JP3969276B2 - Automotive wire harness - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an automobile wire harness, and more particularly, to an automobile wire harness that can be easily routed to a vehicle body.
[0002]
[Prior art]
Conventionally, a vehicle body panel of an automobile is made of metal, and a wire harness arranged in an automobile is positioned and fixed by inserting and locking a clamp attached to the wire harness into an engagement hole formed in the panel.
For example, in the case of a tailgate of a hatchback type automobile, a wire harness for supplying power to a high-mount stop lamp, wiper, rear heating wire, key switch, etc. is provided on a door panel comprising an outer panel and an inner panel supplied from a component manufacturer. In a vehicle assembly line (main line) of a car manufacturer, the wire harness is locked and positioned on the panel with a clamp, and the arrangement is made.
[0003]
[Patent Document 1]
Japanese Patent Laid-Open No. 11-336721
[Problems to be solved by the invention]
However, in the case where a wire harness not attached with a clamp for positioning is arranged on the panel, there is no clip at a reference position for positioning on the panel, and there is a problem that alignment is difficult because there is no mark.
Therefore, as shown in FIG. 11, the reference position for positioning the wire harness 1 wound around the tape 2 on the vehicle body is wrapped around the reference tape 3 for different colors to clarify the reference position. It may be possible to prevent incorrect assembly and improve workability.
[0005]
However, in the manufacturing process of the wire harness 1, the use of the different color identification tape 3 increases the types of tapes 2 and 3. Therefore, there is a problem that the workability is lowered and the cost is increased.
[0006]
The present invention has been made in view of the above problems, and it is an object of the present invention to provide a wire harness that can be easily routed to a vehicle body without increasing costs even when there is no positioning clamp or the like.
[0007]
[Means for Solving the Problems]
In order to solve the above problems, the present invention is an automotive wire harness that is routed in a space surrounded by an outer panel and an inner panel made of a fiber-reinforced resin molded article,
Reinforcing ribs are integrally formed on one of the inner panel and the outer panel at intervals in a direction perpendicular to the wiring harness wiring direction, and a pair is provided between the adjacent reinforcing ribs. While the wire harness fixing part consisting of the winding piece and the stop piece is integrally molded,
A plurality of wire bundles of the wire harness are wound with a tape and bundled, and at the reference position for positioning the wire bundle, the tape winding is half-wrapped and the other part is roughly wound,
The reference position of the wire harness wired in a state of being matched to the positioning portion made of the reinforcing ribs, in the wire harness fixing portion by inserting the wire harness between the winding strip and stopping piece, the wire harness A wire harness for automobiles, wherein the wire harness is positioned and held by bending the wound piece along the outer periphery of the wire and inserting and locking the curved wound piece into the stop piece. Is provided.
[0008]
With the above configuration, even when a wire harness not attached with a clamp or the like is routed to the vehicle body, the reference position can be easily visually recognized as a mark by winding the tape as described above. Since alignment becomes easy, wire harness arrangement workability improves.
Moreover, since the reference position can be identified by devising how to wind the tape as described above, only one type of tape is required to bind the wire bundle, and the increase in the number of parts is suppressed, and the tape The winding work is also performed in only one step, so that it is possible to prevent the workability of the wire harness from being lowered and the cost can be reduced.
[0009]
Specific means for changing the winding of the tape at the reference position of the wire bundle, it is the other parts with rough winding with a tape winding of the reference position and the half lap winding.
[0010]
As described above, the wire harness of the present invention is formed by resin molding an inner panel and an outer panel of an automobile, and a space surrounded by the inner panel and the outer panel is used as a routing space for the wire harness. as the positioning portion on the Symbol reinforcing ribs provided on one of the outer panel, and the reference position and cabling in a state of being matched to the positioning unit.
[0011]
That is, as described above, the wire harness fixing portion for fixing the wire harness can be integrally formed on the panel side by resin-molding the inner panel and the outer panel, which are the routing points of the wire harness. can, for that it is not necessary to the positioning and locking of the vehicle body as in the conventional band clamp or the like is attached to the wire harness.
Further, the reinforcing rib is integrally formed on the panel, and the reference position of the wire harness is aligned with the reinforcing rib .
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described with reference to the drawings.
1 to 6 show a first embodiment.
FIG. 1 shows a tailgate 10 of a hatchback type automobile.
The tailgate 10 joins the glass G to the opening of the outer panel 11 made of a fiber reinforced resin molded product, and joins the inner panel 12 made of a resin molded product to the inner surface side of the outer panel 11, in the space inside the glass. Wire harness W / H1 is arranged.
[0013]
As shown in FIG. 2, the wire harness W / H1 is bundled by roughly winding B with a tape T in a state where a plurality of electric wires W are bundled, and half-wrapping at a position corresponding to the reference position X for positioning. A. That is, by changing the winding method of the tape T at the reference position X for positioning to the inner panel 12 using one tape T, the reference position X of the wire harness W / H1 can be easily visually confirmed. .
Note that the width L of the half wrap winding portion A serving as the reference position X is about 30 to 70 mm.
[0014]
As shown in FIG. 3, the inner panel 12 has a main body 12a having a bottom wall 12a-1 projecting toward the inner surface, both side walls 12a-2, and an adhesive fixing flange 12a projecting from both side walls 12a-2. -3.
Reinforcing ribs 12b that stand from the bottom wall 12a-1 and connect both side walls 12a-2 are integrally formed in the main body 12a having a concave cross section. These ribs 12b are provided at a necessary interval in the wiring direction of the wire harness W / H1, and are erected in a direction orthogonal to the wiring direction of the wire harness W / H1.
[0015]
A wire harness fixing portion 14 made up of a pair of winding pieces 14a and stopper pieces 14b is formed in an integral manner at a central position between adjacent ribs 12b of the inner panel 12 with a spacing along the routing path. is doing.
The amount of protrusion of the winding piece 14a is not less than a half circumference of the wire harness, and is an elongated flat plate shape having a wide surface in the wiring harness routing direction, and is provided with an insertion groove cut from the tip thereof to provide a locking portion 14a-1. It is said. On the other hand, stopping piece 14b which protrude to face apart between guide empty winding piece 14a and a wire harness inserted through a direction orthogonal to the wire harness cabling direction elongated flat plate shape and a wide surface, the winding strip Similarly to 14a, an insertion groove cut from its tip is provided to form a locked portion 14b-1.
[0016]
The outer panel 11 is integrally formed by pouring a fiber reinforced resin, which is a mixture of glass fiber and resin such as polypropylene, into a mold incorporating a spoiler (air resistance adjusting plate) or garnish (decorative plate).
[0017]
As shown in FIG. 4, the routing procedure of the wire harness W / H1 to the inner panel 12 is performed by using the reinforcing rib 12b also as the positioning portion of the wire harness W / H1 and using the tape T of the wire harness W / H1. The reference position X in which the half wrap winding A is performed is aligned with the reinforcing rib 12b of the inner panel 12, and the wire harness W / H1 is inserted between the winding piece 14a and the stopper piece 14b.
Then, as shown in FIGS. 5A and 5B, the winding piece 14a is curved along the outer periphery of the wire harness W / H1 inserted between the winding piece 14a and the stopper piece 14b. The wire harness W / H1 is fixed by inserting and locking the locking portion 14a-1 of the winding piece 14a to the locked portion 14b-1 of the stopper piece 14b and positioning and holding the wire harness W / H1. The inner panel 12 is arranged.
[0018]
At this time, since the reference position X of the wire harness W / H1 formed by binding the electric wire W bundle with the tape T can be easily visually recognized as a mark by the change in the winding method of the tape T, the wire harness W applied to the rib 12b. The alignment of the reference position X of / H1 is simplified and the wire harness arrangement workability can be improved.
In addition, since only one type of tape T for bundling the electric wire W bundle is required, an increase in the number of parts can be prevented, and the tape winding operation can be prevented by only one step, and the workability of the wire harness manufacturing can be prevented from being reduced. Cost reduction is possible.
[0019]
Incidentally, as shown in FIG. 7 as a reference variation of the positioning of the wire harness W / H1, wire harness fixing portion 14 (14a, 14b) by combined to the positioning portion, the reference position X of the wire harness W / H1 You may make it align with the wire harness fixing | fixed part 14. FIG.
[0020]
Next, as shown in FIG. 6, the inner panel 12 and the outer panel 11 in which the wire harness W / H1 is arranged are bonded together with an adhesive 13 that is cured by heating, and the glass G is also bonded. The same kind of adhesive 13 is interposed and attached to the outer panel 11.
As the adhesive 13 whose curing is accelerated by the heating, a thermosetting adhesive such as polyurethane, amino resin, phenol resin, epoxy resin, unsaturated polyester, thermosetting acrylic resin, polyimide and / or silicon resin is used. In particular, urethane adhesives are preferably used.
[0021]
From the above state, the entire tailgate 10 is subjected to a heat treatment so that the ambient temperature is about 70 to 140 ° C., whereby the adhesive 13 is thermally cured, and a plurality of bonded portions are collectively bonded together.
In this embodiment, thermosetting is performed at an ambient temperature of 80 ° C. using a urethane adhesive, and it is possible to use a general-purpose wire harness without using a heat-resistant wire harness W / H. .
[0022]
In addition, as a method of fixing the wire harness W / H1 to the inner panel 12, instead of the wire harness fixing portion 14, the same type of adhesive 13 may be used for adhesive fixing, or both may be used for fixing. Also good. In the present embodiment, the wire harness W / H fixing structure is provided on the inner panel 12 side, but may be provided on the outer panel 11 side. Further, the outer panel side may be a resin molded product, the inner panel side may be a fiber reinforced resin molded product, or both the outer panel side and the inner panel side may be a fiber reinforced resin molded product, or the outer panel side. Both the inner panel side and the inner panel side may be resin molded products.
[0023]
FIG. 8 shows a reference second embodiment.
The difference from the first embodiment is that a plurality of electric wires W are bundled by being wrapped with a half wrap A with a tape T, and at the same time, the reference for positioning the inner panel 12 to the wire harness fixing portion 14 At position X, the wire harness W / H2 is formed by rough winding B.
That is, by changing the winding method of the tape T at the reference position X for positioning to the inner panel 12 using one tape T, the reference position X of the wire harness W / H2 can be easily visually confirmed. The routing workability of the wire harness W / H2 is improved.
Since other configurations are the same as those of the first embodiment, description thereof is omitted.
[0024]
FIG. 9 shows a reference third embodiment.
The difference from the second embodiment is that a plurality of electric wires W are bundled with a tape T in a state of being bundled with a tape T, and the reference is used for positioning the inner panel 12 to the wire harness fixing portion 14. At the portion corresponding to the position X, the tape T is not wound and the wire harness W / H3 is formed as the non-tape wound portion C.
That is, by exposing the electric wire W at the reference position X for positioning to the inner panel 12, the reference position X of the wire harness W / H3 can be easily visually recognized, and the wiring work of the wire harness W / H3 Improves sex.
Since other configurations are the same as those of the first embodiment and the reference second embodiment, description thereof will be omitted.
[0025]
FIG. 10 shows a reference fourth embodiment.
The difference from the third embodiment is that a plurality of electric wires W are bundled, and only a portion corresponding to a reference position X for positioning the inner panel 12 to the wire harness fixing portion 14 is half-wrapped A with a tape T. However, the other part is not wound with the tape T, and the wire harness W / H4 is formed as the non-tape wound part C.
That is, by winding the tape T only at the reference position X for positioning on the inner panel 12, the reference position X of the wire harness W / H4 can be easily visually recognized, and the wiring workability of the wire harness W / H4 is improved. Has improved.
Since other configurations are the same as those of the first, reference second, and third embodiments, description thereof is omitted.
[0026]
【The invention's effect】
As is clear from the above description, according to the present invention, even when arranging a wire harness that is not attached with a clamp or the like for positioning to the vehicle body, by devising how to wind the tape as described above. The reference position for positioning the wire harness can be easily recognized, and the wiring workability of the wire harness to the vehicle body can be improved. Further, since only one type of tape for bundling the wire bundle is required, an increase in the number of parts is prevented, and the tape winding operation is performed in only one step, so that the workability of manufacturing the wire harness is improved and the cost is prevented. be able to.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a tailgate according to a first embodiment of the present invention.
FIG. 2 is a side view of the wire harness.
FIG. 3 is a partial cross-sectional perspective view of an inner panel.
FIG. 4 is a cross-sectional view of a state in which the wire harness is positioned on the inner panel .
5A is a cross-sectional view showing a state where the wire harness is fixed by the wire harness fixing portion, and FIG. 5B is another cross-sectional view.
6 is a cross-sectional view taken along the line II of FIG.
FIG. 7 is a cross-sectional view of a reference modification.
FIG. 8 is a side view of a wire harness according to a second embodiment.
FIG. 9 is a side view of a wire harness according to a third embodiment.
FIG. 10 is a side view of a wire harness according to a fourth reference embodiment.
FIG. 11 is a side view of a conventional wire harness.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Tailgate 11 Outer panel 12 Inner panel 12a Gutter part 12b Rib 13 Adhesive 14 Wire harness fixing part 14a Winding piece 14b Stopping piece A Half wrap winding part B Rough winding part C Non-tape winding part G Glass T Tape W / H1 -4 Wire harness W Wire X Reference position

Claims (1)

A wire harness for automobiles arranged in a space surrounded by an outer panel and an inner panel made of a fiber reinforced resin molded product,
Reinforcing ribs are integrally formed on one of the inner panel and the outer panel at intervals in a direction perpendicular to the wiring harness wiring direction, and a pair is provided between the adjacent reinforcing ribs. While the wire harness fixing part consisting of the winding piece and the stop piece is integrally molded,
A plurality of wire bundles of the wire harness are wound with a tape and bundled, and at the reference position for positioning the wire bundle, the tape winding is half-wrapped and the other part is roughly wound,
The reference position of the wire harness wired in a state of being matched to the positioning portion made of the reinforcing ribs, in the wire harness fixing portion by inserting the wire harness between the winding strip and stopping piece, the wire harness A wire harness for automobiles, wherein the wire harness is positioned and held by bending the wound piece along the outer periphery of the wire and inserting and locking the curved wound piece into the stop piece. .

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