JP5641803B2 - Opening weather strip - Google Patents

Description

  The present invention relates to an opening weather strip that is attached to a door opening edge of an automobile body and includes a hollow seal portion that elastically contacts and seals a sash door when the door is closed.

  An opening weather strip 1 shown in FIG. 1 has a substantially U-shaped mounting base 5 embedded in a core metal 2 having a U-shaped cross section and inserted into a flange 4 at a door opening edge 3 of an automobile body. The base portion 5 is formed to project outward from the vehicle outer side wall 5a, and includes a hollow seal portion 8 that elastically contacts and seals the sash 7 when the door is closed, and the mounting base portion 5 is made of rubber such as EPDM or a thermoplastic elastomer. It is formed of a solid material or a sponge material having a specific gravity of 0.4 to 1.0, and an inner side of the bottom wall 5b connecting both side walls 5a and 5c is covered with an interior material 9, and a covering lip 11 covering the interior material end extends. It is installed. A plurality of protrusions 5d are formed on the inner side of the vehicle outer side wall 5a, while a grip lip 5e is formed on the vehicle inner side wall 5c so as to cooperate with the protrusion 5d and sandwich the flange 4.

  The hollow seal portion 8 is usually formed of a sponge material having a specific gravity of 0.3 to 0.7 made of rubber such as EPDM or thermoplastic elastomer.

  When the above-mentioned opening weather strip 1 is made of rubber, it usually exhibits a black color, but the surface layer portion that is noticeable on the bottom wall 5b of the mounting base 5 and the covering lip 11 is a design portion by pattern or coloring. Also known are those in which the sash 7 is painted black according to the color of the weather strip and those in which a black resin cover is attached to the sash 7 (Patent Documents 2 and 3).

  In the figure, 13 is a glass run attached to the inner peripheral side of the sash 7. A weather strip 16 is attached to the outer peripheral side of the sash 7 and is formed with a hollow base 18 attached to a retainer 17 fixed to the outer periphery of the sash, and protrudes from the base 18 so that the door opening edge is closed when the door is closed. A hollow seal portion 19 and a seal lip 20 which are in elastic contact with the portion 3 are formed.

  FIG. 2 shows a weather strip 22 that is disclosed in FIG. 2 of the following Patent Document 1 and is attached to the step portion of the door opening edge of the automobile body. The reverse U attached by being inserted into the upper flange 24 of the rocker 23. A hollow portion made of a solid rubber having a cross-sectional shape and a sponge rubber which is formed to project outward from the vehicle outer side wall of the trim portion 25 toward the vehicle outer side and elastically contacts and seals with the inner garnish 27 of the door 26 when the door is closed. And a cover member 29 that covers the hollow portion 28 and extends from the bottom wall of the trim portion 25. The cover member 29 covers the hollow portion 28 so that the hollow portion 28 is stepped on with a shoe when the passenger gets on and off. So that it will not be struck, hooked, or touched and damaged when loading / unloading, so that a good seal can be maintained. That. In the figure, 30 is an interior material.

  Cited Document 1 also proposes a cover member that constitutes a part of a hollow portion and is integrated with the hollow portion (FIG. 3).

Microfilm of Japanese Utility Model No. 60-50309 (Japanese Utility Model Application No. 61-165855) Microfilm (Fig. 2) of actual application No. 56-14693 (No. 57-128513) JP-A-7-223437 (FIGS. 10 and 11)

  In the opening weather strip 1 shown in FIG. 1, a groove a is formed between the mounting base 5 and the hollow seal portion 8. When the groove a closes the door and the sash 7 crushes the hollow seal portion 8, Deepen and damage the appearance.

  Even when the bottom wall 5b of the mounting base 5 and the surface layer portion of the covering lip 11 are designed portions, when the door is closed, the black hollow seal portion 8 is visible from the inside of the vehicle between the designed portion and the sash 7, and the appearance is impaired. .

  If the cover member 29 as shown in FIG. 2 is formed so as to protrude from the mounting base 5 so as to cover the hollow seal portion 8, not only the groove a between the mounting base 5 and the hollow seal portion 8 but also the hollow seal portion itself. Although the appearance problem as described above is eliminated, the sash is viewed from the edge of the cover member with the door closed, and the metal color of the sash and the color of the cover member show a noticeable difference. Not preferable.

  The present invention has been made to solve the above problems, and provides an opening weather strip that can improve the appearance by covering and covering the sash when the door is closed.

The invention according to claim 1 includes an attachment base 5 attached to the door opening edge 3 of the automobile body, and a hollow seal portion 8 protruding from the attachment base 5 and elastically contacting and sealing the door sash 7 when the door is closed. , an opening weather strip 31, 41 and a 43, the sash 7, glass run 13 is attached, the claw piece 34 to the inner side wall 13b ends constituting the glass run 13, for locking the sash 7 opening There are formed, in which a cover lip 32, 42 distal the mounting base part 5 from being extended when the door is closed is connected the one in contact with the claw piece 34, or in overhanging the nail piece 34 In the weather strip, the cover lip 42 constitutes a part of the hollow seal portion 43, and is integrated with the hollow seal portion 43, and the tip portion protrudes from the hollow seal portion 43. To close the door, and characterized in that the cover lip tip is bent the cover lip 42 contacts sash 7 or claw piece 34 elastically by deformation of the hollow sealing portion 43 when the sash 7 is I pushed the hollow seal portion 43 To do.

The invention according to claim 2 includes an attachment base 5 attached to the door opening edge 3 of the automobile body, and a hollow seal portion 8 protruding from the attachment base 5 and elastically contacting and sealing the door sash 7 when the door is closed. , 43, and a glass run 13 is attached to the sash 7, and a claw piece 34 to be engaged with the sash 7 is provided at an end of the vehicle interior side wall 13b constituting the glass run 13. And is provided with cover lips 32, 42 that extend from the mounting base 5 and have their tips abutted against the claw piece 34 when the door is closed or are covered and connected to the claw piece 34. In the weather strip, the cover lip is formed to cover the hollow seal portion independently of the hollow seal portion.

The invention according to claim 3 is characterized in that, in the invention according to claim 1 or 2 , the opening weather strip and the glass run are formed in the same color at least at a portion visible from the vehicle interior side.

According to the present invention relating to claim 1, when the door is closed, so that the hollow seal portion due to the deformation pushed by the sash, the cover lip tip is bent cover lip is connected to the claw piece of the glass run Thus, the sash is covered and at the same time, the hollow seal portion and the groove portion between the hollow seal portion and the mounting base are also covered, so that the appearance is improved. The cover lip tip appear metallic color or coating color of the sash away from the pawl, such hardly occurs a problem, it is not necessary to colored paint to coordinate the opening weather strip and glass run and color the sash.

According to the invention according to claim 2 , the cover lip can maintain the connection with the claw piece regardless of the deformation of the hollow seal portion when the door is closed, and can achieve the same effect as the invention according to claim 2. .

According to the third aspect of the present invention, the difference between the opening weather strip and the glass run becomes inconspicuous when viewed from the inside of the vehicle, and the appearance is further improved.

Sectional drawing of the conventional opening weather strip attached to a door opening edge, and the glass run and weather strip attached to a sash. Sectional drawing of the weather strip of the prior art example attached to the step part of a door opening. Sectional drawing of the glass run and weather strip attached to the opening weather strip and sash concerning this invention. Sectional drawing of another example of a glass run and the opening weather strip concerning this invention. Sectional drawing of the weather strip and glass run shown in FIG. 4 when a door is closed.

  Hereinafter, an opening weather strip according to an embodiment of the present invention will be described with reference to the drawings. In the figure, the same reference numerals are assigned to the same structural parts as those of the conventional opening weather strip shown in FIG.

  The opening weather strip 31 shown in FIG. 3 has the same structure as the opening weather strip 1 shown in FIG. 1 except that it has a cover lip 32 described later. That is, the mounting base 5 is composed of a vehicle outer side wall 5a, a company inner side wall 5c, and a bottom wall 5b connecting both side walls 5a, 5c to form a substantially U-shaped cross section, and is made of rubber such as EPDM or thermoplastic elastomer. A core material 2 having a U-shaped cross section is embedded in the solid material or a sponge material having a specific gravity of 0.4 to 1.0. A plurality of protrusions 5d are formed on the inner side wall 5a at an appropriate interval in the insertion direction to the flange 4, while a grip lip that holds the flange 4 in cooperation with the protrusion 5d is formed on the inner side wall 5c. 5e is formed.

  On the bottom wall 5b, a covering lip 11 is provided so as to cover the inner material 9 on the inner side and cover the end of the inner material. On the outer side, a cover lip 32 has a hollow seal portion 8 in the extending direction of the bottom wall 5b. It is formed to extend long so as to cover it.

  The hollow seal portion 8 is a sponge material made of rubber such as EPDM or a thermoplastic elastomer having a specific gravity of 0.3 to 0.7, and is formed so as to protrude from the vehicle outer side wall 5a toward the vehicle outer side independently of the cover lip 32. Has been.

  The weather strip 31 is attached by inserting the attachment base 5 into the flange 4 at the door opening edge 3 of the automobile body (FIG. 3). The door is closed in the attached state, and the sash 7 pushes the hollow seal portion 8. Then, the hollow seal portion 8 is crushed and elastically contacts the sash 7 for sealing.

  The cover lip 32 is formed so as not to interfere with the sash 7 when the door is closed (the arrow in FIG. 3 indicates the entrance direction of the door). It comes to be connected.

  The glass run 13 is mounted on the inner peripheral side of the sash 7 and has a known structure that seals the inner periphery of the window glass. The glass run 13 is a bottom wall that connects the vehicle outer side wall 13a, the vehicle inner side wall 13b, and both side walls 13a and 13b. And seal lips 13d and 13e that are integrally formed inward from both side wall ends and elastically contact with the periphery of the window glass, and claw pieces 34 that protrude from the inner side wall 13b end to the inner side and cover the sash 7 for locking. And the whole is made of rubber such as EPDM or thermoplastic elastomer.

  The weather stop 16 has the above-described configuration and is not a characteristic part of the present invention, and thus detailed description thereof is omitted.

  The weather strip 31 of the present embodiment is configured as described above. When the door is closed, the sash 7 pushes the hollow seal portion 8 without interfering with the cover lip 32. When the door is closed, the cover lip tip contacts and is connected to the claw piece 34 to cover the sash 7. As a result, the metal color of the sash 7 is not noticeable, and the hollow seal portion 8 and the groove a between the hollow seal portion 8 and the mounting base portion 5 are also covered and the cover lip 32 and the claw piece 34 are not covered. Even if a slight level difference occurs between them, a substantially continuous surface from the covering lip 11 to the claw piece 34 is formed, and the appearance is improved.

  The opening weather strip 31 and the glass run 13 are preferably formed of the same color, more preferably the same color and the same material. Thereby, the difference between the opening weather strip and the glass run becomes inconspicuous, and the appearance is further improved. The opening weather strip 31 and the glass run 13 are not made of the same color and the same material, and the portions of the opening weather strip 31 that are visible from the inside of the vehicle, that is, the surface layers of the covering lip 11, the bottom wall 15 b, and the cover lip 32 are seen from the inside of the glass run 13. Even if it is formed on the visible portion, that is, the design portion having the same color as the surface layer portion of the claw piece 34 and the seal lips 13d and 13e, the same effect in appearance is produced.

  In the case where a design portion made of a pattern is formed on the surface layer portion of the covering lip 11, the bottom wall 5b and the cover lip 32 of the opening weather strip 31, the same applies to the claw pieces 34 of the glass run 13 and the surface layer portions of the seal lips 13d and 13e. It is desirable to form a design part. As a design, for example, a colored surface by coating or unevenness on the surface by a texture roll, a cloth or resin sheet affixed, or a design surface that forms a thin surface layer portion together with the main body during coextrusion, for example, a color material or air bubbles appear A fab-like surface formed by the like, or flocking is also included.

  The cover lip 32 of the embodiment is configured such that when the door is closed, the tip of the cover lip is in contact with the claw piece 34 of the glass run 13, but the cover lip tip covers the claw piece 34. You may make it connect. In this case, the sash 7 is reliably covered with the cover lip 32 and the claw piece 34, and the sash 7 can be reliably prevented from being noticed from the connection portion.

  The opening weather strip 41 shown in FIG. 4 has a mounting base 5 and a covering lip 11 in the same manner as the opening weather strip 31 shown in FIG. 3, and is different from the weather strip 31 shown in FIG. 3 on the outer side from the bottom wall 5b. The cover lip 42 extending in the direction constitutes a part of the hollow seal portion 43 and is integrated with the hollow seal portion 43, so that the cover lip tip protrudes from the hollow seal portion 43. The glass run 13 has the same structure as the glass run 13 shown in FIG.

  When the door closes in the direction of the arrow shown in FIG. 5, the sash 7 hits the hollow seal portion 43 other than the cover lip 42 without interfering with the cover lip 42 and pushes the hollow seal portion 43. As the hollow seal portion 43 is deformed by pushing, the cover lip 42 bends toward the sash 7, the tip hits the sash 7, and comes into contact with the claw piece 34 of the glass run 13 to be connected.

  According to the opening weather strip 41 of the present embodiment, when the door is closed, the cover lip 42 bends in the direction toward the sash 7 with the sash 7 pushing the hollow seal portion 43, whereby the tip of the cover lip becomes the sash 7. It is prevented from being separated from the claw piece 34 by being pressed, and the metal color or paint color of the sash 7 is prevented from being exposed.

Also in the opening weather strip of the present embodiment, it is preferably formed in the same color as the glass run 13 and more preferably in the same color and the same material as the glass run 13 for the reasons described above, and the covering lip 11, the bottom wall 5b and the cover lip 32 have a surface layer portion as a design. In the case of the parts, it is desirable that the claw pieces 34 of the glass run 13 and the surface layer parts of the seal lips 13d and 13e are the same design part.
Further, the surface layer portions of the covering lip 11, the bottom wall 5 b and the cover lip 32 are preferably the same design portion as the interior material 9.

  The cover lip 42 of the present embodiment is connected so that the tip is in contact with the claw piece 34, but as described above, the cover lip 42 is connected so that the tip of the cover lip covers the claw piece 34. You may make it do.

1, 31, 41 ··· Opening weather strip 2 · · Core 3 · · Door opening edge 4 · · Flange 5 · · Mounting base 7 · · Sash 8, 43 · · Hollow seal portion 11 · · Covering lip 13 · Glass run 16 Weather strip 32, 42 Cover lip 34 Claw piece

Claims (3)

Opening weather strip having an attachment base 5 attached to the door opening edge 3 of the automobile body, and hollow seal portions 8 and 43 projecting from the attachment base 5 and elastically contacting and sealing the door sash 7 when the door is closed a 31 and 41, the sash 7, glass run 13 is attached to the inner side wall 13b ends constituting the glass run 13 is formed pawl 34 which engages the sash 7, the mounting In the opening weather strip provided with cover lips 32 and 42 that extend from the base 5 and have a tip abutting against the claw piece 34 when the door is closed or covering the claw piece 34 and connected thereto , the cover lip 42 Constitutes a part of the hollow seal portion 43, is integral with the hollow seal portion 43, and the tip portion projects from the hollow seal portion 43, closes the door, and Opening weather strip cover lip tip is bent the cover lip 42 by the deformation of the hollow sealing portion 43 is characterized in that the contact sash 7 or claw piece 34 elastically when Interview 7 took pushed do the hollow seal portion 43. Opening weather strip having an attachment base 5 attached to the door opening edge 3 of the automobile body, and hollow seal portions 8 and 43 projecting from the attachment base 5 and elastically contacting and sealing the door sash 7 when the door is closed A glass run 13 is attached to the sash 7, and a claw piece 34 that is engaged with the sash 7 is formed at the end of the vehicle interior side wall 13 b that constitutes the glass run 13. In the opening weather strip provided with cover lips 32 and 42 that extend from the base 5 and have a tip abutting against the claw piece 34 when the door is closed or are covered by the claw piece 34 and connected thereto, the cover lip 32 The opening weather strip is formed so as to cover the hollow seal portion 8 independently of the hollow seal portion 8. The opening weather strip according to claim 1 or 2, wherein the opening weather strips (31, 41) and the glass run (13) are formed in the same color at least in a portion visible from the inside of the vehicle.