JPH0630519Y2 - Automotive engine room ventilation structure - Google Patents

Description

Detailed Description of the Invention a. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle engine room ventilation structure.

b. 2. Description of the Related Art FIG. 6 shows a conventional automobile engine room ventilation structure.

This engine room ventilation structure 1 takes in cooling air into an engine room 5 by a fan 4 via a front grill 2 and a radiator 3, and cools the engine 6 by this cooling air to ventilate the inside of the engine room 5. Was there.

c. DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention In the conventional engine room ventilation structure 1, the rear end portion 7a of the engine hood 7 and the cowl top outer panel 8 are provided.
Since the space between and is sealed by the weather strip 9, the heat after cooling the engine 6 has no escape area and stays in the upper rear part 5a in the engine room 5, and is slightly released from the lower part of the engine room 5 to the rear. It is only done.

Therefore, there is a problem that the upper rear end portion 5a of the engine room 5 becomes excessively hot when the vehicle is not running.

In FIG. 6, 10 is a windshield and 11 is a suspension mount.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an engine room ventilation structure for a vehicle that can effectively dissipate heat in the engine room to the outside with a simple configuration.

d. Means for Solving the Problems In order to achieve the above object, according to the present invention, a space surrounded by a front fender inner panel, a front fender outer panel, and a fender liner is provided at a substantially central portion by front and rear chambers by a defining means. And an inlet for introducing cooling air from the outside into the front chamber is provided in front of the front chamber, and an outlet for exhausting air in the front chamber to the engine room is provided behind the front chamber. Further, an inlet for introducing the air in the engine room into the rear chamber is provided in front of the rear chamber, and an outlet for exhausting the air in the rear chamber to the outside is provided at the rear of the rear chamber. Ventilation structure for automobile engine room characterized by e. Embodiment Hereinafter, an embodiment of a vehicle engine room ventilation structure according to the present invention will be described in detail with reference to the accompanying drawings.

1 to 5 show an embodiment of the present invention.

The vehicle engine room ventilation structure 20 of the present embodiment has a partition plate (a space formed by a front center fender inner panel 22, a front fender outer panel 23, and a fender liner 24 of a four-wheeled vehicle 21 at a substantially central portion thereof. 2 chambers 27, 28 by the means of definition) 26, of which the anterior chamber 2
An inlet 30 for introducing cooling air from the outside 29 into the front chamber is provided in front of 7, and an exhaust port 32 for exhausting the air in the front chamber into the engine room 3 is further provided, and the air in the engine room is further provided. An inlet 33 for introducing the air into the rear chamber 28 is provided, and an outlet 34 for discharging the air in the rear chamber to the outside 29 is provided.
Is provided.

Here, the partition plate 26 is formed so as to stand upright on the fender liner 24 below the partition plate 26, and is integrally formed.
A packing 35 is attached to the front chamber 27 and the rear chamber 28 are sealed.

Further, the inlet 30 of the front chamber 27 is formed by the front end portion 22a of the fender inner panel 22 and the front end portion 23a of the fender outer panel 23 in a gap shape therebetween.

The discharge port 32 is formed in the fender inner panel 22 near the partition plate 26 so as to be located behind the front chamber 27.

Further, the introduction port 33 of the rear chamber 28 is formed in the fedine inner panel 22 in the vicinity of the partition plate 26 so as to be located in front of the rear chamber.

The discharge port 34 is formed in a gap between them by a front pillar 36 standing upright behind the fender inner panel 22, a rear end portion 23a of the fender outer panel 23, and a front end portion 37a of the front door 37. Has been done.

Next, the operation of this embodiment will be described.

In the engine room ventilation structure of this embodiment, the cooling air is introduced into the engine room 31 from the outside 29 through the inlet 30, the front chamber 27 and the outlet 32. This introduced air is
It is used to cool an engine (not shown) or is supplied to the intake air of an air cleaner. The hot air used for cooling the engine is discharged to the outside 29 through the introduction port 33, the rear chamber 28 and the discharge port 34 without staying in the engine room 31. At this time, the hot air in the rear compartment 28 is prevented from leaking into the front compartment 22 by the partition plate 26, and the passenger compartment 39 is closed by the door opening trim 38 arranged between the front pillar 36 and the front door 37. It has been blocked from entering.

A plan view of the air flow as described above is indicated by an arrow in FIG.

In the case of this embodiment, as already clear from the above, the air passage formed by the inlet 30, the chamber 27, the outlet 32, the engine room 31, the inlet 33, the chamber 28 and the outlet 34 is natural. The air in the engine room 31 is constantly ventilated because it creates a smooth air flow. Such action and effect are particularly remarkable during traveling.

FIG. 5 shows another embodiment of the vehicle engine room ventilation structure according to the present invention, in which elements having the same functions as those shown in FIG. The description is omitted.

In the engine room ventilation structure 40 of the present embodiment, the partitioning means 41 is formed instead of the partition plate 26 and is formed by bending it into a V shape.
The air in the front chamber 27 is defined by the defining means 41.
The exhaust gas is smoothly discharged into the engine room 31 through the discharge port 32 along the curved shape of the front wall part 41a, and the air in the engine room 31 is discharged through the introduction port 33 into the rear wall part of the defining means 41. It is adapted to be smoothly introduced into the rear chamber 28 along the curved shape of 41b.

Also in this embodiment, the packing 35, 55 is attached to the front end portion 41c and the rear end portion 41d of the defining means 41 so that hot air in the rear chamber 28 is prevented from entering the front chamber 27. ing.

f. As described above, according to the vehicle engine room ventilation structure of the present invention, the space surrounded by the front fender inner panel, the front fender outer panel and the fender liner is used to provide the interior space of the engine room. Since the cooling air is introduced and the air passage for discharging the hot air in the engine room to the outside is formed, it is possible to effectively use the space without changing the appearance, and the inside of the engine room becomes excessive. It can be effectively prevented from becoming hot.

[Brief description of drawings]

1 to 4 show one embodiment of an engine room ventilation structure for an automobile according to the present invention. FIG. 1 is a perspective view showing the automobile, and FIG. 1 is a perspective view, FIG. 3 is a sectional view taken along the line AA in FIG. 1, FIG. 4 is a plan view conceptually showing the flow of air, and FIG. 5 is a sectional view showing another embodiment of the present invention. FIG. 6 is a longitudinal sectional view conceptually showing a conventional engine room ventilation structure for an automobile. 20,40 …… Engine room ventilation structure, 21 …… Car, 22 …… Front fender inner panel, 23 …… Front fender outer panel, 24 …… Fender liner, 25 …… Room, 26,41 …… Definition means, 27 …… front room, 28 …… rear room, 29 …… external, 30,33 …… inlet, 32,34 …… outlet.

Claims (1)

[Scope of utility model registration request] Claim: What is claimed is: 1. A space surrounded by a front fender inner panel, a front fender outer panel and a fender liner is defined at a substantially central portion thereof by front and rear portions by a defining means.
And an inlet for introducing cooling air from the outside into the front chamber is provided in front of the front chamber, and an outlet for exhausting air in the front chamber to the engine room is provided behind the front chamber. Further, an inlet for introducing air in the engine room into the rear chamber is provided in front of the rear chamber, and an outlet for exhausting air in the rear chamber to the outside is provided behind the rear chamber. Automotive engine room ventilation structure characterized by