JP2002218633A - Wiring for wire harness - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate work to detach a wire harness fixed to a body pannel. SOLUTION: The body pannel 11 has escape throughholes 22 and a location throughhole 21, and a wire harness is fixed with clips 12 corresponding to the above throughholes 21, 22, respectively. After a locking hook 19 of the clip 12 is pushed into the insertion port 23 of the escape throughhole 22, the wire harness is deformed to a locking port 24 formed together with the port 23 so that the wire harness keeps the locked state. The clip 12 is inserted into the above location throughhole 21 while keeping the strained state of the wire harness, then the locking hook 19 of the clip 12 is elastically locked and the wire harness can be fixed. When the wire harness is detached, if only the locking hook of the clip 12 at the location throughhole 21 is forced to detach, the clip 12 of the escape throughholes 22 become movable from the locking port 24 to the insertion port 23 and the wire harness can be easily detached.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring harness wiring structure.

[0002]

2. Description of the Related Art When a wire harness 1 is fixed to a body panel 6 of an automobile, a method of attaching the wire harness 1 with a clip 2 as shown in FIG. The clip 2 has a band portion 3 fixed to the wire harness 1 and a circular locking hole 7 opened in the body panel 6.
It is formed by an elastic locking portion 4 which can be inserted into and locked in the device.
When attaching the wire harness 1 to the body panel 6,
The band 1 of the clip 2 is wound around the wire harness 1 corresponding to the locking hole 7 and tightened. Next, when the elastic locking portion 4 of the clip 2 is press-fitted into the locking hole 7, the locking claw 5 is compressed and inserted, and is elastically restored and locked at the same time when the passage is completed.

[0003]

On the other hand, when removing the wire harness 1 from the body panel 6, the clip 2
Must be bent inward to release the lock. However, in practice, the wiring harness 1 and other components hinder the operation and cannot be easily performed. Therefore, at present, the wire harness 1 is pulled with a strong force to forcibly release the locking of the locking claw 5, and there has been a problem that the disassembling operation cannot be easily performed.

[0004] The present invention has been completed based on the above circumstances, and has as its object to facilitate removal of a wire harness during dismantling work.

[0005]

As means for achieving the above object, the invention according to claim 1 is characterized in that mounting holes are drilled at a plurality of locations on the panel side and the mounting holes are formed on the wire harness side. A wire harness wiring structure in which a clip is attached correspondingly, and the locking leg of the clip is locked in each of the mounting holes to route the wire harness in a tensioned state along the panel. The mounting hole communicates with the insertion portion into which the locking leg of the clip can be loosely inserted, and the locking leg is prevented from coming off when the locking leg is displaced from the insertion portion. A release mounting hole formed by a locking portion to be locked, and the locking leg by insertion of the locking leg in a state where the locking leg of the clip is locked to the locking portion of the mounting hole. Positioning device that can be elastically locked to the part Characterized in was a structure comprising a hole.

[0006]

<Operations and effects of the invention><Invention of claim 1> When wiring a wire harness to a mounting hole of a panel, first, the clip is attached to the wiring harness so that each clip corresponds to the mounting hole. Next, the locking leg portion of the clip is loosely inserted into the insertion portion of the release mounting hole, and displaced to the engaging portion while keeping the wire harness in a tensioned state. Since the engaging portion can be locked with the locking leg, the clip is prevented from falling out of the mounting hole for escape. In this state, when the locking leg of the clip corresponding to the positioning mounting hole is inserted while maintaining the tension of the wire harness, the locking leg elastically locks with the positioning mounting hole. As described above, since the insertion portion and the engaging portion communicate with each other only with the release mounting hole, the locking leg portion of the clip may be displaced to the insertion portion and fall off the panel. The entire wire harness can be fixed by locking the clip of the mounting hole for positioning while the wire harness is stopped and the entire wire harness is in tension. Furthermore, at the time of removing the wire harness, if only the locking portion of the clip of the positioning mounting hole is forcibly released, the clip of the escape mounting hole can be moved from the engagement portion to the insertion portion, and the insertion portion is Since the locking leg of the clip can be loosely inserted, the clip is easily detached from the mounting hole for release. Therefore, the work of removing the wire harness can be easily performed.

[0007]

Embodiments of the present invention will be described below with reference to the accompanying drawings. An embodiment of the present invention will be described with reference to FIGS. In FIG. 1, reference numeral 10 denotes a wire harness for an automobile, which is fixed to the body panel 11 using a clip 12 made of resin. At the body panel 11 side, mounting holes 21 and 22 are drilled at appropriate intervals at locations where the wiring harness 10 is to be routed, and the clips 12 are attached to the wiring harness 10 at a pitch corresponding to the mounting holes 21 and 22. Has been made.

Each clip 12 is integrally formed with a harness mounting portion 13 for the wire harness 10 and a panel mounting portion 14 for the body panel 11 side. The harness attachment portion 13 is formed by a base portion 16 and a band piece 15 extending from the base portion 16 and having flexibility. The base 16 has an insertion hole 17 through which the band piece 15 is inserted.
Are penetrated, and a locking projection 17A is formed inside. On the other hand, the band piece 15 is formed with a plurality of serrated claw edges 15A along the length direction. Accordingly, the band piece 15 is passed through the insertion hole 17 while being wound around the wire harness 10, and the locking projection 17 </ b> A and the claw edge 15 </ b> A are locked at the drawn position until the wire harness 10 is tightened. Are fixed to the wire harness 10.

The panel mounting portion 14 has a flexible cover piece 18 disposed on the lower surface of the base portion 16. The cover piece 18 is formed in a downward bowl shape, and has a mounting hole 21,
22 (including both positioning 21 and relief 22 described below) is formed in such a size that it can cover the whole. A support post 20 hangs down from the center of the lower surface of the cover piece 18, and a pair of locking legs 19 is formed at the tip thereof in an anchor-like manner so as to protrude in the left-right direction. However, both locking legs 19 can be elastically deformed in the closing direction.

Mounting holes 21 and 22 formed in body 11
As shown in FIG. 1, two types are set. One of them is a positioning member 21 which is formed in a circular shape and positions the entire wire harness 10, and the other is a releasing member 22 for allowing the clip 12 to be freely inserted and removed.

The diameter of the positioning mounting hole 21 is set to be smaller than the distance between the tips of the locking legs 19, and the locking legs 19 are elastically locked around the hole edge of the mounting hole 21. Can be.

As shown in FIG. 4, the escape mounting hole 22 has a substantially circular insertion portion 23 formed to have a size that allows the two retaining legs 19 of the clip 12 to be freely inserted without elastic deformation. have. Also, this insertion part 2
An engaging portion 24 is also formed so as to communicate with 3. Engaging part 24
Is formed in a rectangular shape, and the width thereof is smaller than the hole diameter of the insertion portion 23. Specifically, the engaging portion 24
Is set to be sufficiently smaller than the distance between the front ends of the locking legs 19 so that the column 20 of the clip 12 can pass through. Therefore, the locking legs 19 of the clip 12
After being loosely inserted into the insertion portion 23, it can be moved to the engagement portion 24 side, and when moved to the engagement portion 24, the tip of the locking leg 19 is engaged around the hole edge of the engagement portion 24. By stopping the clip, the entire clip 12 can be locked in a retaining state.

The operation and effect of the embodiment constructed as described above will be specifically described. In the work of attaching the wire harness 10 to the body panel 11, first, the clip 12 is attached to the wire harness 10 so that the clips 12 correspond to the mounting holes 21 and 22, respectively. In that case, clip 12
The tip of the band piece 15 is inserted into the insertion hole 17 while winding the band piece 15 around the wire harness 10. Claw edge 1 with wire harness 10 tightened until tightened
When the 5A and the locking projection 17A are locked, the clip 12 is fixed to the wire harness 10. The same operation is performed to attach the plurality of clips 12 to the wire harness 10. In the present embodiment, each wire harness 10
One positioning mounting hole 21 is provided at one end of the body panel 11 (the left side in FIG. 1), and all the other mounting holes are provided as escape mounting holes 22.

Next, each clip 12 is connected to the corresponding mounting hole 2.
The work of inserting into 1, 22 is performed. In this case, first, the clip 1 corresponding to the insertion portion 23 of the release mounting hole 22 located at the end portion opposite to the positioning mounting hole 21 is inserted.
The second locking leg 19 is loosely inserted. When the locking leg 19 of the clip 12 is moved to the engaging portion 24, the locking leg 1
Reference numeral 9 is locked to the periphery of the engaging portion 24 to prevent it from falling off (see FIG. 4). Subsequently, the clip 12 is attached to the adjacent mounting hole 22 for escape. At this time, while keeping the wire harness 10 in a tensioned state between the escape mounting hole 22 at the distal end and the clip 12 in the same manner as described above.
Is locked to the engaging portion 24. In this way, while keeping the wire harness 10 in a tensioned state, the positioning mounting hole 2
The clip 12 is inserted in one direction.

Finally, the retaining leg 19 of the clip 12 at a position corresponding to the positioning mounting hole 21 is inserted into the mounting hole 21 while keeping the entire wire harness 10 in a tensioned state. Then, both the locking legs 19 are inserted while being bent inward, and after passing through the mounting hole 21, they are returned and deformed at the same time, and are locked to the peripheral edge of the positioning mounting hole 21.

When the insertion of the clip 12 into the positioning mounting hole 21 is completed in this way, the movement of each release mounting hole 22 from the engaging portion 24 to the insertion portion 23 is regulated, so that the wire harness 10 is attached to the body panel 11. Fixed.
The tension state of the wire harness 10 described above is
The wire harness 10 between the mounting holes 21 and 22 is allowed to slightly loosen, but is shorter than the moving length of the release mounting hole 22 from the engaging portion 24 to the insertion portion 23 from which the clip 12 can be detached. Any size is acceptable.

On the other hand, in the work of removing the wire harness 10 from the body panel 11, the locking between the positioning mounting hole 21 and the locking leg 19 of the clip 12 which is locked is forcibly released. Then, each release mounting hole 22
Can be moved from the engaging portion 24 to the insertion portion 23, and the clip 12 is easily released.
2 can be released. Therefore, the wire harness 10 can be removed only by forcibly releasing only the locking portion of the clip 12 inserted into the positioning mounting hole 21, and the removal operation can be easily performed.

Further, in this embodiment, the following operation and effect can be obtained (see FIGS. 5A to 5C). In the state where the clip 12 of the present embodiment has moved to the attachment portion 24 side, the three side surfaces of the support column 20 and the corresponding hole edges of the attachment portion 24 are aligned and opposed to each other. Therefore, when the column 20 is moved in the same direction by the pulling force of the arrow direction shown in each figure acting on the wire harness 10, the corresponding sides are aligned and come into contact with each other. Therefore,
The movement of the clip 12 is reliably restricted, and the wiring state of the wire harness 10 is stabilized without generating abnormal noise or the like.

<Other Embodiments> The present invention is not limited to the embodiments described above and illustrated in the drawings. For example, the following embodiments are also included in the technical scope of the present invention. In addition, various changes can be made without departing from the scope of the invention. (1) In this embodiment, a band-type clip is used, but a clip having another structure may be used. (2) In the present embodiment, the positioning mounting hole 21 is provided at one location, but may be provided at a plurality of locations.

[Brief description of the drawings]

FIG. 1 is a perspective view of a wire harness and a body panel of the present embodiment.

FIG. 2 is a cross-sectional view showing a state where a wire harness is fixed to a body panel.

FIG. 3 is a sectional view showing a state in which the positioning mounting hole is locked.

FIG. 4 is a cross-sectional view showing a state where it is locked with a release mounting hole.

FIGS. 5A to 5C are cross-sectional views each showing a state where a wire harness is pulled.

FIG. 6 is a perspective view of a wire harness and a body panel in a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Wire harness 11 ... Body panel 12 ... Clip 19 ... Locking leg 21 ... Positioning mounting hole 22 ... Escape mounting hole 23 ... Insertion part 24 ... Engagement part

Claims (1)

[Claims] 1. A mounting hole is drilled at a plurality of locations on the panel side, and clips are mounted on the wire harness side in correspondence with the mounting holes, and a locking leg of the clip is engaged with each of the mounting holes. A wire harness wiring structure for wiring the wire harness in a tensioned state along the panel by stopping, wherein the mounting hole is a plug-in portion into which a locking leg of the clip can be loosely inserted; A release mounting hole formed from an engaging portion which communicates with the insertion portion and locks the locking leg in a retaining state when the locking leg is displaced from the insertion portion; and locking of the clip. A wire comprising: a positioning mounting hole that can be elastically locked with the locking leg by inserting the locking leg in a state where the leg is locked to the engaging portion of the mounting hole. Harness routing structure.