JPH07241016A - Formed protector for wiring harness - Google Patents

Abstract

PURPOSE:To provide a wiring harness forming protector which is composed of a U-trench shaped protector main part through which the wires of a wiring harness are laid and a cover which covers the top opening of the protector main part and in which moisture penetration into the trench can be avoided and the moisture-proofness can be maintained and the particular moisture-proof countermeasure of the joint parts of the wires can be eliminated. CONSTITUTION:A through-hole 13 is provided at the center of the bottom 8 of a protector main part 1. Another through-hole 13 is provided at the center of a cover 2 which covers the top opening of the protector main part 1. A wiring guide pole 10 is made of elastic rubber and has an attaching part 11 on its bottom end part and a moisture-proof part 12 near its top end. The wiring guide pole 10 is stood on the bottom 8 of the protector main part 1 by inserting the attaching part 11 into the through-hole 13 so as to provide moisture-proofness. Further, the top part of the guide pole 10 is inserted into the through-hole 13 of the cover 2 so as to protrude a little from the through- hole 13 while its moisture-proof part 12 is pressed against the inner side of the cover 2 so as to provide moisture-proofness.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wire harness used for accommodating electric wires of a wire harness, keeping the wire harness arranged in a vehicle body / apparatus in a properly arranged posture, and protecting the electric wires contained therein. The present invention relates to a molding protector.

[0002]

2. Description of the Related Art A molded protector for a wire harness (see FIG. 3) has a protector body 1 having a long U-shaped groove for accommodating and accommodating an electric wire 4 of a wire harness as a main part, and the protector body 1 stores the protector body 1. The wiring jig 3 has a basic structure that covers the lid body 2 for protecting the electric wires 4, and arranges and locks the lid body 2 on the vehicle body / device.
The protector main body 1 is held, the electric wire 4 is laid in the groove, and the protector main body 1 is attached to a key part of the wire harness.

That is, the wiring jig 3 has a shape in which a guide bar 5 for wiring is set upright at the center of a U-shaped receiving portion 9 on which the protector body 1 is placed. The lid 2 is provided with a jig hole 6 penetrating through the guide bar 5, and the protector main body 1 is placed and held on the wire arranging jig 3 so that the guide bar 5 is protruded high and combined. The guide bar 5 functions as a fixed bar and a wire guide bar of the protector body 1 and is wired in the groove.

[0004] After the wiring is completed, the lid 2 is covered, and the opening portions at both ends from which the electric wires 4 are drawn out are
When the tape winding 7 is applied, the electric wires 4 are bundled and wound together with the protector body 1 and the cover body 2, and set in a closed state to form a wire harness molding protector 1 at a key part of the wire harness.
7 is attached to the shape, and then the wiring jig 3
It is removed from the vehicle and is locked by being disposed on the vehicle body or the like.

[0005]

In the molded protector for the wire harness having the above-mentioned conventional structure, the opening portions at both ends of the protector body 1 are temporarily waterproofed by the tape winding 7, but the jig hole 6 in the middle outer periphery is provided. Remains as it is, so that when it is installed on the vehicle body or the like, water may enter from the jig hole 6 and cause an electrical trouble of the storage wire.
Therefore, if the stored electric wire has a connecting portion, a special waterproofing measure is required for the connecting portion, which hinders the formability of the wire for electric wire.

The present invention provides a wire protector for a wire harness that solves the above-mentioned drawbacks of the prior art.

[0007]

A molded protector for a wire harness according to the present invention, which solves the above technical problems, includes: a protector body having a U-shaped groove for inserting a wire harness therethrough;
In a wire harness molded protector including a lid body that covers an upper opening of the protector body, a lower end of the protector body is waterproofly attached to the bottom of the protector body, and the protector body is slightly protruded from the lid body in the covering posture. A structure is provided in which a wire-displacement guide pillar of elastic shape is erected, and a tip end portion of the wire-guide guide pillar is waterproofly inserted into the guide pillar hole of the lid body. The wiring guide column is formed of silicone rubber / elastomer, soft resin, or the like.

[0008]

In the wire harness molded protector of the present invention having the above-described structure, there is a wire guide column that is attached to the bottom of the protector body and stands upright, and the wire guide column projects from the lid (the protector body). Since it has a shape (protruding from the upper edge of the side wall), it corresponds to the guide bar of the wiring jig of the above-mentioned conventional structure and properly functions as a guide for wiring wiring to the protector body. Therefore, the guide bar of the wire laying jig is useless, and the jig holes of the protector body and lid are useless.
Inundation troubles due to the existence of jig holes are eliminated.

Further, in place of the conventional jig hole, a through hole for erected or penetrating the above-mentioned wiring guide column is provided as a lid,
Or even though it is necessary for the lid and the bottom of the protector body,
Since the wiring guide column is an elastic column made of rubber or the like, it can easily ensure waterproofness with its through hole, so that it can accurately waterproof the groove and special waterproofing of the conventional wire connection part. Measures become useless.

[0010]

Embodiments will be described in detail below based on embodiments. First, referring to FIG. 1 showing an embodiment of the present invention, a protector body 1 having a U-shaped groove into which an electric wire 4 of a wire harness is inserted, and a lid body 2 covering an upper opening of the protector body 1.
In the molded protector for a wire harness consisting of, a wiring guide column 10 is provided which is erected upward from the center of the bottom 8 of the protector body 1 in the transverse direction of the groove body and which is slightly protruded from the covered lid body 2. Has been.

That is, the wiring guide column 10 is a separate body made of highly elastic silicone rubber, and the lower end of the wiring guide column 10 is sandwiched by the plate material of the bottom 8 to attach it to the bottom 8 in a waterproof manner. , A flange-shaped waterproof part 12 that contacts the inside of the covered lid 2
Is formed in the vicinity of the upper end, and the through hole 13 for attachment is provided in the bottom 8 and the lid body 2 of the protector body 1 to which the wiring guide column 10 is attached. Is press-fitted from inside the groove of the protector body 1 to be attached and fixed in a waterproof manner, and placed on the receiving portion 9 of the wiring jig 3 (the wiring jig 3 does not include the guide bar 5). The electric wire 4 is inserted from the upper opening thereof and wired in the groove.

After completion of the wiring work, the lid 2
When the cover is covered, the waterproof portion 12 of the wiring guide pillar 10 is covered with the lid body 2.
The wire guide column 10 is housed in the protector body 1 as it is, as the tip of the wire guide column 10 protrudes slightly and the through hole 13 of the lid 2 becomes waterproof. . Then, after the cover body 2 is covered, the tape winding 7 similar to the conventional one is applied to the opening portions at both ends of the protector body 1, and the intermediate portion of the wire harness is housed and disposed and locked to the vehicle body or the like for use. It

The above-mentioned embodiment has the above-mentioned action, the wiring guide column 10 is vertically fixed to the bottom 8 of the protector body 1, and the upper end portion thereof is located above the groove body of the protector body 1. Since it has a projecting shape, when the electric wire 4 is put into the protector body 1 and wiring is performed, the wiring guide column 10
It is possible to accurately and simply distribute the distribution lines to the left and right parts of the groove sectioned by (if the wiring guide column 10 does not have the above-mentioned protruding posture, the distribution distribution lines will be confused when entering the groove. Therefore, it functions as the guide bar 5 of the conventional wiring jig 3.

Therefore, the conventional guide bar 5 of the wiring jig 3
The jig hole 6 is no longer needed, and the water immersion trouble due to the jig hole 6 is eliminated, and the protector body 1 and the through hole 13 of the lid body 2 which replace the conventional jig hole 6 are provided with a wiring guide. Pillar 10
Thus, the respective waterproofness is ensured, so that the inside of the molded protector is prevented from being flooded, and the special waterproofing measure of the connection portion of the electric wire 4 becomes unnecessary.

Next, another embodiment of the present invention will be described with reference to FIG. That is, in the case where the wiring guide column 10 similar to that in the embodiment of FIG. 1 is erected, the fixing pin 13 erected on the wiring jig 3 is provided at the lower end of the wiring guide column 10 of this embodiment.
A pin hole 14 for receiving the wire is inserted, and the fixing pin 13 on the wiring jig 3 side is inserted into the pin hole 14 to improve the stability of the protector body 1 with respect to the wiring jig 3. .

The wiring guide column 10 of the protector for a wire harness of the present invention is not limited to the above-mentioned embodiment, but may be made of an elastomer or a soft resin, or may be wired as shown in FIG. There are changes such as an electric wire restraining piece 15 for pressing the electric wire 4 to prevent the electric wire 4 from dancing due to vibration of the vehicle body, and further covering the tip end portion protruding from the lid body 2 with the waterproof cap 16.

[0017]

As described above, the molded protector for a wire harness of the present invention improves the waterproof property of the molded protector to further improve the protection function of the stored electric wire, and also provides a special waterproofing measure for the stored electric wire. There is an effect of improving the electric wire molding productivity of the wire harness by making it unnecessary.

[Brief description of drawings]

1A and 1B show a molded protector for a wire harness according to an embodiment of the present invention, wherein FIG. 1A is a perspective view showing its structure, FIG. 1B is a cross-sectional view showing its usage, and FIG. (C) is a cross-sectional view of the use state, (D) in the figure is a perspective view of the state of being attached to a wire harness

FIG. 2 is a cross-sectional view showing a molded protector for a wire harness according to another embodiment of the present invention.

FIG. 3 is an explanatory view of the structure and usage of a conventional protector for a wire harness.

[Explanation of symbols]

 1 Protector body 2 Lid body 3 Wiring jig 4 Electric wire 5 Guide bar 6 Jig hole 7 Tape winding 8 Bottom of protector body 10 Wiring guide pillar 11 Attachment part 12 Waterproof part 13 Fixing pin 14 Pin hole 15 Wire restraining piece 16 waterproof cap

Claims (2)

[Claims] 1. A wire harness molded protector comprising a U-shaped groove protector body for inserting a wire harness therethrough and a lid body covering an upper opening of the protector body. Attaching in a waterproof manner, a wire guide column of elastic material having a shape protruding slightly from the cover body in a covered posture is erected, and the tip end of the wire guide column is attached to the cover body. A molded protector for a wire harness, which is characterized in that the guide pillar hole is waterproofly inserted. 2. The molded protector for a wire harness according to claim 1, wherein a holding piece of the stored electric wire is projected on the wiring guide column.