JP2567802Y2 - Wire holding structure - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric wire holding structure. More specifically, the present invention relates to a wire harness composed of a plurality of electric wires, which is tightened by a tightening means such as a tape, a tube, a corrugated tube, or a spiral tube. The present invention relates to an electric wire holding structure including an electric wire holding member for holding at intervals an electric wire in which at least one of a plurality of electric wires constituting a wire harness interferes with the other.

[0002]

2. Description of the Related Art Conventionally, in a wire harness for an automobile or the like, as shown in FIG. 12, a tape 3 is wound around the outer periphery of a plurality of wires 2 constituting a wire harness 1, and the wires 2 are bundled. There is.

[0003]

However, when the tape 3 is wound around the outer periphery of a large number of electric wires 2 as described above, the interval between the electric wires 2 is determined when the tape 3 is wound.
It may change during subsequent use, and the two electric wires 2 supposed to be arranged at a certain distance may approach each other.

For example, as shown in FIG. 12, the wire harness 1 includes a speaker line 4 for connecting an amplifier or the like to a speaker (not shown) and a power supply line 5 for connecting a power supply circuit (not shown). Are arranged at an interval, but the speaker line 4 and the power supply line 5 may partially come close to each other.

When a current flows from the power supply circuit to the power supply line 5, a strong magnetic field is generated. Therefore, when the speaker line 4 and the power supply line 5 are close to each other, the signal flowing through the speaker line 4 is affected by the magnetic field, and noise is generated in the sound generated by the speaker.

When the distance between a power supply line 5 and a sensor line (not shown) connected to a sensor circuit for controlling fuel injection or the like is short, a signal flowing through the sensor line is generated by the magnetic field of the power supply line 5. And may cause malfunction of the sensor.

Therefore, conventionally, in order to eliminate the influence of the magnetic field or the like due to the current of the power supply line 5, it is necessary to use the speaker line 4 and the sensor line as shield lines, which has a problem in cost and the like.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and is intended to reduce the influence of noise and the like due to interference of signals and the like generated between a plurality of wires constituting a wire harness. The purpose is to prevent it without using it.

[0009]

SUMMARY OF THE INVENTION Accordingly, the present invention provides a wire harness comprising a plurality of electric wires, wherein the outer peripheral portion of the wire harness is tightened by tightening means to bundle the electric wires, wherein at least one of the plurality of electric wires is opposed to the other. And an electric wire holding means for holding the interfering electric wires at intervals.

Here, the fastening means is, for example, a tape, a tube, a corrugate or a spiral tube.

More specifically, a wire harness in which the outer peripheral portions of a large number of electric wires arranged in an automobile are fastened by fastening means to tightly bind the electric wires, and a rod-shaped connecting portion is provided. Wire holding means provided with wire attachment portions at both ends are arranged in the wire harness at intervals in the longitudinal direction and in a direction orthogonal to the longitudinal direction, and wires or / and sensor lines of speaker lines in the wire group. While holding the wire in one wire mounting portion of the wire holding means, and arranged near the outer periphery of a tightly bound wire group,
A power supply line that interferes with the speaker line or sensor line is held by the other wire mounting portion, and another wire group is interposed between the power line and the speaker line or sensor line in a diameter direction. The present invention provides an electric wire holding structure in an automobile wire harness, wherein the electric wire holding structure is arranged near an outer peripheral portion of an electric wire group.

More specifically, the electric wire mounting portion may be formed in an annular shape with a notch, and the electric wire mounting portion may be connected by a rod-shaped connecting portion.

Alternatively, the electric wire mounting portion may have a configuration in which a plurality of through holes are provided continuously from an end.

Further, a configuration may be employed in which the wire mounting portions provided with the respective through holes are bendably connected via connecting portions forming a hinge.

[0015] The fastening means may be a band for fastening the outer peripheral portion of the wire harness, and the electric wire holding means may be configured as an annular portion having a cutout portion provided integrally with the inner peripheral portion of the band means. .

[0016]

According to the electric wire holding structure according to the present invention, at least one of the electric wires constituting the wire harness which interferes with the other is held at an interval by the electric wire holding means, and the signal flowing through one of the electric wires is held. And the like can be prevented from being affected by a current flowing through the other electric wire.

In a configuration in which a plurality of the wire holding means are arranged in the longitudinal direction inside the wire harness, when a plurality of through holes are continuously provided in the wire mounting portion as described above, the gap between the wires may be reduced. Depending on the diameter of these wires, etc., by arranging each wire in a predetermined through hole, it is possible to adjust the distance between wires, or to use one wire holding means when using wires having different diameters. Can be shared.

When the connecting portion is a hinge, the distance between the two electric wires can be adjusted steplessly.

Further, when the fastening means is constituted by a band as described above and the wire holding means is provided inside the band, the number of parts can be reduced.

[0020]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a first embodiment of the present invention; The first embodiment of the present invention shown in FIGS.
In the embodiment, the tape 3 constituting the fastening means is wound around the outer periphery of the bundle of the electric wires 2 constituting the wire harness 1 to converge these electric wires 2, and the speaker line 11 included in the wire harness 1 The wire holding means 1 is provided at a predetermined interval in the length direction of the wire harness 1 on the power supply line 12.
4 are attached.

The electric wire holding means 14 is made of polypropylene, and has cutouts 1 at both ends of a rod-shaped connecting portion 15.
Toroidal electric wire mounting portions 16 and 17 provided with 6a and 17a are connected.

The wire mounting portions 16 and 17 have notches 16
Speaker line 11 and power supply line 12 are attached via a and 17a, respectively. The length of the connecting portion 15 is
The speaker line 11 and the power supply line 12 attached to the electric wire attachment portions 16 and 17 are set to be separated from each other by such a distance that the signal of the speaker line 11 is not affected by a magnetic field generated by a current flowing through the power supply line 12. . The wire holding means 14 is arranged in the radial direction of the wire harness 1 bundled in a circular shape with the tape 3 as described above, that is, in the direction orthogonal to the wire 2.

In the first embodiment, since the plurality of electric wire holding means 14 are interposed between the speaker line 11 and the power supply line 12 as described above, the tape 3 is applied to the bundle of the electric wires 2 constituting the wire harness 1. At the time of winding, the interval between the speaker line 11 and the power supply line 12 is the distance between the electric wire attachment portions 16 and 17 determined by the length of the connection portion 15,
They do not come close to each other. Also, even if the wire harness 1 is bent after the tape 3 is wound, the distance between the speaker line 11 and the power supply line 12 is maintained at the distance between the wire attachment portions 16 and 17.

Therefore, for example, even if a strong current flows through the power supply line 12 and a magnetic field is generated, the signal flowing through the speaker line 11 is not affected by the magnetic field, and noise is introduced into the speaker by the influence of the magnetic field. Not even.

The electric wire holding means 19 according to the second embodiment of the present invention shown in FIG. 3 has a structure in which the electric wire holding means 14 of the first embodiment is divided into two members by a connecting portion 15.

That is, the electric wire holding means 19 of the second embodiment is
It comprises first and second members 25 and 26 having first and second connecting portions 23 and 24 projecting from annular electric wire mounting portions 21 and 22 provided with notches 21a and 22a, respectively. The first connecting portion 23 of the first member 25 is provided through a plurality of engaging holes 27a, 27b, 27c in the longitudinal direction. on the other hand,
At the tip of the second member 26, the engaging hole 27 is formed.
Engagement projections 28 are provided to engage the first member 25 and the second member 26 by engaging with a to 27c. In this electric wire holding means 19, the distance between the electric wire attachment portions 21 and 22 can be adjusted by engaging the engagement projections 28 with the engagement holes 27a to 27c at desired positions.

For this reason, in the electric wire holding means 19, the electric wire attaching portions 21 and 22 are set according to the outer diameter of the entire wire harness, the strength of the magnetic field generated by the current flowing through the current line, and the like.
Of the wire mounting portions 21 and 22
Can be adjusted.

The electric wire holding means 30 of the third embodiment shown in FIG.
Has a configuration in which the thickness of the electric wire holding means 14 of the first embodiment is increased. Therefore, if the electric wire holding means 30 of the third embodiment is used, the contact area between the electric wire attachment portions 16 and 17 and the electric wires arranged in these electric wire attachment portions 16 and 17 becomes large, so that the electric wires between the electric wires can be more reliably secured. Can be maintained.

In the fourth embodiment of the present invention shown in FIG. 5, the electric wire holding means 32 is a rectangular plate as a whole and
V-shaped cutouts 36 are provided at the ends of the electric wire attachment portions 34 and 35 connected via the respective 3. The wire attachment portions 34 and 35 are provided with through holes 37a, 37b and 37c each having a circular shape in the plate thickness direction and are continuously provided in the longitudinal direction from the cutout portion 36 side. Further, the notch 36 and the through-holes 37a to 37c are respectively formed with linear grooves 38a, 3a.
They are connected by 8b and 38c.

Since the electric wire holding means 32 of the fourth embodiment has the above-described configuration, an electric wire (not shown) is inserted through the cutout portion 36 and arranged in one of the three through holes 37a to 37c. It is possible. Therefore, in the fourth embodiment, the gap between the wires can be adjusted by arranging the two wires arranged in the wire attachment portions 34 and 35 in the through holes 37a to 37c.

The electric wire holding means 39 of the fifth embodiment shown in FIG.
Has the same configuration as the electric wire holding means 35 of the fourth embodiment shown in FIG. However, this wire holding means 39
In the figure, the diameters of the through holes 40a, 40b, and 40c are sequentially reduced in the thickness direction provided continuously from the ends of the wire attachment portions 34 and 35 in the longitudinal direction. In the fifth embodiment, since the configuration is as described above, when it is desired to maintain a space between two wires having different radii in the wire harness, both wires are inserted into through holes 40a to 40c corresponding to the respective radii. It should just be arranged. Also, the wire holding means 39 of one size and type can be commonly used for adjusting the distance between two wires of various diameters.

In the electric wire holding means 42 according to the sixth embodiment of the present invention shown in FIG. 7, linear electric wire mounting portions 43A, 43B, 4
The thickness of the cross is 3C and 43D, which are connected at right angles to each other by the connecting portion 44, and the plate thickness corresponding to the length direction of the electric wire (not shown) is set to be large as in the second embodiment. .
In addition, cutouts 45 are provided at the ends of the wire attachment portions 43A to 43D in the same manner as the fourth and fifth examples, respectively.
The through-hole 4 penetrates from the notch 45 continuously in the longitudinal direction, penetrates in the thickness direction, and has a smaller radius.
6a, 46b and 46c are provided continuously.

Since the electric wire holding means 42 of the sixth embodiment is constructed as described above, the electric wire mounting portions 43A to 43D
The electric wires can be arranged in any of the through holes 46a to 46c provided in the above, so that the distance between the total of four electric wires can be maintained. Further, in the electric wire holding means 42 of the sixth embodiment, since the cross-section is formed as described above and the thickness corresponding to the length direction of the electric wire is set large, the tape 3 is wound around the wire harness 1. In addition, the circular shape of the electric wire 2 does not collapse. Further, the tape 3 is not wound around the main body 3 in a state where the main body 3 is inclined in the length direction of the electric wire 2.

The electric wire holding means 47 of the seventh embodiment shown in FIGS. 8 and 9 connects the electric wire mounting portions 49 and 50 via a thin connecting portion 48 forming a hinge. Notches 52, 52 are provided at the ends of the wire attachment portions 49, 50, respectively. Further, through holes 53a, 53b, and 53c whose diameters are sequentially reduced from the notch 52 are provided.

In the vicinity of the connecting portion 48 on one surface of the one electric wire attaching portion 49, a first elastic member 54 composed of an arc-shaped rod member having a gentle curvature is directed toward the end of the second portion 50. It is protruding. Similarly, a second elastic member 55 of the same shape is protrudingly provided near the hinge portion 48 of the other electric wire mounting portion 50 so as to face the first elastic member 54. The first and second elastic members 54 and 55 have a certain degree of elasticity, but are configured not to bend more than a certain amount.

In the seventh embodiment, since the above-described structure is employed, if the connecting portion 48 is bent, the through hole provided in one of the electric wire mounting portions 49 according to the degree of bending of the connecting portion 48. The distance between 53a-53c and the through-holes 53a-53c provided in the other electric wire mounting part 50 can be adjusted steplessly. At this time, since the first and second elastic members 54 and 55 come into contact with the wire attachment portions 49 and 50 and are elastically deformed as described above, the first and second elastic members 54 and 55 are bent when the hinge portion 48 is bent to some extent. The bending of the hinge portion 48 is further locked by the elastic deformation resistance of the elastic members 54 and 55.

Therefore, the electric wire holding means 47 of the seventh embodiment is used.
Then, as shown in FIG. 9 (a), the hinge portions 48 are not bent and the wire attaching portions 49, 50 are straightened, and
As shown in the figure, the through-holes 5 provided in the electric wire attachment portions 49 and 50 respectively during the state where the connecting portion 48 cannot be bent due to the elastic deformation resistance of the first and second elastic members 54 and 55.
The distance between 3a to 53c can be adjusted steplessly.

For example, when the electric wires are respectively arranged at the outermost electric wire attaching portions 53a of the electric wire attaching portions 49 and 50, there is no distance from the distance indicated by X in (a) to the distance indicated by Y in (b). The distance between the two electric wires can be adjusted stepwise.

In an eighth embodiment of the present invention shown in FIGS. 10 and 11, the outer periphery of a wire harness 3 composed of a plurality of electric wires 2 is fastened by a plurality of bands 56 arranged at predetermined intervals in the longitudinal direction. I have. The band 56 has a configuration in which a wavy tooth portion 56a is provided at one end, and a buckle means 56b is provided at the other end, and tightening is performed by these.

In the eighth embodiment, wire holding means 57A and 57B are provided on the inner peripheral portion 56c of the band 56. That is, the wire holding means 57A, 57B of the eighth embodiment.
Is composed of an annular portion provided integrally with the inner peripheral portion 56a of the band 56, and the electric wire 2 arranged at a predetermined interval from the cutout portion 58 provided in this annular portion is provided with electric wire holding means 57A,
57B. In the eighth embodiment, since the fastening means and the wire holding means are provided integrally as described above, the number of parts can be reduced.

The present invention is not limited to the above embodiment, but can be variously modified. For example, the fastening means is not limited to the tape or the band, and other means such as a tube and a corrugated spiral tube may be used. The material of the wire holding means is
The present invention is not limited to the above polypropylene, and other insulating resins, rubbers, and the like can be used. Further, the number, shape, size, and the like of the through-holes passing through in the thickness direction of the electric wire mounting portion can be variously changed.

[0042]

As is clear from the above description, in the wire holding structure according to the present invention, the distance between two specific wires among a plurality of wires constituting the wire harness is maintained at a predetermined size or more. Therefore, signals and the like flowing through these wires can be prevented from affecting each other without providing a shield.

In particular, when one of the two electric wires is a current line and the other is a speaker line, a signal flowing through the speaker line may be affected by a magnetic field generated by a current flowing through the current line. In addition, the noise of the sound generated by the speaker can be reduced. Also,
When one is a current line and the other is a sensor line, a signal flowing through the sensor line is not affected by the magnetic field, and malfunction of the sensor circuit can be prevented.

When a plurality of electric wire holding means are arranged in the longitudinal direction inside the wire harness, when the electric wire holding means is provided with a hinge portion, the distance between the electric wire attaching portions provided at both ends is steplessly adjusted. It has various advantages such as adjustment.

Further, when the electric wire holding means is provided integrally with the fastening means such as a band, there are various advantages such as the number of parts can be reduced.

[Brief description of the drawings]

FIG. 1 is a schematic view showing a first embodiment of the present invention.

FIG. 2 is a perspective view showing the electric wire holding means of the first embodiment.

FIG. 3 is a perspective view showing an electric wire holding means of a second embodiment.

FIG. 4 is a perspective view showing an electric wire holding means of a third embodiment.

FIG. 5 is a perspective view showing an electric wire holding means of a fourth embodiment.

FIG. 6 is a perspective view showing an electric wire holding means of a fifth embodiment.

FIG. 7 is a perspective view showing an electric wire holding means of a sixth embodiment.

FIG. 8 is a perspective view showing an electric wire holding means of a seventh embodiment.

FIGS. 9A and 9B are side views showing the adjusting function of the electric wire holding means of the seventh embodiment.

FIG. 10 is a schematic view showing an eighth embodiment.

11 is a sectional view taken along line XI-XI in FIG.

FIG. 12 is a schematic view showing a state of an electric wire in a conventional wire harness.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Wire harness 2 Electric wire 3 Tape 4,11 Speaker line 5,12 Power supply line 8 Sensor line 14,19,30,32,39,42,47,57 Wire holding means 15,23,24,33,44,48 Connection Part 16, 17, 21, 22, 34, 35, 4349, 50 Wire attachment part

Claims (6)

(57) [Scope of request for utility model registration] 1. A wire harness which tightly binds a group of electric wires by tightening outer peripheral portions of a group of many electric wires routed in an automobile by a tightening means, wherein electric wires are provided at both ends of a rod-shaped connecting portion. An electric wire holding means provided with an attachment portion is disposed in the wire harness in a direction perpendicular to the longitudinal direction at intervals in the longitudinal direction, and the electric wires of the speaker lines and / or the electric wires of the sensor lines in the electric wire group are arranged. A power line, which is held in one of the wire mounting portions of the wire holding means and is disposed near the outer periphery of the tightly bound wire group, and which interferes with the speaker line and / or sensor line wires. The other wire group is held by the other wire mounting portion, and another wire group is interposed between the wire line and the speaker line or / and the sensor line. Electric wire holding structure in automotive wiring harnesses, characterized in that has a configuration obtained by location. 2. An electric wire holding structure in a wire harness for an automobile according to claim 1, wherein said electric wire holding means has an annular electric wire mounting portion having cutouts at both ends of a rod-shaped connecting portion. 3. The electric wire holding structure in an automatic wire harness according to claim 1, wherein the electric wire mounting portion of the electric wire holding means has a plurality of through holes continuously provided from an end. 4. An electric wire holding structure in an automobile wire harness according to claim 1, wherein the electric wire mounting portions at both ends of said electric wire holding means are connected to bendable via said connecting portion having a hinge. 5. A connecting part having an electric wire attaching part at both ends of said electric wire holding means is divided, and one of said divided connecting parts is provided with a plurality of engaging holes, and said other connecting part is provided with said engaging holes. The electric wire holding structure in the automobile wire harness according to claim 1, wherein an engagement projection that selectively engages the portion is provided. 6. A wire harness which tightly binds a group of electric wires by tightening an outer peripheral portion of a group of a plurality of electric wires routed in an automobile by a tightening means, wherein the tightening means is a wire harness. An annular electric wire attachment portion having two notches is provided at an inner peripheral portion of the band means at intervals to protrude from an inner peripheral portion of the band means. And a power source that holds the electric wire of the sensor line at the one electric wire attaching portion and arranges it near the outer periphery of the tightly bound electric wire group and interferes with the speaker line and / or the electric wire of the sensor line. The wire is held by the other wire mounting portion, and the other wire group is interposed therebetween, and is arranged near the outer periphery of the wire group diametrically opposed to the speaker line or / and sensor line wire. An electric wire holding structure in an automobile wire harness, wherein the electric wire holding structure has a structure in which the electric wire is held.