JP2016126982A - Cutoff structure and wire harness - Google Patents

Cutoff structure and wire harness Download PDF

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Publication number
JP2016126982A
JP2016126982A JP2015002254A JP2015002254A JP2016126982A JP 2016126982 A JP2016126982 A JP 2016126982A JP 2015002254 A JP2015002254 A JP 2015002254A JP 2015002254 A JP2015002254 A JP 2015002254A JP 2016126982 A JP2016126982 A JP 2016126982A
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diameter
conductive path
water stop
small
conductive
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JP6061960B2 (en
Inventor
英臣 足立
Hideomi Adachi
英臣 足立
達也 雄鹿
Tatsuya Ojika
達也 雄鹿
秀彦 久保嶋
Hidehiko Kuboshima
秀彦 久保嶋
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Yazaki Corp
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Yazaki Corp
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Priority to DE102016200138.8A priority patent/DE102016200138A1/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/013—Sealing means for cable inlets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/02—Cable terminations
    • H02G15/04—Cable-end sealings
    • H02G15/043—Cable-end sealings with end caps, e.g. sleeve closed at one end
    • H02G15/046—Cable-end sealings with end caps, e.g. sleeve closed at one end with bores or protruding portions allowing passage of cable conductors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

Abstract

PROBLEM TO BE SOLVED: To provide a cutoff structure and a wire harness capable of surely achieving cutoff without being affected by vibration or wiring, and preventing damage on an electrical conduction path.SOLUTION: A wire harness W comprises on a harness terminal or a harness intermediate part, a cutoff structure part 1. The cutoff structure part 1 performs cutoff of moisture which passes outside of a braid 3 by a cutoff boot 6, and performs cutoff of moisture which passes between the braid 3 and electrical conduction paths 2, by a cutoff cock 7. The cutoff structure part 1 comprises: the electrical conduction paths 2; a conductive cylindrical braid 3 for collectively covering the electrical conduction paths 2; a conductive shield shell 4 contacting a partner metal member; the cylindrical rubber cutoff boot 6; the rubber cutoff cock 7 inserted into the shield shell 4; and a resin holder 8 inserted into the shield shell 4.SELECTED DRAWING: Figure 4

Description

本発明は、一又は複数本の導電路をシールドシェルに挿通する部分に設けられる止水構造と、この止水構造を止水構造部として採用してなるワイヤハーネスとに関する。   The present invention relates to a water stop structure provided at a portion where one or a plurality of conductive paths are inserted into a shield shell, and a wire harness formed by adopting the water stop structure as a water stop structure portion.

例えば、高電圧のワイヤハーネスを例に挙げると、下記特許文献１には、ハイブリッド自動車や電気自動車に搭載される高電圧の機器間を電気的に接続するワイヤハーネスが開示される。特許文献１のワイヤハーネスは、一又は複数本の導電路と、この一又は複数本の導電路を一括して覆う導電性の筒状のシールド部材と、これらを収容保護する樹脂製で管体形状の外装部材と、一又は複数本の導電路の端末に設けられ且つシールド部材が接続されるシールドコネクタとを備えて構成される。特許文献１のワイヤハーネスは、車両床下を通って配索される。すなわち、地面の近くを通って配索される。   For example, taking a high-voltage wire harness as an example, Patent Document 1 below discloses a wire harness that electrically connects high-voltage devices mounted on a hybrid vehicle or an electric vehicle. The wire harness of Patent Document 1 is made of one or a plurality of conductive paths, a conductive cylindrical shield member that collectively covers the one or more conductive paths, and a resin-made tubular body that accommodates and protects them. And a shield connector provided at the end of one or a plurality of conductive paths and connected to the shield member. The wire harness of patent document 1 is routed through the vehicle floor. That is, it is routed near the ground.

樹脂製の外装部材は、管軸方向にのびるスリットの存在しない形状（腹割きなしの形状）に形成される。従って、例えば走行時に水はねが生じても外装部材の内部に水分が浸入してしまうことがなく、結果、導電路やシールド部材は、走行時において水分の影響を受けることがない。   The resin exterior member is formed in a shape that does not have a slit extending in the tube axis direction (ie, a shape without a belly split). Therefore, for example, even if water splashes during traveling, moisture does not enter the exterior member, and as a result, the conductive path and the shield member are not affected by moisture during traveling.

特開２０１３−２４３９００号公報JP 2013-243900 A

ところで、上記従来技術にあっては、何らかの要因で外装部材の内部に水分が溜まると、この溜まった水分が導電路とシールド部材との間を伝ってシールドコネクタが設けられる部分まで、すなわち電気的な接続部分まで上がってきてしまうという虞がある（これ以外に、例えば自然災害等で水没した場合も上がってきてしまう）。この時、（１）止水構造の部分を有していなければ、シールドコネクタによる電気的な接続に影響を来してしまうことになる。尚、仮に止水構造の部分（導電路に密着するゴム栓など）を有していても、この止水構造の部分に例えば走行時の振動が伝わったり、配索時にズレが生じたりすれば止水状態が不安定になって、結果、シールドコネクタによる電気的な接続に影響を来してしまうことになる。   By the way, in the above prior art, when moisture accumulates inside the exterior member for some reason, the accumulated moisture travels between the conductive path and the shield member to the portion where the shield connector is provided, that is, electrical There is a risk that it will rise up to the correct connection part (in addition to this, it will also go up if it is submerged in a natural disaster or the like). At this time, (1) if the water stop structure portion is not provided, the electrical connection by the shield connector will be affected. Even if it has a water stop structure (such as a rubber plug that is in close contact with the conductive path), for example, vibration during travel is transmitted to the water stop structure or a deviation occurs during routing. The water stop state becomes unstable, and as a result, the electrical connection by the shield connector is affected.

また、（２）導電路を構成する導体が絶縁体から露出していた場合には、ショートの発生に繋がってしまうことになる（導体の露出は、例えば走行時の振動により導電路がシールドコネクタの金属製のシールドシェルに当たって絶縁体が削れた場合などが考えられる）。   In addition, (2) if the conductor constituting the conductive path is exposed from the insulator, it will lead to the occurrence of a short circuit (exposing the conductor is, for example, a shield connector due to vibration during running. For example, the insulator may be scraped by hitting the metal shield shell.

本発明は、上記した事情に鑑みてなされたもので、振動や配索等に影響を受けずに確実に止水をすることが可能であり、また、導電路の損傷を防止することも可能な止水構造及びワイヤハーネスを提供することを課題とする。   The present invention has been made in view of the above-described circumstances, and can reliably stop water without being affected by vibration, wiring, or the like, and can also prevent damage to a conductive path. It is an object to provide a waterproof structure and a wire harness.

上記課題を解決するためになされた請求項１に記載の本発明の止水構造は、一又は複数本の導電路と、該一又は複数本の導電路を一括して覆う導電性の筒状のシールド部材と、相手金属部材に接触する導電性のシールドシェルと、筒状に形成されるゴム製の止水用ブーツと、前記シールドシェルに挿入されるゴム製の止水栓と、前記シールドシェルに挿入される樹脂製のホルダとを備え、前記シールドシェルは、前記一又は複数本の導電路の挿通部分として筒状に形成される導電路挿通部を有し、該導電路挿通部は、前記相手金属部材に近い側から順に、外面が前記止水用ブーツの密着部分になる大径部と、該大径部に対し一段下がった状態で連続し且つ外面が前記シールド部材の接続部分になる小径部とを有し、前記大径部は、前記導電路挿通部における一方の端末の開口部分として形成される大径部端末開口を有し、前記小径部は、前記導電路挿通部における他方の端末の開口部分として形成される小径部端末開口を有し、前記止水栓は、前記一又は複数本の導電路に密着する導電路密着部と、前記導電路挿通部の内面に密着するシェル密着部とを有するとともに、前記大径部端末開口を介して前記大径部の内側に挿入される大径形状の大径被挿入部と、該大径被挿入部に連成され且つ少なくとも前記小径部端末開口までの長さで形成されて前記小径部の内側に挿入される小径形状の小径被挿入部とを有し、前記ホルダは、前記大径部端末開口を介して前記大径部の内側に挿入され且つ前記大径被挿入部の端部との対向部分になる被挿入対向部を有することを特徴とする。   The water stop structure of the present invention according to claim 1, which has been made to solve the above-described problems, includes one or a plurality of conductive paths and a conductive cylindrical shape that collectively covers the one or a plurality of conductive paths. , A conductive shield shell that contacts the mating metal member, a rubber waterproofing boot formed in a cylindrical shape, a rubber stopper plug inserted into the shield shell, and the shield A holder made of resin inserted into the shell, the shield shell has a conductive path insertion portion formed in a cylindrical shape as an insertion portion of the one or more conductive paths, the conductive path insertion portion, In order from the side closer to the mating metal member, a large-diameter portion whose outer surface is a close-contact portion of the waterproofing boot, and a continuous portion in a state where the outer surface is lowered by one step with respect to the large-diameter portion, and the outer surface is a connecting portion of the shield member A small-diameter portion, and the large-diameter portion is the conductive path A large-diameter portion terminal opening formed as an opening portion of one terminal in the passage portion, and the small-diameter portion has a small-diameter portion terminal opening formed as an opening portion of the other terminal in the conductive path insertion portion. The water faucet has a conductive path contact portion that is in close contact with the one or more conductive paths, and a shell contact portion that is in close contact with the inner surface of the conductive path insertion portion, and through the large-diameter end opening. A large-diameter inserted portion having a large diameter shape that is inserted inside the large-diameter portion, and the small-diameter portion that is coupled to the large-diameter inserted portion and has a length up to at least the small-diameter end opening. A small-diameter insertion portion having a small-diameter shape that is inserted into the inside of the large-diameter portion, and the holder is inserted into the large-diameter portion through the large-diameter portion terminal opening and the end portion of the large-diameter insertion portion It has the insertion opposing part used as an opposing part.

このような特徴を有する本発明によれば、（１）シールドシェルの導電路挿通部は大径部と小径部とを有し、大径部の外面には、止水用ブーツが取り付けられて密着する。また、大径部よりも一段下がった位置の小径部の外面には、シールド部材が接続され、そして、このシールド部材が接続された小径部の内側には、止水栓の小径被挿入部が挿入され、さらに、大径部の内側には、止水栓の大径被挿入部が挿入される。止水栓は、導電路に密着するとともに電路挿通部の内面に密着する。従って、本発明は以上のような（１）の構造であることから、シールド部材の外側を通過しようとする水分は、止水用ブーツにより止水される。また、シールド部材と導電路との間を通過しようとする水分も止水栓により止水される。   According to the present invention having such characteristics, (1) the conductive path insertion portion of the shield shell has a large diameter portion and a small diameter portion, and a water stop boot is attached to the outer surface of the large diameter portion. In close contact. In addition, a shield member is connected to the outer surface of the small-diameter portion at a position one step lower than the large-diameter portion, and a small-diameter inserted portion of the water stop cock is disposed inside the small-diameter portion to which the shield member is connected. Further, the large-diameter insertion portion of the water stop cock is inserted inside the large-diameter portion. The water stop cock is in close contact with the conductive path and in close contact with the inner surface of the electric circuit insertion portion. Accordingly, since the present invention has the structure (1) as described above, the water that tries to pass outside the shield member is stopped by the water stop boot. In addition, water that tries to pass between the shield member and the conductive path is also stopped by the water stop cock.

また、本発明によれば、（２）シールドシェルの導電路挿通部は、大径部と小径部とを有し段付き形状に形成される。また、導電路挿通部に挿入される止水栓も大径被挿入部と小径被挿入部とを有して段付き形状に形成される。さらに、ホルダは、導電路挿通部に挿入される部分として被挿入対向部を有する形状に形成される。従って、本発明は以上のような（２）の構造であることから、導電路挿通部に止水栓が挿入されると、段付き形状の部分同士で当接して止水栓の移動が規制される。また、ホルダの被挿入対向部が導電路挿通部に挿入されると、被挿入対向部が止水栓に対向して止水栓は移動が規制される。尚、ホルダがシールドシェルに対し係止又は圧入されるようにしておけば、止水栓はこの移動が完全に規制されることになる。   According to the present invention, (2) the conductive path insertion portion of the shield shell has a large diameter portion and a small diameter portion and is formed in a stepped shape. Further, the water stop cock inserted into the conductive path insertion portion has a large diameter inserted portion and a small diameter inserted portion and is formed in a stepped shape. Furthermore, the holder is formed in a shape having a portion to be inserted as a portion to be inserted into the conductive path insertion portion. Therefore, since the present invention has the structure (2) as described above, when the stop cock is inserted into the conductive path insertion portion, the stepped shape portions abut against each other to restrict the movement of the stop cock. Is done. Moreover, when the insertion facing portion of the holder is inserted into the conductive path insertion portion, the insertion facing portion faces the water stop cock, and the movement of the water stop cock is restricted. If the holder is locked or press-fitted to the shield shell, the movement of the water stop cock is completely restricted.

また、本発明によれば、（３）移動規制された止水栓は、導電路とシールドシェルの導電路挿通部との間に介在する。従って、本発明は以上のような（３）の構造であることから、例えば走行時の振動が導電路に伝わったとしても振動が抑制されており、止水状態が不安定になることはない。上記振動に関し、本発明ではホルダの存在によっても振動が抑制される。   Further, according to the present invention, (3) the movement-controlled water stop cock is interposed between the conductive path and the conductive path insertion portion of the shield shell. Therefore, since the present invention has the structure (3) as described above, for example, even when vibration during traveling is transmitted to the conductive path, the vibration is suppressed and the water stop state does not become unstable. . Regarding the vibration, in the present invention, the vibration is also suppressed by the presence of the holder.

また、本発明によれば、（４）止水栓は、導電路挿通部に対し少なくとも小径部端末開口まで挿入される。これにより小径部端末開口の位置では、導電路が振れたとしても止水栓の存在によって導電路が直接、接することはない。従って、本発明は以上のような（４）の構造であることから、導電路が振れたとしてもこれを構成する絶縁体が金属製のシールドシェルに当たって削れてしまうことがなく、結果、絶縁体の傷付きや、絶縁体からの導体の露出が防止される。すなわち、ショートの発生に繋がることはない。本発明では、ホルダの存在によっても上記振れが抑制されて、絶縁体の傷付き等が防止される。   According to the present invention, (4) the water stop cock is inserted into at least the small diameter end opening with respect to the conductive path insertion portion. Thereby, even if a conductive path shakes in the position of a small diameter part terminal opening, a conductive path does not contact directly by existence of a water stop cock. Accordingly, since the present invention has the structure (4) as described above, even if the conductive path is swung, the insulator constituting the conductive path is not scraped by hitting the metal shield shell. As a result, the insulator And the exposure of the conductor from the insulator is prevented. That is, no short circuit occurs. In the present invention, the shake is suppressed even by the presence of the holder, and damage to the insulator is prevented.

請求項２に記載の本発明は、請求項１に記載の止水構造において、前記ホルダは、前記一又は複数本の導電路の挿通部分として筒状に形成されるホルダ側導電路挿通部と、該ホルダ側導電路挿通部に挿通される前記一又は複数本の導電路を固定する導電路固定部とを更に有することを特徴とする。   According to a second aspect of the present invention, there is provided the water stop structure according to the first aspect, wherein the holder includes a holder side conductive path insertion portion formed in a cylindrical shape as an insertion portion of the one or a plurality of conductive paths. And a conductive path fixing part that fixes the one or a plurality of conductive paths inserted through the holder side conductive path insertion part.

このような特徴を有する本発明によれば、ホルダはホルダ側導電路挿通部と導電路固定部とを更に有し、導電路がホルダ側導電路挿通部に挿通される。また、導電路は導電路固定部に固定される。従って、本発明は以上のような構造であることから、導電路はシールドシェルに対し位置決めされる。導電路が位置決めされると、この導電路に密着する止水栓の位置も決まり、結果、例えば走行時の振動が導電路に伝わったとしても止水状態が不安定になることはない。   According to the present invention having such a feature, the holder further includes a holder-side conductive path insertion portion and a conductive path fixing portion, and the conductive path is inserted into the holder-side conductive path insertion portion. The conductive path is fixed to the conductive path fixing portion. Therefore, since the present invention has the above structure, the conductive path is positioned with respect to the shield shell. When the conductive path is positioned, the position of the water stop cock that is in close contact with the conductive path is also determined. As a result, for example, even if vibration during traveling is transmitted to the conductive path, the water stop state does not become unstable.

請求項３に記載の本発明は、請求項１又は２に記載の止水構造において、前記小径被挿入部は、前記小径部端末開口から外方に突出する長さで形成されることを特徴とする。   According to a third aspect of the present invention, in the waterstop structure according to the first or second aspect, the small diameter inserted portion is formed with a length protruding outward from the small diameter portion terminal opening. And

このような特徴を有する本発明によれば、止水栓の小径被挿入部が導電路挿通部の小径部の小径部端末開口から突出する長さで形成される。従って、本発明は以上のような構造であることから、導電路が振れたとしても長く形成された小径被挿入部によって導電路が直接、小径部端末開口に接することがなく、結果、絶縁体の傷付き等が確実に防止される。   According to the present invention having such characteristics, the small-diameter inserted portion of the water stop cock is formed with a length protruding from the small-diameter end opening of the small-diameter portion of the conductive path insertion portion. Therefore, since the present invention has the structure as described above, the conductive path does not directly contact the small-diameter end opening by the small-diameter insertion portion formed long even if the conductive path is swung. As a result, the insulator Scratches and the like are reliably prevented.

また、上記課題を解決するためになされた請求項４に記載の本発明のワイヤハーネスは、自動車に配索されて電気的な接続を行うワイヤハーネスにおいて、当該ワイヤハーネスのハーネス端末又はハーネス中間には、請求項１、２又は３に記載の止水構造を採用してなる止水構造部を設けることを特徴とする。   Moreover, the wire harness of this invention of Claim 4 made | formed in order to solve the said subject WHEREIN: In the wire harness which is wired by the motor vehicle and performs an electrical connection, in the harness terminal of the said wire harness, or a harness intermediate | middle Is characterized by providing a water-stopping structure portion adopting the water-stopping structure according to claim 1, 2 or 3.

このような特徴を有する本発明によれば、ハーネス端末又はハーネス中間に止水構造部を有するワイヤハーネスになる。止水構造部は、請求項１、２又は３に記載の止水構造を採用してなることから、止水構造部の位置で請求項１、２又は３と同様の作用が得られる。   According to this invention which has such a characteristic, it becomes a wire harness which has a water stop structure part in the harness terminal or harness middle. Since the water-stopping structure portion adopts the water-stopping structure according to claim 1, 2, or 3, the same effect as that of claim 1, 2, or 3 is obtained at the position of the water-stopping structure portion.

請求項１に記載された本発明によれば、振動や配索等に影響を受けずに確実に止水をすることができるという効果や、導電路の損傷を防止することができるという効果を奏する。また、請求項２に記載された本発明によれば、一層良好に止水をすることができるという効果を奏する。また、請求項３に記載された本発明によれば、絶縁体の傷付き等を確実に防止することができるという効果を奏する。   According to the first aspect of the present invention, there is an effect that water can be surely stopped without being affected by vibration, wiring, and the like, and an effect that damage to the conductive path can be prevented. Play. Moreover, according to this invention described in Claim 2, there exists an effect that water stop can be performed still more favorably. Further, according to the third aspect of the present invention, there is an effect that it is possible to reliably prevent the insulator from being damaged.

請求項４に記載された本発明によれば、請求項１、２又は３に記載の止水構造を採用してなる止水構造部を有することから、振動や配索等に影響を受けずに確実に止水をすることが可能であり、また、導電路の損傷を防止することも可能なワイヤハーネスを提供することができるという効果を奏する。すなわち、より良いワイヤハーネスを提供することができるという効果を奏する。   According to the present invention described in claim 4, since the water stop structure portion adopting the water stop structure described in claim 1, 2 or 3 is provided, it is not affected by vibration or wiring. It is possible to provide a wire harness capable of reliably stopping water and preventing damage to the conductive path. That is, there is an effect that a better wire harness can be provided.

本発明の止水構造を採用してなる止水構造部の斜視図である。It is a perspective view of the water stop structure part which employ | adopts the water stop structure of this invention. 図１の止水構造部の断面図である。It is sectional drawing of the water stop structure part of FIG. 図１の止水構造部の断面図である。It is sectional drawing of the water stop structure part of FIG. 図１の止水構造部の分解斜視図である。It is a disassembled perspective view of the water stop structure part of FIG. 図４の導電路とシールド部材とシールドシェルと加締めリングの分解斜視図である。FIG. 5 is an exploded perspective view of the conductive path, shield member, shield shell, and caulking ring of FIG. 4. 本発明のワイヤハーネスの配索状態を示す模式図である。It is a schematic diagram which shows the wiring state of the wire harness of this invention.

ワイヤハーネスは、ハーネス端末又はハーネス中間に止水構造部を有する。止水構造部は、シールド部材の外側を通過しようとする水分を止水用ブーツにより止水し、また、シールド部材と導電路との間を通過しようとする水分を止水栓により止水する構造の部分である。止水構造部は、一又は複数本の導電路と、この一又は複数本の導電路を一括して覆う導電性の筒状のシールド部材と、相手金属部材に接触する導電性のシールドシェルと、筒状に形成されるゴム製の止水用ブーツと、シールドシェルに挿入されるゴム製の止水栓と、シールドシェルに挿入される樹脂製のホルダとを備えて構成される。   A wire harness has a water stop structure part in a harness terminal or a harness middle. The water-stopping structure stops water that tries to pass outside the shield member by a water-stop boot, and water that tries to pass between the shield member and the conductive path is stopped by a water stopcock. Part of the structure. The water stop structure includes one or more conductive paths, a conductive cylindrical shield member that collectively covers the one or more conductive paths, and a conductive shield shell that contacts the mating metal member. A rubber water stop boot formed in a cylindrical shape, a rubber water stop cock inserted into the shield shell, and a resin holder inserted into the shield shell.

以下、図面を参照しながら実施例を説明する。図１は本発明の止水構造を採用してなる止水構造部の斜視図である。また、図２及び図３は止水構造部の断面図、図４は止水構造部の分解斜視図、図５は図４の導電路とシールド部材とシールドシェルと加締めリングの分解斜視図、図６は本発明のワイヤハーネスの配索状態を示す模式図である。尚、以下の説明において、具体的な形状、材料、数値、方向等は、本発明の理解を容易にするための例示であって、用途、目的、仕様等に合わせて適宜変更することができるものとする。   Hereinafter, embodiments will be described with reference to the drawings. FIG. 1 is a perspective view of a water stop structure portion employing the water stop structure of the present invention. 2 and 3 are sectional views of the water stop structure, FIG. 4 is an exploded perspective view of the water stop structure, and FIG. 5 is an exploded perspective view of the conductive path, shield member, shield shell, and caulking ring of FIG. FIG. 6 is a schematic view showing a wiring state of the wire harness of the present invention. In the following description, specific shapes, materials, numerical values, directions, and the like are examples for facilitating understanding of the present invention, and can be appropriately changed according to the application, purpose, specifications, and the like. Shall.

＜止水構造部１の構成について＞
図１において、引用符号１はワイヤハーネスＷの所望の位置に設けられる止水構造部を示す。この止水構造部１は、本発明の止水構造を採用してなる部分であって、以下の説明で分かるようになるが、振動や配索等に影響を受けずに確実に止水をすることができ、また、導電路２の損傷を防止することもできる構造の部分である。 <About the structure of the water stop structure part 1>
In FIG. 1, reference numeral 1 indicates a water stop structure provided at a desired position of the wire harness W. This water-stop structure 1 is a portion formed by adopting the water-stop structure of the present invention, and as will be understood from the following explanation, It is a part of the structure that can also prevent damage to the conductive path 2.

図１ないし図４において、止水構造部１は、二本の導電路２と、この二本の導電路２を一括して覆う導電性の筒状の編組３（シールド部材）と、図示しない相手金属部材（例えばシールドケース）に接触する導電性のシールドシェル４と、編組３をシールドシェル４に接続固定するための加締めリング５と、筒状に形成されるゴム製の止水用ブーツ６と、シールドシェル４に挿入されるゴム製の止水栓７と、シールドシェル４に一部分が挿入される樹脂製のホルダ８とを備えて構成される。尚、引用符号９は、例えばコルゲートチューブ等の樹脂製の外装部材を示す。   1 to 4, the water stop structure 1 includes two conductive paths 2, a conductive tubular braid 3 (shield member) that collectively covers the two conductive paths 2, and not illustrated. A conductive shield shell 4 that contacts a mating metal member (for example, a shield case), a caulking ring 5 for connecting and fixing the braid 3 to the shield shell 4, and a rubber waterproofing boot formed in a cylindrical shape 6, a rubber water stop cock 7 inserted into the shield shell 4, and a resin holder 8 partially inserted into the shield shell 4. Reference numeral 9 denotes a resin exterior member such as a corrugated tube.

＜導電路２について＞
図１ないし図５において、導電路２は、高電圧用のものであって、特に図示しないが導体と絶縁体とを備えて構成される。上記導体は、銅や銅合金、或いはアルミニウムやアルミニウム合金により断面円形に形成される。導体に関しては、素線を撚り合わせてなる導体構造のものや、断面矩形又は円形（丸形）になる棒状の導体構造（例えば平角単心や丸単心となる導体構造であり、この場合、電線自体も棒状となる）のもののいずれであってもよいものとする。以上のような導体は、この外面に絶縁性の樹脂材料からなる絶縁体が押出成形される。 <About conductive path 2>
1 to 5, the conductive path 2 is for high voltage, and is configured to include a conductor and an insulator, although not particularly shown. The conductor is formed in a circular cross section by copper or copper alloy, or aluminum or aluminum alloy. Concerning the conductor, a conductor structure in which strands are twisted together or a rod-shaped conductor structure having a rectangular or circular (round) cross section (for example, a conductor structure having a flat single core or a round single core, in this case, The wire itself may be a rod shape). In the conductor as described above, an insulator made of an insulating resin material is extruded on the outer surface.

尚、導電路２として、本実施例では公知の高圧電線の構成を採用するが、この限りでないものとする。すなわち、公知のバスバーに絶縁体を設けて高圧回路としたもの等を採用してもよいものとする。導電路２は、本実施例において二本であるが、この限りでないものとする。三本や一本などであってもよいものとする。   In addition, although the structure of a well-known high voltage electric wire is employ | adopted as a conductive path 2 in a present Example, it shall not be this limitation. That is, a known bus bar with an insulator provided as a high voltage circuit may be employed. In the present embodiment, there are two conductive paths 2, but this is not restrictive. It may be three or one.

絶縁体は、熱可塑性樹脂材料を用いて導体の外周面に押出成形される。絶縁体は、断面円形状の被覆として形成される。絶縁体は、所定の厚みを有して形成される。上記熱可塑性樹脂としては、公知の様々な種類のものが使用可能であり、例えばポリ塩化ビニル樹脂やポリエチレン樹脂、ポリプロピレン樹脂などの高分子材料から適宜選択される。   The insulator is extruded on the outer peripheral surface of the conductor using a thermoplastic resin material. The insulator is formed as a cover having a circular cross section. The insulator is formed with a predetermined thickness. As the thermoplastic resin, various known types can be used, and are appropriately selected from polymer materials such as polyvinyl chloride resin, polyethylene resin, and polypropylene resin.

＜シールド部材としての編組３について＞
編組３は、二本の導電路２を一括して覆う電磁シールド用の金属部品（電磁波対策用のシールド部材）であって、多数の素線を筒状に編んでなる公知のものが採用される。編組３は、二本の導電路２の全長とほぼ同じ長さに形成される。編組３は、この端部がシールドシェル４の後述する小径部１３の外面に接続固定される。尚、編組３以外のシールド部材として、例えば導電性を有する金属箔や、この金属箔を含む部材等を採用してもよいものとする。電磁波対策をすることが可能であれば、シールド部材は特に限定されないものとする。 <About braid 3 as a shield member>
The braid 3 is a metal part for electromagnetic shielding (shielding member for electromagnetic wave countermeasures) covering the two conductive paths 2 at once, and a known one obtained by knitting a large number of strands into a cylindrical shape is adopted. The The braid 3 is formed to have substantially the same length as the entire length of the two conductive paths 2. The braid 3 is connected and fixed at its end to the outer surface of a small-diameter portion 13 (to be described later) of the shield shell 4. In addition, as a shield member other than the braid 3, for example, a conductive metal foil, a member including the metal foil, or the like may be employed. The shield member is not particularly limited as long as an electromagnetic wave countermeasure can be taken.

＜シールドシェル４について＞
シールドシェル４は、導電性の金属部品であって、金属部材被固定部１０と、この金属部材被固定部１０が連成される導電路挿通部１１とを有する。金属部材被固定部１０は、図示しない相手金属部材（例えばシールドケース）に固定される部分として所望の形状に形成される。金属部材被固定部１０は、本実施例において、板状の部分を折り曲げたり穴加工を施したりして図示形状に形成される（形状は一例であるものとする）。尚、本実施例においては金属部材被固定部１０を介してシールドシェル４が相手金属部材にボルト締めで固定されるようになるが、この限りでないものとする。すなわち、例えばバネ部材などを用いてシールドシェル４が相手金属部材に押し付けられるような状態で接触固定されてもよいものとする。 <About shield shell 4>
The shield shell 4 is a conductive metal part, and includes a metal member fixed portion 10 and a conductive path insertion portion 11 with which the metal member fixed portion 10 is coupled. The metal member fixed portion 10 is formed in a desired shape as a portion fixed to a not-shown counterpart metal member (for example, a shield case). In the present embodiment, the metal member fixed portion 10 is formed in the illustrated shape by bending a plate-like portion or drilling (the shape is an example). In the present embodiment, the shield shell 4 is fixed to the mating metal member by bolting via the metal member fixed portion 10, but this is not limited thereto. In other words, for example, the shield shell 4 may be contact-fixed in a state where the shield shell 4 is pressed against the mating metal member using a spring member or the like.

＜導電路挿通部１１について＞
導電路挿通部１１は、二本の導電路２の挿通部分として筒状に形成される。導電路挿通部１１は、単なる筒状でなく、段付き形状になる筒状に形成される。具体的には、大径部１２と、小径部１３と、この小径部１３が大径部１２に対して一段下がった状態になる段付き部分１４とを有する筒状に形成される。また、導電路挿通部１１は、この一方の端末の開口部分になる大径部端末開口１５と、他方の端末の開口部分になる小径部端末開口１６とを有して筒状に形成される。本実施例の導電路挿通部１１は、金属板を例えば絞り加工することにより図示の筒状に形成される。 <About the conductive path insertion part 11>
The conductive path insertion part 11 is formed in a cylindrical shape as an insertion part of the two conductive paths 2. The conductive path insertion portion 11 is not a mere cylinder, but is formed in a cylinder having a stepped shape. Specifically, it is formed in a cylindrical shape having a large diameter portion 12, a small diameter portion 13, and a stepped portion 14 in which the small diameter portion 13 is lowered by one step with respect to the large diameter portion 12. The conductive path insertion portion 11 has a large-diameter end opening 15 serving as an opening portion of the one end, and a small-diameter end opening 16 serving as an opening portion of the other end, and is formed in a cylindrical shape. . The conductive path insertion portion 11 of the present embodiment is formed in the illustrated cylindrical shape by, for example, drawing a metal plate.

＜大径部１２について＞
大径部１２は、四隅部分が曲面になる断面略矩形状の筒部分に形成される。大径部１２は、この外面及び内面が凹凸のない平面及び曲面を有するように形成される。大径部１２の外面及び内面は、シール面として形成される。大径部１２の外面には、止水用ブーツ６が取り付けられる。大径部１２の外面は、止水用ブーツ６の密着部分として形成される。一方、大径部１２の内面側には、止水栓７が挿入される。すなわち、大径部１２の内面側は、止水栓７の挿入部分として形成される。止水栓７が挿入されると、大径部１２の内面には、止水栓７の後述する大径被挿入部２３が密着する。 <About large diameter part 12>
The large-diameter portion 12 is formed in a cylindrical portion having a substantially rectangular cross section in which the four corner portions are curved. The large-diameter portion 12 is formed so that the outer surface and the inner surface have a flat surface and a curved surface that are not uneven. The outer surface and the inner surface of the large diameter portion 12 are formed as seal surfaces. A water stop boot 6 is attached to the outer surface of the large diameter portion 12. The outer surface of the large diameter portion 12 is formed as a close contact portion of the water stop boot 6. On the other hand, a stop cock 7 is inserted on the inner surface side of the large diameter portion 12. That is, the inner surface side of the large diameter portion 12 is formed as an insertion portion of the water stop cock 7. When the water stop cock 7 is inserted, a large-diameter inserted part 23 described later of the water stop cock 7 comes into close contact with the inner surface of the large diameter part 12.

大径部１２には、大径部端末開口１５が形成される。この大径部端末開口１５は、導電路挿通部１１の一方の端末に位置して開口形成される。尚、大径部端末開口１５には、金属部材被固定部１０が連成される。大径部端末開口１５は、本実施例において、上記図示しない相手金属部材（例えばシールドケース）に対し突き当て可能な部分として形成される。   A large-diameter portion terminal opening 15 is formed in the large-diameter portion 12. The large diameter end opening 15 is formed at one end of the conductive path insertion portion 11. The large-diameter end opening 15 is coupled to the metal member fixed portion 10. In the present embodiment, the large-diameter end opening 15 is formed as a portion that can be abutted against the above-described counterpart metal member (for example, a shield case).

大径部端末開口１５の近傍には、ホルダ係止部１７が形成される。このホルダ係止部１７は、ホルダ８を係止する部分として形成される。ホルダ係止部１７は、大径部１２を矩形状に貫通するように形成される。尚、ホルダ８の係止部分以外に、次のような部分に形成されてもよいものとする。すなわち、ホルダ８が圧入されてこれを保持する部分に形成されてもよいものとする。この場合、ホルダ係止部１７でなくホルダ圧入部が導電路挿通部１１に形成され、ホルダ８の方では、後述する被係止部２８に替えて被圧入部が形成されるものとする。   A holder locking portion 17 is formed in the vicinity of the large-diameter end opening 15. The holder locking portion 17 is formed as a portion for locking the holder 8. The holder locking portion 17 is formed so as to penetrate the large diameter portion 12 in a rectangular shape. In addition to the engaging portion of the holder 8, the following portion may be formed. That is, the holder 8 may be formed in a portion that is press-fitted and holds the holder 8. In this case, not the holder locking portion 17 but the holder press-fitting portion is formed in the conductive path insertion portion 11, and the holder 8 is formed with a pressed-in portion instead of the locked portion 28 described later.

大径部端末開口１５の近傍に関し、大径部１２の内面は、ホルダ８を案内するガイド面としても形成される。また、大径部１２の内面は、ホルダ８を支持する支持面としても形成される。   Regarding the vicinity of the large-diameter portion terminal opening 15, the inner surface of the large-diameter portion 12 is also formed as a guide surface for guiding the holder 8. Further, the inner surface of the large diameter portion 12 is also formed as a support surface that supports the holder 8.

＜小径部１３について＞
小径部１３は、断面円形状の筒部分に形成される。小径部１３は、大径部１２よりも軸方向の長さが短く形成される。小径部１３は、この外面及び内面が凹凸のない曲面を有するように形成される。小径部１３の外面は、編組３の端部を接続する部分として形成される。尚、二本の導電路２を一括して覆っていた筒状の編組３は、この端部が若干拡径された後に小径部１３の外面に被せられる。小径部１３の内面側は、止水栓７の挿入部分として形成される。導電路挿通部１１は、大径部１２だけでなく小径部１３の内面側にも止水栓７が挿入される。止水栓７が挿入されると、導電路挿通部１１は広範囲で埋められた状態になる。 <About small diameter part 13>
The small diameter portion 13 is formed in a cylindrical portion having a circular cross section. The small diameter portion 13 is formed to have a shorter axial length than the large diameter portion 12. The small-diameter portion 13 is formed so that the outer surface and the inner surface have a curved surface without unevenness. The outer surface of the small diameter portion 13 is formed as a portion connecting the end portions of the braid 3. The cylindrical braid 3 that collectively covers the two conductive paths 2 is covered with the outer surface of the small-diameter portion 13 after the end portion is slightly expanded in diameter. The inner surface side of the small diameter portion 13 is formed as an insertion portion of the water stop cock 7. In the conductive path insertion portion 11, the stop cock 7 is inserted not only into the large diameter portion 12 but also into the inner surface side of the small diameter portion 13. When the water stop cock 7 is inserted, the conductive path insertion portion 11 is in a state of being buried in a wide range.

小径部１３には、小径部端末開口１６が形成される。この小径部端末開口１６は、導電路挿通部１１の他方の端末に位置して開口形成される。尚、小径部１３の内面側に止水栓７が挿入されると、本実施例においては、小径部端末開口１６から止水栓７の後述する小径被挿入部２４が突出するようになる。小径被挿入部２４が突出すると、このような状態においては、小径部端末開口１６に導電路２が当たることはない。すなわち、導電路２が例えば走行時の振動により振れたとしても、絶縁体が小径部端末開口１６に当たって削れてしまうことはない。これにより、絶縁体の傷付きや、絶縁体からの導体の露出を防止することができ、以てショートの防止に寄与することができる。   A small diameter portion terminal opening 16 is formed in the small diameter portion 13. The small-diameter end opening 16 is formed at the other end of the conductive path insertion portion 11. In addition, when the stop cock 7 is inserted in the inner surface side of the small diameter part 13, in the present Example, the below-mentioned small diameter insertion part 24 of the stop cock 7 will protrude from the small diameter part terminal opening 16. FIG. When the small diameter inserted portion 24 protrudes, the conductive path 2 does not hit the small diameter end opening 16 in such a state. That is, even if the conductive path 2 is shaken by, for example, vibration during traveling, the insulator does not hit the small-diameter end opening 16 and is not scraped off. This can prevent damage to the insulator and exposure of the conductor from the insulator, thereby contributing to prevention of a short circuit.

＜段付き部分１４について＞
段付き部分１４は、大径部１２に対し小径部１３を一段下がった状態に連続させるために形成される。段付き部分１４の内面は、止水栓７の後述する段付き部分２５の当接部分として、別な言い方をすれば止水栓７の挿入時のストッパとして機能する部分に形成される。 <About the stepped portion 14>
The stepped portion 14 is formed so that the small diameter portion 13 is continuously lowered by one step with respect to the large diameter portion 12. The inner surface of the stepped portion 14 is formed as a contact portion of a stepped portion 25 to be described later of the water stopcock 7, in other words, a portion that functions as a stopper when the waterstop 7 is inserted.

＜加締めリング５について＞
加締めリング５は、小径部１３の外面に編組３の端部を接続固定する際に用いられる金属部品であって、例えば帯状の薄板を円形に加工することにより形成される。加締めリング５は、加締めにより塑性変形が生じると、この下側の編組３の端部を小径部１３の外面に押し付けて編組３の抜けが生じないようにすることができる。 <About the caulking ring 5>
The caulking ring 5 is a metal part used when connecting and fixing the end portion of the braid 3 to the outer surface of the small-diameter portion 13, and is formed, for example, by processing a belt-like thin plate into a circle. When plastic deformation occurs by caulking, the caulking ring 5 can press the end of the lower braid 3 against the outer surface of the small diameter portion 13 so that the braid 3 does not come off.

＜止水用ブーツ６について＞
止水用ブーツ６は、シールドシェル４と外装部材９との間の止水及び保護のためのゴム部品として用いられる。止水用ブーツ６は、柔軟性を確保できる厚みに形成される。また、止水用ブーツ６は、適宜長さに形成される。このような止水用ブーツ６は、シールドシェル４の大径部１２の外面に密着するブーツ大径部１８と、外装部材９の外面に密着するブーツ小径部１９と、これらブーツ大径部１８及びブーツ小径部１９を繋ぐブーツ中間部２０とを有する。 <About the water stop boot 6>
The water stop boot 6 is used as a rubber part for water stop and protection between the shield shell 4 and the exterior member 9. The water stop boot 6 is formed to a thickness that can ensure flexibility. Moreover, the water-stop boot 6 is appropriately formed in a length. Such a water stop boot 6 includes a boot large diameter portion 18 that is in close contact with the outer surface of the large diameter portion 12 of the shield shell 4, a boot small diameter portion 19 that is in close contact with the outer surface of the exterior member 9, and the boot large diameter portion 18. And a boot intermediate portion 20 connecting the boot small-diameter portion 19.

＜止水用ブーツ６の各部分について＞
ブーツ大径部１８は、四隅部分が曲面になる断面略矩形状の筒部分に形成される。ブーツ小径部１９は、外装部材９の断面形状に合わせた筒部分に形成される（本実施例においては、外装部材９が断面長円形状に形成されることから、ブーツ小径部１９も断面長円形状に形成される）。尚、止水性能を向上させるために、ブーツ大径部１８の内面にリップ部を形成してもよいものとする（形状は後述するリップ部２６が参考になる）。ブーツ中間部２０は、断面略矩形状から断面長円形状に形状を変換する部分として形成される。 <About each part of the waterproofing boot 6>
The boot large-diameter portion 18 is formed in a cylindrical portion having a substantially rectangular cross section in which the four corner portions are curved. The boot small-diameter portion 19 is formed in a cylindrical portion that matches the cross-sectional shape of the exterior member 9 (in this embodiment, the boot small-diameter portion 19 also has a cross-sectional length because the exterior member 9 is formed in an elliptical cross-section. Formed in a circular shape). In order to improve the water stop performance, a lip portion may be formed on the inner surface of the large-diameter portion 18 of the boot (the shape of the lip portion 26 will be described later for reference). The boot intermediate portion 20 is formed as a portion whose shape is changed from a substantially rectangular cross section to an oval cross section.

＜止水栓７について＞
止水栓７は、シールドシェル４に挿入されるゴム部品であって、外面側が段付きになるとともに、内面側が真っ直ぐに貫通する厚肉の略筒形状に形成される。止水栓７は、弾力性を有する。止水栓７は、この外面が導電路挿通部１１の内面に密着するシェル密着部２１として形成される。また、止水栓７は、この内面が導電路２に密着する（絶縁体の外面に密着する）導電路密着部２２として形成される。 <About stop cock 7>
The water stop cock 7 is a rubber component inserted into the shield shell 4 and has a thick, substantially cylindrical shape with a stepped outer surface and a straight inner surface. The water stop cock 7 has elasticity. The water stop cock 7 is formed as a shell contact portion 21 whose outer surface is in close contact with the inner surface of the conductive path insertion portion 11. Further, the water stopper 7 is formed as a conductive path contact portion 22 whose inner surface is in close contact with the conductive path 2 (closely in contact with the outer surface of the insulator).

止水栓７は、この外面側が上記の如く段付きになることから、次のような部分を有する形状にも形成される。すなわち、止水部材７は、大径部端末開口１５を介して大径部１２の内側に挿入される大径形状の大径被挿入部２３と、小径部１３の内側に挿入される小径形状の小径被挿入部２４と、この小径被挿入部２４が大径被挿入部２３に対して一段下がった状態になる段付き部分２５とを有する形状にも形成される。   The stop cock 7 is formed in a shape having the following parts because the outer surface side is stepped as described above. That is, the water stop member 7 includes a large-diameter large-diameter inserted portion 23 inserted into the large-diameter portion 12 through the large-diameter portion terminal opening 15 and a small-diameter shape inserted into the small-diameter portion 13. The small-diameter inserted portion 24 and a stepped portion 25 in which the small-diameter inserted portion 24 is lowered by one step with respect to the large-diameter inserted portion 23 are also formed.

＜止水栓７の各部分について＞
シェル密着部２１には、環状で断面山形状のリップ部２６が所定の間隔をあけて三つ形成される（数は一例であるものとする）。この三つのリップ部２６は、シール部分として形成される。三つのリップ部２６は、大径被挿入部２３の部分に配置形成される。一方、導電路密着部２２にも環状で断面山形状のリップ部（図示省略）が所定の間隔をあけて複数形成される。図示しないリップ部もシール部分であり、大径被挿入部２３の部分、及び／又は、小径被挿入部２４の部分に配置形成される。 <About each part of the stop cock 7>
Three annular lip portions 26 having a cross-sectional mountain shape are formed on the shell contact portion 21 at a predetermined interval (the number is an example). The three lip portions 26 are formed as seal portions. The three lip portions 26 are disposed and formed in the large diameter inserted portion 23. On the other hand, a plurality of lip portions (not shown) having an annular shape and a cross-sectional mountain shape are also formed on the conductive path contact portion 22 at a predetermined interval. A lip portion (not shown) is also a seal portion, and is disposed and formed in the large diameter inserted portion 23 and / or the small diameter inserted portion 24.

大径被挿入部２３は、導電路挿通部１１における大径部１２の軸方向の長さより短い長さに形成される。具体的には、ホルダ８の後述する被挿入対向部２７の挿入量を考慮して、大径部１２の半分強の長さに形成される。一方、小径被挿入部２４は、導電路挿通部１１における小径部１３の小径部端末開口１６から外方に突出する長さに形成される（尚、導電路２が小径部端末開口１６に当たって削れたりしなければ、小径部端末開口１６までの長さにしてもよいものとする）。本実施例においては、上記の如く小径部端末開口１６から外方に突出する長さに形成されるが、突出部分の外周面に、小径部端末開口１６に係止される係止突起（例えば断面略三角形の突起）を複数箇所形成してもよいものとする（この場合の係止突起は、図中の小径部端末開口１６に形成される内向きで小さな屈曲部の機能を代替するものとする）。段付き部分２５は、導電路挿通部１１における段付き部分１４に当接するように形成される。   The large-diameter inserted portion 23 is formed to have a length shorter than the length of the large-diameter portion 12 in the conductive path insertion portion 11 in the axial direction. Specifically, in consideration of the insertion amount of the inserted opposing portion 27 described later of the holder 8, the holder 8 is formed to have a length slightly more than half that of the large diameter portion 12. On the other hand, the small-diameter inserted portion 24 is formed to have a length protruding outward from the small-diameter end opening 16 of the small-diameter portion 13 in the conductive path insertion portion 11 (note that the conductive path 2 hits the small-diameter end opening 16 and is scraped off. If not, the length up to the small diameter end opening 16 may be used). In the present embodiment, as described above, it is formed to have a length that protrudes outward from the small-diameter end opening 16, but a locking projection (for example, locked to the small-diameter end opening 16 on the outer peripheral surface of the protruding portion) (Protrusions having a substantially triangular cross section) may be formed at a plurality of locations (the locking projections in this case replace the function of the inwardly small bent portion formed in the small diameter end opening 16 in the figure) And). The stepped portion 25 is formed so as to contact the stepped portion 14 in the conductive path insertion portion 11.

＜ホルダ８について＞
ホルダ８は、絶縁性を有する樹脂材料を用いて成形される樹脂部品であって、この一部分がシールドシェル４に挿入されるような形状に形成される。また、ホルダ８は、残りの部分が導電路２を固定できるような形状に形成される。もう少し具体的に説明すると、ホルダ８は、被挿入対向部２７と、被係止部２８と、ホルダ側導電路挿通部２９と、導電路固定部３０と、図示しないバンド部材とを有して図示形状に形成される。 <About holder 8>
The holder 8 is a resin part that is molded using a resin material having insulating properties, and is formed in a shape such that a part of the holder 8 is inserted into the shield shell 4. Further, the holder 8 is formed in a shape such that the remaining part can fix the conductive path 2. More specifically, the holder 8 has an insertion facing portion 27, a locked portion 28, a holder-side conductive path insertion portion 29, a conductive path fixing portion 30, and a band member (not shown). It is formed in the illustrated shape.

＜ホルダ８の各部分について＞
被挿入対向部２７は、導電路挿通部１１における大径部１２の大径部端末開口１５を介して大径部１２の内側に挿入される部分として形成される。また、被挿入対向部２７は、止水栓７の大径被挿入部２３の端部に対向する部分として形成される。被挿入対向部２７は、ヒンジを用いた二つ割り形状に形成される。 <About each part of the holder 8>
The insertion facing portion 27 is formed as a portion that is inserted inside the large diameter portion 12 through the large diameter portion terminal opening 15 of the large diameter portion 12 in the conductive path insertion portion 11. Further, the insertion facing portion 27 is formed as a portion facing the end portion of the large diameter inserted portion 23 of the water stop cock 7. The insertion facing part 27 is formed in a split shape using a hinge.

被係止部２８は、導電路挿通部１１における大径部１２のホルダ係止部１７に係止される部分として形成される（前述の被圧入部として形成してもよい）。被係止部２８は、テーパ面と係止面とを有する三角の爪形状に形成される。ホルダ側導電路挿通部２９は、導電路２の挿通部分として筒状に形成される。導電路固定部３０及び図示しないバンド部材は、ホルダ側導電路挿通部２９に挿通される導電路２を固定するための部分として形成される。   The locked portion 28 is formed as a portion locked to the holder locking portion 17 of the large diameter portion 12 in the conductive path insertion portion 11 (may be formed as the aforementioned press-fit portion). The locked portion 28 is formed in a triangular claw shape having a tapered surface and a locking surface. The holder side conductive path insertion portion 29 is formed in a cylindrical shape as an insertion portion of the conductive path 2. The conductive path fixing part 30 and a band member (not shown) are formed as a part for fixing the conductive path 2 inserted through the holder side conductive path insertion part 29.

＜外装部材９について＞
外装部材９は、二本の導電路２と、この二本の導電路２を一括して覆う編組３とを収容保護する樹脂製の管体であって、本実施例においては、例えば断面長円形状の平形コルゲートチューブが採用される（平形に限らず丸形であってもよいものとする）。外装部材９は、管軸方向にのびるスリットの存在しない形状（腹割きなしの形状）に形成される。外装部材９は、柔軟性を有する蛇腹管形状に形成される。 <About exterior member 9>
The exterior member 9 is a resin tubular body that accommodates and protects the two conductive paths 2 and the braid 3 that collectively covers the two conductive paths 2. A circular flat corrugated tube is employed (not limited to a flat shape but may be a round shape). The exterior member 9 is formed in a shape that does not have a slit extending in the tube axis direction (a shape without an abdomen). The exterior member 9 is formed in a flexible bellows tube shape.

＜止水構造部１の作用及び効果について＞
以上、図１ないし図５を参照しながら説明してきたように、本発明の止水構造部１によれば、例えば外装部材９の内側に溜まった水分が編組３の外側を通過しようとしても、この水分を止水用ブーツ６により止水することができるという効果を奏する。また、編組３と導電路２との間を水分が通過しようとしても、この水分を止水栓７により止水することができるという効果を奏する。これは、シールドシェル４の導電路挿通部１１が大径部１２と小径部１３とを有し、大径部１２の外面には、止水用ブーツ６が取り付けられて密着するからである。また、編組３が接続された小径部１３の内側には、導電路２に密着する止水栓７の小径被挿入部２４が挿入され、さらに、大径部１２の内側には、止水栓７の大径被挿入部２３が挿入されて密着するからである。 <About the action and effect of the water stop structure 1>
As described above with reference to FIGS. 1 to 5, according to the water-stop structure portion 1 of the present invention, for example, even if moisture accumulated inside the exterior member 9 tries to pass outside the braid 3, There is an effect that the water can be stopped by the water stop boot 6. In addition, even if moisture tries to pass between the braid 3 and the conductive path 2, the moisture can be stopped by the water stopper 7. This is because the conductive path insertion portion 11 of the shield shell 4 has a large diameter portion 12 and a small diameter portion 13, and a water stop boot 6 is attached to and closely contacts the outer surface of the large diameter portion 12. Further, a small diameter inserted portion 24 of the water stopper 7 that is in close contact with the conductive path 2 is inserted inside the small diameter portion 13 to which the braid 3 is connected, and further, a water stop cock is inserted inside the large diameter portion 12. This is because the 7 large-diameter insertion portion 23 is inserted and is in close contact.

また、本発明の止水構造部１によれば、例えば走行時の振動が伝わったりしても、止水栓７の位置ズレを防止することができ、以て止水状態を安定させることができるという効果を奏する。これは、シールドシェル４の導電路挿通部１１が大径部１２と小径部１３と段付き部分１４とを有して段付き形状に形成されるとともに、導電路挿通部１１に挿入される止水栓７も大径被挿入部２３と小径被挿入部２４と段付き部分２５とを有して段付き形状に形成され、結果、段付き形状の部分同士で当接させれば止水栓７の移動を規制できるからである。また、ホルダ８に、導電路挿通部１１に挿入される部分として被挿入対向部２７が形成され、この被挿入対向部２７を止水栓７に対向させれば止水栓７の移動を規制できるからである。さらに、ホルダ８の被係止部２８がシールドシェル４のホルダ係止部１７に係止されることで、止水栓７の移動を完全に規制できるからである。   Moreover, according to the water stop structure part 1 of this invention, even if the vibration at the time of driving | running | working, for example, the position shift of the water stop cock 7 can be prevented, and it can stabilize a water stop state. There is an effect that can be done. This is because the conductive path insertion portion 11 of the shield shell 4 has a large diameter portion 12, a small diameter portion 13 and a stepped portion 14 and is formed in a stepped shape, and is inserted into the conductive path insertion portion 11. The faucet 7 also has a large-diameter inserted portion 23, a small-diameter inserted portion 24, and a stepped portion 25, and is formed into a stepped shape. This is because the movement of 7 can be restricted. Further, an insertion facing portion 27 is formed in the holder 8 as a portion to be inserted into the conductive path insertion portion 11. If the insertion facing portion 27 faces the stop cock 7, the movement of the stop cock 7 is restricted. Because it can. Further, the movement of the water stopcock 7 can be completely restricted by the locked portion 28 of the holder 8 being locked to the holder locking portion 17 of the shield shell 4.

また、本発明の止水構造部１によれば、導電路２を構成する絶縁体が金属製のシールドシェル４に当たって削れてしまうことがなく、結果、絶縁体の傷付きや、絶縁体からの導体の露出を防止することができるという効果を奏する。すなわち、ショートの発生防止に寄与することができるという効果を奏する。これは、止水栓７の小径被挿入部２４がシールドシェル４の小径部１３の小径部端末開口１６から突出する長さに形成され、例えば走行時の振動が導電路２に伝わって導電路２が振れたりしても、小径部端末開口１６に当たらないようにすることができるからである。上記の振れに関し、本発明によれば、止水栓７によって振動を抑制することができる。また、ホルダ８によっても振動を抑制することができる。   Moreover, according to the water stop structure part 1 of the present invention, the insulator constituting the conductive path 2 does not scrape against the metal shield shell 4, resulting in damage to the insulator or from the insulator. There is an effect that the exposure of the conductor can be prevented. That is, there is an effect that it can contribute to prevention of occurrence of a short circuit. This is because the small-diameter inserted portion 24 of the water stop cock 7 is formed so as to protrude from the small-diameter end opening 16 of the small-diameter portion 13 of the shield shell 4. For example, vibration during traveling is transmitted to the conductive path 2 and the conductive path This is because even if the 2 swings, it can be prevented from hitting the small diameter portion terminal opening 16. With respect to the above-described vibration, according to the present invention, vibration can be suppressed by the water stop cock 7. Also, vibration can be suppressed by the holder 8.

また、本発明の止水構造部１によれば、ホルダ８の被係止部２８をシールドシェル４のホルダ係止部１７に係止することで、導電路２をシールドシェル４に位置決めすることができるという効果を奏する。導電路２を位置決めできれば止水栓７の位置も決めることができ、結果、例えば走行時の振動が導電路２に伝わって振れたとしても、止水状態を安定させることができるという効果を奏する。これは、ホルダ８がホルダ係止部１７の他に、ホルダ側導電路挿通部２９と、導電路固定部３０と、図示しないバンド部材とを更に有して、導電路２をホルダ８に固定できるからである。   Further, according to the water stop structure 1 of the present invention, the conductive path 2 is positioned on the shield shell 4 by locking the locked portion 28 of the holder 8 to the holder locking portion 17 of the shield shell 4. There is an effect that can be. If the conductive path 2 can be positioned, the position of the water stop cock 7 can also be determined. As a result, for example, even if vibration during traveling is transmitted to the conductive path 2, the water stop state can be stabilized. . This is because the holder 8 further includes a holder side conductive path insertion part 29, a conductive path fixing part 30, and a band member (not shown) in addition to the holder locking part 17, and fixes the conductive path 2 to the holder 8. Because it can.

以上、本発明の止水構造部１によれば、振動や配索等に影響を受けずに確実に止水をすることができるという効果や、導電路の損傷を防止することができるという効果を奏する。   As mentioned above, according to the water stop structure part 1 of this invention, the effect that it can stop water reliably, without being influenced by a vibration, a wiring, etc., and the effect that the damage of a conductive path can be prevented. Play.

＜ワイヤハーネスＷの配索状態について＞
ここで、本発明の止水構造部１を設けてなるワイヤハーネスＷの配索状態について、図６を参照しながら説明をする。 <About the wiring state of the wire harness W>
Here, the wiring state of the wire harness W provided with the water stop structure portion 1 of the present invention will be described with reference to FIG.

図６において、引用符号５１はハイブリッド自動車を示す。ハイブリッド自動車５１は、エンジン５２及びモータユニット５３の二つの動力をミックスして駆動する車両であって、モータユニット５３にはインバータユニット５４を介してバッテリー５５（電池パック）からの電力が供給される。エンジン５２、モータユニット５３、及びインバータユニット５４は、本実施例において前輪等がある位置のエンジンルーム５６に搭載される。また、バッテリー５５は、後輪等がある自動車後部５７に搭載される（エンジンルーム５６の後方に存在する自動車室内に搭載してもよいものとする）。   In FIG. 6, reference numeral 51 indicates a hybrid vehicle. The hybrid vehicle 51 is a vehicle that is driven by mixing two powers of the engine 52 and the motor unit 53, and the motor unit 53 is supplied with electric power from the battery 55 (battery pack) via the inverter unit 54. . The engine 52, the motor unit 53, and the inverter unit 54 are mounted in the engine room 56 where the front wheels and the like are located in the present embodiment. Further, the battery 55 is mounted on a rear part 57 of the vehicle having rear wheels or the like (it may be mounted in a vehicle room existing behind the engine room 56).

モータユニット５３とインバータユニット５４は、高圧の（高電圧用の）ワイヤハーネス５８により接続される。また、バッテリー５５とインバータユニット５４も高圧のワイヤハーネスＷにより接続される。ワイヤハーネスＷは、この中間部６０が車両における（車体における）車両床下６１に配索される。また、中間部６０は、車両床下６１に沿って略平行に配索される。車両床下６１は、公知のボディ（車体）であるとともに所謂パネル部材であって、所定位置には貫通孔が形成される。この貫通孔には、ワイヤハーネスＷが水密に挿通される。   The motor unit 53 and the inverter unit 54 are connected by a high-voltage (high voltage) wire harness 58. The battery 55 and the inverter unit 54 are also connected by a high-voltage wire harness W. As for the wire harness W, this intermediate part 60 is routed to the vehicle under floor 61 (in the vehicle body) in the vehicle. Further, the intermediate portion 60 is routed substantially in parallel along the vehicle under floor 61. The vehicle underfloor 61 is a known body (vehicle body) and a so-called panel member, and a through hole is formed at a predetermined position. The wire harness W is inserted into the through hole in a watertight manner.

ワイヤハーネスＷとバッテリー５５は、このバッテリー５５に設けられるジャンクションブロック６２を介して接続される。ジャンクションブロック６２には、ワイヤハーネスＷの後端側のハーネス端末６３に配設されたシールドコネクタ６４等の外部接続手段が電気的に接続される。また、ワイヤハーネスＷとインバータユニット５４は、前端側のハーネス端末６３に配設されたシールドコネクタ６４等の外部接続手段を介して電気的に接続される。   The wire harness W and the battery 55 are connected via a junction block 62 provided in the battery 55. External connection means such as a shield connector 64 disposed on the harness terminal 63 on the rear end side of the wire harness W is electrically connected to the junction block 62. Further, the wire harness W and the inverter unit 54 are electrically connected via an external connection means such as a shield connector 64 disposed on the harness terminal 63 on the front end side.

本発明の止水構造部１は、ワイヤハーネスＷの後端側のハーネス端末６３の位置に配設される（配設位置は一例であるものとする）。   The water stop structure 1 of the present invention is disposed at the position of the harness terminal 63 on the rear end side of the wire harness W (the disposition position is an example).

本発明は本発明の主旨を変えない範囲で種々変更実施可能なことは勿論である。   It goes without saying that the present invention can be variously modified without departing from the spirit of the present invention.

Ｗ…ワイヤハーネス、 １…止水構造部、 ２…導電路、 ３…編組（シールド部材）、 ４…シールドシェル、 ５…加締めリング、 ６…止水用ブーツ、 ７…止水栓、 ８…ホルダ、 ９…外装部材、 １０…金属部材被固定部、 １１…導電路挿通部、 １２…大径部、 １３…小径部、 １４…段付き部分、 １５…大径部端末開口、 １６…小径部端末開口、 １７…ホルダ係止部、 １８…ブーツ大径部、 １９…ブーツ小径部、 ２０…ブーツ中間部、 ２１…シェル密着部、 ２２…導電路密着部、 ２３…大径被挿入部、 ２４…小径被挿入部、 ２５…段付き部分、 ２６…リップ部、 ２７…被挿入対向部、 ２８…被係止部、 ２９…ホルダ側導電路挿通部、 ３０…導電路固定部、 ５１…ハイブリッド自動車（自動車）、 ５２…エンジン、 ５３…モータユニット、 ５４…インバータユニット、 ５５…バッテリー、 ５６…エンジンルーム、 ５７…自動車後部、 ５８…ワイヤハーネス、 ６０…中間部、 ６１…車両床下、 ６２…ジャンクションブロック、 ６３…ハーネス端末、 ６４…シールドコネクタ   W: wire harness, 1: water stop structure, 2 ... conductive path, 3 ... braid (shield member), 4 ... shield shell, 5 ... caulking ring, 6 ... water stop boot, 7 ... water stop cock, 8 DESCRIPTION OF SYMBOLS ... Holder, 9 ... Exterior member, 10 ... Metal member fixed part, 11 ... Conduction path insertion part, 12 ... Large diameter part, 13 ... Small diameter part, 14 ... Stepped part, 15 ... Large diameter part terminal opening, 16 ... Small diameter end opening, 17 ... Holder locking portion, 18 ... Boot large diameter portion, 19 ... Boot small diameter portion, 20 ... Boot middle diameter portion, 21 ... Shell close contact portion, 22 ... Conductive path close contact portion, 23 ... Large diameter inserted 24: Small diameter inserted part, 25 ... Stepped part, 26 ... Lip part, 27 ... Inserted opposing part, 28 ... Locked part, 29 ... Holder side conductive path insertion part, 30 ... Conductive path fixing part, 51 ... Hybrid car (automobile), 52 ... D 53 ... Motor unit, 54 ... Inverter unit, 55 ... Battery, 56 ... Engine room, 57 ... Automotive rear part, 58 ... Wire harness, 60 ... Middle part, 61 ... Under vehicle floor, 62 ... Junction block, 63 ... Harness terminal 64 ... Shield connector

Claims (4)

一又は複数本の導電路と、該一又は複数本の導電路を一括して覆う導電性の筒状のシールド部材と、相手金属部材に接触する導電性のシールドシェルと、筒状に形成されるゴム製の止水用ブーツと、前記シールドシェルに挿入されるゴム製の止水栓と、前記シールドシェルに挿入される樹脂製のホルダとを備え、
前記シールドシェルは、前記一又は複数本の導電路の挿通部分として筒状に形成される導電路挿通部を有し、
該導電路挿通部は、前記相手金属部材に近い側から順に、外面が前記止水用ブーツの密着部分になる大径部と、該大径部に対し一段下がった状態で連続し且つ外面が前記シールド部材の接続部分になる小径部とを有し、
前記大径部は、前記導電路挿通部における一方の端末の開口部分として形成される大径部端末開口を有し、
前記小径部は、前記導電路挿通部における他方の端末の開口部分として形成される小径部端末開口を有し、
前記止水栓は、前記一又は複数本の導電路に密着する導電路密着部と、前記導電路挿通部の内面に密着するシェル密着部とを有するとともに、前記大径部端末開口を介して前記大径部の内側に挿入される大径形状の大径被挿入部と、該大径被挿入部に連成され且つ少なくとも前記小径部端末開口までの長さで形成されて前記小径部の内側に挿入される小径形状の小径被挿入部とを有し、
前記ホルダは、前記大径部端末開口を介して前記大径部の内側に挿入され且つ前記大径被挿入部の端部との対向部分になる被挿入対向部を有する
ことを特徴とする止水構造。 One or a plurality of conductive paths, a conductive cylindrical shield member that collectively covers the one or a plurality of conductive paths, a conductive shield shell that contacts the mating metal member, and a cylindrical shape. A rubber water stop boot, a rubber water stop cock inserted into the shield shell, and a resin holder inserted into the shield shell,
The shield shell has a conductive path insertion part formed in a cylindrical shape as an insertion part of the one or more conductive paths,
The conductive path insertion portion is, in order from the side close to the mating metal member, a large diameter portion where the outer surface is an intimate contact portion of the waterproofing boot, and a continuous state with the outer surface being lowered by one step with respect to the large diameter portion. A small-diameter portion to be a connecting portion of the shield member,
The large-diameter portion has a large-diameter portion terminal opening formed as an opening portion of one terminal in the conductive path insertion portion,
The small diameter portion has a small diameter portion terminal opening formed as an opening portion of the other terminal in the conductive path insertion portion,
The water stopcock has a conductive path contact portion that is in close contact with the one or more conductive paths, and a shell contact portion that is in close contact with the inner surface of the conductive path insertion portion, and through the large-diameter end opening. A large-diameter inserted portion having a large diameter shape that is inserted inside the large-diameter portion, and formed at a length that extends to the large-diameter inserted portion and at least reaches the small-diameter end opening. Having a small diameter inserted portion of a small diameter shape inserted inside,
The holder includes an insertion facing portion that is inserted into the large diameter portion through the large diameter end opening and that is opposed to an end portion of the large diameter insertion portion. Water structure. 請求項１に記載の止水構造において、
前記ホルダは、前記一又は複数本の導電路の挿通部分として筒状に形成されるホルダ側導電路挿通部と、該ホルダ側導電路挿通部に挿通される前記一又は複数本の導電路を固定する導電路固定部とを更に有する
ことを特徴とする止水構造。 In the water stop structure according to claim 1,
The holder includes a holder-side conductive path insertion portion formed in a cylindrical shape as an insertion portion of the one or more conductive paths, and the one or multiple conductive paths inserted into the holder-side conductive path insertion portion. A water stop structure, further comprising a conductive path fixing portion for fixing. 請求項１又は２に記載の止水構造において、
前記小径被挿入部は、前記小径部端末開口から外方に突出する長さで形成される
ことを特徴とする止水構造。 In the water stop structure according to claim 1 or 2,
The water-stop structure is characterized in that the small-diameter inserted portion is formed with a length protruding outward from the small-diameter end opening. 自動車に配索されて電気的な接続を行うワイヤハーネスにおいて、
当該ワイヤハーネスのハーネス端末又はハーネス中間には、請求項１、２又は３に記載の止水構造を採用してなる止水構造部を設ける
ことを特徴とするワイヤハーネス。 In wire harnesses that are routed to cars and make electrical connections,
The wire harness characterized by providing the water stop structure part which employ | adopts the water stop structure of Claim 1, 2, or 3 in the harness terminal of the said wire harness, or harness middle.
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