Yazaki Corporation

Toyota Jidosha Kabushiki Kaisha

Kenta Yanazawa

Hideomi Adachi

Hiroyuki Yoshida

Toshihiro Nagashima

Takeshi Ogue

Masahide Tsuru

Tetsuo Yamada

Yoshiyuki Ishihara

Shinichi Inao

Hidehiko Kuboshima

Ryohei Toyoda

Takashi Tsukuda

Tatsuyoshi Ueta

Takuma Miyazaki

Takatatsu Yamamoto

Masahisa Sugimoto

Kouji Yonezu

Takahiko Kamiya

A cable conductor includes a conductor portion and an insulating material covering the conductor portion. The conductor portion includes a plurality of conductive materials having different characteristics.

Cable conductor

A waterproofing structure for shielded cable includes: a shielded cable including one or more cables and a braided wire serving as a shielding member and covering the cables; and a grommet serving as a waterproofing member covering a waterproofed portion of the braided wire. Thermoplastic resins serving as waterproofing fillers are respectively disposed on an inner side and an outer side of the waterproofed portion of the braided wire. The gaps between the plurality of strands of the braided wire and the gap between the braided wire and the small-diameter cylindrical portion of the grommet are filled with the thermoplastic resin melted by heating.

Waterproofing structure and waterproofing method for shielded cable

A waterproofing structure for shielded cable includes: a shielded cable including one or more cables and a braided wire serving as a shielding member and covering the cables; a grommet serving as a waterproofing member and covering a waterproofed portion on the braided wire; and a heat shrinkable tube including an adhesive disposed to cover the waterproofed portion of the braided wire. The adhesive pushed into the braided wire by heat shrinkage of the heat shrinkable tube fills a gap between a plurality of strands of the braided wire in an entire region of the waterproofed portion and a gap between the cable and the braided wire. A space between an outer circumferential surface of the heat shrinkable tube and a part of an inner circumferential surface of the waterproofing member is blocked without any gap in a circumferential direction.

A wire harness includes a harness main body including one or a plurality of conductive paths and an exterior member through which the one or a plurality of conductive paths is inserted, a packing bent portion arranged in a middle of the harness main body and used as a bent portion at a position suitable for packing the wire harness, and a routing path regulating portion arranged at the position suitable for packing the wire harness and configured to regulate the wire harness at a desired path when routing the wire harness.

Wire harness

Provided is a grommet having: a main body, which is arranged in close contact with an opening of an attachment member, through which a shield electric wire having an electric wire covered with a braid is inserted, and which includes an elastically deformable electrically conductive material; a pair of shield terminals that are arranged respectively on one side and the other side of the attachment member, are connected with end portions of the braid, are assembled with the main body, and include an electrically conductive material; and an insertion portion, which is formed of a member continuous with the main body, through which the electric wire exposed from the braid is inserted, and which comes into close contact with the outer circumference of the electric wire.

Grommet and grommet assembling method

A wire harness includes: a tubular outer member; and a conductive path which is inserted in and protected by the outer member. The conductive path includes a vibration suppressing portion which reduces a movable space of the conductive path at a prescribed position inside the outer member to suppress shaking of the conductive path. The vibration suppressing portion is formed by a partially increased thickness portion of a covering of the conductive path.

A wire harness manufacturing method includes a conduction path inserting step of inserting one or a plurality of conduction paths from one end of a resin-made tubular exterior member to the other end thereof, and an exterior member working step of performing post-working on one or a plurality of parts of the exterior member, after the conduction path inserting step. The exterior member working step includes forming a convex-shaped part when viewed from an inner surface side of the exterior member by performing the post-working using heat on an outer surface side of the exterior member. The convex-shaped part is a vibration suppressing part to reduce a play rate of the conduction path in the exterior member and suppress a vibration of the conduction path.

Wire harness manufacturing method

A wire harness includes a first conductor path having a high priority in protection, a second conductor path having a priority in protection which is lower than that of the first conductor path, and an external member having a tubular shape and accommodating the first conductor path and the second conductor path altogether so as to protect them. The external member has a form in which the first conductor path is positioned farther away from a road surface than the second conductor path within a predetermined range in a longitudinal direction thereof.

A wire harness includes an outer member having a tubular shape, at least one conductive path configured to be contained in the outer member and protected by the outer member, and a linear vibration suppressing member configured to suppress shaking of the at least one conductive path by decreasing a play ratio of the at least one conductive path in an inside of at least a prescribed portion of the outer member.

A wire harness includes an exterior member having a tube shape. The exterior member includes a flexible tube part formed in a flexible bellows tube shape and a straight tube part. The straight tube part is formed continuously with the flexible tube part so as to arrange the conductive path straight and has a non-bellows tube shape. A continuous portion between the flexible tube part and the straight tube part includes a tapered portion formed in a whole peripheral direction of the exterior member so as to reduce stress concentration in the continuous portion. An inner peripheral surface and an outer peripheral surface of the tapered portion include slopes connecting a top of a bellows projection of the flexible tube part and the straight tube part, or connecting a groove bottom of a bellows recess of the flexible tube part and the straight tube part.

A conductive path protection structure includes a first protector configured to accommodate a conductive path therein and to protect the conductive path, and a second protector configured to accommodate the first protector therein. An identification mark for identifying a specification of the conductive path is provided on a peripheral surface of the first protector. The second protector is formed with an opening configured to expose the identification mark therethrough to an outside of the second protector.

Conductive path protection structure

In a water cut-off structure including: a shield electric wire having a braid covering signal lines; an exterior member through which the shield electric wire is inserted; and a grommet that is arranged at an opening of an attachment member, partitions one side and the other side of the attachment member, and has an insertion portion through which the shield electric wire is inserted, an exposed portion where the braid is exposed to the outside is arranged between the insertion portion and the exterior member and is provided with resin that is formed integrally with the exterior member and the insertion portion and is poured into a space between the signal lines in the braid, a space between the braid and the signal lines, a space in the braid, a space between the braid and the exterior member, and a space between the braid and the insertion portion.

Water cut-off structure

A wire harness including one or more electrically conductive paths and a resin molded product having a tubular shape which accommodates and protects the one or more electrically conductive paths. The resin molded product includes a first part having clearances along a circumferential direction between an inner surface of the resin molded product and outer surfaces of the one or more electrically conductive paths and a second part having substantially no clearance between the inner surface of the resin molded product and an outer surface of one of the one or more electrically conductive paths in an area along the circumferential directions.

Wire harness and manufacturing method of wire harness

A wire harness includes a conductive path including a braided part and a sheath member accommodating the conductive path so as to protect the conductive path. The braided part is provided as an outermost layer of the conductive path. The braided part includes a cushion part having elasticity in a radial direction of the conductive path and projecting outward in the radial direction toward the sheath member.

Wire harness for suppression of vibration of a conductive path

An exterior end portion cap is configured to be attached to an electrically conductive path and an exterior member. The exterior end portion cap includes an external exposure portion having a first blocking portion, an internal insertion portion having a second block portion, and an electrically conductive path housing recess portion formed to extend across the external exposure portion and the internal insertion portion. The first blocking portion has a planar portion configured to abut against the exterior member. The second blocking portion has holding piece portions that are deformable to wind around the electrically conductive path circumferentially. The electrically conductive path housing recess portion is formed into a concave portion that is so deep that a part of an outer surface of the electrically conductive path is pressed against an inner surface of the exterior member.

Growing community of inventors

Shizuoka, Japan

Kenta Yanazawa