JP3719071B2 - Glass run mounting structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a glass run mounting structure that is mounted along the inner periphery of a door frame of an automobile door.
[0002]
[Prior art]
As shown in FIG. 2, a glass run 3 is attached along the inner periphery of the door frame 1 of the automobile door. As shown in FIG. 3A, the glass run 3 has seal lips 32a and 32b extending inward from the opposite side walls 31a and 31b of the main body 30 having a substantially U-shaped cross section. Has a basic structure in which the outer peripheral portion is sandwiched between the sealing lips 32a and 32b from both sides when the is closed.
[0003]
The glass run 3 differs from the glass run 3 shown in the figure depending on the type of vehicle to which the side wall 31a on the vehicle inner side is formed thicker and longer than the side wall 31b on the vehicle outer side as shown in the figure. There is also a cross-sectional shape, for example, a shape in which the vehicle inner side and the vehicle inner side are nearly symmetrical.
[0004]
On the other hand, on the inner peripheral side of the door frame 1, a glass run attachment portion 10 having a substantially U-shaped cross section for inserting the glass run 3 is formed. Further, a side surface 13 of the door frame 1 on the inner side of the vehicle protrudes in the vehicle interior direction, and a protruding end of the door frame 1 is attached to the door opening edge of the vehicle body via a garnish 4 that covers the side surface 13 when the door is closed. It comes in pressure contact with the opening weather strip. In the figure, 5 is a door weather strip.
[0005]
In the garnish 4, the terminal 41 is brought into close contact with the front end of the side wall 31a on the vehicle interior side of the glass run 3 fitted to the glass run attaching portion 10 (Japanese Patent Laid-Open No. 8-295134).
[0006]
As this type of terminal processing structure, as shown in FIG. 3 (A), the receiving portion 14 that receives the tip of the side wall 31a is formed at the opening end inside the glass run mounting portion 10 of the door frame 1, Generally, a structure is adopted in which a concave groove 33 is formed near the inner surface of the side wall 31a at the tip of the side wall 31a of the glass run 3, and the standing terminal edge 41 of the garnish 4 is fitted into the concave groove 33.
[0007]
[Problems to be solved by the invention]
However, in the above terminal processing structure, as shown in FIG. 3 (B), when the standing terminal edge 41 of the garnish 4 is lifted to fit into the concave groove 33, the front end of the side wall 31a of the glass run 3 on the vehicle interior side The inner end protruding edge 34 of the garnish 4 may be caught between the standing terminal edge 41 of the garnish 4 and the receiving portion 14 and the intended insertion may not be performed, and terminal processing is difficult and laborious. .
[0008]
Further, when the tip of the side wall 31a is attached in a state of being lifted from the receiving portion 14 without coming into contact with the receiving portion 14 opposed thereto due to the mounting variation of the glass run 3, the standing terminal edge 41 of the garnish 4 is Even if the glass run 3 is fitted in the concave groove 33 at the front end, there is a problem that both the front end and the standing terminal edge 41 are unstable and unstable.
[0009]
Therefore, the present invention has been made with an object of reliably performing terminal processing between the glass run and the garnish of the door frame with good workability and stabilizing the terminal processing unit.
[0010]
[Means for Solving the Problems]
The present invention provides a glass run mounting portion formed on the inner peripheral side of a door frame of an automobile door, with a glass run extending from both side walls of the main body portion having a substantially U-shaped cross section, and a seal lip extending from both sides of the door glass. In the glass run mounting structure in which the rising end edge of the garnish that covers the side surface of the door frame on the vehicle interior side is in close contact with the tip of the side wall on the inside of the glass run, the inside of the glass run mounting portion A receiving portion that protrudes inward from the glass run attachment portion is formed at the tip of the glass run, and extends from the tip of the side wall closer to the outer surface of the side wall than the lip portion, and is pressed against the receiving portion when the glass run is attached. A low protrusion that forms another lip and forms a concave groove between the lip and the other lip, facing the root of the lip and forming a groove between the lip and the lip. Form, orthostatic terminal edge of the garnish, characterized in that allowed to fit into the concave groove along the lip (claim 1).
[0011]
In the present invention, the other lip is formed so as to be easily bent and is pressed against the receiving portion in a bent state ( claim 2).
[0012]
In the present invention, since the lip portion extending further downward than the receiving portion of the glass run attachment portion is formed at the tip of the side wall inside the glass run , the garnish terminal edge is lifted along the lip portion. Then, the standing terminal edge is securely inserted into the concave groove . Further, by forming the inner side pliable said other lip at the tip of the side wall of the glass run, in pressure contact with the receiving portion in a state the other lip is deflected, stable tip of the side wall of the interior side of the glass run Therefore, the standing end edge of the garnish engaged therewith is also stabilized.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 shows an embodiment of the present invention. The glass run 3 is an extruded product of rubber or olefin-based thermoplastic elastomer, and extends toward the inside of the main body 30 from the main body 30 having a substantially U-shaped cross section and opposite side walls 31a and 31b of the main body 30. Seal lips 32a and 32b are provided. The side wall 31a on the vehicle inner side is longer and thicker than the side wall 31b on the vehicle outer side, and the tip side is particularly thick. The seal lip 32a extends from an intermediate portion of the vehicle interior side wall 31a and faces the seal lip 32b extending from the tip of the vehicle exterior side wall 31b. The seal lip 32a is not limited to the middle portion of the side wall 31a on the vehicle interior side, and may be extended from another position, for example, from the lower end portion, and may not be opposed to the seal lip 32b.
[0014]
On the other hand, the door frame 1 includes a panel 11 that forms an outer peripheral surface thereof, a panel 12 that forms a glass run mounting portion 10 having a substantially U-shaped cross section with the panel 11, and a panel that forms a side surface on the vehicle inner side of the door frame 1. 13. The glass run attachment portion 10 has a cross-sectional shape corresponding to the main body portion 30 of the glass run 1. The side surface 13 has a substantially U-shaped cross section and protrudes toward the inside of the vehicle. The lower edge of the side surface 13 is welded to the lower surface of a receiving portion 14 formed by bending the lower end of the panel 12 of the door frame 1 into an L shape inside the glass run mounting portion 10. The side surface 13 is covered with a garnish 4 made of a synthetic resin having substantially the same cross-sectional shape.
[0015]
The glass run 3 is attached by fitting the main body portion 30 into the glass run attachment portion 10 of the door frame 1, and the seal lips 32 a and 32 b sandwich the outer peripheral portion of the door glass 2 from both sides.
[0016]
From the position along the inner surface of the side wall 31a, the front end of the receiving portion 14 formed at the opening end of the door frame 1 is attached to the front end of the thick side wall 31a of the glass run 3 from the position along the inner side surface of the side wall 31a. cover slightly spaced gap and further receiving portion 14 lip extending near the lower surface of the garnish 4 extending downward (outward) than (hereinafter referred to as a first lip part) are to 35 be formed. The lip portion 35 is tapered, and the distal end portion is slightly curved toward the receiving portion 14 in a natural state.
[0017]
Further, at the front end of the side wall 31a on the vehicle inner side, another lip portion (hereinafter referred to as a second lip portion) that extends downward from a position along the outer surface of the side wall 31a and is different from the first lip portion 35 is described below. 36) is formed. The second lip portion 36 is shorter than the first lip portion 35 and is thin and easy to bend. A protruding portion 37 having a low chevron shape is formed between the lip portions 35 and 36 at the front end of the side wall 31a, and between the protruding portion 37 and the root portion of the first lip portion 35 facing the protruding portion 37. Is a concave groove 38.
[0018]
When the glass run 3 is attached by fitting the main body portion 30 to the glass run attachment portion 10 of the door frame 1, the front end surface of the side wall 31 a inside the glass run 3 and the inside of the glass run attachment portion 10 inside the vehicle are attached. A gap is inevitably generated between the open end and the receiving portion 14. The gap width varies due to a difference in length between the side wall 31a of the glass run 3 and the vehicle inner side surface portion of the glass run attachment portion 10, variation in attachment of the glass run 3, and the like. However, the gap is absorbed when the second lip portion 36 bends and presses against the receiving portion 14, and the tip of the side wall 31 a of the glass run 3 passes through the second lip portion 36 and the receiving portion. 14 is supported.
[0019]
The terminal portion of the garnish 4 is moved along the lower surface of the side surface 13 on the vehicle inner side of the door frame 1 as shown by an arrow C in the figure, and the standing terminal edge 41 is moved along the first lip portion 35. Then, the first lip portion 35 is inserted between the first lip portion 35 and the front end edge of the receiving portion 14 so as to push open, and the upper end of the standing terminal edge 41 is further connected to the first lip portion. The groove 35 is locked by being fitted into a concave groove 38 inside the root of the portion 35.
[0020]
In this case, since the first lip portion 35 extends downward from the leading edge of the receiving portion 14, the first lip 35 is caught between the leading edge of the receiving portion 14 and the standing terminal edge 41. There is nothing.
[0021]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to this invention, the terminal process between the front-end | tip of the side wall inside the vehicle side of a glass run and the terminal edge of the garnish which coat | covers the vehicle inner side surface of a door frame can be made | formed with favorable workability and correctly. In addition, the tip of the side wall on the inner side of the glass run can be held in a stable manner by forming a lip portion that is elastically contacted with the opening end of the glass run mounting portion of the door frame and supported by the opening end. Accordingly, the terminal edge of the garnish locked to the tip is also stably held without wobbling.
[Brief description of the drawings]
1 is a cross-sectional view of a glass run attachment structure of the present invention at a position along the line AA in FIG. 2;
FIG. 2 is a cross-sectional view of an automobile door equipped with a glass run.
3A is a cross-sectional view of a conventional glass run mounting structure at a position along the line AA in FIG. 2, and FIG. 3B is a diagram showing a defect in the conventional glass run mounting structure. It is.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Door frame 10 Glass run attachment part 14 Receiving part 2 Door glass 3 Glass run 30 Main body part 31a Car side wall 31b Car side wall 32a, 32b Seal lip 35 Lip part (1st lip part)
36 Other lip part (second lip part)
37 Projection
38 Groove 4 Garnish 41 Standing terminal edge

Claims (2)

A glass run (3) in which a seal lip (32a, 32b) extending from both sides of the outer periphery of the door glass (2) extends from both side walls (31a, 31b) of the body portion (30) having a substantially U-shaped cross section glass run mounting portion formed on the inner peripheral side of the door of the door frame (1) as well as fit into (10), upright terminal edge of the garnish (4) covering the vehicle interior side surface of the door frame (1) (13) in the mounting structure of the inner side wall of the glass run (3) the tip becomes closely brought into the (31a) (41) the glass run (3), on the interior side of the tip of the glass run mounting portion (10), the A receiving portion (14) projecting inward from the glass run attachment portion (10) is formed, and extends further downward from the receiving portion (14) from the tip to the tip of the side wall (31a) inside the glass run. lip and out (35) In addition to being formed, it extends from the tip of the side wall (31a) closer to the outer surface of the side wall (31a) than the lip part (35), and presses against the receiving part (14) when the glass run (3) is attached And a low protrusion between the lips (35, 36) opposite the root of the lip (35) and forming a groove (38) between the lip (35). A glass run mounting structure, characterized in that a portion (37) is formed and the standing end edge (41) of the garnish (4) is fitted into the concave groove (38) along the lip (35) . The glass run mounting structure according to claim 1, wherein the other lip (36) is formed so as to be easily bent and pressed against the receiving portion (14) in a bent state .

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