JPH11176260A - Three-dimensional branching device for wire harness - Google Patents

Abstract

PROBLEM TO BE SOLVED: To lead branch lines from the trunk lines of a wire harness in three- dimensional directions when fabricating a wire harness. SOLUTION: A three-dimensional wire laying jig 12 is equipped with a lock part 12c for the original position to hold a wire reception part 12a at the top of a shaft 12b at the same level as the wire reception part of other jig and another lock part 12d for the position situated under the first named lock part, while an assembly bench 11 is furnished with a slide groove 15 along the branch line diverging from the trunk line 5 from the position a certain distance apart from the branching position to the original position of a branch line terminal, and means 16a-16d to lock the above-mentioned lock parts are furnished at the ends of this slide groove, and after branch line is laid in the three- dimensional jig located in the original position and fixed, the three-dimensional jig is slid to the position and elevated, and the shaft is locked in the position, and the branch line is branched upward with respect to the trunk line.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a three-dimensional branching device for a wire harness for an automobile, and more particularly, to a branch line for a trunk of a wire harness when assembling the wire harness on a wire harness assembly work table. The wire harness assembling work table and the jig for wiring are improved so that the wire harness can be branched in three-dimensional directions.

[0002]

2. Description of the Related Art Conventionally, assembling a wire harness, as shown in FIG. 7, a wire group W is laid on a Y-shaped wiring jig 2 erected on an assembling work table 1, and these wires are laid. Tape 3 on group W
Are wound and bound, and required parts such as a vehicle body mounting clamp 4 and a protector (not shown) are mounted at required positions.

When the branch lines 6, 7 are branched from the main line 5 of the wire harness, the branch jig 2A at the branch position is used to branch the branch lines 6, 7.
7 is branched, and connectors 8 and 9 connected to the terminals of the branch lines 6 and 7 are formed to be hooked on the terminal jigs 2B and 2C for branch lines, respectively.

A jig 2 erected on the assembly work table 1
As shown in FIG. 8, A, 2B and 2C have the conventional assembling work table 1 because the wire receiving portions 2a are located on the same horizontal plane.
The wire harness assembled above is a two-dimensional assembly. Therefore, the trunk line 5 and the branch lines 6, 7 are also shown in FIG.
As shown in (2), the two-dimensional arrangement branches off on the same plane.

[0005]

However, FIG.
As shown in (B), there is a case where it is necessary to branch the branch lines 6, 7 in a three-dimensional direction in which the branch lines 6, 7 are phased upward or downward with respect to the main line 5, and a conventional wiring jig conventionally used. Then, there was a problem that branching in the three-dimensional direction could not be performed. Therefore, when attaching the wire harness to the automobile, the branch line 6,
7 is drawn up or down from the trunk line 5 in a three-dimensional direction. At this time, it is necessary depending on the direction in which the branch lines 6 and 7 are taken out from the trunk line 5 shown in FIGS. 10A and 10B. The dimensions of the branch lines 6 and 7 will be different. as a result,
At the time of forming the wire harness, the length of the branch line is set on the assumption that a long dimension shown in FIG. 9B is required, and the wire length is increased, which increases the cost.

In order to solve the above problem, the present applicant has first and second support portions 10a and 10b as shown in FIG. A jig 10 for three-dimensional wiring in which the portion 10b can be rotated and moved up and down is proposed.

Using the three-dimensional jig 10 described above,
Although it is possible to obtain upward three-dimensional branching as shown in FIG. 9 (B), there is a problem that the jig has a complicated structure and thus costs high.

Therefore, the present invention provides an apparatus which can obtain a three-dimensional branch by simply improving an assembling work table and a jig without using a special jig having a complicated structure. That is the task.

[0009]

According to the present invention, in order to solve the above-mentioned problems, a branch line is branched from a trunk line of a wire harness upward or downward in a three-dimensional direction on a wire harness assembly work table. An apparatus having a substantially Y-shape in which a wire receiving portion is provided at an upper end of a shaft portion, wherein the wire portion at the upper end is held at the same height as a wire receiving portion of another jig. While a three-dimensional jig provided with a lock portion for the position and a lock portion for the working position is provided below or above the lock portion for the original position, the assembly work table is provided with a branch line branching from the main line. Along the line, a slide groove is formed along the branch line from the work position at a required distance from the branch position to the original position of the branch line terminal, and the original position and the work position at both ends of the slide groove are formed at the original position and the work position. Provide a means to lock the lock After arranging a branch line on the three-dimensional jig positioned and fixed at the original position, the three-dimensional jig is slid to the work position and raised or lowered to lock the shaft part at the work position. The present invention provides a three-dimensional branching device for a wire harness in which a branch line branches upward or downward with respect to a main line.

For example, each lock portion provided on the shaft portion is
A locking plate protruding symmetrically from both sides of the shaft portion, and a lock piece protruding below the tip of the locking plate, the locking means provided on the assembly worktable is continuous with both ends of the slide groove. And a pair of curved lock holes.

According to the above apparatus, the three-dimensional jig is first positioned and fixed at the original position, a branch line branched from the main line is wired, and then the jig is unlocked.
When the slide groove is moved to the working position and raised or lowered, and positioned and held at the working position, the branch line can be easily oriented in a three-dimensional direction above or below the main line. In this state, if the branching position is permanently tied and fixed by tape winding, when the wiring harness is routed to a car, the branch line that branches upward from the main line always branches from the upper surface of the main line, and the branch line is the shortest. Better in dimensions. Similarly, the branch line that branches below the main line,
It always branches off from the underside of the main line.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. The first embodiment shown in FIGS. 1 to 4 shows a case where the branch line 6 is branched upward from the main line 5.

The work table 11 for assembling the wire harness is made of a wooden and thick flat plate as in the prior art.
An installation hole is made along 1 and a conventionally used Y-shaped wiring jig 2 is erected, and the Y-shaped wiring jig 2A is also erected at a branch position P1. A three-dimensional jig 12 is erected from an assembly worktable 11 in the direction of the branch line 6 branched from the trunk line 5.

The three-dimensional jig 12 has a U-shaped wire receiving portion 12a at an upper end, and a round bar-shaped shaft portion 12b protrudes from a central lower end thereof. However, an original position lock portion 12c and an operation position lock portion 12d are provided at an intermediate position and a position near the lower end of the shaft portion 12b. The locking portions 12c and 12d have the same shape, and as shown in FIG. 2A, locking plate portions 12c-1 and 12d-1 projecting from both sides of the shaft portion 12b, respectively, and projecting from the lower surface thereof. And lock pieces 12c-2 and 12d-2. The locking plate portions 12c-1 and 12c-2 are connected to the shaft portion 12b.
Of the lock pieces 12c-2, 12c from the lower surfaces of the tip portions on both sides protruding symmetrically from the shaft portion 12b.
d-2 is provided so as to face each other.

On the other hand, the assembling worktable 11 has a branch position P1 along a branch line L2 of a branch line 6 branching from the main line 5.
A linear slide groove 15 is formed from a position P2, which is a required distance from, to a branch line end position P3. The position P3 matches the dimension of the branch line 6 from the branch position P1, becomes the original position of the three-dimensional jig 12, and the position P2 becomes the operating position. The slide groove 15 has a width that allows the shaft portion 12b of the three-dimensional jig 12 to slide. As shown in FIG. 2B, a pair of slide grooves 15 are provided at both end positions P2 and P3. Curved lock hole 1
6a and 16b, 16c and 16d are provided.

The lock holes 16a and 16b correspond to a part of the circumference centered on the original position P3,
Is located at the original position P3, the pair of lock pieces 12c
-2 is inserted and locked. On the other hand, lock hole 1
6c and 16d correspond to a part of the circumference centered on the operating position P3, correspond to when the shaft portion 12b is located at the operating position P2, and insert and lock a pair of lock pieces 12d-2. ing.

At the original position P3, the three-dimensional jig 12 has a pair of lock pieces 12c-2 of the lock portion 12c at the intermediate position of the shaft portion 12b, as described above.
a and 16b, and the locking plate portion 12c-1 is locked and fixed to the upper surface of the assembly worktable 11.
At this position, the height of the wire receiving portion 12a at the upper end of the shaft portion is set to the same height as the wire receiving portion 2a of the shaft 2A at the branch position.

The assembly of the wire harness is performed by the assembling work table 11.
First, as shown in FIG. 1, first, a wiring jig 2 in which a wire group W-1 constituting a trunk line 5 is erected along a trunk line path.
And wire it through. Also, the electric wire W-2 constituting the branch line 6
First, the branch line 6 is branched from the branch line 2a from the trunk line 5 and passed through the three-dimensional jig 12 erected at the original position P3.
Is hooked on the connector 8 connected to the terminal.

Then, the shaft portion 12b of the three-dimensional jig 12 is rotated as shown by a dotted arrow in FIG.
The pair of lock pieces 12c-2 of FIG.
6b, slide out of the slide groove 15. After releasing the lock in this manner, the shaft portion 12b is slid along the slide groove 15 toward the working position P2, and
b is raised.

When the working position P2 is reached, the shaft portion 12b
The locking plate 12d-1 of the lock portion 12d near the lower end of the arm is raised to the upper surface side of the assembling worktable 11 through the slide groove 15, and then the lock piece 12d-2 is inserted into the lock holes 16c and 16d from the slide groove 15. The shaft 12b is rotated and inserted. The lock pieces 12d-2 have the lock holes 16c and 16d.
When the locking plate 12d-1 reaches the tip of the
5, the locking plate 12d-1 is fixed to the upper surface of the assembly worktable 11, and as a result, the three-dimensional jig 12 is positioned and held at the work position P2.

At the working position P2, the wire receiving portion 12a of the three-dimensional jig 12 rises by the dimension S between the lock portion 12c at the middle position of the shaft portion 12b and the lock portion 12d near the lower end, and The branch line 6 branched from 5 is branched upward. In this state, as shown in FIG. 4 (A), the binding tape 19 is wrapped around the main line 5 and the branch line 6 to perform the final binding.

When the wiring harness formed as described above is to be routed above a trunk line 5 when being routed to an automobile, as shown in FIG.
Is always drawn out from the upper surface of the trunk line 5, so that the required size of the branch line can be set to the minimum.

FIGS. 5 and 6 show a second embodiment, which is applicable not only to a branch line 6 'branching off from a trunk line 5 but also to a downward branch. That is, the third lock portion 1 that positions and fixes the work position P2 above the lock portion 12c protruding from the shaft portion 12b in order to position and fix the three-dimensional jig 12 at the original position P3.
2f is provided. Since the lock portion 12f has the same configuration as the lock portions 12c and 12d, the same reference numerals are given and the description is omitted.

When the branch line 7 branches downward from the main line 5, as shown in FIG. 6, after the branch line 7 is laid out at the original position P3, the slide groove 15 is moved to the work position P2, The shaft portion 12b is lowered at the work position P2, and is fixed by the upper lock portion 12f.

The locking means for positioning and fixing the three-dimensional jig 12 to the assembling worktable 11 at the original position P3 and the work position P2 is the lock portion 1 provided on the shaft portion 12b.
2c (12d, 12f) and the lock holes 15a to 15d provided in the assembling worktable 11 are not limited, and a positioning means may be applied as appropriate.

[0026]

As is apparent from the above description, according to the three-dimensional branching device for a wire harness according to the present invention, a simple improvement can be made to the shaft of a conventional Y-shaped jig for wiring. In addition, it is possible to ascend and descend so that it can be positioned and fixed to the assembly worktable at this raised position or lowered position, while simply forming a slide groove in the assembly worktable,
The branch line branching from the main line can be branched upward or downward in the three-dimensional direction.

Therefore, since it is not necessary to use a special jig, the cost is not increased, and the length of the branch line branching three-dimensionally from the trunk line is determined in consideration of the branch line drawing direction as in the prior art. Therefore, it is not necessary to set the length longer than the required dimension, the length of the electric wire of the branch line can be shortened, and the cost can be reduced from this point.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention.

FIG. 2A is an enlarged front view of a main part of a shaft part in FIG. 1,
2 (B) is a plan view of FIG. 1 (A), and FIG. 2 (C) is an enlarged view of a main part of the assembly work table of FIG.

FIG. 3 is a perspective view showing the operation of the first embodiment.

FIG. 4A is an enlarged view of a main part showing a final step, and FIG.
FIG. 3 is a schematic view showing a formed branch portion.

FIG. 5 is a perspective view of a second embodiment of the present invention.

FIG. 6 is a perspective view showing the operation of the second embodiment.

FIG. 7 is a perspective view showing a conventional example.

FIG. 8 is a sectional view taken along line CC of FIG. 7;

FIGS. 9A and 9B are diagrams showing problems of a conventional example.

FIGS. 10A and 10B are diagrams showing the problems of the conventional example.

FIG. 11 is a perspective view showing another conventional example.

[Explanation of symbols]

 Reference Signs List 2 jig 5 trunk line 6, 7 branch line 8 connector 2A jig at branching position 11 assembly work table 12 three-dimensional jig 12a wire receiving portion 12b shaft portion 12c, 12d lock portion 15 slide groove 16a to 16d lock hole

Claims (2)

[Claims] 1. A device for branching a branch line from a trunk line of a wire harness upward or downward in a three-dimensional direction on an assembly work table of the wire harness, wherein a substantially Y-shaped wire receiving portion is provided at an upper end of a shaft portion. In the shape, the shaft portion, the lock portion for the original position holding the upper end wire receiving portion at the same height as the wire receiving portion of the other jig, below or above the lock portion for the original position, A three-dimensional jig provided with a lock portion for the work position is provided. On the assembly work table, the original state of the branch line terminal from the work position at a required distance from the branch position along the branch line branching from the main line. A slide groove is formed along the branch line up to the position, and a means for locking the lock portion between the original position and the working position at both ends of the slide groove is provided. Branch line to tool jig After the wiring, the three-dimensional jig is slid to the working position and raised or lowered to lock the shaft in the working position, and to branch the branch line upward or downward with respect to the main line. Harness three-dimensional branching device. 2. Each of the locking portions provided on the shaft portion includes a locking plate portion projecting symmetrically from both sides of the shaft portion, and a locking piece protruding below the tip of the locking plate portion. 2. The three-dimensional branching device for a wire harness according to claim 1, wherein the lock means provided on the assembly work table comprises a pair of curved lock holes continuously drilled at both ends of the slide groove.