JPH06270663A - Engine compartment rear structure for vehicle body - Google Patents

Abstract

PURPOSE:To provide an engine compartment rear structure for a vehicle body, which can ensure a space for arranging therein accessories within the rear part of the engine compartment while ensuring all functions belonging to an air box. CONSTITUTION:A cowl top rear panel 5 located in on the engine compartment 2 side is connected at its rear end to the upper end of a dash board panel V 4, and at its front end to a cowl top panel 5. An upper dash board panel 10 is connected to the lower surface side of the cowl top panel 6 only at a substantially center part of the latter in which an air box 18 is formed. The air box 18 is communicated with the outside of the vehicle body through an ambient air intake port, and is also communicated with the passenger compartment 3 through a duct 19. The front end part of the cowl top panel 6 is connected thereto with a cowl reinforcement 22 so that a closed sectional shape part is formed, extending widthwise of the vehicle body.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rear structure of an engine room provided on an automobile body.

[0002]

2. Description of the Related Art Conventionally, as a structure of a rear portion of an engine room, a structure shown in FIG.
8877). That is, the vehicle body 41 is provided with a dash panel 44 that forms a rear wall of the engine room 42 and partitions the engine room 42 and the vehicle compartment 43. An air box 45, which extends in the vehicle width direction and has an outside air intake port 50 at the top, is connected to the upper end of the dash panel 44. The rear end of the hood 46 arranged on the upper surface of the engine room 42 is in contact with the front edge of the air box 45. The lower edge of the windshield 47 is supported by the rear end of the air box 45, and the clutch cylinder 4 disposed in the rear of the engine room 42 is provided inside.
The oil injection port 49 of No. 8 projects.

In such a structure, the outside air taken into the air box 45 from the outside air inlet 50 flows through the inside of the air box 45 and is fed into the passenger compartment 43. Further, not only the outside air but also rainwater, water for car washing, etc. intrude from the outside air intake 50, and the invaded water is the air box 45.
It drains to the outside by flowing in the vehicle width direction using the lower surface of the as a drainage channel. That is, the air box 45 has a function of taking in outside air to flow into the vehicle compartment, a function of draining invading water, and a function of ensuring vehicle rigidity in the rear part of the engine room by its box shape. is there.

[0004]

In such a conventional vehicle body structure, the air box 45 is provided in the engine room 4.
In the rear part of 2, the engine room 42 is extended over the entire width. Therefore, when arranging the injection port 49 or supplementary items such as a master bag in the rear portion of the engine room 42, it is forced to project a part of the supplementary items into the air box 45, which makes it difficult to arrange the accessories. Sex will occur. Therefore, the air box 45
By forming a partial structure in the vehicle width direction, a spare space is formed in the rear portion of the engine room 42, and the spare space is used as a layout space for the auxiliary machinery, thereby facilitating layout layout of the auxiliary machinery. It is possible to do it.

However, the air box 45 is required to have the function of taking in outside air to flow it into the vehicle compartment as described above, the function of draining the inflowing water, and the function of ensuring the vehicle body rigidity in the rear portion of the engine room. Is. Therefore, if the air box 45 is merely a partial structure, it is possible to secure a space for arranging accessories, but it is not possible to obtain the above functions (1) to (5). Therefore, in reality, the air box 45 is still provided over the entire width of the engine room 42.
It was expected that a vehicle body structure capable of ensuring the function of the vehicle and securing a space for arranging accessories in the rear portion of the engine room 42 would appear.

The present invention has been made in view of such a conventional situation, and an engine room of a vehicle body in which all the functions of the air box are ensured and a space for arranging accessories is secured in the rear part of the engine room. It is intended to provide a rear structure.

[0007]

In order to solve the above problems, in the present invention, a cowl top panel having an outside air intake is connected to an upper end portion of a dash panel forming a rear wall of an engine room, An upper dash upper panel is coupled to a substantially central portion of the lower surface of the cowl top panel, and an air box communicating with the outside air intake and communicating with a vehicle compartment is provided only in the central portion of the lower surface of the cowl top panel. On both sides of the upper panel, there are provided extending portions having a concave cross-section extending toward the front of the vehicle body. A front end of the extended portion is communicated with the cross-sectional portion, and the cowl reinforcement is horizontally provided between the side walls of the engine room.

[0008]

In the above structure, since the air box is provided only in the substantially central portion of the cowl top panel, the space for arranging accessories is formed on both sides of the air box. Moreover, since the air box communicates with the outside air inlet and the passenger compartment, the outside air flows into the air box through the outside air inlet and then reaches the inside of the passenger compartment, so that the function of passing the outside air into the passenger compartment is ensured. It In addition, rainwater that has entered the air box from the outside air inlet flows into the closed cross section through the extension with a concave cross section, then flows in the vehicle width direction and is appropriately drained. Is also secured. Further, the cowl top panel and the cowl reinforcement form a closed cross section extending in the vehicle width direction, and the closed cross section secures the vehicle body rigidity in the rear part of the engine room.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. That is, as shown in FIG.
The rear wall of the engine room 2 is formed, and the engine room 2
A dash panel 4 for partitioning the vehicle interior and the passenger compartment 3 is provided. A rear end portion of a cowl top rear panel 5 having a front-lowering shape arranged on the engine room 2 side is coupled to an upper end portion of the dash panel 4, and a cowl top panel is attached to a front end portion of the cowl top rear panel 5. The rear ends of 6 are joined. As shown in FIG. 2, the cowl top panel 6 is provided with a convex portion 7 extending in the vehicle width direction on the rear end side thereof. An outside air intake 8 is formed at a substantially central portion of the convex portion 7 in the vehicle width direction, and
Wiper pivots 9, 9 are provided in front of the convex portion 7.

On the lower surface side of the cowl top panel 6,
A dash upper panel 10 arranged only at a substantially central portion of the cowl top panel 6 is joined to the entire width of the cowl top panel 6. At the rear end portion of the dash upper panel 10, a front wall 11 and a rear wall 12 which face each other, a right side wall 13 and a left side wall 14,
And a bottom wall 15 are integrally formed with a concave portion 16, and a communication hole 17 is opened at an end of the rear wall 12.

The concave portion 16 and the convex portion 7 form an air box 18 only in the substantially central portion of the lower surface of the cowl top panel 6. The air box 18
Communicates with the outside of the vehicle body through the outside air intake port 8 and also communicates with the blower 20 of the air conditioner arranged inside the vehicle interior 3 through the communication hole 17 and the duct 19. In addition, the dash upper panel 10 has a pair of extending portions 21 extending from both sides of the concave portion 16 toward the front of the vehicle body.
21 is provided, and the extended portion 21 is formed in a concave shape in cross section.

On the other hand, on the lower surface of the front end portion of the cowl top panel 6, a cowl reinforcement 22 having an inverted hat cross section is connected over the entire length in the vehicle width direction. As a result, at the front end of the cowl top panel 6, a closed cross-section portion 23 is provided in the vehicle width direction that is separated by the cowl top panel 6 and the cowl reinforcement 22. In addition, a concave cutout 2 is provided at the rear edge of the cowling force 22.
4, 24 are formed, and the notches 24, 24 have
The front ends of the extending portions 21 and 21 are fitted together. Further, a wiper reinforcement 29 is coupled to the lower surface of the cowl top panel 6 at a portion corresponding to the wiper pivots 9, 9. The wiper reinforcement 2
Reference numeral 9 denotes a member elongated in the front-rear direction of the vehicle body.

Both ends of the cowling force 22 are fixed to hood ridges (not shown) forming the side wall of the engine room 2 and are laterally bridged between the hood ridges, but the extended portions are provided. The rainwater W and the like flowing into the closed cross-section portion 23 from the 21, 21 are configured to be drainable from the end portion of the cowl force 22.

Further, as shown in FIG. 1, a weather strip 25 is adhered and fixed on the closed cross-section portion 23 and on the front end upper surface of the cowl top panel 6, and the weather strip 25 is The rear end of the hood 26 whose front end is pivotally supported by the vehicle body 1 via a hinge is in close contact. The windshield glass 2 is provided on the upper surface of the joint between the cowl top rear panel 5 and the cowl top panel 6.
The lower end portion of 7 is joined, and a reinforcing pipe 28 is laid horizontally on the lower surface side of the cowl top rear panel 5.

In the present embodiment having the above-described structure, the air box 18 is provided only in the substantially central portion of the cowl top panel 6, so that both sides of the air box 18 on the lower surface side of the cowl top panel 6 are provided. A marginal space is formed in. Therefore, at the rear of the engine room 2,
When arranging supplementary items such as a master bag, by effectively utilizing this extra space, it is possible to use the extra space without adopting a difficult layout such as projecting the auxiliary items into the air box 18. The layout layout can be easily set.

On the other hand, the air box 18 includes the outside air intake port 8
Since it communicates with the outside of the vehicle body 1 via the outside, the outside air flows into the air box 18 from the outside air intake port 8. The outside air that has flowed into the air box 18 is fed into the vehicle interior 3 through the communication hole 17, the duct 19, and the blower 20. Therefore, the air box 18 is attached to the cowl top panel 6
Even if the structure is provided only in the substantially central portion, the function of taking in outside air and allowing it to flow into the vehicle interior is secured.

Further, from the outside air intake 8 to the air box 18
The rainwater W or the like that has entered the inside flows through the extension portion 21 from above the bottom wall 15 of the concave portion 16 into the closed cross-section portion 23, flows along the cowl force 22 in the vehicle width direction, and is drained. .
Therefore, the drainage function of the inflowing water is also secured.

Further, a closed cross section 23 extending in the vehicle width direction is formed by the cowl top panel and the cowl reinforcement, and the closed cross section 23 causes the engine room 2 to be closed.
The vehicle body rigidity in the rear part is secured. Therefore, it is possible to secure a space for arranging accessories in the rear part of the engine room 2 while securing basically required functions 1 to 3.

When the hood 26 is closed, the rear end of the hood 26 contacts the weather strip 25 and a downward load is input. However, since the closed cross section 23 is provided in the lower portion of the weather strip 25, the closed cross section 23 can provide a reinforcing effect against the load when closing the hood 26. In addition, in this embodiment, a reinforcing pipe 28 is provided horizontally on the rear portion of the engine room 2, and the reinforcing pipe 28 also enhances the vehicle body rigidity. However, as described above, it is possible to secure the vehicle body rigidity in the rear portion of the engine room 2 by the closed cross-section portion 23.
8 is not always necessary, and is set in a specification vehicle that requires particularly high vehicle body rigidity, such as a vehicle used exclusively for traveling on rough roads such as a rally vehicle.

[0020]

As described above, according to the present invention, since the air box is provided only in the substantially central portion of the lower surface of the cowl top panel, the lower surface side of the cowl top panel and both side portions of the air box are provided. An extra space can be formed. Therefore, when arranging the auxiliary components in the rear part of the engine room, the layout layout of the auxiliary components can be easily set by effectively utilizing this spare space.

Further, since the air box communicates with the outside air intake port and the passenger compartment, even if the air box is provided only in the substantially central portion of the cowl top panel, the outside air is taken into the passenger compartment. It is possible to secure the function of flowing the current. In addition, rainwater or the like that has entered the air box through the outside air intake can be drained through the extended portion and the closed cross-section portion, and the drainage function of the water that has flowed into the air box can be secured. Further, since the closed cross-section portion extending in the vehicle width direction is formed by the cowl top panel and the cowl reinforcement, the vehicle body rigidity in the rear portion of the engine room can be secured. Therefore, it is possible to realize a vehicle body structure that basically secures necessary functions and secures a space for arranging accessories in the rear portion of the engine room.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of a vehicle body showing an embodiment of the present invention.

FIG. 2 is an exploded perspective view of the same embodiment.

FIG. 3 is a vertical sectional view of a vehicle body showing a conventional structure.

[Explanation of symbols]

 1 Car Body 2 Engine Room 3 Vehicle Room 4 Dash Panel 6 Cowl Top Panel 8 Outside Air Intake 10 Dash Upper Panel 17 Communication Hole 18 Air Box 21 Extension 22 Cowl Reinforce 23 Closed Section

Claims (1)

[Claims] 1. A cowl top panel having an outside air intake is coupled to an upper end portion of a dash panel forming a rear wall of an engine room, and a dash upper panel is coupled to a substantially lower center portion of the cowl top panel. An air box that communicates with the outside air inlet and communicates with a vehicle compartment is provided only in the substantially central portion of the lower surface of the cowl top panel, and extension portions having a concave cross section that extend forward of the vehicle body are provided on both sides of the dash upper panel. On the other hand, a cowl reinforcement which is joined to the front end of the cowl top panel and forms a closed cross section in the vehicle width direction is provided, and the front end of the extended portion is communicated with the closed cross section, and the cowl reinforcement is formed. The engine room rear structure of the vehicle body, characterized in that the vehicle is laterally extended between the side walls of the engine room.