JP2515131Y2 - Grommet - Google Patents
GrommetInfo
- Publication number
- JP2515131Y2 JP2515131Y2 JP8931291U JP8931291U JP2515131Y2 JP 2515131 Y2 JP2515131 Y2 JP 2515131Y2 JP 8931291 U JP8931291 U JP 8931291U JP 8931291 U JP8931291 U JP 8931291U JP 2515131 Y2 JP2515131 Y2 JP 2515131Y2
- Authority
- JP
- Japan
- Prior art keywords
- grommet
- annular base
- slit
- narrow tubular
- tubular 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 - Lifetime
Links
Landscapes
- Insulating Bodies (AREA)
- Installation Of Indoor Wiring (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は、車両等にワイヤハーネ
ス等を配索する際、ワイヤハーネス等の損傷防止等のた
めに使用されるグロメットに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grommet used for preventing damage to a wire harness or the like when wiring the wire harness or the like to a vehicle or the like.
【０００２】[0002]
【従来の技術】この種のグロメットとしては、図８に示
すような実公昭５７−３１４６６号公報に開示されたも
のがある。図８において、このグロメットは、周壁を厚
肉として当該周壁外周面上に設けた周溝１２に、車両の
パネル等に穿設された支持孔の孔縁を挾持した環状基部
２と、この環状基部２より内径を小とし周壁を薄肉とし
た狭小筒部３と、環状基部２と狭小筒部３との間に介在
する薄肉の連結部４とで構成されており、前記狭小筒部
３に環状突部３ａを周接し、この環状突部３ａから狭小
筒部３の先端にかけてスリット７を形成して当該部分に
前記環状突部３ａを基部として遊動片３ｂを設けてい
る。2. Description of the Related Art A grommet of this type is disclosed in Japanese Utility Model Publication No. 57-31466 as shown in FIG. In FIG. 8, this grommet has an annular base portion 2 in which a peripheral edge of a support hole formed in a vehicle panel or the like is held in a peripheral groove 12 formed on the outer peripheral surface of the peripheral wall with a thick peripheral wall, and the annular base portion 2. The narrow tubular portion 3 has an inner diameter smaller than that of the base portion 2 and a thin peripheral wall, and a thin connecting portion 4 interposed between the annular base portion 2 and the narrow tubular portion 3. The annular projection 3a is circumferentially contacted, and a slit 7 is formed from the annular projection 3a to the tip of the narrow tubular portion 3, and a floating piece 3b is provided at that portion with the annular projection 3a as a base.
【０００３】このような構成によれば、グロメット１は
狭小筒部３が長くても、その先端よりスリット７が形成
されているので、その長さに比して当該部分を拡げる力
は余り必要なく、グロメット拡張治具などを用いてグロ
メットの狭小筒部３を拡張する作業は容易なものとなっ
ている。According to such a structure, the grommet 1 has the slit 7 formed from the tip thereof even if the narrow tubular portion 3 is long, so that a force for expanding the portion is much required compared to the length thereof. Instead, the work of expanding the narrow tubular portion 3 of the grommet using a grommet expansion jig or the like is easy.
【０００４】[0004]
【考案が解決しようとする課題】しかしながら、このよ
うな従来のグロメットでは、グロメット拡張治具などを
用いたグロメット１の狭小筒部３を拡張する際、スリッ
ト７の環状基部２側の端部に応力が集中して遊動片３ｂ
が環状突部３ａに沿って裂けてしまい、狭小筒部３によ
るワイヤハーネス等の支持力（ないし防水性）を低下さ
せてしまう虞れがあった。However, in such a conventional grommet, when the narrow tubular portion 3 of the grommet 1 using a grommet extension jig or the like is extended, the slit 7 is attached to the end on the annular base 2 side. Stress is concentrated and floating piece 3b
May be torn along the annular protrusion 3a, and the supporting force (or waterproofness) of the wire harness or the like by the narrow tubular portion 3 may be reduced.
【０００５】本考案は、上記の点に鑑みなされたもの
で、グロメット拡張治具などでグロメット狭小筒部３を
拡張しグロメット１にワイヤハーネス等を嵌挿する際、
遊動片３ｂの基部に亀裂などの損傷を生じない丈夫なグ
ロメットの提供を目的とする。The present invention has been made in view of the above points, and when the grommet narrow tubular portion 3 is expanded with a grommet expansion jig or the like and the wire harness or the like is fitted into the grommet 1,
The purpose of the present invention is to provide a durable grommet that does not cause damage such as cracks in the base of the floating piece 3b.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
に本考案では、車両のパネル等に穿設された支持孔の孔
縁を挾持する周溝を外周面に有した環状基部と、先端か
ら軸方向に延びた複数のスリットを周壁に設けることに
より、複数の遊動片を形成され前記環状基部よりも径の
小さい狭小筒部とから成るグロメットにおいて、前記ス
リットの環状基部側の端部周縁に厚肉部を設けることと
した。In order to achieve the above object, according to the present invention, an annular base portion having an outer peripheral surface having a peripheral groove for holding a hole edge of a support hole formed in a vehicle panel or the like, and a tip end. In the grommet which is provided with a plurality of slits extending in the axial direction from the peripheral wall and is formed with a plurality of floating pieces and a narrow tubular portion having a smaller diameter than the annular base portion, the peripheral edge of the slit on the annular base portion side. It was decided to provide a thick wall portion.
【０００７】[0007]
【作用】グロメット拡張治具などによりグロメットの狭
小筒部を拡張すると、スリットの環状基部側の端部に応
力が集中するが、スリットの環状基部側の端部は、その
肉厚を増大し補強されているので、この集中応力に対し
抗することができる。[Function] When the narrow tubular portion of the grommet is expanded by a grommet expansion jig, stress concentrates on the end of the slit on the annular base side, but the end of the slit on the annular base side is reinforced by increasing its wall thickness. Therefore, it is possible to withstand this concentrated stress.
【０００８】[0008]
【実施例】以下図面に基づいて本考案の実施例を説明す
る。Embodiments of the present invention will be described below with reference to the drawings.
【０００９】図１は本考案に係るグロメットの一実施例
を示す。図中、グロメット２０は厚肉の環状基部２１
と、この環状基部２１よりも径の小さい薄肉の狭小筒部
２２と、これらを軸方向に結合する連結部２３とから構
成され、ゴム等の弾性材により一体成形されている。FIG. 1 shows an embodiment of the grommet according to the present invention. In the figure, the grommet 20 is a thick annular base portion 21.
And a thin narrow tubular portion 22 having a diameter smaller than that of the annular base portion 21 and a connecting portion 23 that couples these in the axial direction, and is integrally formed of an elastic material such as rubber.
【００１０】狭小筒部２２は、その先端から連結部２３
に向って軸方向へ延び、周壁を複数に分割したスリット
２４を設け、これらのスリット２４により形成された複
数の遊動片２２ａを有している。また、各スリット２４
の環状基部２１側の端部には、その周辺の肉厚を増大し
た厚肉部としての外方へ突出した突起２２ｂを設け、ス
リット２４の環状基部２１側の端部を補強している。The narrow tube portion 22 has a connecting portion 23 from its tip.
Is provided with a slit 24 that extends in the axial direction toward the outer peripheral wall and divides the peripheral wall into a plurality of slits, and has a plurality of floating pieces 22a formed by these slits 24. In addition, each slit 24
At the end portion on the side of the annular base portion 21, a protrusion 22b that protrudes outward is provided as a thick portion having an increased thickness around the periphery thereof, and the end portion of the slit 24 on the side of the annular base portion 21 is reinforced.
【００１１】環状基部２１は、その外周面に周溝２５を
有し、図２に示すように、この周溝２５は車両のパネル
２６等に穿設された所定の支持孔２７の孔縁を挾持する
ようになっている。The annular base portion 21 has a peripheral groove 25 on its outer peripheral surface. As shown in FIG. 2, the peripheral groove 25 has a peripheral edge of a predetermined support hole 27 formed in a vehicle panel 26 or the like. It is designed to hold.
【００１２】このようなグロメットを用いて車両にワイ
ヤハーネス等を配索するには、従来例と同様に行うこと
ができる。すなわち、図２に示すように、グロメットの
狭小筒部２２をグロメット拡張治具などにより拡張しワ
イヤハーネス２９等を狭小筒部２２に嵌挿する。続いて
グロメット２０の環状基部２１の周溝２５を車両のパネ
ル２６等の所定の支持孔２７に嵌着する。次に粘着テー
プ２８を狭小筒部２２の遊動片２２ａに捲き付けてグロ
メット狭小筒部２２をワイヤハーネス等に固着し、ワイ
ヤハーネス等の配索を行っている。Wiring a wire harness or the like to a vehicle using such a grommet can be performed in the same manner as in the conventional example. That is, as shown in FIG. 2, the narrow tubular portion 22 of the grommet is expanded by a grommet extension jig or the like, and the wire harness 29 or the like is fitted into the narrow tubular portion 22. Then, the circumferential groove 25 of the annular base portion 21 of the grommet 20 is fitted into a predetermined support hole 27 of the vehicle panel 26 or the like. Next, the adhesive tape 28 is wound around the floating piece 22a of the narrow tubular portion 22 to fix the grommet narrow tubular portion 22 to a wire harness or the like, and wiring of the wire harness or the like is performed.
【００１３】しかしながら、狭小筒部２２を拡張する
際、スリット２４の環状基部２１側の端部に集中応力が
作用する。しかし、スリット２４の環状基部２１側の端
部周縁が突起２２ｂにより補強されているので、遊動片
２２ａの基部に亀裂などの損傷を生じることができな
い。However, when the narrow tubular portion 22 is expanded, concentrated stress acts on the end portion of the slit 24 on the side of the annular base portion 21. However, since the peripheral edge of the slit 24 on the side of the annular base portion 21 is reinforced by the protrusion 22b, damage such as cracks cannot occur in the base portion of the floating piece 22a.
【００１４】なお、上記実施例では突起２２ｂを狭小筒
部２２の外方へ突出させたが、これに限定されず、図３
または図４に示すように厚肉部としての突起２２ｃを狭
小筒部２２の内方へ、または厚肉部としての突起２２ｄ
を狭小筒部２２の内方および外方の何れへも突出させる
こともできる。上記の何れの場合にもスリット２４の環
状基部２１側の端部周縁の肉厚を増大できるので、上記
実施例の場合と同様な作用効果を有する。Although the projection 22b is projected to the outside of the narrow tubular portion 22 in the above embodiment, the invention is not limited to this, and FIG.
Alternatively, as shown in FIG. 4, the protrusion 22c as the thick portion is inward of the narrow tubular portion 22, or the protrusion 22d as the thick portion.
It is also possible to project the inside of the narrow tubular portion 22 and the outside thereof. In any of the above cases, the thickness of the peripheral edge of the slit 24 on the side of the annular base portion 21 can be increased, so that the same operational effect as in the case of the above embodiment can be obtained.
【００１５】図５には、本考案に係るグロメットの他の
実施例を示してある。この図において、図１の実施例と
同様の部材には、同一の符号を付して比較対照を容易に
してある。FIG. 5 shows another embodiment of the grommet according to the present invention. In this figure, the same members as those in the embodiment of FIG. 1 are designated by the same reference numerals to facilitate comparison and comparison.
【００１６】図５において、狭小筒部３１は、その先端
から連結部３３へ向って軸方向へ延び、周壁を複数に分
割したスリット３２を設け、これらのスリット３２によ
り形成された複数の遊動片３１ａを有している。さら
に、各遊動片３１ａの周縁および隣接する遊動片３１ａ
の間のスリット３２の端部には、外方へ突出した厚肉部
としての一続きの突部３１ｂを設けてある。この一続き
の突部３１ｂはスリット３２の環状基部２１側の端部周
縁の肉厚を増大し、その端部を補強している。In FIG. 5, the narrow tubular portion 31 extends axially from its tip toward the connecting portion 33 and has slits 32 formed by dividing the peripheral wall into a plurality of slits, and a plurality of floating pieces formed by these slits 32. 31a. Furthermore, the periphery of each floating piece 31a and the adjacent floating piece 31a
At the end of the slit 32 between them is provided a continuous projection 31b as a thick portion protruding outward. The continuous projection 31b increases the wall thickness of the end of the slit 32 on the side of the annular base 21 and reinforces the end.
【００１７】上記以外の部分については、図１の実施例
の場合と同様な構成をなしている。The parts other than the above have the same structure as in the embodiment of FIG.
【００１８】このような構成によれば、グロメット拡張
治具などにより狭小筒部３１を拡張しワイヤハーネス等
をグロメット３０に嵌挿する際、図１の実施例と同様
に、スリット３２の環状基部２１側の端部に集中応力が
作用する。しかし、スリット３２の環状基部２１側の端
部周縁が一続きの突部３１ｂにより補強されているの
で、遊動片３１ａの基部に亀裂などの損傷を生じること
ができない。According to this structure, when the narrow tubular portion 31 is expanded by the grommet expansion jig or the like and the wire harness or the like is fitted into the grommet 30, the annular base portion of the slit 32 is similar to the embodiment of FIG. Concentrated stress acts on the end on the 21st side. However, since the peripheral edge of the slit 32 on the side of the annular base 21 is reinforced by the continuous projection 31b, damage such as cracks cannot occur in the base of the floating piece 31a.
【００１９】なお、図５の実施例では一続きの突部３１
ｂを狭小筒部３１の外方へ突出させたが、これに限定さ
れず、図６または図７に示すように一続きの突部３１ｃ
を狭小筒部３１の内方へ、または一続きの突部３１ｄを
狭小筒部３１の内方および外方の何れへも突出させるこ
ともできる。上記の何れの場合にもスリット３２の環状
基部２１側の端部周縁の肉厚を増大し、スリット３２の
環状基部２１側の端部を補強できるので上記実施例の場
合と同様な作用効果を有する。In the embodiment of FIG. 5, a series of protrusions 31
Although b is projected to the outside of the narrow tubular portion 31, it is not limited to this, and as shown in FIG. 6 or FIG.
Can be projected inward of the narrow tubular portion 31, or a series of protrusions 31d can be projected both inward and outward of the narrow tubular portion 31. In any of the above cases, it is possible to increase the thickness of the peripheral edge of the slit 32 on the side of the annular base portion 21 and reinforce the end portion of the slit 32 on the side of the annular base portion 21. Have.
【００２０】[0020]
【考案の効果】以上説明したように本考案によれば、グ
ロメット拡張治具などによりグロメットの狭小筒部を拡
張する際、スリットの環状基部側の端部が、その端部に
作用する集中応力に抗することができるので、スリット
の環状基部側の端部に亀裂などの損傷を生じないという
効果を有する。As described above, according to the present invention, when the narrow tubular portion of the grommet is expanded by the grommet expansion jig or the like, the end of the slit on the annular base side acts on the concentrated stress applied to the end. Therefore, it has an effect that damage such as cracks does not occur at the end portion of the slit on the side of the annular base portion.
【図１】(a) 本考案に係るグロメットの一実施例を示す
一部破断斜視図である。 (b) 図１(a) のＡ−Ａ線断面図である。FIG. 1 (a) is a partially cutaway perspective view showing an embodiment of a grommet according to the present invention. (b) It is the sectional view on the AA line of FIG.
【図２】図１(a) のグロメットにワイヤハーネス等を嵌
挿し該グロメットを車両のパネル等の支持孔に嵌着した
状態を示す断面図である。FIG. 2 is a cross-sectional view showing a state in which a wire harness or the like is fitted into the grommet of FIG. 1 (a) and the grommet is fitted into a support hole of a vehicle panel or the like.
【図３】本考案に係るグロメットの他の実施例を示す断
面図である。FIG. 3 is a sectional view showing another embodiment of the grommet according to the present invention.
【図４】本考案に係るグロメットの他の実施例を示す断
面図である。FIG. 4 is a sectional view showing another embodiment of the grommet according to the present invention.
【図５】(a) 本考案に係るグロメットの他の実施例を示
す一部破断斜視図である。 (b) 図５(a) のＢ−Ｂ線断面図である。FIG. 5 (a) is a partially cutaway perspective view showing another embodiment of the grommet according to the present invention. (b) It is the BB sectional view taken on the line of FIG. 5 (a).
【図６】本考案に係るグロメットの他の実施例を示す一
部破断平面図である。FIG. 6 is a partially cutaway plan view showing another embodiment of the grommet according to the present invention.
【図７】本考案に係るグロメットの他の実施例を示す一
部破断平面図である。FIG. 7 is a partially cutaway plan view showing another embodiment of the grommet according to the present invention.
【図８】(a) 従来のグロメットの一例を示す一部破断斜
視図である。 (b) 図８(a) のＣ−Ｃ線断面図である。FIG. 8 (a) is a partially cutaway perspective view showing an example of a conventional grommet. (b) It is the CC sectional view taken on the line of FIG.
２０，３０ グロメット ２１ 環状基部 ２２，３１ 狭小筒部 ２２ａ，３１ａ 遊動片 ２２ｂ，２２ｃ，２２ｄ 突起（厚肉部） ２３，３３ 連結部 ２４，３２ スリット ２５ 周溝 ２６ パネル ２７ 支持孔 ３１ｂ，３１ｃ，３１ｄ 突部（厚肉部） 20, 30 Grommet 21 Annular base portion 22, 31 Narrow tubular portion 22a, 31a Floating piece 22b, 22c, 22d Protrusion (thick portion) 23, 33 Connecting portion 24, 32 Slit 25 Circular groove 26 Panel 27 Support hole 31b, 31c, 31d Projection (thick part)
Claims (1)
縁を挾持する周溝を外周面に有した環状基部と、先端か
ら軸方向に延びた複数のスリットを周壁に設けることに
より、複数の遊動片を形成され前記環状基部よりも径の
小さい狭小筒部とから成るグロメットにおいて、 前記スリットの環状基部側の端部周縁に厚肉部を設け、
該端部を補強したことを特徴とするグロメット。1. A ring-shaped base having an outer peripheral surface having a peripheral groove that holds a hole edge of a support hole formed in a vehicle panel or the like, and a plurality of slits axially extending from a tip of the peripheral base. A grommet formed of a plurality of floating pieces and a narrow tubular portion having a diameter smaller than that of the annular base portion, wherein a thick wall portion is provided at an end peripheral edge of the slit on the annular base portion side,
A grommet having the end portion reinforced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8931291U JP2515131Y2 (en) | 1991-10-30 | 1991-10-30 | Grommet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8931291U JP2515131Y2 (en) | 1991-10-30 | 1991-10-30 | Grommet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0541030U JPH0541030U (en) | 1993-06-01 |
| JP2515131Y2 true JP2515131Y2 (en) | 1996-10-30 |
Family
ID=13967154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8931291U Expired - Lifetime JP2515131Y2 (en) | 1991-10-30 | 1991-10-30 | Grommet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2515131Y2 (en) |
-
1991
- 1991-10-30 JP JP8931291U patent/JP2515131Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0541030U (en) | 1993-06-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |