JP2000006732A - Attaching structure for cowl top - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an attaching structure for a cowl top, wherein it is easily attached without using any clips, screws or the like, no rain leakage occurs and appearance is good. SOLUTION: The attaching structure of a cowl top 1 is provided with a plurality of parts 6 Y-shaped in section in the end of a window shield 12, a plurality of hook parts 2 U-shaped in section in the end of an engine side, and at least one projecting part 4 in each of both sides. When the plurality of parts 6 Y-shaped in section are pressed into contact with a front window 10 and the window shield 12 by sealing members and the jog part 18 of the upper end of a dash board panel 16 by the plurality of hook parts 2, the cowl top 1 is positioned in the dash board panel 16, the front window 10 and the window shield 12. Then, by inserting the projecting part 4 into the attaching hole part 24a of a dash board side member 24, the cowl top 1 is firmly fixed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cowl top provided between a windshield and a front hood of an automobile, and more particularly to a cowl top mounting structure which can be easily mounted without using clips or screws. About.

[0002]

2. Description of the Related Art As shown in FIG. 12, a cowl is provided between a front window 10 and a front hood 3 of an automobile to prevent rainwater or the like from flowing into an engine room. Top 1 is attached. As shown in FIG. 13 (a), the cowl top 1 is usually an integrally molded product of plastic, and a plurality of mounting holes 1 are provided.
a and 1b. When installing cowl top 1,
As shown in FIG. 13 (b), first, similar mounting holes provided in the dashboard panel 16 and the windshield 12 are provided.
Clip that aligns with 16a and 12a and penetrates both holes
Insert 13 and screws and fix. The cowl top 1 is also provided with a sealing member 22 on the front surface thereof in order to ensure the sealing performance with the front hood 3.

The mounting holes 1a, 1b of the cowl top 1
The clip 13 to be inserted into the cowl top 1 is plastic and has a shape in which the head also functions as a sealing material.
However, the gap between the mounting holes 1a and 1b and the clip 13 is not completely sealed, and the inflow of rainwater or the like cannot be completely prevented. In addition, in the mounting operation of the cowl top 1, the mounting holes 1a of the cowl top 1 are provided.
There is a problem in that it takes time and effort to position the mounting holes 16a and the like of the dashboard 16 and the like so as to align with each other, and the clipping work also takes time.

Various proposals have been made regarding the cowl top mounting structure. For example, utility model registration No. 2,501,81
No. 3 is a vehicle front structure where the overlap between the front hood panel and the cowl top panel is narrow, and the cowl top garnish is attached to the upper surface of the cowl top panel via a fastener, and the cowl top garnish is attached to the front. Attach the front hood seal material that contacts the inner surface of the rear end of the hood panel, provide a vehicle width direction drain rib at the tip of the cowl top garnish, and seal the drain rib substantially parallel to the drain rib behind the drain rib. A mounting rib is provided, a part of the sealing material mounting rib is cut out, and a cowl top and a garnish are fastened to the upper surface of the cowl top panel using a fastener from the cutout portion. Attach the sealing material that comes into contact with the Avoiding the position of the goods discloses notches and the provided structure as a discharge port for discharging rainwater or the like. According to this mounting structure, rainwater and the like are prevented from flowing into the engine room, but since members such as the cowl top and garnish are used in combination with the cowl top, the number of parts and the number of assembly steps increase. There is a problem.

Accordingly, an object of the present invention is to provide a cowl top that can be easily attached to a dashboard panel and a windshield without using attachment members such as clips and screws, and that there is no fear of rain leakage and the appearance is good. It is an object of the present invention to provide a cowl top mounting structure.

[0006]

As a result of intensive studies in view of the above-mentioned object, the present inventor has found that a plurality of hook portions having a U-shaped cross section are provided at the engine-side end without providing any mounting hole in the cowl top. In addition to the above, if a structure in which a plurality of Y-shaped cross sections are provided at the end on the windshield side and convex portions are provided on both sides, the front window and the windshield are engaged with the Y-shaped cross section in a sealed state. By engaging a plurality of hooks with the end of the dashboard panel and inserting the projection into the hole of the dashboard side member, the cowl top can be easily fixed without fear of intrusion of rainwater etc. And found the present invention.

That is, the cowl top mounting structure of the present invention has a plurality of Y-shaped cross sections at the windshield side end, a plurality of hooks having a U-shaped cross section at the engine side end, and both side sections. Has at least one projection.

[0008]

The end of the dashboard panel is sandwiched by a plurality of hooks having a U-shaped cross section provided at the engine-side end of the cowl top, and the Y-shaped cross-section at the windshield-side end is front-mounted via a sealing member. When crimped onto the window and windshield, the cowl top is accurately positioned by the dashboard panel, front window and windshield. Therefore, the cowl top can be firmly fixed by inserting the convex portions on both sides of the cowl top into the mounting holes of the dashboard side member. Since there is no mounting hole in the cowl top, there is no danger of rainwater or the like entering from the mounting portion.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIGS. 1 to 4, a cowl top 1 according to the present invention has a plurality of hooks 2 having a U-shaped cross section at an end on the engine side, and each has a hook at both sides. It has one or more convex portions 4.

As shown in FIGS. 2 and 3, each hook portion 2 having a U-shaped cross section has a shape such that a rectangular protrusion having a slight width and length is bent inward into a substantially U-shape. The width W is about 15 to 25 mm, the length L is about 3 to 5 mm, and the gap G at the U-shaped portion is about 3 to 5 mm. The distance D between the adjacent hook portions 2 may be about 150 to 250 mm.

As shown in detail in FIG. 4, the convex portions 4 provided on both side ends protrude from the wall surface of the cowl top 1 and have an enlarged diameter portion 41 having a slightly tapered outer surface at the tip. It has one or more slits 42 extending from the tip to the root.

As shown in FIG. 5, the cowl top 1 of the present invention has the hook portion 2 at the end on the front window 10 side.
Cross section Y with a pitch of 150 to 250 mm and a width of 15 to 25 mm corresponding to
A long end 61 is engaged with the front window 10 and a short end 62 is engaged with the windshield 12. Long end 61 and front window 10
A seal member 8 is disposed between the two members to ensure the hermeticity of both members. Further, a dam rubber 11 is arranged between an inner surface of the front window 10 and an outer surface of the windshield 12. The outer surface of the windshield 12 is covered by an instrument panel 14.

The long end 61 of the Y-shaped section 6 may have a length of about 20 to 30 mm, and the short end 62 may have a length of about 10 to 20 mm. The distance between the long end 61 and the short end 62 is
5 and slightly smaller than receiving the windshield 12, when both members engage the Y-section 6, the long end 61 and short end 62 are slightly enlarged, as indicated by the arrows in FIG. It is pressed in the opening direction. Therefore, the seal member 8 disposed between the long end portion 61 and the front window 10 is pressed,
The gap between the long end 61 and the front window 10 is completely sealed, and the short end 62 and the windshield 12 are firmly engaged.

FIG. 6 shows the engagement state between a plurality of hook portions 2 provided on the engine side and having a U-shaped cross section and the dashboard end.
8 to FIG. As shown in FIGS. 7 and 8, a jog portion 18 is formed at an end of the dashboard panel 16 at a position corresponding to the hook portion 2 of the cowl top 1. A reinforcing plate may be welded to the protruding surface of the jog portion 18. The distance between the bottom surface of the dashboard panel 16 and the outer surface of the jog portion 18 (the surface thereof when a plate material is welded) is substantially equal to the gap G of the hook portion 2.

As shown in FIG. 5, each hook portion 2 having a U-shaped cross section sandwiches a jog portion 18 at the end of the dashboard panel 16. It is preferable that the cowl top 1 and the dashboard panel 16 be completely sealed by providing a sealing material 20 around the jog portion 18 of the dashboard panel 16 between the hooks 2.

A sealing member is provided on the front surface of the cowl top 1.
The head 22 of the seal member 22 is made of hollow rubber, and is tightly attached to the inner wall of the front hood 3 to prevent rainwater or the like from flowing into the engine room. Seal member 22
It is preferable to provide a mandrel to maintain the shape.

FIG. 9 shows the Y-shaped section 6 of the second embodiment and the front window 10 engaged therewith in detail. In this embodiment, an L-shaped engaging portion 10a is provided at a lower end portion of the front window 10, and a long end portion of the Y-shaped section 6 is provided.
The tip of 61 is engaged with the L-shaped engaging portion 10a of the front window 10. By providing the sealing material 8 between the L-shaped engaging portion 10a of the front window 10 and the long end portion 61 of the Y-shaped section 6, good sealing of the front window 10 and the cowl top 1 is maintained. Can be.

FIG. 10 shows a state in which at least one projection 4 provided on both sides of the cowl top 1 is inserted into the hole 24 a of the dashboard side member 24. The projection 4 has a tapered enlarged portion 41 at the tip and one or two or more slits 42 at the tip, so that it does not fall off when it passes through the hole 24a at one end.

FIG. 11 shows another shape of the convex portion 4. In the example of (a), the convex portion 4 is tapered toward the front end, and does not have the enlarged diameter portion. The use of the projection 4 facilitates the insertion of the dashboard side member 24 into the hole 24a. The outer diameter of the convex part 4 is set to the hole part 24a of the dashboard side member 24.
By making the inner diameter equal to or slightly larger than the inner diameter of the projection 4 and press-fitting the projection 4 into the hole 24a, both can be firmly fixed.

FIG. 11B shows still another example of the projection 4. In this example, the tip of the projection 4 has a chamfered shape. Also in this case, by making the outer diameter of the projection 4 equal to or slightly larger than the inner diameter of the hole 24a of the dashboard side member 24, both can be firmly fixed.

The cowl top 1 of the present invention is preferably an integrally molded product of a plastic such as polypropylene. By using plastic, the cowl top 1 can be manufactured by injection molding, compression molding, or the like. However, when it is difficult to integrally form the hook portion 2 and the convex portion 4 in one molding process, a slight post-processing may be performed. For example, in the case of the hook portion 2, a flat rectangular protrusion may be integrally formed, and then the rectangular protrusion may be deformed into a hook shape in a heated state. When the shape of the convex portion 4 is as shown in FIG. 11, molding can be performed in one molding step.

When assembling the cowl top 1 of the present invention, first, the Y-shaped cross section 6 is connected to each of the front windows 10.
Then, the plurality of hooks 2 are sandwiched between the jog portions 18 of the dashboard panel 16. In this state, insert each projection 4 into the mounting hole 24a of the dashboard side member 24, and
Is fixed. Thus, the cowl top 1 can be easily assembled without using clips, screws, and the like.

[0023]

As described in detail above, the cowl top mounting structure of the present invention has a plurality of Y-shaped cross sections at the windshield end and a plurality of U-shaped cross sections at the engine end. Since it has a hook-shaped portion and has convex portions on both sides, the Y-shaped section is engaged with the lower end of the front window in a sealed state via a sealing material, and the upper end of the dashboard panel is hooked up. By sandwiching and inserting the convex portion into the mounting hole of the dashboard side panel, it can be easily fitted into the automobile. Since the cowl top of the present invention does not require clips or screws for attachment, it is possible to completely prevent infiltration of rainwater and the like, and the appearance is good. Further, since the mounting operation can be completed only by fitting the hook portion, the Y-shaped cross section, and the convex portion into the corresponding portions, the mounting operation efficiency is significantly improved.

[Brief description of the drawings]

FIG. 1 is a rear view schematically showing an overall shape of a cowl top according to an embodiment of the present invention.

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

FIG. 3 is a sectional view taken along the line BB of FIG. 1;

FIGS. 4A and 4B show details of protrusions provided on both sides of the cowl top, wherein FIG. 4A is a cross-sectional view taken along the line CC of FIG. 1 and FIG. FIG. 4 is an enlarged plan view of the tip of the projected portion as viewed.

FIG. 5 is a partial sectional view showing a state in which the cowl top of the present invention is attached to a dashboard panel, a front window, and a windshield.

FIG. 6 is a partial cross-sectional view showing in detail a state in which a hook portion having a U-shaped cross section of the cowl top of the present invention is attached to a jog portion at an upper end of a dashboard panel.

FIG. 7 is a sectional view taken along line DD of FIG. 6;

FIG. 8 is a view of the hook portion of FIG.

FIG. 9 is a partial cross-sectional view showing the engagement state between the Y-shaped section of the cowl top and the lower end of the windshield in detail.

FIG. 10 is a partial cross-sectional view showing a state in which convex portions provided on both side portions of the cowl top are inserted into mounting holes of the dashboard side member.

FIG. 11 is a cross-sectional view showing another example of the convex portion of the cowl top of the present invention, in which (a) shows a convex portion having an acute-angled tip portion, and (b) shows a convex portion having a chamfered tip. Show.

FIG. 12 is a partial plan view showing a state in which a cowl top is attached to an automobile.

FIG. 13 is a partial cross-sectional view showing a conventional cowl top attached to a dashboard.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Cowling top 2 ... Hook part in cross section 3 ... Front hood 4 ... Convex part 6 ... Y-shaped part in cross section 8 ... Seal member 10 ... Front window 12・ ・ Wind shield 14 ・ ・ ・ Instrument panel 16 ・ ・ ・ Dashboard panel 18 ・ ・ ・ Jog part 20 ・ ・ ・ Seal material 22 ・ ・ ・ Seal member 24 ・ ・ ・ Dashboard side member 61 ・ ・ ・ Long end Part 62 ・ ・ ・ Short end

Claims (1)

[Claims] 1. A plurality of cross-sections Y at the windshield-side end.
A cowl top mounting structure having a U-shaped portion, a plurality of hook portions having a U-shaped cross section at an engine side end, and at least one convex portion on each side.