JPH0592773A - Car body front structure of automobile - Google Patents

Abstract

PURPOSE:To provide a car body front structure of an automobile that can increase the cooling efficiency of an inter-cooler by improving the appearance seen from the car body front part, and by arranging the inter-cooler on the rear part of an engine room cover. CONSTITUTION:The rear part of a front hood 9 is mounted on a car body front part 2 so that the hood can be freely rotated, while the front part of the front hood 9 is locked to a car body, and an engine room cover 19 is provided below the front hood 9. A striker hole 25, in which a hood lock striker 21 passes, is provided on the engine room cover 19. A shade plate 27, for which a front surface part 27a is folded back and is thus curved, is provided upright on the peripheral part of the striker hole 25.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle body front structure.

[0002]

2. Description of the Related Art Conventionally, some automobiles are equipped with a rear hinge type front hood, and this type of front hood is rotatably attached to the front part of the vehicle body around the rear side. Has been. The front part of the front hood is configured to be locked to the vehicle body by the front hood lock mechanism.

[0003]

However, in the above-mentioned conventional vehicle body front structure, when the front hood is closed, the hood lock striker of the front hood lock mechanism, which is the vehicle body color, separates the front bumper and the front hood. There was a problem that the appearance of the front part of the vehicle body was impaired because it could be seen from the gap between the spaces.

On the other hand, in the engine with a turbocharger, an intercooler is arranged between the turbocharger and the intake port of the engine cylinder, and the temperature of the compressed air supercharged by the turbocharger is controlled by this intercooler. It is lowered and sucked into the engine cylinder to improve the charging efficiency (supercharging rate). Therefore, when this intercooler is installed behind the engine room cover, the cooling air that has entered the engine room causes a turbulent flow due to the hood lock striker, so the cooling air is not sufficiently guided to the intercooler, It was difficult to increase the cooling efficiency of the intercooler by using wind.

The present invention has been made in view of the above circumstances, and an object thereof is to improve the appearance from the front of the vehicle body and to dispose the intercooler in the rear of the engine room cover. An object of the present invention is to provide a vehicle body front structure capable of increasing the cooling efficiency of a cooler.

[0006]

In order to solve the above-mentioned problems of the prior art, in the present invention, a rear portion of a front hood is rotatably attached to a front portion of a vehicle body, and a front portion of the front hood is attached to a vehicle body. In a vehicle body front structure that locks against a lock, an engine room cover is provided below the front hood, and a striker hole through which a hood lock striker passes is provided in the engine room cover, and a front surface portion is provided at a peripheral edge of the striker hole. The shield plate is bent and erected to stand upright.

[0007]

[Operation] In the vehicle body front structure according to the present invention, since the shielding plate is erected on the periphery of the striker hole of the engine room cover through which the hood lock striker passes,
When the front hood is closed, the periphery of the hood lock striker is covered with a shielding plate, and the cooling air entering the engine compartment is guided smoothly and reliably to the intercooler behind the engine compartment cover without turbulence. ..

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below based on the illustrated embodiments.

1 to 3 show an embodiment of a vehicle body front structure according to the present invention. In the figure, 1 is a four-wheeled vehicle equipped with a turbocharged engine, 2 is a vehicle body front portion of this vehicle 1, 3 is an engine room provided in the vehicle body front portion 4, and 4 is a pair of left and right mounting piece portions 5. Front bumpers attached to a bumper bracket (not shown) on the front side of the vehicle body front portion 2, 6 and 7 are front upper members and front lower members constituting the vehicle body front portion 2, and 8 is an intercooler.

A front hood 9 for opening and closing the engine room 3 is attached to the upper part of the engine room 3 so as to be rotatable around the rear side. The front part of the front hood 9 is attached to the front of the vehicle body by a front hood lock mechanism 10. It is designed to be locked with respect to the part 2. The front hood 9 is configured by joining the peripheral ends of the hood outer panel 9a and the hood inner panel 9b to each other. Further, a front upper member 6 having a substantially U-shaped cross section with an opening edge facing downward is provided in the upper part of the engine room 3 along the vehicle width direction.

On the other hand, inside the engine room 3, a radiator and an engine (not shown) are arranged in front of and behind the vehicle body, and a front lower member 7 is arranged in front of the radiator along the vehicle width direction. ing. The front lower member 7 is formed in a substantially channel shape with its opening edge arranged laterally, and its left and right both sides are at the front ends (not shown) of a pair of left and right side frames extending along the vehicle body front-rear direction. It is connected. The upper and lower end portions of the front lower member 7 located in the widthwise middle portion are fastened together with the front hood lock mechanism 10 to the upper portion of the front bumper center stay 11 mounted on the front portion 2 of the vehicle body with bolts 12. The height positions of the upper ends of the front lower member 7, the front hood lock mechanism 10, and the front bumper center stay 11 are as follows.
It is set to be almost the same as the upper surface of the front bumper 4.
At the lower end of the front bumper center stay 11,
The lower part of the front bumper 4 is tightened and fixed by a bolt 13.

The intercooler 8 is provided diagonally above the radiator (not shown) at the rear of an engine room cover, which will be described later. The intercooler 8 includes an intercooler body 8a having a cooling function and an aluminum inlet pipe 14a and an outlet pipe 14b connected to an engine intake system pipe (not shown). It is located almost at the center of the direction. Therefore, the intercooler 8 has the mounting bracket 1 provided at the lower end of the intercooler body 8a.
5 is fixed to the upper surface of the front lower member 7 with screws 16 and nuts 17 and the mounting bracket 18 provided at the upper end of the intercooler body 8a is fixed to the upper surface of the front upper member 6 with the screws 16 and the like. Installed.

That is, the intercooler 8 is attached to both members 6 and 7 under the condition that the intercooler body 8a is arranged between the front upper member 6 and the front lower member 7. Intercooler 8
The compressed air supercharged from a turbocharger (not shown) passes through the inlet pipe 14a and the intercooler body 8
It is introduced into a and cooled, and the cooled compressed air is sucked from the intercooler body 8a through the outlet pipe 14b to the intake port of the engine cylinder (not shown).

On the other hand, the front end of an engine room cover 19 extending toward the intercooler 8 (or the front upper member 6) at the rear of the vehicle body is joined to the upper rear end of the front bumper 4, and this engine room cover is joined. 1
The rear end portion 9 is arranged above the front lower member 7. Further, the width of the engine room cover 19 in the left-right direction is a central portion in the width direction of the vehicle body front portion 2 and is formed to have a size substantially corresponding to an air inlet portion described later. It is fastened together with the mounting piece portion 5 of 4. The space between the upper part of the front bumper 4 and the intercooler body 8a is covered with the engine room cover 19, and the engine room cover 19 has a function as a baffle plate for the intercooler 8. ..

At the center of the front portion 2 of the vehicle body in the width direction, between the front bumper 4 and the front hood 9,
A front oblong air inlet portion 20 extending along the vehicle width direction is provided. This air inlet section 20
Is formed by facing the recesses 20a and 20b formed in the front bumper 4 and the front hood 9 to each other, and corresponds to the front position of the intercooler body 8a in order to cool the intercooler 8 with cooling air. It is provided.

Further, a hood lock striker 21 and an open lever 22 of a front hood lock mechanism 10 for locking the front hood 9 in two steps are arranged at a rear position of the vehicle body corresponding to the air inlet portion 20. This locking mechanism 10 is provided on the front lower member 7
Locking mechanism body 23 fixed to the upper part of the front bunker center stay 11 located on the front side of the
And a hood lock striker 21 that engages with the engaging member 23a of the lock mechanism body 23, and the lower end of the open lever 22 is rotatably attached to the casing 23b of the lock mechanism body 23.

That is, the lock mechanism 10 operates the operating lever (not shown) in the vehicle compartment to unlock the lock mechanism main body 23 and the hood lock striker 21 in the first step, and the front of the lock mechanism 10 is biased by a spring (not shown). Rotate the hood 9 slightly upward, then open lever 22
Is operated to perform the second-stage unlocking, and the front hood 9 is configured to be rotatable in the opening direction. Therefore, the upper portion of the open lever 22 is extended to a position corresponding to the air inlet portion 20 so as to face the opening of the air inlet portion 20, and the open lever 22 is provided via the air inlet portion 20.
Can be rotated.

The upper portion of the hood lock striker 21 is attached to the hood inner panel 9b located at the center of the front end portion of the front hood 9 via the base plate 24, and extends downward to engage with the lock mechanism main body 23. It is extended. Therefore, the engine room cover 19 is provided with a striker hole 25 through which the lower portion of the hood lock striker 21 passes, and an insertion hole 26 for inserting and arranging the open lever 22 side by side with the striker hole 25. Has been drilled. Since the hood lock striker 21 is normally attached to the hood inner panel 9b via the base plate 24 and then painted, it has a vehicle body color.

Further, a shield plate 27 extending in a substantially vertical direction is provided upright on the periphery of the opening of the striker hole 25. The front surface 27a of the shielding plate 27 is folded back and curved toward the front of the vehicle body. The overall shape of the shielding plate 27 is substantially U-shaped in plan view and is arranged along the peripheral edge of the striker hole 25. .. The height of the shielding plate 27 is as shown in FIG.
As shown in FIG. 5, the upper end is formed to have a size such that the hood inner panel 9b and the hood inner panel 9b are closed when the front hood 9 is closed, and the front portion 27a has a hood lock striker 21 passing through the striker hole 25. It has a curved shape with a gap that does not hit it.

The shielding plate 27 may be formed integrally with the engine room cover 19 or may be formed separately from the engine room cover 19 and attached.
At this time, like the engine room cover 19, the shielding plate 27 can be freely colored by applying a color selected appropriately.

In such a vehicle body front structure of the automobile 1, when the front hood 9 is closed, the portion of the hood lock striker 21 above the engine room cover 19 and corresponding to the air inlet portion 20 is It is inserted through the shield plate 27 and is covered with the shield plate 27. In addition, the air inlet portion 2 of the vehicle body front portion 2
When the cooling air enters from 0, the cooling air is supplied to the engine room cover 19 and the shielding plate 2 as shown by the arrow in FIG.
7 and is sent directly to the intercooler body 8a at the rear of the vehicle body for introduction. Further, when the front hood 9 is opened, the open lever 22 is rotated counterclockwise from the air inlet portion 20 against the urging force of a spring (not shown) to operate the front hood lock mechanism 10.
Unlock the second stage of.

According to the vehicle body front structure of the present embodiment, the vehicle body color hood lock striker 21 is covered with the shielding plate 27, and is freely colored so that it can be seen from the front of the vehicle body through the air inlet portion 20 and the like. Since the engine room cover 19 and the shielding plate 27 that can be used are invisible, and the body color of the hood lock striker 21 is invisible, the appearance from the front of the vehicle body is not damaged by the presence of the hood lock striker 21. In addition, the front portion 27 of the shield plate 27
Since a is curved toward the front of the vehicle body, the cooling air that has entered the engine room 3 from the air inlet portion 20 is
The airflow is smoothly flown along the outer peripheral surface of the shielding plate 27 and the engine room cover 19 without causing turbulent flow, and is sent to the intercooler body 8a at the rear of the vehicle body, so that the cooling air can be effectively used.

The embodiment of the present invention has been described above.
The present invention is not limited to the embodiments described above, and various modifications and changes can be made based on the technical idea of the present invention.

For example, in the above-described embodiment, the vehicle body front structure of the present invention is applied to the four-wheeled vehicle 1 having the intercooler 8 provided behind the engine room cover 19, but the intercooler 8 is provided. The vehicle body front structure of the present invention may be applied to an automobile having no engine or an intercooler 8 attached to the engine body.

[0025]

As described above, in the vehicle body front structure according to the present invention, the engine room cover is provided below the front hood whose front portion is locked to the vehicle body, and the hood lock striker is attached to the engine room cover. A striker hole that passes through is provided, and at the periphery of the striker hole, a shielding plate with the front part folded back and curved is erected, so when the front hood is closed, the hood lock striker of the vehicle body color is protected by the shielding plate. Since it is covered and disappears from the front of the vehicle body, the appearance of the front portion of the vehicle body can be improved.
Further, in the vehicle body front structure of the present invention, the cooling air that enters the engine room does not become a turbulent flow due to the presence of the shield plate and smoothly flows rearward along the engine room cover and the shield plate. Even when the intercooler is arranged behind the cover, the cooling air can be reliably sent to the intercooler body, and the cooling efficiency of the intercooler can be improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing a four-wheeled vehicle to which a vehicle body front structure according to an embodiment of the present invention is applied.

FIG. 2 is an enlarged perspective view showing a portion A in FIG.

FIG. 3 is a central vertical cross-sectional view showing a front part of a vehicle body of the four-wheeled vehicle.

[Explanation of symbols]

 1 Four-wheeled vehicle 2 Front part of vehicle 3 Engine room 4 Front bumper 9 Front hood 10 Front hood lock mechanism 11 Front bumper center stay 12, 13 Bolt 19 Engine room cover 20 Air inlet part 21 Hood lock striker 22 Open lever 23 Lock mechanism body 24 base plate 25 striker hole 26 insertion hole 27 shield plate

Claims (1)

[Claims] 1. A vehicle body front structure in which a rear portion of a front hood is rotatably attached to a front portion of a vehicle body, and a front portion of the front hood is locked to a vehicle body, and an engine room cover is provided below the front hood. In addition to providing the engine room cover with a striker hole through which the hood lock striker passes, the front of the vehicle body is characterized in that a shielding plate having a curved front surface is provided upright on the periphery of the striker hole. Part structure.