JPH11180228A - Mounting structure of wire harness - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mounting structure of a wire harness by which not only the handling of the wire harness can be improved when the wire hardness is mounted on a rear face of an instrument panel of a vehicle and the wire harness can be easily mounted on a car body panel or the like, but also the connection with an electrical equipment and the assembling work to the vehicle can be simplified, and further the generation of noise can be prevented. SOLUTION: A reinforce 1 has a structure divided into two, that is, an upper reinforce 1A and a lower reinforce 1B. A wire harness 2 is distributed inside of the reinforce 1 in a longitudinal direction, the upper reinforce 1A is fitted to the lower reinforce 1B in a state that the wire harness main part 2A is stored in a recessesd groove of the lower reinforce 1B, and they are fastened and fixed by a fastening member 3. On this occasion, the lower reinforce 1B comprises a wire harness output port 5, so that the wire harness branch part 2B is taken out therefrom.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wire harness mounting structure for a vehicle or the like.

[0002]

2. Description of the Related Art In recent automobiles, the instrument panel is provided with electrical components such as meters, various switches, connection boxes, sensors, radios, and air conditioners. Electrical components such as a power window motor, an electric door mirror motor, and a door lock switch are arranged, and a wire harness formed by binding a number of electric wires for connecting these electrical components with tape or the like is arranged. Conventionally, as shown in Japanese Utility Model Application Laid-Open No. 6-51014, a number of clips are attached to a wire harness, and these clips are used to narrow the back of the instrument panel, the inside of the door panel, or the gap between the panel and the trim. Fixed along the routing path of the space.

[0003] In addition, the wire harness is liable to be damaged by coming into contact with other adjacent parts due to the vibration of the vehicle or the like. In order to prevent the damage, conventionally, a wire harness such as a corrugated tube or a resin protector is used. The current situation is that the protective parts are attached to the wire harness.

[0004] The wire harness does not have a fixed shape because it is simply a bundle of electric wires bound together with a tape or the like, and therefore, its shape changes due to its own weight. For this reason, the wiring harness is difficult to handle when it is mounted on a vehicle, and as a result, a great deal of labor and time are required for assembling the wire harness to the vehicle body.

[0005] Further, in the conventional wire harness, a clip is used as a fixture for attachment to a vehicle body panel or the like.
In addition, the use of tube protectors to protect from interference and contact with other parts has increased the number of parts due to these parts, which not only causes an increase in cost and work load, but also There was a problem that the harness itself became a factor that would be unnecessarily enlarged. Further, when a protection component is attached to the wire harness, there is a problem that abnormal noise is easily generated due to collision of the protection component with other components due to vibration or the like.

[0006]

SUMMARY OF THE INVENTION The present invention improves the handleability of a wire harness when attaching the wire harness to the back surface of an instrument panel of a vehicle, and is not only easy to attach to a vehicle body panel and the like, but also improves the handleability. It is an object of the present invention to provide a wiring harness mounting structure that can simplify connection with electric components and assembling work to a vehicle, and can avoid generation of abnormal noise.

[0007]

According to the present invention, in order to solve the above-mentioned problems, a wiring harness routing route is set in a space inside a reinforce provided in a vehicle as a route along the reinforce. And a wire harness mounting structure characterized by being integrated. Further, according to the present invention, there is provided a mounting structure for a wire harness in the above configuration, wherein the reinforce has a two-part structure. Further, according to the present invention, in the above configuration, the reinforce is divided into an upper reinforce and a lower reinforce, and the upper reinforce and the lower reinforce each have a biting portion that bites each other in a portion where both reinforces are joined. Is provided. Further, according to the present invention, there is provided a mounting structure for a wire harness, wherein in the above-described configuration, each of the engaging portions is formed in a roll shape. Further, according to the present invention, in the above configuration, the first positioning for surrounding and supporting the trunk portion and the branch line portion of the wire harness in a T-shape at the branch portion of the wire harness routed inside the reinforce. A wire harness mounting structure characterized by disposing members is provided. Further, according to the present invention, there is provided a wire harness mounting structure in which, in the above configuration, a second positioning member that surrounds and supports the wire harness is arranged at a portion where the wire harness of the reinforce penetrates. Is done.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail.
The mounting structure of the wire harness according to the present invention is characterized in that the wiring harness is inserted and integrated into a space inside the reinforce provided in the vehicle, with the wiring route of the wire harness as a route along the reinforce. I do. In this way, by inserting and integrating the wire harness into the space inside the reinforce, the wire harness became a module with extremely excellent handleability, and the shape of the wire harness was defined in the reinforce, and had a constant shape. It becomes a wire harness, and the handling of the harness and the workability of assembling it to a vehicle body panel and the like, which are problems of the conventional wire harness, can be greatly improved. In the present invention, a structure in which the reinforce is divided into two in the longitudinal direction can be employed. After inserting the wire harness into the concave groove of one of the two reinforces, the other two reinforces are combined, and then fixed using a conventionally known fastening member. It is preferable that the reinforce of the above-mentioned two-part structure has a biting portion that bites each other at a portion where the two meet. In this case, it is preferable that the shape of the engaging portion is formed in a roll shape. In the present invention, the first positioning member that surrounds and supports the trunk portion and the branch portion of the wire harness in a T-shape can be arranged at the branch portion of the wire harness routed inside the reinforcement. Further, in the present invention, a second positioning member that surrounds and supports the wire harness can be arranged at a portion where the wire harness of the reinforcement penetrates, that is, at a terminal portion of the main wire harness.

[0009]

Next, the present invention will be described in more detail with reference to examples. FIG. 1 is a view showing a first embodiment of the present invention, wherein 1 is a reinforce, 2 is a wire harness, 3 is a fastening member, and 4 is a fixture. The reinforce 1 has a structure divided into an upper reinforce 1A and a lower reinforce 1B. Wire harness 2 is main line 2A
And the branch line portion 2B, and the branch line portion 2B branches from the trunk line portion 2A in a T-shape. The wire harness 2 has a wiring route extending in the longitudinal direction inside the reinforce 1 and the upper reinforce 1A is combined with the lower reinforce 1B in a state where the wire harness trunk 2A is accommodated in the concave groove of the lower reinforce 1B, for fastening. It is fastened and fixed by the member 3. At this time, a wire harness outlet 5 is formed in the lower reinforcement 1B, from which the wire harness branch 2B is taken out. As the fastening member 3, a conventionally known belt-shaped member may be used, or a member having a structure that is fixed by a bolt or the like may be used.

With the above-described structure, the module is formed by integrating the wire harness 2 with the reinforce 1, so that the vehicle assemblability is improved, the conventional dead space can be effectively used, and the rear surface of the instrument panel can be used. The interference between the equipment arrangement and the wiring harness wiring route is eliminated, a straight wiring route is secured, and the design becomes very simple. In addition, since the reinforce 1 can appropriately support the weight of the wire harness 2, the number of fixing clips used can be significantly reduced, and the number of protectors can be reduced. Reinforce 1 and wire harness 2
Is modularized, the work of the assembly line in manufacturing is reduced. Therefore, a wire harness mounting structure that is low in cost, has good assemblability, and is easy to design and control quality.

FIG. 2 shows a second embodiment of the present invention.
This is an example in which a wire harness is inserted and integrated into a two-part reinforce as in FIG. 1, but here, a branch part protector and a terminal holding member are used. FIG.
(A) shows a state in which the branch-portion protector is attached to the branch portion of the wire harness, inserted into and fixed to the lower reinforce, and the upper reinforce is not shown. FIG. 2B shows a state before the branch portion protector and the end holding member are attached to the branch portion of the wire harness. In FIG. 2, reference numeral 11 denotes a lower reinforce;
Is a wire harness, 12A is a trunk line portion, 12B is a branch line portion, 13 is a protector for a branch portion, 14 is an end holding member,
Reference numeral 15 denotes a binding tape, and reference numeral 16 denotes a fixture. The protector 13 includes a first part 18 and a second part 19 joined via a hinge 17 as shown in FIG. The first part 18 and the second part 19 are hinge 17
And a substantially symmetrical shape around the center. First part 18
A first semi-cylindrical body 20, a first half part 22 branched at a right angle from a side near the center of the first semi-cylindrical body 20,
The first semi-cylindrical body 20 comprises projections 24A and 24B having different heights provided on outer peripheral portions at appropriate positions on both sides, respectively.
At both ends of the first semi-cylindrical body 20, a plurality of slits 26 extending in the axial direction of the trunk 12A of the wire harness 12 are formed and arranged in the circumferential direction. The second part 19 is
A second semi-cylindrical body 21, a second half portion 23 branched at a right angle from a side near the center of the second semi-cylindrical body 21, Projections 25A and 25B having different heights are provided on the outer peripheral portion, respectively.
A plurality of slits 27 extending in the axial direction of the trunk line portion 12A,
It is formed in the circumferential direction. First and second half portions 22,
23 is an upper reinforce and a lower reinforce 11
Annular grooves 28 and 29 respectively fitted in a part of the pipe wall of
And bellows structure parts 30 and 31. In addition, the end holding member 14 is joined by a hinge 35 and has a first half portion 3 having a shape substantially symmetric about the hinge 35.
6 and a second half portion 37. The first and second half portions 37 are annular grooves 3 respectively fitted to a part of the tube wall of the upper reinforce and the lower reinforce 11.
8, 39.

First, the protector 13 divided into two parts is attached to the branch part of the wire harness 12, and the first part 18 and the second part 19 are put together and taped with a tape 15. At this time, the first half-cylindrical body 20 and the second half-cylindrical body 21 surround the wire harness trunk 12A, and the first half 22 and the second half 23 are connected to the wire harness branch. Surround the part 12B.
Similarly, the terminal holding member 14 divided into two parts is attached to the terminal part of the wire harness 12, the first half part 36 and the second half part 37 are put together, and the tape 15 is taped. At this time, the first half portion 36 and the second half portion 37 surround the end of the wire harness 12. Next, the wire harness 12 to which the protector 13 and the end holding member 14 are attached is pushed into the wiring groove G of the lower reinforce 11 to be housed, and the bellows structure portions 30 and 31 are expanded and contracted, so that the first and second wires are extended. Half part 2
2, 23 annular grooves 28, 29 are inserted into the lower reinforce 11
Into the wire harness take-out part 11 '. In addition, the annular grooves 38 and 39 of the end holding member 14 are similarly fitted and fixed in the wire harness take-out portion 11 '. Thereafter, the upper reinforces are combined and fastened and fixed with a fastening member.

With the above configuration, the following effects can be obtained in addition to the effects of the first embodiment. That is, the variation in the outer diameter and the difference in the dimensions of the wire harness 12 are effective due to the slits 26 and 27 formed at both ends of the first and second semi-cylindrical bodies 20 and 21 during taping with the tape 15. Is absorbed. Since the wire harnesses 12 having different outer diameters can be attached in this manner, the number of types of holding components can be reduced, and the depreciation cost of the mold, the component management cost, and the like can be reduced. On the other hand, with respect to the difference in the size of the routing groove G, the protrusions 24A, 24B, 25A, 25B having different heights provided on the outer periphery of the appropriate places on both sides of the first and second semi-cylindrical bodies 20, 21 are provided. Corresponds.
Thus, it is possible to stably support the wire harness 12 by absorbing the difference in the dimensions of the wiring grooves. Also,
At this time, since the wire harness 12 is supported by a large number of elastic projections 24A, 24B, 25A, 25B, it has a vibration damping effect against vibration, and can prevent generation of abnormal noise and damage to the wire harness. . In addition, the routing groove G
The length of the sleeve on the side of the branch line according to the above dimension is dealt with by making a part of the half portions 22 and 23 have a bellows structure. Further, the protector 13 and the end holding member 14 have an effect of protecting a portion where the wire harness is taken out of the reinforcement. Further, since the protector 13 determines the branch line branching position, it serves as a reference for the wiring harness mounting position. Since the branch position of the branch portion is determined by the protector 13, the wire length of the wire harness 12 may be controlled by controlling the wire length from the branch position to the connection connector. Some extra length absorption becomes possible.

Next, the integration of the upper reinforce and the lower reinforce divided into two parts will be described. The fastening member may be used as described above, but FIG.
As shown in (b), it is also desirable to adopt a structure in which the mating portion of the upper reinforce and the lower reinforce is alternately bent inward and outward at a fixed pitch to form an occlusal portion and engage. In the figure, 51 is an upper reinforce, 52 is a lower reinforce, 53, 54, 53 ', 54' are occlusal parts, 55 is a protector, and 56 is a wire harness. In this way, mutual positioning is possible,
Withstands the vertical fastening force, the amount of deformation can be reduced, the longitudinal displacement can be prevented, and the axial load can be uniformly supported over the entire length without buckling. Especially,
When the bite portions 53 'and 54' are rolled as shown in FIG. 3B, the bending rigidity in the longitudinal direction can be further reinforced.

[0015]

According to the present invention, since the above configuration is employed, a module in which the reinforce and the wire harness are integrated is provided, and the handleability of the wire harness is improved, and the assembling work can be simplified. The cost can be reduced.

[Brief description of the drawings]

FIG. 1 is an explanatory view of a first embodiment of the present invention, wherein (a) is an exploded perspective view, (b) is a perspective view showing a mounted state, and (c).
Is a cross-sectional view as viewed from the arrow B. FIG.

FIGS. 2A and 2B are explanatory views of a second embodiment of the present invention, wherein FIG. 2A is a perspective view showing a state where a wire harness is inserted into and fixed to a lower reinforcement, and FIG. It is explanatory drawing of a mounting relationship.

FIG. 3 is an explanatory diagram of an occlusion portion of an upper reinforce and a lower reinforce.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Reinforce 1A Upper reinforce 1B Lower reinforce 2 Wire harness 2A Trunk part 2B Branch part 3 Fastening member 11 Lower reinforce 12 Wire harness 12A Trunk part 12B Branch part 13 Protector 14 Terminal holding member 15 Lowering tape 51 Upper reinforce Reinforce 53, 53 ', 54, 54' Occlusal part 55 Branch part protector 56 Wire harness

(72) Inventor Hiroshi Sudo 1-7-10 Kikuzumi, Minami-ku, Nagoya-shi Harness Research Institute

Claims (6)

[Claims] 1. A wire harness mounting structure wherein a wire harness is inserted and integrated into a space inside a reinforce provided in a vehicle, with a wiring route of the wire harness as a route along the reinforce. . 2. The wire harness mounting structure according to claim 1, wherein the reinforce has a two-part structure. 3. The reinforce according to claim 2, wherein the reinforce is divided into an upper reinforce and a lower reinforce, and the upper reinforce and the lower reinforce each have a biting portion that bites each other at a portion where both reinforces are joined. Wiring harness mounting structure. 4. The wire harness mounting structure according to claim 3, wherein each of the engaging portions is formed in a roll shape. 5. A first positioning member that surrounds and supports a trunk portion and a branch portion of a wire harness in a T-shape at a branch portion of the wire harness routed inside the reinforce. The mounting structure of the wire harness according to any one of claims 1 to 4. 6. A second positioning member for surrounding and supporting the wire harness is disposed at a portion of the reinforce through which the wire harness penetrates.
The mounting structure of the wire harness according to any one of claims 1 to 5.