JPH10218029A - Hood seal mounting structure of automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hood seal mounting structure for an automobile wherein assembly workability is excellent, improvement of sealing between a front hood and a cowl louver and suppression of vibration of the front hood according to running can be sufficiently attained. SOLUTION: A device comprises a first mounting part 6a having a cowl louver main unit part 5 provided with a cowl louver 4 along a lower end edge of a front glass 2 and a seal mounting part 6 formed in a front end of the cowl louver main unit 5 to be protruded with the seal mounting part 6 opposed to a seal surface 3a of a front hood 3, and a second mounting part 6b protruded so as to be opposed to a seal surface 8a of a cowl panel 8 to be supported thereby, also comprises a base part 11 mounting a hood seal 10 in the seal mounting part 6 by covering the first/second mounting part 6a, 6b of the seal mounting part 6, and a hood side seal part 12 provided in the base part 11 to come into press contact with the seal surface 3a of the front hood 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hood seal mounting structure, and more particularly to a hood seal provided at a front end of a cowl louver provided along a lower end edge of a windshield to allow a front end of a cowl panel and a rear end of a front hood to be connected. The present invention relates to a hood seal mounting structure for an automobile to be sealed.

[0002]

2. Description of the Related Art For example, a cowl louver extending in a vehicle width direction is provided between a lower end edge of a windshield of an automobile and a front hood to introduce outside air into a vehicle interior.

A cowl louver 21 is provided above a cowl panel 24 of a cowl 23 provided between a vehicle compartment B and an engine room C along a lower end edge of the windshield 22 as shown in a sectional view of a main part of FIG. The cowl panel 24 is provided so as to extend between the lower end edge of the cowl panel 22 and the front end of the cowl panel 24.

At the front end of the cowl louver 21, a hood for preventing unnecessary rainwater and water for washing the vehicle from entering the engine room C and for isolating the inside of the engine room C from the high temperature and the outside. A seal 26 is attached.

[0005] The hood seal 26 is previously attached to the front end of the cowl louver 21 by a clip 27.
a is attached to the cowl louver 21 and is carried into the vehicle body assembly line.
Attached to the front end of The seal portion 26b of the hood seal 26 presses against a seal surface 28a formed on the lower surface of the rear end of the front hood 28 to seal between the front end of the cowl panel 24 and the rear end of the front hood 28.

However, it is troublesome to attach the hood seal 26 to the cowl louver 21 with a plurality of clips 27 in advance, and since the clip 27 is required, the number of parts is large, the production cost is increased, and the cowl louver 21 is connected to the body assembly line. There is a possibility that the hood seal 26 temporarily fixed by the clip 27 may drop off while being carried into the garbage.

As a countermeasure, there is a prior art disclosed in Japanese Patent Application Laid-Open No. 7-223556. This prior art includes:
As shown in FIG. 6, the engaging claw 21 a is integrally formed on the lower surface of the front end of the cowl louver 21, and an engaging hole 24 a for inserting the engaging claw 21 a is provided above the cowl panel 24 of the cowl 23. The insertion hole 26c formed in the base 26a of the hood seal 26 is hooked on the engagement claw 21a, and the hood seal 26 is temporarily attached to the cowl louver 21, and the engagement claw 21a is temporarily attached to the cowl panel 24. The cowl louver 21 is moved rearward to engage the engagement claws 21a with the engagement holes 24a, and a hood seal 26 is provided between the lower surface of the front end of the cowl louver 21 and the cowl panel 24. The hood seal 26 is attached by sandwiching the base 26a of the
A hood seal mounting structure in which the seal portion 26b is pressed against the lower surface of the rear end of the front hood 28 is disclosed.

Another prior art is Japanese Utility Model Laid-Open No. 6-74.
In this prior art, a collar 21b extending in the vehicle width direction is provided at a front end of a cowl louver 21 as shown in a sectional view of a main part in FIG. 7, while a flange 21b is provided on a base 26a of a hood seal 26. The cowl louver 21 is fitted with the collar 21b and the collar 21b of the cowl louver 21 is fitted with the fitting 26d of the hood seal 26 to attach the hood seal 26 to the cowl louver 21. 21b and base portion 2 of hood seal 26
Tapping screw 2 on cowl panel 24 with 6a
8 and so on.

[0009]

SUMMARY OF THE INVENTION The above-mentioned Japanese Patent Application Laid-Open No. 7-223.
According to the prior art disclosed in Japanese Unexamined Patent Publication No. 556, the base of the hood seal is locked to the locking claw formed on the cowl louver to temporarily attach the hood seal to the cowl louver. The hood seal is inserted between the cowl louver and the front end lower surface of the cowl louver and the cowl panel, and the hood seal is attached. .

However, since the engaging hole is formed in the base portion of the hood seal, the processing requires a lot of man-hours, and the strength of the base portion is reduced. Therefore, the hood seal temporarily attached by the locking claw may fall off the cowl louver during the transfer to the vehicle body assembly line, and a small assembly in which the hood seal is attached to the cowl louver in a separate process in advance, a so-called sub-assembly In addition, since the seal portion protruding from the base portion toward the front of the vehicle body only comes into contact with the lower surface of the front hood, the pressing force of the front hood causes the seal portion 26b to be greatly flexed, so that the seal between the hood seal and the front hood is sufficient. No pressing force is obtained,
The sealing effect between the front hood and the cowl panel is not sufficiently achieved, and the front hood cannot be sufficiently supported by the cowl via the hood seal, and the vibration of the front hood during traveling is sufficiently suppressed. There are inconveniences such as being unable to do so.

According to the prior art disclosed in Japanese Utility Model Application Laid-Open No. 6-74572, a flange formed on a base portion of a hood seal is fitted to a flange formed on a cowl louver, so that a hood seal is formed in a separate process in advance. However, it is not easy to install the cowl louver with a tapping screw or the like on the cowl panel with the elastic hood seal base interposed between the cowl louver and the sub-assembly. As in Japanese Unexamined Patent Publication No. Hei 7-223556, a seal portion projecting forward from the base portion to the front of the vehicle body merely contacts the lower surface of the front hood. There are inconveniences such as that the vibration of the hood cannot be sufficiently suppressed.

Accordingly, the present invention has been made in view of such a point, and its object is to provide excellent assembling workability.
It is another object of the present invention to provide a high-quality hood seal mounting structure for an automobile, which can sufficiently achieve the improvement of sealing performance by a hood seal and the suppression of vibration of a front hood during traveling.

[0013]

According to the present invention, there is provided a hood seal mounting structure for an automobile according to the present invention, wherein a front end of a cowl panel is attached to a front end of a cowl louver provided along a lower edge of a windshield. In a vehicle hood seal mounting structure for sealing between the hood and the rear end, the rear end is formed integrally with the cowl louver main body along the front end of the cowl louver main body and the cowl louver main body provided along the lower edge of the windshield. A cowl louver having a seal mounting portion formed thereon, a cowl panel supporting the seal mounting portion from below, a base portion mounted on the seal mounting portion, and a hood side provided on the base portion and pressed against a sealing surface of a front hood. And a hood seal having a seal portion.

Therefore, since the hood-side seal portion that is in pressure contact with the seal surface of the front hood is supported from below by the cowl panel via the seal mounting portion, the pressure contact force between the hood-side seal portion and the front hood can be increased. The sealing performance between the front hood and the cowl panel is improved, and the front hood can be pressed with a large pressing force on the cowl panel via the hood seal. In addition, by making the seal mounting portion of the cowl louver for mounting the hood seal function as the core material of the base portion of the hood seal, the core material of the base portion can be eliminated, the configuration of the hood seal can be simplified, and the manufacturing cost can be reduced, and , The base part is easily elastically deformed, the work of attaching the hood seal becomes easy, and the subassembly is made possible. It becomes easy.

[0015] In addition, according to the present invention, there is provided a hood seal mounting structure for an automobile according to the present invention. In the hood seal mounting structure of an automobile that seals between the cowl panel and the cowl louver main body along the front end of the cowl louver main body and the cowl louver main body, the rear end of which is provided along the lower edge of the windshield. A cowl louver having a seal attachment portion formed and having a first attachment portion projecting opposite to a sealing surface of the front hood and a second attachment portion projecting opposite to the sealing surface of the cowl panel and supported by the cowl panel. And covering the first mounting portion and the second mounting portion of the seal mounting portion with the seal mounting portion. Ri is provided in the base portion and the base portion attached and having a hood seal having a hood sealing section which presses the sealing surface of the front hood.

Therefore, the hood seal is securely mounted by the first mounting portion and the second mounting portion of the seal mounting portion,
Since the hood-side seal portion that is in pressure contact with the seal surface of the front hood is supported by the cowl panel via the first mounting portion and the second mounting portion, the pressure-contact force between the hood-side seal portion and the front hood can be increased. The seal between the hood and the cowl panel can be ensured, and the front hood can be pressed with a large pressing force on the cowl panel via the hood seal and seal mounting part, suppressing vibration of the front hood during traveling it can.

[0017]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of a vehicle hood seal mounting structure according to the present invention.

FIG. 1 shows an automobile 1 according to the present embodiment.
A cowl louver 4 is provided between the lower end edge of the windshield 2 and the rear end of the front hood 3 so as to introduce outside air into the vehicle interior and extends in the vehicle width direction.

The cowl louver 4 is made of a synthetic resin. As shown in FIG.
The upper surface of the lower edge of the windshield 2 and the cowl panel 8 are located above the cowl panel 8 that constitutes the upper part of the cowl 7 provided between the vehicle compartment B and the engine room C along the lower edge of the vehicle.
It is provided so as to be bridged between the front end of the camera.

The cowl louver 4 has a rear end abutting from above on a lower end edge of the windshield 2 via a molding 5a, and a cowl louver main body 5 in which a recess 5b for accommodating the wiper 9 and an outside air introduction hole 5c are formed. A seal mounting portion 6 is formed integrally with the cowl louver main body 5, extends in the vehicle width direction along the front end of the cowl louver main body 5, and holds a hood seal 10.

The seal mounting portion 6 is provided on the cowl louver main body 5.
A first mounting portion 6a protruding upward from a front end of the front hood 3 so as to face a sealing surface 3a formed on a lower surface of a rear end of the front hood 3.
And a second mounting portion 6b protruding downward from the front end of the cowl louver main body 5 so as to face a sealing surface 8a formed on the upper surface of the front end of the cowl panel 8, and the first mounting portion 6a and the second mounting portion 6b.
The mounting portion 6b is formed on the same vertical line from the sealing surface 3a of the front hood 3, and further projects from the top end of the first mounting portion 6a to the rear of the vehicle body and from the top end of the first mounting portion 6a to the vehicle body. A second locking portion 6d protruding forward is provided, and the upper surface is formed to have a substantially T-shaped cross section in a flat shape facing the sealing surface 3a of the front hood 3.

On the other hand, the hood seal 10 includes a base portion 11 and a hood side seal portion 12 and a cowl panel side seal portion 13 provided on the base portion 11.

The base portion 11 has a first engagement portion 11a which is engaged with the tip of the first engagement portion 6c of the seal mounting portion 6 and a second engagement portion 11a.
A second engaging portion 11b which is locked to a tip of the mounting portion 6b;
One end is connected to the first engaging portion 11a, extends toward the engine room C along the upper surface of the first locking portion 6c and the second locking portion 6d, and engages with the tip of the second locking portion 6d. Cover its lower surface,
Further, the first engaging portion 6a and the second attaching portion 6b hang down along the side surface on the engine room C side which is the front surface of the second attaching portion 1a.
1b, the base 11 covers the first and second mounting portions 6a and 6b of the seal mounting portion 6 on the engine room C side and the first locking portion 6c and the second locking portion 6d. I have.

On the upper surface 11e of the base portion 11, a hood-side seal portion 12 which presses against the seal surface 3a of the front hood 3 is provided.
And a cowl panel-side sealing portion 1 that presses against the sealing surface 8a of the cowling panel 8 at the lower end of the base portion 11.
3 is provided, and the hood-side sealing portion 12 is arranged on the same perpendicular line from the sealing surface 3a of the front panel 3 together with the first mounting portion 6a and the second mounting portion 6b.

Prior to mounting the cowl louver 4 on the vehicle body, a hood seal 10 is mounted on the seal mounting portion 6 of the cowl louver 4 in a sub-assembly step to prepare.

To attach the hood seal 10 to the cowl louver 4, a first engaging portion 11a formed at one end of the base portion 11 is provided at the tip of the first locking portion 6c of the seal attaching portion 6 formed on the cowl louver 4. The upper surface of the first locking portion 6c, the second locking portion 6d and the first mounting portion 6a, the second mounting portion 6 are locked.
b, and extends so as to cover the engine room C side, which is the front surface of the second mounting portion 6b, and engages the second engaging portion 11b with the tip of the second mounting portion 6b.
The first mounting portion 6a and the second mounting portion 6b are engaged with the second locking portion 6d or after the second engaging portion 11b of the base portion 11 is engaged with the tip of the second mounting portion 6b of the cowl louver 4.
A first locking portion 6c from the engine room C side of the mounting portion 6b,
It extends so as to cover the second locking portion 6d and locks the first engaging portion 11a at the tip of the first locking portion 6c.
The hood seal 10 is mounted on the seal mounting portion 6 of the cowl louver 4 by engaging with the d.

After the hood seal 10 is mounted on the seal mounting portion 6 of the cowl louver 4, since the seal mounting portion 6 covered by the base portion 11 functions as a core material of the base portion 11, the requirements of the base portion 11 itself are required. The strength can be set low, the base portion 11 can be made only of synthetic rubber having no core material, and the structure is also combined with the fact that there is no need for insertion holes such as clips for attachment. Since the manufacturing cost of the hood seal 10 is reduced and the core material is not required for the base portion 11, the base portion 11 is easily elastically deformed, and the hood seal 10 can be easily mounted on the seal mounting portion 6 of the cowl louver 4. To increase work efficiency.

The hood seal 10 mounted on the seal mounting portion 6 of the cowl louver 4 is the first seal of the seal mounting portion 6.
The first engaging portion 11a and the second engaging portion 11b having elasticity are respectively engaged with the distal ends of the locking portion 6c and the second attaching portion 6b so as to be gripped, and the base portion 11 covers the seal attaching portion 6. The mounting state is stably maintained because of the mounting.

The hood seal 10 is mounted on the cowl louver 4 from one longitudinal end of a space surrounding the seal mounting portion 6 extending from the first engaging portion 11a to the second engaging portion 11b of the hood seal 10. 6 can also be achieved.

The cowl louver 4, to which the hood seal 10 is attached in the subassembly process, is carried into an assembly line, and in the outfitting process, the cowl panel-side seal portion 13 of the hood seal 10 attached to the seal attachment portion 6. Then, the second engaging portion 11b is pressed against the seal contact surface 8a of the cowl panel 8 and attached to the cowl panel 8 or the like by a clip or a screw 15 as shown in a plan view of a main part in FIG. The operation of attaching the cowl louver 4 to the cowl panel 8 is excellent in workability because the cowl panel 8 and the cowl louver 4 are directly in contact with each other by the clip or the screw 15 without the hood seal 10 interposed therebetween.

According to the mounting structure of the hood seal according to the present embodiment configured as described above, the cowl panel side seal portion 13 and the second engagement portion 1 of the hood seal 10 are provided.
The cowl louver 4 is mounted on the cowl panel 8 by pressing the cowl louver 4 onto the cowl panel 8 by pressing the cowl panel 1b against the sealing surface 8a of the cowl panel 8. Therefore, the gap between the front end of the cowl louver 4 and the front end of the cowl panel 8 is the cowl panel side seal portion 13 and the second engagement portion 11b. The hot air and noise in the engine room C are prevented from entering the outside air passage D formed between the cowl louver 4 and the cowl panel 8 through the outside air intake hole 8 b of the cowl panel 8. Inconveniences such as intrusion into the passenger compartment B via the inside of the cowl 7 are avoided.

On the other hand, the hood-side seal portion 12 formed on the upper surface 11e of the base portion 11 is provided on the first side of the seal mounting portion 6 arranged in parallel with the seal surface 3a of the front hood 3.
The first mounting portion 6a and the cowl panel 8 which are supported on the upper surfaces of the locking portion 6c and the second locking portion 6d and protrude from the front end of the cowl louver main body 5 so as to face the sealing surface 3a of the front hood 3 are formed. The second projecting opposite the sealing surface 8a
The cowl panel 8 is strongly and linearly supported from below by the mounting portion 6b and perpendicularly to the sealing surface 3a of the front hood 3.

Therefore, the hood side seal 12 can be pressed against the sealing surface 3a of the front hood 3 with a sufficient pressing force, and the rear end of the front hood 3 and the cowl louver 4 can be pressed.
Sealability with the front end of the cover can be ensured. By ensuring the sealing performance, the space between the rear end of the front hood 3 and the front end of the cowl louver 4 is reliably shielded, so that hot air and noise in the engine room C can be prevented from leaking to the outside in front of the lower end of the windshield 2. Therefore, the hot air and noise leaked to the outside are introduced into the cowl 7 from the outside air introduction hole 5c of the cowl louver 4 via the outside air passage D and the outside air intake hole 8b of the cowl panel 8, and enter the vehicle interior B. Inconvenience is avoided.

Further, the front hood 3 can be pressed against the hood side seal 12 with a sufficient pressing force, and the front hood 3 is securely supported on the cowl panel 8 via the seal mounting portion 6 so that the front hood 3 can be moved with the traveling. The vibration of the hood 3 is sufficiently suppressed.

Further, the second engaging portion 11 of the hood seal 10
b is the second mounting portion 6b of the seal mounting portion 6 and the cowl panel 8
And the first engaging portion 11a is locked by the first locking portion 6c, and the base portion 11 is further engaged by the second locking portion 6d. The sealing surface 3a of the front hood 3 is fixed to the seal mounting portion 6 and is thus provided on the upper surface 11e of the base portion 11.
Even if vibration and friction from the front hood 3 are applied to the hood-side seal portion 12 that is pressed against the hood, the mounting position of the hood seal 10 is not displaced, or the hood seal 10 does not fall off from the seal mounting portion 6, and the above-described effects are stably performed. It has the effect that it can be maintained.

In the embodiment described above, the seal mounting portion 6 is provided with the first mounting portion 6a projecting from the front end of the cowl louver main body 5 so as to face the sealing surface 3a of the front hood 3.
A second mounting portion 6b protruding from the front end of the cowl louver main body 5 in opposition to the sealing surface 8a of the cowl panel 8, a first locking portion 6c protruding rearward from the top end of the first mounting portion 6a, and a second locking portion 6c. The first attachment portion 6a is formed in a substantially T-shaped cross section by a second engagement portion 6d protruding forward from the vehicle body from the top end.
For example, FIG. 4 shows a cross-sectional view of a main part, in which the second locking portion 6d is eliminated and the seal mounting portion 6 is formed in an inverted L-shaped cross section so that portions corresponding to those in FIG. And a first engaging portion 11a for locking the base portion 11 of the hood seal 11 to a distal end of the first locking portion 6c of the seal mounting portion 6 and a second engaging portion for locking to the distal end of the second mounting portion 6b. 11b, and the first
One end is connected to the engaging portion 11a, extends along the upper surface of the first locking portion 6c, further hangs down along the side surfaces of the first mounting portion 6a and the second mounting portion 6b, and is continuous with the second engaging portion 11b. It is also possible to simplify the shapes of the cowl louver 4 and the hood seal 10 by forming so that the shape of the cowl louver 4 and the hood seal 10 can be variously changed without departing from the gist of the present invention without being limited to the above embodiment. is there.

[0037]

According to the above-described hood seal mounting structure for an automobile according to the present invention, the hood seal itself can be securely mounted on the cowl louver by using the hood seal itself without using a clip or the like, and a sub-assembly can be realized. As a result, the number of man-hours and manufacturing costs can be reduced, and the mounting structure between the cowl louver and the hood seal can be changed only by changing the mounting structure between the front hood and the cowl panel without changing the conventional basic body structure. The sealability is ensured, and the front hood can be pressed against the cowl panel with a large pressing force via the hood seal, thereby suppressing the vibration of the front hood due to traveling. It is a great contribution to the industry.

[Brief description of the drawings]

FIG. 1 is a perspective view of a vehicle illustrating an embodiment of a hood seal mounting structure for a vehicle according to the present invention.

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

FIG. 3 is a plan view of a main part, similarly.

FIG. 4 is a cross-sectional view of a main part illustrating another embodiment of a vehicle hood seal mounting structure according to the present invention.

FIG. 5 is a cross-sectional view of a main part illustrating a conventional hood seal mounting structure for an automobile.

FIG. 6 is a cross-sectional view of a main part for explaining a conventional hood seal mounting structure for a vehicle.

FIG. 7 is a cross-sectional view of a principal part for explaining a conventional hood seal mounting structure for a vehicle.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 automobile 2 windshield 3 front hood 3a sealing surface 4 cowl louver 5 cowl louver main body 6 seal mounting portion 6a first mounting portion 6b second mounting portion 6c first locking portion 6d second locking portion 8 cowl panel 10 hood seal 11 Base part 11a First engagement part 11b Second engagement part 12 Hood side seal part

Claims (6)

[Claims] 1. A hood seal mounting structure for an automobile, in which a hood seal attached to a front end of a cowl louver provided along a lower edge of a windshield seals between a front end of a cowl panel and a rear end of a front hood. A cowl louver provided with a cowl louver main body provided along the lower end edge of the windshield and a seal mounting portion formed integrally with the cowl louver main body along the front end of the cowl louver main body, and the seal mounting portion is supported from below. A hood seal mounting for an automobile, comprising: a cowl panel; a base portion mounted on the seal mounting portion; and a hood seal provided on the base portion and having a hood-side seal portion pressed against a sealing surface of a front hood. Construction. 2. A hood seal mounting structure for an automobile according to claim 1, wherein said seal mounting portion serves as a core material of a base portion. 3. A hood seal mounting structure for an automobile, wherein a hood seal attached to a front end of a cowl louver provided along a lower end edge of a windshield seals between a front end of the cowl panel and a rear end of the front hood. A rear end formed integrally with the cowl louver body along the front end of the cowl louver main body and the cowl louver main body provided along the lower end edge of the windshield and protruding opposite to the sealing surface of the front hood.
A cowl louver having a seal mounting portion including a mounting portion and a second mounting portion projecting from the sealing surface of the cowl panel and supported by the cowl panel; and a first mounting portion and a second mounting portion of the seal mounting portion. A hood seal mounting structure for an automobile, comprising: a base portion mounted on the seal mounting portion to cover the hood and a hood seal provided on the base portion and having a hood-side seal portion pressed against a sealing surface of a front hood. 4. The seal mounting portion has a first locking portion protruding rearward from the vehicle body from a top end of the first mounting portion and a second locking portion protruding forward from the top end of the first mounting portion to the vehicle body. Then, the base portion of the hood seal covers the upper surfaces of the first locking portion and the second locking portion and the front surfaces of the first mounting portion and the second mounting portion, and one end thereof engages with the first locking portion. The hood seal mounting structure for an automobile according to claim 3, further comprising a second engaging portion that engages with the second attaching portion at the engaging portion and the other end. 5. The first mounting portion and the second mounting portion of the seal mounting portion, the hood-side sealing portion, and the sealing surface of the cowl panel are arranged on the same perpendicular line from the sealing surface of the front hood. The hood seal mounting structure for an automobile according to claim 3 or 4, wherein: 6. A hood seal mounting structure for an automobile according to claim 1, wherein said base portion of said hood seal is sandwiched and fixed by a seal mounting portion and a cowl panel.