WO2017199699A1 - Faisceau électrique - Google Patents

Faisceau électrique Download PDF

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Publication number
WO2017199699A1
WO2017199699A1 PCT/JP2017/016215 JP2017016215W WO2017199699A1 WO 2017199699 A1 WO2017199699 A1 WO 2017199699A1 JP 2017016215 W JP2017016215 W JP 2017016215W WO 2017199699 A1 WO2017199699 A1 WO 2017199699A1
Authority
WO
WIPO (PCT)
Prior art keywords
wire harness
molded product
insulated wires
insulated
injection
Prior art date
Application number
PCT/JP2017/016215
Other languages
English (en)
Japanese (ja)
Inventor
亮 浜崎
藤井　正司
大樹 舩岡
Original Assignee
東洋紡株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 東洋紡株式会社 filed Critical 東洋紡株式会社
Priority to JP2018518182A priority Critical patent/JP6919649B2/ja
Publication of WO2017199699A1 publication Critical patent/WO2017199699A1/fr
Priority to PH12018501720A priority patent/PH12018501720A1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • 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
    • H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
    • 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

Definitions

  • the present invention relates to a wire harness in which a plurality of insulated wires are sealed with an injection molded product.
  • a wire harness that facilitates accommodating a plurality of insulated wires partially in a lump is installed.
  • the insulating layer of the insulated wire may be partially peeled to expose the conductor, and the exposed portion may be joined by welding, pressure bonding, or the like.
  • the exposed portion may be joined by welding, pressure bonding, or the like.
  • a technique for sealing an exposed portion with a resin is known.
  • Patent Document 1 discloses a wire harness in which an exposed portion of an insulated wire is sealed with a photocurable resin.
  • the present invention has been made in view of the above circumstances, and an object thereof is to provide a wire harness capable of meeting various needs of users.
  • the inventors of the present invention have made extensive studies to solve the above-mentioned problems. As a result, it is a wire harness in which a plurality of insulated wires whose surfaces are covered with an insulating layer are sealed, and the insulated wires are not covered with the insulating layer and the conductor is exposed. It has been found that a wire harness that can be easily accommodated in various places can be obtained by having at least an exposed portion, and at least the exposed portion being sealed with an injection molded product.
  • the configuration of the present invention is as follows.
  • Item 1. A wire harness in which a plurality of insulated wires whose surfaces are covered with an insulating layer are sealed, The insulated wire has an exposed portion where the insulating layer is not covered and the conductor is exposed, At least the exposed portion is sealed with an injection molded product.
  • Item 2. Item 2. The wire harness according to Item 1, wherein the exposed portions are joined to each other.
  • Item 3. The plurality of insulated wires exist on one end in the axial direction of the injection molded product and on the side opposite to the exposed portion, Item 3.
  • the wire according to Item 1 or 2 wherein the exposed portion is present on the other end side from a position (hereinafter, referred to as 1 / position) that is one third of the axial length of the injection-molded product from the one end portion. Harness.
  • Item 4. The outermost tangent lines of the plurality of insulated wires in the first cross section perpendicular to the axial direction at the one end are: Item 4.
  • the wire harness according to Item 3 wherein the wire harness is shorter than an outermost tangent of the plurality of insulated wires in a second cross section perpendicular to the axial direction at the 1/3 position.
  • Item 5. The wire harness according to Item 4, wherein the shape of the insulated wire in the first section is flat.
  • Item 6. Item 6.
  • some insulated wires are Item 7.
  • a wire harness that can be easily accommodated in various places can be obtained by the above configuration.
  • FIG.1 (a) is a side view of the injection molded product of the wire harness and its peripheral part in 1st Embodiment.
  • FIG.1 (b) is the figure which saw through the inside of the injection molded product of Fig.1 (a).
  • FIG. 2A is an XX cross-sectional view of the injection-molded product shown in FIG.
  • FIG. 2B is a YY sectional view of the injection-molded product shown in FIG.
  • FIG.3 (b) is the figure which saw through the inside of the injection molded product of Fig.3 (a).
  • FIG. 4 is a schematic explanatory view of injection molding.
  • Fig.5 (a) is sectional drawing inside the insert piece used for injection molding.
  • FIG.5 (b) is sectional drawing inside a metal mold
  • the wire harness of the present invention is a wire harness in which a plurality of insulated wires whose surfaces are covered with an insulating layer are sealed, and the insulated wires are not covered with the insulating layer and the conductor Is exposed, and at least the exposed portion is sealed with an injection molded product.
  • Fig.1 (a) is a side view of the injection molded product of the wire harness and its peripheral part in 1st Embodiment. As shown in FIG. 1A, the plurality of insulated wires 1 are sealed with an injection molded product 4.
  • FIG. 1 (b) is a perspective view of the inside of the injection-molded product of FIG. 1 (a).
  • a dashed-two dotted line shows the part in which the injection molded product 4 exists.
  • the insulated wire 1 has a conductor 2 with a surface coated with an insulating layer 3, but the insulated wire 1 is not covered with the insulating layer 3 at the tip.
  • the exposed portion 5 is sealed with the injection molded product 4.
  • the exposed portions 5 are joined to each other.
  • the exposed portion 5 is sealed by the injection molded product 4, thereby making it easy to prevent water immersion and leakage. From the viewpoint of preventing flooding and leakage, it is preferable that the exposed portion 5 and the portion adjacent to the exposed portion 5 of the insulated wire 1 are also sealed with the injection molded product 4 as shown in FIG. .
  • the shape of the injection-molded product 4 is a cylindrical shape in the first embodiment. Since the injection-molded product 4 is obtained by injection-molding a resin, the shape thereof is various, and examples include shapes such as elliptic cylinders, cubes, rectangular parallelepipeds in addition to cylinders. Thus, since the shape of the injection molded product 4 is various, it can be accommodated in various places.
  • the material of the injection-molded product 4 is not particularly limited, but considering adhesiveness with the insulating layer 3 and the exposed portion 5, resins such as polyolefin, polyamide, and polyester are preferable. Of these, polyester resins are more preferred. Viroshot (registered trademark, manufactured by Toyobo Co., Ltd.) can be listed as a commercial product. Since the by-shot can be injected even at a low pressure, it is possible to easily suppress damage to the insulated wire 1 during injection molding. For this reason, a byro shot is more preferable. Examples of the byro shot include Viro Shot (registered trademark) GM-955 series, GM-960 series, and the like.
  • additives can be added as long as the properties of the injection-molded product 4 are not impaired.
  • fillers such as silica and talc; flame retardants such as antimony oxide, aluminum hydroxide and magnesium hydroxide; plasticizers such as phthalate ester and adipic acid ester; mold release agents such as polyethylene wax and silicone oil; Examples thereof include hydrolysis inhibitors such as carbodiimide.
  • the content of the additive is preferably about 0.1 parts by mass or more and 50 parts by mass or less with respect to 100 parts by mass of the resin used as the material of the injection-molded product 4.
  • the content of the additive is more preferably 1 part by mass or more and 30 parts by mass or less, and further preferably 5 parts by mass or more and 20 parts by mass or less.
  • the exposed portions 5 are not necessarily bonded to each other, but the exposed portions 5 are easier to seal the exposed portions 5. Therefore, it is preferable that the exposed portions 5 are joined to each other.
  • the joining method may be a known method such as welding or pressure bonding.
  • the exposed portion 5 is not necessarily present at the tip of the insulated wire 1, but the exposed portion 5 is preferably present at the tip of the insulated wire 1 from the viewpoint of easy joining of the exposed portion 5.
  • the insulated wire 1 is a general insulated wire used for motorcycles and the like.
  • Examples of the material of the conductor 2 include copper, copper alloy, aluminum, silver, or those plated with gold or tin.
  • Examples of the material for the insulating layer 3 include resins such as polyvinyl chloride, polyethylene, and polypropylene.
  • one end A in the axial direction of the injection-molded product 4 is located on the opposite side of the exposed portion 5, and a plurality of insulated wires 1 are present at the one end A.
  • the other end of the injection molded product 4 from the one-third position (hereinafter referred to as the position C) that is one-third away from the axial length of the injection-molded product 4 (the length of the dashed arrow) from the one end A of the injection molded product 4
  • An exposed portion 5 exists on the B side.
  • one end A of the injection-molded product 4 is a portion where a plurality of insulated wires 1 are indented, a gap due to aging or the like is likely to occur.
  • the exposed portion 5 is too close to the one end A when the water is immersed from this gap, there is a possibility that the exposed portion 5 is connected to the inside of the insulated wire 1, but the exposed portion 5 is at a position away from the one end A.
  • the exposed part 5 exists in the axial direction at the other end B side rather than the position C.
  • the exposed portion 5 exists on the other end B side from a half position that is 1/2 the axial length of the injection-molded product 4 from the one end A.
  • the exposed portion 5 may be exposed to the outside when the other end B is damaged. Therefore, it is preferable that the exposed part 5 exists in the one end part A side rather than the position which is 1/20 distance from the other end part B of the axial direction length of the injection molded product 4.
  • the axial length of the injection-molded product 4 is not particularly limited, but is approximately 1 to 20 cm.
  • FIG. 2A is an XX cross-sectional view perpendicular to the axial direction at one end A of FIG.
  • FIG. 2B is a YY cross-sectional view perpendicular to the axial direction at position C in FIG.
  • the XX section may be simply referred to as a first section.
  • the YY section may be simply referred to as a second section.
  • the broken lines indicate the outermost tangent lines of the plurality of insulated wires 1 in each cross section.
  • the outermost tangent lines of the plurality of insulated wires 1 in FIG. 2 (a) are shorter than the outermost tangent lines of the plurality of insulated wires 1 in FIG. 2 (b).
  • This means that the insulated wire 1 is bundled more densely at the one end A of FIG.
  • the resin leakage means that the resin does not fit in a desired shape during injection molding, and the insulated wire 1 is connected and solidified as it is to deteriorate the appearance properties.
  • the outermost tangent in the present invention means the shortest tangent that circumscribes the plurality of insulated wires 1 so as to surround the plurality of insulated wires 1 in a cross section perpendicular to the axial direction of the injection molded product 4.
  • the insulated wire 1 at the one end A is tightly bundled, it becomes easy to apply the injection pressure required at the time of injection molding, so that the resin is easily filled, and as a result, the airtightness of the injection molded product 4 is improved. Get higher.
  • the insulated wires 1 are in contact with each other, but the insulated wires 1 that are not in contact may be included.
  • the outermost tangent of the plurality of insulated wires 1 in the first section is shorter than the outermost tangent of the plurality of insulated wires 1 in the second section. preferable.
  • the shape of the insulated wire 1 in the first cross section is preferably flat. Since the contact point of each insulated wire 1 is increased due to the flat shape, a plurality of insulated wires 1 are easily bundled at one end A.
  • the flatness of the insulated wire 1 is defined by the long diameter of the insulated wire 1 / the short diameter of the insulated wire 1.
  • the flatness of the insulated wire 1 is preferably 1.1 or more and 4 or less. When the flatness ratio is 1.1 or more, the above flat effect is easily obtained.
  • the flatness is more preferably 1.2 or more, and still more preferably 1.3 or more.
  • the conductor 2 is difficult to be disconnected.
  • the flatness is more preferably 3 or less, and still more preferably 2 or less.
  • the total area ratio of the plurality of insulated wires 1 in the first cross section is preferably 20 area% or more and 90 area% or less.
  • the total area ratio is more preferably 30 area% or more, and still more preferably 40 area% or more.
  • the total area ratio is 90 area% or less, even if the injection molded product 4 is damaged, the conductor 2 is hardly exposed to the outside.
  • the total area ratio is more preferably 80 area% or less, still more preferably 70 area% or less.
  • the total area ratio of the plurality of insulated wires 1 with respect to the region surrounded by the outermost tangent lines of the plurality of insulated wires 1 in the first cross section is preferably 70 area% or more. , Less than 100 area%.
  • the total area ratio is more preferably 80 area% or more, and still more preferably 90 area% or more.
  • the total area ratio is more preferably 98 area% or less, still more preferably 95 area% or less.
  • the preferable total area ratio of the plurality of insulated wires 1 in the second cross section is the same as the preferable total area ratio of the plurality of insulated wires 1 in the first section.
  • the total area ratio of the plurality of insulated wires 1 with respect to the region surrounded by the outermost tangent lines of the plurality of insulated wires 1 in the second cross section is preferably 60 area% or more. 95% by area or less.
  • the total area ratio with respect to the second outermost tangent region is 60 area% or more, the plurality of insulated wires 1 at the one end A are likely to be in a tightly bundled state. More preferably, it is 65 area% or more, More preferably, it is 70 area% or more.
  • the resin is easily filled, and the airtightness of the injection-molded product 4 is increased. More preferably, it is 90 area% or less, More preferably, it is 80 area% or less.
  • the plurality of insulated wires 1 have the same diameter, but may have different diameters.
  • the diameter of the insulated wire 1 is not particularly limited, but is approximately 0.3 to 10 mm.
  • the diameter of the injection molded product 4 is not particularly limited, but is approximately 2 to 100 mm.
  • FIG.3 (a) is a side view of the injection molded product of the wire harness and its peripheral part in 2nd Embodiment.
  • FIG.3 (b) is the figure which saw through the inside of the injection molded product of Fig.3 (a).
  • the same number is described to the component similar to the wire harness 10 of 1st Embodiment, The description is abbreviate
  • the plurality of insulated wires 1 are sealed with an injection-molded product 4. Some insulated wires 1 out of the plurality of insulated wires 1 protrude from the other end B of the injection-molded product 4.
  • the exposed portion 5 only needs to be sealed by the injection molded product 4, and a part of the insulated wire 1 can be protruded from the injection molded product 4.
  • the wire harness 10 of this invention becomes what is easy to use for various uses.
  • the exposed portions 5 do not necessarily have to exist in all the insulated wires 1 in the injection-molded product 4, and the exposed portions 5 in some of the insulated wires 1. May be present.
  • FIG. 4 is a schematic explanatory view of injection molding.
  • Fig.5 (a) is sectional drawing inside a slot.
  • FIG.5 (b) is sectional drawing inside a metal mold
  • the lower mold 30a has a recessed lower insertion piece 20a.
  • the lower mold 30a is provided with a groove 31a.
  • the plurality of insulated wires 1 are fitted into the groove portion 21a of the lower insertion piece 20a so that the exposed portion 5 of the insulated wire 1 is positioned in the groove portion 31a of the lower mold 30a.
  • the plurality of insulated wires 1 fitted into the groove 21a of the lower insertion piece 20a are pressed down by the convex portions of the upper insertion piece 20b inserted into the upper mold 30b. Thereby, the some insulated wire 1 of this part will be in the state bundled tightly.
  • the density of the plurality of insulated wires 1 can be controlled by changing the height of the convex portion of the upper insertion piece 20b.
  • FIG. 5B is a cross-sectional view of the inside of the mold when the upper mold 30b is superimposed on the lower mold 30a of FIG. Resin is filled in the space formed by the groove 31a of the lower mold 30a and the groove 31b of the upper mold 30b.
  • Resin filling is performed by injecting molten resin into the mold. At that time, for example, the resin may be poured in the direction of the arrow through the runner 32 as shown in FIG. Although FIG. 4 shows one runner and one flow direction, there is no problem even if a plurality of runners are provided in the mold and a plurality of injection molded products are molded.
  • the injection pressure is not particularly limited, but is preferably 0.05 MPa or more and 50 MPa or less.
  • the resin can be easily filled by setting the injection pressure to 0.05 MPa or more.
  • it can shape

Landscapes

  • Insulated Conductors (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

L'invention a pour objet de fournit un faisceau électrique permettant de correspondre aux différents besoins d'un utilisateur. Le faisceau électrique de l'invention est tel qu'une pluralité de fils isolés qui présente une couche isolante revêtant la surface d'un conducteur, est encapsulée. Ce faisceau électrique est caractéristique en ce que lesdits fils isolés possèdent une partie exposition dans laquelle est exposé le conducteur non revêtu par ladite couche isolante, et au moins ladite partie exposition est encapsulée au moyen d'un produit moulé par injection.
PCT/JP2017/016215 2016-05-19 2017-04-24 Faisceau électrique WO2017199699A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2018518182A JP6919649B2 (ja) 2016-05-19 2017-04-24 ワイヤハーネス
PH12018501720A PH12018501720A1 (en) 2016-05-19 2018-08-14 Wire harness

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016100426 2016-05-19
JP2016-100426 2016-05-19

Publications (1)

Publication Number Publication Date
WO2017199699A1 true WO2017199699A1 (fr) 2017-11-23

Family

ID=60326470

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/016215 WO2017199699A1 (fr) 2016-05-19 2017-04-24 Faisceau électrique

Country Status (4)

Country Link
JP (1) JP6919649B2 (fr)
PH (1) PH12018501720A1 (fr)
TW (1) TWI711054B (fr)
WO (1) WO2017199699A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240025778A (ko) 2022-08-19 2024-02-27 한인순 전장용 플랫케이블 제조장치 및 제조방법.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55137677A (en) * 1979-04-13 1980-10-27 Matsushita Electric Ind Co Ltd Cord terminal instrument and method of manufacturing same
JP2000003624A (ja) * 1998-06-16 2000-01-07 Yazaki Corp ノンハロゲン難燃性分岐付ケーブル
JP2009059569A (ja) * 2007-08-31 2009-03-19 Fuji Densen Kogyo Kk 差込みプラグ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3419128B2 (ja) * 1995-02-03 2003-06-23 住友電装株式会社 ワイヤーハーネスおよびその製造方法
JP3392339B2 (ja) * 1998-01-07 2003-03-31 矢崎総業株式会社 電線接続部のモールド構造およびモールド方法
JP2003151368A (ja) * 2001-11-07 2003-05-23 Yonezawa Densen Kk 端末止水部付きシールド線
JP2010068613A (ja) * 2008-09-10 2010-03-25 Yazaki Corp ワイヤハーネス
JP6044509B2 (ja) * 2013-11-01 2016-12-14 住友電装株式会社 ワイヤハーネスの止水構造

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55137677A (en) * 1979-04-13 1980-10-27 Matsushita Electric Ind Co Ltd Cord terminal instrument and method of manufacturing same
JP2000003624A (ja) * 1998-06-16 2000-01-07 Yazaki Corp ノンハロゲン難燃性分岐付ケーブル
JP2009059569A (ja) * 2007-08-31 2009-03-19 Fuji Densen Kogyo Kk 差込みプラグ

Also Published As

Publication number Publication date
TW201742082A (zh) 2017-12-01
JPWO2017199699A1 (ja) 2019-03-14
PH12018501720A1 (en) 2019-05-15
TWI711054B (zh) 2020-11-21
JP6919649B2 (ja) 2021-08-18

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