JP3307432B2 - Insulation lid for power cable branch - Google Patents
Insulation lid for power cable branchInfo
- Publication number
- JP3307432B2 JP3307432B2 JP25628892A JP25628892A JP3307432B2 JP 3307432 B2 JP3307432 B2 JP 3307432B2 JP 25628892 A JP25628892 A JP 25628892A JP 25628892 A JP25628892 A JP 25628892A JP 3307432 B2 JP3307432 B2 JP 3307432B2
- Authority
- JP
- Japan
- Prior art keywords
- branch
- conductive layer
- power cable
- main body
- elastic member
- 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 - Fee Related
Links
Landscapes
- Cable Accessories (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、ゴムもしくはプラスチ
ックで絶縁された電力ケーブル分岐部の絶縁蓋に関し、
特に、本発明は高電圧のビル用ハーネス・ケーブルのプ
ラグイン型分岐部の絶縁蓋に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an insulating cover for a power cable branch section insulated with rubber or plastic.
In particular, the present invention relates to an insulating lid for a plug-in type branch of a high voltage building harness cable.
【０００２】[0002]
【従来の技術】近年、高電圧のビル用ハーネス・ケーブ
ルの分岐部として、プラグイン型分岐部が使用されるよ
うになってきている。図２は上記したプラグイン型分岐
部の構成を示す図であり、同図において、１は分岐部本
体、２はスペーサ、３は熱収縮チューブ、４は分岐導体
を接続するための分岐スリーブ、５はメス接触子導体、
５’はそのチューリップ・コンタクト、６は分岐接続部
であるＬ型接続部本体、７はスペーサ、８は熱収縮チュ
ーブ、９は分岐電力ケーブルの導体を接続するための圧
縮端子、１０はＬ型接続部本体６のオス接触子、１１は
Ｌ型接続部本体６を固定するためのフランジ、１２は外
部導電層、１３は内部導電層、１４は幹線電力ケーブ
ル、１５は分岐線電力ケーブルである。2. Description of the Related Art In recent years, plug-in type branch portions have been used as branch portions of high-voltage building harness cables. FIG. 2 is a view showing the configuration of the above-described plug-in type branch portion, in which 1 is a branch portion main body, 2 is a spacer, 3 is a heat-shrinkable tube, 4 is a branch sleeve for connecting a branch conductor, 5 is a female contact conductor,
5 'is the tulip contact, 6 is an L-shaped connection body as a branch connection, 7 is a spacer, 8 is a heat-shrinkable tube, 9 is a compression terminal for connecting a conductor of a branch power cable, and 10 is an L-shape. A male contact of the connecting portion main body 6, 11 is a flange for fixing the L-shaped connecting portion main body 6, 12 is an external conductive layer, 13 is an internal conductive layer, 14 is a main power cable, and 15 is a branch line power cable. .
【０００３】同図に示すように、プラグイン接続部は分
岐部本体１と分岐接続部を構成するプラグ側のＬ型接続
部本体６から構成されている。分岐部本体１において、
幹線電力ケーブル１４の導体には分岐スリーブ４が圧着
等の手段で取り付けられ、分岐スリーブ４にはチューリ
ップ・コンタクト５’を備えたメス接触子導体５が取り
付けられている。また、チューリップ・コンタクト５’
の周囲にはバネが設けられており、Ｌ型接続部本体６の
オス接触子を拘束接触できるように構成されている。As shown in FIG. 1, the plug-in connection portion is composed of a branch portion main body 1 and a plug-side L-shaped connection portion main body 6 constituting the branch connection portion. In the branch body 1,
A branch sleeve 4 is attached to the conductor of the main power cable 14 by means such as crimping, and a female contact conductor 5 having a tulip contact 5 'is attached to the branch sleeve 4. Also, tulip contact 5 '
A spring is provided in the periphery of the L-shaped connection portion main body 6 so that the male contact of the L-shaped connection portion main body 6 can be restrictedly contacted.
【０００４】Ｌ型接続部本体６において、分岐電力ケー
ブル１５の導体には圧縮端子９が接続されており、圧縮
端子９にはネジ等の手段によりオス接触子１０が接続さ
れている。Ｌ型接続部本体６の接続時、Ｌ型接続部本体
６はフランジ１１により分岐部本体１に固定され、Ｌ型
接続部本体６のオス接触子１０は分岐部本体１のチュー
リップ・コンタクト５’に挿入・接触され電気的に導通
する。In the L-shaped connection portion main body 6, a compression terminal 9 is connected to a conductor of the branch power cable 15, and a male contact 10 is connected to the compression terminal 9 by means such as a screw. When connecting the L-shaped connection portion main body 6, the L-shaped connection portion main body 6 is fixed to the branch portion main body 1 by the flange 11, and the male contact 10 of the L-shaped connection portion main body 6 is connected to the tulip contact 5 'of the branch portion main body 1. And is electrically connected to it.
【０００５】また、分岐部本体１とＬ型接続部本体６に
は、外部導電層１２と内部導電層１３が設けられてお
り、それぞれ、ケーブル・シース、充電部に電気的に接
続されている。ところで、上記したプラグイン型分岐部
において、Ｌ型接続部本体６が分岐部本体１に接続され
ていない状態では、分岐部本体１の接続部分が開放状態
となり、水分等が浸入したり、あるいは、充電部が露出
し危険であるとともに、電気的に不安定になる。An external conductive layer 12 and an internal conductive layer 13 are provided on the branch section main body 1 and the L-shaped connection section main body 6, respectively, and are electrically connected to a cable / sheath and a charging section, respectively. . By the way, in the above-described plug-in type branch portion, when the L-shaped connection portion main body 6 is not connected to the branch portion main body 1, the connection portion of the branch portion main body 1 is in an open state, and moisture or the like infiltrates, or As a result, the charged portion is exposed and dangerous, and becomes electrically unstable.
【０００６】このため、従来、Ｌ型接続部本体６が接続
されていない状態においては、分岐部本体１の開放部分
に図３に示す絶縁蓋を被せ、耐水性を保つとともに、電
気的に安定な状態を確保していた。図３は従来用いられ
ていた上記絶縁蓋を示す図であり、同図において、２０
は絶縁蓋本体、２１は外部導電層、２２は絶縁層、２３
は内部導電層、２４はオス接触子であり、外部導電層２
１，絶縁層２２，内部導電層２３はゴム等の弾性変形可
能な部材で形成されている。Conventionally, when the L-shaped connection portion main body 6 is not connected, the open portion of the branch portion main body 1 is covered with an insulating lid shown in FIG. 3 to maintain water resistance and to be electrically stable. State was secured. FIG. 3 is a view showing the insulating lid used conventionally, and in FIG.
Is an insulating lid body, 21 is an external conductive layer, 22 is an insulating layer, 23
Is an inner conductive layer, 24 is a male contact, and the outer conductive layer 2
1, the insulating layer 22, and the inner conductive layer 23 are formed of elastically deformable members such as rubber.
【０００７】内部導電層２３はオス接触子２４と電気的
に接続され、また、外部導電層２１は図２に示した分岐
部本体１に装着されたとき、分岐部本体１の外部導電層
と電気的に接続される。図３に示した絶縁蓋２０は、図
２の分岐部本体１にＬ型接続部本体６が接続されていな
いとき、分岐部本体１の開放部分に装着され、絶縁蓋２
０のオス接触子２４は分岐部本体１のチューリップ・コ
ンタクト５’と接触する。The inner conductive layer 23 is electrically connected to the male contact 24, and the outer conductive layer 21 is connected to the outer conductive layer of the branch body 1 when mounted on the branch body 1 shown in FIG. Electrically connected. The insulating lid 20 shown in FIG. 3 is attached to the open portion of the branch main body 1 when the L-shaped connection main body 6 is not connected to the branch main body 1 of FIG.
The zero male contact 24 contacts the tulip contact 5 ′ of the branch body 1.
【０００８】[0008]
【発明が解決しようとする課題】ところで、図３に示し
た絶縁蓋２０は、出荷時、高圧ハーネス・ケーブルの分
岐部本体１の全てに装着され、布設工事において上記絶
縁蓋２０が除去されて、Ｌ型接続部本体６がプラグイン
される。このため、布設後、上記絶縁蓋２０はほとんど
のものが不要となる。By the way, the insulating lid 20 shown in FIG. 3 is attached to the entire branch portion main body 1 of the high-voltage harness / cable at the time of shipment, and the insulating lid 20 is removed during the installation work. , L-shaped connection portion main body 6 is plugged in. Therefore, after the installation, almost no insulating lid 20 is required.
【０００９】しかるに、図３に示した従来の絶縁蓋は、
絶縁蓋とはいえ、オス接触子２４が設けられるなど、接
続部としての電気的仕様が満足されるように構成されて
おり、使用される期間が短期間であるにもかかわらず、
高価であり、経済性の悪いものであった。本発明は上記
した従来技術の問題点に鑑みなされたものであって、オ
ス接触子など高価な手段を用いず、簡便な手段により確
実に、絶縁蓋の内部導電層と分岐部本体のメス接触子導
体との接触を保つことができる経済性の良い電力ケーブ
ル分岐部の絶縁蓋を提供することを目的とする。[0009] However, the conventional insulating lid shown in FIG.
Although it is an insulating lid, it is configured so as to satisfy the electrical specifications as a connection part, such as the provision of the male contact 24, and although the period of use is short,
It was expensive and uneconomical. The present invention has been made in view of the above-described problems of the related art, and does not use an expensive means such as a male contact, and reliably uses an easy means to surely contact the inner conductive layer of the insulating lid with the female contact of the branch body. It is an object of the present invention to provide an insulated lid of a power cable branching portion which can maintain contact with a conductor and is economical.
【００１０】[0010]
【課題を解決するための手段】上記課題を解決するた
め、本発明の請求項１の発明は、内部導電層３３と、外
部導電層３１と、内部導電層３３と外部導電層３１間に
設けられた絶縁層３２とを備え、電力ケーブルのプラグ
イン型分岐接続部の分岐部本体１の外周に密着して装着
される電力ケーブル分岐部の絶縁蓋３０において、内部
導電層３３に導電性弾性部材３４を取り付け、導電性弾
性部材３４により、内部導電層３３と分岐部本体１のメ
ス接触子導体５とを電気的に接続したものである。In order to solve the above-mentioned problems, the present invention according to claim 1 of the present invention provides an internal conductive layer 33, an external conductive layer 31, and a structure provided between the internal conductive layer 33 and the external conductive layer 31. The insulating cover 32 of the power cable branch portion, which is provided in close contact with the outer periphery of the branch portion body 1 of the plug-in type branch connection portion of the power cable. A member 34 is attached, and the internal conductive layer 33 and the female contact conductor 5 of the branch portion main body 1 are electrically connected by the conductive elastic member 34.
【００１１】本発明の請求項２の発明は、請求項１の発
明において、導電性弾性部材３４をスプリング・バネで
構成したものである。本発明の請求項３の発明は、請求
項１の発明において、導電性弾性部材３４を板バネで構
成したものである。本発明の請求項４の発明は、請求項
１の発明において、導電性弾性部材３４を絶縁蓋を構成
する弾性部材より軟らかい導電性ゴムで形成したもので
ある。According to a second aspect of the present invention, in the first aspect, the conductive elastic member 34 is formed of a spring. According to a third aspect of the present invention, in the first aspect, the conductive elastic member 34 is constituted by a leaf spring. According to a fourth aspect of the present invention, in the first aspect, the conductive elastic member is formed of conductive rubber softer than the elastic member constituting the insulating lid.
【００１２】[0012]
【作用】本発明の請求項１ないし請求項４の発明におい
ては、絶縁蓋３０の内部導電層３３に、スプリング・バ
ネ、板バネ、もしくは、絶縁蓋を構成する弾性部材より
軟らかい導電性ゴム等で形成された導電性弾性部材３４
を取り付け、導電性弾性部材３４により、内部導電層３
３と分岐部本体１のメス接触子導体５とを電気的に接続
したので、絶縁蓋３０の内部導電層３３とメス接触子導
体５との電気的接触を確実に保つことができるととも
に、絶縁蓋３０に高価なオス接触子を設ける必要がな
く、絶縁蓋３０を安価に構成することができる。According to the first to fourth aspects of the present invention, the inner conductive layer 33 of the insulating cover 30 is provided with a spring, a leaf spring, or a conductive rubber softer than an elastic member constituting the insulating cover. Conductive elastic member 34 formed of
And the inner conductive layer 3 is formed by the conductive elastic member 34.
3 and the female contact conductor 5 of the branch portion main body 1 are electrically connected, so that the electrical contact between the internal conductive layer 33 of the insulating lid 30 and the female contact conductor 5 can be reliably maintained, and There is no need to provide expensive male contacts on the lid 30, and the insulating lid 30 can be configured at low cost.
【００１３】[0013]
【実施例】図１は本発明の１実施例を示す図であり、同
図において、１は、図２に示した分岐部本体であり、図
２に示したものと同一のものには同一の符号が付されて
おり、３は熱収縮チューブ、５はメス接触子導体、５’
はチューリップ・コンタクト、１１はフランジ、１２は
外部導電層、１３は内部導電層である。FIG. 1 is a view showing one embodiment of the present invention. In FIG. 1, reference numeral 1 denotes a branch portion main body shown in FIG. 2, which is the same as that shown in FIG. 3 is a heat-shrinkable tube, 5 is a female contact conductor, 5 ′
Is a tulip contact, 11 is a flange, 12 is an outer conductive layer, and 13 is an inner conductive layer.
【００１４】また、３０はゴム等の弾性部材で形成さ
れ、分岐部本体１の外周に密着して装着される略有底円
筒形状の絶縁蓋であり、３１は外部導電層、３２は絶縁
層、３３は内部導電層、３４は導電性部材から形成され
たスプリング・バネである。同図において、絶縁蓋３０
の内部導電層３３の内面中心部には突起部が設けられ、
突起部にはスプリング・バネ３４が装着されており、ス
プリング・バネ３４は、その外径が分岐部本体のチュー
リップ・コンタクト５’の内径より小さく形成されてい
る。Reference numeral 30 denotes a substantially cylindrical bottomed insulating lid which is formed of an elastic member such as rubber and is closely attached to the outer periphery of the branch portion main body 1, reference numeral 31 denotes an external conductive layer, and reference numeral 32 denotes an insulating layer. , 33 are internal conductive layers, and 34 is a spring formed from a conductive member. In FIG.
A projection is provided at the center of the inner surface of the internal conductive layer 33,
A spring spring 34 is mounted on the projection, and the spring spring 34 is formed to have an outer diameter smaller than the inner diameter of the tulip contact 5 'of the branch body.
【００１５】なお、本実施例においては、スプリング・
バネ３４としてステンレスで形成されたスパイラル径１
３ｍｍφ、コイル素線径が１．４ｍｍφのものを用い
た。また、スプリング・バネ３４の長さは、その伸長状
態で分岐部本体１の開放部深さより長く、絶縁蓋３０を
分岐部本体１へ装着し、フランジ１１により締めつけ固
定することにより、スプリング・バネ３４が収縮し、ス
プリング・バネ３４の他端は分岐部本体１のメス接触子
導体５と接触する。In this embodiment, the spring
Spiral diameter 1 made of stainless steel as spring 34
A coil having a diameter of 3 mm and a coil diameter of 1.4 mm was used. The length of the spring / spring 34 is longer than the depth of the open portion of the branch portion main body 1 in its extended state. The other end of the spring 34 comes into contact with the female contact conductor 5 of the branch portion main body 1.
【００１６】このため、絶縁蓋３０の装着時には、絶縁
蓋３０の内部導電層３３は上記スプリング・バネ３４を
介して分岐部本体の導体と電気的に接続され、また、絶
縁蓋３０の外部導電層３１は、分岐部本体１の外部導電
層１２と電気的に接触し、電気的に安定な状態が確保さ
れる。上記したように、本実施例においては、絶縁蓋３
０の内部導電層と分岐部本体の導体との電気的接触を確
保する手段としてスプリング・バネを用いているので、
従来例に示したように高価なオス接触子を用いる必要が
なく、絶縁蓋を安価に製造することができる。Therefore, when the insulating cover 30 is mounted, the inner conductive layer 33 of the insulating cover 30 is electrically connected to the conductor of the branch body via the spring / spring 34, The layer 31 is in electrical contact with the external conductive layer 12 of the branch portion main body 1, and an electrically stable state is ensured. As described above, in this embodiment, the insulating lid 3
Since a spring is used as a means for ensuring electrical contact between the internal conductive layer of the zero and the conductor of the branch portion main body,
As shown in the conventional example, it is not necessary to use an expensive male contact, and the insulating lid can be manufactured at low cost.
【００１７】なお、上記実施例においては、分岐部本体
１のメス接触子導体５と絶縁蓋３０の内部導体３３の接
触を確保する手段として、スプリング・バネ３４を用い
る例を示したが、スプリング・バネ３４に換え、例え
ば、次の手段を用いることもできる。 板バネの一方端を絶縁蓋３０の内部導電層３３に取
り付け、他端を例えばＵ字状に形成して、分岐部本体１
のメス接触子導体５と接触させる。 絶縁蓋３０を形成するゴムより軟らかい導電性ゴム
等を内部導電層３３に取り付け、上記導電性ゴム等の他
端を分岐部本体１のメス接触子導体５と接触させる。In the above embodiment, an example is shown in which a spring 34 is used as means for ensuring contact between the female contact conductor 5 of the branch portion main body 1 and the internal conductor 33 of the insulating cover 30. -Instead of the spring 34, for example, the following means can be used. One end of the leaf spring is attached to the inner conductive layer 33 of the insulating lid 30, and the other end is formed in, for example, a U-shape.
With the female contact conductor 5 of FIG. A conductive rubber softer than the rubber forming the insulating lid 30 is attached to the inner conductive layer 33, and the other end of the conductive rubber or the like is brought into contact with the female contact conductor 5 of the branch portion main body 1.
【００１８】また、上記導電性弾性部材の形状は、ジク
ザク状に形成したバネを用いるなど、その他、周知な任
意の形状とすることができる。The shape of the conductive elastic member can be any other known shape, such as using a zigzag spring.
【００１９】[0019]
【発明の効果】以上説明したことから明らかなように、
本発明においては、絶縁蓋の内部導電層に、スプリング
・バネ、板バネ、もしくは、絶縁蓋を構成する弾性部材
より軟らかい導電性ゴム等で形成された導電性弾性部材
を取り付け、導電性弾性部材により、内部導電層と分岐
部本体のメス接触子導体とを電気的に接続したので、分
岐部本体のメス接触子の挿入深さに大きく関係せずに、
絶縁蓋の内部導電層とメス接触子導体との電気的接触を
確実に保つことができる。As is apparent from the above description,
In the present invention, a conductive elastic member formed of a spring, a leaf spring, or a conductive rubber softer than the elastic member constituting the insulating lid is attached to the inner conductive layer of the insulating lid, Thereby, since the internal conductive layer and the female contact conductor of the branch part main body were electrically connected, regardless of the insertion depth of the female contact of the branch part main body,
Electrical contact between the internal conductive layer of the insulating lid and the female contact conductor can be reliably maintained.
【００２０】また、絶縁蓋に高価なオス接触子を設ける
必要がなく、絶縁蓋３０を安価に構成することができ
る。Further, there is no need to provide an expensive male contact on the insulating cover, and the insulating cover 30 can be constructed at a low cost.
【図１】本発明の実施例を示す図である。FIG. 1 is a diagram showing an embodiment of the present invention.
【図２】本発明が適用されるプラグイン型分岐部の構成
を示す図である。FIG. 2 is a diagram showing a configuration of a plug-in type branching unit to which the present invention is applied.
【図３】従来の絶縁蓋の構成を示す図である。FIG. 3 is a diagram showing a configuration of a conventional insulating lid.
１ 分岐部本体 ５ メス接触子導体 ５’ チューリップ・コンタクト １１ フランジ １２，３１ 外部導電層 １３，３３ 内部導電層 ３０ 絶縁蓋 ３２ 絶縁層 ３４ スプリング・バネ DESCRIPTION OF SYMBOLS 1 Branch part main body 5 Female contact conductor 5 'Tulip contact 11 Flange 12,31 External conductive layer 13,33 Internal conductive layer 30 Insulating lid 32 Insulating layer 34 Spring / spring
フロントページの続き (56)参考文献 実開 平２−83628（ＪＰ，Ｕ) 実開 昭52−69579（ＪＰ，Ｕ) 実開 昭55−121474（ＪＰ，Ｕ) 実開 平３−8813（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) H01R 4/70 H01R 4/58 H02G 15/08 Continued on the front page (56) References JP-A 2-83628 (JP, U) JP-A 52-69579 (JP, U) JP-A 55-121474 (JP, U) JP-A 3-8813 (JP, U) , U) (58) Fields investigated (Int. Cl. 7 , DB name) H01R 4/70 H01R 4/58 H02G 15/08
Claims (4)
内部導電層(33)と外部導電層(31)間に設けられた絶縁層
(32)とを備え、 電力ケーブルのプラグイン型分岐接続部の分岐部本体
(1) の外周に密着して装着される電力ケーブル分岐部の
絶縁蓋において、 内部導電層(33)に導電性弾性部材(34)を取り付け、導電
性弾性部材(34)により、内部導電層(33)と分岐部本体
(1) のメス接触子導体(5) とを電気的に接続することを
特徴とする電力ケーブル分岐部の絶縁蓋。An inner conductive layer (33), an outer conductive layer (31),
An insulating layer provided between the inner conductive layer (33) and the outer conductive layer (31)
(32), the branch body of the plug-in type branch connection part of the power cable
(1) At the insulating cover of the power cable branch portion which is attached in close contact with the outer periphery of (1), a conductive elastic member (34) is attached to the inner conductive layer (33), and the inner conductive layer is attached by the conductive elastic member (34). (33) and branch body
An insulating cover for a power cable branch section, wherein the insulating cover is electrically connected to the female contact conductor (5) of (1).
で構成されていることを特徴とする請求項１の電力ケー
ブル分岐部の絶縁蓋。2. The insulating cover of a power cable branch according to claim 1, wherein the conductive elastic member is constituted by a spring.
ていることを特徴とする請求項１の電力ケーブル分岐部
の絶縁蓋。3. The insulating cover of a power cable branch according to claim 1, wherein the conductive elastic member is formed of a leaf spring.
弾性部材より軟らかい導電性ゴムで形成されていること
を特徴とする請求項１の電力ケーブル分岐部の絶縁蓋。4. The insulating cover of a power cable branch according to claim 1, wherein the conductive elastic member is formed of conductive rubber softer than the elastic member constituting the insulating cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25628892A JP3307432B2 (en) | 1992-09-25 | 1992-09-25 | Insulation lid for power cable branch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25628892A JP3307432B2 (en) | 1992-09-25 | 1992-09-25 | Insulation lid for power cable branch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06111864A JPH06111864A (en) | 1994-04-22 |
| JP3307432B2 true JP3307432B2 (en) | 2002-07-24 |
Family
ID=17290576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25628892A Expired - Fee Related JP3307432B2 (en) | 1992-09-25 | 1992-09-25 | Insulation lid for power cable branch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3307432B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9444176B2 (en) | 2013-06-28 | 2016-09-13 | Thomas & Betts International, Llc | Electrical connector having cold shrink component |
-
1992
- 1992-09-25 JP JP25628892A patent/JP3307432B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06111864A (en) | 1994-04-22 |
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