JP2015072883A - Wire harness - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wire harness which facilitates assembly work of a shield sheath material to a wire group easily.SOLUTION: The wire harness comprises: a wire group 50; a sheet-shaped shield sheath material 10 which is formed into rectangle and is configured so that at least one side surface part has conductivity, and short sides of the rectangle are along a peripheral direction of the wire group 50, and which covers a long direction predetermined range of the wire group 50 in a Sushi roll state so that one side surface parts are exposed; a terminal member 20 for earth which contacts the shield sheath material 10 surrounding the wire group 50 in a peripheral direction and which has a C-shaped holding part 21 for holding the shield sheath material 10; and an earth wire 30 whose one end is coupled to the terminal member 20 for earth, and whose other end is grounded to an earth point.

Description

  The present invention relates to a wire harness.

  DESCRIPTION OF RELATED ART Conventionally, the wire harness provided with the shield exterior material which stuck metal foil on the insulating resin sheet, and the drain wire extended in the longitudinal direction of an electric wire group is known (for example, refer patent document 1).

  The shield exterior material wraps the predetermined range in the longitudinal direction of the electric wire group in the circumferential direction so that the metal foil contacts the electric wire group. The drain wire is sandwiched between the insulating resin sheet at the beginning of the shield sheathing and the metal foil at the end of the shielding sheath. The drain line is connected to the ground terminal.

  The metal foil and drain wire at the wrapping end portion of the shield sheathing material are fixed to the insulating resin sheet at the wrapping first portion of the shield sheathing material by an adhesive layer extending in the longitudinal direction of the electric wire group so that the drain wire comes into contact with the metal foil. It has become.

  The above-described wire harness is caused by a change in electric field due to a change in electric field, etc., due to a shield sheathing material that wraps the wire group in the circumferential direction and a drain wire that extends in the longitudinal direction of the wire group and contacts the metal foil. To avoid the influence of electrostatic noise.

JP-A-11-353952

  However, when the above-described wire harness has a long range in which the wire group is wrapped by the shield sheathing material, when the end portion of the shield sheathing material wrapping and the shield sheathing material wrapping start portion are fixed by the adhesive layer, the shield sheathing material Positioning becomes difficult. For this reason, the above-mentioned wire harness cannot perform the assembly | attachment operation | work of the shield exterior material with respect to an electric wire group easily and easily.

  Then, this invention was made | formed in order to solve the subject mentioned above, and it aims at providing the wire harness which can perform the assembly | attachment operation | work of the shield exterior material with respect to an electric wire group easily and easily. Yes.

  In order to achieve the above object, a wire harness according to the present invention is configured to be formed in a rectangular shape and at least one side surface has conductivity, and the short side of the rectangle is aligned with the circumferential direction of the wire group. And the sheet-like shield sheathing material that wraps the predetermined range in the longitudinal direction of the electric wire group in a laver so that one side surface portion is exposed, and extends in the circumferential direction of the electric wire group, A grounding terminal member having a C-shaped holding portion for holding the shielding sheathing material in contact with the shielding sheathing material, one end connected to the grounding terminal member, and the other end to the grounding point And a ground wire to be grounded.

  By this structure, the wire harness which concerns on this invention hold | maintains the shield cladding | exterior_material in which the terminal member for earth | surfaces has wrapped the longitudinal direction predetermined range of the electric wire group in the circumferential direction. For this reason, the wire harness which concerns on this invention can perform the assembly | attachment operation | work of the shield exterior material with respect to an electric wire group easily and easily.

  In the wire harness according to the present invention, the grounding terminal member electrically connects the one side surface portion of the shield exterior material having conductivity and the ground wire. For this reason, as for the wire harness which concerns on this invention, a shield exterior material serves as a drain wire. Therefore, the wire harness according to the present invention can prevent the predetermined range in the longitudinal direction of the electric wire group from being affected by electrostatic noise.

  In the wire harness having the above-described configuration, the ground terminal member may be fixed to the shield exterior member in a state in which the wire group is wrapped in the circumferential direction by an adhesive tape.

  With this configuration, in the wire harness according to the present invention, the adhesive tape fixes the ground terminal member and the shield exterior material to each other. For this reason, the wire harness which concerns on this invention does not shift | deviate the terminal member for earth | ground with respect to the shield exterior material which wraps the longitudinal direction predetermined range of an electric wire group in the circumferential direction.

  In the wire harness having the configuration described above, the grounding terminal member has a fixing portion that protrudes in the longitudinal direction of the wire group, and the fixing portion wraps the wire group in the circumferential direction. Furthermore, it is good also as a structure fixed with the adhesive tape.

  With this configuration, in the wire harness according to the present invention, the adhesive tape fixes the fixing portion of the ground terminal member and the shield exterior material to each other. For this reason, the wire harness which concerns on this invention does not shift | deviate the terminal member for earth | ground with respect to the shield exterior material which wraps the longitudinal direction predetermined range of an electric wire group in the circumferential direction.

  The wire harness of the structure mentioned above WHEREIN: The said shield exterior material is good also as a structure which has wrapped the said electric wire group to the case of the terminal member connected to the both ends of the said electric wire group.

  With this configuration, it is possible to prevent the influence of electrostatic noise over the entire length of the wire group in which the terminal members are connected to both ends.

  ADVANTAGE OF THE INVENTION According to this invention, the wire harness which can perform the assembly | attachment operation | work of the shield exterior material with respect to an electric wire group easily and easily can be provided.

It is a schematic side view which shows the process of wrapping an electric wire group with the shield exterior material which comprises the wire harness which concerns on the 1st Embodiment of this invention. It is a perspective view of the terminal member for earthing which constitutes the wire harness concerning a 1st embodiment of the present invention, Drawing 2 (a) shows before attachment of an earth wire, and Drawing 2 (b) shows attachment of an earth wire. Shown later. It is a fragmentary perspective view of the state where the shield exterior material and grounding terminal member which constitute the wire harness concerning a 1st embodiment of the present invention were attached to the electric wire group. It is a fragmentary perspective view of the wire harness which concerns on the 1st Embodiment of this invention. It is a side view of the wire harness which concerns on the 1st Embodiment of this invention. It is a side view of the wire harness which concerns on the 2nd Embodiment of this invention.

  Hereinafter, a wire harness according to an embodiment of the present invention will be described with reference to the drawings.

(First embodiment)
As shown in FIGS. 1 to 5, the wire harness W according to the present embodiment includes an electric wire group 50, a shield exterior member 10, a ground terminal member 20, a ground wire 30, and an adhesive tape 40. .

  The electric wire group 50 is a set of a plurality of electric wires 51 covered with polyvinyl chloride. The plurality of electric wires 51 may be bundled with an adhesive tape or the like. The shield exterior material 10 is configured in a sheet shape so that at least one side surface portion has conductivity.

  The shield sheathing material 10 is formed in a rectangular sheet shape, and at least one side surface portion is conductive, and the rectangular short side is aligned with the circumferential direction of the electric wire group so that the one side surface portion having conductivity is exposed. It is the structure which can wrap the longitudinal direction predetermined range of an electric wire group in a laver winding shape (circumferential direction).

  Specific examples of the shield outer material 10 include a metal foil such as an aluminum foil, a braided wire formed in a sheet shape, or a metal film formed on one side surface of a resin film by vapor deposition or the like.

  The grounding terminal member 20 includes a holding portion 21 having a substantially C-shaped cross section extending in the circumferential direction of the electric wire group 50. The grounding terminal member 20 is in contact with the shield sheathing material 10 in a state where a predetermined range in the longitudinal direction of the electric wire group 50 is wrapped in the circumferential direction, and holds the shield sheathing material 10.

  The grounding terminal member 20 may be configured such that the holding portion 21 abuts against the shield sheathing material 10 in a state in which the wire group 50 is wrapped in the circumferential direction by elastic force, or by deforming the wire by plastic deformation. You may comprise so that the holding | maintenance part 21 may contact | abut the shield exterior material 10 of the state which wrapped the group 50 in the circumferential direction. Examples of the material of the ground terminal member 20 include phosphor bronze and stainless steel.

  The grounding terminal member 20 has a pair of fixing portions 22 that protrude from the holding portion 21 toward one side and the other side in the longitudinal direction of the electric wire group 50. In addition, the grounding terminal member 20 has two holes 23 that are lined up at predetermined positions of the holding portion 21 and penetrate in the member thickness direction.

  The ground wire 30 includes a conductive wire 31 and an insulating layer 32 that covers the conductive wire 31. One end portion of the ground wire 30 has a conductive wire exposed portion 31a from which a part of the insulating layer 32 is peeled off. The conductive wire exposed portion 31 a is inserted into the two holes 23 of the grounding terminal member 20 and entangled with the grounding terminal member 20. The other end of the ground wire 30 is grounded to a ground point via a terminal or a connector (not shown).

  The pressure-sensitive adhesive tape 40 is formed by applying a pressure-sensitive adhesive to one side surface of a belt-like base material made of polyvinyl chloride to form a pressure-sensitive adhesive layer. The adhesive tape 40 fixes the fixing portion 22 of the grounding terminal member 20 to the shield exterior material 10 in a state where the electric wire group 50 is wrapped in the circumferential direction.

  Further, the adhesive tape 40 fixes the fixing portion 22 located on the end side in the longitudinal direction of the shield sheathing material 10 in the ground terminal member 20 and the portion exposed from the shield sheathing material 10 in the wire group 50. It is supposed to be.

  When manufacturing the wire harness W according to the present embodiment, a shield sheathing material 10 having a planar shape capable of wrapping a predetermined range in the longitudinal direction of the electric wire group 50 to be shielded in the circumferential direction is prepared.

  Further, the conductor exposed portion 31 a exposed from one end portion of the ground wire 30 is inserted into the two holes 23 of the ground terminal member 20 and then entangled with the ground terminal member 20. The conductive wire exposed portion 31a is joined to the holding portion 21 by soldering as necessary so that the electrical connection between the ground wire 30 and the ground terminal member 20 is ensured.

  First, a predetermined range in the longitudinal direction of the electric wire group 50 to be shielded is wrapped in the circumferential direction by the shield exterior material 10. In the case where the shield sheathing material 10 is formed by forming a metal film on one side surface of the resin sheet, the shield sheathing material 10 causes a predetermined range in the longitudinal direction of the electric wire group 50 in the circumferential direction so that the conductive metal film is exposed. Wrap in. When the shield exterior material 10 is a metal foil such as an aluminum foil or a knitted strand formed in a sheet shape, either one side surface portion or the other side surface portion of the shield exterior material 10 may be exposed.

  Next, the electric wire group 50 and the shield outer packaging material 10 that encloses the electric wire group 50 are fitted into the holding portion 21 of the grounding terminal member 20 so that the holding portion 21 and the shield outer packaging material 10 are brought into contact with each other. 10 is held. When the holding portion 21 comes into contact with the shield sheathing material 10, the shield sheathing material 10 and the ground wire 30 are electrically connected via the grounding terminal member 20.

  The grounding terminal member 20 is preferably attached to both ends in the longitudinal direction of the shield sheathing material 10 that encloses the wire group 50, but in the middle in the longitudinal direction of the shield sheathing material 10 that encloses the wire group 50. You may make it provide only in one place of a part.

  Thereafter, the adhesive tape 40 is wound around the fixing portion 22 of the grounding terminal member 20 and the shield exterior material 10 that encloses the electric wire group 50. As a result, the fixing portion 22 of the grounding terminal member 20 and the shield exterior member 10 are fixed to each other by the adhesive tape 40.

  Further, the fixing member 22 positioned on the end side in the longitudinal direction of the shield sheathing material 10 enclosing the electric wire group 50 in the ground terminal member 20 and the shield enclosing the electric wire group 50 in the circumferential direction in the electric wire group 50. Adhesive tape 40 is wrapped around a portion exposed from exterior material 10. As a result, one fixing portion 22 of the grounding terminal member 20 and the wire group 50 are fixed to each other by the adhesive tape 40.

  Further, the other end of the ground wire 30 is grounded to a ground point via a terminal or a connector (not shown).

  In the wire harness W according to the present embodiment, the holding portion 21 of the grounding terminal member 20 holds the shield sheathing material 10 that wraps the predetermined range in the longitudinal direction of the wire group 50 in the circumferential direction. For this reason, the wire harness W which concerns on this Embodiment can perform the assembly | attachment operation | work of the shield cladding | exterior_material 10 with respect to the electric wire group 50 easily and easily.

  The wire harness W according to the present embodiment is suitable for assembling the shield sheathing material 10 to an existing electric wire group 50 that needs to be shielded or a specific portion of the electric wire group 50, and configures the electric wire group 50. Noise resistance can be imparted to each of the electric wires 51.

  Further, in the wire harness W according to the present embodiment, the holding portion 21 of the ground terminal member 20 electrically connects the one side surface portion of the shield exterior material 10 having conductivity and the ground wire 30. For this reason, in the wire harness W according to the present embodiment, the shield sheathing material 10 also serves as a drain wire. Therefore, the wire harness W according to the present embodiment can prevent the predetermined range in the longitudinal direction of the electric wire group 50 from being affected by electrostatic noise.

  In the wire harness W according to the present embodiment, the adhesive tape 40 fixes the fixing portion 22 of the ground terminal member 20 and the shield exterior material 10 to each other. For this reason, in the wire harness W according to the present embodiment, the grounding terminal member 20 does not shift with respect to the shield sheathing material 10 that wraps the predetermined range in the longitudinal direction of the wire group 50 in the circumferential direction.

  In the wire harness W according to the present embodiment, the adhesive tape 40 fixes the one fixing portion 22 of the ground terminal member 20 and the wire group 50 to each other. For this reason, in the wire harness W according to the present embodiment, the shield sheathing material 10 that wraps the predetermined range in the longitudinal direction of the wire group 50 in the circumferential direction with respect to the wire group 50 does not shift.

(Second Embodiment)
As shown in FIG. 6, the wire harness W ′ according to the present embodiment is configured to include an electric wire group 50, a shield exterior member 10, a ground terminal member 20, a ground wire 30, and an adhesive tape 40. This is the same as the configuration of the first embodiment, and differs from the configuration of the first embodiment in that terminal members 51 are connected to both ends of the wire group 50.

  The shield sheathing 10 wraps the wire group 50 up to the terminal members 51 connected to both ends of the wire group 50.

  With this configuration, the electric wire group 50 having the terminal members 51 connected to both ends can be prevented from being affected by electrostatic noise over the entire length.

  As described above, in the wire harness according to the present invention, the grounding terminal member holds the shield exterior material that wraps the predetermined range in the longitudinal direction of the electric wire group in the circumferential direction. Therefore, the wire harness which concerns on this invention has an effect that the assembly | attachment operation | work of the shield cladding | exterior_material with respect to an electric wire group can be performed easily and easily.

  Since the wire harness which concerns on this invention can perform the assembly | attachment operation | work of the shield exterior material with respect to an electric wire group easily and easily, it can be utilized for a vehicle, various apparatuses, mechanical installations, etc.

DESCRIPTION OF SYMBOLS 10 Shield exterior material 20 Grounding terminal member 21 Holding part 22 Fixing part 30 Ground wire 40 Adhesive tape 50 Electric wire group 51 Terminal member

Claims (4)

A group of wires;
It is formed in a rectangular shape so that at least one side surface portion is conductive, the rectangular short side is aligned with the circumferential direction of the wire group, and a predetermined range in the longitudinal direction of the wire group is exposed so as to expose a side surface portion. A sheet-shaped shield sheathing material wrapped in
A grounding terminal member having a C-shaped holding portion that extends in the circumferential direction of the wire group and abuts on the shield sheathing material in a state of wrapping the wire group in the circumferential direction and holds the shield sheathing material; ,
A wire harness comprising: an earth wire having one end connected to the grounding terminal member and the other end grounded to an earth point.   The wire harness according to claim 1, wherein the grounding terminal member is fixed to the shield exterior member in a state in which the electric wire group is wrapped in a circumferential direction by an adhesive tape. The grounding terminal member has a fixing portion protruding in the longitudinal direction of the wire group,
The wire harness according to claim 1, wherein the fixing portion is fixed to the shield exterior material in a state in which the electric wire group is wrapped in the circumferential direction by the adhesive tape.   The wire harness according to any one of claims 1 to 3, wherein the shield sheathing material wraps the wire group up to the terminal members connected to both ends of the wire group.

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