JPH09237530A - Mounting jig for corrugated tube of wire harness - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mounting jig facilitating mounting work further with generation prevented of damage in wire harness, in the case of mounting a corrugated tube in a branch part of the wire harness drawing out a branch wire from a trunk wire. SOLUTION: This mounting jig 1 is formed by a U-shaped groove unit receiving a trunk wire 11 from an upper opening part 7 insertion stored, an on-groove edge 5 of this groove unit has a flange-shaped guide rail 6 formed as a tilt edge tilted forward from rearward to lead to a groove bottom 4 to be protruded outward. The jig is formed by a structure provided with a branch wire storage notch 3 receiving a branch wire 12 in a front end of the groove bottom 4, an opening slit 8 of a corrugated tube 2 is engaged to be meshed together with the guide rail 6 in a condition mounted previously in a branch part 13, the opening slit 8 is guided by this guide rail 6, the corrugated tube 2 is mounted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wire harness corrugated tube mounting jig used for mounting a wire harness corrugated tube at a wire bundle branching portion of a wire harness.

[0002]

2. Description of the Related Art A corrugated tube for a wire harness (hereinafter, simply referred to as a corrugated tube) is used as a protective tube body for accommodating and protecting a wire bundle of a wire harness in a tube, and a tube wall is cut in a longitudinal direction of the tube body. It has an opening slit, and has a structure to be installed and set in the wire bundle of the wire harness by opening the opening slit. The bundle of branch electric wires branching from the main line is set to penetrate through a branch wire through hole existing in the middle of the opening slit.

[0003]

When the above corrugated tube is attached to the wire bundle branching portion of the wire harness, the opening slit is forcibly opened from the tube end portion and fitted into the trunk wire bundle, and the trunk wire bundle is attached. The wires are sequentially introduced into the pipe, and a bundle of branch electric wires is passed through the branch wire through hole to set the wires. Therefore, it is difficult to mechanize the mounting work and must rely on manual work.Although it is performed by using appropriate tools and jigs that support the manual work, it is difficult and time-consuming work, and the work efficiency is high. Poorly, there is a defect that impairs the high productivity of the recent wire harness mass production system.

When the branch wire bundle is passed through the branch wire through hole, the edge portion of the opening slit that is forcedly opened slides strongly against the branch wire bundle, which may damage the wire bundle. The present invention provides a corrugated tube mounting jig that solves the above-mentioned drawbacks of the prior art.

[0005]

The corrugated tube mounting jig of the present invention which solves the above technical problems is "a U-shaped groove body for receiving and penetratingly storing a trunk of a wire harness, and the upper edge of the groove is a groove body. Is an elastic groove body that is inclined from the rear side to the front side to reach the groove bottom, and the U-shape is easily expandable / contractible, and further, at the front end portion of the groove bottom, U that accepts and penetrates a branch line
A structure is provided in which the inclined edge is provided with a guide rail that engages with an opening slit of a wire harness corrugated tube that is attached to the wire harness, while providing a character-shaped branch line storage notch.

That is, the corrugated tube mounting jig of the present invention is preliminarily fitted to the branch portion of the wire harness to store the trunk line through and store the branch line in the branch line storing notch, and then set. Fit the opening slit of the corrugated tube into the guide rail of the mounting jig in the set state, push it along the guide rail, and then,
The feature is that the corrugated tube is attached to the branch portion of the wire harness by removing the attachment jig.

[0007]

The corrugated tube mounting jig of the present invention as described above can be mounted and set in advance on the branching portion of the wire harness, and the corrugated tube can be fitted and pushed into the inclined guide rail of the jig in the set state. Therefore, the mounting work becomes much easier than in the case of the prior art, and the wire bundle can be prevented from being damaged.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A detailed description will be given with reference to FIG. 1 showing a corrugated tube mounting jig 1 according to an embodiment of the present invention. That is, the mounting jig 1 of this embodiment is configured such that the branch portion 1 of the wire harness 10 that draws out the dividing line 12 from the trunk line 11
3 has a basic shape of a U-shaped groove body which is used as a jig for mounting the corrugated tube 2 and which receives the trunk line 11 from the upper opening 7 and puts it on the groove bottom 4 and stores it therethrough. There is.

The upper edge 5 of the U-shaped groove is inclined from the rear to the front so that the front end reaches the front end portion of the groove bottom 4, and the upper edge 5 of the groove is located outside the groove. It has a projecting flange-shaped guide rail 6, and this guide rail 6 functions as a guide rail when the corrugated tube 2 is mounted.

Further, the mounting jig 1 is provided with a U-shaped branch line receiving notch 3 which is notched rearward from the front end of the groove bottom 4. Then, the whole is made of an elastic groove made of resin, the portion accommodating the trunk line 11 swells in conformity with the shape of the trunk line 11, and the rear end portion of the groove upper edge 5 in the state where the trunk line 11 is accommodated is pinched with a fingertip. When found, the upper openings 7 are easily elastically deformed and the upper openings 7 are narrowed, so that the upper edges 5 of the opposing grooves can be brought close to or joined to each other.

The above mounting jig 1 is used as follows. That is (see (C) and FIG. 2 of FIG. 1), the mounting jig 1 is fitted into the branch portion 13 of the wire harness 10, the trunk line 11 is placed on the groove bottom 4 to be housed therethrough, and the branch line 12 is connected to the branch line. Put it in the storage notch 3 and set it up. Subsequently, by pressing the outer side of the rear end of the groove upper edge 5 in the set state with a fingertip, the groove upper edge 5 protruding above the trunk line 11 is relatively brought close to the upper opening 7 and the upper opening 7 is substantially closed. To After that, the front end of the opening slit 8 of the corrugated tube 2 is fitted into the groove upper edge 5 in the close state, the opening slit 8 is engaged with the guide rail 6 and set, and the state is pushed in from that state and mounted. That is, by the pushing, the opening slit 8 is guided to the guide rail 6 and advances while opening the opening slit 8 to insert the trunk line 11 into the tube, and when it is disengaged from the tip of the guide rail 6, the opening slit 8 closes. The trunk line 11 is accommodated and the branch line 12 protruding from the trunk line is stored and set in the branch line through hole 9 existing in the middle of the opening slit 8.

Subsequently, when the mounting jig 1 is pulled out in the direction of the arrow F in the drawing from that state and is removed, the main line behind the branch line 12 is opened from the opening slit 8 which is opened by being guided by the guide rail 6 which is moving while being removed. 11 enters the corrugated tube 2 and is stored. Thus, the corrugated tube 2 is mounted and set on the branch portion 13 in a normal posture.

When the mounting jig 1 of the embodiment shown in FIG. 1 is used, the mounting work for the branch portion 13 of the corrugated tube 2 becomes extremely easy, and the edge portion of the opening slit 8 of the corrugated tube 2 is connected to the wire harness 10. There is no possibility of rubbing against each other, and damage to the wire harness 10 can be prevented.

The mounting jig 1 of the present invention is not limited to that of the above embodiment, and for example, the upper rail 5 of the groove may be changed to a guide rail 6 curled outward.

[0015]

As described above, the jig for mounting a corrugated tube for a wire harness of the present invention prevents damage to the wire harness to improve quality, and improves workability of mounting the corrugated tube on the wire harness. This has the effect of improving and promoting the improvement of the molding productivity of the wire harness.

[Brief description of drawings]

1A and 1B show a corrugated tube mounting jig according to an embodiment of the present invention, in which FIG. 1A is a perspective view thereof, FIG. 1B is a plan view thereof, and FIG.

FIG. 2 is an explanatory view of a method of using the mounting jig of FIG. 1 embodiment.

[Explanation of symbols]

 1 Mounting jig 2 Corrugated tube 3 Branch line storage notch 4 Groove bottom 5 Groove top edge 6 Guide rail 7 Upper opening 8 Opening slit 9 Branch line through hole 10 Wire harness 11 Trunk line 12 Branch line 13 Branch part

Claims (2)

[Claims] 1. A U-shaped groove body for receiving and penetratingly accommodating a trunk line of a wire harness, wherein an upper edge of the groove forms an inclined edge which inclines from a rear side of the groove body to a front side and reaches the groove bottom. Is an elastic groove body that can be easily expanded / contracted, and further, at the front end portion of the groove bottom, a U-shaped branch line storage cutout for receiving and penetrating the branch line of the wire harness is provided, and the wire harness is provided. A jig for mounting a corrugated tube for a wire harness, characterized in that a guide rail that engages with an opening slit of the corrugated tube for a wire harness to be mounted is provided on the inclined edge. 2. The jig for mounting a corrugated tube for a wire harness according to claim 1, wherein the guide rail has a flange shape with an upper edge of the groove protruding outward.