JPH0752650A - Automobile door sealing structure - Google Patents

Abstract

PURPOSE:To provide an enhanced sealing property and to prevent a wind noise from entering a cabin by allowing a first seal portion and a second inside seal portion to form first and second sealing lines on contact with a roof weatherstrip, and defining a liquid passage between the lines that leads to the outside. CONSTITUTION:A first seal portion 40 leading from a door weatherstrip 28 to the top 27 of an outside-mirror mounting bracket 26 and extending over the top 27, and a second seal portion 42 to be located inside the first seal portion 40 with respect to the cross direction of an automobile body, are formed. The seal portions 40,42 are designed to form respective first and second sealing lines A, B on contact with a roof weatherstrip and define a liquid passage 60 between the lines that leads to the outside. Thereby water is prevented from entering the cabin, and even if water enters, it is discharged to the outside for enhancement of a sealing property, and a wind noise can be prevented from entering the cabin.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle door seal structure, and more particularly, to a roof weather strip arranged at a roof portion of a door opening of a vehicle body and a frame portion of a door which is openably and closably attached to the door opening. The present invention relates to a vehicle door seal structure that exhibits a sealing function when the door is closed in cooperation with a door weather strip to be arranged.

[0002]

2. Description of the Related Art A sub-sealing material is superposed on a terminal portion of a roof weather strip arranged at a roof portion of a door opening of a vehicle body so that a surface of the terminal portion and a surface of the sub-sealing material are located on the same plane. As a vehicle-body-side sealing means, there has been proposed a sealing structure in which two sealing lines are formed when the sealing means and the door weather strip of a door come into contact with each other (Japanese Utility Model Publication No. 2-38217).

[0003]

When a door of an automobile is provided with a bracket for mounting a door mirror, there is a possibility that a slight clearance may occur at the joint between the bracket and the door weather strip. In such a seal structure, since no measures are taken for the joint,
The sealing performance of the joint is lower than the sealing performance of other parts. In addition, wind noise may enter the vehicle compartment through the clearance.

An object of the present invention is to provide a vehicle door seal structure capable of improving the sealing performance of a joint between a door mirror mounting bracket and a door weather strip and preventing wind noise from entering the vehicle interior. To do.

[0005]

According to the present invention, there is provided a frame portion of a door having a roof weather strip arranged on a roof portion of a door opening of a vehicle body and a bracket for mounting a door mirror, the bracket being openably and closably attached to the door opening. A door door sealing structure for an automobile, which exhibits a sealing function when the door is closed in cooperation with a door weather strip to be placed in the vehicle, wherein the door weather strip reaches the apex of the bracket and extends on the apex. The first seal portion and the first
A second seal portion which is located inward of the seal portion in the width direction of the vehicle body and which is provided at least in the door weather strip, and the first seal portion and the second seal portion are Further, the first seal line and the second seal line form a first seal line and a second seal line respectively when the first seal unit and the second seal unit come into contact with the roof weather strip, respectively. It is formed so as to define a liquid passage communicating with the outside between the two seal lines.

[0006]

[Operation and effect] When the door is closed, the first seal line and the second seal line are formed, so that water will not flow from the minute gap at the joint between the door weather strip and the bracket. Even if the water passes through the first seal line, the momentum of the water drops due to the first seal line, so that the second seal line can reliably prevent the water from entering the vehicle interior. Then, the entered water can be discharged to the outside through the liquid passage. Conventionally, parts made of sponge or the like have been arranged in order to increase the reliability of the seal at the joint portion, but according to the present invention, such parts can be eliminated.

The double seal structure formed by the first and second seal lines can prevent wind noise from entering the vehicle interior.

[0008]

The seal structure according to the present invention is applied to
As shown in FIG. 6, a fender 10, a front pillar 12 extending from the fender 10, a windshield molding 16 for a front shield glass 14 supported by the front pillar 12, a door mirror 20 attached to a door 18, a roof drip attached to a roof 22. This is a place where the malls 24 and the like gather, and wind noise is likely to occur while the automobile is running. Further, as shown in FIG. 1, since the bracket 26 for mounting the door mirror 20 is provided, it is necessary to take measures against the entry of water and wind noise from the clearance 30 at the joint between the door weather strip 28 and the bracket 26. Becomes

As shown in FIGS. 1 to 3, the seal structure includes a roof weather strip 34 arranged on a roof portion of a door opening 32 of a vehicle body, and a bracket for mounting a door mirror, which is attached to the door opening 32 so as to be openable and closable. A door seal strip 28 is provided with a door weather strip 28 disposed on the frame portion 19 of the door 18 having the 26, and exhibits a sealing function when the door 18 is closed. The first seal portion 40 and the second seal portion 42 Equipped with.

Arrangement of the roof weather strip 34 on the roof portion, arrangement of the door weather strip 28 on the frame portion 19, materials of the roof weather strip 34 and the door weather strip 28, and attachment of the door mirror 20 to the door 18. The structure and the like may be based on a known arrangement, material, and mounting structure.

The first seal portion 40 extends from the door weather strip 28 to the apex 27 of the bracket 26, and the apex 2
It is growing above 7.

In the embodiment shown in FIGS. 1 to 3, the first seal portion 40 smoothly rises from the base portion 29 of the door weather strip 28 located on the frame portion 19 of the door, and gradually rises rearward. Raised portion 44 to increase height
Have. The raised portion 44 becomes a hollow portion 45 from the portion of the clearance 30, and the top portion including the apex 27 of the bracket 26 is fitted in the hollow portion 45. The thickness of the covering portion 46 of the hollow portion 45 facing the apex 27 is gradually reduced and smoothly transitions to the apex 27 of the bracket. After that, the first seal portion 40 becomes the apex 27 of the bracket 26 and becomes the apex 49 of the adjacent window glass 48 and continues rearward. That is, in the first seal portion 40, from the raised portion 44 to the hollow portion 45, the door weather strip 2 is provided.
8 is a portion integrally formed with the base portion 29 of the base plate 8, and thereafter, the apex 27 of the bracket 26 and the window glass 48.
And the apex 49 of the.

The second seal portion 42 is the first seal portion 4
It is located inward of the width direction of the vehicle body from 0 and is provided at least on the door weather strip 28.

In the embodiment of FIGS. 1 to 3, the second seal portion 42 has a raised portion 52 which rises from the base portion 29 in front of and below the portion where the first seal portion 40 rises. . The ridge portion 52 extends rearward at a distance from the ridge portion 44 of the first seal portion 40, and gradually lowers in height from a portion substantially facing the clearance 30 to become a small ridge portion 53, which is a door belt. Line 54
Extends along. That is, the second seal portion 42
Includes a raised portion 52 and a small raised portion 53, which are integrally formed with the base portion of the door weather strip 28, respectively.

First seal portion 40 and second seal portion 42
Means that the first seal portion 40 and the second seal portion 42 form a first seal line A and a second seal line B, respectively, when the first seal portion 40 and the second seal portion 42 contact the roof weather strip 34. Have. In other words, the height, shape, and position of the raised portion 44 and the hollow portion 45 of the first seal portion 40 from the base portion 29, and the base portion of the raised portion 52 and the small raised portion 53 of the second seal portion 42. The height from 29, the shape, the position, etc. are determined by the relative relationship with the roof weather strip 34 so that the first seal line A and the second seal line B can be formed.

The first seal portion 40 and the second seal portion 42
Are further formed so as to define a liquid passage 60 communicating between the first seal line A and the second seal line B to the outside.

In the embodiment shown in FIGS. 1 to 3, the liquid passage 60 has a relatively large cross section in the vicinity of the clearance 30 (FIG. 3), but the middle portion in front of the clearance 30 (FIG. 2).
Has a small cross section. The liquid passage 60 communicates with the front of the raised portion 52 of the second seal portion 42 through the portion 61 of the raised portion 44 of the first seal portion 40 that smoothly rises from the base portion, and communicates with the outside from here. To do.

In the embodiment of FIGS. 4 and 5, a first seal portion 70 and a second seal portion 72 are provided.

The first seal portion 70 has a raised portion 78 that smoothly rises from the base portion 75 of the door weather strip 74 located on the frame portion 19 of the door and gradually increases its height toward the rear. The raised portion 78 is substantially the same as the raised portion 44 of the first seal portion of the previous embodiment, except that there is no hollow portion following the raised portion 78,
It smoothly transitions to the apex 81 of the bracket 80. After that, the first seal portion 70 becomes the apex 81 of the bracket 80 and the apex 49 of the adjacent window glass 48, and extends rearward. That is, the first seal portion 70 is a portion in which the raised portion 78 is integrally formed with the base portion 75 of the door weather strip 74, and thereafter, the apex 81 of the bracket 80 and the apex 49 of the window glass 48 are used. Is formed.

The bracket 80 has a vertex 81 at the center thereof.
And a shoulder 83 is provided inside the top portion 82. Therefore, the raised portion 78 has the same height as the top portion 82 of the bracket 80 at the position of the clearance 30, and the apex 8
It is smoothly transitioning to 1. On the other hand, the roof weather strip 86 has a lip 87 inside thereof.

The second seal portion 72 is the first seal portion 7
It has a raised portion 90 that rises from the base 75 further forward of and below the point where 0 stands up. The ridge portion 90 extends rearwardly from the ridge portion 78 of the first seal portion 70 toward the shoulder 83 of the bracket 80, and its height gradually increases from a position before reaching a portion facing the clearance 30. To be the same height as the shoulder 83 of the bracket 80. The raised portion 90 is the shoulder 8 of the bracket 80.
The portion facing 3 is behind the clearance 30.

First seal portion 70 and second seal portion 72
When the first seal portion 70 and the second seal portion 72 come into contact with the roof weather strip 86, the first seal line C and the second seal line D are respectively formed, and the liquid passage 92 is formed into the first seal line C. It is defined between the first seal line C and the second seal line D.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of a vehicle door seal structure according to the present invention as seen from the inside of a door.

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

3 is a sectional view taken along line 3-3 of FIG.

FIG. 4 is a perspective view of another embodiment of the automobile door seal structure according to the present invention as seen from the inside of the door.

5 is a cross-sectional view taken along line 5-5 of FIG.

FIG. 6 is a side view showing automobile parts provided around a portion to which the seal structure according to the present invention is applied.

[Explanation of Codes] 18 Door 19 Frame Part 20 Door Mirror 26, 80 Bracket 27, 81 Vertex 28, 74 Door Weather Strip 30 Clearance 34, 86 Roof Weather Strip 40, 70 First Sealing Part 42, 72 Second Seal part

Claims (1)

[Claims] 1. A roof weather strip arranged on a roof portion of a door opening of a vehicle body, and a door weather strip arranged on a frame portion of a door having a bracket for mounting a door mirror, which is attached to the door opening so as to be openable and closable. And a first seal portion extending from the door weather strip to the apex of the bracket and extending on the apex. The door weather strip, which is located inward of the first seal portion in the width direction of the vehicle body, is provided with at least a second seal portion.
And the second seal portion form a first seal line and a second seal line, respectively, when the first seal portion and the second seal portion come into contact with the roof weather strip. And a seal structure for an automobile door, which is further formed so as to define an external liquid passage between the first seal line and the second seal line.