JPH054726U - Rubber, plastic power cable connection - Google Patents
Rubber, plastic power cable connectionInfo
- Publication number
- JPH054726U JPH054726U JP5760391U JP5760391U JPH054726U JP H054726 U JPH054726 U JP H054726U JP 5760391 U JP5760391 U JP 5760391U JP 5760391 U JP5760391 U JP 5760391U JP H054726 U JPH054726 U JP H054726U
- Authority
- JP
- Japan
- Prior art keywords
- shield electrode
- conductor
- cover
- conductor cover
- rubber
- 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.)
- Granted
Links
- 239000004033 plastic Substances 0.000 title claims description 12
- 239000004020 conductor Substances 0.000 claims abstract description 43
- 239000012212 insulator Substances 0.000 claims abstract description 36
- 230000004323 axial length Effects 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 abstract description 17
- 230000005684 electric field Effects 0.000 abstract description 11
- 239000010410 layer Substances 0.000 description 27
- 238000009413 insulation Methods 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
Landscapes
- Cable Accessories (AREA)
Abstract
(57)【要約】
【目的】 導体接続部の外側に装着する補強絶縁体のシ
ールド電極の形状を改良することにより、局部的な高電
界強度等の従来の難点を解消し、接続部の小型化を可能
にする。
【構成】 導体接続部５上に被着した導体カバー６およ
びケーブルの絶縁層３の端部を覆うように装着されてい
る補強絶縁体７が備えているシールド電極の軸方向の長
さを導体カバーの軸方向長さとほぼ同一とし、シールド
電極の端面８０と導体カバーの端面６０とを同一平面上
に存在させると共に、シールド電極の端部８２をなだら
かな曲面に形成する。このシールド電極８は補強絶縁体
７の内面に露出し、導体カバー６と導電的に接続されて
いる。
(57) [Abstract] [Purpose] By improving the shape of the shield electrode of the reinforcing insulator mounted on the outside of the conductor connection, the conventional difficulties such as local high electric field strength were eliminated, and the size of the connection was reduced Enable [Structure] A conductor cover 6 attached on a conductor connecting portion 5 and a reinforcing insulator 7 mounted so as to cover an end portion of an insulating layer 3 of a cable are provided with a shield electrode having an axial length of a conductor. The length in the axial direction of the cover is approximately the same, the end face 80 of the shield electrode and the end face 60 of the conductor cover are on the same plane, and the end portion 82 of the shield electrode is formed into a gently curved surface. The shield electrode 8 is exposed on the inner surface of the reinforcing insulator 7 and is electrically connected to the conductor cover 6.
Description
【０００１】[0001]
本考案はゴム、プラスチック電力ケーブルの接続部に関するものである。 The present invention relates to a rubber and plastic power cable connection.
【０００２】[0002]
第４図の縦断面図に示すように、ケーブル１の導体２を接続する導体接続部５ 上に導体カバー６を被着し、更に架橋もしくは未架橋のゴム、プラスチックより 成り、内周面に露出するシールド電極８を備えた補強絶縁体７を、シールド電極 ８と導体カバー６とが導電的に接続されるように、導体カバー６上にねじ１０に よる螺合等で固定し、ケーブルの絶縁層２と補強絶縁体７との間に形成された空 間に未架橋のゴム、プラスチックより成る径合せ補強絶縁体１１を挿入し、更に 補強絶縁体７及び１１の外周に半導電層１２を被覆し、然る後にこのように組み 上げたケーブル接続部を加圧、加熱して補強絶縁体７および径合せ補強絶縁体１ １を架橋すると共に、これらの補強絶縁体７及び１１並びにケーブルの絶縁層３ とを互いに融着一体化させるいわゆるプレファブモールド式の接合部が最近開発 され、実用化されている。 As shown in the longitudinal sectional view of FIG. 4, a conductor connecting portion 5 for connecting the conductor 2 of the cable 1 A conductor cover 6 is attached on top of it, Of the shield electrode 8 exposed on the inner peripheral surface 8 on the conductor cover 6 so that the conductor cover 6 and the conductor cover 6 are conductively connected. The space formed between the insulating layer 2 of the cable and the reinforcing insulator 7 Insert a diametrically reinforced insulating body 11 made of uncrosslinked rubber or plastic between them, and The outer periphery of the reinforced insulators 7 and 11 is covered with a semiconductive layer 12, and then assembled in this way. Reinforced insulator 7 and diametrically reinforced insulator 1 by pressurizing and heating the raised cable connection portion. 1 together with the reinforcing insulations 7 and 11 and the insulation layer 3 of the cable. Recently developed a so-called pre-fab mold type joint that fuses and integrates with each other It has been put to practical use.
【０００３】[0003]
上記のプレファブモールド式接続部における補強絶縁体７のシールド電極８は 、補強絶縁体７、径合せ補強絶縁体１１およびケーブル絶縁層３の融着面に生成 するおそれがあるボイドを電界から遮蔽するために、導体カバー６の軸方向長さ を越えて延長する突出部８５を備えている。シールド電極８におけるこの突出部 ８５の存在のために補強絶縁体の長さが長くなり、接続部が大型化するだけでな く、突出部８５の先端の曲率半径が小さい部分の高い電界強度のために補強絶縁 体が大型化するという難点がある。 The shield electrode 8 of the reinforcing insulator 7 in the above-mentioned prefabricated mold type connection portion is Generated on the fusion-bonded surface of the reinforced insulator 7, the diametrically reinforced insulator 11 and the cable insulating layer 3. The axial length of the conductor cover 6 in order to shield the voids that may occur from the electric field. It has a protruding portion 85 extending beyond. This protrusion on the shield electrode 8 The presence of 85 not only increases the length of the reinforced insulator, but also increases the size of the connection. Reinforcing insulation for high electric field strength at the tip of the protrusion 85 where the radius of curvature is small. There is a problem that the body becomes large.
【０００４】 また、プレファブモールド式接続部においては、上述の通り、接続部を組上げ た後に組上げた接続部を金型により包覆して加圧、加熱し、補強絶縁体、ケーブ ル絶縁層を融着一体化させるが、本願の考案者の検討によれば、シールド電極８ の突出部８５の存在が、該突出部の内部側の絶縁体Ａ（図４参照）への熱の流れ （熱は接続部の外周側から内側へ伝わる）を阻害し、架橋不足、ボイド等の欠陥 を生じ易くするという難点があることもわかった。[0004] As for the pre-fab mold type connection part, the connection part is assembled as described above. After covering the assembled parts with a mold, pressurize and heat them to reinforce the insulation and the cable. However, according to the study by the inventor of the present application, the shield electrode 8 The presence of the protruding portion 85 of the heat flow to the insulator A (see FIG. 4) on the inner side of the protruding portion. (Heat is transferred from the outer side to the inner side of the connection part), insufficient bridging, defects such as voids It was also found that there is a problem that it is easy to cause.
【０００５】 本考案は、補強絶縁体のシールド電極の形状を改良することにより上記の難点 を解消し、小型化可能な接続部を提供することを目的とするものである。[0005] The present invention has the above drawbacks by improving the shape of the shield electrode of the reinforced insulator. It is an object of the present invention to solve the above problems and to provide a connection unit that can be downsized.
【０００６】[0006]
本考案のゴム、プラスチック電力ケーブルの接続部においては、上記の目的を 達成するために、シールド電極の長さを導体カバーの長さとほぼ同一とし、シー ルド電極の端面と導体カバーの端面とをほぼ同一の平面上に存在するように揃え 、シールド電極の端部をなだらかな曲面に形成している。また請求項２に記載の 本考案においては、シールド電極がその端面にシールド電極を被覆する半導電層 を係合させる小凹部を備え、半導電層によるシールド電極の被覆を容易にしてい る。 In the connection part of the rubber and plastic power cable of the present invention, To achieve this, make the length of the shield electrode approximately the same as the length of the conductor cover, and Align the end surface of the shield electrode and the end surface of the conductor cover so that they are on the same plane. The end of the shield electrode is formed into a gentle curved surface. In addition, according to claim 2, In the present invention, the shield electrode has a semiconductive layer whose end face covers the shield electrode. It has a small recess that engages with each other to facilitate the coating of the shield electrode with a semiconductive layer. It
【０００７】[0007]
プレファブモールド式接続部においては、接続部の組上げ後に接続部を金型に より包覆し加圧、加熱するので、補強絶縁体、径合せ補強絶縁体等の形状が適切 であれば、また空気抜き等が適切であれば、補強絶縁体、径合せ補強絶縁体およ びケーブル絶縁層等の融着面にボイドを生成することはなく、従って、これらの 融着面を電界から遮蔽しなくても接続部の絶縁性能が低下するおそれはないこと を本願の考案者は確認した。 In the prefab mold type connection part, after the connection part is assembled, the connection part is made into a mold. The shape of the reinforced insulator, the diametrically reinforced insulator, etc. is appropriate because it is wrapped and pressed and heated. If so, and if air bleeding is appropriate, a reinforced insulator, diametrically reinforced insulator and And voids on fused surfaces such as cable insulation layers and therefore these Even if the fusion surface is not shielded from the electric field, the insulation performance of the connection part will not deteriorate. Was confirmed by the inventor of the present application.
【０００８】 このような知見に基づいて、本考案のゴム、プラスチック電力ケーブルの接続 部においては、シールド電極の長さを導体カバーの長さとほぼ同一とし、シール ド電極の端面と導体カバーの端面とをほぼ同一面上に存在するように揃え、シー ルド電極の端部をなだらかな曲面に形成しているので、図３のシールド電極端部 の説明図からも理解されるように電解が局部的に集中することがない。従って、 本考案の接続部においては、シールド電極に突出部がない分だけ補強絶縁体の長 さを縮小できるだけでなく、電界の集中がなく電界が緩和されている分だけ接続 部を小型化することができる。また、接続部組上げ後の加圧、加熱に当って前述 したような熱の流れを阻害する問題も生じない。[0008] Based on such knowledge, the rubber and plastic power cable connection of the present invention In the section, the length of the shield electrode is almost the same as the length of the conductor cover, and the seal Align the end surface of the shield electrode and the end surface of the conductor cover so that they are on the same plane, and Since the end of the shield electrode is formed into a gentle curved surface, the end of the shield electrode of FIG. As can be understood from the explanatory diagram of 1., there is no local concentration of electrolysis. Therefore, In the connection part of the present invention, the length of the reinforcing insulator is increased because the shield electrode has no protrusion. Not only can the size be reduced, but there is no electric field concentration and the electric field is alleviated. The part can be miniaturized. In addition, pressurization and heating after assembling the connection part The problem of obstructing the flow of heat does not occur.
【０００９】 請求項２に記載した考案においては、シールド電極８もしくは導体カバー６の 端面に小凹部８２を設けているので、シールド電極を加熱収縮性の半導電性チュ ーブ等により被覆し遮蔽するに当り、該被覆層を小凹部に係合させることができ 、シールド電極を容易にかつ確実に被覆することができる。しかも、この小凹部 がシールド電極の端面に設けられているので、図３の等電位線Ｐからも明らかな 通り、小凹部はシールド電極の端面により遮蔽され、電界を乱すことはない。[0009] According to the second aspect of the invention, the shield electrode 8 or the conductor cover 6 Since the small recessed portion 82 is provided on the end face, the shield electrode is heat-shrinkable and semiconductive. It is possible to engage the coating layer with the small recess when covering and shielding with a groove etc. The shield electrode can be easily and surely covered. Moreover, this small recess Is provided on the end face of the shield electrode, it is clear from the equipotential line P in FIG. As described above, the small concave portion is shielded by the end surface of the shield electrode and does not disturb the electric field.
【００１０】[0010]
本考案の詳細を実施例によりまた図面に基づき以下に説明する。図１は本考案 の実施例の一部縦断側面図であり、図２は本考案の他の実施例の縦断面図である 。図３は本考案におけるシールド電極の端部の説明図である。各図において同一 符号は同一の部分を示している。 The details of the invention are explained below by way of example and with reference to the drawings. Fig. 1 is the present invention FIG. 2 is a side elevational view, partly in longitudinal section, of FIG. 2, and FIG. 2 is a longitudinal sectional view of another embodiment of the present invention. . FIG. 3 is an explanatory view of an end portion of the shield electrode in the present invention. Identical in each figure The reference numerals indicate the same parts.
【００１１】 図１において、接続すべきケーブル１、１の端部の絶縁層３、３から露出させ た導体２、２を接続した導体接続部５上には、銅等の金属或は比抵抗が１０2 Ω cm以下の導電性ＥＰゴム等の導電性ゴム、プラスチックから成り、被着に便利な ように軸方向に沿って二つ割りにされた導体カバー６が被着されている。更に、 架橋もしくは未架橋のゴム、プラスチックから成り、内周面に露出するシールド 電極８を備えた補強絶縁体７がねじ１０の螺合により上記の導体カバー６上に装 着、固定されている。該補強絶縁体７は導体接続前に予め被接続ケーブルの一方 に挿通しておき、導体カバー６の被着後に導体カバー上に引戻されて、装着、固 定される。In FIG. 1, on the conductor connecting portion 5 connecting the conductors 2 exposed from the insulating layers 3 and 3 at the ends of the cables 1 and 1 to be connected, a metal such as copper or a specific resistance is provided. Is made of a conductive rubber such as a conductive EP rubber of 10 2 Ω cm or less and a plastic, and a conductor cover 6 which is divided into two along the axial direction is attached for convenience of attachment. Further, a reinforcing insulator 7 made of crosslinked or uncrosslinked rubber or plastic and having a shield electrode 8 exposed on the inner peripheral surface is mounted and fixed on the conductor cover 6 by screwing a screw 10. The reinforcing insulator 7 is inserted into one of the cables to be connected in advance before connecting the conductor, and after the conductor cover 6 is attached, the reinforcing insulator 7 is pulled back onto the conductor cover to be attached and fixed.
【００１２】 導体カバー６およびシールド電極８の軸方向の長さはほぼ同一であり、補強絶 縁体７を導体カバー６上に装着、固定したときにシールド電極の端面８０と導体 カバーの端面６０とがほぼ同一の平面上に存在するように揃えられている。シー ルド電極の外周面８１の端部８２はなだらかな曲面に形成されている。シールド 電極の端面８０には小凹部８３が設けられており、シールド電極を被覆し電界緩 和層を形成する。例えば加熱収縮性で厚さが１〜２mm（収縮後）の半導電性チュ ーブによる半導電層９の端部が該小凹部８３に係合している。半導電層９は半導 電性ゴム、プラスチックテープを巻回して形成しても勿論差し支えはない。何れ にしても上記小凹部８３に端部を係止できるので、半導電層９の被覆が容易であ り、また半導電層９をシールド電極８の表面に確実に固着することができる。[0012] The conductor cover 6 and the shield electrode 8 have substantially the same length in the axial direction. When the edge body 7 is mounted and fixed on the conductor cover 6, the end face 80 of the shield electrode and the conductor The end faces 60 of the cover are aligned such that they are on substantially the same plane. C The end portion 82 of the outer peripheral surface 81 of the field electrode is formed into a gentle curved surface. shield A small recess 83 is provided in the end face 80 of the electrode to cover the shield electrode and reduce the electric field. The sum layer is formed. For example, it is a heat-shrinkable semi-conductive tube with a thickness of 1-2 mm (after shrinking). The end of the semiconductive layer 9 formed by the groove is engaged with the small recess 83. The semiconductive layer 9 is semiconductive Of course, it may be formed by winding an electric rubber or a plastic tape. Someday However, since the end portion can be locked in the small concave portion 83, the semiconductive layer 9 can be easily covered. In addition, the semiconductive layer 9 can be securely fixed to the surface of the shield electrode 8.
【００１３】 １１は未架橋のゴム、プラスチックから成る径合せ補強絶縁体で、内周面１１ ０はケーブル１の絶縁層３の外径に適合する内径の円周面をなし、外周面１１１ は補強絶縁体７の内周面に適合するテーパー面をなし、補強絶縁体７とケーブル の絶縁層３との間に形成された空間に、これを完全に埋めるように挿入されてい る。１２は接続部の外部遮蔽層を形成する半導電層で、未架橋の半導電ゴム、プ ラスチックテープの巻回或は半導電性の加熱収縮性チューブにより形成されてい る。[0013] Numeral 11 is a diametrically reinforced insulator made of uncrosslinked rubber or plastic, and has an inner peripheral surface 11 Reference numeral 0 denotes a circumferential surface having an inner diameter that matches the outer diameter of the insulating layer 3 of the cable 1, and the outer circumferential surface 111 Is a tapered surface that fits the inner peripheral surface of the reinforced insulator 7, and the reinforced insulator 7 and the cable Is inserted so as to completely fill the space formed between the insulating layer 3 and It Reference numeral 12 is a semi-conductive layer that forms an external shielding layer of the connecting portion, and is an uncrosslinked semi-conductive rubber or plug. Formed by a winding of plastic tape or a semi-conductive heat-shrinkable tube It
【００１４】 上記のように組上げられた接続部は図示しない金型により包覆され、加圧、加 熱される。この加圧、加熱により径合せ補強絶縁体が架橋され、また未架橋のも のが用いられているときは補強絶縁体７、半導電層１２も架橋され、同時にケー ブル１の絶縁層３、径合せ補強絶縁体１１、補強絶縁体７が互いに融着し一体化 される。なお、導体カバー６が上述したように導電性ＥＰゴム等の導電性のエラ ストマーにより形成されているときは、その弾性を利用してケーブル絶縁層端或 は径合せ補強絶縁体との先端との間に隙間を生じないように嵌合し、突合せるこ とができるという利点がある。[0014] The connection part assembled as described above is covered with a mold (not shown) and pressed and pressed. Be heated. The pressurization and heating crosslink the diametrically reinforced insulator, and When is used, the reinforcing insulator 7 and the semiconductive layer 12 are also cross-linked, and at the same time, The insulating layer 3, the matching reinforcing insulator 11 and the reinforcing insulator 7 of the bull 1 are fused and integrated with each other. To be done. In addition, as described above, the conductor cover 6 has a conductive elastic material such as a conductive EP rubber. When formed by a stormer, its elasticity is used to Is fitted and butted so that there is no gap between it and the tip of the diametrical reinforcement insulator. The advantage is that
【００１５】 図２に示す実施例においては、導体接続部５上に被着されている二つ割りの導 体カバー６はケーブル１の絶縁層３の外径と同じ外径を有し、絶縁層３、３の間 にきっちりと嵌合されている。従って導体カバー６上に装着する補強絶縁体７の 内周面はケーブル１の絶縁層３の外径に適合する寸法の円筒面をなし、この実施 例においては図１の実施例におけるような径合せ補強絶縁体の使用を必要としな い。また、補強絶縁体７のシールド電極８は導体６と、ねじ結合ではなく、嵌合 により接続されている。従って、この実施例の場合には、補強絶縁体７は装着し 易いように軸方向に沿って二つ割りに形成することも可能である。上記の点以外 は図１に示した実施例と同じである。なお、図において４はケーブル１の外部半 導電層である。[0015] In the embodiment shown in FIG. 2, the halves of the conductors which are applied to the conductor connection 5 are covered. The body cover 6 has the same outer diameter as the outer diameter of the insulating layer 3 of the cable 1, and the space between the insulating layers 3 and 3 is It is fitted tightly. Therefore, the reinforcement insulator 7 to be mounted on the conductor cover 6 The inner peripheral surface is a cylindrical surface having a size that matches the outer diameter of the insulating layer 3 of the cable 1. The example does not require the use of diametrically reinforced insulation as in the embodiment of FIG. Yes. Further, the shield electrode 8 of the reinforcing insulator 7 is fitted to the conductor 6 not by screw connection but by fitting. Connected by. Therefore, in the case of this embodiment, the reinforcing insulator 7 is not attached. It is also possible to form it in two along the axial direction for the sake of simplicity. Other than the above points Is the same as the embodiment shown in FIG. In the figure, 4 is the outer half of the cable 1. It is a conductive layer.
【００１６】 図３はシールド電極８の端部を拡大して示した説明図で、シールド電極８の外 周面８１の端部８２のなだらかな形状、シールド電極の端面８０に設けた小凹部 ８３及びシールド電極の端面８０と導体カバーの端面６０とがほぼ同一平面上に 位置する関係等が示されており、また、既に述べたように、併記した等電位線Ｐ により、小凹部８３がシールド電極の端面により遮蔽され電界に悪影響がないこ とをも示している。[0016] FIG. 3 is an explanatory view showing the end portion of the shield electrode 8 in an enlarged manner. A gentle shape of the end 82 of the peripheral surface 81, a small recess provided in the end surface 80 of the shield electrode 83 and the end surface 80 of the shield electrode and the end surface 60 of the conductor cover are substantially on the same plane. The positional relationship and the like are shown, and as already mentioned, the equipotential line P is also shown. As a result, the small concave portion 83 is shielded by the end surface of the shield electrode, and the electric field is not adversely affected. And are also shown.
【００１７】 以上、詳細に説明した本考案の接続部は上記説明した以外にも種々な変形が可 能である。また上述の説明は専らプレファブモールド式の接続部について行った が、本考案はプレファブモールド式に限られる訳ではなく、例えばプレファブ式 の接続部等に適用することも可能である。[0017] As described above, the connection part of the present invention described in detail can be modified in various ways other than those described above. Noh. Also, the above description has been made exclusively on the prefabricated type connection part. However, the present invention is not limited to the prefab mold type, and for example, the prefab type is used. It is also possible to apply to the connection part of the.
【００１８】[0018]
本考案は上述説明した所から既に明らかなように、補強絶縁体のシールド電極 に導体カバーの長さを越える突出部がないので、その分だけ補強絶縁層の長さを 縮少でき、また電界の局部的集中がなく電界が緩和され、その分だけ接続部を小 型化できる。また、請求項２に記載の本考案においてはシールド電極の端面にシ ールド電極を被覆する半導電層が係合できる小凹部を設けたので、シールド電極 に半導電層を容易に被覆しかつ確実に固定できる利点がある。 As apparent from the above description, the present invention provides a shield electrode of a reinforced insulator. Since there is no protruding part that exceeds the length of the conductor cover, the length of the reinforcing insulation layer should be increased accordingly. It can be reduced and the electric field is relaxed without local concentration of the electric field. Can be typed. Further, in the present invention as set forth in claim 2, the end face of the shield electrode is shielded. The shield electrode has a small recess that can be engaged with the semiconductive layer that covers the shield electrode. Further, there is an advantage that the semiconductive layer can be easily covered and fixed securely.
【図面の簡単な説明】[Brief description of drawings]
【図１】本考案の実施例の一部縦断側面図である。FIG. 1 is a partially longitudinal side view of an embodiment of the present invention.
【図２】本考案の他の実施例の縦断面図である。FIG. 2 is a vertical sectional view of another embodiment of the present invention.
【図３】本考案におけるシールド電極の端部の説明図で
ある。FIG. 3 is an explanatory view of an end portion of a shield electrode according to the present invention.
【図４】従来の接続部の一部縦断側面図である。FIG. 4 is a partially longitudinal side view of a conventional connecting portion.
３ ケーブルの絶縁層 ５ 導体接続部 ６ 導体カバー ７ 補強絶縁体 ８ シールド電極 １１ 径合せ補強絶縁体 ６０ 導体カバーの断面 ８０ シールド電極の端面 ８３ 小凹部 3 Cable insulation layer 5 conductor connection 6 conductor cover 7 Reinforced insulator 8 Shield electrode 11 Diameter matching reinforced insulator 60 Conductor cover cross section 80 End face of shield electrode 83 Small recess
Claims (2)
およびケーブルの絶縁層端を覆うように装着され、内周
面に露出した上記導体カバーと導電的に接続されるシー
ルド電極を備えた補強絶縁体を有するケーブル接続部で
あって、上記シールド電極の軸方向長さを導体カバーの
軸方向長さとほぼ同一とし、シールド電極の端面と導体
カバーの端面とをほぼ同一平面上に存在させると共に、
シールド電極の端部をなだらかな曲面に形成したことを
特徴とするゴム、プラスチック電力ケーブルの接続部。1. A conductor cover attached to the outer periphery of a conductor connecting portion, and a shield electrode mounted so as to cover an end of an insulating layer of a cable and conductively connected to the conductor cover exposed on an inner peripheral surface. A cable connecting portion having a reinforced insulator, wherein the axial length of the shield electrode is substantially the same as the axial length of the conductor cover, and the end face of the shield electrode and the end face of the conductor cover are on substantially the same plane. With
Rubber and plastic power cable connection, characterized in that the end of the shield electrode is formed into a gentle curved surface.
に被覆する半導電層を係合させる小凹部を備えているこ
とを特徴とする請求項１記載のゴム、プラスチック電力
ケーブルの接続部。2. The connection portion of a rubber or plastic power cable according to claim 1, wherein the shield electrode is provided with a small recess at an end surface thereof for engaging a semiconductive layer covering the shield electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991057603U JP2558142Y2 (en) | 1991-06-27 | 1991-06-27 | Rubber and plastic power cable connections |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991057603U JP2558142Y2 (en) | 1991-06-27 | 1991-06-27 | Rubber and plastic power cable connections |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH054726U true JPH054726U (en) | 1993-01-22 |
| JP2558142Y2 JP2558142Y2 (en) | 1997-12-17 |
Family
ID=13060437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1991057603U Expired - Lifetime JP2558142Y2 (en) | 1991-06-27 | 1991-06-27 | Rubber and plastic power cable connections |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2558142Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52144795A (en) * | 1976-05-27 | 1977-12-02 | Sumitomo Electric Ind Ltd | Forming connection part for rubber plastic insulated cable |
| JPH02159918A (en) * | 1988-12-08 | 1990-06-20 | Hitachi Cable Ltd | Connection part for CV cable |
-
1991
- 1991-06-27 JP JP1991057603U patent/JP2558142Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52144795A (en) * | 1976-05-27 | 1977-12-02 | Sumitomo Electric Ind Ltd | Forming connection part for rubber plastic insulated cable |
| JPH02159918A (en) * | 1988-12-08 | 1990-06-20 | Hitachi Cable Ltd | Connection part for CV cable |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2558142Y2 (en) | 1997-12-17 |
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