JPH08249933A - Branching structure of wire harness - Google Patents

Abstract

PURPOSE: To prevent interference between branched wires and vehicle panels near an installation part of an appliance regarding a wire harness, which is one from which a branch wire to connect an appliance is branched from its main wire and of which the length of the branch wire is so set as to be the length covering the length sufficient in the case the appliance is installed in a vehicle side and also the length as a margin for connection work. CONSTITUTION: A path regulating member 16 provided with hard installation parts 17A, 17B and a hinge part 18 freely bent to connect the installation parts in series is fixed in a branch wire 13, which is branched from a main wire 11 of a wire harness and to which a connector 14 for appliance connection is attached at the tip part, by an adhesive tape 20. In the case an appliance attached to the connector is installed in a vehicle side, a part corresponding to the hinge part of the branch wire is bent and the parts corresponding to the installation parts are not bent.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a branch structure of a wire harness for an automobile or the like, and more specifically, a branch line for connecting equipment such as an audio device, meters, and an electric junction box from a trunk line of the wire harness. In addition, the length of the branch line is set to the length corresponding to the state where the above equipment is mounted on the vehicle body side, plus the margin (excess length part) for connection work. In this case, by restricting the bending path of the branch line, it is possible to prevent interference between the branch line and the vehicle body panel, duct, bracket, other unit, etc. near the mounting portion of the device.

[0002]

2. Description of the Related Art As shown in FIG.
/ H, in order to connect to devices such as audio devices, meters, electric junction boxes, etc., a plurality of electric wires are branched from a main wire 1 of a wire harness W / H composed of a large number of electric wires, and a connector 4 is provided at the tip thereof. The branch line 2 provided with may be provided.

26 (A), (B), and (C) show an example of the above-mentioned branch structure when the wire harness W / H is connected to the meter 3. To connect the connector 4 to the meter 3, as shown in FIGS. 26A and 26B, the wire harness W /
The branch line 2 of H is pulled out to connect the connector 4 and the meter 3, and then, as shown in FIG. 26 (C), the meter 3 is pushed into and housed in the recessed housing portion 5b provided in the instrument panel portion 5.

Therefore, the length of the branch line 2 of the wire harness W / H is sufficient if it corresponds to the distance between the main line 1 and the meter 3 when the meter 3 is completely attached as shown in FIG. 26 (B). First, it is necessary to pull out the branch line 2 shown in FIG. 26 (A) from the accommodating portion 5b and set it to a length such that the connector 4 and the meter 3 can be connected. As described above, in order to connect a device to the branch line 2 of the wire harness W / H, the length of the branch line 2 is set to a length corresponding to a state in which the device is attached to the vehicle body side, and a margin for connection work ( It is necessary to set the length to include the extra length portion), and if the length of the branch line 2 is short, connection work becomes difficult or impossible.

[0005]

However, since the branch line 2 is provided with the extra length portion as described above, when the meter 3 is pushed into the accommodating portion 5b as shown in FIG. It is necessary to bend the wire, and at this time, the branch line 2 may interfere with the vehicle body panel, the duct, the bracket, the other unit, and the like to cause a short circuit. So, as mentioned above,
Conventionally, a vinyl tube or a corrugated tube may be inserted through the branch line 2. In this case, however, the diameter of the branch line 2 becomes large, which makes it difficult to bend the branch line 2 and makes it difficult to mount the device.

The present invention solves the above problems in the conventional branch structure of the wire harness, prevents the interference between the branch line and the vehicle body panel, and improves the workability of the work of connecting the equipment to the branch line and mounting it on the vehicle body side. It was made for the purpose.

[0007]

Therefore, according to a first aspect of the present invention, a branch line for connecting a device to a trunk line of a wire harness is branched, and the length of the branch line is set on the vehicle body side. In the case where the length corresponding to the state is set to a length including a margin for connection work, at least one portion of the branch line is a bendable flexible portion and the branch line is flexible. It is intended to provide a branch structure of a wire harness, characterized in that a portion other than the flexible portion is a non-flexible portion that maintains a substantially straight state.

According to a second aspect of the present invention, the path fixed to the branch line according to the first aspect includes at least two or more rigid mounting portions and at least one or more bendable hinge portions connecting the mounting portions in series. A restricting member is provided, and the path restricting member is attached to the branch line, a portion of the branch line corresponding to the mounting portion constitutes the non-flexible portion, and a portion of the branch line corresponding to the hinge portion is the flexible portion. The present invention provides a branch structure of the wire harness that constitutes the.

According to a third aspect of the present invention, in the second aspect, the path regulating member includes an elastic member that elastically biases the hinge portion so that the hinge portion is bent.

According to a fourth aspect of the present invention, in the first to third aspects, an adhesive tape is wound around the mounting portion and the outer periphery of the wire harness to fix the route regulating member to the wire harness.

According to a fifth aspect of the present invention, in the first to third aspects, a band member that can be tightened is wound around the attachment portion and the outer periphery of the wire harness to fix the route regulating member to the wire harness.

According to a sixth aspect of the present invention, in the first to fifth aspects, the path regulating member is provided with an engaging portion for engaging with the vehicle body side.

According to a seventh aspect of the present invention, in the first aspect, at least two or more hard tubes are inserted into and fixed to the branch line at intervals, and the portion of the branch line to which the hard tube is fixed constitutes the non-flexible portion. A portion of the branch line corresponding to the interval between the hard tubes provides a branch structure of the wire harness that constitutes the flexible portion.

According to an eighth aspect of the present invention, in the first aspect, the non-flexible portion is constructed by winding the adhesive tape a required number of times in a range of a required length at intervals at least at two positions on the branch line. It is intended to provide a branch structure of a wire harness in which a flexible portion is an unwound portion of a tape.

A ninth aspect of the present invention is characterized in that, in the seventh or eighth aspect, the length of the flexible portion of the electric wire forming the branch line is made different, and the flexible portion is bent and bent. And

According to a tenth aspect of the present invention, in the seventh to ninth aspects, a bendable mesh tube is inserted through the flexible portion of the branch line.

According to an eleventh aspect of the present invention, a branch line for connecting a device is branched from a main line of the wire harness,
In the case where the length of the branch line is set to a length corresponding to the state in which the device is mounted on the vehicle body side, plus a margin for connection work, the entire length of the branch line in the length direction Is a non-flexible portion that maintains a substantially linear state, and a branching structure of a wire harness in which the branch line rotates about a branch point as a fulcrum.

[0018]

In the wire harness branching structure according to the first aspect of the present invention, at least one portion of the branch line is a flexible portion that can be bent, and the portion other than the flexible portion of the branch line is an inflexible portion that maintains a substantially linear state. Since it is a flexible part, when a branch line is pulled out to connect equipment such as audio equipment, meters, and electric junction boxes, and then this equipment is mounted on the vehicle body side, the flexible part of the branch line bends and the non-flexible part Does not bend, and the bending path of the branch line is almost constant.

According to the second aspect of the present invention, since it is fixed to the route regulating member having the hard mounting portion and the bendable hinge portion,
After connecting the branch line to the device, when installing this device on the vehicle body side, the part corresponding to the hinge part of the branch line bends,
The part corresponding to the mounting part is not bent, and the path of bending of the branch line is almost constant.

According to the third aspect of the present invention, since the path regulating member is provided with the elastic member that elastically biases the hinge portion so that the hinge portion is bent, after connecting the branch line to the device, the device is mounted on the vehicle body side. When attached, the hinge portion automatically bends due to the urging force of the elastic member.

According to the present invention, the route regulating member is fixed to the wire harness with the adhesive tape, so that the cost is reduced.

According to the present invention, since the route regulating member is fixed to the wire harness by the band member, the route regulating member is firmly fixed to the wire harness and the fixing work is easy.

According to the sixth aspect of the present invention, since the locking portion is provided, the bending path of the branch line is more stable when the branch line is connected to the device and then the device is mounted on the vehicle body side.

In the branch structure of the wire harness according to the seventh aspect, since the rigid tubes are inserted and fixed to the branch line with a space therebetween, when the branch line is connected to the device and then the device is mounted on the vehicle body side, The space between the hard tubes of the branch line bends, the part inserted into the hard tube does not bend, and the path along which the branch line bends is almost constant.

According to the present invention, since the adhesive tape is wound a required number of times in a required length range at least at two positions on the branch line, after connecting the branch line to the device, the device is attached to the vehicle body side. At the time of mounting, the space between the adhesive tapes of the branch lines bends, and the part around which the adhesive tapes are wound does not bend, and the path of bending of the branch lines becomes almost constant.

According to a ninth aspect of the present invention, the length of the flexible portion of the electric wire forming the branch line is made different so that the flexible portion is bent and bent. Therefore, after connecting the branch line to the device, the device is connected. The flexible part bends smoothly when the is attached to the vehicle body.

According to the tenth aspect, since the flexible mesh tube is inserted in the flexible portion, the electric wire can be protected.

In the branch structure of the wire harness according to the eleventh aspect, since the entire length of the branch line is a non-flexible portion, after the branch line is pulled out and equipment such as an audio device, meters, and an electric connection box are connected, When this device is mounted on the vehicle body side, the branch line rotates about the branch point, and the path of the branch line becomes almost constant.

[0029]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail with reference to the embodiments shown in the drawings. In the first to tenth embodiments, the route regulating member is attached to the branch line to regulate the bent route of the branch line.

As shown in FIGS. 1 to 3, the first aspect of the present invention is as follows.
In the embodiment, among the many electric wires 12 constituting the trunk line 11 of the wire harness W / H, a plurality of electric wires 12 are branched to form a branch line 13, and a connector 14 for connection is attached to the tip of the branch line 13. . Both the trunk line 11 and the branch line 14,
The electric tape 12 is bound by winding an adhesive tape 15 around the outer circumference.

The length of the branch line 14 corresponds to the distance between the main line 11 and the meter 21 when the meter 21 (shown in FIG. 3) connected to the branch line 14 is completely attached, and the length of the meter 21 and the connector 14 is set. The length is set to include the extra length portion that allows the branch line 14 to be pulled out during the connection work with.

A path regulating member 16 is attached to the branch line 13. The path restricting member 16 is made of resin and includes two mounting portions 17A and 17B and these mounting portions 17A and 17B.
A hinge portion 18 that connects A and 17B in series is provided. Each of the mounting portions 17A and 17B has a thin rectangular plate shape, and one end portion 19 in the longitudinal direction is connected to the hinge portion 18. On the other hand, the hinge portion 18 corresponds to the mounting portion 1
It has a rectangular shape with a width narrower than 8, and both ends in the longitudinal direction are connected to the ends 19 in the longitudinal direction of the mounting portions 17A, 17B. The path regulating member 16 is bendable around the hinge portion 18 as a fulcrum.

The route regulating member 16 is shown in FIGS. 3 (A) and 3 (B).
As shown in Fig. 1, the branch line 1 at the completion of the installation of the meter 21
At the position corresponding to the inner side in the folded state of 3, the branch line 13
By wrapping the adhesive tape 20 around the mounting portions 17A and 17B and the branch line 13 along the branch line 1
It is fixed to 2. The mounting portions 17A, 1 of the branch line 13
The portion corresponding to 7B does not bend easily and constitutes a non-flexible portion that maintains a straight state, and the hinge portion 1 of the branch line 13
The portion corresponding to 8 constitutes a bendable flexible portion.

Next, the operation of connecting the meter 21 to the wire harness W / H having the branch structure and mounting it on the vehicle body side will be described. In addition, this meter 21 is
It is accommodated in the concave accommodating portion 23a of the instrument panel portion 23 provided on the driver's cab side. First, the car body 22
The branch line 13 of the wire harness W / H arranged in the above is inserted into the opening 23b provided at the bottom of the housing 23a. In this state, the operator manually holds the branch line 13 in the accommodating portion 23a.
And connect the connector 14 to the meter 21.
At this time, since the path regulation member 16 attached to the branch line 13 has a structure in which the attachment portions 17A and 17B are connected by the bendable hinge portion 18, the branch line 13 can be easily stretched to a substantially straight line state. . Therefore, in this embodiment, the connector 14 can be brought to a position apart from the housing portion 23a, and the connection work between the connector 14 and the meter 21 can be easily performed.

Next, the meter 21 to which the connector 14 is connected is housed in the housing portion 23a. At this time, since the branch line 13 is provided with the extra length portion as described above, the branch line 13
Will bend inside the accommodating portion 23a, but in this embodiment, since the path restricting member 16 is attached to the branch line 13, the bending path of this branch line 13 is restricted. That is, in the route restricting member 16, the hinge portion 18 is bendable, but the mounting portions 17A and 17B are not bent. Therefore, when the meter 21 is pushed into the housing portion 23a, the branch line 13 is always hinged. The part of part 18 bends,
The other portion is arranged in the accommodation portion 23a in a two-folded state in which the linear shape is maintained.

Therefore, when the branch structure of the wire harness according to the present embodiment is adopted, the trajectory through which the branch line 13 bends is clear, so that parts such as the vehicle body panel, ducts, brackets, and units are attached to this branch line 13. It is possible to prevent the interference with the branch line 13 by disposing it at a position deviated from the track or by providing notches, recesses or the like in these parts. In addition, in the present embodiment, the path of the branch line 13 at the time of bending can be changed by changing the mounting position of the branch line 13 of the path regulating member 16 or changing the length of the mounting portions 17A and 17B. Therefore, it is possible to prevent the branch line 13 from interfering with other components by setting the route according to the arrangement of the components such as the vehicle body panel. Therefore, the worker does not need to pay attention to the bent path of the branch line 13 when mounting the meter 21, and the workability of the mounting work is good.

The route restricting members 16 according to the second and third embodiments shown in FIGS. 4 (A) and 4 (B) are all attached to the branch line with an adhesive tape, as in the first embodiment.
Only the shape is different from the first embodiment. First, the path regulating member 16 according to the second embodiment shown in FIG.
A and 17B have a C-shaped cross section by cutting out a part of the cylindrical body in the longitudinal direction. Further, the route restricting member 16 according to the third embodiment shown in FIG.
The cross-sectional shape of B is L-shaped.

A fourth embodiment of the present invention shown in FIGS. 5 and 6A and 6B is a branch line 13 connected to an audio device 27 attached to an instrument stay 26 attached to an instrument member 25 provided on the vehicle body. It is a branched structure of.

In the fourth embodiment, the mounting portions 17A, 17
B on both side edges of the plate portion 28 in the width direction, side plate portions 29A, 29
It has a gutter shape with B. Further, the plate-like portion 28 is provided with a locking portion 30 formed by providing an elliptic spherical stopper portion 30b at the tip of the shaft portion 30a. The instrument stay 26 includes a round hole portion 31a having a diameter larger than that of the locking portion 30,
The locking hole 31 is formed of a narrow hole portion 31b continuous with the round hole portion 31a. The locking portion 30a is replaced with the round hole portion 31a.
After being inserted into the locking hole 31, the locking portion 31 is locked in the locking hole 31 by shifting it to the side of the narrow hole portion 31b. Similar to the first embodiment, the route regulating member 16 is fixed to the branch line 13 by winding the adhesive tape 20 around the attachment portions 17A and 17B and the outer periphery of the branch line 13. In addition, the locking portion 30
The shape of is not limited to the above, and may be a clip shape as shown in FIG. 7, for example.

When connecting the connector 14 to the audio device 27, as shown in FIGS. 6A and 6B, the branch line 13 is pulled out from between the instrument stays 26, and the locking portion 30 is provided.
The mounting portion 17A is fixed to the instrument stay 26 by engaging with the locking hole 31, the connector 14 is connected to the audio device 27, and then the audio device 27 is fixed to the instrument stay 27. At this time, the branch line 13 bends around the hinge portion 18 as a fulcrum, and the other portions maintain a linear state. Therefore, the bent shape of the branch line 13 in a state where the attachment of the audio device 27 is completed is determined by the size and the attachment position of the path regulation member 16, and the installation stay 26
By appropriately setting the size and shape of the guide line, the size of the route restricting member 16, and the mounting position, the branch line 13 and the installation stay 26
It is possible to prevent interference with the instrument member 26. In particular, in the fourth embodiment, by engaging the locking portion 30 of the path regulating member 16 with the locking hole 31, a part of the branch line 31 is fixed to the instrument stay 26, so that the bending path of the branch line 31 is further improved. It is stable, and interference between the branch line 31 and other parts can be reliably prevented.

In the fifth embodiment of the present invention shown in FIGS. 8 and 9 (A), (B), (C), the vicinity of the connecting portion of the attachment portions 17A, 17B of the path regulating member 16 with the hinge portion 18 is shown. At the end, a spring stopper 32A made of a semi-cylindrical cut and raised member,
32B is provided, and end portions 33a, 33 of a spring 33 formed by winding a linear spring material once around the spring stop portions 32A, 32B.
b is press-fitted. This spring 33 is provided with a path regulating member 1 so that the hinge portion 18 is bent as shown by an arrow C.
The mounting portions 17A and 17B of 6 are elastically biased.

As shown in FIG. 9 (A), the regulating member 16 is arranged so that the branch line 13 of the wire harness W / H is inwardly bent, and the branch line 13 is hinged by the urging force of the spring 33. It is in a state of being bent in two with the fulcrum as a fulcrum. When connecting the connector 14 to the device 34,
As shown in FIG. 9B, the worker pulls out the branch line 31 from between the instrument stays 27 against the biasing force of the spring 33, and connects the connector 14 and the device 34. From this state, as shown in FIG. 9C, when the device 34 is attached to the instrument stay 27, the branch line 13 bends around the hinge portion 18 as a fulcrum due to the biasing force of the spring 33. Therefore,
In the fifth embodiment, since the bent shape of the branch line 13 is determined by the size and the mounting position of the route regulating member 16, the branch line 1
3 and other parts can be prevented from interfering with each other, and the branch line 13 is automatically bent by the biasing force of the spring 33, so that the workability of mounting the device 34 is further improved.

The means for elastically urging the mounting portions 17A, 17B is not limited to the spring 33, but as shown in FIG. , 17B are provided with protruding rubber stoppers 132A, 132B at their ends near the connection with the hinge portion 18, and the annular rubber member 133 is engaged with the rubber stoppers 132A, 132B to regulate the route. The mounting portions 17A and 17B of the member 16 may be elastically biased. Further, as shown in FIG. 10 (B), the rubber member 133 'is formed into a cord shape, and the annular locking portion 1 provided at both ends of this rubber member.
33a ', 133b' with rubber stoppers 132A, 132B
It may be locked to. Further, in addition to the above rubber, various elastic members such as elastic resin can be used.

In the above-mentioned first to fifth embodiments, the route regulating member 16 is attached to the branch line 13 by the adhesive tape, but the structure for attaching the route regulating member 16 to the branch line 13 is not limited to this. For example, in the sixth embodiment shown in FIG. 11, the mounting portions 17A and 17B are rectangular plate-shaped like the first embodiment, and rectangular notches 35a and 35b facing the mounting portions 17A and 17B in the width direction. And make this notch 35
The path regulating member 16 is fixed to the branch line 13 by tightening the branch line 31 and the mounting portions 17A and 17B at the portions a and 35b with the band member 36. The band 36 includes a band body 36a made of a flexible belt-like body and a buckle portion 36b that can be fastened by inserting the band body 36a.

In the seventh embodiment shown in FIG. 12, the mounting portion 17
Side plate portions 29 are provided on both widthwise edges of the plate portions 28 of A and 17B.
A trough shape provided with A and 29B, and the side wall portions 29A and 2B
The path regulating member 16 is fixed to the branch line 13 by fastening the branch line 31 and the attachment portions 17A, 17B with the band member 36 at the cuts 37a, 37b provided in 9B.

In the eighth embodiment shown in FIG. 13, the mounting portion 17
Lids 39A, 39B are provided on one side wall 29A of A, 17B via a thin hinge 38. This lid 39
A lock claw 40 and a lock hole 41 are provided at the corresponding positions of the tips of the A and 39B and the other side wall portion 29B, respectively, and the lid portion 39A, with the mounting portions 17A and 17B along the branch line 31. By closing 39B, the route restricting member 16 is fixed to the branch line 13.

In the ninth embodiment shown in FIG. 14, the mounting portion 17
A and 17B have a cylindrical shape, and an uneven cutting line 42 is provided in the axial direction, and the mounting line 17 extends from the cutting line 42.
The path regulation member 16 is fixed to the branch line 13 by opening A and 17B and disposing the branch line 13 inside.

The tenth embodiment shown in FIG.
The shapes of A and 17B are gutter shapes similar to those in the fourth embodiment and are fixed to the branch line 13 by the adhesive tape 20,
A guide notch 43 is provided on one side wall 29B, and the branch line 13 is arranged separately in the guide notch 43.

In the first to tenth embodiments, the number of hinge portions 18 of the path regulating member 16 is one, and the branch line 13
However, the path regulation member 16 may be provided with two or more hinge portions 18 and the path regulation member 16 may be folded in three or more when the attachment of the device is completed.

In each of the first to tenth embodiments, the route regulating member 16 is fixed to the inner portion when the branch line 13 is bent, as shown in FIG. 16 (A). As shown in FIG. 16 (B), the path regulating member 16 may be fixed to the outer side portion when the branch line 13 is bent.

In the eleventh to fourteenth embodiments, the branch line 1
The hardness of the adhesive tape and the exterior member provided on the outer periphery of 3
By making them partially different in the length direction of 3, the branch line 1
It regulates the bent route of 3. In the eleventh embodiment shown in FIGS. 17 and 18A and 18B, the branch line 1
3 has the above-mentioned extra length portion and is set to be longer than the length corresponding to the attachment completed state of the device 34, and the two hard tubes 51A and 51B are inserted therethrough. The hard tubes 51A and 51B are made of vinyl tubes, corrugated tubes, or the like and have a hardness that does not easily bend. The ends of the hard tubes 51A and 51B are fixed to the branch line 13 with an adhesive tape 52, and the part of the branch line 13 through which the hard tubes 51A and 51B are inserted constitutes a non-flexible portion that is not easily bent. . In the space 53 between the hard tubes 51A and 51B of the branch line 13, the electric wire 1
The outer periphery of 1 is a flexible portion that can be bent without being covered with an exterior member. An adhesive tape may be wrapped around the outer periphery of the spacing portion 53 as long as the flexibility is not impaired.

When connecting the connector 14 to the device 34, first, as shown in FIG. 18A, the branch line 13 is pulled out from the trunk line 11, and the connector line 14 is extended linearly. Connect to. Next, FIG. 18 (B)
As shown in, the device 34 is attached to a mounting portion (not shown) on the vehicle body side. At this time, since the extra length portion is provided as described above, the force F1 for pushing the device 34 causes
Although the branch line 13 is bent, the rigid tubes 51A and 51B that are not easily bent are attached to the branch line 13, so that the force F1 acts on the space 53 to apply the force F2 to the branch line 1.
No. 3 always bends in the state of being folded in two with the interval portion 53 as a fulcrum.

Therefore, when the branch structure of the present embodiment is adopted, since the trajectory through which the branch line 13 bends is clear, parts such as the vehicle body panel, ducts, brackets, and units are removed from the trajectory of this branch line 13. It is possible to prevent the interference with the branch line 13 by providing them at different positions or by providing notches, recesses or the like in these parts. Further, in this embodiment, by changing the mounting positions of the hard tubes 51A, 51, the branch line 13 at the time of bending can be changed.
Since the route can be changed, it is possible to prevent interference by setting the route according to the arrangement of other components. Therefore, the worker does not need to pay attention to the bent path of the branch line 13 when mounting the device 34, and the workability of the mounting work is good. In addition, in the present embodiment, since the bending path of the branch line 13 can be regulated by a simple structure in which the hard tubes 51A and 51B are inserted and fixed to the branch line 13, the cost can be reduced.

The first aspect of the present invention shown in FIGS. 19 (A) and 19 (B).
The second embodiment has a structure in which the mesh tube 54 is inserted through the flexible portion 53 in the first embodiment. The mesh tube 54 is made of PA or the like and has flexibility. This 12th
In the embodiment, the flexible portion 53 of the branch line 13 is a mesh tube 54.
Protects the electric wire 12 from being damaged.

In the thirteenth embodiment of the present invention shown in FIG. 20,
The non-flexible portion 54 is configured by multiple winding of the adhesive tape 20. That is, in the thirteenth embodiment, the non-flexible portions 56A and 56B which do not easily bend by double winding the adhesive tape 20 or winding the required number of times more than required within a required length range at two positions of the branch line 13. And the portion where the adhesive tape 20 is not wound between the non-flexible portions 56A and 56B is the flexible portion 57. This thirteenth
Also in the case of the embodiment, when the device to which the connector 14 is attached is attached to the vehicle body side, since the bending portion 57 is always folded in two and the bending path of the branch line 13 is determined, the branch line 13 and other parts are fixed. Interference can be prevented.

In the thirteenth embodiment, an adhesive tape may be wrapped around the outer periphery of the flexible portion 57 as long as the flexibility is not impaired, and the mesh tube 55 is the same as in the twelfth embodiment. May be inserted.

21 and 22 (A), (B), (C)
The fourteenth embodiment of the present invention shown in FIG.
Although the non-flexible portion 53 is formed by 51B, it is similar to the eleventh embodiment, but the structure of the flexible portion 54 is characteristic.
That is, in the fourteenth embodiment, among the electric wires 11 in the portion of the flexible portion 54, the electric wire 1 that comes outside in this state than the electric wire 12-1 that comes inside when the branch line 13 is bent.
2-2 is set to a long length, and the branch line 1 is set as shown in FIG.
When 3 is close to a straight line, the outer wire 12-2 is U
The shape is curved in a letter shape. Flexible part 53
If the length of the electric wire 12 is set as described above, the branch line 13
22B, the branch line 13 is in a bent state with the flexible portion 53 as a fulcrum, and the branch line 13 is bent in a bent state as shown in FIG. 22B.

To form the branch structure of the fourteenth embodiment, as shown in FIG. 22 (A), the wire harness W / H is used.
From the time of manufacture, the jig 59 for arranging the electric wire 11 forming the branch line 13 is arranged so that the branch line 13 is bent in a U shape. In this arrangement, the jig 59 and the electric wire 11
22B, as shown in FIG. 22B, with the wire harness W / H removed from the jig 56, the branch line 13 has already been stabbed. When the connector 14 and the device are connected, as shown in FIG. 22C, the worker extends the flexible portion 54 having the habit to connect the connector 14 to the device. After that, when the device is attached to the vehicle body side, since the flexible portion 54 has a bent habit, the branch line 13 is surely folded in two at the flexible portion 54. Therefore, in the fourteenth embodiment, since the bending path of the branch line 13 is determined, the branch line 13
It is possible to reliably prevent the interference with the vehicle body panel and the like, and the workability is further improved because the flexible portion 54 of the branch line 13 is smoothly bent. It is needless to say that in the fourteenth embodiment, the non-flexible portions 51A and 51B may be formed by winding the adhesive tape multiple times.

In the eleventh to fourteenth embodiments,
The non-flexible portions are provided at two positions on the branch line 13, and the branch line 13 is bent in two. However, the non-flexible portions are provided at two or more places, and the branch line 13 is fixed to three when the equipment is completely attached. The structure may be folded or folded. In addition, in FIG.
As shown in (B), the entire length of the branch line 13 may be inserted into the hard tube 51 except for the branch portion 58 of the branch line 13 from the trunk line 11 and the tip end portion provided with the connector 14. In this case, when the device 34 connected to the connector 14 is mounted on the vehicle body side, the branch line 13 rotates around the branch portion 58 as a fulcrum and is arranged along the main line 11.
The route of 3 is fixed.

Further, as shown in FIGS. 24 (A) and 24 (B), a push former 60A having a semicircular cross section or a push former 60B having an L-shaped cross section is attached to a branch line by an adhesive tape, which is not possible. The flexible portion may be formed.

[0061]

In the wire harness branching structure according to the first aspect of the present invention, at least one portion of the branch line is a bendable flexible portion, and the portions other than the flexible portion of the branch line are maintained in a substantially straight state. Since it is a non-flexible part, when the branch line is pulled out and equipment such as audio equipment, meters, and electrical junction boxes are connected and then this equipment is mounted on the vehicle body side, the flexible part of the branch line bends and is not flexible. The flexible portion does not bend, and the path along which the branch line bends is almost constant. Therefore, it is possible to prevent interference with the branch line by providing parts such as the vehicle body panel, duct, bracket, unit, etc. at positions off the track when the branch line bends, or by providing notches, recesses or the like in these parts. be able to. Further, by changing the positions of the flexible portion and the non-flexible portion, it is possible to change the path of the branch line at the time of bending, so by setting the path according to the arrangement of parts such as the vehicle body panel, Interference between the branch line and other parts can be prevented. Therefore, in the branch structure according to the first aspect, it is not necessary to pay attention to the bent path of the branch line when the device is attached to the branch line, and the workability of the mounting work is good.

According to the second aspect of the present invention, since it is fixed to the path regulating member having the hard mounting portion and the bendable hinge portion,
After connecting the branch line to the device, when installing this device on the vehicle body side, the part corresponding to the hinge part of the branch line bends,
The part corresponding to the mounting part is not bent, and the path of bending of the branch line is almost constant. Therefore, by providing other parts such as the vehicle body panel at a position deviated from the track when the branch line bends, or by providing a notch, a recess, or the like,
It is possible to prevent interference with the branch line. Further, since the route of the branch line at the time of bending can be changed by changing the mounting position of the route restricting member with respect to the branch line and the number of mounting parts and hinges, the route corresponding to the arrangement of parts such as the vehicle body panel can be changed. By setting to, it is possible to prevent interference between the branch line and other parts. Therefore, in the branch structure according to the second aspect, it is not necessary to pay attention to the bending path of the branch line when the device is attached to the branch line, and the workability of the mounting work is good.

According to the third aspect of the present invention, since the path regulating member is provided with the elastic member that elastically urges the hinge portion so that the hinge portion is bent, after connecting the branch line to the device, the device is mounted on the vehicle body side. When attached, the hinge portion automatically bends due to the urging force of the elastic member. Therefore, according to the structure of claim 3, the workability of mounting the device connected to the branch line is further improved.

According to the fourth aspect, since the route regulating member is fixed to the wire harness with the adhesive tape, the cost can be reduced.

According to the present invention, since the route regulating member is fixed to the wire harness by the band member, the route regulating member can be firmly fixed to the wire harness and the fixing work is easy.

In the sixth aspect, since the locking portion is provided,
After connecting the branch line to the device, it is possible to further stabilize the bending path of the branch line when the device is attached to the vehicle body side.

In the branch structure of the wire harness according to the seventh aspect, since the rigid tubes are inserted and fixed to the branch line at intervals, when the branch line is connected to the device and then the device is mounted on the vehicle body side, The space between the hard tubes of the branch line bends, the part inserted into the hard tube does not bend, and the path along which the branch line bends is almost constant. Therefore, it is possible to prevent interference with the branch line by providing other parts such as the vehicle body panel at a position deviated from the track when the branch line bends, or by providing a notch, a recess or the like. In addition, the route of the branch line at the time of bending can be changed by changing the mounting position and dimensions of the hard tube with respect to the branch line.Therefore, by setting the route according to the arrangement of the parts such as the vehicle body panel, the branch line can be changed. And other components can be prevented from interfering with each other. Therefore, claim 7
In the branch structure of No. 2, it is not necessary to pay attention to the bending path of the branch line when the device is attached to the branch line, and the workability of the installation work is good.

According to the eighth aspect of the invention, since the adhesive tape is wound a required number of times in a required length range at least at two positions on the branch line, after connecting the branch line to the device, the device is attached to the vehicle body side. At the time of mounting, the space between the adhesive tapes of the branch lines bends, and the part around which the adhesive tapes are wound does not bend, and the path of bending of the branch lines becomes almost constant. Therefore, it is possible to prevent interference with the branch line by providing other parts such as the vehicle body panel at a position deviated from the track when the branch line bends, or by providing a notch, a recess or the like. In addition, the route of the branch line at the time of bending can be changed by changing the position and range of wrapping the adhesive tape around the branch line.Therefore, by setting the route according to the arrangement of parts such as the body panel, the branch line can be changed. And other components can be prevented from interfering with each other. Therefore, in the branch structure according to the eighth aspect, it is not necessary to pay attention to the bending path of the branch line when the device is attached to the branch line, and the workability of the mounting work is good.

In the ninth aspect, since the length of the flexible portion of the electric wire forming the branch line is made different so that the flexible portion is bent and bent, the branch line is connected to the device and then the device is connected. Since the flexible portion is bent smoothly when the device is mounted on the vehicle body side, the workability of mounting the device on the vehicle body side is further improved.

According to the tenth aspect, since the flexible mesh tube is inserted into the flexible portion, the electric wire can be protected and the damage can be prevented.

In the wire harness branching structure according to the eleventh aspect, since the entire length of the branch line is a non-flexible portion, after the branch line is pulled out and equipment such as an audio device, meters, and an electric connection box are connected, When this device is mounted on the vehicle body side, the branch line rotates about the branch point, and the path of the branch line becomes almost constant. Therefore, it is possible to prevent interference with the branch line by providing parts such as the vehicle body panel at positions deviated from the trajectory of the branch line, or by providing notches, recesses or the like in these parts. Therefore, claim 11
In the branch structure of No. 2, it is not necessary to pay attention to the route of the branch line when the device is attached to the branch line, and the workability of the installation work is good.

[Brief description of drawings]

FIG. 1 is a perspective view showing a branch structure according to a first embodiment of the present invention.

FIG. 2 is an exploded perspective view showing a branch structure according to a first embodiment of the present invention.

FIG. 3A is a schematic view showing a state in which a branch line is pulled out in the first embodiment, and FIG. 3B is a schematic view showing a state where a device is completely attached in the first embodiment.

FIG. 4A is a perspective view showing a route restricting member according to a second embodiment, and FIG. 4B is a perspective view showing a route restricting member according to a third embodiment.

FIG. 5 is a perspective view showing a path regulating member according to a fourth embodiment.

6A and 6B are perspective views showing a fourth embodiment.

7 is a partial perspective view showing another structure of the locking portion 30. FIG.

FIG. 8 is a partially enlarged perspective view showing a route regulating member according to a fifth embodiment.

9 (A), (B), and (C) are schematic diagrams showing connection and installation work of devices in the fifth embodiment.

10A and 10B are partially enlarged perspective views showing a modified example of the fifth embodiment.

FIG. 11 is a perspective view showing a sixth embodiment.

FIG. 12 is a perspective view showing a seventh embodiment.

FIG. 13 is a perspective view showing an eighth embodiment.

FIG. 14 is a perspective view showing a ninth embodiment.

FIG. 15 is a perspective view showing a tenth embodiment.

16 (A) is a schematic view showing a route restricting member mounted inside a bent branch line, and FIG. 16 (B) is a schematic view showing a path restricting member attached outside a bent branch line.

FIG. 17 is a perspective view showing an eleventh embodiment.

FIG. 18A is a schematic view showing a state in which a branch line is drawn out in the eleventh embodiment, and FIG. 18B is a schematic view showing a device attachment completion state in the eleventh embodiment.

FIG. 19 (A) is a schematic view showing a state in which a branch line is pulled out in the twelfth embodiment, and FIG. 19 (B) is a schematic view showing a device attachment completion state in the eleventh embodiment.

FIG. 20 is a perspective view showing a thirteenth embodiment.

FIG. 21 is a perspective view showing a fourteenth embodiment.

22A is a perspective view showing the manufacturing process of the wire harness having the branch structure of the fourteenth embodiment, and FIG.
FIG. 14 is a perspective view showing a fourth embodiment, and FIG. 14C is a perspective view showing a state in which a branch line is pulled out in the fourteenth embodiment.

23 (A) and (B) are perspective views showing another embodiment of the present invention.

24 (A) and 24 (B) are perspective views showing a modified example of the present invention.

FIG. 25 is a perspective view showing an example of a conventional branch structure of a wire harness.

26 (A), (B), and (C) are schematic diagrams for explaining connection and installation work of devices in a conventional branch structure of a wire harness.

[Explanation of symbols]

 11 main line 12 electric wire 13 branch line 16 path regulation member 17A, 17B mounting part 18 hinge part 21 meter 27 audio device 34 equipment 51A, 51B hard tube 55 mesh tube 56 jig

Claims (11)

[Claims] 1. A branch line for connecting a device from a trunk line of a wire harness is branched, and the length of the branch line corresponds to a state in which the device is attached to a vehicle body side.
In the case where the length is set to include a margin for connecting work, at least one position of the branch line is a bendable flexible part, and the part other than the flexible part of the branch line is almost A branch structure of a wire harness, characterized in that it is a non-flexible portion that holds a straight state. 2. A route restricting member fixed to the branch line, comprising at least two hard mounting parts and at least one bendable hinge part connecting the mounting parts in series. The member is attached to the branch line, and a portion of the branch line corresponding to the attachment portion constitutes the non-flexible portion, and a portion of the branch line corresponding to the hinge portion constitutes the flexible portion. The branch structure of the wire harness. 3. The branch structure for a wire harness according to claim 2, wherein the route restricting member includes an elastic member that elastically biases the hinge portion so that the hinge portion is bent. 4. The route regulating member is fixed to the wire harness by wrapping an adhesive tape around the mounting portion and the outer periphery of the wire harness.
The branch structure of the wire harness according to any one of 1. 5. The route regulating member is fixed to the wire harness by winding a tightenable band member around the mounting portion and the outer periphery of the wire harness. The branch structure of the wire harness according to item 1. 6. The branch structure for a wire harness according to claim 1, wherein the path regulating member is provided with a locking portion for locking on the vehicle body side. 7. At least two hard tubes are inserted and fixed to the branch line at intervals, and the portion of the branch line to which the hard tube is fixed constitutes the non-flexible portion, and between the hard tubes of the branch lines. The branch structure of the wire harness according to claim 1, wherein a portion corresponding to the spacing portion constitutes the flexible portion. 8. The non-flexible portion is formed by winding an adhesive tape a required number of times in a range of a required length at least at two positions on the branch line so that the unwound portion of the adhesive tape can be formed. The wire harness branching structure according to claim 1, wherein the wire harness is a flexible portion. 9. The wire according to claim 7, wherein the flexible portion of the wire constituting the branch line is made different in length so that the flexible portion is bent and bent. Branch structure of wire harness. 10. The branch structure of the wire harness according to claim 7, wherein a flexible mesh tube is inserted into the flexible portion of the branch line. 11. A branch line for connecting a device from a trunk line of a wire harness is branched, and the length of the branch line is set to a length corresponding to a state in which the device is mounted on the vehicle body side. The length of the branch line is set to a non-flexible portion that maintains a substantially straight state, and the branch line rotates about the branch point as a fulcrum. The branch structure of the wire harness that is doing.