JP2003023723A - Fixing structure for wire harness - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wire harness fixing structure which reduces the error of the position of fitting of a wire harness to a panel of a car. SOLUTION: In the wire harness fixing construction 1, a wire harness 2 with a protector 3 fitted to a panel 4. The fixing construction 1 is provided with a clip 14, a first hole 15, a second hole 16, and a fixing portion 17. The first hole 15 penetrates through the bottom plate 8 of the protector 3. The second hole 16 penetrates through the panel 4. The clip 14 is provided with a locking claw 20 and a belt 19 for holding the electric wires 5 of the wire harness 2. The locking claw 20 is locked in the first hole 15 and penetrates the second hole 16. The fixing portion 17 fixes the protector 3 and the panel 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wire harness fixing structure for fixing a wire harness to a panel constituting a vehicle body such as an automobile as a vehicle.

[0002]

2. Description of the Related Art Various electronic devices are mounted on automobiles as vehicles. The car has
A wire harness 101 (shown in FIG. 4) is arranged in order to transmit electric power from a power source such as a battery or a control signal from a control device.

The wire harness 101 illustrated in FIG.
Is a plurality of electric wires 102, a connector (not shown) attached to an end portion of the electric wires 102, and a harness protector 103 attached to a predetermined portion of the electric wires 102.
And are equipped with. Note that FIG. 4 shows only one electric wire 102 and omits the other.

Each of the electric wires 102 is a so-called covered electric wire, which is provided with a conductive core wire 104 and an insulating covering portion 105 for covering the core wire 104. The connector is
A terminal fitting electrically connected to the core wire 104 of the electric wire 102 and an insulative connector housing for housing the terminal fitting are provided.

The harness protector 103 is made of a synthetic resin or the like, and is provided with a bottom plate 106 and a pair of side plates 107 and 108 standing upright from both edges of the bottom plate 106, and is formed in a trough shape having a U-shaped cross section. There is. A pair of side plates 107, 10
8 are opposed to each other with a space therebetween. The harness protector 103 includes a pair of side plates 10 on the bottom plate 106.
The electric wire 102 is placed between 7 and 108. In this way, the harness protector 103 accommodates the electric wire 102, and the electric wire 102 forms the panel 109 that constitutes the vehicle body of the automobile.
Prevent it from being scratched by being rubbed against.

Further, when fixing the electric wire 102 and the harness protector 103, the electric wire 102 is accommodated in the harness protector 103 as described above, and the electric wire 102 and the harness protector 103 are provided outside. Wrap the harness tape 110. Further, the harness protector 103 is provided with a bolt through hole 112 through which the bolt 111 can pass. The panel 109 also has a bolt through hole 113 through which the bolt 111 can be inserted.

In the harness protector 103, that is, the above-described wire harness 101, the panel 111 has the bolt 111 passing through the bolt through holes 112 and 113 and screwed into the nut 114 attached to the panel 109.
It is attached to 9. Thus, the wire harness 101
Are fixed to the panel 109 of the vehicle.

[0008]

When assembling the above-mentioned wire harness 101, the wires 102 are bundled and housed in the protector 103 for the harness, and then the worker manually operates the harness for the harness. Tape 1
I've rolled ten. Therefore, the harness tape 1
When winding 10, the wire 102 and the protector 1 for the harness
Often, 03 and 03 are displaced from each other. Further, since the harness protector 103 is made of synthetic resin, there is a possibility that a dimensional error may occur during molding.

Therefore, the electric wire 102 when the above-mentioned conventional wire harness 101 is attached to the panel 109.
That is, the error in the mounting position of the wire harness 101 with respect to the panel 109 is a value obtained by combining the error in the mounting position between the electric wire 102 and the harness protector 103 and the dimensional error of the harness protector 103.
For this reason, when the above-mentioned conventional wire harness 101 is attached to the panel 109, there is a tendency that an error in the attachment position becomes large.

Therefore, in order to connect the above-mentioned conventional wire harness 101 to the above-mentioned electronic equipment reliably,
The electric wire 102 is made slightly longer than the length at which the electronic devices can be connected to each other. Therefore, the wire harness 1
No. 01 tended to increase in cost as the weight increased.

Therefore, an object of the present invention is to provide a wire harness fixing structure capable of suppressing an error in a mounting position of the wire harness to a vehicle panel.

[0012]

In order to solve the above problems and achieve the object, a wire harness fixing structure of the present invention according to claim 1 is to attach the wire harness to a protector for the harness and to use the harness for the harness. In a wire harness fixing structure for attaching a wire harness with a protector to a panel constituting a vehicle body of an automobile, a first hole penetrating the harness protector and a second hole penetrating the panel and overlapping the first hole. And a holding portion for holding the electric wire of the wire harness, and a wiring clip having a locking claw that locks in the first hole and enters into the second hole. The locking claw of the wiring clip, the portion of which holds the wire harness, locks in the first hole and enters into the second hole, and the wire harness and the harness It is characterized in that the the use protector and the panels were fixed to each other.

According to a second aspect of the present invention, there is provided a wire harness fixing structure according to the first aspect of the present invention, wherein the locking claw has the first hole and the second hole.
It is characterized in that it is locked in both the hole and.

According to a third aspect of the present invention, there is provided a wire harness fixing structure according to the first aspect of the present invention, wherein the wire harness fixing structure includes a fixing portion for fixing the harness protector and the panel. It is characterized by having.

According to the wire harness fixing structure of the present invention as set forth in claim 1, not only the locking claw of the wiring clip is locked in the first hole provided in the harness protector, but also in the panel. Into the second hole provided in the. Therefore, the wiring clip and the panel are positioned relative to each other by the second hole and the locking claw. For this reason,
The positional deviation between the electric wire and the panel becomes substantially equal to the error in the mounting position of the wiring clip on the electric wire.

According to the wire harness fixing structure of the present invention described in claim 2, the locking claw of the wiring clip is locked in both the first hole and the second hole. Therefore, the wiring clip and the panel are more reliably positioned with respect to each other by the second hole and the locking claw. Therefore, the positional deviation between the electric wire and the panel becomes substantially equal to the error in the mounting position of the wiring clip on the electric wire.

According to the wire harness fixing structure of the present invention as defined in claim 3, the harness protector and the panel are fixed by the fixing portion.

[0018]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A wire harness fixing structure according to an embodiment of the present invention will be described below with reference to FIGS. 1 and 2. A wire harness fixing structure 1 (shown in FIGS. 1 and 2) according to an embodiment of the present invention is configured such that a harness protector (hereinafter simply referred to as a protector) 3 is attached to a wire harness 2 and a wire with the protector 3 is attached. It is a fixing structure for attaching the harness 2 to a panel 4 which constitutes a vehicle body of an automobile.

The wire harness 2 includes a plurality of electric wires 5 and a connector (not shown). 1 and 2
Only one electric wire 5 is shown inside, and the others are omitted. As shown in FIGS. 1 and 2, the electric wire 5 includes a conductive core wire 6,
It is a so-called coated electric wire provided with an insulating coating portion 7 for coating the core wire 6. The connector is attached to the end of the electric wire 5 or the like. The connector includes a terminal fitting that is electrically connected to the core wire 6 of the electric wire 5, and an insulating connector housing that houses the terminal fitting.

The protector 3 includes a bottom plate 8 extending along the electric wire 5 of the wire harness 2 and a pair of side plates 9 and 10. The bottom plate 8 has a rectangular planar shape in the illustrated example. The pair of side plates 9 and 10 are connected to both edges of the bottom plate 8 in the width direction. The pair of side plates 9 and 10 is the bottom plate 8
It stands from. The pair of side plates 9 and 10 are opposed to each other with a space therebetween.

The protector 3 includes a bottom plate 8 and a pair of side plates 9,
And 10 are formed in a gutter shape having a U-shaped cross section.
The protector 3 places the electric wire 5 of the wire harness 2 on the bottom plate 8 and between the pair of side plates 9 and 10. Thus, the protector 3 accommodates the electric wire 5 of the wire harness 2 and prevents the electric wire 5 from being damaged.

A hole 11 penetrates through the panel 4. The wire harness 2 with the protector 3 is attached to the surface 4a (shown in FIG. 2 etc.) of the panel 4. On the back surface 4b of the panel 4, as shown in FIG.
A nut 12 that constitutes 7 is attached. The screw hole 13 of the nut 12 coincides with the hole 11.

As shown in FIGS. 1 and 2, the wire harness fixing structure 1 according to the present embodiment includes a wiring clip (hereinafter simply referred to as a clip) 14 and a first hole 15 penetrating the protector 3. , The second hole 1 passing through the panel 4
6 and a fixing portion 17. Clip 14
Made of synthetic resin.

The clip 14 is provided with a clip body 18, a belt 19 as a holding portion, and a locking claw 20. The clip body 18 is formed in a plate shape. In the illustrated example, the clip body 18 has a rectangular planar shape.

The belt 19 is formed in a belt shape. The belt 19 is elastically deformable. The belt 19 has one end connected to the clip body 18 and the other end detachable from the clip body 18. Belt 1
9 is wound around the electric wire 5 of the wire harness 2 and the other end is attached to the clip body 18,
Hold the electric wire 5. The belt 19 has a ring shape when the other end is attached to the clip body 18.

The locking claw 20 is provided with a locking portion 21 and a pair of support pieces 22. The locking portion 21 is a standing piece 23.
And a pair of elastic deformation pieces 24. Standing piece 2
3 stands from the center of the clip body 18. Therefore, the standing piece 23 extends from the clip body 18 to the outside of the clip body 18.

One end of each of the pair of elastic deformation pieces 24 is connected to each other, and the one end is connected to the tip end of the upright piece 23 which is separated from the clip body 18. The other ends of the pair of elastically deformable pieces 24 are separated from the standing piece 23.
The elastic deformation piece 24 is gradually separated from the upright piece 23 from the one end toward the other end. In this way, the pair of elastic deformation pieces 24 are formed in a mountain shape.
Further, the elastically deformable piece 24 is elastically deformable in a direction in which the other end thereof comes into contact with and separates from the standing piece 23. It should be noted that contact and separation means approaching and separating.

Further, a notch 25 is provided at the other end of the elastically deformable piece 24. The notch 25 is formed by cutting out the other end of the elastically deformable piece 24 from the outer surface of the pair of elastically deformable pieces 24 in the direction in which the pair of elastically deformable pieces 24 approach each other. The cutout portion 25 coincides with the inner edge portion of the first hole 15.

One end of each of the pair of support pieces 22 is connected to the clip body 18. A pair of support pieces 22
Extends from the clip body 18 outward of the clip body 18. The pair of support pieces 22 are the clip body 18
Are arranged at positions where the standing pieces 23 are sandwiched between them. The pair of support pieces 22 are gradually separated from each other from the one end toward the other end.

The locking claw 20 having the above-described structure is provided with the first hole 1
The engaging portion 21 is press-fitted into the first hole 15 so as to be opposed to 5. Then, the other end portions of the pair of elastically deformable pieces 24 of the locking portion 21 come into contact with the inner edge portion of the first hole 15. When the locking portion 21 is further pressed into the first hole 15, the inner edge portion of the first hole 15 elastically deforms the pair of elastic deformation pieces 24 in the direction in which the other ends approach each other.

After that, when the notch 25 is located at the inner edge of the first hole 15, the elastic restoring force causes the other ends to move away from each other, and the pair of elastic deformation pieces 24 return to the initial position. The notch 25 contacts (matches) the inner edge of the first hole 15. In this way, the locking portion 21 has the first
The hole 15 is locked.

Then, the bottom plate 8 of the protector 3 comes into contact with the tip portions of the pair of support pieces 22 which are separated from the clip body 18. Thus, the locking claw 20 sandwiches the bottom plate 8 of the protector 3 between the notch portion 25 of the elastically deformable piece 24 and the support piece 22. In this way, the locking claw 20 locks in the first hole 15 and fixes the clip 14 and the protector 3 to each other.

The first hole 15 penetrates the bottom plate 8 of the protector 3. The second hole 16 penetrates the panel 4. The second hole 16 is larger than the first hole 15. The first hole 15 and the second hole 16 overlap each other when the wire harness 2 with the protector 3 is fixed to the panel 4. In addition, the locking portion 21 of the locking claw 20 can enter the second hole 16.

As shown in FIG. 2, the fixing portion 17 includes a fixing piece 26, a hole 27, the nut 12 and the bolt 28.
It has and. The fixing piece 26 is formed integrally with the protector 3. The fixing piece 26 is formed in a plate shape extending from the outer edge portion of the bottom plate 8 to the outside of the bottom plate 8. The thickness of the fixed piece 26 is equal to the thickness of the bottom plate 8. The fixed piece 26 is
It is parallel to the bottom plate 8. The hole 27 penetrates the fixing piece 26.

The hole 27 overlaps with the hole 11 when the wire harness 2 with the protector 3 is attached to the panel 4. The bolt 28 is screwed into the nut 12 through the holes 27 and 11. The fixing portion 17 fixes the protector 3 to the panel 4 by screwing the bolt 28 into the nut 12 through the holes 27 and 11.

In the wire harness fixing structure 1 having the above-described structure, first, the belt 19 is wound around the outer periphery of the electric wire 5, and the other end of the belt 19 is attached to the clip body 18. In this way, the belt 19 holds the electric wire 5, that is, the wire harness 2. That is, the belt 19 attaches the clip 14 to the wire harness 2.

After that, the engaging portion 21 of the engaging claw 20 is press-fitted into the first hole 15, and the bottom plate 8 is sandwiched between the notch 25 and the support piece 22. Then, the clip 14 fixes the protector 3 and the wire harness 2 to each other. In this way, the wire harness 2 with the protector 3 is assembled.

Then, the bottom plate 8 of the protector 3 is placed on the surface 4a of the panel 4. At this time, the first hole 15
The hole 16 is overlapped with the hole 16 and the hole 27 is overlapped with the hole 11. Further, the locking portion 21 of the locking claw 20 of the clip 14 is attached to the second hole 16
Intrude inside. The bolt 28 is screwed into the nut 12 through the holes 27 and 11. Thus, in the wire harness fixing structure 1, the wire harness 2 with the protector 3 is attached to the panel 4.

Further, the protector 3 and the wire harness 2
After fixing and, the protector 3 is attached with a lid (not shown). The lid is attached to the edges of the pair of side plates 9 and 10 apart from the bottom plate 8. The lid covers the protector 3 and the electric wire 5, that is, the wire harness 2.

According to this embodiment, not only the locking portion 21 of the locking claw 20 of the clip 14 is locked in the first hole 15 penetrating the protector 3, but also the second hole provided in the panel 4 is provided. Into the hole 16 of the. Therefore, the clip 14 and the panel 4 are positioned with respect to each other by the second hole 16 and the locking portion 21 of the locking claw 20. Therefore, the positional deviation between the electric wire 5, that is, the wire harness 2 and the panel 4 becomes substantially equal to the error in the mounting position of the clip 14 on the electric wire 5. Therefore, the electric wire 5, that is, the panel 4 of the wire harness 2
It is possible to suppress the error in the attachment position to the

Further, the belt 19 can be wound around the electric wire 5, and the clip 14 can be attached to the electric wire 5, that is, the wire harness 2. Therefore, as compared with the case where the harness tape is wound around the electric wire 5 and the protector 3 and the electric wire 5 are fixed to each other, an error in the mounting position of the electric wire 5 and the clip 14 can be suppressed. Furthermore, when the electric wire 5 is attached to the panel 4, the attachment location of the clip 14 can be changed. Therefore, the error in the attachment position of the electric wire 5, that is, the wire harness 2 to the panel 4 can be more reliably suppressed.

Further, the protector 3 and the panel 4 can be securely fixed by the fixing portion 17. Therefore, since the protector 3 and the electric wire 5 can be reliably fixed by the locking claw 20, the electric wire 5, that is, the wire harness 2 and the panel 4 can be surely fixed.

Further, in the above-described embodiment, the locking claw 20 is used.
The locking portion 21 of is locked to the first hole 15, that is, the protector 3. However, in the present invention, as shown in FIG. 3, the locking portion 21 of the locking claw 20 may be locked not only in the first hole 15 but also in the second hole 16 or the panel 4. That is, the locking portion 21 of the locking claw 20 may be locked in both the first hole 15 and the second hole 16.

In the case shown in FIG. 3, the clip 14 and the panel 4
Are more reliably positioned relative to each other by the second hole 16 and the locking portion 21 of the locking claw 20. Therefore, the positional deviation between the electric wire 5, that is, the wire harness 2 and the panel 4 becomes substantially equal to the error in the mounting position of the clip 14 on the electric wire 5. Therefore, the error in the attachment position of the electric wire 5, that is, the wire harness 2 to the panel 4 can be more reliably suppressed.

Further, in the above-described embodiment, the clip 14 has the belt 19, and the belt 19 is wound around the outer periphery of the electric wire 5 and attached to the wire harness 2.
However, according to the present invention, the belt 19 is attached to the clip 14.
Need not be provided. In this case, after the clip body 18 is overlaid on the electric wire 5, the harness tape is attached.
Then, the clip 14 is attached to the electric wire 5, that is, the wire harness 2. Further, in this case, the clip body 18 corresponds to the holding portion described in this specification.

[0046]

As described above, according to the present invention as set forth in claim 1, not only is the locking claw of the wiring clip locked in the first hole provided in the protector for the harness, but also in the panel. Into the second hole provided in the. Therefore, the wiring clip and the panel are positioned relative to each other by the second hole and the locking claw. Therefore, the positional deviation between the electric wire and the panel becomes substantially equal to the error in the mounting position of the wiring clip on the electric wire.

Therefore, it is possible to suppress an error in the mounting position of the electric wire, that is, the wire harness to the panel. Further, the wiring clip can be attached to the electric wire by holding the electric wire in the holding portion of the wiring clip. Therefore, as compared with the case where the harness tape is wound around the electric wire to fix the electric wire and the harness protector, it is possible to suppress an error in the mounting position of the electric wire and the wiring clip. Further, the position of the holding portion can be changed when the electric wire is attached to the panel. Therefore, it is possible to more reliably suppress the error in the mounting position of the electric wire, that is, the wire harness on the panel.

According to the second aspect of the present invention, the locking claws of the wiring clip are locked in both the first hole and the second hole. Therefore, the wiring clip and the panel are connected to each other by the second
The holes and the locking claws position each other more reliably. Therefore, the positional deviation between the electric wire and the panel becomes substantially equal to the error in the mounting position of the wiring clip on the electric wire. Therefore, it is possible to more reliably suppress the error in the mounting position of the electric wire, that is, the wire harness on the panel.

According to the third aspect of the present invention, the harness protector and the panel can be securely fixed by the fixing portion. Therefore, since the harness protector and the electric wire can be reliably fixed by the locking claws, in addition to the fact that the error in the mounting position of the electric wire, that is, the wire harness to the panel can be suppressed more reliably, the electric wire, that is, the wire harness and the panel can be reliably made. Can be fixed.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a wire harness fixing structure according to an embodiment of the present invention.

FIG. 2 is a front view showing the fixing structure of the wire harness shown in FIG. 1 in a partial cross section.

FIG. 3 is a front view showing a modification of the wire harness fixing structure shown in FIG.

FIG. 4 is a front view showing a part of a conventional wire harness fixing structure in section.

[Explanation of symbols]

1 Wire harness fixing structure 2 wire harness 3 protector (protector for harness) 4 panels 5 electric wires 14 clips (wiring clips) 15 First hole 16 Second hole 17 Fixed part 19 Belt (holding part) 20 locking claws

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) H02G 3/04 H01B 7/00 301 3/38 307 // H01B 7/00 301 H02G 3/26 H 307 3 / 28 FF term (reference) 3J001 GA06 GB03 HA02 HA07 JD05 KB02 3J036 AA05 BA01 BB03 DA06 DA14 GA02 5G309 AA10 AA11 GA01 LA27 5G357 DA06 DB03 DC12 DD02 DD06 5G363 AA16 BA02 DA13 DA15 DC02

Claims (3)

[Claims] 1. A wire harness fixing structure in which a wire harness is attached to a protector for a harness and a wire harness with the protector for a harness is attached to a panel constituting a vehicle body of an automobile. A hole, a second hole penetrating the panel and overlapping with the first hole, a holding portion for holding an electric wire of the wire harness, and the first hole
A wiring clip that has a locking claw that locks in the hole and enters the second hole, and the locking claw of the wiring clip in which the holding portion holds a wire harness is the first clip. The wire harness fixing structure, wherein the wire harness, the harness protector and the panel are fixed to each other by being locked in the hole and entering the second hole. 2. The locking claw includes the first hole and the second hole.
The wire harness fixing structure according to claim 1, wherein the wire harness is fixed to both of the holes. 3. The fixing unit for fixing the harness protector and the panel to each other is provided.
Alternatively, the wire harness fixing structure according to claim 2.