JPH051945Y2 - - Google Patents
Info
- Publication number
- JPH051945Y2 JPH051945Y2 JP1987151363U JP15136387U JPH051945Y2 JP H051945 Y2 JPH051945 Y2 JP H051945Y2 JP 1987151363 U JP1987151363 U JP 1987151363U JP 15136387 U JP15136387 U JP 15136387U JP H051945 Y2 JPH051945 Y2 JP H051945Y2
- Authority
- JP
- Japan
- Prior art keywords
- wire harness
- grommet
- diameter hole
- insertion hole
- wire
- 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
- 239000000945 filler Substances 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 21
- 238000003780 insertion Methods 0.000 claims description 17
- 230000037431 insertion Effects 0.000 claims description 17
- 238000005452 bending Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
- 229920002554 vinyl polymer Polymers 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Description
【考案の詳細な説明】
［考案の目的］
（産業上の利用分野）
この考案は、グロメツトの密封構造の改善に関
するものであり、さらに詳しくは、グロメツトを
完全に密封し、とくに水や油などの侵入を効果的
に防止した、信頼性の高いグロメツトの密封構造
に関するものである。[Detailed explanation of the invention] [Purpose of the invention] (Field of industrial application) This invention relates to improving the sealing structure of grommets. The present invention relates to a highly reliable grommet sealing structure that effectively prevents the intrusion of.
（従来の技術）
たとえば、モーターなどの機器から、リード線
などのワイヤハーネスを引き出す際には、機器の
壁体に設けられた引出孔にグロメツトを取付け、
このグロメツトを介してワイヤハーネスを挿通す
ることにより、機器内への異物の侵入が防止され
ている。(Prior art) For example, when pulling out a wire harness such as a lead wire from a device such as a motor, a grommet is attached to a pull-out hole provided in the wall of the device.
By inserting the wire harness through this grommet, foreign matter is prevented from entering the device.
ところが、リード線が複数本のワイヤハーネス
からなる束状である場合には、ワイヤハーネス相
互間に隙間を生じ、この隙間から水や油などの異
物か侵入するため、従来はたとえば実開昭59−
152785号公報に示されるように、上記隙間に液状
硬化性充填材を充填した密封構造が採用されてき
た。 However, when the lead wire is in the form of a bundle consisting of multiple wire harnesses, gaps are created between the wire harnesses, and foreign substances such as water and oil can enter through these gaps. −
As shown in Japanese Patent No. 152785, a sealed structure in which the gap is filled with a liquid curable filler has been adopted.
第４図は従来のグロメツトの密封構造を示す側
断面説明図であり、１はグロメツト、２はグロメ
ツト１の挿通孔、３は挿通孔２の拡径孔、４は挿
通孔２の縮径孔、５はワイヤハーネス、６はワイ
ヤハーネス５をまとめるビニールテープ、７は液
状硬化性充填材、８は壁体である。 FIG. 4 is a side cross-sectional explanatory view showing the sealing structure of a conventional grommet, in which 1 is a grommet, 2 is an insertion hole in grommet 1, 3 is an enlarged diameter hole in insertion hole 2, and 4 is a reduced diameter hole in insertion hole 2. , 5 is a wire harness, 6 is a vinyl tape for organizing the wire harness 5, 7 is a liquid hardening filler, and 8 is a wall.
第４図に示した従来例において、グロメツト１
は壁体８の引出孔９に取付けられており、グロメ
ツト１の挿通孔２には、複数本のワイヤハーネス
５が挿通され、これらワイヤハーネス５は挿通孔
２の拡径孔３内に遊挿され、かつ縮径孔４内で締
付けられると共に、前記拡径孔３に充填された液
状硬化性充填材７により、埃、水および油などの
異物が、壁体８内に侵入することが防止されてい
る。 In the conventional example shown in FIG.
is attached to the pull-out hole 9 of the wall body 8, and a plurality of wire harnesses 5 are inserted into the insertion hole 2 of the grommet 1, and these wire harnesses 5 are loosely inserted into the enlarged diameter hole 3 of the insertion hole 2. The liquid hardening filler 7 filled in the enlarged diameter hole 3 prevents foreign matter such as dust, water, and oil from entering the wall 8. has been done.
（考案が解決しようとする問題点）
しかしながら、上述の第４図に示した従来のグ
ロメツトの密封構造においては、ワイヤハーネス
の本数が多い場合に、相互のワイヤハーネスが密
着してその隙間にまで液状硬化性充填材を均一に
充填することが困難となり、密封しきれない隙間
から水や油などの異物が侵入して、完全な密封構
造を達成できないという問題があつた。(Problem to be solved by the invention) However, in the conventional grommet sealing structure shown in FIG. There was a problem in that it became difficult to uniformly fill the liquid hardening filler, and foreign substances such as water and oil entered through gaps that could not be completely sealed, making it impossible to achieve a completely sealed structure.
また、上述したような微細な隙間へ充填させる
ための液状硬化性充填材は、その粘度が制限さ
れ、粘度が低く、硬化時間の長い液状硬化性充填
材を使用しなくてはならないという生産上の問題
もあつた。 In addition, the viscosity of the liquid curable filler used to fill the minute gaps as mentioned above is limited, and production issues require the use of liquid curable fillers with low viscosity and long curing times. There were also problems.
この考案は、上述した従来のグロメツトの密封
構造における問題点を解決すべく検討した結果、
考案されたものである。 This idea was developed as a result of studies to solve the problems with the conventional grommet sealing structure mentioned above.
It was invented.
したがつて、この考案の目的は、グロメツトを
完全に密封し、とくに水や油などの侵入を効果的
に防止した、信頼性の高いグロメツトの密封構造
を提供することにある。 Therefore, the purpose of this invention is to provide a highly reliable grommet sealing structure that completely seals the grommet and effectively prevents the intrusion of water, oil, etc.
［考案の構成］
（問題点を解決するための手段）
すなわち、この考案のグロメツトの密封構造
は、グロメツトの拡径孔と縮径孔が連通したワイ
ヤハーネス挿通孔に、複数本のワイヤハーネスを
挿通すると共に、前記拡径孔から前記縮径孔にか
けて液状硬化性充填材を充填してなるグロメツト
の密封構造において、前記グロメツトのワイヤハ
ーネス挿通孔に位置し、各ワイヤハーネスの延長
方向中間部に波形、クロス形およびループ形から
選ばれた曲げ加工を施すことにより、これら各ワ
イヤハーネス間に空間部を確保したことを特徴と
する。[Structure of the invention] (Means for solving the problem) In other words, the grommet sealing structure of this invention is such that a plurality of wire harnesses are inserted into the wire harness insertion hole where the enlarged diameter hole and the reduced diameter hole of the grommet communicate with each other. In the sealed structure of the grommet, which is inserted into the grommet and filled with a liquid hardening filler from the enlarged diameter hole to the reduced diameter hole, The wire harness is characterized in that a space is secured between each of these wire harnesses by performing a bending process selected from a wave shape, a cross shape, and a loop shape.
（作用）
この考案のグロメツトの密封構造は、グロメツ
トのワイヤハーネス挿通孔に位置し、各ワイヤハ
ーネスの延長方向中間部に、波形、クロス形およ
びループ形から選ばれた曲げ加工を施したため、
グロメツトの液状硬化性充填材注入部分に位置す
る各ワイヤハーネス相互間に、十分な空間を安定
に確保することができる。(Function) The sealed structure of the grommet of this invention is located in the wire harness insertion hole of the grommet, and the middle part of each wire harness in the extending direction is bent in a wave shape, cross shape, and loop shape.
Sufficient space can be stably secured between each wire harness located in the part of the grommet where the liquid curable filler is injected.
したがつて、上記ワイヤハーネスの空間部に対
する液状硬化性充填材の浸透性が改良され、硬化
時間の短い液状硬化性充填材の使用が可能で、し
かもその液状硬化性充填材を完全充填することが
でき、効果的な密封構造が達成される。 Therefore, the permeability of the liquid curable filler into the space of the wire harness is improved, it is possible to use a liquid curable filler with a short curing time, and it is possible to completely fill the space with the liquid curable filler. and an effective sealing structure is achieved.
また、上記ワイヤハーネスの曲げ加工には、ワ
イヤハーネスの切断作業、複雑な装置および特殊
な材料などを必要としないため、確実な密封構造
をきわめて容易に得ることができる。 Further, since the wire harness bending process does not require cutting the wire harness, complicated equipment, special materials, etc., a reliable sealed structure can be obtained extremely easily.
（実施例）
以下、図面を参照しつつ、この考案のグロメツ
トの密封構造の実施例について、詳細に説明す
る。(Embodiments) Hereinafter, embodiments of the grommet sealing structure of this invention will be described in detail with reference to the drawings.
第１図ａはこの考案のグロメツトの密封構造の
第１実施例を示す側断面説明図、第１図ｂは第１
図ａのＡ−Ａ線断面説明図、第２図は同じく第２
実施例を示す側断面説明図、第３図は同じく第３
実施例を示す側断面説明図である。 FIG. 1a is a side sectional explanatory view showing a first embodiment of the grommet sealing structure of this invention, and FIG.
A cross-sectional explanatory view taken along the line A-A in Figure a, and Figure 2 is the same
A side cross-sectional explanatory view showing the embodiment, FIG.
It is a side cross-sectional explanatory view showing an example.
第１図ａおよびｂに示した第１実施例におい
て、１０はグロメツト、１１はグロメツト１０の
挿通孔、１２は挿通孔１１の拡径孔、１３は挿通
孔１１の縮径孔、２０はワイヤハーネス、２１は
ワイヤハーネス２０の曲げ加工部、２３はワイヤ
ハーネス２０をまとめるビニールテープ、２４は
同じくビニールテープ、３０は液状硬化性充填
材、４０は壁体である。 In the first embodiment shown in FIGS. 1a and 1b, 10 is a grommet, 11 is an insertion hole in the grommet 10, 12 is an enlarged diameter hole in the insertion hole 11, 13 is a reduced diameter hole in the insertion hole 11, and 20 is a wire. 21 is a bent portion of the wire harness 20, 23 is a vinyl tape that holds together the wire harness 20, 24 is also a vinyl tape, 30 is a liquid hardening filler, and 40 is a wall.
この第１実施例において、グロメツト１０はそ
の取付溝１４を壁体４０の引出孔４１に嵌め込む
ことにより壁体４０に取付けられており、そのワ
イヤハーネス挿通孔１１には拡径孔１２と縮径孔
１３が設けられている。 In this first embodiment, the grommet 10 is attached to the wall body 40 by fitting its attachment groove 14 into the pull-out hole 41 of the wall body 40, and the wire harness insertion hole 11 has an enlarged diameter hole 12 and a constricted diameter hole 12. A diameter hole 13 is provided.
ワイヤハーネス２０は、グロメツト１０の挿通
孔１１に挿通され、その拡径孔１２内では遊挿、
縮径孔１３内では締付けの状態となつている。 The wire harness 20 is inserted into the insertion hole 11 of the grommet 10, and is loosely inserted in the enlarged diameter hole 12.
The inside of the reduced diameter hole 13 is in a tightened state.
ここで、上述したグロメツト１０のワイヤハー
ネス挿通孔１１に位置する各ワイヤハーネス２０
には、波形の曲げ加工部２１が形成されており、
この曲げ加工部２１により各ワイヤハーネス２０
間に空間部２２が形成されている。 Here, each wire harness 20 located in the wire harness insertion hole 11 of the grommet 10 described above
A wave-shaped bent portion 21 is formed in the
By this bending part 21, each wire harness 20
A space 22 is formed between them.
しがつて、グロメツト１０の拡径孔１２に注入
された液状硬化性充填材３０は、空間部２２へよ
く浸透し、ワイヤハーネス２０の外周およびこの
ワイヤハーネス２０の束内空間部２２に隙間を形
成することがなく、完全に充填されることになる
ため、確実で信頼性の高い密封構造が達成され
る。 Therefore, the liquid curable filler 30 injected into the enlarged diameter hole 12 of the grommet 10 penetrates well into the space 22 and creates a gap around the outer periphery of the wire harness 20 and the space 22 inside the bundle of the wire harness 20. Since there is no formation and there is complete filling, a secure and reliable sealing structure is achieved.
次に、第２図に示した第２実施例は、各ワイヤ
ハーネス２０の曲げ加工部２１を、1/2ピツチ変
位のクロス形となした点が、上述した第１実施例
と相違しており、この場合にも上記と同様に曲げ
加工部２１により各ワイヤハーネス２０間に空間
部２２が形成されることによつて、液状硬化性充
填材３０の浸透性が向上し、完全な密封効果を得
ることができる。 Next, the second embodiment shown in FIG. 2 is different from the first embodiment described above in that the bent portion 21 of each wire harness 20 is shaped like a cross with a 1/2 pitch displacement. In this case as well, by forming the space 22 between each wire harness 20 by the bent part 21 as described above, the permeability of the liquid curable filler 30 is improved and a complete sealing effect is achieved. can be obtained.
また、第３図に示した第３実施例は、各ワイヤ
ハーネス２０の曲げ加工部２１を、各ワイヤハー
ネス２０に一回ひねり加工を施したループ形とな
した点が、上述した第１実施例および第２実施例
を相違しており、この場合にも上記と同様に曲げ
加工部２１によつて、各ワイヤハーネス２０間に
空間部２２が形成され、液状硬化性充填材３０が
よく浸透して、密封効果を向上せしめることがで
きる。 Further, the third embodiment shown in FIG. 3 differs from the first embodiment in that the bent portion 21 of each wire harness 20 is formed into a loop shape by twisting each wire harness 20 once. This example is different from the second example, and in this case as well, a space 22 is formed between each wire harness 20 by the bending part 21 as in the above, and the liquid curable filler 30 is well penetrated. Thus, the sealing effect can be improved.
なお、ワイヤハーネス２０に対する曲げ加工部
２１の形成は、たとえばワイヤハーネス２０を丸
棒などの芯体に巻き付ける（波形）、相互にねじ
り合わせる（クロス形）および手作業によりひね
る（ループ形）などの容易な手段で行うことがで
き、ワイヤハーネス２０の切断作業、複雑な装置
および特殊な材料などを必要とすることなく、き
わめて容易に形成することができる。 The bent portion 21 of the wire harness 20 can be formed by, for example, winding the wire harness 20 around a core such as a round bar (wave shape), twisting it together (cross shape), or manually twisting it (loop shape). This can be done by a simple means, and can be formed extremely easily without requiring a cutting operation of the wire harness 20, a complicated device, a special material, or the like.
［考案の効果］
以上説明したように、本考案のグロメツトの密
封構造は、グロメツトのワイヤハーネス挿通孔に
位置し、各ワイヤハーネスの延長方向中間部に、
波形、クロス形およびループ形から選ばれた曲げ
加工を施したため、グロメツトの液状硬化性充填
材注入部における各ワイヤハーネス相互間に、十
分な空間を安定に確保することができる。したが
つて、上記ワイヤハーネスの空間部に対する液状
硬化性充填材の浸透性が改良され、硬化時間の短
い液状硬化性充填材の使用が可能で、しかもその
液状硬化性充填材を完全充填することができ、効
果的な密封構造が達成される。[Effect of the invention] As explained above, the sealing structure of the grommet of the invention is located in the wire harness insertion hole of the grommet, and at the middle part in the extending direction of each wire harness.
Since the bending process is selected from a wave shape, a cross shape, and a loop shape, a sufficient space can be stably secured between each wire harness at the liquid curable filler injection part of the grommet. Therefore, the permeability of the liquid curable filler into the space of the wire harness is improved, it is possible to use a liquid curable filler with a short curing time, and it is possible to completely fill the space with the liquid curable filler. and an effective sealing structure is achieved.
また、上記ワイヤハーネスの曲げ加工には、ワ
イヤハーネスの切断作業、複雑な装置および特殊
な材料などを必要としないため、確実な密封構造
をきわめて容易に得ることができる。 Further, since the wire harness bending process does not require cutting the wire harness, complicated equipment, special materials, etc., a reliable sealed structure can be obtained extremely easily.
第１図ａはこの考案のグロメツトの密封構造の
第１実施例を示す側断面説明図、第１図ｂは第１
図ａのＡ−Ａ線断面説明図、第２図は同じく第２
実施例を示す側断面説明図、第３図は同じく第３
実施例を示す側断面説明図、第４図は従来のグロ
メツトの密封構造を示す側断面説明図である。
１０……グロメツト、１１……ワイヤハーネス
挿通孔、１２……拡径孔、１３……縮径孔、２０
……ワイヤハーネス、２１……曲げ加工部、２２
……空間部、３０……液状硬化性充填材、４０…
…壁体。
FIG. 1a is a side sectional explanatory view showing a first embodiment of the grommet sealing structure of this invention, and FIG.
A cross-sectional explanatory view taken along the line A-A in Figure a, and Figure 2 is the same
A side cross-sectional explanatory view showing the embodiment, FIG.
FIG. 4 is a side cross-sectional explanatory view showing an embodiment of the present invention, and FIG. 4 is a side cross-sectional view showing the sealing structure of a conventional grommet. 10... Grommet, 11... Wire harness insertion hole, 12... Expanded diameter hole, 13... Reduced diameter hole, 20
... Wire harness, 21 ... Bending section, 22
...Space part, 30...Liquid curable filler, 40...
...Wall body.
Claims (1)
ハーネス挿通孔に、複数本のワイヤハーネスを挿
通すると共に、前記拡径孔から前記縮径孔にかけ
て液状硬化性充填材を充填してなるグロメツトの
密封構造において、前記グロメツトのワイヤハー
ネス挿通孔に位置し、各ワイヤハーネスの延長方
向中間部に、波形、クロス形およびループ形から
選ばれた曲げ加工を施すことにより、これら各ワ
イヤハーネス間に空間部を確保したことを特徴と
するグロメツトの密封構造。 A grommet in which a plurality of wire harnesses are inserted through a wire harness insertion hole in which an enlarged diameter hole and a reduced diameter hole communicate with each other, and a liquid curable filler is filled from the enlarged diameter hole to the reduced diameter hole. In the sealed structure, a space is created between each wire harness by applying a bending process selected from a wave shape, a cross shape, and a loop shape to the intermediate portion in the extending direction of each wire harness located in the wire harness insertion hole of the grommet. The grommet's sealed structure is characterized by a secured area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987151363U JPH051945Y2 (en) | 1987-10-02 | 1987-10-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987151363U JPH051945Y2 (en) | 1987-10-02 | 1987-10-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0158222U JPH0158222U (en) | 1989-04-12 |
| JPH051945Y2 true JPH051945Y2 (en) | 1993-01-19 |
Family
ID=31425341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987151363U Expired - Lifetime JPH051945Y2 (en) | 1987-10-02 | 1987-10-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH051945Y2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5022291A (en) * | 1973-07-04 | 1975-03-10 | ||
| JPS52120395A (en) * | 1976-04-02 | 1977-10-08 | Hitachi Cable Ltd | Enclosed structure for wire and cable in wall penetration and construc tion |
| JPS587778U (en) * | 1981-07-08 | 1983-01-19 | 東芝プラント建設株式会社 | Bucket for lifting materials |
| JPS5818386B2 (en) * | 1973-11-16 | 1983-04-12 | 東洋紡績株式会社 | Polyester composition for molding materials for electrical appliance parts |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5728493Y2 (en) * | 1977-12-13 | 1982-06-22 | ||
| JPS5818386U (en) * | 1981-07-29 | 1983-02-04 | 富士電線工業株式会社 | cord protector |
| JPS59152785U (en) * | 1983-03-31 | 1984-10-13 | スズキ株式会社 | Foreign matter intrusion prevention device using grommets |
-
1987
- 1987-10-02 JP JP1987151363U patent/JPH051945Y2/ja not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5022291A (en) * | 1973-07-04 | 1975-03-10 | ||
| JPS5818386B2 (en) * | 1973-11-16 | 1983-04-12 | 東洋紡績株式会社 | Polyester composition for molding materials for electrical appliance parts |
| JPS52120395A (en) * | 1976-04-02 | 1977-10-08 | Hitachi Cable Ltd | Enclosed structure for wire and cable in wall penetration and construc tion |
| JPS587778U (en) * | 1981-07-08 | 1983-01-19 | 東芝プラント建設株式会社 | Bucket for lifting materials |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0158222U (en) | 1989-04-12 |
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