JPH0927221A - Water-proof binding method for wire - Google Patents
Water-proof binding method for wireInfo
- Publication number
- JPH0927221A JPH0927221A JP7173505A JP17350595A JPH0927221A JP H0927221 A JPH0927221 A JP H0927221A JP 7173505 A JP7173505 A JP 7173505A JP 17350595 A JP17350595 A JP 17350595A JP H0927221 A JPH0927221 A JP H0927221A
- Authority
- JP
- Japan
- Prior art keywords
- electric wires
- waterproof
- sealing material
- base material
- binding
- 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
- Installation Of Indoor Wiring (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、複数の電線を結束
する電線の防水結束方法に係り、特に、電線の結束部に
おいて充分な防水性能を確保することができる電線の防
水結束方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof binding method for electric wires for binding a plurality of electric wires, and more particularly to a waterproof binding method for electric wires capable of ensuring sufficient waterproof performance at a binding portion of the electric wires. is there.
【０００２】[0002]
【従来の技術】複数の電線の防水結束方法としては、例
えば、ＵＳＰ．５３７８８９７に記載のものがある。か
かる防水結束方法では、熱収縮性のチューブ内に、複数
の電線と、熱可塑性の接着剤としての基材に磁性粉体を
混合してなる非導電性の封止材とを位置させから、その
チューブを予備熱収縮させ、その後、封止材に高周波を
かけて交流磁界内において磁性体を誘導加熱し、その発
熱によって基材を溶解させて複数の電線を結束する。こ
のような防水結束方法では、封止材の基材が複数の電線
の間に浸透するために、電線の結束部における防水性能
が高くなる。2. Description of the Related Art As a waterproof binding method for a plurality of electric wires, for example, USP. There is one described in 5378897. In such a waterproof binding method, in the heat-shrinkable tube, a plurality of electric wires and a non-conductive encapsulant formed by mixing magnetic powder with a base material as a thermoplastic adhesive are positioned, The tube is pre-heat-shrinked, and then a high frequency is applied to the sealing material to inductively heat the magnetic body in an alternating magnetic field, and the heat generation melts the base material to bind a plurality of electric wires. In such a waterproof binding method, since the base material of the sealing material penetrates between the plurality of electric wires, the waterproof performance at the binding portion of the electric wires is improved.
【０００３】従来、自動車のエンジンルームと車室との
間を仕切るダッシュボードの穴などに通される複数の電
線は、それらの電線の相互間からの水の浸入を防ぐため
に、上記のような封止材を用いて結束された上、その結
束部分がグロメットによってダッシュボードの穴などに
取り付けられている。図６は、このような自動車用の電
線を結束する従来の防水結束方法の手順を説明するため
の図である。Conventionally, a plurality of electric wires, which are passed through holes of a dashboard partitioning an engine room and a vehicle compartment of an automobile, have the above-mentioned structure in order to prevent water from entering between the electric wires. After being bound with a sealing material, the bound portion is attached to a hole or the like of the dashboard by a grommet. FIG. 6 is a diagram for explaining a procedure of a conventional waterproof binding method for binding such electric wires for an automobile.
【０００４】まず、図６（ａ）のように結束すべき複数
の電線１をまとめ、それらを同図（ｂ）のように熱収縮
性のチューブ２内に通す。３は、電線１の端部に取り付
けられたコネクタである。その後、同図（ｃ）のよう
に、複数の電線１の結束予定部位に、熱可塑性の接着剤
としの基材に磁性粉体を混合してなる非導電性の封止材
４を取り付けてから、それらの電線１の結束予定部位ま
でチューブ２をずらして位置決めする。そして、チュー
ブ２に熱風などをかけ、それを同図（ｄ）のように予備
熱収縮させて、複数の電線１の結束予定部位の外周を拘
束する。それから、封止材４に高周波をかけて、交流磁
界内において磁性粉体を誘導加熱すると同時にチューブ
２を本熱収縮させ、その発熱によって基材を溶解させて
複数の電線１を防水結束する（同図（ｅ））。封止材４
の基材は、複数の電線１の間に溶解して浸透することに
よって、それらの電線１間をシールし防水する。その
後、同図（ｆ）のようにチューブ２の外周部にグロメッ
ト５を装着してから、同図（ｇ）のようにチューブ２と
グロメット５との間にテープ６を巻き付けて、それらの
間をシールする。グロメット５の外周部には図示しない
環状溝が形成されており、その環状溝が自動車のダッシ
ュボードの穴の周縁部などにはめ付けられるようになっ
ている。First, as shown in FIG. 6 (a), a plurality of electric wires 1 to be bound are put together and passed through a heat-shrinkable tube 2 as shown in FIG. 6 (b). Reference numeral 3 is a connector attached to the end of the electric wire 1. After that, as shown in FIG. 3C, a non-conductive sealing material 4 made by mixing magnetic powder with a base material serving as a thermoplastic adhesive is attached to the planned binding portions of the plurality of electric wires 1. From the above, the tube 2 is displaced and positioned to the planned binding portion of the electric wires 1. Then, hot air or the like is applied to the tube 2 to pre-heat-shrink it as shown in FIG. 1D, and the outer periphery of the planned binding portion of the plurality of electric wires 1 is restrained. Then, a high frequency is applied to the sealing material 4 to inductively heat the magnetic powder in the alternating magnetic field, and at the same time, the tube 2 is fully thermally contracted, and the heat is generated to melt the base material and waterproofly bind the plurality of electric wires 1 ( The same figure (e)). Sealing material 4
The base material dissolves and permeates between the plurality of electric wires 1 to seal and waterproof the electric wires 1. After that, the grommet 5 is attached to the outer peripheral portion of the tube 2 as shown in FIG. 6F, and then the tape 6 is wound between the tube 2 and the grommet 5 as shown in FIG. Seal. An annular groove (not shown) is formed on the outer peripheral portion of the grommet 5, and the annular groove is fitted to a peripheral portion of a hole of a dashboard of an automobile or the like.
【０００５】[0005]
【発明が解決しようとする課題】ところが、上記従来の
防水結束方法では、電線１の結束予定部位へのチューブ
２の位置決めと、その予備熱収縮を行ってから、封止材
４を誘導加熱することになるため、封止材４を取付けて
から、それを誘導加熱するまでに多くの待ち時間があっ
た。そのため、電線１の結束作業に長時間を要し、また
チューブ２を必要とする分、材料費が嵩むという問題が
あった。However, in the above-mentioned conventional waterproof bundling method, the sealing material 4 is induction-heated after the tube 2 is positioned at the planned binding portion of the electric wire 1 and its preliminary heat shrinkage is performed. Therefore, there was a lot of waiting time from the attachment of the sealing material 4 to the induction heating of the sealing material 4. Therefore, there is a problem that it takes a long time to bind the electric wires 1 and the material cost increases because the tube 2 is required.
【０００６】本発明の目的は、結束作業時間を大幅に短
縮すると共に、材料費を削減することができる電線の防
水結束方法を提供することにある。It is an object of the present invention to provide a waterproof binding method for electric wires which can significantly reduce the binding time and material costs.
【０００７】[0007]
【課題を解決するための手段】本発明の電線の防水結束
方法は、複数の電線を結束する電線の防水結束方法にお
いて、加圧復元力を持つ材料からなる部材を用い、前記
部材の内部に、前記複数の電線と、熱可塑性の基材に磁
性体を混合してなる封止材とを圧入してから、前記封止
材の磁性体を誘導加熱し、その発熱によって前記基材を
溶解させて前記複数の電線を防水結束することを特徴と
する。The waterproof electric wire binding method of the present invention is a waterproof electric wire binding method for binding a plurality of electric wires, wherein a member made of a material having a pressure restoring force is used and After press-fitting the plurality of electric wires and a sealing material formed by mixing a magnetic material into a thermoplastic base material, the magnetic material of the sealing material is induction-heated, and the heat generation melts the base material. The plurality of electric wires are waterproofly bound.
【０００８】本発明の電線の防水結束方法によれば、加
圧復元力を持つ材料からなる部材の内部に、複数の電線
と、熱可塑性の基材に磁性体を混合してなる非導電性の
封止材とを圧入してから、交流磁界内において封止材の
磁性体を誘導加熱し、その発熱によって基材を溶解させ
て複数の電線を結束する。According to the method for waterproof binding of electric wires of the present invention, a plurality of electric wires and a non-conductive material obtained by mixing a magnetic material with a thermoplastic substrate are provided inside a member made of a material having a pressure restoring force. After press-fitting with the sealing material, the magnetic body of the sealing material is induction-heated in an alternating magnetic field, and the heat is used to melt the base material to bind a plurality of electric wires.
【０００９】[0009]
【発明の実施の形態】以下、本発明の実施例を図１から
図５に基づいて説明する。なお、前述した従来例と同様
の部分には同一符号を付して、その説明を省略する。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to FIGS. The same parts as those in the conventional example described above are designated by the same reference numerals, and the description thereof will be omitted.
【００１０】図１は、本実施例による電線１の防水結束
方法の手順を説明するための図であり、まず、図１
（ａ）のように結束すべき複数の電線１をまとめてか
ら、同図（ｂ）のように、複数の電線１の結束予定部位
に封止材４、つまり熱可塑性の接着剤としての基材に磁
性体を混合してなる非導電性の封止材４を取り付ける。
封止材４の基材は非磁性の非導電性材料とされており、
その具体例については後述する。また、本例の封止材４
は、図２のような櫛状に成型されたブロックとされてお
り、その複数の溝部４Ａ内に電線１の結束予定部位を挿
入して保持する。そして、結束対象の全ての電線１を図
３のように複数の封止材４によって保持する。FIG. 1 is a view for explaining the procedure of a waterproof binding method for electric wires 1 according to this embodiment. First, FIG.
After assembling a plurality of electric wires 1 to be bundled as shown in (a), as shown in (b) of the figure, a sealing material 4, that is, a base as a thermoplastic adhesive is provided at a planned binding portion of the plurality of electric wires 1. A non-conductive encapsulating material 4 formed by mixing a magnetic material with the material is attached.
The base material of the sealing material 4 is a non-magnetic non-conductive material,
A specific example thereof will be described later. In addition, the sealing material 4 of this example
Is a block formed in a comb shape as shown in FIG. 2, and the planned binding portion of the electric wire 1 is inserted and held in the plurality of groove portions 4A. Then, all the electric wires 1 to be bound are held by a plurality of sealing materials 4 as shown in FIG.
【００１１】その後、図１（ｃ）のように、電線１の結
束予定部位の外周に、加圧復元力を持つ材料からなる部
材として耐熱ゴム製の弾性グロメット７をはめ合わせ、
そのグロメット７の円筒状の胴部７Ａの弾性収縮力によ
って、図３のように電線１の結束予定部位の外周を加圧
して拘束する。そして、グロメット７の外方から封止材
４に、本例の場合には高周波をかけ、交流磁界内におい
て磁性体を誘導加熱し、その発熱によって基材を溶解さ
せると同時に、グロメット７の胴部７Ａの弾性収縮力に
より、溶解した基材を加圧して電線１の間に流し込んで
複数の電線１を結束する（図１（ｄ））。グロメット７
の成形材料としては、クロロプレンゴム、ＥＰＤＭ（エ
チレン−プロピレン−ジエンターポリマー）ゴム、イソ
プレンゴム、またはシリコンゴムなどを用いることがで
きる。Thereafter, as shown in FIG. 1 (c), an elastic grommet 7 made of heat-resistant rubber is fitted to the outer periphery of the binding planned portion of the electric wire 1 as a member made of a material having a pressure restoring force,
The elastic contraction force of the cylindrical body portion 7A of the grommet 7 pressurizes and restrains the outer periphery of the planned binding portion of the electric wire 1 as shown in FIG. Then, in the present example, a high frequency is applied to the sealing material 4 from the outside of the grommet 7 to inductively heat the magnetic body in an alternating magnetic field, and the heat generated thereby melts the base material, and at the same time, the body of the grommet 7 is melted. Due to the elastic contraction force of the portion 7A, the melted base material is pressed and poured between the electric wires 1 to bind the plurality of electric wires 1 (FIG. 1 (d)). Grommet 7
As a molding material of, chloroprene rubber, EPDM (ethylene-propylene-diene terpolymer) rubber, isoprene rubber, silicone rubber, or the like can be used.
【００１２】本例では、図３のように、コイル８によっ
て生じさせる交流磁界内に電線１の結束予定部位を位置
させる。封止材４としては、例えば、ポリエチレン、ポ
リアミド、エチレンビニルアセテート、あるいはそれら
の混合物などの熱可塑性ポリマーからなる接着材の基材
に、磁性体としてニッケル、ニッケルとアルミニウムの
合金、あるいはフェライトのような強磁性体を分散させ
たものを用いることができ、交流磁界内において生じる
強磁性体の渦電流およびヒステリシスの損失によって、
その強磁性体をキューリー点まで自己発熱させ、その熱
によって封止材４の基材を溶解させる。封止材４は、磁
性体を０．１％〜５０％含むことが好ましい。In this example, as shown in FIG. 3, the portion of the electric wire 1 to be bound is positioned in the alternating magnetic field generated by the coil 8. Examples of the sealing material 4 include a base material of an adhesive material made of a thermoplastic polymer such as polyethylene, polyamide, ethylene vinyl acetate, or a mixture thereof, and a magnetic material such as nickel, an alloy of nickel and aluminum, or ferrite. It is possible to use a dispersion of various ferromagnetic materials, and the loss of the eddy current and hysteresis of the ferromagnetic material generated in the alternating magnetic field
The ferromagnetic material is self-heated to the Curie point, and the heat causes the base material of the sealing material 4 to melt. The sealing material 4 preferably contains 0.1% to 50% of a magnetic material.
【００１３】溶解された封止材４の基材は、図４のよう
に電線１の間に浸透することによって、それらの電線１
の間をシールし防水する。グロメット７の胴部７Ａは、
その弾性収縮力よって、電線１の間への封止材４の基材
の浸透を促進すると共に、図４のように断面円筒状に復
元して電線１の結束部を断面円形に規制する。The melted base material of the sealing material 4 permeates between the electric wires 1 as shown in FIG.
Seal the space between them to make them waterproof. The body portion 7A of the grommet 7 is
The elastic contracting force promotes the penetration of the base material of the sealing material 4 into the space between the electric wires 1 and restores the cylindrical shape in cross section as shown in FIG. 4 to regulate the binding portion of the electric wire 1 to have a circular cross section.
【００１４】その後、図１（ｅ）のように、グロメット
７の胴部７Ａと電線１の境界部の外周にテープ６を巻き
付けて、それら境界部のシール性を確保する。Thereafter, as shown in FIG. 1 (e), the tape 6 is wrapped around the outer periphery of the boundary between the body portion 7A of the grommet 7 and the electric wire 1 to ensure the sealing property of these boundaries.
【００１５】図５は、自動車のダッシュボード１０の穴
１０Ａに取り付けられるグロメット７の構成例を示し、
その外周部には環状の溝７Ｂが形成されており、穴１０
Ａの内周縁部に、その溝７Ｂが弾性的にはまり合うよう
になっている。FIG. 5 shows an example of the structure of the grommet 7 attached to the hole 10A of the dashboard 10 of the automobile,
An annular groove 7B is formed on the outer periphery of the hole 10B.
The groove 7B is elastically fitted to the inner peripheral edge of A.
【００１６】[0016]
【発明の効果】以上説明したように、本発明の電線の防
水結束方法は、加圧復元力を持つ材料からなる部材を用
い、その部材の内部に、複数の電線と、熱可塑性の基材
に導電性の磁性体を混合してなる非導電性の封止材とを
圧入してから、交流磁界内において封止材の磁性体を誘
導加熱し、その発熱によって基材を溶解させて複数の電
線を結束するから、複数の電線をチューブ内にて予め結
束させる従来の防水結束方法に比して、そのチューブが
不要となる分、材料費を２／３程度に削減することがで
きると共に、そのチューブの熱収縮を待ってから封止材
を誘導加熱するまでの待ち時間がなくなり、しかもチュ
ーブの取付けの手間もなくなるため、作業時間を１／３
程度に大幅に短縮することができる。As described above, the waterproof binding method for electric wires according to the present invention uses a member made of a material having a pressure restoring force, and a plurality of electric wires and a thermoplastic base material inside the member. After press-fitting a non-conductive encapsulant made by mixing an electrically conductive magnetic substance with the above, the magnetic substance of the encapsulant is induction-heated in an AC magnetic field, and the heat generated melts the base material As compared with the conventional waterproof bundling method of bundling a plurality of electric wires in a tube in advance, since the tube is unnecessary, the material cost can be reduced to about ⅔ as well. , The waiting time from the heat shrinkage of the tube to the induction heating of the sealing material is eliminated, and the labor of installing the tube is eliminated, so the working time is 1/3.
It can be shortened significantly.
【００１７】また、加圧復元力を持つ材料からなる部材
の復元力によって、複数の電線の結束予定部位を拘束す
るため、封止材を誘導加熱によって溶解させたときに、
それを複数の電線の間に加圧浸透させて電線の間を充分
にシールし防水することができ、しかも電線の結束部の
形状を上記部材の内部の断面形状に応じた断面円形等に
規制することができる。Further, since the restoring force of the member made of a material having a pressure restoring force restrains the planned binding portion of the plurality of electric wires, when the sealing material is melted by induction heating,
It can be pressurized and permeated between multiple wires to seal them sufficiently for waterproofing, and the shape of the binding part of the wires is restricted to a circular cross section according to the internal cross-sectional shape of the member. can do.
【図１】本発明の一実施例による電線の防水結束方法の
手順の説明図である。FIG. 1 is an explanatory diagram of a procedure of a waterproof binding method for electric wires according to an embodiment of the present invention.
【図２】図１の防水結束方法に用いられる封止材の拡大
断面図である。2 is an enlarged cross-sectional view of a sealing material used in the waterproof binding method of FIG.
【図３】図１のグロメット装着後における封止材の誘導
加熱前の状態を説明するための拡大断面図である。FIG. 3 is an enlarged cross-sectional view for explaining a state before induction heating of the sealing material after the grommet of FIG. 1 is attached.
【図４】図１の封止材の誘導加熱後の状態を説明するた
めの拡大断面図である。FIG. 4 is an enlarged cross-sectional view for explaining a state of the sealing material of FIG. 1 after induction heating.
【図５】図１のグロメットの取付け形態の一例を説明す
るための側面図である。FIG. 5 is a side view for explaining an example of a mounting form of the grommet shown in FIG.
【図６】従来の電線の防水結束方法の手順の説明図であ
る。FIG. 6 is an explanatory diagram of a procedure of a conventional waterproof binding method for electric wires.
【符号の説明】 １ 電線 ４ 封止材 ７ グロメット（部材） ６ テープ[Explanation of symbols] 1 electric wire 4 sealing material 7 grommet (member) 6 tape
Claims (7)
法において、 加圧復元力を持つ材料からなる部材を用い、 前記部材の内部に、前記複数の電線と、熱可塑性の基材
に磁性体を混合してなる封止材とを圧入してから、 前記封止材の磁性体を誘導加熱し、その発熱によって前
記基材を溶解させて前記複数の電線を防水結束すること
を特徴とする電線の防水結束方法。1. A waterproof electric wire binding method for binding a plurality of electric wires, wherein a member made of a material having a pressure restoring force is used, and the plurality of electric wires and a thermoplastic base material are magnetized inside the member. After press-fitting a sealing material formed by mixing the bodies, the magnetic material of the sealing material is induction-heated, and the heat is used to melt the base material to waterproofly bind the plurality of electric wires. How to tie wires together for waterproofing.
前記部材の復元力を利用して、前記封止材の基材を前記
複数の電線の相互間に浸透させることを特徴とする請求
項１に記載の電線の防水結束方法。2. When the base material of the sealing material is dissolved,
The waterproof wire binding method according to claim 1, wherein the base material of the encapsulant is permeated between the plurality of electric wires by utilizing the restoring force of the member.
れた櫛状の封止材を用い、 該櫛状の封止材の複数の溝部内に前記複数の電線を保持
してから、該櫛状の封止材を前記部材の内部に圧入する
ことを特徴とする請求項１または２に記載の電線の防水
結束方法。3. A comb-shaped sealing material having a plurality of grooves formed therein is used as the sealing material, and the plurality of electric wires are held in the plurality of grooves of the comb-shaped sealing material. The waterproof binding method for electric wires according to claim 1 or 2, wherein the comb-shaped sealing material is press-fitted inside the member.
徴とする請求項１から３のいずれかに記載の電線の防水
結束方法。4. The method of waterproof binding of electric wires according to claim 1, wherein the member is made of an elastic material.
ンゴム、ＥＰＤＭゴム、イソプレンゴム、シリコンゴム
のいずれか１つから選ばれることを特徴とする請求項４
に記載の電線の防水結束方法。5. The elastic material of the member is selected from any one of chloroprene rubber, EPDM rubber, isoprene rubber, and silicone rubber.
The method for waterproof binding of electric wires described in.
ン、ポリアミド、エチレンビニルアセテートのいずれか
１つまたはそれらの混合物から選ばれ、前記磁性体がニ
ッケル、ニッケルとアルミニウムの合金、フェライトの
いずれか１つから選ばれることを特徴とする請求項１か
ら５のいずれかに記載の電線の防水結束方法。6. The encapsulating material, wherein the base material is selected from polyethylene, polyamide, ethylene vinyl acetate, or a mixture thereof, and the magnetic material is nickel, an alloy of nickel and aluminum, or ferrite. 6. The waterproof electric wire binding method according to any one of claims 1 to 5, wherein the waterproof electric wire binding method is selected from the following.
電線を結束させた後、前記部材と前記複数の電線との境
界部の外周にテープを巻き付けることを特徴とする請求
項１から６のいずれかに記載の電線の防水結束方法。7. The tape is wound around the outer periphery of the boundary between the member and the plurality of electric wires after the base material of the sealing material is melted to bind the plurality of electric wires. 7. The waterproof binding method for electric wires according to any one of 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7173505A JPH0927221A (en) | 1995-07-10 | 1995-07-10 | Water-proof binding method for wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7173505A JPH0927221A (en) | 1995-07-10 | 1995-07-10 | Water-proof binding method for wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0927221A true JPH0927221A (en) | 1997-01-28 |
Family
ID=15961776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7173505A Pending JPH0927221A (en) | 1995-07-10 | 1995-07-10 | Water-proof binding method for wire |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0927221A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006085950A (en) * | 2004-09-14 | 2006-03-30 | Dainichiseika Color & Chem Mfg Co Ltd | Electric wire bundling method |
| JP2006120475A (en) * | 2004-10-22 | 2006-05-11 | Dainichiseika Color & Chem Mfg Co Ltd | Electric wire tying method |
| JP2008282720A (en) * | 2007-05-11 | 2008-11-20 | Yazaki Corp | Water stopping structure of wire and water stopping method of wire |
| US20190043645A1 (en) * | 2017-08-02 | 2019-02-07 | Yazaki Corporation | Wire bonding method |
-
1995
- 1995-07-10 JP JP7173505A patent/JPH0927221A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006085950A (en) * | 2004-09-14 | 2006-03-30 | Dainichiseika Color & Chem Mfg Co Ltd | Electric wire bundling method |
| JP2006120475A (en) * | 2004-10-22 | 2006-05-11 | Dainichiseika Color & Chem Mfg Co Ltd | Electric wire tying method |
| JP2008282720A (en) * | 2007-05-11 | 2008-11-20 | Yazaki Corp | Water stopping structure of wire and water stopping method of wire |
| US20190043645A1 (en) * | 2017-08-02 | 2019-02-07 | Yazaki Corporation | Wire bonding method |
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