JPH06211089A - Joint part structure between body side weatherstrip and welt seal - Google Patents

Abstract

PURPOSE:To improve sealing ability by extending the upper end part of a welt to a cut part which is formed at the lower end lip part of the body side weatherstrip, inserting the end part of the welt seal into the lip part for bringing the welt seal into tight contact with the side door interior wall. CONSTITUTION:In a sashless four-door model car, a body side weather-strip 1 and a welt 2 are mounted above and below the door west line D respectively at the body opening part periphery where both the front and rear side doors of a vehicle body with a center pillar part are installed. The body side weatherstrip 1 is provided with a hollow part 4, and it becomes smaller as it becomes lower. With this constitution, a cut part 16 which reaches a part where the hollow part 4 is formed from the lower edge of the tip part 7 and receives the welt seal 3 of the welt 2 is formed at the lip part 7 at the lower edge of the body side weatherstrip 1. The terminal of the welt seal 3 is inserted into the cabin inside of the lip part 7 from the cut part 16.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint structure between a weather strip on the vehicle body side and a welt seal.

[0002]

2. Description of the Related Art As shown in FIG. 5, in a sashless four-door type vehicle having a center pillar, a vehicle body having a front side door and a rear side door is mounted above the door waist line D at the periphery of the vehicle body opening. A vehicle body side weather strip 1 is attached to the vehicle, and a welt 2 is attached below the door waist line D. Here, the welt 2 is provided with a welt seal 3, and the welt seal 3 and the vehicle body side weather strip 1 are in close contact with each side door.

The vehicle body side weather strip 1 and the welt seal 3 are joined to each other at their end portions. The joint portion structure will be described with reference to FIGS.

As shown in FIG. 6, in the center pillar portion, two vehicle body side weather strips 1 are arranged side by side, and a welt seal 3 is joined to each vehicle body side weather strip 1. The vehicle body side weather strip 1 has a hollow portion 4, and the hollow portion 4 becomes smaller toward the lower end, and the hollow portion 4 disappears at the terminal.
As shown in FIG. 7, a lip portion 7 is formed on the front side of the vehicle body side weather strip 1 (front side door side (rear side door side is rear side)). Then, the vehicle body side weather strip 1 on the front side door 5 side and the vehicle body side weather strip 1 on the rear side door 6 side are superposed on each other at their lower ends as shown in FIG. 7, and attached to the pillar outer panel 8 by a clip (not shown). Has been.

On the other hand, as shown in FIG. 7, the welts 2 are fitted into the joint flange portions 10 of the pillar inner panel 9 and the pillar outer panel 8, respectively. The upper end of the welt seal 3 of the welt 2 is as shown in FIG. The weather strip 1 on the vehicle body side is formed into a thin stepped shape by molding.
The lip 7 is inserted into the interior of the vehicle at the lower end.

Therefore, as shown in FIG. 8, on the rear side of the front side door 5, the welt seal 3 is in close contact with the door trim 11 of the door body, and the vehicle body side weather strip 1 is in close contact with the door glass. Watertightness is secured. In FIG. 7, 12 is a door weather strip, and 13 is a lip portion of the door weather strip 12. This similar structure is, for example, the actual Kaihei 2-382
No. 17 publication.

[0007]

However, in the conventional joint structure of the vehicle body side weather strip and the welt seal, the welt seal 3 of the welt 2 is provided at the lower end of the lip portion 7 of the vehicle body side weather strip 1. Since the upper end of was inserted, weather strip 1
Since the thickness of the lip portion 7 of the vehicle is thin, the thickness of the overlapping portion of the two is thin, and therefore, as shown in FIG. 7, the gap between the door trim 11 of the front side door 5 and the lip portion 7 of the vehicle body side weather strip 1 is reduced. The gap 14 is formed.

Therefore, although the lip portion 13 of the door weatherstrip 12 of the front side door 5 is in close contact with the vehicle body side weatherstrip 1, the seal is not sufficient by itself, and the air leak sound is generated from the gap 14. However, there is a problem that quietness cannot be secured.

Further, since it is necessary to mold the upper end portion of the welt seal 3, there is a problem that the manufacturing cost increases.

Therefore, the present invention improves the sealability,
(EN) Provided is a joint structure between a vehicle body side weather strip and a welt seal, which can maintain quietness and reduce manufacturing cost.

[0011]

A vehicle body side weather strip having a hollow portion is attached above a door waist line at the periphery of a vehicle body opening to which a side door is attached, and a lower end of the vehicle body side weather strip is a terminal. It is gradually thinned so that the hollow part disappears, and on the other hand, a welt is attached below the door waist line at the periphery of the vehicle body opening, a welt seal is provided on this welt, and the lower end of the vehicle body side weather strip is attached. A notch is formed in the lip portion from the lower edge to the portion where the hollow portion is formed, the upper end of the welt is extended to the notch, and the end of the welt seal is attached to the lip portion of the vehicle body side weather strip. It was inserted inside the room.

[0012]

[Operation] By extending the upper end of the welt seal, the noise of wind leakage near the door waist line is eliminated and the quietness is maintained.

A notch portion of the vehicle body side weather strip is provided from the lower edge of the lip portion to the portion where the hollow portion is formed, and the welt seal is received therein, and the upper end of the welt seal is extended upward so that the vehicle body side weather strip is provided. By inserting the lip portion into the interior of the vehicle, a smooth sealing surface is secured from the welt seal to the weather strip on the vehicle body side without molding the upper end of the welt seal.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings by exemplifying a center pillar part in which the same parts as those of the conventional structure are designated by the same reference numerals.

1 to 4, a sashless four-door type vehicle having a center pillar portion is mounted on the vehicle body opening peripheral edge where the front side door 5 and the rear side door 6 are attached, and above the door waist line D. Is a vehicle body side weather strip 1, a welt 2 is attached below the door waist line D, and a welt seal 3 is provided on the welt 2. The vehicle body side weather strip 1 has a hollow portion 4 and a lower end. As the hollow portion 4 becomes smaller toward the end, the hollow portion 4 disappears at the terminal. The body side weather strip 1 on the front side door 5 side and the rear side door 6 side on the side of the pillar outer panel 8 of the center pillar portion are arranged side by side. The vehicle body side weather strip 1 and the vehicle body side weather strip 1 are overlapped with each other at their lower ends and are attached to the pillar outer panel 8 by a clip (not shown). That it is Attach, and each basic structure of such that it is fitted to the joint flange portion 10 of the welt 2 and the pillar outer panel 8 and the pillar inner panel 9 is the same as the conventional.

The two vehicle body side weather strips 1 of the center pillar portion are attached to the pillar outer panel 8 via a retainer 15 as shown in FIG.

Here, the weather strip 1 on the vehicle body side (the front side door side will be described as an example) is shown in FIGS.
As shown in FIG. 2, the lower end lip portion 7 reaches the portion where the hollow portion 4 is formed from the lower edge of the lip portion 7, and the welt seal 3
Is formed with a notch 16 for receiving the. On the other hand, the upper end of the welt 2 extends above the door waist line D,
The end of the welt seal 3 of the welt 2 is inserted from the cutout portion 16 of the vehicle body side weather strip 1 into the vehicle compartment side of the lip portion 7 of the vehicle body side weather strip 1. In addition, 17 in FIG. 3 shows a pillar trim.

According to the joint structure of the above embodiment, as shown in FIG. 4, the welt seal 3 of the welt 2 can be extended above the door waist line D. Therefore, as shown in FIG. In the vicinity of the line D, the welt seal 3 is the door trim 11 of the front side door 5.
The airtightness can be ensured and the seal is not broken at this portion. Therefore, the watertightness can be maintained and the quietness is not impaired by the wind leakage sound.

Further, at the portion where the welt seal 3 of the welt 2 is inserted into the lip portion 7 of the vehicle body side weather strip 1, the hollow portion 4 is provided in the vehicle body side weather strip 1.
Since a certain thickness is secured from the pillar outer panel 8 to the outside, the insertion portion of the welt seal 3 does not collapse, and the lip portion 7 of the weather strip 1 on the vehicle body side is smoothly sealed. You can transfer faces. Therefore, even in this portion, the seal is not broken.

Since it is possible to use the welt 2 and its welt seal 3 which are not subjected to any processing as described above, it is not necessary to mold the welt seal 3 as in the conventional case, and therefore the welt 2 is manufactured. The cost can be reduced.

The present invention is not limited to the above embodiment, and the joint portion between the vehicle body side weather strip 1 and the welt 2 may be applied to the front pillar portion and the rear pillar portion.

[0022]

As described above, according to the present invention, since the welt seal of the welt can be extended above the door waist line, the welt seal can be surely brought into close contact with the inner wall of the side door near the door waist line. it can. Therefore, the seal is not broken at this portion, the watertightness can be improved, and the quietness is not impaired by the wind leakage sound.

Further, at the portion where the welt seal of the welt is inserted in the lip portion of the vehicle body side weather strip, a hollow portion is formed in the vehicle body side weather strip, and to the outside from the mounting surface of the vehicle body side weather strip to some extent. Since the wall thickness dimension is ensured, the insertion portion of the welt seal does not collapse and the sealing surface can be smoothly transferred to the lip portion of the weather strip on the vehicle body side. Therefore, the seal is not broken even in this portion.

Since the end of the welt seal does not need to be processed, the manufacturing cost can be reduced as compared with the conventional case where this end is molded.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of the present invention.

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

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

FIG. 4 is a sectional view taken along the line CC of FIG.

FIG. 5 is a side view of a vehicle body showing a seal member.

FIG. 6 is a perspective view of a conventional technique.

7 is a cross-sectional view taken along the line DD of FIG.

8 is a cross-sectional view taken along the line EE of FIG.

[Explanation of symbols]

 1 ... Vehicle side weather strip 2 ... Welt 3 ... Welt seal 5 ... Front side door (side door) 6 ... Rear side door (side door) 7 ... Lip part 16 ... Notch part D ... Door waist line

Claims (1)

[Claims] 1. A vehicle body side weather strip having a hollow portion is attached above a door waist line at a peripheral edge of a vehicle body opening to which a side door is attached, and a hollow portion disappears at a terminal at a lower end of the vehicle body side weather strip. The welt is attached below the door waist line at the periphery of the vehicle body opening, and the welt seal is provided on the welt.
At the lower end lip of the vehicle body side weather strip, a notch is formed from the lower edge to the part where the hollow is formed, and the upper end of the welt is extended to this notch, and the end of the welt seal is attached to the vehicle body side. A joint structure between a vehicle-side weatherstrip and a welt seal, which is inserted into a passenger compartment side of a lip portion of the weatherstrip.