JPH0858492A - Wiring structure of automobile - Google Patents

Abstract

PURPOSE: To easily and efficiently carry out connection work between wire harnesses from the side of an engine room. CONSTITUTION: Wiring structure 18 is furnished with a duct member 20 communicating an engine room 14 and the inside of a room 16 to each other, connectors 28a-28d arranged in this duct member 20 and to connect an engine room harness 22 which is a wire harness on the side of the engine room 14, an engine harness 24 and a main harness which is a wire harness on the side of the inside 16 of the room to each other and fuse connectors 30a-30c. Consequently, it is possible to easily carry out connection work from the side of the engine room 14.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automobile wiring structure for connecting a wire harness on the engine room side and a wire harness on the room side.

[0002]

2. Description of the Related Art Normally, in the engine room of an automobile,
Devices such as an engine, a fuse box, and a relay box are mounted, and wire harnesses (engine harness and engine room harness) connected to them are connected to a wire harness connected to devices in the room.

In this case, generally, a through hole is formed in the lower side of the dash panel that separates the inside of the engine room from the inside, and one wire harness is inserted into this through hole through a grommet, and The one wire harness and the other wire harness are connected in the engine room or the room via a connector.

[0004]

However, in the above-mentioned prior art, for example, when performing a wiring work between wire harnesses on the indoor side, it is necessary for an operator to enter the lower part of the instrument panel, which causes a difficult posture. As a result, the work becomes complicated. In addition, when the wire harness on the indoor side is passed to the engine room side and the connection work is performed on the engine room side, it is difficult to pass the wire harness on the indoor side from the lower part of the instrument panel. turn into.

Particularly, in a panel unit structure in which parts such as a wire harness, an air conditioner, an ABS, an engine ECU, an EAT, a pillar pipe and an instrument panel are attached in advance, a through hole formed on the lower side of the dash panel is used. It is behind the panel unit itself. For this reason, there is a problem that the wire harness wiring work cannot be performed.

Further, in order to directly connect the engine harness to units such as an engine ECU in the room, a dedicated through hole may be provided in the dash panel separately from the engine room harness. It has been pointed out that this causes an increase in transmitted sound at the bottom of the dash panel.

The present invention solves this type of problem, and an object of the present invention is to provide a wiring structure for an automobile capable of easily and efficiently performing a connecting work between wire harnesses from the engine room side. And

[0008]

In order to achieve the above-mentioned object, the present invention provides a wiring structure of an automobile for connecting a wire harness on the engine room side and a wire harness on the room side. And a duct member communicating with each other in the room, and arranged in the duct member,
It is characterized by including a wire harness on the engine room side and a connector for connecting the wire harness on the room side.

[0009]

In the above-described automobile wiring structure according to the present invention, the connector for connecting the wire harnesses is arranged in the duct member that communicates between the engine room and the room. It can be performed from the engine room side. Therefore, the work of connecting the wire harness can be performed easily and quickly at once.

Furthermore, the through holes that connect the engine room and the room can be integrated into a single duct member, and the sound transmitted through the dash panel can be reduced.
Further, since the connector is arranged in the duct member, it becomes possible to effectively waterproof the connector.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An automobile wiring structure according to the present invention will be described below with reference to the accompanying drawings.

In FIG. 1 and FIG.
[FIG. 3] shows a body of an automobile in which the wiring structure according to the present embodiment is adopted. An engine room 14 and a room 16 are divided by a dash panel 12 that constitutes the body 10, and a wiring structure 18 according to the first embodiment is provided below the dash panel 12.

The wiring structure 18 is provided with a duct member 20 that communicates the engine room 14 and the room 16 with each other, and an engine room harness 22 and an engine harness which are arranged inside the duct member 20 and are wire harnesses on the engine room 14 side. Connector 28 for connecting the main harness 26, which is a wire harness on the side of the room 16
a to 28d and fuse connectors 30a to 30c.

As shown in FIG. 3, the engine room harness 22 is connected to various devices in the engine room 14, and its end portion is connected to connectors 28a and 28b as shown in FIG. Connector 32a, 32b
And a fuse connector 34 are provided.

One end of the engine harness 24 is connected to an engine (not shown) mounted in the engine room 14, and the other end thereof includes connectors 36a and 36b coupled to the connectors 28c and 28d and a fuse connector 38. Is provided, and a harness 24a further extending from the other end is led out to the room 16 side through the inside of the duct member 20, and the engine EC is attached to the end of the harness 24a.
Connector 4 to be connected to U (described later) or indoor harness
0a to 40c are provided.

As shown in FIG. 3, the main harness 26
Is previously assembled in the panel unit 42 on the indoor 16 side. The panel unit 42 includes various components such as an instrument panel 44, an air conditioner unit 46, a duct unit (not shown), an engine ECU, and an AB.
Control unit 4 in which S, EAT and TCS are centrally arranged
8 and the like are integrally assembled in advance.

As shown in FIGS. 1 and 2, the main harness 26 is inserted into the duct member 20 from the room 16 side, and connectors 28a to 28d and fuse connectors 30a to 30c are provided at the ends thereof. . Connector 2
8a to 28d are duct members 20 via the fixing means 50.
Fixed inside. The fixing means 50 includes a plurality of stays 52 fixed to the inner wall surface of the duct member 20, and the stays 52 hold the connectors 28a to 28d immovably. On the other hand, the fuse connectors 30a to 30c, 34 and 38 are movably arranged in the duct member 20.

The duct member 20 has a flange portion 54 that surrounds the through hole 12a formed in the lower portion of the dash panel 12 and is screwed thereto, and the flange portion 54 is integrally provided with a tubular portion 56. Notches 60a and 60b for fitting the grommets 59a and 59b of the engine room harness 22 and the engine harness 24 are formed in the mounting portion 58 provided. The fuse box 62 is screwed to the mounting portion 58, and the fuse connectors 62 a to 30 a are attached to the fuse box 62.
0c, 34 and 38 are connected.

Next, the wiring structure 18 thus constructed
The operation of will be described.

First, the main harness 26 on the side of the room 16
Is led out from the panel unit 42 and inserted into the duct member 20 through a through hole 12 a formed in the lower portion of the dash panel 12. The connectors 28a to 28d provided at the ends of the main harness 26 are fixed by the fixing means 50.
The fuse connectors 30a to 30c are fixed to the inside of the duct member 20 via the fuse members 30a to 30c (see FIG. 1).

Therefore, the engine room harness 22 is
Inserted into the duct member 20 through the notch 60a, the connectors 32a and 32b provided at the ends thereof are coupled to the connectors 28a and 28b of the main harness 26, and the fuse connector 34 is provided inside the duct member 20. It is movably arranged.

Further, the engine harness 24 is inserted into the duct member 20 through the notch 60b, the connectors 36a and 36b provided at the ends thereof are coupled to the connectors 28c and 28d of the main harness 26, and
A fuse connector 38 is movably arranged in the duct member 20. In addition, the harness 24a that constitutes the engine harness 24 passes through the duct member 20 and
To the connector 40a provided at the end of the connector 40a to
40c is connected to the engine ECU and the indoor harness.

Next, after the fuse connectors 30a to 30c, 34 and 38 are connected to the fuse box 62, the fuse box 62 is screwed to the mounting portion 58 of the duct member 20.

In this case, in the present embodiment, the main harness 26 on the side of the room 16 is arranged in the duct member 20 through the through hole 12a formed in the lower portion of the dash panel 12, and the main harness 26 from the engine room 14 side Main harness 26
The wiring work between the engine room harness 22 and the engine harness 24 is performed. Therefore, it is not necessary for a worker to enter the lower part of the instrument panel 44 as in the case of performing the wiring work from the side of the room 16, and the workability can be improved at once by avoiding the wiring work due to a difficult posture. To be

Further, the through holes 12a for communicating the engine room 14 and the room 16 can be integrated into a single duct member 20. This allows the dash panel 1
2 has an advantage that the transmitted sound can be easily reduced.
At that time, the soundproofing material can be filled into the duct member 20 from the mounting portion 58 side, and the filling work can be easily performed.

Moreover, the connector 28 is provided in the duct member 20.
a-28d, 32a, 32b and 36a, 36b and fuse connectors 30a-30c, 34 and 38 are provided. Therefore, it becomes possible to effectively waterproof these connector groups, and if these are set to be non-waterproof and inexpensive, there is an effect that cost reduction can be easily achieved. By fixing the fuse box 62 to the attachment portion 58 of the duct member 20, the inside of the duct member 20 is more reliably waterproofed.

Furthermore, the connectors 28a to 28d are fixed in the duct member 20 via fixing means 50. For this reason, the work of connecting the connectors 32a, 32b and 36a, 36b to the connectors 28a-28d can be performed with one hand, and the workability is improved, and the fuse connectors 30a-30c, 34, 38 in the free state are accidentally pulled out. There is an advantage that it can be prevented. On the other hand, the fuse connectors 30a to 30c, 34
Reference numerals 38 and 38 are connected to the fuse box 62. By being movably (freely) arranged in the duct member 20, the connection work to the fuse box 62 is facilitated.

By the way, the main harness 26 inserted in the duct member 20 can be held in the duct member 20. That is, as shown in FIG. 4, a U-shaped guide member 70 is provided in the duct member 20, and the main harness 26 is inserted into the guide member 70.

As a result, when the main harness 26 drawn out from the panel unit 42 is held by the guide member 70 and inserted into the duct member 20, the harness 24a of the engine harness 24 is inserted into the duct member 20. In addition, there is an advantage that the main harness 26 does not interfere with each other and the workability of passing wires is improved.

Instead of the guide member 70, a clip 80 can be used as shown in FIG. The clip 80 is attached to the main harness 26, and the main harness 26 is fixed in the duct member 20 by fitting the clip 80 into the hole portion 82 formed in the duct member 20. .

Next, the wiring structure 90 according to the second embodiment.
Will be described with reference to FIG. This wiring structure 90
In the duct member 92 constituting the above, the curved portion 96 is formed in the flange portion 94 screwed to the dash panel 12. A wire harness 98 on the engine room side is fitted to the curved portion 96 via a grommet 100.

Therefore, in the second embodiment, the effect that the grommet 100 of the wire harness 98 is sandwiched between the lower surface of the dash panel 12 and the curved portion 96 of the duct member 92 to be liquid-tightly sealed is obtained.

Further, in the wiring structure 110 according to the third embodiment shown in FIG. 7, the tubular portion 1 forming the duct member 112.
A through hole 116 is formed in 14, and the through hole 116 is
A wire harness 118 on the engine room side is fitted via a grommet 120. Thereby, the inside of the duct member 112 can be reliably waterproofed.

Furthermore, in the wiring structure 130 according to the fourth embodiment shown in FIG. 8, the attachment portion 13 of the duct member 132 is provided.
4 is provided substantially upward. This mounting part 13
A notch portion 138 is formed from 4 toward the tubular portion 136, and a wire harness 140 on the engine room side is fitted into the notch portion 138 via a grommet 142. The grommet 142 is sandwiched between the duct member 132 and the fuse box 144 to be liquid-tightly sealed, and the fuse box 144 is screwed to the duct member 132, and then the cover 146 is attached.

In the wiring structure 130 according to the fourth embodiment, since the mounting portion 134 of the duct member 132 is oriented substantially upward, the wiring work of the wire harness 140 can be performed more easily and workability can be improved. The advantage is that the improvement is achieved.

In each of the above embodiments, the duct member 2
Although the fuse box 62 or the like is attached to 0 or the like, a relay box can be used instead of the fuse box 62 or the like.

[0037]

According to the automobile wiring structure of the present invention, the following effects and advantages can be obtained.

A connector for connecting the wire harnesses to each other is provided in a duct member that communicates between the engine room and the room, so that the wire harnesses can be connected from the engine room side. Therefore, the work of connecting the wire harness can be performed easily and quickly at once.

Furthermore, the through holes that connect the engine room and the room can be integrated into a single duct member, and the sound transmitted through the dash panel can be reduced.
Further, since the connector is arranged in the duct member, the connector can be effectively waterproofed, and the connector can be made non-waterproof and inexpensive.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a wiring structure according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing a state where the wiring structure is mounted on a body of an automobile.

FIG. 3 is an explanatory diagram of a wire harness on an engine room side and an indoor side.

FIG. 4 is a perspective explanatory view of a fixing means for fixing the wire harness in the duct member.

FIG. 5 is a perspective explanatory view of another fixing means for fixing the wire harness in the duct member.

FIG. 6 is a perspective explanatory view of a wiring structure according to a second embodiment of the present invention.

FIG. 7 is a perspective explanatory view of a wiring structure according to a third embodiment of the present invention.

FIG. 8 is a perspective explanatory view of a wiring structure according to a fourth example of the present invention.

[Explanation of symbols]

10 ... Body 12 ... Dash panel 14 ... Engine room 16 ... Interior 18 ... Wiring structure 20 ... Duct member 22 ... Engine room harness 24 ... Engine harness 26 ... Main harness 28a-28d
... Connectors 30a to 30c ... Fuse connectors 32a, 32b
... Connector 34 ... Fuse connector 36a, 36b
... Connector 38 ... Fuse connector 42 ... Panel unit 50 ... Fixing means 62 ... Fuse box 70 ... Guide member 80 ... Clip 90 ... Wiring structure 100 ... Grommet 110 ... Wiring structure 120 ... Grommet 130 ... Wiring structure 134 ... Mounting portion 142 ... Grommet

Claims (3)

[Claims] 1. A wiring structure of an automobile for connecting an engine room side wire harness and an indoor side wire harness, comprising: a duct member communicating between the engine room and the room; A wiring structure for an automobile, comprising: a connector that is provided and that connects the wire harness on the engine room side and the wire harness on the indoor side. 2. The wiring structure for an automobile according to claim 1, further comprising fixing means for fixing at least one of the connectors to an inner wall of the duct member. 3. The wiring structure according to claim 1, further comprising a box member accommodating electronic device parts for closing an opening of the duct member on the engine room side. Construction.