JPH10272929A - Door weather strip structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door weather strip structure which securely fixes and retains a door weather strip to a door frame and improves a sealing property. SOLUTION: With regard to a door weather strip structure including a door weather strip 13 fitted around a door frame 12 composing an automotive door 11 and fixes and retains the door weather strip 13 to the door frame 12 by engaging an engaging pawl 13a provided on the inner end of the door weather strip 13 with an engaging piece 12a provided on the door frame 12, the door weather strip 13 is fixed and retained towards the door opening/closing direction by engaging, at the corner of the door weather strip 13, a fitting hole 13c provided on the door weather strip corner with a fitting part 12c planted on the door frame 12 lateral peripheral inner surface facing the inside of a cabin.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a weatherstrip structure for a door mounted around a door frame of an automobile.

[0002]

2. Description of the Related Art Conventionally, an automobile door 1 is pivotally supported at one side (in the illustrated case, left side) by an unillustrated hinge with respect to an automobile body 2 as shown in FIG. When the door is closed, the door weather strip 4 (see FIGS. 8 and 9) attached to the periphery of the frame 3 of the door 1 is pressed against the frame 5 on the body side so that the passenger compartment can be airtightly closed. It has become.

Here, the weather strip 4 for a door is
As shown in FIGS. 8 and 9 and more particularly FIGS. 10 to 12, the whole is formed in a hollow shape so as to be able to elastically contact the body frame 5, and the inner end face is It has a protruding portion 4a that can be engaged with an engaging portion 3a provided along the periphery of the door frame 3, and a lip portion 4b extending beyond the side edge of the door 1 toward the opposite side (outside). doing.

In the door weather strip structure having such a configuration, the door weather strip 4 has a projection 4a engaged with an engagement portion 3a provided around the door frame 3 so that the door frame 3 can be opened. Is fixedly held.

[0005]

However, the weather strip 4 for a door having such a structure, with respect to the door frame 3 only when its protruding portion 4a is engaged with the engaging portion 3a of the door frame 3. Fixedly held. Therefore, when the door 1 is opened and closed, the door weather strip 4 moves along the engaging portion 3a of the door frame 3 at the corner as shown by the arrow P in FIG. Sometimes. As a result, the weather strip 4 for the door has its lip portion 4b
However, as shown by the dashed line 4c in FIG. 8, the protrusion protrudes outside the predetermined protrusion allowance b, and the external appearance is deteriorated.

Due to this, the contact of the weather strip 4 for the door with the door frame 3 is not sufficiently performed, and the sealing performance is deteriorated. Or running noises enter the passenger compartment. And when opening and closing the door,
The door weather strip 4 and a part of the vehicle body 2 may come into contact with each other. In some cases, the door weather strip 4 moves and hits an edge portion of the door frame 3 to crack the door weather strip 4. May occur.

When the weather strip 4 for the door is pulled in the direction of arrow Q in FIGS. 9 to 11, the engaging claws 4a of the weather strip 4 for the door are deformed, and the weather strip 4 for the door is moved to the door frame. There is also a problem that it is easily disengaged from the engaging portion 3a.

SUMMARY OF THE INVENTION In view of the above, the present invention provides a door weatherstrip structure in which the door weatherstrip can be securely fixed and held to the door frame, thereby improving the sealing performance. The purpose is.

[0009]

According to the present invention, there is provided, in accordance with the present invention, an engaging claw provided on an inner end surface of a weatherstrip for a door mounted around a door frame constituting a door of an automobile. In a weatherstrip structure for a door, which is fixedly held to a door frame by engaging an engaging portion provided on the door frame,
At the corner portion of the door weather strip, a fitting hole provided on the side face is fitted to a fitting portion planted on an inner surface of a side edge of the door frame facing the vehicle interior,
The door weather strip is configured to be fixedly held in the door opening and closing direction.

In the weatherstrip structure for a door according to the present invention, preferably, the fitting portion on the door frame side is a T-shaped stud.

In the weatherstrip structure for a door according to the present invention, preferably, the fitting hole of the weatherstrip for the door is formed in a clip shape so as to hold the T-shaped stud.

According to the above construction, the weatherstrip for the door is engaged with the engagement portion of the door frame by the engagement claw provided on the inner end surface thereof, so that the door weatherstrip is along the engagement portion with the door frame. The engaging portion is fixed and held in a direction other than the direction, and a fitting hole provided in a side surface of the engaging portion is fitted into a fitting portion implanted on an inner surface of a side edge of the door frame facing the vehicle interior. Is fixedly held in the direction along. Thus, the door weatherstrip can be securely fixed to the door frame.

Therefore, even if a force is applied to the door weather strip in a direction perpendicular to the door surface and perpendicular to the door side edge when the door is opened and closed, the fitting hole is formed in the fitting portion of the door frame. Since they are fitted, they do not move or come off in this direction.
As a result, the weather strip for the door is reliably brought into contact with the door frame, so that the sealing performance is improved and the airtightness and sound insulation are not impaired.

Since the lip portion of the weatherstrip for the door does not protrude beyond the predetermined protruding margin to the outside of the door, the external appearance is not impaired.
Furthermore, even if the lip portion of the door weather strip is pulled outward, the door weather strip does not easily come off the door frame.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail based on embodiments shown in the drawings. FIG. 1 shows an embodiment of a weatherstrip structure for a door according to the present invention. In FIG. 1, a weather strip structure 10 for a door is shown.
Is formed of a weatherstrip 13 for a door, which is attached along the periphery of a door frame 12 of a door 11 with respect to an automobile as in the prior art.

As shown in FIGS. 1 and 2, and more particularly FIGS.
The whole is formed in a hollow shape so as to be able to elastically contact the body frame 14, and an engagement portion 12 a provided on the inner end surface along the periphery of the door frame 12.
And a lip 13b extending beyond the side edge of the door 11 toward the opposite side (outside).

The above configuration is the same as that of the conventional weatherstrip 4 for a door shown in FIGS.
Door weatherstrip structure 1 according to an embodiment of the present invention
0, a fitting hole 13c is provided in a side surface of a corner portion of the door weather strip 13 and a side edge inner surface of the door frame 12 facing the fitting hole 13c and facing the vehicle interior. 12b, a fitting portion 12c
Is provided. In this case, the fitting portion 12c is a T-shaped stud planted on the inner side surface 12b, for example, as shown in FIG. 2B. On the other hand, the fitting hole 13
2c is formed in a clip shape so as to sandwich the T-shaped stud, for example, as shown in FIG.

As a result, the weather strip 13 for the door is provided.
As shown in FIG. 6, the fitting hole 13 c is fitted to the fitting portion 12 c of the door frame 12 to be fixedly held to the door frame 12.

The weatherstrip structure 10 for a door according to the embodiment of the present invention is configured as described above. The weatherstrip 13 for the door has a projection 13a having an engagement portion 12a provided around the door frame 12. The door frame 12 is fixedly held by the door frame 12, and the fitting hole 13 c is fitted into the fitting portion 12 c of the door frame 12, thereby further improving the door frame 1.
2 will be fixedly held. Thus, the door weather strip 13 is securely fixed and held to the door frame 12 by the fitting between the fitting hole 13c and the fitting portion 12c of the door frame 12.

Here, when the door 11 of the automobile is closed, the weather strip 13 for the door and the lip portion 13b
Is elastically deformed as shown by a dashed line in FIGS. 3, 4 and 6, and when the door is opened and closed, a door weather strip 13 is provided at a corner portion, as shown by an arrow P in FIG. Even if a force is applied in the direction along the engaging portion 12a, the door weather strip 13
The fitting hole 13a is inserted into the fitting portion 12 of the door frame 12.
By being fitted to c, it does not move in this direction. Therefore, the weather strip 13 for the door
Is reliably brought into contact with the door frame 12, so that the sealing performance is improved, so that the airtightness and the sound insulation are not impaired.

Further, the lip portion 13b of the weatherstrip 13 for the door does not protrude beyond the predetermined protruding margin b to the outside of the door 11, so that the external appearance is not impaired.

Even if the lip portion 13b of the weather strip 13 for the door is pulled outward in the direction of arrow Q in FIG. 5, the fitting hole 13a of the weather strip for the door is fitted in the door frame 12. Since the door frame 12 is fitted to the joint 12c, the door frame 12 does not easily come off.

[0023]

As described above, according to the present invention, the weatherstrip for a door is engaged with the engaging portion of the door frame by the engaging claw provided on the inner end surface thereof, so that the door weatherstrip can be moved relative to the door frame. And a fitting hole provided in a side surface thereof is provided in a fitting portion implanted in a side edge inner surface of the door frame facing the vehicle interior. By fitting, it is fixed and held in the direction along the engaging portion. Thus, the weatherstrip for the door is securely fixed to the door frame.

Therefore, even if a force is applied to the door weather strip in the direction perpendicular to the door surface and perpendicular to the door side edge when the door is opened and closed, the fitting hole is formed in the fitting portion of the door frame. Due to the fitting, there is no movement or disengagement in this direction.
This ensures that the weather strip for the door abuts against the door frame, improves the sealing performance, and does not impair the airtightness and sound insulation.

Further, since the lip portion of the weatherstrip for the door does not protrude beyond the predetermined protruding margin outside the door, the appearance appearance is not impaired. Furthermore, even if the lip portion of the door weather strip is pulled outward, the door weather strip does not easily come off the door frame.

Thus, according to the present invention, there is provided an extremely excellent weatherstrip structure for a door, in which the sealing property is improved by securely fixing the weatherstrip for the door to the door frame. .

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of a corner portion of an embodiment of a weatherstrip structure for a door according to the present invention as viewed from the outside.

FIG. 2 is an exploded perspective view of a corner portion of the weatherstrip structure for a door according to the present invention as viewed from the inside.

FIG. 3 is a sectional view taken along line AA in FIG.

FIG. 4 is a sectional view taken along line BB in FIG.

5 is a partially enlarged cross-sectional view showing an engagement state between a door weather strip and a door frame in FIGS. 3 and 4. FIG.

FIG. 6 is a sectional view taken along line CC in FIGS. 1 and 2;

FIG. 7 is a schematic side view showing a door portion of a general automobile.

8 is a schematic perspective view of a corner portion of a weatherstrip structure for a door attached to a door frame of the automobile shown in FIG. 7, as viewed from the outside.

9 is a schematic perspective view of a corner portion of the weatherstrip for a door of FIG. 8 as viewed from the inside.

FIG. 10 is a sectional view taken along line AA in FIGS. 8 and 9;

FIG. 11 is a sectional view taken along line BB in FIGS. 8 and 9;

FIG. 12 is a sectional view taken along line CC in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Weather-strip structure for doors 11 Door 12 Door frame 12a Engagement part 12b Side edge inner surface 12c Fitting part (T-shaped stud) 13 Weatherstrip for door 13a Engagement claw 13b Lip part 13c Fitting hole 14 Body frame

Claims (3)

[Claims] 1. A door weather strip which is mounted around a door frame constituting a door of an automobile, wherein the door weather strip has an engaging claw provided on an inner end surface thereof provided on the door frame. The door weatherstrip structure is fixedly held to the door frame by engaging with the engagement portion, and a fitting hole provided in a side surface of the door weatherstrip at a corner portion of the door weatherstrip is provided. A weatherstrip structure for a door, wherein a weatherstrip for a door is fixedly held in a door opening / closing direction by engaging with a fitting portion implanted on an inner surface of a side edge of the frame facing the vehicle interior. . 2. The door weatherstrip structure according to claim 1, wherein the fitting portion on the door frame side is a T-shaped stud. 3. The door weatherstrip structure according to claim 2, wherein a fitting hole of the door weatherstrip is formed in a clip shape so as to hold the T-shaped stud. .