JP2004136721A - Mounting structure of weather strip - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mounting structure of a weather strip mountable at an opening edge of a door, etc. of an automobile body without using a both-side adhesive tape by reducing weight by saving core metal. <P>SOLUTION: This weather strip A is constituted of a mounting part 1 having facing leg parts 1a and 1b to form a substantial U-shape in cross section and mounted being inserted into a flange 6 at an opening edge of a vehicle body and a sponge rubber hollow sealing part 2 projectingly provided on a top part of the mounting part 1 on the leg part 1a at the inside of the vehicle. The leg part 1a at the inside of the vehicle is inserted between the flange 6 and an interior material 4 arranged side by side with the flange 6 by projectingly providing lips 1c to sides on both sides. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a weather strip attached to an opening edge of a door, a trunk, a back door, and the like (hereinafter, referred to as a “door etc.”) of an automobile body, and a mounting structure thereof.
[0002]
[Prior art]
As shown in FIG. 4, this type of weather strip has a substantially U-shaped mounting portion 22 made of solid rubber which is inserted into a flange 21 at the opening edge of the main body, and protrudes from the top of the mounting portion 22. And a hollow sealing portion 23 made of sponge rubber for elastically contacting the door or the like when the door or the like is closed and sealing between the door and the like. The mounting portion 22 holds the flange 21 by sandwiching the flange 21 inside. 5, a solid rubber substantially U-shaped mounting portion 27 which is inserted into a flange 26 at the door opening edge and is mounted on the side surface of the mounting portion 27, as shown in FIG. When the door or the like is closed, it is formed of a sponge rubber hollow seal portion 28 which resiliently contacts the door or the like and seals between the door and the like. The mounting portion 27 has a flange 26 sandwiched inside. Hold Such as is known of the type which projects a 29-up.
[0003]
Cores 25 and 30 are inserted into the mounting portions 22 and 27 to maintain the shape of the mounting portions. However, in order to reduce the weight of the weatherstrip, double-sided adhesive tape is used with the mounting portions being flanged and the mounting portions being omitted. Some are also known to be attached. In the figure, 31 and 32 denote interior materials, and 33 and 34 denote lips that cover the interior material ends.
[0004]
FIG. 6 shows an example of the former type shown in FIG. 4 which is adhered using a double-sided adhesive tape. The outer side of the mounting portion 36 of the weather strip 39 is formed to have a substantially triangular cross section, and the bottom surface thereof is a body panel. 37 is attached by a double-sided adhesive tape 38.
[0005]
[Problems to be solved by the invention]
If the core is omitted and it is adhered with double-sided adhesive tape, the weather strip can be reduced in weight because there is no core, but release paper is affixed to the double-sided adhesive tape. After the weather strip is applied, the release paper that has been peeled off is discarded, causing waste of the release paper. When the weather strip cannot be re-attached and there is a sharply bent corner R as shown in FIG. 7 at the place where the weatherstrip is attached, such attachment to the corner R requires the followability of the double-sided adhesive tape. Bad, and it is difficult to stick when there is a wide angle of the mounting surface of the car body, and when opening and closing the door etc., it hits the door etc. as shown by the arrow in FIG. If the taper part 40 tends to fall right and left, and falls rightward as shown by the arrow in FIG. 8, the double-sided adhesive tape 34 is peeled off from the body panel 37 and the weather strip 31 comes off. was there.
[0006]
An object of the present invention is to provide a weather strip which can be attached to an opening edge of a door or the like of an automobile body without using a double-sided adhesive tape and which is lightweight without a metal core, and an attachment structure thereof.
[0007]
[Means for solving the problem]
The invention according to claim 1 has an attachment portion which has a substantially U-shaped cross section having opposed leg portions, is attached to a flange at an opening edge of a vehicle body and is attached thereto, and is formed integrally with the attachment portion, and is provided on a door or the like. A weather strip attached to an opening edge of a door or the like of an automobile main body, the seal portion being in contact with and sealing a gap between the door and the like. It is characterized by being inserted and held between the interior materials arranged side by side.
According to the present invention, the weatherstrip is attached by holding the outer leg portion between the flange and the interior material.
[0008]
The invention according to a second aspect is characterized in that, in the invention according to the first aspect, a lip for retaining is projected from a leg portion inside the vehicle.
According to the present invention, the legs on the inside of the vehicle function as anchors to prevent the vehicle from coming off.
The lip in the present invention may be provided on only one side of the leg portion, but is preferably provided on both sides so as to be pressed against the flange and the interior material.
[0009]
The invention according to claim 3 relates to the mounting structure of the weather strip according to the invention according to claim 2, characterized in that a recessed portion in which the retaining lip is fitted is formed on a leg side of the interior material.
According to the present invention, the lip is fitted into the concave portion, so that the weather strip can be more reliably prevented from coming off.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
FIG. 1 shows a mounting portion 1 made of solid rubber, which has a substantially U-shaped cross section having opposed leg portions 1a and 1b, and is inserted into a flange 6 at an opening edge of a vehicle body, and a leg portion 1a on the inner side of the vehicle. It consists of a sponge rubber hollow seal portion 2 protruding from the top of the mounting portion, and the leg 1a on the inside of the vehicle has lips 1c protruding laterally on both sides thereof. It is designed to be inserted and held between the interior materials 4 arranged side by side. As shown, the lip 1c has a tip made of sponge rubber and a root made of solid rubber.
[0011]
In the figure, 1d is a sponge rubber lip that covers the upper end of the interior material 4, and 1e and 1f are sponge rubber seal lips that elastically contact the body panel 5.
FIG. 2 shows a mounting section 11 made of solid rubber, which has a substantially U-shaped cross-section having opposing legs 11a and 11b like the weather strip shown in FIG. A sponge rubber hollow seal portion 12 is formed on the outer leg portion 11b so as to protrude laterally. The inner leg portion 11a has lips 11c protruding laterally on both sides, and a flange 16 is formed. And the interior material 13 arranged side by side with the flange 16. Here, the tip of the lip 11c is made of sponge rubber and the base is made of solid rubber as shown in the figure.
[0012]
In the figure, 11d is a sponge rubber lip that covers the upper end of the interior material 14, and 11e and 11f are sponge rubber seal lips that elastically contact the body panel 15.
According to the weather strips of the above-described embodiments, which are generally denoted by reference numerals A and B, the solid rubber legs 1a and 11a having the lips 1c and 11c protruding on both sides are formed between the flanges 6 and 16 and the interior materials 4 and 13. It is inserted between and serves as an anchor and is held.
[0013]
FIG. 3 shows another embodiment of the mounting structure of the weather strips A and B. The interior material 13 has a concave portion 14 into which the lip 1c or 11c is fitted, and the concave portion 14 has the lip 1c or 11c. The fitting prevents the leg 1a or 11a from falling off.
[0014]
According to the present embodiment, the weather strips A and B are prevented from coming off by fitting the lip 1c or 11c into the concave portion 14 of the interior material 13.
In the above embodiment, an example in which solid rubber and sponge rubber are used as the material of the weather strip has been described. However, foamed resin may be used instead of sponge rubber, and non-foamed resin may be used instead of solid rubber.
[0015]
In the above-described embodiment, the lip 1c, 11c has an example in which the tip portion is made of sponge rubber and the root portion is made of solid rubber. However, the entire lip 1c, 11c may be made of sponge rubber. The entire lips 1c and 11c may be made of solid rubber.
Although only the example in which the lips 1d and 11d are entirely made of sponge rubber is shown, a part or the whole may be made of solid rubber.
[0016]
【The invention's effect】
According to the invention according to claim 1, since the leg portion is inserted and held between the flange and the interior material, a weather strip is used at the opening edge of the door or the like using a core bar or a double-sided adhesive tape. In addition, the weather strip can be reduced in weight due to the absence of the metal core, and the above-mentioned problem that occurs when the double-sided adhesive tape is used can be solved.
[0017]
In the invention according to claim 2, since the lip is provided so as to protrude to the side, the lip is pressed against the flange and / or the interior material, and the leg functions as an anchor and is held.
In the invention according to claim 3, by fitting the lip into the recess of the interior material, the weather strip is prevented from coming off, and the weather strip can be held more reliably.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view illustrating one embodiment of a weather strip.
FIG. 2 is a sectional view showing another embodiment of the weather strip.
FIG. 3 is an enlarged sectional view of a main part showing a mounting structure of a weather strip.
FIG. 4 is a cross-sectional view of a conventional weatherstrip.
FIG. 5 is a sectional view showing another embodiment of the conventional weatherstrip.
FIG. 6 is a sectional view showing still another embodiment of the conventional weatherstrip.
FIG. 7 is a schematic diagram showing a trunk opening edge.
FIG. 8 is a sectional view showing a state in which the weather strip shown in FIG. 6 is floating.
[Explanation of symbols]
1, 11, mounting portions 1a, 1b, 11a, 11b, legs 1c, 1d, 11c, 11d, lips 1e, 1f, 11e, 11f, seal lips 2, 12, hollow seal portions 4 , 13..Interior material 5,15..Body panel 6,16..Flange 14.

Claims (3)

Attachment portions 1 and 11 having opposite leg portions 1a, 1b, 11a and 11b, having a substantially U-shaped cross section, and being inserted and attached to flanges 6 and 16 at the opening edges of the vehicle body. A sealing structure for a weather strip attached to an opening edge of a door or the like of an automobile body, the sealing structure having seal portions 2 and 12 which are integrally formed and elastically contact the door or the like to seal between the door and the like. The weatherstrip is characterized in that legs 1a, 11a on the inside of the vehicle are inserted and held between the flanges 6, 16 and the interior materials 4, 13 juxtaposed to the flanges 6, 16. Mounting structure. The weatherstrip mounting structure according to claim 1, wherein lips (1c, 11c) for retaining are protruded laterally from the legs (1a, 11a) inside the vehicle. The weather strip mounting structure according to claim 2, wherein a concave portion (14) in which the retaining lip (1c, 11c) is fitted is formed in the interior material (4, 13).

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