JP2985668B2 - Automotive weather strip - 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 for an automobile, and more particularly to a weather strip attached to a door opening edge.

[0002]

2. Description of the Related Art As shown in FIG. 3, a weather strip 4 which is pressed by an upper edge of a door glass 3 when a door is closed is attached to a door opening edge 2 along a roof side 1 of a vehicle body.

[0003] Hollow strips are often used as weather strips. Conventionally, a mounting structure for fitting to a retainer provided at a door opening edge has been generally used. However, recently, in order to simplify the mounting structure by omitting the retainer,
Means have been taken to adhere the base of the weatherstrip to the door opening edge using double-sided adhesive tape.

In the case of an adhesive type weather strip, the base is pressed against the edge of the door opening via a double-sided adhesive tape from the side of the seal wall facing the base, and the pressing force is applied to the base. If it does not act sufficiently, the adhesive may peel off. Particularly, adhesive peeling is likely to occur at an edge in the width direction of the double-sided adhesive tape.

[0005]

Therefore, as shown in FIG. 4, the outer and inner side walls 4 of the weather strip 4 are provided.
By forming the base members 2 and 43 together with the base portion 41 from solid rubber, the pressing force from the sealing wall 44 strongly acts on both end edges of the double-sided adhesive tape 5, and the adhesive force to the door opening edge 2 can be reinforced temporarily. (Japanese Utility Model No. 1-112110).

However, when pressing from the side of the seal wall 44 by hand or a pressing roller, depending on the pressing direction, the pressing force acts from the direction inclined with respect to the base 41, and if one of the edges is not sufficiently bonded. May be. In addition, the side walls 42 and 43 are not necessarily provided at the base 41 as shown in FIG.
Is not necessarily at right angles to the base strip 41, but may be at an obtuse angle to the base 41 depending on the weather strip.

In such a weather strip, even if the side walls 42 and 43 are formed of solid rubber, a sufficient pressing force does not always act on the base 41.

Accordingly, the present invention provides an adhesive-type hollow weather strip, which has a stable and sufficient pressing force against a double-sided adhesive tape at the time of adhering to a door opening edge, has excellent adhesiveness, and is excellent in adhesiveness. The object of the present invention is to provide a weather strip having good sealing properties.

[0009]

According to the present invention, as shown in FIG. 1, a hollow weather strip 4 in which a base portion 41 is adhered to a door opening edge 2 by a double-sided adhesive tape 5 is provided in a hollow state. A common top portion 45 is connected to the seal wall 44 which is opposed to the base portion 41 and is pressed by the door glass 3 on the inside of the vehicle from the place where the door glass is pressed .
The base part 4 to which the bridge 45a is connected to the outer side wall 42
1 near the outer end of the vehicle
45b is characterized in that a bridge having a substantially Y-shaped cross section is formed to be connected to the vicinity of the inner end of the base portion 41 to which the side wall 43 on the inner side is connected.

The bridge 45a on the outside of the vehicle is arranged so that the seal wall 44 abuts when the seal wall 44 is pressed by the door glass 3.

[0011]

When a pressing force is applied from the side of the seal wall 44 when the weather strip is attached, the bridges 45a and 45b project like both legs and exert a substantially uniform pressing force on both sides of the base portion 41. This pressing force is applied to both side walls 4
2 and 43, effectively adding to the base 4
1 and the adhesion by the double-sided adhesive tape 5 is ensured.

Further, when the seal wall 44 is pressed by the door glass 3 when the door is closed, the seal wall 44
a, the adhesion between the seal wall 44 and the door glass 3 is improved by the reaction force.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the first embodiment shown in FIG. 1, the weather strip 4 is an extruded product and is entirely surrounded by a base portion 41, a side wall 42 on the outside of the vehicle, a side wall 43 on the inside of the vehicle, and a sealing wall 44. As a fan-shaped hollow body. Base 41
Is thick and made of solid rubber. The side wall 42 on the outside of the vehicle extends to the outside of the vehicle so as to bend from the outside end of the base portion 41, and is made of solid rubber except for the tip of the sponge rubber. The side wall 43 on the inside of the vehicle extends from the inside end of the base portion 41 at an obtuse angle so as to be slightly inclined toward the inside of the vehicle. Only the base portion is made of solid rubber, and the other portions are made of sponge. The ends of both side walls 42 and 43 are connected by a loosely curved sponge rubber seal wall 44.

A bridge of sponge rubber connecting the seal wall 44 and the base 41 is formed in the hollow. The bridge is substantially Y-shaped in cross-section and the common top 45 is
4 extends substantially at right angles to the seal wall 44 from the inside of the vehicle from the pressing position of the door glass 3 and branches off, and the bridge 45a on the outside of the vehicle is connected to the base 41 at a position slightly inside the vehicle from the root of the side wall 42. doing. The bridge 45b inside the vehicle is connected to the root of the side wall 43.

The weather strip 4 has a base 4
1 is attached to the door opening edge 2 along the roof side 1 of the vehicle body with a belt-shaped double-sided adhesive tape 5 over substantially the entire width. In the figure, 6 is a roof side molding,
7 is an opening trim.

At the time of attaching the weather strip, the double-sided adhesive tape 5 is pasted to the bottom surface of the base portion 41 in advance, and pressed against the door opening edge 2 from outside the seal wall 44. At this time, the leg-like bridges 45a and 45b are in a state of being stretched,
A pressing force acts on both ends of the base 41.

At the outer end of the vehicle, a pressing force from the side wall 42 simultaneously acts. However, the side wall 42 is made of solid rubber, but extends obliquely to the pressing force. Efficiency is not always good. However, a necessary adhesive force is ensured by applying a pressing force from the bridge 45a to the outer end portion.

On the other hand, at the inner end of the base portion 41, the pressing force from the bridge 45b that is combined with the side wall 43 is added to the pressing force from the side wall 43, and a sufficient adhesive force can be obtained. . Thus, a uniform and sufficient pressing force acts on both ends of the double-sided adhesive tape 5 and its vicinity where the adhesive peeling is particularly likely to occur, so that the adhesive peeling does not occur.

The bridge 45a on the outer side of the vehicle is
In a direction obliquely crossing the back of the camera. The bridge 45a is set at a position for receiving the pushed portion of the seal wall 44 when the seal wall 44 is pushed by the door glass 3 when the door is closed. Therefore, the adhesion between the door glass 3 and the sealing wall 44 is improved, and the sealing performance is improved. Further, when the door glass position is shifted to the inside of the vehicle due to a variation in installation of the door glass 3, the bridge 45a acts to push the door glass 3 back to a position close to the normal position due to the reaction force.

FIG. 2 shows a second embodiment of the present invention. First
The difference from this embodiment is that the opening trim 7 is integrally formed with the weather strip 4, and the side wall 71 on the outside of the vehicle of the opening trim 7 is the side wall on the inside of the weather strip 4. A bridge having a substantially Y-shaped cross section is formed in the hollow of the weatherstrip 4, and the common top portion 45 is sealed on the inside of the vehicle from the pressed portion of the door glass 3.
The bridge 45a on the outside of the vehicle connected to the wall 44 is connected to the base 41 at an inside position close to the root of the side wall 42, and the bridge 45b on the inside of the vehicle is connected to the root of the side wall 71. It is connected to the base 41 at an outer position.
The base portion 41 is adhered to the door opening edge 2 by two double-sided adhesive tapes 5a and 5b parallel to each other on the outside and inside of the vehicle. Other structures are substantially the same as those of the first embodiment.

In this embodiment, the double-sided adhesive tape 5a includes
A pressing force acts from the side wall 42 and the bridge 45a,
A pressing force acts on the double-sided adhesive tape 5b from the side wall 71 and the bridge 45b, and both the tapes 5a and 5b secure sufficient adhesive strength. At the same time, the bridge 45a improves the sealing performance between the door glass 3 and the sealing wall 44.

[0022]

According to the present invention, when the base portion of the hollow weather strip is bonded via the double-sided adhesive tape, a sufficient and even pressing force is applied to the base portion, especially both ends thereof. And can be bonded without peeling.

[Brief description of the drawings]

FIG. 1 is a sectional view of a first embodiment of the present invention, taken along line AA of FIG. 3;

FIG. 2 is a sectional view of a second embodiment of the present invention, taken along line AA of FIG. 3;

FIG. 3 is a side view of an automobile to which the weather strip of the present invention is applied.

FIG. 4 is a cross-sectional view of a conventional weather strip in an attached state along line AA in FIG. 3;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Roof side 2 Door opening edge 3 Door glass 4 Weather strip 41 Base part 42 Outer side wall 43, 71 Inner side wall 44 Seal wall 45, 45a, 45b Bridge 5, 5a, 5b Double-sided adhesive tape

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B60J 10/04 B60R 13/06

Claims (2)

(57) [Claims] 1. A weather strip attached to a door opening edge along a roof side of a vehicle body, comprising: a base portion; a side wall connected to both ends of an outer side and an inner side of the base portion; In a weather strip in which a hollow body is formed by a connecting seal wall and a base portion is adhered to a door opening edge with a double-sided adhesive tape, a common top portion is formed in the hollow by a door glass.
Connected to the seal wall on the inside of the
The outer bridge and the inner bridge
A weather strip for an automobile, wherein a bridge having a substantially Y-shaped cross section is formed to be connected to the vicinity of an end on the inside of the vehicle at the base portion to which both side walls are connected. Wherein the bridge of the vehicle exterior side, automobile weather strip according to claim 1, wherein was placed abutting the said seal wall when the sealing wall is pressed against by the door glass.