JP2597473Y2 - Branch structure of protector - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a molded protector used as a protection member for a linear body such as a wire harness used in an automobile, and more particularly to a branched structure of a molded protector used in a branch portion of a wire harness or the like.

[0002]

2. Description of the Related Art Conventionally, when a wire harness used for an automobile or the like is fixed to a body frame or the like, a molded protector made of a synthetic resin or the like has been used as a protection member for the wire harness. In particular, various types of branch structures of protectors for protecting a branch portion of a wire harness are known.

[0003] As a first conventional example, Japanese Utility Model Laid-Open Publication No. 4-5101.
A branch structure of a protector described in Japanese Patent Application Laid-Open Publication No. 6-206 is known. As shown in FIG. 5, the protector 51 is made of a synthetic resin or the like, is formed into a gutter-shaped cross section from the bottom and both side surfaces, and has a protector body 53 having both side surfaces high enough to accommodate the electric wire 52, and a cover as a cover. It is composed of a cover 57. The protector body 53 is provided with locking projections 54 on both side surfaces, and a holding member 55 for fixing a branch electric wire is provided at a substantially middle portion of one side surface portion. At a position adjacent to 55, a cutout portion 56 for arranging branch wires is provided. A cover 57 formed in a gutter-shaped cross section for covering the protector main body 53 is provided with a locking receiving portion 58 for engaging the locking projection 54 and the holding member 5.
A notch 59 for wiring is provided at a position corresponding to No. 5.

In the above configuration, the electric wire 52 is accommodated in the protector main body 53, and a branch portion 60 of the electric wire 52 is routed from the notch portion 56, and is temporarily placed at an initial position 60a indicated by a two-dot chain line. . Then, the branch portion 60 that has risen upward in the next stage is brought into contact with the holding member 55, and is fixed by winding the tape 61 together with the holding member 55 at the final position 60b shown by the solid line. In this state, the cover 57 is covered from above, and the locking projections 54 are engaged with the locking receiving portions 58 on the cover 57, so that the cover 57 is fixed to the protector body 53.

Next, as a second conventional example, Japanese Patent Application Laid-Open No.
A branch structure of a protector described in Japanese Patent No. 4406 is known. As shown in FIG.
Are made of a synthetic resin or the like and have a bottom portion and both side portions 72a, 72b.
And a protector body 73 formed in a gutter-shaped cross section from above, and a cover 79 that is covered from above as a lid. Side portions 72a, 72b high enough to accommodate electric wires 52
The protector main body 73 having a notch 74 is provided with a notch 74 for arranging branch wires at a substantially middle portion of the side portion 72b, and a hinge 7 is provided at the bottom of the notch 74.
A side cover 76 is provided, which is connected by the fifth cover 5.
In the vicinity of the tip of the side cover 76, a locking claw 77 is protruded. Further, a plurality of locking receiving portions 78 are provided on the upper portions of both side surfaces 72a and 72b.

A notch 80 is provided at a position corresponding to the notch 74 of the protector body 73 on a cover 79 formed in a gutter-shaped cross section so as to cover the protector body 73. Further, around the cutout portion 80, the branching direction of the electric wire is fixed by surrounding the branching portion 60 of the electric wire 52, and the extension cylindrical portion 8 having the extended surface of the cutout portion 74 opened.
1 is provided. At the open end of the branch tubular portion 81, a locking claw receiving portion 82 for engaging the locking claw 77 is provided. Further, at the lower end of the side surface of the cover 79, a locking projection 83 is provided at a position corresponding to the locking receiving portion 78.

In the above configuration, first, the electric wire 52 and the branch portion 60 are arranged on a wire harness arranging jig, and are wound with a tape as shown by a two-dot chain line. The electric wire 52 is placed on the side cover 76 opened by the hinge 75 and the electric wire 52 is stored in the protector body 73.

After that, the cover 79 is attached to the protector body 73.
The cover 79 is fixed by being put on the upper part, and the locking projection 83 is engaged with the locking receiving part 78. Then, the branch portion 60 of the electric wire 52 is bent upward and the notch portion 8 is formed.
0, the side cover 76 is rotated by the hinge 75, and the notch 74 is closed. At this time, the locking claw 7
7 is engaged with the locking claw receiving portion 82 to lock the side cover 76, and the branch portion 60 is housed in the branch tube portion 81.

[0009]

However, according to the structure of the protector 51 of the first conventional example, the protector body 53 is not provided.
In addition, since the notches 56 and 59 are provided in the cover 57, there is a problem that the rigidity of the entire protector 51 is weakened. In addition, the branch portion 6 of the electric wire at the position of the notch portion 56
Since 0 is exposed, there is a problem that it is damaged from the outside.

Next, in the structure of the protector 71 of the second conventional example, the weakening of the rigidity due to the notch portion 80 of the cover 79 is reinforced by the branch tubular portion 81, and the protector body 7
The weakness of the rigidity due to the notch 74 of the third side is reduced by the side cover 76.
The engaging claws 77 of the branch tubular portion 81 are reinforced by being engaged with the engaging claw receiving portions 82 of the branch tubular portion 81. In addition, since the side cover 76 completely covers the cutout 74, the branch 60 is not damaged from the outside.

However, since the protector body 73 has a deep gutter-shaped cross section as shown in FIG. 6 (b), both side surfaces 72 are formed due to the molding characteristics of the synthetic resin.
The upper ends of the a and 72b are inwardly concave with respect to the width of the bottom. However, since the cross-sectional shape of the cover 79 is a shallow gutter-shaped cross-section, the indentation phenomenon on both sides is not remarkable.
Therefore, when the cover 79 is put on the protector body 73 after the branch portion 60 of the electric wire 52 is routed, the locking projection 8
3 is difficult to be engaged with the receiving portion 78 for locking, and the workability is poor because the side cover 76 must be fitted.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention has been made in view of the above-mentioned problems, and provides a branch structure of a protector which can enhance the rigidity near a notch portion of the protector and improve the workability of assembling. Is to do.

[0013]

According to one aspect of the present invention in accordance above object, a protector body formed into trough-like cross-section and a bottom plate and two side plates to protect the plurality of linear members, the top plate and both side plates from consist lid formed into trough-like cross-section, while being integrated by fixing means provided in the protector body and the lid, for pulling out the branch portion of the linear body in the protector body In the branch structure of a protector provided with a notch, the notch is provided on a bottom plate and one side plate of the protector main body, and one member of the fixing means is provided at a lower end of both side plates of the protector main body. Is provided, and the other member corresponding to the one member is configured to cover the both side plates of the protector body.
This can be achieved by a branch structure of the protector, which is provided at a lower end portion of both side plates of the cover to be covered .

[0014]

In the branch structure of the protector according to the present invention, a notch portion is provided from one side plate to the bottom plate of the protector body, and after the branch portion of the linear body is routed in accordance with the notch portion. The cover is covered from above the protector body. Then, when pressure is applied from above, the distal end provided with the fixing means for the both side plates of the lid descends while abutting against the outer walls of the both side plates of the protector main body, and lowers at the lower ends of both side plates of the protector main body. Engage with the fixing means provided. Therefore, the assembling work is easy,
Since the lid and the both side plates of the protector body are assembled in a double structure, the rigidity is significantly increased.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a branch structure of a protector according to the present invention will be described with reference to FIGS. FIG. 1 is a perspective view of a protector showing one embodiment of the present invention. The branch structure of the protector 1 is such that the branch portion of the wire harness 6 having the branch wire 5 is covered and protected by the protector body 2 and the cover 3 serving as a lid being fixed and fixed by a plurality of fixing means 4. You.

FIG. 2 is a perspective view of the cover 3. It is made of a synthetic resin or the like, and is integrally formed into a gutter-shaped cross section from a top plate 7 and both side plates 8. The side plate 8 is provided on the protector body 2.
And a plurality of locking projections 9 as one member of the fixing means 4 are provided on the outside of the lower end portion thereof.

FIG. 3 is a perspective view of the protector body 2.
The bottom plate 10 and the side plates 11a and 11b are made of synthetic resin or the like and are integrally formed in a gutter-shaped cross section. The side plates 11
a and 11b are the wire harness 6 and the branch wire 5;
Has a height enough to store the data. One side plate 11
b, a side notch 12 for drawing out the branch electric wire 5 is provided.
A bottom notch 13 connected to the bottom plate 10 is provided in the bottom plate 10. Further, a plurality of locking receiving portions 14 as the other members of the fixing means 4 corresponding to the locking projections 9 are provided on the outer sides of the lower ends near the bottom plate 10 of the both side plates 11a and 11b. Further, a holding plate 15 for holding the branch electric wire 5 extends downward at a deep end of the bottom cutout 13 provided in the bottom plate 10.

The assembling of the protector of the present embodiment configured as described above is performed by first installing the branch wire 5 in the protector body 2.
Are wired, and the branch electric wire 5 is inserted into the cutouts 12 and 13 and routed. The wire harness 6 including the branch wires 5 is tape-wrapped at a key point so that the wiring state is not broken. Then, as shown in FIG. 4A, the cover 3 is fitted so as to cover the protector main body 2 from above, and is further pressed from above. At this time, since the openings of the protector body 2 and the cover 3 are narrowed due to the molding characteristics of the synthetic resin, they can be easily fitted. And
If further pressing is continued, the tips of the side plates 8 of the cover 3 descend while sliding on the outer walls of the side plates 11a and 11b of the protector body 2.

Then, as shown in FIG. 4B, a plurality of locking projections 9 as fixing means are provided with a plurality of locking receiving portions 14.
Is engaged. By the engagement of the plurality of locking projections 9 and the locking receiving portions 14, the side plate 8 on the cover side and the side plates 11a and 11b on the protector body side come into contact in parallel, and the two side plates Since the heavy structure is formed, the rigidity is further enhanced. At the same time, the side notch 12 is covered by the side plate 8. Then, after the branch wire 5 is wound and fixed together with the holding plate 15 with the tape 16, the branch wire 5 is removed from an electric wire routing jig (not shown) or the like.

As described above, according to the present embodiment, the side notch 12 of the protector body 2 is completely covered by one of the side plates 8 of the cover 3, so that the branch wire 5 may be damaged from the outside. No, safety is improved. Furthermore,
Since a double structure is formed by both side plates of the protector body 2 and the cover 3 and both are firmly fixed to each other by fixing means 4 provided at both lower ends of the protector body 2 and the cover 3, the entire protector is formed. Has an extremely high rigidity and reliability is improved. Further, since both the protector main body 2 and the cover 3 are formed with the both side plates being high, the phenomenon of the opening portion erosion due to the molding characteristics is almost the same. I have.

It should be noted that the present invention is not limited to the above-described embodiment, but can be embodied in other modes by making appropriate changes. For example, in the embodiment, the holding plate 15 is provided so as to hang down from the deep end of the bottom notch 13. However, the holding plate 15 may hang down from one of the other two sides constituting the bottom notch 13. Not something. Also,
For the sake of explanation, the names indicating the vertical direction such as the top plate and the bottom plate are used. However, if the relative positional relationship of the branch structure of the protector is not broken, the branch direction of the branch electric wire 5 may be directed to a desired direction. Needless to say, it can be mounted on a vehicle body or the like.

[0022]

As described above, according to the branch structure of the protector of the present invention, the side notch provided on the side plate on the protector body side is completely covered by the raised side plate on the lid side. In addition, there is no possibility that the branch portion of the linear body is damaged from the outside, and the safety of the protector is improved. Also,
Both side plates of the protector body and the lid are engaged by the fixing means provided at the lower end of the side plate, and a double structure is formed by the both side plates, so that the rigidity of the entire protector is enhanced, Increases reliability. In addition, the protector body and the lid body have the same height on both side plates, and have a deep gutter-shaped cross-section. And work efficiency is greatly improved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a branch structure of a protector according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a cover.

FIG. 3 is a perspective view showing a protector body.

FIGS. 4A and 4B are explanatory views showing an engaged state between the protector body and a cover. FIG. 4A shows a state in which the cover is covered by the protector body, and FIG. Shows the engaged state.

FIG. 5 is a perspective view showing a branch structure of a protector according to a first conventional example.

FIG. 6 shows a branch structure of a protector of a second conventional example,
(A) is a perspective view of the protector, and (b) is an explanatory view showing an engagement state between the cover and the protector body.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Protector 2 Protector main body 3 Cover (lid) 4 Fixing means 5 Branch wire (branch part) 6 Wire harness (linear body) 7 Top plate 8 Side plate 9 Locking projection 10 Bottom plate 11 Side plate 12 Side cutout 13 Bottom cutout 14 Lock receiving part 15 Holding plate 16 Tape

Claims (1)

(57) [Scope of request for utility model registration] 1. A protector body formed into a gutter-shaped cross section from a bottom plate and both side plates to protect a plurality of linear bodies,
The protector body and the cover are formed by a gutter-shaped cross-section from the top plate and both side plates.
In a branch structure of a protector provided with a cutout portion for pulling out a branch portion of the linear body, the cutout portion is provided on a bottom plate and one side plate of the protector body, and While one member of the fixing means is provided at the lower end of both side plates,
The other member corresponding to one of the members is the protector.
A branch structure of a protector, which is provided at a lower end portion of both side plates of the lid that covers the both side plates of the protector body.