JP6141147B2 - Harness protection member - Google Patents

Harness protection member Download PDF

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Publication number
JP6141147B2
JP6141147B2 JP2013170599A JP2013170599A JP6141147B2 JP 6141147 B2 JP6141147 B2 JP 6141147B2 JP 2013170599 A JP2013170599 A JP 2013170599A JP 2013170599 A JP2013170599 A JP 2013170599A JP 6141147 B2 JP6141147 B2 JP 6141147B2
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insertion hole
harness
flange
grommet
annular member
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JP2015042039A (en
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正義 亀ノ上
正義 亀ノ上
裕幸 片山
裕幸 片山
宗敏 才上
宗敏 才上
太郎 玉川
太郎 玉川
禎久 山田
禎久 山田
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Mazda Motor Corp
Yazaki Corp
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Mazda Motor Corp
Yazaki Corp
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Description

本発明は、壁板に貫通形成されたハーネス挿通孔に嵌合装着するハーネス保護部材に関する。   The present invention relates to a harness protection member that fits and attaches to a harness insertion hole formed through a wall plate.

図10〜図13は、壁板に貫通形成されたハーネス挿通孔のエッジによってワイヤハーネスが傷つくことを防止するための従来の対応を示したものである。   FIGS. 10-13 shows the conventional response | compatibility for preventing a wire harness being damaged by the edge of the harness penetration hole penetrated by the wall board.

図10は、壁板101に貫通形成されたハーネス挿通孔110の縁111を裏側に折り返すヘミング加工によって、ハーネス挿通孔110のエッジ112がワイヤハーネスに当たらないようにしたものである。なお、図10〜図12に示す矢印A1は、ワイヤハーネスの挿通方向を示している。   FIG. 10 shows that the edge 112 of the harness insertion hole 110 does not hit the wire harness by a hemming process in which the edge 111 of the harness insertion hole 110 formed through the wall plate 101 is folded back. In addition, arrow A1 shown in FIGS. 10-12 has shown the insertion direction of a wire harness.

図11は、壁板101に貫通形成されたハーネス挿通孔110の縁111を筒状に押し広げるバーリング加工によって、ハーネス挿通孔110のエッジ112がワイヤハーネスに当たらないようにしたものである。   FIG. 11 shows an example in which the edge 112 of the harness insertion hole 110 does not hit the wire harness by a burring process that pushes the edge 111 of the harness insertion hole 110 formed through the wall plate 101 into a cylindrical shape.

図12は、壁板101に貫通形成されたハーネス挿通孔110のエッジ112はそのままにして、ワイヤハーネス120に保護シート130を被せてワイヤハーネス120の挿通を行い、挿通時におけるワイヤハーネス120の傷つきを防止するものである。   In FIG. 12, the edge 112 of the harness insertion hole 110 penetratingly formed in the wall plate 101 is left as it is, and the wire harness 120 is inserted by covering the wire harness 120 with the protective sheet 130, and the wire harness 120 is damaged at the time of insertion. Is to prevent.

図13は、ワイヤハーネスの保護のために、壁板101に貫通形成されたハーネス挿通孔110に嵌合装着されるハーネス保護部材200を示したものである。   FIG. 13 shows a harness protection member 200 fitted and attached to a harness insertion hole 110 formed through the wall plate 101 to protect the wire harness.

このハーネス保護部材200は、下記特許文献1に開示されたもので、樹脂による一体成形品である。このハーネス保護部材200は、ハーネス挿通孔110の周縁部に重なる環状のリング部210と、該リング部210からハーネス挿通孔110の貫通方向に突出してリング部210をハーネス挿通孔110の周縁に固定する複数の係止片220と、リング部210に可撓性ヒンジ部230を介して一体形成された2つの閉止板240と、を備えている。   This harness protection member 200 is disclosed in Patent Document 1 below, and is an integrally molded product made of resin. The harness protection member 200 has an annular ring portion 210 that overlaps the peripheral edge portion of the harness insertion hole 110, and protrudes from the ring portion 210 in the penetration direction of the harness insertion hole 110 to fix the ring portion 210 to the peripheral edge of the harness insertion hole 110. A plurality of locking pieces 220 and two closing plates 240 formed integrally with the ring portion 210 via a flexible hinge portion 230.

閉止板240は、可撓性ヒンジ部230により矢印A2方向に開閉可能で、閉じると、外周部がリング部210の上に重なり、ハーネス挿通孔110の上を覆う。また、閉止板240は、中央部にワイヤハーネスを挿通する半円状の孔部241を備える。また、孔部241よりも外径の大きなワイヤハーネスも挿通可能にするために、閉止板240には、孔部241から径方向に延びたスリット242が形成されている。   The closing plate 240 can be opened and closed in the direction of the arrow A2 by the flexible hinge portion 230. When the closing plate 240 is closed, the outer peripheral portion overlaps the ring portion 210 and covers the harness insertion hole 110. Further, the closing plate 240 includes a semicircular hole 241 through which the wire harness is inserted at the center. Further, in order to allow insertion of a wire harness having an outer diameter larger than that of the hole portion 241, a slit 242 extending in the radial direction from the hole portion 241 is formed in the closing plate 240.

特開2009−237496号公報JP 2009-237496 A

ところが、図10及び図11の対応では、1つのハーネス挿通孔110毎に個別に加工が必要で、しかも加工自体に手間がかかるため、量産によりコスト低減を図ることができないという問題があった。   However, in the correspondence of FIG. 10 and FIG. 11, each harness insertion hole 110 needs to be processed individually, and the processing itself takes time, so that there is a problem that cost reduction cannot be achieved by mass production.

また、図10及び図11の対応では、孔の縁に充分な厚みを持たせることが難しい。そのため、孔の縁に充分な厚みを付与して、孔の縁にワイヤハーネスが当たったときにワイヤハーネスが受ける負担を軽減することが難しいという問題もあった。   10 and 11, it is difficult to give a sufficient thickness to the edge of the hole. For this reason, there is a problem in that it is difficult to reduce the burden that the wire harness receives when the wire harness hits the edge of the hole by giving a sufficient thickness to the edge of the hole.

また、図12の対応では、ハーネス挿通孔110にワイヤハーネス120を挿通した後に保護シート130が外されると、ワイヤハーネス120がハーネス挿通孔110のエッジ112に直接当たる状態となって、エッジ112がワイヤハーネス120を傷つけるおそれがあった。
また、貫通させるワイヤハーネス120の長さが長いほど、保護シート130を長くする必要があり、作業性の悪化、コスト増加のおそれがある。
Further, in the correspondence of FIG. 12, when the protective sheet 130 is removed after the wire harness 120 is inserted into the harness insertion hole 110, the wire harness 120 directly contacts the edge 112 of the harness insertion hole 110. May damage the wire harness 120.
Moreover, as the length of the wire harness 120 to be penetrated is longer, it is necessary to lengthen the protective sheet 130, which may deteriorate workability and increase costs.

また、図13に示した特許文献1のハーネス保護部材200は、ハーネス挿通孔110のエッジ112の部分は特に覆っておらず、壁板101のリング部210が重なる側とは逆側の面では、ハーネス挿通孔110のエッジ112が露出しており、エッジ112とワイヤハーネスとの接触によるワイヤハーネスの損傷を引き起こすおそれがあった。   Further, the harness protection member 200 of Patent Document 1 shown in FIG. 13 does not particularly cover the edge 112 portion of the harness insertion hole 110, and is on the side opposite to the side where the ring portion 210 of the wall plate 101 overlaps. Further, the edge 112 of the harness insertion hole 110 is exposed, and there is a risk of causing damage to the wire harness due to contact between the edge 112 and the wire harness.

更に、特許文献1のハーネス保護部材200は、閉止板240に多数のスリット242が形成されているため、防水性を確保することができないという問題もあった。   Furthermore, the harness protection member 200 of Patent Document 1 has a problem that waterproofness cannot be ensured because many slits 242 are formed in the closing plate 240.

そこで、本発明の目的は、上記課題を解消することに係り、エッジがワイヤハーネスに接触することを確実に防止すると同時に、ハーネス挿通孔の縁に充分な厚みを付与して、ワイヤハーネスに対して高い保護性能を確保することができ、また、量産によるコスト低減を図ることができるハーネス保護部材を提供することにある。   Accordingly, an object of the present invention is to eliminate the above-described problems, and to reliably prevent the edge from coming into contact with the wire harness, and at the same time, impart sufficient thickness to the edge of the harness insertion hole to An object of the present invention is to provide a harness protection member that can ensure high protection performance and can reduce the cost by mass production.

本発明の前述した目的は、下記の構成により達成される。
(1)ハーネス挿通孔が貫通形成された壁板の一方の側から前記ハーネス挿通孔に嵌合装着される樹脂製の第1の環状部材と、該第1の環状部材の内側に嵌合装着される樹脂製の第2の環状部材と、を備え、
前記第1の環状部材は、前記ハーネス挿通孔の周縁に重なるリング状の第1フランジ部と、該第1フランジ部の内周から前記ハーネス挿通孔の貫通方向に延出して前記ハーネス挿通孔の内周面を覆う第1筒状部と、該第1筒状部の周方向に離間した複数箇所において前記第1筒状部の先端から前記壁板の表面に沿って突出して前記第1フランジ部との間で前記ハーネス挿通孔の周縁を挟持して前記壁板への固定を果たす複数の第1係止突起と、隣り合う前記第1係止突起間となる前記第1筒状部上の領域において周方向に所定の長さを切除した筒部切欠部と該筒部切欠部に連ねて前記第1フランジ部の内周側の領域を切り欠いて前記第1フランジ部の下の壁板を露呈させたフランジ切欠部と、を備えた複数の相手部材用切欠部と、を備え、
前記フランジ切欠部に露呈している前記壁板に、前記第2の環状部材を構成部品として含むグロメットを装着可能であることを特徴とするハーネス保護部材。
The above-described object of the present invention is achieved by the following configuration.
(1) A resin-made first annular member that is fitted into and attached to the harness insertion hole from one side of the wall plate through which the harness insertion hole is formed, and a fitting attachment inside the first annular member A second annular member made of resin,
The first annular member includes a ring-shaped first flange portion that overlaps a peripheral edge of the harness insertion hole, and extends from the inner periphery of the first flange portion in the penetration direction of the harness insertion hole. A first cylindrical portion covering an inner peripheral surface, and the first flange protruding from the tip of the first cylindrical portion along the surface of the wall plate at a plurality of locations spaced in the circumferential direction of the first cylindrical portion; A plurality of first locking projections that clamp the periphery of the harness insertion hole between the first and second locking projections, and the first cylindrical portion that is between the adjacent first locking projections A cylindrical notch portion in which a predetermined length is cut in the circumferential direction in the region, and an inner peripheral side region of the first flange portion connected to the cylindrical notch portion, and a wall below the first flange portion A flange notch that exposes the plate, and a plurality of notch parts for a mating member,
A harness protection member characterized in that a grommet including the second annular member as a component can be attached to the wall plate exposed to the flange notch.

(2)前記筒部切欠部及びフランジ切欠部の周方向の幅寸法は、ハーネス挿通孔に挿通される電線の外径よりも小さく設定されていることを特徴とする上記(1)に記載のハーネス保護部材。   (2) The circumferential width dimension of the cylindrical part notch part and the flange notch part is set to be smaller than the outer diameter of the electric wire inserted into the harness insertion hole. Harness protection member.

(3)前記第2の環状部材は、前記壁板の他方の側から前記ハーネス挿通孔の周縁に重なるリング状の第2フランジ部と、該第2フランジ部の内周から前記ハーネス挿通孔の貫通方向に延出して前記第1筒状部の内側に嵌合する第2筒状部と、該第2筒状部の先端で前記フランジ切欠部に対応する位置から前記フランジ切欠部に露呈している前記壁板の表面に沿って突出して前記第2フランジ部との間で前記ハーネス挿通孔の周縁を挟持して前記壁板への固定を果たす複数の第2係止突起と、を備えて前記グロメットのグロメットインナー部材を構成し、
前記グロメットは、前記第2の環状部材に装着されて前記ハーネス挿通孔を閉塞するグロメットアウター部材を構成部品として含み、
前記グロメットの前記第2の環状部材が前記壁板に係止される
ことを特徴とする上記(1)又は(2)に記載のハーネス保護部材。
(3) The second annular member includes a ring-shaped second flange portion that overlaps with a peripheral edge of the harness insertion hole from the other side of the wall plate, and an harness insertion hole that extends from the inner periphery of the second flange portion. A second cylindrical portion extending in the penetrating direction and fitted inside the first cylindrical portion, and exposed to the flange notch from a position corresponding to the flange notch at the tip of the second cylindrical portion. A plurality of second locking projections that protrude along the surface of the wall plate and sandwich the periphery of the harness insertion hole between the second flange portion and perform fixing to the wall plate. The grommet inner member of the grommet,
The grommet includes a grommet outer member that is mounted on the second annular member and closes the harness insertion hole as a component.
The harness protection member according to (1) or (2), wherein the second annular member of the grommet is locked to the wall plate.

上記(1)の構成によれば、ハーネス保護部材を構成する第1の環状部材は、樹脂製であるため、量産によってコスト低減を図ることができる。また、壁板に形成されたハーネス挿通孔の内周のエッジ部分は、第1の環状部材の第1筒状部で覆われる。従って、グロメット(グロメットインナー部材とグロメットアウター部材とを組み合わせたもの)をハーネス挿通孔に装着する時に、長さ方向に移動するワイヤハーネスがエッジに接触することを確実に防止することができ、エッジの接触によるワイヤハーネスの傷つきを確実に防止することができる。   According to the configuration of (1) above, the first annular member constituting the harness protection member is made of resin, so that cost reduction can be achieved by mass production. Moreover, the edge part of the inner periphery of the harness penetration hole formed in the wall board is covered with the 1st cylindrical part of a 1st annular member. Therefore, when attaching the grommet (a combination of the grommet inner member and the grommet outer member) to the harness insertion hole, it is possible to reliably prevent the wire harness moving in the length direction from coming into contact with the edge. It is possible to reliably prevent the wire harness from being damaged by the contact.

上記(2)の構成によれば、第1フランジ部の筒部切欠部及びフランジ切欠部の周方向の長さが、ハーネス挿通孔を挿通する電線の外径よりも小さく設定されている。そのため、例えば、グロメット装着時にワイヤハーネスがハーネス挿通孔のエッジに対し長さ方向に移動する際に、筒部切欠部及びフランジ切欠部に露呈するハーネス挿通孔のエッジに電線が接触することを防止することができる。   According to the configuration of (2) above, the circumferential lengths of the cylindrical notch portion and the flange notch portion of the first flange portion are set to be smaller than the outer diameter of the electric wire that passes through the harness insertion hole. Therefore, for example, when the wire harness moves in the length direction with respect to the edge of the harness insertion hole when the grommet is attached, the electric wire is prevented from coming into contact with the edge of the harness insertion hole exposed to the cylindrical notch portion and the flange notch portion. can do.

上記(3)の構成によれば、グロメットをハーネス挿通孔に確実に固定することができ、グロメットによりハーネス挿通孔を確実に防水することができる。   According to the configuration of (3) above, the grommet can be reliably fixed to the harness insertion hole, and the harness insertion hole can be reliably waterproofed by the grommet.

本発明によるハーネス保護部材によれば、グロメット装着時(ワイヤハーネス挿通時)に、エッジがワイヤハーネスに接触することを確実に防止すると共に、量産によるコスト低減を図ることができる。   According to the harness protection member of the present invention, when the grommet is mounted (when the wire harness is inserted), it is possible to reliably prevent the edge from coming into contact with the wire harness and to reduce the cost by mass production.

以上、本発明について簡潔に説明した。更に、以下に説明される発明を実施するための形態(以下、「実施形態」という。)を添付の図面を参照して通読することにより、本発明の詳細は更に明確化されるであろう。   The present invention has been briefly described above. Further, the details of the present invention will be further clarified by reading through a mode for carrying out the invention described below (hereinafter referred to as “embodiment”) with reference to the accompanying drawings. .

図1は本発明に係るハーネス保護部材の一実施形態の使用状態を示す斜視図である。FIG. 1 is a perspective view showing a usage state of an embodiment of a harness protection member according to the present invention. 図2は図1に示した第1の環状部材が壁板のハーネス挿通孔に取り付けられた状態の斜視図である。FIG. 2 is a perspective view showing a state in which the first annular member shown in FIG. 1 is attached to the harness insertion hole of the wall plate. 図3は図2のB−B線に沿う断面図である。3 is a cross-sectional view taken along line BB in FIG. 図4は壁板のハーネス挿通孔に第1の環状部材とグロメットインナー部材とが取り付けられた状態の斜視図である。FIG. 4 is a perspective view of a state in which the first annular member and the grommet inner member are attached to the harness insertion hole of the wall plate. 図5は図4に示した取り付け状態を、壁板の同一側で別の角度から視た斜視図である。FIG. 5 is a perspective view of the attachment state shown in FIG. 4 viewed from another angle on the same side of the wall plate. 図6は図4に示した取り付け状態を、壁板の裏側から視た斜視図である。FIG. 6 is a perspective view of the attachment state shown in FIG. 4 as viewed from the back side of the wall plate. 図7はグロメットを第1の環状部材に装着した状態の斜視図である。FIG. 7 is a perspective view of a state in which the grommet is attached to the first annular member. 図8はグロメットを第1の環状部材に装着した状態を図7と反対側から視た状態の斜視図である。FIG. 8 is a perspective view of a state in which the grommet is attached to the first annular member as viewed from the opposite side to FIG. 図9はグロメットを第1の環状部材に装着した状態の部分断面図である。FIG. 9 is a partial cross-sectional view of a state where the grommet is attached to the first annular member. 図10は従来のハーネス挿通孔のワイヤハーネス保護構造の説明図である。FIG. 10 is an explanatory view of a conventional wire harness protection structure of a harness insertion hole. 図11は従来のハーネス挿通孔のワイヤハーネス保護構造の別の例の説明図である。FIG. 11 is an explanatory view of another example of a conventional wire harness protection structure of a harness insertion hole. 図12は従来のハーネス挿通孔に対するワイヤハーネス保護の別の例の説明図である。FIG. 12 is an explanatory diagram of another example of wire harness protection for a conventional harness insertion hole. 図13は従来のハーネス保護部材の斜視図である。FIG. 13 is a perspective view of a conventional harness protection member.

以下、本発明に係るハーネス保護部材の好適な実施形態について、図面を参照して詳細に説明する。   Hereinafter, preferred embodiments of a harness protection member according to the present invention will be described in detail with reference to the drawings.

図1〜図9は本発明に係るハーネス保護部材の一実施形態を示したもので、図1は本発明の一実施形態のハーネス保護部材の使用状態を示す斜視図、図2は図1に示した第1の環状部材が壁板のハーネス挿通孔に取り付けられた状態の斜視図、図3は図2のB−B線に沿う断面図、図4は壁板のハーネス挿通孔に第1の環状部材とグロメットインナー部材とが取り付けられた状態の斜視図、図5は図4に示した取り付け状態を、壁板の同一側で別の角度から視た斜視図、図6は図4に示した取り付け状態を、壁板の裏側から視た斜視図、図7はグロメットを第1の環状部材に装着した状態の斜視図、図8はグロメットを第1の環状部材に装着した状態を図7と反対側から視た状態の斜視図、図9はグロメットを第1の環状部材に装着した状態の部分断面図である。   1 to 9 show an embodiment of a harness protection member according to the present invention, FIG. 1 is a perspective view showing a use state of the harness protection member of an embodiment of the present invention, and FIG. FIG. 3 is a cross-sectional view taken along the line B-B of FIG. 2, and FIG. 4 is a first view of the wall plate harness insertion hole. 5 is a perspective view of a state in which the annular member and the grommet inner member are attached, FIG. 5 is a perspective view of the attachment state shown in FIG. 4 viewed from another angle on the same side of the wall plate, and FIG. FIG. 7 is a perspective view of a state where the grommet is attached to the first annular member, and FIG. 8 is a state where the grommet is attached to the first annular member. The perspective view of the state seen from the opposite side to 7, FIG. 9 is a state in which the grommet is attached to the first annular member Partial is a cross-sectional view.

本実施形態のハーネス保護部材1は、車両における車体パネル等の壁板3に貫通形成された楕円形状のハーネス挿通孔31の周縁を縁取りして、ハーネス挿通孔31に挿通されるワイヤハーネス4を保護する部材である。   The harness protection member 1 of the present embodiment includes a wire harness 4 inserted into the harness insertion hole 31 by trimming the periphery of an elliptical harness insertion hole 31 formed through a wall plate 3 such as a vehicle body panel in a vehicle. It is a member to protect.

本実施形態のハーネス保護部材1は、図1に示すように、第1の環状部材5と、グロメットインナー部材(第2の環状部材)6と、グロメットアウター部材9と、を備える。第1の環状部材5及びグロメットインナー部材6は、いずれも、樹脂の一体成形品である。グロメットアウター部材9は軟質ゴム製の一体成形品である。図7〜図9に示すように、グロメット10は、グロメットインナー部材6と、グロメットアウター部材9とが、公知の構成で結合されて構成される。   As shown in FIG. 1, the harness protection member 1 of the present embodiment includes a first annular member 5, a grommet inner member (second annular member) 6, and a grommet outer member 9. The first annular member 5 and the grommet inner member 6 are both integrally molded products of resin. The grommet outer member 9 is an integrally molded product made of soft rubber. As shown in FIGS. 7 to 9, the grommet 10 is configured by combining a grommet inner member 6 and a grommet outer member 9 with a known configuration.

第1の環状部材5は、図2に矢印A3で示すように、壁板3の一方の側から前記ハーネス挿通孔31に嵌合装着される。この第1の環状部材5は、図2及び図3に示すように、ハーネス挿通孔31の周縁に重なるリング状の第1フランジ部51と、該第1フランジ部51の内周からハーネス挿通孔31の貫通方向に延出した第1筒状部52と、第1筒状部52の周方向に離間した複数箇所に装備された複数の第1係止突起53と、隣り合う第1係止突起53間となる領域に装備された複数の相手部材用切欠部54と、を備えている。   The first annular member 5 is fitted and attached to the harness insertion hole 31 from one side of the wall plate 3 as indicated by an arrow A3 in FIG. As shown in FIGS. 2 and 3, the first annular member 5 includes a ring-shaped first flange portion 51 that overlaps the periphery of the harness insertion hole 31, and a harness insertion hole from the inner periphery of the first flange portion 51. The first cylindrical portion 52 extending in the penetrating direction of 31, the plurality of first locking projections 53 provided at a plurality of locations spaced in the circumferential direction of the first cylindrical portion 52, and the adjacent first locking A plurality of counterpart member cutouts 54 provided in the region between the protrusions 53.

第1フランジ部51は、ハーネス挿通孔31の形状に対応する楕円形状である。
第1筒状部52は、第1フランジ部51から突出する軸方向の長さが壁板3の板厚と略同一に設定されている。この第1筒状部52は、ハーネス挿通孔31の内周面(即ち、エッジ部)を覆っている。
The first flange portion 51 has an elliptical shape corresponding to the shape of the harness insertion hole 31.
The first cylindrical portion 52 has an axial length protruding from the first flange portion 51 set to be substantially the same as the plate thickness of the wall plate 3. The first tubular portion 52 covers the inner peripheral surface (that is, the edge portion) of the harness insertion hole 31.

複数の第1係止突起53は、本実施形態では、楕円形の長径方向に対向する2箇所と楕円形の短径方向に対向する2箇所の合計4箇所に装備されている。各第1係止突起53は、図3に示すように、第1筒状部52の先端から壁板3の表面に沿って突出した突起である。各第1係止突起53は、第1フランジ部51との間でハーネス挿通孔31の周縁を挟持して、壁板3への固定を果たす。   In the present embodiment, the plurality of first locking projections 53 are provided at a total of four locations, two locations facing the elliptical major axis direction and two locations facing the elliptical minor axis direction. As shown in FIG. 3, each first locking protrusion 53 is a protrusion protruding along the surface of the wall plate 3 from the tip of the first cylindrical portion 52. Each first locking projection 53 holds the peripheral edge of the harness insertion hole 31 between the first flange portion 51 and fixes to the wall plate 3.

複数の相手部材用切欠部54は、隣り合う第1係止突起53の中間となる位置にそれぞれ装備されている。各相手部材用切欠部54は、図3に示すように、第1筒状部52上の領域において周方向に所定の長さL1を切除した筒部切欠部541と、該筒部切欠部541に連ねて第1フランジ部51の内周側の領域を切り欠いたフランジ切欠部542と、で形成されている。フランジ切欠部542の周方向の長さは、筒部切欠部541の周方向の長さに一致している。フランジ切欠部542が形成された部位では、図3に示すように、第1フランジ部51の下の壁板3が露呈している。   The plurality of notch portions 54 for mating members are respectively provided at positions that are intermediate between the adjacent first locking projections 53. As shown in FIG. 3, each counterpart member cutout portion 54 includes a cylindrical cutout portion 541 in which a predetermined length L1 is cut in the circumferential direction in the region on the first cylindrical portion 52, and the cylindrical cutout portion 541. And a flange cutout portion 542 in which a region on the inner peripheral side of the first flange portion 51 is cut out. The circumferential length of the flange cutout portion 542 coincides with the circumferential length of the tubular cutout portion 541. In the site | part in which the flange notch part 542 was formed, as shown in FIG. 3, the wall board 3 under the 1st flange part 51 is exposed.

本実施形態の場合、筒部切欠部541及びフランジ切欠部542の周方向の幅寸法L1は、図3に示すように、ハーネス挿通孔31に挿通される電線41の外径D1よりも小さく設定されている。電線41は、ハーネス挿通孔31に挿通させるワイヤハーネス4を構成する電線である。   In the case of the present embodiment, the circumferential width dimension L1 of the cylindrical notch portion 541 and the flange notch portion 542 is set smaller than the outer diameter D1 of the electric wire 41 inserted through the harness insertion hole 31, as shown in FIG. Has been. The electric wire 41 is an electric wire constituting the wire harness 4 that is inserted into the harness insertion hole 31.

グロメットインナー部材6は、図1に矢印A4で示すように、壁板3の他方の側から、第1の環状部材5の内側に嵌合装着される。   The grommet inner member 6 is fitted and attached to the inside of the first annular member 5 from the other side of the wall plate 3 as indicated by an arrow A4 in FIG.

このグロメットインナー部材6は、図4〜図6に示すように、壁板3の他方の側からハーネス挿通孔31の周縁に重なるリング状の第2フランジ部61と、該第2フランジ部61の内周からハーネス挿通孔31の貫通方向に延出した第2筒状部62と、該第2筒状部62の先端に装備された複数の第2係止突起63と、を備えている。   As shown in FIGS. 4 to 6, the grommet inner member 6 includes a ring-shaped second flange portion 61 that overlaps the peripheral edge of the harness insertion hole 31 from the other side of the wall plate 3, and the second flange portion 61. A second cylindrical portion 62 extending from the inner periphery in the penetration direction of the harness insertion hole 31 and a plurality of second locking projections 63 provided at the tip of the second cylindrical portion 62 are provided.

第2フランジ部61は、ハーネス挿通孔31の形状に対応する楕円形状である。
第2筒状部62は、第2フランジ部61の内周からハーネス挿通孔31の貫通方向に延出して、第1の環状部材5よりも突出した頂部62aに至る外筒部621と、頂部62aから第2フランジ部61側にUターンする内筒部622と、を備えた2重筒構造である。
The second flange portion 61 has an elliptical shape corresponding to the shape of the harness insertion hole 31.
The second cylindrical portion 62 extends from the inner periphery of the second flange portion 61 in the penetration direction of the harness insertion hole 31, and reaches the top portion 62 a protruding from the first annular member 5. It is a double cylinder structure provided with the inner cylinder part 622 which makes a U-turn from 62a to the 2nd flange part 61 side.

第2筒状部62の先端である頂部62aは、壁板3よりも突出し、更に、第1の環状部材5よりも突出するように、軸方向の長さが設定されている。   The top portion 62 a that is the tip of the second cylindrical portion 62 is set to have an axial length so as to protrude from the wall plate 3 and further protrude from the first annular member 5.

また、第2筒状部62の先端の対向する2位置には、図4に示すように、ガイド部623が装備されている。これらのガイド部623は、ハーネス挿通孔31に装着された第1の環状部材5に、グロメット10を装着する際の、ガイド機能を有する。   In addition, as shown in FIG. 4, guide portions 623 are provided at two opposing positions at the tip of the second cylindrical portion 62. These guide portions 623 have a guide function when the grommet 10 is attached to the first annular member 5 attached to the harness insertion hole 31.

第2係止突起63は、第2筒状部62の先端でフランジ切欠部542に対応する4箇所に突設された突起である。この第2係止突起63は、図4及び図5に示すように、フランジ切欠部542に露呈している壁板3の表面に沿って突出している。この第2係止突起63は、第2フランジ部61との間で前記ハーネス挿通孔31の周縁を挟持して、壁板3への固定を果たす。   The second locking protrusions 63 are protrusions provided at the four ends corresponding to the flange notches 542 at the tip of the second cylindrical portion 62. As shown in FIGS. 4 and 5, the second locking protrusion 63 protrudes along the surface of the wall plate 3 exposed in the flange notch 542. The second locking protrusion 63 sandwiches the peripheral edge of the harness insertion hole 31 between the second flange portion 61 and secures it to the wall plate 3.

本実施形態の場合、図1に示すように、グロメットインナー部材6の第2筒状部62には、軟質ゴム製のグロメットアウター部材9が装着されて、グロメット10が構成されている。グロメット10は、グロメットインナー部材6にグロメットアウター部材9を装着した後に、ワイヤハーネス4が挿通される。そして、グロメット10がハーネス挿通孔31に装着されることで、ハーネス挿通孔31の防水性が確保される。   In the case of the present embodiment, as shown in FIG. 1, a grommet 10 is configured by attaching a grommet outer member 9 made of soft rubber to the second cylindrical portion 62 of the grommet inner member 6. The grommet 10 is inserted with the wire harness 4 after the grommet outer member 9 is attached to the grommet inner member 6. And the waterproofness of the harness insertion hole 31 is ensured because the grommet 10 is attached to the harness insertion hole 31.

本実施形態に示したグロメットアウター部材9は、図1に示すように、第2筒状部62に嵌合する本体部91と、該本体部91から延出した電線支持管部92と、を備えている。   As shown in FIG. 1, the grommet outer member 9 shown in the present embodiment includes a main body portion 91 that fits into the second cylindrical portion 62, and a wire support tube portion 92 that extends from the main body portion 91. I have.

ワイヤハーネス4をハーネス挿通孔31に通すには、まずハーネス挿通孔31に第1の環状部材5を装着する。次いで、グロメット10を装着したワイヤハーネス4を、図1に矢印A4で示すように、第1の環状部材5内へ挿通し、グロメットインナー部材6を第1の環状部材5に固定する。   In order to pass the wire harness 4 through the harness insertion hole 31, first, the first annular member 5 is attached to the harness insertion hole 31. Next, the wire harness 4 to which the grommet 10 is attached is inserted into the first annular member 5 and the grommet inner member 6 is fixed to the first annular member 5 as indicated by an arrow A4 in FIG.

以上に説明した一実施形態のハーネス保護部材1の場合、当該ハーネス保護部材を構成する第1の環状部材は、樹脂製であるため、量産によってコスト低減を図ることができる。また、壁板に形成されたハーネス挿通孔の内周のエッジ部分は、第1の環状部材の第1筒状部で覆われる。従って、グロメット10をハーネス挿通孔に装着する時に、長さ方向に移動するワイヤハーネス4がエッジに接触することを確実に防止することができ、エッジの接触によるワイヤハーネスの傷つきを確実に防止することができる。   In the case of the harness protection member 1 according to the embodiment described above, the first annular member constituting the harness protection member is made of resin, so that cost reduction can be achieved by mass production. Moreover, the edge part of the inner periphery of the harness penetration hole formed in the wall board is covered with the 1st cylindrical part of a 1st annular member. Therefore, when the grommet 10 is attached to the harness insertion hole, the wire harness 4 moving in the length direction can be reliably prevented from coming into contact with the edge, and the wire harness can be reliably prevented from being damaged by the contact of the edge. be able to.

また、一実施形態のハーネス保護部材1の場合、第1フランジ部51の筒部切欠部541及びフランジ切欠部542の周方向の長さL1が、ハーネス挿通孔31を挿通する電線41の外径D1よりも小さく設定されている。そのため、例えば、グロメット装着時にワイヤハーネス4がハーネス挿通孔31のエッジに対し長さ方向に移動する際に、筒部切欠部541及びフランジ切欠部542に露呈するハーネス挿通孔31のエッジに電線41が接触することを防止することができる。   Further, in the case of the harness protection member 1 of one embodiment, the circumferential length L1 of the cylindrical notch portion 541 and the flange notch portion 542 of the first flange portion 51 is the outer diameter of the electric wire 41 that passes through the harness insertion hole 31. It is set smaller than D1. Therefore, for example, when the wire harness 4 moves in the length direction with respect to the edge of the harness insertion hole 31 when the grommet is mounted, the electric wire 41 is formed on the edge of the harness insertion hole 31 exposed to the cylindrical notch portion 541 and the flange notch portion 542. Can be prevented from contacting.

なお、本発明は、上述した実施形態に限定されるものではなく、適宜、変形、改良、等が可能である。その他、上述した実施形態における各構成要素の材質、形状、寸法、数、配置箇所、等は本発明を達成できるものであれば任意であり、限定されない。   In addition, this invention is not limited to embodiment mentioned above, A deformation | transformation, improvement, etc. are possible suitably. In addition, the material, shape, dimensions, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.

ここで、上述した本発明に係るハーネス保護部材の実施形態の特徴をそれぞれ以下[1]〜[3]に簡潔に纏めて列記する。   Here, the features of the embodiment of the harness protection member according to the present invention described above are briefly summarized and listed in the following [1] to [3], respectively.

[1] ハーネス挿通孔(31)が貫通形成された壁板(3)の一方の側から前記ハーネス挿通孔(31)に嵌合装着される樹脂製の第1の環状部材(5)と、該第1の環状部材(5)の内側に嵌合装着される樹脂製の第2の環状部材(6)と、を備え、
前記第1の環状部材(5)は、前記ハーネス挿通孔(31)の周縁に重なるリング状の第1フランジ部(51)と、該第1フランジ部(51)の内周から前記ハーネス挿通孔(31)の貫通方向に延出して前記ハーネス挿通孔(31)の内周面を覆う第1筒状部(52)と、該第1筒状部(52)の周方向に離間した複数箇所において前記第1筒状部(52)の先端から前記壁板(3)の表面に沿って突出して前記第1フランジ部(51)との間で前記ハーネス挿通孔(31)の周縁を挟持して前記壁板(3)への固定を果たす複数の第1係止突起(53)と、隣り合う前記第1係止突起(53)間となる前記第1筒状部(52)上の領域において周方向に所定の長さを切除した筒部切欠部(541)と該筒部切欠部(541)に連ねて前記第1フランジ部(51)の内周側の領域を切り欠いて前記第1フランジ部(51)の下の前記壁板(3)を露呈させたフランジ切欠部(542)とを備えた複数の相手部材用切欠部(54)と、を備え、
前記フランジ切欠部(542)に露呈している前記壁板(3)に、前記第2の環状部材(6)を構成部品として含むグロメット(10)を装着可能であることを特徴とするハーネス保護部材(1)。
[1] A resin-made first annular member (5) fitted and attached to the harness insertion hole (31) from one side of the wall plate (3) through which the harness insertion hole (31) is formed, A resin-made second annular member (6) fitted and mounted inside the first annular member (5),
The first annular member (5) includes a ring-shaped first flange portion (51) that overlaps the periphery of the harness insertion hole (31), and the harness insertion hole from the inner periphery of the first flange portion (51). A first cylindrical portion (52) extending in the penetration direction of (31) and covering the inner peripheral surface of the harness insertion hole (31), and a plurality of locations spaced in the circumferential direction of the first cylindrical portion (52) And projecting along the surface of the wall plate (3) from the tip of the first tubular part (52), and sandwiching the periphery of the harness insertion hole (31) between the first flange part (51) and A plurality of first locking projections (53) that are fixed to the wall plate (3) and an area on the first tubular portion (52) between the adjacent first locking projections (53) And a cylindrical cutout portion (541) obtained by cutting a predetermined length in the circumferential direction and the cylindrical cutout portion (541). A plurality of mating members each having a flange notch portion (542) that exposes the wall plate (3) under the first flange portion (51) by notching a region on the inner peripheral side of the one flange portion (51). A notch (54) for members,
Harness protection characterized in that a grommet (10) including the second annular member (6) as a component can be attached to the wall plate (3) exposed to the flange notch (542). Member (1).

[2] 前記筒部切欠部(541)及び前記フランジ切欠部(542)の周方向の幅寸法(L1)は、前記ハーネス挿通孔(31)に挿通される電線(41)の外径(D1)よりも小さく設定されていることを特徴とする上記[1]に記載のハーネス保護部材(1)。   [2] The circumferential width dimension (L1) of the cylindrical notch (541) and the flange notch (542) is the outer diameter (D1) of the electric wire (41) inserted through the harness insertion hole (31). The harness protection member (1) according to the above [1], wherein the harness protection member (1) is set to be smaller than.

[3] 前記第2の環状部材(6)は、前記壁板(3)の他方の側から前記ハーネス挿通孔(31)の周縁に重なるリング状の第2フランジ部(61)と、該第2フランジ部(61)の内周から前記ハーネス挿通孔(31)の貫通方向に延出して前記第1筒状部(52)の内側に嵌合する第2筒状部(62)と、該第2筒状部(62)の先端で前記フランジ切欠部(542)に対応する位置から前記フランジ切欠部(542)に露呈している前記壁板(3)の表面に沿って突出して前記第2フランジ部(61)との間で前記ハーネス挿通孔(31)の周縁を挟持して前記壁板(3)への固定を果たす複数の第2係止突起(63)と、を備えて前記グロメット(10)のグロメットインナー部材(6)を構成し、
前記グロメット(10)は、前記第2の環状部材(6)に装着されて前記ハーネス挿通孔(31)を閉塞するグロメットアウター部材(9)を構成部品として含み、
前記グロメット(10)の前記第2の環状部材(6)が前記壁板3に係止される
ことを特徴とする上記[1]又は[2]に記載のハーネス保護部材(1)。
[3] The second annular member (6) includes a ring-shaped second flange portion (61) that overlaps a peripheral edge of the harness insertion hole (31) from the other side of the wall plate (3), and the first annular member (6). A second tubular portion (62) extending from the inner periphery of the two flange portions (61) in the penetration direction of the harness insertion hole (31) and fitting inside the first tubular portion (52); The second cylindrical portion (62) protrudes along the surface of the wall plate (3) exposed from the flange notch (542) from a position corresponding to the flange notch (542) at the tip of the second cylindrical portion (62). A plurality of second locking projections (63) that sandwich the periphery of the harness insertion hole (31) between the two flange portions (61) and that are fixed to the wall plate (3), and Constituting the grommet inner member (6) of the grommet (10),
The grommet (10) includes a grommet outer member (9) that is attached to the second annular member (6) and closes the harness insertion hole (31) as a component.
The harness protection member (1) according to [1] or [2], wherein the second annular member (6) of the grommet (10) is locked to the wall plate 3.

1 ハーネス保護部材
3 壁板
4 ワイヤハーネス
5 第1の環状部材
6 グロメットインナー部材(第2の環状部材)
9 グロメットアウター部材
10 グロメット
31 ハーネス挿通孔
51 第1フランジ部
52 第1筒状部
53 第1係止突起
54 相手部材用切欠部
61 第2フランジ部
62 第2筒状部
63 第2係止突起
541 筒部切欠部
542 フランジ切欠部
623 ガイド部
DESCRIPTION OF SYMBOLS 1 Harness protection member 3 Wall board 4 Wire harness 5 1st cyclic | annular member 6 Grommet inner member (2nd cyclic | annular member)
DESCRIPTION OF SYMBOLS 9 Grommet outer member 10 Grommet 31 Harness insertion hole 51 1st flange part 52 1st cylindrical part 53 1st latching protrusion 54 Notch part for mating members 61 2nd flange part 62 2nd cylindrical part 63 2nd latching protrusion 541 Tube part notch part 542 Flange notch part 623 Guide part

Claims (3)

ハーネス挿通孔が貫通形成された壁板の一方の側から前記ハーネス挿通孔に嵌合装着される樹脂製の第1の環状部材と、該第1の環状部材の内側に嵌合装着される樹脂製の第2の環状部材と、を備え、
前記第1の環状部材は、前記ハーネス挿通孔の周縁に重なるリング状の第1フランジ部と、該第1フランジ部の内周から前記ハーネス挿通孔の貫通方向に延出して前記ハーネス挿通孔の内周面を覆う第1筒状部と、該第1筒状部の周方向に離間した複数箇所において前記第1筒状部の先端から前記壁板の表面に沿って突出して前記第1フランジ部との間で前記ハーネス挿通孔の周縁を挟持して前記壁板への固定を果たす複数の第1係止突起と、隣り合う前記第1係止突起間となる前記第1筒状部上の領域において周方向に所定の長さを切除した筒部切欠部と該筒部切欠部に連ねて前記第1フランジ部の内周側の領域を切り欠いて前記第1フランジ部の下の壁板を露呈させたフランジ切欠部と、を備えた複数の相手部材用切欠部と、を備え、
前記フランジ切欠部に露呈している前記壁板に、前記第2の環状部材を構成部品として含むグロメットを装着可能であることを特徴とするハーネス保護部材。
A first annular member made of resin fitted and fitted into the harness penetration hole from one side of the wall plate through which the harness insertion hole is formed, and resin fitted and fitted inside the first annular member A second annular member made of,
The first annular member includes a ring-shaped first flange portion that overlaps a peripheral edge of the harness insertion hole, and extends from the inner periphery of the first flange portion in the penetration direction of the harness insertion hole. A first cylindrical portion covering an inner peripheral surface, and the first flange protruding from the tip of the first cylindrical portion along the surface of the wall plate at a plurality of locations spaced in the circumferential direction of the first cylindrical portion; A plurality of first locking projections that clamp the periphery of the harness insertion hole between the first and second locking projections, and the first cylindrical portion that is between the adjacent first locking projections A cylindrical notch portion in which a predetermined length is cut in the circumferential direction in the region, and an inner peripheral side region of the first flange portion connected to the cylindrical notch portion, and a wall below the first flange portion A flange notch that exposes the plate, and a plurality of notch parts for a mating member,
A harness protection member characterized in that a grommet including the second annular member as a component can be attached to the wall plate exposed to the flange notch.
前記筒部切欠部及び前記フランジ切欠部の周方向の幅寸法は、前記ハーネス挿通孔に挿通される電線の外径よりも小さく設定されていることを特徴とする請求項1に記載のハーネス保護部材。   2. The harness protection according to claim 1, wherein width dimensions in a circumferential direction of the cylindrical part notch part and the flange notch part are set to be smaller than an outer diameter of an electric wire inserted into the harness insertion hole. Element. 前記第2の環状部材は、前記壁板の他方の側から前記ハーネス挿通孔の周縁に重なるリング状の第2フランジ部と、該第2フランジ部の内周から前記ハーネス挿通孔の貫通方向に延出して前記第1筒状部の内側に嵌合する第2筒状部と、該第2筒状部の先端で前記フランジ切欠部に対応する位置から前記フランジ切欠部に露呈している前記壁板の表面に沿って突出して前記第2フランジ部との間で前記ハーネス挿通孔の周縁を挟持して前記壁板への固定を果たす複数の第2係止突起と、を備えて前記グロメットのグロメットインナー部材を構成し、
前記グロメットは、前記第2の環状部材に装着されて前記ハーネス挿通孔を閉塞するグロメットアウター部材を構成部品として含み、
前記グロメットの前記第2の環状部材が前記壁板に係止される
ことを特徴とする請求項1又は2に記載のハーネス保護部材。
The second annular member includes a ring-shaped second flange portion that overlaps the periphery of the harness insertion hole from the other side of the wall plate, and an inner periphery of the second flange portion in a through direction of the harness insertion hole. A second cylindrical portion that extends and fits inside the first cylindrical portion, and is exposed to the flange cutout portion from a position corresponding to the flange cutout portion at a tip of the second cylindrical portion. A plurality of second locking projections projecting along the surface of the wall plate and sandwiching a peripheral edge of the harness insertion hole between the second flange portion and securing to the wall plate, and the grommet The grommet inner member of
The grommet includes a grommet outer member that is mounted on the second annular member and closes the harness insertion hole as a component.
The harness protection member according to claim 1 or 2, wherein the second annular member of the grommet is locked to the wall plate.
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