JP2008254547A - Mounting structure of weather strip for automobile - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a product easy to mount, securely mounted, and not requiring burying of a core metal in a mounting structure of a weather strip which is mounted to a rear door provided with a decoration member on an outdoor side above a belt line of the automobile and seals the gap against a front door. <P>SOLUTION: The mounting structure of the weather strip for the automobile is provided with: a mounting base part 10 of an approximately U shape cross section mounted to a flange 3 formed on a front end part of the rear door 2 provided with a decoration member 4 on an outdoor side so as to be forwardly extended above the belt line BL of the automobile, and having an indoor side sidewall part 12 and an outdoor side sidewall part 13 provided standingly from a bottom wall part 11; and a seal part 20 standingly provided on an approximately intermediate portion of the outdoor side sidewall part 13 of the mounting base part 10 and resiliently contacted with a rear end of the front door 5. A gap between both rear end parts of the indoor side sidewall part 12 and the outdoor side sidewall part 13 of the mounting base part 10 is narrowed to clamp a base part of the flange 3, and a claw part 14 engaged with the decoration member 4 is provided on an outdoor side of the rear end of the outdoor side sidewall part 13. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a weather strip mounting structure that is mounted on a rear door provided with a decorative member on the outside of a vehicle and that seals the front door above the belt line of the vehicle.

A weather strip is installed between the front door and the rear door above the belt line of the car to ensure the seal between the two doors, and a high-grade appearance is exhibited on the outside of the car on both doors. Are provided with decorative members such as garnishes, moldings, and covers (see, for example, Patent Documents 1 and 2).
JP 2003-291653 A JP 2005-47447 A

  However, in the weather strip (sealing material) described in Patent Document 1, a mounting hole is provided in the weather strip, and a protrusion erected from a molding fitted to the window glass is inserted into the mounting hole. Since mounting is performed by so-called thermal caulking that is deformed under pressure, there is a problem that the mounting operation is troublesome.

  In addition, the weather strip (parting seal) described in Patent Document 2 is attached by engaging its mounting base with the flange of the sash cover, and the sash cover is made of resin and does not necessarily have sufficient rigidity. There is a problem that the assembling force is insufficient.

In view of these points, as shown in FIGS. 5 and 6, a weather strip 30 in which a mounting base portion 31 having a substantially U-shaped cross section and a seal portion 32 are integrally formed is attached to the flange 3 formed at the front end portion of the rear door 2. The seal portion 32 is elastically brought into contact with the rear end portion of the front door 5 to seal between the doors 2 and 5.
A plurality of locking lips 33 and small protrusions 34 are provided on the inner surface of the mounting base 31 so as to be elastically contacted with the flange 3 and held by the flange 3. Further, a core bar 35 is embedded in the mounting base 31 in order to strengthen the assembling force with respect to the flange 3.

  However, since the weather strip 30 needs to embed the cored bar 35 in order to firmly attach the attachment base 31 to the flange 3, the weight strip 30 is heavy and does not match the trend of weight reduction of automobiles promoted in recent years. There is a problem.

  In consideration of these points, it is conceivable not to embed the cored bar 35 in the mounting base 31, but this is not preferable because the assembly force to the flange 3 is reduced.

  Accordingly, an object of the present invention is to provide a weather strip mounting structure that is attached to a rear door provided with a decorative member on the outside of the vehicle above the belt line of the automobile and seals between the front door. It is an object of the present invention to provide a product that can be easily and firmly attached and can be reduced in weight without the need to bury a cored bar.

In order to achieve the above object, the mounting structure for an automotive weather strip (1) according to claim 1 of the present invention is such that a decorative member (4) is provided on the outside of the vehicle above the belt line (BL) of the vehicle. It is attached to a flange (3) formed to extend forward at the front end of the rear door (2) provided, and the vehicle inner side wall (12) and the vehicle outer side wall (13) are connected from the bottom wall (11). An upright mounting base (10) having a substantially U-shaped cross section and a seal portion that stands on the vehicle outer side wall (13) of the mounting base (10) and elastically contacts the rear end of the front door (5) ( 20)
The vehicle inner side wall (12) and the vehicle outer side wall (13) of the mounting base (10) are narrowed between both rear ends to sandwich the base of the flange (3), and the vehicle outer side wall ( 13) A claw portion (14) that engages with the decorative member (4) is provided outside the rear end portion of the vehicle.

  Further, in the mounting structure for an automobile weather strip (1) according to claim 2, the decorative member (4) includes an outer surface portion (4a) substantially parallel to the rear door (2), and the outer surface portion (4a). A bent portion (4b) extending from the front end of the vehicle to the vehicle inner side, and the seal portion (20) includes a support portion (21) provided along the front surface of the bent portion (4b), A resilient contact portion (22) extending in an arc shape from the distal end portion of the support portion (21) toward the vehicle inner side, and the support portion (21) of the seal portion (20) and the claw portion (14) The bent portion (4b) of the decorative member (4) is sandwiched from the front and rear.

  Moreover, the mounting structure of the automotive weather strip (1) according to claim 3 is characterized in that a cored bar (35) is not embedded in the mounting base (10).

  Furthermore, in the mounting structure for a weather strip (1) for an automobile according to claim 4, the mounting base (10) includes a locking lip (16, 33) held on the flange (3) on the inner surface thereof. It is characterized by not.

Furthermore, the automotive weather strip (1) according to claim 5 is located above the front line of the rear door (2) provided with a decorative member (4) on the outside of the vehicle, above the belt line (BL) of the vehicle. A mounting base portion (substantially U-shaped in cross section), which is attached to a flange (3) formed so as to extend in the direction from the bottom wall portion (11) and has a vehicle interior side wall portion (12) and a vehicle exterior side wall portion (13). 10) and a seal portion (20) which is erected in a substantially middle portion of the vehicle outer side wall portion (13) of the mounting base portion (10) and elastically contacts the rear end portion of the front door (5). There,
A plurality of locking lips (16) held by the flange (3) are projected from the inner surface of the mounting base (10), and the decorative member is disposed on the rear side of the vehicle outer side wall (13) on the vehicle outer side. A claw portion (14) that engages with (4) is provided, and the metal core (35) is not embedded in the mounting base portion (10).

  In the present invention, the decorative member (4) includes garnish, molding, cover and the like.

  The symbols in the parentheses correspond to the symbols described in the drawings and the embodiments of the invention described later.

According to the mounting structure for an automotive weather strip according to claim 1 of the present invention, the base portion of the flange is sandwiched by narrowing the space between the rear end portions of the vehicle inner side wall portion and the vehicle outer side wall portion of the mounting base. Since the claw portion provided at the rear end portion of the vehicle outer side wall portion is engaged with the decorative member, the weather strip can be firmly attached to the flange.
Thereby, it is not necessary to embed a metal core in the mounting base. Therefore, it is possible to reduce the weight of the weather strip and the automobile on which the weather strip is attached.

Further, according to the weather strip for an automobile according to claim 2, in addition to the function and effect of the invention according to claim 1, the support portion and the claw of the seal portion provided along the front surface of the bent portion of the decorative member Since the bent portion of the decorative member is sandwiched from the front and rear by the portion, the weather strip can be more firmly attached to the flange.
In other words, this weather strip clamps the base portion of the flange portion between the vehicle inner side wall portion and the vehicle outer side wall portion of the mounting base from the vehicle inner side and the vehicle outer side, so that the weather strip moves in the vehicle inner and outer directions with respect to the flange. Can be blocked. Further, since the support portion of the seal portion, the claw portion, and the bent portion of the decorative member are sandwiched from the front and rear, it is possible to prevent the front portion from slipping out in addition to the movement in the front and rear direction. Thereby, the weather strip can be more firmly attached to the flange.

  Moreover, according to the weather strip for automobiles according to claim 3, in addition to the operational effects of the inventions according to claims 1 and 2, since the cored bar is not embedded in the mounting base, the weather strip and the It is possible to reduce the weight of the mounted automobile. Moreover, since the material cost and manufacturing cost for embedding a core metal can be reduced, productivity can be improved.

  Furthermore, according to the weather strip for an automobile according to claim 4, in addition to the operation and effect of the invention according to claims 1 to 3, since the mounting base portion is not provided with a locking lip held by the flange, It is possible to reduce the weight of the weather strip and the automobile on which it is mounted. Moreover, since the material cost and manufacturing cost for forming the latching lip can be reduced, it can contribute to the improvement of productivity.

  Furthermore, according to the weather strip for an automobile according to claim 5, a plurality of locking lips that are held by the flange from the inner surface of the mounting base portion are provided so as to protrude from the rear end portion of the vehicle outer side wall portion to the vehicle outer side. Since the claw portion that engages with the member is provided, the weather strip is firmly attached to the flange, and the cored bar is not embedded in the attachment base portion, so that the weather strip and the automobile to which the weather strip is attached can be reduced in weight.

(First embodiment)
With reference to FIG. 1 and FIG. 5, the attachment structure of the weather strip 1 for motor vehicles based on 1st embodiment of this invention is demonstrated. FIG. 1 shows a mounting structure of a weather strip 1 for an automobile, and is a cross-sectional view taken along line AA of FIG. In addition, the same code | symbol was attached | subjected to the same part as what was shown in the prior art example.

  The automobile weather strip 1 according to the first embodiment of the present invention is attached above the belt line L of the automobile and seals between the front door 5 and the rear door 2. Is provided.

The mounting base 10 is fitted and attached to a flange 3 formed so as to extend forward at the front end of the rear door 2 having a garnish 4 as a decorative member mounted on the outer surface of the vehicle. The vehicle interior side wall portion 12 and the vehicle exterior side wall portion 13 have a substantially U-shaped cross section.
In addition, two protrusions 15 for preventing separation from the flange 3 are provided on the inner surface of the vehicle interior side wall portion 12.

  The seal portion 20 is erected integrally from the substantially middle portion of the vehicle outer side wall portion 13 of the mounting base portion 10 toward the vehicle outer side.

  Then, the distance between the rear end portions of the vehicle inner side wall portion 12 and the vehicle outer side wall portion 13 of the mounting base portion 10 is made narrower than the distance between the both side wall portions 12 and 13 on the bottom wall portion 11 side, and the root portion of the flange 3 is left and right ( It is clamped from the inside and outside of the vehicle. A claw portion 14 that engages with the garnish 4 is provided on the vehicle exterior side wall portion 13 on the vehicle exterior side of the rear end portion. The claw portion 14 extends from the rear end portion of the vehicle outer side wall portion 13 toward the front side so as to engage with the rear end portion of the garnish 4.

In the present embodiment, the garnish 4 has a structure including an outer surface portion 4a substantially parallel to the rear door 2, and a bent portion 4b extending from the front end portion of the outer surface portion 4a to the vehicle inner side. Correspondingly, a seal portion 20 is provided with a support portion 21 provided along the front surface of the bent portion 4b, and an elastic contact portion 22 extending in an arc shape from the front end portion of the support portion 21 toward the inside of the vehicle. It consists of and.
And the nail | claw part 14 is engaged with the rear surface of the bending part 4b, and the bending part 4b of the garnish 4 is clamped from the front and back by the nail | claw part 4b and the support part 21. FIG.

  The mounting base 10 is entirely formed of solid rubber or a fine foamed rubber material having a specific gravity of 0.8 to 1.1 to secure a sufficient assembling force for the flange 3. Further, the seal portion 20 also has a support portion 21 made of solid rubber or a fine foamed rubber material to increase the assembling force against the garnish 4 and an elastic contact portion 22 made of sponge rubber to increase the elastic contact force against the front door 5. Ensuring sufficient sealing performance.

  The weather strip 1 does not have a metal core embedded in the mounting base 10, and does not include the locking lips 16 and 33 held by the flange 3 on the inner surface of the mounting base 10.

The weather strip 1 for an automobile according to the present embodiment has an attachment base portion 10 having a substantially U-shaped cross section and is fitted to the flange 3 for attachment.
Further, the distance between the rear end portions of the vehicle inner side wall portion 12 and the vehicle outer side wall portion 13 of the mounting base portion 10 is narrowed, and the root portion of the flange 3 is sandwiched from the left and right sides (the vehicle inner side and the vehicle outer side) by the both rear end portions. At the same time, the support portion 21 of the seal portion 20 is applied to the front surface of the bent portion 4b of the garnish 4, and the claw portion 14 is applied to the rear surface of the bent portion 4b so as to be sandwiched from the front and rear. All movements can be regulated.
Therefore, it can be firmly attached to the flange 3. In particular, when the claw portion 14 is applied to the rear surface of the bent portion 4b, it is possible to reliably prevent the weather strip 1 from slipping forward.

Moreover, since this automobile weather strip 1 does not embed a cored bar in the mounting base 10, it is possible to reduce the weight of the weather strip 1 and the automobile to which it is attached.
Moreover, the material cost and the manufacturing cost for embedding the core metal can be reduced, and the productivity can be increased.

Furthermore, since the mounting base 10 is not provided with the locking lips 16 and 33 that lock the flange 3, the weatherstrip 1 and the vehicle can be reduced in weight accordingly.
Moreover, the material cost and manufacturing cost of the latching lips 16 and 33 can be reduced, and productivity can be improved.

In addition, as shown in FIG. 2, the automotive weather strip 1 according to the present embodiment can form the recess 6 in the rear surface of the bent portion 4 b of the garnish 4 and insert the claw portion 14 into the recess 6. .
Thereby, the nail | claw part 14 can be engaged with the bending part 4b of the garnish 4 still more reliably.

  Moreover, the seal part 20 can also be made into a hollow shape, as shown in FIG. Thereby, the elastic contact force with respect to the front door 5 can be improved, and higher sealing performance can be ensured.

(Second embodiment)
Next, with reference to FIG. 4 and FIG. 5, the attachment structure of the weather strip 1 for motor vehicles based on 2nd embodiment of this invention is demonstrated. FIG. 4 shows a mounting structure of the weather strip 1 for an automobile, and corresponds to an enlarged sectional view taken along line AA of FIG. The same parts as those shown in the first embodiment are denoted by the same reference numerals.

  The automobile weather strip 1 according to the second embodiment of the present invention is attached to a flange 3 formed at the front end portion of the rear door 2 provided with the garnish 4 above the belt line BL of the automobile, as in the first embodiment. The mounting base 10 and the seal part 20 are provided.

The mounting base portion 10 has a substantially U-shaped cross section in which the vehicle inner side wall portion 12 and the vehicle outer side wall portion 13 are erected from the bottom wall portion 11, and is fitted and attached to the flange 3.
The seal portion 20 includes a support portion 21 that is integrally formed with the mounting base portion 10 and an elastic contact portion 22 that elastically contacts the rear end portion of the front door 5.

  Further, three locking lips 16 that are held by the flange 3 from the inner surface of the vehicle interior side wall 12 of the mounting base 10 are provided so as to project at the rear end portion of the vehicle outer side wall portion 13 in cooperation with the seal portion 20. The claw part 14 which clamps the 4 bending parts 4b from the front and back is provided. Further, three small protrusions 17 are provided on the inner surface of the vehicle outer side wall portion 13 to increase the assembling force for the flange 3.

  Note that the garnish 4 in the present embodiment includes an outer surface portion 4a substantially parallel to the rear door 2 and a bent portion 4b extending from the front end portion of the outer surface portion 4a to the vehicle inner side. The seal portion 20 is composed of a support portion 21 provided along the front surface of the bent portion 4b, and a resilient contact portion 22 extending in an arc shape from the distal end portion of the support portion 21 toward the vehicle interior side. Yes. And the support part 21 and the nail | claw part 14 are clamping the bending part 4b from the front and back.

Since the weather strip 1 for automobiles according to the present embodiment has a mounting base portion 10 having a substantially U-shaped cross section and is fitted to the flange 3 for mounting, the mounting work is easy. In addition, a plurality of locking lips 16 that lock to the flange 3 from the inner surface of the mounting base 10 are projected, and the front end of the garnish 4 is cooperated with the seal portion 20 at the rear end of the outer side wall portion 13. Since the nail | claw part 14 which clamps a part from front and back is provided, it can attach to the flange 3 firmly.
Further, since the cored bar is not embedded in the mounting base portion 10, the weatherstrip 1 and the automobile to which the weatherstrip 1 is mounted can be reduced in weight.

  Also in the present embodiment, the claw portion 14 can be engaged with the recess 6 as shown in FIG. 2, and the seal portion 20 can be formed in a hollow shape as shown in FIG. .

FIG. 6 is an enlarged cross-sectional view taken along the line AA of FIG. 5, showing a structure for mounting an automotive weather strip according to the first embodiment of the present invention. It is sectional drawing which shows the principal part of the attachment structure of the other weather strip for motor vehicles based on 1st embodiment of this invention. It is sectional drawing which shows the principal part of the attachment structure of the further another weather strip for motor vehicles based on 1st embodiment of this invention. FIG. 6 is an enlarged cross-sectional view taken along line AA of FIG. 5, showing a structure for mounting an automotive weather strip according to a second embodiment of the present invention. It is a side view which shows a motor vehicle. FIG. 6 is an enlarged cross-sectional view taken along line AA of FIG. 5, showing a structure for mounting an automotive weather strip according to a conventional example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Weather strip 2 Rear door 3 Flange 4 Garnish 4a Outer surface part 4b Bending part 5 Front door 6 Recessed part 10 Mounting base part 11 Bottom wall part 12 Car inner side wall part 13 Car outer side wall part 14 Claw part 15 Protrusion part 16 Locking lip 17 Small Protrusion 20 Seal portion 21 Support portion 22 Elastic contact portion 30 Weather strip 31 Mounting base portion 32 Seal portion 33 Locking lip 34 Small protrusion 35 Core metal BL Belt line

Claims (5)

Above the belt line of the automobile, it is attached to a flange formed to extend forward at the front end of the rear door provided with a decorative member on the outside of the vehicle, and the vehicle interior side wall and vehicle exterior side wall are set up from the bottom wall. A weatherstrip mounting structure comprising a mounting base portion having a substantially U-shaped cross section, and a seal portion standing on the vehicle outer side wall portion of the mounting base and elastically contacting the rear end portion of the front door,
The rear end portion of the flange is narrowed between both rear end portions of the vehicle inner side wall portion and the vehicle outer side wall portion of the mounting base, and the rear end portion of the vehicle outer side wall portion is engaged with the decorative member. A weatherstrip mounting structure for an automobile, characterized in that a mating claw portion is provided.   The decorative member includes an outer surface portion substantially parallel to the rear door, and a bent portion extending from the front end portion of the outer surface portion toward the vehicle interior, and the seal portion extends along the front surface of the bent portion. A support portion provided, and an elastic contact portion extending in an arc shape from the tip end portion of the support portion toward the inside of the vehicle, and the decorative member is folded between the support portion of the seal portion and the claw portion. 2. A weatherstrip mounting structure for an automobile according to claim 1, wherein the curved portion is sandwiched from the front and rear.   3. A weatherstrip mounting structure for an automobile according to claim 1, wherein a cored bar is not embedded in the mounting base.   The weather strip for an automobile according to any one of claims 1 to 3, wherein the mounting base portion is not provided with an engaging lip held by the flange on an inner surface thereof. Above the belt line of the automobile, it is attached to a flange formed to extend forward at the front end of the rear door provided with a decorative member on the outside of the vehicle, and the vehicle interior side wall and vehicle exterior side wall are set up from the bottom wall. The weather strip mounting structure includes a mounting base portion having a substantially U-shaped cross section and a seal portion that is erected in a substantially middle portion of the vehicle outer side wall portion of the mounting base portion and elastically contacts the rear end portion of the front door. And
A plurality of locking lips that are held by the flange from the inner surface of the mounting base portion project, and a claw portion that engages the decorative member is provided on the outer side of the rear end portion of the vehicle outer side wall portion. An automotive weatherstrip mounting structure characterized in that a cored bar is not embedded in the base.

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