JP2010051096A - Protector for wire harness - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To fix an electric-wire group to a protector with excellent workability. <P>SOLUTION: The protector is configured such that an electric-wire passage 5 includes a bottom wall 2 and sidewalls 3, 4 protruding from both end edges in a width direction of the bottom wall 2. Each partition wall is erected on the tip side in a length direction of the bottom wall so as to divide the electric-wire passage. Two or more through-holes 10 (10a, 10b) for a fastening band are provided in at least either one of the bottom wall 2 and each sidewall 3, 4 at a position along each tip opening of the divided electric-wire passages. A band piece of one fastening band 25 is continuously inserted into the two through-holes and wound around the electric-wire group, inserted into the electric-wire passage, so as to fasten and fix the electric-wire group. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a protector for a wire harness, and more particularly, to a protector for inserting and protecting a wire harness routed in a vehicle, and fixing the wire harness to the protector with good workability.

The wire harness routed in the automobile is inserted into a protector made of a resin molded product for the purpose of protecting the electric wire group from the path regulation and the external interference material.
The protector has a substantially bowl shape provided with a passage of an electric wire group surrounded by a bottom wall and both side walls, projects a tape-wrapped tongue piece from the bottom walls at both ends in the length direction, and the tape-wrapped tongue piece and the wire Adhesive tape is wrapped around the group to secure the wire group to the protector.

  As this type of protector, JP-A No. 64-81610 (Patent Document 1) is provided. As shown in FIG. 9, the protector 100 includes clip bands 111, 121, and 131 for locking the vehicle body that are attached in advance to a plurality of sets of electric wire groups 110, 120, and 130 that are inserted in parallel inside the protector 100. In order to pass the clips 111a, 121a, 131a, three clip holes 102, 103, 104 are provided in parallel on the bottom wall 101 of the protector 100.

In the protector, in order to divide each wire group 110-130 by the protector 100, the clip bands 111-131 are bundled in advance, and these clip bands 111-131 are connected to the clip holes 102-104 of the protector 100 and the vehicle body. There is a problem that it is necessary to wind the clip band around the electric wire group in advance at a position that exactly matches the clip locking hole, and it takes time to align the clip band when it is attached.
Further, the clips 111 a to 131 a of the clip bands 111 to 131 are not directly fixed to the protector 100. Only the support shafts of the clips 111a to 131a are passed through the clip holes 102 to 104. After the clips 111a to 131a are inserted and locked in the locking holes on the vehicle body side, the electric wire groups 110 to 130 are attached to the vehicle body. The protector 100 is also fixed to the vehicle body.
Thus, since the wire groups 110 to 130 are not positioned and fixed directly inside the protector 100 until the clips 111a to 131a are locked to the vehicle body, the wire harness is transported from the assembly plant to the vehicle assembly line. Occasionally rattling occurs.
Further, it is necessary to provide clip locking holes on the side of the vehicle body at positions facing the plurality of clip holes of the protector 100, and the operation of inserting and locking the clip to the vehicle body for each band clip that binds each electric wire group is performed. There is a problem that it is necessary and requires a lot of work.

JP-A-64-81610

  This invention is made | formed in view of the said problem, and makes it the subject to enable it to fix an electric wire group directly to the arbitrary positions in a protector not with a clip band but with a fastening band.

In order to solve the above problems, the present invention is a protector in which an electric wire passage is formed by a bottom wall and side walls protruding from both end edges in the width direction of the bottom wall,
A partition wall is erected on the distal end side in the length direction of the bottom wall to divide the electric wire passage, and at least one of the bottom wall and the side wall at a position along the distal end opening of each of the divided electric wire passages. Two or more fastening band through holes are provided on one side, and the band pieces of one fastening band are continuously passed through these two through holes and wound around the wire group inserted into the wire passage and fastened. Provided is a protector characterized by having a configuration to do.

In the protector, the partition wall is erected from the bottom wall to divide the electric wire route, and the electric wire groups that are different wiring routes are divided by the partition wall, and a fastening band through hole is provided for each of the divided electric wire passages. ing. Therefore, a plurality of sets of electric wires taking different wiring paths are positioned and held only by being inserted through the electric wire passage divided by the partition wall, and after passing the electric wires through the protector, the fastening band is inserted into the through hole. Since it can be passed through and wrapped around the wire group, it is not necessary to attach a clip band in advance to the wire group in the protector insertion region. In addition, since the electric wire group and the protector are directly fixed by the fastening band instead of the clip band, the electric wire group can be fixed to the protector by the fastening band at an arbitrary position regardless of the clip locking hole on the vehicle side.
Further, conventionally, a tape-wrapped tongue piece protrudes from the open end of the protector, and an adhesive tape between the tape-wrapped tongue piece and the electric wire group is wound and fixed, but a fastening band is attached to at least one of the bottom wall and the side wall. Since the band piece is simply provided with a through hole, the protector does not increase in size. In addition, since the tape winding is performed with a plurality of sets of electric wires, it is possible to eliminate the difficulty of the tape winding operation that occurs when the tape winding tongue pieces are juxtaposed.

The through hole may be provided in both the bottom wall and the side wall.
In that case, if the band piece of the fastening band is wound around the outer surface of one corner of the outer surface of the bottom wall of the protector and passed through the through holes in both the bottom wall and the side wall, Can be positioned and held in the corner in the protector.

It is preferable that two through holes are formed as a set, and a plurality of pairs of the through holes are provided at intervals along the tip opening.
In that case, another electric wire group can be fastened and fixed in parallel in the horizontal direction through the band piece of the fastening band in another through hole provided in parallel in the horizontal direction on the bottom wall. Furthermore, another electric wire group can be fixed in parallel in the vertical direction by passing the band piece of the fastening band through the other through hole parallel to the side wall in the vertical direction.

The set of two through holes, one through hole is a narrow hole, the other through hole is a wide hole,
The band part of the fastening band is passed through the narrow hole, the fastening part of the fastening band is passed through the wide hole, and the fastening part is positioned in the wire passage.

In the protector of the present invention, after the wire group is passed through the protector's wire passage, the band piece of the fastening band is passed through the through hole, and the band piece of the fastening band is passed through the fastening portion inside the protector and fastened. As described above, a wide hole through which the fastening portion can be passed and a narrow hole through which the band piece passes are provided as one set.
Thus, if a fastening part is located inside a protector, a fastening part will not interfere with an external interference material and will not receive damage, and the reliability of fixation by a fastening band can be improved.

Furthermore, the present invention is a protector in which an electric wire passage is formed by a bottom wall and side walls protruding from both end edges in the width direction of the bottom wall,
At least one of the bottom wall and the side wall is provided with four or more through holes for fastening bands in parallel on the front end side in the length direction, and one of the two through holes has one through hole. There is provided a protector characterized in that a band piece of a fastening band is continuously passed and wound around and fixed to a group of wires inserted through the wire passage.

  The protector can be applied to a protector in which no partition wall is erected from the bottom wall. In the protector, four holes for passing four or more fastening bands are provided in parallel on at least one of the bottom wall and the side wall, and by selecting two through holes and passing the fastening band, An arbitrary position, for example, the right position, the left position, the center position, and the electric wire group can be positioned and fixed, and there is no need to provide a partition wall.

  As described above, it is preferable that the four or more through holes arranged in parallel are a set of two adjacent through holes, one through hole is a narrow hole, and the other through hole is a wide hole.

  As described above, according to the protector of the present invention, when it is necessary to divide a plurality of sets of wires into the protector and insert and fix them, along the opening edge of the protector in the longitudinal direction of the divided passage. Two or more fastening band through holes are provided in at least one of the bottom wall and the side wall, and a band piece of one fastening band is continuously passed through these two through holes and wound around the wire group. Since it is fastened and fixed, each group of electric wires can be fixed in a state of being divided directly into the protector. Therefore, it is not necessary to attach a clip band to the protector insertion area of each set of wire groups in advance and bind them together, and after inserting the wire group through the protector, the wire group is positioned and held on the protector and fixed directly. can do.

Hereinafter, embodiments of a protector of the present invention will be described with reference to the drawings.
The protector of 1st embodiment is shown in FIG. 1 thru | or FIG.

The protector 1 is made of a resin molded product. As shown in FIGS. 1A and 1B, the protector 1 includes a bottom wall 2, and side walls 3 and 4 projecting from both end edges in the width direction of the bottom wall 2, thereby It is formed and has a bowl shape with a long length L.
Partition walls 6 and 7 for partitioning the electric wire passage 5 are erected on both end sides in the length direction L of the bottom wall 2. The partition wall 6 at the entrance X of the protector 1 divides the wire passage 5 into a first entrance side passage 5A and a second entrance side passage 5B. The partition wall 7 of the outlet Y divides the wire passage 5 into a first outlet side passage 5C and a second outlet side passage 5D. In the middle part of the protector in the length direction, the path change passage 5E is provided without providing the partition walls 6 and 7.

  The first inlet side passage 5A, the second inlet side passage 5B, the first outlet side passage 5C, and the second outlet side passage 5D on the inlet side divided by the partition walls 6 and 7 are respectively connected to the bottom wall 2. Are provided with four through-holes 10 for the fastening bands. Therefore, a total of eight through holes 10 are provided in the inlet X and outlet Y with the partition walls 6 and 7 interposed therebetween.

  The four through-holes 10 provided at the entrance / exit of each passage are arranged as a set of two narrow holes 10a and wide holes 10b. In this embodiment, the narrow holes 10a are adjacent to both sides and the wide hole 10b is adjacent to the center. Provided.

As shown in FIG. 2, the fastening band 25 inserted through the through hole 10 is a fastening band that is widely used. In the fastening band 25, a band piece 25b protrudes from one side of a box-like fastening portion 25a, and a serrated locking groove 25c is provided in the band piece 25b, while a locking groove 25c is engaged in the fastening portion 25a. A through hole 25e is provided with a locking piece 25d protruding, and the band piece 25b is inserted into the through hole 25e and pulled to select and fasten the locking groove 25c to be locked by the locking piece 25d. is doing.
As for the fastening band 25 which consists of this shape, the fastening part 25a is naturally wider than the band piece 25b.
The wide hole 10b of the through hole 10 has a size that allows the fastening portion 25a to be inserted therethrough, and the narrow hole 10a is a thin hole through which the band piece 25b can be inserted.

The protector 1 of this embodiment does not provide the lid | cover which closes an upper surface opening, winds an adhesive tape around the outer periphery of the protector 1 after letting an electric wire group pass, and the electric wire group which let the electric wire channel | path 5 pass does not jump out from an upper surface opening. I am doing so.
It should be noted that it may be provided with a lid, and may be integrally formed on one side wall 3 or 5 of the protector 1 via a thin hinge portion, or a lid may be provided separately to cover the protector 1 and coupled.

  As shown in FIG. 2 (B), the protector 1 passes the first wire group 20 and the second wire group 21 through the protector 1, and then the fastening band shown in FIG. 2, the first and second wire groups 20 and 21 are fixed to the protector 1 as shown in FIG.

As shown in FIG. 2 (B), the first electric wire group 20 is inserted from the first inlet side passage 5A and pulled out from the first outlet side passage 5C without changing the route. The second electric wire group 21 is inserted from the second inlet side passage 5B and pulled out from the second outlet side passage 5D without changing the route.
In this case, the first electric wire group 20 is fastened to the two adjacent through holes of the four through holes 10 provided on the bottom wall of the first inlet side passage 5A through the fastening band 25, and the first outlet on the outlet side. A fastening band 25 is fastened to two adjacent through holes among the four through holes 10 provided in the side passage 5 </ b> C and fixed to the bottom wall 2 of the protector 1.
Similarly, the second electric wire group 21 is fastened by the fastening band 25 and fixed to the bottom wall of the protector 1.

The fixing operation of each electric wire group by each of the fastening bands 25 is performed by projecting the fastening portion 25a of the fastening band 25 from the lower side of the bottom wall 2 into the protector 1 through the wide hole 10b and narrowing the band piece 25b of the fastening band 25. It passes through the hole 10 a and protrudes into the protector 1.
The fastening portion 25a protruded inside the protector 1 is pulled out to the upper part of the first electric wire group 20 (or the second electric wire group 21), and the band piece 25b is also pulled out to a position facing the fastening portion 25a. The band piece 25b is locked through the fastening portion 25a at the upper surface position of the group 20 (or the second electric wire group 21).

When fixing the electric wire group (for example, the first electric wire group 20) to the divided electric wire passages with the fastening band 25, as shown in FIGS. Any position near the side wall 3 can be selected.
In the center position shown in FIG. 3 (B), both the fastening band fastening portion 25a and the band piece 25b are passed through the adjacent wide hole 10b, but the fastening band 25 hardly rotates after being wrapped around the wire group and fastened. The fastening portion 25a can be held inside the protector 1.
In addition, even when the insertion process of the wire group to the protector is different, the wire group to be attached in the subsequent process is only locked inside the band through hole through the fastening band from the outside, so even when the process is different The fastening operation can be easily performed.

Further, when the first electric wire group 20 has a large diameter, as shown in FIG. 4A, the fastening portion 25a is passed through the wide hole 10b-1 near the partition wall 6, and the narrow hole 10a-1 near the side wall 3 is passed. Fastened through the band piece 25b.
Further, as shown in FIG. 4B, when the first wire group 20 has a small diameter, the small-diameter third wire group 22 can be passed through the same first inlet side passage 5A in parallel. Also in this case, the first electric wire group 20 and the third electric wire group 22 can be divided and fixed directly in the protector 1 by the fastening band 25.

FIG. 5 shows a modification of the first embodiment.
In this modification, the first and second inlet-side passages 5A and 5B and the second outlet-side passages 5C and 5D partitioned by the partition walls 6 and 7 include two pieces each having a narrow hole 10a and a wide hole 10b. A set of through holes 10 is provided.
With this configuration, the position of the wire group in each passage cannot be adjusted, but the width of the protector 1 can be reduced.

FIG. 6 shows a second embodiment.
In the second embodiment, a fastening band through hole 10 is provided in both the bottom wall 2 and the side walls 3 and 4 of each electric wire passage partitioned by the partition walls 6 and 7 and also in the partition walls 6 and 7. .
Similar to the first embodiment, the bottom wall 2 is provided with two sets of through-holes 10 each having a narrow hole 10a and a wide hole 10b.
The through holes 10 provided in the side walls 3 and 4 and the partition walls 6 and 7 with a space in the vertical direction have the same size, but the narrow holes and the wide holes 2 are the same as the through holes in the bottom wall. A plurality of pairs may be provided as one set.

As shown in FIG. 6, for example, the second electric wire group 21 is positioned along the bottom wall 2 in the second entrance-side passage 5 </ b> B, such as the position near the partition wall 6 (P1), the position near the side wall 4 (P2), etc. Can be fixed at any position.
Further, when the first electric wire group 20 is to be positioned at the corner surrounded by the side wall 3 and the bottom wall 2, the band piece 25b is wound around the outer periphery along the outer periphery, and the through hole 10b of the bottom wall 2 is wound. The band piece 25b can be passed through the through hole 10a of the side wall 3 through the fastening portion 25a.
Furthermore, it can be fixed so as to overlap in the vertical direction along the side walls 3, 4, and can be stacked vertically in contact with the partition walls 6, 7 using the through holes of the partition walls 6, 7. It can also be fixed.

FIG. 7 shows a third embodiment.
In the third embodiment, without separating the partition walls 6 and 7 from the bottom wall 2, the plurality of electric wire groups are positioned and fixed and divided and fixed to the protector 30.
The protector 30 is different from the protector 1 of the first embodiment only in that the partition walls 6 and 7 are not provided. Since other configurations are the same, the same reference numerals are given and description thereof is omitted.

In the protector 30, the first electric wire group 20 and the second electric wire group 21 each have the fastening band 25 through the through-holes 10 at different positions, that is, the first electric wire group 20 and the narrow holes 10 a-1, even without providing a partition wall. The fastening band 25-1 passed through the wide hole 10b-1 can be positioned and fixed at the right position of the bottom wall 2. Further, the second electric wire group 21 can be positioned and fixed at a position on the left side of the bottom wall 2 by a fastening band 25-2 that passes through the narrow hole 10a-2 and the wide hole 10b-2.
Furthermore, even when the third electric wire group and the fourth electric wire group are added, the fastening band is passed through different through holes, so that the first electric wire group and the second electric wire group can be divided and fixed to the protector 30. it can.

FIG. 8 shows a modification of the third embodiment.
The protector 40 of the modified example is different from the protector of the second embodiment only in that the partition walls 6 and 7 are not provided, and the band through holes 10 (thin holes 10a) are formed in the bottom wall 2 and the side walls 3 and 4, respectively. Wide hole 10b) is provided.

In this protector 40, for example, five sets of wire groups 20 to 24 are respectively positioned using the fastening band 25 along the left and right sides of the protector along the bottom surface of the central portion, and further along the side walls 3 and 4. The electric wire group can be positioned and fixed in the direction.
In this way, the inside of the electric wire passage surrounded by the bottom wall 2 and both side walls 3 and 4 is divided using the left and right direction and the vertical direction, and a plurality of sets of electric wires are positioned and fixed to the protector. Can do. As a result, the size of the protector itself can be reduced.

The first embodiment of the protector of this invention is shown, (A) is a top view, (B) is the BB sectional drawing of (A). The fixation using a fastening band is shown, (A) is a perspective view of a fastening band, (B) is a plan view, and (C) is a sectional view. (A)-(C) are sectional drawings which show the state which can adjust the position of the electric wire group passed to the said protector with a fastening band. (A) is drawing which shows the fixing position in case an electric wire group is large diameter, (B) is drawing which shows the case where several electric wire groups are inserted and fixed to one electric wire channel | path divided by the partition wall. It is a top view which shows the modification of 1st embodiment. It is sectional drawing which shows 2nd embodiment. It is sectional drawing which shows 3rd embodiment. It is sectional drawing which shows the modification of 3rd embodiment. It is drawing which shows a prior art example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Protector 2 Bottom wall 3, 4 Side wall 6, 7 Partition wall 10 Band through hole 10a Thin hole 10b Wide hole 20 1st electric wire group 21 2nd electric wire group 25 Fastening band 25a Fastening part 25b Band piece

Claims (6)

A protector that forms an electric wire passage with a bottom wall and side walls protruding from both end edges in the width direction of the bottom wall,
A partition wall is erected on the distal end side in the length direction of the bottom wall to divide the electric wire passage, and at least one of the bottom wall and the side wall at a position along the distal end opening of each of the divided electric wire passages. One or more through-holes for fastening bands are provided on one side, or a band piece of one fastening band is continuously passed through these two through-holes and wound around a wire group that is inserted into the wire passage. A protector characterized by a fixed structure.   The protector according to claim 1, wherein the through hole is provided in both the bottom wall and the side wall.   The protector according to claim 1 or 2, wherein a plurality of pairs of the through-holes are provided, and a plurality of pairs of the through-holes are provided at a position along the tip opening. The set of two through holes, one through hole is a narrow hole, the other through hole is a wide hole,
The protector according to claim 3, wherein a band portion of the fastening band is passed through the narrow hole, a fastening portion of the fastening band is passed through the wide hole, and the fastening portion is positioned in the electric wire passage. A protector that forms an electric wire passage with a bottom wall and side walls protruding from both end edges in the width direction of the bottom wall,
At least one of the bottom wall and the side wall is provided with four or more through holes for fastening bands in parallel on the front end side in the length direction, and one of the two through holes has one through hole. A protector characterized in that a band piece of a fastening band is continuously passed and wound around and fixed to a group of wires inserted into the wire passage.   The protector according to claim 5, wherein the four or more through holes arranged in parallel are a pair of two adjacent through holes, one through hole is a narrow hole, and the other through hole is a wide hole.

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