JP3116837B2 - Grommet waterproof structure and waterproofing method - Google Patents
Grommet waterproof structure and waterproofing methodInfo
- Publication number
- JP3116837B2 JP3116837B2 JP08255018A JP25501896A JP3116837B2 JP 3116837 B2 JP3116837 B2 JP 3116837B2 JP 08255018 A JP08255018 A JP 08255018A JP 25501896 A JP25501896 A JP 25501896A JP 3116837 B2 JP3116837 B2 JP 3116837B2
- Authority
- JP
- Japan
- Prior art keywords
- putty
- putty layer
- grommet
- wire
- peripheral surface
- 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
- Insulating Bodies (AREA)
- Installation Of Indoor Wiring (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、自動車の車体パネ
ル等の貫通穴にワイヤハーネスを挿通した状態で装着す
るグロメットの防水構造および防水方法に関し、詳しく
は、液状硬化性のシール剤を使用することなくグロメッ
トの防水を図るもので、作業性を向上すると共に、コス
トを削減できるようにするものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof structure and a waterproof method for a grommet to be mounted in a state where a wire harness is inserted into a through hole of a vehicle body panel or the like. The purpose of the present invention is to make the grommet waterproof without improving the workability and reducing the cost.
【０００２】[0002]
【従来の技術】自動車用ワイヤハーネスを、エンジンル
ーム側から車体パネルの貫通穴を貫通させて室内側へ配
線する場合、円筒形状の小径筒部と拡径した大径筒部と
を連通して形成した電線挿通部を有するゴム製のグロメ
ットにワイヤハーネスを挿通させ、この状態でグロメッ
トを貫通穴に装着して防水を図っている。2. Description of the Related Art When an automobile wire harness is wired from the engine room side through the through hole of a vehicle body panel to the interior side, a cylindrical small-diameter cylindrical portion and an enlarged large-diameter cylindrical portion are communicated with each other. The wire harness is inserted through a rubber grommet having the formed wire insertion portion, and in this state, the grommet is attached to the through hole to achieve waterproofing.
【０００３】このグロメットの防水性を高めるため、グ
ロメット内に液状硬化性のシール剤を充填し、該シール
剤を電線間に浸透させるようにしたものが種々提案され
ている（例えば特開平６−２２３６１１号公報）。[0003] In order to enhance the waterproofness of the grommet, there have been proposed various types of grommet in which a liquid curable sealing agent is filled into the grommet and the sealing agent is allowed to penetrate between electric wires (for example, Japanese Patent Application Laid-Open No. Hei 6-1994). No. 223611).
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記シ
ール剤を使用するものは、図４に示すように、ワイヤハ
ーネスＷ／Ｈを挿通したグロメット１を垂直に保持した
状態で、グロメット１内にシール剤３を定量づつ注入す
る設備が必要となる。而もグロメット１内に充填された
シール剤３が固化するまでの間、グロメット１を垂直状
態を維持したまま所定時間放置しておかねばならず、そ
の放置スペースが必要となり、相当な設備コストを要す
ると共に、その生産性も悪い等の問題があった。However, in the case of using the above-mentioned sealant, as shown in FIG. 4, the grommet 1 having the wire harness W / H inserted therein is held vertically while the grommet 1 is sealed in the grommet 1. Equipment for injecting the agent 3 by a fixed amount is required. In addition, the grommet 1 must be left standing for a predetermined period of time while maintaining the vertical state until the sealing agent 3 filled in the grommet 1 solidifies. In addition, there were problems such as poor productivity.
【０００５】また、該シール剤３は電線間の隙間まで充
分に入り込むことができるように、低粘度で流動性の高
いものを使用するため、グロメット１の下端の小径筒部
４の外周面には、該小径筒部４からのシール剤３のモレ
を防止するため約１００ 以上の範囲にわたってテープ
Ｔをハーフラップ状に巻装している。このため、小径筒
部４側におけるワイヤハーネスＷ／Ｈが肥大化すると共
に、屈曲性が悪くなって配索の自由度が低下し、テープ
巻きのための作業を別途必要とするため、作業性の面で
も多くの手間を要していた。Since the sealant 3 is of low viscosity and has high fluidity so that it can sufficiently penetrate into the gap between the electric wires, the sealant 3 is provided on the outer peripheral surface of the small diameter cylindrical portion 4 at the lower end of the grommet 1. Has a tape T wound in a half-wrap shape over a range of about 100 or more in order to prevent leakage of the sealant 3 from the small-diameter cylindrical portion 4. For this reason, the wire harness W / H on the side of the small-diameter cylindrical portion 4 is enlarged, the flexibility is deteriorated, the degree of freedom of wiring is reduced, and a separate work for winding the tape is required. It also took a lot of trouble in terms of
【０００６】[0006]
【課題を解決するための手段】上記課題を解決するた
め、本発明は、請求項１で、電線群からなるワイヤハー
ネスを挿通するグロメットの電線挿通部内に、電線の挿
通方向と直交する方向に円板状のスペーサーが配置さ
れ、該スペーサーの外周面に第１のパテ層が密着されて
配置され、上記電線群の電線が分散されて上記第１のパ
テ層に押し込まれ、その外周面に第２のパテ層が配置さ
れて、第１のパテ層と第２のパテ層の間に上記電線が埋
設されて貫通され、上記第２のパテ層の外周面に上記電
線挿通部の内周面が密着されていることを特徴とするグ
ロメットの防水構造を提供している。In order to solve the above-mentioned problems, the present invention is directed to a first aspect of the present invention, wherein a grommet for inserting a wire harness comprising a group of wires is inserted into a wire insertion portion in a direction perpendicular to the direction in which the wires are inserted. A disk-shaped spacer is disposed, a first putty layer is disposed in close contact with the outer peripheral surface of the spacer, and the electric wires of the electric wire group are dispersed and pushed into the first putty layer. A second putty layer is disposed, the wire is buried and penetrated between the first putty layer and the second putty layer, and an inner periphery of the wire insertion portion is provided on an outer peripheral surface of the second putty layer. It provides a grommet waterproof structure characterized in that the surfaces are in close contact.
【０００７】[0007]
【課題を解決するための手段】上記課題を解決するた
め、本発明は、請求項１で、電線群からなるワイヤハー
ネスを挿通するグロメットの電線挿通部内に、電線の挿
通方向と直交する方向に円板状のスペーサーを配置し、
該スペーサーの外周面と電線挿通部の内周面との間にパ
テ層を密着させて配置し、上記電線群の電線を分散させ
て上記パテ層の内部を貫通させていることを特徴とする
グロメットの防水構造を提供している。In order to solve the above-mentioned problems, the present invention is directed to a first aspect of the present invention, wherein a grommet for inserting a wire harness comprising a group of wires is inserted into a wire insertion portion in a direction perpendicular to the direction in which the wires are inserted. Arrange a disk-shaped spacer,
A putty layer is disposed in close contact between the outer peripheral surface of the spacer and the inner peripheral surface of the wire insertion portion, and the wires of the wire group are dispersed to penetrate the inside of the putty layer. Offers grommet waterproof structure.
【０００８】上記グロメットは、電線群の外周面に密着
する小径筒部と、中径筒部と、大径筒部とを順次連続さ
せて、それらの軸線に沿って上記電線挿通部を形成して
いるもので、上記電線が貫通したパテを外周面に巻装し
ているスペーサーを、上記中径筒部に配置している（請
求項２）。In the grommet, the small-diameter tubular portion, the medium-diameter tubular portion, and the large-diameter tubular portion that are in close contact with the outer peripheral surface of the electric wire group are successively formed, and the electric wire insertion portion is formed along the axis thereof. A spacer around which the putty through which the electric wire passes is wound around the outer peripheral surface is disposed on the middle diameter cylindrical portion (claim 2).
【０００９】上記した構成とすると、ワイヤハーネスを
構成する電線は、スペーサーにより広げられて分散した
状態で、該スペーサーの外周面に設けられたパテ層内に
貫通配置されることにより、電線間が隙間なくパテで覆
われる。そして、かかる状態でパテはその粘着性によ
り、スペーサーの外周面と電線挿通部の内周面に馴染ん
で密着するため、グロメットの小径筒部と大径筒部との
間の防水性を確保することができる。[0009] With the above configuration, the electric wires constituting the wire harness are spread through the spacer and are arranged in a putty layer provided on the outer peripheral surface of the spacer in a dispersed state, so that the distance between the electric wires is reduced. It is covered with putty without gaps. Then, in this state, the putty adheres to the outer peripheral surface of the spacer and the inner peripheral surface of the wire insertion portion due to its adhesiveness, so that waterproofness between the small-diameter tubular portion and the large-diameter tubular portion of the grommet is ensured. be able to.
【００１０】また、本発明は、請求項３で、複数の電線
からなるワイヤハーネスを、所定位置で押し広げ、その
空間部内に、帯状のパテを巻装して第１のパテ層を外周
面に配置した円板状のスペーサーを電線と直交する方向
に挿入し、上記第１のパテ層上に電線を分散して押し込
み、該第１のパテ層の外周面に帯状のパテを巻装して第
２のパテ層を配置し、該第２のパテ層に外周方向からか
ら圧力を加えて電線を第１と第２のパテ層間に埋設し、
この状態で上記ワイヤハーネスをグロメットの電線挿通
部に配置して、第２のパテ層の外周面を電線挿通部の内
周面に密着させていることを特徴とするグロメットの防
水方法を提供している。According to the present invention, a wire harness composed of a plurality of electric wires is pushed and spread at a predetermined position, and a band-shaped putty is wound in the space to form a first putty layer on an outer peripheral surface. Is inserted in the direction perpendicular to the electric wires, and the electric wires are dispersed and pushed onto the first putty layer, and a band-like putty is wound around the outer peripheral surface of the first putty layer. And placing a second putty layer, applying pressure to the second putty layer from the outer peripheral direction, and burying the wire between the first and second putty layers,
In this state, the grommet waterproofing method is provided, wherein the wire harness is disposed in the wire insertion portion of the grommet, and the outer peripheral surface of the second putty layer is adhered to the inner peripheral surface of the wire insertion portion. ing.
【００１１】上記請求項３の構成とすると、複数の電線
からなるワイヤハーネスを、スペーサーの外周面で第
１、第２のパテ層の間に分散して埋設することにより、
電線間の隙間をパテで覆って充分な防水性を確保するこ
とができる。その作業は、可塑性、粘着性を有するパテ
の特性からして、手作業のみで容易に行なうことができ
る。このように、パテの使用により液状硬化性のシール
剤を不要とすることができる。[0011] According to the structure of the third aspect, the wire harness composed of a plurality of electric wires is dispersed and embedded between the first and second putty layers on the outer peripheral surface of the spacer.
The gap between the wires can be covered with putty to ensure sufficient waterproofness. The work can be easily performed only by hand, due to the properties of the putty having plasticity and adhesiveness. Thus, the use of the putty makes it possible to eliminate the need for a liquid curable sealant.
【００１２】上記第１のパテ層の表面には、複数のスリ
ットが電線の挿通方向と平行に形成され、該スリット内
に電線を押し込むようにするのが好ましい（請求項
４）。このように、第１のパテ層の表面に、複数のスリ
ットを形成すると、スリットに案内されて各電線を分散
されることができると共に、第２のパテ層を巻装するま
で、その状態で電線を保持することができるため、作業
性を一層向上することができる。It is preferable that a plurality of slits are formed on the surface of the first putty layer in parallel with the direction in which the electric wires are inserted, and the electric wires are pushed into the slits. As described above, when a plurality of slits are formed on the surface of the first putty layer, the wires can be dispersed by being guided by the slits, and can be kept in that state until the second putty layer is wound. Since the electric wires can be held, workability can be further improved.
【００１３】[0013]
【発明の実施形態】以下、本発明の実施形態を図面を参
照して説明する。Embodiments of the present invention will be described below with reference to the drawings.
【００１４】図１に示すように、第１実施形態のグロメ
ットの防水構造は、グロメット１０の内部にスペーサー
１１を配置し、該スペーサー１１の外周面に層状に設け
られるパテ層１２を設け、該パテ層１２内にワイヤハー
ネスＷ／Ｈの電線Ｗを分散状に貫通させるようにしてい
る。As shown in FIG. 1, the grommet waterproof structure of the first embodiment has a spacer 11 disposed inside a grommet 10, and a putty layer 12 provided in a layer on the outer peripheral surface of the spacer 11. The electric wires W of the wire harness W / H penetrate the putty layer 12 in a distributed manner.
【００１５】上記グロメット１０は、ゴムまたはエラス
トマー製からなり、円筒形状の小径筒部１０ａと、該小
径筒部１０ａの一端に連続する拡径した中径筒部１０
ｃ、該中径筒部１０ｂの先端より拡径した大径筒部１０
ｂとを備え、これら各部の軸線方向に連通した内部空間
により電線挿通部１０ｆを形成している。上記大径筒部
１０ｂには、開口１０ｄ側の外周面に自動車の車体パネ
ル（図示せず）の貫通穴に係合する係止溝１０ｅを環状
に凹設している。The grommet 10 is made of rubber or an elastomer, and has a cylindrical small-diameter cylindrical portion 10a and an expanded medium-diameter cylindrical portion 10a connected to one end of the small-diameter cylindrical portion 10a.
c, the large-diameter cylindrical portion 10 expanded from the tip of the medium-diameter cylindrical portion 10b
b, and an electric wire insertion portion 10f is formed by an internal space communicating with each portion in the axial direction. In the large-diameter cylindrical portion 10b, a locking groove 10e that engages with a through hole of a vehicle body panel (not shown) is annularly formed on the outer peripheral surface on the opening 10d side.
【００１６】上記スペーサー１１は、図２（Ａ）（Ｂ）
に示すように、合成樹脂で円板状に形成しており、該ス
ペーサー１１の外径は、グロメット１０の中径筒部１０
ｃの内径よりパテ層１２の厚み分小径に設定している。
また、スペーサー１１の外周面には、図２に示すよう
に、粗面もしくは凹凸状の滑り止め部１１ａを形成し、
パテ層１２との馴染をよくしている。The spacer 11 is shown in FIGS. 2A and 2B.
As shown in the figure, the spacer 11 is formed in a disk shape with a synthetic resin.
The diameter is set smaller than the inner diameter of c by the thickness of the putty layer 12.
On the outer peripheral surface of the spacer 11, as shown in FIG. 2, a rough or uneven anti-slip portion 11a is formed.
The compatibility with the putty layer 12 is improved.
【００１７】上記パテ層１２は、可塑性および粘着性を
有するパテをスペーサー１１の外周面に配置してなる第
１のパテ層１２Ａと、該第１のパテ層１２Ａの外周面に
電線Ｗを介して配置される第２のパテ層１２Ｂから構成
している。図２（Ａ）に示すように、第１のパテ層１２
Ａは、パテをスペーサー１１と略同一幅を有する帯状に
形成し、裏面に剥離紙１２ｃを備え、表面には分散配置
すべき電線Ｗの挿通方向と平行する方向に複数のスリッ
ト１２ｄを形成した第１パテ部材１２ａから構成してい
る。第２のパテ層１２Ｂは、第１のパテ層１２Ａと同様
にパテを帯状に形成し、裏面に剥離紙１２ｃを備えた第
２パテ部材１２ｂからなり、第１パテ部材１２ａより外
周に巻装する分、長寸に形成している。なお、具体的に
は、第１、第２パテ部材１２ａ、１２ｂは、それぞれ略
３ｍｍの厚みに形成されている。The putty layer 12 includes a first putty layer 12A in which a putty having plasticity and tackiness is arranged on the outer peripheral surface of the spacer 11, and a wire W on the outer peripheral surface of the first putty layer 12A. And the second putty layer 12B. As shown in FIG. 2A, the first putty layer 12
In A, a putty was formed in a strip shape having substantially the same width as the spacer 11, a release paper 12c was provided on the back surface, and a plurality of slits 12d were formed on the front surface in a direction parallel to the insertion direction of the wires W to be dispersed and arranged. It is composed of the first putty member 12a. The second putty layer 12B is formed of a second putty member 12b provided with a release paper 12c on the back side, and is wound around the outer periphery of the first putty member 12a, similarly to the first putty layer 12A. The length is formed as much as the length. Note that, specifically, the first and second putty members 12a, 12b are each formed to a thickness of approximately 3 mm.
【００１８】次に、上記第１、第２パテ部材１２ａ、１
２ｂを用いたグロメットの防水方法について説明する。
図２（Ａ）に示すように、まず、第１パテ部材１２ａ裏
面の剥離紙１２ｃを剥して、該第１パテ部材１２ａをス
ペーサー１１の外周面に巻装して、該スペーサー１１上
に第１のパテ層１２Ａを配置する。Next, the first and second putty members 12a, 1
A grommet waterproofing method using 2b will be described.
As shown in FIG. 2A, first, the release paper 12c on the back surface of the first putty member 12a is peeled off, the first putty member 12a is wound around the outer peripheral surface of the spacer 11, and the first putty member 12a is placed on the spacer 11. One putty layer 12A is arranged.
【００１９】次いで、図３（Ａ）に示すように、ワイヤ
ハーネスＷ／Ｈの組立図板上で予め結束されたワイヤハ
ーネスＷ／Ｈを、グロメット１０の取付位置で、電線Ｗ
を押し広げて形成される空間部１３に、上記第１のパテ
層１２Ａが配置されたスペーサー１１を、電線Ｗと直行
する方向に挿入する。このとき、第１パテ部材１２ａの
表面に形成された複数のスリット１２ｄは、スペーサー
１１上での巻装状態において断面Ｖ字状に凹設された状
態となるため、このスリット１２ａ内に各電線Ｗを押し
込むようにして電線Ｗを第１のパテ層１２Ａ上に分散状
態で配置している。Next, as shown in FIG. 3 (A), the wire harness W / H previously bound on the assembly drawing board of the wire harness W / H is placed at the position where the grommet 10 is attached to the electric wire W / H.
Is inserted into the space portion 13 formed by pushing and spreading the first putty layer 12A in a direction perpendicular to the electric wire W. At this time, the plurality of slits 12d formed on the surface of the first putty member 12a are recessed in a V-shaped cross section in the wound state on the spacer 11, so that each wire is inserted into the slit 12a. The electric wires W are arranged in a dispersed state on the first putty layer 12A so that W is pushed in.
【００２０】次いで、図３（Ｂ）に示すように、表面に
電線Ｗが分散配置された第１のパテ層１２Ａの外周面
に、第２パテ部材１２ｂの粘着表面を対向させて巻装し
て第２のパテ層１２Ｂを配置する。そして、図３（Ｃ）
に示すように、第２のパテ層１２Ｂの外周からスペーサ
ー１１方向に向って、手作業もしくは治具（図示せず）
等で全周均等に圧力を加え、電線Ｗを第１のパテ層１２
Ａと第２のパテ層１２Ｂ間に貫通状態で埋設し、電線Ｗ
間の隙間をパテで覆うことにより防水性を確保するよう
にしている。Next, as shown in FIG. 3 (B), the adhesive surface of the second putty member 12b is wound around the outer peripheral surface of the first putty layer 12A having the wires W dispersedly arranged on the surface. The second putty layer 12B. Then, FIG. 3 (C)
As shown in the figure, a manual operation or a jig (not shown) is performed from the outer periphery of the second putty layer 12B toward the spacer 11.
Pressure is evenly applied to the entire circumference with the first putty layer 12 and the like.
A between the first putty layer A and the second putty layer 12B,
The gap between them is covered with putty to ensure waterproofness.
【００２１】次いで、スペーサー１１の外周で、第１、
第２のパテ層１２Ａ、１２Ｂ間に電線Ｗを埋設したワイ
ヤハーネスＷ／Ｈを、グロメット１０内に挿通する。そ
の際、まず、第２パテ部材１２ｂの剥離紙１２ｃを剥し
て、第２のパテ層１２Ｂの外周粘着面を露出させ、次い
でグロメット１０の小径筒部１０ａをグロメット拡げ機
（図示せず）により拡径してワイヤハーネスＷ／Ｈを貫
通させる。そして、第１、第２のパテ層１２Ａ、１２Ｂ
を外周に配置したスペーサー１１を、中径筒部１２１０
ｃの電線挿通部１０ｆ内に通し、該中半筒部１０ｃの内
周面に第２のパテ層１２Ｂの外周面が密着するように位
置させる。かかる状態で、中径筒部１０ｃは、スペーサ
ー１１と、パテ層１２により密閉状態となると共に、各
電線Ｗもパテ層１２を貫通する状態で埋設されているた
め、パテ自体の防水性によって小径筒部１０ａと大径筒
部１０ｂとの間の防水が図られる。Next, on the outer periphery of the spacer 11, first,
The wire harness W / H in which the electric wire W is embedded between the second putty layers 12A and 12B is inserted into the grommet 10. At that time, first, the release paper 12c of the second putty member 12b is peeled off to expose the outer peripheral adhesive surface of the second putty layer 12B, and then the small-diameter cylindrical portion 10a of the grommet 10 is spread by a grommet spreader (not shown). The diameter is enlarged to penetrate the wire harness W / H. Then, the first and second putty layers 12A, 12B
The spacer 11 having the outer periphery arranged on the outer periphery thereof is
c, and is positioned so that the outer peripheral surface of the second putty layer 12B is in close contact with the inner peripheral surface of the middle half cylindrical portion 10c. In this state, the medium-diameter cylindrical portion 10c is sealed by the spacer 11 and the putty layer 12, and the wires W are also embedded so as to penetrate the putty layer 12. Waterproofing is provided between the cylindrical portion 10a and the large-diameter cylindrical portion 10b.
【００２２】なお、グロメット１０の中径筒部１０ｃの
内周面には、図１において２点鎖線で示すように、スペ
ーサー１１の端面に当接して該スペーサー１１の位置決
めをするための係止突起１４を適宜間隔毎に突設しても
よい。As shown by a two-dot chain line in FIG. 1, the inner peripheral surface of the medium-diameter cylindrical portion 10c of the grommet 10 is engaged with the end surface of the spacer 11 for positioning the spacer 11. The protrusions 14 may be provided at appropriate intervals.
【００２３】[0023]
【発明の効果】以上の説明より明らかなように、本発明
のグロメットの防水構造および防水方法では、グロメッ
トの電線挿通部とスペーサーとの間および電線相互間
を、パテ層を介して密閉することにより防水することが
できる。よって、従来のように液状硬化性のシール剤を
充填する必要がなく、該シール剤充填のための設備、シ
ール剤が硬化するまでの待ち時間および、その間ワイヤ
ハーネスを放置するためのスペースが不要となる。更
に、シール剤の液洩れ防止のための小径筒部外周のテー
プ巻きが不要となるため、ワイヤハーネスが肥大化して
配索の自由度を低下させることがない。また、パテは、
可塑性の固体であるため、その取扱が容易であり、手作
業のみでスペーサーへの巻装および電線埋設のための圧
力付与が可能となる。As is apparent from the above description, in the grommet waterproofing structure and the waterproofing method of the present invention, the space between the wire insertion portion of the grommet and the spacer and between the wires are sealed via the putty layer. Can be waterproofed. Therefore, there is no need to fill with a liquid curable sealant as in the related art, and no equipment for filling the sealant, no waiting time until the sealant is cured, and no space for leaving the wire harness during that time are required. Becomes Furthermore, since it is not necessary to wind the tape around the small-diameter cylindrical portion for preventing leakage of the sealant, the wire harness is not enlarged and the degree of freedom of the wiring is not reduced. Also, putty,
Since it is a plastic solid, its handling is easy, and it is possible to apply pressure for winding around a spacer and burying an electric wire only by manual operation.
【００２４】特に、本発明では、液状硬化性のシール剤
の充填を不要とすることができるため、製造設備を簡素
化することができると共に、作業性を大幅に向上するこ
とができ、よって、その製造コストを削減することがで
きる。In particular, in the present invention, it is not necessary to fill a liquid curable sealant, so that the manufacturing equipment can be simplified and the workability can be greatly improved. The manufacturing cost can be reduced.
【図１】 第１実施形態の断面図である。FIG. 1 is a sectional view of a first embodiment.
【図２】 （Ａ）はスペーサーとパテ部材の斜視図、
（Ｂ）はパテ部材の巻装状態を示す斜視図である。FIG. 2A is a perspective view of a spacer and a putty member,
(B) is a perspective view which shows the winding state of a putty member.
【図３】 （Ａ）（Ｂ）はスペーサーとパテ部材をワイ
ヤハーネスに取り付ける工程を示す説明図、（Ｃ）は
（Ｂ）の要部断面図である。FIGS. 3A and 3B are explanatory views showing a process of attaching a spacer and a putty member to a wire harness, and FIG. 3C is a sectional view of a main part of FIG.
【図４】 従来のグロメットの防水構造を示す断面図で
ある。FIG. 4 is a cross-sectional view showing a conventional grommet waterproof structure.
１０ グロメット １０ｃ 中径筒部 １０ｆ 電線挿通部 １１ スペーサー １２ パテ層 １２Ａ 第１のパテ層 １２Ｂ 第２のパテ層 Ｗ／Ｈ ワイヤハーネス Ｗ 電線 DESCRIPTION OF SYMBOLS 10 Grommet 10c Medium diameter cylindrical part 10f Electric wire insertion part 11 Spacer 12 Putty layer 12A First putty layer 12B Second putty layer W / H Wire harness W Electric wire
Claims (4)
るグロメットの電線挿通部内に、電線の挿通方向と直交
する方向に円板状のスペーサーが配置され、該スペーサ
ーの外周面に第１のパテ層が密着されて配置され、上記
電線群の電線が分散されて上記第１のパテ層に押し込ま
れ、その外周面に第２のパテ層が配置されて、第１のパ
テ層と第２のパテ層の間に上記電線が埋設されて貫通さ
れ、上記第２のパテ層の外周面に上記電線挿通部の内周
面が密着されていることを特徴とするグロメットの防水
構造。A disc-shaped spacer is disposed in a wire insertion portion of a grommet for inserting a wire harness composed of a wire group in a direction orthogonal to a wire insertion direction, and a first putty layer is provided on an outer peripheral surface of the spacer. Is placed in close contact with the above
The wires of the wire group are dispersed and pushed into the first putty layer
The second putty layer is disposed on the outer peripheral surface of the first putty layer.
The wire is buried between the te layer and the second putty layer and
The outer periphery of the second putty layer is provided on the inner periphery of the wire insertion portion.
A grommet waterproof structure characterized in that the surfaces are in close contact .
着する小径筒部と、中径筒部と、大径筒部とを順次連続
させて、それらの軸線に沿って上記電線挿通部を形成し
ているもので、上記電線が貫通したパテを外周面に巻装
しているスペーサーを、上記中径筒部に配置している請
求項１に記載のグロメットの防水構造。2. The grommet according to claim 1, wherein the small-diameter tubular portion, the medium-diameter tubular portion, and the large-diameter tubular portion that are in close contact with the outer peripheral surface of the wire group are successively connected to each other. The grommet waterproof structure according to claim 1, wherein a spacer, which is formed and has a putty on which the electric wire penetrates wound around the outer peripheral surface, is disposed on the middle diameter cylindrical portion.
位置で押し広げて中空部を形成し、その中空部内に、帯
状のパテを巻装して第１のパテ層を外周面に配置した円
板状のスペーサーを電線と直交する方向に挿入し、上記
第１のパテ層上に電線を分散して押し込んだ後、該第１
のパテ層の外周面に帯状のパテを巻装して第２のパテ層
を配置し、該第２のパテ層に外周方向からから圧力を加
えて電線を第１と第２のパテ層間に埋設し、この状態で
上記ワイヤハーネスをグロメットの電線挿通部に配置し
て、第２のパテ層の外周面を電線挿通部の内周面に密着
させていることを特徴とするグロメットの防水方法。3. A circle in which a wire harness composed of a group of electric wires is pushed and spread at a predetermined position to form a hollow portion, and a band-shaped putty is wound in the hollow portion, and a first putty layer is arranged on the outer peripheral surface. After inserting a plate-shaped spacer in a direction orthogonal to the electric wires, dispersing and pushing the electric wires onto the first putty layer,
The second putty layer is disposed by winding a band-like putty on the outer peripheral surface of the putty layer, and pressure is applied to the second putty layer from the outer peripheral direction to place an electric wire between the first and second putty layers. A method of waterproofing the grommet, wherein the wire harness is buried, and in this state, the wire harness is disposed in the wire insertion portion of the grommet, and the outer peripheral surface of the second putty layer is in close contact with the inner peripheral surface of the wire insertion portion. .
リットが電線挿通方向と平行に形成されており、該スリ
ット内に電線を押し込むようにしている請求項３に記載
のグロメットの防水方法。4. The grommet according to claim 3, wherein a plurality of slits are formed on a surface of said first putty layer in parallel with a wire insertion direction, and the wires are pushed into said slits. Waterproof method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08255018A JP3116837B2 (en) | 1996-09-26 | 1996-09-26 | Grommet waterproof structure and waterproofing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08255018A JP3116837B2 (en) | 1996-09-26 | 1996-09-26 | Grommet waterproof structure and waterproofing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10108339A JPH10108339A (en) | 1998-04-24 |
| JP3116837B2 true JP3116837B2 (en) | 2000-12-11 |
Family
ID=17273055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP08255018A Expired - Fee Related JP3116837B2 (en) | 1996-09-26 | 1996-09-26 | Grommet waterproof structure and waterproofing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3116837B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0588534U (en) * | 1992-05-08 | 1993-12-03 | 株式会社イナックス | Bubble bath equipment with filtration device |
| JP6048617B2 (en) * | 2014-04-08 | 2016-12-21 | 日本精工株式会社 | Steering wheel position adjustment device |
| KR101926407B1 (en) | 2017-06-16 | 2018-12-07 | 정영호 | Connective structure of breadth frame and door plate of door |
| KR102202734B1 (en) | 2018-11-30 | 2021-01-13 | 정영호 | Connective structure of breadth frame and door plate of door |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101139393B1 (en) | 2011-02-16 | 2012-04-27 | 한국건설기술연구원 | Anchorage apparatus for frp cable and construction method using the same |
-
1996
- 1996-09-26 JP JP08255018A patent/JP3116837B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0588534U (en) * | 1992-05-08 | 1993-12-03 | 株式会社イナックス | Bubble bath equipment with filtration device |
| JP6048617B2 (en) * | 2014-04-08 | 2016-12-21 | 日本精工株式会社 | Steering wheel position adjustment device |
| KR101926407B1 (en) | 2017-06-16 | 2018-12-07 | 정영호 | Connective structure of breadth frame and door plate of door |
| KR102202734B1 (en) | 2018-11-30 | 2021-01-13 | 정영호 | Connective structure of breadth frame and door plate of door |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH10108339A (en) | 1998-04-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2584507Y2 (en) | Wire waterproof structure | |
| US6438828B1 (en) | Waterproofing arrangement for wire harness | |
| JP2947000B2 (en) | Wire harness waterproofing method and waterproofing structure | |
| US4797513A (en) | Grommet with wires sealed thereto and method of forming same | |
| JPH0345484B2 (en) | ||
| JP2017511957A (en) | Method for manufacturing electrical cables and electrical cable bundles | |
| JP3116837B2 (en) | Grommet waterproof structure and waterproofing method | |
| JP3214396B2 (en) | Spacer for forming wiring harness gap and waterproof structure of grommet using the spacer | |
| JP2005228603A (en) | Connection cap | |
| JP3487097B2 (en) | Wire harness waterproofing method and waterproofing jig used in the method | |
| JP2000341841A (en) | Method and structure for cutting off water for electric cable terminal connecting part | |
| JP2906998B2 (en) | Grommet | |
| JP3252729B2 (en) | Waterproofing method of wire harness and waterproofing agent discharger used therefor | |
| JP3052800B2 (en) | Spacer for wire harness and waterproof structure of splice portion of wire harness using the spacer | |
| JP3622333B2 (en) | Grommet filling sealing agent, wire harness sealing method and sealing structure using the sealing agent | |
| JP4232739B2 (en) | Method and structure for waterproofing of wire harness | |
| JPH0974646A (en) | Spacer for wire harness and wire harness employing the spacer | |
| JP3156823B2 (en) | Water stopping structure of wire harness and method of stopping water | |
| JP2712964B2 (en) | How to make a grommet waterproof structure | |
| JP2009124814A (en) | Waterstop member, wire harness with waterstop member, and method for forming waterstop portion using waterstop member | |
| JP4882372B2 (en) | Method for waterproofing wire harness and structure for attaching grommet for wire harness subjected to water stop treatment by the method | |
| JPH0739046A (en) | Water-stopping method of wire harness | |
| JPH10224961A (en) | Water stopping structure at grommet fixing part | |
| JP2005073422A (en) | Water shut-off part structure and method for forming water shut-off part of wire harness | |
| US6906263B2 (en) | Crossing-wire fixing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20000905 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |