JPH09300980A - Door glass run - Google Patents

Abstract

PROBLEM TO BE SOLVED: To securely seal a door glass at the time of moving the door glass up. SOLUTION: A door glass run 10 has a fitting base part 14 fitted to a door sash, and a rectangular hollow seal part 16 for sealing door glass 7. Out of a seal wall 30, opposed to the door glass 7, of the hollow seal part 16, a part brought into contact with an upper end face 7a of the door glass 7 is made a solid part 36 formed of solid rubber, and both sides of the solid part 36 are made sponge parts 38, 40 formed of sponge rubber. The solid part 36 is deformed as the door glass 7 ascends. In association with this, a vehicle outer side wall 24 is displaced desirably with the vehicle outer side sponge part 38 as a hinge, and the tip of an outer lip 34 comes in contact with the side face of the door glass 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door glass run equipped with a hollow seal portion which is attached to an upper portion of a door sash of an automobile and seals an upper edge of a door glass.

[0002]

2. Description of the Related Art A conventional door grass run disclosed in Japanese Utility Model Laid-Open No. 60-165213 is shown in FIG. In this door glass run 50, a mounting base 52 made of sponge rubber is fitted and held in a door sash 54. A hollow seal portion 56 is integrally formed on the outside of the mounting base portion 52. In the hollow seal portion 56, a portion connected to the mounting base 52 is made of solid rubber, and a portion in contact with the door glass 58 is made of sponge rubber.

The hollow seal portion 56 has a seal wall 60 facing the door glass 58. An inner seal lip 62 projects downward from an end portion of the seal wall 60 on the vehicle interior side, and the tip of the inner seal lip 62 is attached to the door glass 58. Curved towards. Also,
From the end of the seal wall 60 on the vehicle outer side, the outer seal lip 6
4 projects downward and faces the door glass 58.

When the door glass 58 is closed, the door glass 5
8 rises and its upper end surface abuts on the seal wall 60 of the hollow seal portion 56. When the door glass 58 is further raised,
The seal wall 60 is pushed up, and along with the deformation of the seal wall 60, the seal lips 62, 64 connected to both ends of the seal wall 60 are displaced so that their tips approach each other. Then, the tips of the seal lips 62, 64 abut on the inner and outer side surfaces of the door glass 58 to seal the door glass 58.

[0005]

However, in the above-mentioned conventional door glass run 50, although a large stress is generated in the contact portion with which the upper end surface of the door glass 58 directly contacts, this contact portion is included. Since the entire seal wall 60 is made of soft sponge rubber, the contact portion is locally greatly stretched. As a result, the seal lips 62, 64 cannot be sufficiently displaced to the door glass 58 side, the tips of the seal lips 62, 64 do not abut the door glass 58, and the sealing performance between the door glass run 50 and the door glass 58 is reduced. There is a problem that

The present invention has been made in view of the above problems, and an object thereof is to provide a door glass run for reliably sealing the door glass when the door glass is raised.

[0007]

Therefore, a door glass run according to the present invention is a door glass run equipped with a hollow seal portion which is attached to the upper side of a door sash of an automobile and seals the upper edge of the door glass. The portion is a vehicle exterior side wall located along the vehicle exterior side surface of the door glass, a vehicle interior side wall located along the vehicle interior side surface of the door glass, a bottom wall connecting upper ends of both side walls to each other, and A seal wall that connects the vehicle exterior side wall and the vehicle interior side wall to each other and that faces the upper end surface of the door glass is formed in a substantially rectangular shape, and at the lower end of the vehicle exterior side wall, the displacement of the vehicle exterior side wall In a door glass run in which an outer lip that comes into contact with the side surface of the door glass is extended, the central portion of the seal wall where the upper end surface of the door glass comes into contact is solid rubber. Are al molded, and the other portion located on both sides of the solid portion is characterized by being formed from sponge rubber.

In the present invention, when the door glass is lifted, the upper end surface of the door glass comes into contact with the solid portion of the seal wall made of solid rubber. When the door glass is further raised, the solid portion rises with almost no deformation, and the side wall on the outer side of the vehicle is displaced by using the sponge portion made of sponge rubber located on the outer side of the solid portion as a hinge. As a result, the tip of the outer lip comes into contact with the side surface of the door glass on the vehicle exterior side.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described. 1 and 2 are sectional views showing a door glass run 10 according to the present invention, and FIG. 3 is a side view of a door 2 to which the door glass run 10 is attached.

First, the structure of the vehicle body side to which the door glass run 10 is attached will be described. In the present embodiment, the front door 2 includes the door outer panel 4 including the door sash 3.
And a door inner panel 5 are joined together to form a so-called press door type. In the door sash 3, the joint flange on the inner peripheral side formed by joining the two panels 4 and 5 projects toward the inner peripheral side of the opening to form the glass run mounting flange 6. The flange 6 is continuous along the inner circumference of the door sash 3, and is curved with an appropriate radius of curvature, for example, at the corner portion 3a of the upper edge of the door sash 3 shown in FIG.

In the door sash 3 shown in FIGS. 1 and 2, the door outer panel 4 is bent from the base end portion of the flange 6 to the outside of the vehicle to form a shelf portion 4a facing the front end of the door glass 7, and the shelf portion. 4a is bent from the end on the vehicle outer side and extended toward the outer periphery of the door.

A door glass run 10 of this embodiment is arranged along the inner circumference of the door sash 3. The door glass run 10 includes two extruding members integrally formed by extruding hard solid rubber and soft sponge rubber, that is, a horizontal extruding portion attached to the upper side of the door sash 3 shown in FIG. It is configured by connecting a vertical extruding part attached to a vertical part on the rear side of the door by molding the corner part 9 with a mold.

A door sash 3 corresponding to the horizontal extrusion section
In the part attached to the upper side of the
As shown in FIGS. 1 and 2, reference numeral 0 denotes a substantially U-shaped mounting base 14 in which a cored bar 12 is embedded, and a side surface of a tip end of a leg portion 14a on the vehicle exterior side of the mounting base 14 that is attached to a door. A hollow seal portion 16 for sealing the upper edge of the glass 7 and the mounting base portion 1
The main seal lip 18 extends from the top of 4 to the outside of the vehicle and comes into pressure contact with the inner surface of the door glass 7. The door glass run 10 includes the main seal lip 18 and a seal wall 30 of a hollow seal portion 16 described later.
The sponge parts 38 and 40 are made of sponge rubber, and the other parts are made of solid rubber, and are integrally molded.

The mounting base 14 is fitted on the glass run mounting flange 6, and a total of four flange holding lips 20 are provided inside thereof. Mounting base 14
The auxiliary lip 22 formed at the tip of the vehicle outer leg portion 14a covers the door outer panel 4 so as to cover the flange 6.
Abutting against the shelf 4a of the vehicle, and also the inside leg 1 of the mounting base 14.
The tip of 4b is in contact with the door inner panel 5.

The hollow seal portion 16 includes a vehicle exterior side wall 24 located along the vehicle exterior side surface of the door glass 7 and a vehicle exterior leg portion 14a located along the vehicle interior side surface of the door glass 7.
End portion of the vehicle, that is, the inner side wall 26 and the side walls 24, 26
Is formed into a substantially rectangular shape by a bottom wall 28 having upper ends thereof connected to each other, and a seal wall 30 which connects the vehicle outer side wall 24 and the vehicle inner side wall 26 to each other and faces the upper end surface 7a of the door glass 7. ing.

The vehicle exterior side wall 24 is arranged substantially parallel to the vehicle exterior leg portion 14a with the door glass 7 interposed therebetween, and is smooth so as to be substantially flush with the outer surface of the door outer panel 4 for the purpose of improving the appearance quality. Is curved. Further, the corner portion 32 bent from the vehicle outer side wall 24 to the bottom wall 28 is in contact with the outer peripheral side bent portion of the shelf 4a.

A seal wall 30 is provided at the lower end of the outer side wall 24.
The outer lip 34 is formed so as to extend to the inner circumferential side of the door sash beyond the position where the two are joined. A predetermined gap is formed between the tip of the outer lip 34 and the door glass 7 so that the outer lip 34 is not caught even when the tip of the door glass 7 approaches the outside of the vehicle when the door glass 7 rises.

The seal wall 30 is joined at an end portion on the inside of the vehicle substantially vertically to an intermediate position of the outside leg portion 14a of the attachment base portion 14,
Further, the end portion on the vehicle outer side is connected to an intermediate position of the vehicle outer side wall 24 substantially vertically, and is formed in a band shape so as to bridge between the vehicle outer side leg portion 14a and the vehicle outer side wall 24.

The central portion of the seal wall 30 with which the upper end surface 7a of the door glass 7 directly abuts is made of solid rubber, and the other portion is made of sponge rubber.
That is, the seal wall 30 is formed of a solid portion 36 made of solid rubber located in the middle, and a sponge rubber, and the outside sponge portion 38 and the inside sponge portion 40 located outside the vehicle and inside the vehicle from the solid portion 36.
And a solid portion 36 and a sponge portion 3
It is formed in a flat thin plate shape over 8 and 40. The solid portion 36 has a width D that is substantially the same as the thickness of the upper end surface 7a of the door glass 7.

Door glass run 1 having such a structure
At 0, when the door glass 7 is raised from the open position shown by the solid line in FIG. 1 to the position shown by the imaginary line in FIG.
The main seal lip 18 comes into contact with the vehicle inner side surface of the door glass 7, and the upper end surface 7 a of the door glass 7 abuts against the solid portion 36.

When the door glass 7 is further raised, as shown in FIG.
As shown in, the solid portion 36 with which the upper end surface 7a of the door glass 7 directly abuts rises together with the upper end surface 7a of the door glass 7. At this time, since the solid portion 36 is molded from hard solid rubber, it rises without being substantially deformed or stretched. On the other hand, the sponge portions 38, 40 are pulled in an inclined shape with the joining position as the upper end, as the joining position with the solid portion 36 is pulled upward.

At this time, the vehicle outer side wall 24 connected to the vehicle outer side sponge portion 38 is pulled at a position where the vehicle outer side sponge portion 38 is joined, and the sponge portion 38 is used as a hinge.
The tip end side of the inner circumference is displaced so as to be drawn into the vehicle interior. Along with this, the outer lip 34 is displaced so that its tip end side faces the door glass side, and comes into pressure contact with the side surface of the door glass 7 on the vehicle outer side. As a result, the outer lip 34
The main seal lip 18 and the main seal lip 18 seal the inner and outer surfaces of the door glass 7 so that they are pinched.

As described above, in this embodiment, when the door glass 7 is raised, the solid portion 36 rises with almost no stretching, and the vehicle exterior sponge portion 38.
The vehicle exterior side wall 24 is displaced with the hinge as a hinge, and the tip of the outer lip 34 is pressed against the door glass 7 accordingly, and the door glass 7 is reliably sealed.

Further, in this embodiment, since the outer lip 34 is largely displaced, the angle α formed between the vehicle exterior sponge portion 38 and the outer lip 34 becomes large. As a result,
The step difference between the door glass 7 and the outer lip 34 is reduced, and the appearance quality is improved.

The present invention is not limited to the construction of the above-mentioned embodiment. For example, instead of the substantially U-shaped attachment base portion 14 of the above-mentioned embodiment, an attachment base portion 52 shown in FIG. 4 is adopted. It can also be applied to

[0026]

As described above, according to the present invention, only the portion of the sealing wall of the hollow seal portion, which is in contact with the upper end surface of the door glass, is a solid portion made of solid rubber, and both sides of this solid portion are sponge rubber. Since the sponge rubber is made of, when the door glass is raised, the solid part that directly contacts the door glass rises without being stretched excessively, and the sponge part on the outside of the car is used as a hinge to displace the outside side wall well. As a result, the tip of the outer lip is pressed against the door glass, and the door glass is reliably sealed.

[Brief description of drawings]

FIG. 1 is a sectional view of a door sash to which a door glass run according to an embodiment of the present invention is attached.

FIG. 2 is a sectional view of the door sash when the door glass of FIG. 1 is lifted.

FIG. 3 is a side view of a front door to which the door glass run of FIG. 1 is attached.

FIG. 4 is a sectional view of a door sash showing a conventional door grass run.

[Explanation of symbols]

 3 ... Door sash 7 ... Door glass 10 ... Door glass run 16 ... Hollow seal part 24 ... Car exterior side wall 26 ... Car interior side wall 28 ... Bottom wall 30 ... Seal wall 36 ... Solid part 38, 40 ... Sponge part

Claims (1)

[Claims] 1. A door glass run equipped with a hollow seal portion that is attached to an upper side portion of a door sash of an automobile and seals an upper edge of the door glass, wherein the hollow seal portion extends along a side surface of the door glass outside the vehicle. A vehicle exterior side wall located, a vehicle interior side wall located along the vehicle interior side surface of the door glass, a bottom wall connecting the upper ends of both side walls to each other, the vehicle exterior side wall and the vehicle interior side wall are connected to each other, Also, an outer lip formed in a substantially rectangular shape from a seal wall facing the upper end surface of the door glass, and extended at the lower end of the vehicle outer side wall to come into contact with the side surface of the door glass when the vehicle outer side wall is displaced. In the door glass run, the seal wall is formed of solid rubber at the central portion with which the upper end surface of the door glass contacts, and is located on both sides of the solid portion. Door glass run that portion is characterized in that it has been formed from a sponge rubber.