JP2002079835A - Door seal structure for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door seal structure for vehicle with improved outward appearance without increasing cost. SOLUTION: A door seal 3 attached on a door trim 2 mounted on a door body 1 and sealing an interval between the door trim 2 and a kicking plate 10 on a body side, comprises a seal body 4 elastically deformed to follow a shape of a downward surface portion 2a of the door trim 2 so as to be mounted and encircled on the downward surface portion 2a, thereby sealing the interval between the door trim 2 and the kicking plate 10; and a plurality of engaging piece 5 integrally and intermittently formed to the seal body 4. An engaging projection 5b to be engaged with an engaging hole 2c formed on the door trim 2 is formed on the engaging piece 5, and by engaging the engaging projection 5b with the engaging hole 2c on the door trim 2, the door seal 3 can be attached to the door trim 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door seal structure for an automobile, which is mounted on a door trim for mounting a door body and seals between the door trim and a vehicle body.

[0002]

2. Description of the Related Art Conventionally, as a door seal structure of this kind,
For example, those shown in FIGS. 7 to 11 are known.

According to FIGS. 7 to 11, in a door trim a for mounting a door body (not shown), a door seal b is mounted so as to surround a lower end thereof, and when the door body is closed, the door seal b faces the vehicle body. The seal between the door trim a and the vehicle body is performed in close contact.

The door seal b has a seal lip c for performing a sealing function and a mounting piece d formed on the seal lip c.
It is composed of

[0005] The mounting piece d comprises an iron core material e and a rubber skin material f surrounding the core material e, and the skin material f and the seal lip c are integrally formed.

The mounting piece d is cut and raised at a predetermined gap in the longitudinal direction to form an engaging piece g. The portion after the engaging piece g is formed is cut out. Section h.

Further, as shown in detail in FIG. 11, since the door seal b is mounted following the shape of the corner of the door trim a, a portion of the door seal b corresponding to the corner of the door trim a is provided with: The V-shaped cut portion j is formed in advance. In order to attach the conventional door seal b configured as described above to the door trim a, an engaging piece g is inserted into an engaging hole i formed at the lower end of the door trim a, and then bent to stop at the door trim a. I'm wearing

[0008]

In the conventional automobile door seal structure constructed as described above, when the engaging piece g is inserted into the engaging hole i and then bent, the core is cut and raised to expose the core. The material e is exposed on the outer surface of the door trim a, and the appearance is deteriorated due to a different color from the skin material f. To prevent this, the core material e is painted in the same color as the skin material f. If this is the case, it will be a factor of cost increase.

Further, the presence of the cutout portion h or the V-shaped cut portion j formed by cutting and raising the engagement piece g can be observed from the outside, and the appearance is inevitably degraded from this point as well.

In view of the above, an object of the present invention is to provide a door seal structure for an automobile which improves the appearance without increasing the cost.

[0011]

In order to achieve the above object, the present invention provides a door seal which is mounted on a door trim for mounting a door body and seals between the door trim and a vehicle body, including a corner of the door trim. A seal body that elastically deforms so as to follow the shape of the downward facing surface portion and is mounted around the downward facing surface portion of the door trim and closely adheres to the vehicle body to seal between the door trim and the vehicle body;
A plurality of engaging pieces formed intermittently and integrally with each other in the longitudinal direction of the seal body, and an engaging projection for engaging an engaging hole formed in the door trim is formed on the engaging piece; The seal main body is attached to the door trim by engaging an engagement projection with the engagement hole on the door trim side.

According to the present invention, the door seal has a plurality of engaging pieces integrally formed on the seal body intermittently, so that the conventional core material is exposed or the engaging pieces are cut and raised. The formed notch or V-shaped cut can be eliminated, which contributes to improving the appearance of the door trim. Furthermore, the mounting of the engagement piece to the door trim can be performed only by pulling the engagement piece into the engagement hole on the door trim side,
Workability can be improved without requiring a conventional bending operation.

Further, the engaging piece in the present invention is formed by cutting out a band-shaped projecting piece continuously formed on the seal main body with an appropriate gap therebetween, so that the entire door seal is extruded as in the prior art. It can be manufactured by molding or the like.

Further, since the engaging pieces in the present invention are arranged symmetrically with respect to the longitudinal center line of the seal main body, they can be commonly used for both right and left door trims of the vehicle body. .

Further, since the seal body in the present invention is formed in a tubular body having a hollow portion, the seal body can more easily follow the shape on the vehicle body side, and an improvement in the sealing function can be expected.

Further, according to the present invention, since the partition wall which divides the hollow portion of the seal body into two is provided, each of the pair of divided hollow portions formed by dividing the hollow portion by the partition wall has a sectional shape. By selecting the size, the degree of collapse of the seal body by the vehicle body can be selected in design, and the degree of freedom in design increases.

Further, in the present invention, the engagement piece between the seal main body and the engagement projection is integrally formed with a lip-shaped seal portion which is in close contact with the door trim, so that the function of the seal main body with respect to the vehicle body is reduced. In addition, the function of sealing the door trim can be achieved, and the function of sealing the door trim and the vehicle body in the entire door seal can be further improved.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to FIGS.

FIG. 1 is a front view of a door trim for an automobile adopting a first embodiment of the present invention, FIG. 2 is a sectional view taken along line AA of FIG. 1, and FIG. A of FIG. 1 showing a state where it has been crushed and elastically contacted.
FIG. 4 is a perspective view of the door seal in FIG. 1.

1 to 4, a door trim 2 covers a door body 1, and the door trim 2 extends from a downwardly facing surface portion 2a of a lower end portion to a part of both corners 2b, 2b in a round shape. Thus, the door seal 3 is mounted around.

The door seal 3 is made of an elastic material such as rubber or polyethylene foam. The door seal 3 is elastically deformed so as to follow the shape of the downwardly facing surface 2a and the two corners 2b, 2b of the door trim 2, and is attached to the kick plate 10 on the vehicle body side. A seal body 4 for sealing between the door trim 2 and the kick plate 10 by being in close contact with each other;
And a plurality of engaging pieces 5 formed integrally with the engaging member 5.

The seal body 4 has a tubular shape having a hollow section 4a and a substantially cross-sectional shape similar to a heart.

Each of the engagement pieces 5 protrudes from the seal body 4 by integral molding, and is formed intermittently in the longitudinal direction of the seal body 4, and has a relatively thick base end 5a and base end 5a.
a engaging projections 5 continuously formed so as to protrude on both sides of
b and a relatively thin end portion 5c formed continuously with the engagement protrusion 5b.

The door seal 3 is inserted into the engaging hole 2c formed in the downward facing surface 2a of the door trim 2 from the distal end 5c, and when the base end 5a reaches the engaging hole 2c, the engaging projection 5b is moved to the door trim 2. Is engaged with the engagement hole 2c from the inside of the
It is designed to be mounted on the door trim 2.

More specifically, the base end portion 5a has a constricted portion 5e at the insertion portion of the engagement hole 2c, and as a result, a step portion 5f is formed. The door trim 2 is configured to be sandwiched between the mating protrusions 5b.

At this time, the seal body 4 is positioned so as to protrude below the downward surface 2a of the door trim 2 and is made of soft elasticity. Of course, it can be elastically deformed along the shape of the corners 2b, 2b as well as along the shape. On the other hand, the engagement piece 5 is formed as a rigid body to some extent, but is formed intermittently with a gap in the longitudinal direction of the seal main body 4, so that the seal main body 4 extends along the downward surface 2 a of the door trim 2. When elastic deformation of 4 occurs, it can easily follow this deformation.

As a result, when the door body 1 is closed, the sealing body 4 is elastically deformed so as to be crushed by the kick plate 10 on the vehicle body side (the state shown in FIG. 3), and the kick plate 10 on the vehicle body side and the door trim 2 Will be sealed.

According to the above embodiment, the door seal 3
However, since the engaging piece 5 is integrally formed with the seal body 4, a conventional core material is exposed, and a notch or a V-shaped cut formed by cutting and raising the engaging piece 5 is eliminated. This contributes to improving the appearance of the door trim 2. Furthermore, the engagement piece 5 can be attached to the door trim 2 only by pulling the engagement piece 5 into the engagement hole 2c on the door trim 2 side. Can be improved.

Further, since the seal body 4 is formed in a tubular body having the hollow portion 4a, the seal body 4 can more easily follow the kick plate 10 on the vehicle body side, and an improvement in the sealing function can be expected.

The door seal 3 in the above embodiment is
As shown in FIG. 4, a strip-shaped projecting piece for forming the engaging piece 5 is continuously formed on the seal body 4, and then the cutting piece 6 is cut off to form the engaging piece 5. Therefore, it can be manufactured by extrusion molding or the like as in the related art.

FIGS. 5 and 6 show another embodiment of the present invention.

According to FIG. 5, the overall shape of the seal body 4 is substantially the same as that of the above-described embodiment. are doing.

As a result, by selecting the sectional shape of the divided hollow portions 4b and 4c, the degree of collapse of the seal body 4 by the kick plate 10 on the vehicle body side can be designed, and the degree of design freedom can be increased. Will increase.

According to the embodiment shown in FIG. 5, a lip-shaped seal portion 5d is integrally formed at the base end portion 5a of the engagement piece 5 between the seal body 4 and the engagement protrusion 5b. By attaching to the door trim 2, the lip-shaped seal portion 5d is elastically brought into contact with the downwardly facing surface portion 2a of the door trim 2.

As a result, together with the sealing function of the seal body 4 with the kick plate 10 on the vehicle body side, the sealing function with the door trim 2 is achieved, and the door trim 2 and the kick plate 10 on the vehicle body side of the entire door seal 4 are formed. The sealing function can be further improved.

In the embodiment shown in FIG. 6, the plurality of engaging pieces 5 are arranged symmetrically with respect to the center line O in the long side direction of the seal body 4, and as a result, The door trim 2 can be commonly used for the left and right door trims 2 of the vehicle body.

[0037]

As described above, according to the present invention,
Since the door seal is configured such that the engagement piece is integrally formed with the seal body, the conventional core material is exposed or the notch formed by cutting and raising the engagement piece or a V-shaped cut. The parts can be eliminated, which contributes to improving the appearance of the door trim.

Further, according to the present invention, the fitting of the engaging piece to the door trim can be performed only by pulling the engaging piece into the engaging hole on the door trim side, which requires a conventional bending operation. Workability can be improved.

[Brief description of the drawings]

FIG. 1 is a front view of an automobile door trim employing a first embodiment of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG. FIG. 4 is a sectional view taken along line AA of FIG. 1 showing a state in which the seal body is crushed and elastically contacted with a kick plate on the vehicle body side. FIG. 4 is a perspective view of the door seal in FIG.

FIG. 3 is a cross-sectional view taken along the line AA of FIG. 1, showing a state where the seal body is crushed and elastically contacted with a kick plate on the vehicle body side.

FIG. 4 is a perspective view of the door seal in FIG. 1;

5 shows another embodiment of the present invention, FIG.
It is A sectional drawing.

FIG. 6 is a front view of a door seal showing still another embodiment according to the present invention.

FIG. 7 is a front view of a conventional automobile door trim.

FIG. 8 is an enlarged view inside a B circle in FIG. 7;

FIG. 9 is a sectional view taken along line DD in FIG. 8;

FIG. 10 is a sectional view taken along the line EE of FIG. 9;

FIG. 11 is an enlarged view inside a circle c in FIG. 7;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Door main body 2 Door trim 2a Downward surface part 2b Corner part 2c Engagement hole 3 Door seal 4 Seal main body 4a Hollow part 4b, 4c Division hollow part 5 Engagement piece 5b Engagement protrusion 7 Partition 10 Kicking plate (vehicle body)

Claims (6)

[Claims] 1. A door seal mounted on a door trim for mounting a door body and sealing between the door trim and a vehicle body by elastically deforming so as to follow the shape of a downward facing surface portion including a corner portion of the door trim. A seal body for sealing between the door trim and the vehicle body by being closely attached to the vehicle body and attached to the downward surface portion,
A plurality of engaging pieces formed intermittently and integrally with each other in the longitudinal direction of the seal body, and an engaging projection for engaging an engaging hole formed in the door trim is formed on the engaging piece; A door seal structure for an automobile, wherein the seal main body is attached to the door trim by engaging an engagement projection with the engagement hole on the door trim side. 2. An automobile door seal according to claim 1, wherein said engaging piece is formed by cutting out a band-shaped projecting piece continuously formed on said seal body with an appropriate gap therebetween. Construction. 3. The seal structure for an automobile according to claim 1, wherein the engagement pieces are symmetrically arranged with respect to a center line in a length direction of the seal body. 4. The vehicle door seal structure according to claim 1, wherein the seal body is formed in a tubular body having a hollow portion. 5. The door seal structure for an automobile according to claim 4, wherein a partition wall for dividing a hollow portion of the seal body into two parts is provided. 6. A lip-shaped seal portion which is in close contact with a door trim is formed integrally with an engagement piece between the seal main body and the engagement protrusion. An automotive door seal structure as described in the above.