JPH09220932A - Structure of weather strip type molded part - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a weather strip type molded part structure a molded part of which is short, capable of holding an air passing sound preventing effect and preventing water leakage to the inside of a room. SOLUTION: It is a weather strip 30 with a hollow seal part 32 and a seal lip 33 to make elastically contact with a body panel opening end edge part 11 integrally connected to each other on a base bottom part 31 to be installed on an outer periphery of a front door, it is a weather strip type molded part provided with a plate type air passing sound preventive wall 35 to vertically separate a groove 34 between the hollow seal part 32 and the seal lip 33 to prevent generation of air passing sound at the time of travelling on a mold molded part arranged on a curved part to change from an inclined part of a front end edge to a vertical part of the door, and a weep hole H1 communicated to a hollow part of the hollow seal part is opened on an upstream side groove bottom in the neighbourhood of the sound preventive wall 35.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a weatherstrip type molding portion which is attached to a curved portion of a front edge of a front door on an automobile belt line and which shifts from an inclined portion to a vertical portion, and is elastically contacted with an opening edge of a body panel. It is a thing.

[0002]

2. Description of the Related Art A description will be given with reference to FIGS.
In the figure, a symbol is used in which one of the median lines descending from the apex angle of the isosceles triangle is painted, and the painted side represents a molded part, and the unpainted side represents an extruded part. . Conventionally, the retainer 26 of the door sash 25 is used as a weather strip that is attached to the door sash 25 provided at the edge of the door 20 and elastically contacts the body panel opening edge 11.
A hollow seal portion 32 and a seal lip 33 are integrally joined to a base portion 31 that is fitted to the base portion 31. Particularly, for a bent portion of the front end edge of the door 20 on the automobile belt line, which shifts from the inclined portion to the vertical portion. The corresponding mold forming portion has a plate-like wind passage noise prevention wall 35 so as to vertically separate a groove 34 between the hollow seal portion 32 and the seal lip 33 in order to prevent generation of a wind passage noise during traveling. It is provided.

However, as shown in FIG. 2, when the included angle α of the upper surface of the soundproof wall 35 with respect to the bottom of the groove 34 in the closed state of the door is lower than the horizontal line MM, the groove is lowered. There is a problem that the sound prevention wall 35 dams the water flowing down the portion 34, and the water accumulated there leaks to the indoor side.

In order to solve this problem, as shown in FIG. 4, when the included angle β of the upper surface of the sound preventing wall 36 is inclined forward and downward with respect to the horizontal line MM, the portion where the sound preventing wall 36 is provided. L
There is a problem that ₂ becomes longer than L ₁ , so that the mold forming portion becomes longer, and it is conceivable to make a water drain hole along the groove bottom in the sound prevention wall 35, but from the viewpoint of preventing wind passage noise. Cannot be made large, and if the water drainage hole is small, there arises a problem that water cannot pass through the water drainage hole due to surface tension.

[0005]

The problem to be solved by the invention is that, in the conventional weather strip type molding part, water accumulates on the upstream side of the sound preventing wall 35 and leaks to the indoor side.
Further, if the sound-preventing wall 36 is made to fall frontward with respect to the horizontal line MM so as not to collect water, the mold forming portion may become longer, or a drain hole may be formed in the sound-preventing wall 35 along the groove bottom. However, the effect is not exhibited, and the present invention has solved the above-mentioned problems.
The present invention provides a structure of a weatherstrip-type molded part that exhibits the above effect and is free from the risk of water leakage.

[0006]

As shown in FIGS. 1 and 5 to 7, a first aspect of the invention elastically contacts a body panel opening end edge portion 11 with a base portion 31 attached to the outer periphery of a front door 20. The hollow seal portion 32 and the seal lip 33 are integrally connected to each other, and the hollow seal portion 32 is provided on the molding portion arranged in the bent portion where the front end edge of the door 20 moves from the inclined portion to the vertical portion.
A weather strip type molding part provided with a wind passage noise prevention wall 35 which vertically separates a groove 34 between the seal lip 33 and the seal lip 33. The water draining hole H ₁ that communicates is opened.

As a result, there is no hole for the wind to pass through the sound preventing wall 35, and the effect of preventing the wind passing sound is secured, and moreover,
Even if the angle α of the sound prevention wall 35 with respect to the groove bottom is reduced to 90 degrees or less so that the mold molding portion becomes shorter, the water flowing down the groove passes through the water drain hole H ₁ and passes through the hollow portion of the hollow seal portion 32. Since it enters and is discharged to the outside of the vehicle through the drainage hole provided at the lower end of the hollow seal portion 32, no water leakage to the inside of the vehicle occurs.

The second aspect of the present invention is to replace the water drainage hole H ₁ that is opened in the hollow seal portion 32 of the first invention and that communicates with the hollow portion with a water drainage hole H ₂ that communicates with the outside of the root portion of the seal lip 33. It was opened.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described with reference to FIGS. 1 and 5 to 7. Reference numeral 10 is a body panel, 11 is an opening edge portion of the body panel, 20 is a front door, and 25 is A door sash 30 provided on the peripheral edge of the door 20 is a weather strip attached to the door sash 25, and is configured as follows.

Reference numeral 31 denotes a base portion fitted to the retainer 26,
Reference numerals 32 and 33 respectively denote a hollow seal portion and a seal lip which are elastically brought into contact with the opening edge portion 11 of the body panel, and the groove 3
Each of them is integrally connected to the base portion 31 with 4 interposed therebetween. A plate-shaped wind passage noise prevention wall 35 is provided in a groove 34 of a molding portion arranged in a bent portion of the front end edge of the front door 20 on the automobile belt line, which is shifted from a sloped portion to a vertical portion. It is designed to prevent passage noise. The air passage noise prevention wall 35 vertically separates the groove 34 between the hollow seal portion 32 and the seal lip 33.
Moreover, it is provided so that the included angle α between the bottom of the groove and the upper surface is 90 degrees or less.

Further, in the first invention, H ₁ is a drain hole provided at the groove bottom, which is opened on the upstream side of the wind noise prevention wall 35 so as to communicate with the hollow portion of the hollow seal portion 32. . In the second aspect of the invention, H ₂ is a water draining hole opened so as to communicate with the outside of the root portion of the seal lip 33.

The operation will be described. Since no holes are formed in the wind passage noise prevention wall 35, the wind passage noise prevention effect is maintained, and the included angle α between the groove bottom and the upper surface of the noise prevention wall is 90 degrees or less. By doing so, the length L ₁ in the front-back direction of the sound prevention wall 35
Is reduced, the length of the molding portion is shortened, and water flowing down the groove portion is discharged from the drain holes H ₁ and H ₂ to the hollow portion of the hollow seal portion 32 or the outside of the vehicle. Water will not collect on the upper side of the wall 35 and will not leak into the room.

[0013]

EFFECTS OF THE INVENTION Since the present invention is configured as described above, the molding portion is short, the effect of preventing wind passage noise is maintained, and water does not leak into the room.

[Brief description of drawings]

FIG. 1 is a side view of an automobile.

FIG. 2 is a perspective view of a Z portion in FIG. 1 showing a conventional weather strip with a front door opened.

3 is a sectional view taken along line AA of FIG. 1 and a sectional view taken along line BB of FIG.

FIG. 4 is a perspective view of a Z portion in FIG. 1 showing another conventional weather strip with a front door opened.

5 is a perspective view of a Z portion of FIG. 1 showing an embodiment of the weather strip of the present invention in a state where a front door is opened.

6 is a cross-sectional view corresponding to AA in FIG. 1 and CC in FIG. 5.

FIG. 7: AA of FIG. 1 and FIG. 5 showing another embodiment example
6 is a sectional view corresponding to CC of FIG.

[Explanation of symbols]

10 Body Panel 11 Body Panel Opening End Edge 20 Door 25 Door Sash 26 Retainer 30 Weather Strip 31 Base Part 32 Hollow Seal Part 33 Seal Lip 34 Groove 35 Sound Prevention Wall 36 Sound Prevention Wall H ₁ Drain Hole H ₂ Drain Hole L ₁ Length of sound prevention wall in the front-rear direction L ₂ Length of sound prevention wall in the front-rear direction α Angle between groove bottom and sound prevention wall β Angle between groove bottom and sound prevention wall

Claims (2)

[Claims] 1. A hollow seal portion (32) and a seal lip (3) which are elastically brought into contact with an opening edge portion (11) of a body panel opening, on a base portion (31) attached to the outer periphery of a front door (20).
3) is integrally connected, and the air passage that vertically separates the groove (34) between the hollow seal portion and the seal lip in the molded portion arranged in the curved portion that moves from the inclined portion of the front edge of the door to the vertical portion. In a weatherstrip type molding part provided with a sound prevention wall (35), a water drain hole (H ₁ ) communicating with the hollow portion of the hollow seal part is opened in the upstream groove bottom near the sound prevention wall. Construction. 2. A hollow seal part (32) and a seal lip (33), which are elastically contacted with the opening edge part (11) of the body panel, are integrally connected to a base part (31) attached to the outer periphery of the door (20). In addition, a plate-shaped wind passage noise prevention wall that vertically separates the groove (34) between the hollow seal portion and the seal lip in the molding portion arranged in the curved portion that moves from the inclined portion of the front end edge of the door to the vertical portion ( 35), the structure of the weatherstrip type molding part in which a drainage hole (H ₂ ) penetrating the root of the seal lip to the outside is opened at the bottom of the upstream groove near the soundproof wall.