WO2017017779A1 - Câble, et câble plat pour câblage de partie mobile - Google Patents

Câble, et câble plat pour câblage de partie mobile Download PDF

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Publication number
WO2017017779A1
WO2017017779A1 PCT/JP2015/071334 JP2015071334W WO2017017779A1 WO 2017017779 A1 WO2017017779 A1 WO 2017017779A1 JP 2015071334 W JP2015071334 W JP 2015071334W WO 2017017779 A1 WO2017017779 A1 WO 2017017779A1
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WO
WIPO (PCT)
Prior art keywords
cable
metal
flexible tube
tube
flexible
Prior art date
Application number
PCT/JP2015/071334
Other languages
English (en)
Japanese (ja)
Inventor
得天 黄
小林　正則
理沙 秋山
Original Assignee
日立金属株式会社
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 日立金属株式会社 filed Critical 日立金属株式会社
Priority to PCT/JP2015/071334 priority Critical patent/WO2017017779A1/fr
Publication of WO2017017779A1 publication Critical patent/WO2017017779A1/fr

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    • 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
    • H01B7/08—Flat or ribbon cables
    • 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
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/20—Metal tubes, e.g. lead sheaths

Definitions

  • the present invention relates to a cable and a flat cable for wiring a movable part.
  • the movable part wiring cable is required to have excellent flexibility so that it does not break even if it is repeatedly subjected to U-bending. Therefore, polyvinyl chloride (PVC) has excellent flexibility as a sheath material. Resin or the like is used.
  • the polyvinyl chloride resin or the like constituting the sheath has excellent flexibility, if the cable is subjected to U-shaped bending under such severe conditions, the cable may not be kept straight but bend and bend. is there.
  • an object of the present invention is to provide a cable that is less likely to be entangled even when subjected to a U-shaped bend at high speed, and that can suppress wear of the cable sheath and accompanying dust generation, and a flat cable for movable part wiring using the cable. There is to do.
  • the present invention provides the following cable and a flat cable for wiring a movable part.
  • a cable core including a conductor and an insulator covering the conductor, and one or more metal or resin bellows-like flexible tubes disposed along the longitudinal direction of the cable core.
  • cable [2] The first flexible tube of the flexible tubes is disposed at the center of the cross section of the cable, and a plurality of cable cores are provided on the outer periphery of the first flexible tube.
  • the cable core is disposed in a second flexible tube of the flexible tubes, and the second flexible tube is not the outermost layer. The cable according to any one of [3].
  • the present invention it is possible to provide a cable that is less likely to be entangled even when subjected to U-bending at a high speed, and that can suppress wear of the cable sheath and dust generation associated therewith, and a flat cable for movable part wiring using the cable. Can do.
  • a cable according to an embodiment of the present invention includes a cable core including a conductor and an insulator covering the conductor, and one or more metal or resin bellows arranged along the longitudinal direction of the cable core.
  • Flexible tube There may be one cable core or a plurality of cable cores.
  • the bellows-like flexible tube in the embodiment of the present invention does not expand even when pulled in the longitudinal direction.
  • a force for contracting in the longitudinal direction is applied, it contracts by about 3 to 10%, but when the force is released.
  • a tube made of metal or resin that returns to its original length has flexibility but does not bend more than a certain amount, and has restoring force (straightness). If it is a flexible pipe
  • FIG. 1 is a cross-sectional view showing the structure of a cable according to the first embodiment of the present invention.
  • the cable 10 according to the first embodiment of the present invention has a single metal bellows-like flexible tube 11 (hereinafter referred to as a metal tube) as the first flexible tube.
  • the metal tube 11 is disposed at the center of the cross section of the cable 10, and a plurality of cable cores 13 are disposed on the outer periphery of the metal tube 11.
  • the cable 10 has a substantially circular cross-sectional shape, and includes a plurality of cable cores 13 including a metal tube 11 provided with a resin coating layer 12, and a conductor 13a and an insulator 13b that covers the conductor 13a disposed on the outer periphery thereof. 1 (6 in FIG. 1), a binding tape 14 made of polytetrafluoroethylene (PTFE) or the like wound around the outer periphery to bundle them, and a metal wire such as a silver-plated copper wire provided around the binding tape 14 Is formed of a metal braided shield 15 formed by braiding and a sheath 16 made of PVC or the like coated on the periphery thereof.
  • PTFE polytetrafluoroethylene
  • the metal tube 11 may be left as it is, but it is preferable that the resin coating layer 12 is provided so as not to damage the insulator 13b of the cable core 13.
  • the resin coating layer 12 is preferably solid-extruded (material: polyvinyl chloride resin (PVC), polyurethane, etc.) on the outer periphery of the metal tube 11. Further, instead of full extrusion, a bind tape (material: PVC, polyurethane, etc.) may be wound. If the flexible tube is a resin tube, the resin coating layer 12 may not be provided.
  • FIG. 2A is a perspective view showing a structure of a metal tube (flexible tube) used in the cable according to the embodiment of the present invention.
  • 2B is a cross-sectional view showing an example of the metal tube expansion and contraction structure of FIG. 2A
  • FIG. 2C is a cross-sectional view showing an example different from FIG.
  • the metal tube 11 has a bellows shape, and when the force is applied so that the convex portions adjacent to each other in the longitudinal direction approach each other, the tube contracts in the longitudinal direction and automatically releases if the force is released.
  • the tube extends to its original length. Since the metal tube 11 does not bend more than a certain amount and has a restoring force (straight advance) even if it is bent, the cable 10 as a whole is prevented from being bent more than a certain amount, and the cable becomes strong. As a result, the cable can be prevented from dripping even if it is subjected to U-shaped bending at high speed, so that the cable is less likely to be entangled, and cable abrasion and accompanying dust generation can be suppressed.
  • the expansion / contraction structure of the metal tube 11 is not particularly limited.
  • a so-called Squarelock structure such as the metal tube 11A illustrated in FIG. 2B or the metal tube 11B illustrated in FIG. 2C is used.
  • Such a so-called Interlock structure double lock structure is preferable. Interlock structure is more preferable in terms of smoothness and strength of appearance.
  • the coating layer 11b which consists of resin, such as PVC, is provided as FIG. 2C shows.
  • the metal tube 11 is preferably made of a copper alloy, stainless steel, or aluminum alloy. Plating treatment such as zinc plating or tin plating may be performed.
  • the size of the metal tube 11 is preferably, for example, an inner diameter of 4 ⁇ 0.5 mm and an outer diameter of 6 ⁇ 0.5 mm.
  • the cable core 13 includes a center conductor 13a and an insulator 13b that is coated or wound around the outer periphery of the center conductor 13a. Interpositions, external conductors, and the like may be provided.
  • the conductor 13a may be a single wire or a stranded wire.
  • the conductor 13a is made of, for example, a copper alloy, and may be plated with silver plating or the like.
  • the size of the conductor 13a is not particularly limited. For example, a conductor having a thickness of 28-14 AWG (American Wire Gauge) is preferably used.
  • the number of cable cores 13 is six in FIG. 1, but is not particularly limited, and is preferably 4 to 10, for example.
  • the insulator 13b is formed by, for example, extrusion molding a resin selected from a fluororesin, polyethylene (PE), and polypropylene (PP).
  • the thickness of the insulator 13b is, for example, 0.15 to 0.4 mm.
  • the insulator 13b is not limited to a single layer, and may be two or more layers.
  • the bind tape 14 is, for example, a tape made of a resin such as a paper tape having good slipperiness, polytetrafluoroethylene (PTFE), nylon resin, polyethylene terephthalate (PET) resin, and a part of the adjacent tapes when wound. It is wrapped so that it can be overlaid.
  • a resin such as a paper tape having good slipperiness, polytetrafluoroethylene (PTFE), nylon resin, polyethylene terephthalate (PET) resin, and a part of the adjacent tapes when wound. It is wrapped so that it can be overlaid.
  • the metal braided shield 15 is preferably formed by weaving flat wire having a substantially rectangular cross section. In order to avoid damage to the binding tape 14 and the sheath 16, it is desirable to use a rounded strand, and a flat strand formed by rolling a strand having a circular cross section is used. desirable.
  • the thickness of the flat wire is preferably about 0.1 to 0.15 mm, and the width of the flat wire is preferably about 0.5 to 2 mm.
  • the sheath 16 is formed, for example, by extruding a resin selected from polyvinyl chloride resin, polyurethane resin, polyolefin resin, and fluororesin.
  • the thickness of the sheath 16 is, for example, 0.8 to 1.5 mm.
  • the sheath 16 is not limited to a single layer, and may be two or more layers.
  • the cable 10 according to the present embodiment is suitable as a movable part wiring cable used in a semiconductor or liquid crystal screen production line or the like, but is not limited to this, and is not limited to a medical cable (probe cable or the like) or a vehicle. It can be used for various purposes such as cables for industrial use.
  • FIG. 3 is a cross-sectional view showing the structure of the cable according to the second embodiment of the present invention.
  • the cable 20 according to the second embodiment of the present invention has a single metal tube 21 as a second flexible tube.
  • the metal tube 21 is disposed outside the cable core 13. That is, the cable core 13 is disposed in the pipe of the metal pipe 21.
  • the configuration of the cable 20 shown in FIG. 3 will be described in more detail.
  • the cable 20 has a substantially circular cross section, and includes an interposer 22 made of aramid fibers or the like disposed at the center of the cross section of the cable, and a conductor 13a and an insulator 13b covering the conductor 13a disposed on the outer periphery thereof.
  • a bind tape 14 made of polytetrafluoroethylene (PTFE) or the like wound around the outer periphery in order to bundle them, and to accommodate these in the pipe
  • the metal tube 21 is provided and a sheath 16 made of PVC or the like coated around the metal tube 21. Since the configurations denoted by the same reference numerals as those in the first embodiment are the same as those in the first embodiment, description thereof will be omitted.
  • the metal tube 21 may be provided with a resin coating layer 12 formed by fully extruding a resin such as PVC or winding a bind tape.
  • the metal tube 21 is a bellows-like flexible metal tube having the same characteristics as the metal tube 11 in the first embodiment described above, but the size is larger than that of the metal tube 11 in the first embodiment.
  • those having an inner diameter of 6 ⁇ 0.5 mm and an outer diameter of 8 ⁇ 0.5 mm are suitable.
  • the metal braided shield 15 in the first embodiment is not provided. This is because the metal tube 21 also functions as a shield. Since there is no gap on the outer surface of the metal tube 21, the shielding performance is improved compared to the braid.
  • a metal braided shield 15 may be provided, and in this case, it is preferable to provide it between the bind tape 14 and the metal tube 21.
  • FIG. 4 is a cross-sectional view showing the structure of the cable according to the third embodiment of the present invention.
  • the cable 30 according to the third embodiment of the present invention is a fusion type of the first embodiment and the second embodiment described above, and the metal braid shield in the cable 10 according to the first embodiment. 15 is replaced with the metal tube 21 in the cable 20 according to the second embodiment. That is, the cable 30 includes two bellows-like flexible metal tubes 11 and 21 (first and second flexible tubes).
  • the first and second embodiments are superior, but the effect of the present invention that suppresses cable entanglement is more easily exhibited by the present embodiment.
  • the movable part wiring flat cable according to the embodiment of the present invention is formed by arranging a plurality of the cables according to the embodiment of the present invention in parallel and connecting sheaths of adjacent cables.
  • FIG. 5 is a cross-sectional view showing the structure of the movable part wiring flat cable according to the embodiment of the present invention.
  • a plurality of the cables 10 according to the first embodiment of the present invention are arranged in parallel, and the sheaths of adjacent cables 10 are connected. It has been made.
  • the sheaths can be connected by fusion, bonding, or the like.
  • the connected sheaths may be collectively formed by extrusion coating or the like.
  • the number of cables to be connected in parallel is not limited to five, and for example, 3 to 15 cables are suitable.
  • the cables according to the second to fourth embodiments may be used instead of the cable 10 according to the first embodiment, and two or more of these cables may be used in parallel.
  • the metal braiding can be omitted, there is a problem that the sheath is broken (exposure of the braided wire) due to the breakage of the metal braiding strand and the insulator is cut and short-circuited. Can be resolved.
  • the use of the cable bear can be omitted because the cable according to the embodiment of the present invention is used.

Abstract

L'invention fournit : un câble peu susceptible de s'enchevêtrer y compris lorsqu'il est soumis à une courbure en U à grande vitesse, et permettant d'empêcher l'usure d'une gaine de câble et le dégagement de poussière associé ; et un câble plat pour câblage de partie mobile mettant en œuvre ce câble. Le câble (10) possède : une âme de câble (13) contenant un conducteur (13a) et un corps isolant (13b) revêtant le conducteur (13a) ; et un ou plusieurs tubes flexibles en forme de soufflet en métal ou en résine disposés suivant la direction longitudinale de l'âme de câble (13).
PCT/JP2015/071334 2015-07-28 2015-07-28 Câble, et câble plat pour câblage de partie mobile WO2017017779A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2015/071334 WO2017017779A1 (fr) 2015-07-28 2015-07-28 Câble, et câble plat pour câblage de partie mobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2015/071334 WO2017017779A1 (fr) 2015-07-28 2015-07-28 Câble, et câble plat pour câblage de partie mobile

Publications (1)

Publication Number Publication Date
WO2017017779A1 true WO2017017779A1 (fr) 2017-02-02

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07136973A (ja) * 1993-11-12 1995-05-30 Matsushita Electric Ind Co Ltd 直交ロボット
JP2000021251A (ja) * 1998-07-02 2000-01-21 Mitsubishi Cable Ind Ltd 同軸ケーブル
JP2005276477A (ja) * 2004-03-23 2005-10-06 Shinagawa Shoko Kk 電気機器接続用ケーブル
JP2015504584A (ja) * 2011-11-28 2015-02-12 コーニンクレッカ フィリップス エヌ ヴェ 医療装置用ケーブル

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07136973A (ja) * 1993-11-12 1995-05-30 Matsushita Electric Ind Co Ltd 直交ロボット
JP2000021251A (ja) * 1998-07-02 2000-01-21 Mitsubishi Cable Ind Ltd 同軸ケーブル
JP2005276477A (ja) * 2004-03-23 2005-10-06 Shinagawa Shoko Kk 電気機器接続用ケーブル
JP2015504584A (ja) * 2011-11-28 2015-02-12 コーニンクレッカ フィリップス エヌ ヴェ 医療装置用ケーブル

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