JP3243968B2 - Automotive seal structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seal structure for an automobile, and more particularly to a seal structure between an opening edge of a door opening of a vehicle body and an outer periphery of a sashless door.

[0002]

2. Description of the Related Art As shown in FIG. 4, a seal structure around a door opening of a sashless door car is provided at an upper edge of the door opening along a roof side 12 with front and rear door glasses 1 when the door is closed.
1 Glass seal weather strip for sealing the upper edge 2
0, the front and rear door glass 1
Glass seal weather strip 3 for sealing the vertical edge of 1
In the lower half of the front and rear door openings separated by the center pillar 13, door seal weather strips 40 for sealing the outer peripheries of the front and rear doors 10 are mounted. It has a basic structure in which a terminal portion and terminal portions at the front and rear lower ends of the glass seal weather strips 20 and 30 are overlapped.
Further, an opening trim is provided on the flange formed on the entire periphery of the front and rear door openings, and the glass seal weather strips 20, 30 and the door seal weather strip 40 are provided.
It is common to install them in a series so that

FIG. 5 shows a front end portion of the glass seal weather strip 20 along the roof side.
The end portion 20B of the molding is provided at the lower end of the general portion 20A of the extrusion molding.
Is connected. Glass seal weather strip 20
The lip 22 pressed against the opening trim 50 is formed in a series on the inner side surface from the general portion 20A to the terminal portion 20B.

On the other hand, the door seal weather strip 4
Numeral 0 denotes a tubular extruded product, with an opening trim 5
0 is provided along the side surface of the lower half. And FIG.
As shown in (B), the terminal portion 41 of the door seal weather strip 40 and the terminal portion 23 of the lip 22 are overlapped at a position near the door belt line 13 (FIG. 4). That is, the terminal portion 23 of the lip 22 is formed in a fin shape that widens downward, and the terminal portion 23 covers the open end of the door seal weather strip 40, and the terminal portion 23
Is bent along the side surface of the door seal weather strip terminal portion 41 to press the opening trim 50 into pressure, thereby bringing the lip end portion 23 and the terminal portion 41 of the door seal weather strip 40 into close contact with each other. The sealing performance with the side is improved, and the appearance of the lip 22 and the opening trim 50 is kept good by making the joining line 60 a gentle curve up and down.

[0005]

However, in the operation of bending the lip tip edge of the lip end portion 23 covering the terminal portion 41 of the door seal weather strip 40 and superimposing the lip tip edge on the opening trim 50, the lip tip edge becomes irregular. It is bent and partly protrudes above the opening trim 50 as shown by a chain line d in FIG.
In addition, the entire edge of the lip may protrude above the opening trim 50 with the passage of time, and the mating line 60 becomes irregular and impairs the appearance, and the lip end portion 23 and the door seal weather strip terminal portion 41 Do not adhere to each other and reduce the sealing performance with the door.

In the present invention, therefore, the lip end portion 23 is bent in a predetermined shape so that the mating line 60 with the opening trim 50 has a predetermined shape, and the lip tip edge does not protrude. It is an object to realize a good weather strip terminal alignment structure.

[0007]

According to the present invention, as shown in FIG. 1, the end portion 23 of the lip 22 of the glass seal weather strip 20 pressed against the opening trim 50 is formed in a fin shape which is widened downward. A thin bent line 24b is formed on the end portion 23 along the lip tip line,
The opening trim is formed by bending the lip tip edge of the lip end portion 23 covering the upper end portion 41 of the tubular door seal weather strip 40 formed along the lower half of the opening trim 50 along the bending line 24b. 5
It is structured to be pressed against zero (claim 1).

In the present invention, the above structure is attached along the upper edge of the door opening of the vehicle body as shown in FIGS.
The present invention is applied to a terminal fitting portion of a glass seal weather strip 20 in which a molded terminal portion 20B is connected to a lower end of A (claim 2). In addition, as shown in FIGS.
3 and is applied to the glass seal weather strip 30 in which a molded end portion 30B is connected to the lower end of the general portion 30A (claim 3).

Further, according to the present invention, as shown in FIG. 1 (FIG. 2), the bent line 24b (34b) of the lip of the molded terminal portion 20B (30B) is formed on the lip of the general portion 20A (30A). It is formed into a line that is continuous with the bending line 24a (34a), and has a shape that gradually approaches the lip tip line at the lip end portion 23 (33).

[0010]

The terminal end of the lip is bent along the fold line of the lip, and the joining line between the terminal end of the lip and the opening trim becomes a continuous line along the fold line, so that the appearance is good and the assembling workability is good. In addition, since the leading edge of the end of the lip is bent at the bending line and is in pressure contact with the opening trim, part or all of the leading edge protrudes above the opening trim, and the appearance and sealability may be impaired. Absent.

[0011]

1 and 2 show an embodiment in which the present invention is applied to a front end portion of a glass seal weather strip 20 shown in FIG. As shown in FIG. 2, the general portion 20A of the glass seal weather strip 20 is an extruded body, and a lip 22
Is extending. The terminal of the molded part 20B is connected to the terminal of the general part 20A. The terminal unit 20B is a general unit 2
The tip has a fishtail shape from the shape extending 0A.
A lip 22 extending from the general portion 20A to the terminal portion 20B
Has a fin-like shape in which the width of the terminal end 23 gradually increases.

A general portion 20A of the extrusion molding has a series of notches 24a in the longitudinal direction on the rear side substantially at the center of the lip 22 in the width direction.
Are formed to form a lip bending line. A notch 24b, which is continuous with the notch 24a, is formed on the lip 22 on the terminal portion 20B of the molding, and forms a lip bending line. The bent line 24b is connected to the fin-shaped end portion 2.
3 gradually approaches the lip tip line, and almost merges with the tip line near the end of the lip tip line.

FIG. 1 shows a joining portion between the glass seal weather strip 20 having the above-mentioned structure, the opening trim 50 and the door seal weather strip 40.

The glass seal weather strip 20 is fitted to a retainer 16 provided at the door opening edge 15 along the roof side 12 (FIG. 4), and the terminal portion 20B is located near the door belt line 13 (FIG. 4). , Clipped to the body panel.

A flange 17 is formed on the entire periphery of the front portion of the door opening partitioned by the center pillar 13 (FIG. 4), and an opening trim 50 is attached to the flange 17 in series. At the lower half of the opening trim 50 in the form of a loop, a door seal weather strip 40 for sealing the outer periphery of the door when the door is closed is formed along the tubular shape. Line 1
3 is located near.

At the time of assembling the glass seal weather strip 20, the lip 22 is bent at the bending line 24b, and the leading edge is pressed against the side surface of the opening trim 50. At this time, the lower portion of the lip end portion 23 is superimposed on the terminal portion 41 of the door seal weather strip 40, bent at the bending line 24b and sandwiched between the side surfaces of the opening trim 50. The bending line 24b is located at a position slightly apart from the lip tip line at the upper part of the lip end part 23, and forms a gentle line toward the lower part where the terminal part 41 of the door seal weather strip 40 is covered. When approaching, when the leading edge is pushed, it is bent at the bending line 24b and the entire terminal portion 23 is curved in an arc shape. Opening trim 50 and lip 22
The joining line 60 is a smooth line without irregularities up to the end of the lip 22. The terminal part 23 is a bending line 24.
Since it is bent at b and is in pressure contact with the opening trim 50, there is no possibility that part or all of the leading edge of the terminal end portion 23 will protrude above the opening trim 50 during the assembling operation or with the passage of time. Therefore, the sealing property of the joining portion of the glass seal weather strip 20 and the door seal weather strip 40 is good, and the appearance from the vehicle interior is good.

The present invention is also applied to a glass seal weather strip along a center pillar of a vehicle body. As shown in FIG. 3, the glass seal weather strip 30 has an integral structure in which two hollow weather strips are arranged in parallel and connected at the center, and a terminal portion 30B is formed at the lower end of the general portion 30A. Lips 32 extend from both side surfaces of the glass seal weather strip 30, and the end portion 33 has a fin shape directed downward. A bent line 34a, 34b is formed on the lip 32 in a series from the general portion 30A to the terminal portion 30B.
Lip tip line.

The lips 32 on both sides are respectively pressed against opening trims (not shown) attached to the front and rear door opening edges bordering the center pillar 13. The lip termination 3
Numeral 3 wraps around the end of a door seal weather strip (not shown) and is bent along a bending line 34b to press the opening trim. This embodiment also has the same operation and effect as the previous embodiment.

[0019]

According to the present invention, the end portion of the lip of the glass seal weather strip attached to the door opening edge of the automobile and the door seal weather strip have a predetermined shape without variation in the terminal end of the lip. The mating line between the lip and the opening trim always forms a constant gentle line up to the end of the lip, so that the mating portion has good sealing properties and appearance.

[Brief description of the drawings]

FIG. 1 shows a first embodiment of the present invention, in which a terminal portion of a glass seal weather strip and a terminal portion of a door seal weather strip along an upper edge of a door opening of a vehicle body are joined with an opening trim. FIG.

2 (A) is a perspective view of a terminal portion of the glass seal weather strip, and FIG. 2 (B) is a BB line of FIG. 2 (A).
It is a line sectional view.

FIG. 3 shows a second embodiment of the present invention, and is a front view of a terminal portion of a glass seal weather strip along a center pillar.

FIG. 4 is a side view of an automobile to which the present invention is applied.

FIG. 5 (A) is a perspective view of a terminal portion of a conventional glass seal weather strip attached to a door opening edge of a vehicle body, and FIG. 5 (B) is a view showing the weather strip, a door seal weather strip and an opening trim. FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Door 11 Door glass 13 Center pillar 14 Door belt line 15 Door opening edge 20, 30 Glass seal weather strip 20A, 30A General part 20B, 30B Terminal part 22, 32 Lip 23, 33 Lip end part 24a, 24b, 34a, 34b Folding line 40 Door seal weather strip 41 Terminal 50 Opening trim

──────────────────────────────────────────────────続 き Continued on the front page (56) References JP-A-2-216318 (JP, A) JP-A-5-40015 (JP, U) JP-A-6-75842 (JP, U) JP-A-4- 43520 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) B60R 13/06 B60J 10/08

Claims (4)

(57) [Claims] An opening trim is attached to the entire periphery of a door opening edge of an automobile, and a tubular door seal weather strip having a terminal located near a door belt line is provided along a lower half of the opening trim. On the other hand, a glass seal weather strip whose terminal portion is located near the door belt line is attached to the upper half of the door opening edge outside the opening trim, and the side of the glass seal weather strip is opposed to the opening trim. In an automobile sealing structure in which a series of formed lips are pressed against the opening trim and the end of the lip covers the end of the door seal weather strip, the end of the lip is widened downward. Formed in the shape of a fin, with a thin bent line along the lip tip line at the end And a lip tip edge at an end of the lip covering the terminal portion of the door seal weather strip is bent along the bending line, and an opening trim is pressed against the lip tip edge. Seal structure. 2. The glass seal weather strip is a weather strip attached to an upper edge of the door opening edge along a roof side, wherein a terminal of a molded part is connected to a terminal of a general part of an extrusion part. The seal structure for an automobile according to claim 1. 3. The glass strip according to claim 2, wherein the glass seal weather strip is a weather strip to be mounted on a center pillar at the center of a door opening, and has a molded end connected to a lower end of an extruded general part. Automotive seal structure. 4. The lip of the general portion and the lip of the terminal portion are formed with the bent line in a series, and the bent line gradually approaches the lip tip line at the end of the fin-shaped lip. 4. The seal structure for a motor vehicle according to claim 2, wherein: