JP2000108682A - Door glass run for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To ensure the mounting stability of a door glass run mounted along a door frame of an automobile door and its sealability with the door glass throughout the overall length. SOLUTION: In a case when a channel member mounted on the opposite clearance between a frame outer plate 21a and an inner plate 21b on an inner periphery of a door frame, is partially defective, the projections 7 which are outwardly projected and of which the points are respectively contacted with the inner surfaces of the frame outer plate 21a and the inner plate 21b, are formed on the left and right side walls 61 of the glass run 6C on the part 6C corresponding to the channel member cutout part of the door glass run serially mounted on the channel member.

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 mounted along an inner periphery of a door frame of an automobile door.

[0002]

2. Description of the Related Art A door frame of an automobile door guides the ascending and descending of the door glass along an inner periphery thereof, and seals a gap between an outer peripheral edge of the door glass and the door frame when the door glass is closed. A run (hereinafter, referred to as a glass run) is attached. The glass run is typically mounted on a series of channel members along the inner periphery of the door frame.

[0003] However, depending on the type of door, the channel member may be missing in a part of the door frame. Taking the press door shown in FIG. 3 as an example, the outer plate of the door body 1 and the outer plate of the door frame 2 are press-formed from one sheet, and the inner plate of the door body 1 and the inner plate of the door frame 2 are formed. Is also press-formed from one sheet. The door frame 2 is formed by connecting an inner frame to an outer frame. The front end of the door frame 2 is formed in a triangular shape,
A door mirror mounting portion is formed.

A channel member 3A is attached to the inner periphery of the door frame 2 from the portion connected to the upper end of the vertical frame 2A at the rear edge of the door mirror mounting portion to the rear lower end via a rear upper end corner. Further extends downward in the door body 1.

FIG. 4 (a cross section taken along the line YY in FIG. 3) shows a glass run attached to the channel member 3A. The gap between the frame outer plate 21a and the frame inner plate 21b on the inner peripheral side of the door frame 2 is shown. Is provided with a glass run 6A from which seal lips 62 extend inward from both side walls 61 of the main body having a U-shaped cross section. 8 is a door glass.

On the other hand, a channel member 3B is mounted on the rear edge of the vertical frame 2A at the rear edge of the door mirror mounting portion at the front end of the door frame. As shown in FIG. 5 (a cross section taken along the line ZZ in FIG. 3), a glass run 6B that is connected to the glass run 6A in series is attached to the channel member 3B via a connection portion of a mold. In the drawing, reference numeral 21a denotes a frame outer plate of the vertical frame 2A, 21b denotes an inner plate of the frame, and a channel member 3B is attached to a rear edge of the reinforcing plate 4 of a door mirror attaching portion provided therebetween.

The reinforcing plate 4 is attached so as to close a triangular portion formed by the upper edges of the door frames 2, 2A and the door body 1 after welding the channel member 3B in advance. In this case, the upper end of the channel member 3B is processed obliquely so as to match the end of the channel member 3A,
Adjusting the height position requires a lot of man-hours, and even if it is precisely machined and adjusted, it does not always match the channel member 3A due to variations in the mounting of the reinforcing plate 4. And channel member 3
A is provided at a distance from A. Therefore, the channel member lacking portion 30 between the channel members 3A and 3B (FIG. 3)
Occurs.

[0008]

FIG. 6 (X in FIG. 3)
-X section), the glass runs 6A and 6
The corner-shaped connecting portion 6C connecting B has no member for supporting it. For this reason, both seal lips 6 of the connection portion 6C are provided.
When the door glass 8 enters between the two, the left and right side walls 61 are pushed outward, and the pressure contact force between the seal lip 62 and the door glass 8 decreases, and the sealing performance against outside noise, high-pressure car wash water, and the like becomes insufficient. Could be. Therefore, an object of the present invention is to provide a glass run in which the mounting stability is ensured even in the channel member lacking portion and the sealing performance does not decrease.

[0009]

According to the present invention, outwardly projecting portions are formed on both side walls of a portion corresponding to a channel member lacking portion of a glass run (claim 1).
The present invention is particularly effectively applied to a glass run attached to a door frame in which a channel member is missing at a corner portion, and the corner portion of the glass run is formed by a molded connection portion, and the protrusion is formed at the connection portion. A part is formed (claim 2).

The glass run is stably held by the projecting portions abutting against the inner surfaces of the opposing frame plates on the inner peripheral side of the door frame, and the seal lip between the door glass and the glass run that has entered the glass run. Also, the pressure contact force does not decrease.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to a glass run used for a press door type automobile door will be described.

As shown in FIG. 3, a channel member 3A is attached to the door frame 2 along its inner periphery, and a channel member 3B is provided at the front end of the door along the vertical frame 2A. There is a channel member lacking portion 30 between the upper end of the channel member 3B and the channel member 3A. This frame structure is the same as the above-described conventional structure.

As shown in FIGS. 1A and 3, the glass run 6A attached to the channel member 3A and the glass run 6B attached to the channel member 3B are provided at the corners of the connecting portion between the door frame 2A and the vertical frame 2A. The connection is made at a connection portion 6C that is bent in a rectangular shape corresponding to the shape.

The glass run 6A is made of EPDM rubber, TPE,
As shown in FIG. 1 (A), an extruded body of a polymer material such as PVC has seal lips 62 extending in opposite directions from the tips of left and right side walls 61 of the main body having a U-shaped cross section. The molding lip 63 extends so as to be inverted. The glass run 6B is also an extruded body made of a polymer material, and has a body portion and a seal lip 62 having the same shape as the glass run 6A. There is a projecting portion slightly protruding outward at the end of both side walls 61, but there is no molding lip corresponding to the molding lip 63 of the glass run 6A.

As shown in FIGS. 1 (A) and 1 (B), the glass runs 6A and 6B are formed in a die-shaped connecting portion 6 which is bent in a rectangular shape.
Connected by C. The basic structure of the connecting portion 6C is substantially the same as the glass runs 6A and 6B, but the cross-sectional shape is slightly different between the glass runs 6A and 6B, and the vertical glass run 6B has a molding lip. Absent.
Then, the glass run 6 is formed on the left and right side walls 61 from the bending center.
Projecting portion 7 swelling in a triangular cross section toward the connection end with B
Is formed. The connection portions 6C are made of glass runs 6A and 6B.
Are set in a cavity in a mold so that the terminals are opposed to each other at an interval, and the polymer material is injected into the cavity.

As shown in FIG. 4, the glass run 6A is a channel member 3A having a U-shaped cross section which is attached to a gap between the outer frame 21a and the inner plate 21b of the door frame 2 on the inner peripheral side.
The main body is pushed into the inside, and each side wall 61 on both sides and the molding lip 63 opposed thereto are formed into a channel member 3A.
Outer plate 21a and inner plate 21b overlapping with the side wall of the frame
It is attached by pinching. The connection side of the molded connection portion 6C with the glass run 6A is attached to the channel member 3A in the same manner as the glass run 6A.

As shown in FIG. 5, a rear end of a reinforcing plate 4 having a Z-shaped cross section provided between the outer plate 21a and the inner plate 21b of the vertical frame 2A is welded. A channel member 3B having a substantially U-shaped cross section is attached to the rear end surface in a substantially vertical direction.

The upper end of the channel member 3B is installed at a height spaced from the channel member 3A. A glass run 6B is fitted to the channel member 3B. The mounting structure of the channel member 3B and the glass run 6B is substantially the same as the conventional one.

As shown in FIG. 1B, the upper end of the vertical frame 2A connected to the door frame 2 is a channel member lacking portion. In this portion, the molded connecting portion 6C having the protrusion 7 is provided between the inner plate 21b of the frame and the outer plate 21a of the frame where the terminal of the reinforcing plate 4 is overlapped, and the protrusions 8 on both sides are respectively connected to the inner plate 21b and the inner plate 21b. It is attached by pressing it against the reinforcing plate 4 and pushing it in.
The height of the protruding portion 7 is set to a height at which the main body maintains a common cross-sectional shape with the main body of the glass runs 6A and 6B in the mounted state in consideration of the bending.

Thus, in the channel member lacking portion, the mounting of the molded connection portion 6C of the glass run is stabilized. Further, both side walls 61 of the connecting portion 6C are sandwiched between the frame inner plate 2b and the frame outer plate 2a integral with the reinforcing plate 4 via the protruding portions 7, so that when the door glass is closed, the door glass is sandwiched between the seal lips 61. 8 does not open outward when it enters, and the seal lip 61
A and 6B sandwich the door glass 8 with almost the same pressing force. Note that the protrusion 7 can be formed at the same time when the connecting portion 6C is molded.

As shown in FIG. 2, the projecting portion 7 of the molded connecting portion 6C may be formed on the outer surfaces of both side walls 61 in a build-up manner. The present invention, for example, in the case of a structure in which a gap is provided between the rear end of the horizontal channel member and the upper end of the vertical channel member at the upper rear corner of the door frame,
The present invention can also be applied to a glass run provided at the corner.

[0022]

According to the present invention, a glass run can be stably mounted with good sealing performance with a door glass even at a portion where a glass run mounting channel member of an automobile door frame is missing.

[Brief description of the drawings]

1 (A) is a perspective view of a main part of a door glass run of the present invention, and FIG. 1 (B) is a view of the door glass run at a position along line XX in FIGS. 1 (A) and 3; It is sectional drawing of an attachment state.

FIG. 2 is a cross-sectional view of another door glass run of the present invention at a position along line XX in FIG.

FIG. 3 is a front view of an automobile door to which the door glass run of the present invention is applied.

FIG. 4 is a sectional view of the door glass run at a position along the line YY in FIG. 4;

FIG. 5 is a sectional view of the door glass run at a position along the line ZZ in FIG. 4;

FIG. 6 is a cross-sectional view of the conventional door glass run at a position along line XX in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Door main body 2 Door frame 2A Door frame vertical part 21a Frame outer plate 21b Frame inner plate 3A, 3B Channel member 30 Channel member lacking part 4 Mirror bracket 6A, 6B Door glass run 6C Door glass run connection part 61 Side wall 62 Seal Lip 7 Projection 8 Door glass

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Yushi Oshima 1 Ochiai, Nagahata, Kasuga-cho, Nishi-Kasugai-gun, Aichi Prefecture Toyoda Gosei Co., Ltd.

Claims (2)

[Claims] 1. A main body having a U-shaped cross section, and a seal lip extending from opposite ends of left and right side walls of the main body in opposite directions to sandwich a peripheral edge of a door glass, and a frame inner plate and a frame on an inner periphery of a door frame. A door glass run attached to a door frame by attaching a main body portion to a channel member inserted in a gap facing an outer plate, the door glass run being attached to a door frame partially lacking the channel member. 3. A door glass run for an automobile according to claim 1, wherein projecting portions are formed on the outer surfaces of the left and right side walls of the portion where the channel member is missing, respectively, so as to come into contact with the inner surfaces of the opposed frames. 2. The door frame lacks the channel member at a corner thereof, and the door glass run has a corner formed by a molded connection, and the door glass run is formed on an outer surface of left and right side walls of the connection. The vehicle door glass run according to claim 1, wherein the projection portion is formed.