JPH111125A - Weatherstrip - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a weatherstrip preventing water infiltrating into a mounting groove of a sash part, from leaking and infiltrating into a cabin from the vicinity of a weld part connecting a door sash part to a door panel part. SOLUTION: This weatherstrip consists of a seal part 3 for sealing a space between a door and a vehicle body, a mounting part 2 provided with a hollow part 18, and a water stop lip 4 tentatively preventing infiltration of water to a mounting groove 12 of a sash part 11. A bottom part of the mounting part 2 on the sash part 11 side to a weld part 15 is provided with a water through hole 6 communicating the mounting groove 12 of the sash part 11 with the hollow part 18 of the mounting part 2, and a bead 5 is protrusively provided on the weld part 15 side of the water through hole 6 and in an adjacent position to the water through hole 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a weather strip for an automobile, and more particularly to a weather strip for preventing water leaking into a sash portion from entering a vehicle.

[0002]

2. Description of the Related Art Various types of weather strips for automobiles are conventionally known. For example, a weather strip as shown in FIG. 5 is known. The weather strip 31 is mounted inside the rear door 22 or the front door 23 of the vehicle body 21 shown in FIG. 6 and is sandwiched between the vehicle body 21 to prevent water such as rainwater from entering the vehicle. Is what you do.

FIG. 5 is an enlarged perspective view of an M portion or an N portion surrounded by a two-dot chain line in FIG. The weather strip 31 is indicated by a two-dot chain line so that it can be distinguished from the sash portion 41 and the door panel portion 46.
It is formed in a substantially tubular shape having a second portion 2 and a seal portion 33. Then, the mounting portion 32 is attached to the mounting groove 4 of the sash portion 41.
2 and a mounting groove 47 in the door panel portion.

A window glass (not shown) moves up and down in a gap 43 of the sash portion 41. In addition, the inside of the seal lip protruding from the sub-seal (not shown) is in contact with a water stop lip 34 provided outside the weather strip 31, so as to temporarily prevent water from entering from the outer periphery of the seal portion 33. However, some water enters the mounting groove 42 of the sash portion 41.

[0005] A door panel portion 46 is connected to a lower portion of the sash portion 41 by a welded portion 45. When the doors 22 and 23 are closed, the sealing portion 33 of the weatherstrip 31 is entirely in contact with the vehicle body 21, so that water such as raindrops can be prevented from entering the vehicle.

[0006]

However, in the above-mentioned conventional weatherstrip 31, the sash portion 4 is not provided.
The water that has penetrated into the first mounting groove 42 accumulates in the overlaid portion of the welded portion 45, and as a result, there is a problem that water leaks and enters the vehicle interior from the vicinity of the welded portion 45.

SUMMARY OF THE INVENTION The present invention has been made in consideration of the above problems, and has as its object to provide a weather strip for preventing water from entering a vehicle interior from a welding portion connecting a sash portion of a door and a door panel portion. It is.

[0008]

The above objects of the present invention can be solved by the following items 1) and 2). 1) A weather strip which is mounted on a sash portion and a door panel portion of an automobile connected by a welding portion and has a sealing portion for sealing between a door and a vehicle body and a mounting portion, wherein the mounting portion has a hollow portion, At the bottom of the mounting portion on the sash portion side with respect to the welding portion, a water flow hole communicating the mounting groove of the sash portion and the hollow portion of the mounting portion is provided, and A bead is protrudingly provided at a position adjacent to the water passage hole, so that water transmitted through the mounting groove does not flow to the welded portion but flows through the hollow portion. .

According to the weather strip having the above structure,
The water that has been connected in the mounting groove of the sash portion is blocked by the bead and is taken into the hollow portion through the water hole, so that the water does not flow to the welded portion. Therefore, it is possible to prevent water from leaking into the passenger compartment from the welded portion.

[0010] 2) In the weather strip of the above item 1), a drain hole communicating the hollow portion and the mounting groove of the door panel portion is provided at the bottom of the mounting portion on the door panel portion side, so that the water flows through the welding portion. A water strip, wherein the water flowing in the hollow portion is drained from the drain hole without using the water strip. According to the weather strip having the above structure, the water taken into the hollow portion is drained from the drain hole, so that water does not accumulate in the hollow portion and the durability of the weather strip is not impaired.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a weather strip according to the present invention will be described below in detail with reference to FIGS. FIG. 1 is a partial perspective view showing a state in which a weather strip according to an embodiment of the present invention is mounted on a sash portion and a door panel portion. FIG. 2 is a partial perspective view of the weather strip in FIG. FIG. 3 is a sectional view taken along line BB in FIG. FIG. 4 shows AA in FIG.
It is sectional drawing. FIG. 6 is a side view showing a mounting position of a weather strip on a vehicle body.

As shown in FIG. 1, a weather strip 1 according to the present embodiment includes a seal portion 3 for sealing between a door and a vehicle body, a sash portion 11 and a door panel portion 16.
The mounting portion 2 is sandwiched between the mounting grooves 12 and 17, and the waterproof lip 4 for preventing water from entering the mounting groove 12 from the outer periphery of the seal portion 3. For the seal portion 3 and the water stop lip 4, a soft elastic material such as sponge rubber is used. The mounting portion 2 is usually made of a soft elastic material such as sponge rubber, but may be made of a hard elastic material such as solid rubber if necessary.

In FIG. 1, a mounting groove 12 of the sash portion 11 is provided at the bottom of the mounting portion 2 on the sash portion 11 side with respect to a welding portion 15 connecting the sash portion 11 and the door panel portion.
And a hollow portion 18 provided in the mounting portion 2, and a water passage hole 6 is provided. The mounting portion 2 is provided at a position adjacent to the water passage hole 6 on the welded portion 15 side of the water passage hole 6 in the axial direction. A bead 5 is projected at right angles to. As an example of the dimensions of the bead 5, the length D in FIG.
, The height T shown in FIGS. 3 and 4 is 1.5 mm,
The width W is about 1.0 mm.

The weather strip 1 having the above-described structure is shown in FIG.
Is mounted inside the rear door 22 or the front door 23 of the vehicle body 21 of the vehicle, and is sandwiched between the vehicle body 21 to prevent water such as rainwater from entering the vehicle. However, a part of the water leaks into the mounting groove 12 of the sash portion 11 from the water stop lip 4.

The water that has entered the mounting groove 12 is
And flows toward the welded portion 15. When the water reaches the welded portion 15, the water is blocked at the overlaid portion of the welded portion 15, so that the water accumulates, and there is a risk that the water leaks and enters the vehicle interior.

However, the weather strip 1 is provided with a hollow portion in the mounting portion 2 and a mounting groove 12 in the sash portion 11 and in the mounting portion 2 at the bottom of the mounting portion 2 on the sash portion 11 side. The water hole 6 communicating with the hollow portion 18
The bead 5 is provided at a position perpendicular to the axial direction of the mounting portion 2 at a position adjacent to the welding portion of the water hole and adjacent to the water hole.
Is protruding. Therefore, the water that has entered the mounting groove is
Before reaching the welded portion 15 shown in FIG. 5, the bead 5 closes and is taken into the hollow portion 18 through the water passage hole 6 so that the welded portion 15 does not reach. Therefore, it is possible to prevent water from leaking into the vehicle interior from the welded portion 15.

The weather strip 1 according to the present embodiment has a hollow portion 1 as shown in FIGS.
8 has a drain hole communicating with the mounting groove 17 of the door panel portion 16. Accordingly, the water taken into the hollow portion is drained from the drain hole 7 along the route shown by the arrow in FIG. It does not impair the durability. For example, the drain hole 7 is provided at a position like an L portion surrounded by a two-dot chain line shown in FIG.

In the weather strip 1 of the embodiment described above, the hollow portion 18 is provided in the mounting portion 2 and the sash portion is provided at the bottom of the mounting portion 2 on the sash portion 11 side with respect to the welding portion 15. A water passage hole 6 is provided for communicating the mounting groove 12 and the hollow portion 18, and a bead is formed at a position perpendicular to the axial direction of the mounting portion 2 at a position adjacent to the water passage hole 6 on the welded portion 15 side of the water passage hole 6. 5 are protrudingly provided. Therefore, the water that has flowed in the mounting groove 12 of the sash portion 11 is blocked by the bead 5 and is taken into the hollow portion 18 through the water passage hole 6, so that the water does not reach the welded portion 15. . Therefore, it is possible to prevent water from leaking into the vehicle interior from the welded portion 15.

A hollow portion 18 and a mounting groove 17 of the door panel portion 16 are provided at the bottom of the mounting portion 2 on the door panel portion 16 side.
And a drain hole 7 that communicates with. Therefore, the water taken into the hollow portion 18 is drained from the drain hole 7, so that water does not accumulate in the hollow portion 18 and the durability of the weather strip 1 is not impaired.

The present invention is not limited to the above-described embodiment, but can be embodied in other modes by making appropriate changes. For example, in the present embodiment, the water passage hole 6 and the drain hole 7 are circular, but may be polygons such as rectangles. For example,
In the present embodiment, the bead 5 is linear, but may be a broken line. For example, in the present embodiment, the bead 5 is provided at a position connected to the water passage hole 6 at a right angle to the axial direction of the mounting portion 2, but the bead 5 does not necessarily have to be at a right angle.

[0021]

As described above, according to the weather strip of the present invention, a hollow portion is provided in the mounting portion, and the mounting groove of the sash portion is formed at the bottom of the mounting portion on the sash portion side with respect to the welding portion. A water passage hole communicating with the hollow portion is provided, and a bead is protruded at a position adjacent to the water passage hole on the welding portion side of the water passage hole. Therefore, the water that has been connected in the mounting groove of the sash portion is blocked by the bead and is taken into the hollow portion through the water hole, so that the water does not reach the welded portion. Therefore, it is possible to prevent water from leaking into the passenger compartment from the welded portion.

In addition, a drain hole is provided at the bottom of the mounting portion on the door panel portion side to communicate the hollow portion with the mounting groove of the door panel portion. Therefore, the water taken into the hollow portion is drained from the drain hole, so that water does not accumulate in the hollow portion and the durability of the weather strip is not impaired.

[Brief description of the drawings]

FIG. 1 is a partial perspective view showing a state in which a weather strip according to an embodiment of the present invention is mounted on a sash portion and a door panel portion.

FIG. 2 is a partial perspective view of the weather strip in FIG.

FIG. 3 is a sectional view taken along line BB in FIG. 2;

FIG. 4 is a sectional view taken along line AA in FIG. 2;

FIG. 5 is a partial perspective view showing an example of a state in which a conventional weatherstrip is mounted on a sash portion and a door panel portion.

FIG. 6 is a side view showing a mounting position of a weather strip on a vehicle body.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Weather strip 2 Mounting part 3 Seal part 5 Bead 6 Water passage hole 7 Drain hole 11 Sash part 12 Mounting groove 15 Weld part 16 Door panel 17 Mounting groove 18 Hollow part 21 Body 22 Rear door 23 Front door

Claims (2)

[Claims] An automobile sash section (11) and a door panel section (16) connected by a weld (15) are attached to a door (22, 2).
Sealing part (3) and mounting part (2) for sealing between 3) and body (21)
In the weather strip (1) having a hollow portion (18) provided in the mounting portion (2), the mounting portion on the sash portion (11) side with respect to the welding portion (15).
At the bottom of (2), there is provided a water passage hole (6) communicating the mounting groove (12) of the sash portion (11) and the hollow portion (18) of the mounting portion (2). 6) The side of the weld (15) and the water hole
A bead (5) is protruded at a position adjacent to (6),
The weatherstrip (1), wherein water transmitted through the mounting groove (12) does not flow into the welding portion (15) but flows through the hollow portion (18). 2. The mounting portion on the side of the door panel portion (16).
(2) At the bottom of the hollow part (18) and the door panel part (16)
By providing a drain hole (7) communicating with the mounting groove (17), water flowing through the hollow portion (18) without flowing through the welded portion (15) is drained by the drain hole (7). The weatherstrip (1) according to claim 1, characterized in that the weatherstrip is drained from the water.
.