JP2002120600A - Harness fixing structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent an instrument panel harness from contacting an air- conditioner duct without requiring additional parts and stably distribute the instrument panel harness for achieving improved quality. SOLUTION: This harness fixing structure comprises an instrument panel cross member arranged in an instrument panel for a vehicle, the air-conditioner duct arranged closely under the instrument panel cross member and the instrument panel harness distributed along the instrument panel cross member, wherein a supporting bracket is mounted on the instrument panel cross member, a member-side guide portion is formed on the supporting bracket in the state of being protruded over the air-conditioner duct, and a connector holder is mounted on an instrument panel side member in the instrument panel for holding a connector for the instrument panel harness, the instrument panel harness being held on the member-side guide portion to keep a gap portion between the air-conditioner duct and the instrument panel harness and being connected to the connector held by the connector holder.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a harness fixing structure, and more particularly to an instrument panel harness that can be prevented from contacting an air conditioner duct without requiring additional parts.
The present invention relates to a harness fixing structure that can stabilize wiring of an instrument panel harness and improve quality.

[0002]

2. Description of the Related Art In a vehicle, an instrument panel is provided in front of a driver's seat in a vehicle compartment, and various electric components are mounted. Inside the instrument panel, an instrument panel harness connected to electrical components is routed.

[0003] The structure of the instrument panel is as follows:
There is one disclosed in JP-A-10-59111. What is disclosed in this publication is that an instrument panel near an installation portion of a passenger side airbag is provided with a surface facing an airbag module that extends obliquely downward substantially along a direction in which the passenger side airbag module is assembled. A concave portion is formed, and the opposing surface also serves as a guide surface of the airbag module when the airbag module is assembled.

[0004] In addition, FIG.
There are the following. In FIG. 14, reference numeral 102 denotes a passenger compartment of a vehicle (not shown); 104, an instrument panel;
Reference numeral 6 denotes an instrument panel cross member that supports the instrument panel 104 (hereinafter referred to as “instrument panel cross member”), and 108 denotes an air conditioner duct of an air conditioner (not shown).

[0005] An instrument panel cross member 106 is disposed in an instrument panel 104 disposed opposite to the vehicle cabin 102 so as to be directed in the vehicle width direction, and an air conditioning duct 08 is disposed above the instrument panel cross member 106. It is arranged. The air conditioner duct 108 is provided with an outlet 110 that opens toward the passenger compartment 102.

The instrument panel 104 includes:
Electrical components (not shown) are provided. Instrument panel harness (hereinafter referred to as “instrument harness”) 112 connected to electrical components is provided on instrument panel cross member 106.
Are held by the clamp 114 on the instrument panel cross member 106, and are routed along the instrument panel cross member 106 in the vehicle width direction. In addition, instrument panel harness 1
12, the connector 116 is held by the connector holder 118, and the instrument panel cross member 106 and the connector holder 1 are held.
18 and is routed in the vertical direction of the vehicle.

The harness fixing structure shown in FIG. 14 can easily approach the instrument panel harness 112 of the portion 120 between the instrument panel cross member 106 and the connector holder 118 which is directed in the vertical direction of the vehicle. It can be carried out.

[0008] As such a harness fixing structure,
There is one disclosed in JP-A-9-306608. In the gazette disclosed in this publication, an assembly box disposed in an upper part of an instrument panel has a harness arrangement groove on one side wall and a plurality of connector holders, and a harness arrangement circuit is provided in the harness arrangement groove. And a connector standby connector is supported by each connector holder, and the harness connection connector is connected to the unit standby connector by mounting the electrical component unit to a plurality of mounting openings of the instrument panel.

[0009]

As shown in FIG. 15, when the space above the instrument panel cross member 106 in the instrument panel 104 is narrow, the air conditioning duct 108 of the air conditioner is provided below the instrument panel member 104.
Will be provided.

In the case of such a harness fixing structure, the instrument panel cross member 106 and the connector holder 11
8 and the instrument panel harness 11 of the portion 120
2 interferes with and contacts the air conditioner duct 108 disposed below the instrument panel cross member 106, and the vehicle panel vibration causes the instrument panel harness 112 to move, causing abnormal noise and deformation of the air conditioner duct 108.

Conventionally, such a problem has been dealt with, for example, by winding an interference prevention member 122 such as a sponge around the instrument panel harness 112 of the portion 120 that interferes with the air conditioner duct 108.

[0012] However, winding the interference prevention member 122 around the instrument panel harness 112 requires additional parts and also requires assembling work of the additional parts. Further, simply winding the interference prevention member 122 around the interfering portion 120 of the instrument panel harness 112 cannot prevent the instrument panel harness 112 from floating due to vehicle vibration, so that the wiring of the instrument panel harness 112 is not stable, and the quality is poor. However, there is a disadvantage that it is not stable.

[0013]

SUMMARY OF THE INVENTION In order to eliminate the above-mentioned disadvantages, the present invention provides an instrument panel cross member for supporting the instrument panel in an instrument panel of a vehicle. In a harness fixing structure in which an air conditioning duct of an air conditioner is disposed close to the instrument panel and an instrument panel harness connected to electrical components of the instrument panel is routed along the instrument panel cross member, a vehicle component is mounted on the instrument panel cross member. Attach and provide a supporting bracket to support,
A member-side guide portion projecting over the air conditioning duct is formed and provided on the support bracket, and a connector holder for holding the connector of the instrument panel harness is provided and provided on an instrument panel side member in the instrument panel. In order to secure a gap between the air conditioner duct and the instrument panel harness, the instrument panel harness is provided to be held by the member-side guide portion and is connected to the connector held by the connector holder. I do.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A harness fixing structure according to the present invention is characterized in that a member-side guide portion projecting over an air conditioner duct is formed on a support bracket for a vehicle component mounted on an instrument panel cross member, A connector holder for holding the instrument panel harness connector is attached to the instrument panel side member in the instrument panel, and the instrument panel harness is held by the member side guide section so as to secure a gap between the air conditioning duct and the instrument panel harness. Also, by connecting to the connector held by the connector holder, it is possible to use the existing support bracket on the vehicle to eliminate the movement of the instrument panel harness due to vehicle vibration without the need for additional parts such as interference prevention members. This can prevent the instrument panel harness from coming into contact with the air conditioner duct.

[0015]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 10 show an embodiment of the present invention. In FIG. 6, reference numeral 2 denotes a vehicle compartment (not shown),
Denotes an instrument panel, 6 denotes an instrument panel cross member (hereinafter referred to as “instrument panel cross member”), and 8 denotes a vehicle body instrument panel side member (hereinafter referred to as “instrument panel cross member”).

An instrument panel cross member 6 for supporting the instrument panel 4 is disposed in an instrument panel 4 disposed to face the passenger compartment 2 so as to be directed in the vehicle width direction. An instrument panel side member 8 that supports the instrument panel 4 is provided on both sides in the vehicle width direction. As shown in FIG. 8, the instrument panel side member 8 is provided with a cross member fitting hole 10 into which the instrument panel cross member 6 is fitted by fitting an end thereof, and a panel mounting portion 12 to which the instrument panel 4 is mounted.

As shown in FIGS. 1 to 3, an air conditioner duct 14 of an air conditioner (not shown) is disposed below the instrument panel cross member 6 in the instrument panel 4. The air conditioner duct 14 is disposed below the instrument panel cross member 6 and close to the instrument panel cross member 6 so as to be biased toward the front of the vehicle, and is disposed so as to be directed in the vehicle width direction.

The air-conditioning duct 14 includes an extension duct 1
6 are connected to each other. Extension duct 16
Is disposed so that the intermediate portion is sunk below the instrument panel cross member 6 and rises toward the rear compartment 2 of the vehicle.
On the other end side, there is provided an air outlet 18 opening toward the vehicle compartment 2.

The instrument panel 4 is equipped with electric components (not shown). An instrument panel harness (hereinafter referred to as “instrument harness”) 20 having one end connected to the electrical component is held by the instrument panel cross member 6 by a clamp 22 on the instrument panel cross member 6.
It is routed along the instrument panel cross member 6 so as to be directed in the vehicle width direction.

The instrument panel cross member 6 is provided with a support bracket 26 for supporting, for example, a turn relay 24 as a vehicle body component. Support bracket 2
6 is provided with an attachment portion 30 attached to the reinforcing member 28 fixed above the instrument panel cross member 6.
A support portion 32 for supporting the turn relay 24 is provided on the vehicle compartment 2 side by bending downward.

As shown in FIG. 4, the support bracket 26 is provided with a member-side guide portion 34 formed therein.
The member-side guide portion 34 is provided on the side opposite to the side on which the support portion 32 of the mounting portion 30 is provided so as to protrude toward the vehicle front side over the air conditioning duct 14.

The member-side guide portion 34 is bent upward from the air-conditioner duct 14 and extends in a direction away from the air-conditioner duct 14. The member-side guide portion 34 extends from the member-side bent portion 36 along the air-conditioner duct. A member-side holding portion 38 extending substantially parallel to the mounting portion 30, and a member-side bent portion 36
The member-side holding portion 38 is disposed above the air conditioner duct 14 with a space therebetween. Member side bent part 3
The member-side support portions 40 are provided upright on both sides of the member 6 and the member-side holding portion 38, respectively, and are formed in a substantially U-shaped cross section.
The instrument side harness 20 is provided on the member side guide portion 34 while being held by a clamp 42.

The instrument panel side member 8 includes:
As shown in FIG. 8, holder attachment portions 44 and 46 are provided, and a connector holder 50 that holds a connector 48 at the other end of the instrument panel harness 20 is attached to the holder attachment portions 44 and 46.

As shown in FIGS. 9 and 10, the connector holder 50 has a columnar holder body 52 for holding the connector 48.
Are provided on both upper and lower ends of the holder main body 52.
2 are provided with end plates 54 and 56 in a direction intersecting the longitudinal direction,
The holder-side mounting portions 58 and 60, which are mounted on the holder mounting portions 44 and 46 from the end plates 54 and 56,
Are provided so as to protrude in the longitudinal direction, and both ends of the end plates 54 and 56 and the holder-side mounting portions 58 and 60 are connected by a pair of side plates 62 and 64.

The connector holder 50 is provided with a holder-side guide portion 66 formed therein. Holder side guide 66
Is a holder-side mounting portion 58 provided at the upper end of the holder main body 52.
One of the side plates 62 is provided so as to protrude toward the member-side guide portion 32, bypassing the vehicle front side of the air conditioner duct 14.

The holder-side guide portion 66 includes a holder-side bent portion 68 bent in a direction away from the air-conditioner duct 14 and an air-conditioner duct 1 from the holder-side bent portion 68.
4 includes a holder-side holding portion 70 extending to a substantially central portion of the air-conditioner duct 14 when viewed from the front. The holder-side bending portion 68 and one side of the holder-side holding portion 70 include a holder-side support portion 72. , And formed in a substantially L-shaped cross section. The holder-side guide portion 66 is provided on the front surface of the holder-side guide portion 66, which is provided substantially perpendicular to the mounting surface of the holder-side mounting portion 58 that abuts the instrument panel side member 8, on the vehicle front side. The instrument panel harness 20 which is held by the
4 for holding.

As shown in FIGS. 1 and 2, the instrument panel harness 20 is provided while being held by the member side guide portion 32 so as to secure a gap 76 between the instrument panel harness 20 and the holder side guide of the connector holder 50. The connector 48 held by the connector holder 50
Connected to

Next, the operation of this embodiment will be described.

In this harness fixing structure, a member-side guide portion 32 projecting over the air conditioner duct 14 is formed on a support bracket 26 of the turn relay 24 attached to the instrument panel cross member 6 and provided. Connector holder 5 for holding connector 48 of instrument panel harness 20 on instrument panel side member 8 in panel 4
0, and a connector-side guide portion 66 is formed and provided on the connector holder 50. In order to secure a gap 76 between the air conditioner duct 14 and the instrument panel harness 20,
The instrument panel harness 20 is provided to be held by the member-side guide portion 32 and is also provided to be held by the holder-side guide portion 66 of the connector holder 50, and is connected to the connector 48 held by the holder main body 52 of the connector holder 50. .

Thus, the fixing structure of the harness
Utilizing the existing support bracket 26 in the vehicle, it is possible to prevent the instrument panel harness 20 from floating due to vehicle vibration without requiring additional components such as interference prevention members, and the instrument panel harness 20 contacts the air conditioner duct 14. Can be prevented.

For this reason, this harness fixing structure can be implemented at low cost by eliminating the need for additional parts and the work of assembling the additional parts, and prevents the instrument panel harness 20 from contacting the air conditioner duct 14. By doing so, it is possible to avoid problems such as generation of abnormal noise and deformation of the air conditioner duct 14, and it is possible to stabilize the wiring of the instrument panel harness 20 by preventing free movement of the instrument panel harness 20 due to vehicle vibration. Can be improved.

In this embodiment, the instrument panel harness 2 is provided on the holder side guide portion 66 of the connector holder 50.
0, the member-side guide portion 32
Can be held and connected to the connector 48, and the harness path can be regulated so as not to contact the air conditioner duct 14.

For this reason, this harness fixing structure can further prevent the instrument panel harness 20 from contacting the air conditioner duct 14, and can surely prevent problems such as generation of abnormal noise and deformation of the air conditioner duct 14. , And the arrangement of the instrument panel harness 20 can be further stabilized, and the quality can be further improved.

In this embodiment, the member-side guide portion 32 of the support bracket 26 and the connector holder 5
0 is separated from the holder-side guide portion 66 of the instrument panel harness 20 by providing the member-side guide portion 32 of the support bracket 26 in connection with the holder-side guide portion 66 of the connector holder 50. Can be reliably prevented, and the harness route can be regulated so as not to contact the air conditioner duct 14.

For this reason, when the member-side guide portion 32 of the support bracket 26 is connected to the holder-side guide portion 66 of the connector holder 50, the instrument panel harness 20 is more reliably prevented from contacting the air conditioner duct 14. As a result, problems such as generation of abnormal noise and deformation of the air conditioner duct 14 can be more reliably avoided, and the quality can be further improved.

In this embodiment, the holder-side bent portion 68 of the holder-side guide portion 66 and the holder-side holding portion 7 are provided.
0 is formed in a single-plate shape, but as shown in FIG. 11, the holding surface of the holder-side guide portion 66 is formed to be thick, and a hole 78 extending in a direction substantially perpendicular to the holding direction of the holding surface is formed. Thereby, weight reduction can be achieved while securing rigidity.

FIG. 12 and FIG. 13 show another embodiment of the harness fixing structure. The harness fixing structure according to the other embodiment includes a guide member 80 attached to the support bracket 26 and the connector holder 50 to hold the instrument panel harness 20. The guide member 80 is provided with a guide body 82 curved and formed in a substantially gutter shape by a flexible material, and is provided with a pair of side edges 84, 84 facing each other in the circumferential direction of the guide body 82 and extending in the longitudinal direction. An opening 86 extending in the longitudinal direction is provided between the pair of side edge portions 84, 84, a member mounting portion 88 is provided at one longitudinal end of the guide body 82, and a holder mounting portion 9 is provided at the other end.
0 is provided.

The guide member 80 separates the guide body 82 from the air-conditioner duct 14 to attach the member mounting portion 88 at one end to the support bracket 26 and to attach the holder mounting portion 90 at the other end to the connector holder 50. The gap 76 is secured and provided by mounting, and the side edge portions 84 are pushed open from the opening 86 to open the instrument panel harness 20.
Are engaged in the guide main body 80 to provide the instrument panel harness 20 held by the pair of side edge portions 84.

As a result, the harness fixing structure of this embodiment is different from the supporting bracket 26 and the connector holder 50.
The instrument panel harness 20 can be secured by holding the gap portion 76 between the air conditioning duct 14 and the instrument panel harness 20, and the instrument panel harness 20 can be held by the side edge portions 84 of the guide member 80. 2
0 can be held by the guide body 80.

For this reason, the harness fixing structure of this other embodiment can reliably hold the instrument panel harness 20 apart from the air conditioner duct 14, thereby preventing generation of abnormal noise and deformation. Thus, the connector can be securely held without requiring a connector.

In the above-described embodiment, the instrument panel harness 20 is held by the member-side guide portions 32 and the holder-side guide portions 66 or the guide members 80. However, the instrument panel harness 20 can be bent by an external force. An elastic supporting member is attached to the instrument panel harness 2 so that it can be restored to a substantially linear shape by removing external force.
When the instrument panel harness 20 is bent into a desired shape in accordance with a change in the distance between the fixed ends and the both ends are fixed by being built in the fixed end, the curved shape can be maintained by the support member, By maintaining this curved form, it is possible to prevent the instrument panel harness 20 from moving unnecessarily, and it is possible to prevent abnormal noise and deformation due to contact.

[0042]

As described above, according to the harness fixing structure of the present invention, the instrument panel harness can be freely moved by the vehicle vibration without using an additional component such as an interference prevention member by using the existing bracket for the component. Can be prevented, and the instrument panel harness can be prevented from contacting the air conditioner duct.

Therefore, this harness fixing structure can be implemented at low cost by eliminating the need for additional parts and the work of assembling the additional parts, and can prevent the instrument panel harness from contacting the air conditioner duct. Problems such as generation of abnormal noise and deformation of the air conditioner duct can be avoided, and wiring of the instrument panel harness can be stabilized by preventing movement of the instrument panel harness due to vehicle vibration, thereby improving quality.

[Brief description of the drawings]

FIG. 1 is an enlarged sectional view of a main part of an instrument panel showing an embodiment of a harness fixing structure according to the present invention.

FIG. 2 is a sectional view of an instrument panel portion.

FIG. 3 is a perspective view of a state in which an instrument panel of a harness fixing structure is removed.

FIG. 4 is an enlarged perspective view of a support bracket provided with a member-side guide portion.

FIG. 5 is an enlarged perspective view of a main part of a connector holder provided with a holder-side opening.

FIG. 6 is a perspective view of an instrument panel.

FIG. 7 is a perspective view of the instrument panel side member to which the connector holder is attached.

FIG. 8 is a side view of the instrument panel side member.

FIG. 9 is a perspective view of a connector holder.

FIG. 10 is a side view of the connector holder.

FIG. 11 is a perspective view of an instrument panel side member on which a connector holder is shown, showing another embodiment of the holder-side guide portion.

FIG. 12 is a perspective view showing another embodiment of the harness fixing structure with the instrument panel removed.

FIG. 13 is an enlarged sectional view of a guide member.

FIG. 14 is a perspective view showing a conventional example of a harness fixing structure with an instrument panel removed.

FIG. 15 is a perspective view showing another conventional example of a harness fixing structure with an instrument panel removed.

[Explanation of symbols]

 2 Cabin 4 Instrument Panel 6 Instrument Panel Cross Member 8 Instrument Panel Member 14 Air Conditioner Duct 20 Instrument Panel Harness 26 Support Bracket 32 Member Side Guide 50 Connector Holder 66 Holder Side Guide

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3D003 AA11 BB01 CA06 CA09 DA13 3D044 BA03 BA05 BA09 BA12 BA14 BB01 BC07 BC13 BC30 BD11 BD13

Claims (4)

[Claims] An instrument panel cross member for supporting the instrument panel is disposed in an instrument panel of a vehicle, and an air conditioning duct of an air conditioner is disposed below the instrument panel cross member to be close to the instrument panel. In a harness fixing structure in which an instrument panel harness connected to an electrical component is routed along the instrument panel cross member, a support bracket for supporting a vehicle component is provided on the instrument panel cross member, and the air conditioning duct is attached to the support bracket. A member side guide portion projecting over the upper part of the instrument panel is formed and provided, and a connector holder for holding a connector of the instrument panel harness is attached to an instrument panel side member in the instrument panel, and the air conditioner duct and the instrument panel harness are provided. To secure a gap between A harness fixing structure, wherein the instrument panel harness is provided so as to be held by the member-side guide portion and connected to a connector held by the connector holder. 2. The harness fixing structure according to claim 1, wherein a member-side guide portion of said support bracket is connected to said connector holder. 3. The connector holder is provided with a holder-side guide portion that protrudes toward the upper member-side guide portion and bypasses the air-conditioner duct, and is provided on the holder-side guide portion. 2. The harness fixing structure according to claim 1, wherein the instrument panel harness is held and guided by the instrument panel. 4. A guide member attached to the support bracket and the connector holder for holding an instrument panel harness, the guide member comprising a guide body curved and formed into a substantially gutter shape by a flexible material. An opening extending in the longitudinal direction between a pair of side edges extending in the circumferential direction and facing in the circumferential direction of the guide body, and engaging the instrument panel harness in the guide body from the opening. 2. The harness fixing structure according to claim 1, wherein the pair of side edges are provided to be held by the pair of side edge portions.