CN2749735Y

CN2749735Y - Wire harness wiring structure of engine room

Info

Publication number: CN2749735Y
Application number: CN 200420003825
Authority: CN
Inventors: 桑野泰成
Original assignee: Nissan Motor Co Ltd
Current assignee: Nissan Motor Co Ltd
Priority date: 2003-03-03
Filing date: 2004-02-18
Publication date: 2006-01-04
Anticipated expiration: 2014-02-18
Also published as: CN1270922C; JP4010259B2; CN1526591A; JP2004262368A

Abstract

The utility model relates to a wire harness wiring structure of an engine room, which can remarkably improve the assembling work efficiency and can sufficiently reduce the production cost in the practical process. An electric appliance component 5 of the wire harness wiring structure of the engine room is arranged at the periphery of an engine body 2 in which the engine body 2 and an engine room of a power unit 1 of a gear box 3 are transversely loaded corresponding to the front and the back directions of a vehicle body. One end of a wire harness 7 is connected with the electric appliance component 5, and the other end of the wire harness is wired to the rear part of the vehicle body, so after the wire harness 7 is fixed on a steering rack assembly 10 which extends in the vehicle width direction of the lower part of the engine room from the rear direction of the engine body 2 and then the wiring is conducted from the engine room to the rear part of the vehicle body.

Description

The harness wiring structure of piggyback pod

Technical field

The utility model relates to a kind of harness wiring structure of piggyback pod vehicle, desirable that the horizontal lift-launch of car body fore-and-aft direction relatively has the dynamic assembly of engine body and change speed gear box that is applied to especially.

Background technology

In recent years, in the piggyback pod in car body the place ahead, relatively the car body fore-and-aft direction vehicle that carries the dynamic assembly that the change speed gear box of the propulsive effort that is arranged side by side, is used to transmit this driving engine by engine body with this engine body constitutes by horizontal supporting has increased.

And, this vehicle, also as disclosed in patent documentation 1, the wire harness of the electric component around the engine body is fixed on the side of above-mentioned change speed gear box one side of engine body or on the casing of this change speed gear box, is arranged in car body rear one side with wire harness clip etc.

[patent documentation 1]

Japanese patent gazette spy opens flat 11-105643 number (Fig. 1)

Because it is a variety of that the free air capacity of the engine body that in recent years the same car type of automobile is carried is provided with, or drive form adopts reasons such as 2 wheel drive and 4 wheel drive, generally speaking, adopts the cover of several variations of design.

But, the harness wiring structure of the piggyback pod that such patent documentation 1 is put down in writing, because in the different occasion of the engine body specification of carrying or owing to the difference of the drive form that is adopted makes the different occasion of specification of change speed gear box, the wire harness that every kind of specification all must change in the piggyback pod is arranged, therefore, not only reduced the stack-mounted work efficiency, also might cause productive costs increases.

Therefore, the utility model its objective is that in view of so existing problem proposes providing a kind of can improve the stack-mounted work efficiency significantly, and, the harness wiring structure of the piggyback pod that when practicality, can reduce production costs fully.

The utility model content

At the utility model, the harness wiring structure of piggyback pod, electric component be arranged on engine body in the piggyback pod of dynamic assembly that the horizontal lift-launch of relative car body fore-and-aft direction has engine body and change speed gear box around, one end of wire harness is connected on this electric component, the other end of wire harness is connected up to the car body rear, make it after wire harness being fixed on the steering rack assembly that extends setting from the rear of engine body to the overall width direction below piggyback pod, connect up to the car body rear from this piggyback pod.

According to the utility model, because after will being fixed on the steering rack assembly with the electric component bonded assembly wire harness around the engine body, connect up to the car body rear from this piggyback pod, so, even a kind of different occasion of specification at every kind of vehicle motor body or change speed gear box can be provided, also need not change harness wiring for all size, can make this harness wiring identical, so, can improve the stack-mounted work efficiency significantly, and, the harness wiring structure of the piggyback pod that when practicality, can reduce production costs fully.

Description of drawings

Fig. 1 is the brief configuration figure of an embodiment of the harness wiring structure of expression piggyback pod of the present utility model.

The cutaway view of Fig. 2 section that to be expression dissect along arrow A-A of Fig. 1.

Fig. 3 is the block diagram that the main position of enlarged drawing 1 is represented.

The specific embodiment

Below, at length an embodiment of the present utility model is described with accompanying drawing.

Fig. 1～shown in Figure 3 is an embodiment of the harness wiring structure of piggyback pod of the present utility model, Fig. 1 is the brief configuration figure that uses piggyback pod of the present utility model, Fig. 2 is the arrow A-A side cross sectional view along Fig. 1, and Fig. 3 is the block diagram that the main position of enlarged drawing 2 is represented.

In Fig. 1 and Fig. 2, the whole dynamic assembly of 1 expression, overall width direction both sides, between the not shown a pair of front side member that the car body fore-and-aft direction extend to be provided with, the cradle portion of not showing by the figure that is arranged on the overall width direction left and right sides is equipped with engine body 2 and is arranged side by side, transmits the change speed gear box 3 of the propulsive effort of this engine body 2 with this engine body 2.

On this engine body 2, a side is connected with the dontake pipe 4a that exhaust is used in the wings, middle be connected freeing pipe 4 on this dontake pipe 4a across catalyst 8, be passed in the floor tunnel 12 that car body gauge panel 11a upper edge car body fore-and-aft direction forms and set car body rear one side, and car body gauge panel 11a is provided with to the car body rear extension from the control desk gauge panel 11 that is provided with along the car body above-below direction at piggyback pod rear.

At the rear of this engine body 2, be provided with alternating current generator 5 as electric component, an end of wire harness 7 is connected on this alternating current generator 5 by connector 6.

And, steering rack assembly 10 is that the car body rear of dynamic assembly 1 is along on the sprung parts 9 of overall width direction extension setting, extend setting along this sprung parts 9 to the overall width direction, this wire harness 7 is from the alternating current generator 5 at the rear that is provided in this engine body 2, end to this steering rack assembly 10 is laid, be fixed on the inside one side (being ground one side of car body downside) of this steering rack assembly 10 by wire harness clip 7a, along this steering rack assembly 10 to the overall width direction opposite side of this steering rack assembly 10 (promptly to) wiring.

Then, the other end of this wire harness 7, pass through the top of this steering rack assembly 10 from the other end of steering rack assembly 10, above-mentioned car body gauge panel 11a to the car body rear that is positioned at this steering rack assembly 10 goes up laying, be fixed on this car body gauge panel 11a with wire harness clip 7a, 11a connects up to the car body rear along this car body gauge panel.

On the other hand, at this piggyback pod, cover 13 at the bottom of being provided with driving engine below the engine body on the dynamic assembly 12, cover 13 leading section is connected with first crossbeam 14 between the leading section that is crossed on above-mentioned a pair of front side member at the bottom of this driving engine, and rearward end is connected with sprung parts 9.

And, be equipped with the air guide hole 13a that the wind that will travel energetically when being used in vehicle ' imports to above-mentioned wire harness 7 one sides on 13 at cover at the bottom of this driving engine.Specifically, as shown in Figure 3, air guide hole 13a makes the bottom of the rake 13b that forms from the front portion of cover 13 at the bottom of driving engine to the car body rear, gradually to the body inner side direction and to overall width direction enlarged openings.

So, harness wiring structure according to such piggyback pod, because wire harness 7 is being connected an end on the alternating current generator 5 as electric component on every side that is arranged at engine body 1 by connector 6, after being fixed on the other end on the steering rack assembly 10 that is equipped on the sprung parts 9, connect up to the car body rear from this piggyback pod, so, even at engine body 2, the occasion that change speed gear box 3 specifications are different, also can need not change harness wiring to every kind of specification, make this harness wiring identical, so, assembly working efficient can be improved significantly, so, when practicality, can fully reduce production costs.

At this moment, after freeing pipe 4 was connected on the engine body 2 by dontake pipe 4a, the centre set to the car body rear across catalyst 8, and wire harness 7 passes from the below of freeing pipe 4, fix and be arranged on the above-mentioned steering rack assembly 10 along the overall width direction, therefore, be arranged on the ground-surface position near the car body downside, when vehicle ', can cool off it by the wind that travels that enters from this car body downside, so, can reduce the solar heat protection measure of wire harness 7, have the advantage that can reduce component costs.

In addition, because this wire harness 7 is arranged in the inside one side with respect to above-mentioned freeing pipe 4 (being above-mentioned ground one side) of the steering rack assembly 10 that is equipped on above-mentioned freeing pipe 4 belows, so, steering rack assembly 10 is connected up between wire harness 7 and this freeing pipe 4, therefore, can further strengthen the solar heat protection measure of wire harness 7, and, because can use existing steering rack, so, also be convenient to reduce components number and cost-cutting.

Have again, by be equipped on piggyback pod below driving engine at the bottom of cover be provided for the wind that travels is directed to the air guide hole 13a of wire harness 7 one sides on 13, owing to can be taken into the wind that travels more energetically, improve the cooling performance of cooling wire harness 7 significantly, further reduce the solar heat protection measure of wire harness 7, so, also can further reduce component costs.

Though with an above-mentioned embodiment is example, the harness wiring structure of piggyback pod of the present utility model is illustrated, the utility model is not limited to this, in the scope that does not break away from general idea of the present utility model, can adopt various forms of implementation.

For example, in the above-described embodiments, though the engine body 2 to dynamic assembly 1 is illustrated the occasion that dontake pipe 4a is provided in its rear one side, so-called rear discharge type, but the utility model is not limited to this, and also can be applied to is the occasion of the place ahead discharge type that dontake pipe is provided in the place ahead one side of engine body.

Not mediocre query, alternating current generator 5 also not only is defined in above-mentioned rear one side with respect to the equipping position of engine body 2, also can be in the place ahead of engine body 2 one side.

Claims

1. the harness wiring structure of a piggyback pod, electric component be arranged on above-mentioned engine body in the piggyback pod of dynamic assembly that the horizontal lift-launch of relative car body fore-and-aft direction has engine body and change speed gear box around, one end of wire harness is connected on the above-mentioned electric component, and the other end is characterized in that to the wiring of car body rear:

Above-mentioned wire harness is fixed on from the rear of above-mentioned engine body to extending on the steering rack assembly that is provided with in the overall width direction below the above-mentioned piggyback pod, and connects up to above-mentioned car body rear from this piggyback pod.

2. according to the harness wiring structure of the piggyback pod of claim 1, it is characterized in that:

Above-mentioned wire harness passes below the freeing pipe that sets to above-mentioned car body rear from above-mentioned engine body.

3. according to the harness wiring structure of the piggyback pod of claim 1 or 2, it is characterized in that:

Above-mentioned wire harness be arranged in the above-mentioned steering rack assembly that is equipped on above-mentioned freeing pipe below, with respect to the inside one side of above-mentioned freeing pipe.

4. according to the harness wiring structure of any 1 piggyback pod of claim 1 to 3, it is characterized in that:

On cover at the bottom of the driving engine that is equipped on below the above-mentioned piggyback pod, be provided for the air guide hole that the above-mentioned wire harness of the wind direction that travels is side directed.