JP2982655B2 - Automotive wiring harness connection structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connection structure for an automobile wire harness which can be shared by a right-hand drive vehicle and a left-hand drive vehicle.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 4A, a wire harness W /
In H, a wire harness W / HR for a right-hand drive vehicle has a connector 1 such as a meter and a connector 3 such as a radio mounted on the right side, and a connector 2 such as an air conditioner mounted on the left side.

As shown in FIG. 4B, in a wire harness W / HL for a left-hand drive vehicle, a connector 1 such as a meter, a connector 3 such as a radio, a detime running light and the like are provided on the left side. The connector 4 is attached, and the connector 2 such as an air conditioner is attached on the right side.

[0004]

However, in a right-hand drive vehicle, a wire harness W / H dedicated to a right-hand drive vehicle is provided.
-R is required, and a left-hand drive vehicle requires a dedicated wire harness W / HL for a left-hand drive vehicle. Therefore, two types of wire harnesses W / HR and W / HL are not manufactured. In addition, there is a problem that productivity is reduced due to a change in the manufacturing process and the cost is increased.

The present invention has been made to solve the above problem, and can be shared by a right-hand drive vehicle and a left-hand drive vehicle.
An object of the present invention is to provide a connection structure of a wire harness for an automobile, which can improve productivity and reduce costs.

[0006]

In order to achieve the above object, according to the present invention, there is provided a wire harness arranged in a lateral direction with respect to a vehicle center line. The vehicle is divided into left and right by a line, and an electric junction box connected to the divided wire harness is arranged at the vehicle center line. In a right-hand drive vehicle and a left-hand drive vehicle, the split wire harness is arranged left and right reversed. We provide connection structures for automotive wire harnesses.

[0007] It is preferable that a connector for connection to an electric connection box is attached to the divided ends of the pair of divided wire harnesses, and that a connector accommodating portion to be connected to the connector is provided on both left and right sides of the electric connection box. (Claim 2) It should be noted that the wiring harness may be configured to directly connect the internal circuit of the electric connection box without using a connector.

For example, in a right-hand drive vehicle, a connector such as a meter is mounted on the right side, and a connector such as an air conditioner is mounted on the left side. In a wire harness for attaching a connector, the wire harness is divided into right and left parts along a vehicle center line, and in a right-hand drive vehicle, a second divided wire harness connected to a load such as a meter is connected to the right side of an electric connection box. On the left side of the electric connection box, a first split wire harness connected to a load such as an air conditioner is connected, while in a left-hand drive vehicle, the second split wire harness is connected on the left side of the electric connection box, The first split wire harness is connected to the right side of the connection box.

[0009] Even if the internal circuit of the electric junction box is divided into a first divided wire harness and a second divided wire harness, the wiring harness to be routed on the right side is located on the right side of the electric junction box and on the left side. It is preferable that the wiring harness to be routed to each be connected to the left side of the electric connection box. (Claim 3) Specifically, a part of a bus bar constituting an internal circuit of the electric junction box is changed according to a left-hand drive vehicle or a right-hand drive. Alternatively, a busbar for both a left handle and a right handle is previously arranged inside the electric connection box, and two connector housings for left and right handles are provided on both right and left sides, respectively. You may select and connect according to a left-hand drive vehicle.

[0010] The electric connection box can be detachably connected to a sub-electric connection box for connecting a left-hand drive vehicle dedicated wire harness and a right-hand drive vehicle dedicated wire harness. (Claim 4)

[0011]

According to the present invention, an electric connection box in which a right-hand drive vehicle and a left-hand drive vehicle are arranged such that the wire harness is divided into right and left parts on the vehicle center line so that the right and left-hand drive vehicles are reversed. Connected to For example, in a right-hand drive vehicle, a split wire harness connected to a load such as meters is connected to the right side of an electric connection box, and a split wire harness connected to a load such as an air conditioner is connected to the left side of the electric connection box. On the other hand, for left-hand drive vehicles, a split wire harness that connects to loads such as meters is connected to the left side of the electrical junction box,
Connect to the right side of the electrical junction box of the split wire harness that connects to the load such as an air conditioner.

As described above, by changing the connection direction of each divided wire harness with respect to the electric connection box on the vehicle center line (reversible), each divided wire harness can be shared by the right-hand drive vehicle and the left-hand drive vehicle. become. Therefore, since only one type of wire harness needs to be manufactured, setup change of the manufacturing process can be reduced, and productivity can be improved and cost can be reduced.

According to the second aspect of the present invention, the connector is provided at the divided end of the divided wire harness and the connector accommodating portions are provided on both right and left sides of the electric connection box. Good and easy mounting work. In particular, when the internal circuit of the electric connection box is configured as in claim 3, the electric connection box can be shared by the right-hand drive vehicle and the left-hand drive vehicle, and the cost can be further reduced. Further, when a sub-electrical connection box for connecting the ends of the dedicated wire harnesses to the left and right steering wheels is connected to the electrical junction box (main), the main electrical connection box is connected to the right-hand drive vehicle and the left steering wheel. It can be shared by steering wheel cars.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the illustrated embodiments. The parts having the same configuration and operation as those of the prior art shown in FIG.

Referring to FIG. 4, a common connector which needs to be connected to both the right-hand drive vehicle and the left-hand drive vehicle also in the wire harness is a connector 1 for connecting meters and the like, a connector 2 for connecting to an air conditioner and the like, Connector 3 for connecting to a radio or the like. The connector 4 connected to a detime running light or the like is dedicated to a left-hand drive vehicle (mainly an export vehicle).

The wire harness of the present invention is obtained by dividing the wire harness shown in FIG. 3A having only the common connectors 1 to 3 right and left at the vehicle center line A as shown in FIG. , A first divided wire harness W / H-1 and a second divided wire harness W / H-2. A connector 2 such as an air conditioner is attached to the first split wire harness W / H-1, and the first split wire harness W / H-
2 is a connector 1 such as a meter and a connector 3 such as a radio.
And will be attached.

The divided ends of the first and second divided wire harnesses W / H-1 and W / H-2 are provided with connectors 10 and 1 with an electric connection box 5, respectively, as shown in FIG.
1 is attached.

On the other hand, a first divided wire harness W / H-1 and a first divided wire harness W / H-
Connector accommodating portion 5 connectable to second connectors 10 and 11
An electrical junction box 5 having a and 5b on the left and right sides is arranged. On the left side of the electric connection box 5, there is provided a connector housing 5c which can be connected to a connector of a wire harness W / HS dedicated for a left-hand drive vehicle. Is provided with a connector housing portion 5d that can be connected to a connector of a dedicated wire harness.

Further, inside the electric connection box 5, first and second divided wire harnesses W / H-1 are provided in left and right connector accommodating portions 5a and 5b from both left and right directions.
And a part of the bus bar of the internal circuit, that is, the connector 10,
The bus bar connected to 11 is changed and installed for left-hand drive cars and right-hand drive cars.

When the divided wire harness and the electric connection box having the above-described configuration are provided, in a right-hand drive vehicle, as shown in FIG. 1A, a connector 1 such as a meter and a connector 3 such as a radio are attached. The connector 11 of the divided wire harness W / H-2 is connected to the connector housing 5 on the right side of the electric connection box 5.
b, and the connector 10 of the first split wire harness W / H-1 to which the connector 2 such as an air conditioner is attached is connected to the connector housing 5a on the left side of the electric connection box 5.

On the other hand, in a left-hand drive vehicle, as shown in FIG. 1B, a connector 1 such as a meter and a connector 3 such as a radio are connected.
And the second divided wire harness W / H-2
Connector 10 is connected to the connector housing portion 5a on the left side of the electric connection box 5, and the connector 11 of the first split wire harness W / H-1 to which the connector 2 such as an air conditioner is attached is mounted on the right side of the electric connection box 5. Unit 5b. Also, a dedicated wire harness W / HS for a left-hand drive vehicle equipped with a connector 4 such as a detime running light
Connector into the connector housing 5c on the left side of the electric connection box 5.
Connect to

As described above, the electric connection box 5 of the vehicle center line A
In contrast, the connection direction of the first and second divided wire harnesses W / H-1 and W / H-2 is changed, in other words, the first and second divided wire harnesses W / H-1 and W / H are changed. -2 is reversible, so that the first and second divided wire harness W
/ H-1 and W / H-2 can be shared by right-hand drive vehicles and left-hand drive vehicles. Therefore, in this example, one kind of the first and second divided wire harnesses W / H-1 and W / H-
Since only 2 is provided, it is possible to reduce a setup change of a manufacturing process for manufacturing the wire harness W / HL for a left-hand drive vehicle, so that productivity can be improved and cost can be reduced.

On the other hand, when the number of dedicated wire harnesses W / HS for the left and right steering wheels is large, the number of connector housings 5c and 5d of the electric connection box 5 is increased.
The electric connection box 5 is complicated for common use. Therefore, as shown in FIG. 3A, a sub-electric connection box 6A having a connector housing portion 6a for connecting a connector of the right-dedicated wire harness W / H-S1 to a right-hand drive vehicle is attached to the main electric connection box 5. It can be connected detachably. Also,
As shown in FIG. 3 (B), a connector housing 6b for connecting a connector of a wire harness W / H-S2 to a left-hand drive vehicle for connection to a left-only detime running light or the like.
The main electric connection box 5 can be detachably connected to the sub electric connection box 6B having

[0024]

As is clear from the above description, the connection structure of the automotive wire harness according to the present invention can be divided by changing the connection direction of the divided wire harness with respect to the electric connection box of the vehicle center line. Since the wire harness can be shared by the right-hand drive vehicle and the left-hand drive vehicle, only one type of wire harness needs to be manufactured, the change in the manufacturing process can be reduced, the productivity can be improved, and the cost can be reduced. Become like

Further, even if the internal circuit of the electric connection box is arranged with the divided wire harnesses reversed left and right, the right wire harness can be connected to the right side of the electric connection box and the left wire harness can be connected to the left side of the electric connection box. Then, the electric connection box can be shared by the right-hand drive vehicle and the left-hand drive vehicle, and the cost can be further reduced. Furthermore, by connecting the sub-electrical connection box that connects the end of the dedicated wire harness to the left and right-hand drive vehicles to the main electric connection box, the main electric connection box shared by right-hand drive vehicles and left-hand drive vehicles can be downsized. Can be.

[Brief description of the drawings]

FIG. 1 is a connection structure of a wire harness of the present invention,
(A) is for a right-hand drive vehicle, and (B) is for a left-hand drive vehicle.

FIG. 2 is a schematic view of a split wire harness of the present invention.

FIG. 3 shows a connection structure according to a modified example of the present invention, wherein (A) is for a right-hand drive vehicle and (B) is for a left-hand drive vehicle.

FIG. 4 shows a connection structure of a conventional wire harness,
(A) is for a right-hand drive vehicle, and (B) is for a left-hand drive vehicle.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Connector connected to meters etc. 2 Connector connected to an air conditioner etc. 5 Electric connection box (main) 5a, 5b Connector accommodating part 6A, 6B Electric connection box (sub) 10, 11 Connector W / H-1 First split wire Harness W / H-2 Second split wire harness A Vehicle center line

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-4-353054 (JP, A) JP-A-1-212636 (JP, A) JP-A-1-212635 (JP, A) JP-A-55- 46592 (JP, A) JP-A-6-245350 (JP, A) JP-A-6-165345 (JP, A) JP-A 5-64005 (JP, U) JP-A 5-71058 (JP, U) 6-45287 (JP, U) 5-9122 (JP, U) 5-2525 (JP, U) 56-35470 (JP, U) 56-1111025 (JP, U) Japanese Utility Model Showa 58-138022 (JP, U) Japanese Utility Model Showa 63-109248 (JP, U) (58) Field surveyed (Int. Cl. ⁶ , DB name) B60R 16/02 H02G 3 / 08

Claims (4)

(57) [Claims] 1. A wire harness arranged in a left-right direction with respect to a vehicle center line, wherein the wire harness is divided into left and right parts by a vehicle center line, and is connected to the vehicle center line with the divided wire harness. A connection structure for an automobile wire harness in which a connection box is arranged, and the right and left-hand drive vehicles are configured such that the split wire harness is routed left-right reversed. 2. A connector for connecting to an electric connection box is attached to a divided end of the pair of divided wire harnesses, and a connector accommodating portion to be connected to the connector is provided on both left and right surfaces of the electric connection box. 3. The connection structure for an automobile wire harness according to claim 1. 3. Even if the internal circuit of the electric connection box is divided and the wire harnesses are arranged right and left reversed, the wire harness arranged on the right side is arranged on the right side of the electric connection box, and the wire harness arranged on the left side is arranged on the left side. The connection structure of a wire harness for an automobile according to claim 2, wherein the connection structure can be connected to the left side of the electric connection box. 4. The electric connection box according to claim 1, wherein a sub-electric connection box for connecting a wire harness dedicated to a left-hand drive car and a wire harness dedicated to a right-hand drive car can be detachably connected to the electric connection box. The structure of the automotive wire harness according to claim 1.