JPH07257181A - Connecting structure of weather strip of automobile - Google Patents

Abstract

PURPOSE:To stabilize the fitting condition, and improve the anti-theft capability by embedding in a formed core part a reinforcing core which is projected from the end part of the corner part to a door waist weather strip side, and held between this weather strip and a flange part of an opening part of the door waist. CONSTITUTION:At a door sash part of an automobile, a glass-run weather strip 3 arranged along a door sash part and the end part of a door waist weather strip 5 arranged along a door waist part are connected to each other through a formed corner part 17 to be integrated with at least the glass-run weather strip 3. A reinforcing core 18 made of metallic sheet stretching over the door waist weather strip 5 side is embedded in the formed corner part 17. One end part of this reinforcing core 18 along the formed corner part 17 is embedded in an approximately U-shaped base part 19, while the other end part is projected in a groove part 14.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle weather strip connection structure, and more particularly to a structure for connecting a glass run weather strip at a door sash portion and a door waist weather strip at a door waist portion to each other.

[0002]

2. Description of the Related Art As shown in FIG. 8, a glass run weather strip 3 disposed along a door sash portion 2 and a door waist weather strip 5 disposed along a door waist portion 4 of a vehicle door 1. At the intersection of and, the end portion of the grass run weather strip 3 and the end portion of the door waist weather strip 5 are connected to each other through the molding corner portion 6 (for example, Japanese Utility Model Publication No. 2-3919). See the bulletin).

Specifically, as shown in FIG. 9, for example, of the grass run weather strip 3 having an outer lip 3a and an inner lip 3b, the outer lip 3a to be located on the outer side of the vehicle compartment is partially cut from the cut line 7. The glass run weather strip 3 from which the outer lip 3a was cut off and the door waist weather strip 5 molded separately from the glass run weather strip 3 were set in a mold (not shown) so as to have a predetermined relative positional relationship. The rubber material is injected above and the molding corner portion 6 is integrally molded by a so-called molding method. As a result, the end portion of the outer lip 3a of the grass run weather strip 3 and the door waist weather strip 5 are connected to each other at the connecting portions 8 and 9 via the die-molding corner portions 6 formed by the die molding. become.

As another structure, for example, FIGS.
As shown in FIG. 1, the molding corner portion 16 is preliminarily formed integrally with only the outer lip 3a of the glass run weather strip 3, while the cover protrusion 10 is pre-staged at the end of the door waist weather strip 15. Meanwhile, the cover projection 10 is superposed on the end 16a of the molding corner 16 while fitting the molding corner 16 and the grooves 11 and 12 of the door waist weather strip 15 into the corresponding flanges on the door side. In some cases, the two may be connected so as to face each other.

[0005]

[Problems to be Solved by the Invention]
In the conventional structure shown in FIG. 1, unlike the general parts of the other door waist weather strips 5 and 15, the mold forming corner portions 6 and 16 are not embedded with the core metal 14, so The fitting holding force with respect to the flange portion is insufficient, and it tends to come off. Therefore, if the outer lip portions of the die-molding corner portions 6 and 16 are flipped up to be removed, they can be easily removed, leaving a problem in terms of so-called anti-theft property.

Although the glass run weather strip 3 has no core metal embedded therein, the glass run weather strip 3 itself is held by a door sash portion having a substantially U-shaped cross section (not shown). There is no shortage of holding power.

Further, as described above, since the molding corner portions 6 and 16 in which the core metal 14 is not embedded are inadequate in terms of rigidity, deformation due to sliding resistance with the door glass is caused by the seal lip. Not only 6b and 16b but also the main body (base) of the molding corners 6 and 16, the sealing performance is reduced and the appearance is also poor.

The present invention has been made in view of the above problems, and enhances the holding force and the rigidity of the molding corner portion connecting the grass run weather strip and the door waist weather strip to improve the anti-theft property. Another object is to provide a structure with improved sealability and appearance.

[0009]

SUMMARY OF THE INVENTION The present invention is a glass run weather strip disposed along the door sash portion of a vehicle door and an end portion of the door waist weather strip disposed along the door waist opening. And a glass run weather strip at least via a molding corner portion integrally molded with each other, in a vehicle weather strip connection structure, wherein the molding corner portion has the molding corner portion. A reinforcing core material protruding from the end portion of the door to the door waist weather strip side and sandwiched between the door waist weather strip and the flange portion of the door waist opening portion is embedded.

[0010]

According to this structure, at the connecting portion between the mold forming corner portion and the door waist weather strip, the reinforcing core material that extends over both of them is embedded in the mold forming corner portion, and thus the mold forming corner portion is formed. Both the holding power and the rigidity are improved.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a diagram showing an embodiment of the present invention, in which parts common to those in FIG.

As shown in FIG. 1, the outer lip 3a of the grass run weather strip 3 and the door waist weather strip 5 are connected to each other through a molding corner portion 17 integrally formed with them, as shown in FIG. Which is the same as that shown in FIG.
Is different in that a reinforcing core member 18 made of a metal plate is embedded over the door waist weather strip 5 side.

As shown in FIGS. 2 and 3 in addition to FIG. 1, one end of the reinforcing core 18 along the molding corner 17 has a substantially U-shaped base portion of the molding corner 17. While it is completely embedded in 19, the other end portion of the reinforcing core member 18 facing the door waist weather strip 5 side has the door waist weather strip 5
It is not embedded in the base portion 20 having a U-shaped cross section, but simply protrudes into the groove portion 14. This is because, when the mold forming corner portion 17 and the door waist weather strip 5 are compared, the outermost surface shapes of both are substantially the same, but the width dimensions of the groove portions 11 and 12 of both are different. Is.

Here, in order to embed the reinforcing core material 18 in the mold forming corner portion 17, the reinforcing core material 18 is set in advance in a mold for molding the mold forming corner portion 17, and then By molding using the reinforcing core material 18 as an insert, the reinforcing core material 18 is embedded in a predetermined position of the molding corner portion 17.

In the structure of the weather strip as described above, as shown in FIGS.
The groove portion 11 of the door waist weather strip 5 is also fitted to the groove portion 11 of the door waist weather strip 5
2 fits into the flange portion 22 of the door waist portion. At that time, as shown in FIG. 3, one end portion of the reinforcing core member 18 protruding from the molding corner portion 17 to the groove portion 12 side of the door waist weather strip 5 has a flange portion 22 of the door waist opening and the door waist weather strip 5 as shown in FIG. Base 20
Be held in between.

By embedding the reinforcing core material 18 in the base portion 19 having a substantially U-shaped cross section of the molding corner portion 17, the fitting holding force with respect to the mating flange portion 22 is increased, and moreover, Since the reinforcing core material 18 extends over the door waist weather strip 5 side, its rigidity is also high. Therefore, the molding corner portion 17 is less likely to come off from the flange portion 22 on the other side, which is advantageous in terms of anti-theft property. Further, deformation of the molding corner portion 17 due to sliding with the door glass is suppressed and the sealing performance is improved. It can contribute to the improvement of appearance as well as the improvement of.

FIGS. 4 and 5 show a second embodiment of the present invention, in which parts common to those in FIGS. 10 and 11 are designated by the same reference numerals.

In this embodiment, the molding corner portion 23 is provided with the outer lip 3a of the glass run weather strip 3.
When integrally molding in advance only at the connecting portion 8, the reinforcing core material 18 is embedded in the molding corner portion 23 and one end of the reinforcing core material 18 is projected to the door waist weather strip 15 side. It was made to let. And
The reinforcing core material 18 is set as an insert in the mold in advance when the mold forming corner portion 23 is molded, so that the mold forming corner portion 23 is completed at the same time when the molding of the mold forming corner portion 23 is completed. It is embedded in and integrated with.

In the case of this embodiment, the mold forming corner portion 23 which is previously attached to the glass run weather strip 3 side and the groove portions 11 and 12 of the door waist weather strip 15 which are separate from the mold forming corner portion 23 respectively correspond to the corresponding doors. While fitting the flange portion on the side, the cover projection portion 10 on the side of the door waist weather strip 15 is overlapped with the end portion of the molding corner portion 23, and they are connected so as to abut each other.

At this time, the one end portion of the reinforcing core member 18 which is projected from the die-molding corner portion 23 to the outside in advance has the door waist weather strip 15 just like the case of the first embodiment shown in FIGS. And the flange part of the door waist 2
As a result, the reinforcing core material 18 as a whole contributes greatly to the improvement of the fitting holding force and rigidity of the molding corner portion 23.

FIG. 6 is a diagram showing a third embodiment of the present invention.
Outer lip 3a of grass run weather strip 3
4 is different from that shown in FIG. 4 in that the connecting portion 25 between the mold forming corner portion 24 and the mold forming corner portion 24 is formed in a substantially crank shape. Also in the case of this embodiment, the same operational effects as those of the first and second embodiments can be obtained.

FIG. 7 is a diagram showing a fourth embodiment of the present invention.
A substantially U-shaped hook portion 27 is formed in advance on an end portion of the reinforcing core member 26 protruding from the molding corner portion 24 to the door waist weather strip side, and a notch portion 28 is formed on the flange portion 22 of the door waist portion. The hook 27 is engaged with the notch 28 when the molding corner 24 is attached to the flange 22.

In the case of this embodiment, in addition to the same effects as the above-mentioned embodiments, there is an advantage that the relative positions of the flange portion 22 and the molding corner portion 24 can be regulated and positioned.

Here, in the third and fourth embodiments shown in FIGS. 6 and 7, the molding corner portion 24 and the door waist weather strip are integrally molded as in the case shown in FIGS. Although the example applied to the type in which they are connected to each other without abutting each other is shown, the above-mentioned mold forming corner portion 24
It goes without saying that the invention can also be applied to the type of FIG. 1 in which the door waist weather strip and the door waist weather strip are integrally molded.

[0025]

As described above, according to the present invention, at the molding corner portion, the end portion of the molding corner portion projects toward the door waist weather strip, and the flange portion of the door waist weather strip and the door waist opening portion. With a structure in which a reinforcing core material that is sandwiched between and is embedded, the mating retention force of the molding corner part on the mating flange part is high and it will not come off easily, and the mounting state will be stable and anti-theft Is improved.

Further, since the rigidity of the molding corner is increased, the molding corner is prevented from being deformed more than necessary by sliding with the door glass, and the appearance is improved together with the improvement of the sealing performance. To do.

[Brief description of drawings]

FIG. 1 is a perspective view of essential parts showing a first embodiment of the present invention.

FIG. 2 is a sectional view taken along the line AA of FIG.

3 is a sectional view taken along the line BB of FIG.

FIG. 4 is an exploded perspective view showing a second embodiment of the present invention.

FIG. 5 is a perspective view of the state shown in FIG. 4 butted against each other.

FIG. 6 is a perspective view of an essential part showing a third embodiment of the present invention.

FIG. 7 is an exploded perspective view of essential parts showing a fourth embodiment of the present invention.

FIG. 8 is an explanatory diagram of an automobile door.

FIG. 9 is an enlarged perspective view of portion a in FIG.

FIG. 10 is an exploded perspective view showing another form of the portion a of FIG.

11 is a perspective view at the time of butting in FIG.

[Explanation of symbols]

 2 ... Door sash part 3 ... Grass run weather strip 4 ... Door waist part 5,15 ... Door waist weather strip 17 ... Mold forming corner part 18 ... Reinforcement core material 22 ... Flange part 23, 24 ... Mold forming corner part 26 ... Reinforcement core Material

Claims (1)

[Claims] 1. A glass run weather strip arranged along a door sash portion of an automobile door and an end portion of the door waist weather strip arranged along a door waist portion, at least the glass run weather strip. In a connection structure of a weather strip for an automobile, which is configured to be connected to each other through a mold forming corner portion that is integrally formed, the mold forming corner portion includes a door waist weather strip side from an end of the mold forming corner portion. A structure for connecting a weather strip for an automobile, characterized in that a reinforcing core material that is protruded in the interior and is sandwiched between the door waist weather strip and the flange portion of the door waist portion is embedded.