JPH0640011Y2 - Glass run corner structure - Google Patents

Description

[Detailed Description of the Invention] <Industrial application field> The present invention relates to a structure of a corner portion of a glass run arranged in a window frame of a vehicle. It is suitable for preventing intrusion.

<Prior Art> There are two types of glass runs arranged at the upper edge and the lower edge of the window frame in the portion A shown in FIG. There is. For example, as a glass run 1 for a window frame upper edge (hereinafter referred to as "upper edge glass run"), there is one shown in FIG. In addition, as a glass run for the lower edge of the window frame (hereinafter referred to as "lower edge glass run") 15, the third
Some are shown in the figure.

The upper edge glass run 1 includes a base portion 3, a hollow seal portion 5, and
The bend lip section 7 is provided. The base portion 3 is made of solid rubber and is engaged with the recessed portion of the upper edge window frame (door sash) 9. The hollow seal portion 5 has a sealing wall 11 made of foam rubber for sealing the end face of the door glass G and an engagement wall 12 made of solid rubber for sealing the outer peripheral edge of the door glass G.
The seal wall 11 prevents rainwater and the like from entering the inside of the vehicle from the outside of the vehicle and prevents indoor air from being sucked out of the vehicle during high-speed traveling (which causes wind noise).

The bend lip portion 7 is provided so as to project from the base portion 3 at a predetermined distance from the hollow seal portion 5. The bend lip portion 7 comes into contact with the inner peripheral edge of the door glass G, and is bent so that its free end is wound inward (toward the base portion 3) as indicated by an arrow in the figure. By the repulsive force generated at this time, the bend lip portion 7 holds the door glass G with the engagement wall 12 and stabilizes the position of the door glass G with respect to the seal wall 11, so that the door glass G and the seal wall 11 are separated from each other. Guarantees sealing performance. Of course, the bend lip portion 7 also has a sub-sealing effect. The groove surrounded by the base portion 3, the bend lip portion 7, and the seal wall 1 serves as an escape path 13 for rainwater and the like. This escape route 13
Serves as a gutter that traps rainwater or the like that tries to enter the room when the door glass G is released or when the seal wall 11 is worn down and drains downward.

The door glass G is moved up and down along the direction of the arrow in FIGS.

The lower edge glass run 15 is composed of a pair of a lower edge glass run inner 17 and a lower edge glass run outer 19, as shown in FIG.
The lower edge glass run inner 17 has a base portion 23, first and second seal portions 25,
It consists of 27. The base portion 23 is engaged with the engaged portion of the lower edge window frame (door panel inner contact) 21. Each seal part 25,2
Reference numeral 7 is a strip-shaped member, and the first seal portion 25 is connected to the upper edge of the base portion 23, and the second seal portion 27 is connected to the lower edge of the base portion 23. The free ends of the seal portions 25 and 27 are in sliding contact with the inner surface of the door glass G, and mainly prevent indoor air from being sucked out of the vehicle. Also, the first seal part 2
5, the groove surrounded by the base portion 23 and the second seal portion 27 becomes the escape passage 29, and the water in the escape passage 13 of the above-mentioned upper edge glass run 1 is
It serves to guide the drainage 30 shown.

The lower edge glass run inner 17 has its lower end inserted into the door to connect the escape passage 29 to the water drain 30.

The lower edge glass run outer 19 also has a base 33 and two sealing parts.
35, 37, and is attached to the lower edge window frame (door outer panel) 32 by the clip 31. The seals 35 and 37 mainly prevent rainwater and the like from entering the vehicle.

The upper edge glass run 1 and the lower edge glass run inner 17 will be described below in accordance with the application fields of the present invention (prevention of wind noise during high-speed running, drainage of rainwater, etc.) described at the beginning. .

The upper edge glass run 1 and the lower edge glass run inner 17 are separately extruded and attached to the upper edge and the lower edge of the window frame of the door, and are applied at the corners of the window frame (no adhesion). Are linked together. FIG. 2 shows an example of a connection mode between the two in the portion A of FIG. This is a structure in which the end portion of the upper edge glass run 1 is placed on the base portion 23 of the lower edge glass run inner 17 in order to connect the escape path 13 of the upper edge glass run inner 1 and the escape path 29 of the lower edge glass run inner 17. Is. Here, in the upper edge glass run inner 1, the lower end of the hollow seal portion 5 (the contact side with the lower edge glass run inner 17) is cut out, and the second edge of the lower edge glass run inner 17 is cut.
The seal portion 27 can be bent along the door glass G in the direction of the white arrow in FIG. On the other hand, in the lower edge glass run inner 17, in order to avoid interference with the bend lip portion 7, the tip of the first seal portion 25 (the contacting side with the upper edge glass run 1) is cut out, and the first seal portion 25 Can be bent in the direction of the white arrow in the figure, and the bend lip portion 7 can be bent in the direction of the arrow.

<Problems to be solved by the invention> In the connection structure of the upper edge glass runner 1 and the lower edge glass runner 17 shown in FIG. 2, the bend lip portion 7 and the first edge glass runner 1 are caused by the variation in the installation of the door assy. Seal part
There is a possibility that a gap S may be formed between the gap and The first seal portion 25 has a function of preventing the generation of wind noise. However, if there is such a gap S, the air inside the vehicle is sucked out from here when traveling at high speed, so the function of prevention of wind noise is effective. Will not work.

In addition, rainwater or the like to be drained through the escape paths 13 and 29 may leak from the gap S into the vehicle.

Such an adverse effect can be prevented by increasing the assembling accuracy of each glass run. However, this is not preferable because the work of assembling each glass run is troublesome.

Further, for example, the upper edge glass run 1 is bent at a substantially right angle so as to be along the corner portion of the window frame (Japanese Patent Laid-Open No. 59-67034).
(See, for example, Japanese Patent Laid-Open Publication No. 2003-242, pp. 187-96), and by bonding the bend lip portion 7 to the first seal portion 25 of the lower edge glass run inner 17,
It is also conceivable to close the gap S. However, since the bend lip portion 7 and the first seal portion 25 have different bending directions when they come into contact with the door glass G (see respective arrows in FIG. 2), as described above, the bend lip portion 7 and the first seal portion 25 twenty five
It is not preferable to bond and. This is because if the respective bending actions are canceled out, the sealing property with respect to the door glass G is deteriorated.

<Means for Solving Problems> The inventors of the present invention have conducted extensive studies to solve the above problems, and as a result, have found that the upper edge glass run 1 and the lower edge glass run inner 17
I came up with the present invention having the following structure, in consideration of using a corner piece for connection with.

That is, a glass run for the upper edge of the window frame arranged in the upper edge window frame,
The glass run inner for the window frame lower edge, which is arranged in the lower edge window frame so as to intersect with the glass run for the upper edge of the window frame, is adhered to the corner piece arranged in the corner portion of the window frame. A structure of a corner portion of a connected glass run, wherein the window frame upper edge glass run is a base portion fixed to the upper edge window frame, a seal wall for sealing an end surface of a door glass, and the seal wall A hollow seal portion having an engagement wall that is connected to the door glass to seal the outer peripheral edge of the door glass, and extends from the base portion, and bends the tip toward the seal wall to seal the inner peripheral edge of the door glass. , The base
A bend run portion capable of forming an escape path for rainwater and the like with the seal wall, the glass runner for the window frame lower edge is fixed to the lower edge window frame, and a base of the base portion. A strip-shaped first seal portion that is erected on the upper edge side and seals the inner surface of the door glass, a hollow portion that is erected on the lower edge side of the base portion and extends from the base portion, and a back portion of the first seal portion. And a second seal portion having a strip-shaped lip portion that seals the inner surface of the door glass by lowering the end portion side of the window frame. The window frame upper edge having the same cross section as the window frame upper edge glass run having a base portion corresponding to the upper edge glass run, a hollow seal portion and a bend lip portion, and a hollow seal portion and a bend lip portion. Align axis with glass run A longitudinal part to be bonded together, and a base part, a first seal part and a second seal part whose end faces correspond to the base part of the glass run inner for the window frame lower edge, the first seal part and the second seal part. Comprising the same horizontal cross-section as the glass run inner for the lower edge of the window frame, and a horizontal portion that is adhered to the glass run inner for the lower edge of the window frame in alignment with the axis, the vertical portion and the horizontal portion. At the intersection, the first seal portion in the horizontal portion is abutted against the bend lip portion in the vertical portion, and the second seal portion in the horizontal portion is provided.
The lip portion of the seal portion is connected to the bend lip portion in the vertical portion so as to be smoothly integrated, and the bend lip portion in the vertical portion disappears from the intersecting portion to the lower side, and (2) The hollow peripheral wall of the seal portion is connected to the bend lip of the vertical portion and the seal wall of the hollow seal portion so as to close the lower end of the escape passage in the vertical portion, and the base portion of the vertical portion, the seal wall, A rainwater escape passage formed by the bend lip portion and a second portion of the lateral portion.
It is characterized in that the hollow space of the seal portion is connected to the hollow space.

<Example> Hereinafter, the present invention will be described in more detail with reference to Examples.
The same members as those described in the conventional example are designated by the same reference numerals, and the description thereof will be partially omitted.

FIG. 1 shows a perspective view of a corner piece 41 used in the embodiment. This corner piece 41, as shown in FIG.
It is arranged at the corner portion of the window frame and is applied to the connecting portion of the upper edge glass run 1 described in the conventional example and the lower edge glass run inner 117 newly created this time, and has a vertical portion 43 and a horizontal portion 45. ing. In the illustrated example, the vertical portion 43 and the horizontal portion 45 are substantially orthogonal to each other. This corresponds the intersection angle of the two to the angle of the window frame corner portion.

As shown in FIG. 5, the upper edge glass run 1 is connected to the side edge glass run 2 extending in the up-down direction at the window frame portion on the side of the center pillar with a separate corner piece 40 interposed therebetween. Run Inner 117 is a horizontal edge glass run 1
It will be applied to 4. Horizontal edge glass run 14
Is only applied to the side edge glass run 2.

The vertical portion 43 has the same cross section as the lower edge glass run 1 on the end face side. That is, on the end face side of the vertical portion 43, the upper edge glass run 1
Base part 3a and hollow seal part 5a (seal wall
11a, the engaging wall 12a), and the bend lip portion 7a.

Then, the base portion 3a, the hollow seal portion 5a, and the bend lip portion 7a of the vertical portion 43, the base portion 3a and the hollow seal portion 5a, the bend lip portion 7a, although protruding downward from the intersection with the horizontal portion 45, It is configured to disappear from the intersection with the lateral portion 45 to the lower side.

The end surface side of the lateral portion 45 has the same lateral cross section as the lower edge door glass run inner 117.

The lower edge glass run inner 117 includes a base portion 123 that is engaged with the window frame and first and second seal portions 125 and 127 that are in sliding contact with the inner surface of the door glass G. The first seal portion 125 is a strip-shaped member similar to the conventional example, and is disposed on the upper edge of the base 123. The second seal portion 127 is disposed on the lower edge side of the first seal portion 125 and includes a hollow portion 126 and a lip portion 128. Lip part 128
Is in sliding contact with the inner surface of the door glass G.
Since the belt-shaped member is shorter than the seal portion 125, the bending amount is small. Therefore, the sealing property of the second seal portion 127 is maintained by the elastic deformation (repulsive force when crushed) of the hollow portion 126.

On the end face side of the horizontal portion 45, the lower edge glass run inner 11
The base portion 123a, the first seal portion 125a, and the second seal portion 127a (hollow portion 126a, lip portion 128a), which have the same cross-sectional shape as that of 7, are provided.

At the intersection of the vertical portion 43 and the horizontal portion 45, the first portion of the horizontal portion 45
The seal portion 125a is attached to the bend lip portion 7a of the vertical portion 43, and the lip portion 128a of the horizontal portion 45 is connected so as to be smoothly integrated with the bend lip portion 7a of the vertical portion 43. At the intersections of the two, the shapes of the lip portion 128a and the bend lip portion 7a are gradually changed so that no step appears at each upper edge. Even when the lip portion 128a comes into contact with the door glass G, the lip portion 128a hardly bends by itself, so that bending of the bend lip portion 7a in the direction of the white arrow in FIG. 1 is not obstructed.

Further, while connecting the base portion 123a of the horizontal portion 45 to the base portion 3a of the vertical portion 41 and the hollow seal portion 5a, the upper surface of the hollow portion 126a is notched so that the escape passage 13a of the vertical portion 41 and the hollow portion 126a are hollow. The space is connected. That is, at the intersection, as shown in FIGS. 1-6, the bend wall portion 7a is formed so that the peripheral wall of the hollow portion 126a in the horizontal portion 45 closes the lower end of the escape passage 13a of the vertical portion 43.
A cover 47 is provided which is connected to the hollow seal portion 5a and covers the escape passage 13a on the door glass G side. As a result, the escape passage 13a of the vertical portion 43 is connected to the hollow space of the hollow portion 126a of the horizontal portion 45 without any gap.

The corner piece 41 having such a structure is a material that can be flow-bonded to the upper edge glass run 1 and the lower edge glass run inner 117, respectively, and is the bend lip portion 7a, the hollow seal portion 5a, the first seal portion 125a, and the second seal portion 125a. The seal portion 127a is injection-molded with a material (EPDM or the like) that can obtain a desired elasticity. During this injection molding, the upper edge glass run 1 and the lower edge glass run inner 117
Are used as inserts, and the longitudinal portions 43 and the lateral portions 45 are subjected to flow-bonding with their axes aligned.

As a result, the clearance portion 13 of the upper edge glass run 1-the clearance path 13a of the vertical portion 43-the hollow space of the hollow portion 126a of the horizontal portion 45-the hollow space of the hollow portion 126 of the lower edge glass run inner 117 communicates without any gap. Will be done. Further, the bend lip 7, 7a is also connected to the second seal portion 126, 126a without any gap.

Therefore, the air inside the vehicle is prevented from being sucked out at high speeds, making it difficult for wind noise to occur, and the escape route 1
Rainwater drained by 3,13a cannot enter the room.

<Operations and Effects of the Invention> As described above, in the corner portion structure of the glass run of the present invention, the upper edge glass run and the lower edge glass run inner having a predetermined cross-section are connected to the vertical portion and the horizontal portion of the predetermined shape. The corner pieces provided with are interveningly connected, and at the intersection of the vertical portion and the horizontal portion of the corner piece, the first seal portion in the horizontal portion is applied to the bend lip portion in the vertical portion, and the first seal portion in the horizontal portion is connected. The lip portion of the two-seal portion is smoothly and integrally connected to the bend lip portion in the vertical portion, and the bend lip portion in the vertical portion disappears from the intersecting portion to the lower side, and the second seal portion in the horizontal portion is formed. The peripheral wall of the hollow part of the vertical part is connected to the vertical bend part and the sealing wall of the hollow seal part so as to close the lower end of the escape passage in the vertical part. And the escape route for rainwater formed by the bend lip section,
The hollow space of the hollow portion of the second seal portion in the lateral portion is connected.

Therefore, the escape passage of the upper edge glass run and the hollow space of the hollow portion of the lower edge glass run inner are connected by the escape passage of the corner piece and the hollow space of the hollow portion without a gap. As a result, rainwater or the like that should be drained through the escape route cannot enter the room. Further, the bend lip portion of the upper edge glass run is also connected to the second seal portion of the lower edge glass run inner without any gap through the bend lip portion of the corner piece and the second seal portion. This prevents the air in the vehicle from being sucked out when the vehicle is traveling at high speed, and makes it difficult for wind noise to occur. Here, since the amount of elastic deformation (collapse of the hollow portion) when the second seal portion contacts the inner surface of the door glass is small, mutual elastic deformation action is not hindered even when connected to the bend lip portion, which is preferable. A good sealing property can be obtained.

As described above, the corner structure of the present invention improves the function of preventing wind noise in the glass run and the function of preventing rainwater and the like from entering the room.

[Brief description of drawings]

FIG. 1 shows a corner piece 41 used in the embodiment of the present invention.
FIG. 2 is a perspective view showing a structure in which the conventional glass run 1 for the upper edge of the window frame and the inner glass run 17 for the lower edge of the window frame are attached, and FIG. 3 is a glass run 15 for the lower edge of the window frame. (Glass run inner 17 for window frame lower edge and glass run outer 1 for window frame lower edge
9), FIG. 4 is a front view of the vehicle door showing the conventional structure, FIG. 5 is a front view of the vehicle door showing the structure of the embodiment, and FIG. 6 is a sectional view of the corner piece 41. It corresponds to the VI-VI part of FIG. 1, and FIG. 7 shows the corner piece 41.
FIG. 7 is a cross-sectional view of FIG. 1 and corresponds to the VII-VII portion in FIG. 1. 1 ... Glass run for upper edge of window frame (upper edge), 3,3a ... Base part, 5,5a ... Hollow seal part, 7,7a ... Bend lip part, 9,21, 32 ... Window frame, 11, 11a ... Seal wall , 12,12a ... Engaging wall, 13,13a ... Escape path, 17,117 ... Glass run for lower edge of window frame (lower edge), 23,123,123a ... Base part, 25,125,125a ... First seal part, 27,127,127a ... Second seal part , 41… Corner piece, 43… Vertical section, 45… Horizontal section, 126,126a… Hollow section, 128,128a… Rip section.

Claims (1)

[Scope of utility model registration request] 1. A glass run for an upper edge of a window frame arranged in an upper edge window frame, and a glass run for a lower edge of a window frame arranged so as to intersect with the glass run for an upper edge of the window frame. A corner portion structure of a glass run in which an inner and a corner piece arranged at a corner portion of a window frame are respectively bonded and connected to each other, wherein the window frame upper edge glass run is the upper edge window frame. A hollow seal portion having a base portion fixed to, a sealing wall that seals an end surface of the door glass, and an engagement wall that is connected to the sealing wall and seals an outer peripheral edge of the door glass; Extend, bend the tip toward the seal wall, seal the inner peripheral edge of the door glass,
A bend run portion capable of forming an escape path for rainwater and the like with the seal wall, the glass runner for the window frame lower edge is fixed to the lower edge window frame, and a base of the base portion. A strip-shaped first seal portion which is erected on the upper edge side and seals the inner surface of the door glass, a hollow portion which is erected on the lower edge side of the base portion and extends from the base portion, and a back from the first seal portion. A second seal portion having a strip-shaped lip portion that lowers and extends from the hollow portion and seals the inner surface of the door glass; and the corner piece has an end surface side on the window frame. The base portion of the glass run for rim, the base portion corresponding to the hollow seal portion and the bend lip portion, and the hollow seal portion and the bend lip portion are provided and have the same cross section as the glass run for the window frame upper edge. Align the axis with the glass run A vertical portion to be bonded, a base portion having the end face side corresponding to the base portion of the glass run inner for the window frame lower edge, the first seal portion and the second seal portion, the first seal portion and the second seal portion. And the same horizontal cross-section as the glass run inner for the window frame lower edge, and a horizontal portion that is adhered to the glass run inner for the window frame lower edge in alignment with the axis, and the vertical portion and the horizontal portion. At the intersecting portion, the first seal portion in the horizontal portion is abutted against the bend lip portion in the vertical portion, and the second seal portion in the horizontal portion is provided.
The lip portion of the seal portion is connected to the bend lip portion in the vertical portion so as to be smoothly integrated, and the bend lip portion in the vertical portion disappears from the intersecting portion to the lower side, and (2) The hollow peripheral wall of the seal portion is connected to the bend lip portion of the vertical portion and the seal wall of the hollow seal portion so as to close the lower end of the escape passage in the vertical portion, and the base / seal wall of the vertical portion. . Rainwater escape passage formed by the bend lip portion and the second portion in the lateral portion
A structure of a corner portion of a glass run, characterized in that a hollow space of a hollow portion of a seal portion is connected.