JPH11266526A - Room temperature shrinkable insulating protective tube - Google Patents
Room temperature shrinkable insulating protective tubeInfo
- Publication number
- JPH11266526A JPH11266526A JP10089528A JP8952898A JPH11266526A JP H11266526 A JPH11266526 A JP H11266526A JP 10089528 A JP10089528 A JP 10089528A JP 8952898 A JP8952898 A JP 8952898A JP H11266526 A JPH11266526 A JP H11266526A
- Authority
- JP
- Japan
- Prior art keywords
- electric wires
- wires
- outer diameter
- inner diameter
- elastic tube
- 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.)
- Pending
Links
Landscapes
- Cable Accessories (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、圧着スリ−ブな
どによる低圧絶縁電線接続部の絶縁保護に使用する常温
収縮絶縁保護管に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cold-shrinkable insulation protection tube used for insulation protection of a low-voltage insulated wire connection part by a crimping sleeve or the like.
【０００２】[0002]
【従来の技術】従来、図７に示すように、例えば、低圧
引込用絶縁電線ａと屋内用絶縁電線ｂを圧着スリ−ブｃ
を使用して接続する場合、低圧引込用絶縁電線ａと屋内
用絶縁電線ｂの絶縁体を所定長だけ剥ぎ取り、導体を露
出させたのち、露出した導体部に圧着スリ−ブｃを装着
し、圧着し、ついで圧着スリ−ブｃ上に、自己融着性絶
縁テ−プｅなどを、少なくとも、低圧引込用絶縁電線ａ
と屋内用絶縁電線ｂの絶縁体厚さに相当する厚さに巻付
け、絶縁処理を施したのち、常温収縮チュ−ブ又は熱収
縮チュ−ブなどの収縮性チュ−ブｆを被せていたので、
次のような欠点があった。 狭い作業場所の場合には、絶縁テ−プによるテ−ピン
グ処理が困難である。 テ−ピング処理作業は面倒な上に時間がかかる。 収縮性チュ−ブと絶縁テ−プの二種類の材料を常備し
ていなければならない。2. Description of the Related Art Conventionally, as shown in FIG. 7, for example, a crimping sleeve c for connecting an insulated wire a for low voltage drawing and an insulated wire b for indoor use.
When the connection is made by using a wire, the insulation of the low-voltage lead-in insulated wire a and the indoor insulated wire b is stripped off by a predetermined length to expose the conductor, and then a crimping sleeve c is attached to the exposed conductor. Crimping, and then, on crimping sleeve c, self-fusing insulated tape e, etc.
And an insulating wire for indoor use, wound around the insulation wire b to a thickness corresponding to the thickness of the insulator, and subjected to an insulation treatment, and then covered with a shrinkable tube f such as a room-temperature shrinkable tube or a heat shrinkable tube. So
There were the following disadvantages. In the case of a small work place, it is difficult to perform a taping process using an insulating tape. The taping process is cumbersome and time-consuming. Two types of material must be available, a shrinkable tube and an insulating tape.
【０００３】[0003]
【発明が解決しようとする課題】この発明は、従来の技
術で記述した欠点を解消するためになされたもので、絶
縁テ−プによるテ−ピング処理作業を省略できる常温収
縮絶縁保護管の提供を目的とするものである。SUMMARY OF THE INVENTION The present invention has been made to solve the drawbacks described in the prior art, and provides a room-temperature shrinkable insulating protective tube which can omit a taping operation using an insulating tape. It is intended for.
【０００４】[0004]
【課題を解決するための手段】この発明の常温収縮絶縁
保護管は、少なくとも、接続しようとする各電線の導体
の露出長和よりも長く、前記電線の絶縁体厚さよりも厚
い突設部を内側に設け、この突設部に連続する両端部の
内径が前記電線の外径よりも小さい弾性チュ−ブを、前
記突設部の内径が前記電線の外径以上になるように全長
に亘り拡張し、拡張部に除去可能なスペ−サ−を装着し
ていることを特徴とするものである。The cold-shrink insulating protection tube of the present invention has at least a projecting portion longer than the sum of the exposed lengths of the conductors of the wires to be connected and thicker than the insulator thickness of the wires. An elastic tube provided inside and having an inner diameter at both ends continuous with the projecting portion smaller than the outer diameter of the electric wire is provided over the entire length such that the inner diameter of the projecting portion is equal to or larger than the outer diameter of the electric wire. The present invention is characterized in that a spacer which is extended and which can be removed is attached to the extended portion.
【０００５】この発明の別の常温収縮絶縁保護管は、少
なくとも、接続しようとする各電線、の導体の露出長和
よりも長く、前記電線の絶縁体厚さよりも厚い突設部を
中間部の外側に設け、前記電線の外径よりも小さい内径
を有する弾性チュ−ブを、前記電線の外径以上になるよ
うに全長に亘り拡張し、拡張部に除去可能なスペ−サ−
を装着していることを特徴とするものである。[0005] Another cold-shrink insulating protection tube of the present invention includes a projecting portion that is longer than the sum of the exposed lengths of the conductors of the respective wires to be connected and thicker than the insulator thickness of the wires. An elastic tube which is provided on the outside and has an inner diameter smaller than the outer diameter of the electric wire is extended over the entire length so as to be equal to or larger than the outer diameter of the electric wire, and a spacer which can be removed from the expanded portion.
Is mounted.
【０００６】この発明の別の常温収縮絶縁保護管は、少
なくとも、接続しようとする各電線の導体の露出長和よ
りも長く、前記電線の絶縁体厚さの１／２よりも厚い突
設部を両側に設け、この突設部に連続する両端部の内径
が前記電線の外径よりも小さい弾性チュ−ブを、前記突
設部の内径が前記電線の外径以上になるように全長に亘
り拡張し、拡張部に除去可能なスペ−サ−を装着してな
ることを特徴とするものである。Another cold-shrink insulating protection tube according to the present invention has a protruding portion that is longer than at least the sum of the exposed lengths of the conductors of the respective wires to be connected and is thicker than 厚 of the insulator thickness of the wires. Are provided on both sides, and an elastic tube whose inner diameter at both ends continuous with the projecting portion is smaller than the outer diameter of the electric wire is extended over the entire length so that the inner diameter of the projecting portion is equal to or larger than the outer diameter of the electric wire. It is characterized in that the spacer is extended and a removable spacer is attached to the extension.
【０００７】[0007]
【発明の実施形態】この発明の実施の形態の一例を図面
を参照しながら説明するに、図１〜図５に示すように、
少なくとも、接続しようとする電線Ａ、Ａ’の導体Ｂ、
Ｂ’の露出長和Ｌよりも長く、電線Ａ、Ａ’の絶縁体厚
さｔよりも厚い突設部１を、図２に示すように、内側に
設け、この突設部１に連続する両端部２の内径Ｄが電線
Ａ、Ａ’の外径ｄよりも小さい天然ゴム、エチレンプロ
ピレンゴムなどよりなる弾性チュ−ブ３を、突設部の内
径Ｄ’が電線Ａ，Ａ’の外径ｄ以上になるように全長に
亘り拡張し、拡張部に除去可能なプラスチックなどより
なる半割り筒状のスペ−サ−４を装着し、拡張状態を保
持している。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. As shown in FIGS.
At least the conductors A of the wires A and A 'to be connected,
As shown in FIG. 2, a projecting portion 1 longer than the exposed length L of B ′ and thicker than the insulator thickness t of the electric wires A and A ′ is provided inside and connected to the projecting portion 1. An elastic tube 3 made of natural rubber, ethylene propylene rubber, or the like, whose inner diameter D at both ends 2 is smaller than the outer diameter d of the electric wires A and A ', and the inner diameter D' of the projecting portion is outside the electric wires A and A ' The spacer is expanded over its entire length so as to have a diameter d or more, and a half-split cylindrical spacer-4 made of removable plastic or the like is attached to the expanded portion to maintain the expanded state.
【０００８】または、少なくとも、接続しようとする電
線Ａ、Ａ’の導体Ｂ、Ｂ’の露出長和Ｌよりも長く、電
線Ａ、Ａ’の絶縁体厚さｔよりも厚い突設部１'を、図
３に示すように、中間部の外側に設け、電線Ａ、Ａ’の
外径ｄよりも小さい内径Ｄを有する天然ゴム、エチレン
プロピレンゴムなどよりなる弾性チュ−ブ３’を、電線
Ａ，Ａ’の外径ｄ以上になるように全長に亘り拡張し、
拡張部に除去可能なプラスチックなどよりなる半割り筒
状のスペ−サ−４を装着し、拡張状態を保持している。Alternatively, at least the protruding portion 1 'which is longer than the sum of the exposed lengths L of the conductors B and B' of the wires A and A 'to be connected and which is thicker than the insulator thickness t of the wires A and A'. As shown in FIG. 3, an elastic tube 3 'made of natural rubber, ethylene propylene rubber or the like having an inner diameter D smaller than the outer diameter d of the electric wires A and A' is provided on the outside of the intermediate portion. A, A 'is extended over the entire length so as to be equal to or more than the outer diameter d,
A half-split cylindrical spacer-4 made of a removable plastic or the like is attached to the expansion portion to maintain the expansion state.
【０００９】または、少なくとも、接続しようとする電
線Ａ、Ａ’の導体Ｂ、Ｂ’の露出長和Ｌよりも長く、電
線Ａ、Ａ’の絶縁体厚さｔの１／２よりも厚い突設部
１”を、図４に示すように、両側に設け、この突設部
１”に連続する両端部２’の内径Ｄが電線Ａ、Ａ’の外
径ｄよりも小さい天然ゴム、エチレンプロピレンゴムな
どよりなる弾性チュ−ブ３”を、、突設部の内径Ｄ”が
電線Ａ，Ａ’の外径ｄ以上になるように全長に亘り拡張
し、拡張部に除去可能なプラスチックなどよりなる半割
り筒状のスペ−サ−４を装着し、拡張状態を保持してい
る。Alternatively, at least a protrusion that is longer than the sum of the exposed lengths L of the conductors B and B ′ of the wires A and A ′ to be connected and larger than １ ／ of the insulator thickness t of the wires A and A ′. As shown in FIG. 4, provided portions 1 ″ are provided on both sides, and the inner diameter D of both ends 2 ′ continuous with the protruding portions 1 ″ is smaller than the outer diameter d of the electric wires A, A ′. An elastic tube 3 "made of propylene rubber or the like is extended over the entire length so that the inner diameter D" of the protruding portion is equal to or larger than the outer diameter d of the electric wires A and A ', and a plastic or the like which can be removed at the expanded portion. A half-spaced cylindrical spacer-4 is mounted to maintain the expanded state.
【００１０】圧着したのちの圧着スリ−ブ５の外径が、
電線Ａ、Ａ’の外径とほぼ等しいか若干細目の場合に
は、通常、突設部１を内側、又は突設部１”を両側に設
けた構造の弾性チュ−ブ３、３”が使用され、圧着した
のちの圧着スリ−ブ５の外径が、電線Ａ、Ａ’の外径よ
りも大きくなる場合には、通常、突設部１'を外側に設
けた構造の弾性チュ−ブ３’が使用される。The outer diameter of the crimping sleeve 5 after crimping is
In the case where the outer diameters of the electric wires A and A 'are almost equal to or slightly smaller than those of the electric wires A and A', the elastic tubes 3 and 3 "having a structure in which the protruding portions 1 are provided on the inside or the protruding portions 1" are provided on both sides. When the outer diameter of the crimping sleeve 5 after being used and crimped is larger than the outer diameter of the electric wires A and A ', an elastic tube having a structure in which the projecting portion 1' is provided on the outside is usually used. 3 'is used.
【００１１】弾性チュ−ブ３、弾性チュ−ブ３’又は弾
性チュ−ブ３”を使用しても、接続後の仕上がりは殆ど
変らず、図６に示すように、圧着スリ−ブ５の上では、
少なくとも絶縁厚さｔ相当分が付加して被さっているこ
とになる。Even if the elastic tube 3, the elastic tube 3 'or the elastic tube 3 "is used, the finish after connection hardly changes, and as shown in FIG. Above,
That is, at least an amount equivalent to the insulation thickness t is additionally covered.
【００１２】実施に際しては、電線Ａ、Ａ’のいずれか
一方に、本願の常温収縮絶縁保護管をあらかじめ挿通し
ておき、圧着スリ−ブ５を圧着して、電線Ａ、Ａ’を接
続したのちに、前記常温収縮絶縁保護管を接続部上に引
き戻し、ついでスぺ−サ−４を除去し、弾性チュ−ブ
３、弾性チュ−ブ３’又は弾性チュ−ブ３”を圧着スリ
−ブ５に密接して収縮させる。なお、スぺ−サ−４は中
央部で突き合せ、左右に引き抜く構造にしてもよく又は
前記突き合せなしで、一方向に引き抜く構造にしてもよ
い。At the time of implementation, the room-temperature shrinkage insulating protective tube of the present invention was inserted through one of the electric wires A and A 'in advance, the crimp sleeve 5 was crimped, and the electric wires A and A' were connected. Thereafter, the cold-shrinkable insulating protective tube is pulled back onto the connecting portion, the spacer-4 is removed, and the elastic tube 3, the elastic tube 3 'or the elastic tube 3 "is crimped. The spacers 4 are contracted in close contact with the bush 5. The spacers 4 may be structured so as to abut each other at a central portion and be pulled out to the right or left, or may be structured to be pulled out in one direction without the abutment.
【００１３】[0013]
【発明の効果】この発明は以上のように構成されている
ので、次のような効果を呈する。 絶縁テ−プによるテ−ピング処理を省略でき、作業時
間が短縮する。 場所が狭く、足場が悪い所でも、絶縁保護処理が簡単
にできる。 絶縁保護処理部材が一種類でよいので、部材の管理が
容易である。As described above, the present invention has the following advantages. The taping process using an insulating tape can be omitted, and the working time can be shortened. Insulation protection can be easily performed even in a place where the place is narrow and the scaffold is poor. Since only one kind of insulation protection member is required, management of the member is easy.
【図１】接続電線の突き合わせ状態を示す説明図FIG. 1 is an explanatory diagram showing a butt state of connection wires.
【図２】弾性チュ−ブの一例を示す断面図FIG. 2 is a sectional view showing an example of an elastic tube.
【図３】弾性チュ−ブの別の一例を示す断面図FIG. 3 is a sectional view showing another example of the elastic tube.
【図４】弾性チュ−ブの別の一例を示す断面図FIG. 4 is a sectional view showing another example of the elastic tube.
【図５】拡張した弾性チュ−ブにスペ−サ−を装着した
状態を示す断面図FIG. 5 is a sectional view showing a state in which a spacer is mounted on an expanded elastic tube.
【図６】接続した電線に常温収縮絶縁保護管を装着した
状態を示す断面図FIG. 6 is a cross-sectional view showing a state in which a cold shrink insulating protection tube is attached to the connected electric wire.
【図７】従来の実施例を示す断面図FIG. 7 is a sectional view showing a conventional example.
１、１’、１” 突設部 ２、２’ 弾性チュ−ブの両端部 ３、３’、３” 弾性チュ−ブ ４ スペ−サ ５ 圧着スリ−ブ Ａ、Ａ’ 電線 Ｂ、Ｂ’ 導体 Ｌ 導体の露出長和 Ｄ 弾性チュ−ブ両端部の内径 Ｄ’、Ｄ” 突設部の内径 ｄ 電線の外径 ｔ 絶縁体厚さ ａ 低圧引込用絶縁電線 ｂ 屋内用絶縁電線 ｃ 圧着スリ−ブ ｅ 自己融着性絶縁テ−プ ｆ 収縮チュ−ブ 1, 1 ', 1 "Projecting portion 2, 2' Both ends of elastic tube 3, 3 ', 3" Elastic tube 4 Spacer 5 Crimp sleeve A, A' Wire B, B ' Conductor L Sum of exposed length of conductor D Inner diameter of both ends of elastic tube D ', D "Inner diameter of projecting part d Outer diameter of wire t Insulator thickness a Insulated wire for low-voltage lead-in b Insulated wire for indoor use -B e Self-fusing insulating tape f Shrink tube
───────────────────────────────────────────────────── フロントページの続き (72)発明者 安東 博行 大分県大分市大字駄原2899番地 西日本電 線株式会社内 (72)発明者 藤 浩 大分県大分市大字駄原2899番地 西日本電 線株式会社内 ──────────────────────────────────────────────────の Continued from the front page (72) Inventor Hiroyuki Ando 2899 Ohara, Oita City, Oita Pref. Inside Nishi Nippon Line Co., Ltd. Inside
Claims (3)
（Ａ、Ａ’）の導体（Ｂ、Ｂ’）の露出長和（Ｌ）より
も長く、前記電線（Ａ、Ａ’）の絶縁体厚さ（ｔ）より
も厚い突設部（１）を内側に設け、該突設部（１）に連
続する両端部（２）の内径（Ｄ）が前記電線（Ａ、
Ａ’）の外径（ｄ）よりも小さい弾性チュ−ブ（３）
を、前記突設部の内径（Ｄ’）が前記電線（Ａ，Ａ’）
の外径（ｄ）以上になるように全長に亘り拡張し、拡張
部に除去可能なスペ−サ−（４）を装着してなることを
特徴とする常温収縮絶縁保護管1. An insulator thickness of the electric wires (A, A ') which is longer than at least the sum of the exposed lengths (L) of the conductors (B, B') of the electric wires (A, A ') to be connected. A projecting portion (1) thicker than (t) is provided inside, and the inner diameter (D) of both ends (2) continuous with the projecting portion (1) is equal to the electric wires (A,
Elastic tube (3) smaller than outer diameter (d) of A ')
And the inner diameter (D ′) of the protruding portion is the electric wire (A, A ′).
A cold-shrink insulating protection tube characterized in that it is expanded over its entire length so as to have an outer diameter (d) or more and a removable spacer (4) is attached to the expanded portion.
（Ａ、Ａ’）の導体（Ｂ、Ｂ’）の露出長和（Ｌ）より
も長く、前記電線（Ａ、Ａ’）の絶縁体厚さ（ｔ）より
も厚い突設部（１'）を中間部の外側に設け、前記電線
（Ａ、Ａ’）の外径（ｄ）よりも小さい内径（Ｄ）を有
する弾性チュ−ブ（３’）を、前記電線（Ａ、Ａ’）の
外径（ｄ）以上になるように全長に亘り拡張し、拡張部
に除去可能なスペ−サ−（４）を装着してなることを特
徴とする常温収縮絶縁保護管2. The insulator thickness of the electric wires (A, A ') is longer than the sum of the exposed lengths (L) of the conductors (B, B') of the electric wires (A, A ') to be connected. A projecting portion (1 ') thicker than (t) is provided outside the intermediate portion, and an elastic tube (3) having an inner diameter (D) smaller than the outer diameter (d) of the electric wires (A, A'). ') Is extended over the entire length so as to be equal to or larger than the outer diameter (d) of the electric wire (A, A'), and a detachable spacer (4) is attached to the expanded portion. Cold shrink insulation protection tube
（Ａ、Ａ’）の導体（Ｂ、Ｂ’）の露出長和（Ｌ）より
も長く、前記電線（Ａ、Ａ’）の絶縁体厚さ（ｔ）の１
／２よりも厚い突設部（１”）を両側に設け、該突設部
（１”）に連続する両端部（２’）の内径（Ｄ）が前記
電線（Ａ、Ａ’）の外径（ｄ）よりも小さい弾性チュ−
ブ（３”）を、前記突設部の内径（Ｄ”）が前記電線
（Ａ，Ａ’）の外径（ｄ）以上になるように全長に亘り
拡張し、拡張部に除去可能なスペ−サ−（４）を装着し
てなることを特徴とする常温収縮絶縁保護管3. The insulator thickness of the electric wires (A, A ') is at least longer than the total exposed length (L) of the conductors (B, B') of the electric wires (A, A ') to be connected. (T) 1
/ 2 are provided on both sides, and the inner diameter (D) of both ends (2 ') continuous with the projecting portion (1 ") is outside the electric wires (A, A'). Elastic tube smaller than diameter (d)
(3 ") is extended over the entire length so that the inner diameter (D") of the protruding portion is equal to or larger than the outer diameter (d) of the electric wire (A, A '), and a space that can be removed by the expanded portion. -A cold shrink insulating protection tube characterized by being fitted with a support (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10089528A JPH11266526A (en) | 1998-03-17 | 1998-03-17 | Room temperature shrinkable insulating protective tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10089528A JPH11266526A (en) | 1998-03-17 | 1998-03-17 | Room temperature shrinkable insulating protective tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11266526A true JPH11266526A (en) | 1999-09-28 |
Family
ID=13973321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10089528A Pending JPH11266526A (en) | 1998-03-17 | 1998-03-17 | Room temperature shrinkable insulating protective tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11266526A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012080737A (en) * | 2010-10-06 | 2012-04-19 | Viscas Corp | Heat-shrinkable tube and power cable connection portion using the same |
-
1998
- 1998-03-17 JP JP10089528A patent/JPH11266526A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012080737A (en) * | 2010-10-06 | 2012-04-19 | Viscas Corp | Heat-shrinkable tube and power cable connection portion using the same |
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