JP2535560Y2 - Insulating bushing - Google Patents
Insulating bushingInfo
- Publication number
- JP2535560Y2 JP2535560Y2 JP1990090532U JP9053290U JP2535560Y2 JP 2535560 Y2 JP2535560 Y2 JP 2535560Y2 JP 1990090532 U JP1990090532 U JP 1990090532U JP 9053290 U JP9053290 U JP 9053290U JP 2535560 Y2 JP2535560 Y2 JP 2535560Y2
- Authority
- JP
- Japan
- Prior art keywords
- electric wire
- insulating bushing
- annular bead
- insertion portion
- annular
- 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
- Insulating Bodies (AREA)
- Installation Of Indoor Wiring (AREA)
Description
【考案の詳細な説明】 （産業上の利用分野） この考案は、配電凾の電線挿通用の開口部などに使用
される絶縁ブッシングに関する。[Detailed description of the invention] (Industrial application field) This invention relates to an insulating bushing used for an opening for inserting an electric wire in a distribution box.
（従来の技術） 従来、配電凾の電線挿通用の開口部などに使用される
絶縁ブッシングは、ゴム製や合成樹脂製の環状部材で構
成され、前記開口部に挿通した電線の被覆を開口縁から
保護するように構成されていた。(Prior Art) Conventionally, an insulating bushing used for an opening for inserting an electric wire of a distribution box is made of a ring member made of rubber or synthetic resin, and covers an electric wire inserted through the opening with an opening edge. Was configured to protect against.
又、ゴム製で成り、電線挿通部がゴム膜で形成されて
おり、電線を挿通するに当っては、前記ゴム膜の部分を
十字状に切断して開口するようにしたものも知られてい
る。In addition, it is also known that the wire insertion portion is made of rubber, and the wire insertion portion is formed of a rubber film, and when the wire is inserted, the portion of the rubber film is cut into a cross shape to be opened. I have.
（考案が解決しようとする課題） 前記のような従来の絶縁ブッシングは、配電凾その他
の筐体の開口部に挿通した電線を、開口縁部から保護す
る機能を有するものであったが、挿通した電線を固定し
て電線の移動を阻止する機能の無いものであった。従っ
て電線の移動を防止する為には、別途電線固定手段を設
置しなければならなかった。(Problem to be Solved by the Invention) The conventional insulating bushing as described above has a function of protecting an electric wire inserted into an opening of a distribution box or other casing from an opening edge. There was no function of fixing the wire and preventing the movement of the wire. Therefore, in order to prevent the movement of the electric wire, a separate electric wire fixing means had to be provided.
この考案はこのような点に鑑みてなされたもので、電
線を開口縁部から保護する機能に加えて、電線を固定で
きる機能も有する絶縁ブッシングを提供することも目的
としている。The present invention has been made in view of such a point, and an object thereof is to provide an insulating bushing having a function of fixing an electric wire in addition to a function of protecting the electric wire from an opening edge.
（課題を解決する為の手段） 前記の目的を達成するこの考案の絶縁ブッシングは、
電線挿通部と、支持体への装着部とから構成される絶縁
ブッシングであって、前記電線挿通部は該部に挿通する
電線の中心線に平行な２重の弾性環状玉縁で構成してあ
り、該環状玉縁間および環状玉縁と装着部間が弾性膜で
連続していることを特徴とした絶縁ブッシングである。
前記環状玉縁は２重になっているが、それ以上重ねて設
けてもよい。(Means for Solving the Problems) The insulating bushing of the present invention which achieves the above object,
An insulating bushing comprising an electric wire insertion portion and a mounting portion to a support, wherein the electric wire insertion portion is constituted by a double elastic annular bead parallel to a center line of an electric wire inserted into the portion. An insulating bushing characterized in that the annular bead and the annular bead and the mounting portion are continuous with an elastic film.
The annular bead is doubled, but may be provided more than once.
（作用） この考案の絶縁ブッシングを使用する場合、装着部を
配電凾の側壁などの支持体に穿設された開口部に装着
し、電線挿通部に電線を挿通する。電線挿通部は弾性環
状玉縁で構成されているので、環状玉縁がゴム輪のよう
に振舞い、電線の外側に隙間無く嵌着する。この結果、
開口部に挿通した電線は、開口縁部に対して装着部を介
して保護されると共に、嵌着した電線挿通部を介して、
移動が防止される。(Operation) In the case of using the insulating bushing of the present invention, the mounting portion is mounted on an opening formed in a support such as a side wall of a distribution box, and an electric wire is inserted through the electric wire insertion portion. Since the electric wire insertion portion is constituted by an elastic annular bead, the annular bead acts like a rubber ring and fits on the outside of the electric wire without any gap. As a result,
The electric wire inserted into the opening is protected through the mounting portion with respect to the opening edge, and through the fitted electric wire insertion portion,
Movement is prevented.
環状玉縁を３重以上とすると電線に対する嵌着力が更
に増大し、移動防止機能を強くすることができる。When the annular bead is tripled or more, the fitting force to the electric wire is further increased, and the movement preventing function can be strengthened.
（実施例） 以下、この考案を実施例に基づいて説明する。(Example) Hereinafter, this invention is demonstrated based on an Example.
第１図乃至第３図において、１が実施例の絶縁ブッシ
ングであり、合成ゴムを一体成型して構成されている。
この絶縁ブッシング１は、第３図に示したように、配電
凾の側壁などの支持体２の開口部３の内側に装着される
環状の装着部４と、電線５が挿通される電線挿通部６で
構成されており、装着部４は外周に環状溝７が形成され
ている一方、電線挿通部６は環状玉縁８で構成され、該
環状玉縁８と装着部４の一側は弾性膜９で連続してい
る。1 to 3, reference numeral 1 denotes an insulating bushing of the embodiment, which is formed by integrally molding synthetic rubber.
As shown in FIG. 3, the insulating bushing 1 has an annular mounting portion 4 mounted inside an opening 3 of a support 2 such as a side wall of a distribution box, and an electric wire insertion portion through which electric wires 5 are inserted. 6, the mounting portion 4 has an annular groove 7 formed on the outer periphery thereof, while the electric wire insertion portion 6 includes an annular bead 8, and the annular bead 8 and one side of the mounting portion 4 are elastic. The film 9 is continuous.
前記絶縁ブッシング１を用いる場合、先ず装着部４の
環状溝７を支持体２の開口部３の開口縁部に嵌着させる
ようにして装着し、次いで電線挿通部６に電線５を挿通
する。電線挿通部６の環状玉縁８はゴム輪のような弾力
を有している為、電線５の外周に緊密に嵌着する。この
結果、電線５は開口部３の縁部に対して装着部４を介し
て保護されると共に、緊密に嵌着した環状玉縁８を介し
て矢示10のような移動が阻止されて、一定位置に固定さ
れる。又、電線５と支持体２の開口部３の縁部の間は、
環状玉縁８、弾性膜９および装着部４によって完全に塞
がれるので、配電凾内など電線５を導入した機器内部へ
塵埃等が侵入するのを防止することもできる。電線５の
断面は通常円形であるが、楕円ケーブル、平型ケーブル
のような電線であっても、環状玉縁８は、それらの電線
の外周に緊密に嵌着することが可能であり、同様の保
護、固定および防塵作用を得ることができる。When the insulating bushing 1 is used, first, the annular groove 7 of the mounting portion 4 is mounted so as to be fitted to the opening edge of the opening 3 of the support 2, and then the electric wire 5 is inserted into the electric wire insertion portion 6. Since the annular bead 8 of the electric wire insertion portion 6 has elasticity like a rubber ring, it fits tightly around the outer periphery of the electric wire 5. As a result, the electric wire 5 is protected from the edge of the opening 3 via the mounting portion 4, and is prevented from moving as indicated by the arrow 10 through the tightly fitted annular bead 8. It is fixed at a fixed position. Also, between the electric wire 5 and the edge of the opening 3 of the support 2,
Since it is completely closed by the annular bead 8, the elastic film 9, and the mounting portion 4, it is also possible to prevent dust or the like from entering the inside of the equipment such as the distribution box into which the electric wire 5 is introduced. Although the cross section of the electric wire 5 is usually circular, even if it is an electric wire such as an elliptic cable or a flat cable, the annular bead 8 can be tightly fitted to the outer periphery of the electric wire, and Protection, fixing and dust-proofing effects.
第４図は、前記環状玉縁８を電線挿通部に挿通する電
線の中心線に平行に２重に設けた実施例であり、環状玉
縁８、８間は筒状の弾性膜11で連続している。FIG. 4 shows an embodiment in which the annular bead 8 is provided twice in parallel with the center line of the electric wire inserted into the electric wire insertion portion, and the annular bead 8 is continuous with a cylindrical elastic film 11 between the annular bead 8. doing.
この実施例も前記実施例と同様の使用により、同様の
作用を得ることが可能である。挿通した電線は２つの環
状玉縁８、８が緊密に嵌着するので、移動を阻止する力
を増大し、より強固な固定作用が得られる。In this embodiment, the same operation can be obtained by the same use as in the above embodiment. Since the two annular beads 8, 8 are tightly fitted into the inserted electric wire, the force for preventing movement is increased, and a stronger fixing action can be obtained.
第５図は、電線挿通部６に挿通する電線５が、環状玉
縁８の内径より細い場合の実施例で、電線５側に、筒体
12を嵌着固定したものである。筒体12は一側に環状鍔13
が設けてあると共に、中間部には環状凹入部14、14が設
けてある。FIG. 5 shows an embodiment in which the electric wire 5 inserted into the electric wire insertion portion 6 is smaller than the inner diameter of the annular bead 8.
12 is fitted and fixed. The cylindrical body 12 has an annular flange 13 on one side
Are provided, and annular recessed portions 14, 14 are provided in the intermediate portion.
前記環状玉縁８は筒体12の環状凹入部14に嵌入させる
ことによって、強い移動阻止力を得ることができる。電
線５と開口部３の縁部間を塞ぐ点は、前記実施例と同様
である。By fitting the annular bead 8 into the annular recessed portion 14 of the cylindrical body 12, a strong movement inhibiting force can be obtained. The point at which the gap between the electric wire 5 and the edge of the opening 3 is closed is the same as in the above embodiment.
（考案の効果） 以上に説明したように、この考案によれば電線を開口
縁部から保護する機能に加えて、一定の位置に固定でき
る機能を有する絶縁ブッシングを提供できるので、別途
電線固定手段を設ける必要が無くなる効果がある。又、
電線と開口縁部間は完全に塞がれるので防塵機能を有す
る絶縁ブッシングを提供できる効果がある。更に電線挿
通部に挿通した電線を２つの環状玉縁により２ケ所で緊
密に嵌着するので、電線をより強固に固定できると共
に、電線の移動を阻止する力を増大させることができる
効果がある。(Effects of the Invention) As described above, according to the present invention, in addition to the function of protecting the electric wire from the opening edge, it is possible to provide an insulating bushing having a function of fixing the electric wire at a fixed position. There is an effect that there is no need to provide or,
Since the gap between the electric wire and the opening edge is completely closed, there is an effect that an insulating bushing having a dustproof function can be provided. Further, since the electric wire inserted into the electric wire insertion portion is tightly fitted at two places by the two annular beads, the electric wire can be more firmly fixed and the force for preventing the electric wire from moving can be increased. .
第１図はこの考案の実施例の正面図、第２図は同じく平
面図、第３図は同じく断面図、第４図はこの考案の他の
実施例の断面図、第５図はこの考案の実施例を細い電線
に使用した状態の断面図である。 １……絶縁ブッシング、２……支持体 ４……装着部、５……電線 ６……電線挿通部、８……環状玉縁 ９、11……弾性膜1 is a front view of an embodiment of the present invention, FIG. 2 is a plan view of the same, FIG. 3 is a sectional view of the same, FIG. 4 is a sectional view of another embodiment of the present invention, and FIG. FIG. 4 is a cross-sectional view of a state where the example of FIG. DESCRIPTION OF SYMBOLS 1 ... Insulation bushing, 2 ... Support body 4 ... Mounting part, 5 ... Electric wire 6 ... Electric wire insertion part, 8 ... Circular bead 9,11 ... Elastic film
Claims (1)
成される絶縁ブッシングであって、前記電線挿通部は該
部に挿通する電線の中心線に平行な２重の弾性環状玉縁
で構成してあり、該環状玉縁間および環状玉縁と装着部
間が弾性膜で連続していることを特徴とした絶縁ブッシ
ング。An insulating bushing comprising an electric wire insertion portion and a mounting portion to a support, wherein said electric wire insertion portion is a double elastic annular ball parallel to a center line of an electric wire inserted into said portion. An insulating bushing comprising an edge, wherein the elastic bead is continuous between the annular bead and between the annular bead and the mounting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990090532U JP2535560Y2 (en) | 1990-08-29 | 1990-08-29 | Insulating bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990090532U JP2535560Y2 (en) | 1990-08-29 | 1990-08-29 | Insulating bushing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0447222U JPH0447222U (en) | 1992-04-22 |
| JP2535560Y2 true JP2535560Y2 (en) | 1997-05-14 |
Family
ID=31825383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990090532U Expired - Lifetime JP2535560Y2 (en) | 1990-08-29 | 1990-08-29 | Insulating bushing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2535560Y2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49133200U (en) * | 1973-03-15 | 1974-11-15 | ||
| JPS53133200U (en) * | 1977-03-29 | 1978-10-21 |
-
1990
- 1990-08-29 JP JP1990090532U patent/JP2535560Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0447222U (en) | 1992-04-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |