JPH09164849A - Door glass run for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To dissolve the deterioration of attractive appearance due to the floating up of a decorative lip to the inner periphery of a window frame, and to skilfully bently deform the decorative lip along a corner part of the inner periphery of the window frame and attach it by preventing the bending deformation of a part near the tip of a side wall part. SOLUTION: A door glass run for a vehicle is unitedly provided with a basic bottom part 13; both side walls 15; a sealing lip; a decorative lip 17, and is moreover provided with a glass run body 12 extrusively molded of soft synthetic resin excellent in bendability and a side wall reinforcing part 21 which is unitedly molded by together extrusion in a part near the tip of the side wall of the glass run body 12 and composed of hard synthetic resin to reinforce a part near the tip of the side wall 15 that the tip part of the side wall part 15 may not be bendedly deformed toward a glass sliding groove 14.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle door glass run for guiding opening and closing of a door glass run by being fitted into a run mounting groove formed in an inner peripheral surface of a window frame of a vehicle door. Regarding

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 5, a door glass run 111 mounted in a run mounting groove 103 of a window frame 102 has a base portion 113 and glass slides projected from both ends of the base portion 113. Both side wall portions 115 constituting the groove 114, the seal lip 16 extending from the tip of the side wall portion 115 toward the glass sliding groove 114, and the inside of the window frame 102 from the tip of the side wall portion 115. There is a structure in which a decorative lip 117 protruding toward the peripheral surface is integrally provided, and the structure is extruded from a soft synthetic resin. Further, the structure disclosed in Japanese Utility Model Laid-Open No. 2-17420, that is, the base and the side walls are made of a hard elastic body, and the elastic lip and the decorative lip are made of a soft elastic body. It has been known.

[0003]

By the way, as shown in FIG. 5A, in the case where the entire door glass run 111 is formed by extrusion molding of soft synthetic resin,
As shown in FIG. 5B, when the door glass 104 is inserted in contact with both seal lips 116, both seal lips 116 are inserted.
When is elastically deformed toward the bottom surface (bottom portion) of the glass sliding groove 114, the ends of both side wall portions 115 are directed toward the glass sliding groove 114 side based on the elastic deformation of the seal lip 116. It may be bent and deformed. When the ends of both side wall parts 115 are bent and deformed toward the glass sliding groove side 114, the decorative lip 117 at the ends of the both side wall parts 115 floats up to the inner peripheral surface of the window frame 102, and the corresponding part There is a problem that a gap S is generated and the appearance is deteriorated. Further, in the door glass run in which the base portion and both side wall portions are made of a hard synthetic resin, when the door glass run is mounted in the run mounting groove of the inner peripheral surface of the window frame, the corner portion of the window frame is mounted. There is a problem that it is difficult to bend and deform the door glass run along with it, and the mountability deteriorates.

In view of the above-mentioned conventional problems, an object of the present invention is to prevent bending deformation of a portion of the side wall portion near the tip end to prevent deterioration of appearance due to floating of the decorative lip with respect to the inner peripheral surface of the window frame, and An object of the present invention is to provide a vehicle door glass run that can be flexibly deformed along the corner portion of the inner peripheral surface of the frame and can be mounted.

[0005]

In order to achieve the above object, a vehicle door glass run according to the invention of claim 1 is fitted into a run mounting groove formed in an inner peripheral surface of a window frame of a vehicle door. It is a door glass run that is inserted and installed, with a base part,
Both side wall portions protruding from both ends of the base portion to form a glass sliding groove, a seal lip extending from the tip of the side wall portion toward the glass sliding groove, and a tip of the side wall portion. A glass lip body extruded from a soft synthetic resin having excellent flexibility, and a side wall portion of the glass run body, which are integrally provided with a decorative lip protruding toward the inner peripheral surface of the window frame. Is integrally molded by co-extrusion with the tip end portion of the side wall portion, and is a hard composite that reinforces the tip end portion of the side wall portion so as not to be bent and deformed toward the glass sliding groove side. And a side wall reinforcing portion made of resin.

A vehicle door glass run according to a second aspect of the present invention is the vehicle door glass run according to the first aspect, wherein the side wall reinforcing portion is an inner or outer surface of a side wall portion of the glass run main body near a tip. Among these, it is provided in a layer form on at least one side surface.

A vehicle door glass run according to a third aspect of the present invention is the vehicle door glass run according to the first aspect, wherein the side wall reinforcing portion is outside the inner side surface of the side wall portion of the glass run body near the tip. It is provided over the sides.

Therefore, since the glass run main body is made of a soft synthetic resin having excellent flexibility, the glass run is easily and favorably bent and deformed along the corner portion of the window frame, and the glass run is mounted on the run. The glass run is properly mounted in the groove without any mounting failure. Further, the rigidity of the portion of the side wall portion near the tip is increased by the side wall reinforcing portion, so that the side wall portion can be prevented from being bent and deformed toward the glass sliding groove side.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION

(Embodiment 1) FIGS. 1 and 2 show Embodiment 1 of the present invention.
It is explained according to. 1 and 2, a run mounting groove 3 is provided on the inner peripheral surface of the window frame 2 of the vehicle door 1,
A door glass run 11 for guiding opening and closing of the door glass 4 is fitted into the run mounting groove 3 by fitting.

The door glass run 11 is a glass run body.
12 and the side wall reinforcing portion 21 are integrally provided. The glass run main body 12 includes a base portion 13 along the bottom surface of the run mounting groove 3, and a glass sliding groove that is protruded in a facing manner from both ends in the width direction of the base portion 13.
The side wall portions 15 that form 14 and the door glass 4 that extends from the tips of the side wall portions 15 toward the glass sliding groove 14, respectively.
Seal lip 16 that abuts the inner and outer surfaces of the side wall 15
Inner and outer decorative lips 17 projecting from the tip to the inner peripheral surface of the window frame 2 are integrally provided. Further, a retainer which is engaged with a stepped portion of the run mounting groove 3 when fitted into the run mounting groove 3 so as to prevent the outer side surface of the both side wall portions 15 from being closer to the base end portion. A piece 18 is projected. Further, the glass run main body 12 is extruded from a soft synthetic resin having excellent flexibility, for example, a soft thermoplastic elastomer having a hardness of about 65 degrees in JIS / A hardness.

A side wall reinforcing portion 21 is the same as an inner side surface of both side wall portions 15 on an inner side surface where the glass sliding groove 14 is provided on both inner and outer side surfaces of the side wall portions 15 of the glass run main body 12 near the tips. They are arranged in layers to form a surface. The side wall reinforcing portion 21 is
Reinforcing the end portions of both side wall portions 15 so that the both side wall portions 15 are not bent and deformed toward the glass sliding groove 14 side when the door glass 4 is inserted between the two seal lips 16. It is a hard synthetic resin, such as JIS D hardness.
It is made of a hard thermoplastic elastomer having a hardness of about 50 degrees, an olefin resin, or the like, and is integrally formed by co-extrusion at the same time as the glass run main body 12 is extrusion-molded.

The first embodiment is configured as described above. Therefore, since the glass run body 12 is made of a soft synthetic resin having excellent flexibility, when the door glass run 11 is mounted in the run mounting groove 3 of the window frame 2, as shown in FIG. The door glass run 11 is fitted into the run mounting groove 3 while the door glass run 11 is easily and favorably bent along the respective corner portions 2a, so that as shown in FIG. In the door glass run 11, the retaining pieces 18 at the base end portions of the both side wall portions 15 are securely engaged with the step portion of the run mounting groove 3, and the decorative lip 17 at the tip end portions of the both side wall portions 15 is the window frame. The inner peripheral surface of No. 2 is abutted on the inner peripheral surface without a gap and is mounted well.

When the door glass run 11 is mounted in the run mounting groove 3 of the window frame 2, as shown in FIG. When the seal lips 16 of the door glass run 11 are inserted into contact with the seal lips 16, the seal lips 16 are elastically deformed toward the bottom surface of the glass sliding groove 14 while contacting the inner and outer surfaces of the door glass 4, respectively. .

On the other hand, since the rigidity of the side wall portions 15 near the tips is increased by the side wall reinforcing portions 21 made of a hard synthetic resin, the side walls 15 slide on the glass by elastic deformation of the seal lip 16. It is prevented from being bent and deformed toward the groove 14 side. As a result, the problem that the decorative lip 17 floats up with respect to the inner peripheral surface of the window frame 2 and the appearance is deteriorated is solved.

(Second Embodiment) Next, a second embodiment of the present invention will be described with reference to FIG. Embodiment 2
In the inner side and the outer side surfaces of the side wall portions 15 of the glass run main body 12 near the tips, side wall reinforcing portions 21 made of a hard synthetic resin are layered by co-extrusion on the outer side surfaces on the side facing the run mounting groove 3. It is provided. Since other configurations are configured in the same manner as in the first embodiment, the same reference numerals are given to the same components and the description thereof will be omitted.

Therefore, also in the second embodiment, the door glass run 11 is easily and favorably bent and deformed along each corner portion of the window frame 2 and is properly mounted in the run mounting groove 3 without a mounting failure. It is installed. Further, when the door glass run 11 is mounted in the run mounting groove 3 of the window frame 2 and the door glass 4 is inserted into contact with both seal lips 16, both side wall portions are inserted.
Bending deformation of 15 toward the glass sliding groove 14 is prevented, and there is no problem that the decorative lip 17 is lifted and the appearance is deteriorated.

(Third Embodiment) Next, a third embodiment of the present invention will be described with reference to FIG. Embodiment 3
In the above, the side wall reinforcing portion 21 made of a hard synthetic resin is provided by coextrusion from the inner side surface to the outer side surface of the side wall portions 15 of the glass run main body 12 near the tips. Therefore, also in the third embodiment, as in the first embodiment, the door glass run 11 is properly mounted in the run mounting groove 3 of the window frame 2 with good mounting failure, and the decorative lip 17 is lifted up and looks good. There is no problem of deterioration.

[0018]

As described above, according to the present invention,
The door glass run could be flexibly deformed along the corner of the inner peripheral surface of the window frame to be easily mounted in the run mounting groove of the window frame, and the decorative lip rose to make the appearance worse. It is also possible to prevent the problem of being caused.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a mounted state of a door glass run according to a first embodiment of the present invention.

FIG. 2 is an explanatory view showing a state in which a door glass run is mounted along the window frame of the door.

FIG. 3 is a sectional view showing a mounted state of a door glass run according to a second embodiment of the present invention.

FIG. 4 is a cross-sectional view showing a mounted state of a door glass run according to a third embodiment of the present invention.

FIG. 5 is a cross-sectional view showing a mounted state of a conventional door glass run.

[Explanation of symbols]

 1 Vehicle Door 2 Window Frame 3 Run Mounting Groove 4 Door Glass 11 Door Glass Run 12 Glass Run Main Body 13 Base 14 Glass Sliding Groove 15 Side Wall 16 Seal Lip 17 Decorative Lip 21 Side Wall Reinforcement

Claims (3)

[Claims] 1. A door glass run, which is mounted by being fitted into a run mounting groove formed on an inner peripheral surface of a window frame of a vehicle door, wherein the door glass run is provided with a base portion and protruding from both ends of the base portion. Both side wall portions forming a glass sliding groove, a seal lip extending from the tip of the side wall portion toward the glass sliding groove, and a seal lip extending from the tip of the side wall portion toward the inner peripheral surface of the window frame. And a decorative lip that overhangs, and a glass run body extruded from a flexible synthetic resin with excellent flexibility, and a glass run body that is integrated by co-extrusion to the side wall of the glass run body near the tip. While being molded, a side wall reinforcing portion made of a hard synthetic resin that reinforces the front end portion of the side wall portion so that the front end portion of the side wall portion is not bent and deformed toward the glass sliding groove side, Characterized by having Dual door glass run. 2. The vehicle door glass run according to claim 1, wherein the side wall reinforcing portion is provided in a layered manner on at least one side surface of the inner and outer surfaces of the side wall portion of the glass run body near the tip. A vehicle door glass run characterized by. 3. The vehicle door glass run according to claim 1, wherein the side wall reinforcing portion is provided from an inner side surface to an outer side surface of a side wall portion of the glass run main body near a tip thereof. Door glass run.