JP2001122057A - Body fixing structure of wire harness - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To enable easy dismantling work and to separate a clamp member together with a wire harness from a vehicle body. SOLUTION: A magnetic core (permanent magnet) 5 and an electromagnetic coil 6 are provided on a clamp member 1 attached to a wire harness W / H.
The wire harness W / H is magnetically fixed to the magnetic member 10 only by the magnetic force of the permanent magnet that does not fall off in a stationary state when the engine is stopped. The magnetic member 10 is magnetically fixed to the magnetic member 10 by the magnetic force of the electromagnet 6 'to which the magnetic force of the permanent magnet does not fall off in the running vibration state.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a body fixing structure for a wire harness.

[0002]

2. Description of the Related Art Conventionally, as a structure for fixing a wire harness to a vehicle body, a clamp member made of synthetic resin is attached to the wire harness, and a lock portion of the clamp member is pushed into a lock hole formed in the vehicle body to be firmly fixed. Was like that.

[0003]

However, when the wire harness is removed from the vehicle body for recycling or the like at the time of disassembly of the vehicle body, the lock portion of the clamp member is broken through the lock hole of the vehicle body using a special jig. However, since it was forcibly pulled out, the dismantling workability was poor, and there was a possibility that broken resin dust of the clamp member might remain on the vehicle body side.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and it is an object of the present invention to provide a wire harness body fixing structure capable of easily performing dismantling work and separating a clamp member together with a wire harness from a vehicle body. It is intended for.

[0005]

According to a first aspect of the present invention, there is provided a structure for fixing a wire harness to a magnetic member of a vehicle body, wherein the wire harness includes a clamp member made of a synthetic resin. A permanent magnet for magnetically fixing the wire harness to the magnetic member with such a magnetic force that the wire harness does not fall off in a stationary state when the engine is stopped, and a magnetic force of the permanent magnet are applied to the clamp member to attach the wire harness to the wire harness. An electromagnet that is magnetically fixed to the magnetic member with a magnetic force that does not fall off in a vibration state during engine operation is provided, and the electromagnetic coil of the electromagnet is configured to be energized when the vehicle body is turned on. An object of the present invention is to provide a vehicle harness fixing structure for a wire harness.

According to the first aspect, a permanent magnet and an electromagnet are provided on the clamp member attached to the wire harness, and the wire harness does not fall off when the engine is stopped when the vehicle is turned off. While being magnetically fixed to the magnetic member only by the magnetic force of the permanent magnet,
When the power supply of the vehicle body is turned on, the wire harness is magnetically fixed to the magnetic member by the magnetic force of the electromagnet to which the magnetic force of the permanent magnet is applied so that the wire harness does not fall off in a running vibration state during engine operation.

It is preferable that the permanent magnet also serves as a magnetic core of the electromagnet.

According to a third aspect of the present invention, the clamp member includes
It is preferable to adopt a configuration in which a permanent magnet and an electromagnet are insert-molded.

According to a fourth aspect of the present invention, an electric wire for energizing the electromagnetic coil is insert-molded in the clamp member, and a terminal of the electric wire is connected to the energizing electric wire of the wire harness. Is preferred.

According to a fifth aspect of the present invention, an end of the electric wire for energizing the electromagnetic coil is connected to a press contact blade insert-molded in the clamp member, and the press contact blade is incorporated in the wire harness. It is preferable to adopt a configuration in which it is press-connected to the utility wire.

According to a sixth aspect of the present invention, there is provided a structure for fixing a wire harness to a magnetic member of a vehicle body, wherein a synthetic resin clamp member is attached to the wire harness, and the clamp member is formed on the magnetic member. A hook portion is formed on the hook portion, and an electromagnet is provided for magnetically fixing the wire harness to the magnetic member with a magnetic force that does not drop off in a running vibration state during engine operation. The electromagnetic coil is energized when the power of the vehicle body is turned on, and provides a vehicle body fixing structure of a wire harness.

According to the present invention, an electromagnet is provided on the clamp member attached to the wire harness, and a hook portion for hooking on a hook portion of the magnetic member of the vehicle body is provided. The part is easily hooked and fixed to the magnetic member of the vehicle body so that it does not fall off in the stationary state when the engine is stopped. It is magnetically fixed to the magnetic member by the magnetic force.

According to a seventh aspect of the present invention, the clamp member includes
It is preferable to adopt a configuration in which the electromagnet is insert-molded.

[0014]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 shows a wire harness W according to a first embodiment.
/ H body fixing structure. Both ends of a clamp member 1 made of a synthetic resin are attached to the surface of the wire harness W / H by winding it with a tape 2. The tape 2 is a part of a tape for binding the electric wires 3 of the wire harness W / H, and can be simultaneously wound around both ends of the clamp member 1 when binding the electric wires 3.

At the center of the clamp member 1, a lower portion of a columnar magnetic core 5 is fixed by insert molding, and an electromagnetic coil 6 is insert-molded so as to surround the outer periphery of the magnetic core 5.

The magnetic core 5 is composed of a permanent magnet that magnetically fixes the wire harness W / N to the vehicle body panel 10 with a magnetic force that does not fall off when the engine is stopped and does not fall off. When the electromagnetic coil 6 is energized by being energized, the magnetic force of the permanent magnet is applied to the wire harness W / H so that the wire harness W / H does not fall off in a running vibration state during engine operation. 10 is magnetically fixed.

The electric wires 7, 7 for energizing the electromagnetic coil 6 are insert-molded into the clamp member 1 with one end thereof being connected to the electromagnetic coil 6 in advance, and the other end of each of the electric wires 7, 7 is , Is connected to a current-carrying wire provided in advance in each wire 3 of the wire harness W / H.

With the structure of the first embodiment, in order to fix the wire harness W / H to the vehicle body panel (magnetic member such as iron) 10 in a stationary state when the engine is stopped, the wire harness W / H is When the magnetic core 5 of the attached clamp member 1 approaches the fixing position of the vehicle body panel 10, the magnetic core 5 as a permanent magnet is magnetically fixed to the vehicle body panel 10. In this case, since the power supply of the vehicle body is turned off, it is simply magnetically fixed to the vehicle body panel 10 with a magnetic force that does not fall off only by the magnetic core 5 that is a permanent magnet.

Therefore, at the time of disassembly when the power of the vehicle body is turned off, the magnetic core 5 as a permanent magnet together with the clamp member 1 of the wire harness W / H can be separated from the vehicle body panel 10 with a light force, so that the work can be performed easily. Become like

Further, since the clamp member 1 can be separated from the vehicle body panel 10 together with the wire harness W / H without breaking the same, there is a possibility that resin dust or the like of the broken clamp member may remain on the vehicle body side as in the related art. Further, it is not necessary to form a lock hole in the vehicle body panel 10 as in the related art.

On the other hand, when the vehicle body is powered on, the electromagnetic coil 6
Since the permanent magnet before energization also serves as the magnetic core of the electromagnet 6 'after energization, the magnetic force of the permanent magnet is applied so that the wire harness W / H does not fall off in the running vibration state during engine operation. It becomes magnetically fixed to the vehicle body panel 10 by magnetic force.

As described above, when the power of the vehicle body is turned on and the engine is running, the magnetic force of the electromagnet 6 'to which the permanent magnet is applied is used to prevent the wire harness W / H from dropping off in a vibration state such as running. The wire harness W / H is magnetically fixed to the panel 10 so that there is no danger of the wire harness W / H rattling due to running vibration or the like and dropping off the vehicle body panel 10.

In the first embodiment, the magnetic cores of the permanent magnet and the electromagnet 6 'are constituted by the same magnetic core 5, and the electromagnetic coil 6 is fitted around the magnetic core 5, so that the permanent magnet and the electromagnet are separated. , The number of parts can be reduced and the size can be reduced. However, a configuration in which a permanent magnet and an electromagnet are provided separately can be used. In this case, it is needless to say that it is necessary to match the direction of the magnetic field lines of the electromagnetic coil 6 generated when the current is supplied with the magnetic field lines of the permanent magnet.

The clamp member 1 has a magnetic core (permanent magnet).
Since the magnetic core 5 and the electromagnetic coil 6 are insert-molded, the magnetic core 5 and the electromagnetic coil 6 can be assembled when the clamp member 1 is formed, so that the number of assembling steps can be reduced.

Further, an electric wire 7 for energizing the electromagnetic coil 6 is insert-molded in the clamp member 1, and the other end (terminal) of the electric wire 7 is connected to the energizing electric wire of the wire harness W / H. Thus, the electromagnetic coil 6 can be easily energized simply by connecting the other end of the electric wire 7 for the electromagnetic coil insert-molded to the clamp member 1 to the energizing electric wire of the wire harness W / H located immediately nearby. become.

FIG. 2 shows a wire harness W according to a second embodiment.
/ H is a structure of a clamp and a harness connection portion used for fixing the vehicle body. The both ends of the synthetic resin clamp member 1 are attached to the wire harness W / H by winding them with the tape 2 as in the first embodiment.

A cylindrical magnetic core 5 is fixed to the center of the clamp member 1 by insert molding, and an electromagnetic coil 6 is insert-molded so as to surround the outer periphery of the magnetic core 5. This is the same as in the first embodiment. Further, the magnetic core 5 is a permanent magnet as in the first embodiment.

The electric wires 7 for energizing the electromagnetic coil 6 are insert-molded into the clamp member 1 with one end thereof connected to the electromagnetic coil 6 in advance.
The other end of each of the wires 7 is connected to a downward press-contact blade 11 that is insert-molded below the clamp member 1.

The electric wires 12 incorporated in the wire harness W / H are exposed from the wire harness W / H, and the electric wires 12 are connected to both ends and the center of the cover member 13 made of synthetic resin. Each of the bridge portions 13a and 13b formed in the respective portions is fitted into the positioning recesses 13c and 13d to maintain a gap, and a slit 13e into which the press-contact blade 11 of the clamp member 1 is fitted is provided between the central bridge portions 13b. Is formed.

With the structure of the second embodiment, when attaching the clamp member 1 to the wire harness W / H,
Cover member 13 exposed from wire harness W / H
The press-contact blade 11 of the clamp member 1 can be press-connected to the current-carrying wire 12 positioned at the position, so that the connection operation can be easily performed.

When the clamp member 1 is wound around the wire harness W / H with the tape 2, the cover member 13 can be fixedly attached at the same time by being sandwiched between the clamp member 1 and the wire harness W / H.

FIG. 3 shows a wire harness W according to a third embodiment.
/ H body fixing structure. The both ends of the synthetic resin clamp member 1 are attached to the wire harness W / H by winding them with the tape 2 as in the first embodiment.

The lower portion of the columnar magnetic core 5 is fixed to the center of the clamp member 1 by insert molding, and the electromagnetic coil 6 is insert-molded so as to surround the outer periphery of the magnetic core 5. Is the same as in the first embodiment. The difference from the first and second embodiments is that the magnetic core 5 is not a permanent magnet but a ferromagnetic material.

A wing-shaped hook 1a extending in parallel with the clamp member 1 is integrally formed on the upper surface of the electromagnetic coil 6 insert-molded in the clamp member 1. On both sides of the clamp member 1, projections 1b are formed to prevent the slide members from coming off in both directions.

Further, the vehicle body panel 10 is integrally formed with a hook portion 10a capable of hooking both sides of the hook portion 1a of the clamp member 1 from above by punching or the like.

According to the structure of the third embodiment, in order to fix the wire harness W / H to the vehicle body panel 10, the hook 1a of the clamp member 1 attached to the wire harness W / H is hooked to the vehicle body panel 10. The wire harness W / H is fixed to the vehicle body panel 10 by being hooked on the portion 10a from above. In this case,
Since the power supply of the vehicle body is off, the wire harness W / H can be easily changed by the hook portion 10a.
Will be fixed.

Therefore, at the time of disassembly when the power of the vehicle body is turned off, the wire harness W / H can be removed together with the clamp member 1 from the vehicle body panel 10 while removing the hook portion 1a upward from the hook portion 10a. It will be easy to do.

On the other hand, when the vehicle body is powered on, the electromagnetic coil 6
To the wire harness W by the electromagnet 6 '.
/ H is magnetically fixed to the vehicle body panel 10 with such a magnetic force that the / H does not fall off in a vibration state during operation of the engine.

As described above, during the operation of the engine when the power of the vehicle body is turned on, the magnetic force of the electromagnet 6 'added with the magnetic force of the permanent magnet is used to prevent the wire harness W / H from dropping off in a vibration state such as running. The wire harness W / H is magnetically fixed to the panel 10 so that there is no danger of the wire harness W / H rattling due to running vibration or the like and dropping off the vehicle body panel 10.

Further, as in the first embodiment, since the magnetic core (electromagnet) 5 and the electromagnetic coil 6 are insert-molded in the clamp member 1, the magnetic core 5 and the electromagnetic coil 6 can be assembled when the clamp member 1 is formed. Therefore, the number of assembling steps can be reduced.

[0042]

As is apparent from the above description, according to the first aspect of the present invention, when the power of the vehicle body is turned off, the permanent magnet which does not fall off when the engine is stopped and the wire harness does not fall off. The magnetic member is fixed to the magnetic member by the magnetic force of the electromagnet to which the permanent magnet is applied so that the wire harness does not fall off during running of the engine when the vehicle is powered on. To be magnetically fixed.

Therefore, at the time of disassembly when the power of the vehicle body is turned off, the magnetic core as the permanent magnet together with the clamp member of the wire harness can be separated from the magnetic member of the vehicle body with a light force, so that the work can be performed easily. Since the clamp member can be separated from the vehicle body together with the wire harness without breaking, there is no danger that resin dust etc. of the broken clamp member will remain on the vehicle body side. You don't have to.

When the vehicle body is powered on, the electromagnetic coil is energized, and the permanent magnet before energization also serves as the magnetic core of the electromagnet after energization. Therefore, the magnetic force of the permanent magnet is applied to operate the wire harness during engine operation. Since the magnetic harness is fixed to the magnetic member of the vehicle body with a magnetic force that does not fall off in the traveling vibration state, there is no possibility that the wire harness will rattle due to traveling vibration or the like and drop off from the magnetic member of the vehicle body.

If the permanent magnet also serves as the magnetic core of the electromagnet (claim 2), it is not necessary to provide the permanent magnet and the electromagnet separately, so that the number of parts can be reduced and the size can be reduced.

When a permanent magnet and an electromagnet are insert-molded in the clamp member (claim 3), a permanent magnet or the like can be assembled at the time of molding the clamp member, so that the number of assembling steps can be reduced.

When an electric wire for energizing the electromagnetic coil is insert-molded on the clamp member and the end of the electric wire is connected to the energizing electric wire of the wire harness (claim 4), the electric wire for the electromagnetic coil insert-molded on the clamp member is formed. By simply connecting the end of the electric wire to the energizing electric wire of the wire harness located immediately nearby, the electromagnetic coil can be easily energized.

The end of the electric wire for energizing the electromagnetic coil is connected to a press-contact blade insert-molded in a clamp member, and this press-contact blade is press-connected to a current-carrying wire exposed from the wire harness. When the clamp member is attached to the wire harness, the press-connecting blade can be press-connected to the current-carrying wire exposed from the wire harness, so that the connection operation can be easily performed.

On the other hand, according to a sixth aspect of the present invention, the wire harness is fixed to the vehicle body panel by hooking the hook of the clamp member attached to the wire harness to the hook of the magnetic member of the vehicle body. At the time of disassembly when the vehicle is off, the wire harness can be removed from the magnetic member of the vehicle body together with the clamp member while removing the hook portion from the hook portion, so that the disassembly operation can be easily performed.

When the power of the vehicle body is turned on, the electromagnetic coil is energized so that the electromagnet magnetically fixes the wire harness to the magnetic member of the vehicle body with such a magnetic force that the wire harness does not fall off in a running vibration state during engine operation. Become.

As described above, when the vehicle is powered on, the engine is magnetically attached to the vehicle body panel by the magnetic force of the electromagnet added with the magnetic force of the permanent magnet so that the wire harness does not fall off during the vibration state during running or the like. This eliminates the possibility that the wire harness will rattle due to running vibrations or the like and drop off from the magnetic member of the vehicle body.

When an electromagnet is insert-molded on the clamp member (claim 7), the electromagnet can be assembled at the time of molding the clamp member, so that the number of assembly steps can be reduced and the size can be reduced.

[Brief description of the drawings]

FIG. 1 is a vehicle body fixing structure of a wire harness according to a first embodiment, where (a) is a perspective view and (b) is a front sectional view of a clamp portion.

2A and 2B are a clamp and a harness connecting portion of a vehicle body fixing structure of a wire harness according to a second embodiment, wherein FIG. 2A is a perspective view, FIG. 2B is a side view (partial sectional view), and FIG. FIG.

3A and 3B are a vehicle body fixing structure of a wire harness according to a third embodiment, wherein FIG. 3A is a perspective view and FIG. 3B is a side sectional view.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Clamp member 1a Hook part 5 Magnetic core 6 Electromagnetic coil 6 'Electromagnet 7 Electric wire 10 Body panel (magnetic member) 10a Hook part 11 Pressure contact blade 12 Electric current supply wire 13 Cover member W / H Wire harness

Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat II (Reference) H02G 3/26 D (72) Inventor Takuya 1-7-10 Kikuzumi, Minami-ku, Nagoya-shi, Aichi Harness Sogo Co., Ltd. 5G357 DA06 DB03 DC12 DD06 DD12 DE08 DF10 DG05 5G363 AA11 AA13 BA02 DA13 DA20 DC02

Claims (7)

[Claims] 1. A structure for fixing a wire harness to a magnetic member of a vehicle body, wherein a synthetic resin clamp member is attached to the wire harness, and the wire harness falls off in a stationary state when an engine is stopped. A permanent magnet that is magnetically fixed to the magnetic member with a magnetic force that does not cause the magnetic harness of the permanent magnet to be applied, and the wire harness is magnetically fixed to the magnetic member with a magnetic force that does not fall off in a vibration state during engine operation. And an electromagnetic coil of the electromagnet is energized when the power of the vehicle is turned on. 2. The vehicle body fixing structure according to claim 1, wherein the permanent magnet also serves as a magnetic core of an electromagnet. 3. The clamp member according to claim 1, wherein a permanent magnet and an electromagnet are insert-molded in the clamp member.
The body fixing structure of the wire harness according to [1]. 4. An electric wire for energizing the electromagnetic coil is insert-molded in the clamp member, and an end of the electric wire is connected to the energizing electric wire of the wire harness. The vehicle body fixing structure of any one of the wire harnesses. 5. An end of an electric wire for energizing the electromagnetic coil is connected to a press-contact blade insert-molded in the clamp member, and the press-contact blade is press-connected to a current-carrying wire incorporated in the wire harness. The vehicle body fixing structure for a wire harness according to any one of claims 1 to 3, wherein: 6. A structure for fixing a wire harness to a magnetic member of a vehicle body, wherein a clamp member made of synthetic resin is attached to the wire harness, and the clamp member can be hooked on a hook formed on the magnetic member. A hook portion is formed, and an electromagnet is provided for magnetically fixing the wire harness to the magnetic member with a magnetic force that does not fall off in a running vibration state during engine operation.
A body fixing structure for a wire harness, wherein electricity is supplied when the body is turned on. 7. The vehicle body fixing structure according to claim 6, wherein an electromagnet is insert-molded in the clamp member.