JPH10334982A - Grommet - Google Patents

Grommet

Info

Publication number
JPH10334982A
JPH10334982A JP14143597A JP14143597A JPH10334982A JP H10334982 A JPH10334982 A JP H10334982A JP 14143597 A JP14143597 A JP 14143597A JP 14143597 A JP14143597 A JP 14143597A JP H10334982 A JPH10334982 A JP H10334982A
Authority
JP
Japan
Prior art keywords
grommet
wiring
wiring members
members
cylindrical
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
Application number
JP14143597A
Other languages
Japanese (ja)
Inventor
Hiroshi Yanase
拡 柳瀬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JAPAN ENGINE VALVE Manufacturing
Nippon Seiki Co Ltd
Original Assignee
JAPAN ENGINE VALVE Manufacturing
Nippon Seiki Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JAPAN ENGINE VALVE Manufacturing, Nippon Seiki Co Ltd filed Critical JAPAN ENGINE VALVE Manufacturing
Priority to JP14143597A priority Critical patent/JPH10334982A/en
Publication of JPH10334982A publication Critical patent/JPH10334982A/en
Pending legal-status Critical Current

Links

Abstract

PROBLEM TO BE SOLVED: To provide a grommet, in which the grommet properly flexibly follows along wiring member laying around directions so as to maintain dustproof capability and waterproof capability properly, even if the laying around direction of plural wiring members are extracting guided in different directions. SOLUTION: A grommet 3 fitted to fitting members 1 such as a panel, a case, and the like, and wiring members 2 such a plural electrical cords, cables, and the like laid around maintaining the watertightness of the grommet 3 are provided. A flexible cylinder portion 6 surrounding plural wiring members 2 integrally from the grommet 3 and staggeredly protruding disposed toward the front and rear faces of the grommet 3, so as to be respectively alternated with respect to the adjoining wiring members 2.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、外部雰囲気に晒さ
れやすい農耕機械、土木機械、オートバイなどの指示計
器のケースや回路基板などを収納するケースあるいは外
部雰囲気中に晒されるパネルなどの内外との間に複数の
電気コードやケーブルなどの配線部材を防塵、防水性を
保ちながら引き回し配設するようにしたグロメットの改
良構造に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a case for housing an indicating instrument of a farming machine, a civil engineering machine, a motorcycle or the like, a case for storing a circuit board, or a panel exposed to the outside atmosphere. The present invention relates to an improved structure of a grommet in which a plurality of wiring members, such as electric cords and cables, are routed and arranged while maintaining dustproof and waterproofness.

【0002】[0002]

【従来の技術】従来、複数の電気コードやケーブルなど
の配線部材を水密に保ちながら引き回し配設するグロメ
ットの構造として、たとえば本願出願人は実開昭59ー
10257号公報や実開平1ー173986号公報など
で提案している。従来例のグロメットの取付構造の概要
を図3に示すと、そのグロメットの取付構造として一般
的にパネルやケースなどの取付部材Sには電気コードや
ケーブルなどからなる配線部材Cを引き出し案内するた
めの開口孔が設けられ、この開口孔にグロメットGの外
周端縁に設けた環状凹部によるフランジ部分を嵌め込む
とともに、グロメットGに設けた挿通孔Hに複数本の配
線部材Cを挿通して引き回し配設している。
2. Description of the Related Art Conventionally, as a grommet structure in which a plurality of wiring members such as electric cords and cables are routed while being kept watertight, for example, the applicant of the present invention has disclosed Japanese Utility Model Laid-Open Publication No. 59-10257 and Japanese Utility Model Laid-Open Publication No. It has been proposed in Japanese Patent Publication No. FIG. 3 shows an outline of a grommet mounting structure of a conventional example. As a grommet mounting structure, a wiring member C made of an electric cord, a cable, or the like is generally pulled out and guided to a mounting member S such as a panel or a case. The grommet G is fitted with a flange portion formed by an annular concave portion provided on the outer peripheral edge of the grommet G, and a plurality of wiring members C are inserted through the through holes H provided on the grommet G and routed. It is arranged.

【0003】この場合、前記従来技術においては、複数
本の配線部材Cを引き回し配設する際、特にそれぞれの
配線部材Cの引き回し方向を揃えて引き回し配設したり
あるいは配線部材Cの引き回し方向がそれぞれ異なる方
向に引き出し案内したり、その使い勝手の問題で配線部
材Cの引き回し方向が変化することが予測される。
[0003] In this case, in the prior art, when a plurality of wiring members C are routed and arranged, especially when the wiring members C are routed and arranged in the same direction, or when the wiring members C are routed in the same direction. It is expected that the lead-out direction of the wiring member C will change due to the draw-out guide in different directions and the usability problem.

【0004】また、特に近年では計器装置あるいは電気
回路製品の電気的な接続などのための実装密度が高まっ
ている傾向の中で、その外部を覆うケースや取付用のパ
ネルなども小型化あるいは薄型化し、結果として前記グ
ロメットGに挿通配設される電気コードやケーブルなど
の配線部材Cの本数が増えれば増えるほど隣接する配線
部材Cの間隔も狭まってきていることが実情である。
In recent years, in particular, in recent years, the mounting density for the electrical connection of an instrument device or an electric circuit product has been increasing, and the case for covering the outside thereof and the mounting panel have been reduced in size or thickness. As a result, as the number of wiring members C such as electric cords and cables inserted through the grommet G increases, the spacing between adjacent wiring members C decreases as the number of wiring members C increases.

【0005】[0005]

【発明が解決しようとする課題】ところで、前述したよ
うに複数本の前記配線部材Cの引き回しの際に、その引
き回しの方向が異なって引き出されると、間隔が狭くな
っている複数の配線部材Cが挿通されているグロメット
Gが配線部材Cに加わる引っ張り力などの負荷によって
同体的に移動してしまい、結果としてグロメットGに設
けた配線部材Cの挿通孔H箇所と配線部材Cとの間にお
いて隙間が生じてしまい、この隙間から水気や塵埃など
が浸入してしまうという問題を有していた。
However, as described above, when a plurality of wiring members C are drawn out in different directions, the plurality of wiring members C having a narrower interval are drawn. The grommet G, through which the grommet G is inserted, moves coherently due to a load such as a pulling force applied to the wiring member C. As a result, between the insertion hole H of the wiring member C provided in the grommet G and the wiring member C, There has been a problem that a gap is formed, and water, dust, and the like enter from the gap.

【0006】そこで本発明は、前記従来例の問題を解決
するものであって、複数の配線部材の引き回し方向が異
なる方向に引き出し案内されたとしても、配線部材の引
き回し方向に沿ってグロメットを良好に撓みやすく追従
するように構成し、防塵性や防水性を良好に保つことに
できるグロメットを提供することを目的とする。
Accordingly, the present invention solves the above-mentioned problem of the prior art. Even if a plurality of wiring members are led out in different directions, the grommet can be satisfactorily formed along the direction in which the wiring members are drawn. It is an object of the present invention to provide a grommet that is configured to easily bend and to maintain good dustproofness and waterproofness.

【0007】[0007]

【課題を解決するための手段】請求項1の発明は、パネ
ルやケースなどの取付部材に取付固定されるグロメット
と、このグロメットに水密を保ちながら引き回し配設さ
れる複数の電気コードやケーブルなどの配線部材とを備
え、前記グロメットから一体に前記複数の配線部材を取
り巻き、かつ、隣り合う前記配線部材に対してそれぞれ
互い違いとなるように千鳥状にグロメットの表裏面に向
けて突き出し配設された柔軟性を有する筒部を備えたこ
とを特徴とするグロメットである。また請求項2の発明
は、前記請求項1において、前記筒部の内面部分に前記
配線部材との間を水密に保つ環状リブを設けたことを特
徴とするグロメットである。
According to a first aspect of the present invention, there is provided a grommet which is mounted and fixed to a mounting member such as a panel or a case, and a plurality of electric cords and cables which are arranged around the grommet while maintaining watertightness. Around the plurality of wiring members integrally from the grommet, and is disposed so as to protrude toward the front and back surfaces of the grommet in a staggered manner so as to be staggered with respect to the adjacent wiring members. It is a grommet characterized by having a flexible tubular part. According to a second aspect of the present invention, there is provided the grommet according to the first aspect, further comprising an annular rib provided on an inner surface portion of the cylindrical portion to keep a gap between the cylindrical portion and the wiring member watertight.

【0008】[0008]

【発明の実施の形態】前記請求項1の構成によって、電
気コードやケーブルなどの配線部材を引き回し案内する
向きが各配線部材によって異なったとしても、それぞれ
の配線部材を取り巻いて配設された柔軟性の筒部によっ
て独立して良好に撓み、かつ、隣接する配線部材の間隔
も狭まったとしても、隣り合う前記配線部材に対してそ
れぞれ互い違いとなるように千鳥状にグロメットの表裏
面に向けて筒部を突き出し配設したことにより、密接す
ることなく筒部を突き出し形成でき、この筒部を配線部
材の引き出し方向に沿わせて良好に撓みを持たせつつ引
き出し案内することができる。また前記請求項2の構成
によって、前記筒部の内面部分に設けた環状リブによっ
て前記配線部材と環状リブとの間の緊密度を高めること
ができ、グロメットと配線部材との間を水密に保つこと
が可能となる。
According to the first aspect of the present invention, even if wiring members such as electric cords and cables are routed and guided in different directions depending on the wiring members, the flexible members surrounding the respective wiring members are provided. Independently satisfactorily flexed by the cylindrical portion, and even if the distance between adjacent wiring members is narrowed, staggered toward the front and back surfaces of the grommet so as to be staggered with respect to the adjacent wiring members. By projecting and disposing the cylindrical portion, the cylindrical portion can be formed so as to protrude without being in close contact with each other, so that the cylindrical portion can be guided and pulled out along with the wiring member in a drawing direction while being appropriately bent. According to the configuration of the second aspect, the tightness between the wiring member and the annular rib can be increased by the annular rib provided on the inner surface portion of the cylindrical portion, and the space between the grommet and the wiring member is kept watertight. It becomes possible.

【0009】[0009]

【実施例】以下本発明の実施例を添付図面に基づいて説
明する。図1および図2は本発明の一実施例を示すもの
であり、たとえば車輌用の計器装置に用いられる計器ケ
ースからなる取付部材1の内部には、図示しないが速度
計,エンジン回転計,燃料計,水温計などの車輌運転状
況を指示する電気式の計器類やその計器類を駆動するた
めの回路基板などが収納されており、計器ケースからな
る取付部材1の内部側から外部に向けて複数の配線コー
ドからなる配線部材2が引き回し配設され、この配線部
材2を図示しない車載のバッテリ側へと電気的に接続し
ており、取付部材1と配線部材2との間は防塵性や防水
性を保つためのグロメット3を取付固定して前記配線部
材2を引き出し案内するように構成している。
Embodiments of the present invention will be described below with reference to the accompanying drawings. FIGS. 1 and 2 show an embodiment of the present invention. For example, a speedometer, an engine tachometer, and a fuel gauge (not shown) are provided inside a mounting member 1 composed of an instrument case used for an instrument apparatus for a vehicle. An electric instrument such as a thermometer, a water thermometer, etc., which indicates a vehicle operating condition, a circuit board for driving the instrument, and the like are stored therein. A wiring member 2 composed of a plurality of wiring cords is routed and arranged, and the wiring member 2 is electrically connected to a vehicle-mounted battery (not shown). The grommet 3 for maintaining waterproofness is attached and fixed, and the wiring member 2 is drawn out and guided.

【0010】またケースやパネルなどの取付部材1には
開口孔1Aが設けられ、この開口孔1Aに前記グロメッ
ト3の外周端縁に設けた環状凹部によるフランジ4部分
が取付固定されており、このグロメット3には、グロメ
ット3の基部側に前記複数の電気コードなどからなる配
線部材2を挿通する挿通孔5が設けられ、このグロメッ
ト3の基部側から一体に前記複数の配線部材2をそれぞ
れ取り巻き、かつ、隣り合う前記配線部材2に対してそ
れぞれ互い違いとなるように千鳥状にグロメット3の表
裏面に向けて柔軟性を有する筒部6が突き出し配設され
ている。
An opening 1A is provided in the mounting member 1 such as a case or a panel, and a flange 4 portion is attached and fixed to the opening 1A by an annular concave portion provided on the outer peripheral edge of the grommet 3. The grommet 3 is provided with an insertion hole 5 at the base side of the grommet 3 for inserting the wiring member 2 made of a plurality of electric cords or the like, and the grommet 3 surrounds the wiring members 2 integrally from the base side of the grommet 3. In addition, flexible tubular portions 6 are provided so as to protrude toward the front and back surfaces of the grommet 3 in a staggered manner so as to be staggered with respect to the adjacent wiring members 2.

【0011】またこの実施例では、グロメット3の筒部
6の内面部分、特に筒部6の先端側の内周面箇所には前
記配線部材2との間において防塵性あるいは防水性を保
つための環状リブ7が突設されて全体のグロメット3を
構成している。
In this embodiment, the grommet 3 has an inner surface portion of the cylindrical portion 6, particularly an inner peripheral surface portion of the grommet 3 on the tip side of the grommet 3, for maintaining the dustproof or waterproof property between the wiring member 2 and the wiring member 2. An annular rib 7 is protrudingly provided to constitute the entire grommet 3.

【0012】従って、グロメット3から引き回し配設さ
れる複数の配線部材2は、それぞれの配線部材2を柔軟
性を有する筒部6のよって覆われているため、それぞれ
の配線部材2を撓ませながら引き出し案内する際に、そ
の配線部材2の一つ一つが筒部6とともに独立して引き
回し方向に沿って柔軟に撓みつつ引き出されるものであ
り、これにより防塵,防水性を良好にして配線部材2を
引き出し案内することができる。
Accordingly, since the plurality of wiring members 2 arranged around the grommet 3 are covered with the flexible tubular portion 6, the respective wiring members 2 are covered while being flexed. At the time of pulling-out guidance, each of the wiring members 2 is pulled out independently and flexibly along the drawing direction together with the cylindrical portion 6, thereby improving the dustproof and waterproof properties and improving the wiring member 2. Can be guided out.

【0013】また前述したように、筒部6の先端側内周
面箇所に突設された環状リブ7によって、前記配線部材
2とグロメット3の筒部6との間をさらに水密に保つこ
とができるものであり、また前記グロメット3に挿通配
設される複数の電気コードやケーブルなどの配線部材2
の本数が増えれば増えるほど隣接する配線部材Cの間隔
も狭まってしまうが、隣り合う配線部材2に対してそれ
ぞれ互い違いとなるように千鳥状にグロメット3の表裏
面に向けて柔軟性を有する筒部6を突き出し配設するこ
とにより、グロメット3から一体に設けられる筒部6同
志が干渉することなく金型によって成形でき、これによ
り実装密度の高い配線処理を行うことができる。
Further, as described above, the annular rib 7 protruding from the inner peripheral surface of the distal end side of the cylindrical portion 6 keeps the space between the wiring member 2 and the cylindrical portion 6 of the grommet 3 more watertight. Wiring members 2 such as a plurality of electric cords and cables which are inserted through the grommet 3
As the number of pieces increases, the distance between adjacent wiring members C also decreases. However, a tube having flexibility toward the front and back surfaces of the grommet 3 in a staggered manner so as to be staggered with respect to the adjacent wiring members 2. By protruding and disposing the portion 6, the cylindrical portions 6 integrally provided from the grommet 3 can be molded by a mold without interference, and thus, a wiring process with a high mounting density can be performed.

【0014】なお、上述した実施例では、グロメット3
の筒部6の全てを、隣り合う配線部材2に対してそれぞ
れ互い違いとなるように千鳥状にグロメット3の基部側
から表裏面に向けて突き出し配設していたが、配線部材
2の間隔が狭い箇所のみをグロメット3から表裏面に向
けて千鳥状に突き出し形成するようにしてもよいもので
あり、配線部材2の線径や柔軟度合いなどの要因によっ
て筒部6の長さの設定あるいは柔軟性の度合いや筒部6
の肉厚寸法などは適宜設定すればよい。
In the embodiment described above, the grommet 3
Are arranged in a staggered manner from the base side of the grommet 3 toward the front and back surfaces so as to be staggered with respect to the adjacent wiring members 2. Only a narrow portion may be formed so as to protrude from the grommet 3 toward the front and back surfaces in a staggered manner, and the length of the cylindrical portion 6 is set or the flexibility is set depending on factors such as the wire diameter of the wiring member 2 and the degree of flexibility. Degree of sex and cylindrical part 6
May be set as appropriate.

【0015】[0015]

【発明の効果】以上詳述したように、請求項1の発明
は、パネルやケースなどの取付部材に取付固定されるグ
ロメットと、このグロメットに水密を保ちながら引き回
し配設される複数の電気コードやケーブルなどの配線部
材とを備え、前記グロメットから一体に前記複数の配線
部材を取り巻き、かつ、隣り合う前記配線部材に対して
それぞれ互い違いとなるように千鳥状にグロメットの表
裏面に向けて突き出し配設された柔軟性を有する筒部を
備えてグロメットを構成することにより、電気コードや
ケーブルなどの配線部材を引き回し案内する向きが各配
線部材によって異なったとしても、それぞれの配線部材
を取り巻いて配設された柔軟性の筒部によって独立して
良好に撓み、かつ、隣接する配線部材の間隔も狭まった
としても、隣り合う前記配線部材に対してそれぞれ互い
違いとなるように千鳥状にグロメットの表裏面に向けて
筒部を突き出し配設したことにより、密接することなく
筒部を突き出し形成でき、この筒部を配線部材の引き出
し方向に沿わせて良好に撓みを持たせつつ引き出し案内
することができる。また請求項2の発明は、前記請求項
1において、前記筒部の内面部分に前記配線部材との間
を水密に保つための環状リブを設けてグロメットを構成
することにより、筒部の内面部分に設けた環状リブによ
って配線部材と環状リブとの間の緊密度を高めることが
でき、グロメットと配線部材との間をさらに水密に保つ
ことが可能となる。
As described above in detail, the first aspect of the present invention is directed to a grommet which is mounted and fixed to a mounting member such as a panel or a case, and a plurality of electric cords which are arranged around the grommet while maintaining watertightness. And a wiring member such as a cable, and surrounds the plurality of wiring members integrally from the grommet, and protrudes toward the front and back surfaces of the grommet in a staggered manner so as to be staggered with respect to the adjacent wiring members. By configuring the grommet with the provided flexible tubular portion, even if the wiring members such as electric cords and cables are routed and guided in different directions depending on each wiring member, the grommet surrounds each wiring member. Even if the flexible tubular portion provided flexes independently and satisfactorily, and the space between adjacent wiring members is narrowed, they are adjacent to each other. By arranging the tubular portions in a staggered manner toward the front and back surfaces of the grommet so as to be staggered with respect to the wiring member, the tubular portions can be formed without being closely contacted. It is possible to guide the pull-out while giving a good bending along the pull-out direction. According to a second aspect of the present invention, in the first aspect, a grommet is provided by providing an annular rib on an inner surface portion of the cylindrical portion to keep watertight between the wiring member and the inner surface portion of the cylindrical portion. The tightness between the wiring member and the annular rib can be increased by the annular rib provided in the above, and the space between the grommet and the wiring member can be kept more watertight.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の実施例であるグロメットと配線部材の
引き回し構造を示す要部の断面図である。
FIG. 1 is a cross-sectional view of a main part showing a grommet and wiring structure of a wiring member according to an embodiment of the present invention.

【図2】図2は図1のグロメット構造を示した正面図で
ある。
FIG. 2 is a front view showing the grommet structure of FIG.

【図3】図3は従来例のグロメットと配線部材との引き
回し構造を示す要部の断面図である。
FIG. 3 is a cross-sectional view of a main part showing a wiring structure of a conventional grommet and a wiring member.

【符号の説明】[Explanation of symbols]

1 取付部材 2 配線部材 3 グロメット 4 フランジ 5 挿通孔 6 筒部 7 環状リブ DESCRIPTION OF SYMBOLS 1 Attachment member 2 Wiring member 3 Grommet 4 Flange 5 Insertion hole 6 Tube part 7 Annular rib

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 パネルやケースなどの取付部材に取付固
定されるグロメットと、このグロメットに水密を保ちな
がら引き回し配設される複数の電気コードやケーブルな
どの配線部材とを備え、前記グロメットから一体に前記
複数の配線部材を取り巻き、かつ、隣り合う前記配線部
材に対してそれぞれ互い違いとなるように千鳥状にグロ
メットの表裏面に向けて突き出し配設された柔軟性を有
する筒部を備えたことを特徴とするグロメット。
1. A grommet which is attached and fixed to an attachment member such as a panel or a case, and a plurality of wiring members such as electric cords and cables which are arranged around the grommet while maintaining watertightness. And a flexible tubular portion which is arranged so as to surround the plurality of wiring members and protrude toward the front and back surfaces of the grommet in a staggered manner so as to be staggered with respect to the adjacent wiring members. A grommet characterized by:
【請求項2】 前記筒部の内面部分に前記配線部材との
間を水密に保つ環状リブを設けたことを特徴とする請求
項1に記載のグロメット。
2. The grommet according to claim 1, wherein an annular rib for keeping the space between the cylindrical member and the wiring member watertight is provided on an inner surface of the cylindrical portion.
JP14143597A 1997-05-30 1997-05-30 Grommet Pending JPH10334982A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14143597A JPH10334982A (en) 1997-05-30 1997-05-30 Grommet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14143597A JPH10334982A (en) 1997-05-30 1997-05-30 Grommet

Publications (1)

Publication Number Publication Date
JPH10334982A true JPH10334982A (en) 1998-12-18

Family

ID=15291903

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14143597A Pending JPH10334982A (en) 1997-05-30 1997-05-30 Grommet

Country Status (1)

Country Link
JP (1) JPH10334982A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001085099A (en) * 1999-09-16 2001-03-30 Yazaki Corp Waterproof plug
JP2008235087A (en) * 2007-03-22 2008-10-02 Sumitomo Wiring Syst Ltd Connector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001085099A (en) * 1999-09-16 2001-03-30 Yazaki Corp Waterproof plug
JP2008235087A (en) * 2007-03-22 2008-10-02 Sumitomo Wiring Syst Ltd Connector

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