JPH08142673A - Drainage structure of door for automobile - Google Patents

Abstract

PURPOSE: To reduce a black line made on an outside surface of a lower part of a car body by providing a seal member along the longitudinal direction, forming an end part hollow by a drainage opened to a lower part space and arranging a communicating hole communicating a drain hole and the drainage to each other below the drain hole. CONSTITUTION: A parting seal 12 to seal a lower part space 22 formed between a lower edge part and an outside surface of a door main body 4 is held along the lower edge of the door main body 4. The parting seal 12 is provided along the longitudinal direction, and its end part is formed hollow by a drainage 12b opened to the lower part space 22. Additionally, a communicating hole 12c provided in the middle of the drainage 12b and a drain hole 9 positioned above the parting seal 12 are communicated to each other. Consequently it is possible to reduce a black line made on an outside surface of a lower part of a car body to the utmost and to minimize a cause to stain clothes, etc., at the time when an occupant gets on and off an automobile.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle door drainage structure for draining rainwater or the like that has entered the space inside the door body.

[0002]

2. Description of the Related Art As an automobile equipped with this type of drainage structure, there is, for example, the one shown in FIG.

In FIG. 3, the door opening 2 of the vehicle body 1 is provided so as to be opened and closed by a door 3 as shown in FIG. This door 3 has a door body 4 as shown in FIG.
And the door sash 3a provided on the upper part of the door body 4.
And a windshield panel (door glass) 5 that opens and closes a window portion 3b formed between the door body 4 and the door sash 3a.

The door body 4 is provided with an inner panel 6 and an outer panel 7 as shown in FIGS. 3 (b) and 3 (c), and an upper end is provided between the inner panel 6 and the outer panel 7. A space 8 having a slit-like opening is formed. Moreover, in the space 8, the windshield panel 5
Is held by an elevating device (not shown) so as to project and retract from the slit-shaped upper opening 8a of the space 8 with respect to the window 3b.

In the upper opening 8a of the space 8, dust and rainwater are elastically contacted with the windshield panel 5 and the space 8 is covered.
Sealing members S1 and S2 are provided to prevent entry into the inside. In addition, a wax for rust prevention is applied to the parts (not shown) in the space 8 and the inner surfaces of the panels 6 and 7.

The inner panel 6 includes a first vertical wall 6a and a first horizontal wall 6 extending from the lower edge of the vertical wall 6a to the outer panel 7 side.
b and the second vertical wall 6 extending downward from the outer edge of the first horizontal wall 6b.
c, a second horizontal wall 6d extending from the lower edge of the second vertical wall 6c toward the outer panel 7 side, and a third vertical wall 6e extending from the outer edge of the second horizontal wall 6d toward the lower edge portion of the outer panel 7.

A drain hole 9 for draining rainwater that has entered the space 8 is formed in the second lateral wall 6d.
As shown in FIG. 3 (a), a plurality of drain holes 9 are formed to ensure drainage.

The lower edge of the door opening 2 is formed by a side sill 10 which is a part of the vehicle body 1 as shown in FIGS. 3 (a) and 3 (b). As shown in FIG. 3B, the side sill 10 includes an upper surface 10 a which is a lower edge of the door opening 2 and a door body 4.
It has an outer side surface 10b facing the lower edge portion and an outer side surface 10c extending so as to be flush with the curved surface of the outer panel 7. A corner portion 10d is formed between the upper surface 10a and the outer surface 10b of the side sill 10.

Moreover, a weather strip 11 extending in the front-rear direction is fixed to a corner portion of the first horizontal wall 6b and the second vertical wall 6c of the inner panel 6, and a parting seal extending in the front-rear direction is formed in a lower portion of the second vertical wall 6c. 12 is fixed by a clip 13. The parting seal 12 is provided mainly for sound insulation.

In such a construction, when the door opening 2 is closed by the door 3, the weather strip 11 makes elastic contact with the corner portion 10d of the side sill 10 and the seal lip 12a of the parting seal 12 makes elastic contact with the outer surface 10b. Therefore, rainwater and noise from the outside are prevented from entering the vehicle interior 14.

As a technique similar to such a drainage structure, there is a water draining structure for an automobile door as disclosed in Japanese Patent Laid-Open No. 4-297322.

[0012]

By the way, as described above, the seal for elastically contacting the windshield panel 5 to prevent dust and rainwater from entering the space 8 at the upper opening 8a of the space 8. Members S1 and S2 are provided.

However, even if such seal members S1 and S2 are provided, it is not possible to completely prevent rainwater from entering the space 8. Therefore, in order to drain the rainwater that has invaded, the above-described method is used. A drain hole 9 is provided in the door body 4.

However, when this rainwater is drained, dust accumulated in the space 8 and part of the dirty rust-preventing wax flow out from the drain hole 9 together with the rainwater, and the side sill 1
A black line 15, which is a stain, was formed on a portion of the outer side surface 10c of 0 corresponding to the plurality of drain holes 9, which was a cause of impairing the appearance.

In addition, this dirt is not preferable because it makes it easy for an occupant to get on the clothes when getting on and off, which causes the clothes to become dirty.

[0016] Therefore, an object of the present invention is to provide a drainage structure for an automobile door in which such black lines are reduced as much as possible to improve the appearance and reduce the cause of stains on clothes. .

[0017]

In order to achieve this object, the invention of claim 1 elastically contacts the outer surface of the vehicle body forming the lower edge of the door opening of the vehicle body, and the lower edge portion of the door body and the A seal member that seals a lower space formed between the outer surface and the outer side surface is held along the lower edge of the door body, and a drain hole for draining rainwater that has entered the space inside the door body. In the drainage structure for an automobile door, which is provided in a portion of the inner surface of the lower edge portion of the door body corresponding to the outer surface, the sealing member is provided along the longitudinal direction, and the end portion is opened to the lower space. It is formed in the hollow by the drainage channel and is arranged below the drainage hole,
A drainage structure for an automobile door is provided, in which a communication hole that communicates the drainage hole and the drainage path is provided.

The invention according to claim 2 is characterized in that the seal member is held by the door body by a clip inserted into the drainage hole.

[0019]

According to this structure, after the rainwater which has entered the space of the door body flows into the drainage channel of the seal member, the rainwater is discharged from the end of the seal member between the lower edge of the door body and the outer surface of the vehicle body. It will be drained to the lower space formed in.

[0020]

Embodiments of the present invention will be described below with reference to FIGS.

<First Embodiment> FIG. 1 shows a first embodiment of the present invention.

In FIG. 1 (a), 1 is a vehicle body, 2 is a door opening of the vehicle body, and 3 is a door for opening and closing the door opening 2. The door 3 includes a door body 4 and a door body 4
And a windshield panel (door glass) 5 that opens and closes a window portion 3b formed between the door body 4 and the door sash 3a.

As shown in FIGS. 1 (b) and 1 (c), the door body 4 is provided with an inner panel 6 and an outer panel 7, and between the inner panel 6 and the outer panel 7. A space 8 having a slit-shaped upper end is formed. Moreover, in the space 8, the windshield panel 5
Is held by an elevating device (not shown) so as to project and retract from the slit-shaped upper opening 8a of the space 8 with respect to the window 3b.

In the upper opening 8a of the space 8, dust and rainwater are elastically contacted with the windshield panel 5 and the space 8 is protected.
Sealing members S1 and S2 are provided to prevent entry into the inside. In addition, a wax for rust prevention is applied to the parts (not shown) in the space 8 and the inner surfaces of the panels 6 and 7.

The inner panel 6 includes a first vertical wall 6a and a first horizontal wall 6 extending from the lower edge of the vertical wall 6a to the outer panel 7 side.
b and the second vertical wall 6 extending downward from the outer edge of the first horizontal wall 6b.
c, a second horizontal wall 6d extending from the lower edge of the second vertical wall 6c to the outer panel 7 side, and a third vertical wall 6e extending from the outer edge of the second horizontal wall 6d toward the lower edge portion of the outer panel 7. The outer panel 7 has a third vertical wall 6e at the lower edge.
Has a hemming portion 7a.

A drain hole 9 for draining rainwater that has entered the space 8 is formed in the second lateral wall 6d.
As shown in FIG. 1A, a plurality of drain holes 9 are formed to ensure drainage.

The lower edge of the door opening 2 is formed by a side sill 10 which is a part of the vehicle body 1. This side sill 1
As shown in FIG. 1 (b), 0 is the upper surface 10a that is the lower edge of the door opening 2 and the outer surface 10b that faces the lower edge of the door body 4.
And an outer surface 10c extending so as to be flush with the curved surface of the outer panel 7. A corner portion 10d is formed between the upper surface 10a and the outer surface 10b of the side sill 10.

Moreover, weather strips 11 extending in the front-rear direction are fixed to the corner portions of the first horizontal wall 6b and the second vertical wall 6c of the inner panel 6. The upper wall a and the side wall b of the parting seal 12 (sealing member) disposed below the drainage hole 9 are fixed to the second lateral wall 6d and the hemming portion 7a with double-sided tapes 20 and 21. .

The parting seal 12 integrally has a seal lip 12a extending in the longitudinal direction, and also extends in the longitudinal direction and has drainage channels 1 open at both ends.
It is formed hollow by 2b. Further, the upper wall a of the parting seal 12 is formed with communication holes 12c corresponding to the plurality of drainage holes 9 described above, and the tape 20 is formed with notches 20a corresponding to the communication holes 12c. .

Moreover, both ends of the drainage channel 12b are opened to the lower space 22 formed between the door body 4 and the side sill 10. Parting seal 1
2 is provided mainly for sound insulation. In addition, each drainage hole 9 is communicated with each drainage hole 12b through each communication hole 12c and the notch 20a.

Next, the operation of such a drainage structure will be described.

In such a construction, when the door opening 2 is closed by the door 3, the weather strip 11 makes elastic contact with the corner portion 10d of the side sill 10 and the seal lip 12a of the parting seal 12 makes elastic contact with the outer surface 10b. Therefore, rainwater and noise from the outside are prevented from entering the vehicle interior 14. At this time, the seal lip 12a makes elastic contact with the lowermost edge of the outer surface 10b at a position close to the outer surface 10c to block the lower space 22 from the outside. Invasion and adhesion to the outer side surface 10b are prevented in advance. This allows
Dust, which causes stains on clothes when an occupant gets on and off, is unlikely to adhere to the outer surface 10c.

On the other hand, as described above, the seal members S1 and S2 are provided at the upper opening 8a of the space 8 to elastically contact the windshield panel 5 and prevent dust and rainwater from entering the space 8. ing. These seal members S1 and S2
This prevents rainwater from entering the space 8.
Part of the rainwater may enter the space 8.

Rainwater that has entered the space 8 is drained 9
Flows into the drainage channel 12b of the parting seal 12, is discharged into the lower space 22 from both ends of the drainage channel 12b, and then is discharged to the outside through the outer surface 10c of the side sill 10.

Therefore, conventionally, when the rainwater is drained from the drainage hole 9, a part of the dirty rust preventive wax in the space 8 flows out from the drainage hole 9 together with the rainwater, and a plurality of outer surfaces 10c of the side sills 10 are provided. Black line 1 on the part corresponding to the drain hole 9 of
However, according to the present invention, the number of black lines 15 formed on the outer side surface 10c during drainage is much smaller than that of the prior art, and the appearance of the black line 15 is much less than that of the prior art. Less.

<Second Embodiment> FIG. 2 shows a second embodiment of the present invention. In this embodiment, instead of the double-sided tape 20 in the first embodiment, the upper wall a and the second lateral wall portion 6c of the parting seal 12 are formed by a clip 23 having a U-shaped planar shape and a U-shaped cross section. You may make it hold and fix.

[0037]

As described above, the invention of claim 1 is a seal for sealing a lower space formed between an outer surface of a vehicle body forming a lower edge of a door opening of a vehicle body and a lower edge portion of a door body. A member is provided, a drainage channel is provided in the seal member along the longitudinal direction, and both ends thereof are open to the lower space. The drainage channel is provided below the drainage hole, and the drainage hole and the drainage channel are communicated with each other. Since the communication hole is provided, the black line formed on the outer surface of the lower part of the vehicle body can be reduced as much as possible by the rust preventive wax or the like flowing out from the drain hole at the lower part of the door body together with the rainwater. As a result, the cause of soiling of clothes and the like when an occupant gets on and off is reduced.

Further, according to the invention of claim 2, since the seal member is held by the door main body by the clip inserted through the drain hole, the mounting hole for the clip is held in order to hold the seal member on the door main body. There is no need to separately provide the door body.

[Brief description of drawings]

1A is a side view of an automobile having a drainage structure for an automobile door according to the present invention, FIG. 1B is a sectional view taken along line AA of FIG. 1A, and FIG. Sectional drawing which follows the BB line, (d) is a partial perspective view of the parting seal of (a) and (b).

FIG. 2 (a) is a cross-sectional view of an essential part showing a second embodiment of a vehicle door drainage structure according to the present invention, (b) is a partial perspective view of the parting seal of (a), and (c) is. (a) is a perspective view of the clip, (d) is a sectional view taken along the line C-C of (a).

FIG. 3A is a side view of a vehicle having a conventional vehicle door drainage structure, and FIG. 3B is a sectional view taken along line D-D of FIG.
(c) is sectional drawing which follows the EE line of (a).

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Car body 2 ... Door opening 4 ... Door body 9 ... Drainage hole 10 ... Side sill 10b ... Outer surface 12 ... Parting seal (seal member) 12b ... Drainage channel 22 ... Lower space

Claims (2)

[Claims] 1. A seal member elastically contacting an outer surface of a vehicle body forming a lower edge of a door opening of the vehicle body to seal a lower space formed between the lower edge portion of the door body and the outer surface. While being held along the lower edge of the door body, a drain hole for draining rainwater that has entered the space inside the door body is provided at a portion corresponding to the outer surface of the inner surface of the lower edge of the door body. In a provided drainage structure for an automobile door, the seal member is provided along the longitudinal direction and has an end portion formed in a hollow by a drainage passage opened to the lower space, and is located below the drainage hole. A drainage structure for an automobile door, wherein a drainage hole is provided to connect the drainage hole and the drainage path. 2. The seal member is held on the door body by a clip inserted into the drainage hole.
The drainage structure for automobile doors described in.