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JP4246571B2 - Weather strip for automobile - Google Patents
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JP4246571B2 - Weather strip for automobile - Google Patents

Weather strip for automobile Download PDF

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Publication number
JP4246571B2
JP4246571B2 JP2003302093A JP2003302093A JP4246571B2 JP 4246571 B2 JP4246571 B2 JP 4246571B2 JP 2003302093 A JP2003302093 A JP 2003302093A JP 2003302093 A JP2003302093 A JP 2003302093A JP 4246571 B2 JP4246571 B2 JP 4246571B2
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Japan
Prior art keywords
weather strip
core material
automobile
door
rib
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Expired - Fee Related
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JP2003302093A
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Japanese (ja)
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JP2005041448A (en
Inventor
保行 藤田
修司 来須
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Nishikawa Rubber Co Ltd
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Nishikawa Rubber Co Ltd
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Description

発明の詳細な説明Detailed Description of the Invention

産業上の利用分野Industrial application fields

本発明は、自動車用ウエザーストリップに関するものである。  The present invention relates to a weather strip for automobiles.

図４に示す自動車ドアＤにおける図５に示すドアＤの車体開口縁部１に装着されるウエザーストリップ６は、図２に示す如く断面略Ｕ字状のゴム製のトリム部７に、鋼板を打ち抜き加工した芯金８が埋設され、その展開形状は図６に示す如く、竜骨部８ａの両側に多数個の短冊状の肋骨部８ｂを配設している。またトリム部７には、閉時のドアＤに弾接する中空シール部９が設けられている。  The weather strip 6 mounted on the vehicle body opening edge 1 of the door D shown in FIG. 5 in the automobile door D shown in FIG. 4 has a rubber trim portion 7 having a substantially U-shaped cross section as shown in FIG. As shown in FIG. 6, a punched cored bar 8 is embedded, and a plurality of strip-shaped ribs 8b are arranged on both sides of the keel 8a. The trim portion 7 is provided with a hollow seal portion 9 that elastically contacts the door D when closed.

発明が解決しようとする課題Problems to be solved by the invention

ところが、図５に示すドアＤの車体開口縁部１のセンターピラー側Ｐの、曲率ｒが著しく小さい隅部Ｃに沿わせて前記ウエザーストリップ６が組み付けられる場合、トリム部７の芯金８が鋼板製で剛性が大きいため追従性が悪く組み付け難いという問題があり、また芯金８が鉄材のため重く車体の軽量化を妨げ、また錆を発生るという不具合があった。
そこで、本発明はかかる従来の課題に鑑みて、トリム部に埋設する芯材の改良により、組み付け時の追従性の向上及びその軽量化や錆の発生防止を図った自動車用ウエザーストリップを提供することを目的とする。However, when the weather strip 6 is assembled along the corner C on the center pillar side P of the vehicle body opening edge 1 of the door D shown in FIG. There are problems that it is made of a steel plate and has high rigidity, so that the followability is poor and it is difficult to assemble, and the cored bar 8 is heavy because it is a steel material, thus preventing weight reduction of the vehicle body and generating rust.
Therefore, in view of such conventional problems, the present invention provides an automotive weather strip that improves followability during assembly, reduces its weight, and prevents the occurrence of rust by improving the core material embedded in the trim portion. For the purpose.

課題を解決しようとする手段Means to solve the problem

かかる目的を達成するために本発明の構成は、図１〜図３に示すように、自動車のドアＤ等の車体開口縁部１に装着されるウエザーストリップ２において、該ウエザーストリップ２の断面略Ｕ字状でゴム製のトリム部３に埋設された芯材５が、板状の硬質合成樹脂製で背骨部５ａと複数の肋骨部５ｂとから成り、各肋骨部５ｂの平面形状が、先細りの略三角状に形成されたものであり、
また、前記芯材５の各肋骨部５ｂの先端側ｓの板厚が、基端側ｋよりも薄肉に形成されたものである。In order to achieve such an object, the configuration of the present invention is such that, as shown in FIGS. 1 to 3, in a weather strip 2 mounted on a vehicle body opening edge 1 such as a door D of an automobile, the cross section of the weather strip 2 is substantially omitted. The core material 5 embedded in the U-shaped rubber trim portion 3 is made of a plate-like hard synthetic resin and includes a spine portion 5a and a plurality of rib portions 5b, and the planar shape of each rib portion 5b is tapered. Is formed in a substantially triangular shape,
Moreover, the plate | board thickness of the front end side s of each rib part 5b of the said core material 5 is formed thinner than the base end side k.

以下、本発明の実施例を図に基づいて詳細に説明する。図４及び図５に示す自動車ドアＤの車体開口縁部１には、図２に示す如くウエザーストリップ２が装着される。ウエザーストリップ２は、車体開口縁部１のフランジ部１ａに挟着する断面略Ｕ字状のゴム製のトリム部３に、閉時のドアＤに弾接する中空シール部４を設けている。また、前記トリム部３には補強のための芯材５が埋設され、該芯材５は板状の硬質合成樹脂製で、図１に示す如く展開形状が背骨部５ａとその左右に配された複数の肋骨部５ｂとから成っている。これらの肋骨部５ｂは平面形状が、先細りの略三角形に形成されている。  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. A weather strip 2 is mounted on the vehicle body opening edge 1 of the automobile door D shown in FIGS. 4 and 5 as shown in FIG. The weather strip 2 is provided with a hollow seal portion 4 that elastically contacts the door D when closed on a rubber trim portion 3 having a substantially U-shaped cross section sandwiched between the flange portion 1a of the vehicle body opening edge portion 1. Further, a reinforcing core material 5 is embedded in the trim portion 3, and the core material 5 is made of a plate-like hard synthetic resin. As shown in FIG. 1, the developed shape is arranged on the spine portion 5a and on the left and right sides thereof. And a plurality of ribs 5b. These rib portions 5b are formed in a tapered substantially triangular shape in plan view.

また、図３及び図１に示す如く前記トリム部３に埋設された芯材５は、各肋骨部５ｂの先端側ｓの板厚が、基端ｋ側よりも薄肉に形成されている。図５に示す曲率ｒの小さい隅部Ｃに沿ってトリム部３が組み付けられ、図３に示す如く湾曲した際は、各肋骨部５ｂの先端ｓ側の間に存在するゴムＧの量が多いため、先端ｓ側が伸び易くそれだけ追従性が向上し組み付け易くなる。また、トリム部３の底部３ａの芯材５の背骨部５ａに接するゴムｇの量が少ないため、組み付け時の湾曲に際し縮み易くしわが寄り難い。  Further, as shown in FIGS. 3 and 1, the core member 5 embedded in the trim portion 3 is formed such that the thickness of the distal end side s of each rib portion 5b is thinner than the proximal end k side. When the trim portion 3 is assembled along the corner C having a small curvature r shown in FIG. 5 and is curved as shown in FIG. 3, the amount of rubber G existing between the distal ends s of the rib portions 5b is large. Therefore, the tip s side is easy to extend, and the followability is improved accordingly, and the assembly is easy. Further, since the amount of rubber g in contact with the spine 5a of the core member 5 at the bottom 3a of the trim part 3 is small, it is easy to shrink when it is assembled, and it is difficult to wrinkle.

前記芯材５の硬質合成樹脂は次のような材料より成る。例えば、２０〜４０重量％程度のタルクの補強材を添加したポリプロピレンや、ガラス繊維粉末等の無機系補強材を添加したポリプロピレンや、補強材を添加したＡＢＳ樹脂等である。従って、芯材５は一般の樹脂に比べ剛性が大きくトリム部３の組み付け時の把持力が高まると共に、従来の芯材の鉄材に比べ軽量でかつ錆を生じない。  The hard synthetic resin of the core material 5 is made of the following material. For example, polypropylene added with 20 to 40% by weight of talc reinforcing material, polypropylene added with inorganic reinforcing material such as glass fiber powder, ABS resin added with reinforcing material, and the like. Therefore, the core material 5 has higher rigidity than a general resin and has a higher gripping force when the trim portion 3 is assembled, and is lighter than a conventional core material and does not rust.

発明の効果The invention's effect

本発明の自動車用ウエザーストリップは、ゴム製のトリム部に埋設された芯材が、板状の硬質合成樹脂製で背骨部に複数配された肋骨部を、先細りの略三角状に形成したものであるから、トリム部において組み付け時の追従性の向上或いは軽量化、錆の発生の防止が図られるという特長がある。  The automobile weather strip of the present invention has a core portion embedded in a rubber trim portion made of a plate-like hard synthetic resin, and a plurality of rib portions arranged on the spine portion are formed in a tapered substantially triangular shape. Therefore, there is a feature that followability at the time of assembling can be improved or reduced in weight in the trim portion, and generation of rust can be prevented.

本発明の自動車用ウエザーストリップに設けられる芯材の平面図である。It is a top view of the core material provided in the weather strip for motor vehicles of this invention. 同上ウエザーストリップのトリム部に埋設された芯材の断面図である。It is sectional drawing of the core material embed | buried under the trim part of the weather strip same as the above. 同上トリム部の芯材の組み付け時の状態を示す斜視図である。It is a perspective view which shows the state at the time of the assembly | attachment of the core material of a trim part same as the above. 自動車のドア周りを示す側面図である。It is a side view which shows the surroundings of the door of a motor vehicle. ドアの車体開口縁部を示す側面図である。It is a side view which shows the vehicle body opening edge part of a door. 従来の自動車用ウエザーストリップに設けられる芯材の平面図である。It is a top view of the core material provided in the conventional weather strip for motor vehicles.

符号の説明Explanation of symbols

１ 車体開口縁部
２ ウエザーストリップ
３ トリム部
５ 芯材
５ａ 背骨部
５ｂ 肋骨部
ｓ 先端側
ｋ 基端側DESCRIPTION OF SYMBOLS 1 Car body opening edge 2 Weather strip 3 Trim part 5 Core material 5a Spine part 5b Rib part s Tip side k Base end side

Claims (1)

自動車のドア等の車体開口縁部に装着されるウエザーストリップにおいて、該ウエザーストリップの断面略Ｕ字状でゴム製のトリム部に埋設された芯材が、板状の硬質合成樹脂製で背骨部と複数の肋骨部とから成り、該各肋骨部の平面形状が先細りの略三角状に形成され、しかも前記芯材の各肋骨部の先端側の板厚が、基端側よりも薄肉に形成されたことを特徴とする自動車用ウエザーストリップ。 In a weather strip to be mounted on an opening edge of a vehicle body such as a door of an automobile, the core material embedded in a rubber trim portion with a substantially U-shaped cross section of the weather strip is made of a plate-like hard synthetic resin and is a spine portion And a plurality of rib portions, the planar shape of each rib portion is formed in a tapered substantially triangular shape , and the thickness of the distal end side of each rib portion of the core material is thinner than the proximal end side A weather strip for an automobile, characterized by being formed .
JP2003302093A 2003-07-22 2003-07-22 Weather strip for automobile Expired - Fee Related JP4246571B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003302093A JP4246571B2 (en) 2003-07-22 2003-07-22 Weather strip for automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003302093A JP4246571B2 (en) 2003-07-22 2003-07-22 Weather strip for automobile

Publications (2)

Publication Number Publication Date
JP2005041448A JP2005041448A (en) 2005-02-17
JP4246571B2 true JP4246571B2 (en) 2009-04-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003302093A Expired - Fee Related JP4246571B2 (en) 2003-07-22 2003-07-22 Weather strip for automobile

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009179078A (en) * 2008-01-29 2009-08-13 Toyoda Gosei Co Ltd Weatherstrip
JP2010143235A (en) * 2008-12-16 2010-07-01 Kinugawa Rubber Ind Co Ltd Glass run and method for manufacturing the same

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