前記第１円弧部、前記第２平坦部を沿わせた状態で、直線的に連続する前記第２円弧部及び前記第１重なり平坦部と、前記第１重なり円弧部及び前記第２重なり平坦部とが、前記バンド部材のトラック形状の長手方向の中立線と締付け耳が形成された前記第２重なり円弧部の中立線とのなす角度が９０度より大きく１８０度より小さい鈍角に形成されている請求項１記載の締付けバンド。   The first arcuate portion, the first arcuate portion, and the second flattened portion along the object to be tightened, the second arcuate portion and the first overlapped flat portion that are linearly continuous, and the first The angle formed by the overlapping arc portion and the second overlapping flat portion between the track-shaped neutral line in the longitudinal direction of the band member and the neutral line of the second overlapping arc portion where the fastening ear is formed is greater than 90 degrees. The fastening band according to claim 1, wherein the fastening band is formed at an obtuse angle smaller than 180 degrees. 前記第１重なり平坦部に形成された前記スリットの前記フック部が挿入係止される係止端部と反対側端部には、外方に膨出した膨出部が形成されている請求項１又は請求項２記載の締付けバンド。   The bulging portion bulging outward is formed at an end portion opposite to the locking end portion into which the hook portion of the slit formed in the first overlapping flat portion is inserted and locked. The fastening band according to claim 1 or 2. 前記第１重なり平坦部に形成された前記スリットの両側には外側に膨らんだ補強用突条が各々形成されている請求項１乃至請求項３のいずれか１項記載の締付けバンド。   The fastening band according to any one of claims 1 to 3, wherein reinforcing protrusions bulging outward are formed on both sides of the slit formed in the first overlapping flat portion. 前記第１重なり円弧部に形成された前記締付け耳を潰すことにより前記内側バンド部材及び外側バンド部材を縮径させ、前記内側バンド部の前記第１平坦部先端を前記外側バンド部の段差吸収部に収容して前記バンド部材の内外段差を吸収する請求項１乃至請求項４のいずれか１項記載の締付けバンド。   The inner band member and the outer band member are reduced in diameter by crushing the fastening ears formed in the first overlapping arc part, and the tip of the first flat part of the inner band part is a step absorption part of the outer band part. The tightening band according to any one of claims 1 to 4, wherein the tightening band is accommodated in a band and absorbs the inner and outer steps of the band member.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014074474A (en) * 2012-10-05 2014-04-24 Sumitomo Wiring Syst Ltd Fitting structure of fastening band
JP2014074473A (en) * 2012-10-05 2014-04-24 Sumitomo Wiring Syst Ltd Fastening band and fitting structure of fastening band

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0510312A (en) * 1991-06-29 1993-01-19 Mihama Seisakusho:Kk Clamping band
JP3860529B2 (en) * 2002-11-25 2006-12-20 株式会社ミハマ Tightening band
JP2007227257A (en) * 2006-02-24 2007-09-06 Auto Network Gijutsu Kenkyusho:Kk Wire harness and its manufacturing method
JP2009163943A (en) * 2007-12-28 2009-07-23 Autonetworks Technologies Ltd Wire harness for vehicle
JP2010009866A (en) * 2008-06-25 2010-01-14 Yazaki Corp Wire harness wiring structure
JP2010051064A (en) * 2008-08-19 2010-03-04 Sumitomo Wiring Syst Ltd Protector for wiring harnesses

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0510312A (en) * 1991-06-29 1993-01-19 Mihama Seisakusho:Kk Clamping band
JP3860529B2 (en) * 2002-11-25 2006-12-20 株式会社ミハマ Tightening band
JP2007227257A (en) * 2006-02-24 2007-09-06 Auto Network Gijutsu Kenkyusho:Kk Wire harness and its manufacturing method
JP2009163943A (en) * 2007-12-28 2009-07-23 Autonetworks Technologies Ltd Wire harness for vehicle
JP2010009866A (en) * 2008-06-25 2010-01-14 Yazaki Corp Wire harness wiring structure
JP2010051064A (en) * 2008-08-19 2010-03-04 Sumitomo Wiring Syst Ltd Protector for wiring harnesses

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014074474A (en) * 2012-10-05 2014-04-24 Sumitomo Wiring Syst Ltd Fitting structure of fastening band
JP2014074473A (en) * 2012-10-05 2014-04-24 Sumitomo Wiring Syst Ltd Fastening band and fitting structure of fastening band

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