JP2004166452A - Protector for wire harness - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent a wire harness inserted into a protector from floating at the flex portion of the protector. <P>SOLUTION: This protector includes a sectional recess shape having a bottom wall and both sidewalls. The protector is made of a resin molding for inserting the wire harness into an internal space. A retaining rib is projected from the upper end of the sidewall toward the space at the portion flexed at 30-180° in a length direction, and the rib is brought into contact with the harness for inserting the rib into the space of the protector so that the harness may not float from the space at the flexed portion. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a protector for a wire harness, and prevents a wire harness inserted into the protector from being lifted at a bent portion of the protector.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, regarding a protector for inserting a wire harness to be routed in an automobile, the present applicant has previously provided a method for accommodating electric wires in the protector shown in FIG. (See Japanese Patent Application Laid-Open No. H7-245846) This method of housing an electric wire w in a protector body 1 having a concave cross-section and having notches 1a formed at predetermined positions on both side walls thereof is disclosed. A rubber band 3 is stretched between a pair of hooks 2 arranged at positions corresponding to the notches 1a on both sides of the main body 1, and the protector main body 1 is inserted by the rubber bands 3 inserted into the protector main body 1 from the notches 1a. In this state, the cover 4 is put on the protector main body 1 and finally the rubber band 3 is pulled out from the notch 1a.
[0003]
[Patent Document 1]
JP-A-7-245846
[Problems to be solved by the invention]
However, according to the above-described method of housing the electric wire in the protector, it is necessary to install the hook 2 on the wire harness assembling work table, and after the electric wire w is accommodated in the protector body 1, the hook 2 is attached to the rubber. After covering the protector body 1 with the cover 4 over the band 3, it is necessary to pull out the rubber band 3, and there is a problem that the number of parts and the number of working steps increase. Further, there is a problem that the electric wire w accommodated in the protector main body 1 is exposed from the notches 1a provided on both side walls of the protector main body 1.
[0005]
The present invention has been made in view of the above problems, and has as its object to facilitate the work of attaching a protector to a wire harness without increasing the number of parts and the number of work steps.
[0006]
[Means for Solving the Problems]
In order to solve the above problems, the present invention is a protector made of a resin molded product having a concave cross section having a bottom wall and both side walls, and a wire harness inserted into an internal space,
A holding rib protrudes from the upper end of the side wall toward the internal space at a portion bent at 30 ° to 180 ° in the length direction, so that the wire harness does not rise above the internal space at the bent portion. And wire harness protectors.
[0007]
With the above configuration, at the bent portion of the protector where the wire harness is easily lifted, a holding rib protrudes from the upper end of the side wall of the protector body toward the internal space, and the wire harness that is to be lifted by the holding rib is inserted into the protector body. Since the wire harness is held down, the lifting of the wire harness can be prevented, and the work of attaching the lid to the protector body can be facilitated.
[0008]
Since the holding rib is provided integrally with the protector body, the number of parts is not increased, and a wire harness is inserted into the protector body and the wire harness is merely hooked on the holding rib. Therefore, workability does not deteriorate.
In addition, the above structure is applied to a bent portion of the protector. In particular, when the bending angle is 30 ° or more with respect to the length direction of the protector, the wire harness inserted into the protector body is easily lifted. Therefore, the above structure can be suitably applied.
[0009]
In addition, when the bent portion is a portion where the branch route is bent from the main route and is branched, it is difficult to regulate the direction of the wire harness particularly at the branch portion of the wire harness, and the wire harness is easily lifted. Further, since it is a very complicated operation for the worker to cover the protector body while holding all the trunk lines and branch lines by hand, the above-described structure provided with the holding ribs is effective.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 to 3 show a first embodiment of the present invention. The protector includes a protector main body 11 and a lid (not shown) for closing an upper opening of the protector main body 11.
[0011]
As shown in FIGS. 1 and 2, the protector body 11 has a concave cross-sectional shape including a bottom wall 11a, an inner peripheral side wall 11b, and an outer peripheral side wall 11c, and has a bottom wall 11a, an inner peripheral side wall 11b, and an outer peripheral side wall 11c. Is defined as an insertion space of the wire harness. The protector main body 11 is bent at a right angle to the longitudinal direction by 45 ° at a substantially central position in the longitudinal direction. A holding rib 11e is provided to project horizontally from the upper end of the inner peripheral side wall 11b of the bent portion 11d toward the internal space S. The tip 11e-1 of the holding rib 11e has an arcuate surface in accordance with the bending of the protector main body 11, thereby facilitating insertion of the wire harness W / H into the internal space S of the protector main body 11.
A lock frame 11f for inserting and locking a lock piece (not shown) projecting from the lid is provided on the outer surfaces of the inner peripheral side wall 11b and the outer peripheral side wall 11c.
[0012]
As shown in FIG. 3, a wire harness W / H obtained by winding a tape around a wire group is inserted into the inner space S of the protector body 11, and the wire harness W / H is hooked on a holding rib 11 e of the protector body 11. Thus, the lifting of the wire harness W / H is prevented, so that the wire harness W / H does not protrude from the internal space S of the protector body 11. Then, the lock piece provided on the lid for closing the upper opening of the protector body 11 is inserted and locked in the lock frame 11f of the protector body 11, and the protector body 11 and the lid are locked and the internal space S is closed from above. are doing.
[0013]
With the above configuration, at the bent portion 11d of the protector where the wire harness W / H is easily lifted, the pressing rib 11e is protruded from the upper end of the inner peripheral side wall 11b of the protector main body 11 toward the internal space S, and the pressing rib 11e is used. Since the wire harness W / H to be lifted is pressed into the inner space S of the protector main body 11, the wire harness W / H can be prevented from floating, and the work of attaching the lid to the protector main body 11 can be facilitated. .
Further, since the holding rib 11e is provided by integral molding with the protector body 11, the number of components is not increased, and the wire harness W / H is inserted into the internal space S, and the wire harness W / H is inserted. Since H is merely hooked on the holding rib 11e, workability does not deteriorate.
[0014]
FIG. 4 shows a first modification of the first embodiment, in which the holding rib 11e is inclined downward toward the internal space S.
With the above configuration, the wire harness W / H can be easily inserted into the internal space S of the protector main body 11 and can be hardly removed.
Note that the other configuration is the same as that of the above-described first embodiment, and a description thereof will be omitted.
[0015]
FIG. 5A shows a second modification of the first embodiment, in which the protector main body 11 protrudes the holding rib 11 e from the upper end of the outer peripheral side wall 11 c of the bent portion 11 d of the protector main body 11 toward the internal space S. Has been established.
With the above configuration, when the wire harness W / H is slackened in the internal space S of the protector main body 11, it is possible to effectively prevent the wire harness W / H from floating.
Note that the other configuration is the same as that of the above-described first embodiment, and a description thereof will be omitted.
[0016]
FIG. 5B shows a third modified example of the first embodiment. The protector main body 11 has an inner space extending from the upper ends of both inner side walls 11 b and outer side walls 11 c of the bent portion 11 d of the protector main body 11. A holding rib 11e is protruded toward S.
With the above configuration, even when the wire harness W / H having a smaller diameter than that of the first embodiment is inserted into the internal space S of the protector main body 11, it is possible to effectively prevent the wire harness W / H from rising.
Note that the other configuration is the same as that of the above-described first embodiment, and a description thereof will be omitted.
[0017]
Note that the bending angle of the bent portion of the protector body is not limited to 45 °, and the above structure can be applied in a range of 30 ° to 180 °.
[0018]
FIGS. 6 and 7 show a second embodiment of the present invention, in which the protector comprises a protector body 11 'and a lid (not shown) for closing an upper opening of the protector body 11'.
[0019]
As shown in FIG. 6, the protector body 11 ′ has a concave cross section including a bottom wall 11 a ′, an inner peripheral side wall 11 b ′, and an outer peripheral side wall 11 c ′. The internal space S 'surrounded by the side wall 11c' is used as the insertion point of the wire harness W / H '.
In addition, the protector main body 11 'inserts a main path 11A' through which the main line W / H-1 'of the wire harness W / H' is inserted and a branch line W / H-2 'branched from the main line W / H-1'. It is composed of a branch path 11B '. The main path 11A 'bends 45 ° rightward with respect to the length direction at the bent part 11d', and the branch path 11B 'branches off from the main path 11A' near the bent part 11d 'of the main path 11A'. . The bending angle of the branch path 11B 'is set to 90 [deg.] Leftward with respect to the main path 11A-1' ahead of the bending portion 11d '.
[0020]
A pressing rib 11e 'is provided to protrude horizontally from the upper end of the inner peripheral side wall 11b' of the bent portion 11d 'toward the internal space S' to hold the bent position of the main line W / H-1 '. A holding rib 11e-2 'is provided to hold a branch position where 1' and the branch line W / H-2 'branch from the main line W / H-1'.
[0021]
As shown in FIG. 7, a trunk line W / H-1 'of a wire harness W / H' in which a tape is wound around a wire group is inserted into a main path 11A 'of the protector body 11', and a branch line is connected to a branch path 11B '. W / H-2 'is inserted, the bent position of the trunk line W / H-1' is held on the rib 11e-1 ', and the branch position of the branch line W / H-2' is held on the rib 11e-2 '. To prevent the wire harness W / H 'from lifting up, so that the wire harness W / H' does not protrude from the internal space S 'of the protector body 11'. After that, the protector main body 11 'and the lid are locked together to close the internal space S' from above.
[0022]
With the above configuration, the wire harness W / H ', which is about to be lifted by the holding rib 11e', is pressed into the protector body 11 'at the bent portion 11d' and the branch portion of the protector where the wire harness W / H 'is likely to float. In addition, it is possible to prevent the wire harness W / H 'from being lifted up, and to easily attach the lid to the protector body 11'.
[0023]
Further, since the holding rib 11e 'is provided by integral molding with the protector body 11', the number of parts is not increased, and the wire harness W / H 'is inserted into the protector body 11'. Since the wire harness W / H 'is merely hooked on the holding rib 11e', workability does not deteriorate. In particular, when the wire harness W / H 'has a branch portion as in the present embodiment, it is necessary to hold down both the trunk line W / H-1' and the branch line W / H-2 'into the internal space S'. Both the W / H-1 ′ and the branch line W / H-2 ′ are pressed into the internal space S ′ by the pressing rib 11e ′, so that the work of attaching the lid can be facilitated.
[0024]
【The invention's effect】
As is clear from the above description, according to the present invention, at the bent portion of the protector where the wire harness is easily lifted, the holding rib is projected from the upper end of the side wall of the protector body toward the internal space, and the holding rib is lifted up by the holding rib. Since the wire harness to be squeezed is pressed into the internal space of the protector main body, the lifting of the wire harness can be prevented, and the work of attaching the lid to the protector main body can be facilitated.
[0025]
Since the holding rib is provided integrally with the protector body, the number of components is not increased, and a wire harness is inserted into the internal space of the protector body, and the wire harness is hooked on the holding rib. Therefore, workability does not deteriorate.
[0026]
Further, when the bent portion is a portion where the branch route is bent and branched from the main route, particularly in the branch position of the wire harness, it is difficult to regulate the direction of the wire harness, and the wire harness is easily lifted. It is very complicated work to cover the protector body while holding down the main line and branch line by hand.However, since the holding ribs hold the main line and branch line into the internal space of the protector body, Can be easier.
[Brief description of the drawings]
FIG. 1 is a perspective view illustrating a protector body according to a first embodiment.
FIGS. 2A and 2B show a protector body according to the first embodiment, wherein FIG. 2A is a plan view and FIG. 2B is a sectional view taken along line I1-I1.
FIGS. 3A and 3B show a state in which a wire harness is inserted into a protector main body, wherein FIG. 3A is a plan view and FIG. 3B is a sectional view taken along line I2-I2.
FIG. 4 is a sectional view showing a first modification of the first embodiment.
FIG. 5A is a plan view of a second modification of the first embodiment, and FIG. 5B is a plan view of a third modification of the first embodiment.
FIG. 6 is a plan view illustrating a protector body according to a second embodiment.
FIG. 7 is a plan view showing a state where a wire harness is inserted into the protector body.
FIG. 8 is a drawing showing a conventional example.
[Explanation of symbols]
11 Protector main body 11b Inner peripheral side wall 11c Outer peripheral side wall 11d Bent portion 11e Holding rib S Internal space W / H Wire harness

Claims (2)

A protector made of a resin molded product having a concave cross section having a bottom wall and both side walls, and a wire harness inserted into an internal space,
A holding rib protrudes from the upper end of the side wall toward the internal space at a portion bent at 30 ° to 180 ° in the length direction, so that the wire harness does not rise above the internal space at the bent portion. Wire harness protector. The bent portion is a portion where the branch path is bent and branched from the main path, and the holding rib protrudes from the upper end of the side wall on the main path side at the branch position, so that the portion where the branch line branches off from the main line of the wire harness does not rise. The wire harness protector according to claim 1, wherein

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