JPH04123931A - Setup structure of intercooler vent pipe for vehicle - Google Patents

Abstract

PURPOSE:To reinforce a cross member without entailing any reduction in the closed section oart area of a side member as well as to improve an energy absorption characteristic at time of car frontal clash by inserting a pipe material into an opening piercing through the cross member, and inserting an intercooler vent pipe into this pipe material. CONSTITUTION:In a fluid-flow engine type vehicle, an engine 1 is set up crosswise, and an intercooler 6 is set up in front of a cross member 4, while vent pipes 7a, 7b attached to both sides of this intercooler 6 are connected to a turbocharger 8 and an intake manifold. In this case, at a spot little nearer to the center of a car body of a side member 3, each of circular openings 12, 13 piercing through a front wall 40c of a crossmember body 4a and a closing plate 4b are formed in the lower part of an upper wall 40b, rising up aslant, of the cross-member body 4a, inserting a pipe member 14 into these openings. In addition, the vent pipe 7b of the intercooler 6 is inserted into this pipe member 14.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to an arrangement structure for an intercooler ventilation pipe for a vehicle.

BACKGROUND OF THE INVENTION Some vehicles equipped with conventional intercoolers have an intercooler located in front of a cross member located at the front of the vehicle body.

Figures 3 to 6 show the intercooler ventilation pipe arrangement structure of a FF model car. In the figures, 1 is the engine, 2 is the transmission, and the engine 1 is between the side members 3 provided in the longitudinal direction of the vehicle body. are arranged horizontally.

A cross member 4 is attached to the distal end portions of both side members 3 across the vehicle width direction with both end portions 4a and 4b offset upward, and a radiator 5 is disposed at the rear of the cross member 4.

An intercooler 6 is attached to the front of the cross member 4, and ventilation pipes 7a and 7b attached to both sides of the intercooler 6 cross below both ends 4a and 4b of the cross member 4, and one passage The trachea 7a is connected to the turbocharger 8, and the other vent pipe 7b is connected to an intake manifold (not shown). Note that 9 indicates tie-down hooks attached to both ends of the cross member 4.

Also, as a characteristic of FF type cars, the engine 1 is oriented horizontally by Ea.
Since the side members 3 are arranged in a vertical direction, the side members 3 are located closer to the sides than when they are arranged in the vertical direction. Therefore, the third and sixth
As shown in the figure, a space is created between the side of the radiator 5 and the side member 3, and a space is created in this space by cutting out the old radiator core oxide 10 and inserting the ventilation pipe of the intercooler 6 into this notch j1. ? There is also a structure in which intercooler pipes a and 7b are arranged (an arrangement structure for intercooler piping is shown in, for example, Japanese Utility Model Application Publication No. 61-60425).

Inventiveness<(,+!:, Problem to be SolvedHowever, in the former intercooler ventilation pipe arrangement (41), the side members provided at the two ends of the cross member 4 at both ends 4a and 4b. Intercooler 6 below 3
Due to the location of the ventilation pipes 7a, 7b, the surface 4A of the closed section of the T-domain 3 cannot be made large.

Further, since both ends 4a and 4b of the cross member 4 are offset upwardly so as to avoid the ventilation pipes 7a and 7b of the intercooler 6, both ends 4a and 4b of the cross member 4 are offset upwardly so as to avoid the ventilation pipes 7a and 7b of the intercooler 6. a,
4. The tie-down hook 9 attached to b is long, and the tie-down hook 9 is weak against the force in the P direction (indicated by the arrow).
It is necessary to provide reinforcement to the cross member 4 or increase the plate thickness of the cross member 4, which may lead to an increase in cost.

On the other hand, the arrangement of the ventilation pipe of the latter intercooler 1. ?
In the construction, a notch 11 is provided in the radiator core oxide 10.
However, in order to prevent deterioration of air conditioner performance and heat resistance performance due to hot air blowing back during idling through the notch 11 as shown in FIG. The arrangement of the windshield material], Oa) is essential, which increases the cost and may reduce the rigidity of the radiator core oxide 10 by ljL.

Therefore, the present invention aims to move the closed cross section of the side member toward -L.
The present invention provides an arrangement structure for an intercooler ventilation pipe for a vehicle, which can be used in a vehicle at a low cost.

Means for Solving the Problem In a vehicle intercooler ventilation pipe arrangement structure in which an intercooler is arranged in front of a cross member disposed in the front part of the vehicle body across the vehicle width direction, the cross member is arranged in the longitudinal direction of the vehicle body. A pipe IJ is inserted and fixed into the opening passing through the pipe, and an intercooler ventilation pipe is inserted into the pipe hole and arranged toward the engine room side.

Action side member 12i-11;J? To strengthen the cross member with pipe material without reducing the area of the curved surface to improve the absorption of water in the front collision area of a vehicle.

EXAMPLE Hereinafter, an example of the present invention will be described with reference to FIG. 4 and the accompanying drawings.

This embodiment is applied to a front-wheel drive vehicle, in which the engine 1 is installed laterally at h15, and the cross member 4! ;'J
The intercooler 6 is placed on the side, and the ventilation T7a and 711 installed on both sides of the intercooler 6 are installed in the engine room.
The point of connection to the intake manifold is similar to that of the prior art shown in FIG.

Here, as shown in FIG. 2, the side member 3 is formed into a closed cross-sectional structure by the side member main body 3a and the closing plate 31], but the lower side of the tip of each side member 3, specifically, A cross member 4 is fitted in a portion extending from the lower edge of the closing plays 1 and 3b to the inner wall 30a of the side member main body 3a.

Here, as shown in FIG. 1, the cross member 4 is formed into a closed cross-sectional structure by a cross member main body 4a and a closing plate 4b, and as shown in FIG. 2, a lower side wall 40a of the cross member main body 4a ),'
stands up obliquely near the side member 3 and is joined to the side member main body 3a.

A tie-down hook 9 is attached to the outer surface of the closing notebook 3b of the side member 3.

And, the upper part of the cross member main body 4a that stands up obliquely near the center of the vehicle body of the Zyde member 3! The front P of the cross member main body 4a is placed on one upper part of the 91 wall/IOb.
i40c and the closing plate 4)], circular openings 11 and 12,13 are formed respectively, and these openings 1
On 2.13, Pipe 14 was fixed by one person.

Specifically, a flange portion 15 is formed at the front end of the vibrator 14, and this flange portion 15 is connected to the cross member main body/I.
The front wall 40c of the front wall 40c is joined to the periphery of the first part 12, and the rear end of the pipe material 14 stands on the edge of the opening 13 of the closing plate 1/4b. is joined to. Note that 17 indicates Seal Io.

A stone air pipe 7b of the intercooler 6 is pumped into the second pipe shed 14, and this air pipe 7b is arranged in the engine room.

Here, a donut-shaped bracket 18 is attached to the peripheral wall of the ventilation pipe 7b at a position opposite to the front wall 40c of the cross member main body 4a. A mounting rubber 19 that comes into contact with the cross member main body 4a is fixed to the periphery of the bracket 18, and the mounting portion of the mounting rubber 19 is fastened with a bolt 21 to an eld nut 20 provided in the cross member chamber body 4a, and the bracket 18, that is, the ventilation pipe 7b is supported by the cross member 4.

On the other hand 2. Th of the closing play 1-4b of the cross member 4 is attached to the peripheral wall of the ventilation pipe 71) of the intercooler 6.
jl 1.1: ] There is a vibration-proof rubber 22 that comes in close contact with one wall of the pipe material 14 at a portion corresponding to the periphery of the portion 13.
I'm getting lost. Note that, like the ventilation pipe 7b mentioned above, the ventilation pipe 7a on the left side of the intercooler 6 is also supported by the cross member 4 with the same configuration as described above.

”- According to the arrangement structure of the embodiment, the cross member main body 4a
and an opening f2 in the closing play 1-4b, respectively.
13 is formed, but since these openings 12 and 13 are sealed by the pipe material 14 and have a closed cross section; the cross member 4 can be secured with the same stiffness as the conventional product 1.

Rokunoko, the ventilation pipe of Finter cooler 6? Since a and 7b do not affect the arrangement of the side member 3, a large cross-sectional area of the side member 3 can be ensured, and the amount of energy absorbed at the time of a vehicle frontal collision can be increased.

As shown in Fig. 2, the load P acting on the tie-down hook 9 can be supported by the lower half of the cross member main body 4a, eliminating the need for reinforcement with reinforcement or the like. The cross member 4 can be made lighter and its cost can be reduced.

Furthermore, the ventilation pipe of intercooler 6? a and 7b are arranged through the cross member 4, unlike the conventional case in which they are arranged through the radiator core oxide 10. It does not cause deterioration of performance.

Effects of the Invention -1- As explained above, according to the present invention, the ventilation pipe of the intercooler affects the arrangement of the side member, and the area of the closed part of the side member can be secured sufficiently, so that the front surface of the vehicle can be secured. This has the effect of ensuring a large amount of energy absorption during a collision.

In addition, the pipe material is fixed to the opening that passes through the cross member in the front-rear direction of the vehicle, and the intercooler's ventilation pipe is inserted into this pipe material. Therefore, there is an effect that the rigidity of the cross member can be ensured as before.

[Brief explanation of drawings]

Fig. 1.2 shows an embodiment of the present invention, Fig. 1 is a sectional view taken along line 1-1 in Fig. 2, and Fig. 2 is a sectional view taken along line 1-1 in Fig. 4.
A cross-sectional view along the line, Fig. 3 is f-m of Fig. 4 of the prior art.
4 is a plan view of the prior art, FIG. 5 is a side view of the same, and FIG. 6 is a plan view showing air flow in the prior art. 4--Cross member, 6=-Intercooler, 7a
, 7b-vent pipe, ], 2. 13-...opening, 14
cross member. December 6, 1990

Claims (1)

[Claims] (1) In the arrangement structure of a vehicle intercooler ventilation pipe in which an intercooler is arranged in front of a cross member arranged in the vehicle width direction at the front of the vehicle body, the opening that passes through the cross member in the vehicle body longitudinal direction 1. An intercooler ventilation pipe arrangement structure for a vehicle, characterized in that a pipe material is inserted and fixed, and the intercooler ventilation pipe is inserted into the pipe material and arranged in an engine room.