JP2003032861A - Vehicle wire holding structure of vehicle interior member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle wire holding structure which enables the cost reduction by the reduction of the number of components and the rationalization of arrangement works, the easy and reasonable recycle, etc. SOLUTION: A wire holding part 30 comprises at least three retainers 31 which are made to protrude integrally from a wall of a substrate 11 of a vehicle interior member and arranged along a planned laying route of a wiring harness WH at prescribed intervals. The wiring harness WH is retained by the retainers 31 on their sides alternately opposite to each other to make the wiring harness WH held by the wire holding part 30. Some of the retainers 31 have protrusions 33 protruding from their tips toward the wiring harness WH side to prevent the wiring harness WH held by the wire holding part 30 from falling off.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for holding a vehicle electric wire on a base material of a vehicle interior member formed into a required shape.

In vehicles such as passenger cars produced in recent years, a large number of in-vehicle electronic devices represented by, for example, an in-vehicle computer, various instrument units, various lamps such as headlights, an air-conditioner unit, etc. It is set up. Therefore, on the back side wall surface of the vehicle interior member such as the instrument panel installed in the passenger compartment, the vehicle electric wires (generally referred to as “wire harness )) Is arranged so as not to be exposed to the passenger compartment. This wire harness is classified according to its embodiment, a binding type in which a plurality of single electric wires connected to a connector or a terminal are bound by using a binding tape or a binding band, or a plurality of electric wires are integrally connected side by side. It is roughly divided into flat cable types. Such a wire harness is held along the planned installation route provided in the vehicle interior member or the vehicle body by the electric wire holding structure for a vehicle using appropriate mounting members and the like illustrated in FIGS. 6 to 8. It is arranged.

FIG. 6 shows a base material 11 which constitutes an interior member 10 of a vehicle, in which a harness holding portion 17 holds a required position of a wire harness WH and a locking convex portion 16 of a mounting member 15 mounted on the harness WH. Scheduled route 1 on the back side
The wire harness WH is a vehicle wire holding structure in which the wire harness WH is arranged along the planned path 12 by being fitted and engaged with the locking hole 18 formed along the line 2. Note that FIG. 6A illustrates a case where the binding type wire harness WH is arranged along the planned path 12 while being held,
FIG. 6B exemplifies a case where the flat cable type wire harness WH is arranged along the planned path 12 while being held.

Further, FIG. 7A shows a mounting member 20 for pressing a required position of the wire harness WH to the back side of the base material 11.
By engaging the locking projections 22, 22 protruding along the planned route 12 provided on the back side of the base material 11 to hold the wire harness WH along the planned route 12 It is an electric wire holding structure for a vehicle that is arranged. As shown in FIG. 7 (b), the mounting member 20 is formed with locking holes 21 and 21 through which the locking projections 22 and 22 can be inserted, and along the planned route 12. Wire harness WH
After setting the
Is set, and the tips of both the locking projections 22, 22 are pressed and thermally deformed by the heating die 23 so that the mounting member 20 is engaged, whereby the wire harness WH is held.

Further, FIG. 8 shows a holding portion 26 of a mounting member 25 mounted with a tape 28 or the like at a required position of the wire harness WH.
Is elastically sandwiched by a locking rib 29 projecting along the planned path 12 provided on the back side of the base material 11 constituting the vehicle interior member 10, and the wire harness WH is provided while being held. The electric wire holding structure for a vehicle is arranged along the planned route 12. A rubber piece 27 having a plurality of claw-shaped projections is arranged inside the holding portion 26 of the mounting member 25, and the rubber piece 27 is adapted to obtain an engaging force with respect to the locking rib 29. .

[0006]

By the way, in the electric wire holding structure for a vehicle interior member according to each of the above-mentioned conventional examples,
Each of the vehicle electric wire holding structures has various problems. First, in the electric wire holding structure for a vehicle shown in FIG. 6, since the mounting member 15 as a separate member is required, there is a problem that the cost is increased.
Since it requires a process to attach to the
Since the mounting member 15 engaged with the locking hole 18 is difficult to remove from the base material 11, there is an inherent problem that it is difficult to disassemble during recycling. Further, in the electric wire holding structure for a vehicle shown in FIG. 7, since the mounting member 20 as a separate member is required, there is a problem that the cost is increased, and the heating die 23 equipment for pressing and deforming the locking convex piece 22 is provided. Is required, so that the equipment cost is increased, and the step of attaching the mounting member 20 to the locking convex piece 22 is required, so that the number of work steps is increased.
Since it is impossible to remove the mounting member 20 engaged with the locking projections 22, 22, there is an inherent problem that it is difficult to disassemble during recycling. Further, in the electric wire holding structure for a vehicle shown in FIG. 8, the mounting member 25 as a separate member is required, which causes a problem of increasing cost. A step of mounting the mounting member 25 on the wire harness WH requires a work man-hour. There is an inherent problem that the mounting member 25 is likely to come off due to vehicle vibration because sufficient mounting strength of the mounting member 25 with respect to the locking rib 29 cannot be obtained. That is, each of the conventional electric wire holding structures for a vehicle requires a plurality of mounting members 15, 20, 25 as separate members, which causes an increase in cost. Various problems such as an increase in man-hours required for the mounting process and difficulty in disassembling / removing at the time of recycling are inherently present.

[0007]

DISCLOSURE OF THE INVENTION The present invention has been proposed in order to suitably solve the above-mentioned problems, and is for a vehicle using an electric wire holding portion composed of a plurality of locking holding pieces projecting from the wall surface of a base material. By arranging it on the base material while holding the electric wire, the electric wire holding structure for vehicle of the vehicle interior member that enables cost reduction due to reduction of the number of parts and rationalization of installation work and easy and rationalization of recycling etc. The purpose is to provide.

[0008]

In order to solve the above problems and achieve the intended object, the present invention is a structure for holding a vehicle electric wire on a base material of a vehicle interior member formed into a required shape. The electric wire holding portion is formed by at least three locking holding pieces that are provided so as to project on the wall surface of the base material and that are provided along the planned path of the electric wire for the vehicle at predetermined intervals. By alternately locking the locking holding pieces adjacent to each other, the electric wire for a vehicle can be held by the electric wire holding portion.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Next, a preferred embodiment of a vehicle electric wire holding structure for a vehicle interior member according to the present invention will be described.
The following is a description with reference to the accompanying drawings. The vehicle interior member is mainly composed of a base material molded into the required shape,
For example, an instrument panel installed in front of the passenger compartment, a floor console installed on the floor between the left and right seats,
The target is the door panels installed inside the left and right doors. Therefore, in the embodiment, the instrument panel 10 is exemplified as the vehicle interior member, and the vehicle electric wire holding structure provided on the instrument panel 10 will be described.

FIG. 1 is a side sectional view showing a panel base material 11 which constitutes an instrument panel 10 by breaking it at an appropriate portion in front of the passenger seat. The panel base material 11 is formed by integrally molding a polyolefin resin material such as polypropylene (PP) using an injection molding technique, and is formed into a shape assuming the design shape of the instrument panel 10. There is. In addition, in the embodiment, the single-layer type instrument panel 10 including the panel base material 11 is illustrated, but the electric wire holding structure for a vehicle of the present embodiment has the panel base material 11 and the outside of the base material 11. A skin material provided on the surface and a cushion body such as urethane foam interposed between the panel base material 11 and the skin material.
It is also possible to implement a three-layer type instrument panel composed of (not shown).

FIG. 2 is a partial perspective view of the electric wire holding structure for a vehicle, which is implemented on the panel base material 11 of the instrument panel 10 shown in FIG. 1, as viewed from below the back side of the panel base material 11. An electric wire holding structure for a vehicle according to an embodiment is provided on a rear side wall surface of the panel base material 11 and has at least three or more locking and holding portions provided along the planned route 12 of the wire harness WH at required intervals. The piece 31 constitutes the electric wire holding portion 30, and the wire harness WH as an electric wire for a vehicle is arranged on the back side wall surface of the panel base material 11 while being held using the electric wire holding portion 30. The locking and holding pieces 31 are formed simultaneously with the injection molding of the panel base material 11, and are integrally formed on the back wall surface of the panel base material 11. Each of the locking and holding pieces 31 has a plate shape that extends obliquely downward and rearward (front of the vehicle) with respect to the back surface of the panel base material 11 (FIG. 1).

In each of the three locking holding pieces 31 provided along the planned route 12, the locking holding pieces 31, 31 located on both sides are, as shown in FIG. 3, the panel base material. A surface of the wire harness WH that faces the back surface side is a holding surface 32 of the wire harness WH. Further, as shown in FIG. 4, the locking holding piece 31 located at the center has a surface not oriented toward the panel base material 11 as a holding surface 32 of the wire harness WH. Therefore, when the wire harness WH is held by the wire holding portion 30, as shown in FIGS. 2 and 5, the wire harness WH is alternately locked to the respective locking holding pieces 31 adjacent to each other. It is designed to let you.

Further, in the wire holding portion 30, the tip end of a part of the lock holding piece 31 constituting the wire holding portion 30 projects to the side of the wire harness WH locked (the holding surface 32 side). The convex portion 33 is integrally bulged. In this embodiment, the convex portion 33 is bulged on the locking and holding piece 31 located at the center, and the convex portion 33 is not formed on the locking and holding pieces 31, 31 located on both sides. . This convex portion 33 is the wire harness W held by the wire holding portion 30.
H functions to prevent the H from being detached from the locking holding pieces 31, 31, 31.

Although not shown, in the case of the wire holding portion 30 composed of three or more locking and holding pieces 31, for example, the locking and holding piece 31 having the projection 33 and the projection not having the projection 33. If the retaining pieces 31 are arranged alternately, the detachment of the wire harness WH held by the wire holding portion 30 can be effectively prevented. However, when it is necessary to surely prevent the wire harness WH arranged in the wire holding portion 30 from being detached, the convex portion 33 is provided at the tip of all the locking holding pieces 31 constituting the wire holding portion 30. It may be formed by bulging.

[0015]

In the electric wire holding structure for a vehicle of the embodiment constructed as described above, as shown in FIGS. 2 and 5, in the panel base material 11 constituting the instrument panel 10, the base material 11 is used. The wire harness WH is held by the wire holding portion 30 only by alternately locking the wire harness WH with respect to the lock holding pieces 31 formed along the planned arrangement route 12 provided on the back side. This completes the arrangement of the wire harness WH on the back side wall surface of the panel base material 11. Here, in the electric wire holding structure for a vehicle of the embodiment, when the wire harness WH is arranged on the back side wall surface of the panel base material 11, a mounting member, a screw or the like as another member shown in FIGS. Therefore, the cost does not increase with the increase in the number of parts. Moreover, each locking and holding piece 31 of the wire holding portion 30 has the above-mentioned panel base material 1
Since it is molded at the same time as 1 and is integrally formed with the base material 11, the step of molding the locking holding pieces 31 and the step of attaching the locking holding pieces 31 to the panel base material 11 are unnecessary. As a result, it is possible to significantly reduce the work man-hours.

The wire harness WH disposed on the back side wall surface of the panel base material 11 by alternately locking the locking holding pieces 31 of the wire holding portion 30 is
As shown in FIG. 2 and FIG. 4, the engagement holding piece 31 located at the center is engaged with the convex portion 33 that is bulged at the tip. Therefore, the wire harness WH held in the wire holding portion 30 is preferably prevented from being detached from the wire holding portion 30 due to vehicle vibration or the like.

On the other hand, in the wire harness WH held by the wire holding portion 30, a portion of the wire-holding piece 31 in contact with the holding surface 32 of the lock-holding piece 31 located at the center is appropriately pulled, and the lock-holding piece 3
It is possible to easily and easily remove the wire from the wire holding portion 30 by a simple work of simply pulling it toward the tip side while releasing the lock on the convex portion 33 of 1. Therefore, when the instrument panel 10 is disposed of when the vehicle is scrapped, the wire harness WH can be easily and easily removed from the panel base material 11 without using any tools or tools, which facilitates recycling. And rationalization can be achieved.

In the above embodiment, the flat cable type wire harness WH has been exemplified, but the vehicle wire holding structure of the embodiment is also applicable to a binding type wire harness in which a plurality of wires are bundled. However, in the case of the binding type wire harness WH, the wire harness WH
If each locking and holding piece 31 is formed into a curved side surface (arcuate shape) according to the above shape, the wire harness WH can be stably held.

Further, although the instrument panel is exemplified as the vehicle interior member in the above-mentioned embodiment, the vehicle interior member targeted by the present application is not limited to this instrument panel, and the above-mentioned floor console, door panel and the like are also intended. It

[0020]

As described above, according to the electric wire holding structure for a vehicle interior member of the present invention, when the electric wire for the vehicle is arranged on the wall surface of the base material, a mounting member or the like as a separate member is provided. Since there is no need for the above, there is an advantage that the cost does not increase due to the increase in the number of parts. Moreover, since the respective locking and holding pieces constituting the wire holding portion are integrally formed on the base material, the step of forming the locking and holding pieces and the step of attaching the locking and holding pieces to the base material are unnecessary. There is also an advantage that the number of work steps can be significantly reduced. Further, since the convex portion is formed at the tip of some of the locking holding pieces or all of the locking holding pieces constituting the electric wire holding portion, the vehicle electric wire held in the electric wire holding portion is locked to the convex portion. Therefore, the inconvenience of being detached from the wire holding portion due to vehicle vibration or the like is preferably avoided. Furthermore,
The vehicle electric wire held in the electric wire holding part can be easily and easily removed from the electric wire holding part by a simple work of simply pulling out the part in contact with the locking holding piece and pulling it out as appropriate. It also has a beneficial effect such as rationalization.

[Brief description of drawings]

FIG. 1 is a side sectional view showing a panel base material that constitutes an instrument panel, cut away at an appropriate portion in front of a passenger seat.

FIG. 2 is a partial perspective view of an electric wire holding portion provided on a panel base material of the instrument panel shown in FIG. 1 as viewed from below the back side of the panel base material while holding a wire harness.

3 is a sectional view taken along line III-III in FIG.

4 is a sectional view taken along line IV-IV in FIG.

FIG. 5 is a partial perspective view of the panel base material in a state where the wire harness is attached to and detached from each locking holding piece of the wire holding portion.

FIG. 6 is an explanatory cross-sectional view showing a conventional example of a vehicle electric wire holding structure for holding a wire harness, in which (a) is an engaging projection of a mounting member attached to an engaging hole provided in a base material. By letting
FIG. 2B shows a configuration in which a binding type wire harness is arranged on the back side of the base material while holding it, and (b) shows a flat cable by attaching the locking projection of the mounting member to the locking hole provided in the base material. The form which arrange | positions on the back side of a base material is shown, holding a wire harness of a type.

FIG. 7 is an explanatory cross-sectional view showing another conventional example of a vehicle electric wire holding structure for holding a wire harness, in which (a) shows an attachment member attached to a locking convex piece provided on the back side of a base material. By that,
The form which arrange | positions on the back side of a base material while holding a wire harness is shown, (b) shows when arrange | positioning a wire harness.
The state which attaches an attachment member to a locking convex piece using a heating die is shown.

FIG. 8 is an explanatory cross-sectional view showing still another conventional electric wire holding structure for holding a wire harness, in which a holding rib of a mounting member mounted on the wire harness is projectingly provided on the back side of the base material. By sandwiching the wire harness, the wire harness is arranged on the back side of the base material while being held.

[Explanation of symbols]

11 Panel base material (base material) 12 planned routes 30 Wire holding part 31 Lock holding piece 33 convex WH wire harness (electric wire for vehicle)

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) H02G 3/38 H02G 3/28 F (72) Inventor Toshiyasu Funato 3-1-1 Imaikecho, Anjo City, Aichi Prefecture No. 36 Inoac Corporation Anjo Office (72) Inventor Katsumi Mori Katsumi Mori 3-1-1 Imaikecho, Anjo City, Aichi Prefecture Ino Inc. Anjo Office (72) Inventor Norihiro Yoneyama Fukuke Town, Toyota City, Aichi Prefecture Nokiri 159-1 Yazaki Parts Co., Ltd. (72) Inventor Hisanori Sasaki 159-1 Uenoki Fukuke-cho, Toyota City, Aichi Prefecture F-Term inside Yazaki Parts Co., Ltd. (reference) 3D023 BA01 BB08 BC01 BD03 BD29 BE04 BE28 3D044 BA03 BA08 BA12 BA14 BB01 BC13 BC30 BD13 5G363 AA16 BA02 DA15 DC02

Claims (5)

[Claims] 1. A structure for holding a vehicle electric wire (WH) on a base material (11) of a vehicle interior member formed in a required shape, the structure being provided on a wall surface of the base material (11) so as to project therefrom. The electric wire holding portion (30) is configured by at least three locking holding pieces (31) provided at required intervals along the route (12) for disposing the electric wire (WH) for the vehicle electric wire (WH). ) Adjacent to each other, the locking holding pieces (31)
A vehicle electric wire holding structure for a vehicle interior member, characterized in that the electric wires for a vehicle (WH) can be held in the electric wire holding portion (30) by being alternately locked to each other. 2. Each of the locking and holding pieces (31) has the base material (11).
The electric wire holding structure for a vehicle interior member according to claim 1, wherein the electric wire holding structure is integrally formed with the electric wire. 3. The electric wire (WH) for a vehicle locked at a tip of a part of a locking holding piece (31) constituting the wire holding portion (30).
The vehicle interior member according to claim 1 or 2, wherein a convex portion (33) projecting toward the side of the vehicle is formed to prevent detachment of the vehicle electric wire (WH) held in the electric wire holding portion (30). Vehicle electric wire holding structure. 4. The locking holding piece (31) having the convex portion (33) and the locking holding piece (31) not having the convex portion (33) are alternately arranged. A vehicle electric wire holding structure for a vehicle interior member. 5. The electric wire for vehicle (WH) locked at the tip of all the locking holding pieces (31) constituting the wire holding portion (30).
The vehicle interior member according to claim 1 or 2, wherein a convex portion (33) projecting toward the side of the vehicle is formed to prevent detachment of the vehicle electric wire (WH) held in the electric wire holding portion (30). Vehicle electric wire holding structure.