JPH0617614Y2 - Attachment structure for the terminal of weather strips for automobiles - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a weather strip of an automobile, particularly to a mounting structure of a terminal portion thereof.

[Prior Art] In an automobile as shown in Fig. 1, a weather strip 3 is attached to the inner surface of a door body 1 along the periphery thereof. A weather strip 4 is attached along the roof side at the door opening on the body side. And
When the door is closed, the ends 30, 4 of both weather strips 3, 4
0s are overlapped and pressed against each other.

FIG. 4 shows a cross section of the terminal portion 30 of the weather strip 3 on the door side. In the terminal portion 30, a sheet metal core metal 31 having a shape corresponding to the uneven surface of the door panel 10 to which the weather strip 3 is mounted is embedded. By attaching the terminal portion 30 to the door panel 10 with a clip, the door panel 10 and the surface of the terminal portion 30 corresponding thereto are brought into close contact with each other over the entire surface. The cored end portion 40 of the weather strip 4 on the body side is also attached to the body panel with the same structure.

[Problems to be solved by the present invention] However, in reality, variations in the processed shapes of the panel and the core bar and variations in the rubber thickness of the terminal portion occur, and the panel side and the terminal portion side in some or all of the uneven portions. The shapes do not match with, and the terminal portion 30 is locally pushed up to be in a floating state. If this floating occurs, it may be difficult to attach the clip. In addition, if lifting occurs, the outer surface (seal surface) that comes into pressure contact with the end of the other weather strip.
The shape of is different from the desired shape, and the sealing property is deteriorated.

Therefore, the present invention provides a weatherstrip terminal portion mounting structure in which the above-mentioned floating does not occur even if there is variation in the panel to which the weatherstrip terminal portion is mounted, the core metal in the terminal portion, or the wall thickness of the terminal portion. The purpose is.

[Means for Solving the Problems] In the present invention, the radius of curvature of the uneven portion of the core metal embedded in the end portion of the weather strip and the radius of curvature of the corresponding uneven portion of the panel on which the end portion is mounted are not the same. A difference is set so that a gap exists between the uneven surface of the panel and the uneven surface of the terminal portion embedded in the cored bar and attached to the panel.

More specifically, as shown in FIG. 3, the radius of curvature of the cored bar 31 is made smaller than the radius of curvature of the panel 10 in the convex part projecting to the terminal part 30 side, and the core bar is made in the concave part projecting to the panel 10 side. The radius of curvature 31 is smaller than the radius of curvature of the panel 10. As a result, the gaps 5A, 5B, and 5C are positively generated between the uneven portion of the panel 10 and the facing uneven portion of the terminal portion 30.

[Effect] As a result, even if the uneven portions are displaced in the directions in which they are pressed against each other due to the variation in the thickness of the panel, the core metal, or the terminal portion, this variation is absorbed in the above gap. Therefore, the terminal portion does not float, the difficulty of clipping is eliminated, and the sealing surface is maintained at a predetermined height and shape.

[Embodiment] FIG. 2 shows the terminal portion 30 of the weather strip 3 attached to the peripheral edge of the inner surface of the door body 3, and FIG. 3 shows the terminal portion 30.
The cross section of is shown.

The terminal portion 30 of the weather strip 3 is attached to the inner panel 10 at the end of the waist line of the door body 1. The inner panel 10 has a stepped cross section and has convex portions 10A and 10A.
B and a recess 10C. 2 is a door glass.

On the other hand, the terminal portion 30 is a rubber molding material in which a cored bar 31 is embedded, and the cored bar 31 has a step shape corresponding to the inner panel 10 and has substantially convex portions 31A, 31B and a concave portion 31C. It is covered with a rubber material of uniform thickness.

Then, in the corresponding concave and convex portions of the panel 10 and the core metal 31, there is a difference in the radius of curvature between them, and the convex portion 31A <1.
0A, convex portion 31B <10B, concave portion 31C> 10C,
When the terminal portion 30 is fitted to the inner panel 10, gaps 5A, 5B and 5C are formed in the facing surfaces.

In this way, by setting the difference in the uneven portion shape in advance,
Even if the processed shape varies from the predetermined shape, this variation is absorbed by the gaps 5A, 5B, and 5C. Therefore, a part of the terminal portion 30 is locally pushed up by the inner panel 10 and does not float up. For this reason, clip fastening can be performed accurately with good workability. In addition, the outer surface of the terminal portion 30, that is, the terminal portion 40 (the first portion) of the weather strip on the body side which is the mating member.
The sealing surface pressed against the surface of the figure) is maintained at a predetermined height and uneven shape.

Although the above embodiment is for the weather strip 3 on the door side, the terminal portion 40 of the weather strip 4 on the body side shown in FIG. 1 is also a weather strip on the door side with respect to the body panel to which it is attached. 3 has substantially the same relationship as the terminal unit 30 and the present invention can be suitably applied to the terminal unit 40.

Therefore, according to the present invention, the sealing surfaces of both the terminal portions 30 and 40 can be formed into the shapes that match the entire surfaces irrespective of variations in the body panel or the door panel and the core metal, so that a good sealing property is always obtained.

[Brief description of drawings]

FIG. 1 is a perspective view of an automobile to which the present invention is applied, FIGS. 2 and 3 show an embodiment of the present invention, and FIG. 2 is a perspective view of a weatherstrip terminal portion attached to a door. 3, FIG. 3 is a sectional view taken along the line III-III in FIG. 2, and FIG. 4 is a sectional view of a conventional weatherstrip terminal portion in a mounted state. 1 ... Door body 10 ... Door panel 3, 4 ... Weather strip 30, 40 ... Weather strip end portion 31 ... Core metal 10A, 10B ... Door panel convex portion 10C ... Door panel concave portion 31A, 31B. Metal core convex part 31C ... core metal concave part 5A, 5B, 5C ... gap

Claims (1)

[Scope of utility model registration request] 1. The curvature of the uneven portion of the panel to which the weather strip ends are attached in the weather strip end portion on the door side and the weather strip end portion on the body side that are pressed against each other when the automobile door is closed. The radius and the radius of curvature of the uneven portion of the core metal that is embedded in the end portion and corresponds to the uneven portion when attaching the weather strip are set to a difference, and the uneven surface of the panel and the end portion of the panel when attaching the weather strip are set. A structure for attaching a terminal portion of a weather strip for an automobile, characterized in that a gap is provided between the surface of the uneven portion and the surface of the uneven portion.