JP4453549B2 - Vehicle door seal structure - Google Patents

Description

  The present invention relates to a seal structure for a vehicle door that opens and closes a door opening formed in the vehicle, and particularly relates to a door provided with a resin panel.

A vehicle door that opens and closes a door opening formed in the vehicle has an opening that is used when various types of equipment are mounted inside the door. This opening part is a resin panel member (hereinafter referred to as “resin panel”) as described in Patent Document 1, or when the opening is closed with a sheet material such as vinyl from the vehicle interior side after mounting the equipment. May be blocked.
In the configuration described in Patent Document 1, a resin panel is mounted on the inner panel, and a seal member is disposed on the joint surface between the resin panel and the inner panel to prevent water and dust from entering the inner panel (inside the door). Prevents intrusion. A weather strip is generally disposed between the door and the door opening in order to ensure sealing performance.

JP 2003-72381 A

In the configuration described in Patent Document 1, since the seal member and the weather strip disposed on the joint surface of the resin panel and the inner panel are individually configured, the number of parts is large and the number of work steps at the time of assembly is increased. .
An object of this invention is to provide the sealing structure of the vehicle door which can reduce a number of parts and can reduce an assembly man-hour.

In order to achieve the above object, in a vehicle door seal structure according to the present invention, an inner panel of a door that opens and closes a door opening formed in a vehicle body, and a joint between a body outer panel and a body inner panel positioned at the door opening. An edge trim formed of rubber or sponge attached to the flange, a resin panel that closes the opening formed in the inner panel from the passenger compartment side, and a weather strip that seals between the inner panel and the edge trim. The resin panel is shaped along the door opening, the weather strip is attached to the edge of the resin panel, and it is placed between the inner panel and the edge trim. The lower edge of the resin panel edge is , Positioned below the edge of the door trim that is arranged inward in the vehicle width direction from the resin panel, and on the door opening edge side of the lower edge of the door trim Extending weatherstrip is characterized by being configured to integrally seal and between the resin panel and the edge trim and the inner panel and the resin panel below the door trim.
The vehicle door seal structure according to the present invention is characterized in that the edge of the resin panel extends closer to the door opening edge than the joint with the inner panel in order to further improve the sealing performance .

According to the present invention, the resin panel is shaped along the door opening formed in the vehicle body, and the weather strip that seals between the inner panel and the vehicle body in the vicinity of the door opening is attached to the edge of the resin panel. The weather strip can seal between the inner panel and the vehicle body near the door opening, and between the inner panel and the resin panel, reducing the number of parts, reducing the number of assembly steps, and reducing costs. Can do.
According to the present invention, since the edge of the resin panel extends closer to the door opening edge than the joint between the resin panel and the inner panel, it is possible to reliably prevent water and dust from entering the joint. .
According to the present invention, since the edge of the resin panel extends closer to the door opening edge than the edge of the door trim disposed in the vehicle width direction from the resin panel, the sealing property between the door trim and the door opening And the sealing performance between an inner panel and a resin panel can be ensured.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
In FIG. 1, the code | symbol 1 shows the vehicle body 1 in which a compartment is formed. Door openings 3 for getting in and out of the passenger compartment and for loading and unloading luggage are respectively formed on the side and rear of the vehicle body 1. Each door opening 3 is provided with a door 4 for opening and closing the door opening. In this embodiment, the following description will be continued by taking the door opening on the front side of the vehicle body and the door 4 for opening and closing the door opening as an example.

  As shown in FIG. 2, a joint flange 7 of a side sill outer 5 as a body outer panel and a side sill inner 6 as a body inner panel is disposed over the entire inner surface 3 a of the door opening 3. An edge trim 8 made of rubber or sponge is attached to the joining flange 7. A metal scuff plate 9 may be attached to the inner side surface 3 a located below the door opening 3.

  The door 4 is formed in a bag shape by joining a metal outer panel 41 and an inner panel 42. The inner panel 42 is formed with an opening 43 for accommodating equipment such as a window regulator inside the door. A resin panel 44 that closes the opening 43 from the passenger compartment side is attached to the inner panel 42 by being fastened by a fastening member 45 such as a bolt or a screw.

Plastic panel 44, as well is formed in a shape along the door opening 3, as shown in FIG. 1, it is sized to close the opening 43 throughout the inner panel 42. The edge portion 44A of the resin panel 44 extends to the vicinity of the door opening edge side portion 42A rather than the joint portion between the inner panel 42 and the resin panel 44. The edge portion 44A of the resin panel 44 is formed such that a gap 46 is provided between the edge portion 44A of the resin panel 44 and the door opening edge side portion 42A of the panel when mounted on the inner panel 42.

The edge 44A of the resin panel 44 serves to seal between the door 4 and the door opening 3, the first weather strip's having elasticity to be sealed between the edge 44A and the inner panel 42 of the resin panel 44 The top 47 is mounted so as to be positioned in the gap 46.

The weather strip 47, forms the first portion 47A sponge rubber which faces the edge trim 8 to the closed door 4, a second portion 47B which is attached to the edge portion 44A of the resin panel 44 with solid rubber Has been. An air gap 48A is formed in the first portion 47A, and when the door 4 is closed and pressed against the edge trim 8, the air gap 48A is elastically deformed to be crushed and pressed against the edge trim 8. Similarly, a gap 48B is formed in the second portion 47B. When the resin panel 44 is attached to the inner panel 42 and pressed against the inner surface 42A of the inner edge of the inner panel 42, the gap 48B is elastically deformed and crushed. It is configured to seal between the inner panel 42 and the resin panel 4 4.

  A door trim 49 is mounted on the inner side of the resin panel 44 in the vehicle width direction. The door trim 49 decorates the indoor side of the door 4 and prevents the fastening portion (fastening member 45) between the inner panel 42 and the resin panel 44 from being seen. Reference numeral 50 denotes a second weather strip that seals between the lower portion 42B of the door inner panel 42 and the side sill outer 5 when the door 4 is closed.

  In this way, the resin panel 44 is shaped along the door opening 3, and the weather strip 47 that seals between the inner panel 42 and the edge trim 8 of the vehicle body in the vicinity of the door opening is mounted on the edge 44 </ b> A of the resin panel 44. Therefore, it is possible to seal between the inner panel 42 and the edge trim 8 and between the inner panel 42 and the resin panel 44 with one weather strip 47. For this reason, it is not necessary to provide sealing members between the inner panel 42 and the edge trim 8 and between the inner panel 42 and the resin panel 44 as in the prior art, so the number of parts can be reduced and the number of assembly steps can be reduced. Cost reduction can be achieved.

  Since the edge portion 44A of the resin panel 44 is disposed closer to the door opening edge side than the joint portion (joint member 45) between the resin panel 44 and the inner panel 42, it is possible to reliably prevent water and dust from entering the joint portion. it can.

  Further, since the edge portion 44A of the resin panel 44 extends from the edge portion of the door trim 49 to the door opening edge side, the sealing property between the inner panel 42 and the vehicle body in the vicinity of the door opening, the inner panel 42 and the resin The sealing property between the panel 44 can be ensured.

  In the weather strip 47 shown in FIG. 2, a gap 48B is formed in the second portion 47B located between the resin panel 44 and the inner panel 42, and the gap 48B is crushed to seal, ie, shield between the two. However, instead of the gap 48B, a fin-like lip member 48C may be formed as shown in FIG. 3, and the lip member 48C may be elastically deformed to be sealed.

  As shown in FIG. 2, the weather strip 47 may be mounted on the edge 44 </ b> A of the resin panel 44 by forming the tip 44 </ b> C of the edge 44 </ b> A in an L shape and mounting the second portion 47 </ b> B. As shown in FIG. 3, the weather strip 47 may be formed in a U shape and mounted so as to be sandwiched by the edge 44 </ b> A from the opening side. Alternatively, as shown in FIG. 4, the double-sided tape 52 may be attached to the edge 44 </ b> A and the weather strip 47 may be attached from the outside.

  2 and 3, the first portion 47A and the second portion 47B of the weather strip 47 are formed of different members, that is, sponge rubber and solid rubber. However, as shown in FIG. It may be integrally molded with.

It is a side view showing one form of the door for vehicles to which the seal structure of the present invention was applied. It is an enlarged view of the AA cross section of FIG. 1 which shows the structure of the seal structure of this invention. It is an expanded sectional view which shows another form of the weather strip which is the principal part of the seal structure of this invention. It is an expanded sectional view which shows another form of the weather strip which is the principal part of the seal structure of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Car body 3 Door opening 4 Door 7 Car body in the vicinity of door opening 42 Inner panel 43 Inner panel opening 44 Resin panel 44A Resin panel edge 45 Coupling part 47 Weather strip

Claims (2)

An inner panel of a door that opens and closes a door opening formed in the vehicle body;
An edge trim formed of rubber or sponge mounted on a joint flange between the body outer panel and the body inner panel, located at the door opening;
A resin panel for closing the opening formed in the inner panel from the passenger compartment side;
A weather strip that seals between the inner panel and the edge trim;
The resin panel has a shape along the door opening, the weather strip is attached to the edge of the resin panel, and is disposed between the inner panel and the edge trim ,
The lower edge part of the edge part of the resin panel is located below the edge part of the door trim disposed on the inner side in the vehicle width direction from the resin panel, and is closer to the door opening edge side than the lower edge part of the door trim. Extending to
The weather strip is configured to integrally seal between the inner panel and the resin panel and between the resin panel and the edge trim below the door trim. Construction. In the vehicle door seal structure according to claim 1,
The vehicle door seal structure, wherein an edge portion of the resin panel extends closer to a door opening edge side than a joint portion with the inner panel.

Images