JPH0699853A - Cowl structure for automobile - Google Patents

Abstract

PURPOSE:To improve engine mounting work performance, the assemblage of a viper device and the field of view by providing the link mechanism part and motor part of a wiper device respectively with waterproof covers, providing a cowl part with a cowl garnish, and disposing them as removable fittings above an engine sub-assembly. CONSTITUTION:The link mechanism part 12 and motor part 13 of a wiper device 11 are disposed at the upper part in an engine room 3 in front of a cowl part 4, and the link mechanism part 12 is provided with a waterproof cover 27. A cowl garnish 32 is fitted to the protruding piece 29 of the waterproof cover 27. A waterproof cover 46 is further provided around the motor part 13. All of them are then disposed as removable fittings in the upper position of an engine sub-assembly 52 in the engine room 3. These fittings are thereby fitted/removed easily even after mounting the engine sub-assembly 52, and the lower end part 2a of a windshield 2 can be disposed further downward of a body.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle cowl structure having a closed cross section in front of a passenger compartment.

[0002]

2. Description of the Related Art Conventionally, in a cowl structure of an automobile in which a lower end of a windshield is extremely projected into an engine compartment, a cowl portion forms a closed cross section in front of the passenger compartment, and an upper portion of the cowl portion is The lower end of the windshield is attached. Further, a link mechanism section of the wiper device and a motor section for driving the link mechanism section are arranged in the closed cross section of the cowl section.

[0003]

However, in the above-described conventional cowl structure for an automobile, since the link mechanism section and the motor section of the wiper device are provided within the closed cross section of the cowl section, the cross section of the cowl section is not provided. Has a problem that the workability when the engine is mounted is deteriorated due to the closed cross section of the cowl portion and it is difficult to improve serviceability at a dealer or the like. For this reason, considering the engine serviceability, etc., the closed cross section of the cowl portion is arranged so as to be shifted upward in the vehicle body,
Although it is necessary to take a large space between the engine and the engine, such an arrangement structure reduces the degree of freedom in the exterior design of the vehicle and may cause a problem in the forward field of view of the vehicle. In addition to this, maintenance and inspection work of the link mechanism section and motor section of the wiper device arranged in the closed cross section of the cowl part is troublesome, and vibration and noise of the motor section of the wiper device are directly generated from the closed section. There was a drawback that it was transmitted to the passenger compartment. .

The present invention has been made in view of the above circumstances, and an object thereof is to increase the degree of freedom in the exterior design of an automobile, improve the workability of installing an engine and the serviceability, and to improve the front visibility. An object of the present invention is to provide a cowl structure for an automobile, which can be improved and which has an improved assembling property of a wiper device.

[0005]

In order to solve the above-mentioned problems of the prior art, in the present invention, a lower end portion of a windshield is attached to a cowl portion forming a closed cross section in front of a passenger compartment, and the cowl is provided. In a cowl structure for an automobile, in which a wiper device is disposed in an upper part of an engine room located in front of a vehicle part, a waterproof cover for covering the link mechanism part and the motor part of the wiper device is provided, and the waterproof structure is provided. A cowl garnish having a front end portion attached to the cover and a rear end portion attached to the cowl portion is provided, and the link mechanism portion of the wiper device, the motor portion, the waterproof cover and the cowl garnish are configured as detachable outfitting parts. In addition, the outfittings are arranged above the engine assembly parts in the engine room.

[0006]

In the cowl structure for an automobile according to the present invention, a waterproof cover for covering the link mechanism portion and the motor portion of the wiper device is provided, and front and rear end portions are respectively attached to the waterproof cover and the cowl portion. And a link mechanism section and a motor section of the wiper device,
Since the waterproof cover and the cowl garnish are configured as removable fittings and the fittings vertically overlap the engine assembly parts in the engine room, the fittings such as the wiper device can be installed even after the engine is mounted. It can be installed, and the work of assembling the engine and the wiper device and the service are facilitated. Further, since the lower end portion of the front windshield can be arranged so as to be lowered to the vicinity of the engine assembly component, the degree of freedom in external design can be increased and the forward visibility can be improved.

[0007]

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

1 to 5 show an embodiment of a vehicle cowl structure according to the present invention. In the figure, reference numeral 1 is an automobile in which a lower end portion 2a of a windshield 2 is extremely extended into an engine room 3. A cowl portion 4 of the automobile 1 includes a top panel 5, an upper panel 6 and a front panel 7. The end portions of are fixed to each other to form a closed cross section in the front of the vehicle compartment 8. The upper portion of the top panel 5 located on the front side of the vehicle body is bent in a stepwise manner at an inclination angle corresponding to the front window glass 2, and the lower end portion 2a of the front window glass 2 is on the upper surface of the top panel 5 on the step surface 5a of the upper portion. It is attached by an adhesive 9 so as to be flush with. Further, the lower portion of the top panel 5 located on the rear side of the vehicle body is bent downward substantially at a right angle, and the lower end thereof is bent at a right angle rearward of the vehicle body to form a flange portion 5b.

The upper panel 6 is formed in a substantially L-shaped cross section, the front end portion 6a is fixed to the upper end flange portion 10a of the dash panel 10 bent at a right angle to the front of the vehicle body, and the rear end portion 6b is the top panel. Lower end flange part 5
It is fixed to b. For this reason, the rear end portion 6b of the upper panel 6 is formed by bending the upper end bent upward at a right angle to the vehicle body further at a right angle toward the rear of the vehicle body. On the other hand, the upper end portion 7a of the front panel 7 is fixed to the upper portion of the top panel 5, and the lower end portion 7b thereof is fixed to the lower end flange portion 6a of the upper panel 6. Therefore, the upper end portion 7a of the front panel 7 is bent at an inclination angle corresponding to the upper portion of the top panel 5, and the lower end portion 7b is bent at a right angle to the front side of the vehicle body. The dash panel 10
Are erected so as to define the engine room 3 and the vehicle interior 8.

As shown in FIGS. 2 and 3, a link mechanism portion 12 and a motor portion 13 which constitute a wiper device 11 are arranged above the cowl portion 4 in the engine room 3 located on the front side of the vehicle body. An instrument panel 14 is provided in the vehicle interior 8 located on the vehicle body rear side of the cowl portion 4. The link mechanism portion 12 has a wiper pivot 16 that pivotally supports the rotating shaft 15, a base end portion 17a fixed to the wiper pivot 16, and a tip end portion 17b of the screw 1.
8 and the nut 19 in the middle portion 7c of the front panel 7
And a mounting member 17 having a substantially U-shaped cross section, which is fastened and fixed to the reinforcing plate 20, respectively, and grease for lubrication is applied thereto. Thus, the tip portion 17b of the mounting member 17, the intermediate portion 7c of the front panel 7 and the reinforcing plate 2
A screw hole 21 through which the screw 18 is inserted and mounting holes 22a and 22b are correspondingly formed at position 0. Further, the intermediate portion 7c of the front panel 7 is formed in a substantially V-shaped cross section that is bent toward the front side of the vehicle body. 2 and 3, the chain line D indicates the basic cross section of the front panel 7.

The rotary shaft 15 is arranged so as to penetrate the wiper pivot 16, and the base end of the wiper arm 23 is fixed to the upper end of the rotary shaft 15. A wiper blade 24 for wiping the surface of the windshield 2 is attached to the tip of the wiper arm 23, and the wiper blade 24 contacts the surface of the windshield 2 by a biasing means (not shown). It is like this. Further, the lower end of the rotary shaft 15 has the wiper pivot 1
6, and one end of a lever 25 is attached to the protruding lower end portion. The other end of the lever 25 is provided with link mounting portions 26a and 26b that pivotally support one end of the wiper link 26 shown in FIG. 5, and the other end of the wiper link 26 is connected to a wiper motor described later. .

Further, the reinforcing plate 20 is provided at a position corresponding to the link mechanism portion 12 as shown in FIG. 2, and the upper end portion 20a has an upper portion of the top panel 5 and the front panel 7.
And a lower end portion 20b is fixed between a lower end flange portion 5b of the top panel 5 and a rear end portion 6b of the upper panel 6. Therefore, the reinforcing plate 20
The upper end portion 20a is formed by bending an upper portion located on the front side of the vehicle body obliquely upward and bending the upper end further forward at a right angle. The lower end portion 20b of the reinforcing plate 20 is formed by bending the lower portion located at the rear of the vehicle body obliquely downward and bending the rear end substantially horizontally. The intermediate portion 20c of the reinforcing plate 20 is bent and formed in a shape corresponding to the intermediate portion 7c of the front panel 7 located in the link mechanism portion 12.

Further, a waterproof cover 27 is provided around the link mechanism 12 to cover it. As shown in FIGS. 2 and 4, the waterproof cover 27 has a planar U-shaped cover main body 28 having a flange portion 28a formed at the upper end thereof, and a front wall 28b of the cover main body 28 located forward of the upper end of the vehicle body. Projecting piece 29 projecting and cover body 28
Mounting piece 30 formed by bending the front end portions of the left and right side surface walls 28c outward at a right angle, and a substantially L-shaped bending piece 31 extending downward from the lower end of the front wall 28c of the cover body 28. And consists of.

The front end 32a of the cowl garnish 32 is attached to the protruding piece 29 of the waterproof cover 27 by a clip 33. Therefore, the protruding piece 2
9 and the front end portion 32a of the cowl garnish 32,
Insertion holes 34a and 34b for inserting the clip 33 are formed. And the front end portion 3 of the cowl garnish 32
A bent portion 32b is formed by bending it upwardly at a right angle to 2a. A weather strip 35 is fitted to the bent portion 32b, and the lower end portion of the front hood 36 is attached to the weather strip 35. It comes to abut.

On the other hand, the rear end portion 3 of the cowl garnish 32
The clip 2c is attached to the upper part of the top panel 5 forming the cowl part 4, the upper end 7a of the front panel 7 and the upper end 20a of the reinforcing plate 20 by a clip 37, and the clip 37 is attached to the wiper pivot 16a. On the other hand, it is attached to both sides in the width direction of the vehicle. Therefore, in the rear end portion 32c of the cowl garnish 32, the upper portion of the top panel 5, the upper end portion 7a of the front panel 7 and the upper end portion 20a of the reinforcing plate 20, insertion holes 38a, 38b, 38c, 38d for inserting the clip 37 are formed. Are drilled respectively. An extension portion 32d extending rearward of the vehicle body is formed on the rear end portion 32c side of the cowl garnish 32. The extension portion 32d is formed on the surface of the windshield 2 to cover the lower end portion 2a of the windshield 2. It is configured to abut. further,
The through hole 3 is provided in the middle portion 32e of the cowl garnish 32.
9 is provided at a position corresponding to the link mechanism portion 12, and the rotary shaft 15 and the wiper pivot 16 are provided through the through hole 39.
Are arranged above the cowl garnish 32.

The waterproof cover 27 is attached to the mounting member 1.
The screw 18 and the nut 19 used for 7 are fixed to the front panel 7 and the reinforcing plate 20 by tightening the attachment pieces 30 on both the left and right sides. The fixing portion of the waterproof cover 27 is attached to the wiper pivot 16. It is arranged so that it is offset to both sides in the vehicle width direction. Therefore, the attachment piece 30 is provided with an insertion hole 40 through which the screw 18 is inserted. A wiper link 26, whose both ends are respectively connected to the link mounting portions 26a and 26b of the lever 25 and the motor portion 13, is provided between the cover body 28 of the waterproof cover 27 and the bending piece 31 along the vehicle width direction. It is designed to be inserted through.

On the other hand, as shown in FIG. 1, the motor section 13 is provided with a space in the vehicle width direction with respect to the installation position of the link mechanism section 12. The motor unit 13 includes a wiper motor 41 that rotationally drives the rotary shaft 15 via a link mechanism and a support member 4 that supports the wiper motor 41.
2 and 2, respectively. Therefore, the support member 42 is formed in an L-shaped cross section by the receiving portion 42a and the upright portion 42b, the wiper motor 41 is fastened and fixed to the receiving portion 42a, and the upright portion 42b is attached to the front of the screw 18 and the nut 19. It is adapted to be fastened and fixed to the intermediate portion 7c of the panel 7 and the reinforcing plate 43. In addition, the upright portion 42 b of the support member 42 and the intermediate portion 7 of the front panel 7
A screw hole 44 through which the screw 18 is inserted and mounting holes 45a and 45b are correspondingly formed in the c and the reinforcing plate 43. The reinforcing plate 43 is used for the link mechanism unit 12
It is formed in a shape corresponding to the reinforcing plate 20 arranged in.

Further, a waterproof cover 46 is provided around the motor section 13 to cover it. The waterproof cover 46 is formed in the same shape as the waterproof cover 27 of the link mechanism portion 12, and has a planar U-shaped cover body 47 having a flange portion 47a formed at the upper end, and the cover body 4
7, a projecting piece 48 projecting forward of the vehicle body from the upper end of the front wall 47b, a mounting piece 49 formed by bending the tip ends of the left and right side walls 47c of the cover body 47 outward at a right angle, and the cover body. The front wall 47c of the front wall 47c includes a substantially L-shaped bent piece 50 extending downward from the lower end of the front wall 47c. Then, the protruding piece 48 and the cowl garnish 32
The insertion hole 5 into which the clip 33 is inserted is attached to the front end portion 32a of the
1a and 51b are drilled. Other configurations are similar to those of the link mechanism unit 12.

That is, the link mechanism portion 12, the motor portion 13, the waterproof covers 27 and 46, and the cowl garnish 32 of the wiper device 11 are constructed as detachable outfittings, and these outfittings are provided in the engine room 3. It is arranged above the engine assembly 52. Therefore, the outfitting component and the engine assembly component 52 are arranged so as to overlap each other in the front-rear direction of the vehicle body.

Such a fitting is used for the cowl portion 4 of the automobile 1.
First, the tip portion 17b of the mounting member 17 is attached to the front panel 7 and the intermediate portions 7c and 20c of the reinforcing plate 20.
And screw holes 21 and mounting holes 22a, 2
The wiper pivot 16 and the like of the link mechanism unit 12 is fixed by tightening the screw 18 and the nut 19 via 2b. Further, the upright portion 42b of the support member 42 is overlapped with the front panel 7 and the intermediate portions 7c and 43c of the reinforcing plate 43, and the screw hole 44 and the mounting holes 45a and 45b are attached.
By tightening the screw 18 and the nut 19 via the, the wiper motor 41 and the like of the motor unit 13 are fixed.

Next, the attachment piece 3 of the waterproof covers 27 and 46.
The waterproof covers 27 and 46 are fixed by superimposing 0 and 49 on the corresponding front panel 7 and the reinforcing plates 20 and 43 and tightening the screw 18 and the nut 19 through the insertion holes 40 and the like. In this state, the front and rear end portions 32a and 32c and the extension portion 32d of the cowl garnish 32 are attached to the protruding pieces 29 and 4 of the waterproof covers 27 and 46.
8, the upper portion of the top panel 5 and the lower end portion 2a of the windshield 2 respectively, and the rotary shaft 1
5 through the through hole 39 and the cowl garnish 3
Place above 2. Then, the cowl garnish 32 and the waterproof covers 27, 4 corresponding to the clips 33, 37 are attached.
6, insertion holes 34a, 34b, 51 for the top panel 5 and the like
When the cowl garnish 32 is inserted into the a and 51b, the cowl garnish 32 is attached to the waterproof covers 27 and 46 and the cowl portion 4, and the assembling work of the outfitting components is completed.

According to the cowl structure of this embodiment, even after the engine assembly part 52 is mounted, the link mechanism part 12 and the motor part 13 of the wiper device 11, which is a fitting, the waterproof covers 27, 4 are attached.
6 and the cowl garnish 32 can be attached to the cowl portion 4 or removed from the cowl portion 4, the workability of assembling the engine assembly part 52 and the serviceability are improved, and
The work of assembling the wiper device 11 becomes easy. Moreover, since the fittings are located above the engine assembly 52 and overlap each other, the lower end portion 2a of the front window glass 2 can be arranged further below the vehicle body as compared with the conventional case. In addition, the link mechanism unit 12 of the wiper device 11
Since the motor portion 13 is covered with the waterproof covers 27 and 46 and the cowl garnish 32, rainwater does not enter from the front of the vehicle body or the like, and the function of the wiper device 11 is not impaired.

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, the shapes of the waterproof covers 27 and 46 in the above-described embodiment are not limited to those in this embodiment, and if the link mechanism portion 12 and the motor portion 13 can be reliably covered and the cowl garnish 32 can be attached, You may form in another shape.

[0025]

As described above, according to the cowl structure for an automobile of the present invention, the lower end portion of the windshield is attached to the cowl portion forming a closed cross section in the front of the passenger compartment, and the engine positioned in front of the cowl portion is mounted. A wiper device is provided in the upper part of the room, and a waterproof cover is provided to cover the link mechanism part and the motor part of the wiper device, and a front end is attached to the waterproof cover, and the cowl part is provided. A cowl garnish having rear end portions attached thereto is provided, and the link mechanism portion, the motor portion, the waterproof cover and the cowl garnish of the wiper device are configured as detachable outfitting equipment, and the outfitting equipment is provided in the engine room. Since it is located above the assembly parts, it is possible to install or remove the above-mentioned fittings after the engine is mounted. Possible and will, mounting operation of the engine and improve serviceability, with a wiper apparatus can be easily assembled, it is possible to suppress the vibration and noise from the motor unit or the like of the wiper apparatus is transmitted to the vehicle interior. Further, in the cowl structure of the present invention, since the lower end portion of the windshield can be lowered to the vicinity of the engine assembly parts, the degree of freedom in external design is greater than in the conventional case, which is advantageous in vehicle body design. The field of view in front of the vehicle can be greatly improved. Further, since the link mechanism section and the motor section of the wiper device are covered with the waterproof cover and the cowl garnish, the function of the wiper device is not impaired by rainwater or the like, which results in durability of the wiper device. It is possible to improve.

[Brief description of drawings]

FIG. 1 is a perspective view showing an automobile to which a cowl structure according to an embodiment of the present invention is applied.

FIG. 2 is a sectional view taken along line AA in FIG.

FIG. 3 is a sectional view taken along line BB in FIG.

FIG. 4 is a perspective view showing a waterproof cover.

FIG. 5 is a perspective view showing a state where the waterproof cover is attached to a cowl portion.

[Explanation of reference numerals] 1 automobile 2 front windshield 3 engine room 4 cowl section 5 top panel 6 upper panel 7 front panel 8 vehicle interior 9 adhesive 10 dash panel 11 wiper device 12 link mechanism section 13 motor section 15 rotating shaft 16 wiper pivot 17 mounting member 18 screw 19 nut 20,43 reinforcing plate 21,44 screw hole 22a, 22b, 45a, 45b mounting hole 25 lever 26 wiper link 26a, 26b link mounting portion 27,46 waterproof cover 28,47 cover body 29,48 Projecting piece 30, 49 Mounting piece 31, 50 Bending piece 32 Cowl garnish 33, 37 Clip 34a, 34b Insertion hole 38a, 38b, 38c, 38d Insertion hole 39 Through hole 40 Insertion hole 41 Wiper motor 42 Supporting member 51a, 1b insertion hole 52 engine assembly

Claims (1)

[Claims] 1. A lower end portion of a windshield is attached to a cowl portion forming a closed cross section in front of a passenger compartment,
In a cowl structure for an automobile in which a wiper device is disposed in an upper part in an engine room located in front of the cowl portion, a link mechanism portion and a motor portion of the wiper device are provided with respective waterproof covers for covering them. A cowl garnish having a front end portion attached to the waterproof cover and a rear end portion attached to the cowl portion is provided as an outfitting component capable of removing the link mechanism portion and the motor portion of the wiper device, the waterproof cover and the cowl garnish. A cowl structure for an automobile, characterized in that the fitting is arranged above the engine assembly in the engine room.