JP2593821Y2 - Protective material for wire connection - Google Patents
Protective material for wire connectionInfo
- Publication number
- JP2593821Y2 JP2593821Y2 JP1991103560U JP10356091U JP2593821Y2 JP 2593821 Y2 JP2593821 Y2 JP 2593821Y2 JP 1991103560 U JP1991103560 U JP 1991103560U JP 10356091 U JP10356091 U JP 10356091U JP 2593821 Y2 JP2593821 Y2 JP 2593821Y2
- Authority
- JP
- Japan
- Prior art keywords
- joint terminal
- protective material
- electric wire
- wire connection
- connection portion
- 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
- Manufacturing Of Electrical Connectors (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は、導体を接続したジョイ
ント端子を覆うように設けられる電線接続部の保護材に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a protection member for an electric wire connection portion provided so as to cover a joint terminal to which a conductor is connected.
【０００２】[0002]
【従来の技術】自動車の配線等に用いられる電線の接続
部には防水処理が必要である。防水処理は、一般に、防
水シートを、導体を接続したジョイント端子の周囲に被
せ、接着あるいは溶着等により固定する方法で行われ
る。この場合の防水シートは、通常、ブチルゴムとＰＶ
Ｃシートから成っている（特開平２−２１２１２５号公
報参照）。2. Description of the Related Art Waterproofing is required for connection portions of electric wires used for wiring of automobiles and the like. Waterproofing is generally performed by a method in which a waterproof sheet is placed around joint terminals to which conductors are connected and fixed by bonding or welding. The waterproof sheet in this case is usually made of butyl rubber and PV.
It consists of a C sheet (see JP-A-2-212125).
【０００３】実際には、防水シートの性能を十分に出す
ために、防水シートを巻き付ける前に、図５（ａ）、
（ｂ）に示すようにジョイント端子１に厚さ１．８ｍｍ
程度のＰＶＣテープ２を６周回巻いたり、図６（ａ）、
（ｂ）に示すようにジョイント端子１を厚さ１ｍｍ程度
のＰＶＣチューブ３で覆ったりし、その上で防水シート
４を被せて、図５（ｃ）に示すような電線接続部を得て
いる。これは、図７に示すように外力Ｆがかかった時
に、ほつれた導体Ｐが防水シート４に穴を開けたり、ジ
ョイント端子１が防水シート４を破るのを防止するため
である。[0005] In actuality, in order to sufficiently bring out the performance of the waterproof sheet, before winding the waterproof sheet, FIG.
As shown in (b), the joint terminal 1 has a thickness of 1.8 mm.
About 6 times of PVC tape 2 is wound around 6 times,
As shown in FIG. 5B, the joint terminal 1 is covered with a PVC tube 3 having a thickness of about 1 mm, and a waterproof sheet 4 is placed thereon to obtain an electric wire connection portion as shown in FIG. . This is to prevent the frayed conductor P from making a hole in the waterproof sheet 4 and the joint terminal 1 from breaking the waterproof sheet 4 when an external force F is applied as shown in FIG.
【０００４】[0004]
【考案が解決しようとする課題】ところで、こられの方
法を実施した場合、幾つかの問題が生じる。例えば、図
５に示したテープ巻の方法では、６周回もテープを巻く
のが面倒で時間がかかり過ぎる。また、図６に示したチ
ューブ巻の方法では、チューブ３と端子１との間に隙間
ができてシール性が低下しやすく、またチューブ３には
復元性があるため防水構造の仕上がり時に肥大化してし
まう。However, when these methods are implemented, some problems occur. For example, in the tape winding method shown in FIG. 5, it is troublesome to take the tape around six turns and it takes too much time. Further, in the tube winding method shown in FIG. 6, a gap is formed between the tube 3 and the terminal 1 so that the sealing property is easily deteriorated. Would.
【０００５】そこで本考案は、前記事情を考慮し、電線
接続部の防水処理の作業性の向上、同接続部のシール性
の向上、同接続部の肥大化の防止を図り得る電線接続部
の保護材を提供することを目的とする。In view of the above circumstances, the present invention considers the above-mentioned circumstances and aims to improve the workability of waterproofing the electric wire connection portion, improve the sealing performance of the connection portion, and prevent the connection portion from being enlarged. The purpose is to provide protective material.
【０００６】[0006]
【課題を解決するための手段】本考案は、上記課題を解
決するため、導体を接続したジョイント端子を覆うよう
に設けられる電線接続部の保護材において、弾性材料に
より、一側に前記ジョイント端子挿入用開口を持つ断面
コ字状に成形され、かつ内面には凹部を有するように成
形され、該凹部は、その幅Ｌ1 ，高さＬ2 ，天井部曲率
Ｒ1 及び長さが前記ジョイント端子の外面の幅Ｌ1 ′，
高さＬ2 ′，天井部曲率Ｒ1 ′及び長さよりわずかに大
きくなるように、前記ジョイント端子の外面形状に合致
する略同形状に成形されてなることを特徴とする。SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a protective member for an electric wire connecting portion provided to cover a joint terminal to which a conductor is connected. It is formed in a U-shaped cross section having an insertion opening, and is formed so as to have a concave portion on the inner surface, and the concave portion has a width L 1 , a height L 2 , a curvature R 1 of a ceiling portion, and a length equal to the joint. The width L 1 ′ of the outer surface of the terminal,
The joint terminal is characterized by being formed to have substantially the same shape as the outer surface of the joint terminal so as to be slightly larger than the height L 2 ′, the ceiling curvature R 1 ′, and the length.
【０００７】[0007]
【作用】上記構成の保護材でジョイント端子を覆う場合
は、一側に設けた挿入用開口を広げ、ここから、電線を
接続したジョイント端子を挿入する。そうすると、保護
材が自身の弾性によりジョイント端子の外周にほとんど
隙間なくぴったりと嵌まる。When the joint terminal is covered with the protective material having the above structure, the insertion opening provided on one side is widened, and the joint terminal to which the electric wire is connected is inserted from here. Then, the protection member fits tightly on the outer periphery of the joint terminal with almost no gap due to its own elasticity.
【０００８】[0008]
【実施例】以下、本考案の実施例を図面に基づいて説明
する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings.
【０００９】図１は本考案の第１実施例の説明図であ
り、（ａ）は実施例の保護材５を示し、（ｂ）は保護材
５で覆う対象の金属性電気良導体のジョイント端子１を
示す。この実施例の保護材５は、従来のテープやチュー
ブに代わるものであり、一側にジョイント端子挿入用開
口６を持つ断面略コ字状に成形され、かつ内面全体には
ジョイント端子１の外面形状に合致する形状の凹部が成
形されている。FIG. 1 is an explanatory view of a first embodiment of the present invention. FIG. 1 (a) shows a protective member 5 of the embodiment, and FIG. 1 (b) shows a joint terminal of a metallic electric conductor to be covered with the protective member 5. 1 is shown. The protective material 5 of this embodiment is a substitute for a conventional tape or tube, is formed into a substantially U-shaped cross section having a joint terminal insertion opening 6 on one side, and has an outer surface of the joint terminal 1 on the entire inner surface. A recess having a shape matching the shape is formed.
【００１０】すなわち、（ａ）に示す保護材５の内面の
幅Ｌ1 ，高さＬ2 ，天井部曲率Ｒ1と、（ｂ）に示すジ
ョイント端子１の外面の幅Ｌ1 ′，高さＬ2 ′，天井部
曲率Ｒ1 ′とを比べた場合、前者の寸法がわずかに大き
い程度に設定され、保護材５をジョイント端子１にはめ
こんだ場合に、保護材５がジョイント端子１にほぼフィ
ットするような大きさ、形状に成形されている。That is, the width L 1 , the height L 2 , and the curvature R 1 of the ceiling of the inner surface of the protective member 5 shown in (a) and the width L 1 ′, the height of the outer surface of the joint terminal 1 shown in (b). When L 2 ′ and ceiling curvature R 1 ′ are compared, the former dimension is set to be slightly larger, and when the protective material 5 is fitted to the joint terminal 1, the protective material 5 is attached to the joint terminal 1. It is shaped and shaped to fit almost.
【００１１】この保護材５は、ジョイント端子１を覆う
程度の長さに形成され、長手方向にわたり同一断面を有
している。また、この保護材５は、塩化ビニル等より変
形し難く、かつ弾力性に優れ、金属からの力に対して強
い、ＥＰＤＭ等のゴム材料から構成され、肉厚が約１ｍ
ｍ程度で、角部にＲを設け、極力小さくなるように形成
されている。The protective member 5 is formed to have a length that covers the joint terminal 1 and has the same cross section in the longitudinal direction. The protective material 5 is made of a rubber material such as EPDM, which is harder to deform than vinyl chloride or the like, has excellent elasticity, and is strong against metal force, and has a thickness of about 1 m.
At about m, R is provided at a corner portion so as to be as small as possible.
【００１２】そして、図１（ｃ）に示すように、保護材
５の内側には、接着剤かホットメルト７が塗布してあ
る。これは保護材５とジョイント端子１を密着させて、
作業中に保護材５が外れないようにするためである。As shown in FIG. 1C, an adhesive or a hot melt 7 is applied to the inside of the protective material 5. This is to bring the protective material 5 and the joint terminal 1 into close contact,
This is to prevent the protective member 5 from coming off during the operation.
【００１３】次に、この保護材５を用いて電線接続部の
防水処理を行う場合の手順を図２を用いて説明する。Next, a procedure for waterproofing the electric wire connection portion using the protective material 5 will be described with reference to FIG.
【００１４】まず、図２（ａ）に示すように、一側に設
けた挿入用開口６を広げ、ここから、電線を接続したジ
ョイント端子１を挿入し保護材５の凹部にはめこみ
（ｂ）のようにする。ついで、（ｃ）に示すようにホッ
トメルト塗布の場合は、ドライヤー８でホットメルトを
溶融させて保護材５をジョイント端子１の外周に密着さ
せる。接着剤使用の場合は（ｃ）の工程は省略する。そ
の後、（ｄ）に示すように保護材５を含めて防水シート
（保護シート）４で電線接続部を覆い、プレス圧着又は
超音波溶着等の手段により保護シート４で接続部をモー
ルドし、（ｅ）に示すような防水機能を備えた電線接続
部１０を得る。First, as shown in FIG. 2A, the insertion opening 6 provided on one side is widened, and the joint terminal 1 to which the electric wire is connected is inserted from here, and is inserted into the recess of the protective material 5 (b). Like Next, in the case of hot-melt coating as shown in (c), the hot-melt is melted by a drier 8 and the protective material 5 is brought into close contact with the outer periphery of the joint terminal 1. In the case of using an adhesive, the step (c) is omitted. Thereafter, as shown in (d), the wire connection portion is covered with a waterproof sheet (protection sheet) 4 including the protection material 5, and the connection portion is molded with the protection sheet 4 by means such as press bonding or ultrasonic welding. An electric wire connection portion 10 having a waterproof function as shown in e) is obtained.
【００１５】この場合、保護材５の装着は、挿入用開口
６を広げ、ここからジョイント端子１を挿入するだけで
すむから作業が簡単にすむ。また、保護材５がジョイン
ト端子１と密着するため、シール性が向上する上、出来
上がった電線接続部が肥大化しない。In this case, the work for mounting the protective material 5 is simple because the insertion opening 6 is widened and the joint terminal 1 is inserted from here. In addition, since the protective material 5 is in close contact with the joint terminal 1, the sealing performance is improved, and the completed wire connection portion does not become large.
【００１６】次に、本考案の第２実施例を説明する。Next, a second embodiment of the present invention will be described.
【００１７】上記第１実施例では、単にテープやチュー
ブの代わりをする保護材５について示したが、第２実施
例の保護材１５は、従来の保護シート４の機能をも併せ
持つものである。この保護材１５は、ジョイント端子１
と、その両側の接続電線をも十分に覆う大きさに形成さ
れている。In the above-described first embodiment, the protection member 5 which simply replaces the tape or the tube is shown. However, the protection member 15 of the second embodiment has the function of the conventional protection sheet 4 together. This protective material 15 is a joint terminal 1
And, it is formed in a size that sufficiently covers the connection wires on both sides thereof.
【００１８】図３に保護材１５の外観、図４に同保護材
１５の連結部１９を除いて、その上板部１５Ａと下板部
１５Ｂの内面形状を示す。この保護材１５は、弾性材料
より成形されたもので、一側に電線挿入用開口１６を有
する断面略コ字状に形成されている。保護材１５には互
いに対向する上板部１５Ａと下板部１５Ｂが備わってお
り、各内面にはジョイント端子１の外面形状に対応した
形の凹部１７Ａ、１７Ｂと、接続電線の嵌まる電線引き
出し溝１８Ａ、１８Ｂがそれぞれ形成されている。FIG. 3 shows the external appearance of the protective member 15, and FIG. 4 shows the inner surfaces of the upper plate 15A and the lower plate 15B except for the connecting portion 19 of the protective member 15. The protection member 15 is formed of an elastic material, and has a substantially U-shaped cross section having an electric wire insertion opening 16 on one side. The protection member 15 includes an upper plate portion 15A and a lower plate portion 15B facing each other, concave portions 17A and 17B having a shape corresponding to the outer surface shape of the joint terminal 1 on each inner surface, and an electric wire drawer into which the connection electric wire is fitted. Grooves 18A and 18B are formed respectively.
【００１９】この保護材１５を用いる場合、電線挿入用
開口１６を広げ、ここから電線及びジョイント端子を挿
入して、電線及びジョイント端子をそれぞれ電線引き出
し溝１８Ａ、１８Ｂ、凹部１７Ａ、１７Ｂに収容する。
そして、その状態で圧縮しながら、接着あるいは超音波
溶着してジョイント端子とその両側の露出導体とを一体
にモールドする。When this protective material 15 is used, the electric wire insertion opening 16 is widened, the electric wire and the joint terminal are inserted from here, and the electric wire and the joint terminal are accommodated in the wire drawing grooves 18A and 18B and the concave portions 17A and 17B, respectively. .
Then, while being compressed in this state, the joint terminal and the exposed conductors on both sides thereof are integrally molded by bonding or ultrasonic welding.
【００２０】この保護材１５の場合は、上記第１実施例
の保護材と同様に、装着の手間がかからず、シール性の
向上、肥大化の防止を図ることができる。また、保護シ
ートが不要であり、作業性が一段と向上する。In the case of the protective member 15, as in the case of the protective member of the first embodiment, the mounting work is not required, and the sealing property can be improved and the enlargement can be prevented. Further, a protective sheet is not required, and workability is further improved.
【００２１】[0021]
【考案の効果】以上説明したように、本考案の保護材
は、一側に設けた開口を広げここから、電線を接続した
ジョイント端子を挿入するだけで、ジョイント端子の外
周に隙間無くぴったりと嵌まるので、テープ巻きのよう
な面倒な作業が省略できる。また、保護材とジョイント
端子との間にほとんど隙間ができなくなるので、高いシ
ール性を確保することができる。さらに、一旦装着した
ら膨らむことがないため、電線接続部の肥大化のおそれ
もない。[Effects of the Invention] As described above, the protective material of the present invention is such that the opening provided on one side is widened, and the joint terminal to which the electric wire is connected is simply inserted from here, and the outer periphery of the joint terminal is tightly fitted without any gap. Since it fits, troublesome work such as tape winding can be omitted. Further, since almost no gap is formed between the protective member and the joint terminal, high sealing performance can be ensured. Further, since the wire connection does not swell once it is mounted, there is no possibility that the wire connection portion will be enlarged.
【図１】本考案の第１実施例の説明図であり、（ａ）は
実施例の保護材の外観図、（ｂ）は該保護材で覆う対象
のジョイント端子の外観図、（ｃ）は実施例の保護材の
側面図である。FIGS. 1A and 1B are explanatory views of a first embodiment of the present invention, wherein FIG. 1A is an external view of a protective material of the embodiment, FIG. 1B is an external view of a joint terminal to be covered with the protective material, and FIG. FIG. 2 is a side view of the protective member of the embodiment.
【図２】上記第１実施例の保護材を用いて電線接続部の
防水処理を行う場合の工程説明図である。FIG. 2 is an explanatory diagram of a process in a case where a waterproofing process is performed on an electric wire connection portion using the protective material of the first embodiment.
【図３】本考案の第２実施例の保護材の外観図である。FIG. 3 is an external view of a protective member according to a second embodiment of the present invention.
【図４】上記第２実施例の保護材の内面形状を示す図で
あり、（ａ）は上板部の内面を示す図、（ｂ）は下板部
の内面を示す図である。FIGS. 4A and 4B are diagrams showing an inner surface shape of the protection member of the second embodiment, wherein FIG. 4A is a diagram showing an inner surface of an upper plate portion, and FIG. 4B is a diagram showing an inner surface of a lower plate portion.
【図５】従来の電線接続部の防水処理の一例の手順を示
す工程図である。FIG. 5 is a process chart showing a procedure of an example of a conventional waterproofing treatment of an electric wire connection portion.
【図６】従来の電線接続部の防水処理の他の例の手順を
示す工程図である。FIG. 6 is a process diagram showing a procedure of another example of a conventional waterproofing process of an electric wire connection portion.
【図７】従来の電線接続部の外力に対する説明図であ
る。FIG. 7 is an explanatory view of a conventional electric wire connection portion with respect to an external force.
１ ジョイント端子 ５、１５ 保護材 1 Joint terminal 5, 15 Protective material
Claims (1)
うに設けられる電線接続部の保護材において、弾性材料
により、一側に前記ジョイント端子挿入用開口を持つ断
面コ字状に成形され、かつ内面には凹部を有するように
成形され、該凹部は、その幅Ｌ1 ，高さＬ2 ，天井部曲
率Ｒ1 及び長さが前記ジョイント端子の外面の幅
Ｌ1 ′，高さＬ2 ′，天井部曲率Ｒ1 ′及び長さよりわ
ずかに大きくなるように、前記ジョイント端子の外面形
状に合致する略同形状に成形されてなることを特徴とす
る電線接続部の保護材。1. A protective material for an electric wire connection portion provided to cover a joint terminal to which a conductor is connected, wherein the inner surface is formed of an elastic material into a U-shaped cross section having the joint terminal insertion opening on one side. Is formed so as to have a concave portion, and the concave portion has a width L 1 , a height L 2 , a curvature R 1 of the ceiling portion, and a length L 1 ′, a height L 2 ′ of the outer surface of the joint terminal. A protective material for an electric wire connection part, which is formed in substantially the same shape that matches the outer surface shape of the joint terminal so as to be slightly larger than the curvature R 1 ′ and the length of the ceiling part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991103560U JP2593821Y2 (en) | 1991-12-16 | 1991-12-16 | Protective material for wire connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991103560U JP2593821Y2 (en) | 1991-12-16 | 1991-12-16 | Protective material for wire connection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0553139U JPH0553139U (en) | 1993-07-13 |
| JP2593821Y2 true JP2593821Y2 (en) | 1999-04-19 |
Family
ID=14357203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1991103560U Expired - Fee Related JP2593821Y2 (en) | 1991-12-16 | 1991-12-16 | Protective material for wire connection |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2593821Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5606267B2 (en) * | 2010-10-26 | 2014-10-15 | 矢崎総業株式会社 | Waterproofing and anticorrosion methods for electric wires with terminals |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6334219Y2 (en) * | 1980-03-14 | 1988-09-12 | ||
| JPH0136305Y2 (en) * | 1985-01-10 | 1989-11-06 |
-
1991
- 1991-12-16 JP JP1991103560U patent/JP2593821Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0553139U (en) | 1993-07-13 |
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