JP2014090552A - Wiring harness - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wiring harness whose manufacturing work is easy and which is improved in dimensional accuracy.SOLUTION: A protector 4 specifies at least one of a bent shape or a branch shape of a plurality of electric wires 2. A binding band 10 has a tip 11a mounted on the protector 4 and is mounted on the electric wires 2. In the protector 4, an engaging part 13 is formed which is engaged with the tip 11a. The electric wires 2 and the protector 4 are positioned by making the tip 11a of the binding band 10 mounted on the electric wires engaged with the engaging part 13.

Description

  The present invention relates to a configuration of a wire harness.

  The wire harness is formed by bundling a plurality of electric wires into a predetermined shape. The wire harness is routed, for example, in the body of an automobile, and is used for power supply to various electric devices included in the automobile, communication of control signals between the electric devices, and the like. In recent automobiles, since various electric devices are mounted on each part of the vehicle body, the automobile wire harness has a complicated bent shape and branched shape.

  A manufacturing method of such a wire harness is described in Patent Document 1, for example. Conventionally, in a method for manufacturing a wire harness, a work table called an ASSY board (in the case of Patent Document 1, an assembly drawing board) is used. A jig (holding tool) for holding the electric wire is appropriately provided on the work table.

  In this type of manufacturing method, an operator first arranges a plurality of electric wires on a work table so as to have a predetermined bent shape and a branched shape. Subsequently, the worker winds the tape around a predetermined portion of the electric wire on the work table. By winding the tape in this way, the bent shape and the branched shape of the electric wire are fixed, and a wire harness having a predetermined shape is obtained.

JP-A-8-249952

  In such a conventional manufacturing method, an operator must move around the work table in order to wrap the tape around each part of the electric wire. Since the electric wire on the workbench is bent and wired in various directions, the operator must perform the work of winding the tape in a different posture every time, and the proficiency level of the work is difficult to improve. In addition, depending on the direction of the electric wire, it may be difficult to wind the tape. Further, the work itself of winding the tape is complicated and the work time is long. Thus, the conventional manufacturing method has a problem that work efficiency is low and productivity is low.

  In addition, as described above, the conventional manufacturing method has a problem that the proficiency level of the work is difficult to improve, so that the quality tends to become unstable. In particular, since the dimensions of each part of the wire harness vary depending on the winding of the tape, it is necessary to inspect the dimensions of each part of the manufactured wire harness, increasing the number of inspection processes.

  The present invention has been made in view of the above circumstances, and an object thereof is to provide a wire harness that is easy to manufacture and has improved dimensional accuracy.

Means and effects for solving the problems

  The problems to be solved by the present invention are as described above. Next, means for solving the problems and the effects thereof will be described.

  According to an aspect of the present invention, the following wire harness is provided. That is, this wire harness includes a plurality of electric wires, a protector, and a fixing member. The protector defines at least one of a bent shape or a branched shape of the plurality of electric wires. The fixing member has a protector attachment portion attached to the protector and is attached to the electric wire. The protector is formed with an engaging portion that engages with the protector mounting portion. The electric wire and the protector are positioned by engaging the protector attaching portion of the fixing member attached to the electric wire with the engaging portion.

  Thus, by defining the bent shape or the branched shape of the electric wire with the protector, the dimensional accuracy can be improved as compared with the conventional wire harness in which the shape of the electric wire is fixed with the tape. Moreover, since the operation | work which winds a tape around an electric wire becomes unnecessary, the time concerning manufacture of a wire harness can be shortened. The operation of attaching the protector to the electric wire can be easily performed only by engaging the fixing member with the protector.

  The wire harness is preferably configured as follows. That is, the fixing member includes a band portion that goes around the outer circumferences of the plurality of electric wires. A fixing member is attached to the electric wire by bundling the plurality of electric wires with the band portion.

  Since the work of bundling the electric wires by the band part is easier than the work of winding the tape around the electric wires, the operation time can be shortened. Moreover, since a fixing member is attached to an electric wire by bundling an electric wire with a band part, there is no fear that adhesive force falls and a fixing force deteriorates like a tape, for example. Thereby, durability of a wire harness can also be improved.

  In the above-described wire harness, it is preferable that the protector mounting portion is provided only on one side as viewed from the electric wire when viewed in the longitudinal direction of the electric wire.

  Thereby, when a force is applied to the electric wire, the fixing member is inclined obliquely with respect to the electric wire. As a result, since the fixing member bites into the outer periphery of the electric wire, the fixing force between the fixing member and the electric wire can be increased.

  Said wire harness WHEREIN: It is preferable that the said protector is formed in the cross-sectional substantially U shape in the plane orthogonal to the longitudinal direction of the said electric wire.

  Thereby, an electric wire can be accommodated in the inside of a protector.

  The wire harness is preferably configured as follows. That is, the engaging portion is formed on the U-shaped bottom surface of the protector. In the protector, a cutout is formed in at least one of the U-shaped side walls in the vicinity of the engaging portion.

  This makes it difficult for the operator's finger to interfere with the protector around the engaging portion. Therefore, the workability of the work of engaging the fixing member with the engaging portion of the protector is improved.

  The wire harness preferably includes a plurality of protectors and a corrugated pipe that is disposed between the plurality of protectors and accommodates the electric wires.

  Thereby, the electric wire of the part between protectors can be protected by a corrugated pipe. Moreover, if the whole electric wire is covered with one protector, the wire harness loses flexibility. As described above, by configuring the wire harness with a plurality of protectors, the portion between the protectors (corrugated tube portion) can be made flexible, so that the wire harness can be assembled to a vehicle or the like. improves.

  Said wire harness WHEREIN: It is preferable that the said protector has a corrugated pipe engaging part engaged with the unevenness | corrugation of the outer periphery of the said corrugated pipe.

  By engaging the corrugated tube with the corrugated tube engaging portion, the corrugated tube can be fixed so as not to move relative to the protector.

  In the above-described wire harness, it is preferable that the protector mounting portion and the engaging portion are formed so that they cannot be engaged when the arrangement of both is abnormal.

  Thereby, even if it is going to attach a fixing member to the wrong attachment position, since it is not attached, an assembly mistake can be prevented.

The typical top view showing an example of the wire harness manufactured with the manufacturing method concerning one embodiment of the present invention. The top view which shows the inside of a protector. FIG. 3 is a cross-sectional view taken along the line AA in FIG. 2. The top view of a protector. Sectional drawing which shows a mode that a binding band is attached with respect to a protector. The perspective view which shows a mode that a binding band is attached with respect to a protector. The top view which shows the attachment structure of the corrugated pipe with respect to a protector. Sectional drawing which shows the attachment structure of the electric wire with respect to a protector in the conventional wire harness. Sectional drawing which shows the attachment structure of the electric wire with respect to a protector in this embodiment. The figure explaining deformation | transformation of a binding band when the force which pulls an electric wire is added. The schematic diagram of the work table used for the manufacturing operation of a wire harness. Sectional drawing which shows the case where a binding band cannot be attached with respect to a protector. Sectional drawing which shows a mode that the electric wire was bundled by the binding band of 2 body shaping | molding. The perspective view which shows a 1st modification. The perspective view which shows the 2nd modification. The perspective view which shows the 3rd modification. The perspective view which shows the 4th modification. The perspective view which shows the 5th modification. The perspective view which shows the 6th modification. The perspective view which shows the 7th modification. The perspective view which shows another modification.

  Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a schematic plan view showing an example of the wire harness 1 of the present embodiment. The wire harness 1 of this embodiment is a wire harness for automobiles, and is wired in the vehicle body of the automobile. The wire harness 1 is used for power supply to various electric devices included in the automobile, communication between the electric devices, and the like.

  This wire harness 1 is a bundle of a plurality of electric wires 2. A connector 3 connected to various electric devices is disposed at the end of each electric wire 2. Each electric wire 2 is routed so as to have a predetermined bent shape, and the wire harness 1 as a whole has a complicated branch structure (branch shape).

  A protector 4 is disposed in each part of the wire harness 1. An example of the structure of the protector 4 is shown in FIGS.

  As shown in FIG. 2, the protector 4 is configured to accommodate a plurality of electric wires 2 therein. Specifically, as shown in FIG. 3, the protector 4 is formed so that the cross-sectional shape is substantially U-shaped in a cross section orthogonal to the longitudinal direction of the electric wire 2 accommodated in the protector 4. Yes. That is, the protector 4 has a bottom surface and a pair of side walls provided extending in a direction substantially orthogonal to the bottom surface in the cross section. The protector 4 can accommodate a plurality of electric wires 2 inside the U-shape.

  As shown in FIG. 3, the protector 4 has a lid portion 19 that closes the open side end of the U-shape. Thereby, it can prevent that the electric wire 2 accommodated in the inside of the protector 4 sticks outside from the open | release side edge part of the said U shape. However, the lid 19 is not an essential component of the protector 4 and may be omitted. In the following description and drawings, the description about the lid portion 19 may be omitted.

  By the way, in the conventional wire harness, the bending shape and branch shape of the said electric wire were fixed by winding tape around the electric wire, and it was set as the wire harness of a predetermined shape. On the other hand, the wire harness 1 of this embodiment fixes the bent shape and the branched shape of the electric wire 2 by accommodating the electric wire 2 inside the protector 4.

  For example, the protector 4 illustrated in FIGS. 2 and 4 has three wire outlets 5. As shown in FIG. 2, the plurality of electric wires 2 accommodated in the protector 4 are branched into two inside the protector 4, and are drawn out from the separate electric wire outlets 5 to the outside of the protector 4. . One of the branched electric wire groups (first electric wire group 6) is bent by about 90 degrees in the protector 4 and pulled out from the protector 4. On the other hand, the other electric wire group (second electric wire group 7) passes through the protector 4 in a substantially straight line and is drawn out of the protector 4.

  Thus, the protector 4 of this embodiment has a function which prescribes | regulates the bending shape and branch shape of the electric wire 2. FIG. That is, by accommodating the electric wire 2 in the protector 4, the wire harness 1 having a predetermined bent shape and a predetermined branch shape can be formed. The shape of the protector 4 is not limited to that shown in FIGS. As shown in FIG. 1, protectors 4 having various shapes can be used according to the bent shape and the branched shape of each part of the wire harness 1. The material of the protector 4 is not particularly limited, but a material that has a certain degree of rigidity, is lightweight, and can be easily molded is preferable. Note that the protector 4 of the present embodiment is made of plastic.

  As shown in FIGS. 2 and 3, a plurality of electric wires 2 housed inside the protector 4 are attached with a binding band (fixing member) 10 that bundles the electric wires 2. The binding band 10 has a known configuration including a band part (binding part) 11 and a buckle part 12. Further, the binding band 10 shown in FIG. 3 is a type in which a band portion 11 and a buckle portion 12 are integrally formed. As shown in FIG. 3, the plurality of electric wires 2 can be bundled by causing the band portion 11 to circulate around the plurality of electric wires 2 and inserting the leading end portion 11 a of the band portion 11 into the buckle portion 12. A lock mechanism (not shown) is provided in the buckle portion 12 so that the tightening of the electric wire 2 by the band portion 11 is not loosened.

  As shown in FIGS. 4 to 6, an engagement portion 13 that can engage the binding band 10 is formed at an appropriate position of the protector 4. Specifically, the engaging portion 13 is configured as a hole into which the band portion 11 of the binding band 10 can be inserted, and a lock claw 14 that engages with the band portion 11 is provided inside the hole. ing. In addition, the engaging part 13 of this embodiment is formed in the bottom face of the protector 4 with a U-shaped cross section.

  As shown in FIG. 5, a band part 11 in which a plurality of electric wires 2 are bundled is inserted into a buckle part 12, and a tip part 11 a of the band part 11 protrudes from the buckle part. In this state, as shown in FIGS. 5 and 6, the tip end portion 11a of the band portion 11 is inserted into the engaging portion 13, and the lock claw 14 is engaged with the tip end portion 11a (state shown in FIG. 3). Thereby, since the binding band 10 can be fixed to the protector 4, the electric wire 2 bundled with the binding band 10 and the protector 4 can be positioned. In addition, since the said binding band 10 is attached to the protector 4 by engaging the front-end | tip part 11a of the band part 11 with the engaging part 13, it can be said that the front-end | tip part 11a of the band part 11 is a protector attachment part. it can.

  The engaging part 13 of this embodiment is comprised as a through-hole which penetrates the bottom face of the protector 4, as shown in FIG.3 and FIG.5. For this reason, the front-end | tip part 11a (protector attachment part) of the band part 11 inserted in the said engaging part 13 penetrates the bottom face of the protector 4, and protrudes outside. Therefore, the protector 4 of the present embodiment includes a protective wall 16 provided so as to surround the edge of the through-hole-shaped engaging portion 13. The protective wall 16 is formed in a rib shape protruding toward the side opposite to the side where the electric wire 2 is accommodated. The protection wall 16 can protect the tip portion 11a (protector mounting portion) of the band portion 11 inserted into the engagement portion 13 from coming into contact with other members, so that force is applied to the tip portion 11a to engage the tip portion 11a. It can prevent coming off from the part 13.

  Even in the conventional wire harness, the protector 104 may be used as an exterior part of the electric wire 2. In this conventional wire harness, as shown in FIG. 8, the tape 101 is wound around the electric wire 2 and the protector 104, and both are fixed.

  In the case of this conventional fixing method, as shown in FIG. 8, in the cross section orthogonal to the longitudinal direction of the electric wire 2, the electric wire 2 and the tape 101 contact at an angle α. When the diameter of the electric wire 2 is large as shown in FIG. 8A, the electric wire 2 and the tape 101 can be contacted with a sufficiently large contact angle α, so that the electric wire 2 can be fixed to the protector 104 with a sufficient fixing force. However, when the outer shape of the electric wire 2 is thin as shown in FIG. 8B, the contact angle α between the tape 101 and the electric wire 2 is reduced, resulting in insufficient adhesion of the electric wire 2 to the protector 104. Thus, in the conventional wire harness which fixes the protector 104 and the electric wire 2 with the tape 101, there existed a problem that the adhering force was unstable with the diameter of the electric wire 2. FIG.

  On the other hand, in this embodiment, since it was set as the structure which wraps the binding band 10 around the electric wire 2, the said binding band 10 contacts the outer periphery of the electric wire 2 in a substantially all periphery. Therefore, even when the diameter of the electric wire 2 is large as shown in FIG. 9A or when the electric wire is thin as shown in FIG. Can be attached in a wide area. Therefore, according to the configuration of the present embodiment, the fixing force of the electric wire 2 to the protector 4 can be stabilized regardless of the diameter of the electric wire 2.

  Further, as shown in FIG. 10A, when the binding band 10 is viewed in the longitudinal direction of the electric wire 2, the protector mounting portion (the end portion 11 a of the band portion 11) is provided on one side when viewed from the electric wire 2. ing. That is, when viewed in the longitudinal direction of the electric wire 2, two or more protector mounting portions are not arranged with the electric wire 2 interposed therebetween. The binding band 10 has a certain degree of flexibility. For this reason, when the force pulling the electric wire 2 in the longitudinal direction is applied to the wire harness 1, the binding band 10 is pulled by the electric wire 2. As a result, as shown in FIG. 10B, the band portion 11 is inclined with respect to the longitudinal direction of the electric wire 2, and the band portion 11 bites into the outer periphery of the electric wire 2. The fixing force increases. Thereby, even if it is a case where the force which pulls the electric wire 2 is added to the wire harness 1, the position of the electric wire 2 becomes difficult to shift | deviate with respect to the protector 4. FIG.

  As described above, according to the configuration of the present embodiment, the electric wire 2 can be reliably fixed to the protector 4 as compared with the conventional configuration in which the protector and the electric wire are fixed with a tape.

  As shown in FIG. 1, in the wire harness 1 of the present embodiment, a corrugated tube 8 is appropriately disposed between the protectors 4. The electric wire 2 between the protectors 4 can be protected by disposing the corrugated tube 8 between the protectors 4. Further, in the portion of the corrugated pipe 8, the wire harness 1 can be flexibly deformed at any time, so that the wire harness 1 can be easily assembled to the vehicle body of the automobile.

  The protector 4 in which the corrugated pipe 8 is disposed is provided with a corrugated pipe engaging portion 15 as shown in FIG. The corrugated pipe engaging portion 15 is formed in a rib shape so as to protrude toward the inside of the protector 4 and engages with a concave portion on the outer periphery of the corrugated pipe 8 as shown in FIG. Accordingly, the corrugated tube 8 can be fixed so as not to move relative to the protector 4. Further, for example, as shown in FIG. 7B, by arranging the corrugated pipe 8 between the two protectors 4, the right protector 4 and the left protector 4 do not move relative to the corrugated pipe 8, respectively. Can be fixed. Therefore, the distance between the left and right protectors 4 in FIG. 7B can be kept constant.

  Then, the manufacturing method of the wire harness 1 of this embodiment is demonstrated easily.

  FIG. 11 is a schematic diagram of a work table (ASSY board) 20 used in the manufacturing method of the present embodiment. FIG. 11 shows a state where the electric wire 2 is wired on the work table 20. As shown in FIG. 11, the work table 20 of the present embodiment includes a plurality of connector holding jigs 21 and a plurality of binding position instruction jigs 22.

  Each connector holding jig 21 is configured to hold the connector 3 arranged at the end of the electric wire 2. The binding position instruction jig 22 is provided corresponding to each connector holding jig 21. The binding position instruction jig 22 is provided so as to indicate to the operator the position where the binding band 10 is attached to the electric wire 2. As shown in FIG. 11, the operator arranges the binding band 10 along the binding position instruction jig 22 and binds the electric wires 2 by the binding band 10. Thereby, the operator can attach the binding band 10 to the predetermined position of the electric wire 2.

  Each binding position indicating jig 22 is arranged such that the distance from the corresponding connector 3 has a predetermined dimension. Thereby, the binding band 10 can be attached to the electric wire 2 from the connector 3 at a predetermined position. For example, in the example on the left side of FIG. Similarly, the binding band 10 can be attached to the position at a distance of L2 from the connector 3 in the center example of FIG. 11 and the position of the distance from the connector 3 to L3 in the right example.

  In addition, since the binding band 10 of this embodiment is a type in which the band part 11 and the buckle part 12 are integrally formed, there are two attachment directions of the binding band 10 depending on the direction in which the band part 11 is wound around the electric wire 2. is there. As shown in FIG. 11, the binding position instruction jig 22 of the present embodiment has a shape that indicates the direction in which the binding band 10 is attached. Thereby, the operator can attach the binding band 10 to the electric wire 2 in the correct attachment direction.

  Then, the actual flow of the manufacturing method of the wire harness 1 in this embodiment is demonstrated.

  First, the worker attaches the predetermined connector 3 to each connector holding jig 21 of the work table 20 and also attaches the electric wire 2 to the electric wire 2 at the position indicated by the binding position indicating jig 22 and the attaching direction. Then, the binding band 10 is attached (binding process).

  Subsequently, the operator removes the electric wire 2 (and the connector 3 to which the binding band 10 is attached) to which the binding band 10 is attached from the work table 20, and the band portion 11 of the binding band 10 is engaged with the engagement portion of the predetermined protector 4. 13 is engaged. Thereby, the binding band 10 is fixed with respect to the protector 4 (protector attachment process). In addition, the operator arranges the corrugated pipe 8 on the electric wire 2 as necessary, and engages the corrugated pipe 8 with the corrugated pipe engaging portion 15 of the protector 4.

  As shown in FIGS. 3 and 12, the engagement portion 13 of the present embodiment is provided with two patterns having different directions formed on the protector 4. The engaging portion 13 of each protector 4 is formed in a prescribed direction. On the other hand, as described above, there are two attachment directions of the binding band 10 depending on the direction in which the band portion 11 is wound around the electric wire 2. Therefore, depending on the combination of the direction in which the engaging portion 13 is formed and the direction in which the binding band 10 is attached, the binding band 10 and the engaging portion 13 have a correct positional relationship and an abnormal (incorrect) positional relationship. There are cases.

  As shown in FIG. 3, when the engaging portion 13 and the binding band 10 are in the correct positional relationship, both can be normally engaged. In this case, since the electric wire can be completely accommodated in the protector 4, the lid portion 19 can be closed. On the other hand, as shown in FIG. 12, when the engaging portion 13 and the binding band 10 are in the opposite direction (abnormal positional relationship), the distal end portion 11 a of the band portion 11 cannot be inserted into the engaging portion 13. . Further, even if the distal end portion 11a is forcedly inserted into the engaging portion 13, the electric wire 2 cannot be completely accommodated in the protector 4, and the lid portion 19 cannot be closed.

  Thus, in this embodiment, when the binding band 10 is in an abnormal positional relationship with respect to the protector 4, both cannot be engaged, and as a result, the electric wire 2 cannot be accommodated in the protector 4. It is configured. Thereby, when an operator assembles the wire harness 1, the mistake that the binding band 10 is engaged with the wrong protector 4 can be prevented.

  As described above, the wire harness 1 having a predetermined shape can be manufactured by attaching the electric wire 2 to the protector 4.

  Next, a difference between the manufacturing method of the present embodiment and the conventional manufacturing method will be briefly described.

  In the conventional manufacturing method, a wire having a predetermined bent shape and a branched shape is obtained by laying an electric wire on a work table so as to have a predetermined bent shape and a branched shape, and winding a tape around the electric wire. He was manufacturing a harness. For this reason, the work table has become larger and it has been difficult to perform the work of winding the tape.

  In this regard, in the manufacturing method of the present embodiment, the bent shape and the branched shape of the electric wire 2 are fixed by attaching the protector 4 after removing the electric wire 2 from the work table 20. That is, the work table 20 of the present embodiment is only required to perform the work of attaching the binding band 10 to the electric wire 2 and does not need a function of arranging the electric wire 2 in a predetermined bent shape and a branched shape. Thus, in this embodiment, since there are few functions requested | required of the worktable 20, the said worktable 20 can be reduced in size.

  Moreover, since the operation | work which binds the electric wire 2 with the binding band 10 is simple compared with the operation | work which winds a tape around an electric wire, the attachment position of the binding band 10 does not vary easily, and work time is also short. In particular, in this embodiment, the binding band indicating jig 22 indicating the position where the binding band 10 is attached is provided on the work table 20, so that the binding band 10 can be accurately attached to the electric wire 2 at a predetermined position.

  In the conventional manufacturing method, since the bent shape and the branched shape of the wire harness are fixed by winding the tape around the electric wire, the size and shape of the wire harness vary depending on how the tape is wound. In this regard, according to the manufacturing method of the present embodiment, the bent shape and the branched shape of the electric wire 2 are fixed by the protector 4 and the distance between the protectors 4 is fixed by the corrugated tube 8. Difficult to occur. Therefore, the dimension inspection of the manufactured wire harness 1 can be simplified or omitted. Thereby, the high quality wire harness 1 can be manufactured at low cost.

  And the attachment operation | work of the electric wire 2 with respect to the protector 4 can be performed only by engaging the front-end | tip part 11a of the binding band 10 with the protector 4. FIG. Thereby, attachment of the electric wire 2 with respect to the protector 4 can be performed easily and quickly, and the protector 4 and the electric wire 2 can be positioned accurately.

  As described above, the wire harness 1 of the present embodiment includes the plurality of electric wires 2, the protector 4, and the binding band 10. The protector 4 defines at least one of a bent shape or a branched shape of the plurality of electric wires 2. The binding band 10 has a tip 11 a attached to the protector 4 and is attached to the electric wire 2. The protector 4 is formed with an engaging portion 13 that engages with the distal end portion 11a. The electric wire 2 and the protector 4 are positioned by engaging the front end portion 11 a of the binding band 10 attached to the electric wire 2 with the engaging portion 13.

  Thus, by defining the bent shape or the branched shape of the electric wire 2 by the protector 4, the dimensional accuracy can be improved as compared with the conventional wire harness in which the shape of the electric wire 2 is fixed by the tape. Moreover, since the operation | work which winds a tape around the electric wire 2 becomes unnecessary, the time concerning manufacture of the wire harness 1 can be shortened. The operation of attaching the protector 4 to the electric wire 2 can be easily performed only by engaging the binding band 10 with the protector 4.

  The binding band 10 of the present embodiment includes a band portion 11 that goes around the outer circumferences of the plurality of electric wires 2. The bundling band 10 is attached to the electric wire 2 by bundling the plurality of electric wires 2 with the band portion 11.

  Since the work of bundling the electric wires 2 by the band portion 11 is easier than the operation of winding the tape around the electric wires 2, the work time can be shortened. Moreover, since the binding band 10 is attached to the electric wire 2 by bundling the electric wire 2 with the band portion 11, there is no concern that the adhesive force is lowered and the fixing force is deteriorated as in a tape, for example. Thereby, durability of the wire harness 1 can also be improved.

  In the wire harness 1 of the present embodiment, when viewed in the longitudinal direction of the electric wire 2, the distal end portion 11 a of the band portion 11 is provided only on one side as viewed from the electric wire 2.

  Thereby, when force is applied to the electric wire 2, the binding band 10 is inclined with respect to the electric wire 2. As a result, since the binding band 10 bites into the outer periphery of the electric wire 2, the fixing force between the binding band 10 and the electric wire 2 can be increased.

  In the wire harness 1 of the above embodiment, the protector 4 is formed in a substantially U-shaped cross section on a plane orthogonal to the longitudinal direction of the electric wire 2.

  Thereby, the electric wire 2 can be accommodated in the protector 4.

  The wire harness 1 according to the above embodiment includes a plurality of protectors 4 and a corrugated tube 8 that is disposed between the plurality of protectors 4 and accommodates the electric wires 2.

  Thereby, the electric wire 2 of the part between the protectors 4 can be protected by the corrugated pipe 8. Moreover, if the whole electric wire 2 is covered with one protector 4, the wire harness 1 will lose flexibility. By configuring the wire harness 1 with a plurality of protectors 4 as in the present embodiment, the portion between the protectors 4 (corrugated tube 8 portion) can be made flexible. Assembling to a vehicle is improved.

  The protector 4 of the above embodiment has a corrugated tube engaging portion 15 that engages with the irregularities on the outer periphery of the corrugated tube 8.

  The corrugated tube 8 can be fixed so as not to move relative to the protector 4 by engaging the corrugated tube 8 with the corrugated tube engaging portion 15.

  In the wire harness 1 of the above embodiment, the distal end portion 11a and the engaging portion 13 of the binding band 10 are formed so that they cannot be engaged when the arrangement of both is abnormal.

  Thereby, even if it tries to attach the binding band 10 to the wrong attachment position, since it is not attached, an assembly mistake can be prevented.

  Then, the modification of the said embodiment is demonstrated.

  In the above-described embodiment, the binding band 10 is formed by integrally forming the band portion 11 and the buckle portion 12. However, the present invention is not limited to this. For example, as shown in FIG. It may be a type.

  Moreover, although the front-end | tip part 11a of the band part 11 was said to be a protector fixing | fixed part in the said embodiment, it is not limited to this. For example, as shown in FIG. 13, an engagement claw (protector mounting portion) 23 that protrudes in a direction orthogonal to the longitudinal direction of the electric wire 2 may be formed on the buckle portion 12. In this case, on the protector 4 side, as shown in FIG. 14, an engaging portion 13 is formed so that it can be engaged with the engaging claw 23. And the electric wire 2 is positioned with respect to the protector 4 by engaging the engaging claw 23 with the engaging part 13.

  Note that various modifications can be considered for the configuration of FIG. For example, in the example of FIG. 15, an engagement claw 23 that protrudes in a direction parallel to the longitudinal direction of the electric wire 2 is formed in the buckle portion 12. Further, for example, as shown in FIG. 16, the engaging claws 23 may be provided so as to protrude toward the four sides of the buckle portion 12 (a direction parallel to the longitudinal direction of the electric wire 2 and a direction orthogonal to the longitudinal direction). good. According to this, the buckle part 12 can be more stably fixed to the protector 4.

  In the modification shown in FIG. 17, the protector 4 is formed with a plug-like engagement portion 13 that protrudes upward from the bottom surface thereof. On the other hand, the buckle portion 12 of the binding band 10 is formed with a socket portion 25 into which the plug-like engagement portion 13 can be inserted. The binding band 10 is attached to the protector 4 by inserting (engaging) the engaging portion 13 into the socket portion 25. The plug-like engaging portions 13 are provided in pairs with the electric wire 2 interposed therebetween. Thereby, the electric wire 2 can be stably positioned with respect to the protector 4.

  In the modification shown in FIG. 18, a pair of engaging claws 28 are formed on the buckle portion 12. The engagement portion 13 on the protector 4 side includes an insertion portion 29 into which one engagement claw 28 can be inserted, and a lock claw 30 that can be engaged with the other engagement claw 28. In a state where one engagement claw 28 of the buckle portion 12 is inserted into the insertion portion 29, the lock claw 30 is deformed by pressing the buckle portion 12 against the protector 4, and the lock claw 30 is moved to the other engagement claw 28. Can be engaged.

  14 to FIG. 18, the protector mounting portion is formed on the buckle portion 12 of the binding band 10 in which the band portion 11 and the buckle portion 12 are formed as two bodies. Not only this but the bundling band 10 with which the band part 11 and the buckle part 12 were integrally molded can also be set as the structure which formed the protector attachment part in the buckle part 12. FIG. For example, in the modification shown in FIG. 19, a groove portion 26 parallel to the longitudinal direction of the electric wire 2 is formed in the buckle portion 12 of the integrally formed binding band 10. On the other hand, on the bottom surface of the protector 4, an engagement portion 13 having an L-shaped cross section that can be engaged with the groove portion 26 is formed in a rail shape along the longitudinal direction of the electric wire. The binding band 10 can be attached to the protector 4 by engaging the groove 26 with the rail-shaped engaging portion 13 and sliding the binding band 10 along the longitudinal direction of the electric wire 2 with respect to the protector 4.

  In the embodiment and the modified example, the engaging portion 13 is formed on the bottom surface of the protector 4. However, the formation position of the engaging portion 13 is not limited to the bottom surface of the protector 4. For example, the modification shown in FIG. 20 is provided with engaging portions 13 that can hook the buckle portion 12 of the binding band 10 on both side walls of the protector 4 having a U-shaped cross section.

  In addition, the structure of the engaging part 13 of the protector 4 and the protector attaching part of the binding band 10 is not limited to those shown in the above-described embodiment and modifications, and can be modified as appropriate.

  Next, another modification of the above embodiment will be described with reference to FIG.

  As described above, in the wire harness 1 of the above-described embodiment, the engaging portion 13 is formed on the bottom surface of the protector 4 having a U-shaped cross section. For this reason, when performing the operation | work which engages the binding band 10 with respect to the said engaging part 13, an operator's finger | toe tends to interfere with the both-sides wall of the protector 4 with a U-shaped cross section.

  Therefore, in this modification, as shown in FIG. 21, notches 32 are formed on both side walls of the protector 4 having a U-shaped cross section in the vicinity of the engaging portion 13. Thereby, when performing the operation | work which engages the binding band 10 with the engaging part 13, an operator's finger | toe hardly interferes with the both-sides wall of the protector 4 of a U-shaped cross section. Therefore, the workability of attaching the binding band 10 to the protector 4 is further improved. In FIG. 21, the notches 32 are formed on both side walls of the protector 4 having a U-shaped cross section, but the notches 32 may be formed only on one of the side walls.

  As described above, in this modification, the engaging portion 13 is formed on the U-shaped bottom surface of the protector 4. In the protector 4, a notch 32 is formed in the vicinity of the engaging portion 13 in at least one of the U-shaped side walls.

  Accordingly, the operator's finger is less likely to interfere with the protector 4 around the engaging portion 13. Therefore, the workability of the work of engaging the binding band 10 with the engaging portion 13 of the protector 4 is improved.

  The preferred embodiment of the present invention has been described above, but the above configuration can be modified as follows, for example.

  The present invention can be applied not only to wire harnesses for automobiles but also to wire harnesses for other purposes.

  In the said embodiment, although the fixing member was the binding band 10, it is not limited to this. The fixing member may be configured so that a plurality of electric wires can be bundled and can be fixed to the protector 4.

  In the said embodiment, although the protector 4 was made into the U-shaped cross section, it is not necessarily limited to this, What is necessary is just the shape which can regulate the bending shape or branch shape of the electric wire 2. FIG.

  In the said embodiment and modification, although the engaging part 13 is formed in the bottom face or side surface of the protector 4 of a U-shaped cross section, it is not restricted to this, For example, the engaging part 13 is on the cover part 19 which the protector 4 has. It may be formed.

  In the above embodiment, the other protector 4 connected to the protector 4 via the corrugated tube 8 is positioned with respect to the electric wire 2 (in a so-called vine manner). Therefore, the protector 4 connected to another protector via the corrugated tube 8 may be able to omit the configuration for positioning the protector 4 and the electric wire 2 (such as the binding band 10 and the engaging portion 13).

  The corrugated tube 8 can be omitted.

DESCRIPTION OF SYMBOLS 1 Wire harness 2 Electric wire 3 Connector 4 Protector 10 Binding band (fixing member)
11 Band (Protector mounting part)
13 Engagement part

Claims (8)

Multiple wires,
A protector that defines at least one of a bent shape or a branched shape of the plurality of electric wires;
While having a protector attaching part attached to the protector, a fixing member attached to the electric wire,
With
The protector is formed with an engaging portion that engages with the protector mounting portion.
The wire harness, wherein the wire and the protector are positioned by engaging the protector mounting portion of the fixing member attached to the wire with the engaging portion. The wire harness according to claim 1,
The fixing member is
A band portion orbiting the outer periphery of the plurality of electric wires;
A buckle part into which the band part is inserted;
With
A wire harness, wherein a fixing member is attached to the electric wire by bundling the plurality of electric wires with the band part and the buckle part. The wire harness according to claim 2,
When viewed in the longitudinal direction of the electric wire, the protector mounting portion is provided only on one side as viewed from the electric wire. The wire harness according to any one of claims 1 to 3,
The protector is formed in a substantially U-shaped cross section in a plane orthogonal to the longitudinal direction of the electric wire. The wire harness according to claim 4,
The engaging portion is formed on the U-shaped bottom surface of the protector,
The protector has a notch formed in the vicinity of the engaging portion in at least one of the U-shaped side walls. The wire harness according to any one of claims 1 to 5,
With multiple protectors,
A corrugated tube that is arranged between the plurality of protectors and accommodates an electric wire;
A wire harness comprising: The wire harness according to claim 6,
The said protector has a corrugated-tube engaging part engaged with the unevenness | corrugation of the outer periphery of the said corrugated pipe, The wire harness characterized by the above-mentioned. The wire harness according to any one of claims 1 to 7,
The wire harness characterized by the said protector attaching part and the said engaging part being formed so that it cannot engage when both arrangement | positioning is abnormal.

Images