JP2010167953A - Installation method and installation structure of door weatherstrip - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an installation method and an installation structure of a door weatherstrip, superior in installation workability, while maintaining the seal function. <P>SOLUTION: This installation method of the door weatherstrip 30 comprises door side seal parts 33 and 34 elastically contacting with a door inner panel 2 and a body side seal part 32 elastically contacting with the door opening edge vehicle outside of a body panel 1, which are installed between the door inner panel 2 and a door trim 40 extending to the door inner panel 2 side and having a substantially parallel and substantially L-shaped part 41 to the door inner panel 2 in a tip part, and seals the inside and outside of a vehicle. An integrated part of fitting a tip part of the door trim 40 in advance to a fitting part 35 formed between the door side seal parts 33 and 34 and the body side seal part 32 of the door weatherstrip 30, is installed so that the door side seal parts 33 and 34 of the door weatherstrip 30 of the integrated part, is pressed to the door inner panel 2 for the door inner panel 2. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a door weather strip assembling method and a door weather strip assembling structure which are attached to a door inner panel and seal between a door and a door opening edge of a body panel.

As shown in FIGS. 5 and 6, the door D and the body are attached to the door inner panel 2 of the door D including the door inner panel 2 and the door outer panel 3 at a position on the lower side below the belt line of the automobile. A door weather strip 10 that seals between the door opening edge of the panel 1 is known.
The door weather strip 10 is integrally formed on the vehicle inner side of the step 2a formed on the door inner panel 2 and the vehicle inner side of the mounting base 11, and when the door D is closed, the door opening of the body panel 1 is opened. A hollow seal portion 12 that elastically contacts the edge is provided.

Then, as shown in FIG. 6A, as the assembly of the door weather strip 10 to the door inner panel 2, the end portion of the door trim 4 extending toward the step 2 a side of the door inner panel 2 on the vehicle inner side of the door inner panel 2. 4a, the edge of the mounting base 11 of the door weatherstrip 10 is pressed into the door inner panel 2 and fixed, or as shown in FIG. 6B, the step 5a of the door inner panel 2 is clipped 5 with What fixes the attachment base part 11 of the door weatherstrip 10 at predetermined intervals is disclosed (for example, refer patent document 1).
Japanese Patent Laid-Open No. 7-117473

  Further, as shown in FIG. 7, as the assembly of the door weather strip 20 to the door inner panel 2, a hollow portion 21 formed in the door weather strip 20 is inserted and fixed between the door inner panel 2 and the door trim 4. Things are also conceivable. The door weather strip 20 is formed with a hollow seal portion 22 that elastically contacts the body panel 1 and a lip portion 23 and a hollow seal portion 24 that elastically contact the door inner panel 2.

  However, in the case of assembling the door weather strips 10 and 20 shown in the conventional example, the door weather strips 10 and 20 and the door trim 4 or the clip 5 are separate parts, and are individually assembled in the assembly line of the automobile manufacturer. There is a problem that the assembly work is complicated and takes time because it is necessary.

  Accordingly, an object of the present invention is to provide a door weather strip assembling method and a door weather strip assembling structure which are excellent in assembling workability while maintaining a sealing function.

In order to achieve the above object, the invention according to claim 1 is provided between a door inner panel (2) and a door trim (40) extending toward the door inner panel (2), and the door inner panel (2) Door-side seal portions (33, 34) that elastically contact and body-side seal portions (32) that elastically contact the outer side of the door opening edge of the body panel (1), and a door weather strip that seals the inside and outside of the vehicle ( 30) assembly method,
The front end portion of the door trim (40) is previously fitted between the door-side seal portion (33, 34) and the body-side seal portion (32) of the door weather strip (30). The integrated part fitted to is attached to the door inner panel (2).

The invention according to claim 2 is a door side attached between the door inner panel (2) and a door trim (40) extending toward the door inner panel (2) and elastically contacting the door inner panel (2). It has an assembly structure of a door weather strip (30) that has a seal part (33, 34) and a body side seal part (32) that elastically contacts the door opening edge of the body panel (1) and seals the inside and outside of the vehicle. And
The front end portion of the door trim (40) is previously fitted between the door-side seal portion (33, 34) and the body-side seal portion (32) of the door weather strip (30). The integrated part fitted to is attached to the door inner panel (2).

  Furthermore, the invention according to claim 3 is characterized in that the door-side seal portion (33, 34) of the door weather strip (30) of the integrated part is assembled so as to be pressed against the door inner panel (2). .

  Moreover, the invention which concerns on Claim 4 has the site | part (41) made into the substantially L shape where the front-end | tip part of the said door trim (40) was bent so that it might become substantially parallel to the said door inner panel (2), The door-side seal portion (33, 34) is sandwiched between the substantially L-shaped portion (41) and the door inner panel (2).

  Further, in the invention according to claim 5, the end portion of the substantially L-shaped portion (41) provided at the front end portion of the door trim (40) is further bent toward the door inner panel (2) side or the body side. It is characterized by.

  In the invention according to claim 6, the front end portion of the door trim (40) is sandwiched and held in the fitting portion (35) of the door weather strip (30) for fitting the front end portion of the door trim (40). A holding lip (37) is formed.

  According to a seventh aspect of the present invention, the integrated part is delivered to the assembly process line for assembling the door weather strip (30) to the door inner panel (2), and then the integrated process is performed in the assembly process. The parts are assembled to the door inner panel (2).

  Symbols in parentheses indicate corresponding elements or corresponding matters described in the drawings and the best mode for carrying out the invention described later.

  According to the door weather strip assembling method and the assembling structure of the first and second aspects of the present invention, the door weather strip and the door trim are preliminarily integrated with the door inner panel. As compared with the case of separate assembly, the assembly can be performed easily and quickly.

  In addition, since the door-side seal portion is provided outside the door weather strip, water can be prevented from entering between the door inner panel and the door weather strip. On the other hand, since the body-side seal portion elastically contacting the body panel is provided inside the door weather strip, the sealing function is excellent.

  According to the invention of claim 3, since the door-side seal portion of the door weather strip of the integrated part is assembled so as to be pressed against the door inner panel, water can flow from between the door inner panel and the door weather strip. Intrusion is further prevented. The greater the pressing force of the door weather strip against the door inner panel, the better the sealing performance between the door inner panel and the door weather strip.

  According to the invention of claim 4, the front end portion of the door trim has a substantially L-shaped portion bent so as to be substantially parallel to the door inner panel, and a substantially L-shaped portion; Because the door side seal portion is sandwiched between the door inner panel and the surface of the substantially L-shaped portion of the front end portion of the door trim fitted to the fitting portion formed on the door weather strip is used. The door weather strip is firmly attached to the door inner panel.

  According to the invention of claim 5, since the end portion of the substantially L-shaped portion provided at the front end portion of the door trim is further bent toward the door inner panel side or the body side, the bent portion is the door When the door trim is about to come off from the weather strip, it is caught in the fitting portion and is prevented from coming off easily.

  According to the sixth aspect of the present invention, since the fitting portion of the door weather strip that fits the front end portion of the door trim is formed with the holding lip that sandwiches and holds the front end portion of the door trim, the door weather The door trim does not come off easily from the strip.

  According to the invention of claim 7, for example, after a door trim and a door weather strip are integrated in advance by a parts manufacturer or the like, for example, the integrated parts are delivered to an assembly process line in an automobile manufacturer. As a result, the number of parts is reduced compared with the case where the door trim and door weather strip are separately mounted on the door inner panel, and the mounting workability in the assembly process is dramatically improved, and parts management is also easy. become.

(First embodiment)
With reference to FIG.1 and FIG.2, the assembly structure and the assembly method of the door weather strip which concern on 1st embodiment of this invention are demonstrated. FIG. 1 is an enlarged cross-sectional view taken along line AA of FIG. 5 showing a state in which the door weather strip according to the first embodiment of the present invention is assembled. FIG. 2 is an enlarged cross-sectional view showing a state of the door weather strip assembling step shown in FIG. The same parts as those shown in the conventional example are denoted by the same reference numerals.

  The door weather strip assembling method according to the first embodiment of the present invention is a door that seals the inside and outside of the vehicle between the door inner panel 2 and a door trim 40 having a portion 41 having a substantially L-shaped tip. This is a method of assembling the weather strip 30.

  As shown in FIG. 1, a door weather strip (door outer weather strip) 30 is provided on the vehicle exterior side between the door opening edge of the body panel 1 of the automobile and the door inner panel 2 of the door D, and the vehicle interior side. A body-side weather strip (door inner weather strip) 50 is provided to seal the inside and outside of the vehicle.

  The body-side weatherstrip 50 is integrated with a mounting base 51 having a substantially U-shaped cross section that is mounted so as to sandwich a flange F formed inside the door opening edge of the body panel 1, and a vehicle outer side surface of the mounting base 51. A hollow seal portion 52 that is molded and elastically contacts the corner portion of the door trim 40 when the door D is closed is provided. The mounting base 51 and the flange F of the body-side weather strip 50 are covered with a pillar garnish 55.

The door weather strip 30 is integrally formed with the base 31 and the inside of the base 31, and when the door D is closed, the hollow body side seal portion 32 that elastically contacts the outside of the door opening edge of the body panel 1, and the base 31 Door-side seal portions 33 and 34 that are integrally formed on the outside of the vehicle and elastically contact the door inner panel 2 when assembled to the door D are provided. The door-side seal portion includes a lip portion 33 having a tongue-shaped cross section provided on the outer peripheral inner side of the base 31, that is, on the opposite side of the body panel 1, and the outer peripheral side of the base 31, that is, the body panel 1. And a hollow seal portion 34 provided on the surface. The body-side seal portion 32 has a larger hollow shape than the hollow seal portion 34.
The base portion 31 is located between the body side seal portion 32 and the door side seal portions 33 and 34, and the base portion 31 is formed with a fitting portion 35 having a substantially rectangular cross section into which the distal end portion of the door trim 40 is inserted. . A plurality of holding lips 37 (the number thereof is not particularly limited, but here, one on the vehicle outer wall surface of the base portion 31 and two on the vehicle inner wall surface of the base portion 31) inside the fitting portion 35 And the front end portion of the door trim 40 fitted into the fitting portion 35 is sandwiched and held.

  A solid material is used as the material of the base 31 on which the fitting portion 35 is formed, and a sponge material is used as the material of the body side seal portion 32 and the door side seal portions 33 and 34.

The door trim 40 covers the surface of the door inner panel 2 from the inside of the vehicle to make it look good.
A peripheral end portion of the door trim 40 extends toward the door inner panel 2 side, and a tip end portion thereof is bent so as to be substantially parallel to the door inner panel 2, that is, substantially L-shaped. The bending direction of the bent portion 41a of the substantially L-shaped portion 41 is the outer peripheral side, that is, the body panel 1 side.
The bent portion 41 a of the substantially L-shaped portion 41 at the front end of the door trim 40 is fitted into the fitting portion 35 formed on the base portion 31 of the door weather strip 30 and is integrated with the door weather strip 30. Yes.
Further, the door trim 40 functions as a decorative member, and can be applied in a wide variety of colors and designs. The material of the door trim 40 is also various, such as resin or rubber.

In order to assemble the door weather strip 30 configured in this way to the door D, more specifically, to the door inner panel 2 of the door D, before delivery to the assembly line of the automobile manufacturer, the door maker 40 of the door trim 40 in advance. The bent portion 41a of the substantially L-shaped portion 41 formed at the tip portion is fitted by being inserted from the fitting portion 35 of the door weather strip 30 to form an integrated part. At this time, the bent portion 41a of the door trim 40 inserted into the fitting portion 35 is firmly held by a plurality of holding lips 37 provided inside the fitting portion 35, whereby the door trim 40, the door weather strip 30, and the like. Is temporarily fixed at the fitting portion 35.
Next, an assembly of the door trim 40 and the door weather strip 30 is delivered as a sub-assembly to an automobile manufacturer assembly line.

Then, in the assembly process of the automobile manufacturer, the lip portion 33 and the hollow seal portion 34 functioning as the door-side seal portion of the door weather strip 30 as an integrated part sub-assembled with respect to the door inner panel 2 are shown in FIG. As shown in (a), the door trim 40 is assembled in such a manner that it is pressed against the door inner panel 2 and the door trim 40 as an integrated part is assembled.
At this time, the door weather strip 30 receives a pressing force as a surface from a flat bent portion 41a formed in a substantially L-shaped portion 41 of the door trim 40 fitted in the fitting portion 35, and the door Pressed against the inner panel 2.

  According to the assembling method as described above, the door weather stop 30 and the door trim 40 are in a stage before being delivered to the assembly line, for example, after being integrated in a parts manufacturer and then assembled in a sub-assembled state. The door weather strip 30 and the door trim 40 are separately mounted on the door inner panel 2 as a separate part, so the number of parts is reduced. The mounting workability in the assembly process is greatly improved, and parts management is also facilitated.

Further, also in the assembly process in the assembly line, the door weather strip 30 is a flat support that forms a substantially L-shaped portion 41 at the tip of the door trim 40 fitted to the fitting portion 35 formed in the base portion 31. The door weather strip 30 is assembled by pressing the outer side of the door weather strip 30 toward the door inner panel 2 by the surface of the bent portion 41a using the bent portion 41a. 2 is firmly assembled. Further, since the fitting portion 35 of the door weather strip 30 is provided with a plurality of holding lips 37 for holding the bent portion 40a of the door trim 40, the door trim 40 can be easily detached from the door weather strip 30. There is no.
Moreover, since door-side seal portions such as a lip portion 33 and a hollow seal portion 34 are provided on the vehicle exterior side of the door weather strip 30 pressed against the door inner panel 2, the door inner panel 2 and the door weather strip 30 Water can be prevented from entering through. The greater the pressing force of the door weather strip 30 against the door inner panel 2, the better the sealing performance between the door inner panel 2 and the door weather strip 30. On the other hand, since a hollow seal portion 32 that elastically contacts the body panel 1 is provided inside the door weather strip 30, the sealing function is excellent.

(Second embodiment)
Next, with reference to FIG.3 and FIG.4, the assembly structure of the weather strip which concerns on 2nd embodiment of this invention, and the assembly method are demonstrated. FIG. 3 is a cross-sectional view showing a weatherstrip assembly structure according to the second embodiment of the present invention, and FIG. 4 is a cross-sectional view showing another weatherstrip assembly structure according to the second embodiment of the present invention. FIG. The same parts as those shown in the first embodiment are denoted by the same reference numerals.

  In the first embodiment of the present invention, a substantially L-shaped portion 41 is provided at the distal end portion of the door trim 40, and the bent portion 41 a is inserted into the fitting portion 35 formed in the base portion 31 of the door weather strip 30. In the second embodiment of the present invention, the end portion of the bent portion 41a of the substantially L-shaped portion 41 provided at the front end portion of the door trim 40 is used. Further, it is bent toward the door inner panel 30 side. The second bent portion 42 bent toward the door inner panel 30 side is substantially parallel to the direction of the door trim 40 extending from the vehicle interior to the bent portion 41 a of the substantially L-shaped portion 41, and is stored in the fitting portion 35. ing.

As shown in FIG. 4, the cross-sectional shape of the fitting portion 35 may be deeper than the fitting portion 35 shown in FIG. 3, or may be substantially parallel to the bent portion 41 a of the door trim 40 into which the inner wall is inserted. Can be. The bent portion 41 a and the second bent portion 42 of the door trim 40 are firmly held by a plurality of holding lips 37 provided in the fitting portion 35. The number and formation position of the plurality of holding lips 37 are not particularly limited, but as shown in FIGS. 3 and 4, the root of the bent portion 41 a of the door trim 40 and the root of the second bent portion 42 are provided. It is preferable to form the holding lip 37 at a position for holding the inside of the portion in order to stably fit the portion.
Other configurations and assembling methods are the same as those in the first embodiment of the present invention.

  Thus, by providing the 2nd bending part 42 further in the extreme end of the door trim 40, in addition to the effect described in 1st embodiment of this invention, it is further prevented that the door trim 40 remove | deviates from the door weather strip 30. FIG. Is done.

In the first and second embodiments of the present invention, the lip portion 33 and the hollow seal portion 34 are provided as the door side seal portion for sealing the space between the door inner strip 2 and the outside of the door weather strip 30. A lip portion having a substantially tongue-shaped cross section, a plurality of hollow seal portions, or a single hollow seal portion. The shape of the door weather strip 30 is not limited as long as it can sufficiently seal the outside of the door weather strip 30 and the door inner panel 2.
Further, a substantially L-shaped portion 41 is provided at the front end portion of the door trim 40, and the bent portion 41a is made substantially parallel to the door inner panel 2 when assembled. Since a substantially L-shaped portion 41 only needs to be present, for example, the second bent portion 42 provided in the second embodiment is not bent to the vehicle exterior side, that is, the door inner panel 2 side, but the door that is the vehicle interior side. You may make it bend | fold on the opposite side (body side) with respect to the inner panel 2 side.

It is an AA line expanded sectional view of Drawing 5 showing the state where the door weather strip concerning a first embodiment of the present invention was assembled. It is an expanded sectional view which shows the mode of the assembly | attachment process of the door weather strip shown in FIG. 1, (a) shows the state before an assembly | attachment, (b) shows the state after an assembly | attachment. It is sectional drawing which shows the assembly | attachment structure of the door weather strip which concerns on 2nd embodiment of this invention. It is sectional drawing which shows the assembly | attachment structure of another door weather strip which concerns on 2nd embodiment of this invention. It is a side view of a motor vehicle. FIG. 6 is an enlarged cross-sectional view taken along the line AA of FIG. 5 showing a state in which a door weather strip according to a conventional example is assembled. FIG. Shows the case of assembly. It is sectional drawing which shows the principal part of the state by which the another door weather strip which concerns on a prior art example was assembled | attached.

DESCRIPTION OF SYMBOLS 1 Body panel 2 Door inner panel 2a Step part 3 Door outer panel 4 Door trim 4a End part 5 Clip 10 Door weather strip 11 Mounting base 12 Hollow seal part 20 Door weather strip 21 Hollow part 22 Hollow seal part 23 Seal part 24 Hollow seal part 30 Door weather strip 31 Base 32 Body side seal part 33 Door side lip part (door side seal part)
34 Door side hollow seal part (door side seal part)
35 fitting portion 37 holding lip 40 door trim 41 substantially L-shaped portion 41a bent portion 42 second bent portion 50 body side weather strip 51 mounting base 52 hollow seal portion 55 pillar garnish D door F flange

Claims (7)

A door-side seal portion that is attached between the door inner panel and a door trim that extends toward the door inner panel side and that elastically contacts the door inner panel and a body-side seal portion that elastically contacts the door opening edge of the body panel. A door weather strip assembly method for sealing the inside and outside of a vehicle,
An integrated part in which the front end portion of the door trim is previously fitted to a fitting portion formed between the door side seal portion and the body side seal portion of the door weather strip is assembled to the door inner panel. A method for assembling a door weather strip, characterized by comprising: A door-side seal portion that is attached between the door inner panel and a door trim that extends toward the door inner panel side and that elastically contacts the door inner panel and a body-side seal portion that elastically contacts the door opening edge of the body panel. The door weather strip assembly structure for sealing the inside and outside of the vehicle,
An integrated part in which the front end portion of the door trim is previously fitted to a fitting portion formed between the door side seal portion and the body side seal portion of the door weather strip is assembled to the door inner panel. Door weather strip assembly structure characterized by attaching.   The door weather strip assembling method and its assembling structure according to claim 1 or 2, wherein the door-side seal portion of the door weather strip of the integrated part is assembled so as to be pressed against the door inner panel. . The front end portion of the door trim has a substantially L-shaped portion bent so as to be substantially parallel to the door inner panel,
The door weather strip set according to any one of claims 1 to 3, wherein the door-side seal portion is sandwiched between the substantially L-shaped portion and the door inner panel. Attachment method and its assembly structure.   5. The set of door weather strips according to claim 4, wherein an end portion of a substantially L-shaped portion provided at a front end portion of the door trim is further bent toward the door inner panel side or the body side. Attachment method and its assembly structure.   6. A holding lip for holding and holding the front end portion of the door trim is formed in the fitting portion of the door weather strip that fits the front end portion of the door trim. The door weather strip assembling method and its assembling structure according to claim 1.   The integrated part is assembled to the door inner panel in the assembly process after the integrated part is delivered to an assembly process line for assembling the door weather strip to the door inner panel. Item 7. The door weather strip assembling method and the assembling structure thereof according to any one of Items 1 to 6.

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