JP3214493B2 - Mounting structure of weather strip for automobile - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a weather strip mounting structure mounted along a center pillar of an automobile.

[0002]

2. Description of the Related Art As a weather strip attached along a center pillar, a weather strip sealing a rear edge of a front door glass and a weather strip sealing a front edge of a rear door glass are integrally formed. (Japanese Utility Model No. 4-78022).

FIG. 10 shows a representative example of this type of weather strip. In the weather strip, a first weather strip 3A on the front side and a second weather strip 3B on the rear side are opposed to each other. It has an integral structure that is connected by a connecting portion 30 at the outer end.

The weather strips 3A and 3B are respectively fitted to retainers 4A and 4B attached to the front and rear inclined surfaces of the center pillar 1. In addition, a pillar molding 5 is provided on the outer surface of the connecting portion 30. In the illustrated example, the pillar molding 5 integrally forms a clip 50, and the clip 50 is passed through the connecting portion 30 so that the retainer 4 is formed.
The pillar molding 5 is fixed by being locked to the ends of A and 4B. 6A and 6B are trims attached to the front and rear flanges of the center pillar 1, and 7A and 7B are front and rear door glasses.

[0005]

SUMMARY OF THE INVENTION The present invention simplifies the mounting structure and reduces the cost by omitting the conventional retainer, and also provides a mounting structure that allows the weather strip to be mounted to the center pillar with good workability without displacement. It was made to provide.

[0006]

According to the present invention, as shown in FIG. 7 , the first weather strip 3A on the front side of the center pillar 1 and the second weather strip 3B on the rear side are opposed to each other. At the outer end, the first connecting portion 30a and the second
And an integrated structure connected by the connecting portion 30b. First
Connecting portion 30a and the first and
The base portions 31 of the two weather strips 3A and 3B are sleds.
The first connecting portion 30a forms a pillar molding. Then, the second connecting portion 30b is locked to the center of the center pillar 1 with the clip 9 provided on the second connecting portion 30b, and the weather strip 3 is positioned and locked to the center pillar 1 so that the first
And the base 31 of the second weather strip 3A, 3B
To the center pillar 1 with double-sided adhesive tapes 8A and 8B, respectively.
The mounting structure is to be adhered to the (claim 1).

In a wide center pillar, as shown in FIG. 9, the outer plate 11 of the center pillar 1 is bent from front and rear inclined surfaces of a central chevron-shaped projection 16 so as to be directed forward and backward, respectively. The first and second weather strips 3 </ b> A, 3 </ b> A, which are formed in a cross-sectional shape having an expanding flat portion 111 and an inclined surface extending from the front and rear flat portions 111 toward the passenger compartment, respectively, are connected by the connecting portion 30. The base surface of the base portion 31 of 3B is formed in a shape that matches the shape from the front and rear inclined surfaces of the protruding portion 16 to the flat portion 111, and a flat portion 35 corresponding to the flat portion 111 is provided on the base surface, The connecting portion 30 is positioned and locked to the projecting portion 16 of the center pillar 1, and the first and second weather strips 3A,
The flat portion 35 of the base surface of 3B is
1 are attached to each other with double-sided adhesive tapes 8A and 8B (claim 2).

[0008]

The attachment of the weather strips 3A, 3B using the double-sided adhesive tapes 8A, 8B is more cost effective than the retainer, but it is difficult to attach it at a predetermined position accurately. In the present invention, first, the weather strips 3A and 3B are deployed and positioned on the center pillar by the connecting portion 30.
While removing the release paper on the surface of the double-sided adhesive tapes 8A and 8B previously adhered to the base portions of the both weather strips 3A and 3B, the two weather strips 3A and 3B are not displaced to the center pillar 1 and workability is good. Can be adhered to.

Further, since the wide center pillar is structured so as to be bonded by the flat portions 111 and 35, the double-sided adhesive tapes 8A and 8A after the connecting portions 30 of the both weather strips 3A and 3B are locked to the center pillar 1 are formed. The work of peeling the release paper of 8B becomes easy, and the work of pressing the double-sided adhesive tapes 8A and 8B against the center pillar 1 also becomes easy.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the vehicle shown in FIG. 1, a roof side weather strip 2 is mounted along a roof side of a door opening, and a weather strip 3 is mounted along a center pillar 1, and a front door glass 7A and a rear door are provided. The periphery of the glass 7B is sealed.

FIG. 2 shows a first embodiment of the weather strip 3 along the center pillar 1. The weather strip 3
A first weatherstrip 3A that seals the rear edge of the front door glass 7A and a second weatherstrip 7B that seals the front edge of the rear door glass 7B are integrally connected at the connecting portion 30 at opposing outer ends. It has a structure. The weather strip 3 is an integrally extruded product, and the connecting portion 30 is made of solid rubber and plays a role of a pillar molding.

The first and second weather strips 3A,
3B is made of sponge rubber and has almost the same structure,
The base 31 and the seal wall 32 form a hollow body, and include a bridge 33 that partitions the inside of the hollow into the base 31 and the seal wall 32. The connecting portion 30 has a substantially circular cross-sectional shape, and has a groove 301 formed on the inner surface side. Between the two weather strips 3A and 3B, there is a space 34 surrounded by the facing end faces and the connecting portion 30.

On the other hand, the center pillar 1 forms a closed cross section by the outer plate 11 and the inner plate 12. The outer plate 11 has a mountain-shaped cross section, and a locking projection 13 projects outward from the top end. The locking projection 13 is formed in a series with the outer plate 11 and has a locking portion having a triangular cross section at the tip. A flange joining the outer plate 11 and the inner plate 12 projects from the front and rear of the center pillar 1, and trims 6A and 6B are attached to these flanges.

The weather strips 3A and 3B are bonded to the center pillar 1 via double-sided adhesive tapes 8A and 8B, respectively. When attaching the weather strips 3A, 3B, separate strip-shaped double-sided adhesive tapes 8A, 8B are adhered to the bottom surfaces of the respective base portions 31, and the two weather strips 3A, 3B are expanded and connected. The part 30 has its groove 30
1, the weather strips 3A, 3B are positioned and locked on the center pillar 1 by being fitted into the tips of the locking projections 13 of the center pillar 1. Then, both weather strips 3A, 3
In the unfolded state, the release paper of the double-sided adhesive tape 8A of one weather strip 3A is peeled off and adhered to one inclined surface of the center pillar outer plate 11. The other weather strip 3B
Similarly, the double-sided adhesive tape 8B adheres to the other inclined surface of the outer plate 11. Thus, the weather strip 3A,
3B can be mounted at an accurate position and with good workability. The double-sided adhesive tapes 8A and 8B may be attached to the center pillar 1 in advance.

FIG. 3 shows a second embodiment. The outer plate of the center pillar 1 is composed of two outer plates 11a and 11b, and these flanges are joined to form a locking projection 14. The two weather strips 3A and 3B are positioned by fitting the groove 301 of the connecting portion 30 at the tip. The base portions 31 of both weather strips 3A, 3B adhered to the center pillar 1 with the double-sided adhesive tapes 8A, 8B are solid rubber. Other structures are substantially the same as those of the first embodiment.

FIG. 4 shows a third embodiment of the present invention, in which the center pillar outer plate 11 has a base end of a separate locking projection 15 fixed to the outer plate 11 with screws. The weather strips 3A and 3B are positioned and locked by fitting the groove 301 of the connecting portion 30 and the space 34 therebelow into the triangular tip. Other structures are the same as those of the first embodiment. In the present embodiment, there is no need to modify the entire structure of the conventional center pillar.

FIG. 5 shows a fourth embodiment, in which the locking projections 15 are the same as in the third embodiment. The connecting portion 30 is the third
This embodiment is thicker than that of the embodiment, and only the outer end of the side surface is connected to both weather strips 3A and 3B. A groove 301 that engages with the triangular tip of the locking projection 15 is formed on the inner surface side of the connecting portion 30.

Since only a part of the connecting portion 30 is connected to the weather strips 3A and 3B, the weather strips 3A and 3B can be easily developed. It can be inserted into the groove 301 of the connecting part 30. Other structures are the same as those of the third embodiment.

FIG. 6 shows a fifth embodiment, in which both weather strips 3A, 3B are connected at their opposing outer ends by a first connecting portion 30a made of solid rubber, and inside the sponge rubber. Are connected by a second connecting portion 30b. Then, the second connecting portion 30 b is connected to the center pillar outer plate 11.
The two weather strips 3A, 3B are positioned and locked on the center pillar 1 by being stopped on the top surface of the center strip 1 with a grip 9.

That is, holes are provided at predetermined intervals in the second connecting portion 30b, and the clips 9 are pushed into the holes so that the clips 9 pass through the holes. Then, each clip 9 is pressed into the hole formed on the top surface of the center pillar outer plate 11 by pushing each clip head by the first connecting portion 30a, so that both the weather strips 3A and 3B are connected to the center pillar 1. And lock it. Other structures are first
This is the same as the embodiment.

FIG. 7 shows a sixth embodiment. The difference from the fifth embodiment is that both weather strips 3A, 3A
The base 31, the first connecting portion 30a, and the second connecting portion 30b of B are made of a series of solid rubber. However, the center of the second connecting portion 30b into which the clip 9 is inserted is a sponge rubber 301. The series of solid rubber layers improves the mounting stability. The sponge rubber 301 improves the insertability of the clip 9.

FIG. 8 shows a seventh embodiment. The connecting portion 30 is made of solid rubber, and has a U-shaped cross section like the trims 6A and 6B attached to the flange of the center pillar 1, and the outside is closed by the bottom to play the role of a molding. A lip 302 protrudes from the opposing inner surface of the connecting portion 30, and sandwiches and positions the joining flange 14 of the outer plates 11a and 11b of the center pillar 1. A U-shaped core bar 303 is embedded in the connecting portion 30. In this embodiment, the connecting portion 3
The connection between 0 and the center pillar 1 is extremely stable. Other structures are substantially the same as those of the first embodiment. In each of the above embodiments, the weather strips 3A and 3B are attached to the center pillar 1 with one double-sided adhesive tape 8A and 8B, respectively. However, each of the tapes 8A and 8B is divided into a plurality of tapes. It may be.

FIG. 9 shows an eighth embodiment. The center pillar 1 has a large width in order to enhance the strength against side collision of the vehicle. That is, the cross-sectional shape of the outer plate 11 is
It has a chevron-shaped projection 16 in the center, and forms a flat portion 111 which bends from both ends of the front and rear inclined portions and spreads in the front-rear direction. As a flange that extends. And this outer plate 1
1, a reinforcement 13 is arranged on the inner side thereof, and the front and rear flanges of the outer plate 11 and the reinforcement 13 and the front and rear flanges of the inner plate 12 are overlapped and welded, and the trim 6A, 6B is attached.

The weather strip 3 is formed by combining the front and rear first and second weather strips 3A and 3B with a solid rubber base having a shape along the protrusion 16 of the center pillar outer plate 11 and the flat portions 111 on both sides thereof. 31 are integrated. A flat portion 35 corresponding to the flat portion 111 of the outer plate 11 is formed at both front and rear ends of the base surface of the base portion 31. The inside of the connecting portion 30 connecting the opposing outer ends of both weather strips 3A and 3B is formed in a groove shape, and projections 311 are formed on both sides of the connecting portion 30 so as to contact both the top inclined surfaces of the projecting portion 16 of the center pillar outer plate 11. I have. The sealing portions of both weather strips 3A, 3B are formed of sponge rubber.

The weather strips 3A and 3B have flat portions 35 in front and behind the base portion 31 so that the center pillar outer plate 11
The double-sided adhesive tapes 8A,
8B. Lips 61 extending obliquely outward are formed on the vehicle outer sides of the front and rear trims 6A and 6B, respectively, and cover the front and rear ends of the weather strips 3A and 3B.

In mounting the weather strip 3 of this embodiment, the center connecting portion 30 is engaged with the tip of the center protruding portion 16 of the center pillar 1 and positioned, and both weather strips 3A and 3B are positioned. In the opened state, the release papers of the double-sided adhesive tapes 8A and 8B, which have been previously adhered to the flat portions 35 of the weather strips 3A and 3B, are peeled off. The pressing is performed on the portion 111 via the adhesive tapes 8A and 8B.

In the present embodiment, the center pillar 1 and the weather strips 3A, 3B are bonded to each other in a direction opposite to the inside and outside of the vehicle. The release paper of the double-sided adhesive tapes 8A and 8B can be removed simply by opening. Therefore, when the weather strips 3A and 3B are opened and the release paper is peeled off, there is no possibility that the center of the weather strip is disengaged from the center of the center pillar, so that the engagement structure can be simplified. Pressing of the double-sided adhesive tapes 8A and 8B against the center pillar 1 is generally performed by pressing the weather strips 3A and 3B from above with a pressing roller or the like.
A and 8B can be pressed from the same direction, so that workability is good. Also, the gap between the weather strips 3A, 3B and the trims 6A, 6B due to the increased width of the center pillar 1 can be covered by providing the trims 6A, 6B with lips 61, respectively. This embodiment is suitable for application to a wide center pillar.

[0028]

According to the present invention, the conventional retainer is eliminated and the two weather strips forming the center pillar weather strip are mounted by the double-sided adhesive tape, so that the mounting structure is simplified and the cost is reduced. Done.
Since the double-sided adhesive tape is divided into a front side and a rear side, and the two weather strips are positioned on the center pillar at the center connecting portion, when the two weather strips are bonded to the center pillar with the double-sided adhesive tape. It is possible to adhere to a precise position without misalignment with good workability.

[Brief description of the drawings]

FIG. 1 is a side view of an automobile to which the present invention is applied.

FIG. 2 is a cross-sectional view of the first embodiment of the present invention taken along a line AA in FIG. 1;

FIG. 3 is a sectional view of the second embodiment of the present invention at a position along the line AA in FIG. 1;

FIG. 4 is a sectional view of a third embodiment of the present invention at a position along the line AA in FIG. 1;

FIG. 5 is a sectional view of a fourth embodiment of the present invention at a position along the line AA in FIG. 1;

FIG. 6 is a sectional view of a fifth embodiment of the present invention at a position along the line AA in FIG. 1;

FIG. 7 is a sectional view of the sixth embodiment of the present invention at a position along the line AA in FIG. 1;

FIG. 8 is a sectional view of the seventh embodiment of the present invention at a position along the line AA in FIG. 1;

FIG. 9 is a sectional view of the eighth embodiment of the present invention, taken along a line AA in FIG. 1;

FIG. 10 is a cross-sectional view showing a state where a conventional weather strip is attached.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Center pillar 111 Flat part of center pillar 13, 14, 15 Locking projection 3 Weather strip along the center pillar 3A First weather strip 3B Second weather strip 30, 30a, 30b Connecting part 301 Groove 31 Base Part 35 Flat part of weather strip 4 Retainer 5 Pillar molding 7A, 7B Door glass 9 Clip

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-6-115354 (JP, A) JP-A 5-89104 (JP, U) JP-A 4-81816 (JP, U) (58) Field (Int.Cl. ⁷ , DB name) B60J 10/04 B60R 13/06

Claims (2)

(57) [Claims] 1. A weather strip mounted along a center pillar of an automobile, wherein the first weather strip is mounted along a front portion of the center pillar and seals a rear edge of a front door glass; A second weatherstrip attached along the rear part and sealing the front edge of the rear door glass is connected by a first connection part made of solid rubber which also serves as a pillar molding at the opposite outer ends thereof, and The second inside the connection part of 1
And connected in series with the first connecting portion.
Bases of the first and second weather strips in a row
Is formed of solid rubber to form an integral structure, the second connecting portion is locked to the center of the center pillar by a clip, and the weather strip is positioned and locked to the center pillar.
A mounting structure for a weather strip for automobiles, wherein a base portion of each of the first and second weather strips is bonded to a center pillar via a double-sided adhesive tape. 2. A weatherstrip mounted along a center pillar of an automobile, wherein the first weatherstrip is mounted along a front portion of the center pillar and seals a rear edge of a front door glass. A second weather strip attached along the rear part and sealing the front edge of the rear door glass, and connecting the opposite outer ends thereof with a connecting part made of solid rubber also serving as a pillar molding to form an integral structure; The cross-sectional shape of the outer surface of the center pillar has a mountain-shaped protrusion in the center, a flat portion that is bent from the front and rear inclined surfaces and spreads forward and backward, respectively, and bent from both flat portions. And the base surfaces of the first and second weather strips are flattened from the front and rear inclined surfaces of the projecting portion. The connecting portion of the first and second weather strips is positioned and locked to the projecting portion of the center pillar, and the first and second weather strips are formed in a shape that matches the shape of the first and second weather strips. A mounting structure for a weather strip for an automobile, wherein a base surface is bonded to the flat portion of the center pillar via a double-sided adhesive tape.