JP3311225B2 - Wind mall - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a molding material having a fitting groove on the inner peripheral side for fitting a peripheral portion of a window glass, and a gap formed between the outer peripheral side of the molding substrate and the vehicle body. The present invention relates to a wind molding in which a base end of a seal lip that covers and elastically contacts an outer surface of a vehicle body is continuously provided.

[0002]

2. Description of the Related Art Conventionally, such a wind molding has been disclosed in, for example, Japanese Patent Application Laid-Open Nos. 1-249318 and 4-3036.
It is already known from Japanese Patent No. 33 and the like.

[0003]

In the above-mentioned conventional window molding, as shown in FIG. 4, a molding substrate 10 in which a peripheral portion of a window glass G is fitted has a cross-sectional shape which is bulged outward and curved. The sealing lip 12 ′ is provided continuously. For this reason, the rigidity of the seal lip 12 ′ against outward bending is relatively weak, and the gap 1 formed between the outer peripheral side of the molding base material 10 and the vehicle body B during running of the vehicle.
8 and a pressure difference between the pressure outside the seal lip 12 'and the force in the direction in which the seal lip 12' is bent outward, and the reaction force of the seal lip 12 '. 'Vibrated as shown by the dashed line, and chattering sound was generated. Therefore, as shown by the chain line in FIG.
An attempt was made to insert the ept seal 19 made of urethane foam into the gap 18 so as to be interposed between the molding base material 10 and the vehicle body B to avoid the above pressure difference. And the chattering noise could not be reduced sufficiently. Attempts have also been made to increase the lip reaction force of the seal lip 12 'by increasing the adhesion between the window molding 8' and the vehicle body B by using a double-sided tape having a sufficient thickness in place of the ept seal 19. In some cases, it is difficult to assemble the window molding 8 'to the vehicle body B with the double-sided tape due to the dimensional variation described above.

[0004] The present invention has been made in view of the above circumstances, and a vehicle in which a seal lip is formed of a soft synthetic resin.
On which so as to enhance the adhesion between the body and ensure assembling to the vehicle body irrespective of the dimensional variations of the vehicle body, the soft case
Increased rigidity of seal lip made of synthetic resin to lip cross-sectional shape
It is an object of the present invention to provide a wind mall that can further increase the occurrence of chattering noise during vehicle running.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention relates to a molding material having a fitting groove on an inner peripheral side for fitting a peripheral portion of a window glass. In a wind molding in which a base end of a sealing lip that resiliently contacts an outer surface of a vehicle body so as to cover a gap formed between the side and the vehicle body, the sealing lip is provided on the molding base.
The base end is continuously connected to the outer peripheral outer end of the material, and the base end side valley bulges and expands toward the gap side, and the valley has a curved shape bulging outward and is connected to the outer surface of the vehicle body. It is formed in a sectional shape having a crest abutting the distal end side, the cross-section
Due to the shape, the peaks resiliently contact the outer surface of the vehicle body.
Ri, made of synthetic resin of the molding substrate is rigid and said sealing lip is a first feature in that it consists of soft synthetic resin, In addition to this feature, the surface of the molding substrate, weathering resistance The second feature is that the cover is covered with a film made of a synthetic resin having excellent characteristics.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described below based on one embodiment of the present invention shown in the accompanying drawings.

FIGS. 1 to 3 show an embodiment of the present invention. FIG. 1 is a front view of a passenger vehicle, and FIG.
FIG. 3 is an enlarged sectional view taken along line 3-3 in FIG.

[0008] As shown in FIG.
A window molding 8 made of a synthetic resin is mounted on the entire periphery of a front window glass G provided on the front surface of the vehicle. The window molding 8 seals between the vehicle body B and the front window glass G.

Referring to FIG. 2 and FIG.
Is provided with a support frame 5 which is recessed toward the vehicle compartment (not shown) (the lower side in FIGS. 2 and 3) and is continuous with a rectangular endless shape. A rectangular opening 7 to be covered with the front window glass G is formed by the inner peripheral edge of the support plate 6 which is continuously provided with a step.

The wind molding 8 is made of a core 9 made of a wire.
And a coating 11 covering the surface of the molding substrate 10, a seal lip 12 whose base end is continuously connected to the outer peripheral side outer end of the molding substrate 10, The lip 13 is provided integrally with the base end near the inner end on the outer peripheral side. Thus, the molding base material 10 is made of a relatively hard synthetic resin in order to increase strength and rigidity, the coating 11 is made of a synthetic resin having excellent weather resistance, and the sealing lip 12 and the lip 13 are attached to the vehicle body B. Although it is made of a relatively soft synthetic resin in order to enhance the adhesion, the molding base material 10, the coating 11, the sealing lip 12 and the lip 13 are integrated by extruding three kinds of materials at the same time. At the time of the extrusion molding, the core bar 9 is integrally embedded in the molding base material 10.

A fitting groove 14 is provided on the inner peripheral side of the molding base material 10 in the wind molding 10, and a peripheral portion of the front window glass G is fitted in the fitting groove 14. You. Further, as shown in FIG. 3, a vertically extending groove 15 is provided on the inner peripheral side of the molding base material 10 at a portion corresponding to both sides of the front window glass G. It has the function of letting rainwater, which has hit the surface on both sides by wipers or the like, flow downward.

A front window glass G having a window molding 8 mounted on a peripheral portion thereof is provided with a dam rubber 1 on a support plate 6.
6, the dam rubber 16 and the supporting frame 5
The adhesive 17 is filled between the front window glass G and the window molding 8 and the support frame 5 between the lip 13 that resiliently comes into contact with the lip 13. Thereby, the front window glass G is fixed to the vehicle body B so as to cover the opening 7, and the seal lip 12 of the window molding 8 is fixed to the outer periphery of the molding base 10 in the window molding 8 and the vehicle body B
Is elastically abutted on the outer surface of the vehicle body B so as to cover the gap 18 formed between the support frame 5 and the support frame 5.

In addition, the seal lip 12 has a valley 12a on the base end side which is bulged and curved toward the gap 18 side, and a ridge 12 on the distal end side which is connected to the valley 12a in a curved shape bulged outward.
b is formed in a cross-sectional shape consisting of
b resiliently contacts the outer surface of the vehicle body B.

Next, the operation of this embodiment will be described. The seal lip 12 of the window molding 8 has a base-side valley portion 12a which is bulged and curved toward the gap 18 between the window molding 8 and the vehicle body B. The lip 12 is formed in a cross-sectional shape including a peak 12b on the tip side connected to the valley 12a in a curved shape bulging inward. 4, the vibration characteristic of the seal lip 12 can be shifted to a high-frequency band where chattering noise is hardly generated. Therefore, even when a pressure difference occurs between the inside and outside of the seal lip 12, that is, between the gap 18 and the outside of the seal lip 12, during the traveling of the passenger vehicle V, generation of chatter noise can be suppressed as much as possible.

Moreover, the seal lip 12 is attached to the vehicle body B.
Made of relatively soft synthetic resin to improve adhesion
And use a double-sided tape or the like
Further, since the lip reaction force of the seal lip 12 is not increased by increasing the adhesion of the vehicle body B, it is difficult to assemble the wind molding 8 to the vehicle body B even if there is dimensional variation on the vehicle body B side. And maintain the assemblability.

Although the embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various design changes can be made without departing from the present invention described in the appended claims. It is possible to do.

For example, the present invention is widely applicable not only to windshields but also to windshields of vehicles.

[0018]

As described above, according to the first feature of the present invention, the fitting groove for fitting the peripheral portion of the window glass is formed on the inner periphery.
On the outer peripheral side of the base material and between the car body
Elastically abuts the outer surface of the vehicle body, covering the gap formed in the vehicle
To the wind molding where the base end of the sealing lip
The molding base is made of hard synthetic resin
In, it is possible to enhance the strength and rigidity, also Sea
The body of the lip is made of a soft synthetic resin.
Dimensions on the vehicle body
Assembling to the body of the wind mall even if there is a crack
Is easy to maintain and maintain assembly (ie,
Assembly is guaranteed).

Further, such a seal lip is provided with a molding base.
The base end is continuously connected to the outer peripheral outer end of the material, and the base end side valley bulges and expands toward the gap side. It is formed in a sectional shape having a crest abutting the distal end side, the cross-section
Due to the shape, the peaks are in elastic contact with the outer surface of the vehicle body
Since that, soft in order to enhance the adhesion to the body as described above
Lip made of high quality synthetic resin
Depending on the cross-sectional shape, it is possible to
Stiffness can be increased compared to conventional ones,
During running, the inside and outside of the seal lip (that is, the gap and the outside of the lip)
Between the two sides), even if there is a pressure difference
Can be suppressed. Thus, generation of chattering noise is Ru is minimized while maintaining the assembling performance to the vehicle body.

According to the second feature of the present invention, the surface of the molding substrate can be covered with a coating made of a synthetic resin having excellent weather resistance.

[Brief description of the drawings]

FIG. 1 is a front view of a passenger vehicle.

FIG. 2 is an enlarged sectional view taken along line 2-2 of FIG.

FIG. 3 is an enlarged sectional view taken along line 3-3 of FIG. 1;

FIG. 4 is a sectional view corresponding to FIG. 2 of the prior art.

[Explanation of symbols]

 Reference Signs List 8 wind mold 10 molding base 11 coating 12 seal lip 12a valley 12b peak 14 fitting groove 18 gap B ..Car body G: Front windshield

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B60J 1/02 B60R 13/02

Claims (2)

(57) [Claims] 1. A molding base material (1) having a fitting groove (14) on an inner peripheral side for fitting a peripheral portion of a window glass (G).
0) to cover the gap (18) formed between the outer peripheral side of the molding base material (10) and the vehicle body (B).
In a wind molding in which the base end of a seal lip (12) elastically abutting on the outer surface of the molding is provided, the seal lip (12) is located on the outer peripheral side of the molding base material (10).
A proximal end is continuously provided at the outer end, and a valley (12a) on the proximal end bulging and curved toward the gap (18), and a valley (12a) bulging outward and connected to the valley (12a). Body (B)
And a ridge (12b) on the tip side that is in contact with the outer surface of the rim.
(12b) resiliently contacts the outer surface of the vehicle body (B)
And the molding base (10) is made of a hard synthetic resin, and the seal lip (12) is made of a soft synthetic resin. 2. The window molding according to claim 1, wherein a surface of the molding substrate is covered with a coating made of a synthetic resin having excellent weather resistance.