JPH08212833A - Wire harness and its manufacture - Google Patents

Abstract

PURPOSE: To provide a wire harness with a thin and simple structure. CONSTITUTION: Flat wires 12 having exposed parts 19 formed by peeling insulating members on the end parts are bundled in a branched form to form a branched part 14 and branch parts 15 branched from the branched part 14, the exposed parts 19 are neatly arranged in the top end of each branched part 14 to arrange the flat wires 12 in parallel within the same plane. A conductor connecting tape 20 and an insulating member reinforcing tapes 21 are stuck to both the surfaces, whereby a terminal part 22 is formed. Thus, the terminal part can be formed into a thin and simple structure, and is excellent in narrow space wiring, and the cost can be also reduced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wire harness used for internal wiring of automobiles and office automation equipment.

[0002]

2. Description of the Related Art A conventional wire harness is formed by cutting a plurality of round electric wires each having a conductive wire covered with an insulating member into a predetermined length, peeling off an insulating member at an end thereof, and crimping the exposed conductive wire. After installing the terminals, arrange the round electric wires in a branch shape according to the wiring diagram on the wiring harness assembly drawing board, bind the round electric wires with a binding member such as tape or tube, and It was manufactured by inserting the end of the attached round electric wire into a connection connector.

Then, by inserting this connecting connector into a connected connector in the device, internal wiring in the device is performed.

[0004]

However, in the conventional wire harness, after the crimp terminal is attached to the end of the round electric wire, the round electric wire is arranged along the wiring diagram on the wiring harness assembly drawing board. Since the crimp terminal is inserted into the connection connector, the end of the wire harness becomes large and presses other parts in the device, and its structure and manufacturing process become complicated, resulting in cost increase. There was a problem.

Therefore, the present invention has been made to solve the above problems, and an object thereof is to reduce the cost by simplifying the structure and manufacturing process of the wire harness and to downsize the wire harness. And

[0006]

In order to solve the above-mentioned problems, in the wire harness according to claim 1 of the present application, the insulating member at the end of the flat electric wire formed by coating the rectangular conductor with the insulating member is peeled off. To form an exposed part consisting of a rectangular conductor,
A plurality of branch portions and a plurality of branch portions branching from the branch portions are formed by bundling the flat electric wires in a branched shape in the respective intermediate regions, and the exposed portions at the tips of the branch portions are aligned and are the same. It is characterized in that the terminals are formed by arranging them in parallel in a plane and attaching a conductor connecting tape on one side thereof from the exposed portion to the insulating member near the exposed portion.

According to a second aspect of the present invention, the flat electric wires are arranged in parallel in the same plane over substantially the entire area of each branch portion, and an intermediate connecting tape is attached to an insulating member on one side of the flat electric wires. Good.

According to a third aspect of the present invention, in the method for manufacturing a wire harness, the insulating members at the ends of a plurality of flat electric wires each having a rectangular conductor covered with an insulating member are peeled off to form an exposed portion made of the rectangular conductor. Then, according to the wiring diagram on the wire harness assembly drawing board in which a plurality of first fixing frames in which a plurality of first holding grooves that fit into the exposed portion are arranged, are arranged, The branch parts are arranged in a branch shape to form a branch part and a plurality of branch parts branching from the branch part, and the branch parts are bound by a binding member, while the exposed part of the tip of each branch part is the first part.
In a state where the terminals are arranged in parallel on the same plane by being fitted and positioned in the fixed frame, the conductor connecting tape is attached from the exposed portion on one surface side to the insulating member near the exposed portion to form the terminal portion. Characterize.

Further, in the method of manufacturing the wire harness according to the present invention, the insulating members at the ends of the plurality of flat electric wires formed by covering the rectangular conductor with the insulating member are peeled off to form the exposed portion made of the rectangular conductor. Then, according to the wiring diagram on the wire harness assembly drawing board in which a plurality of first fixing frames in which a plurality of first holding grooves that fit into the exposed portion are arranged, are arranged, The branch part and a plurality of branch parts branching from the branch part are formed in a branch shape, and the branch parts are bound by a binding member, while the exposed part of each branch end is exposed to the first fixing frame. After the insulating member reinforcing tape is attached to the insulating member in the vicinity of the exposed portion on the one surface side in a state of being arranged side by side by being fitted and positioned in the first fixing frame, it is removed from the first fixing frame and the other surface From the exposed portion of the side of the vicinity of the exposed portion Paste conductor connecting tape toward the edge member, characterized in that the formation of the terminal portions.

According to a fifth aspect of the present invention, a plurality of flat electric wires each having a flat conductor covered with an insulating member are provided with a plurality of second holding grooves which can be fitted into the flat electric wires. A plurality of second fixing frames are arranged in a branch shape along a wiring diagram on a wiring harness assembly drawing board to form a branch portion and a plurality of branch portions branching from the branch portion, and the branch While the parts are bundled by a bundling member, the flat electric wires at the ends of the branch parts are fitted and fixed in the second fixing frame to be arranged in parallel in the same plane, and insulated by the insulating member on one side thereof. After attaching the member reinforcing tape, the member is removed from the second fixing frame, and the insulating member at the tip end is peeled off from the region where the insulating member reinforcing tape is attached to form an exposed portion made of a rectangular conductor. From the exposed part on the direction side, It may be formed terminal portion paste the conductor connecting tape toward member.

According to a sixth aspect of the present invention, in a wire harness, an insulating member at an end of each flat electric wire of a plurality of flat electric wire groups composed of a plurality of flat electric wires formed by covering a flat conductor with an insulating member. To form an exposed portion consisting of a rectangular conductor by peeling, the one end side of each flat wire of the plurality of flat wire groups are arranged in parallel in the same plane,
While forming a parent terminal portion by sticking a conductor connecting tape from the exposed portion on the one surface side to the insulating member near the exposed portion, the other end side of each flat electric wire is formed for each flat electric wire group. A plurality of child terminal portions are formed by arranging them in parallel on the same plane and attaching a conductor connecting tape from the exposed portion on one surface side to the insulating member near the exposed portion.

Further, in the method for manufacturing a wire harness according to the present invention, a plurality of flat electric wire groups are constituted by a plurality of flat electric wires formed by covering a rectangular conductor with an insulating member, and the end of each flat electric wire is formed. The exposed portion made of a rectangular conductor is formed by peeling off the insulating member of the section, and the flat electric wires forming the same flat electric wire group are arranged in parallel on the same plane with their ends aligned. , At one end side thereof, a conductor connecting tape is attached from the exposed portion on one surface side to the insulating member near the exposed portion, and an insulating member reinforcing tape is attached to the insulating member near the exposed portion on the other surface side. While forming a parent terminal part on the other end side, an insulating member reinforcing tape is attached to the insulating member near the exposed part on the other surface side to form a temporary terminal part, and the conductor of the temporary terminal part is formed. After cutting the strong tape between each flat wire group, attach the insulating member reinforcing tape from the exposed part on one surface side to the insulating member near the exposed part for each flat wire group to form the child terminal part. It is characterized by having done.

[0013]

According to the wire harness of the present invention constructed as described above, the exposed portions of the tips of the branch portions are aligned and arranged on the same plane, and the exposed portion is provided on one side of the exposed portion. Since the terminal portion is formed by pasting the conductor connecting tape over the insulating member in the vicinity, and this terminal portion is configured to be inserted into the connected connector on the device side, the crimp terminal is attached as in the conventional case, Since it is not necessary to insert the crimp terminal into the connection connector, the structure of the wire harness and the manufacturing process can be simplified, and the size of the wire harness can be reduced.

Further, as in the wire harness of claim 2, the flat electric wires of the branch portions are arranged in parallel on the same plane, and the intermediate connecting tape is attached to the insulating member on one side thereof. Then, each branch becomes thin.

In the wire harness manufacturing method according to the third aspect of the present invention, the first fixing frame for fitting and holding the exposed portion of each branch end is disposed on the wire harness assembly drawing board, and the first fixing frame is fixed. By forming the terminal portion using the frame, it is possible to easily obtain the terminal portion with the exposed portion accurately aligned and by a simple manufacturing method.

Further, the same operation as described above can be obtained by the structure described in claim 4.

According to a fifth aspect of the present invention, the second fixing frame is arranged on the wire harness assembly drawing board, and the insulating member is held in a state where the tip of each flat wire is fitted and held in the second fixing frame. Even if a reinforcing tape is attached, and then each flat electric wire is removed from the second fixing frame and the insulating member at its end is peeled off, the same effect as above can be obtained. The peeling of the insulating member at the end of the electric wire is not performed individually but simultaneously in a state of being arranged in parallel on the same plane, so that the length of the exposed portion is uniform.

As in the wire harness of claim 6, one end side of each flat electric wire is arranged in parallel on the same plane and a conductor connecting tape is attached to form a parent terminal portion. The other end side of the flat wire is arranged in parallel on each flat wire group for each flat wire group, and the conductor connecting tape is attached to form the child terminal portion. Since it is not necessary to insert the crimp terminal into the connection connector, the structure and manufacturing process of the wire harness can be simplified and the size thereof can be reduced. Furthermore, since the parent terminal portion branches directly to the child terminal portion, it is not necessary to bundle the branch portions, for example, and the configuration is simple.

Further, as in the method for manufacturing a wire harness according to claim 7, both ends of each flat electric wire are aligned and arranged in parallel on the same plane, and a parent terminal portion is formed on one end side of the flat electric wire. On the other end side, an insulating member reinforcing tape is attached to form a temporary terminal part, and this temporary terminal part is cut for each flat wire group to form a child terminal part. Since it is not necessary to attach the insulating member reinforcing tape to each child terminal portion, the wire harness can be easily manufactured.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment according to the present invention will be described below with reference to the drawings. FIG. 1 is a plan view of this wire harness, FIG. 2 is a perspective view of main parts of the wire harness, and FIG.
12 to 12 show a method for manufacturing a wire harness.

This wire harness is shown in FIG. 1 or FIG.
, A flat conductor 10 made of copper foil or tin-plated copper foil is covered with an insulating member 11 such as polyvinyl chloride (PVC) or polyethylene (PE) by extrusion molding to form a flat wire. 12 are formed, and the flat electric wires 12 are arranged as shown in FIG. 1 and bundled in a branch shape in an intermediate region between them (details will be described later). And the branch portion 15 that forms a branch.

At the branching portion 14, an adhesive tape 16 is wound around each flat electric wire 12, and at the branch portion 15, the flat electric wires 12 are arranged in parallel in the same plane. Intermediate connection tapes 17 are fused at two points between the ends of the parts 15.

At the end of each branch portion 15, the covering member 11 is peeled off to form an exposed portion 19 made of the rectangular conductor 10. The exposed portions 19 are aligned and arranged in parallel on the same plane even at this end, and the conductor connecting tape 20 is attached from the exposed portion 19 on the one surface side to the insulating member 11 near the exposed portion 19, and Exposed part 1 on the other side
The insulating member reinforcing tape 21 is attached to the insulating member 11 near 9 to form the terminal portion 22.

The flat conductor 12 of the flat electric wire 12 preferably has a thickness of 0.05 mm, a width of 0.3 mm, and a coating of the insulating member 11 has a thickness of about 0.1 mm.

Next, a method for manufacturing the above wire harness will be described.

First, the flat electric wire 12 is cut into a predetermined length by a cutting / peeling device as shown in FIG.
The insulating member 11 is peeled off at the cut end. That is, the flat electric wire 12 supplied from the stock reel 25 is sent out by the feed roller unit 26, and the cutting / peeling unit 2
7 is supplied. Length measuring roller 2 of this cutting / peeling section 27
When the flat electric wire 12 is fed by a predetermined length to the cutting / peeling blades 29, 29 downstream of the flat electric wire 12, the flat electric wire 12 is cut by using the cutting / peeling blades 29, 29 by a conventionally known method. Is cut, and the insulating member 11 is peeled off at the cut end. The cutting / peeling blade 29,
As shown in FIG. 4, reference numeral 29 denotes a cutting edge 31 provided with a concave blade portion 31a that substantially matches the cross-sectional shape of the rectangular conductor 10 and a tapered blade portion 31b that tapers outward from the tip of the concave blade portion 31a. The pair of cutting edges 31 are arranged so as to be openable and closable so as to face each other. Then, the flat electric wire 12 is cut by completely closing the cutting / peeling blades 29, 29, and the flat electric wire 12 is cut in that state by cutting only the insulating member 11 leaving the flat rectangular conductor 10. Cutting
The insulating member 11 at the end is peeled off by relatively moving in a direction away from the peeling blade 29 to form the exposed portion 19.

As described above, the flat electric wire 12 having a predetermined length and having the exposed portion 19 formed on the end thereof is formed as shown in FIG.

Next, the flat electric wires 12 are arranged in a branched manner on the wiring harness assembly drawing board 35 as shown in FIG. This wiring harness assembly drawing board 35 has a wiring drawing 36
Is drawn, and the first fixed frame 37 made of metal is arranged at the end of the wiring route.

As shown in FIG. 7, the first fixed frame 37 is provided with four first holding grooves 38, into which the exposed portions 19 can be fitted, in the front portion 37a thereof so as to extend in the front-rear direction. The height of the bottom portion 38a of the first holding groove 38 is higher than the upper surface of the central portion 37b of the first fixing frame 37 by the thickness of the insulating member 12. Further, the rear portion 37 of the first fixed frame 37
c is one step lower than the central portion 37b, and the double-sided adhesive tape 39 can be attached here.

Then, as shown in FIGS. 8 and 9, the end portions of the flat electric wires 12 on the wire harness assembly drawing board 35 are positioned and held by the first fixing frame 37, and the flat electric wires 12 are held.
Constitutes a branch portion 14 that branches off and a branch portion 15 that branches off there. At this time, each exposed portion 19 of each flat electric wire 12 is fitted into the first holding groove 38, and
The insulating member 11 of the flat wire 12 is adhesively fixed to the double-sided adhesive tape 39 attached to the upper surface of the rear portion 37c of the fixing frame 37. In this state, the insulating member reinforcing tape 21 is fused to the insulating member 11 in the vicinity of the exposed portion 19 on the upper side by heating (the position shown by the dashed line in FIG. 9). The above-mentioned insulating member reinforcing tape 21 is fusion-bonded to each first fixing frame 37.

Thereafter, the flat electric wires 12 are removed from the first fixing frame 37, and as shown in FIG. 10, exposed from the exposed portion on the other surface side of the surface to which the insulating member reinforcing tape 21 is attached. The conductor connecting tape 20 is attached to the insulating member 11 near the portion 19 (a portion indicated by a dotted line in FIG. 10).

Then, as shown in FIG. 11, a flat type electric wire 1
The intermediate connecting tape is obtained by inserting and holding the flat electric wire 12 in the intermediate region of the branch portion 15 into the metal third fixing frame 41 in which four third holding grooves 42 capable of fitting 2 are formed in parallel. 17 is fused by heating (a portion indicated by a dashed line in FIG. 12).

Although the wire harness as shown in FIG. 1 is manufactured as described above, the terminal portion 22 may be formed as shown in FIG.

That is, instead of the first fixed frame 37 shown in FIG. 6, a fourth fixed frame 45 shown in FIG. 13 is arranged on the wire harness assembly drawing board 35. On the upper surface side of the front portion 45a of the fourth fixed frame 45, four fourth holding grooves 46 into which the exposed portions 19 can be fitted and held are arranged side by side. The depth is shallower than the height of the rectangular conductor 10, and when the exposed portion 19 is fitted into the fourth holding groove 46, a part of the exposed portion 19 projects upward from the fourth holding groove 46. With the exposed portions 19 aligned with each other, the conductor connecting tape 20 extends from the exposed portion 19 to the insulating member 11 near the exposed portion 19 on one surface side (upper surface side) of the flat type electric wires 12 arranged in parallel on the same plane. Paste.

Further, the terminal portion 22 may be manufactured by the method as shown in FIGS.

That is, in place of the first fixed frame 37, as shown in FIG.
The second fixed frame 48 shown in FIG. 4 is arranged on the wire harness assembly drawing board 35. The front portion 48a of the second fixed frame 48
From the center portion 48b to the central portion 48b, four second holding grooves 49 into which the flat electric wire 12 can be fitted and held are juxtaposed, and the rear portion 4
In 8c, it is one step lower than the bottom surface of the holding groove 49, and the double-sided adhesive tape 39 is attached to the flat groove 12 in order to fix the flat electric wire 12 thereto.

Then, the flat electric wire 12 in which the insulating members 11 at both ends are not peeled off is attached to the wire harness assembly drawing board 35.
The branch portions 14 and the branch portions 15 are arranged on the upper side, and the flat electric wires 12 at the tips of the branch portions 15 are fitted into the second holding grooves 49, so that the ends are aligned and on the same plane. In the state of being arranged in parallel with each other, the insulating member reinforcing tape 21 is fused by heating to the insulating member 11 in the vicinity of the end portion on the one surface side (upper surface side) (a portion indicated by a dashed line in FIG. 15). After that, when the insulating member 12 is removed from the second fixing frame 48, a terminal portion 22 'before peeling of the insulating member 11 as shown in FIG. 16 is formed, which is cut in FIG.・ Peeling blade 2
By using the parallel cutting / peeling blade 29 ′ in which four nine are arranged in parallel, the insulating member 11 at the ends of the four flat electric wires 12 is simultaneously subjected to the peeling process to form the exposed portion 19, thereby forming the exposed portion 19.
Make up 2. According to the above method, four flat electric wires 12
Since the stripping process can be performed at the same time, the exposed lengths of the exposed portions 19 are uniform, and the insulating members 11 are not individually stripped, which simplifies the manufacturing method.

According to the wire harness of the first embodiment described above, the exposed portion 19 is formed by peeling off the end portion of the flat wire 12 at the end portion of each branch portion 15 thereof, and the exposed portions 19 are aligned to be flush with each other. In parallel with each other, a conductor connecting tape 20 is attached from the exposed portion 19 on one surface side to the insulating member 11 near the exposed portion 19 to form a terminal portion 22 to be inserted into a connected terminal on the device side. Since it is not necessary to attach the crimp terminal to the end of the round electric wire and insert the crimp terminal into the connector as in the conventional case, the structure is simplified and the manufacturing method is also simplified. Further, the terminal portion 22 is thin and excellent in narrow space wiring.

The branching portion 14 may be bound with a binding member such as an adhesive tape or a tube, but if the flat electric wires 12 are arranged in the same plane and the intermediate connecting tape 17 is fused, it is thin. It is more preferable because it is excellent in narrow space wiring.

Further, in this manufacturing method, the first fixing frame 37, the second fixing frame 48, the third fixing frame 41, and the fourth fixing frame 45 are connected to the wire harness assembly drawing board 35.
Since the terminals 22 are arranged on the upper side and are used to configure the terminals 22, it is possible to easily configure the terminals 22 in which the exposed portions 19 are accurately aligned.

Next, a second embodiment of the present invention will be described with reference to FIGS. That is, a plurality of flat electric wires 12 having the exposed portions 19 formed by peeling off the insulating members 11 at both ends are arranged in parallel on the same plane, and the exposed portions from the exposed portion 19 on one surface side to the exposed portions at both ends thereof are arranged. 1
While the conductor connecting tape 20 is attached to the insulating member 11 near 9 and the insulating member 1 near the exposed portion 19 on the other surface side
1, the insulating member reinforcing tape 21 is fused and the terminal portion 22 is formed, and thus the plurality of flat electric wire groups 51A, 51
B, 51C and 51D are configured. Then, the flat wire groups 51A, 51B, 51C, 51D are arranged on the wire harness assembly drawing board 35 so that the intermediate areas of the flat wire groups 51A, 51B, 51C intersect as shown in FIG. Similarly to the first embodiment, the crossing region is bundled with a tying member such as an adhesive tape or a tying band to form the branch portion 14.
Is formed, and a fusion tape is fused to each of the flat electric wire groups that are arranged in parallel and extend from the branch portion 14, or they are bound by using a binding member such as tape.

According to the second embodiment, the same effect as that of the first embodiment can be obtained, and the branched wire harness can be manufactured more easily.

Next, a third embodiment of the present invention will be described with reference to FIGS.

That is, as shown in FIG. 20, the wire harness of the third embodiment has a plurality of flat electric wires 12 of the same length in which the insulating members 11 at both ends are peeled off and exposed portions 19 are formed.
And the flat wire groups 53a and 53c each having a length different from that of the flat wire group 53a.
b and 53c are arranged in parallel on the same plane. Then, the exposed portions 19 of the flat electric wires 12 are aligned on one end side thereof, and the conductor connecting tape 20 is attached from the exposed portion 19 on the one surface side (lower surface side) to the insulating member 11 near the exposed portion 19. At the same time, the insulating member reinforcing tape 21 is fusion-bonded to the insulating member 11 near the exposed portion 19 on the other surface side (upper surface side) to form the parent terminal portion. On the other end side, the exposed portions 19 are aligned for each of the flat wire groups 53a, 53b, 53c, and conductors are provided from the exposed portion 19 to the insulating member 11 in the vicinity of the exposed portion 19 on one surface side (lower surface side) thereof. The connecting tapes 20 are respectively attached, and the insulating member reinforcing tapes 21 are fused to the insulating members 11 near the exposed portions 19 on the other surface side (upper surface side) to form the child terminal portions 53a, 53b, 53c. .

The wire harness is manufactured using, for example, the apparatus shown in FIG.

That is, as in the case of the cutting / peeling device shown in FIG.
The flat electric wires 12 supplied via the
The length measuring roller 28 according to each length of 3a, 53b, 53c
The flat wire 12 is cut and the end portion is peeled off by the cutting / peeling portion 27. The cut and peeled flat electric wires 12 are sequentially fed forward and arranged in parallel, and the exposed portion 1 is provided at both ends thereof.
9 are aligned in the same row and fixedly held by the welded portion 58. After that, the insulating member reinforcing tape 21 is fusion-bonded from one surface side (upper surface side) of the both ends by heating to form the temporary parent terminal portion and the temporary child terminal portion before the conductor connecting tape 20 is attached. Then, on the temporary parent terminal portion side, the conductor connecting tape 20 is attached to the other surface side (lower surface side) to form the parent terminal portion 55. On the other hand, on the temporary terminal portion side, after the insulating member reinforcing tape 21 is cut into each flat wire group 53a, 53b, 53c, the conductor connecting tape 20 is attached to the other surface side and the child terminal portion 56a. , 56b, 56c are formed. In this way, the wire harness is manufactured.

In the wire harness of the third embodiment,
It has substantially the same effect as that of the first embodiment, and since it branches directly from the parent terminal portion 55, it is not necessary to bind the branch portion, and the configuration is simplified.

Further, in this manufacturing method, the child terminal portion 56
a, 56b, 56c are not individually formed, but the temporary terminal portion 55
Since the insulating member reinforcing tape 21 is cut into flat electric wire groups 53a, 53b, 53c after forming the same at once, the manufacturing is simple.

[0049]

As described above, according to the wire harness of the first aspect, the conductor connecting tape is attached to form the terminal portion with the exposed portions of the tips of the branch portions aligned in the same plane. Since the terminal portion is configured to be inserted into the connected connector on the device side, the structure of the wire harness and the manufacturing process can be simplified, and the cost can be reduced. Further, since it can be downsized, it is excellent in narrow space wiring without pressing other parts in the device.

When the flat electric wires of the branch portions are arranged in parallel on the same plane and the intermediate connecting tape is attached, the terminal portions as well as the branch portions can be made thin. Therefore, it is excellent in narrow space wiring.

Further, according to the wire harness manufacturing method of the third or fourth aspect, since the terminal portion is formed by using the first fixing frame, the wire harness having the terminal portion whose exposed portion is accurately aligned. Can be easily obtained.

Even in the fifth aspect, it is possible to easily obtain the wire harness including the terminal portions in which the exposed portions are accurately aligned and the lengths thereof are evenly aligned.

According to the wire harness of the sixth aspect, the same effect as that of the wire harness of the first aspect can be obtained, and since the space between the terminal portions is thinned, the wire harness is suitable for narrow space wiring. Further, since the parent terminal portion is directly branched to each child terminal portion, it is not necessary to bundle in a branched shape, and the configuration is also simplified in this respect.

Further, according to the method of manufacturing the wire harness of the seventh aspect, the insulating member reinforcing tape is attached to the other end side of each flat electric wire to form a temporary terminal part, and each temporary terminal part is formed. Since the child terminal portion is formed by cutting each flat wire group, the wire harness can be easily manufactured, which further contributes to cost reduction.

[Brief description of drawings]

FIG. 1 is a plan view showing a wire harness according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing a main part of the above wire harness.

FIG. 3 is a diagram showing a method for manufacturing the above wire harness.

FIG. 4 is a diagram showing a method for manufacturing the above wire harness.

FIG. 5 is a perspective view showing a flat electric wire of the above wire harness.

FIG. 6 is a diagram showing a method for manufacturing the above wire harness.

FIG. 7 is a perspective view showing a first fixed frame.

FIG. 8 is a diagram showing a method for manufacturing the above wire harness.

FIG. 9 is a diagram showing a method for manufacturing the above wire harness.

FIG. 10 is a diagram showing a method for manufacturing the above wire harness.

FIG. 11 is a diagram showing a method for manufacturing the above wire harness.

FIG. 12 is a diagram showing a method for manufacturing the above wire harness.

FIG. 13 is a diagram showing a method for manufacturing the above wire harness.

FIG. 14 is a diagram showing a modification of the first embodiment.

FIG. 15 is a diagram showing a modified example of the above.

FIG. 16 is a diagram showing a modified example of the above.

FIG. 17 is a view showing a cutting / peeling blade used in the above modification.

FIG. 18 is a plan view showing a flat wire group of a wire harness according to a second embodiment of the present invention.

FIG. 19 is a diagram showing a method for manufacturing the above wire harness.

FIG. 20 is a plan view showing a wire harness according to a third embodiment of the present invention.

FIG. 21 is a diagram showing a method for manufacturing the above wire harness.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Flat conductor 11 Insulation member 12 Flat wire 14 Branch part 15 Branch part 16 Adhesive tape 17 Intermediate connection tape 19 Exposed part 20 Conductor connection tape 21 Insulation member reinforcement tape 22 Terminal part 35 Wire harness assembly drawing board 36 Wiring diagram 37th 1 fixed frame 38 1st holding groove 48 2nd fixed frame 50 2nd holding groove 53 Flat electric wire group 55 Parent terminal part 56 Child terminal part

Claims (7)

[Claims] 1. An exposed portion made of a rectangular conductor is formed by peeling off an insulating member at an end of a flat electric wire formed by coating a flat conductor with an insulating member, and an intermediate region of each of the flat electric wires. By forming a branched portion and a plurality of branch portions branched from the branched portion by bundling in a branched shape, the exposed portions of the tip of each branch portion are aligned and arranged in parallel in the same plane, and one surface thereof A wire harness in which a terminal portion is formed by sticking a conductor connecting tape on the side from the exposed portion to an insulating member near the exposed portion. 2. The flat electric wires are arranged in parallel in the same plane over substantially the entire area of each branch portion, and an intermediate connecting tape is attached to an insulating member on one side of the flat electric wires. The wire harness described in 1. 3. A first conductor which is fitted to the exposed portions by peeling off the insulating members at the ends of a plurality of flat electric wires formed by coating the flat conductors with the insulating members. According to the wiring diagram on the wire harness assembly drawing board in which a plurality of first fixing frames in which a plurality of holding grooves are arranged side by side are arranged, each flat electric wire is arranged in a branch shape to form a branch portion and the branch. While forming a plurality of branch portions branched from the portion, the branch portions are bundled by a binding member, and the exposed portions of the tips of the branch portions are fitted and positioned in the first fixing frame to be arranged in parallel on the same plane. In this state, the conductor connecting tape is attached from the exposed portion on the one surface side to the insulating member near the exposed portion to form the terminal portion. 4. A first conductor which is fitted to the exposed portion by peeling off the insulating member at the end of a plurality of flat electric wires formed by coating the flat conductor with an insulating member and forming an exposed portion made of the flat conductor. According to the wiring diagram on the wire harness assembly drawing board in which a plurality of first fixing frames in which a plurality of holding grooves are arranged side by side are arranged, each flat electric wire is arranged in a branch shape to form a branch portion and the branch. While forming a plurality of branch portions branched from the portion, the branch portions are bundled by a binding member, and the exposed portions of the tips of the branch portions are fitted and positioned in the first fixing frame to be arranged in parallel on the same plane. In this state, after the insulating member reinforcing tape is attached to the insulating member near the exposed portion on the one surface side, the insulating member reinforcing tape is removed from the first fixing frame and the insulating portion near the exposed portion is removed from the exposed portion on the other surface side. Attach the conductor connecting tape over the parts to form the terminal part. A method for manufacturing a wire harness, which is characterized in that 5. A plurality of second fixing frames, each having a plurality of second holding grooves that can fit into the flat electric wire, are arranged in parallel with each other. While forming a branch portion and a plurality of branch portions branched from the branch portion along a wiring diagram on the wiring harness assembly drawing board provided, while branching the branch portion by a binding member, After the flat electric wires at the ends of the branch parts are fitted and fixed in the second fixing frame to be arranged in parallel in the same plane, after the insulating member reinforcing tape is attached to the insulating member on one side of the flat electric wires. Detached from the second fixed frame, the insulating member at the tip of the insulating member reinforcing tape is peeled off to form an exposed portion made of a rectangular conductor, and the exposed portion on the other side is exposed from the exposed portion. Conductor connection tape over the insulating member near the exposed part A method for manufacturing a wire harness, characterized in that a terminal portion is formed by pasting. 6. A flat conductor is formed by peeling off the insulating member at the end of each flat electric wire of a plurality of flat electric wire groups composed of a plurality of flat electric wires formed by covering the flat conductor with an insulating member. An exposed portion is formed, and one end side of each flat electric wire of the plurality of flat electric wire groups is arranged in parallel in the same plane, and a conductor is provided from the exposed portion on the one surface side to an insulating member near the exposed portion. While forming a parent terminal portion by pasting a connecting tape, the other end side of each flat electric wire is arranged in parallel in the same plane for each flat electric wire group, and from the exposed portion on one side thereof. A wire harness, wherein a plurality of child terminal portions are formed by attaching a conductor connecting tape to the insulating member near the exposed portion. 7. A flat conductor is formed by forming a plurality of flat wire groups from a plurality of flat wires formed by coating a flat conductor with an insulating member, and peeling off the insulating member at the end of each flat wire. Forming an exposed part, and arranging both ends of the flat electric wires forming the same flat electric wire group in the same plane in a state where they are adjacent to each other, and the one end side of the one exposed surface is exposed. Portion to an insulating member near the exposed portion, a conductor connecting tape is attached, and an insulating member reinforcing tape is attached to the insulating member near the exposed portion on the other surface side to form a parent terminal portion, while the other end is formed. Side, the insulating member reinforcing tape is attached to the insulating member near the exposed portion on the other surface side to form a temporary terminal portion, and the conductor reinforcing tape of the temporary terminal portion is cut between the flat wire groups. After each flat type A method for manufacturing a wire harness, characterized in that an insulating member reinforcing tape is attached from the exposed portion on one surface side to the insulating member near the exposed portion for each wire group to form a child terminal portion.