JP3157125B2 - Branch cover and branch connection for low-voltage wires - Google Patents
Branch cover and branch connection for low-voltage wiresInfo
- Publication number
- JP3157125B2 JP3157125B2 JP19870197A JP19870197A JP3157125B2 JP 3157125 B2 JP3157125 B2 JP 3157125B2 JP 19870197 A JP19870197 A JP 19870197A JP 19870197 A JP19870197 A JP 19870197A JP 3157125 B2 JP3157125 B2 JP 3157125B2
- Authority
- JP
- Japan
- Prior art keywords
- branch
- cable
- cover
- insulating sheet
- adhesive layer
- 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
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- Cable Accessories (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は低圧電線（電力ケー
ブル）の分岐接続を行うための分岐カバーおよび該分岐
カバーを使用した低圧電線の分岐接続部に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a branch cover for branching and connecting a low-voltage line (power cable) and a low-voltage line branch connection using the branch cover.
【０００２】[0002]
【従来の技術】電力ケーブルの分岐接続部を組み立てる
には、通常、幹線ケーブルの途中でケーブルシース、絶
縁体を段剥ぎしてケーブル導体を露出させるとともに、
分岐ケーブルの先端を上記と同様に段剥ぎしてケーブル
導体を露出させ、ケーブル導体同士を接続金具等で接続
し、上記ケーブル導体接続部分上にテープ巻きをして絶
縁・防水層を形成したり、あるいは、上記ケーブル導体
接続部分上に分岐スリーブを被せ、分岐スリーブの端部
とケーブル絶縁体に跨がって防水テープを巻いて防水層
を形成する方法が用いられる。上記方法は防水性が劣っ
たりあるいは作業性が悪いという欠点がある。そこで、
本発明者らは、先に図７（ａ）（ｂ）に示す分岐カバー
１を用いた分岐接続部を提案した（実公昭５３−５２０
６０号公報）。2. Description of the Related Art In order to assemble a branch connection portion of a power cable, usually, a cable sheath and an insulator are stripped in the middle of a trunk cable to expose a cable conductor, and
Strip the end of the branch cable in the same manner as above to expose the cable conductors, connect the cable conductors with each other with connection fittings, etc., and tape-wrap the cable conductor connection part to form an insulating / waterproof layer. Alternatively, a method is used in which a branch sleeve is put on the cable conductor connection portion, and a waterproof tape is wound over the end of the branch sleeve and the cable insulator to form a waterproof layer. The above method has a disadvantage that the waterproofness is poor or the workability is poor. Therefore,
The present inventors have previously proposed a branch connecting portion using the branch cover 1 shown in FIGS. 7A and 7B (Japanese Utility Model Publication No. 53-520).
No. 60).
【０００３】図７（ａ）（ｂ）において、１は分岐カバ
ーであり、分岐カバー１は可撓性がある絶縁シート１ａ
から形成されており、その一部に筒状の分岐線引出し部
１ｂが設けられており、上記分岐線引出し部１ｂの穴は
絶縁シート１ａを貫通している。図８は上記分岐カバー
を用いた分岐接続部の構成を示す図であり、図８に示す
分岐接続部は次のように形成される。 （１）幹線ケーブル２の途中でケーブルシース２ｂ、絶
縁体２ｃを段剥ぎしてケーブル導体２ａを露出させる。
また、分岐ケーブル３の先端を上記と同様に段剥ぎして
ケーブル導体３ａを露出させる。 （２）分岐カバー１の分岐線引出し部１ｂに分岐ケーブ
ル３を挿入し、接続金具４でケーブル導体２ａと導体３
ａを圧縮接続する。 （３）分岐カバー１の絶縁シート１ａを幹線ケーブル２
の外周に巻き付け、分岐カバー１と幹線ケーブル２およ
び分岐ケーブル３に跨がって防水テープ５ａ，５ｂを巻
いて防水処理層を形成する。In FIGS. 7A and 7B, reference numeral 1 denotes a branch cover, and the branch cover 1 is a flexible insulating sheet 1a.
And a cylindrical branch line lead portion 1b is provided in a part thereof, and the hole of the branch line lead portion 1b penetrates the insulating sheet 1a. FIG. 8 is a diagram showing a configuration of a branch connecting portion using the above-mentioned branch cover. The branch connecting portion shown in FIG. 8 is formed as follows. (1) The cable sheath 2b and the insulator 2c are stripped off in the middle of the trunk cable 2 to expose the cable conductor 2a.
Also, the tip of the branch cable 3 is stripped off in the same manner as described above to expose the cable conductor 3a. (2) Insert the branch cable 3 into the branch line lead-out portion 1b of the branch cover 1 and connect the cable conductor 2a and the conductor 3 with the connection fitting 4.
a is compression-connected. (3) Connect the insulation sheet 1a of the branch cover 1 to the trunk cable 2
And the waterproof tapes 5a and 5b are wound over the branch cover 1, the trunk cable 2 and the branch cable 3 to form a waterproof treatment layer.
【０００４】[0004]
【発明が解決しようとする課題】図７に示した分岐カバ
ーを使用した絶縁接続部は、絶縁カバー１を被せたの
ち、防水処理のために分岐カバー１と幹線ケーブルとに
跨がって防水テープ５ａ，５ｂを巻き付け防水層を形成
する必要があった。幹線ケーブルと分岐線の上に分岐カ
バーを取り付け、仮固定することは容易である。しか
し、防水テープを巻き付けるときは、筒部が邪魔してお
り、その根本部分の合わせ目は、何重にもいろいろな方
向から巻くことにより防水せねばならなかった。また、
テープの防水は安定性に問題があり、一か所でもやぶれ
ると、大きな欠陥となる恐れがあった。また、作業時間
がかかるという問題もあった。本発明は上記した従来技
術の問題点を解決するためになされたものであって、そ
の目的とするところは、分岐カバーの幹線ケーブル取り
付け面側に粘着層を設けて上記防水テープ巻きを不必要
とすることにより、作業性を向上させることである。The insulated connecting portion using the branch cover shown in FIG. 7 is covered with the insulating cover 1 and then waterproofed over the branch cover 1 and the trunk cable for waterproofing. It was necessary to wind the tapes 5a and 5b to form a waterproof layer. It is easy to attach the branch cover on the trunk cable and the branch line and temporarily fix them. However, when the waterproof tape was wrapped, the cylindrical portion was in the way, and the joint at the root had to be waterproofed by winding it from multiple directions. Also,
Waterproofing of the tape had a problem in stability, and if it was broken at any one place, it could be a serious defect. There is also a problem that it takes a long time to work. The present invention has been made in order to solve the above-mentioned problems of the prior art, and an object of the present invention is to provide an adhesive layer on the side of the branch cover on which the trunk cable is attached so that the waterproof tape winding is unnecessary. By doing so, the workability is to be improved.
【０００５】[0005]
【課題を解決するための手段】本発明においては、上記
課題を次のように解決する。 （１）幹線ケーブルと分岐ケーブルを分岐接続するため
に使用される低電圧用分岐カバーを、次のように構成す
る。ゴム弾性を有する可撓性のある絶縁シートの一部に
一体に水密接続された筒部を設け、絶縁シートの筒部の
裏面側の上記筒部貫通穴を除いた全面に粘着層が設け、
粘着層の表面に取り外し可能なセパレータを貼り付け
る。 （２）上記（１）の分岐カバーを用い、次のようにして
幹線ケーブルに分岐ケーブルを分岐接続し、分岐接続部
を組み立てる。幹線ケーブルおよび分岐ケーブルを所定
の寸法に段剥ぎしてケーブル導体を露出させ、上記
（１）の分岐カバーの筒部に分岐ケーブルを挿入し、幹
線ケーブルのケーブル導体と分岐ケーブルのケーブル導
体とを接続する。ついで、上記（１）の分岐カバーのセ
パレータを剥がし、分岐カバーの絶縁シートを上記幹線
ケーブルの上記導体接続部およびその両側の幹線ケーブ
ルの外周に巻き付け、上記粘着層により絶縁シートを上
記幹線ケーブルに貼り付け、また絶縁シート同士も粘着
層により貼り付け、さらに、上記筒部と分岐ケーブルに
跨がって防水処理層を設ける。According to the present invention, the above-mentioned problems are solved as follows. (1) A low-voltage branch cover used to branch-connect a trunk cable and a branch cable is configured as follows. A tubular portion integrally water-tightly connected to a part of a flexible insulating sheet having rubber elasticity is provided, and an adhesive layer is provided on the entire surface except for the tubular portion through hole on the back surface side of the tubular portion of the insulating sheet,
A removable separator is attached to the surface of the adhesive layer. (2) Using the branch cover of (1), the branch cable is branched and connected to the trunk cable as follows, and a branch connection part is assembled. The trunk cable and the branch cable are stripped to predetermined dimensions to expose the cable conductor, and the branch cable is inserted into the tubular portion of the branch cover in the above (1), and the cable conductor of the trunk cable and the cable conductor of the branch cable are separated. Connecting. Next, the separator of the branch cover of the above (1) is peeled off, and the insulating sheet of the branch cover is wound around the conductor connection portion of the trunk cable and the outer periphery of the trunk cable on both sides thereof, and the insulating sheet is attached to the trunk cable by the adhesive layer. The insulating sheets are attached to each other with an adhesive layer, and a waterproofing layer is provided over the tubular portion and the branch cable.
【０００６】[0006]
【発明の実施の形態】図１は本発明の分岐カバーの一実
施例を示す図であり、同図（ｂ）は同図（ａ）のＡ−Ａ
断面図である。図１（ａ）（ｂ）において、１は分岐カ
バーであり、分岐カバー１はゴム弾性を有する可撓性の
ある絶縁シート１ａから構成され、絶縁シート１ａの一
部に一体に水密接続された筒状の分岐線引出し部１ｂが
設けられており、本実施例においては、上記分岐線引出
し部１ｂは絶縁シート１ａに対して斜めに取り付けられ
ている。上記筒状の分岐線引出し部１ｂの穴は上記シー
トを貫通しており、絶縁シート１ａの分岐線引出し部１
ｂの裏面側には、分岐線引出し部１ｂの穴の部分を除い
て全面に粘着層１ｃが設けられ、上記粘着層の表面に取
り外し可能なセパレータ１ｄが設けられている。FIG. 1 is a view showing one embodiment of a branch cover according to the present invention, and FIG. 1 (b) is a view taken on line AA of FIG. 1 (a).
It is sectional drawing. 1A and 1B, reference numeral 1 denotes a branch cover, and the branch cover 1 is made of a flexible insulating sheet 1a having rubber elasticity, and is integrally and water-tightly connected to a part of the insulating sheet 1a. A tubular branch line lead portion 1b is provided, and in the present embodiment, the branch line lead portion 1b is obliquely attached to the insulating sheet 1a. The hole of the tubular branch line lead portion 1b penetrates the sheet, and the branch line lead portion 1b of the insulating sheet 1a.
On the back side of b, an adhesive layer 1c is provided on the entire surface except for the hole of the branch line lead-out portion 1b, and a detachable separator 1d is provided on the surface of the adhesive layer.
【０００７】図２は本実施例の分岐カバーを使用した分
岐接続部の構成を示す図であり、図２に示す分岐接続部
は次のように組み立てられる。 （１）幹線ケーブル２の途中でケーブルシース、絶縁体
を段剥ぎしてケーブル導体２ａを露出させる。また、分
岐ケーブル３の先端を上記と同様に段剥ぎしてケーブル
導体３ａを露出させる。 （２）図１に示す分岐カバー１の分岐線引出し部１ｂに
分岐ケーブル３を挿入する。 （３）幹線ケーブル２のケーブル導体２ａと分岐ケーブ
ル３のケーブル導体３ａをＣ型コネクタ等の接続金具４
で圧縮接続する。FIG. 2 is a view showing the configuration of a branch connecting portion using the branch cover of this embodiment. The branch connecting portion shown in FIG. 2 is assembled as follows. (1) The cable sheath and the insulator are stripped off in the middle of the trunk cable 2 to expose the cable conductor 2a. Also, the tip of the branch cable 3 is stripped off in the same manner as described above to expose the cable conductor 3a. (2) Insert the branch cable 3 into the branch line lead-out portion 1b of the branch cover 1 shown in FIG. (3) Connect the cable conductor 2a of the trunk cable 2 and the cable conductor 3a of the branch cable 3 to a connection fitting 4 such as a C-type connector.
Connect with compression.
【０００８】（４）予め分岐ケーブルに挿入しておいた
分岐カバー１を接続金具４の取り付け位置まで戻し、絶
縁シート１ａに貼り付けてあるセパレータ１ｄを剥が
し、絶縁シート１ａを幹線ケーブル２に巻き付けカバー
同士を重ね合わせる。これにより、幹線ケーブル２と絶
縁シート１ａ及び絶縁シート１ａ同士が貼り付き、幹線
ケーブル２と分岐カバー１が一体となり、合わせ目が防
水され水密性および電気的性能が確保される。 （５）分岐ケーブル３と分岐線引出し部１ｂに掛けて防
水テープ等で防水処理層６を施し、分岐接続部の組み立
てを終了する。上記構造とすることにより、幹線ケーブ
ル２と分岐ケーブル３がなす又部の付近のカバーの合わ
せ目の防水を確実に行うことができる。また、幹線ケー
ブル２と分岐カバーに掛けて防水処理を行う必要がな
く、作業性を向上させることができる。(4) Return the branch cover 1 previously inserted into the branch cable to the position where the connection fitting 4 is attached, peel off the separator 1d attached to the insulating sheet 1a, and wind the insulating sheet 1a around the trunk cable 2. Lay the covers together. As a result, the trunk cable 2 and the insulating sheet 1a and the insulating sheet 1a are stuck together, the trunk cable 2 and the branch cover 1 are integrated, the joint is waterproofed, and watertightness and electrical performance are secured. (5) The waterproofing layer 6 is applied to the branch cable 3 and the branch line lead portion 1b with a waterproof tape or the like, and the assembling of the branch connection portion is completed. With the above structure, waterproofing of the joint of the cover in the vicinity of the junction between the trunk cable 2 and the branch cable 3 can be reliably performed. In addition, there is no need to hang the trunk cable 2 on the branch cover to perform a waterproofing process, thereby improving workability.
【０００９】上記実施例では、分岐カバー１として、分
岐線引出し部１ｂを絶縁シート１ａの対して斜めに設け
る場合について示したが、分岐カバーを以下の〜の
形状とすることもでき、要求される分岐接続構造に応じ
て分岐カバーを適宜選択することができる。なお、図３
〜図６において、（ｂ）は同図（ａ）のＡ−Ａ断面図を
示している。 図３に示すように、絶縁シート１ａに対して分岐線
引き出し部１ｂを垂直に配置し、分岐線引出し部１ｂの
裏面側の分岐線引出し部１ａの穴の部分を除いた全面に
粘着層１ｃを設け、その表面に取り外し可能なセパレー
タ１ｄを設ける。 図４に示すように、絶縁シート１ａに対して垂直に
取り付けた２つの分岐線引き出し部１ｂ，１ｂ’を設
け、上記と同様、粘着層１ｃを設け、その上にセパレー
タ１ｄを貼り付ける。In the above embodiment, the branch cover 1 is provided with the branch line lead-out portion 1b provided obliquely with respect to the insulating sheet 1a. However, the branch cover may have the following shapes. The branch cover can be appropriately selected according to the branch connection structure. Note that FIG.
6A to 6B are cross-sectional views taken along the line AA of FIG. As shown in FIG. 3, the branch line lead portion 1b is disposed vertically with respect to the insulating sheet 1a, and the adhesive layer 1c is formed on the entire surface except for the hole of the branch line lead portion 1a on the back side of the branch line lead portion 1b. And a detachable separator 1d is provided on the surface thereof. As shown in FIG. 4, two branch line lead-out portions 1b and 1b 'which are vertically attached to the insulating sheet 1a are provided, an adhesive layer 1c is provided as described above, and a separator 1d is attached thereon.
【００１０】 図５に示すように、絶縁シート１ａに
対して斜めに配置した２つの分岐線引出し部１ｂ，１
ｂ’を設け、分岐線引出し部１ｂ，１ｂ’の方向を異な
った方向に向け、上記と同様、粘着層１ｃを設け、その
上にセパレータ１ｄを貼り付ける。 図６に示すように、絶縁シート１ａに対して斜めに
配置した２つの分岐線引出し部１ｂ，１ｂ’を設け、分
岐線引出し部１ｂ，１ｂ’の方向を同方向に向け、上記
と同様、粘着層１ｃを設け、その上にセパレータ１ｄを
貼り付ける。As shown in FIG. 5, two branch line lead-out portions 1b, 1 arranged obliquely with respect to the insulating sheet 1a.
b 'is provided, and the direction of the branch line lead portions 1b, 1b' is directed in a different direction. As in the above, the adhesive layer 1c is provided, and the separator 1d is attached thereon. As shown in FIG. 6, two branch line lead portions 1b and 1b 'are provided obliquely with respect to the insulating sheet 1a, and the directions of the branch line lead portions 1b and 1b' are oriented in the same direction. An adhesive layer 1c is provided, and a separator 1d is attached thereon.
【００１１】[0011]
【発明の効果】以上説明したように、本発明において
は、分岐線引出し部を有する可撓性のある絶縁シートの
上記分岐線引出し部の裏面側に粘着層が設けられ、粘着
層の上にセパレータが貼り付けられた分岐カバーを用い
て、分岐接続部を組み立てるようにしたので、分岐カバ
ーの合わせ目には防水処理を施す必要がなく、分岐根本
付近の防水性がよくなる。さらに、テープを巻く部分が
分岐線引き出し部のみとなり、著しく作業性を向上させ
ることができる。As described above, in the present invention, the adhesive layer is provided on the back side of the branch line lead portion of the flexible insulating sheet having the branch line lead portion, and the adhesive layer is provided on the adhesive layer. Since the branch connection portion is assembled by using the branch cover to which the separator is attached, it is not necessary to perform a waterproof treatment at the joint of the branch covers, and the waterproof property near the branch root is improved. Further, the portion where the tape is wound is only the branch line lead-out portion, so that the workability can be remarkably improved.
【図１】本発明の分岐カバーの一実施例を示す図であ
る。FIG. 1 is a view showing one embodiment of a branch cover of the present invention.
【図２】図１の分岐カバーを使用して組み立てた分岐接
続部の構成を示す図である。FIG. 2 is a diagram showing a configuration of a branch connection unit assembled using the branch cover of FIG. 1;
【図３】分岐カバーの他の実施例を示す図である。FIG. 3 is a view showing another embodiment of the branch cover.
【図４】分岐カバーの他の実施例を示す図である。FIG. 4 is a view showing another embodiment of the branch cover.
【図５】分岐カバーの他の実施例を示す図である。FIG. 5 is a view showing another embodiment of the branch cover.
【図６】分岐カバーの他の実施例を示す図である。FIG. 6 is a view showing another embodiment of the branch cover.
【図７】従来の分岐カバーを示す図である。FIG. 7 is a view showing a conventional branch cover.
【図８】従来の分岐カバーを使用して組み立てた分岐接
続部の構成を示す図である。FIG. 8 is a diagram showing a configuration of a branch connection unit assembled using a conventional branch cover.
１ 分岐カバー １ａ 絶縁シート １ｂ 分岐線引出し部 １ｃ 粘着層 １ｄ セパレータ ２ 幹線ケーブル ２ａ ケーブル導体 ３ 分岐ケーブル ３ａ 分岐ケーブル導体 ４ 接続金具 ６ 防水処理層 DESCRIPTION OF SYMBOLS 1 Branch cover 1a Insulation sheet 1b Branch line lead-out part 1c Adhesive layer 1d Separator 2 Trunk cable 2a Cable conductor 3 Branch cable 3a Branch cable conductor 4 Connection metal 6 Waterproofing layer
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) H02G 15/08 ──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. 7 , DB name) H02G 15/08
Claims (2)
トの一部に一体に水密接続された筒部を備え、上記筒部
の穴が上記シートを貫通した低圧電線用分岐カバーであ
って、 上記絶縁シートの筒部の裏面側の上記筒部貫通穴を除い
た全面に粘着層が設けられ、上記粘着層の表面に取り外
し可能なセパレータが貼り付けられていることを特徴と
する低圧電線用分岐カバー。1. A low-voltage branch cover for a low-voltage wire, comprising a tubular portion integrally and water-tightly connected to a part of a flexible insulating sheet having rubber elasticity, wherein a hole in the tubular portion penetrates the sheet. An adhesive layer is provided on the entire surface of the insulating sheet excluding the cylindrical portion through hole on the back surface side of the cylindrical portion, and a removable separator is attached to the surface of the adhesive layer. For branch cover.
ブルのケーブル導体とを接続する導体接続部と、 可撓性のある絶縁シートと該絶縁シートの一部に一体に
水密接続された筒部を有し、上記筒部の穴が上記シート
を貫通しており、上記絶縁シートの筒部の裏面側の上記
筒部貫通穴を除いた全面に粘着層が設けられた分岐カバ
ーとを備え、 上記分岐カバーの絶縁シートは、上記幹線ケーブルの上
記導体接続部およびその両側の幹線ケーブルの外周に巻
き付けられ、上記粘着層により幹線ケーブルに貼り付け
られ、 上記分岐カバーの筒部は、上記分岐ケーブルの外周に嵌
められており、該筒部と分岐ケーブルに跨がって防水処
理層が設けられていることを特徴とする低圧電線用分岐
接続部。2. A conductor connecting portion for connecting a cable conductor of a trunk cable and a cable conductor of a branch cable, a flexible insulating sheet, and a tubular portion integrally watertightly connected to a part of the insulating sheet. And a branch cover in which the hole of the cylindrical portion penetrates the sheet, and an adhesive layer is provided on the entire surface of the insulating sheet except for the cylindrical portion through hole on the back surface side of the cylindrical portion of the insulating sheet; The insulating sheet of the cover is wound around the conductor connection portion of the trunk cable and the outer periphery of the trunk cable on both sides thereof, and is adhered to the trunk cable by the adhesive layer. Wherein a waterproof treatment layer is provided so as to straddle the tubular portion and the branch cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19870197A JP3157125B2 (en) | 1997-07-24 | 1997-07-24 | Branch cover and branch connection for low-voltage wires |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19870197A JP3157125B2 (en) | 1997-07-24 | 1997-07-24 | Branch cover and branch connection for low-voltage wires |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1146434A JPH1146434A (en) | 1999-02-16 |
| JP3157125B2 true JP3157125B2 (en) | 2001-04-16 |
Family
ID=16395597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19870197A Expired - Lifetime JP3157125B2 (en) | 1997-07-24 | 1997-07-24 | Branch cover and branch connection for low-voltage wires |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3157125B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103531369B (en) * | 2013-10-25 | 2016-04-27 | 珠海许继电气有限公司 | A kind of double loop goat's horn outlet terminal |
-
1997
- 1997-07-24 JP JP19870197A patent/JP3157125B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH1146434A (en) | 1999-02-16 |
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