JP3531800B2 - Cable retention device - Google Patents
Cable retention deviceInfo
- Publication number
- JP3531800B2 JP3531800B2 JP33710699A JP33710699A JP3531800B2 JP 3531800 B2 JP3531800 B2 JP 3531800B2 JP 33710699 A JP33710699 A JP 33710699A JP 33710699 A JP33710699 A JP 33710699A JP 3531800 B2 JP3531800 B2 JP 3531800B2
- Authority
- JP
- Japan
- Prior art keywords
- cable
- pedestal
- straddling
- edge
- notch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Light Guides In General And Applications Therefor (AREA)
- Installation Of Indoor Wiring (AREA)
Description
【発明の詳細な説明】
【０００１】
【発明の属する技術分野】本発明は、光ケーブルや電気
ケーブル等の外被を有するケーブルを、接続箱のケーブ
ル導入口などで引き留めるのに使用するケーブル引留装
置に関するものである。
【０００２】
【従来の技術】従来のこの種のケーブル引留装置を図４
に示す。図において、10は外被を有するケーブル、12は
ケーブル10を引き留める引留装置である。引留装置12
は、ケーブル10を載せる台座14と、この台座14上のケー
ブル10を押さえる押さえ金具16と、押さえ金具16を台座
14に向けて締め付けるボルト18とを備えている。
【０００３】台座14は接続箱のケーブル導入口などに予
め固定されている。押さえ金具16は、金属板を、ケーブ
ル軸線方向の中間部に台座14と対向する被締付け部20
が、両端側にケーブル跨がり部22ができるように折り曲
げたものである。被締付け部20とケーブル跨がり部22と
の折り曲げ角度は直角である。ケーブル跨がり部22には
ケーブル10が入る切欠き部24が形成されている。この切
欠き部24の形は、開口部側が平行な直線で、奥の方が半
円形となっている逆Ｕ字形である。
【０００４】この引留装置12でケーブル10を引き留める
ときは、ボルト18を弛めておいて、押さえ金具16の切欠
き部24と台座14によって形成される穴にケーブル10を挿
通した後、ボルト18を締め付けるだけで、簡単にケーブ
ル10を引き留めることができる。
【０００５】
【発明が解決しようとする課題】しかし従来のケーブル
引留装置には次のような問題がある。すなわち従来の引
留装置は、ボルト18の締付けにより押さえ金具16の切欠
き部24の縁がケーブル10の外被に直角に押し当る構造で
あるため、押さえ金具16のケーブル外被への食い込み量
はボルト締付け時に設定され、それ以降変化することが
ない。このためボルト締め付け時にケーブル外被への食
い込み量が不足すると、十分な引留力が得られず、信頼
性の点で問題がある。また押さえ金具16の切欠き部24は
奥部を除いて幅が一定であるため、ケーブル外径の変化
に対する融通性が低い。
【０００６】本発明の目的は、以上のような問題点に鑑
み、信頼性の高いケーブル引留を行うことができ、しか
もケーブル外径の変化に対する融通性も高いケーブル引
留装置を提供することにある。
【０００７】
【０００８】【課題を解決するための手段】この目的を達成するため
本発明のケーブル引留装置は、ケーブルを載せる台座
と、この台座上のケーブルを押さえ付ける押さえ金具
と、この押さえ金具を前記台座に向けて締め付ける締付
け部材とを備え、前記押さえ金具は、金属板を、ケーブ
ル軸線方向の中間部に前記台座と対向する被締付け部が
でき、両端側にケーブル跨がり部ができるように折り曲
げたものからなり、前記被締付け部とケーブル跨がり部
との折り曲げ角度は鈍角になっており、前記ケーブル跨
がり部にはケーブルが入る切欠き部が形成され、この切
欠き部は開口端側で幅が広く、奥へ行くほど幅が狭くな
るように略ハの字形になっており、前記締付け部材で押
さえ金具を締め付けたときに、ケーブル跨がり部の切欠
き部の縁がケーブル外被に斜めに押し当てられ、このた
めケーブルが軸線方向に移動しようとすると前記切欠き
部の縁がケーブル外被に斜めに食い込むようになってい
ることを特徴とするものである。
【０００９】
【００１０】
【発明の実施の形態】以下、本発明の実施形態を図面を
参照して詳細に説明する。〔実施形態１〕図１ないし図
３は本発明の一実施形態を示す。図において、10はケー
ブル、12はケーブル引留装置、14は台座、16は金属板を
ケーブル軸線方向の中間部に台座14と対向する被締付け
部20が、両端側にケーブル跨がり部22ができるように折
り曲げてなる押さえ金具、24はケーブル跨がり部22に形
成されたケーブル10の入る切欠き部、18は押さえ金具16
を台座14に向けて締め付けるボルトである。
【００１１】このケーブル引留装置12の特徴は、押さえ
金具16の被締付け部20とケーブル跨がり部22との折り曲
げ角度θ（図２（ｂ）参照）が鈍角になっていること
と、ケーブル跨がり部22に形成されたケーブル10の入る
切欠き部24が、図２（ａ）に示すように、開口端側で幅
が広く、奥へ行くほど（被締付け部20に近づくほど）幅
が狭くなるように略ハの字形になっていることである。
【００１２】このような構成にすると、ボルト18で押さ
え金具16を締め付けたときに、被締付け部20の前後で、
ケーブル跨がり部22の切欠き部24の縁がケーブル10の外
被に斜めに押し当てられることになる。その結果、ケー
ブル10が例えば図３（ｂ）の矢印Ｐ方向に引っ張られた
ときは、引張方向と反対側に位置するケーブル跨がり部
22の切欠き部24の縁がケーブル外被に圧痕Ｋのように斜
めに食い込むため、ケーブル10は引張力により切欠き部
24の奥の方へ入り込もうとし、より引き抜けにくくな
る。またケーブル10が矢印Ｐと反対方向に引っ張られた
とき（又は押し込まれたとき）は、上記と反対側のケー
ブル跨がり部22の切欠き部24の縁が同様に作用し、引き
抜けを防止する。したがって信頼性の高いケーブル引留
状態を得ることができる。
【００１３】またこの引留装置は、ケーブル跨がり部22
の切欠き部24が略ハの字形に形成されているため、種々
の外径のケーブルを引き留めることが可能であり、ケー
ブル外径の変化に対する融通性が高い。
【００１４】
【００１５】
【００１６】
【発明の効果】以上説明したように本発明によれば、押
さえ金具のケーブル外被に押し当てられる部分が、ケー
ブル軸線に対して斜めに形成され、ケーブルが軸線方向
に移動しようとするとケーブル外被に食い込むようにな
っているため、ケーブルをより確実に引き留めることが
でき、ケーブル引留装置としての信頼性を高めることが
できる。また押さえ金具のケーブル外被に押し当てられ
る部分を略ハの字状にすることにより、種々の外径のケ
ーブルを引き留めることが可能であり、ケーブル外径の
変化に対する融通性が高い。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cable retaining device used for retaining a cable having a jacket such as an optical cable or an electric cable at a cable inlet of a connection box. It is about. FIG. 4 shows a conventional cable drawing apparatus of this type.
Shown in In the figure, 10 is a cable having a jacket, and 12 is a drawing device for holding the cable 10. Drawing device 12
The pedestal 14 on which the cable 10 is placed, the pressing metal 16 that holds the cable 10 on the pedestal 14, and the holding metal 16
And a bolt 18 that is tightened toward 14. The pedestal 14 is fixed in advance to the cable inlet of the connection box. The presser bracket 16 has a metal plate and a tightened portion 20 facing the pedestal 14 in the middle in the cable axis direction.
However, it is bent so that the cable straddling portion 22 is formed on both ends. The bending angle between the tightened portion 20 and the cable straddling portion 22 is a right angle. The cable straddling portion 22 is formed with a notch portion 24 into which the cable 10 is inserted. The shape of the notch 24 is an inverted U shape in which the opening side is a straight line parallel to the opening and the back is a semicircle. [0004] When the cable 10 is to be held by the drawing device 12, the bolt 18 is loosened, and after the cable 10 is inserted into the hole formed by the notch 24 and the base 14 of the presser bracket 16, the bolt 18 The cable 10 can be easily fastened by simply tightening. [0005] However, the conventional cable drawing apparatus has the following problems. That is, the conventional drawing device has a structure in which the edge of the notch 24 of the presser fitting 16 presses at right angles to the outer cover of the cable 10 by tightening the bolt 18, so that the amount of biting of the presser fitting 16 into the cable outer cover is It is set at the time of bolt tightening and does not change after that. For this reason, if the amount of biting into the cable jacket is insufficient at the time of bolt tightening, a sufficient retaining force cannot be obtained, and there is a problem in terms of reliability. Further, since the cutout portion 24 of the presser fitting 16 has a constant width except for the back portion, the flexibility with respect to changes in the cable outer diameter is low. In view of the above problems, an object of the present invention is to provide a cable retaining device that can perform highly reliable cable retaining and has high flexibility with respect to changes in the outer diameter of the cable. . In order to achieve this object, a cable tensioning device of the present invention comprises a pedestal on which a cable is placed, and a pressing metal fitting for pressing the cable on the pedestal. A fastening member for fastening the presser fitting toward the pedestal, and the presser fitting includes a metal plate, and a clamped part facing the pedestal at an intermediate part in the cable axial direction.
Can consist formed by bending so as to be cable extending over rising portion at both ends, the bending angle between the clamping part and the cable straddling rising portion is obtuse, switching the cable enters the said cable extending over rising portion A notch is formed.
The notch is wide at the opening end and narrows toward the back, and is pressed by the tightening member.
When the even bracket is tightened,
The edge of the cable is pressed diagonally against the cable jacket,
When the cable is about to move in the axial direction, the notch
The edge of the part bites into the cable jacket obliquely . DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. [Embodiment 1] FIGS. 1 to 3 show an embodiment of the present invention. In the figure, 10 is a cable, 12 is a cable retaining device, 14 is a pedestal, 16 is a metal plate with a clamped part 20 facing the pedestal 14 in the middle of the cable axial direction, and cable straddling parts 22 at both ends. The presser bracket that is bent in this way, 24 is a notch where the cable 10 is formed in the cable straddling portion 22, and 18 is the presser bracket 16.
Is a bolt that is tightened toward the base 14. The cable pulling device 12 is characterized in that the bending angle θ (see FIG. 2B) between the tightened portion 20 of the presser fitting 16 and the cable straddling portion 22 is an obtuse angle, and that the cable straddling device 12 As shown in FIG. 2 (a), the notch portion 24 into which the cable 10 formed in the burial portion 22 is wide at the opening end side, and the width increases toward the back (closer to the tightened portion 20). That is, it has a substantially square shape so that it becomes narrower. With this configuration, when the presser bracket 16 is tightened with the bolt 18, the front and rear of the tightened portion 20 are
The edge of the cutout portion 24 of the cable straddling portion 22 is obliquely pressed against the outer cover of the cable 10. As a result, when the cable 10 is pulled in the direction of the arrow P in FIG. 3B, for example, the cable straddling portion located on the opposite side of the pulling direction
Since the edge of the notch portion 24 of the 22 bites into the cable jacket obliquely like an indentation K, the cable 10 is notched by the tensile force.
It tries to get into the depths of 24, making it more difficult to pull out. When the cable 10 is pulled in the direction opposite to the arrow P (or pushed in), the edge of the notch 24 of the cable straddling portion 22 on the opposite side acts in the same manner to prevent pulling out. To do. Therefore, a highly reliable cable retention state can be obtained. In addition, this tensioning device has a cable straddling portion 22.
Since the notch 24 is formed in a substantially C shape, it is possible to hold cables of various outer diameters and has high flexibility with respect to changes in the cable outer diameter. As described above, according to the present invention, the portion of the presser fitting pressed against the cable jacket is formed obliquely with respect to the cable axis, and the cable is If the cable is moved in the axial direction, the cable jacket is bitten, so that the cable can be more reliably retained and the reliability as the cable retaining device can be improved. Further, by making the portion pressed against the cable jacket of the presser fitting into a substantially C shape, it is possible to hold cables of various outer diameters, and the flexibility with respect to changes in the cable outer diameter is high.
【図面の簡単な説明】
【図１】 本発明に係るケーブル引留装置の一実施形態
を示す斜視図。
【図２】 図１の引留装置における押さえ金具の、
（ａ）は正面図、（ｂ）は側面図、（ｃ）は底面図。
【図３】 （ａ）は図１の引留装置の正面図、（ｂ）は
同装置によって引き留められたケーブルに引張力がかか
ったときの状態を示す説明図。
【図４】 従来のケーブル引留装置を示す斜視図。
【符号の説明】
10：ケーブル
12：ケーブル引留装置
14：台座
16：押さえ金具
18：ボルト（締付け部材）
20：被締付け部
22：ケーブル跨がり部
24：切欠き部
26：ケーブル押し当て部BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of a cable drawing device according to the present invention. [Fig. 2] Fig. 2 is a view showing a retainer of the drawing apparatus of Fig. 1.
(A) is a front view, (b) is a side view, and (c) is a bottom view. 3A is a front view of the drawing apparatus of FIG. 1, and FIG. 3B is an explanatory view showing a state when a tensile force is applied to the cable held by the apparatus. FIG. 4 is a perspective view showing a conventional cable drawing device. [Explanation of symbols] 10: Cable 12: Cable retaining device 14: Base 16: Holding bracket 18: Bolt (clamping member) 20: Tightened part 22: Cable straddling part 24: Notch part 26: Cable pressing part
───────────────────────────────────────────────────── フロントページの続き (72)発明者 村山 稔 東京都千代田区大手町二丁目３番１号 日本電信電話株式会社内 (72)発明者 新福 正明 東京都千代田区大手町二丁目３番１号 日本電信電話株式会社内 (56)参考文献 特開 平11−127528（ＪＰ，Ａ) 特開 平３−34600（ＪＰ，Ａ) 特開 平８−4949（ＪＰ，Ａ) 特開 平11−40956（ＪＰ，Ａ) 実開 昭63−155683（ＪＰ，Ｕ) 実開 昭60−136187（ＪＰ，Ｕ) 実開 平１−142163（ＪＰ，Ｕ) 実開 昭61−162225（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) H02G 3/30 G02B 6/00 ──────────────────────────────────────────────────── ─── Continuation of Front Page (72) Inventor Satoshi Murayama 3-1, Otemachi, Chiyoda-ku, Tokyo 3-1, Nippon Telegraph and Telephone Corporation (72) Inventor Masaaki Shinfuku 2-chome, Otemachi, Chiyoda-ku, Tokyo No. 1 NIPPON TELEGRAPH AND TELEPHONE CORPORATION (56) References JP-A-11-127528 (JP, A) JP-A-3-34600 (JP, A) JP-A-8-4949 (JP, A) JP-A-11 -40956 (JP, A) Shokai 63-155683 (JP, U) Shokai Sho 60-136187 (JP, U) Kokai Hei 1-142163 (JP, U) Shokai Sho 61-162225 (JP, U ) (58) Surveyed field (Int.Cl. 7 , DB name) H02G 3/30 G02B 6/00
Claims (1)
ーブルを押さえ付ける押さえ金具と、この押さえ金具を
前記台座に向けて締め付ける締付け部材とを備え、 前記押さえ金具は、金属板を、ケーブル軸線方向の中間
部に前記台座と対向する被締付け部ができ、両端側にケ
ーブル跨がり部ができるように折り曲げたものからな
り、 前記被締付け部とケーブル跨がり部との折り曲げ角度は
鈍角になっており、前記ケーブル跨がり部にはケーブル
が入る切欠き部が形成され、この切欠き部は開口端側で
幅が広く、奥へ行くほど幅が狭くなるように略ハの字形
になっており、 前記締付け部材で押さえ金具を締め付けたときに、ケー
ブル跨がり部の切欠き部の縁がケーブル外被に斜めに押
し当てられ、このためケーブルが軸線方向に移動しよう
とすると前記切欠き部の縁がケーブル外被に斜めに食い
込むようになって いることを特徴とするケーブル引留装
置。(57) [Claims] [Claim 1] A pedestal on which a cable is placed, a pressing metal for pressing the cable on the pedestal, and a fastening member for tightening the pressing metal toward the pedestal, The metal fitting is formed by bending a metal plate so that a clamped portion facing the pedestal is formed in the middle portion in the cable axial direction, and a cable straddling portion is formed on both ends. the bending angle of the parts have become <br/> obtuse, said cable extending over rising in part cable
Is formed cutout portion enters, the width in this cutout portion opening end side is wide, has become upward toward the inner edge 26b thereof in shape so that the width toward the rear is narrowed, tightened fitting pressed by the clamping member When
Pull the edge of the notch in the cable straddling section diagonally against the cable jacket.
So that the cable will move in the axial direction
Then, the edge of the cutout bite diagonally into the cable jacket
A cable retaining device characterized in that it is designed to be inserted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33710699A JP3531800B2 (en) | 1999-11-29 | 1999-11-29 | Cable retention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33710699A JP3531800B2 (en) | 1999-11-29 | 1999-11-29 | Cable retention device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001157345A JP2001157345A (en) | 2001-06-08 |
| JP3531800B2 true JP3531800B2 (en) | 2004-05-31 |
Family
ID=18305500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33710699A Expired - Lifetime JP3531800B2 (en) | 1999-11-29 | 1999-11-29 | Cable retention device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3531800B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4787714B2 (en) * | 2006-10-11 | 2011-10-05 | 日本通信電材株式会社 | Optical cable closure |
| JP5438537B2 (en) * | 2009-02-24 | 2014-03-12 | 山洋電気株式会社 | Electrical equipment |
| WO2011102525A1 (en) * | 2010-02-22 | 2011-08-25 | 株式会社フジクラ | Tape core holding part, tape core holding method, optical fiber tape core bundle, and holding part fixture |
-
1999
- 1999-11-29 JP JP33710699A patent/JP3531800B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001157345A (en) | 2001-06-08 |
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