JP3129390B2 - Door seal structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door seal structure for preventing water from entering outside from a door opening of a vehicle.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 8, in a back door of a vehicle 8 such as an RV car or a van, a first door 81 provided below a door opening 80 and abutting against the first door 81. A back door having a structure including a second door 82 provided above the door opening 80 is also known.

As shown in FIG. 9, the first door 81 is disposed below the door opening 80, and is a door that is opened and closed in the front-rear direction with respect to the door opening 80 at a side portion thereof. The second door 82 is disposed above the door opening 80, and is a door that is opened and closed in the upper part with respect to the door opening 80.

As shown in FIG. 10, the first door 81 includes a door body including an outer panel 811 and an inner panel 812, and a door seal body 91 provided on an upper portion thereof.
It is composed of The door seal body 91 has outer seal portions 10 at both ends thereof, which are in contact with the second door 82 and the glass 99. Also, as shown in FIG.
The second door 82 includes a glass 99 and a frame 98 surrounding the outer periphery of the glass 99, and is attached to the door opening 80 by a damper 97 so as to be openable and closable.

[0005] As shown in FIG. 10, when the first door 81 is closed with respect to the door opening 80, the back surface of the outer seal portion 10 of the door seal body 91 has the opening provided in the door opening 80. It comes into contact with the weather strip 82. Further, the second door 82 is connected to the door opening 8.
When the door 99 is closed, the glass 99 comes into surface contact with the outer seal portion 10 of the door seal body 82.

[0006]

However, as shown in FIG. 10, the sealing structure of the back door has a glass 99, a door sealing body 91, and an opening weather strip 9.
There is a place where the two persons come into contact. This part has a large number of abutting parts. As a result, as shown in FIG. 11, a triangular gap 900 is generated at the portion where the three members come into contact due to manufacturing errors of these parts, and water from outside enters the room via the gap 900. There is a possibility that. Therefore, the sealing performance of the above-mentioned sealing structure is insufficient.

In order to improve the sealing performance of the above-mentioned sealing structure, it is conceivable to increase the accuracy of the alignment when assembling the parts. However, this increases the work of assembling parts.

The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a door seal structure in which water does not enter a vehicle interior and is easy to assemble.

[0009]

The invention according to claim 1 is provided behind a vehicle.
At the bottom of the girder door opening
A first door that is opened and closed in the front-rear direction of the door opening;
A Located above the opening, it opens and closes vertically in the door opening
With the second door being closed and after closing the first door
The second door is configured to be closed, and the door is opened.
The opening is provided with an opening weather strip,
The opening of the door opening above the first door
Door seal so that it comes into surface contact with the
Only comprising, a sealing structure of a back door, the opening weather strip, at least on the door seal body abutting portion has a hollow seal lip having a hollow portion, also, the hollow sealing lip , it its interior side and has a secondary seal lip in the longitudinal direction, is between them to have a water flow grooves to guide water leakage
Ri, the first door in the horizontal direction and then the second door under
When the second door covers the water channel,
Opening weather strip and door
The water that has entered the gap between the door seal
It is configured to be discharged through the water channel
Door seal structure .

The operation of the present invention will be described below. In the door seal structure of the present invention, the secondary seal lip is provided. Therefore, between the opening weather strip and the door seal body, i.e. the gap shown in FIG. 4 9
Water that has entered from 00 is first blocked by the secondary seal lip and does not flow into the room any more. As described above, in the door seal structure of the present invention, water does not enter the room.

Further, as described above, in the door seal structure of the present invention, water that has entered can be dammed by the secondary seal lip. For this reason, if the assembling error between the opening weather strip and the door seal body is large, the gap formed therebetween is large,
Even if a large amount of water enters the gap, no water enters the room. As described above, according to the seal structure of the present invention, assembling errors do not cause much problems, and assembling is easy.

Next, as in the second aspect of the present invention, the water flow groove has a drain port communicating with the hollow portion of the hollow seal lip portion. It is preferable to provide a water outlet for allowing the water to flow out. As a result, a flowing water groove is formed between the secondary seal lip and the hollow seal lip. For this reason, the water flows into the hollow hollow portion inside the hollow seal lip portion from the drain port provided in the flow channel, which runs through the flow channel.

Then, the water is discharged to the outside of the opening weather strip from a water outlet provided in another portion of the hollow portion of the hollow seal lip. As described above, the intruded water can be immediately discharged.
The outlet is open to the outside of the vehicle.

Next, it is preferable that the water outlet communicates with the hollow portion of the hollow seal lip at a position below the door opening. The opening weatherstrip covers the entire periphery of the door opening, and the lowermost part of the opening weatherstrip is a portion provided at a lower position of the door opening.

The water that has entered as described above flows into the hollow portion inside the hollow sealing lip of the opening weather strip, and flows to the lowermost portion of the hollow portion.
However, since the water outlet is provided at the lowermost portion of the hollow portion, water can be quickly discharged to the outside of the opening weather strip, that is, to the outside of the vehicle.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION

Embodiment Example Regarding a door seal structure according to an embodiment example of the present invention,
This will be described with reference to FIGS. As shown in FIGS. 1 to 4, the door sealing structure 100 includes an opening weather strip 2 attached to a door opening 80 (see FIGS. 8 and 9) of a vehicle 8 and the opening weather strip 2 inside a first door 81. The opening weather strip 2 has a hollow seal lip portion 21 having a hollow portion 210 at least in a portion that comes into contact with the door seal body 1. The door seal body 1 is disposed so as to be in surface contact with the weather strip 2. Have.

As shown in FIGS. 5 and 6, the hollow seal lip portion 21 has a secondary seal lip 22 on the inside of the room along the longitudinal direction, and a flowing water groove 220 for guiding water leakage therebetween. . The water flow groove 220 has a drain port 221 communicating with the hollow part 210 of the hollow seal lip part 21. Further, as shown in FIG. 7, the hollow seal lip portion 21 is provided with a water outlet 219 for allowing the inflow water to flow out. The water outlet 219 is provided at a lower portion of the opening weather strip 2 and opens outside the vehicle.

As shown in FIGS. 8 and 9 described above, the door seal structure 100 is adapted to a back door of the vehicle 8 including a first door 81 and a second door 82.
The first door 81 is disposed below the door opening 80, and is a door that is opened and closed in the front-rear direction of the door opening 80 on a side portion thereof. The second door 82 is disposed above the door opening 80, and is a door which is opened and closed in the upper and lower directions of the door opening 80.

As shown in FIG. 4, the first door 81 comprises a door body composed of an outer panel 811 and an inner panel 812, and a door seal 1 provided on the upper part thereof. The door seal body 1 has outer seal portions 10 (see FIG. 9) at both ends. Second door 8 above
2 denotes a glass 99 and a frame 98 surrounding the outer periphery of the glass 99
(See FIG. 9).

As shown in FIGS. 1-4, the first door 8
When the door 1 is closed with respect to the door opening 80, the back surface of the outer seal portion 10 of the door seal body 1 comes into contact with the opening weather strip 2 provided in the door opening 80. When the second door 82 is closed with respect to the door opening 80, the glass 99 comes into surface contact with the sealing surface of the outer seal portion 10 of the door seal body 1.

As shown in FIG. 1, the outer seal portion 10
Has an outer seal lip 11 on the outdoor side, an inner seal lip 12 on the indoor side, and a lower lip 13 connecting the lower portions of both seal lips. Also, FIG.
As shown in FIG. 4, the outer seal part 10 has a hollow part 109 inside.

As shown in FIGS. 5 and 6, the opening weather strip 2 includes the door seal body 1, a hollow seal lip 21 abutting on the glass 99, and a weld 23 attached to the door opening 80. The hollow seal lip portion 21 has a hollow portion 210 having a square cross section inside. The weld portion 23 has a U-shaped cross section and incorporates a reinforcing core 230. The weld 23 has a plurality of lips 231 to 235.

Next, the operation and effect of this embodiment will be described. In the door seal structure 100 of the present embodiment, the secondary seal lip 22 is provided. Therefore, the water that has entered between the opening weather strip 2 and the door seal body 1, that is, from the gap 900 shown in FIG. 4, is first blocked by the secondary seal lip 22, and does not flow into the room any more. Further, the secondary seal lip 2
A running water groove 220 is formed between the hollow seal lip 2 and the hollow seal lip 21. For this reason, the water flows into the hollow part 210 in the hollow seal lip part 21 from the drainage port 221 provided in the water flow groove 220 when the water flows through the water flow groove 220.

Then, the water is discharged to the outside of the opening weather strip 2 from a water outlet 219 provided at another position of the hollow portion 210 of the hollow seal lip portion 21. Further, as described above, in the door seal structure 100 of the present embodiment, the water that has entered can be dammed by the secondary seal lip 22, and the water can easily flow out to the outside. For this reason, if the opening weather strip 2 and the door seal body 1 are assembled incorrectly, the positioning is inaccurate, the gap 900 formed therebetween is large, and a larger amount of water has entered the gap 900. Even so, water does not enter the room.

[0025]

As described above, according to the present invention, it is possible to provide a door seal structure in which water does not enter the room and can be easily assembled.

[Brief description of the drawings]

FIG. 1 is a perspective view of a door seal structure according to an embodiment.

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

FIG. 3 is a sectional view taken along the line BB in FIG. 1;

FIG. 4 is a sectional view taken along the line CC in FIG. 1;

FIG. 5 is a perspective view of a main part of an opening weather strip in the embodiment.

FIG. 6 is a sectional view taken along the line DD in FIG. 5;

FIG. 7 is a perspective view of a main part of an opening weather strip in the embodiment.

FIG. 8 is a rear perspective view of a vehicle in a conventional example.

FIG. 9 is a rear perspective view of a conventional example in a state where a back door of a vehicle is opened.

FIG. 10 is a longitudinal sectional view of a conventional door seal structure.

FIG. 11 is an enlarged sectional view of a main part of a door seal structure in a conventional example.

[Explanation of symbols]

 1. . . Door seal body, 100. . . 1. seal structure, . . Opening weather strip, 21. . . Hollow seal lip, 210. . . Hollow part, 219. . . Water outlet, 22. . . Secondary seal lip, 220. . . Running gutter, 221. . . 7. drain, . . Vehicle, 80. . . Door opening,

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) B60J 5/10 B60J 10/08 B60R 13/06

Claims (3)

(57) [Claims] (1)In the door opening located behind the vehicle
And is located below the door opening and is located in front of and behind the door opening.
Door that opens and closes in the opposite direction and is located above the door opening
And a second door that is opened and closed in the vertical direction of the door opening.
Closing the second door after closing the first door
So that Opening weather strips at the door openings
The first door has the door opening
Make sure that the door is in face contact with the
Back door seal structure
hand,  The opening weather strip shall be at least
Hollow with a hollow part at the part that contacts the door seal
Has seal lip, Also, The above hollow seal lip shall be
With a secondary seal lip along the
IsHas a flow channel to guide water leakageAnd Put the first door sideways, then the second door down
When closed, the second door covers the water channel and
Opening weatherstrip and first door in door opening
The water that has entered the gap between the
Characterized in that it is configured to be discharged through the groove
Door seal structure. 2. The water flow groove according to claim 1, wherein the water flow groove has a drain port communicating with the hollow portion of the hollow seal lip portion, and the hollow seal lip portion has a drain port for discharging the inflowing water to the outside. A door seal structure characterized by a water outlet. 3. The door sealing structure according to claim 1, wherein the water outlet communicates with a hollow portion of the hollow seal lip at a position below the door opening.