JP7188292B2 - Wire harness protector - Google Patents

Description

The present disclosure relates to wire harness protectors.

Patent Literature 1 describes a protector that accommodates and protects wire harnesses routed to a vehicle body. Such a protector has a gutter-shaped body and a cover that covers the opening of the body. A side wall of the body is provided with a female lock. The female lock has a vertically extending hole and a laterally extending bar. A male lock is provided below the edge of the cover. The male lock has a base plate and a locking projection. By fitting the male lock and the female lock together, the cover and the main body are locked to each other.

Japanese Utility Model Laid-Open No. 2-14219

By the way, in the above protector, there is play between the female lock and the male lock, so there is a problem that the cover rattles with respect to the main body due to vehicle vibrations.
Moreover, depending on the shape of the path for routing the wire harness, there are cases where both a hinge-type cover formed integrally with the main body and a cover formed separately from the main body are provided. Even in such a case, there is a risk that the cover formed separately from the main body will rattle.

Accordingly, it is an object of the present invention to provide a wire harness protector capable of suppressing rattling of the cover.

A wire harness protector of the present disclosure is a resin protector that accommodates a wire harness, and includes a gutter-shaped main body having a bottom wall and a pair of side walls provided on both sides of the bottom wall, and one of the side walls and a hinge. A first cover integrally formed via a first side wall and detachably attached to the other side wall to cover an opening of the main body is separate from the main body and can be detached from the main body. a second cover that can be provided and covers the opening of the main body, wherein the first cover and the second cover are provided adjacent to each other in an extending direction of the main body, and the first cover There is provided an overlap portion where the outer surface of the second cover overlaps with the inner surface of the second cover.

ADVANTAGE OF THE INVENTION According to this indication, it becomes possible to provide the protector for wire harnesses which can suppress the rattling of a cover.

FIG. 1 is a perspective view showing a wire harness protector of one embodiment. FIG. 2 is an exploded perspective view showing a body and a cover of the same configuration separated from each other. FIG. 3 is a cross-sectional view showing an enlarged overlapping portion of the same configuration. FIG. 4 is a cross-sectional view showing an enlarged overlapping portion of a comparative example.

[Description of Embodiments of the Present Disclosure]
First, the embodiments of the present disclosure are listed and described.
The wire harness protector of the present disclosure is
[1] A resin protector for housing a wire harness, which is integrally formed with a gutter-shaped main body having a bottom wall and a pair of side walls provided on both sides of the bottom wall, and one of the side walls and a hinge. a first cover that is provided to be engageable and detachable with respect to the other side wall and covers the opening of the main body, and a first cover that is separate from the main body and is provided to be engageable and detachable with respect to the main body, a second cover that covers the opening of the main body, wherein the first cover and the second cover are provided adjacent to each other in the extending direction of the main body, and the outer surface of the first cover and the second cover are provided; There is provided an overlap portion where the inner surfaces of the two covers overlap.

According to the above aspect, the first cover is urged in the opening direction of the first cover, that is, outward by the elastic restoring force of the hinge. Therefore, in the overlapping portion where the outer surface of the first cover and the inner surface of the second cover overlap, the second cover is urged outward by the first cover that is urged outward. This makes it possible to reduce or eliminate the play in the engaging portion between the second cover and the main body. Therefore, rattling of the cover can be suppressed.

[2] It is preferable that the overlapping portions are provided on both sides of the second cover in the extending direction.
According to the above aspect, it is possible to reduce or eliminate the play in the engaging portion between the second cover and the main body on both sides in the extending direction of the second cover. Therefore, rattling of the cover can be further suppressed.

[3] The main body has a plurality of linear portions extending linearly and bent portions provided between the adjacent linear portions, and the second cover includes the It is preferred to cover the opening.

In a configuration in which the main body has a plurality of straight portions and curved portions provided between adjacent straight portions, the openings of the curved portions are covered by a first cover that is integrally formed with the main body via hinges. Covering it causes the following inconveniences. That is, the first cover also has a shape bent in the extending direction. As a result, problems such as the complication of molds for molding the main body and the first cover may occur. In this regard, according to the above aspect, the opening of the bent portion is covered with the second cover that is separate from the main body. For this reason, it is possible to suppress complication of the mold for molding the main body and the first cover. Also, the second cover has a shape bent in the extending direction. However, since the second cover is separate from the main body, it is difficult to mold it.

[4] an end portion of the first cover that constitutes the overlapping portion is located inside an outer surface of another portion of the first cover and has a thickness smaller than that of the other portion; It is preferable that the end portion of the second cover forming the overlapping portion is located outside the inner surface of the other portion of the second cover and has a smaller thickness than the other portion. If the outer surface of the first cover and the inner surface of the second cover are simply placed on top of each other, a step will occur on the outer and inner surfaces of the first cover and the second cover due to the overlapping portion. In this respect, according to the above-described aspect, the end portion of the first cover and the end portion of the second cover, which constitute the overlapping portion, escape from each other. Thereby, it is possible to suppress the occurrence of a step due to the overlapping portion on the outer surface and the inner surface of the protector.

[5] It is preferable that an outer corner portion of an end portion forming the overlapping portion of the second cover is chamfered.
If a level difference is generated on the outer surfaces of the first cover and the second cover due to the overlap, the level difference is likely to be caught by parts around the protector. In this case, there is a possibility that an inconvenience such as the second cover being unintentionally opened may occur. In this regard, according to the above aspect, since the outer corners of the ends forming the overlapping portion of the second cover are chamfered, even if the above-described stepped difference occurs, the stepped portion does not reach the periphery of the protector. can be suppressed from being caught in the parts of

[Details of the embodiment of the present disclosure]
An embodiment of a wire harness protector (hereinafter protector 10) will be described below with reference to FIGS. 1 to 3. FIG. The present disclosure is not limited to these examples, but is indicated by the scope of the claims, and is intended to include all modifications within the scope and meaning equivalent to the scope of the claims.

As shown in FIGS. 1 and 2 , the protector 10 includes a gutter-shaped main body 20 and a pair of first and second covers 30 and 40 that cover the opening 23 of the main body 20 . The main body 20 and the cover 30 are integrally formed of a hard resin material such as polypropylene. Also, the first cover 30 and the second cover 40 are provided adjacent to each other in the extending direction of the main body 20 . Henceforth, the extending direction of the main body 20 is simply described as the extending direction.

(Configuration of main body 20)
As shown in FIG. 1, the main body 20 has three linear portions 20A, 20B, 20C linearly extending at intervals in the extending direction. A bent portion 20D is provided between the linear portions 20A and 20B adjacent to each other. A bent portion 20E is provided between the other adjacent linear portions 20B and 20C. In this embodiment, the angle between the adjacent straight portions 20A, 20B (20B, 20C), that is, the angle of the bent portion 20D (20E) is set at 120 degrees.

The main body 20 has a bottom wall 21 extending along the extension direction and a pair of side walls 22 provided on both sides of the bottom wall 21 .
Each side wall 22 extends over the entire extending direction of the bottom wall 21 . A locking frame portion 24 capable of locking the locking claw portion 34 of the first cover 30 is provided on the outer surface of the side wall 22 on one of the linear portions 20A and 20C (the front side in FIG. 2). A locking frame portion 24 capable of locking the locking claw portion 44 of the second cover 40 is provided on the outer surface of each side wall 22 of the straight portion 20B.

(Configuration of first cover 30 and second cover 40)
As shown in FIG. 1, a pair of first covers 30 are provided on both sides of the main body 20 in the extending direction. The first cover 30 on one side (left side in the figure) covers the opening 23 of the straight portion 20A, and the first cover 30 on the other side (right side in the figure) covers the opening 23 of the straight portion 20C. Since the configuration of the pair of first covers 30 is basically the same, the former configuration will be described below, and the latter configuration will be omitted.

As shown in FIG. 2, the first cover 30 is integrally formed with one side wall 22 of the main body 20 (back side in the figure) via a hinge 25, and the other side wall 22 (front side in the figure). It is provided so that it can be engaged with and disengaged from. The first cover 30 has a rectangular top wall 31 facing the bottom wall 21 of the linear portion 20A, and a side wall 32 provided at the end of the top wall 31 opposite to the hinge 25. . The side walls 32 are provided along the entire extending direction of the top wall 31 . The side wall 32 is provided with locking claw portions 34 that are locked to the lock frame portions 24 of the linear portion 20A.

The second cover 40 is a separate body from the main body 20 and is provided so as to be engageable with and detachable from the main body 20 . The second cover 40 covers the straight portion 20B and the openings 23 of the curved portions 20D and 20E. The second cover 40 has a top wall 41 facing the bottom walls 21 of the straight portion 20B and the curved portions 20D and 20E, and a pair of side walls 42 provided at both ends of the top wall 41 in the extending direction. there is That is, the second cover 40 has a shape bent in the extending direction. Each side wall 42 is provided over the entire extending direction of the top wall 41 . The side wall 42 is provided with locking claw portions 44 that are locked to the lock frame portions 24 of the linear portion 20B.

(Configuration of overlap section 50)
FIG. 3 is a cross-sectional view showing a portion where the first cover 30 and the second cover 40 are adjacent to each other in the extending direction. The end portion 31a of the top wall 31 of the first cover 30 is located inside the outer surface of the other portion of the top wall 31 and has a smaller thickness than the other portion. In addition, the end portion 41a of the top wall 41 of the second cover 40 is located outside the inner surface of the other portion of the top wall 41 and has a smaller thickness than the other portion.

An overlap portion 50 is formed by the outer surface of the end portion 31a of the first cover 30 and the inner surface of the end portion 41a of the second cover 40 overlapping each other. In this embodiment, each of the pair of first covers 30 has an overlap portion 50 . That is, the overlapping portions 50 are provided on both sides of the second cover 40 in the extending direction.

An outer corner portion 41b of an end portion 41a of the second cover 40 forming the overlapping portion 50 is chamfered so as to be inclined inward toward the first cover 30 in the extending direction.

In addition, in the extending direction, the portion between the outer surface of the end portion 31a of the top wall 31 of the first cover 30 and the outer surface of the other portion of the top wall 31 inclines inward toward the second cover 40. An inclined surface 31b is provided.

Next, the effects of this embodiment will be described.
(1) The protector 10 includes a gutter-shaped main body 20 having a bottom wall 21 and a pair of side walls 22 provided on both sides of the bottom wall 21, and a first cover 30 and a second cover 40 covering an opening 23 of the main body 20. It has The first cover 30 is integrally formed with one of the side walls 22 via a hinge 25 and is provided to be detachable from the other side wall 22 . The second cover 40 is a separate body from the main body 20 and is provided so as to be engageable with and detachable from the main body 20 . The first cover 30 and the second cover 40 are provided adjacent to each other in the extending direction of the main body 20, and an overlap portion 50 is provided in which the outer surface of the first cover 30 and the inner surface of the second cover 40 overlap each other. .

According to this aspect, the first cover 30 is urged in the opening direction of the first cover 30, that is, outward due to the elastic restoring force of the hinge 25 . Therefore, in the overlapping portion 50 where the outer surface of the first cover 30 and the inner surface of the second cover 40 overlap, the second cover 40 is pushed outward by the first cover 30 that is biased outward. energized. This makes it possible to reduce or eliminate the play in the engaging portion between the second cover 40 and the main body 20 . Therefore, rattling of the second cover 40 can be suppressed.

(2) The overlapping portions 50 are provided on both sides of the second cover 40 in the extending direction.
According to this aspect, it is possible to reduce or eliminate the play in the engaging portion between the second cover 40 and the main body 20 on both sides in the extending direction of the second cover 40 . Therefore, rattling of the second cover 40 can be further suppressed.

(3) The main body 20 includes three linear portions 20A, 20B, 20C extending linearly, and a bent portion 20D (20E) provided between the adjacent linear portions 20A, 20B (20B, 20C). , and the second cover 40 covers the openings 23 of the bent portions 20D and 20E.

In a configuration in which main body 20 has three straight portions 20A, 20B, 20C and bent portions 20D, 20E provided between adjacent straight portions 20A, 20B (20B, 20C), If the openings 23 of the bent portions 20D and 20E are covered with the first cover 30 integrally formed with the main body 20, the following problems arise. That is, when the openings 23 of the bent portions 20D and 20E are covered with the first cover 30 integrally formed with the main body 20 via the hinges 25, the first cover 30 also has a shape bent in the extending direction. becomes. Therefore, there is a possibility that problems such as complication of the mold for molding the main body 20 and the first cover 30 may occur.

In this respect, according to the above aspect, the second cover 40, which is separate from the main body 20, covers the openings 23 of the bent portions 20D and 20E. Therefore, complication of the mold for molding the main body 20 and the first cover 30 can be suppressed. Also, the second cover 40 has a shape bent in the extending direction. However, since the second cover 40 is separate from the main body 20, it is difficult to mold it.

(4) The end portion 31a forming the overlapping portion 50 of the first cover 30 is located inside the outer surface of the other portion of the first cover 30 and has a smaller thickness than the other portion. . The end portion 41a forming the overlapping portion 50 of the second cover 40 is located outside the inner surface of the other portion of the second cover 40 and has a smaller thickness than the other portion.

If the outer surface of the first cover 30 and the inner surface of the second cover 40 are simply placed on top of each other, a difference in level due to the overlapping portion 50 will occur on the outer and inner surfaces of the first cover 30 and the second cover 40 . In this respect, according to the above aspect, the end portion 31a of the first cover 30 and the end portion 41a of the second cover 40 that constitute the overlapping portion 50 escape from each other. Thereby, it is possible to suppress the occurrence of steps due to the overlapping portion 50 on the outer surface and the inner surface of the protector 10 .

(5) The outer corner 41b of the end 41a forming the overlapping portion 50 of the second cover 40 is chamfered.
As shown in FIG. 4 , when a step 60 is formed on the outer surfaces of the first cover 30 and the second cover 40 due to the overlap, the step 60 is likely to be caught by parts around the protector 10 . In this case, there is a possibility that an inconvenience such as the second cover 40 being unintentionally opened may occur.

In this regard, according to the above-described aspect, since the outer corner portion 41b of the end portion 41a constituting the overlapping portion 50 of the second cover 40 is chamfered, even if the above-described step difference occurs, can be suppressed from being caught on parts around the protector 10.例文帳に追加

This embodiment can be implemented with the following modifications. This embodiment and the following modified examples can be implemented in combination with each other within a technically consistent range.
- The outer corner 41b of the end 41a of the second cover 40 may not be chamfered.

- The end portions 31a, 41a of the first cover 30 and the second cover 40 forming the overlapping portion 50 may have the same thickness as the other portions of the top walls 31, 41 .
- The shape of the main body 20 is not limited to the shape of the above embodiment. For example, it may be composed only of straight portions. Moreover, it may have a branched portion branched from the straight portion.

- The overlap portion 50 may be provided in at least one place where the outer surface of the first cover 30 and the inner surface of the second cover 40 overlap.

DESCRIPTION OF SYMBOLS 10... Protector 20... Main body 20A, 20B, 20C... Straight part 20D, 20E... Bent part 21... Bottom wall 22... Side wall 23... Opening part 24... Lock frame part 25... Hinge 30... First cover 31... Top wall 31a... End portion 31b Inclined surface 32 Side wall 34 Locking claw portion 40 Second cover 41 Top wall 41a End portion 41b Corner portion 42 Side wall 44 Locking claw portion 50 Overlap portion 60 Step

Claims (5)

A resin protector that houses a wire harness,
a gutter-shaped body having a bottom wall and a pair of side walls provided on both sides of the bottom wall;
a first cover that is integrally formed with one of the side walls via a hinge, is detachably provided on the other of the side walls, and covers the opening of the main body;
a second cover that is separate from the main body, is provided to be detachable from the main body, and covers the opening of the main body;
The first cover and the second cover are provided adjacent to each other in the extending direction of the main body,
An overlap portion is provided in which the outer surface of the first cover and the inner surface of the second cover overlap ,
The first cover is provided so as to be engageable and detachable with respect to the other side wall by being engaged with an engaging portion provided on the other side wall,
The second cover is provided so as to be engageable and detachable with respect to the main body by engaging engaging portions provided on one of the side walls and the other of the side walls.
Wire harness protector. The overlapping portions are provided on both sides of the second cover in the extending direction,
The wire harness protector according to claim 1. The main body has a plurality of linear portions extending linearly and bent portions provided between the adjacent linear portions,
wherein the second cover covers the opening of the bent portion;
The wire harness protector according to claim 1 or 2. an end portion of the first cover that constitutes the overlapping portion is located inside the outer surface of the other portion of the first cover and has a thickness smaller than that of the other portion;
An end portion of the second cover that constitutes the overlapping portion is positioned outside the inner surface of the other portion of the second cover and has a smaller thickness than the other portion.
The wire harness protector according to any one of claims 1 to 3. an outer corner portion of an end portion forming the overlap portion of the second cover is chamfered;
The wire harness protector according to any one of claims 1 to 4.

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