JP4711329B2 - Retention tool for communication line - Google Patents

Retention tool for communication line Download PDF

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JP4711329B2
JP4711329B2 JP2005058160A JP2005058160A JP4711329B2 JP 4711329 B2 JP4711329 B2 JP 4711329B2 JP 2005058160 A JP2005058160 A JP 2005058160A JP 2005058160 A JP2005058160 A JP 2005058160A JP 4711329 B2 JP4711329 B2 JP 4711329B2
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wire
base
pawl
support wire
support
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JP2006217784A (en
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宏 田部
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株式会社浅羽製作所
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Description

本発明は、電話線等の屋外通信線を引き込む際の引き留めに用いる、通信線用引き留め具に関する。   The present invention relates to a communication line retainer used for retaining an outdoor communication line such as a telephone line.

通信線用引き留め具はＵ字状環により電柱等に取付けて用いられ、その留め具本体に通信線の支持線（メッセンジャーワイヤー）を挿入できる口金（パイプ）と、ばね作用下におかれて支持線に噛み合う抜け止め用のつめが設けられている構造のものが従来より知られている。一方、通信線に縦添えされた支持線は被覆されており、この支持線が上記口金から留め具本体内に挿入されると、支持線の被覆部分がつめに噛み合って引き留めが果たされる仕組になっている。なお、つめは、留め具本体の直円錐台状の貫通孔に内接して摺動可能に設けられている、二つ割りのものが突き合わされた接合体の中心孔に形成されている。
意匠登録第７０８３９４号公報 The communication wire clamp is used by attaching it to a utility pole etc. with a U-shaped ring, and a cap (pipe) into which the communication wire support wire (messenger wire) can be inserted into the fastener body and supported under the spring action 2. Description of the Related Art Conventionally, a structure having a retaining claw that meshes with a wire is known. On the other hand, the support line vertically attached to the communication line is covered, and when this support line is inserted into the fastener body from the base, the covering part of the support line is engaged with the pawl so as to be retained. It has become. The pawl is formed in the center hole of the joined body, which is slidably provided so as to be inscribed in the right circular truncated conical through hole of the fastener body.
Design Registration No. 708394

上記従来の引き留め具は、支持線が被覆部分によりつめに噛み合うことで、支持線の引き留めが果たさているため、支持線が何らかの外力によって引っ張られるようになると、つめに噛み合わせた被覆を残したまま支持線だけが引き留め具より引き抜かれて、通信線の引き留めが解除されるという不具合の起こることは避けられず、その改善策が要望されていた。   In the above-mentioned conventional fastener, since the support wire is engaged with the claws by the covering portion, the support wire is retained, so when the support wire is pulled by some external force, the covering meshed with the claws is left. As a result, it is inevitable that only the support line is pulled out from the retainer and the communication line is released, and an improvement is desired.

本発明はこのような問題を解決したものであって、その目的は支持線を引き留め具に挿入する時に被覆が口金部位に留まり、支持線抜け止め用のつめには予め被覆が除去されている支持線の裸線部分が直接噛み合うようにして、支持線が引き抜かれないようにする一方、上記裸線部分を雨水の影響から可能な限り解放し、支持線の引き留めが不当に解除されないように改良した通信線用引き留め具を提供することにある。   The present invention solves such a problem, and its purpose is that the coating stays at the base portion when the support wire is inserted into the retainer, and the coating is previously removed from the support wire retaining claw. The bare wire portion of the support wire is directly meshed so that the support wire is not pulled out, while the bare wire portion is released as much as possible from the effects of rainwater so that the retention of the support wire is not unfairly released. An object of the present invention is to provide an improved retainer for a communication line.

上記目的を達成するために、本発明の特徴とする通信線用引き留め具は、留め具本体の貫通孔に内接して接合体が摺動可能に設けられ、接合体は、戻しばねに押圧されて、留め具本体に装着されている口金の内端部に当接しており、その接合体の中心孔には支持線と噛み合うことができるつめが形成されている通信線用引き留め具において、上記接合体の中心孔は被覆が除去されて挿通された支持線の裸線部分をつめと噛み合わせることができる口径に形成され、上記口金には内端部寄りに位置させて、プレス加工により形成された短い筒体を圧入して固着すると共に、この短い筒体には、上記支持線の被覆を受け止めることができる口径の縮小部が設けられている構成である。 In order to achieve the above-mentioned object, the communication wire retaining device, which is a feature of the present invention, is provided in such a manner that the joined body is slidably inscribed in the through hole of the fastener body, and the joined body is pressed by the return spring. In the communication line retainer, in which the inner end of the base mounted on the fastener body is in contact, and a pawl that can engage with the support line is formed in the center hole of the joined body. The center hole of the joined body is formed to have a diameter that allows the bare wire portion of the support wire inserted through the cover to be meshed with the pawl, and the die is positioned near the inner end and formed by pressing. The short cylinder is press-fitted and fixed, and the short cylinder is provided with a reduced-diameter portion capable of receiving the support wire.

本発明のこの構成において、支持線の被覆を受け止めることができる口径の縮小部はプレス加工により設けられているが、口金の外端部の口径を単に縮小して被覆を受け止めることができるように実施することも可能である。因みに、口金の外端部で被覆を受け止めるように実施した場合は、被覆が除去されている支持線の裸線部分は雨水に触れ易くなって、支持線への腐食防止機能は低下することがある。 In this configuration of the present invention, the reduced diameter portion capable of receiving the coating of the support wire is provided by pressing, but the diameter of the outer end portion of the base can be simply reduced to receive the coating. It is also possible to implement. By the way, when it is carried out so as to receive the coating at the outer end of the base, the bare wire portion of the support wire from which the coating has been removed becomes easy to touch rainwater, and the corrosion prevention function to the support wire may be reduced. is there.

本発明に係る通信線用引き留め具によれば、支持線は裸線部分が抜け止め用のつめ側に挿入される一方、被覆の先端部は口径の縮小部に受け止められるため、つめには裸線部分が直接噛み合って掛け止められ、支持線の引き留め状態は強固に安定して、支持線の引き抜きを阻止できる。また、支持線の被覆の先端部側は口金内に留まるようになるので、支持線を挿入する口金外端部側から支持線の裸線部分への雨水による影響は解消され、破損の原因となる支持線の腐食も防止できる。 According to the communication wire retaining device of the present invention, the support wire is inserted into the retaining pawl side of the bare wire portion, while the tip end portion of the covering is received by the reduced diameter portion. The wire portions are directly meshed and latched, and the holding state of the support wire is firmly stable and can prevent the support wire from being pulled out. In addition, since the tip end side of the covering of the support wire stays in the base, the influence of rain water from the outer end side of the base into which the support wire is inserted to the bare wire portion of the support wire is eliminated, causing damage. It is possible to prevent corrosion of the supporting wire.

以下に、本発明に係る通信線用引き留め具を実施するための形態を図面を参照して説明する。図１と図２において、１は直円錐台状にくり貫かれた貫通孔２を有する留め具本体であって、この留め具本体１もほぼ直円錐台状である。貫通孔２には留め具本体１の基部１ａから戻しばね３、支持線ｗに噛み合う抜け止め用のつめ４及び被覆された支持線ｗを挿入できる口金５が順次当接した状態で設けられている。つめ４は後述するように接合体４１の中心孔４２を利用して設けられており、口金５は、内端部５ａ側の折り曲がった口縁を貫通孔２の先端部２ａ側の口縁に係止させて、つめ４とは同一中心軸線上に位置させて留め具本体１に装着されている。 EMBODIMENT OF THE INVENTION Below, the form for implementing the securing tool for communication lines which concerns on this invention is demonstrated with reference to drawings. 1 and 2, reference numeral 1 denotes a fastener body having a through-hole 2 cut out in a right truncated cone shape. The fastener body 1 is also substantially a right truncated cone shape. The through hole 2 is provided with a return spring 3 from the base 1 a of the fastener body 1, a retaining pin 4 that engages with the support wire w, and a base 5 that can insert the covered support wire w in contact with each other. Yes. As will be described later, the pawl 4 is provided by using a center hole 42 of the joined body 41, and the base 5 has a bent edge on the inner end 5 a side and an edge on the front end 2 a side of the through hole 2. The pawl 4 is mounted on the fastener main body 1 so as to be positioned on the same central axis.

前記口金５は、プレス加工により形成されたパイプ体であって、その内端部５ａ側に位置して支持線ｗの被覆を受け止めることができる口径の縮小部６が設けられており（図２参照）、この縮小部６は、口金５の内端部５ａ側に圧入して固着されている、プレス加工により形成された短い筒体の底部６ａに設けられている。６ｂはその窓穴であって、この筒体の口縁６ｃは口金５の内端部５ａの折り曲がった口縁に密着している。 The base 5 is a pipe body formed by press working, the reduction unit 6 located at the inner end portion 5a side bore which can receive the coating of the support wire w is provided that (Fig. 2 The reduction part 6 is provided on the bottom part 6a of a short cylindrical body formed by press working, which is press-fitted and fixed to the inner end part 5a side of the base 5. 6b is the window hole, and the rim 6c of this cylindrical body is in close contact with the bent rim of the inner end portion 5a of the base 5.

前記つめ４は、貫通孔２に内接して摺動可能である接合体４１の中心孔４２のほぼ全域にわたって設けられており、中心孔４２の口径はつめ４に支持線ｗの裸線部分ａを噛み合わせることができる寸法である。接合体４１は、貫通孔２に対応した形状のものを二つ割りして、これを突き合わせて構成されており、戻しばね３の押圧作用によって口金５の内端部５ａと当接している。なお、留め具本体１の基部１ａには鍔部が設けられており、この鍔部に本引き留め具の電柱への取り付けに用いるＵ字状環７の両端が取り付けられている。図中、８は貫通孔２の留め具本体１の基部１ａ側に装着した蓋体である。 The pawl 4 is substantially provided over the entire area, bare conductor portions a support wire w is the diameter of the central hole 42 in the pawl 4 of the central hole 42 of the joint body 41 inscribed in the through hole 2 is slidable Is a dimension capable of meshing. The joined body 41 is formed by splitting two parts corresponding to the shape of the through-hole 2 and abutting them, and is in contact with the inner end 5 a of the base 5 by the pressing action of the return spring 3. In addition, the base part 1a of the fastener main body 1 is provided with a collar part, and both ends of the U-shaped ring 7 used for attaching the main fastener to the utility pole are attached to the collar part. In the figure, 8 is a lid mounted on the base 1a side of the fastener body 1 of the through hole 2.

次に、本発明に関連する口金の他の実施形態について説明する。図３において、５′はダイカスト加工により形成されたるパイプ状の口金であって、この口金５′の内端部５ａ′側には支持線ｗの被覆を受け止めることができる口径の縮小部６′が設けられている。縮小部６′は、口金５′の他の部分より肉厚くして、該口金５′と一体的に形成され、その肉厚部分の環状肩部６′ａは支持線ｗから被覆が除去された裸線部分ａだけの挿通部として機能しており、６′ｂはその窓穴である。この一体構成には、図示説明は省略するが、塩化ビニル樹脂等の合成樹脂による型物成形品として口金を構成する場合もある。 Next, another embodiment of the base related to the present invention will be described. In FIG. 3, reference numeral 5 'denotes a pipe-shaped base formed by die casting, and a diameter-reduced portion 6' capable of receiving the coating of the support wire w on the inner end 5a 'side of the base 5'. Is provided. The reduced portion 6 'is thicker than the other portion of the base 5' and is formed integrally with the base 5 ', and the covering of the annular shoulder 6'a of the thick portion is removed from the support line w. It functions as an insertion portion for only the bare wire portion a, and 6'b is the window hole. Although illustration illustration is abbreviate | omitted to this integral structure, a nozzle | cap | die may be comprised as a molded article molded article by synthetic resins, such as a vinyl chloride resin.

本発明に係る通信線用引き留め具は上記の構成であって、図４に示すように電柱にＵ字状環７を介して取り付けた後、支持線ｗの被覆が長さ１００ｍｍ程度除去されている先端部側の裸線部分を口金５から図１に示す縮小された口径部６を通してつめ４に挿入すると、裸線部分はつめ４と噛み合って支持線ｗの引き抜きを阻止できる一方、被覆は上記口径部６に受け止められてつめ４側への挿入が不可能となり、被覆がつめ４に噛み合うことはない。 The retainer for a communication line according to the present invention has the above-described configuration, and after being attached to the utility pole via the U-shaped ring 7 as shown in FIG. 4, the covering of the support line w is removed by about 100 mm in length. 1 is inserted into the pawl 4 from the base 5 through the reduced diameter portion 6 shown in FIG. 1, the bare wire portion can be engaged with the pawl 4 to prevent the support wire w from being pulled out. Since it is received by the caliber 6 and cannot be inserted into the pawl 4, the covering does not engage with the pawl 4.

本発明に係る通信線用引き留め具の実施例の一形態を一部省略して示す正断面図である。It is a front sectional view showing a form of an embodiment of a communication wire retaining device according to the present invention with a part thereof omitted. 図１に示されている口金の拡大正断面図である。FIG. 2 is an enlarged front sectional view of the base shown in FIG. 1. 図２の口金の他の形態を示す正断面図である。It is a front sectional view showing other forms of a mouthpiece of FIG. 本発明に係る通信線用引き留め具の使用状態を概略的に示す正面図である。It is a front view which shows roughly the use condition of the securing tool for communication lines which concerns on this invention.

１は留め具本体
２は貫通孔
３は戻しばね
４はつめ
５は口金
５ａは内端部
６は口径の縮小部
６ｂは窓孔
４１は接合体
４２は中心孔
ａは裸線部分
ｗは支持線 Reference numeral 1 denotes a fastener body 2, a through hole 3, a return spring 4, a pawl 5, a base 5 a, an inner end portion 6, a reduced diameter portion 6 b, a window hole 41, a joined body 42, a center hole a and a bare wire portion w. line

Claims (1)

留め具本体の貫通孔に内接して接合体が摺動可能に設けられ、接合体は、戻しばねに押圧されて、留め具本体に装着されている口金の内端部に当接しており、その接合体の中心孔には支持線と噛み合うことができるつめが設けられている通信線用引き留め具において、
上記接合体の中心孔は被覆が除去されて挿通された支持線の裸線部分をつめと噛み合わせることができる口径に形成され、上記口金には内端部寄りに位置させて、プレス加工により形成された短い筒体を圧入して固着すると共に、この短い筒体には、上記支持線の被覆を受け止めることができる口径の縮小部が設けられていることを特徴とする通信線用引き留め具。 The joined body is slidably provided in contact with the through hole of the fastener body, the joined body is pressed by the return spring, and is in contact with the inner end of the base attached to the fastener body, In the communication line retainer provided with a pawl that can mesh with the support line in the center hole of the joined body,
The center hole of the joined body is formed to have a diameter that allows the bare wire portion of the support wire inserted through the cover to be meshed with the pawl, and is positioned closer to the inner end of the mouthpiece by pressing. The formed short cylinder is press-fitted and fixed, and the short cylinder is provided with a reduced-diameter portion capable of receiving the covering of the support wire. .
JP2005058160A 2005-02-02 2005-02-02 Retention tool for communication line Active JP4711329B2 (en)

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JP4711329B2 true JP4711329B2 (en) 2011-06-29

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6014623U (en) * 1983-07-05 1985-01-31 株式会社　浅羽製作所 Plug-in wire retaining device
JPH0321928U (en) * 1989-07-14 1991-03-06
JP2006180616A (en) * 2004-12-22 2006-07-06 Hakusan Mfg Co Ltd Communication cable anchoring tool

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6014623U (en) * 1983-07-05 1985-01-31 株式会社　浅羽製作所 Plug-in wire retaining device
JPH0321928U (en) * 1989-07-14 1991-03-06
JP2006180616A (en) * 2004-12-22 2006-07-06 Hakusan Mfg Co Ltd Communication cable anchoring tool

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