JP2011222259A - Wiring harness and method for manufacturing off-set of wiring harness - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wiring harness that can be wired to a target to which the wiring harness is wired without lift of a portion of an off-set, and a method for forming a wiring harness, the method enabling easy forming of an off-set portion of the wiring harness.SOLUTION: A wiring harness 11 comprises a flat cable 14 in which a plurality of cables 13 are integrated in a planar shape. In a plane in which the cables 13 are arrayed, the wire harness 11 is bent into one direction and has an offset portion 21 bent into another direction, so that the directions in which the cables extend are offset in the width direction of the wiring harness 11.

Description

  The present invention relates to a wire harness used in an automobile or the like and a method for forming an offset of the wire harness.

  For example, as a wiring harness for electric wiring routed in a center console of an automobile, there is one made of a flat cable in which a plurality of cables are arranged in a plane.

  By the way, the wire harness may not be able to make the routing route straight due to the shape of the routed side such as the center console or the parts attached to the routed side. In such a case, a part of the wire harness is folded back to offset the routing route (for example, see Patent Documents 1 to 3).

JP-A-5-62543 Japanese Patent Laid-Open No. 8-315641 Japanese Patent Laid-Open No. 2003-112584

  As described above, when the flat cable is folded back, the wire harness in which the routing path is offset becomes thick at the folded portion, and the folded portion is lifted by the restoring force of the flat cable. Therefore, when this wire harness is routed, the wire harness may drop off due to a decrease in adhesion to the routed side in the folded portion (offset portion).

  Further, in order to form a wire harness in which the flat cable is folded and the routing route is offset, the flat cable to be offset has to be largely swung around the folded portion, and thus a large work space is required. Moreover, since the flat cable on the folded side is greatly swung around at the time of folding, it is necessary to keep it in a state of being removed from the casing and the routing jig. In other words, the routing direction cannot be offset while routing to the routing side, and a separate process for offsetting the routing direction is required separately.

  This invention is made | formed in view of the situation mentioned above, The objective is to form easily the offset part of the wire harness which can be routed to the to-be-routed side, without raising at an offset part, and a wire harness An object of the present invention is to provide a method for forming an offset of a wire harness.

In order to achieve the above-described object, the wire harness according to the present invention is characterized by the following (1) or (2).
(1) A wire harness composed of a flat cable in which a plurality of cables are integrated into a flat shape,
In the arrangement plane of the cable, the cable has an offset portion that is curved in one direction and is curved in the other direction, and the extending direction is shifted in the width direction.
(2) In the wire harness configured as described in (1) above,
A plurality of divided cables are divided in the width direction, and the offset portion is provided in at least one of the divided cables.

In the wire harness having the above configuration (1), since it is bent in one direction at the offset portion and is further bent in the other direction, the extending direction is shifted in the width direction. Even when a straight wiring route cannot be secured due to the parts that have been removed, it is possible to route while avoiding obstacles.
Further, it is possible to prevent the offset portion from being lifted as compared with the case where the flat cable is folded back and offset in the width direction. That is, good adhesion of the wire harness to the to-be-routed side can be ensured, and therefore wiring can be performed without dropping due to a decrease in the adhesion to the to-be-routed side.
In the wire harness having the configuration (2) described above, since it cannot be linearly routed by an obstacle, it can be routed while avoiding only portions where offset is necessary.

In order to achieve the above-described object, the wire harness offset forming method according to the present invention is characterized by the following (3) or (4).
(3) a separation step of separating a flat cable obtained by integrating a plurality of cables into a flat shape for each cable in a predetermined range in the longitudinal direction;
An offset step of offsetting the flat cables separated for each of the cables within the predetermined range by curving them twice in opposite directions within the cable arrangement plane while compressing them in the axial direction.
(4) In the wire harness offset forming method configured as described in (3) above,
Including a dividing step of dividing the flat cable into a plurality of divided cables previously divided in the width direction;
Performing the separation step and the offset step on at least one of the split cables.

In the wire harness offset forming method of (3) above, the flat cable is separated for each cable in a predetermined range in the longitudinal direction, and the flat cable separated for each cable is compressed in the axial direction while being compressed in the axial direction. The wire harness in which the extending direction is shifted in the width direction can be very easily obtained by bending twice in opposite directions.
Therefore, unlike the case of folding and offsetting, it is not necessary to swing the flat cable largely around the folded part, so that it can be easily offset in a narrow space. Thereby, a routing direction can be offset while routing to the side to be routed, and routing workability can be greatly improved.
In the wire harness offset forming method of (4) above, a wire harness in which only necessary portions are offset can be easily formed because it cannot be linearly routed by an obstacle.

  ADVANTAGE OF THE INVENTION According to this invention, the offset formation method of the wire harness which can form easily the wire harness which can be routed to the to-be-routed side without raising in an offset part, and the wire harness offset part can be provided.

  The present invention has been briefly described above. Further, details of the present invention will be further clarified by reading through the modes for carrying out the invention described below with reference to the accompanying drawings.

It is a perspective view of the center console by which the wire harness was routed. It is a top view in the offset part of the wire harness which concerns on embodiment of this invention. It is a one part perspective view of the wiring location explaining the method of wiring of the wire harness to a center console. It is a top view in the offset part of the wire harness which concerns on embodiment of this invention. It is a figure explaining the offset formation method of the wire harness which concerns on embodiment of this invention, Comprising: (a)-(c) is a top view in the offset part of a wire harness, respectively. It is a figure explaining the offset formation method of the wire harness which concerns on a reference example, Comprising: (a)-(d) is a top view in the offset part of a wire harness, respectively. It is a perspective view in the offset part of the wire harness which concerns on a reference example.

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

  FIG. 1 is a perspective view of a center console in which a wire harness is routed, FIG. 2 is a plan view of an offset portion of the wire harness according to the embodiment of the present invention, and FIG. 3 is a diagram illustrating how the wire harness is routed to the center console. FIG. 4 is a plan view of the offset portion of the wire harness according to the embodiment of the present invention.

  As shown in FIG. 1, the wire harness 11 is routed to a routing location A on a routing surface 12 a of a center console (routed side) 12 assembled in a vehicle such as an automobile, for example.

  As shown in FIG. 2, the wire harness 11 includes a flat cable 14 in which a plurality of cables 13 are arranged in a plane and integrated by a jacket.

  The wire harness 11 has an offset portion 21 that is partially curved. In the offset portion 21, a part of the wire harness 11 in the width direction (about half in FIG. 2) is an offset cable (divided cable) 22, and this offset cable 22 is connected to the other portion of the straight cable (divided cable) 23 side ( Curved in one direction), further curved in the extending direction of the straight cable 23 (in the other direction), and along the straight cable 23.

  Here, in the offset cable 22 of the wire harness 11, the cables 13 are not bent back at the offset portion 21, but are bent twice in opposite directions within the arrangement plane of the cables 13. Therefore, the thickness of the offset portion 21 is suppressed to a thickness such that two flat cables 14 are stacked.

  In the wire harness 11 having the offset portion 21, even if a straight wiring route cannot be secured due to the shape of the center console 12, parts attached to the center console 12, or the like, a straight line avoiding obstacles. Can be routed.

  The wire harness 11 is fixed to the routing location A in the center console 12 with an adhesive tape or a hot melt type adhesive.

  At this time, the offset portion 21 has a thickness of about two flat cables 14 laminated and does not turn back, so that the offset portion 21 can be fixed without being lifted from the installation location A of the center console 12. That is, good adhesion of the wire harness 11 to the center console 12 can be ensured, and therefore, the wire harness 11 can be placed in the routing location A of the center console 12 without falling off due to a decrease in adhesion to the center console 12. Can be positioned and routed easily.

  Here, what is shown in FIG. 3 has shown the example of a wiring in the wiring location which cannot be wired linearly by the shape of the center console 12, etc. FIG. In such a wiring location, as shown in FIG. 4, the wire harness 11 previously offset by the offset part 21 is used. Then, the wire harness 11 is routed while being attached to the routing surface of the center console 12 with an adhesive tape or an adhesive.

  If it does in this way, it can be made to stick to the arrangement side of center console 12 which is the to-be-routed side, and it can be routed without falling down. In other words, it is possible to eliminate three-dimensional routing that requires consideration of the routing length including routing dimension errors, and aerial routing that may cause damage or abnormal noise due to vibration during vehicle travel. . In particular, since there is no aerial routing portion, it is possible to eliminate such a problem that other parts are caught by the aerial routing portion when the vehicle is assembled and the assembly work is hindered.

  Next, a method for forming the offset portion 21 in the wire harness 11 will be described.

  First, as shown in FIG. 5A, the wire harness 11 is cut in the longitudinal direction to be divided into an offset cable 22 and a straight cable 23 to be offset (a dividing step).

  Moreover, in the offset section which forms the offset part 21 of the offset cable 22, by forming slits between the integrated cables 13, the cables 13 are separated and are made into a single wire (separation process).

  In addition, when the cables 13 are connected by a bridge made of a resin that forms a jacket, it is preferable to punch the bridge to make the cable 13 a single wire.

  Next, as shown in FIG. 5B, the offset cable 22 is bent in the axial direction so as to be horizontally moved twice in opposite directions in the arrangement plane of the cables 13 so as to be compressed in the axial direction.

  And as shown in FIG.5 (c), the offset cable 22 is made to follow the straight cable 23 (offset process).

  When the offset cable 22 is offset in this way, the offset cable 22 in the offset portion 21 is fixed with an adhesive tape or an adhesive material.

  According to the offset forming method of the wire harness described above, the flat cable 14 is separated into the cable 13 in a predetermined range in the longitudinal direction, and the flat cable 14 separated into the cable 13 is arranged in the axial direction while being compressed in the axial direction. By bending twice in opposite directions in the plane, the wire harness 11 in which the extending direction is shifted in the width direction can be obtained very easily.

  Therefore, unlike the case of folding and offsetting, it is not necessary to swing the flat cable 14 around the folded part, and therefore it can be easily offset in a narrow space. Thereby, the routing direction can be offset simultaneously while routing to the center console 12. That is, a separate process only for offsetting can be eliminated, and routing workability can be greatly improved.

  Here, in order to explain the further superiority of the present invention, reference examples are shown in FIGS.

  FIG. 6 is a diagram illustrating a method for forming an offset of a wire harness, and FIG. 7 is a perspective view of the offset wire harness.

  In this reference example, the offset portion is formed in the wire harness by folding the wire harness.

  Specifically, as shown in FIG. 6A, first, the wire harness 11 is cut in the longitudinal direction to be divided into an offset cable 22 and a straight cable 23 to be offset. Next, as shown in FIG. 6B, the offset cable 22 is folded back to the straight cable 23 side. Further, as shown in FIG. 6C, the folded offset cable 22 is further folded. Then, as shown in FIG. 6 (d), the offset cable 22 that is folded back twice is placed along the straight cable 23.

  In the case where the offset portion 21 is formed in this way, the offset cable 22 must be largely swung around the folded portion, and a large space is required. In addition, in order to fold back the offset cable 22 on the folded side, it is necessary to leave the offset cable 22 on the folded side removed from the center console 12 and the routing jig. That is, the routing direction cannot be offset while being routed to the center console 12, and a separate process for offsetting the routing direction is required.

  And the offset part 21 formed in this way becomes thick in the offset part 21, as shown in FIG.

  Moreover, even if it fixes to a routing location, when the return | turned offset cable 22 restore | restores, it will float up from a routing location and there exists a possibility that it may fall out from the routing location A. FIG.

  In the above embodiment, the flat cable 14 is divided in the width direction and one offset cable 22 is offset. However, the entire flat cable 14 may be offset.

  In addition, this invention is not limited to embodiment mentioned above, A deformation | transformation, improvement, etc. are possible suitably. In addition, the material, shape, dimensions, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.

11 Wire harness 13 Cable 14 Flat cable 21 Offset section 22 Offset cable (divided cable)
23 Straight cable (split cable)

Claims (4)

A wire harness composed of a flat cable in which a plurality of cables are integrated into a flat shape,
A wire harness having an offset portion that is bent in one direction and further bent in the other direction in the arrangement plane of the cables, and the extending direction is shifted in the width direction.   The wire harness according to claim 1, wherein the wire harness is divided into a plurality of divided cables in the width direction, and the offset portion is provided in at least one of the divided cables. A separation step of separating a flat cable obtained by integrating a plurality of cables into a flat shape for each cable in a predetermined range in the longitudinal direction;
An offset step of offsetting the flat cables separated for each of the cables in the predetermined range by bending them twice in opposite directions within the cable arrangement plane while compressing them in the axial direction. A method for forming an offset of a wire harness. Including a dividing step of dividing the flat cable into a plurality of divided cables previously divided in the width direction;
4. The wire harness offset forming method according to claim 3, wherein the separation step and the offset step are performed on at least one of the divided cables.

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